###### (This is the legacy documentation for stable SDL2, the current stable version; [SDL3](https://wiki.libsdl.org/SDL3/) is the current development version.) # SDL_SemValue Get the current value of a semaphore. ## Header File Defined in [SDL_mutex.h](https://github.com/libsdl-org/SDL/blob/SDL2/include/SDL_mutex.h) ## Syntax ```c Uint32 SDL_SemValue(SDL_sem * sem); ``` ## Function Parameters | | | | ----------- | ---------------------- | | **sem** | the semaphore to query | ## Return Value Returns the current value of the semaphore. ## Version This function is available since SDL 2.0.0. ## See Also * [SDL_CreateSemaphore](SDL_CreateSemaphore) ---- [CategoryAPI](CategoryAPI), [CategoryAPIFunction](CategoryAPIFunction)