… | |
… | |
122 | |
122 | |
123 | #include "libeio/eio.h" |
123 | #include "libeio/eio.h" |
124 | |
124 | |
125 | #ifndef POSIX_FADV_NORMAL |
125 | #ifndef POSIX_FADV_NORMAL |
126 | # define POSIX_FADV_NORMAL 0 |
126 | # define POSIX_FADV_NORMAL 0 |
127 | # define NO_FADVISE 1 |
|
|
128 | #endif |
127 | #endif |
129 | #ifndef POSIX_FADV_SEQUENTIAL |
128 | #ifndef POSIX_FADV_SEQUENTIAL |
130 | # define POSIX_FADV_SEQUENTIAL 0 |
129 | # define POSIX_FADV_SEQUENTIAL 0 |
131 | #endif |
130 | #endif |
132 | #ifndef POSIX_FADV_RANDOM |
131 | #ifndef POSIX_FADV_RANDOM |
… | |
… | |
140 | #endif |
139 | #endif |
141 | #ifndef POSIX_FADV_DONTNEED |
140 | #ifndef POSIX_FADV_DONTNEED |
142 | # define POSIX_FADV_DONTNEED 0 |
141 | # define POSIX_FADV_DONTNEED 0 |
143 | #endif |
142 | #endif |
144 | |
143 | |
145 | #if _XOPEN_SOURCE < 600 || NO_FADVISE |
144 | #if !HAVE_POSIX_FADVISE |
146 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
145 | # define posix_fadvise(a,b,c,d) errno = ENOSYS /* also return ENOSYS */ |
147 | #endif |
146 | #endif |
148 | |
147 | |
149 | #ifndef POSIX_MADV_NORMAL |
148 | #ifndef POSIX_MADV_NORMAL |
150 | # define POSIX_MADV_NORMAL 0 |
149 | # define POSIX_MADV_NORMAL 0 |
151 | # define NO_MADVISE 1 |
|
|
152 | #endif |
150 | #endif |
153 | #ifndef POSIX_MADV_SEQUENTIAL |
151 | #ifndef POSIX_MADV_SEQUENTIAL |
154 | # define POSIX_MADV_SEQUENTIAL 0 |
152 | # define POSIX_MADV_SEQUENTIAL 0 |
155 | #endif |
153 | #endif |
156 | #ifndef POSIX_MADV_RANDOM |
154 | #ifndef POSIX_MADV_RANDOM |
… | |
… | |
161 | #endif |
159 | #endif |
162 | #ifndef POSIX_MADV_DONTNEED |
160 | #ifndef POSIX_MADV_DONTNEED |
163 | # define POSIX_MADV_DONTNEED 0 |
161 | # define POSIX_MADV_DONTNEED 0 |
164 | #endif |
162 | #endif |
165 | |
163 | |
166 | #if _XOPEN_SOURCE < 600 || NO_MADVISE |
164 | #if !HAVE_POSIX_MADVISE |
167 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
165 | # define posix_madvise(a,b,c) errno = ENOSYS /* also return ENOSYS */ |
168 | #endif |
166 | #endif |
169 | |
167 | |
170 | #ifndef PROT_NONE |
168 | #ifndef PROT_NONE |
171 | # define PROT_NONE 0 |
169 | # define PROT_NONE 0 |
… | |
… | |
207 | #ifndef ST_NODIRATIME |
205 | #ifndef ST_NODIRATIME |
208 | # define ST_NODIRATIME 0 |
206 | # define ST_NODIRATIME 0 |
209 | #endif |
207 | #endif |
210 | #ifndef ST_RELATIME |
208 | #ifndef ST_RELATIME |
211 | # define ST_RELATIME 0 |
209 | # define ST_RELATIME 0 |
212 | #endif |
|
|
213 | |
|
|
214 | #ifndef MCL_CURRENT |
|
|
215 | # define MCL_CURRENT 0 |
|
|
216 | #endif |
|
|
217 | #ifndef MCL_FUTURE |
|
|
218 | # define MCL_FUTURE 0 |
|
|
219 | #endif |
210 | #endif |
220 | |
211 | |
221 | #ifndef MAP_ANONYMOUS |
212 | #ifndef MAP_ANONYMOUS |
222 | # ifdef MAP_ANON |
213 | # ifdef MAP_ANON |
223 | # define MAP_ANONYMOUS MAP_ANON |
214 | # define MAP_ANONYMOUS MAP_ANON |
… | |
… | |
645 | |
636 | |
646 | #if !_POSIX_MAPPED_FILES |
637 | #if !_POSIX_MAPPED_FILES |
647 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
638 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
648 | # define munmap(addr,length) (errno = ENOSYS, -1) |
639 | # define munmap(addr,length) (errno = ENOSYS, -1) |
649 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
640 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
641 | # define PROT_NONE 0 |
|
|
642 | # define PROT_WRITE 0 |
|
|
643 | # define MAP_PRIVATE 0 |
|
|
644 | # define MAP_SHARED 0 |
|
|
645 | # define MAP_FIXED 0 |
650 | #endif |
646 | #endif |
651 | |
647 | |
652 | #define MMAP_MAGIC PERL_MAGIC_ext |
648 | #define MMAP_MAGIC PERL_MAGIC_ext |
653 | |
649 | |
654 | static int |
650 | static int |
… | |
… | |
774 | const_iv (MAP_LOCKED) |
770 | const_iv (MAP_LOCKED) |
775 | const_iv (MAP_NORESERVE) |
771 | const_iv (MAP_NORESERVE) |
776 | const_iv (MAP_POPULATE) |
772 | const_iv (MAP_POPULATE) |
777 | const_iv (MAP_NONBLOCK) |
773 | const_iv (MAP_NONBLOCK) |
778 | |
774 | |
779 | const_iv (MCL_FUTURE) |
775 | const_eio (MCL_FUTURE) |
780 | const_iv (MCL_CURRENT) |
776 | const_eio (MCL_CURRENT) |
781 | |
777 | |
782 | const_eio (MS_ASYNC) |
778 | const_eio (MS_ASYNC) |
783 | const_eio (MS_INVALIDATE) |
779 | const_eio (MS_INVALIDATE) |
784 | const_eio (MS_SYNC) |
780 | const_eio (MS_SYNC) |
785 | |
781 | |
… | |
… | |
859 | CODE: |
855 | CODE: |
860 | max_outstanding = maxreqs; |
856 | max_outstanding = maxreqs; |
861 | |
857 | |
862 | void |
858 | void |
863 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
859 | aio_open (SV8 *pathname, int flags, int mode, SV *callback=&PL_sv_undef) |
864 | PROTOTYPE: $$$;$ |
|
|
865 | PPCODE: |
860 | PPCODE: |
866 | { |
861 | { |
867 | dREQ; |
862 | dREQ; |
868 | |
863 | |
869 | req->type = EIO_OPEN; |
864 | req->type = EIO_OPEN; |
… | |
… | |
875 | REQ_SEND; |
870 | REQ_SEND; |
876 | } |
871 | } |
877 | |
872 | |
878 | void |
873 | void |
879 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
874 | aio_fsync (SV *fh, SV *callback=&PL_sv_undef) |
880 | PROTOTYPE: $;$ |
|
|
881 | ALIAS: |
875 | ALIAS: |
882 | aio_fsync = EIO_FSYNC |
876 | aio_fsync = EIO_FSYNC |
883 | aio_fdatasync = EIO_FDATASYNC |
877 | aio_fdatasync = EIO_FDATASYNC |
884 | PPCODE: |
878 | PPCODE: |
885 | { |
879 | { |
… | |
… | |
893 | REQ_SEND (req); |
887 | REQ_SEND (req); |
894 | } |
888 | } |
895 | |
889 | |
896 | void |
890 | void |
897 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
891 | aio_sync_file_range (SV *fh, off_t offset, size_t nbytes, UV flags, SV *callback=&PL_sv_undef) |
898 | PROTOTYPE: $$$$;$ |
|
|
899 | PPCODE: |
892 | PPCODE: |
900 | { |
893 | { |
901 | int fd = s_fileno_croak (fh, 0); |
894 | int fd = s_fileno_croak (fh, 0); |
902 | dREQ; |
895 | dREQ; |
903 | |
896 | |
… | |
… | |
911 | REQ_SEND (req); |
904 | REQ_SEND (req); |
912 | } |
905 | } |
913 | |
906 | |
914 | void |
907 | void |
915 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
908 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
916 | PROTOTYPE: $;$ |
|
|
917 | PPCODE: |
909 | PPCODE: |
918 | { |
910 | { |
919 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
911 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
920 | int fd = s_fileno_croak (fh, 0); |
912 | int fd = s_fileno_croak (fh, 0); |
921 | dREQ; |
913 | dREQ; |
… | |
… | |
943 | void |
935 | void |
944 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
936 | aio_read (SV *fh, SV *offset, SV *length, SV8 *data, IV dataoffset, SV *callback=&PL_sv_undef) |
945 | ALIAS: |
937 | ALIAS: |
946 | aio_read = EIO_READ |
938 | aio_read = EIO_READ |
947 | aio_write = EIO_WRITE |
939 | aio_write = EIO_WRITE |
948 | PROTOTYPE: $$$$$;$ |
|
|
949 | PPCODE: |
940 | PPCODE: |
950 | { |
941 | { |
951 | STRLEN svlen; |
942 | STRLEN svlen; |
952 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
943 | int fd = s_fileno_croak (fh, ix == EIO_WRITE); |
953 | char *svptr = SvPVbyte (data, svlen); |
944 | char *svptr = SvPVbyte (data, svlen); |
… | |
… | |
994 | } |
985 | } |
995 | } |
986 | } |
996 | |
987 | |
997 | void |
988 | void |
998 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
989 | aio_readlink (SV8 *path, SV *callback=&PL_sv_undef) |
999 | PROTOTYPE: $$;$ |
|
|
1000 | PPCODE: |
990 | PPCODE: |
1001 | { |
991 | { |
1002 | SV *data; |
992 | SV *data; |
1003 | dREQ; |
993 | dREQ; |
1004 | |
994 | |
… | |
… | |
1009 | REQ_SEND; |
999 | REQ_SEND; |
1010 | } |
1000 | } |
1011 | |
1001 | |
1012 | void |
1002 | void |
1013 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1003 | aio_sendfile (SV *out_fh, SV *in_fh, off_t in_offset, size_t length, SV *callback=&PL_sv_undef) |
1014 | PROTOTYPE: $$$$;$ |
|
|
1015 | PPCODE: |
1004 | PPCODE: |
1016 | { |
1005 | { |
1017 | int ifd = s_fileno_croak (in_fh , 0); |
1006 | int ifd = s_fileno_croak (in_fh , 0); |
1018 | int ofd = s_fileno_croak (out_fh, 1); |
1007 | int ofd = s_fileno_croak (out_fh, 1); |
1019 | dREQ; |
1008 | dREQ; |
… | |
… | |
1029 | REQ_SEND; |
1018 | REQ_SEND; |
1030 | } |
1019 | } |
1031 | |
1020 | |
1032 | void |
1021 | void |
1033 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1022 | aio_readahead (SV *fh, off_t offset, size_t length, SV *callback=&PL_sv_undef) |
1034 | PROTOTYPE: $$$;$ |
|
|
1035 | PPCODE: |
1023 | PPCODE: |
1036 | { |
1024 | { |
1037 | int fd = s_fileno_croak (fh, 0); |
1025 | int fd = s_fileno_croak (fh, 0); |
1038 | dREQ; |
1026 | dREQ; |
1039 | |
1027 | |
… | |
… | |
1240 | void |
1228 | void |
1241 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1229 | aio_mtouch (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, int flags = 0, SV *callback=&PL_sv_undef) |
1242 | ALIAS: |
1230 | ALIAS: |
1243 | aio_mtouch = EIO_MTOUCH |
1231 | aio_mtouch = EIO_MTOUCH |
1244 | aio_msync = EIO_MSYNC |
1232 | aio_msync = EIO_MSYNC |
1245 | PROTOTYPE: $$$$;$ |
|
|
1246 | PPCODE: |
1233 | PPCODE: |
1247 | { |
1234 | { |
1248 | STRLEN svlen; |
1235 | STRLEN svlen; |
|
|
1236 | char *svptr = SvPVbyte (data, svlen); |
1249 | UV len = SvUV (length); |
1237 | UV len = SvUV (length); |
1250 | char *svptr = SvPVbyte (data, svlen); |
|
|
1251 | |
1238 | |
1252 | if (offset < 0) |
1239 | if (offset < 0) |
1253 | offset += svlen; |
1240 | offset += svlen; |
1254 | |
1241 | |
1255 | if (offset < 0 || offset > svlen) |
1242 | if (offset < 0 || offset > svlen) |
… | |
… | |
1260 | |
1247 | |
1261 | { |
1248 | { |
1262 | dREQ; |
1249 | dREQ; |
1263 | |
1250 | |
1264 | req->type = ix; |
1251 | req->type = ix; |
1265 | req->size = len; |
|
|
1266 | req->sv2 = SvREFCNT_inc (data); |
1252 | req->sv2 = SvREFCNT_inc (data); |
1267 | req->ptr2 = (char *)svptr + offset; |
1253 | req->ptr2 = (char *)svptr + offset; |
|
|
1254 | req->size = len; |
1268 | req->int1 = flags; |
1255 | req->int1 = flags; |
1269 | |
1256 | |
1270 | REQ_SEND; |
1257 | REQ_SEND; |
1271 | } |
1258 | } |
1272 | } |
1259 | } |
1273 | |
1260 | |
1274 | void |
1261 | void |
|
|
1262 | aio_mlock (SV8 *data, IV offset = 0, SV *length = &PL_sv_undef, SV *callback=&PL_sv_undef) |
|
|
1263 | PPCODE: |
|
|
1264 | { |
|
|
1265 | STRLEN svlen; |
|
|
1266 | char *svptr = SvPVbyte (data, svlen); |
|
|
1267 | UV len = SvUV (length); |
|
|
1268 | |
|
|
1269 | if (offset < 0) |
|
|
1270 | offset += svlen; |
|
|
1271 | |
|
|
1272 | if (offset < 0 || offset > svlen) |
|
|
1273 | croak ("offset outside of scalar"); |
|
|
1274 | |
|
|
1275 | if (!SvOK (length) || len + offset > svlen) |
|
|
1276 | len = svlen - offset; |
|
|
1277 | |
|
|
1278 | { |
|
|
1279 | dREQ; |
|
|
1280 | |
|
|
1281 | req->type = EIO_MLOCK; |
|
|
1282 | req->sv2 = SvREFCNT_inc (data); |
|
|
1283 | req->ptr2 = (char *)svptr + offset; |
|
|
1284 | req->size = len; |
|
|
1285 | |
|
|
1286 | REQ_SEND; |
|
|
1287 | } |
|
|
1288 | } |
|
|
1289 | |
|
|
1290 | void |
|
|
1291 | aio_mlockall (IV flags, SV *callback=&PL_sv_undef) |
|
|
1292 | PPCODE: |
|
|
1293 | { |
|
|
1294 | dREQ; |
|
|
1295 | |
|
|
1296 | req->type = EIO_MLOCKALL; |
|
|
1297 | req->int1 = flags; |
|
|
1298 | |
|
|
1299 | REQ_SEND; |
|
|
1300 | } |
|
|
1301 | |
|
|
1302 | void |
1275 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1303 | aio_busy (double delay, SV *callback=&PL_sv_undef) |
1276 | PPCODE: |
1304 | PPCODE: |
1277 | { |
1305 | { |
1278 | dREQ; |
1306 | dREQ; |
1279 | |
1307 | |
… | |
… | |
1283 | REQ_SEND; |
1311 | REQ_SEND; |
1284 | } |
1312 | } |
1285 | |
1313 | |
1286 | void |
1314 | void |
1287 | aio_group (SV *callback=&PL_sv_undef) |
1315 | aio_group (SV *callback=&PL_sv_undef) |
1288 | PROTOTYPE: ;$ |
|
|
1289 | PPCODE: |
1316 | PPCODE: |
1290 | { |
1317 | { |
1291 | dREQ; |
1318 | dREQ; |
1292 | |
1319 | |
1293 | req->type = EIO_GROUP; |
1320 | req->type = EIO_GROUP; |
… | |
… | |
1310 | REQ_SEND; |
1337 | REQ_SEND; |
1311 | } |
1338 | } |
1312 | |
1339 | |
1313 | int |
1340 | int |
1314 | aioreq_pri (int pri = 0) |
1341 | aioreq_pri (int pri = 0) |
1315 | PROTOTYPE: ;$ |
|
|
1316 | CODE: |
1342 | CODE: |
1317 | RETVAL = next_pri; |
1343 | RETVAL = next_pri; |
1318 | if (items > 0) |
1344 | if (items > 0) |
1319 | { |
1345 | { |
1320 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
1346 | if (pri < EIO_PRI_MIN) pri = EIO_PRI_MIN; |
… | |
… | |
1332 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1358 | if (nice > EIO_PRI_MAX) nice = EIO_PRI_MAX; |
1333 | next_pri = nice; |
1359 | next_pri = nice; |
1334 | |
1360 | |
1335 | void |
1361 | void |
1336 | flush () |
1362 | flush () |
1337 | PROTOTYPE: |
|
|
1338 | CODE: |
1363 | CODE: |
1339 | while (eio_nreqs ()) |
1364 | while (eio_nreqs ()) |
1340 | { |
1365 | { |
1341 | poll_wait (); |
1366 | poll_wait (); |
1342 | poll_cb (); |
1367 | poll_cb (); |
1343 | } |
1368 | } |
1344 | |
1369 | |
1345 | int |
1370 | int |
1346 | poll() |
1371 | poll () |
1347 | PROTOTYPE: |
|
|
1348 | CODE: |
1372 | CODE: |
1349 | poll_wait (); |
1373 | poll_wait (); |
1350 | RETVAL = poll_cb (); |
1374 | RETVAL = poll_cb (); |
1351 | OUTPUT: |
1375 | OUTPUT: |
1352 | RETVAL |
1376 | RETVAL |
1353 | |
1377 | |
1354 | int |
1378 | int |
1355 | poll_fileno() |
1379 | poll_fileno () |
1356 | PROTOTYPE: |
|
|
1357 | CODE: |
1380 | CODE: |
1358 | RETVAL = s_epipe_fd (&respipe); |
1381 | RETVAL = s_epipe_fd (&respipe); |
1359 | OUTPUT: |
1382 | OUTPUT: |
1360 | RETVAL |
1383 | RETVAL |
1361 | |
1384 | |
1362 | int |
1385 | int |
1363 | poll_cb(...) |
1386 | poll_cb (...) |
1364 | PROTOTYPE: |
1387 | PROTOTYPE: |
1365 | CODE: |
1388 | CODE: |
1366 | RETVAL = poll_cb (); |
1389 | RETVAL = poll_cb (); |
1367 | OUTPUT: |
1390 | OUTPUT: |
1368 | RETVAL |
1391 | RETVAL |
1369 | |
1392 | |
1370 | void |
1393 | void |
1371 | poll_wait() |
1394 | poll_wait () |
1372 | PROTOTYPE: |
|
|
1373 | CODE: |
1395 | CODE: |
1374 | poll_wait (); |
1396 | poll_wait (); |
1375 | |
1397 | |
1376 | int |
1398 | int |
1377 | nreqs() |
1399 | nreqs () |
1378 | PROTOTYPE: |
|
|
1379 | CODE: |
1400 | CODE: |
1380 | RETVAL = eio_nreqs (); |
1401 | RETVAL = eio_nreqs (); |
1381 | OUTPUT: |
1402 | OUTPUT: |
1382 | RETVAL |
1403 | RETVAL |
1383 | |
1404 | |
1384 | int |
1405 | int |
1385 | nready() |
1406 | nready () |
1386 | PROTOTYPE: |
|
|
1387 | CODE: |
1407 | CODE: |
1388 | RETVAL = eio_nready (); |
1408 | RETVAL = eio_nready (); |
1389 | OUTPUT: |
1409 | OUTPUT: |
1390 | RETVAL |
1410 | RETVAL |
1391 | |
1411 | |
1392 | int |
1412 | int |
1393 | npending() |
1413 | npending () |
1394 | PROTOTYPE: |
|
|
1395 | CODE: |
1414 | CODE: |
1396 | RETVAL = eio_npending (); |
1415 | RETVAL = eio_npending (); |
1397 | OUTPUT: |
1416 | OUTPUT: |
1398 | RETVAL |
1417 | RETVAL |
1399 | |
1418 | |
1400 | int |
1419 | int |
1401 | nthreads() |
1420 | nthreads () |
1402 | PROTOTYPE: |
|
|
1403 | CODE: |
1421 | CODE: |
1404 | RETVAL = eio_nthreads (); |
1422 | RETVAL = eio_nthreads (); |
1405 | OUTPUT: |
1423 | OUTPUT: |
1406 | RETVAL |
1424 | RETVAL |
1407 | |
1425 | |
1408 | int |
1426 | int |
1409 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1427 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1410 | PROTOTYPE: $$$$ |
|
|
1411 | CODE: |
1428 | CODE: |
1412 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1429 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1413 | OUTPUT: |
1430 | OUTPUT: |
1414 | RETVAL |
1431 | RETVAL |
1415 | |
1432 | |
1416 | ssize_t |
1433 | ssize_t |
1417 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1434 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1418 | PROTOTYPE: $$$$ |
|
|
1419 | CODE: |
1435 | CODE: |
1420 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1436 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1421 | OUTPUT: |
1437 | OUTPUT: |
1422 | RETVAL |
1438 | RETVAL |
1423 | |
1439 | |
1424 | void |
1440 | void |
1425 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1441 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
1426 | PROTOTYPE: $$$$$;$ |
|
|
1427 | PPCODE: |
1442 | PPCODE: |
1428 | sv_unmagic (scalar, MMAP_MAGIC); |
1443 | sv_unmagic (scalar, MMAP_MAGIC); |
1429 | { |
1444 | { |
1430 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1445 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1431 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1446 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
… | |
… | |
1454 | XSRETURN_YES; |
1469 | XSRETURN_YES; |
1455 | } |
1470 | } |
1456 | |
1471 | |
1457 | void |
1472 | void |
1458 | munmap (SV *scalar) |
1473 | munmap (SV *scalar) |
1459 | PROTOTYPE: $ |
|
|
1460 | CODE: |
1474 | CODE: |
1461 | sv_unmagic (scalar, MMAP_MAGIC); |
1475 | sv_unmagic (scalar, MMAP_MAGIC); |
1462 | |
1476 | |
1463 | int |
1477 | int |
1464 | madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) |
1478 | madvise (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef, IV advice_or_prot) |
1465 | ALIAS: |
1479 | ALIAS: |
1466 | mprotect = 1 |
1480 | mprotect = 1 |
1467 | PROTOTYPE: $$$$ |
|
|
1468 | CODE: |
1481 | CODE: |
1469 | { |
1482 | { |
1470 | STRLEN cur; |
1483 | STRLEN svlen; |
1471 | char *addr = SvPVbyte (scalar, cur); |
1484 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1485 | size_t len = SvUV (length); |
1472 | |
1486 | |
1473 | if (offset > cur) |
1487 | if (offset < 0) |
1474 | RETVAL = errno = EFAULT; |
1488 | offset += svlen; |
1475 | else |
1489 | |
|
|
1490 | if (offset < 0 || offset > svlen) |
|
|
1491 | croak ("offset outside of scalar"); |
|
|
1492 | |
|
|
1493 | if (!SvOK (length) || len + offset > svlen) |
|
|
1494 | len = svlen - offset; |
|
|
1495 | |
|
|
1496 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1497 | eio_page_align (&addr, &len); |
|
|
1498 | |
|
|
1499 | switch (ix) |
1476 | { |
1500 | { |
1477 | if (!SvOK (ST (2))) |
|
|
1478 | length = cur - offset; |
|
|
1479 | |
|
|
1480 | if (offset + length > cur) |
|
|
1481 | RETVAL = errno = EFAULT; |
|
|
1482 | else |
|
|
1483 | switch (ix) |
|
|
1484 | { |
|
|
1485 | case 0: RETVAL = posix_madvise (addr + offset, length, advice_or_prot); break; |
1501 | case 0: RETVAL = posix_madvise (addr, len, advice_or_prot); break; |
1486 | case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; |
1502 | case 1: RETVAL = mprotect (addr, len, advice_or_prot); break; |
1487 | } |
|
|
1488 | } |
1503 | } |
1489 | } |
1504 | } |
1490 | OUTPUT: |
1505 | OUTPUT: |
1491 | RETVAL |
1506 | RETVAL |
1492 | |
1507 | |
1493 | int |
1508 | int |
1494 | mlockall (int flags) |
1509 | munlock (SV *scalar, off_t offset = 0, SV *length = &PL_sv_undef) |
1495 | PROTOTYPE: $ |
|
|
1496 | CODE: |
1510 | CODE: |
|
|
1511 | { |
|
|
1512 | STRLEN svlen; |
|
|
1513 | void *addr = SvPVbyte (scalar, svlen); |
|
|
1514 | size_t len = SvUV (length); |
|
|
1515 | |
|
|
1516 | if (offset < 0) |
|
|
1517 | offset += svlen; |
|
|
1518 | |
|
|
1519 | if (offset < 0 || offset > svlen) |
|
|
1520 | croak ("offset outside of scalar"); |
|
|
1521 | |
|
|
1522 | if (!SvOK (length) || len + offset > svlen) |
|
|
1523 | len = svlen - offset; |
|
|
1524 | |
|
|
1525 | addr = (void *)(((intptr_t)addr) + offset); |
|
|
1526 | eio_page_align (&addr, &len); |
1497 | #if _POSIX_MEMLOCK |
1527 | #if _POSIX_MEMLOCK |
1498 | #if __GLIBC__ == 2 && __GLIBC_MINOR__ <= 7 |
1528 | RETVAL = munlock (addr, len); |
1499 | extern int mallopt (int, int); |
|
|
1500 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
|
|
1501 | #endif |
|
|
1502 | mlockall (flags); |
|
|
1503 | #else |
1529 | #else |
1504 | RETVAL = -1; |
1530 | RETVAL = ((errno = ENOSYS), -1); |
1505 | errno = ENOSYS; |
|
|
1506 | #endif |
1531 | #endif |
|
|
1532 | } |
1507 | OUTPUT: |
1533 | OUTPUT: |
1508 | RETVAL |
1534 | RETVAL |
1509 | |
1535 | |
1510 | int |
1536 | int |
1511 | munlockall () |
1537 | munlockall () |
1512 | PROTOTYPE: |
|
|
1513 | CODE: |
1538 | CODE: |
1514 | #if _POSIX_MEMLOCK |
1539 | #if _POSIX_MEMLOCK |
1515 | munlockall (); |
1540 | munlockall (); |
1516 | #else |
1541 | #else |
1517 | RETVAL = -1; |
1542 | RETVAL = -1; |