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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 1.52 by root, Thu Sep 25 13:44:44 2008 UTC

1	/* solaris */	1	#include <sys/user.h>
2	#define _POSIX_PTHREAD_SEMANTICS 1	2	#include <sys/ptrace.h>
3		3
4	#if __linux && !defined(_GNU_SOURCE)	4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5	# define _GNU_SOURCE
6	#endif
7		5
8	/* just in case */	6	#include "xthread.h"
9	#define _REENTRANT 1
10		7
11	#include <errno.h>	8	#include <errno.h>
12		9
13	#include "EXTERN.h"	10	#include "EXTERN.h"
14	#include "perl.h"	11	#include "perl.h"
15	#include "XSUB.h"	12	#include "XSUB.h"
16		13
17	#include <pthread.h>	14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
18		22
19	#include <stddef.h>	23	#include <stddef.h>
20	#include <stdlib.h>	24	#include <stdlib.h>
21	#include <errno.h>	25	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	26	#include <sys/types.h>
24	#include <limits.h>	27	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	28	#include <fcntl.h>
27		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
28	#include <db.h>	35	#include <db.h>
		36
		37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		39	#endif
29		40
30	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
32		43
33	/* wether word reads are potentially non-atomic.	44	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	45	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	46	typedef DBC DBC_ornull;
36	*/	47	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	48
38	# if __i386 || __x86_64	49	typedef DB_ENV DB_ENV_ornuked;
39	# define WORDACCESS_UNSAFE 0	50	typedef DB_TXN DB_TXN_ornuked;
40	# else	51	typedef DBC DBC_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB DB_ornuked;
42	# endif	53
		54	#if DB_VERSION_MINOR >= 3
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
43	#endif	57	#endif
44		58
45	typedef SV SV8; /* byte-sv, used for argument-checking */	59	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	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
		141	SvREFCNT_dec (sv);
		142	}
		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
		145	free (dbt->data);
		146	}
		147
47	enum	148	enum {
48	{
49	REQ_QUIT,	149	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
52	};	157	};
53		158
54	typedef struct aio_cb	159	typedef struct bdb_cb
55	{	160	{
56	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
57	SV *callback;	162	SV *callback;
58	int type, pri, errorno;	163	int type, pri, result;
59		164
60	DB_ENV *env;	165	DB_ENV *env;
61	DB *db;	166	DB *db;
62	DB_TXN *txn;	167	DB_TXN *txn;
63	DBC *cursor;	168	DBC *dbc;
		169
		170	UV uv1;
64	int int1, int2;	171	int int1, int2;
65	U32 uint1, uint2;	172	U32 uint1, uint2;
66	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
67	} aio_cb;	174	SV *sv1, *sv2, *sv3;
68		175
		176	DBT dbt1, dbt2, dbt3;
		177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
		179	DB_SEQUENCE *seq;
		180	db_seq_t seq_t;
		181	#endif
		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
69	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
70		187
71	enum {	188	enum {
72	PRI_MIN = -4,	189	PRI_MIN = -4,
73	PRI_MAX = 4,	190	PRI_MAX = 4,
74		191
…		…
77	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
78	};	195	};
79		196
80	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
81		198
		199	static SV *on_next_submit;
		200
82	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
83	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
84		203
85	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
86	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
91		210
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		212
94	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
95		214
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 */	215	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
107		217
108	typedef struct worker {	218	typedef struct worker {
109	/* locked by wrklock */	219	/* locked by wrklock */
110	struct worker *prev, *next;	220	struct worker *prev, *next;
111		221
112	pthread_t tid;	222	thread_t tid;
113		223
114	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
116	void *dbuf;	226	void *dbuf;
117	DIR *dirp;	227	DIR *dirp;
118	} worker;	228	} worker;
119		229
120	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
132	}	242	}
133		243
134	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
138		248
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
142		252
143	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
144		254
145	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
146	{	256	{
147	unsigned int retval;	257	unsigned int retval;
148		258
149	LOCK (reqlock);	259	X_LOCK (reqlock);
150	retval = nready;	260	retval = nready;
151	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
152		262
153	return retval;	263	return retval;
154	}	264	}
155		265
156	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
157	{	267	{
158	unsigned int retval;	268	unsigned int retval;
159		269
160	LOCK (reslock);	270	X_LOCK (reslock);
161	retval = npending;	271	retval = npending;
162	UNLOCK (reslock);	272	X_UNLOCK (reslock);
163		273
164	return retval;	274	return retval;
165	}	275	}
166		276
167	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
168	{	278	{
169	unsigned int retval;	279	unsigned int retval;
170		280
171	LOCK (wrklock);	281	X_LOCK (wrklock);
172	retval = started;	282	retval = started;
173	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
174		284
175	return retval;	285	return retval;
176	}	286	}
177		287
178	#else	288	#else
…		…
187	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
188	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
189	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
190	*/	300	*/
191	typedef struct {	301	typedef struct {
192	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
193	int size;	303	int size;
194	} reqq;	304	} reqq;
195		305
196	static reqq req_queue;	306	static reqq req_queue;
197	static reqq res_queue;	307	static reqq res_queue;
198		308
199	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
200	{	310	{
201	int pri = req->pri;	311	int pri = req->pri;
202	req->next = 0;	312	req->next = 0;
203		313
204	if (q->qe[pri])	314	if (q->qe[pri])
…		…
210	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
211		321
212	return q->size++;	322	return q->size++;
213	}	323	}
214		324
215	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
216	{	326	{
217	int pri;	327	int pri;
218		328
219	if (!q->size)	329	if (!q->size)
220	return 0;	330	return 0;
221		331
222	--q->size;	332	--q->size;
223		333
224	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
225	{	335	{
226	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
227		337
228	if (req)	338	if (req)
229	{	339	{
230	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
231	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
235	}	345	}
236		346
237	abort ();	347	abort ();
238	}	348	}
239		349
240	static int poll_cb ();	350	static int poll_cb (void);
241	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
242	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
243		353
244	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
245	{	355	{
246	dSP;	356	dSP;
247		357
248	if (SvOK (req->callback))	358	if (req->callback)
249	{	359	{
250	ENTER;	360	ENTER;
251	SAVETMPS;	361	SAVETMPS;
252	PUSHMARK (SP);	362	PUSHMARK (SP);
253	EXTEND (SP, 1);
254		363
255	switch (req->type)	364	switch (req->type)
256	{	365	{
		366	case REQ_DB_CLOSE:
		367	SvREFCNT_dec (req->sv1);
		368	break;
		369
		370	case REQ_DB_GET:
		371	case REQ_DB_PGET:
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_C_GET:
		376	case REQ_C_PGET:
		377	dbt_to_sv (req->sv1, &req->dbt1);
		378	dbt_to_sv (req->sv2, &req->dbt2);
		379	dbt_to_sv (req->sv3, &req->dbt3);
		380	break;
		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
		388	case REQ_DB_KEY_RANGE:
		389	{
		390	AV *av = newAV ();
		391
		392	av_push (av, newSVnv (req->key_range.less));
		393	av_push (av, newSVnv (req->key_range.equal));
		394	av_push (av, newSVnv (req->key_range.greater));
		395
		396	SvREADONLY_off (req->sv1);
		397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
257	}	414	}
		415
		416	errno = req->result;
258		417
259	PUTBACK;	418	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	419	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	420	SPAGAIN;
262		421
…		…
265	}	424	}
266		425
267	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
268	}	427	}
269		428
270	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
271	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
272	free (req->buf1);	436	free (req->buf1);
273	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
274	Safefree (req);	440	Safefree (req);
275	}	441	}
276		442
277	static void *aio_proc(void *arg);	443	#ifdef USE_SOCKETS_AS_HANDLES
		444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		445	#else
		446	# define TO_SOCKET(x) (x)
		447	#endif
		448
		449	static void
		450	create_respipe (void)
		451	{
		452	#ifdef _WIN32
		453	int arg; /* argg */
		454	#endif
		455	int old_readfd = respipe [0];
		456
		457	if (respipe [1] >= 0)
		458	respipe_close (TO_SOCKET (respipe [1]));
		459
		460	#ifdef _WIN32
		461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		462	#else
		463	if (pipe (respipe))
		464	#endif
		465	croak ("unable to initialize result pipe");
		466
		467	if (old_readfd >= 0)
		468	{
		469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		470	croak ("unable to initialize result pipe(2)");
		471
		472	respipe_close (respipe [0]);
		473	respipe [0] = old_readfd;
		474	}
		475
		476	#ifdef _WIN32
		477	arg = 1;
		478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		480	#else
		481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		483	#endif
		484	croak ("unable to initialize result pipe(3)");
		485
		486	respipe_osf [0] = TO_SOCKET (respipe [0]);
		487	respipe_osf [1] = TO_SOCKET (respipe [1]);
		488	}
		489
		490	X_THREAD_PROC (bdb_proc);
278		491
279	static void start_thread (void)	492	static void start_thread (void)
280	{	493	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	494	worker *wrk = calloc (1, sizeof (worker));
285		495
286	if (!wrk)	496	if (!wrk)
287	croak ("unable to allocate worker thread data");	497	croak ("unable to allocate worker thread data");
288		498
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);	499	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	500	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	501	{
302	wrk->prev = &wrk_first;	502	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	503	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	504	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	505	wrk_first.next = wrk;
306	++started;	506	++started;
307	}	507	}
308	else	508	else
309	free (wrk);	509	free (wrk);
310		510
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
313	}	512	}
314		513
315	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
316	{	515	{
317	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
318	return;	517	return;
319		518
320	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
322	return;	521	return;
323		522
324	start_thread ();	523	start_thread ();
325	}	524	}
326		525
327	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
328	{	527	{
		528	SV *wait_callback = 0;
		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
		543	// synthesize callback if none given
		544	if (!req->callback)
		545	{
		546	int count;
		547
		548	dSP;
		549	PUSHMARK (SP);
		550	PUTBACK;
		551	count = call_sv (prepare_cb, G_ARRAY);
		552	SPAGAIN;
		553
		554	if (count != 2)
		555	croak ("prepare callback must return exactly two values\n");
		556
		557	wait_callback = POPs;
		558	req->callback = SvREFCNT_inc (POPs);
		559	}
		560
329	++nreqs;	561	++nreqs;
330		562
331	LOCK (reqlock);	563	X_LOCK (reqlock);
332	++nready;	564	++nready;
333	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
336		568
337	maybe_start_thread ();	569	maybe_start_thread ();
		570
		571	if (wait_callback)
		572	{
		573	dSP;
		574	PUSHMARK (SP);
		575	PUTBACK;
		576	call_sv (wait_callback, G_DISCARD);
		577	}
338	}	578	}
339		579
340	static void end_thread (void)	580	static void end_thread (void)
341	{	581	{
342	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
343
344	Newz (0, req, 1, aio_cb);
345		583
346	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
348		586
349	LOCK (reqlock);	587	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	588	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	589	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	590	X_UNLOCK (reqlock);
353		591
354	LOCK (wrklock);	592	X_LOCK (wrklock);
355	--started;	593	--started;
356	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
357	}	595	}
358		596
359	static void set_max_idle (int nthreads)	597	static void set_max_idle (int nthreads)
360	{	598	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	599	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	600	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	602	}
365		603
366	static void min_parallel (int nthreads)	604	static void min_parallel (int nthreads)
367	{	605	{
368	if (wanted < nthreads)	606	if (wanted < nthreads)
…		…
376		614
377	while (started > wanted)	615	while (started > wanted)
378	end_thread ();	616	end_thread ();
379	}	617	}
380		618
381	static void poll_wait ()	619	static void poll_wait (void)
382	{	620	{
383	fd_set rfd;	621	fd_set rfd;
384		622
385	while (nreqs)	623	while (nreqs)
386	{	624	{
387	int size;	625	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	627	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		629
392	if (size)	630	if (size)
393	return;	631	return;
394		632
395	maybe_start_thread ();	633	maybe_start_thread ();
396		634
397	FD_ZERO(&rfd);	635	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	636	FD_SET (respipe [0], &rfd);
399		637
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	638	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	639	}
402	}	640	}
403		641
404	static int poll_cb ()	642	static int poll_cb (void)
405	{	643	{
406	dSP;	644	dSP;
407	int count = 0;	645	int count = 0;
408	int maxreqs = max_poll_reqs;	646	int maxreqs = max_poll_reqs;
409	int do_croak = 0;	647	int do_croak = 0;
410	struct timeval tv_start, tv_now;	648	struct timeval tv_start, tv_now;
411	aio_req req;	649	bdb_req req;
412		650
413	if (max_poll_time)	651	if (max_poll_time)
414	gettimeofday (&tv_start, 0);	652	gettimeofday (&tv_start, 0);
415		653
416	for (;;)	654	for (;;)
417	{	655	{
418	for (;;)	656	for (;;)
419	{	657	{
420	maybe_start_thread ();	658	maybe_start_thread ();
421		659
422	LOCK (reslock);	660	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	661	req = reqq_shift (&res_queue);
424		662
425	if (req)	663	if (req)
426	{	664	{
427	--npending;	665	--npending;
428		666
429	if (!res_queue.size)	667	if (!res_queue.size)
430	{	668	{
431	/* read any signals sent by the worker threads */	669	/* read any signals sent by the worker threads */
432	char buf [4];	670	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	671	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	672	;
435	}	673	}
436	}	674	}
437		675
438	UNLOCK (reslock);	676	X_UNLOCK (reslock);
439		677
440	if (!req)	678	if (!req)
441	break;	679	break;
442		680
443	--nreqs;	681	--nreqs;
…		…
473	}	711	}
474		712
475	return count;	713	return count;
476	}	714	}
477		715
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	/*****************************************************************************/	716	/*****************************************************************************/
491		717
492	static void *aio_proc (void *thr_arg)	718	static void
		719	bdb_request (bdb_req req)
493	{	720	{
		721	switch (req->type)
		722	{
		723	case REQ_ENV_OPEN:
		724	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		725	break;
		726
		727	case REQ_ENV_CLOSE:
		728	req->result = req->env->close (req->env, req->uint1);
		729	break;
		730
		731	case REQ_ENV_TXN_CHECKPOINT:
		732	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		733	break;
		734
		735	case REQ_ENV_LOCK_DETECT:
		736	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		737	break;
		738
		739	case REQ_ENV_MEMP_SYNC:
		740	req->result = req->env->memp_sync (req->env, 0);
		741	break;
		742
		743	case REQ_ENV_MEMP_TRICKLE:
		744	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		745	break;
		746
		747	case REQ_ENV_DBREMOVE:
		748	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		749	break;
		750
		751	case REQ_ENV_DBRENAME:
		752	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		753	break;
		754
		755	case REQ_DB_OPEN:
		756	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		757	break;
		758
		759	case REQ_DB_CLOSE:
		760	req->result = req->db->close (req->db, req->uint1);
		761	break;
		762
		763	#if DB_VERSION_MINOR >= 4
		764	case REQ_DB_COMPACT:
		765	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		766	break;
		767	#endif
		768
		769	case REQ_DB_SYNC:
		770	req->result = req->db->sync (req->db, req->uint1);
		771	break;
		772
		773	case REQ_DB_UPGRADE:
		774	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		775	break;
		776
		777	case REQ_DB_PUT:
		778	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		779	break;
		780
		781	#if DB_VERSION_MINOR >= 6
		782	case REQ_DB_EXISTS:
		783	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		784	break;
		785	#endif
		786	case REQ_DB_GET:
		787	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		788	break;
		789
		790	case REQ_DB_PGET:
		791	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_DB_DEL:
		795	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		796	break;
		797
		798	case REQ_DB_KEY_RANGE:
		799	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		800	break;
		801
		802	case REQ_TXN_COMMIT:
		803	req->result = req->txn->commit (req->txn, req->uint1);
		804	break;
		805
		806	case REQ_TXN_ABORT:
		807	req->result = req->txn->abort (req->txn);
		808	break;
		809
		810	case REQ_TXN_FINISH:
		811	if (req->txn->flags & TXN_DEADLOCK)
		812	{
		813	req->result = req->txn->abort (req->txn);
		814	if (!req->result)
		815	req->result = DB_LOCK_DEADLOCK;
		816	}
		817	else
		818	req->result = req->txn->commit (req->txn, req->uint1);
		819	break;
		820
		821	case REQ_C_CLOSE:
		822	req->result = req->dbc->c_close (req->dbc);
		823	break;
		824
		825	case REQ_C_COUNT:
		826	{
		827	db_recno_t recno;
		828	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		829	req->uv1 = recno;
		830	}
		831	break;
		832
		833	case REQ_C_PUT:
		834	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		835	break;
		836
		837	case REQ_C_GET:
		838	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		839	break;
		840
		841	case REQ_C_PGET:
		842	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		843	break;
		844
		845	case REQ_C_DEL:
		846	req->result = req->dbc->c_del (req->dbc, req->uint1);
		847	break;
		848
		849	#if DB_VERSION_MINOR >= 3
		850	case REQ_SEQ_OPEN:
		851	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		852	break;
		853
		854	case REQ_SEQ_CLOSE:
		855	req->result = req->seq->close (req->seq, req->uint1);
		856	break;
		857
		858	case REQ_SEQ_GET:
		859	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_REMOVE:
		863	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		864	break;
		865	#endif
		866
		867	default:
		868	req->result = ENOSYS;
		869	break;
		870	}
		871
		872	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		873	req->txn->flags |= TXN_DEADLOCK;
		874	}
		875
		876	X_THREAD_PROC (bdb_proc)
		877	{
494	aio_req req;	878	bdb_req req;
495	struct timespec ts;	879	struct timespec ts;
496	worker *self = (worker *)thr_arg;	880	worker *self = (worker *)thr_arg;
497		881
498	/* try to distribute timeouts somewhat evenly */	882	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	883	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		884
502	for (;;)	885	for (;;)
503	{	886	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	887	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		888
506	LOCK (reqlock);	889	X_LOCK (reqlock);
507		890
508	for (;;)	891	for (;;)
509	{	892	{
510	self->req = req = reqq_shift (&req_queue);	893	self->req = req = reqq_shift (&req_queue);
511		894
512	if (req)	895	if (req)
513	break;	896	break;
514		897
515	++idle;	898	++idle;
516		899
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	900	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	901	== ETIMEDOUT)
519	{	902	{
520	if (idle > max_idle)	903	if (idle > max_idle)
521	{	904	{
522	--idle;	905	--idle;
523	UNLOCK (reqlock);	906	X_UNLOCK (reqlock);
524	LOCK (wrklock);	907	X_LOCK (wrklock);
525	--started;	908	--started;
526	UNLOCK (wrklock);	909	X_UNLOCK (wrklock);
527	goto quit;	910	goto quit;
528	}	911	}
529		912
530	/* we are allowed to idle, so do so without any timeout */	913	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	914	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	915	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	916	}
534		917
535	--idle;	918	--idle;
536	}	919	}
537		920
538	--nready;	921	--nready;
539		922
540	UNLOCK (reqlock);	923	X_UNLOCK (reqlock);
541
542	errno = 0; /* strictly unnecessary */
543		924
544	switch (req->type)	925	if (req->type == REQ_QUIT)
545	{	926	{
546	case REQ_QUIT:	927	X_LOCK (reslock);
		928	free (req);
		929	self->req = 0;
		930	X_UNLOCK (reslock);
		931
547	goto quit;	932	goto quit;
548
549	default:
550	//req->result = ENOSYS;
551	break;
552	}	933	}
553		934
554	//req->errorno = errno;	935	bdb_request (req);
555		936
556	LOCK (reslock);	937	X_LOCK (reslock);
557		938
558	++npending;	939	++npending;
559		940
560	if (!reqq_push (&res_queue, req))	941	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	942	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	943	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		944
564	self->req = 0;	945	self->req = 0;
565	worker_clear (self);	946	worker_clear (self);
566		947
567	UNLOCK (reslock);	948	X_UNLOCK (reslock);
568	}	949	}
569		950
570	quit:	951	quit:
571	LOCK (wrklock);	952	X_LOCK (wrklock);
572	worker_free (self);	953	worker_free (self);
573	UNLOCK (wrklock);	954	X_UNLOCK (wrklock);
574		955
575	return 0;	956	return 0;
576	}	957	}
577		958
578	/*****************************************************************************/	959	/*****************************************************************************/
579		960
580	static void atfork_prepare (void)	961	static void atfork_prepare (void)
581	{	962	{
582	LOCK (wrklock);	963	X_LOCK (wrklock);
583	LOCK (reqlock);	964	X_LOCK (reqlock);
584	LOCK (reslock);	965	X_LOCK (reslock);
585	}	966	}
586		967
587	static void atfork_parent (void)	968	static void atfork_parent (void)
588	{	969	{
589	UNLOCK (reslock);	970	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	971	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	972	X_UNLOCK (wrklock);
592	}	973	}
593		974
594	static void atfork_child (void)	975	static void atfork_child (void)
595	{	976	{
596	aio_req prv;	977	bdb_req prv;
597		978
598	while (prv = reqq_shift (&req_queue))	979	while (prv = reqq_shift (&req_queue))
599	req_free (prv);	980	req_free (prv);
600		981
601	while (prv = reqq_shift (&res_queue))	982	while (prv = reqq_shift (&res_queue))
…		…
616	idle = 0;	997	idle = 0;
617	nreqs = 0;	998	nreqs = 0;
618	nready = 0;	999	nready = 0;
619	npending = 0;	1000	npending = 0;
620		1001
621	close (respipe [0]);
622	close (respipe [1]);
623	create_pipe ();	1002	create_respipe ();
624		1003
625	atfork_parent ();	1004	atfork_parent ();
626	}	1005	}
627		1006
628	#define dREQ(reqtype) \	1007	#define dREQ(reqtype,rsvcnt) \
629	aio_req req; \	1008	bdb_req req; \
630	int req_pri = next_pri; \	1009	int req_pri = next_pri; \
631	next_pri = DEFAULT_PRI + PRI_BIAS; \	1010	next_pri = DEFAULT_PRI + PRI_BIAS; \
632	\	1011	\
633	if (SvOK (callback) && !SvROK (callback)) \	1012	if (callback && SvOK (callback)) \
634	croak ("callback must be undef or of reference type"); \	1013	croak ("callback has illegal type or extra arguments"); \
635	\	1014	\
636	Newz (0, req, 1, aio_cb); \	1015	Newz (0, req, 1, bdb_cb); \
637	if (!req) \	1016	if (!req) \
638	croak ("out of memory during aio_req allocation"); \	1017	croak ("out of memory during bdb_req allocation"); \
639	\	1018	\
640	req->callback = newSVsv (callback); \	1019	req->callback = SvREFCNT_inc (cb); \
641	req->type = (reqtype); \	1020	req->type = (reqtype); \
642	req->pri = req_pri	1021	req->pri = req_pri; \
		1022	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1023	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1024	(void)0;
643		1025
644	#define REQ_SEND \	1026	#define REQ_SEND \
645	req_send (req)	1027	req_send (req)
646		1028
647	#define SvPTR(var, arg, type, class) \	1029	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	1030	if (!SvOK (arg)) \
		1031	{ \
		1032	if (nullok != 1) \
		1033	croak (# var " must be a " # class " object, not undef"); \
		1034	\
649	(var) = 0; \	1035	(var) = 0; \
		1036	} \
650	else if (sv_derived_from ((arg), # class)) \	1037	else if (sv_derived_from ((arg), # class)) \
651	{ \	1038	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	1039	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	1040	(var) = INT2PTR (type, tmp); \
		1041	if (!var && nullok != 2) \
		1042	croak (# var " is not a valid " # class " object anymore"); \
654	} \	1043	} \
655	else \	1044	else \
656	Perl_croak (# var " is not of type " # type)	1045	croak (# var " is not of type " # class);
657		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	/* stupid windoes defined CALLBACK as well */
		1127	#undef CALLBACK
		1128	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1129
658	MODULE = BDB PACKAGE = BDB	1130	MODULE = BDB PACKAGE = BDB
659		1131
660	PROTOTYPES: ENABLE	1132	PROTOTYPES: ENABLE
661		1133
662	BOOT:	1134	BOOT:
…		…
677	const_iv (INIT_TXN)	1149	const_iv (INIT_TXN)
678	const_iv (RECOVER)	1150	const_iv (RECOVER)
679	const_iv (INIT_TXN)	1151	const_iv (INIT_TXN)
680	const_iv (RECOVER_FATAL)	1152	const_iv (RECOVER_FATAL)
681	const_iv (CREATE)	1153	const_iv (CREATE)
		1154	const_iv (RDONLY)
682	const_iv (USE_ENVIRON)	1155	const_iv (USE_ENVIRON)
683	const_iv (USE_ENVIRON_ROOT)	1156	const_iv (USE_ENVIRON_ROOT)
684	const_iv (LOCKDOWN)	1157	const_iv (LOCKDOWN)
685	const_iv (PRIVATE)	1158	const_iv (PRIVATE)
686	const_iv (REGISTER)
687	const_iv (SYSTEM_MEM)	1159	const_iv (SYSTEM_MEM)
688	const_iv (AUTO_COMMIT)	1160	const_iv (AUTO_COMMIT)
689	const_iv (CDB_ALLDB)	1161	const_iv (CDB_ALLDB)
690	const_iv (DIRECT_DB)	1162	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)	1163	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	1164	const_iv (NOMMAP)
699	const_iv (NOPANIC)	1165	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	1166	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	1167	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	1168	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	1169	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	1170	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)	1171	const_iv (TXN_NOT_DURABLE)
706	const_iv (TXN_WRITE_NOSYNC)	1172	const_iv (TXN_WRITE_NOSYNC)
		1173	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	1174	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	1175	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	1176	const_iv (XA_CREATE)
710	const_iv (BTREE)	1177	const_iv (BTREE)
711	const_iv (HASH)	1178	const_iv (HASH)
712	const_iv (QUEUE)	1179	const_iv (QUEUE)
713	const_iv (RECNO)	1180	const_iv (RECNO)
714	const_iv (UNKNOWN)	1181	const_iv (UNKNOWN)
715	const_iv (EXCL)	1182	const_iv (EXCL)
716	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	1183	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	1184	const_iv (NOSYNC)
719	const_iv (CHKSUM)	1185	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	1186	const_iv (ENCRYPT)
721	const_iv (TXN_NOT_DURABLE)
722	const_iv (DUP)	1187	const_iv (DUP)
723	const_iv (DUPSORT)	1188	const_iv (DUPSORT)
724	const_iv (RECNUM)	1189	const_iv (RECNUM)
725	const_iv (RENUMBER)	1190	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	1191	const_iv (REVSPLITOFF)
727	const_iv (INORDER)
728	const_iv (CONSUME)	1192	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	1193	const_iv (CONSUME_WAIT)
		1194	const_iv (GET_BOTH)
		1195	const_iv (GET_BOTH_RANGE)
		1196	//const_iv (SET_RECNO)
		1197	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	1198	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	1199	const_iv (JOIN_ITEM)
		1200	const_iv (JOIN_NOSORT)
732	const_iv (RMW)	1201	const_iv (RMW)
733		1202
734	const_iv (NOTFOUND)	1203	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	1204	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	1205	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	1206	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	1207	const_iv (RUNRECOVERY)
		1208	const_iv (OLD_VERSION)
		1209	const_iv (REP_HANDLE_DEAD)
		1210	const_iv (SECONDARY_BAD)
		1211
		1212	const_iv (APPEND)
		1213	const_iv (NODUPDATA)
		1214	const_iv (NOOVERWRITE)
		1215
		1216	const_iv (TXN_NOWAIT)
		1217	const_iv (TXN_SYNC)
		1218
		1219	const_iv (SET_LOCK_TIMEOUT)
		1220	const_iv (SET_TXN_TIMEOUT)
		1221
		1222	const_iv (FIRST)
		1223	const_iv (NEXT)
		1224	const_iv (NEXT_DUP)
		1225	const_iv (NEXT_NODUP)
		1226	const_iv (PREV)
		1227	const_iv (PREV_NODUP)
		1228	const_iv (SET)
		1229	const_iv (SET_RANGE)
		1230	const_iv (LAST)
		1231	const_iv (BEFORE)
		1232	const_iv (AFTER)
		1233	const_iv (CURRENT)
		1234	const_iv (KEYFIRST)
		1235	const_iv (KEYLAST)
		1236	const_iv (NODUPDATA)
		1237
		1238	const_iv (FORCE)
		1239
		1240	const_iv (LOCK_DEFAULT)
		1241	const_iv (LOCK_EXPIRE)
		1242	const_iv (LOCK_MAXLOCKS)
		1243	const_iv (LOCK_MINLOCKS)
		1244	const_iv (LOCK_MINWRITE)
		1245	const_iv (LOCK_OLDEST)
		1246	const_iv (LOCK_RANDOM)
		1247	const_iv (LOCK_YOUNGEST)
		1248
		1249	const_iv (DONOTINDEX)
		1250	const_iv (KEYEMPTY )
		1251	const_iv (KEYEXIST )
		1252	const_iv (LOCK_DEADLOCK)
		1253	const_iv (LOCK_NOTGRANTED)
		1254	const_iv (NOSERVER)
		1255	const_iv (NOSERVER_HOME)
		1256	const_iv (NOSERVER_ID)
		1257	const_iv (NOTFOUND)
		1258	const_iv (PAGE_NOTFOUND)
		1259	const_iv (REP_DUPMASTER)
		1260	const_iv (REP_HANDLE_DEAD)
		1261	const_iv (REP_HOLDELECTION)
		1262	const_iv (REP_ISPERM)
		1263	const_iv (REP_NEWMASTER)
		1264	const_iv (REP_NEWSITE)
		1265	const_iv (REP_NOTPERM)
		1266	const_iv (REP_UNAVAIL)
		1267	const_iv (RUNRECOVERY)
		1268	const_iv (SECONDARY_BAD)
		1269	const_iv (VERIFY_BAD)
		1270
		1271	const_iv (VERB_DEADLOCK)
		1272	const_iv (VERB_RECOVERY)
		1273	const_iv (VERB_REPLICATION)
		1274	const_iv (VERB_WAITSFOR)
		1275
		1276	const_iv (VERSION_MAJOR)
		1277	const_iv (VERSION_MINOR)
		1278	const_iv (VERSION_PATCH)
		1279	#if DB_VERSION_MINOR >= 3
		1280	const_iv (INORDER)
		1281	const_iv (LOCK_MAXWRITE)
		1282	const_iv (SEQ_DEC)
		1283	const_iv (SEQ_INC)
		1284	const_iv (SEQ_WRAP)
		1285	const_iv (BUFFER_SMALL)
		1286	const_iv (LOG_BUFFER_FULL)
		1287	const_iv (VERSION_MISMATCH)
		1288	#endif
		1289	#if DB_VERSION_MINOR >= 4
		1290	const_iv (REGISTER)
		1291	const_iv (DSYNC_DB)
		1292	const_iv (READ_COMMITTED)
		1293	const_iv (READ_UNCOMMITTED)
		1294	const_iv (REP_IGNORE)
		1295	const_iv (REP_LOCKOUT)
		1296	const_iv (REP_JOIN_FAILURE)
		1297	const_iv (FREE_SPACE)
		1298	const_iv (FREELIST_ONLY)
		1299	const_iv (VERB_REGISTER)
		1300	#endif
		1301	#if DB_VERSION_MINOR >= 5
		1302	const_iv (MULTIVERSION)
		1303	const_iv (TXN_SNAPSHOT)
		1304	#endif
		1305	#if DB_VERSION_MINOR >= 6
		1306	const_iv (PREV_DUP)
		1307	const_iv (PRIORITY_UNCHANGED)
		1308	const_iv (PRIORITY_VERY_LOW)
		1309	const_iv (PRIORITY_LOW)
		1310	const_iv (PRIORITY_DEFAULT)
		1311	const_iv (PRIORITY_HIGH)
		1312	const_iv (PRIORITY_VERY_HIGH)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 7
		1315	const_iv (LOG_DIRECT)
		1316	const_iv (LOG_DSYNC)
		1317	const_iv (LOG_AUTO_REMOVE)
		1318	const_iv (LOG_IN_MEMORY)
		1319	const_iv (LOG_ZERO)
		1320	#else
		1321	const_iv (DIRECT_LOG)
		1322	const_iv (LOG_AUTOREMOVE)
		1323	# if DB_VERSION_MINOR >= 3
		1324	const_iv (DSYNC_LOG)
		1325	const_iv (LOG_INMEMORY)
		1326	# endif
		1327	#endif
739	};	1328	};
740		1329
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1330	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1331	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1332
744	create_pipe ();	1333	{
		1334	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1335	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1336
		1337	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1338	}
		1339
		1340	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1341
		1342	create_respipe ();
		1343
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1344	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1345	patch_errno ();
746	}	1346	}
747		1347
748	void	1348	void
749	max_poll_reqs (int nreqs)	1349	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1350	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1379	max_outstanding = maxreqs;
780	OUTPUT:	1380	OUTPUT:
781	RETVAL	1381	RETVAL
782		1382
783	int	1383	int
784	bdbreq_pri (int pri = 0)	1384	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1385	PROTOTYPE: ;$
786	CODE:	1386	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1387	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1388	if (items > 0)
789	{	1389	{
…		…
793	}	1393	}
794	OUTPUT:	1394	OUTPUT:
795	RETVAL	1395	RETVAL
796		1396
797	void	1397	void
798	bdbreq_nice (int nice = 0)	1398	dbreq_nice (int nice = 0)
799	CODE:	1399	CODE:
800	nice = next_pri - nice;	1400	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1401	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1402	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1403	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1411	poll_wait ();
812	poll_cb ();	1412	poll_cb ();
813	}	1413	}
814		1414
815	int	1415	int
816	poll()	1416	poll ()
817	PROTOTYPE:	1417	PROTOTYPE:
818	CODE:	1418	CODE:
819	poll_wait ();	1419	poll_wait ();
820	RETVAL = poll_cb ();	1420	RETVAL = poll_cb ();
821	OUTPUT:	1421	OUTPUT:
822	RETVAL	1422	RETVAL
823		1423
824	int	1424	int
825	poll_fileno()	1425	poll_fileno ()
826	PROTOTYPE:	1426	PROTOTYPE:
827	CODE:	1427	CODE:
828	RETVAL = respipe [0];	1428	RETVAL = respipe [0];
829	OUTPUT:	1429	OUTPUT:
830	RETVAL	1430	RETVAL
831		1431
832	int	1432	int
833	poll_cb(...)	1433	poll_cb (...)
834	PROTOTYPE:	1434	PROTOTYPE:
835	CODE:	1435	CODE:
836	RETVAL = poll_cb ();	1436	RETVAL = poll_cb ();
837	OUTPUT:	1437	OUTPUT:
838	RETVAL	1438	RETVAL
839		1439
840	void	1440	void
841	poll_wait()	1441	poll_wait ()
842	PROTOTYPE:	1442	PROTOTYPE:
843	CODE:	1443	CODE:
844	poll_wait ();	1444	poll_wait ();
845		1445
846	int	1446	int
847	nreqs()	1447	nreqs ()
848	PROTOTYPE:	1448	PROTOTYPE:
849	CODE:	1449	CODE:
850	RETVAL = nreqs;	1450	RETVAL = nreqs;
851	OUTPUT:	1451	OUTPUT:
852	RETVAL	1452	RETVAL
853		1453
854	int	1454	int
855	nready()	1455	nready ()
856	PROTOTYPE:	1456	PROTOTYPE:
857	CODE:	1457	CODE:
858	RETVAL = get_nready ();	1458	RETVAL = get_nready ();
859	OUTPUT:	1459	OUTPUT:
860	RETVAL	1460	RETVAL
861		1461
862	int	1462	int
863	npending()	1463	npending ()
864	PROTOTYPE:	1464	PROTOTYPE:
865	CODE:	1465	CODE:
866	RETVAL = get_npending ();	1466	RETVAL = get_npending ();
867	OUTPUT:	1467	OUTPUT:
868	RETVAL	1468	RETVAL
869		1469
870	int	1470	int
871	nthreads()	1471	nthreads ()
872	PROTOTYPE:	1472	PROTOTYPE:
873	CODE:	1473	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1474	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1475	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1476	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1477	OUTPUT:
878	RETVAL	1478	RETVAL
879		1479
		1480	void
		1481	set_sync_prepare (SV *cb)
		1482	PROTOTYPE: &
		1483	CODE:
		1484	SvREFCNT_dec (prepare_cb);
		1485	prepare_cb = newSVsv (cb);
		1486
		1487	char *
		1488	strerror (int errorno = errno)
		1489	PROTOTYPE: ;$
		1490	CODE:
		1491	RETVAL = db_strerror (errorno);
		1492	OUTPUT:
		1493	RETVAL
		1494
		1495	void _on_next_submit (SV *cb)
		1496	CODE:
		1497	SvREFCNT_dec (on_next_submit);
		1498	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1499
880	DB_ENV *	1500	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1501	db_env_create (U32 env_flags = 0)
882	CODE:	1502	CODE:
883	{	1503	{
884	int err = db_env_create (&RETVAL, env_flags);	1504	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1505	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1506	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1507
		1508	if (0)
		1509	{
		1510	RETVAL->set_errcall (RETVAL, debug_errcall);
		1511	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1512	}
		1513	}
		1514	OUTPUT:
		1515	RETVAL
		1516
889	void	1517	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1518	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1519	PREINIT:
		1520	CALLBACK
891	CODE:	1521	CODE:
892	{	1522	{
893	dREQ (REQ_ENV_OPEN);	1523	dREQ (REQ_ENV_OPEN, 1);
894	req->env = env;	1524	req->env = env;
895	req->uint1 = open_flags;	1525	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1526	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1527	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1528	REQ_SEND;
899	}	1529	}
900		1530
901	void	1531	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1532	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1533	PREINIT:
		1534	CALLBACK
903	CODE:	1535	CODE:
904	{	1536	{
905	dREQ (REQ_ENV_CLOSE);	1537	dREQ (REQ_ENV_CLOSE, 1);
906	req->env = env;	1538	req->env = env;
907	req->uint1 = flags;	1539	req->uint1 = flags;
908	REQ_SEND;	1540	REQ_SEND;
		1541	ptr_nuke (ST (0));
		1542	}
		1543
		1544	void
		1545	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1546	PREINIT:
		1547	CALLBACK
		1548	CODE:
		1549	{
		1550	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1551	req->env = env;
		1552	req->uint1 = kbyte;
		1553	req->int1 = min;
		1554	req->uint2 = flags;
		1555	REQ_SEND;
		1556	}
		1557
		1558	void
		1559	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1560	PREINIT:
		1561	CALLBACK
		1562	CODE:
		1563	{
		1564	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1565	req->env = env;
		1566	req->uint1 = flags;
		1567	req->uint2 = atype;
		1568	/* req->int2 = 0; dummy */
		1569	REQ_SEND;
		1570	}
		1571
		1572	void
		1573	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1574	PREINIT:
		1575	CALLBACK
		1576	CODE:
		1577	{
		1578	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1579	req->env = env;
		1580	REQ_SEND;
		1581	}
		1582
		1583	void
		1584	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1585	PREINIT:
		1586	CALLBACK
		1587	CODE:
		1588	{
		1589	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1590	req->env = env;
		1591	req->int1 = percent;
		1592	REQ_SEND;
		1593	}
		1594
		1595	void
		1596	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1597	PREINIT:
		1598	CALLBACK
		1599	CODE:
		1600	{
		1601	dREQ (REQ_ENV_DBREMOVE, 2);
		1602	req->env = env;
		1603	req->buf1 = strdup_ornull (file);
		1604	req->buf2 = strdup_ornull (database);
		1605	req->uint1 = flags;
		1606	REQ_SEND;
		1607	}
		1608
		1609	void
		1610	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)
		1611	PREINIT:
		1612	CALLBACK
		1613	CODE:
		1614	{
		1615	dREQ (REQ_ENV_DBRENAME, 2);
		1616	req->env = env;
		1617	req->buf1 = strdup_ornull (file);
		1618	req->buf2 = strdup_ornull (database);
		1619	req->buf3 = strdup_ornull (newname);
		1620	req->uint1 = flags;
		1621	REQ_SEND;
909	}	1622	}
910		1623
911	DB *	1624	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1625	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1626	CODE:
914	{	1627	{
915	int err = db_create (&RETVAL, env, flags);	1628	errno = db_create (&RETVAL, env, flags);
916	if (err)	1629	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1630	croak ("db_create: %s", db_strerror (errno));
918	}
919		1631
		1632	if (RETVAL)
		1633	RETVAL->app_private = (void *)newSVsv (ST (0));
		1634	}
		1635	OUTPUT:
		1636	RETVAL
		1637
920	void	1638	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)	1639	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1640	PREINIT:
		1641	CALLBACK
922	CODE:	1642	CODE:
923	{	1643	{
924	dREQ (REQ_DB_OPEN);	1644	dREQ (REQ_DB_OPEN, 2);
925	req->db = db;	1645	req->db = db;
926	req->txn = txnid;	1646	req->txn = txnid;
927	req->buf1 = strdup (file);	1647	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1648	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1649	req->int1 = type;
930	req->uint1 = flags;	1650	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1651	req->int2 = mode;
932	REQ_SEND;	1652	REQ_SEND;
933	}	1653	}
934		1654
935	void	1655	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1656	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
937	CODE:	1659	CODE:
938	{	1660	{
939	dREQ (REQ_DB_CLOSE);	1661	dREQ (REQ_DB_CLOSE, 1);
940	req->db = db;	1662	req->db = db;
941	req->uint1 = flags;	1663	req->uint1 = flags;
		1664	req->sv1 = (SV *)db->app_private;
942	REQ_SEND;	1665	REQ_SEND;
		1666	ptr_nuke (ST (0));
943	}	1667	}
		1668
		1669	#if DB_VERSION_MINOR >= 4
		1670
		1671	void
		1672	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)
		1673	PREINIT:
		1674	CALLBACK
		1675	CODE:
		1676	{
		1677	dREQ (REQ_DB_COMPACT, 2);
		1678	req->db = db;
		1679	req->txn = txn;
		1680	sv_to_dbt (&req->dbt1, start);
		1681	sv_to_dbt (&req->dbt2, stop);
		1682	req->uint1 = flags;
		1683	REQ_SEND;
		1684	}
		1685
		1686	#endif
		1687
		1688	void
		1689	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1690	PREINIT:
		1691	CALLBACK
		1692	CODE:
		1693	{
		1694	dREQ (REQ_DB_SYNC, 1);
		1695	req->db = db;
		1696	req->uint1 = flags;
		1697	REQ_SEND;
		1698	}
		1699
		1700	void
		1701	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1702	PREINIT:
		1703	CALLBACK
		1704	CODE:
		1705	{
		1706	dREQ (REQ_DB_SYNC, 1);
		1707	req->db = db;
		1708	req->buf1 = strdup (file);
		1709	req->uint1 = flags;
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
		1714	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1715	PREINIT:
		1716	CALLBACK
		1717	CODE:
		1718	{
		1719	dREQ (REQ_DB_KEY_RANGE, 2);
		1720	req->db = db;
		1721	req->txn = txn;
		1722	sv_to_dbt (&req->dbt1, key);
		1723	req->uint1 = flags;
		1724	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1725	REQ_SEND;
		1726	}
		1727
		1728	void
		1729	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1730	PREINIT:
		1731	CALLBACK
		1732	CODE:
		1733	{
		1734	dREQ (REQ_DB_PUT, 2);
		1735	req->db = db;
		1736	req->txn = txn;
		1737	sv_to_dbt (&req->dbt1, key);
		1738	sv_to_dbt (&req->dbt2, data);
		1739	req->uint1 = flags;
		1740	REQ_SEND;
		1741	}
		1742
		1743	#if DB_VERSION_MINOR >= 6
		1744
		1745	void
		1746	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
		1749	CODE:
		1750	{
		1751	dREQ (REQ_DB_EXISTS, 2);
		1752	req->db = db;
		1753	req->txn = txn;
		1754	req->uint1 = flags;
		1755	sv_to_dbt (&req->dbt1, key);
		1756	REQ_SEND;
		1757	}
		1758
		1759	#endif
		1760
		1761	void
		1762	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1763	PREINIT:
		1764	CALLBACK
		1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_get");
		1768	{
		1769	dREQ (REQ_DB_GET, 2);
		1770	req->db = db;
		1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	req->dbt3.flags = DB_DBT_MALLOC;
		1775	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1776	REQ_SEND;
		1777	}
		1778
		1779	void
		1780	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
		1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_pget");
		1786	{
		1787	dREQ (REQ_DB_PGET, 2);
		1788	req->db = db;
		1789	req->txn = txn;
		1790	req->uint1 = flags;
		1791	sv_to_dbt (&req->dbt1, key);
		1792	sv_to_dbt (&req->dbt2, pkey);
		1793	req->dbt3.flags = DB_DBT_MALLOC;
		1794	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1795	REQ_SEND;
		1796	}
		1797
		1798	void
		1799	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1800	PREINIT:
		1801	CALLBACK
		1802	CODE:
		1803	{
		1804	dREQ (REQ_DB_DEL, 2);
		1805	req->db = db;
		1806	req->txn = txn;
		1807	req->uint1 = flags;
		1808	sv_to_dbt (&req->dbt1, key);
		1809	REQ_SEND;
		1810	}
		1811
		1812	void
		1813	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1814	PREINIT:
		1815	CALLBACK
		1816	CODE:
		1817	{
		1818	dREQ (REQ_TXN_COMMIT, 1);
		1819	req->txn = txn;
		1820	req->uint1 = flags;
		1821	REQ_SEND;
		1822	ptr_nuke (ST (0));
		1823	}
		1824
		1825	void
		1826	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1827	PREINIT:
		1828	CALLBACK
		1829	CODE:
		1830	{
		1831	dREQ (REQ_TXN_ABORT, 1);
		1832	req->txn = txn;
		1833	REQ_SEND;
		1834	ptr_nuke (ST (0));
		1835	}
		1836
		1837	void
		1838	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1839	PREINIT:
		1840	CALLBACK
		1841	CODE:
		1842	{
		1843	dREQ (REQ_TXN_FINISH, 1);
		1844	req->txn = txn;
		1845	req->uint1 = flags;
		1846	REQ_SEND;
		1847	ptr_nuke (ST (0));
		1848	}
		1849
		1850	void
		1851	db_c_close (DBC *dbc, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
		1854	CODE:
		1855	{
		1856	dREQ (REQ_C_CLOSE, 1);
		1857	req->dbc = dbc;
		1858	REQ_SEND;
		1859	ptr_nuke (ST (0));
		1860	}
		1861
		1862	void
		1863	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1864	PREINIT:
		1865	CALLBACK
		1866	CODE:
		1867	{
		1868	dREQ (REQ_C_COUNT, 1);
		1869	req->dbc = dbc;
		1870	req->sv1 = SvREFCNT_inc (count);
		1871	REQ_SEND;
		1872	}
		1873
		1874	void
		1875	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1876	PREINIT:
		1877	CALLBACK
		1878	CODE:
		1879	{
		1880	dREQ (REQ_C_PUT, 1);
		1881	req->dbc = dbc;
		1882	sv_to_dbt (&req->dbt1, key);
		1883	sv_to_dbt (&req->dbt2, data);
		1884	req->uint1 = flags;
		1885	REQ_SEND;
		1886	}
		1887
		1888	void
		1889	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1890	PREINIT:
		1891	CALLBACK
		1892	CODE:
		1893	{
		1894	dREQ (REQ_C_GET, 1);
		1895	req->dbc = dbc;
		1896	req->uint1 = flags;
		1897	if ((flags & DB_SET) == DB_SET
		1898	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1899	sv_to_dbt (&req->dbt1, key);
		1900	else
		1901	req->dbt1.flags = DB_DBT_MALLOC;
		1902
		1903	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1904
		1905	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1906	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1907	sv_to_dbt (&req->dbt3, data);
		1908	else
		1909	req->dbt3.flags = DB_DBT_MALLOC;
		1910
		1911	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1912	REQ_SEND;
		1913	}
		1914
		1915	void
		1916	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1917	PREINIT:
		1918	CALLBACK
		1919	CODE:
		1920	{
		1921	dREQ (REQ_C_PGET, 1);
		1922	req->dbc = dbc;
		1923	req->uint1 = flags;
		1924	if ((flags & DB_SET) == DB_SET
		1925	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1926	sv_to_dbt (&req->dbt1, key);
		1927	else
		1928	req->dbt1.flags = DB_DBT_MALLOC;
		1929
		1930	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1931
		1932	req->dbt2.flags = DB_DBT_MALLOC;
		1933	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1934
		1935	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1936	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1937	sv_to_dbt (&req->dbt3, data);
		1938	else
		1939	req->dbt3.flags = DB_DBT_MALLOC;
		1940
		1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1942	REQ_SEND;
		1943	}
		1944
		1945	void
		1946	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1947	PREINIT:
		1948	CALLBACK
		1949	CODE:
		1950	{
		1951	dREQ (REQ_C_DEL, 1);
		1952	req->dbc = dbc;
		1953	req->uint1 = flags;
		1954	REQ_SEND;
		1955	}
		1956
		1957
		1958	#if DB_VERSION_MINOR >= 3
		1959
		1960	void
		1961	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1962	PREINIT:
		1963	CALLBACK
		1964	CODE:
		1965	{
		1966	dREQ (REQ_SEQ_OPEN, 2);
		1967	req->seq = seq;
		1968	req->txn = txnid;
		1969	req->uint1 = flags | DB_THREAD;
		1970	sv_to_dbt (&req->dbt1, key);
		1971	REQ_SEND;
		1972	}
		1973
		1974	void
		1975	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1976	PREINIT:
		1977	CALLBACK
		1978	CODE:
		1979	{
		1980	dREQ (REQ_SEQ_CLOSE, 1);
		1981	req->seq = seq;
		1982	req->uint1 = flags;
		1983	REQ_SEND;
		1984	ptr_nuke (ST (0));
		1985	}
		1986
		1987	void
		1988	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1989	PREINIT:
		1990	CALLBACK
		1991	CODE:
		1992	{
		1993	dREQ (REQ_SEQ_GET, 2);
		1994	req->seq = seq;
		1995	req->txn = txnid;
		1996	req->int1 = delta;
		1997	req->uint1 = flags;
		1998	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1999	REQ_SEND;
		2000	}
		2001
		2002	void
		2003	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2004	PREINIT:
		2005	CALLBACK
		2006	CODE:
		2007	{
		2008	dREQ (REQ_SEQ_REMOVE, 2);
		2009	req->seq = seq;
		2010	req->txn = txnid;
		2011	req->uint1 = flags;
		2012	REQ_SEND;
		2013	}
		2014
		2015	#endif
944		2016
945		2017
946	MODULE = BDB PACKAGE = BDB::Env	2018	MODULE = BDB PACKAGE = BDB::Env
947		2019
		2020	void
		2021	DESTROY (DB_ENV_ornuked *env)
		2022	CODE:
		2023	if (env)
		2024	env->close (env, 0);
		2025
		2026	int set_data_dir (DB_ENV *env, const char *dir)
		2027	CODE:
		2028	RETVAL = env->set_data_dir (env, dir);
		2029	OUTPUT:
		2030	RETVAL
		2031
		2032	int set_tmp_dir (DB_ENV *env, const char *dir)
		2033	CODE:
		2034	RETVAL = env->set_tmp_dir (env, dir);
		2035	OUTPUT:
		2036	RETVAL
		2037
		2038	int set_lg_dir (DB_ENV *env, const char *dir)
		2039	CODE:
		2040	RETVAL = env->set_lg_dir (env, dir);
		2041	OUTPUT:
		2042	RETVAL
		2043
		2044	int set_shm_key (DB_ENV *env, long shm_key)
		2045	CODE:
		2046	RETVAL = env->set_shm_key (env, shm_key);
		2047	OUTPUT:
		2048	RETVAL
		2049
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2050	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		2051	CODE:
		2052	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		2053	OUTPUT:
		2054	RETVAL
949		2055
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	2056	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		2057	CODE:
		2058	RETVAL = env->set_flags (env, flags, onoff);
		2059	OUTPUT:
		2060	RETVAL
951		2061
		2062	#if DB_VERSION_MINOR >= 7
		2063
		2064	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2065	CODE:
		2066	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2067	OUTPUT:
		2068	RETVAL
		2069
		2070	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2071	CODE:
		2072	RETVAL = env->log_set_config (env, flags, onoff);
		2073	OUTPUT:
		2074	RETVAL
		2075
		2076	#endif
		2077
		2078
		2079	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2080	CODE:
		2081	env->set_errfile (env, errfile);
		2082
		2083	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2084	CODE:
		2085	env->set_msgfile (env, msgfile);
		2086
		2087	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2088	CODE:
		2089	RETVAL = env->set_verbose (env, which, onoff);
		2090	OUTPUT:
		2091	RETVAL
		2092
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	2093	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		2094	CODE:
		2095	RETVAL = env->set_encrypt (env, password, flags);
		2096	OUTPUT:
		2097	RETVAL
		2098
		2099	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2100	CODE:
		2101	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		2102	OUTPUT:
		2103	RETVAL
		2104
		2105	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2106	CODE:
		2107	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2108	OUTPUT:
		2109	RETVAL
		2110
		2111	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2112	CODE:
		2113	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2114	OUTPUT:
		2115	RETVAL
		2116
		2117	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2118	CODE:
		2119	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2120	OUTPUT:
		2121	RETVAL
		2122
		2123	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2124	CODE:
		2125	RETVAL = env->set_lk_detect (env, detect);
		2126	OUTPUT:
		2127	RETVAL
		2128
		2129	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2130	CODE:
		2131	RETVAL = env->set_lk_max_lockers (env, max);
		2132	OUTPUT:
		2133	RETVAL
		2134
		2135	int set_lk_max_locks (DB_ENV *env, U32 max)
		2136	CODE:
		2137	RETVAL = env->set_lk_max_locks (env, max);
		2138	OUTPUT:
		2139	RETVAL
		2140
		2141	int set_lk_max_objects (DB_ENV *env, U32 max)
		2142	CODE:
		2143	RETVAL = env->set_lk_max_objects (env, max);
		2144	OUTPUT:
		2145	RETVAL
		2146
		2147	int set_lg_bsize (DB_ENV *env, U32 max)
		2148	CODE:
		2149	RETVAL = env->set_lg_bsize (env, max);
		2150	OUTPUT:
		2151	RETVAL
		2152
		2153	int set_lg_max (DB_ENV *env, U32 max)
		2154	CODE:
		2155	RETVAL = env->set_lg_max (env, max);
		2156	OUTPUT:
		2157	RETVAL
		2158
		2159	#if DB_VERSION_MINOR >= 4
		2160
		2161	int mutex_set_max (DB_ENV *env, U32 max)
		2162	CODE:
		2163	RETVAL = env->mutex_set_max (env, max);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	int mutex_set_increment (DB_ENV *env, U32 increment)
		2168	CODE:
		2169	RETVAL = env->mutex_set_increment (env, increment);
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2174	CODE:
		2175	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2176	OUTPUT:
		2177	RETVAL
		2178
		2179	int mutex_set_align (DB_ENV *env, U32 align)
		2180	CODE:
		2181	RETVAL = env->mutex_set_align (env, align);
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
		2186
		2187	DB_TXN *
		2188	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2189	CODE:
		2190	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2191	if (errno)
		2192	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2193	OUTPUT:
		2194	RETVAL
		2195
		2196	#if DB_VERSION_MINOR >= 5
		2197
		2198	DB_TXN *
		2199	cdsgroup_begin (DB_ENV *env)
		2200	CODE:
		2201	errno = env->cdsgroup_begin (env, &RETVAL);
		2202	if (errno)
		2203	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2204	OUTPUT:
		2205	RETVAL
		2206
		2207	#endif
953		2208
954	MODULE = BDB PACKAGE = BDB::Db	2209	MODULE = BDB PACKAGE = BDB::Db
955		2210
		2211	void
		2212	DESTROY (DB_ornuked *db)
		2213	CODE:
		2214	if (db)
		2215	{
		2216	SV *env = (SV *)db->app_private;
		2217	db->close (db, 0);
		2218	SvREFCNT_dec (env);
		2219	}
		2220
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2221	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		2222	CODE:
		2223	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		2224	OUTPUT:
		2225	RETVAL
957		2226
958	int set_flags (DB *env, U32 flags, int onoff)	2227	int set_flags (DB *db, U32 flags)
		2228	CODE:
		2229	RETVAL = db->set_flags (db, flags);
		2230	OUTPUT:
		2231	RETVAL
959		2232
960	int set_encrypt (DB *db, const char *password, U32 flags)	2233	int set_encrypt (DB *db, const char *password, U32 flags)
		2234	CODE:
		2235	RETVAL = db->set_encrypt (db, password, flags);
		2236	OUTPUT:
		2237	RETVAL
961		2238
962	int set_lorder (DB *db, int lorder)	2239	int set_lorder (DB *db, int lorder)
963		2240	CODE:
		2241	RETVAL = db->set_lorder (db, lorder);
		2242	OUTPUT:
		2243	RETVAL
964		2244
965	int set_bt_minkey (DB *db, U32 minkey)	2245	int set_bt_minkey (DB *db, U32 minkey)
		2246	CODE:
		2247	RETVAL = db->set_bt_minkey (db, minkey);
		2248	OUTPUT:
		2249	RETVAL
966		2250
967	int set_re_delim(DB *db, int delim);	2251	int set_re_delim (DB *db, int delim)
		2252	CODE:
		2253	RETVAL = db->set_re_delim (db, delim);
		2254	OUTPUT:
		2255	RETVAL
968		2256
969	int set_re_pad (DB *db, int re_pad)	2257	int set_re_pad (DB *db, int re_pad)
		2258	CODE:
		2259	RETVAL = db->set_re_pad (db, re_pad);
		2260	OUTPUT:
		2261	RETVAL
970		2262
971	int set_re_source (DB *db, char *source)	2263	int set_re_source (DB *db, char *source)
		2264	CODE:
		2265	RETVAL = db->set_re_source (db, source);
		2266	OUTPUT:
		2267	RETVAL
972		2268
973	int set_re_len (DB *db, U32 re_len)	2269	int set_re_len (DB *db, U32 re_len)
		2270	CODE:
		2271	RETVAL = db->set_re_len (db, re_len);
		2272	OUTPUT:
		2273	RETVAL
974		2274
975	int set_h_ffactor (DB *db, U32 h_ffactor)	2275	int set_h_ffactor (DB *db, U32 h_ffactor)
		2276	CODE:
		2277	RETVAL = db->set_h_ffactor (db, h_ffactor);
		2278	OUTPUT:
		2279	RETVAL
976		2280
977	int set_h_nelem (DB *db, U32 h_nelem)	2281	int set_h_nelem (DB *db, U32 h_nelem)
		2282	CODE:
		2283	RETVAL = db->set_h_nelem (db, h_nelem);
		2284	OUTPUT:
		2285	RETVAL
978		2286
979	int set_q_extentsize (DB *db, U32 extentsize)	2287	int set_q_extentsize (DB *db, U32 extentsize)
		2288	CODE:
		2289	RETVAL = db->set_q_extentsize (db, extentsize);
		2290	OUTPUT:
		2291	RETVAL
980		2292
		2293	DBC *
		2294	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2295	CODE:
		2296	errno = db->cursor (db, txn, &RETVAL, flags);
		2297	if (errno)
		2298	croak ("DB->cursor: %s", db_strerror (errno));
		2299	OUTPUT:
		2300	RETVAL
981		2301
		2302	#if DB_VERSION_MINOR >= 3
		2303
		2304	DB_SEQUENCE *
		2305	sequence (DB *db, U32 flags = 0)
		2306	CODE:
		2307	{
		2308	errno = db_sequence_create (&RETVAL, db, flags);
		2309	if (errno)
		2310	croak ("db_sequence_create: %s", db_strerror (errno));
		2311	}
		2312	OUTPUT:
		2313	RETVAL
		2314
		2315	#endif
		2316
		2317
		2318	MODULE = BDB PACKAGE = BDB::Txn
		2319
		2320	void
		2321	DESTROY (DB_TXN_ornuked *txn)
		2322	CODE:
		2323	if (txn)
		2324	txn->abort (txn);
		2325
		2326	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2327	CODE:
		2328	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2329	OUTPUT:
		2330	RETVAL
		2331
		2332	int failed (DB_TXN *txn)
		2333	CODE:
		2334	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2335	OUTPUT:
		2336	RETVAL
		2337
		2338
		2339	MODULE = BDB PACKAGE = BDB::Cursor
		2340
		2341	void
		2342	DESTROY (DBC_ornuked *dbc)
		2343	CODE:
		2344	if (dbc)
		2345	dbc->c_close (dbc);
		2346
		2347	#if DB_VERSION_MINOR >= 6
		2348
		2349	int set_priority (DBC *dbc, int priority)
		2350	CODE:
		2351	dbc->set_priority (dbc, priority);
		2352
		2353	#endif
		2354
		2355	#if DB_VERSION_MINOR >= 3
		2356
		2357	MODULE = BDB PACKAGE = BDB::Sequence
		2358
		2359	void
		2360	DESTROY (DB_SEQUENCE_ornuked *seq)
		2361	CODE:
		2362	if (seq)
		2363	seq->close (seq, 0);
		2364
		2365	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2366	CODE:
		2367	RETVAL = seq->initial_value (seq, value);
		2368	OUTPUT:
		2369	RETVAL
		2370
		2371	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2372	CODE:
		2373	RETVAL = seq->set_cachesize (seq, size);
		2374	OUTPUT:
		2375	RETVAL
		2376
		2377	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2378	CODE:
		2379	RETVAL = seq->set_flags (seq, flags);
		2380	OUTPUT:
		2381	RETVAL
		2382
		2383	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2384	CODE:
		2385	RETVAL = seq->set_range (seq, min, max);
		2386	OUTPUT:
		2387	RETVAL
		2388
		2389	#endif
		2390
		2391

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