sem_close man page on CentOS

sem_close man page on CentOS

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SEM_CLOSE(3)		   Linux Programmer's Manual		  SEM_CLOSE(3)

NAME
       sem_close - close a named semaphore

SYNOPSIS
       #include <semaphore.h>

       int sem_close(sem_t *sem);

DESCRIPTION
       sem_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.

NOTES
       All  open named semaphores are automatically closed on process termina‐
       tion, or upon execve(2).

RETURN VALUE
       On success sem_close() returns 0; on error, -1 is returned, with	 errno
       set to indicate the error.

ERRORS
       EINVAL sem is not a valid semaphore.

CONFORMING TO
       POSIX.1-2001.

SEE ALSO
       sem_getvalue(3),	 sem_open(3), sem_post(3), sem_unlink(3), sem_wait(3),
       sem_overview(7)

Linux 2.6.16			  2006-03-25			  SEM_CLOSE(3)

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