| … | |
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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) |
143 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
| 144 | |
144 | |
| 145 | dnl ############################################################################# |
145 | dnl ############################################################################# |
| 146 | dnl # these checks exist for the benefit of IO::AIO |
146 | dnl # these checks exist for the benefit of IO::AIO |
| 147 | |
147 | |
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148 | AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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149 | #include <sys/time.h> |
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150 | #include <sys/resource.h> |
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151 | int res; |
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152 | int main (void) |
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153 | { |
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154 | struct rlimit srl; |
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155 | srl.rlim_cur = srl.rlim_max = RLIM_INFINITY; |
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156 | res = getrlimit (RLIMIT_NOFILE, &srl); |
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157 | res = setrlimit (RLIMIT_NOFILE, &srl); |
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158 | return 0; |
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159 | } |
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160 | ]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)]) |
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161 | test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available) |
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162 | |
| 148 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
163 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
| 149 | dnl functionality actually being present. ugh. |
164 | dnl functionality actually being present. ugh. |
| 150 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
165 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
| 151 | #include <sys/mman.h> |
166 | #include <sys/mman.h> |
| 152 | int main (void) |
167 | int main (void) |
| … | |
… | |
| 203 | return 0; |
218 | return 0; |
| 204 | } |
219 | } |
| 205 | ]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
220 | ]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
| 206 | test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
221 | test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
| 207 | |
222 | |
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223 | AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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224 | #include <sys/eventfd.h> |
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225 | int res; |
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226 | int main (void) |
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227 | { |
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228 | res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK); |
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229 | return 0; |
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230 | } |
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231 | ]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)]) |
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232 | test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available) |
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233 | |
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234 | AC_CACHE_CHECK(for timerfd, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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235 | #include <sys/timerfd.h> |
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236 | int res; |
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237 | int main (void) |
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238 | { |
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239 | struct itimerspec its; |
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240 | res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK); |
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241 | res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0); |
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242 | res = timerfd_gettime (res, &its); |
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243 | return 0; |
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244 | } |
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245 | ]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)]) |
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246 | test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available) |
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247 | |
| 208 | AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
248 | AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
| 209 | #include <unistd.h> |
249 | #include <unistd.h> |
| 210 | #include <sys/syscall.h> |
250 | #include <sys/syscall.h> |
| 211 | #include <linux/fs.h> |
251 | #include <linux/fs.h> |
| 212 | int res; |
252 | int res; |
| … | |
… | |
| 216 | return 0; |
256 | return 0; |
| 217 | } |
257 | } |
| 218 | ]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)]) |
258 | ]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)]) |
| 219 | test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available) |
259 | test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available) |
| 220 | |
260 | |
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261 | AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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262 | #include <unistd.h> |
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263 | #include <sys/syscall.h> |
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264 | /*#include <linux/copy.h>*/ |
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265 | int res; |
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266 | int main (void) |
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267 | { |
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268 | /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
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269 | res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
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270 | return 0; |
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271 | } |
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272 | ]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
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273 | test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
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274 | |
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275 | AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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276 | #include <unistd.h> |
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277 | int res; |
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278 | int main (void) |
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279 | { |
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280 | res = posix_close (0, 0); /* we do not need any flags */ |
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281 | return 0; |
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282 | } |
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283 | ]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)]) |
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284 | test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available) |
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285 | |
