www.spread.org Spread Documentation C API
      
Spread 3.17.3 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 or libtspread
Version: 3.17.3

Also See
   



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