… | |
… | |
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 |
… | |
… | |
496 | SvSETMAGIC (req->sv2); |
513 | SvSETMAGIC (req->sv2); |
497 | PUSHs (sv_result); |
514 | PUSHs (sv_result); |
498 | } |
515 | } |
499 | break; |
516 | break; |
500 | |
517 | |
501 | case EIO_DUP2: |
518 | case EIO_DUP2: /* EIO_DUP2 actually means aio_close(), su fudge result value */ |
502 | if (req->result > 0) |
519 | if (req->result > 0) |
503 | SvIV_set (sv_result, 0); |
520 | SvIV_set (sv_result, 0); |
504 | /* FALLTHROUGH */ |
521 | /* FALLTHROUGH */ |
505 | |
522 | |
506 | default: |
523 | default: |
… | |
… | |
620 | errno = old_errno; |
637 | errno = old_errno; |
621 | |
638 | |
622 | mg->mg_obj = 0; /* just in case */ |
639 | mg->mg_obj = 0; /* just in case */ |
623 | |
640 | |
624 | 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 | |
625 | SvCUR_set (sv, 0); |
646 | SvCUR_set (sv, 0); |
626 | SvLEN_set (sv, 0); |
|
|
627 | SvPVX (sv) = 0; |
647 | SvPVX (sv) = 0; |
628 | SvOK_off (sv); |
648 | SvOK_off (sv); |
629 | |
649 | |
630 | return 0; |
650 | return 0; |
631 | } |
651 | } |
… | |
… | |
696 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
716 | const_niv (FADV_RANDOM , POSIX_FADV_RANDOM) |
697 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
717 | const_niv (FADV_NOREUSE , POSIX_FADV_NOREUSE) |
698 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
718 | const_niv (FADV_WILLNEED , POSIX_FADV_WILLNEED) |
699 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
719 | const_niv (FADV_DONTNEED , POSIX_FADV_DONTNEED) |
700 | |
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 | |
701 | const_iv (ST_RDONLY) |
727 | const_iv (ST_RDONLY) |
702 | const_iv (ST_NOSUID) |
728 | const_iv (ST_NOSUID) |
703 | const_iv (ST_NODEV) |
729 | const_iv (ST_NODEV) |
704 | const_iv (ST_NOEXEC) |
730 | const_iv (ST_NOEXEC) |
705 | const_iv (ST_SYNCHRONOUS) |
731 | const_iv (ST_SYNCHRONOUS) |
… | |
… | |
1386 | 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; |
1387 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1413 | void *addr = (void *)mmap (0, length, prot, flags, fd, offset); |
1388 | if (addr == (void *)-1) |
1414 | if (addr == (void *)-1) |
1389 | XSRETURN_NO; |
1415 | XSRETURN_NO; |
1390 | |
1416 | |
|
|
1417 | sv_force_normal (scalar); |
|
|
1418 | |
1391 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
1419 | /* we store the length in mg_obj, as namlen is I32 :/ */ |
1392 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1420 | sv_magicext (scalar, 0, MMAP_MAGIC, &mmap_vtbl, (char *)addr, 0) |
1393 | ->mg_obj = (SV *)length; |
1421 | ->mg_obj = (SV *)length; |
1394 | |
1422 | |
1395 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
1423 | SvUPGRADE (scalar, SVt_PV); /* nop... */ |
|
|
1424 | |
1396 | if (!(prot & PROT_WRITE)) |
1425 | if (!(prot & PROT_WRITE)) |
1397 | SvREADONLY_on (scalar); |
1426 | SvREADONLY_on (scalar); |
|
|
1427 | |
|
|
1428 | if (SvLEN (scalar)) |
|
|
1429 | Safefree (SvPVX (scalar)); |
1398 | |
1430 | |
1399 | SvPVX (scalar) = (char *)addr; |
1431 | SvPVX (scalar) = (char *)addr; |
1400 | SvCUR_set (scalar, length); |
1432 | SvCUR_set (scalar, length); |
1401 | SvLEN_set (scalar, 0); |
1433 | SvLEN_set (scalar, 0); |
1402 | SvPOK_only (scalar); |
1434 | SvPOK_only (scalar); |
… | |
… | |
1407 | void |
1439 | void |
1408 | munmap (SV *scalar) |
1440 | munmap (SV *scalar) |
1409 | PROTOTYPE: $ |
1441 | PROTOTYPE: $ |
1410 | CODE: |
1442 | CODE: |
1411 | 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 |
1412 | |
1466 | |
1413 | int |
1467 | int |
1414 | mlockall (int flags) |
1468 | mlockall (int flags) |
1415 | PROTOTYPE: $ |
1469 | PROTOTYPE: $ |
1416 | CODE: |
1470 | CODE: |