source: trunk/libs/newlib/src/newlib/libc/machine/cris/sys/signal.h @ 444

/* 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);

/* The first argument is really a pid_t, but that's just a typedef'd
   int, so let's avoid requiring sys/types only for this declaration.  */
int kill (int, int);

#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 */