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OSSemQuery

INT8U OSSemQuery( OS_EVENT * pevent, OS_SEM_DATA * pdata );

Description

Obtains information about a semaphore.

Parameters

pevent

Pointer to the desired semaphore's event control block

pdata

Pointer to a data structure that will hold information about the semaphore.

Return value

OS_NO_ERR

The call was successful and the message was sent.

OS_ERR_EVENT_TYPE

Attempting to obtain data from a non semaphore.

OS_ERR_PEVENT_NULL

If the pevent parameter is a null pointer.

Library

UCOS2.LIB

See also

OSSemAccept, OSSemCreate, OSSemPend, OSSemPost