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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 2007 UTC vs.
Revision 1.26 by root, Mon Dec 10 21:19:07 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.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	42	typedef DB DB_ornull;
		43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
49		44
50	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	46	typedef char *octetstring;
52		47
53	static SV *prepare_cb;	48	static SV *prepare_cb;
54		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
55	static inline char *	72	static char *
56	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
57	{	74	{
58	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
59	}	76	}
60		77
61	inline void	78	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	79	sv_to_dbt (DBT *dbt, SV *sv)
63	{	80	{
64	STRLEN len;	81	STRLEN len;
65	char *data = SvPVbyte (sv, len);	82	char *data = SvPVbyte (sv, len);
66		83
67	dbt->data = malloc (len);	84	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	85	memcpy (dbt->data, data, len);
69	dbt->size = len;	86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
70	}	88	}
71		89
72	inline void	90	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	91	dbt_to_sv (SV *sv, DBT *dbt)
74	{	92	{
		93	if (sv)
		94	{
75	SvREADONLY_off (sv);	95	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
77		99
78	free (dbt->data);	100	free (dbt->data);
79	}	101	}
80		102
81	enum {	103	enum {
82	REQ_QUIT,	104	REQ_QUIT,
83	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,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	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,
86	};	112	};
87		113
88	typedef struct aio_cb	114	typedef struct aio_cb
89	{	115	{
90	struct aio_cb *volatile next;	116	struct aio_cb *volatile next;
…		…
92	int type, pri, result;	118	int type, pri, result;
93		119
94	DB_ENV *env;	120	DB_ENV *env;
95	DB *db;	121	DB *db;
96	DB_TXN *txn;	122	DB_TXN *txn;
97	DBC *cursor;	123	DBC *dbc;
		124
		125	UV uv1;
98	int int1, int2;	126	int int1, int2;
99	U32 uint1, uint2;	127	U32 uint1, uint2;
100	char *buf1, *buf2;	128	char *buf1, *buf2;
101	SV *sv1, *sv2;	129	SV *sv1, *sv2, *sv3;
102		130
103	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;
104	} aio_cb;	135	} aio_cb;
105		136
106	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
107		138
108	enum {	139	enum {
…		…
128		159
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		161
131	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
132		163
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	164	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
144		166
145	typedef struct worker {	167	typedef struct worker {
146	/* locked by wrklock */	168	/* locked by wrklock */
147	struct worker *prev, *next;	169	struct worker *prev, *next;
148		170
149	pthread_t tid;	171	thread_t tid;
150		172
151	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
153	void *dbuf;	175	void *dbuf;
154	DIR *dirp;	176	DIR *dirp;
…		…
169	}	191	}
170		192
171	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		197
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
179		201
180	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
181		203
182	static unsigned int get_nready ()	204	static unsigned int get_nready ()
183	{	205	{
184	unsigned int retval;	206	unsigned int retval;
185		207
186	LOCK (reqlock);	208	X_LOCK (reqlock);
187	retval = nready;	209	retval = nready;
188	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
189		211
190	return retval;	212	return retval;
191	}	213	}
192		214
193	static unsigned int get_npending ()	215	static unsigned int get_npending ()
194	{	216	{
195	unsigned int retval;	217	unsigned int retval;
196		218
197	LOCK (reslock);	219	X_LOCK (reslock);
198	retval = npending;	220	retval = npending;
199	UNLOCK (reslock);	221	X_UNLOCK (reslock);
200		222
201	return retval;	223	return retval;
202	}	224	}
203		225
204	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
205	{	227	{
206	unsigned int retval;	228	unsigned int retval;
207		229
208	LOCK (wrklock);	230	X_LOCK (wrklock);
209	retval = started;	231	retval = started;
210	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
211		233
212	return retval;	234	return retval;
213	}	235	}
214		236
215	#else	237	#else
…		…
285	if (SvOK (req->callback))	307	if (SvOK (req->callback))
286	{	308	{
287	ENTER;	309	ENTER;
288	SAVETMPS;	310	SAVETMPS;
289	PUSHMARK (SP);	311	PUSHMARK (SP);
290	EXTEND (SP, 1);
291		312
292	switch (req->type)	313	switch (req->type)
293	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
294	case REQ_DB_GET:	319	case REQ_DB_GET:
295	case REQ_DB_PGET:	320	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);	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));
297	SvREFCNT_dec (req->sv1);	347	SvREFCNT_dec (req->sv1);
298	break;	348	}
		349	break;
299		350
300	case REQ_DB_CLOSE:	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
301	SvREFCNT_dec (req->sv1);	359	SvREFCNT_dec (req->sv1);
302	break;	360	break;
303	}	361	}
304		362
305	errno = req->result;	363	errno = req->result;
…		…
320	free (req->buf1);	378	free (req->buf1);
321	free (req->buf2);	379	free (req->buf2);
322	Safefree (req);	380	Safefree (req);
323	}	381	}
324		382
325	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);
326		431
327	static void start_thread (void)	432	static void start_thread (void)
328	{	433	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	434	worker *wrk = calloc (1, sizeof (worker));
333		435
334	if (!wrk)	436	if (!wrk)
335	croak ("unable to allocate worker thread data");	437	croak ("unable to allocate worker thread data");
336		438
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	439	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	440	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	441	{
350	wrk->prev = &wrk_first;	442	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	443	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	444	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	445	wrk_first.next = wrk;
354	++started;	446	++started;
355	}	447	}
356	else	448	else
357	free (wrk);	449	free (wrk);
358		450
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	451	X_UNLOCK (wrklock);
361	}	452	}
362		453
363	static void maybe_start_thread ()	454	static void maybe_start_thread ()
364	{	455	{
365	if (get_nthreads () >= wanted)	456	if (get_nthreads () >= wanted)
…		…
377	SV *wait_callback = 0;	468	SV *wait_callback = 0;
378		469
379	// synthesize callback if none given	470	// synthesize callback if none given
380	if (!SvOK (req->callback))	471	if (!SvOK (req->callback))
381	{	472	{
		473	int count;
		474
382	dSP;	475	dSP;
383	PUSHMARK (SP);	476	PUSHMARK (SP);
384	PUTBACK;	477	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	478	count = call_sv (prepare_cb, G_ARRAY);
386	SPAGAIN;	479	SPAGAIN;
387		480
388	if (count != 2)	481	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");	482	croak ("prepare callback must return exactly two values\n");
390		483
…		…
393	req->callback = SvREFCNT_inc (POPs);	486	req->callback = SvREFCNT_inc (POPs);
394	}	487	}
395		488
396	++nreqs;	489	++nreqs;
397		490
398	LOCK (reqlock);	491	X_LOCK (reqlock);
399	++nready;	492	++nready;
400	reqq_push (&req_queue, req);	493	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	494	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	495	X_UNLOCK (reqlock);
403		496
404	maybe_start_thread ();	497	maybe_start_thread ();
405		498
406	if (wait_callback)	499	if (wait_callback)
407	{	500	{
…		…
420	Newz (0, req, 1, aio_cb);	513	Newz (0, req, 1, aio_cb);
421		514
422	req->type = REQ_QUIT;	515	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	516	req->pri = PRI_MAX + PRI_BIAS;
424		517
425	LOCK (reqlock);	518	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	519	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	520	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	521	X_UNLOCK (reqlock);
429		522
430	LOCK (wrklock);	523	X_LOCK (wrklock);
431	--started;	524	--started;
432	UNLOCK (wrklock);	525	X_UNLOCK (wrklock);
433	}	526	}
434		527
435	static void set_max_idle (int nthreads)	528	static void set_max_idle (int nthreads)
436	{	529	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	530	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	531	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	532	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	533	}
441		534
442	static void min_parallel (int nthreads)	535	static void min_parallel (int nthreads)
443	{	536	{
444	if (wanted < nthreads)	537	if (wanted < nthreads)
…		…
459	fd_set rfd;	552	fd_set rfd;
460		553
461	while (nreqs)	554	while (nreqs)
462	{	555	{
463	int size;	556	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	557	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	558	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	559	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		560
468	if (size)	561	if (size)
469	return;	562	return;
470		563
471	maybe_start_thread ();	564	maybe_start_thread ();
472		565
473	FD_ZERO(&rfd);	566	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	567	FD_SET (respipe [0], &rfd);
475		568
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	569	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	570	}
478	}	571	}
479		572
480	static int poll_cb ()	573	static int poll_cb ()
481	{	574	{
…		…
493	{	586	{
494	for (;;)	587	for (;;)
495	{	588	{
496	maybe_start_thread ();	589	maybe_start_thread ();
497		590
498	LOCK (reslock);	591	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	592	req = reqq_shift (&res_queue);
500		593
501	if (req)	594	if (req)
502	{	595	{
503	--npending;	596	--npending;
504		597
505	if (!res_queue.size)	598	if (!res_queue.size)
506	{	599	{
507	/* read any signals sent by the worker threads */	600	/* read any signals sent by the worker threads */
508	char buf [4];	601	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	602	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	603	;
511	}	604	}
512	}	605	}
513		606
514	UNLOCK (reslock);	607	X_UNLOCK (reslock);
515		608
516	if (!req)	609	if (!req)
517	break;	610	break;
518		611
519	--nreqs;	612	--nreqs;
…		…
549	}	642	}
550		643
551	return count;	644	return count;
552	}	645	}
553		646
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	647	/*****************************************************************************/
567		648
568	static void *aio_proc (void *thr_arg)	649	X_THREAD_PROC (bdb_proc)
569	{	650	{
570	aio_req req;	651	aio_req req;
571	struct timespec ts;	652	struct timespec ts;
572	worker *self = (worker *)thr_arg;	653	worker *self = (worker *)thr_arg;
573		654
574	/* try to distribute timeouts somewhat evenly */	655	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	656	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		657
578	for (;;)	658	for (;;)
579	{	659	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	660	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		661
582	LOCK (reqlock);	662	X_LOCK (reqlock);
583		663
584	for (;;)	664	for (;;)
585	{	665	{
586	self->req = req = reqq_shift (&req_queue);	666	self->req = req = reqq_shift (&req_queue);
587		667
588	if (req)	668	if (req)
589	break;	669	break;
590		670
591	++idle;	671	++idle;
592		672
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	673	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	674	== ETIMEDOUT)
595	{	675	{
596	if (idle > max_idle)	676	if (idle > max_idle)
597	{	677	{
598	--idle;	678	--idle;
599	UNLOCK (reqlock);	679	X_UNLOCK (reqlock);
600	LOCK (wrklock);	680	X_LOCK (wrklock);
601	--started;	681	--started;
602	UNLOCK (wrklock);	682	X_UNLOCK (wrklock);
603	goto quit;	683	goto quit;
604	}	684	}
605		685
606	/* we are allowed to idle, so do so without any timeout */	686	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	687	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	688	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	689	}
610		690
611	--idle;	691	--idle;
612	}	692	}
613		693
614	--nready;	694	--nready;
615		695
616	UNLOCK (reqlock);	696	X_UNLOCK (reqlock);
617		697
618	switch (req->type)	698	switch (req->type)
619	{	699	{
620	case REQ_QUIT:	700	case REQ_QUIT:
		701	req->result = ENOSYS;
621	goto quit;	702	goto quit;
622		703
623	case REQ_ENV_OPEN:	704	case REQ_ENV_OPEN:
624	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);
625	break;	706	break;
626		707
627	case REQ_ENV_CLOSE:	708	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);	709	req->result = req->env->close (req->env, req->uint1);
629	break;	710	break;
630		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
631	case REQ_DB_OPEN:	728	case REQ_DB_OPEN:
632	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);
633	break;	730	break;
634		731
635	case REQ_DB_CLOSE:	732	case REQ_DB_CLOSE:
…		…
642		739
643	case REQ_DB_SYNC:	740	case REQ_DB_SYNC:
644	req->result = req->db->sync (req->db, req->uint1);	741	req->result = req->db->sync (req->db, req->uint1);
645	break;	742	break;
646		743
		744	case REQ_DB_UPGRADE:
		745	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		746	break;
		747
647	case REQ_DB_PUT:	748	case REQ_DB_PUT:
648	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	749	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
649	break;	750	break;
650		751
651	case REQ_DB_GET:	752	case REQ_DB_GET:
…		…
654		755
655	case REQ_DB_PGET:	756	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	757	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;	758	break;
658		759
		760	case REQ_DB_DEL:
		761	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		762	break;
		763
		764	case REQ_DB_KEY_RANGE:
		765	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		766	break;
		767
659	case REQ_TXN_COMMIT:	768	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);	769	req->result = req->txn->commit (req->txn, req->uint1);
661	break;	770	break;
662		771
663	case REQ_TXN_ABORT:	772	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);	773	req->result = req->txn->abort (req->txn);
665	break;	774	break;
666		775
		776	case REQ_TXN_FINISH:
		777	if (req->txn->flags & TXN_DEADLOCK)
		778	{
		779	req->result = req->txn->abort (req->txn);
		780	if (!req->result)
		781	req->result = DB_LOCK_DEADLOCK;
		782	}
		783	else
		784	req->result = req->txn->commit (req->txn, req->uint1);
		785	break;
		786
		787	case REQ_C_CLOSE:
		788	req->result = req->dbc->c_close (req->dbc);
		789	break;
		790
		791	case REQ_C_COUNT:
		792	{
		793	db_recno_t recno;
		794	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		795	req->uv1 = recno;
		796	}
		797	break;
		798
		799	case REQ_C_PUT:
		800	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		801	break;
		802
		803	case REQ_C_GET:
		804	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		805	break;
		806
		807	case REQ_C_PGET:
		808	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		809	break;
		810
		811	case REQ_C_DEL:
		812	req->result = req->dbc->c_del (req->dbc, req->uint1);
		813	break;
		814
		815	case REQ_SEQ_OPEN:
		816	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		817	break;
		818
		819	case REQ_SEQ_CLOSE:
		820	req->result = req->seq->close (req->seq, req->uint1);
		821	break;
		822
		823	case REQ_SEQ_GET:
		824	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		825	break;
		826
		827	case REQ_SEQ_REMOVE:
		828	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		829	break;
		830
667	default:	831	default:
668	req->result = ENOSYS;	832	req->result = ENOSYS;
669	break;	833	break;
670	}	834	}
671		835
		836	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		837	req->txn->flags |= TXN_DEADLOCK;
		838
672	LOCK (reslock);	839	X_LOCK (reslock);
673		840
674	++npending;	841	++npending;
675		842
676	if (!reqq_push (&res_queue, req))	843	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	844	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	845	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		846
680	self->req = 0;	847	self->req = 0;
681	worker_clear (self);	848	worker_clear (self);
682		849
683	UNLOCK (reslock);	850	X_UNLOCK (reslock);
684	}	851	}
685		852
686	quit:	853	quit:
687	LOCK (wrklock);	854	X_LOCK (wrklock);
688	worker_free (self);	855	worker_free (self);
689	UNLOCK (wrklock);	856	X_UNLOCK (wrklock);
690		857
691	return 0;	858	return 0;
692	}	859	}
693		860
694	/*****************************************************************************/	861	/*****************************************************************************/
695		862
696	static void atfork_prepare (void)	863	static void atfork_prepare (void)
697	{	864	{
698	LOCK (wrklock);	865	X_LOCK (wrklock);
699	LOCK (reqlock);	866	X_LOCK (reqlock);
700	LOCK (reslock);	867	X_LOCK (reslock);
701	}	868	}
702		869
703	static void atfork_parent (void)	870	static void atfork_parent (void)
704	{	871	{
705	UNLOCK (reslock);	872	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	873	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	874	X_UNLOCK (wrklock);
708	}	875	}
709		876
710	static void atfork_child (void)	877	static void atfork_child (void)
711	{	878	{
712	aio_req prv;	879	aio_req prv;
…		…
732	idle = 0;	899	idle = 0;
733	nreqs = 0;	900	nreqs = 0;
734	nready = 0;	901	nready = 0;
735	npending = 0;	902	npending = 0;
736		903
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	904	create_respipe ();
740		905
741	atfork_parent ();	906	atfork_parent ();
742	}	907	}
743		908
744	#define dREQ(reqtype) \	909	#define dREQ(reqtype) \
…		…
762		927
763	#define SvPTR(var, arg, type, class, nullok) \	928	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	929	if (!SvOK (arg)) \
765	{ \	930	{ \
766	if (!nullok) \	931	if (!nullok) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	932	croak (# var " must be a " # class " object, not undef"); \
768	\	933	\
769	(var) = 0; \	934	(var) = 0; \
770	} \	935	} \
771	else if (sv_derived_from ((arg), # class)) \	936	else if (sv_derived_from ((arg), # class)) \
772	{ \	937	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	938	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	939	(var) = INT2PTR (type, tmp); \
775	if (!var) \	940	if (!var) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	941	croak (# var " is not a valid " # class " object anymore"); \
777	} \	942	} \
778	else \	943	else \
779	Perl_croak (# var " is not of type " # class); \	944	croak (# var " is not of type " # class); \
780	\	945	\
781		946
782	static void	947	static void
783	ptr_nuke (SV *sv)	948	ptr_nuke (SV *sv)
784	{	949	{
…		…
808	const_iv (INIT_TXN)	973	const_iv (INIT_TXN)
809	const_iv (RECOVER)	974	const_iv (RECOVER)
810	const_iv (INIT_TXN)	975	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	976	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	977	const_iv (CREATE)
		978	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	979	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	980	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	981	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	982	const_iv (PRIVATE)
817	const_iv (REGISTER)	983	const_iv (REGISTER)
…		…
823	const_iv (DSYNC_DB)	989	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)	990	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)	991	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)	992	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	993	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	994	const_iv (NOMMAP)
830	const_iv (NOPANIC)	995	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	996	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	997	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	998	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	999	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1000	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1001	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1002	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1003	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1004	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1005	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1006	const_iv (XA_CREATE)
…		…
849	const_iv (READ_UNCOMMITTED)	1014	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1015	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1016	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1017	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1018	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1019	const_iv (DUP)
856	const_iv (DUPSORT)	1020	const_iv (DUPSORT)
857	const_iv (RECNUM)	1021	const_iv (RECNUM)
858	const_iv (RENUMBER)	1022	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1023	const_iv (REVSPLITOFF)
860	const_iv (INORDER)	1024	const_iv (INORDER)
861	const_iv (CONSUME)	1025	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1026	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1027	const_iv (GET_BOTH)
		1028	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1029	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1030	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1031	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1032	const_iv (JOIN_ITEM)
868	const_iv (RMW)	1033	const_iv (RMW)
…		…
873	const_iv (LOCK_NOTGRANTED)	1038	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1039	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1040	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1041	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1042	const_iv (REP_LOCKOUT)
		1043	const_iv (SECONDARY_BAD)
878		1044
879	const_iv (FREE_SPACE)	1045	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)	1046	const_iv (FREELIST_ONLY)
881		1047
882	const_iv (APPEND)	1048	const_iv (APPEND)
883	const_iv (NODUPDATA)	1049	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1050	const_iv (NOOVERWRITE)
885		1051
886	const_iv (TXN_NOWAIT)	1052	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1053	const_iv (TXN_SYNC)
889		1054
890	const_iv (SET_LOCK_TIMEOUT)	1055	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1056	const_iv (SET_TXN_TIMEOUT)
		1057
		1058	const_iv (JOIN_ITEM)
		1059	const_iv (FIRST)
		1060	const_iv (NEXT)
		1061	const_iv (NEXT_DUP)
		1062	const_iv (NEXT_NODUP)
		1063	const_iv (PREV)
		1064	const_iv (PREV_NODUP)
		1065	const_iv (SET)
		1066	const_iv (SET_RANGE)
		1067	const_iv (LAST)
		1068	const_iv (BEFORE)
		1069	const_iv (AFTER)
		1070	const_iv (CURRENT)
		1071	const_iv (KEYFIRST)
		1072	const_iv (KEYLAST)
		1073	const_iv (NODUPDATA)
		1074
		1075	const_iv (FORCE)
		1076
		1077	const_iv (LOCK_DEFAULT)
		1078	const_iv (LOCK_EXPIRE)
		1079	const_iv (LOCK_MAXLOCKS)
		1080	const_iv (LOCK_MAXWRITE)
		1081	const_iv (LOCK_MINLOCKS)
		1082	const_iv (LOCK_MINWRITE)
		1083	const_iv (LOCK_OLDEST)
		1084	const_iv (LOCK_RANDOM)
		1085	const_iv (LOCK_YOUNGEST)
		1086
		1087	const_iv (SEQ_DEC)
		1088	const_iv (SEQ_INC)
		1089	const_iv (SEQ_WRAP)
		1090
		1091	const_iv (BUFFER_SMALL)
		1092	const_iv (DONOTINDEX)
		1093	const_iv (KEYEMPTY )
		1094	const_iv (KEYEXIST )
		1095	const_iv (LOCK_DEADLOCK)
		1096	const_iv (LOCK_NOTGRANTED)
		1097	const_iv (LOG_BUFFER_FULL)
		1098	const_iv (NOSERVER)
		1099	const_iv (NOSERVER_HOME)
		1100	const_iv (NOSERVER_ID)
		1101	const_iv (NOTFOUND)
		1102	const_iv (PAGE_NOTFOUND)
		1103	const_iv (REP_DUPMASTER)
		1104	const_iv (REP_HANDLE_DEAD)
		1105	const_iv (REP_HOLDELECTION)
		1106	const_iv (REP_IGNORE)
		1107	const_iv (REP_ISPERM)
		1108	const_iv (REP_JOIN_FAILURE)
		1109	const_iv (REP_LOCKOUT)
		1110	const_iv (REP_NEWMASTER)
		1111	const_iv (REP_NEWSITE)
		1112	const_iv (REP_NOTPERM)
		1113	const_iv (REP_UNAVAIL)
		1114	const_iv (RUNRECOVERY)
		1115	const_iv (SECONDARY_BAD)
		1116	const_iv (VERIFY_BAD)
		1117	const_iv (VERSION_MISMATCH)
		1118
		1119	const_iv (VERB_DEADLOCK)
		1120	const_iv (VERB_RECOVERY)
		1121	const_iv (VERB_REGISTER)
		1122	const_iv (VERB_REPLICATION)
		1123	const_iv (VERB_WAITSFOR)
		1124
		1125	const_iv (VERSION_MAJOR)
		1126	const_iv (VERSION_MINOR)
		1127	const_iv (VERSION_PATCH)
		1128	#if DB_VERSION_MINOR >= 5
		1129	const_iv (MULTIVERSION)
		1130	const_iv (TXN_SNAPSHOT)
		1131	#endif
		1132	#if DB_VERSION_MINOR >= 6
		1133	const_iv (PREV_DUP)
		1134	# if 0
		1135	const_iv (PRIORITY_UNCHANGED)
		1136	const_iv (PRIORITY_VERY_LOW)
		1137	const_iv (PRIORITY_LOW)
		1138	const_iv (PRIORITY_DEFAULT)
		1139	const_iv (PRIORITY_HIGH)
		1140	const_iv (PRIORITY_VERY_HIGH)
		1141	# endif
		1142	#endif
892	};	1143	};
893		1144
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1145	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1146	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1147
897	create_pipe ();	1148	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1149	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1150
		1151	create_respipe ();
		1152
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1153	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1154	#ifdef _WIN32
		1155	X_MUTEX_CHECK (wrklock);
		1156	X_MUTEX_CHECK (reslock);
		1157	X_MUTEX_CHECK (reqlock);
		1158
		1159	X_COND_CHECK (reqwait);
		1160	#endif
899	}	1161	}
900		1162
901	void	1163	void
902	max_poll_reqs (int nreqs)	1164	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1165	PROTOTYPE: $
…		…
1022		1284
1023	int	1285	int
1024	nthreads ()	1286	nthreads ()
1025	PROTOTYPE:	1287	PROTOTYPE:
1026	CODE:	1288	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1289	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1290	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1291	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1292	OUTPUT:
1031	RETVAL	1293	RETVAL
1032		1294
1033	void	1295	void
1034	set_sync_prepare (SV *cb)	1296	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1297	PROTOTYPE: &
1036	CODE:	1298	CODE:
1037	SvREFCNT_dec (prepare_cb);	1299	SvREFCNT_dec (prepare_cb);
1038	prepare_cb = newSVsv (cb);	1300	prepare_cb = newSVsv (cb);
		1301
		1302	char *
		1303	strerror (int errorno = errno)
		1304	PROTOTYPE: ;$
		1305	CODE:
		1306	RETVAL = db_strerror (errorno);
		1307	OUTPUT:
		1308	RETVAL
1039		1309
1040	DB_ENV *	1310	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1311	db_env_create (U32 env_flags = 0)
1042	CODE:	1312	CODE:
1043	{	1313	{
1044	errno = db_env_create (&RETVAL, env_flags);	1314	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1315	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1316	croak ("db_env_create: %s", db_strerror (errno));
		1317
		1318	if (0)
		1319	{
		1320	RETVAL->set_errcall (RETVAL, debug_errcall);
		1321	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1322	}
1047	}	1323	}
1048	OUTPUT:	1324	OUTPUT:
1049	RETVAL	1325	RETVAL
1050		1326
1051	void	1327	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1328	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1053	CODE:	1329	CODE:
1054	{	1330	{
1055	dREQ (REQ_ENV_OPEN);	1331	dREQ (REQ_ENV_OPEN);
		1332
		1333	env->set_thread_count (env, wanted + 2);
		1334
1056	req->env = env;	1335	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1336	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1337	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1338	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1339	REQ_SEND;
…		…
1069	req->uint1 = flags;	1348	req->uint1 = flags;
1070	REQ_SEND;	1349	REQ_SEND;
1071	ptr_nuke (ST (0));	1350	ptr_nuke (ST (0));
1072	}	1351	}
1073		1352
		1353	void
		1354	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1355	CODE:
		1356	{
		1357	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1358	req->env = env;
		1359	req->uint1 = kbyte;
		1360	req->int1 = min;
		1361	req->uint2 = flags;
		1362	REQ_SEND;
		1363	}
		1364
		1365	void
		1366	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1367	CODE:
		1368	{
		1369	dREQ (REQ_ENV_LOCK_DETECT);
		1370	req->env = env;
		1371	req->uint1 = flags;
		1372	req->uint2 = atype;
		1373	REQ_SEND;
		1374	}
		1375
		1376	void
		1377	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1378	CODE:
		1379	{
		1380	dREQ (REQ_ENV_MEMP_SYNC);
		1381	req->env = env;
		1382	REQ_SEND;
		1383	}
		1384
		1385	void
		1386	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1387	CODE:
		1388	{
		1389	dREQ (REQ_ENV_MEMP_TRICKLE);
		1390	req->env = env;
		1391	req->int1 = percent;
		1392	REQ_SEND;
		1393	}
		1394
		1395
1074	DB *	1396	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1397	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1398	CODE:
1077	{	1399	{
1078	errno = db_create (&RETVAL, env, flags);	1400	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1401	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1402	croak ("db_create: %s", db_strerror (errno));
1081		1403
1082	if (RETVAL)	1404	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1405	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1406	}
1085	OUTPUT:	1407	OUTPUT:
…		…
1134	req->uint1 = flags;	1456	req->uint1 = flags;
1135	REQ_SEND;	1457	REQ_SEND;
1136	}	1458	}
1137		1459
1138	void	1460	void
		1461	db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1462	CODE:
		1463	{
		1464	dREQ (REQ_DB_SYNC);
		1465	req->db = db;
		1466	req->buf1 = strdup (file);
		1467	req->uint1 = flags;
		1468	REQ_SEND;
		1469	}
		1470
		1471	void
		1472	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1473	CODE:
		1474	{
		1475	dREQ (REQ_DB_KEY_RANGE);
		1476	req->db = db;
		1477	req->txn = txn;
		1478	sv_to_dbt (&req->dbt1, key);
		1479	req->uint1 = flags;
		1480	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1481	REQ_SEND;
		1482	}
		1483
		1484	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1485	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1140	CODE:	1486	CODE:
1141	{	1487	{
1142	dREQ (REQ_DB_PUT);	1488	dREQ (REQ_DB_PUT);
1143	req->db = db;	1489	req->db = db;
…		…
1153	CODE:	1499	CODE:
1154	{	1500	{
1155	dREQ (REQ_DB_GET);	1501	dREQ (REQ_DB_GET);
1156	req->db = db;	1502	req->db = db;
1157	req->txn = txn;	1503	req->txn = txn;
		1504	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1505	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1506	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1507	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1508	REQ_SEND;
1164	}	1509	}
1165		1510
1166	void	1511	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1512	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1168	CODE:	1513	CODE:
1169	{	1514	{
1170	dREQ (REQ_DB_PGET);	1515	dREQ (REQ_DB_PGET);
1171	req->db = db;	1516	req->db = db;
1172	req->txn = txn;	1517	req->txn = txn;
		1518	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1519	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1520	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1521	req->dbt3.flags = DB_DBT_MALLOC;
		1522	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1523	REQ_SEND;
		1524	}
		1525
		1526	void
		1527	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1528	CODE:
		1529	{
		1530	dREQ (REQ_DB_DEL);
		1531	req->db = db;
		1532	req->txn = txn;
1176	req->uint1 = flags;	1533	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1534	sv_to_dbt (&req->dbt1, key);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1535	REQ_SEND;
1180	}	1536	}
1181		1537
1182	void	1538	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1539	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
…		…
1198	req->txn = txn;	1554	req->txn = txn;
1199	REQ_SEND;	1555	REQ_SEND;
1200	ptr_nuke (ST (0));	1556	ptr_nuke (ST (0));
1201	}	1557	}
1202		1558
		1559	void
		1560	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1561	CODE:
		1562	{
		1563	dREQ (REQ_TXN_FINISH);
		1564	req->txn = txn;
		1565	req->uint1 = flags;
		1566	REQ_SEND;
		1567	ptr_nuke (ST (0));
		1568	}
		1569
		1570	void
		1571	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1572	CODE:
		1573	{
		1574	dREQ (REQ_C_CLOSE);
		1575	req->dbc = dbc;
		1576	REQ_SEND;
		1577	ptr_nuke (ST (0));
		1578	}
		1579
		1580	void
		1581	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1582	CODE:
		1583	{
		1584	dREQ (REQ_C_COUNT);
		1585	req->dbc = dbc;
		1586	req->sv1 = SvREFCNT_inc (count);
		1587	REQ_SEND;
		1588	}
		1589
		1590	void
		1591	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1592	CODE:
		1593	{
		1594	dREQ (REQ_C_PUT);
		1595	req->dbc = dbc;
		1596	sv_to_dbt (&req->dbt1, key);
		1597	sv_to_dbt (&req->dbt2, data);
		1598	req->uint1 = flags;
		1599	REQ_SEND;
		1600	}
		1601
		1602	void
		1603	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1604	CODE:
		1605	{
		1606	dREQ (REQ_C_GET);
		1607	req->dbc = dbc;
		1608	req->uint1 = flags;
		1609	if ((flags & DB_SET) == DB_SET
		1610	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1611	sv_to_dbt (&req->dbt1, key);
		1612	else
		1613	req->dbt1.flags = DB_DBT_MALLOC;
		1614
		1615	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1616
		1617	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1618	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1619	sv_to_dbt (&req->dbt3, data);
		1620	else
		1621	req->dbt3.flags = DB_DBT_MALLOC;
		1622
		1623	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1629	CODE:
		1630	{
		1631	dREQ (REQ_C_PGET);
		1632	req->dbc = dbc;
		1633	req->uint1 = flags;
		1634	if ((flags & DB_SET) == DB_SET
		1635	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1636	sv_to_dbt (&req->dbt1, key);
		1637	else
		1638	req->dbt1.flags = DB_DBT_MALLOC;
		1639
		1640	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1641
		1642	req->dbt2.flags = DB_DBT_MALLOC;
		1643	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1644
		1645	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1646	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1647	sv_to_dbt (&req->dbt3, data);
		1648	else
		1649	req->dbt3.flags = DB_DBT_MALLOC;
		1650
		1651	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1652	REQ_SEND;
		1653	}
		1654
		1655	void
		1656	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1657	CODE:
		1658	{
		1659	dREQ (REQ_C_DEL);
		1660	req->dbc = dbc;
		1661	req->uint1 = flags;
		1662	REQ_SEND;
		1663	}
		1664
		1665
		1666	void
		1667	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1668	CODE:
		1669	{
		1670	dREQ (REQ_SEQ_OPEN);
		1671	req->seq = seq;
		1672	req->txn = txnid;
		1673	req->uint1 = flags | DB_THREAD;
		1674	sv_to_dbt (&req->dbt1, key);
		1675	REQ_SEND;
		1676	}
		1677
		1678	void
		1679	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1680	CODE:
		1681	{
		1682	dREQ (REQ_SEQ_CLOSE);
		1683	req->seq = seq;
		1684	req->uint1 = flags;
		1685	REQ_SEND;
		1686	ptr_nuke (ST (0));
		1687	}
		1688
		1689	void
		1690	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)
		1691	CODE:
		1692	{
		1693	dREQ (REQ_SEQ_GET);
		1694	req->seq = seq;
		1695	req->txn = txnid;
		1696	req->int1 = delta;
		1697	req->uint1 = flags;
		1698	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1699	REQ_SEND;
		1700	}
		1701
		1702	void
		1703	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1704	CODE:
		1705	{
		1706	dREQ (REQ_SEQ_REMOVE);
		1707	req->seq = seq;
		1708	req->txn = txnid;
		1709	req->uint1 = flags;
		1710	REQ_SEND;
		1711	}
		1712
1203		1713
1204	MODULE = BDB PACKAGE = BDB::Env	1714	MODULE = BDB PACKAGE = BDB::Env
1205		1715
1206	void	1716	void
1207	DESTROY (DB_ENV_ornull *env)	1717	DESTROY (DB_ENV_ornull *env)
1208	CODE:	1718	CODE:
1209	if (env)	1719	if (env)
1210	env->close (env, 0);	1720	env->close (env, 0);
1211		1721
		1722	int set_data_dir (DB_ENV *env, const char *dir)
		1723	CODE:
		1724	RETVAL = env->set_data_dir (env, dir);
		1725	OUTPUT:
		1726	RETVAL
		1727
		1728	int set_tmp_dir (DB_ENV *env, const char *dir)
		1729	CODE:
		1730	RETVAL = env->set_tmp_dir (env, dir);
		1731	OUTPUT:
		1732	RETVAL
		1733
		1734	int set_lg_dir (DB_ENV *env, const char *dir)
		1735	CODE:
		1736	RETVAL = env->set_lg_dir (env, dir);
		1737	OUTPUT:
		1738	RETVAL
		1739
		1740	int set_shm_key (DB_ENV *env, long shm_key)
		1741	CODE:
		1742	RETVAL = env->set_shm_key (env, shm_key);
		1743	OUTPUT:
		1744	RETVAL
		1745
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1746	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	1747	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1748	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	1749	OUTPUT:
1216	RETVAL	1750	RETVAL
1217		1751
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	1752	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	1753	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	1754	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	1755	OUTPUT:
1222	RETVAL	1756	RETVAL
1223		1757
		1758	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1759	CODE:
		1760	env->set_errfile (env, errfile);
		1761
		1762	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1763	CODE:
		1764	env->set_msgfile (env, msgfile);
		1765
		1766	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1767	CODE:
		1768	RETVAL = env->set_verbose (env, which, onoff);
		1769	OUTPUT:
		1770	RETVAL
		1771
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1772	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	1773	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	1774	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	1775	OUTPUT:
1228	RETVAL	1776	RETVAL
1229		1777
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1778	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	1779	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1780	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	1781	OUTPUT:
		1782	RETVAL
		1783
		1784	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1785	CODE:
		1786	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1787	OUTPUT:
		1788	RETVAL
		1789
		1790	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1791	CODE:
		1792	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1793	OUTPUT:
		1794	RETVAL
		1795
		1796	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1797	CODE:
		1798	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1799	OUTPUT:
		1800	RETVAL
		1801
		1802	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1803	CODE:
		1804	RETVAL = env->set_lk_detect (env, detect);
		1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1809	CODE:
		1810	RETVAL = env->set_lk_max_lockers (env, max);
		1811	OUTPUT:
		1812	RETVAL
		1813
		1814	int set_lk_max_locks (DB_ENV *env, U32 max)
		1815	CODE:
		1816	RETVAL = env->set_lk_max_locks (env, max);
		1817	OUTPUT:
		1818	RETVAL
		1819
		1820	int set_lk_max_objects (DB_ENV *env, U32 max)
		1821	CODE:
		1822	RETVAL = env->set_lk_max_objects (env, max);
		1823	OUTPUT:
		1824	RETVAL
		1825
		1826	int set_lg_bsize (DB_ENV *env, U32 max)
		1827	CODE:
		1828	RETVAL = env->set_lg_bsize (env, max);
		1829	OUTPUT:
		1830	RETVAL
		1831
		1832	int set_lg_max (DB_ENV *env, U32 max)
		1833	CODE:
		1834	RETVAL = env->set_lg_max (env, max);
		1835	OUTPUT:
		1836	RETVAL
		1837
		1838	int mutex_set_max (DB_ENV *env, U32 max)
		1839	CODE:
		1840	RETVAL = env->mutex_set_max (env, max);
		1841	OUTPUT:
		1842	RETVAL
		1843
		1844	int mutex_set_increment (DB_ENV *env, U32 increment)
		1845	CODE:
		1846	RETVAL = env->mutex_set_increment (env, increment);
		1847	OUTPUT:
		1848	RETVAL
		1849
		1850	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1851	CODE:
		1852	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int mutex_set_align (DB_ENV *env, U32 align)
		1857	CODE:
		1858	RETVAL = env->mutex_set_align (env, align);
		1859	OUTPUT:
1234	RETVAL	1860	RETVAL
1235		1861
1236	DB_TXN *	1862	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1863	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	1864	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	1865	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	1866	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	1867	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	1868	OUTPUT:
1243	RETVAL	1869	RETVAL
1244		1870
1245	MODULE = BDB PACKAGE = BDB::Db	1871	MODULE = BDB PACKAGE = BDB::Db
1246		1872
…		…
1258	CODE:	1884	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1885	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	1886	OUTPUT:
1261	RETVAL	1887	RETVAL
1262		1888
1263	int set_flags (DB *db, U32 flags);	1889	int set_flags (DB *db, U32 flags)
1264	CODE:	1890	CODE:
1265	RETVAL = db->set_flags (db, flags);	1891	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	1892	OUTPUT:
1267	RETVAL	1893	RETVAL
1268		1894
…		…
1276	CODE:	1902	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	1903	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	1904	OUTPUT:
1279	RETVAL	1905	RETVAL
1280		1906
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	1907	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	1908	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	1909	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	1910	OUTPUT:
1286	RETVAL	1911	RETVAL
1287		1912
1288	int set_re_delim(DB *db, int delim);	1913	int set_re_delim (DB *db, int delim)
1289	CODE:	1914	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	1915	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	1916	OUTPUT:
1292	RETVAL	1917	RETVAL
1293		1918
…		…
1324	int set_q_extentsize (DB *db, U32 extentsize)	1949	int set_q_extentsize (DB *db, U32 extentsize)
1325	CODE:	1950	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	1951	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	1952	OUTPUT:
1328	RETVAL	1953	RETVAL
		1954
		1955	DBC *
		1956	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1957	CODE:
		1958	errno = db->cursor (db, txn, &RETVAL, flags);
		1959	if (errno)
		1960	croak ("DB->cursor: %s", db_strerror (errno));
		1961	OUTPUT:
		1962	RETVAL
		1963
		1964	DB_SEQUENCE *
		1965	sequence (DB *db, U32 flags = 0)
		1966	CODE:
		1967	{
		1968	errno = db_sequence_create (&RETVAL, db, flags);
		1969	if (errno)
		1970	croak ("db_sequence_create: %s", db_strerror (errno));
		1971	}
		1972	OUTPUT:
		1973	RETVAL
		1974
1329		1975
1330	MODULE = BDB PACKAGE = BDB::Txn	1976	MODULE = BDB PACKAGE = BDB::Txn
1331		1977
1332	void	1978	void
1333	DESTROY (DB_TXN_ornull *txn)	1979	DESTROY (DB_TXN_ornull *txn)
1334	CODE:	1980	CODE:
1335	if (txn)	1981	if (txn)
1336	txn->abort (txn);	1982	txn->abort (txn);
1337		1983
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	1984	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	1985	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	1986	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	1987	OUTPUT:
1342	RETVAL	1988	RETVAL
1343		1989
		1990	int failed (DB_TXN *txn)
		1991	CODE:
		1992	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1993	OUTPUT:
		1994	RETVAL
1344		1995
		1996
		1997	MODULE = BDB PACKAGE = BDB::Cursor
		1998
		1999	void
		2000	DESTROY (DBC_ornull *dbc)
		2001	CODE:
		2002	if (dbc)
		2003	dbc->c_close (dbc);
		2004
		2005	MODULE = BDB PACKAGE = BDB::Sequence
		2006
		2007	void
		2008	DESTROY (DB_SEQUENCE_ornull *seq)
		2009	CODE:
		2010	if (seq)
		2011	seq->close (seq, 0);
		2012
		2013	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2014	CODE:
		2015	RETVAL = seq->initial_value (seq, value);
		2016	OUTPUT:
		2017	RETVAL
		2018
		2019	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2020	CODE:
		2021	RETVAL = seq->set_cachesize (seq, size);
		2022	OUTPUT:
		2023	RETVAL
		2024
		2025	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2026	CODE:
		2027	RETVAL = seq->set_flags (seq, flags);
		2028	OUTPUT:
		2029	RETVAL
		2030
		2031	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2032	CODE:
		2033	RETVAL = seq->set_range (seq, min, max);
		2034	OUTPUT:
		2035	RETVAL
		2036

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