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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);
/* 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 */
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