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Comparing BDB/BDB.xs (file contents):
Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs.
Revision 1.52 by root, Thu Sep 25 13:44:44 2008 UTC

		1	#include <sys/user.h>
		2	#include <sys/ptrace.h>
		3
		4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		5
1	#include "xthread.h"	6	#include "xthread.h"
2		7
3	#include <errno.h>	8	#include <errno.h>
4		9
5	#include "EXTERN.h"	10	#include "EXTERN.h"
6	#include "perl.h"	11	#include "perl.h"
7	#include "XSUB.h"	12	#include "XSUB.h"
8		13
		14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
		22
9	#include <stddef.h>	23	#include <stddef.h>
10	#include <stdlib.h>	24	#include <stdlib.h>
11	#include <errno.h>	25	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	26	#include <sys/types.h>
14	#include <limits.h>	27	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	28	#include <fcntl.h>
17		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
18	#include <db.h>	35	#include <db.h>
19		36
20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
21	# error you need Berkeley DB 4.5 or newer installed	38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
22	#endif	39	#endif
23		40
24	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
26		43
27	typedef DB_ENV DB_ENV_ornull;	44	typedef DB_ENV DB_ENV_ornull;
28	typedef DB_TXN DB_TXN_ornull;	45	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	46	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	47	typedef DB DB_ornull;
		48
		49	typedef DB_ENV DB_ENV_ornuked;
		50	typedef DB_TXN DB_TXN_ornuked;
		51	typedef DBC DBC_ornuked;
		52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		57	#endif
32		58
33	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
34	typedef char *octetstring;	60	typedef char *bdb_filename;
35		61
36	static SV *prepare_cb;	62	static SV *prepare_cb;
37		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
38	static inline char *	74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
39	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
40	{	118	{
41	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
42	}	120	}
43		121
44	static inline void	122	static void
45	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
46	{	124	{
47	STRLEN len;	125	STRLEN len;
48	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
49		127
…		…
51	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
52	dbt->size = len;	130	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	131	dbt->flags = DB_DBT_REALLOC;
54	}	132	}
55		133
56	static inline void	134	static void
57	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
58	{	136	{
59	if (sv)	137	if (sv)
60	{	138	{
61	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
62	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
63	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
64	}	142	}
65		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
66	free (dbt->data);	145	free (dbt->data);
67	}	146	}
68		147
69	enum {	148	enum {
70	REQ_QUIT,	149	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
73	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
74	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
76	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
77	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	157	};
79		158
80	typedef struct aio_cb	159	typedef struct bdb_cb
81	{	160	{
82	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
83	SV *callback;	162	SV *callback;
84	int type, pri, result;	163	int type, pri, result;
85		164
86	DB_ENV *env;	165	DB_ENV *env;
87	DB *db;	166	DB *db;
…		…
89	DBC *dbc;	168	DBC *dbc;
90		169
91	UV uv1;	170	UV uv1;
92	int int1, int2;	171	int int1, int2;
93	U32 uint1, uint2;	172	U32 uint1, uint2;
94	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
95	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
96		175
97	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
99	DB_SEQUENCE *seq;	179	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	180	db_seq_t seq_t;
101	} aio_cb;	181	#endif
102		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
103	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
104		187
105	enum {	188	enum {
106	PRI_MIN = -4,	189	PRI_MIN = -4,
107	PRI_MAX = 4,	190	PRI_MAX = 4,
108		191
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	195	};
113		196
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		198
		199	static SV *on_next_submit;
		200
116	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
118		203
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
126	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
127		212
128	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
129		214
130	/* worker threads management */	215	/* worker threads management */
131	static mutex_t wrklock = MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
132		217
133	typedef struct worker {	218	typedef struct worker {
134	/* locked by wrklock */	219	/* locked by wrklock */
135	struct worker *prev, *next;	220	struct worker *prev, *next;
136		221
137	thread_t tid;	222	thread_t tid;
138		223
139	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
141	void *dbuf;	226	void *dbuf;
142	DIR *dirp;	227	DIR *dirp;
143	} worker;	228	} worker;
144		229
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	242	}
158		243
159	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		248
164	static mutex_t reslock = MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = COND_INIT;	251	static cond_t reqwait = X_COND_INIT;
167		252
168	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
169		254
170	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
171	{	256	{
172	unsigned int retval;	257	unsigned int retval;
173		258
174	LOCK (reqlock);	259	X_LOCK (reqlock);
175	retval = nready;	260	retval = nready;
176	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
177		262
178	return retval;	263	return retval;
179	}	264	}
180		265
181	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
182	{	267	{
183	unsigned int retval;	268	unsigned int retval;
184		269
185	LOCK (reslock);	270	X_LOCK (reslock);
186	retval = npending;	271	retval = npending;
187	UNLOCK (reslock);	272	X_UNLOCK (reslock);
188		273
189	return retval;	274	return retval;
190	}	275	}
191		276
192	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
193	{	278	{
194	unsigned int retval;	279	unsigned int retval;
195		280
196	LOCK (wrklock);	281	X_LOCK (wrklock);
197	retval = started;	282	retval = started;
198	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
199		284
200	return retval;	285	return retval;
201	}	286	}
202		287
203	#else	288	#else
…		…
212	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
215	*/	300	*/
216	typedef struct {	301	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	303	int size;
219	} reqq;	304	} reqq;
220		305
221	static reqq req_queue;	306	static reqq req_queue;
222	static reqq res_queue;	307	static reqq res_queue;
223		308
224	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
225	{	310	{
226	int pri = req->pri;	311	int pri = req->pri;
227	req->next = 0;	312	req->next = 0;
228		313
229	if (q->qe[pri])	314	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
236		321
237	return q->size++;	322	return q->size++;
238	}	323	}
239		324
240	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
241	{	326	{
242	int pri;	327	int pri;
243		328
244	if (!q->size)	329	if (!q->size)
245	return 0;	330	return 0;
246		331
247	--q->size;	332	--q->size;
248		333
249	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
250	{	335	{
251	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
252		337
253	if (req)	338	if (req)
254	{	339	{
255	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
260	}	345	}
261		346
262	abort ();	347	abort ();
263	}	348	}
264		349
265	static int poll_cb ();	350	static int poll_cb (void);
266	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
268		353
269	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
270	{	355	{
271	dSP;	356	dSP;
272		357
273	if (SvOK (req->callback))	358	if (req->callback)
274	{	359	{
275	ENTER;	360	ENTER;
276	SAVETMPS;	361	SAVETMPS;
277	PUSHMARK (SP);	362	PUSHMARK (SP);
278		363
…		…
292	dbt_to_sv (req->sv1, &req->dbt1);	377	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);	378	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);	379	dbt_to_sv (req->sv3, &req->dbt3);
295	break;	380	break;
296		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
297	case REQ_DB_KEY_RANGE:	388	case REQ_DB_KEY_RANGE:
298	{	389	{
299	AV *av = newAV ();	390	AV *av = newAV ();
300		391
301	av_push (av, newSVnv (req->key_range.less));	392	av_push (av, newSVnv (req->key_range.less));
…		…
306	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
307	SvREFCNT_dec (req->sv1);	398	SvREFCNT_dec (req->sv1);
308	}	399	}
309	break;	400	break;
310		401
		402	#if DB_VERSION_MINOR >= 3
311	case REQ_SEQ_GET:	403	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);	404	SvREADONLY_off (req->sv1);
313		405
314	if (sizeof (IV) > 4)	406	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);	407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
316	else	408	else
317	sv_setnv_mg (req->sv1, req->seq_t);	409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
318		410
319	SvREFCNT_dec (req->sv1);	411	SvREFCNT_dec (req->sv1);
320	break;	412	break;
		413	#endif
321	}	414	}
322		415
323	errno = req->result;	416	errno = req->result;
324		417
325	PUTBACK;	418	PUTBACK;
…		…
331	}	424	}
332		425
333	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
334	}	427	}
335		428
336	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
337	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
338	free (req->buf1);	436	free (req->buf1);
339	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
340	Safefree (req);	440	Safefree (req);
341	}	441	}
342		442
343	static void *aio_proc (void *arg);	443	#ifdef USE_SOCKETS_AS_HANDLES
		444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		445	#else
		446	# define TO_SOCKET(x) (x)
		447	#endif
		448
		449	static void
		450	create_respipe (void)
		451	{
		452	#ifdef _WIN32
		453	int arg; /* argg */
		454	#endif
		455	int old_readfd = respipe [0];
		456
		457	if (respipe [1] >= 0)
		458	respipe_close (TO_SOCKET (respipe [1]));
		459
		460	#ifdef _WIN32
		461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		462	#else
		463	if (pipe (respipe))
		464	#endif
		465	croak ("unable to initialize result pipe");
		466
		467	if (old_readfd >= 0)
		468	{
		469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		470	croak ("unable to initialize result pipe(2)");
		471
		472	respipe_close (respipe [0]);
		473	respipe [0] = old_readfd;
		474	}
		475
		476	#ifdef _WIN32
		477	arg = 1;
		478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		480	#else
		481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		483	#endif
		484	croak ("unable to initialize result pipe(3)");
		485
		486	respipe_osf [0] = TO_SOCKET (respipe [0]);
		487	respipe_osf [1] = TO_SOCKET (respipe [1]);
		488	}
		489
		490	X_THREAD_PROC (bdb_proc);
344		491
345	static void start_thread (void)	492	static void start_thread (void)
346	{	493	{
347	worker *wrk = calloc (1, sizeof (worker));	494	worker *wrk = calloc (1, sizeof (worker));
348		495
349	if (!wrk)	496	if (!wrk)
350	croak ("unable to allocate worker thread data");	497	croak ("unable to allocate worker thread data");
351		498
352	LOCK (wrklock);	499	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	500	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	501	{
355	wrk->prev = &wrk_first;	502	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	503	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	504	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	505	wrk_first.next = wrk;
359	++started;	506	++started;
360	}	507	}
361	else	508	else
362	free (wrk);	509	free (wrk);
363		510
364	UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
365	}	512	}
366		513
367	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
368	{	515	{
369	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
370	return;	517	return;
371		518
372	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	521	return;
375		522
376	start_thread ();	523	start_thread ();
377	}	524	}
378		525
379	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
380	{	527	{
381	SV *wait_callback = 0;	528	SV *wait_callback = 0;
382		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
383	// synthesize callback if none given	543	// synthesize callback if none given
384	if (!SvOK (req->callback))	544	if (!req->callback)
385	{	545	{
		546	int count;
		547
386	dSP;	548	dSP;
387	PUSHMARK (SP);	549	PUSHMARK (SP);
388	PUTBACK;	550	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	551	count = call_sv (prepare_cb, G_ARRAY);
390	SPAGAIN;	552	SPAGAIN;
391		553
392	if (count != 2)	554	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
394		556
395	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
396	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
398	}	559	}
399		560
400	++nreqs;	561	++nreqs;
401		562
402	LOCK (reqlock);	563	X_LOCK (reqlock);
403	++nready;	564	++nready;
404	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
405	COND_SIGNAL (reqwait);	566	X_COND_SIGNAL (reqwait);
406	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
407		568
408	maybe_start_thread ();	569	maybe_start_thread ();
409		570
410	if (wait_callback)	571	if (wait_callback)
411	{	572	{
412	dSP;	573	dSP;
413	PUSHMARK (SP);	574	PUSHMARK (SP);
414	PUTBACK;	575	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	577	}
418	}	578	}
419		579
420	static void end_thread (void)	580	static void end_thread (void)
421	{	581	{
422	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
423
424	Newz (0, req, 1, aio_cb);
425		583
426	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
428		586
429	LOCK (reqlock);	587	X_LOCK (reqlock);
430	reqq_push (&req_queue, req);	588	reqq_push (&req_queue, req);
431	COND_SIGNAL (reqwait);	589	X_COND_SIGNAL (reqwait);
432	UNLOCK (reqlock);	590	X_UNLOCK (reqlock);
433		591
434	LOCK (wrklock);	592	X_LOCK (wrklock);
435	--started;	593	--started;
436	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
437	}	595	}
438		596
439	static void set_max_idle (int nthreads)	597	static void set_max_idle (int nthreads)
440	{	598	{
441	if (WORDACCESS_UNSAFE) LOCK (reqlock);	599	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442	max_idle = nthreads <= 0 ? 1 : nthreads;	600	max_idle = nthreads <= 0 ? 1 : nthreads;
443	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444	}	602	}
445		603
446	static void min_parallel (int nthreads)	604	static void min_parallel (int nthreads)
447	{	605	{
448	if (wanted < nthreads)	606	if (wanted < nthreads)
…		…
456		614
457	while (started > wanted)	615	while (started > wanted)
458	end_thread ();	616	end_thread ();
459	}	617	}
460		618
461	static void poll_wait ()	619	static void poll_wait (void)
462	{	620	{
463	fd_set rfd;	621	fd_set rfd;
464		622
465	while (nreqs)	623	while (nreqs)
466	{	624	{
467	int size;	625	int size;
468	if (WORDACCESS_UNSAFE) LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469	size = res_queue.size;	627	size = res_queue.size;
470	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471		629
472	if (size)	630	if (size)
473	return;	631	return;
474		632
475	maybe_start_thread ();	633	maybe_start_thread ();
476		634
477	FD_ZERO(&rfd);	635	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	636	FD_SET (respipe [0], &rfd);
479		637
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	638	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	639	}
482	}	640	}
483		641
484	static int poll_cb ()	642	static int poll_cb (void)
485	{	643	{
486	dSP;	644	dSP;
487	int count = 0;	645	int count = 0;
488	int maxreqs = max_poll_reqs;	646	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	647	int do_croak = 0;
490	struct timeval tv_start, tv_now;	648	struct timeval tv_start, tv_now;
491	aio_req req;	649	bdb_req req;
492		650
493	if (max_poll_time)	651	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	652	gettimeofday (&tv_start, 0);
495		653
496	for (;;)	654	for (;;)
497	{	655	{
498	for (;;)	656	for (;;)
499	{	657	{
500	maybe_start_thread ();	658	maybe_start_thread ();
501		659
502	LOCK (reslock);	660	X_LOCK (reslock);
503	req = reqq_shift (&res_queue);	661	req = reqq_shift (&res_queue);
504		662
505	if (req)	663	if (req)
506	{	664	{
507	--npending;	665	--npending;
508		666
509	if (!res_queue.size)	667	if (!res_queue.size)
510	{	668	{
511	/* read any signals sent by the worker threads */	669	/* read any signals sent by the worker threads */
512	char buf [4];	670	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	671	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	672	;
515	}	673	}
516	}	674	}
517		675
518	UNLOCK (reslock);	676	X_UNLOCK (reslock);
519		677
520	if (!req)	678	if (!req)
521	break;	679	break;
522		680
523	--nreqs;	681	--nreqs;
…		…
553	}	711	}
554		712
555	return count;	713	return count;
556	}	714	}
557		715
558	static void create_pipe ()
559	{
560	if (pipe (respipe))
561	croak ("unable to initialize result pipe");
562
563	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
564	croak ("cannot set result pipe to nonblocking mode");
565
566	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
567	croak ("cannot set result pipe to nonblocking mode");
568	}
569
570	/*****************************************************************************/	716	/*****************************************************************************/
571		717
572	static void *aio_proc (void *thr_arg)	718	static void
		719	bdb_request (bdb_req req)
573	{	720	{
		721	switch (req->type)
		722	{
		723	case REQ_ENV_OPEN:
		724	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		725	break;
		726
		727	case REQ_ENV_CLOSE:
		728	req->result = req->env->close (req->env, req->uint1);
		729	break;
		730
		731	case REQ_ENV_TXN_CHECKPOINT:
		732	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		733	break;
		734
		735	case REQ_ENV_LOCK_DETECT:
		736	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		737	break;
		738
		739	case REQ_ENV_MEMP_SYNC:
		740	req->result = req->env->memp_sync (req->env, 0);
		741	break;
		742
		743	case REQ_ENV_MEMP_TRICKLE:
		744	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		745	break;
		746
		747	case REQ_ENV_DBREMOVE:
		748	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		749	break;
		750
		751	case REQ_ENV_DBRENAME:
		752	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		753	break;
		754
		755	case REQ_DB_OPEN:
		756	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		757	break;
		758
		759	case REQ_DB_CLOSE:
		760	req->result = req->db->close (req->db, req->uint1);
		761	break;
		762
		763	#if DB_VERSION_MINOR >= 4
		764	case REQ_DB_COMPACT:
		765	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		766	break;
		767	#endif
		768
		769	case REQ_DB_SYNC:
		770	req->result = req->db->sync (req->db, req->uint1);
		771	break;
		772
		773	case REQ_DB_UPGRADE:
		774	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		775	break;
		776
		777	case REQ_DB_PUT:
		778	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		779	break;
		780
		781	#if DB_VERSION_MINOR >= 6
		782	case REQ_DB_EXISTS:
		783	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		784	break;
		785	#endif
		786	case REQ_DB_GET:
		787	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		788	break;
		789
		790	case REQ_DB_PGET:
		791	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_DB_DEL:
		795	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		796	break;
		797
		798	case REQ_DB_KEY_RANGE:
		799	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		800	break;
		801
		802	case REQ_TXN_COMMIT:
		803	req->result = req->txn->commit (req->txn, req->uint1);
		804	break;
		805
		806	case REQ_TXN_ABORT:
		807	req->result = req->txn->abort (req->txn);
		808	break;
		809
		810	case REQ_TXN_FINISH:
		811	if (req->txn->flags & TXN_DEADLOCK)
		812	{
		813	req->result = req->txn->abort (req->txn);
		814	if (!req->result)
		815	req->result = DB_LOCK_DEADLOCK;
		816	}
		817	else
		818	req->result = req->txn->commit (req->txn, req->uint1);
		819	break;
		820
		821	case REQ_C_CLOSE:
		822	req->result = req->dbc->c_close (req->dbc);
		823	break;
		824
		825	case REQ_C_COUNT:
		826	{
		827	db_recno_t recno;
		828	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		829	req->uv1 = recno;
		830	}
		831	break;
		832
		833	case REQ_C_PUT:
		834	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		835	break;
		836
		837	case REQ_C_GET:
		838	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		839	break;
		840
		841	case REQ_C_PGET:
		842	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		843	break;
		844
		845	case REQ_C_DEL:
		846	req->result = req->dbc->c_del (req->dbc, req->uint1);
		847	break;
		848
		849	#if DB_VERSION_MINOR >= 3
		850	case REQ_SEQ_OPEN:
		851	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		852	break;
		853
		854	case REQ_SEQ_CLOSE:
		855	req->result = req->seq->close (req->seq, req->uint1);
		856	break;
		857
		858	case REQ_SEQ_GET:
		859	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_REMOVE:
		863	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		864	break;
		865	#endif
		866
		867	default:
		868	req->result = ENOSYS;
		869	break;
		870	}
		871
		872	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		873	req->txn->flags |= TXN_DEADLOCK;
		874	}
		875
		876	X_THREAD_PROC (bdb_proc)
		877	{
574	aio_req req;	878	bdb_req req;
575	struct timespec ts;	879	struct timespec ts;
576	worker *self = (worker *)thr_arg;	880	worker *self = (worker *)thr_arg;
577		881
578	/* try to distribute timeouts somewhat evenly */	882	/* try to distribute timeouts somewhat evenly */
579	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	883	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580	* (1000000000UL / 1024UL);
581		884
582	for (;;)	885	for (;;)
583	{	886	{
584	ts.tv_sec = time (0) + IDLE_TIMEOUT;	887	ts.tv_sec = time (0) + IDLE_TIMEOUT;
585		888
586	LOCK (reqlock);	889	X_LOCK (reqlock);
587		890
588	for (;;)	891	for (;;)
589	{	892	{
590	self->req = req = reqq_shift (&req_queue);	893	self->req = req = reqq_shift (&req_queue);
591		894
592	if (req)	895	if (req)
593	break;	896	break;
594		897
595	++idle;	898	++idle;
596		899
597	if (COND_TIMEDWAIT (reqwait, reqlock, ts)	900	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598	== ETIMEDOUT)	901	== ETIMEDOUT)
599	{	902	{
600	if (idle > max_idle)	903	if (idle > max_idle)
601	{	904	{
602	--idle;	905	--idle;
603	UNLOCK (reqlock);	906	X_UNLOCK (reqlock);
604	LOCK (wrklock);	907	X_LOCK (wrklock);
605	--started;	908	--started;
606	UNLOCK (wrklock);	909	X_UNLOCK (wrklock);
607	goto quit;	910	goto quit;
608	}	911	}
609		912
610	/* we are allowed to idle, so do so without any timeout */	913	/* we are allowed to idle, so do so without any timeout */
611	COND_WAIT (reqwait, reqlock);	914	X_COND_WAIT (reqwait, reqlock);
612	ts.tv_sec = time (0) + IDLE_TIMEOUT;	915	ts.tv_sec = time (0) + IDLE_TIMEOUT;
613	}	916	}
614		917
615	--idle;	918	--idle;
616	}	919	}
617		920
618	--nready;	921	--nready;
619		922
620	UNLOCK (reqlock);	923	X_UNLOCK (reqlock);
621		924
622	switch (req->type)	925	if (req->type == REQ_QUIT)
623	{	926	{
624	case REQ_QUIT:	927	X_LOCK (reslock);
		928	free (req);
		929	self->req = 0;
		930	X_UNLOCK (reslock);
		931
625	goto quit;	932	goto quit;
626
627	case REQ_ENV_OPEN:
628	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
629	break;
630
631	case REQ_ENV_CLOSE:
632	req->result = req->env->close (req->env, req->uint1);
633	break;
634
635	case REQ_ENV_TXN_CHECKPOINT:
636	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
637	break;
638
639	case REQ_ENV_LOCK_DETECT:
640	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
641	break;
642
643	case REQ_ENV_MEMP_SYNC:
644	req->result = req->env->memp_sync (req->env, 0);
645	break;
646
647	case REQ_ENV_MEMP_TRICKLE:
648	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
649	break;
650
651	case REQ_DB_OPEN:
652	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
653	break;
654
655	case REQ_DB_CLOSE:
656	req->result = req->db->close (req->db, req->uint1);
657	break;
658
659	case REQ_DB_COMPACT:
660	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
661	break;
662
663	case REQ_DB_SYNC:
664	req->result = req->db->sync (req->db, req->uint1);
665	break;
666
667	case REQ_DB_PUT:
668	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
669	break;
670
671	case REQ_DB_GET:
672	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
673	break;
674
675	case REQ_DB_PGET:
676	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
677	break;
678
679	case REQ_DB_DEL:
680	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
681	break;
682
683	case REQ_DB_KEY_RANGE:
684	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
685	break;
686
687	case REQ_TXN_COMMIT:
688	req->result = req->txn->commit (req->txn, req->uint1);
689	break;
690
691	case REQ_TXN_ABORT:
692	req->result = req->txn->abort (req->txn);
693	break;
694
695	case REQ_C_CLOSE:
696	req->result = req->dbc->c_close (req->dbc);
697	break;
698
699	case REQ_C_COUNT:
700	{
701	db_recno_t recno;
702	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
703	req->uv1 = recno;
704	}
705	break;
706
707	case REQ_C_PUT:
708	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
709	break;
710
711	case REQ_C_GET:
712	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
713	break;
714
715	case REQ_C_PGET:
716	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
717	break;
718
719	case REQ_C_DEL:
720	req->result = req->dbc->c_del (req->dbc, req->uint1);
721	break;
722
723	case REQ_SEQ_OPEN:
724	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
725	break;
726
727	case REQ_SEQ_CLOSE:
728	req->result = req->seq->close (req->seq, req->uint1);
729	break;
730
731	case REQ_SEQ_GET:
732	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
733	break;
734
735	case REQ_SEQ_REMOVE:
736	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
737	break;
738
739	default:
740	req->result = ENOSYS;
741	break;
742	}	933	}
743		934
		935	bdb_request (req);
		936
744	LOCK (reslock);	937	X_LOCK (reslock);
745		938
746	++npending;	939	++npending;
747		940
748	if (!reqq_push (&res_queue, req))	941	if (!reqq_push (&res_queue, req))
749	/* write a dummy byte to the pipe so fh becomes ready */	942	/* write a dummy byte to the pipe so fh becomes ready */
750	write (respipe [1], &respipe, 1);	943	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751		944
752	self->req = 0;	945	self->req = 0;
753	worker_clear (self);	946	worker_clear (self);
754		947
755	UNLOCK (reslock);	948	X_UNLOCK (reslock);
756	}	949	}
757		950
758	quit:	951	quit:
759	LOCK (wrklock);	952	X_LOCK (wrklock);
760	worker_free (self);	953	worker_free (self);
761	UNLOCK (wrklock);	954	X_UNLOCK (wrklock);
762		955
763	return 0;	956	return 0;
764	}	957	}
765		958
766	/*****************************************************************************/	959	/*****************************************************************************/
767		960
768	static void atfork_prepare (void)	961	static void atfork_prepare (void)
769	{	962	{
770	LOCK (wrklock);	963	X_LOCK (wrklock);
771	LOCK (reqlock);	964	X_LOCK (reqlock);
772	LOCK (reslock);	965	X_LOCK (reslock);
773	}	966	}
774		967
775	static void atfork_parent (void)	968	static void atfork_parent (void)
776	{	969	{
777	UNLOCK (reslock);	970	X_UNLOCK (reslock);
778	UNLOCK (reqlock);	971	X_UNLOCK (reqlock);
779	UNLOCK (wrklock);	972	X_UNLOCK (wrklock);
780	}	973	}
781		974
782	static void atfork_child (void)	975	static void atfork_child (void)
783	{	976	{
784	aio_req prv;	977	bdb_req prv;
785		978
786	while (prv = reqq_shift (&req_queue))	979	while (prv = reqq_shift (&req_queue))
787	req_free (prv);	980	req_free (prv);
788		981
789	while (prv = reqq_shift (&res_queue))	982	while (prv = reqq_shift (&res_queue))
…		…
804	idle = 0;	997	idle = 0;
805	nreqs = 0;	998	nreqs = 0;
806	nready = 0;	999	nready = 0;
807	npending = 0;	1000	npending = 0;
808		1001
809	close (respipe [0]);
810	close (respipe [1]);
811	create_pipe ();	1002	create_respipe ();
812		1003
813	atfork_parent ();	1004	atfork_parent ();
814	}	1005	}
815		1006
816	#define dREQ(reqtype) \	1007	#define dREQ(reqtype,rsvcnt) \
817	aio_req req; \	1008	bdb_req req; \
818	int req_pri = next_pri; \	1009	int req_pri = next_pri; \
819	next_pri = DEFAULT_PRI + PRI_BIAS; \	1010	next_pri = DEFAULT_PRI + PRI_BIAS; \
820	\	1011	\
821	if (SvOK (callback) && !SvROK (callback)) \	1012	if (callback && SvOK (callback)) \
822	croak ("callback must be undef or of reference type"); \	1013	croak ("callback has illegal type or extra arguments"); \
823	\	1014	\
824	Newz (0, req, 1, aio_cb); \	1015	Newz (0, req, 1, bdb_cb); \
825	if (!req) \	1016	if (!req) \
826	croak ("out of memory during aio_req allocation"); \	1017	croak ("out of memory during bdb_req allocation"); \
827	\	1018	\
828	req->callback = newSVsv (callback); \	1019	req->callback = SvREFCNT_inc (cb); \
829	req->type = (reqtype); \	1020	req->type = (reqtype); \
830	req->pri = req_pri	1021	req->pri = req_pri; \
		1022	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1023	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1024	(void)0;
831		1025
832	#define REQ_SEND \	1026	#define REQ_SEND \
833	req_send (req)	1027	req_send (req)
834		1028
835	#define SvPTR(var, arg, type, class, nullok) \	1029	#define SvPTR(var, arg, type, class, nullok) \
836	if (!SvOK (arg)) \	1030	if (!SvOK (arg)) \
837	{ \	1031	{ \
838	if (!nullok) \	1032	if (nullok != 1) \
839	croak (# var " must be a " # class " object, not undef"); \	1033	croak (# var " must be a " # class " object, not undef"); \
840	\	1034	\
841	(var) = 0; \	1035	(var) = 0; \
842	} \	1036	} \
843	else if (sv_derived_from ((arg), # class)) \	1037	else if (sv_derived_from ((arg), # class)) \
844	{ \	1038	{ \
845	IV tmp = SvIV ((SV*) SvRV (arg)); \	1039	IV tmp = SvIV ((SV*) SvRV (arg)); \
846	(var) = INT2PTR (type, tmp); \	1040	(var) = INT2PTR (type, tmp); \
847	if (!var) \	1041	if (!var && nullok != 2) \
848	croak (# var " is not a valid " # class " object anymore"); \	1042	croak (# var " is not a valid " # class " object anymore"); \
849	} \	1043	} \
850	else \	1044	else \
851	croak (# var " is not of type " # class); \	1045	croak (# var " is not of type " # class);
852	\
853		1046
854	static void	1047	static void
855	ptr_nuke (SV *sv)	1048	ptr_nuke (SV *sv)
856	{	1049	{
857	assert (SvROK (sv));	1050	assert (SvROK (sv));
858	sv_setiv (SvRV (sv), 0);	1051	sv_setiv (SvRV (sv), 0);
859	}	1052	}
		1053
		1054	static int
		1055	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1056	{
		1057	if (*mg->mg_ptr == '!') // should always be the case
		1058	if (-30999 <= errno && errno <= -30800)
		1059	{
		1060	sv_setnv (sv, (NV)errno);
		1061	sv_setpv (sv, db_strerror (errno));
		1062	SvNOK_on (sv); /* what a wonderful hack! */
		1063	// ^^^ copied from perl sources
		1064	return 0;
		1065	}
		1066
		1067	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1068	}
		1069
		1070	static MGVTBL vtbl_errno;
		1071
		1072	// this wonderful hack :( patches perl's $! variable to support our errno values
		1073	static void
		1074	patch_errno (void)
		1075	{
		1076	SV *sv;
		1077	MAGIC *mg;
		1078
		1079	if (!(sv = get_sv ("!", 1)))
		1080	return;
		1081
		1082	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1083	return;
		1084
		1085	if (mg->mg_virtual != &PL_vtbl_sv)
		1086	return;
		1087
		1088	vtbl_errno = PL_vtbl_sv;
		1089	vtbl_errno.svt_get = errno_get;
		1090	mg->mg_virtual = &vtbl_errno;
		1091	}
		1092
		1093	#if __GNUC__ >= 4
		1094	# define noinline __attribute__ ((noinline))
		1095	#else
		1096	# define noinline
		1097	#endif
		1098
		1099	static noinline SV *
		1100	pop_callback (I32 *ritems, SV *sv)
		1101	{
		1102	if (SvROK (sv))
		1103	{
		1104	HV *st;
		1105	GV *gvp;
		1106	CV *cv;
		1107	const char *name;
		1108
		1109	/* forgive me */
		1110	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1111	&& (st = SvSTASH (SvRV (sv)))
		1112	&& (name = HvNAME_get (st))
		1113	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1114	return 0;
		1115
		1116	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1117	{
		1118	--*ritems;
		1119	return (SV *)cv;
		1120	}
		1121	}
		1122
		1123	return 0;
		1124	}
		1125
		1126	/* stupid windoes defined CALLBACK as well */
		1127	#undef CALLBACK
		1128	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
860		1129
861	MODULE = BDB PACKAGE = BDB	1130	MODULE = BDB PACKAGE = BDB
862		1131
863	PROTOTYPES: ENABLE	1132	PROTOTYPES: ENABLE
864		1133
…		…
880	const_iv (INIT_TXN)	1149	const_iv (INIT_TXN)
881	const_iv (RECOVER)	1150	const_iv (RECOVER)
882	const_iv (INIT_TXN)	1151	const_iv (INIT_TXN)
883	const_iv (RECOVER_FATAL)	1152	const_iv (RECOVER_FATAL)
884	const_iv (CREATE)	1153	const_iv (CREATE)
		1154	const_iv (RDONLY)
885	const_iv (USE_ENVIRON)	1155	const_iv (USE_ENVIRON)
886	const_iv (USE_ENVIRON_ROOT)	1156	const_iv (USE_ENVIRON_ROOT)
887	const_iv (LOCKDOWN)	1157	const_iv (LOCKDOWN)
888	const_iv (PRIVATE)	1158	const_iv (PRIVATE)
889	const_iv (REGISTER)
890	const_iv (SYSTEM_MEM)	1159	const_iv (SYSTEM_MEM)
891	const_iv (AUTO_COMMIT)	1160	const_iv (AUTO_COMMIT)
892	const_iv (CDB_ALLDB)	1161	const_iv (CDB_ALLDB)
893	const_iv (DIRECT_DB)	1162	const_iv (DIRECT_DB)
894	const_iv (DIRECT_LOG)
895	const_iv (DSYNC_DB)
896	const_iv (DSYNC_LOG)
897	const_iv (LOG_AUTOREMOVE)
898	const_iv (LOG_INMEMORY)
899	const_iv (NOLOCKING)	1163	const_iv (NOLOCKING)
900	const_iv (MULTIVERSION)
901	const_iv (NOMMAP)	1164	const_iv (NOMMAP)
902	const_iv (NOPANIC)	1165	const_iv (NOPANIC)
903	const_iv (OVERWRITE)	1166	const_iv (OVERWRITE)
904	const_iv (PANIC_ENVIRONMENT)	1167	const_iv (PANIC_ENVIRONMENT)
905	const_iv (REGION_INIT)	1168	const_iv (REGION_INIT)
906	const_iv (TIME_NOTGRANTED)	1169	const_iv (TIME_NOTGRANTED)
907	const_iv (TXN_NOSYNC)	1170	const_iv (TXN_NOSYNC)
908	const_iv (TXN_SNAPSHOT)	1171	const_iv (TXN_NOT_DURABLE)
909	const_iv (TXN_WRITE_NOSYNC)	1172	const_iv (TXN_WRITE_NOSYNC)
910	const_iv (WRITECURSOR)	1173	const_iv (WRITECURSOR)
911	const_iv (YIELDCPU)	1174	const_iv (YIELDCPU)
912	const_iv (ENCRYPT_AES)	1175	const_iv (ENCRYPT_AES)
913	const_iv (XA_CREATE)	1176	const_iv (XA_CREATE)
…		…
915	const_iv (HASH)	1178	const_iv (HASH)
916	const_iv (QUEUE)	1179	const_iv (QUEUE)
917	const_iv (RECNO)	1180	const_iv (RECNO)
918	const_iv (UNKNOWN)	1181	const_iv (UNKNOWN)
919	const_iv (EXCL)	1182	const_iv (EXCL)
920	const_iv (READ_COMMITTED)
921	const_iv (READ_UNCOMMITTED)
922	const_iv (TRUNCATE)	1183	const_iv (TRUNCATE)
923	const_iv (NOSYNC)	1184	const_iv (NOSYNC)
924	const_iv (CHKSUM)	1185	const_iv (CHKSUM)
925	const_iv (ENCRYPT)	1186	const_iv (ENCRYPT)
926	const_iv (TXN_NOT_DURABLE)
927	const_iv (DUP)	1187	const_iv (DUP)
928	const_iv (DUPSORT)	1188	const_iv (DUPSORT)
929	const_iv (RECNUM)	1189	const_iv (RECNUM)
930	const_iv (RENUMBER)	1190	const_iv (RENUMBER)
931	const_iv (REVSPLITOFF)	1191	const_iv (REVSPLITOFF)
932	const_iv (INORDER)
933	const_iv (CONSUME)	1192	const_iv (CONSUME)
934	const_iv (CONSUME_WAIT)	1193	const_iv (CONSUME_WAIT)
935	const_iv (GET_BOTH)	1194	const_iv (GET_BOTH)
936	const_iv (GET_BOTH_RANGE)	1195	const_iv (GET_BOTH_RANGE)
937	//const_iv (SET_RECNO)	1196	//const_iv (SET_RECNO)
938	//const_iv (MULTIPLE)	1197	//const_iv (MULTIPLE)
939	const_iv (SNAPSHOT)	1198	const_iv (SNAPSHOT)
940	const_iv (JOIN_ITEM)	1199	const_iv (JOIN_ITEM)
		1200	const_iv (JOIN_NOSORT)
941	const_iv (RMW)	1201	const_iv (RMW)
942		1202
943	const_iv (NOTFOUND)	1203	const_iv (NOTFOUND)
944	const_iv (KEYEMPTY)	1204	const_iv (KEYEMPTY)
945	const_iv (LOCK_DEADLOCK)	1205	const_iv (LOCK_DEADLOCK)
946	const_iv (LOCK_NOTGRANTED)	1206	const_iv (LOCK_NOTGRANTED)
947	const_iv (RUNRECOVERY)	1207	const_iv (RUNRECOVERY)
948	const_iv (OLD_VERSION)	1208	const_iv (OLD_VERSION)
949	const_iv (REP_HANDLE_DEAD)	1209	const_iv (REP_HANDLE_DEAD)
950	const_iv (REP_LOCKOUT)
951	const_iv (SECONDARY_BAD)	1210	const_iv (SECONDARY_BAD)
952
953	const_iv (FREE_SPACE)
954	const_iv (FREELIST_ONLY)
955		1211
956	const_iv (APPEND)	1212	const_iv (APPEND)
957	const_iv (NODUPDATA)	1213	const_iv (NODUPDATA)
958	const_iv (NOOVERWRITE)	1214	const_iv (NOOVERWRITE)
959		1215
960	const_iv (TXN_NOWAIT)	1216	const_iv (TXN_NOWAIT)
961	const_iv (TXN_SNAPSHOT)
962	const_iv (TXN_SYNC)	1217	const_iv (TXN_SYNC)
963		1218
964	const_iv (SET_LOCK_TIMEOUT)	1219	const_iv (SET_LOCK_TIMEOUT)
965	const_iv (SET_TXN_TIMEOUT)	1220	const_iv (SET_TXN_TIMEOUT)
966		1221
967	const_iv (JOIN_ITEM)
968	const_iv (FIRST)	1222	const_iv (FIRST)
969	const_iv (NEXT)	1223	const_iv (NEXT)
970	const_iv (NEXT_DUP)	1224	const_iv (NEXT_DUP)
971	const_iv (NEXT_NODUP)	1225	const_iv (NEXT_NODUP)
972	const_iv (PREV)	1226	const_iv (PREV)
…		…
984	const_iv (FORCE)	1238	const_iv (FORCE)
985		1239
986	const_iv (LOCK_DEFAULT)	1240	const_iv (LOCK_DEFAULT)
987	const_iv (LOCK_EXPIRE)	1241	const_iv (LOCK_EXPIRE)
988	const_iv (LOCK_MAXLOCKS)	1242	const_iv (LOCK_MAXLOCKS)
989	const_iv (LOCK_MAXWRITE)
990	const_iv (LOCK_MINLOCKS)	1243	const_iv (LOCK_MINLOCKS)
991	const_iv (LOCK_MINWRITE)	1244	const_iv (LOCK_MINWRITE)
992	const_iv (LOCK_OLDEST)	1245	const_iv (LOCK_OLDEST)
993	const_iv (LOCK_RANDOM)	1246	const_iv (LOCK_RANDOM)
994	const_iv (LOCK_YOUNGEST)	1247	const_iv (LOCK_YOUNGEST)
995		1248
		1249	const_iv (DONOTINDEX)
		1250	const_iv (KEYEMPTY )
		1251	const_iv (KEYEXIST )
		1252	const_iv (LOCK_DEADLOCK)
		1253	const_iv (LOCK_NOTGRANTED)
		1254	const_iv (NOSERVER)
		1255	const_iv (NOSERVER_HOME)
		1256	const_iv (NOSERVER_ID)
		1257	const_iv (NOTFOUND)
		1258	const_iv (PAGE_NOTFOUND)
		1259	const_iv (REP_DUPMASTER)
		1260	const_iv (REP_HANDLE_DEAD)
		1261	const_iv (REP_HOLDELECTION)
		1262	const_iv (REP_ISPERM)
		1263	const_iv (REP_NEWMASTER)
		1264	const_iv (REP_NEWSITE)
		1265	const_iv (REP_NOTPERM)
		1266	const_iv (REP_UNAVAIL)
		1267	const_iv (RUNRECOVERY)
		1268	const_iv (SECONDARY_BAD)
		1269	const_iv (VERIFY_BAD)
		1270
		1271	const_iv (VERB_DEADLOCK)
		1272	const_iv (VERB_RECOVERY)
		1273	const_iv (VERB_REPLICATION)
		1274	const_iv (VERB_WAITSFOR)
		1275
		1276	const_iv (VERSION_MAJOR)
		1277	const_iv (VERSION_MINOR)
		1278	const_iv (VERSION_PATCH)
		1279	#if DB_VERSION_MINOR >= 3
		1280	const_iv (INORDER)
		1281	const_iv (LOCK_MAXWRITE)
996	const_iv (SEQ_DEC)	1282	const_iv (SEQ_DEC)
997	const_iv (SEQ_INC)	1283	const_iv (SEQ_INC)
998	const_iv (SEQ_WRAP)	1284	const_iv (SEQ_WRAP)
		1285	const_iv (BUFFER_SMALL)
		1286	const_iv (LOG_BUFFER_FULL)
		1287	const_iv (VERSION_MISMATCH)
		1288	#endif
		1289	#if DB_VERSION_MINOR >= 4
		1290	const_iv (REGISTER)
		1291	const_iv (DSYNC_DB)
		1292	const_iv (READ_COMMITTED)
		1293	const_iv (READ_UNCOMMITTED)
		1294	const_iv (REP_IGNORE)
		1295	const_iv (REP_LOCKOUT)
		1296	const_iv (REP_JOIN_FAILURE)
		1297	const_iv (FREE_SPACE)
		1298	const_iv (FREELIST_ONLY)
		1299	const_iv (VERB_REGISTER)
		1300	#endif
		1301	#if DB_VERSION_MINOR >= 5
		1302	const_iv (MULTIVERSION)
		1303	const_iv (TXN_SNAPSHOT)
		1304	#endif
		1305	#if DB_VERSION_MINOR >= 6
		1306	const_iv (PREV_DUP)
		1307	const_iv (PRIORITY_UNCHANGED)
		1308	const_iv (PRIORITY_VERY_LOW)
		1309	const_iv (PRIORITY_LOW)
		1310	const_iv (PRIORITY_DEFAULT)
		1311	const_iv (PRIORITY_HIGH)
		1312	const_iv (PRIORITY_VERY_HIGH)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 7
		1315	const_iv (LOG_DIRECT)
		1316	const_iv (LOG_DSYNC)
		1317	const_iv (LOG_AUTO_REMOVE)
		1318	const_iv (LOG_IN_MEMORY)
		1319	const_iv (LOG_ZERO)
		1320	#else
		1321	const_iv (DIRECT_LOG)
		1322	const_iv (LOG_AUTOREMOVE)
		1323	# if DB_VERSION_MINOR >= 3
		1324	const_iv (DSYNC_LOG)
		1325	const_iv (LOG_INMEMORY)
		1326	# endif
		1327	#endif
999	};	1328	};
1000		1329
1001	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1330	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1331	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003		1332
1004	create_pipe ();	1333	{
		1334	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1335	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1336
		1337	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1338	}
		1339
		1340	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1341
		1342	create_respipe ();
		1343
1005	ATFORK (atfork_prepare, atfork_parent, atfork_child);	1344	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1345	patch_errno ();
1006	}	1346	}
1007		1347
1008	void	1348	void
1009	max_poll_reqs (int nreqs)	1349	max_poll_reqs (int nreqs)
1010	PROTOTYPE: $	1350	PROTOTYPE: $
…		…
1129		1469
1130	int	1470	int
1131	nthreads ()	1471	nthreads ()
1132	PROTOTYPE:	1472	PROTOTYPE:
1133	CODE:	1473	CODE:
1134	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1474	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135	RETVAL = started;	1475	RETVAL = started;
1136	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1476	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137	OUTPUT:	1477	OUTPUT:
1138	RETVAL	1478	RETVAL
1139		1479
1140	void	1480	void
1141	set_sync_prepare (SV *cb)	1481	set_sync_prepare (SV *cb)
1142	PROTOTYPE: &	1482	PROTOTYPE: &
1143	CODE:	1483	CODE:
1144	SvREFCNT_dec (prepare_cb);	1484	SvREFCNT_dec (prepare_cb);
1145	prepare_cb = newSVsv (cb);	1485	prepare_cb = newSVsv (cb);
1146		1486
		1487	char *
		1488	strerror (int errorno = errno)
		1489	PROTOTYPE: ;$
		1490	CODE:
		1491	RETVAL = db_strerror (errorno);
		1492	OUTPUT:
		1493	RETVAL
		1494
		1495	void _on_next_submit (SV *cb)
		1496	CODE:
		1497	SvREFCNT_dec (on_next_submit);
		1498	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1147		1499
1148	DB_ENV *	1500	DB_ENV *
1149	db_env_create (U32 env_flags = 0)	1501	db_env_create (U32 env_flags = 0)
1150	CODE:	1502	CODE:
1151	{	1503	{
1152	errno = db_env_create (&RETVAL, env_flags);	1504	errno = db_env_create (&RETVAL, env_flags);
1153	if (errno)	1505	if (errno)
1154	croak ("db_env_create: %s", db_strerror (errno));	1506	croak ("db_env_create: %s", db_strerror (errno));
		1507
		1508	if (0)
		1509	{
		1510	RETVAL->set_errcall (RETVAL, debug_errcall);
		1511	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1512	}
1155	}	1513	}
1156	OUTPUT:	1514	OUTPUT:
1157	RETVAL	1515	RETVAL
1158		1516
1159	void	1517	void
1160	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1518	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1519	PREINIT:
		1520	CALLBACK
1161	CODE:	1521	CODE:
1162	{	1522	{
1163	env->set_thread_count (env, get_nthreads ());
1164
1165	dREQ (REQ_ENV_OPEN);	1523	dREQ (REQ_ENV_OPEN, 1);
1166	req->env = env;	1524	req->env = env;
1167	req->uint1 = open_flags | DB_THREAD;	1525	req->uint1 = open_flags | DB_THREAD;
1168	req->int1 = mode;	1526	req->int1 = mode;
1169	req->buf1 = strdup_ornull (db_home);	1527	req->buf1 = strdup_ornull (db_home);
1170	REQ_SEND;	1528	REQ_SEND;
1171	}	1529	}
1172		1530
1173	void	1531	void
1174	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1532	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1533	PREINIT:
		1534	CALLBACK
1175	CODE:	1535	CODE:
1176	{	1536	{
1177	dREQ (REQ_ENV_CLOSE);	1537	dREQ (REQ_ENV_CLOSE, 1);
1178	req->env = env;	1538	req->env = env;
1179	req->uint1 = flags;	1539	req->uint1 = flags;
1180	REQ_SEND;	1540	REQ_SEND;
1181	ptr_nuke (ST (0));	1541	ptr_nuke (ST (0));
1182	}	1542	}
1183		1543
1184	void	1544	void
1185	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1545	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1546	PREINIT:
		1547	CALLBACK
1186	CODE:	1548	CODE:
1187	{	1549	{
1188	dREQ (REQ_ENV_TXN_CHECKPOINT);	1550	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1189	req->env = env;	1551	req->env = env;
1190	req->uint1 = kbyte;	1552	req->uint1 = kbyte;
1191	req->int1 = min;	1553	req->int1 = min;
1192	req->uint2 = flags;	1554	req->uint2 = flags;
1193	REQ_SEND;	1555	REQ_SEND;
1194	}	1556	}
1195		1557
1196	void	1558	void
1197	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1559	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1560	PREINIT:
		1561	CALLBACK
1198	CODE:	1562	CODE:
1199	{	1563	{
1200	dREQ (REQ_ENV_LOCK_DETECT);	1564	dREQ (REQ_ENV_LOCK_DETECT, 1);
1201	req->env = env;	1565	req->env = env;
1202	req->uint1 = flags;	1566	req->uint1 = flags;
1203	req->uint2 = atype;	1567	req->uint2 = atype;
		1568	/* req->int2 = 0; dummy */
1204	REQ_SEND;	1569	REQ_SEND;
1205	}	1570	}
1206		1571
1207	void	1572	void
1208	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1573	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1574	PREINIT:
		1575	CALLBACK
1209	CODE:	1576	CODE:
1210	{	1577	{
1211	dREQ (REQ_ENV_MEMP_SYNC);	1578	dREQ (REQ_ENV_MEMP_SYNC, 1);
1212	req->env = env;	1579	req->env = env;
1213	REQ_SEND;	1580	REQ_SEND;
1214	}	1581	}
1215		1582
1216	void	1583	void
1217	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1584	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1585	PREINIT:
		1586	CALLBACK
1218	CODE:	1587	CODE:
1219	{	1588	{
1220	dREQ (REQ_ENV_MEMP_TRICKLE);	1589	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1221	req->env = env;	1590	req->env = env;
1222	req->int1 = percent;	1591	req->int1 = percent;
1223	REQ_SEND;	1592	REQ_SEND;
1224	}	1593	}
1225		1594
		1595	void
		1596	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1597	PREINIT:
		1598	CALLBACK
		1599	CODE:
		1600	{
		1601	dREQ (REQ_ENV_DBREMOVE, 2);
		1602	req->env = env;
		1603	req->buf1 = strdup_ornull (file);
		1604	req->buf2 = strdup_ornull (database);
		1605	req->uint1 = flags;
		1606	REQ_SEND;
		1607	}
		1608
		1609	void
		1610	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)
		1611	PREINIT:
		1612	CALLBACK
		1613	CODE:
		1614	{
		1615	dREQ (REQ_ENV_DBRENAME, 2);
		1616	req->env = env;
		1617	req->buf1 = strdup_ornull (file);
		1618	req->buf2 = strdup_ornull (database);
		1619	req->buf3 = strdup_ornull (newname);
		1620	req->uint1 = flags;
		1621	REQ_SEND;
		1622	}
1226		1623
1227	DB *	1624	DB *
1228	db_create (DB_ENV *env = 0, U32 flags = 0)	1625	db_create (DB_ENV *env = 0, U32 flags = 0)
1229	CODE:	1626	CODE:
1230	{	1627	{
…		…
1237	}	1634	}
1238	OUTPUT:	1635	OUTPUT:
1239	RETVAL	1636	RETVAL
1240		1637
1241	void	1638	void
1242	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1639	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1640	PREINIT:
		1641	CALLBACK
1243	CODE:	1642	CODE:
1244	{	1643	{
1245	dREQ (REQ_DB_OPEN);	1644	dREQ (REQ_DB_OPEN, 2);
1246	req->db = db;	1645	req->db = db;
1247	req->txn = txnid;	1646	req->txn = txnid;
1248	req->buf1 = strdup_ornull (file);	1647	req->buf1 = strdup_ornull (file);
1249	req->buf2 = strdup_ornull (database);	1648	req->buf2 = strdup_ornull (database);
1250	req->int1 = type;	1649	req->int1 = type;
…		…
1252	req->int2 = mode;	1651	req->int2 = mode;
1253	REQ_SEND;	1652	REQ_SEND;
1254	}	1653	}
1255		1654
1256	void	1655	void
1257	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1656	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
1258	CODE:	1659	CODE:
1259	{	1660	{
1260	dREQ (REQ_DB_CLOSE);	1661	dREQ (REQ_DB_CLOSE, 1);
1261	req->db = db;	1662	req->db = db;
1262	req->uint1 = flags;	1663	req->uint1 = flags;
1263	req->sv1 = (SV *)db->app_private;	1664	req->sv1 = (SV *)db->app_private;
1264	REQ_SEND;	1665	REQ_SEND;
1265	ptr_nuke (ST (0));	1666	ptr_nuke (ST (0));
1266	}	1667	}
1267		1668
		1669	#if DB_VERSION_MINOR >= 4
		1670
1268	void	1671	void
1269	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 = &PL_sv_undef)	1672	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)
		1673	PREINIT:
		1674	CALLBACK
1270	CODE:	1675	CODE:
1271	{	1676	{
1272	dREQ (REQ_DB_COMPACT);	1677	dREQ (REQ_DB_COMPACT, 2);
1273	req->db = db;	1678	req->db = db;
1274	req->txn = txn;	1679	req->txn = txn;
1275	sv_to_dbt (&req->dbt1, start);	1680	sv_to_dbt (&req->dbt1, start);
1276	sv_to_dbt (&req->dbt2, stop);	1681	sv_to_dbt (&req->dbt2, stop);
1277	req->uint1 = flags;	1682	req->uint1 = flags;
1278	REQ_SEND;	1683	REQ_SEND;
1279	}	1684	}
1280		1685
		1686	#endif
		1687
1281	void	1688	void
1282	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1689	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1690	PREINIT:
		1691	CALLBACK
1283	CODE:	1692	CODE:
1284	{	1693	{
1285	dREQ (REQ_DB_SYNC);	1694	dREQ (REQ_DB_SYNC, 1);
1286	req->db = db;	1695	req->db = db;
1287	req->uint1 = flags;	1696	req->uint1 = flags;
1288	REQ_SEND;	1697	REQ_SEND;
1289	}	1698	}
1290		1699
1291	void	1700	void
		1701	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1702	PREINIT:
		1703	CALLBACK
		1704	CODE:
		1705	{
		1706	dREQ (REQ_DB_SYNC, 1);
		1707	req->db = db;
		1708	req->buf1 = strdup (file);
		1709	req->uint1 = flags;
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
1292	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1714	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1715	PREINIT:
		1716	CALLBACK
1293	CODE:	1717	CODE:
1294	{	1718	{
1295	dREQ (REQ_DB_KEY_RANGE);	1719	dREQ (REQ_DB_KEY_RANGE, 2);
1296	req->db = db;	1720	req->db = db;
1297	req->txn = txn;	1721	req->txn = txn;
1298	sv_to_dbt (&req->dbt1, key);	1722	sv_to_dbt (&req->dbt1, key);
1299	req->uint1 = flags;	1723	req->uint1 = flags;
1300	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1724	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1301	REQ_SEND;	1725	REQ_SEND;
1302	}	1726	}
1303		1727
1304	void	1728	void
1305	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1729	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1730	PREINIT:
		1731	CALLBACK
1306	CODE:	1732	CODE:
1307	{	1733	{
1308	dREQ (REQ_DB_PUT);	1734	dREQ (REQ_DB_PUT, 2);
1309	req->db = db;	1735	req->db = db;
1310	req->txn = txn;	1736	req->txn = txn;
1311	sv_to_dbt (&req->dbt1, key);	1737	sv_to_dbt (&req->dbt1, key);
1312	sv_to_dbt (&req->dbt2, data);	1738	sv_to_dbt (&req->dbt2, data);
1313	req->uint1 = flags;	1739	req->uint1 = flags;
1314	REQ_SEND;	1740	REQ_SEND;
1315	}	1741	}
1316		1742
		1743	#if DB_VERSION_MINOR >= 6
		1744
1317	void	1745	void
		1746	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
		1749	CODE:
		1750	{
		1751	dREQ (REQ_DB_EXISTS, 2);
		1752	req->db = db;
		1753	req->txn = txn;
		1754	req->uint1 = flags;
		1755	sv_to_dbt (&req->dbt1, key);
		1756	REQ_SEND;
		1757	}
		1758
		1759	#endif
		1760
		1761	void
1318	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1762	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1763	PREINIT:
		1764	CALLBACK
1319	CODE:	1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_get");
1320	{	1768	{
1321	dREQ (REQ_DB_GET);	1769	dREQ (REQ_DB_GET, 2);
1322	req->db = db;	1770	req->db = db;
1323	req->txn = txn;	1771	req->txn = txn;
1324	req->uint1 = flags;	1772	req->uint1 = flags;
1325	sv_to_dbt (&req->dbt1, key);	1773	sv_to_dbt (&req->dbt1, key);
1326	req->dbt3.flags = DB_DBT_MALLOC;	1774	req->dbt3.flags = DB_DBT_MALLOC;
1327	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1775	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1328	REQ_SEND;	1776	REQ_SEND;
1329	}	1777	}
1330		1778
1331	void	1779	void
1332	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1333	CODE:	1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_pget");
1334	{	1786	{
1335	dREQ (REQ_DB_PGET);	1787	dREQ (REQ_DB_PGET, 2);
1336	req->db = db;	1788	req->db = db;
1337	req->txn = txn;	1789	req->txn = txn;
1338	req->uint1 = flags;	1790	req->uint1 = flags;
1339	sv_to_dbt (&req->dbt1, key);	1791	sv_to_dbt (&req->dbt1, key);
1340	sv_to_dbt (&req->dbt2, pkey);	1792	sv_to_dbt (&req->dbt2, pkey);
…		…
1342	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1794	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1343	REQ_SEND;	1795	REQ_SEND;
1344	}	1796	}
1345		1797
1346	void	1798	void
1347	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1799	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1800	PREINIT:
		1801	CALLBACK
1348	CODE:	1802	CODE:
1349	{	1803	{
1350	dREQ (REQ_DB_DEL);	1804	dREQ (REQ_DB_DEL, 2);
1351	req->db = db;	1805	req->db = db;
1352	req->txn = txn;	1806	req->txn = txn;
1353	req->uint1 = flags;	1807	req->uint1 = flags;
1354	sv_to_dbt (&req->dbt1, key);	1808	sv_to_dbt (&req->dbt1, key);
1355	REQ_SEND;	1809	REQ_SEND;
1356	}	1810	}
1357		1811
1358	void	1812	void
1359	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1813	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1814	PREINIT:
		1815	CALLBACK
1360	CODE:	1816	CODE:
1361	{	1817	{
1362	dREQ (REQ_TXN_COMMIT);	1818	dREQ (REQ_TXN_COMMIT, 1);
1363	req->txn = txn;	1819	req->txn = txn;
1364	req->uint1 = flags;	1820	req->uint1 = flags;
1365	REQ_SEND;	1821	REQ_SEND;
1366	ptr_nuke (ST (0));	1822	ptr_nuke (ST (0));
1367	}	1823	}
1368		1824
1369	void	1825	void
1370	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1826	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1827	PREINIT:
		1828	CALLBACK
1371	CODE:	1829	CODE:
1372	{	1830	{
1373	dREQ (REQ_TXN_ABORT);	1831	dREQ (REQ_TXN_ABORT, 1);
1374	req->txn = txn;	1832	req->txn = txn;
1375	REQ_SEND;	1833	REQ_SEND;
1376	ptr_nuke (ST (0));	1834	ptr_nuke (ST (0));
1377	}	1835	}
1378		1836
1379	void	1837	void
		1838	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1839	PREINIT:
		1840	CALLBACK
		1841	CODE:
		1842	{
		1843	dREQ (REQ_TXN_FINISH, 1);
		1844	req->txn = txn;
		1845	req->uint1 = flags;
		1846	REQ_SEND;
		1847	ptr_nuke (ST (0));
		1848	}
		1849
		1850	void
1380	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1851	db_c_close (DBC *dbc, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
1381	CODE:	1854	CODE:
1382	{	1855	{
1383	dREQ (REQ_C_CLOSE);	1856	dREQ (REQ_C_CLOSE, 1);
1384	req->dbc = dbc;	1857	req->dbc = dbc;
1385	REQ_SEND;	1858	REQ_SEND;
1386	ptr_nuke (ST (0));	1859	ptr_nuke (ST (0));
1387	}	1860	}
1388		1861
1389	void	1862	void
1390	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1863	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1864	PREINIT:
		1865	CALLBACK
1391	CODE:	1866	CODE:
1392	{	1867	{
1393	dREQ (REQ_C_COUNT);	1868	dREQ (REQ_C_COUNT, 1);
1394	req->dbc = dbc;	1869	req->dbc = dbc;
1395	req->sv1 = SvREFCNT_inc (count);	1870	req->sv1 = SvREFCNT_inc (count);
1396	REQ_SEND;	1871	REQ_SEND;
1397	}	1872	}
1398		1873
1399	void	1874	void
1400	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1875	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1876	PREINIT:
		1877	CALLBACK
1401	CODE:	1878	CODE:
1402	{	1879	{
1403	dREQ (REQ_C_PUT);	1880	dREQ (REQ_C_PUT, 1);
1404	req->dbc = dbc;	1881	req->dbc = dbc;
1405	sv_to_dbt (&req->dbt1, key);	1882	sv_to_dbt (&req->dbt1, key);
1406	sv_to_dbt (&req->dbt2, data);	1883	sv_to_dbt (&req->dbt2, data);
1407	req->uint1 = flags;	1884	req->uint1 = flags;
1408	REQ_SEND;	1885	REQ_SEND;
1409	}	1886	}
1410		1887
1411	void	1888	void
1412	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1889	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1890	PREINIT:
		1891	CALLBACK
1413	CODE:	1892	CODE:
1414	{	1893	{
1415	dREQ (REQ_C_GET);	1894	dREQ (REQ_C_GET, 1);
1416	req->dbc = dbc;	1895	req->dbc = dbc;
1417	req->uint1 = flags;	1896	req->uint1 = flags;
1418	if ((flags & DB_SET) == DB_SET	1897	if ((flags & DB_SET) == DB_SET
1419	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1898	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1420	sv_to_dbt (&req->dbt1, key);	1899	sv_to_dbt (&req->dbt1, key);
…		…
1432	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1911	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1433	REQ_SEND;	1912	REQ_SEND;
1434	}	1913	}
1435		1914
1436	void	1915	void
1437	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1916	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1917	PREINIT:
		1918	CALLBACK
1438	CODE:	1919	CODE:
1439	{	1920	{
1440	dREQ (REQ_C_PGET);	1921	dREQ (REQ_C_PGET, 1);
1441	req->dbc = dbc;	1922	req->dbc = dbc;
1442	req->uint1 = flags;	1923	req->uint1 = flags;
1443	if ((flags & DB_SET) == DB_SET	1924	if ((flags & DB_SET) == DB_SET
1444	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1925	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1445	sv_to_dbt (&req->dbt1, key);	1926	sv_to_dbt (&req->dbt1, key);
…		…
1460	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1461	REQ_SEND;	1942	REQ_SEND;
1462	}	1943	}
1463		1944
1464	void	1945	void
1465	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1946	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1947	PREINIT:
		1948	CALLBACK
1466	CODE:	1949	CODE:
1467	{	1950	{
1468	dREQ (REQ_C_DEL);	1951	dREQ (REQ_C_DEL, 1);
1469	req->dbc = dbc;	1952	req->dbc = dbc;
1470	req->uint1 = flags;	1953	req->uint1 = flags;
1471	REQ_SEND;	1954	REQ_SEND;
1472	}	1955	}
1473		1956
1474		1957
		1958	#if DB_VERSION_MINOR >= 3
		1959
1475	void	1960	void
1476	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1961	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1962	PREINIT:
		1963	CALLBACK
1477	CODE:	1964	CODE:
1478	{	1965	{
1479	dREQ (REQ_SEQ_OPEN);	1966	dREQ (REQ_SEQ_OPEN, 2);
1480	req->seq = seq;	1967	req->seq = seq;
1481	req->txn = txnid;	1968	req->txn = txnid;
1482	req->uint1 = flags | DB_THREAD;	1969	req->uint1 = flags | DB_THREAD;
1483	sv_to_dbt (&req->dbt1, key);	1970	sv_to_dbt (&req->dbt1, key);
1484	REQ_SEND;	1971	REQ_SEND;
1485	}	1972	}
1486		1973
1487	void	1974	void
1488	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1975	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1976	PREINIT:
		1977	CALLBACK
1489	CODE:	1978	CODE:
1490	{	1979	{
1491	dREQ (REQ_SEQ_CLOSE);	1980	dREQ (REQ_SEQ_CLOSE, 1);
1492	req->seq = seq;	1981	req->seq = seq;
1493	req->uint1 = flags;	1982	req->uint1 = flags;
1494	REQ_SEND;	1983	REQ_SEND;
1495	ptr_nuke (ST (0));	1984	ptr_nuke (ST (0));
1496	}	1985	}
1497		1986
1498	void	1987	void
1499	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1988	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1989	PREINIT:
		1990	CALLBACK
1500	CODE:	1991	CODE:
1501	{	1992	{
1502	dREQ (REQ_SEQ_GET);	1993	dREQ (REQ_SEQ_GET, 2);
1503	req->seq = seq;	1994	req->seq = seq;
1504	req->txn = txnid;	1995	req->txn = txnid;
1505	req->int1 = delta;	1996	req->int1 = delta;
1506	req->uint1 = flags;	1997	req->uint1 = flags;
1507	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1998	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1508	REQ_SEND;	1999	REQ_SEND;
1509	}	2000	}
1510		2001
1511	void	2002	void
1512	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2003	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2004	PREINIT:
		2005	CALLBACK
1513	CODE:	2006	CODE:
1514	{	2007	{
1515	dREQ (REQ_SEQ_REMOVE);	2008	dREQ (REQ_SEQ_REMOVE, 2);
1516	req->seq = seq;	2009	req->seq = seq;
1517	req->txn = txnid;	2010	req->txn = txnid;
1518	req->uint1 = flags;	2011	req->uint1 = flags;
1519	REQ_SEND;	2012	REQ_SEND;
1520	}	2013	}
1521		2014
		2015	#endif
		2016
1522		2017
1523	MODULE = BDB PACKAGE = BDB::Env	2018	MODULE = BDB PACKAGE = BDB::Env
1524		2019
1525	void	2020	void
1526	DESTROY (DB_ENV_ornull *env)	2021	DESTROY (DB_ENV_ornuked *env)
1527	CODE:	2022	CODE:
1528	if (env)	2023	if (env)
1529	env->close (env, 0);	2024	env->close (env, 0);
1530		2025
1531	int set_data_dir (DB_ENV *env, const char *dir)	2026	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1556	CODE:	2051	CODE:
1557	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2052	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1558	OUTPUT:	2053	OUTPUT:
1559	RETVAL	2054	RETVAL
1560		2055
1561	int set_flags (DB_ENV *env, U32 flags, int onoff)	2056	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1562	CODE:	2057	CODE:
1563	RETVAL = env->set_flags (env, flags, onoff);	2058	RETVAL = env->set_flags (env, flags, onoff);
1564	OUTPUT:	2059	OUTPUT:
1565	RETVAL	2060	RETVAL
1566		2061
		2062	#if DB_VERSION_MINOR >= 7
		2063
		2064	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2065	CODE:
		2066	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2067	OUTPUT:
		2068	RETVAL
		2069
		2070	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2071	CODE:
		2072	RETVAL = env->log_set_config (env, flags, onoff);
		2073	OUTPUT:
		2074	RETVAL
		2075
		2076	#endif
		2077
		2078
		2079	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2080	CODE:
		2081	env->set_errfile (env, errfile);
		2082
		2083	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2084	CODE:
		2085	env->set_msgfile (env, msgfile);
		2086
		2087	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2088	CODE:
		2089	RETVAL = env->set_verbose (env, which, onoff);
		2090	OUTPUT:
		2091	RETVAL
		2092
1567	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2093	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1568	CODE:	2094	CODE:
1569	RETVAL = env->set_encrypt (env, password, flags);	2095	RETVAL = env->set_encrypt (env, password, flags);
1570	OUTPUT:	2096	OUTPUT:
1571	RETVAL	2097	RETVAL
1572		2098
1573	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2099	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1574	CODE:	2100	CODE:
1575	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2101	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1576	OUTPUT:	2102	OUTPUT:
1577	RETVAL	2103	RETVAL
1578		2104
…		…
1627	int set_lg_max (DB_ENV *env, U32 max)	2153	int set_lg_max (DB_ENV *env, U32 max)
1628	CODE:	2154	CODE:
1629	RETVAL = env->set_lg_max (env, max);	2155	RETVAL = env->set_lg_max (env, max);
1630	OUTPUT:	2156	OUTPUT:
1631	RETVAL	2157	RETVAL
		2158
		2159	#if DB_VERSION_MINOR >= 4
		2160
		2161	int mutex_set_max (DB_ENV *env, U32 max)
		2162	CODE:
		2163	RETVAL = env->mutex_set_max (env, max);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	int mutex_set_increment (DB_ENV *env, U32 increment)
		2168	CODE:
		2169	RETVAL = env->mutex_set_increment (env, increment);
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2174	CODE:
		2175	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2176	OUTPUT:
		2177	RETVAL
		2178
		2179	int mutex_set_align (DB_ENV *env, U32 align)
		2180	CODE:
		2181	RETVAL = env->mutex_set_align (env, align);
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
1632		2186
1633	DB_TXN *	2187	DB_TXN *
1634	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2188	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1635	CODE:	2189	CODE:
1636	errno = env->txn_begin (env, parent, &RETVAL, flags);	2190	errno = env->txn_begin (env, parent, &RETVAL, flags);
1637	if (errno)	2191	if (errno)
1638	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2192	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1639	OUTPUT:	2193	OUTPUT:
1640	RETVAL	2194	RETVAL
1641		2195
		2196	#if DB_VERSION_MINOR >= 5
		2197
		2198	DB_TXN *
		2199	cdsgroup_begin (DB_ENV *env)
		2200	CODE:
		2201	errno = env->cdsgroup_begin (env, &RETVAL);
		2202	if (errno)
		2203	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2204	OUTPUT:
		2205	RETVAL
		2206
		2207	#endif
		2208
1642	MODULE = BDB PACKAGE = BDB::Db	2209	MODULE = BDB PACKAGE = BDB::Db
1643		2210
1644	void	2211	void
1645	DESTROY (DB_ornull *db)	2212	DESTROY (DB_ornuked *db)
1646	CODE:	2213	CODE:
1647	if (db)	2214	if (db)
1648	{	2215	{
1649	SV *env = (SV *)db->app_private;	2216	SV *env = (SV *)db->app_private;
1650	db->close (db, 0);	2217	db->close (db, 0);
…		…
1655	CODE:	2222	CODE:
1656	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2223	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1657	OUTPUT:	2224	OUTPUT:
1658	RETVAL	2225	RETVAL
1659		2226
1660	int set_flags (DB *db, U32 flags);	2227	int set_flags (DB *db, U32 flags)
1661	CODE:	2228	CODE:
1662	RETVAL = db->set_flags (db, flags);	2229	RETVAL = db->set_flags (db, flags);
1663	OUTPUT:	2230	OUTPUT:
1664	RETVAL	2231	RETVAL
1665		2232
…		…
1679	CODE:	2246	CODE:
1680	RETVAL = db->set_bt_minkey (db, minkey);	2247	RETVAL = db->set_bt_minkey (db, minkey);
1681	OUTPUT:	2248	OUTPUT:
1682	RETVAL	2249	RETVAL
1683		2250
1684	int set_re_delim(DB *db, int delim);	2251	int set_re_delim (DB *db, int delim)
1685	CODE:	2252	CODE:
1686	RETVAL = db->set_re_delim (db, delim);	2253	RETVAL = db->set_re_delim (db, delim);
1687	OUTPUT:	2254	OUTPUT:
1688	RETVAL	2255	RETVAL
1689		2256
…		…
1730	if (errno)	2297	if (errno)
1731	croak ("DB->cursor: %s", db_strerror (errno));	2298	croak ("DB->cursor: %s", db_strerror (errno));
1732	OUTPUT:	2299	OUTPUT:
1733	RETVAL	2300	RETVAL
1734		2301
		2302	#if DB_VERSION_MINOR >= 3
		2303
1735	DB_SEQUENCE *	2304	DB_SEQUENCE *
1736	sequence (DB *db, U32 flags = 0)	2305	sequence (DB *db, U32 flags = 0)
1737	CODE:	2306	CODE:
1738	{	2307	{
1739	errno = db_sequence_create (&RETVAL, db, flags);	2308	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1741	croak ("db_sequence_create: %s", db_strerror (errno));	2310	croak ("db_sequence_create: %s", db_strerror (errno));
1742	}	2311	}
1743	OUTPUT:	2312	OUTPUT:
1744	RETVAL	2313	RETVAL
1745		2314
		2315	#endif
		2316
1746		2317
1747	MODULE = BDB PACKAGE = BDB::Txn	2318	MODULE = BDB PACKAGE = BDB::Txn
1748		2319
1749	void	2320	void
1750	DESTROY (DB_TXN_ornull *txn)	2321	DESTROY (DB_TXN_ornuked *txn)
1751	CODE:	2322	CODE:
1752	if (txn)	2323	if (txn)
1753	txn->abort (txn);	2324	txn->abort (txn);
1754		2325
1755	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2326	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1756	CODE:	2327	CODE:
1757	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2328	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1758	OUTPUT:	2329	OUTPUT:
1759	RETVAL	2330	RETVAL
1760		2331
		2332	int failed (DB_TXN *txn)
		2333	CODE:
		2334	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2335	OUTPUT:
		2336	RETVAL
		2337
1761		2338
1762	MODULE = BDB PACKAGE = BDB::Cursor	2339	MODULE = BDB PACKAGE = BDB::Cursor
1763		2340
1764	void	2341	void
1765	DESTROY (DBC_ornull *dbc)	2342	DESTROY (DBC_ornuked *dbc)
1766	CODE:	2343	CODE:
1767	if (dbc)	2344	if (dbc)
1768	dbc->c_close (dbc);	2345	dbc->c_close (dbc);
1769		2346
		2347	#if DB_VERSION_MINOR >= 6
		2348
		2349	int set_priority (DBC *dbc, int priority)
		2350	CODE:
		2351	dbc->set_priority (dbc, priority);
		2352
		2353	#endif
		2354
		2355	#if DB_VERSION_MINOR >= 3
		2356
1770	MODULE = BDB PACKAGE = BDB::Sequence	2357	MODULE = BDB PACKAGE = BDB::Sequence
1771		2358
1772	void	2359	void
1773	DESTROY (DB_SEQUENCE_ornull *seq)	2360	DESTROY (DB_SEQUENCE_ornuked *seq)
1774	CODE:	2361	CODE:
1775	if (seq)	2362	if (seq)
1776	seq->close (seq, 0);	2363	seq->close (seq, 0);
1777		2364
1778	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2365	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1797	CODE:	2384	CODE:
1798	RETVAL = seq->set_range (seq, min, max);	2385	RETVAL = seq->set_range (seq, min, max);
1799	OUTPUT:	2386	OUTPUT:
1800	RETVAL	2387	RETVAL
1801		2388
		2389	#endif
		2390
		2391

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