author  Ryan C. Gordon <icculus@icculus.org> 
Wed, 06 Jan 2010 07:26:49 +0000  
changeset 3610  3c1b39d0d1a6 
parent 3308  0e000afe3dc0 
child 3697  f7b03b6838cb 
permissions  rwrr 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

1 
/* 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

2 
SDL  Simple DirectMedia Layer 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

3 
Copyright (C) 19972009 Sam Lantinga 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

4 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

5 
This library is free software; you can redistribute it and/or 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

6 
modify it under the terms of the GNU Lesser General Public 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

7 
License as published by the Free Software Foundation; either 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

8 
version 2.1 of the License, or (at your option) any later version. 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

9 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

10 
This library is distributed in the hope that it will be useful, 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

11 
but WITHOUT ANY WARRANTY; without even the implied warranty of 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

12 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

13 
Lesser General Public License for more details. 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

14 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

15 
You should have received a copy of the GNU Lesser General Public 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

16 
License along with this library; if not, write to the Free Software 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

17 
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 021101301 USA 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

18 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

19 
Sam Lantinga 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

20 
slouken@libsdl.org 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

21 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

22 
Contributed by Bob Pendleton, bob@pendleton.com 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

23 
*/ 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

24 

3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

25 
#include "SDL_stdinc.h" 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

26 
#include "SDL_atomic.h" 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

27 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

28 
#include "SDL_error.h" 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

29 

3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

30 
/* 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

31 
This file provides 32, and 64 bit atomic operations. If the 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

32 
operations are provided by the native hardware and operating system 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

33 
they are used. If they are not then the operations are emulated 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

34 
using the SDL spin lock operations. If spin lock can not be 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

35 
implemented then these functions must fail. 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

36 
*/ 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

37 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

38 
/* 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

39 
DUMMY VERSION. 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

40 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

41 
This version of the code assumes there is no support for atomic 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

42 
operations. Therefore, every function sets the SDL error 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

43 
message. Oddly enough, if you only have one thread then this 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

44 
version actuallys works. 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

45 
*/ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

46 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

47 
/* 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

48 
Native spinlock routines. Because this is the dummy implementation 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

49 
these will always call SDL_SetError() and do nothing. 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

50 
*/ 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

51 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

52 
void 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

53 
SDL_AtomicLock(SDL_SpinLock *lock) 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

54 
{ 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

55 
SDL_SetError("SDL_atomic.c: is not implemented on this platform"); 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

56 
} 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

57 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

58 
void 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

59 
SDL_AtomicUnlock(SDL_SpinLock *lock) 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

60 
{ 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

61 
SDL_SetError("SDL_atomic.c: is not implemented on this platform"); 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

62 
} 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

63 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

64 
/* 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

65 
Note that platform specific versions can be built from this version 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

66 
by changing the #undefs to #defines and adding platform specific 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

67 
code. 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

68 
*/ 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

69 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

70 
#undef nativeTestThenSet32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

71 
#undef nativeClear32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

72 
#undef nativeFetchThenIncrement32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

73 
#undef nativeFetchThenDecrement32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

74 
#undef nativeFetchThenAdd32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

75 
#undef nativeFetchThenSubtract32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

76 
#undef nativeIncrementThenFetch32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

77 
#undef nativeDecrementThenFetch32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

78 
#undef nativeAddThenFetch32 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

79 
#undef nativeSubtractThenFetch32 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

80 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

81 
#undef nativeTestThenSet64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

82 
#undef nativeClear64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

83 
#undef nativeFetchThenIncrement64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

84 
#undef nativeFetchThenDecrement64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

85 
#undef nativeFetchThenAdd64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

86 
#undef nativeFetchThenSubtract64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

87 
#undef nativeIncrementThenFetch64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

88 
#undef nativeDecrementThenFetch64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

89 
#undef nativeAddThenFetch64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

90 
#undef nativeSubtractThenFetch64 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

91 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

92 
/* 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

93 
If any of the operations are not provided then we must emulate some 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

94 
of them. That means we need a nice implementation of spin locks 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

95 
that avoids the "one big lock" problem. We use a vector of spin 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

96 
locks and pick which one to use based on the address of the operand 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

97 
of the function. 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

98 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

99 
To generate the index of the lock we first shift by 3 bits to get 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

100 
rid on the zero bits that result from 32 and 64 bit allignment of 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

101 
data. We then mask off all but 5 bits and use those 5 bits as an 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

102 
index into the table. 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

103 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

104 
Picking the lock this way insures that accesses to the same data at 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

105 
the same time will go to the same lock. OTOH, accesses to different 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

106 
data have only a 1/32 chance of hitting the same lock. That should 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

107 
pretty much eliminate the chances of several atomic operations on 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

108 
different data from waiting on the same "big lock". If it isn't 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

109 
then the table of locks can be expanded to a new size so long as 
3308
0e000afe3dc0
fixed a spelling error in the documentation.
Bob Pendleton <bob@pendleton.com>
parents:
3261
diff
changeset

110 
the new size is a power of two. 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

111 
*/ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

112 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

113 
static SDL_SpinLock locks[32] = { 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

114 
0, 0, 0, 0, 0, 0, 0, 0, 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

115 
0, 0, 0, 0, 0, 0, 0, 0, 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

116 
0, 0, 0, 0, 0, 0, 0, 0, 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

117 
0, 0, 0, 0, 0, 0, 0, 0, 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

118 
}; 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

119 

72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

120 
static __inline__ void 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

121 
privateWaitLock(volatile void *ptr) 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

122 
{ 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

123 
#if SIZEOF_VOIDP == 4 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

124 
Uint32 index = ((((Uint32)ptr) >> 3) & 0x1f); 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

125 
#elif SIZEOF_VOIDP == 8 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

126 
Uint64 index = ((((Uint64)ptr) >> 3) & 0x1f); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

127 
#endif 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

128 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

129 
SDL_AtomicLock(&locks[index]); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

130 
} 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

131 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

132 
static __inline__ void 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

133 
privateUnlock(volatile void *ptr) 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

134 
{ 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

135 
#if SIZEOF_VOIDP == 4 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

136 
Uint32 index = ((((Uint32)ptr) >> 3) & 0x1f); 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

137 
#elif SIZEOF_VOIDP == 8 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

138 
Uint64 index = ((((Uint64)ptr) >> 3) & 0x1f); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

139 
#endif 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

140 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

141 
SDL_AtomicUnlock(&locks[index]); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

142 
} 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

143 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

144 
/* 32 bit atomic operations */ 
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

145 

3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

146 
SDL_bool 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

147 
SDL_AtomicTestThenSet32(volatile Uint32 * ptr) 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

148 
{ 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

149 
#ifdef nativeTestThenSet32 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

150 
#else 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

151 
SDL_bool result = SDL_FALSE; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

152 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

153 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

154 
result = (*ptr == 0); 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

155 
if (result) 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

156 
{ 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

157 
*ptr = 1; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

158 
} 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

159 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

160 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

161 
return result; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

162 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

163 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

164 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

165 
void 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

166 
SDL_AtomicClear32(volatile Uint32 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

167 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

168 
#ifdef nativeClear32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

169 
#else 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

170 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

171 
*ptr = 0; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

172 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

173 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

174 
return; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

175 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

176 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

177 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

178 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

179 
SDL_AtomicFetchThenIncrement32(volatile Uint32 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

180 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

181 
#ifdef nativeFetchThenIncrement32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

182 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

183 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

184 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

185 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

186 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

187 
(*ptr)+= 1; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

188 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

189 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

190 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

191 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

192 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

193 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

194 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

195 
SDL_AtomicFetchThenDecrement32(volatile Uint32 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

196 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

197 
#ifdef nativeFetchThenDecrement32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

198 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

199 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

200 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

201 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

202 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

203 
(*ptr) = 1; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

204 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

205 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

206 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

207 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

208 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

209 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

210 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

211 
SDL_AtomicFetchThenAdd32(volatile Uint32 * ptr, Uint32 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

212 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

213 
#ifdef nativeFetchThenAdd32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

214 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

215 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

216 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

217 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

218 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

219 
(*ptr)+= value; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

220 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

221 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

222 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

223 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

224 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

225 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

226 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

227 
SDL_AtomicFetchThenSubtract32(volatile Uint32 * ptr, Uint32 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

228 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

229 
#ifdef nativeFetchThenSubtract32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

230 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

231 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

232 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

233 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

234 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

235 
(*ptr)= value; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

236 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

237 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

238 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

239 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

240 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

241 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

242 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

243 
SDL_AtomicIncrementThenFetch32(volatile Uint32 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

244 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

245 
#ifdef nativeIncrementThenFetch32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

246 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

247 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

248 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

249 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

250 
(*ptr)+= 1; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

251 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

252 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

253 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

254 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

255 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

256 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

257 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

258 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

259 
SDL_AtomicDecrementThenFetch32(volatile Uint32 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

260 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

261 
#ifdef nativeDecrementThenFetch32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

262 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

263 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

264 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

265 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

266 
(*ptr)= 1; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

267 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

268 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

269 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

270 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

271 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

272 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

273 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

274 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

275 
SDL_AtomicAddThenFetch32(volatile Uint32 * ptr, Uint32 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

276 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

277 
#ifdef nativeAddThenFetch32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

278 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

279 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

280 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

281 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

282 
(*ptr)+= value; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

283 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

284 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

285 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

286 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

287 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

288 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

289 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

290 
Uint32 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

291 
SDL_AtomicSubtractThenFetch32(volatile Uint32 * ptr, Uint32 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

292 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

293 
#ifdef nativeSubtractThenFetch32 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

294 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

295 
Uint32 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

296 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

297 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

298 
(*ptr)= value; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

299 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

300 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

301 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

302 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

303 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

304 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

305 

3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

306 
/* 64 bit atomic operations */ 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

307 
#ifdef SDL_HAS_64BIT_TYPE 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

308 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

309 
SDL_bool 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

310 
SDL_AtomicTestThenSet64(volatile Uint64 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

311 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

312 
#ifdef nativeTestThenSet64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

313 
#else 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

314 
SDL_bool result = SDL_FALSE; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

315 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

316 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

317 
result = (*ptr == 0); 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

318 
if (result) 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

319 
{ 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

320 
*ptr = 1; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

321 
} 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

322 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

323 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

324 
return result; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

325 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

326 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

327 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

328 
void 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

329 
SDL_AtomicClear64(volatile Uint64 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

330 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

331 
#ifdef nativeClear64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

332 
#else 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

333 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

334 
*ptr = 0; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

335 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

336 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

337 
return; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

338 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

339 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

340 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

341 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

342 
SDL_AtomicFetchThenIncrement64(volatile Uint64 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

343 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

344 
#ifdef nativeFetchThenIncrement64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

345 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

346 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

347 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

348 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

349 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

350 
(*ptr)+= 1; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

351 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

352 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

353 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

354 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

355 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

356 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

357 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

358 
SDL_AtomicFetchThenDecrement64(volatile Uint64 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

359 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

360 
#ifdef nativeFetchThenDecrement64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

361 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

362 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

363 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

364 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

365 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

366 
(*ptr) = 1; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

367 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

368 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

369 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

370 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

371 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

372 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

373 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

374 
SDL_AtomicFetchThenAdd64(volatile Uint64 * ptr, Uint64 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

375 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

376 
#ifdef nativeFetchThenAdd64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

377 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

378 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

379 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

380 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

381 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

382 
(*ptr)+= value; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

383 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

384 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

385 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

386 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

387 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

388 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

389 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

390 
SDL_AtomicFetchThenSubtract64(volatile Uint64 * ptr, Uint64 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

391 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

392 
#ifdef nativeFetchThenSubtract64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

393 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

394 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

395 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

396 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

397 
tmp = *ptr; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

398 
(*ptr)= value; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

399 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

400 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

401 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

402 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

403 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

404 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

405 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

406 
SDL_AtomicIncrementThenFetch64(volatile Uint64 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

407 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

408 
#ifdef nativeIncrementThenFetch64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

409 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

410 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

411 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

412 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

413 
(*ptr)+= 1; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

414 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

415 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

416 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

417 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

418 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

419 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

420 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

421 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

422 
SDL_AtomicDecrementThenFetch64(volatile Uint64 * ptr) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

423 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

424 
#ifdef nativeDecrementThenFetch64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

425 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

426 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

427 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

428 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

429 
(*ptr)= 1; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

430 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

431 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

432 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

433 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

434 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

435 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

436 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

437 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

438 
SDL_AtomicAddThenFetch64(volatile Uint64 * ptr, Uint64 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

439 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

440 
#ifdef nativeAddThenFetch64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

441 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

442 
Uint64 tmp = 0; 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

443 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

444 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

445 
(*ptr)+= value; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

446 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

447 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

448 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

449 
return tmp; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

450 
#endif 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

451 
} 
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

452 

3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

453 
Uint64 
3236
d7497988b677
I forgot to copy the dummy version to macosx.
Bob Pendleton <bob@pendleton.com>
parents:
3212
diff
changeset

454 
SDL_AtomicSubtractThenFetch64(volatile Uint64 * ptr, Uint64 value) 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

455 
{ 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

456 
#ifdef nativeSubtractThenFetch64 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

457 
#else 
3212
759032c318d8
This is a cosmetic fix, I found a stupid typo
Bob Pendleton <bob@pendleton.com>
parents:
3202
diff
changeset

458 
Uint64 tmp = 0; 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

459 

3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

460 
privateWaitLock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

461 
(*ptr)= value; 
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

462 
tmp = *ptr; 
3261
72b542f34739
The new, cleaner, version of the atomic operations. The dummy code is what you should start working with to port atomic ops.
Bob Pendleton <bob@pendleton.com>
parents:
3236
diff
changeset

463 
privateUnlock(ptr); 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

464 

3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

465 
return tmp; 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

466 
#endif 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

467 
} 
3199
3e1bf2b8bd81
This check in updates SDL_atomic.h to reflect the new set of atomic operations in 32 and 64 bit form.
Bob Pendleton <bob@pendleton.com>
parents:
diff
changeset

468 
#endif 
3202
3aa519a5c676
I've made so many changes I don't dare continue until I check the current stuff in.
Bob Pendleton <bob@pendleton.com>
parents:
3199
diff
changeset

469 