###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # SDL_DestroySemaphore Destroy a semaphore. ## Syntax ```c void SDL_DestroySemaphore(SDL_sem * sem); ``` ## Function Parameters | | | | ----------- | ------------------------ | | **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 2.0.0. ## Related Functions * [SDL_CreateSemaphore](SDL_CreateSemaphore) * [SDL_SemPost](SDL_SemPost) * [SDL_SemTryWait](SDL_SemTryWait) * [SDL_SemValue](SDL_SemValue) * [SDL_SemWait](SDL_SemWait) * [SDL_SemWaitTimeout](SDL_SemWaitTimeout) ---- [CategoryAPI](CategoryAPI)