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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 1.58 by root, Tue Sep 30 17:03:07 2008 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	42
35	* on have atomic word read/writes.	43	typedef DB_ENV DB_ENV_ornull;
36	*/	44	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	45	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	46	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	47
40	# else	48	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB_TXN DB_TXN_ornuked;
42	# endif	50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
		54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
43	#endif	56	#endif
44		57
45	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	59	typedef char *bdb_filename;
47		60
48	static SV *prepare_cb;	61	static SV *prepare_cb;
49		62
		63	#if DB_VERSION_MINOR >= 6
		64	# define c_close close
		65	# define c_count count
		66	# define c_del del
		67	# define c_dup dup
		68	# define c_get get
		69	# define c_pget pget
		70	# define c_put put
		71	#endif
		72
50	static inline char *	73	static char *
		74	get_bdb_filename (SV *sv)
		75	{
		76	if (!SvOK (sv))
		77	return 0;
		78
		79	#if _WIN32
		80	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		81	{
		82	STRLEN len;
		83	char *src = SvPVbyte (sv, len);
		84	SV *t1 = sv_newmortal ();
		85	SV *t2 = sv_newmortal ();
		86
		87	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		88	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		89
		90	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		91	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		92	SvPOK_only (t2);
		93	SvPVX (t2)[len] = 0;
		94	SvCUR_set (t2, len);
		95
		96	return SvPVX (t2);
		97	}
		98	#else
		99	return SvPVbyte_nolen (sv);
		100	#endif
		101	}
		102
		103	static void
		104	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		105	{
		106	printf ("err[%s]\n", msg);
		107	}
		108
		109	static void
		110	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		111	{
		112	printf ("msg[%s]\n", msg);
		113	}
		114
		115	static char *
51	strdup_ornull (const char *s)	116	strdup_ornull (const char *s)
52	{	117	{
53	return s ? strdup (s) : 0;	118	return s ? strdup (s) : 0;
54	}	119	}
55		120
		121	static void
		122	sv_to_dbt (DBT *dbt, SV *sv)
		123	{
		124	STRLEN len;
		125	char *data = SvPVbyte (sv, len);
		126
		127	dbt->data = malloc (len);
		128	memcpy (dbt->data, data, len);
		129	dbt->size = len;
		130	dbt->flags = DB_DBT_REALLOC;
		131	}
		132
		133	static void
		134	dbt_to_sv (SV *sv, DBT *dbt)
		135	{
		136	if (sv)
		137	{
		138	SvREADONLY_off (sv);
		139
		140	if (dbt->data)
		141	sv_setpvn_mg (sv, dbt->data, dbt->size);
		142	else
		143	sv_setsv_mg (sv, &PL_sv_undef);
		144
		145	SvREFCNT_dec (sv);
		146	}
		147
		148	free (dbt->data);
		149	}
		150
56	enum {	151	enum {
57	REQ_QUIT,	152	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	153	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		154	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,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	160	};
61		161
62	typedef struct aio_cb	162	typedef struct bdb_cb
63	{	163	{
64	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
65	SV *callback;	165	SV *callback;
66	int type, pri, result;	166	int type, pri, result;
67		167
68	DB_ENV *env;	168	DB_ENV *env;
69	DB *db;	169	DB *db;
70	DB_TXN *txn;	170	DB_TXN *txn;
71	DBC *cursor;	171	DBC *dbc;
		172
		173	UV uv1;
72	int int1, int2;	174	int int1, int2;
73	U32 uint1, uint2;	175	U32 uint1, uint2;
74	char *buf1, *buf2;	176	char *buf1, *buf2, *buf3;
		177	SV *sv1, *sv2, *sv3;
75		178
76	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
78		185
		186	SV *rsv1, *rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
79	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
80		190
81	enum {	191	enum {
82	PRI_MIN = -4,	192	PRI_MIN = -4,
83	PRI_MAX = 4,	193	PRI_MAX = 4,
84		194
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	198	};
89		199
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		201
		202	static SV *on_next_submit;
		203
92	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
94		206
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	208	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		213
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		215
104	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
105		217
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 */	218	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
117		220
118	typedef struct worker {	221	typedef struct worker {
119	/* locked by wrklock */	222	/* locked by wrklock */
120	struct worker *prev, *next;	223	struct worker *prev, *next;
121		224
122	pthread_t tid;	225	thread_t tid;
123		226
124	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
126	void *dbuf;	229	void *dbuf;
127	DIR *dirp;	230	DIR *dirp;
128	} worker;	231	} worker;
129		232
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	245	}
143		246
144	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		251
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
152		255
153	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
154		257
155	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
156	{	259	{
157	unsigned int retval;	260	unsigned int retval;
158		261
159	LOCK (reqlock);	262	X_LOCK (reqlock);
160	retval = nready;	263	retval = nready;
161	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
162		265
163	return retval;	266	return retval;
164	}	267	}
165		268
166	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
167	{	270	{
168	unsigned int retval;	271	unsigned int retval;
169		272
170	LOCK (reslock);	273	X_LOCK (reslock);
171	retval = npending;	274	retval = npending;
172	UNLOCK (reslock);	275	X_UNLOCK (reslock);
173		276
174	return retval;	277	return retval;
175	}	278	}
176		279
177	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
178	{	281	{
179	unsigned int retval;	282	unsigned int retval;
180		283
181	LOCK (wrklock);	284	X_LOCK (wrklock);
182	retval = started;	285	retval = started;
183	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
184		287
185	return retval;	288	return retval;
186	}	289	}
187		290
188	#else	291	#else
…		…
197	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
200	*/	303	*/
201	typedef struct {	304	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	306	int size;
204	} reqq;	307	} reqq;
205		308
206	static reqq req_queue;	309	static reqq req_queue;
207	static reqq res_queue;	310	static reqq res_queue;
208		311
209	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
210	{	313	{
211	int pri = req->pri;	314	int pri = req->pri;
212	req->next = 0;	315	req->next = 0;
213		316
214	if (q->qe[pri])	317	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
221		324
222	return q->size++;	325	return q->size++;
223	}	326	}
224		327
225	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
226	{	329	{
227	int pri;	330	int pri;
228		331
229	if (!q->size)	332	if (!q->size)
230	return 0;	333	return 0;
231		334
232	--q->size;	335	--q->size;
233		336
234	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
235	{	338	{
236	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
237		340
238	if (req)	341	if (req)
239	{	342	{
240	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
245	}	348	}
246		349
247	abort ();	350	abort ();
248	}	351	}
249		352
250	static int poll_cb ();	353	static int poll_cb (void);
251	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);
253		355
254	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
255	{	357	{
256	dSP;	358	switch (req->type)
257
258	if (SvOK (req->callback))
259	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	SvREADONLY_off (req->sv1);
		384	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		385	SvREFCNT_dec (req->sv1);
		386	}
		387	break;
		388
		389	#if DB_VERSION_MINOR >= 3
		390	case REQ_SEQ_GET:
		391	SvREADONLY_off (req->sv1);
		392
		393	if (sizeof (IV) > 4)
		394	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		395	else
		396	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		397
		398	SvREFCNT_dec (req->sv1);
		399	break;
		400	#endif
		401	}
		402
		403	errno = req->result;
		404
		405	if (req->callback)
		406	{
		407	dSP;
		408
260	ENTER;	409	ENTER;
261	SAVETMPS;	410	SAVETMPS;
262	PUSHMARK (SP);	411	PUSHMARK (SP);
263	EXTEND (SP, 1);
264
265	switch (req->type)
266	{
267	}
268
269	errno = req->result;
270		412
271	PUTBACK;	413	PUTBACK;
272	call_sv (req->callback, G_VOID | G_EVAL);	414	call_sv (req->callback, G_VOID | G_EVAL);
273	SPAGAIN;	415	SPAGAIN;
274		416
275	FREETMPS;	417	FREETMPS;
276	LEAVE;	418	LEAVE;
		419
		420	return !SvTRUE (ERRSV);
277	}	421	}
278		422
279	return !SvTRUE (ERRSV);	423	return 1;
280	}	424	}
281		425
282	static void req_free (aio_req req)	426	static void req_free (bdb_req req)
283	{	427	{
		428	SvREFCNT_dec (req->callback);
		429
		430	SvREFCNT_dec (req->rsv1);
		431	SvREFCNT_dec (req->rsv2);
		432
284	free (req->buf1);	433	free (req->buf1);
285	free (req->buf2);	434	free (req->buf2);
		435	free (req->buf3);
		436
286	Safefree (req);	437	Safefree (req);
287	}	438	}
288		439
289	static void *aio_proc (void *arg);	440	#ifdef USE_SOCKETS_AS_HANDLES
		441	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		442	#else
		443	# define TO_SOCKET(x) (x)
		444	#endif
		445
		446	static void
		447	create_respipe (void)
		448	{
		449	#ifdef _WIN32
		450	int arg; /* argg */
		451	#endif
		452	int old_readfd = respipe [0];
		453
		454	if (respipe [1] >= 0)
		455	respipe_close (TO_SOCKET (respipe [1]));
		456
		457	#ifdef _WIN32
		458	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		459	#else
		460	if (pipe (respipe))
		461	#endif
		462	croak ("unable to initialize result pipe");
		463
		464	if (old_readfd >= 0)
		465	{
		466	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		467	croak ("unable to initialize result pipe(2)");
		468
		469	respipe_close (respipe [0]);
		470	respipe [0] = old_readfd;
		471	}
		472
		473	#ifdef _WIN32
		474	arg = 1;
		475	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		476	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		477	#else
		478	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		479	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		480	#endif
		481	croak ("unable to initialize result pipe(3)");
		482
		483	respipe_osf [0] = TO_SOCKET (respipe [0]);
		484	respipe_osf [1] = TO_SOCKET (respipe [1]);
		485	}
		486
		487	static void bdb_request (bdb_req req);
		488	X_THREAD_PROC (bdb_proc);
290		489
291	static void start_thread (void)	490	static void start_thread (void)
292	{	491	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	492	worker *wrk = calloc (1, sizeof (worker));
297		493
298	if (!wrk)	494	if (!wrk)
299	croak ("unable to allocate worker thread data");	495	croak ("unable to allocate worker thread data");
300		496
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);	497	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	498	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	499	{
314	wrk->prev = &wrk_first;	500	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	501	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	502	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	503	wrk_first.next = wrk;
318	++started;	504	++started;
319	}	505	}
320	else	506	else
321	free (wrk);	507	free (wrk);
322		508
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	509	X_UNLOCK (wrklock);
325	}	510	}
326		511
327	static void maybe_start_thread ()	512	static void maybe_start_thread (void)
328	{	513	{
329	if (get_nthreads () >= wanted)	514	if (get_nthreads () >= wanted)
330	return;	515	return;
331		516
332	/* todo: maybe use idle here, but might be less exact */	517	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	519	return;
335		520
336	start_thread ();	521	start_thread ();
337	}	522	}
338		523
339	static void req_send (aio_req req)	524	static void req_send (bdb_req req)
340	{	525	{
341	SV *wait_callback = 0;	526	SV *wait_callback = 0;
342		527
343	// synthesize callback if none given	528	if (on_next_submit)
344	if (!SvOK (req->callback))
345	{	529	{
346	dSP;	530	dSP;
		531	SV *cb = sv_2mortal (on_next_submit);
		532
		533	on_next_submit = 0;
		534
347	PUSHMARK (SP);	535	PUSHMARK (SP);
348	PUTBACK;	536	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	537	call_sv (cb, G_DISCARD | G_EVAL);
350	SPAGAIN;	538	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	}	539	}
359		540
		541	// synthesize callback if none given
		542	if (!req->callback)
		543	{
		544	if (SvOK (prepare_cb))
		545	{
		546	int count;
		547
		548	dSP;
		549	PUSHMARK (SP);
		550	PUTBACK;
		551	count = call_sv (prepare_cb, G_ARRAY);
		552	SPAGAIN;
		553
		554	if (count != 2)
		555	croak ("sync prepare callback must return exactly two values\n");
		556
		557	wait_callback = POPs;
		558	req->callback = SvREFCNT_inc (POPs);
		559	}
		560	else
		561	{
		562	// execute request synchronously
		563	bdb_request (req);
		564	req_invoke (req);
		565	req_free (req);
		566	return;
		567	}
		568	}
		569
360	++nreqs;	570	++nreqs;
361		571
362	LOCK (reqlock);	572	X_LOCK (reqlock);
363	++nready;	573	++nready;
364	reqq_push (&req_queue, req);	574	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	575	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	576	X_UNLOCK (reqlock);
367		577
368	maybe_start_thread ();	578	maybe_start_thread ();
369		579
370	if (wait_callback)	580	if (wait_callback)
371	{	581	{
372	dSP;	582	dSP;
373	PUSHMARK (SP);	583	PUSHMARK (SP);
374	PUTBACK;	584	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	585	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	586	}
378	}	587	}
379		588
380	static void end_thread (void)	589	static void end_thread (void)
381	{	590	{
382	aio_req req;	591	bdb_req req = calloc (1, sizeof (bdb_cb));
383
384	Newz (0, req, 1, aio_cb);
385		592
386	req->type = REQ_QUIT;	593	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	594	req->pri = PRI_MAX + PRI_BIAS;
388		595
389	LOCK (reqlock);	596	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	597	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	598	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	599	X_UNLOCK (reqlock);
393		600
394	LOCK (wrklock);	601	X_LOCK (wrklock);
395	--started;	602	--started;
396	UNLOCK (wrklock);	603	X_UNLOCK (wrklock);
397	}	604	}
398		605
399	static void set_max_idle (int nthreads)	606	static void set_max_idle (int nthreads)
400	{	607	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	608	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	609	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	610	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	611	}
405		612
406	static void min_parallel (int nthreads)	613	static void min_parallel (int nthreads)
407	{	614	{
408	if (wanted < nthreads)	615	if (wanted < nthreads)
…		…
416		623
417	while (started > wanted)	624	while (started > wanted)
418	end_thread ();	625	end_thread ();
419	}	626	}
420		627
421	static void poll_wait ()	628	static void poll_wait (void)
422	{	629	{
423	fd_set rfd;	630	fd_set rfd;
424		631
425	while (nreqs)	632	while (nreqs)
426	{	633	{
427	int size;	634	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	635	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	636	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	637	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		638
432	if (size)	639	if (size)
433	return;	640	return;
434		641
435	maybe_start_thread ();	642	maybe_start_thread ();
436		643
437	FD_ZERO(&rfd);	644	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	645	FD_SET (respipe [0], &rfd);
439		646
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	647	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	648	}
442	}	649	}
443		650
444	static int poll_cb ()	651	static int poll_cb (void)
445	{	652	{
446	dSP;	653	dSP;
447	int count = 0;	654	int count = 0;
448	int maxreqs = max_poll_reqs;	655	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	656	int do_croak = 0;
450	struct timeval tv_start, tv_now;	657	struct timeval tv_start, tv_now;
451	aio_req req;	658	bdb_req req;
452		659
453	if (max_poll_time)	660	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	661	gettimeofday (&tv_start, 0);
455		662
456	for (;;)	663	for (;;)
457	{	664	{
458	for (;;)	665	for (;;)
459	{	666	{
460	maybe_start_thread ();	667	maybe_start_thread ();
461		668
462	LOCK (reslock);	669	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	670	req = reqq_shift (&res_queue);
464		671
465	if (req)	672	if (req)
466	{	673	{
467	--npending;	674	--npending;
468		675
469	if (!res_queue.size)	676	if (!res_queue.size)
470	{	677	{
471	/* read any signals sent by the worker threads */	678	/* read any signals sent by the worker threads */
472	char buf [4];	679	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	680	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	681	;
475	}	682	}
476	}	683	}
477		684
478	UNLOCK (reslock);	685	X_UNLOCK (reslock);
479		686
480	if (!req)	687	if (!req)
481	break;	688	break;
482		689
483	--nreqs;	690	--nreqs;
…		…
513	}	720	}
514		721
515	return count;	722	return count;
516	}	723	}
517		724
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	/*****************************************************************************/	725	/*****************************************************************************/
531		726
532	static void *aio_proc (void *thr_arg)	727	static void
		728	bdb_request (bdb_req req)
533	{	729	{
		730	switch (req->type)
		731	{
		732	case REQ_ENV_OPEN:
		733	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		734	break;
		735
		736	case REQ_ENV_CLOSE:
		737	req->result = req->env->close (req->env, req->uint1);
		738	break;
		739
		740	case REQ_ENV_TXN_CHECKPOINT:
		741	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		742	break;
		743
		744	case REQ_ENV_LOCK_DETECT:
		745	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		746	break;
		747
		748	case REQ_ENV_MEMP_SYNC:
		749	req->result = req->env->memp_sync (req->env, 0);
		750	break;
		751
		752	case REQ_ENV_MEMP_TRICKLE:
		753	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		754	break;
		755
		756	case REQ_ENV_DBREMOVE:
		757	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		758	break;
		759
		760	case REQ_ENV_DBRENAME:
		761	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		762	break;
		763
		764	case REQ_DB_OPEN:
		765	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		766	break;
		767
		768	case REQ_DB_CLOSE:
		769	req->result = req->db->close (req->db, req->uint1);
		770	break;
		771
		772	#if DB_VERSION_MINOR >= 4
		773	case REQ_DB_COMPACT:
		774	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		775	break;
		776	#endif
		777
		778	case REQ_DB_SYNC:
		779	req->result = req->db->sync (req->db, req->uint1);
		780	break;
		781
		782	case REQ_DB_UPGRADE:
		783	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		784	break;
		785
		786	case REQ_DB_PUT:
		787	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		788	break;
		789
		790	#if DB_VERSION_MINOR >= 6
		791	case REQ_DB_EXISTS:
		792	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		793	break;
		794	#endif
		795	case REQ_DB_GET:
		796	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		797	break;
		798
		799	case REQ_DB_PGET:
		800	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		801	break;
		802
		803	case REQ_DB_DEL:
		804	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		805	break;
		806
		807	case REQ_DB_KEY_RANGE:
		808	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		809	break;
		810
		811	case REQ_TXN_COMMIT:
		812	req->result = req->txn->commit (req->txn, req->uint1);
		813	break;
		814
		815	case REQ_TXN_ABORT:
		816	req->result = req->txn->abort (req->txn);
		817	break;
		818
		819	case REQ_TXN_FINISH:
		820	if (req->txn->flags & TXN_DEADLOCK)
		821	{
		822	req->result = req->txn->abort (req->txn);
		823	if (!req->result)
		824	req->result = DB_LOCK_DEADLOCK;
		825	}
		826	else
		827	req->result = req->txn->commit (req->txn, req->uint1);
		828	break;
		829
		830	case REQ_C_CLOSE:
		831	req->result = req->dbc->c_close (req->dbc);
		832	break;
		833
		834	case REQ_C_COUNT:
		835	{
		836	db_recno_t recno;
		837	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		838	req->uv1 = recno;
		839	}
		840	break;
		841
		842	case REQ_C_PUT:
		843	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		844	break;
		845
		846	case REQ_C_GET:
		847	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		848	break;
		849
		850	case REQ_C_PGET:
		851	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		852	break;
		853
		854	case REQ_C_DEL:
		855	req->result = req->dbc->c_del (req->dbc, req->uint1);
		856	break;
		857
		858	#if DB_VERSION_MINOR >= 3
		859	case REQ_SEQ_OPEN:
		860	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		861	break;
		862
		863	case REQ_SEQ_CLOSE:
		864	req->result = req->seq->close (req->seq, req->uint1);
		865	break;
		866
		867	case REQ_SEQ_GET:
		868	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		869	break;
		870
		871	case REQ_SEQ_REMOVE:
		872	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		873	break;
		874	#endif
		875
		876	default:
		877	req->result = ENOSYS;
		878	break;
		879	}
		880
		881	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		882	req->txn->flags |= TXN_DEADLOCK;
		883	}
		884
		885	X_THREAD_PROC (bdb_proc)
		886	{
534	aio_req req;	887	bdb_req req;
535	struct timespec ts;	888	struct timespec ts;
536	worker *self = (worker *)thr_arg;	889	worker *self = (worker *)thr_arg;
537		890
538	/* try to distribute timeouts somewhat evenly */	891	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	892	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		893
542	for (;;)	894	for (;;)
543	{	895	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	896	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		897
546	LOCK (reqlock);	898	X_LOCK (reqlock);
547		899
548	for (;;)	900	for (;;)
549	{	901	{
550	self->req = req = reqq_shift (&req_queue);	902	self->req = req = reqq_shift (&req_queue);
551		903
552	if (req)	904	if (req)
553	break;	905	break;
554		906
555	++idle;	907	++idle;
556		908
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	909	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	910	== ETIMEDOUT)
559	{	911	{
560	if (idle > max_idle)	912	if (idle > max_idle)
561	{	913	{
562	--idle;	914	--idle;
563	UNLOCK (reqlock);	915	X_UNLOCK (reqlock);
564	LOCK (wrklock);	916	X_LOCK (wrklock);
565	--started;	917	--started;
566	UNLOCK (wrklock);	918	X_UNLOCK (wrklock);
567	goto quit;	919	goto quit;
568	}	920	}
569		921
570	/* we are allowed to idle, so do so without any timeout */	922	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	923	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	924	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	925	}
574		926
575	--idle;	927	--idle;
576	}	928	}
577		929
578	--nready;	930	--nready;
579		931
580	UNLOCK (reqlock);	932	X_UNLOCK (reqlock);
581		933
582	switch (req->type)	934	if (req->type == REQ_QUIT)
583	{	935	{
584	case REQ_QUIT:	936	X_LOCK (reslock);
		937	free (req);
		938	self->req = 0;
		939	X_UNLOCK (reslock);
		940
585	goto quit;	941	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	}	942	}
619		943
		944	bdb_request (req);
		945
620	LOCK (reslock);	946	X_LOCK (reslock);
621		947
622	++npending;	948	++npending;
623		949
624	if (!reqq_push (&res_queue, req))	950	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	951	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	952	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		953
628	self->req = 0;	954	self->req = 0;
629	worker_clear (self);	955	worker_clear (self);
630		956
631	UNLOCK (reslock);	957	X_UNLOCK (reslock);
632	}	958	}
633		959
634	quit:	960	quit:
635	LOCK (wrklock);	961	X_LOCK (wrklock);
636	worker_free (self);	962	worker_free (self);
637	UNLOCK (wrklock);	963	X_UNLOCK (wrklock);
638		964
639	return 0;	965	return 0;
640	}	966	}
641		967
642	/*****************************************************************************/	968	/*****************************************************************************/
643		969
644	static void atfork_prepare (void)	970	static void atfork_prepare (void)
645	{	971	{
646	LOCK (wrklock);	972	X_LOCK (wrklock);
647	LOCK (reqlock);	973	X_LOCK (reqlock);
648	LOCK (reslock);	974	X_LOCK (reslock);
649	}	975	}
650		976
651	static void atfork_parent (void)	977	static void atfork_parent (void)
652	{	978	{
653	UNLOCK (reslock);	979	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	980	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	981	X_UNLOCK (wrklock);
656	}	982	}
657		983
658	static void atfork_child (void)	984	static void atfork_child (void)
659	{	985	{
660	aio_req prv;	986	bdb_req prv;
661		987
662	while (prv = reqq_shift (&req_queue))	988	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	989	req_free (prv);
664		990
665	while (prv = reqq_shift (&res_queue))	991	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	1006	idle = 0;
681	nreqs = 0;	1007	nreqs = 0;
682	nready = 0;	1008	nready = 0;
683	npending = 0;	1009	npending = 0;
684		1010
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	1011	create_respipe ();
688		1012
689	atfork_parent ();	1013	atfork_parent ();
690	}	1014	}
691		1015
692	#define dREQ(reqtype) \	1016	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	1017	bdb_req req; \
694	int req_pri = next_pri; \	1018	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1019	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1020	\
697	if (SvOK (callback) && !SvROK (callback)) \	1021	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1022	croak ("callback has illegal type or extra arguments"); \
699	\	1023	\
700	Newz (0, req, 1, aio_cb); \	1024	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1025	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1026	croak ("out of memory during bdb_req allocation"); \
703	\	1027	\
704	req->callback = newSVsv (callback); \	1028	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1029	req->type = (reqtype); \
706	req->pri = req_pri	1030	req->pri = req_pri; \
		1031	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1032	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1033	(void)0;
707		1034
708	#define REQ_SEND \	1035	#define REQ_SEND \
709	req_send (req)	1036	req_send (req)
710		1037
711	#define SvPTR(var, arg, type, class) \	1038	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1039	if (!SvOK (arg)) \
		1040	{ \
		1041	if (nullok != 1) \
		1042	croak (# var " must be a " # class " object, not undef"); \
		1043	\
713	(var) = 0; \	1044	(var) = 0; \
		1045	} \
714	else if (sv_derived_from ((arg), # class)) \	1046	else if (sv_derived_from ((arg), # class)) \
715	{ \	1047	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1048	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1049	(var) = INT2PTR (type, tmp); \
		1050	if (!var && nullok != 2) \
		1051	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1052	} \
719	else \	1053	else \
720	Perl_croak (# var " is not of type " # class)	1054	croak (# var " is not of type " # class);
721		1055
722	inline void	1056	#define ARG_MUTABLE(name) \
723	set_dbt (DBT *dbt, SV *sv)	1057	if (SvREADONLY (name)) \
724	{	1058	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		1059
728	dbt->data = malloc (len);	1060	static void
729	memcpy (dbt->data, data, len);	1061	ptr_nuke (SV *sv)
730	dbt->size = len;	1062	{
		1063	assert (SvROK (sv));
		1064	sv_setiv (SvRV (sv), 0);
731	}	1065	}
732		1066
		1067	static int
		1068	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1069	{
		1070	if (*mg->mg_ptr == '!') // should always be the case
		1071	if (-30999 <= errno && errno <= -30800)
		1072	{
		1073	sv_setnv (sv, (NV)errno);
		1074	sv_setpv (sv, db_strerror (errno));
		1075	SvNOK_on (sv); /* what a wonderful hack! */
		1076	// ^^^ copied from perl sources
		1077	return 0;
		1078	}
		1079
		1080	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1081	}
		1082
		1083	static MGVTBL vtbl_errno;
		1084
		1085	// this wonderful hack :( patches perl's $! variable to support our errno values
		1086	static void
		1087	patch_errno (void)
		1088	{
		1089	SV *sv;
		1090	MAGIC *mg;
		1091
		1092	if (!(sv = get_sv ("!", 1)))
		1093	return;
		1094
		1095	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1096	return;
		1097
		1098	if (mg->mg_virtual != &PL_vtbl_sv)
		1099	return;
		1100
		1101	vtbl_errno = PL_vtbl_sv;
		1102	vtbl_errno.svt_get = errno_get;
		1103	mg->mg_virtual = &vtbl_errno;
		1104	}
		1105
		1106	#if __GNUC__ >= 4
		1107	# define noinline __attribute__ ((noinline))
		1108	#else
		1109	# define noinline
		1110	#endif
		1111
		1112	static noinline SV *
		1113	pop_callback (I32 *ritems, SV *sv)
		1114	{
		1115	if (SvROK (sv))
		1116	{
		1117	HV *st;
		1118	GV *gvp;
		1119	CV *cv;
		1120	const char *name;
		1121
		1122	/* forgive me */
		1123	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1124	&& (st = SvSTASH (SvRV (sv)))
		1125	&& (name = HvNAME_get (st))
		1126	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1127	return 0;
		1128
		1129	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1130	{
		1131	--*ritems;
		1132	return (SV *)cv;
		1133	}
		1134	}
		1135
		1136	return 0;
		1137	}
		1138
		1139	/* stupid windows defines CALLBACK as well */
		1140	#undef CALLBACK
		1141	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1142
733	MODULE = BDB PACKAGE = BDB	1143	MODULE = BDB PACKAGE = BDB
734		1144
735	PROTOTYPES: ENABLE	1145	PROTOTYPES: ENABLE
736		1146
737	BOOT:	1147	BOOT:
…		…
752	const_iv (INIT_TXN)	1162	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1163	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1164	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1165	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1166	const_iv (CREATE)
		1167	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1168	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1169	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1170	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1171	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1172	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1173	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1174	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1175	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)	1176	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1177	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1178	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1179	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1180	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1181	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1182	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1183	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1184	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1185	const_iv (TXN_WRITE_NOSYNC)
		1186	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1187	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1188	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1189	const_iv (XA_CREATE)
785	const_iv (BTREE)	1190	const_iv (BTREE)
786	const_iv (HASH)	1191	const_iv (HASH)
787	const_iv (QUEUE)	1192	const_iv (QUEUE)
788	const_iv (RECNO)	1193	const_iv (RECNO)
789	const_iv (UNKNOWN)	1194	const_iv (UNKNOWN)
790	const_iv (EXCL)	1195	const_iv (EXCL)
791	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	1196	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	1197	const_iv (NOSYNC)
794	const_iv (CHKSUM)	1198	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	1199	const_iv (ENCRYPT)
796	const_iv (TXN_NOT_DURABLE)
797	const_iv (DUP)	1200	const_iv (DUP)
798	const_iv (DUPSORT)	1201	const_iv (DUPSORT)
799	const_iv (RECNUM)	1202	const_iv (RECNUM)
800	const_iv (RENUMBER)	1203	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	1204	const_iv (REVSPLITOFF)
802	const_iv (INORDER)
803	const_iv (CONSUME)	1205	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	1206	const_iv (CONSUME_WAIT)
		1207	const_iv (GET_BOTH)
		1208	const_iv (GET_BOTH_RANGE)
		1209	//const_iv (SET_RECNO)
		1210	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	1211	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	1212	const_iv (JOIN_ITEM)
		1213	const_iv (JOIN_NOSORT)
807	const_iv (RMW)	1214	const_iv (RMW)
808		1215
809	const_iv (NOTFOUND)	1216	const_iv (NOTFOUND)
810	const_iv (KEYEMPTY)	1217	const_iv (KEYEMPTY)
811	const_iv (LOCK_DEADLOCK)	1218	const_iv (LOCK_DEADLOCK)
812	const_iv (LOCK_NOTGRANTED)	1219	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	1220	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	1221	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	1222	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	1223	const_iv (SECONDARY_BAD)
817
818	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)
820		1224
821	const_iv (APPEND)	1225	const_iv (APPEND)
822	const_iv (NODUPDATA)	1226	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1227	const_iv (NOOVERWRITE)
824		1228
		1229	const_iv (TXN_NOWAIT)
		1230	const_iv (TXN_SYNC)
		1231
825	const_iv (SET_LOCK_TIMEOUT)	1232	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1233	const_iv (SET_TXN_TIMEOUT)
		1234
		1235	const_iv (FIRST)
		1236	const_iv (NEXT)
		1237	const_iv (NEXT_DUP)
		1238	const_iv (NEXT_NODUP)
		1239	const_iv (PREV)
		1240	const_iv (PREV_NODUP)
		1241	const_iv (SET)
		1242	const_iv (SET_RANGE)
		1243	const_iv (LAST)
		1244	const_iv (BEFORE)
		1245	const_iv (AFTER)
		1246	const_iv (CURRENT)
		1247	const_iv (KEYFIRST)
		1248	const_iv (KEYLAST)
		1249	const_iv (NODUPDATA)
		1250
		1251	const_iv (FORCE)
		1252
		1253	const_iv (LOCK_DEFAULT)
		1254	const_iv (LOCK_EXPIRE)
		1255	const_iv (LOCK_MAXLOCKS)
		1256	const_iv (LOCK_MINLOCKS)
		1257	const_iv (LOCK_MINWRITE)
		1258	const_iv (LOCK_OLDEST)
		1259	const_iv (LOCK_RANDOM)
		1260	const_iv (LOCK_YOUNGEST)
		1261
		1262	const_iv (DONOTINDEX)
		1263	const_iv (KEYEMPTY )
		1264	const_iv (KEYEXIST )
		1265	const_iv (LOCK_DEADLOCK)
		1266	const_iv (LOCK_NOTGRANTED)
		1267	const_iv (NOSERVER)
		1268	const_iv (NOSERVER_HOME)
		1269	const_iv (NOSERVER_ID)
		1270	const_iv (NOTFOUND)
		1271	const_iv (PAGE_NOTFOUND)
		1272	const_iv (REP_DUPMASTER)
		1273	const_iv (REP_HANDLE_DEAD)
		1274	const_iv (REP_HOLDELECTION)
		1275	const_iv (REP_ISPERM)
		1276	const_iv (REP_NEWMASTER)
		1277	const_iv (REP_NEWSITE)
		1278	const_iv (REP_NOTPERM)
		1279	const_iv (REP_UNAVAIL)
		1280	const_iv (RUNRECOVERY)
		1281	const_iv (SECONDARY_BAD)
		1282	const_iv (VERIFY_BAD)
		1283
		1284	const_iv (VERB_DEADLOCK)
		1285	const_iv (VERB_RECOVERY)
		1286	const_iv (VERB_REPLICATION)
		1287	const_iv (VERB_WAITSFOR)
		1288
		1289	const_iv (VERSION_MAJOR)
		1290	const_iv (VERSION_MINOR)
		1291	const_iv (VERSION_PATCH)
		1292	#if DB_VERSION_MINOR >= 3
		1293	const_iv (INORDER)
		1294	const_iv (LOCK_MAXWRITE)
		1295	const_iv (SEQ_DEC)
		1296	const_iv (SEQ_INC)
		1297	const_iv (SEQ_WRAP)
		1298	const_iv (BUFFER_SMALL)
		1299	const_iv (LOG_BUFFER_FULL)
		1300	const_iv (VERSION_MISMATCH)
		1301	#endif
		1302	#if DB_VERSION_MINOR >= 4
		1303	const_iv (REGISTER)
		1304	const_iv (DSYNC_DB)
		1305	const_iv (READ_COMMITTED)
		1306	const_iv (READ_UNCOMMITTED)
		1307	const_iv (REP_IGNORE)
		1308	const_iv (REP_LOCKOUT)
		1309	const_iv (REP_JOIN_FAILURE)
		1310	const_iv (FREE_SPACE)
		1311	const_iv (FREELIST_ONLY)
		1312	const_iv (VERB_REGISTER)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 5
		1315	const_iv (MULTIVERSION)
		1316	const_iv (TXN_SNAPSHOT)
		1317	#endif
		1318	#if DB_VERSION_MINOR >= 6
		1319	const_iv (PREV_DUP)
		1320	const_iv (PRIORITY_UNCHANGED)
		1321	const_iv (PRIORITY_VERY_LOW)
		1322	const_iv (PRIORITY_LOW)
		1323	const_iv (PRIORITY_DEFAULT)
		1324	const_iv (PRIORITY_HIGH)
		1325	const_iv (PRIORITY_VERY_HIGH)
		1326	#endif
		1327	#if DB_VERSION_MINOR >= 7
		1328	const_iv (LOG_DIRECT)
		1329	const_iv (LOG_DSYNC)
		1330	const_iv (LOG_AUTO_REMOVE)
		1331	const_iv (LOG_IN_MEMORY)
		1332	const_iv (LOG_ZERO)
		1333	#else
		1334	const_iv (DIRECT_LOG)
		1335	const_iv (LOG_AUTOREMOVE)
		1336	# if DB_VERSION_MINOR >= 3
		1337	const_iv (DSYNC_LOG)
		1338	const_iv (LOG_INMEMORY)
		1339	# endif
		1340	#endif
827	};	1341	};
828		1342
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1343	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1344	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
831		1345
832	create_pipe ();	1346	prepare_cb = &PL_sv_undef;
		1347
		1348	{
		1349	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1350	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1351
		1352	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1353	}
		1354
		1355	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1356
		1357	create_respipe ();
		1358
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1359	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1360	patch_errno ();
834	}	1361	}
835		1362
836	void	1363	void
837	max_poll_reqs (int nreqs)	1364	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1365	PROTOTYPE: $
…		…
957		1484
958	int	1485	int
959	nthreads ()	1486	nthreads ()
960	PROTOTYPE:	1487	PROTOTYPE:
961	CODE:	1488	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1489	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1490	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1491	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1492	OUTPUT:
966	RETVAL	1493	RETVAL
967		1494
968	void	1495	SV *
969	set_sync_prepare (SV *cb)	1496	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1497	PROTOTYPE: &
971	CODE:	1498	CODE:
972	SvREFCNT_dec (prepare_cb);	1499	RETVAL = prepare_cb;
973	prepare_cb = newSVsv (cb);	1500	prepare_cb = newSVsv (cb);
		1501	OUTPUT:
		1502	RETVAL
		1503
		1504	char *
		1505	strerror (int errorno = errno)
		1506	PROTOTYPE: ;$
		1507	CODE:
		1508	RETVAL = db_strerror (errorno);
		1509	OUTPUT:
		1510	RETVAL
		1511
		1512	void _on_next_submit (SV *cb)
		1513	CODE:
		1514	SvREFCNT_dec (on_next_submit);
		1515	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
974		1516
975	DB_ENV *	1517	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1518	db_env_create (U32 env_flags = 0)
977	CODE:	1519	CODE:
978	{	1520	{
979	errno = db_env_create (&RETVAL, env_flags);	1521	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1522	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1523	croak ("db_env_create: %s", db_strerror (errno));
		1524
		1525	if (0)
		1526	{
		1527	RETVAL->set_errcall (RETVAL, debug_errcall);
		1528	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1529	}
982	}	1530	}
983	OUTPUT:	1531	OUTPUT:
984	RETVAL	1532	RETVAL
985		1533
986	void	1534	void
987	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1535	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
988	CODE:	1538	CODE:
989	{	1539	{
990	dREQ (REQ_ENV_OPEN);	1540	dREQ (REQ_ENV_OPEN, 1);
991	req->env = env;	1541	req->env = env;
992	req->uint1 = open_flags | DB_THREAD;	1542	req->uint1 = open_flags | DB_THREAD;
993	req->int1 = mode;	1543	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1544	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1545	REQ_SEND;
996	}	1546	}
997		1547
998	void	1548	void
999	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1549	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
1000	CODE:	1552	CODE:
1001	{	1553	{
1002	dREQ (REQ_ENV_CLOSE);	1554	dREQ (REQ_ENV_CLOSE, 0);
		1555	ptr_nuke (ST (0));
1003	req->env = env;	1556	req->env = env;
1004	req->uint1 = flags;	1557	req->uint1 = flags;
1005	REQ_SEND;	1558	REQ_SEND;
1006	}	1559	}
1007		1560
		1561	void
		1562	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1563	PREINIT:
		1564	CALLBACK
		1565	CODE:
		1566	{
		1567	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1568	req->env = env;
		1569	req->uint1 = kbyte;
		1570	req->int1 = min;
		1571	req->uint2 = flags;
		1572	REQ_SEND;
		1573	}
		1574
		1575	void
		1576	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1577	PREINIT:
		1578	CALLBACK
		1579	CODE:
		1580	{
		1581	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1582	req->env = env;
		1583	req->uint1 = flags;
		1584	req->uint2 = atype;
		1585	/* req->int2 = 0; dummy */
		1586	REQ_SEND;
		1587	}
		1588
		1589	void
		1590	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1591	PREINIT:
		1592	CALLBACK
		1593	CODE:
		1594	{
		1595	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1596	req->env = env;
		1597	REQ_SEND;
		1598	}
		1599
		1600	void
		1601	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1602	PREINIT:
		1603	CALLBACK
		1604	CODE:
		1605	{
		1606	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1607	req->env = env;
		1608	req->int1 = percent;
		1609	REQ_SEND;
		1610	}
		1611
		1612	void
		1613	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1614	PREINIT:
		1615	CALLBACK
		1616	CODE:
		1617	{
		1618	dREQ (REQ_ENV_DBREMOVE, 2);
		1619	req->env = env;
		1620	req->buf1 = strdup_ornull (file);
		1621	req->buf2 = strdup_ornull (database);
		1622	req->uint1 = flags;
		1623	REQ_SEND;
		1624	}
		1625
		1626	void
		1627	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)
		1628	PREINIT:
		1629	CALLBACK
		1630	CODE:
		1631	{
		1632	dREQ (REQ_ENV_DBRENAME, 2);
		1633	req->env = env;
		1634	req->buf1 = strdup_ornull (file);
		1635	req->buf2 = strdup_ornull (database);
		1636	req->buf3 = strdup_ornull (newname);
		1637	req->uint1 = flags;
		1638	REQ_SEND;
		1639	}
		1640
1008	DB *	1641	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1642	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1643	CODE:
1011	{	1644	{
1012	errno = db_create (&RETVAL, env, flags);	1645	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1646	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1647	croak ("db_create: %s", db_strerror (errno));
		1648
		1649	if (RETVAL)
		1650	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1651	}
1016	OUTPUT:	1652	OUTPUT:
1017	RETVAL	1653	RETVAL
1018		1654
1019	void	1655	void
1020	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1656	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
1021	CODE:	1659	CODE:
1022	{	1660	{
1023	dREQ (REQ_DB_OPEN);	1661	dREQ (REQ_DB_OPEN, 2);
1024	req->db = db;	1662	req->db = db;
1025	req->txn = txnid;	1663	req->txn = txnid;
1026	req->buf1 = strdup_ornull (file);	1664	req->buf1 = strdup_ornull (file);
1027	req->buf2 = strdup_ornull (database);	1665	req->buf2 = strdup_ornull (database);
1028	req->int1 = type;	1666	req->int1 = type;
…		…
1030	req->int2 = mode;	1668	req->int2 = mode;
1031	REQ_SEND;	1669	REQ_SEND;
1032	}	1670	}
1033		1671
1034	void	1672	void
1035	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1673	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1674	PREINIT:
		1675	CALLBACK
1036	CODE:	1676	CODE:
1037	{	1677	{
1038	dREQ (REQ_DB_CLOSE);	1678	dREQ (REQ_DB_CLOSE, 0);
		1679	ptr_nuke (ST (0));
1039	req->db = db;	1680	req->db = db;
1040	req->uint1 = flags;	1681	req->uint1 = flags;
		1682	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1683	REQ_SEND;
1042	}	1684	}
1043		1685
		1686	#if DB_VERSION_MINOR >= 4
		1687
1044	void	1688	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)	1689	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)
		1690	PREINIT:
		1691	CALLBACK
1046	CODE:	1692	CODE:
1047	{	1693	{
1048	dREQ (REQ_DB_COMPACT);	1694	dREQ (REQ_DB_COMPACT, 2);
1049	req->db = db;	1695	req->db = db;
1050	req->txn = txn;	1696	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1697	sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1698	sv_to_dbt (&req->dbt2, stop);
1053	req->uint1 = flags;	1699	req->uint1 = flags;
1054	REQ_SEND;	1700	REQ_SEND;
1055	}	1701	}
1056		1702
		1703	#endif
		1704
1057	void	1705	void
1058	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1706	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1707	PREINIT:
		1708	CALLBACK
1059	CODE:	1709	CODE:
1060	{	1710	{
1061	dREQ (REQ_DB_SYNC);	1711	dREQ (REQ_DB_SYNC, 1);
1062	req->db = db;	1712	req->db = db;
1063	req->uint1 = flags;	1713	req->uint1 = flags;
1064	REQ_SEND;	1714	REQ_SEND;
1065	}	1715	}
1066		1716
1067	void	1717	void
1068	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1718	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1719	PREINIT:
		1720	CALLBACK
1069	CODE:	1721	CODE:
1070	{	1722	{
1071	dREQ (REQ_DB_PUT);	1723	dREQ (REQ_DB_SYNC, 1);
1072	req->db = db;	1724	req->db = db;
1073	req->txn = 0;	1725	req->buf1 = strdup (file);
1074	set_dbt (&req->dbt1, key);
1075	set_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1726	req->uint1 = flags;
1077	REQ_SEND;	1727	REQ_SEND;
1078	}	1728	}
1079		1729
		1730	void
		1731	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1732	PREINIT:
		1733	CALLBACK
		1734	CODE:
		1735	{
		1736	dREQ (REQ_DB_KEY_RANGE, 2);
		1737	req->db = db;
		1738	req->txn = txn;
		1739	sv_to_dbt (&req->dbt1, key);
		1740	req->uint1 = flags;
		1741	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1742	REQ_SEND;
		1743	}
		1744
		1745	void
		1746	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
		1749	CODE:
		1750	{
		1751	dREQ (REQ_DB_PUT, 2);
		1752	req->db = db;
		1753	req->txn = txn;
		1754	sv_to_dbt (&req->dbt1, key);
		1755	sv_to_dbt (&req->dbt2, data);
		1756	req->uint1 = flags;
		1757	REQ_SEND;
		1758	}
		1759
		1760	#if DB_VERSION_MINOR >= 6
		1761
		1762	void
		1763	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1764	PREINIT:
		1765	CALLBACK
		1766	CODE:
		1767	{
		1768	dREQ (REQ_DB_EXISTS, 2);
		1769	req->db = db;
		1770	req->txn = txn;
		1771	req->uint1 = flags;
		1772	sv_to_dbt (&req->dbt1, key);
		1773	REQ_SEND;
		1774	}
		1775
		1776	#endif
		1777
		1778	void
		1779	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1780	PREINIT:
		1781	CALLBACK
		1782	CODE:
		1783	{
		1784	//TODO: key is somtimesmutable
		1785	dREQ (REQ_DB_GET, 2);
		1786	req->db = db;
		1787	req->txn = txn;
		1788	req->uint1 = flags;
		1789	sv_to_dbt (&req->dbt1, key);
		1790	req->dbt3.flags = DB_DBT_MALLOC;
		1791	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1792	REQ_SEND;
		1793	}
		1794
		1795	void
		1796	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1797	PREINIT:
		1798	CALLBACK
		1799	CODE:
		1800	{
		1801	//TODO: key is somtimesmutable
		1802	dREQ (REQ_DB_PGET, 2);
		1803	req->db = db;
		1804	req->txn = txn;
		1805	req->uint1 = flags;
		1806
		1807	sv_to_dbt (&req->dbt1, key);
		1808
		1809	req->dbt2.flags = DB_DBT_MALLOC;
		1810	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1811
		1812	req->dbt3.flags = DB_DBT_MALLOC;
		1813	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1814	REQ_SEND;
		1815	}
		1816
		1817	void
		1818	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1819	PREINIT:
		1820	CALLBACK
		1821	CODE:
		1822	{
		1823	dREQ (REQ_DB_DEL, 2);
		1824	req->db = db;
		1825	req->txn = txn;
		1826	req->uint1 = flags;
		1827	sv_to_dbt (&req->dbt1, key);
		1828	REQ_SEND;
		1829	}
		1830
		1831	void
		1832	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1833	PREINIT:
		1834	CALLBACK
		1835	CODE:
		1836	{
		1837	dREQ (REQ_TXN_COMMIT, 0);
		1838	ptr_nuke (ST (0));
		1839	req->txn = txn;
		1840	req->uint1 = flags;
		1841	REQ_SEND;
		1842	}
		1843
		1844	void
		1845	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1846	PREINIT:
		1847	CALLBACK
		1848	CODE:
		1849	{
		1850	dREQ (REQ_TXN_ABORT, 0);
		1851	ptr_nuke (ST (0));
		1852	req->txn = txn;
		1853	REQ_SEND;
		1854	}
		1855
		1856	void
		1857	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1858	PREINIT:
		1859	CALLBACK
		1860	CODE:
		1861	{
		1862	dREQ (REQ_TXN_FINISH, 0);
		1863	ptr_nuke (ST (0));
		1864	req->txn = txn;
		1865	req->uint1 = flags;
		1866	REQ_SEND;
		1867	}
		1868
		1869	void
		1870	db_c_close (DBC *dbc, SV *callback = 0)
		1871	PREINIT:
		1872	CALLBACK
		1873	CODE:
		1874	{
		1875	dREQ (REQ_C_CLOSE, 0);
		1876	ptr_nuke (ST (0));
		1877	req->dbc = dbc;
		1878	REQ_SEND;
		1879	}
		1880
		1881	void
		1882	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1883	PREINIT:
		1884	CALLBACK
		1885	CODE:
		1886	{
		1887	dREQ (REQ_C_COUNT, 1);
		1888	req->dbc = dbc;
		1889	req->sv1 = SvREFCNT_inc (count);
		1890	REQ_SEND;
		1891	}
		1892
		1893	void
		1894	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1895	PREINIT:
		1896	CALLBACK
		1897	CODE:
		1898	{
		1899	dREQ (REQ_C_PUT, 1);
		1900	req->dbc = dbc;
		1901	sv_to_dbt (&req->dbt1, key);
		1902	sv_to_dbt (&req->dbt2, data);
		1903	req->uint1 = flags;
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1914	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1915
		1916	{
		1917	dREQ (REQ_C_GET, 1);
		1918	req->dbc = dbc;
		1919	req->uint1 = flags;
		1920	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1921	sv_to_dbt (&req->dbt1, key);
		1922	else
		1923	{
		1924	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1925	sv_to_dbt (&req->dbt1, key);
		1926	else
		1927	req->dbt1.flags = DB_DBT_MALLOC;
		1928
		1929	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1930	}
		1931
		1932	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1933	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1934	sv_to_dbt (&req->dbt3, data);
		1935	else
		1936	req->dbt3.flags = DB_DBT_MALLOC;
		1937
		1938	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1939	REQ_SEND;
		1940	}
		1941	}
		1942
		1943	void
		1944	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1945	PREINIT:
		1946	CALLBACK
		1947	CODE:
		1948	{
		1949	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1950	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1951
		1952	{
		1953	dREQ (REQ_C_PGET, 1);
		1954	req->dbc = dbc;
		1955	req->uint1 = flags;
		1956	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1957	sv_to_dbt (&req->dbt1, key);
		1958	else
		1959	{
		1960	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1961	sv_to_dbt (&req->dbt1, key);
		1962	else
		1963	req->dbt1.flags = DB_DBT_MALLOC;
		1964
		1965	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1966	}
		1967
		1968	req->dbt2.flags = DB_DBT_MALLOC;
		1969	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1970
		1971	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1972	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1973	sv_to_dbt (&req->dbt3, data);
		1974	else
		1975	req->dbt3.flags = DB_DBT_MALLOC;
		1976
		1977	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1978	REQ_SEND;
		1979	}
		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	dREQ (REQ_SEQ_CLOSE, 0);
		2018	ptr_nuke (ST (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
1080		2054
1081	MODULE = BDB PACKAGE = BDB::Env	2055	MODULE = BDB PACKAGE = BDB::Env
1082		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
1083	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)
1084	CODE:	2088	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2089	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	2090	OUTPUT:
1087	RETVAL	2091	RETVAL
1088		2092
1089	int set_flags (DB_ENV *env, U32 flags, int onoff)	2093	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1090	CODE:	2094	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	2095	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	2096	OUTPUT:
1093	RETVAL	2097	RETVAL
1094		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
1095	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)
1096	CODE:	2131	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	2132	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	2133	OUTPUT:
1099	RETVAL	2134	RETVAL
1100		2135
1101	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)
1102	CODE:	2137	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2138	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	2139	OUTPUT:
1105	RETVAL	2140	RETVAL
1106		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
1107		2245
1108	MODULE = BDB PACKAGE = BDB::Db	2246	MODULE = BDB PACKAGE = BDB::Db
1109		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
1110	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)
1111	CODE:	2259	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2260	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	2261	OUTPUT:
1114	RETVAL	2262	RETVAL
1115		2263
1116	int set_flags (DB *db, U32 flags);	2264	int set_flags (DB *db, U32 flags)
1117	CODE:	2265	CODE:
1118	RETVAL = db->set_flags (db, flags);	2266	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	2267	OUTPUT:
1120	RETVAL	2268	RETVAL
1121		2269
…		…
1129	CODE:	2277	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	2278	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	2279	OUTPUT:
1132	RETVAL	2280	RETVAL
1133		2281
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	2282	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	2283	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	2284	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	2285	OUTPUT:
1139	RETVAL	2286	RETVAL
1140		2287
1141	int set_re_delim(DB *db, int delim);	2288	int set_re_delim (DB *db, int delim)
1142	CODE:	2289	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	2290	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	2291	OUTPUT:
1145	RETVAL	2292	RETVAL
1146		2293
…		…
1178	CODE:	2325	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	2326	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	2327	OUTPUT:
1181	RETVAL	2328	RETVAL
1182		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
1183		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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