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thread: Put all important SDL_CreateThread internal data into SDL_Thread.

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This avoids the need to malloc something extra, use a semaphore, etc, and
fixes Emscripten with pthreads support, which might not spin up a web worker
until after SDL_CreateThread returns and thus can't wait on a semaphore at
this point in any case.

Fixes Bugzilla #5064.
This commit is contained in:
Ryan C. Gordon 2020-03-26 22:14:59 -04:00
parent abdc5cbf24
commit 46bb47cf04
8 changed files with 44 additions and 97 deletions
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4
src/thread/generic/SDL_systhread.c
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@ -27,12 +27,12 @@
#ifdef SDL_PASSED_BEGINTHREAD_ENDTHREAD
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args,
SDL_SYS_CreateThread(SDL_Thread * thread,
pfnSDL_CurrentBeginThread pfnBeginThread,
pfnSDL_CurrentEndThread pfnEndThread)
#else
int
SDL_SYS_CreateThread(SDL_Thread * thread, void *args)
SDL_SYS_CreateThread(SDL_Thread * thread)
#endif /* SDL_PASSED_BEGINTHREAD_ENDTHREAD */
{
return SDL_SetError("Threads are not supported on this platform");