… | |
… | |
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 | /* |
… | |
… | |
274 | fd_set rfd; |
318 | fd_set rfd; |
275 | |
319 | |
276 | while (nreqs) |
320 | while (nreqs) |
277 | { |
321 | { |
278 | int size; |
322 | int size; |
279 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
323 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
280 | pthread_mutex_lock (&reslock); |
324 | LOCK (reslock); |
281 | #endif |
325 | #endif |
282 | size = res_queue.size; |
326 | size = res_queue.size; |
283 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
327 | #if !(__i386 || __x86_64) /* safe without sempahore on these archs */ |
284 | pthread_mutex_unlock (&reslock); |
328 | UNLOCK (reslock); |
285 | #endif |
329 | #endif |
286 | |
330 | |
287 | if (size) |
331 | if (size) |
288 | return; |
332 | return; |
289 | |
333 | |
… | |
… | |
313 | { |
357 | { |
314 | SV *rv = &PL_sv_undef; |
358 | SV *rv = &PL_sv_undef; |
315 | |
359 | |
316 | if (req->result >= 0) |
360 | if (req->result >= 0) |
317 | { |
361 | { |
|
|
362 | int i; |
318 | char *buf = req->data2ptr; |
363 | char *buf = req->data2ptr; |
319 | AV *av = newAV (); |
364 | AV *av = newAV (); |
320 | |
365 | |
321 | while (req->result) |
366 | av_extend (av, req->result - 1); |
|
|
367 | |
|
|
368 | for (i = 0; i < req->result; ++i) |
322 | { |
369 | { |
323 | SV *sv = newSVpv (buf, 0); |
370 | SV *sv = newSVpv (buf, 0); |
324 | |
371 | |
325 | av_push (av, sv); |
372 | av_store (av, i, sv); |
326 | buf += SvCUR (sv) + 1; |
373 | buf += SvCUR (sv) + 1; |
327 | req->result--; |
|
|
328 | } |
374 | } |
329 | |
375 | |
330 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
376 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
331 | } |
377 | } |
332 | |
378 | |
… | |
… | |
416 | SvREFCNT_dec (req->fh); |
462 | SvREFCNT_dec (req->fh); |
417 | SvREFCNT_dec (req->fh2); |
463 | SvREFCNT_dec (req->fh2); |
418 | SvREFCNT_dec (req->callback); |
464 | SvREFCNT_dec (req->callback); |
419 | Safefree (req->statdata); |
465 | Safefree (req->statdata); |
420 | |
466 | |
421 | if (req->type == REQ_READDIR && req->result >= 0) |
467 | if (req->type == REQ_READDIR) |
422 | free (req->data2ptr); |
468 | free (req->data2ptr); |
423 | |
469 | |
424 | Safefree (req); |
470 | Safefree (req); |
425 | } |
471 | } |
426 | |
472 | |
… | |
… | |
444 | int do_croak = 0; |
490 | int do_croak = 0; |
445 | aio_req req; |
491 | aio_req req; |
446 | |
492 | |
447 | for (;;) |
493 | for (;;) |
448 | { |
494 | { |
449 | pthread_mutex_lock (&reslock); |
495 | LOCK (reslock); |
450 | req = reqq_shift (&res_queue); |
496 | req = reqq_shift (&res_queue); |
451 | |
497 | |
452 | if (req) |
498 | if (req) |
453 | { |
499 | { |
454 | if (!res_queue.size) |
500 | if (!res_queue.size) |
… | |
… | |
458 | while (read (respipe [0], buf, 32) == 32) |
504 | while (read (respipe [0], buf, 32) == 32) |
459 | ; |
505 | ; |
460 | } |
506 | } |
461 | } |
507 | } |
462 | |
508 | |
463 | pthread_mutex_unlock (&reslock); |
509 | UNLOCK (reslock); |
464 | |
510 | |
465 | if (!req) |
511 | if (!req) |
466 | break; |
512 | break; |
467 | |
513 | |
468 | --nreqs; |
514 | --nreqs; |
… | |
… | |
502 | |
548 | |
503 | static void *aio_proc(void *arg); |
549 | static void *aio_proc(void *arg); |
504 | |
550 | |
505 | static void start_thread (void) |
551 | static void start_thread (void) |
506 | { |
552 | { |
|
|
553 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
554 | |
|
|
555 | if (!wrk) |
|
|
556 | croak ("unable to allocate worker thread data"); |
|
|
557 | |
507 | sigset_t fullsigset, oldsigset; |
558 | sigset_t fullsigset, oldsigset; |
508 | pthread_t tid; |
|
|
509 | pthread_attr_t attr; |
559 | pthread_attr_t attr; |
510 | |
560 | |
511 | pthread_attr_init (&attr); |
561 | pthread_attr_init (&attr); |
512 | pthread_attr_setstacksize (&attr, STACKSIZE); |
562 | pthread_attr_setstacksize (&attr, STACKSIZE); |
513 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
563 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
514 | |
564 | |
515 | sigfillset (&fullsigset); |
565 | sigfillset (&fullsigset); |
|
|
566 | |
|
|
567 | LOCK (wrklock); |
516 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
568 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
517 | |
569 | |
518 | if (pthread_create (&tid, &attr, aio_proc, 0) == 0) |
570 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
571 | { |
|
|
572 | wrk->prev = &wrk_first; |
|
|
573 | wrk->next = wrk_first.next; |
|
|
574 | wrk_first.next->prev = wrk; |
|
|
575 | wrk_first.next = wrk; |
519 | started++; |
576 | started++; |
|
|
577 | } |
|
|
578 | else |
|
|
579 | free (wrk); |
520 | |
580 | |
521 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
581 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
582 | UNLOCK (wrklock); |
522 | } |
583 | } |
523 | |
584 | |
524 | static void req_send (aio_req req) |
585 | static void req_send (aio_req req) |
525 | { |
586 | { |
526 | while (started < wanted && nreqs >= started) |
587 | while (started < wanted && nreqs >= started) |
527 | start_thread (); |
588 | start_thread (); |
528 | |
589 | |
529 | ++nreqs; |
590 | ++nreqs; |
530 | |
591 | |
531 | pthread_mutex_lock (&reqlock); |
592 | LOCK (reqlock); |
532 | reqq_push (&req_queue, req); |
593 | reqq_push (&req_queue, req); |
533 | pthread_cond_signal (&reqwait); |
594 | pthread_cond_signal (&reqwait); |
534 | pthread_mutex_unlock (&reqlock); |
595 | UNLOCK (reqlock); |
535 | |
596 | |
536 | if (nreqs > max_outstanding) |
597 | if (nreqs > max_outstanding) |
537 | for (;;) |
598 | for (;;) |
538 | { |
599 | { |
539 | poll_cb (); |
600 | poll_cb (); |
… | |
… | |
612 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
673 | static ssize_t pread (int fd, void *buf, size_t count, off_t offset) |
613 | { |
674 | { |
614 | ssize_t res; |
675 | ssize_t res; |
615 | off_t ooffset; |
676 | off_t ooffset; |
616 | |
677 | |
617 | pthread_mutex_lock (&preadwritelock); |
678 | LOCK (preadwritelock); |
618 | ooffset = lseek (fd, 0, SEEK_CUR); |
679 | ooffset = lseek (fd, 0, SEEK_CUR); |
619 | lseek (fd, offset, SEEK_SET); |
680 | lseek (fd, offset, SEEK_SET); |
620 | res = read (fd, buf, count); |
681 | res = read (fd, buf, count); |
621 | lseek (fd, ooffset, SEEK_SET); |
682 | lseek (fd, ooffset, SEEK_SET); |
622 | pthread_mutex_unlock (&preadwritelock); |
683 | UNLOCK (preadwritelock); |
623 | |
684 | |
624 | return res; |
685 | return res; |
625 | } |
686 | } |
626 | |
687 | |
627 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
688 | static ssize_t pwrite (int fd, void *buf, size_t count, off_t offset) |
628 | { |
689 | { |
629 | ssize_t res; |
690 | ssize_t res; |
630 | off_t ooffset; |
691 | off_t ooffset; |
631 | |
692 | |
632 | pthread_mutex_lock (&preadwritelock); |
693 | LOCK (preadwritelock); |
633 | ooffset = lseek (fd, 0, SEEK_CUR); |
694 | ooffset = lseek (fd, 0, SEEK_CUR); |
634 | lseek (fd, offset, SEEK_SET); |
695 | lseek (fd, offset, SEEK_SET); |
635 | res = write (fd, buf, count); |
696 | res = write (fd, buf, count); |
636 | lseek (fd, offset, SEEK_SET); |
697 | lseek (fd, offset, SEEK_SET); |
637 | pthread_mutex_unlock (&preadwritelock); |
698 | UNLOCK (preadwritelock); |
638 | |
699 | |
639 | return res; |
700 | return res; |
640 | } |
701 | } |
641 | #endif |
702 | #endif |
642 | |
703 | |
… | |
… | |
658 | pread (fd, aio_buf, len, offset); |
719 | pread (fd, aio_buf, len, offset); |
659 | offset += len; |
720 | offset += len; |
660 | count -= len; |
721 | count -= len; |
661 | } |
722 | } |
662 | |
723 | |
663 | fBUF; |
|
|
664 | |
|
|
665 | errno = 0; |
724 | errno = 0; |
666 | } |
725 | } |
667 | #endif |
726 | #endif |
668 | |
727 | |
669 | #if !HAVE_READDIR_R |
728 | #if !HAVE_READDIR_R |
… | |
… | |
674 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
733 | static int readdir_r (DIR *dirp, struct dirent *ent, struct dirent **res) |
675 | { |
734 | { |
676 | struct dirent *e; |
735 | struct dirent *e; |
677 | int errorno; |
736 | int errorno; |
678 | |
737 | |
679 | pthread_mutex_lock (&readdirlock); |
738 | LOCK (readdirlock); |
680 | |
739 | |
681 | e = readdir (dirp); |
740 | e = readdir (dirp); |
682 | errorno = errno; |
741 | errorno = errno; |
683 | |
742 | |
684 | if (e) |
743 | if (e) |
… | |
… | |
687 | strcpy (ent->d_name, e->d_name); |
746 | strcpy (ent->d_name, e->d_name); |
688 | } |
747 | } |
689 | else |
748 | else |
690 | *res = 0; |
749 | *res = 0; |
691 | |
750 | |
692 | pthread_mutex_unlock (&readdirlock); |
751 | UNLOCK (readdirlock); |
693 | |
752 | |
694 | errno = errorno; |
753 | errno = errorno; |
695 | return e ? 0 : -1; |
754 | return e ? 0 : -1; |
696 | } |
755 | } |
697 | #endif |
756 | #endif |
698 | |
757 | |
699 | /* sendfile always needs emulation */ |
758 | /* sendfile always needs emulation */ |
700 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count) |
759 | static ssize_t sendfile_ (int ofd, int ifd, off_t offset, size_t count, worker *self) |
701 | { |
760 | { |
702 | ssize_t res; |
761 | ssize_t res; |
703 | |
762 | |
704 | if (!count) |
763 | if (!count) |
705 | return 0; |
764 | return 0; |
… | |
… | |
782 | |
841 | |
783 | offset += cnt; |
842 | offset += cnt; |
784 | res += cnt; |
843 | res += cnt; |
785 | count -= cnt; |
844 | count -= cnt; |
786 | } |
845 | } |
787 | |
|
|
788 | fBUF; |
|
|
789 | } |
846 | } |
790 | |
847 | |
791 | return res; |
848 | return res; |
792 | } |
849 | } |
793 | |
850 | |
794 | /* read a full directory */ |
851 | /* read a full directory */ |
795 | static int scandir_ (const char *path, void **namesp) |
852 | static void scandir_ (aio_req req, worker *self) |
796 | { |
853 | { |
797 | DIR *dirp; |
854 | DIR *dirp; |
798 | union |
855 | union |
799 | { |
856 | { |
800 | struct dirent d; |
857 | struct dirent d; |
… | |
… | |
805 | int memlen = 4096; |
862 | int memlen = 4096; |
806 | int memofs = 0; |
863 | int memofs = 0; |
807 | int res = 0; |
864 | int res = 0; |
808 | int errorno; |
865 | int errorno; |
809 | |
866 | |
810 | dirp = opendir (path); |
867 | LOCK (wrklock); |
811 | if (!dirp) |
868 | self->dirp = dirp = opendir (req->dataptr); |
812 | return -1; |
|
|
813 | |
|
|
814 | u = malloc (sizeof (*u)); |
869 | self->dbuf = u = malloc (sizeof (*u)); |
|
|
870 | UNLOCK (wrklock); |
|
|
871 | |
815 | names = malloc (memlen); |
872 | req->data2ptr = names = malloc (memlen); |
816 | |
873 | |
817 | if (u && names) |
874 | if (dirp && u && names) |
818 | for (;;) |
875 | for (;;) |
819 | { |
876 | { |
820 | errno = 0; |
877 | errno = 0; |
821 | readdir_r (dirp, &u->d, &entp); |
878 | readdir_r (dirp, &u->d, &entp); |
822 | |
879 | |
… | |
… | |
832 | res++; |
889 | res++; |
833 | |
890 | |
834 | while (memofs + len > memlen) |
891 | while (memofs + len > memlen) |
835 | { |
892 | { |
836 | memlen *= 2; |
893 | memlen *= 2; |
|
|
894 | LOCK (wrklock); |
837 | names = realloc (names, memlen); |
895 | req->data2ptr = names = realloc (names, memlen); |
|
|
896 | UNLOCK (wrklock); |
|
|
897 | |
838 | if (!names) |
898 | if (!names) |
839 | break; |
899 | break; |
840 | } |
900 | } |
841 | |
901 | |
842 | memcpy (names + memofs, name, len); |
902 | memcpy (names + memofs, name, len); |
843 | memofs += len; |
903 | memofs += len; |
844 | } |
904 | } |
845 | } |
905 | } |
846 | |
906 | |
847 | errorno = errno; |
|
|
848 | free (u); |
|
|
849 | closedir (dirp); |
|
|
850 | |
|
|
851 | if (errorno) |
907 | if (errno) |
852 | { |
|
|
853 | free (names); |
|
|
854 | errno = errorno; |
|
|
855 | res = -1; |
908 | res = -1; |
856 | } |
909 | |
857 | |
910 | req->result = res; |
858 | *namesp = (void *)names; |
|
|
859 | return res; |
|
|
860 | } |
911 | } |
861 | |
912 | |
862 | /*****************************************************************************/ |
913 | /*****************************************************************************/ |
863 | |
914 | |
864 | static void *aio_proc (void *thr_arg) |
915 | static void *aio_proc (void *thr_arg) |
865 | { |
916 | { |
866 | aio_req req; |
917 | aio_req req; |
867 | int type; |
918 | int type; |
|
|
919 | worker *self = (worker *)thr_arg; |
868 | |
920 | |
869 | do |
921 | do |
870 | { |
922 | { |
871 | pthread_mutex_lock (&reqlock); |
923 | LOCK (reqlock); |
872 | |
924 | |
873 | for (;;) |
925 | for (;;) |
874 | { |
926 | { |
875 | req = reqq_shift (&req_queue); |
927 | self->req = req = reqq_shift (&req_queue); |
876 | |
928 | |
877 | if (req) |
929 | if (req) |
878 | break; |
930 | break; |
879 | |
931 | |
880 | pthread_cond_wait (&reqwait, &reqlock); |
932 | pthread_cond_wait (&reqwait, &reqlock); |
881 | } |
933 | } |
882 | |
934 | |
883 | pthread_mutex_unlock (&reqlock); |
935 | UNLOCK (reqlock); |
884 | |
936 | |
885 | errno = 0; /* strictly unnecessary */ |
937 | errno = 0; /* strictly unnecessary */ |
886 | type = req->type; /* remember type for QUIT check */ |
938 | type = req->type; /* remember type for QUIT check */ |
887 | |
939 | |
888 | if (!(req->flags & FLAG_CANCELLED)) |
940 | if (!(req->flags & FLAG_CANCELLED)) |
… | |
… | |
890 | { |
942 | { |
891 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
943 | 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; |
944 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
893 | |
945 | |
894 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
946 | 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; |
947 | case REQ_SENDFILE: req->result = sendfile_ (req->fd, req->fd2, req->offset, req->length, self); break; |
896 | |
948 | |
897 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
949 | case REQ_STAT: req->result = stat (req->dataptr, req->statdata); break; |
898 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
950 | case REQ_LSTAT: req->result = lstat (req->dataptr, req->statdata); break; |
899 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
951 | case REQ_FSTAT: req->result = fstat (req->fd , req->statdata); break; |
900 | |
952 | |
… | |
… | |
906 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
958 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
907 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
959 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
908 | |
960 | |
909 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
961 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
910 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
962 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
911 | case REQ_READDIR: req->result = scandir_ (req->dataptr, &req->data2ptr); break; |
963 | case REQ_READDIR: scandir_ (req, self); break; |
912 | |
964 | |
913 | case REQ_BUSY: |
965 | case REQ_BUSY: |
914 | { |
966 | { |
915 | struct timeval tv; |
967 | struct timeval tv; |
916 | |
968 | |
… | |
… | |
930 | break; |
982 | break; |
931 | } |
983 | } |
932 | |
984 | |
933 | req->errorno = errno; |
985 | req->errorno = errno; |
934 | |
986 | |
935 | pthread_mutex_lock (&reslock); |
987 | LOCK (reslock); |
936 | |
988 | |
937 | if (!reqq_push (&res_queue, req)) |
989 | if (!reqq_push (&res_queue, req)) |
938 | /* write a dummy byte to the pipe so fh becomes ready */ |
990 | /* write a dummy byte to the pipe so fh becomes ready */ |
939 | write (respipe [1], &respipe, 1); |
991 | write (respipe [1], &respipe, 1); |
940 | |
992 | |
941 | pthread_mutex_unlock (&reslock); |
993 | self->req = 0; |
|
|
994 | worker_clear (self); |
|
|
995 | |
|
|
996 | UNLOCK (reslock); |
942 | } |
997 | } |
943 | while (type != REQ_QUIT); |
998 | while (type != REQ_QUIT); |
944 | |
999 | |
|
|
1000 | LOCK (wrklock); |
|
|
1001 | worker_free (self); |
|
|
1002 | UNLOCK (wrklock); |
|
|
1003 | |
945 | return 0; |
1004 | return 0; |
946 | } |
1005 | } |
947 | |
1006 | |
948 | /*****************************************************************************/ |
1007 | /*****************************************************************************/ |
949 | |
1008 | |
950 | static void atfork_prepare (void) |
1009 | static void atfork_prepare (void) |
951 | { |
1010 | { |
952 | pthread_mutex_lock (&reqlock); |
1011 | LOCK (wrklock); |
953 | pthread_mutex_lock (&reslock); |
1012 | LOCK (reqlock); |
|
|
1013 | LOCK (reslock); |
954 | #if !HAVE_PREADWRITE |
1014 | #if !HAVE_PREADWRITE |
955 | pthread_mutex_lock (&preadwritelock); |
1015 | LOCK (preadwritelock); |
956 | #endif |
1016 | #endif |
957 | #if !HAVE_READDIR_R |
1017 | #if !HAVE_READDIR_R |
958 | pthread_mutex_lock (&readdirlock); |
1018 | LOCK (readdirlock); |
959 | #endif |
1019 | #endif |
960 | } |
1020 | } |
961 | |
1021 | |
962 | static void atfork_parent (void) |
1022 | static void atfork_parent (void) |
963 | { |
1023 | { |
964 | #if !HAVE_READDIR_R |
1024 | #if !HAVE_READDIR_R |
965 | pthread_mutex_unlock (&readdirlock); |
1025 | UNLOCK (readdirlock); |
966 | #endif |
1026 | #endif |
967 | #if !HAVE_PREADWRITE |
1027 | #if !HAVE_PREADWRITE |
968 | pthread_mutex_unlock (&preadwritelock); |
1028 | UNLOCK (preadwritelock); |
969 | #endif |
1029 | #endif |
970 | pthread_mutex_unlock (&reslock); |
1030 | UNLOCK (reslock); |
971 | pthread_mutex_unlock (&reqlock); |
1031 | UNLOCK (reqlock); |
|
|
1032 | UNLOCK (wrklock); |
972 | } |
1033 | } |
973 | |
1034 | |
974 | static void atfork_child (void) |
1035 | static void atfork_child (void) |
975 | { |
1036 | { |
976 | aio_req prv; |
1037 | aio_req prv; |
977 | |
|
|
978 | started = 0; |
|
|
979 | |
1038 | |
980 | while (prv = reqq_shift (&req_queue)) |
1039 | while (prv = reqq_shift (&req_queue)) |
981 | req_free (prv); |
1040 | req_free (prv); |
982 | |
1041 | |
983 | while (prv = reqq_shift (&res_queue)) |
1042 | while (prv = reqq_shift (&res_queue)) |
984 | req_free (prv); |
1043 | req_free (prv); |
985 | |
1044 | |
|
|
1045 | while (wrk_first.next != &wrk_first) |
|
|
1046 | { |
|
|
1047 | worker *wrk = wrk_first.next; |
|
|
1048 | |
|
|
1049 | if (wrk->req) |
|
|
1050 | req_free (wrk->req); |
|
|
1051 | |
|
|
1052 | worker_clear (wrk); |
|
|
1053 | worker_free (wrk); |
|
|
1054 | } |
|
|
1055 | |
|
|
1056 | started = 0; |
|
|
1057 | nreqs = 0; |
|
|
1058 | |
986 | close (respipe [0]); |
1059 | close (respipe [0]); |
987 | close (respipe [1]); |
1060 | close (respipe [1]); |
988 | create_pipe (); |
1061 | create_pipe (); |
989 | |
1062 | |
990 | atfork_parent (); |
1063 | atfork_parent (); |