6eb7c172b5
And port all code over to use it.
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
#pragma once
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/***
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This file is part of systemd.
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Copyright 2010-2015 Lennart Poettering
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systemd is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2.1 of the License, or
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(at your option) any later version.
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systemd is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with systemd; If not, see <http://www.gnu.org/licenses/>.
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***/
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#include <signal.h>
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#include "macro.h"
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int reset_all_signal_handlers(void);
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int reset_signal_mask(void);
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int ignore_signals(int sig, ...);
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int default_signals(int sig, ...);
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int sigaction_many(const struct sigaction *sa, ...);
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int sigset_add_many(sigset_t *ss, ...);
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int sigprocmask_many(int how, sigset_t *old, ...);
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const char *signal_to_string(int i) _const_;
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int signal_from_string(const char *s) _pure_;
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int signal_from_string_try_harder(const char *s);
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void nop_signal_handler(int sig);
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static inline void block_signals_reset(sigset_t *ss) {
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assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
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}
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#define BLOCK_SIGNALS(...) \
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_cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({ \
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sigset_t t; \
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assert_se(sigprocmask_many(SIG_BLOCK, &t, __VA_ARGS__, -1) >= 0); \
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t; \
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})
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static inline bool SIGNAL_VALID(int signo) {
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return signo > 0 && signo < _NSIG;
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}
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