Cogent C API and Utilities : Version 6.4
	Inter-Process Communication Functions

`IP_ReceiveNonblock`

IP_ReceiveNonblock — receives any message, without blocking.

Syntax

#include <cogent.h>
int IP_ReceiveNonblock( IP_Task*   myself, 
  IP_Msg*   rmsg, 
  IP_MsgInfo*   msginfo);

Arguments

myself: A task structure referring to the current process.
rmsg: A message structure to hold the received message.
msginfo: A structure to be filled with extra information.

Returns

The type of the received message. If no message was available then -1 is returned and msginfo->rcvid is set to EAGAIN.

Description

This function receives a message of any type, but will not block if no message is available. See IP_Receive for details.

See Also

Receiving Messages and Events, IP_Receive


IP_Receive		IP_RemoveFDHandler

Copyright © 1995-2010 by Cogent Real-Time Systems, Inc. All rights reserved.