SDL_WaitSemaphore - Man Page

Defined in SDL3/SDL_mutex.h

#include "SDL3/SDL.h"

void SDL_WaitSemaphore(SDL_Semaphore *sem);

This function suspends the calling thread until the semaphore pointed to by sem has a positive value, and then atomically decrement the semaphore value.

This function is the equivalent of calling

SDL_WaitSemaphoreTimeout () with a time length of -1.

sem

the semaphore wait on.

This function is available since SDL 3.2.0.

·(3), SDL_SignalSemaphore(3), ·(3), SDL_TryWaitSemaphore(3), ·(3), SDL_WaitSemaphoreTimeout(3)

SDL_CreateSemaphore(3), SDL_SignalSemaphore(3), SDL_TryWaitSemaphore(3), SDL_WaitSemaphoreTimeout(3).