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Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.20 by root, Tue Dec 4 10:13:50 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
50#if DB_VERSION_MINOR >= 6
51# define c_close close
52# define c_count count
53# define c_del del
54# define c_dup dup
55# define c_get get
56# define c_pget pget
57# define c_put put
58#endif
59
60static void
61debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62{
63 printf ("err[%s]\n", msg);
64}
65
66static void
67debug_msgcall (const DB_ENV *dbenv, const char *msg)
68{
69 printf ("msg[%s]\n", msg);
70}
71
55static inline char * 72static char *
56strdup_ornull (const char *s) 73strdup_ornull (const char *s)
57{ 74{
58 return s ? strdup (s) : 0; 75 return s ? strdup (s) : 0;
59} 76}
60 77
61static inline void 78static void
62sv_to_dbt (DBT *dbt, SV *sv) 79sv_to_dbt (DBT *dbt, SV *sv)
63{ 80{
64 STRLEN len; 81 STRLEN len;
65 char *data = SvPVbyte (sv, len); 82 char *data = SvPVbyte (sv, len);
66 83
… …
68 memcpy (dbt->data, data, len); 85 memcpy (dbt->data, data, len);
69 dbt->size = len; 86 dbt->size = len;
70 dbt->flags = DB_DBT_REALLOC; 87 dbt->flags = DB_DBT_REALLOC;
71} 88}
72 89
73static inline void 90static void
74dbt_to_sv (SV *sv, DBT *dbt) 91dbt_to_sv (SV *sv, DBT *dbt)
75{ 92{
76 if (sv) 93 if (sv)
77 { 94 {
78 SvREADONLY_off (sv); 95 SvREADONLY_off (sv);
… …
83 free (dbt->data); 100 free (dbt->data);
84} 101}
85 102
86enum { 103enum {
87 REQ_QUIT, 104 REQ_QUIT,
88 REQ_ENV_OPEN, REQ_ENV_CLOSE, 105 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, 106 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
107 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
108 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90 REQ_TXN_COMMIT, REQ_TXN_ABORT, 109 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 110 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
111 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92}; 112};
93 113
94typedef struct aio_cb 114typedef struct aio_cb
95{ 115{
96 struct aio_cb *volatile next; 116 struct aio_cb *volatile next;
… …
107 U32 uint1, uint2; 127 U32 uint1, uint2;
108 char *buf1, *buf2; 128 char *buf1, *buf2;
109 SV *sv1, *sv2, *sv3; 129 SV *sv1, *sv2, *sv3;
110 130
111 DBT dbt1, dbt2, dbt3; 131 DBT dbt1, dbt2, dbt3;
132 DB_KEY_RANGE key_range;
133 DB_SEQUENCE *seq;
134 db_seq_t seq_t;
112} aio_cb; 135} aio_cb;
113 136
114typedef aio_cb *aio_req; 137typedef aio_cb *aio_req;
115 138
116enum { 139enum {
… …
136 159
137static int next_pri = DEFAULT_PRI + PRI_BIAS; 160static int next_pri = DEFAULT_PRI + PRI_BIAS;
138 161
139static unsigned int started, idle, wanted; 162static unsigned int started, idle, wanted;
140 163
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 */ 164/* worker threads management */
151static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 165static mutex_t wrklock = X_MUTEX_INIT;
152 166
153typedef struct worker { 167typedef struct worker {
154 /* locked by wrklock */ 168 /* locked by wrklock */
155 struct worker *prev, *next; 169 struct worker *prev, *next;
156 170
157 pthread_t tid; 171 thread_t tid;
158 172
159 /* locked by reslock, reqlock or wrklock */ 173 /* locked by reslock, reqlock or wrklock */
160 aio_req req; /* currently processed request */ 174 aio_req req; /* currently processed request */
161 void *dbuf; 175 void *dbuf;
162 DIR *dirp; 176 DIR *dirp;
… …
177} 191}
178 192
179static volatile unsigned int nreqs, nready, npending; 193static volatile unsigned int nreqs, nready, npending;
180static volatile unsigned int max_idle = 4; 194static volatile unsigned int max_idle = 4;
181static volatile unsigned int max_outstanding = 0xffffffff; 195static volatile unsigned int max_outstanding = 0xffffffff;
182static int respipe [2]; 196static int respipe_osf [2], respipe [2] = { -1, -1 };
183 197
184static pthread_mutex_t reslock = AIO_MUTEX_INIT; 198static mutex_t reslock = X_MUTEX_INIT;
185static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 199static mutex_t reqlock = X_MUTEX_INIT;
186static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 200static cond_t reqwait = X_COND_INIT;
187 201
188#if WORDACCESS_UNSAFE 202#if WORDACCESS_UNSAFE
189 203
190static unsigned int get_nready () 204static unsigned int get_nready ()
191{ 205{
192 unsigned int retval; 206 unsigned int retval;
193 207
194 LOCK (reqlock); 208 X_LOCK (reqlock);
195 retval = nready; 209 retval = nready;
196 UNLOCK (reqlock); 210 X_UNLOCK (reqlock);
197 211
198 return retval; 212 return retval;
199} 213}
200 214
201static unsigned int get_npending () 215static unsigned int get_npending ()
202{ 216{
203 unsigned int retval; 217 unsigned int retval;
204 218
205 LOCK (reslock); 219 X_LOCK (reslock);
206 retval = npending; 220 retval = npending;
207 UNLOCK (reslock); 221 X_UNLOCK (reslock);
208 222
209 return retval; 223 return retval;
210} 224}
211 225
212static unsigned int get_nthreads () 226static unsigned int get_nthreads ()
213{ 227{
214 unsigned int retval; 228 unsigned int retval;
215 229
216 LOCK (wrklock); 230 X_LOCK (wrklock);
217 retval = started; 231 retval = started;
218 UNLOCK (wrklock); 232 X_UNLOCK (wrklock);
219 233
220 return retval; 234 return retval;
221} 235}
222 236
223#else 237#else
… …
293 if (SvOK (req->callback)) 307 if (SvOK (req->callback))
294 { 308 {
295 ENTER; 309 ENTER;
296 SAVETMPS; 310 SAVETMPS;
297 PUSHMARK (SP); 311 PUSHMARK (SP);
298 EXTEND (SP, 1);
299 312
300 switch (req->type) 313 switch (req->type)
301 { 314 {
302 case REQ_DB_CLOSE: 315 case REQ_DB_CLOSE:
303 SvREFCNT_dec (req->sv1); 316 SvREFCNT_dec (req->sv1);
… …
312 case REQ_C_PGET: 325 case REQ_C_PGET:
313 dbt_to_sv (req->sv1, &req->dbt1); 326 dbt_to_sv (req->sv1, &req->dbt1);
314 dbt_to_sv (req->sv2, &req->dbt2); 327 dbt_to_sv (req->sv2, &req->dbt2);
315 dbt_to_sv (req->sv3, &req->dbt3); 328 dbt_to_sv (req->sv3, &req->dbt3);
316 break; 329 break;
330
331 case REQ_DB_KEY_RANGE:
332 {
333 AV *av = newAV ();
334
335 av_push (av, newSVnv (req->key_range.less));
336 av_push (av, newSVnv (req->key_range.equal));
337 av_push (av, newSVnv (req->key_range.greater));
338
339 SvREADONLY_off (req->sv1);
340 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341 SvREFCNT_dec (req->sv1);
342 }
343 break;
344
345 case REQ_SEQ_GET:
346 SvREADONLY_off (req->sv1);
347
348 if (sizeof (IV) > 4)
349 sv_setiv_mg (req->sv1, req->seq_t);
350 else
351 sv_setnv_mg (req->sv1, req->seq_t);
352
353 SvREFCNT_dec (req->sv1);
354 break;
317 } 355 }
318 356
319 errno = req->result; 357 errno = req->result;
320 358
321 PUTBACK; 359 PUTBACK;
… …
334 free (req->buf1); 372 free (req->buf1);
335 free (req->buf2); 373 free (req->buf2);
336 Safefree (req); 374 Safefree (req);
337} 375}
338 376
339static void *aio_proc (void *arg); 377#ifdef USE_SOCKETS_AS_HANDLES
378# define TO_SOCKET(x) (win32_get_osfhandle (x))
379#else
380# define TO_SOCKET(x) (x)
381#endif
382
383static void
384create_respipe ()
385{
386 int old_readfd = respipe [0];
387
388 if (respipe [1] >= 0)
389 respipe_close (TO_SOCKET (respipe [1]));
390
391#ifdef _WIN32
392 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393#else
394 if (pipe (respipe))
395#endif
396 croak ("unable to initialize result pipe");
397
398 if (old_readfd >= 0)
399 {
400 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401 croak ("unable to initialize result pipe(2)");
402
403 respipe_close (respipe [0]);
404 respipe [0] = old_readfd;
405 }
406
407#ifdef _WIN32
408 int arg = 1;
409 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411#else
412 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414#endif
415 croak ("unable to initialize result pipe(3)");
416
417 respipe_osf [0] = TO_SOCKET (respipe [0]);
418 respipe_osf [1] = TO_SOCKET (respipe [1]);
419}
420
421X_THREAD_PROC (bdb_proc);
340 422
341static void start_thread (void) 423static void start_thread (void)
342{ 424{
343 sigset_t fullsigset, oldsigset;
344 pthread_attr_t attr;
345
346 worker *wrk = calloc (1, sizeof (worker)); 425 worker *wrk = calloc (1, sizeof (worker));
347 426
348 if (!wrk) 427 if (!wrk)
349 croak ("unable to allocate worker thread data"); 428 croak ("unable to allocate worker thread data");
350 429
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); 430 X_LOCK (wrklock);
360 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 431 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363 { 432 {
364 wrk->prev = &wrk_first; 433 wrk->prev = &wrk_first;
365 wrk->next = wrk_first.next; 434 wrk->next = wrk_first.next;
366 wrk_first.next->prev = wrk; 435 wrk_first.next->prev = wrk;
367 wrk_first.next = wrk; 436 wrk_first.next = wrk;
368 ++started; 437 ++started;
369 } 438 }
370 else 439 else
371 free (wrk); 440 free (wrk);
372 441
373 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374 UNLOCK (wrklock); 442 X_UNLOCK (wrklock);
375} 443}
376 444
377static void maybe_start_thread () 445static void maybe_start_thread ()
378{ 446{
379 if (get_nthreads () >= wanted) 447 if (get_nthreads () >= wanted)
… …
391 SV *wait_callback = 0; 459 SV *wait_callback = 0;
392 460
393 // synthesize callback if none given 461 // synthesize callback if none given
394 if (!SvOK (req->callback)) 462 if (!SvOK (req->callback))
395 { 463 {
464 int count;
465
396 dSP; 466 dSP;
397 PUSHMARK (SP); 467 PUSHMARK (SP);
398 PUTBACK; 468 PUTBACK;
399 int count = call_sv (prepare_cb, G_ARRAY); 469 count = call_sv (prepare_cb, G_ARRAY);
400 SPAGAIN; 470 SPAGAIN;
401 471
402 if (count != 2) 472 if (count != 2)
403 croak ("prepare callback must return exactly two values\n"); 473 croak ("prepare callback must return exactly two values\n");
404 474
… …
407 req->callback = SvREFCNT_inc (POPs); 477 req->callback = SvREFCNT_inc (POPs);
408 } 478 }
409 479
410 ++nreqs; 480 ++nreqs;
411 481
412 LOCK (reqlock); 482 X_LOCK (reqlock);
413 ++nready; 483 ++nready;
414 reqq_push (&req_queue, req); 484 reqq_push (&req_queue, req);
415 pthread_cond_signal (&reqwait); 485 X_COND_SIGNAL (reqwait);
416 UNLOCK (reqlock); 486 X_UNLOCK (reqlock);
417 487
418 maybe_start_thread (); 488 maybe_start_thread ();
419 489
420 if (wait_callback) 490 if (wait_callback)
421 { 491 {
… …
434 Newz (0, req, 1, aio_cb); 504 Newz (0, req, 1, aio_cb);
435 505
436 req->type = REQ_QUIT; 506 req->type = REQ_QUIT;
437 req->pri = PRI_MAX + PRI_BIAS; 507 req->pri = PRI_MAX + PRI_BIAS;
438 508
439 LOCK (reqlock); 509 X_LOCK (reqlock);
440 reqq_push (&req_queue, req); 510 reqq_push (&req_queue, req);
441 pthread_cond_signal (&reqwait); 511 X_COND_SIGNAL (reqwait);
442 UNLOCK (reqlock); 512 X_UNLOCK (reqlock);
443 513
444 LOCK (wrklock); 514 X_LOCK (wrklock);
445 --started; 515 --started;
446 UNLOCK (wrklock); 516 X_UNLOCK (wrklock);
447} 517}
448 518
449static void set_max_idle (int nthreads) 519static void set_max_idle (int nthreads)
450{ 520{
451 if (WORDACCESS_UNSAFE) LOCK (reqlock); 521 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452 max_idle = nthreads <= 0 ? 1 : nthreads; 522 max_idle = nthreads <= 0 ? 1 : nthreads;
453 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 523 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454} 524}
455 525
456static void min_parallel (int nthreads) 526static void min_parallel (int nthreads)
457{ 527{
458 if (wanted < nthreads) 528 if (wanted < nthreads)
… …
473 fd_set rfd; 543 fd_set rfd;
474 544
475 while (nreqs) 545 while (nreqs)
476 { 546 {
477 int size; 547 int size;
478 if (WORDACCESS_UNSAFE) LOCK (reslock); 548 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479 size = res_queue.size; 549 size = res_queue.size;
480 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 550 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481 551
482 if (size) 552 if (size)
483 return; 553 return;
484 554
485 maybe_start_thread (); 555 maybe_start_thread ();
486 556
487 FD_ZERO(&rfd); 557 FD_ZERO (&rfd);
488 FD_SET(respipe [0], &rfd); 558 FD_SET (respipe [0], &rfd);
489 559
490 select (respipe [0] + 1, &rfd, 0, 0, 0); 560 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491 } 561 }
492} 562}
493 563
494static int poll_cb () 564static int poll_cb ()
495{ 565{
… …
507 { 577 {
508 for (;;) 578 for (;;)
509 { 579 {
510 maybe_start_thread (); 580 maybe_start_thread ();
511 581
512 LOCK (reslock); 582 X_LOCK (reslock);
513 req = reqq_shift (&res_queue); 583 req = reqq_shift (&res_queue);
514 584
515 if (req) 585 if (req)
516 { 586 {
517 --npending; 587 --npending;
518 588
519 if (!res_queue.size) 589 if (!res_queue.size)
520 { 590 {
521 /* read any signals sent by the worker threads */ 591 /* read any signals sent by the worker threads */
522 char buf [4]; 592 char buf [4];
523 while (read (respipe [0], buf, 4) == 4) 593 while (respipe_read (respipe [0], buf, 4) == 4)
524 ; 594 ;
525 } 595 }
526 } 596 }
527 597
528 UNLOCK (reslock); 598 X_UNLOCK (reslock);
529 599
530 if (!req) 600 if (!req)
531 break; 601 break;
532 602
533 --nreqs; 603 --nreqs;
… …
563 } 633 }
564 634
565 return count; 635 return count;
566} 636}
567 637
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/*****************************************************************************/ 638/*****************************************************************************/
581 639
582static void *aio_proc (void *thr_arg) 640X_THREAD_PROC (bdb_proc)
583{ 641{
584 aio_req req; 642 aio_req req;
585 struct timespec ts; 643 struct timespec ts;
586 worker *self = (worker *)thr_arg; 644 worker *self = (worker *)thr_arg;
587 645
588 /* try to distribute timeouts somewhat evenly */ 646 /* try to distribute timeouts somewhat evenly */
589 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 647 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590 * (1000000000UL / 1024UL);
591 648
592 for (;;) 649 for (;;)
593 { 650 {
594 ts.tv_sec = time (0) + IDLE_TIMEOUT; 651 ts.tv_sec = time (0) + IDLE_TIMEOUT;
595 652
596 LOCK (reqlock); 653 X_LOCK (reqlock);
597 654
598 for (;;) 655 for (;;)
599 { 656 {
600 self->req = req = reqq_shift (&req_queue); 657 self->req = req = reqq_shift (&req_queue);
601 658
602 if (req) 659 if (req)
603 break; 660 break;
604 661
605 ++idle; 662 ++idle;
606 663
607 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 664 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608 == ETIMEDOUT) 665 == ETIMEDOUT)
609 { 666 {
610 if (idle > max_idle) 667 if (idle > max_idle)
611 { 668 {
612 --idle; 669 --idle;
613 UNLOCK (reqlock); 670 X_UNLOCK (reqlock);
614 LOCK (wrklock); 671 X_LOCK (wrklock);
615 --started; 672 --started;
616 UNLOCK (wrklock); 673 X_UNLOCK (wrklock);
617 goto quit; 674 goto quit;
618 } 675 }
619 676
620 /* we are allowed to idle, so do so without any timeout */ 677 /* we are allowed to idle, so do so without any timeout */
621 pthread_cond_wait (&reqwait, &reqlock); 678 X_COND_WAIT (reqwait, reqlock);
622 ts.tv_sec = time (0) + IDLE_TIMEOUT; 679 ts.tv_sec = time (0) + IDLE_TIMEOUT;
623 } 680 }
624 681
625 --idle; 682 --idle;
626 } 683 }
627 684
628 --nready; 685 --nready;
629 686
630 UNLOCK (reqlock); 687 X_UNLOCK (reqlock);
631 688
632 switch (req->type) 689 switch (req->type)
633 { 690 {
634 case REQ_QUIT: 691 case REQ_QUIT:
692 req->result = ENOSYS;
635 goto quit; 693 goto quit;
636 694
637 case REQ_ENV_OPEN: 695 case REQ_ENV_OPEN:
638 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 696 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639 break; 697 break;
640 698
641 case REQ_ENV_CLOSE: 699 case REQ_ENV_CLOSE:
642 req->result = req->env->close (req->env, req->uint1); 700 req->result = req->env->close (req->env, req->uint1);
643 break; 701 break;
644 702
703 case REQ_ENV_TXN_CHECKPOINT:
704 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
705 break;
706
707 case REQ_ENV_LOCK_DETECT:
708 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
709 break;
710
711 case REQ_ENV_MEMP_SYNC:
712 req->result = req->env->memp_sync (req->env, 0);
713 break;
714
715 case REQ_ENV_MEMP_TRICKLE:
716 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
717 break;
718
645 case REQ_DB_OPEN: 719 case REQ_DB_OPEN:
646 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); 720 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647 break; 721 break;
648 722
649 case REQ_DB_CLOSE: 723 case REQ_DB_CLOSE:
… …
672 746
673 case REQ_DB_DEL: 747 case REQ_DB_DEL:
674 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); 748 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675 break; 749 break;
676 750
751 case REQ_DB_KEY_RANGE:
752 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
753 break;
754
677 case REQ_TXN_COMMIT: 755 case REQ_TXN_COMMIT:
678 req->result = req->txn->commit (req->txn, req->uint1); 756 req->result = req->txn->commit (req->txn, req->uint1);
679 break; 757 break;
680 758
681 case REQ_TXN_ABORT: 759 case REQ_TXN_ABORT:
682 req->result = req->txn->abort (req->txn); 760 req->result = req->txn->abort (req->txn);
761 break;
762
763 case REQ_TXN_FINISH:
764 if (req->txn->flags & TXN_DEADLOCK)
765 {
766 req->result = req->txn->abort (req->txn);
767 if (!req->result)
768 req->result = DB_LOCK_DEADLOCK;
769 }
770 else
771 req->result = req->txn->commit (req->txn, req->uint1);
683 break; 772 break;
684 773
685 case REQ_C_CLOSE: 774 case REQ_C_CLOSE:
686 req->result = req->dbc->c_close (req->dbc); 775 req->result = req->dbc->c_close (req->dbc);
687 break; 776 break;
… …
708 797
709 case REQ_C_DEL: 798 case REQ_C_DEL:
710 req->result = req->dbc->c_del (req->dbc, req->uint1); 799 req->result = req->dbc->c_del (req->dbc, req->uint1);
711 break; 800 break;
712 801
802 case REQ_SEQ_OPEN:
803 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
804 break;
805
806 case REQ_SEQ_CLOSE:
807 req->result = req->seq->close (req->seq, req->uint1);
808 break;
809
810 case REQ_SEQ_GET:
811 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
812 break;
813
814 case REQ_SEQ_REMOVE:
815 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
816 break;
817
713 default: 818 default:
714 req->result = ENOSYS; 819 req->result = ENOSYS;
715 break; 820 break;
716 } 821 }
717 822
823 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
824 req->txn->flags |= TXN_DEADLOCK;
825
718 LOCK (reslock); 826 X_LOCK (reslock);
719 827
720 ++npending; 828 ++npending;
721 829
722 if (!reqq_push (&res_queue, req)) 830 if (!reqq_push (&res_queue, req))
723 /* write a dummy byte to the pipe so fh becomes ready */ 831 /* write a dummy byte to the pipe so fh becomes ready */
724 write (respipe [1], &respipe, 1); 832 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725 833
726 self->req = 0; 834 self->req = 0;
727 worker_clear (self); 835 worker_clear (self);
728 836
729 UNLOCK (reslock); 837 X_UNLOCK (reslock);
730 } 838 }
731 839
732quit: 840quit:
733 LOCK (wrklock); 841 X_LOCK (wrklock);
734 worker_free (self); 842 worker_free (self);
735 UNLOCK (wrklock); 843 X_UNLOCK (wrklock);
736 844
737 return 0; 845 return 0;
738} 846}
739 847
740/*****************************************************************************/ 848/*****************************************************************************/
741 849
742static void atfork_prepare (void) 850static void atfork_prepare (void)
743{ 851{
744 LOCK (wrklock); 852 X_LOCK (wrklock);
745 LOCK (reqlock); 853 X_LOCK (reqlock);
746 LOCK (reslock); 854 X_LOCK (reslock);
747} 855}
748 856
749static void atfork_parent (void) 857static void atfork_parent (void)
750{ 858{
751 UNLOCK (reslock); 859 X_UNLOCK (reslock);
752 UNLOCK (reqlock); 860 X_UNLOCK (reqlock);
753 UNLOCK (wrklock); 861 X_UNLOCK (wrklock);
754} 862}
755 863
756static void atfork_child (void) 864static void atfork_child (void)
757{ 865{
758 aio_req prv; 866 aio_req prv;
… …
778 idle = 0; 886 idle = 0;
779 nreqs = 0; 887 nreqs = 0;
780 nready = 0; 888 nready = 0;
781 npending = 0; 889 npending = 0;
782 890
783 close (respipe [0]);
784 close (respipe [1]);
785 create_pipe (); 891 create_respipe ();
786 892
787 atfork_parent (); 893 atfork_parent ();
788} 894}
789 895
790#define dREQ(reqtype) \ 896#define dREQ(reqtype) \
… …
808 914
809#define SvPTR(var, arg, type, class, nullok) \ 915#define SvPTR(var, arg, type, class, nullok) \
810 if (!SvOK (arg)) \ 916 if (!SvOK (arg)) \
811 { \ 917 { \
812 if (!nullok) \ 918 if (!nullok) \
813 Perl_croak (# var " must be a " # class " object, not undef"); \ 919 croak (# var " must be a " # class " object, not undef"); \
814 \ 920 \
815 (var) = 0; \ 921 (var) = 0; \
816 } \ 922 } \
817 else if (sv_derived_from ((arg), # class)) \ 923 else if (sv_derived_from ((arg), # class)) \
818 { \ 924 { \
819 IV tmp = SvIV ((SV*) SvRV (arg)); \ 925 IV tmp = SvIV ((SV*) SvRV (arg)); \
820 (var) = INT2PTR (type, tmp); \ 926 (var) = INT2PTR (type, tmp); \
821 if (!var) \ 927 if (!var) \
822 Perl_croak (# var " is not a valid " # class " object anymore"); \ 928 croak (# var " is not a valid " # class " object anymore"); \
823 } \ 929 } \
824 else \ 930 else \
825 Perl_croak (# var " is not of type " # class); \ 931 croak (# var " is not of type " # class); \
826 \ 932 \
827 933
828static void 934static void
829ptr_nuke (SV *sv) 935ptr_nuke (SV *sv)
830{ 936{
… …
854 const_iv (INIT_TXN) 960 const_iv (INIT_TXN)
855 const_iv (RECOVER) 961 const_iv (RECOVER)
856 const_iv (INIT_TXN) 962 const_iv (INIT_TXN)
857 const_iv (RECOVER_FATAL) 963 const_iv (RECOVER_FATAL)
858 const_iv (CREATE) 964 const_iv (CREATE)
965 const_iv (RDONLY)
859 const_iv (USE_ENVIRON) 966 const_iv (USE_ENVIRON)
860 const_iv (USE_ENVIRON_ROOT) 967 const_iv (USE_ENVIRON_ROOT)
861 const_iv (LOCKDOWN) 968 const_iv (LOCKDOWN)
862 const_iv (PRIVATE) 969 const_iv (PRIVATE)
863 const_iv (REGISTER) 970 const_iv (REGISTER)
… …
869 const_iv (DSYNC_DB) 976 const_iv (DSYNC_DB)
870 const_iv (DSYNC_LOG) 977 const_iv (DSYNC_LOG)
871 const_iv (LOG_AUTOREMOVE) 978 const_iv (LOG_AUTOREMOVE)
872 const_iv (LOG_INMEMORY) 979 const_iv (LOG_INMEMORY)
873 const_iv (NOLOCKING) 980 const_iv (NOLOCKING)
874 const_iv (MULTIVERSION)
875 const_iv (NOMMAP) 981 const_iv (NOMMAP)
876 const_iv (NOPANIC) 982 const_iv (NOPANIC)
877 const_iv (OVERWRITE) 983 const_iv (OVERWRITE)
878 const_iv (PANIC_ENVIRONMENT) 984 const_iv (PANIC_ENVIRONMENT)
879 const_iv (REGION_INIT) 985 const_iv (REGION_INIT)
880 const_iv (TIME_NOTGRANTED) 986 const_iv (TIME_NOTGRANTED)
881 const_iv (TXN_NOSYNC) 987 const_iv (TXN_NOSYNC)
882 const_iv (TXN_SNAPSHOT) 988 const_iv (TXN_NOT_DURABLE)
883 const_iv (TXN_WRITE_NOSYNC) 989 const_iv (TXN_WRITE_NOSYNC)
884 const_iv (WRITECURSOR) 990 const_iv (WRITECURSOR)
885 const_iv (YIELDCPU) 991 const_iv (YIELDCPU)
886 const_iv (ENCRYPT_AES) 992 const_iv (ENCRYPT_AES)
887 const_iv (XA_CREATE) 993 const_iv (XA_CREATE)
… …
895 const_iv (READ_UNCOMMITTED) 1001 const_iv (READ_UNCOMMITTED)
896 const_iv (TRUNCATE) 1002 const_iv (TRUNCATE)
897 const_iv (NOSYNC) 1003 const_iv (NOSYNC)
898 const_iv (CHKSUM) 1004 const_iv (CHKSUM)
899 const_iv (ENCRYPT) 1005 const_iv (ENCRYPT)
900 const_iv (TXN_NOT_DURABLE)
901 const_iv (DUP) 1006 const_iv (DUP)
902 const_iv (DUPSORT) 1007 const_iv (DUPSORT)
903 const_iv (RECNUM) 1008 const_iv (RECNUM)
904 const_iv (RENUMBER) 1009 const_iv (RENUMBER)
905 const_iv (REVSPLITOFF) 1010 const_iv (REVSPLITOFF)
… …
930 const_iv (APPEND) 1035 const_iv (APPEND)
931 const_iv (NODUPDATA) 1036 const_iv (NODUPDATA)
932 const_iv (NOOVERWRITE) 1037 const_iv (NOOVERWRITE)
933 1038
934 const_iv (TXN_NOWAIT) 1039 const_iv (TXN_NOWAIT)
935 const_iv (TXN_SNAPSHOT)
936 const_iv (TXN_SYNC) 1040 const_iv (TXN_SYNC)
937 1041
938 const_iv (SET_LOCK_TIMEOUT) 1042 const_iv (SET_LOCK_TIMEOUT)
939 const_iv (SET_TXN_TIMEOUT) 1043 const_iv (SET_TXN_TIMEOUT)
940 1044
… …
952 const_iv (AFTER) 1056 const_iv (AFTER)
953 const_iv (CURRENT) 1057 const_iv (CURRENT)
954 const_iv (KEYFIRST) 1058 const_iv (KEYFIRST)
955 const_iv (KEYLAST) 1059 const_iv (KEYLAST)
956 const_iv (NODUPDATA) 1060 const_iv (NODUPDATA)
1061
1062 const_iv (FORCE)
1063
1064 const_iv (LOCK_DEFAULT)
1065 const_iv (LOCK_EXPIRE)
1066 const_iv (LOCK_MAXLOCKS)
1067 const_iv (LOCK_MAXWRITE)
1068 const_iv (LOCK_MINLOCKS)
1069 const_iv (LOCK_MINWRITE)
1070 const_iv (LOCK_OLDEST)
1071 const_iv (LOCK_RANDOM)
1072 const_iv (LOCK_YOUNGEST)
1073
1074 const_iv (SEQ_DEC)
1075 const_iv (SEQ_INC)
1076 const_iv (SEQ_WRAP)
1077
1078 const_iv (BUFFER_SMALL)
1079 const_iv (DONOTINDEX)
1080 const_iv (KEYEMPTY )
1081 const_iv (KEYEXIST )
1082 const_iv (LOCK_DEADLOCK)
1083 const_iv (LOCK_NOTGRANTED)
1084 const_iv (LOG_BUFFER_FULL)
1085 const_iv (NOSERVER)
1086 const_iv (NOSERVER_HOME)
1087 const_iv (NOSERVER_ID)
1088 const_iv (NOTFOUND)
1089 const_iv (OLD_VERSION)
1090 const_iv (PAGE_NOTFOUND)
1091 const_iv (REP_DUPMASTER)
1092 const_iv (REP_HANDLE_DEAD)
1093 const_iv (REP_HOLDELECTION)
1094 const_iv (REP_IGNORE)
1095 const_iv (REP_ISPERM)
1096 const_iv (REP_JOIN_FAILURE)
1097 const_iv (REP_LOCKOUT)
1098 const_iv (REP_NEWMASTER)
1099 const_iv (REP_NEWSITE)
1100 const_iv (REP_NOTPERM)
1101 const_iv (REP_UNAVAIL)
1102 const_iv (RUNRECOVERY)
1103 const_iv (SECONDARY_BAD)
1104 const_iv (VERIFY_BAD)
1105 const_iv (VERSION_MISMATCH)
1106
1107 const_iv (VERB_DEADLOCK)
1108 const_iv (VERB_RECOVERY)
1109 const_iv (VERB_REGISTER)
1110 const_iv (VERB_REPLICATION)
1111 const_iv (VERB_WAITSFOR)
1112
1113 const_iv (VERSION_MAJOR)
1114 const_iv (VERSION_MINOR)
1115 const_iv (VERSION_PATCH)
1116#if DB_VERSION_MINOR >= 5
1117 const_iv (MULTIVERSION)
1118 const_iv (TXN_SNAPSHOT)
1119#endif
1120#if DB_VERSION_MINOR >= 6
1121 const_iv (PREV_DUP)
1122# if 0
1123 const_iv (PRIORITY_UNCHANGED)
1124 const_iv (PRIORITY_VERY_LOW)
1125 const_iv (PRIORITY_LOW)
1126 const_iv (PRIORITY_DEFAULT)
1127 const_iv (PRIORITY_HIGH)
1128 const_iv (PRIORITY_VERY_HIGH)
1129# endif
1130#endif
957 }; 1131 };
958 1132
959 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1133 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1134 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961 1135
962 create_pipe (); 1136 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1137 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1138
1139 create_respipe ();
1140
963 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1141 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1142#ifdef _WIN32
1143 X_MUTEX_CHECK (wrklock);
1144 X_MUTEX_CHECK (reslock);
1145 X_MUTEX_CHECK (reqlock);
1146
1147 X_COND_CHECK (reqwait);
1148#endif
964} 1149}
965 1150
966void 1151void
967max_poll_reqs (int nreqs) 1152max_poll_reqs (int nreqs)
968 PROTOTYPE: $ 1153 PROTOTYPE: $
… …
1087 1272
1088int 1273int
1089nthreads () 1274nthreads ()
1090 PROTOTYPE: 1275 PROTOTYPE:
1091 CODE: 1276 CODE:
1092 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1277 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093 RETVAL = started; 1278 RETVAL = started;
1094 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1279 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095 OUTPUT: 1280 OUTPUT:
1096 RETVAL 1281 RETVAL
1097 1282
1098void 1283void
1099set_sync_prepare (SV *cb) 1284set_sync_prepare (SV *cb)
1100 PROTOTYPE: & 1285 PROTOTYPE: &
1101 CODE: 1286 CODE:
1102 SvREFCNT_dec (prepare_cb); 1287 SvREFCNT_dec (prepare_cb);
1103 prepare_cb = newSVsv (cb); 1288 prepare_cb = newSVsv (cb);
1289
1290char *
1291strerror (int errorno = errno)
1292 PROTOTYPE: ;$
1293 CODE:
1294 RETVAL = db_strerror (errorno);
1295 OUTPUT:
1296 RETVAL
1104 1297
1105DB_ENV * 1298DB_ENV *
1106db_env_create (U32 env_flags = 0) 1299db_env_create (U32 env_flags = 0)
1107 CODE: 1300 CODE:
1108{ 1301{
1109 errno = db_env_create (&RETVAL, env_flags); 1302 errno = db_env_create (&RETVAL, env_flags);
1110 if (errno) 1303 if (errno)
1111 croak ("db_env_create: %s", db_strerror (errno)); 1304 croak ("db_env_create: %s", db_strerror (errno));
1305
1306 if (0)
1307 {
1308 RETVAL->set_errcall (RETVAL, debug_errcall);
1309 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1310 }
1112} 1311}
1113 OUTPUT: 1312 OUTPUT:
1114 RETVAL 1313 RETVAL
1115 1314
1116void 1315void
1117db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1316db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118 CODE: 1317 CODE:
1119{ 1318{
1120 dREQ (REQ_ENV_OPEN); 1319 dREQ (REQ_ENV_OPEN);
1320
1321 env->set_thread_count (env, wanted + 2);
1322
1121 req->env = env; 1323 req->env = env;
1122 req->uint1 = open_flags | DB_THREAD; 1324 req->uint1 = open_flags | DB_THREAD;
1123 req->int1 = mode; 1325 req->int1 = mode;
1124 req->buf1 = strdup_ornull (db_home); 1326 req->buf1 = strdup_ornull (db_home);
1125 REQ_SEND; 1327 REQ_SEND;
… …
1133 req->env = env; 1335 req->env = env;
1134 req->uint1 = flags; 1336 req->uint1 = flags;
1135 REQ_SEND; 1337 REQ_SEND;
1136 ptr_nuke (ST (0)); 1338 ptr_nuke (ST (0));
1137} 1339}
1340
1341void
1342db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1343 CODE:
1344{
1345 dREQ (REQ_ENV_TXN_CHECKPOINT);
1346 req->env = env;
1347 req->uint1 = kbyte;
1348 req->int1 = min;
1349 req->uint2 = flags;
1350 REQ_SEND;
1351}
1352
1353void
1354db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1355 CODE:
1356{
1357 dREQ (REQ_ENV_LOCK_DETECT);
1358 req->env = env;
1359 req->uint1 = flags;
1360 req->uint2 = atype;
1361 REQ_SEND;
1362}
1363
1364void
1365db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1366 CODE:
1367{
1368 dREQ (REQ_ENV_MEMP_SYNC);
1369 req->env = env;
1370 REQ_SEND;
1371}
1372
1373void
1374db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1375 CODE:
1376{
1377 dREQ (REQ_ENV_MEMP_TRICKLE);
1378 req->env = env;
1379 req->int1 = percent;
1380 REQ_SEND;
1381}
1382
1138 1383
1139DB * 1384DB *
1140db_create (DB_ENV *env = 0, U32 flags = 0) 1385db_create (DB_ENV *env = 0, U32 flags = 0)
1141 CODE: 1386 CODE:
1142{ 1387{
… …
1199 req->uint1 = flags; 1444 req->uint1 = flags;
1200 REQ_SEND; 1445 REQ_SEND;
1201} 1446}
1202 1447
1203void 1448void
1449db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1450 CODE:
1451{
1452 dREQ (REQ_DB_KEY_RANGE);
1453 req->db = db;
1454 req->txn = txn;
1455 sv_to_dbt (&req->dbt1, key);
1456 req->uint1 = flags;
1457 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1458 REQ_SEND;
1459}
1460
1461void
1204db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1462db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205 CODE: 1463 CODE:
1206{ 1464{
1207 dREQ (REQ_DB_PUT); 1465 dREQ (REQ_DB_PUT);
1208 req->db = db; 1466 req->db = db;
… …
1274 REQ_SEND; 1532 REQ_SEND;
1275 ptr_nuke (ST (0)); 1533 ptr_nuke (ST (0));
1276} 1534}
1277 1535
1278void 1536void
1537db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1538 CODE:
1539{
1540 dREQ (REQ_TXN_FINISH);
1541 req->txn = txn;
1542 req->uint1 = flags;
1543 REQ_SEND;
1544 ptr_nuke (ST (0));
1545}
1546
1547void
1279db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1548db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280 CODE: 1549 CODE:
1281{ 1550{
1282 dREQ (REQ_C_CLOSE); 1551 dREQ (REQ_C_CLOSE);
1283 req->dbc = dbc; 1552 req->dbc = dbc;
… …
1369 req->uint1 = flags; 1638 req->uint1 = flags;
1370 REQ_SEND; 1639 REQ_SEND;
1371} 1640}
1372 1641
1373 1642
1643void
1644db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1645 CODE:
1646{
1647 dREQ (REQ_SEQ_OPEN);
1648 req->seq = seq;
1649 req->txn = txnid;
1650 req->uint1 = flags | DB_THREAD;
1651 sv_to_dbt (&req->dbt1, key);
1652 REQ_SEND;
1653}
1654
1655void
1656db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1657 CODE:
1658{
1659 dREQ (REQ_SEQ_CLOSE);
1660 req->seq = seq;
1661 req->uint1 = flags;
1662 REQ_SEND;
1663 ptr_nuke (ST (0));
1664}
1665
1666void
1667db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1668 CODE:
1669{
1670 dREQ (REQ_SEQ_GET);
1671 req->seq = seq;
1672 req->txn = txnid;
1673 req->int1 = delta;
1674 req->uint1 = flags;
1675 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1676 REQ_SEND;
1677}
1678
1679void
1680db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1681 CODE:
1682{
1683 dREQ (REQ_SEQ_REMOVE);
1684 req->seq = seq;
1685 req->txn = txnid;
1686 req->uint1 = flags;
1687 REQ_SEND;
1688}
1689
1690
1374MODULE = BDB PACKAGE = BDB::Env 1691MODULE = BDB PACKAGE = BDB::Env
1375 1692
1376void 1693void
1377DESTROY (DB_ENV_ornull *env) 1694DESTROY (DB_ENV_ornull *env)
1378 CODE: 1695 CODE:
1379 if (env) 1696 if (env)
1380 env->close (env, 0); 1697 env->close (env, 0);
1381 1698
1699int set_data_dir (DB_ENV *env, const char *dir)
1700 CODE:
1701 RETVAL = env->set_data_dir (env, dir);
1702 OUTPUT:
1703 RETVAL
1704
1705int set_tmp_dir (DB_ENV *env, const char *dir)
1706 CODE:
1707 RETVAL = env->set_tmp_dir (env, dir);
1708 OUTPUT:
1709 RETVAL
1710
1711int set_lg_dir (DB_ENV *env, const char *dir)
1712 CODE:
1713 RETVAL = env->set_lg_dir (env, dir);
1714 OUTPUT:
1715 RETVAL
1716
1717int set_shm_key (DB_ENV *env, long shm_key)
1718 CODE:
1719 RETVAL = env->set_shm_key (env, shm_key);
1720 OUTPUT:
1721 RETVAL
1722
1382int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) 1723int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383 CODE: 1724 CODE:
1384 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1725 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385 OUTPUT: 1726 OUTPUT:
1386 RETVAL 1727 RETVAL
… …
1389 CODE: 1730 CODE:
1390 RETVAL = env->set_flags (env, flags, onoff); 1731 RETVAL = env->set_flags (env, flags, onoff);
1391 OUTPUT: 1732 OUTPUT:
1392 RETVAL 1733 RETVAL
1393 1734
1735void set_errfile (DB_ENV *env, FILE *errfile = 0)
1736 CODE:
1737 env->set_errfile (env, errfile);
1738
1739void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1740 CODE:
1741 env->set_msgfile (env, msgfile);
1742
1743int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1744 CODE:
1745 RETVAL = env->set_verbose (env, which, onoff);
1746 OUTPUT:
1747 RETVAL
1748
1394int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1749int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395 CODE: 1750 CODE:
1396 RETVAL = env->set_encrypt (env, password, flags); 1751 RETVAL = env->set_encrypt (env, password, flags);
1397 OUTPUT: 1752 OUTPUT:
1398 RETVAL 1753 RETVAL
1399 1754
1400int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1755int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401 CODE: 1756 CODE:
1402 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1757 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1758 OUTPUT:
1759 RETVAL
1760
1761int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1762 CODE:
1763 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1764 OUTPUT:
1765 RETVAL
1766
1767int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1768 CODE:
1769 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1770 OUTPUT:
1771 RETVAL
1772
1773int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1774 CODE:
1775 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1776 OUTPUT:
1777 RETVAL
1778
1779int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1780 CODE:
1781 RETVAL = env->set_lk_detect (env, detect);
1782 OUTPUT:
1783 RETVAL
1784
1785int set_lk_max_lockers (DB_ENV *env, U32 max)
1786 CODE:
1787 RETVAL = env->set_lk_max_lockers (env, max);
1788 OUTPUT:
1789 RETVAL
1790
1791int set_lk_max_locks (DB_ENV *env, U32 max)
1792 CODE:
1793 RETVAL = env->set_lk_max_locks (env, max);
1794 OUTPUT:
1795 RETVAL
1796
1797int set_lk_max_objects (DB_ENV *env, U32 max)
1798 CODE:
1799 RETVAL = env->set_lk_max_objects (env, max);
1800 OUTPUT:
1801 RETVAL
1802
1803int set_lg_bsize (DB_ENV *env, U32 max)
1804 CODE:
1805 RETVAL = env->set_lg_bsize (env, max);
1806 OUTPUT:
1807 RETVAL
1808
1809int set_lg_max (DB_ENV *env, U32 max)
1810 CODE:
1811 RETVAL = env->set_lg_max (env, max);
1403 OUTPUT: 1812 OUTPUT:
1404 RETVAL 1813 RETVAL
1405 1814
1406DB_TXN * 1815DB_TXN *
1407txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1816txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
… …
1428 CODE: 1837 CODE:
1429 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1838 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430 OUTPUT: 1839 OUTPUT:
1431 RETVAL 1840 RETVAL
1432 1841
1433int set_flags (DB *db, U32 flags); 1842int set_flags (DB *db, U32 flags)
1434 CODE: 1843 CODE:
1435 RETVAL = db->set_flags (db, flags); 1844 RETVAL = db->set_flags (db, flags);
1436 OUTPUT: 1845 OUTPUT:
1437 RETVAL 1846 RETVAL
1438 1847
… …
1446 CODE: 1855 CODE:
1447 RETVAL = db->set_lorder (db, lorder); 1856 RETVAL = db->set_lorder (db, lorder);
1448 OUTPUT: 1857 OUTPUT:
1449 RETVAL 1858 RETVAL
1450 1859
1451
1452int set_bt_minkey (DB *db, U32 minkey) 1860int set_bt_minkey (DB *db, U32 minkey)
1453 CODE: 1861 CODE:
1454 RETVAL = db->set_bt_minkey (db, minkey); 1862 RETVAL = db->set_bt_minkey (db, minkey);
1455 OUTPUT: 1863 OUTPUT:
1456 RETVAL 1864 RETVAL
1457 1865
1458int set_re_delim(DB *db, int delim); 1866int set_re_delim (DB *db, int delim)
1459 CODE: 1867 CODE:
1460 RETVAL = db->set_re_delim (db, delim); 1868 RETVAL = db->set_re_delim (db, delim);
1461 OUTPUT: 1869 OUTPUT:
1462 RETVAL 1870 RETVAL
1463 1871
… …
1504 if (errno) 1912 if (errno)
1505 croak ("DB->cursor: %s", db_strerror (errno)); 1913 croak ("DB->cursor: %s", db_strerror (errno));
1506 OUTPUT: 1914 OUTPUT:
1507 RETVAL 1915 RETVAL
1508 1916
1917DB_SEQUENCE *
1918sequence (DB *db, U32 flags = 0)
1919 CODE:
1920{
1921 errno = db_sequence_create (&RETVAL, db, flags);
1922 if (errno)
1923 croak ("db_sequence_create: %s", db_strerror (errno));
1924}
1925 OUTPUT:
1926 RETVAL
1927
1509 1928
1510MODULE = BDB PACKAGE = BDB::Txn 1929MODULE = BDB PACKAGE = BDB::Txn
1511 1930
1512void 1931void
1513DESTROY (DB_TXN_ornull *txn) 1932DESTROY (DB_TXN_ornull *txn)
1514 CODE: 1933 CODE:
1515 if (txn) 1934 if (txn)
1516 txn->abort (txn); 1935 txn->abort (txn);
1517 1936
1518int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 1937int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519 CODE: 1938 CODE:
1520 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 1939 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1940 OUTPUT:
1941 RETVAL
1942
1943int failed (DB_TXN *txn)
1944 CODE:
1945 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1521 OUTPUT: 1946 OUTPUT:
1522 RETVAL 1947 RETVAL
1523 1948
1524 1949
1525MODULE = BDB PACKAGE = BDB::Cursor 1950MODULE = BDB PACKAGE = BDB::Cursor
… …
1528DESTROY (DBC_ornull *dbc) 1953DESTROY (DBC_ornull *dbc)
1529 CODE: 1954 CODE:
1530 if (dbc) 1955 if (dbc)
1531 dbc->c_close (dbc); 1956 dbc->c_close (dbc);
1532 1957
1958MODULE = BDB PACKAGE = BDB::Sequence
1959
1960void
1961DESTROY (DB_SEQUENCE_ornull *seq)
1962 CODE:
1963 if (seq)
1964 seq->close (seq, 0);
1965
1966int initial_value (DB_SEQUENCE *seq, db_seq_t value)
1967 CODE:
1968 RETVAL = seq->initial_value (seq, value);
1969 OUTPUT:
1970 RETVAL
1971
1972int set_cachesize (DB_SEQUENCE *seq, U32 size)
1973 CODE:
1974 RETVAL = seq->set_cachesize (seq, size);
1975 OUTPUT:
1976 RETVAL
1977
1978int set_flags (DB_SEQUENCE *seq, U32 flags)
1979 CODE:
1980 RETVAL = seq->set_flags (seq, flags);
1981 OUTPUT:
1982 RETVAL
1983
1984int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
1985 CODE:
1986 RETVAL = seq->set_range (seq, min, max);
1987 OUTPUT:
1988 RETVAL
1989

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