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OSSemPost

INT8U OSSemPost( OS_EVENT * pevent );

Description

This function signals a semaphore.

Parameters

pevent

Pointer to the desired semaphore's event control block

Return value

OS_NO_ERR

The call was successful and the semaphore was signaled.

OS_SEM_OVF

If the semaphore count exceeded its limit. In other words, you have signalled the semaphore more often than you waited on it with either OSSemAccept() or OSSemPend().

OS_ERR_EVENT_TYPE

If a pointer to a semaphore not passed.

OS_ERR_PEVENT_NULL

If pevent is a null pointer.

Library

UCOS2.LIB

See also

OSSemAccept, OSSemCreate, OSSemPend, OSSemQuery