… | |
… | |
140 | #endif |
140 | #endif |
141 | #ifndef POSIX_FADV_DONTNEED |
141 | #ifndef POSIX_FADV_DONTNEED |
142 | # define POSIX_FADV_DONTNEED 0 |
142 | # define POSIX_FADV_DONTNEED 0 |
143 | #endif |
143 | #endif |
144 | |
144 | |
|
|
145 | #if _XOPEN_SOURCE < 600 || NO_FADVISE |
|
|
146 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
|
|
147 | #endif |
|
|
148 | |
145 | #ifndef POSIX_MADV_NORMAL |
149 | #ifndef POSIX_MADV_NORMAL |
146 | # define POSIX_MADV_NORMAL 0 |
150 | # define POSIX_MADV_NORMAL 0 |
147 | # define NO_MADVISE 1 |
151 | # define NO_MADVISE 1 |
148 | #endif |
152 | #endif |
149 | #ifndef POSIX_MADV_SEQUENTIAL |
153 | #ifndef POSIX_MADV_SEQUENTIAL |
… | |
… | |
157 | #endif |
161 | #endif |
158 | #ifndef POSIX_MADV_DONTNEED |
162 | #ifndef POSIX_MADV_DONTNEED |
159 | # define POSIX_MADV_DONTNEED 0 |
163 | # define POSIX_MADV_DONTNEED 0 |
160 | #endif |
164 | #endif |
161 | |
165 | |
|
|
166 | #if _XOPEN_SOURCE < 600 || NO_MADVISE |
|
|
167 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
|
|
168 | #endif |
|
|
169 | |
|
|
170 | #ifndef PROT_NONE |
|
|
171 | # define PROT_NONE 0 |
|
|
172 | #endif |
|
|
173 | #ifndef PROT_READ |
|
|
174 | # define PROT_READ 0 |
|
|
175 | #endif |
|
|
176 | #ifndef PROT_WRITE |
|
|
177 | # define PROT_READ 0 |
|
|
178 | #endif |
|
|
179 | #ifndef PROT_EXEC |
|
|
180 | # define PROT_EXEC 0 |
|
|
181 | #endif |
|
|
182 | |
162 | #ifndef ST_NODEV |
183 | #ifndef ST_NODEV |
163 | # define ST_NODEV 0 |
184 | # define ST_NODEV 0 |
164 | #endif |
185 | #endif |
165 | #ifndef ST_NOEXEC |
186 | #ifndef ST_NOEXEC |
166 | # define ST_NOEXEC 0 |
187 | # define ST_NOEXEC 0 |
… | |
… | |
186 | #ifndef ST_NODIRATIME |
207 | #ifndef ST_NODIRATIME |
187 | # define ST_NODIRATIME 0 |
208 | # define ST_NODIRATIME 0 |
188 | #endif |
209 | #endif |
189 | #ifndef ST_RELATIME |
210 | #ifndef ST_RELATIME |
190 | # define ST_RELATIME 0 |
211 | # define ST_RELATIME 0 |
191 | #endif |
|
|
192 | |
|
|
193 | #ifndef MCL_CURRENT |
|
|
194 | # define MCL_CURRENT 0 |
|
|
195 | #endif |
|
|
196 | #ifndef MCL_FUTURE |
|
|
197 | # define MCL_FUTURE 0 |
|
|
198 | #endif |
212 | #endif |
199 | |
213 | |
200 | #ifndef MAP_ANONYMOUS |
214 | #ifndef MAP_ANONYMOUS |
201 | # ifdef MAP_ANON |
215 | # ifdef MAP_ANON |
202 | # define MAP_ANONYMOUS MAP_ANON |
216 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
623 | /*****************************************************************************/ |
637 | /*****************************************************************************/ |
624 | |
638 | |
625 | #if !_POSIX_MAPPED_FILES |
639 | #if !_POSIX_MAPPED_FILES |
626 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
640 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
627 | # define munmap(addr,length) (errno = ENOSYS, -1) |
641 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
642 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
628 | #endif |
643 | #endif |
629 | |
644 | |
630 | #define MMAP_MAGIC PERL_MAGIC_ext |
645 | #define MMAP_MAGIC PERL_MAGIC_ext |
631 | |
646 | |
632 | static int |
647 | static int |
… | |
… | |
735 | const_iv (ST_IMMUTABLE) |
750 | const_iv (ST_IMMUTABLE) |
736 | const_iv (ST_NOATIME) |
751 | const_iv (ST_NOATIME) |
737 | const_iv (ST_NODIRATIME) |
752 | const_iv (ST_NODIRATIME) |
738 | const_iv (ST_RELATIME) |
753 | const_iv (ST_RELATIME) |
739 | |
754 | |
|
|
755 | const_iv (PROT_NONE) |
740 | const_iv (PROT_EXEC) |
756 | const_iv (PROT_EXEC) |
741 | const_iv (PROT_NONE) |
|
|
742 | const_iv (PROT_READ) |
757 | const_iv (PROT_READ) |
743 | const_iv (PROT_WRITE) |
758 | const_iv (PROT_WRITE) |
744 | |
759 | |
745 | /*const_iv (MAP_FIXED)*/ |
760 | /*const_iv (MAP_FIXED)*/ |
746 | const_iv (MAP_PRIVATE) |
761 | const_iv (MAP_PRIVATE) |
… | |
… | |
752 | const_iv (MAP_LOCKED) |
767 | const_iv (MAP_LOCKED) |
753 | const_iv (MAP_NORESERVE) |
768 | const_iv (MAP_NORESERVE) |
754 | const_iv (MAP_POPULATE) |
769 | const_iv (MAP_POPULATE) |
755 | const_iv (MAP_NONBLOCK) |
770 | const_iv (MAP_NONBLOCK) |
756 | |
771 | |
757 | const_iv (MCL_FUTURE) |
772 | const_eio (MCL_FUTURE) |
758 | const_iv (MCL_CURRENT) |
773 | const_eio (MCL_CURRENT) |
759 | |
774 | |
760 | const_eio (MS_ASYNC) |
775 | const_eio (MS_ASYNC) |
761 | const_eio (MS_INVALIDATE) |
776 | const_eio (MS_INVALIDATE) |
762 | const_eio (MS_SYNC) |
777 | const_eio (MS_SYNC) |
763 | |
778 | |
… | |
… | |
837 | CODE: |
852 | CODE: |
838 | max_outstanding = maxreqs; |
853 | max_outstanding = maxreqs; |
839 | |
854 | |
840 | void |
855 | void |
841 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
856 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
842 | PROTOTYPE: $$$;$ |
|
|
843 | PPCODE: |
857 | PPCODE: |
844 | { |
858 | { |
845 | dREQ; |
859 | dREQ; |
846 | |
860 | |
847 | req->type = EIO_OPEN; |
861 | req->type = EIO_OPEN; |
… | |
… | |
853 | REQ_SEND; |
867 | REQ_SEND; |
854 | } |
868 | } |
855 | |
869 | |
856 | void |
870 | void |
857 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
871 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
858 | PROTOTYPE: $;$ |
|
|
859 | ALIAS: |
872 | ALIAS: |
860 | aio_fsync = EIO_FSYNC |
873 | aio_fsync = EIO_FSYNC |
861 | aio_fdatasync = EIO_FDATASYNC |
874 | aio_fdatasync = EIO_FDATASYNC |
862 | PPCODE: |
875 | PPCODE: |
863 | { |
876 | { |
… | |
… | |
871 | REQ_SEND (req); |
884 | REQ_SEND (req); |
872 | } |
885 | } |
873 | |
886 | |
874 | void |
887 | void |
875 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
888 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
876 | PROTOTYPE: $$$$;$ |
|
|
877 | PPCODE: |
889 | PPCODE: |
878 | { |
890 | { |
879 | int fd = s_fileno_croak (fh, 0); |
891 | int fd = s_fileno_croak (fh, 0); |
880 | dREQ; |
892 | dREQ; |
881 | |
893 | |
… | |
… | |
889 | REQ_SEND (req); |
901 | REQ_SEND (req); |
890 | } |
902 | } |
891 | |
903 | |
892 | void |
904 | void |
893 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
905 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
894 | PROTOTYPE: $;$ |
|
|
895 | PPCODE: |
906 | PPCODE: |
896 | { |
907 | { |
897 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
908 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
898 | int fd = s_fileno_croak (fh, 0); |
909 | int fd = s_fileno_croak (fh, 0); |
899 | dREQ; |
910 | dREQ; |
… | |
… | |
921 | void |
932 | void |
922 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
933 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
923 | ALIAS: |
934 | ALIAS: |
924 | aio_read = EIO_READ |
935 | aio_read = EIO_READ |
925 | aio_write = EIO_WRITE |
936 | aio_write = EIO_WRITE |
926 | PROTOTYPE: $$$$$;$ |
|
|
927 | PPCODE: |
937 | PPCODE: |
928 | { |
938 | { |
929 | STRLEN svlen; |
939 | STRLEN svlen; |
930 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
940 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
931 | char *svptr = SvPVbyte (data, svlen); |
941 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
972 | } |
982 | } |
973 | } |
983 | } |
974 | |
984 | |
975 | void |
985 | void |
976 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
986 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
977 | PROTOTYPE: $$;$ |
|
|
978 | PPCODE: |
987 | PPCODE: |
979 | { |
988 | { |
980 | SV *data; |
989 | SV *data; |
981 | dREQ; |
990 | dREQ; |
982 | |
991 | |
… | |
… | |
987 | REQ_SEND; |
996 | REQ_SEND; |
988 | } |
997 | } |
989 | |
998 | |
990 | void |
999 | void |
991 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1000 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
992 | PROTOTYPE: $$$$;$ |
|
|
993 | PPCODE: |
1001 | PPCODE: |
994 | { |
1002 | { |
995 | int ifd = s_fileno_croak (in_fh , 0); |
1003 | int ifd = s_fileno_croak (in_fh , 0); |
996 | int ofd = s_fileno_croak (out_fh, 1); |
1004 | int ofd = s_fileno_croak (out_fh, 1); |
997 | dREQ; |
1005 | dREQ; |
… | |
… | |
1007 | REQ_SEND; |
1015 | REQ_SEND; |
1008 | } |
1016 | } |
1009 | |
1017 | |
1010 | void |
1018 | void |
1011 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1019 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1012 | PROTOTYPE: $$$;$ |
|
|
1013 | PPCODE: |
1020 | PPCODE: |
1014 | { |
1021 | { |
1015 | int fd = s_fileno_croak (fh, 0); |
1022 | int fd = s_fileno_croak (fh, 0); |
1016 | dREQ; |
1023 | dREQ; |
1017 | |
1024 | |
… | |
… | |
1218 | void |
1225 | void |
1219 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1226 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1220 | ALIAS: |
1227 | ALIAS: |
1221 | aio_mtouch = EIO_MTOUCH |
1228 | aio_mtouch = EIO_MTOUCH |
1222 | aio_msync = EIO_MSYNC |
1229 | aio_msync = EIO_MSYNC |
1223 | PROTOTYPE: $$$$;$ |
|
|
1224 | PPCODE: |
1230 | PPCODE: |
1225 | { |
1231 | { |
1226 | STRLEN svlen; |
1232 | STRLEN svlen; |
|
|
1233 | char *svptr = SvPVbyte (data, svlen); |
1227 | UV len = SvUV (length); |
1234 | UV len = SvUV (length); |
1228 | char *svptr = SvPVbyte (data, svlen); |
|
|
1229 | |
1235 | |
1230 | if (offset < 0) |
1236 | if (offset < 0) |
1231 | offset += svlen; |
1237 | offset += svlen; |
1232 | |
1238 | |
1233 | if (offset < 0 || offset > svlen) |
1239 | if (offset < 0 || offset > svlen) |
… | |
… | |
1238 | |
1244 | |
1239 | { |
1245 | { |
1240 | dREQ; |
1246 | dREQ; |
1241 | |
1247 | |
1242 | req->type = ix; |
1248 | req->type = ix; |
1243 | req->size = len; |
|
|
1244 | req->sv2 = SvREFCNT_inc (data); |
1249 | req->sv2 = SvREFCNT_inc (data); |
1245 | req->ptr2 = (char *)svptr + offset; |
1250 | req->ptr2 = (char *)svptr + offset; |
|
|
1251 | req->size = len; |
1246 | req->int1 = flags; |
1252 | req->int1 = flags; |
1247 | |
1253 | |
1248 | REQ_SEND; |
1254 | REQ_SEND; |
1249 | } |
1255 | } |
1250 | } |
1256 | } |
1251 | |
1257 | |
1252 | void |
1258 | void |
|
|
1259 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1260 | PPCODE: |
|
|
1261 | { |
|
|
1262 | STRLEN svlen; |
|
|
1263 | char *svptr = SvPVbyte (data, svlen); |
|
|
1264 | UV len = SvUV (length); |
|
|
1265 | |
|
|
1266 | if (offset < 0) |
|
|
1267 | offset += svlen; |
|
|
1268 | |
|
|
1269 | if (offset < 0 || offset > svlen) |
|
|
1270 | croak ("offset outside of scalar"); |
|
|
1271 | |
|
|
1272 | if (!SvOK (length) || len + offset > svlen) |
|
|
1273 | len = svlen - offset; |
|
|
1274 | |
|
|
1275 | { |
|
|
1276 | dREQ; |
|
|
1277 | |
|
|
1278 | req->type = EIO_MLOCK; |
|
|
1279 | req->sv2 = SvREFCNT_inc (data); |
|
|
1280 | req->ptr2 = (char *)svptr + offset; |
|
|
1281 | req->size = len; |
|
|
1282 | |
|
|
1283 | REQ_SEND; |
|
|
1284 | } |
|
|
1285 | } |
|
|
1286 | |
|
|
1287 | void |
|
|
1288 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1289 | PPCODE: |
|
|
1290 | { |
|
|
1291 | dREQ; |
|
|
1292 | |
|
|
1293 | req->type = EIO_MLOCKALL; |
|
|
1294 | req->int1 = flags; |
|
|
1295 | |
|
|
1296 | REQ_SEND; |
|
|
1297 | } |
|
|
1298 | |
|
|
1299 | void |
1253 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1300 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1254 | PPCODE: |
1301 | PPCODE: |
1255 | { |
1302 | { |
1256 | dREQ; |
1303 | dREQ; |
1257 | |
1304 | |
… | |
… | |
1261 | REQ_SEND; |
1308 | REQ_SEND; |
1262 | } |
1309 | } |
1263 | |
1310 | |
1264 | void |
1311 | void |
1265 | aio_group (SV *callback=&PL_sv_undef) |
1312 | aio_group (SV *callback=&PL_sv_undef) |
1266 | PROTOTYPE: ;$ |
|
|
1267 | PPCODE: |
1313 | PPCODE: |
1268 | { |
1314 | { |
1269 | dREQ; |
1315 | dREQ; |
1270 | |
1316 | |
1271 | req->type = EIO_GROUP; |
1317 | req->type = EIO_GROUP; |
… | |
… | |
1288 | REQ_SEND; |
1334 | REQ_SEND; |
1289 | } |
1335 | } |
1290 | |
1336 | |
1291 | int |
1337 | int |
1292 | aioreq_pri (int pri = 0) |
1338 | aioreq_pri (int pri = 0) |
1293 | PROTOTYPE: ;$ |
|
|
1294 | CODE: |
1339 | CODE: |
1295 | RETVAL = next_pri; |
1340 | RETVAL = next_pri; |
1296 | if (items > 0) |
1341 | if (items > 0) |
1297 | { |
1342 | { |
1298 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1343 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
… | |
… | |
1310 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1355 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1311 | next_pri = nice; |
1356 | next_pri = nice; |
1312 | |
1357 | |
1313 | void |
1358 | void |
1314 | flush () |
1359 | flush () |
1315 | PROTOTYPE: |
|
|
1316 | CODE: |
1360 | CODE: |
1317 | while (eio_nreqs ()) |
1361 | while (eio_nreqs ()) |
1318 | { |
1362 | { |
1319 | poll_wait (); |
1363 | poll_wait (); |
1320 | poll_cb (); |
1364 | poll_cb (); |
1321 | } |
1365 | } |
1322 | |
1366 | |
1323 | int |
1367 | int |
1324 | poll() |
1368 | poll () |
1325 | PROTOTYPE: |
|
|
1326 | CODE: |
1369 | CODE: |
1327 | poll_wait (); |
1370 | poll_wait (); |
1328 | RETVAL = poll_cb (); |
1371 | RETVAL = poll_cb (); |
1329 | OUTPUT: |
1372 | OUTPUT: |
1330 | RETVAL |
1373 | RETVAL |
1331 | |
1374 | |
1332 | int |
1375 | int |
1333 | poll_fileno() |
1376 | poll_fileno () |
1334 | PROTOTYPE: |
|
|
1335 | CODE: |
1377 | CODE: |
1336 | RETVAL = s_epipe_fd (&respipe); |
1378 | RETVAL = s_epipe_fd (&respipe); |
1337 | OUTPUT: |
1379 | OUTPUT: |
1338 | RETVAL |
1380 | RETVAL |
1339 | |
1381 | |
1340 | int |
1382 | int |
1341 | poll_cb(...) |
1383 | poll_cb (...) |
1342 | PROTOTYPE: |
1384 | PROTOTYPE: |
1343 | CODE: |
1385 | CODE: |
1344 | RETVAL = poll_cb (); |
1386 | RETVAL = poll_cb (); |
1345 | OUTPUT: |
1387 | OUTPUT: |
1346 | RETVAL |
1388 | RETVAL |
1347 | |
1389 | |
1348 | void |
1390 | void |
1349 | poll_wait() |
1391 | poll_wait () |
1350 | PROTOTYPE: |
|
|
1351 | CODE: |
1392 | CODE: |
1352 | poll_wait (); |
1393 | poll_wait (); |
1353 | |
1394 | |
1354 | int |
1395 | int |
1355 | nreqs() |
1396 | nreqs () |
1356 | PROTOTYPE: |
|
|
1357 | CODE: |
1397 | CODE: |
1358 | RETVAL = eio_nreqs (); |
1398 | RETVAL = eio_nreqs (); |
1359 | OUTPUT: |
1399 | OUTPUT: |
1360 | RETVAL |
1400 | RETVAL |
1361 | |
1401 | |
1362 | int |
1402 | int |
1363 | nready() |
1403 | nready () |
1364 | PROTOTYPE: |
|
|
1365 | CODE: |
1404 | CODE: |
1366 | RETVAL = eio_nready (); |
1405 | RETVAL = eio_nready (); |
1367 | OUTPUT: |
1406 | OUTPUT: |
1368 | RETVAL |
1407 | RETVAL |
1369 | |
1408 | |
1370 | int |
1409 | int |
1371 | npending() |
1410 | npending () |
1372 | PROTOTYPE: |
|
|
1373 | CODE: |
1411 | CODE: |
1374 | RETVAL = eio_npending (); |
1412 | RETVAL = eio_npending (); |
1375 | OUTPUT: |
1413 | OUTPUT: |
1376 | RETVAL |
1414 | RETVAL |
1377 | |
1415 | |
1378 | int |
1416 | int |
1379 | nthreads() |
1417 | nthreads () |
1380 | PROTOTYPE: |
|
|
1381 | CODE: |
1418 | CODE: |
1382 | RETVAL = eio_nthreads (); |
1419 | RETVAL = eio_nthreads (); |
1383 | OUTPUT: |
1420 | OUTPUT: |
1384 | RETVAL |
1421 | RETVAL |
1385 | |
1422 | |
1386 | int |
1423 | int |
1387 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1424 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1388 | PROTOTYPE: $$$$ |
|
|
1389 | CODE: |
1425 | CODE: |
1390 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
1391 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1426 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1392 | #else |
|
|
1393 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
|
|
1394 | #endif |
|
|
1395 | OUTPUT: |
1427 | OUTPUT: |
1396 | RETVAL |
1428 | RETVAL |
1397 | |
1429 | |
1398 | ssize_t |
1430 | ssize_t |
1399 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1431 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1400 | PROTOTYPE: $$$$ |
|
|
1401 | CODE: |
1432 | CODE: |
1402 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1433 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1403 | OUTPUT: |
1434 | OUTPUT: |
1404 | RETVAL |
1435 | RETVAL |
1405 | |
1436 | |
1406 | void |
1437 | void |
1407 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1438 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1408 | PROTOTYPE: $$$$$;$ |
|
|
1409 | PPCODE: |
1439 | PPCODE: |
1410 | sv_unmagic (scalar, MMAP_MAGIC); |
1440 | sv_unmagic (scalar, MMAP_MAGIC); |
1411 | { |
1441 | { |
1412 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1442 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1413 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1443 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
… | |
… | |
1436 | XSRETURN_YES; |
1466 | XSRETURN_YES; |
1437 | } |
1467 | } |
1438 | |
1468 | |
1439 | void |
1469 | void |
1440 | munmap (SV *scalar) |
1470 | munmap (SV *scalar) |
1441 | PROTOTYPE: $ |
|
|
1442 | CODE: |
1471 | CODE: |
1443 | sv_unmagic (scalar, MMAP_MAGIC); |
1472 | sv_unmagic (scalar, MMAP_MAGIC); |
1444 | |
1473 | |
1445 | int |
1474 | int |
1446 | madvise (SV *scalar, off_t offset, off_t length, IV advice) |
1475 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1447 | PROTOTYPE: $$$$ |
1476 | ALIAS: |
|
|
1477 | mprotect = 1 |
1448 | CODE: |
1478 | CODE: |
1449 | { |
1479 | { |
1450 | char *addr = SvPV_nolen (scalar) + offset; |
1480 | STRLEN svlen; |
|
|
1481 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1482 | size_t len = SvUV (length); |
1451 | |
1483 | |
1452 | if (!SvOK (ST (2))) |
1484 | if (offset < 0) |
|
|
1485 | offset += svlen; |
|
|
1486 | |
|
|
1487 | if (offset < 0 || offset > svlen) |
|
|
1488 | croak ("offset outside of scalar"); |
|
|
1489 | |
|
|
1490 | if (!SvOK (length) || len + offset > svlen) |
1453 | length = SvCUR (scalar) - offset; |
1491 | len = svlen - offset; |
1454 | |
1492 | |
1455 | if (addr >= SvEND (scalar) || length <= 0) |
1493 | addr = (void *)(((intptr_t)addr) + offset); |
1456 | XSRETURN_EMPTY; |
1494 | eio_page_align (&addr, &len); |
1457 | |
1495 | |
1458 | #if _XOPEN_SOURCE >= 600 && !NO_MADVISE |
1496 | switch (ix) |
|
|
1497 | { |
1459 | RETVAL = posix_madvise (addr, length, advice); |
1498 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
1460 | #else |
1499 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
1461 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
1500 | } |
1462 | #endif |
|
|
1463 | } |
1501 | } |
1464 | OUTPUT: |
1502 | OUTPUT: |
1465 | RETVAL |
1503 | RETVAL |
1466 | |
1504 | |
1467 | int |
1505 | int |
1468 | mlockall (int flags) |
1506 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1469 | PROTOTYPE: $ |
|
|
1470 | CODE: |
1507 | CODE: |
|
|
1508 | { |
|
|
1509 | STRLEN svlen; |
|
|
1510 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1511 | size_t len = SvUV (length); |
|
|
1512 | |
|
|
1513 | if (offset < 0) |
|
|
1514 | offset += svlen; |
|
|
1515 | |
|
|
1516 | if (offset < 0 || offset > svlen) |
|
|
1517 | croak ("offset outside of scalar"); |
|
|
1518 | |
|
|
1519 | if (!SvOK (length) || len + offset > svlen) |
|
|
1520 | len = svlen - offset; |
|
|
1521 | |
|
|
1522 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1523 | eio_page_align (&addr, &len); |
1471 | #if _POSIX_MEMLOCK |
1524 | #if _POSIX_MEMLOCK |
1472 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
1525 | RETVAL = munlock (addr, len); |
1473 | extern int mallopt (int, int); |
|
|
1474 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1475 | #endif |
|
|
1476 | mlockall (flags); |
|
|
1477 | #else |
1526 | #else |
1478 | RETVAL = -1; |
1527 | RETVAL = ((errno = ENOSYS), -1); |
1479 | errno = ENOSYS; |
|
|
1480 | #endif |
1528 | #endif |
|
|
1529 | } |
1481 | OUTPUT: |
1530 | OUTPUT: |
1482 | RETVAL |
1531 | RETVAL |
1483 | |
1532 | |
1484 | int |
1533 | int |
1485 | munlockall () |
1534 | munlockall () |
1486 | PROTOTYPE: |
|
|
1487 | CODE: |
1535 | CODE: |
1488 | #if _POSIX_MEMLOCK |
1536 | #if _POSIX_MEMLOCK |
1489 | munlockall (); |
1537 | munlockall (); |
1490 | #else |
1538 | #else |
1491 | RETVAL = -1; |
1539 | RETVAL = -1; |