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111 | |
111 | |
112 | #include "libeio/eio.h" |
112 | #include "libeio/eio.h" |
113 | |
113 | |
114 | static int req_invoke (eio_req *req); |
114 | static int req_invoke (eio_req *req); |
115 | #define EIO_FINISH(req) req_invoke (req) |
115 | #define EIO_FINISH(req) req_invoke (req) |
116 | static void aio_grp_feed (eio_req *grp); |
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117 | #define EIO_FEED(req) aio_grp_feed (req) |
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118 | static void req_destroy (eio_req *grp); |
116 | static void req_destroy (eio_req *grp); |
119 | #define EIO_DESTROY(req) req_destroy (req) |
117 | #define EIO_DESTROY(req) req_destroy (req) |
120 | |
118 | |
121 | enum { |
119 | enum { |
122 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
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214 | dSP; |
212 | dSP; |
215 | |
213 | |
216 | if (req->flags & FLAG_SV2_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
217 | SvREADONLY_off (req->sv2); |
215 | SvREADONLY_off (req->sv2); |
218 | |
216 | |
219 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
220 | { |
218 | { |
221 | ENTER; |
219 | ENTER; |
222 | SAVETMPS; |
220 | SAVETMPS; |
223 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
224 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
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461 | static void atfork_child (void) |
459 | static void atfork_child (void) |
462 | { |
460 | { |
463 | create_respipe (); |
461 | create_respipe (); |
464 | } |
462 | } |
465 | |
463 | |
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464 | static SV * |
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465 | get_cb (SV *cb_sv) |
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466 | { |
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467 | HV *st; |
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468 | GV *gvp; |
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469 | CV *cv; |
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470 | |
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471 | if (!SvOK (cb_sv)) |
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472 | return 0; |
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473 | |
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474 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
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475 | |
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476 | if (!cv) |
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477 | croak ("IO::AIO callback must be undef or a CODE reference"); |
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478 | |
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479 | return (SV *)cv; |
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480 | } |
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481 | |
466 | #define dREQ \ |
482 | #define dREQ \ |
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483 | SV *cb_cv; \ |
467 | aio_req req; \ |
484 | aio_req req; \ |
468 | int req_pri = next_pri; \ |
485 | int req_pri = next_pri; \ |
469 | next_pri = EIO_PRI_DEFAULT; \ |
486 | next_pri = EIO_PRI_DEFAULT; \ |
470 | \ |
487 | \ |
471 | if (SvOK (callback) && !SvROK (callback)) \ |
488 | cb_cv = get_cb (callback); \ |
472 | croak ("callback must be undef or of reference type"); \ |
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473 | \ |
489 | \ |
474 | Newz (0, req, 1, eio_req); \ |
490 | Newz (0, req, 1, eio_req); \ |
475 | if (!req) \ |
491 | if (!req) \ |
476 | croak ("out of memory during eio_req allocation"); \ |
492 | croak ("out of memory during eio_req allocation"); \ |
477 | \ |
493 | \ |
478 | req->callback = newSVsv (callback); \ |
494 | req->callback = SvREFCNT_inc (cb_cv); \ |
479 | req->pri = req_pri |
495 | req->pri = req_pri |
480 | |
496 | |
481 | #define REQ_SEND \ |
497 | #define REQ_SEND \ |
482 | PUTBACK; \ |
498 | PUTBACK; \ |
483 | req_submit (req); \ |
499 | req_submit (req); \ |
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500 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
516 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
501 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
517 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
502 | #ifndef _WIN32 |
518 | #ifndef _WIN32 |
503 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
519 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
504 | #endif |
520 | #endif |
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521 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
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522 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
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523 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
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524 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
505 | |
525 | |
506 | create_respipe (); |
526 | create_respipe (); |
507 | |
527 | |
508 | if (eio_init (want_poll, done_poll) < 0) |
528 | if (eio_init (want_poll, done_poll) < 0) |
509 | croak ("IO::AIO: unable to initialise eio library"); |
529 | croak ("IO::AIO: unable to initialise eio library"); |
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575 | dREQ; |
595 | dREQ; |
576 | |
596 | |
577 | req->type = ix; |
597 | req->type = ix; |
578 | req->sv1 = newSVsv (fh); |
598 | req->sv1 = newSVsv (fh); |
579 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
599 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
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600 | |
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601 | REQ_SEND (req); |
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602 | } |
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603 | |
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604 | void |
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605 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
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606 | PROTOTYPE: $$$$;$ |
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607 | PPCODE: |
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608 | { |
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609 | dREQ; |
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610 | |
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611 | req->type = EIO_SYNC_FILE_RANGE; |
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612 | req->sv1 = newSVsv (fh); |
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613 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
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614 | req->offs = SvVAL64 (offset); |
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615 | req->size = SvVAL64 (nbytes); |
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616 | req->int2 = flags; |
580 | |
617 | |
581 | REQ_SEND (req); |
618 | REQ_SEND (req); |
582 | } |
619 | } |
583 | |
620 | |
584 | void |
621 | void |
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618 | PPCODE: |
655 | PPCODE: |
619 | { |
656 | { |
620 | STRLEN svlen; |
657 | STRLEN svlen; |
621 | char *svptr = SvPVbyte (data, svlen); |
658 | char *svptr = SvPVbyte (data, svlen); |
622 | UV len = SvUV (length); |
659 | UV len = SvUV (length); |
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660 | int fd; |
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661 | |
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662 | if (SvTYPE (data) > SVt_PVMG) |
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663 | croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data)); |
623 | |
664 | |
624 | SvUPGRADE (data, SVt_PV); |
665 | SvUPGRADE (data, SVt_PV); |
625 | SvPOK_on (data); |
666 | SvPOK_only (data); |
626 | |
667 | |
627 | if (dataoffset < 0) |
668 | if (dataoffset < 0) |
628 | dataoffset += svlen; |
669 | dataoffset += svlen; |
629 | |
670 | |
630 | if (dataoffset < 0 || dataoffset > svlen) |
671 | if (dataoffset < 0 || dataoffset > svlen) |
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643 | } |
684 | } |
644 | |
685 | |
645 | if (len < 0) |
686 | if (len < 0) |
646 | croak ("length must not be negative"); |
687 | croak ("length must not be negative"); |
647 | |
688 | |
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689 | fd = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
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690 | : IoOFP (sv_2io (fh))); |
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691 | |
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692 | if (fd < 0) |
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693 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
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694 | |
648 | { |
695 | { |
649 | dREQ; |
696 | dREQ; |
650 | |
697 | |
651 | req->type = ix; |
698 | req->type = ix; |
652 | req->sv1 = newSVsv (fh); |
699 | req->sv1 = newSVsv (fh); |
653 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
700 | req->int1 = df; |
654 | : IoOFP (sv_2io (fh))); |
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655 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
701 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
656 | req->size = len; |
702 | req->size = len; |
657 | req->sv2 = SvREFCNT_inc (data); |
703 | req->sv2 = SvREFCNT_inc (data); |
658 | req->ptr2 = (char *)svptr + dataoffset; |
704 | req->ptr2 = (char *)svptr + dataoffset; |
659 | req->stroffset = dataoffset; |
705 | req->stroffset = dataoffset; |
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1038 | CODE: |
1084 | CODE: |
1039 | eio_cancel (req); |
1085 | eio_cancel (req); |
1040 | |
1086 | |
1041 | void |
1087 | void |
1042 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1088 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1043 | CODE: |
1089 | PPCODE: |
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1090 | { |
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1091 | if (GIMME_V != G_VOID) |
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1092 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
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1093 | |
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1094 | if (items > 1) |
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1095 | { |
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1096 | SV *cb_cv = get_cb (callback); |
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1097 | |
1044 | SvREFCNT_dec (req->callback); |
1098 | SvREFCNT_dec (req->callback); |
1045 | req->callback = newSVsv (callback); |
1099 | req->callback = SvREFCNT_inc (cb_cv); |
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1100 | } |
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1101 | } |
1046 | |
1102 | |
1047 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1103 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1048 | |
1104 | |
1049 | void |
1105 | void |
1050 | add (aio_req grp, ...) |
1106 | add (aio_req grp, ...) |
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1105 | void |
1161 | void |
1106 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1162 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1107 | CODE: |
1163 | CODE: |
1108 | { |
1164 | { |
1109 | SvREFCNT_dec (grp->sv2); |
1165 | SvREFCNT_dec (grp->sv2); |
1110 | grp->sv2 = newSVsv (callback); |
1166 | grp->sv2 = newSVsv (callback); |
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1167 | grp->feed = aio_grp_feed; |
1111 | |
1168 | |
1112 | if (grp->int2 <= 0) |
1169 | if (grp->int2 <= 0) |
1113 | grp->int2 = 2; |
1170 | grp->int2 = 2; |
1114 | |
1171 | |
1115 | eio_grp_limit (grp, grp->int2); |
1172 | eio_grp_limit (grp, grp->int2); |