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Comparing BDB/BDB.xs (file contents):
Revision 1.9 by root, Sun Feb 11 22:38:37 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
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 38
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;
… …
51typedef SV SV8; /* byte-sv, used for argument-checking */ 45typedef SV SV8; /* byte-sv, used for argument-checking */
52typedef char *octetstring; 46typedef char *octetstring;
53 47
54static SV *prepare_cb; 48static SV *prepare_cb;
55 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
56static inline char * 62static char *
57strdup_ornull (const char *s) 63strdup_ornull (const char *s)
58{ 64{
59 return s ? strdup (s) : 0; 65 return s ? strdup (s) : 0;
60} 66}
61 67
62static inline void 68static void
63sv_to_dbt (DBT *dbt, SV *sv) 69sv_to_dbt (DBT *dbt, SV *sv)
64{ 70{
65 STRLEN len; 71 STRLEN len;
66 char *data = SvPVbyte (sv, len); 72 char *data = SvPVbyte (sv, len);
67 73
… …
69 memcpy (dbt->data, data, len); 75 memcpy (dbt->data, data, len);
70 dbt->size = len; 76 dbt->size = len;
71 dbt->flags = DB_DBT_REALLOC; 77 dbt->flags = DB_DBT_REALLOC;
72} 78}
73 79
74static inline void 80static void
75dbt_to_sv (SV *sv, DBT *dbt) 81dbt_to_sv (SV *sv, DBT *dbt)
76{ 82{
77 if (sv) 83 if (sv)
78 { 84 {
79 SvREADONLY_off (sv); 85 SvREADONLY_off (sv);
… …
143 149
144static int next_pri = DEFAULT_PRI + PRI_BIAS; 150static int next_pri = DEFAULT_PRI + PRI_BIAS;
145 151
146static unsigned int started, idle, wanted; 152static unsigned int started, idle, wanted;
147 153
148#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
149# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
150#else
151# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
152#endif
153
154#define LOCK(mutex) pthread_mutex_lock (&(mutex))
155#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
156
157/* worker threads management */ 154/* worker threads management */
158static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 155static mutex_t wrklock = X_MUTEX_INIT;
159 156
160typedef struct worker { 157typedef struct worker {
161 /* locked by wrklock */ 158 /* locked by wrklock */
162 struct worker *prev, *next; 159 struct worker *prev, *next;
163 160
164 pthread_t tid; 161 thread_t tid;
165 162
166 /* locked by reslock, reqlock or wrklock */ 163 /* locked by reslock, reqlock or wrklock */
167 aio_req req; /* currently processed request */ 164 aio_req req; /* currently processed request */
168 void *dbuf; 165 void *dbuf;
169 DIR *dirp; 166 DIR *dirp;
… …
184} 181}
185 182
186static volatile unsigned int nreqs, nready, npending; 183static volatile unsigned int nreqs, nready, npending;
187static volatile unsigned int max_idle = 4; 184static volatile unsigned int max_idle = 4;
188static volatile unsigned int max_outstanding = 0xffffffff; 185static volatile unsigned int max_outstanding = 0xffffffff;
189static int respipe [2]; 186static int respipe [2], respipe_osf [2];
190 187
191static pthread_mutex_t reslock = AIO_MUTEX_INIT; 188static mutex_t reslock = X_MUTEX_INIT;
192static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 189static mutex_t reqlock = X_MUTEX_INIT;
193static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 190static cond_t reqwait = X_COND_INIT;
194 191
195#if WORDACCESS_UNSAFE 192#if WORDACCESS_UNSAFE
196 193
197static unsigned int get_nready () 194static unsigned int get_nready ()
198{ 195{
199 unsigned int retval; 196 unsigned int retval;
200 197
201 LOCK (reqlock); 198 X_LOCK (reqlock);
202 retval = nready; 199 retval = nready;
203 UNLOCK (reqlock); 200 X_UNLOCK (reqlock);
204 201
205 return retval; 202 return retval;
206} 203}
207 204
208static unsigned int get_npending () 205static unsigned int get_npending ()
209{ 206{
210 unsigned int retval; 207 unsigned int retval;
211 208
212 LOCK (reslock); 209 X_LOCK (reslock);
213 retval = npending; 210 retval = npending;
214 UNLOCK (reslock); 211 X_UNLOCK (reslock);
215 212
216 return retval; 213 return retval;
217} 214}
218 215
219static unsigned int get_nthreads () 216static unsigned int get_nthreads ()
220{ 217{
221 unsigned int retval; 218 unsigned int retval;
222 219
223 LOCK (wrklock); 220 X_LOCK (wrklock);
224 retval = started; 221 retval = started;
225 UNLOCK (wrklock); 222 X_UNLOCK (wrklock);
226 223
227 return retval; 224 return retval;
228} 225}
229 226
230#else 227#else
… …
365 free (req->buf1); 362 free (req->buf1);
366 free (req->buf2); 363 free (req->buf2);
367 Safefree (req); 364 Safefree (req);
368} 365}
369 366
370static 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);
371 393
372static void start_thread (void) 394static void start_thread (void)
373{ 395{
374 sigset_t fullsigset, oldsigset;
375 pthread_attr_t attr;
376
377 worker *wrk = calloc (1, sizeof (worker)); 396 worker *wrk = calloc (1, sizeof (worker));
378 397
379 if (!wrk) 398 if (!wrk)
380 croak ("unable to allocate worker thread data"); 399 croak ("unable to allocate worker thread data");
381 400
382 pthread_attr_init (&attr);
383 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
384#ifdef PTHREAD_SCOPE_PROCESS
385 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
386#endif
387
388 sigfillset (&fullsigset);
389
390 LOCK (wrklock); 401 X_LOCK (wrklock);
391 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 402 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394 { 403 {
395 wrk->prev = &wrk_first; 404 wrk->prev = &wrk_first;
396 wrk->next = wrk_first.next; 405 wrk->next = wrk_first.next;
397 wrk_first.next->prev = wrk; 406 wrk_first.next->prev = wrk;
398 wrk_first.next = wrk; 407 wrk_first.next = wrk;
399 ++started; 408 ++started;
400 } 409 }
401 else 410 else
402 free (wrk); 411 free (wrk);
403 412
404 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405 UNLOCK (wrklock); 413 X_UNLOCK (wrklock);
406} 414}
407 415
408static void maybe_start_thread () 416static void maybe_start_thread ()
409{ 417{
410 if (get_nthreads () >= wanted) 418 if (get_nthreads () >= wanted)
… …
422 SV *wait_callback = 0; 430 SV *wait_callback = 0;
423 431
424 // synthesize callback if none given 432 // synthesize callback if none given
425 if (!SvOK (req->callback)) 433 if (!SvOK (req->callback))
426 { 434 {
435 int count;
436
427 dSP; 437 dSP;
428 PUSHMARK (SP); 438 PUSHMARK (SP);
429 PUTBACK; 439 PUTBACK;
430 int count = call_sv (prepare_cb, G_ARRAY); 440 count = call_sv (prepare_cb, G_ARRAY);
431 SPAGAIN; 441 SPAGAIN;
432 442
433 if (count != 2) 443 if (count != 2)
434 croak ("prepare callback must return exactly two values\n"); 444 croak ("prepare callback must return exactly two values\n");
435 445
… …
438 req->callback = SvREFCNT_inc (POPs); 448 req->callback = SvREFCNT_inc (POPs);
439 } 449 }
440 450
441 ++nreqs; 451 ++nreqs;
442 452
443 LOCK (reqlock); 453 X_LOCK (reqlock);
444 ++nready; 454 ++nready;
445 reqq_push (&req_queue, req); 455 reqq_push (&req_queue, req);
446 pthread_cond_signal (&reqwait); 456 X_COND_SIGNAL (reqwait);
447 UNLOCK (reqlock); 457 X_UNLOCK (reqlock);
448 458
449 maybe_start_thread (); 459 maybe_start_thread ();
450 460
451 if (wait_callback) 461 if (wait_callback)
452 { 462 {
… …
465 Newz (0, req, 1, aio_cb); 475 Newz (0, req, 1, aio_cb);
466 476
467 req->type = REQ_QUIT; 477 req->type = REQ_QUIT;
468 req->pri = PRI_MAX + PRI_BIAS; 478 req->pri = PRI_MAX + PRI_BIAS;
469 479
470 LOCK (reqlock); 480 X_LOCK (reqlock);
471 reqq_push (&req_queue, req); 481 reqq_push (&req_queue, req);
472 pthread_cond_signal (&reqwait); 482 X_COND_SIGNAL (reqwait);
473 UNLOCK (reqlock); 483 X_UNLOCK (reqlock);
474 484
475 LOCK (wrklock); 485 X_LOCK (wrklock);
476 --started; 486 --started;
477 UNLOCK (wrklock); 487 X_UNLOCK (wrklock);
478} 488}
479 489
480static void set_max_idle (int nthreads) 490static void set_max_idle (int nthreads)
481{ 491{
482 if (WORDACCESS_UNSAFE) LOCK (reqlock); 492 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483 max_idle = nthreads <= 0 ? 1 : nthreads; 493 max_idle = nthreads <= 0 ? 1 : nthreads;
484 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 494 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485} 495}
486 496
487static void min_parallel (int nthreads) 497static void min_parallel (int nthreads)
488{ 498{
489 if (wanted < nthreads) 499 if (wanted < nthreads)
… …
504 fd_set rfd; 514 fd_set rfd;
505 515
506 while (nreqs) 516 while (nreqs)
507 { 517 {
508 int size; 518 int size;
509 if (WORDACCESS_UNSAFE) LOCK (reslock); 519 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510 size = res_queue.size; 520 size = res_queue.size;
511 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 521 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512 522
513 if (size) 523 if (size)
514 return; 524 return;
515 525
516 maybe_start_thread (); 526 maybe_start_thread ();
517 527
518 FD_ZERO(&rfd); 528 FD_ZERO (&rfd);
519 FD_SET(respipe [0], &rfd); 529 FD_SET (respipe [0], &rfd);
520 530
521 select (respipe [0] + 1, &rfd, 0, 0, 0); 531 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522 } 532 }
523} 533}
524 534
525static int poll_cb () 535static int poll_cb ()
526{ 536{
… …
538 { 548 {
539 for (;;) 549 for (;;)
540 { 550 {
541 maybe_start_thread (); 551 maybe_start_thread ();
542 552
543 LOCK (reslock); 553 X_LOCK (reslock);
544 req = reqq_shift (&res_queue); 554 req = reqq_shift (&res_queue);
545 555
546 if (req) 556 if (req)
547 { 557 {
548 --npending; 558 --npending;
549 559
550 if (!res_queue.size) 560 if (!res_queue.size)
551 { 561 {
552 /* read any signals sent by the worker threads */ 562 /* read any signals sent by the worker threads */
553 char buf [4]; 563 char buf [4];
554 while (read (respipe [0], buf, 4) == 4) 564 while (respipe_read (respipe [0], buf, 4) == 4)
555 ; 565 ;
556 } 566 }
557 } 567 }
558 568
559 UNLOCK (reslock); 569 X_UNLOCK (reslock);
560 570
561 if (!req) 571 if (!req)
562 break; 572 break;
563 573
564 --nreqs; 574 --nreqs;
… …
594 } 604 }
595 605
596 return count; 606 return count;
597} 607}
598 608
599static void create_pipe ()
600{
601 if (pipe (respipe))
602 croak ("unable to initialize result pipe");
603
604 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
605 croak ("cannot set result pipe to nonblocking mode");
606
607 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
608 croak ("cannot set result pipe to nonblocking mode");
609}
610
611/*****************************************************************************/ 609/*****************************************************************************/
612 610
613static void *aio_proc (void *thr_arg) 611X_THREAD_PROC (bdb_proc)
614{ 612{
615 aio_req req; 613 aio_req req;
616 struct timespec ts; 614 struct timespec ts;
617 worker *self = (worker *)thr_arg; 615 worker *self = (worker *)thr_arg;
618 616
619 /* try to distribute timeouts somewhat evenly */ 617 /* try to distribute timeouts somewhat evenly */
620 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 618 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621 * (1000000000UL / 1024UL);
622 619
623 for (;;) 620 for (;;)
624 { 621 {
625 ts.tv_sec = time (0) + IDLE_TIMEOUT; 622 ts.tv_sec = time (0) + IDLE_TIMEOUT;
626 623
627 LOCK (reqlock); 624 X_LOCK (reqlock);
628 625
629 for (;;) 626 for (;;)
630 { 627 {
631 self->req = req = reqq_shift (&req_queue); 628 self->req = req = reqq_shift (&req_queue);
632 629
633 if (req) 630 if (req)
634 break; 631 break;
635 632
636 ++idle; 633 ++idle;
637 634
638 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 635 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639 == ETIMEDOUT) 636 == ETIMEDOUT)
640 { 637 {
641 if (idle > max_idle) 638 if (idle > max_idle)
642 { 639 {
643 --idle; 640 --idle;
644 UNLOCK (reqlock); 641 X_UNLOCK (reqlock);
645 LOCK (wrklock); 642 X_LOCK (wrklock);
646 --started; 643 --started;
647 UNLOCK (wrklock); 644 X_UNLOCK (wrklock);
648 goto quit; 645 goto quit;
649 } 646 }
650 647
651 /* we are allowed to idle, so do so without any timeout */ 648 /* we are allowed to idle, so do so without any timeout */
652 pthread_cond_wait (&reqwait, &reqlock); 649 X_COND_WAIT (reqwait, reqlock);
653 ts.tv_sec = time (0) + IDLE_TIMEOUT; 650 ts.tv_sec = time (0) + IDLE_TIMEOUT;
654 } 651 }
655 652
656 --idle; 653 --idle;
657 } 654 }
658 655
659 --nready; 656 --nready;
660 657
661 UNLOCK (reqlock); 658 X_UNLOCK (reqlock);
662 659
663 switch (req->type) 660 switch (req->type)
664 { 661 {
665 case REQ_QUIT: 662 case REQ_QUIT:
666 goto quit; 663 goto quit;
… …
780 default: 777 default:
781 req->result = ENOSYS; 778 req->result = ENOSYS;
782 break; 779 break;
783 } 780 }
784 781
785 LOCK (reslock); 782 X_LOCK (reslock);
786 783
787 ++npending; 784 ++npending;
788 785
789 if (!reqq_push (&res_queue, req)) 786 if (!reqq_push (&res_queue, req))
790 /* write a dummy byte to the pipe so fh becomes ready */ 787 /* write a dummy byte to the pipe so fh becomes ready */
791 write (respipe [1], &respipe, 1); 788 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792 789
793 self->req = 0; 790 self->req = 0;
794 worker_clear (self); 791 worker_clear (self);
795 792
796 UNLOCK (reslock); 793 X_UNLOCK (reslock);
797 } 794 }
798 795
799quit: 796quit:
800 LOCK (wrklock); 797 X_LOCK (wrklock);
801 worker_free (self); 798 worker_free (self);
802 UNLOCK (wrklock); 799 X_UNLOCK (wrklock);
803 800
804 return 0; 801 return 0;
805} 802}
806 803
807/*****************************************************************************/ 804/*****************************************************************************/
808 805
809static void atfork_prepare (void) 806static void atfork_prepare (void)
810{ 807{
811 LOCK (wrklock); 808 X_LOCK (wrklock);
812 LOCK (reqlock); 809 X_LOCK (reqlock);
813 LOCK (reslock); 810 X_LOCK (reslock);
814} 811}
815 812
816static void atfork_parent (void) 813static void atfork_parent (void)
817{ 814{
818 UNLOCK (reslock); 815 X_UNLOCK (reslock);
819 UNLOCK (reqlock); 816 X_UNLOCK (reqlock);
820 UNLOCK (wrklock); 817 X_UNLOCK (wrklock);
821} 818}
822 819
823static void atfork_child (void) 820static void atfork_child (void)
824{ 821{
825 aio_req prv; 822 aio_req prv;
… …
845 idle = 0; 842 idle = 0;
846 nreqs = 0; 843 nreqs = 0;
847 nready = 0; 844 nready = 0;
848 npending = 0; 845 npending = 0;
849 846
850 close (respipe [0]); 847 respipe_close (respipe [0]);
851 close (respipe [1]); 848 respipe_close (respipe [1]);
849
852 create_pipe (); 850 create_pipe (respipe);
853 851
854 atfork_parent (); 852 atfork_parent ();
855} 853}
856 854
857#define dREQ(reqtype) \ 855#define dREQ(reqtype) \
… …
936 const_iv (DSYNC_DB) 934 const_iv (DSYNC_DB)
937 const_iv (DSYNC_LOG) 935 const_iv (DSYNC_LOG)
938 const_iv (LOG_AUTOREMOVE) 936 const_iv (LOG_AUTOREMOVE)
939 const_iv (LOG_INMEMORY) 937 const_iv (LOG_INMEMORY)
940 const_iv (NOLOCKING) 938 const_iv (NOLOCKING)
941 const_iv (MULTIVERSION)
942 const_iv (NOMMAP) 939 const_iv (NOMMAP)
943 const_iv (NOPANIC) 940 const_iv (NOPANIC)
944 const_iv (OVERWRITE) 941 const_iv (OVERWRITE)
945 const_iv (PANIC_ENVIRONMENT) 942 const_iv (PANIC_ENVIRONMENT)
946 const_iv (REGION_INIT) 943 const_iv (REGION_INIT)
947 const_iv (TIME_NOTGRANTED) 944 const_iv (TIME_NOTGRANTED)
948 const_iv (TXN_NOSYNC) 945 const_iv (TXN_NOSYNC)
949 const_iv (TXN_SNAPSHOT)
950 const_iv (TXN_WRITE_NOSYNC) 946 const_iv (TXN_WRITE_NOSYNC)
951 const_iv (WRITECURSOR) 947 const_iv (WRITECURSOR)
952 const_iv (YIELDCPU) 948 const_iv (YIELDCPU)
953 const_iv (ENCRYPT_AES) 949 const_iv (ENCRYPT_AES)
954 const_iv (XA_CREATE) 950 const_iv (XA_CREATE)
… …
997 const_iv (APPEND) 993 const_iv (APPEND)
998 const_iv (NODUPDATA) 994 const_iv (NODUPDATA)
999 const_iv (NOOVERWRITE) 995 const_iv (NOOVERWRITE)
1000 996
1001 const_iv (TXN_NOWAIT) 997 const_iv (TXN_NOWAIT)
1002 const_iv (TXN_SNAPSHOT)
1003 const_iv (TXN_SYNC) 998 const_iv (TXN_SYNC)
1004 999
1005 const_iv (SET_LOCK_TIMEOUT) 1000 const_iv (SET_LOCK_TIMEOUT)
1006 const_iv (SET_TXN_TIMEOUT) 1001 const_iv (SET_TXN_TIMEOUT)
1007 1002
… …
1035 const_iv (LOCK_YOUNGEST) 1030 const_iv (LOCK_YOUNGEST)
1036 1031
1037 const_iv (SEQ_DEC) 1032 const_iv (SEQ_DEC)
1038 const_iv (SEQ_INC) 1033 const_iv (SEQ_INC)
1039 const_iv (SEQ_WRAP) 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
1040 }; 1078 };
1041 1079
1042 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; )
1043 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1081 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044 1082
1045 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
1046 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
1047} 1096}
1048 1097
1049void 1098void
1050max_poll_reqs (int nreqs) 1099max_poll_reqs (int nreqs)
1051 PROTOTYPE: $ 1100 PROTOTYPE: $
… …
1170 1219
1171int 1220int
1172nthreads () 1221nthreads ()
1173 PROTOTYPE: 1222 PROTOTYPE:
1174 CODE: 1223 CODE:
1175 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1224 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176 RETVAL = started; 1225 RETVAL = started;
1177 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1226 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178 OUTPUT: 1227 OUTPUT:
1179 RETVAL 1228 RETVAL
1180 1229
1181void 1230void
1182set_sync_prepare (SV *cb) 1231set_sync_prepare (SV *cb)
1183 PROTOTYPE: & 1232 PROTOTYPE: &
1184 CODE: 1233 CODE:
1185 SvREFCNT_dec (prepare_cb); 1234 SvREFCNT_dec (prepare_cb);
1186 prepare_cb = newSVsv (cb); 1235 prepare_cb = newSVsv (cb);
1187 1236
1237char *
1238strerror (int errorno = errno)
1239 PROTOTYPE: ;$
1240 CODE:
1241 RETVAL = db_strerror (errorno);
1242 OUTPUT:
1243 RETVAL
1188 1244
1189DB_ENV * 1245DB_ENV *
1190db_env_create (U32 env_flags = 0) 1246db_env_create (U32 env_flags = 0)
1191 CODE: 1247 CODE:
1192{ 1248{
1193 errno = db_env_create (&RETVAL, env_flags); 1249 errno = db_env_create (&RETVAL, env_flags);
1194 if (errno) 1250 if (errno)
1195 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 }
1196} 1258}
1197 OUTPUT: 1259 OUTPUT:
1198 RETVAL 1260 RETVAL
1199 1261
1200void 1262void
1201db_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)
1202 CODE: 1264 CODE:
1203{ 1265{
1204 env->set_thread_count (env, get_nthreads ());
1205
1206 dREQ (REQ_ENV_OPEN); 1266 dREQ (REQ_ENV_OPEN);
1267
1268 env->set_thread_count (env, wanted + 2);
1269
1207 req->env = env; 1270 req->env = env;
1208 req->uint1 = open_flags | DB_THREAD; 1271 req->uint1 = open_flags | DB_THREAD;
1209 req->int1 = mode; 1272 req->int1 = mode;
1210 req->buf1 = strdup_ornull (db_home); 1273 req->buf1 = strdup_ornull (db_home);
1211 REQ_SEND; 1274 REQ_SEND;
… …
1603 CODE: 1666 CODE:
1604 RETVAL = env->set_flags (env, flags, onoff); 1667 RETVAL = env->set_flags (env, flags, onoff);
1605 OUTPUT: 1668 OUTPUT:
1606 RETVAL 1669 RETVAL
1607 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
1608int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1685int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609 CODE: 1686 CODE:
1610 RETVAL = env->set_encrypt (env, password, flags); 1687 RETVAL = env->set_encrypt (env, password, flags);
1611 OUTPUT: 1688 OUTPUT:
1612 RETVAL 1689 RETVAL

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