SEM_UNLINK(3) Linux Programmer's Manual SEM_UNLINK(3)NAME
sem_unlink - remove a named semaphore
SYNOPSIS
#include <semaphore.h>
int sem_unlink(const char *name);
Link with -pthread.
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).
+-------------+---------------+---------+
|Interface | Attribute | Value |
+-------------+---------------+---------+
|sem_unlink() | Thread safety | MT-Safe |
+-------------+---------------+---------+
CONFORMING TO
POSIX.1-2001, POSIX.1-2008.
SEE ALSO sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)COLOPHON
This page is part of release 4.15 of the Linux man-pages project. A description of the project, information about reporting bugs, and the
latest version of this page, can be found at https://www.kernel.org/doc/man-pages/.
Linux 2015-08-08 SEM_UNLINK(3)
Check Out this Related Man Page
SEM_UNLINK(3) Linux Programmer's Manual SEM_UNLINK(3)NAME
sem_unlink - remove a named semaphore
SYNOPSIS
#include <semaphore.h>
int sem_unlink(const char *name);
Link with -pthread.
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.
CONFORMING TO
POSIX.1-2001.
SEE ALSO sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3), sem_overview(7)COLOPHON
This 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/.
Linux 2012-05-13 SEM_UNLINK(3)
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