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/cvs/BDB/BDB.xs
Revision: 1.48
Committed: Tue Jul 29 03:33:16 2008 UTC (15 years, 9 months ago) by root
Branch: MAIN
CVS Tags: rel-1_71
Changes since 1.47: +2 -0 lines
Log Message:
1.71

File Contents

# Content
1 #define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2
3 #include "xthread.h"
4
5 #include <errno.h>
6
7 #include "EXTERN.h"
8 #include "perl.h"
9 #include "XSUB.h"
10
11 // perl stupidly defines these as macros, breaking
12 // lots and lots of code.
13 #undef open
14 #undef close
15 #undef abort
16 #undef malloc
17 #undef free
18 #undef send
19
20 #include <stddef.h>
21 #include <stdlib.h>
22 #include <errno.h>
23 #include <sys/types.h>
24 #include <limits.h>
25 #include <fcntl.h>
26
27 #ifndef _WIN32
28 # include <sys/time.h>
29 # include <unistd.h>
30 #endif
31
32 #include <db.h>
33
34 #if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
35 # error you need Berkeley DB 4.3 or a newer 4.x version installed
36 #endif
37
38 /* number of seconds after which idle threads exit */
39 #define IDLE_TIMEOUT 10
40
41 typedef DB_ENV DB_ENV_ornull;
42 typedef DB_TXN DB_TXN_ornull;
43 typedef DBC DBC_ornull;
44 typedef DB DB_ornull;
45
46 typedef DB_ENV DB_ENV_ornuked;
47 typedef DB_TXN DB_TXN_ornuked;
48 typedef DBC DBC_ornuked;
49 typedef DB DB_ornuked;
50
51 #if DB_VERSION_MINOR >= 3
52 typedef DB_SEQUENCE DB_SEQUENCE_ornull;
53 typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
54 #endif
55
56 typedef SV SV8; /* byte-sv, used for argument-checking */
57 typedef char *bdb_filename;
58
59 static SV *prepare_cb;
60
61 #if DB_VERSION_MINOR >= 6
62 # define c_close close
63 # define c_count count
64 # define c_del del
65 # define c_dup dup
66 # define c_get get
67 # define c_pget pget
68 # define c_put put
69 #endif
70
71 static char *
72 get_bdb_filename (SV *sv)
73 {
74 if (!SvOK (sv))
75 return 0;
76
77 #if _WIN32
78 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
79 {
80 STRLEN len;
81 char *src = SvPVbyte (sv, len);
82 SV *t1 = sv_newmortal ();
83 SV *t2 = sv_newmortal ();
84
85 sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
86 sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
87
88 len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
89 len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
90 SvPOK_only (t2);
91 SvPVX (t2)[len] = 0;
92 SvCUR_set (t2, len);
93
94 return SvPVX (t2);
95 }
96 #else
97 return SvPVbyte_nolen (sv);
98 #endif
99 }
100
101 static void
102 debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
103 {
104 printf ("err[%s]\n", msg);
105 }
106
107 static void
108 debug_msgcall (const DB_ENV *dbenv, const char *msg)
109 {
110 printf ("msg[%s]\n", msg);
111 }
112
113 static char *
114 strdup_ornull (const char *s)
115 {
116 return s ? strdup (s) : 0;
117 }
118
119 static void
120 sv_to_dbt (DBT *dbt, SV *sv)
121 {
122 STRLEN len;
123 char *data = SvPVbyte (sv, len);
124
125 dbt->data = malloc (len);
126 memcpy (dbt->data, data, len);
127 dbt->size = len;
128 dbt->flags = DB_DBT_REALLOC;
129 }
130
131 static void
132 dbt_to_sv (SV *sv, DBT *dbt)
133 {
134 if (sv)
135 {
136 SvREADONLY_off (sv);
137 sv_setpvn_mg (sv, dbt->data, dbt->size);
138 SvREFCNT_dec (sv);
139 }
140
141 free (dbt->data);
142 }
143
144 enum {
145 REQ_QUIT,
146 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
147 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
148 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
149 REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
150 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
151 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
152 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
153 };
154
155 typedef struct bdb_cb
156 {
157 struct bdb_cb *volatile next;
158 SV *callback;
159 int type, pri, result;
160
161 DB_ENV *env;
162 DB *db;
163 DB_TXN *txn;
164 DBC *dbc;
165
166 UV uv1;
167 int int1, int2;
168 U32 uint1, uint2;
169 char *buf1, *buf2, *buf3;
170 SV *sv1, *sv2, *sv3;
171
172 DBT dbt1, dbt2, dbt3;
173 DB_KEY_RANGE key_range;
174 #if DB_VERSION_MINOR >= 3
175 DB_SEQUENCE *seq;
176 db_seq_t seq_t;
177 #endif
178 } bdb_cb;
179
180 typedef bdb_cb *bdb_req;
181
182 enum {
183 PRI_MIN = -4,
184 PRI_MAX = 4,
185
186 DEFAULT_PRI = 0,
187 PRI_BIAS = -PRI_MIN,
188 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
189 };
190
191 #define AIO_TICKS ((1000000 + 1023) >> 10)
192
193 static SV *on_next_submit;
194
195 static unsigned int max_poll_time = 0;
196 static unsigned int max_poll_reqs = 0;
197
198 /* calculcate time difference in ~1/AIO_TICKS of a second */
199 static int tvdiff (struct timeval *tv1, struct timeval *tv2)
200 {
201 return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS
202 + ((tv2->tv_usec - tv1->tv_usec) >> 10);
203 }
204
205 static int next_pri = DEFAULT_PRI + PRI_BIAS;
206
207 static unsigned int started, idle, wanted;
208
209 /* worker threads management */
210 static mutex_t wrklock = X_MUTEX_INIT;
211
212 typedef struct worker {
213 /* locked by wrklock */
214 struct worker *prev, *next;
215
216 thread_t tid;
217
218 /* locked by reslock, reqlock or wrklock */
219 bdb_req req; /* currently processed request */
220 void *dbuf;
221 DIR *dirp;
222 } worker;
223
224 static worker wrk_first = { &wrk_first, &wrk_first, 0 };
225
226 static void worker_clear (worker *wrk)
227 {
228 }
229
230 static void worker_free (worker *wrk)
231 {
232 wrk->next->prev = wrk->prev;
233 wrk->prev->next = wrk->next;
234
235 free (wrk);
236 }
237
238 static volatile unsigned int nreqs, nready, npending;
239 static volatile unsigned int max_idle = 4;
240 static volatile unsigned int max_outstanding = 0xffffffff;
241 static int respipe_osf [2], respipe [2] = { -1, -1 };
242
243 static mutex_t reslock = X_MUTEX_INIT;
244 static mutex_t reqlock = X_MUTEX_INIT;
245 static cond_t reqwait = X_COND_INIT;
246
247 #if WORDACCESS_UNSAFE
248
249 static unsigned int get_nready (void)
250 {
251 unsigned int retval;
252
253 X_LOCK (reqlock);
254 retval = nready;
255 X_UNLOCK (reqlock);
256
257 return retval;
258 }
259
260 static unsigned int get_npending (void)
261 {
262 unsigned int retval;
263
264 X_LOCK (reslock);
265 retval = npending;
266 X_UNLOCK (reslock);
267
268 return retval;
269 }
270
271 static unsigned int get_nthreads (void)
272 {
273 unsigned int retval;
274
275 X_LOCK (wrklock);
276 retval = started;
277 X_UNLOCK (wrklock);
278
279 return retval;
280 }
281
282 #else
283
284 # define get_nready() nready
285 # define get_npending() npending
286 # define get_nthreads() started
287
288 #endif
289
290 /*
291 * a somewhat faster data structure might be nice, but
292 * with 8 priorities this actually needs <20 insns
293 * per shift, the most expensive operation.
294 */
295 typedef struct {
296 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
297 int size;
298 } reqq;
299
300 static reqq req_queue;
301 static reqq res_queue;
302
303 int reqq_push (reqq *q, bdb_req req)
304 {
305 int pri = req->pri;
306 req->next = 0;
307
308 if (q->qe[pri])
309 {
310 q->qe[pri]->next = req;
311 q->qe[pri] = req;
312 }
313 else
314 q->qe[pri] = q->qs[pri] = req;
315
316 return q->size++;
317 }
318
319 bdb_req reqq_shift (reqq *q)
320 {
321 int pri;
322
323 if (!q->size)
324 return 0;
325
326 --q->size;
327
328 for (pri = NUM_PRI; pri--; )
329 {
330 bdb_req req = q->qs[pri];
331
332 if (req)
333 {
334 if (!(q->qs[pri] = req->next))
335 q->qe[pri] = 0;
336
337 return req;
338 }
339 }
340
341 abort ();
342 }
343
344 static int poll_cb (void);
345 static void req_free (bdb_req req);
346 static void req_cancel (bdb_req req);
347
348 static int req_invoke (bdb_req req)
349 {
350 dSP;
351
352 if (req->callback)
353 {
354 ENTER;
355 SAVETMPS;
356 PUSHMARK (SP);
357
358 switch (req->type)
359 {
360 case REQ_DB_CLOSE:
361 SvREFCNT_dec (req->sv1);
362 break;
363
364 case REQ_DB_GET:
365 case REQ_DB_PGET:
366 dbt_to_sv (req->sv3, &req->dbt3);
367 break;
368
369 case REQ_C_GET:
370 case REQ_C_PGET:
371 dbt_to_sv (req->sv1, &req->dbt1);
372 dbt_to_sv (req->sv2, &req->dbt2);
373 dbt_to_sv (req->sv3, &req->dbt3);
374 break;
375
376 case REQ_DB_PUT:
377 case REQ_C_PUT:
378 dbt_to_sv (0, &req->dbt1);
379 dbt_to_sv (0, &req->dbt2);
380 break;
381
382 case REQ_DB_KEY_RANGE:
383 {
384 AV *av = newAV ();
385
386 av_push (av, newSVnv (req->key_range.less));
387 av_push (av, newSVnv (req->key_range.equal));
388 av_push (av, newSVnv (req->key_range.greater));
389
390 SvREADONLY_off (req->sv1);
391 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
392 SvREFCNT_dec (req->sv1);
393 }
394 break;
395
396 #if DB_VERSION_MINOR >= 3
397 case REQ_SEQ_GET:
398 SvREADONLY_off (req->sv1);
399
400 if (sizeof (IV) > 4)
401 sv_setiv_mg (req->sv1, (IV)req->seq_t);
402 else
403 sv_setnv_mg (req->sv1, (NV)req->seq_t);
404
405 SvREFCNT_dec (req->sv1);
406 break;
407 #endif
408 }
409
410 errno = req->result;
411
412 PUTBACK;
413 call_sv (req->callback, G_VOID | G_EVAL);
414 SPAGAIN;
415
416 FREETMPS;
417 LEAVE;
418 }
419
420 return !SvTRUE (ERRSV);
421 }
422
423 static void req_free (bdb_req req)
424 {
425 SvREFCNT_dec (req->callback);
426
427 free (req->buf1);
428 free (req->buf2);
429 free (req->buf3);
430
431 Safefree (req);
432 }
433
434 #ifdef USE_SOCKETS_AS_HANDLES
435 # define TO_SOCKET(x) (win32_get_osfhandle (x))
436 #else
437 # define TO_SOCKET(x) (x)
438 #endif
439
440 static void
441 create_respipe (void)
442 {
443 #ifdef _WIN32
444 int arg; /* argg */
445 #endif
446 int old_readfd = respipe [0];
447
448 if (respipe [1] >= 0)
449 respipe_close (TO_SOCKET (respipe [1]));
450
451 #ifdef _WIN32
452 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
453 #else
454 if (pipe (respipe))
455 #endif
456 croak ("unable to initialize result pipe");
457
458 if (old_readfd >= 0)
459 {
460 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
461 croak ("unable to initialize result pipe(2)");
462
463 respipe_close (respipe [0]);
464 respipe [0] = old_readfd;
465 }
466
467 #ifdef _WIN32
468 arg = 1;
469 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
470 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
471 #else
472 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
473 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
474 #endif
475 croak ("unable to initialize result pipe(3)");
476
477 respipe_osf [0] = TO_SOCKET (respipe [0]);
478 respipe_osf [1] = TO_SOCKET (respipe [1]);
479 }
480
481 X_THREAD_PROC (bdb_proc);
482
483 static void start_thread (void)
484 {
485 worker *wrk = calloc (1, sizeof (worker));
486
487 if (!wrk)
488 croak ("unable to allocate worker thread data");
489
490 X_LOCK (wrklock);
491 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
492 {
493 wrk->prev = &wrk_first;
494 wrk->next = wrk_first.next;
495 wrk_first.next->prev = wrk;
496 wrk_first.next = wrk;
497 ++started;
498 }
499 else
500 free (wrk);
501
502 X_UNLOCK (wrklock);
503 }
504
505 static void maybe_start_thread (void)
506 {
507 if (get_nthreads () >= wanted)
508 return;
509
510 /* todo: maybe use idle here, but might be less exact */
511 if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs)
512 return;
513
514 start_thread ();
515 }
516
517 static void req_send (bdb_req req)
518 {
519 SV *wait_callback = 0;
520
521 if (on_next_submit)
522 {
523 dSP;
524 SV *cb = sv_2mortal (on_next_submit);
525
526 on_next_submit = 0;
527
528 PUSHMARK (SP);
529 PUTBACK;
530 call_sv (cb, G_DISCARD | G_EVAL);
531 }
532
533 // synthesize callback if none given
534 if (!req->callback)
535 {
536 int count;
537
538 dSP;
539 PUSHMARK (SP);
540 PUTBACK;
541 count = call_sv (prepare_cb, G_ARRAY);
542 SPAGAIN;
543
544 if (count != 2)
545 croak ("prepare callback must return exactly two values\n");
546
547 wait_callback = POPs;
548 SvREFCNT_dec (req->callback);
549 req->callback = SvREFCNT_inc (POPs);
550 }
551
552 ++nreqs;
553
554 X_LOCK (reqlock);
555 ++nready;
556 reqq_push (&req_queue, req);
557 X_COND_SIGNAL (reqwait);
558 X_UNLOCK (reqlock);
559
560 maybe_start_thread ();
561
562 if (wait_callback)
563 {
564 dSP;
565 PUSHMARK (SP);
566 PUTBACK;
567 call_sv (wait_callback, G_DISCARD);
568 }
569 }
570
571 static void end_thread (void)
572 {
573 bdb_req req;
574
575 Newz (0, req, 1, bdb_cb);
576
577 req->type = REQ_QUIT;
578 req->pri = PRI_MAX + PRI_BIAS;
579
580 X_LOCK (reqlock);
581 reqq_push (&req_queue, req);
582 X_COND_SIGNAL (reqwait);
583 X_UNLOCK (reqlock);
584
585 X_LOCK (wrklock);
586 --started;
587 X_UNLOCK (wrklock);
588 }
589
590 static void set_max_idle (int nthreads)
591 {
592 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
593 max_idle = nthreads <= 0 ? 1 : nthreads;
594 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
595 }
596
597 static void min_parallel (int nthreads)
598 {
599 if (wanted < nthreads)
600 wanted = nthreads;
601 }
602
603 static void max_parallel (int nthreads)
604 {
605 if (wanted > nthreads)
606 wanted = nthreads;
607
608 while (started > wanted)
609 end_thread ();
610 }
611
612 static void poll_wait (void)
613 {
614 fd_set rfd;
615
616 while (nreqs)
617 {
618 int size;
619 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
620 size = res_queue.size;
621 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
622
623 if (size)
624 return;
625
626 maybe_start_thread ();
627
628 FD_ZERO (&rfd);
629 FD_SET (respipe [0], &rfd);
630
631 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
632 }
633 }
634
635 static int poll_cb (void)
636 {
637 dSP;
638 int count = 0;
639 int maxreqs = max_poll_reqs;
640 int do_croak = 0;
641 struct timeval tv_start, tv_now;
642 bdb_req req;
643
644 if (max_poll_time)
645 gettimeofday (&tv_start, 0);
646
647 for (;;)
648 {
649 for (;;)
650 {
651 maybe_start_thread ();
652
653 X_LOCK (reslock);
654 req = reqq_shift (&res_queue);
655
656 if (req)
657 {
658 --npending;
659
660 if (!res_queue.size)
661 {
662 /* read any signals sent by the worker threads */
663 char buf [4];
664 while (respipe_read (respipe [0], buf, 4) == 4)
665 ;
666 }
667 }
668
669 X_UNLOCK (reslock);
670
671 if (!req)
672 break;
673
674 --nreqs;
675
676 if (!req_invoke (req))
677 {
678 req_free (req);
679 croak (0);
680 }
681
682 count++;
683
684 req_free (req);
685
686 if (maxreqs && !--maxreqs)
687 break;
688
689 if (max_poll_time)
690 {
691 gettimeofday (&tv_now, 0);
692
693 if (tvdiff (&tv_start, &tv_now) >= max_poll_time)
694 break;
695 }
696 }
697
698 if (nreqs <= max_outstanding)
699 break;
700
701 poll_wait ();
702
703 ++maxreqs;
704 }
705
706 return count;
707 }
708
709 /*****************************************************************************/
710
711 X_THREAD_PROC (bdb_proc)
712 {
713 bdb_req req;
714 struct timespec ts;
715 worker *self = (worker *)thr_arg;
716
717 /* try to distribute timeouts somewhat evenly */
718 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
719
720 for (;;)
721 {
722 ts.tv_sec = time (0) + IDLE_TIMEOUT;
723
724 X_LOCK (reqlock);
725
726 for (;;)
727 {
728 self->req = req = reqq_shift (&req_queue);
729
730 if (req)
731 break;
732
733 ++idle;
734
735 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
736 == ETIMEDOUT)
737 {
738 if (idle > max_idle)
739 {
740 --idle;
741 X_UNLOCK (reqlock);
742 X_LOCK (wrklock);
743 --started;
744 X_UNLOCK (wrklock);
745 goto quit;
746 }
747
748 /* we are allowed to idle, so do so without any timeout */
749 X_COND_WAIT (reqwait, reqlock);
750 ts.tv_sec = time (0) + IDLE_TIMEOUT;
751 }
752
753 --idle;
754 }
755
756 --nready;
757
758 X_UNLOCK (reqlock);
759
760 switch (req->type)
761 {
762 case REQ_QUIT:
763 req->result = ENOSYS;
764 goto quit;
765
766 case REQ_ENV_OPEN:
767 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
768 break;
769
770 case REQ_ENV_CLOSE:
771 req->result = req->env->close (req->env, req->uint1);
772 break;
773
774 case REQ_ENV_TXN_CHECKPOINT:
775 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
776 break;
777
778 case REQ_ENV_LOCK_DETECT:
779 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
780 break;
781
782 case REQ_ENV_MEMP_SYNC:
783 req->result = req->env->memp_sync (req->env, 0);
784 break;
785
786 case REQ_ENV_MEMP_TRICKLE:
787 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
788 break;
789
790 case REQ_ENV_DBREMOVE:
791 req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
792 break;
793
794 case REQ_ENV_DBRENAME:
795 req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
796 break;
797
798 case REQ_DB_OPEN:
799 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
800 break;
801
802 case REQ_DB_CLOSE:
803 req->result = req->db->close (req->db, req->uint1);
804 break;
805
806 #if DB_VERSION_MINOR >= 4
807 case REQ_DB_COMPACT:
808 req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
809 break;
810 #endif
811
812 case REQ_DB_SYNC:
813 req->result = req->db->sync (req->db, req->uint1);
814 break;
815
816 case REQ_DB_UPGRADE:
817 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
818 break;
819
820 case REQ_DB_PUT:
821 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
822 break;
823
824 #if DB_VERSION_MINOR >= 6
825 case REQ_DB_EXISTS:
826 req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
827 break;
828 #endif
829 case REQ_DB_GET:
830 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
831 break;
832
833 case REQ_DB_PGET:
834 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
835 break;
836
837 case REQ_DB_DEL:
838 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
839 break;
840
841 case REQ_DB_KEY_RANGE:
842 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
843 break;
844
845 case REQ_TXN_COMMIT:
846 req->result = req->txn->commit (req->txn, req->uint1);
847 break;
848
849 case REQ_TXN_ABORT:
850 req->result = req->txn->abort (req->txn);
851 break;
852
853 case REQ_TXN_FINISH:
854 if (req->txn->flags & TXN_DEADLOCK)
855 {
856 req->result = req->txn->abort (req->txn);
857 if (!req->result)
858 req->result = DB_LOCK_DEADLOCK;
859 }
860 else
861 req->result = req->txn->commit (req->txn, req->uint1);
862 break;
863
864 case REQ_C_CLOSE:
865 req->result = req->dbc->c_close (req->dbc);
866 break;
867
868 case REQ_C_COUNT:
869 {
870 db_recno_t recno;
871 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
872 req->uv1 = recno;
873 }
874 break;
875
876 case REQ_C_PUT:
877 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
878 break;
879
880 case REQ_C_GET:
881 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
882 break;
883
884 case REQ_C_PGET:
885 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
886 break;
887
888 case REQ_C_DEL:
889 req->result = req->dbc->c_del (req->dbc, req->uint1);
890 break;
891
892 #if DB_VERSION_MINOR >= 3
893 case REQ_SEQ_OPEN:
894 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
895 break;
896
897 case REQ_SEQ_CLOSE:
898 req->result = req->seq->close (req->seq, req->uint1);
899 break;
900
901 case REQ_SEQ_GET:
902 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
903 break;
904
905 case REQ_SEQ_REMOVE:
906 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
907 break;
908 #endif
909
910 default:
911 req->result = ENOSYS;
912 break;
913 }
914
915 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
916 req->txn->flags |= TXN_DEADLOCK;
917
918 X_LOCK (reslock);
919
920 ++npending;
921
922 if (!reqq_push (&res_queue, req))
923 /* write a dummy byte to the pipe so fh becomes ready */
924 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
925
926 self->req = 0;
927 worker_clear (self);
928
929 X_UNLOCK (reslock);
930 }
931
932 quit:
933 X_LOCK (wrklock);
934 worker_free (self);
935 X_UNLOCK (wrklock);
936
937 return 0;
938 }
939
940 /*****************************************************************************/
941
942 static void atfork_prepare (void)
943 {
944 X_LOCK (wrklock);
945 X_LOCK (reqlock);
946 X_LOCK (reslock);
947 }
948
949 static void atfork_parent (void)
950 {
951 X_UNLOCK (reslock);
952 X_UNLOCK (reqlock);
953 X_UNLOCK (wrklock);
954 }
955
956 static void atfork_child (void)
957 {
958 bdb_req prv;
959
960 while (prv = reqq_shift (&req_queue))
961 req_free (prv);
962
963 while (prv = reqq_shift (&res_queue))
964 req_free (prv);
965
966 while (wrk_first.next != &wrk_first)
967 {
968 worker *wrk = wrk_first.next;
969
970 if (wrk->req)
971 req_free (wrk->req);
972
973 worker_clear (wrk);
974 worker_free (wrk);
975 }
976
977 started = 0;
978 idle = 0;
979 nreqs = 0;
980 nready = 0;
981 npending = 0;
982
983 create_respipe ();
984
985 atfork_parent ();
986 }
987
988 #define dREQ(reqtype) \
989 bdb_req req; \
990 int req_pri = next_pri; \
991 next_pri = DEFAULT_PRI + PRI_BIAS; \
992 \
993 if (callback && SvOK (callback)) \
994 croak ("callback has illegal type or extra arguments"); \
995 \
996 Newz (0, req, 1, bdb_cb); \
997 if (!req) \
998 croak ("out of memory during bdb_req allocation"); \
999 \
1000 req->callback = cb ? SvREFCNT_inc (cb) : 0; \
1001 req->type = (reqtype); \
1002 req->pri = req_pri
1003
1004 #define REQ_SEND \
1005 req_send (req)
1006
1007 #define SvPTR(var, arg, type, class, nullok) \
1008 if (!SvOK (arg)) \
1009 { \
1010 if (nullok != 1) \
1011 croak (# var " must be a " # class " object, not undef"); \
1012 \
1013 (var) = 0; \
1014 } \
1015 else if (sv_derived_from ((arg), # class)) \
1016 { \
1017 IV tmp = SvIV ((SV*) SvRV (arg)); \
1018 (var) = INT2PTR (type, tmp); \
1019 if (!var && nullok != 2) \
1020 croak (# var " is not a valid " # class " object anymore"); \
1021 } \
1022 else \
1023 croak (# var " is not of type " # class);
1024
1025 static void
1026 ptr_nuke (SV *sv)
1027 {
1028 assert (SvROK (sv));
1029 sv_setiv (SvRV (sv), 0);
1030 }
1031
1032 static int
1033 errno_get (pTHX_ SV *sv, MAGIC *mg)
1034 {
1035 if (*mg->mg_ptr == '!') // should always be the case
1036 if (-30999 <= errno && errno <= -30800)
1037 {
1038 sv_setnv (sv, (NV)errno);
1039 sv_setpv (sv, db_strerror (errno));
1040 SvNOK_on (sv); /* what a wonderful hack! */
1041 // ^^^ copied from perl sources
1042 return 0;
1043 }
1044
1045 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1046 }
1047
1048 static MGVTBL vtbl_errno;
1049
1050 // this wonderful hack :( patches perl's $! variable to support our errno values
1051 static void
1052 patch_errno (void)
1053 {
1054 SV *sv;
1055 MAGIC *mg;
1056
1057 if (!(sv = get_sv ("!", 1)))
1058 return;
1059
1060 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1061 return;
1062
1063 if (mg->mg_virtual != &PL_vtbl_sv)
1064 return;
1065
1066 vtbl_errno = PL_vtbl_sv;
1067 vtbl_errno.svt_get = errno_get;
1068 mg->mg_virtual = &vtbl_errno;
1069 }
1070
1071 #if __GNUC__ >= 4
1072 # define noinline __attribute__ ((noinline))
1073 #else
1074 # define noinline
1075 #endif
1076
1077 static noinline SV *
1078 pop_callback (I32 *ritems, SV *sv)
1079 {
1080 if (SvROK (sv))
1081 {
1082 HV *st;
1083 GV *gvp;
1084 CV *cv;
1085 const char *name;
1086
1087 /* forgive me */
1088 if (SvTYPE (SvRV (sv)) == SVt_PVMG
1089 && (st = SvSTASH (SvRV (sv)))
1090 && (name = HvNAME_get (st))
1091 && (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
1092 return 0;
1093
1094 if ((cv = sv_2cv (sv, &st, &gvp, 0)))
1095 {
1096 --*ritems;
1097 return (SV *)cv;
1098 }
1099 }
1100
1101 return 0;
1102 }
1103
1104 /* stupid windoes defined CALLBACK as well */
1105 #undef CALLBACK
1106 #define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1107
1108 MODULE = BDB PACKAGE = BDB
1109
1110 PROTOTYPES: ENABLE
1111
1112 BOOT:
1113 {
1114 HV *stash = gv_stashpv ("BDB", 1);
1115
1116 static const struct {
1117 const char *name;
1118 IV iv;
1119 } *civ, const_iv[] = {
1120 #define const_iv(name) { # name, (IV)DB_ ## name },
1121 const_iv (RPCCLIENT)
1122 const_iv (INIT_CDB)
1123 const_iv (INIT_LOCK)
1124 const_iv (INIT_LOG)
1125 const_iv (INIT_MPOOL)
1126 const_iv (INIT_REP)
1127 const_iv (INIT_TXN)
1128 const_iv (RECOVER)
1129 const_iv (INIT_TXN)
1130 const_iv (RECOVER_FATAL)
1131 const_iv (CREATE)
1132 const_iv (RDONLY)
1133 const_iv (USE_ENVIRON)
1134 const_iv (USE_ENVIRON_ROOT)
1135 const_iv (LOCKDOWN)
1136 const_iv (PRIVATE)
1137 const_iv (SYSTEM_MEM)
1138 const_iv (AUTO_COMMIT)
1139 const_iv (CDB_ALLDB)
1140 const_iv (DIRECT_DB)
1141 const_iv (NOLOCKING)
1142 const_iv (NOMMAP)
1143 const_iv (NOPANIC)
1144 const_iv (OVERWRITE)
1145 const_iv (PANIC_ENVIRONMENT)
1146 const_iv (REGION_INIT)
1147 const_iv (TIME_NOTGRANTED)
1148 const_iv (TXN_NOSYNC)
1149 const_iv (TXN_NOT_DURABLE)
1150 const_iv (TXN_WRITE_NOSYNC)
1151 const_iv (WRITECURSOR)
1152 const_iv (YIELDCPU)
1153 const_iv (ENCRYPT_AES)
1154 const_iv (XA_CREATE)
1155 const_iv (BTREE)
1156 const_iv (HASH)
1157 const_iv (QUEUE)
1158 const_iv (RECNO)
1159 const_iv (UNKNOWN)
1160 const_iv (EXCL)
1161 const_iv (TRUNCATE)
1162 const_iv (NOSYNC)
1163 const_iv (CHKSUM)
1164 const_iv (ENCRYPT)
1165 const_iv (DUP)
1166 const_iv (DUPSORT)
1167 const_iv (RECNUM)
1168 const_iv (RENUMBER)
1169 const_iv (REVSPLITOFF)
1170 const_iv (CONSUME)
1171 const_iv (CONSUME_WAIT)
1172 const_iv (GET_BOTH)
1173 const_iv (GET_BOTH_RANGE)
1174 //const_iv (SET_RECNO)
1175 //const_iv (MULTIPLE)
1176 const_iv (SNAPSHOT)
1177 const_iv (JOIN_ITEM)
1178 const_iv (JOIN_NOSORT)
1179 const_iv (RMW)
1180
1181 const_iv (NOTFOUND)
1182 const_iv (KEYEMPTY)
1183 const_iv (LOCK_DEADLOCK)
1184 const_iv (LOCK_NOTGRANTED)
1185 const_iv (RUNRECOVERY)
1186 const_iv (OLD_VERSION)
1187 const_iv (REP_HANDLE_DEAD)
1188 const_iv (SECONDARY_BAD)
1189
1190 const_iv (APPEND)
1191 const_iv (NODUPDATA)
1192 const_iv (NOOVERWRITE)
1193
1194 const_iv (TXN_NOWAIT)
1195 const_iv (TXN_SYNC)
1196
1197 const_iv (SET_LOCK_TIMEOUT)
1198 const_iv (SET_TXN_TIMEOUT)
1199
1200 const_iv (FIRST)
1201 const_iv (NEXT)
1202 const_iv (NEXT_DUP)
1203 const_iv (NEXT_NODUP)
1204 const_iv (PREV)
1205 const_iv (PREV_NODUP)
1206 const_iv (SET)
1207 const_iv (SET_RANGE)
1208 const_iv (LAST)
1209 const_iv (BEFORE)
1210 const_iv (AFTER)
1211 const_iv (CURRENT)
1212 const_iv (KEYFIRST)
1213 const_iv (KEYLAST)
1214 const_iv (NODUPDATA)
1215
1216 const_iv (FORCE)
1217
1218 const_iv (LOCK_DEFAULT)
1219 const_iv (LOCK_EXPIRE)
1220 const_iv (LOCK_MAXLOCKS)
1221 const_iv (LOCK_MINLOCKS)
1222 const_iv (LOCK_MINWRITE)
1223 const_iv (LOCK_OLDEST)
1224 const_iv (LOCK_RANDOM)
1225 const_iv (LOCK_YOUNGEST)
1226
1227 const_iv (DONOTINDEX)
1228 const_iv (KEYEMPTY )
1229 const_iv (KEYEXIST )
1230 const_iv (LOCK_DEADLOCK)
1231 const_iv (LOCK_NOTGRANTED)
1232 const_iv (NOSERVER)
1233 const_iv (NOSERVER_HOME)
1234 const_iv (NOSERVER_ID)
1235 const_iv (NOTFOUND)
1236 const_iv (PAGE_NOTFOUND)
1237 const_iv (REP_DUPMASTER)
1238 const_iv (REP_HANDLE_DEAD)
1239 const_iv (REP_HOLDELECTION)
1240 const_iv (REP_ISPERM)
1241 const_iv (REP_NEWMASTER)
1242 const_iv (REP_NEWSITE)
1243 const_iv (REP_NOTPERM)
1244 const_iv (REP_UNAVAIL)
1245 const_iv (RUNRECOVERY)
1246 const_iv (SECONDARY_BAD)
1247 const_iv (VERIFY_BAD)
1248
1249 const_iv (VERB_DEADLOCK)
1250 const_iv (VERB_RECOVERY)
1251 const_iv (VERB_REPLICATION)
1252 const_iv (VERB_WAITSFOR)
1253
1254 const_iv (VERSION_MAJOR)
1255 const_iv (VERSION_MINOR)
1256 const_iv (VERSION_PATCH)
1257 #if DB_VERSION_MINOR >= 3
1258 const_iv (INORDER)
1259 const_iv (LOCK_MAXWRITE)
1260 const_iv (SEQ_DEC)
1261 const_iv (SEQ_INC)
1262 const_iv (SEQ_WRAP)
1263 const_iv (BUFFER_SMALL)
1264 const_iv (LOG_BUFFER_FULL)
1265 const_iv (VERSION_MISMATCH)
1266 #endif
1267 #if DB_VERSION_MINOR >= 4
1268 const_iv (REGISTER)
1269 const_iv (DSYNC_DB)
1270 const_iv (READ_COMMITTED)
1271 const_iv (READ_UNCOMMITTED)
1272 const_iv (REP_IGNORE)
1273 const_iv (REP_LOCKOUT)
1274 const_iv (REP_JOIN_FAILURE)
1275 const_iv (FREE_SPACE)
1276 const_iv (FREELIST_ONLY)
1277 const_iv (VERB_REGISTER)
1278 #endif
1279 #if DB_VERSION_MINOR >= 5
1280 const_iv (MULTIVERSION)
1281 const_iv (TXN_SNAPSHOT)
1282 #endif
1283 #if DB_VERSION_MINOR >= 6
1284 const_iv (PREV_DUP)
1285 const_iv (PRIORITY_UNCHANGED)
1286 const_iv (PRIORITY_VERY_LOW)
1287 const_iv (PRIORITY_LOW)
1288 const_iv (PRIORITY_DEFAULT)
1289 const_iv (PRIORITY_HIGH)
1290 const_iv (PRIORITY_VERY_HIGH)
1291 #endif
1292 #if DB_VERSION_MINOR >= 7
1293 const_iv (LOG_DIRECT)
1294 const_iv (LOG_DSYNC)
1295 const_iv (LOG_AUTO_REMOVE)
1296 const_iv (LOG_IN_MEMORY)
1297 const_iv (LOG_ZERO)
1298 #else
1299 const_iv (DIRECT_LOG)
1300 const_iv (LOG_AUTOREMOVE)
1301 # if DB_VERSION_MINOR >= 3
1302 const_iv (DSYNC_LOG)
1303 const_iv (LOG_INMEMORY)
1304 # endif
1305 #endif
1306 };
1307
1308 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1309 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1310
1311 {
1312 /* we currently only allow version, minor-version and patchlevel to go up to 255 */
1313 char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1314
1315 newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
1316 }
1317
1318 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1319
1320 create_respipe ();
1321
1322 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1323 patch_errno ();
1324 }
1325
1326 void
1327 max_poll_reqs (int nreqs)
1328 PROTOTYPE: $
1329 CODE:
1330 max_poll_reqs = nreqs;
1331
1332 void
1333 max_poll_time (double nseconds)
1334 PROTOTYPE: $
1335 CODE:
1336 max_poll_time = nseconds * AIO_TICKS;
1337
1338 void
1339 min_parallel (int nthreads)
1340 PROTOTYPE: $
1341
1342 void
1343 max_parallel (int nthreads)
1344 PROTOTYPE: $
1345
1346 void
1347 max_idle (int nthreads)
1348 PROTOTYPE: $
1349 CODE:
1350 set_max_idle (nthreads);
1351
1352 int
1353 max_outstanding (int maxreqs)
1354 PROTOTYPE: $
1355 CODE:
1356 RETVAL = max_outstanding;
1357 max_outstanding = maxreqs;
1358 OUTPUT:
1359 RETVAL
1360
1361 int
1362 dbreq_pri (int pri = 0)
1363 PROTOTYPE: ;$
1364 CODE:
1365 RETVAL = next_pri - PRI_BIAS;
1366 if (items > 0)
1367 {
1368 if (pri < PRI_MIN) pri = PRI_MIN;
1369 if (pri > PRI_MAX) pri = PRI_MAX;
1370 next_pri = pri + PRI_BIAS;
1371 }
1372 OUTPUT:
1373 RETVAL
1374
1375 void
1376 dbreq_nice (int nice = 0)
1377 CODE:
1378 nice = next_pri - nice;
1379 if (nice < PRI_MIN) nice = PRI_MIN;
1380 if (nice > PRI_MAX) nice = PRI_MAX;
1381 next_pri = nice + PRI_BIAS;
1382
1383 void
1384 flush ()
1385 PROTOTYPE:
1386 CODE:
1387 while (nreqs)
1388 {
1389 poll_wait ();
1390 poll_cb ();
1391 }
1392
1393 int
1394 poll ()
1395 PROTOTYPE:
1396 CODE:
1397 poll_wait ();
1398 RETVAL = poll_cb ();
1399 OUTPUT:
1400 RETVAL
1401
1402 int
1403 poll_fileno ()
1404 PROTOTYPE:
1405 CODE:
1406 RETVAL = respipe [0];
1407 OUTPUT:
1408 RETVAL
1409
1410 int
1411 poll_cb (...)
1412 PROTOTYPE:
1413 CODE:
1414 RETVAL = poll_cb ();
1415 OUTPUT:
1416 RETVAL
1417
1418 void
1419 poll_wait ()
1420 PROTOTYPE:
1421 CODE:
1422 poll_wait ();
1423
1424 int
1425 nreqs ()
1426 PROTOTYPE:
1427 CODE:
1428 RETVAL = nreqs;
1429 OUTPUT:
1430 RETVAL
1431
1432 int
1433 nready ()
1434 PROTOTYPE:
1435 CODE:
1436 RETVAL = get_nready ();
1437 OUTPUT:
1438 RETVAL
1439
1440 int
1441 npending ()
1442 PROTOTYPE:
1443 CODE:
1444 RETVAL = get_npending ();
1445 OUTPUT:
1446 RETVAL
1447
1448 int
1449 nthreads ()
1450 PROTOTYPE:
1451 CODE:
1452 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1453 RETVAL = started;
1454 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1455 OUTPUT:
1456 RETVAL
1457
1458 void
1459 set_sync_prepare (SV *cb)
1460 PROTOTYPE: &
1461 CODE:
1462 SvREFCNT_dec (prepare_cb);
1463 prepare_cb = newSVsv (cb);
1464
1465 char *
1466 strerror (int errorno = errno)
1467 PROTOTYPE: ;$
1468 CODE:
1469 RETVAL = db_strerror (errorno);
1470 OUTPUT:
1471 RETVAL
1472
1473 void _on_next_submit (SV *cb)
1474 CODE:
1475 SvREFCNT_dec (on_next_submit);
1476 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1477
1478 DB_ENV *
1479 db_env_create (U32 env_flags = 0)
1480 CODE:
1481 {
1482 errno = db_env_create (&RETVAL, env_flags);
1483 if (errno)
1484 croak ("db_env_create: %s", db_strerror (errno));
1485
1486 if (0)
1487 {
1488 RETVAL->set_errcall (RETVAL, debug_errcall);
1489 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1490 }
1491 }
1492 OUTPUT:
1493 RETVAL
1494
1495 void
1496 db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1497 PREINIT:
1498 CALLBACK
1499 CODE:
1500 {
1501 dREQ (REQ_ENV_OPEN);
1502 req->env = env;
1503 req->uint1 = open_flags | DB_THREAD;
1504 req->int1 = mode;
1505 req->buf1 = strdup_ornull (db_home);
1506 REQ_SEND;
1507 }
1508
1509 void
1510 db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1511 PREINIT:
1512 CALLBACK
1513 CODE:
1514 {
1515 dREQ (REQ_ENV_CLOSE);
1516 req->env = env;
1517 req->uint1 = flags;
1518 REQ_SEND;
1519 ptr_nuke (ST (0));
1520 }
1521
1522 void
1523 db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1524 PREINIT:
1525 CALLBACK
1526 CODE:
1527 {
1528 dREQ (REQ_ENV_TXN_CHECKPOINT);
1529 req->env = env;
1530 req->uint1 = kbyte;
1531 req->int1 = min;
1532 req->uint2 = flags;
1533 REQ_SEND;
1534 }
1535
1536 void
1537 db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1538 PREINIT:
1539 CALLBACK
1540 CODE:
1541 {
1542 dREQ (REQ_ENV_LOCK_DETECT);
1543 req->env = env;
1544 req->uint1 = flags;
1545 req->uint2 = atype;
1546 /* req->int2 = 0; dummy */
1547 REQ_SEND;
1548 }
1549
1550 void
1551 db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1552 PREINIT:
1553 CALLBACK
1554 CODE:
1555 {
1556 dREQ (REQ_ENV_MEMP_SYNC);
1557 req->env = env;
1558 REQ_SEND;
1559 }
1560
1561 void
1562 db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1563 PREINIT:
1564 CALLBACK
1565 CODE:
1566 {
1567 dREQ (REQ_ENV_MEMP_TRICKLE);
1568 req->env = env;
1569 req->int1 = percent;
1570 REQ_SEND;
1571 }
1572
1573 void
1574 db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1575 PREINIT:
1576 CALLBACK
1577 CODE:
1578 {
1579 dREQ (REQ_ENV_DBREMOVE);
1580 req->env = env;
1581 req->buf1 = strdup_ornull (file);
1582 req->buf2 = strdup_ornull (database);
1583 req->uint1 = flags;
1584 REQ_SEND;
1585 }
1586
1587 void
1588 db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
1589 PREINIT:
1590 CALLBACK
1591 CODE:
1592 {
1593 dREQ (REQ_ENV_DBRENAME);
1594 req->env = env;
1595 req->buf1 = strdup_ornull (file);
1596 req->buf2 = strdup_ornull (database);
1597 req->buf3 = strdup_ornull (newname);
1598 req->uint1 = flags;
1599 REQ_SEND;
1600 }
1601
1602 DB *
1603 db_create (DB_ENV *env = 0, U32 flags = 0)
1604 CODE:
1605 {
1606 errno = db_create (&RETVAL, env, flags);
1607 if (errno)
1608 croak ("db_create: %s", db_strerror (errno));
1609
1610 if (RETVAL)
1611 RETVAL->app_private = (void *)newSVsv (ST (0));
1612 }
1613 OUTPUT:
1614 RETVAL
1615
1616 void
1617 db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1618 PREINIT:
1619 CALLBACK
1620 CODE:
1621 {
1622 dREQ (REQ_DB_OPEN);
1623 req->db = db;
1624 req->txn = txnid;
1625 req->buf1 = strdup_ornull (file);
1626 req->buf2 = strdup_ornull (database);
1627 req->int1 = type;
1628 req->uint1 = flags | DB_THREAD;
1629 req->int2 = mode;
1630 REQ_SEND;
1631 }
1632
1633 void
1634 db_close (DB *db, U32 flags = 0, SV *callback = 0)
1635 PREINIT:
1636 CALLBACK
1637 CODE:
1638 {
1639 dREQ (REQ_DB_CLOSE);
1640 req->db = db;
1641 req->uint1 = flags;
1642 req->sv1 = (SV *)db->app_private;
1643 REQ_SEND;
1644 ptr_nuke (ST (0));
1645 }
1646
1647 #if DB_VERSION_MINOR >= 4
1648
1649 void
1650 db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
1651 PREINIT:
1652 CALLBACK
1653 CODE:
1654 {
1655 dREQ (REQ_DB_COMPACT);
1656 req->db = db;
1657 req->txn = txn;
1658 sv_to_dbt (&req->dbt1, start);
1659 sv_to_dbt (&req->dbt2, stop);
1660 req->uint1 = flags;
1661 REQ_SEND;
1662 }
1663
1664 #endif
1665
1666 void
1667 db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1668 PREINIT:
1669 CALLBACK
1670 CODE:
1671 {
1672 dREQ (REQ_DB_SYNC);
1673 req->db = db;
1674 req->uint1 = flags;
1675 REQ_SEND;
1676 }
1677
1678 void
1679 db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1680 PREINIT:
1681 CALLBACK
1682 CODE:
1683 {
1684 dREQ (REQ_DB_SYNC);
1685 req->db = db;
1686 req->buf1 = strdup (file);
1687 req->uint1 = flags;
1688 REQ_SEND;
1689 }
1690
1691 void
1692 db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
1693 PREINIT:
1694 CALLBACK
1695 CODE:
1696 {
1697 dREQ (REQ_DB_KEY_RANGE);
1698 req->db = db;
1699 req->txn = txn;
1700 sv_to_dbt (&req->dbt1, key);
1701 req->uint1 = flags;
1702 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1703 REQ_SEND;
1704 }
1705
1706 void
1707 db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1708 PREINIT:
1709 CALLBACK
1710 CODE:
1711 {
1712 dREQ (REQ_DB_PUT);
1713 req->db = db;
1714 req->txn = txn;
1715 sv_to_dbt (&req->dbt1, key);
1716 sv_to_dbt (&req->dbt2, data);
1717 req->uint1 = flags;
1718 REQ_SEND;
1719 }
1720
1721 #if DB_VERSION_MINOR >= 6
1722
1723 void
1724 db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1725 PREINIT:
1726 CALLBACK
1727 CODE:
1728 {
1729 dREQ (REQ_DB_EXISTS);
1730 req->db = db;
1731 req->txn = txn;
1732 req->uint1 = flags;
1733 sv_to_dbt (&req->dbt1, key);
1734 REQ_SEND;
1735 }
1736
1737 #endif
1738
1739 void
1740 db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1741 PREINIT:
1742 CALLBACK
1743 CODE:
1744 if (SvREADONLY (data))
1745 croak ("can't modify read-only data scalar in db_get");
1746 {
1747 dREQ (REQ_DB_GET);
1748 req->db = db;
1749 req->txn = txn;
1750 req->uint1 = flags;
1751 sv_to_dbt (&req->dbt1, key);
1752 req->dbt3.flags = DB_DBT_MALLOC;
1753 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1754 REQ_SEND;
1755 }
1756
1757 void
1758 db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
1759 PREINIT:
1760 CALLBACK
1761 CODE:
1762 if (SvREADONLY (data))
1763 croak ("can't modify read-only data scalar in db_pget");
1764 {
1765 dREQ (REQ_DB_PGET);
1766 req->db = db;
1767 req->txn = txn;
1768 req->uint1 = flags;
1769 sv_to_dbt (&req->dbt1, key);
1770 sv_to_dbt (&req->dbt2, pkey);
1771 req->dbt3.flags = DB_DBT_MALLOC;
1772 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1773 REQ_SEND;
1774 }
1775
1776 void
1777 db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1778 PREINIT:
1779 CALLBACK
1780 CODE:
1781 {
1782 dREQ (REQ_DB_DEL);
1783 req->db = db;
1784 req->txn = txn;
1785 req->uint1 = flags;
1786 sv_to_dbt (&req->dbt1, key);
1787 REQ_SEND;
1788 }
1789
1790 void
1791 db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1792 PREINIT:
1793 CALLBACK
1794 CODE:
1795 {
1796 dREQ (REQ_TXN_COMMIT);
1797 req->txn = txn;
1798 req->uint1 = flags;
1799 REQ_SEND;
1800 ptr_nuke (ST (0));
1801 }
1802
1803 void
1804 db_txn_abort (DB_TXN *txn, SV *callback = 0)
1805 PREINIT:
1806 CALLBACK
1807 CODE:
1808 {
1809 dREQ (REQ_TXN_ABORT);
1810 req->txn = txn;
1811 REQ_SEND;
1812 ptr_nuke (ST (0));
1813 }
1814
1815 void
1816 db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1817 PREINIT:
1818 CALLBACK
1819 CODE:
1820 {
1821 dREQ (REQ_TXN_FINISH);
1822 req->txn = txn;
1823 req->uint1 = flags;
1824 REQ_SEND;
1825 ptr_nuke (ST (0));
1826 }
1827
1828 void
1829 db_c_close (DBC *dbc, SV *callback = 0)
1830 PREINIT:
1831 CALLBACK
1832 CODE:
1833 {
1834 dREQ (REQ_C_CLOSE);
1835 req->dbc = dbc;
1836 REQ_SEND;
1837 ptr_nuke (ST (0));
1838 }
1839
1840 void
1841 db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1842 PREINIT:
1843 CALLBACK
1844 CODE:
1845 {
1846 dREQ (REQ_C_COUNT);
1847 req->dbc = dbc;
1848 req->sv1 = SvREFCNT_inc (count);
1849 REQ_SEND;
1850 }
1851
1852 void
1853 db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1854 PREINIT:
1855 CALLBACK
1856 CODE:
1857 {
1858 dREQ (REQ_C_PUT);
1859 req->dbc = dbc;
1860 sv_to_dbt (&req->dbt1, key);
1861 sv_to_dbt (&req->dbt2, data);
1862 req->uint1 = flags;
1863 REQ_SEND;
1864 }
1865
1866 void
1867 db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1868 PREINIT:
1869 CALLBACK
1870 CODE:
1871 {
1872 dREQ (REQ_C_GET);
1873 req->dbc = dbc;
1874 req->uint1 = flags;
1875 if ((flags & DB_SET) == DB_SET
1876 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1877 sv_to_dbt (&req->dbt1, key);
1878 else
1879 req->dbt1.flags = DB_DBT_MALLOC;
1880
1881 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1882
1883 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1884 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1885 sv_to_dbt (&req->dbt3, data);
1886 else
1887 req->dbt3.flags = DB_DBT_MALLOC;
1888
1889 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1890 REQ_SEND;
1891 }
1892
1893 void
1894 db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
1895 PREINIT:
1896 CALLBACK
1897 CODE:
1898 {
1899 dREQ (REQ_C_PGET);
1900 req->dbc = dbc;
1901 req->uint1 = flags;
1902 if ((flags & DB_SET) == DB_SET
1903 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1904 sv_to_dbt (&req->dbt1, key);
1905 else
1906 req->dbt1.flags = DB_DBT_MALLOC;
1907
1908 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1909
1910 req->dbt2.flags = DB_DBT_MALLOC;
1911 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1912
1913 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1914 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1915 sv_to_dbt (&req->dbt3, data);
1916 else
1917 req->dbt3.flags = DB_DBT_MALLOC;
1918
1919 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1920 REQ_SEND;
1921 }
1922
1923 void
1924 db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
1925 PREINIT:
1926 CALLBACK
1927 CODE:
1928 {
1929 dREQ (REQ_C_DEL);
1930 req->dbc = dbc;
1931 req->uint1 = flags;
1932 REQ_SEND;
1933 }
1934
1935
1936 #if DB_VERSION_MINOR >= 3
1937
1938 void
1939 db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
1940 PREINIT:
1941 CALLBACK
1942 CODE:
1943 {
1944 dREQ (REQ_SEQ_OPEN);
1945 req->seq = seq;
1946 req->txn = txnid;
1947 req->uint1 = flags | DB_THREAD;
1948 sv_to_dbt (&req->dbt1, key);
1949 REQ_SEND;
1950 }
1951
1952 void
1953 db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
1954 PREINIT:
1955 CALLBACK
1956 CODE:
1957 {
1958 dREQ (REQ_SEQ_CLOSE);
1959 req->seq = seq;
1960 req->uint1 = flags;
1961 REQ_SEND;
1962 ptr_nuke (ST (0));
1963 }
1964
1965 void
1966 db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
1967 PREINIT:
1968 CALLBACK
1969 CODE:
1970 {
1971 dREQ (REQ_SEQ_GET);
1972 req->seq = seq;
1973 req->txn = txnid;
1974 req->int1 = delta;
1975 req->uint1 = flags;
1976 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1977 REQ_SEND;
1978 }
1979
1980 void
1981 db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
1982 PREINIT:
1983 CALLBACK
1984 CODE:
1985 {
1986 dREQ (REQ_SEQ_REMOVE);
1987 req->seq = seq;
1988 req->txn = txnid;
1989 req->uint1 = flags;
1990 REQ_SEND;
1991 }
1992
1993 #endif
1994
1995
1996 MODULE = BDB PACKAGE = BDB::Env
1997
1998 void
1999 DESTROY (DB_ENV_ornuked *env)
2000 CODE:
2001 if (env)
2002 env->close (env, 0);
2003
2004 int set_data_dir (DB_ENV *env, const char *dir)
2005 CODE:
2006 RETVAL = env->set_data_dir (env, dir);
2007 OUTPUT:
2008 RETVAL
2009
2010 int set_tmp_dir (DB_ENV *env, const char *dir)
2011 CODE:
2012 RETVAL = env->set_tmp_dir (env, dir);
2013 OUTPUT:
2014 RETVAL
2015
2016 int set_lg_dir (DB_ENV *env, const char *dir)
2017 CODE:
2018 RETVAL = env->set_lg_dir (env, dir);
2019 OUTPUT:
2020 RETVAL
2021
2022 int set_shm_key (DB_ENV *env, long shm_key)
2023 CODE:
2024 RETVAL = env->set_shm_key (env, shm_key);
2025 OUTPUT:
2026 RETVAL
2027
2028 int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
2029 CODE:
2030 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
2031 OUTPUT:
2032 RETVAL
2033
2034 int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
2035 CODE:
2036 RETVAL = env->set_flags (env, flags, onoff);
2037 OUTPUT:
2038 RETVAL
2039
2040 #if DB_VERSION_MINOR >= 7
2041
2042 int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2043 CODE:
2044 RETVAL = env->set_intermediate_dir_mode (env, mode);
2045 OUTPUT:
2046 RETVAL
2047
2048 int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
2049 CODE:
2050 RETVAL = env->log_set_config (env, flags, onoff);
2051 OUTPUT:
2052 RETVAL
2053
2054 #endif
2055
2056
2057 void set_errfile (DB_ENV *env, FILE *errfile = 0)
2058 CODE:
2059 env->set_errfile (env, errfile);
2060
2061 void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
2062 CODE:
2063 env->set_msgfile (env, msgfile);
2064
2065 int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
2066 CODE:
2067 RETVAL = env->set_verbose (env, which, onoff);
2068 OUTPUT:
2069 RETVAL
2070
2071 int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
2072 CODE:
2073 RETVAL = env->set_encrypt (env, password, flags);
2074 OUTPUT:
2075 RETVAL
2076
2077 int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2078 CODE:
2079 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
2080 OUTPUT:
2081 RETVAL
2082
2083 int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
2084 CODE:
2085 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
2086 OUTPUT:
2087 RETVAL
2088
2089 int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
2090 CODE:
2091 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
2092 OUTPUT:
2093 RETVAL
2094
2095 int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
2096 CODE:
2097 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
2098 OUTPUT:
2099 RETVAL
2100
2101 int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
2102 CODE:
2103 RETVAL = env->set_lk_detect (env, detect);
2104 OUTPUT:
2105 RETVAL
2106
2107 int set_lk_max_lockers (DB_ENV *env, U32 max)
2108 CODE:
2109 RETVAL = env->set_lk_max_lockers (env, max);
2110 OUTPUT:
2111 RETVAL
2112
2113 int set_lk_max_locks (DB_ENV *env, U32 max)
2114 CODE:
2115 RETVAL = env->set_lk_max_locks (env, max);
2116 OUTPUT:
2117 RETVAL
2118
2119 int set_lk_max_objects (DB_ENV *env, U32 max)
2120 CODE:
2121 RETVAL = env->set_lk_max_objects (env, max);
2122 OUTPUT:
2123 RETVAL
2124
2125 int set_lg_bsize (DB_ENV *env, U32 max)
2126 CODE:
2127 RETVAL = env->set_lg_bsize (env, max);
2128 OUTPUT:
2129 RETVAL
2130
2131 int set_lg_max (DB_ENV *env, U32 max)
2132 CODE:
2133 RETVAL = env->set_lg_max (env, max);
2134 OUTPUT:
2135 RETVAL
2136
2137 #if DB_VERSION_MINOR >= 4
2138
2139 int mutex_set_max (DB_ENV *env, U32 max)
2140 CODE:
2141 RETVAL = env->mutex_set_max (env, max);
2142 OUTPUT:
2143 RETVAL
2144
2145 int mutex_set_increment (DB_ENV *env, U32 increment)
2146 CODE:
2147 RETVAL = env->mutex_set_increment (env, increment);
2148 OUTPUT:
2149 RETVAL
2150
2151 int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
2152 CODE:
2153 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
2154 OUTPUT:
2155 RETVAL
2156
2157 int mutex_set_align (DB_ENV *env, U32 align)
2158 CODE:
2159 RETVAL = env->mutex_set_align (env, align);
2160 OUTPUT:
2161 RETVAL
2162
2163 #endif
2164
2165 DB_TXN *
2166 txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
2167 CODE:
2168 errno = env->txn_begin (env, parent, &RETVAL, flags);
2169 if (errno)
2170 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2171 OUTPUT:
2172 RETVAL
2173
2174 #if DB_VERSION_MINOR >= 5
2175
2176 DB_TXN *
2177 cdsgroup_begin (DB_ENV *env)
2178 CODE:
2179 errno = env->cdsgroup_begin (env, &RETVAL);
2180 if (errno)
2181 croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
2182 OUTPUT:
2183 RETVAL
2184
2185 #endif
2186
2187 MODULE = BDB PACKAGE = BDB::Db
2188
2189 void
2190 DESTROY (DB_ornuked *db)
2191 CODE:
2192 if (db)
2193 {
2194 SV *env = (SV *)db->app_private;
2195 db->close (db, 0);
2196 SvREFCNT_dec (env);
2197 }
2198
2199 int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
2200 CODE:
2201 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2202 OUTPUT:
2203 RETVAL
2204
2205 int set_flags (DB *db, U32 flags)
2206 CODE:
2207 RETVAL = db->set_flags (db, flags);
2208 OUTPUT:
2209 RETVAL
2210
2211 int set_encrypt (DB *db, const char *password, U32 flags)
2212 CODE:
2213 RETVAL = db->set_encrypt (db, password, flags);
2214 OUTPUT:
2215 RETVAL
2216
2217 int set_lorder (DB *db, int lorder)
2218 CODE:
2219 RETVAL = db->set_lorder (db, lorder);
2220 OUTPUT:
2221 RETVAL
2222
2223 int set_bt_minkey (DB *db, U32 minkey)
2224 CODE:
2225 RETVAL = db->set_bt_minkey (db, minkey);
2226 OUTPUT:
2227 RETVAL
2228
2229 int set_re_delim (DB *db, int delim)
2230 CODE:
2231 RETVAL = db->set_re_delim (db, delim);
2232 OUTPUT:
2233 RETVAL
2234
2235 int set_re_pad (DB *db, int re_pad)
2236 CODE:
2237 RETVAL = db->set_re_pad (db, re_pad);
2238 OUTPUT:
2239 RETVAL
2240
2241 int set_re_source (DB *db, char *source)
2242 CODE:
2243 RETVAL = db->set_re_source (db, source);
2244 OUTPUT:
2245 RETVAL
2246
2247 int set_re_len (DB *db, U32 re_len)
2248 CODE:
2249 RETVAL = db->set_re_len (db, re_len);
2250 OUTPUT:
2251 RETVAL
2252
2253 int set_h_ffactor (DB *db, U32 h_ffactor)
2254 CODE:
2255 RETVAL = db->set_h_ffactor (db, h_ffactor);
2256 OUTPUT:
2257 RETVAL
2258
2259 int set_h_nelem (DB *db, U32 h_nelem)
2260 CODE:
2261 RETVAL = db->set_h_nelem (db, h_nelem);
2262 OUTPUT:
2263 RETVAL
2264
2265 int set_q_extentsize (DB *db, U32 extentsize)
2266 CODE:
2267 RETVAL = db->set_q_extentsize (db, extentsize);
2268 OUTPUT:
2269 RETVAL
2270
2271 DBC *
2272 cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
2273 CODE:
2274 errno = db->cursor (db, txn, &RETVAL, flags);
2275 if (errno)
2276 croak ("DB->cursor: %s", db_strerror (errno));
2277 OUTPUT:
2278 RETVAL
2279
2280 #if DB_VERSION_MINOR >= 3
2281
2282 DB_SEQUENCE *
2283 sequence (DB *db, U32 flags = 0)
2284 CODE:
2285 {
2286 errno = db_sequence_create (&RETVAL, db, flags);
2287 if (errno)
2288 croak ("db_sequence_create: %s", db_strerror (errno));
2289 }
2290 OUTPUT:
2291 RETVAL
2292
2293 #endif
2294
2295
2296 MODULE = BDB PACKAGE = BDB::Txn
2297
2298 void
2299 DESTROY (DB_TXN_ornuked *txn)
2300 CODE:
2301 if (txn)
2302 txn->abort (txn);
2303
2304 int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
2305 CODE:
2306 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
2307 OUTPUT:
2308 RETVAL
2309
2310 int failed (DB_TXN *txn)
2311 CODE:
2312 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2313 OUTPUT:
2314 RETVAL
2315
2316
2317 MODULE = BDB PACKAGE = BDB::Cursor
2318
2319 void
2320 DESTROY (DBC_ornuked *dbc)
2321 CODE:
2322 if (dbc)
2323 dbc->c_close (dbc);
2324
2325 #if DB_VERSION_MINOR >= 6
2326
2327 int set_priority (DBC *dbc, int priority)
2328 CODE:
2329 dbc->set_priority (dbc, priority);
2330
2331 #endif
2332
2333 #if DB_VERSION_MINOR >= 3
2334
2335 MODULE = BDB PACKAGE = BDB::Sequence
2336
2337 void
2338 DESTROY (DB_SEQUENCE_ornuked *seq)
2339 CODE:
2340 if (seq)
2341 seq->close (seq, 0);
2342
2343 int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2344 CODE:
2345 RETVAL = seq->initial_value (seq, value);
2346 OUTPUT:
2347 RETVAL
2348
2349 int set_cachesize (DB_SEQUENCE *seq, U32 size)
2350 CODE:
2351 RETVAL = seq->set_cachesize (seq, size);
2352 OUTPUT:
2353 RETVAL
2354
2355 int set_flags (DB_SEQUENCE *seq, U32 flags)
2356 CODE:
2357 RETVAL = seq->set_flags (seq, flags);
2358 OUTPUT:
2359 RETVAL
2360
2361 int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2362 CODE:
2363 RETVAL = seq->set_range (seq, min, max);
2364 OUTPUT:
2365 RETVAL
2366
2367 #endif
2368
2369