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#include "signal_handler.h"
#include <errno.h>
#include <termios.h>
#include <sys/ioctl.h>
namespace ov4
{
/*
* sigint_handler - The kernel sends a SIGINT to the shell whenver the
* user types ctrl-c at the keyboard. Catch it and send it along
* to the foreground job.
*/
void sigint_handler([[maybe_unused]] int sig)
{
int errno_backup = errno;
sigset_t prev;
block_handler(&prev);
int pid = fgpid();
if (pid != 0)
{
kill(-pid, SIGINT);
} else {
tcflush(STDIN_FILENO, TCIFLUSH);
ioctl(STDIN_FILENO, TIOCSTI, "\n");
}
sigprocmask(SIG_SETMASK, &prev, nullptr);
errno = errno_backup;
return;
}
}
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