… | |
… | |
43 | # else |
43 | # else |
44 | # error sendfile support requested but not available |
44 | # error sendfile support requested but not available |
45 | # endif |
45 | # endif |
46 | #endif |
46 | #endif |
47 | |
47 | |
|
|
48 | /* number of seconds after which idle threads exit */ |
|
|
49 | #define IDLE_TIMEOUT 10 |
|
|
50 | |
48 | /* used for struct dirent, AIX doesn't provide it */ |
51 | /* used for struct dirent, AIX doesn't provide it */ |
49 | #ifndef NAME_MAX |
52 | #ifndef NAME_MAX |
50 | # define NAME_MAX 4096 |
53 | # define NAME_MAX 4096 |
51 | #endif |
54 | #endif |
52 | |
55 | |
… | |
… | |
92 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
95 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
93 | REQ_SENDFILE, |
96 | REQ_SENDFILE, |
94 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
97 | REQ_STAT, REQ_LSTAT, REQ_FSTAT, |
95 | REQ_FSYNC, REQ_FDATASYNC, |
98 | REQ_FSYNC, REQ_FDATASYNC, |
96 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
99 | REQ_UNLINK, REQ_RMDIR, REQ_RENAME, |
97 | REQ_READDIR, |
100 | REQ_MKNOD, REQ_READDIR, |
98 | REQ_LINK, REQ_SYMLINK, |
101 | REQ_LINK, REQ_SYMLINK, |
99 | REQ_GROUP, REQ_NOP, |
102 | REQ_GROUP, REQ_NOP, |
100 | REQ_BUSY, |
103 | REQ_BUSY, |
101 | }; |
104 | }; |
102 | |
105 | |
… | |
… | |
144 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
147 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
145 | }; |
148 | }; |
146 | |
149 | |
147 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
150 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
148 | |
151 | |
149 | static unsigned int started, wanted; |
152 | static unsigned int started, idle, wanted; |
150 | static volatile unsigned int nreqs, nready, npending; |
|
|
151 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
152 | static int respipe [2]; |
|
|
153 | |
153 | |
154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
154 | #if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
155 | # define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
156 | #else |
156 | #else |
157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
157 | # define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
… | |
… | |
198 | wrk->prev->next = wrk->next; |
198 | wrk->prev->next = wrk->next; |
199 | |
199 | |
200 | free (wrk); |
200 | free (wrk); |
201 | } |
201 | } |
202 | |
202 | |
|
|
203 | static volatile unsigned int nreqs, nready, npending; |
|
|
204 | static volatile unsigned int max_idle = 4; |
|
|
205 | static volatile unsigned int max_outstanding = 0xffffffff; |
|
|
206 | static int respipe [2]; |
|
|
207 | |
203 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
208 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
204 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
209 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
205 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
210 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
|
|
211 | |
|
|
212 | #if WORDREAD_UNSAFE |
|
|
213 | |
|
|
214 | static unsigned int get_nready () |
|
|
215 | { |
|
|
216 | unsigned int retval; |
|
|
217 | |
|
|
218 | LOCK (reqlock); |
|
|
219 | retval = nready; |
|
|
220 | UNLOCK (reqlock); |
|
|
221 | |
|
|
222 | return retval; |
|
|
223 | } |
|
|
224 | |
|
|
225 | static unsigned int get_npending () |
|
|
226 | { |
|
|
227 | unsigned int retval; |
|
|
228 | |
|
|
229 | LOCK (reslock); |
|
|
230 | retval = npending; |
|
|
231 | UNLOCK (reslock); |
|
|
232 | |
|
|
233 | return retval; |
|
|
234 | } |
|
|
235 | |
|
|
236 | #else |
|
|
237 | |
|
|
238 | # define get_nready() nready |
|
|
239 | # define get_npending() npending |
|
|
240 | |
|
|
241 | #endif |
206 | |
242 | |
207 | /* |
243 | /* |
208 | * a somewhat faster data structure might be nice, but |
244 | * a somewhat faster data structure might be nice, but |
209 | * with 8 priorities this actually needs <20 insns |
245 | * with 8 priorities this actually needs <20 insns |
210 | * per shift, the most expensive operation. |
246 | * per shift, the most expensive operation. |
… | |
… | |
331 | req_invoke (grp); |
367 | req_invoke (grp); |
332 | req_free (grp); |
368 | req_free (grp); |
333 | } |
369 | } |
334 | } |
370 | } |
335 | |
371 | |
336 | static void poll_wait () |
|
|
337 | { |
|
|
338 | fd_set rfd; |
|
|
339 | |
|
|
340 | while (nreqs) |
|
|
341 | { |
|
|
342 | int size; |
|
|
343 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
344 | size = res_queue.size; |
|
|
345 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
|
|
346 | |
|
|
347 | if (size) |
|
|
348 | return; |
|
|
349 | |
|
|
350 | FD_ZERO(&rfd); |
|
|
351 | FD_SET(respipe [0], &rfd); |
|
|
352 | |
|
|
353 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
354 | } |
|
|
355 | } |
|
|
356 | |
|
|
357 | static void req_invoke (aio_req req) |
372 | static void req_invoke (aio_req req) |
358 | { |
373 | { |
359 | dSP; |
374 | dSP; |
360 | |
375 | |
361 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
376 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
… | |
… | |
504 | req->flags |= FLAG_CANCELLED; |
519 | req->flags |= FLAG_CANCELLED; |
505 | |
520 | |
506 | req_cancel_subs (req); |
521 | req_cancel_subs (req); |
507 | } |
522 | } |
508 | |
523 | |
|
|
524 | static void *aio_proc(void *arg); |
|
|
525 | |
|
|
526 | static void start_thread (void) |
|
|
527 | { |
|
|
528 | sigset_t fullsigset, oldsigset; |
|
|
529 | pthread_attr_t attr; |
|
|
530 | |
|
|
531 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
532 | |
|
|
533 | if (!wrk) |
|
|
534 | croak ("unable to allocate worker thread data"); |
|
|
535 | |
|
|
536 | pthread_attr_init (&attr); |
|
|
537 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
538 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
539 | #ifdef PTHREAD_SCOPE_PROCESS |
|
|
540 | pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
|
|
541 | #endif |
|
|
542 | |
|
|
543 | sigfillset (&fullsigset); |
|
|
544 | |
|
|
545 | LOCK (wrklock); |
|
|
546 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
547 | |
|
|
548 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
549 | { |
|
|
550 | wrk->prev = &wrk_first; |
|
|
551 | wrk->next = wrk_first.next; |
|
|
552 | wrk_first.next->prev = wrk; |
|
|
553 | wrk_first.next = wrk; |
|
|
554 | ++started; |
|
|
555 | } |
|
|
556 | else |
|
|
557 | free (wrk); |
|
|
558 | |
|
|
559 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
560 | UNLOCK (wrklock); |
|
|
561 | } |
|
|
562 | |
|
|
563 | static void maybe_start_thread () |
|
|
564 | { |
|
|
565 | if (started >= wanted) |
|
|
566 | return; |
|
|
567 | |
|
|
568 | /* todo: maybe use idle here, but might be less exact */ |
|
|
569 | if ((int)nready <= (int)started - (int)(nreqs - get_nready () - get_npending ())) |
|
|
570 | return; |
|
|
571 | |
|
|
572 | start_thread (); |
|
|
573 | } |
|
|
574 | |
|
|
575 | static void req_send (aio_req req) |
|
|
576 | { |
|
|
577 | ++nreqs; |
|
|
578 | |
|
|
579 | LOCK (reqlock); |
|
|
580 | ++nready; |
|
|
581 | reqq_push (&req_queue, req); |
|
|
582 | pthread_cond_signal (&reqwait); |
|
|
583 | UNLOCK (reqlock); |
|
|
584 | |
|
|
585 | maybe_start_thread (); |
|
|
586 | } |
|
|
587 | |
|
|
588 | static void end_thread (void) |
|
|
589 | { |
|
|
590 | aio_req req; |
|
|
591 | |
|
|
592 | Newz (0, req, 1, aio_cb); |
|
|
593 | |
|
|
594 | req->type = REQ_QUIT; |
|
|
595 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
596 | |
|
|
597 | LOCK (reqlock); |
|
|
598 | reqq_push (&req_queue, req); |
|
|
599 | pthread_cond_signal (&reqwait); |
|
|
600 | UNLOCK (reqlock); |
|
|
601 | |
|
|
602 | LOCK (wrklock); |
|
|
603 | --started; |
|
|
604 | UNLOCK (wrklock); |
|
|
605 | } |
|
|
606 | |
|
|
607 | static void min_parallel (int nthreads) |
|
|
608 | { |
|
|
609 | if (wanted < nthreads) |
|
|
610 | wanted = nthreads; |
|
|
611 | } |
|
|
612 | |
|
|
613 | static void max_parallel (int nthreads) |
|
|
614 | { |
|
|
615 | if (wanted > nthreads) |
|
|
616 | wanted = nthreads; |
|
|
617 | |
|
|
618 | while (started > wanted) |
|
|
619 | end_thread (); |
|
|
620 | } |
|
|
621 | |
|
|
622 | static void poll_wait () |
|
|
623 | { |
|
|
624 | fd_set rfd; |
|
|
625 | |
|
|
626 | while (nreqs) |
|
|
627 | { |
|
|
628 | int size; |
|
|
629 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
630 | size = res_queue.size; |
|
|
631 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
|
|
632 | |
|
|
633 | if (size) |
|
|
634 | return; |
|
|
635 | |
|
|
636 | maybe_start_thread (); |
|
|
637 | |
|
|
638 | FD_ZERO(&rfd); |
|
|
639 | FD_SET(respipe [0], &rfd); |
|
|
640 | |
|
|
641 | select (respipe [0] + 1, &rfd, 0, 0, 0); |
|
|
642 | } |
|
|
643 | } |
|
|
644 | |
509 | static int poll_cb (int max) |
645 | static int poll_cb (int max) |
510 | { |
646 | { |
511 | dSP; |
647 | dSP; |
512 | int count = 0; |
648 | int count = 0; |
513 | int do_croak = 0; |
649 | int do_croak = 0; |
… | |
… | |
515 | |
651 | |
516 | for (;;) |
652 | for (;;) |
517 | { |
653 | { |
518 | while (max <= 0 || count < max) |
654 | while (max <= 0 || count < max) |
519 | { |
655 | { |
|
|
656 | maybe_start_thread (); |
|
|
657 | |
520 | LOCK (reslock); |
658 | LOCK (reslock); |
521 | req = reqq_shift (&res_queue); |
659 | req = reqq_shift (&res_queue); |
522 | |
660 | |
523 | if (req) |
661 | if (req) |
524 | { |
662 | { |
… | |
… | |
538 | if (!req) |
676 | if (!req) |
539 | break; |
677 | break; |
540 | |
678 | |
541 | --nreqs; |
679 | --nreqs; |
542 | |
680 | |
543 | if (req->type == REQ_QUIT) |
|
|
544 | --started; |
|
|
545 | else if (req->type == REQ_GROUP && req->length) |
681 | if (req->type == REQ_GROUP && req->length) |
546 | { |
682 | { |
547 | req->fd = 1; /* mark request as delayed */ |
683 | req->fd = 1; /* mark request as delayed */ |
548 | continue; |
684 | continue; |
549 | } |
685 | } |
550 | else |
686 | else |
… | |
… | |
577 | |
713 | |
578 | max = 0; |
714 | max = 0; |
579 | } |
715 | } |
580 | |
716 | |
581 | return count; |
717 | return count; |
582 | } |
|
|
583 | |
|
|
584 | static void *aio_proc(void *arg); |
|
|
585 | |
|
|
586 | static void start_thread (void) |
|
|
587 | { |
|
|
588 | sigset_t fullsigset, oldsigset; |
|
|
589 | pthread_attr_t attr; |
|
|
590 | |
|
|
591 | worker *wrk = calloc (1, sizeof (worker)); |
|
|
592 | |
|
|
593 | if (!wrk) |
|
|
594 | croak ("unable to allocate worker thread data"); |
|
|
595 | |
|
|
596 | pthread_attr_init (&attr); |
|
|
597 | pthread_attr_setstacksize (&attr, STACKSIZE); |
|
|
598 | pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
|
|
599 | |
|
|
600 | sigfillset (&fullsigset); |
|
|
601 | |
|
|
602 | LOCK (wrklock); |
|
|
603 | sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); |
|
|
604 | |
|
|
605 | if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
|
|
606 | { |
|
|
607 | wrk->prev = &wrk_first; |
|
|
608 | wrk->next = wrk_first.next; |
|
|
609 | wrk_first.next->prev = wrk; |
|
|
610 | wrk_first.next = wrk; |
|
|
611 | ++started; |
|
|
612 | } |
|
|
613 | else |
|
|
614 | free (wrk); |
|
|
615 | |
|
|
616 | sigprocmask (SIG_SETMASK, &oldsigset, 0); |
|
|
617 | UNLOCK (wrklock); |
|
|
618 | } |
|
|
619 | |
|
|
620 | static void req_send (aio_req req) |
|
|
621 | { |
|
|
622 | while (started < wanted && nreqs >= started) |
|
|
623 | start_thread (); |
|
|
624 | |
|
|
625 | ++nreqs; |
|
|
626 | |
|
|
627 | LOCK (reqlock); |
|
|
628 | ++nready; |
|
|
629 | reqq_push (&req_queue, req); |
|
|
630 | pthread_cond_signal (&reqwait); |
|
|
631 | UNLOCK (reqlock); |
|
|
632 | } |
|
|
633 | |
|
|
634 | static void end_thread (void) |
|
|
635 | { |
|
|
636 | aio_req req; |
|
|
637 | |
|
|
638 | Newz (0, req, 1, aio_cb); |
|
|
639 | |
|
|
640 | req->type = REQ_QUIT; |
|
|
641 | req->pri = PRI_MAX + PRI_BIAS; |
|
|
642 | |
|
|
643 | req_send (req); |
|
|
644 | } |
|
|
645 | |
|
|
646 | static void min_parallel (int nthreads) |
|
|
647 | { |
|
|
648 | if (wanted < nthreads) |
|
|
649 | wanted = nthreads; |
|
|
650 | } |
|
|
651 | |
|
|
652 | static void max_parallel (int nthreads) |
|
|
653 | { |
|
|
654 | int cur = started; |
|
|
655 | |
|
|
656 | if (wanted > nthreads) |
|
|
657 | wanted = nthreads; |
|
|
658 | |
|
|
659 | while (cur > wanted) |
|
|
660 | { |
|
|
661 | end_thread (); |
|
|
662 | cur--; |
|
|
663 | } |
|
|
664 | |
|
|
665 | while (started > wanted) |
|
|
666 | { |
|
|
667 | poll_wait (); |
|
|
668 | poll_cb (0); |
|
|
669 | } |
|
|
670 | } |
718 | } |
671 | |
719 | |
672 | static void create_pipe () |
720 | static void create_pipe () |
673 | { |
721 | { |
674 | if (pipe (respipe)) |
722 | if (pipe (respipe)) |
… | |
… | |
938 | /*****************************************************************************/ |
986 | /*****************************************************************************/ |
939 | |
987 | |
940 | static void *aio_proc (void *thr_arg) |
988 | static void *aio_proc (void *thr_arg) |
941 | { |
989 | { |
942 | aio_req req; |
990 | aio_req req; |
943 | int type; |
991 | struct timespec ts; |
944 | worker *self = (worker *)thr_arg; |
992 | worker *self = (worker *)thr_arg; |
945 | |
993 | |
946 | do |
994 | /* try to distribute timeouts somewhat evenly */ |
|
|
995 | ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
|
|
996 | * (1000000000UL / 1024UL); |
|
|
997 | |
|
|
998 | for (;;) |
947 | { |
999 | { |
|
|
1000 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1001 | |
948 | LOCK (reqlock); |
1002 | LOCK (reqlock); |
949 | |
1003 | |
950 | for (;;) |
1004 | for (;;) |
951 | { |
1005 | { |
952 | self->req = req = reqq_shift (&req_queue); |
1006 | self->req = req = reqq_shift (&req_queue); |
953 | |
1007 | |
954 | if (req) |
1008 | if (req) |
955 | break; |
1009 | break; |
956 | |
1010 | |
|
|
1011 | ++idle; |
|
|
1012 | |
|
|
1013 | if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
|
|
1014 | == ETIMEDOUT) |
|
|
1015 | { |
|
|
1016 | if (idle > max_idle) |
|
|
1017 | { |
|
|
1018 | --idle; |
|
|
1019 | UNLOCK (reqlock); |
|
|
1020 | LOCK (wrklock); |
|
|
1021 | --started; |
|
|
1022 | UNLOCK (wrklock); |
|
|
1023 | goto quit; |
|
|
1024 | } |
|
|
1025 | |
|
|
1026 | /* we are allowed to idle, so do so without any timeout */ |
957 | pthread_cond_wait (&reqwait, &reqlock); |
1027 | pthread_cond_wait (&reqwait, &reqlock); |
|
|
1028 | ts.tv_sec = time (0) + IDLE_TIMEOUT; |
|
|
1029 | } |
|
|
1030 | |
|
|
1031 | --idle; |
958 | } |
1032 | } |
959 | |
1033 | |
960 | --nready; |
1034 | --nready; |
961 | |
1035 | |
962 | UNLOCK (reqlock); |
1036 | UNLOCK (reqlock); |
963 | |
1037 | |
964 | errno = 0; /* strictly unnecessary */ |
1038 | errno = 0; /* strictly unnecessary */ |
965 | type = req->type; /* remember type for QUIT check */ |
|
|
966 | |
1039 | |
967 | if (!(req->flags & FLAG_CANCELLED)) |
1040 | if (!(req->flags & FLAG_CANCELLED)) |
968 | switch (type) |
1041 | switch (req->type) |
969 | { |
1042 | { |
970 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
1043 | case REQ_READ: req->result = pread (req->fd, req->dataptr, req->length, req->offset); break; |
971 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
1044 | case REQ_WRITE: req->result = pwrite (req->fd, req->dataptr, req->length, req->offset); break; |
972 | |
1045 | |
973 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
1046 | case REQ_READAHEAD: req->result = readahead (req->fd, req->offset, req->length); break; |
… | |
… | |
982 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
1055 | case REQ_UNLINK: req->result = unlink (req->dataptr); break; |
983 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
1056 | case REQ_RMDIR: req->result = rmdir (req->dataptr); break; |
984 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
1057 | case REQ_RENAME: req->result = rename (req->data2ptr, req->dataptr); break; |
985 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
1058 | case REQ_LINK: req->result = link (req->data2ptr, req->dataptr); break; |
986 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
1059 | case REQ_SYMLINK: req->result = symlink (req->data2ptr, req->dataptr); break; |
|
|
1060 | case REQ_MKNOD: req->result = mknod (req->data2ptr, req->mode, (dev_t)req->offset); break; |
987 | |
1061 | |
988 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
1062 | case REQ_FDATASYNC: req->result = fdatasync (req->fd); break; |
989 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
1063 | case REQ_FSYNC: req->result = fsync (req->fd); break; |
990 | case REQ_READDIR: scandir_ (req, self); break; |
1064 | case REQ_READDIR: scandir_ (req, self); break; |
991 | |
1065 | |
… | |
… | |
999 | req->result = select (0, 0, 0, 0, &tv); |
1073 | req->result = select (0, 0, 0, 0, &tv); |
1000 | } |
1074 | } |
1001 | |
1075 | |
1002 | case REQ_GROUP: |
1076 | case REQ_GROUP: |
1003 | case REQ_NOP: |
1077 | case REQ_NOP: |
|
|
1078 | break; |
|
|
1079 | |
1004 | case REQ_QUIT: |
1080 | case REQ_QUIT: |
1005 | break; |
1081 | goto quit; |
1006 | |
1082 | |
1007 | default: |
1083 | default: |
1008 | req->result = ENOSYS; |
1084 | req->result = ENOSYS; |
1009 | break; |
1085 | break; |
1010 | } |
1086 | } |
… | |
… | |
1022 | self->req = 0; |
1098 | self->req = 0; |
1023 | worker_clear (self); |
1099 | worker_clear (self); |
1024 | |
1100 | |
1025 | UNLOCK (reslock); |
1101 | UNLOCK (reslock); |
1026 | } |
1102 | } |
1027 | while (type != REQ_QUIT); |
|
|
1028 | |
1103 | |
|
|
1104 | quit: |
1029 | LOCK (wrklock); |
1105 | LOCK (wrklock); |
1030 | worker_free (self); |
1106 | worker_free (self); |
1031 | UNLOCK (wrklock); |
1107 | UNLOCK (wrklock); |
1032 | |
1108 | |
1033 | return 0; |
1109 | return 0; |
… | |
… | |
1080 | |
1156 | |
1081 | worker_clear (wrk); |
1157 | worker_clear (wrk); |
1082 | worker_free (wrk); |
1158 | worker_free (wrk); |
1083 | } |
1159 | } |
1084 | |
1160 | |
1085 | started = 0; |
1161 | started = 0; |
|
|
1162 | idle = 0; |
1086 | nreqs = 0; |
1163 | nreqs = 0; |
|
|
1164 | nready = 0; |
|
|
1165 | npending = 0; |
1087 | |
1166 | |
1088 | close (respipe [0]); |
1167 | close (respipe [0]); |
1089 | close (respipe [1]); |
1168 | close (respipe [1]); |
1090 | create_pipe (); |
1169 | create_pipe (); |
1091 | |
1170 | |
… | |
… | |
1118 | PROTOTYPES: ENABLE |
1197 | PROTOTYPES: ENABLE |
1119 | |
1198 | |
1120 | BOOT: |
1199 | BOOT: |
1121 | { |
1200 | { |
1122 | HV *stash = gv_stashpv ("IO::AIO", 1); |
1201 | HV *stash = gv_stashpv ("IO::AIO", 1); |
|
|
1202 | |
1123 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1203 | newCONSTSUB (stash, "EXDEV", newSViv (EXDEV)); |
1124 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1204 | newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); |
1125 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
1205 | newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); |
|
|
1206 | newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); |
|
|
1207 | newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); |
|
|
1208 | newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); |
1126 | |
1209 | |
1127 | create_pipe (); |
1210 | create_pipe (); |
1128 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1211 | pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
1129 | } |
1212 | } |
1130 | |
1213 | |
… | |
… | |
1361 | req->type = ix; |
1444 | req->type = ix; |
1362 | req->fh = newSVsv (oldpath); |
1445 | req->fh = newSVsv (oldpath); |
1363 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1446 | req->data2ptr = SvPVbyte_nolen (req->fh); |
1364 | req->data = newSVsv (newpath); |
1447 | req->data = newSVsv (newpath); |
1365 | req->dataptr = SvPVbyte_nolen (req->data); |
1448 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1449 | |
|
|
1450 | REQ_SEND; |
|
|
1451 | } |
|
|
1452 | |
|
|
1453 | void |
|
|
1454 | aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) |
|
|
1455 | SV * pathname |
|
|
1456 | SV * callback |
|
|
1457 | UV mode |
|
|
1458 | UV dev |
|
|
1459 | PPCODE: |
|
|
1460 | { |
|
|
1461 | dREQ; |
|
|
1462 | |
|
|
1463 | req->type = REQ_MKNOD; |
|
|
1464 | req->data = newSVsv (pathname); |
|
|
1465 | req->dataptr = SvPVbyte_nolen (req->data); |
|
|
1466 | req->mode = (mode_t)mode; |
|
|
1467 | req->offset = dev; |
1366 | |
1468 | |
1367 | REQ_SEND; |
1469 | REQ_SEND; |
1368 | } |
1470 | } |
1369 | |
1471 | |
1370 | void |
1472 | void |
… | |
… | |
1491 | |
1593 | |
1492 | int |
1594 | int |
1493 | nready() |
1595 | nready() |
1494 | PROTOTYPE: |
1596 | PROTOTYPE: |
1495 | CODE: |
1597 | CODE: |
1496 | if (WORDREAD_UNSAFE) LOCK (reqlock); |
|
|
1497 | RETVAL = nready; |
1598 | RETVAL = get_nready (); |
1498 | if (WORDREAD_UNSAFE) UNLOCK (reqlock); |
|
|
1499 | OUTPUT: |
1599 | OUTPUT: |
1500 | RETVAL |
1600 | RETVAL |
1501 | |
1601 | |
1502 | int |
1602 | int |
1503 | npending() |
1603 | npending() |
1504 | PROTOTYPE: |
1604 | PROTOTYPE: |
1505 | CODE: |
1605 | CODE: |
1506 | if (WORDREAD_UNSAFE) LOCK (reslock); |
|
|
1507 | RETVAL = npending; |
1606 | RETVAL = get_npending (); |
1508 | if (WORDREAD_UNSAFE) UNLOCK (reslock); |
|
|
1509 | OUTPUT: |
1607 | OUTPUT: |
1510 | RETVAL |
1608 | RETVAL |
1511 | |
1609 | |
1512 | PROTOTYPES: DISABLE |
1610 | PROTOTYPES: DISABLE |
1513 | |
1611 | |