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Comparing BDB/BDB.xs (file contents):
Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs.
Revision 1.23 by root, Fri Dec 7 13:38:54 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_PUT:
		332	case REQ_C_PUT:
		333	dbt_to_sv (0, &req->dbt1);
		334	dbt_to_sv (0, &req->dbt2);
		335	break;
		336
		337	case REQ_DB_KEY_RANGE:
		338	{
		339	AV *av = newAV ();
		340
		341	av_push (av, newSVnv (req->key_range.less));
		342	av_push (av, newSVnv (req->key_range.equal));
		343	av_push (av, newSVnv (req->key_range.greater));
		344
		345	SvREADONLY_off (req->sv1);
		346	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		347	SvREFCNT_dec (req->sv1);
		348	}
		349	break;
		350
		351	case REQ_SEQ_GET:
		352	SvREADONLY_off (req->sv1);
		353
		354	if (sizeof (IV) > 4)
		355	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		356	else
		357	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		358
		359	SvREFCNT_dec (req->sv1);
		360	break;
267	}	361	}
268		362
269	errno = req->result;	363	errno = req->result;
270		364
271	PUTBACK;	365	PUTBACK;
…		…
284	free (req->buf1);	378	free (req->buf1);
285	free (req->buf2);	379	free (req->buf2);
286	Safefree (req);	380	Safefree (req);
287	}	381	}
288		382
289	static void *aio_proc (void *arg);	383	#ifdef USE_SOCKETS_AS_HANDLES
		384	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		385	#else
		386	# define TO_SOCKET(x) (x)
		387	#endif
		388
		389	static void
		390	create_respipe ()
		391	{
		392	#ifdef _WIN32
		393	int arg; /* argg */
		394	#endif
		395	int old_readfd = respipe [0];
		396
		397	if (respipe [1] >= 0)
		398	respipe_close (TO_SOCKET (respipe [1]));
		399
		400	#ifdef _WIN32
		401	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		402	#else
		403	if (pipe (respipe))
		404	#endif
		405	croak ("unable to initialize result pipe");
		406
		407	if (old_readfd >= 0)
		408	{
		409	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		410	croak ("unable to initialize result pipe(2)");
		411
		412	respipe_close (respipe [0]);
		413	respipe [0] = old_readfd;
		414	}
		415
		416	#ifdef _WIN32
		417	arg = 1;
		418	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		419	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		420	#else
		421	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		422	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		423	#endif
		424	croak ("unable to initialize result pipe(3)");
		425
		426	respipe_osf [0] = TO_SOCKET (respipe [0]);
		427	respipe_osf [1] = TO_SOCKET (respipe [1]);
		428	}
		429
		430	X_THREAD_PROC (bdb_proc);
290		431
291	static void start_thread (void)	432	static void start_thread (void)
292	{	433	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	434	worker *wrk = calloc (1, sizeof (worker));
297		435
298	if (!wrk)	436	if (!wrk)
299	croak ("unable to allocate worker thread data");	437	croak ("unable to allocate worker thread data");
300		438
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);	439	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	440	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	441	{
314	wrk->prev = &wrk_first;	442	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	443	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	444	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	445	wrk_first.next = wrk;
318	++started;	446	++started;
319	}	447	}
320	else	448	else
321	free (wrk);	449	free (wrk);
322		450
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	451	X_UNLOCK (wrklock);
325	}	452	}
326		453
327	static void maybe_start_thread ()	454	static void maybe_start_thread ()
328	{	455	{
329	if (get_nthreads () >= wanted)	456	if (get_nthreads () >= wanted)
…		…
341	SV *wait_callback = 0;	468	SV *wait_callback = 0;
342		469
343	// synthesize callback if none given	470	// synthesize callback if none given
344	if (!SvOK (req->callback))	471	if (!SvOK (req->callback))
345	{	472	{
		473	int count;
		474
346	dSP;	475	dSP;
347	PUSHMARK (SP);	476	PUSHMARK (SP);
348	PUTBACK;	477	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	478	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	479	SPAGAIN;
351		480
352	if (count != 2)	481	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	482	croak ("prepare callback must return exactly two values\n");
354		483
…		…
357	req->callback = SvREFCNT_inc (POPs);	486	req->callback = SvREFCNT_inc (POPs);
358	}	487	}
359		488
360	++nreqs;	489	++nreqs;
361		490
362	LOCK (reqlock);	491	X_LOCK (reqlock);
363	++nready;	492	++nready;
364	reqq_push (&req_queue, req);	493	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	494	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	495	X_UNLOCK (reqlock);
367		496
368	maybe_start_thread ();	497	maybe_start_thread ();
369		498
370	if (wait_callback)	499	if (wait_callback)
371	{	500	{
…		…
384	Newz (0, req, 1, aio_cb);	513	Newz (0, req, 1, aio_cb);
385		514
386	req->type = REQ_QUIT;	515	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	516	req->pri = PRI_MAX + PRI_BIAS;
388		517
389	LOCK (reqlock);	518	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	519	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	520	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	521	X_UNLOCK (reqlock);
393		522
394	LOCK (wrklock);	523	X_LOCK (wrklock);
395	--started;	524	--started;
396	UNLOCK (wrklock);	525	X_UNLOCK (wrklock);
397	}	526	}
398		527
399	static void set_max_idle (int nthreads)	528	static void set_max_idle (int nthreads)
400	{	529	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	530	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	531	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	532	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	533	}
405		534
406	static void min_parallel (int nthreads)	535	static void min_parallel (int nthreads)
407	{	536	{
408	if (wanted < nthreads)	537	if (wanted < nthreads)
…		…
423	fd_set rfd;	552	fd_set rfd;
424		553
425	while (nreqs)	554	while (nreqs)
426	{	555	{
427	int size;	556	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	557	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	558	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	559	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		560
432	if (size)	561	if (size)
433	return;	562	return;
434		563
435	maybe_start_thread ();	564	maybe_start_thread ();
436		565
437	FD_ZERO(&rfd);	566	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	567	FD_SET (respipe [0], &rfd);
439		568
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	569	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	570	}
442	}	571	}
443		572
444	static int poll_cb ()	573	static int poll_cb ()
445	{	574	{
…		…
457	{	586	{
458	for (;;)	587	for (;;)
459	{	588	{
460	maybe_start_thread ();	589	maybe_start_thread ();
461		590
462	LOCK (reslock);	591	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	592	req = reqq_shift (&res_queue);
464		593
465	if (req)	594	if (req)
466	{	595	{
467	--npending;	596	--npending;
468		597
469	if (!res_queue.size)	598	if (!res_queue.size)
470	{	599	{
471	/* read any signals sent by the worker threads */	600	/* read any signals sent by the worker threads */
472	char buf [4];	601	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	602	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	603	;
475	}	604	}
476	}	605	}
477		606
478	UNLOCK (reslock);	607	X_UNLOCK (reslock);
479		608
480	if (!req)	609	if (!req)
481	break;	610	break;
482		611
483	--nreqs;	612	--nreqs;
…		…
513	}	642	}
514		643
515	return count;	644	return count;
516	}	645	}
517		646
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	/*****************************************************************************/	647	/*****************************************************************************/
531		648
532	static void *aio_proc (void *thr_arg)	649	X_THREAD_PROC (bdb_proc)
533	{	650	{
534	aio_req req;	651	aio_req req;
535	struct timespec ts;	652	struct timespec ts;
536	worker *self = (worker *)thr_arg;	653	worker *self = (worker *)thr_arg;
537		654
538	/* try to distribute timeouts somewhat evenly */	655	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	656	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		657
542	for (;;)	658	for (;;)
543	{	659	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	660	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		661
546	LOCK (reqlock);	662	X_LOCK (reqlock);
547		663
548	for (;;)	664	for (;;)
549	{	665	{
550	self->req = req = reqq_shift (&req_queue);	666	self->req = req = reqq_shift (&req_queue);
551		667
552	if (req)	668	if (req)
553	break;	669	break;
554		670
555	++idle;	671	++idle;
556		672
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	673	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	674	== ETIMEDOUT)
559	{	675	{
560	if (idle > max_idle)	676	if (idle > max_idle)
561	{	677	{
562	--idle;	678	--idle;
563	UNLOCK (reqlock);	679	X_UNLOCK (reqlock);
564	LOCK (wrklock);	680	X_LOCK (wrklock);
565	--started;	681	--started;
566	UNLOCK (wrklock);	682	X_UNLOCK (wrklock);
567	goto quit;	683	goto quit;
568	}	684	}
569		685
570	/* we are allowed to idle, so do so without any timeout */	686	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	687	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	688	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	689	}
574		690
575	--idle;	691	--idle;
576	}	692	}
577		693
578	--nready;	694	--nready;
579		695
580	UNLOCK (reqlock);	696	X_UNLOCK (reqlock);
581		697
582	switch (req->type)	698	switch (req->type)
583	{	699	{
584	case REQ_QUIT:	700	case REQ_QUIT:
		701	req->result = ENOSYS;
585	goto quit;	702	goto quit;
586		703
587	case REQ_ENV_OPEN:	704	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	705	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	706	break;
590		707
591	case REQ_ENV_CLOSE:	708	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	709	req->result = req->env->close (req->env, req->uint1);
593	break;	710	break;
594		711
		712	case REQ_ENV_TXN_CHECKPOINT:
		713	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		714	break;
		715
		716	case REQ_ENV_LOCK_DETECT:
		717	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		718	break;
		719
		720	case REQ_ENV_MEMP_SYNC:
		721	req->result = req->env->memp_sync (req->env, 0);
		722	break;
		723
		724	case REQ_ENV_MEMP_TRICKLE:
		725	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		726	break;
		727
595	case REQ_DB_OPEN:	728	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	729	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	730	break;
598		731
599	case REQ_DB_CLOSE:	732	case REQ_DB_CLOSE:
…		…
610		743
611	case REQ_DB_PUT:	744	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	745	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	746	break;
614		747
		748	case REQ_DB_GET:
		749	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		750	break;
		751
		752	case REQ_DB_PGET:
		753	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		754	break;
		755
		756	case REQ_DB_DEL:
		757	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		758	break;
		759
		760	case REQ_DB_KEY_RANGE:
		761	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		762	break;
		763
		764	case REQ_TXN_COMMIT:
		765	req->result = req->txn->commit (req->txn, req->uint1);
		766	break;
		767
		768	case REQ_TXN_ABORT:
		769	req->result = req->txn->abort (req->txn);
		770	break;
		771
		772	case REQ_TXN_FINISH:
		773	if (req->txn->flags & TXN_DEADLOCK)
		774	{
		775	req->result = req->txn->abort (req->txn);
		776	if (!req->result)
		777	req->result = DB_LOCK_DEADLOCK;
		778	}
		779	else
		780	req->result = req->txn->commit (req->txn, req->uint1);
		781	break;
		782
		783	case REQ_C_CLOSE:
		784	req->result = req->dbc->c_close (req->dbc);
		785	break;
		786
		787	case REQ_C_COUNT:
		788	{
		789	db_recno_t recno;
		790	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		791	req->uv1 = recno;
		792	}
		793	break;
		794
		795	case REQ_C_PUT:
		796	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		797	break;
		798
		799	case REQ_C_GET:
		800	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		801	break;
		802
		803	case REQ_C_PGET:
		804	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		805	break;
		806
		807	case REQ_C_DEL:
		808	req->result = req->dbc->c_del (req->dbc, req->uint1);
		809	break;
		810
		811	case REQ_SEQ_OPEN:
		812	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		813	break;
		814
		815	case REQ_SEQ_CLOSE:
		816	req->result = req->seq->close (req->seq, req->uint1);
		817	break;
		818
		819	case REQ_SEQ_GET:
		820	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		821	break;
		822
		823	case REQ_SEQ_REMOVE:
		824	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		825	break;
		826
615	default:	827	default:
616	req->result = ENOSYS;	828	req->result = ENOSYS;
617	break;	829	break;
618	}	830	}
619		831
		832	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		833	req->txn->flags |= TXN_DEADLOCK;
		834
620	LOCK (reslock);	835	X_LOCK (reslock);
621		836
622	++npending;	837	++npending;
623		838
624	if (!reqq_push (&res_queue, req))	839	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	840	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	841	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		842
628	self->req = 0;	843	self->req = 0;
629	worker_clear (self);	844	worker_clear (self);
630		845
631	UNLOCK (reslock);	846	X_UNLOCK (reslock);
632	}	847	}
633		848
634	quit:	849	quit:
635	LOCK (wrklock);	850	X_LOCK (wrklock);
636	worker_free (self);	851	worker_free (self);
637	UNLOCK (wrklock);	852	X_UNLOCK (wrklock);
638		853
639	return 0;	854	return 0;
640	}	855	}
641		856
642	/*****************************************************************************/	857	/*****************************************************************************/
643		858
644	static void atfork_prepare (void)	859	static void atfork_prepare (void)
645	{	860	{
646	LOCK (wrklock);	861	X_LOCK (wrklock);
647	LOCK (reqlock);	862	X_LOCK (reqlock);
648	LOCK (reslock);	863	X_LOCK (reslock);
649	}	864	}
650		865
651	static void atfork_parent (void)	866	static void atfork_parent (void)
652	{	867	{
653	UNLOCK (reslock);	868	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	869	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	870	X_UNLOCK (wrklock);
656	}	871	}
657		872
658	static void atfork_child (void)	873	static void atfork_child (void)
659	{	874	{
660	aio_req prv;	875	aio_req prv;
…		…
680	idle = 0;	895	idle = 0;
681	nreqs = 0;	896	nreqs = 0;
682	nready = 0;	897	nready = 0;
683	npending = 0;	898	npending = 0;
684		899
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	900	create_respipe ();
688		901
689	atfork_parent ();	902	atfork_parent ();
690	}	903	}
691		904
692	#define dREQ(reqtype) \	905	#define dREQ(reqtype) \
…		…
706	req->pri = req_pri	919	req->pri = req_pri
707		920
708	#define REQ_SEND \	921	#define REQ_SEND \
709	req_send (req)	922	req_send (req)
710		923
711	#define SvPTR(var, arg, type, class) \	924	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	925	if (!SvOK (arg)) \
		926	{ \
		927	if (!nullok) \
		928	croak (# var " must be a " # class " object, not undef"); \
		929	\
713	(var) = 0; \	930	(var) = 0; \
		931	} \
714	else if (sv_derived_from ((arg), # class)) \	932	else if (sv_derived_from ((arg), # class)) \
715	{ \	933	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	934	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	935	(var) = INT2PTR (type, tmp); \
		936	if (!var) \
		937	croak (# var " is not a valid " # class " object anymore"); \
718	} \	938	} \
719	else \	939	else \
720	Perl_croak (# var " is not of type " # class)	940	croak (# var " is not of type " # class); \
		941	\
721		942
722	inline void	943	static void
723	set_dbt (DBT *dbt, SV *sv)	944	ptr_nuke (SV *sv)
724	{	945	{
725	STRLEN len;	946	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	947	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	948	}
732		949
733	MODULE = BDB PACKAGE = BDB	950	MODULE = BDB PACKAGE = BDB
734		951
735	PROTOTYPES: ENABLE	952	PROTOTYPES: ENABLE
736		953
737	BOOT:	954	BOOT:
…		…
752	const_iv (INIT_TXN)	969	const_iv (INIT_TXN)
753	const_iv (RECOVER)	970	const_iv (RECOVER)
754	const_iv (INIT_TXN)	971	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	972	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	973	const_iv (CREATE)
		974	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	975	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	976	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	977	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	978	const_iv (PRIVATE)
761	const_iv (REGISTER)	979	const_iv (REGISTER)
…		…
767	const_iv (DSYNC_DB)	985	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	986	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	987	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	988	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	989	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	990	const_iv (NOMMAP)
774	const_iv (NOPANIC)	991	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	992	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	993	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	994	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	995	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	996	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	997	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	998	const_iv (TXN_WRITE_NOSYNC)
		999	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1000	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1001	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1002	const_iv (XA_CREATE)
785	const_iv (BTREE)	1003	const_iv (BTREE)
786	const_iv (HASH)	1004	const_iv (HASH)
787	const_iv (QUEUE)	1005	const_iv (QUEUE)
788	const_iv (RECNO)	1006	const_iv (RECNO)
789	const_iv (UNKNOWN)	1007	const_iv (UNKNOWN)
790	const_iv (EXCL)	1008	const_iv (EXCL)
		1009	const_iv (READ_COMMITTED)
791	const_iv (READ_UNCOMMITTED)	1010	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	1011	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	1012	const_iv (NOSYNC)
794	const_iv (CHKSUM)	1013	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	1014	const_iv (ENCRYPT)
796	const_iv (TXN_NOT_DURABLE)
797	const_iv (DUP)	1015	const_iv (DUP)
798	const_iv (DUPSORT)	1016	const_iv (DUPSORT)
799	const_iv (RECNUM)	1017	const_iv (RECNUM)
800	const_iv (RENUMBER)	1018	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	1019	const_iv (REVSPLITOFF)
802	const_iv (INORDER)	1020	const_iv (INORDER)
803	const_iv (CONSUME)	1021	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	1022	const_iv (CONSUME_WAIT)
		1023	const_iv (GET_BOTH)
		1024	const_iv (GET_BOTH_RANGE)
		1025	//const_iv (SET_RECNO)
		1026	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	1027	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	1028	const_iv (JOIN_ITEM)
807	const_iv (RMW)	1029	const_iv (RMW)
808		1030
809	const_iv (NOTFOUND)	1031	const_iv (NOTFOUND)
…		…
812	const_iv (LOCK_NOTGRANTED)	1034	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	1035	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	1036	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	1037	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	1038	const_iv (REP_LOCKOUT)
		1039	const_iv (SECONDARY_BAD)
817		1040
818	const_iv (FREE_SPACE)	1041	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)	1042	const_iv (FREELIST_ONLY)
820		1043
821	const_iv (APPEND)	1044	const_iv (APPEND)
822	const_iv (NODUPDATA)	1045	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1046	const_iv (NOOVERWRITE)
824		1047
		1048	const_iv (TXN_NOWAIT)
		1049	const_iv (TXN_SYNC)
		1050
825	const_iv (SET_LOCK_TIMEOUT)	1051	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1052	const_iv (SET_TXN_TIMEOUT)
		1053
		1054	const_iv (JOIN_ITEM)
		1055	const_iv (FIRST)
		1056	const_iv (NEXT)
		1057	const_iv (NEXT_DUP)
		1058	const_iv (NEXT_NODUP)
		1059	const_iv (PREV)
		1060	const_iv (PREV_NODUP)
		1061	const_iv (SET)
		1062	const_iv (SET_RANGE)
		1063	const_iv (LAST)
		1064	const_iv (BEFORE)
		1065	const_iv (AFTER)
		1066	const_iv (CURRENT)
		1067	const_iv (KEYFIRST)
		1068	const_iv (KEYLAST)
		1069	const_iv (NODUPDATA)
		1070
		1071	const_iv (FORCE)
		1072
		1073	const_iv (LOCK_DEFAULT)
		1074	const_iv (LOCK_EXPIRE)
		1075	const_iv (LOCK_MAXLOCKS)
		1076	const_iv (LOCK_MAXWRITE)
		1077	const_iv (LOCK_MINLOCKS)
		1078	const_iv (LOCK_MINWRITE)
		1079	const_iv (LOCK_OLDEST)
		1080	const_iv (LOCK_RANDOM)
		1081	const_iv (LOCK_YOUNGEST)
		1082
		1083	const_iv (SEQ_DEC)
		1084	const_iv (SEQ_INC)
		1085	const_iv (SEQ_WRAP)
		1086
		1087	const_iv (BUFFER_SMALL)
		1088	const_iv (DONOTINDEX)
		1089	const_iv (KEYEMPTY )
		1090	const_iv (KEYEXIST )
		1091	const_iv (LOCK_DEADLOCK)
		1092	const_iv (LOCK_NOTGRANTED)
		1093	const_iv (LOG_BUFFER_FULL)
		1094	const_iv (NOSERVER)
		1095	const_iv (NOSERVER_HOME)
		1096	const_iv (NOSERVER_ID)
		1097	const_iv (NOTFOUND)
		1098	const_iv (OLD_VERSION)
		1099	const_iv (PAGE_NOTFOUND)
		1100	const_iv (REP_DUPMASTER)
		1101	const_iv (REP_HANDLE_DEAD)
		1102	const_iv (REP_HOLDELECTION)
		1103	const_iv (REP_IGNORE)
		1104	const_iv (REP_ISPERM)
		1105	const_iv (REP_JOIN_FAILURE)
		1106	const_iv (REP_LOCKOUT)
		1107	const_iv (REP_NEWMASTER)
		1108	const_iv (REP_NEWSITE)
		1109	const_iv (REP_NOTPERM)
		1110	const_iv (REP_UNAVAIL)
		1111	const_iv (RUNRECOVERY)
		1112	const_iv (SECONDARY_BAD)
		1113	const_iv (VERIFY_BAD)
		1114	const_iv (VERSION_MISMATCH)
		1115
		1116	const_iv (VERB_DEADLOCK)
		1117	const_iv (VERB_RECOVERY)
		1118	const_iv (VERB_REGISTER)
		1119	const_iv (VERB_REPLICATION)
		1120	const_iv (VERB_WAITSFOR)
		1121
		1122	const_iv (VERSION_MAJOR)
		1123	const_iv (VERSION_MINOR)
		1124	const_iv (VERSION_PATCH)
		1125	#if DB_VERSION_MINOR >= 5
		1126	const_iv (MULTIVERSION)
		1127	const_iv (TXN_SNAPSHOT)
		1128	#endif
		1129	#if DB_VERSION_MINOR >= 6
		1130	const_iv (PREV_DUP)
		1131	# if 0
		1132	const_iv (PRIORITY_UNCHANGED)
		1133	const_iv (PRIORITY_VERY_LOW)
		1134	const_iv (PRIORITY_LOW)
		1135	const_iv (PRIORITY_DEFAULT)
		1136	const_iv (PRIORITY_HIGH)
		1137	const_iv (PRIORITY_VERY_HIGH)
		1138	# endif
		1139	#endif
827	};	1140	};
828		1141
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1142	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1143	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
831		1144
832	create_pipe ();	1145	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1146	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1147
		1148	create_respipe ();
		1149
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1150	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1151	#ifdef _WIN32
		1152	X_MUTEX_CHECK (wrklock);
		1153	X_MUTEX_CHECK (reslock);
		1154	X_MUTEX_CHECK (reqlock);
		1155
		1156	X_COND_CHECK (reqwait);
		1157	#endif
834	}	1158	}
835		1159
836	void	1160	void
837	max_poll_reqs (int nreqs)	1161	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1162	PROTOTYPE: $
…		…
957		1281
958	int	1282	int
959	nthreads ()	1283	nthreads ()
960	PROTOTYPE:	1284	PROTOTYPE:
961	CODE:	1285	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1286	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1287	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1288	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1289	OUTPUT:
966	RETVAL	1290	RETVAL
967		1291
968	void	1292	void
969	set_sync_prepare (SV *cb)	1293	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1294	PROTOTYPE: &
971	CODE:	1295	CODE:
972	SvREFCNT_dec (prepare_cb);	1296	SvREFCNT_dec (prepare_cb);
973	prepare_cb = newSVsv (cb);	1297	prepare_cb = newSVsv (cb);
		1298
		1299	char *
		1300	strerror (int errorno = errno)
		1301	PROTOTYPE: ;$
		1302	CODE:
		1303	RETVAL = db_strerror (errorno);
		1304	OUTPUT:
		1305	RETVAL
974		1306
975	DB_ENV *	1307	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1308	db_env_create (U32 env_flags = 0)
977	CODE:	1309	CODE:
978	{	1310	{
979	errno = db_env_create (&RETVAL, env_flags);	1311	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1312	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1313	croak ("db_env_create: %s", db_strerror (errno));
		1314
		1315	if (0)
		1316	{
		1317	RETVAL->set_errcall (RETVAL, debug_errcall);
		1318	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1319	}
982	}	1320	}
983	OUTPUT:	1321	OUTPUT:
984	RETVAL	1322	RETVAL
985		1323
986	void	1324	void
987	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1325	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
988	CODE:	1326	CODE:
989	{	1327	{
990	dREQ (REQ_ENV_OPEN);	1328	dREQ (REQ_ENV_OPEN);
		1329
		1330	env->set_thread_count (env, wanted + 2);
		1331
991	req->env = env;	1332	req->env = env;
992	req->uint1 = open_flags | DB_THREAD;	1333	req->uint1 = open_flags | DB_THREAD;
993	req->int1 = mode;	1334	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1335	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1336	REQ_SEND;
…		…
1001	{	1342	{
1002	dREQ (REQ_ENV_CLOSE);	1343	dREQ (REQ_ENV_CLOSE);
1003	req->env = env;	1344	req->env = env;
1004	req->uint1 = flags;	1345	req->uint1 = flags;
1005	REQ_SEND;	1346	REQ_SEND;
		1347	ptr_nuke (ST (0));
1006	}	1348	}
		1349
		1350	void
		1351	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1352	CODE:
		1353	{
		1354	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1355	req->env = env;
		1356	req->uint1 = kbyte;
		1357	req->int1 = min;
		1358	req->uint2 = flags;
		1359	REQ_SEND;
		1360	}
		1361
		1362	void
		1363	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1364	CODE:
		1365	{
		1366	dREQ (REQ_ENV_LOCK_DETECT);
		1367	req->env = env;
		1368	req->uint1 = flags;
		1369	req->uint2 = atype;
		1370	REQ_SEND;
		1371	}
		1372
		1373	void
		1374	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1375	CODE:
		1376	{
		1377	dREQ (REQ_ENV_MEMP_SYNC);
		1378	req->env = env;
		1379	REQ_SEND;
		1380	}
		1381
		1382	void
		1383	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1384	CODE:
		1385	{
		1386	dREQ (REQ_ENV_MEMP_TRICKLE);
		1387	req->env = env;
		1388	req->int1 = percent;
		1389	REQ_SEND;
		1390	}
		1391
1007		1392
1008	DB *	1393	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1394	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1395	CODE:
1011	{	1396	{
1012	errno = db_create (&RETVAL, env, flags);	1397	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1398	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1399	croak ("db_create: %s", db_strerror (errno));
		1400
		1401	if (RETVAL)
		1402	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1403	}
1016	OUTPUT:	1404	OUTPUT:
1017	RETVAL	1405	RETVAL
1018		1406
1019	void	1407	void
1020	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1408	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1021	CODE:	1409	CODE:
1022	{	1410	{
1023	dREQ (REQ_DB_OPEN);	1411	dREQ (REQ_DB_OPEN);
1024	req->db = db;	1412	req->db = db;
1025	req->txn = txnid;	1413	req->txn = txnid;
…		…
1036	CODE:	1424	CODE:
1037	{	1425	{
1038	dREQ (REQ_DB_CLOSE);	1426	dREQ (REQ_DB_CLOSE);
1039	req->db = db;	1427	req->db = db;
1040	req->uint1 = flags;	1428	req->uint1 = flags;
		1429	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1430	REQ_SEND;
		1431	ptr_nuke (ST (0));
1042	}	1432	}
1043		1433
1044	void	1434	void
1045	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)	1435	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)
1046	CODE:	1436	CODE:
1047	{	1437	{
1048	dREQ (REQ_DB_COMPACT);	1438	dREQ (REQ_DB_COMPACT);
1049	req->db = db;	1439	req->db = db;
1050	req->txn = txn;	1440	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1441	sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1442	sv_to_dbt (&req->dbt2, stop);
1053	req->uint1 = flags;	1443	req->uint1 = flags;
1054	REQ_SEND;	1444	REQ_SEND;
1055	}	1445	}
1056		1446
1057	void	1447	void
…		…
1063	req->uint1 = flags;	1453	req->uint1 = flags;
1064	REQ_SEND;	1454	REQ_SEND;
1065	}	1455	}
1066		1456
1067	void	1457	void
		1458	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1459	CODE:
		1460	{
		1461	dREQ (REQ_DB_KEY_RANGE);
		1462	req->db = db;
		1463	req->txn = txn;
		1464	sv_to_dbt (&req->dbt1, key);
		1465	req->uint1 = flags;
		1466	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1467	REQ_SEND;
		1468	}
		1469
		1470	void
1068	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1471	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1069	CODE:	1472	CODE:
1070	{	1473	{
1071	dREQ (REQ_DB_PUT);	1474	dREQ (REQ_DB_PUT);
1072	req->db = db;	1475	req->db = db;
1073	req->txn = 0;	1476	req->txn = txn;
1074	set_dbt (&req->dbt1, key);	1477	sv_to_dbt (&req->dbt1, key);
1075	set_dbt (&req->dbt2, data);	1478	sv_to_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1479	req->uint1 = flags;
1077	REQ_SEND;	1480	REQ_SEND;
1078	}	1481	}
1079		1482
		1483	void
		1484	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1485	CODE:
		1486	{
		1487	dREQ (REQ_DB_GET);
		1488	req->db = db;
		1489	req->txn = txn;
		1490	req->uint1 = flags;
		1491	sv_to_dbt (&req->dbt1, key);
		1492	req->dbt3.flags = DB_DBT_MALLOC;
		1493	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1494	REQ_SEND;
		1495	}
		1496
		1497	void
		1498	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1499	CODE:
		1500	{
		1501	dREQ (REQ_DB_PGET);
		1502	req->db = db;
		1503	req->txn = txn;
		1504	req->uint1 = flags;
		1505	sv_to_dbt (&req->dbt1, key);
		1506	sv_to_dbt (&req->dbt2, pkey);
		1507	req->dbt3.flags = DB_DBT_MALLOC;
		1508	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1509	REQ_SEND;
		1510	}
		1511
		1512	void
		1513	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1514	CODE:
		1515	{
		1516	dREQ (REQ_DB_DEL);
		1517	req->db = db;
		1518	req->txn = txn;
		1519	req->uint1 = flags;
		1520	sv_to_dbt (&req->dbt1, key);
		1521	REQ_SEND;
		1522	}
		1523
		1524	void
		1525	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1526	CODE:
		1527	{
		1528	dREQ (REQ_TXN_COMMIT);
		1529	req->txn = txn;
		1530	req->uint1 = flags;
		1531	REQ_SEND;
		1532	ptr_nuke (ST (0));
		1533	}
		1534
		1535	void
		1536	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1537	CODE:
		1538	{
		1539	dREQ (REQ_TXN_ABORT);
		1540	req->txn = txn;
		1541	REQ_SEND;
		1542	ptr_nuke (ST (0));
		1543	}
		1544
		1545	void
		1546	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1547	CODE:
		1548	{
		1549	dREQ (REQ_TXN_FINISH);
		1550	req->txn = txn;
		1551	req->uint1 = flags;
		1552	REQ_SEND;
		1553	ptr_nuke (ST (0));
		1554	}
		1555
		1556	void
		1557	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1558	CODE:
		1559	{
		1560	dREQ (REQ_C_CLOSE);
		1561	req->dbc = dbc;
		1562	REQ_SEND;
		1563	ptr_nuke (ST (0));
		1564	}
		1565
		1566	void
		1567	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1568	CODE:
		1569	{
		1570	dREQ (REQ_C_COUNT);
		1571	req->dbc = dbc;
		1572	req->sv1 = SvREFCNT_inc (count);
		1573	REQ_SEND;
		1574	}
		1575
		1576	void
		1577	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1578	CODE:
		1579	{
		1580	dREQ (REQ_C_PUT);
		1581	req->dbc = dbc;
		1582	sv_to_dbt (&req->dbt1, key);
		1583	sv_to_dbt (&req->dbt2, data);
		1584	req->uint1 = flags;
		1585	REQ_SEND;
		1586	}
		1587
		1588	void
		1589	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1590	CODE:
		1591	{
		1592	dREQ (REQ_C_GET);
		1593	req->dbc = dbc;
		1594	req->uint1 = flags;
		1595	if ((flags & DB_SET) == DB_SET
		1596	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1597	sv_to_dbt (&req->dbt1, key);
		1598	else
		1599	req->dbt1.flags = DB_DBT_MALLOC;
		1600
		1601	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1602
		1603	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1604	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1605	sv_to_dbt (&req->dbt3, data);
		1606	else
		1607	req->dbt3.flags = DB_DBT_MALLOC;
		1608
		1609	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1610	REQ_SEND;
		1611	}
		1612
		1613	void
		1614	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1615	CODE:
		1616	{
		1617	dREQ (REQ_C_PGET);
		1618	req->dbc = dbc;
		1619	req->uint1 = flags;
		1620	if ((flags & DB_SET) == DB_SET
		1621	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1622	sv_to_dbt (&req->dbt1, key);
		1623	else
		1624	req->dbt1.flags = DB_DBT_MALLOC;
		1625
		1626	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1627
		1628	req->dbt2.flags = DB_DBT_MALLOC;
		1629	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1630
		1631	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1632	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1633	sv_to_dbt (&req->dbt3, data);
		1634	else
		1635	req->dbt3.flags = DB_DBT_MALLOC;
		1636
		1637	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1638	REQ_SEND;
		1639	}
		1640
		1641	void
		1642	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1643	CODE:
		1644	{
		1645	dREQ (REQ_C_DEL);
		1646	req->dbc = dbc;
		1647	req->uint1 = flags;
		1648	REQ_SEND;
		1649	}
		1650
		1651
		1652	void
		1653	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1654	CODE:
		1655	{
		1656	dREQ (REQ_SEQ_OPEN);
		1657	req->seq = seq;
		1658	req->txn = txnid;
		1659	req->uint1 = flags | DB_THREAD;
		1660	sv_to_dbt (&req->dbt1, key);
		1661	REQ_SEND;
		1662	}
		1663
		1664	void
		1665	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1666	CODE:
		1667	{
		1668	dREQ (REQ_SEQ_CLOSE);
		1669	req->seq = seq;
		1670	req->uint1 = flags;
		1671	REQ_SEND;
		1672	ptr_nuke (ST (0));
		1673	}
		1674
		1675	void
		1676	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)
		1677	CODE:
		1678	{
		1679	dREQ (REQ_SEQ_GET);
		1680	req->seq = seq;
		1681	req->txn = txnid;
		1682	req->int1 = delta;
		1683	req->uint1 = flags;
		1684	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1685	REQ_SEND;
		1686	}
		1687
		1688	void
		1689	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1690	CODE:
		1691	{
		1692	dREQ (REQ_SEQ_REMOVE);
		1693	req->seq = seq;
		1694	req->txn = txnid;
		1695	req->uint1 = flags;
		1696	REQ_SEND;
		1697	}
		1698
1080		1699
1081	MODULE = BDB PACKAGE = BDB::Env	1700	MODULE = BDB PACKAGE = BDB::Env
1082		1701
		1702	void
		1703	DESTROY (DB_ENV_ornull *env)
		1704	CODE:
		1705	if (env)
		1706	env->close (env, 0);
		1707
		1708	int set_data_dir (DB_ENV *env, const char *dir)
		1709	CODE:
		1710	RETVAL = env->set_data_dir (env, dir);
		1711	OUTPUT:
		1712	RETVAL
		1713
		1714	int set_tmp_dir (DB_ENV *env, const char *dir)
		1715	CODE:
		1716	RETVAL = env->set_tmp_dir (env, dir);
		1717	OUTPUT:
		1718	RETVAL
		1719
		1720	int set_lg_dir (DB_ENV *env, const char *dir)
		1721	CODE:
		1722	RETVAL = env->set_lg_dir (env, dir);
		1723	OUTPUT:
		1724	RETVAL
		1725
		1726	int set_shm_key (DB_ENV *env, long shm_key)
		1727	CODE:
		1728	RETVAL = env->set_shm_key (env, shm_key);
		1729	OUTPUT:
		1730	RETVAL
		1731
1083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1732	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1084	CODE:	1733	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1734	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	1735	OUTPUT:
1087	RETVAL	1736	RETVAL
…		…
1090	CODE:	1739	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	1740	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	1741	OUTPUT:
1093	RETVAL	1742	RETVAL
1094		1743
		1744	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1745	CODE:
		1746	env->set_errfile (env, errfile);
		1747
		1748	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1749	CODE:
		1750	env->set_msgfile (env, msgfile);
		1751
		1752	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1753	CODE:
		1754	RETVAL = env->set_verbose (env, which, onoff);
		1755	OUTPUT:
		1756	RETVAL
		1757
1095	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1758	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1096	CODE:	1759	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	1760	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	1761	OUTPUT:
1099	RETVAL	1762	RETVAL
1100		1763
1101	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1764	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1102	CODE:	1765	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1766	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	1767	OUTPUT:
1105	RETVAL	1768	RETVAL
1106		1769
		1770	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1771	CODE:
		1772	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1773	OUTPUT:
		1774	RETVAL
		1775
		1776	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1777	CODE:
		1778	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1779	OUTPUT:
		1780	RETVAL
		1781
		1782	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1783	CODE:
		1784	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1785	OUTPUT:
		1786	RETVAL
		1787
		1788	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1789	CODE:
		1790	RETVAL = env->set_lk_detect (env, detect);
		1791	OUTPUT:
		1792	RETVAL
		1793
		1794	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1795	CODE:
		1796	RETVAL = env->set_lk_max_lockers (env, max);
		1797	OUTPUT:
		1798	RETVAL
		1799
		1800	int set_lk_max_locks (DB_ENV *env, U32 max)
		1801	CODE:
		1802	RETVAL = env->set_lk_max_locks (env, max);
		1803	OUTPUT:
		1804	RETVAL
		1805
		1806	int set_lk_max_objects (DB_ENV *env, U32 max)
		1807	CODE:
		1808	RETVAL = env->set_lk_max_objects (env, max);
		1809	OUTPUT:
		1810	RETVAL
		1811
		1812	int set_lg_bsize (DB_ENV *env, U32 max)
		1813	CODE:
		1814	RETVAL = env->set_lg_bsize (env, max);
		1815	OUTPUT:
		1816	RETVAL
		1817
		1818	int set_lg_max (DB_ENV *env, U32 max)
		1819	CODE:
		1820	RETVAL = env->set_lg_max (env, max);
		1821	OUTPUT:
		1822	RETVAL
		1823
		1824	int mutex_set_max (DB_ENV *env, U32 max)
		1825	CODE:
		1826	RETVAL = env->mutex_set_max (env, max);
		1827	OUTPUT:
		1828	RETVAL
		1829
		1830	int mutex_set_increment (DB_ENV *env, U32 increment)
		1831	CODE:
		1832	RETVAL = env->mutex_set_increment (env, increment);
		1833	OUTPUT:
		1834	RETVAL
		1835
		1836	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1837	CODE:
		1838	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1839	OUTPUT:
		1840	RETVAL
		1841
		1842	int mutex_set_align (DB_ENV *env, U32 align)
		1843	CODE:
		1844	RETVAL = env->mutex_set_align (env, align);
		1845	OUTPUT:
		1846	RETVAL
		1847
		1848	DB_TXN *
		1849	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1850	CODE:
		1851	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1852	if (errno)
		1853	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1854	OUTPUT:
		1855	RETVAL
1107		1856
1108	MODULE = BDB PACKAGE = BDB::Db	1857	MODULE = BDB PACKAGE = BDB::Db
1109		1858
		1859	void
		1860	DESTROY (DB_ornull *db)
		1861	CODE:
		1862	if (db)
		1863	{
		1864	SV *env = (SV *)db->app_private;
		1865	db->close (db, 0);
		1866	SvREFCNT_dec (env);
		1867	}
		1868
1110	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1869	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1111	CODE:	1870	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1871	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	1872	OUTPUT:
1114	RETVAL	1873	RETVAL
1115		1874
1116	int set_flags (DB *db, U32 flags);	1875	int set_flags (DB *db, U32 flags)
1117	CODE:	1876	CODE:
1118	RETVAL = db->set_flags (db, flags);	1877	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	1878	OUTPUT:
1120	RETVAL	1879	RETVAL
1121		1880
…		…
1129	CODE:	1888	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	1889	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	1890	OUTPUT:
1132	RETVAL	1891	RETVAL
1133		1892
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	1893	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	1894	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	1895	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	1896	OUTPUT:
1139	RETVAL	1897	RETVAL
1140		1898
1141	int set_re_delim(DB *db, int delim);	1899	int set_re_delim (DB *db, int delim)
1142	CODE:	1900	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	1901	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	1902	OUTPUT:
1145	RETVAL	1903	RETVAL
1146		1904
…		…
1178	CODE:	1936	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	1937	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	1938	OUTPUT:
1181	RETVAL	1939	RETVAL
1182		1940
		1941	DBC *
		1942	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1943	CODE:
		1944	errno = db->cursor (db, txn, &RETVAL, flags);
		1945	if (errno)
		1946	croak ("DB->cursor: %s", db_strerror (errno));
		1947	OUTPUT:
		1948	RETVAL
1183		1949
		1950	DB_SEQUENCE *
		1951	sequence (DB *db, U32 flags = 0)
		1952	CODE:
		1953	{
		1954	errno = db_sequence_create (&RETVAL, db, flags);
		1955	if (errno)
		1956	croak ("db_sequence_create: %s", db_strerror (errno));
		1957	}
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961
		1962	MODULE = BDB PACKAGE = BDB::Txn
		1963
		1964	void
		1965	DESTROY (DB_TXN_ornull *txn)
		1966	CODE:
		1967	if (txn)
		1968	txn->abort (txn);
		1969
		1970	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1971	CODE:
		1972	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1973	OUTPUT:
		1974	RETVAL
		1975
		1976	int failed (DB_TXN *txn)
		1977	CODE:
		1978	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1979	OUTPUT:
		1980	RETVAL
		1981
		1982
		1983	MODULE = BDB PACKAGE = BDB::Cursor
		1984
		1985	void
		1986	DESTROY (DBC_ornull *dbc)
		1987	CODE:
		1988	if (dbc)
		1989	dbc->c_close (dbc);
		1990
		1991	MODULE = BDB PACKAGE = BDB::Sequence
		1992
		1993	void
		1994	DESTROY (DB_SEQUENCE_ornull *seq)
		1995	CODE:
		1996	if (seq)
		1997	seq->close (seq, 0);
		1998
		1999	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2000	CODE:
		2001	RETVAL = seq->initial_value (seq, value);
		2002	OUTPUT:
		2003	RETVAL
		2004
		2005	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2006	CODE:
		2007	RETVAL = seq->set_cachesize (seq, size);
		2008	OUTPUT:
		2009	RETVAL
		2010
		2011	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2012	CODE:
		2013	RETVAL = seq->set_flags (seq, flags);
		2014	OUTPUT:
		2015	RETVAL
		2016
		2017	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2018	CODE:
		2019	RETVAL = seq->set_range (seq, min, max);
		2020	OUTPUT:
		2021	RETVAL
		2022

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