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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]) |
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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 | ) |
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11 | |
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12 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ |
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13 | #include <sys/types.h> |
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14 | #include <sys/time.h> |
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15 | #include <utime.h> |
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16 | struct timeval tv[2]; |
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17 | int res; |
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18 | int main (void) |
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19 | { |
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20 | res = utimes ("/", tv); |
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21 | return 0; |
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22 | } |
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23 | ]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
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24 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
7 | |
25 | |
8 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
9 | #include <sys/types.h> |
27 | #include <sys/types.h> |
10 | #include <sys/time.h> |
28 | #include <sys/time.h> |
11 | #include <utime.h> |
29 | #include <utime.h> |
12 | struct timeval tv[2]; |
30 | struct timeval tv[2]; |
13 | int res; |
31 | int res; |
14 | int fd; |
32 | int fd; |
15 | int main(void) |
33 | int main (void) |
16 | { |
34 | { |
17 | res = futimes (fd, tv); |
35 | res = futimes (fd, tv); |
18 | return 0; |
36 | return 0; |
19 | } |
37 | } |
20 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
38 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
21 | 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) |
22 | |
40 | |
23 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
24 | #define _GNU_SOURCE |
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25 | #include <fcntl.h> |
42 | #include <fcntl.h> |
26 | int main(void) |
43 | int main (void) |
27 | { |
44 | { |
28 | int fd = 0; |
45 | int fd = 0; |
29 | off64_t offset = 1; |
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30 | size_t count = 2; |
46 | size_t count = 2; |
31 | ssize_t res; |
47 | ssize_t res; |
32 | res = readahead (fd, offset, count); |
48 | res = readahead (fd, 0, count); |
33 | return 0; |
49 | return 0; |
34 | } |
50 | } |
35 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
51 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
36 | 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)) |
37 | test $ac_cv_readahead = yes && AC_DEFINE(_GNU_SOURCE, 1, _GNU_SOURCE required for readahead (linux)) |
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38 | |
53 | |
39 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
54 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
40 | #include <unistd.h> |
55 | #include <unistd.h> |
41 | int main(void) |
56 | int main (void) |
42 | { |
57 | { |
43 | int fd = 0; |
58 | int fd = 0; |
44 | fdatasync (fd); |
59 | fdatasync (fd); |
45 | return 0; |
60 | return 0; |
46 | } |
61 | } |
47 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
48 | 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) |
49 | |
64 | |
50 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
65 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
51 | #include <unistd.h> |
66 | #include <unistd.h> |
52 | int main(void) |
67 | int main (void) |
53 | { |
68 | { |
54 | int fd = 0; |
69 | int fd = 0; |
55 | size_t count = 1; |
70 | size_t count = 1; |
56 | char buf; |
71 | char buf; |
57 | off_t offset = 1; |
72 | off_t offset = 1; |
… | |
… | |
61 | return 0; |
76 | return 0; |
62 | } |
77 | } |
63 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
78 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
64 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
79 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
65 | |
80 | |
66 | AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([ |
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67 | #include <dirent.h> |
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68 | int main(void) |
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69 | { |
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70 | DIR *dir = 0; |
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71 | struct dirent ent, *eres; |
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72 | int res = readdir_r (dir, &ent, &eres); |
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73 | return 0; |
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74 | } |
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75 | ],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)]) |
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76 | test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available) |
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77 | |
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78 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
81 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
79 | # include <sys/types.h> |
82 | # include <sys/types.h> |
80 | #if __linux |
83 | #if __linux |
81 | # include <sys/sendfile.h> |
84 | # include <sys/sendfile.h> |
82 | #elif __freebsd |
85 | #elif __FreeBSD__ || defined __APPLE__ |
83 | # include <sys/socket.h> |
86 | # include <sys/socket.h> |
84 | # include <sys/uio.h> |
87 | # include <sys/uio.h> |
85 | #elif __hpux |
88 | #elif __hpux |
86 | # include <sys/socket.h> |
89 | # include <sys/socket.h> |
87 | #else |
90 | #else |
88 | # error unsupported architecture |
91 | # error unsupported architecture |
89 | #endif |
92 | #endif |
90 | int main(void) |
93 | int main (void) |
91 | { |
94 | { |
92 | int fd = 0; |
95 | int fd = 0; |
93 | off_t offset = 1; |
96 | off_t offset = 1; |
94 | size_t count = 2; |
97 | size_t count = 2; |
95 | ssize_t res; |
98 | ssize_t res; |
96 | #if __linux |
99 | #if __linux |
97 | res = sendfile (fd, fd, offset, count); |
100 | res = sendfile (fd, fd, offset, count); |
98 | #elif __freebsd |
101 | #elif __FreeBSD__ |
99 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
102 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
100 | #elif __hpux |
103 | #elif __hpux |
101 | res = sendfile (fd, fd, offset, count, 0, 0); |
104 | res = sendfile (fd, fd, offset, count, 0, 0); |
102 | #endif |
105 | #endif |
103 | return 0; |
106 | return 0; |
104 | } |
107 | } |
105 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
108 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
106 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
109 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
107 | |
110 | |
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111 | AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
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112 | #include <fcntl.h> |
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113 | int main (void) |
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114 | { |
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115 | int fd = 0; |
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116 | off64_t offset = 1; |
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117 | off64_t nbytes = 1; |
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118 | unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
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119 | ssize_t res; |
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120 | res = sync_file_range (fd, offset, nbytes, flags); |
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121 | return 0; |
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122 | } |
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123 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
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124 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
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125 | |
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126 | AC_CACHE_CHECK(for fallocate, ac_cv_fallocate, [AC_LINK_IFELSE([ |
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127 | #include <fcntl.h> |
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128 | int main (void) |
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129 | { |
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130 | int fd = 0; |
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131 | int mode = FALLOC_FL_KEEP_SIZE; |
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132 | off_t offset = 1; |
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133 | off_t len = 1; |
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134 | int res; |
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135 | res = fallocate (fd, mode, offset, len); |
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136 | return 0; |
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137 | } |
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138 | ],ac_cv_fallocate=yes,ac_cv_fallocate=no)]) |
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139 | test $ac_cv_fallocate = yes && AC_DEFINE(HAVE_FALLOCATE, 1, fallocate(2) is available) |
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140 | |
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141 | dnl ############################################################################# |
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142 | dnl # these checks exist for the benefit of IO::AIO |
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143 | |
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144 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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145 | dnl functionality actually being present. ugh. |
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146 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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147 | #include <sys/mman.h> |
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148 | int main (void) |
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149 | { |
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150 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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151 | int a = POSIX_MADV_SEQUENTIAL; |
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152 | int b = POSIX_MADV_RANDOM; |
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153 | int c = POSIX_MADV_WILLNEED; |
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154 | int d = POSIX_MADV_DONTNEED; |
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155 | return 0; |
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156 | } |
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157 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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158 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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159 | |
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160 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
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161 | #define _XOPEN_SOURCE 600 |
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162 | #include <fcntl.h> |
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163 | int main (void) |
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164 | { |
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165 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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166 | int a = POSIX_FADV_SEQUENTIAL; |
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167 | int b = POSIX_FADV_NOREUSE; |
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168 | int c = POSIX_FADV_RANDOM; |
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169 | int d = POSIX_FADV_WILLNEED; |
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170 | int e = POSIX_FADV_DONTNEED; |
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171 | return 0; |
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172 | } |
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173 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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174 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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175 | |