xref: /illumos-gate/usr/src/uts/common/sys/wait.h (revision 71269a2275bf5a143dad6461eee2710a344e7261)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License, Version 1.0 only
6  * (the "License").  You may not use this file except in compliance
7  * with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 /*	Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T	*/
23 /*	  All Rights Reserved  	*/
24 
25 
26 /*
27  * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
28  * Use is subject to license terms.
29  */
30 
31 #ifndef _SYS_WAIT_H
32 #define	_SYS_WAIT_H
33 
34 #pragma ident	"%Z%%M%	%I%	%E% SMI"	/* SVr4.0 1.10 */
35 
36 #include <sys/feature_tests.h>
37 
38 #include <sys/types.h>
39 
40 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
41 #include <sys/resource.h>	/* Added for XSH4.2 */
42 #include <sys/siginfo.h>
43 #include <sys/procset.h>
44 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
45 
46 #ifdef	__cplusplus
47 extern "C" {
48 #endif
49 
50 /*
51  * arguments to wait functions
52  */
53 
54 #define	WUNTRACED	0004	/* wait for processes stopped by signals */
55 #define	WNOHANG		0100	/* non blocking form of wait	*/
56 
57 
58 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
59 #define	WEXITED		0001	/* wait for processes that have exited	*/
60 #define	WTRAPPED	0002	/* wait for processes stopped while tracing */
61 #define	WSTOPPED	WUNTRACED /* backwards compatibility */
62 #define	WCONTINUED	0010	/* wait for processes continued */
63 #define	WNOWAIT		0200	/* non destructive form of wait */
64 #define	WOPTMASK (WEXITED|WTRAPPED|WSTOPPED|WCONTINUED|WNOHANG|WNOWAIT)
65 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
66 
67 /*
68  * macros for stat return from wait functions
69  */
70 
71 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
72 
73 #define	WSTOPFLG		0177
74 #define	WCONTFLG		0177777
75 #define	WCOREFLG		0200
76 #define	WSIGMASK		0177
77 
78 #define	WLOBYTE(stat)		((int)((stat)&0377))
79 #define	WHIBYTE(stat)		((int)(((stat)>>8)&0377))
80 #define	WWORD(stat)		((int)((stat))&0177777)
81 
82 #define	WIFCONTINUED(stat)	(WWORD(stat) == WCONTFLG)
83 #define	WCOREDUMP(stat)		((stat)&WCOREFLG)
84 
85 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
86 
87 #define	WIFEXITED(stat)		((int)((stat)&0xFF) == 0)
88 #define	WIFSIGNALED(stat)	((int)((stat)&0xFF) > 0 && \
89 				    (int)((stat)&0xFF00) == 0)
90 #define	WIFSTOPPED(stat)	((int)((stat)&0xFF) == 0177 && \
91 				    (int)((stat)&0xFF00) != 0)
92 #define	WEXITSTATUS(stat)	((int)(((stat)>>8)&0xFF))
93 #define	WTERMSIG(stat)		((int)((stat)&0x7F))
94 #define	WSTOPSIG(stat)		((int)(((stat)>>8)&0xFF))
95 
96 
97 #if !defined(_KERNEL)
98 #if defined(__STDC__)
99 
100 extern pid_t wait(int *);
101 extern pid_t waitpid(pid_t, int *, int);
102 
103 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
104 extern int waitid(idtype_t, id_t, siginfo_t *, int);
105 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
106 #if !defined(_XPG6) || defined(__EXTENSIONS__)
107 extern pid_t wait3(int *, int, struct rusage *);
108 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
109 #endif /* !defined(__XOPEN_OR_POSIX) || (defined(_XPG4_2) ... */
110 
111 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
112 extern pid_t wait4(pid_t, int *, int, struct rusage *);
113 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
114 
115 #else /* __STDC__ */
116 
117 extern pid_t wait();
118 extern pid_t waitpid();
119 #if !defined(__XOPEN_OR_POSIX) || defined(_XPG4_2) || defined(__EXTENSIONS__)
120 extern int waitid();
121 /* Marked as LEGACY in SUSv2 and removed in SUSv3 */
122 #if !defined(_XPG6) || defined(__EXTENSIONS__)
123 extern pid_t wait3();
124 #endif /* !defined(_XPG6) || defined(__EXTENSIONS__) */
125 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
126 
127 #if !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__)
128 extern pid_t wait4();
129 #endif /* !defined(__XOPEN_OR_POSIX) || defined(__EXTENSIONS__) */
130 
131 #endif	/* __STDC__ */
132 #endif	/* _KERNEL */
133 
134 #ifdef	__cplusplus
135 }
136 #endif
137 
138 #endif	/* _SYS_WAIT_H */
139