author | Ryan C. Gordon <icculus@icculus.org> |
Wed, 23 Nov 2005 07:29:56 +0000 | |
changeset 1190 | 173c063d4f55 |
parent 930 | 02759105b989 |
child 1312 | c9b51268668f |
permissions | -rw-r--r-- |
0 | 1 |
/* |
2 |
SDL - Simple DirectMedia Layer |
|
769
b8d311d90021
Updated copyright information for 2004 (Happy New Year!)
Sam Lantinga <slouken@libsdl.org>
parents:
337
diff
changeset
|
3 |
Copyright (C) 1997-2004 Sam Lantinga |
0 | 4 |
|
5 |
This library is free software; you can redistribute it and/or |
|
6 |
modify it under the terms of the GNU Library General Public |
|
7 |
License as published by the Free Software Foundation; either |
|
8 |
version 2 of the License, or (at your option) any later version. |
|
9 |
||
10 |
This library is distributed in the hope that it will be useful, |
|
11 |
but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
12 |
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
|
13 |
Library General Public License for more details. |
|
14 |
||
15 |
You should have received a copy of the GNU Library General Public |
|
16 |
License along with this library; if not, write to the Free |
|
17 |
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
|
18 |
||
19 |
Sam Lantinga |
|
251
b8688cfdc232
Updated the headers with the correct e-mail address
Sam Lantinga <slouken@libsdl.org>
parents:
0
diff
changeset
|
20 |
slouken@libsdl.org |
0 | 21 |
*/ |
22 |
||
23 |
#ifdef SAVE_RCSID |
|
24 |
static char rcsid = |
|
25 |
"@(#) $Id$"; |
|
26 |
#endif |
|
27 |
||
28 |
#ifndef _SDL_thread_h |
|
29 |
#define _SDL_thread_h |
|
30 |
||
31 |
/* Header for the SDL thread management routines |
|
32 |
||
33 |
These are independent of the other SDL routines. |
|
34 |
*/ |
|
35 |
||
36 |
#include "SDL_main.h" |
|
37 |
#include "SDL_types.h" |
|
38 |
||
39 |
/* Thread synchronization primitives */ |
|
40 |
#include "SDL_mutex.h" |
|
41 |
||
42 |
#include "begin_code.h" |
|
43 |
/* Set up for C function definitions, even when using C++ */ |
|
44 |
#ifdef __cplusplus |
|
45 |
extern "C" { |
|
46 |
#endif |
|
47 |
||
48 |
/* The SDL thread structure, defined in SDL_thread.c */ |
|
49 |
struct SDL_Thread; |
|
50 |
typedef struct SDL_Thread SDL_Thread; |
|
51 |
||
52 |
/* Create a thread */ |
|
1190 | 53 |
#ifdef __OS2__ |
54 |
/* |
|
55 |
We compile SDL into a DLL on OS/2. This means, that it's the DLL which |
|
56 |
creates a new thread for the calling process with the SDL_CreateThread() |
|
57 |
API. There is a problem with this, that only the RTL of the SDL.DLL will |
|
58 |
be initialized for those threads, and not the RTL of the calling application! |
|
59 |
To solve this, we make a little hack here. |
|
60 |
We'll always use the caller's _beginthread() and _endthread() APIs to |
|
61 |
start a new thread. This way, it it's the SDL.DLL which uses this API, |
|
62 |
then the RTL of SDL.DLL will be used to create the new thread, and if it's |
|
63 |
the application, then the RTL of the application will be used. |
|
64 |
So, in short: |
|
65 |
Always use the _beginthread() and _endthread() of the calling runtime library! |
|
66 |
*/ |
|
67 |
||
68 |
#ifdef __WATCOMC__ |
|
69 |
#include <process.h> // This has _beginthread() and _endthread() defined! |
|
70 |
#endif |
|
71 |
#ifdef __EMX__ |
|
72 |
#include <stdlib.h> // This has _beginthread() and _endthread() defined, if -Zmt flag is used! |
|
73 |
#endif |
|
74 |
||
75 |
typedef Uint32 SDLCALL (*pfnSDL_CurrentBeginThread)(void (*pfnThreadFn)(void *), Uint32 uiStackSize, void *pParam); |
|
76 |
typedef void SDLCALL (*pfnSDL_CurrentEndThread)(void); |
|
77 |
||
78 |
extern DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread_Core(int (*fn)(void *), void *data, pfnSDL_CurrentBeginThread pfnBeginThread, pfnSDL_CurrentEndThread pfnEndThread); |
|
79 |
||
80 |
// Disable warnings about unreferenced symbol! |
|
81 |
#pragma disable_message (202) |
|
82 |
static Uint32 SDLCALL SDL_CurrentBeginThread(void (*pfnThreadFn)(void *), Uint32 uiStackSize, void *pParam) |
|
83 |
{ |
|
84 |
return _beginthread(pfnThreadFn, NULL, uiStackSize, pParam); |
|
85 |
} |
|
86 |
||
87 |
static void SDLCALL SDL_CurrentEndThread(void) |
|
88 |
{ |
|
89 |
_endthread(); |
|
90 |
} |
|
91 |
||
92 |
#define SDL_CreateThread(fn, data) SDL_CreateThread_Core(fn, data, SDL_CurrentBeginThread, SDL_CurrentEndThread) |
|
93 |
||
94 |
#else |
|
930
02759105b989
Date: Fri, 20 Aug 2004 08:31:20 +0200
Sam Lantinga <slouken@libsdl.org>
parents:
769
diff
changeset
|
95 |
extern DECLSPEC SDL_Thread * SDLCALL SDL_CreateThread(int (SDLCALL *fn)(void *), void *data); |
1190 | 96 |
#endif |
0 | 97 |
|
98 |
/* Get the 32-bit thread identifier for the current thread */ |
|
337
9154ec9ca3d2
Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
99 |
extern DECLSPEC Uint32 SDLCALL SDL_ThreadID(void); |
0 | 100 |
|
101 |
/* Get the 32-bit thread identifier for the specified thread, |
|
102 |
equivalent to SDL_ThreadID() if the specified thread is NULL. |
|
103 |
*/ |
|
337
9154ec9ca3d2
Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
104 |
extern DECLSPEC Uint32 SDLCALL SDL_GetThreadID(SDL_Thread *thread); |
0 | 105 |
|
106 |
/* Wait for a thread to finish. |
|
107 |
The return code for the thread function is placed in the area |
|
108 |
pointed to by 'status', if 'status' is not NULL. |
|
109 |
*/ |
|
337
9154ec9ca3d2
Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
110 |
extern DECLSPEC void SDLCALL SDL_WaitThread(SDL_Thread *thread, int *status); |
0 | 111 |
|
112 |
/* Forcefully kill a thread without worrying about its state */ |
|
337
9154ec9ca3d2
Explicitly specify the SDL API calling convention (C by default)
Sam Lantinga <slouken@libsdl.org>
parents:
297
diff
changeset
|
113 |
extern DECLSPEC void SDLCALL SDL_KillThread(SDL_Thread *thread); |
0 | 114 |
|
115 |
||
116 |
/* Ends C function definitions when using C++ */ |
|
117 |
#ifdef __cplusplus |
|
118 |
} |
|
119 |
#endif |
|
120 |
#include "close_code.h" |
|
121 |
||
122 |
#endif /* _SDL_thread_h */ |