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windows: created threads' stack sizes should be reserved, not committed.

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This commit is contained in:
Ryan C. Gordon 2016-04-12 18:12:04 -04:00
parent 9b4db2b8aa
commit 9b9ca093c7
1 changed files with 3 additions and 2 deletions
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5
src/thread/windows/SDL_systhread.c
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@ -121,6 +121,7 @@ SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
#endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */ #endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */
pThreadStartParms pThreadParms = pThreadStartParms pThreadParms =
(pThreadStartParms) SDL_malloc(sizeof(tThreadStartParms)); (pThreadStartParms) SDL_malloc(sizeof(tThreadStartParms));
const DWORD flags = thread->stacksize ? STACK_SIZE_PARAM_IS_A_RESERVATION : 0;
if (!pThreadParms) { if (!pThreadParms) {
return SDL_OutOfMemory(); return SDL_OutOfMemory();
} }
@ -135,12 +136,12 @@ SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
thread->handle = (SYS_ThreadHandle) thread->handle = (SYS_ThreadHandle)
((size_t) pfnBeginThread(NULL, (unsigned int) thread->stacksize, ((size_t) pfnBeginThread(NULL, (unsigned int) thread->stacksize,
RunThreadViaBeginThreadEx, RunThreadViaBeginThreadEx,
pThreadParms, 0, &threadid)); pThreadParms, flags, &threadid));
} else { } else {
DWORD threadid = 0; DWORD threadid = 0;
thread->handle = CreateThread(NULL, thread->stacksize, thread->handle = CreateThread(NULL, thread->stacksize,
RunThreadViaCreateThread, RunThreadViaCreateThread,
pThreadParms, 0, &threadid); pThreadParms, flags, &threadid);
} }
if (thread->handle == NULL) { if (thread->handle == NULL) {
return SDL_SetError("Not enough resources to create thread"); return SDL_SetError("Not enough resources to create thread");