mirror of
https://github.com/troglobit/finit.git
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Joachim Nilsson
eeb59eb22b
This patch adopts the BusyBox init signals for handling halt, reboot, and poweroff. The SIGINT and SIGPWR signals still behave the same as before, even though they likely will become configurable in a future release. Note: the disabling of Ctrl-Alt-Delete (SIGINT) is also removed! Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
78 lines
2.4 KiB
C
78 lines
2.4 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) 2008-2014 Joachim Nilsson <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 SYNC_SHUTDOWN "/var/lock/finit.shutdown"
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#define SYNC_STOPPED "/var/lock/finit.stopped"
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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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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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void do_shutdown (shutop_t op);
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int sig_stopped (void);
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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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#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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