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thread: Locking mutexes and rwlocks are now void functions.

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Almost nothing checks these return values, and there's no reason a valid
lock should fail to operate. The cases where a lock isn't valid (it's a
bogus pointer, it was previously destroyed, a thread is unlocking a lock it
doesn't own, etc) are undefined behavior and always were, and should be
treated as an application bug.

Reference Issue #8096.
This commit is contained in:
Ryan C. Gordon
2023-10-25 10:00:26 -04:00
parent 082ef41566
commit 899eb0d042
21 changed files with 496 additions and 746 deletions
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10
src/dynapi/SDL_dynapi_procs.h
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@@ -519,9 +519,9 @@ SDL_DYNAPI_PROC(void*,SDL_LoadFile_RW,(SDL_RWops *a, size_t *b, SDL_bool c),(a,b
SDL_DYNAPI_PROC(SDL_FunctionPointer,SDL_LoadFunction,(void *a, const char *b),(a,b),return)
SDL_DYNAPI_PROC(void*,SDL_LoadObject,(const char *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_LockJoysticks,(void),(),)
SDL_DYNAPI_PROC(int,SDL_LockMutex,(SDL_Mutex *a),(a),return)
SDL_DYNAPI_PROC(int,SDL_LockRWLockForReading,(SDL_RWLock *a),(a),return)
SDL_DYNAPI_PROC(int,SDL_LockRWLockForWriting,(SDL_RWLock *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_LockMutex,(SDL_Mutex *a),(a),)
SDL_DYNAPI_PROC(void,SDL_LockRWLockForReading,(SDL_RWLock *a),(a),)
SDL_DYNAPI_PROC(void,SDL_LockRWLockForWriting,(SDL_RWLock *a),(a),)
SDL_DYNAPI_PROC(int,SDL_LockSurface,(SDL_Surface *a),(a),return)
SDL_DYNAPI_PROC(int,SDL_LockTexture,(SDL_Texture *a, const SDL_Rect *b, void **c, int *d),(a,b,c,d),return)
SDL_DYNAPI_PROC(int,SDL_LockTextureToSurface,(SDL_Texture *a, const SDL_Rect *b, SDL_Surface **c),(a,b,c),return)
@@ -706,8 +706,8 @@ SDL_DYNAPI_PROC(int,SDL_TryLockRWLockForWriting,(SDL_RWLock *a),(a),return)
SDL_DYNAPI_PROC(int,SDL_TryWaitSemaphore,(SDL_Semaphore *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_UnloadObject,(void *a),(a),)
SDL_DYNAPI_PROC(void,SDL_UnlockJoysticks,(void),(),)
SDL_DYNAPI_PROC(int,SDL_UnlockMutex,(SDL_Mutex *a),(a),return)
SDL_DYNAPI_PROC(int,SDL_UnlockRWLock,(SDL_RWLock *a),(a),return)
SDL_DYNAPI_PROC(void,SDL_UnlockMutex,(SDL_Mutex *a),(a),)
SDL_DYNAPI_PROC(void,SDL_UnlockRWLock,(SDL_RWLock *a),(a),)
SDL_DYNAPI_PROC(void,SDL_UnlockSurface,(SDL_Surface *a),(a),)
SDL_DYNAPI_PROC(void,SDL_UnlockTexture,(SDL_Texture *a),(a),)
SDL_DYNAPI_PROC(void,SDL_UpdateGamepads,(void),(),)