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

SDL_CreateMutex

Create a new mutex.

Header File

Defined in SDL_mutex.h

Syntax

SDL_mutex* SDL_CreateMutex(void);

Return Value

(SDL_mutex *) 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.

See Also

• SDL_DestroyMutex
• SDL_LockMutex
• SDL_TryLockMutex
• SDL_UnlockMutex

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CategoryAPI, CategoryAPIFunction, CategoryMutex

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