how to set process group on socket

[Dave Decot]

Submitted-by: decot at hpisod2.cup.hp.com (Dave Decot)

> 	ioctl(fd, SIOCSPGRP, &pid);
> 
> That is, in a POSIX environment, how does one set the process-group ID
> of processes that will receive SIGIO and SIGURG signals associated with
> a particular file-descriptor (which, incidentally, is a socket) to the PID
> of the current process.

POSIX.1 has no such signals SIGIO or SIGURG, nor any sockets, nor do
any of the current drafts of other POSIX standards.

The current POSIX.4 draft describes ways to signal asynchronous I/O
completion, but the signals currently go only to the process that
started the I/O.

Dave Decot


Volume-Number: Volume 23, Number 15