… | |
… | |
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) |
|
|
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); |
… | |
… | |
301 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
312 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
302 | PUSHs (sv_2mortal (newSViv (req->result))); |
313 | PUSHs (sv_2mortal (newSViv (req->result))); |
303 | break; |
314 | break; |
304 | |
315 | |
305 | case EIO_READ: |
316 | case EIO_READ: |
|
|
317 | { |
306 | 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)); |
307 | *SvEND (req->sv2) = 0; |
319 | *SvEND (req->sv2) = 0; |
|
|
320 | SvPOK_only (req->sv2); |
|
|
321 | SvSETMAGIC (req->sv2); |
308 | PUSHs (sv_2mortal (newSViv (req->result))); |
322 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
323 | } |
309 | break; |
324 | break; |
310 | |
325 | |
311 | case EIO_DUP2: |
326 | case EIO_DUP2: |
312 | if (req->result > 0) |
327 | if (req->result > 0) |
313 | req->result = 0; |
328 | req->result = 0; |
… | |
… | |
448 | static void atfork_child (void) |
463 | static void atfork_child (void) |
449 | { |
464 | { |
450 | create_respipe (); |
465 | create_respipe (); |
451 | } |
466 | } |
452 | |
467 | |
|
|
468 | static SV * |
|
|
469 | get_cb (SV *cb_sv) |
|
|
470 | { |
|
|
471 | HV *st; |
|
|
472 | GV *gvp; |
|
|
473 | CV *cv; |
|
|
474 | |
|
|
475 | if (!SvOK (cb_sv)) |
|
|
476 | return 0; |
|
|
477 | |
|
|
478 | cv = sv_2cv (cb_sv, &st, &gvp, 0); |
|
|
479 | |
|
|
480 | if (!cv) |
|
|
481 | croak ("IO::AIO callback must be undef or a CODE reference"); |
|
|
482 | |
|
|
483 | return (SV *)cv; |
|
|
484 | } |
|
|
485 | |
453 | #define dREQ \ |
486 | #define dREQ \ |
|
|
487 | SV *cb_cv; \ |
454 | aio_req req; \ |
488 | aio_req req; \ |
455 | int req_pri = next_pri; \ |
489 | int req_pri = next_pri; \ |
456 | next_pri = EIO_PRI_DEFAULT; \ |
490 | next_pri = EIO_PRI_DEFAULT; \ |
457 | \ |
491 | \ |
458 | if (SvOK (callback) && !SvROK (callback)) \ |
492 | cb_cv = get_cb (callback); \ |
459 | croak ("callback must be undef or of reference type"); \ |
|
|
460 | \ |
493 | \ |
461 | Newz (0, req, 1, eio_req); \ |
494 | Newz (0, req, 1, eio_req); \ |
462 | if (!req) \ |
495 | if (!req) \ |
463 | croak ("out of memory during eio_req allocation"); \ |
496 | croak ("out of memory during eio_req allocation"); \ |
464 | \ |
497 | \ |
465 | req->callback = newSVsv (callback); \ |
498 | req->callback = SvREFCNT_inc (cb_cv); \ |
466 | req->pri = req_pri |
499 | req->pri = req_pri |
467 | |
500 | |
468 | #define REQ_SEND \ |
501 | #define REQ_SEND \ |
469 | PUTBACK; \ |
502 | PUTBACK; \ |
470 | req_submit (req); \ |
503 | req_submit (req); \ |
471 | SPAGAIN; \ |
504 | SPAGAIN; \ |
472 | \ |
505 | \ |
473 | if (GIMME_V != G_VOID) \ |
506 | if (GIMME_V != G_VOID) \ |
474 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
507 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
475 | |
508 | |
|
|
509 | static int |
|
|
510 | extract_fd (SV *fh, int wr) |
|
|
511 | { |
|
|
512 | int fd = PerlIO_fileno (wr ? IoOFP (sv_2io (fh)) : IoIFP (sv_2io (fh))); |
|
|
513 | |
|
|
514 | if (fd < 0) |
|
|
515 | croak ("illegal fh argument, either not an OS file or read/write mode mismatch"); |
|
|
516 | |
|
|
517 | return fd; |
|
|
518 | } |
|
|
519 | |
476 | MODULE = IO::AIO PACKAGE = IO::AIO |
520 | MODULE = IO::AIO PACKAGE = IO::AIO |
477 | |
521 | |
478 | PROTOTYPES: ENABLE |
522 | PROTOTYPES: ENABLE |
479 | |
523 | |
480 | BOOT: |
524 | BOOT: |
481 | { |
525 | { |
482 | stash = gv_stashpv ("IO::AIO", 1); |
526 | stash = gv_stashpv ("IO::AIO", 1); |
483 | |
527 | |
484 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
528 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
|
|
529 | newCONSTSUB (stash, "ENOSYS", newSViv (ENOSYS)); |
485 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
530 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
486 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
531 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
487 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
532 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
488 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
533 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
489 | #ifndef _WIN32 |
534 | #ifndef _WIN32 |
490 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
535 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
491 | #endif |
536 | #endif |
|
|
537 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
538 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
|
|
539 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
|
|
540 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
492 | |
541 | |
493 | create_respipe (); |
542 | create_respipe (); |
494 | |
543 | |
495 | if (eio_init (want_poll, done_poll) < 0) |
544 | if (eio_init (want_poll, done_poll) < 0) |
496 | croak ("IO::AIO: unable to initialise eio library"); |
545 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
557 | ALIAS: |
606 | ALIAS: |
558 | aio_fsync = EIO_FSYNC |
607 | aio_fsync = EIO_FSYNC |
559 | aio_fdatasync = EIO_FDATASYNC |
608 | aio_fdatasync = EIO_FDATASYNC |
560 | PPCODE: |
609 | PPCODE: |
561 | { |
610 | { |
|
|
611 | int fd = extract_fd (fh, 0); |
562 | dREQ; |
612 | dREQ; |
563 | |
613 | |
564 | req->type = ix; |
614 | req->type = ix; |
565 | req->sv1 = newSVsv (fh); |
615 | req->sv1 = newSVsv (fh); |
566 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
616 | req->int1 = fd; |
|
|
617 | |
|
|
618 | REQ_SEND (req); |
|
|
619 | } |
|
|
620 | |
|
|
621 | void |
|
|
622 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
623 | PROTOTYPE: $$$$;$ |
|
|
624 | PPCODE: |
|
|
625 | { |
|
|
626 | int fd = extract_fd (fh, 0); |
|
|
627 | dREQ; |
|
|
628 | |
|
|
629 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
630 | req->sv1 = newSVsv (fh); |
|
|
631 | req->int1 = fd; |
|
|
632 | req->offs = SvVAL64 (offset); |
|
|
633 | req->size = SvVAL64 (nbytes); |
|
|
634 | req->int2 = flags; |
567 | |
635 | |
568 | REQ_SEND (req); |
636 | REQ_SEND (req); |
569 | } |
637 | } |
570 | |
638 | |
571 | void |
639 | void |
572 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
640 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
573 | PROTOTYPE: $;$ |
641 | PROTOTYPE: $;$ |
574 | PPCODE: |
642 | PPCODE: |
575 | { |
643 | { |
576 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
644 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
645 | int fd = extract_fd (fh, 0); |
577 | dREQ; |
646 | dREQ; |
578 | |
647 | |
579 | if (close_pipe < 0) |
648 | if (close_pipe < 0) |
580 | { |
649 | { |
581 | int pipefd [2]; |
650 | int pipefd [2]; |
… | |
… | |
589 | } |
658 | } |
590 | |
659 | |
591 | req->type = EIO_DUP2; |
660 | req->type = EIO_DUP2; |
592 | req->int1 = close_pipe; |
661 | req->int1 = close_pipe; |
593 | req->sv2 = newSVsv (fh); |
662 | req->sv2 = newSVsv (fh); |
594 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
663 | req->int2 = fd; |
595 | |
664 | |
596 | REQ_SEND (req); |
665 | REQ_SEND (req); |
597 | } |
666 | } |
598 | |
667 | |
599 | void |
668 | void |
… | |
… | |
603 | aio_write = EIO_WRITE |
672 | aio_write = EIO_WRITE |
604 | PROTOTYPE: $$$$$;$ |
673 | PROTOTYPE: $$$$$;$ |
605 | PPCODE: |
674 | PPCODE: |
606 | { |
675 | { |
607 | STRLEN svlen; |
676 | STRLEN svlen; |
|
|
677 | int fd = extract_fd (fh, ix == EIO_WRITE); |
608 | char *svptr = SvPVbyte (data, svlen); |
678 | char *svptr = SvPVbyte (data, svlen); |
609 | UV len = SvUV (length); |
679 | UV len = SvUV (length); |
610 | |
|
|
611 | SvUPGRADE (data, SVt_PV); |
|
|
612 | SvPOK_on (data); |
|
|
613 | |
680 | |
614 | if (dataoffset < 0) |
681 | if (dataoffset < 0) |
615 | dataoffset += svlen; |
682 | dataoffset += svlen; |
616 | |
683 | |
617 | if (dataoffset < 0 || dataoffset > svlen) |
684 | if (dataoffset < 0 || dataoffset > svlen) |
… | |
… | |
623 | if (!SvOK (length) || len + dataoffset > svlen) |
690 | if (!SvOK (length) || len + dataoffset > svlen) |
624 | len = svlen - dataoffset; |
691 | len = svlen - dataoffset; |
625 | } |
692 | } |
626 | else |
693 | else |
627 | { |
694 | { |
628 | /* read: grow scalar as necessary */ |
695 | /* read: check type and grow scalar as necessary */ |
|
|
696 | SvUPGRADE (data, SVt_PV); |
629 | svptr = SvGROW (data, len + dataoffset + 1); |
697 | svptr = SvGROW (data, len + dataoffset + 1); |
630 | } |
698 | } |
631 | |
|
|
632 | if (len < 0) |
|
|
633 | croak ("length must not be negative"); |
|
|
634 | |
699 | |
635 | { |
700 | { |
636 | dREQ; |
701 | dREQ; |
637 | |
702 | |
638 | req->type = ix; |
703 | req->type = ix; |
639 | req->sv1 = newSVsv (fh); |
704 | req->sv1 = newSVsv (fh); |
640 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
705 | req->int1 = fd; |
641 | : IoOFP (sv_2io (fh))); |
|
|
642 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
706 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
643 | req->size = len; |
707 | req->size = len; |
644 | req->sv2 = SvREFCNT_inc (data); |
708 | req->sv2 = SvREFCNT_inc (data); |
645 | req->ptr2 = (char *)svptr + dataoffset; |
709 | req->ptr2 = (char *)svptr + dataoffset; |
646 | req->stroffset = dataoffset; |
710 | req->stroffset = dataoffset; |
… | |
… | |
673 | void |
737 | void |
674 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
738 | aio_sendfile (SV *out_fh, SV *in_fh, SV *in_offset, UV length, SV *callback=&PL_sv_undef) |
675 | PROTOTYPE: $$$$;$ |
739 | PROTOTYPE: $$$$;$ |
676 | PPCODE: |
740 | PPCODE: |
677 | { |
741 | { |
|
|
742 | int ifd = extract_fd (in_fh , 0); |
|
|
743 | int ofd = extract_fd (out_fh, 0); |
678 | dREQ; |
744 | dREQ; |
679 | |
745 | |
680 | req->type = EIO_SENDFILE; |
746 | req->type = EIO_SENDFILE; |
681 | req->sv1 = newSVsv (out_fh); |
747 | req->sv1 = newSVsv (out_fh); |
682 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
748 | req->int1 = ofd; |
683 | req->sv2 = newSVsv (in_fh); |
749 | req->sv2 = newSVsv (in_fh); |
684 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
750 | req->int2 = ifd; |
685 | req->offs = SvVAL64 (in_offset); |
751 | req->offs = SvVAL64 (in_offset); |
686 | req->size = length; |
752 | req->size = length; |
687 | |
753 | |
688 | REQ_SEND; |
754 | REQ_SEND; |
689 | } |
755 | } |
… | |
… | |
691 | void |
757 | void |
692 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
758 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
693 | PROTOTYPE: $$$;$ |
759 | PROTOTYPE: $$$;$ |
694 | PPCODE: |
760 | PPCODE: |
695 | { |
761 | { |
|
|
762 | int fd = extract_fd (fh, 0); |
696 | dREQ; |
763 | dREQ; |
697 | |
764 | |
698 | req->type = EIO_READAHEAD; |
765 | req->type = EIO_READAHEAD; |
699 | req->sv1 = newSVsv (fh); |
766 | req->sv1 = newSVsv (fh); |
700 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
767 | req->int1 = fd; |
701 | req->offs = SvVAL64 (offset); |
768 | req->offs = SvVAL64 (offset); |
702 | req->size = length; |
769 | req->size = length; |
703 | |
770 | |
704 | REQ_SEND; |
771 | REQ_SEND; |
705 | } |
772 | } |
… | |
… | |
896 | { |
963 | { |
897 | dREQ; |
964 | dREQ; |
898 | |
965 | |
899 | req->type = EIO_GROUP; |
966 | req->type = EIO_GROUP; |
900 | |
967 | |
901 | eio_submit (req); |
968 | req_submit (req); |
902 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
969 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
903 | } |
970 | } |
904 | |
971 | |
905 | void |
972 | void |
906 | aio_nop (SV *callback=&PL_sv_undef) |
973 | aio_nop (SV *callback=&PL_sv_undef) |
… | |
… | |
1025 | CODE: |
1092 | CODE: |
1026 | eio_cancel (req); |
1093 | eio_cancel (req); |
1027 | |
1094 | |
1028 | void |
1095 | void |
1029 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1096 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1030 | CODE: |
1097 | PPCODE: |
|
|
1098 | { |
|
|
1099 | if (GIMME_V != G_VOID) |
|
|
1100 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1101 | |
|
|
1102 | if (items > 1) |
|
|
1103 | { |
|
|
1104 | SV *cb_cv = get_cb (callback); |
|
|
1105 | |
1031 | SvREFCNT_dec (req->callback); |
1106 | SvREFCNT_dec (req->callback); |
1032 | req->callback = newSVsv (callback); |
1107 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1108 | } |
|
|
1109 | } |
1033 | |
1110 | |
1034 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1111 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1035 | |
1112 | |
1036 | void |
1113 | void |
1037 | add (aio_req grp, ...) |
1114 | add (aio_req grp, ...) |
… | |
… | |
1092 | void |
1169 | void |
1093 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1170 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1094 | CODE: |
1171 | CODE: |
1095 | { |
1172 | { |
1096 | SvREFCNT_dec (grp->sv2); |
1173 | SvREFCNT_dec (grp->sv2); |
1097 | grp->sv2 = newSVsv (callback); |
1174 | grp->sv2 = newSVsv (callback); |
|
|
1175 | grp->feed = aio_grp_feed; |
1098 | |
1176 | |
1099 | if (grp->int2 <= 0) |
1177 | if (grp->int2 <= 0) |
1100 | grp->int2 = 2; |
1178 | grp->int2 = 2; |
1101 | |
1179 | |
1102 | eio_grp_limit (grp, grp->int2); |
1180 | eio_grp_limit (grp, grp->int2); |