SEM_CLOSE(2) System Calls Manual SEM_CLOSE(2)

sem_closeclose a named semaphore

#include <semaphore.h>

sem_close(sem_t *sem);

The system resources associated with the named semaphore referenced by sem are deallocated and the descriptor is invalidated.

If successful, () will return 0. Otherwise, -1 is returned and errno is set.

sem_close() succeeds unless:

sem is not a valid semaphore descriptor.

sem_open(2), sem_unlink(2), semctl(2), semget(2), semop(2)

sem_close() is specified in the POSIX Realtime Extension (1003.1b-1993/1003.1i-1995).

June 8, 2000 Darwin