<< Previous | Next >>

---

OSMutexPost

INT8U OSMutexPost (OS_EVENT *pevent);

Description

This function signals a mutual exclusion semaphore.

Parameters

pevent

Pointer to mutex's event control block.

Return value

OS_NO_ERR

The call was successful and the mutex was signaled.

OS_ERR_EVENT_TYPE

If you didn't pass a pointer to a mutex

OS_ERR_PEVENT_NULL

pevent is a NULL pointer

OS_ERR_POST_ISR

Attempted to post from an ISR (invalid for mutexes)

OS_ERR_NOT_MUTEX_OWNER

The task that did the post is NOT the owner of the MUTEX.

Library

OS_MUTEX.C