Luna/libc/include/signal.h

/* signal.h: Signal management. */

#ifndef _SIGNAL_H
#define _SIGNAL_H

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

typedef int sig_atomic_t;

#define SIG_ERR (__simple_sighandler_t)(-3)

#ifdef __cplusplus
extern "C"
{
#endif

#pragma GCC push_options
#pragma GCC diagnostic ignored "-Wshadow"
    /* Examine/change the current thread's signal disposition for a specific signal. */
    int sigaction(int signo, const struct sigaction* act, struct sigaction* oldact);
#pragma GCC pop_options

    /* Change the current thread's signal disposition for a specific signal. */
    __simple_sighandler_t signal(int signo, __simple_sighandler_t handler);

    /* Send a signal to a specific process. */
    int kill(pid_t pid, int signo);

    /* Send a signal to the current thread. */
    int raise(int signo);

    /* Modify the current thread's signal mask. */
    int sigprocmask(int how, const sigset_t* set, sigset_t* oldset);

    /* Clear all signals from set. */
    int sigemptyset(sigset_t* set);

    /* Add all signals to set. */
    int sigfillset(sigset_t* set);

    /* Add a specific signal to set. */
    int sigaddset(sigset_t* set, int signo);

    /* Remove a specific signal from set. */
    int sigdelset(sigset_t* set, int signo);

    /* Check if a signal is in set.*/
    int sigismember(const sigset_t* set, int signo);

    /* Change the signal mask temporarily and wait for a signal to arrive. */
    int sigsuspend(const sigset_t* set);

#ifdef __cplusplus
}
#endif

#endif