… | |
… | |
80 | # define SvVAL64 SvIV |
80 | # define SvVAL64 SvIV |
81 | #else |
81 | #else |
82 | # define SvVAL64 SvNV |
82 | # define SvVAL64 SvNV |
83 | #endif |
83 | #endif |
84 | |
84 | |
|
|
85 | /*****************************************************************************/ |
|
|
86 | |
|
|
87 | #if __GNUC__ >= 3 |
|
|
88 | # define expect(expr,value) __builtin_expect ((expr),(value)) |
|
|
89 | #else |
|
|
90 | # define expect(expr,value) (expr) |
|
|
91 | #endif |
|
|
92 | |
|
|
93 | #define expect_false(expr) expect ((expr) != 0, 0) |
|
|
94 | #define expect_true(expr) expect ((expr) != 0, 1) |
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95 | |
|
|
96 | /*****************************************************************************/ |
|
|
97 | |
85 | static HV *stash; |
98 | static HV *stash; |
86 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
99 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
87 | |
100 | |
88 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
101 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
89 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
102 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
… | |
… | |
98 | |
111 | |
99 | #include "libeio/eio.h" |
112 | #include "libeio/eio.h" |
100 | |
113 | |
101 | static int req_invoke (eio_req *req); |
114 | static int req_invoke (eio_req *req); |
102 | #define EIO_FINISH(req) req_invoke (req) |
115 | #define EIO_FINISH(req) req_invoke (req) |
103 | static void aio_grp_feed (eio_req *grp); |
|
|
104 | #define EIO_FEED(req) aio_grp_feed (req) |
|
|
105 | static void req_destroy (eio_req *grp); |
116 | static void req_destroy (eio_req *grp); |
106 | #define EIO_DESTROY(req) req_destroy (req) |
117 | #define EIO_DESTROY(req) req_destroy (req) |
107 | |
118 | |
108 | enum { |
119 | enum { |
109 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
… | |
… | |
181 | |
192 | |
182 | static void req_submit (eio_req *req) |
193 | static void req_submit (eio_req *req) |
183 | { |
194 | { |
184 | eio_submit (req); |
195 | eio_submit (req); |
185 | |
196 | |
186 | if (on_next_submit) |
197 | if (expect_false (on_next_submit)) |
187 | { |
198 | { |
188 | dSP; |
199 | dSP; |
189 | SV *cb = sv_2mortal (on_next_submit); |
200 | SV *cb = sv_2mortal (on_next_submit); |
190 | |
201 | |
191 | on_next_submit = 0; |
202 | on_next_submit = 0; |
… | |
… | |
201 | dSP; |
212 | dSP; |
202 | |
213 | |
203 | if (req->flags & FLAG_SV2_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
204 | SvREADONLY_off (req->sv2); |
215 | SvREADONLY_off (req->sv2); |
205 | |
216 | |
206 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
207 | { |
218 | { |
208 | ENTER; |
219 | ENTER; |
209 | SAVETMPS; |
220 | SAVETMPS; |
210 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
211 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
… | |
… | |
448 | static void atfork_child (void) |
459 | static void atfork_child (void) |
449 | { |
460 | { |
450 | create_respipe (); |
461 | create_respipe (); |
451 | } |
462 | } |
452 | |
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 | |
|
|
476 | if (!cv) |
|
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477 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
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478 | |
|
|
479 | return (SV *)cv; |
|
|
480 | } |
|
|
481 | |
453 | #define dREQ \ |
482 | #define dREQ \ |
|
|
483 | SV *cb_cv; \ |
454 | aio_req req; \ |
484 | aio_req req; \ |
455 | int req_pri = next_pri; \ |
485 | int req_pri = next_pri; \ |
456 | next_pri = EIO_PRI_DEFAULT; \ |
486 | next_pri = EIO_PRI_DEFAULT; \ |
457 | \ |
487 | \ |
458 | if (SvOK (callback) && !SvROK (callback)) \ |
488 | cb_cv = get_cb (callback); \ |
459 | croak ("callback must be undef or of reference type"); \ |
|
|
460 | \ |
489 | \ |
461 | Newz (0, req, 1, eio_req); \ |
490 | Newz (0, req, 1, eio_req); \ |
462 | if (!req) \ |
491 | if (!req) \ |
463 | croak ("out of memory during eio_req allocation"); \ |
492 | croak ("out of memory during eio_req allocation"); \ |
464 | \ |
493 | \ |
465 | req->callback = newSVsv (callback); \ |
494 | req->callback = SvREFCNT_inc (cb_cv); \ |
466 | req->pri = req_pri |
495 | req->pri = req_pri |
467 | |
496 | |
468 | #define REQ_SEND \ |
497 | #define REQ_SEND \ |
|
|
498 | PUTBACK; \ |
469 | req_submit (req); \ |
499 | req_submit (req); \ |
|
|
500 | SPAGAIN; \ |
470 | \ |
501 | \ |
471 | if (GIMME_V != G_VOID) \ |
502 | if (GIMME_V != G_VOID) \ |
472 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
503 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
473 | |
504 | |
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|
505 | static int |
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506 | extract_fd (SV *fh, int wr) |
|
|
507 | { |
|
|
508 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
509 | |
|
|
510 | if (fd < 0) |
|
|
511 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
512 | |
|
|
513 | return fd; |
|
|
514 | } |
|
|
515 | |
474 | MODULE = IO::AIO PACKAGE = IO::AIO |
516 | MODULE = IO::AIO PACKAGE = IO::AIO |
475 | |
517 | |
476 | PROTOTYPES: ENABLE |
518 | PROTOTYPES: ENABLE |
477 | |
519 | |
478 | BOOT: |
520 | BOOT: |
… | |
… | |
485 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
527 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
486 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
528 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
487 | #ifndef _WIN32 |
529 | #ifndef _WIN32 |
488 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
530 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
489 | #endif |
531 | #endif |
|
|
532 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
533 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
|
|
534 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
|
|
535 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
490 | |
536 | |
491 | create_respipe (); |
537 | create_respipe (); |
492 | |
538 | |
493 | if (eio_init (want_poll, done_poll) < 0) |
539 | if (eio_init (want_poll, done_poll) < 0) |
494 | croak ("IO::AIO: unable to initialise eio library"); |
540 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
555 | ALIAS: |
601 | ALIAS: |
556 | aio_fsync = EIO_FSYNC |
602 | aio_fsync = EIO_FSYNC |
557 | aio_fdatasync = EIO_FDATASYNC |
603 | aio_fdatasync = EIO_FDATASYNC |
558 | PPCODE: |
604 | PPCODE: |
559 | { |
605 | { |
|
|
606 | int fd = extract_fd (fh, 0); |
560 | dREQ; |
607 | dREQ; |
561 | |
608 | |
562 | req->type = ix; |
609 | req->type = ix; |
563 | req->sv1 = newSVsv (fh); |
610 | req->sv1 = newSVsv (fh); |
564 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
611 | req->int1 = fd; |
|
|
612 | |
|
|
613 | REQ_SEND (req); |
|
|
614 | } |
|
|
615 | |
|
|
616 | void |
|
|
617 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
618 | PROTOTYPE: $$$$;$ |
|
|
619 | PPCODE: |
|
|
620 | { |
|
|
621 | int fd = extract_fd (fh, 0); |
|
|
622 | dREQ; |
|
|
623 | |
|
|
624 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
625 | req->sv1 = newSVsv (fh); |
|
|
626 | req->int1 = fd; |
|
|
627 | req->offs = SvVAL64 (offset); |
|
|
628 | req->size = SvVAL64 (nbytes); |
|
|
629 | req->int2 = flags; |
565 | |
630 | |
566 | REQ_SEND (req); |
631 | REQ_SEND (req); |
567 | } |
632 | } |
568 | |
633 | |
569 | void |
634 | void |
570 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
635 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
571 | PROTOTYPE: $;$ |
636 | PROTOTYPE: $;$ |
572 | PPCODE: |
637 | PPCODE: |
573 | { |
638 | { |
574 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
639 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
640 | int fd = extract_fd (fh, 0); |
575 | dREQ; |
641 | dREQ; |
576 | |
642 | |
577 | if (close_pipe < 0) |
643 | if (close_pipe < 0) |
578 | { |
644 | { |
579 | int pipefd [2]; |
645 | int pipefd [2]; |
… | |
… | |
587 | } |
653 | } |
588 | |
654 | |
589 | req->type = EIO_DUP2; |
655 | req->type = EIO_DUP2; |
590 | req->int1 = close_pipe; |
656 | req->int1 = close_pipe; |
591 | req->sv2 = newSVsv (fh); |
657 | req->sv2 = newSVsv (fh); |
592 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
658 | req->int2 = fd; |
593 | |
659 | |
594 | REQ_SEND (req); |
660 | REQ_SEND (req); |
595 | } |
661 | } |
596 | |
662 | |
597 | void |
663 | void |
… | |
… | |
601 | aio_write = EIO_WRITE |
667 | aio_write = EIO_WRITE |
602 | PROTOTYPE: $$$$$;$ |
668 | PROTOTYPE: $$$$$;$ |
603 | PPCODE: |
669 | PPCODE: |
604 | { |
670 | { |
605 | STRLEN svlen; |
671 | STRLEN svlen; |
|
|
672 | int fd = extract_fd (fh, ix == EIO_WRITE); |
606 | char *svptr = SvPVbyte (data, svlen); |
673 | char *svptr = SvPVbyte (data, svlen); |
607 | UV len = SvUV (length); |
674 | UV len = SvUV (length); |
608 | |
675 | |
|
|
676 | if (SvTYPE (data) > SVt_PVMG || SvROK (data)) |
|
|
677 | croak ("illegal data argument '%s', must be plain scalar string", SvPV_nolen (data)); |
|
|
678 | |
609 | SvUPGRADE (data, SVt_PV); |
679 | SvUPGRADE (data, SVt_PV); |
610 | SvPOK_on (data); |
680 | SvPOK_only (data); |
611 | |
681 | |
612 | if (dataoffset < 0) |
682 | if (dataoffset < 0) |
613 | dataoffset += svlen; |
683 | dataoffset += svlen; |
614 | |
684 | |
615 | if (dataoffset < 0 || dataoffset > svlen) |
685 | if (dataoffset < 0 || dataoffset > svlen) |
… | |
… | |
633 | { |
703 | { |
634 | dREQ; |
704 | dREQ; |
635 | |
705 | |
636 | req->type = ix; |
706 | req->type = ix; |
637 | req->sv1 = newSVsv (fh); |
707 | req->sv1 = newSVsv (fh); |
638 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
708 | req->int1 = fd; |
639 | : IoOFP (sv_2io (fh))); |
|
|
640 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
709 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
641 | req->size = len; |
710 | req->size = len; |
642 | req->sv2 = SvREFCNT_inc (data); |
711 | req->sv2 = SvREFCNT_inc (data); |
643 | req->ptr2 = (char *)svptr + dataoffset; |
712 | req->ptr2 = (char *)svptr + dataoffset; |
644 | req->stroffset = dataoffset; |
713 | req->stroffset = dataoffset; |
… | |
… | |
671 | void |
740 | void |
672 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
741 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
673 | PROTOTYPE: $$$$;$ |
742 | PROTOTYPE: $$$$;$ |
674 | PPCODE: |
743 | PPCODE: |
675 | { |
744 | { |
|
|
745 | int ifd = extract_fd (in_fh , 0); |
|
|
746 | int ofd = extract_fd (out_fh, 0); |
676 | dREQ; |
747 | dREQ; |
677 | |
748 | |
678 | req->type = EIO_SENDFILE; |
749 | req->type = EIO_SENDFILE; |
679 | req->sv1 = newSVsv (out_fh); |
750 | req->sv1 = newSVsv (out_fh); |
680 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
751 | req->int1 = ofd; |
681 | req->sv2 = newSVsv (in_fh); |
752 | req->sv2 = newSVsv (in_fh); |
682 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
753 | req->int2 = ifd; |
683 | req->offs = SvVAL64 (in_offset); |
754 | req->offs = SvVAL64 (in_offset); |
684 | req->size = length; |
755 | req->size = length; |
685 | |
756 | |
686 | REQ_SEND; |
757 | REQ_SEND; |
687 | } |
758 | } |
… | |
… | |
689 | void |
760 | void |
690 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
761 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
691 | PROTOTYPE: $$$;$ |
762 | PROTOTYPE: $$$;$ |
692 | PPCODE: |
763 | PPCODE: |
693 | { |
764 | { |
|
|
765 | int fd = extract_fd (fh, 0); |
694 | dREQ; |
766 | dREQ; |
695 | |
767 | |
696 | req->type = EIO_READAHEAD; |
768 | req->type = EIO_READAHEAD; |
697 | req->sv1 = newSVsv (fh); |
769 | req->sv1 = newSVsv (fh); |
698 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
770 | req->int1 = fd; |
699 | req->offs = SvVAL64 (offset); |
771 | req->offs = SvVAL64 (offset); |
700 | req->size = length; |
772 | req->size = length; |
701 | |
773 | |
702 | REQ_SEND; |
774 | REQ_SEND; |
703 | } |
775 | } |
… | |
… | |
894 | { |
966 | { |
895 | dREQ; |
967 | dREQ; |
896 | |
968 | |
897 | req->type = EIO_GROUP; |
969 | req->type = EIO_GROUP; |
898 | |
970 | |
899 | eio_submit (req); |
971 | req_submit (req); |
900 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
972 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
901 | } |
973 | } |
902 | |
974 | |
903 | void |
975 | void |
904 | aio_nop (SV *callback=&PL_sv_undef) |
976 | aio_nop (SV *callback=&PL_sv_undef) |
… | |
… | |
1023 | CODE: |
1095 | CODE: |
1024 | eio_cancel (req); |
1096 | eio_cancel (req); |
1025 | |
1097 | |
1026 | void |
1098 | void |
1027 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1099 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1028 | CODE: |
1100 | PPCODE: |
|
|
1101 | { |
|
|
1102 | if (GIMME_V != G_VOID) |
|
|
1103 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1104 | |
|
|
1105 | if (items > 1) |
|
|
1106 | { |
|
|
1107 | SV *cb_cv = get_cb (callback); |
|
|
1108 | |
1029 | SvREFCNT_dec (req->callback); |
1109 | SvREFCNT_dec (req->callback); |
1030 | req->callback = newSVsv (callback); |
1110 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1111 | } |
|
|
1112 | } |
1031 | |
1113 | |
1032 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1114 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1033 | |
1115 | |
1034 | void |
1116 | void |
1035 | add (aio_req grp, ...) |
1117 | add (aio_req grp, ...) |
… | |
… | |
1090 | void |
1172 | void |
1091 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1173 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1092 | CODE: |
1174 | CODE: |
1093 | { |
1175 | { |
1094 | SvREFCNT_dec (grp->sv2); |
1176 | SvREFCNT_dec (grp->sv2); |
1095 | grp->sv2 = newSVsv (callback); |
1177 | grp->sv2 = newSVsv (callback); |
|
|
1178 | grp->feed = aio_grp_feed; |
1096 | |
1179 | |
1097 | if (grp->int2 <= 0) |
1180 | if (grp->int2 <= 0) |
1098 | grp->int2 = 2; |
1181 | grp->int2 = 2; |
1099 | |
1182 | |
1100 | eio_grp_limit (grp, grp->int2); |
1183 | eio_grp_limit (grp, grp->int2); |