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/* This file is to be kept in sync (well, reasonably so, it's quite

   different) with newlib/libc/include/sys/signal.h on which it is

   based, except values used or returned by syscalls must be those of

   the Linux/CRIS kernel.  */

/* sys/signal.h */

#ifndef _SYS_SIGNAL_H

#define _SYS_SIGNAL_H

#ifdef __cplusplus

extern "C" {

#endif

#include "_ansi.h"

typedef unsigned long sigset_t;

/* Adjusted to linux, has unused sa_restorer field and unsigned long

   sa_flags; relatively unimportant though.  */

/* Type of a signal handler.  */

typedef void (*__sighandler_t)(int);

/* The type used in newlib sources.  */

typedef __sighandler_t _sig_func_ptr;

struct sigaction {

        __sighandler_t sa_handler;

        sigset_t sa_mask;

        unsigned long sa_flags;

        void (*sa_restorer)(void);

};

/* Adjusted to glibc; other values.  */

#define SA_NOCLDSTOP 1  /* only value supported now for sa_flags */

#define SIG_SETMASK 2   /* set mask with sigprocmask() */

#define SIG_BLOCK 0     /* set of signals to block */

#define SIG_UNBLOCK 1   /* set of signals to, well, unblock */

/* These depend upon the type of sigset_t, which right now

   is always a long.. They're in the POSIX namespace, but

   are not ANSI. */

#define sigaddset(what,sig) (*(what) |= (1<<(sig)))

#define sigemptyset(what)   (*(what) = 0)

int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b);

#define SIGHUP           1

#define SIGINT           2

#define SIGQUIT          3

#define SIGILL           4

#define SIGTRAP          5

#define SIGABRT          6

#define SIGIOT           6

#define SIGBUS           7

#define SIGFPE           8

#define SIGKILL          9

#define SIGUSR1         10

#define SIGSEGV         11

#define SIGUSR2         12

#define SIGPIPE         13

#define SIGALRM         14

#define SIGTERM         15

#define SIGSTKFLT       16

#define SIGCHLD         17

#define SIGCONT         18

#define SIGSTOP         19

#define SIGTSTP         20

#define SIGTTIN         21

#define SIGTTOU         22

#define SIGURG          23

#define SIGXCPU         24

#define SIGXFSZ         25

#define SIGVTALRM       26

#define SIGPROF         27

#define SIGWINCH        28

#define SIGIO           29

#define SIGPOLL         SIGIO

#define SIGPWR          30

#define NSIG 31

#ifdef __cplusplus

}

#endif

#ifndef _SIGNAL_H_

/* Some applications take advantage of the fact that <sys/signal.h>

 * and <signal.h> are equivalent in glibc.  Allow for that here.  */

#include <signal.h>

#endif

#endif /* _SYS_SIGNAL_H */