| … | |
… | |
| 16 | #include <sys/statvfs.h> |
16 | #include <sys/statvfs.h> |
| 17 | #include <limits.h> |
17 | #include <limits.h> |
| 18 | #include <fcntl.h> |
18 | #include <fcntl.h> |
| 19 | #include <sched.h> |
19 | #include <sched.h> |
| 20 | |
20 | |
| 21 | #if _POSIX_MEMLOCK |
21 | #if _POSIX_MEMLOCK || _POSIX_MAPPED_FILES |
| 22 | # include <sys/mman.h> |
22 | # include <sys/mman.h> |
| 23 | #endif |
23 | #endif |
| 24 | |
24 | |
| 25 | /* perl namespace pollution */ |
25 | /* perl namespace pollution */ |
| 26 | #undef VERSION |
26 | #undef VERSION |
| … | |
… | |
| 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 | |
|
|
149 | #ifndef POSIX_MADV_NORMAL |
|
|
150 | # define POSIX_MADV_NORMAL 0 |
|
|
151 | # define NO_MADVISE 1 |
|
|
152 | #endif |
|
|
153 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
154 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
155 | #endif |
|
|
156 | #ifndef POSIX_MADV_RANDOM |
|
|
157 | # define POSIX_MADV_RANDOM 0 |
|
|
158 | #endif |
|
|
159 | #ifndef POSIX_MADV_WILLNEED |
|
|
160 | # define POSIX_MADV_WILLNEED 0 |
|
|
161 | #endif |
|
|
162 | #ifndef POSIX_MADV_DONTNEED |
|
|
163 | # define POSIX_MADV_DONTNEED 0 |
|
|
164 | #endif |
|
|
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 | |
| 145 | #ifndef ST_NODEV |
183 | #ifndef ST_NODEV |
| 146 | # define ST_NODEV 0 |
184 | # define ST_NODEV 0 |
| 147 | #endif |
185 | #endif |
| 148 | #ifndef ST_NOEXEC |
186 | #ifndef ST_NOEXEC |
| 149 | # define ST_NOEXEC 0 |
187 | # define ST_NOEXEC 0 |
| … | |
… | |
| 176 | #ifndef MCL_CURRENT |
214 | #ifndef MCL_CURRENT |
| 177 | # define MCL_CURRENT 0 |
215 | # define MCL_CURRENT 0 |
| 178 | #endif |
216 | #endif |
| 179 | #ifndef MCL_FUTURE |
217 | #ifndef MCL_FUTURE |
| 180 | # define MCL_FUTURE 0 |
218 | # define MCL_FUTURE 0 |
|
|
219 | #endif |
|
|
220 | |
|
|
221 | #ifndef MAP_ANONYMOUS |
|
|
222 | # ifdef MAP_ANON |
|
|
223 | # define MAP_ANONYMOUS MAP_ANON |
|
|
224 | # else |
|
|
225 | # define MAP_ANONYMOUS MAP_FIXED /* and hope this fails */ |
|
|
226 | # endif |
|
|
227 | #endif |
|
|
228 | #ifndef MAP_HUGETLB |
|
|
229 | # define MAP_HUGETLB 0 |
|
|
230 | #endif |
|
|
231 | #ifndef MAP_LOCKED |
|
|
232 | # define MAP_LOCKED 0 |
|
|
233 | #endif |
|
|
234 | #ifndef MAP_NORESERVE |
|
|
235 | # define MAP_NORESERVE 0 |
|
|
236 | #endif |
|
|
237 | #ifndef MAP_POPULATE |
|
|
238 | # define MAP_POPULATE 0 |
|
|
239 | #endif |
|
|
240 | #ifndef MAP_NONBLOCK |
|
|
241 | # define MAP_NONBLOCK 0 |
|
|
242 | #endif |
|
|
243 | |
|
|
244 | #ifndef PAGESIZE |
|
|
245 | # define PAGESIZE sysconf (_SC_PAGESIZE) |
| 181 | #endif |
246 | #endif |
| 182 | |
247 | |
| 183 | static int req_invoke (eio_req *req); |
248 | static int req_invoke (eio_req *req); |
| 184 | #define EIO_FINISH(req) req_invoke (req) |
249 | #define EIO_FINISH(req) req_invoke (req) |
| 185 | static void req_destroy (eio_req *grp); |
250 | static void req_destroy (eio_req *grp); |
| … | |
… | |
| 277 | } |
342 | } |
| 278 | } |
343 | } |
| 279 | |
344 | |
| 280 | static int req_invoke (eio_req *req) |
345 | static int req_invoke (eio_req *req) |
| 281 | { |
346 | { |
| 282 | dSP; |
|
|
| 283 | |
|
|
| 284 | if (req->flags & FLAG_SV2_RO_OFF) |
347 | if (req->flags & FLAG_SV2_RO_OFF) |
| 285 | SvREADONLY_off (req->sv2); |
348 | SvREADONLY_off (req->sv2); |
| 286 | |
349 | |
| 287 | if (!EIO_CANCELLED (req) && req->callback) |
350 | if (!EIO_CANCELLED (req) && req->callback) |
| 288 | { |
351 | { |
|
|
352 | dSP; |
|
|
353 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
354 | SV *sv_result; |
|
|
355 | |
| 289 | ENTER; |
356 | ENTER; |
| 290 | SAVETMPS; |
357 | SAVETMPS; |
| 291 | PUSHMARK (SP); |
358 | PUSHMARK (SP); |
| 292 | EXTEND (SP, 1); |
359 | EXTEND (SP, 1); |
|
|
360 | |
|
|
361 | /* do not recreate the result IV from scratch each time */ |
|
|
362 | if (expect_true (sv_result_cache)) |
|
|
363 | { |
|
|
364 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
365 | SvIV_set (sv_result, req->result); |
|
|
366 | } |
|
|
367 | else |
|
|
368 | { |
|
|
369 | sv_result = newSViv (req->result); |
|
|
370 | SvREADONLY_on (sv_result); |
|
|
371 | } |
| 293 | |
372 | |
| 294 | switch (req->type) |
373 | switch (req->type) |
| 295 | { |
374 | { |
| 296 | case EIO_READDIR: |
375 | case EIO_READDIR: |
| 297 | { |
376 | { |
| … | |
… | |
| 442 | case EIO_LSTAT: |
521 | case EIO_LSTAT: |
| 443 | case EIO_FSTAT: |
522 | case EIO_FSTAT: |
| 444 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
523 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
| 445 | PL_laststatval = req->result; |
524 | PL_laststatval = req->result; |
| 446 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
525 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
| 447 | PUSHs (sv_2mortal (newSViv (req->result))); |
526 | PUSHs (sv_result); |
| 448 | break; |
527 | break; |
| 449 | |
528 | |
| 450 | case EIO_READ: |
529 | case EIO_READ: |
| 451 | { |
530 | { |
| 452 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
531 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
| 453 | *SvEND (req->sv2) = 0; |
532 | *SvEND (req->sv2) = 0; |
| 454 | SvPOK_only (req->sv2); |
533 | SvPOK_only (req->sv2); |
| 455 | SvSETMAGIC (req->sv2); |
534 | SvSETMAGIC (req->sv2); |
| 456 | PUSHs (sv_2mortal (newSViv (req->result))); |
535 | PUSHs (sv_result); |
| 457 | } |
536 | } |
| 458 | break; |
537 | break; |
| 459 | |
538 | |
| 460 | case EIO_DUP2: |
539 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
| 461 | if (req->result > 0) |
540 | if (req->result > 0) |
| 462 | req->result = 0; |
541 | SvIV_set (sv_result, 0); |
| 463 | /* FALLTHROUGH */ |
542 | /* FALLTHROUGH */ |
| 464 | |
543 | |
| 465 | default: |
544 | default: |
| 466 | PUSHs (sv_2mortal (newSViv (req->result))); |
545 | PUSHs (sv_result); |
| 467 | break; |
546 | break; |
| 468 | } |
547 | } |
| 469 | |
548 | |
| 470 | errno = req->errorno; |
549 | errno = req->errorno; |
| 471 | |
550 | |
| 472 | PUTBACK; |
551 | PUTBACK; |
| 473 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
552 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
| 474 | SPAGAIN; |
553 | SPAGAIN; |
|
|
554 | |
|
|
555 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
556 | SvREFCNT_dec (sv_result); |
|
|
557 | else |
|
|
558 | sv_result_cache = sv_result; |
| 475 | |
559 | |
| 476 | FREETMPS; |
560 | FREETMPS; |
| 477 | LEAVE; |
561 | LEAVE; |
| 478 | |
562 | |
| 479 | PUTBACK; |
563 | PUTBACK; |
| … | |
… | |
| 554 | |
638 | |
| 555 | static void atfork_child (void) |
639 | static void atfork_child (void) |
| 556 | { |
640 | { |
| 557 | create_respipe (); |
641 | create_respipe (); |
| 558 | } |
642 | } |
|
|
643 | |
|
|
644 | /*****************************************************************************/ |
|
|
645 | |
|
|
646 | #if !_POSIX_MAPPED_FILES |
|
|
647 | # define mmap(addr,length,prot,flags,fd,offs) (errno = ENOSYS, -1) |
|
|
648 | # define munmap(addr,length) (errno = ENOSYS, -1) |
|
|
649 | # define mprotect(addr,len,prot) (errno = ENOSYS, -1) |
|
|
650 | #endif |
|
|
651 | |
|
|
652 | #define MMAP_MAGIC PERL_MAGIC_ext |
|
|
653 | |
|
|
654 | static int |
|
|
655 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
|
|
656 | { |
|
|
657 | int old_errno = errno; |
|
|
658 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
|
|
659 | errno = old_errno; |
|
|
660 | |
|
|
661 | mg->mg_obj = 0; /* just in case */ |
|
|
662 | |
|
|
663 | SvREADONLY_off (sv); |
|
|
664 | |
|
|
665 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
666 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
667 | |
|
|
668 | SvCUR_set (sv, 0); |
|
|
669 | SvPVX (sv) = 0; |
|
|
670 | SvOK_off (sv); |
|
|
671 | |
|
|
672 | return 0; |
|
|
673 | } |
|
|
674 | |
|
|
675 | static MGVTBL mmap_vtbl = { |
|
|
676 | 0, 0, 0, 0, mmap_free |
|
|
677 | }; |
|
|
678 | |
|
|
679 | /*****************************************************************************/ |
| 559 | |
680 | |
| 560 | static SV * |
681 | static SV * |
| 561 | get_cb (SV *cb_sv) |
682 | get_cb (SV *cb_sv) |
| 562 | { |
683 | { |
| 563 | SvGETMAGIC (cb_sv); |
684 | SvGETMAGIC (cb_sv); |
| … | |
… | |
| 595 | { |
716 | { |
| 596 | static const struct { |
717 | static const struct { |
| 597 | const char *name; |
718 | const char *name; |
| 598 | IV iv; |
719 | IV iv; |
| 599 | } *civ, const_iv[] = { |
720 | } *civ, const_iv[] = { |
| 600 | # define const_iv(name, value) { # name, (IV) value }, |
721 | # define const_niv(name, value) { # name, (IV) value }, |
|
|
722 | # define const_iv(name) { # name, (IV) name }, |
| 601 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
723 | # define const_eio(name) { # name, (IV) EIO_ ## name }, |
| 602 | const_iv (EXDEV , EXDEV) |
724 | const_iv (EXDEV) |
| 603 | const_iv (ENOSYS , ENOSYS) |
725 | const_iv (ENOSYS) |
| 604 | const_iv (O_RDONLY, O_RDONLY) |
726 | const_iv (O_RDONLY) |
| 605 | const_iv (O_WRONLY, O_WRONLY) |
727 | const_iv (O_WRONLY) |
|
|
728 | const_iv (O_RDWR) |
| 606 | const_iv (O_CREAT , O_CREAT) |
729 | const_iv (O_CREAT) |
| 607 | const_iv (O_TRUNC , O_TRUNC) |
730 | const_iv (O_TRUNC) |
|
|
731 | const_iv (O_EXCL) |
|
|
732 | const_iv (O_APPEND) |
| 608 | #ifndef _WIN32 |
733 | #ifndef _WIN32 |
| 609 | const_iv (S_IFIFO , S_IFIFO) |
734 | const_iv (S_IFIFO) |
| 610 | #endif |
735 | #endif |
| 611 | const_iv (FADV_NORMAL , POSIX_FADV_NORMAL) |
736 | const_niv (FADV_NORMAL , POSIX_FADV_NORMAL) |
| 612 | const_iv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
737 | const_niv (FADV_SEQUENTIAL, POSIX_FADV_SEQUENTIAL) |
| 613 | const_iv (FADV_RANDOM , POSIX_FADV_RANDOM) |
738 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
| 614 | const_iv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
739 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
| 615 | const_iv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
740 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
| 616 | const_iv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
741 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
| 617 | |
742 | |
| 618 | const_iv (ST_RDONLY , ST_RDONLY) |
743 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
| 619 | const_iv (ST_NOSUID , ST_NOSUID) |
744 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
| 620 | const_iv (ST_NODEV , ST_NODEV) |
745 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
| 621 | const_iv (ST_NOEXEC , ST_NOEXEC) |
746 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
747 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
748 | |
|
|
749 | const_iv (ST_RDONLY) |
|
|
750 | const_iv (ST_NOSUID) |
|
|
751 | const_iv (ST_NODEV) |
|
|
752 | const_iv (ST_NOEXEC) |
| 622 | const_iv (ST_SYNCHRONOUS , ST_SYNCHRONOUS) |
753 | const_iv (ST_SYNCHRONOUS) |
| 623 | const_iv (ST_MANDLOCK , ST_MANDLOCK) |
754 | const_iv (ST_MANDLOCK) |
| 624 | const_iv (ST_WRITE , ST_WRITE) |
755 | const_iv (ST_WRITE) |
| 625 | const_iv (ST_APPEND , ST_APPEND) |
756 | const_iv (ST_APPEND) |
| 626 | const_iv (ST_IMMUTABLE , ST_IMMUTABLE) |
757 | const_iv (ST_IMMUTABLE) |
| 627 | const_iv (ST_NOATIME , ST_NOATIME) |
758 | const_iv (ST_NOATIME) |
| 628 | const_iv (ST_NODIRATIME , ST_NODIRATIME) |
759 | const_iv (ST_NODIRATIME) |
| 629 | const_iv (ST_RELATIME , ST_RELATIME) |
760 | const_iv (ST_RELATIME) |
| 630 | |
761 | |
| 631 | const_iv (MCL_FUTURE , MCL_FUTURE) |
762 | const_iv (PROT_NONE) |
|
|
763 | const_iv (PROT_EXEC) |
|
|
764 | const_iv (PROT_READ) |
|
|
765 | const_iv (PROT_WRITE) |
|
|
766 | |
|
|
767 | /*const_iv (MAP_FIXED)*/ |
|
|
768 | const_iv (MAP_PRIVATE) |
|
|
769 | const_iv (MAP_SHARED) |
|
|
770 | const_iv (MAP_ANONYMOUS) |
|
|
771 | |
|
|
772 | /* linuxish */ |
|
|
773 | const_iv (MAP_HUGETLB) |
|
|
774 | const_iv (MAP_LOCKED) |
|
|
775 | const_iv (MAP_NORESERVE) |
|
|
776 | const_iv (MAP_POPULATE) |
|
|
777 | const_iv (MAP_NONBLOCK) |
|
|
778 | |
|
|
779 | const_iv (MCL_FUTURE) |
| 632 | const_iv (MCL_CURRENT , MCL_CURRENT) |
780 | const_iv (MCL_CURRENT) |
| 633 | |
781 | |
| 634 | const_eio (MS_ASYNC) |
782 | const_eio (MS_ASYNC) |
| 635 | const_eio (MS_INVALIDATE) |
783 | const_eio (MS_INVALIDATE) |
| 636 | const_eio (MS_SYNC) |
784 | const_eio (MS_SYNC) |
| 637 | |
785 | |
| … | |
… | |
| 661 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
809 | aio_req_stash = gv_stashpv ("IO::AIO::REQ", 1); |
| 662 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
810 | aio_grp_stash = gv_stashpv ("IO::AIO::GRP", 1); |
| 663 | |
811 | |
| 664 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
812 | for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
| 665 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
813 | newCONSTSUB (aio_stash, (char *)civ->name, newSViv (civ->iv)); |
|
|
814 | |
|
|
815 | newCONSTSUB (aio_stash, "PAGESIZE", newSViv (PAGESIZE)); |
| 666 | |
816 | |
| 667 | create_respipe (); |
817 | create_respipe (); |
| 668 | |
818 | |
| 669 | if (eio_init (want_poll, done_poll) < 0) |
819 | if (eio_init (want_poll, done_poll) < 0) |
| 670 | croak ("IO::AIO: unable to initialise eio library"); |
820 | croak ("IO::AIO: unable to initialise eio library"); |
| … | |
… | |
| 1257 | |
1407 | |
| 1258 | int |
1408 | int |
| 1259 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
1409 | fadvise (aio_rfd fh, off_t offset, off_t length, IV advice) |
| 1260 | PROTOTYPE: $$$$ |
1410 | PROTOTYPE: $$$$ |
| 1261 | CODE: |
1411 | CODE: |
| 1262 | #if _XOPEN_SOURCE >= 600 && !NO_FADVISE |
|
|
| 1263 | RETVAL = posix_fadvise (fh, offset, length, advice); |
1412 | RETVAL = posix_fadvise (fh, offset, length, advice); |
| 1264 | #else |
|
|
| 1265 | RETVAL = errno = ENOSYS; |
|
|
| 1266 | #endif |
|
|
| 1267 | OUTPUT: |
1413 | OUTPUT: |
| 1268 | RETVAL |
1414 | RETVAL |
| 1269 | |
1415 | |
| 1270 | ssize_t |
1416 | ssize_t |
| 1271 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
1417 | sendfile (aio_wfd ofh, aio_rfd ifh, off_t offset, size_t count) |
| 1272 | PROTOTYPE: $$$$ |
1418 | PROTOTYPE: $$$$ |
| 1273 | CODE: |
1419 | CODE: |
| 1274 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
1420 | RETVAL = eio_sendfile_sync (ofh, ifh, offset, count); |
|
|
1421 | OUTPUT: |
|
|
1422 | RETVAL |
|
|
1423 | |
|
|
1424 | void |
|
|
1425 | mmap (SV *scalar, size_t length, int prot, int flags, SV *fh, off_t offset = 0) |
|
|
1426 | PROTOTYPE: $$$$$;$ |
|
|
1427 | PPCODE: |
|
|
1428 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1429 | { |
|
|
1430 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
|
|
1431 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
|
|
1432 | if (addr == (void *)-1) |
|
|
1433 | XSRETURN_NO; |
|
|
1434 | |
|
|
1435 | sv_force_normal (scalar); |
|
|
1436 | |
|
|
1437 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
|
|
1438 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
|
|
1439 | ->mg_obj = (SV *)length; |
|
|
1440 | |
|
|
1441 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1442 | |
|
|
1443 | if (!(prot & PROT_WRITE)) |
|
|
1444 | SvREADONLY_on (scalar); |
|
|
1445 | |
|
|
1446 | if (SvLEN (scalar)) |
|
|
1447 | Safefree (SvPVX (scalar)); |
|
|
1448 | |
|
|
1449 | SvPVX (scalar) = (char *)addr; |
|
|
1450 | SvCUR_set (scalar, length); |
|
|
1451 | SvLEN_set (scalar, 0); |
|
|
1452 | SvPOK_only (scalar); |
|
|
1453 | |
|
|
1454 | XSRETURN_YES; |
|
|
1455 | } |
|
|
1456 | |
|
|
1457 | void |
|
|
1458 | munmap (SV *scalar) |
|
|
1459 | PROTOTYPE: $ |
|
|
1460 | CODE: |
|
|
1461 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1462 | |
|
|
1463 | int |
|
|
1464 | madvise (SV *scalar, off_t offset, off_t length, IV advice_or_prot) |
|
|
1465 | ALIAS: |
|
|
1466 | mprotect = 1 |
|
|
1467 | PROTOTYPE: $$$$ |
|
|
1468 | CODE: |
|
|
1469 | { |
|
|
1470 | STRLEN cur; |
|
|
1471 | char *addr = SvPVbyte (scalar, cur); |
|
|
1472 | |
|
|
1473 | if (offset > cur) |
|
|
1474 | RETVAL = errno = EFAULT; |
|
|
1475 | else |
|
|
1476 | { |
|
|
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; |
|
|
1486 | case 1: RETVAL = mprotect (addr + offset, length, advice_or_prot); break; |
|
|
1487 | } |
|
|
1488 | } |
|
|
1489 | } |
| 1275 | OUTPUT: |
1490 | OUTPUT: |
| 1276 | RETVAL |
1491 | RETVAL |
| 1277 | |
1492 | |
| 1278 | int |
1493 | int |
| 1279 | mlockall (int flags) |
1494 | mlockall (int flags) |
| … | |
… | |
| 1284 | extern int mallopt (int, int); |
1499 | extern int mallopt (int, int); |
| 1285 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
1500 | mallopt (-6, 238); /* http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=473812 */ |
| 1286 | #endif |
1501 | #endif |
| 1287 | mlockall (flags); |
1502 | mlockall (flags); |
| 1288 | #else |
1503 | #else |
| 1289 | RETVAL ＝-1; |
1504 | RETVAL = -1; |
| 1290 | errno = ENOSYS; |
1505 | errno = ENOSYS; |
| 1291 | #endif |
1506 | #endif |
| 1292 | OUTPUT: |
1507 | OUTPUT: |
| 1293 | RETVAL |
1508 | RETVAL |
| 1294 | |
1509 | |
| … | |
… | |
| 1297 | PROTOTYPE: |
1512 | PROTOTYPE: |
| 1298 | CODE: |
1513 | CODE: |
| 1299 | #if _POSIX_MEMLOCK |
1514 | #if _POSIX_MEMLOCK |
| 1300 | munlockall (); |
1515 | munlockall (); |
| 1301 | #else |
1516 | #else |
| 1302 | RETVAL ＝-1; |
1517 | RETVAL = -1; |
| 1303 | errno = ENOSYS; |
1518 | errno = ENOSYS; |
| 1304 | #endif |
1519 | #endif |
| 1305 | OUTPUT: |
1520 | OUTPUT: |
| 1306 | RETVAL |
1521 | RETVAL |
| 1307 | |
1522 | |
