sem_unlink3
Remove a named semaphore
Usage
#include <semaphore.h>
int sem_unlink(const char *name);
Library
POSIX threads library (libpthread, -lpthread)
Overview
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 |
Releases
11 releases since Debian 4.0 (Etch); the text changed 10 times.