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/*
* Copyright (c) 2022 Egor Tensin <Egor.Tensin@gmail.com>
* This file is part of the "cimple" project.
* For details, see https://github.com/egor-tensin/cimple.
* Distributed under the MIT License.
*/
#include "signal.h"
#include "log.h"
#include <signal.h>
volatile sig_atomic_t global_stop_flag = 0;
int signal_set(const sigset_t *new, sigset_t *old)
{
int ret = 0;
ret = sigprocmask(SIG_SETMASK, new, old);
if (ret < 0) {
log_errno("sigprocmask");
return ret;
}
return ret;
}
int signal_block_parent(sigset_t *old)
{
sigset_t new;
sigfillset(&new);
return signal_set(&new, old);
}
int signal_block_child()
{
sigset_t set;
sigemptyset(&set);
sigaddset(&set, SIGINT);
sigaddset(&set, SIGQUIT);
sigaddset(&set, SIGTERM);
return signal_set(&set, NULL);
}
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