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79 | int fd = 0; |
79 | int fd = 0; |
80 | off_t offset = 1; |
80 | off_t offset = 1; |
81 | size_t count = 2; |
81 | size_t count = 2; |
82 | ssize_t res; |
82 | ssize_t res; |
83 | #if __linux |
83 | #if __linux |
84 | res = sendfile (fd, fd, offset, count); |
84 | res = sendfile (fd, fd, &offset, count); |
85 | #elif __FreeBSD__ |
85 | #elif __FreeBSD__ |
86 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
86 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
87 | #elif __hpux |
87 | #elif __hpux |
88 | res = sendfile (fd, fd, offset, count, 0, 0); |
88 | res = sendfile (fd, fd, offset, count, 0, 0); |
89 | #endif |
89 | #endif |
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134 | |
134 | |
135 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
135 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
136 | #include <sys/prctl.h> |
136 | #include <sys/prctl.h> |
137 | int main (void) |
137 | int main (void) |
138 | { |
138 | { |
139 | char name[] = "test123"; |
139 | char *name = "test123"; |
140 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
140 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
141 | } |
141 | } |
142 | ])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
142 | ])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
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 |
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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) |
147 | |
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> |
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191 | return 0; |
206 | return 0; |
192 | } |
207 | } |
193 | ])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
208 | ])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
194 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
209 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
195 | |
210 | |
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211 | AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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212 | #include <fcntl.h> |
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213 | #include <unistd.h> |
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214 | int res; |
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215 | int main (void) |
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216 | { |
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217 | res = pipe2 (0, 0); |
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218 | return 0; |
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219 | } |
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220 | ]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
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221 | test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
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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 renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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235 | #include <unistd.h> |
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236 | #include <sys/syscall.h> |
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237 | #include <linux/fs.h> |
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238 | int res; |
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239 | int main (void) |
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240 | { |
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241 | res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE); |
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242 | return 0; |
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243 | } |
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244 | ]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)]) |
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245 | test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available) |
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246 | |
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247 | AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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248 | #include <unistd.h> |
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249 | #include <sys/syscall.h> |
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250 | /*#include <linux/copy.h>*/ |
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251 | int res; |
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252 | int main (void) |
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253 | { |
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254 | /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
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255 | res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
|
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256 | return 0; |
|
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257 | } |
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258 | ]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
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259 | test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
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260 | |
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261 | AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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262 | #include <unistd.h> |
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263 | int res; |
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264 | int main (void) |
|
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265 | { |
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266 | res = posix_close (0, 0); /* we do not need any flags */ |
|
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267 | return 0; |
|
|
268 | } |
|
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269 | ]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)]) |
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270 | test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available) |
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271 | |