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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 1.16 by root, Mon Aug 13 12:01:45 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
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
56static inline char * 72static char *
57strdup_ornull (const char *s) 73strdup_ornull (const char *s)
58{ 74{
59 return s ? strdup (s) : 0; 75 return s ? strdup (s) : 0;
60} 76}
61 77
62static inline void 78static void
63sv_to_dbt (DBT *dbt, SV *sv) 79sv_to_dbt (DBT *dbt, SV *sv)
64{ 80{
65 STRLEN len; 81 STRLEN len;
66 char *data = SvPVbyte (sv, len); 82 char *data = SvPVbyte (sv, len);
67 83
… …
69 memcpy (dbt->data, data, len); 85 memcpy (dbt->data, data, len);
70 dbt->size = len; 86 dbt->size = len;
71 dbt->flags = DB_DBT_REALLOC; 87 dbt->flags = DB_DBT_REALLOC;
72} 88}
73 89
74static inline void 90static void
75dbt_to_sv (SV *sv, DBT *dbt) 91dbt_to_sv (SV *sv, DBT *dbt)
76{ 92{
77 if (sv) 93 if (sv)
78 { 94 {
79 SvREADONLY_off (sv); 95 SvREADONLY_off (sv);
… …
143 159
144static int next_pri = DEFAULT_PRI + PRI_BIAS; 160static int next_pri = DEFAULT_PRI + PRI_BIAS;
145 161
146static unsigned int started, idle, wanted; 162static unsigned int started, idle, wanted;
147 163
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 */ 164/* worker threads management */
158static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 165static mutex_t wrklock = X_MUTEX_INIT;
159 166
160typedef struct worker { 167typedef struct worker {
161 /* locked by wrklock */ 168 /* locked by wrklock */
162 struct worker *prev, *next; 169 struct worker *prev, *next;
163 170
164 pthread_t tid; 171 thread_t tid;
165 172
166 /* locked by reslock, reqlock or wrklock */ 173 /* locked by reslock, reqlock or wrklock */
167 aio_req req; /* currently processed request */ 174 aio_req req; /* currently processed request */
168 void *dbuf; 175 void *dbuf;
169 DIR *dirp; 176 DIR *dirp;
… …
184} 191}
185 192
186static volatile unsigned int nreqs, nready, npending; 193static volatile unsigned int nreqs, nready, npending;
187static volatile unsigned int max_idle = 4; 194static volatile unsigned int max_idle = 4;
188static volatile unsigned int max_outstanding = 0xffffffff; 195static volatile unsigned int max_outstanding = 0xffffffff;
189static int respipe [2]; 196static int respipe [2], respipe_osf [2];
190 197
191static pthread_mutex_t reslock = AIO_MUTEX_INIT; 198static mutex_t reslock = X_MUTEX_INIT;
192static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 199static mutex_t reqlock = X_MUTEX_INIT;
193static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 200static cond_t reqwait = X_COND_INIT;
194 201
195#if WORDACCESS_UNSAFE 202#if WORDACCESS_UNSAFE
196 203
197static unsigned int get_nready () 204static unsigned int get_nready ()
198{ 205{
199 unsigned int retval; 206 unsigned int retval;
200 207
201 LOCK (reqlock); 208 X_LOCK (reqlock);
202 retval = nready; 209 retval = nready;
203 UNLOCK (reqlock); 210 X_UNLOCK (reqlock);
204 211
205 return retval; 212 return retval;
206} 213}
207 214
208static unsigned int get_npending () 215static unsigned int get_npending ()
209{ 216{
210 unsigned int retval; 217 unsigned int retval;
211 218
212 LOCK (reslock); 219 X_LOCK (reslock);
213 retval = npending; 220 retval = npending;
214 UNLOCK (reslock); 221 X_UNLOCK (reslock);
215 222
216 return retval; 223 return retval;
217} 224}
218 225
219static unsigned int get_nthreads () 226static unsigned int get_nthreads ()
220{ 227{
221 unsigned int retval; 228 unsigned int retval;
222 229
223 LOCK (wrklock); 230 X_LOCK (wrklock);
224 retval = started; 231 retval = started;
225 UNLOCK (wrklock); 232 X_UNLOCK (wrklock);
226 233
227 return retval; 234 return retval;
228} 235}
229 236
230#else 237#else
… …
365 free (req->buf1); 372 free (req->buf1);
366 free (req->buf2); 373 free (req->buf2);
367 Safefree (req); 374 Safefree (req);
368} 375}
369 376
370static void *aio_proc (void *arg); 377#ifdef USE_SOCKETS_AS_HANDLES
378# define TO_SOCKET(x) (win32_get_osfhandle (x))
379#else
380# define TO_SOCKET(x) (x)
381#endif
382
383static void
384create_pipe (int fd[2])
385{
386#ifdef _WIN32
387 int arg = 1;
388 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
389 || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
390 || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
391#else
392 if (pipe (fd)
393 || fcntl (fd [0], F_SETFL, O_NONBLOCK)
394 || fcntl (fd [1], F_SETFL, O_NONBLOCK))
395#endif
396 croak ("unable to initialize result pipe");
397
398 respipe_osf [0] = TO_SOCKET (respipe [0]);
399 respipe_osf [1] = TO_SOCKET (respipe [1]);
400}
401
402X_THREAD_PROC (bdb_proc);
371 403
372static void start_thread (void) 404static void start_thread (void)
373{ 405{
374 sigset_t fullsigset, oldsigset;
375 pthread_attr_t attr;
376
377 worker *wrk = calloc (1, sizeof (worker)); 406 worker *wrk = calloc (1, sizeof (worker));
378 407
379 if (!wrk) 408 if (!wrk)
380 croak ("unable to allocate worker thread data"); 409 croak ("unable to allocate worker thread data");
381 410
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); 411 X_LOCK (wrklock);
391 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 412 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394 { 413 {
395 wrk->prev = &wrk_first; 414 wrk->prev = &wrk_first;
396 wrk->next = wrk_first.next; 415 wrk->next = wrk_first.next;
397 wrk_first.next->prev = wrk; 416 wrk_first.next->prev = wrk;
398 wrk_first.next = wrk; 417 wrk_first.next = wrk;
399 ++started; 418 ++started;
400 } 419 }
401 else 420 else
402 free (wrk); 421 free (wrk);
403 422
404 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405 UNLOCK (wrklock); 423 X_UNLOCK (wrklock);
406} 424}
407 425
408static void maybe_start_thread () 426static void maybe_start_thread ()
409{ 427{
410 if (get_nthreads () >= wanted) 428 if (get_nthreads () >= wanted)
… …
422 SV *wait_callback = 0; 440 SV *wait_callback = 0;
423 441
424 // synthesize callback if none given 442 // synthesize callback if none given
425 if (!SvOK (req->callback)) 443 if (!SvOK (req->callback))
426 { 444 {
445 int count;
446
427 dSP; 447 dSP;
428 PUSHMARK (SP); 448 PUSHMARK (SP);
429 PUTBACK; 449 PUTBACK;
430 int count = call_sv (prepare_cb, G_ARRAY); 450 count = call_sv (prepare_cb, G_ARRAY);
431 SPAGAIN; 451 SPAGAIN;
432 452
433 if (count != 2) 453 if (count != 2)
434 croak ("prepare callback must return exactly two values\n"); 454 croak ("prepare callback must return exactly two values\n");
435 455
… …
438 req->callback = SvREFCNT_inc (POPs); 458 req->callback = SvREFCNT_inc (POPs);
439 } 459 }
440 460
441 ++nreqs; 461 ++nreqs;
442 462
443 LOCK (reqlock); 463 X_LOCK (reqlock);
444 ++nready; 464 ++nready;
445 reqq_push (&req_queue, req); 465 reqq_push (&req_queue, req);
446 pthread_cond_signal (&reqwait); 466 X_COND_SIGNAL (reqwait);
447 UNLOCK (reqlock); 467 X_UNLOCK (reqlock);
448 468
449 maybe_start_thread (); 469 maybe_start_thread ();
450 470
451 if (wait_callback) 471 if (wait_callback)
452 { 472 {
… …
465 Newz (0, req, 1, aio_cb); 485 Newz (0, req, 1, aio_cb);
466 486
467 req->type = REQ_QUIT; 487 req->type = REQ_QUIT;
468 req->pri = PRI_MAX + PRI_BIAS; 488 req->pri = PRI_MAX + PRI_BIAS;
469 489
470 LOCK (reqlock); 490 X_LOCK (reqlock);
471 reqq_push (&req_queue, req); 491 reqq_push (&req_queue, req);
472 pthread_cond_signal (&reqwait); 492 X_COND_SIGNAL (reqwait);
473 UNLOCK (reqlock); 493 X_UNLOCK (reqlock);
474 494
475 LOCK (wrklock); 495 X_LOCK (wrklock);
476 --started; 496 --started;
477 UNLOCK (wrklock); 497 X_UNLOCK (wrklock);
478} 498}
479 499
480static void set_max_idle (int nthreads) 500static void set_max_idle (int nthreads)
481{ 501{
482 if (WORDACCESS_UNSAFE) LOCK (reqlock); 502 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483 max_idle = nthreads <= 0 ? 1 : nthreads; 503 max_idle = nthreads <= 0 ? 1 : nthreads;
484 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 504 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485} 505}
486 506
487static void min_parallel (int nthreads) 507static void min_parallel (int nthreads)
488{ 508{
489 if (wanted < nthreads) 509 if (wanted < nthreads)
… …
504 fd_set rfd; 524 fd_set rfd;
505 525
506 while (nreqs) 526 while (nreqs)
507 { 527 {
508 int size; 528 int size;
509 if (WORDACCESS_UNSAFE) LOCK (reslock); 529 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510 size = res_queue.size; 530 size = res_queue.size;
511 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 531 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512 532
513 if (size) 533 if (size)
514 return; 534 return;
515 535
516 maybe_start_thread (); 536 maybe_start_thread ();
517 537
518 FD_ZERO(&rfd); 538 FD_ZERO (&rfd);
519 FD_SET(respipe [0], &rfd); 539 FD_SET (respipe [0], &rfd);
520 540
521 select (respipe [0] + 1, &rfd, 0, 0, 0); 541 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522 } 542 }
523} 543}
524 544
525static int poll_cb () 545static int poll_cb ()
526{ 546{
… …
538 { 558 {
539 for (;;) 559 for (;;)
540 { 560 {
541 maybe_start_thread (); 561 maybe_start_thread ();
542 562
543 LOCK (reslock); 563 X_LOCK (reslock);
544 req = reqq_shift (&res_queue); 564 req = reqq_shift (&res_queue);
545 565
546 if (req) 566 if (req)
547 { 567 {
548 --npending; 568 --npending;
549 569
550 if (!res_queue.size) 570 if (!res_queue.size)
551 { 571 {
552 /* read any signals sent by the worker threads */ 572 /* read any signals sent by the worker threads */
553 char buf [4]; 573 char buf [4];
554 while (read (respipe [0], buf, 4) == 4) 574 while (respipe_read (respipe [0], buf, 4) == 4)
555 ; 575 ;
556 } 576 }
557 } 577 }
558 578
559 UNLOCK (reslock); 579 X_UNLOCK (reslock);
560 580
561 if (!req) 581 if (!req)
562 break; 582 break;
563 583
564 --nreqs; 584 --nreqs;
… …
594 } 614 }
595 615
596 return count; 616 return count;
597} 617}
598 618
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/*****************************************************************************/ 619/*****************************************************************************/
612 620
613static void *aio_proc (void *thr_arg) 621X_THREAD_PROC (bdb_proc)
614{ 622{
615 aio_req req; 623 aio_req req;
616 struct timespec ts; 624 struct timespec ts;
617 worker *self = (worker *)thr_arg; 625 worker *self = (worker *)thr_arg;
618 626
619 /* try to distribute timeouts somewhat evenly */ 627 /* try to distribute timeouts somewhat evenly */
620 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 628 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621 * (1000000000UL / 1024UL);
622 629
623 for (;;) 630 for (;;)
624 { 631 {
625 ts.tv_sec = time (0) + IDLE_TIMEOUT; 632 ts.tv_sec = time (0) + IDLE_TIMEOUT;
626 633
627 LOCK (reqlock); 634 X_LOCK (reqlock);
628 635
629 for (;;) 636 for (;;)
630 { 637 {
631 self->req = req = reqq_shift (&req_queue); 638 self->req = req = reqq_shift (&req_queue);
632 639
633 if (req) 640 if (req)
634 break; 641 break;
635 642
636 ++idle; 643 ++idle;
637 644
638 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 645 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639 == ETIMEDOUT) 646 == ETIMEDOUT)
640 { 647 {
641 if (idle > max_idle) 648 if (idle > max_idle)
642 { 649 {
643 --idle; 650 --idle;
644 UNLOCK (reqlock); 651 X_UNLOCK (reqlock);
645 LOCK (wrklock); 652 X_LOCK (wrklock);
646 --started; 653 --started;
647 UNLOCK (wrklock); 654 X_UNLOCK (wrklock);
648 goto quit; 655 goto quit;
649 } 656 }
650 657
651 /* we are allowed to idle, so do so without any timeout */ 658 /* we are allowed to idle, so do so without any timeout */
652 pthread_cond_wait (&reqwait, &reqlock); 659 X_COND_WAIT (reqwait, reqlock);
653 ts.tv_sec = time (0) + IDLE_TIMEOUT; 660 ts.tv_sec = time (0) + IDLE_TIMEOUT;
654 } 661 }
655 662
656 --idle; 663 --idle;
657 } 664 }
658 665
659 --nready; 666 --nready;
660 667
661 UNLOCK (reqlock); 668 X_UNLOCK (reqlock);
662 669
663 switch (req->type) 670 switch (req->type)
664 { 671 {
665 case REQ_QUIT: 672 case REQ_QUIT:
666 goto quit; 673 goto quit;
… …
780 default: 787 default:
781 req->result = ENOSYS; 788 req->result = ENOSYS;
782 break; 789 break;
783 } 790 }
784 791
785 LOCK (reslock); 792 X_LOCK (reslock);
786 793
787 ++npending; 794 ++npending;
788 795
789 if (!reqq_push (&res_queue, req)) 796 if (!reqq_push (&res_queue, req))
790 /* write a dummy byte to the pipe so fh becomes ready */ 797 /* write a dummy byte to the pipe so fh becomes ready */
791 write (respipe [1], &respipe, 1); 798 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792 799
793 self->req = 0; 800 self->req = 0;
794 worker_clear (self); 801 worker_clear (self);
795 802
796 UNLOCK (reslock); 803 X_UNLOCK (reslock);
797 } 804 }
798 805
799quit: 806quit:
800 LOCK (wrklock); 807 X_LOCK (wrklock);
801 worker_free (self); 808 worker_free (self);
802 UNLOCK (wrklock); 809 X_UNLOCK (wrklock);
803 810
804 return 0; 811 return 0;
805} 812}
806 813
807/*****************************************************************************/ 814/*****************************************************************************/
808 815
809static void atfork_prepare (void) 816static void atfork_prepare (void)
810{ 817{
811 LOCK (wrklock); 818 X_LOCK (wrklock);
812 LOCK (reqlock); 819 X_LOCK (reqlock);
813 LOCK (reslock); 820 X_LOCK (reslock);
814} 821}
815 822
816static void atfork_parent (void) 823static void atfork_parent (void)
817{ 824{
818 UNLOCK (reslock); 825 X_UNLOCK (reslock);
819 UNLOCK (reqlock); 826 X_UNLOCK (reqlock);
820 UNLOCK (wrklock); 827 X_UNLOCK (wrklock);
821} 828}
822 829
823static void atfork_child (void) 830static void atfork_child (void)
824{ 831{
825 aio_req prv; 832 aio_req prv;
… …
845 idle = 0; 852 idle = 0;
846 nreqs = 0; 853 nreqs = 0;
847 nready = 0; 854 nready = 0;
848 npending = 0; 855 npending = 0;
849 856
850 close (respipe [0]); 857 respipe_close (respipe [0]);
851 close (respipe [1]); 858 respipe_close (respipe [1]);
859
852 create_pipe (); 860 create_pipe (respipe);
853 861
854 atfork_parent (); 862 atfork_parent ();
855} 863}
856 864
857#define dREQ(reqtype) \ 865#define dREQ(reqtype) \
… …
936 const_iv (DSYNC_DB) 944 const_iv (DSYNC_DB)
937 const_iv (DSYNC_LOG) 945 const_iv (DSYNC_LOG)
938 const_iv (LOG_AUTOREMOVE) 946 const_iv (LOG_AUTOREMOVE)
939 const_iv (LOG_INMEMORY) 947 const_iv (LOG_INMEMORY)
940 const_iv (NOLOCKING) 948 const_iv (NOLOCKING)
941 const_iv (MULTIVERSION)
942 const_iv (NOMMAP) 949 const_iv (NOMMAP)
943 const_iv (NOPANIC) 950 const_iv (NOPANIC)
944 const_iv (OVERWRITE) 951 const_iv (OVERWRITE)
945 const_iv (PANIC_ENVIRONMENT) 952 const_iv (PANIC_ENVIRONMENT)
946 const_iv (REGION_INIT) 953 const_iv (REGION_INIT)
947 const_iv (TIME_NOTGRANTED) 954 const_iv (TIME_NOTGRANTED)
948 const_iv (TXN_NOSYNC) 955 const_iv (TXN_NOSYNC)
949 const_iv (TXN_SNAPSHOT)
950 const_iv (TXN_WRITE_NOSYNC) 956 const_iv (TXN_WRITE_NOSYNC)
951 const_iv (WRITECURSOR) 957 const_iv (WRITECURSOR)
952 const_iv (YIELDCPU) 958 const_iv (YIELDCPU)
953 const_iv (ENCRYPT_AES) 959 const_iv (ENCRYPT_AES)
954 const_iv (XA_CREATE) 960 const_iv (XA_CREATE)
… …
997 const_iv (APPEND) 1003 const_iv (APPEND)
998 const_iv (NODUPDATA) 1004 const_iv (NODUPDATA)
999 const_iv (NOOVERWRITE) 1005 const_iv (NOOVERWRITE)
1000 1006
1001 const_iv (TXN_NOWAIT) 1007 const_iv (TXN_NOWAIT)
1002 const_iv (TXN_SNAPSHOT)
1003 const_iv (TXN_SYNC) 1008 const_iv (TXN_SYNC)
1004 1009
1005 const_iv (SET_LOCK_TIMEOUT) 1010 const_iv (SET_LOCK_TIMEOUT)
1006 const_iv (SET_TXN_TIMEOUT) 1011 const_iv (SET_TXN_TIMEOUT)
1007 1012
… …
1035 const_iv (LOCK_YOUNGEST) 1040 const_iv (LOCK_YOUNGEST)
1036 1041
1037 const_iv (SEQ_DEC) 1042 const_iv (SEQ_DEC)
1038 const_iv (SEQ_INC) 1043 const_iv (SEQ_INC)
1039 const_iv (SEQ_WRAP) 1044 const_iv (SEQ_WRAP)
1045
1046 const_iv (BUFFER_SMALL)
1047 const_iv (DONOTINDEX)
1048 const_iv (KEYEMPTY )
1049 const_iv (KEYEXIST )
1050 const_iv (LOCK_DEADLOCK)
1051 const_iv (LOCK_NOTGRANTED)
1052 const_iv (LOG_BUFFER_FULL)
1053 const_iv (NOSERVER)
1054 const_iv (NOSERVER_HOME)
1055 const_iv (NOSERVER_ID)
1056 const_iv (NOTFOUND)
1057 const_iv (OLD_VERSION)
1058 const_iv (PAGE_NOTFOUND)
1059 const_iv (REP_DUPMASTER)
1060 const_iv (REP_HANDLE_DEAD)
1061 const_iv (REP_HOLDELECTION)
1062 const_iv (REP_IGNORE)
1063 const_iv (REP_ISPERM)
1064 const_iv (REP_JOIN_FAILURE)
1065 const_iv (REP_LOCKOUT)
1066 const_iv (REP_NEWMASTER)
1067 const_iv (REP_NEWSITE)
1068 const_iv (REP_NOTPERM)
1069 const_iv (REP_UNAVAIL)
1070 const_iv (RUNRECOVERY)
1071 const_iv (SECONDARY_BAD)
1072 const_iv (VERIFY_BAD)
1073 const_iv (VERSION_MISMATCH)
1074
1075 const_iv (VERB_DEADLOCK)
1076 const_iv (VERB_RECOVERY)
1077 const_iv (VERB_REGISTER)
1078 const_iv (VERB_REPLICATION)
1079 const_iv (VERB_WAITSFOR)
1080
1081 const_iv (VERSION_MAJOR)
1082 const_iv (VERSION_MINOR)
1083 const_iv (VERSION_PATCH)
1084#if DB_VERSION_MINOR >= 5
1085 const_iv (MULTIVERSION)
1086 const_iv (TXN_SNAPSHOT)
1087#endif
1088#if DB_VERSION_MINOR >= 6
1089 const_iv (PREV_DUP)
1090# if 0
1091 const_iv (PRIORITY_UNCHANGED)
1092 const_iv (PRIORITY_VERY_LOW)
1093 const_iv (PRIORITY_LOW)
1094 const_iv (PRIORITY_DEFAULT)
1095 const_iv (PRIORITY_HIGH)
1096 const_iv (PRIORITY_VERY_HIGH)
1097# endif
1098#endif
1040 }; 1099 };
1041 1100
1042 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1101 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1102 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044 1103
1045 create_pipe (); 1104 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1105 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1106
1107 create_pipe (respipe);
1108
1046 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1109 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1110#ifdef _WIN32
1111 X_MUTEX_CHECK (wrklock);
1112 X_MUTEX_CHECK (reslock);
1113 X_MUTEX_CHECK (reqlock);
1114
1115 X_COND_CHECK (reqwait);
1116#endif
1047} 1117}
1048 1118
1049void 1119void
1050max_poll_reqs (int nreqs) 1120max_poll_reqs (int nreqs)
1051 PROTOTYPE: $ 1121 PROTOTYPE: $
… …
1170 1240
1171int 1241int
1172nthreads () 1242nthreads ()
1173 PROTOTYPE: 1243 PROTOTYPE:
1174 CODE: 1244 CODE:
1175 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1245 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176 RETVAL = started; 1246 RETVAL = started;
1177 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1247 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178 OUTPUT: 1248 OUTPUT:
1179 RETVAL 1249 RETVAL
1180 1250
1181void 1251void
1182set_sync_prepare (SV *cb) 1252set_sync_prepare (SV *cb)
1183 PROTOTYPE: & 1253 PROTOTYPE: &
1184 CODE: 1254 CODE:
1185 SvREFCNT_dec (prepare_cb); 1255 SvREFCNT_dec (prepare_cb);
1186 prepare_cb = newSVsv (cb); 1256 prepare_cb = newSVsv (cb);
1187 1257
1258char *
1259strerror (int errorno = errno)
1260 PROTOTYPE: ;$
1261 CODE:
1262 RETVAL = db_strerror (errorno);
1263 OUTPUT:
1264 RETVAL
1188 1265
1189DB_ENV * 1266DB_ENV *
1190db_env_create (U32 env_flags = 0) 1267db_env_create (U32 env_flags = 0)
1191 CODE: 1268 CODE:
1192{ 1269{
1193 errno = db_env_create (&RETVAL, env_flags); 1270 errno = db_env_create (&RETVAL, env_flags);
1194 if (errno) 1271 if (errno)
1195 croak ("db_env_create: %s", db_strerror (errno)); 1272 croak ("db_env_create: %s", db_strerror (errno));
1273
1274 if (0)
1275 {
1276 RETVAL->set_errcall (RETVAL, debug_errcall);
1277 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1278 }
1196} 1279}
1197 OUTPUT: 1280 OUTPUT:
1198 RETVAL 1281 RETVAL
1199 1282
1200void 1283void
1201db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1284db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1202 CODE: 1285 CODE:
1203{ 1286{
1204 env->set_thread_count (env, get_nthreads ());
1205
1206 dREQ (REQ_ENV_OPEN); 1287 dREQ (REQ_ENV_OPEN);
1288
1289 env->set_thread_count (env, wanted + 2);
1290
1207 req->env = env; 1291 req->env = env;
1208 req->uint1 = open_flags | DB_THREAD; 1292 req->uint1 = open_flags | DB_THREAD;
1209 req->int1 = mode; 1293 req->int1 = mode;
1210 req->buf1 = strdup_ornull (db_home); 1294 req->buf1 = strdup_ornull (db_home);
1211 REQ_SEND; 1295 REQ_SEND;
… …
1603 CODE: 1687 CODE:
1604 RETVAL = env->set_flags (env, flags, onoff); 1688 RETVAL = env->set_flags (env, flags, onoff);
1605 OUTPUT: 1689 OUTPUT:
1606 RETVAL 1690 RETVAL
1607 1691
1692void set_errfile (DB_ENV *env, FILE *errfile = 0)
1693 CODE:
1694 env->set_errfile (env, errfile);
1695
1696void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1697 CODE:
1698 env->set_msgfile (env, msgfile);
1699
1700int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1701 CODE:
1702 RETVAL = env->set_verbose (env, which, onoff);
1703 OUTPUT:
1704 RETVAL
1705
1608int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1706int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609 CODE: 1707 CODE:
1610 RETVAL = env->set_encrypt (env, password, flags); 1708 RETVAL = env->set_encrypt (env, password, flags);
1611 OUTPUT: 1709 OUTPUT:
1612 RETVAL 1710 RETVAL
… …
1696 CODE: 1794 CODE:
1697 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1795 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698 OUTPUT: 1796 OUTPUT:
1699 RETVAL 1797 RETVAL
1700 1798
1701int set_flags (DB *db, U32 flags); 1799int set_flags (DB *db, U32 flags)
1702 CODE: 1800 CODE:
1703 RETVAL = db->set_flags (db, flags); 1801 RETVAL = db->set_flags (db, flags);
1704 OUTPUT: 1802 OUTPUT:
1705 RETVAL 1803 RETVAL
1706 1804
… …
1720 CODE: 1818 CODE:
1721 RETVAL = db->set_bt_minkey (db, minkey); 1819 RETVAL = db->set_bt_minkey (db, minkey);
1722 OUTPUT: 1820 OUTPUT:
1723 RETVAL 1821 RETVAL
1724 1822
1725int set_re_delim(DB *db, int delim); 1823int set_re_delim (DB *db, int delim)
1726 CODE: 1824 CODE:
1727 RETVAL = db->set_re_delim (db, delim); 1825 RETVAL = db->set_re_delim (db, delim);
1728 OUTPUT: 1826 OUTPUT:
1729 RETVAL 1827 RETVAL
1730 1828

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