source: mainline/uspace/lib/compat/signal.h@ 3daba9de

#include "sys/types.h"
#include "time.h"
#include "errno.h"

/* HelenOS doesn't have signals, so calls to functions of this header
 * are just replaced with their respective failure return value.
 *
 * Other macros and constants are here just to satisfy the symbol resolver
 * and have no practical value whatsoever, until HelenOS implements some
 * equivalent of signals. Maybe something neat based on IPC could be devised
 * in the future?
 */

#define SIG_DFL ((void (*)(int)) 0)
#define SIG_ERR ((void (*)(int)) 0)
#define SIG_IGN ((void (*)(int)) 0)


#define signal(sig,func) (errno = ENOTSUP, SIG_ERR)
#define raise(sig) ((int)-1)

typedef int sig_atomic_t;

// full POSIX set
enum {
        SIGABRT,
        SIGALRM,
        SIGBUS,
        SIGCHLD,
        SIGCONT,
        SIGFPE,
        SIGHUP,
        SIGILL,
        SIGINT,
        SIGKILL,
        SIGPIPE,
        SIGQUIT,
        SIGSEGV,
        SIGSTOP,
        SIGTERM,
        SIGTSTP,
        SIGTTIN,
        SIGTTOU,
        SIGUSR1,
        SIGUSR2,
        SIGPOLL,
        SIGPROF,
        SIGSYS,
        SIGTRAP,
        SIGURG,
        SIGVTALRM,
        SIGXCPU,
        SIGXFSZ
};