… | |
… | |
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 | #ifndef POSIX_MADV_NORMAL |
|
|
146 | # define POSIX_MADV_NORMAL 0 |
|
|
147 | # define NO_MADVISE 1 |
|
|
148 | #endif |
|
|
149 | #ifndef POSIX_MADV_SEQUENTIAL |
|
|
150 | # define POSIX_MADV_SEQUENTIAL 0 |
|
|
151 | #endif |
|
|
152 | #ifndef POSIX_MADV_RANDOM |
|
|
153 | # define POSIX_MADV_RANDOM 0 |
|
|
154 | #endif |
|
|
155 | #ifndef POSIX_MADV_WILLNEED |
|
|
156 | # define POSIX_MADV_WILLNEED 0 |
|
|
157 | #endif |
|
|
158 | #ifndef POSIX_MADV_DONTNEED |
|
|
159 | # define POSIX_MADV_DONTNEED 0 |
|
|
160 | #endif |
|
|
161 | |
145 | #ifndef ST_NODEV |
162 | #ifndef ST_NODEV |
146 | # define ST_NODEV 0 |
163 | # define ST_NODEV 0 |
147 | #endif |
164 | #endif |
148 | #ifndef ST_NOEXEC |
165 | #ifndef ST_NOEXEC |
149 | # define ST_NOEXEC 0 |
166 | # define ST_NOEXEC 0 |
… | |
… | |
304 | } |
321 | } |
305 | } |
322 | } |
306 | |
323 | |
307 | static int req_invoke (eio_req *req) |
324 | static int req_invoke (eio_req *req) |
308 | { |
325 | { |
309 | dSP; |
|
|
310 | |
|
|
311 | if (req->flags & FLAG_SV2_RO_OFF) |
326 | if (req->flags & FLAG_SV2_RO_OFF) |
312 | SvREADONLY_off (req->sv2); |
327 | SvREADONLY_off (req->sv2); |
313 | |
328 | |
314 | if (!EIO_CANCELLED (req) && req->callback) |
329 | if (!EIO_CANCELLED (req) && req->callback) |
315 | { |
330 | { |
|
|
331 | dSP; |
|
|
332 | static SV *sv_result_cache; /* caches the result integer SV */ |
|
|
333 | SV *sv_result; |
|
|
334 | |
316 | ENTER; |
335 | ENTER; |
317 | SAVETMPS; |
336 | SAVETMPS; |
318 | PUSHMARK (SP); |
337 | PUSHMARK (SP); |
319 | EXTEND (SP, 1); |
338 | EXTEND (SP, 1); |
|
|
339 | |
|
|
340 | /* do not recreate the result IV from scratch each time */ |
|
|
341 | if (expect_true (sv_result_cache)) |
|
|
342 | { |
|
|
343 | sv_result = sv_result_cache; sv_result_cache = 0; |
|
|
344 | SvIV_set (sv_result, req->result); |
|
|
345 | } |
|
|
346 | else |
|
|
347 | { |
|
|
348 | sv_result = newSViv (req->result); |
|
|
349 | SvREADONLY_on (sv_result); |
|
|
350 | } |
320 | |
351 | |
321 | switch (req->type) |
352 | switch (req->type) |
322 | { |
353 | { |
323 | case EIO_READDIR: |
354 | case EIO_READDIR: |
324 | { |
355 | { |
… | |
… | |
469 | case EIO_LSTAT: |
500 | case EIO_LSTAT: |
470 | case EIO_FSTAT: |
501 | case EIO_FSTAT: |
471 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
502 | PL_laststype = req->type == EIO_LSTAT ? OP_LSTAT : OP_STAT; |
472 | PL_laststatval = req->result; |
503 | PL_laststatval = req->result; |
473 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
504 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
474 | PUSHs (sv_2mortal (newSViv (req->result))); |
505 | PUSHs (sv_result); |
475 | break; |
506 | break; |
476 | |
507 | |
477 | case EIO_READ: |
508 | case EIO_READ: |
478 | { |
509 | { |
479 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
510 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
480 | *SvEND (req->sv2) = 0; |
511 | *SvEND (req->sv2) = 0; |
481 | SvPOK_only (req->sv2); |
512 | SvPOK_only (req->sv2); |
482 | SvSETMAGIC (req->sv2); |
513 | SvSETMAGIC (req->sv2); |
483 | PUSHs (sv_2mortal (newSViv (req->result))); |
514 | PUSHs (sv_result); |
484 | } |
515 | } |
485 | break; |
516 | break; |
486 | |
517 | |
487 | case EIO_DUP2: |
518 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
488 | if (req->result > 0) |
519 | if (req->result > 0) |
489 | req->result = 0; |
520 | SvIV_set (sv_result, 0); |
490 | /* FALLTHROUGH */ |
521 | /* FALLTHROUGH */ |
491 | |
522 | |
492 | default: |
523 | default: |
493 | PUSHs (sv_2mortal (newSViv (req->result))); |
524 | PUSHs (sv_result); |
494 | break; |
525 | break; |
495 | } |
526 | } |
496 | |
527 | |
497 | errno = req->errorno; |
528 | errno = req->errorno; |
498 | |
529 | |
499 | PUTBACK; |
530 | PUTBACK; |
500 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
531 | call_sv (req->callback, G_VOID | G_EVAL | G_DISCARD); |
501 | SPAGAIN; |
532 | SPAGAIN; |
|
|
533 | |
|
|
534 | if (expect_false (SvREFCNT (sv_result) != 1 || sv_result_cache)) |
|
|
535 | SvREFCNT_dec (sv_result); |
|
|
536 | else |
|
|
537 | sv_result_cache = sv_result; |
502 | |
538 | |
503 | FREETMPS; |
539 | FREETMPS; |
504 | LEAVE; |
540 | LEAVE; |
505 | |
541 | |
506 | PUTBACK; |
542 | PUTBACK; |
… | |
… | |
601 | errno = old_errno; |
637 | errno = old_errno; |
602 | |
638 | |
603 | mg->mg_obj = 0; /* just in case */ |
639 | mg->mg_obj = 0; /* just in case */ |
604 | |
640 | |
605 | SvREADONLY_off (sv); |
641 | SvREADONLY_off (sv); |
|
|
642 | |
|
|
643 | if (SvPVX (sv) != mg->mg_ptr) |
|
|
644 | croak ("ERROR: IO::AIO::mmap-mapped scalar changed location, detected"); |
|
|
645 | |
606 | SvCUR_set (sv, 0); |
646 | SvCUR_set (sv, 0); |
607 | SvLEN_set (sv, 0); |
|
|
608 | SvPVX (sv) = 0; |
647 | SvPVX (sv) = 0; |
609 | SvOK_off (sv); |
648 | SvOK_off (sv); |
610 | |
649 | |
611 | return 0; |
650 | return 0; |
612 | } |
651 | } |
… | |
… | |
677 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
716 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
678 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
717 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
679 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
718 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
680 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
719 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
681 | |
720 | |
|
|
721 | const_niv (MADV_NORMAL , POSIX_MADV_NORMAL) |
|
|
722 | const_niv (MADV_SEQUENTIAL, POSIX_MADV_SEQUENTIAL) |
|
|
723 | const_niv (MADV_RANDOM , POSIX_MADV_RANDOM) |
|
|
724 | const_niv (MADV_WILLNEED , POSIX_MADV_WILLNEED) |
|
|
725 | const_niv (MADV_DONTNEED , POSIX_MADV_DONTNEED) |
|
|
726 | |
682 | const_iv (ST_RDONLY) |
727 | const_iv (ST_RDONLY) |
683 | const_iv (ST_NOSUID) |
728 | const_iv (ST_NOSUID) |
684 | const_iv (ST_NODEV) |
729 | const_iv (ST_NODEV) |
685 | const_iv (ST_NOEXEC) |
730 | const_iv (ST_NOEXEC) |
686 | const_iv (ST_SYNCHRONOUS) |
731 | const_iv (ST_SYNCHRONOUS) |
… | |
… | |
1367 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1412 | int fd = SvOK (fh) ? s_fileno_croak (fh, flags & PROT_WRITE) : -1; |
1368 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1413 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1369 | if (addr == (void *)-1) |
1414 | if (addr == (void *)-1) |
1370 | XSRETURN_NO; |
1415 | XSRETURN_NO; |
1371 | |
1416 | |
|
|
1417 | sv_force_normal (scalar); |
|
|
1418 | |
1372 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
1419 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
1373 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1420 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1374 | ->mg_obj = (SV *)length; |
1421 | ->mg_obj = (SV *)length; |
1375 | |
1422 | |
1376 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1423 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1424 | |
1377 | if (!(prot & PROT_WRITE)) |
1425 | if (!(prot & PROT_WRITE)) |
1378 | SvREADONLY_on (scalar); |
1426 | SvREADONLY_on (scalar); |
|
|
1427 | |
|
|
1428 | if (SvLEN (scalar)) |
|
|
1429 | Safefree (SvPVX (scalar)); |
1379 | |
1430 | |
1380 | SvPVX (scalar) = (char *)addr; |
1431 | SvPVX (scalar) = (char *)addr; |
1381 | SvCUR_set (scalar, length); |
1432 | SvCUR_set (scalar, length); |
1382 | SvLEN_set (scalar, 0); |
1433 | SvLEN_set (scalar, 0); |
1383 | SvPOK_only (scalar); |
1434 | SvPOK_only (scalar); |
… | |
… | |
1388 | void |
1439 | void |
1389 | munmap (SV *scalar) |
1440 | munmap (SV *scalar) |
1390 | PROTOTYPE: $ |
1441 | PROTOTYPE: $ |
1391 | CODE: |
1442 | CODE: |
1392 | sv_unmagic (scalar, MMAP_MAGIC); |
1443 | sv_unmagic (scalar, MMAP_MAGIC); |
|
|
1444 | |
|
|
1445 | int |
|
|
1446 | madvise (SV *scalar, off_t offset, off_t length, IV advice) |
|
|
1447 | PROTOTYPE: $$$$ |
|
|
1448 | CODE: |
|
|
1449 | { |
|
|
1450 | char *addr = SvPV_nolen (scalar) + offset; |
|
|
1451 | |
|
|
1452 | if (!SvOK (ST (2))) |
|
|
1453 | length = SvCUR (scalar) - offset; |
|
|
1454 | |
|
|
1455 | if (addr >= SvEND (scalar) || length <= 0) |
|
|
1456 | XSRETURN_EMPTY; |
|
|
1457 | |
|
|
1458 | #if _XOPEN_SOURCE >= 600 && !NO_MADVISE |
|
|
1459 | RETVAL = posix_madvise (addr, length, advice); |
|
|
1460 | #else |
|
|
1461 | RETVAL = errno = ENOSYS; /* yes, this is actually correct */ |
|
|
1462 | #endif |
|
|
1463 | } |
|
|
1464 | OUTPUT: |
|
|
1465 | RETVAL |
1393 | |
1466 | |
1394 | int |
1467 | int |
1395 | mlockall (int flags) |
1468 | mlockall (int flags) |
1396 | PROTOTYPE: $ |
1469 | PROTOTYPE: $ |
1397 | CODE: |
1470 | CODE: |