Provided by: libsdl3-doc_3.2.8+ds-1_all 
      
    
NAME
       SDL_WaitSemaphore - Wait until a semaphore has a positive value and then decrements it.
HEADER FILE
       Defined in SDL3/SDL_mutex.h
SYNOPSIS
       #include "SDL3/SDL.h"
       void SDL_WaitSemaphore(SDL_Semaphore *sem);
DESCRIPTION
       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.
FUNCTION PARAMETERS
       sem    the semaphore wait on.
AVAILABILITY
       This function is available since SDL 3.2.0.
SEE ALSO
       •(3), SDL_SignalSemaphore(3), •(3), SDL_TryWaitSemaphore(3), •(3), SDL_WaitSemaphoreTimeout(3)
Simple Directmedia Layer                            SDL 3.2.8                               SDL_WaitSemaphore(3)