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authorTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 (GMT)
committerTon Voon <tonvoon@users.sourceforge.net>2007-01-24 22:47:25 (GMT)
commitfe856aa957978504137c1d425815d4ed8a22be40 (patch)
treea5bb46ce0e64b2056f75700eadbf27aba7c39418 /gl/m4/fsusage.m4
parent210f39bc84cfbb21cd72dc054e43f13815ee0616 (diff)
downloadmonitoring-plugins-fe856aa957978504137c1d425815d4ed8a22be40.tar.gz
Sync with gnulib - lots of extraneous code removed in preference to GNU code
git-svn-id: https://nagiosplug.svn.sourceforge.net/svnroot/nagiosplug/nagiosplug/trunk@1580 f882894a-f735-0410-b71e-b25c423dba1c
Diffstat (limited to 'gl/m4/fsusage.m4')
-rw-r--r--gl/m4/fsusage.m4265
1 files changed, 265 insertions, 0 deletions
diff --git a/gl/m4/fsusage.m4 b/gl/m4/fsusage.m4
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1#serial 22
2# Obtaining file system usage information.
3
4# Copyright (C) 1997, 1998, 2000, 2001, 2003, 2004, 2005, 2006 Free Software
5# Foundation, Inc.
6#
7# This file is free software; the Free Software Foundation
8# gives unlimited permission to copy and/or distribute it,
9# with or without modifications, as long as this notice is preserved.
10
11# Written by Jim Meyering.
12
13AC_DEFUN([gl_FSUSAGE],
14[
15 AC_CHECK_HEADERS_ONCE(sys/param.h)
16 AC_CHECK_HEADERS_ONCE(sys/vfs.h sys/fs_types.h)
17 AC_CHECK_HEADERS(sys/mount.h, [], [],
18 [AC_INCLUDES_DEFAULT
19 [#if HAVE_SYS_PARAM_H
20 #include <sys/param.h>
21 #endif]])
22 gl_FILE_SYSTEM_USAGE([gl_cv_fs_space=yes], [gl_cv_fs_space=no])
23 if test $gl_cv_fs_space = yes; then
24 AC_LIBOBJ(fsusage)
25 gl_PREREQ_FSUSAGE_EXTRA
26 fi
27])
28
29# Try to determine how a program can obtain file system usage information.
30# If successful, define the appropriate symbol (see fsusage.c) and
31# execute ACTION-IF-FOUND. Otherwise, execute ACTION-IF-NOT-FOUND.
32#
33# gl_FILE_SYSTEM_USAGE([ACTION-IF-FOUND[, ACTION-IF-NOT-FOUND]])
34
35AC_DEFUN([gl_FILE_SYSTEM_USAGE],
36[
37
38AC_MSG_NOTICE([checking how to get file system space usage])
39ac_fsusage_space=no
40
41# Perform only the link test since it seems there are no variants of the
42# statvfs function. This check is more than just AC_CHECK_FUNCS(statvfs)
43# because that got a false positive on SCO OSR5. Adding the declaration
44# of a `struct statvfs' causes this test to fail (as it should) on such
45# systems. That system is reported to work fine with STAT_STATFS4 which
46# is what it gets when this test fails.
47if test $ac_fsusage_space = no; then
48 # SVR4
49 AC_CACHE_CHECK([for statvfs function (SVR4)], fu_cv_sys_stat_statvfs,
50 [AC_TRY_LINK([#include <sys/types.h>
51#if defined __GLIBC__ && !defined __BEOS__
52Do not use statvfs on systems with GNU libc, because that function stats
53all preceding entries in /proc/mounts, and that makes df hang if even
54one of the corresponding file systems is hard-mounted, but not available.
55statvfs in GNU libc on BeOS operates differently: it only makes a system
56call.
57#endif
58#include <sys/statvfs.h>],
59 [struct statvfs fsd; statvfs (0, &fsd);],
60 fu_cv_sys_stat_statvfs=yes,
61 fu_cv_sys_stat_statvfs=no)])
62 if test $fu_cv_sys_stat_statvfs = yes; then
63 ac_fsusage_space=yes
64 AC_DEFINE(STAT_STATVFS, 1,
65 [ Define if there is a function named statvfs. (SVR4)])
66 fi
67fi
68
69if test $ac_fsusage_space = no; then
70 # DEC Alpha running OSF/1
71 AC_MSG_CHECKING([for 3-argument statfs function (DEC OSF/1)])
72 AC_CACHE_VAL(fu_cv_sys_stat_statfs3_osf1,
73 [AC_TRY_RUN([
74#include <sys/param.h>
75#include <sys/types.h>
76#include <sys/mount.h>
77 int
78 main ()
79 {
80 struct statfs fsd;
81 fsd.f_fsize = 0;
82 return statfs (".", &fsd, sizeof (struct statfs)) != 0;
83 }],
84 fu_cv_sys_stat_statfs3_osf1=yes,
85 fu_cv_sys_stat_statfs3_osf1=no,
86 fu_cv_sys_stat_statfs3_osf1=no)])
87 AC_MSG_RESULT($fu_cv_sys_stat_statfs3_osf1)
88 if test $fu_cv_sys_stat_statfs3_osf1 = yes; then
89 ac_fsusage_space=yes
90 AC_DEFINE(STAT_STATFS3_OSF1, 1,
91 [ Define if statfs takes 3 args. (DEC Alpha running OSF/1)])
92 fi
93fi
94
95if test $ac_fsusage_space = no; then
96# AIX
97 AC_MSG_CHECKING([for two-argument statfs with statfs.bsize dnl
98member (AIX, 4.3BSD)])
99 AC_CACHE_VAL(fu_cv_sys_stat_statfs2_bsize,
100 [AC_TRY_RUN([
101#ifdef HAVE_SYS_PARAM_H
102#include <sys/param.h>
103#endif
104#ifdef HAVE_SYS_MOUNT_H
105#include <sys/mount.h>
106#endif
107#ifdef HAVE_SYS_VFS_H
108#include <sys/vfs.h>
109#endif
110 int
111 main ()
112 {
113 struct statfs fsd;
114 fsd.f_bsize = 0;
115 return statfs (".", &fsd) != 0;
116 }],
117 fu_cv_sys_stat_statfs2_bsize=yes,
118 fu_cv_sys_stat_statfs2_bsize=no,
119 fu_cv_sys_stat_statfs2_bsize=no)])
120 AC_MSG_RESULT($fu_cv_sys_stat_statfs2_bsize)
121 if test $fu_cv_sys_stat_statfs2_bsize = yes; then
122 ac_fsusage_space=yes
123 AC_DEFINE(STAT_STATFS2_BSIZE, 1,
124[ Define if statfs takes 2 args and struct statfs has a field named f_bsize.
125 (4.3BSD, SunOS 4, HP-UX, AIX PS/2)])
126 fi
127fi
128
129if test $ac_fsusage_space = no; then
130# SVR3
131 AC_MSG_CHECKING([for four-argument statfs (AIX-3.2.5, SVR3)])
132 AC_CACHE_VAL(fu_cv_sys_stat_statfs4,
133 [AC_TRY_RUN([#include <sys/types.h>
134#include <sys/statfs.h>
135 int
136 main ()
137 {
138 struct statfs fsd;
139 return statfs (".", &fsd, sizeof fsd, 0) != 0;
140 }],
141 fu_cv_sys_stat_statfs4=yes,
142 fu_cv_sys_stat_statfs4=no,
143 fu_cv_sys_stat_statfs4=no)])
144 AC_MSG_RESULT($fu_cv_sys_stat_statfs4)
145 if test $fu_cv_sys_stat_statfs4 = yes; then
146 ac_fsusage_space=yes
147 AC_DEFINE(STAT_STATFS4, 1,
148 [ Define if statfs takes 4 args. (SVR3, Dynix, Irix, Dolphin)])
149 fi
150fi
151
152if test $ac_fsusage_space = no; then
153# 4.4BSD and NetBSD
154 AC_MSG_CHECKING([for two-argument statfs with statfs.fsize dnl
155member (4.4BSD and NetBSD)])
156 AC_CACHE_VAL(fu_cv_sys_stat_statfs2_fsize,
157 [AC_TRY_RUN([#include <sys/types.h>
158#ifdef HAVE_SYS_PARAM_H
159#include <sys/param.h>
160#endif
161#ifdef HAVE_SYS_MOUNT_H
162#include <sys/mount.h>
163#endif
164 int
165 main ()
166 {
167 struct statfs fsd;
168 fsd.f_fsize = 0;
169 return statfs (".", &fsd) != 0;
170 }],
171 fu_cv_sys_stat_statfs2_fsize=yes,
172 fu_cv_sys_stat_statfs2_fsize=no,
173 fu_cv_sys_stat_statfs2_fsize=no)])
174 AC_MSG_RESULT($fu_cv_sys_stat_statfs2_fsize)
175 if test $fu_cv_sys_stat_statfs2_fsize = yes; then
176 ac_fsusage_space=yes
177 AC_DEFINE(STAT_STATFS2_FSIZE, 1,
178[ Define if statfs takes 2 args and struct statfs has a field named f_fsize.
179 (4.4BSD, NetBSD)])
180 fi
181fi
182
183if test $ac_fsusage_space = no; then
184 # Ultrix
185 AC_MSG_CHECKING([for two-argument statfs with struct fs_data (Ultrix)])
186 AC_CACHE_VAL(fu_cv_sys_stat_fs_data,
187 [AC_TRY_RUN([#include <sys/types.h>
188#ifdef HAVE_SYS_PARAM_H
189#include <sys/param.h>
190#endif
191#ifdef HAVE_SYS_MOUNT_H
192#include <sys/mount.h>
193#endif
194#ifdef HAVE_SYS_FS_TYPES_H
195#include <sys/fs_types.h>
196#endif
197 int
198 main ()
199 {
200 struct fs_data fsd;
201 /* Ultrix's statfs returns 1 for success,
202 0 for not mounted, -1 for failure. */
203 return statfs (".", &fsd) != 1;
204 }],
205 fu_cv_sys_stat_fs_data=yes,
206 fu_cv_sys_stat_fs_data=no,
207 fu_cv_sys_stat_fs_data=no)])
208 AC_MSG_RESULT($fu_cv_sys_stat_fs_data)
209 if test $fu_cv_sys_stat_fs_data = yes; then
210 ac_fsusage_space=yes
211 AC_DEFINE(STAT_STATFS2_FS_DATA, 1,
212[ Define if statfs takes 2 args and the second argument has
213 type struct fs_data. (Ultrix)])
214 fi
215fi
216
217if test $ac_fsusage_space = no; then
218 # SVR2
219 AC_TRY_CPP([#include <sys/filsys.h>
220 ],
221 AC_DEFINE(STAT_READ_FILSYS, 1,
222 [Define if there is no specific function for reading file systems usage
223 information and you have the <sys/filsys.h> header file. (SVR2)])
224 ac_fsusage_space=yes)
225fi
226
227AS_IF([test $ac_fsusage_space = yes], [$1], [$2])
228
229])
230
231
232# Check for SunOS statfs brokenness wrt partitions 2GB and larger.
233# If <sys/vfs.h> exists and struct statfs has a member named f_spare,
234# enable the work-around code in fsusage.c.
235AC_DEFUN([gl_STATFS_TRUNCATES],
236[
237 AC_MSG_CHECKING([for statfs that truncates block counts])
238 AC_CACHE_VAL(fu_cv_sys_truncating_statfs,
239 [AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[
240#if !defined(sun) && !defined(__sun)
241choke -- this is a workaround for a Sun-specific problem
242#endif
243#include <sys/types.h>
244#include <sys/vfs.h>]],
245 [[struct statfs t; long c = *(t.f_spare);
246 if (c) return 0;]])],
247 [fu_cv_sys_truncating_statfs=yes],
248 [fu_cv_sys_truncating_statfs=no])])
249 if test $fu_cv_sys_truncating_statfs = yes; then
250 AC_DEFINE(STATFS_TRUNCATES_BLOCK_COUNTS, 1,
251 [Define if the block counts reported by statfs may be truncated to 2GB
252 and the correct values may be stored in the f_spare array.
253 (SunOS 4.1.2, 4.1.3, and 4.1.3_U1 are reported to have this problem.
254 SunOS 4.1.1 seems not to be affected.)])
255 fi
256 AC_MSG_RESULT($fu_cv_sys_truncating_statfs)
257])
258
259
260# Prerequisites of lib/fsusage.c not done by gl_FILE_SYSTEM_USAGE.
261AC_DEFUN([gl_PREREQ_FSUSAGE_EXTRA],
262[
263 AC_CHECK_HEADERS(dustat.h sys/fs/s5param.h sys/filsys.h sys/statfs.h)
264 gl_STATFS_TRUNCATES
265])