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84 lines
2.5 KiB
C
84 lines
2.5 KiB
C
/* Signal management - Be conservative with what finit responds to!
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*
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* Copyright (c) 2008-2010 Claudio Matsuoka <cmatsuoka@gmail.com>
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* Copyright (c) 2008-2024 Joachim Wiberg <troglobit@gmail.com>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef FINIT_SIG_H_
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#define FINIT_SIG_H_
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#include <signal.h>
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#include <uev/uev.h>
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#define SETSIG(sa, sig, fun, flags) \
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do { \
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sa.sa_sigaction = fun; \
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sa.sa_flags = SA_SIGINFO | flags; \
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sigemptyset(&sa.sa_mask); \
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sigaction(sig, &sa, NULL); \
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} while (0)
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#define IGNSIG(sa, sig, flags) \
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do { \
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sa.sa_handler = SIG_IGN; \
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sa.sa_flags = flags; \
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sigemptyset(&sa.sa_mask); \
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sigaction(sig, &sa, NULL); \
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} while (0)
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#define DFLSIG(sa, sig, flags) \
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do { \
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sa.sa_handler = SIG_DFL; \
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sa.sa_flags = flags; \
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sigemptyset(&sa.sa_mask); \
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sigaction(sig, &sa, NULL); \
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} while (0)
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/*
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* For old-style /dev/initctl shutdown we default to halt
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*/
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#define SHUT_DEFAULT SHUT_HALT
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typedef enum {
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SHUT_OFF,
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SHUT_HALT,
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SHUT_REBOOT
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} shutop_t;
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extern shutop_t halt;
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void do_shutdown (shutop_t op);
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int sig_num (const char *name);
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void sig_init (void);
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void sig_unblock (void);
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void sig_setup (uev_ctx_t *ctx);
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const char *sig_name(int signo);
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#endif /* FINIT_SIG_H_ */
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/**
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* Local Variables:
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* indent-tabs-mode: t
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* c-file-style: "linux"
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* End:
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*/
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