SDL Wiki
(This is the legacy documentation for stable SDL2, the current stable version; SDL3 is the current development version.)

SDL_CreateMutex

Create a new 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.

Remarks

All newly-created mutexes begin in the _unlocked_ state.

Calls to SDL_LockMutex() will not return while the mutex is locked by another thread. See SDL_TryLockMutex() to attempt to lock without blocking.

SDL mutexes are reentrant.

Version

This function is available since SDL 2.0.0.

SDL_DestroyMutex
SDL_LockMutex
SDL_TryLockMutex
SDL_UnlockMutex

CategoryAPI


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