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Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.14 by root, Sun Jul 8 13:41:03 2007 UTC

1/* solaris */ 1#include "xthread.h"
2#define _POSIX_PTHREAD_SEMANTICS 1
3
4#if __linux && !defined(_GNU_SOURCE)
5# define _GNU_SOURCE
6#endif
7
8/* just in case */
9#define _REENTRANT 1
10 2
11#include <errno.h> 3#include <errno.h>
12 4
13#include "EXTERN.h" 5#include "EXTERN.h"
14#include "perl.h" 6#include "perl.h"
15#include "XSUB.h" 7#include "XSUB.h"
16 8
17#include <pthread.h> 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
18 17
19#include <stddef.h> 18#include <stddef.h>
20#include <stdlib.h> 19#include <stdlib.h>
21#include <errno.h> 20#include <errno.h>
22#include <sys/time.h>
23#include <sys/types.h> 21#include <sys/types.h>
24#include <limits.h> 22#include <limits.h>
25#include <unistd.h>
26#include <fcntl.h> 23#include <fcntl.h>
27 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
28#include <db.h> 30#include <db.h>
31
32#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
33# error you need Berkeley DB 4.4 or newer installed
34#endif
29 35
30/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
31#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
32 38
33/* wether word reads are potentially non-atomic.
34 * this is conservatice, likely most arches this runs
35 * on have atomic word read/writes.
36 */
37#ifndef WORDACCESS_UNSAFE
38# if __i386 || __x86_64
39# define WORDACCESS_UNSAFE 0
40# else
41# define WORDACCESS_UNSAFE 1
42# endif
43#endif
44
45typedef DB_ENV DB_ENV_ornull; 39typedef DB_ENV DB_ENV_ornull;
46typedef DB_TXN DB_TXN_ornull; 40typedef DB_TXN DB_TXN_ornull;
47typedef DBC DBC_ornull; 41typedef DBC DBC_ornull;
48typedef DB DB_ornull; 42typedef DB DB_ornull;
43typedef DB_SEQUENCE DB_SEQUENCE_ornull;
49 44
50typedef SV SV8; /* byte-sv, used for argument-checking */ 45typedef SV SV8; /* byte-sv, used for argument-checking */
51typedef char *octetstring; 46typedef char *octetstring;
52 47
53static SV *prepare_cb; 48static SV *prepare_cb;
54 49
50static void
51debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
52{
53 printf ("err[%s]\n", msg);
54}
55
56static void
57debug_msgcall (const DB_ENV *dbenv, const char *msg)
58{
59 printf ("msg[%s]\n", msg);
60}
61
55static inline char * 62static char *
56strdup_ornull (const char *s) 63strdup_ornull (const char *s)
57{ 64{
58 return s ? strdup (s) : 0; 65 return s ? strdup (s) : 0;
59} 66}
60 67
61static inline void 68static void
62sv_to_dbt (DBT *dbt, SV *sv) 69sv_to_dbt (DBT *dbt, SV *sv)
63{ 70{
64 STRLEN len; 71 STRLEN len;
65 char *data = SvPVbyte (sv, len); 72 char *data = SvPVbyte (sv, len);
66 73
… …
68 memcpy (dbt->data, data, len); 75 memcpy (dbt->data, data, len);
69 dbt->size = len; 76 dbt->size = len;
70 dbt->flags = DB_DBT_REALLOC; 77 dbt->flags = DB_DBT_REALLOC;
71} 78}
72 79
73static inline void 80static void
74dbt_to_sv (SV *sv, DBT *dbt) 81dbt_to_sv (SV *sv, DBT *dbt)
75{ 82{
76 if (sv) 83 if (sv)
77 { 84 {
78 SvREADONLY_off (sv); 85 SvREADONLY_off (sv);
… …
83 free (dbt->data); 90 free (dbt->data);
84} 91}
85 92
86enum { 93enum {
87 REQ_QUIT, 94 REQ_QUIT,
88 REQ_ENV_OPEN, REQ_ENV_CLOSE, 95 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
89 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, 96 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
97 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
98 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90 REQ_TXN_COMMIT, REQ_TXN_ABORT, 99 REQ_TXN_COMMIT, REQ_TXN_ABORT,
91 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 100 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
101 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92}; 102};
93 103
94typedef struct aio_cb 104typedef struct aio_cb
95{ 105{
96 struct aio_cb *volatile next; 106 struct aio_cb *volatile next;
… …
107 U32 uint1, uint2; 117 U32 uint1, uint2;
108 char *buf1, *buf2; 118 char *buf1, *buf2;
109 SV *sv1, *sv2, *sv3; 119 SV *sv1, *sv2, *sv3;
110 120
111 DBT dbt1, dbt2, dbt3; 121 DBT dbt1, dbt2, dbt3;
122 DB_KEY_RANGE key_range;
123 DB_SEQUENCE *seq;
124 db_seq_t seq_t;
112} aio_cb; 125} aio_cb;
113 126
114typedef aio_cb *aio_req; 127typedef aio_cb *aio_req;
115 128
116enum { 129enum {
… …
136 149
137static int next_pri = DEFAULT_PRI + PRI_BIAS; 150static int next_pri = DEFAULT_PRI + PRI_BIAS;
138 151
139static unsigned int started, idle, wanted; 152static unsigned int started, idle, wanted;
140 153
141#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143#else
144# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145#endif
146
147#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150/* worker threads management */ 154/* worker threads management */
151static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 155static mutex_t wrklock = X_MUTEX_INIT;
152 156
153typedef struct worker { 157typedef struct worker {
154 /* locked by wrklock */ 158 /* locked by wrklock */
155 struct worker *prev, *next; 159 struct worker *prev, *next;
156 160
157 pthread_t tid; 161 thread_t tid;
158 162
159 /* locked by reslock, reqlock or wrklock */ 163 /* locked by reslock, reqlock or wrklock */
160 aio_req req; /* currently processed request */ 164 aio_req req; /* currently processed request */
161 void *dbuf; 165 void *dbuf;
162 DIR *dirp; 166 DIR *dirp;
… …
177} 181}
178 182
179static volatile unsigned int nreqs, nready, npending; 183static volatile unsigned int nreqs, nready, npending;
180static volatile unsigned int max_idle = 4; 184static volatile unsigned int max_idle = 4;
181static volatile unsigned int max_outstanding = 0xffffffff; 185static volatile unsigned int max_outstanding = 0xffffffff;
182static int respipe [2]; 186static int respipe [2], respipe_osf [2];
183 187
184static pthread_mutex_t reslock = AIO_MUTEX_INIT; 188static mutex_t reslock = X_MUTEX_INIT;
185static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 189static mutex_t reqlock = X_MUTEX_INIT;
186static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 190static cond_t reqwait = X_COND_INIT;
187 191
188#if WORDACCESS_UNSAFE 192#if WORDACCESS_UNSAFE
189 193
190static unsigned int get_nready () 194static unsigned int get_nready ()
191{ 195{
192 unsigned int retval; 196 unsigned int retval;
193 197
194 LOCK (reqlock); 198 X_LOCK (reqlock);
195 retval = nready; 199 retval = nready;
196 UNLOCK (reqlock); 200 X_UNLOCK (reqlock);
197 201
198 return retval; 202 return retval;
199} 203}
200 204
201static unsigned int get_npending () 205static unsigned int get_npending ()
202{ 206{
203 unsigned int retval; 207 unsigned int retval;
204 208
205 LOCK (reslock); 209 X_LOCK (reslock);
206 retval = npending; 210 retval = npending;
207 UNLOCK (reslock); 211 X_UNLOCK (reslock);
208 212
209 return retval; 213 return retval;
210} 214}
211 215
212static unsigned int get_nthreads () 216static unsigned int get_nthreads ()
213{ 217{
214 unsigned int retval; 218 unsigned int retval;
215 219
216 LOCK (wrklock); 220 X_LOCK (wrklock);
217 retval = started; 221 retval = started;
218 UNLOCK (wrklock); 222 X_UNLOCK (wrklock);
219 223
220 return retval; 224 return retval;
221} 225}
222 226
223#else 227#else
… …
293 if (SvOK (req->callback)) 297 if (SvOK (req->callback))
294 { 298 {
295 ENTER; 299 ENTER;
296 SAVETMPS; 300 SAVETMPS;
297 PUSHMARK (SP); 301 PUSHMARK (SP);
298 EXTEND (SP, 1);
299 302
300 switch (req->type) 303 switch (req->type)
301 { 304 {
302 case REQ_DB_CLOSE: 305 case REQ_DB_CLOSE:
303 SvREFCNT_dec (req->sv1); 306 SvREFCNT_dec (req->sv1);
… …
312 case REQ_C_PGET: 315 case REQ_C_PGET:
313 dbt_to_sv (req->sv1, &req->dbt1); 316 dbt_to_sv (req->sv1, &req->dbt1);
314 dbt_to_sv (req->sv2, &req->dbt2); 317 dbt_to_sv (req->sv2, &req->dbt2);
315 dbt_to_sv (req->sv3, &req->dbt3); 318 dbt_to_sv (req->sv3, &req->dbt3);
316 break; 319 break;
320
321 case REQ_DB_KEY_RANGE:
322 {
323 AV *av = newAV ();
324
325 av_push (av, newSVnv (req->key_range.less));
326 av_push (av, newSVnv (req->key_range.equal));
327 av_push (av, newSVnv (req->key_range.greater));
328
329 SvREADONLY_off (req->sv1);
330 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
331 SvREFCNT_dec (req->sv1);
332 }
333 break;
334
335 case REQ_SEQ_GET:
336 SvREADONLY_off (req->sv1);
337
338 if (sizeof (IV) > 4)
339 sv_setiv_mg (req->sv1, req->seq_t);
340 else
341 sv_setnv_mg (req->sv1, req->seq_t);
342
343 SvREFCNT_dec (req->sv1);
344 break;
317 } 345 }
318 346
319 errno = req->result; 347 errno = req->result;
320 348
321 PUTBACK; 349 PUTBACK;
… …
334 free (req->buf1); 362 free (req->buf1);
335 free (req->buf2); 363 free (req->buf2);
336 Safefree (req); 364 Safefree (req);
337} 365}
338 366
339static void *aio_proc (void *arg); 367#ifdef USE_SOCKETS_AS_HANDLES
368# define TO_SOCKET(x) (win32_get_osfhandle (x))
369#else
370# define TO_SOCKET(x) (x)
371#endif
372
373static void
374create_pipe (int fd[2])
375{
376#ifdef _WIN32
377 int arg = 1;
378 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
379 || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
380 || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
381#else
382 if (pipe (fd)
383 || fcntl (fd [0], F_SETFL, O_NONBLOCK)
384 || fcntl (fd [1], F_SETFL, O_NONBLOCK))
385#endif
386 croak ("unable to initialize result pipe");
387
388 respipe_osf [0] = TO_SOCKET (respipe [0]);
389 respipe_osf [1] = TO_SOCKET (respipe [1]);
390}
391
392X_THREAD_PROC (bdb_proc);
340 393
341static void start_thread (void) 394static void start_thread (void)
342{ 395{
343 sigset_t fullsigset, oldsigset;
344 pthread_attr_t attr;
345
346 worker *wrk = calloc (1, sizeof (worker)); 396 worker *wrk = calloc (1, sizeof (worker));
347 397
348 if (!wrk) 398 if (!wrk)
349 croak ("unable to allocate worker thread data"); 399 croak ("unable to allocate worker thread data");
350 400
351 pthread_attr_init (&attr);
352 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353#ifdef PTHREAD_SCOPE_PROCESS
354 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355#endif
356
357 sigfillset (&fullsigset);
358
359 LOCK (wrklock); 401 X_LOCK (wrklock);
360 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 402 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363 { 403 {
364 wrk->prev = &wrk_first; 404 wrk->prev = &wrk_first;
365 wrk->next = wrk_first.next; 405 wrk->next = wrk_first.next;
366 wrk_first.next->prev = wrk; 406 wrk_first.next->prev = wrk;
367 wrk_first.next = wrk; 407 wrk_first.next = wrk;
368 ++started; 408 ++started;
369 } 409 }
370 else 410 else
371 free (wrk); 411 free (wrk);
372 412
373 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374 UNLOCK (wrklock); 413 X_UNLOCK (wrklock);
375} 414}
376 415
377static void maybe_start_thread () 416static void maybe_start_thread ()
378{ 417{
379 if (get_nthreads () >= wanted) 418 if (get_nthreads () >= wanted)
… …
391 SV *wait_callback = 0; 430 SV *wait_callback = 0;
392 431
393 // synthesize callback if none given 432 // synthesize callback if none given
394 if (!SvOK (req->callback)) 433 if (!SvOK (req->callback))
395 { 434 {
435 int count;
436
396 dSP; 437 dSP;
397 PUSHMARK (SP); 438 PUSHMARK (SP);
398 PUTBACK; 439 PUTBACK;
399 int count = call_sv (prepare_cb, G_ARRAY); 440 count = call_sv (prepare_cb, G_ARRAY);
400 SPAGAIN; 441 SPAGAIN;
401 442
402 if (count != 2) 443 if (count != 2)
403 croak ("prepare callback must return exactly two values\n"); 444 croak ("prepare callback must return exactly two values\n");
404 445
… …
407 req->callback = SvREFCNT_inc (POPs); 448 req->callback = SvREFCNT_inc (POPs);
408 } 449 }
409 450
410 ++nreqs; 451 ++nreqs;
411 452
412 LOCK (reqlock); 453 X_LOCK (reqlock);
413 ++nready; 454 ++nready;
414 reqq_push (&req_queue, req); 455 reqq_push (&req_queue, req);
415 pthread_cond_signal (&reqwait); 456 X_COND_SIGNAL (reqwait);
416 UNLOCK (reqlock); 457 X_UNLOCK (reqlock);
417 458
418 maybe_start_thread (); 459 maybe_start_thread ();
419 460
420 if (wait_callback) 461 if (wait_callback)
421 { 462 {
… …
434 Newz (0, req, 1, aio_cb); 475 Newz (0, req, 1, aio_cb);
435 476
436 req->type = REQ_QUIT; 477 req->type = REQ_QUIT;
437 req->pri = PRI_MAX + PRI_BIAS; 478 req->pri = PRI_MAX + PRI_BIAS;
438 479
439 LOCK (reqlock); 480 X_LOCK (reqlock);
440 reqq_push (&req_queue, req); 481 reqq_push (&req_queue, req);
441 pthread_cond_signal (&reqwait); 482 X_COND_SIGNAL (reqwait);
442 UNLOCK (reqlock); 483 X_UNLOCK (reqlock);
443 484
444 LOCK (wrklock); 485 X_LOCK (wrklock);
445 --started; 486 --started;
446 UNLOCK (wrklock); 487 X_UNLOCK (wrklock);
447} 488}
448 489
449static void set_max_idle (int nthreads) 490static void set_max_idle (int nthreads)
450{ 491{
451 if (WORDACCESS_UNSAFE) LOCK (reqlock); 492 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452 max_idle = nthreads <= 0 ? 1 : nthreads; 493 max_idle = nthreads <= 0 ? 1 : nthreads;
453 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 494 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454} 495}
455 496
456static void min_parallel (int nthreads) 497static void min_parallel (int nthreads)
457{ 498{
458 if (wanted < nthreads) 499 if (wanted < nthreads)
… …
473 fd_set rfd; 514 fd_set rfd;
474 515
475 while (nreqs) 516 while (nreqs)
476 { 517 {
477 int size; 518 int size;
478 if (WORDACCESS_UNSAFE) LOCK (reslock); 519 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479 size = res_queue.size; 520 size = res_queue.size;
480 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 521 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481 522
482 if (size) 523 if (size)
483 return; 524 return;
484 525
485 maybe_start_thread (); 526 maybe_start_thread ();
486 527
487 FD_ZERO(&rfd); 528 FD_ZERO (&rfd);
488 FD_SET(respipe [0], &rfd); 529 FD_SET (respipe [0], &rfd);
489 530
490 select (respipe [0] + 1, &rfd, 0, 0, 0); 531 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491 } 532 }
492} 533}
493 534
494static int poll_cb () 535static int poll_cb ()
495{ 536{
… …
507 { 548 {
508 for (;;) 549 for (;;)
509 { 550 {
510 maybe_start_thread (); 551 maybe_start_thread ();
511 552
512 LOCK (reslock); 553 X_LOCK (reslock);
513 req = reqq_shift (&res_queue); 554 req = reqq_shift (&res_queue);
514 555
515 if (req) 556 if (req)
516 { 557 {
517 --npending; 558 --npending;
518 559
519 if (!res_queue.size) 560 if (!res_queue.size)
520 { 561 {
521 /* read any signals sent by the worker threads */ 562 /* read any signals sent by the worker threads */
522 char buf [4]; 563 char buf [4];
523 while (read (respipe [0], buf, 4) == 4) 564 while (respipe_read (respipe [0], buf, 4) == 4)
524 ; 565 ;
525 } 566 }
526 } 567 }
527 568
528 UNLOCK (reslock); 569 X_UNLOCK (reslock);
529 570
530 if (!req) 571 if (!req)
531 break; 572 break;
532 573
533 --nreqs; 574 --nreqs;
… …
563 } 604 }
564 605
565 return count; 606 return count;
566} 607}
567 608
568static void create_pipe ()
569{
570 if (pipe (respipe))
571 croak ("unable to initialize result pipe");
572
573 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574 croak ("cannot set result pipe to nonblocking mode");
575
576 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577 croak ("cannot set result pipe to nonblocking mode");
578}
579
580/*****************************************************************************/ 609/*****************************************************************************/
581 610
582static void *aio_proc (void *thr_arg) 611X_THREAD_PROC (bdb_proc)
583{ 612{
584 aio_req req; 613 aio_req req;
585 struct timespec ts; 614 struct timespec ts;
586 worker *self = (worker *)thr_arg; 615 worker *self = (worker *)thr_arg;
587 616
588 /* try to distribute timeouts somewhat evenly */ 617 /* try to distribute timeouts somewhat evenly */
589 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 618 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590 * (1000000000UL / 1024UL);
591 619
592 for (;;) 620 for (;;)
593 { 621 {
594 ts.tv_sec = time (0) + IDLE_TIMEOUT; 622 ts.tv_sec = time (0) + IDLE_TIMEOUT;
595 623
596 LOCK (reqlock); 624 X_LOCK (reqlock);
597 625
598 for (;;) 626 for (;;)
599 { 627 {
600 self->req = req = reqq_shift (&req_queue); 628 self->req = req = reqq_shift (&req_queue);
601 629
602 if (req) 630 if (req)
603 break; 631 break;
604 632
605 ++idle; 633 ++idle;
606 634
607 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 635 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608 == ETIMEDOUT) 636 == ETIMEDOUT)
609 { 637 {
610 if (idle > max_idle) 638 if (idle > max_idle)
611 { 639 {
612 --idle; 640 --idle;
613 UNLOCK (reqlock); 641 X_UNLOCK (reqlock);
614 LOCK (wrklock); 642 X_LOCK (wrklock);
615 --started; 643 --started;
616 UNLOCK (wrklock); 644 X_UNLOCK (wrklock);
617 goto quit; 645 goto quit;
618 } 646 }
619 647
620 /* we are allowed to idle, so do so without any timeout */ 648 /* we are allowed to idle, so do so without any timeout */
621 pthread_cond_wait (&reqwait, &reqlock); 649 X_COND_WAIT (reqwait, reqlock);
622 ts.tv_sec = time (0) + IDLE_TIMEOUT; 650 ts.tv_sec = time (0) + IDLE_TIMEOUT;
623 } 651 }
624 652
625 --idle; 653 --idle;
626 } 654 }
627 655
628 --nready; 656 --nready;
629 657
630 UNLOCK (reqlock); 658 X_UNLOCK (reqlock);
631 659
632 switch (req->type) 660 switch (req->type)
633 { 661 {
634 case REQ_QUIT: 662 case REQ_QUIT:
635 goto quit; 663 goto quit;
… …
640 668
641 case REQ_ENV_CLOSE: 669 case REQ_ENV_CLOSE:
642 req->result = req->env->close (req->env, req->uint1); 670 req->result = req->env->close (req->env, req->uint1);
643 break; 671 break;
644 672
673 case REQ_ENV_TXN_CHECKPOINT:
674 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
675 break;
676
677 case REQ_ENV_LOCK_DETECT:
678 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
679 break;
680
681 case REQ_ENV_MEMP_SYNC:
682 req->result = req->env->memp_sync (req->env, 0);
683 break;
684
685 case REQ_ENV_MEMP_TRICKLE:
686 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
687 break;
688
645 case REQ_DB_OPEN: 689 case REQ_DB_OPEN:
646 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); 690 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647 break; 691 break;
648 692
649 case REQ_DB_CLOSE: 693 case REQ_DB_CLOSE:
… …
670 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); 714 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
671 break; 715 break;
672 716
673 case REQ_DB_DEL: 717 case REQ_DB_DEL:
674 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); 718 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
719 break;
720
721 case REQ_DB_KEY_RANGE:
722 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
675 break; 723 break;
676 724
677 case REQ_TXN_COMMIT: 725 case REQ_TXN_COMMIT:
678 req->result = req->txn->commit (req->txn, req->uint1); 726 req->result = req->txn->commit (req->txn, req->uint1);
679 break; 727 break;
… …
708 756
709 case REQ_C_DEL: 757 case REQ_C_DEL:
710 req->result = req->dbc->c_del (req->dbc, req->uint1); 758 req->result = req->dbc->c_del (req->dbc, req->uint1);
711 break; 759 break;
712 760
761 case REQ_SEQ_OPEN:
762 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
763 break;
764
765 case REQ_SEQ_CLOSE:
766 req->result = req->seq->close (req->seq, req->uint1);
767 break;
768
769 case REQ_SEQ_GET:
770 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
771 break;
772
773 case REQ_SEQ_REMOVE:
774 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
775 break;
776
713 default: 777 default:
714 req->result = ENOSYS; 778 req->result = ENOSYS;
715 break; 779 break;
716 } 780 }
717 781
718 LOCK (reslock); 782 X_LOCK (reslock);
719 783
720 ++npending; 784 ++npending;
721 785
722 if (!reqq_push (&res_queue, req)) 786 if (!reqq_push (&res_queue, req))
723 /* write a dummy byte to the pipe so fh becomes ready */ 787 /* write a dummy byte to the pipe so fh becomes ready */
724 write (respipe [1], &respipe, 1); 788 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725 789
726 self->req = 0; 790 self->req = 0;
727 worker_clear (self); 791 worker_clear (self);
728 792
729 UNLOCK (reslock); 793 X_UNLOCK (reslock);
730 } 794 }
731 795
732quit: 796quit:
733 LOCK (wrklock); 797 X_LOCK (wrklock);
734 worker_free (self); 798 worker_free (self);
735 UNLOCK (wrklock); 799 X_UNLOCK (wrklock);
736 800
737 return 0; 801 return 0;
738} 802}
739 803
740/*****************************************************************************/ 804/*****************************************************************************/
741 805
742static void atfork_prepare (void) 806static void atfork_prepare (void)
743{ 807{
744 LOCK (wrklock); 808 X_LOCK (wrklock);
745 LOCK (reqlock); 809 X_LOCK (reqlock);
746 LOCK (reslock); 810 X_LOCK (reslock);
747} 811}
748 812
749static void atfork_parent (void) 813static void atfork_parent (void)
750{ 814{
751 UNLOCK (reslock); 815 X_UNLOCK (reslock);
752 UNLOCK (reqlock); 816 X_UNLOCK (reqlock);
753 UNLOCK (wrklock); 817 X_UNLOCK (wrklock);
754} 818}
755 819
756static void atfork_child (void) 820static void atfork_child (void)
757{ 821{
758 aio_req prv; 822 aio_req prv;
… …
778 idle = 0; 842 idle = 0;
779 nreqs = 0; 843 nreqs = 0;
780 nready = 0; 844 nready = 0;
781 npending = 0; 845 npending = 0;
782 846
783 close (respipe [0]); 847 respipe_close (respipe [0]);
784 close (respipe [1]); 848 respipe_close (respipe [1]);
849
785 create_pipe (); 850 create_pipe (respipe);
786 851
787 atfork_parent (); 852 atfork_parent ();
788} 853}
789 854
790#define dREQ(reqtype) \ 855#define dREQ(reqtype) \
… …
869 const_iv (DSYNC_DB) 934 const_iv (DSYNC_DB)
870 const_iv (DSYNC_LOG) 935 const_iv (DSYNC_LOG)
871 const_iv (LOG_AUTOREMOVE) 936 const_iv (LOG_AUTOREMOVE)
872 const_iv (LOG_INMEMORY) 937 const_iv (LOG_INMEMORY)
873 const_iv (NOLOCKING) 938 const_iv (NOLOCKING)
874 const_iv (MULTIVERSION)
875 const_iv (NOMMAP) 939 const_iv (NOMMAP)
876 const_iv (NOPANIC) 940 const_iv (NOPANIC)
877 const_iv (OVERWRITE) 941 const_iv (OVERWRITE)
878 const_iv (PANIC_ENVIRONMENT) 942 const_iv (PANIC_ENVIRONMENT)
879 const_iv (REGION_INIT) 943 const_iv (REGION_INIT)
880 const_iv (TIME_NOTGRANTED) 944 const_iv (TIME_NOTGRANTED)
881 const_iv (TXN_NOSYNC) 945 const_iv (TXN_NOSYNC)
882 const_iv (TXN_SNAPSHOT)
883 const_iv (TXN_WRITE_NOSYNC) 946 const_iv (TXN_WRITE_NOSYNC)
884 const_iv (WRITECURSOR) 947 const_iv (WRITECURSOR)
885 const_iv (YIELDCPU) 948 const_iv (YIELDCPU)
886 const_iv (ENCRYPT_AES) 949 const_iv (ENCRYPT_AES)
887 const_iv (XA_CREATE) 950 const_iv (XA_CREATE)
… …
930 const_iv (APPEND) 993 const_iv (APPEND)
931 const_iv (NODUPDATA) 994 const_iv (NODUPDATA)
932 const_iv (NOOVERWRITE) 995 const_iv (NOOVERWRITE)
933 996
934 const_iv (TXN_NOWAIT) 997 const_iv (TXN_NOWAIT)
935 const_iv (TXN_SNAPSHOT)
936 const_iv (TXN_SYNC) 998 const_iv (TXN_SYNC)
937 999
938 const_iv (SET_LOCK_TIMEOUT) 1000 const_iv (SET_LOCK_TIMEOUT)
939 const_iv (SET_TXN_TIMEOUT) 1001 const_iv (SET_TXN_TIMEOUT)
940 1002
… …
952 const_iv (AFTER) 1014 const_iv (AFTER)
953 const_iv (CURRENT) 1015 const_iv (CURRENT)
954 const_iv (KEYFIRST) 1016 const_iv (KEYFIRST)
955 const_iv (KEYLAST) 1017 const_iv (KEYLAST)
956 const_iv (NODUPDATA) 1018 const_iv (NODUPDATA)
1019
1020 const_iv (FORCE)
1021
1022 const_iv (LOCK_DEFAULT)
1023 const_iv (LOCK_EXPIRE)
1024 const_iv (LOCK_MAXLOCKS)
1025 const_iv (LOCK_MAXWRITE)
1026 const_iv (LOCK_MINLOCKS)
1027 const_iv (LOCK_MINWRITE)
1028 const_iv (LOCK_OLDEST)
1029 const_iv (LOCK_RANDOM)
1030 const_iv (LOCK_YOUNGEST)
1031
1032 const_iv (SEQ_DEC)
1033 const_iv (SEQ_INC)
1034 const_iv (SEQ_WRAP)
1035
1036 const_iv (BUFFER_SMALL)
1037 const_iv (DONOTINDEX)
1038 const_iv (KEYEMPTY )
1039 const_iv (KEYEXIST )
1040 const_iv (LOCK_DEADLOCK)
1041 const_iv (LOCK_NOTGRANTED)
1042 const_iv (LOG_BUFFER_FULL)
1043 const_iv (NOSERVER)
1044 const_iv (NOSERVER_HOME)
1045 const_iv (NOSERVER_ID)
1046 const_iv (NOTFOUND)
1047 const_iv (OLD_VERSION)
1048 const_iv (PAGE_NOTFOUND)
1049 const_iv (REP_DUPMASTER)
1050 const_iv (REP_HANDLE_DEAD)
1051 const_iv (REP_HOLDELECTION)
1052 const_iv (REP_IGNORE)
1053 const_iv (REP_ISPERM)
1054 const_iv (REP_JOIN_FAILURE)
1055 const_iv (REP_LOCKOUT)
1056 const_iv (REP_NEWMASTER)
1057 const_iv (REP_NEWSITE)
1058 const_iv (REP_NOTPERM)
1059 const_iv (REP_UNAVAIL)
1060 const_iv (RUNRECOVERY)
1061 const_iv (SECONDARY_BAD)
1062 const_iv (VERIFY_BAD)
1063 const_iv (VERSION_MISMATCH)
1064
1065 const_iv (VERB_DEADLOCK)
1066 const_iv (VERB_RECOVERY)
1067 const_iv (VERB_REGISTER)
1068 const_iv (VERB_REPLICATION)
1069 const_iv (VERB_WAITSFOR)
1070
1071 const_iv (VERSION_MAJOR)
1072 const_iv (VERSION_MINOR)
1073 const_iv (VERSION_PATCH)
1074#if DB_VERSION_MINOR >= 5
1075 const_iv (MULTIVERSION)
1076 const_iv (TXN_SNAPSHOT)
1077#endif
957 }; 1078 };
958 1079
959 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1080 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1081 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961 1082
962 create_pipe (); 1083 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1084 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1085
1086 create_pipe (respipe);
1087
963 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1088 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1089#ifdef _WIN32
1090 X_MUTEX_CHECK (wrklock);
1091 X_MUTEX_CHECK (reslock);
1092 X_MUTEX_CHECK (reqlock);
1093
1094 X_COND_CHECK (reqwait);
1095#endif
964} 1096}
965 1097
966void 1098void
967max_poll_reqs (int nreqs) 1099max_poll_reqs (int nreqs)
968 PROTOTYPE: $ 1100 PROTOTYPE: $
… …
1087 1219
1088int 1220int
1089nthreads () 1221nthreads ()
1090 PROTOTYPE: 1222 PROTOTYPE:
1091 CODE: 1223 CODE:
1092 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1224 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093 RETVAL = started; 1225 RETVAL = started;
1094 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1226 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095 OUTPUT: 1227 OUTPUT:
1096 RETVAL 1228 RETVAL
1097 1229
1098void 1230void
1099set_sync_prepare (SV *cb) 1231set_sync_prepare (SV *cb)
1100 PROTOTYPE: & 1232 PROTOTYPE: &
1101 CODE: 1233 CODE:
1102 SvREFCNT_dec (prepare_cb); 1234 SvREFCNT_dec (prepare_cb);
1103 prepare_cb = newSVsv (cb); 1235 prepare_cb = newSVsv (cb);
1236
1237char *
1238strerror (int errorno = errno)
1239 PROTOTYPE: ;$
1240 CODE:
1241 RETVAL = db_strerror (errorno);
1242 OUTPUT:
1243 RETVAL
1104 1244
1105DB_ENV * 1245DB_ENV *
1106db_env_create (U32 env_flags = 0) 1246db_env_create (U32 env_flags = 0)
1107 CODE: 1247 CODE:
1108{ 1248{
1109 errno = db_env_create (&RETVAL, env_flags); 1249 errno = db_env_create (&RETVAL, env_flags);
1110 if (errno) 1250 if (errno)
1111 croak ("db_env_create: %s", db_strerror (errno)); 1251 croak ("db_env_create: %s", db_strerror (errno));
1252
1253 if (0)
1254 {
1255 RETVAL->set_errcall (RETVAL, debug_errcall);
1256 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1257 }
1112} 1258}
1113 OUTPUT: 1259 OUTPUT:
1114 RETVAL 1260 RETVAL
1115 1261
1116void 1262void
1117db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1263db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118 CODE: 1264 CODE:
1119{ 1265{
1120 dREQ (REQ_ENV_OPEN); 1266 dREQ (REQ_ENV_OPEN);
1267
1268 env->set_thread_count (env, wanted + 2);
1269
1121 req->env = env; 1270 req->env = env;
1122 req->uint1 = open_flags | DB_THREAD; 1271 req->uint1 = open_flags | DB_THREAD;
1123 req->int1 = mode; 1272 req->int1 = mode;
1124 req->buf1 = strdup_ornull (db_home); 1273 req->buf1 = strdup_ornull (db_home);
1125 REQ_SEND; 1274 REQ_SEND;
… …
1133 req->env = env; 1282 req->env = env;
1134 req->uint1 = flags; 1283 req->uint1 = flags;
1135 REQ_SEND; 1284 REQ_SEND;
1136 ptr_nuke (ST (0)); 1285 ptr_nuke (ST (0));
1137} 1286}
1287
1288void
1289db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1290 CODE:
1291{
1292 dREQ (REQ_ENV_TXN_CHECKPOINT);
1293 req->env = env;
1294 req->uint1 = kbyte;
1295 req->int1 = min;
1296 req->uint2 = flags;
1297 REQ_SEND;
1298}
1299
1300void
1301db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1302 CODE:
1303{
1304 dREQ (REQ_ENV_LOCK_DETECT);
1305 req->env = env;
1306 req->uint1 = flags;
1307 req->uint2 = atype;
1308 REQ_SEND;
1309}
1310
1311void
1312db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1313 CODE:
1314{
1315 dREQ (REQ_ENV_MEMP_SYNC);
1316 req->env = env;
1317 REQ_SEND;
1318}
1319
1320void
1321db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1322 CODE:
1323{
1324 dREQ (REQ_ENV_MEMP_TRICKLE);
1325 req->env = env;
1326 req->int1 = percent;
1327 REQ_SEND;
1328}
1329
1138 1330
1139DB * 1331DB *
1140db_create (DB_ENV *env = 0, U32 flags = 0) 1332db_create (DB_ENV *env = 0, U32 flags = 0)
1141 CODE: 1333 CODE:
1142{ 1334{
… …
1199 req->uint1 = flags; 1391 req->uint1 = flags;
1200 REQ_SEND; 1392 REQ_SEND;
1201} 1393}
1202 1394
1203void 1395void
1396db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1397 CODE:
1398{
1399 dREQ (REQ_DB_KEY_RANGE);
1400 req->db = db;
1401 req->txn = txn;
1402 sv_to_dbt (&req->dbt1, key);
1403 req->uint1 = flags;
1404 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1405 REQ_SEND;
1406}
1407
1408void
1204db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1409db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205 CODE: 1410 CODE:
1206{ 1411{
1207 dREQ (REQ_DB_PUT); 1412 dREQ (REQ_DB_PUT);
1208 req->db = db; 1413 req->db = db;
… …
1369 req->uint1 = flags; 1574 req->uint1 = flags;
1370 REQ_SEND; 1575 REQ_SEND;
1371} 1576}
1372 1577
1373 1578
1579void
1580db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1581 CODE:
1582{
1583 dREQ (REQ_SEQ_OPEN);
1584 req->seq = seq;
1585 req->txn = txnid;
1586 req->uint1 = flags | DB_THREAD;
1587 sv_to_dbt (&req->dbt1, key);
1588 REQ_SEND;
1589}
1590
1591void
1592db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1593 CODE:
1594{
1595 dREQ (REQ_SEQ_CLOSE);
1596 req->seq = seq;
1597 req->uint1 = flags;
1598 REQ_SEND;
1599 ptr_nuke (ST (0));
1600}
1601
1602void
1603db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1604 CODE:
1605{
1606 dREQ (REQ_SEQ_GET);
1607 req->seq = seq;
1608 req->txn = txnid;
1609 req->int1 = delta;
1610 req->uint1 = flags;
1611 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1612 REQ_SEND;
1613}
1614
1615void
1616db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1617 CODE:
1618{
1619 dREQ (REQ_SEQ_REMOVE);
1620 req->seq = seq;
1621 req->txn = txnid;
1622 req->uint1 = flags;
1623 REQ_SEND;
1624}
1625
1626
1374MODULE = BDB PACKAGE = BDB::Env 1627MODULE = BDB PACKAGE = BDB::Env
1375 1628
1376void 1629void
1377DESTROY (DB_ENV_ornull *env) 1630DESTROY (DB_ENV_ornull *env)
1378 CODE: 1631 CODE:
1379 if (env) 1632 if (env)
1380 env->close (env, 0); 1633 env->close (env, 0);
1381 1634
1635int set_data_dir (DB_ENV *env, const char *dir)
1636 CODE:
1637 RETVAL = env->set_data_dir (env, dir);
1638 OUTPUT:
1639 RETVAL
1640
1641int set_tmp_dir (DB_ENV *env, const char *dir)
1642 CODE:
1643 RETVAL = env->set_tmp_dir (env, dir);
1644 OUTPUT:
1645 RETVAL
1646
1647int set_lg_dir (DB_ENV *env, const char *dir)
1648 CODE:
1649 RETVAL = env->set_lg_dir (env, dir);
1650 OUTPUT:
1651 RETVAL
1652
1653int set_shm_key (DB_ENV *env, long shm_key)
1654 CODE:
1655 RETVAL = env->set_shm_key (env, shm_key);
1656 OUTPUT:
1657 RETVAL
1658
1382int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) 1659int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383 CODE: 1660 CODE:
1384 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1661 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385 OUTPUT: 1662 OUTPUT:
1386 RETVAL 1663 RETVAL
… …
1389 CODE: 1666 CODE:
1390 RETVAL = env->set_flags (env, flags, onoff); 1667 RETVAL = env->set_flags (env, flags, onoff);
1391 OUTPUT: 1668 OUTPUT:
1392 RETVAL 1669 RETVAL
1393 1670
1671void set_errfile (DB_ENV *env, FILE *errfile)
1672 CODE:
1673 env->set_errfile (env, errfile);
1674
1675void set_msgfile (DB_ENV *env, FILE *msgfile)
1676 CODE:
1677 env->set_msgfile (env, msgfile);
1678
1679int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1680 CODE:
1681 RETVAL = env->set_verbose (env, which, onoff);
1682 OUTPUT:
1683 RETVAL
1684
1394int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1685int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395 CODE: 1686 CODE:
1396 RETVAL = env->set_encrypt (env, password, flags); 1687 RETVAL = env->set_encrypt (env, password, flags);
1397 OUTPUT: 1688 OUTPUT:
1398 RETVAL 1689 RETVAL
1399 1690
1400int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1691int set_timeout (DB_ENV *env, NV timeout, U32 flags)
1401 CODE: 1692 CODE:
1402 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1693 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1694 OUTPUT:
1695 RETVAL
1696
1697int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1698 CODE:
1699 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1700 OUTPUT:
1701 RETVAL
1702
1703int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1704 CODE:
1705 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1706 OUTPUT:
1707 RETVAL
1708
1709int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1710 CODE:
1711 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1712 OUTPUT:
1713 RETVAL
1714
1715int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1716 CODE:
1717 RETVAL = env->set_lk_detect (env, detect);
1718 OUTPUT:
1719 RETVAL
1720
1721int set_lk_max_lockers (DB_ENV *env, U32 max)
1722 CODE:
1723 RETVAL = env->set_lk_max_lockers (env, max);
1724 OUTPUT:
1725 RETVAL
1726
1727int set_lk_max_locks (DB_ENV *env, U32 max)
1728 CODE:
1729 RETVAL = env->set_lk_max_locks (env, max);
1730 OUTPUT:
1731 RETVAL
1732
1733int set_lk_max_objects (DB_ENV *env, U32 max)
1734 CODE:
1735 RETVAL = env->set_lk_max_objects (env, max);
1736 OUTPUT:
1737 RETVAL
1738
1739int set_lg_bsize (DB_ENV *env, U32 max)
1740 CODE:
1741 RETVAL = env->set_lg_bsize (env, max);
1742 OUTPUT:
1743 RETVAL
1744
1745int set_lg_max (DB_ENV *env, U32 max)
1746 CODE:
1747 RETVAL = env->set_lg_max (env, max);
1403 OUTPUT: 1748 OUTPUT:
1404 RETVAL 1749 RETVAL
1405 1750
1406DB_TXN * 1751DB_TXN *
1407txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1752txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
… …
1446 CODE: 1791 CODE:
1447 RETVAL = db->set_lorder (db, lorder); 1792 RETVAL = db->set_lorder (db, lorder);
1448 OUTPUT: 1793 OUTPUT:
1449 RETVAL 1794 RETVAL
1450 1795
1451
1452int set_bt_minkey (DB *db, U32 minkey) 1796int set_bt_minkey (DB *db, U32 minkey)
1453 CODE: 1797 CODE:
1454 RETVAL = db->set_bt_minkey (db, minkey); 1798 RETVAL = db->set_bt_minkey (db, minkey);
1455 OUTPUT: 1799 OUTPUT:
1456 RETVAL 1800 RETVAL
… …
1504 if (errno) 1848 if (errno)
1505 croak ("DB->cursor: %s", db_strerror (errno)); 1849 croak ("DB->cursor: %s", db_strerror (errno));
1506 OUTPUT: 1850 OUTPUT:
1507 RETVAL 1851 RETVAL
1508 1852
1853DB_SEQUENCE *
1854sequence (DB *db, U32 flags = 0)
1855 CODE:
1856{
1857 errno = db_sequence_create (&RETVAL, db, flags);
1858 if (errno)
1859 croak ("db_sequence_create: %s", db_strerror (errno));
1860}
1861 OUTPUT:
1862 RETVAL
1863
1509 1864
1510MODULE = BDB PACKAGE = BDB::Txn 1865MODULE = BDB PACKAGE = BDB::Txn
1511 1866
1512void 1867void
1513DESTROY (DB_TXN_ornull *txn) 1868DESTROY (DB_TXN_ornull *txn)
… …
1528DESTROY (DBC_ornull *dbc) 1883DESTROY (DBC_ornull *dbc)
1529 CODE: 1884 CODE:
1530 if (dbc) 1885 if (dbc)
1531 dbc->c_close (dbc); 1886 dbc->c_close (dbc);
1532 1887
1888MODULE = BDB PACKAGE = BDB::Sequence
1889
1890void
1891DESTROY (DB_SEQUENCE_ornull *seq)
1892 CODE:
1893 if (seq)
1894 seq->close (seq, 0);
1895
1896int initial_value (DB_SEQUENCE *seq, db_seq_t value)
1897 CODE:
1898 RETVAL = seq->initial_value (seq, value);
1899 OUTPUT:
1900 RETVAL
1901
1902int set_cachesize (DB_SEQUENCE *seq, U32 size)
1903 CODE:
1904 RETVAL = seq->set_cachesize (seq, size);
1905 OUTPUT:
1906 RETVAL
1907
1908int set_flags (DB_SEQUENCE *seq, U32 flags)
1909 CODE:
1910 RETVAL = seq->set_flags (seq, flags);
1911 OUTPUT:
1912 RETVAL
1913
1914int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
1915 CODE:
1916 RETVAL = seq->set_range (seq, min, max);
1917 OUTPUT:
1918 RETVAL
1919

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