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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 1.26 by root, Mon Dec 10 21:19:07 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,
106 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
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, 107 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
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_PUT:
332 case REQ_C_PUT:
333 dbt_to_sv (0, &req->dbt1);
334 dbt_to_sv (0, &req->dbt2);
335 break;
336
337 case REQ_DB_KEY_RANGE:
338 {
339 AV *av = newAV ();
340
341 av_push (av, newSVnv (req->key_range.less));
342 av_push (av, newSVnv (req->key_range.equal));
343 av_push (av, newSVnv (req->key_range.greater));
344
345 SvREADONLY_off (req->sv1);
346 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
347 SvREFCNT_dec (req->sv1);
348 }
349 break;
350
351 case REQ_SEQ_GET:
352 SvREADONLY_off (req->sv1);
353
354 if (sizeof (IV) > 4)
355 sv_setiv_mg (req->sv1, (IV)req->seq_t);
356 else
357 sv_setnv_mg (req->sv1, (NV)req->seq_t);
358
359 SvREFCNT_dec (req->sv1);
360 break;
317 } 361 }
318 362
319 errno = req->result; 363 errno = req->result;
320 364
321 PUTBACK; 365 PUTBACK;
… …
334 free (req->buf1); 378 free (req->buf1);
335 free (req->buf2); 379 free (req->buf2);
336 Safefree (req); 380 Safefree (req);
337} 381}
338 382
339static void *aio_proc (void *arg); 383#ifdef USE_SOCKETS_AS_HANDLES
384# define TO_SOCKET(x) (win32_get_osfhandle (x))
385#else
386# define TO_SOCKET(x) (x)
387#endif
388
389static void
390create_respipe ()
391{
392#ifdef _WIN32
393 int arg; /* argg */
394#endif
395 int old_readfd = respipe [0];
396
397 if (respipe [1] >= 0)
398 respipe_close (TO_SOCKET (respipe [1]));
399
400#ifdef _WIN32
401 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
402#else
403 if (pipe (respipe))
404#endif
405 croak ("unable to initialize result pipe");
406
407 if (old_readfd >= 0)
408 {
409 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
410 croak ("unable to initialize result pipe(2)");
411
412 respipe_close (respipe [0]);
413 respipe [0] = old_readfd;
414 }
415
416#ifdef _WIN32
417 arg = 1;
418 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
419 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
420#else
421 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
422 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
423#endif
424 croak ("unable to initialize result pipe(3)");
425
426 respipe_osf [0] = TO_SOCKET (respipe [0]);
427 respipe_osf [1] = TO_SOCKET (respipe [1]);
428}
429
430X_THREAD_PROC (bdb_proc);
340 431
341static void start_thread (void) 432static void start_thread (void)
342{ 433{
343 sigset_t fullsigset, oldsigset;
344 pthread_attr_t attr;
345
346 worker *wrk = calloc (1, sizeof (worker)); 434 worker *wrk = calloc (1, sizeof (worker));
347 435
348 if (!wrk) 436 if (!wrk)
349 croak ("unable to allocate worker thread data"); 437 croak ("unable to allocate worker thread data");
350 438
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); 439 X_LOCK (wrklock);
360 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 440 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363 { 441 {
364 wrk->prev = &wrk_first; 442 wrk->prev = &wrk_first;
365 wrk->next = wrk_first.next; 443 wrk->next = wrk_first.next;
366 wrk_first.next->prev = wrk; 444 wrk_first.next->prev = wrk;
367 wrk_first.next = wrk; 445 wrk_first.next = wrk;
368 ++started; 446 ++started;
369 } 447 }
370 else 448 else
371 free (wrk); 449 free (wrk);
372 450
373 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374 UNLOCK (wrklock); 451 X_UNLOCK (wrklock);
375} 452}
376 453
377static void maybe_start_thread () 454static void maybe_start_thread ()
378{ 455{
379 if (get_nthreads () >= wanted) 456 if (get_nthreads () >= wanted)
… …
391 SV *wait_callback = 0; 468 SV *wait_callback = 0;
392 469
393 // synthesize callback if none given 470 // synthesize callback if none given
394 if (!SvOK (req->callback)) 471 if (!SvOK (req->callback))
395 { 472 {
473 int count;
474
396 dSP; 475 dSP;
397 PUSHMARK (SP); 476 PUSHMARK (SP);
398 PUTBACK; 477 PUTBACK;
399 int count = call_sv (prepare_cb, G_ARRAY); 478 count = call_sv (prepare_cb, G_ARRAY);
400 SPAGAIN; 479 SPAGAIN;
401 480
402 if (count != 2) 481 if (count != 2)
403 croak ("prepare callback must return exactly two values\n"); 482 croak ("prepare callback must return exactly two values\n");
404 483
… …
407 req->callback = SvREFCNT_inc (POPs); 486 req->callback = SvREFCNT_inc (POPs);
408 } 487 }
409 488
410 ++nreqs; 489 ++nreqs;
411 490
412 LOCK (reqlock); 491 X_LOCK (reqlock);
413 ++nready; 492 ++nready;
414 reqq_push (&req_queue, req); 493 reqq_push (&req_queue, req);
415 pthread_cond_signal (&reqwait); 494 X_COND_SIGNAL (reqwait);
416 UNLOCK (reqlock); 495 X_UNLOCK (reqlock);
417 496
418 maybe_start_thread (); 497 maybe_start_thread ();
419 498
420 if (wait_callback) 499 if (wait_callback)
421 { 500 {
… …
434 Newz (0, req, 1, aio_cb); 513 Newz (0, req, 1, aio_cb);
435 514
436 req->type = REQ_QUIT; 515 req->type = REQ_QUIT;
437 req->pri = PRI_MAX + PRI_BIAS; 516 req->pri = PRI_MAX + PRI_BIAS;
438 517
439 LOCK (reqlock); 518 X_LOCK (reqlock);
440 reqq_push (&req_queue, req); 519 reqq_push (&req_queue, req);
441 pthread_cond_signal (&reqwait); 520 X_COND_SIGNAL (reqwait);
442 UNLOCK (reqlock); 521 X_UNLOCK (reqlock);
443 522
444 LOCK (wrklock); 523 X_LOCK (wrklock);
445 --started; 524 --started;
446 UNLOCK (wrklock); 525 X_UNLOCK (wrklock);
447} 526}
448 527
449static void set_max_idle (int nthreads) 528static void set_max_idle (int nthreads)
450{ 529{
451 if (WORDACCESS_UNSAFE) LOCK (reqlock); 530 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452 max_idle = nthreads <= 0 ? 1 : nthreads; 531 max_idle = nthreads <= 0 ? 1 : nthreads;
453 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 532 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454} 533}
455 534
456static void min_parallel (int nthreads) 535static void min_parallel (int nthreads)
457{ 536{
458 if (wanted < nthreads) 537 if (wanted < nthreads)
… …
473 fd_set rfd; 552 fd_set rfd;
474 553
475 while (nreqs) 554 while (nreqs)
476 { 555 {
477 int size; 556 int size;
478 if (WORDACCESS_UNSAFE) LOCK (reslock); 557 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479 size = res_queue.size; 558 size = res_queue.size;
480 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 559 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481 560
482 if (size) 561 if (size)
483 return; 562 return;
484 563
485 maybe_start_thread (); 564 maybe_start_thread ();
486 565
487 FD_ZERO(&rfd); 566 FD_ZERO (&rfd);
488 FD_SET(respipe [0], &rfd); 567 FD_SET (respipe [0], &rfd);
489 568
490 select (respipe [0] + 1, &rfd, 0, 0, 0); 569 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491 } 570 }
492} 571}
493 572
494static int poll_cb () 573static int poll_cb ()
495{ 574{
… …
507 { 586 {
508 for (;;) 587 for (;;)
509 { 588 {
510 maybe_start_thread (); 589 maybe_start_thread ();
511 590
512 LOCK (reslock); 591 X_LOCK (reslock);
513 req = reqq_shift (&res_queue); 592 req = reqq_shift (&res_queue);
514 593
515 if (req) 594 if (req)
516 { 595 {
517 --npending; 596 --npending;
518 597
519 if (!res_queue.size) 598 if (!res_queue.size)
520 { 599 {
521 /* read any signals sent by the worker threads */ 600 /* read any signals sent by the worker threads */
522 char buf [4]; 601 char buf [4];
523 while (read (respipe [0], buf, 4) == 4) 602 while (respipe_read (respipe [0], buf, 4) == 4)
524 ; 603 ;
525 } 604 }
526 } 605 }
527 606
528 UNLOCK (reslock); 607 X_UNLOCK (reslock);
529 608
530 if (!req) 609 if (!req)
531 break; 610 break;
532 611
533 --nreqs; 612 --nreqs;
… …
563 } 642 }
564 643
565 return count; 644 return count;
566} 645}
567 646
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/*****************************************************************************/ 647/*****************************************************************************/
581 648
582static void *aio_proc (void *thr_arg) 649X_THREAD_PROC (bdb_proc)
583{ 650{
584 aio_req req; 651 aio_req req;
585 struct timespec ts; 652 struct timespec ts;
586 worker *self = (worker *)thr_arg; 653 worker *self = (worker *)thr_arg;
587 654
588 /* try to distribute timeouts somewhat evenly */ 655 /* try to distribute timeouts somewhat evenly */
589 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 656 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590 * (1000000000UL / 1024UL);
591 657
592 for (;;) 658 for (;;)
593 { 659 {
594 ts.tv_sec = time (0) + IDLE_TIMEOUT; 660 ts.tv_sec = time (0) + IDLE_TIMEOUT;
595 661
596 LOCK (reqlock); 662 X_LOCK (reqlock);
597 663
598 for (;;) 664 for (;;)
599 { 665 {
600 self->req = req = reqq_shift (&req_queue); 666 self->req = req = reqq_shift (&req_queue);
601 667
602 if (req) 668 if (req)
603 break; 669 break;
604 670
605 ++idle; 671 ++idle;
606 672
607 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 673 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608 == ETIMEDOUT) 674 == ETIMEDOUT)
609 { 675 {
610 if (idle > max_idle) 676 if (idle > max_idle)
611 { 677 {
612 --idle; 678 --idle;
613 UNLOCK (reqlock); 679 X_UNLOCK (reqlock);
614 LOCK (wrklock); 680 X_LOCK (wrklock);
615 --started; 681 --started;
616 UNLOCK (wrklock); 682 X_UNLOCK (wrklock);
617 goto quit; 683 goto quit;
618 } 684 }
619 685
620 /* we are allowed to idle, so do so without any timeout */ 686 /* we are allowed to idle, so do so without any timeout */
621 pthread_cond_wait (&reqwait, &reqlock); 687 X_COND_WAIT (reqwait, reqlock);
622 ts.tv_sec = time (0) + IDLE_TIMEOUT; 688 ts.tv_sec = time (0) + IDLE_TIMEOUT;
623 } 689 }
624 690
625 --idle; 691 --idle;
626 } 692 }
627 693
628 --nready; 694 --nready;
629 695
630 UNLOCK (reqlock); 696 X_UNLOCK (reqlock);
631 697
632 switch (req->type) 698 switch (req->type)
633 { 699 {
634 case REQ_QUIT: 700 case REQ_QUIT:
701 req->result = ENOSYS;
635 goto quit; 702 goto quit;
636 703
637 case REQ_ENV_OPEN: 704 case REQ_ENV_OPEN:
638 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 705 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639 break; 706 break;
640 707
641 case REQ_ENV_CLOSE: 708 case REQ_ENV_CLOSE:
642 req->result = req->env->close (req->env, req->uint1); 709 req->result = req->env->close (req->env, req->uint1);
643 break; 710 break;
644 711
712 case REQ_ENV_TXN_CHECKPOINT:
713 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
714 break;
715
716 case REQ_ENV_LOCK_DETECT:
717 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
718 break;
719
720 case REQ_ENV_MEMP_SYNC:
721 req->result = req->env->memp_sync (req->env, 0);
722 break;
723
724 case REQ_ENV_MEMP_TRICKLE:
725 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
726 break;
727
645 case REQ_DB_OPEN: 728 case REQ_DB_OPEN:
646 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); 729 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647 break; 730 break;
648 731
649 case REQ_DB_CLOSE: 732 case REQ_DB_CLOSE:
… …
656 739
657 case REQ_DB_SYNC: 740 case REQ_DB_SYNC:
658 req->result = req->db->sync (req->db, req->uint1); 741 req->result = req->db->sync (req->db, req->uint1);
659 break; 742 break;
660 743
744 case REQ_DB_UPGRADE:
745 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
746 break;
747
661 case REQ_DB_PUT: 748 case REQ_DB_PUT:
662 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); 749 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663 break; 750 break;
664 751
665 case REQ_DB_GET: 752 case REQ_DB_GET:
… …
672 759
673 case REQ_DB_DEL: 760 case REQ_DB_DEL:
674 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); 761 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675 break; 762 break;
676 763
764 case REQ_DB_KEY_RANGE:
765 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
766 break;
767
677 case REQ_TXN_COMMIT: 768 case REQ_TXN_COMMIT:
678 req->result = req->txn->commit (req->txn, req->uint1); 769 req->result = req->txn->commit (req->txn, req->uint1);
679 break; 770 break;
680 771
681 case REQ_TXN_ABORT: 772 case REQ_TXN_ABORT:
682 req->result = req->txn->abort (req->txn); 773 req->result = req->txn->abort (req->txn);
774 break;
775
776 case REQ_TXN_FINISH:
777 if (req->txn->flags & TXN_DEADLOCK)
778 {
779 req->result = req->txn->abort (req->txn);
780 if (!req->result)
781 req->result = DB_LOCK_DEADLOCK;
782 }
783 else
784 req->result = req->txn->commit (req->txn, req->uint1);
683 break; 785 break;
684 786
685 case REQ_C_CLOSE: 787 case REQ_C_CLOSE:
686 req->result = req->dbc->c_close (req->dbc); 788 req->result = req->dbc->c_close (req->dbc);
687 break; 789 break;
… …
708 810
709 case REQ_C_DEL: 811 case REQ_C_DEL:
710 req->result = req->dbc->c_del (req->dbc, req->uint1); 812 req->result = req->dbc->c_del (req->dbc, req->uint1);
711 break; 813 break;
712 814
815 case REQ_SEQ_OPEN:
816 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
817 break;
818
819 case REQ_SEQ_CLOSE:
820 req->result = req->seq->close (req->seq, req->uint1);
821 break;
822
823 case REQ_SEQ_GET:
824 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
825 break;
826
827 case REQ_SEQ_REMOVE:
828 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
829 break;
830
713 default: 831 default:
714 req->result = ENOSYS; 832 req->result = ENOSYS;
715 break; 833 break;
716 } 834 }
717 835
836 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
837 req->txn->flags |= TXN_DEADLOCK;
838
718 LOCK (reslock); 839 X_LOCK (reslock);
719 840
720 ++npending; 841 ++npending;
721 842
722 if (!reqq_push (&res_queue, req)) 843 if (!reqq_push (&res_queue, req))
723 /* write a dummy byte to the pipe so fh becomes ready */ 844 /* write a dummy byte to the pipe so fh becomes ready */
724 write (respipe [1], &respipe, 1); 845 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725 846
726 self->req = 0; 847 self->req = 0;
727 worker_clear (self); 848 worker_clear (self);
728 849
729 UNLOCK (reslock); 850 X_UNLOCK (reslock);
730 } 851 }
731 852
732quit: 853quit:
733 LOCK (wrklock); 854 X_LOCK (wrklock);
734 worker_free (self); 855 worker_free (self);
735 UNLOCK (wrklock); 856 X_UNLOCK (wrklock);
736 857
737 return 0; 858 return 0;
738} 859}
739 860
740/*****************************************************************************/ 861/*****************************************************************************/
741 862
742static void atfork_prepare (void) 863static void atfork_prepare (void)
743{ 864{
744 LOCK (wrklock); 865 X_LOCK (wrklock);
745 LOCK (reqlock); 866 X_LOCK (reqlock);
746 LOCK (reslock); 867 X_LOCK (reslock);
747} 868}
748 869
749static void atfork_parent (void) 870static void atfork_parent (void)
750{ 871{
751 UNLOCK (reslock); 872 X_UNLOCK (reslock);
752 UNLOCK (reqlock); 873 X_UNLOCK (reqlock);
753 UNLOCK (wrklock); 874 X_UNLOCK (wrklock);
754} 875}
755 876
756static void atfork_child (void) 877static void atfork_child (void)
757{ 878{
758 aio_req prv; 879 aio_req prv;
… …
778 idle = 0; 899 idle = 0;
779 nreqs = 0; 900 nreqs = 0;
780 nready = 0; 901 nready = 0;
781 npending = 0; 902 npending = 0;
782 903
783 close (respipe [0]);
784 close (respipe [1]);
785 create_pipe (); 904 create_respipe ();
786 905
787 atfork_parent (); 906 atfork_parent ();
788} 907}
789 908
790#define dREQ(reqtype) \ 909#define dREQ(reqtype) \
… …
854 const_iv (INIT_TXN) 973 const_iv (INIT_TXN)
855 const_iv (RECOVER) 974 const_iv (RECOVER)
856 const_iv (INIT_TXN) 975 const_iv (INIT_TXN)
857 const_iv (RECOVER_FATAL) 976 const_iv (RECOVER_FATAL)
858 const_iv (CREATE) 977 const_iv (CREATE)
978 const_iv (RDONLY)
859 const_iv (USE_ENVIRON) 979 const_iv (USE_ENVIRON)
860 const_iv (USE_ENVIRON_ROOT) 980 const_iv (USE_ENVIRON_ROOT)
861 const_iv (LOCKDOWN) 981 const_iv (LOCKDOWN)
862 const_iv (PRIVATE) 982 const_iv (PRIVATE)
863 const_iv (REGISTER) 983 const_iv (REGISTER)
… …
869 const_iv (DSYNC_DB) 989 const_iv (DSYNC_DB)
870 const_iv (DSYNC_LOG) 990 const_iv (DSYNC_LOG)
871 const_iv (LOG_AUTOREMOVE) 991 const_iv (LOG_AUTOREMOVE)
872 const_iv (LOG_INMEMORY) 992 const_iv (LOG_INMEMORY)
873 const_iv (NOLOCKING) 993 const_iv (NOLOCKING)
874 const_iv (MULTIVERSION)
875 const_iv (NOMMAP) 994 const_iv (NOMMAP)
876 const_iv (NOPANIC) 995 const_iv (NOPANIC)
877 const_iv (OVERWRITE) 996 const_iv (OVERWRITE)
878 const_iv (PANIC_ENVIRONMENT) 997 const_iv (PANIC_ENVIRONMENT)
879 const_iv (REGION_INIT) 998 const_iv (REGION_INIT)
880 const_iv (TIME_NOTGRANTED) 999 const_iv (TIME_NOTGRANTED)
881 const_iv (TXN_NOSYNC) 1000 const_iv (TXN_NOSYNC)
882 const_iv (TXN_SNAPSHOT) 1001 const_iv (TXN_NOT_DURABLE)
883 const_iv (TXN_WRITE_NOSYNC) 1002 const_iv (TXN_WRITE_NOSYNC)
884 const_iv (WRITECURSOR) 1003 const_iv (WRITECURSOR)
885 const_iv (YIELDCPU) 1004 const_iv (YIELDCPU)
886 const_iv (ENCRYPT_AES) 1005 const_iv (ENCRYPT_AES)
887 const_iv (XA_CREATE) 1006 const_iv (XA_CREATE)
… …
895 const_iv (READ_UNCOMMITTED) 1014 const_iv (READ_UNCOMMITTED)
896 const_iv (TRUNCATE) 1015 const_iv (TRUNCATE)
897 const_iv (NOSYNC) 1016 const_iv (NOSYNC)
898 const_iv (CHKSUM) 1017 const_iv (CHKSUM)
899 const_iv (ENCRYPT) 1018 const_iv (ENCRYPT)
900 const_iv (TXN_NOT_DURABLE)
901 const_iv (DUP) 1019 const_iv (DUP)
902 const_iv (DUPSORT) 1020 const_iv (DUPSORT)
903 const_iv (RECNUM) 1021 const_iv (RECNUM)
904 const_iv (RENUMBER) 1022 const_iv (RENUMBER)
905 const_iv (REVSPLITOFF) 1023 const_iv (REVSPLITOFF)
… …
930 const_iv (APPEND) 1048 const_iv (APPEND)
931 const_iv (NODUPDATA) 1049 const_iv (NODUPDATA)
932 const_iv (NOOVERWRITE) 1050 const_iv (NOOVERWRITE)
933 1051
934 const_iv (TXN_NOWAIT) 1052 const_iv (TXN_NOWAIT)
935 const_iv (TXN_SNAPSHOT)
936 const_iv (TXN_SYNC) 1053 const_iv (TXN_SYNC)
937 1054
938 const_iv (SET_LOCK_TIMEOUT) 1055 const_iv (SET_LOCK_TIMEOUT)
939 const_iv (SET_TXN_TIMEOUT) 1056 const_iv (SET_TXN_TIMEOUT)
940 1057
… …
952 const_iv (AFTER) 1069 const_iv (AFTER)
953 const_iv (CURRENT) 1070 const_iv (CURRENT)
954 const_iv (KEYFIRST) 1071 const_iv (KEYFIRST)
955 const_iv (KEYLAST) 1072 const_iv (KEYLAST)
956 const_iv (NODUPDATA) 1073 const_iv (NODUPDATA)
1074
1075 const_iv (FORCE)
1076
1077 const_iv (LOCK_DEFAULT)
1078 const_iv (LOCK_EXPIRE)
1079 const_iv (LOCK_MAXLOCKS)
1080 const_iv (LOCK_MAXWRITE)
1081 const_iv (LOCK_MINLOCKS)
1082 const_iv (LOCK_MINWRITE)
1083 const_iv (LOCK_OLDEST)
1084 const_iv (LOCK_RANDOM)
1085 const_iv (LOCK_YOUNGEST)
1086
1087 const_iv (SEQ_DEC)
1088 const_iv (SEQ_INC)
1089 const_iv (SEQ_WRAP)
1090
1091 const_iv (BUFFER_SMALL)
1092 const_iv (DONOTINDEX)
1093 const_iv (KEYEMPTY )
1094 const_iv (KEYEXIST )
1095 const_iv (LOCK_DEADLOCK)
1096 const_iv (LOCK_NOTGRANTED)
1097 const_iv (LOG_BUFFER_FULL)
1098 const_iv (NOSERVER)
1099 const_iv (NOSERVER_HOME)
1100 const_iv (NOSERVER_ID)
1101 const_iv (NOTFOUND)
1102 const_iv (PAGE_NOTFOUND)
1103 const_iv (REP_DUPMASTER)
1104 const_iv (REP_HANDLE_DEAD)
1105 const_iv (REP_HOLDELECTION)
1106 const_iv (REP_IGNORE)
1107 const_iv (REP_ISPERM)
1108 const_iv (REP_JOIN_FAILURE)
1109 const_iv (REP_LOCKOUT)
1110 const_iv (REP_NEWMASTER)
1111 const_iv (REP_NEWSITE)
1112 const_iv (REP_NOTPERM)
1113 const_iv (REP_UNAVAIL)
1114 const_iv (RUNRECOVERY)
1115 const_iv (SECONDARY_BAD)
1116 const_iv (VERIFY_BAD)
1117 const_iv (VERSION_MISMATCH)
1118
1119 const_iv (VERB_DEADLOCK)
1120 const_iv (VERB_RECOVERY)
1121 const_iv (VERB_REGISTER)
1122 const_iv (VERB_REPLICATION)
1123 const_iv (VERB_WAITSFOR)
1124
1125 const_iv (VERSION_MAJOR)
1126 const_iv (VERSION_MINOR)
1127 const_iv (VERSION_PATCH)
1128#if DB_VERSION_MINOR >= 5
1129 const_iv (MULTIVERSION)
1130 const_iv (TXN_SNAPSHOT)
1131#endif
1132#if DB_VERSION_MINOR >= 6
1133 const_iv (PREV_DUP)
1134# if 0
1135 const_iv (PRIORITY_UNCHANGED)
1136 const_iv (PRIORITY_VERY_LOW)
1137 const_iv (PRIORITY_LOW)
1138 const_iv (PRIORITY_DEFAULT)
1139 const_iv (PRIORITY_HIGH)
1140 const_iv (PRIORITY_VERY_HIGH)
1141# endif
1142#endif
957 }; 1143 };
958 1144
959 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1145 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1146 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961 1147
962 create_pipe (); 1148 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1149 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1150
1151 create_respipe ();
1152
963 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1153 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1154#ifdef _WIN32
1155 X_MUTEX_CHECK (wrklock);
1156 X_MUTEX_CHECK (reslock);
1157 X_MUTEX_CHECK (reqlock);
1158
1159 X_COND_CHECK (reqwait);
1160#endif
964} 1161}
965 1162
966void 1163void
967max_poll_reqs (int nreqs) 1164max_poll_reqs (int nreqs)
968 PROTOTYPE: $ 1165 PROTOTYPE: $
… …
1087 1284
1088int 1285int
1089nthreads () 1286nthreads ()
1090 PROTOTYPE: 1287 PROTOTYPE:
1091 CODE: 1288 CODE:
1092 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1289 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093 RETVAL = started; 1290 RETVAL = started;
1094 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1291 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095 OUTPUT: 1292 OUTPUT:
1096 RETVAL 1293 RETVAL
1097 1294
1098void 1295void
1099set_sync_prepare (SV *cb) 1296set_sync_prepare (SV *cb)
1100 PROTOTYPE: & 1297 PROTOTYPE: &
1101 CODE: 1298 CODE:
1102 SvREFCNT_dec (prepare_cb); 1299 SvREFCNT_dec (prepare_cb);
1103 prepare_cb = newSVsv (cb); 1300 prepare_cb = newSVsv (cb);
1301
1302char *
1303strerror (int errorno = errno)
1304 PROTOTYPE: ;$
1305 CODE:
1306 RETVAL = db_strerror (errorno);
1307 OUTPUT:
1308 RETVAL
1104 1309
1105DB_ENV * 1310DB_ENV *
1106db_env_create (U32 env_flags = 0) 1311db_env_create (U32 env_flags = 0)
1107 CODE: 1312 CODE:
1108{ 1313{
1109 errno = db_env_create (&RETVAL, env_flags); 1314 errno = db_env_create (&RETVAL, env_flags);
1110 if (errno) 1315 if (errno)
1111 croak ("db_env_create: %s", db_strerror (errno)); 1316 croak ("db_env_create: %s", db_strerror (errno));
1317
1318 if (0)
1319 {
1320 RETVAL->set_errcall (RETVAL, debug_errcall);
1321 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1322 }
1112} 1323}
1113 OUTPUT: 1324 OUTPUT:
1114 RETVAL 1325 RETVAL
1115 1326
1116void 1327void
1117db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1328db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118 CODE: 1329 CODE:
1119{ 1330{
1120 dREQ (REQ_ENV_OPEN); 1331 dREQ (REQ_ENV_OPEN);
1332
1333 env->set_thread_count (env, wanted + 2);
1334
1121 req->env = env; 1335 req->env = env;
1122 req->uint1 = open_flags | DB_THREAD; 1336 req->uint1 = open_flags | DB_THREAD;
1123 req->int1 = mode; 1337 req->int1 = mode;
1124 req->buf1 = strdup_ornull (db_home); 1338 req->buf1 = strdup_ornull (db_home);
1125 REQ_SEND; 1339 REQ_SEND;
… …
1133 req->env = env; 1347 req->env = env;
1134 req->uint1 = flags; 1348 req->uint1 = flags;
1135 REQ_SEND; 1349 REQ_SEND;
1136 ptr_nuke (ST (0)); 1350 ptr_nuke (ST (0));
1137} 1351}
1352
1353void
1354db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1355 CODE:
1356{
1357 dREQ (REQ_ENV_TXN_CHECKPOINT);
1358 req->env = env;
1359 req->uint1 = kbyte;
1360 req->int1 = min;
1361 req->uint2 = flags;
1362 REQ_SEND;
1363}
1364
1365void
1366db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1367 CODE:
1368{
1369 dREQ (REQ_ENV_LOCK_DETECT);
1370 req->env = env;
1371 req->uint1 = flags;
1372 req->uint2 = atype;
1373 REQ_SEND;
1374}
1375
1376void
1377db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1378 CODE:
1379{
1380 dREQ (REQ_ENV_MEMP_SYNC);
1381 req->env = env;
1382 REQ_SEND;
1383}
1384
1385void
1386db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1387 CODE:
1388{
1389 dREQ (REQ_ENV_MEMP_TRICKLE);
1390 req->env = env;
1391 req->int1 = percent;
1392 REQ_SEND;
1393}
1394
1138 1395
1139DB * 1396DB *
1140db_create (DB_ENV *env = 0, U32 flags = 0) 1397db_create (DB_ENV *env = 0, U32 flags = 0)
1141 CODE: 1398 CODE:
1142{ 1399{
… …
1199 req->uint1 = flags; 1456 req->uint1 = flags;
1200 REQ_SEND; 1457 REQ_SEND;
1201} 1458}
1202 1459
1203void 1460void
1461db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
1462 CODE:
1463{
1464 dREQ (REQ_DB_SYNC);
1465 req->db = db;
1466 req->buf1 = strdup (file);
1467 req->uint1 = flags;
1468 REQ_SEND;
1469}
1470
1471void
1472db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1473 CODE:
1474{
1475 dREQ (REQ_DB_KEY_RANGE);
1476 req->db = db;
1477 req->txn = txn;
1478 sv_to_dbt (&req->dbt1, key);
1479 req->uint1 = flags;
1480 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1481 REQ_SEND;
1482}
1483
1484void
1204db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1485db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205 CODE: 1486 CODE:
1206{ 1487{
1207 dREQ (REQ_DB_PUT); 1488 dREQ (REQ_DB_PUT);
1208 req->db = db; 1489 req->db = db;
… …
1274 REQ_SEND; 1555 REQ_SEND;
1275 ptr_nuke (ST (0)); 1556 ptr_nuke (ST (0));
1276} 1557}
1277 1558
1278void 1559void
1560db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1561 CODE:
1562{
1563 dREQ (REQ_TXN_FINISH);
1564 req->txn = txn;
1565 req->uint1 = flags;
1566 REQ_SEND;
1567 ptr_nuke (ST (0));
1568}
1569
1570void
1279db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1571db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280 CODE: 1572 CODE:
1281{ 1573{
1282 dREQ (REQ_C_CLOSE); 1574 dREQ (REQ_C_CLOSE);
1283 req->dbc = dbc; 1575 req->dbc = dbc;
… …
1369 req->uint1 = flags; 1661 req->uint1 = flags;
1370 REQ_SEND; 1662 REQ_SEND;
1371} 1663}
1372 1664
1373 1665
1666void
1667db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1668 CODE:
1669{
1670 dREQ (REQ_SEQ_OPEN);
1671 req->seq = seq;
1672 req->txn = txnid;
1673 req->uint1 = flags | DB_THREAD;
1674 sv_to_dbt (&req->dbt1, key);
1675 REQ_SEND;
1676}
1677
1678void
1679db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1680 CODE:
1681{
1682 dREQ (REQ_SEQ_CLOSE);
1683 req->seq = seq;
1684 req->uint1 = flags;
1685 REQ_SEND;
1686 ptr_nuke (ST (0));
1687}
1688
1689void
1690db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1691 CODE:
1692{
1693 dREQ (REQ_SEQ_GET);
1694 req->seq = seq;
1695 req->txn = txnid;
1696 req->int1 = delta;
1697 req->uint1 = flags;
1698 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1699 REQ_SEND;
1700}
1701
1702void
1703db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1704 CODE:
1705{
1706 dREQ (REQ_SEQ_REMOVE);
1707 req->seq = seq;
1708 req->txn = txnid;
1709 req->uint1 = flags;
1710 REQ_SEND;
1711}
1712
1713
1374MODULE = BDB PACKAGE = BDB::Env 1714MODULE = BDB PACKAGE = BDB::Env
1375 1715
1376void 1716void
1377DESTROY (DB_ENV_ornull *env) 1717DESTROY (DB_ENV_ornull *env)
1378 CODE: 1718 CODE:
1379 if (env) 1719 if (env)
1380 env->close (env, 0); 1720 env->close (env, 0);
1381 1721
1722int set_data_dir (DB_ENV *env, const char *dir)
1723 CODE:
1724 RETVAL = env->set_data_dir (env, dir);
1725 OUTPUT:
1726 RETVAL
1727
1728int set_tmp_dir (DB_ENV *env, const char *dir)
1729 CODE:
1730 RETVAL = env->set_tmp_dir (env, dir);
1731 OUTPUT:
1732 RETVAL
1733
1734int set_lg_dir (DB_ENV *env, const char *dir)
1735 CODE:
1736 RETVAL = env->set_lg_dir (env, dir);
1737 OUTPUT:
1738 RETVAL
1739
1740int set_shm_key (DB_ENV *env, long shm_key)
1741 CODE:
1742 RETVAL = env->set_shm_key (env, shm_key);
1743 OUTPUT:
1744 RETVAL
1745
1382int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) 1746int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383 CODE: 1747 CODE:
1384 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1748 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385 OUTPUT: 1749 OUTPUT:
1386 RETVAL 1750 RETVAL
1387 1751
1388int set_flags (DB_ENV *env, U32 flags, int onoff) 1752int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389 CODE: 1753 CODE:
1390 RETVAL = env->set_flags (env, flags, onoff); 1754 RETVAL = env->set_flags (env, flags, onoff);
1391 OUTPUT: 1755 OUTPUT:
1392 RETVAL 1756 RETVAL
1393 1757
1758void set_errfile (DB_ENV *env, FILE *errfile = 0)
1759 CODE:
1760 env->set_errfile (env, errfile);
1761
1762void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1763 CODE:
1764 env->set_msgfile (env, msgfile);
1765
1766int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1767 CODE:
1768 RETVAL = env->set_verbose (env, which, onoff);
1769 OUTPUT:
1770 RETVAL
1771
1394int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1772int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395 CODE: 1773 CODE:
1396 RETVAL = env->set_encrypt (env, password, flags); 1774 RETVAL = env->set_encrypt (env, password, flags);
1397 OUTPUT: 1775 OUTPUT:
1398 RETVAL 1776 RETVAL
1399 1777
1400int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1778int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401 CODE: 1779 CODE:
1402 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1780 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403 OUTPUT: 1781 OUTPUT:
1782 RETVAL
1783
1784int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1785 CODE:
1786 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1787 OUTPUT:
1788 RETVAL
1789
1790int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1791 CODE:
1792 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1793 OUTPUT:
1794 RETVAL
1795
1796int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1797 CODE:
1798 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1799 OUTPUT:
1800 RETVAL
1801
1802int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1803 CODE:
1804 RETVAL = env->set_lk_detect (env, detect);
1805 OUTPUT:
1806 RETVAL
1807
1808int set_lk_max_lockers (DB_ENV *env, U32 max)
1809 CODE:
1810 RETVAL = env->set_lk_max_lockers (env, max);
1811 OUTPUT:
1812 RETVAL
1813
1814int set_lk_max_locks (DB_ENV *env, U32 max)
1815 CODE:
1816 RETVAL = env->set_lk_max_locks (env, max);
1817 OUTPUT:
1818 RETVAL
1819
1820int set_lk_max_objects (DB_ENV *env, U32 max)
1821 CODE:
1822 RETVAL = env->set_lk_max_objects (env, max);
1823 OUTPUT:
1824 RETVAL
1825
1826int set_lg_bsize (DB_ENV *env, U32 max)
1827 CODE:
1828 RETVAL = env->set_lg_bsize (env, max);
1829 OUTPUT:
1830 RETVAL
1831
1832int set_lg_max (DB_ENV *env, U32 max)
1833 CODE:
1834 RETVAL = env->set_lg_max (env, max);
1835 OUTPUT:
1836 RETVAL
1837
1838int mutex_set_max (DB_ENV *env, U32 max)
1839 CODE:
1840 RETVAL = env->mutex_set_max (env, max);
1841 OUTPUT:
1842 RETVAL
1843
1844int mutex_set_increment (DB_ENV *env, U32 increment)
1845 CODE:
1846 RETVAL = env->mutex_set_increment (env, increment);
1847 OUTPUT:
1848 RETVAL
1849
1850int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1851 CODE:
1852 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1853 OUTPUT:
1854 RETVAL
1855
1856int mutex_set_align (DB_ENV *env, U32 align)
1857 CODE:
1858 RETVAL = env->mutex_set_align (env, align);
1859 OUTPUT:
1404 RETVAL 1860 RETVAL
1405 1861
1406DB_TXN * 1862DB_TXN *
1407txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1863txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408 CODE: 1864 CODE:
… …
1428 CODE: 1884 CODE:
1429 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1885 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430 OUTPUT: 1886 OUTPUT:
1431 RETVAL 1887 RETVAL
1432 1888
1433int set_flags (DB *db, U32 flags); 1889int set_flags (DB *db, U32 flags)
1434 CODE: 1890 CODE:
1435 RETVAL = db->set_flags (db, flags); 1891 RETVAL = db->set_flags (db, flags);
1436 OUTPUT: 1892 OUTPUT:
1437 RETVAL 1893 RETVAL
1438 1894
… …
1446 CODE: 1902 CODE:
1447 RETVAL = db->set_lorder (db, lorder); 1903 RETVAL = db->set_lorder (db, lorder);
1448 OUTPUT: 1904 OUTPUT:
1449 RETVAL 1905 RETVAL
1450 1906
1451
1452int set_bt_minkey (DB *db, U32 minkey) 1907int set_bt_minkey (DB *db, U32 minkey)
1453 CODE: 1908 CODE:
1454 RETVAL = db->set_bt_minkey (db, minkey); 1909 RETVAL = db->set_bt_minkey (db, minkey);
1455 OUTPUT: 1910 OUTPUT:
1456 RETVAL 1911 RETVAL
1457 1912
1458int set_re_delim(DB *db, int delim); 1913int set_re_delim (DB *db, int delim)
1459 CODE: 1914 CODE:
1460 RETVAL = db->set_re_delim (db, delim); 1915 RETVAL = db->set_re_delim (db, delim);
1461 OUTPUT: 1916 OUTPUT:
1462 RETVAL 1917 RETVAL
1463 1918
… …
1504 if (errno) 1959 if (errno)
1505 croak ("DB->cursor: %s", db_strerror (errno)); 1960 croak ("DB->cursor: %s", db_strerror (errno));
1506 OUTPUT: 1961 OUTPUT:
1507 RETVAL 1962 RETVAL
1508 1963
1964DB_SEQUENCE *
1965sequence (DB *db, U32 flags = 0)
1966 CODE:
1967{
1968 errno = db_sequence_create (&RETVAL, db, flags);
1969 if (errno)
1970 croak ("db_sequence_create: %s", db_strerror (errno));
1971}
1972 OUTPUT:
1973 RETVAL
1974
1509 1975
1510MODULE = BDB PACKAGE = BDB::Txn 1976MODULE = BDB PACKAGE = BDB::Txn
1511 1977
1512void 1978void
1513DESTROY (DB_TXN_ornull *txn) 1979DESTROY (DB_TXN_ornull *txn)
1514 CODE: 1980 CODE:
1515 if (txn) 1981 if (txn)
1516 txn->abort (txn); 1982 txn->abort (txn);
1517 1983
1518int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 1984int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519 CODE: 1985 CODE:
1520 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 1986 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1987 OUTPUT:
1988 RETVAL
1989
1990int failed (DB_TXN *txn)
1991 CODE:
1992 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1521 OUTPUT: 1993 OUTPUT:
1522 RETVAL 1994 RETVAL
1523 1995
1524 1996
1525MODULE = BDB PACKAGE = BDB::Cursor 1997MODULE = BDB PACKAGE = BDB::Cursor
… …
1528DESTROY (DBC_ornull *dbc) 2000DESTROY (DBC_ornull *dbc)
1529 CODE: 2001 CODE:
1530 if (dbc) 2002 if (dbc)
1531 dbc->c_close (dbc); 2003 dbc->c_close (dbc);
1532 2004
2005MODULE = BDB PACKAGE = BDB::Sequence
2006
2007void
2008DESTROY (DB_SEQUENCE_ornull *seq)
2009 CODE:
2010 if (seq)
2011 seq->close (seq, 0);
2012
2013int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2014 CODE:
2015 RETVAL = seq->initial_value (seq, value);
2016 OUTPUT:
2017 RETVAL
2018
2019int set_cachesize (DB_SEQUENCE *seq, U32 size)
2020 CODE:
2021 RETVAL = seq->set_cachesize (seq, size);
2022 OUTPUT:
2023 RETVAL
2024
2025int set_flags (DB_SEQUENCE *seq, U32 flags)
2026 CODE:
2027 RETVAL = seq->set_flags (seq, flags);
2028 OUTPUT:
2029 RETVAL
2030
2031int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2032 CODE:
2033 RETVAL = seq->set_range (seq, min, max);
2034 OUTPUT:
2035 RETVAL
2036

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