saver_child.c File Reference

#include "saver_child.h"
#include <signal.h>
#include <stdlib.h>
#include <unistd.h>
#include "logging.h"
#include "wait_pgrp.h"
#include "xscreensaver_api.h"

Functions
void	KillAllSaverChildrenSigHandler (int signo)
	Kill all saver children. More...
void	WatchSaverChild (Display *dpy, Window w, int index, const char *executable, int should_be_running)
	Starts or stops the screen saver child process. More...

Variables
static pid_t	saver_child_pid [MAX_SAVERS] = {0}
	The PIDs of currently running saver children, or 0 if not running. More...

Function Documentation

KillAllSaverChildrenSigHandler()

void KillAllSaverChildrenSigHandler

(

int

signo

)

Kill all saver children.

This can be used from a signal handler.

WatchSaverChild()

void WatchSaverChild	(	Display *	dpy,
		Window	w,
		int	index,
		const char *	executable,
		int	should_be_running
	)

Starts or stops the screen saver child process.

Parameters

dpy	The X11 display.
w	The screen saver window. Will get cleared after saver child execution.
index	The index of the saver to maintain (0 <= index < MAX_SAVERS).
executable	What binary to spawn for screen saving. No arguments will be passed.
should_be_running	If true, the saver child is started if not running yet; if alse, the saver child will be terminated.

Variable Documentation

saver_child_pid

pid_t saver_child_pid[MAX_SAVERS] = {0}

static

The PIDs of currently running saver children, or 0 if not running.