90 lines
2.2 KiB
C
90 lines
2.2 KiB
C
/* This file is to be kept in sync (well, reasonably so, it's quite
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different) with newlib/libc/include/sys/signal.h on which it is
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based, except values used or returned by syscalls must be those of
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the Linux/CRIS kernel. */
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/* sys/signal.h */
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#ifndef _SYS_SIGNAL_H
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#define _SYS_SIGNAL_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "_ansi.h"
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typedef unsigned long sigset_t;
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/* Adjusted to linux, has unused sa_restorer field and unsigned long
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sa_flags; relatively unimportant though. */
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/* Type of a signal handler. */
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typedef void (*__sighandler_t)(int);
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/* The type used in newlib sources. */
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typedef __sighandler_t _sig_func_ptr;
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struct sigaction {
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__sighandler_t sa_handler;
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sigset_t sa_mask;
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unsigned long sa_flags;
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void (*sa_restorer)(void);
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};
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/* Adjusted to glibc; other values. */
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#define SA_NOCLDSTOP 1 /* only value supported now for sa_flags */
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#define SIG_SETMASK 2 /* set mask with sigprocmask() */
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#define SIG_BLOCK 0 /* set of signals to block */
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#define SIG_UNBLOCK 1 /* set of signals to, well, unblock */
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/* These depend upon the type of sigset_t, which right now
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is always a long.. They're in the POSIX namespace, but
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are not ANSI. */
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#define sigaddset(what,sig) (*(what) |= (1<<(sig)))
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#define sigemptyset(what) (*(what) = 0)
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int sigprocmask (int __how, const sigset_t *__a, sigset_t *__b);
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#define SIGHUP 1
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#define SIGINT 2
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#define SIGQUIT 3
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#define SIGILL 4
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#define SIGTRAP 5
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#define SIGABRT 6
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#define SIGIOT 6
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#define SIGBUS 7
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#define SIGFPE 8
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#define SIGKILL 9
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#define SIGUSR1 10
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#define SIGSEGV 11
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#define SIGUSR2 12
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#define SIGPIPE 13
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#define SIGALRM 14
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#define SIGTERM 15
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#define SIGSTKFLT 16
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#define SIGCHLD 17
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#define SIGCONT 18
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#define SIGSTOP 19
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#define SIGTSTP 20
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#define SIGTTIN 21
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#define SIGTTOU 22
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#define SIGURG 23
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#define SIGXCPU 24
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#define SIGXFSZ 25
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#define SIGVTALRM 26
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#define SIGPROF 27
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#define SIGWINCH 28
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#define SIGIO 29
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#define SIGPOLL SIGIO
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#define SIGPWR 30
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#define NSIG 31
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#ifdef __cplusplus
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}
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#endif
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#ifndef _SIGNAL_H_
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/* Some applications take advantage of the fact that <sys/signal.h>
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* and <signal.h> are equivalent in glibc. Allow for that here. */
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#include <signal.h>
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#endif
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#endif /* _SYS_SIGNAL_H */
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