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Comparing BDB/BDB.xs (file contents):
Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs.
Revision 1.21 by root, Thu Dec 6 02:44:48 2007 UTC

4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
9// perl stupidly defines these as macros, breaking
10// lots and lots of code.
11#undef open
12#undef close
13#undef abort
14#undef malloc
15#undef free
16#undef send
17
9#include <stddef.h> 18#include <stddef.h>
10#include <stdlib.h> 19#include <stdlib.h>
11#include <errno.h> 20#include <errno.h>
12#include <sys/time.h>
13#include <sys/types.h> 21#include <sys/types.h>
14#include <limits.h> 22#include <limits.h>
15#include <unistd.h>
16#include <fcntl.h> 23#include <fcntl.h>
17 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
18#include <db.h> 30#include <db.h>
19 31
20#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5) 32#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
21# error you need Berkeley DB 4.5 or newer installed 33# error you need Berkeley DB 4.4 or newer installed
22#endif 34#endif
23 35
24/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
25#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
26 38
33typedef SV SV8; /* byte-sv, used for argument-checking */ 45typedef SV SV8; /* byte-sv, used for argument-checking */
34typedef char *octetstring; 46typedef char *octetstring;
35 47
36static SV *prepare_cb; 48static SV *prepare_cb;
37 49
50#if DB_VERSION_MINOR >= 6
51# define c_close close
52# define c_count count
53# define c_del del
54# define c_dup dup
55# define c_get get
56# define c_pget pget
57# define c_put put
58#endif
59
60static void
61debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62{
63 printf ("err[%s]\n", msg);
64}
65
66static void
67debug_msgcall (const DB_ENV *dbenv, const char *msg)
68{
69 printf ("msg[%s]\n", msg);
70}
71
38static inline char * 72static char *
39strdup_ornull (const char *s) 73strdup_ornull (const char *s)
40{ 74{
41 return s ? strdup (s) : 0; 75 return s ? strdup (s) : 0;
42} 76}
43 77
44static inline void 78static void
45sv_to_dbt (DBT *dbt, SV *sv) 79sv_to_dbt (DBT *dbt, SV *sv)
46{ 80{
47 STRLEN len; 81 STRLEN len;
48 char *data = SvPVbyte (sv, len); 82 char *data = SvPVbyte (sv, len);
49 83
51 memcpy (dbt->data, data, len); 85 memcpy (dbt->data, data, len);
52 dbt->size = len; 86 dbt->size = len;
53 dbt->flags = DB_DBT_REALLOC; 87 dbt->flags = DB_DBT_REALLOC;
54} 88}
55 89
56static inline void 90static void
57dbt_to_sv (SV *sv, DBT *dbt) 91dbt_to_sv (SV *sv, DBT *dbt)
58{ 92{
59 if (sv) 93 if (sv)
60 { 94 {
61 SvREADONLY_off (sv); 95 SvREADONLY_off (sv);
70 REQ_QUIT, 104 REQ_QUIT,
71 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 105 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 106 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
73 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, 107 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
74 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, 108 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75 REQ_TXN_COMMIT, REQ_TXN_ABORT, 109 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
76 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 110 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
77 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, 111 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78}; 112};
79 113
80typedef struct aio_cb 114typedef struct aio_cb
126static int next_pri = DEFAULT_PRI + PRI_BIAS; 160static int next_pri = DEFAULT_PRI + PRI_BIAS;
127 161
128static unsigned int started, idle, wanted; 162static unsigned int started, idle, wanted;
129 163
130/* worker threads management */ 164/* worker threads management */
131static mutex_t wrklock = MUTEX_INIT; 165static mutex_t wrklock = X_MUTEX_INIT;
132 166
133typedef struct worker { 167typedef struct worker {
134 /* locked by wrklock */ 168 /* locked by wrklock */
135 struct worker *prev, *next; 169 struct worker *prev, *next;
136 170
157} 191}
158 192
159static volatile unsigned int nreqs, nready, npending; 193static volatile unsigned int nreqs, nready, npending;
160static volatile unsigned int max_idle = 4; 194static volatile unsigned int max_idle = 4;
161static volatile unsigned int max_outstanding = 0xffffffff; 195static volatile unsigned int max_outstanding = 0xffffffff;
162static int respipe [2]; 196static int respipe_osf [2], respipe [2] = { -1, -1 };
163 197
164static mutex_t reslock = MUTEX_INIT; 198static mutex_t reslock = X_MUTEX_INIT;
165static mutex_t reqlock = MUTEX_INIT; 199static mutex_t reqlock = X_MUTEX_INIT;
166static cond_t reqwait = COND_INIT; 200static cond_t reqwait = X_COND_INIT;
167 201
168#if WORDACCESS_UNSAFE 202#if WORDACCESS_UNSAFE
169 203
170static unsigned int get_nready () 204static unsigned int get_nready ()
171{ 205{
172 unsigned int retval; 206 unsigned int retval;
173 207
174 LOCK (reqlock); 208 X_LOCK (reqlock);
175 retval = nready; 209 retval = nready;
176 UNLOCK (reqlock); 210 X_UNLOCK (reqlock);
177 211
178 return retval; 212 return retval;
179} 213}
180 214
181static unsigned int get_npending () 215static unsigned int get_npending ()
182{ 216{
183 unsigned int retval; 217 unsigned int retval;
184 218
185 LOCK (reslock); 219 X_LOCK (reslock);
186 retval = npending; 220 retval = npending;
187 UNLOCK (reslock); 221 X_UNLOCK (reslock);
188 222
189 return retval; 223 return retval;
190} 224}
191 225
192static unsigned int get_nthreads () 226static unsigned int get_nthreads ()
193{ 227{
194 unsigned int retval; 228 unsigned int retval;
195 229
196 LOCK (wrklock); 230 X_LOCK (wrklock);
197 retval = started; 231 retval = started;
198 UNLOCK (wrklock); 232 X_UNLOCK (wrklock);
199 233
200 return retval; 234 return retval;
201} 235}
202 236
203#else 237#else
310 344
311 case REQ_SEQ_GET: 345 case REQ_SEQ_GET:
312 SvREADONLY_off (req->sv1); 346 SvREADONLY_off (req->sv1);
313 347
314 if (sizeof (IV) > 4) 348 if (sizeof (IV) > 4)
315 sv_setiv_mg (req->sv1, req->seq_t); 349 sv_setiv_mg (req->sv1, (IV)req->seq_t);
316 else 350 else
317 sv_setnv_mg (req->sv1, req->seq_t); 351 sv_setnv_mg (req->sv1, (NV)req->seq_t);
318 352
319 SvREFCNT_dec (req->sv1); 353 SvREFCNT_dec (req->sv1);
320 break; 354 break;
321 } 355 }
322 356
338 free (req->buf1); 372 free (req->buf1);
339 free (req->buf2); 373 free (req->buf2);
340 Safefree (req); 374 Safefree (req);
341} 375}
342 376
343static void *aio_proc (void *arg); 377#ifdef USE_SOCKETS_AS_HANDLES
378# define TO_SOCKET(x) (win32_get_osfhandle (x))
379#else
380# define TO_SOCKET(x) (x)
381#endif
382
383static void
384create_respipe ()
385{
386#ifdef _WIN32
387 int arg; /* argg */
388#endif
389 int old_readfd = respipe [0];
390
391 if (respipe [1] >= 0)
392 respipe_close (TO_SOCKET (respipe [1]));
393
394#ifdef _WIN32
395 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
396#else
397 if (pipe (respipe))
398#endif
399 croak ("unable to initialize result pipe");
400
401 if (old_readfd >= 0)
402 {
403 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
404 croak ("unable to initialize result pipe(2)");
405
406 respipe_close (respipe [0]);
407 respipe [0] = old_readfd;
408 }
409
410#ifdef _WIN32
411 arg = 1;
412 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
413 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
414#else
415 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
416 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
417#endif
418 croak ("unable to initialize result pipe(3)");
419
420 respipe_osf [0] = TO_SOCKET (respipe [0]);
421 respipe_osf [1] = TO_SOCKET (respipe [1]);
422}
423
424X_THREAD_PROC (bdb_proc);
344 425
345static void start_thread (void) 426static void start_thread (void)
346{ 427{
347 worker *wrk = calloc (1, sizeof (worker)); 428 worker *wrk = calloc (1, sizeof (worker));
348 429
349 if (!wrk) 430 if (!wrk)
350 croak ("unable to allocate worker thread data"); 431 croak ("unable to allocate worker thread data");
351 432
352 LOCK (wrklock); 433 X_LOCK (wrklock);
353 if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) 434 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354 { 435 {
355 wrk->prev = &wrk_first; 436 wrk->prev = &wrk_first;
356 wrk->next = wrk_first.next; 437 wrk->next = wrk_first.next;
357 wrk_first.next->prev = wrk; 438 wrk_first.next->prev = wrk;
358 wrk_first.next = wrk; 439 wrk_first.next = wrk;
359 ++started; 440 ++started;
360 } 441 }
361 else 442 else
362 free (wrk); 443 free (wrk);
363 444
364 UNLOCK (wrklock); 445 X_UNLOCK (wrklock);
365} 446}
366 447
367static void maybe_start_thread () 448static void maybe_start_thread ()
368{ 449{
369 if (get_nthreads () >= wanted) 450 if (get_nthreads () >= wanted)
381 SV *wait_callback = 0; 462 SV *wait_callback = 0;
382 463
383 // synthesize callback if none given 464 // synthesize callback if none given
384 if (!SvOK (req->callback)) 465 if (!SvOK (req->callback))
385 { 466 {
467 int count;
468
386 dSP; 469 dSP;
387 PUSHMARK (SP); 470 PUSHMARK (SP);
388 PUTBACK; 471 PUTBACK;
389 int count = call_sv (prepare_cb, G_ARRAY); 472 count = call_sv (prepare_cb, G_ARRAY);
390 SPAGAIN; 473 SPAGAIN;
391 474
392 if (count != 2) 475 if (count != 2)
393 croak ("prepare callback must return exactly two values\n"); 476 croak ("prepare callback must return exactly two values\n");
394 477
397 req->callback = SvREFCNT_inc (POPs); 480 req->callback = SvREFCNT_inc (POPs);
398 } 481 }
399 482
400 ++nreqs; 483 ++nreqs;
401 484
402 LOCK (reqlock); 485 X_LOCK (reqlock);
403 ++nready; 486 ++nready;
404 reqq_push (&req_queue, req); 487 reqq_push (&req_queue, req);
405 COND_SIGNAL (reqwait); 488 X_COND_SIGNAL (reqwait);
406 UNLOCK (reqlock); 489 X_UNLOCK (reqlock);
407 490
408 maybe_start_thread (); 491 maybe_start_thread ();
409 492
410 if (wait_callback) 493 if (wait_callback)
411 { 494 {
424 Newz (0, req, 1, aio_cb); 507 Newz (0, req, 1, aio_cb);
425 508
426 req->type = REQ_QUIT; 509 req->type = REQ_QUIT;
427 req->pri = PRI_MAX + PRI_BIAS; 510 req->pri = PRI_MAX + PRI_BIAS;
428 511
429 LOCK (reqlock); 512 X_LOCK (reqlock);
430 reqq_push (&req_queue, req); 513 reqq_push (&req_queue, req);
431 COND_SIGNAL (reqwait); 514 X_COND_SIGNAL (reqwait);
432 UNLOCK (reqlock); 515 X_UNLOCK (reqlock);
433 516
434 LOCK (wrklock); 517 X_LOCK (wrklock);
435 --started; 518 --started;
436 UNLOCK (wrklock); 519 X_UNLOCK (wrklock);
437} 520}
438 521
439static void set_max_idle (int nthreads) 522static void set_max_idle (int nthreads)
440{ 523{
441 if (WORDACCESS_UNSAFE) LOCK (reqlock); 524 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442 max_idle = nthreads <= 0 ? 1 : nthreads; 525 max_idle = nthreads <= 0 ? 1 : nthreads;
443 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 526 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444} 527}
445 528
446static void min_parallel (int nthreads) 529static void min_parallel (int nthreads)
447{ 530{
448 if (wanted < nthreads) 531 if (wanted < nthreads)
463 fd_set rfd; 546 fd_set rfd;
464 547
465 while (nreqs) 548 while (nreqs)
466 { 549 {
467 int size; 550 int size;
468 if (WORDACCESS_UNSAFE) LOCK (reslock); 551 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469 size = res_queue.size; 552 size = res_queue.size;
470 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 553 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471 554
472 if (size) 555 if (size)
473 return; 556 return;
474 557
475 maybe_start_thread (); 558 maybe_start_thread ();
476 559
477 FD_ZERO(&rfd); 560 FD_ZERO (&rfd);
478 FD_SET(respipe [0], &rfd); 561 FD_SET (respipe [0], &rfd);
479 562
480 select (respipe [0] + 1, &rfd, 0, 0, 0); 563 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481 } 564 }
482} 565}
483 566
484static int poll_cb () 567static int poll_cb ()
485{ 568{
497 { 580 {
498 for (;;) 581 for (;;)
499 { 582 {
500 maybe_start_thread (); 583 maybe_start_thread ();
501 584
502 LOCK (reslock); 585 X_LOCK (reslock);
503 req = reqq_shift (&res_queue); 586 req = reqq_shift (&res_queue);
504 587
505 if (req) 588 if (req)
506 { 589 {
507 --npending; 590 --npending;
508 591
509 if (!res_queue.size) 592 if (!res_queue.size)
510 { 593 {
511 /* read any signals sent by the worker threads */ 594 /* read any signals sent by the worker threads */
512 char buf [4]; 595 char buf [4];
513 while (read (respipe [0], buf, 4) == 4) 596 while (respipe_read (respipe [0], buf, 4) == 4)
514 ; 597 ;
515 } 598 }
516 } 599 }
517 600
518 UNLOCK (reslock); 601 X_UNLOCK (reslock);
519 602
520 if (!req) 603 if (!req)
521 break; 604 break;
522 605
523 --nreqs; 606 --nreqs;
553 } 636 }
554 637
555 return count; 638 return count;
556} 639}
557 640
558static void create_pipe ()
559{
560 if (pipe (respipe))
561 croak ("unable to initialize result pipe");
562
563 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
564 croak ("cannot set result pipe to nonblocking mode");
565
566 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
567 croak ("cannot set result pipe to nonblocking mode");
568}
569
570/*****************************************************************************/ 641/*****************************************************************************/
571 642
572static void *aio_proc (void *thr_arg) 643X_THREAD_PROC (bdb_proc)
573{ 644{
574 aio_req req; 645 aio_req req;
575 struct timespec ts; 646 struct timespec ts;
576 worker *self = (worker *)thr_arg; 647 worker *self = (worker *)thr_arg;
577 648
578 /* try to distribute timeouts somewhat evenly */ 649 /* try to distribute timeouts somewhat evenly */
579 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 650 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580 * (1000000000UL / 1024UL);
581 651
582 for (;;) 652 for (;;)
583 { 653 {
584 ts.tv_sec = time (0) + IDLE_TIMEOUT; 654 ts.tv_sec = time (0) + IDLE_TIMEOUT;
585 655
586 LOCK (reqlock); 656 X_LOCK (reqlock);
587 657
588 for (;;) 658 for (;;)
589 { 659 {
590 self->req = req = reqq_shift (&req_queue); 660 self->req = req = reqq_shift (&req_queue);
591 661
592 if (req) 662 if (req)
593 break; 663 break;
594 664
595 ++idle; 665 ++idle;
596 666
597 if (COND_TIMEDWAIT (reqwait, reqlock, ts) 667 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598 == ETIMEDOUT) 668 == ETIMEDOUT)
599 { 669 {
600 if (idle > max_idle) 670 if (idle > max_idle)
601 { 671 {
602 --idle; 672 --idle;
603 UNLOCK (reqlock); 673 X_UNLOCK (reqlock);
604 LOCK (wrklock); 674 X_LOCK (wrklock);
605 --started; 675 --started;
606 UNLOCK (wrklock); 676 X_UNLOCK (wrklock);
607 goto quit; 677 goto quit;
608 } 678 }
609 679
610 /* we are allowed to idle, so do so without any timeout */ 680 /* we are allowed to idle, so do so without any timeout */
611 COND_WAIT (reqwait, reqlock); 681 X_COND_WAIT (reqwait, reqlock);
612 ts.tv_sec = time (0) + IDLE_TIMEOUT; 682 ts.tv_sec = time (0) + IDLE_TIMEOUT;
613 } 683 }
614 684
615 --idle; 685 --idle;
616 } 686 }
617 687
618 --nready; 688 --nready;
619 689
620 UNLOCK (reqlock); 690 X_UNLOCK (reqlock);
621 691
622 switch (req->type) 692 switch (req->type)
623 { 693 {
624 case REQ_QUIT: 694 case REQ_QUIT:
695 req->result = ENOSYS;
625 goto quit; 696 goto quit;
626 697
627 case REQ_ENV_OPEN: 698 case REQ_ENV_OPEN:
628 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 699 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
629 break; 700 break;
688 req->result = req->txn->commit (req->txn, req->uint1); 759 req->result = req->txn->commit (req->txn, req->uint1);
689 break; 760 break;
690 761
691 case REQ_TXN_ABORT: 762 case REQ_TXN_ABORT:
692 req->result = req->txn->abort (req->txn); 763 req->result = req->txn->abort (req->txn);
764 break;
765
766 case REQ_TXN_FINISH:
767 if (req->txn->flags & TXN_DEADLOCK)
768 {
769 req->result = req->txn->abort (req->txn);
770 if (!req->result)
771 req->result = DB_LOCK_DEADLOCK;
772 }
773 else
774 req->result = req->txn->commit (req->txn, req->uint1);
693 break; 775 break;
694 776
695 case REQ_C_CLOSE: 777 case REQ_C_CLOSE:
696 req->result = req->dbc->c_close (req->dbc); 778 req->result = req->dbc->c_close (req->dbc);
697 break; 779 break;
739 default: 821 default:
740 req->result = ENOSYS; 822 req->result = ENOSYS;
741 break; 823 break;
742 } 824 }
743 825
826 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
827 req->txn->flags |= TXN_DEADLOCK;
828
744 LOCK (reslock); 829 X_LOCK (reslock);
745 830
746 ++npending; 831 ++npending;
747 832
748 if (!reqq_push (&res_queue, req)) 833 if (!reqq_push (&res_queue, req))
749 /* write a dummy byte to the pipe so fh becomes ready */ 834 /* write a dummy byte to the pipe so fh becomes ready */
750 write (respipe [1], &respipe, 1); 835 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751 836
752 self->req = 0; 837 self->req = 0;
753 worker_clear (self); 838 worker_clear (self);
754 839
755 UNLOCK (reslock); 840 X_UNLOCK (reslock);
756 } 841 }
757 842
758quit: 843quit:
759 LOCK (wrklock); 844 X_LOCK (wrklock);
760 worker_free (self); 845 worker_free (self);
761 UNLOCK (wrklock); 846 X_UNLOCK (wrklock);
762 847
763 return 0; 848 return 0;
764} 849}
765 850
766/*****************************************************************************/ 851/*****************************************************************************/
767 852
768static void atfork_prepare (void) 853static void atfork_prepare (void)
769{ 854{
770 LOCK (wrklock); 855 X_LOCK (wrklock);
771 LOCK (reqlock); 856 X_LOCK (reqlock);
772 LOCK (reslock); 857 X_LOCK (reslock);
773} 858}
774 859
775static void atfork_parent (void) 860static void atfork_parent (void)
776{ 861{
777 UNLOCK (reslock); 862 X_UNLOCK (reslock);
778 UNLOCK (reqlock); 863 X_UNLOCK (reqlock);
779 UNLOCK (wrklock); 864 X_UNLOCK (wrklock);
780} 865}
781 866
782static void atfork_child (void) 867static void atfork_child (void)
783{ 868{
784 aio_req prv; 869 aio_req prv;
804 idle = 0; 889 idle = 0;
805 nreqs = 0; 890 nreqs = 0;
806 nready = 0; 891 nready = 0;
807 npending = 0; 892 npending = 0;
808 893
809 close (respipe [0]);
810 close (respipe [1]);
811 create_pipe (); 894 create_respipe ();
812 895
813 atfork_parent (); 896 atfork_parent ();
814} 897}
815 898
816#define dREQ(reqtype) \ 899#define dREQ(reqtype) \
880 const_iv (INIT_TXN) 963 const_iv (INIT_TXN)
881 const_iv (RECOVER) 964 const_iv (RECOVER)
882 const_iv (INIT_TXN) 965 const_iv (INIT_TXN)
883 const_iv (RECOVER_FATAL) 966 const_iv (RECOVER_FATAL)
884 const_iv (CREATE) 967 const_iv (CREATE)
968 const_iv (RDONLY)
885 const_iv (USE_ENVIRON) 969 const_iv (USE_ENVIRON)
886 const_iv (USE_ENVIRON_ROOT) 970 const_iv (USE_ENVIRON_ROOT)
887 const_iv (LOCKDOWN) 971 const_iv (LOCKDOWN)
888 const_iv (PRIVATE) 972 const_iv (PRIVATE)
889 const_iv (REGISTER) 973 const_iv (REGISTER)
895 const_iv (DSYNC_DB) 979 const_iv (DSYNC_DB)
896 const_iv (DSYNC_LOG) 980 const_iv (DSYNC_LOG)
897 const_iv (LOG_AUTOREMOVE) 981 const_iv (LOG_AUTOREMOVE)
898 const_iv (LOG_INMEMORY) 982 const_iv (LOG_INMEMORY)
899 const_iv (NOLOCKING) 983 const_iv (NOLOCKING)
900 const_iv (MULTIVERSION)
901 const_iv (NOMMAP) 984 const_iv (NOMMAP)
902 const_iv (NOPANIC) 985 const_iv (NOPANIC)
903 const_iv (OVERWRITE) 986 const_iv (OVERWRITE)
904 const_iv (PANIC_ENVIRONMENT) 987 const_iv (PANIC_ENVIRONMENT)
905 const_iv (REGION_INIT) 988 const_iv (REGION_INIT)
906 const_iv (TIME_NOTGRANTED) 989 const_iv (TIME_NOTGRANTED)
907 const_iv (TXN_NOSYNC) 990 const_iv (TXN_NOSYNC)
908 const_iv (TXN_SNAPSHOT) 991 const_iv (TXN_NOT_DURABLE)
909 const_iv (TXN_WRITE_NOSYNC) 992 const_iv (TXN_WRITE_NOSYNC)
910 const_iv (WRITECURSOR) 993 const_iv (WRITECURSOR)
911 const_iv (YIELDCPU) 994 const_iv (YIELDCPU)
912 const_iv (ENCRYPT_AES) 995 const_iv (ENCRYPT_AES)
913 const_iv (XA_CREATE) 996 const_iv (XA_CREATE)
921 const_iv (READ_UNCOMMITTED) 1004 const_iv (READ_UNCOMMITTED)
922 const_iv (TRUNCATE) 1005 const_iv (TRUNCATE)
923 const_iv (NOSYNC) 1006 const_iv (NOSYNC)
924 const_iv (CHKSUM) 1007 const_iv (CHKSUM)
925 const_iv (ENCRYPT) 1008 const_iv (ENCRYPT)
926 const_iv (TXN_NOT_DURABLE)
927 const_iv (DUP) 1009 const_iv (DUP)
928 const_iv (DUPSORT) 1010 const_iv (DUPSORT)
929 const_iv (RECNUM) 1011 const_iv (RECNUM)
930 const_iv (RENUMBER) 1012 const_iv (RENUMBER)
931 const_iv (REVSPLITOFF) 1013 const_iv (REVSPLITOFF)
956 const_iv (APPEND) 1038 const_iv (APPEND)
957 const_iv (NODUPDATA) 1039 const_iv (NODUPDATA)
958 const_iv (NOOVERWRITE) 1040 const_iv (NOOVERWRITE)
959 1041
960 const_iv (TXN_NOWAIT) 1042 const_iv (TXN_NOWAIT)
961 const_iv (TXN_SNAPSHOT)
962 const_iv (TXN_SYNC) 1043 const_iv (TXN_SYNC)
963 1044
964 const_iv (SET_LOCK_TIMEOUT) 1045 const_iv (SET_LOCK_TIMEOUT)
965 const_iv (SET_TXN_TIMEOUT) 1046 const_iv (SET_TXN_TIMEOUT)
966 1047
994 const_iv (LOCK_YOUNGEST) 1075 const_iv (LOCK_YOUNGEST)
995 1076
996 const_iv (SEQ_DEC) 1077 const_iv (SEQ_DEC)
997 const_iv (SEQ_INC) 1078 const_iv (SEQ_INC)
998 const_iv (SEQ_WRAP) 1079 const_iv (SEQ_WRAP)
1080
1081 const_iv (BUFFER_SMALL)
1082 const_iv (DONOTINDEX)
1083 const_iv (KEYEMPTY )
1084 const_iv (KEYEXIST )
1085 const_iv (LOCK_DEADLOCK)
1086 const_iv (LOCK_NOTGRANTED)
1087 const_iv (LOG_BUFFER_FULL)
1088 const_iv (NOSERVER)
1089 const_iv (NOSERVER_HOME)
1090 const_iv (NOSERVER_ID)
1091 const_iv (NOTFOUND)
1092 const_iv (OLD_VERSION)
1093 const_iv (PAGE_NOTFOUND)
1094 const_iv (REP_DUPMASTER)
1095 const_iv (REP_HANDLE_DEAD)
1096 const_iv (REP_HOLDELECTION)
1097 const_iv (REP_IGNORE)
1098 const_iv (REP_ISPERM)
1099 const_iv (REP_JOIN_FAILURE)
1100 const_iv (REP_LOCKOUT)
1101 const_iv (REP_NEWMASTER)
1102 const_iv (REP_NEWSITE)
1103 const_iv (REP_NOTPERM)
1104 const_iv (REP_UNAVAIL)
1105 const_iv (RUNRECOVERY)
1106 const_iv (SECONDARY_BAD)
1107 const_iv (VERIFY_BAD)
1108 const_iv (VERSION_MISMATCH)
1109
1110 const_iv (VERB_DEADLOCK)
1111 const_iv (VERB_RECOVERY)
1112 const_iv (VERB_REGISTER)
1113 const_iv (VERB_REPLICATION)
1114 const_iv (VERB_WAITSFOR)
1115
1116 const_iv (VERSION_MAJOR)
1117 const_iv (VERSION_MINOR)
1118 const_iv (VERSION_PATCH)
1119#if DB_VERSION_MINOR >= 5
1120 const_iv (MULTIVERSION)
1121 const_iv (TXN_SNAPSHOT)
1122#endif
1123#if DB_VERSION_MINOR >= 6
1124 const_iv (PREV_DUP)
1125# if 0
1126 const_iv (PRIORITY_UNCHANGED)
1127 const_iv (PRIORITY_VERY_LOW)
1128 const_iv (PRIORITY_LOW)
1129 const_iv (PRIORITY_DEFAULT)
1130 const_iv (PRIORITY_HIGH)
1131 const_iv (PRIORITY_VERY_HIGH)
1132# endif
1133#endif
999 }; 1134 };
1000 1135
1001 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1136 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1137 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003 1138
1004 create_pipe (); 1139 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1140 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1141
1142 create_respipe ();
1143
1005 ATFORK (atfork_prepare, atfork_parent, atfork_child); 1144 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1145#ifdef _WIN32
1146 X_MUTEX_CHECK (wrklock);
1147 X_MUTEX_CHECK (reslock);
1148 X_MUTEX_CHECK (reqlock);
1149
1150 X_COND_CHECK (reqwait);
1151#endif
1006} 1152}
1007 1153
1008void 1154void
1009max_poll_reqs (int nreqs) 1155max_poll_reqs (int nreqs)
1010 PROTOTYPE: $ 1156 PROTOTYPE: $
1129 1275
1130int 1276int
1131nthreads () 1277nthreads ()
1132 PROTOTYPE: 1278 PROTOTYPE:
1133 CODE: 1279 CODE:
1134 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1280 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135 RETVAL = started; 1281 RETVAL = started;
1136 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1282 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137 OUTPUT: 1283 OUTPUT:
1138 RETVAL 1284 RETVAL
1139 1285
1140void 1286void
1141set_sync_prepare (SV *cb) 1287set_sync_prepare (SV *cb)
1142 PROTOTYPE: & 1288 PROTOTYPE: &
1143 CODE: 1289 CODE:
1144 SvREFCNT_dec (prepare_cb); 1290 SvREFCNT_dec (prepare_cb);
1145 prepare_cb = newSVsv (cb); 1291 prepare_cb = newSVsv (cb);
1146 1292
1293char *
1294strerror (int errorno = errno)
1295 PROTOTYPE: ;$
1296 CODE:
1297 RETVAL = db_strerror (errorno);
1298 OUTPUT:
1299 RETVAL
1147 1300
1148DB_ENV * 1301DB_ENV *
1149db_env_create (U32 env_flags = 0) 1302db_env_create (U32 env_flags = 0)
1150 CODE: 1303 CODE:
1151{ 1304{
1152 errno = db_env_create (&RETVAL, env_flags); 1305 errno = db_env_create (&RETVAL, env_flags);
1153 if (errno) 1306 if (errno)
1154 croak ("db_env_create: %s", db_strerror (errno)); 1307 croak ("db_env_create: %s", db_strerror (errno));
1308
1309 if (0)
1310 {
1311 RETVAL->set_errcall (RETVAL, debug_errcall);
1312 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1313 }
1155} 1314}
1156 OUTPUT: 1315 OUTPUT:
1157 RETVAL 1316 RETVAL
1158 1317
1159void 1318void
1160db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1319db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1161 CODE: 1320 CODE:
1162{ 1321{
1163 env->set_thread_count (env, get_nthreads ());
1164
1165 dREQ (REQ_ENV_OPEN); 1322 dREQ (REQ_ENV_OPEN);
1323
1324 env->set_thread_count (env, wanted + 2);
1325
1166 req->env = env; 1326 req->env = env;
1167 req->uint1 = open_flags | DB_THREAD; 1327 req->uint1 = open_flags | DB_THREAD;
1168 req->int1 = mode; 1328 req->int1 = mode;
1169 req->buf1 = strdup_ornull (db_home); 1329 req->buf1 = strdup_ornull (db_home);
1170 REQ_SEND; 1330 REQ_SEND;
1375 REQ_SEND; 1535 REQ_SEND;
1376 ptr_nuke (ST (0)); 1536 ptr_nuke (ST (0));
1377} 1537}
1378 1538
1379void 1539void
1540db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1541 CODE:
1542{
1543 dREQ (REQ_TXN_FINISH);
1544 req->txn = txn;
1545 req->uint1 = flags;
1546 REQ_SEND;
1547 ptr_nuke (ST (0));
1548}
1549
1550void
1380db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1551db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1381 CODE: 1552 CODE:
1382{ 1553{
1383 dREQ (REQ_C_CLOSE); 1554 dREQ (REQ_C_CLOSE);
1384 req->dbc = dbc; 1555 req->dbc = dbc;
1562 CODE: 1733 CODE:
1563 RETVAL = env->set_flags (env, flags, onoff); 1734 RETVAL = env->set_flags (env, flags, onoff);
1564 OUTPUT: 1735 OUTPUT:
1565 RETVAL 1736 RETVAL
1566 1737
1738void set_errfile (DB_ENV *env, FILE *errfile = 0)
1739 CODE:
1740 env->set_errfile (env, errfile);
1741
1742void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1743 CODE:
1744 env->set_msgfile (env, msgfile);
1745
1746int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1747 CODE:
1748 RETVAL = env->set_verbose (env, which, onoff);
1749 OUTPUT:
1750 RETVAL
1751
1567int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1752int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1568 CODE: 1753 CODE:
1569 RETVAL = env->set_encrypt (env, password, flags); 1754 RETVAL = env->set_encrypt (env, password, flags);
1570 OUTPUT: 1755 OUTPUT:
1571 RETVAL 1756 RETVAL
1572 1757
1573int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1758int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1574 CODE: 1759 CODE:
1575 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1760 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1576 OUTPUT: 1761 OUTPUT:
1577 RETVAL 1762 RETVAL
1578 1763
1655 CODE: 1840 CODE:
1656 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1841 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1657 OUTPUT: 1842 OUTPUT:
1658 RETVAL 1843 RETVAL
1659 1844
1660int set_flags (DB *db, U32 flags); 1845int set_flags (DB *db, U32 flags)
1661 CODE: 1846 CODE:
1662 RETVAL = db->set_flags (db, flags); 1847 RETVAL = db->set_flags (db, flags);
1663 OUTPUT: 1848 OUTPUT:
1664 RETVAL 1849 RETVAL
1665 1850
1679 CODE: 1864 CODE:
1680 RETVAL = db->set_bt_minkey (db, minkey); 1865 RETVAL = db->set_bt_minkey (db, minkey);
1681 OUTPUT: 1866 OUTPUT:
1682 RETVAL 1867 RETVAL
1683 1868
1684int set_re_delim(DB *db, int delim); 1869int set_re_delim (DB *db, int delim)
1685 CODE: 1870 CODE:
1686 RETVAL = db->set_re_delim (db, delim); 1871 RETVAL = db->set_re_delim (db, delim);
1687 OUTPUT: 1872 OUTPUT:
1688 RETVAL 1873 RETVAL
1689 1874
1750DESTROY (DB_TXN_ornull *txn) 1935DESTROY (DB_TXN_ornull *txn)
1751 CODE: 1936 CODE:
1752 if (txn) 1937 if (txn)
1753 txn->abort (txn); 1938 txn->abort (txn);
1754 1939
1755int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 1940int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1756 CODE: 1941 CODE:
1757 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 1942 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1943 OUTPUT:
1944 RETVAL
1945
1946int failed (DB_TXN *txn)
1947 CODE:
1948 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1758 OUTPUT: 1949 OUTPUT:
1759 RETVAL 1950 RETVAL
1760 1951
1761 1952
1762MODULE = BDB PACKAGE = BDB::Cursor 1953MODULE = BDB PACKAGE = BDB::Cursor

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