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Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.64 by root, Wed Nov 12 16:52:51 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;
		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;
42	# endif	56	#endif
43	#endif
44		57
45	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef char *bdb_filename;
46	typedef char *octetstring;
47		59
48	static SV *prepare_cb;	60	static SV *prepare_cb;
49		61
		62	#if DB_VERSION_MINOR >= 6
		63	# define c_close close
		64	# define c_count count
		65	# define c_del del
		66	# define c_dup dup
		67	# define c_get get
		68	# define c_pget pget
		69	# define c_put put
		70	#endif
		71
50	static inline char *	72	static char *
		73	get_bdb_filename (SV *sv)
		74	{
		75	if (!SvOK (sv))
		76	return 0;
		77
		78	#if _WIN32
		79	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		80	{
		81	STRLEN len;
		82	char *src = SvPVbyte (sv, len);
		83	SV *t1 = sv_newmortal ();
		84	SV *t2 = sv_newmortal ();
		85
		86	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		87	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		88
		89	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		90	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		91	SvPOK_only (t2);
		92	SvPVX (t2)[len] = 0;
		93	SvCUR_set (t2, len);
		94
		95	return SvPVX (t2);
		96	}
		97	#else
		98	return SvPVbyte_nolen (sv);
		99	#endif
		100	}
		101
		102	static void
		103	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		104	{
		105	printf ("err[%s]\n", msg);
		106	}
		107
		108	static void
		109	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		110	{
		111	printf ("msg[%s]\n", msg);
		112	}
		113
		114	static char *
51	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
52	{	116	{
53	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
54	}	118	}
55		119
		120	static void
		121	sv_to_dbt (DBT *dbt, SV *sv)
		122	{
		123	STRLEN len;
		124	char *data = SvPVbyte (sv, len);
		125
		126	dbt->data = malloc (len);
		127	memcpy (dbt->data, data, len);
		128	dbt->size = len;
		129	dbt->flags = DB_DBT_REALLOC;
		130	}
		131
		132	static void
		133	dbt_to_sv (SV *sv, DBT *dbt)
		134	{
		135	if (sv)
		136	{
		137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
		140	sv_setpvn_mg (sv, dbt->data, dbt->size);
		141	else
		142	sv_setsv_mg (sv, &PL_sv_undef);
		143
		144	SvREFCNT_dec (sv);
		145	}
		146
		147	free (dbt->data);
		148	}
		149
56	enum {	150	enum {
57	REQ_QUIT,	151	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	REQ_ENV_LOG_ARCHIVE,
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	av = (AV *)newRV_noinc ((SV *)av);
		384
		385	SvREADONLY_off (req->sv1);
		386	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		387	SvREFCNT_dec (av);
		388	SvREFCNT_dec (req->sv1);
		389	}
		390	break;
		391
		392	#if DB_VERSION_MINOR >= 3
		393	case REQ_SEQ_GET:
		394	SvREADONLY_off (req->sv1);
		395
		396	if (sizeof (IV) > 4)
		397	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		398	else
		399	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		400
		401	SvREFCNT_dec (req->sv1);
		402	break;
		403	#endif
		404
		405	case REQ_ENV_LOG_ARCHIVE:
		406	{
		407	AV *av = newAV ();
		408	char **listp = (char **)req->buf1;
		409
		410	if (listp)
		411	while (*listp)
		412	av_push (av, newSVpv (*listp, 0)), ++listp;
		413
		414	av = (AV *)newRV_noinc ((SV *)av);
		415
		416	SvREADONLY_off (req->sv1);
		417	sv_setsv_mg (req->sv1, (SV *)av);
		418	SvREFCNT_dec (av);
		419	SvREFCNT_dec (req->sv1);
		420	}
		421	break;
		422	}
		423
		424	errno = req->result;
		425
		426	if (req->callback)
		427	{
		428	dSP;
		429
260	ENTER;	430	ENTER;
261	SAVETMPS;	431	SAVETMPS;
262	PUSHMARK (SP);	432	PUSHMARK (SP);
263	EXTEND (SP, 1);
264
265	switch (req->type)
266	{
267	}
268
269	errno = req->result;
270		433
271	PUTBACK;	434	PUTBACK;
272	call_sv (req->callback, G_VOID | G_EVAL);	435	call_sv (req->callback, G_VOID | G_EVAL);
273	SPAGAIN;	436	SPAGAIN;
274		437
275	FREETMPS;	438	FREETMPS;
276	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
277	}	442	}
278		443
279	return !SvTRUE (ERRSV);	444	return 1;
280	}	445	}
281		446
282	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
283	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
284	free (req->buf1);	454	free (req->buf1);
285	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
286	Safefree (req);	458	Safefree (req);
287	}	459	}
288		460
289	static void *aio_proc (void *arg);	461	#ifdef USE_SOCKETS_AS_HANDLES
		462	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		463	#else
		464	# define TO_SOCKET(x) (x)
		465	#endif
		466
		467	static void
		468	create_respipe (void)
		469	{
		470	#ifdef _WIN32
		471	int arg; /* argg */
		472	#endif
		473	int old_readfd = respipe [0];
		474
		475	if (respipe [1] >= 0)
		476	respipe_close (TO_SOCKET (respipe [1]));
		477
		478	#ifdef _WIN32
		479	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		480	#else
		481	if (pipe (respipe))
		482	#endif
		483	croak ("unable to initialize result pipe");
		484
		485	if (old_readfd >= 0)
		486	{
		487	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		488	croak ("unable to initialize result pipe(2)");
		489
		490	respipe_close (respipe [0]);
		491	respipe [0] = old_readfd;
		492	}
		493
		494	#ifdef _WIN32
		495	arg = 1;
		496	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		497	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		498	#else
		499	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		500	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		501	#endif
		502	croak ("unable to initialize result pipe(3)");
		503
		504	respipe_osf [0] = TO_SOCKET (respipe [0]);
		505	respipe_osf [1] = TO_SOCKET (respipe [1]);
		506	}
		507
		508	static void bdb_request (bdb_req req);
		509	X_THREAD_PROC (bdb_proc);
290		510
291	static void start_thread (void)	511	static void start_thread (void)
292	{	512	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	513	worker *wrk = calloc (1, sizeof (worker));
297		514
298	if (!wrk)	515	if (!wrk)
299	croak ("unable to allocate worker thread data");	516	croak ("unable to allocate worker thread data");
300		517
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);	518	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	519	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	520	{
314	wrk->prev = &wrk_first;	521	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	522	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	523	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	524	wrk_first.next = wrk;
318	++started;	525	++started;
319	}	526	}
320	else	527	else
321	free (wrk);	528	free (wrk);
322		529
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	530	X_UNLOCK (wrklock);
325	}	531	}
326		532
327	static void maybe_start_thread ()	533	static void maybe_start_thread (void)
328	{	534	{
329	if (get_nthreads () >= wanted)	535	if (get_nthreads () >= wanted)
330	return;	536	return;
331		537
332	/* todo: maybe use idle here, but might be less exact */	538	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	540	return;
335		541
336	start_thread ();	542	start_thread ();
337	}	543	}
338		544
339	static void req_send (aio_req req)	545	static void req_send (bdb_req req)
340	{	546	{
341	SV *wait_callback = 0;	547	SV *wait_callback = 0;
342		548
343	// synthesize callback if none given	549	if (on_next_submit)
344	if (!SvOK (req->callback))
345	{	550	{
346	dSP;	551	dSP;
		552	SV *cb = sv_2mortal (on_next_submit);
		553
		554	on_next_submit = 0;
		555
347	PUSHMARK (SP);	556	PUSHMARK (SP);
348	PUTBACK;	557	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	558	call_sv (cb, G_DISCARD | G_EVAL);
350	SPAGAIN;	559	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	}	560	}
359		561
		562	// synthesize callback if none given
		563	if (!req->callback)
		564	{
		565	if (SvOK (prepare_cb))
		566	{
		567	int count;
		568
		569	dSP;
		570	PUSHMARK (SP);
		571	PUTBACK;
		572	count = call_sv (prepare_cb, G_ARRAY);
		573	SPAGAIN;
		574
		575	if (count != 2)
		576	croak ("sync prepare callback must return exactly two values\n");
		577
		578	wait_callback = POPs;
		579	req->callback = SvREFCNT_inc (POPs);
		580	}
		581	else
		582	{
		583	// execute request synchronously
		584	bdb_request (req);
		585	req_invoke (req);
		586	req_free (req);
		587	return;
		588	}
		589	}
		590
360	++nreqs;	591	++nreqs;
361		592
362	LOCK (reqlock);	593	X_LOCK (reqlock);
363	++nready;	594	++nready;
364	reqq_push (&req_queue, req);	595	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	596	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	597	X_UNLOCK (reqlock);
367		598
368	maybe_start_thread ();	599	maybe_start_thread ();
369		600
370	if (wait_callback)	601	if (wait_callback)
371	{	602	{
372	dSP;	603	dSP;
373	PUSHMARK (SP);	604	PUSHMARK (SP);
374	PUTBACK;	605	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	606	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	607	}
378	}	608	}
379		609
380	static void end_thread (void)	610	static void end_thread (void)
381	{	611	{
382	aio_req req;	612	bdb_req req = calloc (1, sizeof (bdb_cb));
383
384	Newz (0, req, 1, aio_cb);
385		613
386	req->type = REQ_QUIT;	614	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	615	req->pri = PRI_MAX + PRI_BIAS;
388		616
389	LOCK (reqlock);	617	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	618	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	619	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	620	X_UNLOCK (reqlock);
393		621
394	LOCK (wrklock);	622	X_LOCK (wrklock);
395	--started;	623	--started;
396	UNLOCK (wrklock);	624	X_UNLOCK (wrklock);
397	}	625	}
398		626
399	static void set_max_idle (int nthreads)	627	static void set_max_idle (int nthreads)
400	{	628	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	629	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	630	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	631	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	632	}
405		633
406	static void min_parallel (int nthreads)	634	static void min_parallel (int nthreads)
407	{	635	{
408	if (wanted < nthreads)	636	if (wanted < nthreads)
…		…
416		644
417	while (started > wanted)	645	while (started > wanted)
418	end_thread ();	646	end_thread ();
419	}	647	}
420		648
421	static void poll_wait ()	649	static void poll_wait (void)
422	{	650	{
423	fd_set rfd;	651	fd_set rfd;
424		652
425	while (nreqs)	653	while (nreqs)
426	{	654	{
427	int size;	655	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	656	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	657	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	658	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		659
432	if (size)	660	if (size)
433	return;	661	return;
434		662
435	maybe_start_thread ();	663	maybe_start_thread ();
436		664
437	FD_ZERO(&rfd);	665	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	666	FD_SET (respipe [0], &rfd);
439		667
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	668	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	669	}
442	}	670	}
443		671
444	static int poll_cb ()	672	static int poll_cb (void)
445	{	673	{
446	dSP;	674	dSP;
447	int count = 0;	675	int count = 0;
448	int maxreqs = max_poll_reqs;	676	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	677	int do_croak = 0;
450	struct timeval tv_start, tv_now;	678	struct timeval tv_start, tv_now;
451	aio_req req;	679	bdb_req req;
452		680
453	if (max_poll_time)	681	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	682	gettimeofday (&tv_start, 0);
455		683
456	for (;;)	684	for (;;)
457	{	685	{
458	for (;;)	686	for (;;)
459	{	687	{
460	maybe_start_thread ();	688	maybe_start_thread ();
461		689
462	LOCK (reslock);	690	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	691	req = reqq_shift (&res_queue);
464		692
465	if (req)	693	if (req)
466	{	694	{
467	--npending;	695	--npending;
468		696
469	if (!res_queue.size)	697	if (!res_queue.size)
470	{	698	{
471	/* read any signals sent by the worker threads */	699	/* read any signals sent by the worker threads */
472	char buf [4];	700	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	701	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	702	;
475	}	703	}
476	}	704	}
477		705
478	UNLOCK (reslock);	706	X_UNLOCK (reslock);
479		707
480	if (!req)	708	if (!req)
481	break;	709	break;
482		710
483	--nreqs;	711	--nreqs;
…		…
513	}	741	}
514		742
515	return count;	743	return count;
516	}	744	}
517		745
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	/*****************************************************************************/	746	/*****************************************************************************/
531		747
532	static void *aio_proc (void *thr_arg)	748	static void
		749	bdb_request (bdb_req req)
533	{	750	{
		751	switch (req->type)
		752	{
		753	case REQ_ENV_OPEN:
		754	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		755	break;
		756
		757	case REQ_ENV_CLOSE:
		758	req->result = req->env->close (req->env, req->uint1);
		759	break;
		760
		761	case REQ_ENV_TXN_CHECKPOINT:
		762	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		763	break;
		764
		765	case REQ_ENV_LOCK_DETECT:
		766	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		767	break;
		768
		769	case REQ_ENV_MEMP_SYNC:
		770	req->result = req->env->memp_sync (req->env, 0);
		771	break;
		772
		773	case REQ_ENV_MEMP_TRICKLE:
		774	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		775	break;
		776
		777	case REQ_ENV_DBREMOVE:
		778	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		779	break;
		780
		781	case REQ_ENV_DBRENAME:
		782	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		783	break;
		784
		785	case REQ_DB_OPEN:
		786	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		787	break;
		788
		789	case REQ_DB_CLOSE:
		790	req->result = req->db->close (req->db, req->uint1);
		791	break;
		792
		793	#if DB_VERSION_MINOR >= 4
		794	case REQ_DB_COMPACT:
		795	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);
		796	break;
		797	#endif
		798
		799	case REQ_DB_SYNC:
		800	req->result = req->db->sync (req->db, req->uint1);
		801	break;
		802
		803	case REQ_DB_UPGRADE:
		804	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		805	break;
		806
		807	case REQ_DB_PUT:
		808	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		809	break;
		810
		811	#if DB_VERSION_MINOR >= 6
		812	case REQ_DB_EXISTS:
		813	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		814	break;
		815	#endif
		816	case REQ_DB_GET:
		817	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		818	break;
		819
		820	case REQ_DB_PGET:
		821	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		822	break;
		823
		824	case REQ_DB_DEL:
		825	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		826	break;
		827
		828	case REQ_DB_KEY_RANGE:
		829	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		830	break;
		831
		832	case REQ_TXN_COMMIT:
		833	req->result = req->txn->commit (req->txn, req->uint1);
		834	break;
		835
		836	case REQ_TXN_ABORT:
		837	req->result = req->txn->abort (req->txn);
		838	break;
		839
		840	case REQ_TXN_FINISH:
		841	if (req->txn->flags & TXN_DEADLOCK)
		842	{
		843	req->result = req->txn->abort (req->txn);
		844	if (!req->result)
		845	req->result = DB_LOCK_DEADLOCK;
		846	}
		847	else
		848	req->result = req->txn->commit (req->txn, req->uint1);
		849	break;
		850
		851	case REQ_C_CLOSE:
		852	req->result = req->dbc->c_close (req->dbc);
		853	break;
		854
		855	case REQ_C_COUNT:
		856	{
		857	db_recno_t recno;
		858	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		859	req->uv1 = recno;
		860	}
		861	break;
		862
		863	case REQ_C_PUT:
		864	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		865	break;
		866
		867	case REQ_C_GET:
		868	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		869	break;
		870
		871	case REQ_C_PGET:
		872	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		873	break;
		874
		875	case REQ_C_DEL:
		876	req->result = req->dbc->c_del (req->dbc, req->uint1);
		877	break;
		878
		879	#if DB_VERSION_MINOR >= 3
		880	case REQ_SEQ_OPEN:
		881	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		882	break;
		883
		884	case REQ_SEQ_CLOSE:
		885	req->result = req->seq->close (req->seq, req->uint1);
		886	break;
		887
		888	case REQ_SEQ_GET:
		889	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		890	break;
		891
		892	case REQ_SEQ_REMOVE:
		893	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		894	break;
		895	#endif
		896
		897	case REQ_ENV_LOG_ARCHIVE:
		898	{
		899	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		900	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		901	req->buf1 = (char *)listp;
		902	}
		903	break;
		904
		905	default:
		906	req->result = ENOSYS;
		907	break;
		908	}
		909
		910	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		911	req->txn->flags |= TXN_DEADLOCK;
		912	}
		913
		914	X_THREAD_PROC (bdb_proc)
		915	{
534	aio_req req;	916	bdb_req req;
535	struct timespec ts;	917	struct timespec ts;
536	worker *self = (worker *)thr_arg;	918	worker *self = (worker *)thr_arg;
537		919
538	/* try to distribute timeouts somewhat evenly */	920	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	921	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		922
542	for (;;)	923	for (;;)
543	{	924	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	925	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		926
546	LOCK (reqlock);	927	X_LOCK (reqlock);
547		928
548	for (;;)	929	for (;;)
549	{	930	{
550	self->req = req = reqq_shift (&req_queue);	931	self->req = req = reqq_shift (&req_queue);
551		932
552	if (req)	933	if (req)
553	break;	934	break;
554		935
555	++idle;	936	++idle;
556		937
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	938	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	939	== ETIMEDOUT)
559	{	940	{
560	if (idle > max_idle)	941	if (idle > max_idle)
561	{	942	{
562	--idle;	943	--idle;
563	UNLOCK (reqlock);	944	X_UNLOCK (reqlock);
564	LOCK (wrklock);	945	X_LOCK (wrklock);
565	--started;	946	--started;
566	UNLOCK (wrklock);	947	X_UNLOCK (wrklock);
567	goto quit;	948	goto quit;
568	}	949	}
569		950
570	/* we are allowed to idle, so do so without any timeout */	951	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	952	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	953	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	954	}
574		955
575	--idle;	956	--idle;
576	}	957	}
577		958
578	--nready;	959	--nready;
579		960
580	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
581		962
582	switch (req->type)	963	if (req->type == REQ_QUIT)
583	{	964	{
584	case REQ_QUIT:	965	X_LOCK (reslock);
		966	free (req);
		967	self->req = 0;
		968	X_UNLOCK (reslock);
		969
585	goto quit;	970	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	}	971	}
619		972
		973	bdb_request (req);
		974
620	LOCK (reslock);	975	X_LOCK (reslock);
621		976
622	++npending;	977	++npending;
623		978
624	if (!reqq_push (&res_queue, req))	979	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	980	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	981	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		982
628	self->req = 0;	983	self->req = 0;
629	worker_clear (self);	984	worker_clear (self);
630		985
631	UNLOCK (reslock);	986	X_UNLOCK (reslock);
632	}	987	}
633		988
634	quit:	989	quit:
635	LOCK (wrklock);	990	X_LOCK (wrklock);
636	worker_free (self);	991	worker_free (self);
637	UNLOCK (wrklock);	992	X_UNLOCK (wrklock);
638		993
639	return 0;	994	return 0;
640	}	995	}
641		996
642	/*****************************************************************************/	997	/*****************************************************************************/
643		998
644	static void atfork_prepare (void)	999	static void atfork_prepare (void)
645	{	1000	{
646	LOCK (wrklock);	1001	X_LOCK (wrklock);
647	LOCK (reqlock);	1002	X_LOCK (reqlock);
648	LOCK (reslock);	1003	X_LOCK (reslock);
649	}	1004	}
650		1005
651	static void atfork_parent (void)	1006	static void atfork_parent (void)
652	{	1007	{
653	UNLOCK (reslock);	1008	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	1009	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	1010	X_UNLOCK (wrklock);
656	}	1011	}
657		1012
658	static void atfork_child (void)	1013	static void atfork_child (void)
659	{	1014	{
660	aio_req prv;	1015	bdb_req prv;
661		1016
662	while (prv = reqq_shift (&req_queue))	1017	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	1018	req_free (prv);
664		1019
665	while (prv = reqq_shift (&res_queue))	1020	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	1035	idle = 0;
681	nreqs = 0;	1036	nreqs = 0;
682	nready = 0;	1037	nready = 0;
683	npending = 0;	1038	npending = 0;
684		1039
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	1040	create_respipe ();
688		1041
689	atfork_parent ();	1042	atfork_parent ();
690	}	1043	}
691		1044
692	#define dREQ(reqtype) \	1045	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	1046	bdb_req req; \
694	int req_pri = next_pri; \	1047	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1048	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1049	\
697	if (SvOK (callback) && !SvROK (callback)) \	1050	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1051	croak ("callback has illegal type or extra arguments"); \
699	\	1052	\
700	Newz (0, req, 1, aio_cb); \	1053	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1054	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1055	croak ("out of memory during bdb_req allocation"); \
703	\	1056	\
704	req->callback = newSVsv (callback); \	1057	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1058	req->type = (reqtype); \
706	req->pri = req_pri	1059	req->pri = req_pri; \
		1060	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1061	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1062	(void)0;
707		1063
708	#define REQ_SEND \	1064	#define REQ_SEND \
709	req_send (req)	1065	req_send (req)
710		1066
711	#define SvPTR(var, arg, type, class) \	1067	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1068	if (!SvOK (arg)) \
		1069	{ \
		1070	if (nullok != 1) \
		1071	croak (# var " must be a " # class " object, not undef"); \
		1072	\
713	(var) = 0; \	1073	(var) = 0; \
		1074	} \
714	else if (sv_derived_from ((arg), # class)) \	1075	else if (sv_derived_from ((arg), # class)) \
715	{ \	1076	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1077	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1078	(var) = INT2PTR (type, tmp); \
		1079	if (!var && nullok != 2) \
		1080	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1081	} \
719	else \	1082	else \
720	Perl_croak (# var " is not of type " # class)	1083	croak (# var " is not of type " # class);
721		1084
722	inline void	1085	#define ARG_MUTABLE(name) \
723	set_dbt (DBT *dbt, SV *sv)	1086	if (SvREADONLY (name)) \
724	{	1087	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		1088
728	dbt->data = malloc (len);	1089	static void
729	memcpy (dbt->data, data, len);	1090	ptr_nuke (SV *sv)
730	dbt->size = len;	1091	{
		1092	assert (SvROK (sv));
		1093	sv_setiv (SvRV (sv), 0);
731	}	1094	}
732		1095
		1096	static int
		1097	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1098	{
		1099	if (*mg->mg_ptr == '!') // should always be the case
		1100	if (-30999 <= errno && errno <= -30800)
		1101	{
		1102	sv_setnv (sv, (NV)errno);
		1103	sv_setpv (sv, db_strerror (errno));
		1104	SvNOK_on (sv); /* what a wonderful hack! */
		1105	// ^^^ copied from perl sources
		1106	return 0;
		1107	}
		1108
		1109	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1110	}
		1111
		1112	static MGVTBL vtbl_errno;
		1113
		1114	// this wonderful hack :( patches perl's $! variable to support our errno values
		1115	static void
		1116	patch_errno (void)
		1117	{
		1118	SV *sv;
		1119	MAGIC *mg;
		1120
		1121	if (!(sv = get_sv ("!", 1)))
		1122	return;
		1123
		1124	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1125	return;
		1126
		1127	if (mg->mg_virtual != &PL_vtbl_sv)
		1128	return;
		1129
		1130	vtbl_errno = PL_vtbl_sv;
		1131	vtbl_errno.svt_get = errno_get;
		1132	mg->mg_virtual = &vtbl_errno;
		1133	}
		1134
		1135	#if __GNUC__ >= 4
		1136	# define noinline __attribute__ ((noinline))
		1137	#else
		1138	# define noinline
		1139	#endif
		1140
		1141	static noinline SV *
		1142	pop_callback (I32 *ritems, SV *sv)
		1143	{
		1144	if (SvROK (sv))
		1145	{
		1146	HV *st;
		1147	GV *gvp;
		1148	CV *cv;
		1149	const char *name;
		1150
		1151	/* forgive me */
		1152	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1153	&& (st = SvSTASH (SvRV (sv)))
		1154	&& (name = HvNAME_get (st))
		1155	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1156	return 0;
		1157
		1158	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1159	{
		1160	--*ritems;
		1161	return (SV *)cv;
		1162	}
		1163	}
		1164
		1165	return 0;
		1166	}
		1167
		1168	/*****************************************************************************/
		1169
		1170	#if 0
		1171	static int
		1172	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1173	{
		1174	ssize_t size1 = dbt1->size;
		1175	ssize_t size2 = dbt2->size;
		1176	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1177	size1 <= size2 ? size1 : size2);
		1178
		1179	if (res)
		1180	return res;
		1181	else if (size1 - size2)
		1182	return size1 - size2;
		1183	else
		1184	return 0;
		1185	}
		1186
		1187	static size_t
		1188	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1189	{
		1190	ssize_t size1 = dbt1->size;
		1191	ssize_t size2 = dbt2->size;
		1192	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1193	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1194	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1195
		1196	while (p1 < pe)
		1197	if (*p1++ != *p2++)
		1198	return p1 - (u_int8_t *)dbt1->data - 1;
		1199
		1200	if (size1 < size2) return size1 + 1;
		1201	if (size1 > size2) return size2 + 1;
		1202
		1203	return size1;
		1204	}
		1205	#endif
		1206
		1207	/*****************************************************************************/
		1208
		1209	/* stupid windows defines CALLBACK as well */
		1210	#undef CALLBACK
		1211	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1212
733	MODULE = BDB PACKAGE = BDB	1213	MODULE = BDB PACKAGE = BDB
734		1214
735	PROTOTYPES: ENABLE	1215	PROTOTYPES: ENABLE
736		1216
737	BOOT:	1217	BOOT:
…		…
752	const_iv (INIT_TXN)	1232	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1233	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1234	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1235	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1236	const_iv (CREATE)
		1237	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1238	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1239	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1240	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1241	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1242	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1243	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1244	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1245	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)	1246	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1247	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1248	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1249	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1250	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1251	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1252	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1253	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1254	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1255	const_iv (TXN_WRITE_NOSYNC)
		1256	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1257	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1258	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1259	const_iv (XA_CREATE)
785	const_iv (BTREE)	1260	const_iv (BTREE)
786	const_iv (HASH)	1261	const_iv (HASH)
787	const_iv (QUEUE)	1262	const_iv (QUEUE)
788	const_iv (RECNO)	1263	const_iv (RECNO)
789	const_iv (UNKNOWN)	1264	const_iv (UNKNOWN)
790	const_iv (EXCL)	1265	const_iv (EXCL)
791	const_iv (READ_COMMITTED)
792	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1266	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1267	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1268	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1269	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1270	const_iv (DUP)
799	const_iv (DUPSORT)	1271	const_iv (DUPSORT)
800	const_iv (RECNUM)	1272	//const_iv (RECNUM)
801	const_iv (RENUMBER)	1273	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1274	const_iv (REVSPLITOFF)
803	const_iv (INORDER)
804	const_iv (CONSUME)	1275	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1276	const_iv (CONSUME_WAIT)
		1277	const_iv (GET_BOTH)
		1278	const_iv (GET_BOTH_RANGE)
		1279	//const_iv (SET_RECNO)
		1280	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1281	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1282	const_iv (JOIN_ITEM)
		1283	const_iv (JOIN_NOSORT)
808	const_iv (RMW)	1284	const_iv (RMW)
809		1285
810	const_iv (NOTFOUND)	1286	const_iv (NOTFOUND)
811	const_iv (KEYEMPTY)	1287	const_iv (KEYEMPTY)
812	const_iv (LOCK_DEADLOCK)	1288	const_iv (LOCK_DEADLOCK)
813	const_iv (LOCK_NOTGRANTED)	1289	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1290	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1291	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1292	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1293	const_iv (SECONDARY_BAD)
818
819	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)
821		1294
822	const_iv (APPEND)	1295	const_iv (APPEND)
823	const_iv (NODUPDATA)	1296	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1297	const_iv (NOOVERWRITE)
825		1298
826	const_iv (TXN_NOWAIT)	1299	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1300	const_iv (TXN_SYNC)
829		1301
830	const_iv (SET_LOCK_TIMEOUT)	1302	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1303	const_iv (SET_TXN_TIMEOUT)
		1304
		1305	const_iv (FIRST)
		1306	const_iv (NEXT)
		1307	const_iv (NEXT_DUP)
		1308	const_iv (NEXT_NODUP)
		1309	const_iv (PREV)
		1310	const_iv (PREV_NODUP)
		1311	const_iv (SET)
		1312	const_iv (SET_RANGE)
		1313	const_iv (LAST)
		1314	const_iv (BEFORE)
		1315	const_iv (AFTER)
		1316	const_iv (CURRENT)
		1317	const_iv (KEYFIRST)
		1318	const_iv (KEYLAST)
		1319	const_iv (NODUPDATA)
		1320
		1321	const_iv (FORCE)
		1322
		1323	const_iv (LOCK_DEFAULT)
		1324	const_iv (LOCK_EXPIRE)
		1325	const_iv (LOCK_MAXLOCKS)
		1326	const_iv (LOCK_MINLOCKS)
		1327	const_iv (LOCK_MINWRITE)
		1328	const_iv (LOCK_OLDEST)
		1329	const_iv (LOCK_RANDOM)
		1330	const_iv (LOCK_YOUNGEST)
		1331
		1332	const_iv (DONOTINDEX)
		1333	const_iv (KEYEMPTY )
		1334	const_iv (KEYEXIST )
		1335	const_iv (LOCK_DEADLOCK)
		1336	const_iv (LOCK_NOTGRANTED)
		1337	const_iv (NOSERVER)
		1338	const_iv (NOSERVER_HOME)
		1339	const_iv (NOSERVER_ID)
		1340	const_iv (NOTFOUND)
		1341	const_iv (PAGE_NOTFOUND)
		1342	const_iv (REP_DUPMASTER)
		1343	const_iv (REP_HANDLE_DEAD)
		1344	const_iv (REP_HOLDELECTION)
		1345	const_iv (REP_ISPERM)
		1346	const_iv (REP_NEWMASTER)
		1347	const_iv (REP_NEWSITE)
		1348	const_iv (REP_NOTPERM)
		1349	const_iv (REP_UNAVAIL)
		1350	const_iv (RUNRECOVERY)
		1351	const_iv (SECONDARY_BAD)
		1352	const_iv (VERIFY_BAD)
		1353
		1354	const_iv (ARCH_ABS)
		1355	const_iv (ARCH_DATA)
		1356	const_iv (ARCH_LOG)
		1357	const_iv (ARCH_REMOVE)
		1358
		1359	const_iv (VERB_DEADLOCK)
		1360	const_iv (VERB_RECOVERY)
		1361	const_iv (VERB_REPLICATION)
		1362	const_iv (VERB_WAITSFOR)
		1363
		1364	const_iv (VERSION_MAJOR)
		1365	const_iv (VERSION_MINOR)
		1366	const_iv (VERSION_PATCH)
		1367	#if DB_VERSION_MINOR >= 3
		1368	const_iv (INORDER)
		1369	const_iv (LOCK_MAXWRITE)
		1370	const_iv (SEQ_DEC)
		1371	const_iv (SEQ_INC)
		1372	const_iv (SEQ_WRAP)
		1373	const_iv (BUFFER_SMALL)
		1374	const_iv (LOG_BUFFER_FULL)
		1375	const_iv (VERSION_MISMATCH)
		1376	#endif
		1377	#if DB_VERSION_MINOR >= 4
		1378	const_iv (REGISTER)
		1379	const_iv (DSYNC_DB)
		1380	const_iv (READ_COMMITTED)
		1381	const_iv (READ_UNCOMMITTED)
		1382	const_iv (REP_IGNORE)
		1383	const_iv (REP_LOCKOUT)
		1384	const_iv (REP_JOIN_FAILURE)
		1385	const_iv (FREE_SPACE)
		1386	const_iv (FREELIST_ONLY)
		1387	const_iv (VERB_REGISTER)
		1388	#endif
		1389	#if DB_VERSION_MINOR >= 5
		1390	const_iv (MULTIVERSION)
		1391	const_iv (TXN_SNAPSHOT)
		1392	#endif
		1393	#if DB_VERSION_MINOR >= 6
		1394	const_iv (PREV_DUP)
		1395	const_iv (PRIORITY_UNCHANGED)
		1396	const_iv (PRIORITY_VERY_LOW)
		1397	const_iv (PRIORITY_LOW)
		1398	const_iv (PRIORITY_DEFAULT)
		1399	const_iv (PRIORITY_HIGH)
		1400	const_iv (PRIORITY_VERY_HIGH)
		1401	const_iv (IGNORE_LEASE)
		1402	#endif
		1403	#if DB_VERSION_MINOR >= 7
		1404	//const_iv (MULTIPLE_KEY)
		1405	const_iv (LOG_DIRECT)
		1406	const_iv (LOG_DSYNC)
		1407	const_iv (LOG_AUTO_REMOVE)
		1408	const_iv (LOG_IN_MEMORY)
		1409	const_iv (LOG_ZERO)
		1410	#else
		1411	const_iv (DIRECT_LOG)
		1412	const_iv (LOG_AUTOREMOVE)
		1413	# if DB_VERSION_MINOR >= 3
		1414	const_iv (DSYNC_LOG)
		1415	const_iv (LOG_INMEMORY)
		1416	# endif
		1417	#endif
832	};	1418	};
833		1419
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1420	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1421	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1422
837	create_pipe ();	1423	prepare_cb = &PL_sv_undef;
		1424
		1425	{
		1426	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1427	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1428
		1429	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1430	}
		1431
		1432	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1433
		1434	create_respipe ();
		1435
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1436	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1437	patch_errno ();
839	}	1438	}
840		1439
841	void	1440	void
842	max_poll_reqs (int nreqs)	1441	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1442	PROTOTYPE: $
…		…
962		1561
963	int	1562	int
964	nthreads ()	1563	nthreads ()
965	PROTOTYPE:	1564	PROTOTYPE:
966	CODE:	1565	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1566	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1567	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1568	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1569	OUTPUT:
971	RETVAL	1570	RETVAL
972		1571
973	void	1572	SV *
974	set_sync_prepare (SV *cb)	1573	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1574	PROTOTYPE: &
976	CODE:	1575	CODE:
977	SvREFCNT_dec (prepare_cb);	1576	RETVAL = prepare_cb;
978	prepare_cb = newSVsv (cb);	1577	prepare_cb = newSVsv (cb);
		1578	OUTPUT:
		1579	RETVAL
		1580
		1581	char *
		1582	strerror (int errorno = errno)
		1583	PROTOTYPE: ;$
		1584	CODE:
		1585	RETVAL = db_strerror (errorno);
		1586	OUTPUT:
		1587	RETVAL
		1588
		1589	void _on_next_submit (SV *cb)
		1590	CODE:
		1591	SvREFCNT_dec (on_next_submit);
		1592	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
979		1593
980	DB_ENV *	1594	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1595	db_env_create (U32 env_flags = 0)
982	CODE:	1596	CODE:
983	{	1597	{
984	errno = db_env_create (&RETVAL, env_flags);	1598	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1599	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1600	croak ("db_env_create: %s", db_strerror (errno));
		1601
		1602	if (0)
		1603	{
		1604	RETVAL->set_errcall (RETVAL, debug_errcall);
		1605	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1606	}
987	}	1607	}
988	OUTPUT:	1608	OUTPUT:
989	RETVAL	1609	RETVAL
990		1610
991	void	1611	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1612	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1613	PREINIT:
		1614	CALLBACK
993	CODE:	1615	CODE:
994	{	1616	{
995	dREQ (REQ_ENV_OPEN);	1617	dREQ (REQ_ENV_OPEN, 1);
996	req->env = env;	1618	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1619	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1620	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1621	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1622	REQ_SEND;
1001	}	1623	}
1002		1624
1003	void	1625	void
1004	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1626	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1627	PREINIT:
		1628	CALLBACK
1005	CODE:	1629	CODE:
1006	{	1630	{
1007	dREQ (REQ_ENV_CLOSE);	1631	dREQ (REQ_ENV_CLOSE, 0);
		1632	ptr_nuke (ST (0));
1008	req->env = env;	1633	req->env = env;
1009	req->uint1 = flags;	1634	req->uint1 = flags;
1010	REQ_SEND;	1635	REQ_SEND;
1011	}	1636	}
1012		1637
		1638	void
		1639	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1640	PREINIT:
		1641	CALLBACK
		1642	CODE:
		1643	{
		1644	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1645	req->env = env;
		1646	req->uint1 = kbyte;
		1647	req->int1 = min;
		1648	req->uint2 = flags;
		1649	REQ_SEND;
		1650	}
		1651
		1652	void
		1653	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1654	PREINIT:
		1655	CALLBACK
		1656	CODE:
		1657	{
		1658	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1659	req->env = env;
		1660	req->uint1 = flags;
		1661	req->uint2 = atype;
		1662	/* req->int2 = 0; dummy */
		1663	REQ_SEND;
		1664	}
		1665
		1666	void
		1667	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1668	PREINIT:
		1669	CALLBACK
		1670	CODE:
		1671	{
		1672	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1673	req->env = env;
		1674	REQ_SEND;
		1675	}
		1676
		1677	void
		1678	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1679	PREINIT:
		1680	CALLBACK
		1681	CODE:
		1682	{
		1683	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1684	req->env = env;
		1685	req->int1 = percent;
		1686	REQ_SEND;
		1687	}
		1688
		1689	void
		1690	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
		1693	CODE:
		1694	{
		1695	dREQ (REQ_ENV_DBREMOVE, 2);
		1696	req->env = env;
		1697	req->buf1 = strdup_ornull (file);
		1698	req->buf2 = strdup_ornull (database);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	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)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_ENV_DBRENAME, 2);
		1710	req->env = env;
		1711	req->buf1 = strdup_ornull (file);
		1712	req->buf2 = strdup_ornull (database);
		1713	req->buf3 = strdup_ornull (newname);
		1714	req->uint1 = flags;
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
		1719	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1725	req->sv1 = SvREFCNT_inc (listp);
		1726	req->env = env;
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
1013	DB *	1731	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1732	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1733	CODE:
1016	{	1734	{
1017	errno = db_create (&RETVAL, env, flags);	1735	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1736	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1737	croak ("db_create: %s", db_strerror (errno));
		1738
		1739	if (RETVAL)
		1740	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1741	}
1021	OUTPUT:	1742	OUTPUT:
1022	RETVAL	1743	RETVAL
1023		1744
1024	void	1745	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1746	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
1026	CODE:	1749	CODE:
1027	{	1750	{
1028	dREQ (REQ_DB_OPEN);	1751	dREQ (REQ_DB_OPEN, 2);
1029	req->db = db;	1752	req->db = db;
1030	req->txn = txnid;	1753	req->txn = txnid;
1031	req->buf1 = strdup_ornull (file);	1754	req->buf1 = strdup_ornull (file);
1032	req->buf2 = strdup_ornull (database);	1755	req->buf2 = strdup_ornull (database);
1033	req->int1 = type;	1756	req->int1 = type;
…		…
1035	req->int2 = mode;	1758	req->int2 = mode;
1036	REQ_SEND;	1759	REQ_SEND;
1037	}	1760	}
1038		1761
1039	void	1762	void
1040	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1763	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1764	PREINIT:
		1765	CALLBACK
1041	CODE:	1766	CODE:
1042	{	1767	{
1043	dREQ (REQ_DB_CLOSE);	1768	dREQ (REQ_DB_CLOSE, 0);
		1769	ptr_nuke (ST (0));
1044	req->db = db;	1770	req->db = db;
1045	req->uint1 = flags;	1771	req->uint1 = flags;
		1772	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1773	REQ_SEND;
1047	}	1774	}
1048		1775
		1776	#if DB_VERSION_MINOR >= 4
		1777
1049	void	1778	void
1050	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1779	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)
		1780	PREINIT:
		1781	CALLBACK
1051	CODE:	1782	CODE:
1052	{	1783	{
1053	dREQ (REQ_DB_COMPACT);	1784	dREQ (REQ_DB_COMPACT, 2);
1054	req->db = db;	1785	req->db = db;
1055	req->txn = txn;	1786	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1787	if (start) sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1788	if (stop ) sv_to_dbt (&req->dbt2, stop );
1058	req->uint1 = flags;	1789	req->uint1 = flags;
1059	REQ_SEND;	1790	REQ_SEND;
1060	}	1791	}
1061		1792
		1793	#endif
		1794
1062	void	1795	void
1063	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1796	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1797	PREINIT:
		1798	CALLBACK
1064	CODE:	1799	CODE:
1065	{	1800	{
1066	dREQ (REQ_DB_SYNC);	1801	dREQ (REQ_DB_SYNC, 1);
1067	req->db = db;	1802	req->db = db;
1068	req->uint1 = flags;	1803	req->uint1 = flags;
1069	REQ_SEND;	1804	REQ_SEND;
1070	}	1805	}
1071		1806
1072	void	1807	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1808	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
1074	CODE:	1811	CODE:
1075	{	1812	{
1076	dREQ (REQ_DB_PUT);	1813	dREQ (REQ_DB_SYNC, 1);
1077	req->db = db;	1814	req->db = db;
1078	req->txn = 0;	1815	req->buf1 = strdup (file);
1079	set_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1816	req->uint1 = flags;
1082	REQ_SEND;	1817	REQ_SEND;
1083	}	1818	}
1084		1819
		1820	void
		1821	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
		1824	CODE:
		1825	{
		1826	dREQ (REQ_DB_KEY_RANGE, 2);
		1827	req->db = db;
		1828	req->txn = txn;
		1829	sv_to_dbt (&req->dbt1, key);
		1830	req->uint1 = flags;
		1831	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1832	REQ_SEND;
		1833	}
		1834
		1835	void
		1836	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1837	PREINIT:
		1838	CALLBACK
		1839	CODE:
		1840	{
		1841	dREQ (REQ_DB_PUT, 2);
		1842	req->db = db;
		1843	req->txn = txn;
		1844	sv_to_dbt (&req->dbt1, key);
		1845	sv_to_dbt (&req->dbt2, data);
		1846	req->uint1 = flags;
		1847	REQ_SEND;
		1848	}
		1849
		1850	#if DB_VERSION_MINOR >= 6
		1851
		1852	void
		1853	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_DB_EXISTS, 2);
		1859	req->db = db;
		1860	req->txn = txn;
		1861	req->uint1 = flags;
		1862	sv_to_dbt (&req->dbt1, key);
		1863	REQ_SEND;
		1864	}
		1865
		1866	#endif
		1867
		1868	void
		1869	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1870	PREINIT:
		1871	CALLBACK
		1872	CODE:
		1873	{
		1874	//TODO: key is somtimesmutable
		1875	dREQ (REQ_DB_GET, 2);
		1876	req->db = db;
		1877	req->txn = txn;
		1878	req->uint1 = flags;
		1879	sv_to_dbt (&req->dbt1, key);
		1880	req->dbt3.flags = DB_DBT_MALLOC;
		1881	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1882	REQ_SEND;
		1883	}
		1884
		1885	void
		1886	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1887	PREINIT:
		1888	CALLBACK
		1889	CODE:
		1890	{
		1891	//TODO: key is somtimesmutable
		1892	dREQ (REQ_DB_PGET, 2);
		1893	req->db = db;
		1894	req->txn = txn;
		1895	req->uint1 = flags;
		1896
		1897	sv_to_dbt (&req->dbt1, key);
		1898
		1899	req->dbt2.flags = DB_DBT_MALLOC;
		1900	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1901
		1902	req->dbt3.flags = DB_DBT_MALLOC;
		1903	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	dREQ (REQ_DB_DEL, 2);
		1914	req->db = db;
		1915	req->txn = txn;
		1916	req->uint1 = flags;
		1917	sv_to_dbt (&req->dbt1, key);
		1918	REQ_SEND;
		1919	}
		1920
		1921	void
		1922	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1923	PREINIT:
		1924	CALLBACK
		1925	CODE:
		1926	{
		1927	dREQ (REQ_TXN_COMMIT, 0);
		1928	ptr_nuke (ST (0));
		1929	req->txn = txn;
		1930	req->uint1 = flags;
		1931	REQ_SEND;
		1932	}
		1933
		1934	void
		1935	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1936	PREINIT:
		1937	CALLBACK
		1938	CODE:
		1939	{
		1940	dREQ (REQ_TXN_ABORT, 0);
		1941	ptr_nuke (ST (0));
		1942	req->txn = txn;
		1943	REQ_SEND;
		1944	}
		1945
		1946	void
		1947	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1948	PREINIT:
		1949	CALLBACK
		1950	CODE:
		1951	{
		1952	dREQ (REQ_TXN_FINISH, 0);
		1953	ptr_nuke (ST (0));
		1954	req->txn = txn;
		1955	req->uint1 = flags;
		1956	REQ_SEND;
		1957	}
		1958
		1959	void
		1960	db_c_close (DBC *dbc, SV *callback = 0)
		1961	PREINIT:
		1962	CALLBACK
		1963	CODE:
		1964	{
		1965	dREQ (REQ_C_CLOSE, 0);
		1966	ptr_nuke (ST (0));
		1967	req->dbc = dbc;
		1968	REQ_SEND;
		1969	}
		1970
		1971	void
		1972	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1973	PREINIT:
		1974	CALLBACK
		1975	CODE:
		1976	{
		1977	dREQ (REQ_C_COUNT, 1);
		1978	req->dbc = dbc;
		1979	req->sv1 = SvREFCNT_inc (count);
		1980	REQ_SEND;
		1981	}
		1982
		1983	void
		1984	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1985	PREINIT:
		1986	CALLBACK
		1987	CODE:
		1988	{
		1989	dREQ (REQ_C_PUT, 1);
		1990	req->dbc = dbc;
		1991	sv_to_dbt (&req->dbt1, key);
		1992	sv_to_dbt (&req->dbt2, data);
		1993	req->uint1 = flags;
		1994	REQ_SEND;
		1995	}
		1996
		1997	void
		1998	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1999	PREINIT:
		2000	CALLBACK
		2001	CODE:
		2002	{
		2003	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2004	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2005	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2006	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2007	"key",
		2008	"BDB::db_c_get");
		2009
		2010	{
		2011	dREQ (REQ_C_GET, 1);
		2012	req->dbc = dbc;
		2013	req->uint1 = flags;
		2014	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2015	sv_to_dbt (&req->dbt1, key);
		2016	else
		2017	{
		2018	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2019	sv_to_dbt (&req->dbt1, key);
		2020	else
		2021	req->dbt1.flags = DB_DBT_MALLOC;
		2022
		2023	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2024	}
		2025
		2026	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2027	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2028	sv_to_dbt (&req->dbt3, data);
		2029	else
		2030	req->dbt3.flags = DB_DBT_MALLOC;
		2031
		2032	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2033	REQ_SEND;
		2034	}
		2035	}
		2036
		2037	void
		2038	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2039	PREINIT:
		2040	CALLBACK
		2041	CODE:
		2042	{
		2043	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2044	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2045	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2046	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2047	"key",
		2048	"BDB::db_c_pget");
		2049
		2050	{
		2051	dREQ (REQ_C_PGET, 1);
		2052	req->dbc = dbc;
		2053	req->uint1 = flags;
		2054	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2055	sv_to_dbt (&req->dbt1, key);
		2056	else
		2057	{
		2058	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2059	sv_to_dbt (&req->dbt1, key);
		2060	else
		2061	req->dbt1.flags = DB_DBT_MALLOC;
		2062
		2063	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2064	}
		2065
		2066	req->dbt2.flags = DB_DBT_MALLOC;
		2067	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2068
		2069	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2070	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2071	sv_to_dbt (&req->dbt3, data);
		2072	else
		2073	req->dbt3.flags = DB_DBT_MALLOC;
		2074
		2075	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2076	REQ_SEND;
		2077	}
		2078	}
		2079
		2080	void
		2081	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2082	PREINIT:
		2083	CALLBACK
		2084	CODE:
		2085	{
		2086	dREQ (REQ_C_DEL, 1);
		2087	req->dbc = dbc;
		2088	req->uint1 = flags;
		2089	REQ_SEND;
		2090	}
		2091
		2092
		2093	#if DB_VERSION_MINOR >= 3
		2094
		2095	void
		2096	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2097	PREINIT:
		2098	CALLBACK
		2099	CODE:
		2100	{
		2101	dREQ (REQ_SEQ_OPEN, 2);
		2102	req->seq = seq;
		2103	req->txn = txnid;
		2104	req->uint1 = flags | DB_THREAD;
		2105	sv_to_dbt (&req->dbt1, key);
		2106	REQ_SEND;
		2107	}
		2108
		2109	void
		2110	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2111	PREINIT:
		2112	CALLBACK
		2113	CODE:
		2114	{
		2115	dREQ (REQ_SEQ_CLOSE, 0);
		2116	ptr_nuke (ST (0));
		2117	req->seq = seq;
		2118	req->uint1 = flags;
		2119	REQ_SEND;
		2120	}
		2121
		2122	void
		2123	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2124	PREINIT:
		2125	CALLBACK
		2126	CODE:
		2127	{
		2128	dREQ (REQ_SEQ_GET, 2);
		2129	req->seq = seq;
		2130	req->txn = txnid;
		2131	req->int1 = delta;
		2132	req->uint1 = flags;
		2133	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2134	REQ_SEND;
		2135	}
		2136
		2137	void
		2138	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2139	PREINIT:
		2140	CALLBACK
		2141	CODE:
		2142	{
		2143	dREQ (REQ_SEQ_REMOVE, 2);
		2144	req->seq = seq;
		2145	req->txn = txnid;
		2146	req->uint1 = flags;
		2147	REQ_SEND;
		2148	}
		2149
		2150	#endif
		2151
1085		2152
1086	MODULE = BDB PACKAGE = BDB::Env	2153	MODULE = BDB PACKAGE = BDB::Env
1087		2154
		2155	void
		2156	DESTROY (DB_ENV_ornuked *env)
		2157	CODE:
		2158	if (env)
		2159	env->close (env, 0);
		2160
		2161	int set_data_dir (DB_ENV *env, const char *dir)
		2162	CODE:
		2163	RETVAL = env->set_data_dir (env, dir);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	int set_tmp_dir (DB_ENV *env, const char *dir)
		2168	CODE:
		2169	RETVAL = env->set_tmp_dir (env, dir);
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	int set_lg_dir (DB_ENV *env, const char *dir)
		2174	CODE:
		2175	RETVAL = env->set_lg_dir (env, dir);
		2176	OUTPUT:
		2177	RETVAL
		2178
		2179	int set_shm_key (DB_ENV *env, long shm_key)
		2180	CODE:
		2181	RETVAL = env->set_shm_key (env, shm_key);
		2182	OUTPUT:
		2183	RETVAL
		2184
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2185	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	2186	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2187	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	2188	OUTPUT:
1092	RETVAL	2189	RETVAL
1093		2190
1094	int set_flags (DB_ENV *env, U32 flags, int onoff)	2191	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1095	CODE:	2192	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	2193	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	2194	OUTPUT:
1098	RETVAL	2195	RETVAL
1099		2196
		2197	#if DB_VERSION_MINOR >= 7
		2198
		2199	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2200	CODE:
		2201	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2206	CODE:
		2207	RETVAL = env->log_set_config (env, flags, onoff);
		2208	OUTPUT:
		2209	RETVAL
		2210
		2211	#endif
		2212
		2213
		2214	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2215	CODE:
		2216	env->set_errfile (env, errfile);
		2217
		2218	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2219	CODE:
		2220	env->set_msgfile (env, msgfile);
		2221
		2222	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2223	CODE:
		2224	RETVAL = env->set_verbose (env, which, onoff);
		2225	OUTPUT:
		2226	RETVAL
		2227
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2228	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	2229	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	2230	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	2231	OUTPUT:
1104	RETVAL	2232	RETVAL
1105		2233
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2234	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	2235	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2236	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	2237	OUTPUT:
1110	RETVAL	2238	RETVAL
1111		2239
		2240	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2241	CODE:
		2242	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2243	OUTPUT:
		2244	RETVAL
		2245
		2246	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2247	CODE:
		2248	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2249	OUTPUT:
		2250	RETVAL
		2251
		2252	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2253	CODE:
		2254	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2255	OUTPUT:
		2256	RETVAL
		2257
		2258	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2259	CODE:
		2260	RETVAL = env->set_lk_detect (env, detect);
		2261	OUTPUT:
		2262	RETVAL
		2263
		2264	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2265	CODE:
		2266	RETVAL = env->set_lk_max_lockers (env, max);
		2267	OUTPUT:
		2268	RETVAL
		2269
		2270	int set_lk_max_locks (DB_ENV *env, U32 max)
		2271	CODE:
		2272	RETVAL = env->set_lk_max_locks (env, max);
		2273	OUTPUT:
		2274	RETVAL
		2275
		2276	int set_lk_max_objects (DB_ENV *env, U32 max)
		2277	CODE:
		2278	RETVAL = env->set_lk_max_objects (env, max);
		2279	OUTPUT:
		2280	RETVAL
		2281
		2282	int set_lg_bsize (DB_ENV *env, U32 max)
		2283	CODE:
		2284	RETVAL = env->set_lg_bsize (env, max);
		2285	OUTPUT:
		2286	RETVAL
		2287
		2288	int set_lg_max (DB_ENV *env, U32 max)
		2289	CODE:
		2290	RETVAL = env->set_lg_max (env, max);
		2291	OUTPUT:
		2292	RETVAL
		2293
		2294	#if DB_VERSION_MINOR >= 4
		2295
		2296	int mutex_set_max (DB_ENV *env, U32 max)
		2297	CODE:
		2298	RETVAL = env->mutex_set_max (env, max);
		2299	OUTPUT:
		2300	RETVAL
		2301
		2302	int mutex_set_increment (DB_ENV *env, U32 increment)
		2303	CODE:
		2304	RETVAL = env->mutex_set_increment (env, increment);
		2305	OUTPUT:
		2306	RETVAL
		2307
		2308	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2309	CODE:
		2310	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2311	OUTPUT:
		2312	RETVAL
		2313
		2314	int mutex_set_align (DB_ENV *env, U32 align)
		2315	CODE:
		2316	RETVAL = env->mutex_set_align (env, align);
		2317	OUTPUT:
		2318	RETVAL
		2319
		2320	#endif
		2321
		2322	DB_TXN *
		2323	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2324	CODE:
		2325	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2326	if (errno)
		2327	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	#if DB_VERSION_MINOR >= 5
		2332
		2333	DB_TXN *
		2334	cdsgroup_begin (DB_ENV *env)
		2335	CODE:
		2336	errno = env->cdsgroup_begin (env, &RETVAL);
		2337	if (errno)
		2338	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2339	OUTPUT:
		2340	RETVAL
		2341
		2342	#endif
1112		2343
1113	MODULE = BDB PACKAGE = BDB::Db	2344	MODULE = BDB PACKAGE = BDB::Db
1114		2345
		2346	void
		2347	DESTROY (DB_ornuked *db)
		2348	CODE:
		2349	if (db)
		2350	{
		2351	SV *env = (SV *)db->app_private;
		2352	db->close (db, 0);
		2353	SvREFCNT_dec (env);
		2354	}
		2355
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2356	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	2357	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2358	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	2359	OUTPUT:
1119	RETVAL	2360	RETVAL
1120		2361
		2362	int set_pagesize (DB *db, U32 pagesize)
		2363	CODE:
		2364	RETVAL = db->set_pagesize (db, pagesize);
		2365	OUTPUT:
		2366	RETVAL
		2367
1121	int set_flags (DB *db, U32 flags);	2368	int set_flags (DB *db, U32 flags)
1122	CODE:	2369	CODE:
1123	RETVAL = db->set_flags (db, flags);	2370	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	2371	OUTPUT:
1125	RETVAL	2372	RETVAL
1126		2373
…		…
1134	CODE:	2381	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	2382	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	2383	OUTPUT:
1137	RETVAL	2384	RETVAL
1138		2385
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	2386	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	2387	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	2388	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	2389	OUTPUT:
1144	RETVAL	2390	RETVAL
1145		2391
1146	int set_re_delim(DB *db, int delim);	2392	int set_re_delim (DB *db, int delim)
1147	CODE:	2393	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	2394	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	2395	OUTPUT:
1150	RETVAL	2396	RETVAL
1151		2397
…		…
1183	CODE:	2429	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	2430	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	2431	OUTPUT:
1186	RETVAL	2432	RETVAL
1187		2433
		2434	DBC *
		2435	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2436	CODE:
		2437	errno = db->cursor (db, txn, &RETVAL, flags);
		2438	if (errno)
		2439	croak ("DB->cursor: %s", db_strerror (errno));
		2440	OUTPUT:
		2441	RETVAL
1188		2442
		2443	#if DB_VERSION_MINOR >= 3
		2444
		2445	DB_SEQUENCE *
		2446	sequence (DB *db, U32 flags = 0)
		2447	CODE:
		2448	{
		2449	errno = db_sequence_create (&RETVAL, db, flags);
		2450	if (errno)
		2451	croak ("db_sequence_create: %s", db_strerror (errno));
		2452	}
		2453	OUTPUT:
		2454	RETVAL
		2455
		2456	#endif
		2457
		2458
		2459	MODULE = BDB PACKAGE = BDB::Txn
		2460
		2461	void
		2462	DESTROY (DB_TXN_ornuked *txn)
		2463	CODE:
		2464	if (txn)
		2465	txn->abort (txn);
		2466
		2467	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2468	CODE:
		2469	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2470	OUTPUT:
		2471	RETVAL
		2472
		2473	int failed (DB_TXN *txn)
		2474	CODE:
		2475	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2476	OUTPUT:
		2477	RETVAL
		2478
		2479
		2480	MODULE = BDB PACKAGE = BDB::Cursor
		2481
		2482	void
		2483	DESTROY (DBC_ornuked *dbc)
		2484	CODE:
		2485	if (dbc)
		2486	dbc->c_close (dbc);
		2487
		2488	#if DB_VERSION_MINOR >= 6
		2489
		2490	int set_priority (DBC *dbc, int priority)
		2491	CODE:
		2492	dbc->set_priority (dbc, priority);
		2493
		2494	#endif
		2495
		2496	#if DB_VERSION_MINOR >= 3
		2497
		2498	MODULE = BDB PACKAGE = BDB::Sequence
		2499
		2500	void
		2501	DESTROY (DB_SEQUENCE_ornuked *seq)
		2502	CODE:
		2503	if (seq)
		2504	seq->close (seq, 0);
		2505
		2506	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2507	CODE:
		2508	RETVAL = seq->initial_value (seq, value);
		2509	OUTPUT:
		2510	RETVAL
		2511
		2512	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2513	CODE:
		2514	RETVAL = seq->set_cachesize (seq, size);
		2515	OUTPUT:
		2516	RETVAL
		2517
		2518	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2519	CODE:
		2520	RETVAL = seq->set_flags (seq, flags);
		2521	OUTPUT:
		2522	RETVAL
		2523
		2524	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2525	CODE:
		2526	RETVAL = seq->set_range (seq, min, max);
		2527	OUTPUT:
		2528	RETVAL
		2529
		2530	#endif
		2531
		2532

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