/* See LICENSE file for copyright and license details. */
#include "common.h"
_Atomic volatile sig_atomic_t exiting = 0;
static void
sighandler(int signo)
{
(void) signo;
exiting = 1;
}
void
setup_sighandler(void)
{
struct sigaction sa;
memset(&sa, 0, sizeof(sa));
sa.sa_handler = &sighandler;
sigemptyset(&sa.sa_mask);
if (sigaction(SIGTERM, &sa, NULL))
eprintf("sigaction SIGTERM {.sa_handler=<function>, .sa_mask={}, .sa_flags=0} NULL:");
if (sigaction(SIGINT, &sa, NULL))
eprintf("sigaction SIGINT {.sa_handler=<function>, .sa_mask={}, .sa_flags=0} NULL:");
}
void
block_sigs(void)
{
sigset_t sigset;
sigemptyset(&sigset);
sigaddset(&sigset, SIGTERM);
sigaddset(&sigset, SIGINT);
errno = pthread_sigmask(SIG_BLOCK, &sigset, NULL);
if (errno)
eprintf("pthread_sigmask SIG_BLOCK {SIGTERM, SIGINT} NULL:");
}
void
unblock_sigs(void)
{
sigset_t sigset;
sigemptyset(&sigset);
sigaddset(&sigset, SIGTERM);
sigaddset(&sigset, SIGINT);
errno = pthread_sigmask(SIG_UNBLOCK, &sigset, NULL);
if (errno)
eprintf("pthread_sigmask SIG_UNBLOCK {SIGTERM, SIGINT} NULL:");
}