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Comparing BDB/BDB.xs (file contents):
Revision 1.1 by root, Mon Feb 5 18:40:55 2007 UTC vs.
Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC

18 18
19#include <stddef.h> 19#include <stddef.h>
20#include <stdlib.h> 20#include <stdlib.h>
21#include <errno.h> 21#include <errno.h>
22#include <sys/time.h> 22#include <sys/time.h>
23#include <sys/select.h>
24#include <sys/types.h> 23#include <sys/types.h>
25#include <sys/stat.h>
26#include <limits.h> 24#include <limits.h>
27#include <unistd.h> 25#include <unistd.h>
28#include <fcntl.h> 26#include <fcntl.h>
29#include <signal.h> 27
30#include <sched.h> 28#include <db.h>
31 29
32/* number of seconds after which idle threads exit */ 30/* number of seconds after which idle threads exit */
33#define IDLE_TIMEOUT 10 31#define IDLE_TIMEOUT 10
34 32
35/* wether word reads are potentially non-atomic. 33/* wether word reads are potentially non-atomic.
42# else 40# else
43# define WORDACCESS_UNSAFE 1 41# define WORDACCESS_UNSAFE 1
44# endif 42# endif
45#endif 43#endif
46 44
45typedef DB_ENV DB_ENV_ornull;
46typedef DB_TXN DB_TXN_ornull;
47typedef DBC DBC_ornull;
48typedef DB DB_ornull;
49typedef DB_SEQUENCE DB_SEQUENCE_ornull;
50
47typedef SV SV8; /* byte-sv, used for argument-checking */ 51typedef SV SV8; /* byte-sv, used for argument-checking */
52typedef char *octetstring;
48 53
54static SV *prepare_cb;
55
56static inline char *
57strdup_ornull (const char *s)
58{
59 return s ? strdup (s) : 0;
60}
61
62static inline void
63sv_to_dbt (DBT *dbt, SV *sv)
64{
65 STRLEN len;
66 char *data = SvPVbyte (sv, len);
67
68 dbt->data = malloc (len);
69 memcpy (dbt->data, data, len);
70 dbt->size = len;
71 dbt->flags = DB_DBT_REALLOC;
72}
73
74static inline void
75dbt_to_sv (SV *sv, DBT *dbt)
76{
77 if (sv)
78 {
79 SvREADONLY_off (sv);
80 sv_setpvn_mg (sv, dbt->data, dbt->size);
81 SvREFCNT_dec (sv);
82 }
83
84 free (dbt->data);
85}
86
49enum { 87enum {
50 REQ_QUIT, 88 REQ_QUIT,
89 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
90 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
91 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
92 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
93 REQ_TXN_COMMIT, REQ_TXN_ABORT,
94 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
95 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
51}; 96};
52 97
53#define AIO_CB \
54 struct aio_cb *volatile next; \
55 SV *callback; \
56 int type, pri
57
58typedef struct aio_cb 98typedef struct aio_cb
59{ 99{
60 AIO_CB; 100 struct aio_cb *volatile next;
101 SV *callback;
102 int type, pri, result;
103
104 DB_ENV *env;
105 DB *db;
106 DB_TXN *txn;
107 DBC *dbc;
108
109 UV uv1;
110 int int1, int2;
111 U32 uint1, uint2;
112 char *buf1, *buf2;
113 SV *sv1, *sv2, *sv3;
114
115 DBT dbt1, dbt2, dbt3;
116 DB_KEY_RANGE key_range;
117 DB_SEQUENCE *seq;
118 db_seq_t seq_t;
61} aio_cb; 119} aio_cb;
62 120
63typedef aio_cb *aio_req; 121typedef aio_cb *aio_req;
64 122
65enum { 123enum {
230 288
231 abort (); 289 abort ();
232} 290}
233 291
234static int poll_cb (); 292static int poll_cb ();
235static int req_invoke (aio_req req);
236static void req_free (aio_req req); 293static void req_free (aio_req req);
237static void req_cancel (aio_req req); 294static void req_cancel (aio_req req);
238 295
239static int req_invoke (aio_req req) 296static int req_invoke (aio_req req)
240{ 297{
243 if (SvOK (req->callback)) 300 if (SvOK (req->callback))
244 { 301 {
245 ENTER; 302 ENTER;
246 SAVETMPS; 303 SAVETMPS;
247 PUSHMARK (SP); 304 PUSHMARK (SP);
248 EXTEND (SP, 1);
249 305
250 switch (req->type) 306 switch (req->type)
251 { 307 {
308 case REQ_DB_CLOSE:
309 SvREFCNT_dec (req->sv1);
310 break;
311
312 case REQ_DB_GET:
313 case REQ_DB_PGET:
314 dbt_to_sv (req->sv3, &req->dbt3);
315 break;
316
317 case REQ_C_GET:
318 case REQ_C_PGET:
319 dbt_to_sv (req->sv1, &req->dbt1);
320 dbt_to_sv (req->sv2, &req->dbt2);
321 dbt_to_sv (req->sv3, &req->dbt3);
322 break;
323
324 case REQ_DB_KEY_RANGE:
325 {
326 AV *av = newAV ();
327
328 av_push (av, newSVnv (req->key_range.less));
329 av_push (av, newSVnv (req->key_range.equal));
330 av_push (av, newSVnv (req->key_range.greater));
331
332 SvREADONLY_off (req->sv1);
333 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
334 SvREFCNT_dec (req->sv1);
335 }
336 break;
337
338 case REQ_SEQ_GET:
339 SvREADONLY_off (req->sv1);
340
341 if (sizeof (IV) > 4)
342 sv_setiv_mg (req->sv1, req->seq_t);
343 else
344 sv_setnv_mg (req->sv1, req->seq_t);
345
346 SvREFCNT_dec (req->sv1);
347 break;
252 } 348 }
349
350 errno = req->result;
253 351
254 PUTBACK; 352 PUTBACK;
255 call_sv (req->callback, G_VOID | G_EVAL); 353 call_sv (req->callback, G_VOID | G_EVAL);
256 SPAGAIN; 354 SPAGAIN;
257 355
262 return !SvTRUE (ERRSV); 360 return !SvTRUE (ERRSV);
263} 361}
264 362
265static void req_free (aio_req req) 363static void req_free (aio_req req)
266{ 364{
365 free (req->buf1);
366 free (req->buf2);
267 Safefree (req); 367 Safefree (req);
268} 368}
269 369
270static void *aio_proc(void *arg); 370static void *aio_proc (void *arg);
271 371
272static void start_thread (void) 372static void start_thread (void)
273{ 373{
274 sigset_t fullsigset, oldsigset; 374 sigset_t fullsigset, oldsigset;
275 pthread_attr_t attr; 375 pthread_attr_t attr;
317 start_thread (); 417 start_thread ();
318} 418}
319 419
320static void req_send (aio_req req) 420static void req_send (aio_req req)
321{ 421{
422 SV *wait_callback = 0;
423
424 // synthesize callback if none given
425 if (!SvOK (req->callback))
426 {
427 dSP;
428 PUSHMARK (SP);
429 PUTBACK;
430 int count = call_sv (prepare_cb, G_ARRAY);
431 SPAGAIN;
432
433 if (count != 2)
434 croak ("prepare callback must return exactly two values\n");
435
436 wait_callback = SvREFCNT_inc (POPs);
437 SvREFCNT_dec (req->callback);
438 req->callback = SvREFCNT_inc (POPs);
439 }
440
322 ++nreqs; 441 ++nreqs;
323 442
324 LOCK (reqlock); 443 LOCK (reqlock);
325 ++nready; 444 ++nready;
326 reqq_push (&req_queue, req); 445 reqq_push (&req_queue, req);
327 pthread_cond_signal (&reqwait); 446 pthread_cond_signal (&reqwait);
328 UNLOCK (reqlock); 447 UNLOCK (reqlock);
329 448
330 maybe_start_thread (); 449 maybe_start_thread ();
450
451 if (wait_callback)
452 {
453 dSP;
454 PUSHMARK (SP);
455 PUTBACK;
456 call_sv (wait_callback, G_DISCARD);
457 SvREFCNT_dec (wait_callback);
458 }
331} 459}
332 460
333static void end_thread (void) 461static void end_thread (void)
334{ 462{
335 aio_req req; 463 aio_req req;
530 658
531 --nready; 659 --nready;
532 660
533 UNLOCK (reqlock); 661 UNLOCK (reqlock);
534 662
535 errno = 0; /* strictly unnecessary */
536
537 switch (req->type) 663 switch (req->type)
538 { 664 {
539 case REQ_QUIT: 665 case REQ_QUIT:
540 goto quit; 666 goto quit;
541 667
668 case REQ_ENV_OPEN:
669 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
670 break;
671
672 case REQ_ENV_CLOSE:
673 req->result = req->env->close (req->env, req->uint1);
674 break;
675
676 case REQ_ENV_TXN_CHECKPOINT:
677 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
678 break;
679
680 case REQ_ENV_LOCK_DETECT:
681 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
682 break;
683
684 case REQ_ENV_MEMP_SYNC:
685 req->result = req->env->memp_sync (req->env, 0);
686 break;
687
688 case REQ_ENV_MEMP_TRICKLE:
689 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
690 break;
691
692 case REQ_DB_OPEN:
693 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
694 break;
695
696 case REQ_DB_CLOSE:
697 req->result = req->db->close (req->db, req->uint1);
698 break;
699
700 case REQ_DB_COMPACT:
701 req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
702 break;
703
704 case REQ_DB_SYNC:
705 req->result = req->db->sync (req->db, req->uint1);
706 break;
707
708 case REQ_DB_PUT:
709 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
710 break;
711
712 case REQ_DB_GET:
713 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
714 break;
715
716 case REQ_DB_PGET:
717 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
718 break;
719
720 case REQ_DB_DEL:
721 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
722 break;
723
724 case REQ_DB_KEY_RANGE:
725 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
726 break;
727
728 case REQ_TXN_COMMIT:
729 req->result = req->txn->commit (req->txn, req->uint1);
730 break;
731
732 case REQ_TXN_ABORT:
733 req->result = req->txn->abort (req->txn);
734 break;
735
736 case REQ_C_CLOSE:
737 req->result = req->dbc->c_close (req->dbc);
738 break;
739
740 case REQ_C_COUNT:
741 {
742 db_recno_t recno;
743 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
744 req->uv1 = recno;
745 }
746 break;
747
748 case REQ_C_PUT:
749 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
750 break;
751
752 case REQ_C_GET:
753 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
754 break;
755
756 case REQ_C_PGET:
757 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
758 break;
759
760 case REQ_C_DEL:
761 req->result = req->dbc->c_del (req->dbc, req->uint1);
762 break;
763
764 case REQ_SEQ_OPEN:
765 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
766 break;
767
768 case REQ_SEQ_CLOSE:
769 req->result = req->seq->close (req->seq, req->uint1);
770 break;
771
772 case REQ_SEQ_GET:
773 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
774 break;
775
776 case REQ_SEQ_REMOVE:
777 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
778 break;
779
542 default: 780 default:
543 //req->result = ENOSYS; 781 req->result = ENOSYS;
544 break; 782 break;
545 } 783 }
546
547 //req->errorno = errno;
548 784
549 LOCK (reslock); 785 LOCK (reslock);
550 786
551 ++npending; 787 ++npending;
552 788
616 create_pipe (); 852 create_pipe ();
617 853
618 atfork_parent (); 854 atfork_parent ();
619} 855}
620 856
621#define dREQ \ 857#define dREQ(reqtype) \
622 aio_req req; \ 858 aio_req req; \
623 int req_pri = next_pri; \ 859 int req_pri = next_pri; \
624 next_pri = DEFAULT_PRI + PRI_BIAS; \ 860 next_pri = DEFAULT_PRI + PRI_BIAS; \
625 \ 861 \
626 if (SvOK (callback) && !SvROK (callback)) \ 862 if (SvOK (callback) && !SvROK (callback)) \
627 croak ("callback must be undef or of reference type"); \ 863 croak ("callback must be undef or of reference type"); \
628 \ 864 \
629 Newz (0, req, 1, aio_cb); \ 865 Newz (0, req, 1, aio_cb); \
630 if (!req) \ 866 if (!req) \
631 croak ("out of memory during aio_req allocation"); \ 867 croak ("out of memory during aio_req allocation"); \
632 \ 868 \
633 req->callback = newSVsv (callback); \ 869 req->callback = newSVsv (callback); \
870 req->type = (reqtype); \
634 req->pri = req_pri 871 req->pri = req_pri
635 872
636#define REQ_SEND \ 873#define REQ_SEND \
637 req_send (req); \ 874 req_send (req)
875
876#define SvPTR(var, arg, type, class, nullok) \
877 if (!SvOK (arg)) \
878 { \
879 if (!nullok) \
880 croak (# var " must be a " # class " object, not undef"); \
638 \ 881 \
639 if (GIMME_V != G_VOID) \ 882 (var) = 0; \
640 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 883 } \
641 884 else if (sv_derived_from ((arg), # class)) \
885 { \
886 IV tmp = SvIV ((SV*) SvRV (arg)); \
887 (var) = INT2PTR (type, tmp); \
888 if (!var) \
889 croak (# var " is not a valid " # class " object anymore"); \
890 } \
891 else \
892 croak (# var " is not of type " # class); \
893 \
894
895static void
896ptr_nuke (SV *sv)
897{
898 assert (SvROK (sv));
899 sv_setiv (SvRV (sv), 0);
900}
901
642MODULE = BDB::AIO PACKAGE = BDB::AIO 902MODULE = BDB PACKAGE = BDB
643 903
644PROTOTYPES: ENABLE 904PROTOTYPES: ENABLE
645 905
646BOOT: 906BOOT:
647{ 907{
648 HV *stash = gv_stashpv ("BDB::AIO", 1); 908 HV *stash = gv_stashpv ("BDB", 1);
909
910 static const struct {
911 const char *name;
912 IV iv;
913 } *civ, const_iv[] = {
914#define const_iv(name) { # name, (IV)DB_ ## name },
915 const_iv (RPCCLIENT)
916 const_iv (INIT_CDB)
917 const_iv (INIT_LOCK)
918 const_iv (INIT_LOG)
919 const_iv (INIT_MPOOL)
920 const_iv (INIT_REP)
921 const_iv (INIT_TXN)
922 const_iv (RECOVER)
923 const_iv (INIT_TXN)
924 const_iv (RECOVER_FATAL)
925 const_iv (CREATE)
926 const_iv (USE_ENVIRON)
927 const_iv (USE_ENVIRON_ROOT)
928 const_iv (LOCKDOWN)
929 const_iv (PRIVATE)
930 const_iv (REGISTER)
931 const_iv (SYSTEM_MEM)
932 const_iv (AUTO_COMMIT)
933 const_iv (CDB_ALLDB)
934 const_iv (DIRECT_DB)
935 const_iv (DIRECT_LOG)
936 const_iv (DSYNC_DB)
937 const_iv (DSYNC_LOG)
938 const_iv (LOG_AUTOREMOVE)
939 const_iv (LOG_INMEMORY)
940 const_iv (NOLOCKING)
941 const_iv (MULTIVERSION)
942 const_iv (NOMMAP)
943 const_iv (NOPANIC)
944 const_iv (OVERWRITE)
945 const_iv (PANIC_ENVIRONMENT)
946 const_iv (REGION_INIT)
947 const_iv (TIME_NOTGRANTED)
948 const_iv (TXN_NOSYNC)
949 const_iv (TXN_SNAPSHOT)
950 const_iv (TXN_WRITE_NOSYNC)
951 const_iv (WRITECURSOR)
952 const_iv (YIELDCPU)
953 const_iv (ENCRYPT_AES)
954 const_iv (XA_CREATE)
955 const_iv (BTREE)
956 const_iv (HASH)
957 const_iv (QUEUE)
958 const_iv (RECNO)
959 const_iv (UNKNOWN)
960 const_iv (EXCL)
961 const_iv (READ_COMMITTED)
962 const_iv (READ_UNCOMMITTED)
963 const_iv (TRUNCATE)
964 const_iv (NOSYNC)
965 const_iv (CHKSUM)
966 const_iv (ENCRYPT)
967 const_iv (TXN_NOT_DURABLE)
968 const_iv (DUP)
969 const_iv (DUPSORT)
970 const_iv (RECNUM)
971 const_iv (RENUMBER)
972 const_iv (REVSPLITOFF)
973 const_iv (INORDER)
974 const_iv (CONSUME)
975 const_iv (CONSUME_WAIT)
976 const_iv (GET_BOTH)
977 const_iv (GET_BOTH_RANGE)
978 //const_iv (SET_RECNO)
979 //const_iv (MULTIPLE)
980 const_iv (SNAPSHOT)
981 const_iv (JOIN_ITEM)
982 const_iv (RMW)
983
984 const_iv (NOTFOUND)
985 const_iv (KEYEMPTY)
986 const_iv (LOCK_DEADLOCK)
987 const_iv (LOCK_NOTGRANTED)
988 const_iv (RUNRECOVERY)
989 const_iv (OLD_VERSION)
990 const_iv (REP_HANDLE_DEAD)
991 const_iv (REP_LOCKOUT)
992 const_iv (SECONDARY_BAD)
993
994 const_iv (FREE_SPACE)
995 const_iv (FREELIST_ONLY)
996
997 const_iv (APPEND)
998 const_iv (NODUPDATA)
999 const_iv (NOOVERWRITE)
1000
1001 const_iv (TXN_NOWAIT)
1002 const_iv (TXN_SNAPSHOT)
1003 const_iv (TXN_SYNC)
1004
1005 const_iv (SET_LOCK_TIMEOUT)
1006 const_iv (SET_TXN_TIMEOUT)
1007
1008 const_iv (JOIN_ITEM)
1009 const_iv (FIRST)
1010 const_iv (NEXT)
1011 const_iv (NEXT_DUP)
1012 const_iv (NEXT_NODUP)
1013 const_iv (PREV)
1014 const_iv (PREV_NODUP)
1015 const_iv (SET)
1016 const_iv (SET_RANGE)
1017 const_iv (LAST)
1018 const_iv (BEFORE)
1019 const_iv (AFTER)
1020 const_iv (CURRENT)
1021 const_iv (KEYFIRST)
1022 const_iv (KEYLAST)
1023 const_iv (NODUPDATA)
1024
1025 const_iv (FORCE)
1026
1027 const_iv (LOCK_DEFAULT)
1028 const_iv (LOCK_EXPIRE)
1029 const_iv (LOCK_MAXLOCKS)
1030 const_iv (LOCK_MAXWRITE)
1031 const_iv (LOCK_MINLOCKS)
1032 const_iv (LOCK_MINWRITE)
1033 const_iv (LOCK_OLDEST)
1034 const_iv (LOCK_RANDOM)
1035 const_iv (LOCK_YOUNGEST)
1036
1037 const_iv (SEQ_DEC)
1038 const_iv (SEQ_INC)
1039 const_iv (SEQ_WRAP)
1040 };
1041
1042 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
649 1044
650 create_pipe (); 1045 create_pipe ();
651 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1046 pthread_atfork (atfork_prepare, atfork_parent, atfork_child);
652} 1047}
653 1048
685 max_outstanding = maxreqs; 1080 max_outstanding = maxreqs;
686 OUTPUT: 1081 OUTPUT:
687 RETVAL 1082 RETVAL
688 1083
689int 1084int
690bdbreq_pri (int pri = 0) 1085dbreq_pri (int pri = 0)
691 PROTOTYPE: ;$ 1086 PROTOTYPE: ;$
692 CODE: 1087 CODE:
693 RETVAL = next_pri - PRI_BIAS; 1088 RETVAL = next_pri - PRI_BIAS;
694 if (items > 0) 1089 if (items > 0)
695 { 1090 {
699 } 1094 }
700 OUTPUT: 1095 OUTPUT:
701 RETVAL 1096 RETVAL
702 1097
703void 1098void
704bdbreq_nice (int nice = 0) 1099dbreq_nice (int nice = 0)
705 CODE: 1100 CODE:
706 nice = next_pri - nice; 1101 nice = next_pri - nice;
707 if (nice < PRI_MIN) nice = PRI_MIN; 1102 if (nice < PRI_MIN) nice = PRI_MIN;
708 if (nice > PRI_MAX) nice = PRI_MAX; 1103 if (nice > PRI_MAX) nice = PRI_MAX;
709 next_pri = nice + PRI_BIAS; 1104 next_pri = nice + PRI_BIAS;
717 poll_wait (); 1112 poll_wait ();
718 poll_cb (); 1113 poll_cb ();
719 } 1114 }
720 1115
721int 1116int
722poll() 1117poll ()
723 PROTOTYPE: 1118 PROTOTYPE:
724 CODE: 1119 CODE:
725 poll_wait (); 1120 poll_wait ();
726 RETVAL = poll_cb (); 1121 RETVAL = poll_cb ();
727 OUTPUT: 1122 OUTPUT:
728 RETVAL 1123 RETVAL
729 1124
730int 1125int
731poll_fileno() 1126poll_fileno ()
732 PROTOTYPE: 1127 PROTOTYPE:
733 CODE: 1128 CODE:
734 RETVAL = respipe [0]; 1129 RETVAL = respipe [0];
735 OUTPUT: 1130 OUTPUT:
736 RETVAL 1131 RETVAL
737 1132
738int 1133int
739poll_cb(...) 1134poll_cb (...)
740 PROTOTYPE: 1135 PROTOTYPE:
741 CODE: 1136 CODE:
742 RETVAL = poll_cb (); 1137 RETVAL = poll_cb ();
743 OUTPUT: 1138 OUTPUT:
744 RETVAL 1139 RETVAL
745 1140
746void 1141void
747poll_wait() 1142poll_wait ()
748 PROTOTYPE: 1143 PROTOTYPE:
749 CODE: 1144 CODE:
750 poll_wait (); 1145 poll_wait ();
751 1146
752int 1147int
753nreqs() 1148nreqs ()
754 PROTOTYPE: 1149 PROTOTYPE:
755 CODE: 1150 CODE:
756 RETVAL = nreqs; 1151 RETVAL = nreqs;
757 OUTPUT: 1152 OUTPUT:
758 RETVAL 1153 RETVAL
759 1154
760int 1155int
761nready() 1156nready ()
762 PROTOTYPE: 1157 PROTOTYPE:
763 CODE: 1158 CODE:
764 RETVAL = get_nready (); 1159 RETVAL = get_nready ();
765 OUTPUT: 1160 OUTPUT:
766 RETVAL 1161 RETVAL
767 1162
768int 1163int
769npending() 1164npending ()
770 PROTOTYPE: 1165 PROTOTYPE:
771 CODE: 1166 CODE:
772 RETVAL = get_npending (); 1167 RETVAL = get_npending ();
773 OUTPUT: 1168 OUTPUT:
774 RETVAL 1169 RETVAL
775 1170
776int 1171int
777nthreads() 1172nthreads ()
778 PROTOTYPE: 1173 PROTOTYPE:
779 CODE: 1174 CODE:
780 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1175 if (WORDACCESS_UNSAFE) LOCK (wrklock);
781 RETVAL = started; 1176 RETVAL = started;
782 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1177 if (WORDACCESS_UNSAFE) UNLOCK (wrklock);
783 OUTPUT: 1178 OUTPUT:
784 RETVAL 1179 RETVAL
785 1180
1181void
1182set_sync_prepare (SV *cb)
1183 PROTOTYPE: &
1184 CODE:
1185 SvREFCNT_dec (prepare_cb);
1186 prepare_cb = newSVsv (cb);
786 1187
1188
1189DB_ENV *
1190db_env_create (U32 env_flags = 0)
1191 CODE:
1192{
1193 errno = db_env_create (&RETVAL, env_flags);
1194 if (errno)
1195 croak ("db_env_create: %s", db_strerror (errno));
1196}
1197 OUTPUT:
1198 RETVAL
1199
1200void
1201db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1202 CODE:
1203{
1204 env->set_thread_count (env, get_nthreads ());
1205
1206 dREQ (REQ_ENV_OPEN);
1207 req->env = env;
1208 req->uint1 = open_flags | DB_THREAD;
1209 req->int1 = mode;
1210 req->buf1 = strdup_ornull (db_home);
1211 REQ_SEND;
1212}
1213
1214void
1215db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
1216 CODE:
1217{
1218 dREQ (REQ_ENV_CLOSE);
1219 req->env = env;
1220 req->uint1 = flags;
1221 REQ_SEND;
1222 ptr_nuke (ST (0));
1223}
1224
1225void
1226db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1227 CODE:
1228{
1229 dREQ (REQ_ENV_TXN_CHECKPOINT);
1230 req->env = env;
1231 req->uint1 = kbyte;
1232 req->int1 = min;
1233 req->uint2 = flags;
1234 REQ_SEND;
1235}
1236
1237void
1238db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1239 CODE:
1240{
1241 dREQ (REQ_ENV_LOCK_DETECT);
1242 req->env = env;
1243 req->uint1 = flags;
1244 req->uint2 = atype;
1245 REQ_SEND;
1246}
1247
1248void
1249db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1250 CODE:
1251{
1252 dREQ (REQ_ENV_MEMP_SYNC);
1253 req->env = env;
1254 REQ_SEND;
1255}
1256
1257void
1258db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1259 CODE:
1260{
1261 dREQ (REQ_ENV_MEMP_TRICKLE);
1262 req->env = env;
1263 req->int1 = percent;
1264 REQ_SEND;
1265}
1266
1267
1268DB *
1269db_create (DB_ENV *env = 0, U32 flags = 0)
1270 CODE:
1271{
1272 errno = db_create (&RETVAL, env, flags);
1273 if (errno)
1274 croak ("db_create: %s", db_strerror (errno));
1275
1276 if (RETVAL)
1277 RETVAL->app_private = (void *)newSVsv (ST (0));
1278}
1279 OUTPUT:
1280 RETVAL
1281
1282void
1283db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1284 CODE:
1285{
1286 dREQ (REQ_DB_OPEN);
1287 req->db = db;
1288 req->txn = txnid;
1289 req->buf1 = strdup_ornull (file);
1290 req->buf2 = strdup_ornull (database);
1291 req->int1 = type;
1292 req->uint1 = flags | DB_THREAD;
1293 req->int2 = mode;
1294 REQ_SEND;
1295}
1296
1297void
1298db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1299 CODE:
1300{
1301 dREQ (REQ_DB_CLOSE);
1302 req->db = db;
1303 req->uint1 = flags;
1304 req->sv1 = (SV *)db->app_private;
1305 REQ_SEND;
1306 ptr_nuke (ST (0));
1307}
1308
1309void
1310db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)
1311 CODE:
1312{
1313 dREQ (REQ_DB_COMPACT);
1314 req->db = db;
1315 req->txn = txn;
1316 sv_to_dbt (&req->dbt1, start);
1317 sv_to_dbt (&req->dbt2, stop);
1318 req->uint1 = flags;
1319 REQ_SEND;
1320}
1321
1322void
1323db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1324 CODE:
1325{
1326 dREQ (REQ_DB_SYNC);
1327 req->db = db;
1328 req->uint1 = flags;
1329 REQ_SEND;
1330}
1331
1332void
1333db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1334 CODE:
1335{
1336 dREQ (REQ_DB_KEY_RANGE);
1337 req->db = db;
1338 req->txn = txn;
1339 sv_to_dbt (&req->dbt1, key);
1340 req->uint1 = flags;
1341 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1342 REQ_SEND;
1343}
1344
1345void
1346db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1347 CODE:
1348{
1349 dREQ (REQ_DB_PUT);
1350 req->db = db;
1351 req->txn = txn;
1352 sv_to_dbt (&req->dbt1, key);
1353 sv_to_dbt (&req->dbt2, data);
1354 req->uint1 = flags;
1355 REQ_SEND;
1356}
1357
1358void
1359db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1360 CODE:
1361{
1362 dREQ (REQ_DB_GET);
1363 req->db = db;
1364 req->txn = txn;
1365 req->uint1 = flags;
1366 sv_to_dbt (&req->dbt1, key);
1367 req->dbt3.flags = DB_DBT_MALLOC;
1368 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1369 REQ_SEND;
1370}
1371
1372void
1373db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1374 CODE:
1375{
1376 dREQ (REQ_DB_PGET);
1377 req->db = db;
1378 req->txn = txn;
1379 req->uint1 = flags;
1380 sv_to_dbt (&req->dbt1, key);
1381 sv_to_dbt (&req->dbt2, pkey);
1382 req->dbt3.flags = DB_DBT_MALLOC;
1383 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1384 REQ_SEND;
1385}
1386
1387void
1388db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1389 CODE:
1390{
1391 dREQ (REQ_DB_DEL);
1392 req->db = db;
1393 req->txn = txn;
1394 req->uint1 = flags;
1395 sv_to_dbt (&req->dbt1, key);
1396 REQ_SEND;
1397}
1398
1399void
1400db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1401 CODE:
1402{
1403 dREQ (REQ_TXN_COMMIT);
1404 req->txn = txn;
1405 req->uint1 = flags;
1406 REQ_SEND;
1407 ptr_nuke (ST (0));
1408}
1409
1410void
1411db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1412 CODE:
1413{
1414 dREQ (REQ_TXN_ABORT);
1415 req->txn = txn;
1416 REQ_SEND;
1417 ptr_nuke (ST (0));
1418}
1419
1420void
1421db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1422 CODE:
1423{
1424 dREQ (REQ_C_CLOSE);
1425 req->dbc = dbc;
1426 REQ_SEND;
1427 ptr_nuke (ST (0));
1428}
1429
1430void
1431db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
1432 CODE:
1433{
1434 dREQ (REQ_C_COUNT);
1435 req->dbc = dbc;
1436 req->sv1 = SvREFCNT_inc (count);
1437 REQ_SEND;
1438}
1439
1440void
1441db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1442 CODE:
1443{
1444 dREQ (REQ_C_PUT);
1445 req->dbc = dbc;
1446 sv_to_dbt (&req->dbt1, key);
1447 sv_to_dbt (&req->dbt2, data);
1448 req->uint1 = flags;
1449 REQ_SEND;
1450}
1451
1452void
1453db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1454 CODE:
1455{
1456 dREQ (REQ_C_GET);
1457 req->dbc = dbc;
1458 req->uint1 = flags;
1459 if ((flags & DB_SET) == DB_SET
1460 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1461 sv_to_dbt (&req->dbt1, key);
1462 else
1463 req->dbt1.flags = DB_DBT_MALLOC;
1464
1465 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1466
1467 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1468 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1469 sv_to_dbt (&req->dbt3, data);
1470 else
1471 req->dbt3.flags = DB_DBT_MALLOC;
1472
1473 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1474 REQ_SEND;
1475}
1476
1477void
1478db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1479 CODE:
1480{
1481 dREQ (REQ_C_PGET);
1482 req->dbc = dbc;
1483 req->uint1 = flags;
1484 if ((flags & DB_SET) == DB_SET
1485 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1486 sv_to_dbt (&req->dbt1, key);
1487 else
1488 req->dbt1.flags = DB_DBT_MALLOC;
1489
1490 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1491
1492 req->dbt2.flags = DB_DBT_MALLOC;
1493 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1494
1495 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1496 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1497 sv_to_dbt (&req->dbt3, data);
1498 else
1499 req->dbt3.flags = DB_DBT_MALLOC;
1500
1501 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1502 REQ_SEND;
1503}
1504
1505void
1506db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1507 CODE:
1508{
1509 dREQ (REQ_C_DEL);
1510 req->dbc = dbc;
1511 req->uint1 = flags;
1512 REQ_SEND;
1513}
1514
1515
1516void
1517db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1518 CODE:
1519{
1520 dREQ (REQ_SEQ_OPEN);
1521 req->seq = seq;
1522 req->txn = txnid;
1523 req->uint1 = flags | DB_THREAD;
1524 sv_to_dbt (&req->dbt1, key);
1525 REQ_SEND;
1526}
1527
1528void
1529db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1530 CODE:
1531{
1532 dREQ (REQ_SEQ_CLOSE);
1533 req->seq = seq;
1534 req->uint1 = flags;
1535 REQ_SEND;
1536 ptr_nuke (ST (0));
1537}
1538
1539void
1540db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1541 CODE:
1542{
1543 dREQ (REQ_SEQ_GET);
1544 req->seq = seq;
1545 req->txn = txnid;
1546 req->int1 = delta;
1547 req->uint1 = flags;
1548 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1549 REQ_SEND;
1550}
1551
1552void
1553db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1554 CODE:
1555{
1556 dREQ (REQ_SEQ_REMOVE);
1557 req->seq = seq;
1558 req->txn = txnid;
1559 req->uint1 = flags;
1560 REQ_SEND;
1561}
1562
1563
1564MODULE = BDB PACKAGE = BDB::Env
1565
1566void
1567DESTROY (DB_ENV_ornull *env)
1568 CODE:
1569 if (env)
1570 env->close (env, 0);
1571
1572int set_data_dir (DB_ENV *env, const char *dir)
1573 CODE:
1574 RETVAL = env->set_data_dir (env, dir);
1575 OUTPUT:
1576 RETVAL
1577
1578int set_tmp_dir (DB_ENV *env, const char *dir)
1579 CODE:
1580 RETVAL = env->set_tmp_dir (env, dir);
1581 OUTPUT:
1582 RETVAL
1583
1584int set_lg_dir (DB_ENV *env, const char *dir)
1585 CODE:
1586 RETVAL = env->set_lg_dir (env, dir);
1587 OUTPUT:
1588 RETVAL
1589
1590int set_shm_key (DB_ENV *env, long shm_key)
1591 CODE:
1592 RETVAL = env->set_shm_key (env, shm_key);
1593 OUTPUT:
1594 RETVAL
1595
1596int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1597 CODE:
1598 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1599 OUTPUT:
1600 RETVAL
1601
1602int set_flags (DB_ENV *env, U32 flags, int onoff)
1603 CODE:
1604 RETVAL = env->set_flags (env, flags, onoff);
1605 OUTPUT:
1606 RETVAL
1607
1608int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609 CODE:
1610 RETVAL = env->set_encrypt (env, password, flags);
1611 OUTPUT:
1612 RETVAL
1613
1614int set_timeout (DB_ENV *env, NV timeout, U32 flags)
1615 CODE:
1616 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1617 OUTPUT:
1618 RETVAL
1619
1620int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1621 CODE:
1622 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1623 OUTPUT:
1624 RETVAL
1625
1626int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1627 CODE:
1628 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1629 OUTPUT:
1630 RETVAL
1631
1632int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1633 CODE:
1634 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1635 OUTPUT:
1636 RETVAL
1637
1638int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1639 CODE:
1640 RETVAL = env->set_lk_detect (env, detect);
1641 OUTPUT:
1642 RETVAL
1643
1644int set_lk_max_lockers (DB_ENV *env, U32 max)
1645 CODE:
1646 RETVAL = env->set_lk_max_lockers (env, max);
1647 OUTPUT:
1648 RETVAL
1649
1650int set_lk_max_locks (DB_ENV *env, U32 max)
1651 CODE:
1652 RETVAL = env->set_lk_max_locks (env, max);
1653 OUTPUT:
1654 RETVAL
1655
1656int set_lk_max_objects (DB_ENV *env, U32 max)
1657 CODE:
1658 RETVAL = env->set_lk_max_objects (env, max);
1659 OUTPUT:
1660 RETVAL
1661
1662int set_lg_bsize (DB_ENV *env, U32 max)
1663 CODE:
1664 RETVAL = env->set_lg_bsize (env, max);
1665 OUTPUT:
1666 RETVAL
1667
1668int set_lg_max (DB_ENV *env, U32 max)
1669 CODE:
1670 RETVAL = env->set_lg_max (env, max);
1671 OUTPUT:
1672 RETVAL
1673
1674DB_TXN *
1675txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1676 CODE:
1677 errno = env->txn_begin (env, parent, &RETVAL, flags);
1678 if (errno)
1679 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1680 OUTPUT:
1681 RETVAL
1682
1683MODULE = BDB PACKAGE = BDB::Db
1684
1685void
1686DESTROY (DB_ornull *db)
1687 CODE:
1688 if (db)
1689 {
1690 SV *env = (SV *)db->app_private;
1691 db->close (db, 0);
1692 SvREFCNT_dec (env);
1693 }
1694
1695int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1696 CODE:
1697 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698 OUTPUT:
1699 RETVAL
1700
1701int set_flags (DB *db, U32 flags);
1702 CODE:
1703 RETVAL = db->set_flags (db, flags);
1704 OUTPUT:
1705 RETVAL
1706
1707int set_encrypt (DB *db, const char *password, U32 flags)
1708 CODE:
1709 RETVAL = db->set_encrypt (db, password, flags);
1710 OUTPUT:
1711 RETVAL
1712
1713int set_lorder (DB *db, int lorder)
1714 CODE:
1715 RETVAL = db->set_lorder (db, lorder);
1716 OUTPUT:
1717 RETVAL
1718
1719int set_bt_minkey (DB *db, U32 minkey)
1720 CODE:
1721 RETVAL = db->set_bt_minkey (db, minkey);
1722 OUTPUT:
1723 RETVAL
1724
1725int set_re_delim(DB *db, int delim);
1726 CODE:
1727 RETVAL = db->set_re_delim (db, delim);
1728 OUTPUT:
1729 RETVAL
1730
1731int set_re_pad (DB *db, int re_pad)
1732 CODE:
1733 RETVAL = db->set_re_pad (db, re_pad);
1734 OUTPUT:
1735 RETVAL
1736
1737int set_re_source (DB *db, char *source)
1738 CODE:
1739 RETVAL = db->set_re_source (db, source);
1740 OUTPUT:
1741 RETVAL
1742
1743int set_re_len (DB *db, U32 re_len)
1744 CODE:
1745 RETVAL = db->set_re_len (db, re_len);
1746 OUTPUT:
1747 RETVAL
1748
1749int set_h_ffactor (DB *db, U32 h_ffactor)
1750 CODE:
1751 RETVAL = db->set_h_ffactor (db, h_ffactor);
1752 OUTPUT:
1753 RETVAL
1754
1755int set_h_nelem (DB *db, U32 h_nelem)
1756 CODE:
1757 RETVAL = db->set_h_nelem (db, h_nelem);
1758 OUTPUT:
1759 RETVAL
1760
1761int set_q_extentsize (DB *db, U32 extentsize)
1762 CODE:
1763 RETVAL = db->set_q_extentsize (db, extentsize);
1764 OUTPUT:
1765 RETVAL
1766
1767DBC *
1768cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
1769 CODE:
1770 errno = db->cursor (db, txn, &RETVAL, flags);
1771 if (errno)
1772 croak ("DB->cursor: %s", db_strerror (errno));
1773 OUTPUT:
1774 RETVAL
1775
1776DB_SEQUENCE *
1777sequence (DB *db, U32 flags = 0)
1778 CODE:
1779{
1780 errno = db_sequence_create (&RETVAL, db, flags);
1781 if (errno)
1782 croak ("db_sequence_create: %s", db_strerror (errno));
1783}
1784 OUTPUT:
1785 RETVAL
1786
1787
1788MODULE = BDB PACKAGE = BDB::Txn
1789
1790void
1791DESTROY (DB_TXN_ornull *txn)
1792 CODE:
1793 if (txn)
1794 txn->abort (txn);
1795
1796int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
1797 CODE:
1798 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1799 OUTPUT:
1800 RETVAL
1801
1802
1803MODULE = BDB PACKAGE = BDB::Cursor
1804
1805void
1806DESTROY (DBC_ornull *dbc)
1807 CODE:
1808 if (dbc)
1809 dbc->c_close (dbc);
1810
1811MODULE = BDB PACKAGE = BDB::Sequence
1812
1813void
1814DESTROY (DB_SEQUENCE_ornull *seq)
1815 CODE:
1816 if (seq)
1817 seq->close (seq, 0);
1818
1819int initial_value (DB_SEQUENCE *seq, db_seq_t value)
1820 CODE:
1821 RETVAL = seq->initial_value (seq, value);
1822 OUTPUT:
1823 RETVAL
1824
1825int set_cachesize (DB_SEQUENCE *seq, U32 size)
1826 CODE:
1827 RETVAL = seq->set_cachesize (seq, size);
1828 OUTPUT:
1829 RETVAL
1830
1831int set_flags (DB_SEQUENCE *seq, U32 flags)
1832 CODE:
1833 RETVAL = seq->set_flags (seq, flags);
1834 OUTPUT:
1835 RETVAL
1836
1837int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
1838 CODE:
1839 RETVAL = seq->set_range (seq, min, max);
1840 OUTPUT:
1841 RETVAL
1842

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