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--exit-on-parent-death

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Devaev Maxim
2019-10-08 23:32:23 +03:00
parent 57132c46ac
commit a1c83fc765
2 changed files with 78 additions and 0 deletions
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src/process.h Normal file
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/*****************************************************************************
# #
# uStreamer - Lightweight and fast MJPG-HTTP streamer. #
# #
# Copyright (C) 2018 Maxim Devaev <mdevaev@gmail.com> #
# #
# This program is free software: you can redistribute it and/or modify #
# it under the terms of the GNU General Public License as published by #
# the Free Software Foundation, either version 3 of the License, or #
# (at your option) any later version. #
# #
# This program is distributed in the hope that it will be useful, #
# but WITHOUT ANY WARRANTY; without even the implied warranty of #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
# GNU General Public License for more details. #
# #
# You should have received a copy of the GNU General Public License #
# along with this program. If not, see <https://www.gnu.org/licenses/>. #
# #
*****************************************************************************/
#pragma once
#if defined(__linux__)
# define HAS_PROCESS_SET_SIGTERM_ON_PARENT_DEATH
#elif defined(__FreeBSD__)
# include <sys/param.h>
# if __FreeBSD_version >= 1102000
# define HAS_PROCESS_SET_SIGTERM_ON_PARENT_DEATH
# endif
#endif
#ifdef HAS_PROCESS_SET_SIGTERM_ON_PARENT_DEATH
# include <signal.h>
# if defined(__linux__)
# include <sys/prctl.h>
# elif defined(__FreeBSD__)
# include <sys/procctl.h>
# endif
# include "logging.h"
INLINE void process_set_sigterm_on_parent_death(void) {
int signum = SIGTERM;
# ifdef __linux__
int retval = prctl(PR_SET_PDEATHSIG, signum);
# elif __FreeBSD__
int retval = procctl(P_PID, 0, PROC_PDEATHSIG_CTL, &signum);
# else
# error WTF?
# endif
if (retval < 0) {
LOG_PERROR("Can't set to receive SIGTERM on parent process death");
}
}
#endif