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Comparing BDB/BDB.xs (file contents):
Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC vs.
Revision 1.30 by root, Sun Jan 13 09:43:21 2008 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
… …
28typedef DB_TXN DB_TXN_ornull; 40typedef DB_TXN DB_TXN_ornull;
29typedef DBC DBC_ornull; 41typedef DBC DBC_ornull;
30typedef DB DB_ornull; 42typedef DB DB_ornull;
31typedef DB_SEQUENCE DB_SEQUENCE_ornull; 43typedef DB_SEQUENCE DB_SEQUENCE_ornull;
32 44
45typedef DB_ENV DB_ENV_ornuked;
46typedef DB_TXN DB_TXN_ornuked;
47typedef DBC DBC_ornuked;
48typedef DB DB_ornuked;
49typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
50
33typedef SV SV8; /* byte-sv, used for argument-checking */ 51typedef SV SV8; /* byte-sv, used for argument-checking */
34typedef char *octetstring; 52typedef char *octetstring;
35 53
36static SV *prepare_cb; 54static SV *prepare_cb;
37 55
56#if DB_VERSION_MINOR >= 6
57# define c_close close
58# define c_count count
59# define c_del del
60# define c_dup dup
61# define c_get get
62# define c_pget pget
63# define c_put put
64#endif
65
66static void
67debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
68{
69 printf ("err[%s]\n", msg);
70}
71
72static void
73debug_msgcall (const DB_ENV *dbenv, const char *msg)
74{
75 printf ("msg[%s]\n", msg);
76}
77
38static inline char * 78static char *
39strdup_ornull (const char *s) 79strdup_ornull (const char *s)
40{ 80{
41 return s ? strdup (s) : 0; 81 return s ? strdup (s) : 0;
42} 82}
43 83
44static inline void 84static void
45sv_to_dbt (DBT *dbt, SV *sv) 85sv_to_dbt (DBT *dbt, SV *sv)
46{ 86{
47 STRLEN len; 87 STRLEN len;
48 char *data = SvPVbyte (sv, len); 88 char *data = SvPVbyte (sv, len);
49 89
… …
51 memcpy (dbt->data, data, len); 91 memcpy (dbt->data, data, len);
52 dbt->size = len; 92 dbt->size = len;
53 dbt->flags = DB_DBT_REALLOC; 93 dbt->flags = DB_DBT_REALLOC;
54} 94}
55 95
56static inline void 96static void
57dbt_to_sv (SV *sv, DBT *dbt) 97dbt_to_sv (SV *sv, DBT *dbt)
58{ 98{
59 if (sv) 99 if (sv)
60 { 100 {
61 SvREADONLY_off (sv); 101 SvREADONLY_off (sv);
… …
68 108
69enum { 109enum {
70 REQ_QUIT, 110 REQ_QUIT,
71 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 111 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 112 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
73 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, 113 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
74 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, 114 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75 REQ_TXN_COMMIT, REQ_TXN_ABORT, 115 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, 116 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, 117 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78}; 118};
79 119
80typedef struct aio_cb 120typedef struct bdb_cb
81{ 121{
82 struct aio_cb *volatile next; 122 struct bdb_cb *volatile next;
83 SV *callback; 123 SV *callback;
84 int type, pri, result; 124 int type, pri, result;
85 125
86 DB_ENV *env; 126 DB_ENV *env;
87 DB *db; 127 DB *db;
… …
96 136
97 DBT dbt1, dbt2, dbt3; 137 DBT dbt1, dbt2, dbt3;
98 DB_KEY_RANGE key_range; 138 DB_KEY_RANGE key_range;
99 DB_SEQUENCE *seq; 139 DB_SEQUENCE *seq;
100 db_seq_t seq_t; 140 db_seq_t seq_t;
101} aio_cb; 141} bdb_cb;
102 142
103typedef aio_cb *aio_req; 143typedef bdb_cb *bdb_req;
104 144
105enum { 145enum {
106 PRI_MIN = -4, 146 PRI_MIN = -4,
107 PRI_MAX = 4, 147 PRI_MAX = 4,
108 148
… …
135 struct worker *prev, *next; 175 struct worker *prev, *next;
136 176
137 thread_t tid; 177 thread_t tid;
138 178
139 /* locked by reslock, reqlock or wrklock */ 179 /* locked by reslock, reqlock or wrklock */
140 aio_req req; /* currently processed request */ 180 bdb_req req; /* currently processed request */
141 void *dbuf; 181 void *dbuf;
142 DIR *dirp; 182 DIR *dirp;
143} worker; 183} worker;
144 184
145static worker wrk_first = { &wrk_first, &wrk_first, 0 }; 185static worker wrk_first = { &wrk_first, &wrk_first, 0 };
… …
157} 197}
158 198
159static volatile unsigned int nreqs, nready, npending; 199static volatile unsigned int nreqs, nready, npending;
160static volatile unsigned int max_idle = 4; 200static volatile unsigned int max_idle = 4;
161static volatile unsigned int max_outstanding = 0xffffffff; 201static volatile unsigned int max_outstanding = 0xffffffff;
162static int respipe [2]; 202static int respipe_osf [2], respipe [2] = { -1, -1 };
163 203
164static mutex_t reslock = X_MUTEX_INIT; 204static mutex_t reslock = X_MUTEX_INIT;
165static mutex_t reqlock = X_MUTEX_INIT; 205static mutex_t reqlock = X_MUTEX_INIT;
166static cond_t reqwait = X_COND_INIT; 206static cond_t reqwait = X_COND_INIT;
167 207
… …
212 * a somewhat faster data structure might be nice, but 252 * a somewhat faster data structure might be nice, but
213 * with 8 priorities this actually needs <20 insns 253 * with 8 priorities this actually needs <20 insns
214 * per shift, the most expensive operation. 254 * per shift, the most expensive operation.
215 */ 255 */
216typedef struct { 256typedef struct {
217 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ 257 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218 int size; 258 int size;
219} reqq; 259} reqq;
220 260
221static reqq req_queue; 261static reqq req_queue;
222static reqq res_queue; 262static reqq res_queue;
223 263
224int reqq_push (reqq *q, aio_req req) 264int reqq_push (reqq *q, bdb_req req)
225{ 265{
226 int pri = req->pri; 266 int pri = req->pri;
227 req->next = 0; 267 req->next = 0;
228 268
229 if (q->qe[pri]) 269 if (q->qe[pri])
… …
235 q->qe[pri] = q->qs[pri] = req; 275 q->qe[pri] = q->qs[pri] = req;
236 276
237 return q->size++; 277 return q->size++;
238} 278}
239 279
240aio_req reqq_shift (reqq *q) 280bdb_req reqq_shift (reqq *q)
241{ 281{
242 int pri; 282 int pri;
243 283
244 if (!q->size) 284 if (!q->size)
245 return 0; 285 return 0;
246 286
247 --q->size; 287 --q->size;
248 288
249 for (pri = NUM_PRI; pri--; ) 289 for (pri = NUM_PRI; pri--; )
250 { 290 {
251 aio_req req = q->qs[pri]; 291 bdb_req req = q->qs[pri];
252 292
253 if (req) 293 if (req)
254 { 294 {
255 if (!(q->qs[pri] = req->next)) 295 if (!(q->qs[pri] = req->next))
256 q->qe[pri] = 0; 296 q->qe[pri] = 0;
… …
261 301
262 abort (); 302 abort ();
263} 303}
264 304
265static int poll_cb (); 305static int poll_cb ();
266static void req_free (aio_req req); 306static void req_free (bdb_req req);
267static void req_cancel (aio_req req); 307static void req_cancel (bdb_req req);
268 308
269static int req_invoke (aio_req req) 309static int req_invoke (bdb_req req)
270{ 310{
271 dSP; 311 dSP;
272 312
273 if (SvOK (req->callback)) 313 if (SvOK (req->callback))
274 { 314 {
… …
292 dbt_to_sv (req->sv1, &req->dbt1); 332 dbt_to_sv (req->sv1, &req->dbt1);
293 dbt_to_sv (req->sv2, &req->dbt2); 333 dbt_to_sv (req->sv2, &req->dbt2);
294 dbt_to_sv (req->sv3, &req->dbt3); 334 dbt_to_sv (req->sv3, &req->dbt3);
295 break; 335 break;
296 336
337 case REQ_DB_PUT:
338 case REQ_C_PUT:
339 dbt_to_sv (0, &req->dbt1);
340 dbt_to_sv (0, &req->dbt2);
341 break;
342
297 case REQ_DB_KEY_RANGE: 343 case REQ_DB_KEY_RANGE:
298 { 344 {
299 AV *av = newAV (); 345 AV *av = newAV ();
300 346
301 av_push (av, newSVnv (req->key_range.less)); 347 av_push (av, newSVnv (req->key_range.less));
… …
310 356
311 case REQ_SEQ_GET: 357 case REQ_SEQ_GET:
312 SvREADONLY_off (req->sv1); 358 SvREADONLY_off (req->sv1);
313 359
314 if (sizeof (IV) > 4) 360 if (sizeof (IV) > 4)
315 sv_setiv_mg (req->sv1, req->seq_t); 361 sv_setiv_mg (req->sv1, (IV)req->seq_t);
316 else 362 else
317 sv_setnv_mg (req->sv1, req->seq_t); 363 sv_setnv_mg (req->sv1, (NV)req->seq_t);
318 364
319 SvREFCNT_dec (req->sv1); 365 SvREFCNT_dec (req->sv1);
320 break; 366 break;
321 } 367 }
322 368
… …
331 } 377 }
332 378
333 return !SvTRUE (ERRSV); 379 return !SvTRUE (ERRSV);
334} 380}
335 381
336static void req_free (aio_req req) 382static void req_free (bdb_req req)
337{ 383{
338 free (req->buf1); 384 free (req->buf1);
339 free (req->buf2); 385 free (req->buf2);
340 Safefree (req); 386 Safefree (req);
341} 387}
342 388
343static void *aio_proc (void *arg); 389#ifdef USE_SOCKETS_AS_HANDLES
390# define TO_SOCKET(x) (win32_get_osfhandle (x))
391#else
392# define TO_SOCKET(x) (x)
393#endif
394
395static void
396create_respipe ()
397{
398#ifdef _WIN32
399 int arg; /* argg */
400#endif
401 int old_readfd = respipe [0];
402
403 if (respipe [1] >= 0)
404 respipe_close (TO_SOCKET (respipe [1]));
405
406#ifdef _WIN32
407 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
408#else
409 if (pipe (respipe))
410#endif
411 croak ("unable to initialize result pipe");
412
413 if (old_readfd >= 0)
414 {
415 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
416 croak ("unable to initialize result pipe(2)");
417
418 respipe_close (respipe [0]);
419 respipe [0] = old_readfd;
420 }
421
422#ifdef _WIN32
423 arg = 1;
424 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
425 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
426#else
427 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
428 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
429#endif
430 croak ("unable to initialize result pipe(3)");
431
432 respipe_osf [0] = TO_SOCKET (respipe [0]);
433 respipe_osf [1] = TO_SOCKET (respipe [1]);
434}
435
436X_THREAD_PROC (bdb_proc);
344 437
345static void start_thread (void) 438static void start_thread (void)
346{ 439{
347 worker *wrk = calloc (1, sizeof (worker)); 440 worker *wrk = calloc (1, sizeof (worker));
348 441
349 if (!wrk) 442 if (!wrk)
350 croak ("unable to allocate worker thread data"); 443 croak ("unable to allocate worker thread data");
351 444
352 X_LOCK (wrklock); 445 X_LOCK (wrklock);
353 if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) 446 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354 { 447 {
355 wrk->prev = &wrk_first; 448 wrk->prev = &wrk_first;
356 wrk->next = wrk_first.next; 449 wrk->next = wrk_first.next;
357 wrk_first.next->prev = wrk; 450 wrk_first.next->prev = wrk;
358 wrk_first.next = wrk; 451 wrk_first.next = wrk;
… …
374 return; 467 return;
375 468
376 start_thread (); 469 start_thread ();
377} 470}
378 471
379static void req_send (aio_req req) 472static void req_send (bdb_req req)
380{ 473{
381 SV *wait_callback = 0; 474 SV *wait_callback = 0;
382 475
383 // synthesize callback if none given 476 // synthesize callback if none given
384 if (!SvOK (req->callback)) 477 if (!SvOK (req->callback))
385 { 478 {
479 int count;
480
386 dSP; 481 dSP;
387 PUSHMARK (SP); 482 PUSHMARK (SP);
388 PUTBACK; 483 PUTBACK;
389 int count = call_sv (prepare_cb, G_ARRAY); 484 count = call_sv (prepare_cb, G_ARRAY);
390 SPAGAIN; 485 SPAGAIN;
391 486
392 if (count != 2) 487 if (count != 2)
393 croak ("prepare callback must return exactly two values\n"); 488 croak ("prepare callback must return exactly two values\n");
394 489
395 wait_callback = SvREFCNT_inc (POPs); 490 wait_callback = POPs;
396 SvREFCNT_dec (req->callback); 491 SvREFCNT_dec (req->callback);
397 req->callback = SvREFCNT_inc (POPs); 492 req->callback = SvREFCNT_inc (POPs);
398 } 493 }
399 494
400 ++nreqs; 495 ++nreqs;
… …
411 { 506 {
412 dSP; 507 dSP;
413 PUSHMARK (SP); 508 PUSHMARK (SP);
414 PUTBACK; 509 PUTBACK;
415 call_sv (wait_callback, G_DISCARD); 510 call_sv (wait_callback, G_DISCARD);
416 SvREFCNT_dec (wait_callback);
417 } 511 }
418} 512}
419 513
420static void end_thread (void) 514static void end_thread (void)
421{ 515{
422 aio_req req; 516 bdb_req req;
423 517
424 Newz (0, req, 1, aio_cb); 518 Newz (0, req, 1, bdb_cb);
425 519
426 req->type = REQ_QUIT; 520 req->type = REQ_QUIT;
427 req->pri = PRI_MAX + PRI_BIAS; 521 req->pri = PRI_MAX + PRI_BIAS;
428 522
429 X_LOCK (reqlock); 523 X_LOCK (reqlock);
… …
472 if (size) 566 if (size)
473 return; 567 return;
474 568
475 maybe_start_thread (); 569 maybe_start_thread ();
476 570
477 FD_ZERO(&rfd); 571 FD_ZERO (&rfd);
478 FD_SET(respipe [0], &rfd); 572 FD_SET (respipe [0], &rfd);
479 573
480 select (respipe [0] + 1, &rfd, 0, 0, 0); 574 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481 } 575 }
482} 576}
483 577
484static int poll_cb () 578static int poll_cb ()
485{ 579{
486 dSP; 580 dSP;
487 int count = 0; 581 int count = 0;
488 int maxreqs = max_poll_reqs; 582 int maxreqs = max_poll_reqs;
489 int do_croak = 0; 583 int do_croak = 0;
490 struct timeval tv_start, tv_now; 584 struct timeval tv_start, tv_now;
491 aio_req req; 585 bdb_req req;
492 586
493 if (max_poll_time) 587 if (max_poll_time)
494 gettimeofday (&tv_start, 0); 588 gettimeofday (&tv_start, 0);
495 589
496 for (;;) 590 for (;;)
… …
508 602
509 if (!res_queue.size) 603 if (!res_queue.size)
510 { 604 {
511 /* read any signals sent by the worker threads */ 605 /* read any signals sent by the worker threads */
512 char buf [4]; 606 char buf [4];
513 while (read (respipe [0], buf, 4) == 4) 607 while (respipe_read (respipe [0], buf, 4) == 4)
514 ; 608 ;
515 } 609 }
516 } 610 }
517 611
518 X_UNLOCK (reslock); 612 X_UNLOCK (reslock);
… …
555 return count; 649 return count;
556} 650}
557 651
558/*****************************************************************************/ 652/*****************************************************************************/
559 653
560static void *aio_proc (void *thr_arg) 654X_THREAD_PROC (bdb_proc)
561{ 655{
562 aio_req req; 656 bdb_req req;
563 struct timespec ts; 657 struct timespec ts;
564 worker *self = (worker *)thr_arg; 658 worker *self = (worker *)thr_arg;
565 659
566 /* try to distribute timeouts somewhat evenly */ 660 /* try to distribute timeouts somewhat evenly */
567 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 661 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
568 * (1000000000UL / 1024UL);
569 662
570 for (;;) 663 for (;;)
571 { 664 {
572 ts.tv_sec = time (0) + IDLE_TIMEOUT; 665 ts.tv_sec = time (0) + IDLE_TIMEOUT;
573 666
… …
608 X_UNLOCK (reqlock); 701 X_UNLOCK (reqlock);
609 702
610 switch (req->type) 703 switch (req->type)
611 { 704 {
612 case REQ_QUIT: 705 case REQ_QUIT:
706 req->result = ENOSYS;
613 goto quit; 707 goto quit;
614 708
615 case REQ_ENV_OPEN: 709 case REQ_ENV_OPEN:
616 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 710 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
617 break; 711 break;
… …
650 744
651 case REQ_DB_SYNC: 745 case REQ_DB_SYNC:
652 req->result = req->db->sync (req->db, req->uint1); 746 req->result = req->db->sync (req->db, req->uint1);
653 break; 747 break;
654 748
749 case REQ_DB_UPGRADE:
750 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
751 break;
752
655 case REQ_DB_PUT: 753 case REQ_DB_PUT:
656 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); 754 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
657 break; 755 break;
658 756
659 case REQ_DB_GET: 757 case REQ_DB_GET:
… …
676 req->result = req->txn->commit (req->txn, req->uint1); 774 req->result = req->txn->commit (req->txn, req->uint1);
677 break; 775 break;
678 776
679 case REQ_TXN_ABORT: 777 case REQ_TXN_ABORT:
680 req->result = req->txn->abort (req->txn); 778 req->result = req->txn->abort (req->txn);
779 break;
780
781 case REQ_TXN_FINISH:
782 if (req->txn->flags & TXN_DEADLOCK)
783 {
784 req->result = req->txn->abort (req->txn);
785 if (!req->result)
786 req->result = DB_LOCK_DEADLOCK;
787 }
788 else
789 req->result = req->txn->commit (req->txn, req->uint1);
681 break; 790 break;
682 791
683 case REQ_C_CLOSE: 792 case REQ_C_CLOSE:
684 req->result = req->dbc->c_close (req->dbc); 793 req->result = req->dbc->c_close (req->dbc);
685 break; 794 break;
… …
727 default: 836 default:
728 req->result = ENOSYS; 837 req->result = ENOSYS;
729 break; 838 break;
730 } 839 }
731 840
841 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
842 req->txn->flags |= TXN_DEADLOCK;
843
732 X_LOCK (reslock); 844 X_LOCK (reslock);
733 845
734 ++npending; 846 ++npending;
735 847
736 if (!reqq_push (&res_queue, req)) 848 if (!reqq_push (&res_queue, req))
737 /* write a dummy byte to the pipe so fh becomes ready */ 849 /* write a dummy byte to the pipe so fh becomes ready */
738 write (respipe [1], &respipe, 1); 850 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
739 851
740 self->req = 0; 852 self->req = 0;
741 worker_clear (self); 853 worker_clear (self);
742 854
743 X_UNLOCK (reslock); 855 X_UNLOCK (reslock);
… …
767 X_UNLOCK (wrklock); 879 X_UNLOCK (wrklock);
768} 880}
769 881
770static void atfork_child (void) 882static void atfork_child (void)
771{ 883{
772 aio_req prv; 884 bdb_req prv;
773 885
774 while (prv = reqq_shift (&req_queue)) 886 while (prv = reqq_shift (&req_queue))
775 req_free (prv); 887 req_free (prv);
776 888
777 while (prv = reqq_shift (&res_queue)) 889 while (prv = reqq_shift (&res_queue))
… …
792 idle = 0; 904 idle = 0;
793 nreqs = 0; 905 nreqs = 0;
794 nready = 0; 906 nready = 0;
795 npending = 0; 907 npending = 0;
796 908
797 close (respipe [0]); 909 create_respipe ();
798 close (respipe [1]);
799
800 if (!create_pipe (respipe))
801 croak ("unable to initialize result pipe");
802 910
803 atfork_parent (); 911 atfork_parent ();
804} 912}
805 913
806#define dREQ(reqtype) \ 914#define dREQ(reqtype) \
807 aio_req req; \ 915 bdb_req req; \
808 int req_pri = next_pri; \ 916 int req_pri = next_pri; \
809 next_pri = DEFAULT_PRI + PRI_BIAS; \ 917 next_pri = DEFAULT_PRI + PRI_BIAS; \
810 \ 918 \
811 if (SvOK (callback) && !SvROK (callback)) \ 919 if (SvOK (callback) && !SvROK (callback)) \
812 croak ("callback must be undef or of reference type"); \ 920 croak ("callback must be undef or of reference type"); \
813 \ 921 \
814 Newz (0, req, 1, aio_cb); \ 922 Newz (0, req, 1, bdb_cb); \
815 if (!req) \ 923 if (!req) \
816 croak ("out of memory during aio_req allocation"); \ 924 croak ("out of memory during bdb_req allocation"); \
817 \ 925 \
818 req->callback = newSVsv (callback); \ 926 req->callback = newSVsv (callback); \
819 req->type = (reqtype); \ 927 req->type = (reqtype); \
820 req->pri = req_pri 928 req->pri = req_pri
821 929
822#define REQ_SEND \ 930#define REQ_SEND \
823 req_send (req) 931 req_send (req)
824 932
825#define SvPTR(var, arg, type, class, nullok) \ 933#define SvPTR(var, arg, type, class, nullok) \
826 if (!SvOK (arg)) \ 934 if (!SvOK (arg)) \
827 { \ 935 { \
828 if (!nullok) \ 936 if (nullok != 1) \
829 croak (# var " must be a " # class " object, not undef"); \ 937 croak (# var " must be a " # class " object, not undef"); \
830 \ 938 \
831 (var) = 0; \ 939 (var) = 0; \
832 } \ 940 } \
833 else if (sv_derived_from ((arg), # class)) \ 941 else if (sv_derived_from ((arg), # class)) \
834 { \ 942 { \
835 IV tmp = SvIV ((SV*) SvRV (arg)); \ 943 IV tmp = SvIV ((SV*) SvRV (arg)); \
836 (var) = INT2PTR (type, tmp); \ 944 (var) = INT2PTR (type, tmp); \
837 if (!var) \ 945 if (!var && nullok != 2) \
838 croak (# var " is not a valid " # class " object anymore"); \ 946 croak (# var " is not a valid " # class " object anymore"); \
839 } \ 947 } \
840 else \ 948 else \
841 croak (# var " is not of type " # class); \ 949 croak (# var " is not of type " # class); \
842 \ 950 \
… …
870 const_iv (INIT_TXN) 978 const_iv (INIT_TXN)
871 const_iv (RECOVER) 979 const_iv (RECOVER)
872 const_iv (INIT_TXN) 980 const_iv (INIT_TXN)
873 const_iv (RECOVER_FATAL) 981 const_iv (RECOVER_FATAL)
874 const_iv (CREATE) 982 const_iv (CREATE)
983 const_iv (RDONLY)
875 const_iv (USE_ENVIRON) 984 const_iv (USE_ENVIRON)
876 const_iv (USE_ENVIRON_ROOT) 985 const_iv (USE_ENVIRON_ROOT)
877 const_iv (LOCKDOWN) 986 const_iv (LOCKDOWN)
878 const_iv (PRIVATE) 987 const_iv (PRIVATE)
879 const_iv (REGISTER) 988 const_iv (REGISTER)
… …
885 const_iv (DSYNC_DB) 994 const_iv (DSYNC_DB)
886 const_iv (DSYNC_LOG) 995 const_iv (DSYNC_LOG)
887 const_iv (LOG_AUTOREMOVE) 996 const_iv (LOG_AUTOREMOVE)
888 const_iv (LOG_INMEMORY) 997 const_iv (LOG_INMEMORY)
889 const_iv (NOLOCKING) 998 const_iv (NOLOCKING)
890 const_iv (MULTIVERSION)
891 const_iv (NOMMAP) 999 const_iv (NOMMAP)
892 const_iv (NOPANIC) 1000 const_iv (NOPANIC)
893 const_iv (OVERWRITE) 1001 const_iv (OVERWRITE)
894 const_iv (PANIC_ENVIRONMENT) 1002 const_iv (PANIC_ENVIRONMENT)
895 const_iv (REGION_INIT) 1003 const_iv (REGION_INIT)
896 const_iv (TIME_NOTGRANTED) 1004 const_iv (TIME_NOTGRANTED)
897 const_iv (TXN_NOSYNC) 1005 const_iv (TXN_NOSYNC)
898 const_iv (TXN_SNAPSHOT) 1006 const_iv (TXN_NOT_DURABLE)
899 const_iv (TXN_WRITE_NOSYNC) 1007 const_iv (TXN_WRITE_NOSYNC)
900 const_iv (WRITECURSOR) 1008 const_iv (WRITECURSOR)
901 const_iv (YIELDCPU) 1009 const_iv (YIELDCPU)
902 const_iv (ENCRYPT_AES) 1010 const_iv (ENCRYPT_AES)
903 const_iv (XA_CREATE) 1011 const_iv (XA_CREATE)
… …
911 const_iv (READ_UNCOMMITTED) 1019 const_iv (READ_UNCOMMITTED)
912 const_iv (TRUNCATE) 1020 const_iv (TRUNCATE)
913 const_iv (NOSYNC) 1021 const_iv (NOSYNC)
914 const_iv (CHKSUM) 1022 const_iv (CHKSUM)
915 const_iv (ENCRYPT) 1023 const_iv (ENCRYPT)
916 const_iv (TXN_NOT_DURABLE)
917 const_iv (DUP) 1024 const_iv (DUP)
918 const_iv (DUPSORT) 1025 const_iv (DUPSORT)
919 const_iv (RECNUM) 1026 const_iv (RECNUM)
920 const_iv (RENUMBER) 1027 const_iv (RENUMBER)
921 const_iv (REVSPLITOFF) 1028 const_iv (REVSPLITOFF)
… …
926 const_iv (GET_BOTH_RANGE) 1033 const_iv (GET_BOTH_RANGE)
927 //const_iv (SET_RECNO) 1034 //const_iv (SET_RECNO)
928 //const_iv (MULTIPLE) 1035 //const_iv (MULTIPLE)
929 const_iv (SNAPSHOT) 1036 const_iv (SNAPSHOT)
930 const_iv (JOIN_ITEM) 1037 const_iv (JOIN_ITEM)
1038 const_iv (JOIN_NOSORT)
931 const_iv (RMW) 1039 const_iv (RMW)
932 1040
933 const_iv (NOTFOUND) 1041 const_iv (NOTFOUND)
934 const_iv (KEYEMPTY) 1042 const_iv (KEYEMPTY)
935 const_iv (LOCK_DEADLOCK) 1043 const_iv (LOCK_DEADLOCK)
… …
946 const_iv (APPEND) 1054 const_iv (APPEND)
947 const_iv (NODUPDATA) 1055 const_iv (NODUPDATA)
948 const_iv (NOOVERWRITE) 1056 const_iv (NOOVERWRITE)
949 1057
950 const_iv (TXN_NOWAIT) 1058 const_iv (TXN_NOWAIT)
951 const_iv (TXN_SNAPSHOT)
952 const_iv (TXN_SYNC) 1059 const_iv (TXN_SYNC)
953 1060
954 const_iv (SET_LOCK_TIMEOUT) 1061 const_iv (SET_LOCK_TIMEOUT)
955 const_iv (SET_TXN_TIMEOUT) 1062 const_iv (SET_TXN_TIMEOUT)
956 1063
957 const_iv (JOIN_ITEM)
958 const_iv (FIRST) 1064 const_iv (FIRST)
959 const_iv (NEXT) 1065 const_iv (NEXT)
960 const_iv (NEXT_DUP) 1066 const_iv (NEXT_DUP)
961 const_iv (NEXT_NODUP) 1067 const_iv (NEXT_NODUP)
962 const_iv (PREV) 1068 const_iv (PREV)
… …
984 const_iv (LOCK_YOUNGEST) 1090 const_iv (LOCK_YOUNGEST)
985 1091
986 const_iv (SEQ_DEC) 1092 const_iv (SEQ_DEC)
987 const_iv (SEQ_INC) 1093 const_iv (SEQ_INC)
988 const_iv (SEQ_WRAP) 1094 const_iv (SEQ_WRAP)
1095
1096 const_iv (BUFFER_SMALL)
1097 const_iv (DONOTINDEX)
1098 const_iv (KEYEMPTY )
1099 const_iv (KEYEXIST )
1100 const_iv (LOCK_DEADLOCK)
1101 const_iv (LOCK_NOTGRANTED)
1102 const_iv (LOG_BUFFER_FULL)
1103 const_iv (NOSERVER)
1104 const_iv (NOSERVER_HOME)
1105 const_iv (NOSERVER_ID)
1106 const_iv (NOTFOUND)
1107 const_iv (PAGE_NOTFOUND)
1108 const_iv (REP_DUPMASTER)
1109 const_iv (REP_HANDLE_DEAD)
1110 const_iv (REP_HOLDELECTION)
1111 const_iv (REP_IGNORE)
1112 const_iv (REP_ISPERM)
1113 const_iv (REP_JOIN_FAILURE)
1114 const_iv (REP_LOCKOUT)
1115 const_iv (REP_NEWMASTER)
1116 const_iv (REP_NEWSITE)
1117 const_iv (REP_NOTPERM)
1118 const_iv (REP_UNAVAIL)
1119 const_iv (RUNRECOVERY)
1120 const_iv (SECONDARY_BAD)
1121 const_iv (VERIFY_BAD)
1122 const_iv (VERSION_MISMATCH)
1123
1124 const_iv (VERB_DEADLOCK)
1125 const_iv (VERB_RECOVERY)
1126 const_iv (VERB_REGISTER)
1127 const_iv (VERB_REPLICATION)
1128 const_iv (VERB_WAITSFOR)
1129
1130 const_iv (VERSION_MAJOR)
1131 const_iv (VERSION_MINOR)
1132 const_iv (VERSION_PATCH)
1133#if DB_VERSION_MINOR >= 5
1134 const_iv (MULTIVERSION)
1135 const_iv (TXN_SNAPSHOT)
1136#endif
1137#if DB_VERSION_MINOR >= 6
1138 const_iv (PREV_DUP)
1139 const_iv (PRIORITY_UNCHANGED)
1140 const_iv (PRIORITY_VERY_LOW)
1141 const_iv (PRIORITY_LOW)
1142 const_iv (PRIORITY_DEFAULT)
1143 const_iv (PRIORITY_HIGH)
1144 const_iv (PRIORITY_VERY_HIGH)
1145#endif
989 }; 1146 };
990 1147
991 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1148 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
992 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1149 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
993 1150
1151 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1152 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1153
994 if (!create_pipe (respipe)) 1154 create_respipe ();
995 croak ("unable to initialize result pipe");
996 1155
997 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); 1156 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
998#ifdef _WIN32 1157#ifdef _WIN32
999 X_MUTEX_CHECK (wrklock); 1158 X_MUTEX_CHECK (wrklock);
1000 X_MUTEX_CHECK (reslock); 1159 X_MUTEX_CHECK (reslock);
… …
1141 PROTOTYPE: & 1300 PROTOTYPE: &
1142 CODE: 1301 CODE:
1143 SvREFCNT_dec (prepare_cb); 1302 SvREFCNT_dec (prepare_cb);
1144 prepare_cb = newSVsv (cb); 1303 prepare_cb = newSVsv (cb);
1145 1304
1305char *
1306strerror (int errorno = errno)
1307 PROTOTYPE: ;$
1308 CODE:
1309 RETVAL = db_strerror (errorno);
1310 OUTPUT:
1311 RETVAL
1146 1312
1147DB_ENV * 1313DB_ENV *
1148db_env_create (U32 env_flags = 0) 1314db_env_create (U32 env_flags = 0)
1149 CODE: 1315 CODE:
1150{ 1316{
1151 errno = db_env_create (&RETVAL, env_flags); 1317 errno = db_env_create (&RETVAL, env_flags);
1152 if (errno) 1318 if (errno)
1153 croak ("db_env_create: %s", db_strerror (errno)); 1319 croak ("db_env_create: %s", db_strerror (errno));
1320
1321 if (0)
1322 {
1323 RETVAL->set_errcall (RETVAL, debug_errcall);
1324 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1325 }
1154} 1326}
1155 OUTPUT: 1327 OUTPUT:
1156 RETVAL 1328 RETVAL
1157 1329
1158void 1330void
1159db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1331db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1160 CODE: 1332 CODE:
1161{ 1333{
1162 env->set_thread_count (env, get_nthreads ());
1163
1164 dREQ (REQ_ENV_OPEN); 1334 dREQ (REQ_ENV_OPEN);
1335
1165 req->env = env; 1336 req->env = env;
1166 req->uint1 = open_flags | DB_THREAD; 1337 req->uint1 = open_flags | DB_THREAD;
1167 req->int1 = mode; 1338 req->int1 = mode;
1168 req->buf1 = strdup_ornull (db_home); 1339 req->buf1 = strdup_ornull (db_home);
1169 REQ_SEND; 1340 REQ_SEND;
… …
1286 req->uint1 = flags; 1457 req->uint1 = flags;
1287 REQ_SEND; 1458 REQ_SEND;
1288} 1459}
1289 1460
1290void 1461void
1462db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
1463 CODE:
1464{
1465 dREQ (REQ_DB_SYNC);
1466 req->db = db;
1467 req->buf1 = strdup (file);
1468 req->uint1 = flags;
1469 REQ_SEND;
1470}
1471
1472void
1291db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) 1473db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1292 CODE: 1474 CODE:
1293{ 1475{
1294 dREQ (REQ_DB_KEY_RANGE); 1476 dREQ (REQ_DB_KEY_RANGE);
1295 req->db = db; 1477 req->db = db;
… …
1314} 1496}
1315 1497
1316void 1498void
1317db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1499db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1318 CODE: 1500 CODE:
1501 if (SvREADONLY (data))
1502 croak ("can't modify read-only data scalar in db_get");
1319{ 1503{
1320 dREQ (REQ_DB_GET); 1504 dREQ (REQ_DB_GET);
1321 req->db = db; 1505 req->db = db;
1322 req->txn = txn; 1506 req->txn = txn;
1323 req->uint1 = flags; 1507 req->uint1 = flags;
… …
1328} 1512}
1329 1513
1330void 1514void
1331db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1515db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1332 CODE: 1516 CODE:
1517 if (SvREADONLY (data))
1518 croak ("can't modify read-only data scalar in db_pget");
1333{ 1519{
1334 dREQ (REQ_DB_PGET); 1520 dREQ (REQ_DB_PGET);
1335 req->db = db; 1521 req->db = db;
1336 req->txn = txn; 1522 req->txn = txn;
1337 req->uint1 = flags; 1523 req->uint1 = flags;
… …
1374 REQ_SEND; 1560 REQ_SEND;
1375 ptr_nuke (ST (0)); 1561 ptr_nuke (ST (0));
1376} 1562}
1377 1563
1378void 1564void
1565db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1566 CODE:
1567{
1568 dREQ (REQ_TXN_FINISH);
1569 req->txn = txn;
1570 req->uint1 = flags;
1571 REQ_SEND;
1572 ptr_nuke (ST (0));
1573}
1574
1575void
1379db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1576db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1380 CODE: 1577 CODE:
1381{ 1578{
1382 dREQ (REQ_C_CLOSE); 1579 dREQ (REQ_C_CLOSE);
1383 req->dbc = dbc; 1580 req->dbc = dbc;
… …
1520 1717
1521 1718
1522MODULE = BDB PACKAGE = BDB::Env 1719MODULE = BDB PACKAGE = BDB::Env
1523 1720
1524void 1721void
1525DESTROY (DB_ENV_ornull *env) 1722DESTROY (DB_ENV_ornuked *env)
1526 CODE: 1723 CODE:
1527 if (env) 1724 if (env)
1528 env->close (env, 0); 1725 env->close (env, 0);
1529 1726
1530int set_data_dir (DB_ENV *env, const char *dir) 1727int set_data_dir (DB_ENV *env, const char *dir)
… …
1555 CODE: 1752 CODE:
1556 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1753 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1557 OUTPUT: 1754 OUTPUT:
1558 RETVAL 1755 RETVAL
1559 1756
1560int set_flags (DB_ENV *env, U32 flags, int onoff) 1757int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1561 CODE: 1758 CODE:
1562 RETVAL = env->set_flags (env, flags, onoff); 1759 RETVAL = env->set_flags (env, flags, onoff);
1563 OUTPUT: 1760 OUTPUT:
1564 RETVAL 1761 RETVAL
1565 1762
1763void set_errfile (DB_ENV *env, FILE *errfile = 0)
1764 CODE:
1765 env->set_errfile (env, errfile);
1766
1767void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1768 CODE:
1769 env->set_msgfile (env, msgfile);
1770
1771int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1772 CODE:
1773 RETVAL = env->set_verbose (env, which, onoff);
1774 OUTPUT:
1775 RETVAL
1776
1566int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1777int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1567 CODE: 1778 CODE:
1568 RETVAL = env->set_encrypt (env, password, flags); 1779 RETVAL = env->set_encrypt (env, password, flags);
1569 OUTPUT: 1780 OUTPUT:
1570 RETVAL 1781 RETVAL
1571 1782
1572int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1783int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1573 CODE: 1784 CODE:
1574 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1785 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1575 OUTPUT: 1786 OUTPUT:
1576 RETVAL 1787 RETVAL
1577 1788
… …
1625 1836
1626int set_lg_max (DB_ENV *env, U32 max) 1837int set_lg_max (DB_ENV *env, U32 max)
1627 CODE: 1838 CODE:
1628 RETVAL = env->set_lg_max (env, max); 1839 RETVAL = env->set_lg_max (env, max);
1629 OUTPUT: 1840 OUTPUT:
1841 RETVAL
1842
1843int mutex_set_max (DB_ENV *env, U32 max)
1844 CODE:
1845 RETVAL = env->mutex_set_max (env, max);
1846 OUTPUT:
1847 RETVAL
1848
1849int mutex_set_increment (DB_ENV *env, U32 increment)
1850 CODE:
1851 RETVAL = env->mutex_set_increment (env, increment);
1852 OUTPUT:
1853 RETVAL
1854
1855int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1856 CODE:
1857 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1858 OUTPUT:
1859 RETVAL
1860
1861int mutex_set_align (DB_ENV *env, U32 align)
1862 CODE:
1863 RETVAL = env->mutex_set_align (env, align);
1864 OUTPUT:
1630 RETVAL 1865 RETVAL
1631 1866
1632DB_TXN * 1867DB_TXN *
1633txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1868txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1634 CODE: 1869 CODE:
… …
1639 RETVAL 1874 RETVAL
1640 1875
1641MODULE = BDB PACKAGE = BDB::Db 1876MODULE = BDB PACKAGE = BDB::Db
1642 1877
1643void 1878void
1644DESTROY (DB_ornull *db) 1879DESTROY (DB_ornuked *db)
1645 CODE: 1880 CODE:
1646 if (db) 1881 if (db)
1647 { 1882 {
1648 SV *env = (SV *)db->app_private; 1883 SV *env = (SV *)db->app_private;
1649 db->close (db, 0); 1884 db->close (db, 0);
… …
1654 CODE: 1889 CODE:
1655 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1890 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1656 OUTPUT: 1891 OUTPUT:
1657 RETVAL 1892 RETVAL
1658 1893
1659int set_flags (DB *db, U32 flags); 1894int set_flags (DB *db, U32 flags)
1660 CODE: 1895 CODE:
1661 RETVAL = db->set_flags (db, flags); 1896 RETVAL = db->set_flags (db, flags);
1662 OUTPUT: 1897 OUTPUT:
1663 RETVAL 1898 RETVAL
1664 1899
… …
1678 CODE: 1913 CODE:
1679 RETVAL = db->set_bt_minkey (db, minkey); 1914 RETVAL = db->set_bt_minkey (db, minkey);
1680 OUTPUT: 1915 OUTPUT:
1681 RETVAL 1916 RETVAL
1682 1917
1683int set_re_delim(DB *db, int delim); 1918int set_re_delim (DB *db, int delim)
1684 CODE: 1919 CODE:
1685 RETVAL = db->set_re_delim (db, delim); 1920 RETVAL = db->set_re_delim (db, delim);
1686 OUTPUT: 1921 OUTPUT:
1687 RETVAL 1922 RETVAL
1688 1923
… …
1744 1979
1745 1980
1746MODULE = BDB PACKAGE = BDB::Txn 1981MODULE = BDB PACKAGE = BDB::Txn
1747 1982
1748void 1983void
1749DESTROY (DB_TXN_ornull *txn) 1984DESTROY (DB_TXN_ornuked *txn)
1750 CODE: 1985 CODE:
1751 if (txn) 1986 if (txn)
1752 txn->abort (txn); 1987 txn->abort (txn);
1753 1988
1754int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 1989int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1755 CODE: 1990 CODE:
1756 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 1991 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1757 OUTPUT: 1992 OUTPUT:
1758 RETVAL 1993 RETVAL
1759 1994
1995int failed (DB_TXN *txn)
1996 CODE:
1997 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1998 OUTPUT:
1999 RETVAL
2000
1760 2001
1761MODULE = BDB PACKAGE = BDB::Cursor 2002MODULE = BDB PACKAGE = BDB::Cursor
1762 2003
1763void 2004void
1764DESTROY (DBC_ornull *dbc) 2005DESTROY (DBC_ornuked *dbc)
1765 CODE: 2006 CODE:
1766 if (dbc) 2007 if (dbc)
1767 dbc->c_close (dbc); 2008 dbc->c_close (dbc);
1768 2009
2010#if DB_VERSION_MINOR >= 6
2011
2012int set_priority (DBC *dbc, int priority)
2013 CODE:
2014 dbc->set_priority (dbc, priority);
2015
2016#endif
2017
1769MODULE = BDB PACKAGE = BDB::Sequence 2018MODULE = BDB PACKAGE = BDB::Sequence
1770 2019
1771void 2020void
1772DESTROY (DB_SEQUENCE_ornull *seq) 2021DESTROY (DB_SEQUENCE_ornuked *seq)
1773 CODE: 2022 CODE:
1774 if (seq) 2023 if (seq)
1775 seq->close (seq, 0); 2024 seq->close (seq, 0);
1776 2025
1777int initial_value (DB_SEQUENCE *seq, db_seq_t value) 2026int initial_value (DB_SEQUENCE *seq, db_seq_t value)

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