DRAFT |
SDL_CreateMutex
Use this function to create a new mutex. The mutex is returned as an initialized and unlocked mutex.
Syntax
SDL_mutex* SDL_CreateMutex(void)
Return Value
Returns the initialized and unlocked mutex. This is a pointer to SDL's internal mutex data structure.
On error, NULL is returned. To retrieve error description, call SDL_GetError();
Code Examples
SDL_mutex *mut;
mut=SDL_CreateMutex();
.
.
if(SDL_mutexP(mut)==-1){
fprintf(stderr, "Couldn't lock mutex\n");
exit(-1);
}
.
/* Do stuff while mutex is locked */
.
.
if(SDL_mutexV(mut)==-1){
fprintf(stderr, "Couldn't unlock mutex\n");
exit(-1);
}
SDL_DestroyMutex(mut);
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Remarks
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