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Comparing BDB/BDB.xs (file contents):
Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC vs.
Revision 1.46 by root, Wed Jul 9 21:16:14 2008 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
		9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
		17
9	#include <stddef.h>	18	#include <stddef.h>
10	#include <stdlib.h>	19	#include <stdlib.h>
11	#include <errno.h>	20	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	21	#include <sys/types.h>
14	#include <limits.h>	22	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	23	#include <fcntl.h>
17		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
18	#include <db.h>	30	#include <db.h>
19		31
20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
21	# error you need Berkeley DB 4.5 or newer installed	33	# error you need Berkeley DB 4.4 or newer installed
22	#endif	34	#endif
23		35
24	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
26		38
…		…
28	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	42	typedef DB DB_ornull;
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
32		44
		45	typedef DB_ENV DB_ENV_ornuked;
		46	typedef DB_TXN DB_TXN_ornuked;
		47	typedef DBC DBC_ornuked;
		48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
33	typedef SV SV8; /* byte-sv, used for argument-checking */	51	typedef SV SV8; /* byte-sv, used for argument-checking */
34	typedef char *octetstring;	52	typedef char *bdb_filename;
35		53
36	static SV *prepare_cb;	54	static SV *prepare_cb;
37		55
		56	#if DB_VERSION_MINOR >= 6
		57	# define c_close close
		58	# define c_count count
		59	# define c_del del
		60	# define c_dup dup
		61	# define c_get get
		62	# define c_pget pget
		63	# define c_put put
		64	#endif
		65
38	static inline char *	66	static char *
		67	get_bdb_filename (SV *sv)
		68	{
		69	if (!SvOK (sv))
		70	return 0;
		71
		72	#if _WIN32
		73	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		74	{
		75	STRLEN len;
		76	char *src = SvPVbyte (sv, len);
		77	SV *t1 = sv_newmortal ();
		78	SV *t2 = sv_newmortal ();
		79
		80	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		81	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		82
		83	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		84	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		85	SvPOK_only (t2);
		86	SvPVX (t2)[len] = 0;
		87	SvCUR_set (t2, len);
		88
		89	return SvPVX (t2);
		90	}
		91	#else
		92	return SvPVbyte_nolen (sv);
		93	#endif
		94	}
		95
		96	static void
		97	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		98	{
		99	printf ("err[%s]\n", msg);
		100	}
		101
		102	static void
		103	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		104	{
		105	printf ("msg[%s]\n", msg);
		106	}
		107
		108	static char *
39	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
40	{	110	{
41	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
42	}	112	}
43		113
44	static inline void	114	static void
45	sv_to_dbt (DBT *dbt, SV *sv)	115	sv_to_dbt (DBT *dbt, SV *sv)
46	{	116	{
47	STRLEN len;	117	STRLEN len;
48	char *data = SvPVbyte (sv, len);	118	char *data = SvPVbyte (sv, len);
49		119
…		…
51	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
52	dbt->size = len;	122	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	123	dbt->flags = DB_DBT_REALLOC;
54	}	124	}
55		125
56	static inline void	126	static void
57	dbt_to_sv (SV *sv, DBT *dbt)	127	dbt_to_sv (SV *sv, DBT *dbt)
58	{	128	{
59	if (sv)	129	if (sv)
60	{	130	{
61	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
…		…
67	}	137	}
68		138
69	enum {	139	enum {
70	REQ_QUIT,	140	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	142	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,	143	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,	144	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,	145	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,	146	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,	147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	148	};
79		149
80	typedef struct aio_cb	150	typedef struct bdb_cb
81	{	151	{
82	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
83	SV *callback;	153	SV *callback;
84	int type, pri, result;	154	int type, pri, result;
85		155
86	DB_ENV *env;	156	DB_ENV *env;
87	DB *db;	157	DB *db;
…		…
89	DBC *dbc;	159	DBC *dbc;
90		160
91	UV uv1;	161	UV uv1;
92	int int1, int2;	162	int int1, int2;
93	U32 uint1, uint2;	163	U32 uint1, uint2;
94	char *buf1, *buf2;	164	char *buf1, *buf2, *buf3;
95	SV *sv1, *sv2, *sv3;	165	SV *sv1, *sv2, *sv3;
96		166
97	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	168	DB_KEY_RANGE key_range;
99	DB_SEQUENCE *seq;	169	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	170	db_seq_t seq_t;
101	} aio_cb;	171	} bdb_cb;
102		172
103	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
104		174
105	enum {	175	enum {
106	PRI_MIN = -4,	176	PRI_MIN = -4,
107	PRI_MAX = 4,	177	PRI_MAX = 4,
108		178
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	182	};
113		183
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		185
		186	static SV *on_next_submit;
		187
116	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
118		190
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	192	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
135	struct worker *prev, *next;	207	struct worker *prev, *next;
136		208
137	thread_t tid;	209	thread_t tid;
138		210
139	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
141	void *dbuf;	213	void *dbuf;
142	DIR *dirp;	214	DIR *dirp;
143	} worker;	215	} worker;
144		216
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	229	}
158		230
159	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		235
164	static mutex_t reslock = X_MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = X_MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = X_COND_INIT;	238	static cond_t reqwait = X_COND_INIT;
167		239
168	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
169		241
170	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
171	{	243	{
172	unsigned int retval;	244	unsigned int retval;
173		245
174	X_LOCK (reqlock);	246	X_LOCK (reqlock);
175	retval = nready;	247	retval = nready;
176	X_UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
177		249
178	return retval;	250	return retval;
179	}	251	}
180		252
181	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
182	{	254	{
183	unsigned int retval;	255	unsigned int retval;
184		256
185	X_LOCK (reslock);	257	X_LOCK (reslock);
186	retval = npending;	258	retval = npending;
187	X_UNLOCK (reslock);	259	X_UNLOCK (reslock);
188		260
189	return retval;	261	return retval;
190	}	262	}
191		263
192	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
193	{	265	{
194	unsigned int retval;	266	unsigned int retval;
195		267
196	X_LOCK (wrklock);	268	X_LOCK (wrklock);
197	retval = started;	269	retval = started;
…		…
212	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
215	*/	287	*/
216	typedef struct {	288	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	290	int size;
219	} reqq;	291	} reqq;
220		292
221	static reqq req_queue;	293	static reqq req_queue;
222	static reqq res_queue;	294	static reqq res_queue;
223		295
224	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
225	{	297	{
226	int pri = req->pri;	298	int pri = req->pri;
227	req->next = 0;	299	req->next = 0;
228		300
229	if (q->qe[pri])	301	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
236		308
237	return q->size++;	309	return q->size++;
238	}	310	}
239		311
240	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
241	{	313	{
242	int pri;	314	int pri;
243		315
244	if (!q->size)	316	if (!q->size)
245	return 0;	317	return 0;
246		318
247	--q->size;	319	--q->size;
248		320
249	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
250	{	322	{
251	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
252		324
253	if (req)	325	if (req)
254	{	326	{
255	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
260	}	332	}
261		333
262	abort ();	334	abort ();
263	}	335	}
264		336
265	static int poll_cb ();	337	static int poll_cb (void);
266	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
268		340
269	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
270	{	342	{
271	dSP;	343	dSP;
272		344
273	if (SvOK (req->callback))	345	if (req->callback)
274	{	346	{
275	ENTER;	347	ENTER;
276	SAVETMPS;	348	SAVETMPS;
277	PUSHMARK (SP);	349	PUSHMARK (SP);
278		350
…		…
292	dbt_to_sv (req->sv1, &req->dbt1);	364	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);	365	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);	366	dbt_to_sv (req->sv3, &req->dbt3);
295	break;	367	break;
296		368
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (0, &req->dbt1);
		372	dbt_to_sv (0, &req->dbt2);
		373	break;
		374
297	case REQ_DB_KEY_RANGE:	375	case REQ_DB_KEY_RANGE:
298	{	376	{
299	AV *av = newAV ();	377	AV *av = newAV ();
300		378
301	av_push (av, newSVnv (req->key_range.less));	379	av_push (av, newSVnv (req->key_range.less));
…		…
310		388
311	case REQ_SEQ_GET:	389	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);	390	SvREADONLY_off (req->sv1);
313		391
314	if (sizeof (IV) > 4)	392	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);	393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
316	else	394	else
317	sv_setnv_mg (req->sv1, req->seq_t);	395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
318		396
319	SvREFCNT_dec (req->sv1);	397	SvREFCNT_dec (req->sv1);
320	break;	398	break;
321	}	399	}
322		400
…		…
331	}	409	}
332		410
333	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
334	}	412	}
335		413
336	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
337	{	415	{
		416	SvREFCNT_dec (req->callback);
		417
338	free (req->buf1);	418	free (req->buf1);
339	free (req->buf2);	419	free (req->buf2);
		420	free (req->buf3);
		421
340	Safefree (req);	422	Safefree (req);
341	}	423	}
342		424
343	static void *aio_proc (void *arg);	425	#ifdef USE_SOCKETS_AS_HANDLES
		426	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		427	#else
		428	# define TO_SOCKET(x) (x)
		429	#endif
		430
		431	static void
		432	create_respipe (void)
		433	{
		434	#ifdef _WIN32
		435	int arg; /* argg */
		436	#endif
		437	int old_readfd = respipe [0];
		438
		439	if (respipe [1] >= 0)
		440	respipe_close (TO_SOCKET (respipe [1]));
		441
		442	#ifdef _WIN32
		443	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		444	#else
		445	if (pipe (respipe))
		446	#endif
		447	croak ("unable to initialize result pipe");
		448
		449	if (old_readfd >= 0)
		450	{
		451	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		452	croak ("unable to initialize result pipe(2)");
		453
		454	respipe_close (respipe [0]);
		455	respipe [0] = old_readfd;
		456	}
		457
		458	#ifdef _WIN32
		459	arg = 1;
		460	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		461	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		462	#else
		463	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		464	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		465	#endif
		466	croak ("unable to initialize result pipe(3)");
		467
		468	respipe_osf [0] = TO_SOCKET (respipe [0]);
		469	respipe_osf [1] = TO_SOCKET (respipe [1]);
		470	}
		471
		472	X_THREAD_PROC (bdb_proc);
344		473
345	static void start_thread (void)	474	static void start_thread (void)
346	{	475	{
347	worker *wrk = calloc (1, sizeof (worker));	476	worker *wrk = calloc (1, sizeof (worker));
348		477
349	if (!wrk)	478	if (!wrk)
350	croak ("unable to allocate worker thread data");	479	croak ("unable to allocate worker thread data");
351		480
352	X_LOCK (wrklock);	481	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	482	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	483	{
355	wrk->prev = &wrk_first;	484	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	485	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	486	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	487	wrk_first.next = wrk;
…		…
362	free (wrk);	491	free (wrk);
363		492
364	X_UNLOCK (wrklock);	493	X_UNLOCK (wrklock);
365	}	494	}
366		495
367	static void maybe_start_thread ()	496	static void maybe_start_thread (void)
368	{	497	{
369	if (get_nthreads () >= wanted)	498	if (get_nthreads () >= wanted)
370	return;	499	return;
371		500
372	/* todo: maybe use idle here, but might be less exact */	501	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	503	return;
375		504
376	start_thread ();	505	start_thread ();
377	}	506	}
378		507
379	static void req_send (aio_req req)	508	static void req_send (bdb_req req)
380	{	509	{
381	SV *wait_callback = 0;	510	SV *wait_callback = 0;
382		511
		512	if (on_next_submit)
		513	{
		514	dSP;
		515	SV *cb = sv_2mortal (on_next_submit);
		516
		517	on_next_submit = 0;
		518
		519	PUSHMARK (SP);
		520	PUTBACK;
		521	call_sv (cb, G_DISCARD | G_EVAL);
		522	}
		523
383	// synthesize callback if none given	524	// synthesize callback if none given
384	if (!SvOK (req->callback))	525	if (!req->callback)
385	{	526	{
		527	int count;
		528
386	dSP;	529	dSP;
387	PUSHMARK (SP);	530	PUSHMARK (SP);
388	PUTBACK;	531	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	532	count = call_sv (prepare_cb, G_ARRAY);
390	SPAGAIN;	533	SPAGAIN;
391		534
392	if (count != 2)	535	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");	536	croak ("prepare callback must return exactly two values\n");
394		537
395	wait_callback = SvREFCNT_inc (POPs);	538	wait_callback = POPs;
396	SvREFCNT_dec (req->callback);	539	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);	540	req->callback = SvREFCNT_inc (POPs);
398	}	541	}
399		542
400	++nreqs;	543	++nreqs;
…		…
411	{	554	{
412	dSP;	555	dSP;
413	PUSHMARK (SP);	556	PUSHMARK (SP);
414	PUTBACK;	557	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	558	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	559	}
418	}	560	}
419		561
420	static void end_thread (void)	562	static void end_thread (void)
421	{	563	{
422	aio_req req;	564	bdb_req req;
423		565
424	Newz (0, req, 1, aio_cb);	566	Newz (0, req, 1, bdb_cb);
425		567
426	req->type = REQ_QUIT;	568	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	569	req->pri = PRI_MAX + PRI_BIAS;
428		570
429	X_LOCK (reqlock);	571	X_LOCK (reqlock);
…		…
456		598
457	while (started > wanted)	599	while (started > wanted)
458	end_thread ();	600	end_thread ();
459	}	601	}
460		602
461	static void poll_wait ()	603	static void poll_wait (void)
462	{	604	{
463	fd_set rfd;	605	fd_set rfd;
464		606
465	while (nreqs)	607	while (nreqs)
466	{	608	{
…		…
472	if (size)	614	if (size)
473	return;	615	return;
474		616
475	maybe_start_thread ();	617	maybe_start_thread ();
476		618
477	FD_ZERO(&rfd);	619	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	620	FD_SET (respipe [0], &rfd);
479		621
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	622	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	623	}
482	}	624	}
483		625
484	static int poll_cb ()	626	static int poll_cb (void)
485	{	627	{
486	dSP;	628	dSP;
487	int count = 0;	629	int count = 0;
488	int maxreqs = max_poll_reqs;	630	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	631	int do_croak = 0;
490	struct timeval tv_start, tv_now;	632	struct timeval tv_start, tv_now;
491	aio_req req;	633	bdb_req req;
492		634
493	if (max_poll_time)	635	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	636	gettimeofday (&tv_start, 0);
495		637
496	for (;;)	638	for (;;)
…		…
508		650
509	if (!res_queue.size)	651	if (!res_queue.size)
510	{	652	{
511	/* read any signals sent by the worker threads */	653	/* read any signals sent by the worker threads */
512	char buf [4];	654	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	655	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	656	;
515	}	657	}
516	}	658	}
517		659
518	X_UNLOCK (reslock);	660	X_UNLOCK (reslock);
…		…
555	return count;	697	return count;
556	}	698	}
557		699
558	/*****************************************************************************/	700	/*****************************************************************************/
559		701
560	static void *aio_proc (void *thr_arg)	702	X_THREAD_PROC (bdb_proc)
561	{	703	{
562	aio_req req;	704	bdb_req req;
563	struct timespec ts;	705	struct timespec ts;
564	worker *self = (worker *)thr_arg;	706	worker *self = (worker *)thr_arg;
565		707
566	/* try to distribute timeouts somewhat evenly */	708	/* try to distribute timeouts somewhat evenly */
567	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	709	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
568	* (1000000000UL / 1024UL);
569		710
570	for (;;)	711	for (;;)
571	{	712	{
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	713	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573		714
…		…
608	X_UNLOCK (reqlock);	749	X_UNLOCK (reqlock);
609		750
610	switch (req->type)	751	switch (req->type)
611	{	752	{
612	case REQ_QUIT:	753	case REQ_QUIT:
		754	req->result = ENOSYS;
613	goto quit;	755	goto quit;
614		756
615	case REQ_ENV_OPEN:	757	case REQ_ENV_OPEN:
616	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	758	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
617	break;	759	break;
…		…
634		776
635	case REQ_ENV_MEMP_TRICKLE:	777	case REQ_ENV_MEMP_TRICKLE:
636	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	778	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
637	break;	779	break;
638		780
		781	case REQ_ENV_DBREMOVE:
		782	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		783	break;
		784
		785	case REQ_ENV_DBRENAME:
		786	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		787	break;
		788
639	case REQ_DB_OPEN:	789	case REQ_DB_OPEN:
640	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	790	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
641	break;	791	break;
642		792
643	case REQ_DB_CLOSE:	793	case REQ_DB_CLOSE:
…		…
650		800
651	case REQ_DB_SYNC:	801	case REQ_DB_SYNC:
652	req->result = req->db->sync (req->db, req->uint1);	802	req->result = req->db->sync (req->db, req->uint1);
653	break;	803	break;
654		804
		805	case REQ_DB_UPGRADE:
		806	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		807	break;
		808
655	case REQ_DB_PUT:	809	case REQ_DB_PUT:
656	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	810	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
657	break;	811	break;
658		812
		813	#if DB_VERSION_MINOR >= 6
		814	case REQ_DB_EXISTS:
		815	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		816	break;
		817	#endif
659	case REQ_DB_GET:	818	case REQ_DB_GET:
660	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	819	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
661	break;	820	break;
662		821
663	case REQ_DB_PGET:	822	case REQ_DB_PGET:
…		…
676	req->result = req->txn->commit (req->txn, req->uint1);	835	req->result = req->txn->commit (req->txn, req->uint1);
677	break;	836	break;
678		837
679	case REQ_TXN_ABORT:	838	case REQ_TXN_ABORT:
680	req->result = req->txn->abort (req->txn);	839	req->result = req->txn->abort (req->txn);
		840	break;
		841
		842	case REQ_TXN_FINISH:
		843	if (req->txn->flags & TXN_DEADLOCK)
		844	{
		845	req->result = req->txn->abort (req->txn);
		846	if (!req->result)
		847	req->result = DB_LOCK_DEADLOCK;
		848	}
		849	else
		850	req->result = req->txn->commit (req->txn, req->uint1);
681	break;	851	break;
682		852
683	case REQ_C_CLOSE:	853	case REQ_C_CLOSE:
684	req->result = req->dbc->c_close (req->dbc);	854	req->result = req->dbc->c_close (req->dbc);
685	break;	855	break;
…		…
727	default:	897	default:
728	req->result = ENOSYS;	898	req->result = ENOSYS;
729	break;	899	break;
730	}	900	}
731		901
		902	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		903	req->txn->flags |= TXN_DEADLOCK;
		904
732	X_LOCK (reslock);	905	X_LOCK (reslock);
733		906
734	++npending;	907	++npending;
735		908
736	if (!reqq_push (&res_queue, req))	909	if (!reqq_push (&res_queue, req))
737	/* write a dummy byte to the pipe so fh becomes ready */	910	/* write a dummy byte to the pipe so fh becomes ready */
738	write (respipe [1], &respipe, 1);	911	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
739		912
740	self->req = 0;	913	self->req = 0;
741	worker_clear (self);	914	worker_clear (self);
742		915
743	X_UNLOCK (reslock);	916	X_UNLOCK (reslock);
…		…
767	X_UNLOCK (wrklock);	940	X_UNLOCK (wrklock);
768	}	941	}
769		942
770	static void atfork_child (void)	943	static void atfork_child (void)
771	{	944	{
772	aio_req prv;	945	bdb_req prv;
773		946
774	while (prv = reqq_shift (&req_queue))	947	while (prv = reqq_shift (&req_queue))
775	req_free (prv);	948	req_free (prv);
776		949
777	while (prv = reqq_shift (&res_queue))	950	while (prv = reqq_shift (&res_queue))
…		…
792	idle = 0;	965	idle = 0;
793	nreqs = 0;	966	nreqs = 0;
794	nready = 0;	967	nready = 0;
795	npending = 0;	968	npending = 0;
796		969
797	close (respipe [0]);	970	create_respipe ();
798	close (respipe [1]);
799
800	if (!create_pipe (respipe))
801	croak ("unable to initialize result pipe");
802		971
803	atfork_parent ();	972	atfork_parent ();
804	}	973	}
805		974
806	#define dREQ(reqtype) \	975	#define dREQ(reqtype) \
807	aio_req req; \	976	bdb_req req; \
808	int req_pri = next_pri; \	977	int req_pri = next_pri; \
809	next_pri = DEFAULT_PRI + PRI_BIAS; \	978	next_pri = DEFAULT_PRI + PRI_BIAS; \
810	\	979	\
811	if (SvOK (callback) && !SvROK (callback)) \	980	if (callback && SvOK (callback)) \
812	croak ("callback must be undef or of reference type"); \	981	croak ("callback has illegal type or extra arguments"); \
813	\	982	\
814	Newz (0, req, 1, aio_cb); \	983	Newz (0, req, 1, bdb_cb); \
815	if (!req) \	984	if (!req) \
816	croak ("out of memory during aio_req allocation"); \	985	croak ("out of memory during bdb_req allocation"); \
817	\	986	\
818	req->callback = newSVsv (callback); \	987	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
819	req->type = (reqtype); \	988	req->type = (reqtype); \
820	req->pri = req_pri	989	req->pri = req_pri
821		990
822	#define REQ_SEND \	991	#define REQ_SEND \
823	req_send (req)	992	req_send (req)
824		993
825	#define SvPTR(var, arg, type, class, nullok) \	994	#define SvPTR(var, arg, type, class, nullok) \
826	if (!SvOK (arg)) \	995	if (!SvOK (arg)) \
827	{ \	996	{ \
828	if (!nullok) \	997	if (nullok != 1) \
829	croak (# var " must be a " # class " object, not undef"); \	998	croak (# var " must be a " # class " object, not undef"); \
830	\	999	\
831	(var) = 0; \	1000	(var) = 0; \
832	} \	1001	} \
833	else if (sv_derived_from ((arg), # class)) \	1002	else if (sv_derived_from ((arg), # class)) \
834	{ \	1003	{ \
835	IV tmp = SvIV ((SV*) SvRV (arg)); \	1004	IV tmp = SvIV ((SV*) SvRV (arg)); \
836	(var) = INT2PTR (type, tmp); \	1005	(var) = INT2PTR (type, tmp); \
837	if (!var) \	1006	if (!var && nullok != 2) \
838	croak (# var " is not a valid " # class " object anymore"); \	1007	croak (# var " is not a valid " # class " object anymore"); \
839	} \	1008	} \
840	else \	1009	else \
841	croak (# var " is not of type " # class); \	1010	croak (# var " is not of type " # class);
842	\
843		1011
844	static void	1012	static void
845	ptr_nuke (SV *sv)	1013	ptr_nuke (SV *sv)
846	{	1014	{
847	assert (SvROK (sv));	1015	assert (SvROK (sv));
848	sv_setiv (SvRV (sv), 0);	1016	sv_setiv (SvRV (sv), 0);
849	}	1017	}
		1018
		1019	static int
		1020	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1021	{
		1022	if (*mg->mg_ptr == '!') // should always be the case
		1023	if (-30999 <= errno && errno <= -30800)
		1024	{
		1025	sv_setnv (sv, (NV)errno);
		1026	sv_setpv (sv, db_strerror (errno));
		1027	SvNOK_on (sv); /* what a wonderful hack! */
		1028	// ^^^ copied from perl sources
		1029	return 0;
		1030	}
		1031
		1032	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1033	}
		1034
		1035	static MGVTBL vtbl_errno;
		1036
		1037	// this wonderful hack :( patches perl's $! variable to support our errno values
		1038	static void
		1039	patch_errno (void)
		1040	{
		1041	SV *sv;
		1042	MAGIC *mg;
		1043
		1044	if (!(sv = get_sv ("!", 1)))
		1045	return;
		1046
		1047	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1048	return;
		1049
		1050	if (mg->mg_virtual != &PL_vtbl_sv)
		1051	return;
		1052
		1053	vtbl_errno = PL_vtbl_sv;
		1054	vtbl_errno.svt_get = errno_get;
		1055	mg->mg_virtual = &vtbl_errno;
		1056	}
		1057
		1058	#if __GNUC__ >= 4
		1059	# define noinline __attribute__ ((noinline))
		1060	#else
		1061	# define noinline
		1062	#endif
		1063
		1064	static noinline SV *
		1065	pop_callback (I32 *ritems, SV *sv)
		1066	{
		1067	if (SvROK (sv))
		1068	{
		1069	HV *st;
		1070	GV *gvp;
		1071	CV *cv;
		1072	const char *name;
		1073
		1074	/* forgive me */
		1075	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1076	&& (st = SvSTASH (SvRV (sv)))
		1077	&& (name = HvNAME_get (st))
		1078	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1079	return 0;
		1080
		1081	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1082	{
		1083	--*ritems;
		1084	return (SV *)cv;
		1085	}
		1086	}
		1087
		1088	return 0;
		1089	}
		1090
		1091	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
850		1092
851	MODULE = BDB PACKAGE = BDB	1093	MODULE = BDB PACKAGE = BDB
852		1094
853	PROTOTYPES: ENABLE	1095	PROTOTYPES: ENABLE
854		1096
…		…
870	const_iv (INIT_TXN)	1112	const_iv (INIT_TXN)
871	const_iv (RECOVER)	1113	const_iv (RECOVER)
872	const_iv (INIT_TXN)	1114	const_iv (INIT_TXN)
873	const_iv (RECOVER_FATAL)	1115	const_iv (RECOVER_FATAL)
874	const_iv (CREATE)	1116	const_iv (CREATE)
		1117	const_iv (RDONLY)
875	const_iv (USE_ENVIRON)	1118	const_iv (USE_ENVIRON)
876	const_iv (USE_ENVIRON_ROOT)	1119	const_iv (USE_ENVIRON_ROOT)
877	const_iv (LOCKDOWN)	1120	const_iv (LOCKDOWN)
878	const_iv (PRIVATE)	1121	const_iv (PRIVATE)
879	const_iv (REGISTER)	1122	const_iv (REGISTER)
880	const_iv (SYSTEM_MEM)	1123	const_iv (SYSTEM_MEM)
881	const_iv (AUTO_COMMIT)	1124	const_iv (AUTO_COMMIT)
882	const_iv (CDB_ALLDB)	1125	const_iv (CDB_ALLDB)
883	const_iv (DIRECT_DB)	1126	const_iv (DIRECT_DB)
884	const_iv (DIRECT_LOG)
885	const_iv (DSYNC_DB)	1127	const_iv (DSYNC_DB)
886	const_iv (DSYNC_LOG)
887	const_iv (LOG_AUTOREMOVE)
888	const_iv (LOG_INMEMORY)
889	const_iv (NOLOCKING)	1128	const_iv (NOLOCKING)
890	const_iv (MULTIVERSION)
891	const_iv (NOMMAP)	1129	const_iv (NOMMAP)
892	const_iv (NOPANIC)	1130	const_iv (NOPANIC)
893	const_iv (OVERWRITE)	1131	const_iv (OVERWRITE)
894	const_iv (PANIC_ENVIRONMENT)	1132	const_iv (PANIC_ENVIRONMENT)
895	const_iv (REGION_INIT)	1133	const_iv (REGION_INIT)
896	const_iv (TIME_NOTGRANTED)	1134	const_iv (TIME_NOTGRANTED)
897	const_iv (TXN_NOSYNC)	1135	const_iv (TXN_NOSYNC)
898	const_iv (TXN_SNAPSHOT)	1136	const_iv (TXN_NOT_DURABLE)
899	const_iv (TXN_WRITE_NOSYNC)	1137	const_iv (TXN_WRITE_NOSYNC)
900	const_iv (WRITECURSOR)	1138	const_iv (WRITECURSOR)
901	const_iv (YIELDCPU)	1139	const_iv (YIELDCPU)
902	const_iv (ENCRYPT_AES)	1140	const_iv (ENCRYPT_AES)
903	const_iv (XA_CREATE)	1141	const_iv (XA_CREATE)
…		…
911	const_iv (READ_UNCOMMITTED)	1149	const_iv (READ_UNCOMMITTED)
912	const_iv (TRUNCATE)	1150	const_iv (TRUNCATE)
913	const_iv (NOSYNC)	1151	const_iv (NOSYNC)
914	const_iv (CHKSUM)	1152	const_iv (CHKSUM)
915	const_iv (ENCRYPT)	1153	const_iv (ENCRYPT)
916	const_iv (TXN_NOT_DURABLE)
917	const_iv (DUP)	1154	const_iv (DUP)
918	const_iv (DUPSORT)	1155	const_iv (DUPSORT)
919	const_iv (RECNUM)	1156	const_iv (RECNUM)
920	const_iv (RENUMBER)	1157	const_iv (RENUMBER)
921	const_iv (REVSPLITOFF)	1158	const_iv (REVSPLITOFF)
…		…
926	const_iv (GET_BOTH_RANGE)	1163	const_iv (GET_BOTH_RANGE)
927	//const_iv (SET_RECNO)	1164	//const_iv (SET_RECNO)
928	//const_iv (MULTIPLE)	1165	//const_iv (MULTIPLE)
929	const_iv (SNAPSHOT)	1166	const_iv (SNAPSHOT)
930	const_iv (JOIN_ITEM)	1167	const_iv (JOIN_ITEM)
		1168	const_iv (JOIN_NOSORT)
931	const_iv (RMW)	1169	const_iv (RMW)
932		1170
933	const_iv (NOTFOUND)	1171	const_iv (NOTFOUND)
934	const_iv (KEYEMPTY)	1172	const_iv (KEYEMPTY)
935	const_iv (LOCK_DEADLOCK)	1173	const_iv (LOCK_DEADLOCK)
…		…
946	const_iv (APPEND)	1184	const_iv (APPEND)
947	const_iv (NODUPDATA)	1185	const_iv (NODUPDATA)
948	const_iv (NOOVERWRITE)	1186	const_iv (NOOVERWRITE)
949		1187
950	const_iv (TXN_NOWAIT)	1188	const_iv (TXN_NOWAIT)
951	const_iv (TXN_SNAPSHOT)
952	const_iv (TXN_SYNC)	1189	const_iv (TXN_SYNC)
953		1190
954	const_iv (SET_LOCK_TIMEOUT)	1191	const_iv (SET_LOCK_TIMEOUT)
955	const_iv (SET_TXN_TIMEOUT)	1192	const_iv (SET_TXN_TIMEOUT)
956		1193
957	const_iv (JOIN_ITEM)
958	const_iv (FIRST)	1194	const_iv (FIRST)
959	const_iv (NEXT)	1195	const_iv (NEXT)
960	const_iv (NEXT_DUP)	1196	const_iv (NEXT_DUP)
961	const_iv (NEXT_NODUP)	1197	const_iv (NEXT_NODUP)
962	const_iv (PREV)	1198	const_iv (PREV)
…		…
984	const_iv (LOCK_YOUNGEST)	1220	const_iv (LOCK_YOUNGEST)
985		1221
986	const_iv (SEQ_DEC)	1222	const_iv (SEQ_DEC)
987	const_iv (SEQ_INC)	1223	const_iv (SEQ_INC)
988	const_iv (SEQ_WRAP)	1224	const_iv (SEQ_WRAP)
		1225
		1226	const_iv (BUFFER_SMALL)
		1227	const_iv (DONOTINDEX)
		1228	const_iv (KEYEMPTY )
		1229	const_iv (KEYEXIST )
		1230	const_iv (LOCK_DEADLOCK)
		1231	const_iv (LOCK_NOTGRANTED)
		1232	const_iv (LOG_BUFFER_FULL)
		1233	const_iv (NOSERVER)
		1234	const_iv (NOSERVER_HOME)
		1235	const_iv (NOSERVER_ID)
		1236	const_iv (NOTFOUND)
		1237	const_iv (PAGE_NOTFOUND)
		1238	const_iv (REP_DUPMASTER)
		1239	const_iv (REP_HANDLE_DEAD)
		1240	const_iv (REP_HOLDELECTION)
		1241	const_iv (REP_IGNORE)
		1242	const_iv (REP_ISPERM)
		1243	const_iv (REP_JOIN_FAILURE)
		1244	const_iv (REP_LOCKOUT)
		1245	const_iv (REP_NEWMASTER)
		1246	const_iv (REP_NEWSITE)
		1247	const_iv (REP_NOTPERM)
		1248	const_iv (REP_UNAVAIL)
		1249	const_iv (RUNRECOVERY)
		1250	const_iv (SECONDARY_BAD)
		1251	const_iv (VERIFY_BAD)
		1252	const_iv (VERSION_MISMATCH)
		1253
		1254	const_iv (VERB_DEADLOCK)
		1255	const_iv (VERB_RECOVERY)
		1256	const_iv (VERB_REGISTER)
		1257	const_iv (VERB_REPLICATION)
		1258	const_iv (VERB_WAITSFOR)
		1259
		1260	const_iv (VERSION_MAJOR)
		1261	const_iv (VERSION_MINOR)
		1262	const_iv (VERSION_PATCH)
		1263	#if DB_VERSION_MINOR >= 5
		1264	const_iv (MULTIVERSION)
		1265	const_iv (TXN_SNAPSHOT)
		1266	#endif
		1267	#if DB_VERSION_MINOR >= 6
		1268	const_iv (PREV_DUP)
		1269	const_iv (PRIORITY_UNCHANGED)
		1270	const_iv (PRIORITY_VERY_LOW)
		1271	const_iv (PRIORITY_LOW)
		1272	const_iv (PRIORITY_DEFAULT)
		1273	const_iv (PRIORITY_HIGH)
		1274	const_iv (PRIORITY_VERY_HIGH)
		1275	#endif
		1276	#if DB_VERSION_MINOR >= 7
		1277	const_iv (LOG_DIRECT)
		1278	const_iv (LOG_DSYNC)
		1279	const_iv (LOG_AUTO_REMOVE)
		1280	const_iv (LOG_IN_MEMORY)
		1281	const_iv (LOG_ZERO)
		1282	#else
		1283	const_iv (DIRECT_LOG)
		1284	const_iv (DSYNC_LOG)
		1285	const_iv (LOG_AUTOREMOVE)
		1286	const_iv (LOG_INMEMORY)
		1287	#endif
989	};	1288	};
990		1289
991	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1290	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
992	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1291	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
993		1292
		1293	{
		1294	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1295	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1296
		1297	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1298	}
		1299
		1300	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1301
994	if (!create_pipe (respipe))	1302	create_respipe ();
995	croak ("unable to initialize result pipe");
996		1303
997	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1304	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
998	#ifdef _WIN32	1305	patch_errno ();
999	X_MUTEX_CHECK (wrklock);
1000	X_MUTEX_CHECK (reslock);
1001	X_MUTEX_CHECK (reqlock);
1002
1003	X_COND_CHECK (reqwait);
1004	#endif
1005	}	1306	}
1006		1307
1007	void	1308	void
1008	max_poll_reqs (int nreqs)	1309	max_poll_reqs (int nreqs)
1009	PROTOTYPE: $	1310	PROTOTYPE: $
…		…
1141	PROTOTYPE: &	1442	PROTOTYPE: &
1142	CODE:	1443	CODE:
1143	SvREFCNT_dec (prepare_cb);	1444	SvREFCNT_dec (prepare_cb);
1144	prepare_cb = newSVsv (cb);	1445	prepare_cb = newSVsv (cb);
1145		1446
		1447	char *
		1448	strerror (int errorno = errno)
		1449	PROTOTYPE: ;$
		1450	CODE:
		1451	RETVAL = db_strerror (errorno);
		1452	OUTPUT:
		1453	RETVAL
		1454
		1455	void _on_next_submit (SV *cb)
		1456	CODE:
		1457	SvREFCNT_dec (on_next_submit);
		1458	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1146		1459
1147	DB_ENV *	1460	DB_ENV *
1148	db_env_create (U32 env_flags = 0)	1461	db_env_create (U32 env_flags = 0)
1149	CODE:	1462	CODE:
1150	{	1463	{
1151	errno = db_env_create (&RETVAL, env_flags);	1464	errno = db_env_create (&RETVAL, env_flags);
1152	if (errno)	1465	if (errno)
1153	croak ("db_env_create: %s", db_strerror (errno));	1466	croak ("db_env_create: %s", db_strerror (errno));
		1467
		1468	if (0)
		1469	{
		1470	RETVAL->set_errcall (RETVAL, debug_errcall);
		1471	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1472	}
1154	}	1473	}
1155	OUTPUT:	1474	OUTPUT:
1156	RETVAL	1475	RETVAL
1157		1476
1158	void	1477	void
1159	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1478	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1479	PREINIT:
		1480	CALLBACK
1160	CODE:	1481	CODE:
1161	{	1482	{
1162	env->set_thread_count (env, get_nthreads ());
1163
1164	dREQ (REQ_ENV_OPEN);	1483	dREQ (REQ_ENV_OPEN);
1165	req->env = env;	1484	req->env = env;
1166	req->uint1 = open_flags | DB_THREAD;	1485	req->uint1 = open_flags | DB_THREAD;
1167	req->int1 = mode;	1486	req->int1 = mode;
1168	req->buf1 = strdup_ornull (db_home);	1487	req->buf1 = strdup_ornull (db_home);
1169	REQ_SEND;	1488	REQ_SEND;
1170	}	1489	}
1171		1490
1172	void	1491	void
1173	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1492	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1493	PREINIT:
		1494	CALLBACK
1174	CODE:	1495	CODE:
1175	{	1496	{
1176	dREQ (REQ_ENV_CLOSE);	1497	dREQ (REQ_ENV_CLOSE);
1177	req->env = env;	1498	req->env = env;
1178	req->uint1 = flags;	1499	req->uint1 = flags;
1179	REQ_SEND;	1500	REQ_SEND;
1180	ptr_nuke (ST (0));	1501	ptr_nuke (ST (0));
1181	}	1502	}
1182		1503
1183	void	1504	void
1184	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1505	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1506	PREINIT:
		1507	CALLBACK
1185	CODE:	1508	CODE:
1186	{	1509	{
1187	dREQ (REQ_ENV_TXN_CHECKPOINT);	1510	dREQ (REQ_ENV_TXN_CHECKPOINT);
1188	req->env = env;	1511	req->env = env;
1189	req->uint1 = kbyte;	1512	req->uint1 = kbyte;
…		…
1191	req->uint2 = flags;	1514	req->uint2 = flags;
1192	REQ_SEND;	1515	REQ_SEND;
1193	}	1516	}
1194		1517
1195	void	1518	void
1196	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1519	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1520	PREINIT:
		1521	CALLBACK
1197	CODE:	1522	CODE:
1198	{	1523	{
1199	dREQ (REQ_ENV_LOCK_DETECT);	1524	dREQ (REQ_ENV_LOCK_DETECT);
1200	req->env = env;	1525	req->env = env;
1201	req->uint1 = flags;	1526	req->uint1 = flags;
1202	req->uint2 = atype;	1527	req->uint2 = atype;
		1528	/* req->int2 = 0; dummy */
1203	REQ_SEND;	1529	REQ_SEND;
1204	}	1530	}
1205		1531
1206	void	1532	void
1207	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1533	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1534	PREINIT:
		1535	CALLBACK
1208	CODE:	1536	CODE:
1209	{	1537	{
1210	dREQ (REQ_ENV_MEMP_SYNC);	1538	dREQ (REQ_ENV_MEMP_SYNC);
1211	req->env = env;	1539	req->env = env;
1212	REQ_SEND;	1540	REQ_SEND;
1213	}	1541	}
1214		1542
1215	void	1543	void
1216	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1544	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1545	PREINIT:
		1546	CALLBACK
1217	CODE:	1547	CODE:
1218	{	1548	{
1219	dREQ (REQ_ENV_MEMP_TRICKLE);	1549	dREQ (REQ_ENV_MEMP_TRICKLE);
1220	req->env = env;	1550	req->env = env;
1221	req->int1 = percent;	1551	req->int1 = percent;
1222	REQ_SEND;	1552	REQ_SEND;
1223	}	1553	}
1224		1554
		1555	void
		1556	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1557	PREINIT:
		1558	CALLBACK
		1559	CODE:
		1560	{
		1561	dREQ (REQ_ENV_DBREMOVE);
		1562	req->env = env;
		1563	req->buf1 = strdup_ornull (file);
		1564	req->buf2 = strdup_ornull (database);
		1565	req->uint1 = flags;
		1566	REQ_SEND;
		1567	}
		1568
		1569	void
		1570	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)
		1571	PREINIT:
		1572	CALLBACK
		1573	CODE:
		1574	{
		1575	dREQ (REQ_ENV_DBRENAME);
		1576	req->env = env;
		1577	req->buf1 = strdup_ornull (file);
		1578	req->buf2 = strdup_ornull (database);
		1579	req->buf3 = strdup_ornull (newname);
		1580	req->uint1 = flags;
		1581	REQ_SEND;
		1582	}
1225		1583
1226	DB *	1584	DB *
1227	db_create (DB_ENV *env = 0, U32 flags = 0)	1585	db_create (DB_ENV *env = 0, U32 flags = 0)
1228	CODE:	1586	CODE:
1229	{	1587	{
…		…
1236	}	1594	}
1237	OUTPUT:	1595	OUTPUT:
1238	RETVAL	1596	RETVAL
1239		1597
1240	void	1598	void
1241	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1599	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1600	PREINIT:
		1601	CALLBACK
1242	CODE:	1602	CODE:
1243	{	1603	{
1244	dREQ (REQ_DB_OPEN);	1604	dREQ (REQ_DB_OPEN);
1245	req->db = db;	1605	req->db = db;
1246	req->txn = txnid;	1606	req->txn = txnid;
…		…
1251	req->int2 = mode;	1611	req->int2 = mode;
1252	REQ_SEND;	1612	REQ_SEND;
1253	}	1613	}
1254		1614
1255	void	1615	void
1256	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1616	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1617	PREINIT:
		1618	CALLBACK
1257	CODE:	1619	CODE:
1258	{	1620	{
1259	dREQ (REQ_DB_CLOSE);	1621	dREQ (REQ_DB_CLOSE);
1260	req->db = db;	1622	req->db = db;
1261	req->uint1 = flags;	1623	req->uint1 = flags;
…		…
1263	REQ_SEND;	1625	REQ_SEND;
1264	ptr_nuke (ST (0));	1626	ptr_nuke (ST (0));
1265	}	1627	}
1266		1628
1267	void	1629	void
1268	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)	1630	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)
		1631	PREINIT:
		1632	CALLBACK
1269	CODE:	1633	CODE:
1270	{	1634	{
1271	dREQ (REQ_DB_COMPACT);	1635	dREQ (REQ_DB_COMPACT);
1272	req->db = db;	1636	req->db = db;
1273	req->txn = txn;	1637	req->txn = txn;
…		…
1276	req->uint1 = flags;	1640	req->uint1 = flags;
1277	REQ_SEND;	1641	REQ_SEND;
1278	}	1642	}
1279		1643
1280	void	1644	void
1281	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1645	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1646	PREINIT:
		1647	CALLBACK
1282	CODE:	1648	CODE:
1283	{	1649	{
1284	dREQ (REQ_DB_SYNC);	1650	dREQ (REQ_DB_SYNC);
1285	req->db = db;	1651	req->db = db;
1286	req->uint1 = flags;	1652	req->uint1 = flags;
1287	REQ_SEND;	1653	REQ_SEND;
1288	}	1654	}
1289		1655
1290	void	1656	void
		1657	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
		1660	CODE:
		1661	{
		1662	dREQ (REQ_DB_SYNC);
		1663	req->db = db;
		1664	req->buf1 = strdup (file);
		1665	req->uint1 = flags;
		1666	REQ_SEND;
		1667	}
		1668
		1669	void
1291	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1670	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1671	PREINIT:
		1672	CALLBACK
1292	CODE:	1673	CODE:
1293	{	1674	{
1294	dREQ (REQ_DB_KEY_RANGE);	1675	dREQ (REQ_DB_KEY_RANGE);
1295	req->db = db;	1676	req->db = db;
1296	req->txn = txn;	1677	req->txn = txn;
…		…
1299	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1680	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1300	REQ_SEND;	1681	REQ_SEND;
1301	}	1682	}
1302		1683
1303	void	1684	void
1304	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1685	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1686	PREINIT:
		1687	CALLBACK
1305	CODE:	1688	CODE:
1306	{	1689	{
1307	dREQ (REQ_DB_PUT);	1690	dREQ (REQ_DB_PUT);
1308	req->db = db;	1691	req->db = db;
1309	req->txn = txn;	1692	req->txn = txn;
…		…
1311	sv_to_dbt (&req->dbt2, data);	1694	sv_to_dbt (&req->dbt2, data);
1312	req->uint1 = flags;	1695	req->uint1 = flags;
1313	REQ_SEND;	1696	REQ_SEND;
1314	}	1697	}
1315		1698
		1699	#if DB_VERSION_MINOR >= 6
		1700
1316	void	1701	void
		1702	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1703	PREINIT:
		1704	CALLBACK
		1705	CODE:
		1706	{
		1707	dREQ (REQ_DB_EXISTS);
		1708	req->db = db;
		1709	req->txn = txn;
		1710	req->uint1 = flags;
		1711	sv_to_dbt (&req->dbt1, key);
		1712	REQ_SEND;
		1713	}
		1714
		1715	#endif
		1716
		1717	void
1317	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1718	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1719	PREINIT:
		1720	CALLBACK
1318	CODE:	1721	CODE:
		1722	if (SvREADONLY (data))
		1723	croak ("can't modify read-only data scalar in db_get");
1319	{	1724	{
1320	dREQ (REQ_DB_GET);	1725	dREQ (REQ_DB_GET);
1321	req->db = db;	1726	req->db = db;
1322	req->txn = txn;	1727	req->txn = txn;
1323	req->uint1 = flags;	1728	req->uint1 = flags;
…		…
1326	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1731	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1327	REQ_SEND;	1732	REQ_SEND;
1328	}	1733	}
1329		1734
1330	void	1735	void
1331	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1736	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
1332	CODE:	1739	CODE:
		1740	if (SvREADONLY (data))
		1741	croak ("can't modify read-only data scalar in db_pget");
1333	{	1742	{
1334	dREQ (REQ_DB_PGET);	1743	dREQ (REQ_DB_PGET);
1335	req->db = db;	1744	req->db = db;
1336	req->txn = txn;	1745	req->txn = txn;
1337	req->uint1 = flags;	1746	req->uint1 = flags;
…		…
1341	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1750	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1342	REQ_SEND;	1751	REQ_SEND;
1343	}	1752	}
1344		1753
1345	void	1754	void
1346	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1755	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1756	PREINIT:
		1757	CALLBACK
1347	CODE:	1758	CODE:
1348	{	1759	{
1349	dREQ (REQ_DB_DEL);	1760	dREQ (REQ_DB_DEL);
1350	req->db = db;	1761	req->db = db;
1351	req->txn = txn;	1762	req->txn = txn;
…		…
1353	sv_to_dbt (&req->dbt1, key);	1764	sv_to_dbt (&req->dbt1, key);
1354	REQ_SEND;	1765	REQ_SEND;
1355	}	1766	}
1356		1767
1357	void	1768	void
1358	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1769	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1770	PREINIT:
		1771	CALLBACK
1359	CODE:	1772	CODE:
1360	{	1773	{
1361	dREQ (REQ_TXN_COMMIT);	1774	dREQ (REQ_TXN_COMMIT);
1362	req->txn = txn;	1775	req->txn = txn;
1363	req->uint1 = flags;	1776	req->uint1 = flags;
1364	REQ_SEND;	1777	REQ_SEND;
1365	ptr_nuke (ST (0));	1778	ptr_nuke (ST (0));
1366	}	1779	}
1367		1780
1368	void	1781	void
1369	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1782	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1783	PREINIT:
		1784	CALLBACK
1370	CODE:	1785	CODE:
1371	{	1786	{
1372	dREQ (REQ_TXN_ABORT);	1787	dREQ (REQ_TXN_ABORT);
1373	req->txn = txn;	1788	req->txn = txn;
1374	REQ_SEND;	1789	REQ_SEND;
1375	ptr_nuke (ST (0));	1790	ptr_nuke (ST (0));
1376	}	1791	}
1377		1792
1378	void	1793	void
		1794	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1795	PREINIT:
		1796	CALLBACK
		1797	CODE:
		1798	{
		1799	dREQ (REQ_TXN_FINISH);
		1800	req->txn = txn;
		1801	req->uint1 = flags;
		1802	REQ_SEND;
		1803	ptr_nuke (ST (0));
		1804	}
		1805
		1806	void
1379	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1807	db_c_close (DBC *dbc, SV *callback = 0)
		1808	PREINIT:
		1809	CALLBACK
1380	CODE:	1810	CODE:
1381	{	1811	{
1382	dREQ (REQ_C_CLOSE);	1812	dREQ (REQ_C_CLOSE);
1383	req->dbc = dbc;	1813	req->dbc = dbc;
1384	REQ_SEND;	1814	REQ_SEND;
1385	ptr_nuke (ST (0));	1815	ptr_nuke (ST (0));
1386	}	1816	}
1387		1817
1388	void	1818	void
1389	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1819	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
1390	CODE:	1822	CODE:
1391	{	1823	{
1392	dREQ (REQ_C_COUNT);	1824	dREQ (REQ_C_COUNT);
1393	req->dbc = dbc;	1825	req->dbc = dbc;
1394	req->sv1 = SvREFCNT_inc (count);	1826	req->sv1 = SvREFCNT_inc (count);
1395	REQ_SEND;	1827	REQ_SEND;
1396	}	1828	}
1397		1829
1398	void	1830	void
1399	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1831	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1832	PREINIT:
		1833	CALLBACK
1400	CODE:	1834	CODE:
1401	{	1835	{
1402	dREQ (REQ_C_PUT);	1836	dREQ (REQ_C_PUT);
1403	req->dbc = dbc;	1837	req->dbc = dbc;
1404	sv_to_dbt (&req->dbt1, key);	1838	sv_to_dbt (&req->dbt1, key);
…		…
1406	req->uint1 = flags;	1840	req->uint1 = flags;
1407	REQ_SEND;	1841	REQ_SEND;
1408	}	1842	}
1409		1843
1410	void	1844	void
1411	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1845	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1846	PREINIT:
		1847	CALLBACK
1412	CODE:	1848	CODE:
1413	{	1849	{
1414	dREQ (REQ_C_GET);	1850	dREQ (REQ_C_GET);
1415	req->dbc = dbc;	1851	req->dbc = dbc;
1416	req->uint1 = flags;	1852	req->uint1 = flags;
…		…
1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1867	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1432	REQ_SEND;	1868	REQ_SEND;
1433	}	1869	}
1434		1870
1435	void	1871	void
1436	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1872	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1873	PREINIT:
		1874	CALLBACK
1437	CODE:	1875	CODE:
1438	{	1876	{
1439	dREQ (REQ_C_PGET);	1877	dREQ (REQ_C_PGET);
1440	req->dbc = dbc;	1878	req->dbc = dbc;
1441	req->uint1 = flags;	1879	req->uint1 = flags;
…		…
1459	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1897	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1460	REQ_SEND;	1898	REQ_SEND;
1461	}	1899	}
1462		1900
1463	void	1901	void
1464	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1902	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1903	PREINIT:
		1904	CALLBACK
1465	CODE:	1905	CODE:
1466	{	1906	{
1467	dREQ (REQ_C_DEL);	1907	dREQ (REQ_C_DEL);
1468	req->dbc = dbc;	1908	req->dbc = dbc;
1469	req->uint1 = flags;	1909	req->uint1 = flags;
1470	REQ_SEND;	1910	REQ_SEND;
1471	}	1911	}
1472		1912
1473		1913
1474	void	1914	void
1475	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1915	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1916	PREINIT:
		1917	CALLBACK
1476	CODE:	1918	CODE:
1477	{	1919	{
1478	dREQ (REQ_SEQ_OPEN);	1920	dREQ (REQ_SEQ_OPEN);
1479	req->seq = seq;	1921	req->seq = seq;
1480	req->txn = txnid;	1922	req->txn = txnid;
…		…
1482	sv_to_dbt (&req->dbt1, key);	1924	sv_to_dbt (&req->dbt1, key);
1483	REQ_SEND;	1925	REQ_SEND;
1484	}	1926	}
1485		1927
1486	void	1928	void
1487	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1929	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1930	PREINIT:
		1931	CALLBACK
1488	CODE:	1932	CODE:
1489	{	1933	{
1490	dREQ (REQ_SEQ_CLOSE);	1934	dREQ (REQ_SEQ_CLOSE);
1491	req->seq = seq;	1935	req->seq = seq;
1492	req->uint1 = flags;	1936	req->uint1 = flags;
1493	REQ_SEND;	1937	REQ_SEND;
1494	ptr_nuke (ST (0));	1938	ptr_nuke (ST (0));
1495	}	1939	}
1496		1940
1497	void	1941	void
1498	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)	1942	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1943	PREINIT:
		1944	CALLBACK
1499	CODE:	1945	CODE:
1500	{	1946	{
1501	dREQ (REQ_SEQ_GET);	1947	dREQ (REQ_SEQ_GET);
1502	req->seq = seq;	1948	req->seq = seq;
1503	req->txn = txnid;	1949	req->txn = txnid;
…		…
1506	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1952	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1507	REQ_SEND;	1953	REQ_SEND;
1508	}	1954	}
1509		1955
1510	void	1956	void
1511	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1957	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1958	PREINIT:
		1959	CALLBACK
1512	CODE:	1960	CODE:
1513	{	1961	{
1514	dREQ (REQ_SEQ_REMOVE);	1962	dREQ (REQ_SEQ_REMOVE);
1515	req->seq = seq;	1963	req->seq = seq;
1516	req->txn = txnid;	1964	req->txn = txnid;
…		…
1520		1968
1521		1969
1522	MODULE = BDB PACKAGE = BDB::Env	1970	MODULE = BDB PACKAGE = BDB::Env
1523		1971
1524	void	1972	void
1525	DESTROY (DB_ENV_ornull *env)	1973	DESTROY (DB_ENV_ornuked *env)
1526	CODE:	1974	CODE:
1527	if (env)	1975	if (env)
1528	env->close (env, 0);	1976	env->close (env, 0);
1529		1977
1530	int set_data_dir (DB_ENV *env, const char *dir)	1978	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1555	CODE:	2003	CODE:
1556	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2004	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1557	OUTPUT:	2005	OUTPUT:
1558	RETVAL	2006	RETVAL
1559		2007
1560	int set_flags (DB_ENV *env, U32 flags, int onoff)	2008	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1561	CODE:	2009	CODE:
1562	RETVAL = env->set_flags (env, flags, onoff);	2010	RETVAL = env->set_flags (env, flags, onoff);
1563	OUTPUT:	2011	OUTPUT:
1564	RETVAL	2012	RETVAL
1565		2013
		2014	#if DB_VERSION_MINOR >= 7
		2015
		2016	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2017	CODE:
		2018	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2023	CODE:
		2024	RETVAL = env->log_set_config (env, flags, onoff);
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	#endif
		2029
		2030
		2031	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2032	CODE:
		2033	env->set_errfile (env, errfile);
		2034
		2035	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2036	CODE:
		2037	env->set_msgfile (env, msgfile);
		2038
		2039	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2040	CODE:
		2041	RETVAL = env->set_verbose (env, which, onoff);
		2042	OUTPUT:
		2043	RETVAL
		2044
1566	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2045	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1567	CODE:	2046	CODE:
1568	RETVAL = env->set_encrypt (env, password, flags);	2047	RETVAL = env->set_encrypt (env, password, flags);
1569	OUTPUT:	2048	OUTPUT:
1570	RETVAL	2049	RETVAL
1571		2050
1572	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2051	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1573	CODE:	2052	CODE:
1574	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2053	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1575	OUTPUT:	2054	OUTPUT:
1576	RETVAL	2055	RETVAL
1577		2056
…		…
1625		2104
1626	int set_lg_max (DB_ENV *env, U32 max)	2105	int set_lg_max (DB_ENV *env, U32 max)
1627	CODE:	2106	CODE:
1628	RETVAL = env->set_lg_max (env, max);	2107	RETVAL = env->set_lg_max (env, max);
1629	OUTPUT:	2108	OUTPUT:
		2109	RETVAL
		2110
		2111	int mutex_set_max (DB_ENV *env, U32 max)
		2112	CODE:
		2113	RETVAL = env->mutex_set_max (env, max);
		2114	OUTPUT:
		2115	RETVAL
		2116
		2117	int mutex_set_increment (DB_ENV *env, U32 increment)
		2118	CODE:
		2119	RETVAL = env->mutex_set_increment (env, increment);
		2120	OUTPUT:
		2121	RETVAL
		2122
		2123	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2124	CODE:
		2125	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2126	OUTPUT:
		2127	RETVAL
		2128
		2129	int mutex_set_align (DB_ENV *env, U32 align)
		2130	CODE:
		2131	RETVAL = env->mutex_set_align (env, align);
		2132	OUTPUT:
1630	RETVAL	2133	RETVAL
1631		2134
1632	DB_TXN *	2135	DB_TXN *
1633	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2136	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1634	CODE:	2137	CODE:
…		…
1636	if (errno)	2139	if (errno)
1637	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2140	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1638	OUTPUT:	2141	OUTPUT:
1639	RETVAL	2142	RETVAL
1640		2143
		2144	#if DB_VERSION_MINOR >= 5
		2145
		2146	DB_TXN *
		2147	cdsgroup_begin (DB_ENV *env)
		2148	CODE:
		2149	errno = env->cdsgroup_begin (env, &RETVAL);
		2150	if (errno)
		2151	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2152	OUTPUT:
		2153	RETVAL
		2154
		2155	#endif
		2156
1641	MODULE = BDB PACKAGE = BDB::Db	2157	MODULE = BDB PACKAGE = BDB::Db
1642		2158
1643	void	2159	void
1644	DESTROY (DB_ornull *db)	2160	DESTROY (DB_ornuked *db)
1645	CODE:	2161	CODE:
1646	if (db)	2162	if (db)
1647	{	2163	{
1648	SV *env = (SV *)db->app_private;	2164	SV *env = (SV *)db->app_private;
1649	db->close (db, 0);	2165	db->close (db, 0);
…		…
1654	CODE:	2170	CODE:
1655	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2171	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1656	OUTPUT:	2172	OUTPUT:
1657	RETVAL	2173	RETVAL
1658		2174
1659	int set_flags (DB *db, U32 flags);	2175	int set_flags (DB *db, U32 flags)
1660	CODE:	2176	CODE:
1661	RETVAL = db->set_flags (db, flags);	2177	RETVAL = db->set_flags (db, flags);
1662	OUTPUT:	2178	OUTPUT:
1663	RETVAL	2179	RETVAL
1664		2180
…		…
1678	CODE:	2194	CODE:
1679	RETVAL = db->set_bt_minkey (db, minkey);	2195	RETVAL = db->set_bt_minkey (db, minkey);
1680	OUTPUT:	2196	OUTPUT:
1681	RETVAL	2197	RETVAL
1682		2198
1683	int set_re_delim(DB *db, int delim);	2199	int set_re_delim (DB *db, int delim)
1684	CODE:	2200	CODE:
1685	RETVAL = db->set_re_delim (db, delim);	2201	RETVAL = db->set_re_delim (db, delim);
1686	OUTPUT:	2202	OUTPUT:
1687	RETVAL	2203	RETVAL
1688		2204
…		…
1744		2260
1745		2261
1746	MODULE = BDB PACKAGE = BDB::Txn	2262	MODULE = BDB PACKAGE = BDB::Txn
1747		2263
1748	void	2264	void
1749	DESTROY (DB_TXN_ornull *txn)	2265	DESTROY (DB_TXN_ornuked *txn)
1750	CODE:	2266	CODE:
1751	if (txn)	2267	if (txn)
1752	txn->abort (txn);	2268	txn->abort (txn);
1753		2269
1754	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2270	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1755	CODE:	2271	CODE:
1756	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2272	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1757	OUTPUT:	2273	OUTPUT:
1758	RETVAL	2274	RETVAL
1759		2275
		2276	int failed (DB_TXN *txn)
		2277	CODE:
		2278	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2279	OUTPUT:
		2280	RETVAL
		2281
1760		2282
1761	MODULE = BDB PACKAGE = BDB::Cursor	2283	MODULE = BDB PACKAGE = BDB::Cursor
1762		2284
1763	void	2285	void
1764	DESTROY (DBC_ornull *dbc)	2286	DESTROY (DBC_ornuked *dbc)
1765	CODE:	2287	CODE:
1766	if (dbc)	2288	if (dbc)
1767	dbc->c_close (dbc);	2289	dbc->c_close (dbc);
1768		2290
		2291	#if DB_VERSION_MINOR >= 6
		2292
		2293	int set_priority (DBC *dbc, int priority)
		2294	CODE:
		2295	dbc->set_priority (dbc, priority);
		2296
		2297	#endif
		2298
1769	MODULE = BDB PACKAGE = BDB::Sequence	2299	MODULE = BDB PACKAGE = BDB::Sequence
1770		2300
1771	void	2301	void
1772	DESTROY (DB_SEQUENCE_ornull *seq)	2302	DESTROY (DB_SEQUENCE_ornuked *seq)
1773	CODE:	2303	CODE:
1774	if (seq)	2304	if (seq)
1775	seq->close (seq, 0);	2305	seq->close (seq, 0);
1776		2306
1777	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2307	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1796	CODE:	2326	CODE:
1797	RETVAL = seq->set_range (seq, min, max);	2327	RETVAL = seq->set_range (seq, min, max);
1798	OUTPUT:	2328	OUTPUT:
1799	RETVAL	2329	RETVAL
1800		2330
		2331

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