SDL_CreateCond
Use this function to create a condition variable.
Syntax
SDL_cond* SDL_CreateCond(void)
Return Value
Returns a new condition variable or NULL on failure; call SDL_GetError() for more information.
Code Examples
Typical use of condition variables:
SDL_bool condition = SDL_FALSE;
SDL_mutex *lock;
SDL_cond *cond;
lock = SDL_CreateMutex();
cond = SDL_CreateCond();
.
.
Thread A:
SDL_LockMutex(lock);
while (!condition) {
SDL_CondWait(cond, lock);
}
SDL_UnlockMutex(lock);
Thread B:
SDL_LockMutex(lock);
...
condition = SDL_TRUE;
...
SDL_CondSignal(cond);
SDL_UnlockMutex(lock);
.
.
SDL_DestroyCond(cond);
SDL_DestroyMutex(lock);
Remarks
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