удалить именованный семафор (remove a named semaphore)
Имя (Name)
sem_unlink - remove a named semaphore
Синопсис (Synopsis)
#include <semaphore.h>
int sem_unlink(const char *name);
Link with -pthread.
Описание (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.
Возвращаемое значение (Return value)
On success sem_unlink() returns 0; on error, -1 is returned, with
errno set to indicate the error.
Ошибки (Error)
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.
Атрибуты (Attributes)
For an explanation of the terms used in this section, see
attributes(7).
┌──────────────────────────────────────┬───────────────┬─────────┐
│Interface │ Attribute │ Value │
├──────────────────────────────────────┼───────────────┼─────────┤
│sem_unlink() │ Thread safety │ MT-Safe │
└──────────────────────────────────────┴───────────────┴─────────┘
Стандарты (Conforming to)
POSIX.1-2001, POSIX.1-2008.
Смотри также (See also)
sem_getvalue(3), sem_open(3), sem_post(3), sem_wait(3),
sem_overview(7)
