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Comparing BDB/BDB.xs (file contents):
Revision 1.2 by root, Mon Feb 5 20:21:38 2007 UTC vs.
Revision 1.69 by root, Wed Jul 15 14:40:00 2009 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	#include "schmorp.h"
		12
		13	// perl stupidly defines these as argument-less macros, breaking
		14	// lots and lots of code.
		15	#undef open
		16	#undef close
		17	#undef abort
		18	#undef malloc
		19	#undef free
		20	#undef send
18		21
19	#include <stddef.h>	22	#include <stddef.h>
20	#include <stdlib.h>	23	#include <stdlib.h>
21	#include <errno.h>	24	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	25	#include <sys/types.h>
24	#include <limits.h>	26	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	27	#include <fcntl.h>
27		28
		29	#ifndef _WIN32
		30	# include <sys/time.h>
		31	# include <unistd.h>
		32	#endif
		33
28	#include <db.h>	34	#include <db.h>
		35
		36	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		38	#endif
29		39
30	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
32		42
33	/* wether word reads are potentially non-atomic.	43	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	44
35	* on have atomic word read/writes.	45	typedef DB_ENV DB_ENV_ornull;
36	*/	46	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	47	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	48	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	49
40	# else	50	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	58	#endif
43	#endif
44		59
45	typedef SV SV8; /* byte-sv, used for argument-checking */	60	typedef char *bdb_filename;
46		61
		62	static SV *prepare_cb;
		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
		74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
		117	strdup_ornull (const char *s)
		118	{
		119	return s ? strdup (s) : 0;
		120	}
		121
		122	static void
		123	sv_to_dbt (DBT *dbt, SV *sv)
		124	{
		125	STRLEN len;
		126	char *data = SvPVbyte (sv, len);
		127
		128	dbt->data = malloc (len);
		129	memcpy (dbt->data, data, len);
		130	dbt->size = len;
		131	dbt->flags = DB_DBT_REALLOC;
		132	}
		133
		134	static void
		135	dbt_to_sv (SV *sv, DBT *dbt)
		136	{
		137	if (sv)
		138	{
		139	SvREADONLY_off (sv);
		140
		141	if (dbt->data)
		142	sv_setpvn_mg (sv, dbt->data, dbt->size);
		143	else
		144	sv_setsv_mg (sv, &PL_sv_undef);
		145
		146	SvREFCNT_dec (sv);
		147	}
		148
		149	free (dbt->data);
		150	}
		151
47	enum	152	enum {
48	{
49	REQ_QUIT,	153	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	154	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	155	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		156	REQ_ENV_LOG_ARCHIVE,
		157	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
		158	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		159	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		160	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		161	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
52	};	162	};
53		163
54	typedef struct aio_cb	164	typedef struct bdb_cb
55	{	165	{
56	struct aio_cb *volatile next;	166	struct bdb_cb *volatile next;
57	SV *callback;	167	SV *callback;
58	int type, pri, errorno;	168	int type, pri, result;
59		169
60	DB_ENV *env;	170	DB_ENV *env;
61	DB *db;	171	DB *db;
62	DB_TXN *txn;	172	DB_TXN *txn;
63	DBC *cursor;	173	DBC *dbc;
		174
		175	UV uv1;
64	int int1, int2;	176	int int1, int2;
65	U32 uint1, uint2;	177	U32 uint1, uint2;
66	char *buf1, *buf2;	178	char *buf1, *buf2, *buf3;
67	} aio_cb;	179	SV *sv1, *sv2, *sv3;
68		180
		181	DBT dbt1, dbt2, dbt3;
		182	DB_KEY_RANGE key_range;
		183	#if DB_VERSION_MINOR >= 3
		184	DB_SEQUENCE *seq;
		185	db_seq_t seq_t;
		186	#endif
		187
		188	SV *rsv1, *rsv2; // keep some request objects alive
		189	} bdb_cb;
		190
69	typedef aio_cb *aio_req;	191	typedef bdb_cb *bdb_req;
70		192
71	enum {	193	enum {
72	PRI_MIN = -4,	194	PRI_MIN = -4,
73	PRI_MAX = 4,	195	PRI_MAX = 4,
74		196
…		…
77	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	199	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
78	};	200	};
79		201
80	#define AIO_TICKS ((1000000 + 1023) >> 10)	202	#define AIO_TICKS ((1000000 + 1023) >> 10)
81		203
		204	static SV *on_next_submit;
		205
82	static unsigned int max_poll_time = 0;	206	static unsigned int max_poll_time = 0;
83	static unsigned int max_poll_reqs = 0;	207	static unsigned int max_poll_reqs = 0;
84		208
85	/* calculcate time difference in ~1/AIO_TICKS of a second */	209	/* calculcate time difference in ~1/AIO_TICKS of a second */
86	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	210	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
91		215
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	216	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		217
94	static unsigned int started, idle, wanted;	218	static unsigned int started, idle, wanted;
95		219
96	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
97	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
98	#else
99	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
100	#endif
101
102	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
103	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
104
105	/* worker threads management */	220	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	221	static mutex_t wrklock = X_MUTEX_INIT;
107		222
108	typedef struct worker {	223	typedef struct worker {
109	/* locked by wrklock */	224	/* locked by wrklock */
110	struct worker *prev, *next;	225	struct worker *prev, *next;
111		226
112	pthread_t tid;	227	thread_t tid;
113		228
114	/* locked by reslock, reqlock or wrklock */	229	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	230	bdb_req req; /* currently processed request */
116	void *dbuf;	231	void *dbuf;
117	DIR *dirp;	232	DIR *dirp;
118	} worker;	233	} worker;
119		234
120	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	235	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
132	}	247	}
133		248
134	static volatile unsigned int nreqs, nready, npending;	249	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	250	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	251	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	252	static s_epipe respipe;
138		253
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	254	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	255	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	256	static cond_t reqwait = X_COND_INIT;
142		257
143	#if WORDACCESS_UNSAFE	258	#if WORDACCESS_UNSAFE
144		259
145	static unsigned int get_nready ()	260	static unsigned int get_nready (void)
146	{	261	{
147	unsigned int retval;	262	unsigned int retval;
148		263
149	LOCK (reqlock);	264	X_LOCK (reqlock);
150	retval = nready;	265	retval = nready;
151	UNLOCK (reqlock);	266	X_UNLOCK (reqlock);
152		267
153	return retval;	268	return retval;
154	}	269	}
155		270
156	static unsigned int get_npending ()	271	static unsigned int get_npending (void)
157	{	272	{
158	unsigned int retval;	273	unsigned int retval;
159		274
160	LOCK (reslock);	275	X_LOCK (reslock);
161	retval = npending;	276	retval = npending;
162	UNLOCK (reslock);	277	X_UNLOCK (reslock);
163		278
164	return retval;	279	return retval;
165	}	280	}
166		281
167	static unsigned int get_nthreads ()	282	static unsigned int get_nthreads (void)
168	{	283	{
169	unsigned int retval;	284	unsigned int retval;
170		285
171	LOCK (wrklock);	286	X_LOCK (wrklock);
172	retval = started;	287	retval = started;
173	UNLOCK (wrklock);	288	X_UNLOCK (wrklock);
174		289
175	return retval;	290	return retval;
176	}	291	}
177		292
178	#else	293	#else
…		…
187	* a somewhat faster data structure might be nice, but	302	* a somewhat faster data structure might be nice, but
188	* with 8 priorities this actually needs <20 insns	303	* with 8 priorities this actually needs <20 insns
189	* per shift, the most expensive operation.	304	* per shift, the most expensive operation.
190	*/	305	*/
191	typedef struct {	306	typedef struct {
192	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	307	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
193	int size;	308	int size;
194	} reqq;	309	} reqq;
195		310
196	static reqq req_queue;	311	static reqq req_queue;
197	static reqq res_queue;	312	static reqq res_queue;
198		313
199	int reqq_push (reqq *q, aio_req req)	314	int reqq_push (reqq *q, bdb_req req)
200	{	315	{
201	int pri = req->pri;	316	int pri = req->pri;
202	req->next = 0;	317	req->next = 0;
203		318
204	if (q->qe[pri])	319	if (q->qe[pri])
…		…
210	q->qe[pri] = q->qs[pri] = req;	325	q->qe[pri] = q->qs[pri] = req;
211		326
212	return q->size++;	327	return q->size++;
213	}	328	}
214		329
215	aio_req reqq_shift (reqq *q)	330	bdb_req reqq_shift (reqq *q)
216	{	331	{
217	int pri;	332	int pri;
218		333
219	if (!q->size)	334	if (!q->size)
220	return 0;	335	return 0;
221		336
222	--q->size;	337	--q->size;
223		338
224	for (pri = NUM_PRI; pri--; )	339	for (pri = NUM_PRI; pri--; )
225	{	340	{
226	aio_req req = q->qs[pri];	341	bdb_req req = q->qs[pri];
227		342
228	if (req)	343	if (req)
229	{	344	{
230	if (!(q->qs[pri] = req->next))	345	if (!(q->qs[pri] = req->next))
231	q->qe[pri] = 0;	346	q->qe[pri] = 0;
…		…
235	}	350	}
236		351
237	abort ();	352	abort ();
238	}	353	}
239		354
240	static int poll_cb ();	355	static int poll_cb (void);
241	static void req_free (aio_req req);	356	static void req_free (bdb_req req);
242	static void req_cancel (aio_req req);
243		357
244	static int req_invoke (aio_req req)	358	static int req_invoke (bdb_req req)
245	{	359	{
246	dSP;	360	switch (req->type)
247
248	if (SvOK (req->callback))
249	{	361	{
		362	case REQ_DB_CLOSE:
		363	SvREFCNT_dec (req->sv1);
		364	break;
		365
		366	case REQ_DB_GET:
		367	case REQ_DB_PGET:
		368	case REQ_C_GET:
		369	case REQ_C_PGET:
		370	case REQ_DB_PUT:
		371	case REQ_C_PUT:
		372	dbt_to_sv (req->sv1, &req->dbt1);
		373	dbt_to_sv (req->sv2, &req->dbt2);
		374	dbt_to_sv (req->sv3, &req->dbt3);
		375	break;
		376
		377	case REQ_DB_KEY_RANGE:
		378	{
		379	AV *av = newAV ();
		380
		381	av_push (av, newSVnv (req->key_range.less));
		382	av_push (av, newSVnv (req->key_range.equal));
		383	av_push (av, newSVnv (req->key_range.greater));
		384
		385	av = (AV *)newRV_noinc ((SV *)av);
		386
		387	SvREADONLY_off (req->sv1);
		388	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		389	SvREFCNT_dec (av);
		390	SvREFCNT_dec (req->sv1);
		391	}
		392	break;
		393
		394	#if DB_VERSION_MINOR >= 3
		395	case REQ_SEQ_GET:
		396	SvREADONLY_off (req->sv1);
		397
		398	if (sizeof (IV) > 4)
		399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		400	else
		401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		402
		403	SvREFCNT_dec (req->sv1);
		404	break;
		405	#endif
		406
		407	case REQ_ENV_LOG_ARCHIVE:
		408	{
		409	AV *av = newAV ();
		410	char **listp = (char **)req->buf1;
		411
		412	if (listp)
		413	while (*listp)
		414	av_push (av, newSVpv (*listp, 0)), ++listp;
		415
		416	av = (AV *)newRV_noinc ((SV *)av);
		417
		418	SvREADONLY_off (req->sv1);
		419	sv_setsv_mg (req->sv1, (SV *)av);
		420	SvREFCNT_dec (av);
		421	SvREFCNT_dec (req->sv1);
		422	}
		423	break;
		424	}
		425
		426	errno = req->result;
		427
		428	if (req->callback)
		429	{
		430	dSP;
		431
250	ENTER;	432	ENTER;
251	SAVETMPS;	433	SAVETMPS;
252	PUSHMARK (SP);	434	PUSHMARK (SP);
253	EXTEND (SP, 1);
254
255	switch (req->type)
256	{
257	}
258		435
259	PUTBACK;	436	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	437	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	438	SPAGAIN;
262		439
263	FREETMPS;	440	FREETMPS;
264	LEAVE;	441	LEAVE;
		442
		443	return !SvTRUE (ERRSV);
265	}	444	}
266		445
267	return !SvTRUE (ERRSV);	446	return 1;
268	}	447	}
269		448
270	static void req_free (aio_req req)	449	static void req_free (bdb_req req)
271	{	450	{
		451	SvREFCNT_dec (req->callback);
		452
		453	SvREFCNT_dec (req->rsv1);
		454	SvREFCNT_dec (req->rsv2);
		455
272	free (req->buf1);	456	free (req->buf1);
273	free (req->buf2);	457	free (req->buf2);
		458	free (req->buf3);
		459
274	Safefree (req);	460	Safefree (req);
275	}	461	}
276		462
277	static void *aio_proc(void *arg);	463	static void
		464	create_respipe (void)
		465	{
		466	if (s_epipe_renew (&respipe))
		467	croak ("BDB: unable to create event pipe");
		468	}
		469
		470	static void bdb_request (bdb_req req);
		471	X_THREAD_PROC (bdb_proc);
278		472
279	static void start_thread (void)	473	static void start_thread (void)
280	{	474	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	475	worker *wrk = calloc (1, sizeof (worker));
285		476
286	if (!wrk)	477	if (!wrk)
287	croak ("unable to allocate worker thread data");	478	croak ("unable to allocate worker thread data");
288		479
289	pthread_attr_init (&attr);
290	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
291	#ifdef PTHREAD_SCOPE_PROCESS
292	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
293	#endif
294
295	sigfillset (&fullsigset);
296
297	LOCK (wrklock);	480	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	481	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	482	{
302	wrk->prev = &wrk_first;	483	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	484	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	485	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	486	wrk_first.next = wrk;
306	++started;	487	++started;
307	}	488	}
308	else	489	else
309	free (wrk);	490	free (wrk);
310		491
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	492	X_UNLOCK (wrklock);
313	}	493	}
314		494
315	static void maybe_start_thread ()	495	static void maybe_start_thread (void)
316	{	496	{
317	if (get_nthreads () >= wanted)	497	if (get_nthreads () >= wanted)
318	return;	498	return;
319		499
320	/* todo: maybe use idle here, but might be less exact */	500	/* todo: maybe use idle here, but might be less exact */
…		…
322	return;	502	return;
323		503
324	start_thread ();	504	start_thread ();
325	}	505	}
326		506
327	static void req_send (aio_req req)	507	static void req_send (bdb_req req)
328	{	508	{
		509	SV *wait_callback = 0;
		510
		511	if (on_next_submit)
		512	{
		513	dSP;
		514	SV *cb = sv_2mortal (on_next_submit);
		515
		516	on_next_submit = 0;
		517
		518	PUSHMARK (SP);
		519	PUTBACK;
		520	call_sv (cb, G_DISCARD | G_EVAL);
		521	SPAGAIN;
		522	}
		523
		524	// synthesize callback if none given
		525	if (!req->callback)
		526	{
		527	if (SvOK (prepare_cb))
		528	{
		529	int count;
		530
		531	dSP;
		532	PUSHMARK (SP);
		533	PUTBACK;
		534	count = call_sv (prepare_cb, G_ARRAY);
		535	SPAGAIN;
		536
		537	if (count != 2)
		538	croak ("sync prepare callback must return exactly two values\n");
		539
		540	wait_callback = POPs;
		541	req->callback = SvREFCNT_inc (POPs);
		542	}
		543	else
		544	{
		545	// execute request synchronously
		546	bdb_request (req);
		547	req_invoke (req);
		548	req_free (req);
		549	return;
		550	}
		551	}
		552
329	++nreqs;	553	++nreqs;
330		554
331	LOCK (reqlock);	555	X_LOCK (reqlock);
332	++nready;	556	++nready;
333	reqq_push (&req_queue, req);	557	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	558	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	559	X_UNLOCK (reqlock);
336		560
337	maybe_start_thread ();	561	maybe_start_thread ();
		562
		563	if (wait_callback)
		564	{
		565	dSP;
		566	PUSHMARK (SP);
		567	PUTBACK;
		568	call_sv (wait_callback, G_DISCARD);
		569	}
338	}	570	}
339		571
340	static void end_thread (void)	572	static void end_thread (void)
341	{	573	{
342	aio_req req;	574	bdb_req req = calloc (1, sizeof (bdb_cb));
343
344	Newz (0, req, 1, aio_cb);
345		575
346	req->type = REQ_QUIT;	576	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	577	req->pri = PRI_MAX + PRI_BIAS;
348		578
349	LOCK (reqlock);	579	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	580	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	581	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	582	X_UNLOCK (reqlock);
353		583
354	LOCK (wrklock);	584	X_LOCK (wrklock);
355	--started;	585	--started;
356	UNLOCK (wrklock);	586	X_UNLOCK (wrklock);
357	}	587	}
358		588
359	static void set_max_idle (int nthreads)	589	static void set_max_idle (int nthreads)
360	{	590	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	591	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	592	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	593	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	594	}
365		595
366	static void min_parallel (int nthreads)	596	static void min_parallel (int nthreads)
367	{	597	{
368	if (wanted < nthreads)	598	if (wanted < nthreads)
…		…
376		606
377	while (started > wanted)	607	while (started > wanted)
378	end_thread ();	608	end_thread ();
379	}	609	}
380		610
381	static void poll_wait ()	611	static void poll_wait (void)
382	{	612	{
383	fd_set rfd;	613	fd_set rfd;
384		614
385	while (nreqs)	615	while (nreqs)
386	{	616	{
387	int size;	617	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	618	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	619	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	620	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		621
392	if (size)	622	if (size)
393	return;	623	return;
394		624
395	maybe_start_thread ();	625	maybe_start_thread ();
396		626
397	FD_ZERO(&rfd);	627	s_epipe_wait (&respipe);
398	FD_SET(respipe [0], &rfd);
399
400	select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	628	}
402	}	629	}
403		630
404	static int poll_cb ()	631	static int poll_cb (void)
405	{	632	{
406	dSP;	633	dSP;
407	int count = 0;	634	int count = 0;
408	int maxreqs = max_poll_reqs;	635	int maxreqs = max_poll_reqs;
409	int do_croak = 0;	636	int do_croak = 0;
410	struct timeval tv_start, tv_now;	637	struct timeval tv_start, tv_now;
411	aio_req req;	638	bdb_req req;
412		639
413	if (max_poll_time)	640	if (max_poll_time)
414	gettimeofday (&tv_start, 0);	641	gettimeofday (&tv_start, 0);
415		642
416	for (;;)	643	for (;;)
417	{	644	{
418	for (;;)	645	for (;;)
419	{	646	{
420	maybe_start_thread ();	647	maybe_start_thread ();
421		648
422	LOCK (reslock);	649	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	650	req = reqq_shift (&res_queue);
424		651
425	if (req)	652	if (req)
426	{	653	{
427	--npending;	654	--npending;
428		655
429	if (!res_queue.size)	656	if (!res_queue.size)
430	{
431	/* read any signals sent by the worker threads */	657	/* read any signals sent by the worker threads */
432	char buf [4];	658	s_epipe_drain (&respipe);
433	while (read (respipe [0], buf, 4) == 4)
434	;
435	}
436	}	659	}
437		660
438	UNLOCK (reslock);	661	X_UNLOCK (reslock);
439		662
440	if (!req)	663	if (!req)
441	break;	664	break;
442		665
443	--nreqs;	666	--nreqs;
…		…
473	}	696	}
474		697
475	return count;	698	return count;
476	}	699	}
477		700
478	static void create_pipe ()
479	{
480	if (pipe (respipe))
481	croak ("unable to initialize result pipe");
482
483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
484	croak ("cannot set result pipe to nonblocking mode");
485
486	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
487	croak ("cannot set result pipe to nonblocking mode");
488	}
489
490	/*****************************************************************************/	701	/*****************************************************************************/
491		702
492	static void *aio_proc (void *thr_arg)	703	static void
		704	bdb_request (bdb_req req)
493	{	705	{
		706	switch (req->type)
		707	{
		708	case REQ_ENV_OPEN:
		709	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		710	break;
		711
		712	case REQ_ENV_CLOSE:
		713	req->result = req->env->close (req->env, req->uint1);
		714	break;
		715
		716	case REQ_ENV_TXN_CHECKPOINT:
		717	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		718	break;
		719
		720	case REQ_ENV_LOCK_DETECT:
		721	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		722	break;
		723
		724	case REQ_ENV_MEMP_SYNC:
		725	req->result = req->env->memp_sync (req->env, 0);
		726	break;
		727
		728	case REQ_ENV_MEMP_TRICKLE:
		729	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		730	break;
		731
		732	case REQ_ENV_DBREMOVE:
		733	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		734	break;
		735
		736	case REQ_ENV_DBRENAME:
		737	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		738	break;
		739
		740	case REQ_DB_OPEN:
		741	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		742	break;
		743
		744	case REQ_DB_CLOSE:
		745	req->result = req->db->close (req->db, req->uint1);
		746	break;
		747
		748	#if DB_VERSION_MINOR >= 4
		749	case REQ_DB_COMPACT:
		750	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		751	break;
		752	#endif
		753
		754	case REQ_DB_SYNC:
		755	req->result = req->db->sync (req->db, req->uint1);
		756	break;
		757
		758	case REQ_DB_VERIFY:
		759	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		760	break;
		761
		762	case REQ_DB_UPGRADE:
		763	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		764	break;
		765
		766	case REQ_DB_PUT:
		767	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		768	break;
		769
		770	#if DB_VERSION_MINOR >= 6
		771	case REQ_DB_EXISTS:
		772	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		773	break;
		774	#endif
		775	case REQ_DB_GET:
		776	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		777	break;
		778
		779	case REQ_DB_PGET:
		780	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		781	break;
		782
		783	case REQ_DB_DEL:
		784	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		785	break;
		786
		787	case REQ_DB_KEY_RANGE:
		788	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		789	break;
		790
		791	case REQ_TXN_COMMIT:
		792	req->result = req->txn->commit (req->txn, req->uint1);
		793	break;
		794
		795	case REQ_TXN_ABORT:
		796	req->result = req->txn->abort (req->txn);
		797	break;
		798
		799	case REQ_TXN_FINISH:
		800	if (req->txn->flags & TXN_DEADLOCK)
		801	{
		802	req->result = req->txn->abort (req->txn);
		803	if (!req->result)
		804	req->result = DB_LOCK_DEADLOCK;
		805	}
		806	else
		807	req->result = req->txn->commit (req->txn, req->uint1);
		808	break;
		809
		810	case REQ_C_CLOSE:
		811	req->result = req->dbc->c_close (req->dbc);
		812	break;
		813
		814	case REQ_C_COUNT:
		815	{
		816	db_recno_t recno;
		817	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		818	req->uv1 = recno;
		819	}
		820	break;
		821
		822	case REQ_C_PUT:
		823	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		824	break;
		825
		826	case REQ_C_GET:
		827	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		828	break;
		829
		830	case REQ_C_PGET:
		831	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		832	break;
		833
		834	case REQ_C_DEL:
		835	req->result = req->dbc->c_del (req->dbc, req->uint1);
		836	break;
		837
		838	#if DB_VERSION_MINOR >= 3
		839	case REQ_SEQ_OPEN:
		840	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		841	break;
		842
		843	case REQ_SEQ_CLOSE:
		844	req->result = req->seq->close (req->seq, req->uint1);
		845	break;
		846
		847	case REQ_SEQ_GET:
		848	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		849	break;
		850
		851	case REQ_SEQ_REMOVE:
		852	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		853	break;
		854	#endif
		855
		856	case REQ_ENV_LOG_ARCHIVE:
		857	{
		858	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		859	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		860	req->buf1 = (char *)listp;
		861	}
		862	break;
		863
		864	default:
		865	req->result = ENOSYS;
		866	break;
		867	}
		868
		869	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		870	req->txn->flags |= TXN_DEADLOCK;
		871	}
		872
		873	X_THREAD_PROC (bdb_proc)
		874	{
494	aio_req req;	875	bdb_req req;
495	struct timespec ts;	876	struct timespec ts;
496	worker *self = (worker *)thr_arg;	877	worker *self = (worker *)thr_arg;
497		878
498	/* try to distribute timeouts somewhat evenly */	879	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	880	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		881
502	for (;;)	882	for (;;)
503	{	883	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	884	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		885
506	LOCK (reqlock);	886	X_LOCK (reqlock);
507		887
508	for (;;)	888	for (;;)
509	{	889	{
510	self->req = req = reqq_shift (&req_queue);	890	self->req = req = reqq_shift (&req_queue);
511		891
512	if (req)	892	if (req)
513	break;	893	break;
514		894
515	++idle;	895	++idle;
516		896
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	897	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	898	== ETIMEDOUT)
519	{	899	{
520	if (idle > max_idle)	900	if (idle > max_idle)
521	{	901	{
522	--idle;	902	--idle;
523	UNLOCK (reqlock);	903	X_UNLOCK (reqlock);
524	LOCK (wrklock);	904	X_LOCK (wrklock);
525	--started;	905	--started;
526	UNLOCK (wrklock);	906	X_UNLOCK (wrklock);
527	goto quit;	907	goto quit;
528	}	908	}
529		909
530	/* we are allowed to idle, so do so without any timeout */	910	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	911	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	912	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	913	}
534		914
535	--idle;	915	--idle;
536	}	916	}
537		917
538	--nready;	918	--nready;
539		919
540	UNLOCK (reqlock);	920	X_UNLOCK (reqlock);
541
542	errno = 0; /* strictly unnecessary */
543		921
544	switch (req->type)	922	if (req->type == REQ_QUIT)
545	{	923	{
546	case REQ_QUIT:	924	X_LOCK (reslock);
		925	free (req);
		926	self->req = 0;
		927	X_UNLOCK (reslock);
		928
547	goto quit;	929	goto quit;
548
549	default:
550	//req->result = ENOSYS;
551	break;
552	}	930	}
553		931
554	//req->errorno = errno;	932	bdb_request (req);
555		933
556	LOCK (reslock);	934	X_LOCK (reslock);
557		935
558	++npending;	936	++npending;
559		937
560	if (!reqq_push (&res_queue, req))	938	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	939	s_epipe_signal (&respipe);
562	write (respipe [1], &respipe, 1);
563		940
564	self->req = 0;	941	self->req = 0;
565	worker_clear (self);	942	worker_clear (self);
566		943
567	UNLOCK (reslock);	944	X_UNLOCK (reslock);
568	}	945	}
569		946
570	quit:	947	quit:
571	LOCK (wrklock);	948	X_LOCK (wrklock);
572	worker_free (self);	949	worker_free (self);
573	UNLOCK (wrklock);	950	X_UNLOCK (wrklock);
574		951
575	return 0;	952	return 0;
576	}	953	}
577		954
578	/*****************************************************************************/	955	/*****************************************************************************/
579		956
580	static void atfork_prepare (void)	957	static void atfork_prepare (void)
581	{	958	{
582	LOCK (wrklock);	959	X_LOCK (wrklock);
583	LOCK (reqlock);	960	X_LOCK (reqlock);
584	LOCK (reslock);	961	X_LOCK (reslock);
585	}	962	}
586		963
587	static void atfork_parent (void)	964	static void atfork_parent (void)
588	{	965	{
589	UNLOCK (reslock);	966	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	967	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	968	X_UNLOCK (wrklock);
592	}	969	}
593		970
594	static void atfork_child (void)	971	static void atfork_child (void)
595	{	972	{
596	aio_req prv;	973	bdb_req prv;
597		974
598	while (prv = reqq_shift (&req_queue))	975	while (prv = reqq_shift (&req_queue))
599	req_free (prv);	976	req_free (prv);
600		977
601	while (prv = reqq_shift (&res_queue))	978	while (prv = reqq_shift (&res_queue))
…		…
616	idle = 0;	993	idle = 0;
617	nreqs = 0;	994	nreqs = 0;
618	nready = 0;	995	nready = 0;
619	npending = 0;	996	npending = 0;
620		997
621	close (respipe [0]);
622	close (respipe [1]);
623	create_pipe ();	998	create_respipe ();
624		999
625	atfork_parent ();	1000	atfork_parent ();
626	}	1001	}
627		1002
628	#define dREQ(reqtype) \	1003	#define dREQ(reqtype,rsvcnt) \
629	aio_req req; \	1004	bdb_req req; \
630	int req_pri = next_pri; \	1005	int req_pri = next_pri; \
631	next_pri = DEFAULT_PRI + PRI_BIAS; \	1006	next_pri = DEFAULT_PRI + PRI_BIAS; \
632	\	1007	\
633	if (SvOK (callback) && !SvROK (callback)) \	1008	if (callback && SvOK (callback)) \
634	croak ("callback must be undef or of reference type"); \	1009	croak ("callback has illegal type or extra arguments"); \
635	\	1010	\
636	Newz (0, req, 1, aio_cb); \	1011	Newz (0, req, 1, bdb_cb); \
637	if (!req) \	1012	if (!req) \
638	croak ("out of memory during aio_req allocation"); \	1013	croak ("out of memory during bdb_req allocation"); \
639	\	1014	\
640	req->callback = newSVsv (callback); \	1015	req->callback = SvREFCNT_inc (cb); \
641	req->type = (reqtype); \	1016	req->type = (reqtype); \
642	req->pri = req_pri	1017	req->pri = req_pri; \
		1018	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1019	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1020	(void)0;
643		1021
644	#define REQ_SEND \	1022	#define REQ_SEND \
645	req_send (req)	1023	req_send (req)
646		1024
647	#define SvPTR(var, arg, type, class) \	1025	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	1026	if (!SvOK (arg)) \
		1027	{ \
		1028	if (nullok != 1) \
		1029	croak (# var " must be a " # class " object, not undef"); \
		1030	\
649	(var) = 0; \	1031	(var) = 0; \
		1032	} \
650	else if (sv_derived_from ((arg), # class)) \	1033	else if (sv_derived_from ((arg), # class)) \
651	{ \	1034	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	1035	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	1036	(var) = INT2PTR (type, tmp); \
		1037	if (!var && nullok != 2) \
		1038	croak (# var " is not a valid " # class " object anymore"); \
654	} \	1039	} \
655	else \	1040	else \
656	Perl_croak (# var " is not of type " # type)	1041	croak (# var " is not of type " # class);
657		1042
		1043	#define ARG_MUTABLE(name) \
		1044	if (SvREADONLY (name)) \
		1045	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1046
		1047	static void
		1048	ptr_nuke (SV *sv)
		1049	{
		1050	assert (SvROK (sv));
		1051	sv_setiv (SvRV (sv), 0);
		1052	}
		1053
		1054	static int
		1055	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1056	{
		1057	if (*mg->mg_ptr == '!') // should always be the case
		1058	if (-30999 <= errno && errno <= -30800)
		1059	{
		1060	sv_setnv (sv, (NV)errno);
		1061	sv_setpv (sv, db_strerror (errno));
		1062	SvNOK_on (sv); /* what a wonderful hack! */
		1063	// ^^^ copied from perl sources
		1064	return 0;
		1065	}
		1066
		1067	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1068	}
		1069
		1070	static MGVTBL vtbl_errno;
		1071
		1072	// this wonderful hack :( patches perl's $! variable to support our errno values
		1073	static void
		1074	patch_errno (void)
		1075	{
		1076	SV *sv;
		1077	MAGIC *mg;
		1078
		1079	if (!(sv = get_sv ("!", 1)))
		1080	return;
		1081
		1082	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1083	return;
		1084
		1085	if (mg->mg_virtual != &PL_vtbl_sv)
		1086	return;
		1087
		1088	vtbl_errno = PL_vtbl_sv;
		1089	vtbl_errno.svt_get = errno_get;
		1090	mg->mg_virtual = &vtbl_errno;
		1091	}
		1092
		1093	#if __GNUC__ >= 4
		1094	# define noinline __attribute__ ((noinline))
		1095	#else
		1096	# define noinline
		1097	#endif
		1098
		1099	static noinline SV *
		1100	pop_callback (I32 *ritems, SV *sv)
		1101	{
		1102	if (SvROK (sv))
		1103	{
		1104	HV *st;
		1105	GV *gvp;
		1106	CV *cv;
		1107	const char *name;
		1108
		1109	/* forgive me */
		1110	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1111	&& (st = SvSTASH (SvRV (sv)))
		1112	&& (name = HvNAME_get (st))
		1113	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1114	return 0;
		1115
		1116	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1117	{
		1118	--*ritems;
		1119	return (SV *)cv;
		1120	}
		1121	}
		1122
		1123	return 0;
		1124	}
		1125
		1126	/*****************************************************************************/
		1127
		1128	#if 0
		1129	static int
		1130	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1131	{
		1132	ssize_t size1 = dbt1->size;
		1133	ssize_t size2 = dbt2->size;
		1134	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1135	size1 <= size2 ? size1 : size2);
		1136
		1137	if (res)
		1138	return res;
		1139	else if (size1 - size2)
		1140	return size1 - size2;
		1141	else
		1142	return 0;
		1143	}
		1144
		1145	static size_t
		1146	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1151	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1152	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1153
		1154	while (p1 < pe)
		1155	if (*p1++ != *p2++)
		1156	return p1 - (u_int8_t *)dbt1->data - 1;
		1157
		1158	if (size1 < size2) return size1 + 1;
		1159	if (size1 > size2) return size2 + 1;
		1160
		1161	return size1;
		1162	}
		1163	#endif
		1164
		1165	/*****************************************************************************/
		1166
		1167	/* stupid windows defines CALLBACK as well */
		1168	#undef CALLBACK
		1169	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1170
658	MODULE = BDB PACKAGE = BDB	1171	MODULE = BDB PACKAGE = BDB
659		1172
660	PROTOTYPES: ENABLE	1173	PROTOTYPES: ENABLE
661		1174
662	BOOT:	1175	BOOT:
…		…
677	const_iv (INIT_TXN)	1190	const_iv (INIT_TXN)
678	const_iv (RECOVER)	1191	const_iv (RECOVER)
679	const_iv (INIT_TXN)	1192	const_iv (INIT_TXN)
680	const_iv (RECOVER_FATAL)	1193	const_iv (RECOVER_FATAL)
681	const_iv (CREATE)	1194	const_iv (CREATE)
		1195	const_iv (RDONLY)
682	const_iv (USE_ENVIRON)	1196	const_iv (USE_ENVIRON)
683	const_iv (USE_ENVIRON_ROOT)	1197	const_iv (USE_ENVIRON_ROOT)
684	const_iv (LOCKDOWN)	1198	const_iv (LOCKDOWN)
685	const_iv (PRIVATE)	1199	const_iv (PRIVATE)
686	const_iv (REGISTER)
687	const_iv (SYSTEM_MEM)	1200	const_iv (SYSTEM_MEM)
688	const_iv (AUTO_COMMIT)	1201	const_iv (AUTO_COMMIT)
689	const_iv (CDB_ALLDB)	1202	const_iv (CDB_ALLDB)
690	const_iv (DIRECT_DB)	1203	const_iv (DIRECT_DB)
691	const_iv (DIRECT_LOG)
692	const_iv (DSYNC_DB)
693	const_iv (DSYNC_LOG)
694	const_iv (LOG_AUTOREMOVE)
695	const_iv (LOG_INMEMORY)
696	const_iv (NOLOCKING)	1204	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	1205	const_iv (NOMMAP)
699	const_iv (NOPANIC)	1206	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	1207	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	1208	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	1209	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	1210	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	1211	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)	1212	const_iv (TXN_NOT_DURABLE)
706	const_iv (TXN_WRITE_NOSYNC)	1213	const_iv (TXN_WRITE_NOSYNC)
		1214	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	1215	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	1216	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	1217	const_iv (XA_CREATE)
710	const_iv (BTREE)	1218	const_iv (BTREE)
711	const_iv (HASH)	1219	const_iv (HASH)
712	const_iv (QUEUE)	1220	const_iv (QUEUE)
713	const_iv (RECNO)	1221	const_iv (RECNO)
714	const_iv (UNKNOWN)	1222	const_iv (UNKNOWN)
715	const_iv (EXCL)	1223	const_iv (EXCL)
716	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	1224	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	1225	const_iv (NOSYNC)
719	const_iv (CHKSUM)	1226	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	1227	const_iv (ENCRYPT)
721	const_iv (TXN_NOT_DURABLE)
722	const_iv (DUP)	1228	const_iv (DUP)
723	const_iv (DUPSORT)	1229	const_iv (DUPSORT)
724	const_iv (RECNUM)	1230	//const_iv (RECNUM)
725	const_iv (RENUMBER)	1231	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	1232	const_iv (REVSPLITOFF)
727	const_iv (INORDER)
728	const_iv (CONSUME)	1233	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	1234	const_iv (CONSUME_WAIT)
		1235	const_iv (GET_BOTH)
		1236	const_iv (GET_BOTH_RANGE)
		1237	//const_iv (SET_RECNO)
		1238	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	1239	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	1240	const_iv (JOIN_ITEM)
		1241	const_iv (JOIN_NOSORT)
732	const_iv (RMW)	1242	const_iv (RMW)
733		1243
734	const_iv (NOTFOUND)	1244	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	1245	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	1246	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	1247	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	1248	const_iv (RUNRECOVERY)
		1249	const_iv (OLD_VERSION)
		1250	const_iv (REP_HANDLE_DEAD)
		1251	const_iv (SECONDARY_BAD)
		1252
		1253	const_iv (APPEND)
		1254	const_iv (NODUPDATA)
		1255	const_iv (NOOVERWRITE)
		1256
		1257	const_iv (TXN_NOWAIT)
		1258	const_iv (TXN_SYNC)
		1259
		1260	const_iv (SET_LOCK_TIMEOUT)
		1261	const_iv (SET_TXN_TIMEOUT)
		1262
		1263	const_iv (FIRST)
		1264	const_iv (NEXT)
		1265	const_iv (NEXT_DUP)
		1266	const_iv (NEXT_NODUP)
		1267	const_iv (PREV)
		1268	const_iv (PREV_NODUP)
		1269	const_iv (SET)
		1270	const_iv (SET_RANGE)
		1271	const_iv (LAST)
		1272	const_iv (BEFORE)
		1273	const_iv (AFTER)
		1274	const_iv (CURRENT)
		1275	const_iv (KEYFIRST)
		1276	const_iv (KEYLAST)
		1277	const_iv (NODUPDATA)
		1278
		1279	const_iv (FORCE)
		1280
		1281	const_iv (LOCK_DEFAULT)
		1282	const_iv (LOCK_EXPIRE)
		1283	const_iv (LOCK_MAXLOCKS)
		1284	const_iv (LOCK_MINLOCKS)
		1285	const_iv (LOCK_MINWRITE)
		1286	const_iv (LOCK_OLDEST)
		1287	const_iv (LOCK_RANDOM)
		1288	const_iv (LOCK_YOUNGEST)
		1289
		1290	const_iv (DONOTINDEX)
		1291	const_iv (KEYEMPTY )
		1292	const_iv (KEYEXIST )
		1293	const_iv (LOCK_DEADLOCK)
		1294	const_iv (LOCK_NOTGRANTED)
		1295	const_iv (NOSERVER)
		1296	const_iv (NOSERVER_HOME)
		1297	const_iv (NOSERVER_ID)
		1298	const_iv (NOTFOUND)
		1299	const_iv (PAGE_NOTFOUND)
		1300	const_iv (REP_DUPMASTER)
		1301	const_iv (REP_HANDLE_DEAD)
		1302	const_iv (REP_HOLDELECTION)
		1303	const_iv (REP_ISPERM)
		1304	const_iv (REP_NEWMASTER)
		1305	const_iv (REP_NEWSITE)
		1306	const_iv (REP_NOTPERM)
		1307	const_iv (REP_UNAVAIL)
		1308	const_iv (RUNRECOVERY)
		1309	const_iv (SECONDARY_BAD)
		1310	const_iv (VERIFY_BAD)
		1311
		1312	const_iv (SALVAGE)
		1313	const_iv (AGGRESSIVE)
		1314	const_iv (PRINTABLE)
		1315	const_iv (NOORDERCHK)
		1316	const_iv (ORDERCHKONLY)
		1317
		1318	const_iv (ARCH_ABS)
		1319	const_iv (ARCH_DATA)
		1320	const_iv (ARCH_LOG)
		1321	const_iv (ARCH_REMOVE)
		1322
		1323	const_iv (VERB_DEADLOCK)
		1324	const_iv (VERB_RECOVERY)
		1325	const_iv (VERB_REPLICATION)
		1326	const_iv (VERB_WAITSFOR)
		1327
		1328	const_iv (VERSION_MAJOR)
		1329	const_iv (VERSION_MINOR)
		1330	const_iv (VERSION_PATCH)
		1331	#if DB_VERSION_MINOR >= 3
		1332	const_iv (INORDER)
		1333	const_iv (LOCK_MAXWRITE)
		1334	const_iv (SEQ_DEC)
		1335	const_iv (SEQ_INC)
		1336	const_iv (SEQ_WRAP)
		1337	const_iv (BUFFER_SMALL)
		1338	const_iv (LOG_BUFFER_FULL)
		1339	const_iv (VERSION_MISMATCH)
		1340	#endif
		1341	#if DB_VERSION_MINOR >= 4
		1342	const_iv (REGISTER)
		1343	const_iv (DSYNC_DB)
		1344	const_iv (READ_COMMITTED)
		1345	const_iv (READ_UNCOMMITTED)
		1346	const_iv (REP_IGNORE)
		1347	const_iv (REP_LOCKOUT)
		1348	const_iv (REP_JOIN_FAILURE)
		1349	const_iv (FREE_SPACE)
		1350	const_iv (FREELIST_ONLY)
		1351	const_iv (VERB_REGISTER)
		1352	#endif
		1353	#if DB_VERSION_MINOR >= 5
		1354	const_iv (MULTIVERSION)
		1355	const_iv (TXN_SNAPSHOT)
		1356	#endif
		1357	#if DB_VERSION_MINOR >= 6
		1358	const_iv (PREV_DUP)
		1359	const_iv (PRIORITY_UNCHANGED)
		1360	const_iv (PRIORITY_VERY_LOW)
		1361	const_iv (PRIORITY_LOW)
		1362	const_iv (PRIORITY_DEFAULT)
		1363	const_iv (PRIORITY_HIGH)
		1364	const_iv (PRIORITY_VERY_HIGH)
		1365	const_iv (IGNORE_LEASE)
		1366	#endif
		1367	#if DB_VERSION_MINOR >= 7
		1368	//const_iv (MULTIPLE_KEY)
		1369	const_iv (LOG_DIRECT)
		1370	const_iv (LOG_DSYNC)
		1371	const_iv (LOG_AUTO_REMOVE)
		1372	const_iv (LOG_IN_MEMORY)
		1373	const_iv (LOG_ZERO)
		1374	#else
		1375	const_iv (DIRECT_LOG)
		1376	const_iv (LOG_AUTOREMOVE)
		1377	# if DB_VERSION_MINOR >= 3
		1378	const_iv (DSYNC_LOG)
		1379	const_iv (LOG_INMEMORY)
		1380	# endif
		1381	#endif
739	};	1382	};
740		1383
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1384	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1385	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1386
744	create_pipe ();	1387	prepare_cb = &PL_sv_undef;
		1388
		1389	{
		1390	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1391	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1392
		1393	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1394	}
		1395
		1396	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1397
		1398	create_respipe ();
		1399
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1400	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1401	patch_errno ();
746	}	1402	}
747		1403
748	void	1404	void
749	max_poll_reqs (int nreqs)	1405	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1406	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1435	max_outstanding = maxreqs;
780	OUTPUT:	1436	OUTPUT:
781	RETVAL	1437	RETVAL
782		1438
783	int	1439	int
784	bdbreq_pri (int pri = 0)	1440	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1441	PROTOTYPE: ;$
786	CODE:	1442	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1443	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1444	if (items > 0)
789	{	1445	{
…		…
793	}	1449	}
794	OUTPUT:	1450	OUTPUT:
795	RETVAL	1451	RETVAL
796		1452
797	void	1453	void
798	bdbreq_nice (int nice = 0)	1454	dbreq_nice (int nice = 0)
799	CODE:	1455	CODE:
800	nice = next_pri - nice;	1456	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1457	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1458	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1459	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1467	poll_wait ();
812	poll_cb ();	1468	poll_cb ();
813	}	1469	}
814		1470
815	int	1471	int
816	poll()	1472	poll ()
817	PROTOTYPE:	1473	PROTOTYPE:
818	CODE:	1474	CODE:
819	poll_wait ();	1475	poll_wait ();
820	RETVAL = poll_cb ();	1476	RETVAL = poll_cb ();
821	OUTPUT:	1477	OUTPUT:
822	RETVAL	1478	RETVAL
823		1479
824	int	1480	int
825	poll_fileno()	1481	poll_fileno ()
826	PROTOTYPE:	1482	PROTOTYPE:
827	CODE:	1483	CODE:
828	RETVAL = respipe [0];	1484	RETVAL = s_epipe_fd (&respipe);
829	OUTPUT:	1485	OUTPUT:
830	RETVAL	1486	RETVAL
831		1487
832	int	1488	int
833	poll_cb(...)	1489	poll_cb (...)
834	PROTOTYPE:	1490	PROTOTYPE:
835	CODE:	1491	CODE:
836	RETVAL = poll_cb ();	1492	RETVAL = poll_cb ();
837	OUTPUT:	1493	OUTPUT:
838	RETVAL	1494	RETVAL
839		1495
840	void	1496	void
841	poll_wait()	1497	poll_wait ()
842	PROTOTYPE:	1498	PROTOTYPE:
843	CODE:	1499	CODE:
844	poll_wait ();	1500	poll_wait ();
845		1501
846	int	1502	int
847	nreqs()	1503	nreqs ()
848	PROTOTYPE:	1504	PROTOTYPE:
849	CODE:	1505	CODE:
850	RETVAL = nreqs;	1506	RETVAL = nreqs;
851	OUTPUT:	1507	OUTPUT:
852	RETVAL	1508	RETVAL
853		1509
854	int	1510	int
855	nready()	1511	nready ()
856	PROTOTYPE:	1512	PROTOTYPE:
857	CODE:	1513	CODE:
858	RETVAL = get_nready ();	1514	RETVAL = get_nready ();
859	OUTPUT:	1515	OUTPUT:
860	RETVAL	1516	RETVAL
861		1517
862	int	1518	int
863	npending()	1519	npending ()
864	PROTOTYPE:	1520	PROTOTYPE:
865	CODE:	1521	CODE:
866	RETVAL = get_npending ();	1522	RETVAL = get_npending ();
867	OUTPUT:	1523	OUTPUT:
868	RETVAL	1524	RETVAL
869		1525
870	int	1526	int
871	nthreads()	1527	nthreads ()
872	PROTOTYPE:	1528	PROTOTYPE:
873	CODE:	1529	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1530	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1531	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1532	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1533	OUTPUT:
878	RETVAL	1534	RETVAL
879		1535
		1536	SV *
		1537	set_sync_prepare (SV *cb)
		1538	PROTOTYPE: &
		1539	CODE:
		1540	RETVAL = prepare_cb;
		1541	prepare_cb = newSVsv (cb);
		1542	OUTPUT:
		1543	RETVAL
		1544
		1545	char *
		1546	strerror (int errorno = errno)
		1547	PROTOTYPE: ;$
		1548	CODE:
		1549	RETVAL = db_strerror (errorno);
		1550	OUTPUT:
		1551	RETVAL
		1552
		1553	void _on_next_submit (SV *cb)
		1554	CODE:
		1555	SvREFCNT_dec (on_next_submit);
		1556	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1557
880	DB_ENV *	1558	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1559	db_env_create (U32 env_flags = 0)
882	CODE:	1560	CODE:
883	{	1561	{
884	int err = db_env_create (&RETVAL, env_flags);	1562	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1563	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1564	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1565
		1566	if (0)
		1567	{
		1568	RETVAL->set_errcall (RETVAL, debug_errcall);
		1569	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1570	}
		1571	}
		1572	OUTPUT:
		1573	RETVAL
		1574
889	void	1575	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1576	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1577	PREINIT:
		1578	CALLBACK
891	CODE:	1579	CODE:
892	{	1580	{
893	dREQ (REQ_ENV_OPEN);	1581	dREQ (REQ_ENV_OPEN, 1);
894	req->env = env;	1582	req->env = env;
895	req->uint1 = open_flags;	1583	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1584	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1585	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1586	REQ_SEND;
899	}	1587	}
900		1588
901	void	1589	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1590	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1591	PREINIT:
		1592	CALLBACK
903	CODE:	1593	CODE:
904	{	1594	{
905	dREQ (REQ_ENV_CLOSE);	1595	dREQ (REQ_ENV_CLOSE, 0);
		1596	ptr_nuke (ST (0));
906	req->env = env;	1597	req->env = env;
907	req->uint1 = flags;	1598	req->uint1 = flags;
908	REQ_SEND;	1599	REQ_SEND;
909	}	1600	}
910		1601
		1602	void
		1603	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1604	PREINIT:
		1605	CALLBACK
		1606	CODE:
		1607	{
		1608	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1609	req->env = env;
		1610	req->uint1 = kbyte;
		1611	req->int1 = min;
		1612	req->uint2 = flags;
		1613	REQ_SEND;
		1614	}
		1615
		1616	void
		1617	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
		1620	CODE:
		1621	{
		1622	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1623	req->env = env;
		1624	req->uint1 = flags;
		1625	req->uint2 = atype;
		1626	/* req->int2 = 0; dummy */
		1627	REQ_SEND;
		1628	}
		1629
		1630	void
		1631	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1632	PREINIT:
		1633	CALLBACK
		1634	CODE:
		1635	{
		1636	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1637	req->env = env;
		1638	REQ_SEND;
		1639	}
		1640
		1641	void
		1642	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1643	PREINIT:
		1644	CALLBACK
		1645	CODE:
		1646	{
		1647	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1648	req->env = env;
		1649	req->int1 = percent;
		1650	REQ_SEND;
		1651	}
		1652
		1653	void
		1654	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1655	PREINIT:
		1656	CALLBACK
		1657	CODE:
		1658	{
		1659	dREQ (REQ_ENV_DBREMOVE, 2);
		1660	req->env = env;
		1661	req->buf1 = strdup_ornull (file);
		1662	req->buf2 = strdup_ornull (database);
		1663	req->uint1 = flags;
		1664	REQ_SEND;
		1665	}
		1666
		1667	void
		1668	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1669	PREINIT:
		1670	CALLBACK
		1671	CODE:
		1672	{
		1673	dREQ (REQ_ENV_DBRENAME, 2);
		1674	req->env = env;
		1675	req->buf1 = strdup_ornull (file);
		1676	req->buf2 = strdup_ornull (database);
		1677	req->buf3 = strdup_ornull (newname);
		1678	req->uint1 = flags;
		1679	REQ_SEND;
		1680	}
		1681
		1682	void
		1683	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1684	PREINIT:
		1685	CALLBACK
		1686	CODE:
		1687	{
		1688	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1689	req->sv1 = SvREFCNT_inc (listp);
		1690	req->env = env;
		1691	req->uint1 = flags;
		1692	REQ_SEND;
		1693	}
		1694
911	DB *	1695	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1696	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1697	CODE:
914	{	1698	{
915	int err = db_create (&RETVAL, env, flags);	1699	errno = db_create (&RETVAL, env, flags);
916	if (err)	1700	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1701	croak ("db_create: %s", db_strerror (errno));
918	}
919		1702
		1703	if (RETVAL)
		1704	RETVAL->app_private = (void *)newSVsv (ST (0));
		1705	}
		1706	OUTPUT:
		1707	RETVAL
		1708
920	void	1709	void
921	bdb_db_open (DB *db, DB_TXN *txnid, const char *file, const char *database, int type, U32 flags, int mode, SV *callback = 0)	1710	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1711	PREINIT:
		1712	CALLBACK
922	CODE:	1713	CODE:
923	{	1714	{
924	dREQ (REQ_DB_OPEN);	1715	dREQ (REQ_DB_OPEN, 2);
925	req->db = db;	1716	req->db = db;
926	req->txn = txnid;	1717	req->txn = txnid;
927	req->buf1 = strdup (file);	1718	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1719	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1720	req->int1 = type;
930	req->uint1 = flags;	1721	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1722	req->int2 = mode;
932	REQ_SEND;	1723	REQ_SEND;
933	}	1724	}
934		1725
935	void	1726	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1727	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1728	PREINIT:
		1729	CALLBACK
937	CODE:	1730	CODE:
938	{	1731	{
939	dREQ (REQ_DB_CLOSE);	1732	dREQ (REQ_DB_CLOSE, 0);
		1733	ptr_nuke (ST (0));
940	req->db = db;	1734	req->db = db;
941	req->uint1 = flags;	1735	req->uint1 = flags;
		1736	req->sv1 = (SV *)db->app_private;
		1737	REQ_SEND;
		1738	}
		1739
		1740	#if DB_VERSION_MINOR >= 4
		1741
		1742	void
		1743	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
		1744	PREINIT:
		1745	CALLBACK
		1746	CODE:
		1747	{
		1748	dREQ (REQ_DB_COMPACT, 2);
		1749	req->db = db;
		1750	req->txn = txn;
		1751	if (start) sv_to_dbt (&req->dbt1, start);
		1752	if (stop ) sv_to_dbt (&req->dbt2, stop );
		1753	req->uint1 = flags;
		1754	REQ_SEND;
		1755	}
		1756
		1757	#endif
		1758
		1759	void
		1760	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1761	PREINIT:
		1762	CALLBACK
		1763	CODE:
		1764	{
		1765	dREQ (REQ_DB_SYNC, 1);
		1766	req->db = db;
		1767	req->uint1 = flags;
		1768	REQ_SEND;
		1769	}
		1770
		1771	void
		1772	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1773	PREINIT:
		1774	CALLBACK
		1775	CODE:
		1776	{
		1777	dREQ (REQ_DB_VERIFY, 1);
		1778	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1779	req->db = db;
		1780	req->buf1 = strdup (file);
		1781	req->buf2 = strdup_ornull (database);
		1782	req->uint1 = flags;
		1783	REQ_SEND;
		1784	}
		1785
		1786	void
		1787	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1788	PREINIT:
		1789	CALLBACK
		1790	CODE:
		1791	{
		1792	dREQ (REQ_DB_UPGRADE, 1);
		1793	req->db = db;
		1794	req->buf1 = strdup (file);
		1795	req->uint1 = flags;
		1796	REQ_SEND;
		1797	}
		1798
		1799	void
		1800	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1801	PREINIT:
		1802	CALLBACK
		1803	CODE:
		1804	{
		1805	dREQ (REQ_DB_KEY_RANGE, 2);
		1806	req->db = db;
		1807	req->txn = txn;
		1808	sv_to_dbt (&req->dbt1, key);
		1809	req->uint1 = flags;
		1810	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1811	REQ_SEND;
		1812	}
		1813
		1814	void
		1815	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1816	PREINIT:
		1817	CALLBACK
		1818	CODE:
		1819	{
		1820	dREQ (REQ_DB_PUT, 2);
		1821	req->db = db;
		1822	req->txn = txn;
		1823	sv_to_dbt (&req->dbt1, key);
		1824	sv_to_dbt (&req->dbt2, data);
		1825	req->uint1 = flags;
		1826	REQ_SEND;
		1827	}
		1828
		1829	#if DB_VERSION_MINOR >= 6
		1830
		1831	void
		1832	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1833	PREINIT:
		1834	CALLBACK
		1835	CODE:
		1836	{
		1837	dREQ (REQ_DB_EXISTS, 2);
		1838	req->db = db;
		1839	req->txn = txn;
		1840	req->uint1 = flags;
		1841	sv_to_dbt (&req->dbt1, key);
		1842	REQ_SEND;
		1843	}
		1844
		1845	#endif
		1846
		1847	void
		1848	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1849	PREINIT:
		1850	CALLBACK
		1851	CODE:
		1852	{
		1853	//TODO: key is somtimesmutable
		1854	dREQ (REQ_DB_GET, 2);
		1855	req->db = db;
		1856	req->txn = txn;
		1857	req->uint1 = flags;
		1858	sv_to_dbt (&req->dbt1, key);
		1859	req->dbt3.flags = DB_DBT_MALLOC;
		1860	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1861	REQ_SEND;
		1862	}
		1863
		1864	void
		1865	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1866	PREINIT:
		1867	CALLBACK
		1868	CODE:
		1869	{
		1870	//TODO: key is somtimesmutable
		1871	dREQ (REQ_DB_PGET, 2);
		1872	req->db = db;
		1873	req->txn = txn;
		1874	req->uint1 = flags;
		1875
		1876	sv_to_dbt (&req->dbt1, key);
		1877
		1878	req->dbt2.flags = DB_DBT_MALLOC;
		1879	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1880
		1881	req->dbt3.flags = DB_DBT_MALLOC;
		1882	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1883	REQ_SEND;
		1884	}
		1885
		1886	void
		1887	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1888	PREINIT:
		1889	CALLBACK
		1890	CODE:
		1891	{
		1892	dREQ (REQ_DB_DEL, 2);
		1893	req->db = db;
		1894	req->txn = txn;
		1895	req->uint1 = flags;
		1896	sv_to_dbt (&req->dbt1, key);
		1897	REQ_SEND;
		1898	}
		1899
		1900	void
		1901	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1902	PREINIT:
		1903	CALLBACK
		1904	CODE:
		1905	{
		1906	dREQ (REQ_TXN_COMMIT, 0);
		1907	ptr_nuke (ST (0));
		1908	req->txn = txn;
		1909	req->uint1 = flags;
		1910	REQ_SEND;
		1911	}
		1912
		1913	void
		1914	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1915	PREINIT:
		1916	CALLBACK
		1917	CODE:
		1918	{
		1919	dREQ (REQ_TXN_ABORT, 0);
		1920	ptr_nuke (ST (0));
		1921	req->txn = txn;
		1922	REQ_SEND;
		1923	}
		1924
		1925	void
		1926	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1927	PREINIT:
		1928	CALLBACK
		1929	CODE:
		1930	{
		1931	dREQ (REQ_TXN_FINISH, 0);
		1932	ptr_nuke (ST (0));
		1933	req->txn = txn;
		1934	req->uint1 = flags;
		1935	REQ_SEND;
		1936	}
		1937
		1938	void
		1939	db_c_close (DBC *dbc, SV *callback = 0)
		1940	PREINIT:
		1941	CALLBACK
		1942	CODE:
		1943	{
		1944	dREQ (REQ_C_CLOSE, 0);
		1945	ptr_nuke (ST (0));
		1946	req->dbc = dbc;
		1947	REQ_SEND;
		1948	}
		1949
		1950	void
		1951	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
		1954	CODE:
		1955	{
		1956	dREQ (REQ_C_COUNT, 1);
		1957	req->dbc = dbc;
		1958	req->sv1 = SvREFCNT_inc (count);
		1959	REQ_SEND;
		1960	}
		1961
		1962	void
		1963	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1964	PREINIT:
		1965	CALLBACK
		1966	CODE:
		1967	{
		1968	dREQ (REQ_C_PUT, 1);
		1969	req->dbc = dbc;
		1970	sv_to_dbt (&req->dbt1, key);
		1971	sv_to_dbt (&req->dbt2, data);
		1972	req->uint1 = flags;
		1973	REQ_SEND;
		1974	}
		1975
		1976	void
		1977	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1978	PREINIT:
		1979	CALLBACK
		1980	CODE:
		1981	{
		1982	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1983	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1984	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1985	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1986	"key",
		1987	"BDB::db_c_get");
		1988
		1989	{
		1990	dREQ (REQ_C_GET, 1);
		1991	req->dbc = dbc;
		1992	req->uint1 = flags;
		1993	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1994	sv_to_dbt (&req->dbt1, key);
		1995	else
		1996	{
		1997	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1998	sv_to_dbt (&req->dbt1, key);
		1999	else
		2000	req->dbt1.flags = DB_DBT_MALLOC;
		2001
		2002	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2003	}
		2004
		2005	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2006	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2007	sv_to_dbt (&req->dbt3, data);
		2008	else
		2009	req->dbt3.flags = DB_DBT_MALLOC;
		2010
		2011	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
942	REQ_SEND;	2012	REQ_SEND;
		2013	}
943	}	2014	}
		2015
		2016	void
		2017	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2018	PREINIT:
		2019	CALLBACK
		2020	CODE:
		2021	{
		2022	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2023	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2024	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2025	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2026	"key",
		2027	"BDB::db_c_pget");
		2028
		2029	{
		2030	dREQ (REQ_C_PGET, 1);
		2031	req->dbc = dbc;
		2032	req->uint1 = flags;
		2033	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2034	sv_to_dbt (&req->dbt1, key);
		2035	else
		2036	{
		2037	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2038	sv_to_dbt (&req->dbt1, key);
		2039	else
		2040	req->dbt1.flags = DB_DBT_MALLOC;
		2041
		2042	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2043	}
		2044
		2045	req->dbt2.flags = DB_DBT_MALLOC;
		2046	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2047
		2048	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2049	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2050	sv_to_dbt (&req->dbt3, data);
		2051	else
		2052	req->dbt3.flags = DB_DBT_MALLOC;
		2053
		2054	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2055	REQ_SEND;
		2056	}
		2057	}
		2058
		2059	void
		2060	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2061	PREINIT:
		2062	CALLBACK
		2063	CODE:
		2064	{
		2065	dREQ (REQ_C_DEL, 1);
		2066	req->dbc = dbc;
		2067	req->uint1 = flags;
		2068	REQ_SEND;
		2069	}
		2070
		2071
		2072	#if DB_VERSION_MINOR >= 3
		2073
		2074	void
		2075	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2076	PREINIT:
		2077	CALLBACK
		2078	CODE:
		2079	{
		2080	dREQ (REQ_SEQ_OPEN, 2);
		2081	req->seq = seq;
		2082	req->txn = txnid;
		2083	req->uint1 = flags | DB_THREAD;
		2084	sv_to_dbt (&req->dbt1, key);
		2085	REQ_SEND;
		2086	}
		2087
		2088	void
		2089	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2090	PREINIT:
		2091	CALLBACK
		2092	CODE:
		2093	{
		2094	dREQ (REQ_SEQ_CLOSE, 0);
		2095	ptr_nuke (ST (0));
		2096	req->seq = seq;
		2097	req->uint1 = flags;
		2098	REQ_SEND;
		2099	}
		2100
		2101	void
		2102	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2103	PREINIT:
		2104	CALLBACK
		2105	CODE:
		2106	{
		2107	dREQ (REQ_SEQ_GET, 2);
		2108	req->seq = seq;
		2109	req->txn = txnid;
		2110	req->int1 = delta;
		2111	req->uint1 = flags;
		2112	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2113	REQ_SEND;
		2114	}
		2115
		2116	void
		2117	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2118	PREINIT:
		2119	CALLBACK
		2120	CODE:
		2121	{
		2122	dREQ (REQ_SEQ_REMOVE, 2);
		2123	req->seq = seq;
		2124	req->txn = txnid;
		2125	req->uint1 = flags;
		2126	REQ_SEND;
		2127	}
		2128
		2129	#endif
944		2130
945		2131
946	MODULE = BDB PACKAGE = BDB::Env	2132	MODULE = BDB PACKAGE = BDB::Env
947		2133
		2134	void
		2135	DESTROY (DB_ENV_ornuked *env)
		2136	CODE:
		2137	if (env)
		2138	env->close (env, 0);
		2139
		2140	int set_data_dir (DB_ENV *env, const char *dir)
		2141	CODE:
		2142	RETVAL = env->set_data_dir (env, dir);
		2143	OUTPUT:
		2144	RETVAL
		2145
		2146	int set_tmp_dir (DB_ENV *env, const char *dir)
		2147	CODE:
		2148	RETVAL = env->set_tmp_dir (env, dir);
		2149	OUTPUT:
		2150	RETVAL
		2151
		2152	int set_lg_dir (DB_ENV *env, const char *dir)
		2153	CODE:
		2154	RETVAL = env->set_lg_dir (env, dir);
		2155	OUTPUT:
		2156	RETVAL
		2157
		2158	int set_shm_key (DB_ENV *env, long shm_key)
		2159	CODE:
		2160	RETVAL = env->set_shm_key (env, shm_key);
		2161	OUTPUT:
		2162	RETVAL
		2163
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2164	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		2165	CODE:
		2166	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		2167	OUTPUT:
		2168	RETVAL
949		2169
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	2170	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		2171	CODE:
		2172	RETVAL = env->set_flags (env, flags, onoff);
		2173	OUTPUT:
		2174	RETVAL
951		2175
		2176	#if DB_VERSION_MINOR >= 7
		2177
		2178	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2179	CODE:
		2180	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2181	OUTPUT:
		2182	RETVAL
		2183
		2184	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2185	CODE:
		2186	RETVAL = env->log_set_config (env, flags, onoff);
		2187	OUTPUT:
		2188	RETVAL
		2189
		2190	#endif
		2191
		2192
		2193	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2194	CODE:
		2195	env->set_errfile (env, errfile);
		2196
		2197	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2198	CODE:
		2199	env->set_msgfile (env, msgfile);
		2200
		2201	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2202	CODE:
		2203	RETVAL = env->set_verbose (env, which, onoff);
		2204	OUTPUT:
		2205	RETVAL
		2206
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	2207	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		2208	CODE:
		2209	RETVAL = env->set_encrypt (env, password, flags);
		2210	OUTPUT:
		2211	RETVAL
		2212
		2213	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2214	CODE:
		2215	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		2216	OUTPUT:
		2217	RETVAL
		2218
		2219	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2220	CODE:
		2221	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2222	OUTPUT:
		2223	RETVAL
		2224
		2225	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2226	CODE:
		2227	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2228	OUTPUT:
		2229	RETVAL
		2230
		2231	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2232	CODE:
		2233	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2234	OUTPUT:
		2235	RETVAL
		2236
		2237	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2238	CODE:
		2239	RETVAL = env->set_lk_detect (env, detect);
		2240	OUTPUT:
		2241	RETVAL
		2242
		2243	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2244	CODE:
		2245	RETVAL = env->set_lk_max_lockers (env, max);
		2246	OUTPUT:
		2247	RETVAL
		2248
		2249	int set_lk_max_locks (DB_ENV *env, U32 max)
		2250	CODE:
		2251	RETVAL = env->set_lk_max_locks (env, max);
		2252	OUTPUT:
		2253	RETVAL
		2254
		2255	int set_lk_max_objects (DB_ENV *env, U32 max)
		2256	CODE:
		2257	RETVAL = env->set_lk_max_objects (env, max);
		2258	OUTPUT:
		2259	RETVAL
		2260
		2261	int set_lg_bsize (DB_ENV *env, U32 max)
		2262	CODE:
		2263	RETVAL = env->set_lg_bsize (env, max);
		2264	OUTPUT:
		2265	RETVAL
		2266
		2267	int set_lg_max (DB_ENV *env, U32 max)
		2268	CODE:
		2269	RETVAL = env->set_lg_max (env, max);
		2270	OUTPUT:
		2271	RETVAL
		2272
		2273	#if DB_VERSION_MINOR >= 4
		2274
		2275	int mutex_set_max (DB_ENV *env, U32 max)
		2276	CODE:
		2277	RETVAL = env->mutex_set_max (env, max);
		2278	OUTPUT:
		2279	RETVAL
		2280
		2281	int mutex_set_increment (DB_ENV *env, U32 increment)
		2282	CODE:
		2283	RETVAL = env->mutex_set_increment (env, increment);
		2284	OUTPUT:
		2285	RETVAL
		2286
		2287	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2288	CODE:
		2289	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2290	OUTPUT:
		2291	RETVAL
		2292
		2293	int mutex_set_align (DB_ENV *env, U32 align)
		2294	CODE:
		2295	RETVAL = env->mutex_set_align (env, align);
		2296	OUTPUT:
		2297	RETVAL
		2298
		2299	#endif
		2300
		2301	DB_TXN *
		2302	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2303	CODE:
		2304	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2305	if (errno)
		2306	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2307	OUTPUT:
		2308	RETVAL
		2309
		2310	#if DB_VERSION_MINOR >= 5
		2311
		2312	DB_TXN *
		2313	cdsgroup_begin (DB_ENV *env)
		2314	CODE:
		2315	errno = env->cdsgroup_begin (env, &RETVAL);
		2316	if (errno)
		2317	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2318	OUTPUT:
		2319	RETVAL
		2320
		2321	#endif
953		2322
954	MODULE = BDB PACKAGE = BDB::Db	2323	MODULE = BDB PACKAGE = BDB::Db
955		2324
		2325	void
		2326	DESTROY (DB_ornuked *db)
		2327	CODE:
		2328	if (db)
		2329	{
		2330	SV *env = (SV *)db->app_private;
		2331	db->close (db, 0);
		2332	SvREFCNT_dec (env);
		2333	}
		2334
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2335	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		2336	CODE:
		2337	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		2338	OUTPUT:
		2339	RETVAL
957		2340
		2341	int set_pagesize (DB *db, U32 pagesize)
		2342	CODE:
		2343	RETVAL = db->set_pagesize (db, pagesize);
		2344	OUTPUT:
		2345	RETVAL
		2346
958	int set_flags (DB *env, U32 flags, int onoff)	2347	int set_flags (DB *db, U32 flags)
		2348	CODE:
		2349	RETVAL = db->set_flags (db, flags);
		2350	OUTPUT:
		2351	RETVAL
959		2352
960	int set_encrypt (DB *db, const char *password, U32 flags)	2353	int set_encrypt (DB *db, const char *password, U32 flags)
		2354	CODE:
		2355	RETVAL = db->set_encrypt (db, password, flags);
		2356	OUTPUT:
		2357	RETVAL
961		2358
962	int set_lorder (DB *db, int lorder)	2359	int set_lorder (DB *db, int lorder)
963		2360	CODE:
		2361	RETVAL = db->set_lorder (db, lorder);
		2362	OUTPUT:
		2363	RETVAL
964		2364
965	int set_bt_minkey (DB *db, U32 minkey)	2365	int set_bt_minkey (DB *db, U32 minkey)
		2366	CODE:
		2367	RETVAL = db->set_bt_minkey (db, minkey);
		2368	OUTPUT:
		2369	RETVAL
966		2370
967	int set_re_delim(DB *db, int delim);	2371	int set_re_delim (DB *db, int delim)
		2372	CODE:
		2373	RETVAL = db->set_re_delim (db, delim);
		2374	OUTPUT:
		2375	RETVAL
968		2376
969	int set_re_pad (DB *db, int re_pad)	2377	int set_re_pad (DB *db, int re_pad)
		2378	CODE:
		2379	RETVAL = db->set_re_pad (db, re_pad);
		2380	OUTPUT:
		2381	RETVAL
970		2382
971	int set_re_source (DB *db, char *source)	2383	int set_re_source (DB *db, char *source)
		2384	CODE:
		2385	RETVAL = db->set_re_source (db, source);
		2386	OUTPUT:
		2387	RETVAL
972		2388
973	int set_re_len (DB *db, U32 re_len)	2389	int set_re_len (DB *db, U32 re_len)
		2390	CODE:
		2391	RETVAL = db->set_re_len (db, re_len);
		2392	OUTPUT:
		2393	RETVAL
974		2394
975	int set_h_ffactor (DB *db, U32 h_ffactor)	2395	int set_h_ffactor (DB *db, U32 h_ffactor)
		2396	CODE:
		2397	RETVAL = db->set_h_ffactor (db, h_ffactor);
		2398	OUTPUT:
		2399	RETVAL
976		2400
977	int set_h_nelem (DB *db, U32 h_nelem)	2401	int set_h_nelem (DB *db, U32 h_nelem)
		2402	CODE:
		2403	RETVAL = db->set_h_nelem (db, h_nelem);
		2404	OUTPUT:
		2405	RETVAL
978		2406
979	int set_q_extentsize (DB *db, U32 extentsize)	2407	int set_q_extentsize (DB *db, U32 extentsize)
		2408	CODE:
		2409	RETVAL = db->set_q_extentsize (db, extentsize);
		2410	OUTPUT:
		2411	RETVAL
980		2412
		2413	DBC *
		2414	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2415	CODE:
		2416	errno = db->cursor (db, txn, &RETVAL, flags);
		2417	if (errno)
		2418	croak ("DB->cursor: %s", db_strerror (errno));
		2419	OUTPUT:
		2420	RETVAL
981		2421
		2422	#if DB_VERSION_MINOR >= 3
		2423
		2424	DB_SEQUENCE *
		2425	sequence (DB *db, U32 flags = 0)
		2426	CODE:
		2427	{
		2428	errno = db_sequence_create (&RETVAL, db, flags);
		2429	if (errno)
		2430	croak ("db_sequence_create: %s", db_strerror (errno));
		2431	}
		2432	OUTPUT:
		2433	RETVAL
		2434
		2435	#endif
		2436
		2437
		2438	MODULE = BDB PACKAGE = BDB::Txn
		2439
		2440	void
		2441	DESTROY (DB_TXN_ornuked *txn)
		2442	CODE:
		2443	if (txn)
		2444	txn->abort (txn);
		2445
		2446	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2447	CODE:
		2448	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2449	OUTPUT:
		2450	RETVAL
		2451
		2452	int failed (DB_TXN *txn)
		2453	CODE:
		2454	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2455	OUTPUT:
		2456	RETVAL
		2457
		2458
		2459	MODULE = BDB PACKAGE = BDB::Cursor
		2460
		2461	void
		2462	DESTROY (DBC_ornuked *dbc)
		2463	CODE:
		2464	if (dbc)
		2465	dbc->c_close (dbc);
		2466
		2467	#if DB_VERSION_MINOR >= 6
		2468
		2469	int set_priority (DBC *dbc, int priority)
		2470	CODE:
		2471	dbc->set_priority (dbc, priority);
		2472
		2473	#endif
		2474
		2475	#if DB_VERSION_MINOR >= 3
		2476
		2477	MODULE = BDB PACKAGE = BDB::Sequence
		2478
		2479	void
		2480	DESTROY (DB_SEQUENCE_ornuked *seq)
		2481	CODE:
		2482	if (seq)
		2483	seq->close (seq, 0);
		2484
		2485	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2486	CODE:
		2487	RETVAL = seq->initial_value (seq, value);
		2488	OUTPUT:
		2489	RETVAL
		2490
		2491	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2492	CODE:
		2493	RETVAL = seq->set_cachesize (seq, size);
		2494	OUTPUT:
		2495	RETVAL
		2496
		2497	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2498	CODE:
		2499	RETVAL = seq->set_flags (seq, flags);
		2500	OUTPUT:
		2501	RETVAL
		2502
		2503	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2504	CODE:
		2505	RETVAL = seq->set_range (seq, min, max);
		2506	OUTPUT:
		2507	RETVAL
		2508
		2509	#endif
		2510
		2511

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