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Set up signal handlers before fork so server has them too.

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This commit is contained in:
Nicholas Marriott
2007-08-28 09:36:33 +00:00
parent 48ab20871b
commit 3846c9b9a8
1 changed files with 27 additions and 27 deletions
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54
tmux.c
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@@ -1,4 +1,4 @@
/* $Id: tmux.c,v 1.5 2007-08-28 08:30:36 nicm Exp $ */
/* $Id: tmux.c,v 1.6 2007-08-28 09:36:33 nicm Exp $ */
/*
* Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>
@@ -154,6 +154,32 @@ main(int argc, char **argv)
err(1, "realpath");
xfree(path);
/* Set up signal handlers. */
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
act.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGUSR1, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGUSR2, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGINT, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGTSTP, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGQUIT, &act, NULL) != 0)
err(1, "sigaction");
act.sa_handler = sighandler;
if (sigaction(SIGWINCH, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGTERM, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGCHLD, &act, NULL) != 0)
err(1, "sigaction");
/* Start server if necessary. */
n = 0;
restart:
@@ -195,32 +221,6 @@ restart:
if (!isatty(STDOUT_FILENO))
errx(1, "stdout is not a tty");
/* Set up signal handlers. */
sigemptyset(&act.sa_mask);
act.sa_flags = SA_RESTART;
act.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGUSR1, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGUSR2, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGINT, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGTSTP, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGQUIT, &act, NULL) != 0)
err(1, "sigaction");
act.sa_handler = sighandler;
if (sigaction(SIGWINCH, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGTERM, &act, NULL) != 0)
err(1, "sigaction");
if (sigaction(SIGCHLD, &act, NULL) != 0)
err(1, "sigaction");
/* Find window size. */
if (ioctl(STDIN_FILENO, TIOCGWINSZ, &ws) == -1)
err(1, "ioctl(TIOCGWINSZ)");