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Comparing BDB/BDB.xs (file contents):
Revision 1.47 by root, Fri Jul 18 22:39:10 2008 UTC vs.
Revision 1.77 by root, Mon Dec 26 01:46:33 2011 UTC

		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
6	#include "perl.h"	8	#include "perl.h"
7	#include "XSUB.h"	9	#include "XSUB.h"
8		10
		11	#include "schmorp.h"
		12
9	// perl stupidly defines these as macros, breaking	13	// perl stupidly defines these as argument-less macros, breaking
10	// lots and lots of code.	14	// lots and lots of code.
11	#undef open	15	#undef open
12	#undef close	16	#undef close
13	#undef abort	17	#undef abort
14	#undef malloc	18	#undef malloc
…		…
27	# include <unistd.h>	31	# include <unistd.h>
28	#endif	32	#endif
29		33
30	#include <db.h>	34	#include <db.h>
31		35
32	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)	36	#define DBVER DB_VERSION_MAJOR * 100 + DB_VERSION_MINOR
		37
		38	#if DBVER < 403
33	# error you need Berkeley DB 4.3 or a newer 4.x version installed	39	# error you need Berkeley DB 4.3 or a newer version installed
34	#endif	40	#endif
35		41
36	/* number of seconds after which idle threads exit */	42	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	43	#define IDLE_TIMEOUT 10
		44
		45	typedef SV SV_mutable;
38		46
39	typedef DB_ENV DB_ENV_ornull;	47	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	48	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	49	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	50	typedef DB DB_ornull;
…		…
44	typedef DB_ENV DB_ENV_ornuked;	52	typedef DB_ENV DB_ENV_ornuked;
45	typedef DB_TXN DB_TXN_ornuked;	53	typedef DB_TXN DB_TXN_ornuked;
46	typedef DBC DBC_ornuked;	54	typedef DBC DBC_ornuked;
47	typedef DB DB_ornuked;	55	typedef DB DB_ornuked;
48		56
49	#if DB_VERSION_MINOR >= 3	57	#if DBVER >= 403
50	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	58	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
51	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;	59	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
52	#endif	60	#endif
53		61
54	typedef SV SV8; /* byte-sv, used for argument-checking */
55	typedef char *bdb_filename;	62	typedef char *bdb_filename;
56		63
57	static SV *prepare_cb;	64	static SV *prepare_cb;
58		65
59	#if DB_VERSION_MINOR >= 6	66	static HV
		67	*bdb_stash,
		68	*bdb_env_stash,
		69	*bdb_txn_stash,
		70	*bdb_cursor_stash,
		71	*bdb_db_stash,
		72	*bdb_sequence_stash;
		73
		74	#if DBVER >= 406
60	# define c_close close	75	# define c_close close
61	# define c_count count	76	# define c_count count
62	# define c_del del	77	# define c_del del
63	# define c_dup dup	78	# define c_dup dup
64	# define c_get get	79	# define c_get get
…		…
130	dbt_to_sv (SV *sv, DBT *dbt)	145	dbt_to_sv (SV *sv, DBT *dbt)
131	{	146	{
132	if (sv)	147	if (sv)
133	{	148	{
134	SvREADONLY_off (sv);	149	SvREADONLY_off (sv);
		150
		151	if (dbt->data)
135	sv_setpvn_mg (sv, dbt->data, dbt->size);	152	sv_setpvn_mg (sv, dbt->data, dbt->size);
		153	else
		154	sv_setsv_mg (sv, &PL_sv_undef);
		155
136	SvREFCNT_dec (sv);	156	SvREFCNT_dec (sv);
137	}	157	}
138		158
139	free (dbt->data);	159	free (dbt->data);
140	}	160	}
141		161
142	enum {	162	enum {
143	REQ_QUIT,	163	REQ_QUIT,
144	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	164	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
145	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,	165	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		166	REQ_ENV_LOG_ARCHIVE,
146	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,	167	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
147	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	168	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
148	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,	169	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
149	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	170	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
150	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	171	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
151	};	172	};
…		…
167	char *buf1, *buf2, *buf3;	188	char *buf1, *buf2, *buf3;
168	SV *sv1, *sv2, *sv3;	189	SV *sv1, *sv2, *sv3;
169		190
170	DBT dbt1, dbt2, dbt3;	191	DBT dbt1, dbt2, dbt3;
171	DB_KEY_RANGE key_range;	192	DB_KEY_RANGE key_range;
172	#if DB_VERSION_MINOR >= 3	193	#if DBVER >= 403
173	DB_SEQUENCE *seq;	194	DB_SEQUENCE *seq;
174	db_seq_t seq_t;	195	db_seq_t seq_t;
175	#endif	196	#endif
		197
		198	SV *rsv1, *rsv2; // keep some request objects alive
176	} bdb_cb;	199	} bdb_cb;
177		200
178	typedef bdb_cb *bdb_req;	201	typedef bdb_cb *bdb_req;
179		202
180	enum {	203	enum {
…		…
203	static int next_pri = DEFAULT_PRI + PRI_BIAS;	226	static int next_pri = DEFAULT_PRI + PRI_BIAS;
204		227
205	static unsigned int started, idle, wanted;	228	static unsigned int started, idle, wanted;
206		229
207	/* worker threads management */	230	/* worker threads management */
208	static mutex_t wrklock = X_MUTEX_INIT;	231	static xmutex_t wrklock = X_MUTEX_INIT;
209		232
210	typedef struct worker {	233	typedef struct worker {
211	/* locked by wrklock */	234	/* locked by wrklock */
212	struct worker *prev, *next;	235	struct worker *prev, *next;
213		236
214	thread_t tid;	237	xthread_t tid;
215		238
216	/* locked by reslock, reqlock or wrklock */	239	/* locked by reslock, reqlock or wrklock */
217	bdb_req req; /* currently processed request */	240	bdb_req req; /* currently processed request */
218	void *dbuf;	241	void *dbuf;
219	DIR *dirp;	242	DIR *dirp;
…		…
234	}	257	}
235		258
236	static volatile unsigned int nreqs, nready, npending;	259	static volatile unsigned int nreqs, nready, npending;
237	static volatile unsigned int max_idle = 4;	260	static volatile unsigned int max_idle = 4;
238	static volatile unsigned int max_outstanding = 0xffffffff;	261	static volatile unsigned int max_outstanding = 0xffffffff;
239	static int respipe_osf [2], respipe [2] = { -1, -1 };	262	static s_epipe respipe;
240		263
241	static mutex_t reslock = X_MUTEX_INIT;	264	static xmutex_t reslock = X_MUTEX_INIT;
242	static mutex_t reqlock = X_MUTEX_INIT;	265	static xmutex_t reqlock = X_MUTEX_INIT;
243	static cond_t reqwait = X_COND_INIT;	266	static xcond_t reqwait = X_COND_INIT;
244		267
245	#if WORDACCESS_UNSAFE	268	#if WORDACCESS_UNSAFE
246		269
247	static unsigned int get_nready (void)	270	static unsigned int get_nready (void)
248	{	271	{
…		…
339	abort ();	362	abort ();
340	}	363	}
341		364
342	static int poll_cb (void);	365	static int poll_cb (void);
343	static void req_free (bdb_req req);	366	static void req_free (bdb_req req);
344	static void req_cancel (bdb_req req);
345		367
346	static int req_invoke (bdb_req req)	368	static int req_invoke (bdb_req req)
347	{	369	{
348	dSP;	370	switch (req->type)
		371	{
		372	case REQ_DB_CLOSE:
		373	SvREFCNT_dec (req->sv1);
		374	break;
		375
		376	case REQ_DB_GET:
		377	case REQ_DB_PGET:
		378	case REQ_C_GET:
		379	case REQ_C_PGET:
		380	case REQ_DB_PUT:
		381	case REQ_C_PUT:
		382	dbt_to_sv (req->sv1, &req->dbt1);
		383	dbt_to_sv (req->sv2, &req->dbt2);
		384	dbt_to_sv (req->sv3, &req->dbt3);
		385	break;
		386
		387	case REQ_DB_KEY_RANGE:
		388	{
		389	AV *av = newAV ();
		390
		391	av_push (av, newSVnv (req->key_range.less));
		392	av_push (av, newSVnv (req->key_range.equal));
		393	av_push (av, newSVnv (req->key_range.greater));
		394
		395	av = (AV *)newRV_noinc ((SV *)av);
		396
		397	SvREADONLY_off (req->sv1);
		398	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		399	SvREFCNT_dec (av);
		400	SvREFCNT_dec (req->sv1);
		401	}
		402	break;
		403
		404	#if DBVER >= 403
		405	case REQ_SEQ_GET:
		406	SvREADONLY_off (req->sv1);
		407
		408	if (sizeof (IV) > 4)
		409	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		410	else
		411	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		412
		413	SvREFCNT_dec (req->sv1);
		414	break;
		415	#endif
		416
		417	case REQ_ENV_LOG_ARCHIVE:
		418	{
		419	AV *av = newAV ();
		420	char **listp = (char **)req->buf1;
		421
		422	if (listp)
		423	while (*listp)
		424	av_push (av, newSVpv (*listp, 0)), ++listp;
		425
		426	av = (AV *)newRV_noinc ((SV *)av);
		427
		428	SvREADONLY_off (req->sv1);
		429	sv_setsv_mg (req->sv1, (SV *)av);
		430	SvREFCNT_dec (av);
		431	SvREFCNT_dec (req->sv1);
		432	}
		433	break;
		434	}
		435
		436	errno = req->result;
349		437
350	if (req->callback)	438	if (req->callback)
351	{	439	{
		440	dSP;
		441
352	ENTER;	442	ENTER;
353	SAVETMPS;	443	SAVETMPS;
354	PUSHMARK (SP);	444	PUSHMARK (SP);
355		445
356	switch (req->type)
357	{
358	case REQ_DB_CLOSE:
359	SvREFCNT_dec (req->sv1);
360	break;
361
362	case REQ_DB_GET:
363	case REQ_DB_PGET:
364	dbt_to_sv (req->sv3, &req->dbt3);
365	break;
366
367	case REQ_C_GET:
368	case REQ_C_PGET:
369	dbt_to_sv (req->sv1, &req->dbt1);
370	dbt_to_sv (req->sv2, &req->dbt2);
371	dbt_to_sv (req->sv3, &req->dbt3);
372	break;
373
374	case REQ_DB_PUT:
375	case REQ_C_PUT:
376	dbt_to_sv (0, &req->dbt1);
377	dbt_to_sv (0, &req->dbt2);
378	break;
379
380	case REQ_DB_KEY_RANGE:
381	{
382	AV *av = newAV ();
383
384	av_push (av, newSVnv (req->key_range.less));
385	av_push (av, newSVnv (req->key_range.equal));
386	av_push (av, newSVnv (req->key_range.greater));
387
388	SvREADONLY_off (req->sv1);
389	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
390	SvREFCNT_dec (req->sv1);
391	}
392	break;
393
394	#if DB_VERSION_MINOR >= 3
395	case REQ_SEQ_GET:
396	SvREADONLY_off (req->sv1);
397
398	if (sizeof (IV) > 4)
399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
400	else
401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
402
403	SvREFCNT_dec (req->sv1);
404	break;
405	#endif
406	}
407
408	errno = req->result;
409
410	PUTBACK;	446	PUTBACK;
411	call_sv (req->callback, G_VOID | G_EVAL);	447	call_sv (req->callback, G_VOID | G_EVAL);
412	SPAGAIN;	448	SPAGAIN;
413		449
414	FREETMPS;	450	FREETMPS;
415	LEAVE;	451	LEAVE;
		452
		453	return !SvTRUE (ERRSV);
416	}	454	}
417		455
418	return !SvTRUE (ERRSV);	456	return 1;
419	}	457	}
420		458
421	static void req_free (bdb_req req)	459	static void req_free (bdb_req req)
422	{	460	{
423	SvREFCNT_dec (req->callback);	461	SvREFCNT_dec (req->callback);
		462
		463	SvREFCNT_dec (req->rsv1);
		464	SvREFCNT_dec (req->rsv2);
424		465
425	free (req->buf1);	466	free (req->buf1);
426	free (req->buf2);	467	free (req->buf2);
427	free (req->buf3);	468	free (req->buf3);
428		469
429	Safefree (req);	470	Safefree (req);
430	}	471	}
431		472
432	#ifdef USE_SOCKETS_AS_HANDLES
433	# define TO_SOCKET(x) (win32_get_osfhandle (x))
434	#else
435	# define TO_SOCKET(x) (x)
436	#endif
437
438	static void	473	static void
439	create_respipe (void)	474	create_respipe (void)
440	{	475	{
441	#ifdef _WIN32
442	int arg; /* argg */
443	#endif
444	int old_readfd = respipe [0];
445
446	if (respipe [1] >= 0)
447	respipe_close (TO_SOCKET (respipe [1]));
448
449	#ifdef _WIN32
450	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
451	#else
452	if (pipe (respipe))	476	if (s_epipe_renew (&respipe))
453	#endif	477	croak ("BDB: unable to create event pipe");
454	croak ("unable to initialize result pipe");
455
456	if (old_readfd >= 0)
457	{
458	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
459	croak ("unable to initialize result pipe(2)");
460
461	respipe_close (respipe [0]);
462	respipe [0] = old_readfd;
463	}
464
465	#ifdef _WIN32
466	arg = 1;
467	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
468	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
469	#else
470	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
471	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
472	#endif
473	croak ("unable to initialize result pipe(3)");
474
475	respipe_osf [0] = TO_SOCKET (respipe [0]);
476	respipe_osf [1] = TO_SOCKET (respipe [1]);
477	}	478	}
478		479
		480	static void bdb_request (bdb_req req);
479	X_THREAD_PROC (bdb_proc);	481	X_THREAD_PROC (bdb_proc);
480		482
481	static void start_thread (void)	483	static void start_thread (void)
482	{	484	{
483	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
…		…
524	on_next_submit = 0;	526	on_next_submit = 0;
525		527
526	PUSHMARK (SP);	528	PUSHMARK (SP);
527	PUTBACK;	529	PUTBACK;
528	call_sv (cb, G_DISCARD | G_EVAL);	530	call_sv (cb, G_DISCARD | G_EVAL);
		531	SPAGAIN;
529	}	532	}
530		533
531	// synthesize callback if none given	534	// synthesize callback if none given
532	if (!req->callback)	535	if (!req->callback)
533	{	536	{
		537	if (SvOK (prepare_cb))
		538	{
534	int count;	539	int count;
535		540
536	dSP;	541	dSP;
537	PUSHMARK (SP);	542	PUSHMARK (SP);
538	PUTBACK;	543	PUTBACK;
539	count = call_sv (prepare_cb, G_ARRAY);	544	count = call_sv (prepare_cb, G_ARRAY);
540	SPAGAIN;	545	SPAGAIN;
541		546
542	if (count != 2)	547	if (count != 2)
543	croak ("prepare callback must return exactly two values\n");	548	croak ("sync prepare callback must return exactly two values\n");
544		549
545	wait_callback = POPs;	550	wait_callback = POPs;
546	SvREFCNT_dec (req->callback);
547	req->callback = SvREFCNT_inc (POPs);	551	req->callback = SvREFCNT_inc (POPs);
		552	}
		553	else
		554	{
		555	// execute request synchronously
		556	bdb_request (req);
		557	req_invoke (req);
		558	req_free (req);
		559	return;
		560	}
548	}	561	}
549		562
550	++nreqs;	563	++nreqs;
551		564
552	X_LOCK (reqlock);	565	X_LOCK (reqlock);
…		…
566	}	579	}
567	}	580	}
568		581
569	static void end_thread (void)	582	static void end_thread (void)
570	{	583	{
571	bdb_req req;	584	bdb_req req = calloc (1, sizeof (bdb_cb));
572
573	Newz (0, req, 1, bdb_cb);
574		585
575	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
576	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
577		588
578	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
607	end_thread ();	618	end_thread ();
608	}	619	}
609		620
610	static void poll_wait (void)	621	static void poll_wait (void)
611	{	622	{
612	fd_set rfd;
613
614	while (nreqs)	623	while (nreqs)
615	{	624	{
616	int size;	625	int size;
617	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
618	size = res_queue.size;	627	size = res_queue.size;
…		…
621	if (size)	630	if (size)
622	return;	631	return;
623		632
624	maybe_start_thread ();	633	maybe_start_thread ();
625		634
626	FD_ZERO (&rfd);	635	s_epipe_wait (&respipe);
627	FD_SET (respipe [0], &rfd);
628
629	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
630	}	636	}
631	}	637	}
632		638
633	static int poll_cb (void)	639	static int poll_cb (void)
634	{	640	{
…		…
654	if (req)	660	if (req)
655	{	661	{
656	--npending;	662	--npending;
657		663
658	if (!res_queue.size)	664	if (!res_queue.size)
659	{
660	/* read any signals sent by the worker threads */	665	/* read any signals sent by the worker threads */
661	char buf [4];	666	s_epipe_drain (&respipe);
662	while (respipe_read (respipe [0], buf, 4) == 4)
663	;
664	}
665	}	667	}
666		668
667	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
668		670
669	if (!req)	671	if (!req)
…		…
704	return count;	706	return count;
705	}	707	}
706		708
707	/*****************************************************************************/	709	/*****************************************************************************/
708		710
		711	static void
		712	bdb_request (bdb_req req)
		713	{
		714	switch (req->type)
		715	{
		716	case REQ_ENV_OPEN:
		717	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		718	break;
		719
		720	case REQ_ENV_CLOSE:
		721	req->result = req->env->close (req->env, req->uint1);
		722	break;
		723
		724	case REQ_ENV_TXN_CHECKPOINT:
		725	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		726	break;
		727
		728	case REQ_ENV_LOCK_DETECT:
		729	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		730	break;
		731
		732	case REQ_ENV_MEMP_SYNC:
		733	req->result = req->env->memp_sync (req->env, 0);
		734	break;
		735
		736	case REQ_ENV_MEMP_TRICKLE:
		737	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		738	break;
		739
		740	case REQ_ENV_DBREMOVE:
		741	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		742	break;
		743
		744	case REQ_ENV_DBRENAME:
		745	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		746	break;
		747
		748	case REQ_DB_OPEN:
		749	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		750	break;
		751
		752	case REQ_DB_CLOSE:
		753	req->result = req->db->close (req->db, req->uint1);
		754	break;
		755
		756	#if DBVER >= 404
		757	case REQ_DB_COMPACT:
		758	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		759	break;
		760	#endif
		761
		762	case REQ_DB_SYNC:
		763	req->result = req->db->sync (req->db, req->uint1);
		764	break;
		765
		766	case REQ_DB_VERIFY:
		767	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		768	break;
		769
		770	case REQ_DB_UPGRADE:
		771	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		772	break;
		773
		774	case REQ_DB_PUT:
		775	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		776	break;
		777
		778	#if DBVER >= 406
		779	case REQ_DB_EXISTS:
		780	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		781	break;
		782	#endif
		783	case REQ_DB_GET:
		784	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		785	break;
		786
		787	case REQ_DB_PGET:
		788	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		789	break;
		790
		791	case REQ_DB_DEL:
		792	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		793	break;
		794
		795	case REQ_DB_KEY_RANGE:
		796	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		797	break;
		798
		799	case REQ_TXN_COMMIT:
		800	req->result = req->txn->commit (req->txn, req->uint1);
		801	break;
		802
		803	case REQ_TXN_ABORT:
		804	req->result = req->txn->abort (req->txn);
		805	break;
		806
		807	case REQ_TXN_FINISH:
		808	if (req->txn->flags & TXN_DEADLOCK)
		809	{
		810	req->result = req->txn->abort (req->txn);
		811	if (!req->result)
		812	req->result = DB_LOCK_DEADLOCK;
		813	}
		814	else
		815	req->result = req->txn->commit (req->txn, req->uint1);
		816	break;
		817
		818	case REQ_C_CLOSE:
		819	req->result = req->dbc->c_close (req->dbc);
		820	break;
		821
		822	case REQ_C_COUNT:
		823	{
		824	db_recno_t recno;
		825	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		826	req->uv1 = recno;
		827	}
		828	break;
		829
		830	case REQ_C_PUT:
		831	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		832	break;
		833
		834	case REQ_C_GET:
		835	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		836	break;
		837
		838	case REQ_C_PGET:
		839	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		840	break;
		841
		842	case REQ_C_DEL:
		843	req->result = req->dbc->c_del (req->dbc, req->uint1);
		844	break;
		845
		846	#if DBVER >= 403
		847	case REQ_SEQ_OPEN:
		848	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		849	break;
		850
		851	case REQ_SEQ_CLOSE:
		852	req->result = req->seq->close (req->seq, req->uint1);
		853	break;
		854
		855	case REQ_SEQ_GET:
		856	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		857	break;
		858
		859	case REQ_SEQ_REMOVE:
		860	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		861	break;
		862	#endif
		863
		864	case REQ_ENV_LOG_ARCHIVE:
		865	{
		866	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		867	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		868	req->buf1 = (char *)listp;
		869	}
		870	break;
		871
		872	default:
		873	req->result = ENOSYS;
		874	break;
		875	}
		876
		877	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		878	req->txn->flags |= TXN_DEADLOCK;
		879	}
		880
709	X_THREAD_PROC (bdb_proc)	881	X_THREAD_PROC (bdb_proc)
710	{	882	{
711	bdb_req req;	883	bdb_req req;
712	struct timespec ts;	884	struct timespec ts;
713	worker *self = (worker *)thr_arg;	885	worker *self = (worker *)thr_arg;
…		…
715	/* try to distribute timeouts somewhat evenly */	887	/* try to distribute timeouts somewhat evenly */
716	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	888	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
717		889
718	for (;;)	890	for (;;)
719	{	891	{
720	ts.tv_sec = time (0) + IDLE_TIMEOUT;	892	ts.tv_sec = time (0) + IDLE_TIMEOUT;
721		893
722	X_LOCK (reqlock);	894	X_LOCK (reqlock);
723		895
724	for (;;)	896	for (;;)
725	{	897	{
…		…
752	}	924	}
753		925
754	--nready;	926	--nready;
755		927
756	X_UNLOCK (reqlock);	928	X_UNLOCK (reqlock);
757		929
758	switch (req->type)	930	if (req->type == REQ_QUIT)
759	{	931	{
760	case REQ_QUIT:	932	X_LOCK (reslock);
761	req->result = ENOSYS;	933	free (req);
		934	self->req = 0;
		935	X_UNLOCK (reslock);
		936
762	goto quit;	937	goto quit;
763
764	case REQ_ENV_OPEN:
765	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
766	break;
767
768	case REQ_ENV_CLOSE:
769	req->result = req->env->close (req->env, req->uint1);
770	break;
771
772	case REQ_ENV_TXN_CHECKPOINT:
773	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
774	break;
775
776	case REQ_ENV_LOCK_DETECT:
777	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
778	break;
779
780	case REQ_ENV_MEMP_SYNC:
781	req->result = req->env->memp_sync (req->env, 0);
782	break;
783
784	case REQ_ENV_MEMP_TRICKLE:
785	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
786	break;
787
788	case REQ_ENV_DBREMOVE:
789	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
790	break;
791
792	case REQ_ENV_DBRENAME:
793	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
794	break;
795
796	case REQ_DB_OPEN:
797	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
798	break;
799
800	case REQ_DB_CLOSE:
801	req->result = req->db->close (req->db, req->uint1);
802	break;
803
804	#if DB_VERSION_MINOR >= 4
805	case REQ_DB_COMPACT:
806	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
807	break;
808	#endif
809
810	case REQ_DB_SYNC:
811	req->result = req->db->sync (req->db, req->uint1);
812	break;
813
814	case REQ_DB_UPGRADE:
815	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
816	break;
817
818	case REQ_DB_PUT:
819	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
820	break;
821
822	#if DB_VERSION_MINOR >= 6
823	case REQ_DB_EXISTS:
824	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
825	break;
826	#endif
827	case REQ_DB_GET:
828	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
829	break;
830
831	case REQ_DB_PGET:
832	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
833	break;
834
835	case REQ_DB_DEL:
836	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
837	break;
838
839	case REQ_DB_KEY_RANGE:
840	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
841	break;
842
843	case REQ_TXN_COMMIT:
844	req->result = req->txn->commit (req->txn, req->uint1);
845	break;
846
847	case REQ_TXN_ABORT:
848	req->result = req->txn->abort (req->txn);
849	break;
850
851	case REQ_TXN_FINISH:
852	if (req->txn->flags & TXN_DEADLOCK)
853	{
854	req->result = req->txn->abort (req->txn);
855	if (!req->result)
856	req->result = DB_LOCK_DEADLOCK;
857	}
858	else
859	req->result = req->txn->commit (req->txn, req->uint1);
860	break;
861
862	case REQ_C_CLOSE:
863	req->result = req->dbc->c_close (req->dbc);
864	break;
865
866	case REQ_C_COUNT:
867	{
868	db_recno_t recno;
869	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
870	req->uv1 = recno;
871	}
872	break;
873
874	case REQ_C_PUT:
875	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
876	break;
877
878	case REQ_C_GET:
879	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
880	break;
881
882	case REQ_C_PGET:
883	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
884	break;
885
886	case REQ_C_DEL:
887	req->result = req->dbc->c_del (req->dbc, req->uint1);
888	break;
889
890	#if DB_VERSION_MINOR >= 3
891	case REQ_SEQ_OPEN:
892	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
893	break;
894
895	case REQ_SEQ_CLOSE:
896	req->result = req->seq->close (req->seq, req->uint1);
897	break;
898
899	case REQ_SEQ_GET:
900	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
901	break;
902
903	case REQ_SEQ_REMOVE:
904	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
905	break;
906	#endif
907
908	default:
909	req->result = ENOSYS;
910	break;
911	}	938	}
912		939
913	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))	940	bdb_request (req);
914	req->txn->flags |= TXN_DEADLOCK;
915		941
916	X_LOCK (reslock);	942	X_LOCK (reslock);
917		943
918	++npending;	944	++npending;
919		945
920	if (!reqq_push (&res_queue, req))	946	if (!reqq_push (&res_queue, req))
921	/* write a dummy byte to the pipe so fh becomes ready */	947	s_epipe_signal (&respipe);
922	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
923		948
924	self->req = 0;	949	self->req = 0;
925	worker_clear (self);	950	worker_clear (self);
926		951
927	X_UNLOCK (reslock);	952	X_UNLOCK (reslock);
…		…
981	create_respipe ();	1006	create_respipe ();
982		1007
983	atfork_parent ();	1008	atfork_parent ();
984	}	1009	}
985		1010
986	#define dREQ(reqtype) \	1011	#define dREQ(reqtype,rsvcnt) \
987	bdb_req req; \	1012	bdb_req req; \
988	int req_pri = next_pri; \	1013	int req_pri = next_pri; \
989	next_pri = DEFAULT_PRI + PRI_BIAS; \	1014	next_pri = DEFAULT_PRI + PRI_BIAS; \
990	\	1015	\
991	if (callback && SvOK (callback)) \	1016	if (callback && SvOK (callback)) \
…		…
993	\	1018	\
994	Newz (0, req, 1, bdb_cb); \	1019	Newz (0, req, 1, bdb_cb); \
995	if (!req) \	1020	if (!req) \
996	croak ("out of memory during bdb_req allocation"); \	1021	croak ("out of memory during bdb_req allocation"); \
997	\	1022	\
998	req->callback = cb ? SvREFCNT_inc (cb) : 0; \	1023	req->callback = SvREFCNT_inc (cb); \
999	req->type = (reqtype); \	1024	req->type = (reqtype); \
1000	req->pri = req_pri	1025	req->pri = req_pri; \
		1026	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1027	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1028	(void)0;
1001		1029
1002	#define REQ_SEND \	1030	#define REQ_SEND \
1003	req_send (req)	1031	req_send (req)
1004		1032
1005	#define SvPTR(var, arg, type, class, nullok) \	1033	#define SvPTR(var, arg, type, stash, class, nullok) \
1006	if (!SvOK (arg)) \	1034	if (!SvOK (arg)) \
1007	{ \	1035	{ \
1008	if (nullok != 1) \	1036	if (nullok != 1) \
1009	croak (# var " must be a " # class " object, not undef"); \	1037	croak (# var " must be a " # class " object, not undef"); \
1010	\	1038	\
1011	(var) = 0; \	1039	(var) = 0; \
1012	} \	1040	} \
1013	else if (sv_derived_from ((arg), # class)) \	1041	else if (SvSTASH (SvRV (arg)) == stash || sv_derived_from ((arg), # class)) \
1014	{ \	1042	{ \
1015	IV tmp = SvIV ((SV*) SvRV (arg)); \	1043	IV tmp = SvIV ((SV*) SvRV (arg)); \
1016	(var) = INT2PTR (type, tmp); \	1044	(var) = INT2PTR (type, tmp); \
1017	if (!var && nullok != 2) \	1045	if (!var && nullok != 2) \
1018	croak (# var " is not a valid " # class " object anymore"); \	1046	croak (# var " is not a valid " # class " object anymore"); \
1019	} \	1047	} \
1020	else \	1048	else \
1021	croak (# var " is not of type " # class);	1049	croak (# var " is not of type " # class);
		1050
		1051	#define ARG_MUTABLE(name) \
		1052	if (SvREADONLY (name)) \
		1053	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1054
		1055	static SV *
		1056	newSVptr (void *ptr, HV *stash)
		1057	{
		1058	SV *rv = NEWSV (0, 0);
		1059	sv_upgrade (rv, SVt_PVMG);
		1060	sv_setiv (rv, PTR2IV (ptr));
		1061
		1062	return sv_bless (newRV_noinc (rv), stash);
		1063	}
1022		1064
1023	static void	1065	static void
1024	ptr_nuke (SV *sv)	1066	ptr_nuke (SV *sv)
1025	{	1067	{
1026	assert (SvROK (sv));	1068	assert (SvROK (sv));
…		…
1097	}	1139	}
1098		1140
1099	return 0;	1141	return 0;
1100	}	1142	}
1101		1143
		1144	/*****************************************************************************/
		1145
		1146	#if 0
		1147	static int
		1148	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1149	{
		1150	ssize_t size1 = dbt1->size;
		1151	ssize_t size2 = dbt2->size;
		1152	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1153	size1 <= size2 ? size1 : size2);
		1154
		1155	if (res)
		1156	return res;
		1157	else if (size1 - size2)
		1158	return size1 - size2;
		1159	else
		1160	return 0;
		1161	}
		1162
		1163	static size_t
		1164	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1165	{
		1166	ssize_t size1 = dbt1->size;
		1167	ssize_t size2 = dbt2->size;
		1168	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1169	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1170	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1171
		1172	while (p1 < pe)
		1173	if (*p1++ != *p2++)
		1174	return p1 - (u_int8_t *)dbt1->data - 1;
		1175
		1176	if (size1 < size2) return size1 + 1;
		1177	if (size1 > size2) return size2 + 1;
		1178
		1179	return size1;
		1180	}
		1181	#endif
		1182
		1183	/*****************************************************************************/
		1184
1102	/* stupid windoes defined CALLBACK as well */	1185	/* stupid windows defines CALLBACK as well */
1103	#undef CALLBACK	1186	#undef CALLBACK
1104	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));	1187	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1105		1188
1106	MODULE = BDB PACKAGE = BDB	1189	MODULE = BDB PACKAGE = BDB
1107		1190
1108	PROTOTYPES: ENABLE	1191	PROTOTYPES: ENABLE
1109		1192
1110	BOOT:	1193	BOOT:
1111	{	1194	{
1112	HV *stash = gv_stashpv ("BDB", 1);
1113
1114	static const struct {	1195	static const struct {
1115	const char *name;	1196	const char *name;
1116	IV iv;	1197	IV iv;
1117	} *civ, const_iv[] = {	1198	} *civ, const_iv[] = {
1118	#define const_iv(name) { # name, (IV)DB_ ## name },	1199	#define const_iv(name) { # name, (IV)DB_ ## name },
		1200	#if DBVER <= 408
1119	const_iv (RPCCLIENT)	1201	const_iv (RPCCLIENT)
		1202	#endif
1120	const_iv (INIT_CDB)	1203	const_iv (INIT_CDB)
1121	const_iv (INIT_LOCK)	1204	const_iv (INIT_LOCK)
1122	const_iv (INIT_LOG)	1205	const_iv (INIT_LOG)
1123	const_iv (INIT_MPOOL)	1206	const_iv (INIT_MPOOL)
1124	const_iv (INIT_REP)	1207	const_iv (INIT_REP)
…		…
1147	const_iv (TXN_NOT_DURABLE)	1230	const_iv (TXN_NOT_DURABLE)
1148	const_iv (TXN_WRITE_NOSYNC)	1231	const_iv (TXN_WRITE_NOSYNC)
1149	const_iv (WRITECURSOR)	1232	const_iv (WRITECURSOR)
1150	const_iv (YIELDCPU)	1233	const_iv (YIELDCPU)
1151	const_iv (ENCRYPT_AES)	1234	const_iv (ENCRYPT_AES)
		1235	#if DBVER < 408
1152	const_iv (XA_CREATE)	1236	const_iv (XA_CREATE)
		1237	#endif
1153	const_iv (BTREE)	1238	const_iv (BTREE)
1154	const_iv (HASH)	1239	const_iv (HASH)
1155	const_iv (QUEUE)	1240	const_iv (QUEUE)
1156	const_iv (RECNO)	1241	const_iv (RECNO)
1157	const_iv (UNKNOWN)	1242	const_iv (UNKNOWN)
…		…
1160	const_iv (NOSYNC)	1245	const_iv (NOSYNC)
1161	const_iv (CHKSUM)	1246	const_iv (CHKSUM)
1162	const_iv (ENCRYPT)	1247	const_iv (ENCRYPT)
1163	const_iv (DUP)	1248	const_iv (DUP)
1164	const_iv (DUPSORT)	1249	const_iv (DUPSORT)
1165	const_iv (RECNUM)	1250	//const_iv (RECNUM)
1166	const_iv (RENUMBER)	1251	const_iv (RENUMBER)
1167	const_iv (REVSPLITOFF)	1252	const_iv (REVSPLITOFF)
1168	const_iv (CONSUME)	1253	const_iv (CONSUME)
1169	const_iv (CONSUME_WAIT)	1254	const_iv (CONSUME_WAIT)
1170	const_iv (GET_BOTH)	1255	const_iv (GET_BOTH)
…		…
1221	const_iv (LOCK_OLDEST)	1306	const_iv (LOCK_OLDEST)
1222	const_iv (LOCK_RANDOM)	1307	const_iv (LOCK_RANDOM)
1223	const_iv (LOCK_YOUNGEST)	1308	const_iv (LOCK_YOUNGEST)
1224		1309
1225	const_iv (DONOTINDEX)	1310	const_iv (DONOTINDEX)
1226	const_iv (KEYEMPTY )	1311	const_iv (KEYEMPTY)
1227	const_iv (KEYEXIST )	1312	const_iv (KEYEXIST)
1228	const_iv (LOCK_DEADLOCK)	1313	const_iv (LOCK_DEADLOCK)
1229	const_iv (LOCK_NOTGRANTED)	1314	const_iv (LOCK_NOTGRANTED)
1230	const_iv (NOSERVER)	1315	const_iv (NOSERVER)
		1316	#if DBVER < 502
1231	const_iv (NOSERVER_HOME)	1317	const_iv (NOSERVER_HOME)
1232	const_iv (NOSERVER_ID)	1318	const_iv (NOSERVER_ID)
		1319	#endif
1233	const_iv (NOTFOUND)	1320	const_iv (NOTFOUND)
1234	const_iv (PAGE_NOTFOUND)	1321	const_iv (PAGE_NOTFOUND)
1235	const_iv (REP_DUPMASTER)	1322	const_iv (REP_DUPMASTER)
1236	const_iv (REP_HANDLE_DEAD)	1323	const_iv (REP_HANDLE_DEAD)
1237	const_iv (REP_HOLDELECTION)	1324	const_iv (REP_HOLDELECTION)
…		…
1242	const_iv (REP_UNAVAIL)	1329	const_iv (REP_UNAVAIL)
1243	const_iv (RUNRECOVERY)	1330	const_iv (RUNRECOVERY)
1244	const_iv (SECONDARY_BAD)	1331	const_iv (SECONDARY_BAD)
1245	const_iv (VERIFY_BAD)	1332	const_iv (VERIFY_BAD)
1246		1333
		1334	const_iv (SALVAGE)
		1335	const_iv (AGGRESSIVE)
		1336	const_iv (PRINTABLE)
		1337	const_iv (NOORDERCHK)
		1338	const_iv (ORDERCHKONLY)
		1339
		1340	const_iv (ARCH_ABS)
		1341	const_iv (ARCH_DATA)
		1342	const_iv (ARCH_LOG)
		1343	const_iv (ARCH_REMOVE)
		1344
1247	const_iv (VERB_DEADLOCK)	1345	const_iv (VERB_DEADLOCK)
1248	const_iv (VERB_RECOVERY)	1346	const_iv (VERB_RECOVERY)
1249	const_iv (VERB_REPLICATION)	1347	const_iv (VERB_REPLICATION)
1250	const_iv (VERB_WAITSFOR)	1348	const_iv (VERB_WAITSFOR)
1251		1349
1252	const_iv (VERSION_MAJOR)	1350	const_iv (VERSION_MAJOR)
1253	const_iv (VERSION_MINOR)	1351	const_iv (VERSION_MINOR)
1254	const_iv (VERSION_PATCH)	1352	const_iv (VERSION_PATCH)
1255	#if DB_VERSION_MINOR >= 3	1353	const_iv (LOGVERSION)
		1354	const_iv (LOGOLDVER)
		1355	#if DBVER >= 403
1256	const_iv (INORDER)	1356	const_iv (INORDER)
1257	const_iv (LOCK_MAXWRITE)	1357	const_iv (LOCK_MAXWRITE)
1258	const_iv (SEQ_DEC)	1358	const_iv (SEQ_DEC)
1259	const_iv (SEQ_INC)	1359	const_iv (SEQ_INC)
1260	const_iv (SEQ_WRAP)	1360	const_iv (SEQ_WRAP)
1261	const_iv (BUFFER_SMALL)	1361	const_iv (BUFFER_SMALL)
1262	const_iv (LOG_BUFFER_FULL)	1362	const_iv (LOG_BUFFER_FULL)
1263	const_iv (VERSION_MISMATCH)	1363	const_iv (VERSION_MISMATCH)
1264	#endif	1364	#endif
1265	#if DB_VERSION_MINOR >= 4	1365	#if DBVER >= 404
1266	const_iv (REGISTER)	1366	const_iv (REGISTER)
1267	const_iv (DSYNC_DB)	1367	const_iv (DSYNC_DB)
1268	const_iv (READ_COMMITTED)	1368	const_iv (READ_COMMITTED)
1269	const_iv (READ_UNCOMMITTED)	1369	const_iv (READ_UNCOMMITTED)
1270	const_iv (REP_IGNORE)	1370	const_iv (REP_IGNORE)
…		…
1272	const_iv (REP_JOIN_FAILURE)	1372	const_iv (REP_JOIN_FAILURE)
1273	const_iv (FREE_SPACE)	1373	const_iv (FREE_SPACE)
1274	const_iv (FREELIST_ONLY)	1374	const_iv (FREELIST_ONLY)
1275	const_iv (VERB_REGISTER)	1375	const_iv (VERB_REGISTER)
1276	#endif	1376	#endif
1277	#if DB_VERSION_MINOR >= 5	1377	#if DBVER >= 405
1278	const_iv (MULTIVERSION)	1378	const_iv (MULTIVERSION)
1279	const_iv (TXN_SNAPSHOT)	1379	const_iv (TXN_SNAPSHOT)
1280	#endif	1380	#endif
1281	#if DB_VERSION_MINOR >= 6	1381	#if DBVER >= 406
1282	const_iv (PREV_DUP)	1382	const_iv (PREV_DUP)
1283	const_iv (PRIORITY_UNCHANGED)	1383	const_iv (PRIORITY_UNCHANGED)
1284	const_iv (PRIORITY_VERY_LOW)	1384	const_iv (PRIORITY_VERY_LOW)
1285	const_iv (PRIORITY_LOW)	1385	const_iv (PRIORITY_LOW)
1286	const_iv (PRIORITY_DEFAULT)	1386	const_iv (PRIORITY_DEFAULT)
1287	const_iv (PRIORITY_HIGH)	1387	const_iv (PRIORITY_HIGH)
1288	const_iv (PRIORITY_VERY_HIGH)	1388	const_iv (PRIORITY_VERY_HIGH)
		1389	const_iv (IGNORE_LEASE)
1289	#endif	1390	#endif
1290	#if DB_VERSION_MINOR >= 7	1391	#if DBVER >= 407
		1392	//const_iv (MULTIPLE_KEY)
1291	const_iv (LOG_DIRECT)	1393	const_iv (LOG_DIRECT)
1292	const_iv (LOG_DSYNC)	1394	const_iv (LOG_DSYNC)
1293	const_iv (LOG_AUTO_REMOVE)	1395	const_iv (LOG_AUTO_REMOVE)
1294	const_iv (LOG_IN_MEMORY)	1396	const_iv (LOG_IN_MEMORY)
1295	const_iv (LOG_ZERO)	1397	const_iv (LOG_ZERO)
1296	#else	1398	#else
1297	const_iv (DIRECT_LOG)	1399	const_iv (DIRECT_LOG)
1298	const_iv (LOG_AUTOREMOVE)	1400	const_iv (LOG_AUTOREMOVE)
1299	# if DB_VERSION_MINOR >= 3	1401	# if DBVER >= 403
1300	const_iv (DSYNC_LOG)	1402	const_iv (DSYNC_LOG)
1301	const_iv (LOG_INMEMORY)	1403	const_iv (LOG_INMEMORY)
1302	# endif	1404	# endif
		1405	#if DBVER >= 408
		1406	const_iv (LOGVERSION_LATCHING)
		1407	#endif
1303	#endif	1408	#endif
1304	};	1409	};
1305		1410
		1411	bdb_stash = gv_stashpv ("BDB" , 1);
		1412	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1413	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1414	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1415	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1416	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1417
1306	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1418	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1307	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1419	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
		1420
		1421	prepare_cb = &PL_sv_undef;
1308		1422
1309	{	1423	{
1310	/* we currently only allow version, minor-version and patchlevel to go up to 255 */	1424	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
1311	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };	1425	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1312		1426
1313	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));	1427	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
1314	}	1428	}
1315		1429
1316	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1430	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1317		1431
1318	create_respipe ();	1432	create_respipe ();
1319		1433
1320	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1434	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1321	patch_errno ();	1435	patch_errno ();
…		…
1399		1513
1400	int	1514	int
1401	poll_fileno ()	1515	poll_fileno ()
1402	PROTOTYPE:	1516	PROTOTYPE:
1403	CODE:	1517	CODE:
1404	RETVAL = respipe [0];	1518	RETVAL = s_epipe_fd (&respipe);
1405	OUTPUT:	1519	OUTPUT:
1406	RETVAL	1520	RETVAL
1407		1521
1408	int	1522	int
1409	poll_cb (...)	1523	poll_cb (...)
…		…
1451	RETVAL = started;	1565	RETVAL = started;
1452	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1566	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1453	OUTPUT:	1567	OUTPUT:
1454	RETVAL	1568	RETVAL
1455		1569
1456	void	1570	SV *
1457	set_sync_prepare (SV *cb)	1571	set_sync_prepare (SV *cb)
1458	PROTOTYPE: &	1572	PROTOTYPE: &
1459	CODE:	1573	CODE:
1460	SvREFCNT_dec (prepare_cb);	1574	RETVAL = prepare_cb;
1461	prepare_cb = newSVsv (cb);	1575	prepare_cb = newSVsv (cb);
		1576	OUTPUT:
		1577	RETVAL
1462		1578
1463	char *	1579	char *
1464	strerror (int errorno = errno)	1580	strerror (int errorno = errno)
1465	PROTOTYPE: ;$	1581	PROTOTYPE: ;$
1466	CODE:	1582	CODE:
…		…
1494	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)	1610	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
1495	PREINIT:	1611	PREINIT:
1496	CALLBACK	1612	CALLBACK
1497	CODE:	1613	CODE:
1498	{	1614	{
1499	dREQ (REQ_ENV_OPEN);	1615	dREQ (REQ_ENV_OPEN, 1);
1500	req->env = env;	1616	req->env = env;
1501	req->uint1 = open_flags | DB_THREAD;	1617	req->uint1 = open_flags | DB_THREAD;
1502	req->int1 = mode;	1618	req->int1 = mode;
1503	req->buf1 = strdup_ornull (db_home);	1619	req->buf1 = strdup_ornull (db_home);
1504	REQ_SEND;	1620	REQ_SEND;
…		…
1508	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1624	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
1509	PREINIT:	1625	PREINIT:
1510	CALLBACK	1626	CALLBACK
1511	CODE:	1627	CODE:
1512	{	1628	{
1513	dREQ (REQ_ENV_CLOSE);	1629	dREQ (REQ_ENV_CLOSE, 0);
		1630	ptr_nuke (ST (0));
1514	req->env = env;	1631	req->env = env;
1515	req->uint1 = flags;	1632	req->uint1 = flags;
1516	REQ_SEND;	1633	REQ_SEND;
1517	ptr_nuke (ST (0));
1518	}	1634	}
1519		1635
1520	void	1636	void
1521	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)	1637	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
1522	PREINIT:	1638	PREINIT:
1523	CALLBACK	1639	CALLBACK
1524	CODE:	1640	CODE:
1525	{	1641	{
1526	dREQ (REQ_ENV_TXN_CHECKPOINT);	1642	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1527	req->env = env;	1643	req->env = env;
1528	req->uint1 = kbyte;	1644	req->uint1 = kbyte;
1529	req->int1 = min;	1645	req->int1 = min;
1530	req->uint2 = flags;	1646	req->uint2 = flags;
1531	REQ_SEND;	1647	REQ_SEND;
…		…
1535	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)	1651	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
1536	PREINIT:	1652	PREINIT:
1537	CALLBACK	1653	CALLBACK
1538	CODE:	1654	CODE:
1539	{	1655	{
1540	dREQ (REQ_ENV_LOCK_DETECT);	1656	dREQ (REQ_ENV_LOCK_DETECT, 1);
1541	req->env = env;	1657	req->env = env;
1542	req->uint1 = flags;	1658	req->uint1 = flags;
1543	req->uint2 = atype;	1659	req->uint2 = atype;
1544	/* req->int2 = 0; dummy */	1660	/* req->int2 = 0; dummy */
1545	REQ_SEND;	1661	REQ_SEND;
…		…
1549	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)	1665	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
1550	PREINIT:	1666	PREINIT:
1551	CALLBACK	1667	CALLBACK
1552	CODE:	1668	CODE:
1553	{	1669	{
1554	dREQ (REQ_ENV_MEMP_SYNC);	1670	dREQ (REQ_ENV_MEMP_SYNC, 1);
1555	req->env = env;	1671	req->env = env;
1556	REQ_SEND;	1672	REQ_SEND;
1557	}	1673	}
1558		1674
1559	void	1675	void
1560	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)	1676	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
1561	PREINIT:	1677	PREINIT:
1562	CALLBACK	1678	CALLBACK
1563	CODE:	1679	CODE:
1564	{	1680	{
1565	dREQ (REQ_ENV_MEMP_TRICKLE);	1681	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1566	req->env = env;	1682	req->env = env;
1567	req->int1 = percent;	1683	req->int1 = percent;
1568	REQ_SEND;	1684	REQ_SEND;
1569	}	1685	}
1570		1686
…		…
1572	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)	1688	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
1573	PREINIT:	1689	PREINIT:
1574	CALLBACK	1690	CALLBACK
1575	CODE:	1691	CODE:
1576	{	1692	{
1577	dREQ (REQ_ENV_DBREMOVE);	1693	dREQ (REQ_ENV_DBREMOVE, 2);
1578	req->env = env;	1694	req->env = env;
1579	req->buf1 = strdup_ornull (file);	1695	req->buf1 = strdup_ornull (file);
1580	req->buf2 = strdup_ornull (database);	1696	req->buf2 = strdup_ornull (database);
1581	req->uint1 = flags;	1697	req->uint1 = flags;
1582	REQ_SEND;	1698	REQ_SEND;
…		…
1586	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)	1702	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
1587	PREINIT:	1703	PREINIT:
1588	CALLBACK	1704	CALLBACK
1589	CODE:	1705	CODE:
1590	{	1706	{
1591	dREQ (REQ_ENV_DBRENAME);	1707	dREQ (REQ_ENV_DBRENAME, 2);
1592	req->env = env;	1708	req->env = env;
1593	req->buf1 = strdup_ornull (file);	1709	req->buf1 = strdup_ornull (file);
1594	req->buf2 = strdup_ornull (database);	1710	req->buf2 = strdup_ornull (database);
1595	req->buf3 = strdup_ornull (newname);	1711	req->buf3 = strdup_ornull (newname);
1596	req->uint1 = flags;	1712	req->uint1 = flags;
1597	REQ_SEND;	1713	REQ_SEND;
1598	}	1714	}
1599		1715
		1716	void
		1717	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1718	PREINIT:
		1719	CALLBACK
		1720	CODE:
		1721	{
		1722	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1723	req->sv1 = SvREFCNT_inc (listp);
		1724	req->env = env;
		1725	req->uint1 = flags;
		1726	REQ_SEND;
		1727	}
		1728
1600	DB *	1729	DB *
1601	db_create (DB_ENV *env = 0, U32 flags = 0)	1730	db_create (DB_ENV *env = 0, U32 flags = 0)
1602	CODE:	1731	CODE:
1603	{	1732	{
1604	errno = db_create (&RETVAL, env, flags);	1733	errno = db_create (&RETVAL, env, flags);
…		…
1615	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)	1744	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
1616	PREINIT:	1745	PREINIT:
1617	CALLBACK	1746	CALLBACK
1618	CODE:	1747	CODE:
1619	{	1748	{
1620	dREQ (REQ_DB_OPEN);	1749	dREQ (REQ_DB_OPEN, 2);
1621	req->db = db;	1750	req->db = db;
1622	req->txn = txnid;	1751	req->txn = txnid;
1623	req->buf1 = strdup_ornull (file);	1752	req->buf1 = strdup_ornull (file);
1624	req->buf2 = strdup_ornull (database);	1753	req->buf2 = strdup_ornull (database);
1625	req->int1 = type;	1754	req->int1 = type;
…		…
1632	db_close (DB *db, U32 flags = 0, SV *callback = 0)	1761	db_close (DB *db, U32 flags = 0, SV *callback = 0)
1633	PREINIT:	1762	PREINIT:
1634	CALLBACK	1763	CALLBACK
1635	CODE:	1764	CODE:
1636	{	1765	{
1637	dREQ (REQ_DB_CLOSE);	1766	dREQ (REQ_DB_CLOSE, 0);
		1767	ptr_nuke (ST (0));
1638	req->db = db;	1768	req->db = db;
1639	req->uint1 = flags;	1769	req->uint1 = flags;
1640	req->sv1 = (SV *)db->app_private;	1770	req->sv1 = (SV *)db->app_private;
1641	REQ_SEND;	1771	REQ_SEND;
1642	ptr_nuke (ST (0));
1643	}	1772	}
1644		1773
1645	#if DB_VERSION_MINOR >= 4	1774	#if DBVER >= 404
1646		1775
1647	void	1776	void
1648	db_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 = 0)	1777	db_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 = 0)
1649	PREINIT:	1778	PREINIT:
1650	CALLBACK	1779	CALLBACK
1651	CODE:	1780	CODE:
1652	{	1781	{
1653	dREQ (REQ_DB_COMPACT);	1782	dREQ (REQ_DB_COMPACT, 2);
1654	req->db = db;	1783	req->db = db;
1655	req->txn = txn;	1784	req->txn = txn;
1656	sv_to_dbt (&req->dbt1, start);	1785	if (start) sv_to_dbt (&req->dbt1, start);
1657	sv_to_dbt (&req->dbt2, stop);	1786	if (stop ) sv_to_dbt (&req->dbt2, stop );
1658	req->uint1 = flags;	1787	req->uint1 = flags;
1659	REQ_SEND;	1788	REQ_SEND;
1660	}	1789	}
1661		1790
1662	#endif	1791	#endif
…		…
1665	db_sync (DB *db, U32 flags = 0, SV *callback = 0)	1794	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
1666	PREINIT:	1795	PREINIT:
1667	CALLBACK	1796	CALLBACK
1668	CODE:	1797	CODE:
1669	{	1798	{
1670	dREQ (REQ_DB_SYNC);	1799	dREQ (REQ_DB_SYNC, 1);
1671	req->db = db;	1800	req->db = db;
1672	req->uint1 = flags;	1801	req->uint1 = flags;
1673	REQ_SEND;	1802	REQ_SEND;
1674	}	1803	}
1675		1804
1676	void	1805	void
		1806	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1807	PREINIT:
		1808	CALLBACK
		1809	CODE:
		1810	{
		1811	dREQ (REQ_DB_VERIFY, 1);
		1812	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1813	req->db = db;
		1814	req->buf1 = strdup (file);
		1815	req->buf2 = strdup_ornull (database);
		1816	req->uint1 = flags;
		1817	REQ_SEND;
		1818	}
		1819
		1820	void
1677	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)	1821	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1678	PREINIT:	1822	PREINIT:
1679	CALLBACK	1823	CALLBACK
1680	CODE:	1824	CODE:
1681	{	1825	{
1682	dREQ (REQ_DB_SYNC);	1826	dREQ (REQ_DB_UPGRADE, 1);
1683	req->db = db;	1827	req->db = db;
1684	req->buf1 = strdup (file);	1828	req->buf1 = strdup (file);
1685	req->uint1 = flags;	1829	req->uint1 = flags;
1686	REQ_SEND;	1830	REQ_SEND;
1687	}	1831	}
1688		1832
1689	void	1833	void
1690	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)	1834	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
1691	PREINIT:	1835	PREINIT:
1692	CALLBACK	1836	CALLBACK
1693	CODE:	1837	CODE:
1694	{	1838	{
1695	dREQ (REQ_DB_KEY_RANGE);	1839	dREQ (REQ_DB_KEY_RANGE, 2);
1696	req->db = db;	1840	req->db = db;
1697	req->txn = txn;	1841	req->txn = txn;
1698	sv_to_dbt (&req->dbt1, key);	1842	sv_to_dbt (&req->dbt1, key);
1699	req->uint1 = flags;	1843	req->uint1 = flags;
1700	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1844	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
…		…
1705	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)	1849	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1706	PREINIT:	1850	PREINIT:
1707	CALLBACK	1851	CALLBACK
1708	CODE:	1852	CODE:
1709	{	1853	{
1710	dREQ (REQ_DB_PUT);	1854	dREQ (REQ_DB_PUT, 2);
1711	req->db = db;	1855	req->db = db;
1712	req->txn = txn;	1856	req->txn = txn;
1713	sv_to_dbt (&req->dbt1, key);	1857	sv_to_dbt (&req->dbt1, key);
1714	sv_to_dbt (&req->dbt2, data);	1858	sv_to_dbt (&req->dbt2, data);
1715	req->uint1 = flags;	1859	req->uint1 = flags;
1716	REQ_SEND;	1860	REQ_SEND;
1717	}	1861	}
1718		1862
1719	#if DB_VERSION_MINOR >= 6	1863	#if DBVER >= 406
1720		1864
1721	void	1865	void
1722	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)	1866	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
1723	PREINIT:	1867	PREINIT:
1724	CALLBACK	1868	CALLBACK
1725	CODE:	1869	CODE:
1726	{	1870	{
1727	dREQ (REQ_DB_EXISTS);	1871	dREQ (REQ_DB_EXISTS, 2);
1728	req->db = db;	1872	req->db = db;
1729	req->txn = txn;	1873	req->txn = txn;
1730	req->uint1 = flags;	1874	req->uint1 = flags;
1731	sv_to_dbt (&req->dbt1, key);	1875	sv_to_dbt (&req->dbt1, key);
1732	REQ_SEND;	1876	REQ_SEND;
1733	}	1877	}
1734		1878
1735	#endif	1879	#endif
1736		1880
1737	void	1881	void
1738	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)	1882	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1739	PREINIT:	1883	PREINIT:
1740	CALLBACK	1884	CALLBACK
1741	CODE:	1885	CODE:
1742	if (SvREADONLY (data))
1743	croak ("can't modify read-only data scalar in db_get");
1744	{	1886	{
		1887	//TODO: key is somtimesmutable
1745	dREQ (REQ_DB_GET);	1888	dREQ (REQ_DB_GET, 2);
1746	req->db = db;	1889	req->db = db;
1747	req->txn = txn;	1890	req->txn = txn;
1748	req->uint1 = flags;	1891	req->uint1 = flags;
1749	sv_to_dbt (&req->dbt1, key);	1892	sv_to_dbt (&req->dbt1, key);
1750	req->dbt3.flags = DB_DBT_MALLOC;	1893	req->dbt3.flags = DB_DBT_MALLOC;
1751	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1894	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1752	REQ_SEND;	1895	REQ_SEND;
1753	}	1896	}
1754		1897
1755	void	1898	void
1756	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)	1899	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1757	PREINIT:	1900	PREINIT:
1758	CALLBACK	1901	CALLBACK
1759	CODE:	1902	CODE:
1760	if (SvREADONLY (data))
1761	croak ("can't modify read-only data scalar in db_pget");
1762	{	1903	{
		1904	//TODO: key is somtimesmutable
1763	dREQ (REQ_DB_PGET);	1905	dREQ (REQ_DB_PGET, 2);
		1906	req->db = db;
		1907	req->txn = txn;
		1908	req->uint1 = flags;
		1909
		1910	sv_to_dbt (&req->dbt1, key);
		1911
		1912	req->dbt2.flags = DB_DBT_MALLOC;
		1913	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1914
		1915	req->dbt3.flags = DB_DBT_MALLOC;
		1916	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1917	REQ_SEND;
		1918	}
		1919
		1920	void
		1921	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1922	PREINIT:
		1923	CALLBACK
		1924	CODE:
		1925	{
		1926	dREQ (REQ_DB_DEL, 2);
1764	req->db = db;	1927	req->db = db;
1765	req->txn = txn;	1928	req->txn = txn;
1766	req->uint1 = flags;	1929	req->uint1 = flags;
1767	sv_to_dbt (&req->dbt1, key);	1930	sv_to_dbt (&req->dbt1, key);
1768	sv_to_dbt (&req->dbt2, pkey);
1769	req->dbt3.flags = DB_DBT_MALLOC;
1770	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1771	REQ_SEND;	1931	REQ_SEND;
1772	}	1932	}
1773		1933
1774	void	1934	void
1775	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)	1935	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1776	PREINIT:	1936	PREINIT:
1777	CALLBACK	1937	CALLBACK
1778	CODE:	1938	CODE:
1779	{	1939	{
1780	dREQ (REQ_DB_DEL);	1940	dREQ (REQ_TXN_COMMIT, 0);
1781	req->db = db;	1941	ptr_nuke (ST (0));
1782	req->txn = txn;	1942	req->txn = txn;
1783	req->uint1 = flags;	1943	req->uint1 = flags;
1784	sv_to_dbt (&req->dbt1, key);
1785	REQ_SEND;	1944	REQ_SEND;
1786	}	1945	}
1787		1946
1788	void	1947	void
		1948	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1949	PREINIT:
		1950	CALLBACK
		1951	CODE:
		1952	{
		1953	dREQ (REQ_TXN_ABORT, 0);
		1954	ptr_nuke (ST (0));
		1955	req->txn = txn;
		1956	REQ_SEND;
		1957	}
		1958
		1959	void
1789	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)	1960	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1790	PREINIT:	1961	PREINIT:
1791	CALLBACK	1962	CALLBACK
1792	CODE:	1963	CODE:
1793	{	1964	{
1794	dREQ (REQ_TXN_COMMIT);	1965	dREQ (REQ_TXN_FINISH, 0);
		1966	ptr_nuke (ST (0));
1795	req->txn = txn;	1967	req->txn = txn;
1796	req->uint1 = flags;	1968	req->uint1 = flags;
1797	REQ_SEND;	1969	REQ_SEND;
		1970	}
		1971
		1972	void
		1973	db_c_close (DBC *dbc, SV *callback = 0)
		1974	PREINIT:
		1975	CALLBACK
		1976	CODE:
		1977	{
		1978	dREQ (REQ_C_CLOSE, 0);
1798	ptr_nuke (ST (0));	1979	ptr_nuke (ST (0));
1799	}
1800
1801	void
1802	db_txn_abort (DB_TXN *txn, SV *callback = 0)
1803	PREINIT:
1804	CALLBACK
1805	CODE:
1806	{
1807	dREQ (REQ_TXN_ABORT);
1808	req->txn = txn;
1809	REQ_SEND;
1810	ptr_nuke (ST (0));
1811	}
1812
1813	void
1814	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
1815	PREINIT:
1816	CALLBACK
1817	CODE:
1818	{
1819	dREQ (REQ_TXN_FINISH);
1820	req->txn = txn;
1821	req->uint1 = flags;
1822	REQ_SEND;
1823	ptr_nuke (ST (0));
1824	}
1825
1826	void
1827	db_c_close (DBC *dbc, SV *callback = 0)
1828	PREINIT:
1829	CALLBACK
1830	CODE:
1831	{
1832	dREQ (REQ_C_CLOSE);
1833	req->dbc = dbc;	1980	req->dbc = dbc;
1834	REQ_SEND;	1981	REQ_SEND;
1835	ptr_nuke (ST (0));
1836	}	1982	}
1837		1983
1838	void	1984	void
1839	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)	1985	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
1840	PREINIT:	1986	PREINIT:
1841	CALLBACK	1987	CALLBACK
1842	CODE:	1988	CODE:
1843	{	1989	{
1844	dREQ (REQ_C_COUNT);	1990	dREQ (REQ_C_COUNT, 1);
1845	req->dbc = dbc;	1991	req->dbc = dbc;
1846	req->sv1 = SvREFCNT_inc (count);	1992	req->sv1 = SvREFCNT_inc (count);
1847	REQ_SEND;	1993	REQ_SEND;
1848	}	1994	}
1849		1995
…		…
1851	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)	1997	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
1852	PREINIT:	1998	PREINIT:
1853	CALLBACK	1999	CALLBACK
1854	CODE:	2000	CODE:
1855	{	2001	{
1856	dREQ (REQ_C_PUT);	2002	dREQ (REQ_C_PUT, 1);
1857	req->dbc = dbc;	2003	req->dbc = dbc;
1858	sv_to_dbt (&req->dbt1, key);	2004	sv_to_dbt (&req->dbt1, key);
1859	sv_to_dbt (&req->dbt2, data);	2005	sv_to_dbt (&req->dbt2, data);
1860	req->uint1 = flags;	2006	req->uint1 = flags;
1861	REQ_SEND;	2007	REQ_SEND;
1862	}	2008	}
1863		2009
1864	void	2010	void
1865	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)	2011	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
1866	PREINIT:	2012	PREINIT:
1867	CALLBACK	2013	CALLBACK
1868	CODE:	2014	CODE:
1869	{	2015	{
		2016	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2017	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2018	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2019	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2020	"key",
		2021	"BDB::db_c_get");
		2022
		2023	{
1870	dREQ (REQ_C_GET);	2024	dREQ (REQ_C_GET, 1);
		2025	req->dbc = dbc;
		2026	req->uint1 = flags;
		2027	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2028	sv_to_dbt (&req->dbt1, key);
		2029	else
		2030	{
		2031	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2032	sv_to_dbt (&req->dbt1, key);
		2033	else
		2034	req->dbt1.flags = DB_DBT_MALLOC;
		2035
		2036	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2037	}
		2038
		2039	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2040	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2041	sv_to_dbt (&req->dbt3, data);
		2042	else
		2043	req->dbt3.flags = DB_DBT_MALLOC;
		2044
		2045	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2046	REQ_SEND;
		2047	}
		2048	}
		2049
		2050	void
		2051	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2052	PREINIT:
		2053	CALLBACK
		2054	CODE:
		2055	{
		2056	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2057	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2058	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2059	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2060	"key",
		2061	"BDB::db_c_pget");
		2062
		2063	{
		2064	dREQ (REQ_C_PGET, 1);
		2065	req->dbc = dbc;
		2066	req->uint1 = flags;
		2067	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2068	sv_to_dbt (&req->dbt1, key);
		2069	else
		2070	{
		2071	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2072	sv_to_dbt (&req->dbt1, key);
		2073	else
		2074	req->dbt1.flags = DB_DBT_MALLOC;
		2075
		2076	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2077	}
		2078
		2079	req->dbt2.flags = DB_DBT_MALLOC;
		2080	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2081
		2082	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2083	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2084	sv_to_dbt (&req->dbt3, data);
		2085	else
		2086	req->dbt3.flags = DB_DBT_MALLOC;
		2087
		2088	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2089	REQ_SEND;
		2090	}
		2091	}
		2092
		2093	void
		2094	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2095	PREINIT:
		2096	CALLBACK
		2097	CODE:
		2098	{
		2099	dREQ (REQ_C_DEL, 1);
1871	req->dbc = dbc;	2100	req->dbc = dbc;
1872	req->uint1 = flags;	2101	req->uint1 = flags;
1873	if ((flags & DB_SET) == DB_SET
1874	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1875	sv_to_dbt (&req->dbt1, key);
1876	else
1877	req->dbt1.flags = DB_DBT_MALLOC;
1878
1879	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1880
1881	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1882	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1883	sv_to_dbt (&req->dbt3, data);
1884	else
1885	req->dbt3.flags = DB_DBT_MALLOC;
1886
1887	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1888	REQ_SEND;	2102	REQ_SEND;
1889	}	2103	}
1890		2104
1891	void
1892	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
1893	PREINIT:
1894	CALLBACK
1895	CODE:
1896	{
1897	dREQ (REQ_C_PGET);
1898	req->dbc = dbc;
1899	req->uint1 = flags;
1900	if ((flags & DB_SET) == DB_SET
1901	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1902	sv_to_dbt (&req->dbt1, key);
1903	else
1904	req->dbt1.flags = DB_DBT_MALLOC;
1905		2105
1906	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2106	#if DBVER >= 403
1907
1908	req->dbt2.flags = DB_DBT_MALLOC;
1909	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1910
1911	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1912	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1913	sv_to_dbt (&req->dbt3, data);
1914	else
1915	req->dbt3.flags = DB_DBT_MALLOC;
1916
1917	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1918	REQ_SEND;
1919	}
1920
1921	void
1922	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
1923	PREINIT:
1924	CALLBACK
1925	CODE:
1926	{
1927	dREQ (REQ_C_DEL);
1928	req->dbc = dbc;
1929	req->uint1 = flags;
1930	REQ_SEND;
1931	}
1932
1933
1934	#if DB_VERSION_MINOR >= 3
1935		2107
1936	void	2108	void
1937	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)	2109	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
1938	PREINIT:	2110	PREINIT:
1939	CALLBACK	2111	CALLBACK
1940	CODE:	2112	CODE:
1941	{	2113	{
1942	dREQ (REQ_SEQ_OPEN);	2114	dREQ (REQ_SEQ_OPEN, 2);
1943	req->seq = seq;	2115	req->seq = seq;
1944	req->txn = txnid;	2116	req->txn = txnid;
1945	req->uint1 = flags | DB_THREAD;	2117	req->uint1 = flags | DB_THREAD;
1946	sv_to_dbt (&req->dbt1, key);	2118	sv_to_dbt (&req->dbt1, key);
1947	REQ_SEND;	2119	REQ_SEND;
…		…
1951	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)	2123	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
1952	PREINIT:	2124	PREINIT:
1953	CALLBACK	2125	CALLBACK
1954	CODE:	2126	CODE:
1955	{	2127	{
1956	dREQ (REQ_SEQ_CLOSE);	2128	dREQ (REQ_SEQ_CLOSE, 0);
		2129	ptr_nuke (ST (0));
1957	req->seq = seq;	2130	req->seq = seq;
1958	req->uint1 = flags;	2131	req->uint1 = flags;
1959	REQ_SEND;	2132	REQ_SEND;
1960	ptr_nuke (ST (0));
1961	}	2133	}
1962		2134
1963	void	2135	void
1964	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)	2136	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
1965	PREINIT:	2137	PREINIT:
1966	CALLBACK	2138	CALLBACK
1967	CODE:	2139	CODE:
1968	{	2140	{
1969	dREQ (REQ_SEQ_GET);	2141	dREQ (REQ_SEQ_GET, 2);
1970	req->seq = seq;	2142	req->seq = seq;
1971	req->txn = txnid;	2143	req->txn = txnid;
1972	req->int1 = delta;	2144	req->int1 = delta;
1973	req->uint1 = flags;	2145	req->uint1 = flags;
1974	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2146	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
…		…
1979	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)	2151	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
1980	PREINIT:	2152	PREINIT:
1981	CALLBACK	2153	CALLBACK
1982	CODE:	2154	CODE:
1983	{	2155	{
1984	dREQ (REQ_SEQ_REMOVE);	2156	dREQ (REQ_SEQ_REMOVE, 2);
1985	req->seq = seq;	2157	req->seq = seq;
1986	req->txn = txnid;	2158	req->txn = txnid;
1987	req->uint1 = flags;	2159	req->uint1 = flags;
1988	REQ_SEND;	2160	REQ_SEND;
1989	}	2161	}
…		…
2033	CODE:	2205	CODE:
2034	RETVAL = env->set_flags (env, flags, onoff);	2206	RETVAL = env->set_flags (env, flags, onoff);
2035	OUTPUT:	2207	OUTPUT:
2036	RETVAL	2208	RETVAL
2037		2209
2038	#if DB_VERSION_MINOR >= 7	2210	#if DBVER >= 407
2039		2211
2040	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)	2212	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
2041	CODE:	2213	CODE:
2042	RETVAL = env->set_intermediate_dir_mode (env, mode);	2214	RETVAL = env->set_intermediate_dir_mode (env, mode);
2043	OUTPUT:	2215	OUTPUT:
…		…
2130	CODE:	2302	CODE:
2131	RETVAL = env->set_lg_max (env, max);	2303	RETVAL = env->set_lg_max (env, max);
2132	OUTPUT:	2304	OUTPUT:
2133	RETVAL	2305	RETVAL
2134		2306
2135	#if DB_VERSION_MINOR >= 4	2307	#if DBVER >= 404
2136		2308
2137	int mutex_set_max (DB_ENV *env, U32 max)	2309	int mutex_set_max (DB_ENV *env, U32 max)
2138	CODE:	2310	CODE:
2139	RETVAL = env->mutex_set_max (env, max);	2311	RETVAL = env->mutex_set_max (env, max);
2140	OUTPUT:	2312	OUTPUT:
…		…
2167	if (errno)	2339	if (errno)
2168	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2340	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
2169	OUTPUT:	2341	OUTPUT:
2170	RETVAL	2342	RETVAL
2171		2343
2172	#if DB_VERSION_MINOR >= 5	2344	#if DBVER >= 405
2173		2345
2174	DB_TXN *	2346	DB_TXN *
2175	cdsgroup_begin (DB_ENV *env)	2347	cdsgroup_begin (DB_ENV *env)
2176	CODE:	2348	CODE:
2177	errno = env->cdsgroup_begin (env, &RETVAL);	2349	errno = env->cdsgroup_begin (env, &RETVAL);
…		…
2198	CODE:	2370	CODE:
2199	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2371	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2200	OUTPUT:	2372	OUTPUT:
2201	RETVAL	2373	RETVAL
2202		2374
		2375	int set_pagesize (DB *db, U32 pagesize)
		2376	CODE:
		2377	RETVAL = db->set_pagesize (db, pagesize);
		2378	OUTPUT:
		2379	RETVAL
		2380
2203	int set_flags (DB *db, U32 flags)	2381	int set_flags (DB *db, U32 flags)
2204	CODE:	2382	CODE:
2205	RETVAL = db->set_flags (db, flags);	2383	RETVAL = db->set_flags (db, flags);
2206	OUTPUT:	2384	OUTPUT:
2207	RETVAL	2385	RETVAL
…		…
2273	if (errno)	2451	if (errno)
2274	croak ("DB->cursor: %s", db_strerror (errno));	2452	croak ("DB->cursor: %s", db_strerror (errno));
2275	OUTPUT:	2453	OUTPUT:
2276	RETVAL	2454	RETVAL
2277		2455
2278	#if DB_VERSION_MINOR >= 3	2456	#if DBVER >= 403
2279		2457
2280	DB_SEQUENCE *	2458	DB_SEQUENCE *
2281	sequence (DB *db, U32 flags = 0)	2459	sequence (DB *db, U32 flags = 0)
2282	CODE:	2460	CODE:
2283	{	2461	{
…		…
2318	DESTROY (DBC_ornuked *dbc)	2496	DESTROY (DBC_ornuked *dbc)
2319	CODE:	2497	CODE:
2320	if (dbc)	2498	if (dbc)
2321	dbc->c_close (dbc);	2499	dbc->c_close (dbc);
2322		2500
2323	#if DB_VERSION_MINOR >= 6	2501	#if DBVER >= 406
2324		2502
2325	int set_priority (DBC *dbc, int priority)	2503	int set_priority (DBC *dbc, int priority)
2326	CODE:	2504	CODE:
2327	dbc->set_priority (dbc, priority);	2505	dbc->set_priority (dbc, priority);
2328		2506
2329	#endif	2507	#endif
2330		2508
2331	#if DB_VERSION_MINOR >= 3	2509	#if DBVER >= 403
2332		2510
2333	MODULE = BDB PACKAGE = BDB::Sequence	2511	MODULE = BDB PACKAGE = BDB::Sequence
2334		2512
2335	void	2513	void
2336	DESTROY (DB_SEQUENCE_ornuked *seq)	2514	DESTROY (DB_SEQUENCE_ornuked *seq)

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