1########################################################################
2#                                                                      #
3#               This software is part of the ast package               #
4#          Copyright (c) 1985-2011 AT&T Intellectual Property          #
5#                      and is licensed under the                       #
6#                 Eclipse Public License, Version 1.0                  #
7#                    by AT&T Intellectual Property                     #
8#                                                                      #
9#                A copy of the License is available at                 #
10#          http://www.eclipse.org/org/documents/epl-v10.html           #
11#         (with md5 checksum b35adb5213ca9657e911e9befb180842)         #
12#                                                                      #
13#              Information and Software Systems Research               #
14#                            AT&T Research                             #
15#                           Florham Park NJ                            #
16#                                                                      #
17#                 Glenn Fowler <gsf@research.att.com>                  #
18#                  David Korn <dgk@research.att.com>                   #
19#                   Phong Vo <kpv@research.att.com>                    #
20#                                                                      #
21########################################################################
22: generate sig features
23case $# in
240)	;;
25*)	eval $1
26	shift
27	;;
28esac
29echo "#include <signal.h>
30int xxx;" > $tmp.c
31$cc -c $tmp.c >/dev/null 2>$tmp.e
32echo "#pragma prototyped
33#define sig_info	_sig_info_
34
35#if defined(__STDPP__directive) && defined(__STDPP__hide)
36__STDPP__directive pragma pp:hide kill killpg
37#else
38#define kill	______kill
39#define killpg	______killpg
40#endif
41#include <signal.h>
42#if defined(__STDPP__directive) && defined(__STDPP__hide)
43__STDPP__directive pragma pp:nohide kill killpg
44#else
45#undef	kill
46#undef	killpg
47#endif
48#ifndef sigmask
49#define sigmask(s)	(1<<((s)-1))
50#endif"
51echo "#include <signal.h>
52#ifdef TYPE
53#if defined(__STDC__) || defined(__cplusplus) || defined(c_plusplus)
54typedef TYPE (*Sig_handler_t)(ARG);
55#else
56typedef TYPE (*Sig_handler_t)();
57#endif
58#endif
59Sig_handler_t f()
60{
61	Sig_handler_t	handler;
62	handler = signal(1, SIG_IGN);
63	return(handler);
64}" > $tmp.c
65if	$cc -c $tmp.c >/dev/null
66then	:
67else	e=`wc -l $tmp.e`
68	i1= j1=
69	for i in void int
70	do	for j in int,... ... int
71		do	$cc -c -DTYPE=$i -DARG=$j $tmp.c >/dev/null 2>$tmp.e || continue
72			case `wc -l $tmp.e` in
73			$e)	i1= j1=; break 2 ;;
74			esac
75			case $i1 in
76			"")	i1=$i j1=$j ;;
77			esac
78		done
79	done
80	case $i1 in
81	?*)	i=$i1 j=$j1 ;;
82	esac
83	echo "typedef $i (*Sig_handler_t)($j);"
84fi
85echo '
86
87#define Handler_t		Sig_handler_t
88
89#define SIG_REG_PENDING		(-1)
90#define SIG_REG_POP		0
91#define SIG_REG_EXEC		00001
92#define SIG_REG_PROC		00002
93#define SIG_REG_TERM		00004
94#define SIG_REG_ALL		00777
95#define SIG_REG_SET		01000
96
97typedef struct
98{
99	char**		name;
100	char**		text;
101	int		sigmax;
102} Sig_info_t;
103
104extern int		kill(pid_t, int);
105extern int		killpg(pid_t, int);
106
107#if _BLD_ast && defined(__EXPORT__)
108#define extern		extern __EXPORT__
109#endif
110#if !_BLD_ast && defined(__IMPORT__)
111#define extern		extern __IMPORT__
112#endif
113
114extern Sig_info_t	sig_info;
115
116#undef	extern
117
118#if _lib_sigflag && _npt_sigflag
119extern int		sigflag(int, int, int);
120#endif
121
122#if _BLD_ast && defined(__EXPORT__)
123#define extern		__EXPORT__
124#endif
125
126#if !_lib_sigflag
127extern int		sigflag(int, int, int);
128#endif
129extern int		sigcritical(int);
130extern int		sigunblock(int);
131
132#undef	extern'
133