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Comparing BDB/BDB.xs (file contents):
Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs.
Revision 1.50 by root, Thu Sep 25 13:22:32 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 */
46	typedef char *octetstring;	60	typedef char *bdb_filename;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
49		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
50	static inline char *	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 *
51	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
52	{	118	{
53	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
54	}	120	}
55		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
56	enum {	148	enum {
57	REQ_QUIT,	149	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	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,
60	};	157	};
61		158
62	typedef struct aio_cb	159	typedef struct bdb_cb
63	{	160	{
64	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
65	SV *callback;	162	SV *callback;
66	int type, pri, result;	163	int type, pri, result;
67		164
68	DB_ENV *env;	165	DB_ENV *env;
69	DB *db;	166	DB *db;
70	DB_TXN *txn;	167	DB_TXN *txn;
71	DBC *cursor;	168	DBC *dbc;
		169
		170	UV uv1;
72	int int1, int2;	171	int int1, int2;
73	U32 uint1, uint2;	172	U32 uint1, uint2;
74	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
		174	SV *sv1, *sv2, *sv3;
75		175
76	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
		179	DB_SEQUENCE *seq;
		180	db_seq_t seq_t;
		181	#endif
78		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
79	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
80		187
81	enum {	188	enum {
82	PRI_MIN = -4,	189	PRI_MIN = -4,
83	PRI_MAX = 4,	190	PRI_MAX = 4,
84		191
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	195	};
89		196
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		198
		199	static SV *on_next_submit;
		200
92	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
94		203
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		210
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		212
104	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
105		214
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	215	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
117		217
118	typedef struct worker {	218	typedef struct worker {
119	/* locked by wrklock */	219	/* locked by wrklock */
120	struct worker *prev, *next;	220	struct worker *prev, *next;
121		221
122	pthread_t tid;	222	thread_t tid;
123		223
124	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
126	void *dbuf;	226	void *dbuf;
127	DIR *dirp;	227	DIR *dirp;
128	} worker;	228	} worker;
129		229
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	242	}
143		243
144	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		248
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
152		252
153	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
154		254
155	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
156	{	256	{
157	unsigned int retval;	257	unsigned int retval;
158		258
159	LOCK (reqlock);	259	X_LOCK (reqlock);
160	retval = nready;	260	retval = nready;
161	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
162		262
163	return retval;	263	return retval;
164	}	264	}
165		265
166	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
167	{	267	{
168	unsigned int retval;	268	unsigned int retval;
169		269
170	LOCK (reslock);	270	X_LOCK (reslock);
171	retval = npending;	271	retval = npending;
172	UNLOCK (reslock);	272	X_UNLOCK (reslock);
173		273
174	return retval;	274	return retval;
175	}	275	}
176		276
177	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
178	{	278	{
179	unsigned int retval;	279	unsigned int retval;
180		280
181	LOCK (wrklock);	281	X_LOCK (wrklock);
182	retval = started;	282	retval = started;
183	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
184		284
185	return retval;	285	return retval;
186	}	286	}
187		287
188	#else	288	#else
…		…
197	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
200	*/	300	*/
201	typedef struct {	301	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	303	int size;
204	} reqq;	304	} reqq;
205		305
206	static reqq req_queue;	306	static reqq req_queue;
207	static reqq res_queue;	307	static reqq res_queue;
208		308
209	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
210	{	310	{
211	int pri = req->pri;	311	int pri = req->pri;
212	req->next = 0;	312	req->next = 0;
213		313
214	if (q->qe[pri])	314	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
221		321
222	return q->size++;	322	return q->size++;
223	}	323	}
224		324
225	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
226	{	326	{
227	int pri;	327	int pri;
228		328
229	if (!q->size)	329	if (!q->size)
230	return 0;	330	return 0;
231		331
232	--q->size;	332	--q->size;
233		333
234	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
235	{	335	{
236	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
237		337
238	if (req)	338	if (req)
239	{	339	{
240	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
245	}	345	}
246		346
247	abort ();	347	abort ();
248	}	348	}
249		349
250	static int poll_cb ();	350	static int poll_cb (void);
251	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
253		353
254	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
255	{	355	{
256	dSP;	356	dSP;
257		357
258	if (SvOK (req->callback))	358	if (req->callback)
259	{	359	{
260	ENTER;	360	ENTER;
261	SAVETMPS;	361	SAVETMPS;
262	PUSHMARK (SP);	362	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		363
265	switch (req->type)	364	switch (req->type)
266	{	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
267	}	414	}
268		415
269	errno = req->result;	416	errno = req->result;
270		417
271	PUTBACK;	418	PUTBACK;
…		…
277	}	424	}
278		425
279	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
280	}	427	}
281		428
282	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
283	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
284	free (req->buf1);	436	free (req->buf1);
285	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
286	Safefree (req);	440	Safefree (req);
287	}	441	}
288		442
289	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);
290		491
291	static void start_thread (void)	492	static void start_thread (void)
292	{	493	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	494	worker *wrk = calloc (1, sizeof (worker));
297		495
298	if (!wrk)	496	if (!wrk)
299	croak ("unable to allocate worker thread data");	497	croak ("unable to allocate worker thread data");
300		498
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	499	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	500	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	501	{
314	wrk->prev = &wrk_first;	502	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	503	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	504	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	505	wrk_first.next = wrk;
318	++started;	506	++started;
319	}	507	}
320	else	508	else
321	free (wrk);	509	free (wrk);
322		510
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
325	}	512	}
326		513
327	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
328	{	515	{
329	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
330	return;	517	return;
331		518
332	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	521	return;
335		522
336	start_thread ();	523	start_thread ();
337	}	524	}
338		525
339	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
340	{	527	{
341	SV *wait_callback = 0;	528	SV *wait_callback = 0;
342		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
343	// synthesize callback if none given	543	// synthesize callback if none given
344	if (!SvOK (req->callback))	544	if (!req->callback)
345	{	545	{
		546	int count;
		547
346	dSP;	548	dSP;
347	PUSHMARK (SP);	549	PUSHMARK (SP);
348	PUTBACK;	550	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	551	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	552	SPAGAIN;
351		553
352	if (count != 2)	554	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
354		556
355	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
356	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
358	}	559	}
359		560
360	++nreqs;	561	++nreqs;
361		562
362	LOCK (reqlock);	563	X_LOCK (reqlock);
363	++nready;	564	++nready;
364	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
367		568
368	maybe_start_thread ();	569	maybe_start_thread ();
369		570
370	if (wait_callback)	571	if (wait_callback)
371	{	572	{
372	dSP;	573	dSP;
373	PUSHMARK (SP);	574	PUSHMARK (SP);
374	PUTBACK;	575	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	577	}
378	}	578	}
379		579
380	static void end_thread (void)	580	static void end_thread (void)
381	{	581	{
382	aio_req req;	582	bdb_req req;
383		583
384	Newz (0, req, 1, aio_cb);	584	Newz (0, req, 1, bdb_cb);
385		585
386	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
388		588
389	LOCK (reqlock);	589	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	590	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	591	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	592	X_UNLOCK (reqlock);
393		593
394	LOCK (wrklock);	594	X_LOCK (wrklock);
395	--started;	595	--started;
396	UNLOCK (wrklock);	596	X_UNLOCK (wrklock);
397	}	597	}
398		598
399	static void set_max_idle (int nthreads)	599	static void set_max_idle (int nthreads)
400	{	600	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	602	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	603	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	604	}
405		605
406	static void min_parallel (int nthreads)	606	static void min_parallel (int nthreads)
407	{	607	{
408	if (wanted < nthreads)	608	if (wanted < nthreads)
…		…
416		616
417	while (started > wanted)	617	while (started > wanted)
418	end_thread ();	618	end_thread ();
419	}	619	}
420		620
421	static void poll_wait ()	621	static void poll_wait (void)
422	{	622	{
423	fd_set rfd;	623	fd_set rfd;
424		624
425	while (nreqs)	625	while (nreqs)
426	{	626	{
427	int size;	627	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	629	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	630	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		631
432	if (size)	632	if (size)
433	return;	633	return;
434		634
435	maybe_start_thread ();	635	maybe_start_thread ();
436		636
437	FD_ZERO(&rfd);	637	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	638	FD_SET (respipe [0], &rfd);
439		639
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	641	}
442	}	642	}
443		643
444	static int poll_cb ()	644	static int poll_cb (void)
445	{	645	{
446	dSP;	646	dSP;
447	int count = 0;	647	int count = 0;
448	int maxreqs = max_poll_reqs;	648	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	649	int do_croak = 0;
450	struct timeval tv_start, tv_now;	650	struct timeval tv_start, tv_now;
451	aio_req req;	651	bdb_req req;
452		652
453	if (max_poll_time)	653	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	654	gettimeofday (&tv_start, 0);
455		655
456	for (;;)	656	for (;;)
457	{	657	{
458	for (;;)	658	for (;;)
459	{	659	{
460	maybe_start_thread ();	660	maybe_start_thread ();
461		661
462	LOCK (reslock);	662	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	663	req = reqq_shift (&res_queue);
464		664
465	if (req)	665	if (req)
466	{	666	{
467	--npending;	667	--npending;
468		668
469	if (!res_queue.size)	669	if (!res_queue.size)
470	{	670	{
471	/* read any signals sent by the worker threads */	671	/* read any signals sent by the worker threads */
472	char buf [4];	672	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	673	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	674	;
475	}	675	}
476	}	676	}
477		677
478	UNLOCK (reslock);	678	X_UNLOCK (reslock);
479		679
480	if (!req)	680	if (!req)
481	break;	681	break;
482		682
483	--nreqs;	683	--nreqs;
…		…
513	}	713	}
514		714
515	return count;	715	return count;
516	}	716	}
517		717
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	718	/*****************************************************************************/
531		719
532	static void *aio_proc (void *thr_arg)	720	X_THREAD_PROC (bdb_proc)
533	{	721	{
534	aio_req req;	722	bdb_req req;
535	struct timespec ts;	723	struct timespec ts;
536	worker *self = (worker *)thr_arg;	724	worker *self = (worker *)thr_arg;
537		725
538	/* try to distribute timeouts somewhat evenly */	726	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	727	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		728
542	for (;;)	729	for (;;)
543	{	730	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	731	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		732
546	LOCK (reqlock);	733	X_LOCK (reqlock);
547		734
548	for (;;)	735	for (;;)
549	{	736	{
550	self->req = req = reqq_shift (&req_queue);	737	self->req = req = reqq_shift (&req_queue);
551		738
552	if (req)	739	if (req)
553	break;	740	break;
554		741
555	++idle;	742	++idle;
556		743
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	744	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	745	== ETIMEDOUT)
559	{	746	{
560	if (idle > max_idle)	747	if (idle > max_idle)
561	{	748	{
562	--idle;	749	--idle;
563	UNLOCK (reqlock);	750	X_UNLOCK (reqlock);
564	LOCK (wrklock);	751	X_LOCK (wrklock);
565	--started;	752	--started;
566	UNLOCK (wrklock);	753	X_UNLOCK (wrklock);
567	goto quit;	754	goto quit;
568	}	755	}
569		756
570	/* we are allowed to idle, so do so without any timeout */	757	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	758	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	759	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	760	}
574		761
575	--idle;	762	--idle;
576	}	763	}
577		764
578	--nready;	765	--nready;
579		766
580	UNLOCK (reqlock);	767	X_UNLOCK (reqlock);
581		768
582	switch (req->type)	769	switch (req->type)
583	{	770	{
584	case REQ_QUIT:	771	case REQ_QUIT:
		772	req->result = ENOSYS;
585	goto quit;	773	goto quit;
586		774
587	case REQ_ENV_OPEN:	775	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	776	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	777	break;
590		778
591	case REQ_ENV_CLOSE:	779	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	780	req->result = req->env->close (req->env, req->uint1);
593	break;	781	break;
594		782
		783	case REQ_ENV_TXN_CHECKPOINT:
		784	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		785	break;
		786
		787	case REQ_ENV_LOCK_DETECT:
		788	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		789	break;
		790
		791	case REQ_ENV_MEMP_SYNC:
		792	req->result = req->env->memp_sync (req->env, 0);
		793	break;
		794
		795	case REQ_ENV_MEMP_TRICKLE:
		796	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		797	break;
		798
		799	case REQ_ENV_DBREMOVE:
		800	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		801	break;
		802
		803	case REQ_ENV_DBRENAME:
		804	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		805	break;
		806
595	case REQ_DB_OPEN:	807	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	808	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	809	break;
598		810
599	case REQ_DB_CLOSE:	811	case REQ_DB_CLOSE:
600	req->result = req->db->close (req->db, req->uint1);	812	req->result = req->db->close (req->db, req->uint1);
601	break;	813	break;
602		814
		815	#if DB_VERSION_MINOR >= 4
603	case REQ_DB_COMPACT:	816	case REQ_DB_COMPACT:
604	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	817	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
605	break;	818	break;
		819	#endif
606		820
607	case REQ_DB_SYNC:	821	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);	822	req->result = req->db->sync (req->db, req->uint1);
609	break;	823	break;
610		824
		825	case REQ_DB_UPGRADE:
		826	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		827	break;
		828
611	case REQ_DB_PUT:	829	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	830	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	831	break;
614		832
		833	#if DB_VERSION_MINOR >= 6
		834	case REQ_DB_EXISTS:
		835	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		836	break;
		837	#endif
		838	case REQ_DB_GET:
		839	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		840	break;
		841
		842	case REQ_DB_PGET:
		843	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		844	break;
		845
		846	case REQ_DB_DEL:
		847	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		848	break;
		849
		850	case REQ_DB_KEY_RANGE:
		851	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		852	break;
		853
		854	case REQ_TXN_COMMIT:
		855	req->result = req->txn->commit (req->txn, req->uint1);
		856	break;
		857
		858	case REQ_TXN_ABORT:
		859	req->result = req->txn->abort (req->txn);
		860	break;
		861
		862	case REQ_TXN_FINISH:
		863	if (req->txn->flags & TXN_DEADLOCK)
		864	{
		865	req->result = req->txn->abort (req->txn);
		866	if (!req->result)
		867	req->result = DB_LOCK_DEADLOCK;
		868	}
		869	else
		870	req->result = req->txn->commit (req->txn, req->uint1);
		871	break;
		872
		873	case REQ_C_CLOSE:
		874	req->result = req->dbc->c_close (req->dbc);
		875	break;
		876
		877	case REQ_C_COUNT:
		878	{
		879	db_recno_t recno;
		880	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		881	req->uv1 = recno;
		882	}
		883	break;
		884
		885	case REQ_C_PUT:
		886	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		887	break;
		888
		889	case REQ_C_GET:
		890	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		891	break;
		892
		893	case REQ_C_PGET:
		894	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		895	break;
		896
		897	case REQ_C_DEL:
		898	req->result = req->dbc->c_del (req->dbc, req->uint1);
		899	break;
		900
		901	#if DB_VERSION_MINOR >= 3
		902	case REQ_SEQ_OPEN:
		903	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		904	break;
		905
		906	case REQ_SEQ_CLOSE:
		907	req->result = req->seq->close (req->seq, req->uint1);
		908	break;
		909
		910	case REQ_SEQ_GET:
		911	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		912	break;
		913
		914	case REQ_SEQ_REMOVE:
		915	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		916	break;
		917	#endif
		918
615	default:	919	default:
616	req->result = ENOSYS;	920	req->result = ENOSYS;
617	break;	921	break;
618	}	922	}
619		923
		924	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		925	req->txn->flags |= TXN_DEADLOCK;
		926
620	LOCK (reslock);	927	X_LOCK (reslock);
621		928
622	++npending;	929	++npending;
623		930
624	if (!reqq_push (&res_queue, req))	931	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	932	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	933	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		934
628	self->req = 0;	935	self->req = 0;
629	worker_clear (self);	936	worker_clear (self);
630		937
631	UNLOCK (reslock);	938	X_UNLOCK (reslock);
632	}	939	}
633		940
634	quit:	941	quit:
635	LOCK (wrklock);	942	X_LOCK (wrklock);
636	worker_free (self);	943	worker_free (self);
637	UNLOCK (wrklock);	944	X_UNLOCK (wrklock);
638		945
639	return 0;	946	return 0;
640	}	947	}
641		948
642	/*****************************************************************************/	949	/*****************************************************************************/
643		950
644	static void atfork_prepare (void)	951	static void atfork_prepare (void)
645	{	952	{
646	LOCK (wrklock);	953	X_LOCK (wrklock);
647	LOCK (reqlock);	954	X_LOCK (reqlock);
648	LOCK (reslock);	955	X_LOCK (reslock);
649	}	956	}
650		957
651	static void atfork_parent (void)	958	static void atfork_parent (void)
652	{	959	{
653	UNLOCK (reslock);	960	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	962	X_UNLOCK (wrklock);
656	}	963	}
657		964
658	static void atfork_child (void)	965	static void atfork_child (void)
659	{	966	{
660	aio_req prv;	967	bdb_req prv;
661		968
662	while (prv = reqq_shift (&req_queue))	969	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	970	req_free (prv);
664		971
665	while (prv = reqq_shift (&res_queue))	972	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	987	idle = 0;
681	nreqs = 0;	988	nreqs = 0;
682	nready = 0;	989	nready = 0;
683	npending = 0;	990	npending = 0;
684		991
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	992	create_respipe ();
688		993
689	atfork_parent ();	994	atfork_parent ();
690	}	995	}
691		996
692	#define dREQ(reqtype) \	997	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	998	bdb_req req; \
694	int req_pri = next_pri; \	999	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1000	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1001	\
697	if (SvOK (callback) && !SvROK (callback)) \	1002	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1003	croak ("callback has illegal type or extra arguments"); \
699	\	1004	\
700	Newz (0, req, 1, aio_cb); \	1005	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1006	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1007	croak ("out of memory during bdb_req allocation"); \
703	\	1008	\
704	req->callback = newSVsv (callback); \	1009	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1010	req->type = (reqtype); \
706	req->pri = req_pri	1011	req->pri = req_pri; \
		1012	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1013	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1014	(void)0;
707		1015
708	#define REQ_SEND \	1016	#define REQ_SEND \
709	req_send (req)	1017	req_send (req)
710		1018
711	#define SvPTR(var, arg, type, class) \	1019	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1020	if (!SvOK (arg)) \
		1021	{ \
		1022	if (nullok != 1) \
		1023	croak (# var " must be a " # class " object, not undef"); \
		1024	\
713	(var) = 0; \	1025	(var) = 0; \
		1026	} \
714	else if (sv_derived_from ((arg), # class)) \	1027	else if (sv_derived_from ((arg), # class)) \
715	{ \	1028	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1029	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1030	(var) = INT2PTR (type, tmp); \
		1031	if (!var && nullok != 2) \
		1032	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1033	} \
719	else \	1034	else \
720	Perl_croak (# var " is not of type " # class)	1035	croak (# var " is not of type " # class);
721		1036
722	inline void	1037	static void
723	set_dbt (DBT *dbt, SV *sv)	1038	ptr_nuke (SV *sv)
724	{	1039	{
725	STRLEN len;	1040	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	1041	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	1042	}
732		1043
		1044	static int
		1045	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1046	{
		1047	if (*mg->mg_ptr == '!') // should always be the case
		1048	if (-30999 <= errno && errno <= -30800)
		1049	{
		1050	sv_setnv (sv, (NV)errno);
		1051	sv_setpv (sv, db_strerror (errno));
		1052	SvNOK_on (sv); /* what a wonderful hack! */
		1053	// ^^^ copied from perl sources
		1054	return 0;
		1055	}
		1056
		1057	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1058	}
		1059
		1060	static MGVTBL vtbl_errno;
		1061
		1062	// this wonderful hack :( patches perl's $! variable to support our errno values
		1063	static void
		1064	patch_errno (void)
		1065	{
		1066	SV *sv;
		1067	MAGIC *mg;
		1068
		1069	if (!(sv = get_sv ("!", 1)))
		1070	return;
		1071
		1072	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1073	return;
		1074
		1075	if (mg->mg_virtual != &PL_vtbl_sv)
		1076	return;
		1077
		1078	vtbl_errno = PL_vtbl_sv;
		1079	vtbl_errno.svt_get = errno_get;
		1080	mg->mg_virtual = &vtbl_errno;
		1081	}
		1082
		1083	#if __GNUC__ >= 4
		1084	# define noinline __attribute__ ((noinline))
		1085	#else
		1086	# define noinline
		1087	#endif
		1088
		1089	static noinline SV *
		1090	pop_callback (I32 *ritems, SV *sv)
		1091	{
		1092	if (SvROK (sv))
		1093	{
		1094	HV *st;
		1095	GV *gvp;
		1096	CV *cv;
		1097	const char *name;
		1098
		1099	/* forgive me */
		1100	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1101	&& (st = SvSTASH (SvRV (sv)))
		1102	&& (name = HvNAME_get (st))
		1103	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1104	return 0;
		1105
		1106	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1107	{
		1108	--*ritems;
		1109	return (SV *)cv;
		1110	}
		1111	}
		1112
		1113	return 0;
		1114	}
		1115
		1116	/* stupid windoes defined CALLBACK as well */
		1117	#undef CALLBACK
		1118	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1119
733	MODULE = BDB PACKAGE = BDB	1120	MODULE = BDB PACKAGE = BDB
734		1121
735	PROTOTYPES: ENABLE	1122	PROTOTYPES: ENABLE
736		1123
737	BOOT:	1124	BOOT:
…		…
752	const_iv (INIT_TXN)	1139	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1140	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1141	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1142	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1143	const_iv (CREATE)
		1144	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1145	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1146	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1147	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1148	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1149	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1150	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1151	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1152	const_iv (DIRECT_DB)
766	const_iv (DIRECT_LOG)
767	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	1153	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1154	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1155	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1156	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1157	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1158	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1159	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1160	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1161	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1162	const_iv (TXN_WRITE_NOSYNC)
		1163	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1164	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1165	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1166	const_iv (XA_CREATE)
785	const_iv (BTREE)	1167	const_iv (BTREE)
786	const_iv (HASH)	1168	const_iv (HASH)
787	const_iv (QUEUE)	1169	const_iv (QUEUE)
788	const_iv (RECNO)	1170	const_iv (RECNO)
789	const_iv (UNKNOWN)	1171	const_iv (UNKNOWN)
790	const_iv (EXCL)	1172	const_iv (EXCL)
791	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	1173	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	1174	const_iv (NOSYNC)
794	const_iv (CHKSUM)	1175	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	1176	const_iv (ENCRYPT)
796	const_iv (TXN_NOT_DURABLE)
797	const_iv (DUP)	1177	const_iv (DUP)
798	const_iv (DUPSORT)	1178	const_iv (DUPSORT)
799	const_iv (RECNUM)	1179	const_iv (RECNUM)
800	const_iv (RENUMBER)	1180	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	1181	const_iv (REVSPLITOFF)
802	const_iv (INORDER)
803	const_iv (CONSUME)	1182	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	1183	const_iv (CONSUME_WAIT)
		1184	const_iv (GET_BOTH)
		1185	const_iv (GET_BOTH_RANGE)
		1186	//const_iv (SET_RECNO)
		1187	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	1188	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	1189	const_iv (JOIN_ITEM)
		1190	const_iv (JOIN_NOSORT)
807	const_iv (RMW)	1191	const_iv (RMW)
808		1192
809	const_iv (NOTFOUND)	1193	const_iv (NOTFOUND)
810	const_iv (KEYEMPTY)	1194	const_iv (KEYEMPTY)
811	const_iv (LOCK_DEADLOCK)	1195	const_iv (LOCK_DEADLOCK)
812	const_iv (LOCK_NOTGRANTED)	1196	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	1197	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	1198	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	1199	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	1200	const_iv (SECONDARY_BAD)
817
818	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)
820		1201
821	const_iv (APPEND)	1202	const_iv (APPEND)
822	const_iv (NODUPDATA)	1203	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1204	const_iv (NOOVERWRITE)
824		1205
		1206	const_iv (TXN_NOWAIT)
		1207	const_iv (TXN_SYNC)
		1208
825	const_iv (SET_LOCK_TIMEOUT)	1209	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1210	const_iv (SET_TXN_TIMEOUT)
		1211
		1212	const_iv (FIRST)
		1213	const_iv (NEXT)
		1214	const_iv (NEXT_DUP)
		1215	const_iv (NEXT_NODUP)
		1216	const_iv (PREV)
		1217	const_iv (PREV_NODUP)
		1218	const_iv (SET)
		1219	const_iv (SET_RANGE)
		1220	const_iv (LAST)
		1221	const_iv (BEFORE)
		1222	const_iv (AFTER)
		1223	const_iv (CURRENT)
		1224	const_iv (KEYFIRST)
		1225	const_iv (KEYLAST)
		1226	const_iv (NODUPDATA)
		1227
		1228	const_iv (FORCE)
		1229
		1230	const_iv (LOCK_DEFAULT)
		1231	const_iv (LOCK_EXPIRE)
		1232	const_iv (LOCK_MAXLOCKS)
		1233	const_iv (LOCK_MINLOCKS)
		1234	const_iv (LOCK_MINWRITE)
		1235	const_iv (LOCK_OLDEST)
		1236	const_iv (LOCK_RANDOM)
		1237	const_iv (LOCK_YOUNGEST)
		1238
		1239	const_iv (DONOTINDEX)
		1240	const_iv (KEYEMPTY )
		1241	const_iv (KEYEXIST )
		1242	const_iv (LOCK_DEADLOCK)
		1243	const_iv (LOCK_NOTGRANTED)
		1244	const_iv (NOSERVER)
		1245	const_iv (NOSERVER_HOME)
		1246	const_iv (NOSERVER_ID)
		1247	const_iv (NOTFOUND)
		1248	const_iv (PAGE_NOTFOUND)
		1249	const_iv (REP_DUPMASTER)
		1250	const_iv (REP_HANDLE_DEAD)
		1251	const_iv (REP_HOLDELECTION)
		1252	const_iv (REP_ISPERM)
		1253	const_iv (REP_NEWMASTER)
		1254	const_iv (REP_NEWSITE)
		1255	const_iv (REP_NOTPERM)
		1256	const_iv (REP_UNAVAIL)
		1257	const_iv (RUNRECOVERY)
		1258	const_iv (SECONDARY_BAD)
		1259	const_iv (VERIFY_BAD)
		1260
		1261	const_iv (VERB_DEADLOCK)
		1262	const_iv (VERB_RECOVERY)
		1263	const_iv (VERB_REPLICATION)
		1264	const_iv (VERB_WAITSFOR)
		1265
		1266	const_iv (VERSION_MAJOR)
		1267	const_iv (VERSION_MINOR)
		1268	const_iv (VERSION_PATCH)
		1269	#if DB_VERSION_MINOR >= 3
		1270	const_iv (INORDER)
		1271	const_iv (LOCK_MAXWRITE)
		1272	const_iv (SEQ_DEC)
		1273	const_iv (SEQ_INC)
		1274	const_iv (SEQ_WRAP)
		1275	const_iv (BUFFER_SMALL)
		1276	const_iv (LOG_BUFFER_FULL)
		1277	const_iv (VERSION_MISMATCH)
		1278	#endif
		1279	#if DB_VERSION_MINOR >= 4
		1280	const_iv (REGISTER)
		1281	const_iv (DSYNC_DB)
		1282	const_iv (READ_COMMITTED)
		1283	const_iv (READ_UNCOMMITTED)
		1284	const_iv (REP_IGNORE)
		1285	const_iv (REP_LOCKOUT)
		1286	const_iv (REP_JOIN_FAILURE)
		1287	const_iv (FREE_SPACE)
		1288	const_iv (FREELIST_ONLY)
		1289	const_iv (VERB_REGISTER)
		1290	#endif
		1291	#if DB_VERSION_MINOR >= 5
		1292	const_iv (MULTIVERSION)
		1293	const_iv (TXN_SNAPSHOT)
		1294	#endif
		1295	#if DB_VERSION_MINOR >= 6
		1296	const_iv (PREV_DUP)
		1297	const_iv (PRIORITY_UNCHANGED)
		1298	const_iv (PRIORITY_VERY_LOW)
		1299	const_iv (PRIORITY_LOW)
		1300	const_iv (PRIORITY_DEFAULT)
		1301	const_iv (PRIORITY_HIGH)
		1302	const_iv (PRIORITY_VERY_HIGH)
		1303	#endif
		1304	#if DB_VERSION_MINOR >= 7
		1305	const_iv (LOG_DIRECT)
		1306	const_iv (LOG_DSYNC)
		1307	const_iv (LOG_AUTO_REMOVE)
		1308	const_iv (LOG_IN_MEMORY)
		1309	const_iv (LOG_ZERO)
		1310	#else
		1311	const_iv (DIRECT_LOG)
		1312	const_iv (LOG_AUTOREMOVE)
		1313	# if DB_VERSION_MINOR >= 3
		1314	const_iv (DSYNC_LOG)
		1315	const_iv (LOG_INMEMORY)
		1316	# endif
		1317	#endif
827	};	1318	};
828		1319
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1320	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1321	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
831		1322
832	create_pipe ();	1323	{
		1324	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1325	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1326
		1327	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1328	}
		1329
		1330	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1331
		1332	create_respipe ();
		1333
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1334	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1335	patch_errno ();
834	}	1336	}
835		1337
836	void	1338	void
837	max_poll_reqs (int nreqs)	1339	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1340	PROTOTYPE: $
…		…
957		1459
958	int	1460	int
959	nthreads ()	1461	nthreads ()
960	PROTOTYPE:	1462	PROTOTYPE:
961	CODE:	1463	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1464	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1465	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1466	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1467	OUTPUT:
966	RETVAL	1468	RETVAL
967		1469
968	void	1470	void
969	set_sync_prepare (SV *cb)	1471	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1472	PROTOTYPE: &
971	CODE:	1473	CODE:
972	SvREFCNT_dec (prepare_cb);	1474	SvREFCNT_dec (prepare_cb);
973	prepare_cb = newSVsv (cb);	1475	prepare_cb = newSVsv (cb);
		1476
		1477	char *
		1478	strerror (int errorno = errno)
		1479	PROTOTYPE: ;$
		1480	CODE:
		1481	RETVAL = db_strerror (errorno);
		1482	OUTPUT:
		1483	RETVAL
		1484
		1485	void _on_next_submit (SV *cb)
		1486	CODE:
		1487	SvREFCNT_dec (on_next_submit);
		1488	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
974		1489
975	DB_ENV *	1490	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1491	db_env_create (U32 env_flags = 0)
977	CODE:	1492	CODE:
978	{	1493	{
979	errno = db_env_create (&RETVAL, env_flags);	1494	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1495	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1496	croak ("db_env_create: %s", db_strerror (errno));
		1497
		1498	if (0)
		1499	{
		1500	RETVAL->set_errcall (RETVAL, debug_errcall);
		1501	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1502	}
982	}	1503	}
983	OUTPUT:	1504	OUTPUT:
984	RETVAL	1505	RETVAL
985		1506
986	void	1507	void
987	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1508	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1509	PREINIT:
		1510	CALLBACK
988	CODE:	1511	CODE:
989	{	1512	{
990	dREQ (REQ_ENV_OPEN);	1513	dREQ (REQ_ENV_OPEN, 1);
991	req->env = env;	1514	req->env = env;
992	req->uint1 = open_flags | DB_THREAD;	1515	req->uint1 = open_flags | DB_THREAD;
993	req->int1 = mode;	1516	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1517	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1518	REQ_SEND;
996	}	1519	}
997		1520
998	void	1521	void
999	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1522	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1523	PREINIT:
		1524	CALLBACK
1000	CODE:	1525	CODE:
1001	{	1526	{
1002	dREQ (REQ_ENV_CLOSE);	1527	dREQ (REQ_ENV_CLOSE, 1);
1003	req->env = env;	1528	req->env = env;
1004	req->uint1 = flags;	1529	req->uint1 = flags;
1005	REQ_SEND;	1530	REQ_SEND;
		1531	ptr_nuke (ST (0));
		1532	}
		1533
		1534	void
		1535	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
		1538	CODE:
		1539	{
		1540	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1541	req->env = env;
		1542	req->uint1 = kbyte;
		1543	req->int1 = min;
		1544	req->uint2 = flags;
		1545	REQ_SEND;
		1546	}
		1547
		1548	void
		1549	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
		1552	CODE:
		1553	{
		1554	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1555	req->env = env;
		1556	req->uint1 = flags;
		1557	req->uint2 = atype;
		1558	/* req->int2 = 0; dummy */
		1559	REQ_SEND;
		1560	}
		1561
		1562	void
		1563	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
		1566	CODE:
		1567	{
		1568	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1569	req->env = env;
		1570	REQ_SEND;
		1571	}
		1572
		1573	void
		1574	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
		1577	CODE:
		1578	{
		1579	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1580	req->env = env;
		1581	req->int1 = percent;
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1587	PREINIT:
		1588	CALLBACK
		1589	CODE:
		1590	{
		1591	dREQ (REQ_ENV_DBREMOVE, 2);
		1592	req->env = env;
		1593	req->buf1 = strdup_ornull (file);
		1594	req->buf2 = strdup_ornull (database);
		1595	req->uint1 = flags;
		1596	REQ_SEND;
		1597	}
		1598
		1599	void
		1600	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)
		1601	PREINIT:
		1602	CALLBACK
		1603	CODE:
		1604	{
		1605	dREQ (REQ_ENV_DBRENAME, 2);
		1606	req->env = env;
		1607	req->buf1 = strdup_ornull (file);
		1608	req->buf2 = strdup_ornull (database);
		1609	req->buf3 = strdup_ornull (newname);
		1610	req->uint1 = flags;
		1611	REQ_SEND;
1006	}	1612	}
1007		1613
1008	DB *	1614	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1615	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1616	CODE:
1011	{	1617	{
1012	errno = db_create (&RETVAL, env, flags);	1618	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1619	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1620	croak ("db_create: %s", db_strerror (errno));
		1621
		1622	if (RETVAL)
		1623	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1624	}
1016	OUTPUT:	1625	OUTPUT:
1017	RETVAL	1626	RETVAL
1018		1627
1019	void	1628	void
1020	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1629	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1630	PREINIT:
		1631	CALLBACK
1021	CODE:	1632	CODE:
1022	{	1633	{
1023	dREQ (REQ_DB_OPEN);	1634	dREQ (REQ_DB_OPEN, 2);
1024	req->db = db;	1635	req->db = db;
1025	req->txn = txnid;	1636	req->txn = txnid;
1026	req->buf1 = strdup_ornull (file);	1637	req->buf1 = strdup_ornull (file);
1027	req->buf2 = strdup_ornull (database);	1638	req->buf2 = strdup_ornull (database);
1028	req->int1 = type;	1639	req->int1 = type;
…		…
1030	req->int2 = mode;	1641	req->int2 = mode;
1031	REQ_SEND;	1642	REQ_SEND;
1032	}	1643	}
1033		1644
1034	void	1645	void
1035	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1646	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1647	PREINIT:
		1648	CALLBACK
1036	CODE:	1649	CODE:
1037	{	1650	{
1038	dREQ (REQ_DB_CLOSE);	1651	dREQ (REQ_DB_CLOSE, 1);
1039	req->db = db;	1652	req->db = db;
1040	req->uint1 = flags;	1653	req->uint1 = flags;
		1654	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1655	REQ_SEND;
		1656	ptr_nuke (ST (0));
1042	}	1657	}
1043		1658
		1659	#if DB_VERSION_MINOR >= 4
		1660
1044	void	1661	void
1045	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1662	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)
		1663	PREINIT:
		1664	CALLBACK
1046	CODE:	1665	CODE:
1047	{	1666	{
1048	dREQ (REQ_DB_COMPACT);	1667	dREQ (REQ_DB_COMPACT, 2);
1049	req->db = db;	1668	req->db = db;
1050	req->txn = txn;	1669	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1670	sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1671	sv_to_dbt (&req->dbt2, stop);
1053	req->uint1 = flags;	1672	req->uint1 = flags;
1054	REQ_SEND;	1673	REQ_SEND;
1055	}	1674	}
1056		1675
		1676	#endif
		1677
1057	void	1678	void
1058	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1679	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
1059	CODE:	1682	CODE:
1060	{	1683	{
1061	dREQ (REQ_DB_SYNC);	1684	dREQ (REQ_DB_SYNC, 1);
1062	req->db = db;	1685	req->db = db;
1063	req->uint1 = flags;	1686	req->uint1 = flags;
1064	REQ_SEND;	1687	REQ_SEND;
1065	}	1688	}
1066		1689
1067	void	1690	void
1068	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1691	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1692	PREINIT:
		1693	CALLBACK
1069	CODE:	1694	CODE:
1070	{	1695	{
1071	dREQ (REQ_DB_PUT);	1696	dREQ (REQ_DB_SYNC, 1);
1072	req->db = db;	1697	req->db = db;
1073	req->txn = 0;	1698	req->buf1 = strdup (file);
1074	set_dbt (&req->dbt1, key);
1075	set_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1699	req->uint1 = flags;
1077	REQ_SEND;	1700	REQ_SEND;
1078	}	1701	}
1079		1702
		1703	void
		1704	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_DB_KEY_RANGE, 2);
		1710	req->db = db;
		1711	req->txn = txn;
		1712	sv_to_dbt (&req->dbt1, key);
		1713	req->uint1 = flags;
		1714	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
		1719	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_PUT, 2);
		1725	req->db = db;
		1726	req->txn = txn;
		1727	sv_to_dbt (&req->dbt1, key);
		1728	sv_to_dbt (&req->dbt2, data);
		1729	req->uint1 = flags;
		1730	REQ_SEND;
		1731	}
		1732
		1733	#if DB_VERSION_MINOR >= 6
		1734
		1735	void
		1736	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
		1739	CODE:
		1740	{
		1741	dREQ (REQ_DB_EXISTS, 2);
		1742	req->db = db;
		1743	req->txn = txn;
		1744	req->uint1 = flags;
		1745	sv_to_dbt (&req->dbt1, key);
		1746	REQ_SEND;
		1747	}
		1748
		1749	#endif
		1750
		1751	void
		1752	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1753	PREINIT:
		1754	CALLBACK
		1755	CODE:
		1756	if (SvREADONLY (data))
		1757	croak ("can't modify read-only data scalar in db_get");
		1758	{
		1759	dREQ (REQ_DB_GET, 2);
		1760	req->db = db;
		1761	req->txn = txn;
		1762	req->uint1 = flags;
		1763	sv_to_dbt (&req->dbt1, key);
		1764	req->dbt3.flags = DB_DBT_MALLOC;
		1765	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1766	REQ_SEND;
		1767	}
		1768
		1769	void
		1770	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1771	PREINIT:
		1772	CALLBACK
		1773	CODE:
		1774	if (SvREADONLY (data))
		1775	croak ("can't modify read-only data scalar in db_pget");
		1776	{
		1777	dREQ (REQ_DB_PGET, 2);
		1778	req->db = db;
		1779	req->txn = txn;
		1780	req->uint1 = flags;
		1781	sv_to_dbt (&req->dbt1, key);
		1782	sv_to_dbt (&req->dbt2, pkey);
		1783	req->dbt3.flags = DB_DBT_MALLOC;
		1784	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1785	REQ_SEND;
		1786	}
		1787
		1788	void
		1789	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1790	PREINIT:
		1791	CALLBACK
		1792	CODE:
		1793	{
		1794	dREQ (REQ_DB_DEL, 2);
		1795	req->db = db;
		1796	req->txn = txn;
		1797	req->uint1 = flags;
		1798	sv_to_dbt (&req->dbt1, key);
		1799	REQ_SEND;
		1800	}
		1801
		1802	void
		1803	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1804	PREINIT:
		1805	CALLBACK
		1806	CODE:
		1807	{
		1808	dREQ (REQ_TXN_COMMIT, 1);
		1809	req->txn = txn;
		1810	req->uint1 = flags;
		1811	REQ_SEND;
		1812	ptr_nuke (ST (0));
		1813	}
		1814
		1815	void
		1816	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
		1819	CODE:
		1820	{
		1821	dREQ (REQ_TXN_ABORT, 1);
		1822	req->txn = txn;
		1823	REQ_SEND;
		1824	ptr_nuke (ST (0));
		1825	}
		1826
		1827	void
		1828	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
		1831	CODE:
		1832	{
		1833	dREQ (REQ_TXN_FINISH, 1);
		1834	req->txn = txn;
		1835	req->uint1 = flags;
		1836	REQ_SEND;
		1837	ptr_nuke (ST (0));
		1838	}
		1839
		1840	void
		1841	db_c_close (DBC *dbc, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
		1844	CODE:
		1845	{
		1846	dREQ (REQ_C_CLOSE, 1);
		1847	req->dbc = dbc;
		1848	REQ_SEND;
		1849	ptr_nuke (ST (0));
		1850	}
		1851
		1852	void
		1853	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_C_COUNT, 1);
		1859	req->dbc = dbc;
		1860	req->sv1 = SvREFCNT_inc (count);
		1861	REQ_SEND;
		1862	}
		1863
		1864	void
		1865	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1866	PREINIT:
		1867	CALLBACK
		1868	CODE:
		1869	{
		1870	dREQ (REQ_C_PUT, 1);
		1871	req->dbc = dbc;
		1872	sv_to_dbt (&req->dbt1, key);
		1873	sv_to_dbt (&req->dbt2, data);
		1874	req->uint1 = flags;
		1875	REQ_SEND;
		1876	}
		1877
		1878	void
		1879	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1880	PREINIT:
		1881	CALLBACK
		1882	CODE:
		1883	{
		1884	dREQ (REQ_C_GET, 1);
		1885	req->dbc = dbc;
		1886	req->uint1 = flags;
		1887	if ((flags & DB_SET) == DB_SET
		1888	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1889	sv_to_dbt (&req->dbt1, key);
		1890	else
		1891	req->dbt1.flags = DB_DBT_MALLOC;
		1892
		1893	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1894
		1895	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1896	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1897	sv_to_dbt (&req->dbt3, data);
		1898	else
		1899	req->dbt3.flags = DB_DBT_MALLOC;
		1900
		1901	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1902	REQ_SEND;
		1903	}
		1904
		1905	void
		1906	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
		1909	CODE:
		1910	{
		1911	dREQ (REQ_C_PGET, 1);
		1912	req->dbc = dbc;
		1913	req->uint1 = flags;
		1914	if ((flags & DB_SET) == DB_SET
		1915	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1916	sv_to_dbt (&req->dbt1, key);
		1917	else
		1918	req->dbt1.flags = DB_DBT_MALLOC;
		1919
		1920	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1921
		1922	req->dbt2.flags = DB_DBT_MALLOC;
		1923	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1924
		1925	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1926	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1927	sv_to_dbt (&req->dbt3, data);
		1928	else
		1929	req->dbt3.flags = DB_DBT_MALLOC;
		1930
		1931	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1932	REQ_SEND;
		1933	}
		1934
		1935	void
		1936	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1937	PREINIT:
		1938	CALLBACK
		1939	CODE:
		1940	{
		1941	dREQ (REQ_C_DEL, 1);
		1942	req->dbc = dbc;
		1943	req->uint1 = flags;
		1944	REQ_SEND;
		1945	}
		1946
		1947
		1948	#if DB_VERSION_MINOR >= 3
		1949
		1950	void
		1951	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
		1954	CODE:
		1955	{
		1956	dREQ (REQ_SEQ_OPEN, 2);
		1957	req->seq = seq;
		1958	req->txn = txnid;
		1959	req->uint1 = flags | DB_THREAD;
		1960	sv_to_dbt (&req->dbt1, key);
		1961	REQ_SEND;
		1962	}
		1963
		1964	void
		1965	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1966	PREINIT:
		1967	CALLBACK
		1968	CODE:
		1969	{
		1970	dREQ (REQ_SEQ_CLOSE, 1);
		1971	req->seq = seq;
		1972	req->uint1 = flags;
		1973	REQ_SEND;
		1974	ptr_nuke (ST (0));
		1975	}
		1976
		1977	void
		1978	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1979	PREINIT:
		1980	CALLBACK
		1981	CODE:
		1982	{
		1983	dREQ (REQ_SEQ_GET, 2);
		1984	req->seq = seq;
		1985	req->txn = txnid;
		1986	req->int1 = delta;
		1987	req->uint1 = flags;
		1988	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1989	REQ_SEND;
		1990	}
		1991
		1992	void
		1993	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
		1996	CODE:
		1997	{
		1998	dREQ (REQ_SEQ_REMOVE, 2);
		1999	req->seq = seq;
		2000	req->txn = txnid;
		2001	req->uint1 = flags;
		2002	REQ_SEND;
		2003	}
		2004
		2005	#endif
		2006
1080		2007
1081	MODULE = BDB PACKAGE = BDB::Env	2008	MODULE = BDB PACKAGE = BDB::Env
1082		2009
		2010	void
		2011	DESTROY (DB_ENV_ornuked *env)
		2012	CODE:
		2013	if (env)
		2014	env->close (env, 0);
		2015
		2016	int set_data_dir (DB_ENV *env, const char *dir)
		2017	CODE:
		2018	RETVAL = env->set_data_dir (env, dir);
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	int set_tmp_dir (DB_ENV *env, const char *dir)
		2023	CODE:
		2024	RETVAL = env->set_tmp_dir (env, dir);
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	int set_lg_dir (DB_ENV *env, const char *dir)
		2029	CODE:
		2030	RETVAL = env->set_lg_dir (env, dir);
		2031	OUTPUT:
		2032	RETVAL
		2033
		2034	int set_shm_key (DB_ENV *env, long shm_key)
		2035	CODE:
		2036	RETVAL = env->set_shm_key (env, shm_key);
		2037	OUTPUT:
		2038	RETVAL
		2039
1083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2040	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1084	CODE:	2041	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2042	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	2043	OUTPUT:
1087	RETVAL	2044	RETVAL
1088		2045
1089	int set_flags (DB_ENV *env, U32 flags, int onoff)	2046	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1090	CODE:	2047	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	2048	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	2049	OUTPUT:
1093	RETVAL	2050	RETVAL
1094		2051
		2052	#if DB_VERSION_MINOR >= 7
		2053
		2054	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2055	CODE:
		2056	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2057	OUTPUT:
		2058	RETVAL
		2059
		2060	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2061	CODE:
		2062	RETVAL = env->log_set_config (env, flags, onoff);
		2063	OUTPUT:
		2064	RETVAL
		2065
		2066	#endif
		2067
		2068
		2069	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2070	CODE:
		2071	env->set_errfile (env, errfile);
		2072
		2073	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2074	CODE:
		2075	env->set_msgfile (env, msgfile);
		2076
		2077	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2078	CODE:
		2079	RETVAL = env->set_verbose (env, which, onoff);
		2080	OUTPUT:
		2081	RETVAL
		2082
1095	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2083	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1096	CODE:	2084	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	2085	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	2086	OUTPUT:
1099	RETVAL	2087	RETVAL
1100		2088
1101	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2089	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1102	CODE:	2090	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2091	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	2092	OUTPUT:
1105	RETVAL	2093	RETVAL
1106		2094
		2095	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2096	CODE:
		2097	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2098	OUTPUT:
		2099	RETVAL
		2100
		2101	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2102	CODE:
		2103	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2104	OUTPUT:
		2105	RETVAL
		2106
		2107	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2108	CODE:
		2109	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2110	OUTPUT:
		2111	RETVAL
		2112
		2113	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2114	CODE:
		2115	RETVAL = env->set_lk_detect (env, detect);
		2116	OUTPUT:
		2117	RETVAL
		2118
		2119	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2120	CODE:
		2121	RETVAL = env->set_lk_max_lockers (env, max);
		2122	OUTPUT:
		2123	RETVAL
		2124
		2125	int set_lk_max_locks (DB_ENV *env, U32 max)
		2126	CODE:
		2127	RETVAL = env->set_lk_max_locks (env, max);
		2128	OUTPUT:
		2129	RETVAL
		2130
		2131	int set_lk_max_objects (DB_ENV *env, U32 max)
		2132	CODE:
		2133	RETVAL = env->set_lk_max_objects (env, max);
		2134	OUTPUT:
		2135	RETVAL
		2136
		2137	int set_lg_bsize (DB_ENV *env, U32 max)
		2138	CODE:
		2139	RETVAL = env->set_lg_bsize (env, max);
		2140	OUTPUT:
		2141	RETVAL
		2142
		2143	int set_lg_max (DB_ENV *env, U32 max)
		2144	CODE:
		2145	RETVAL = env->set_lg_max (env, max);
		2146	OUTPUT:
		2147	RETVAL
		2148
		2149	#if DB_VERSION_MINOR >= 4
		2150
		2151	int mutex_set_max (DB_ENV *env, U32 max)
		2152	CODE:
		2153	RETVAL = env->mutex_set_max (env, max);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_increment (DB_ENV *env, U32 increment)
		2158	CODE:
		2159	RETVAL = env->mutex_set_increment (env, increment);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2164	CODE:
		2165	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2166	OUTPUT:
		2167	RETVAL
		2168
		2169	int mutex_set_align (DB_ENV *env, U32 align)
		2170	CODE:
		2171	RETVAL = env->mutex_set_align (env, align);
		2172	OUTPUT:
		2173	RETVAL
		2174
		2175	#endif
		2176
		2177	DB_TXN *
		2178	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2179	CODE:
		2180	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2181	if (errno)
		2182	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2183	OUTPUT:
		2184	RETVAL
		2185
		2186	#if DB_VERSION_MINOR >= 5
		2187
		2188	DB_TXN *
		2189	cdsgroup_begin (DB_ENV *env)
		2190	CODE:
		2191	errno = env->cdsgroup_begin (env, &RETVAL);
		2192	if (errno)
		2193	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	#endif
1107		2198
1108	MODULE = BDB PACKAGE = BDB::Db	2199	MODULE = BDB PACKAGE = BDB::Db
1109		2200
		2201	void
		2202	DESTROY (DB_ornuked *db)
		2203	CODE:
		2204	if (db)
		2205	{
		2206	SV *env = (SV *)db->app_private;
		2207	db->close (db, 0);
		2208	SvREFCNT_dec (env);
		2209	}
		2210
1110	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2211	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1111	CODE:	2212	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2213	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	2214	OUTPUT:
1114	RETVAL	2215	RETVAL
1115		2216
1116	int set_flags (DB *db, U32 flags);	2217	int set_flags (DB *db, U32 flags)
1117	CODE:	2218	CODE:
1118	RETVAL = db->set_flags (db, flags);	2219	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	2220	OUTPUT:
1120	RETVAL	2221	RETVAL
1121		2222
…		…
1129	CODE:	2230	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	2231	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	2232	OUTPUT:
1132	RETVAL	2233	RETVAL
1133		2234
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	2235	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	2236	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	2237	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	2238	OUTPUT:
1139	RETVAL	2239	RETVAL
1140		2240
1141	int set_re_delim(DB *db, int delim);	2241	int set_re_delim (DB *db, int delim)
1142	CODE:	2242	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	2243	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	2244	OUTPUT:
1145	RETVAL	2245	RETVAL
1146		2246
…		…
1178	CODE:	2278	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	2279	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	2280	OUTPUT:
1181	RETVAL	2281	RETVAL
1182		2282
		2283	DBC *
		2284	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2285	CODE:
		2286	errno = db->cursor (db, txn, &RETVAL, flags);
		2287	if (errno)
		2288	croak ("DB->cursor: %s", db_strerror (errno));
		2289	OUTPUT:
		2290	RETVAL
1183		2291
		2292	#if DB_VERSION_MINOR >= 3
		2293
		2294	DB_SEQUENCE *
		2295	sequence (DB *db, U32 flags = 0)
		2296	CODE:
		2297	{
		2298	errno = db_sequence_create (&RETVAL, db, flags);
		2299	if (errno)
		2300	croak ("db_sequence_create: %s", db_strerror (errno));
		2301	}
		2302	OUTPUT:
		2303	RETVAL
		2304
		2305	#endif
		2306
		2307
		2308	MODULE = BDB PACKAGE = BDB::Txn
		2309
		2310	void
		2311	DESTROY (DB_TXN_ornuked *txn)
		2312	CODE:
		2313	if (txn)
		2314	txn->abort (txn);
		2315
		2316	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2317	CODE:
		2318	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2319	OUTPUT:
		2320	RETVAL
		2321
		2322	int failed (DB_TXN *txn)
		2323	CODE:
		2324	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2325	OUTPUT:
		2326	RETVAL
		2327
		2328
		2329	MODULE = BDB PACKAGE = BDB::Cursor
		2330
		2331	void
		2332	DESTROY (DBC_ornuked *dbc)
		2333	CODE:
		2334	if (dbc)
		2335	dbc->c_close (dbc);
		2336
		2337	#if DB_VERSION_MINOR >= 6
		2338
		2339	int set_priority (DBC *dbc, int priority)
		2340	CODE:
		2341	dbc->set_priority (dbc, priority);
		2342
		2343	#endif
		2344
		2345	#if DB_VERSION_MINOR >= 3
		2346
		2347	MODULE = BDB PACKAGE = BDB::Sequence
		2348
		2349	void
		2350	DESTROY (DB_SEQUENCE_ornuked *seq)
		2351	CODE:
		2352	if (seq)
		2353	seq->close (seq, 0);
		2354
		2355	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2356	CODE:
		2357	RETVAL = seq->initial_value (seq, value);
		2358	OUTPUT:
		2359	RETVAL
		2360
		2361	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2362	CODE:
		2363	RETVAL = seq->set_cachesize (seq, size);
		2364	OUTPUT:
		2365	RETVAL
		2366
		2367	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2368	CODE:
		2369	RETVAL = seq->set_flags (seq, flags);
		2370	OUTPUT:
		2371	RETVAL
		2372
		2373	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2374	CODE:
		2375	RETVAL = seq->set_range (seq, min, max);
		2376	OUTPUT:
		2377	RETVAL
		2378
		2379	#endif
		2380
		2381

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