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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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314 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
312 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
315 | PUSHs (sv_2mortal (newSViv (req->result))); |
313 | PUSHs (sv_2mortal (newSViv (req->result))); |
316 | break; |
314 | break; |
317 | |
315 | |
318 | case EIO_READ: |
316 | case EIO_READ: |
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317 | { |
319 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
318 | SvCUR_set (req->sv2, req->stroffset + (req->result > 0 ? req->result : 0)); |
320 | *SvEND (req->sv2) = 0; |
319 | *SvEND (req->sv2) = 0; |
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320 | SvPOK_only (req->sv2); |
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321 | SvSETMAGIC (req->sv2); |
321 | PUSHs (sv_2mortal (newSViv (req->result))); |
322 | PUSHs (sv_2mortal (newSViv (req->result))); |
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323 | } |
322 | break; |
324 | break; |
323 | |
325 | |
324 | case EIO_DUP2: |
326 | case EIO_DUP2: |
325 | if (req->result > 0) |
327 | if (req->result > 0) |
326 | req->result = 0; |
328 | req->result = 0; |
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461 | static void atfork_child (void) |
463 | static void atfork_child (void) |
462 | { |
464 | { |
463 | create_respipe (); |
465 | create_respipe (); |
464 | } |
466 | } |
465 | |
467 | |
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468 | static SV * |
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469 | get_cb (SV *cb_sv) |
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470 | { |
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471 | HV *st; |
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472 | GV *gvp; |
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473 | CV *cv; |
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474 | |
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475 | if (!SvOK (cb_sv)) |
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476 | return 0; |
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477 | |
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478 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
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479 | |
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480 | if (!cv) |
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481 | croak ("IO::AIO callback must be undef or a CODE reference"); |
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482 | |
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483 | return (SV *)cv; |
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484 | } |
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485 | |
466 | #define dREQ \ |
486 | #define dREQ \ |
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487 | SV *cb_cv; \ |
467 | aio_req req; \ |
488 | aio_req req; \ |
468 | int req_pri = next_pri; \ |
489 | int req_pri = next_pri; \ |
469 | next_pri = EIO_PRI_DEFAULT; \ |
490 | next_pri = EIO_PRI_DEFAULT; \ |
470 | \ |
491 | \ |
471 | if (SvOK (callback) && !SvROK (callback)) \ |
492 | cb_cv = get_cb (callback); \ |
472 | croak ("callback must be undef or of reference type"); \ |
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473 | \ |
493 | \ |
474 | Newz (0, req, 1, eio_req); \ |
494 | Newz (0, req, 1, eio_req); \ |
475 | if (!req) \ |
495 | if (!req) \ |
476 | croak ("out of memory during eio_req allocation"); \ |
496 | croak ("out of memory during eio_req allocation"); \ |
477 | \ |
497 | \ |
478 | req->callback = newSVsv (callback); \ |
498 | req->callback = SvREFCNT_inc (cb_cv); \ |
479 | req->pri = req_pri |
499 | req->pri = req_pri |
480 | |
500 | |
481 | #define REQ_SEND \ |
501 | #define REQ_SEND \ |
482 | PUTBACK; \ |
502 | PUTBACK; \ |
483 | req_submit (req); \ |
503 | req_submit (req); \ |
484 | SPAGAIN; \ |
504 | SPAGAIN; \ |
485 | \ |
505 | \ |
486 | if (GIMME_V != G_VOID) \ |
506 | if (GIMME_V != G_VOID) \ |
487 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
507 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
488 | |
508 | |
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509 | static int |
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510 | extract_fd (SV *fh, int wr) |
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511 | { |
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512 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
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513 | |
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514 | if (fd < 0) |
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515 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
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516 | |
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517 | return fd; |
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518 | } |
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519 | |
489 | MODULE = IO::AIO PACKAGE = IO::AIO |
520 | MODULE = IO::AIO PACKAGE = IO::AIO |
490 | |
521 | |
491 | PROTOTYPES: ENABLE |
522 | PROTOTYPES: ENABLE |
492 | |
523 | |
493 | BOOT: |
524 | BOOT: |
… | |
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500 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
531 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
501 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
532 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
502 | #ifndef _WIN32 |
533 | #ifndef _WIN32 |
503 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
534 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
504 | #endif |
535 | #endif |
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536 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
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537 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
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538 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
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539 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
505 | |
540 | |
506 | create_respipe (); |
541 | create_respipe (); |
507 | |
542 | |
508 | if (eio_init (want_poll, done_poll) < 0) |
543 | if (eio_init (want_poll, done_poll) < 0) |
509 | croak ("IO::AIO: unable to initialise eio library"); |
544 | croak ("IO::AIO: unable to initialise eio library"); |
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570 | ALIAS: |
605 | ALIAS: |
571 | aio_fsync = EIO_FSYNC |
606 | aio_fsync = EIO_FSYNC |
572 | aio_fdatasync = EIO_FDATASYNC |
607 | aio_fdatasync = EIO_FDATASYNC |
573 | PPCODE: |
608 | PPCODE: |
574 | { |
609 | { |
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610 | int fd = extract_fd (fh, 0); |
575 | dREQ; |
611 | dREQ; |
576 | |
612 | |
577 | req->type = ix; |
613 | req->type = ix; |
578 | req->sv1 = newSVsv (fh); |
614 | req->sv1 = newSVsv (fh); |
579 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
615 | req->int1 = fd; |
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616 | |
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617 | REQ_SEND (req); |
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618 | } |
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619 | |
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620 | void |
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621 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
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622 | PROTOTYPE: $$$$;$ |
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623 | PPCODE: |
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624 | { |
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625 | int fd = extract_fd (fh, 0); |
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626 | dREQ; |
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627 | |
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628 | req->type = EIO_SYNC_FILE_RANGE; |
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629 | req->sv1 = newSVsv (fh); |
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630 | req->int1 = fd; |
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631 | req->offs = SvVAL64 (offset); |
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632 | req->size = SvVAL64 (nbytes); |
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633 | req->int2 = flags; |
580 | |
634 | |
581 | REQ_SEND (req); |
635 | REQ_SEND (req); |
582 | } |
636 | } |
583 | |
637 | |
584 | void |
638 | void |
585 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
639 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
586 | PROTOTYPE: $;$ |
640 | PROTOTYPE: $;$ |
587 | PPCODE: |
641 | PPCODE: |
588 | { |
642 | { |
589 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
643 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
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644 | int fd = extract_fd (fh, 0); |
590 | dREQ; |
645 | dREQ; |
591 | |
646 | |
592 | if (close_pipe < 0) |
647 | if (close_pipe < 0) |
593 | { |
648 | { |
594 | int pipefd [2]; |
649 | int pipefd [2]; |
… | |
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602 | } |
657 | } |
603 | |
658 | |
604 | req->type = EIO_DUP2; |
659 | req->type = EIO_DUP2; |
605 | req->int1 = close_pipe; |
660 | req->int1 = close_pipe; |
606 | req->sv2 = newSVsv (fh); |
661 | req->sv2 = newSVsv (fh); |
607 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
662 | req->int2 = fd; |
608 | |
663 | |
609 | REQ_SEND (req); |
664 | REQ_SEND (req); |
610 | } |
665 | } |
611 | |
666 | |
612 | void |
667 | void |
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616 | aio_write = EIO_WRITE |
671 | aio_write = EIO_WRITE |
617 | PROTOTYPE: $$$$$;$ |
672 | PROTOTYPE: $$$$$;$ |
618 | PPCODE: |
673 | PPCODE: |
619 | { |
674 | { |
620 | STRLEN svlen; |
675 | STRLEN svlen; |
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676 | int fd = extract_fd (fh, ix == EIO_WRITE); |
621 | char *svptr = SvPVbyte (data, svlen); |
677 | char *svptr = SvPVbyte (data, svlen); |
622 | UV len = SvUV (length); |
678 | UV len = SvUV (length); |
623 | |
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624 | SvUPGRADE (data, SVt_PV); |
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625 | SvPOK_on (data); |
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626 | |
679 | |
627 | if (dataoffset < 0) |
680 | if (dataoffset < 0) |
628 | dataoffset += svlen; |
681 | dataoffset += svlen; |
629 | |
682 | |
630 | if (dataoffset < 0 || dataoffset > svlen) |
683 | if (dataoffset < 0 || dataoffset > svlen) |
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636 | if (!SvOK (length) || len + dataoffset > svlen) |
689 | if (!SvOK (length) || len + dataoffset > svlen) |
637 | len = svlen - dataoffset; |
690 | len = svlen - dataoffset; |
638 | } |
691 | } |
639 | else |
692 | else |
640 | { |
693 | { |
641 | /* read: grow scalar as necessary */ |
694 | /* read: check type and grow scalar as necessary */ |
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695 | SvUPGRADE (data, SVt_PV); |
642 | svptr = SvGROW (data, len + dataoffset + 1); |
696 | svptr = SvGROW (data, len + dataoffset + 1); |
643 | } |
697 | } |
644 | |
698 | |
645 | if (len < 0) |
699 | if (len < 0) |
646 | croak ("length must not be negative"); |
700 | croak ("length must not be negative"); |
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648 | { |
702 | { |
649 | dREQ; |
703 | dREQ; |
650 | |
704 | |
651 | req->type = ix; |
705 | req->type = ix; |
652 | req->sv1 = newSVsv (fh); |
706 | req->sv1 = newSVsv (fh); |
653 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
707 | req->int1 = fd; |
654 | : IoOFP (sv_2io (fh))); |
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655 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
708 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
656 | req->size = len; |
709 | req->size = len; |
657 | req->sv2 = SvREFCNT_inc (data); |
710 | req->sv2 = SvREFCNT_inc (data); |
658 | req->ptr2 = (char *)svptr + dataoffset; |
711 | req->ptr2 = (char *)svptr + dataoffset; |
659 | req->stroffset = dataoffset; |
712 | req->stroffset = dataoffset; |
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686 | void |
739 | void |
687 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
740 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
688 | PROTOTYPE: $$$$;$ |
741 | PROTOTYPE: $$$$;$ |
689 | PPCODE: |
742 | PPCODE: |
690 | { |
743 | { |
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744 | int ifd = extract_fd (in_fh , 0); |
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745 | int ofd = extract_fd (out_fh, 0); |
691 | dREQ; |
746 | dREQ; |
692 | |
747 | |
693 | req->type = EIO_SENDFILE; |
748 | req->type = EIO_SENDFILE; |
694 | req->sv1 = newSVsv (out_fh); |
749 | req->sv1 = newSVsv (out_fh); |
695 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
750 | req->int1 = ofd; |
696 | req->sv2 = newSVsv (in_fh); |
751 | req->sv2 = newSVsv (in_fh); |
697 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
752 | req->int2 = ifd; |
698 | req->offs = SvVAL64 (in_offset); |
753 | req->offs = SvVAL64 (in_offset); |
699 | req->size = length; |
754 | req->size = length; |
700 | |
755 | |
701 | REQ_SEND; |
756 | REQ_SEND; |
702 | } |
757 | } |
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704 | void |
759 | void |
705 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
760 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
706 | PROTOTYPE: $$$;$ |
761 | PROTOTYPE: $$$;$ |
707 | PPCODE: |
762 | PPCODE: |
708 | { |
763 | { |
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764 | int fd = extract_fd (fh, 0); |
709 | dREQ; |
765 | dREQ; |
710 | |
766 | |
711 | req->type = EIO_READAHEAD; |
767 | req->type = EIO_READAHEAD; |
712 | req->sv1 = newSVsv (fh); |
768 | req->sv1 = newSVsv (fh); |
713 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
769 | req->int1 = fd; |
714 | req->offs = SvVAL64 (offset); |
770 | req->offs = SvVAL64 (offset); |
715 | req->size = length; |
771 | req->size = length; |
716 | |
772 | |
717 | REQ_SEND; |
773 | REQ_SEND; |
718 | } |
774 | } |
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1038 | CODE: |
1094 | CODE: |
1039 | eio_cancel (req); |
1095 | eio_cancel (req); |
1040 | |
1096 | |
1041 | void |
1097 | void |
1042 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1098 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1043 | CODE: |
1099 | PPCODE: |
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1100 | { |
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1101 | if (GIMME_V != G_VOID) |
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1102 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
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1103 | |
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1104 | if (items > 1) |
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1105 | { |
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1106 | SV *cb_cv = get_cb (callback); |
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1107 | |
1044 | SvREFCNT_dec (req->callback); |
1108 | SvREFCNT_dec (req->callback); |
1045 | req->callback = newSVsv (callback); |
1109 | req->callback = SvREFCNT_inc (cb_cv); |
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1110 | } |
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1111 | } |
1046 | |
1112 | |
1047 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1113 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1048 | |
1114 | |
1049 | void |
1115 | void |
1050 | add (aio_req grp, ...) |
1116 | add (aio_req grp, ...) |
… | |
… | |
1105 | void |
1171 | void |
1106 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1172 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1107 | CODE: |
1173 | CODE: |
1108 | { |
1174 | { |
1109 | SvREFCNT_dec (grp->sv2); |
1175 | SvREFCNT_dec (grp->sv2); |
1110 | grp->sv2 = newSVsv (callback); |
1176 | grp->sv2 = newSVsv (callback); |
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1177 | grp->feed = aio_grp_feed; |
1111 | |
1178 | |
1112 | if (grp->int2 <= 0) |
1179 | if (grp->int2 <= 0) |
1113 | grp->int2 = 2; |
1180 | grp->int2 = 2; |
1114 | |
1181 | |
1115 | eio_grp_limit (grp, grp->int2); |
1182 | eio_grp_limit (grp, grp->int2); |