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Comparing BDB/BDB.xs (file contents):
Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs.
Revision 1.13 by root, Sun Jul 8 11:12:12 2007 UTC

… …
4 4
5#include "EXTERN.h" 5#include "EXTERN.h"
6#include "perl.h" 6#include "perl.h"
7#include "XSUB.h" 7#include "XSUB.h"
8 8
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
17
9#include <stddef.h> 18#include <stddef.h>
10#include <stdlib.h> 19#include <stdlib.h>
11#include <errno.h> 20#include <errno.h>
12#include <sys/time.h>
13#include <sys/types.h> 21#include <sys/types.h>
14#include <limits.h> 22#include <limits.h>
15#include <unistd.h>
16#include <fcntl.h> 23#include <fcntl.h>
17 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
18#include <db.h> 30#include <db.h>
19 31
20#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)
21# error you need Berkeley DB 4.5 or newer installed 33# error you need Berkeley DB 4.4 or newer installed
22#endif 34#endif
23 35
24/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
25#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
26 38
… …
33typedef SV SV8; /* byte-sv, used for argument-checking */ 45typedef SV SV8; /* byte-sv, used for argument-checking */
34typedef char *octetstring; 46typedef char *octetstring;
35 47
36static SV *prepare_cb; 48static SV *prepare_cb;
37 49
38static inline char * 50static char *
39strdup_ornull (const char *s) 51strdup_ornull (const char *s)
40{ 52{
41 return s ? strdup (s) : 0; 53 return s ? strdup (s) : 0;
42} 54}
43 55
44static inline void 56static void
45sv_to_dbt (DBT *dbt, SV *sv) 57sv_to_dbt (DBT *dbt, SV *sv)
46{ 58{
47 STRLEN len; 59 STRLEN len;
48 char *data = SvPVbyte (sv, len); 60 char *data = SvPVbyte (sv, len);
49 61
… …
51 memcpy (dbt->data, data, len); 63 memcpy (dbt->data, data, len);
52 dbt->size = len; 64 dbt->size = len;
53 dbt->flags = DB_DBT_REALLOC; 65 dbt->flags = DB_DBT_REALLOC;
54} 66}
55 67
56static inline void 68static void
57dbt_to_sv (SV *sv, DBT *dbt) 69dbt_to_sv (SV *sv, DBT *dbt)
58{ 70{
59 if (sv) 71 if (sv)
60 { 72 {
61 SvREADONLY_off (sv); 73 SvREADONLY_off (sv);
… …
126static int next_pri = DEFAULT_PRI + PRI_BIAS; 138static int next_pri = DEFAULT_PRI + PRI_BIAS;
127 139
128static unsigned int started, idle, wanted; 140static unsigned int started, idle, wanted;
129 141
130/* worker threads management */ 142/* worker threads management */
131static mutex_t wrklock = MUTEX_INIT; 143static mutex_t wrklock = X_MUTEX_INIT;
132 144
133typedef struct worker { 145typedef struct worker {
134 /* locked by wrklock */ 146 /* locked by wrklock */
135 struct worker *prev, *next; 147 struct worker *prev, *next;
136 148
… …
157} 169}
158 170
159static volatile unsigned int nreqs, nready, npending; 171static volatile unsigned int nreqs, nready, npending;
160static volatile unsigned int max_idle = 4; 172static volatile unsigned int max_idle = 4;
161static volatile unsigned int max_outstanding = 0xffffffff; 173static volatile unsigned int max_outstanding = 0xffffffff;
162static int respipe [2]; 174static int respipe [2], respipe_osf [2];
163 175
164static mutex_t reslock = MUTEX_INIT; 176static mutex_t reslock = X_MUTEX_INIT;
165static mutex_t reqlock = MUTEX_INIT; 177static mutex_t reqlock = X_MUTEX_INIT;
166static cond_t reqwait = COND_INIT; 178static cond_t reqwait = X_COND_INIT;
167 179
168#if WORDACCESS_UNSAFE 180#if WORDACCESS_UNSAFE
169 181
170static unsigned int get_nready () 182static unsigned int get_nready ()
171{ 183{
172 unsigned int retval; 184 unsigned int retval;
173 185
174 LOCK (reqlock); 186 X_LOCK (reqlock);
175 retval = nready; 187 retval = nready;
176 UNLOCK (reqlock); 188 X_UNLOCK (reqlock);
177 189
178 return retval; 190 return retval;
179} 191}
180 192
181static unsigned int get_npending () 193static unsigned int get_npending ()
182{ 194{
183 unsigned int retval; 195 unsigned int retval;
184 196
185 LOCK (reslock); 197 X_LOCK (reslock);
186 retval = npending; 198 retval = npending;
187 UNLOCK (reslock); 199 X_UNLOCK (reslock);
188 200
189 return retval; 201 return retval;
190} 202}
191 203
192static unsigned int get_nthreads () 204static unsigned int get_nthreads ()
193{ 205{
194 unsigned int retval; 206 unsigned int retval;
195 207
196 LOCK (wrklock); 208 X_LOCK (wrklock);
197 retval = started; 209 retval = started;
198 UNLOCK (wrklock); 210 X_UNLOCK (wrklock);
199 211
200 return retval; 212 return retval;
201} 213}
202 214
203#else 215#else
… …
338 free (req->buf1); 350 free (req->buf1);
339 free (req->buf2); 351 free (req->buf2);
340 Safefree (req); 352 Safefree (req);
341} 353}
342 354
343static void *aio_proc (void *arg); 355#ifdef USE_SOCKETS_AS_HANDLES
356# define TO_SOCKET(x) (win32_get_osfhandle (x))
357#else
358# define TO_SOCKET(x) (x)
359#endif
360
361static void
362create_pipe (int fd[2])
363{
364#ifdef _WIN32
365 int arg = 1;
366 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
367 || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
368 || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
369#else
370 if (pipe (fd)
371 || fcntl (fd [0], F_SETFL, O_NONBLOCK)
372 || fcntl (fd [1], F_SETFL, O_NONBLOCK))
373#endif
374 croak ("unable to initialize result pipe");
375
376 respipe_osf [0] = TO_SOCKET (respipe [0]);
377 respipe_osf [1] = TO_SOCKET (respipe [1]);
378}
379
380X_THREAD_PROC (bdb_proc);
344 381
345static void start_thread (void) 382static void start_thread (void)
346{ 383{
347 worker *wrk = calloc (1, sizeof (worker)); 384 worker *wrk = calloc (1, sizeof (worker));
348 385
349 if (!wrk) 386 if (!wrk)
350 croak ("unable to allocate worker thread data"); 387 croak ("unable to allocate worker thread data");
351 388
352 LOCK (wrklock); 389 X_LOCK (wrklock);
353 if (thread_create (&wrk->tid, aio_proc, (void *)wrk)) 390 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354 { 391 {
355 wrk->prev = &wrk_first; 392 wrk->prev = &wrk_first;
356 wrk->next = wrk_first.next; 393 wrk->next = wrk_first.next;
357 wrk_first.next->prev = wrk; 394 wrk_first.next->prev = wrk;
358 wrk_first.next = wrk; 395 wrk_first.next = wrk;
359 ++started; 396 ++started;
360 } 397 }
361 else 398 else
362 free (wrk); 399 free (wrk);
363 400
364 UNLOCK (wrklock); 401 X_UNLOCK (wrklock);
365} 402}
366 403
367static void maybe_start_thread () 404static void maybe_start_thread ()
368{ 405{
369 if (get_nthreads () >= wanted) 406 if (get_nthreads () >= wanted)
… …
381 SV *wait_callback = 0; 418 SV *wait_callback = 0;
382 419
383 // synthesize callback if none given 420 // synthesize callback if none given
384 if (!SvOK (req->callback)) 421 if (!SvOK (req->callback))
385 { 422 {
423 int count;
424
386 dSP; 425 dSP;
387 PUSHMARK (SP); 426 PUSHMARK (SP);
388 PUTBACK; 427 PUTBACK;
389 int count = call_sv (prepare_cb, G_ARRAY); 428 count = call_sv (prepare_cb, G_ARRAY);
390 SPAGAIN; 429 SPAGAIN;
391 430
392 if (count != 2) 431 if (count != 2)
393 croak ("prepare callback must return exactly two values\n"); 432 croak ("prepare callback must return exactly two values\n");
394 433
… …
397 req->callback = SvREFCNT_inc (POPs); 436 req->callback = SvREFCNT_inc (POPs);
398 } 437 }
399 438
400 ++nreqs; 439 ++nreqs;
401 440
402 LOCK (reqlock); 441 X_LOCK (reqlock);
403 ++nready; 442 ++nready;
404 reqq_push (&req_queue, req); 443 reqq_push (&req_queue, req);
405 COND_SIGNAL (reqwait); 444 X_COND_SIGNAL (reqwait);
406 UNLOCK (reqlock); 445 X_UNLOCK (reqlock);
407 446
408 maybe_start_thread (); 447 maybe_start_thread ();
409 448
410 if (wait_callback) 449 if (wait_callback)
411 { 450 {
… …
424 Newz (0, req, 1, aio_cb); 463 Newz (0, req, 1, aio_cb);
425 464
426 req->type = REQ_QUIT; 465 req->type = REQ_QUIT;
427 req->pri = PRI_MAX + PRI_BIAS; 466 req->pri = PRI_MAX + PRI_BIAS;
428 467
429 LOCK (reqlock); 468 X_LOCK (reqlock);
430 reqq_push (&req_queue, req); 469 reqq_push (&req_queue, req);
431 COND_SIGNAL (reqwait); 470 X_COND_SIGNAL (reqwait);
432 UNLOCK (reqlock); 471 X_UNLOCK (reqlock);
433 472
434 LOCK (wrklock); 473 X_LOCK (wrklock);
435 --started; 474 --started;
436 UNLOCK (wrklock); 475 X_UNLOCK (wrklock);
437} 476}
438 477
439static void set_max_idle (int nthreads) 478static void set_max_idle (int nthreads)
440{ 479{
441 if (WORDACCESS_UNSAFE) LOCK (reqlock); 480 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442 max_idle = nthreads <= 0 ? 1 : nthreads; 481 max_idle = nthreads <= 0 ? 1 : nthreads;
443 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 482 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444} 483}
445 484
446static void min_parallel (int nthreads) 485static void min_parallel (int nthreads)
447{ 486{
448 if (wanted < nthreads) 487 if (wanted < nthreads)
… …
463 fd_set rfd; 502 fd_set rfd;
464 503
465 while (nreqs) 504 while (nreqs)
466 { 505 {
467 int size; 506 int size;
468 if (WORDACCESS_UNSAFE) LOCK (reslock); 507 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469 size = res_queue.size; 508 size = res_queue.size;
470 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 509 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471 510
472 if (size) 511 if (size)
473 return; 512 return;
474 513
475 maybe_start_thread (); 514 maybe_start_thread ();
476 515
477 FD_ZERO(&rfd); 516 FD_ZERO (&rfd);
478 FD_SET(respipe [0], &rfd); 517 FD_SET (respipe [0], &rfd);
479 518
480 select (respipe [0] + 1, &rfd, 0, 0, 0); 519 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481 } 520 }
482} 521}
483 522
484static int poll_cb () 523static int poll_cb ()
485{ 524{
… …
497 { 536 {
498 for (;;) 537 for (;;)
499 { 538 {
500 maybe_start_thread (); 539 maybe_start_thread ();
501 540
502 LOCK (reslock); 541 X_LOCK (reslock);
503 req = reqq_shift (&res_queue); 542 req = reqq_shift (&res_queue);
504 543
505 if (req) 544 if (req)
506 { 545 {
507 --npending; 546 --npending;
508 547
509 if (!res_queue.size) 548 if (!res_queue.size)
510 { 549 {
511 /* read any signals sent by the worker threads */ 550 /* read any signals sent by the worker threads */
512 char buf [4]; 551 char buf [4];
513 while (read (respipe [0], buf, 4) == 4) 552 while (respipe_read (respipe [0], buf, 4) == 4)
514 ; 553 ;
515 } 554 }
516 } 555 }
517 556
518 UNLOCK (reslock); 557 X_UNLOCK (reslock);
519 558
520 if (!req) 559 if (!req)
521 break; 560 break;
522 561
523 --nreqs; 562 --nreqs;
… …
553 } 592 }
554 593
555 return count; 594 return count;
556} 595}
557 596
558static void create_pipe ()
559{
560 if (pipe (respipe))
561 croak ("unable to initialize result pipe");
562
563 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
564 croak ("cannot set result pipe to nonblocking mode");
565
566 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
567 croak ("cannot set result pipe to nonblocking mode");
568}
569
570/*****************************************************************************/ 597/*****************************************************************************/
571 598
572static void *aio_proc (void *thr_arg) 599X_THREAD_PROC (bdb_proc)
573{ 600{
574 aio_req req; 601 aio_req req;
575 struct timespec ts; 602 struct timespec ts;
576 worker *self = (worker *)thr_arg; 603 worker *self = (worker *)thr_arg;
577 604
578 /* try to distribute timeouts somewhat evenly */ 605 /* try to distribute timeouts somewhat evenly */
579 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 606 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580 * (1000000000UL / 1024UL);
581 607
582 for (;;) 608 for (;;)
583 { 609 {
584 ts.tv_sec = time (0) + IDLE_TIMEOUT; 610 ts.tv_sec = time (0) + IDLE_TIMEOUT;
585 611
586 LOCK (reqlock); 612 X_LOCK (reqlock);
587 613
588 for (;;) 614 for (;;)
589 { 615 {
590 self->req = req = reqq_shift (&req_queue); 616 self->req = req = reqq_shift (&req_queue);
591 617
592 if (req) 618 if (req)
593 break; 619 break;
594 620
595 ++idle; 621 ++idle;
596 622
597 if (COND_TIMEDWAIT (reqwait, reqlock, ts) 623 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598 == ETIMEDOUT) 624 == ETIMEDOUT)
599 { 625 {
600 if (idle > max_idle) 626 if (idle > max_idle)
601 { 627 {
602 --idle; 628 --idle;
603 UNLOCK (reqlock); 629 X_UNLOCK (reqlock);
604 LOCK (wrklock); 630 X_LOCK (wrklock);
605 --started; 631 --started;
606 UNLOCK (wrklock); 632 X_UNLOCK (wrklock);
607 goto quit; 633 goto quit;
608 } 634 }
609 635
610 /* we are allowed to idle, so do so without any timeout */ 636 /* we are allowed to idle, so do so without any timeout */
611 COND_WAIT (reqwait, reqlock); 637 X_COND_WAIT (reqwait, reqlock);
612 ts.tv_sec = time (0) + IDLE_TIMEOUT; 638 ts.tv_sec = time (0) + IDLE_TIMEOUT;
613 } 639 }
614 640
615 --idle; 641 --idle;
616 } 642 }
617 643
618 --nready; 644 --nready;
619 645
620 UNLOCK (reqlock); 646 X_UNLOCK (reqlock);
621 647
622 switch (req->type) 648 switch (req->type)
623 { 649 {
624 case REQ_QUIT: 650 case REQ_QUIT:
625 goto quit; 651 goto quit;
… …
739 default: 765 default:
740 req->result = ENOSYS; 766 req->result = ENOSYS;
741 break; 767 break;
742 } 768 }
743 769
744 LOCK (reslock); 770 X_LOCK (reslock);
745 771
746 ++npending; 772 ++npending;
747 773
748 if (!reqq_push (&res_queue, req)) 774 if (!reqq_push (&res_queue, req))
749 /* write a dummy byte to the pipe so fh becomes ready */ 775 /* write a dummy byte to the pipe so fh becomes ready */
750 write (respipe [1], &respipe, 1); 776 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751 777
752 self->req = 0; 778 self->req = 0;
753 worker_clear (self); 779 worker_clear (self);
754 780
755 UNLOCK (reslock); 781 X_UNLOCK (reslock);
756 } 782 }
757 783
758quit: 784quit:
759 LOCK (wrklock); 785 X_LOCK (wrklock);
760 worker_free (self); 786 worker_free (self);
761 UNLOCK (wrklock); 787 X_UNLOCK (wrklock);
762 788
763 return 0; 789 return 0;
764} 790}
765 791
766/*****************************************************************************/ 792/*****************************************************************************/
767 793
768static void atfork_prepare (void) 794static void atfork_prepare (void)
769{ 795{
770 LOCK (wrklock); 796 X_LOCK (wrklock);
771 LOCK (reqlock); 797 X_LOCK (reqlock);
772 LOCK (reslock); 798 X_LOCK (reslock);
773} 799}
774 800
775static void atfork_parent (void) 801static void atfork_parent (void)
776{ 802{
777 UNLOCK (reslock); 803 X_UNLOCK (reslock);
778 UNLOCK (reqlock); 804 X_UNLOCK (reqlock);
779 UNLOCK (wrklock); 805 X_UNLOCK (wrklock);
780} 806}
781 807
782static void atfork_child (void) 808static void atfork_child (void)
783{ 809{
784 aio_req prv; 810 aio_req prv;
… …
804 idle = 0; 830 idle = 0;
805 nreqs = 0; 831 nreqs = 0;
806 nready = 0; 832 nready = 0;
807 npending = 0; 833 npending = 0;
808 834
809 close (respipe [0]); 835 respipe_close (respipe [0]);
810 close (respipe [1]); 836 respipe_close (respipe [1]);
837
811 create_pipe (); 838 create_pipe (respipe);
812 839
813 atfork_parent (); 840 atfork_parent ();
814} 841}
815 842
816#define dREQ(reqtype) \ 843#define dREQ(reqtype) \
… …
895 const_iv (DSYNC_DB) 922 const_iv (DSYNC_DB)
896 const_iv (DSYNC_LOG) 923 const_iv (DSYNC_LOG)
897 const_iv (LOG_AUTOREMOVE) 924 const_iv (LOG_AUTOREMOVE)
898 const_iv (LOG_INMEMORY) 925 const_iv (LOG_INMEMORY)
899 const_iv (NOLOCKING) 926 const_iv (NOLOCKING)
900 const_iv (MULTIVERSION)
901 const_iv (NOMMAP) 927 const_iv (NOMMAP)
902 const_iv (NOPANIC) 928 const_iv (NOPANIC)
903 const_iv (OVERWRITE) 929 const_iv (OVERWRITE)
904 const_iv (PANIC_ENVIRONMENT) 930 const_iv (PANIC_ENVIRONMENT)
905 const_iv (REGION_INIT) 931 const_iv (REGION_INIT)
906 const_iv (TIME_NOTGRANTED) 932 const_iv (TIME_NOTGRANTED)
907 const_iv (TXN_NOSYNC) 933 const_iv (TXN_NOSYNC)
908 const_iv (TXN_SNAPSHOT)
909 const_iv (TXN_WRITE_NOSYNC) 934 const_iv (TXN_WRITE_NOSYNC)
910 const_iv (WRITECURSOR) 935 const_iv (WRITECURSOR)
911 const_iv (YIELDCPU) 936 const_iv (YIELDCPU)
912 const_iv (ENCRYPT_AES) 937 const_iv (ENCRYPT_AES)
913 const_iv (XA_CREATE) 938 const_iv (XA_CREATE)
… …
956 const_iv (APPEND) 981 const_iv (APPEND)
957 const_iv (NODUPDATA) 982 const_iv (NODUPDATA)
958 const_iv (NOOVERWRITE) 983 const_iv (NOOVERWRITE)
959 984
960 const_iv (TXN_NOWAIT) 985 const_iv (TXN_NOWAIT)
961 const_iv (TXN_SNAPSHOT)
962 const_iv (TXN_SYNC) 986 const_iv (TXN_SYNC)
963 987
964 const_iv (SET_LOCK_TIMEOUT) 988 const_iv (SET_LOCK_TIMEOUT)
965 const_iv (SET_TXN_TIMEOUT) 989 const_iv (SET_TXN_TIMEOUT)
966 990
… …
994 const_iv (LOCK_YOUNGEST) 1018 const_iv (LOCK_YOUNGEST)
995 1019
996 const_iv (SEQ_DEC) 1020 const_iv (SEQ_DEC)
997 const_iv (SEQ_INC) 1021 const_iv (SEQ_INC)
998 const_iv (SEQ_WRAP) 1022 const_iv (SEQ_WRAP)
1023#if DB_VERSION_MINOR >= 5
1024 const_iv (MULTIVERSION)
1025 const_iv (TXN_SNAPSHOT)
1026#endif
999 }; 1027 };
1000 1028
1001 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1029 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1030 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003 1031
1004 create_pipe (); 1032 create_pipe (respipe);
1033
1005 ATFORK (atfork_prepare, atfork_parent, atfork_child); 1034 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1035#ifdef _WIN32
1036 X_MUTEX_CHECK (wrklock);
1037 X_MUTEX_CHECK (reslock);
1038 X_MUTEX_CHECK (reqlock);
1039
1040 X_COND_CHECK (reqwait);
1041#endif
1006} 1042}
1007 1043
1008void 1044void
1009max_poll_reqs (int nreqs) 1045max_poll_reqs (int nreqs)
1010 PROTOTYPE: $ 1046 PROTOTYPE: $
… …
1129 1165
1130int 1166int
1131nthreads () 1167nthreads ()
1132 PROTOTYPE: 1168 PROTOTYPE:
1133 CODE: 1169 CODE:
1134 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1170 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135 RETVAL = started; 1171 RETVAL = started;
1136 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1172 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137 OUTPUT: 1173 OUTPUT:
1138 RETVAL 1174 RETVAL
1139 1175
1140void 1176void
1141set_sync_prepare (SV *cb) 1177set_sync_prepare (SV *cb)
… …
1158 1194
1159void 1195void
1160db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1196db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1161 CODE: 1197 CODE:
1162{ 1198{
1199 dREQ (REQ_ENV_OPEN);
1200
1163 env->set_thread_count (env, get_nthreads ()); 1201 env->set_thread_count (env, get_nthreads ());
1164 1202
1165 dREQ (REQ_ENV_OPEN);
1166 req->env = env; 1203 req->env = env;
1167 req->uint1 = open_flags | DB_THREAD; 1204 req->uint1 = open_flags | DB_THREAD;
1168 req->int1 = mode; 1205 req->int1 = mode;
1169 req->buf1 = strdup_ornull (db_home); 1206 req->buf1 = strdup_ornull (db_home);
1170 REQ_SEND; 1207 REQ_SEND;

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