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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <errno.h>
#include "error/error.h"
#include "pervasive.h"
#include "./cli.h"
static volatile char JH_GATEWAY_IS_RUNNING = (char) 1;
static void request_termination (int const signo)
{
if ((signo == SIGINT) || (signo == SIGTERM))
{
JH_GATEWAY_IS_RUNNING = (char) 0;
}
}
int JH_cli_is_running (void)
{
return (int) JH_GATEWAY_IS_RUNNING;
}
int JH_cli_set_signal_handlers (void)
{
struct sigaction act;
const int old_errno = errno;
memset((void *) &act, 0, sizeof(struct sigaction));
act.sa_handler = request_termination;
errno = 0;
if (sigaction(SIGHUP, &act, (struct sigaction * restrict) NULL) == -1)
{
JH_FATAL
(
stderr,
"Could not set sigaction for SIGHUP (errno: %d): %s",
errno,
strerror(errno)
);
errno = old_errno;
return -1;
}
errno = 0;
if (sigaction(SIGINT, &act, (struct sigaction * restrict) NULL) == -1)
{
JH_FATAL
(
stderr,
"Could not set sigaction for SIGINT (errno: %d): %s",
errno,
strerror(errno)
);
errno = old_errno;
return -1;
}
act.sa_handler = SIG_IGN;
if (sigaction(SIGPIPE, &act, (struct sigaction * restrict) NULL) == -1)
{
JH_FATAL
(
stderr,
"Could not set sigaction for SIGPIPE (errno: %d): %s",
errno,
strerror(errno)
);
errno = old_errno;
return -1;
}
errno = old_errno;
return 0;
}
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