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Comparing BDB/BDB.xs (file contents):
Revision 1.2 by root, Mon Feb 5 20:21:38 2007 UTC vs.
Revision 1.14 by root, Sun Jul 8 13:41:03 2007 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
		31
		32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44		44
45	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
		46	typedef char *octetstring;
46		47
		48	static SV *prepare_cb;
		49
		50	static void
		51	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		52	{
		53	printf ("err[%s]\n", msg);
		54	}
		55
		56	static void
		57	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		58	{
		59	printf ("msg[%s]\n", msg);
		60	}
		61
		62	static char *
		63	strdup_ornull (const char *s)
		64	{
		65	return s ? strdup (s) : 0;
		66	}
		67
		68	static void
		69	sv_to_dbt (DBT *dbt, SV *sv)
		70	{
		71	STRLEN len;
		72	char *data = SvPVbyte (sv, len);
		73
		74	dbt->data = malloc (len);
		75	memcpy (dbt->data, data, len);
		76	dbt->size = len;
		77	dbt->flags = DB_DBT_REALLOC;
		78	}
		79
		80	static void
		81	dbt_to_sv (SV *sv, DBT *dbt)
		82	{
		83	if (sv)
		84	{
		85	SvREADONLY_off (sv);
		86	sv_setpvn_mg (sv, dbt->data, dbt->size);
		87	SvREFCNT_dec (sv);
		88	}
		89
		90	free (dbt->data);
		91	}
		92
47	enum	93	enum {
48	{
49	REQ_QUIT,	94	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	95	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	96	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
		97	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		98	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		99	REQ_TXN_COMMIT, REQ_TXN_ABORT,
		100	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		101	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
52	};	102	};
53		103
54	typedef struct aio_cb	104	typedef struct aio_cb
55	{	105	{
56	struct aio_cb *volatile next;	106	struct aio_cb *volatile next;
57	SV *callback;	107	SV *callback;
58	int type, pri, errorno;	108	int type, pri, result;
59		109
60	DB_ENV *env;	110	DB_ENV *env;
61	DB *db;	111	DB *db;
62	DB_TXN *txn;	112	DB_TXN *txn;
63	DBC *cursor;	113	DBC *dbc;
		114
		115	UV uv1;
64	int int1, int2;	116	int int1, int2;
65	U32 uint1, uint2;	117	U32 uint1, uint2;
66	char *buf1, *buf2;	118	char *buf1, *buf2;
		119	SV *sv1, *sv2, *sv3;
		120
		121	DBT dbt1, dbt2, dbt3;
		122	DB_KEY_RANGE key_range;
		123	DB_SEQUENCE *seq;
		124	db_seq_t seq_t;
67	} aio_cb;	125	} aio_cb;
68		126
69	typedef aio_cb *aio_req;	127	typedef aio_cb *aio_req;
70		128
71	enum {	129	enum {
…		…
91		149
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	150	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		151
94	static unsigned int started, idle, wanted;	152	static unsigned int started, idle, wanted;
95		153
96	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
97	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
98	#else
99	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
100	#endif
101
102	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
103	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
104
105	/* worker threads management */	154	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	155	static mutex_t wrklock = X_MUTEX_INIT;
107		156
108	typedef struct worker {	157	typedef struct worker {
109	/* locked by wrklock */	158	/* locked by wrklock */
110	struct worker *prev, *next;	159	struct worker *prev, *next;
111		160
112	pthread_t tid;	161	thread_t tid;
113		162
114	/* locked by reslock, reqlock or wrklock */	163	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	164	aio_req req; /* currently processed request */
116	void *dbuf;	165	void *dbuf;
117	DIR *dirp;	166	DIR *dirp;
…		…
132	}	181	}
133		182
134	static volatile unsigned int nreqs, nready, npending;	183	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	184	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	185	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	186	static int respipe [2], respipe_osf [2];
138		187
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	188	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	189	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	190	static cond_t reqwait = X_COND_INIT;
142		191
143	#if WORDACCESS_UNSAFE	192	#if WORDACCESS_UNSAFE
144		193
145	static unsigned int get_nready ()	194	static unsigned int get_nready ()
146	{	195	{
147	unsigned int retval;	196	unsigned int retval;
148		197
149	LOCK (reqlock);	198	X_LOCK (reqlock);
150	retval = nready;	199	retval = nready;
151	UNLOCK (reqlock);	200	X_UNLOCK (reqlock);
152		201
153	return retval;	202	return retval;
154	}	203	}
155		204
156	static unsigned int get_npending ()	205	static unsigned int get_npending ()
157	{	206	{
158	unsigned int retval;	207	unsigned int retval;
159		208
160	LOCK (reslock);	209	X_LOCK (reslock);
161	retval = npending;	210	retval = npending;
162	UNLOCK (reslock);	211	X_UNLOCK (reslock);
163		212
164	return retval;	213	return retval;
165	}	214	}
166		215
167	static unsigned int get_nthreads ()	216	static unsigned int get_nthreads ()
168	{	217	{
169	unsigned int retval;	218	unsigned int retval;
170		219
171	LOCK (wrklock);	220	X_LOCK (wrklock);
172	retval = started;	221	retval = started;
173	UNLOCK (wrklock);	222	X_UNLOCK (wrklock);
174		223
175	return retval;	224	return retval;
176	}	225	}
177		226
178	#else	227	#else
…		…
248	if (SvOK (req->callback))	297	if (SvOK (req->callback))
249	{	298	{
250	ENTER;	299	ENTER;
251	SAVETMPS;	300	SAVETMPS;
252	PUSHMARK (SP);	301	PUSHMARK (SP);
253	EXTEND (SP, 1);
254		302
255	switch (req->type)	303	switch (req->type)
256	{	304	{
		305	case REQ_DB_CLOSE:
		306	SvREFCNT_dec (req->sv1);
		307	break;
		308
		309	case REQ_DB_GET:
		310	case REQ_DB_PGET:
		311	dbt_to_sv (req->sv3, &req->dbt3);
		312	break;
		313
		314	case REQ_C_GET:
		315	case REQ_C_PGET:
		316	dbt_to_sv (req->sv1, &req->dbt1);
		317	dbt_to_sv (req->sv2, &req->dbt2);
		318	dbt_to_sv (req->sv3, &req->dbt3);
		319	break;
		320
		321	case REQ_DB_KEY_RANGE:
		322	{
		323	AV *av = newAV ();
		324
		325	av_push (av, newSVnv (req->key_range.less));
		326	av_push (av, newSVnv (req->key_range.equal));
		327	av_push (av, newSVnv (req->key_range.greater));
		328
		329	SvREADONLY_off (req->sv1);
		330	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		331	SvREFCNT_dec (req->sv1);
		332	}
		333	break;
		334
		335	case REQ_SEQ_GET:
		336	SvREADONLY_off (req->sv1);
		337
		338	if (sizeof (IV) > 4)
		339	sv_setiv_mg (req->sv1, req->seq_t);
		340	else
		341	sv_setnv_mg (req->sv1, req->seq_t);
		342
		343	SvREFCNT_dec (req->sv1);
		344	break;
257	}	345	}
		346
		347	errno = req->result;
258		348
259	PUTBACK;	349	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	350	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	351	SPAGAIN;
262		352
…		…
272	free (req->buf1);	362	free (req->buf1);
273	free (req->buf2);	363	free (req->buf2);
274	Safefree (req);	364	Safefree (req);
275	}	365	}
276		366
277	static void *aio_proc(void *arg);	367	#ifdef USE_SOCKETS_AS_HANDLES
		368	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		369	#else
		370	# define TO_SOCKET(x) (x)
		371	#endif
		372
		373	static void
		374	create_pipe (int fd[2])
		375	{
		376	#ifdef _WIN32
		377	int arg = 1;
		378	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
		379	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
		380	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
		381	#else
		382	if (pipe (fd)
		383	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
		384	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
		385	#endif
		386	croak ("unable to initialize result pipe");
		387
		388	respipe_osf [0] = TO_SOCKET (respipe [0]);
		389	respipe_osf [1] = TO_SOCKET (respipe [1]);
		390	}
		391
		392	X_THREAD_PROC (bdb_proc);
278		393
279	static void start_thread (void)	394	static void start_thread (void)
280	{	395	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	396	worker *wrk = calloc (1, sizeof (worker));
285		397
286	if (!wrk)	398	if (!wrk)
287	croak ("unable to allocate worker thread data");	399	croak ("unable to allocate worker thread data");
288		400
289	pthread_attr_init (&attr);
290	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
291	#ifdef PTHREAD_SCOPE_PROCESS
292	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
293	#endif
294
295	sigfillset (&fullsigset);
296
297	LOCK (wrklock);	401	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	402	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	403	{
302	wrk->prev = &wrk_first;	404	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	405	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	406	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	407	wrk_first.next = wrk;
306	++started;	408	++started;
307	}	409	}
308	else	410	else
309	free (wrk);	411	free (wrk);
310		412
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	413	X_UNLOCK (wrklock);
313	}	414	}
314		415
315	static void maybe_start_thread ()	416	static void maybe_start_thread ()
316	{	417	{
317	if (get_nthreads () >= wanted)	418	if (get_nthreads () >= wanted)
…		…
324	start_thread ();	425	start_thread ();
325	}	426	}
326		427
327	static void req_send (aio_req req)	428	static void req_send (aio_req req)
328	{	429	{
		430	SV *wait_callback = 0;
		431
		432	// synthesize callback if none given
		433	if (!SvOK (req->callback))
		434	{
		435	int count;
		436
		437	dSP;
		438	PUSHMARK (SP);
		439	PUTBACK;
		440	count = call_sv (prepare_cb, G_ARRAY);
		441	SPAGAIN;
		442
		443	if (count != 2)
		444	croak ("prepare callback must return exactly two values\n");
		445
		446	wait_callback = SvREFCNT_inc (POPs);
		447	SvREFCNT_dec (req->callback);
		448	req->callback = SvREFCNT_inc (POPs);
		449	}
		450
329	++nreqs;	451	++nreqs;
330		452
331	LOCK (reqlock);	453	X_LOCK (reqlock);
332	++nready;	454	++nready;
333	reqq_push (&req_queue, req);	455	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	456	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	457	X_UNLOCK (reqlock);
336		458
337	maybe_start_thread ();	459	maybe_start_thread ();
		460
		461	if (wait_callback)
		462	{
		463	dSP;
		464	PUSHMARK (SP);
		465	PUTBACK;
		466	call_sv (wait_callback, G_DISCARD);
		467	SvREFCNT_dec (wait_callback);
		468	}
338	}	469	}
339		470
340	static void end_thread (void)	471	static void end_thread (void)
341	{	472	{
342	aio_req req;	473	aio_req req;
…		…
344	Newz (0, req, 1, aio_cb);	475	Newz (0, req, 1, aio_cb);
345		476
346	req->type = REQ_QUIT;	477	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	478	req->pri = PRI_MAX + PRI_BIAS;
348		479
349	LOCK (reqlock);	480	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	481	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	482	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	483	X_UNLOCK (reqlock);
353		484
354	LOCK (wrklock);	485	X_LOCK (wrklock);
355	--started;	486	--started;
356	UNLOCK (wrklock);	487	X_UNLOCK (wrklock);
357	}	488	}
358		489
359	static void set_max_idle (int nthreads)	490	static void set_max_idle (int nthreads)
360	{	491	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	492	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	493	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	494	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	495	}
365		496
366	static void min_parallel (int nthreads)	497	static void min_parallel (int nthreads)
367	{	498	{
368	if (wanted < nthreads)	499	if (wanted < nthreads)
…		…
383	fd_set rfd;	514	fd_set rfd;
384		515
385	while (nreqs)	516	while (nreqs)
386	{	517	{
387	int size;	518	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	519	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	520	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	521	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		522
392	if (size)	523	if (size)
393	return;	524	return;
394		525
395	maybe_start_thread ();	526	maybe_start_thread ();
396		527
397	FD_ZERO(&rfd);	528	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	529	FD_SET (respipe [0], &rfd);
399		530
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	531	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	532	}
402	}	533	}
403		534
404	static int poll_cb ()	535	static int poll_cb ()
405	{	536	{
…		…
417	{	548	{
418	for (;;)	549	for (;;)
419	{	550	{
420	maybe_start_thread ();	551	maybe_start_thread ();
421		552
422	LOCK (reslock);	553	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	554	req = reqq_shift (&res_queue);
424		555
425	if (req)	556	if (req)
426	{	557	{
427	--npending;	558	--npending;
428		559
429	if (!res_queue.size)	560	if (!res_queue.size)
430	{	561	{
431	/* read any signals sent by the worker threads */	562	/* read any signals sent by the worker threads */
432	char buf [4];	563	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	564	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	565	;
435	}	566	}
436	}	567	}
437		568
438	UNLOCK (reslock);	569	X_UNLOCK (reslock);
439		570
440	if (!req)	571	if (!req)
441	break;	572	break;
442		573
443	--nreqs;	574	--nreqs;
…		…
473	}	604	}
474		605
475	return count;	606	return count;
476	}	607	}
477		608
478	static void create_pipe ()
479	{
480	if (pipe (respipe))
481	croak ("unable to initialize result pipe");
482
483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
484	croak ("cannot set result pipe to nonblocking mode");
485
486	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
487	croak ("cannot set result pipe to nonblocking mode");
488	}
489
490	/*****************************************************************************/	609	/*****************************************************************************/
491		610
492	static void *aio_proc (void *thr_arg)	611	X_THREAD_PROC (bdb_proc)
493	{	612	{
494	aio_req req;	613	aio_req req;
495	struct timespec ts;	614	struct timespec ts;
496	worker *self = (worker *)thr_arg;	615	worker *self = (worker *)thr_arg;
497		616
498	/* try to distribute timeouts somewhat evenly */	617	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	618	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		619
502	for (;;)	620	for (;;)
503	{	621	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	622	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		623
506	LOCK (reqlock);	624	X_LOCK (reqlock);
507		625
508	for (;;)	626	for (;;)
509	{	627	{
510	self->req = req = reqq_shift (&req_queue);	628	self->req = req = reqq_shift (&req_queue);
511		629
512	if (req)	630	if (req)
513	break;	631	break;
514		632
515	++idle;	633	++idle;
516		634
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	635	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	636	== ETIMEDOUT)
519	{	637	{
520	if (idle > max_idle)	638	if (idle > max_idle)
521	{	639	{
522	--idle;	640	--idle;
523	UNLOCK (reqlock);	641	X_UNLOCK (reqlock);
524	LOCK (wrklock);	642	X_LOCK (wrklock);
525	--started;	643	--started;
526	UNLOCK (wrklock);	644	X_UNLOCK (wrklock);
527	goto quit;	645	goto quit;
528	}	646	}
529		647
530	/* we are allowed to idle, so do so without any timeout */	648	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	649	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	650	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	651	}
534		652
535	--idle;	653	--idle;
536	}	654	}
537		655
538	--nready;	656	--nready;
539		657
540	UNLOCK (reqlock);	658	X_UNLOCK (reqlock);
541		659
542	errno = 0; /* strictly unnecessary */
543
544	switch (req->type)	660	switch (req->type)
545	{	661	{
546	case REQ_QUIT:	662	case REQ_QUIT:
547	goto quit;	663	goto quit;
548		664
		665	case REQ_ENV_OPEN:
		666	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		667	break;
		668
		669	case REQ_ENV_CLOSE:
		670	req->result = req->env->close (req->env, req->uint1);
		671	break;
		672
		673	case REQ_ENV_TXN_CHECKPOINT:
		674	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		675	break;
		676
		677	case REQ_ENV_LOCK_DETECT:
		678	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		679	break;
		680
		681	case REQ_ENV_MEMP_SYNC:
		682	req->result = req->env->memp_sync (req->env, 0);
		683	break;
		684
		685	case REQ_ENV_MEMP_TRICKLE:
		686	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		687	break;
		688
		689	case REQ_DB_OPEN:
		690	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		691	break;
		692
		693	case REQ_DB_CLOSE:
		694	req->result = req->db->close (req->db, req->uint1);
		695	break;
		696
		697	case REQ_DB_COMPACT:
		698	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		699	break;
		700
		701	case REQ_DB_SYNC:
		702	req->result = req->db->sync (req->db, req->uint1);
		703	break;
		704
		705	case REQ_DB_PUT:
		706	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		707	break;
		708
		709	case REQ_DB_GET:
		710	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		711	break;
		712
		713	case REQ_DB_PGET:
		714	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		715	break;
		716
		717	case REQ_DB_DEL:
		718	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		719	break;
		720
		721	case REQ_DB_KEY_RANGE:
		722	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		723	break;
		724
		725	case REQ_TXN_COMMIT:
		726	req->result = req->txn->commit (req->txn, req->uint1);
		727	break;
		728
		729	case REQ_TXN_ABORT:
		730	req->result = req->txn->abort (req->txn);
		731	break;
		732
		733	case REQ_C_CLOSE:
		734	req->result = req->dbc->c_close (req->dbc);
		735	break;
		736
		737	case REQ_C_COUNT:
		738	{
		739	db_recno_t recno;
		740	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		741	req->uv1 = recno;
		742	}
		743	break;
		744
		745	case REQ_C_PUT:
		746	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		747	break;
		748
		749	case REQ_C_GET:
		750	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		751	break;
		752
		753	case REQ_C_PGET:
		754	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		755	break;
		756
		757	case REQ_C_DEL:
		758	req->result = req->dbc->c_del (req->dbc, req->uint1);
		759	break;
		760
		761	case REQ_SEQ_OPEN:
		762	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		763	break;
		764
		765	case REQ_SEQ_CLOSE:
		766	req->result = req->seq->close (req->seq, req->uint1);
		767	break;
		768
		769	case REQ_SEQ_GET:
		770	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		771	break;
		772
		773	case REQ_SEQ_REMOVE:
		774	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		775	break;
		776
549	default:	777	default:
550	//req->result = ENOSYS;	778	req->result = ENOSYS;
551	break;	779	break;
552	}	780	}
553		781
554	//req->errorno = errno;
555
556	LOCK (reslock);	782	X_LOCK (reslock);
557		783
558	++npending;	784	++npending;
559		785
560	if (!reqq_push (&res_queue, req))	786	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	787	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	788	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		789
564	self->req = 0;	790	self->req = 0;
565	worker_clear (self);	791	worker_clear (self);
566		792
567	UNLOCK (reslock);	793	X_UNLOCK (reslock);
568	}	794	}
569		795
570	quit:	796	quit:
571	LOCK (wrklock);	797	X_LOCK (wrklock);
572	worker_free (self);	798	worker_free (self);
573	UNLOCK (wrklock);	799	X_UNLOCK (wrklock);
574		800
575	return 0;	801	return 0;
576	}	802	}
577		803
578	/*****************************************************************************/	804	/*****************************************************************************/
579		805
580	static void atfork_prepare (void)	806	static void atfork_prepare (void)
581	{	807	{
582	LOCK (wrklock);	808	X_LOCK (wrklock);
583	LOCK (reqlock);	809	X_LOCK (reqlock);
584	LOCK (reslock);	810	X_LOCK (reslock);
585	}	811	}
586		812
587	static void atfork_parent (void)	813	static void atfork_parent (void)
588	{	814	{
589	UNLOCK (reslock);	815	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	816	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	817	X_UNLOCK (wrklock);
592	}	818	}
593		819
594	static void atfork_child (void)	820	static void atfork_child (void)
595	{	821	{
596	aio_req prv;	822	aio_req prv;
…		…
616	idle = 0;	842	idle = 0;
617	nreqs = 0;	843	nreqs = 0;
618	nready = 0;	844	nready = 0;
619	npending = 0;	845	npending = 0;
620		846
621	close (respipe [0]);	847	respipe_close (respipe [0]);
622	close (respipe [1]);	848	respipe_close (respipe [1]);
		849
623	create_pipe ();	850	create_pipe (respipe);
624		851
625	atfork_parent ();	852	atfork_parent ();
626	}	853	}
627		854
628	#define dREQ(reqtype) \	855	#define dREQ(reqtype) \
…		…
642	req->pri = req_pri	869	req->pri = req_pri
643		870
644	#define REQ_SEND \	871	#define REQ_SEND \
645	req_send (req)	872	req_send (req)
646		873
647	#define SvPTR(var, arg, type, class) \	874	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	875	if (!SvOK (arg)) \
		876	{ \
		877	if (!nullok) \
		878	croak (# var " must be a " # class " object, not undef"); \
		879	\
649	(var) = 0; \	880	(var) = 0; \
		881	} \
650	else if (sv_derived_from ((arg), # class)) \	882	else if (sv_derived_from ((arg), # class)) \
651	{ \	883	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	884	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	885	(var) = INT2PTR (type, tmp); \
		886	if (!var) \
		887	croak (# var " is not a valid " # class " object anymore"); \
654	} \	888	} \
655	else \	889	else \
656	Perl_croak (# var " is not of type " # type)	890	croak (# var " is not of type " # class); \
657		891	\
		892
		893	static void
		894	ptr_nuke (SV *sv)
		895	{
		896	assert (SvROK (sv));
		897	sv_setiv (SvRV (sv), 0);
		898	}
		899
658	MODULE = BDB PACKAGE = BDB	900	MODULE = BDB PACKAGE = BDB
659		901
660	PROTOTYPES: ENABLE	902	PROTOTYPES: ENABLE
661		903
662	BOOT:	904	BOOT:
…		…
692	const_iv (DSYNC_DB)	934	const_iv (DSYNC_DB)
693	const_iv (DSYNC_LOG)	935	const_iv (DSYNC_LOG)
694	const_iv (LOG_AUTOREMOVE)	936	const_iv (LOG_AUTOREMOVE)
695	const_iv (LOG_INMEMORY)	937	const_iv (LOG_INMEMORY)
696	const_iv (NOLOCKING)	938	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	939	const_iv (NOMMAP)
699	const_iv (NOPANIC)	940	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	941	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	942	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	943	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	944	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	945	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)
706	const_iv (TXN_WRITE_NOSYNC)	946	const_iv (TXN_WRITE_NOSYNC)
		947	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	948	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	949	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	950	const_iv (XA_CREATE)
710	const_iv (BTREE)	951	const_iv (BTREE)
711	const_iv (HASH)	952	const_iv (HASH)
712	const_iv (QUEUE)	953	const_iv (QUEUE)
713	const_iv (RECNO)	954	const_iv (RECNO)
714	const_iv (UNKNOWN)	955	const_iv (UNKNOWN)
715	const_iv (EXCL)	956	const_iv (EXCL)
		957	const_iv (READ_COMMITTED)
716	const_iv (READ_UNCOMMITTED)	958	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	959	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	960	const_iv (NOSYNC)
719	const_iv (CHKSUM)	961	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	962	const_iv (ENCRYPT)
…		…
725	const_iv (RENUMBER)	967	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	968	const_iv (REVSPLITOFF)
727	const_iv (INORDER)	969	const_iv (INORDER)
728	const_iv (CONSUME)	970	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	971	const_iv (CONSUME_WAIT)
		972	const_iv (GET_BOTH)
		973	const_iv (GET_BOTH_RANGE)
		974	//const_iv (SET_RECNO)
		975	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	976	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	977	const_iv (JOIN_ITEM)
732	const_iv (RMW)	978	const_iv (RMW)
733		979
734	const_iv (NOTFOUND)	980	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	981	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	982	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	983	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	984	const_iv (RUNRECOVERY)
		985	const_iv (OLD_VERSION)
		986	const_iv (REP_HANDLE_DEAD)
		987	const_iv (REP_LOCKOUT)
		988	const_iv (SECONDARY_BAD)
		989
		990	const_iv (FREE_SPACE)
		991	const_iv (FREELIST_ONLY)
		992
		993	const_iv (APPEND)
		994	const_iv (NODUPDATA)
		995	const_iv (NOOVERWRITE)
		996
		997	const_iv (TXN_NOWAIT)
		998	const_iv (TXN_SYNC)
		999
		1000	const_iv (SET_LOCK_TIMEOUT)
		1001	const_iv (SET_TXN_TIMEOUT)
		1002
		1003	const_iv (JOIN_ITEM)
		1004	const_iv (FIRST)
		1005	const_iv (NEXT)
		1006	const_iv (NEXT_DUP)
		1007	const_iv (NEXT_NODUP)
		1008	const_iv (PREV)
		1009	const_iv (PREV_NODUP)
		1010	const_iv (SET)
		1011	const_iv (SET_RANGE)
		1012	const_iv (LAST)
		1013	const_iv (BEFORE)
		1014	const_iv (AFTER)
		1015	const_iv (CURRENT)
		1016	const_iv (KEYFIRST)
		1017	const_iv (KEYLAST)
		1018	const_iv (NODUPDATA)
		1019
		1020	const_iv (FORCE)
		1021
		1022	const_iv (LOCK_DEFAULT)
		1023	const_iv (LOCK_EXPIRE)
		1024	const_iv (LOCK_MAXLOCKS)
		1025	const_iv (LOCK_MAXWRITE)
		1026	const_iv (LOCK_MINLOCKS)
		1027	const_iv (LOCK_MINWRITE)
		1028	const_iv (LOCK_OLDEST)
		1029	const_iv (LOCK_RANDOM)
		1030	const_iv (LOCK_YOUNGEST)
		1031
		1032	const_iv (SEQ_DEC)
		1033	const_iv (SEQ_INC)
		1034	const_iv (SEQ_WRAP)
		1035
		1036	const_iv (BUFFER_SMALL)
		1037	const_iv (DONOTINDEX)
		1038	const_iv (KEYEMPTY )
		1039	const_iv (KEYEXIST )
		1040	const_iv (LOCK_DEADLOCK)
		1041	const_iv (LOCK_NOTGRANTED)
		1042	const_iv (LOG_BUFFER_FULL)
		1043	const_iv (NOSERVER)
		1044	const_iv (NOSERVER_HOME)
		1045	const_iv (NOSERVER_ID)
		1046	const_iv (NOTFOUND)
		1047	const_iv (OLD_VERSION)
		1048	const_iv (PAGE_NOTFOUND)
		1049	const_iv (REP_DUPMASTER)
		1050	const_iv (REP_HANDLE_DEAD)
		1051	const_iv (REP_HOLDELECTION)
		1052	const_iv (REP_IGNORE)
		1053	const_iv (REP_ISPERM)
		1054	const_iv (REP_JOIN_FAILURE)
		1055	const_iv (REP_LOCKOUT)
		1056	const_iv (REP_NEWMASTER)
		1057	const_iv (REP_NEWSITE)
		1058	const_iv (REP_NOTPERM)
		1059	const_iv (REP_UNAVAIL)
		1060	const_iv (RUNRECOVERY)
		1061	const_iv (SECONDARY_BAD)
		1062	const_iv (VERIFY_BAD)
		1063	const_iv (VERSION_MISMATCH)
		1064
		1065	const_iv (VERB_DEADLOCK)
		1066	const_iv (VERB_RECOVERY)
		1067	const_iv (VERB_REGISTER)
		1068	const_iv (VERB_REPLICATION)
		1069	const_iv (VERB_WAITSFOR)
		1070
		1071	const_iv (VERSION_MAJOR)
		1072	const_iv (VERSION_MINOR)
		1073	const_iv (VERSION_PATCH)
		1074	#if DB_VERSION_MINOR >= 5
		1075	const_iv (MULTIVERSION)
		1076	const_iv (TXN_SNAPSHOT)
		1077	#endif
739	};	1078	};
740		1079
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1080	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1081	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1082
744	create_pipe ();	1083	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1084	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1085
		1086	create_pipe (respipe);
		1087
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1088	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1089	#ifdef _WIN32
		1090	X_MUTEX_CHECK (wrklock);
		1091	X_MUTEX_CHECK (reslock);
		1092	X_MUTEX_CHECK (reqlock);
		1093
		1094	X_COND_CHECK (reqwait);
		1095	#endif
746	}	1096	}
747		1097
748	void	1098	void
749	max_poll_reqs (int nreqs)	1099	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1100	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1129	max_outstanding = maxreqs;
780	OUTPUT:	1130	OUTPUT:
781	RETVAL	1131	RETVAL
782		1132
783	int	1133	int
784	bdbreq_pri (int pri = 0)	1134	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1135	PROTOTYPE: ;$
786	CODE:	1136	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1137	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1138	if (items > 0)
789	{	1139	{
…		…
793	}	1143	}
794	OUTPUT:	1144	OUTPUT:
795	RETVAL	1145	RETVAL
796		1146
797	void	1147	void
798	bdbreq_nice (int nice = 0)	1148	dbreq_nice (int nice = 0)
799	CODE:	1149	CODE:
800	nice = next_pri - nice;	1150	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1151	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1152	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1153	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1161	poll_wait ();
812	poll_cb ();	1162	poll_cb ();
813	}	1163	}
814		1164
815	int	1165	int
816	poll()	1166	poll ()
817	PROTOTYPE:	1167	PROTOTYPE:
818	CODE:	1168	CODE:
819	poll_wait ();	1169	poll_wait ();
820	RETVAL = poll_cb ();	1170	RETVAL = poll_cb ();
821	OUTPUT:	1171	OUTPUT:
822	RETVAL	1172	RETVAL
823		1173
824	int	1174	int
825	poll_fileno()	1175	poll_fileno ()
826	PROTOTYPE:	1176	PROTOTYPE:
827	CODE:	1177	CODE:
828	RETVAL = respipe [0];	1178	RETVAL = respipe [0];
829	OUTPUT:	1179	OUTPUT:
830	RETVAL	1180	RETVAL
831		1181
832	int	1182	int
833	poll_cb(...)	1183	poll_cb (...)
834	PROTOTYPE:	1184	PROTOTYPE:
835	CODE:	1185	CODE:
836	RETVAL = poll_cb ();	1186	RETVAL = poll_cb ();
837	OUTPUT:	1187	OUTPUT:
838	RETVAL	1188	RETVAL
839		1189
840	void	1190	void
841	poll_wait()	1191	poll_wait ()
842	PROTOTYPE:	1192	PROTOTYPE:
843	CODE:	1193	CODE:
844	poll_wait ();	1194	poll_wait ();
845		1195
846	int	1196	int
847	nreqs()	1197	nreqs ()
848	PROTOTYPE:	1198	PROTOTYPE:
849	CODE:	1199	CODE:
850	RETVAL = nreqs;	1200	RETVAL = nreqs;
851	OUTPUT:	1201	OUTPUT:
852	RETVAL	1202	RETVAL
853		1203
854	int	1204	int
855	nready()	1205	nready ()
856	PROTOTYPE:	1206	PROTOTYPE:
857	CODE:	1207	CODE:
858	RETVAL = get_nready ();	1208	RETVAL = get_nready ();
859	OUTPUT:	1209	OUTPUT:
860	RETVAL	1210	RETVAL
861		1211
862	int	1212	int
863	npending()	1213	npending ()
864	PROTOTYPE:	1214	PROTOTYPE:
865	CODE:	1215	CODE:
866	RETVAL = get_npending ();	1216	RETVAL = get_npending ();
867	OUTPUT:	1217	OUTPUT:
868	RETVAL	1218	RETVAL
869		1219
870	int	1220	int
871	nthreads()	1221	nthreads ()
872	PROTOTYPE:	1222	PROTOTYPE:
873	CODE:	1223	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1224	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1225	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1226	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1227	OUTPUT:
878	RETVAL	1228	RETVAL
879		1229
		1230	void
		1231	set_sync_prepare (SV *cb)
		1232	PROTOTYPE: &
		1233	CODE:
		1234	SvREFCNT_dec (prepare_cb);
		1235	prepare_cb = newSVsv (cb);
		1236
		1237	char *
		1238	strerror (int errorno = errno)
		1239	PROTOTYPE: ;$
		1240	CODE:
		1241	RETVAL = db_strerror (errorno);
		1242	OUTPUT:
		1243	RETVAL
		1244
880	DB_ENV *	1245	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1246	db_env_create (U32 env_flags = 0)
882	CODE:	1247	CODE:
883	{	1248	{
884	int err = db_env_create (&RETVAL, env_flags);	1249	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1250	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1251	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1252
		1253	if (0)
		1254	{
		1255	RETVAL->set_errcall (RETVAL, debug_errcall);
		1256	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1257	}
		1258	}
		1259	OUTPUT:
		1260	RETVAL
		1261
889	void	1262	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1263	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
891	CODE:	1264	CODE:
892	{	1265	{
893	dREQ (REQ_ENV_OPEN);	1266	dREQ (REQ_ENV_OPEN);
		1267
		1268	env->set_thread_count (env, wanted + 2);
		1269
894	req->env = env;	1270	req->env = env;
895	req->uint1 = open_flags;	1271	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1272	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1273	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1274	REQ_SEND;
899	}	1275	}
900		1276
901	void	1277	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1278	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
903	CODE:	1279	CODE:
904	{	1280	{
905	dREQ (REQ_ENV_CLOSE);	1281	dREQ (REQ_ENV_CLOSE);
906	req->env = env;	1282	req->env = env;
907	req->uint1 = flags;	1283	req->uint1 = flags;
908	REQ_SEND;	1284	REQ_SEND;
		1285	ptr_nuke (ST (0));
909	}	1286	}
		1287
		1288	void
		1289	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1290	CODE:
		1291	{
		1292	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1293	req->env = env;
		1294	req->uint1 = kbyte;
		1295	req->int1 = min;
		1296	req->uint2 = flags;
		1297	REQ_SEND;
		1298	}
		1299
		1300	void
		1301	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1302	CODE:
		1303	{
		1304	dREQ (REQ_ENV_LOCK_DETECT);
		1305	req->env = env;
		1306	req->uint1 = flags;
		1307	req->uint2 = atype;
		1308	REQ_SEND;
		1309	}
		1310
		1311	void
		1312	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1313	CODE:
		1314	{
		1315	dREQ (REQ_ENV_MEMP_SYNC);
		1316	req->env = env;
		1317	REQ_SEND;
		1318	}
		1319
		1320	void
		1321	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1322	CODE:
		1323	{
		1324	dREQ (REQ_ENV_MEMP_TRICKLE);
		1325	req->env = env;
		1326	req->int1 = percent;
		1327	REQ_SEND;
		1328	}
		1329
910		1330
911	DB *	1331	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1332	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1333	CODE:
914	{	1334	{
915	int err = db_create (&RETVAL, env, flags);	1335	errno = db_create (&RETVAL, env, flags);
916	if (err)	1336	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1337	croak ("db_create: %s", db_strerror (errno));
918	}
919		1338
		1339	if (RETVAL)
		1340	RETVAL->app_private = (void *)newSVsv (ST (0));
		1341	}
		1342	OUTPUT:
		1343	RETVAL
		1344
920	void	1345	void
921	bdb_db_open (DB *db, DB_TXN *txnid, const char *file, const char *database, int type, U32 flags, int mode, SV *callback = 0)	1346	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
922	CODE:	1347	CODE:
923	{	1348	{
924	dREQ (REQ_DB_OPEN);	1349	dREQ (REQ_DB_OPEN);
925	req->db = db;	1350	req->db = db;
926	req->txn = txnid;	1351	req->txn = txnid;
927	req->buf1 = strdup (file);	1352	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1353	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1354	req->int1 = type;
930	req->uint1 = flags;	1355	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1356	req->int2 = mode;
932	REQ_SEND;	1357	REQ_SEND;
933	}	1358	}
934		1359
935	void	1360	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1361	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
937	CODE:	1362	CODE:
938	{	1363	{
939	dREQ (REQ_DB_CLOSE);	1364	dREQ (REQ_DB_CLOSE);
940	req->db = db;	1365	req->db = db;
941	req->uint1 = flags;	1366	req->uint1 = flags;
		1367	req->sv1 = (SV *)db->app_private;
		1368	REQ_SEND;
		1369	ptr_nuke (ST (0));
		1370	}
		1371
		1372	void
		1373	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 = &PL_sv_undef)
		1374	CODE:
		1375	{
		1376	dREQ (REQ_DB_COMPACT);
		1377	req->db = db;
		1378	req->txn = txn;
		1379	sv_to_dbt (&req->dbt1, start);
		1380	sv_to_dbt (&req->dbt2, stop);
		1381	req->uint1 = flags;
		1382	REQ_SEND;
		1383	}
		1384
		1385	void
		1386	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
		1387	CODE:
		1388	{
		1389	dREQ (REQ_DB_SYNC);
		1390	req->db = db;
		1391	req->uint1 = flags;
		1392	REQ_SEND;
		1393	}
		1394
		1395	void
		1396	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1397	CODE:
		1398	{
		1399	dREQ (REQ_DB_KEY_RANGE);
		1400	req->db = db;
		1401	req->txn = txn;
		1402	sv_to_dbt (&req->dbt1, key);
		1403	req->uint1 = flags;
		1404	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1405	REQ_SEND;
		1406	}
		1407
		1408	void
		1409	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1410	CODE:
		1411	{
		1412	dREQ (REQ_DB_PUT);
		1413	req->db = db;
		1414	req->txn = txn;
		1415	sv_to_dbt (&req->dbt1, key);
		1416	sv_to_dbt (&req->dbt2, data);
		1417	req->uint1 = flags;
		1418	REQ_SEND;
		1419	}
		1420
		1421	void
		1422	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1423	CODE:
		1424	{
		1425	dREQ (REQ_DB_GET);
		1426	req->db = db;
		1427	req->txn = txn;
		1428	req->uint1 = flags;
		1429	sv_to_dbt (&req->dbt1, key);
		1430	req->dbt3.flags = DB_DBT_MALLOC;
		1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1432	REQ_SEND;
		1433	}
		1434
		1435	void
		1436	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1437	CODE:
		1438	{
		1439	dREQ (REQ_DB_PGET);
		1440	req->db = db;
		1441	req->txn = txn;
		1442	req->uint1 = flags;
		1443	sv_to_dbt (&req->dbt1, key);
		1444	sv_to_dbt (&req->dbt2, pkey);
		1445	req->dbt3.flags = DB_DBT_MALLOC;
		1446	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1447	REQ_SEND;
		1448	}
		1449
		1450	void
		1451	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1452	CODE:
		1453	{
		1454	dREQ (REQ_DB_DEL);
		1455	req->db = db;
		1456	req->txn = txn;
		1457	req->uint1 = flags;
		1458	sv_to_dbt (&req->dbt1, key);
		1459	REQ_SEND;
		1460	}
		1461
		1462	void
		1463	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1464	CODE:
		1465	{
		1466	dREQ (REQ_TXN_COMMIT);
		1467	req->txn = txn;
		1468	req->uint1 = flags;
		1469	REQ_SEND;
		1470	ptr_nuke (ST (0));
		1471	}
		1472
		1473	void
		1474	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1475	CODE:
		1476	{
		1477	dREQ (REQ_TXN_ABORT);
		1478	req->txn = txn;
		1479	REQ_SEND;
		1480	ptr_nuke (ST (0));
		1481	}
		1482
		1483	void
		1484	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1485	CODE:
		1486	{
		1487	dREQ (REQ_C_CLOSE);
		1488	req->dbc = dbc;
		1489	REQ_SEND;
		1490	ptr_nuke (ST (0));
		1491	}
		1492
		1493	void
		1494	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1495	CODE:
		1496	{
		1497	dREQ (REQ_C_COUNT);
		1498	req->dbc = dbc;
		1499	req->sv1 = SvREFCNT_inc (count);
		1500	REQ_SEND;
		1501	}
		1502
		1503	void
		1504	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1505	CODE:
		1506	{
		1507	dREQ (REQ_C_PUT);
		1508	req->dbc = dbc;
		1509	sv_to_dbt (&req->dbt1, key);
		1510	sv_to_dbt (&req->dbt2, data);
		1511	req->uint1 = flags;
		1512	REQ_SEND;
		1513	}
		1514
		1515	void
		1516	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1517	CODE:
		1518	{
		1519	dREQ (REQ_C_GET);
		1520	req->dbc = dbc;
		1521	req->uint1 = flags;
		1522	if ((flags & DB_SET) == DB_SET
		1523	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1524	sv_to_dbt (&req->dbt1, key);
		1525	else
		1526	req->dbt1.flags = DB_DBT_MALLOC;
		1527
		1528	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1529
		1530	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1531	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1532	sv_to_dbt (&req->dbt3, data);
		1533	else
		1534	req->dbt3.flags = DB_DBT_MALLOC;
		1535
		1536	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1542	CODE:
		1543	{
		1544	dREQ (REQ_C_PGET);
		1545	req->dbc = dbc;
		1546	req->uint1 = flags;
		1547	if ((flags & DB_SET) == DB_SET
		1548	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1549	sv_to_dbt (&req->dbt1, key);
		1550	else
		1551	req->dbt1.flags = DB_DBT_MALLOC;
		1552
		1553	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1554
		1555	req->dbt2.flags = DB_DBT_MALLOC;
		1556	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1557
		1558	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1559	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1560	sv_to_dbt (&req->dbt3, data);
		1561	else
		1562	req->dbt3.flags = DB_DBT_MALLOC;
		1563
		1564	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1565	REQ_SEND;
		1566	}
		1567
		1568	void
		1569	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1570	CODE:
		1571	{
		1572	dREQ (REQ_C_DEL);
		1573	req->dbc = dbc;
		1574	req->uint1 = flags;
		1575	REQ_SEND;
		1576	}
		1577
		1578
		1579	void
		1580	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1581	CODE:
		1582	{
		1583	dREQ (REQ_SEQ_OPEN);
		1584	req->seq = seq;
		1585	req->txn = txnid;
		1586	req->uint1 = flags | DB_THREAD;
		1587	sv_to_dbt (&req->dbt1, key);
		1588	REQ_SEND;
		1589	}
		1590
		1591	void
		1592	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1593	CODE:
		1594	{
		1595	dREQ (REQ_SEQ_CLOSE);
		1596	req->seq = seq;
		1597	req->uint1 = flags;
		1598	REQ_SEND;
		1599	ptr_nuke (ST (0));
		1600	}
		1601
		1602	void
		1603	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
		1604	CODE:
		1605	{
		1606	dREQ (REQ_SEQ_GET);
		1607	req->seq = seq;
		1608	req->txn = txnid;
		1609	req->int1 = delta;
		1610	req->uint1 = flags;
		1611	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1612	REQ_SEND;
		1613	}
		1614
		1615	void
		1616	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1617	CODE:
		1618	{
		1619	dREQ (REQ_SEQ_REMOVE);
		1620	req->seq = seq;
		1621	req->txn = txnid;
		1622	req->uint1 = flags;
942	REQ_SEND;	1623	REQ_SEND;
943	}	1624	}
944		1625
945		1626
946	MODULE = BDB PACKAGE = BDB::Env	1627	MODULE = BDB PACKAGE = BDB::Env
947		1628
		1629	void
		1630	DESTROY (DB_ENV_ornull *env)
		1631	CODE:
		1632	if (env)
		1633	env->close (env, 0);
		1634
		1635	int set_data_dir (DB_ENV *env, const char *dir)
		1636	CODE:
		1637	RETVAL = env->set_data_dir (env, dir);
		1638	OUTPUT:
		1639	RETVAL
		1640
		1641	int set_tmp_dir (DB_ENV *env, const char *dir)
		1642	CODE:
		1643	RETVAL = env->set_tmp_dir (env, dir);
		1644	OUTPUT:
		1645	RETVAL
		1646
		1647	int set_lg_dir (DB_ENV *env, const char *dir)
		1648	CODE:
		1649	RETVAL = env->set_lg_dir (env, dir);
		1650	OUTPUT:
		1651	RETVAL
		1652
		1653	int set_shm_key (DB_ENV *env, long shm_key)
		1654	CODE:
		1655	RETVAL = env->set_shm_key (env, shm_key);
		1656	OUTPUT:
		1657	RETVAL
		1658
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1659	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		1660	CODE:
		1661	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		1662	OUTPUT:
		1663	RETVAL
949		1664
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	1665	int set_flags (DB_ENV *env, U32 flags, int onoff)
		1666	CODE:
		1667	RETVAL = env->set_flags (env, flags, onoff);
		1668	OUTPUT:
		1669	RETVAL
951		1670
		1671	void set_errfile (DB_ENV *env, FILE *errfile)
		1672	CODE:
		1673	env->set_errfile (env, errfile);
		1674
		1675	void set_msgfile (DB_ENV *env, FILE *msgfile)
		1676	CODE:
		1677	env->set_msgfile (env, msgfile);
		1678
		1679	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1680	CODE:
		1681	RETVAL = env->set_verbose (env, which, onoff);
		1682	OUTPUT:
		1683	RETVAL
		1684
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	1685	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		1686	CODE:
		1687	RETVAL = env->set_encrypt (env, password, flags);
		1688	OUTPUT:
		1689	RETVAL
		1690
		1691	int set_timeout (DB_ENV *env, NV timeout, U32 flags)
		1692	CODE:
		1693	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1694	OUTPUT:
		1695	RETVAL
		1696
		1697	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1698	CODE:
		1699	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1700	OUTPUT:
		1701	RETVAL
		1702
		1703	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1704	CODE:
		1705	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1706	OUTPUT:
		1707	RETVAL
		1708
		1709	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1710	CODE:
		1711	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1712	OUTPUT:
		1713	RETVAL
		1714
		1715	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1716	CODE:
		1717	RETVAL = env->set_lk_detect (env, detect);
		1718	OUTPUT:
		1719	RETVAL
		1720
		1721	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1722	CODE:
		1723	RETVAL = env->set_lk_max_lockers (env, max);
		1724	OUTPUT:
		1725	RETVAL
		1726
		1727	int set_lk_max_locks (DB_ENV *env, U32 max)
		1728	CODE:
		1729	RETVAL = env->set_lk_max_locks (env, max);
		1730	OUTPUT:
		1731	RETVAL
		1732
		1733	int set_lk_max_objects (DB_ENV *env, U32 max)
		1734	CODE:
		1735	RETVAL = env->set_lk_max_objects (env, max);
		1736	OUTPUT:
		1737	RETVAL
		1738
		1739	int set_lg_bsize (DB_ENV *env, U32 max)
		1740	CODE:
		1741	RETVAL = env->set_lg_bsize (env, max);
		1742	OUTPUT:
		1743	RETVAL
		1744
		1745	int set_lg_max (DB_ENV *env, U32 max)
		1746	CODE:
		1747	RETVAL = env->set_lg_max (env, max);
		1748	OUTPUT:
		1749	RETVAL
		1750
		1751	DB_TXN *
		1752	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1753	CODE:
		1754	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1755	if (errno)
		1756	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1757	OUTPUT:
		1758	RETVAL
953		1759
954	MODULE = BDB PACKAGE = BDB::Db	1760	MODULE = BDB PACKAGE = BDB::Db
955		1761
		1762	void
		1763	DESTROY (DB_ornull *db)
		1764	CODE:
		1765	if (db)
		1766	{
		1767	SV *env = (SV *)db->app_private;
		1768	db->close (db, 0);
		1769	SvREFCNT_dec (env);
		1770	}
		1771
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1772	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		1773	CODE:
		1774	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		1775	OUTPUT:
		1776	RETVAL
957		1777
958	int set_flags (DB *env, U32 flags, int onoff)	1778	int set_flags (DB *db, U32 flags);
		1779	CODE:
		1780	RETVAL = db->set_flags (db, flags);
		1781	OUTPUT:
		1782	RETVAL
959		1783
960	int set_encrypt (DB *db, const char *password, U32 flags)	1784	int set_encrypt (DB *db, const char *password, U32 flags)
		1785	CODE:
		1786	RETVAL = db->set_encrypt (db, password, flags);
		1787	OUTPUT:
		1788	RETVAL
961		1789
962	int set_lorder (DB *db, int lorder)	1790	int set_lorder (DB *db, int lorder)
963		1791	CODE:
		1792	RETVAL = db->set_lorder (db, lorder);
		1793	OUTPUT:
		1794	RETVAL
964		1795
965	int set_bt_minkey (DB *db, U32 minkey)	1796	int set_bt_minkey (DB *db, U32 minkey)
		1797	CODE:
		1798	RETVAL = db->set_bt_minkey (db, minkey);
		1799	OUTPUT:
		1800	RETVAL
966		1801
967	int set_re_delim(DB *db, int delim);	1802	int set_re_delim(DB *db, int delim);
		1803	CODE:
		1804	RETVAL = db->set_re_delim (db, delim);
		1805	OUTPUT:
		1806	RETVAL
968		1807
969	int set_re_pad (DB *db, int re_pad)	1808	int set_re_pad (DB *db, int re_pad)
		1809	CODE:
		1810	RETVAL = db->set_re_pad (db, re_pad);
		1811	OUTPUT:
		1812	RETVAL
970		1813
971	int set_re_source (DB *db, char *source)	1814	int set_re_source (DB *db, char *source)
		1815	CODE:
		1816	RETVAL = db->set_re_source (db, source);
		1817	OUTPUT:
		1818	RETVAL
972		1819
973	int set_re_len (DB *db, U32 re_len)	1820	int set_re_len (DB *db, U32 re_len)
		1821	CODE:
		1822	RETVAL = db->set_re_len (db, re_len);
		1823	OUTPUT:
		1824	RETVAL
974		1825
975	int set_h_ffactor (DB *db, U32 h_ffactor)	1826	int set_h_ffactor (DB *db, U32 h_ffactor)
		1827	CODE:
		1828	RETVAL = db->set_h_ffactor (db, h_ffactor);
		1829	OUTPUT:
		1830	RETVAL
976		1831
977	int set_h_nelem (DB *db, U32 h_nelem)	1832	int set_h_nelem (DB *db, U32 h_nelem)
		1833	CODE:
		1834	RETVAL = db->set_h_nelem (db, h_nelem);
		1835	OUTPUT:
		1836	RETVAL
978		1837
979	int set_q_extentsize (DB *db, U32 extentsize)	1838	int set_q_extentsize (DB *db, U32 extentsize)
		1839	CODE:
		1840	RETVAL = db->set_q_extentsize (db, extentsize);
		1841	OUTPUT:
		1842	RETVAL
980		1843
		1844	DBC *
		1845	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1846	CODE:
		1847	errno = db->cursor (db, txn, &RETVAL, flags);
		1848	if (errno)
		1849	croak ("DB->cursor: %s", db_strerror (errno));
		1850	OUTPUT:
		1851	RETVAL
981		1852
		1853	DB_SEQUENCE *
		1854	sequence (DB *db, U32 flags = 0)
		1855	CODE:
		1856	{
		1857	errno = db_sequence_create (&RETVAL, db, flags);
		1858	if (errno)
		1859	croak ("db_sequence_create: %s", db_strerror (errno));
		1860	}
		1861	OUTPUT:
		1862	RETVAL
		1863
		1864
		1865	MODULE = BDB PACKAGE = BDB::Txn
		1866
		1867	void
		1868	DESTROY (DB_TXN_ornull *txn)
		1869	CODE:
		1870	if (txn)
		1871	txn->abort (txn);
		1872
		1873	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
		1874	CODE:
		1875	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1876	OUTPUT:
		1877	RETVAL
		1878
		1879
		1880	MODULE = BDB PACKAGE = BDB::Cursor
		1881
		1882	void
		1883	DESTROY (DBC_ornull *dbc)
		1884	CODE:
		1885	if (dbc)
		1886	dbc->c_close (dbc);
		1887
		1888	MODULE = BDB PACKAGE = BDB::Sequence
		1889
		1890	void
		1891	DESTROY (DB_SEQUENCE_ornull *seq)
		1892	CODE:
		1893	if (seq)
		1894	seq->close (seq, 0);
		1895
		1896	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1897	CODE:
		1898	RETVAL = seq->initial_value (seq, value);
		1899	OUTPUT:
		1900	RETVAL
		1901
		1902	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1903	CODE:
		1904	RETVAL = seq->set_cachesize (seq, size);
		1905	OUTPUT:
		1906	RETVAL
		1907
		1908	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1909	CODE:
		1910	RETVAL = seq->set_flags (seq, flags);
		1911	OUTPUT:
		1912	RETVAL
		1913
		1914	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1915	CODE:
		1916	RETVAL = seq->set_range (seq, min, max);
		1917	OUTPUT:
		1918	RETVAL
		1919

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