NAME
rt_sem_destroy - remove a semaphore
SYNOPSIS
#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);
DESCRIPTION
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]>
SEE ALSO
rt_task_ipc_delete(2), rt_task_ipc_init(2), rt_sem_init(2), rt_sem_post(2), rt_sem_trywait(2), rt_sem_wait(2)