… | |
… | |
341 | static s_epipe respipe; |
341 | static s_epipe respipe; |
342 | |
342 | |
343 | static void req_destroy (aio_req req); |
343 | static void req_destroy (aio_req req); |
344 | static void req_cancel (aio_req req); |
344 | static void req_cancel (aio_req req); |
345 | |
345 | |
346 | static void want_poll (void) |
346 | static void |
|
|
347 | want_poll (void) |
347 | { |
348 | { |
348 | /* write a dummy byte to the pipe so fh becomes ready */ |
349 | /* write a dummy byte to the pipe so fh becomes ready */ |
349 | s_epipe_signal (&respipe); |
350 | s_epipe_signal (&respipe); |
350 | } |
351 | } |
351 | |
352 | |
352 | static void done_poll (void) |
353 | static void |
|
|
354 | done_poll (void) |
353 | { |
355 | { |
354 | /* read any signals sent by the worker threads */ |
356 | /* read any signals sent by the worker threads */ |
355 | s_epipe_drain (&respipe); |
357 | s_epipe_drain (&respipe); |
356 | } |
358 | } |
357 | |
359 | |
358 | /* must be called at most once */ |
360 | /* must be called at most once */ |
|
|
361 | static SV * |
359 | static SV *req_sv (aio_req req, HV *stash) |
362 | req_sv (aio_req req, HV *stash) |
360 | { |
363 | { |
361 | if (!req->self) |
364 | if (!req->self) |
362 | { |
365 | { |
363 | req->self = (SV *)newHV (); |
366 | req->self = (SV *)newHV (); |
364 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
367 | sv_magic (req->self, 0, PERL_MAGIC_ext, (char *)req, 0); |
… | |
… | |
368 | } |
371 | } |
369 | |
372 | |
370 | static SV * |
373 | static SV * |
371 | newSVaio_wd (aio_wd wd) |
374 | newSVaio_wd (aio_wd wd) |
372 | { |
375 | { |
373 | return sv_bless (newRV_noinc (newSViv ((long)wd)), aio_wd_stash); |
376 | return sv_bless (newRV_noinc (newSViv ((IV)wd)), aio_wd_stash); |
374 | } |
377 | } |
375 | |
378 | |
376 | static aio_req SvAIO_REQ (SV *sv) |
379 | static aio_req |
|
|
380 | SvAIO_REQ (SV *sv) |
377 | { |
381 | { |
378 | MAGIC *mg; |
382 | MAGIC *mg; |
379 | |
383 | |
380 | if (!SvROK (sv) |
384 | if (!SvROK (sv) |
|
|
385 | /* for speed reasons, we do not verify that SvROK actually has a stash ptr */ |
381 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
386 | || (SvSTASH (SvRV (sv)) != aio_grp_stash |
382 | && SvSTASH (SvRV (sv)) != aio_req_stash |
387 | && SvSTASH (SvRV (sv)) != aio_req_stash |
383 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
388 | && !sv_derived_from (sv, "IO::AIO::REQ"))) |
384 | croak ("object of class IO::AIO::REQ expected"); |
389 | croak ("object of class IO::AIO::REQ expected"); |
385 | |
390 | |
386 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
391 | mg = mg_find (SvRV (sv), PERL_MAGIC_ext); |
387 | |
392 | |
388 | return mg ? (aio_req)mg->mg_ptr : 0; |
393 | return mg ? (aio_req)mg->mg_ptr : 0; |
389 | } |
394 | } |
390 | |
395 | |
391 | static aio_wd SvAIO_WD (SV *sv) |
396 | static aio_wd |
|
|
397 | SvAIO_WD (SV *sv) |
392 | { |
398 | { |
393 | if (!SvROK (sv) |
399 | if (!SvROK (sv) |
|
|
400 | || SvTYPE (SvRV (sv)) != SVt_PVMG |
394 | || SvSTASH (SvRV (sv)) != aio_wd_stash |
401 | || SvSTASH (SvRV (sv)) != aio_wd_stash) |
395 | || SvTYPE (SvRV (sv)) != SVt_PVMG) |
|
|
396 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
402 | croak ("IO::AIO: expected a working directory object as returned by aio_wd"); |
397 | |
403 | |
398 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
404 | return (aio_wd)(long)SvIVX (SvRV (sv)); |
399 | } |
405 | } |
400 | |
406 | |
|
|
407 | static void |
401 | static void aio_grp_feed (aio_req grp) |
408 | aio_grp_feed (aio_req grp) |
402 | { |
409 | { |
403 | if (grp->sv2 && SvOK (grp->sv2)) |
410 | if (grp->sv2 && SvOK (grp->sv2)) |
404 | { |
411 | { |
405 | dSP; |
412 | dSP; |
406 | |
413 | |
… | |
… | |
414 | FREETMPS; |
421 | FREETMPS; |
415 | LEAVE; |
422 | LEAVE; |
416 | } |
423 | } |
417 | } |
424 | } |
418 | |
425 | |
|
|
426 | static void |
419 | static void req_submit (eio_req *req) |
427 | req_submit (eio_req *req) |
420 | { |
428 | { |
421 | eio_submit (req); |
429 | eio_submit (req); |
422 | |
430 | |
423 | if (expect_false (on_next_submit)) |
431 | if (expect_false (on_next_submit)) |
424 | { |
432 | { |
… | |
… | |
431 | PUTBACK; |
439 | PUTBACK; |
432 | call_sv (cb, G_DISCARD | G_EVAL); |
440 | call_sv (cb, G_DISCARD | G_EVAL); |
433 | } |
441 | } |
434 | } |
442 | } |
435 | |
443 | |
|
|
444 | static int |
436 | static int req_invoke (eio_req *req) |
445 | req_invoke (eio_req *req) |
437 | { |
446 | { |
438 | if (req->flags & FLAG_SV2_RO_OFF) |
447 | if (req->flags & FLAG_SV2_RO_OFF) |
439 | SvREADONLY_off (req->sv2); |
448 | SvREADONLY_off (req->sv2); |
440 | |
449 | |
441 | if (!EIO_CANCELLED (req) && req->callback) |
450 | if (!EIO_CANCELLED (req) && req->callback) |
… | |
… | |
463 | } |
472 | } |
464 | |
473 | |
465 | switch (req->type) |
474 | switch (req->type) |
466 | { |
475 | { |
467 | case EIO_WD_OPEN: |
476 | case EIO_WD_OPEN: |
468 | PUSHs (sv_2mortal (newSVaio_wd (req->wd))); |
477 | PUSHs (req->result ? &PL_sv_undef : sv_2mortal (newSVaio_wd (req->wd))); |
469 | break; |
478 | break; |
470 | |
479 | |
471 | case EIO_READDIR: |
480 | case EIO_READDIR: |
472 | { |
481 | { |
473 | SV *rv = &PL_sv_undef; |
482 | SV *rv = &PL_sv_undef; |
… | |
… | |
666 | } |
675 | } |
667 | |
676 | |
668 | return !!SvTRUE (ERRSV); |
677 | return !!SvTRUE (ERRSV); |
669 | } |
678 | } |
670 | |
679 | |
|
|
680 | static void |
671 | static void req_destroy (aio_req req) |
681 | req_destroy (aio_req req) |
672 | { |
682 | { |
673 | if (req->self) |
683 | if (req->self) |
674 | { |
684 | { |
675 | sv_unmagic (req->self, PERL_MAGIC_ext); |
685 | sv_unmagic (req->self, PERL_MAGIC_ext); |
676 | SvREFCNT_dec (req->self); |
686 | SvREFCNT_dec (req->self); |
… | |
… | |
680 | SvREFCNT_dec (req->sv2); |
690 | SvREFCNT_dec (req->sv2); |
681 | SvREFCNT_dec (req->sv3); |
691 | SvREFCNT_dec (req->sv3); |
682 | SvREFCNT_dec (req->sv4); |
692 | SvREFCNT_dec (req->sv4); |
683 | SvREFCNT_dec (req->callback); |
693 | SvREFCNT_dec (req->callback); |
684 | |
694 | |
685 | Safefree (req); |
695 | free (req); |
686 | } |
696 | } |
687 | |
697 | |
|
|
698 | static void |
688 | static void req_cancel_subs (aio_req grp) |
699 | req_cancel_subs (aio_req grp) |
689 | { |
700 | { |
690 | if (grp->type != EIO_GROUP) |
701 | if (grp->type != EIO_GROUP) |
691 | return; |
702 | return; |
692 | |
703 | |
693 | SvREFCNT_dec (grp->sv2); |
704 | SvREFCNT_dec (grp->sv2); |
694 | grp->sv2 = 0; |
705 | grp->sv2 = 0; |
695 | |
706 | |
696 | eio_grp_cancel (grp); |
707 | eio_grp_cancel (grp); |
697 | } |
708 | } |
698 | |
709 | |
|
|
710 | static void ecb_cold |
699 | static void create_respipe (void) |
711 | create_respipe (void) |
700 | { |
712 | { |
701 | if (s_epipe_renew (&respipe)) |
713 | if (s_epipe_renew (&respipe)) |
702 | croak ("IO::AIO: unable to initialize result pipe"); |
714 | croak ("IO::AIO: unable to initialize result pipe"); |
703 | } |
715 | } |
704 | |
716 | |
705 | static void poll_wait (void) |
717 | static void |
|
|
718 | poll_wait (void) |
706 | { |
719 | { |
707 | while (eio_nreqs ()) |
720 | while (eio_nreqs ()) |
708 | { |
721 | { |
709 | int size; |
722 | int size; |
710 | |
723 | |
… | |
… | |
719 | |
732 | |
720 | s_epipe_wait (&respipe); |
733 | s_epipe_wait (&respipe); |
721 | } |
734 | } |
722 | } |
735 | } |
723 | |
736 | |
724 | static int poll_cb (void) |
737 | static int |
|
|
738 | poll_cb (void) |
725 | { |
739 | { |
726 | for (;;) |
740 | for (;;) |
727 | { |
741 | { |
728 | int res = eio_poll (); |
742 | int res = eio_poll (); |
729 | |
743 | |
… | |
… | |
762 | # define MAP_FIXED 0 |
776 | # define MAP_FIXED 0 |
763 | #endif |
777 | #endif |
764 | |
778 | |
765 | #define MMAP_MAGIC PERL_MAGIC_ext |
779 | #define MMAP_MAGIC PERL_MAGIC_ext |
766 | |
780 | |
|
|
781 | static int ecb_cold |
767 | static int mmap_free (pTHX_ SV *sv, MAGIC *mg) |
782 | mmap_free (pTHX_ SV *sv, MAGIC *mg) |
768 | { |
783 | { |
769 | int old_errno = errno; |
784 | int old_errno = errno; |
770 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
785 | munmap (mg->mg_ptr, (size_t)mg->mg_obj); |
771 | errno = old_errno; |
786 | errno = old_errno; |
772 | |
787 | |
… | |
… | |
788 | 0, 0, 0, 0, mmap_free |
803 | 0, 0, 0, 0, mmap_free |
789 | }; |
804 | }; |
790 | |
805 | |
791 | /*****************************************************************************/ |
806 | /*****************************************************************************/ |
792 | |
807 | |
|
|
808 | static SV * |
793 | static SV * get_cb (SV *cb_sv) |
809 | get_cb (SV *cb_sv) |
794 | { |
810 | { |
795 | SvGETMAGIC (cb_sv); |
811 | SvGETMAGIC (cb_sv); |
796 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
812 | return SvOK (cb_sv) ? s_get_cv_croak (cb_sv) : 0; |
797 | } |
813 | } |
798 | |
814 | |
|
|
815 | static aio_req ecb_noinline |
|
|
816 | dreq (SV *callback) |
|
|
817 | { |
|
|
818 | SV *cb_cv; |
|
|
819 | aio_req req; |
|
|
820 | int req_pri = next_pri; |
|
|
821 | next_pri = EIO_PRI_DEFAULT; |
|
|
822 | |
|
|
823 | cb_cv = get_cb (callback); |
|
|
824 | |
|
|
825 | req = calloc (sizeof (*req), 1); |
|
|
826 | if (!req) |
|
|
827 | croak ("out of memory during eio_req allocation"); |
|
|
828 | |
|
|
829 | req->callback = SvREFCNT_inc (cb_cv); |
|
|
830 | req->pri = req_pri; |
|
|
831 | |
|
|
832 | return req; |
|
|
833 | } |
|
|
834 | |
799 | #define dREQ \ |
835 | #define dREQ \ |
800 | SV *cb_cv; \ |
836 | aio_req req = dreq (callback); \ |
801 | aio_req req; \ |
|
|
802 | int req_pri = next_pri; \ |
|
|
803 | next_pri = EIO_PRI_DEFAULT; \ |
|
|
804 | \ |
|
|
805 | cb_cv = get_cb (callback); \ |
|
|
806 | \ |
|
|
807 | Newz (0, req, 1, eio_req); \ |
|
|
808 | if (!req) \ |
|
|
809 | croak ("out of memory during eio_req allocation"); \ |
|
|
810 | \ |
|
|
811 | req->callback = SvREFCNT_inc (cb_cv); \ |
|
|
812 | req->pri = req_pri |
|
|
813 | |
837 | |
814 | #define REQ_SEND \ |
838 | #define REQ_SEND \ |
815 | PUTBACK; \ |
839 | PUTBACK; \ |
816 | req_submit (req); \ |
840 | req_submit (req); \ |
817 | SPAGAIN; \ |
841 | SPAGAIN; \ |
818 | \ |
842 | \ |
819 | if (GIMME_V != G_VOID) \ |
843 | if (GIMME_V != G_VOID) \ |
820 | XPUSHs (req_sv (req, aio_req_stash)); |
844 | XPUSHs (req_sv (req, aio_req_stash)); |
821 | |
845 | |
822 | static void |
846 | ecb_inline void |
823 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
847 | req_set_path (aio_req req, SV *path, SV **wdsv, SV **pathsv, eio_wd *wd, void **ptr) |
824 | { |
848 | { |
825 | if (expect_false (SvROK (path))) |
849 | if (expect_false (SvROK (path))) |
826 | { |
850 | { |
827 | AV *av = (AV *)SvRV (path); |
851 | SV *rv = SvRV (path); |
828 | SV *wdob; |
852 | SV *wdob; |
829 | |
853 | |
830 | if (SvTYPE (av) != SVt_PVAV || AvFILLp (av) != 1) |
854 | if (SvTYPE (rv) == SVt_PVAV && AvFILLp (rv) == 1) |
831 | croak ("IO::AIO: pathname arguments must be specified as strings or [wd, path] arrayrefs"); |
|
|
832 | |
|
|
833 | path = AvARRAY (av)[1]; |
|
|
834 | wdob = AvARRAY (av)[0]; |
|
|
835 | |
|
|
836 | if (SvOK (wdob)) |
|
|
837 | { |
855 | { |
|
|
856 | path = AvARRAY (rv)[1]; |
|
|
857 | wdob = AvARRAY (rv)[0]; |
|
|
858 | |
|
|
859 | if (SvOK (wdob)) |
|
|
860 | { |
838 | *wd = SvAIO_WD (wdob); |
861 | *wd = SvAIO_WD (wdob); |
839 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
862 | *wdsv = SvREFCNT_inc_NN (SvRV (wdob)); |
|
|
863 | } |
|
|
864 | else |
|
|
865 | *wd = EIO_INVALID_WD; |
|
|
866 | } |
|
|
867 | else if (SvTYPE (rv) == SVt_PVMG && SvSTASH (rv) == aio_wd_stash) |
|
|
868 | { |
|
|
869 | *wd = (aio_wd)(long)SvIVX (rv); |
|
|
870 | *wdsv = SvREFCNT_inc_NN (rv); |
|
|
871 | *ptr = "."; |
|
|
872 | return; /* path set to "." */ |
840 | } |
873 | } |
841 | else |
874 | else |
842 | *wd = EIO_INVALID_WD; |
875 | croak ("IO::AIO: pathname arguments must be specified as a string, an IO::AIO::WD object or a [IO::AIO::WD, path] pair"); |
843 | } |
876 | } |
844 | |
877 | |
845 | *pathsv = newSVsv (path); |
878 | *pathsv = newSVsv (path); |
846 | *ptr = SvPVbyte_nolen (*pathsv); |
879 | *ptr = SvPVbyte_nolen (*pathsv); |
847 | } |
880 | } |
848 | |
881 | |
849 | static void |
882 | static void ecb_noinline |
850 | req_set_path1 (aio_req req, SV *path) |
883 | req_set_path1 (aio_req req, SV *path) |
851 | { |
884 | { |
852 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
885 | req_set_path (req, path, &req->sv1, &req->sv3, &req->wd, &req->ptr1); |
853 | } |
886 | } |
854 | |
887 | |
855 | static void |
888 | static void ecb_noinline |
856 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
889 | req_set_fh_or_path (aio_req req, int type_path, int type_fh, SV *fh_or_path) |
857 | { |
890 | { |
858 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
891 | SV *rv = SvROK (fh_or_path) ? SvRV (fh_or_path) : fh_or_path; |
859 | |
892 | |
860 | switch (SvTYPE (rv)) |
893 | switch (SvTYPE (rv)) |
… | |
… | |
870 | default: |
903 | default: |
871 | req->type = type_path; |
904 | req->type = type_path; |
872 | req_set_path1 (req, fh_or_path); |
905 | req_set_path1 (req, fh_or_path); |
873 | break; |
906 | break; |
874 | } |
907 | } |
875 | |
|
|
876 | } |
908 | } |
|
|
909 | |
|
|
910 | XS(boot_IO__AIO) ecb_cold; |
877 | |
911 | |
878 | MODULE = IO::AIO PACKAGE = IO::AIO |
912 | MODULE = IO::AIO PACKAGE = IO::AIO |
879 | |
913 | |
880 | PROTOTYPES: ENABLE |
914 | PROTOTYPES: ENABLE |
881 | |
915 | |
… | |
… | |
1280 | aio_statvfs = EIO_STATVFS |
1314 | aio_statvfs = EIO_STATVFS |
1281 | PPCODE: |
1315 | PPCODE: |
1282 | { |
1316 | { |
1283 | dREQ; |
1317 | dREQ; |
1284 | |
1318 | |
1285 | req->sv1 = newSVsv (fh_or_path); |
|
|
1286 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
1319 | req_set_fh_or_path (req, ix, ix == EIO_STATVFS ? EIO_FSTATVFS : EIO_FSTAT, fh_or_path); |
|
|
1320 | |
1287 | REQ_SEND; |
1321 | REQ_SEND; |
1288 | } |
1322 | } |
1289 | |
1323 | |
1290 | UV |
1324 | UV |
1291 | major (UV dev) |
1325 | major (UV dev) |
… | |
… | |
1771 | DESTROY (SV *self) |
1805 | DESTROY (SV *self) |
1772 | CODE: |
1806 | CODE: |
1773 | { |
1807 | { |
1774 | aio_wd wd = SvAIO_WD (self); |
1808 | aio_wd wd = SvAIO_WD (self); |
1775 | #if HAVE_AT |
1809 | #if HAVE_AT |
|
|
1810 | { |
1776 | SV *callback = &PL_sv_undef; |
1811 | SV *callback = &PL_sv_undef; |
1777 | dREQ; /* clobbers next_pri :/ */ |
1812 | dREQ; /* clobbers next_pri :/ */ |
|
|
1813 | next_pri = req->pri; /* restore next_pri */ |
|
|
1814 | req->pri = EIO_PRI_MAX; /* better use max. priority to conserve fds */ |
1778 | req->type = EIO_WD_CLOSE; |
1815 | req->type = EIO_WD_CLOSE; |
1779 | req->wd = wd; |
1816 | req->wd = wd; |
1780 | REQ_SEND; |
1817 | REQ_SEND; |
|
|
1818 | } |
1781 | #else |
1819 | #else |
1782 | eio_wd_close_sync (wd); |
1820 | eio_wd_close_sync (wd); |
1783 | #endif |
1821 | #endif |
1784 | } |
1822 | } |
1785 | |
1823 | |