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Comparing IO-AIO/AIO.xs (file contents):
Revision 1.86 by root, Mon Oct 30 23:30:00 2006 UTC vs.
Revision 1.94 by root, Sun Nov 26 18:28:37 2006 UTC

… …
17#include "autoconf/config.h" 17#include "autoconf/config.h"
18 18
19#include <pthread.h> 19#include <pthread.h>
20 20
21#include <stddef.h> 21#include <stddef.h>
22#include <stdlib.h>
22#include <errno.h> 23#include <errno.h>
23#include <sys/time.h> 24#include <sys/time.h>
24#include <sys/select.h> 25#include <sys/select.h>
25#include <sys/types.h> 26#include <sys/types.h>
26#include <sys/stat.h> 27#include <sys/stat.h>
… …
87 self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \ 88 self->dbuf = aio_buf = malloc (AIO_BUFSIZE); \
88 UNLOCK (wrklock); \ 89 UNLOCK (wrklock); \
89 if (!aio_buf) \ 90 if (!aio_buf) \
90 return -1; 91 return -1;
91 92
93typedef SV SV8; /* byte-sv, used for argument-checking */
94
92enum { 95enum {
93 REQ_QUIT, 96 REQ_QUIT,
94 REQ_OPEN, REQ_CLOSE, 97 REQ_OPEN, REQ_CLOSE,
95 REQ_READ, REQ_WRITE, REQ_READAHEAD, 98 REQ_READ, REQ_WRITE, REQ_READAHEAD,
96 REQ_SENDFILE, 99 REQ_SENDFILE,
… …
111 struct aio_cb *volatile next; 114 struct aio_cb *volatile next;
112 115
113 SV *callback, *fh; 116 SV *callback, *fh;
114 SV *sv1, *sv2; 117 SV *sv1, *sv2;
115 void *ptr1, *ptr2; 118 void *ptr1, *ptr2;
116 Stat_t *statdata;
117 off_t offs; 119 off_t offs;
118 size_t size; 120 size_t size;
119 ssize_t result; 121 ssize_t result;
120 122
121 STRLEN stroffset; 123 STRLEN stroffset;
… …
130 SV *self; /* the perl counterpart of this request, if any */ 132 SV *self; /* the perl counterpart of this request, if any */
131 struct aio_cb *grp, *grp_prev, *grp_next, *grp_first; 133 struct aio_cb *grp, *grp_prev, *grp_next, *grp_first;
132} aio_cb; 134} aio_cb;
133 135
134enum { 136enum {
135 FLAG_CANCELLED = 0x01, 137 FLAG_CANCELLED = 0x01, /* request was cancelled */
136 FLAG_DATA_RO_OFF = 0x80, /* data was set readonly */ 138 FLAG_SV1_RO_OFF = 0x40, /* data was set readonly */
139 FLAG_PTR2_FREE = 0x80, /* need to free(ptr2) */
137}; 140};
138 141
139typedef aio_cb *aio_req; 142typedef aio_cb *aio_req;
140typedef aio_cb *aio_req_ornot; 143typedef aio_cb *aio_req_ornot;
141 144
… …
156/* calculcate time difference in ~1/AIO_TICKS of a second */ 159/* calculcate time difference in ~1/AIO_TICKS of a second */
157static int tvdiff (struct timeval *tv1, struct timeval *tv2) 160static int tvdiff (struct timeval *tv1, struct timeval *tv2)
158{ 161{
159 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS 162 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
160 + ((tv2->tv_usec - tv1->tv_usec) >> 10); 163 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
164}
165
166static pthread_t main_tid;
167static int main_sig;
168static int block_sig_level;
169
170void block_sig ()
171{
172 sigset_t ss;
173
174 if (block_sig_level++)
175 return;
176
177 if (!main_sig)
178 return;
179
180 sigemptyset (&ss);
181 sigaddset (&ss, main_sig);
182 pthread_sigmask (SIG_BLOCK, &ss, 0);
183}
184
185void unblock_sig ()
186{
187 sigset_t ss;
188
189 if (--block_sig_level)
190 return;
191
192 if (!main_sig)
193 return;
194
195 sigemptyset (&ss);
196 sigaddset (&ss, main_sig);
197 pthread_sigmask (SIG_UNBLOCK, &ss, 0);
161} 198}
162 199
163static int next_pri = DEFAULT_PRI + PRI_BIAS; 200static int next_pri = DEFAULT_PRI + PRI_BIAS;
164 201
165static unsigned int started, idle, wanted; 202static unsigned int started, idle, wanted;
… …
318 355
319 abort (); 356 abort ();
320} 357}
321 358
322static int poll_cb (); 359static int poll_cb ();
323static void req_invoke (aio_req req); 360static int req_invoke (aio_req req);
324static void req_free (aio_req req); 361static void req_free (aio_req req);
325static void req_cancel (aio_req req); 362static void req_cancel (aio_req req);
326 363
327/* must be called at most once */ 364/* must be called at most once */
328static SV *req_sv (aio_req req, const char *klass) 365static SV *req_sv (aio_req req, const char *klass)
… …
348 return mg ? (aio_req)mg->mg_ptr : 0; 385 return mg ? (aio_req)mg->mg_ptr : 0;
349} 386}
350 387
351static void aio_grp_feed (aio_req grp) 388static void aio_grp_feed (aio_req grp)
352{ 389{
390 block_sig ();
391
353 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED)) 392 while (grp->size < grp->int2 && !(grp->flags & FLAG_CANCELLED))
354 { 393 {
355 int old_len = grp->size; 394 int old_len = grp->size;
356 395
357 if (grp->sv2 && SvOK (grp->sv2)) 396 if (grp->sv2 && SvOK (grp->sv2))
… …
375 SvREFCNT_dec (grp->sv2); 414 SvREFCNT_dec (grp->sv2);
376 grp->sv2 = 0; 415 grp->sv2 = 0;
377 break; 416 break;
378 } 417 }
379 } 418 }
419
420 unblock_sig ();
380} 421}
381 422
382static void aio_grp_dec (aio_req grp) 423static void aio_grp_dec (aio_req grp)
383{ 424{
384 --grp->size; 425 --grp->size;
… …
387 aio_grp_feed (grp); 428 aio_grp_feed (grp);
388 429
389 /* finish, if done */ 430 /* finish, if done */
390 if (!grp->size && grp->int1) 431 if (!grp->size && grp->int1)
391 { 432 {
433 block_sig ();
434
392 req_invoke (grp); 435 if (!req_invoke (grp))
436 {
437 req_free (grp);
438 unblock_sig ();
439 croak (0);
440 }
441
393 req_free (grp); 442 req_free (grp);
443 unblock_sig ();
394 } 444 }
395} 445}
396 446
397static void req_invoke (aio_req req) 447static int req_invoke (aio_req req)
398{ 448{
399 dSP; 449 dSP;
400 450
401 if (req->flags & FLAG_DATA_RO_OFF) 451 if (req->flags & FLAG_SV1_RO_OFF)
402 SvREADONLY_off (req->sv1); 452 SvREADONLY_off (req->sv1);
403
404 if (req->statdata)
405 {
406 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
407 PL_laststatval = req->result;
408 PL_statcache = *(req->statdata);
409 }
410 453
411 if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback)) 454 if (!(req->flags & FLAG_CANCELLED) && SvOK (req->callback))
412 { 455 {
413 ENTER; 456 ENTER;
414 SAVETMPS; 457 SAVETMPS;
… …
452 PUSHs (sv_2mortal (newSViv (req->result))); 495 PUSHs (sv_2mortal (newSViv (req->result)));
453 PUTBACK; 496 PUTBACK;
454 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL); 497 call_pv ("IO::AIO::_fd2fh", G_SCALAR | G_EVAL);
455 SPAGAIN; 498 SPAGAIN;
456 499
457 fh = SvREFCNT_inc (POPs); 500 fh = POPs;
458
459 PUSHMARK (SP); 501 PUSHMARK (SP);
460 XPUSHs (sv_2mortal (fh)); 502 XPUSHs (fh);
461 } 503 }
462 break; 504 break;
463 505
464 case REQ_GROUP: 506 case REQ_GROUP:
465 req->int1 = 2; /* mark group as finished */ 507 req->int1 = 2; /* mark group as finished */
… …
486 *SvEND (req->sv1) = 0; 528 *SvEND (req->sv1) = 0;
487 PUSHs (req->sv1); 529 PUSHs (req->sv1);
488 } 530 }
489 break; 531 break;
490 532
533 case REQ_STAT:
534 case REQ_LSTAT:
535 case REQ_FSTAT:
536 PL_laststype = req->type == REQ_LSTAT ? OP_LSTAT : OP_STAT;
537 PL_laststatval = req->result;
538 PL_statcache = *(Stat_t *)(req->ptr2);
539 PUSHs (sv_2mortal (newSViv (req->result)));
540 break;
541
491 case REQ_READ: 542 case REQ_READ:
492 SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0)); 543 SvCUR_set (req->sv1, req->stroffset + (req->result > 0 ? req->result : 0));
493 *SvEND (req->sv1) = 0; 544 *SvEND (req->sv1) = 0;
494 /* fall through */ 545 PUSHs (sv_2mortal (newSViv (req->result)));
546 break;
547
495 default: 548 default:
496 PUSHs (sv_2mortal (newSViv (req->result))); 549 PUSHs (sv_2mortal (newSViv (req->result)));
497 break; 550 break;
498 } 551 }
499 552
… …
519 grp->grp_first = req->grp_next; 572 grp->grp_first = req->grp_next;
520 573
521 aio_grp_dec (grp); 574 aio_grp_dec (grp);
522 } 575 }
523 576
524 if (SvTRUE (ERRSV)) 577 return !SvTRUE (ERRSV);
525 {
526 req_free (req);
527 croak (0);
528 }
529} 578}
530 579
531static void req_free (aio_req req) 580static void req_free (aio_req req)
532{ 581{
533 if (req->self) 582 if (req->self)
… …
538 587
539 SvREFCNT_dec (req->fh); 588 SvREFCNT_dec (req->fh);
540 SvREFCNT_dec (req->sv1); 589 SvREFCNT_dec (req->sv1);
541 SvREFCNT_dec (req->sv2); 590 SvREFCNT_dec (req->sv2);
542 SvREFCNT_dec (req->callback); 591 SvREFCNT_dec (req->callback);
543 Safefree (req->statdata);
544 592
545 if (req->type == REQ_READDIR) 593 if (req->flags & FLAG_PTR2_FREE)
546 free (req->ptr2); 594 free (req->ptr2);
547 595
548 Safefree (req); 596 Safefree (req);
549} 597}
550 598
… …
589#endif 637#endif
590 638
591 sigfillset (&fullsigset); 639 sigfillset (&fullsigset);
592 640
593 LOCK (wrklock); 641 LOCK (wrklock);
594 sigprocmask (SIG_SETMASK, &fullsigset, &oldsigset); 642 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
595 643
596 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 644 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)
597 { 645 {
598 wrk->prev = &wrk_first; 646 wrk->prev = &wrk_first;
599 wrk->next = wrk_first.next; 647 wrk->next = wrk_first.next;
… …
602 ++started; 650 ++started;
603 } 651 }
604 else 652 else
605 free (wrk); 653 free (wrk);
606 654
607 sigprocmask (SIG_SETMASK, &oldsigset, 0); 655 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
608 UNLOCK (wrklock); 656 UNLOCK (wrklock);
609} 657}
610 658
611static void maybe_start_thread () 659static void maybe_start_thread ()
612{ 660{
… …
620 start_thread (); 668 start_thread ();
621} 669}
622 670
623static void req_send (aio_req req) 671static void req_send (aio_req req)
624{ 672{
673 block_sig ();
674
625 ++nreqs; 675 ++nreqs;
626 676
627 LOCK (reqlock); 677 LOCK (reqlock);
628 ++nready; 678 ++nready;
629 reqq_push (&req_queue, req); 679 reqq_push (&req_queue, req);
630 pthread_cond_signal (&reqwait); 680 pthread_cond_signal (&reqwait);
631 UNLOCK (reqlock); 681 UNLOCK (reqlock);
682
683 unblock_sig ();
632 684
633 maybe_start_thread (); 685 maybe_start_thread ();
634} 686}
635 687
636static void end_thread (void) 688static void end_thread (void)
… …
706 struct timeval tv_start, tv_now; 758 struct timeval tv_start, tv_now;
707 aio_req req; 759 aio_req req;
708 760
709 if (max_poll_time) 761 if (max_poll_time)
710 gettimeofday (&tv_start, 0); 762 gettimeofday (&tv_start, 0);
763
764 block_sig ();
711 765
712 for (;;) 766 for (;;)
713 { 767 {
714 for (;;) 768 for (;;)
715 { 769 {
… …
743 req->int1 = 1; /* mark request as delayed */ 797 req->int1 = 1; /* mark request as delayed */
744 continue; 798 continue;
745 } 799 }
746 else 800 else
747 { 801 {
748 req_invoke (req); 802 if (!req_invoke (req))
803 {
804 req_free (req);
805 unblock_sig ();
806 croak (0);
807 }
749 808
750 count++; 809 count++;
751 } 810 }
752 811
753 req_free (req); 812 req_free (req);
… …
770 poll_wait (); 829 poll_wait ();
771 830
772 ++maxreqs; 831 ++maxreqs;
773 } 832 }
774 833
834 unblock_sig ();
775 return count; 835 return count;
776} 836}
777 837
778static void create_pipe () 838static void create_pipe ()
779{ 839{
… …
997 int errorno; 1057 int errorno;
998 1058
999 LOCK (wrklock); 1059 LOCK (wrklock);
1000 self->dirp = dirp = opendir (req->ptr1); 1060 self->dirp = dirp = opendir (req->ptr1);
1001 self->dbuf = u = malloc (sizeof (*u)); 1061 self->dbuf = u = malloc (sizeof (*u));
1062 req->flags |= FLAG_PTR2_FREE;
1002 req->ptr2 = names = malloc (memlen); 1063 req->ptr2 = names = malloc (memlen);
1003 UNLOCK (wrklock); 1064 UNLOCK (wrklock);
1004 1065
1005 if (dirp && u && names) 1066 if (dirp && u && names)
1006 for (;;) 1067 for (;;)
… …
1102 case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break; 1163 case REQ_WRITE: req->result = pwrite (req->int1, req->ptr1, req->size, req->offs); break;
1103 1164
1104 case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break; 1165 case REQ_READAHEAD: req->result = readahead (req->int1, req->offs, req->size); break;
1105 case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break; 1166 case REQ_SENDFILE: req->result = sendfile_ (req->int1, req->int2, req->offs, req->size, self); break;
1106 1167
1107 case REQ_STAT: req->result = stat (req->ptr1, req->statdata); break; 1168 case REQ_STAT: req->result = stat (req->ptr1, (Stat_t *)req->ptr2); break;
1108 case REQ_LSTAT: req->result = lstat (req->ptr1, req->statdata); break; 1169 case REQ_LSTAT: req->result = lstat (req->ptr1, (Stat_t *)req->ptr2); break;
1109 case REQ_FSTAT: req->result = fstat (req->int1, req->statdata); break; 1170 case REQ_FSTAT: req->result = fstat (req->int1, (Stat_t *)req->ptr2); break;
1110 1171
1111 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break; 1172 case REQ_OPEN: req->result = open (req->ptr1, req->int1, req->mode); break;
1112 case REQ_CLOSE: req->result = close (req->int1); break; 1173 case REQ_CLOSE: req->result = close (req->int1); break;
1113 case REQ_UNLINK: req->result = unlink (req->ptr1); break; 1174 case REQ_UNLINK: req->result = unlink (req->ptr1); break;
1114 case REQ_RMDIR: req->result = rmdir (req->ptr1); break; 1175 case REQ_RMDIR: req->result = rmdir (req->ptr1); break;
… …
1149 LOCK (reslock); 1210 LOCK (reslock);
1150 1211
1151 ++npending; 1212 ++npending;
1152 1213
1153 if (!reqq_push (&res_queue, req)) 1214 if (!reqq_push (&res_queue, req))
1215 {
1154 /* write a dummy byte to the pipe so fh becomes ready */ 1216 /* write a dummy byte to the pipe so fh becomes ready */
1155 write (respipe [1], &respipe, 1); 1217 write (respipe [1], &respipe, 1);
1218
1219 /* optionally signal the main thread asynchronously */
1220 if (main_sig)
1221 pthread_kill (main_tid, main_sig);
1222 }
1156 1223
1157 self->req = 0; 1224 self->req = 0;
1158 worker_clear (self); 1225 worker_clear (self);
1159 1226
1160 UNLOCK (reslock); 1227 UNLOCK (reslock);
… …
1263 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY)); 1330 newCONSTSUB (stash, "O_RDONLY", newSViv (O_RDONLY));
1264 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY)); 1331 newCONSTSUB (stash, "O_WRONLY", newSViv (O_WRONLY));
1265 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT)); 1332 newCONSTSUB (stash, "O_CREAT", newSViv (O_CREAT));
1266 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC)); 1333 newCONSTSUB (stash, "O_TRUNC", newSViv (O_TRUNC));
1267 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO)); 1334 newCONSTSUB (stash, "S_IFIFO", newSViv (S_IFIFO));
1335 newCONSTSUB (stash, "SIGIO", newSViv (SIGIO));
1268 1336
1269 create_pipe (); 1337 create_pipe ();
1270 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1338 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
1271} 1339}
1272 1340
… …
1305 OUTPUT: 1373 OUTPUT:
1306 RETVAL 1374 RETVAL
1307 1375
1308void 1376void
1309aio_open (pathname,flags,mode,callback=&PL_sv_undef) 1377aio_open (pathname,flags,mode,callback=&PL_sv_undef)
1310 SV * pathname 1378 SV8 * pathname
1311 int flags 1379 int flags
1312 int mode 1380 int mode
1313 SV * callback 1381 SV * callback
1314 PROTOTYPE: $$$;$ 1382 PROTOTYPE: $$$;$
1315 PPCODE: 1383 PPCODE:
1316{ 1384{
1317 dREQ; 1385 dREQ;
1318 1386
1319 req->type = REQ_OPEN; 1387 req->type = REQ_OPEN;
1320 req->sv1 = newSVsv (pathname); 1388 req->sv1 = newSVsv (pathname);
1321 req->ptr1 = SvPVbyte_nolen (pathname); 1389 req->ptr1 = SvPVbyte_nolen (req->sv1);
1322 req->int1 = flags; 1390 req->int1 = flags;
1323 req->mode = mode; 1391 req->mode = mode;
1324 1392
1325 REQ_SEND; 1393 REQ_SEND;
1326} 1394}
… …
1348void 1416void
1349aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef) 1417aio_read (fh,offset,length,data,dataoffset,callback=&PL_sv_undef)
1350 SV * fh 1418 SV * fh
1351 UV offset 1419 UV offset
1352 UV length 1420 UV length
1353 SV * data 1421 SV8 * data
1354 UV dataoffset 1422 UV dataoffset
1355 SV * callback 1423 SV * callback
1356 ALIAS: 1424 ALIAS:
1357 aio_read = REQ_READ 1425 aio_read = REQ_READ
1358 aio_write = REQ_WRITE 1426 aio_write = REQ_WRITE
… …
1400 req->stroffset = dataoffset; 1468 req->stroffset = dataoffset;
1401 1469
1402 if (!SvREADONLY (data)) 1470 if (!SvREADONLY (data))
1403 { 1471 {
1404 SvREADONLY_on (data); 1472 SvREADONLY_on (data);
1405 req->flags |= FLAG_DATA_RO_OFF; 1473 req->flags |= FLAG_SV1_RO_OFF;
1406 } 1474 }
1407 1475
1408 REQ_SEND; 1476 REQ_SEND;
1409 } 1477 }
1410} 1478}
1411 1479
1412void 1480void
1413aio_readlink (path,callback=&PL_sv_undef) 1481aio_readlink (path,callback=&PL_sv_undef)
1414 SV * path 1482 SV8 * path
1415 SV * callback 1483 SV * callback
1416 PROTOTYPE: $$;$ 1484 PROTOTYPE: $$;$
1417 PPCODE: 1485 PPCODE:
1418{ 1486{
1419 SV *data; 1487 SV *data;
… …
1422 data = newSV (NAME_MAX); 1490 data = newSV (NAME_MAX);
1423 SvPOK_on (data); 1491 SvPOK_on (data);
1424 1492
1425 req->type = REQ_READLINK; 1493 req->type = REQ_READLINK;
1426 req->fh = newSVsv (path); 1494 req->fh = newSVsv (path);
1427 req->ptr2 = SvPVbyte_nolen (path); 1495 req->ptr2 = SvPVbyte_nolen (req->fh);
1428 req->sv1 = data; 1496 req->sv1 = data;
1429 req->ptr1 = SvPVbyte_nolen (data); 1497 req->ptr1 = SvPVbyte_nolen (data);
1430 1498
1431 REQ_SEND; 1499 REQ_SEND;
1432} 1500}
… …
1474 REQ_SEND; 1542 REQ_SEND;
1475} 1543}
1476 1544
1477void 1545void
1478aio_stat (fh_or_path,callback=&PL_sv_undef) 1546aio_stat (fh_or_path,callback=&PL_sv_undef)
1479 SV * fh_or_path 1547 SV8 * fh_or_path
1480 SV * callback 1548 SV * callback
1481 ALIAS: 1549 ALIAS:
1482 aio_stat = REQ_STAT 1550 aio_stat = REQ_STAT
1483 aio_lstat = REQ_LSTAT 1551 aio_lstat = REQ_LSTAT
1484 PPCODE: 1552 PPCODE:
1485{ 1553{
1486 dREQ; 1554 dREQ;
1487 1555
1488 New (0, req->statdata, 1, Stat_t); 1556 req->ptr2 = malloc (sizeof (Stat_t));
1489 if (!req->statdata) 1557 if (!req->ptr2)
1490 { 1558 {
1491 req_free (req); 1559 req_free (req);
1492 croak ("out of memory during aio_req->statdata allocation"); 1560 croak ("out of memory during aio_stat statdata allocation");
1493 } 1561 }
1562
1563 req->flags |= FLAG_PTR2_FREE;
1494 1564
1495 if (SvPOK (fh_or_path)) 1565 if (SvPOK (fh_or_path))
1496 { 1566 {
1497 req->type = ix; 1567 req->type = ix;
1498 req->sv1 = newSVsv (fh_or_path); 1568 req->sv1 = newSVsv (fh_or_path);
1499 req->ptr1 = SvPVbyte_nolen (fh_or_path); 1569 req->ptr1 = SvPVbyte_nolen (req->sv1);
1500 } 1570 }
1501 else 1571 else
1502 { 1572 {
1503 req->type = REQ_FSTAT; 1573 req->type = REQ_FSTAT;
1504 req->fh = newSVsv (fh_or_path); 1574 req->fh = newSVsv (fh_or_path);
… …
1508 REQ_SEND; 1578 REQ_SEND;
1509} 1579}
1510 1580
1511void 1581void
1512aio_unlink (pathname,callback=&PL_sv_undef) 1582aio_unlink (pathname,callback=&PL_sv_undef)
1513 SV * pathname 1583 SV8 * pathname
1514 SV * callback 1584 SV * callback
1515 ALIAS: 1585 ALIAS:
1516 aio_unlink = REQ_UNLINK 1586 aio_unlink = REQ_UNLINK
1517 aio_rmdir = REQ_RMDIR 1587 aio_rmdir = REQ_RMDIR
1518 aio_readdir = REQ_READDIR 1588 aio_readdir = REQ_READDIR
… …
1520{ 1590{
1521 dREQ; 1591 dREQ;
1522 1592
1523 req->type = ix; 1593 req->type = ix;
1524 req->sv1 = newSVsv (pathname); 1594 req->sv1 = newSVsv (pathname);
1525 req->ptr1 = SvPVbyte_nolen (pathname); 1595 req->ptr1 = SvPVbyte_nolen (req->sv1);
1526 1596
1527 REQ_SEND; 1597 REQ_SEND;
1528} 1598}
1529 1599
1530void 1600void
1531aio_link (oldpath,newpath,callback=&PL_sv_undef) 1601aio_link (oldpath,newpath,callback=&PL_sv_undef)
1532 SV * oldpath 1602 SV8 * oldpath
1533 SV * newpath 1603 SV8 * newpath
1534 SV * callback 1604 SV * callback
1535 ALIAS: 1605 ALIAS:
1536 aio_link = REQ_LINK 1606 aio_link = REQ_LINK
1537 aio_symlink = REQ_SYMLINK 1607 aio_symlink = REQ_SYMLINK
1538 aio_rename = REQ_RENAME 1608 aio_rename = REQ_RENAME
… …
1542 1612
1543 req->type = ix; 1613 req->type = ix;
1544 req->fh = newSVsv (oldpath); 1614 req->fh = newSVsv (oldpath);
1545 req->ptr2 = SvPVbyte_nolen (req->fh); 1615 req->ptr2 = SvPVbyte_nolen (req->fh);
1546 req->sv1 = newSVsv (newpath); 1616 req->sv1 = newSVsv (newpath);
1547 req->ptr1 = SvPVbyte_nolen (newpath); 1617 req->ptr1 = SvPVbyte_nolen (req->sv1);
1548 1618
1549 REQ_SEND; 1619 REQ_SEND;
1550} 1620}
1551 1621
1552void 1622void
1553aio_mknod (pathname,mode,dev,callback=&PL_sv_undef) 1623aio_mknod (pathname,mode,dev,callback=&PL_sv_undef)
1554 SV * pathname 1624 SV8 * pathname
1555 SV * callback 1625 SV * callback
1556 UV mode 1626 UV mode
1557 UV dev 1627 UV dev
1558 PPCODE: 1628 PPCODE:
1559{ 1629{
1560 dREQ; 1630 dREQ;
1561 1631
1562 req->type = REQ_MKNOD; 1632 req->type = REQ_MKNOD;
1563 req->sv1 = newSVsv (pathname); 1633 req->sv1 = newSVsv (pathname);
1564 req->ptr1 = SvPVbyte_nolen (pathname); 1634 req->ptr1 = SvPVbyte_nolen (req->sv1);
1565 req->mode = (mode_t)mode; 1635 req->mode = (mode_t)mode;
1566 req->offs = dev; 1636 req->offs = dev;
1567 1637
1568 REQ_SEND; 1638 REQ_SEND;
1569} 1639}
… …
1636 PROTOTYPE: 1706 PROTOTYPE:
1637 CODE: 1707 CODE:
1638 while (nreqs) 1708 while (nreqs)
1639 { 1709 {
1640 poll_wait (); 1710 poll_wait ();
1641 poll_cb (0); 1711 poll_cb ();
1642 } 1712 }
1643 1713
1644void 1714int
1645poll() 1715poll()
1646 PROTOTYPE: 1716 PROTOTYPE:
1647 CODE: 1717 CODE:
1648 if (nreqs)
1649 {
1650 poll_wait (); 1718 poll_wait ();
1651 poll_cb (0); 1719 RETVAL = poll_cb ();
1652 } 1720 OUTPUT:
1721 RETVAL
1653 1722
1654int 1723int
1655poll_fileno() 1724poll_fileno()
1656 PROTOTYPE: 1725 PROTOTYPE:
1657 CODE: 1726 CODE:
… …
1669 1738
1670void 1739void
1671poll_wait() 1740poll_wait()
1672 PROTOTYPE: 1741 PROTOTYPE:
1673 CODE: 1742 CODE:
1674 if (nreqs)
1675 poll_wait (); 1743 poll_wait ();
1744
1745void
1746setsig (int signum = SIGIO)
1747 PROTOTYPE: ;$
1748 CODE:
1749{
1750 if (block_sig_level)
1751 croak ("cannot call IO::AIO::setsig from within aio_block/callback");
1752
1753 LOCK (reslock);
1754 main_tid = pthread_self ();
1755 main_sig = signum;
1756 UNLOCK (reslock);
1757
1758 if (main_sig && npending)
1759 pthread_kill (main_tid, main_sig);
1760}
1761
1762void
1763aio_block (SV *cb)
1764 PROTOTYPE: &
1765 PPCODE:
1766{
1767 int count;
1768
1769 block_sig ();
1770 PUSHMARK (SP);
1771 PUTBACK;
1772 count = call_sv (cb, GIMME_V | G_NOARGS | G_EVAL);
1773 SPAGAIN;
1774 unblock_sig ();
1775
1776 if (SvTRUE (ERRSV))
1777 croak (0);
1778
1779 XSRETURN (count);
1780}
1676 1781
1677int 1782int
1678nreqs() 1783nreqs()
1679 PROTOTYPE: 1784 PROTOTYPE:
1680 CODE: 1785 CODE:
… …
1730 PPCODE: 1835 PPCODE:
1731{ 1836{
1732 int i; 1837 int i;
1733 aio_req req; 1838 aio_req req;
1734 1839
1840 if (main_sig && !block_sig_level)
1841 croak ("aio_group->add called outside aio_block/callback context while IO::AIO::setsig is in use");
1842
1735 if (grp->int1 == 2) 1843 if (grp->int1 == 2)
1736 croak ("cannot add requests to IO::AIO::GRP after the group finished"); 1844 croak ("cannot add requests to IO::AIO::GRP after the group finished");
1737 1845
1738 for (i = 1; i < items; ++i ) 1846 for (i = 1; i < items; ++i )
1739 { 1847 {

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