Provided by: libsdl3-doc_3.2.20+ds-2_all 

NAME
SDL_SignalSemaphore - Atomically increment a semaphore's value and wake waiting threads.
SYNOPSIS
#include <SDL3/SDL_mutex.h>
void SDL_SignalSemaphore(SDL_Semaphore *sem);
FUNCTION PARAMETERS
sem the semaphore to increment.
AVAILABILITY
This function is available since SDL 3.2.0.
SEE ALSO
SDL_TryWaitSemaphore(3), SDL_WaitSemaphore(3), SDL_WaitSemaphoreTimeout(3)
Simple Directmedia Layer SDL 3.2.20 SDL_SignalSemaphore(3)