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Close stdio before entering main loop. ok tb@

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matthieu 2017-08-20 16:42:21 +00:00
parent b9ed073e62
commit 83cf67e9fb
1 changed files with 15 additions and 1 deletions
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16
app/xidle/xidle.c
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@ -1,4 +1,4 @@
/* $OpenBSD: xidle.c,v 1.3 2011/11/18 00:16:57 fgsch Exp $ */
/* $OpenBSD: xidle.c,v 1.4 2017/08/20 16:42:21 matthieu Exp $ */
/*
* Copyright (c) 2005 Federico G. Schwindt
* Copyright (c) 2005 Claudio Castiglia
@ -31,7 +31,9 @@
#include <sys/types.h>
#include <sys/wait.h>
#include <err.h>
#include <fcntl.h>
#include <limits.h>
#include <paths.h>
#include <signal.h>
#include <stdio.h>
#include <stdlib.h>
@ -184,6 +186,7 @@ action(struct xinfo *xi, char **args)
/* NOTREACHED */
case 0:
setsid();
execv(*args, args);
exit(1);
/* NOTREACHED */
@ -333,10 +336,12 @@ main(int argc, char **argv)
char *args[10];
int area = 2, delay = 2, timeout = 0;
int position = north|west;
int fd;
u_long last_serial = 0;
bzero(&x, sizeof(struct xinfo));
parse_opts(argc, argv, &x.dpy, &area, &delay, &timeout,
&position, args);
@ -352,6 +357,15 @@ main(int argc, char **argv)
signal(SIGTERM, handler);
signal(SIGUSR1, handler);
fd = open(_PATH_DEVNULL, O_RDWR, 0);
if (fd < 0)
err(1, _PATH_DEVNULL);
dup2(fd, STDIN_FILENO);
dup2(fd, STDOUT_FILENO);
dup2(fd, STDERR_FILENO);
if (fd > 2)
close(fd);
for (;;) {
XEvent ev;
u_long mask;