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1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
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2 | dnl but that header isn't very portable... |
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3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
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4 | |
1 | AC_SEARCH_LIBS( |
5 | AC_SEARCH_LIBS( |
2 | pthread_create, |
6 | pthread_create, |
3 | [pthread pthreads pthreadVC2], |
7 | [pthread pthreads pthreadVC2], |
4 | , |
8 | , |
5 | [AC_MSG_ERROR(pthread functions not found)] |
9 | [AC_MSG_ERROR(pthread functions not found)] |
6 | ) |
10 | ) |
7 | |
11 | |
8 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ |
12 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
9 | #include <sys/types.h> |
13 | #include <sys/types.h> |
10 | #include <sys/time.h> |
14 | #include <sys/time.h> |
11 | #include <utime.h> |
15 | #include <utime.h> |
12 | struct timeval tv[2]; |
16 | struct timeval tv[2]; |
13 | int res; |
17 | int res; |
14 | int main (void) |
18 | int main (void) |
15 | { |
19 | { |
16 | res = utimes ("/", tv); |
20 | res = utimes ("/", tv); |
17 | return 0; |
21 | return 0; |
18 | } |
22 | } |
19 | ]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
23 | ])],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
20 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
24 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
21 | |
25 | |
22 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
23 | #include <sys/types.h> |
27 | #include <sys/types.h> |
24 | #include <sys/time.h> |
28 | #include <sys/time.h> |
25 | #include <utime.h> |
29 | #include <utime.h> |
26 | struct timeval tv[2]; |
30 | struct timeval tv[2]; |
27 | int res; |
31 | int res; |
… | |
… | |
29 | int main (void) |
33 | int main (void) |
30 | { |
34 | { |
31 | res = futimes (fd, tv); |
35 | res = futimes (fd, tv); |
32 | return 0; |
36 | return 0; |
33 | } |
37 | } |
34 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
38 | ])],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
35 | test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
39 | test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
36 | |
40 | |
37 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
38 | #include <fcntl.h> |
42 | #include <fcntl.h> |
39 | int main (void) |
43 | int main (void) |
40 | { |
44 | { |
41 | int fd = 0; |
45 | int fd = 0; |
42 | size_t count = 2; |
46 | size_t count = 2; |
43 | ssize_t res; |
47 | ssize_t res; |
44 | res = readahead (fd, 0, count); |
48 | res = readahead (fd, 0, count); |
45 | return 0; |
49 | return 0; |
46 | } |
50 | } |
47 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
51 | ])],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
48 | test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
52 | test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
49 | |
53 | |
50 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
54 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
51 | #include <unistd.h> |
55 | #include <unistd.h> |
52 | int main (void) |
56 | int main (void) |
53 | { |
57 | { |
54 | int fd = 0; |
58 | int fd = 0; |
55 | fdatasync (fd); |
59 | fdatasync (fd); |
56 | return 0; |
60 | return 0; |
57 | } |
61 | } |
58 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
62 | ])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
59 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
63 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
60 | |
64 | |
61 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
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62 | #include <unistd.h> |
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63 | int main (void) |
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64 | { |
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65 | int fd = 0; |
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66 | size_t count = 1; |
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67 | char buf; |
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68 | off_t offset = 1; |
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69 | ssize_t res; |
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70 | res = pread (fd, &buf, count, offset); |
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71 | res = pwrite (fd, &buf, count, offset); |
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72 | return 0; |
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73 | } |
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74 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
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75 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
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76 | |
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77 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
65 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
78 | # include <sys/types.h> |
66 | # include <sys/types.h> |
79 | #if __linux |
67 | #if __linux |
80 | # include <sys/sendfile.h> |
68 | # include <sys/sendfile.h> |
81 | #elif __FreeBSD__ || defined __APPLE__ |
69 | #elif __FreeBSD__ || defined __APPLE__ |
82 | # include <sys/socket.h> |
70 | # include <sys/socket.h> |
… | |
… | |
99 | #elif __hpux |
87 | #elif __hpux |
100 | res = sendfile (fd, fd, offset, count, 0, 0); |
88 | res = sendfile (fd, fd, offset, count, 0, 0); |
101 | #endif |
89 | #endif |
102 | return 0; |
90 | return 0; |
103 | } |
91 | } |
104 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
92 | ])],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
105 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
93 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
106 | |
94 | |
107 | AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
95 | AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
108 | #include <fcntl.h> |
96 | #include <fcntl.h> |
109 | int main (void) |
97 | int main (void) |
110 | { |
98 | { |
111 | int fd = 0; |
99 | int fd = 0; |
112 | off64_t offset = 1; |
100 | off64_t offset = 1; |
… | |
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114 | unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
102 | unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
115 | ssize_t res; |
103 | ssize_t res; |
116 | res = sync_file_range (fd, offset, nbytes, flags); |
104 | res = sync_file_range (fd, offset, nbytes, flags); |
117 | return 0; |
105 | return 0; |
118 | } |
106 | } |
119 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
107 | ])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
120 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
108 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
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109 | |
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110 | AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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111 | #include <fcntl.h> |
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112 | int main (void) |
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113 | { |
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114 | int fd = 0; |
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115 | int mode = 0; |
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116 | off_t offset = 1; |
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117 | off_t len = 1; |
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118 | int res; |
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119 | res = fallocate (fd, mode, offset, len); |
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120 | return 0; |
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121 | } |
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122 | ])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
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123 | test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) |
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124 | |
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125 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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126 | #include <unistd.h> |
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127 | #include <sys/syscall.h> |
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128 | int main (void) |
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129 | { |
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130 | int res = syscall (__NR_syncfs, (int)0); |
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131 | } |
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132 | ])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
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133 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
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134 | |
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135 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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136 | #include <sys/prctl.h> |
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137 | int main (void) |
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138 | { |
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139 | char name[] = "test123"; |
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140 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
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141 | } |
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142 | ])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
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143 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
121 | |
144 | |
122 | dnl ############################################################################# |
145 | dnl ############################################################################# |
123 | dnl # these checks exist for the benefit of IO::AIO |
146 | dnl # these checks exist for the benefit of IO::AIO |
124 | |
147 | |
125 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
148 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
126 | dnl functionality actually being present. ugh. |
149 | dnl functionality actually being present. ugh. |
127 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
150 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
128 | #include <sys/mman.h> |
151 | #include <sys/mman.h> |
129 | int main (void) |
152 | int main (void) |
130 | { |
153 | { |
131 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
154 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
132 | int a = POSIX_MADV_SEQUENTIAL; |
155 | int a = POSIX_MADV_SEQUENTIAL; |
133 | int b = POSIX_MADV_RANDOM; |
156 | int b = POSIX_MADV_RANDOM; |
134 | int c = POSIX_MADV_WILLNEED; |
157 | int c = POSIX_MADV_WILLNEED; |
135 | int d = POSIX_MADV_DONTNEED; |
158 | int d = POSIX_MADV_DONTNEED; |
136 | return 0; |
159 | return 0; |
137 | } |
160 | } |
138 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
161 | ])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
139 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
162 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
140 | |
163 | |
141 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
164 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
142 | #define _XOPEN_SOURCE 600 |
165 | #define _XOPEN_SOURCE 600 |
143 | #include <fcntl.h> |
166 | #include <fcntl.h> |
144 | int main (void) |
167 | int main (void) |
145 | { |
168 | { |
146 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
169 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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149 | int c = POSIX_FADV_RANDOM; |
172 | int c = POSIX_FADV_RANDOM; |
150 | int d = POSIX_FADV_WILLNEED; |
173 | int d = POSIX_FADV_WILLNEED; |
151 | int e = POSIX_FADV_DONTNEED; |
174 | int e = POSIX_FADV_DONTNEED; |
152 | return 0; |
175 | return 0; |
153 | } |
176 | } |
154 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
177 | ])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
155 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
178 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
156 | |
179 | |
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180 | dnl lots of linux specifics |
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181 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
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182 | |
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183 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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184 | #include <fcntl.h> |
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185 | int main (void) |
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186 | { |
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187 | ssize_t res; |
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188 | res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
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189 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
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190 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
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191 | return 0; |
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192 | } |
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193 | ])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
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194 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
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195 | |