1 |
root |
1.13 |
dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
2 |
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dnl but that header isn't very portable... |
3 |
root |
1.17 |
AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
4 |
root |
1.13 |
|
5 |
root |
1.2 |
AC_SEARCH_LIBS( |
6 |
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pthread_create, |
7 |
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[pthread pthreads pthreadVC2], |
8 |
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, |
9 |
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[AC_MSG_ERROR(pthread functions not found)] |
10 |
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) |
11 |
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|
12 |
root |
1.22 |
AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
13 |
root |
1.11 |
#include <sys/types.h> |
14 |
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#include <sys/time.h> |
15 |
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#include <utime.h> |
16 |
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struct timeval tv[2]; |
17 |
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int res; |
18 |
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int main (void) |
19 |
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{ |
20 |
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res = utimes ("/", tv); |
21 |
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return 0; |
22 |
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} |
23 |
root |
1.22 |
]])],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
24 |
root |
1.11 |
test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
25 |
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|
26 |
root |
1.22 |
AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
27 |
root |
1.1 |
#include <sys/types.h> |
28 |
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#include <sys/time.h> |
29 |
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#include <utime.h> |
30 |
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struct timeval tv[2]; |
31 |
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int res; |
32 |
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int fd; |
33 |
root |
1.10 |
int main (void) |
34 |
root |
1.1 |
{ |
35 |
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res = futimes (fd, tv); |
36 |
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return 0; |
37 |
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} |
38 |
root |
1.22 |
]])],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
39 |
root |
1.1 |
test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
40 |
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|
41 |
root |
1.21 |
AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
42 |
root |
1.1 |
#include <fcntl.h> |
43 |
root |
1.10 |
int main (void) |
44 |
root |
1.1 |
{ |
45 |
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int fd = 0; |
46 |
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size_t count = 2; |
47 |
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ssize_t res; |
48 |
root |
1.5 |
res = readahead (fd, 0, count); |
49 |
root |
1.1 |
return 0; |
50 |
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} |
51 |
root |
1.21 |
])],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
52 |
root |
1.1 |
test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
53 |
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54 |
root |
1.21 |
AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
55 |
root |
1.1 |
#include <unistd.h> |
56 |
root |
1.10 |
int main (void) |
57 |
root |
1.1 |
{ |
58 |
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int fd = 0; |
59 |
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fdatasync (fd); |
60 |
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return 0; |
61 |
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} |
62 |
root |
1.21 |
])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
63 |
root |
1.1 |
test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
64 |
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65 |
root |
1.21 |
AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
66 |
root |
1.1 |
# include <sys/types.h> |
67 |
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#if __linux |
68 |
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# include <sys/sendfile.h> |
69 |
root |
1.9 |
#elif __FreeBSD__ || defined __APPLE__ |
70 |
root |
1.1 |
# include <sys/socket.h> |
71 |
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# include <sys/uio.h> |
72 |
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#elif __hpux |
73 |
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# include <sys/socket.h> |
74 |
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#else |
75 |
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# error unsupported architecture |
76 |
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#endif |
77 |
root |
1.10 |
int main (void) |
78 |
root |
1.1 |
{ |
79 |
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int fd = 0; |
80 |
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off_t offset = 1; |
81 |
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size_t count = 2; |
82 |
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ssize_t res; |
83 |
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#if __linux |
84 |
root |
1.24 |
res = sendfile (fd, fd, &offset, count); |
85 |
root |
1.9 |
#elif __FreeBSD__ |
86 |
root |
1.1 |
res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
87 |
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#elif __hpux |
88 |
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res = sendfile (fd, fd, offset, count, 0, 0); |
89 |
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#endif |
90 |
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return 0; |
91 |
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} |
92 |
root |
1.21 |
])],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
93 |
root |
1.1 |
test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
94 |
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|
95 |
root |
1.21 |
AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
96 |
root |
1.7 |
#include <fcntl.h> |
97 |
root |
1.10 |
int main (void) |
98 |
root |
1.7 |
{ |
99 |
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int fd = 0; |
100 |
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off64_t offset = 1; |
101 |
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off64_t nbytes = 1; |
102 |
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unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
103 |
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ssize_t res; |
104 |
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res = sync_file_range (fd, offset, nbytes, flags); |
105 |
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return 0; |
106 |
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} |
107 |
root |
1.21 |
])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
108 |
root |
1.7 |
test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
109 |
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|
110 |
root |
1.21 |
AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
111 |
root |
1.14 |
#include <fcntl.h> |
112 |
|
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int main (void) |
113 |
|
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{ |
114 |
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int fd = 0; |
115 |
root |
1.15 |
int mode = 0; |
116 |
root |
1.14 |
off_t offset = 1; |
117 |
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off_t len = 1; |
118 |
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int res; |
119 |
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res = fallocate (fd, mode, offset, len); |
120 |
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return 0; |
121 |
|
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} |
122 |
root |
1.21 |
])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
123 |
root |
1.18 |
test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) |
124 |
root |
1.14 |
|
125 |
root |
1.21 |
AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
126 |
root |
1.16 |
#include <unistd.h> |
127 |
|
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#include <sys/syscall.h> |
128 |
|
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int main (void) |
129 |
|
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{ |
130 |
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int res = syscall (__NR_syncfs, (int)0); |
131 |
|
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} |
132 |
root |
1.21 |
])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
133 |
root |
1.16 |
test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
134 |
|
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|
135 |
root |
1.21 |
AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
136 |
root |
1.17 |
#include <sys/prctl.h> |
137 |
|
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int main (void) |
138 |
|
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{ |
139 |
root |
1.24 |
char *name = "test123"; |
140 |
root |
1.17 |
int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
141 |
|
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} |
142 |
root |
1.21 |
])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
143 |
root |
1.17 |
test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
144 |
|
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|
145 |
root |
1.12 |
dnl ############################################################################# |
146 |
|
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dnl # these checks exist for the benefit of IO::AIO |
147 |
|
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|
148 |
root |
1.28 |
AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
149 |
|
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#include <sys/time.h> |
150 |
|
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#include <sys/resource.h> |
151 |
|
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int res; |
152 |
|
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int main (void) |
153 |
|
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{ |
154 |
|
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struct rlimit srl; |
155 |
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srl.rlim_cur = srl.rlim_max = RLIM_INFINITY; |
156 |
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res = getrlimit (RLIMIT_NOFILE, &srl); |
157 |
|
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res = setrlimit (RLIMIT_NOFILE, &srl); |
158 |
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return 0; |
159 |
|
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} |
160 |
|
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]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)]) |
161 |
|
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test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available) |
162 |
|
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|
163 |
root |
1.12 |
dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
164 |
|
|
dnl functionality actually being present. ugh. |
165 |
root |
1.21 |
AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
166 |
root |
1.12 |
#include <sys/mman.h> |
167 |
|
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int main (void) |
168 |
|
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{ |
169 |
|
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int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
170 |
|
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int a = POSIX_MADV_SEQUENTIAL; |
171 |
|
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int b = POSIX_MADV_RANDOM; |
172 |
|
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int c = POSIX_MADV_WILLNEED; |
173 |
|
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int d = POSIX_MADV_DONTNEED; |
174 |
|
|
return 0; |
175 |
|
|
} |
176 |
root |
1.21 |
])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
177 |
root |
1.12 |
test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
178 |
|
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|
179 |
root |
1.21 |
AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
180 |
root |
1.12 |
#define _XOPEN_SOURCE 600 |
181 |
|
|
#include <fcntl.h> |
182 |
|
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int main (void) |
183 |
|
|
{ |
184 |
|
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int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
185 |
|
|
int a = POSIX_FADV_SEQUENTIAL; |
186 |
|
|
int b = POSIX_FADV_NOREUSE; |
187 |
|
|
int c = POSIX_FADV_RANDOM; |
188 |
|
|
int d = POSIX_FADV_WILLNEED; |
189 |
|
|
int e = POSIX_FADV_DONTNEED; |
190 |
|
|
return 0; |
191 |
|
|
} |
192 |
root |
1.21 |
])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
193 |
root |
1.12 |
test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
194 |
|
|
|
195 |
root |
1.18 |
dnl lots of linux specifics |
196 |
|
|
AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
197 |
|
|
|
198 |
root |
1.21 |
AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
199 |
root |
1.18 |
#include <fcntl.h> |
200 |
|
|
int main (void) |
201 |
|
|
{ |
202 |
|
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ssize_t res; |
203 |
|
|
res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
204 |
|
|
res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
205 |
|
|
res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
206 |
|
|
return 0; |
207 |
|
|
} |
208 |
root |
1.21 |
])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
209 |
root |
1.18 |
test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
210 |
|
|
|
211 |
root |
1.23 |
AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
212 |
|
|
#include <fcntl.h> |
213 |
|
|
#include <unistd.h> |
214 |
|
|
int res; |
215 |
|
|
int main (void) |
216 |
|
|
{ |
217 |
|
|
res = pipe2 (0, 0); |
218 |
|
|
return 0; |
219 |
|
|
} |
220 |
|
|
]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
221 |
|
|
test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
222 |
|
|
|
223 |
root |
1.24 |
AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
224 |
|
|
#include <unistd.h> |
225 |
|
|
#include <sys/syscall.h> |
226 |
|
|
#include <linux/fs.h> |
227 |
|
|
int res; |
228 |
|
|
int main (void) |
229 |
|
|
{ |
230 |
|
|
res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE); |
231 |
|
|
return 0; |
232 |
|
|
} |
233 |
|
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]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)]) |
234 |
|
|
test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available) |
235 |
|
|
|
236 |
root |
1.26 |
AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
237 |
root |
1.25 |
#include <unistd.h> |
238 |
|
|
#include <sys/syscall.h> |
239 |
root |
1.26 |
/*#include <linux/copy.h>*/ |
240 |
root |
1.25 |
int res; |
241 |
|
|
int main (void) |
242 |
|
|
{ |
243 |
root |
1.26 |
/*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
244 |
|
|
res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
245 |
root |
1.25 |
return 0; |
246 |
|
|
} |
247 |
root |
1.26 |
]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
248 |
root |
1.27 |
test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
249 |
root |
1.25 |
|