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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 1.75 by root, Fri Jul 29 08:35:35 2011 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	#include "schmorp.h"
		12
		13	// perl stupidly defines these as argument-less macros, breaking
		14	// lots and lots of code.
		15	#undef open
		16	#undef close
		17	#undef abort
		18	#undef malloc
		19	#undef free
		20	#undef send
18		21
19	#include <stddef.h>	22	#include <stddef.h>
20	#include <stdlib.h>	23	#include <stdlib.h>
21	#include <errno.h>	24	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	25	#include <sys/types.h>
24	#include <limits.h>	26	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	27	#include <fcntl.h>
27		28
		29	#ifndef _WIN32
		30	# include <sys/time.h>
		31	# include <unistd.h>
		32	#endif
		33
28	#include <db.h>	34	#include <db.h>
		35
		36	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		38	#endif
29		39
30	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
32		42
33	/* wether word reads are potentially non-atomic.	43	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	44
35	* on have atomic word read/writes.	45	typedef DB_ENV DB_ENV_ornull;
36	*/	46	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	47	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	48	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	49
40	# else	50	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	58	#endif
43	#endif
44		59
45	typedef SV SV8; /* byte-sv, used for argument-checking */	60	typedef char *bdb_filename;
46	typedef char *octetstring;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
49		63
		64	static HV
		65	*bdb_stash,
		66	*bdb_env_stash,
		67	*bdb_txn_stash,
		68	*bdb_cursor_stash,
		69	*bdb_db_stash,
		70	*bdb_sequence_stash;
		71
		72	#if DB_VERSION_MINOR >= 6
		73	# define c_close close
		74	# define c_count count
		75	# define c_del del
		76	# define c_dup dup
		77	# define c_get get
		78	# define c_pget pget
		79	# define c_put put
		80	#endif
		81
50	static inline char *	82	static char *
		83	get_bdb_filename (SV *sv)
		84	{
		85	if (!SvOK (sv))
		86	return 0;
		87
		88	#if _WIN32
		89	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		90	{
		91	STRLEN len;
		92	char *src = SvPVbyte (sv, len);
		93	SV *t1 = sv_newmortal ();
		94	SV *t2 = sv_newmortal ();
		95
		96	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		97	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		98
		99	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		100	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		101	SvPOK_only (t2);
		102	SvPVX (t2)[len] = 0;
		103	SvCUR_set (t2, len);
		104
		105	return SvPVX (t2);
		106	}
		107	#else
		108	return SvPVbyte_nolen (sv);
		109	#endif
		110	}
		111
		112	static void
		113	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		114	{
		115	printf ("err[%s]\n", msg);
		116	}
		117
		118	static void
		119	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		120	{
		121	printf ("msg[%s]\n", msg);
		122	}
		123
		124	static char *
51	strdup_ornull (const char *s)	125	strdup_ornull (const char *s)
52	{	126	{
53	return s ? strdup (s) : 0;	127	return s ? strdup (s) : 0;
54	}	128	}
55		129
		130	static void
		131	sv_to_dbt (DBT *dbt, SV *sv)
		132	{
		133	STRLEN len;
		134	char *data = SvPVbyte (sv, len);
		135
		136	dbt->data = malloc (len);
		137	memcpy (dbt->data, data, len);
		138	dbt->size = len;
		139	dbt->flags = DB_DBT_REALLOC;
		140	}
		141
		142	static void
		143	dbt_to_sv (SV *sv, DBT *dbt)
		144	{
		145	if (sv)
		146	{
		147	SvREADONLY_off (sv);
		148
		149	if (dbt->data)
		150	sv_setpvn_mg (sv, dbt->data, dbt->size);
		151	else
		152	sv_setsv_mg (sv, &PL_sv_undef);
		153
		154	SvREFCNT_dec (sv);
		155	}
		156
		157	free (dbt->data);
		158	}
		159
56	enum {	160	enum {
57	REQ_QUIT,	161	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	162	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		163	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		164	REQ_ENV_LOG_ARCHIVE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	165	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
		166	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		167	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		168	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		169	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	170	};
61		171
62	typedef struct aio_cb	172	typedef struct bdb_cb
63	{	173	{
64	struct aio_cb *volatile next;	174	struct bdb_cb *volatile next;
65	SV *callback;	175	SV *callback;
66	int type, pri, result;	176	int type, pri, result;
67		177
68	DB_ENV *env;	178	DB_ENV *env;
69	DB *db;	179	DB *db;
70	DB_TXN *txn;	180	DB_TXN *txn;
71	DBC *cursor;	181	DBC *dbc;
		182
		183	UV uv1;
72	int int1, int2;	184	int int1, int2;
73	U32 uint1, uint2;	185	U32 uint1, uint2;
74	char *buf1, *buf2;	186	char *buf1, *buf2, *buf3;
		187	SV *sv1, *sv2, *sv3;
75		188
76	DBT dbt1, dbt2, dbt3;	189	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	190	DB_KEY_RANGE key_range;
		191	#if DB_VERSION_MINOR >= 3
		192	DB_SEQUENCE *seq;
		193	db_seq_t seq_t;
		194	#endif
78		195
		196	SV *rsv1, *rsv2; // keep some request objects alive
		197	} bdb_cb;
		198
79	typedef aio_cb *aio_req;	199	typedef bdb_cb *bdb_req;
80		200
81	enum {	201	enum {
82	PRI_MIN = -4,	202	PRI_MIN = -4,
83	PRI_MAX = 4,	203	PRI_MAX = 4,
84		204
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	207	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	208	};
89		209
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	210	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		211
		212	static SV *on_next_submit;
		213
92	static unsigned int max_poll_time = 0;	214	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	215	static unsigned int max_poll_reqs = 0;
94		216
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	217	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	218	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		223
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	224	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		225
104	static unsigned int started, idle, wanted;	226	static unsigned int started, idle, wanted;
105		227
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 */	228	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	229	static xmutex_t wrklock = X_MUTEX_INIT;
117		230
118	typedef struct worker {	231	typedef struct worker {
119	/* locked by wrklock */	232	/* locked by wrklock */
120	struct worker *prev, *next;	233	struct worker *prev, *next;
121		234
122	pthread_t tid;	235	xthread_t tid;
123		236
124	/* locked by reslock, reqlock or wrklock */	237	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	238	bdb_req req; /* currently processed request */
126	void *dbuf;	239	void *dbuf;
127	DIR *dirp;	240	DIR *dirp;
128	} worker;	241	} worker;
129		242
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	243	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	255	}
143		256
144	static volatile unsigned int nreqs, nready, npending;	257	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	258	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	259	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	260	static s_epipe respipe;
148		261
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	262	static xmutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	263	static xmutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	264	static xcond_t reqwait = X_COND_INIT;
152		265
153	#if WORDACCESS_UNSAFE	266	#if WORDACCESS_UNSAFE
154		267
155	static unsigned int get_nready ()	268	static unsigned int get_nready (void)
156	{	269	{
157	unsigned int retval;	270	unsigned int retval;
158		271
159	LOCK (reqlock);	272	X_LOCK (reqlock);
160	retval = nready;	273	retval = nready;
161	UNLOCK (reqlock);	274	X_UNLOCK (reqlock);
162		275
163	return retval;	276	return retval;
164	}	277	}
165		278
166	static unsigned int get_npending ()	279	static unsigned int get_npending (void)
167	{	280	{
168	unsigned int retval;	281	unsigned int retval;
169		282
170	LOCK (reslock);	283	X_LOCK (reslock);
171	retval = npending;	284	retval = npending;
172	UNLOCK (reslock);	285	X_UNLOCK (reslock);
173		286
174	return retval;	287	return retval;
175	}	288	}
176		289
177	static unsigned int get_nthreads ()	290	static unsigned int get_nthreads (void)
178	{	291	{
179	unsigned int retval;	292	unsigned int retval;
180		293
181	LOCK (wrklock);	294	X_LOCK (wrklock);
182	retval = started;	295	retval = started;
183	UNLOCK (wrklock);	296	X_UNLOCK (wrklock);
184		297
185	return retval;	298	return retval;
186	}	299	}
187		300
188	#else	301	#else
…		…
197	* a somewhat faster data structure might be nice, but	310	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	311	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	312	* per shift, the most expensive operation.
200	*/	313	*/
201	typedef struct {	314	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	315	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	316	int size;
204	} reqq;	317	} reqq;
205		318
206	static reqq req_queue;	319	static reqq req_queue;
207	static reqq res_queue;	320	static reqq res_queue;
208		321
209	int reqq_push (reqq *q, aio_req req)	322	int reqq_push (reqq *q, bdb_req req)
210	{	323	{
211	int pri = req->pri;	324	int pri = req->pri;
212	req->next = 0;	325	req->next = 0;
213		326
214	if (q->qe[pri])	327	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	333	q->qe[pri] = q->qs[pri] = req;
221		334
222	return q->size++;	335	return q->size++;
223	}	336	}
224		337
225	aio_req reqq_shift (reqq *q)	338	bdb_req reqq_shift (reqq *q)
226	{	339	{
227	int pri;	340	int pri;
228		341
229	if (!q->size)	342	if (!q->size)
230	return 0;	343	return 0;
231		344
232	--q->size;	345	--q->size;
233		346
234	for (pri = NUM_PRI; pri--; )	347	for (pri = NUM_PRI; pri--; )
235	{	348	{
236	aio_req req = q->qs[pri];	349	bdb_req req = q->qs[pri];
237		350
238	if (req)	351	if (req)
239	{	352	{
240	if (!(q->qs[pri] = req->next))	353	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	354	q->qe[pri] = 0;
…		…
245	}	358	}
246		359
247	abort ();	360	abort ();
248	}	361	}
249		362
250	static int poll_cb ();	363	static int poll_cb (void);
251	static void req_free (aio_req req);	364	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);
253		365
254	static int req_invoke (aio_req req)	366	static int req_invoke (bdb_req req)
255	{	367	{
256	dSP;	368	switch (req->type)
257
258	if (SvOK (req->callback))
259	{	369	{
		370	case REQ_DB_CLOSE:
		371	SvREFCNT_dec (req->sv1);
		372	break;
		373
		374	case REQ_DB_GET:
		375	case REQ_DB_PGET:
		376	case REQ_C_GET:
		377	case REQ_C_PGET:
		378	case REQ_DB_PUT:
		379	case REQ_C_PUT:
		380	dbt_to_sv (req->sv1, &req->dbt1);
		381	dbt_to_sv (req->sv2, &req->dbt2);
		382	dbt_to_sv (req->sv3, &req->dbt3);
		383	break;
		384
		385	case REQ_DB_KEY_RANGE:
		386	{
		387	AV *av = newAV ();
		388
		389	av_push (av, newSVnv (req->key_range.less));
		390	av_push (av, newSVnv (req->key_range.equal));
		391	av_push (av, newSVnv (req->key_range.greater));
		392
		393	av = (AV *)newRV_noinc ((SV *)av);
		394
		395	SvREADONLY_off (req->sv1);
		396	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		397	SvREFCNT_dec (av);
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
		414
		415	case REQ_ENV_LOG_ARCHIVE:
		416	{
		417	AV *av = newAV ();
		418	char **listp = (char **)req->buf1;
		419
		420	if (listp)
		421	while (*listp)
		422	av_push (av, newSVpv (*listp, 0)), ++listp;
		423
		424	av = (AV *)newRV_noinc ((SV *)av);
		425
		426	SvREADONLY_off (req->sv1);
		427	sv_setsv_mg (req->sv1, (SV *)av);
		428	SvREFCNT_dec (av);
		429	SvREFCNT_dec (req->sv1);
		430	}
		431	break;
		432	}
		433
		434	errno = req->result;
		435
		436	if (req->callback)
		437	{
		438	dSP;
		439
260	ENTER;	440	ENTER;
261	SAVETMPS;	441	SAVETMPS;
262	PUSHMARK (SP);	442	PUSHMARK (SP);
263	EXTEND (SP, 1);
264
265	switch (req->type)
266	{
267	}
268
269	errno = req->result;
270		443
271	PUTBACK;	444	PUTBACK;
272	call_sv (req->callback, G_VOID | G_EVAL);	445	call_sv (req->callback, G_VOID | G_EVAL);
273	SPAGAIN;	446	SPAGAIN;
274		447
275	FREETMPS;	448	FREETMPS;
276	LEAVE;	449	LEAVE;
		450
		451	return !SvTRUE (ERRSV);
277	}	452	}
278		453
279	return !SvTRUE (ERRSV);	454	return 1;
280	}	455	}
281		456
282	static void req_free (aio_req req)	457	static void req_free (bdb_req req)
283	{	458	{
		459	SvREFCNT_dec (req->callback);
		460
		461	SvREFCNT_dec (req->rsv1);
		462	SvREFCNT_dec (req->rsv2);
		463
284	free (req->buf1);	464	free (req->buf1);
285	free (req->buf2);	465	free (req->buf2);
		466	free (req->buf3);
		467
286	Safefree (req);	468	Safefree (req);
287	}	469	}
288		470
289	static void *aio_proc (void *arg);	471	static void
		472	create_respipe (void)
		473	{
		474	if (s_epipe_renew (&respipe))
		475	croak ("BDB: unable to create event pipe");
		476	}
		477
		478	static void bdb_request (bdb_req req);
		479	X_THREAD_PROC (bdb_proc);
290		480
291	static void start_thread (void)	481	static void start_thread (void)
292	{	482	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	483	worker *wrk = calloc (1, sizeof (worker));
297		484
298	if (!wrk)	485	if (!wrk)
299	croak ("unable to allocate worker thread data");	486	croak ("unable to allocate worker thread data");
300		487
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);	488	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	489	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	490	{
314	wrk->prev = &wrk_first;	491	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	492	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	493	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	494	wrk_first.next = wrk;
318	++started;	495	++started;
319	}	496	}
320	else	497	else
321	free (wrk);	498	free (wrk);
322		499
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	500	X_UNLOCK (wrklock);
325	}	501	}
326		502
327	static void maybe_start_thread ()	503	static void maybe_start_thread (void)
328	{	504	{
329	if (get_nthreads () >= wanted)	505	if (get_nthreads () >= wanted)
330	return;	506	return;
331		507
332	/* todo: maybe use idle here, but might be less exact */	508	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	510	return;
335		511
336	start_thread ();	512	start_thread ();
337	}	513	}
338		514
339	static void req_send (aio_req req)	515	static void req_send (bdb_req req)
340	{	516	{
341	SV *wait_callback = 0;	517	SV *wait_callback = 0;
342		518
343	// synthesize callback if none given	519	if (on_next_submit)
344	if (!SvOK (req->callback))
345	{	520	{
346	dSP;	521	dSP;
		522	SV *cb = sv_2mortal (on_next_submit);
		523
		524	on_next_submit = 0;
		525
347	PUSHMARK (SP);	526	PUSHMARK (SP);
348	PUTBACK;	527	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	528	call_sv (cb, G_DISCARD | G_EVAL);
350	SPAGAIN;	529	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	}	530	}
359		531
		532	// synthesize callback if none given
		533	if (!req->callback)
		534	{
		535	if (SvOK (prepare_cb))
		536	{
		537	int count;
		538
		539	dSP;
		540	PUSHMARK (SP);
		541	PUTBACK;
		542	count = call_sv (prepare_cb, G_ARRAY);
		543	SPAGAIN;
		544
		545	if (count != 2)
		546	croak ("sync prepare callback must return exactly two values\n");
		547
		548	wait_callback = POPs;
		549	req->callback = SvREFCNT_inc (POPs);
		550	}
		551	else
		552	{
		553	// execute request synchronously
		554	bdb_request (req);
		555	req_invoke (req);
		556	req_free (req);
		557	return;
		558	}
		559	}
		560
360	++nreqs;	561	++nreqs;
361		562
362	LOCK (reqlock);	563	X_LOCK (reqlock);
363	++nready;	564	++nready;
364	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
367		568
368	maybe_start_thread ();	569	maybe_start_thread ();
369		570
370	if (wait_callback)	571	if (wait_callback)
371	{	572	{
372	dSP;	573	dSP;
373	PUSHMARK (SP);	574	PUSHMARK (SP);
374	PUTBACK;	575	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	577	}
378	}	578	}
379		579
380	static void end_thread (void)	580	static void end_thread (void)
381	{	581	{
382	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
383
384	Newz (0, req, 1, aio_cb);
385		583
386	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
388		586
389	LOCK (reqlock);	587	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	588	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	589	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	590	X_UNLOCK (reqlock);
393		591
394	LOCK (wrklock);	592	X_LOCK (wrklock);
395	--started;	593	--started;
396	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
397	}	595	}
398		596
399	static void set_max_idle (int nthreads)	597	static void set_max_idle (int nthreads)
400	{	598	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	599	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	600	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	602	}
405		603
406	static void min_parallel (int nthreads)	604	static void min_parallel (int nthreads)
407	{	605	{
408	if (wanted < nthreads)	606	if (wanted < nthreads)
…		…
416		614
417	while (started > wanted)	615	while (started > wanted)
418	end_thread ();	616	end_thread ();
419	}	617	}
420		618
421	static void poll_wait ()	619	static void poll_wait (void)
422	{	620	{
423	fd_set rfd;
424
425	while (nreqs)	621	while (nreqs)
426	{	622	{
427	int size;	623	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	624	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	625	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		627
432	if (size)	628	if (size)
433	return;	629	return;
434		630
435	maybe_start_thread ();	631	maybe_start_thread ();
436		632
437	FD_ZERO(&rfd);	633	s_epipe_wait (&respipe);
438	FD_SET(respipe [0], &rfd);
439
440	select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	634	}
442	}	635	}
443		636
444	static int poll_cb ()	637	static int poll_cb (void)
445	{	638	{
446	dSP;	639	dSP;
447	int count = 0;	640	int count = 0;
448	int maxreqs = max_poll_reqs;	641	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	642	int do_croak = 0;
450	struct timeval tv_start, tv_now;	643	struct timeval tv_start, tv_now;
451	aio_req req;	644	bdb_req req;
452		645
453	if (max_poll_time)	646	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	647	gettimeofday (&tv_start, 0);
455		648
456	for (;;)	649	for (;;)
457	{	650	{
458	for (;;)	651	for (;;)
459	{	652	{
460	maybe_start_thread ();	653	maybe_start_thread ();
461		654
462	LOCK (reslock);	655	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	656	req = reqq_shift (&res_queue);
464		657
465	if (req)	658	if (req)
466	{	659	{
467	--npending;	660	--npending;
468		661
469	if (!res_queue.size)	662	if (!res_queue.size)
470	{
471	/* read any signals sent by the worker threads */	663	/* read any signals sent by the worker threads */
472	char buf [4];	664	s_epipe_drain (&respipe);
473	while (read (respipe [0], buf, 4) == 4)
474	;
475	}
476	}	665	}
477		666
478	UNLOCK (reslock);	667	X_UNLOCK (reslock);
479		668
480	if (!req)	669	if (!req)
481	break;	670	break;
482		671
483	--nreqs;	672	--nreqs;
…		…
513	}	702	}
514		703
515	return count;	704	return count;
516	}	705	}
517		706
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	/*****************************************************************************/	707	/*****************************************************************************/
531		708
532	static void *aio_proc (void *thr_arg)	709	static void
		710	bdb_request (bdb_req req)
533	{	711	{
		712	switch (req->type)
		713	{
		714	case REQ_ENV_OPEN:
		715	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		716	break;
		717
		718	case REQ_ENV_CLOSE:
		719	req->result = req->env->close (req->env, req->uint1);
		720	break;
		721
		722	case REQ_ENV_TXN_CHECKPOINT:
		723	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		724	break;
		725
		726	case REQ_ENV_LOCK_DETECT:
		727	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		728	break;
		729
		730	case REQ_ENV_MEMP_SYNC:
		731	req->result = req->env->memp_sync (req->env, 0);
		732	break;
		733
		734	case REQ_ENV_MEMP_TRICKLE:
		735	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		736	break;
		737
		738	case REQ_ENV_DBREMOVE:
		739	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		740	break;
		741
		742	case REQ_ENV_DBRENAME:
		743	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		744	break;
		745
		746	case REQ_DB_OPEN:
		747	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		748	break;
		749
		750	case REQ_DB_CLOSE:
		751	req->result = req->db->close (req->db, req->uint1);
		752	break;
		753
		754	#if DB_VERSION_MINOR >= 4
		755	case REQ_DB_COMPACT:
		756	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		757	break;
		758	#endif
		759
		760	case REQ_DB_SYNC:
		761	req->result = req->db->sync (req->db, req->uint1);
		762	break;
		763
		764	case REQ_DB_VERIFY:
		765	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		766	break;
		767
		768	case REQ_DB_UPGRADE:
		769	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		770	break;
		771
		772	case REQ_DB_PUT:
		773	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		774	break;
		775
		776	#if DB_VERSION_MINOR >= 6
		777	case REQ_DB_EXISTS:
		778	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		779	break;
		780	#endif
		781	case REQ_DB_GET:
		782	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		783	break;
		784
		785	case REQ_DB_PGET:
		786	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		787	break;
		788
		789	case REQ_DB_DEL:
		790	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		791	break;
		792
		793	case REQ_DB_KEY_RANGE:
		794	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		795	break;
		796
		797	case REQ_TXN_COMMIT:
		798	req->result = req->txn->commit (req->txn, req->uint1);
		799	break;
		800
		801	case REQ_TXN_ABORT:
		802	req->result = req->txn->abort (req->txn);
		803	break;
		804
		805	case REQ_TXN_FINISH:
		806	if (req->txn->flags & TXN_DEADLOCK)
		807	{
		808	req->result = req->txn->abort (req->txn);
		809	if (!req->result)
		810	req->result = DB_LOCK_DEADLOCK;
		811	}
		812	else
		813	req->result = req->txn->commit (req->txn, req->uint1);
		814	break;
		815
		816	case REQ_C_CLOSE:
		817	req->result = req->dbc->c_close (req->dbc);
		818	break;
		819
		820	case REQ_C_COUNT:
		821	{
		822	db_recno_t recno;
		823	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		824	req->uv1 = recno;
		825	}
		826	break;
		827
		828	case REQ_C_PUT:
		829	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		830	break;
		831
		832	case REQ_C_GET:
		833	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		834	break;
		835
		836	case REQ_C_PGET:
		837	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		838	break;
		839
		840	case REQ_C_DEL:
		841	req->result = req->dbc->c_del (req->dbc, req->uint1);
		842	break;
		843
		844	#if DB_VERSION_MINOR >= 3
		845	case REQ_SEQ_OPEN:
		846	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		847	break;
		848
		849	case REQ_SEQ_CLOSE:
		850	req->result = req->seq->close (req->seq, req->uint1);
		851	break;
		852
		853	case REQ_SEQ_GET:
		854	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		855	break;
		856
		857	case REQ_SEQ_REMOVE:
		858	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		859	break;
		860	#endif
		861
		862	case REQ_ENV_LOG_ARCHIVE:
		863	{
		864	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		865	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		866	req->buf1 = (char *)listp;
		867	}
		868	break;
		869
		870	default:
		871	req->result = ENOSYS;
		872	break;
		873	}
		874
		875	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		876	req->txn->flags |= TXN_DEADLOCK;
		877	}
		878
		879	X_THREAD_PROC (bdb_proc)
		880	{
534	aio_req req;	881	bdb_req req;
535	struct timespec ts;	882	struct timespec ts;
536	worker *self = (worker *)thr_arg;	883	worker *self = (worker *)thr_arg;
537		884
538	/* try to distribute timeouts somewhat evenly */	885	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	886	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		887
542	for (;;)	888	for (;;)
543	{	889	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	890	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		891
546	LOCK (reqlock);	892	X_LOCK (reqlock);
547		893
548	for (;;)	894	for (;;)
549	{	895	{
550	self->req = req = reqq_shift (&req_queue);	896	self->req = req = reqq_shift (&req_queue);
551		897
552	if (req)	898	if (req)
553	break;	899	break;
554		900
555	++idle;	901	++idle;
556		902
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	903	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	904	== ETIMEDOUT)
559	{	905	{
560	if (idle > max_idle)	906	if (idle > max_idle)
561	{	907	{
562	--idle;	908	--idle;
563	UNLOCK (reqlock);	909	X_UNLOCK (reqlock);
564	LOCK (wrklock);	910	X_LOCK (wrklock);
565	--started;	911	--started;
566	UNLOCK (wrklock);	912	X_UNLOCK (wrklock);
567	goto quit;	913	goto quit;
568	}	914	}
569		915
570	/* we are allowed to idle, so do so without any timeout */	916	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	917	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	918	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	919	}
574		920
575	--idle;	921	--idle;
576	}	922	}
577		923
578	--nready;	924	--nready;
579		925
580	UNLOCK (reqlock);	926	X_UNLOCK (reqlock);
581		927
582	switch (req->type)	928	if (req->type == REQ_QUIT)
583	{	929	{
584	case REQ_QUIT:	930	X_LOCK (reslock);
		931	free (req);
		932	self->req = 0;
		933	X_UNLOCK (reslock);
		934
585	goto quit;	935	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	}	936	}
619		937
		938	bdb_request (req);
		939
620	LOCK (reslock);	940	X_LOCK (reslock);
621		941
622	++npending;	942	++npending;
623		943
624	if (!reqq_push (&res_queue, req))	944	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	945	s_epipe_signal (&respipe);
626	write (respipe [1], &respipe, 1);
627		946
628	self->req = 0;	947	self->req = 0;
629	worker_clear (self);	948	worker_clear (self);
630		949
631	UNLOCK (reslock);	950	X_UNLOCK (reslock);
632	}	951	}
633		952
634	quit:	953	quit:
635	LOCK (wrklock);	954	X_LOCK (wrklock);
636	worker_free (self);	955	worker_free (self);
637	UNLOCK (wrklock);	956	X_UNLOCK (wrklock);
638		957
639	return 0;	958	return 0;
640	}	959	}
641		960
642	/*****************************************************************************/	961	/*****************************************************************************/
643		962
644	static void atfork_prepare (void)	963	static void atfork_prepare (void)
645	{	964	{
646	LOCK (wrklock);	965	X_LOCK (wrklock);
647	LOCK (reqlock);	966	X_LOCK (reqlock);
648	LOCK (reslock);	967	X_LOCK (reslock);
649	}	968	}
650		969
651	static void atfork_parent (void)	970	static void atfork_parent (void)
652	{	971	{
653	UNLOCK (reslock);	972	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	973	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	974	X_UNLOCK (wrklock);
656	}	975	}
657		976
658	static void atfork_child (void)	977	static void atfork_child (void)
659	{	978	{
660	aio_req prv;	979	bdb_req prv;
661		980
662	while (prv = reqq_shift (&req_queue))	981	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	982	req_free (prv);
664		983
665	while (prv = reqq_shift (&res_queue))	984	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	999	idle = 0;
681	nreqs = 0;	1000	nreqs = 0;
682	nready = 0;	1001	nready = 0;
683	npending = 0;	1002	npending = 0;
684		1003
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	1004	create_respipe ();
688		1005
689	atfork_parent ();	1006	atfork_parent ();
690	}	1007	}
691		1008
692	#define dREQ(reqtype) \	1009	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	1010	bdb_req req; \
694	int req_pri = next_pri; \	1011	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1012	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1013	\
697	if (SvOK (callback) && !SvROK (callback)) \	1014	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1015	croak ("callback has illegal type or extra arguments"); \
699	\	1016	\
700	Newz (0, req, 1, aio_cb); \	1017	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1018	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1019	croak ("out of memory during bdb_req allocation"); \
703	\	1020	\
704	req->callback = newSVsv (callback); \	1021	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1022	req->type = (reqtype); \
706	req->pri = req_pri	1023	req->pri = req_pri; \
		1024	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1025	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1026	(void)0;
707		1027
708	#define REQ_SEND \	1028	#define REQ_SEND \
709	req_send (req)	1029	req_send (req)
710		1030
711	#define SvPTR(var, arg, type, class) \	1031	#define SvPTR(var, arg, type, stash, class, nullok) \
712	if (!SvOK (arg)) \	1032	if (!SvOK (arg)) \
		1033	{ \
		1034	if (nullok != 1) \
		1035	croak (# var " must be a " # class " object, not undef"); \
		1036	\
713	(var) = 0; \	1037	(var) = 0; \
714	else if (sv_derived_from ((arg), # class)) \	1038	} \
		1039	else if (SvSTASH (SvRV (arg)) == stash || sv_derived_from ((arg), # class)) \
715	{ \	1040	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1041	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1042	(var) = INT2PTR (type, tmp); \
		1043	if (!var && nullok != 2) \
		1044	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1045	} \
719	else \	1046	else \
720	Perl_croak (# var " is not of type " # class)	1047	croak (# var " is not of type " # class);
721		1048
722	inline void	1049	#define ARG_MUTABLE(name) \
723	set_dbt (DBT *dbt, SV *sv)	1050	if (SvREADONLY (name)) \
724	{	1051	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		1052
728	dbt->data = malloc (len);	1053	static SV *
729	memcpy (dbt->data, data, len);	1054	newSVptr (void *ptr, HV *stash)
730	dbt->size = len;	1055	{
		1056	SV *rv = NEWSV (0, 0);
		1057	sv_upgrade (rv, SVt_PVMG);
		1058	sv_setiv (rv, PTR2IV (ptr));
		1059
		1060	return sv_bless (newRV_noinc (rv), stash);
731	}	1061	}
732		1062
		1063	static void
		1064	ptr_nuke (SV *sv)
		1065	{
		1066	assert (SvROK (sv));
		1067	sv_setiv (SvRV (sv), 0);
		1068	}
		1069
		1070	static int
		1071	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1072	{
		1073	if (*mg->mg_ptr == '!') // should always be the case
		1074	if (-30999 <= errno && errno <= -30800)
		1075	{
		1076	sv_setnv (sv, (NV)errno);
		1077	sv_setpv (sv, db_strerror (errno));
		1078	SvNOK_on (sv); /* what a wonderful hack! */
		1079	// ^^^ copied from perl sources
		1080	return 0;
		1081	}
		1082
		1083	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1084	}
		1085
		1086	static MGVTBL vtbl_errno;
		1087
		1088	// this wonderful hack :( patches perl's $! variable to support our errno values
		1089	static void
		1090	patch_errno (void)
		1091	{
		1092	SV *sv;
		1093	MAGIC *mg;
		1094
		1095	if (!(sv = get_sv ("!", 1)))
		1096	return;
		1097
		1098	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1099	return;
		1100
		1101	if (mg->mg_virtual != &PL_vtbl_sv)
		1102	return;
		1103
		1104	vtbl_errno = PL_vtbl_sv;
		1105	vtbl_errno.svt_get = errno_get;
		1106	mg->mg_virtual = &vtbl_errno;
		1107	}
		1108
		1109	#if __GNUC__ >= 4
		1110	# define noinline __attribute__ ((noinline))
		1111	#else
		1112	# define noinline
		1113	#endif
		1114
		1115	static noinline SV *
		1116	pop_callback (I32 *ritems, SV *sv)
		1117	{
		1118	if (SvROK (sv))
		1119	{
		1120	HV *st;
		1121	GV *gvp;
		1122	CV *cv;
		1123	const char *name;
		1124
		1125	/* forgive me */
		1126	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1127	&& (st = SvSTASH (SvRV (sv)))
		1128	&& (name = HvNAME_get (st))
		1129	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1130	return 0;
		1131
		1132	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1133	{
		1134	--*ritems;
		1135	return (SV *)cv;
		1136	}
		1137	}
		1138
		1139	return 0;
		1140	}
		1141
		1142	/*****************************************************************************/
		1143
		1144	#if 0
		1145	static int
		1146	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1151	size1 <= size2 ? size1 : size2);
		1152
		1153	if (res)
		1154	return res;
		1155	else if (size1 - size2)
		1156	return size1 - size2;
		1157	else
		1158	return 0;
		1159	}
		1160
		1161	static size_t
		1162	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1163	{
		1164	ssize_t size1 = dbt1->size;
		1165	ssize_t size2 = dbt2->size;
		1166	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1167	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1168	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1169
		1170	while (p1 < pe)
		1171	if (*p1++ != *p2++)
		1172	return p1 - (u_int8_t *)dbt1->data - 1;
		1173
		1174	if (size1 < size2) return size1 + 1;
		1175	if (size1 > size2) return size2 + 1;
		1176
		1177	return size1;
		1178	}
		1179	#endif
		1180
		1181	/*****************************************************************************/
		1182
		1183	/* stupid windows defines CALLBACK as well */
		1184	#undef CALLBACK
		1185	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1186
733	MODULE = BDB PACKAGE = BDB	1187	MODULE = BDB PACKAGE = BDB
734		1188
735	PROTOTYPES: ENABLE	1189	PROTOTYPES: ENABLE
736		1190
737	BOOT:	1191	BOOT:
738	{	1192	{
739	HV *stash = gv_stashpv ("BDB", 1);
740
741	static const struct {	1193	static const struct {
742	const char *name;	1194	const char *name;
743	IV iv;	1195	IV iv;
744	} *civ, const_iv[] = {	1196	} *civ, const_iv[] = {
745	#define const_iv(name) { # name, (IV)DB_ ## name },	1197	#define const_iv(name) { # name, (IV)DB_ ## name },
…		…
752	const_iv (INIT_TXN)	1204	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1205	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1206	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1207	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1208	const_iv (CREATE)
		1209	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1210	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1211	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1212	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1213	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1214	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1215	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1216	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1217	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)	1218	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1219	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1220	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1221	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1222	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1223	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1224	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1225	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1226	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1227	const_iv (TXN_WRITE_NOSYNC)
		1228	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1229	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1230	const_iv (ENCRYPT_AES)
		1231	#if DB_VERSION_MINOR < 8
784	const_iv (XA_CREATE)	1232	const_iv (XA_CREATE)
		1233	#endif
785	const_iv (BTREE)	1234	const_iv (BTREE)
786	const_iv (HASH)	1235	const_iv (HASH)
787	const_iv (QUEUE)	1236	const_iv (QUEUE)
788	const_iv (RECNO)	1237	const_iv (RECNO)
789	const_iv (UNKNOWN)	1238	const_iv (UNKNOWN)
790	const_iv (EXCL)	1239	const_iv (EXCL)
791	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	1240	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	1241	const_iv (NOSYNC)
794	const_iv (CHKSUM)	1242	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	1243	const_iv (ENCRYPT)
796	const_iv (TXN_NOT_DURABLE)
797	const_iv (DUP)	1244	const_iv (DUP)
798	const_iv (DUPSORT)	1245	const_iv (DUPSORT)
799	const_iv (RECNUM)	1246	//const_iv (RECNUM)
800	const_iv (RENUMBER)	1247	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	1248	const_iv (REVSPLITOFF)
802	const_iv (INORDER)
803	const_iv (CONSUME)	1249	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	1250	const_iv (CONSUME_WAIT)
		1251	const_iv (GET_BOTH)
		1252	const_iv (GET_BOTH_RANGE)
		1253	//const_iv (SET_RECNO)
		1254	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	1255	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	1256	const_iv (JOIN_ITEM)
		1257	const_iv (JOIN_NOSORT)
807	const_iv (RMW)	1258	const_iv (RMW)
808		1259
809	const_iv (NOTFOUND)	1260	const_iv (NOTFOUND)
810	const_iv (KEYEMPTY)	1261	const_iv (KEYEMPTY)
811	const_iv (LOCK_DEADLOCK)	1262	const_iv (LOCK_DEADLOCK)
812	const_iv (LOCK_NOTGRANTED)	1263	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	1264	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	1265	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	1266	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	1267	const_iv (SECONDARY_BAD)
817
818	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)
820		1268
821	const_iv (APPEND)	1269	const_iv (APPEND)
822	const_iv (NODUPDATA)	1270	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1271	const_iv (NOOVERWRITE)
824		1272
		1273	const_iv (TXN_NOWAIT)
		1274	const_iv (TXN_SYNC)
		1275
825	const_iv (SET_LOCK_TIMEOUT)	1276	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1277	const_iv (SET_TXN_TIMEOUT)
		1278
		1279	const_iv (FIRST)
		1280	const_iv (NEXT)
		1281	const_iv (NEXT_DUP)
		1282	const_iv (NEXT_NODUP)
		1283	const_iv (PREV)
		1284	const_iv (PREV_NODUP)
		1285	const_iv (SET)
		1286	const_iv (SET_RANGE)
		1287	const_iv (LAST)
		1288	const_iv (BEFORE)
		1289	const_iv (AFTER)
		1290	const_iv (CURRENT)
		1291	const_iv (KEYFIRST)
		1292	const_iv (KEYLAST)
		1293	const_iv (NODUPDATA)
		1294
		1295	const_iv (FORCE)
		1296
		1297	const_iv (LOCK_DEFAULT)
		1298	const_iv (LOCK_EXPIRE)
		1299	const_iv (LOCK_MAXLOCKS)
		1300	const_iv (LOCK_MINLOCKS)
		1301	const_iv (LOCK_MINWRITE)
		1302	const_iv (LOCK_OLDEST)
		1303	const_iv (LOCK_RANDOM)
		1304	const_iv (LOCK_YOUNGEST)
		1305
		1306	const_iv (DONOTINDEX)
		1307	const_iv (KEYEMPTY)
		1308	const_iv (KEYEXIST)
		1309	const_iv (LOCK_DEADLOCK)
		1310	const_iv (LOCK_NOTGRANTED)
		1311	const_iv (NOSERVER)
		1312	const_iv (NOSERVER_HOME)
		1313	const_iv (NOSERVER_ID)
		1314	const_iv (NOTFOUND)
		1315	const_iv (PAGE_NOTFOUND)
		1316	const_iv (REP_DUPMASTER)
		1317	const_iv (REP_HANDLE_DEAD)
		1318	const_iv (REP_HOLDELECTION)
		1319	const_iv (REP_ISPERM)
		1320	const_iv (REP_NEWMASTER)
		1321	const_iv (REP_NEWSITE)
		1322	const_iv (REP_NOTPERM)
		1323	const_iv (REP_UNAVAIL)
		1324	const_iv (RUNRECOVERY)
		1325	const_iv (SECONDARY_BAD)
		1326	const_iv (VERIFY_BAD)
		1327
		1328	const_iv (SALVAGE)
		1329	const_iv (AGGRESSIVE)
		1330	const_iv (PRINTABLE)
		1331	const_iv (NOORDERCHK)
		1332	const_iv (ORDERCHKONLY)
		1333
		1334	const_iv (ARCH_ABS)
		1335	const_iv (ARCH_DATA)
		1336	const_iv (ARCH_LOG)
		1337	const_iv (ARCH_REMOVE)
		1338
		1339	const_iv (VERB_DEADLOCK)
		1340	const_iv (VERB_RECOVERY)
		1341	const_iv (VERB_REPLICATION)
		1342	const_iv (VERB_WAITSFOR)
		1343
		1344	const_iv (VERSION_MAJOR)
		1345	const_iv (VERSION_MINOR)
		1346	const_iv (VERSION_PATCH)
		1347	const_iv (LOGVERSION)
		1348	const_iv (LOGOLDVER)
		1349	#if DB_VERSION_MINOR >= 3
		1350	const_iv (INORDER)
		1351	const_iv (LOCK_MAXWRITE)
		1352	const_iv (SEQ_DEC)
		1353	const_iv (SEQ_INC)
		1354	const_iv (SEQ_WRAP)
		1355	const_iv (BUFFER_SMALL)
		1356	const_iv (LOG_BUFFER_FULL)
		1357	const_iv (VERSION_MISMATCH)
		1358	#endif
		1359	#if DB_VERSION_MINOR >= 4
		1360	const_iv (REGISTER)
		1361	const_iv (DSYNC_DB)
		1362	const_iv (READ_COMMITTED)
		1363	const_iv (READ_UNCOMMITTED)
		1364	const_iv (REP_IGNORE)
		1365	const_iv (REP_LOCKOUT)
		1366	const_iv (REP_JOIN_FAILURE)
		1367	const_iv (FREE_SPACE)
		1368	const_iv (FREELIST_ONLY)
		1369	const_iv (VERB_REGISTER)
		1370	#endif
		1371	#if DB_VERSION_MINOR >= 5
		1372	const_iv (MULTIVERSION)
		1373	const_iv (TXN_SNAPSHOT)
		1374	#endif
		1375	#if DB_VERSION_MINOR >= 6
		1376	const_iv (PREV_DUP)
		1377	const_iv (PRIORITY_UNCHANGED)
		1378	const_iv (PRIORITY_VERY_LOW)
		1379	const_iv (PRIORITY_LOW)
		1380	const_iv (PRIORITY_DEFAULT)
		1381	const_iv (PRIORITY_HIGH)
		1382	const_iv (PRIORITY_VERY_HIGH)
		1383	const_iv (IGNORE_LEASE)
		1384	#endif
		1385	#if DB_VERSION_MINOR >= 7
		1386	//const_iv (MULTIPLE_KEY)
		1387	const_iv (LOG_DIRECT)
		1388	const_iv (LOG_DSYNC)
		1389	const_iv (LOG_AUTO_REMOVE)
		1390	const_iv (LOG_IN_MEMORY)
		1391	const_iv (LOG_ZERO)
		1392	#else
		1393	const_iv (DIRECT_LOG)
		1394	const_iv (LOG_AUTOREMOVE)
		1395	# if DB_VERSION_MINOR >= 3
		1396	const_iv (DSYNC_LOG)
		1397	const_iv (LOG_INMEMORY)
		1398	# endif
		1399	#if DB_VERSION_MINOR >= 8
		1400	const_iv (LOGVERSION_LATCHING)
		1401	#endif
		1402	#endif
827	};	1403	};
828		1404
		1405	bdb_stash = gv_stashpv ("BDB" , 1);
		1406	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1407	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1408	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1409	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1410	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1411
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1412	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1413	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
831		1414
832	create_pipe ();	1415	prepare_cb = &PL_sv_undef;
		1416
		1417	{
		1418	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1419	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1420
		1421	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1422	}
		1423
		1424	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1425
		1426	create_respipe ();
		1427
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1428	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1429	patch_errno ();
834	}	1430	}
835		1431
836	void	1432	void
837	max_poll_reqs (int nreqs)	1433	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1434	PROTOTYPE: $
…		…
911		1507
912	int	1508	int
913	poll_fileno ()	1509	poll_fileno ()
914	PROTOTYPE:	1510	PROTOTYPE:
915	CODE:	1511	CODE:
916	RETVAL = respipe [0];	1512	RETVAL = s_epipe_fd (&respipe);
917	OUTPUT:	1513	OUTPUT:
918	RETVAL	1514	RETVAL
919		1515
920	int	1516	int
921	poll_cb (...)	1517	poll_cb (...)
…		…
957		1553
958	int	1554	int
959	nthreads ()	1555	nthreads ()
960	PROTOTYPE:	1556	PROTOTYPE:
961	CODE:	1557	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1558	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1559	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1560	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1561	OUTPUT:
966	RETVAL	1562	RETVAL
967		1563
968	void	1564	SV *
969	set_sync_prepare (SV *cb)	1565	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1566	PROTOTYPE: &
971	CODE:	1567	CODE:
972	SvREFCNT_dec (prepare_cb);	1568	RETVAL = prepare_cb;
973	prepare_cb = newSVsv (cb);	1569	prepare_cb = newSVsv (cb);
		1570	OUTPUT:
		1571	RETVAL
		1572
		1573	char *
		1574	strerror (int errorno = errno)
		1575	PROTOTYPE: ;$
		1576	CODE:
		1577	RETVAL = db_strerror (errorno);
		1578	OUTPUT:
		1579	RETVAL
		1580
		1581	void _on_next_submit (SV *cb)
		1582	CODE:
		1583	SvREFCNT_dec (on_next_submit);
		1584	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
974		1585
975	DB_ENV *	1586	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1587	db_env_create (U32 env_flags = 0)
977	CODE:	1588	CODE:
978	{	1589	{
979	errno = db_env_create (&RETVAL, env_flags);	1590	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1591	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1592	croak ("db_env_create: %s", db_strerror (errno));
		1593
		1594	if (0)
		1595	{
		1596	RETVAL->set_errcall (RETVAL, debug_errcall);
		1597	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1598	}
982	}	1599	}
983	OUTPUT:	1600	OUTPUT:
984	RETVAL	1601	RETVAL
985		1602
986	void	1603	void
987	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1604	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1605	PREINIT:
		1606	CALLBACK
988	CODE:	1607	CODE:
989	{	1608	{
990	dREQ (REQ_ENV_OPEN);	1609	dREQ (REQ_ENV_OPEN, 1);
991	req->env = env;	1610	req->env = env;
992	req->uint1 = open_flags | DB_THREAD;	1611	req->uint1 = open_flags | DB_THREAD;
993	req->int1 = mode;	1612	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1613	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1614	REQ_SEND;
996	}	1615	}
997		1616
998	void	1617	void
999	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1618	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1619	PREINIT:
		1620	CALLBACK
1000	CODE:	1621	CODE:
1001	{	1622	{
1002	dREQ (REQ_ENV_CLOSE);	1623	dREQ (REQ_ENV_CLOSE, 0);
		1624	ptr_nuke (ST (0));
1003	req->env = env;	1625	req->env = env;
1004	req->uint1 = flags;	1626	req->uint1 = flags;
1005	REQ_SEND;	1627	REQ_SEND;
1006	}	1628	}
1007		1629
		1630	void
		1631	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1632	PREINIT:
		1633	CALLBACK
		1634	CODE:
		1635	{
		1636	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1637	req->env = env;
		1638	req->uint1 = kbyte;
		1639	req->int1 = min;
		1640	req->uint2 = flags;
		1641	REQ_SEND;
		1642	}
		1643
		1644	void
		1645	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1646	PREINIT:
		1647	CALLBACK
		1648	CODE:
		1649	{
		1650	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1651	req->env = env;
		1652	req->uint1 = flags;
		1653	req->uint2 = atype;
		1654	/* req->int2 = 0; dummy */
		1655	REQ_SEND;
		1656	}
		1657
		1658	void
		1659	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1660	PREINIT:
		1661	CALLBACK
		1662	CODE:
		1663	{
		1664	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1665	req->env = env;
		1666	REQ_SEND;
		1667	}
		1668
		1669	void
		1670	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1671	PREINIT:
		1672	CALLBACK
		1673	CODE:
		1674	{
		1675	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1676	req->env = env;
		1677	req->int1 = percent;
		1678	REQ_SEND;
		1679	}
		1680
		1681	void
		1682	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1683	PREINIT:
		1684	CALLBACK
		1685	CODE:
		1686	{
		1687	dREQ (REQ_ENV_DBREMOVE, 2);
		1688	req->env = env;
		1689	req->buf1 = strdup_ornull (file);
		1690	req->buf2 = strdup_ornull (database);
		1691	req->uint1 = flags;
		1692	REQ_SEND;
		1693	}
		1694
		1695	void
		1696	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)
		1697	PREINIT:
		1698	CALLBACK
		1699	CODE:
		1700	{
		1701	dREQ (REQ_ENV_DBRENAME, 2);
		1702	req->env = env;
		1703	req->buf1 = strdup_ornull (file);
		1704	req->buf2 = strdup_ornull (database);
		1705	req->buf3 = strdup_ornull (newname);
		1706	req->uint1 = flags;
		1707	REQ_SEND;
		1708	}
		1709
		1710	void
		1711	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1712	PREINIT:
		1713	CALLBACK
		1714	CODE:
		1715	{
		1716	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1717	req->sv1 = SvREFCNT_inc (listp);
		1718	req->env = env;
		1719	req->uint1 = flags;
		1720	REQ_SEND;
		1721	}
		1722
1008	DB *	1723	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1724	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1725	CODE:
1011	{	1726	{
1012	errno = db_create (&RETVAL, env, flags);	1727	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1728	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1729	croak ("db_create: %s", db_strerror (errno));
		1730
		1731	if (RETVAL)
		1732	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1733	}
1016	OUTPUT:	1734	OUTPUT:
1017	RETVAL	1735	RETVAL
1018		1736
1019	void	1737	void
1020	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1738	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1739	PREINIT:
		1740	CALLBACK
1021	CODE:	1741	CODE:
1022	{	1742	{
1023	dREQ (REQ_DB_OPEN);	1743	dREQ (REQ_DB_OPEN, 2);
1024	req->db = db;	1744	req->db = db;
1025	req->txn = txnid;	1745	req->txn = txnid;
1026	req->buf1 = strdup_ornull (file);	1746	req->buf1 = strdup_ornull (file);
1027	req->buf2 = strdup_ornull (database);	1747	req->buf2 = strdup_ornull (database);
1028	req->int1 = type;	1748	req->int1 = type;
…		…
1030	req->int2 = mode;	1750	req->int2 = mode;
1031	REQ_SEND;	1751	REQ_SEND;
1032	}	1752	}
1033		1753
1034	void	1754	void
1035	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1755	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1756	PREINIT:
		1757	CALLBACK
1036	CODE:	1758	CODE:
1037	{	1759	{
1038	dREQ (REQ_DB_CLOSE);	1760	dREQ (REQ_DB_CLOSE, 0);
		1761	ptr_nuke (ST (0));
1039	req->db = db;	1762	req->db = db;
1040	req->uint1 = flags;	1763	req->uint1 = flags;
		1764	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1765	REQ_SEND;
1042	}	1766	}
1043		1767
		1768	#if DB_VERSION_MINOR >= 4
		1769
1044	void	1770	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)	1771	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)
		1772	PREINIT:
		1773	CALLBACK
1046	CODE:	1774	CODE:
1047	{	1775	{
1048	dREQ (REQ_DB_COMPACT);	1776	dREQ (REQ_DB_COMPACT, 2);
1049	req->db = db;	1777	req->db = db;
1050	req->txn = txn;	1778	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1779	if (start) sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1780	if (stop ) sv_to_dbt (&req->dbt2, stop );
1053	req->uint1 = flags;	1781	req->uint1 = flags;
1054	REQ_SEND;	1782	REQ_SEND;
1055	}	1783	}
1056		1784
		1785	#endif
		1786
1057	void	1787	void
1058	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1788	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1789	PREINIT:
		1790	CALLBACK
1059	CODE:	1791	CODE:
1060	{	1792	{
1061	dREQ (REQ_DB_SYNC);	1793	dREQ (REQ_DB_SYNC, 1);
1062	req->db = db;	1794	req->db = db;
1063	req->uint1 = flags;	1795	req->uint1 = flags;
1064	REQ_SEND;	1796	REQ_SEND;
1065	}	1797	}
1066		1798
1067	void	1799	void
1068	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1800	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1801	PREINIT:
		1802	CALLBACK
1069	CODE:	1803	CODE:
1070	{	1804	{
1071	dREQ (REQ_DB_PUT);	1805	dREQ (REQ_DB_VERIFY, 1);
		1806	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1072	req->db = db;	1807	req->db = db;
1073	req->txn = 0;	1808	req->buf1 = strdup (file);
1074	set_dbt (&req->dbt1, key);	1809	req->buf2 = strdup_ornull (database);
1075	set_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1810	req->uint1 = flags;
1077	REQ_SEND;	1811	REQ_SEND;
1078	}	1812	}
1079		1813
		1814	void
		1815	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1816	PREINIT:
		1817	CALLBACK
		1818	CODE:
		1819	{
		1820	dREQ (REQ_DB_UPGRADE, 1);
		1821	req->db = db;
		1822	req->buf1 = strdup (file);
		1823	req->uint1 = flags;
		1824	REQ_SEND;
		1825	}
		1826
		1827	void
		1828	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
		1831	CODE:
		1832	{
		1833	dREQ (REQ_DB_KEY_RANGE, 2);
		1834	req->db = db;
		1835	req->txn = txn;
		1836	sv_to_dbt (&req->dbt1, key);
		1837	req->uint1 = flags;
		1838	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1839	REQ_SEND;
		1840	}
		1841
		1842	void
		1843	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1844	PREINIT:
		1845	CALLBACK
		1846	CODE:
		1847	{
		1848	dREQ (REQ_DB_PUT, 2);
		1849	req->db = db;
		1850	req->txn = txn;
		1851	sv_to_dbt (&req->dbt1, key);
		1852	sv_to_dbt (&req->dbt2, data);
		1853	req->uint1 = flags;
		1854	REQ_SEND;
		1855	}
		1856
		1857	#if DB_VERSION_MINOR >= 6
		1858
		1859	void
		1860	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1861	PREINIT:
		1862	CALLBACK
		1863	CODE:
		1864	{
		1865	dREQ (REQ_DB_EXISTS, 2);
		1866	req->db = db;
		1867	req->txn = txn;
		1868	req->uint1 = flags;
		1869	sv_to_dbt (&req->dbt1, key);
		1870	REQ_SEND;
		1871	}
		1872
		1873	#endif
		1874
		1875	void
		1876	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1877	PREINIT:
		1878	CALLBACK
		1879	CODE:
		1880	{
		1881	//TODO: key is somtimesmutable
		1882	dREQ (REQ_DB_GET, 2);
		1883	req->db = db;
		1884	req->txn = txn;
		1885	req->uint1 = flags;
		1886	sv_to_dbt (&req->dbt1, key);
		1887	req->dbt3.flags = DB_DBT_MALLOC;
		1888	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1889	REQ_SEND;
		1890	}
		1891
		1892	void
		1893	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1894	PREINIT:
		1895	CALLBACK
		1896	CODE:
		1897	{
		1898	//TODO: key is somtimesmutable
		1899	dREQ (REQ_DB_PGET, 2);
		1900	req->db = db;
		1901	req->txn = txn;
		1902	req->uint1 = flags;
		1903
		1904	sv_to_dbt (&req->dbt1, key);
		1905
		1906	req->dbt2.flags = DB_DBT_MALLOC;
		1907	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1908
		1909	req->dbt3.flags = DB_DBT_MALLOC;
		1910	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1911	REQ_SEND;
		1912	}
		1913
		1914	void
		1915	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1916	PREINIT:
		1917	CALLBACK
		1918	CODE:
		1919	{
		1920	dREQ (REQ_DB_DEL, 2);
		1921	req->db = db;
		1922	req->txn = txn;
		1923	req->uint1 = flags;
		1924	sv_to_dbt (&req->dbt1, key);
		1925	REQ_SEND;
		1926	}
		1927
		1928	void
		1929	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1930	PREINIT:
		1931	CALLBACK
		1932	CODE:
		1933	{
		1934	dREQ (REQ_TXN_COMMIT, 0);
		1935	ptr_nuke (ST (0));
		1936	req->txn = txn;
		1937	req->uint1 = flags;
		1938	REQ_SEND;
		1939	}
		1940
		1941	void
		1942	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1943	PREINIT:
		1944	CALLBACK
		1945	CODE:
		1946	{
		1947	dREQ (REQ_TXN_ABORT, 0);
		1948	ptr_nuke (ST (0));
		1949	req->txn = txn;
		1950	REQ_SEND;
		1951	}
		1952
		1953	void
		1954	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1955	PREINIT:
		1956	CALLBACK
		1957	CODE:
		1958	{
		1959	dREQ (REQ_TXN_FINISH, 0);
		1960	ptr_nuke (ST (0));
		1961	req->txn = txn;
		1962	req->uint1 = flags;
		1963	REQ_SEND;
		1964	}
		1965
		1966	void
		1967	db_c_close (DBC *dbc, SV *callback = 0)
		1968	PREINIT:
		1969	CALLBACK
		1970	CODE:
		1971	{
		1972	dREQ (REQ_C_CLOSE, 0);
		1973	ptr_nuke (ST (0));
		1974	req->dbc = dbc;
		1975	REQ_SEND;
		1976	}
		1977
		1978	void
		1979	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1980	PREINIT:
		1981	CALLBACK
		1982	CODE:
		1983	{
		1984	dREQ (REQ_C_COUNT, 1);
		1985	req->dbc = dbc;
		1986	req->sv1 = SvREFCNT_inc (count);
		1987	REQ_SEND;
		1988	}
		1989
		1990	void
		1991	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1992	PREINIT:
		1993	CALLBACK
		1994	CODE:
		1995	{
		1996	dREQ (REQ_C_PUT, 1);
		1997	req->dbc = dbc;
		1998	sv_to_dbt (&req->dbt1, key);
		1999	sv_to_dbt (&req->dbt2, data);
		2000	req->uint1 = flags;
		2001	REQ_SEND;
		2002	}
		2003
		2004	void
		2005	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2006	PREINIT:
		2007	CALLBACK
		2008	CODE:
		2009	{
		2010	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2011	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2012	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2013	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2014	"key",
		2015	"BDB::db_c_get");
		2016
		2017	{
		2018	dREQ (REQ_C_GET, 1);
		2019	req->dbc = dbc;
		2020	req->uint1 = flags;
		2021	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2022	sv_to_dbt (&req->dbt1, key);
		2023	else
		2024	{
		2025	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2026	sv_to_dbt (&req->dbt1, key);
		2027	else
		2028	req->dbt1.flags = DB_DBT_MALLOC;
		2029
		2030	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2031	}
		2032
		2033	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2034	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2035	sv_to_dbt (&req->dbt3, data);
		2036	else
		2037	req->dbt3.flags = DB_DBT_MALLOC;
		2038
		2039	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2040	REQ_SEND;
		2041	}
		2042	}
		2043
		2044	void
		2045	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2046	PREINIT:
		2047	CALLBACK
		2048	CODE:
		2049	{
		2050	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2051	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2052	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2053	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2054	"key",
		2055	"BDB::db_c_pget");
		2056
		2057	{
		2058	dREQ (REQ_C_PGET, 1);
		2059	req->dbc = dbc;
		2060	req->uint1 = flags;
		2061	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2062	sv_to_dbt (&req->dbt1, key);
		2063	else
		2064	{
		2065	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2066	sv_to_dbt (&req->dbt1, key);
		2067	else
		2068	req->dbt1.flags = DB_DBT_MALLOC;
		2069
		2070	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2071	}
		2072
		2073	req->dbt2.flags = DB_DBT_MALLOC;
		2074	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2075
		2076	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2077	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2078	sv_to_dbt (&req->dbt3, data);
		2079	else
		2080	req->dbt3.flags = DB_DBT_MALLOC;
		2081
		2082	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2083	REQ_SEND;
		2084	}
		2085	}
		2086
		2087	void
		2088	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2089	PREINIT:
		2090	CALLBACK
		2091	CODE:
		2092	{
		2093	dREQ (REQ_C_DEL, 1);
		2094	req->dbc = dbc;
		2095	req->uint1 = flags;
		2096	REQ_SEND;
		2097	}
		2098
		2099
		2100	#if DB_VERSION_MINOR >= 3
		2101
		2102	void
		2103	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2104	PREINIT:
		2105	CALLBACK
		2106	CODE:
		2107	{
		2108	dREQ (REQ_SEQ_OPEN, 2);
		2109	req->seq = seq;
		2110	req->txn = txnid;
		2111	req->uint1 = flags | DB_THREAD;
		2112	sv_to_dbt (&req->dbt1, key);
		2113	REQ_SEND;
		2114	}
		2115
		2116	void
		2117	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2118	PREINIT:
		2119	CALLBACK
		2120	CODE:
		2121	{
		2122	dREQ (REQ_SEQ_CLOSE, 0);
		2123	ptr_nuke (ST (0));
		2124	req->seq = seq;
		2125	req->uint1 = flags;
		2126	REQ_SEND;
		2127	}
		2128
		2129	void
		2130	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2131	PREINIT:
		2132	CALLBACK
		2133	CODE:
		2134	{
		2135	dREQ (REQ_SEQ_GET, 2);
		2136	req->seq = seq;
		2137	req->txn = txnid;
		2138	req->int1 = delta;
		2139	req->uint1 = flags;
		2140	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2141	REQ_SEND;
		2142	}
		2143
		2144	void
		2145	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2146	PREINIT:
		2147	CALLBACK
		2148	CODE:
		2149	{
		2150	dREQ (REQ_SEQ_REMOVE, 2);
		2151	req->seq = seq;
		2152	req->txn = txnid;
		2153	req->uint1 = flags;
		2154	REQ_SEND;
		2155	}
		2156
		2157	#endif
		2158
1080		2159
1081	MODULE = BDB PACKAGE = BDB::Env	2160	MODULE = BDB PACKAGE = BDB::Env
1082		2161
		2162	void
		2163	DESTROY (DB_ENV_ornuked *env)
		2164	CODE:
		2165	if (env)
		2166	env->close (env, 0);
		2167
		2168	int set_data_dir (DB_ENV *env, const char *dir)
		2169	CODE:
		2170	RETVAL = env->set_data_dir (env, dir);
		2171	OUTPUT:
		2172	RETVAL
		2173
		2174	int set_tmp_dir (DB_ENV *env, const char *dir)
		2175	CODE:
		2176	RETVAL = env->set_tmp_dir (env, dir);
		2177	OUTPUT:
		2178	RETVAL
		2179
		2180	int set_lg_dir (DB_ENV *env, const char *dir)
		2181	CODE:
		2182	RETVAL = env->set_lg_dir (env, dir);
		2183	OUTPUT:
		2184	RETVAL
		2185
		2186	int set_shm_key (DB_ENV *env, long shm_key)
		2187	CODE:
		2188	RETVAL = env->set_shm_key (env, shm_key);
		2189	OUTPUT:
		2190	RETVAL
		2191
1083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2192	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1084	CODE:	2193	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2194	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	2195	OUTPUT:
1087	RETVAL	2196	RETVAL
1088		2197
1089	int set_flags (DB_ENV *env, U32 flags, int onoff)	2198	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1090	CODE:	2199	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	2200	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	2201	OUTPUT:
1093	RETVAL	2202	RETVAL
1094		2203
		2204	#if DB_VERSION_MINOR >= 7
		2205
		2206	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2207	CODE:
		2208	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2209	OUTPUT:
		2210	RETVAL
		2211
		2212	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2213	CODE:
		2214	RETVAL = env->log_set_config (env, flags, onoff);
		2215	OUTPUT:
		2216	RETVAL
		2217
		2218	#endif
		2219
		2220
		2221	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2222	CODE:
		2223	env->set_errfile (env, errfile);
		2224
		2225	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2226	CODE:
		2227	env->set_msgfile (env, msgfile);
		2228
		2229	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2230	CODE:
		2231	RETVAL = env->set_verbose (env, which, onoff);
		2232	OUTPUT:
		2233	RETVAL
		2234
1095	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2235	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1096	CODE:	2236	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	2237	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	2238	OUTPUT:
1099	RETVAL	2239	RETVAL
1100		2240
1101	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2241	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1102	CODE:	2242	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2243	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	2244	OUTPUT:
1105	RETVAL	2245	RETVAL
1106		2246
		2247	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2248	CODE:
		2249	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2250	OUTPUT:
		2251	RETVAL
		2252
		2253	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2254	CODE:
		2255	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2256	OUTPUT:
		2257	RETVAL
		2258
		2259	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2260	CODE:
		2261	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2262	OUTPUT:
		2263	RETVAL
		2264
		2265	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2266	CODE:
		2267	RETVAL = env->set_lk_detect (env, detect);
		2268	OUTPUT:
		2269	RETVAL
		2270
		2271	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2272	CODE:
		2273	RETVAL = env->set_lk_max_lockers (env, max);
		2274	OUTPUT:
		2275	RETVAL
		2276
		2277	int set_lk_max_locks (DB_ENV *env, U32 max)
		2278	CODE:
		2279	RETVAL = env->set_lk_max_locks (env, max);
		2280	OUTPUT:
		2281	RETVAL
		2282
		2283	int set_lk_max_objects (DB_ENV *env, U32 max)
		2284	CODE:
		2285	RETVAL = env->set_lk_max_objects (env, max);
		2286	OUTPUT:
		2287	RETVAL
		2288
		2289	int set_lg_bsize (DB_ENV *env, U32 max)
		2290	CODE:
		2291	RETVAL = env->set_lg_bsize (env, max);
		2292	OUTPUT:
		2293	RETVAL
		2294
		2295	int set_lg_max (DB_ENV *env, U32 max)
		2296	CODE:
		2297	RETVAL = env->set_lg_max (env, max);
		2298	OUTPUT:
		2299	RETVAL
		2300
		2301	#if DB_VERSION_MINOR >= 4
		2302
		2303	int mutex_set_max (DB_ENV *env, U32 max)
		2304	CODE:
		2305	RETVAL = env->mutex_set_max (env, max);
		2306	OUTPUT:
		2307	RETVAL
		2308
		2309	int mutex_set_increment (DB_ENV *env, U32 increment)
		2310	CODE:
		2311	RETVAL = env->mutex_set_increment (env, increment);
		2312	OUTPUT:
		2313	RETVAL
		2314
		2315	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2316	CODE:
		2317	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2318	OUTPUT:
		2319	RETVAL
		2320
		2321	int mutex_set_align (DB_ENV *env, U32 align)
		2322	CODE:
		2323	RETVAL = env->mutex_set_align (env, align);
		2324	OUTPUT:
		2325	RETVAL
		2326
		2327	#endif
		2328
		2329	DB_TXN *
		2330	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2331	CODE:
		2332	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2333	if (errno)
		2334	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2335	OUTPUT:
		2336	RETVAL
		2337
		2338	#if DB_VERSION_MINOR >= 5
		2339
		2340	DB_TXN *
		2341	cdsgroup_begin (DB_ENV *env)
		2342	CODE:
		2343	errno = env->cdsgroup_begin (env, &RETVAL);
		2344	if (errno)
		2345	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2346	OUTPUT:
		2347	RETVAL
		2348
		2349	#endif
1107		2350
1108	MODULE = BDB PACKAGE = BDB::Db	2351	MODULE = BDB PACKAGE = BDB::Db
1109		2352
		2353	void
		2354	DESTROY (DB_ornuked *db)
		2355	CODE:
		2356	if (db)
		2357	{
		2358	SV *env = (SV *)db->app_private;
		2359	db->close (db, 0);
		2360	SvREFCNT_dec (env);
		2361	}
		2362
1110	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2363	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1111	CODE:	2364	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2365	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	2366	OUTPUT:
1114	RETVAL	2367	RETVAL
1115		2368
		2369	int set_pagesize (DB *db, U32 pagesize)
		2370	CODE:
		2371	RETVAL = db->set_pagesize (db, pagesize);
		2372	OUTPUT:
		2373	RETVAL
		2374
1116	int set_flags (DB *db, U32 flags);	2375	int set_flags (DB *db, U32 flags)
1117	CODE:	2376	CODE:
1118	RETVAL = db->set_flags (db, flags);	2377	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	2378	OUTPUT:
1120	RETVAL	2379	RETVAL
1121		2380
…		…
1129	CODE:	2388	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	2389	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	2390	OUTPUT:
1132	RETVAL	2391	RETVAL
1133		2392
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	2393	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	2394	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	2395	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	2396	OUTPUT:
1139	RETVAL	2397	RETVAL
1140		2398
1141	int set_re_delim(DB *db, int delim);	2399	int set_re_delim (DB *db, int delim)
1142	CODE:	2400	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	2401	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	2402	OUTPUT:
1145	RETVAL	2403	RETVAL
1146		2404
…		…
1178	CODE:	2436	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	2437	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	2438	OUTPUT:
1181	RETVAL	2439	RETVAL
1182		2440
		2441	DBC *
		2442	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2443	CODE:
		2444	errno = db->cursor (db, txn, &RETVAL, flags);
		2445	if (errno)
		2446	croak ("DB->cursor: %s", db_strerror (errno));
		2447	OUTPUT:
		2448	RETVAL
1183		2449
		2450	#if DB_VERSION_MINOR >= 3
		2451
		2452	DB_SEQUENCE *
		2453	sequence (DB *db, U32 flags = 0)
		2454	CODE:
		2455	{
		2456	errno = db_sequence_create (&RETVAL, db, flags);
		2457	if (errno)
		2458	croak ("db_sequence_create: %s", db_strerror (errno));
		2459	}
		2460	OUTPUT:
		2461	RETVAL
		2462
		2463	#endif
		2464
		2465
		2466	MODULE = BDB PACKAGE = BDB::Txn
		2467
		2468	void
		2469	DESTROY (DB_TXN_ornuked *txn)
		2470	CODE:
		2471	if (txn)
		2472	txn->abort (txn);
		2473
		2474	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2475	CODE:
		2476	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2477	OUTPUT:
		2478	RETVAL
		2479
		2480	int failed (DB_TXN *txn)
		2481	CODE:
		2482	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2483	OUTPUT:
		2484	RETVAL
		2485
		2486
		2487	MODULE = BDB PACKAGE = BDB::Cursor
		2488
		2489	void
		2490	DESTROY (DBC_ornuked *dbc)
		2491	CODE:
		2492	if (dbc)
		2493	dbc->c_close (dbc);
		2494
		2495	#if DB_VERSION_MINOR >= 6
		2496
		2497	int set_priority (DBC *dbc, int priority)
		2498	CODE:
		2499	dbc->set_priority (dbc, priority);
		2500
		2501	#endif
		2502
		2503	#if DB_VERSION_MINOR >= 3
		2504
		2505	MODULE = BDB PACKAGE = BDB::Sequence
		2506
		2507	void
		2508	DESTROY (DB_SEQUENCE_ornuked *seq)
		2509	CODE:
		2510	if (seq)
		2511	seq->close (seq, 0);
		2512
		2513	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2514	CODE:
		2515	RETVAL = seq->initial_value (seq, value);
		2516	OUTPUT:
		2517	RETVAL
		2518
		2519	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2520	CODE:
		2521	RETVAL = seq->set_cachesize (seq, size);
		2522	OUTPUT:
		2523	RETVAL
		2524
		2525	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2526	CODE:
		2527	RETVAL = seq->set_flags (seq, flags);
		2528	OUTPUT:
		2529	RETVAL
		2530
		2531	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2532	CODE:
		2533	RETVAL = seq->set_range (seq, min, max);
		2534	OUTPUT:
		2535	RETVAL
		2536
		2537	#endif
		2538
		2539

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