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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 1.51 by root, Thu Sep 25 13:28:37 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;
423		583
424	Newz (0, req, 1, aio_cb);	584	Newz (0, req, 1, bdb_cb);
425		585
426	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
428		588
429	LOCK (reqlock);	589	X_LOCK (reqlock);
430	reqq_push (&req_queue, req);	590	reqq_push (&req_queue, req);
431	COND_SIGNAL (reqwait);	591	X_COND_SIGNAL (reqwait);
432	UNLOCK (reqlock);	592	X_UNLOCK (reqlock);
433		593
434	LOCK (wrklock);	594	X_LOCK (wrklock);
435	--started;	595	--started;
436	UNLOCK (wrklock);	596	X_UNLOCK (wrklock);
437	}	597	}
438		598
439	static void set_max_idle (int nthreads)	599	static void set_max_idle (int nthreads)
440	{	600	{
441	if (WORDACCESS_UNSAFE) LOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442	max_idle = nthreads <= 0 ? 1 : nthreads;	602	max_idle = nthreads <= 0 ? 1 : nthreads;
443	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	603	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444	}	604	}
445		605
446	static void min_parallel (int nthreads)	606	static void min_parallel (int nthreads)
447	{	607	{
448	if (wanted < nthreads)	608	if (wanted < nthreads)
…		…
456		616
457	while (started > wanted)	617	while (started > wanted)
458	end_thread ();	618	end_thread ();
459	}	619	}
460		620
461	static void poll_wait ()	621	static void poll_wait (void)
462	{	622	{
463	fd_set rfd;	623	fd_set rfd;
464		624
465	while (nreqs)	625	while (nreqs)
466	{	626	{
467	int size;	627	int size;
468	if (WORDACCESS_UNSAFE) LOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469	size = res_queue.size;	629	size = res_queue.size;
470	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	630	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471		631
472	if (size)	632	if (size)
473	return;	633	return;
474		634
475	maybe_start_thread ();	635	maybe_start_thread ();
476		636
477	FD_ZERO(&rfd);	637	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	638	FD_SET (respipe [0], &rfd);
479		639
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	641	}
482	}	642	}
483		643
484	static int poll_cb ()	644	static int poll_cb (void)
485	{	645	{
486	dSP;	646	dSP;
487	int count = 0;	647	int count = 0;
488	int maxreqs = max_poll_reqs;	648	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	649	int do_croak = 0;
490	struct timeval tv_start, tv_now;	650	struct timeval tv_start, tv_now;
491	aio_req req;	651	bdb_req req;
492		652
493	if (max_poll_time)	653	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	654	gettimeofday (&tv_start, 0);
495		655
496	for (;;)	656	for (;;)
497	{	657	{
498	for (;;)	658	for (;;)
499	{	659	{
500	maybe_start_thread ();	660	maybe_start_thread ();
501		661
502	LOCK (reslock);	662	X_LOCK (reslock);
503	req = reqq_shift (&res_queue);	663	req = reqq_shift (&res_queue);
504		664
505	if (req)	665	if (req)
506	{	666	{
507	--npending;	667	--npending;
508		668
509	if (!res_queue.size)	669	if (!res_queue.size)
510	{	670	{
511	/* read any signals sent by the worker threads */	671	/* read any signals sent by the worker threads */
512	char buf [4];	672	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	673	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	674	;
515	}	675	}
516	}	676	}
517		677
518	UNLOCK (reslock);	678	X_UNLOCK (reslock);
519		679
520	if (!req)	680	if (!req)
521	break;	681	break;
522		682
523	--nreqs;	683	--nreqs;
…		…
553	}	713	}
554		714
555	return count;	715	return count;
556	}	716	}
557		717
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	/*****************************************************************************/	718	/*****************************************************************************/
571		719
572	static void *aio_proc (void *thr_arg)	720	static void
		721	bdb_request (bdb_req req)
573	{	722	{
		723	switch (req->type)
		724	{
		725	case REQ_ENV_OPEN:
		726	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		727	break;
		728
		729	case REQ_ENV_CLOSE:
		730	req->result = req->env->close (req->env, req->uint1);
		731	break;
		732
		733	case REQ_ENV_TXN_CHECKPOINT:
		734	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		735	break;
		736
		737	case REQ_ENV_LOCK_DETECT:
		738	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		739	break;
		740
		741	case REQ_ENV_MEMP_SYNC:
		742	req->result = req->env->memp_sync (req->env, 0);
		743	break;
		744
		745	case REQ_ENV_MEMP_TRICKLE:
		746	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		747	break;
		748
		749	case REQ_ENV_DBREMOVE:
		750	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		751	break;
		752
		753	case REQ_ENV_DBRENAME:
		754	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		755	break;
		756
		757	case REQ_DB_OPEN:
		758	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		759	break;
		760
		761	case REQ_DB_CLOSE:
		762	req->result = req->db->close (req->db, req->uint1);
		763	break;
		764
		765	#if DB_VERSION_MINOR >= 4
		766	case REQ_DB_COMPACT:
		767	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		768	break;
		769	#endif
		770
		771	case REQ_DB_SYNC:
		772	req->result = req->db->sync (req->db, req->uint1);
		773	break;
		774
		775	case REQ_DB_UPGRADE:
		776	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		777	break;
		778
		779	case REQ_DB_PUT:
		780	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		781	break;
		782
		783	#if DB_VERSION_MINOR >= 6
		784	case REQ_DB_EXISTS:
		785	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		786	break;
		787	#endif
		788	case REQ_DB_GET:
		789	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		790	break;
		791
		792	case REQ_DB_PGET:
		793	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		794	break;
		795
		796	case REQ_DB_DEL:
		797	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		798	break;
		799
		800	case REQ_DB_KEY_RANGE:
		801	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		802	break;
		803
		804	case REQ_TXN_COMMIT:
		805	req->result = req->txn->commit (req->txn, req->uint1);
		806	break;
		807
		808	case REQ_TXN_ABORT:
		809	req->result = req->txn->abort (req->txn);
		810	break;
		811
		812	case REQ_TXN_FINISH:
		813	if (req->txn->flags & TXN_DEADLOCK)
		814	{
		815	req->result = req->txn->abort (req->txn);
		816	if (!req->result)
		817	req->result = DB_LOCK_DEADLOCK;
		818	}
		819	else
		820	req->result = req->txn->commit (req->txn, req->uint1);
		821	break;
		822
		823	case REQ_C_CLOSE:
		824	req->result = req->dbc->c_close (req->dbc);
		825	break;
		826
		827	case REQ_C_COUNT:
		828	{
		829	db_recno_t recno;
		830	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		831	req->uv1 = recno;
		832	}
		833	break;
		834
		835	case REQ_C_PUT:
		836	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		837	break;
		838
		839	case REQ_C_GET:
		840	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		841	break;
		842
		843	case REQ_C_PGET:
		844	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		845	break;
		846
		847	case REQ_C_DEL:
		848	req->result = req->dbc->c_del (req->dbc, req->uint1);
		849	break;
		850
		851	#if DB_VERSION_MINOR >= 3
		852	case REQ_SEQ_OPEN:
		853	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		854	break;
		855
		856	case REQ_SEQ_CLOSE:
		857	req->result = req->seq->close (req->seq, req->uint1);
		858	break;
		859
		860	case REQ_SEQ_GET:
		861	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		862	break;
		863
		864	case REQ_SEQ_REMOVE:
		865	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		866	break;
		867	#endif
		868
		869	default:
		870	req->result = ENOSYS;
		871	break;
		872	}
		873
		874	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		875	req->txn->flags |= TXN_DEADLOCK;
		876	}
		877
		878	X_THREAD_PROC (bdb_proc)
		879	{
574	aio_req req;	880	bdb_req req;
575	struct timespec ts;	881	struct timespec ts;
576	worker *self = (worker *)thr_arg;	882	worker *self = (worker *)thr_arg;
577		883
578	/* try to distribute timeouts somewhat evenly */	884	/* try to distribute timeouts somewhat evenly */
579	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	885	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580	* (1000000000UL / 1024UL);
581		886
582	for (;;)	887	for (;;)
583	{	888	{
584	ts.tv_sec = time (0) + IDLE_TIMEOUT;	889	ts.tv_sec = time (0) + IDLE_TIMEOUT;
585		890
586	LOCK (reqlock);	891	X_LOCK (reqlock);
587		892
588	for (;;)	893	for (;;)
589	{	894	{
590	self->req = req = reqq_shift (&req_queue);	895	self->req = req = reqq_shift (&req_queue);
591		896
592	if (req)	897	if (req)
593	break;	898	break;
594		899
595	++idle;	900	++idle;
596		901
597	if (COND_TIMEDWAIT (reqwait, reqlock, ts)	902	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598	== ETIMEDOUT)	903	== ETIMEDOUT)
599	{	904	{
600	if (idle > max_idle)	905	if (idle > max_idle)
601	{	906	{
602	--idle;	907	--idle;
603	UNLOCK (reqlock);	908	X_UNLOCK (reqlock);
604	LOCK (wrklock);	909	X_LOCK (wrklock);
605	--started;	910	--started;
606	UNLOCK (wrklock);	911	X_UNLOCK (wrklock);
607	goto quit;	912	goto quit;
608	}	913	}
609		914
610	/* we are allowed to idle, so do so without any timeout */	915	/* we are allowed to idle, so do so without any timeout */
611	COND_WAIT (reqwait, reqlock);	916	X_COND_WAIT (reqwait, reqlock);
612	ts.tv_sec = time (0) + IDLE_TIMEOUT;	917	ts.tv_sec = time (0) + IDLE_TIMEOUT;
613	}	918	}
614		919
615	--idle;	920	--idle;
616	}	921	}
617		922
618	--nready;	923	--nready;
619		924
620	UNLOCK (reqlock);	925	X_UNLOCK (reqlock);
621		926
622	switch (req->type)	927	if (req->type == REQ_QUIT)
623	{
624	case REQ_QUIT:
625	goto quit;	928	goto quit;
626		929
627	case REQ_ENV_OPEN:	930	bdb_request (req);
628	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
629	break;
630		931
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	}
743
744	LOCK (reslock);	932	X_LOCK (reslock);
745		933
746	++npending;	934	++npending;
747		935
748	if (!reqq_push (&res_queue, req))	936	if (!reqq_push (&res_queue, req))
749	/* write a dummy byte to the pipe so fh becomes ready */	937	/* write a dummy byte to the pipe so fh becomes ready */
750	write (respipe [1], &respipe, 1);	938	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751		939
752	self->req = 0;	940	self->req = 0;
753	worker_clear (self);	941	worker_clear (self);
754		942
755	UNLOCK (reslock);	943	X_UNLOCK (reslock);
756	}	944	}
757		945
758	quit:	946	quit:
759	LOCK (wrklock);	947	X_LOCK (wrklock);
760	worker_free (self);	948	worker_free (self);
761	UNLOCK (wrklock);	949	X_UNLOCK (wrklock);
762		950
763	return 0;	951	return 0;
764	}	952	}
765		953
766	/*****************************************************************************/	954	/*****************************************************************************/
767		955
768	static void atfork_prepare (void)	956	static void atfork_prepare (void)
769	{	957	{
770	LOCK (wrklock);	958	X_LOCK (wrklock);
771	LOCK (reqlock);	959	X_LOCK (reqlock);
772	LOCK (reslock);	960	X_LOCK (reslock);
773	}	961	}
774		962
775	static void atfork_parent (void)	963	static void atfork_parent (void)
776	{	964	{
777	UNLOCK (reslock);	965	X_UNLOCK (reslock);
778	UNLOCK (reqlock);	966	X_UNLOCK (reqlock);
779	UNLOCK (wrklock);	967	X_UNLOCK (wrklock);
780	}	968	}
781		969
782	static void atfork_child (void)	970	static void atfork_child (void)
783	{	971	{
784	aio_req prv;	972	bdb_req prv;
785		973
786	while (prv = reqq_shift (&req_queue))	974	while (prv = reqq_shift (&req_queue))
787	req_free (prv);	975	req_free (prv);
788		976
789	while (prv = reqq_shift (&res_queue))	977	while (prv = reqq_shift (&res_queue))
…		…
804	idle = 0;	992	idle = 0;
805	nreqs = 0;	993	nreqs = 0;
806	nready = 0;	994	nready = 0;
807	npending = 0;	995	npending = 0;
808		996
809	close (respipe [0]);
810	close (respipe [1]);
811	create_pipe ();	997	create_respipe ();
812		998
813	atfork_parent ();	999	atfork_parent ();
814	}	1000	}
815		1001
816	#define dREQ(reqtype) \	1002	#define dREQ(reqtype,rsvcnt) \
817	aio_req req; \	1003	bdb_req req; \
818	int req_pri = next_pri; \	1004	int req_pri = next_pri; \
819	next_pri = DEFAULT_PRI + PRI_BIAS; \	1005	next_pri = DEFAULT_PRI + PRI_BIAS; \
820	\	1006	\
821	if (SvOK (callback) && !SvROK (callback)) \	1007	if (callback && SvOK (callback)) \
822	croak ("callback must be undef or of reference type"); \	1008	croak ("callback has illegal type or extra arguments"); \
823	\	1009	\
824	Newz (0, req, 1, aio_cb); \	1010	Newz (0, req, 1, bdb_cb); \
825	if (!req) \	1011	if (!req) \
826	croak ("out of memory during aio_req allocation"); \	1012	croak ("out of memory during bdb_req allocation"); \
827	\	1013	\
828	req->callback = newSVsv (callback); \	1014	req->callback = SvREFCNT_inc (cb); \
829	req->type = (reqtype); \	1015	req->type = (reqtype); \
830	req->pri = req_pri	1016	req->pri = req_pri; \
		1017	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1018	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1019	(void)0;
831		1020
832	#define REQ_SEND \	1021	#define REQ_SEND \
833	req_send (req)	1022	req_send (req)
834		1023
835	#define SvPTR(var, arg, type, class, nullok) \	1024	#define SvPTR(var, arg, type, class, nullok) \
836	if (!SvOK (arg)) \	1025	if (!SvOK (arg)) \
837	{ \	1026	{ \
838	if (!nullok) \	1027	if (nullok != 1) \
839	croak (# var " must be a " # class " object, not undef"); \	1028	croak (# var " must be a " # class " object, not undef"); \
840	\	1029	\
841	(var) = 0; \	1030	(var) = 0; \
842	} \	1031	} \
843	else if (sv_derived_from ((arg), # class)) \	1032	else if (sv_derived_from ((arg), # class)) \
844	{ \	1033	{ \
845	IV tmp = SvIV ((SV*) SvRV (arg)); \	1034	IV tmp = SvIV ((SV*) SvRV (arg)); \
846	(var) = INT2PTR (type, tmp); \	1035	(var) = INT2PTR (type, tmp); \
847	if (!var) \	1036	if (!var && nullok != 2) \
848	croak (# var " is not a valid " # class " object anymore"); \	1037	croak (# var " is not a valid " # class " object anymore"); \
849	} \	1038	} \
850	else \	1039	else \
851	croak (# var " is not of type " # class); \	1040	croak (# var " is not of type " # class);
852	\
853		1041
854	static void	1042	static void
855	ptr_nuke (SV *sv)	1043	ptr_nuke (SV *sv)
856	{	1044	{
857	assert (SvROK (sv));	1045	assert (SvROK (sv));
858	sv_setiv (SvRV (sv), 0);	1046	sv_setiv (SvRV (sv), 0);
859	}	1047	}
		1048
		1049	static int
		1050	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1051	{
		1052	if (*mg->mg_ptr == '!') // should always be the case
		1053	if (-30999 <= errno && errno <= -30800)
		1054	{
		1055	sv_setnv (sv, (NV)errno);
		1056	sv_setpv (sv, db_strerror (errno));
		1057	SvNOK_on (sv); /* what a wonderful hack! */
		1058	// ^^^ copied from perl sources
		1059	return 0;
		1060	}
		1061
		1062	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1063	}
		1064
		1065	static MGVTBL vtbl_errno;
		1066
		1067	// this wonderful hack :( patches perl's $! variable to support our errno values
		1068	static void
		1069	patch_errno (void)
		1070	{
		1071	SV *sv;
		1072	MAGIC *mg;
		1073
		1074	if (!(sv = get_sv ("!", 1)))
		1075	return;
		1076
		1077	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1078	return;
		1079
		1080	if (mg->mg_virtual != &PL_vtbl_sv)
		1081	return;
		1082
		1083	vtbl_errno = PL_vtbl_sv;
		1084	vtbl_errno.svt_get = errno_get;
		1085	mg->mg_virtual = &vtbl_errno;
		1086	}
		1087
		1088	#if __GNUC__ >= 4
		1089	# define noinline __attribute__ ((noinline))
		1090	#else
		1091	# define noinline
		1092	#endif
		1093
		1094	static noinline SV *
		1095	pop_callback (I32 *ritems, SV *sv)
		1096	{
		1097	if (SvROK (sv))
		1098	{
		1099	HV *st;
		1100	GV *gvp;
		1101	CV *cv;
		1102	const char *name;
		1103
		1104	/* forgive me */
		1105	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1106	&& (st = SvSTASH (SvRV (sv)))
		1107	&& (name = HvNAME_get (st))
		1108	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1109	return 0;
		1110
		1111	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1112	{
		1113	--*ritems;
		1114	return (SV *)cv;
		1115	}
		1116	}
		1117
		1118	return 0;
		1119	}
		1120
		1121	/* stupid windoes defined CALLBACK as well */
		1122	#undef CALLBACK
		1123	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
860		1124
861	MODULE = BDB PACKAGE = BDB	1125	MODULE = BDB PACKAGE = BDB
862		1126
863	PROTOTYPES: ENABLE	1127	PROTOTYPES: ENABLE
864		1128
…		…
880	const_iv (INIT_TXN)	1144	const_iv (INIT_TXN)
881	const_iv (RECOVER)	1145	const_iv (RECOVER)
882	const_iv (INIT_TXN)	1146	const_iv (INIT_TXN)
883	const_iv (RECOVER_FATAL)	1147	const_iv (RECOVER_FATAL)
884	const_iv (CREATE)	1148	const_iv (CREATE)
		1149	const_iv (RDONLY)
885	const_iv (USE_ENVIRON)	1150	const_iv (USE_ENVIRON)
886	const_iv (USE_ENVIRON_ROOT)	1151	const_iv (USE_ENVIRON_ROOT)
887	const_iv (LOCKDOWN)	1152	const_iv (LOCKDOWN)
888	const_iv (PRIVATE)	1153	const_iv (PRIVATE)
889	const_iv (REGISTER)
890	const_iv (SYSTEM_MEM)	1154	const_iv (SYSTEM_MEM)
891	const_iv (AUTO_COMMIT)	1155	const_iv (AUTO_COMMIT)
892	const_iv (CDB_ALLDB)	1156	const_iv (CDB_ALLDB)
893	const_iv (DIRECT_DB)	1157	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)	1158	const_iv (NOLOCKING)
900	const_iv (MULTIVERSION)
901	const_iv (NOMMAP)	1159	const_iv (NOMMAP)
902	const_iv (NOPANIC)	1160	const_iv (NOPANIC)
903	const_iv (OVERWRITE)	1161	const_iv (OVERWRITE)
904	const_iv (PANIC_ENVIRONMENT)	1162	const_iv (PANIC_ENVIRONMENT)
905	const_iv (REGION_INIT)	1163	const_iv (REGION_INIT)
906	const_iv (TIME_NOTGRANTED)	1164	const_iv (TIME_NOTGRANTED)
907	const_iv (TXN_NOSYNC)	1165	const_iv (TXN_NOSYNC)
908	const_iv (TXN_SNAPSHOT)	1166	const_iv (TXN_NOT_DURABLE)
909	const_iv (TXN_WRITE_NOSYNC)	1167	const_iv (TXN_WRITE_NOSYNC)
910	const_iv (WRITECURSOR)	1168	const_iv (WRITECURSOR)
911	const_iv (YIELDCPU)	1169	const_iv (YIELDCPU)
912	const_iv (ENCRYPT_AES)	1170	const_iv (ENCRYPT_AES)
913	const_iv (XA_CREATE)	1171	const_iv (XA_CREATE)
…		…
915	const_iv (HASH)	1173	const_iv (HASH)
916	const_iv (QUEUE)	1174	const_iv (QUEUE)
917	const_iv (RECNO)	1175	const_iv (RECNO)
918	const_iv (UNKNOWN)	1176	const_iv (UNKNOWN)
919	const_iv (EXCL)	1177	const_iv (EXCL)
920	const_iv (READ_COMMITTED)
921	const_iv (READ_UNCOMMITTED)
922	const_iv (TRUNCATE)	1178	const_iv (TRUNCATE)
923	const_iv (NOSYNC)	1179	const_iv (NOSYNC)
924	const_iv (CHKSUM)	1180	const_iv (CHKSUM)
925	const_iv (ENCRYPT)	1181	const_iv (ENCRYPT)
926	const_iv (TXN_NOT_DURABLE)
927	const_iv (DUP)	1182	const_iv (DUP)
928	const_iv (DUPSORT)	1183	const_iv (DUPSORT)
929	const_iv (RECNUM)	1184	const_iv (RECNUM)
930	const_iv (RENUMBER)	1185	const_iv (RENUMBER)
931	const_iv (REVSPLITOFF)	1186	const_iv (REVSPLITOFF)
932	const_iv (INORDER)
933	const_iv (CONSUME)	1187	const_iv (CONSUME)
934	const_iv (CONSUME_WAIT)	1188	const_iv (CONSUME_WAIT)
935	const_iv (GET_BOTH)	1189	const_iv (GET_BOTH)
936	const_iv (GET_BOTH_RANGE)	1190	const_iv (GET_BOTH_RANGE)
937	//const_iv (SET_RECNO)	1191	//const_iv (SET_RECNO)
938	//const_iv (MULTIPLE)	1192	//const_iv (MULTIPLE)
939	const_iv (SNAPSHOT)	1193	const_iv (SNAPSHOT)
940	const_iv (JOIN_ITEM)	1194	const_iv (JOIN_ITEM)
		1195	const_iv (JOIN_NOSORT)
941	const_iv (RMW)	1196	const_iv (RMW)
942		1197
943	const_iv (NOTFOUND)	1198	const_iv (NOTFOUND)
944	const_iv (KEYEMPTY)	1199	const_iv (KEYEMPTY)
945	const_iv (LOCK_DEADLOCK)	1200	const_iv (LOCK_DEADLOCK)
946	const_iv (LOCK_NOTGRANTED)	1201	const_iv (LOCK_NOTGRANTED)
947	const_iv (RUNRECOVERY)	1202	const_iv (RUNRECOVERY)
948	const_iv (OLD_VERSION)	1203	const_iv (OLD_VERSION)
949	const_iv (REP_HANDLE_DEAD)	1204	const_iv (REP_HANDLE_DEAD)
950	const_iv (REP_LOCKOUT)
951	const_iv (SECONDARY_BAD)	1205	const_iv (SECONDARY_BAD)
952
953	const_iv (FREE_SPACE)
954	const_iv (FREELIST_ONLY)
955		1206
956	const_iv (APPEND)	1207	const_iv (APPEND)
957	const_iv (NODUPDATA)	1208	const_iv (NODUPDATA)
958	const_iv (NOOVERWRITE)	1209	const_iv (NOOVERWRITE)
959		1210
960	const_iv (TXN_NOWAIT)	1211	const_iv (TXN_NOWAIT)
961	const_iv (TXN_SNAPSHOT)
962	const_iv (TXN_SYNC)	1212	const_iv (TXN_SYNC)
963		1213
964	const_iv (SET_LOCK_TIMEOUT)	1214	const_iv (SET_LOCK_TIMEOUT)
965	const_iv (SET_TXN_TIMEOUT)	1215	const_iv (SET_TXN_TIMEOUT)
966		1216
967	const_iv (JOIN_ITEM)
968	const_iv (FIRST)	1217	const_iv (FIRST)
969	const_iv (NEXT)	1218	const_iv (NEXT)
970	const_iv (NEXT_DUP)	1219	const_iv (NEXT_DUP)
971	const_iv (NEXT_NODUP)	1220	const_iv (NEXT_NODUP)
972	const_iv (PREV)	1221	const_iv (PREV)
…		…
984	const_iv (FORCE)	1233	const_iv (FORCE)
985		1234
986	const_iv (LOCK_DEFAULT)	1235	const_iv (LOCK_DEFAULT)
987	const_iv (LOCK_EXPIRE)	1236	const_iv (LOCK_EXPIRE)
988	const_iv (LOCK_MAXLOCKS)	1237	const_iv (LOCK_MAXLOCKS)
989	const_iv (LOCK_MAXWRITE)
990	const_iv (LOCK_MINLOCKS)	1238	const_iv (LOCK_MINLOCKS)
991	const_iv (LOCK_MINWRITE)	1239	const_iv (LOCK_MINWRITE)
992	const_iv (LOCK_OLDEST)	1240	const_iv (LOCK_OLDEST)
993	const_iv (LOCK_RANDOM)	1241	const_iv (LOCK_RANDOM)
994	const_iv (LOCK_YOUNGEST)	1242	const_iv (LOCK_YOUNGEST)
995		1243
		1244	const_iv (DONOTINDEX)
		1245	const_iv (KEYEMPTY )
		1246	const_iv (KEYEXIST )
		1247	const_iv (LOCK_DEADLOCK)
		1248	const_iv (LOCK_NOTGRANTED)
		1249	const_iv (NOSERVER)
		1250	const_iv (NOSERVER_HOME)
		1251	const_iv (NOSERVER_ID)
		1252	const_iv (NOTFOUND)
		1253	const_iv (PAGE_NOTFOUND)
		1254	const_iv (REP_DUPMASTER)
		1255	const_iv (REP_HANDLE_DEAD)
		1256	const_iv (REP_HOLDELECTION)
		1257	const_iv (REP_ISPERM)
		1258	const_iv (REP_NEWMASTER)
		1259	const_iv (REP_NEWSITE)
		1260	const_iv (REP_NOTPERM)
		1261	const_iv (REP_UNAVAIL)
		1262	const_iv (RUNRECOVERY)
		1263	const_iv (SECONDARY_BAD)
		1264	const_iv (VERIFY_BAD)
		1265
		1266	const_iv (VERB_DEADLOCK)
		1267	const_iv (VERB_RECOVERY)
		1268	const_iv (VERB_REPLICATION)
		1269	const_iv (VERB_WAITSFOR)
		1270
		1271	const_iv (VERSION_MAJOR)
		1272	const_iv (VERSION_MINOR)
		1273	const_iv (VERSION_PATCH)
		1274	#if DB_VERSION_MINOR >= 3
		1275	const_iv (INORDER)
		1276	const_iv (LOCK_MAXWRITE)
996	const_iv (SEQ_DEC)	1277	const_iv (SEQ_DEC)
997	const_iv (SEQ_INC)	1278	const_iv (SEQ_INC)
998	const_iv (SEQ_WRAP)	1279	const_iv (SEQ_WRAP)
		1280	const_iv (BUFFER_SMALL)
		1281	const_iv (LOG_BUFFER_FULL)
		1282	const_iv (VERSION_MISMATCH)
		1283	#endif
		1284	#if DB_VERSION_MINOR >= 4
		1285	const_iv (REGISTER)
		1286	const_iv (DSYNC_DB)
		1287	const_iv (READ_COMMITTED)
		1288	const_iv (READ_UNCOMMITTED)
		1289	const_iv (REP_IGNORE)
		1290	const_iv (REP_LOCKOUT)
		1291	const_iv (REP_JOIN_FAILURE)
		1292	const_iv (FREE_SPACE)
		1293	const_iv (FREELIST_ONLY)
		1294	const_iv (VERB_REGISTER)
		1295	#endif
		1296	#if DB_VERSION_MINOR >= 5
		1297	const_iv (MULTIVERSION)
		1298	const_iv (TXN_SNAPSHOT)
		1299	#endif
		1300	#if DB_VERSION_MINOR >= 6
		1301	const_iv (PREV_DUP)
		1302	const_iv (PRIORITY_UNCHANGED)
		1303	const_iv (PRIORITY_VERY_LOW)
		1304	const_iv (PRIORITY_LOW)
		1305	const_iv (PRIORITY_DEFAULT)
		1306	const_iv (PRIORITY_HIGH)
		1307	const_iv (PRIORITY_VERY_HIGH)
		1308	#endif
		1309	#if DB_VERSION_MINOR >= 7
		1310	const_iv (LOG_DIRECT)
		1311	const_iv (LOG_DSYNC)
		1312	const_iv (LOG_AUTO_REMOVE)
		1313	const_iv (LOG_IN_MEMORY)
		1314	const_iv (LOG_ZERO)
		1315	#else
		1316	const_iv (DIRECT_LOG)
		1317	const_iv (LOG_AUTOREMOVE)
		1318	# if DB_VERSION_MINOR >= 3
		1319	const_iv (DSYNC_LOG)
		1320	const_iv (LOG_INMEMORY)
		1321	# endif
		1322	#endif
999	};	1323	};
1000		1324
1001	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1325	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1326	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003		1327
1004	create_pipe ();	1328	{
		1329	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1330	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1331
		1332	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1333	}
		1334
		1335	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1336
		1337	create_respipe ();
		1338
1005	ATFORK (atfork_prepare, atfork_parent, atfork_child);	1339	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1340	patch_errno ();
1006	}	1341	}
1007		1342
1008	void	1343	void
1009	max_poll_reqs (int nreqs)	1344	max_poll_reqs (int nreqs)
1010	PROTOTYPE: $	1345	PROTOTYPE: $
…		…
1129		1464
1130	int	1465	int
1131	nthreads ()	1466	nthreads ()
1132	PROTOTYPE:	1467	PROTOTYPE:
1133	CODE:	1468	CODE:
1134	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1469	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135	RETVAL = started;	1470	RETVAL = started;
1136	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1471	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137	OUTPUT:	1472	OUTPUT:
1138	RETVAL	1473	RETVAL
1139		1474
1140	void	1475	void
1141	set_sync_prepare (SV *cb)	1476	set_sync_prepare (SV *cb)
1142	PROTOTYPE: &	1477	PROTOTYPE: &
1143	CODE:	1478	CODE:
1144	SvREFCNT_dec (prepare_cb);	1479	SvREFCNT_dec (prepare_cb);
1145	prepare_cb = newSVsv (cb);	1480	prepare_cb = newSVsv (cb);
1146		1481
		1482	char *
		1483	strerror (int errorno = errno)
		1484	PROTOTYPE: ;$
		1485	CODE:
		1486	RETVAL = db_strerror (errorno);
		1487	OUTPUT:
		1488	RETVAL
		1489
		1490	void _on_next_submit (SV *cb)
		1491	CODE:
		1492	SvREFCNT_dec (on_next_submit);
		1493	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1147		1494
1148	DB_ENV *	1495	DB_ENV *
1149	db_env_create (U32 env_flags = 0)	1496	db_env_create (U32 env_flags = 0)
1150	CODE:	1497	CODE:
1151	{	1498	{
1152	errno = db_env_create (&RETVAL, env_flags);	1499	errno = db_env_create (&RETVAL, env_flags);
1153	if (errno)	1500	if (errno)
1154	croak ("db_env_create: %s", db_strerror (errno));	1501	croak ("db_env_create: %s", db_strerror (errno));
		1502
		1503	if (0)
		1504	{
		1505	RETVAL->set_errcall (RETVAL, debug_errcall);
		1506	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1507	}
1155	}	1508	}
1156	OUTPUT:	1509	OUTPUT:
1157	RETVAL	1510	RETVAL
1158		1511
1159	void	1512	void
1160	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1513	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1514	PREINIT:
		1515	CALLBACK
1161	CODE:	1516	CODE:
1162	{	1517	{
1163	env->set_thread_count (env, get_nthreads ());
1164
1165	dREQ (REQ_ENV_OPEN);	1518	dREQ (REQ_ENV_OPEN, 1);
1166	req->env = env;	1519	req->env = env;
1167	req->uint1 = open_flags | DB_THREAD;	1520	req->uint1 = open_flags | DB_THREAD;
1168	req->int1 = mode;	1521	req->int1 = mode;
1169	req->buf1 = strdup_ornull (db_home);	1522	req->buf1 = strdup_ornull (db_home);
1170	REQ_SEND;	1523	REQ_SEND;
1171	}	1524	}
1172		1525
1173	void	1526	void
1174	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1527	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1528	PREINIT:
		1529	CALLBACK
1175	CODE:	1530	CODE:
1176	{	1531	{
1177	dREQ (REQ_ENV_CLOSE);	1532	dREQ (REQ_ENV_CLOSE, 1);
1178	req->env = env;	1533	req->env = env;
1179	req->uint1 = flags;	1534	req->uint1 = flags;
1180	REQ_SEND;	1535	REQ_SEND;
1181	ptr_nuke (ST (0));	1536	ptr_nuke (ST (0));
1182	}	1537	}
1183		1538
1184	void	1539	void
1185	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1540	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1541	PREINIT:
		1542	CALLBACK
1186	CODE:	1543	CODE:
1187	{	1544	{
1188	dREQ (REQ_ENV_TXN_CHECKPOINT);	1545	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1189	req->env = env;	1546	req->env = env;
1190	req->uint1 = kbyte;	1547	req->uint1 = kbyte;
1191	req->int1 = min;	1548	req->int1 = min;
1192	req->uint2 = flags;	1549	req->uint2 = flags;
1193	REQ_SEND;	1550	REQ_SEND;
1194	}	1551	}
1195		1552
1196	void	1553	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)	1554	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1555	PREINIT:
		1556	CALLBACK
1198	CODE:	1557	CODE:
1199	{	1558	{
1200	dREQ (REQ_ENV_LOCK_DETECT);	1559	dREQ (REQ_ENV_LOCK_DETECT, 1);
1201	req->env = env;	1560	req->env = env;
1202	req->uint1 = flags;	1561	req->uint1 = flags;
1203	req->uint2 = atype;	1562	req->uint2 = atype;
		1563	/* req->int2 = 0; dummy */
1204	REQ_SEND;	1564	REQ_SEND;
1205	}	1565	}
1206		1566
1207	void	1567	void
1208	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1568	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1569	PREINIT:
		1570	CALLBACK
1209	CODE:	1571	CODE:
1210	{	1572	{
1211	dREQ (REQ_ENV_MEMP_SYNC);	1573	dREQ (REQ_ENV_MEMP_SYNC, 1);
1212	req->env = env;	1574	req->env = env;
1213	REQ_SEND;	1575	REQ_SEND;
1214	}	1576	}
1215		1577
1216	void	1578	void
1217	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1579	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1580	PREINIT:
		1581	CALLBACK
1218	CODE:	1582	CODE:
1219	{	1583	{
1220	dREQ (REQ_ENV_MEMP_TRICKLE);	1584	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1221	req->env = env;	1585	req->env = env;
1222	req->int1 = percent;	1586	req->int1 = percent;
1223	REQ_SEND;	1587	REQ_SEND;
1224	}	1588	}
1225		1589
		1590	void
		1591	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
		1594	CODE:
		1595	{
		1596	dREQ (REQ_ENV_DBREMOVE, 2);
		1597	req->env = env;
		1598	req->buf1 = strdup_ornull (file);
		1599	req->buf2 = strdup_ornull (database);
		1600	req->uint1 = flags;
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
		1605	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)
		1606	PREINIT:
		1607	CALLBACK
		1608	CODE:
		1609	{
		1610	dREQ (REQ_ENV_DBRENAME, 2);
		1611	req->env = env;
		1612	req->buf1 = strdup_ornull (file);
		1613	req->buf2 = strdup_ornull (database);
		1614	req->buf3 = strdup_ornull (newname);
		1615	req->uint1 = flags;
		1616	REQ_SEND;
		1617	}
1226		1618
1227	DB *	1619	DB *
1228	db_create (DB_ENV *env = 0, U32 flags = 0)	1620	db_create (DB_ENV *env = 0, U32 flags = 0)
1229	CODE:	1621	CODE:
1230	{	1622	{
…		…
1237	}	1629	}
1238	OUTPUT:	1630	OUTPUT:
1239	RETVAL	1631	RETVAL
1240		1632
1241	void	1633	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)	1634	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1635	PREINIT:
		1636	CALLBACK
1243	CODE:	1637	CODE:
1244	{	1638	{
1245	dREQ (REQ_DB_OPEN);	1639	dREQ (REQ_DB_OPEN, 2);
1246	req->db = db;	1640	req->db = db;
1247	req->txn = txnid;	1641	req->txn = txnid;
1248	req->buf1 = strdup_ornull (file);	1642	req->buf1 = strdup_ornull (file);
1249	req->buf2 = strdup_ornull (database);	1643	req->buf2 = strdup_ornull (database);
1250	req->int1 = type;	1644	req->int1 = type;
…		…
1252	req->int2 = mode;	1646	req->int2 = mode;
1253	REQ_SEND;	1647	REQ_SEND;
1254	}	1648	}
1255		1649
1256	void	1650	void
1257	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1651	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1652	PREINIT:
		1653	CALLBACK
1258	CODE:	1654	CODE:
1259	{	1655	{
1260	dREQ (REQ_DB_CLOSE);	1656	dREQ (REQ_DB_CLOSE, 1);
1261	req->db = db;	1657	req->db = db;
1262	req->uint1 = flags;	1658	req->uint1 = flags;
1263	req->sv1 = (SV *)db->app_private;	1659	req->sv1 = (SV *)db->app_private;
1264	REQ_SEND;	1660	REQ_SEND;
1265	ptr_nuke (ST (0));	1661	ptr_nuke (ST (0));
1266	}	1662	}
1267		1663
		1664	#if DB_VERSION_MINOR >= 4
		1665
1268	void	1666	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)	1667	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)
		1668	PREINIT:
		1669	CALLBACK
1270	CODE:	1670	CODE:
1271	{	1671	{
1272	dREQ (REQ_DB_COMPACT);	1672	dREQ (REQ_DB_COMPACT, 2);
1273	req->db = db;	1673	req->db = db;
1274	req->txn = txn;	1674	req->txn = txn;
1275	sv_to_dbt (&req->dbt1, start);	1675	sv_to_dbt (&req->dbt1, start);
1276	sv_to_dbt (&req->dbt2, stop);	1676	sv_to_dbt (&req->dbt2, stop);
1277	req->uint1 = flags;	1677	req->uint1 = flags;
1278	REQ_SEND;	1678	REQ_SEND;
1279	}	1679	}
1280		1680
		1681	#endif
		1682
1281	void	1683	void
1282	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1684	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1685	PREINIT:
		1686	CALLBACK
1283	CODE:	1687	CODE:
1284	{	1688	{
1285	dREQ (REQ_DB_SYNC);	1689	dREQ (REQ_DB_SYNC, 1);
1286	req->db = db;	1690	req->db = db;
1287	req->uint1 = flags;	1691	req->uint1 = flags;
1288	REQ_SEND;	1692	REQ_SEND;
1289	}	1693	}
1290		1694
1291	void	1695	void
		1696	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1697	PREINIT:
		1698	CALLBACK
		1699	CODE:
		1700	{
		1701	dREQ (REQ_DB_SYNC, 1);
		1702	req->db = db;
		1703	req->buf1 = strdup (file);
		1704	req->uint1 = flags;
		1705	REQ_SEND;
		1706	}
		1707
		1708	void
1292	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1709	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1710	PREINIT:
		1711	CALLBACK
1293	CODE:	1712	CODE:
1294	{	1713	{
1295	dREQ (REQ_DB_KEY_RANGE);	1714	dREQ (REQ_DB_KEY_RANGE, 2);
1296	req->db = db;	1715	req->db = db;
1297	req->txn = txn;	1716	req->txn = txn;
1298	sv_to_dbt (&req->dbt1, key);	1717	sv_to_dbt (&req->dbt1, key);
1299	req->uint1 = flags;	1718	req->uint1 = flags;
1300	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1719	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1301	REQ_SEND;	1720	REQ_SEND;
1302	}	1721	}
1303		1722
1304	void	1723	void
1305	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1724	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1725	PREINIT:
		1726	CALLBACK
1306	CODE:	1727	CODE:
1307	{	1728	{
1308	dREQ (REQ_DB_PUT);	1729	dREQ (REQ_DB_PUT, 2);
1309	req->db = db;	1730	req->db = db;
1310	req->txn = txn;	1731	req->txn = txn;
1311	sv_to_dbt (&req->dbt1, key);	1732	sv_to_dbt (&req->dbt1, key);
1312	sv_to_dbt (&req->dbt2, data);	1733	sv_to_dbt (&req->dbt2, data);
1313	req->uint1 = flags;	1734	req->uint1 = flags;
1314	REQ_SEND;	1735	REQ_SEND;
1315	}	1736	}
1316		1737
		1738	#if DB_VERSION_MINOR >= 6
		1739
1317	void	1740	void
		1741	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1742	PREINIT:
		1743	CALLBACK
		1744	CODE:
		1745	{
		1746	dREQ (REQ_DB_EXISTS, 2);
		1747	req->db = db;
		1748	req->txn = txn;
		1749	req->uint1 = flags;
		1750	sv_to_dbt (&req->dbt1, key);
		1751	REQ_SEND;
		1752	}
		1753
		1754	#endif
		1755
		1756	void
1318	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1757	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1758	PREINIT:
		1759	CALLBACK
1319	CODE:	1760	CODE:
		1761	if (SvREADONLY (data))
		1762	croak ("can't modify read-only data scalar in db_get");
1320	{	1763	{
1321	dREQ (REQ_DB_GET);	1764	dREQ (REQ_DB_GET, 2);
1322	req->db = db;	1765	req->db = db;
1323	req->txn = txn;	1766	req->txn = txn;
1324	req->uint1 = flags;	1767	req->uint1 = flags;
1325	sv_to_dbt (&req->dbt1, key);	1768	sv_to_dbt (&req->dbt1, key);
1326	req->dbt3.flags = DB_DBT_MALLOC;	1769	req->dbt3.flags = DB_DBT_MALLOC;
1327	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1770	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1328	REQ_SEND;	1771	REQ_SEND;
1329	}	1772	}
1330		1773
1331	void	1774	void
1332	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1775	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1776	PREINIT:
		1777	CALLBACK
1333	CODE:	1778	CODE:
		1779	if (SvREADONLY (data))
		1780	croak ("can't modify read-only data scalar in db_pget");
1334	{	1781	{
1335	dREQ (REQ_DB_PGET);	1782	dREQ (REQ_DB_PGET, 2);
1336	req->db = db;	1783	req->db = db;
1337	req->txn = txn;	1784	req->txn = txn;
1338	req->uint1 = flags;	1785	req->uint1 = flags;
1339	sv_to_dbt (&req->dbt1, key);	1786	sv_to_dbt (&req->dbt1, key);
1340	sv_to_dbt (&req->dbt2, pkey);	1787	sv_to_dbt (&req->dbt2, pkey);
…		…
1342	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1789	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1343	REQ_SEND;	1790	REQ_SEND;
1344	}	1791	}
1345		1792
1346	void	1793	void
1347	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1794	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1795	PREINIT:
		1796	CALLBACK
1348	CODE:	1797	CODE:
1349	{	1798	{
1350	dREQ (REQ_DB_DEL);	1799	dREQ (REQ_DB_DEL, 2);
1351	req->db = db;	1800	req->db = db;
1352	req->txn = txn;	1801	req->txn = txn;
1353	req->uint1 = flags;	1802	req->uint1 = flags;
1354	sv_to_dbt (&req->dbt1, key);	1803	sv_to_dbt (&req->dbt1, key);
1355	REQ_SEND;	1804	REQ_SEND;
1356	}	1805	}
1357		1806
1358	void	1807	void
1359	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1808	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
1360	CODE:	1811	CODE:
1361	{	1812	{
1362	dREQ (REQ_TXN_COMMIT);	1813	dREQ (REQ_TXN_COMMIT, 1);
1363	req->txn = txn;	1814	req->txn = txn;
1364	req->uint1 = flags;	1815	req->uint1 = flags;
1365	REQ_SEND;	1816	REQ_SEND;
1366	ptr_nuke (ST (0));	1817	ptr_nuke (ST (0));
1367	}	1818	}
1368		1819
1369	void	1820	void
1370	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1821	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
1371	CODE:	1824	CODE:
1372	{	1825	{
1373	dREQ (REQ_TXN_ABORT);	1826	dREQ (REQ_TXN_ABORT, 1);
1374	req->txn = txn;	1827	req->txn = txn;
1375	REQ_SEND;	1828	REQ_SEND;
1376	ptr_nuke (ST (0));	1829	ptr_nuke (ST (0));
1377	}	1830	}
1378		1831
1379	void	1832	void
		1833	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
		1836	CODE:
		1837	{
		1838	dREQ (REQ_TXN_FINISH, 1);
		1839	req->txn = txn;
		1840	req->uint1 = flags;
		1841	REQ_SEND;
		1842	ptr_nuke (ST (0));
		1843	}
		1844
		1845	void
1380	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1846	db_c_close (DBC *dbc, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1381	CODE:	1849	CODE:
1382	{	1850	{
1383	dREQ (REQ_C_CLOSE);	1851	dREQ (REQ_C_CLOSE, 1);
1384	req->dbc = dbc;	1852	req->dbc = dbc;
1385	REQ_SEND;	1853	REQ_SEND;
1386	ptr_nuke (ST (0));	1854	ptr_nuke (ST (0));
1387	}	1855	}
1388		1856
1389	void	1857	void
1390	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1858	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1859	PREINIT:
		1860	CALLBACK
1391	CODE:	1861	CODE:
1392	{	1862	{
1393	dREQ (REQ_C_COUNT);	1863	dREQ (REQ_C_COUNT, 1);
1394	req->dbc = dbc;	1864	req->dbc = dbc;
1395	req->sv1 = SvREFCNT_inc (count);	1865	req->sv1 = SvREFCNT_inc (count);
1396	REQ_SEND;	1866	REQ_SEND;
1397	}	1867	}
1398		1868
1399	void	1869	void
1400	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1870	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1871	PREINIT:
		1872	CALLBACK
1401	CODE:	1873	CODE:
1402	{	1874	{
1403	dREQ (REQ_C_PUT);	1875	dREQ (REQ_C_PUT, 1);
1404	req->dbc = dbc;	1876	req->dbc = dbc;
1405	sv_to_dbt (&req->dbt1, key);	1877	sv_to_dbt (&req->dbt1, key);
1406	sv_to_dbt (&req->dbt2, data);	1878	sv_to_dbt (&req->dbt2, data);
1407	req->uint1 = flags;	1879	req->uint1 = flags;
1408	REQ_SEND;	1880	REQ_SEND;
1409	}	1881	}
1410		1882
1411	void	1883	void
1412	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1884	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1885	PREINIT:
		1886	CALLBACK
1413	CODE:	1887	CODE:
1414	{	1888	{
1415	dREQ (REQ_C_GET);	1889	dREQ (REQ_C_GET, 1);
1416	req->dbc = dbc;	1890	req->dbc = dbc;
1417	req->uint1 = flags;	1891	req->uint1 = flags;
1418	if ((flags & DB_SET) == DB_SET	1892	if ((flags & DB_SET) == DB_SET
1419	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1893	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1420	sv_to_dbt (&req->dbt1, key);	1894	sv_to_dbt (&req->dbt1, key);
…		…
1432	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1906	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1433	REQ_SEND;	1907	REQ_SEND;
1434	}	1908	}
1435		1909
1436	void	1910	void
1437	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1911	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1912	PREINIT:
		1913	CALLBACK
1438	CODE:	1914	CODE:
1439	{	1915	{
1440	dREQ (REQ_C_PGET);	1916	dREQ (REQ_C_PGET, 1);
1441	req->dbc = dbc;	1917	req->dbc = dbc;
1442	req->uint1 = flags;	1918	req->uint1 = flags;
1443	if ((flags & DB_SET) == DB_SET	1919	if ((flags & DB_SET) == DB_SET
1444	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1920	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1445	sv_to_dbt (&req->dbt1, key);	1921	sv_to_dbt (&req->dbt1, key);
…		…
1460	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1936	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1461	REQ_SEND;	1937	REQ_SEND;
1462	}	1938	}
1463		1939
1464	void	1940	void
1465	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1941	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1942	PREINIT:
		1943	CALLBACK
1466	CODE:	1944	CODE:
1467	{	1945	{
1468	dREQ (REQ_C_DEL);	1946	dREQ (REQ_C_DEL, 1);
1469	req->dbc = dbc;	1947	req->dbc = dbc;
1470	req->uint1 = flags;	1948	req->uint1 = flags;
1471	REQ_SEND;	1949	REQ_SEND;
1472	}	1950	}
1473		1951
1474		1952
		1953	#if DB_VERSION_MINOR >= 3
		1954
1475	void	1955	void
1476	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1956	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1957	PREINIT:
		1958	CALLBACK
1477	CODE:	1959	CODE:
1478	{	1960	{
1479	dREQ (REQ_SEQ_OPEN);	1961	dREQ (REQ_SEQ_OPEN, 2);
1480	req->seq = seq;	1962	req->seq = seq;
1481	req->txn = txnid;	1963	req->txn = txnid;
1482	req->uint1 = flags | DB_THREAD;	1964	req->uint1 = flags | DB_THREAD;
1483	sv_to_dbt (&req->dbt1, key);	1965	sv_to_dbt (&req->dbt1, key);
1484	REQ_SEND;	1966	REQ_SEND;
1485	}	1967	}
1486		1968
1487	void	1969	void
1488	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1970	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1971	PREINIT:
		1972	CALLBACK
1489	CODE:	1973	CODE:
1490	{	1974	{
1491	dREQ (REQ_SEQ_CLOSE);	1975	dREQ (REQ_SEQ_CLOSE, 1);
1492	req->seq = seq;	1976	req->seq = seq;
1493	req->uint1 = flags;	1977	req->uint1 = flags;
1494	REQ_SEND;	1978	REQ_SEND;
1495	ptr_nuke (ST (0));	1979	ptr_nuke (ST (0));
1496	}	1980	}
1497		1981
1498	void	1982	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)	1983	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1984	PREINIT:
		1985	CALLBACK
1500	CODE:	1986	CODE:
1501	{	1987	{
1502	dREQ (REQ_SEQ_GET);	1988	dREQ (REQ_SEQ_GET, 2);
1503	req->seq = seq;	1989	req->seq = seq;
1504	req->txn = txnid;	1990	req->txn = txnid;
1505	req->int1 = delta;	1991	req->int1 = delta;
1506	req->uint1 = flags;	1992	req->uint1 = flags;
1507	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1993	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1508	REQ_SEND;	1994	REQ_SEND;
1509	}	1995	}
1510		1996
1511	void	1997	void
1512	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1998	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1999	PREINIT:
		2000	CALLBACK
1513	CODE:	2001	CODE:
1514	{	2002	{
1515	dREQ (REQ_SEQ_REMOVE);	2003	dREQ (REQ_SEQ_REMOVE, 2);
1516	req->seq = seq;	2004	req->seq = seq;
1517	req->txn = txnid;	2005	req->txn = txnid;
1518	req->uint1 = flags;	2006	req->uint1 = flags;
1519	REQ_SEND;	2007	REQ_SEND;
1520	}	2008	}
1521		2009
		2010	#endif
		2011
1522		2012
1523	MODULE = BDB PACKAGE = BDB::Env	2013	MODULE = BDB PACKAGE = BDB::Env
1524		2014
1525	void	2015	void
1526	DESTROY (DB_ENV_ornull *env)	2016	DESTROY (DB_ENV_ornuked *env)
1527	CODE:	2017	CODE:
1528	if (env)	2018	if (env)
1529	env->close (env, 0);	2019	env->close (env, 0);
1530		2020
1531	int set_data_dir (DB_ENV *env, const char *dir)	2021	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1556	CODE:	2046	CODE:
1557	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2047	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1558	OUTPUT:	2048	OUTPUT:
1559	RETVAL	2049	RETVAL
1560		2050
1561	int set_flags (DB_ENV *env, U32 flags, int onoff)	2051	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1562	CODE:	2052	CODE:
1563	RETVAL = env->set_flags (env, flags, onoff);	2053	RETVAL = env->set_flags (env, flags, onoff);
1564	OUTPUT:	2054	OUTPUT:
1565	RETVAL	2055	RETVAL
1566		2056
		2057	#if DB_VERSION_MINOR >= 7
		2058
		2059	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2060	CODE:
		2061	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2062	OUTPUT:
		2063	RETVAL
		2064
		2065	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2066	CODE:
		2067	RETVAL = env->log_set_config (env, flags, onoff);
		2068	OUTPUT:
		2069	RETVAL
		2070
		2071	#endif
		2072
		2073
		2074	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2075	CODE:
		2076	env->set_errfile (env, errfile);
		2077
		2078	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2079	CODE:
		2080	env->set_msgfile (env, msgfile);
		2081
		2082	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2083	CODE:
		2084	RETVAL = env->set_verbose (env, which, onoff);
		2085	OUTPUT:
		2086	RETVAL
		2087
1567	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2088	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1568	CODE:	2089	CODE:
1569	RETVAL = env->set_encrypt (env, password, flags);	2090	RETVAL = env->set_encrypt (env, password, flags);
1570	OUTPUT:	2091	OUTPUT:
1571	RETVAL	2092	RETVAL
1572		2093
1573	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2094	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1574	CODE:	2095	CODE:
1575	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2096	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1576	OUTPUT:	2097	OUTPUT:
1577	RETVAL	2098	RETVAL
1578		2099
…		…
1627	int set_lg_max (DB_ENV *env, U32 max)	2148	int set_lg_max (DB_ENV *env, U32 max)
1628	CODE:	2149	CODE:
1629	RETVAL = env->set_lg_max (env, max);	2150	RETVAL = env->set_lg_max (env, max);
1630	OUTPUT:	2151	OUTPUT:
1631	RETVAL	2152	RETVAL
		2153
		2154	#if DB_VERSION_MINOR >= 4
		2155
		2156	int mutex_set_max (DB_ENV *env, U32 max)
		2157	CODE:
		2158	RETVAL = env->mutex_set_max (env, max);
		2159	OUTPUT:
		2160	RETVAL
		2161
		2162	int mutex_set_increment (DB_ENV *env, U32 increment)
		2163	CODE:
		2164	RETVAL = env->mutex_set_increment (env, increment);
		2165	OUTPUT:
		2166	RETVAL
		2167
		2168	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2169	CODE:
		2170	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2171	OUTPUT:
		2172	RETVAL
		2173
		2174	int mutex_set_align (DB_ENV *env, U32 align)
		2175	CODE:
		2176	RETVAL = env->mutex_set_align (env, align);
		2177	OUTPUT:
		2178	RETVAL
		2179
		2180	#endif
1632		2181
1633	DB_TXN *	2182	DB_TXN *
1634	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2183	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1635	CODE:	2184	CODE:
1636	errno = env->txn_begin (env, parent, &RETVAL, flags);	2185	errno = env->txn_begin (env, parent, &RETVAL, flags);
1637	if (errno)	2186	if (errno)
1638	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2187	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1639	OUTPUT:	2188	OUTPUT:
1640	RETVAL	2189	RETVAL
1641		2190
		2191	#if DB_VERSION_MINOR >= 5
		2192
		2193	DB_TXN *
		2194	cdsgroup_begin (DB_ENV *env)
		2195	CODE:
		2196	errno = env->cdsgroup_begin (env, &RETVAL);
		2197	if (errno)
		2198	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2199	OUTPUT:
		2200	RETVAL
		2201
		2202	#endif
		2203
1642	MODULE = BDB PACKAGE = BDB::Db	2204	MODULE = BDB PACKAGE = BDB::Db
1643		2205
1644	void	2206	void
1645	DESTROY (DB_ornull *db)	2207	DESTROY (DB_ornuked *db)
1646	CODE:	2208	CODE:
1647	if (db)	2209	if (db)
1648	{	2210	{
1649	SV *env = (SV *)db->app_private;	2211	SV *env = (SV *)db->app_private;
1650	db->close (db, 0);	2212	db->close (db, 0);
…		…
1655	CODE:	2217	CODE:
1656	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2218	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1657	OUTPUT:	2219	OUTPUT:
1658	RETVAL	2220	RETVAL
1659		2221
1660	int set_flags (DB *db, U32 flags);	2222	int set_flags (DB *db, U32 flags)
1661	CODE:	2223	CODE:
1662	RETVAL = db->set_flags (db, flags);	2224	RETVAL = db->set_flags (db, flags);
1663	OUTPUT:	2225	OUTPUT:
1664	RETVAL	2226	RETVAL
1665		2227
…		…
1679	CODE:	2241	CODE:
1680	RETVAL = db->set_bt_minkey (db, minkey);	2242	RETVAL = db->set_bt_minkey (db, minkey);
1681	OUTPUT:	2243	OUTPUT:
1682	RETVAL	2244	RETVAL
1683		2245
1684	int set_re_delim(DB *db, int delim);	2246	int set_re_delim (DB *db, int delim)
1685	CODE:	2247	CODE:
1686	RETVAL = db->set_re_delim (db, delim);	2248	RETVAL = db->set_re_delim (db, delim);
1687	OUTPUT:	2249	OUTPUT:
1688	RETVAL	2250	RETVAL
1689		2251
…		…
1730	if (errno)	2292	if (errno)
1731	croak ("DB->cursor: %s", db_strerror (errno));	2293	croak ("DB->cursor: %s", db_strerror (errno));
1732	OUTPUT:	2294	OUTPUT:
1733	RETVAL	2295	RETVAL
1734		2296
		2297	#if DB_VERSION_MINOR >= 3
		2298
1735	DB_SEQUENCE *	2299	DB_SEQUENCE *
1736	sequence (DB *db, U32 flags = 0)	2300	sequence (DB *db, U32 flags = 0)
1737	CODE:	2301	CODE:
1738	{	2302	{
1739	errno = db_sequence_create (&RETVAL, db, flags);	2303	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1741	croak ("db_sequence_create: %s", db_strerror (errno));	2305	croak ("db_sequence_create: %s", db_strerror (errno));
1742	}	2306	}
1743	OUTPUT:	2307	OUTPUT:
1744	RETVAL	2308	RETVAL
1745		2309
		2310	#endif
		2311
1746		2312
1747	MODULE = BDB PACKAGE = BDB::Txn	2313	MODULE = BDB PACKAGE = BDB::Txn
1748		2314
1749	void	2315	void
1750	DESTROY (DB_TXN_ornull *txn)	2316	DESTROY (DB_TXN_ornuked *txn)
1751	CODE:	2317	CODE:
1752	if (txn)	2318	if (txn)
1753	txn->abort (txn);	2319	txn->abort (txn);
1754		2320
1755	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2321	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1756	CODE:	2322	CODE:
1757	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2323	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1758	OUTPUT:	2324	OUTPUT:
1759	RETVAL	2325	RETVAL
1760		2326
		2327	int failed (DB_TXN *txn)
		2328	CODE:
		2329	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2330	OUTPUT:
		2331	RETVAL
		2332
1761		2333
1762	MODULE = BDB PACKAGE = BDB::Cursor	2334	MODULE = BDB PACKAGE = BDB::Cursor
1763		2335
1764	void	2336	void
1765	DESTROY (DBC_ornull *dbc)	2337	DESTROY (DBC_ornuked *dbc)
1766	CODE:	2338	CODE:
1767	if (dbc)	2339	if (dbc)
1768	dbc->c_close (dbc);	2340	dbc->c_close (dbc);
1769		2341
		2342	#if DB_VERSION_MINOR >= 6
		2343
		2344	int set_priority (DBC *dbc, int priority)
		2345	CODE:
		2346	dbc->set_priority (dbc, priority);
		2347
		2348	#endif
		2349
		2350	#if DB_VERSION_MINOR >= 3
		2351
1770	MODULE = BDB PACKAGE = BDB::Sequence	2352	MODULE = BDB PACKAGE = BDB::Sequence
1771		2353
1772	void	2354	void
1773	DESTROY (DB_SEQUENCE_ornull *seq)	2355	DESTROY (DB_SEQUENCE_ornuked *seq)
1774	CODE:	2356	CODE:
1775	if (seq)	2357	if (seq)
1776	seq->close (seq, 0);	2358	seq->close (seq, 0);
1777		2359
1778	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2360	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1797	CODE:	2379	CODE:
1798	RETVAL = seq->set_range (seq, min, max);	2380	RETVAL = seq->set_range (seq, min, max);
1799	OUTPUT:	2381	OUTPUT:
1800	RETVAL	2382	RETVAL
1801		2383
		2384	#endif
		2385
		2386

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