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… | |
| 117 | return 0; |
117 | return 0; |
| 118 | } |
118 | } |
| 119 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
119 | ],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) |
120 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
| 121 | |
121 | |
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122 | dnl ############################################################################# |
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123 | dnl # these checks exist for the benefit of IO::AIO |
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124 | |
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125 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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126 | dnl functionality actually being present. ugh. |
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127 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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128 | #include <sys/mman.h> |
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129 | int main (void) |
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130 | { |
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131 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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132 | int a = POSIX_MADV_SEQUENTIAL; |
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133 | int b = POSIX_MADV_RANDOM; |
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134 | int c = POSIX_MADV_WILLNEED; |
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135 | int d = POSIX_MADV_DONTNEED; |
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136 | return 0; |
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137 | } |
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138 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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139 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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140 | |
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141 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
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142 | #define _XOPEN_SOURCE 600 |
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143 | #include <fcntl.h> |
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144 | int main (void) |
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145 | { |
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146 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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147 | int a = POSIX_FADV_SEQUENTIAL; |
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148 | int b = POSIX_FADV_NOREUSE; |
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149 | int c = POSIX_FADV_RANDOM; |
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150 | int d = POSIX_FADV_WILLNEED; |
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151 | int e = POSIX_FADV_DONTNEED; |
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152 | return 0; |
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153 | } |
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154 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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155 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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156 | |
