OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-old/] [gdb-7.1/] [gdb/] [gdb_wait.h] - Blame information for rev 842

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 227 jeremybenn
/* Standard wait macros.
2
   Copyright (C) 2000, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
3
 
4
   This file is part of GDB.
5
 
6
   This program is free software; you can redistribute it and/or modify
7
   it under the terms of the GNU General Public License as published by
8
   the Free Software Foundation; either version 3 of the License, or
9
   (at your option) any later version.
10
 
11
   This program is distributed in the hope that it will be useful,
12
   but WITHOUT ANY WARRANTY; without even the implied warranty of
13
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14
   GNU General Public License for more details.
15
 
16
   You should have received a copy of the GNU General Public License
17
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
18
 
19
#ifndef GDB_WAIT_H
20
#define GDB_WAIT_H
21
 
22
#ifdef HAVE_SYS_WAIT_H
23
#include <sys/wait.h> /* POSIX */
24
#else
25
#ifdef HAVE_WAIT_H
26
#include <wait.h> /* legacy */
27
#endif
28
#endif
29
 
30
/* Define how to access the int that the wait system call stores.
31
   This has been compatible in all Unix systems since time immemorial,
32
   but various well-meaning people have defined various different
33
   words for the same old bits in the same old int (sometimes claimed
34
   to be a struct).  We just know it's an int and we use these macros
35
   to access the bits.  */
36
 
37
/* The following macros are defined equivalently to their definitions
38
   in POSIX.1.  We fail to define WNOHANG and WUNTRACED, which POSIX.1
39
   <sys/wait.h> defines, since our code does not use waitpid() (but
40
   NOTE exception for GNU/Linux below).  We also fail to declare
41
   wait() and waitpid().  */
42
 
43
#ifndef WIFEXITED
44
#define WIFEXITED(w)    (((w)&0377) == 0)
45
#endif
46
 
47
#ifndef WIFSIGNALED
48
#define WIFSIGNALED(w)  (((w)&0377) != 0177 && ((w)&~0377) == 0)
49
#endif
50
 
51
#ifndef WIFSTOPPED
52
#ifdef IBM6000
53
 
54
/* Unfortunately, the above comment (about being compatible in all Unix
55
   systems) is not quite correct for AIX, sigh.  And AIX 3.2 can generate
56
   status words like 0x57c (sigtrap received after load), and gdb would
57
   choke on it. */
58
 
59
#define WIFSTOPPED(w)   ((w)&0x40)
60
 
61
#else
62
#define WIFSTOPPED(w)   (((w)&0377) == 0177)
63
#endif
64
#endif
65
 
66
#ifndef WEXITSTATUS
67
#define WEXITSTATUS(w)  (((w) >> 8) & 0377) /* same as WRETCODE */
68
#endif
69
 
70
#ifndef WTERMSIG
71
#define WTERMSIG(w)     ((w) & 0177)
72
#endif
73
 
74
#ifndef WSTOPSIG
75
#define WSTOPSIG        WEXITSTATUS
76
#endif
77
 
78
/* These are not defined in POSIX, but are used by our programs.  */
79
 
80
#define WAITTYPE        int
81
 
82
#ifndef WCOREDUMP
83
#define WCOREDUMP(w)    (((w)&0200) != 0)
84
#endif
85
 
86
#ifndef WSETEXIT
87
# ifdef W_EXITCODE
88
#define WSETEXIT(w,status) ((w) = W_EXITCODE(status,0))
89
# else
90
#define WSETEXIT(w,status) ((w) = (0 | ((status) << 8)))
91
# endif
92
#endif
93
 
94
#ifndef WSETSTOP
95
# ifdef W_STOPCODE
96
#define WSETSTOP(w,sig)    ((w) = W_STOPCODE(sig))
97
# else
98
#define WSETSTOP(w,sig)    ((w) = (0177 | ((sig) << 8)))
99
# endif
100
#endif
101
 
102
/* For native GNU/Linux we may use waitpid and the __WCLONE option.
103
  <GRIPE> It is of course dangerous not to use the REAL header file...
104
  </GRIPE>.  */
105
 
106
/* Bits in the third argument to `waitpid'.  */
107
#ifndef WNOHANG
108
#define WNOHANG         1       /* Don't block waiting.  */
109
#endif
110
 
111
#ifndef WUNTRACED
112
#define WUNTRACED       2       /* Report status of stopped children.  */
113
#endif
114
 
115
#ifndef __WCLONE
116
#define __WCLONE        0x80000000 /* Wait for cloned process.  */
117
#endif
118
 
119
#endif

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.