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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 1.20 by root, Tue Dec 4 10:13:50 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
… …
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 int old_readfd = respipe [0];
387
388 if (respipe [1] >= 0)
389 respipe_close (TO_SOCKET (respipe [1]));
390
391#ifdef _WIN32
392 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393#else
394 if (pipe (respipe))
395#endif
396 croak ("unable to initialize result pipe");
397
398 if (old_readfd >= 0)
399 {
400 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401 croak ("unable to initialize result pipe(2)");
402
403 respipe_close (respipe [0]);
404 respipe [0] = old_readfd;
405 }
406
407#ifdef _WIN32
408 int arg = 1;
409 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411#else
412 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414#endif
415 croak ("unable to initialize result pipe(3)");
416
417 respipe_osf [0] = TO_SOCKET (respipe [0]);
418 respipe_osf [1] = TO_SOCKET (respipe [1]);
419}
420
421X_THREAD_PROC (bdb_proc);
344 422
345static void start_thread (void) 423static void start_thread (void)
346{ 424{
347 worker *wrk = calloc (1, sizeof (worker)); 425 worker *wrk = calloc (1, sizeof (worker));
348 426
349 if (!wrk) 427 if (!wrk)
350 croak ("unable to allocate worker thread data"); 428 croak ("unable to allocate worker thread data");
351 429
352 LOCK (wrklock); 430 X_LOCK (wrklock);
353 if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) 431 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354 { 432 {
355 wrk->prev = &wrk_first; 433 wrk->prev = &wrk_first;
356 wrk->next = wrk_first.next; 434 wrk->next = wrk_first.next;
357 wrk_first.next->prev = wrk; 435 wrk_first.next->prev = wrk;
358 wrk_first.next = wrk; 436 wrk_first.next = wrk;
359 ++started; 437 ++started;
360 } 438 }
361 else 439 else
362 free (wrk); 440 free (wrk);
363 441
364 UNLOCK (wrklock); 442 X_UNLOCK (wrklock);
365} 443}
366 444
367static void maybe_start_thread () 445static void maybe_start_thread ()
368{ 446{
369 if (get_nthreads () >= wanted) 447 if (get_nthreads () >= wanted)
… …
381 SV *wait_callback = 0; 459 SV *wait_callback = 0;
382 460
383 // synthesize callback if none given 461 // synthesize callback if none given
384 if (!SvOK (req->callback)) 462 if (!SvOK (req->callback))
385 { 463 {
464 int count;
465
386 dSP; 466 dSP;
387 PUSHMARK (SP); 467 PUSHMARK (SP);
388 PUTBACK; 468 PUTBACK;
389 int count = call_sv (prepare_cb, G_ARRAY); 469 count = call_sv (prepare_cb, G_ARRAY);
390 SPAGAIN; 470 SPAGAIN;
391 471
392 if (count != 2) 472 if (count != 2)
393 croak ("prepare callback must return exactly two values\n"); 473 croak ("prepare callback must return exactly two values\n");
394 474
… …
397 req->callback = SvREFCNT_inc (POPs); 477 req->callback = SvREFCNT_inc (POPs);
398 } 478 }
399 479
400 ++nreqs; 480 ++nreqs;
401 481
402 LOCK (reqlock); 482 X_LOCK (reqlock);
403 ++nready; 483 ++nready;
404 reqq_push (&req_queue, req); 484 reqq_push (&req_queue, req);
405 COND_SIGNAL (reqwait); 485 X_COND_SIGNAL (reqwait);
406 UNLOCK (reqlock); 486 X_UNLOCK (reqlock);
407 487
408 maybe_start_thread (); 488 maybe_start_thread ();
409 489
410 if (wait_callback) 490 if (wait_callback)
411 { 491 {
… …
424 Newz (0, req, 1, aio_cb); 504 Newz (0, req, 1, aio_cb);
425 505
426 req->type = REQ_QUIT; 506 req->type = REQ_QUIT;
427 req->pri = PRI_MAX + PRI_BIAS; 507 req->pri = PRI_MAX + PRI_BIAS;
428 508
429 LOCK (reqlock); 509 X_LOCK (reqlock);
430 reqq_push (&req_queue, req); 510 reqq_push (&req_queue, req);
431 COND_SIGNAL (reqwait); 511 X_COND_SIGNAL (reqwait);
432 UNLOCK (reqlock); 512 X_UNLOCK (reqlock);
433 513
434 LOCK (wrklock); 514 X_LOCK (wrklock);
435 --started; 515 --started;
436 UNLOCK (wrklock); 516 X_UNLOCK (wrklock);
437} 517}
438 518
439static void set_max_idle (int nthreads) 519static void set_max_idle (int nthreads)
440{ 520{
441 if (WORDACCESS_UNSAFE) LOCK (reqlock); 521 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442 max_idle = nthreads <= 0 ? 1 : nthreads; 522 max_idle = nthreads <= 0 ? 1 : nthreads;
443 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 523 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444} 524}
445 525
446static void min_parallel (int nthreads) 526static void min_parallel (int nthreads)
447{ 527{
448 if (wanted < nthreads) 528 if (wanted < nthreads)
… …
463 fd_set rfd; 543 fd_set rfd;
464 544
465 while (nreqs) 545 while (nreqs)
466 { 546 {
467 int size; 547 int size;
468 if (WORDACCESS_UNSAFE) LOCK (reslock); 548 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469 size = res_queue.size; 549 size = res_queue.size;
470 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 550 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471 551
472 if (size) 552 if (size)
473 return; 553 return;
474 554
475 maybe_start_thread (); 555 maybe_start_thread ();
476 556
477 FD_ZERO(&rfd); 557 FD_ZERO (&rfd);
478 FD_SET(respipe [0], &rfd); 558 FD_SET (respipe [0], &rfd);
479 559
480 select (respipe [0] + 1, &rfd, 0, 0, 0); 560 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481 } 561 }
482} 562}
483 563
484static int poll_cb () 564static int poll_cb ()
485{ 565{
… …
497 { 577 {
498 for (;;) 578 for (;;)
499 { 579 {
500 maybe_start_thread (); 580 maybe_start_thread ();
501 581
502 LOCK (reslock); 582 X_LOCK (reslock);
503 req = reqq_shift (&res_queue); 583 req = reqq_shift (&res_queue);
504 584
505 if (req) 585 if (req)
506 { 586 {
507 --npending; 587 --npending;
508 588
509 if (!res_queue.size) 589 if (!res_queue.size)
510 { 590 {
511 /* read any signals sent by the worker threads */ 591 /* read any signals sent by the worker threads */
512 char buf [4]; 592 char buf [4];
513 while (read (respipe [0], buf, 4) == 4) 593 while (respipe_read (respipe [0], buf, 4) == 4)
514 ; 594 ;
515 } 595 }
516 } 596 }
517 597
518 UNLOCK (reslock); 598 X_UNLOCK (reslock);
519 599
520 if (!req) 600 if (!req)
521 break; 601 break;
522 602
523 --nreqs; 603 --nreqs;
… …
553 } 633 }
554 634
555 return count; 635 return count;
556} 636}
557 637
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/*****************************************************************************/ 638/*****************************************************************************/
571 639
572static void *aio_proc (void *thr_arg) 640X_THREAD_PROC (bdb_proc)
573{ 641{
574 aio_req req; 642 aio_req req;
575 struct timespec ts; 643 struct timespec ts;
576 worker *self = (worker *)thr_arg; 644 worker *self = (worker *)thr_arg;
577 645
578 /* try to distribute timeouts somewhat evenly */ 646 /* try to distribute timeouts somewhat evenly */
579 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 647 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580 * (1000000000UL / 1024UL);
581 648
582 for (;;) 649 for (;;)
583 { 650 {
584 ts.tv_sec = time (0) + IDLE_TIMEOUT; 651 ts.tv_sec = time (0) + IDLE_TIMEOUT;
585 652
586 LOCK (reqlock); 653 X_LOCK (reqlock);
587 654
588 for (;;) 655 for (;;)
589 { 656 {
590 self->req = req = reqq_shift (&req_queue); 657 self->req = req = reqq_shift (&req_queue);
591 658
592 if (req) 659 if (req)
593 break; 660 break;
594 661
595 ++idle; 662 ++idle;
596 663
597 if (COND_TIMEDWAIT (reqwait, reqlock, ts) 664 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598 == ETIMEDOUT) 665 == ETIMEDOUT)
599 { 666 {
600 if (idle > max_idle) 667 if (idle > max_idle)
601 { 668 {
602 --idle; 669 --idle;
603 UNLOCK (reqlock); 670 X_UNLOCK (reqlock);
604 LOCK (wrklock); 671 X_LOCK (wrklock);
605 --started; 672 --started;
606 UNLOCK (wrklock); 673 X_UNLOCK (wrklock);
607 goto quit; 674 goto quit;
608 } 675 }
609 676
610 /* we are allowed to idle, so do so without any timeout */ 677 /* we are allowed to idle, so do so without any timeout */
611 COND_WAIT (reqwait, reqlock); 678 X_COND_WAIT (reqwait, reqlock);
612 ts.tv_sec = time (0) + IDLE_TIMEOUT; 679 ts.tv_sec = time (0) + IDLE_TIMEOUT;
613 } 680 }
614 681
615 --idle; 682 --idle;
616 } 683 }
617 684
618 --nready; 685 --nready;
619 686
620 UNLOCK (reqlock); 687 X_UNLOCK (reqlock);
621 688
622 switch (req->type) 689 switch (req->type)
623 { 690 {
624 case REQ_QUIT: 691 case REQ_QUIT:
692 req->result = ENOSYS;
625 goto quit; 693 goto quit;
626 694
627 case REQ_ENV_OPEN: 695 case REQ_ENV_OPEN:
628 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 696 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
629 break; 697 break;
… …
688 req->result = req->txn->commit (req->txn, req->uint1); 756 req->result = req->txn->commit (req->txn, req->uint1);
689 break; 757 break;
690 758
691 case REQ_TXN_ABORT: 759 case REQ_TXN_ABORT:
692 req->result = req->txn->abort (req->txn); 760 req->result = req->txn->abort (req->txn);
761 break;
762
763 case REQ_TXN_FINISH:
764 if (req->txn->flags & TXN_DEADLOCK)
765 {
766 req->result = req->txn->abort (req->txn);
767 if (!req->result)
768 req->result = DB_LOCK_DEADLOCK;
769 }
770 else
771 req->result = req->txn->commit (req->txn, req->uint1);
693 break; 772 break;
694 773
695 case REQ_C_CLOSE: 774 case REQ_C_CLOSE:
696 req->result = req->dbc->c_close (req->dbc); 775 req->result = req->dbc->c_close (req->dbc);
697 break; 776 break;
… …
739 default: 818 default:
740 req->result = ENOSYS; 819 req->result = ENOSYS;
741 break; 820 break;
742 } 821 }
743 822
823 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
824 req->txn->flags |= TXN_DEADLOCK;
825
744 LOCK (reslock); 826 X_LOCK (reslock);
745 827
746 ++npending; 828 ++npending;
747 829
748 if (!reqq_push (&res_queue, req)) 830 if (!reqq_push (&res_queue, req))
749 /* write a dummy byte to the pipe so fh becomes ready */ 831 /* write a dummy byte to the pipe so fh becomes ready */
750 write (respipe [1], &respipe, 1); 832 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751 833
752 self->req = 0; 834 self->req = 0;
753 worker_clear (self); 835 worker_clear (self);
754 836
755 UNLOCK (reslock); 837 X_UNLOCK (reslock);
756 } 838 }
757 839
758quit: 840quit:
759 LOCK (wrklock); 841 X_LOCK (wrklock);
760 worker_free (self); 842 worker_free (self);
761 UNLOCK (wrklock); 843 X_UNLOCK (wrklock);
762 844
763 return 0; 845 return 0;
764} 846}
765 847
766/*****************************************************************************/ 848/*****************************************************************************/
767 849
768static void atfork_prepare (void) 850static void atfork_prepare (void)
769{ 851{
770 LOCK (wrklock); 852 X_LOCK (wrklock);
771 LOCK (reqlock); 853 X_LOCK (reqlock);
772 LOCK (reslock); 854 X_LOCK (reslock);
773} 855}
774 856
775static void atfork_parent (void) 857static void atfork_parent (void)
776{ 858{
777 UNLOCK (reslock); 859 X_UNLOCK (reslock);
778 UNLOCK (reqlock); 860 X_UNLOCK (reqlock);
779 UNLOCK (wrklock); 861 X_UNLOCK (wrklock);
780} 862}
781 863
782static void atfork_child (void) 864static void atfork_child (void)
783{ 865{
784 aio_req prv; 866 aio_req prv;
… …
804 idle = 0; 886 idle = 0;
805 nreqs = 0; 887 nreqs = 0;
806 nready = 0; 888 nready = 0;
807 npending = 0; 889 npending = 0;
808 890
809 close (respipe [0]);
810 close (respipe [1]);
811 create_pipe (); 891 create_respipe ();
812 892
813 atfork_parent (); 893 atfork_parent ();
814} 894}
815 895
816#define dREQ(reqtype) \ 896#define dREQ(reqtype) \
… …
880 const_iv (INIT_TXN) 960 const_iv (INIT_TXN)
881 const_iv (RECOVER) 961 const_iv (RECOVER)
882 const_iv (INIT_TXN) 962 const_iv (INIT_TXN)
883 const_iv (RECOVER_FATAL) 963 const_iv (RECOVER_FATAL)
884 const_iv (CREATE) 964 const_iv (CREATE)
965 const_iv (RDONLY)
885 const_iv (USE_ENVIRON) 966 const_iv (USE_ENVIRON)
886 const_iv (USE_ENVIRON_ROOT) 967 const_iv (USE_ENVIRON_ROOT)
887 const_iv (LOCKDOWN) 968 const_iv (LOCKDOWN)
888 const_iv (PRIVATE) 969 const_iv (PRIVATE)
889 const_iv (REGISTER) 970 const_iv (REGISTER)
… …
895 const_iv (DSYNC_DB) 976 const_iv (DSYNC_DB)
896 const_iv (DSYNC_LOG) 977 const_iv (DSYNC_LOG)
897 const_iv (LOG_AUTOREMOVE) 978 const_iv (LOG_AUTOREMOVE)
898 const_iv (LOG_INMEMORY) 979 const_iv (LOG_INMEMORY)
899 const_iv (NOLOCKING) 980 const_iv (NOLOCKING)
900 const_iv (MULTIVERSION)
901 const_iv (NOMMAP) 981 const_iv (NOMMAP)
902 const_iv (NOPANIC) 982 const_iv (NOPANIC)
903 const_iv (OVERWRITE) 983 const_iv (OVERWRITE)
904 const_iv (PANIC_ENVIRONMENT) 984 const_iv (PANIC_ENVIRONMENT)
905 const_iv (REGION_INIT) 985 const_iv (REGION_INIT)
906 const_iv (TIME_NOTGRANTED) 986 const_iv (TIME_NOTGRANTED)
907 const_iv (TXN_NOSYNC) 987 const_iv (TXN_NOSYNC)
908 const_iv (TXN_SNAPSHOT) 988 const_iv (TXN_NOT_DURABLE)
909 const_iv (TXN_WRITE_NOSYNC) 989 const_iv (TXN_WRITE_NOSYNC)
910 const_iv (WRITECURSOR) 990 const_iv (WRITECURSOR)
911 const_iv (YIELDCPU) 991 const_iv (YIELDCPU)
912 const_iv (ENCRYPT_AES) 992 const_iv (ENCRYPT_AES)
913 const_iv (XA_CREATE) 993 const_iv (XA_CREATE)
… …
921 const_iv (READ_UNCOMMITTED) 1001 const_iv (READ_UNCOMMITTED)
922 const_iv (TRUNCATE) 1002 const_iv (TRUNCATE)
923 const_iv (NOSYNC) 1003 const_iv (NOSYNC)
924 const_iv (CHKSUM) 1004 const_iv (CHKSUM)
925 const_iv (ENCRYPT) 1005 const_iv (ENCRYPT)
926 const_iv (TXN_NOT_DURABLE)
927 const_iv (DUP) 1006 const_iv (DUP)
928 const_iv (DUPSORT) 1007 const_iv (DUPSORT)
929 const_iv (RECNUM) 1008 const_iv (RECNUM)
930 const_iv (RENUMBER) 1009 const_iv (RENUMBER)
931 const_iv (REVSPLITOFF) 1010 const_iv (REVSPLITOFF)
… …
956 const_iv (APPEND) 1035 const_iv (APPEND)
957 const_iv (NODUPDATA) 1036 const_iv (NODUPDATA)
958 const_iv (NOOVERWRITE) 1037 const_iv (NOOVERWRITE)
959 1038
960 const_iv (TXN_NOWAIT) 1039 const_iv (TXN_NOWAIT)
961 const_iv (TXN_SNAPSHOT)
962 const_iv (TXN_SYNC) 1040 const_iv (TXN_SYNC)
963 1041
964 const_iv (SET_LOCK_TIMEOUT) 1042 const_iv (SET_LOCK_TIMEOUT)
965 const_iv (SET_TXN_TIMEOUT) 1043 const_iv (SET_TXN_TIMEOUT)
966 1044
… …
994 const_iv (LOCK_YOUNGEST) 1072 const_iv (LOCK_YOUNGEST)
995 1073
996 const_iv (SEQ_DEC) 1074 const_iv (SEQ_DEC)
997 const_iv (SEQ_INC) 1075 const_iv (SEQ_INC)
998 const_iv (SEQ_WRAP) 1076 const_iv (SEQ_WRAP)
1077
1078 const_iv (BUFFER_SMALL)
1079 const_iv (DONOTINDEX)
1080 const_iv (KEYEMPTY )
1081 const_iv (KEYEXIST )
1082 const_iv (LOCK_DEADLOCK)
1083 const_iv (LOCK_NOTGRANTED)
1084 const_iv (LOG_BUFFER_FULL)
1085 const_iv (NOSERVER)
1086 const_iv (NOSERVER_HOME)
1087 const_iv (NOSERVER_ID)
1088 const_iv (NOTFOUND)
1089 const_iv (OLD_VERSION)
1090 const_iv (PAGE_NOTFOUND)
1091 const_iv (REP_DUPMASTER)
1092 const_iv (REP_HANDLE_DEAD)
1093 const_iv (REP_HOLDELECTION)
1094 const_iv (REP_IGNORE)
1095 const_iv (REP_ISPERM)
1096 const_iv (REP_JOIN_FAILURE)
1097 const_iv (REP_LOCKOUT)
1098 const_iv (REP_NEWMASTER)
1099 const_iv (REP_NEWSITE)
1100 const_iv (REP_NOTPERM)
1101 const_iv (REP_UNAVAIL)
1102 const_iv (RUNRECOVERY)
1103 const_iv (SECONDARY_BAD)
1104 const_iv (VERIFY_BAD)
1105 const_iv (VERSION_MISMATCH)
1106
1107 const_iv (VERB_DEADLOCK)
1108 const_iv (VERB_RECOVERY)
1109 const_iv (VERB_REGISTER)
1110 const_iv (VERB_REPLICATION)
1111 const_iv (VERB_WAITSFOR)
1112
1113 const_iv (VERSION_MAJOR)
1114 const_iv (VERSION_MINOR)
1115 const_iv (VERSION_PATCH)
1116#if DB_VERSION_MINOR >= 5
1117 const_iv (MULTIVERSION)
1118 const_iv (TXN_SNAPSHOT)
1119#endif
1120#if DB_VERSION_MINOR >= 6
1121 const_iv (PREV_DUP)
1122# if 0
1123 const_iv (PRIORITY_UNCHANGED)
1124 const_iv (PRIORITY_VERY_LOW)
1125 const_iv (PRIORITY_LOW)
1126 const_iv (PRIORITY_DEFAULT)
1127 const_iv (PRIORITY_HIGH)
1128 const_iv (PRIORITY_VERY_HIGH)
1129# endif
1130#endif
999 }; 1131 };
1000 1132
1001 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1133 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1134 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003 1135
1004 create_pipe (); 1136 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1137 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1138
1139 create_respipe ();
1140
1005 ATFORK (atfork_prepare, atfork_parent, atfork_child); 1141 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1142#ifdef _WIN32
1143 X_MUTEX_CHECK (wrklock);
1144 X_MUTEX_CHECK (reslock);
1145 X_MUTEX_CHECK (reqlock);
1146
1147 X_COND_CHECK (reqwait);
1148#endif
1006} 1149}
1007 1150
1008void 1151void
1009max_poll_reqs (int nreqs) 1152max_poll_reqs (int nreqs)
1010 PROTOTYPE: $ 1153 PROTOTYPE: $
… …
1129 1272
1130int 1273int
1131nthreads () 1274nthreads ()
1132 PROTOTYPE: 1275 PROTOTYPE:
1133 CODE: 1276 CODE:
1134 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1277 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135 RETVAL = started; 1278 RETVAL = started;
1136 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1279 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137 OUTPUT: 1280 OUTPUT:
1138 RETVAL 1281 RETVAL
1139 1282
1140void 1283void
1141set_sync_prepare (SV *cb) 1284set_sync_prepare (SV *cb)
1142 PROTOTYPE: & 1285 PROTOTYPE: &
1143 CODE: 1286 CODE:
1144 SvREFCNT_dec (prepare_cb); 1287 SvREFCNT_dec (prepare_cb);
1145 prepare_cb = newSVsv (cb); 1288 prepare_cb = newSVsv (cb);
1146 1289
1290char *
1291strerror (int errorno = errno)
1292 PROTOTYPE: ;$
1293 CODE:
1294 RETVAL = db_strerror (errorno);
1295 OUTPUT:
1296 RETVAL
1147 1297
1148DB_ENV * 1298DB_ENV *
1149db_env_create (U32 env_flags = 0) 1299db_env_create (U32 env_flags = 0)
1150 CODE: 1300 CODE:
1151{ 1301{
1152 errno = db_env_create (&RETVAL, env_flags); 1302 errno = db_env_create (&RETVAL, env_flags);
1153 if (errno) 1303 if (errno)
1154 croak ("db_env_create: %s", db_strerror (errno)); 1304 croak ("db_env_create: %s", db_strerror (errno));
1305
1306 if (0)
1307 {
1308 RETVAL->set_errcall (RETVAL, debug_errcall);
1309 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1310 }
1155} 1311}
1156 OUTPUT: 1312 OUTPUT:
1157 RETVAL 1313 RETVAL
1158 1314
1159void 1315void
1160db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1316db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1161 CODE: 1317 CODE:
1162{ 1318{
1163 env->set_thread_count (env, get_nthreads ());
1164
1165 dREQ (REQ_ENV_OPEN); 1319 dREQ (REQ_ENV_OPEN);
1320
1321 env->set_thread_count (env, wanted + 2);
1322
1166 req->env = env; 1323 req->env = env;
1167 req->uint1 = open_flags | DB_THREAD; 1324 req->uint1 = open_flags | DB_THREAD;
1168 req->int1 = mode; 1325 req->int1 = mode;
1169 req->buf1 = strdup_ornull (db_home); 1326 req->buf1 = strdup_ornull (db_home);
1170 REQ_SEND; 1327 REQ_SEND;
… …
1375 REQ_SEND; 1532 REQ_SEND;
1376 ptr_nuke (ST (0)); 1533 ptr_nuke (ST (0));
1377} 1534}
1378 1535
1379void 1536void
1537db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1538 CODE:
1539{
1540 dREQ (REQ_TXN_FINISH);
1541 req->txn = txn;
1542 req->uint1 = flags;
1543 REQ_SEND;
1544 ptr_nuke (ST (0));
1545}
1546
1547void
1380db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1548db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1381 CODE: 1549 CODE:
1382{ 1550{
1383 dREQ (REQ_C_CLOSE); 1551 dREQ (REQ_C_CLOSE);
1384 req->dbc = dbc; 1552 req->dbc = dbc;
… …
1562 CODE: 1730 CODE:
1563 RETVAL = env->set_flags (env, flags, onoff); 1731 RETVAL = env->set_flags (env, flags, onoff);
1564 OUTPUT: 1732 OUTPUT:
1565 RETVAL 1733 RETVAL
1566 1734
1735void set_errfile (DB_ENV *env, FILE *errfile = 0)
1736 CODE:
1737 env->set_errfile (env, errfile);
1738
1739void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1740 CODE:
1741 env->set_msgfile (env, msgfile);
1742
1743int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1744 CODE:
1745 RETVAL = env->set_verbose (env, which, onoff);
1746 OUTPUT:
1747 RETVAL
1748
1567int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1749int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1568 CODE: 1750 CODE:
1569 RETVAL = env->set_encrypt (env, password, flags); 1751 RETVAL = env->set_encrypt (env, password, flags);
1570 OUTPUT: 1752 OUTPUT:
1571 RETVAL 1753 RETVAL
1572 1754
1573int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1755int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1574 CODE: 1756 CODE:
1575 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1757 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1576 OUTPUT: 1758 OUTPUT:
1577 RETVAL 1759 RETVAL
1578 1760
… …
1655 CODE: 1837 CODE:
1656 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1838 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1657 OUTPUT: 1839 OUTPUT:
1658 RETVAL 1840 RETVAL
1659 1841
1660int set_flags (DB *db, U32 flags); 1842int set_flags (DB *db, U32 flags)
1661 CODE: 1843 CODE:
1662 RETVAL = db->set_flags (db, flags); 1844 RETVAL = db->set_flags (db, flags);
1663 OUTPUT: 1845 OUTPUT:
1664 RETVAL 1846 RETVAL
1665 1847
… …
1679 CODE: 1861 CODE:
1680 RETVAL = db->set_bt_minkey (db, minkey); 1862 RETVAL = db->set_bt_minkey (db, minkey);
1681 OUTPUT: 1863 OUTPUT:
1682 RETVAL 1864 RETVAL
1683 1865
1684int set_re_delim(DB *db, int delim); 1866int set_re_delim (DB *db, int delim)
1685 CODE: 1867 CODE:
1686 RETVAL = db->set_re_delim (db, delim); 1868 RETVAL = db->set_re_delim (db, delim);
1687 OUTPUT: 1869 OUTPUT:
1688 RETVAL 1870 RETVAL
1689 1871
… …
1750DESTROY (DB_TXN_ornull *txn) 1932DESTROY (DB_TXN_ornull *txn)
1751 CODE: 1933 CODE:
1752 if (txn) 1934 if (txn)
1753 txn->abort (txn); 1935 txn->abort (txn);
1754 1936
1755int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 1937int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1756 CODE: 1938 CODE:
1757 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 1939 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1940 OUTPUT:
1941 RETVAL
1942
1943int failed (DB_TXN *txn)
1944 CODE:
1945 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1758 OUTPUT: 1946 OUTPUT:
1759 RETVAL 1947 RETVAL
1760 1948
1761 1949
1762MODULE = BDB PACKAGE = BDB::Cursor 1950MODULE = BDB PACKAGE = BDB::Cursor

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