1 /*
2  * This file has been modified for the cdrkit suite.
3  *
4  * The behaviour and appearence of the program code below can differ to a major
5  * extent from the version distributed by the original author(s).
6  *
7  * For details, see Changelog file distributed with the cdrkit package. If you
8  * received this file from another source then ask the distributing person for
9  * a log of modifications.
10  *
11  */
12 
13 /* @(#)waitdefs.h	1.10 03/02/25 Copyright 1995-2003 J. Schilling */
14 /*
15  *	Definitions to deal with various kinds of wait flavour
16  *
17  *	Copyright (c) 1995-2003 J. Schilling
18  */
19 /*
20  * This program is free software; you can redistribute it and/or modify
21  * it under the terms of the GNU General Public License version 2
22  * as published by the Free Software Foundation.
23  *
24  * This program is distributed in the hope that it will be useful,
25  * but WITHOUT ANY WARRANTY; without even the implied warranty of
26  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
27  * GNU General Public License for more details.
28  *
29  * You should have received a copy of the GNU General Public License along with
30  * this program; see the file COPYING.  If not, write to the Free Software
31  * Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
32  */
33 
34 #ifndef	_WAITDEFS_H
35 #define	_WAITDEFS_H
36 
37 #ifndef _MCONFIG_H
38 #include <mconfig.h>
39 #endif
40 
41 /*
42  * Needed for SysVr4
43  */
44 #ifndef	_INCL_SYS_TYPES_H
45 #include <sys/types.h>
46 #define	_INCL_SYS_TYPES_H
47 #endif
48 
49 #if	defined(HAVE_WAIT_H)
50 #	ifndef	_INCL_WAIT_H
51 #	include <wait.h>
52 #	define	_INCL_WAIT_H
53 #	endif
54 #else
55 /*
56  * K&R Compiler doesn't like #elif
57  */
58 #	if	defined(HAVE_SYS_WAIT_H)	/* POSIX.1 compl. sys/wait.h */
59 #	undef	HAVE_UNION_WAIT			/* POSIX.1 doesn't use U_W   */
60 #		ifndef	_INCL_SYS_WAIT_H
61 #		include <sys/wait.h>
62 #		define	_INCL_SYS_WAIT_H
63 #		endif
64 #	else
65 #	if	defined(HAVE_UNION_WAIT)	/* Pure BSD U_W / sys/wait.h */
66 #		ifndef	_INCL_SYS_WAIT_H
67 #		include <sys/wait.h>
68 #		define	_INCL_SYS_WAIT_H
69 #		endif
70 #	endif
71 #	endif
72 #endif
73 
74 #ifdef	__cplusplus
75 extern "C" {
76 #endif
77 
78 #ifdef HAVE_UNION_WAIT
79 #	define WAIT_T union wait
80 #	ifndef WSTOPPED
81 #		define	WSTOPPED	0x7F
82 #	endif
83 #	ifndef WTERMSIG
84 #		define WTERMSIG(status)		((status).w_termsig)
85 #	endif
86 #	ifndef WCOREDUMP
87 #		define WCOREDUMP(status)	((status).w_coredump)
88 #	endif
89 #	ifndef WEXITSTATUS
90 #		define WEXITSTATUS(status)	((status).w_retcode)
91 #	endif
92 #	ifndef WSTOPSIG
93 #		define WSTOPSIG(status)		((status).w_stopsig)
94 #	endif
95 #	ifndef WIFSTOPPED
96 #		define WIFSTOPPED(status)	((status).w_stopval == \
97 								WSTOPPED)
98 #	endif
99 #	ifndef WIFSIGNALED
100 #		define WIFSIGNALED(status) 	((status).w_stopval != \
101 						WSTOPPED && \
102 						(status).w_termsig != 0)
103 #	endif
104 #	ifndef WIFEXITED
105 #		define WIFEXITED(status)	((status).w_stopval != \
106 						WSTOPPED && \
107 						(status).w_termsig == 0)
108 #	endif
109 #else
110 #	define WAIT_T int
111 #	ifndef WTERMSIG
112 #		define WTERMSIG(status)		((status) & 0x7F)
113 #	endif
114 #	ifndef WCOREDUMP
115 #		define WCOREDUMP(status)	((status) & 0x80)
116 #	endif
117 #	ifndef WEXITSTATUS
118 #		define WEXITSTATUS(status)	(((status) >> 8) & 0xFF)
119 #	endif
120 #	ifndef WSTOPSIG
121 #		define WSTOPSIG(status)		(((status) >> 8) & 0xFF)
122 #	endif
123 #	ifndef WIFSTOPPED
124 #		define	WIFSTOPPED(status)	(((status) & 0xFF) == 0x7F)
125 #	endif
126 #	ifndef WIFSIGNALED
127 #		define	WIFSIGNALED(status)	(((status) & 0xFF) != 0x7F && \
128 						WTERMSIG(status) != 0)
129 #	endif
130 #	ifndef WIFEXITED
131 #		define	WIFEXITED(status)	(((status) & 0xFF) == 0)
132 #	endif
133 #endif
134 
135 
136 #ifndef	WCOREFLG
137 #define	WCOREFLG	0x80
138 #endif
139 
140 #ifndef	WSTOPFLG
141 #define	WSTOPFLG	0x7F
142 #endif
143 
144 #ifndef	WCONTFLG
145 #define	WCONTFLG	0xFFFF
146 #endif
147 
148 #ifdef	__cplusplus
149 }
150 #endif
151 
152 #endif	/* _WAITDEFS_H */
153