Initial revision

1 files changed, 166 insertions, 0 deletions

diff --git a/include/signal.h b/include/signal.h
new file mode 100644
index 000000000..9daf0c07c
--- /dev/null
+++ b/include/signal.h
@@ -0,0 +1,166 @@
+/* Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the, 1992 Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/*
+ *	ANSI Standard: 4.7 SIGNAL HANDLING <signal.h>
+ */
+
+#ifndef _SIGNAL_H
+#define _SIGNAL_H
+
+#include <features.h>
+#include <sys/types.h>
+#include <linux/signal.h>
+
+#ifndef SIGCLD
+#define SIGCLD		SIGCHLD
+#endif
+
+/* SVR4 */
+#ifndef SA_RESETHAND
+#define SA_RESETHAND SA_ONESHOT
+#endif
+
+/* SVR4 */
+#ifndef SA_NODEFER
+#define SA_NODEFER SA_NOMASK
+#endif
+
+typedef int sig_atomic_t;
+
+typedef __sighandler_t	SignalHandler;
+
+#ifndef BADSIG
+#define BADSIG		SIG_ERR
+#endif
+
+/* The Interviews version also has these ... */
+
+#define SignalBad	((SignalHandler)-1)
+#define SignalDefault	((SignalHandler)0)
+#define SignalIgnore	((SignalHandler)1)
+
+__BEGIN_DECLS
+
+extern __const char * __const sys_siglist[];
+extern __const char * __const _sys_siglist[];
+
+extern __sighandler_t
+		signal __P ((int __sig, __sighandler_t));
+extern __sighandler_t
+		__signal __P ((int __sig, __sighandler_t, int flags));
+extern int	raise __P ((int __sig));
+extern int	__kill __P ((pid_t __pid, int __sig));
+extern int	kill __P ((pid_t __pid, int __sig));
+extern int	killpg __P ((int __pgrp, int __sig));
+extern int	sigaddset __P ((sigset_t *__mask, int __sig));
+extern int	sigdelset __P ((sigset_t *__mask, int __sig));
+extern int	sigemptyset __P ((sigset_t *__mask));
+extern int	sigfillset __P ((sigset_t *__mask));
+extern int	sigismember __P ((__const sigset_t *__mask, int __sig));
+extern int	sigpending __P ((sigset_t *__set));
+
+extern int	__sigprocmask __P ((int __how, __const sigset_t *__set,
+			sigset_t *__oldset));
+extern int	sigprocmask __P ((int __how, __const sigset_t *__set,
+			sigset_t *__oldset));
+
+extern int	sigsuspend __P ((__const sigset_t *sigmask));
+
+extern int	__sigaction __P ((int __sig, struct sigaction *__act,
+			struct sigaction *__oldact));
+extern int	sigaction __P ((int __sig, struct sigaction *__act,
+			struct sigaction *__oldact));
+
+#define __sigemptyset(set)	((*(set) = 0L), 0)
+#define __sigfillset(set)       ((*(set) = -1L), 0)
+#define __sigaddset(set, sig)   ((*(set) |= __sigmask (sig)), 0)
+#define __sigdelset(set, sig)   ((*(set) &= ~__sigmask (sig)), 0)
+#define __sigismember(set, sig) ((*(set) & __sigmask (sig)) ? 1 : 0)
+
+
+#if 1
+#define sigemptyset	__sigemptyset
+#define sigfillset	__sigfillset
+
+/* We don't do that any more since it causes problems due to
+ * "sig" > _NSIG and "sig" < 1. It isn't worth the touble to make
+ * them inline and static. Use __sigxxxxx if you want speed with
+ * correct "sig".
+ */
+#if 1
+#define sigaddset	__sigaddset
+#define sigdelset	__sigdelset
+#define sigismember	__sigismember
+#endif
+
+#endif
+
+
+/* Return a mask that includes SIG only.  */
+#define __sigmask(sig)	(1 << ((sig) - 1))
+
+extern int __sigsetmask __P ((int __mask));
+extern int __siggetmask __P ((void));
+extern int __sigblock __P ((int __mask));
+extern int __sigpause __P ((int __mask));
+
+#ifdef  __USE_SVID
+/* SVID names for the same things.  */
+extern __sighandler_t ssignal __P ((int __sig, __sighandler_t __handler));
+extern int gsignal __P ((int __sig));
+
+#endif /* Use SVID.  */
+ 
+/* BSD */
+#ifdef __USE_BSD
+#define sigmask		__sigmask
+
+extern int	sigblock __P ((int __mask));
+extern int	sigpause __P ((int __mask));
+extern int	sigsetmask __P ((int __mask));
+extern int	siggetmask __P ((void));
+extern void	psignal __P ((int __sig, __const char *__str));
+
+extern int	siginterrupt __P ((int __sig, int __flag));
+
+/* The `sig' bit is set if the interrupt on it
+ * is enabled via siginterrupt (). */
+extern sigset_t _sigintr;
+
+#endif  /* Use BSD.  */
+
+#ifdef __USE_BSD_SIGNAL
+
+extern __sighandler_t
+		__bsd_signal __P ((int __sig, __sighandler_t));
+#define signal	__bsd_signal
+
+#endif	/* __USE_BSD_SIGNAL */
+
+__END_DECLS
+
+#if _MIT_POSIX_THREADS
+#define __SIGFILLSET		0xffffffff
+#define __SIGEMPTYSET		0
+#define __SIGADDSET(s,n)	((*s) |= (1 << ((n) - 1)))
+#define __SIGDELSET(s,n)	((*s) &= ~(1 << ((n) - 1)))
+#define __SIGISMEMBER(s,n)	((*s) & (1 << ((n) - 1)))
+#endif
+
+#endif /* _SIGNAL_H */