SDL_SemPost(3) SDL API Reference SDL_SemPost(3)NAME
SDL_SemPost- Unlock a semaphore.
#include "SDL.h" #include "SDL_thread.h"
int SDL_SemPost(SDL_sem *sem);
DESCRIPTIONSDL_SemPost unlocks the semaphore pointed to by sem and atomically
increments the semaphores value. Threads that were blocking on the sem‐
aphore may be scheduled after this call succeeds.
SDL_SemPost should be called after a semaphore is locked by a success‐
ful call to SDL_SemWait, SDL_SemTryWait or SDL_SemWaitTimeout.
Returns 0 if successful or -1 if there was an error (leaving the sema‐
SDL_CreateSemaphore, SDL_DestroySemaphore, SDL_SemWait, SDL_SemTryWait,
SDL Tue 11 Sep 2001, 23:00 SDL_SemPost(3)