… | |
… | |
46 | # define NAME_MAX 4096 |
46 | # define NAME_MAX 4096 |
47 | #endif |
47 | #endif |
48 | |
48 | |
49 | #if __ia64 |
49 | #if __ia64 |
50 | # define STACKSIZE 65536 |
50 | # define STACKSIZE 65536 |
|
|
51 | #elif __i386 || __x86_64 /* 16k is unreasonably high :( */ |
|
|
52 | # define STACKSIZE PTHREAD_STACK_MIN |
51 | #else |
53 | #else |
52 | # define STACKSIZE 8192 |
54 | # define STACKSIZE 16384 |
53 | #endif |
55 | #endif |
|
|
56 | |
|
|
57 | /* buffer size for various temporary buffers */ |
|
|
58 | #define AIO_BUFSIZE 65536 |
|
|
59 | |
|
|
60 | #define dBUF \ |
|
|
61 | char *aio_buf = malloc (AIO_BUFSIZE); \ |
|
|
62 | if (!aio_buf) \ |
|
|
63 | return -1; |
|
|
64 | |
|
|
65 | #define fBUF free (aio_buf) |
54 | |
66 | |
55 | enum { |
67 | enum { |
56 | REQ_QUIT, |
68 | REQ_QUIT, |
57 | REQ_OPEN, REQ_CLOSE, |
69 | REQ_OPEN, REQ_CLOSE, |
58 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
70 | REQ_READ, REQ_WRITE, REQ_READAHEAD, |
… | |
… | |
105 | PRI_MIN = -4, |
117 | PRI_MIN = -4, |
106 | PRI_MAX = 4, |
118 | PRI_MAX = 4, |
107 | |
119 | |
108 | DEFAULT_PRI = 0, |
120 | DEFAULT_PRI = 0, |
109 | PRI_BIAS = -PRI_MIN, |
121 | PRI_BIAS = -PRI_MIN, |
|
|
122 | NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
110 | }; |
123 | }; |
111 | |
124 | |
112 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
125 | static int next_pri = DEFAULT_PRI + PRI_BIAS; |
113 | |
126 | |
114 | static int started, wanted; |
127 | static int started, wanted; |
… | |
… | |
124 | |
137 | |
125 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
138 | static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
126 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
139 | static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
127 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
140 | static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
128 | |
141 | |
129 | static volatile aio_req reqs, reqe; /* queue start, queue end */ |
142 | /* |
130 | static volatile aio_req ress, rese; /* queue start, queue end */ |
143 | * a somewhat faster data structure might be nice, but |
|
|
144 | * with 8 priorities this actually needs <20 insns |
|
|
145 | * per shift, the most expensive operation. |
|
|
146 | */ |
|
|
147 | typedef struct { |
|
|
148 | aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
|
|
149 | int size; |
|
|
150 | } reqq; |
|
|
151 | |
|
|
152 | static reqq req_queue; |
|
|
153 | static reqq res_queue; |
|
|
154 | |
|
|
155 | int reqq_push (reqq *q, aio_req req) |
|
|
156 | { |
|
|
157 | int pri = req->pri; |
|
|
158 | req->next = 0; |
|
|
159 | |
|
|
160 | if (q->qe[pri]) |
|
|
161 | { |
|
|
162 | q->qe[pri]->next = req; |
|
|
163 | q->qe[pri] = req; |
|
|
164 | } |
|
|
165 | else |
|
|
166 | q->qe[pri] = q->qs[pri] = req; |
|
|
167 | |
|
|
168 | return q->size++; |
|
|
169 | } |
|
|
170 | |
|
|
171 | aio_req reqq_shift (reqq *q) |
|
|
172 | { |
|
|
173 | int pri; |
|
|
174 | |
|
|
175 | if (!q->size) |
|
|
176 | return 0; |
|
|
177 | |
|
|
178 | --q->size; |
|
|
179 | |
|
|
180 | for (pri = NUM_PRI; pri--; ) |
|
|
181 | { |
|
|
182 | aio_req req = q->qs[pri]; |
|
|
183 | |
|
|
184 | if (req) |
|
|
185 | { |
|
|
186 | if (!(q->qs[pri] = req->next)) |
|
|
187 | q->qe[pri] = 0; |
|
|
188 | |
|
|
189 | return req; |
|
|
190 | } |
|
|
191 | } |
|
|
192 | |
|
|
193 | abort (); |
|
|
194 | } |
131 | |
195 | |
132 | static void req_invoke (aio_req req); |
196 | static void req_invoke (aio_req req); |
133 | static void req_free (aio_req req); |
197 | static void req_free (aio_req req); |
134 | |
198 | |
135 | /* must be called at most once */ |
199 | /* must be called at most once */ |
… | |
… | |
169 | ENTER; |
233 | ENTER; |
170 | SAVETMPS; |
234 | SAVETMPS; |
171 | PUSHMARK (SP); |
235 | PUSHMARK (SP); |
172 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
236 | XPUSHs (req_sv (grp, AIO_GRP_KLASS)); |
173 | PUTBACK; |
237 | PUTBACK; |
174 | call_sv (grp->fh2, G_VOID | G_EVAL); |
238 | call_sv (grp->fh2, G_VOID | G_EVAL | G_KEEPERR); |
175 | SPAGAIN; |
239 | SPAGAIN; |
176 | FREETMPS; |
240 | FREETMPS; |
177 | LEAVE; |
241 | LEAVE; |
178 | } |
242 | } |
179 | |
243 | |
… | |
… | |
206 | { |
270 | { |
207 | fd_set rfd; |
271 | fd_set rfd; |
208 | |
272 | |
209 | while (nreqs) |
273 | while (nreqs) |
210 | { |
274 | { |
211 | aio_req req; |
275 | int size; |
|
|
276 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
212 | pthread_mutex_lock (&reslock); |
277 | pthread_mutex_lock (&reslock); |
213 | req = ress; |
278 | #endif |
|
|
279 | size = res_queue.size; |
|
|
280 | #if !(__i386 || __x86_64) /* safe without sempahore on this archs */ |
214 | pthread_mutex_unlock (&reslock); |
281 | pthread_mutex_unlock (&reslock); |
|
|
282 | #endif |
215 | |
283 | |
216 | if (req) |
284 | if (size) |
217 | return; |
285 | return; |
218 | |
286 | |
219 | FD_ZERO(&rfd); |
287 | FD_ZERO(&rfd); |
220 | FD_SET(respipe [0], &rfd); |
288 | FD_SET(respipe [0], &rfd); |
221 | |
289 | |
… | |
… | |
224 | } |
292 | } |
225 | |
293 | |
226 | static void req_invoke (aio_req req) |
294 | static void req_invoke (aio_req req) |
227 | { |
295 | { |
228 | dSP; |
296 | dSP; |
229 | int errorno = errno; |
|
|
230 | |
297 | |
231 | if (req->flags & FLAG_CANCELLED || !SvOK (req->callback)) |
298 | if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) |
232 | return; |
299 | { |
233 | |
|
|
234 | errno = req->errorno; |
300 | errno = req->errorno; |
235 | |
301 | |
236 | ENTER; |
302 | ENTER; |
237 | SAVETMPS; |
303 | SAVETMPS; |
238 | PUSHMARK (SP); |
304 | PUSHMARK (SP); |
239 | EXTEND (SP, 1); |
305 | EXTEND (SP, 1); |
240 | |
306 | |
241 | switch (req->type) |
307 | switch (req->type) |
242 | { |
|
|
243 | case REQ_READDIR: |
|
|
244 | { |
308 | { |
245 | SV *rv = &PL_sv_undef; |
309 | case REQ_READDIR: |
246 | |
|
|
247 | if (req->result >= 0) |
|
|
248 | { |
310 | { |
249 | char *buf = req->data2ptr; |
311 | SV *rv = &PL_sv_undef; |
250 | AV *av = newAV (); |
|
|
251 | |
312 | |
252 | while (req->result) |
313 | if (req->result >= 0) |
253 | { |
314 | { |
|
|
315 | char *buf = req->data2ptr; |
|
|
316 | AV *av = newAV (); |
|
|
317 | |
|
|
318 | while (req->result) |
|
|
319 | { |
254 | SV *sv = newSVpv (buf, 0); |
320 | SV *sv = newSVpv (buf, 0); |
255 | |
321 | |
256 | av_push (av, sv); |
322 | av_push (av, sv); |
257 | buf += SvCUR (sv) + 1; |
323 | buf += SvCUR (sv) + 1; |
258 | req->result--; |
324 | req->result--; |
|
|
325 | } |
|
|
326 | |
|
|
327 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
259 | } |
328 | } |
260 | |
329 | |
261 | rv = sv_2mortal (newRV_noinc ((SV *)av)); |
330 | PUSHs (rv); |
262 | } |
331 | } |
|
|
332 | break; |
263 | |
333 | |
264 | PUSHs (rv); |
334 | case REQ_OPEN: |
|
|
335 | { |
|
|
336 | /* convert fd to fh */ |
|
|
337 | SV *fh; |
|
|
338 | |
|
|
339 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
340 | PUTBACK; |
|
|
341 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
342 | SPAGAIN; |
|
|
343 | |
|
|
344 | fh = SvREFCNT_inc (POPs); |
|
|
345 | |
|
|
346 | PUSHMARK (SP); |
|
|
347 | XPUSHs (sv_2mortal (fh)); |
|
|
348 | } |
|
|
349 | break; |
|
|
350 | |
|
|
351 | case REQ_GROUP: |
|
|
352 | req->fd = 2; /* mark group as finished */ |
|
|
353 | |
|
|
354 | if (req->data) |
|
|
355 | { |
|
|
356 | int i; |
|
|
357 | AV *av = (AV *)req->data; |
|
|
358 | |
|
|
359 | EXTEND (SP, AvFILL (av) + 1); |
|
|
360 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
361 | PUSHs (*av_fetch (av, i, 0)); |
|
|
362 | } |
|
|
363 | break; |
|
|
364 | |
|
|
365 | case REQ_NOP: |
|
|
366 | case REQ_SLEEP: |
|
|
367 | break; |
|
|
368 | |
|
|
369 | default: |
|
|
370 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
371 | break; |
265 | } |
372 | } |
266 | break; |
|
|
267 | |
373 | |
268 | case REQ_OPEN: |
|
|
269 | { |
|
|
270 | /* convert fd to fh */ |
|
|
271 | SV *fh; |
|
|
272 | |
374 | |
273 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
274 | PUTBACK; |
375 | PUTBACK; |
275 | call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); |
|
|
276 | SPAGAIN; |
|
|
277 | |
|
|
278 | fh = SvREFCNT_inc (POPs); |
|
|
279 | |
|
|
280 | PUSHMARK (SP); |
|
|
281 | XPUSHs (sv_2mortal (fh)); |
|
|
282 | } |
|
|
283 | break; |
|
|
284 | |
|
|
285 | case REQ_GROUP: |
|
|
286 | req->fd = 2; /* mark group as finished */ |
|
|
287 | |
|
|
288 | if (req->data) |
|
|
289 | { |
|
|
290 | int i; |
|
|
291 | AV *av = (AV *)req->data; |
|
|
292 | |
|
|
293 | EXTEND (SP, AvFILL (av) + 1); |
|
|
294 | for (i = 0; i <= AvFILL (av); ++i) |
|
|
295 | PUSHs (*av_fetch (av, i, 0)); |
|
|
296 | } |
|
|
297 | break; |
|
|
298 | |
|
|
299 | case REQ_NOP: |
|
|
300 | case REQ_SLEEP: |
|
|
301 | break; |
|
|
302 | |
|
|
303 | default: |
|
|
304 | PUSHs (sv_2mortal (newSViv (req->result))); |
|
|
305 | break; |
|
|
306 | } |
|
|
307 | |
|
|
308 | |
|
|
309 | PUTBACK; |
|
|
310 | call_sv (req->callback, G_VOID | G_EVAL); |
376 | call_sv (req->callback, G_VOID | G_EVAL); |
311 | SPAGAIN; |
377 | SPAGAIN; |
312 | |
378 | |
313 | FREETMPS; |
379 | FREETMPS; |
314 | LEAVE; |
380 | LEAVE; |
315 | |
|
|
316 | errno = errorno; |
|
|
317 | |
|
|
318 | if (SvTRUE (ERRSV)) |
|
|
319 | { |
381 | } |
320 | req_free (req); |
|
|
321 | croak (0); |
|
|
322 | } |
|
|
323 | } |
|
|
324 | |
382 | |
325 | static void req_free (aio_req req) |
|
|
326 | { |
|
|
327 | if (req->grp) |
383 | if (req->grp) |
328 | { |
384 | { |
329 | aio_req grp = req->grp; |
385 | aio_req grp = req->grp; |
330 | |
386 | |
331 | /* unlink request */ |
387 | /* unlink request */ |
… | |
… | |
336 | grp->grp_first = req->grp_next; |
392 | grp->grp_first = req->grp_next; |
337 | |
393 | |
338 | aio_grp_dec (grp); |
394 | aio_grp_dec (grp); |
339 | } |
395 | } |
340 | |
396 | |
|
|
397 | if (SvTRUE (ERRSV)) |
|
|
398 | { |
|
|
399 | req_free (req); |
|
|
400 | croak (0); |
|
|
401 | } |
|
|
402 | } |
|
|
403 | |
|
|
404 | static void req_free (aio_req req) |
|
|
405 | { |
341 | if (req->self) |
406 | if (req->self) |
342 | { |
407 | { |
343 | sv_unmagic (req->self, PERL_MAGIC_ext); |
408 | sv_unmagic (req->self, PERL_MAGIC_ext); |
344 | SvREFCNT_dec (req->self); |
409 | SvREFCNT_dec (req->self); |
345 | } |
410 | } |
… | |
… | |
377 | aio_req req; |
442 | aio_req req; |
378 | |
443 | |
379 | for (;;) |
444 | for (;;) |
380 | { |
445 | { |
381 | pthread_mutex_lock (&reslock); |
446 | pthread_mutex_lock (&reslock); |
382 | req = ress; |
447 | req = reqq_shift (&res_queue); |
383 | |
448 | |
384 | if (req) |
449 | if (req) |
385 | { |
450 | { |
386 | ress = req->next; |
|
|
387 | |
|
|
388 | if (!ress) |
451 | if (!res_queue.size) |
389 | { |
452 | { |
390 | /* read any signals sent by the worker threads */ |
453 | /* read any signals sent by the worker threads */ |
391 | char buf [32]; |
454 | char buf [32]; |
392 | while (read (respipe [0], buf, 32) == 32) |
455 | while (read (respipe [0], buf, 32) == 32) |
393 | ; |
456 | ; |
394 | |
|
|
395 | rese = 0; |
|
|
396 | } |
457 | } |
397 | } |
458 | } |
398 | |
459 | |
399 | pthread_mutex_unlock (&reslock); |
460 | pthread_mutex_unlock (&reslock); |
400 | |
461 | |
… | |
… | |
463 | start_thread (); |
524 | start_thread (); |
464 | |
525 | |
465 | ++nreqs; |
526 | ++nreqs; |
466 | |
527 | |
467 | pthread_mutex_lock (&reqlock); |
528 | pthread_mutex_lock (&reqlock); |
468 | |
529 | reqq_push (&req_queue, req); |
469 | req->next = 0; |
|
|
470 | |
|
|
471 | if (reqe) |
|
|
472 | { |
|
|
473 | reqe->next = req; |
|
|
474 | reqe = req; |
|
|
475 | } |
|
|
476 | else |
|
|
477 | reqe = reqs = req; |
|
|
478 | |
|
|
479 | pthread_cond_signal (&reqwait); |
530 | pthread_cond_signal (&reqwait); |
480 | pthread_mutex_unlock (&reqlock); |
531 | pthread_mutex_unlock (&reqlock); |
481 | |
532 | |
482 | if (nreqs > max_outstanding) |
533 | if (nreqs > max_outstanding) |
483 | for (;;) |
534 | for (;;) |
… | |
… | |
492 | } |
543 | } |
493 | |
544 | |
494 | static void end_thread (void) |
545 | static void end_thread (void) |
495 | { |
546 | { |
496 | aio_req req; |
547 | aio_req req; |
|
|
548 | |
497 | Newz (0, req, 1, aio_cb); |
549 | Newz (0, req, 1, aio_cb); |
|
|
550 | |
498 | req->type = REQ_QUIT; |
551 | req->type = REQ_QUIT; |
|
|
552 | req->pri = PRI_MAX + PRI_BIAS; |
499 | |
553 | |
500 | req_send (req); |
554 | req_send (req); |
501 | } |
555 | } |
502 | |
556 | |
503 | static void min_parallel (int nthreads) |
557 | static void min_parallel (int nthreads) |
… | |
… | |
590 | #if !HAVE_READAHEAD |
644 | #if !HAVE_READAHEAD |
591 | # define readahead aio_readahead |
645 | # define readahead aio_readahead |
592 | |
646 | |
593 | static ssize_t readahead (int fd, off_t offset, size_t count) |
647 | static ssize_t readahead (int fd, off_t offset, size_t count) |
594 | { |
648 | { |
595 | char readahead_buf[4096]; |
649 | dBUF; |
596 | |
650 | |
597 | while (count > 0) |
651 | while (count > 0) |
598 | { |
652 | { |
599 | size_t len = count < sizeof (readahead_buf) ? count : sizeof (readahead_buf); |
653 | size_t len = count < AIO_BUFSIZE ? count : AIO_BUFSIZE; |
600 | |
654 | |
601 | pread (fd, readahead_buf, len, offset); |
655 | pread (fd, aio_buf, len, offset); |
602 | offset += len; |
656 | offset += len; |
603 | count -= len; |
657 | count -= len; |
604 | } |
658 | } |
|
|
659 | |
|
|
660 | fBUF; |
605 | |
661 | |
606 | errno = 0; |
662 | errno = 0; |
607 | } |
663 | } |
608 | #endif |
664 | #endif |
609 | |
665 | |
… | |
… | |
695 | #endif |
751 | #endif |
696 | ) |
752 | ) |
697 | ) |
753 | ) |
698 | { |
754 | { |
699 | /* emulate sendfile. this is a major pain in the ass */ |
755 | /* emulate sendfile. this is a major pain in the ass */ |
700 | char buf[4096]; |
756 | dBUF; |
|
|
757 | |
701 | res = 0; |
758 | res = 0; |
702 | |
759 | |
703 | while (count) |
760 | while (count) |
704 | { |
761 | { |
705 | ssize_t cnt; |
762 | ssize_t cnt; |
706 | |
763 | |
707 | cnt = pread (ifd, buf, count > 4096 ? 4096 : count, offset); |
764 | cnt = pread (ifd, aio_buf, count > AIO_BUFSIZE ? AIO_BUFSIZE : count, offset); |
708 | |
765 | |
709 | if (cnt <= 0) |
766 | if (cnt <= 0) |
710 | { |
767 | { |
711 | if (cnt && !res) res = -1; |
768 | if (cnt && !res) res = -1; |
712 | break; |
769 | break; |
713 | } |
770 | } |
714 | |
771 | |
715 | cnt = write (ofd, buf, cnt); |
772 | cnt = write (ofd, aio_buf, cnt); |
716 | |
773 | |
717 | if (cnt <= 0) |
774 | if (cnt <= 0) |
718 | { |
775 | { |
719 | if (cnt && !res) res = -1; |
776 | if (cnt && !res) res = -1; |
720 | break; |
777 | break; |
… | |
… | |
722 | |
779 | |
723 | offset += cnt; |
780 | offset += cnt; |
724 | res += cnt; |
781 | res += cnt; |
725 | count -= cnt; |
782 | count -= cnt; |
726 | } |
783 | } |
|
|
784 | |
|
|
785 | fBUF; |
727 | } |
786 | } |
728 | |
787 | |
729 | return res; |
788 | return res; |
730 | } |
789 | } |
731 | |
790 | |
732 | /* read a full directory */ |
791 | /* read a full directory */ |
733 | static int scandir_ (const char *path, void **namesp) |
792 | static int scandir_ (const char *path, void **namesp) |
734 | { |
793 | { |
735 | DIR *dirp = opendir (path); |
794 | DIR *dirp; |
736 | union |
795 | union |
737 | { |
796 | { |
738 | struct dirent d; |
797 | struct dirent d; |
739 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
798 | char b [offsetof (struct dirent, d_name) + NAME_MAX + 1]; |
740 | } u; |
799 | } *u; |
741 | struct dirent *entp; |
800 | struct dirent *entp; |
742 | char *name, *names; |
801 | char *name, *names; |
743 | int memlen = 4096; |
802 | int memlen = 4096; |
744 | int memofs = 0; |
803 | int memofs = 0; |
745 | int res = 0; |
804 | int res = 0; |
746 | int errorno; |
805 | int errorno; |
747 | |
806 | |
|
|
807 | dirp = opendir (path); |
748 | if (!dirp) |
808 | if (!dirp) |
749 | return -1; |
809 | return -1; |
750 | |
810 | |
|
|
811 | u = malloc (sizeof (*u)); |
751 | names = malloc (memlen); |
812 | names = malloc (memlen); |
752 | |
813 | |
|
|
814 | if (u && names) |
753 | for (;;) |
815 | for (;;) |
754 | { |
816 | { |
|
|
817 | errno = 0; |
755 | errno = 0, readdir_r (dirp, &u.d, &entp); |
818 | readdir_r (dirp, &u->d, &entp); |
756 | |
819 | |
757 | if (!entp) |
820 | if (!entp) |
758 | break; |
821 | break; |
759 | |
822 | |
760 | name = entp->d_name; |
823 | name = entp->d_name; |
761 | |
824 | |
762 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
825 | if (name [0] != '.' || (name [1] && (name [1] != '.' || name [2]))) |
763 | { |
826 | { |
764 | int len = strlen (name) + 1; |
827 | int len = strlen (name) + 1; |
765 | |
828 | |
766 | res++; |
829 | res++; |
767 | |
830 | |
768 | while (memofs + len > memlen) |
831 | while (memofs + len > memlen) |
769 | { |
832 | { |
770 | memlen *= 2; |
833 | memlen *= 2; |
771 | names = realloc (names, memlen); |
834 | names = realloc (names, memlen); |
772 | if (!names) |
835 | if (!names) |
773 | break; |
836 | break; |
774 | } |
837 | } |
775 | |
838 | |
776 | memcpy (names + memofs, name, len); |
839 | memcpy (names + memofs, name, len); |
777 | memofs += len; |
840 | memofs += len; |
778 | } |
841 | } |
779 | } |
842 | } |
780 | |
843 | |
781 | errorno = errno; |
844 | errorno = errno; |
|
|
845 | free (u); |
782 | closedir (dirp); |
846 | closedir (dirp); |
783 | |
847 | |
784 | if (errorno) |
848 | if (errorno) |
785 | { |
849 | { |
786 | free (names); |
850 | free (names); |
… | |
… | |
803 | { |
867 | { |
804 | pthread_mutex_lock (&reqlock); |
868 | pthread_mutex_lock (&reqlock); |
805 | |
869 | |
806 | for (;;) |
870 | for (;;) |
807 | { |
871 | { |
808 | req = reqs; |
872 | req = reqq_shift (&req_queue); |
809 | |
|
|
810 | if (reqs) |
|
|
811 | { |
|
|
812 | reqs = reqs->next; |
|
|
813 | if (!reqs) reqe = 0; |
|
|
814 | } |
|
|
815 | |
873 | |
816 | if (req) |
874 | if (req) |
817 | break; |
875 | break; |
818 | |
876 | |
819 | pthread_cond_wait (&reqwait, &reqlock); |
877 | pthread_cond_wait (&reqwait, &reqlock); |
… | |
… | |
871 | |
929 | |
872 | req->errorno = errno; |
930 | req->errorno = errno; |
873 | |
931 | |
874 | pthread_mutex_lock (&reslock); |
932 | pthread_mutex_lock (&reslock); |
875 | |
933 | |
876 | req->next = 0; |
934 | if (!reqq_push (&res_queue, req)) |
877 | |
|
|
878 | if (rese) |
|
|
879 | { |
|
|
880 | rese->next = req; |
|
|
881 | rese = req; |
|
|
882 | } |
|
|
883 | else |
|
|
884 | { |
|
|
885 | rese = ress = req; |
|
|
886 | |
|
|
887 | /* write a dummy byte to the pipe so fh becomes ready */ |
935 | /* write a dummy byte to the pipe so fh becomes ready */ |
888 | write (respipe [1], &respipe, 1); |
936 | write (respipe [1], &respipe, 1); |
889 | } |
|
|
890 | |
937 | |
891 | pthread_mutex_unlock (&reslock); |
938 | pthread_mutex_unlock (&reslock); |
892 | } |
939 | } |
893 | while (type != REQ_QUIT); |
940 | while (type != REQ_QUIT); |
894 | |
941 | |
… | |
… | |
925 | { |
972 | { |
926 | aio_req prv; |
973 | aio_req prv; |
927 | |
974 | |
928 | started = 0; |
975 | started = 0; |
929 | |
976 | |
930 | while (reqs) |
977 | while (prv = reqq_shift (&req_queue)) |
931 | { |
|
|
932 | prv = reqs; |
|
|
933 | reqs = prv->next; |
|
|
934 | req_free (prv); |
978 | req_free (prv); |
935 | } |
|
|
936 | |
979 | |
937 | reqs = reqe = 0; |
980 | while (prv = reqq_shift (&res_queue)) |
938 | |
|
|
939 | while (ress) |
|
|
940 | { |
|
|
941 | prv = ress; |
|
|
942 | ress = prv->next; |
|
|
943 | req_free (prv); |
981 | req_free (prv); |
944 | } |
982 | |
945 | |
|
|
946 | ress = rese = 0; |
|
|
947 | |
|
|
948 | close (respipe [0]); |
983 | close (respipe [0]); |
949 | close (respipe [1]); |
984 | close (respipe [1]); |
950 | create_pipe (); |
985 | create_pipe (); |
951 | |
986 | |
952 | atfork_parent (); |
987 | atfork_parent (); |
… | |
… | |
1267 | req->type = REQ_NOP; |
1302 | req->type = REQ_NOP; |
1268 | |
1303 | |
1269 | REQ_SEND; |
1304 | REQ_SEND; |
1270 | } |
1305 | } |
1271 | |
1306 | |
1272 | #if 0 |
|
|
1273 | |
|
|
1274 | void |
1307 | void |
1275 | aio_pri (int pri = DEFAULT_PRI) |
1308 | aioreq_pri (int pri = DEFAULT_PRI) |
1276 | CODE: |
1309 | CODE: |
1277 | if (pri < PRI_MIN) pri = PRI_MIN; |
1310 | if (pri < PRI_MIN) pri = PRI_MIN; |
1278 | if (pri > PRI_MAX) pri = PRI_MAX; |
1311 | if (pri > PRI_MAX) pri = PRI_MAX; |
1279 | next_pri = pri + PRI_BIAS; |
1312 | next_pri = pri + PRI_BIAS; |
1280 | |
|
|
1281 | #endif |
|
|
1282 | |
1313 | |
1283 | void |
1314 | void |
1284 | flush () |
1315 | flush () |
1285 | PROTOTYPE: |
1316 | PROTOTYPE: |
1286 | CODE: |
1317 | CODE: |
… | |
… | |
1335 | |
1366 | |
1336 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1367 | MODULE = IO::AIO PACKAGE = IO::AIO::REQ |
1337 | |
1368 | |
1338 | void |
1369 | void |
1339 | cancel (aio_req_ornot req) |
1370 | cancel (aio_req_ornot req) |
1340 | PROTOTYPE: |
|
|
1341 | CODE: |
1371 | CODE: |
1342 | req_cancel (req); |
1372 | req_cancel (req); |
1343 | |
1373 | |
1344 | void |
1374 | void |
1345 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
1375 | cb (aio_req_ornot req, SV *callback=&PL_sv_undef) |
… | |
… | |
1395 | SvREFCNT_dec (grp->data); |
1425 | SvREFCNT_dec (grp->data); |
1396 | grp->data = (SV *)av; |
1426 | grp->data = (SV *)av; |
1397 | } |
1427 | } |
1398 | |
1428 | |
1399 | void |
1429 | void |
1400 | feed_limit (aio_req grp, int limit) |
1430 | limit (aio_req grp, int limit) |
1401 | CODE: |
1431 | CODE: |
1402 | grp->fd2 = limit; |
1432 | grp->fd2 = limit; |
1403 | aio_grp_feed (grp); |
1433 | aio_grp_feed (grp); |
1404 | |
1434 | |
1405 | void |
1435 | void |