SEM_CLOSE(2)

NAME
sem_close - close a named semaphore

SYNOPSIS
#include <semaphore.h>
int
sem_close(sem_t *sem);

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

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

ERRORS
sem_close() succeeds unless:

[EINVAL]
    sem is not a valid semaphore descriptor.

SEE ALSO
semctl(2), semget(2), semop(2), sem_init(2), sem_open(2), sem_unlink(2)

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