Fixed bug 2076 - OpenGL doesn't work with --disable-threads
authorSam Lantinga <slouken@libsdl.org>
Thu, 05 Sep 2013 07:15:26 -0700
changeset 7730 e928464b98ec
parent 7729 384d5ba7ee44
child 7731 9cbe58c01e31
Fixed bug 2076 - OpenGL doesn't work with --disable-threads stepik-777 Thread local storage is used to store current window and current opengl context. OpenGL worked before this changeset: 7596 (45e5c263c096)
src/thread/SDL_systhread.h
src/thread/SDL_thread.c
src/thread/SDL_thread_c.h
--- a/src/thread/SDL_systhread.h	Thu Sep 05 07:02:27 2013 -0700
+++ b/src/thread/SDL_systhread.h	Thu Sep 05 07:15:26 2013 -0700
@@ -26,6 +26,7 @@
 #define _SDL_systhread_h
 
 #include "SDL_thread.h"
+#include "SDL_thread_c.h"
 
 /* This function creates a thread, passing args to SDL_RunThread(),
    saves a system-dependent thread id in thread->id, and returns 0
--- a/src/thread/SDL_thread.c	Thu Sep 05 07:02:27 2013 -0700
+++ b/src/thread/SDL_thread.c	Thu Sep 05 07:15:26 2013 -0700
@@ -125,6 +125,7 @@
     SDL_TLSEntry *entry;
     SDL_TLSData *storage = NULL;
 
+#if !SDL_THREADS_DISABLED
     if (!SDL_generic_TLS_mutex) {
         static SDL_SpinLock tls_lock;
         SDL_AtomicLock(&tls_lock);
@@ -139,6 +140,7 @@
         }
         SDL_AtomicUnlock(&tls_lock);
     }
+#endif /* SDL_THREADS_DISABLED */
 
     SDL_MemoryBarrierAcquire();
     SDL_LockMutex(SDL_generic_TLS_mutex);
@@ -148,7 +150,9 @@
             break;
         }
     }
+#if !SDL_THREADS_DISABLED
     SDL_UnlockMutex(SDL_generic_TLS_mutex);
+#endif
 
     return storage;
 }
--- a/src/thread/SDL_thread_c.h	Thu Sep 05 07:02:27 2013 -0700
+++ b/src/thread/SDL_thread_c.h	Thu Sep 05 07:15:26 2013 -0700
@@ -23,6 +23,8 @@
 #ifndef _SDL_thread_c_h
 #define _SDL_thread_c_h
 
+#include "SDL_thread.h"
+
 /* Need the definitions of SYS_ThreadHandle */
 #if SDL_THREADS_DISABLED
 #include "generic/SDL_systhread_c.h"