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Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.55 by root, Fri Sep 26 02:37:33 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 SV SV_mutable;
34	* this is conservatice, likely most arches this runs	45
35	* on have atomic word read/writes.	46	typedef DB_ENV DB_ENV_ornull;
36	*/	47	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	48	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	49	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	50
40	# else	51	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB_TXN DB_TXN_ornuked;
42	# endif	53	typedef DBC DBC_ornuked;
		54	typedef DB DB_ornuked;
		55
		56	#if DB_VERSION_MINOR >= 3
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		58	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
43	#endif	59	#endif
44		60
45	typedef SV SV8; /* byte-sv, used for argument-checking */	61	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	62	typedef char *bdb_filename;
47		63
48	static SV *prepare_cb;	64	static SV *prepare_cb;
49		65
		66	#if DB_VERSION_MINOR >= 6
		67	# define c_close close
		68	# define c_count count
		69	# define c_del del
		70	# define c_dup dup
		71	# define c_get get
		72	# define c_pget pget
		73	# define c_put put
		74	#endif
		75
50	static inline char *	76	static char *
		77	get_bdb_filename (SV *sv)
		78	{
		79	if (!SvOK (sv))
		80	return 0;
		81
		82	#if _WIN32
		83	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		84	{
		85	STRLEN len;
		86	char *src = SvPVbyte (sv, len);
		87	SV *t1 = sv_newmortal ();
		88	SV *t2 = sv_newmortal ();
		89
		90	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		91	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		92
		93	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		94	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		95	SvPOK_only (t2);
		96	SvPVX (t2)[len] = 0;
		97	SvCUR_set (t2, len);
		98
		99	return SvPVX (t2);
		100	}
		101	#else
		102	return SvPVbyte_nolen (sv);
		103	#endif
		104	}
		105
		106	static void
		107	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		108	{
		109	printf ("err[%s]\n", msg);
		110	}
		111
		112	static void
		113	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		114	{
		115	printf ("msg[%s]\n", msg);
		116	}
		117
		118	static char *
51	strdup_ornull (const char *s)	119	strdup_ornull (const char *s)
52	{	120	{
53	return s ? strdup (s) : 0;	121	return s ? strdup (s) : 0;
54	}	122	}
55		123
		124	static void
		125	sv_to_dbt (DBT *dbt, SV *sv)
		126	{
		127	STRLEN len;
		128	char *data = SvPVbyte (sv, len);
		129
		130	dbt->data = malloc (len);
		131	memcpy (dbt->data, data, len);
		132	dbt->size = len;
		133	dbt->flags = DB_DBT_REALLOC;
		134	}
		135
		136	static void
		137	dbt_to_sv (SV *sv, DBT *dbt)
		138	{
		139	if (sv)
		140	{
		141	SvREADONLY_off (sv);
		142
		143	if (dbt->data)
		144	sv_setpvn_mg (sv, dbt->data, dbt->size);
		145	else
		146	sv_setsv_mg (sv, &PL_sv_undef);
		147
		148	SvREFCNT_dec (sv);
		149	}
		150
		151	free (dbt->data);
		152	}
		153
56	enum {	154	enum {
57	REQ_QUIT,	155	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	156	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		157	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,	158	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		159	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		160	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		161	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		162	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	163	};
61		164
62	typedef struct aio_cb	165	typedef struct bdb_cb
63	{	166	{
64	struct aio_cb *volatile next;	167	struct bdb_cb *volatile next;
65	SV *callback;	168	SV *callback;
66	int type, pri, result;	169	int type, pri, result;
67		170
68	DB_ENV *env;	171	DB_ENV *env;
69	DB *db;	172	DB *db;
70	DB_TXN *txn;	173	DB_TXN *txn;
71	DBC *cursor;	174	DBC *dbc;
		175
		176	UV uv1;
72	int int1, int2;	177	int int1, int2;
73	U32 uint1, uint2;	178	U32 uint1, uint2;
74	char *buf1, *buf2;	179	char *buf1, *buf2, *buf3;
		180	SV *sv1, *sv2, *sv3;
75		181
76	DBT dbt1, dbt2, dbt3;	182	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	183	DB_KEY_RANGE key_range;
		184	#if DB_VERSION_MINOR >= 3
		185	DB_SEQUENCE *seq;
		186	db_seq_t seq_t;
		187	#endif
78		188
		189	SV *rsv1, *rsv2; // keep some request objects alive
		190	} bdb_cb;
		191
79	typedef aio_cb *aio_req;	192	typedef bdb_cb *bdb_req;
80		193
81	enum {	194	enum {
82	PRI_MIN = -4,	195	PRI_MIN = -4,
83	PRI_MAX = 4,	196	PRI_MAX = 4,
84		197
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	200	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	201	};
89		202
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	203	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		204
		205	static SV *on_next_submit;
		206
92	static unsigned int max_poll_time = 0;	207	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	208	static unsigned int max_poll_reqs = 0;
94		209
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	210	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	211	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		216
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	217	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		218
104	static unsigned int started, idle, wanted;	219	static unsigned int started, idle, wanted;
105		220
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 */	221	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	222	static mutex_t wrklock = X_MUTEX_INIT;
117		223
118	typedef struct worker {	224	typedef struct worker {
119	/* locked by wrklock */	225	/* locked by wrklock */
120	struct worker *prev, *next;	226	struct worker *prev, *next;
121		227
122	pthread_t tid;	228	thread_t tid;
123		229
124	/* locked by reslock, reqlock or wrklock */	230	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	231	bdb_req req; /* currently processed request */
126	void *dbuf;	232	void *dbuf;
127	DIR *dirp;	233	DIR *dirp;
128	} worker;	234	} worker;
129		235
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	236	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	248	}
143		249
144	static volatile unsigned int nreqs, nready, npending;	250	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	251	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	252	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	253	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		254
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	255	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	256	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	257	static cond_t reqwait = X_COND_INIT;
152		258
153	#if WORDACCESS_UNSAFE	259	#if WORDACCESS_UNSAFE
154		260
155	static unsigned int get_nready ()	261	static unsigned int get_nready (void)
156	{	262	{
157	unsigned int retval;	263	unsigned int retval;
158		264
159	LOCK (reqlock);	265	X_LOCK (reqlock);
160	retval = nready;	266	retval = nready;
161	UNLOCK (reqlock);	267	X_UNLOCK (reqlock);
162		268
163	return retval;	269	return retval;
164	}	270	}
165		271
166	static unsigned int get_npending ()	272	static unsigned int get_npending (void)
167	{	273	{
168	unsigned int retval;	274	unsigned int retval;
169		275
170	LOCK (reslock);	276	X_LOCK (reslock);
171	retval = npending;	277	retval = npending;
172	UNLOCK (reslock);	278	X_UNLOCK (reslock);
173		279
174	return retval;	280	return retval;
175	}	281	}
176		282
177	static unsigned int get_nthreads ()	283	static unsigned int get_nthreads (void)
178	{	284	{
179	unsigned int retval;	285	unsigned int retval;
180		286
181	LOCK (wrklock);	287	X_LOCK (wrklock);
182	retval = started;	288	retval = started;
183	UNLOCK (wrklock);	289	X_UNLOCK (wrklock);
184		290
185	return retval;	291	return retval;
186	}	292	}
187		293
188	#else	294	#else
…		…
197	* a somewhat faster data structure might be nice, but	303	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	304	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	305	* per shift, the most expensive operation.
200	*/	306	*/
201	typedef struct {	307	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	308	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	309	int size;
204	} reqq;	310	} reqq;
205		311
206	static reqq req_queue;	312	static reqq req_queue;
207	static reqq res_queue;	313	static reqq res_queue;
208		314
209	int reqq_push (reqq *q, aio_req req)	315	int reqq_push (reqq *q, bdb_req req)
210	{	316	{
211	int pri = req->pri;	317	int pri = req->pri;
212	req->next = 0;	318	req->next = 0;
213		319
214	if (q->qe[pri])	320	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	326	q->qe[pri] = q->qs[pri] = req;
221		327
222	return q->size++;	328	return q->size++;
223	}	329	}
224		330
225	aio_req reqq_shift (reqq *q)	331	bdb_req reqq_shift (reqq *q)
226	{	332	{
227	int pri;	333	int pri;
228		334
229	if (!q->size)	335	if (!q->size)
230	return 0;	336	return 0;
231		337
232	--q->size;	338	--q->size;
233		339
234	for (pri = NUM_PRI; pri--; )	340	for (pri = NUM_PRI; pri--; )
235	{	341	{
236	aio_req req = q->qs[pri];	342	bdb_req req = q->qs[pri];
237		343
238	if (req)	344	if (req)
239	{	345	{
240	if (!(q->qs[pri] = req->next))	346	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	347	q->qe[pri] = 0;
…		…
245	}	351	}
246		352
247	abort ();	353	abort ();
248	}	354	}
249		355
250	static int poll_cb ();	356	static int poll_cb (void);
251	static void req_free (aio_req req);	357	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);	358	static void req_cancel (bdb_req req);
253		359
254	static int req_invoke (aio_req req)	360	static int req_invoke (bdb_req req)
255	{	361	{
256	dSP;	362	switch (req->type)
257
258	if (SvOK (req->callback))
259	{	363	{
		364	case REQ_DB_CLOSE:
		365	SvREFCNT_dec (req->sv1);
		366	break;
		367
		368	case REQ_DB_GET:
		369	case REQ_DB_PGET:
		370	case REQ_C_GET:
		371	case REQ_C_PGET:
		372	case REQ_DB_PUT:
		373	case REQ_C_PUT:
		374	dbt_to_sv (req->sv1, &req->dbt1);
		375	dbt_to_sv (req->sv2, &req->dbt2);
		376	dbt_to_sv (req->sv3, &req->dbt3);
		377	break;
		378
		379	case REQ_DB_KEY_RANGE:
		380	{
		381	AV *av = newAV ();
		382
		383	av_push (av, newSVnv (req->key_range.less));
		384	av_push (av, newSVnv (req->key_range.equal));
		385	av_push (av, newSVnv (req->key_range.greater));
		386
		387	SvREADONLY_off (req->sv1);
		388	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		389	SvREFCNT_dec (req->sv1);
		390	}
		391	break;
		392
		393	#if DB_VERSION_MINOR >= 3
		394	case REQ_SEQ_GET:
		395	SvREADONLY_off (req->sv1);
		396
		397	if (sizeof (IV) > 4)
		398	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		399	else
		400	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		401
		402	SvREFCNT_dec (req->sv1);
		403	break;
		404	#endif
		405	}
		406
		407	errno = req->result;
		408
		409	if (req->callback)
		410	{
		411	dSP;
		412
260	ENTER;	413	ENTER;
261	SAVETMPS;	414	SAVETMPS;
262	PUSHMARK (SP);	415	PUSHMARK (SP);
263	EXTEND (SP, 1);
264
265	switch (req->type)
266	{
267	}
268
269	errno = req->result;
270		416
271	PUTBACK;	417	PUTBACK;
272	call_sv (req->callback, G_VOID | G_EVAL);	418	call_sv (req->callback, G_VOID | G_EVAL);
273	SPAGAIN;	419	SPAGAIN;
274		420
275	FREETMPS;	421	FREETMPS;
276	LEAVE;	422	LEAVE;
		423
		424	return !SvTRUE (ERRSV);
277	}	425	}
278		426
279	return !SvTRUE (ERRSV);	427	return 1;
280	}	428	}
281		429
282	static void req_free (aio_req req)	430	static void req_free (bdb_req req)
283	{	431	{
		432	SvREFCNT_dec (req->callback);
		433
		434	SvREFCNT_dec (req->rsv1);
		435	SvREFCNT_dec (req->rsv2);
		436
284	free (req->buf1);	437	free (req->buf1);
285	free (req->buf2);	438	free (req->buf2);
		439	free (req->buf3);
		440
286	Safefree (req);	441	Safefree (req);
287	}	442	}
288		443
289	static void *aio_proc (void *arg);	444	#ifdef USE_SOCKETS_AS_HANDLES
		445	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		446	#else
		447	# define TO_SOCKET(x) (x)
		448	#endif
		449
		450	static void
		451	create_respipe (void)
		452	{
		453	#ifdef _WIN32
		454	int arg; /* argg */
		455	#endif
		456	int old_readfd = respipe [0];
		457
		458	if (respipe [1] >= 0)
		459	respipe_close (TO_SOCKET (respipe [1]));
		460
		461	#ifdef _WIN32
		462	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		463	#else
		464	if (pipe (respipe))
		465	#endif
		466	croak ("unable to initialize result pipe");
		467
		468	if (old_readfd >= 0)
		469	{
		470	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		471	croak ("unable to initialize result pipe(2)");
		472
		473	respipe_close (respipe [0]);
		474	respipe [0] = old_readfd;
		475	}
		476
		477	#ifdef _WIN32
		478	arg = 1;
		479	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		480	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		481	#else
		482	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		483	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		484	#endif
		485	croak ("unable to initialize result pipe(3)");
		486
		487	respipe_osf [0] = TO_SOCKET (respipe [0]);
		488	respipe_osf [1] = TO_SOCKET (respipe [1]);
		489	}
		490
		491	static void bdb_request (bdb_req req);
		492	X_THREAD_PROC (bdb_proc);
290		493
291	static void start_thread (void)	494	static void start_thread (void)
292	{	495	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	496	worker *wrk = calloc (1, sizeof (worker));
297		497
298	if (!wrk)	498	if (!wrk)
299	croak ("unable to allocate worker thread data");	499	croak ("unable to allocate worker thread data");
300		500
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);	501	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	502	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	503	{
314	wrk->prev = &wrk_first;	504	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	505	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	506	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	507	wrk_first.next = wrk;
318	++started;	508	++started;
319	}	509	}
320	else	510	else
321	free (wrk);	511	free (wrk);
322		512
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	513	X_UNLOCK (wrklock);
325	}	514	}
326		515
327	static void maybe_start_thread ()	516	static void maybe_start_thread (void)
328	{	517	{
329	if (get_nthreads () >= wanted)	518	if (get_nthreads () >= wanted)
330	return;	519	return;
331		520
332	/* todo: maybe use idle here, but might be less exact */	521	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	523	return;
335		524
336	start_thread ();	525	start_thread ();
337	}	526	}
338		527
339	static void req_send (aio_req req)	528	static void req_send (bdb_req req)
340	{	529	{
341	SV *wait_callback = 0;	530	SV *wait_callback = 0;
342		531
343	// synthesize callback if none given	532	if (on_next_submit)
344	if (!SvOK (req->callback))
345	{	533	{
346	dSP;	534	dSP;
		535	SV *cb = sv_2mortal (on_next_submit);
		536
		537	on_next_submit = 0;
		538
347	PUSHMARK (SP);	539	PUSHMARK (SP);
348	PUTBACK;	540	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	541	call_sv (cb, G_DISCARD | G_EVAL);
350	SPAGAIN;	542	SPAGAIN;
351
352	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");
354
355	wait_callback = SvREFCNT_inc (POPs);
356	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);
358	}	543	}
359		544
		545	// synthesize callback if none given
		546	if (!req->callback)
		547	{
		548	if (SvOK (prepare_cb))
		549	{
		550	int count;
		551
		552	dSP;
		553	PUSHMARK (SP);
		554	PUTBACK;
		555	count = call_sv (prepare_cb, G_ARRAY);
		556	SPAGAIN;
		557
		558	if (count != 2)
		559	croak ("sync prepare callback must return exactly two values\n");
		560
		561	wait_callback = POPs;
		562	req->callback = SvREFCNT_inc (POPs);
		563	}
		564	else
		565	{
		566	// execute request synchronously
		567	bdb_request (req);
		568	req_invoke (req);
		569	req_free (req);
		570	return;
		571	}
		572	}
		573
360	++nreqs;	574	++nreqs;
361		575
362	LOCK (reqlock);	576	X_LOCK (reqlock);
363	++nready;	577	++nready;
364	reqq_push (&req_queue, req);	578	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	579	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	580	X_UNLOCK (reqlock);
367		581
368	maybe_start_thread ();	582	maybe_start_thread ();
369		583
370	if (wait_callback)	584	if (wait_callback)
371	{	585	{
372	dSP;	586	dSP;
373	PUSHMARK (SP);	587	PUSHMARK (SP);
374	PUTBACK;	588	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	589	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	590	}
378	}	591	}
379		592
380	static void end_thread (void)	593	static void end_thread (void)
381	{	594	{
382	aio_req req;	595	bdb_req req = calloc (1, sizeof (bdb_cb));
383
384	Newz (0, req, 1, aio_cb);
385		596
386	req->type = REQ_QUIT;	597	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	598	req->pri = PRI_MAX + PRI_BIAS;
388		599
389	LOCK (reqlock);	600	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	601	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	602	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	603	X_UNLOCK (reqlock);
393		604
394	LOCK (wrklock);	605	X_LOCK (wrklock);
395	--started;	606	--started;
396	UNLOCK (wrklock);	607	X_UNLOCK (wrklock);
397	}	608	}
398		609
399	static void set_max_idle (int nthreads)	610	static void set_max_idle (int nthreads)
400	{	611	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	612	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	613	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	614	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	615	}
405		616
406	static void min_parallel (int nthreads)	617	static void min_parallel (int nthreads)
407	{	618	{
408	if (wanted < nthreads)	619	if (wanted < nthreads)
…		…
416		627
417	while (started > wanted)	628	while (started > wanted)
418	end_thread ();	629	end_thread ();
419	}	630	}
420		631
421	static void poll_wait ()	632	static void poll_wait (void)
422	{	633	{
423	fd_set rfd;	634	fd_set rfd;
424		635
425	while (nreqs)	636	while (nreqs)
426	{	637	{
427	int size;	638	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	639	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	640	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	641	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		642
432	if (size)	643	if (size)
433	return;	644	return;
434		645
435	maybe_start_thread ();	646	maybe_start_thread ();
436		647
437	FD_ZERO(&rfd);	648	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	649	FD_SET (respipe [0], &rfd);
439		650
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	651	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	652	}
442	}	653	}
443		654
444	static int poll_cb ()	655	static int poll_cb (void)
445	{	656	{
446	dSP;	657	dSP;
447	int count = 0;	658	int count = 0;
448	int maxreqs = max_poll_reqs;	659	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	660	int do_croak = 0;
450	struct timeval tv_start, tv_now;	661	struct timeval tv_start, tv_now;
451	aio_req req;	662	bdb_req req;
452		663
453	if (max_poll_time)	664	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	665	gettimeofday (&tv_start, 0);
455		666
456	for (;;)	667	for (;;)
457	{	668	{
458	for (;;)	669	for (;;)
459	{	670	{
460	maybe_start_thread ();	671	maybe_start_thread ();
461		672
462	LOCK (reslock);	673	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	674	req = reqq_shift (&res_queue);
464		675
465	if (req)	676	if (req)
466	{	677	{
467	--npending;	678	--npending;
468		679
469	if (!res_queue.size)	680	if (!res_queue.size)
470	{	681	{
471	/* read any signals sent by the worker threads */	682	/* read any signals sent by the worker threads */
472	char buf [4];	683	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	684	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	685	;
475	}	686	}
476	}	687	}
477		688
478	UNLOCK (reslock);	689	X_UNLOCK (reslock);
479		690
480	if (!req)	691	if (!req)
481	break;	692	break;
482		693
483	--nreqs;	694	--nreqs;
…		…
513	}	724	}
514		725
515	return count;	726	return count;
516	}	727	}
517		728
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	/*****************************************************************************/	729	/*****************************************************************************/
531		730
532	static void *aio_proc (void *thr_arg)	731	static void
		732	bdb_request (bdb_req req)
533	{	733	{
		734	switch (req->type)
		735	{
		736	case REQ_ENV_OPEN:
		737	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		738	break;
		739
		740	case REQ_ENV_CLOSE:
		741	req->result = req->env->close (req->env, req->uint1);
		742	break;
		743
		744	case REQ_ENV_TXN_CHECKPOINT:
		745	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		746	break;
		747
		748	case REQ_ENV_LOCK_DETECT:
		749	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		750	break;
		751
		752	case REQ_ENV_MEMP_SYNC:
		753	req->result = req->env->memp_sync (req->env, 0);
		754	break;
		755
		756	case REQ_ENV_MEMP_TRICKLE:
		757	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		758	break;
		759
		760	case REQ_ENV_DBREMOVE:
		761	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		762	break;
		763
		764	case REQ_ENV_DBRENAME:
		765	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		766	break;
		767
		768	case REQ_DB_OPEN:
		769	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		770	break;
		771
		772	case REQ_DB_CLOSE:
		773	req->result = req->db->close (req->db, req->uint1);
		774	break;
		775
		776	#if DB_VERSION_MINOR >= 4
		777	case REQ_DB_COMPACT:
		778	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		779	break;
		780	#endif
		781
		782	case REQ_DB_SYNC:
		783	req->result = req->db->sync (req->db, req->uint1);
		784	break;
		785
		786	case REQ_DB_UPGRADE:
		787	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		788	break;
		789
		790	case REQ_DB_PUT:
		791	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		792	break;
		793
		794	#if DB_VERSION_MINOR >= 6
		795	case REQ_DB_EXISTS:
		796	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		797	break;
		798	#endif
		799	case REQ_DB_GET:
		800	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		801	break;
		802
		803	case REQ_DB_PGET:
		804	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		805	break;
		806
		807	case REQ_DB_DEL:
		808	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		809	break;
		810
		811	case REQ_DB_KEY_RANGE:
		812	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		813	break;
		814
		815	case REQ_TXN_COMMIT:
		816	req->result = req->txn->commit (req->txn, req->uint1);
		817	break;
		818
		819	case REQ_TXN_ABORT:
		820	req->result = req->txn->abort (req->txn);
		821	break;
		822
		823	case REQ_TXN_FINISH:
		824	if (req->txn->flags & TXN_DEADLOCK)
		825	{
		826	req->result = req->txn->abort (req->txn);
		827	if (!req->result)
		828	req->result = DB_LOCK_DEADLOCK;
		829	}
		830	else
		831	req->result = req->txn->commit (req->txn, req->uint1);
		832	break;
		833
		834	case REQ_C_CLOSE:
		835	req->result = req->dbc->c_close (req->dbc);
		836	break;
		837
		838	case REQ_C_COUNT:
		839	{
		840	db_recno_t recno;
		841	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		842	req->uv1 = recno;
		843	}
		844	break;
		845
		846	case REQ_C_PUT:
		847	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		848	break;
		849
		850	case REQ_C_GET:
		851	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		852	break;
		853
		854	case REQ_C_PGET:
		855	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		856	break;
		857
		858	case REQ_C_DEL:
		859	req->result = req->dbc->c_del (req->dbc, req->uint1);
		860	break;
		861
		862	#if DB_VERSION_MINOR >= 3
		863	case REQ_SEQ_OPEN:
		864	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		865	break;
		866
		867	case REQ_SEQ_CLOSE:
		868	req->result = req->seq->close (req->seq, req->uint1);
		869	break;
		870
		871	case REQ_SEQ_GET:
		872	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		873	break;
		874
		875	case REQ_SEQ_REMOVE:
		876	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		877	break;
		878	#endif
		879
		880	default:
		881	req->result = ENOSYS;
		882	break;
		883	}
		884
		885	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		886	req->txn->flags |= TXN_DEADLOCK;
		887	}
		888
		889	X_THREAD_PROC (bdb_proc)
		890	{
534	aio_req req;	891	bdb_req req;
535	struct timespec ts;	892	struct timespec ts;
536	worker *self = (worker *)thr_arg;	893	worker *self = (worker *)thr_arg;
537		894
538	/* try to distribute timeouts somewhat evenly */	895	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	896	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		897
542	for (;;)	898	for (;;)
543	{	899	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	900	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		901
546	LOCK (reqlock);	902	X_LOCK (reqlock);
547		903
548	for (;;)	904	for (;;)
549	{	905	{
550	self->req = req = reqq_shift (&req_queue);	906	self->req = req = reqq_shift (&req_queue);
551		907
552	if (req)	908	if (req)
553	break;	909	break;
554		910
555	++idle;	911	++idle;
556		912
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	913	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	914	== ETIMEDOUT)
559	{	915	{
560	if (idle > max_idle)	916	if (idle > max_idle)
561	{	917	{
562	--idle;	918	--idle;
563	UNLOCK (reqlock);	919	X_UNLOCK (reqlock);
564	LOCK (wrklock);	920	X_LOCK (wrklock);
565	--started;	921	--started;
566	UNLOCK (wrklock);	922	X_UNLOCK (wrklock);
567	goto quit;	923	goto quit;
568	}	924	}
569		925
570	/* we are allowed to idle, so do so without any timeout */	926	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	927	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	928	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	929	}
574		930
575	--idle;	931	--idle;
576	}	932	}
577		933
578	--nready;	934	--nready;
579		935
580	UNLOCK (reqlock);	936	X_UNLOCK (reqlock);
581		937
582	switch (req->type)	938	if (req->type == REQ_QUIT)
583	{	939	{
584	case REQ_QUIT:	940	X_LOCK (reslock);
		941	free (req);
		942	self->req = 0;
		943	X_UNLOCK (reslock);
		944
585	goto quit;	945	goto quit;
586
587	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;
590
591	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);
593	break;
594
595	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;
598
599	case REQ_DB_CLOSE:
600	req->result = req->db->close (req->db, req->uint1);
601	break;
602
603	case REQ_DB_COMPACT:
604	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
605	break;
606
607	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);
609	break;
610
611	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;
614
615	default:
616	req->result = ENOSYS;
617	break;
618	}	946	}
619		947
		948	bdb_request (req);
		949
620	LOCK (reslock);	950	X_LOCK (reslock);
621		951
622	++npending;	952	++npending;
623		953
624	if (!reqq_push (&res_queue, req))	954	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	955	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	956	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		957
628	self->req = 0;	958	self->req = 0;
629	worker_clear (self);	959	worker_clear (self);
630		960
631	UNLOCK (reslock);	961	X_UNLOCK (reslock);
632	}	962	}
633		963
634	quit:	964	quit:
635	LOCK (wrklock);	965	X_LOCK (wrklock);
636	worker_free (self);	966	worker_free (self);
637	UNLOCK (wrklock);	967	X_UNLOCK (wrklock);
638		968
639	return 0;	969	return 0;
640	}	970	}
641		971
642	/*****************************************************************************/	972	/*****************************************************************************/
643		973
644	static void atfork_prepare (void)	974	static void atfork_prepare (void)
645	{	975	{
646	LOCK (wrklock);	976	X_LOCK (wrklock);
647	LOCK (reqlock);	977	X_LOCK (reqlock);
648	LOCK (reslock);	978	X_LOCK (reslock);
649	}	979	}
650		980
651	static void atfork_parent (void)	981	static void atfork_parent (void)
652	{	982	{
653	UNLOCK (reslock);	983	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	984	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	985	X_UNLOCK (wrklock);
656	}	986	}
657		987
658	static void atfork_child (void)	988	static void atfork_child (void)
659	{	989	{
660	aio_req prv;	990	bdb_req prv;
661		991
662	while (prv = reqq_shift (&req_queue))	992	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	993	req_free (prv);
664		994
665	while (prv = reqq_shift (&res_queue))	995	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	1010	idle = 0;
681	nreqs = 0;	1011	nreqs = 0;
682	nready = 0;	1012	nready = 0;
683	npending = 0;	1013	npending = 0;
684		1014
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	1015	create_respipe ();
688		1016
689	atfork_parent ();	1017	atfork_parent ();
690	}	1018	}
691		1019
692	#define dREQ(reqtype) \	1020	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	1021	bdb_req req; \
694	int req_pri = next_pri; \	1022	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1023	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1024	\
697	if (SvOK (callback) && !SvROK (callback)) \	1025	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1026	croak ("callback has illegal type or extra arguments"); \
699	\	1027	\
700	Newz (0, req, 1, aio_cb); \	1028	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1029	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1030	croak ("out of memory during bdb_req allocation"); \
703	\	1031	\
704	req->callback = newSVsv (callback); \	1032	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1033	req->type = (reqtype); \
706	req->pri = req_pri	1034	req->pri = req_pri; \
		1035	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1036	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1037	(void)0;
707		1038
708	#define REQ_SEND \	1039	#define REQ_SEND \
709	req_send (req)	1040	req_send (req)
710		1041
711	#define SvPTR(var, arg, type, class) \	1042	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1043	if (!SvOK (arg)) \
		1044	{ \
		1045	if (nullok != 1) \
		1046	croak (# var " must be a " # class " object, not undef"); \
		1047	\
713	(var) = 0; \	1048	(var) = 0; \
		1049	} \
714	else if (sv_derived_from ((arg), # class)) \	1050	else if (sv_derived_from ((arg), # class)) \
715	{ \	1051	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1052	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1053	(var) = INT2PTR (type, tmp); \
		1054	if (!var && nullok != 2) \
		1055	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1056	} \
719	else \	1057	else \
720	Perl_croak (# var " is not of type " # class)	1058	croak (# var " is not of type " # class);
721		1059
722	inline void	1060	#define ARG_MUTABLE(name) \
723	set_dbt (DBT *dbt, SV *sv)	1061	if (SvREADONLY (name)) \
724	{	1062	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
725	STRLEN len;
726	char *data = SvPVbyte (sv, len);
727		1063
728	dbt->data = malloc (len);	1064	static void
729	memcpy (dbt->data, data, len);	1065	ptr_nuke (SV *sv)
730	dbt->size = len;	1066	{
		1067	assert (SvROK (sv));
		1068	sv_setiv (SvRV (sv), 0);
731	}	1069	}
732		1070
		1071	static int
		1072	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1073	{
		1074	if (*mg->mg_ptr == '!') // should always be the case
		1075	if (-30999 <= errno && errno <= -30800)
		1076	{
		1077	sv_setnv (sv, (NV)errno);
		1078	sv_setpv (sv, db_strerror (errno));
		1079	SvNOK_on (sv); /* what a wonderful hack! */
		1080	// ^^^ copied from perl sources
		1081	return 0;
		1082	}
		1083
		1084	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1085	}
		1086
		1087	static MGVTBL vtbl_errno;
		1088
		1089	// this wonderful hack :( patches perl's $! variable to support our errno values
		1090	static void
		1091	patch_errno (void)
		1092	{
		1093	SV *sv;
		1094	MAGIC *mg;
		1095
		1096	if (!(sv = get_sv ("!", 1)))
		1097	return;
		1098
		1099	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1100	return;
		1101
		1102	if (mg->mg_virtual != &PL_vtbl_sv)
		1103	return;
		1104
		1105	vtbl_errno = PL_vtbl_sv;
		1106	vtbl_errno.svt_get = errno_get;
		1107	mg->mg_virtual = &vtbl_errno;
		1108	}
		1109
		1110	#if __GNUC__ >= 4
		1111	# define noinline __attribute__ ((noinline))
		1112	#else
		1113	# define noinline
		1114	#endif
		1115
		1116	static noinline SV *
		1117	pop_callback (I32 *ritems, SV *sv)
		1118	{
		1119	if (SvROK (sv))
		1120	{
		1121	HV *st;
		1122	GV *gvp;
		1123	CV *cv;
		1124	const char *name;
		1125
		1126	/* forgive me */
		1127	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1128	&& (st = SvSTASH (SvRV (sv)))
		1129	&& (name = HvNAME_get (st))
		1130	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1131	return 0;
		1132
		1133	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1134	{
		1135	--*ritems;
		1136	return (SV *)cv;
		1137	}
		1138	}
		1139
		1140	return 0;
		1141	}
		1142
		1143	/* stupid windoes defined CALLBACK as well */
		1144	#undef CALLBACK
		1145	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1146
733	MODULE = BDB PACKAGE = BDB	1147	MODULE = BDB PACKAGE = BDB
734		1148
735	PROTOTYPES: ENABLE	1149	PROTOTYPES: ENABLE
736		1150
737	BOOT:	1151	BOOT:
…		…
752	const_iv (INIT_TXN)	1166	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1167	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1168	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1169	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1170	const_iv (CREATE)
		1171	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1172	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1173	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1174	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1175	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1176	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1177	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1178	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1179	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)	1180	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1181	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1182	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1183	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1184	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1185	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1186	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1187	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1188	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1189	const_iv (TXN_WRITE_NOSYNC)
		1190	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1191	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1192	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1193	const_iv (XA_CREATE)
785	const_iv (BTREE)	1194	const_iv (BTREE)
786	const_iv (HASH)	1195	const_iv (HASH)
787	const_iv (QUEUE)	1196	const_iv (QUEUE)
788	const_iv (RECNO)	1197	const_iv (RECNO)
789	const_iv (UNKNOWN)	1198	const_iv (UNKNOWN)
790	const_iv (EXCL)	1199	const_iv (EXCL)
791	const_iv (READ_COMMITTED)
792	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1200	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1201	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1202	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1203	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1204	const_iv (DUP)
799	const_iv (DUPSORT)	1205	const_iv (DUPSORT)
800	const_iv (RECNUM)	1206	const_iv (RECNUM)
801	const_iv (RENUMBER)	1207	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1208	const_iv (REVSPLITOFF)
803	const_iv (INORDER)
804	const_iv (CONSUME)	1209	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1210	const_iv (CONSUME_WAIT)
		1211	const_iv (GET_BOTH)
		1212	const_iv (GET_BOTH_RANGE)
		1213	//const_iv (SET_RECNO)
		1214	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1215	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1216	const_iv (JOIN_ITEM)
		1217	const_iv (JOIN_NOSORT)
808	const_iv (RMW)	1218	const_iv (RMW)
809		1219
810	const_iv (NOTFOUND)	1220	const_iv (NOTFOUND)
811	const_iv (KEYEMPTY)	1221	const_iv (KEYEMPTY)
812	const_iv (LOCK_DEADLOCK)	1222	const_iv (LOCK_DEADLOCK)
813	const_iv (LOCK_NOTGRANTED)	1223	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1224	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1225	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1226	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1227	const_iv (SECONDARY_BAD)
818
819	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)
821		1228
822	const_iv (APPEND)	1229	const_iv (APPEND)
823	const_iv (NODUPDATA)	1230	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1231	const_iv (NOOVERWRITE)
825		1232
826	const_iv (TXN_NOWAIT)	1233	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1234	const_iv (TXN_SYNC)
829		1235
830	const_iv (SET_LOCK_TIMEOUT)	1236	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1237	const_iv (SET_TXN_TIMEOUT)
		1238
		1239	const_iv (FIRST)
		1240	const_iv (NEXT)
		1241	const_iv (NEXT_DUP)
		1242	const_iv (NEXT_NODUP)
		1243	const_iv (PREV)
		1244	const_iv (PREV_NODUP)
		1245	const_iv (SET)
		1246	const_iv (SET_RANGE)
		1247	const_iv (LAST)
		1248	const_iv (BEFORE)
		1249	const_iv (AFTER)
		1250	const_iv (CURRENT)
		1251	const_iv (KEYFIRST)
		1252	const_iv (KEYLAST)
		1253	const_iv (NODUPDATA)
		1254
		1255	const_iv (FORCE)
		1256
		1257	const_iv (LOCK_DEFAULT)
		1258	const_iv (LOCK_EXPIRE)
		1259	const_iv (LOCK_MAXLOCKS)
		1260	const_iv (LOCK_MINLOCKS)
		1261	const_iv (LOCK_MINWRITE)
		1262	const_iv (LOCK_OLDEST)
		1263	const_iv (LOCK_RANDOM)
		1264	const_iv (LOCK_YOUNGEST)
		1265
		1266	const_iv (DONOTINDEX)
		1267	const_iv (KEYEMPTY )
		1268	const_iv (KEYEXIST )
		1269	const_iv (LOCK_DEADLOCK)
		1270	const_iv (LOCK_NOTGRANTED)
		1271	const_iv (NOSERVER)
		1272	const_iv (NOSERVER_HOME)
		1273	const_iv (NOSERVER_ID)
		1274	const_iv (NOTFOUND)
		1275	const_iv (PAGE_NOTFOUND)
		1276	const_iv (REP_DUPMASTER)
		1277	const_iv (REP_HANDLE_DEAD)
		1278	const_iv (REP_HOLDELECTION)
		1279	const_iv (REP_ISPERM)
		1280	const_iv (REP_NEWMASTER)
		1281	const_iv (REP_NEWSITE)
		1282	const_iv (REP_NOTPERM)
		1283	const_iv (REP_UNAVAIL)
		1284	const_iv (RUNRECOVERY)
		1285	const_iv (SECONDARY_BAD)
		1286	const_iv (VERIFY_BAD)
		1287
		1288	const_iv (VERB_DEADLOCK)
		1289	const_iv (VERB_RECOVERY)
		1290	const_iv (VERB_REPLICATION)
		1291	const_iv (VERB_WAITSFOR)
		1292
		1293	const_iv (VERSION_MAJOR)
		1294	const_iv (VERSION_MINOR)
		1295	const_iv (VERSION_PATCH)
		1296	#if DB_VERSION_MINOR >= 3
		1297	const_iv (INORDER)
		1298	const_iv (LOCK_MAXWRITE)
		1299	const_iv (SEQ_DEC)
		1300	const_iv (SEQ_INC)
		1301	const_iv (SEQ_WRAP)
		1302	const_iv (BUFFER_SMALL)
		1303	const_iv (LOG_BUFFER_FULL)
		1304	const_iv (VERSION_MISMATCH)
		1305	#endif
		1306	#if DB_VERSION_MINOR >= 4
		1307	const_iv (REGISTER)
		1308	const_iv (DSYNC_DB)
		1309	const_iv (READ_COMMITTED)
		1310	const_iv (READ_UNCOMMITTED)
		1311	const_iv (REP_IGNORE)
		1312	const_iv (REP_LOCKOUT)
		1313	const_iv (REP_JOIN_FAILURE)
		1314	const_iv (FREE_SPACE)
		1315	const_iv (FREELIST_ONLY)
		1316	const_iv (VERB_REGISTER)
		1317	#endif
		1318	#if DB_VERSION_MINOR >= 5
		1319	const_iv (MULTIVERSION)
		1320	const_iv (TXN_SNAPSHOT)
		1321	#endif
		1322	#if DB_VERSION_MINOR >= 6
		1323	const_iv (PREV_DUP)
		1324	const_iv (PRIORITY_UNCHANGED)
		1325	const_iv (PRIORITY_VERY_LOW)
		1326	const_iv (PRIORITY_LOW)
		1327	const_iv (PRIORITY_DEFAULT)
		1328	const_iv (PRIORITY_HIGH)
		1329	const_iv (PRIORITY_VERY_HIGH)
		1330	#endif
		1331	#if DB_VERSION_MINOR >= 7
		1332	const_iv (LOG_DIRECT)
		1333	const_iv (LOG_DSYNC)
		1334	const_iv (LOG_AUTO_REMOVE)
		1335	const_iv (LOG_IN_MEMORY)
		1336	const_iv (LOG_ZERO)
		1337	#else
		1338	const_iv (DIRECT_LOG)
		1339	const_iv (LOG_AUTOREMOVE)
		1340	# if DB_VERSION_MINOR >= 3
		1341	const_iv (DSYNC_LOG)
		1342	const_iv (LOG_INMEMORY)
		1343	# endif
		1344	#endif
832	};	1345	};
833		1346
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1347	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1348	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1349
837	create_pipe ();	1350	prepare_cb = &PL_sv_undef;
		1351
		1352	{
		1353	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1354	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1355
		1356	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1357	}
		1358
		1359	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1360
		1361	create_respipe ();
		1362
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1363	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1364	patch_errno ();
839	}	1365	}
840		1366
841	void	1367	void
842	max_poll_reqs (int nreqs)	1368	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1369	PROTOTYPE: $
…		…
962		1488
963	int	1489	int
964	nthreads ()	1490	nthreads ()
965	PROTOTYPE:	1491	PROTOTYPE:
966	CODE:	1492	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1493	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1494	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1495	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1496	OUTPUT:
971	RETVAL	1497	RETVAL
972		1498
973	void	1499	SV *
974	set_sync_prepare (SV *cb)	1500	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1501	PROTOTYPE: &
976	CODE:	1502	CODE:
977	SvREFCNT_dec (prepare_cb);	1503	RETVAL = prepare_cb;
978	prepare_cb = newSVsv (cb);	1504	prepare_cb = newSVsv (cb);
		1505	OUTPUT:
		1506	RETVAL
		1507
		1508	char *
		1509	strerror (int errorno = errno)
		1510	PROTOTYPE: ;$
		1511	CODE:
		1512	RETVAL = db_strerror (errorno);
		1513	OUTPUT:
		1514	RETVAL
		1515
		1516	void _on_next_submit (SV *cb)
		1517	CODE:
		1518	SvREFCNT_dec (on_next_submit);
		1519	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
979		1520
980	DB_ENV *	1521	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1522	db_env_create (U32 env_flags = 0)
982	CODE:	1523	CODE:
983	{	1524	{
984	errno = db_env_create (&RETVAL, env_flags);	1525	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1526	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1527	croak ("db_env_create: %s", db_strerror (errno));
		1528
		1529	if (0)
		1530	{
		1531	RETVAL->set_errcall (RETVAL, debug_errcall);
		1532	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1533	}
987	}	1534	}
988	OUTPUT:	1535	OUTPUT:
989	RETVAL	1536	RETVAL
990		1537
991	void	1538	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1539	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1540	PREINIT:
		1541	CALLBACK
993	CODE:	1542	CODE:
994	{	1543	{
995	dREQ (REQ_ENV_OPEN);	1544	dREQ (REQ_ENV_OPEN, 1);
996	req->env = env;	1545	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1546	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1547	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1548	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1549	REQ_SEND;
1001	}	1550	}
1002		1551
1003	void	1552	void
1004	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1553	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1554	PREINIT:
		1555	CALLBACK
1005	CODE:	1556	CODE:
1006	{	1557	{
		1558	ptr_nuke (ST (0));
1007	dREQ (REQ_ENV_CLOSE);	1559	dREQ (REQ_ENV_CLOSE, 0);
1008	req->env = env;	1560	req->env = env;
1009	req->uint1 = flags;	1561	req->uint1 = flags;
1010	REQ_SEND;	1562	REQ_SEND;
1011	}	1563	}
1012		1564
		1565	void
		1566	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1567	PREINIT:
		1568	CALLBACK
		1569	CODE:
		1570	{
		1571	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1572	req->env = env;
		1573	req->uint1 = kbyte;
		1574	req->int1 = min;
		1575	req->uint2 = flags;
		1576	REQ_SEND;
		1577	}
		1578
		1579	void
		1580	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1581	PREINIT:
		1582	CALLBACK
		1583	CODE:
		1584	{
		1585	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1586	req->env = env;
		1587	req->uint1 = flags;
		1588	req->uint2 = atype;
		1589	/* req->int2 = 0; dummy */
		1590	REQ_SEND;
		1591	}
		1592
		1593	void
		1594	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1595	PREINIT:
		1596	CALLBACK
		1597	CODE:
		1598	{
		1599	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1600	req->env = env;
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
		1605	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1606	PREINIT:
		1607	CALLBACK
		1608	CODE:
		1609	{
		1610	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1611	req->env = env;
		1612	req->int1 = percent;
		1613	REQ_SEND;
		1614	}
		1615
		1616	void
		1617	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
		1620	CODE:
		1621	{
		1622	dREQ (REQ_ENV_DBREMOVE, 2);
		1623	req->env = env;
		1624	req->buf1 = strdup_ornull (file);
		1625	req->buf2 = strdup_ornull (database);
		1626	req->uint1 = flags;
		1627	REQ_SEND;
		1628	}
		1629
		1630	void
		1631	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)
		1632	PREINIT:
		1633	CALLBACK
		1634	CODE:
		1635	{
		1636	dREQ (REQ_ENV_DBRENAME, 2);
		1637	req->env = env;
		1638	req->buf1 = strdup_ornull (file);
		1639	req->buf2 = strdup_ornull (database);
		1640	req->buf3 = strdup_ornull (newname);
		1641	req->uint1 = flags;
		1642	REQ_SEND;
		1643	}
		1644
1013	DB *	1645	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1646	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1647	CODE:
1016	{	1648	{
1017	errno = db_create (&RETVAL, env, flags);	1649	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1650	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1651	croak ("db_create: %s", db_strerror (errno));
		1652
		1653	if (RETVAL)
		1654	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1655	}
1021	OUTPUT:	1656	OUTPUT:
1022	RETVAL	1657	RETVAL
1023		1658
1024	void	1659	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1660	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1661	PREINIT:
		1662	CALLBACK
1026	CODE:	1663	CODE:
1027	{	1664	{
1028	dREQ (REQ_DB_OPEN);	1665	dREQ (REQ_DB_OPEN, 2);
1029	req->db = db;	1666	req->db = db;
1030	req->txn = txnid;	1667	req->txn = txnid;
1031	req->buf1 = strdup_ornull (file);	1668	req->buf1 = strdup_ornull (file);
1032	req->buf2 = strdup_ornull (database);	1669	req->buf2 = strdup_ornull (database);
1033	req->int1 = type;	1670	req->int1 = type;
…		…
1035	req->int2 = mode;	1672	req->int2 = mode;
1036	REQ_SEND;	1673	REQ_SEND;
1037	}	1674	}
1038		1675
1039	void	1676	void
1040	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1677	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1678	PREINIT:
		1679	CALLBACK
1041	CODE:	1680	CODE:
1042	{	1681	{
		1682	ptr_nuke (ST (0));
1043	dREQ (REQ_DB_CLOSE);	1683	dREQ (REQ_DB_CLOSE, 0);
1044	req->db = db;	1684	req->db = db;
1045	req->uint1 = flags;	1685	req->uint1 = flags;
		1686	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1687	REQ_SEND;
1047	}	1688	}
1048		1689
		1690	#if DB_VERSION_MINOR >= 4
		1691
1049	void	1692	void
1050	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)	1693	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)
		1694	PREINIT:
		1695	CALLBACK
1051	CODE:	1696	CODE:
1052	{	1697	{
1053	dREQ (REQ_DB_COMPACT);	1698	dREQ (REQ_DB_COMPACT, 2);
1054	req->db = db;	1699	req->db = db;
1055	req->txn = txn;	1700	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1701	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1702	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1703	req->uint1 = flags;
1059	REQ_SEND;	1704	REQ_SEND;
1060	}	1705	}
1061		1706
		1707	#endif
		1708
1062	void	1709	void
1063	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1710	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1711	PREINIT:
		1712	CALLBACK
1064	CODE:	1713	CODE:
1065	{	1714	{
1066	dREQ (REQ_DB_SYNC);	1715	dREQ (REQ_DB_SYNC, 1);
1067	req->db = db;	1716	req->db = db;
1068	req->uint1 = flags;	1717	req->uint1 = flags;
1069	REQ_SEND;	1718	REQ_SEND;
1070	}	1719	}
1071		1720
1072	void	1721	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1722	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1723	PREINIT:
		1724	CALLBACK
1074	CODE:	1725	CODE:
1075	{	1726	{
1076	dREQ (REQ_DB_PUT);	1727	dREQ (REQ_DB_SYNC, 1);
1077	req->db = db;	1728	req->db = db;
1078	req->txn = 0;	1729	req->buf1 = strdup (file);
1079	set_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1730	req->uint1 = flags;
1082	REQ_SEND;	1731	REQ_SEND;
1083	}	1732	}
1084		1733
		1734	void
		1735	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1736	PREINIT:
		1737	CALLBACK
		1738	CODE:
		1739	{
		1740	dREQ (REQ_DB_KEY_RANGE, 2);
		1741	req->db = db;
		1742	req->txn = txn;
		1743	sv_to_dbt (&req->dbt1, key);
		1744	req->uint1 = flags;
		1745	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1746	REQ_SEND;
		1747	}
		1748
		1749	void
		1750	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1751	PREINIT:
		1752	CALLBACK
		1753	CODE:
		1754	{
		1755	dREQ (REQ_DB_PUT, 2);
		1756	req->db = db;
		1757	req->txn = txn;
		1758	sv_to_dbt (&req->dbt1, key);
		1759	sv_to_dbt (&req->dbt2, data);
		1760	req->uint1 = flags;
		1761	REQ_SEND;
		1762	}
		1763
		1764	#if DB_VERSION_MINOR >= 6
		1765
		1766	void
		1767	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1768	PREINIT:
		1769	CALLBACK
		1770	CODE:
		1771	{
		1772	dREQ (REQ_DB_EXISTS, 2);
		1773	req->db = db;
		1774	req->txn = txn;
		1775	req->uint1 = flags;
		1776	sv_to_dbt (&req->dbt1, key);
		1777	REQ_SEND;
		1778	}
		1779
		1780	#endif
		1781
		1782	void
		1783	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1784	PREINIT:
		1785	CALLBACK
		1786	CODE:
		1787	{
		1788	//TODO: key is somtimesmutable
		1789	dREQ (REQ_DB_GET, 2);
		1790	req->db = db;
		1791	req->txn = txn;
		1792	req->uint1 = flags;
		1793	sv_to_dbt (&req->dbt1, key);
		1794	req->dbt3.flags = DB_DBT_MALLOC;
		1795	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1796	REQ_SEND;
		1797	}
		1798
		1799	void
		1800	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1801	PREINIT:
		1802	CALLBACK
		1803	CODE:
		1804	{
		1805	//TODO: key is somtimesmutable
		1806	dREQ (REQ_DB_PGET, 2);
		1807	req->db = db;
		1808	req->txn = txn;
		1809	req->uint1 = flags;
		1810
		1811	sv_to_dbt (&req->dbt1, key);
		1812
		1813	req->dbt2.flags = DB_DBT_MALLOC;
		1814	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1815
		1816	req->dbt3.flags = DB_DBT_MALLOC;
		1817	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1818	REQ_SEND;
		1819	}
		1820
		1821	void
		1822	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1823	PREINIT:
		1824	CALLBACK
		1825	CODE:
		1826	{
		1827	dREQ (REQ_DB_DEL, 2);
		1828	req->db = db;
		1829	req->txn = txn;
		1830	req->uint1 = flags;
		1831	sv_to_dbt (&req->dbt1, key);
		1832	REQ_SEND;
		1833	}
		1834
		1835	void
		1836	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1837	PREINIT:
		1838	CALLBACK
		1839	CODE:
		1840	{
		1841	ptr_nuke (ST (0));
		1842	dREQ (REQ_TXN_COMMIT, 0);
		1843	req->txn = txn;
		1844	req->uint1 = flags;
		1845	REQ_SEND;
		1846	}
		1847
		1848	void
		1849	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1850	PREINIT:
		1851	CALLBACK
		1852	CODE:
		1853	{
		1854	ptr_nuke (ST (0));
		1855	dREQ (REQ_TXN_ABORT, 0);
		1856	req->txn = txn;
		1857	REQ_SEND;
		1858	}
		1859
		1860	void
		1861	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1862	PREINIT:
		1863	CALLBACK
		1864	CODE:
		1865	{
		1866	ptr_nuke (ST (0));
		1867	dREQ (REQ_TXN_FINISH, 0);
		1868	req->txn = txn;
		1869	req->uint1 = flags;
		1870	REQ_SEND;
		1871	}
		1872
		1873	void
		1874	db_c_close (DBC *dbc, SV *callback = 0)
		1875	PREINIT:
		1876	CALLBACK
		1877	CODE:
		1878	{
		1879	ptr_nuke (ST (0));
		1880	dREQ (REQ_C_CLOSE, 0);
		1881	req->dbc = dbc;
		1882	REQ_SEND;
		1883	}
		1884
		1885	void
		1886	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1887	PREINIT:
		1888	CALLBACK
		1889	CODE:
		1890	{
		1891	dREQ (REQ_C_COUNT, 1);
		1892	req->dbc = dbc;
		1893	req->sv1 = SvREFCNT_inc (count);
		1894	REQ_SEND;
		1895	}
		1896
		1897	void
		1898	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1899	PREINIT:
		1900	CALLBACK
		1901	CODE:
		1902	{
		1903	dREQ (REQ_C_PUT, 1);
		1904	req->dbc = dbc;
		1905	sv_to_dbt (&req->dbt1, key);
		1906	sv_to_dbt (&req->dbt2, data);
		1907	req->uint1 = flags;
		1908	REQ_SEND;
		1909	}
		1910
		1911	void
		1912	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1913	PREINIT:
		1914	CALLBACK
		1915	CODE:
		1916	{
		1917	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1918	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1919
		1920	dREQ (REQ_C_GET, 1);
		1921	req->dbc = dbc;
		1922	req->uint1 = flags;
		1923	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1924	sv_to_dbt (&req->dbt1, key);
		1925	else
		1926	{
		1927	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1928	sv_to_dbt (&req->dbt1, key);
		1929	else
		1930	req->dbt1.flags = DB_DBT_MALLOC;
		1931
		1932	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1933	}
		1934
		1935	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1936	|| flags & DB_OPFLAGS_MASK == 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_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1947	PREINIT:
		1948	CALLBACK
		1949	CODE:
		1950	{
		1951	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1952	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1953
		1954	dREQ (REQ_C_PGET, 1);
		1955	req->dbc = dbc;
		1956	req->uint1 = flags;
		1957	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1958	sv_to_dbt (&req->dbt1, key);
		1959	else
		1960	{
		1961	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1962	sv_to_dbt (&req->dbt1, key);
		1963	else
		1964	req->dbt1.flags = DB_DBT_MALLOC;
		1965
		1966	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1967	}
		1968
		1969	req->dbt2.flags = DB_DBT_MALLOC;
		1970	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1971
		1972	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1973	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1974	sv_to_dbt (&req->dbt3, data);
		1975	else
		1976	req->dbt3.flags = DB_DBT_MALLOC;
		1977
		1978	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1979	REQ_SEND;
		1980	}
		1981
		1982	void
		1983	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1984	PREINIT:
		1985	CALLBACK
		1986	CODE:
		1987	{
		1988	dREQ (REQ_C_DEL, 1);
		1989	req->dbc = dbc;
		1990	req->uint1 = flags;
		1991	REQ_SEND;
		1992	}
		1993
		1994
		1995	#if DB_VERSION_MINOR >= 3
		1996
		1997	void
		1998	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1999	PREINIT:
		2000	CALLBACK
		2001	CODE:
		2002	{
		2003	dREQ (REQ_SEQ_OPEN, 2);
		2004	req->seq = seq;
		2005	req->txn = txnid;
		2006	req->uint1 = flags | DB_THREAD;
		2007	sv_to_dbt (&req->dbt1, key);
		2008	REQ_SEND;
		2009	}
		2010
		2011	void
		2012	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2013	PREINIT:
		2014	CALLBACK
		2015	CODE:
		2016	{
		2017	ptr_nuke (ST (0));
		2018	dREQ (REQ_SEQ_CLOSE, 0);
		2019	req->seq = seq;
		2020	req->uint1 = flags;
		2021	REQ_SEND;
		2022	}
		2023
		2024	void
		2025	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2026	PREINIT:
		2027	CALLBACK
		2028	CODE:
		2029	{
		2030	dREQ (REQ_SEQ_GET, 2);
		2031	req->seq = seq;
		2032	req->txn = txnid;
		2033	req->int1 = delta;
		2034	req->uint1 = flags;
		2035	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2036	REQ_SEND;
		2037	}
		2038
		2039	void
		2040	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2041	PREINIT:
		2042	CALLBACK
		2043	CODE:
		2044	{
		2045	dREQ (REQ_SEQ_REMOVE, 2);
		2046	req->seq = seq;
		2047	req->txn = txnid;
		2048	req->uint1 = flags;
		2049	REQ_SEND;
		2050	}
		2051
		2052	#endif
		2053
1085		2054
1086	MODULE = BDB PACKAGE = BDB::Env	2055	MODULE = BDB PACKAGE = BDB::Env
1087		2056
		2057	void
		2058	DESTROY (DB_ENV_ornuked *env)
		2059	CODE:
		2060	if (env)
		2061	env->close (env, 0);
		2062
		2063	int set_data_dir (DB_ENV *env, const char *dir)
		2064	CODE:
		2065	RETVAL = env->set_data_dir (env, dir);
		2066	OUTPUT:
		2067	RETVAL
		2068
		2069	int set_tmp_dir (DB_ENV *env, const char *dir)
		2070	CODE:
		2071	RETVAL = env->set_tmp_dir (env, dir);
		2072	OUTPUT:
		2073	RETVAL
		2074
		2075	int set_lg_dir (DB_ENV *env, const char *dir)
		2076	CODE:
		2077	RETVAL = env->set_lg_dir (env, dir);
		2078	OUTPUT:
		2079	RETVAL
		2080
		2081	int set_shm_key (DB_ENV *env, long shm_key)
		2082	CODE:
		2083	RETVAL = env->set_shm_key (env, shm_key);
		2084	OUTPUT:
		2085	RETVAL
		2086
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2087	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	2088	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2089	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	2090	OUTPUT:
1092	RETVAL	2091	RETVAL
1093		2092
1094	int set_flags (DB_ENV *env, U32 flags, int onoff)	2093	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1095	CODE:	2094	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	2095	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	2096	OUTPUT:
1098	RETVAL	2097	RETVAL
1099		2098
		2099	#if DB_VERSION_MINOR >= 7
		2100
		2101	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2102	CODE:
		2103	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2104	OUTPUT:
		2105	RETVAL
		2106
		2107	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2108	CODE:
		2109	RETVAL = env->log_set_config (env, flags, onoff);
		2110	OUTPUT:
		2111	RETVAL
		2112
		2113	#endif
		2114
		2115
		2116	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2117	CODE:
		2118	env->set_errfile (env, errfile);
		2119
		2120	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2121	CODE:
		2122	env->set_msgfile (env, msgfile);
		2123
		2124	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2125	CODE:
		2126	RETVAL = env->set_verbose (env, which, onoff);
		2127	OUTPUT:
		2128	RETVAL
		2129
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2130	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	2131	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	2132	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	2133	OUTPUT:
1104	RETVAL	2134	RETVAL
1105		2135
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2136	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	2137	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2138	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	2139	OUTPUT:
1110	RETVAL	2140	RETVAL
1111		2141
		2142	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2143	CODE:
		2144	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2145	OUTPUT:
		2146	RETVAL
		2147
		2148	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2149	CODE:
		2150	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2151	OUTPUT:
		2152	RETVAL
		2153
		2154	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2155	CODE:
		2156	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2157	OUTPUT:
		2158	RETVAL
		2159
		2160	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2161	CODE:
		2162	RETVAL = env->set_lk_detect (env, detect);
		2163	OUTPUT:
		2164	RETVAL
		2165
		2166	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2167	CODE:
		2168	RETVAL = env->set_lk_max_lockers (env, max);
		2169	OUTPUT:
		2170	RETVAL
		2171
		2172	int set_lk_max_locks (DB_ENV *env, U32 max)
		2173	CODE:
		2174	RETVAL = env->set_lk_max_locks (env, max);
		2175	OUTPUT:
		2176	RETVAL
		2177
		2178	int set_lk_max_objects (DB_ENV *env, U32 max)
		2179	CODE:
		2180	RETVAL = env->set_lk_max_objects (env, max);
		2181	OUTPUT:
		2182	RETVAL
		2183
		2184	int set_lg_bsize (DB_ENV *env, U32 max)
		2185	CODE:
		2186	RETVAL = env->set_lg_bsize (env, max);
		2187	OUTPUT:
		2188	RETVAL
		2189
		2190	int set_lg_max (DB_ENV *env, U32 max)
		2191	CODE:
		2192	RETVAL = env->set_lg_max (env, max);
		2193	OUTPUT:
		2194	RETVAL
		2195
		2196	#if DB_VERSION_MINOR >= 4
		2197
		2198	int mutex_set_max (DB_ENV *env, U32 max)
		2199	CODE:
		2200	RETVAL = env->mutex_set_max (env, max);
		2201	OUTPUT:
		2202	RETVAL
		2203
		2204	int mutex_set_increment (DB_ENV *env, U32 increment)
		2205	CODE:
		2206	RETVAL = env->mutex_set_increment (env, increment);
		2207	OUTPUT:
		2208	RETVAL
		2209
		2210	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2211	CODE:
		2212	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2213	OUTPUT:
		2214	RETVAL
		2215
		2216	int mutex_set_align (DB_ENV *env, U32 align)
		2217	CODE:
		2218	RETVAL = env->mutex_set_align (env, align);
		2219	OUTPUT:
		2220	RETVAL
		2221
		2222	#endif
		2223
		2224	DB_TXN *
		2225	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2226	CODE:
		2227	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2228	if (errno)
		2229	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2230	OUTPUT:
		2231	RETVAL
		2232
		2233	#if DB_VERSION_MINOR >= 5
		2234
		2235	DB_TXN *
		2236	cdsgroup_begin (DB_ENV *env)
		2237	CODE:
		2238	errno = env->cdsgroup_begin (env, &RETVAL);
		2239	if (errno)
		2240	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2241	OUTPUT:
		2242	RETVAL
		2243
		2244	#endif
1112		2245
1113	MODULE = BDB PACKAGE = BDB::Db	2246	MODULE = BDB PACKAGE = BDB::Db
1114		2247
		2248	void
		2249	DESTROY (DB_ornuked *db)
		2250	CODE:
		2251	if (db)
		2252	{
		2253	SV *env = (SV *)db->app_private;
		2254	db->close (db, 0);
		2255	SvREFCNT_dec (env);
		2256	}
		2257
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2258	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	2259	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2260	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	2261	OUTPUT:
1119	RETVAL	2262	RETVAL
1120		2263
1121	int set_flags (DB *db, U32 flags);	2264	int set_flags (DB *db, U32 flags)
1122	CODE:	2265	CODE:
1123	RETVAL = db->set_flags (db, flags);	2266	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	2267	OUTPUT:
1125	RETVAL	2268	RETVAL
1126		2269
…		…
1134	CODE:	2277	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	2278	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	2279	OUTPUT:
1137	RETVAL	2280	RETVAL
1138		2281
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	2282	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	2283	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	2284	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	2285	OUTPUT:
1144	RETVAL	2286	RETVAL
1145		2287
1146	int set_re_delim(DB *db, int delim);	2288	int set_re_delim (DB *db, int delim)
1147	CODE:	2289	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	2290	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	2291	OUTPUT:
1150	RETVAL	2292	RETVAL
1151		2293
…		…
1183	CODE:	2325	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	2326	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	2327	OUTPUT:
1186	RETVAL	2328	RETVAL
1187		2329
		2330	DBC *
		2331	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2332	CODE:
		2333	errno = db->cursor (db, txn, &RETVAL, flags);
		2334	if (errno)
		2335	croak ("DB->cursor: %s", db_strerror (errno));
		2336	OUTPUT:
		2337	RETVAL
1188		2338
		2339	#if DB_VERSION_MINOR >= 3
		2340
		2341	DB_SEQUENCE *
		2342	sequence (DB *db, U32 flags = 0)
		2343	CODE:
		2344	{
		2345	errno = db_sequence_create (&RETVAL, db, flags);
		2346	if (errno)
		2347	croak ("db_sequence_create: %s", db_strerror (errno));
		2348	}
		2349	OUTPUT:
		2350	RETVAL
		2351
		2352	#endif
		2353
		2354
		2355	MODULE = BDB PACKAGE = BDB::Txn
		2356
		2357	void
		2358	DESTROY (DB_TXN_ornuked *txn)
		2359	CODE:
		2360	if (txn)
		2361	txn->abort (txn);
		2362
		2363	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2364	CODE:
		2365	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2366	OUTPUT:
		2367	RETVAL
		2368
		2369	int failed (DB_TXN *txn)
		2370	CODE:
		2371	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2372	OUTPUT:
		2373	RETVAL
		2374
		2375
		2376	MODULE = BDB PACKAGE = BDB::Cursor
		2377
		2378	void
		2379	DESTROY (DBC_ornuked *dbc)
		2380	CODE:
		2381	if (dbc)
		2382	dbc->c_close (dbc);
		2383
		2384	#if DB_VERSION_MINOR >= 6
		2385
		2386	int set_priority (DBC *dbc, int priority)
		2387	CODE:
		2388	dbc->set_priority (dbc, priority);
		2389
		2390	#endif
		2391
		2392	#if DB_VERSION_MINOR >= 3
		2393
		2394	MODULE = BDB PACKAGE = BDB::Sequence
		2395
		2396	void
		2397	DESTROY (DB_SEQUENCE_ornuked *seq)
		2398	CODE:
		2399	if (seq)
		2400	seq->close (seq, 0);
		2401
		2402	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2403	CODE:
		2404	RETVAL = seq->initial_value (seq, value);
		2405	OUTPUT:
		2406	RETVAL
		2407
		2408	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2409	CODE:
		2410	RETVAL = seq->set_cachesize (seq, size);
		2411	OUTPUT:
		2412	RETVAL
		2413
		2414	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2415	CODE:
		2416	RETVAL = seq->set_flags (seq, flags);
		2417	OUTPUT:
		2418	RETVAL
		2419
		2420	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2421	CODE:
		2422	RETVAL = seq->set_range (seq, min, max);
		2423	OUTPUT:
		2424	RETVAL
		2425
		2426	#endif
		2427
		2428

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