1 /* SPDX-License-Identifier: LGPL-2.1+ */
5 Copyright 2010-2015 Lennart Poettering
12 int reset_all_signal_handlers(void);
13 int reset_signal_mask(void);
15 int ignore_signals(int sig, ...);
16 int default_signals(int sig, ...);
17 #if 0 /// UNNEEDED by elogind
18 int sigaction_many(const struct sigaction *sa, ...);
21 int sigset_add_many(sigset_t *ss, ...);
22 int sigprocmask_many(int how, sigset_t *old, ...);
24 const char *signal_to_string(int i) _const_;
25 int signal_from_string(const char *s) _pure_;
27 #if 0 /// UNNEEDED by elogind
28 void nop_signal_handler(int sig);
31 static inline void block_signals_reset(sigset_t *ss) {
32 assert_se(sigprocmask(SIG_SETMASK, ss, NULL) >= 0);
35 #define BLOCK_SIGNALS(...) \
36 _cleanup_(block_signals_reset) _unused_ sigset_t _saved_sigset = ({ \
38 assert_se(sigprocmask_many(SIG_BLOCK, &_t, __VA_ARGS__, -1) >= 0); \
42 static inline bool SIGNAL_VALID(int signo) {
43 return signo > 0 && signo < _NSIG;
46 static inline const char* signal_to_string_with_check(int n) {
50 return signal_to_string(n);