44 lines
1.3 KiB
C
44 lines
1.3 KiB
C
/* SPDX-License-Identifier: LGPL-2.1+ */
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#pragma once
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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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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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static inline const char* signal_to_string_with_check(int n) {
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if (!SIGNAL_VALID(n))
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return NULL;
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return signal_to_string(n);
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}
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