… | |
… | |
59 | |
59 | |
60 | /* buffer size for various temporary buffers */ |
60 | /* buffer size for various temporary buffers */ |
61 | #define AIO_BUFSIZE 65536 |
61 | #define AIO_BUFSIZE 65536 |
62 | |
62 | |
63 | #define dBUF \ |
63 | #define dBUF \ |
|
|
64 | char *aio_buf; \ |
|
|
65 | LOCK (wrklock); \ |
64 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
66 | self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ |
|
|
67 | UNLOCK (wrklock); \ |
65 | if (!aio_buf) \ |
68 | if (!aio_buf) \ |
66 | return -1; |
69 | return -1; |
67 | |
|
|
68 | #define fBUF free (aio_buf) |
|
|
69 | |
70 | |
70 | enum { |
71 | enum { |
71 | REQ_QUIT, |
72 | REQ_QUIT, |
72 | REQ_OPEN, REQ_CLOSE, |
73 | REQ_OPEN, REQ_CLOSE, |
73 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
74 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
… | |
… | |
136 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
137 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
137 | #else |
138 | #else |
138 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
139 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
139 | #endif |
140 | #endif |
140 | |
141 | |
|
|
142 | #define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
|
|
143 | #define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
|
|
144 | |
|
|
145 | /* worker threasd management */ |
|
|
146 | static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
|
|
147 | |
|
|
148 | typedef struct worker { |
|
|
149 | /* locked by wrklock */ |
|
|
150 | struct worker *prev, *next; |
|
|
151 | |
|
|
152 | pthread_t tid; |
|
|
153 | |
|
|
154 | /* locked by reslock, reqlock or wrklock */ |
|
|
155 | aio_req req; /* currently processed request */ |
|
|
156 | void *dbuf; |
|
|
157 | DIR *dirp; |
|
|
158 | } worker; |
|
|
159 | |
|
|
160 | static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
|
|
161 | |
|
|
162 | static void worker_clear (worker *wrk) |
|
|
163 | { |
|
|
164 | if (wrk->dirp) |
|
|
165 | { |
|
|
166 | closedir (wrk->dirp); |
|
|
167 | wrk->dirp = 0; |
|
|
168 | } |
|
|
169 | |
|
|
170 | if (wrk->dbuf) |
|
|
171 | { |
|
|
172 | free (wrk->dbuf); |
|
|
173 | wrk->dbuf = 0; |
|
|
174 | } |
|
|
175 | } |
|
|
176 | |
|
|
177 | static void worker_free (worker *wrk) |
|
|
178 | { |
|
|
179 | wrk->next->prev = wrk->prev; |
|
|
180 | wrk->prev->next = wrk->next; |
|
|
181 | |
|
|
182 | free (wrk); |
|
|
183 | } |
|
|
184 | |
141 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
185 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
142 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
186 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
143 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
187 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
144 | |
188 | |
145 | /* |
189 | /* |
… | |
… | |
196 | abort (); |
240 | abort (); |
197 | } |
241 | } |
198 | |
242 | |
199 | static void req_invoke (aio_req req); |
243 | static void req_invoke (aio_req req); |
200 | static void req_free (aio_req req); |
244 | static void req_free (aio_req req); |
|
|
245 | static void req_cancel (aio_req req); |
201 | |
246 | |
202 | /* must be called at most once */ |
247 | /* must be called at most once */ |
203 | static SV *req_sv (aio_req req, const char *klass) |
248 | static SV *req_sv (aio_req req, const char *klass) |
204 | { |
249 | { |
205 | if (!req->self) |
250 | if (!req->self) |
… | |
… | |
274 | fd_set rfd; |
319 | fd_set rfd; |
275 | |
320 | |
276 | while (nreqs) |
321 | while (nreqs) |
277 | { |
322 | { |
278 | int size; |
323 | int size; |
279 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
324 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
280 | pthread_mutex_lock (&reslock); |
325 | LOCK (reslock); |
281 | #endif |
326 | #endif |
282 | size = res_queue.size; |
327 | size = res_queue.size; |
283 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
328 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
284 | pthread_mutex_unlock (&reslock); |
329 | UNLOCK (reslock); |
285 | #endif |
330 | #endif |
286 | |
331 | |
287 | if (size) |
332 | if (size) |
288 | return; |
333 | return; |
289 | |
334 | |
… | |
… | |
313 | { |
358 | { |
314 | SV *rv = &PL_sv_undef; |
359 | SV *rv = &PL_sv_undef; |
315 | |
360 | |
316 | if (req->result >= 0) |
361 | if (req->result >= 0) |
317 | { |
362 | { |
|
|
363 | int i; |
318 | char *buf = req->data2ptr; |
364 | char *buf = req->data2ptr; |
319 | AV *av = newAV (); |
365 | AV *av = newAV (); |
320 | |
366 | |
321 | while (req->result) |
367 | av_extend (av, req->result - 1); |
|
|
368 | |
|
|
369 | for (i = 0; i < req->result; ++i) |
322 | { |
370 | { |
323 | SV *sv = newSVpv (buf, 0); |
371 | SV *sv = newSVpv (buf, 0); |
324 | |
372 | |
325 | av_push (av, sv); |
373 | av_store (av, i, sv); |
326 | buf += SvCUR (sv) + 1; |
374 | buf += SvCUR (sv) + 1; |
327 | req->result--; |
|
|
328 | } |
375 | } |
329 | |
376 | |
330 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
377 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
331 | } |
378 | } |
332 | |
379 | |
… | |
… | |
416 | SvREFCNT_dec (req->fh); |
463 | SvREFCNT_dec (req->fh); |
417 | SvREFCNT_dec (req->fh2); |
464 | SvREFCNT_dec (req->fh2); |
418 | SvREFCNT_dec (req->callback); |
465 | SvREFCNT_dec (req->callback); |
419 | Safefree (req->statdata); |
466 | Safefree (req->statdata); |
420 | |
467 | |
421 | if (req->type == REQ_READDIR && req->result >= 0) |
468 | if (req->type == REQ_READDIR) |
422 | free (req->data2ptr); |
469 | free (req->data2ptr); |
423 | |
470 | |
424 | Safefree (req); |
471 | Safefree (req); |
425 | } |
472 | } |
426 | |
473 | |
|
|
474 | static void req_cancel_subs (aio_req grp) |
|
|
475 | { |
|
|
476 | aio_req sub; |
|
|
477 | |
|
|
478 | if (grp->type != REQ_GROUP) |
|
|
479 | return; |
|
|
480 | |
|
|
481 | SvREFCNT_dec (grp->fh2); |
|
|
482 | grp->fh2 = 0; |
|
|
483 | |
|
|
484 | for (sub = grp->grp_first; sub; sub = sub->grp_next) |
|
|
485 | req_cancel (sub); |
|
|
486 | } |
|
|
487 | |
427 | static void req_cancel (aio_req req) |
488 | static void req_cancel (aio_req req) |
428 | { |
489 | { |
429 | req->flags |= FLAG_CANCELLED; |
490 | req->flags |= FLAG_CANCELLED; |
430 | |
491 | |
431 | if (req->type == REQ_GROUP) |
492 | req_cancel_subs (req); |
432 | { |
|
|
433 | aio_req sub; |
|
|
434 | |
|
|
435 | for (sub = req->grp_first; sub; sub = sub->grp_next) |
|
|
436 | req_cancel (sub); |
|
|
437 | } |
|
|
438 | } |
493 | } |
439 | |
494 | |
440 | static int poll_cb () |
495 | static int poll_cb () |
441 | { |
496 | { |
442 | dSP; |
497 | dSP; |
… | |
… | |
444 | int do_croak = 0; |
499 | int do_croak = 0; |
445 | aio_req req; |
500 | aio_req req; |
446 | |
501 | |
447 | for (;;) |
502 | for (;;) |
448 | { |
503 | { |
449 | pthread_mutex_lock (&reslock); |
504 | LOCK (reslock); |
450 | req = reqq_shift (&res_queue); |
505 | req = reqq_shift (&res_queue); |
451 | |
506 | |
452 | if (req) |
507 | if (req) |
453 | { |
508 | { |
454 | if (!res_queue.size) |
509 | if (!res_queue.size) |
… | |
… | |
458 | while (read (respipe [0], buf, 32) == 32) |
513 | while (read (respipe [0], buf, 32) == 32) |
459 | ; |
514 | ; |
460 | } |
515 | } |
461 | } |
516 | } |
462 | |
517 | |
463 | pthread_mutex_unlock (&reslock); |
518 | UNLOCK (reslock); |
464 | |
519 | |
465 | if (!req) |
520 | if (!req) |
466 | break; |
521 | break; |
467 | |
522 | |
468 | --nreqs; |
523 | --nreqs; |
… | |
… | |
503 | static void *aio_proc(void *arg); |
558 | static void *aio_proc(void *arg); |
504 | |
559 | |
505 | static void start_thread (void) |
560 | static void start_thread (void) |
506 | { |
561 | { |
507 | sigset_t fullsigset, oldsigset; |
562 | sigset_t fullsigset, oldsigset; |
508 | pthread_t tid; |
|
|
509 | pthread_attr_t attr; |
563 | pthread_attr_t attr; |
|
|
564 | |
|
|
565 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
566 | |
|
|
567 | if (!wrk) |
|
|
568 | croak ("unable to allocate worker thread data"); |
510 | |
569 | |
511 | pthread_attr_init (&attr); |
570 | pthread_attr_init (&attr); |
512 | pthread_attr_setstacksize (&attr, STACKSIZE); |
571 | pthread_attr_setstacksize (&attr, STACKSIZE); |
513 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
572 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
514 | |
573 | |
515 | sigfillset (&fullsigset); |
574 | sigfillset (&fullsigset); |
|
|
575 | |
|
|
576 | LOCK (wrklock); |
516 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
577 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
517 | |
578 | |
518 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
579 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
580 | { |
|
|
581 | wrk->prev = &wrk_first; |
|
|
582 | wrk->next = wrk_first.next; |
|
|
583 | wrk_first.next->prev = wrk; |
|
|
584 | wrk_first.next = wrk; |
519 | started++; |
585 | started++; |
|
|
586 | } |
|
|
587 | else |
|
|
588 | free (wrk); |
520 | |
589 | |
521 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
590 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
591 | UNLOCK (wrklock); |
522 | } |
592 | } |
523 | |
593 | |
524 | static void req_send (aio_req req) |
594 | static void req_send (aio_req req) |
525 | { |
595 | { |
526 | while (started < wanted && nreqs >= started) |
596 | while (started < wanted && nreqs >= started) |
527 | start_thread (); |
597 | start_thread (); |
528 | |
598 | |
529 | ++nreqs; |
599 | ++nreqs; |
530 | |
600 | |
531 | pthread_mutex_lock (&reqlock); |
601 | LOCK (reqlock); |
532 | reqq_push (&req_queue, req); |
602 | reqq_push (&req_queue, req); |
533 | pthread_cond_signal (&reqwait); |
603 | pthread_cond_signal (&reqwait); |
534 | pthread_mutex_unlock (&reqlock); |
604 | UNLOCK (reqlock); |
535 | |
605 | |
536 | if (nreqs > max_outstanding) |
606 | if (nreqs > max_outstanding) |
537 | for (;;) |
607 | for (;;) |
538 | { |
608 | { |
539 | poll_cb (); |
609 | poll_cb (); |
… | |
… | |
612 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
682 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
613 | { |
683 | { |
614 | ssize_t res; |
684 | ssize_t res; |
615 | off_t ooffset; |
685 | off_t ooffset; |
616 | |
686 | |
617 | pthread_mutex_lock (&preadwritelock); |
687 | LOCK (preadwritelock); |
618 | ooffset = lseek (fd, 0, SEEK_CUR); |
688 | ooffset = lseek (fd, 0, SEEK_CUR); |
619 | lseek (fd, offset, SEEK_SET); |
689 | lseek (fd, offset, SEEK_SET); |
620 | res = read (fd, buf, count); |
690 | res = read (fd, buf, count); |
621 | lseek (fd, ooffset, SEEK_SET); |
691 | lseek (fd, ooffset, SEEK_SET); |
622 | pthread_mutex_unlock (&preadwritelock); |
692 | UNLOCK (preadwritelock); |
623 | |
693 | |
624 | return res; |
694 | return res; |
625 | } |
695 | } |
626 | |
696 | |
627 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
697 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
628 | { |
698 | { |
629 | ssize_t res; |
699 | ssize_t res; |
630 | off_t ooffset; |
700 | off_t ooffset; |
631 | |
701 | |
632 | pthread_mutex_lock (&preadwritelock); |
702 | LOCK (preadwritelock); |
633 | ooffset = lseek (fd, 0, SEEK_CUR); |
703 | ooffset = lseek (fd, 0, SEEK_CUR); |
634 | lseek (fd, offset, SEEK_SET); |
704 | lseek (fd, offset, SEEK_SET); |
635 | res = write (fd, buf, count); |
705 | res = write (fd, buf, count); |
636 | lseek (fd, offset, SEEK_SET); |
706 | lseek (fd, offset, SEEK_SET); |
637 | pthread_mutex_unlock (&preadwritelock); |
707 | UNLOCK (preadwritelock); |
638 | |
708 | |
639 | return res; |
709 | return res; |
640 | } |
710 | } |
641 | #endif |
711 | #endif |
642 | |
712 | |
… | |
… | |
658 | pread (fd, aio_buf, len, offset); |
728 | pread (fd, aio_buf, len, offset); |
659 | offset += len; |
729 | offset += len; |
660 | count -= len; |
730 | count -= len; |
661 | } |
731 | } |
662 | |
732 | |
663 | fBUF; |
|
|
664 | |
|
|
665 | errno = 0; |
733 | errno = 0; |
666 | } |
734 | } |
667 | #endif |
735 | #endif |
668 | |
736 | |
669 | #if !HAVE_READDIR_R |
737 | #if !HAVE_READDIR_R |
… | |
… | |
674 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
742 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
675 | { |
743 | { |
676 | struct dirent *e; |
744 | struct dirent *e; |
677 | int errorno; |
745 | int errorno; |
678 | |
746 | |
679 | pthread_mutex_lock (&readdirlock); |
747 | LOCK (readdirlock); |
680 | |
748 | |
681 | e = readdir (dirp); |
749 | e = readdir (dirp); |
682 | errorno = errno; |
750 | errorno = errno; |
683 | |
751 | |
684 | if (e) |
752 | if (e) |
… | |
… | |
687 | strcpy (ent->d_name, e->d_name); |
755 | strcpy (ent->d_name, e->d_name); |
688 | } |
756 | } |
689 | else |
757 | else |
690 | *res = 0; |
758 | *res = 0; |
691 | |
759 | |
692 | pthread_mutex_unlock (&readdirlock); |
760 | UNLOCK (readdirlock); |
693 | |
761 | |
694 | errno = errorno; |
762 | errno = errorno; |
695 | return e ? 0 : -1; |
763 | return e ? 0 : -1; |
696 | } |
764 | } |
697 | #endif |
765 | #endif |
698 | |
766 | |
699 | /* sendfile always needs emulation */ |
767 | /* sendfile always needs emulation */ |
700 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
768 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
701 | { |
769 | { |
702 | ssize_t res; |
770 | ssize_t res; |
703 | |
771 | |
704 | if (!count) |
772 | if (!count) |
705 | return 0; |
773 | return 0; |
… | |
… | |
782 | |
850 | |
783 | offset += cnt; |
851 | offset += cnt; |
784 | res += cnt; |
852 | res += cnt; |
785 | count -= cnt; |
853 | count -= cnt; |
786 | } |
854 | } |
787 | |
|
|
788 | fBUF; |
|
|
789 | } |
855 | } |
790 | |
856 | |
791 | return res; |
857 | return res; |
792 | } |
858 | } |
793 | |
859 | |
794 | /* read a full directory */ |
860 | /* read a full directory */ |
795 | static int scandir_ (const char *path, void **namesp) |
861 | static void scandir_ (aio_req req, worker *self) |
796 | { |
862 | { |
797 | DIR *dirp; |
863 | DIR *dirp; |
798 | union |
864 | union |
799 | { |
865 | { |
800 | struct dirent d; |
866 | struct dirent d; |
… | |
… | |
805 | int memlen = 4096; |
871 | int memlen = 4096; |
806 | int memofs = 0; |
872 | int memofs = 0; |
807 | int res = 0; |
873 | int res = 0; |
808 | int errorno; |
874 | int errorno; |
809 | |
875 | |
810 | dirp = opendir (path); |
876 | LOCK (wrklock); |
811 | if (!dirp) |
877 | self->dirp = dirp = opendir (req->dataptr); |
812 | return -1; |
|
|
813 | |
|
|
814 | u = malloc (sizeof (*u)); |
878 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
879 | UNLOCK (wrklock); |
|
|
880 | |
815 | names = malloc (memlen); |
881 | req->data2ptr = names = malloc (memlen); |
816 | |
882 | |
817 | if (u && names) |
883 | if (dirp && u && names) |
818 | for (;;) |
884 | for (;;) |
819 | { |
885 | { |
820 | errno = 0; |
886 | errno = 0; |
821 | readdir_r (dirp, &u->d, &entp); |
887 | readdir_r (dirp, &u->d, &entp); |
822 | |
888 | |
… | |
… | |
832 | res++; |
898 | res++; |
833 | |
899 | |
834 | while (memofs + len > memlen) |
900 | while (memofs + len > memlen) |
835 | { |
901 | { |
836 | memlen *= 2; |
902 | memlen *= 2; |
|
|
903 | LOCK (wrklock); |
837 | names = realloc (names, memlen); |
904 | req->data2ptr = names = realloc (names, memlen); |
|
|
905 | UNLOCK (wrklock); |
|
|
906 | |
838 | if (!names) |
907 | if (!names) |
839 | break; |
908 | break; |
840 | } |
909 | } |
841 | |
910 | |
842 | memcpy (names + memofs, name, len); |
911 | memcpy (names + memofs, name, len); |
843 | memofs += len; |
912 | memofs += len; |
844 | } |
913 | } |
845 | } |
914 | } |
846 | |
915 | |
847 | errorno = errno; |
|
|
848 | free (u); |
|
|
849 | closedir (dirp); |
|
|
850 | |
|
|
851 | if (errorno) |
916 | if (errno) |
852 | { |
|
|
853 | free (names); |
|
|
854 | errno = errorno; |
|
|
855 | res = -1; |
917 | res = -1; |
856 | } |
918 | |
857 | |
919 | req->result = res; |
858 | *namesp = (void *)names; |
|
|
859 | return res; |
|
|
860 | } |
920 | } |
861 | |
921 | |
862 | /*****************************************************************************/ |
922 | /*****************************************************************************/ |
863 | |
923 | |
864 | static void *aio_proc (void *thr_arg) |
924 | static void *aio_proc (void *thr_arg) |
865 | { |
925 | { |
866 | aio_req req; |
926 | aio_req req; |
867 | int type; |
927 | int type; |
|
|
928 | worker *self = (worker *)thr_arg; |
868 | |
929 | |
869 | do |
930 | do |
870 | { |
931 | { |
871 | pthread_mutex_lock (&reqlock); |
932 | LOCK (reqlock); |
872 | |
933 | |
873 | for (;;) |
934 | for (;;) |
874 | { |
935 | { |
875 | req = reqq_shift (&req_queue); |
936 | self->req = req = reqq_shift (&req_queue); |
876 | |
937 | |
877 | if (req) |
938 | if (req) |
878 | break; |
939 | break; |
879 | |
940 | |
880 | pthread_cond_wait (&reqwait, &reqlock); |
941 | pthread_cond_wait (&reqwait, &reqlock); |
881 | } |
942 | } |
882 | |
943 | |
883 | pthread_mutex_unlock (&reqlock); |
944 | UNLOCK (reqlock); |
884 | |
945 | |
885 | errno = 0; /* strictly unnecessary */ |
946 | errno = 0; /* strictly unnecessary */ |
886 | type = req->type; /* remember type for QUIT check */ |
947 | type = req->type; /* remember type for QUIT check */ |
887 | |
948 | |
888 | if (!(req->flags & FLAG_CANCELLED)) |
949 | if (!(req->flags & FLAG_CANCELLED)) |
… | |
… | |
890 | { |
951 | { |
891 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
952 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
892 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
953 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
893 | |
954 | |
894 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
955 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
895 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length); break; |
956 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
896 | |
957 | |
897 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
958 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
898 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
959 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
899 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
960 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
900 | |
961 | |
… | |
… | |
906 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
967 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
907 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
968 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
908 | |
969 | |
909 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
970 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
910 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
971 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
911 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
972 | case REQ_READDIR: scandir_ (req, self); break; |
912 | |
973 | |
913 | case REQ_BUSY: |
974 | case REQ_BUSY: |
914 | { |
975 | { |
915 | struct timeval tv; |
976 | struct timeval tv; |
916 | |
977 | |
… | |
… | |
930 | break; |
991 | break; |
931 | } |
992 | } |
932 | |
993 | |
933 | req->errorno = errno; |
994 | req->errorno = errno; |
934 | |
995 | |
935 | pthread_mutex_lock (&reslock); |
996 | LOCK (reslock); |
936 | |
997 | |
937 | if (!reqq_push (&res_queue, req)) |
998 | if (!reqq_push (&res_queue, req)) |
938 | /* write a dummy byte to the pipe so fh becomes ready */ |
999 | /* write a dummy byte to the pipe so fh becomes ready */ |
939 | write (respipe [1], &respipe, 1); |
1000 | write (respipe [1], &respipe, 1); |
940 | |
1001 | |
941 | pthread_mutex_unlock (&reslock); |
1002 | self->req = 0; |
|
|
1003 | worker_clear (self); |
|
|
1004 | |
|
|
1005 | UNLOCK (reslock); |
942 | } |
1006 | } |
943 | while (type != REQ_QUIT); |
1007 | while (type != REQ_QUIT); |
944 | |
1008 | |
|
|
1009 | LOCK (wrklock); |
|
|
1010 | worker_free (self); |
|
|
1011 | UNLOCK (wrklock); |
|
|
1012 | |
945 | return 0; |
1013 | return 0; |
946 | } |
1014 | } |
947 | |
1015 | |
948 | /*****************************************************************************/ |
1016 | /*****************************************************************************/ |
949 | |
1017 | |
950 | static void atfork_prepare (void) |
1018 | static void atfork_prepare (void) |
951 | { |
1019 | { |
952 | pthread_mutex_lock (&reqlock); |
1020 | LOCK (wrklock); |
953 | pthread_mutex_lock (&reslock); |
1021 | LOCK (reqlock); |
|
|
1022 | LOCK (reslock); |
954 | #if !HAVE_PREADWRITE |
1023 | #if !HAVE_PREADWRITE |
955 | pthread_mutex_lock (&preadwritelock); |
1024 | LOCK (preadwritelock); |
956 | #endif |
1025 | #endif |
957 | #if !HAVE_READDIR_R |
1026 | #if !HAVE_READDIR_R |
958 | pthread_mutex_lock (&readdirlock); |
1027 | LOCK (readdirlock); |
959 | #endif |
1028 | #endif |
960 | } |
1029 | } |
961 | |
1030 | |
962 | static void atfork_parent (void) |
1031 | static void atfork_parent (void) |
963 | { |
1032 | { |
964 | #if !HAVE_READDIR_R |
1033 | #if !HAVE_READDIR_R |
965 | pthread_mutex_unlock (&readdirlock); |
1034 | UNLOCK (readdirlock); |
966 | #endif |
1035 | #endif |
967 | #if !HAVE_PREADWRITE |
1036 | #if !HAVE_PREADWRITE |
968 | pthread_mutex_unlock (&preadwritelock); |
1037 | UNLOCK (preadwritelock); |
969 | #endif |
1038 | #endif |
970 | pthread_mutex_unlock (&reslock); |
1039 | UNLOCK (reslock); |
971 | pthread_mutex_unlock (&reqlock); |
1040 | UNLOCK (reqlock); |
|
|
1041 | UNLOCK (wrklock); |
972 | } |
1042 | } |
973 | |
1043 | |
974 | static void atfork_child (void) |
1044 | static void atfork_child (void) |
975 | { |
1045 | { |
976 | aio_req prv; |
1046 | aio_req prv; |
977 | |
|
|
978 | started = 0; |
|
|
979 | |
1047 | |
980 | while (prv = reqq_shift (&req_queue)) |
1048 | while (prv = reqq_shift (&req_queue)) |
981 | req_free (prv); |
1049 | req_free (prv); |
982 | |
1050 | |
983 | while (prv = reqq_shift (&res_queue)) |
1051 | while (prv = reqq_shift (&res_queue)) |
984 | req_free (prv); |
1052 | req_free (prv); |
985 | |
1053 | |
|
|
1054 | while (wrk_first.next != &wrk_first) |
|
|
1055 | { |
|
|
1056 | worker *wrk = wrk_first.next; |
|
|
1057 | |
|
|
1058 | if (wrk->req) |
|
|
1059 | req_free (wrk->req); |
|
|
1060 | |
|
|
1061 | worker_clear (wrk); |
|
|
1062 | worker_free (wrk); |
|
|
1063 | } |
|
|
1064 | |
|
|
1065 | started = 0; |
|
|
1066 | nreqs = 0; |
|
|
1067 | |
986 | close (respipe [0]); |
1068 | close (respipe [0]); |
987 | close (respipe [1]); |
1069 | close (respipe [1]); |
988 | create_pipe (); |
1070 | create_pipe (); |
989 | |
1071 | |
990 | atfork_parent (); |
1072 | atfork_parent (); |
… | |
… | |
1422 | } |
1504 | } |
1423 | } |
1505 | } |
1424 | } |
1506 | } |
1425 | |
1507 | |
1426 | void |
1508 | void |
|
|
1509 | cancel_subs (aio_req_ornot req) |
|
|
1510 | CODE: |
|
|
1511 | req_cancel_subs (req); |
|
|
1512 | |
|
|
1513 | void |
1427 | result (aio_req grp, ...) |
1514 | result (aio_req grp, ...) |
1428 | CODE: |
1515 | CODE: |
1429 | { |
1516 | { |
1430 | int i; |
1517 | int i; |
1431 | AV *av = newAV (); |
1518 | AV *av = newAV (); |