SDL_SemPost(3) SDL API Reference SDL_SemPost(3)NAME
SDL_SemPost- Unlock a semaphore.
SYNOPSIS
#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 semaphore may be scheduled after this
call succeeds.
SDL_SemPost should be called after a semaphore is locked
by a successful call to SDL_SemWait, SDL_SemTryWait or
SDL_SemWaitTimeout.
RETURN VALUE
Returns 0 if successful or -1 if there was an error (leav-
ing the semaphore unchanged).
EXAMPLESSDL_SemPost(my_sem);
SEE ALSO
SDL_CreateSemaphore, SDL_DestroySemaphore, SDL_SemWait,
SDL_SemTryWait, SDL_SemWaitTimeout, SDL_SemValue
SDL Tue 11 Sep 2001, 23:00 SDL_SemPost(3)