Linux cli command sem_unlink

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command sem_unlink and provides detailed information about the command sem_unlink, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the sem_unlink.

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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).

InterfaceAttributeValue

sem_unlink()

Thread safetyMT-Safe

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)

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