source: trunk/gsdl/lib/gsdlconf.h@ 1167

Last change on this file since 1167 was 1167, checked in by sjboddie, 24 years ago

fixed compiler error - some compilers need LK_UNLCK instead of LK_UNLOCK

  • Property svn:executable set to *
  • Property svn:keywords set to Author Date Id Revision
File size: 3.7 KB
Line 
1/**********************************************************************
2 *
3 * gsdlconf.h -- system specific includes
4 * Copyright (C) 1999 The New Zealand Digital Library Project
5 *
6 * A component of the Greenstone digital library software
7 * from the New Zealand Digital Library Project at the
8 * University of Waikato, New Zealand.
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
23 *
24 * $Id: gsdlconf.h 1167 2000-05-10 04:52:47Z sjboddie $
25 *
26 *********************************************************************/
27
28
29#ifndef GSDLCONF_H
30#define GSDLCONF_H
31
32#if defined(__WIN32__)
33#include "../win32cfg.h"
34#else
35#include "../config.h"
36#endif
37
38// Note: all macros used in the gsdl software (except the _H macros) should
39// now start with GSDL_
40
41// GSDL_NEED_STRINGS_H should be defined if some string functions
42// needed (like strcasecmp) are in strings.h
43#if defined(__IBMCPP__)
44# define GSDL_NEED_STRINGS_H
45#endif
46
47// GSDL_USE_IOS_H should be defined if the .h extension needs to
48// be used for the io stream headers
49#if defined(__GNUG__) || defined(__IBMCPP__)
50# define GSDL_USE_IOS_H 1
51#endif
52
53// GSDL_USE_STL_H should be defined if the .h extension needs to
54// be used for the stl header files
55#if defined(__IBMCPP__)
56# define GSDL_USE_STL_H 1
57#endif
58
59// GSDL_USE_ALGO_H should be defined if algo.h should be used
60// instead of algorithm.h
61#if defined(__IBMCPP__)
62# define GSDL_USE_ALGO_H 1
63#endif
64
65// GSDL_NAMESPACE_BROKEN should be defined if namespaces should
66// not be used
67#if defined(__GNUG__) || defined(__IBMCPP__)
68# define GSDL_NAMESPACE_BROKEN 1
69#endif
70
71// GSDL_USE_OBJECTSPACE should now be used instead of USE_OBJECTSPACE
72#if defined(USE_OBJECTSPACE)
73# define GSDL_USE_OBJECTSPACE
74#endif
75
76// GSDL_NEED_DESTROY_USHORT should be defined if the compiler needs
77// a definition for void destroy(short unsigned int *)
78#if defined(__IBMCPP__)
79# define GSDL_NEED_DESTROY_USHORT
80#endif
81
82
83// file locking
84
85#if defined(__WIN32__)
86#include <io.h>
87#include <sys/locking.h>
88#if defined(__GNUC__)
89#define GSDL_GET_FILEDESC(str) str.filedesc()
90#else
91#define GSDL_GET_FILEDESC(str) str.fd()
92#endif
93#if !defined(LK_UNLOCK) && defined(LK_UNLCK)
94#define LK_UNLOCK LK_UNLCK
95#endif
96#define GSDL_UNLOCK_FILE(fd) _locking(fd, LK_UNLOCK, 200)
97#define GSDL_LOCK_FILE(fd) lock_val = _locking(fd, LK_NBLCK, 200)
98
99#else
100#define GSDL_GET_FILEDESC(str) str.filedesc()
101
102#if GSDL_USE_FLOCK
103#include <sys/lock.h>
104
105#ifndef LOCK_SH
106#define LOCK_SH 1
107#endif
108
109#ifndef LOCK_EX
110#define LOCK_EX 2
111#endif
112
113#ifndef LOCK_NB
114#define LOCK_NB 4
115#endif
116
117#ifndef LOCK_UN
118#define LOCK_UN 8
119#endif
120
121#define GSDL_UNLOCK_FILE(fd) flock (fd, LOCK_UN)
122#define GSDL_LOCK_FILE(fd) lock_val = flock (fd, LOCK_EX + LOCK_NB)
123
124#else
125// use fcntl
126#include <fcntl.h>
127#define GSDL_UNLOCK_FILE(fd) \
128 { \
129 struct flock flock; \
130 flock.l_type = F_UNLCK; \
131 flock.l_whence = SEEK_SET; \
132 flock.l_start = flock.l_len = 0L; \
133 fcntl (fd, F_SETLK, &flock); \
134 }
135#define GSDL_LOCK_FILE(fd) \
136 { \
137 struct flock flock; \
138 flock.l_type = F_WRLCK; \
139 flock.l_whence = SEEK_SET; \
140 flock.l_start = flock.l_len = 0L; \
141 lock_val = fcntl (fd, F_SETLK, &flock); \
142 }
143
144#endif
145#endif
146
147#endif
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