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author | Nicholas Marriott <nicm@openbsd.org> | 2010-05-04 17:28:16 +0000 |
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committer | Nicholas Marriott <nicm@openbsd.org> | 2010-05-04 17:28:16 +0000 |
commit | c4a2fdf15b5f6cd35319e36636b7daee8061c2ab (patch) | |
tree | 078b36e8669e687d32224b9a2239713781d787c5 /signal.c | |
parent | af5e0bd15affd358017e43110ac5a6c3b22233bc (diff) | |
download | rtmux-c4a2fdf15b5f6cd35319e36636b7daee8061c2ab.tar.gz rtmux-c4a2fdf15b5f6cd35319e36636b7daee8061c2ab.tar.bz2 rtmux-c4a2fdf15b5f6cd35319e36636b7daee8061c2ab.zip |
Put this back in with the initialisation in the right order.
Diffstat (limited to 'signal.c')
-rw-r--r-- | signal.c | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/signal.c b/signal.c new file mode 100644 index 00000000..b84d90be --- /dev/null +++ b/signal.c @@ -0,0 +1,88 @@ +/* $Id$ */ + +/* + * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net> + * Copyright (c) 2010 Romain Francoise <rfrancoise@debian.org> + * + * Permission to use, copy, modify, and distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF MIND, USE, DATA OR PROFITS, WHETHER + * IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING + * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include <string.h> +#include <signal.h> + +#include "tmux.h" + +struct event ev_sigchld; +struct event ev_sigcont; +struct event ev_sigterm; +struct event ev_sigusr1; +struct event ev_sigwinch; + +void +set_signals(void(*handler)(int, short, unused void *)) +{ + struct sigaction sigact; + + memset(&sigact, 0, sizeof sigact); + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = SA_RESTART; + sigact.sa_handler = SIG_IGN; + if (sigaction(SIGINT, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGPIPE, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGUSR2, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGTSTP, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGHUP, &sigact, NULL) != 0) + fatal("sigaction failed"); + + signal_set(&ev_sigchld, SIGCHLD, handler, NULL); + signal_add(&ev_sigchld, NULL); + signal_set(&ev_sigcont, SIGCONT, handler, NULL); + signal_add(&ev_sigcont, NULL); + signal_set(&ev_sigterm, SIGTERM, handler, NULL); + signal_add(&ev_sigterm, NULL); + signal_set(&ev_sigusr1, SIGUSR1, handler, NULL); + signal_add(&ev_sigusr1, NULL); + signal_set(&ev_sigwinch, SIGWINCH, handler, NULL); + signal_add(&ev_sigwinch, NULL); +} + +void +clear_signals(void) +{ + struct sigaction sigact; + + memset(&sigact, 0, sizeof sigact); + sigemptyset(&sigact.sa_mask); + sigact.sa_flags = SA_RESTART; + sigact.sa_handler = SIG_DFL; + if (sigaction(SIGINT, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGPIPE, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGUSR2, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGTSTP, &sigact, NULL) != 0) + fatal("sigaction failed"); + if (sigaction(SIGHUP, &sigact, NULL) != 0) + fatal("sigaction failed"); + + event_del(&ev_sigchld); + event_del(&ev_sigcont); + event_del(&ev_sigterm); + event_del(&ev_sigusr1); + event_del(&ev_sigwinch); +} |