… | |
… | |
65 | # include <signal.h> |
65 | # include <signal.h> |
66 | # define EIO_STRUCT_DIRENT struct dirent |
66 | # define EIO_STRUCT_DIRENT struct dirent |
67 | |
67 | |
68 | #endif |
68 | #endif |
69 | |
69 | |
|
|
70 | /* perl stupidly overrides readdir and maybe others */ |
|
|
71 | /* with thread-unsafe versions, imagine that :( */ |
|
|
72 | #undef readdir |
|
|
73 | #undef opendir |
|
|
74 | #undef closedir |
|
|
75 | |
70 | #define EIO_STRUCT_STAT Stat_t |
76 | #define EIO_STRUCT_STAT Stat_t |
71 | |
77 | |
72 | /* use NV for 32 bit perls as it allows larger offsets */ |
78 | /* use NV for 32 bit perls as it allows larger offsets */ |
73 | #if IVSIZE >= 8 |
79 | #if IVSIZE >= 8 |
74 | # define SvVAL64 SvIV |
80 | # define SvVAL64 SvIV |
75 | #else |
81 | #else |
76 | # define SvVAL64 SvNV |
82 | # define SvVAL64 SvNV |
77 | #endif |
83 | #endif |
78 | |
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 | |
79 | static HV *stash; |
98 | static HV *stash; |
80 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
99 | typedef SV SV8; /* byte-sv, used for argument-checking */ |
81 | |
100 | |
82 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
101 | #define AIO_REQ_KLASS "IO::AIO::REQ" |
83 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
102 | #define AIO_GRP_KLASS "IO::AIO::GRP" |
… | |
… | |
92 | |
111 | |
93 | #include "libeio/eio.h" |
112 | #include "libeio/eio.h" |
94 | |
113 | |
95 | static int req_invoke (eio_req *req); |
114 | static int req_invoke (eio_req *req); |
96 | #define EIO_FINISH(req) req_invoke (req) |
115 | #define EIO_FINISH(req) req_invoke (req) |
97 | static void aio_grp_feed (eio_req *grp); |
|
|
98 | #define EIO_FEED(req) aio_grp_feed (req) |
|
|
99 | static void req_destroy (eio_req *grp); |
116 | static void req_destroy (eio_req *grp); |
100 | #define EIO_DESTROY(req) req_destroy (req) |
117 | #define EIO_DESTROY(req) req_destroy (req) |
101 | |
118 | |
102 | enum { |
119 | enum { |
103 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
120 | FLAG_SV2_RO_OFF = 0x40, /* data was set readonly */ |
… | |
… | |
175 | |
192 | |
176 | static void req_submit (eio_req *req) |
193 | static void req_submit (eio_req *req) |
177 | { |
194 | { |
178 | eio_submit (req); |
195 | eio_submit (req); |
179 | |
196 | |
180 | if (on_next_submit) |
197 | if (expect_false (on_next_submit)) |
181 | { |
198 | { |
182 | dSP; |
199 | dSP; |
183 | SV *cb = sv_2mortal (on_next_submit); |
200 | SV *cb = sv_2mortal (on_next_submit); |
184 | |
201 | |
185 | on_next_submit = 0; |
202 | on_next_submit = 0; |
… | |
… | |
195 | dSP; |
212 | dSP; |
196 | |
213 | |
197 | if (req->flags & FLAG_SV2_RO_OFF) |
214 | if (req->flags & FLAG_SV2_RO_OFF) |
198 | SvREADONLY_off (req->sv2); |
215 | SvREADONLY_off (req->sv2); |
199 | |
216 | |
200 | if (!EIO_CANCELLED (req) && SvOK (req->callback)) |
217 | if (!EIO_CANCELLED (req) && req->callback) |
201 | { |
218 | { |
202 | ENTER; |
219 | ENTER; |
203 | SAVETMPS; |
220 | SAVETMPS; |
204 | PUSHMARK (SP); |
221 | PUSHMARK (SP); |
205 | EXTEND (SP, 1); |
222 | EXTEND (SP, 1); |
… | |
… | |
295 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
312 | PL_statcache = *(EIO_STRUCT_STAT *)(req->ptr2); |
296 | PUSHs (sv_2mortal (newSViv (req->result))); |
313 | PUSHs (sv_2mortal (newSViv (req->result))); |
297 | break; |
314 | break; |
298 | |
315 | |
299 | case EIO_READ: |
316 | case EIO_READ: |
|
|
317 | { |
300 | 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)); |
301 | *SvEND (req->sv2) = 0; |
319 | *SvEND (req->sv2) = 0; |
|
|
320 | SvPOK_only (req->sv2); |
|
|
321 | SvSETMAGIC (req->sv2); |
302 | PUSHs (sv_2mortal (newSViv (req->result))); |
322 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
323 | } |
303 | break; |
324 | break; |
304 | |
325 | |
305 | case EIO_DUP2: |
326 | case EIO_DUP2: |
306 | if (req->result > 0) |
327 | if (req->result > 0) |
307 | req->result = 0; |
328 | req->result = 0; |
… | |
… | |
423 | } |
444 | } |
424 | } |
445 | } |
425 | |
446 | |
426 | static int poll_cb (void) |
447 | static int poll_cb (void) |
427 | { |
448 | { |
428 | int res; |
449 | for (;;) |
429 | |
|
|
430 | do |
|
|
431 | { |
450 | { |
432 | res = eio_poll (); |
451 | int res = eio_poll (); |
433 | |
452 | |
434 | if (res > 0) |
453 | if (res > 0) |
435 | croak (0); |
454 | croak (0); |
|
|
455 | |
|
|
456 | if (!max_outstanding || max_outstanding > eio_nreqs ()) |
|
|
457 | return res; |
|
|
458 | |
|
|
459 | poll_wait (); |
436 | } |
460 | } |
437 | while (max_outstanding && max_outstanding <= eio_nreqs ()); |
|
|
438 | |
|
|
439 | return res; |
|
|
440 | } |
461 | } |
441 | |
462 | |
442 | static void atfork_child (void) |
463 | static void atfork_child (void) |
443 | { |
464 | { |
444 | create_respipe (); |
465 | create_respipe (); |
445 | } |
466 | } |
446 | |
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 | |
447 | #define dREQ \ |
486 | #define dREQ \ |
|
|
487 | SV *cb_cv; \ |
448 | aio_req req; \ |
488 | aio_req req; \ |
449 | int req_pri = next_pri; \ |
489 | int req_pri = next_pri; \ |
450 | next_pri = EIO_PRI_DEFAULT; \ |
490 | next_pri = EIO_PRI_DEFAULT; \ |
451 | \ |
491 | \ |
452 | if (SvOK (callback) && !SvROK (callback)) \ |
492 | cb_cv = get_cb (callback); \ |
453 | croak ("callback must be undef or of reference type"); \ |
|
|
454 | \ |
493 | \ |
455 | Newz (0, req, 1, eio_req); \ |
494 | Newz (0, req, 1, eio_req); \ |
456 | if (!req) \ |
495 | if (!req) \ |
457 | croak ("out of memory during eio_req allocation"); \ |
496 | croak ("out of memory during eio_req allocation"); \ |
458 | \ |
497 | \ |
459 | req->callback = newSVsv (callback); \ |
498 | req->callback = SvREFCNT_inc (cb_cv); \ |
460 | req->pri = req_pri |
499 | req->pri = req_pri |
461 | |
500 | |
462 | #define REQ_SEND \ |
501 | #define REQ_SEND \ |
|
|
502 | PUTBACK; \ |
463 | req_submit (req); \ |
503 | req_submit (req); \ |
|
|
504 | SPAGAIN; \ |
464 | \ |
505 | \ |
465 | if (GIMME_V != G_VOID) \ |
506 | if (GIMME_V != G_VOID) \ |
466 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
507 | XPUSHs (req_sv (req, AIO_REQ_KLASS)); |
467 | |
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 | |
468 | MODULE = IO::AIO PACKAGE = IO::AIO |
520 | MODULE = IO::AIO PACKAGE = IO::AIO |
469 | |
521 | |
470 | PROTOTYPES: ENABLE |
522 | PROTOTYPES: ENABLE |
471 | |
523 | |
472 | BOOT: |
524 | BOOT: |
… | |
… | |
479 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
531 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
480 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
532 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
481 | #ifndef _WIN32 |
533 | #ifndef _WIN32 |
482 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
534 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
483 | #endif |
535 | #endif |
|
|
536 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
|
|
537 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_BEFORE", newSViv (EIO_SYNC_FILE_RANGE_WAIT_BEFORE)); |
|
|
538 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WRITE" , newSViv (EIO_SYNC_FILE_RANGE_WRITE)); |
|
|
539 | newCONSTSUB (stash, "SYNC_FILE_RANGE_WAIT_AFTER" , newSViv (EIO_SYNC_FILE_RANGE_WAIT_AFTER)); |
484 | |
540 | |
485 | create_respipe (); |
541 | create_respipe (); |
486 | |
542 | |
487 | if (eio_init (want_poll, done_poll) < 0) |
543 | if (eio_init (want_poll, done_poll) < 0) |
488 | croak ("IO::AIO: unable to initialise eio library"); |
544 | croak ("IO::AIO: unable to initialise eio library"); |
… | |
… | |
549 | ALIAS: |
605 | ALIAS: |
550 | aio_fsync = EIO_FSYNC |
606 | aio_fsync = EIO_FSYNC |
551 | aio_fdatasync = EIO_FDATASYNC |
607 | aio_fdatasync = EIO_FDATASYNC |
552 | PPCODE: |
608 | PPCODE: |
553 | { |
609 | { |
|
|
610 | int fd = extract_fd (fh, 0); |
554 | dREQ; |
611 | dREQ; |
555 | |
612 | |
556 | req->type = ix; |
613 | req->type = ix; |
557 | req->sv1 = newSVsv (fh); |
614 | req->sv1 = newSVsv (fh); |
558 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
615 | req->int1 = fd; |
|
|
616 | |
|
|
617 | REQ_SEND (req); |
|
|
618 | } |
|
|
619 | |
|
|
620 | void |
|
|
621 | aio_sync_file_range (SV *fh, SV *offset, SV *nbytes, IV flags, SV *callback=&PL_sv_undef) |
|
|
622 | PROTOTYPE: $$$$;$ |
|
|
623 | PPCODE: |
|
|
624 | { |
|
|
625 | int fd = extract_fd (fh, 0); |
|
|
626 | dREQ; |
|
|
627 | |
|
|
628 | req->type = EIO_SYNC_FILE_RANGE; |
|
|
629 | req->sv1 = newSVsv (fh); |
|
|
630 | req->int1 = fd; |
|
|
631 | req->offs = SvVAL64 (offset); |
|
|
632 | req->size = SvVAL64 (nbytes); |
|
|
633 | req->int2 = flags; |
559 | |
634 | |
560 | REQ_SEND (req); |
635 | REQ_SEND (req); |
561 | } |
636 | } |
562 | |
637 | |
563 | void |
638 | void |
564 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
639 | aio_close (SV *fh, SV *callback=&PL_sv_undef) |
565 | PROTOTYPE: $;$ |
640 | PROTOTYPE: $;$ |
566 | PPCODE: |
641 | PPCODE: |
567 | { |
642 | { |
568 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
643 | static int close_pipe = -1; /* dummy fd to close fds via dup2 */ |
|
|
644 | int fd = extract_fd (fh, 0); |
569 | dREQ; |
645 | dREQ; |
570 | |
646 | |
571 | if (close_pipe < 0) |
647 | if (close_pipe < 0) |
572 | { |
648 | { |
573 | int pipefd [2]; |
649 | int pipefd [2]; |
… | |
… | |
581 | } |
657 | } |
582 | |
658 | |
583 | req->type = EIO_DUP2; |
659 | req->type = EIO_DUP2; |
584 | req->int1 = close_pipe; |
660 | req->int1 = close_pipe; |
585 | req->sv2 = newSVsv (fh); |
661 | req->sv2 = newSVsv (fh); |
586 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
662 | req->int2 = fd; |
587 | |
663 | |
588 | REQ_SEND (req); |
664 | REQ_SEND (req); |
589 | } |
665 | } |
590 | |
666 | |
591 | void |
667 | void |
… | |
… | |
595 | aio_write = EIO_WRITE |
671 | aio_write = EIO_WRITE |
596 | PROTOTYPE: $$$$$;$ |
672 | PROTOTYPE: $$$$$;$ |
597 | PPCODE: |
673 | PPCODE: |
598 | { |
674 | { |
599 | STRLEN svlen; |
675 | STRLEN svlen; |
|
|
676 | int fd = extract_fd (fh, ix == EIO_WRITE); |
600 | char *svptr = SvPVbyte (data, svlen); |
677 | char *svptr = SvPVbyte (data, svlen); |
601 | UV len = SvUV (length); |
678 | UV len = SvUV (length); |
602 | |
|
|
603 | SvUPGRADE (data, SVt_PV); |
|
|
604 | SvPOK_on (data); |
|
|
605 | |
679 | |
606 | if (dataoffset < 0) |
680 | if (dataoffset < 0) |
607 | dataoffset += svlen; |
681 | dataoffset += svlen; |
608 | |
682 | |
609 | if (dataoffset < 0 || dataoffset > svlen) |
683 | if (dataoffset < 0 || dataoffset > svlen) |
… | |
… | |
615 | if (!SvOK (length) || len + dataoffset > svlen) |
689 | if (!SvOK (length) || len + dataoffset > svlen) |
616 | len = svlen - dataoffset; |
690 | len = svlen - dataoffset; |
617 | } |
691 | } |
618 | else |
692 | else |
619 | { |
693 | { |
620 | /* read: grow scalar as necessary */ |
694 | /* read: check type and grow scalar as necessary */ |
|
|
695 | SvUPGRADE (data, SVt_PV); |
621 | svptr = SvGROW (data, len + dataoffset + 1); |
696 | svptr = SvGROW (data, len + dataoffset + 1); |
622 | } |
697 | } |
623 | |
698 | |
624 | if (len < 0) |
699 | if (len < 0) |
625 | croak ("length must not be negative"); |
700 | croak ("length must not be negative"); |
… | |
… | |
627 | { |
702 | { |
628 | dREQ; |
703 | dREQ; |
629 | |
704 | |
630 | req->type = ix; |
705 | req->type = ix; |
631 | req->sv1 = newSVsv (fh); |
706 | req->sv1 = newSVsv (fh); |
632 | req->int1 = PerlIO_fileno (ix == EIO_READ ? IoIFP (sv_2io (fh)) |
707 | req->int1 = fd; |
633 | : IoOFP (sv_2io (fh))); |
|
|
634 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
708 | req->offs = SvOK (offset) ? SvVAL64 (offset) : -1; |
635 | req->size = len; |
709 | req->size = len; |
636 | req->sv2 = SvREFCNT_inc (data); |
710 | req->sv2 = SvREFCNT_inc (data); |
637 | req->ptr2 = (char *)svptr + dataoffset; |
711 | req->ptr2 = (char *)svptr + dataoffset; |
638 | req->stroffset = dataoffset; |
712 | req->stroffset = dataoffset; |
… | |
… | |
665 | void |
739 | void |
666 | 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) |
667 | PROTOTYPE: $$$$;$ |
741 | PROTOTYPE: $$$$;$ |
668 | PPCODE: |
742 | PPCODE: |
669 | { |
743 | { |
|
|
744 | int ifd = extract_fd (in_fh , 0); |
|
|
745 | int ofd = extract_fd (out_fh, 0); |
670 | dREQ; |
746 | dREQ; |
671 | |
747 | |
672 | req->type = EIO_SENDFILE; |
748 | req->type = EIO_SENDFILE; |
673 | req->sv1 = newSVsv (out_fh); |
749 | req->sv1 = newSVsv (out_fh); |
674 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (out_fh))); |
750 | req->int1 = ofd; |
675 | req->sv2 = newSVsv (in_fh); |
751 | req->sv2 = newSVsv (in_fh); |
676 | req->int2 = PerlIO_fileno (IoIFP (sv_2io (in_fh))); |
752 | req->int2 = ifd; |
677 | req->offs = SvVAL64 (in_offset); |
753 | req->offs = SvVAL64 (in_offset); |
678 | req->size = length; |
754 | req->size = length; |
679 | |
755 | |
680 | REQ_SEND; |
756 | REQ_SEND; |
681 | } |
757 | } |
… | |
… | |
683 | void |
759 | void |
684 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
760 | aio_readahead (SV *fh, SV *offset, IV length, SV *callback=&PL_sv_undef) |
685 | PROTOTYPE: $$$;$ |
761 | PROTOTYPE: $$$;$ |
686 | PPCODE: |
762 | PPCODE: |
687 | { |
763 | { |
|
|
764 | int fd = extract_fd (fh, 0); |
688 | dREQ; |
765 | dREQ; |
689 | |
766 | |
690 | req->type = EIO_READAHEAD; |
767 | req->type = EIO_READAHEAD; |
691 | req->sv1 = newSVsv (fh); |
768 | req->sv1 = newSVsv (fh); |
692 | req->int1 = PerlIO_fileno (IoIFP (sv_2io (fh))); |
769 | req->int1 = fd; |
693 | req->offs = SvVAL64 (offset); |
770 | req->offs = SvVAL64 (offset); |
694 | req->size = length; |
771 | req->size = length; |
695 | |
772 | |
696 | REQ_SEND; |
773 | REQ_SEND; |
697 | } |
774 | } |
… | |
… | |
888 | { |
965 | { |
889 | dREQ; |
966 | dREQ; |
890 | |
967 | |
891 | req->type = EIO_GROUP; |
968 | req->type = EIO_GROUP; |
892 | |
969 | |
893 | eio_submit (req); |
970 | req_submit (req); |
894 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
971 | XPUSHs (req_sv (req, AIO_GRP_KLASS)); |
895 | } |
972 | } |
896 | |
973 | |
897 | void |
974 | void |
898 | aio_nop (SV *callback=&PL_sv_undef) |
975 | aio_nop (SV *callback=&PL_sv_undef) |
… | |
… | |
1017 | CODE: |
1094 | CODE: |
1018 | eio_cancel (req); |
1095 | eio_cancel (req); |
1019 | |
1096 | |
1020 | void |
1097 | void |
1021 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1098 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1022 | CODE: |
1099 | PPCODE: |
|
|
1100 | { |
|
|
1101 | if (GIMME_V != G_VOID) |
|
|
1102 | XPUSHs (req->callback ? sv_2mortal (newRV_inc (req->callback)) : &PL_sv_undef); |
|
|
1103 | |
|
|
1104 | if (items > 1) |
|
|
1105 | { |
|
|
1106 | SV *cb_cv = get_cb (callback); |
|
|
1107 | |
1023 | SvREFCNT_dec (req->callback); |
1108 | SvREFCNT_dec (req->callback); |
1024 | req->callback = newSVsv (callback); |
1109 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
1110 | } |
|
|
1111 | } |
1025 | |
1112 | |
1026 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1113 | MODULE = IO::AIO PACKAGE = IO::AIO::GRP |
1027 | |
1114 | |
1028 | void |
1115 | void |
1029 | add (aio_req grp, ...) |
1116 | add (aio_req grp, ...) |
… | |
… | |
1084 | void |
1171 | void |
1085 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1172 | feed (aio_req grp, SV *callback=&PL_sv_undef) |
1086 | CODE: |
1173 | CODE: |
1087 | { |
1174 | { |
1088 | SvREFCNT_dec (grp->sv2); |
1175 | SvREFCNT_dec (grp->sv2); |
1089 | grp->sv2 = newSVsv (callback); |
1176 | grp->sv2 = newSVsv (callback); |
|
|
1177 | grp->feed = aio_grp_feed; |
1090 | |
1178 | |
1091 | if (grp->int2 <= 0) |
1179 | if (grp->int2 <= 0) |
1092 | grp->int2 = 2; |
1180 | grp->int2 = 2; |
1093 | |
1181 | |
1094 | eio_grp_limit (grp, grp->int2); |
1182 | eio_grp_limit (grp, grp->int2); |