###### (This is the documentation for SDL3, which is the current stable version. [SDL2](https://wiki.libsdl.org/SDL2/) was the previous version!) # SDL_DestroySemaphore Destroy a semaphore. ## Header File Defined in [](https://github.com/libsdl-org/SDL/blob/main/include/SDL3/SDL_mutex.h) ## Syntax ```c void SDL_DestroySemaphore(SDL_Semaphore *sem); ``` ## Function Parameters | | | | | -------------------------------- | ------- | ------------------------- | | [SDL_Semaphore](SDL_Semaphore) * | **sem** | the semaphore to destroy. | ## Remarks It is not safe to destroy a semaphore if there are threads currently waiting on it. ## Version This function is available since SDL 3.1.3. ## See Also - [SDL_CreateSemaphore](SDL_CreateSemaphore) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction), [CategoryMutex](CategoryMutex)