#pragma once

#include <signal.h>
#include <sys/types.h>

sighandler_t signal(int signum, sighandler_t handler);
int sigaction(int signum, const struct sigaction *act, struct sigaction *oldact);
int sigprocmask(int how, const sigset_t *set, sigset_t *oldset);
int sigpending(sigset_t *set);
int sigemptyset(sigset_t *set);
int sigfillset(sigset_t *set);
int sigaddset(sigset_t *set, int signum);
int sigdelset(sigset_t *set, int signum);
int sigismember(const sigset_t *set, int signum);
int kill(pid_t pid, int signum);
int raise(int signum);