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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]) |
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4 | |
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5 | AC_SEARCH_LIBS( |
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6 | pthread_create, |
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7 | [pthread pthreads pthreadVC2], |
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8 | , |
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9 | [AC_MSG_ERROR(pthread functions not found)] |
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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) |
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25 | |
1 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
2 | #include <sys/types.h> |
27 | #include <sys/types.h> |
3 | #include <sys/time.h> |
28 | #include <sys/time.h> |
4 | #include <utime.h> |
29 | #include <utime.h> |
5 | struct timeval tv[2]; |
30 | struct timeval tv[2]; |
6 | int res; |
31 | int res; |
7 | int fd; |
32 | int fd; |
8 | int main(void) |
33 | int main (void) |
9 | { |
34 | { |
10 | res = futimes (fd, tv); |
35 | res = futimes (fd, tv); |
11 | return 0; |
36 | return 0; |
12 | } |
37 | } |
13 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
38 | ]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
14 | 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) |
15 | |
40 | |
16 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
17 | #include <fcntl.h> |
42 | #include <fcntl.h> |
18 | int main(void) |
43 | int main (void) |
19 | { |
44 | { |
20 | int fd = 0; |
45 | int fd = 0; |
21 | off64_t offset = 1; |
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22 | size_t count = 2; |
46 | size_t count = 2; |
23 | ssize_t res; |
47 | ssize_t res; |
24 | res = readahead (fd, offset, count); |
48 | res = readahead (fd, 0, count); |
25 | return 0; |
49 | return 0; |
26 | } |
50 | } |
27 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
51 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
28 | 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)) |
29 | |
53 | |
30 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
54 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
31 | #include <unistd.h> |
55 | #include <unistd.h> |
32 | int main(void) |
56 | int main (void) |
33 | { |
57 | { |
34 | int fd = 0; |
58 | int fd = 0; |
35 | fdatasync (fd); |
59 | fdatasync (fd); |
36 | return 0; |
60 | return 0; |
37 | } |
61 | } |
38 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
39 | 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) |
40 | |
64 | |
41 | 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([ |
42 | #include <unistd.h> |
66 | #include <unistd.h> |
43 | int main(void) |
67 | int main (void) |
44 | { |
68 | { |
45 | int fd = 0; |
69 | int fd = 0; |
46 | size_t count = 1; |
70 | size_t count = 1; |
47 | char buf; |
71 | char buf; |
48 | off_t offset = 1; |
72 | off_t offset = 1; |
… | |
… | |
52 | return 0; |
76 | return 0; |
53 | } |
77 | } |
54 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
78 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
55 | 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) |
56 | |
80 | |
57 | AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([ |
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58 | #include <dirent.h> |
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59 | int main(void) |
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60 | { |
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61 | DIR *dir = 0; |
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62 | struct dirent ent, *eres; |
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63 | int res = readdir_r (dir, &ent, &eres); |
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64 | return 0; |
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65 | } |
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66 | ],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)]) |
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67 | test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available) |
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68 | |
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69 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
81 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
70 | # include <sys/types.h> |
82 | # include <sys/types.h> |
71 | #if __linux |
83 | #if __linux |
72 | # include <sys/sendfile.h> |
84 | # include <sys/sendfile.h> |
73 | #elif __freebsd |
85 | #elif __FreeBSD__ || defined __APPLE__ |
74 | # include <sys/socket.h> |
86 | # include <sys/socket.h> |
75 | # include <sys/uio.h> |
87 | # include <sys/uio.h> |
76 | #elif __hpux |
88 | #elif __hpux |
77 | # include <sys/socket.h> |
89 | # include <sys/socket.h> |
78 | #else |
90 | #else |
79 | # error unsupported architecture |
91 | # error unsupported architecture |
80 | #endif |
92 | #endif |
81 | int main(void) |
93 | int main (void) |
82 | { |
94 | { |
83 | int fd = 0; |
95 | int fd = 0; |
84 | off_t offset = 1; |
96 | off_t offset = 1; |
85 | size_t count = 2; |
97 | size_t count = 2; |
86 | ssize_t res; |
98 | ssize_t res; |
87 | #if __linux |
99 | #if __linux |
88 | res = sendfile (fd, fd, offset, count); |
100 | res = sendfile (fd, fd, offset, count); |
89 | #elif __freebsd |
101 | #elif __FreeBSD__ |
90 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
102 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
91 | #elif __hpux |
103 | #elif __hpux |
92 | res = sendfile (fd, fd, offset, count, 0, 0); |
104 | res = sendfile (fd, fd, offset, count, 0, 0); |
93 | #endif |
105 | #endif |
94 | return 0; |
106 | return 0; |
95 | } |
107 | } |
96 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
108 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
97 | 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) |
98 | |
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 = 0; |
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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 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([ |
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142 | #include <unistd.h> |
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143 | #include <sys/syscall.h> |
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144 | int main (void) |
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145 | { |
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146 | int res = syscall (__NR_syncfs, (int)0); |
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147 | } |
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148 | ],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
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149 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
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150 | |
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151 | dnl ############################################################################# |
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152 | dnl # these checks exist for the benefit of IO::AIO |
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153 | |
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154 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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155 | dnl functionality actually being present. ugh. |
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156 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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157 | #include <sys/mman.h> |
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158 | int main (void) |
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159 | { |
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160 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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161 | int a = POSIX_MADV_SEQUENTIAL; |
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162 | int b = POSIX_MADV_RANDOM; |
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163 | int c = POSIX_MADV_WILLNEED; |
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164 | int d = POSIX_MADV_DONTNEED; |
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165 | return 0; |
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166 | } |
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167 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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168 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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169 | |
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170 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
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171 | #define _XOPEN_SOURCE 600 |
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172 | #include <fcntl.h> |
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173 | int main (void) |
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174 | { |
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175 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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176 | int a = POSIX_FADV_SEQUENTIAL; |
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177 | int b = POSIX_FADV_NOREUSE; |
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178 | int c = POSIX_FADV_RANDOM; |
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179 | int d = POSIX_FADV_WILLNEED; |
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180 | int e = POSIX_FADV_DONTNEED; |
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181 | return 0; |
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182 | } |
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183 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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184 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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185 | |