Imported Upstream version 93u+upstream

1 files changed, 132 insertions, 0 deletions

diff --git a/src/lib/libast/features/sig.sh b/src/lib/libast/features/sig.sh
new file mode 100644
index 0000000..706372b
--- /dev/null
+++ b/src/lib/libast/features/sig.sh
@@ -0,0 +1,132 @@
+########################################################################
+#                                                                      #
+#               This software is part of the ast package               #
+#          Copyright (c) 1985-2011 AT&T Intellectual Property          #
+#                      and is licensed under the                       #
+#                 Eclipse Public License, Version 1.0                  #
+#                    by AT&T Intellectual Property                     #
+#                                                                      #
+#                A copy of the License is available at                 #
+#          http://www.eclipse.org/org/documents/epl-v10.html           #
+#         (with md5 checksum b35adb5213ca9657e911e9befb180842)         #
+#                                                                      #
+#              Information and Software Systems Research               #
+#                            AT&T Research                             #
+#                           Florham Park NJ                            #
+#                                                                      #
+#                 Glenn Fowler <gsf@research.att.com>                  #
+#                  David Korn <dgk@research.att.com>                   #
+#                   Phong Vo <kpv@research.att.com>                    #
+#                                                                      #
+########################################################################
+: generate sig features
+case $# in
+0)	;;
+*)	eval $1
+	shift
+	;;
+esac
+echo "#include <signal.h>
+int xxx;" > $tmp.c
+$cc -c $tmp.c >/dev/null 2>$tmp.e
+echo "#pragma prototyped
+#define sig_info	_sig_info_
+
+#if defined(__STDPP__directive) && defined(__STDPP__hide)
+__STDPP__directive pragma pp:hide kill killpg
+#else
+#define kill	______kill
+#define killpg	______killpg
+#endif
+#include <signal.h>
+#if defined(__STDPP__directive) && defined(__STDPP__hide)
+__STDPP__directive pragma pp:nohide kill killpg
+#else
+#undef	kill
+#undef	killpg
+#endif
+#ifndef sigmask
+#define sigmask(s)	(1<<((s)-1))
+#endif"
+echo "#include <signal.h>
+#ifdef TYPE
+#if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
+typedef TYPE (*Sig_handler_t)(ARG);
+#else
+typedef TYPE (*Sig_handler_t)();
+#endif
+#endif
+Sig_handler_t f()
+{
+	Sig_handler_t	handler;
+	handler = signal(1, SIG_IGN);
+	return(handler);
+}" > $tmp.c
+if	$cc -c $tmp.c >/dev/null
+then	:
+else	e=`wc -l $tmp.e`
+	i1= j1=
+	for i in void int
+	do	for j in int,... ... int
+		do	$cc -c -DTYPE=$i -DARG=$j $tmp.c >/dev/null 2>$tmp.e || continue
+			case `wc -l $tmp.e` in
+			$e)	i1= j1=; break 2 ;;
+			esac
+			case $i1 in
+			"")	i1=$i j1=$j ;;
+			esac
+		done
+	done
+	case $i1 in
+	?*)	i=$i1 j=$j1 ;;
+	esac
+	echo "typedef $i (*Sig_handler_t)($j);"
+fi
+echo '
+
+#define Handler_t		Sig_handler_t
+
+#define SIG_REG_PENDING		(-1)
+#define SIG_REG_POP		0
+#define SIG_REG_EXEC		00001
+#define SIG_REG_PROC		00002
+#define SIG_REG_TERM		00004
+#define SIG_REG_ALL		00777
+#define SIG_REG_SET		01000
+
+typedef struct
+{
+	char**		name;
+	char**		text;
+	int		sigmax;
+} Sig_info_t;
+
+extern int		kill(pid_t, int);
+extern int		killpg(pid_t, int);
+
+#if _BLD_ast && defined(__EXPORT__)
+#define extern		extern __EXPORT__
+#endif
+#if !_BLD_ast && defined(__IMPORT__)
+#define extern		extern __IMPORT__
+#endif
+
+extern Sig_info_t	sig_info;
+
+#undef	extern
+
+#if _lib_sigflag && _npt_sigflag
+extern int		sigflag(int, int, int);
+#endif
+
+#if _BLD_ast && defined(__EXPORT__)
+#define extern		__EXPORT__
+#endif
+
+#if !_lib_sigflag
+extern int		sigflag(int, int, int);
+#endif
+extern int		sigcritical(int);
+extern int		sigunblock(int);
+
+#undef	extern'