Man page - sem_unlink(3)

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Manual

sem_unlink

NAME
LIBRARY
SYNOPSIS
DESCRIPTION
RETURN VALUE
ERRORS
ATTRIBUTES
STANDARDS
HISTORY
SEE ALSO

NAME

sem_unlink - remove a named semaphore

LIBRARY

POSIX threads library ( libpthread , -lpthread )

SYNOPSIS

#include <semaphore.h>

int sem_unlink(const char * name );

DESCRIPTION

sem_unlink () removes the named semaphore referred to by name . The semaphore name is removed immediately. The semaphore is destroyed once all other processes that have the semaphore open close it.

RETURN VALUE

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

ERRORS

EACCES

The caller does not have permission to unlink this semaphore.

ENAMETOOLONG

name was too long.

ENOENT

There is no semaphore with the given name .

ATTRIBUTES

For an explanation of the terms used in this section, see attributes (7).

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STANDARDS

POSIX.1-2008.

HISTORY

POSIX.1-2001.

SEE ALSO

sem_getvalue (3), sem_open (3), sem_post (3), sem_wait (3), sem_overview (7)