rt_sem_destroy(2)

rt_sem_destroy2

Remove a semaphore

Usage

#define MODULE
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/version.h>
#include <linux/errno.h>
#include rt_ipc.h

int rt_sem_destroy(rt_sem_t *sem);

Overview

rt_sem_destroy removes a semaphore previously created with rt_sem_create. sem points to the structure used in the corresponding call to rt_sem_create. Semaphore deletion safety is implemented; i.e., any tasks blocked on this semaphore when it is destroyed are allowed to run.

Return value

On success, 0 is returned. On failure, a negative value is returned as described below.

Errors

-EINVAL

sem does not point to a valid rt_sem_t.

Author

Jerry Epplin <[email protected]>

From rtlinux 2.0rel-1 in Debian 2.2 (Potato). Parsed by carta from the page's man source.