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Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.20 by root, Tue Dec 4 10:13:50 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	typedef char *octetstring;
47		47
48	static SV *prepare_cb;	48	static SV *prepare_cb;
49		49
		50	#if DB_VERSION_MINOR >= 6
		51	# define c_close close
		52	# define c_count count
		53	# define c_del del
		54	# define c_dup dup
		55	# define c_get get
		56	# define c_pget pget
		57	# define c_put put
		58	#endif
		59
		60	static void
		61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		62	{
		63	printf ("err[%s]\n", msg);
		64	}
		65
		66	static void
		67	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		68	{
		69	printf ("msg[%s]\n", msg);
		70	}
		71
50	static inline char *	72	static char *
51	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
52	{	74	{
53	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
54	}	76	}
55		77
		78	static void
		79	sv_to_dbt (DBT *dbt, SV *sv)
		80	{
		81	STRLEN len;
		82	char *data = SvPVbyte (sv, len);
		83
		84	dbt->data = malloc (len);
		85	memcpy (dbt->data, data, len);
		86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
		88	}
		89
		90	static void
		91	dbt_to_sv (SV *sv, DBT *dbt)
		92	{
		93	if (sv)
		94	{
		95	SvREADONLY_off (sv);
		96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
		99
		100	free (dbt->data);
		101	}
		102
56	enum {	103	enum {
57	REQ_QUIT,	104	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		109	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	112	};
61		113
62	typedef struct aio_cb	114	typedef struct aio_cb
63	{	115	{
64	struct aio_cb *volatile next;	116	struct aio_cb *volatile next;
…		…
66	int type, pri, result;	118	int type, pri, result;
67		119
68	DB_ENV *env;	120	DB_ENV *env;
69	DB *db;	121	DB *db;
70	DB_TXN *txn;	122	DB_TXN *txn;
71	DBC *cursor;	123	DBC *dbc;
		124
		125	UV uv1;
72	int int1, int2;	126	int int1, int2;
73	U32 uint1, uint2;	127	U32 uint1, uint2;
74	char *buf1, *buf2;	128	char *buf1, *buf2;
		129	SV *sv1, *sv2, *sv3;
75		130
76	DBT dbt1, dbt2, dbt3;	131	DBT dbt1, dbt2, dbt3;
		132	DB_KEY_RANGE key_range;
		133	DB_SEQUENCE *seq;
		134	db_seq_t seq_t;
77	} aio_cb;	135	} aio_cb;
78		136
79	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
80		138
81	enum {	139	enum {
…		…
101		159
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		161
104	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
105		163
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	164	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
117		166
118	typedef struct worker {	167	typedef struct worker {
119	/* locked by wrklock */	168	/* locked by wrklock */
120	struct worker *prev, *next;	169	struct worker *prev, *next;
121		170
122	pthread_t tid;	171	thread_t tid;
123		172
124	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
126	void *dbuf;	175	void *dbuf;
127	DIR *dirp;	176	DIR *dirp;
…		…
142	}	191	}
143		192
144	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		197
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
152		201
153	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
154		203
155	static unsigned int get_nready ()	204	static unsigned int get_nready ()
156	{	205	{
157	unsigned int retval;	206	unsigned int retval;
158		207
159	LOCK (reqlock);	208	X_LOCK (reqlock);
160	retval = nready;	209	retval = nready;
161	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
162		211
163	return retval;	212	return retval;
164	}	213	}
165		214
166	static unsigned int get_npending ()	215	static unsigned int get_npending ()
167	{	216	{
168	unsigned int retval;	217	unsigned int retval;
169		218
170	LOCK (reslock);	219	X_LOCK (reslock);
171	retval = npending;	220	retval = npending;
172	UNLOCK (reslock);	221	X_UNLOCK (reslock);
173		222
174	return retval;	223	return retval;
175	}	224	}
176		225
177	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
178	{	227	{
179	unsigned int retval;	228	unsigned int retval;
180		229
181	LOCK (wrklock);	230	X_LOCK (wrklock);
182	retval = started;	231	retval = started;
183	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
184		233
185	return retval;	234	return retval;
186	}	235	}
187		236
188	#else	237	#else
…		…
258	if (SvOK (req->callback))	307	if (SvOK (req->callback))
259	{	308	{
260	ENTER;	309	ENTER;
261	SAVETMPS;	310	SAVETMPS;
262	PUSHMARK (SP);	311	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		312
265	switch (req->type)	313	switch (req->type)
266	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
		319	case REQ_DB_GET:
		320	case REQ_DB_PGET:
		321	dbt_to_sv (req->sv3, &req->dbt3);
		322	break;
		323
		324	case REQ_C_GET:
		325	case REQ_C_PGET:
		326	dbt_to_sv (req->sv1, &req->dbt1);
		327	dbt_to_sv (req->sv2, &req->dbt2);
		328	dbt_to_sv (req->sv3, &req->dbt3);
		329	break;
		330
		331	case REQ_DB_KEY_RANGE:
		332	{
		333	AV *av = newAV ();
		334
		335	av_push (av, newSVnv (req->key_range.less));
		336	av_push (av, newSVnv (req->key_range.equal));
		337	av_push (av, newSVnv (req->key_range.greater));
		338
		339	SvREADONLY_off (req->sv1);
		340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		341	SvREFCNT_dec (req->sv1);
		342	}
		343	break;
		344
		345	case REQ_SEQ_GET:
		346	SvREADONLY_off (req->sv1);
		347
		348	if (sizeof (IV) > 4)
		349	sv_setiv_mg (req->sv1, req->seq_t);
		350	else
		351	sv_setnv_mg (req->sv1, req->seq_t);
		352
		353	SvREFCNT_dec (req->sv1);
		354	break;
267	}	355	}
268		356
269	errno = req->result;	357	errno = req->result;
270		358
271	PUTBACK;	359	PUTBACK;
…		…
284	free (req->buf1);	372	free (req->buf1);
285	free (req->buf2);	373	free (req->buf2);
286	Safefree (req);	374	Safefree (req);
287	}	375	}
288		376
289	static void *aio_proc (void *arg);	377	#ifdef USE_SOCKETS_AS_HANDLES
		378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		379	#else
		380	# define TO_SOCKET(x) (x)
		381	#endif
		382
		383	static void
		384	create_respipe ()
		385	{
		386	int old_readfd = respipe [0];
		387
		388	if (respipe [1] >= 0)
		389	respipe_close (TO_SOCKET (respipe [1]));
		390
		391	#ifdef _WIN32
		392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		393	#else
		394	if (pipe (respipe))
		395	#endif
		396	croak ("unable to initialize result pipe");
		397
		398	if (old_readfd >= 0)
		399	{
		400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		401	croak ("unable to initialize result pipe(2)");
		402
		403	respipe_close (respipe [0]);
		404	respipe [0] = old_readfd;
		405	}
		406
		407	#ifdef _WIN32
		408	int arg = 1;
		409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		411	#else
		412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		414	#endif
		415	croak ("unable to initialize result pipe(3)");
		416
		417	respipe_osf [0] = TO_SOCKET (respipe [0]);
		418	respipe_osf [1] = TO_SOCKET (respipe [1]);
		419	}
		420
		421	X_THREAD_PROC (bdb_proc);
290		422
291	static void start_thread (void)	423	static void start_thread (void)
292	{	424	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	425	worker *wrk = calloc (1, sizeof (worker));
297		426
298	if (!wrk)	427	if (!wrk)
299	croak ("unable to allocate worker thread data");	428	croak ("unable to allocate worker thread data");
300		429
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	430	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	431	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	432	{
314	wrk->prev = &wrk_first;	433	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	434	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	435	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	436	wrk_first.next = wrk;
318	++started;	437	++started;
319	}	438	}
320	else	439	else
321	free (wrk);	440	free (wrk);
322		441
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	442	X_UNLOCK (wrklock);
325	}	443	}
326		444
327	static void maybe_start_thread ()	445	static void maybe_start_thread ()
328	{	446	{
329	if (get_nthreads () >= wanted)	447	if (get_nthreads () >= wanted)
…		…
341	SV *wait_callback = 0;	459	SV *wait_callback = 0;
342		460
343	// synthesize callback if none given	461	// synthesize callback if none given
344	if (!SvOK (req->callback))	462	if (!SvOK (req->callback))
345	{	463	{
		464	int count;
		465
346	dSP;	466	dSP;
347	PUSHMARK (SP);	467	PUSHMARK (SP);
348	PUTBACK;	468	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	469	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	470	SPAGAIN;
351		471
352	if (count != 2)	472	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	473	croak ("prepare callback must return exactly two values\n");
354		474
…		…
357	req->callback = SvREFCNT_inc (POPs);	477	req->callback = SvREFCNT_inc (POPs);
358	}	478	}
359		479
360	++nreqs;	480	++nreqs;
361		481
362	LOCK (reqlock);	482	X_LOCK (reqlock);
363	++nready;	483	++nready;
364	reqq_push (&req_queue, req);	484	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	485	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	486	X_UNLOCK (reqlock);
367		487
368	maybe_start_thread ();	488	maybe_start_thread ();
369		489
370	if (wait_callback)	490	if (wait_callback)
371	{	491	{
…		…
384	Newz (0, req, 1, aio_cb);	504	Newz (0, req, 1, aio_cb);
385		505
386	req->type = REQ_QUIT;	506	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	507	req->pri = PRI_MAX + PRI_BIAS;
388		508
389	LOCK (reqlock);	509	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	510	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	511	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	512	X_UNLOCK (reqlock);
393		513
394	LOCK (wrklock);	514	X_LOCK (wrklock);
395	--started;	515	--started;
396	UNLOCK (wrklock);	516	X_UNLOCK (wrklock);
397	}	517	}
398		518
399	static void set_max_idle (int nthreads)	519	static void set_max_idle (int nthreads)
400	{	520	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	521	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	522	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	523	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	524	}
405		525
406	static void min_parallel (int nthreads)	526	static void min_parallel (int nthreads)
407	{	527	{
408	if (wanted < nthreads)	528	if (wanted < nthreads)
…		…
423	fd_set rfd;	543	fd_set rfd;
424		544
425	while (nreqs)	545	while (nreqs)
426	{	546	{
427	int size;	547	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	548	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	549	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	550	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		551
432	if (size)	552	if (size)
433	return;	553	return;
434		554
435	maybe_start_thread ();	555	maybe_start_thread ();
436		556
437	FD_ZERO(&rfd);	557	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	558	FD_SET (respipe [0], &rfd);
439		559
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	560	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	561	}
442	}	562	}
443		563
444	static int poll_cb ()	564	static int poll_cb ()
445	{	565	{
…		…
457	{	577	{
458	for (;;)	578	for (;;)
459	{	579	{
460	maybe_start_thread ();	580	maybe_start_thread ();
461		581
462	LOCK (reslock);	582	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	583	req = reqq_shift (&res_queue);
464		584
465	if (req)	585	if (req)
466	{	586	{
467	--npending;	587	--npending;
468		588
469	if (!res_queue.size)	589	if (!res_queue.size)
470	{	590	{
471	/* read any signals sent by the worker threads */	591	/* read any signals sent by the worker threads */
472	char buf [4];	592	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	593	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	594	;
475	}	595	}
476	}	596	}
477		597
478	UNLOCK (reslock);	598	X_UNLOCK (reslock);
479		599
480	if (!req)	600	if (!req)
481	break;	601	break;
482		602
483	--nreqs;	603	--nreqs;
…		…
513	}	633	}
514		634
515	return count;	635	return count;
516	}	636	}
517		637
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	638	/*****************************************************************************/
531		639
532	static void *aio_proc (void *thr_arg)	640	X_THREAD_PROC (bdb_proc)
533	{	641	{
534	aio_req req;	642	aio_req req;
535	struct timespec ts;	643	struct timespec ts;
536	worker *self = (worker *)thr_arg;	644	worker *self = (worker *)thr_arg;
537		645
538	/* try to distribute timeouts somewhat evenly */	646	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	647	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		648
542	for (;;)	649	for (;;)
543	{	650	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	651	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		652
546	LOCK (reqlock);	653	X_LOCK (reqlock);
547		654
548	for (;;)	655	for (;;)
549	{	656	{
550	self->req = req = reqq_shift (&req_queue);	657	self->req = req = reqq_shift (&req_queue);
551		658
552	if (req)	659	if (req)
553	break;	660	break;
554		661
555	++idle;	662	++idle;
556		663
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	664	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	665	== ETIMEDOUT)
559	{	666	{
560	if (idle > max_idle)	667	if (idle > max_idle)
561	{	668	{
562	--idle;	669	--idle;
563	UNLOCK (reqlock);	670	X_UNLOCK (reqlock);
564	LOCK (wrklock);	671	X_LOCK (wrklock);
565	--started;	672	--started;
566	UNLOCK (wrklock);	673	X_UNLOCK (wrklock);
567	goto quit;	674	goto quit;
568	}	675	}
569		676
570	/* we are allowed to idle, so do so without any timeout */	677	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	678	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	679	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	680	}
574		681
575	--idle;	682	--idle;
576	}	683	}
577		684
578	--nready;	685	--nready;
579		686
580	UNLOCK (reqlock);	687	X_UNLOCK (reqlock);
581		688
582	switch (req->type)	689	switch (req->type)
583	{	690	{
584	case REQ_QUIT:	691	case REQ_QUIT:
		692	req->result = ENOSYS;
585	goto quit;	693	goto quit;
586		694
587	case REQ_ENV_OPEN:	695	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	696	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	697	break;
590		698
591	case REQ_ENV_CLOSE:	699	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	700	req->result = req->env->close (req->env, req->uint1);
593	break;	701	break;
594		702
		703	case REQ_ENV_TXN_CHECKPOINT:
		704	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		705	break;
		706
		707	case REQ_ENV_LOCK_DETECT:
		708	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		709	break;
		710
		711	case REQ_ENV_MEMP_SYNC:
		712	req->result = req->env->memp_sync (req->env, 0);
		713	break;
		714
		715	case REQ_ENV_MEMP_TRICKLE:
		716	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		717	break;
		718
595	case REQ_DB_OPEN:	719	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	720	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	721	break;
598		722
599	case REQ_DB_CLOSE:	723	case REQ_DB_CLOSE:
…		…
610		734
611	case REQ_DB_PUT:	735	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	736	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	737	break;
614		738
		739	case REQ_DB_GET:
		740	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		741	break;
		742
		743	case REQ_DB_PGET:
		744	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		745	break;
		746
		747	case REQ_DB_DEL:
		748	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		749	break;
		750
		751	case REQ_DB_KEY_RANGE:
		752	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		753	break;
		754
		755	case REQ_TXN_COMMIT:
		756	req->result = req->txn->commit (req->txn, req->uint1);
		757	break;
		758
		759	case REQ_TXN_ABORT:
		760	req->result = req->txn->abort (req->txn);
		761	break;
		762
		763	case REQ_TXN_FINISH:
		764	if (req->txn->flags & TXN_DEADLOCK)
		765	{
		766	req->result = req->txn->abort (req->txn);
		767	if (!req->result)
		768	req->result = DB_LOCK_DEADLOCK;
		769	}
		770	else
		771	req->result = req->txn->commit (req->txn, req->uint1);
		772	break;
		773
		774	case REQ_C_CLOSE:
		775	req->result = req->dbc->c_close (req->dbc);
		776	break;
		777
		778	case REQ_C_COUNT:
		779	{
		780	db_recno_t recno;
		781	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		782	req->uv1 = recno;
		783	}
		784	break;
		785
		786	case REQ_C_PUT:
		787	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		788	break;
		789
		790	case REQ_C_GET:
		791	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_C_PGET:
		795	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		796	break;
		797
		798	case REQ_C_DEL:
		799	req->result = req->dbc->c_del (req->dbc, req->uint1);
		800	break;
		801
		802	case REQ_SEQ_OPEN:
		803	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		804	break;
		805
		806	case REQ_SEQ_CLOSE:
		807	req->result = req->seq->close (req->seq, req->uint1);
		808	break;
		809
		810	case REQ_SEQ_GET:
		811	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		812	break;
		813
		814	case REQ_SEQ_REMOVE:
		815	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		816	break;
		817
615	default:	818	default:
616	req->result = ENOSYS;	819	req->result = ENOSYS;
617	break;	820	break;
618	}	821	}
619		822
		823	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		824	req->txn->flags |= TXN_DEADLOCK;
		825
620	LOCK (reslock);	826	X_LOCK (reslock);
621		827
622	++npending;	828	++npending;
623		829
624	if (!reqq_push (&res_queue, req))	830	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	831	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	832	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		833
628	self->req = 0;	834	self->req = 0;
629	worker_clear (self);	835	worker_clear (self);
630		836
631	UNLOCK (reslock);	837	X_UNLOCK (reslock);
632	}	838	}
633		839
634	quit:	840	quit:
635	LOCK (wrklock);	841	X_LOCK (wrklock);
636	worker_free (self);	842	worker_free (self);
637	UNLOCK (wrklock);	843	X_UNLOCK (wrklock);
638		844
639	return 0;	845	return 0;
640	}	846	}
641		847
642	/*****************************************************************************/	848	/*****************************************************************************/
643		849
644	static void atfork_prepare (void)	850	static void atfork_prepare (void)
645	{	851	{
646	LOCK (wrklock);	852	X_LOCK (wrklock);
647	LOCK (reqlock);	853	X_LOCK (reqlock);
648	LOCK (reslock);	854	X_LOCK (reslock);
649	}	855	}
650		856
651	static void atfork_parent (void)	857	static void atfork_parent (void)
652	{	858	{
653	UNLOCK (reslock);	859	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	860	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	861	X_UNLOCK (wrklock);
656	}	862	}
657		863
658	static void atfork_child (void)	864	static void atfork_child (void)
659	{	865	{
660	aio_req prv;	866	aio_req prv;
…		…
680	idle = 0;	886	idle = 0;
681	nreqs = 0;	887	nreqs = 0;
682	nready = 0;	888	nready = 0;
683	npending = 0;	889	npending = 0;
684		890
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	891	create_respipe ();
688		892
689	atfork_parent ();	893	atfork_parent ();
690	}	894	}
691		895
692	#define dREQ(reqtype) \	896	#define dREQ(reqtype) \
…		…
706	req->pri = req_pri	910	req->pri = req_pri
707		911
708	#define REQ_SEND \	912	#define REQ_SEND \
709	req_send (req)	913	req_send (req)
710		914
711	#define SvPTR(var, arg, type, class) \	915	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	916	if (!SvOK (arg)) \
		917	{ \
		918	if (!nullok) \
		919	croak (# var " must be a " # class " object, not undef"); \
		920	\
713	(var) = 0; \	921	(var) = 0; \
		922	} \
714	else if (sv_derived_from ((arg), # class)) \	923	else if (sv_derived_from ((arg), # class)) \
715	{ \	924	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	925	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	926	(var) = INT2PTR (type, tmp); \
		927	if (!var) \
		928	croak (# var " is not a valid " # class " object anymore"); \
718	} \	929	} \
719	else \	930	else \
720	Perl_croak (# var " is not of type " # class)	931	croak (# var " is not of type " # class); \
		932	\
721		933
722	inline void	934	static void
723	set_dbt (DBT *dbt, SV *sv)	935	ptr_nuke (SV *sv)
724	{	936	{
725	STRLEN len;	937	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	938	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	939	}
732		940
733	MODULE = BDB PACKAGE = BDB	941	MODULE = BDB PACKAGE = BDB
734		942
735	PROTOTYPES: ENABLE	943	PROTOTYPES: ENABLE
736		944
737	BOOT:	945	BOOT:
…		…
752	const_iv (INIT_TXN)	960	const_iv (INIT_TXN)
753	const_iv (RECOVER)	961	const_iv (RECOVER)
754	const_iv (INIT_TXN)	962	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	963	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	964	const_iv (CREATE)
		965	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	966	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	967	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	968	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	969	const_iv (PRIVATE)
761	const_iv (REGISTER)	970	const_iv (REGISTER)
…		…
767	const_iv (DSYNC_DB)	976	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	977	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	978	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	979	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	980	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	981	const_iv (NOMMAP)
774	const_iv (NOPANIC)	982	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	983	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	984	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	985	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	986	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	987	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	988	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	989	const_iv (TXN_WRITE_NOSYNC)
		990	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	991	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	992	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	993	const_iv (XA_CREATE)
785	const_iv (BTREE)	994	const_iv (BTREE)
786	const_iv (HASH)	995	const_iv (HASH)
…		…
792	const_iv (READ_UNCOMMITTED)	1001	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1002	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1003	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1004	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1005	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1006	const_iv (DUP)
799	const_iv (DUPSORT)	1007	const_iv (DUPSORT)
800	const_iv (RECNUM)	1008	const_iv (RECNUM)
801	const_iv (RENUMBER)	1009	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1010	const_iv (REVSPLITOFF)
803	const_iv (INORDER)	1011	const_iv (INORDER)
804	const_iv (CONSUME)	1012	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1013	const_iv (CONSUME_WAIT)
		1014	const_iv (GET_BOTH)
		1015	const_iv (GET_BOTH_RANGE)
		1016	//const_iv (SET_RECNO)
		1017	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1018	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1019	const_iv (JOIN_ITEM)
808	const_iv (RMW)	1020	const_iv (RMW)
809		1021
810	const_iv (NOTFOUND)	1022	const_iv (NOTFOUND)
…		…
813	const_iv (LOCK_NOTGRANTED)	1025	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1026	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1027	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1028	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1029	const_iv (REP_LOCKOUT)
		1030	const_iv (SECONDARY_BAD)
818		1031
819	const_iv (FREE_SPACE)	1032	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)	1033	const_iv (FREELIST_ONLY)
821		1034
822	const_iv (APPEND)	1035	const_iv (APPEND)
823	const_iv (NODUPDATA)	1036	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1037	const_iv (NOOVERWRITE)
825		1038
826	const_iv (TXN_NOWAIT)	1039	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1040	const_iv (TXN_SYNC)
829		1041
830	const_iv (SET_LOCK_TIMEOUT)	1042	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1043	const_iv (SET_TXN_TIMEOUT)
		1044
		1045	const_iv (JOIN_ITEM)
		1046	const_iv (FIRST)
		1047	const_iv (NEXT)
		1048	const_iv (NEXT_DUP)
		1049	const_iv (NEXT_NODUP)
		1050	const_iv (PREV)
		1051	const_iv (PREV_NODUP)
		1052	const_iv (SET)
		1053	const_iv (SET_RANGE)
		1054	const_iv (LAST)
		1055	const_iv (BEFORE)
		1056	const_iv (AFTER)
		1057	const_iv (CURRENT)
		1058	const_iv (KEYFIRST)
		1059	const_iv (KEYLAST)
		1060	const_iv (NODUPDATA)
		1061
		1062	const_iv (FORCE)
		1063
		1064	const_iv (LOCK_DEFAULT)
		1065	const_iv (LOCK_EXPIRE)
		1066	const_iv (LOCK_MAXLOCKS)
		1067	const_iv (LOCK_MAXWRITE)
		1068	const_iv (LOCK_MINLOCKS)
		1069	const_iv (LOCK_MINWRITE)
		1070	const_iv (LOCK_OLDEST)
		1071	const_iv (LOCK_RANDOM)
		1072	const_iv (LOCK_YOUNGEST)
		1073
		1074	const_iv (SEQ_DEC)
		1075	const_iv (SEQ_INC)
		1076	const_iv (SEQ_WRAP)
		1077
		1078	const_iv (BUFFER_SMALL)
		1079	const_iv (DONOTINDEX)
		1080	const_iv (KEYEMPTY )
		1081	const_iv (KEYEXIST )
		1082	const_iv (LOCK_DEADLOCK)
		1083	const_iv (LOCK_NOTGRANTED)
		1084	const_iv (LOG_BUFFER_FULL)
		1085	const_iv (NOSERVER)
		1086	const_iv (NOSERVER_HOME)
		1087	const_iv (NOSERVER_ID)
		1088	const_iv (NOTFOUND)
		1089	const_iv (OLD_VERSION)
		1090	const_iv (PAGE_NOTFOUND)
		1091	const_iv (REP_DUPMASTER)
		1092	const_iv (REP_HANDLE_DEAD)
		1093	const_iv (REP_HOLDELECTION)
		1094	const_iv (REP_IGNORE)
		1095	const_iv (REP_ISPERM)
		1096	const_iv (REP_JOIN_FAILURE)
		1097	const_iv (REP_LOCKOUT)
		1098	const_iv (REP_NEWMASTER)
		1099	const_iv (REP_NEWSITE)
		1100	const_iv (REP_NOTPERM)
		1101	const_iv (REP_UNAVAIL)
		1102	const_iv (RUNRECOVERY)
		1103	const_iv (SECONDARY_BAD)
		1104	const_iv (VERIFY_BAD)
		1105	const_iv (VERSION_MISMATCH)
		1106
		1107	const_iv (VERB_DEADLOCK)
		1108	const_iv (VERB_RECOVERY)
		1109	const_iv (VERB_REGISTER)
		1110	const_iv (VERB_REPLICATION)
		1111	const_iv (VERB_WAITSFOR)
		1112
		1113	const_iv (VERSION_MAJOR)
		1114	const_iv (VERSION_MINOR)
		1115	const_iv (VERSION_PATCH)
		1116	#if DB_VERSION_MINOR >= 5
		1117	const_iv (MULTIVERSION)
		1118	const_iv (TXN_SNAPSHOT)
		1119	#endif
		1120	#if DB_VERSION_MINOR >= 6
		1121	const_iv (PREV_DUP)
		1122	# if 0
		1123	const_iv (PRIORITY_UNCHANGED)
		1124	const_iv (PRIORITY_VERY_LOW)
		1125	const_iv (PRIORITY_LOW)
		1126	const_iv (PRIORITY_DEFAULT)
		1127	const_iv (PRIORITY_HIGH)
		1128	const_iv (PRIORITY_VERY_HIGH)
		1129	# endif
		1130	#endif
832	};	1131	};
833		1132
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1133	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1134	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1135
837	create_pipe ();	1136	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1137	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1138
		1139	create_respipe ();
		1140
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1141	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1142	#ifdef _WIN32
		1143	X_MUTEX_CHECK (wrklock);
		1144	X_MUTEX_CHECK (reslock);
		1145	X_MUTEX_CHECK (reqlock);
		1146
		1147	X_COND_CHECK (reqwait);
		1148	#endif
839	}	1149	}
840		1150
841	void	1151	void
842	max_poll_reqs (int nreqs)	1152	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1153	PROTOTYPE: $
…		…
962		1272
963	int	1273	int
964	nthreads ()	1274	nthreads ()
965	PROTOTYPE:	1275	PROTOTYPE:
966	CODE:	1276	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1277	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1278	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1279	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1280	OUTPUT:
971	RETVAL	1281	RETVAL
972		1282
973	void	1283	void
974	set_sync_prepare (SV *cb)	1284	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1285	PROTOTYPE: &
976	CODE:	1286	CODE:
977	SvREFCNT_dec (prepare_cb);	1287	SvREFCNT_dec (prepare_cb);
978	prepare_cb = newSVsv (cb);	1288	prepare_cb = newSVsv (cb);
		1289
		1290	char *
		1291	strerror (int errorno = errno)
		1292	PROTOTYPE: ;$
		1293	CODE:
		1294	RETVAL = db_strerror (errorno);
		1295	OUTPUT:
		1296	RETVAL
979		1297
980	DB_ENV *	1298	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1299	db_env_create (U32 env_flags = 0)
982	CODE:	1300	CODE:
983	{	1301	{
984	errno = db_env_create (&RETVAL, env_flags);	1302	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1303	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1304	croak ("db_env_create: %s", db_strerror (errno));
		1305
		1306	if (0)
		1307	{
		1308	RETVAL->set_errcall (RETVAL, debug_errcall);
		1309	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1310	}
987	}	1311	}
988	OUTPUT:	1312	OUTPUT:
989	RETVAL	1313	RETVAL
990		1314
991	void	1315	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1316	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
993	CODE:	1317	CODE:
994	{	1318	{
995	dREQ (REQ_ENV_OPEN);	1319	dREQ (REQ_ENV_OPEN);
		1320
		1321	env->set_thread_count (env, wanted + 2);
		1322
996	req->env = env;	1323	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1324	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1325	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1326	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1327	REQ_SEND;
…		…
1006	{	1333	{
1007	dREQ (REQ_ENV_CLOSE);	1334	dREQ (REQ_ENV_CLOSE);
1008	req->env = env;	1335	req->env = env;
1009	req->uint1 = flags;	1336	req->uint1 = flags;
1010	REQ_SEND;	1337	REQ_SEND;
		1338	ptr_nuke (ST (0));
1011	}	1339	}
		1340
		1341	void
		1342	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1343	CODE:
		1344	{
		1345	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1346	req->env = env;
		1347	req->uint1 = kbyte;
		1348	req->int1 = min;
		1349	req->uint2 = flags;
		1350	REQ_SEND;
		1351	}
		1352
		1353	void
		1354	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1355	CODE:
		1356	{
		1357	dREQ (REQ_ENV_LOCK_DETECT);
		1358	req->env = env;
		1359	req->uint1 = flags;
		1360	req->uint2 = atype;
		1361	REQ_SEND;
		1362	}
		1363
		1364	void
		1365	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1366	CODE:
		1367	{
		1368	dREQ (REQ_ENV_MEMP_SYNC);
		1369	req->env = env;
		1370	REQ_SEND;
		1371	}
		1372
		1373	void
		1374	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1375	CODE:
		1376	{
		1377	dREQ (REQ_ENV_MEMP_TRICKLE);
		1378	req->env = env;
		1379	req->int1 = percent;
		1380	REQ_SEND;
		1381	}
		1382
1012		1383
1013	DB *	1384	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1385	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1386	CODE:
1016	{	1387	{
1017	errno = db_create (&RETVAL, env, flags);	1388	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1389	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1390	croak ("db_create: %s", db_strerror (errno));
		1391
		1392	if (RETVAL)
		1393	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1394	}
1021	OUTPUT:	1395	OUTPUT:
1022	RETVAL	1396	RETVAL
1023		1397
1024	void	1398	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1399	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1026	CODE:	1400	CODE:
1027	{	1401	{
1028	dREQ (REQ_DB_OPEN);	1402	dREQ (REQ_DB_OPEN);
1029	req->db = db;	1403	req->db = db;
1030	req->txn = txnid;	1404	req->txn = txnid;
…		…
1041	CODE:	1415	CODE:
1042	{	1416	{
1043	dREQ (REQ_DB_CLOSE);	1417	dREQ (REQ_DB_CLOSE);
1044	req->db = db;	1418	req->db = db;
1045	req->uint1 = flags;	1419	req->uint1 = flags;
		1420	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1421	REQ_SEND;
		1422	ptr_nuke (ST (0));
1047	}	1423	}
1048		1424
1049	void	1425	void
1050	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1426	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)
1051	CODE:	1427	CODE:
1052	{	1428	{
1053	dREQ (REQ_DB_COMPACT);	1429	dREQ (REQ_DB_COMPACT);
1054	req->db = db;	1430	req->db = db;
1055	req->txn = txn;	1431	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1432	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1433	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1434	req->uint1 = flags;
1059	REQ_SEND;	1435	REQ_SEND;
1060	}	1436	}
1061		1437
1062	void	1438	void
…		…
1068	req->uint1 = flags;	1444	req->uint1 = flags;
1069	REQ_SEND;	1445	REQ_SEND;
1070	}	1446	}
1071		1447
1072	void	1448	void
		1449	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1450	CODE:
		1451	{
		1452	dREQ (REQ_DB_KEY_RANGE);
		1453	req->db = db;
		1454	req->txn = txn;
		1455	sv_to_dbt (&req->dbt1, key);
		1456	req->uint1 = flags;
		1457	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1458	REQ_SEND;
		1459	}
		1460
		1461	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1462	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1074	CODE:	1463	CODE:
1075	{	1464	{
1076	dREQ (REQ_DB_PUT);	1465	dREQ (REQ_DB_PUT);
1077	req->db = db;	1466	req->db = db;
1078	req->txn = 0;	1467	req->txn = txn;
1079	set_dbt (&req->dbt1, key);	1468	sv_to_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);	1469	sv_to_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1470	req->uint1 = flags;
1082	REQ_SEND;	1471	REQ_SEND;
1083	}	1472	}
1084		1473
		1474	void
		1475	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1476	CODE:
		1477	{
		1478	dREQ (REQ_DB_GET);
		1479	req->db = db;
		1480	req->txn = txn;
		1481	req->uint1 = flags;
		1482	sv_to_dbt (&req->dbt1, key);
		1483	req->dbt3.flags = DB_DBT_MALLOC;
		1484	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1485	REQ_SEND;
		1486	}
		1487
		1488	void
		1489	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1490	CODE:
		1491	{
		1492	dREQ (REQ_DB_PGET);
		1493	req->db = db;
		1494	req->txn = txn;
		1495	req->uint1 = flags;
		1496	sv_to_dbt (&req->dbt1, key);
		1497	sv_to_dbt (&req->dbt2, pkey);
		1498	req->dbt3.flags = DB_DBT_MALLOC;
		1499	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1500	REQ_SEND;
		1501	}
		1502
		1503	void
		1504	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1505	CODE:
		1506	{
		1507	dREQ (REQ_DB_DEL);
		1508	req->db = db;
		1509	req->txn = txn;
		1510	req->uint1 = flags;
		1511	sv_to_dbt (&req->dbt1, key);
		1512	REQ_SEND;
		1513	}
		1514
		1515	void
		1516	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1517	CODE:
		1518	{
		1519	dREQ (REQ_TXN_COMMIT);
		1520	req->txn = txn;
		1521	req->uint1 = flags;
		1522	REQ_SEND;
		1523	ptr_nuke (ST (0));
		1524	}
		1525
		1526	void
		1527	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1528	CODE:
		1529	{
		1530	dREQ (REQ_TXN_ABORT);
		1531	req->txn = txn;
		1532	REQ_SEND;
		1533	ptr_nuke (ST (0));
		1534	}
		1535
		1536	void
		1537	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1538	CODE:
		1539	{
		1540	dREQ (REQ_TXN_FINISH);
		1541	req->txn = txn;
		1542	req->uint1 = flags;
		1543	REQ_SEND;
		1544	ptr_nuke (ST (0));
		1545	}
		1546
		1547	void
		1548	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1549	CODE:
		1550	{
		1551	dREQ (REQ_C_CLOSE);
		1552	req->dbc = dbc;
		1553	REQ_SEND;
		1554	ptr_nuke (ST (0));
		1555	}
		1556
		1557	void
		1558	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1559	CODE:
		1560	{
		1561	dREQ (REQ_C_COUNT);
		1562	req->dbc = dbc;
		1563	req->sv1 = SvREFCNT_inc (count);
		1564	REQ_SEND;
		1565	}
		1566
		1567	void
		1568	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1569	CODE:
		1570	{
		1571	dREQ (REQ_C_PUT);
		1572	req->dbc = dbc;
		1573	sv_to_dbt (&req->dbt1, key);
		1574	sv_to_dbt (&req->dbt2, data);
		1575	req->uint1 = flags;
		1576	REQ_SEND;
		1577	}
		1578
		1579	void
		1580	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1581	CODE:
		1582	{
		1583	dREQ (REQ_C_GET);
		1584	req->dbc = dbc;
		1585	req->uint1 = flags;
		1586	if ((flags & DB_SET) == DB_SET
		1587	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1588	sv_to_dbt (&req->dbt1, key);
		1589	else
		1590	req->dbt1.flags = DB_DBT_MALLOC;
		1591
		1592	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1593
		1594	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1595	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1596	sv_to_dbt (&req->dbt3, data);
		1597	else
		1598	req->dbt3.flags = DB_DBT_MALLOC;
		1599
		1600	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
		1605	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1606	CODE:
		1607	{
		1608	dREQ (REQ_C_PGET);
		1609	req->dbc = dbc;
		1610	req->uint1 = flags;
		1611	if ((flags & DB_SET) == DB_SET
		1612	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1613	sv_to_dbt (&req->dbt1, key);
		1614	else
		1615	req->dbt1.flags = DB_DBT_MALLOC;
		1616
		1617	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1618
		1619	req->dbt2.flags = DB_DBT_MALLOC;
		1620	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1621
		1622	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1623	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1624	sv_to_dbt (&req->dbt3, data);
		1625	else
		1626	req->dbt3.flags = DB_DBT_MALLOC;
		1627
		1628	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1629	REQ_SEND;
		1630	}
		1631
		1632	void
		1633	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1634	CODE:
		1635	{
		1636	dREQ (REQ_C_DEL);
		1637	req->dbc = dbc;
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	}
		1641
		1642
		1643	void
		1644	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1645	CODE:
		1646	{
		1647	dREQ (REQ_SEQ_OPEN);
		1648	req->seq = seq;
		1649	req->txn = txnid;
		1650	req->uint1 = flags | DB_THREAD;
		1651	sv_to_dbt (&req->dbt1, key);
		1652	REQ_SEND;
		1653	}
		1654
		1655	void
		1656	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1657	CODE:
		1658	{
		1659	dREQ (REQ_SEQ_CLOSE);
		1660	req->seq = seq;
		1661	req->uint1 = flags;
		1662	REQ_SEND;
		1663	ptr_nuke (ST (0));
		1664	}
		1665
		1666	void
		1667	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)
		1668	CODE:
		1669	{
		1670	dREQ (REQ_SEQ_GET);
		1671	req->seq = seq;
		1672	req->txn = txnid;
		1673	req->int1 = delta;
		1674	req->uint1 = flags;
		1675	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1676	REQ_SEND;
		1677	}
		1678
		1679	void
		1680	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1681	CODE:
		1682	{
		1683	dREQ (REQ_SEQ_REMOVE);
		1684	req->seq = seq;
		1685	req->txn = txnid;
		1686	req->uint1 = flags;
		1687	REQ_SEND;
		1688	}
		1689
1085		1690
1086	MODULE = BDB PACKAGE = BDB::Env	1691	MODULE = BDB PACKAGE = BDB::Env
1087		1692
		1693	void
		1694	DESTROY (DB_ENV_ornull *env)
		1695	CODE:
		1696	if (env)
		1697	env->close (env, 0);
		1698
		1699	int set_data_dir (DB_ENV *env, const char *dir)
		1700	CODE:
		1701	RETVAL = env->set_data_dir (env, dir);
		1702	OUTPUT:
		1703	RETVAL
		1704
		1705	int set_tmp_dir (DB_ENV *env, const char *dir)
		1706	CODE:
		1707	RETVAL = env->set_tmp_dir (env, dir);
		1708	OUTPUT:
		1709	RETVAL
		1710
		1711	int set_lg_dir (DB_ENV *env, const char *dir)
		1712	CODE:
		1713	RETVAL = env->set_lg_dir (env, dir);
		1714	OUTPUT:
		1715	RETVAL
		1716
		1717	int set_shm_key (DB_ENV *env, long shm_key)
		1718	CODE:
		1719	RETVAL = env->set_shm_key (env, shm_key);
		1720	OUTPUT:
		1721	RETVAL
		1722
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1723	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	1724	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1725	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	1726	OUTPUT:
1092	RETVAL	1727	RETVAL
…		…
1095	CODE:	1730	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	1731	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	1732	OUTPUT:
1098	RETVAL	1733	RETVAL
1099		1734
		1735	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1736	CODE:
		1737	env->set_errfile (env, errfile);
		1738
		1739	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1740	CODE:
		1741	env->set_msgfile (env, msgfile);
		1742
		1743	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1744	CODE:
		1745	RETVAL = env->set_verbose (env, which, onoff);
		1746	OUTPUT:
		1747	RETVAL
		1748
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1749	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	1750	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	1751	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	1752	OUTPUT:
1104	RETVAL	1753	RETVAL
1105		1754
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1755	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	1756	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1757	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	1758	OUTPUT:
1110	RETVAL	1759	RETVAL
1111		1760
		1761	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1762	CODE:
		1763	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1764	OUTPUT:
		1765	RETVAL
		1766
		1767	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1768	CODE:
		1769	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1770	OUTPUT:
		1771	RETVAL
		1772
		1773	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1774	CODE:
		1775	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1776	OUTPUT:
		1777	RETVAL
		1778
		1779	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1780	CODE:
		1781	RETVAL = env->set_lk_detect (env, detect);
		1782	OUTPUT:
		1783	RETVAL
		1784
		1785	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1786	CODE:
		1787	RETVAL = env->set_lk_max_lockers (env, max);
		1788	OUTPUT:
		1789	RETVAL
		1790
		1791	int set_lk_max_locks (DB_ENV *env, U32 max)
		1792	CODE:
		1793	RETVAL = env->set_lk_max_locks (env, max);
		1794	OUTPUT:
		1795	RETVAL
		1796
		1797	int set_lk_max_objects (DB_ENV *env, U32 max)
		1798	CODE:
		1799	RETVAL = env->set_lk_max_objects (env, max);
		1800	OUTPUT:
		1801	RETVAL
		1802
		1803	int set_lg_bsize (DB_ENV *env, U32 max)
		1804	CODE:
		1805	RETVAL = env->set_lg_bsize (env, max);
		1806	OUTPUT:
		1807	RETVAL
		1808
		1809	int set_lg_max (DB_ENV *env, U32 max)
		1810	CODE:
		1811	RETVAL = env->set_lg_max (env, max);
		1812	OUTPUT:
		1813	RETVAL
		1814
		1815	DB_TXN *
		1816	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1817	CODE:
		1818	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1819	if (errno)
		1820	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1821	OUTPUT:
		1822	RETVAL
1112		1823
1113	MODULE = BDB PACKAGE = BDB::Db	1824	MODULE = BDB PACKAGE = BDB::Db
1114		1825
		1826	void
		1827	DESTROY (DB_ornull *db)
		1828	CODE:
		1829	if (db)
		1830	{
		1831	SV *env = (SV *)db->app_private;
		1832	db->close (db, 0);
		1833	SvREFCNT_dec (env);
		1834	}
		1835
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1836	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	1837	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1838	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	1839	OUTPUT:
1119	RETVAL	1840	RETVAL
1120		1841
1121	int set_flags (DB *db, U32 flags);	1842	int set_flags (DB *db, U32 flags)
1122	CODE:	1843	CODE:
1123	RETVAL = db->set_flags (db, flags);	1844	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	1845	OUTPUT:
1125	RETVAL	1846	RETVAL
1126		1847
…		…
1134	CODE:	1855	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	1856	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	1857	OUTPUT:
1137	RETVAL	1858	RETVAL
1138		1859
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	1860	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	1861	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	1862	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	1863	OUTPUT:
1144	RETVAL	1864	RETVAL
1145		1865
1146	int set_re_delim(DB *db, int delim);	1866	int set_re_delim (DB *db, int delim)
1147	CODE:	1867	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	1868	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	1869	OUTPUT:
1150	RETVAL	1870	RETVAL
1151		1871
…		…
1183	CODE:	1903	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	1904	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	1905	OUTPUT:
1186	RETVAL	1906	RETVAL
1187		1907
		1908	DBC *
		1909	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1910	CODE:
		1911	errno = db->cursor (db, txn, &RETVAL, flags);
		1912	if (errno)
		1913	croak ("DB->cursor: %s", db_strerror (errno));
		1914	OUTPUT:
		1915	RETVAL
1188		1916
		1917	DB_SEQUENCE *
		1918	sequence (DB *db, U32 flags = 0)
		1919	CODE:
		1920	{
		1921	errno = db_sequence_create (&RETVAL, db, flags);
		1922	if (errno)
		1923	croak ("db_sequence_create: %s", db_strerror (errno));
		1924	}
		1925	OUTPUT:
		1926	RETVAL
		1927
		1928
		1929	MODULE = BDB PACKAGE = BDB::Txn
		1930
		1931	void
		1932	DESTROY (DB_TXN_ornull *txn)
		1933	CODE:
		1934	if (txn)
		1935	txn->abort (txn);
		1936
		1937	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1938	CODE:
		1939	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1940	OUTPUT:
		1941	RETVAL
		1942
		1943	int failed (DB_TXN *txn)
		1944	CODE:
		1945	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1946	OUTPUT:
		1947	RETVAL
		1948
		1949
		1950	MODULE = BDB PACKAGE = BDB::Cursor
		1951
		1952	void
		1953	DESTROY (DBC_ornull *dbc)
		1954	CODE:
		1955	if (dbc)
		1956	dbc->c_close (dbc);
		1957
		1958	MODULE = BDB PACKAGE = BDB::Sequence
		1959
		1960	void
		1961	DESTROY (DB_SEQUENCE_ornull *seq)
		1962	CODE:
		1963	if (seq)
		1964	seq->close (seq, 0);
		1965
		1966	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1967	CODE:
		1968	RETVAL = seq->initial_value (seq, value);
		1969	OUTPUT:
		1970	RETVAL
		1971
		1972	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1973	CODE:
		1974	RETVAL = seq->set_cachesize (seq, size);
		1975	OUTPUT:
		1976	RETVAL
		1977
		1978	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1979	CODE:
		1980	RETVAL = seq->set_flags (seq, flags);
		1981	OUTPUT:
		1982	RETVAL
		1983
		1984	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1985	CODE:
		1986	RETVAL = seq->set_range (seq, min, max);
		1987	OUTPUT:
		1988	RETVAL
		1989

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