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 or NULL on failure; call SDL_GetError() for more information.

_{This is a pointer to SDL's internal mutex data structure.}

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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Related Functions

• SDL_DestroyMutex *

• SDL_mutexP *

• SDL_mutexV *

CategoryAPI, CategoryMutex