Spread C API | SP

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Spread 4.0.0 C API

SP_poll

int SP_poll (mailbox mbox);

Parameters

mbox

Spread connection handle to poll on

Return Values

	0	No messages waiting
	< 0	Error (most likely ILLEGAL_SESSION if mbox is illegal. Usually because it is not active)
	> 0	Messages waiting to be received (number of bytes available)

Description

SP_poll is a way to poll a mailbox to see if any messages are available for receiving.

Requirements

Header: Include sp.h
Library: Use libspread
Version: 4.0

Also See

spread programmer's reference