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Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.14 by root, Sun Jul 8 13:41:03 2007 UTC

1/* solaris */ 1#include "xthread.h"
2#define _POSIX_PTHREAD_SEMANTICS 1
3
4#if __linux && !defined(_GNU_SOURCE)
5# define _GNU_SOURCE
6#endif
7
8/* just in case */
9#define _REENTRANT 1
10 2
11#include <errno.h> 3#include <errno.h>
12 4
13#include "EXTERN.h" 5#include "EXTERN.h"
14#include "perl.h" 6#include "perl.h"
15#include "XSUB.h" 7#include "XSUB.h"
16 8
17#include <pthread.h> 9// perl stupidly defines these as macros, breaking
10// lots and lots of code.
11#undef open
12#undef close
13#undef abort
14#undef malloc
15#undef free
16#undef send
18 17
19#include <stddef.h> 18#include <stddef.h>
20#include <stdlib.h> 19#include <stdlib.h>
21#include <errno.h> 20#include <errno.h>
22#include <sys/time.h>
23#include <sys/types.h> 21#include <sys/types.h>
24#include <limits.h> 22#include <limits.h>
25#include <unistd.h>
26#include <fcntl.h> 23#include <fcntl.h>
27 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
28#include <db.h> 30#include <db.h>
29 31
30#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5) 32#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
31# error you need Berkeley DB 4.5 or newer installed 33# error you need Berkeley DB 4.4 or newer installed
32#endif 34#endif
33 35
34/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
35#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
36
37/* wether word reads are potentially non-atomic.
38 * this is conservatice, likely most arches this runs
39 * on have atomic word read/writes.
40 */
41#ifndef WORDACCESS_UNSAFE
42# if __i386 || __x86_64
43# define WORDACCESS_UNSAFE 0
44# else
45# define WORDACCESS_UNSAFE 1
46# endif
47#endif
48 38
49typedef DB_ENV DB_ENV_ornull; 39typedef DB_ENV DB_ENV_ornull;
50typedef DB_TXN DB_TXN_ornull; 40typedef DB_TXN DB_TXN_ornull;
51typedef DBC DBC_ornull; 41typedef DBC DBC_ornull;
52typedef DB DB_ornull; 42typedef DB DB_ornull;
… …
55typedef SV SV8; /* byte-sv, used for argument-checking */ 45typedef SV SV8; /* byte-sv, used for argument-checking */
56typedef char *octetstring; 46typedef char *octetstring;
57 47
58static SV *prepare_cb; 48static SV *prepare_cb;
59 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
60static inline char * 62static char *
61strdup_ornull (const char *s) 63strdup_ornull (const char *s)
62{ 64{
63 return s ? strdup (s) : 0; 65 return s ? strdup (s) : 0;
64} 66}
65 67
66static inline void 68static void
67sv_to_dbt (DBT *dbt, SV *sv) 69sv_to_dbt (DBT *dbt, SV *sv)
68{ 70{
69 STRLEN len; 71 STRLEN len;
70 char *data = SvPVbyte (sv, len); 72 char *data = SvPVbyte (sv, len);
71 73
… …
73 memcpy (dbt->data, data, len); 75 memcpy (dbt->data, data, len);
74 dbt->size = len; 76 dbt->size = len;
75 dbt->flags = DB_DBT_REALLOC; 77 dbt->flags = DB_DBT_REALLOC;
76} 78}
77 79
78static inline void 80static void
79dbt_to_sv (SV *sv, DBT *dbt) 81dbt_to_sv (SV *sv, DBT *dbt)
80{ 82{
81 if (sv) 83 if (sv)
82 { 84 {
83 SvREADONLY_off (sv); 85 SvREADONLY_off (sv);
… …
147 149
148static int next_pri = DEFAULT_PRI + PRI_BIAS; 150static int next_pri = DEFAULT_PRI + PRI_BIAS;
149 151
150static unsigned int started, idle, wanted; 152static unsigned int started, idle, wanted;
151 153
152#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
153# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
154#else
155# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
156#endif
157
158#define LOCK(mutex) pthread_mutex_lock (&(mutex))
159#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
160
161/* worker threads management */ 154/* worker threads management */
162static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 155static mutex_t wrklock = X_MUTEX_INIT;
163 156
164typedef struct worker { 157typedef struct worker {
165 /* locked by wrklock */ 158 /* locked by wrklock */
166 struct worker *prev, *next; 159 struct worker *prev, *next;
167 160
168 pthread_t tid; 161 thread_t tid;
169 162
170 /* locked by reslock, reqlock or wrklock */ 163 /* locked by reslock, reqlock or wrklock */
171 aio_req req; /* currently processed request */ 164 aio_req req; /* currently processed request */
172 void *dbuf; 165 void *dbuf;
173 DIR *dirp; 166 DIR *dirp;
… …
188} 181}
189 182
190static volatile unsigned int nreqs, nready, npending; 183static volatile unsigned int nreqs, nready, npending;
191static volatile unsigned int max_idle = 4; 184static volatile unsigned int max_idle = 4;
192static volatile unsigned int max_outstanding = 0xffffffff; 185static volatile unsigned int max_outstanding = 0xffffffff;
193static int respipe [2]; 186static int respipe [2], respipe_osf [2];
194 187
195static pthread_mutex_t reslock = AIO_MUTEX_INIT; 188static mutex_t reslock = X_MUTEX_INIT;
196static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 189static mutex_t reqlock = X_MUTEX_INIT;
197static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 190static cond_t reqwait = X_COND_INIT;
198 191
199#if WORDACCESS_UNSAFE 192#if WORDACCESS_UNSAFE
200 193
201static unsigned int get_nready () 194static unsigned int get_nready ()
202{ 195{
203 unsigned int retval; 196 unsigned int retval;
204 197
205 LOCK (reqlock); 198 X_LOCK (reqlock);
206 retval = nready; 199 retval = nready;
207 UNLOCK (reqlock); 200 X_UNLOCK (reqlock);
208 201
209 return retval; 202 return retval;
210} 203}
211 204
212static unsigned int get_npending () 205static unsigned int get_npending ()
213{ 206{
214 unsigned int retval; 207 unsigned int retval;
215 208
216 LOCK (reslock); 209 X_LOCK (reslock);
217 retval = npending; 210 retval = npending;
218 UNLOCK (reslock); 211 X_UNLOCK (reslock);
219 212
220 return retval; 213 return retval;
221} 214}
222 215
223static unsigned int get_nthreads () 216static unsigned int get_nthreads ()
224{ 217{
225 unsigned int retval; 218 unsigned int retval;
226 219
227 LOCK (wrklock); 220 X_LOCK (wrklock);
228 retval = started; 221 retval = started;
229 UNLOCK (wrklock); 222 X_UNLOCK (wrklock);
230 223
231 return retval; 224 return retval;
232} 225}
233 226
234#else 227#else
… …
369 free (req->buf1); 362 free (req->buf1);
370 free (req->buf2); 363 free (req->buf2);
371 Safefree (req); 364 Safefree (req);
372} 365}
373 366
374static 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);
375 393
376static void start_thread (void) 394static void start_thread (void)
377{ 395{
378 sigset_t fullsigset, oldsigset;
379 pthread_attr_t attr;
380
381 worker *wrk = calloc (1, sizeof (worker)); 396 worker *wrk = calloc (1, sizeof (worker));
382 397
383 if (!wrk) 398 if (!wrk)
384 croak ("unable to allocate worker thread data"); 399 croak ("unable to allocate worker thread data");
385 400
386 pthread_attr_init (&attr);
387 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
388#ifdef PTHREAD_SCOPE_PROCESS
389 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
390#endif
391
392 sigfillset (&fullsigset);
393
394 LOCK (wrklock); 401 X_LOCK (wrklock);
395 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 402 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398 { 403 {
399 wrk->prev = &wrk_first; 404 wrk->prev = &wrk_first;
400 wrk->next = wrk_first.next; 405 wrk->next = wrk_first.next;
401 wrk_first.next->prev = wrk; 406 wrk_first.next->prev = wrk;
402 wrk_first.next = wrk; 407 wrk_first.next = wrk;
403 ++started; 408 ++started;
404 } 409 }
405 else 410 else
406 free (wrk); 411 free (wrk);
407 412
408 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409 UNLOCK (wrklock); 413 X_UNLOCK (wrklock);
410} 414}
411 415
412static void maybe_start_thread () 416static void maybe_start_thread ()
413{ 417{
414 if (get_nthreads () >= wanted) 418 if (get_nthreads () >= wanted)
… …
426 SV *wait_callback = 0; 430 SV *wait_callback = 0;
427 431
428 // synthesize callback if none given 432 // synthesize callback if none given
429 if (!SvOK (req->callback)) 433 if (!SvOK (req->callback))
430 { 434 {
435 int count;
436
431 dSP; 437 dSP;
432 PUSHMARK (SP); 438 PUSHMARK (SP);
433 PUTBACK; 439 PUTBACK;
434 int count = call_sv (prepare_cb, G_ARRAY); 440 count = call_sv (prepare_cb, G_ARRAY);
435 SPAGAIN; 441 SPAGAIN;
436 442
437 if (count != 2) 443 if (count != 2)
438 croak ("prepare callback must return exactly two values\n"); 444 croak ("prepare callback must return exactly two values\n");
439 445
… …
442 req->callback = SvREFCNT_inc (POPs); 448 req->callback = SvREFCNT_inc (POPs);
443 } 449 }
444 450
445 ++nreqs; 451 ++nreqs;
446 452
447 LOCK (reqlock); 453 X_LOCK (reqlock);
448 ++nready; 454 ++nready;
449 reqq_push (&req_queue, req); 455 reqq_push (&req_queue, req);
450 pthread_cond_signal (&reqwait); 456 X_COND_SIGNAL (reqwait);
451 UNLOCK (reqlock); 457 X_UNLOCK (reqlock);
452 458
453 maybe_start_thread (); 459 maybe_start_thread ();
454 460
455 if (wait_callback) 461 if (wait_callback)
456 { 462 {
… …
469 Newz (0, req, 1, aio_cb); 475 Newz (0, req, 1, aio_cb);
470 476
471 req->type = REQ_QUIT; 477 req->type = REQ_QUIT;
472 req->pri = PRI_MAX + PRI_BIAS; 478 req->pri = PRI_MAX + PRI_BIAS;
473 479
474 LOCK (reqlock); 480 X_LOCK (reqlock);
475 reqq_push (&req_queue, req); 481 reqq_push (&req_queue, req);
476 pthread_cond_signal (&reqwait); 482 X_COND_SIGNAL (reqwait);
477 UNLOCK (reqlock); 483 X_UNLOCK (reqlock);
478 484
479 LOCK (wrklock); 485 X_LOCK (wrklock);
480 --started; 486 --started;
481 UNLOCK (wrklock); 487 X_UNLOCK (wrklock);
482} 488}
483 489
484static void set_max_idle (int nthreads) 490static void set_max_idle (int nthreads)
485{ 491{
486 if (WORDACCESS_UNSAFE) LOCK (reqlock); 492 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487 max_idle = nthreads <= 0 ? 1 : nthreads; 493 max_idle = nthreads <= 0 ? 1 : nthreads;
488 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 494 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489} 495}
490 496
491static void min_parallel (int nthreads) 497static void min_parallel (int nthreads)
492{ 498{
493 if (wanted < nthreads) 499 if (wanted < nthreads)
… …
508 fd_set rfd; 514 fd_set rfd;
509 515
510 while (nreqs) 516 while (nreqs)
511 { 517 {
512 int size; 518 int size;
513 if (WORDACCESS_UNSAFE) LOCK (reslock); 519 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514 size = res_queue.size; 520 size = res_queue.size;
515 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 521 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516 522
517 if (size) 523 if (size)
518 return; 524 return;
519 525
520 maybe_start_thread (); 526 maybe_start_thread ();
521 527
522 FD_ZERO(&rfd); 528 FD_ZERO (&rfd);
523 FD_SET(respipe [0], &rfd); 529 FD_SET (respipe [0], &rfd);
524 530
525 select (respipe [0] + 1, &rfd, 0, 0, 0); 531 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526 } 532 }
527} 533}
528 534
529static int poll_cb () 535static int poll_cb ()
530{ 536{
… …
542 { 548 {
543 for (;;) 549 for (;;)
544 { 550 {
545 maybe_start_thread (); 551 maybe_start_thread ();
546 552
547 LOCK (reslock); 553 X_LOCK (reslock);
548 req = reqq_shift (&res_queue); 554 req = reqq_shift (&res_queue);
549 555
550 if (req) 556 if (req)
551 { 557 {
552 --npending; 558 --npending;
553 559
554 if (!res_queue.size) 560 if (!res_queue.size)
555 { 561 {
556 /* read any signals sent by the worker threads */ 562 /* read any signals sent by the worker threads */
557 char buf [4]; 563 char buf [4];
558 while (read (respipe [0], buf, 4) == 4) 564 while (respipe_read (respipe [0], buf, 4) == 4)
559 ; 565 ;
560 } 566 }
561 } 567 }
562 568
563 UNLOCK (reslock); 569 X_UNLOCK (reslock);
564 570
565 if (!req) 571 if (!req)
566 break; 572 break;
567 573
568 --nreqs; 574 --nreqs;
… …
598 } 604 }
599 605
600 return count; 606 return count;
601} 607}
602 608
603static void create_pipe ()
604{
605 if (pipe (respipe))
606 croak ("unable to initialize result pipe");
607
608 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
609 croak ("cannot set result pipe to nonblocking mode");
610
611 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
612 croak ("cannot set result pipe to nonblocking mode");
613}
614
615/*****************************************************************************/ 609/*****************************************************************************/
616 610
617static void *aio_proc (void *thr_arg) 611X_THREAD_PROC (bdb_proc)
618{ 612{
619 aio_req req; 613 aio_req req;
620 struct timespec ts; 614 struct timespec ts;
621 worker *self = (worker *)thr_arg; 615 worker *self = (worker *)thr_arg;
622 616
623 /* try to distribute timeouts somewhat evenly */ 617 /* try to distribute timeouts somewhat evenly */
624 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 618 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625 * (1000000000UL / 1024UL);
626 619
627 for (;;) 620 for (;;)
628 { 621 {
629 ts.tv_sec = time (0) + IDLE_TIMEOUT; 622 ts.tv_sec = time (0) + IDLE_TIMEOUT;
630 623
631 LOCK (reqlock); 624 X_LOCK (reqlock);
632 625
633 for (;;) 626 for (;;)
634 { 627 {
635 self->req = req = reqq_shift (&req_queue); 628 self->req = req = reqq_shift (&req_queue);
636 629
637 if (req) 630 if (req)
638 break; 631 break;
639 632
640 ++idle; 633 ++idle;
641 634
642 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 635 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643 == ETIMEDOUT) 636 == ETIMEDOUT)
644 { 637 {
645 if (idle > max_idle) 638 if (idle > max_idle)
646 { 639 {
647 --idle; 640 --idle;
648 UNLOCK (reqlock); 641 X_UNLOCK (reqlock);
649 LOCK (wrklock); 642 X_LOCK (wrklock);
650 --started; 643 --started;
651 UNLOCK (wrklock); 644 X_UNLOCK (wrklock);
652 goto quit; 645 goto quit;
653 } 646 }
654 647
655 /* we are allowed to idle, so do so without any timeout */ 648 /* we are allowed to idle, so do so without any timeout */
656 pthread_cond_wait (&reqwait, &reqlock); 649 X_COND_WAIT (reqwait, reqlock);
657 ts.tv_sec = time (0) + IDLE_TIMEOUT; 650 ts.tv_sec = time (0) + IDLE_TIMEOUT;
658 } 651 }
659 652
660 --idle; 653 --idle;
661 } 654 }
662 655
663 --nready; 656 --nready;
664 657
665 UNLOCK (reqlock); 658 X_UNLOCK (reqlock);
666 659
667 switch (req->type) 660 switch (req->type)
668 { 661 {
669 case REQ_QUIT: 662 case REQ_QUIT:
670 goto quit; 663 goto quit;
… …
784 default: 777 default:
785 req->result = ENOSYS; 778 req->result = ENOSYS;
786 break; 779 break;
787 } 780 }
788 781
789 LOCK (reslock); 782 X_LOCK (reslock);
790 783
791 ++npending; 784 ++npending;
792 785
793 if (!reqq_push (&res_queue, req)) 786 if (!reqq_push (&res_queue, req))
794 /* write a dummy byte to the pipe so fh becomes ready */ 787 /* write a dummy byte to the pipe so fh becomes ready */
795 write (respipe [1], &respipe, 1); 788 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796 789
797 self->req = 0; 790 self->req = 0;
798 worker_clear (self); 791 worker_clear (self);
799 792
800 UNLOCK (reslock); 793 X_UNLOCK (reslock);
801 } 794 }
802 795
803quit: 796quit:
804 LOCK (wrklock); 797 X_LOCK (wrklock);
805 worker_free (self); 798 worker_free (self);
806 UNLOCK (wrklock); 799 X_UNLOCK (wrklock);
807 800
808 return 0; 801 return 0;
809} 802}
810 803
811/*****************************************************************************/ 804/*****************************************************************************/
812 805
813static void atfork_prepare (void) 806static void atfork_prepare (void)
814{ 807{
815 LOCK (wrklock); 808 X_LOCK (wrklock);
816 LOCK (reqlock); 809 X_LOCK (reqlock);
817 LOCK (reslock); 810 X_LOCK (reslock);
818} 811}
819 812
820static void atfork_parent (void) 813static void atfork_parent (void)
821{ 814{
822 UNLOCK (reslock); 815 X_UNLOCK (reslock);
823 UNLOCK (reqlock); 816 X_UNLOCK (reqlock);
824 UNLOCK (wrklock); 817 X_UNLOCK (wrklock);
825} 818}
826 819
827static void atfork_child (void) 820static void atfork_child (void)
828{ 821{
829 aio_req prv; 822 aio_req prv;
… …
849 idle = 0; 842 idle = 0;
850 nreqs = 0; 843 nreqs = 0;
851 nready = 0; 844 nready = 0;
852 npending = 0; 845 npending = 0;
853 846
854 close (respipe [0]); 847 respipe_close (respipe [0]);
855 close (respipe [1]); 848 respipe_close (respipe [1]);
849
856 create_pipe (); 850 create_pipe (respipe);
857 851
858 atfork_parent (); 852 atfork_parent ();
859} 853}
860 854
861#define dREQ(reqtype) \ 855#define dREQ(reqtype) \
… …
940 const_iv (DSYNC_DB) 934 const_iv (DSYNC_DB)
941 const_iv (DSYNC_LOG) 935 const_iv (DSYNC_LOG)
942 const_iv (LOG_AUTOREMOVE) 936 const_iv (LOG_AUTOREMOVE)
943 const_iv (LOG_INMEMORY) 937 const_iv (LOG_INMEMORY)
944 const_iv (NOLOCKING) 938 const_iv (NOLOCKING)
945 const_iv (MULTIVERSION)
946 const_iv (NOMMAP) 939 const_iv (NOMMAP)
947 const_iv (NOPANIC) 940 const_iv (NOPANIC)
948 const_iv (OVERWRITE) 941 const_iv (OVERWRITE)
949 const_iv (PANIC_ENVIRONMENT) 942 const_iv (PANIC_ENVIRONMENT)
950 const_iv (REGION_INIT) 943 const_iv (REGION_INIT)
951 const_iv (TIME_NOTGRANTED) 944 const_iv (TIME_NOTGRANTED)
952 const_iv (TXN_NOSYNC) 945 const_iv (TXN_NOSYNC)
953 const_iv (TXN_SNAPSHOT)
954 const_iv (TXN_WRITE_NOSYNC) 946 const_iv (TXN_WRITE_NOSYNC)
955 const_iv (WRITECURSOR) 947 const_iv (WRITECURSOR)
956 const_iv (YIELDCPU) 948 const_iv (YIELDCPU)
957 const_iv (ENCRYPT_AES) 949 const_iv (ENCRYPT_AES)
958 const_iv (XA_CREATE) 950 const_iv (XA_CREATE)
… …
1001 const_iv (APPEND) 993 const_iv (APPEND)
1002 const_iv (NODUPDATA) 994 const_iv (NODUPDATA)
1003 const_iv (NOOVERWRITE) 995 const_iv (NOOVERWRITE)
1004 996
1005 const_iv (TXN_NOWAIT) 997 const_iv (TXN_NOWAIT)
1006 const_iv (TXN_SNAPSHOT)
1007 const_iv (TXN_SYNC) 998 const_iv (TXN_SYNC)
1008 999
1009 const_iv (SET_LOCK_TIMEOUT) 1000 const_iv (SET_LOCK_TIMEOUT)
1010 const_iv (SET_TXN_TIMEOUT) 1001 const_iv (SET_TXN_TIMEOUT)
1011 1002
… …
1039 const_iv (LOCK_YOUNGEST) 1030 const_iv (LOCK_YOUNGEST)
1040 1031
1041 const_iv (SEQ_DEC) 1032 const_iv (SEQ_DEC)
1042 const_iv (SEQ_INC) 1033 const_iv (SEQ_INC)
1043 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
1044 }; 1078 };
1045 1079
1046 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; )
1047 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1081 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048 1082
1049 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
1050 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
1051} 1096}
1052 1097
1053void 1098void
1054max_poll_reqs (int nreqs) 1099max_poll_reqs (int nreqs)
1055 PROTOTYPE: $ 1100 PROTOTYPE: $
… …
1174 1219
1175int 1220int
1176nthreads () 1221nthreads ()
1177 PROTOTYPE: 1222 PROTOTYPE:
1178 CODE: 1223 CODE:
1179 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1224 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180 RETVAL = started; 1225 RETVAL = started;
1181 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1226 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182 OUTPUT: 1227 OUTPUT:
1183 RETVAL 1228 RETVAL
1184 1229
1185void 1230void
1186set_sync_prepare (SV *cb) 1231set_sync_prepare (SV *cb)
1187 PROTOTYPE: & 1232 PROTOTYPE: &
1188 CODE: 1233 CODE:
1189 SvREFCNT_dec (prepare_cb); 1234 SvREFCNT_dec (prepare_cb);
1190 prepare_cb = newSVsv (cb); 1235 prepare_cb = newSVsv (cb);
1191 1236
1237char *
1238strerror (int errorno = errno)
1239 PROTOTYPE: ;$
1240 CODE:
1241 RETVAL = db_strerror (errorno);
1242 OUTPUT:
1243 RETVAL
1192 1244
1193DB_ENV * 1245DB_ENV *
1194db_env_create (U32 env_flags = 0) 1246db_env_create (U32 env_flags = 0)
1195 CODE: 1247 CODE:
1196{ 1248{
1197 errno = db_env_create (&RETVAL, env_flags); 1249 errno = db_env_create (&RETVAL, env_flags);
1198 if (errno) 1250 if (errno)
1199 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 }
1200} 1258}
1201 OUTPUT: 1259 OUTPUT:
1202 RETVAL 1260 RETVAL
1203 1261
1204void 1262void
1205db_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)
1206 CODE: 1264 CODE:
1207{ 1265{
1208 env->set_thread_count (env, get_nthreads ());
1209
1210 dREQ (REQ_ENV_OPEN); 1266 dREQ (REQ_ENV_OPEN);
1267
1268 env->set_thread_count (env, wanted + 2);
1269
1211 req->env = env; 1270 req->env = env;
1212 req->uint1 = open_flags | DB_THREAD; 1271 req->uint1 = open_flags | DB_THREAD;
1213 req->int1 = mode; 1272 req->int1 = mode;
1214 req->buf1 = strdup_ornull (db_home); 1273 req->buf1 = strdup_ornull (db_home);
1215 REQ_SEND; 1274 REQ_SEND;
… …
1607 CODE: 1666 CODE:
1608 RETVAL = env->set_flags (env, flags, onoff); 1667 RETVAL = env->set_flags (env, flags, onoff);
1609 OUTPUT: 1668 OUTPUT:
1610 RETVAL 1669 RETVAL
1611 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
1612int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1685int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613 CODE: 1686 CODE:
1614 RETVAL = env->set_encrypt (env, password, flags); 1687 RETVAL = env->set_encrypt (env, password, flags);
1615 OUTPUT: 1688 OUTPUT:
1616 RETVAL 1689 RETVAL

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