SDL_TryWaitSemaphore3
See if a semaphore has a positive value and decrement it if it does.
Usage
#include "SDL3/SDL.h"
bool SDL_TryWaitSemaphore(SDL_Semaphore *sem);
Header file
Defined in SDL3/SDL_mutex.h
Overview
This function checks to see if the semaphore pointed to by sem has a positive value and atomically decrements the semaphore value if it does. If the semaphore doesn't have a positive value, the function immediately returns false.
Function parameters
- sem
-
the semaphore to wait on.
Return value
Returns true if the wait succeeds, false if the wait would block.