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SDL_TryLockMutex

Use this function to try to lock a mutex without blocking.

Syntax

int SDL_TryLockMutex(SDL_mutex* mutex)

Function Parameters

mutex

the mutex to try to lock

Return Value

Returns return 0, SDL_MUTEX_TIMEDOUT, or -1 on error; call SDL_GetError() for more information.

Code Examples

int status;
SDL_mutex *mutex;

mutex = SDL_CreateMutex();
if (!mutex) {
  fprintf(stderr, "Couldn't create mutex\n");
  return;
}

status = SDL_TryLockMutex(mutex);

if (status == 0) {
  printf("Locked mutex\n");
  SDL_UnlockMutex(mutex);
} else if (status == SDL_MUTEX_TIMEDOUT) {
  /* Mutex not available for locking right now */
} else {
  fprintf(stderr, "Couldn't lock mutex\n");
}

SDL_DestroyMutex(mutex);

Remarks

You can add useful comments here


CategoryAPI, CategoryMutex

None: SDL_TryLockMutex (last edited 2015-04-26 19:00:12 by PhilippWiesemann)

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