|SEM_CLOSE(3)||Linux Programmer's Manual||SEM_CLOSE(3)|
NAMEsem_close - close a named semaphore
int sem_close(sem_t * sem );
DESCRIPTIONsem_close() closes the named semaphore referred to by sem, allowing any resources that the system has allocated to the calling process for this semaphore to be freed.
RETURN VALUEOn success sem_close() returns 0; on error, -1 is returned, with errno set to indicate the error.
- sem is not a valid semaphore.
NOTESAll open named semaphores are automatically closed on process termination, or upon execve(2).
SEE ALSOsem_getvalue(3), sem_open(3), sem_post(3), sem_unlink(3), sem_wait(3), sem_overview(7)
COLOPHONThis page is part of release 3.53 of the Linux man-pages project. A description of the project, and information about reporting bugs, can be found at http://www.kernel.org/doc/man-pages/.