child.c File Reference

helper functions for interacting with Qsmtpds child processes More...

#include <qsmtpd/qsmtpd.h>
#include <errno.h>
#include <unistd.h>

Functions
int	pipe_move (int p[2], int target)
	move the read end of the pipe to the target descriptor More...

Detailed Description

helper functions for interacting with Qsmtpds child processes

Function Documentation

int pipe_move	(	int	p[2],
		int	target
	)

move the read end of the pipe to the target descriptor

Parameters

p	both ends of the pipe
target	the target descriptor of the read end

Returns

if everything went smooth

Return values

0	everything is fine

This will move the read end of the pipe to target, closing both the write end of the pipe and the old read end of the pipe. This is intended to be called in the child process directly after forking, but before execve().