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Comparing BDB/BDB.xs (file contents):
Revision 1.20 by root, Tue Dec 4 10:13:50 2007 UTC vs.
Revision 1.72 by root, Fri Dec 4 15:04:06 2009 UTC

		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
6	#include "perl.h"	8	#include "perl.h"
7	#include "XSUB.h"	9	#include "XSUB.h"
8		10
		11	#include "schmorp.h"
		12
9	// perl stupidly defines these as macros, breaking	13	// perl stupidly defines these as argument-less macros, breaking
10	// lots and lots of code.	14	// lots and lots of code.
11	#undef open	15	#undef open
12	#undef close	16	#undef close
13	#undef abort	17	#undef abort
14	#undef malloc	18	#undef malloc
…		…
27	# include <unistd.h>	31	# include <unistd.h>
28	#endif	32	#endif
29		33
30	#include <db.h>	34	#include <db.h>
31		35
32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	36	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
33	# error you need Berkeley DB 4.4 or newer installed	37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
34	#endif	38	#endif
35		39
36	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
		42
		43	typedef SV SV_mutable;
38		44
39	typedef DB_ENV DB_ENV_ornull;	45	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	46	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	47	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	48	typedef DB DB_ornull;
		49
		50	typedef DB_ENV DB_ENV_ornuked;
		51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		58	#endif
44		59
45	typedef SV SV8; /* byte-sv, used for argument-checking */	60	typedef char *bdb_filename;
46	typedef char *octetstring;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
		63
		64	static HV
		65	*bdb_stash,
		66	*bdb_env_stash,
		67	*bdb_txn_stash,
		68	*bdb_cursor_stash,
		69	*bdb_db_stash,
		70	*bdb_sequence_stash;
49		71
50	#if DB_VERSION_MINOR >= 6	72	#if DB_VERSION_MINOR >= 6
51	# define c_close close	73	# define c_close close
52	# define c_count count	74	# define c_count count
53	# define c_del del	75	# define c_del del
…		…
55	# define c_get get	77	# define c_get get
56	# define c_pget pget	78	# define c_pget pget
57	# define c_put put	79	# define c_put put
58	#endif	80	#endif
59		81
		82	static char *
		83	get_bdb_filename (SV *sv)
		84	{
		85	if (!SvOK (sv))
		86	return 0;
		87
		88	#if _WIN32
		89	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		90	{
		91	STRLEN len;
		92	char *src = SvPVbyte (sv, len);
		93	SV *t1 = sv_newmortal ();
		94	SV *t2 = sv_newmortal ();
		95
		96	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		97	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		98
		99	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		100	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		101	SvPOK_only (t2);
		102	SvPVX (t2)[len] = 0;
		103	SvCUR_set (t2, len);
		104
		105	return SvPVX (t2);
		106	}
		107	#else
		108	return SvPVbyte_nolen (sv);
		109	#endif
		110	}
		111
60	static void	112	static void
61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)	113	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62	{	114	{
63	printf ("err[%s]\n", msg);	115	printf ("err[%s]\n", msg);
64	}	116	}
…		…
91	dbt_to_sv (SV *sv, DBT *dbt)	143	dbt_to_sv (SV *sv, DBT *dbt)
92	{	144	{
93	if (sv)	145	if (sv)
94	{	146	{
95	SvREADONLY_off (sv);	147	SvREADONLY_off (sv);
		148
		149	if (dbt->data)
96	sv_setpvn_mg (sv, dbt->data, dbt->size);	150	sv_setpvn_mg (sv, dbt->data, dbt->size);
		151	else
		152	sv_setsv_mg (sv, &PL_sv_undef);
		153
97	SvREFCNT_dec (sv);	154	SvREFCNT_dec (sv);
98	}	155	}
99		156
100	free (dbt->data);	157	free (dbt->data);
101	}	158	}
102		159
103	enum {	160	enum {
104	REQ_QUIT,	161	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	162	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	163	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		164	REQ_ENV_LOG_ARCHIVE,
107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	165	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	166	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
109	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,	167	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	168	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	169	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	170	};
113		171
114	typedef struct aio_cb	172	typedef struct bdb_cb
115	{	173	{
116	struct aio_cb *volatile next;	174	struct bdb_cb *volatile next;
117	SV *callback;	175	SV *callback;
118	int type, pri, result;	176	int type, pri, result;
119		177
120	DB_ENV *env;	178	DB_ENV *env;
121	DB *db;	179	DB *db;
…		…
123	DBC *dbc;	181	DBC *dbc;
124		182
125	UV uv1;	183	UV uv1;
126	int int1, int2;	184	int int1, int2;
127	U32 uint1, uint2;	185	U32 uint1, uint2;
128	char *buf1, *buf2;	186	char *buf1, *buf2, *buf3;
129	SV *sv1, *sv2, *sv3;	187	SV *sv1, *sv2, *sv3;
130		188
131	DBT dbt1, dbt2, dbt3;	189	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	190	DB_KEY_RANGE key_range;
		191	#if DB_VERSION_MINOR >= 3
133	DB_SEQUENCE *seq;	192	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	193	db_seq_t seq_t;
135	} aio_cb;	194	#endif
136		195
		196	SV *rsv1, *rsv2; // keep some request objects alive
		197	} bdb_cb;
		198
137	typedef aio_cb *aio_req;	199	typedef bdb_cb *bdb_req;
138		200
139	enum {	201	enum {
140	PRI_MIN = -4,	202	PRI_MIN = -4,
141	PRI_MAX = 4,	203	PRI_MAX = 4,
142		204
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	207	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	208	};
147		209
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	210	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		211
		212	static SV *on_next_submit;
		213
150	static unsigned int max_poll_time = 0;	214	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	215	static unsigned int max_poll_reqs = 0;
152		216
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	217	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	218	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
169	struct worker *prev, *next;	233	struct worker *prev, *next;
170		234
171	thread_t tid;	235	thread_t tid;
172		236
173	/* locked by reslock, reqlock or wrklock */	237	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	238	bdb_req req; /* currently processed request */
175	void *dbuf;	239	void *dbuf;
176	DIR *dirp;	240	DIR *dirp;
177	} worker;	241	} worker;
178		242
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	243	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
191	}	255	}
192		256
193	static volatile unsigned int nreqs, nready, npending;	257	static volatile unsigned int nreqs, nready, npending;
194	static volatile unsigned int max_idle = 4;	258	static volatile unsigned int max_idle = 4;
195	static volatile unsigned int max_outstanding = 0xffffffff;	259	static volatile unsigned int max_outstanding = 0xffffffff;
196	static int respipe_osf [2], respipe [2] = { -1, -1 };	260	static s_epipe respipe;
197		261
198	static mutex_t reslock = X_MUTEX_INIT;	262	static mutex_t reslock = X_MUTEX_INIT;
199	static mutex_t reqlock = X_MUTEX_INIT;	263	static mutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	264	static cond_t reqwait = X_COND_INIT;
201		265
202	#if WORDACCESS_UNSAFE	266	#if WORDACCESS_UNSAFE
203		267
204	static unsigned int get_nready ()	268	static unsigned int get_nready (void)
205	{	269	{
206	unsigned int retval;	270	unsigned int retval;
207		271
208	X_LOCK (reqlock);	272	X_LOCK (reqlock);
209	retval = nready;	273	retval = nready;
210	X_UNLOCK (reqlock);	274	X_UNLOCK (reqlock);
211		275
212	return retval;	276	return retval;
213	}	277	}
214		278
215	static unsigned int get_npending ()	279	static unsigned int get_npending (void)
216	{	280	{
217	unsigned int retval;	281	unsigned int retval;
218		282
219	X_LOCK (reslock);	283	X_LOCK (reslock);
220	retval = npending;	284	retval = npending;
221	X_UNLOCK (reslock);	285	X_UNLOCK (reslock);
222		286
223	return retval;	287	return retval;
224	}	288	}
225		289
226	static unsigned int get_nthreads ()	290	static unsigned int get_nthreads (void)
227	{	291	{
228	unsigned int retval;	292	unsigned int retval;
229		293
230	X_LOCK (wrklock);	294	X_LOCK (wrklock);
231	retval = started;	295	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	310	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	311	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	312	* per shift, the most expensive operation.
249	*/	313	*/
250	typedef struct {	314	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	315	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	316	int size;
253	} reqq;	317	} reqq;
254		318
255	static reqq req_queue;	319	static reqq req_queue;
256	static reqq res_queue;	320	static reqq res_queue;
257		321
258	int reqq_push (reqq *q, aio_req req)	322	int reqq_push (reqq *q, bdb_req req)
259	{	323	{
260	int pri = req->pri;	324	int pri = req->pri;
261	req->next = 0;	325	req->next = 0;
262		326
263	if (q->qe[pri])	327	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	333	q->qe[pri] = q->qs[pri] = req;
270		334
271	return q->size++;	335	return q->size++;
272	}	336	}
273		337
274	aio_req reqq_shift (reqq *q)	338	bdb_req reqq_shift (reqq *q)
275	{	339	{
276	int pri;	340	int pri;
277		341
278	if (!q->size)	342	if (!q->size)
279	return 0;	343	return 0;
280		344
281	--q->size;	345	--q->size;
282		346
283	for (pri = NUM_PRI; pri--; )	347	for (pri = NUM_PRI; pri--; )
284	{	348	{
285	aio_req req = q->qs[pri];	349	bdb_req req = q->qs[pri];
286		350
287	if (req)	351	if (req)
288	{	352	{
289	if (!(q->qs[pri] = req->next))	353	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	354	q->qe[pri] = 0;
…		…
294	}	358	}
295		359
296	abort ();	360	abort ();
297	}	361	}
298		362
299	static int poll_cb ();	363	static int poll_cb (void);
300	static void req_free (aio_req req);	364	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);
302		365
303	static int req_invoke (aio_req req)	366	static int req_invoke (bdb_req req)
304	{	367	{
305	dSP;	368	switch (req->type)
306
307	if (SvOK (req->callback))
308	{	369	{
		370	case REQ_DB_CLOSE:
		371	SvREFCNT_dec (req->sv1);
		372	break;
		373
		374	case REQ_DB_GET:
		375	case REQ_DB_PGET:
		376	case REQ_C_GET:
		377	case REQ_C_PGET:
		378	case REQ_DB_PUT:
		379	case REQ_C_PUT:
		380	dbt_to_sv (req->sv1, &req->dbt1);
		381	dbt_to_sv (req->sv2, &req->dbt2);
		382	dbt_to_sv (req->sv3, &req->dbt3);
		383	break;
		384
		385	case REQ_DB_KEY_RANGE:
		386	{
		387	AV *av = newAV ();
		388
		389	av_push (av, newSVnv (req->key_range.less));
		390	av_push (av, newSVnv (req->key_range.equal));
		391	av_push (av, newSVnv (req->key_range.greater));
		392
		393	av = (AV *)newRV_noinc ((SV *)av);
		394
		395	SvREADONLY_off (req->sv1);
		396	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		397	SvREFCNT_dec (av);
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
		414
		415	case REQ_ENV_LOG_ARCHIVE:
		416	{
		417	AV *av = newAV ();
		418	char **listp = (char **)req->buf1;
		419
		420	if (listp)
		421	while (*listp)
		422	av_push (av, newSVpv (*listp, 0)), ++listp;
		423
		424	av = (AV *)newRV_noinc ((SV *)av);
		425
		426	SvREADONLY_off (req->sv1);
		427	sv_setsv_mg (req->sv1, (SV *)av);
		428	SvREFCNT_dec (av);
		429	SvREFCNT_dec (req->sv1);
		430	}
		431	break;
		432	}
		433
		434	errno = req->result;
		435
		436	if (req->callback)
		437	{
		438	dSP;
		439
309	ENTER;	440	ENTER;
310	SAVETMPS;	441	SAVETMPS;
311	PUSHMARK (SP);	442	PUSHMARK (SP);
312		443
313	switch (req->type)
314	{
315	case REQ_DB_CLOSE:
316	SvREFCNT_dec (req->sv1);
317	break;
318
319	case REQ_DB_GET:
320	case REQ_DB_PGET:
321	dbt_to_sv (req->sv3, &req->dbt3);
322	break;
323
324	case REQ_C_GET:
325	case REQ_C_PGET:
326	dbt_to_sv (req->sv1, &req->dbt1);
327	dbt_to_sv (req->sv2, &req->dbt2);
328	dbt_to_sv (req->sv3, &req->dbt3);
329	break;
330
331	case REQ_DB_KEY_RANGE:
332	{
333	AV *av = newAV ();
334
335	av_push (av, newSVnv (req->key_range.less));
336	av_push (av, newSVnv (req->key_range.equal));
337	av_push (av, newSVnv (req->key_range.greater));
338
339	SvREADONLY_off (req->sv1);
340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341	SvREFCNT_dec (req->sv1);
342	}
343	break;
344
345	case REQ_SEQ_GET:
346	SvREADONLY_off (req->sv1);
347
348	if (sizeof (IV) > 4)
349	sv_setiv_mg (req->sv1, req->seq_t);
350	else
351	sv_setnv_mg (req->sv1, req->seq_t);
352
353	SvREFCNT_dec (req->sv1);
354	break;
355	}
356
357	errno = req->result;
358
359	PUTBACK;	444	PUTBACK;
360	call_sv (req->callback, G_VOID | G_EVAL);	445	call_sv (req->callback, G_VOID | G_EVAL);
361	SPAGAIN;	446	SPAGAIN;
362		447
363	FREETMPS;	448	FREETMPS;
364	LEAVE;	449	LEAVE;
		450
		451	return !SvTRUE (ERRSV);
365	}	452	}
366		453
367	return !SvTRUE (ERRSV);	454	return 1;
368	}	455	}
369		456
370	static void req_free (aio_req req)	457	static void req_free (bdb_req req)
371	{	458	{
		459	SvREFCNT_dec (req->callback);
		460
		461	SvREFCNT_dec (req->rsv1);
		462	SvREFCNT_dec (req->rsv2);
		463
372	free (req->buf1);	464	free (req->buf1);
373	free (req->buf2);	465	free (req->buf2);
		466	free (req->buf3);
		467
374	Safefree (req);	468	Safefree (req);
375	}	469	}
376		470
377	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else
380	# define TO_SOCKET(x) (x)
381	#endif
382
383	static void	471	static void
384	create_respipe ()	472	create_respipe (void)
385	{	473	{
386	int old_readfd = respipe [0];
387
388	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));
390
391	#ifdef _WIN32
392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393	#else
394	if (pipe (respipe))	474	if (s_epipe_renew (&respipe))
395	#endif	475	croak ("BDB: unable to create event pipe");
396	croak ("unable to initialize result pipe");
397
398	if (old_readfd >= 0)
399	{
400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401	croak ("unable to initialize result pipe(2)");
402
403	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;
405	}
406
407	#ifdef _WIN32
408	int arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
414	#endif
415	croak ("unable to initialize result pipe(3)");
416
417	respipe_osf [0] = TO_SOCKET (respipe [0]);
418	respipe_osf [1] = TO_SOCKET (respipe [1]);
419	}	476	}
420		477
		478	static void bdb_request (bdb_req req);
421	X_THREAD_PROC (bdb_proc);	479	X_THREAD_PROC (bdb_proc);
422		480
423	static void start_thread (void)	481	static void start_thread (void)
424	{	482	{
425	worker *wrk = calloc (1, sizeof (worker));	483	worker *wrk = calloc (1, sizeof (worker));
…		…
440	free (wrk);	498	free (wrk);
441		499
442	X_UNLOCK (wrklock);	500	X_UNLOCK (wrklock);
443	}	501	}
444		502
445	static void maybe_start_thread ()	503	static void maybe_start_thread (void)
446	{	504	{
447	if (get_nthreads () >= wanted)	505	if (get_nthreads () >= wanted)
448	return;	506	return;
449		507
450	/* todo: maybe use idle here, but might be less exact */	508	/* todo: maybe use idle here, but might be less exact */
…		…
452	return;	510	return;
453		511
454	start_thread ();	512	start_thread ();
455	}	513	}
456		514
457	static void req_send (aio_req req)	515	static void req_send (bdb_req req)
458	{	516	{
459	SV *wait_callback = 0;	517	SV *wait_callback = 0;
460		518
461	// synthesize callback if none given	519	if (on_next_submit)
462	if (!SvOK (req->callback))
463	{	520	{
464	int count;
465
466	dSP;	521	dSP;
		522	SV *cb = sv_2mortal (on_next_submit);
		523
		524	on_next_submit = 0;
		525
467	PUSHMARK (SP);	526	PUSHMARK (SP);
468	PUTBACK;	527	PUTBACK;
469	count = call_sv (prepare_cb, G_ARRAY);	528	call_sv (cb, G_DISCARD | G_EVAL);
470	SPAGAIN;	529	SPAGAIN;
		530	}
471		531
		532	// synthesize callback if none given
		533	if (!req->callback)
		534	{
		535	if (SvOK (prepare_cb))
		536	{
		537	int count;
		538
		539	dSP;
		540	PUSHMARK (SP);
		541	PUTBACK;
		542	count = call_sv (prepare_cb, G_ARRAY);
		543	SPAGAIN;
		544
472	if (count != 2)	545	if (count != 2)
473	croak ("prepare callback must return exactly two values\n");	546	croak ("sync prepare callback must return exactly two values\n");
474		547
475	wait_callback = SvREFCNT_inc (POPs);	548	wait_callback = POPs;
476	SvREFCNT_dec (req->callback);
477	req->callback = SvREFCNT_inc (POPs);	549	req->callback = SvREFCNT_inc (POPs);
		550	}
		551	else
		552	{
		553	// execute request synchronously
		554	bdb_request (req);
		555	req_invoke (req);
		556	req_free (req);
		557	return;
		558	}
478	}	559	}
479		560
480	++nreqs;	561	++nreqs;
481		562
482	X_LOCK (reqlock);	563	X_LOCK (reqlock);
…		…
491	{	572	{
492	dSP;	573	dSP;
493	PUSHMARK (SP);	574	PUSHMARK (SP);
494	PUTBACK;	575	PUTBACK;
495	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
496	SvREFCNT_dec (wait_callback);
497	}	577	}
498	}	578	}
499		579
500	static void end_thread (void)	580	static void end_thread (void)
501	{	581	{
502	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
503
504	Newz (0, req, 1, aio_cb);
505		583
506	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
507	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
508		586
509	X_LOCK (reqlock);	587	X_LOCK (reqlock);
…		…
536		614
537	while (started > wanted)	615	while (started > wanted)
538	end_thread ();	616	end_thread ();
539	}	617	}
540		618
541	static void poll_wait ()	619	static void poll_wait (void)
542	{	620	{
543	fd_set rfd;
544
545	while (nreqs)	621	while (nreqs)
546	{	622	{
547	int size;	623	int size;
548	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	624	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
549	size = res_queue.size;	625	size = res_queue.size;
…		…
552	if (size)	628	if (size)
553	return;	629	return;
554		630
555	maybe_start_thread ();	631	maybe_start_thread ();
556		632
557	FD_ZERO (&rfd);	633	s_epipe_wait (&respipe);
558	FD_SET (respipe [0], &rfd);
559
560	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
561	}	634	}
562	}	635	}
563		636
564	static int poll_cb ()	637	static int poll_cb (void)
565	{	638	{
566	dSP;	639	dSP;
567	int count = 0;	640	int count = 0;
568	int maxreqs = max_poll_reqs;	641	int maxreqs = max_poll_reqs;
569	int do_croak = 0;	642	int do_croak = 0;
570	struct timeval tv_start, tv_now;	643	struct timeval tv_start, tv_now;
571	aio_req req;	644	bdb_req req;
572		645
573	if (max_poll_time)	646	if (max_poll_time)
574	gettimeofday (&tv_start, 0);	647	gettimeofday (&tv_start, 0);
575		648
576	for (;;)	649	for (;;)
…		…
585	if (req)	658	if (req)
586	{	659	{
587	--npending;	660	--npending;
588		661
589	if (!res_queue.size)	662	if (!res_queue.size)
590	{
591	/* read any signals sent by the worker threads */	663	/* read any signals sent by the worker threads */
592	char buf [4];	664	s_epipe_drain (&respipe);
593	while (respipe_read (respipe [0], buf, 4) == 4)
594	;
595	}
596	}	665	}
597		666
598	X_UNLOCK (reslock);	667	X_UNLOCK (reslock);
599		668
600	if (!req)	669	if (!req)
…		…
635	return count;	704	return count;
636	}	705	}
637		706
638	/*****************************************************************************/	707	/*****************************************************************************/
639		708
		709	static void
		710	bdb_request (bdb_req req)
		711	{
		712	switch (req->type)
		713	{
		714	case REQ_ENV_OPEN:
		715	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		716	break;
		717
		718	case REQ_ENV_CLOSE:
		719	req->result = req->env->close (req->env, req->uint1);
		720	break;
		721
		722	case REQ_ENV_TXN_CHECKPOINT:
		723	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		724	break;
		725
		726	case REQ_ENV_LOCK_DETECT:
		727	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		728	break;
		729
		730	case REQ_ENV_MEMP_SYNC:
		731	req->result = req->env->memp_sync (req->env, 0);
		732	break;
		733
		734	case REQ_ENV_MEMP_TRICKLE:
		735	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		736	break;
		737
		738	case REQ_ENV_DBREMOVE:
		739	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		740	break;
		741
		742	case REQ_ENV_DBRENAME:
		743	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		744	break;
		745
		746	case REQ_DB_OPEN:
		747	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		748	break;
		749
		750	case REQ_DB_CLOSE:
		751	req->result = req->db->close (req->db, req->uint1);
		752	break;
		753
		754	#if DB_VERSION_MINOR >= 4
		755	case REQ_DB_COMPACT:
		756	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		757	break;
		758	#endif
		759
		760	case REQ_DB_SYNC:
		761	req->result = req->db->sync (req->db, req->uint1);
		762	break;
		763
		764	case REQ_DB_VERIFY:
		765	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		766	break;
		767
		768	case REQ_DB_UPGRADE:
		769	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		770	break;
		771
		772	case REQ_DB_PUT:
		773	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		774	break;
		775
		776	#if DB_VERSION_MINOR >= 6
		777	case REQ_DB_EXISTS:
		778	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		779	break;
		780	#endif
		781	case REQ_DB_GET:
		782	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		783	break;
		784
		785	case REQ_DB_PGET:
		786	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		787	break;
		788
		789	case REQ_DB_DEL:
		790	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		791	break;
		792
		793	case REQ_DB_KEY_RANGE:
		794	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		795	break;
		796
		797	case REQ_TXN_COMMIT:
		798	req->result = req->txn->commit (req->txn, req->uint1);
		799	break;
		800
		801	case REQ_TXN_ABORT:
		802	req->result = req->txn->abort (req->txn);
		803	break;
		804
		805	case REQ_TXN_FINISH:
		806	if (req->txn->flags & TXN_DEADLOCK)
		807	{
		808	req->result = req->txn->abort (req->txn);
		809	if (!req->result)
		810	req->result = DB_LOCK_DEADLOCK;
		811	}
		812	else
		813	req->result = req->txn->commit (req->txn, req->uint1);
		814	break;
		815
		816	case REQ_C_CLOSE:
		817	req->result = req->dbc->c_close (req->dbc);
		818	break;
		819
		820	case REQ_C_COUNT:
		821	{
		822	db_recno_t recno;
		823	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		824	req->uv1 = recno;
		825	}
		826	break;
		827
		828	case REQ_C_PUT:
		829	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		830	break;
		831
		832	case REQ_C_GET:
		833	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		834	break;
		835
		836	case REQ_C_PGET:
		837	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		838	break;
		839
		840	case REQ_C_DEL:
		841	req->result = req->dbc->c_del (req->dbc, req->uint1);
		842	break;
		843
		844	#if DB_VERSION_MINOR >= 3
		845	case REQ_SEQ_OPEN:
		846	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		847	break;
		848
		849	case REQ_SEQ_CLOSE:
		850	req->result = req->seq->close (req->seq, req->uint1);
		851	break;
		852
		853	case REQ_SEQ_GET:
		854	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		855	break;
		856
		857	case REQ_SEQ_REMOVE:
		858	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		859	break;
		860	#endif
		861
		862	case REQ_ENV_LOG_ARCHIVE:
		863	{
		864	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		865	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		866	req->buf1 = (char *)listp;
		867	}
		868	break;
		869
		870	default:
		871	req->result = ENOSYS;
		872	break;
		873	}
		874
		875	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		876	req->txn->flags |= TXN_DEADLOCK;
		877	}
		878
640	X_THREAD_PROC (bdb_proc)	879	X_THREAD_PROC (bdb_proc)
641	{	880	{
642	aio_req req;	881	bdb_req req;
643	struct timespec ts;	882	struct timespec ts;
644	worker *self = (worker *)thr_arg;	883	worker *self = (worker *)thr_arg;
645		884
646	/* try to distribute timeouts somewhat evenly */	885	/* try to distribute timeouts somewhat evenly */
647	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	886	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
648		887
649	for (;;)	888	for (;;)
650	{	889	{
651	ts.tv_sec = time (0) + IDLE_TIMEOUT;	890	ts.tv_sec = time (0) + IDLE_TIMEOUT;
652		891
653	X_LOCK (reqlock);	892	X_LOCK (reqlock);
654		893
655	for (;;)	894	for (;;)
656	{	895	{
…		…
683	}	922	}
684		923
685	--nready;	924	--nready;
686		925
687	X_UNLOCK (reqlock);	926	X_UNLOCK (reqlock);
688		927
689	switch (req->type)	928	if (req->type == REQ_QUIT)
690	{	929	{
691	case REQ_QUIT:	930	X_LOCK (reslock);
692	req->result = ENOSYS;	931	free (req);
		932	self->req = 0;
		933	X_UNLOCK (reslock);
		934
693	goto quit;	935	goto quit;
694
695	case REQ_ENV_OPEN:
696	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
697	break;
698
699	case REQ_ENV_CLOSE:
700	req->result = req->env->close (req->env, req->uint1);
701	break;
702
703	case REQ_ENV_TXN_CHECKPOINT:
704	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
705	break;
706
707	case REQ_ENV_LOCK_DETECT:
708	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
709	break;
710
711	case REQ_ENV_MEMP_SYNC:
712	req->result = req->env->memp_sync (req->env, 0);
713	break;
714
715	case REQ_ENV_MEMP_TRICKLE:
716	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
717	break;
718
719	case REQ_DB_OPEN:
720	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
721	break;
722
723	case REQ_DB_CLOSE:
724	req->result = req->db->close (req->db, req->uint1);
725	break;
726
727	case REQ_DB_COMPACT:
728	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
729	break;
730
731	case REQ_DB_SYNC:
732	req->result = req->db->sync (req->db, req->uint1);
733	break;
734
735	case REQ_DB_PUT:
736	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
737	break;
738
739	case REQ_DB_GET:
740	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
741	break;
742
743	case REQ_DB_PGET:
744	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
745	break;
746
747	case REQ_DB_DEL:
748	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
749	break;
750
751	case REQ_DB_KEY_RANGE:
752	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
753	break;
754
755	case REQ_TXN_COMMIT:
756	req->result = req->txn->commit (req->txn, req->uint1);
757	break;
758
759	case REQ_TXN_ABORT:
760	req->result = req->txn->abort (req->txn);
761	break;
762
763	case REQ_TXN_FINISH:
764	if (req->txn->flags & TXN_DEADLOCK)
765	{
766	req->result = req->txn->abort (req->txn);
767	if (!req->result)
768	req->result = DB_LOCK_DEADLOCK;
769	}
770	else
771	req->result = req->txn->commit (req->txn, req->uint1);
772	break;
773
774	case REQ_C_CLOSE:
775	req->result = req->dbc->c_close (req->dbc);
776	break;
777
778	case REQ_C_COUNT:
779	{
780	db_recno_t recno;
781	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
782	req->uv1 = recno;
783	}
784	break;
785
786	case REQ_C_PUT:
787	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
788	break;
789
790	case REQ_C_GET:
791	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
792	break;
793
794	case REQ_C_PGET:
795	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
796	break;
797
798	case REQ_C_DEL:
799	req->result = req->dbc->c_del (req->dbc, req->uint1);
800	break;
801
802	case REQ_SEQ_OPEN:
803	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
804	break;
805
806	case REQ_SEQ_CLOSE:
807	req->result = req->seq->close (req->seq, req->uint1);
808	break;
809
810	case REQ_SEQ_GET:
811	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
812	break;
813
814	case REQ_SEQ_REMOVE:
815	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
816	break;
817
818	default:
819	req->result = ENOSYS;
820	break;
821	}	936	}
822		937
823	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))	938	bdb_request (req);
824	req->txn->flags |= TXN_DEADLOCK;
825		939
826	X_LOCK (reslock);	940	X_LOCK (reslock);
827		941
828	++npending;	942	++npending;
829		943
830	if (!reqq_push (&res_queue, req))	944	if (!reqq_push (&res_queue, req))
831	/* write a dummy byte to the pipe so fh becomes ready */	945	s_epipe_signal (&respipe);
832	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
833		946
834	self->req = 0;	947	self->req = 0;
835	worker_clear (self);	948	worker_clear (self);
836		949
837	X_UNLOCK (reslock);	950	X_UNLOCK (reslock);
…		…
861	X_UNLOCK (wrklock);	974	X_UNLOCK (wrklock);
862	}	975	}
863		976
864	static void atfork_child (void)	977	static void atfork_child (void)
865	{	978	{
866	aio_req prv;	979	bdb_req prv;
867		980
868	while (prv = reqq_shift (&req_queue))	981	while (prv = reqq_shift (&req_queue))
869	req_free (prv);	982	req_free (prv);
870		983
871	while (prv = reqq_shift (&res_queue))	984	while (prv = reqq_shift (&res_queue))
…		…
891	create_respipe ();	1004	create_respipe ();
892		1005
893	atfork_parent ();	1006	atfork_parent ();
894	}	1007	}
895		1008
896	#define dREQ(reqtype) \	1009	#define dREQ(reqtype,rsvcnt) \
897	aio_req req; \	1010	bdb_req req; \
898	int req_pri = next_pri; \	1011	int req_pri = next_pri; \
899	next_pri = DEFAULT_PRI + PRI_BIAS; \	1012	next_pri = DEFAULT_PRI + PRI_BIAS; \
900	\	1013	\
901	if (SvOK (callback) && !SvROK (callback)) \	1014	if (callback && SvOK (callback)) \
902	croak ("callback must be undef or of reference type"); \	1015	croak ("callback has illegal type or extra arguments"); \
903	\	1016	\
904	Newz (0, req, 1, aio_cb); \	1017	Newz (0, req, 1, bdb_cb); \
905	if (!req) \	1018	if (!req) \
906	croak ("out of memory during aio_req allocation"); \	1019	croak ("out of memory during bdb_req allocation"); \
907	\	1020	\
908	req->callback = newSVsv (callback); \	1021	req->callback = SvREFCNT_inc (cb); \
909	req->type = (reqtype); \	1022	req->type = (reqtype); \
910	req->pri = req_pri	1023	req->pri = req_pri; \
		1024	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1025	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1026	(void)0;
911		1027
912	#define REQ_SEND \	1028	#define REQ_SEND \
913	req_send (req)	1029	req_send (req)
914		1030
915	#define SvPTR(var, arg, type, class, nullok) \	1031	#define SvPTR(var, arg, type, stash, class, nullok) \
916	if (!SvOK (arg)) \	1032	if (!SvOK (arg)) \
917	{ \	1033	{ \
918	if (!nullok) \	1034	if (nullok != 1) \
919	croak (# var " must be a " # class " object, not undef"); \	1035	croak (# var " must be a " # class " object, not undef"); \
920	\	1036	\
921	(var) = 0; \	1037	(var) = 0; \
922	} \	1038	} \
923	else if (sv_derived_from ((arg), # class)) \	1039	else if (SvSTASH (SvRV (arg)) == stash || sv_derived_from ((arg), # class)) \
924	{ \	1040	{ \
925	IV tmp = SvIV ((SV*) SvRV (arg)); \	1041	IV tmp = SvIV ((SV*) SvRV (arg)); \
926	(var) = INT2PTR (type, tmp); \	1042	(var) = INT2PTR (type, tmp); \
927	if (!var) \	1043	if (!var && nullok != 2) \
928	croak (# var " is not a valid " # class " object anymore"); \	1044	croak (# var " is not a valid " # class " object anymore"); \
929	} \	1045	} \
930	else \	1046	else \
931	croak (# var " is not of type " # class); \	1047	croak (# var " is not of type " # class);
932	\	1048
		1049	#define ARG_MUTABLE(name) \
		1050	if (SvREADONLY (name)) \
		1051	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1052
		1053	static SV *
		1054	newSVptr (void *ptr, HV *stash)
		1055	{
		1056	SV *rv = NEWSV (0, 0);
		1057	sv_upgrade (rv, SVt_PVMG);
		1058	sv_setiv (rv, PTR2IV (ptr));
		1059
		1060	return sv_bless (newRV_noinc (rv), stash);
		1061	}
933		1062
934	static void	1063	static void
935	ptr_nuke (SV *sv)	1064	ptr_nuke (SV *sv)
936	{	1065	{
937	assert (SvROK (sv));	1066	assert (SvROK (sv));
938	sv_setiv (SvRV (sv), 0);	1067	sv_setiv (SvRV (sv), 0);
939	}	1068	}
940		1069
		1070	static int
		1071	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1072	{
		1073	if (*mg->mg_ptr == '!') // should always be the case
		1074	if (-30999 <= errno && errno <= -30800)
		1075	{
		1076	sv_setnv (sv, (NV)errno);
		1077	sv_setpv (sv, db_strerror (errno));
		1078	SvNOK_on (sv); /* what a wonderful hack! */
		1079	// ^^^ copied from perl sources
		1080	return 0;
		1081	}
		1082
		1083	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1084	}
		1085
		1086	static MGVTBL vtbl_errno;
		1087
		1088	// this wonderful hack :( patches perl's $! variable to support our errno values
		1089	static void
		1090	patch_errno (void)
		1091	{
		1092	SV *sv;
		1093	MAGIC *mg;
		1094
		1095	if (!(sv = get_sv ("!", 1)))
		1096	return;
		1097
		1098	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1099	return;
		1100
		1101	if (mg->mg_virtual != &PL_vtbl_sv)
		1102	return;
		1103
		1104	vtbl_errno = PL_vtbl_sv;
		1105	vtbl_errno.svt_get = errno_get;
		1106	mg->mg_virtual = &vtbl_errno;
		1107	}
		1108
		1109	#if __GNUC__ >= 4
		1110	# define noinline __attribute__ ((noinline))
		1111	#else
		1112	# define noinline
		1113	#endif
		1114
		1115	static noinline SV *
		1116	pop_callback (I32 *ritems, SV *sv)
		1117	{
		1118	if (SvROK (sv))
		1119	{
		1120	HV *st;
		1121	GV *gvp;
		1122	CV *cv;
		1123	const char *name;
		1124
		1125	/* forgive me */
		1126	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1127	&& (st = SvSTASH (SvRV (sv)))
		1128	&& (name = HvNAME_get (st))
		1129	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1130	return 0;
		1131
		1132	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1133	{
		1134	--*ritems;
		1135	return (SV *)cv;
		1136	}
		1137	}
		1138
		1139	return 0;
		1140	}
		1141
		1142	/*****************************************************************************/
		1143
		1144	#if 0
		1145	static int
		1146	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1151	size1 <= size2 ? size1 : size2);
		1152
		1153	if (res)
		1154	return res;
		1155	else if (size1 - size2)
		1156	return size1 - size2;
		1157	else
		1158	return 0;
		1159	}
		1160
		1161	static size_t
		1162	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1163	{
		1164	ssize_t size1 = dbt1->size;
		1165	ssize_t size2 = dbt2->size;
		1166	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1167	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1168	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1169
		1170	while (p1 < pe)
		1171	if (*p1++ != *p2++)
		1172	return p1 - (u_int8_t *)dbt1->data - 1;
		1173
		1174	if (size1 < size2) return size1 + 1;
		1175	if (size1 > size2) return size2 + 1;
		1176
		1177	return size1;
		1178	}
		1179	#endif
		1180
		1181	/*****************************************************************************/
		1182
		1183	/* stupid windows defines CALLBACK as well */
		1184	#undef CALLBACK
		1185	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1186
941	MODULE = BDB PACKAGE = BDB	1187	MODULE = BDB PACKAGE = BDB
942		1188
943	PROTOTYPES: ENABLE	1189	PROTOTYPES: ENABLE
944		1190
945	BOOT:	1191	BOOT:
946	{	1192	{
947	HV *stash = gv_stashpv ("BDB", 1);
948
949	static const struct {	1193	static const struct {
950	const char *name;	1194	const char *name;
951	IV iv;	1195	IV iv;
952	} *civ, const_iv[] = {	1196	} *civ, const_iv[] = {
953	#define const_iv(name) { # name, (IV)DB_ ## name },	1197	#define const_iv(name) { # name, (IV)DB_ ## name },
…		…
965	const_iv (RDONLY)	1209	const_iv (RDONLY)
966	const_iv (USE_ENVIRON)	1210	const_iv (USE_ENVIRON)
967	const_iv (USE_ENVIRON_ROOT)	1211	const_iv (USE_ENVIRON_ROOT)
968	const_iv (LOCKDOWN)	1212	const_iv (LOCKDOWN)
969	const_iv (PRIVATE)	1213	const_iv (PRIVATE)
970	const_iv (REGISTER)
971	const_iv (SYSTEM_MEM)	1214	const_iv (SYSTEM_MEM)
972	const_iv (AUTO_COMMIT)	1215	const_iv (AUTO_COMMIT)
973	const_iv (CDB_ALLDB)	1216	const_iv (CDB_ALLDB)
974	const_iv (DIRECT_DB)	1217	const_iv (DIRECT_DB)
975	const_iv (DIRECT_LOG)
976	const_iv (DSYNC_DB)
977	const_iv (DSYNC_LOG)
978	const_iv (LOG_AUTOREMOVE)
979	const_iv (LOG_INMEMORY)
980	const_iv (NOLOCKING)	1218	const_iv (NOLOCKING)
981	const_iv (NOMMAP)	1219	const_iv (NOMMAP)
982	const_iv (NOPANIC)	1220	const_iv (NOPANIC)
983	const_iv (OVERWRITE)	1221	const_iv (OVERWRITE)
984	const_iv (PANIC_ENVIRONMENT)	1222	const_iv (PANIC_ENVIRONMENT)
…		…
995	const_iv (HASH)	1233	const_iv (HASH)
996	const_iv (QUEUE)	1234	const_iv (QUEUE)
997	const_iv (RECNO)	1235	const_iv (RECNO)
998	const_iv (UNKNOWN)	1236	const_iv (UNKNOWN)
999	const_iv (EXCL)	1237	const_iv (EXCL)
1000	const_iv (READ_COMMITTED)
1001	const_iv (READ_UNCOMMITTED)
1002	const_iv (TRUNCATE)	1238	const_iv (TRUNCATE)
1003	const_iv (NOSYNC)	1239	const_iv (NOSYNC)
1004	const_iv (CHKSUM)	1240	const_iv (CHKSUM)
1005	const_iv (ENCRYPT)	1241	const_iv (ENCRYPT)
1006	const_iv (DUP)	1242	const_iv (DUP)
1007	const_iv (DUPSORT)	1243	const_iv (DUPSORT)
1008	const_iv (RECNUM)	1244	//const_iv (RECNUM)
1009	const_iv (RENUMBER)	1245	const_iv (RENUMBER)
1010	const_iv (REVSPLITOFF)	1246	const_iv (REVSPLITOFF)
1011	const_iv (INORDER)
1012	const_iv (CONSUME)	1247	const_iv (CONSUME)
1013	const_iv (CONSUME_WAIT)	1248	const_iv (CONSUME_WAIT)
1014	const_iv (GET_BOTH)	1249	const_iv (GET_BOTH)
1015	const_iv (GET_BOTH_RANGE)	1250	const_iv (GET_BOTH_RANGE)
1016	//const_iv (SET_RECNO)	1251	//const_iv (SET_RECNO)
1017	//const_iv (MULTIPLE)	1252	//const_iv (MULTIPLE)
1018	const_iv (SNAPSHOT)	1253	const_iv (SNAPSHOT)
1019	const_iv (JOIN_ITEM)	1254	const_iv (JOIN_ITEM)
		1255	const_iv (JOIN_NOSORT)
1020	const_iv (RMW)	1256	const_iv (RMW)
1021		1257
1022	const_iv (NOTFOUND)	1258	const_iv (NOTFOUND)
1023	const_iv (KEYEMPTY)	1259	const_iv (KEYEMPTY)
1024	const_iv (LOCK_DEADLOCK)	1260	const_iv (LOCK_DEADLOCK)
1025	const_iv (LOCK_NOTGRANTED)	1261	const_iv (LOCK_NOTGRANTED)
1026	const_iv (RUNRECOVERY)	1262	const_iv (RUNRECOVERY)
1027	const_iv (OLD_VERSION)	1263	const_iv (OLD_VERSION)
1028	const_iv (REP_HANDLE_DEAD)	1264	const_iv (REP_HANDLE_DEAD)
1029	const_iv (REP_LOCKOUT)
1030	const_iv (SECONDARY_BAD)	1265	const_iv (SECONDARY_BAD)
1031
1032	const_iv (FREE_SPACE)
1033	const_iv (FREELIST_ONLY)
1034		1266
1035	const_iv (APPEND)	1267	const_iv (APPEND)
1036	const_iv (NODUPDATA)	1268	const_iv (NODUPDATA)
1037	const_iv (NOOVERWRITE)	1269	const_iv (NOOVERWRITE)
1038		1270
…		…
1040	const_iv (TXN_SYNC)	1272	const_iv (TXN_SYNC)
1041		1273
1042	const_iv (SET_LOCK_TIMEOUT)	1274	const_iv (SET_LOCK_TIMEOUT)
1043	const_iv (SET_TXN_TIMEOUT)	1275	const_iv (SET_TXN_TIMEOUT)
1044		1276
1045	const_iv (JOIN_ITEM)
1046	const_iv (FIRST)	1277	const_iv (FIRST)
1047	const_iv (NEXT)	1278	const_iv (NEXT)
1048	const_iv (NEXT_DUP)	1279	const_iv (NEXT_DUP)
1049	const_iv (NEXT_NODUP)	1280	const_iv (NEXT_NODUP)
1050	const_iv (PREV)	1281	const_iv (PREV)
…		…
1062	const_iv (FORCE)	1293	const_iv (FORCE)
1063		1294
1064	const_iv (LOCK_DEFAULT)	1295	const_iv (LOCK_DEFAULT)
1065	const_iv (LOCK_EXPIRE)	1296	const_iv (LOCK_EXPIRE)
1066	const_iv (LOCK_MAXLOCKS)	1297	const_iv (LOCK_MAXLOCKS)
1067	const_iv (LOCK_MAXWRITE)
1068	const_iv (LOCK_MINLOCKS)	1298	const_iv (LOCK_MINLOCKS)
1069	const_iv (LOCK_MINWRITE)	1299	const_iv (LOCK_MINWRITE)
1070	const_iv (LOCK_OLDEST)	1300	const_iv (LOCK_OLDEST)
1071	const_iv (LOCK_RANDOM)	1301	const_iv (LOCK_RANDOM)
1072	const_iv (LOCK_YOUNGEST)	1302	const_iv (LOCK_YOUNGEST)
1073		1303
1074	const_iv (SEQ_DEC)
1075	const_iv (SEQ_INC)
1076	const_iv (SEQ_WRAP)
1077
1078	const_iv (BUFFER_SMALL)
1079	const_iv (DONOTINDEX)	1304	const_iv (DONOTINDEX)
1080	const_iv (KEYEMPTY )	1305	const_iv (KEYEMPTY )
1081	const_iv (KEYEXIST )	1306	const_iv (KEYEXIST )
1082	const_iv (LOCK_DEADLOCK)	1307	const_iv (LOCK_DEADLOCK)
1083	const_iv (LOCK_NOTGRANTED)	1308	const_iv (LOCK_NOTGRANTED)
1084	const_iv (LOG_BUFFER_FULL)
1085	const_iv (NOSERVER)	1309	const_iv (NOSERVER)
1086	const_iv (NOSERVER_HOME)	1310	const_iv (NOSERVER_HOME)
1087	const_iv (NOSERVER_ID)	1311	const_iv (NOSERVER_ID)
1088	const_iv (NOTFOUND)	1312	const_iv (NOTFOUND)
1089	const_iv (OLD_VERSION)
1090	const_iv (PAGE_NOTFOUND)	1313	const_iv (PAGE_NOTFOUND)
1091	const_iv (REP_DUPMASTER)	1314	const_iv (REP_DUPMASTER)
1092	const_iv (REP_HANDLE_DEAD)	1315	const_iv (REP_HANDLE_DEAD)
1093	const_iv (REP_HOLDELECTION)	1316	const_iv (REP_HOLDELECTION)
1094	const_iv (REP_IGNORE)
1095	const_iv (REP_ISPERM)	1317	const_iv (REP_ISPERM)
1096	const_iv (REP_JOIN_FAILURE)
1097	const_iv (REP_LOCKOUT)
1098	const_iv (REP_NEWMASTER)	1318	const_iv (REP_NEWMASTER)
1099	const_iv (REP_NEWSITE)	1319	const_iv (REP_NEWSITE)
1100	const_iv (REP_NOTPERM)	1320	const_iv (REP_NOTPERM)
1101	const_iv (REP_UNAVAIL)	1321	const_iv (REP_UNAVAIL)
1102	const_iv (RUNRECOVERY)	1322	const_iv (RUNRECOVERY)
1103	const_iv (SECONDARY_BAD)	1323	const_iv (SECONDARY_BAD)
1104	const_iv (VERIFY_BAD)	1324	const_iv (VERIFY_BAD)
1105	const_iv (VERSION_MISMATCH)	1325
		1326	const_iv (SALVAGE)
		1327	const_iv (AGGRESSIVE)
		1328	const_iv (PRINTABLE)
		1329	const_iv (NOORDERCHK)
		1330	const_iv (ORDERCHKONLY)
		1331
		1332	const_iv (ARCH_ABS)
		1333	const_iv (ARCH_DATA)
		1334	const_iv (ARCH_LOG)
		1335	const_iv (ARCH_REMOVE)
1106		1336
1107	const_iv (VERB_DEADLOCK)	1337	const_iv (VERB_DEADLOCK)
1108	const_iv (VERB_RECOVERY)	1338	const_iv (VERB_RECOVERY)
1109	const_iv (VERB_REGISTER)
1110	const_iv (VERB_REPLICATION)	1339	const_iv (VERB_REPLICATION)
1111	const_iv (VERB_WAITSFOR)	1340	const_iv (VERB_WAITSFOR)
1112		1341
1113	const_iv (VERSION_MAJOR)	1342	const_iv (VERSION_MAJOR)
1114	const_iv (VERSION_MINOR)	1343	const_iv (VERSION_MINOR)
1115	const_iv (VERSION_PATCH)	1344	const_iv (VERSION_PATCH)
		1345	#if DB_VERSION_MINOR >= 3
		1346	const_iv (INORDER)
		1347	const_iv (LOCK_MAXWRITE)
		1348	const_iv (SEQ_DEC)
		1349	const_iv (SEQ_INC)
		1350	const_iv (SEQ_WRAP)
		1351	const_iv (BUFFER_SMALL)
		1352	const_iv (LOG_BUFFER_FULL)
		1353	const_iv (VERSION_MISMATCH)
		1354	#endif
		1355	#if DB_VERSION_MINOR >= 4
		1356	const_iv (REGISTER)
		1357	const_iv (DSYNC_DB)
		1358	const_iv (READ_COMMITTED)
		1359	const_iv (READ_UNCOMMITTED)
		1360	const_iv (REP_IGNORE)
		1361	const_iv (REP_LOCKOUT)
		1362	const_iv (REP_JOIN_FAILURE)
		1363	const_iv (FREE_SPACE)
		1364	const_iv (FREELIST_ONLY)
		1365	const_iv (VERB_REGISTER)
		1366	#endif
1116	#if DB_VERSION_MINOR >= 5	1367	#if DB_VERSION_MINOR >= 5
1117	const_iv (MULTIVERSION)	1368	const_iv (MULTIVERSION)
1118	const_iv (TXN_SNAPSHOT)	1369	const_iv (TXN_SNAPSHOT)
1119	#endif	1370	#endif
1120	#if DB_VERSION_MINOR >= 6	1371	#if DB_VERSION_MINOR >= 6
1121	const_iv (PREV_DUP)	1372	const_iv (PREV_DUP)
1122	# if 0
1123	const_iv (PRIORITY_UNCHANGED)	1373	const_iv (PRIORITY_UNCHANGED)
1124	const_iv (PRIORITY_VERY_LOW)	1374	const_iv (PRIORITY_VERY_LOW)
1125	const_iv (PRIORITY_LOW)	1375	const_iv (PRIORITY_LOW)
1126	const_iv (PRIORITY_DEFAULT)	1376	const_iv (PRIORITY_DEFAULT)
1127	const_iv (PRIORITY_HIGH)	1377	const_iv (PRIORITY_HIGH)
1128	const_iv (PRIORITY_VERY_HIGH)	1378	const_iv (PRIORITY_VERY_HIGH)
		1379	const_iv (IGNORE_LEASE)
		1380	#endif
		1381	#if DB_VERSION_MINOR >= 7
		1382	//const_iv (MULTIPLE_KEY)
		1383	const_iv (LOG_DIRECT)
		1384	const_iv (LOG_DSYNC)
		1385	const_iv (LOG_AUTO_REMOVE)
		1386	const_iv (LOG_IN_MEMORY)
		1387	const_iv (LOG_ZERO)
		1388	#else
		1389	const_iv (DIRECT_LOG)
		1390	const_iv (LOG_AUTOREMOVE)
		1391	# if DB_VERSION_MINOR >= 3
		1392	const_iv (DSYNC_LOG)
		1393	const_iv (LOG_INMEMORY)
1129	# endif	1394	# endif
1130	#endif	1395	#endif
1131	};	1396	};
1132		1397
		1398	bdb_stash = gv_stashpv ("BDB" , 1);
		1399	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1400	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1401	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1402	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1403	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1404
1133	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1405	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1134	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1406	newCONSTSUB (bdb_stash, (char *)civ->name, newSViv (civ->iv));
1135		1407
1136	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1408	prepare_cb = &PL_sv_undef;
		1409
		1410	{
		1411	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1412	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1413
		1414	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1415	}
		1416
1137	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1417	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1138		1418
1139	create_respipe ();	1419	create_respipe ();
1140		1420
1141	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1421	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1142	#ifdef _WIN32	1422	patch_errno ();
1143	X_MUTEX_CHECK (wrklock);
1144	X_MUTEX_CHECK (reslock);
1145	X_MUTEX_CHECK (reqlock);
1146
1147	X_COND_CHECK (reqwait);
1148	#endif
1149	}	1423	}
1150		1424
1151	void	1425	void
1152	max_poll_reqs (int nreqs)	1426	max_poll_reqs (int nreqs)
1153	PROTOTYPE: $	1427	PROTOTYPE: $
…		…
1226		1500
1227	int	1501	int
1228	poll_fileno ()	1502	poll_fileno ()
1229	PROTOTYPE:	1503	PROTOTYPE:
1230	CODE:	1504	CODE:
1231	RETVAL = respipe [0];	1505	RETVAL = s_epipe_fd (&respipe);
1232	OUTPUT:	1506	OUTPUT:
1233	RETVAL	1507	RETVAL
1234		1508
1235	int	1509	int
1236	poll_cb (...)	1510	poll_cb (...)
…		…
1278	RETVAL = started;	1552	RETVAL = started;
1279	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1553	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1280	OUTPUT:	1554	OUTPUT:
1281	RETVAL	1555	RETVAL
1282		1556
1283	void	1557	SV *
1284	set_sync_prepare (SV *cb)	1558	set_sync_prepare (SV *cb)
1285	PROTOTYPE: &	1559	PROTOTYPE: &
1286	CODE:	1560	CODE:
1287	SvREFCNT_dec (prepare_cb);	1561	RETVAL = prepare_cb;
1288	prepare_cb = newSVsv (cb);	1562	prepare_cb = newSVsv (cb);
		1563	OUTPUT:
		1564	RETVAL
1289		1565
1290	char *	1566	char *
1291	strerror (int errorno = errno)	1567	strerror (int errorno = errno)
1292	PROTOTYPE: ;$	1568	PROTOTYPE: ;$
1293	CODE:	1569	CODE:
1294	RETVAL = db_strerror (errorno);	1570	RETVAL = db_strerror (errorno);
1295	OUTPUT:	1571	OUTPUT:
1296	RETVAL	1572	RETVAL
1297		1573
		1574	void _on_next_submit (SV *cb)
		1575	CODE:
		1576	SvREFCNT_dec (on_next_submit);
		1577	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1578
1298	DB_ENV *	1579	DB_ENV *
1299	db_env_create (U32 env_flags = 0)	1580	db_env_create (U32 env_flags = 0)
1300	CODE:	1581	CODE:
1301	{	1582	{
1302	errno = db_env_create (&RETVAL, env_flags);	1583	errno = db_env_create (&RETVAL, env_flags);
…		…
1311	}	1592	}
1312	OUTPUT:	1593	OUTPUT:
1313	RETVAL	1594	RETVAL
1314		1595
1315	void	1596	void
1316	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1597	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1598	PREINIT:
		1599	CALLBACK
1317	CODE:	1600	CODE:
1318	{	1601	{
1319	dREQ (REQ_ENV_OPEN);	1602	dREQ (REQ_ENV_OPEN, 1);
1320
1321	env->set_thread_count (env, wanted + 2);
1322
1323	req->env = env;	1603	req->env = env;
1324	req->uint1 = open_flags | DB_THREAD;	1604	req->uint1 = open_flags | DB_THREAD;
1325	req->int1 = mode;	1605	req->int1 = mode;
1326	req->buf1 = strdup_ornull (db_home);	1606	req->buf1 = strdup_ornull (db_home);
1327	REQ_SEND;	1607	REQ_SEND;
1328	}	1608	}
1329		1609
1330	void	1610	void
1331	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1611	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1612	PREINIT:
		1613	CALLBACK
1332	CODE:	1614	CODE:
1333	{	1615	{
1334	dREQ (REQ_ENV_CLOSE);	1616	dREQ (REQ_ENV_CLOSE, 0);
		1617	ptr_nuke (ST (0));
1335	req->env = env;	1618	req->env = env;
1336	req->uint1 = flags;	1619	req->uint1 = flags;
1337	REQ_SEND;	1620	REQ_SEND;
1338	ptr_nuke (ST (0));
1339	}	1621	}
1340		1622
1341	void	1623	void
1342	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1624	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1625	PREINIT:
		1626	CALLBACK
1343	CODE:	1627	CODE:
1344	{	1628	{
1345	dREQ (REQ_ENV_TXN_CHECKPOINT);	1629	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1346	req->env = env;	1630	req->env = env;
1347	req->uint1 = kbyte;	1631	req->uint1 = kbyte;
1348	req->int1 = min;	1632	req->int1 = min;
1349	req->uint2 = flags;	1633	req->uint2 = flags;
1350	REQ_SEND;	1634	REQ_SEND;
1351	}	1635	}
1352		1636
1353	void	1637	void
1354	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1638	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1639	PREINIT:
		1640	CALLBACK
1355	CODE:	1641	CODE:
1356	{	1642	{
1357	dREQ (REQ_ENV_LOCK_DETECT);	1643	dREQ (REQ_ENV_LOCK_DETECT, 1);
1358	req->env = env;	1644	req->env = env;
1359	req->uint1 = flags;	1645	req->uint1 = flags;
1360	req->uint2 = atype;	1646	req->uint2 = atype;
		1647	/* req->int2 = 0; dummy */
1361	REQ_SEND;	1648	REQ_SEND;
1362	}	1649	}
1363		1650
1364	void	1651	void
1365	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1652	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1653	PREINIT:
		1654	CALLBACK
1366	CODE:	1655	CODE:
1367	{	1656	{
1368	dREQ (REQ_ENV_MEMP_SYNC);	1657	dREQ (REQ_ENV_MEMP_SYNC, 1);
1369	req->env = env;	1658	req->env = env;
1370	REQ_SEND;	1659	REQ_SEND;
1371	}	1660	}
1372		1661
1373	void	1662	void
1374	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1663	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1664	PREINIT:
		1665	CALLBACK
1375	CODE:	1666	CODE:
1376	{	1667	{
1377	dREQ (REQ_ENV_MEMP_TRICKLE);	1668	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1378	req->env = env;	1669	req->env = env;
1379	req->int1 = percent;	1670	req->int1 = percent;
1380	REQ_SEND;	1671	REQ_SEND;
1381	}	1672	}
1382		1673
		1674	void
		1675	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1676	PREINIT:
		1677	CALLBACK
		1678	CODE:
		1679	{
		1680	dREQ (REQ_ENV_DBREMOVE, 2);
		1681	req->env = env;
		1682	req->buf1 = strdup_ornull (file);
		1683	req->buf2 = strdup_ornull (database);
		1684	req->uint1 = flags;
		1685	REQ_SEND;
		1686	}
		1687
		1688	void
		1689	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)
		1690	PREINIT:
		1691	CALLBACK
		1692	CODE:
		1693	{
		1694	dREQ (REQ_ENV_DBRENAME, 2);
		1695	req->env = env;
		1696	req->buf1 = strdup_ornull (file);
		1697	req->buf2 = strdup_ornull (database);
		1698	req->buf3 = strdup_ornull (newname);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1710	req->sv1 = SvREFCNT_inc (listp);
		1711	req->env = env;
		1712	req->uint1 = flags;
		1713	REQ_SEND;
		1714	}
1383		1715
1384	DB *	1716	DB *
1385	db_create (DB_ENV *env = 0, U32 flags = 0)	1717	db_create (DB_ENV *env = 0, U32 flags = 0)
1386	CODE:	1718	CODE:
1387	{	1719	{
…		…
1394	}	1726	}
1395	OUTPUT:	1727	OUTPUT:
1396	RETVAL	1728	RETVAL
1397		1729
1398	void	1730	void
1399	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1731	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1732	PREINIT:
		1733	CALLBACK
1400	CODE:	1734	CODE:
1401	{	1735	{
1402	dREQ (REQ_DB_OPEN);	1736	dREQ (REQ_DB_OPEN, 2);
1403	req->db = db;	1737	req->db = db;
1404	req->txn = txnid;	1738	req->txn = txnid;
1405	req->buf1 = strdup_ornull (file);	1739	req->buf1 = strdup_ornull (file);
1406	req->buf2 = strdup_ornull (database);	1740	req->buf2 = strdup_ornull (database);
1407	req->int1 = type;	1741	req->int1 = type;
…		…
1409	req->int2 = mode;	1743	req->int2 = mode;
1410	REQ_SEND;	1744	REQ_SEND;
1411	}	1745	}
1412		1746
1413	void	1747	void
1414	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1748	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1749	PREINIT:
		1750	CALLBACK
1415	CODE:	1751	CODE:
1416	{	1752	{
1417	dREQ (REQ_DB_CLOSE);	1753	dREQ (REQ_DB_CLOSE, 0);
		1754	ptr_nuke (ST (0));
1418	req->db = db;	1755	req->db = db;
1419	req->uint1 = flags;	1756	req->uint1 = flags;
1420	req->sv1 = (SV *)db->app_private;	1757	req->sv1 = (SV *)db->app_private;
1421	REQ_SEND;	1758	REQ_SEND;
1422	ptr_nuke (ST (0));
1423	}	1759	}
1424		1760
		1761	#if DB_VERSION_MINOR >= 4
		1762
1425	void	1763	void
1426	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)	1764	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)
		1765	PREINIT:
		1766	CALLBACK
1427	CODE:	1767	CODE:
1428	{	1768	{
1429	dREQ (REQ_DB_COMPACT);	1769	dREQ (REQ_DB_COMPACT, 2);
1430	req->db = db;	1770	req->db = db;
1431	req->txn = txn;	1771	req->txn = txn;
1432	sv_to_dbt (&req->dbt1, start);	1772	if (start) sv_to_dbt (&req->dbt1, start);
1433	sv_to_dbt (&req->dbt2, stop);	1773	if (stop ) sv_to_dbt (&req->dbt2, stop );
1434	req->uint1 = flags;	1774	req->uint1 = flags;
1435	REQ_SEND;	1775	REQ_SEND;
1436	}	1776	}
1437		1777
		1778	#endif
		1779
1438	void	1780	void
1439	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1781	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1782	PREINIT:
		1783	CALLBACK
1440	CODE:	1784	CODE:
1441	{	1785	{
1442	dREQ (REQ_DB_SYNC);	1786	dREQ (REQ_DB_SYNC, 1);
1443	req->db = db;	1787	req->db = db;
1444	req->uint1 = flags;	1788	req->uint1 = flags;
1445	REQ_SEND;	1789	REQ_SEND;
1446	}	1790	}
1447		1791
1448	void	1792	void
		1793	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1794	PREINIT:
		1795	CALLBACK
		1796	CODE:
		1797	{
		1798	dREQ (REQ_DB_VERIFY, 1);
		1799	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1800	req->db = db;
		1801	req->buf1 = strdup (file);
		1802	req->buf2 = strdup_ornull (database);
		1803	req->uint1 = flags;
		1804	REQ_SEND;
		1805	}
		1806
		1807	void
		1808	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
		1811	CODE:
		1812	{
		1813	dREQ (REQ_DB_UPGRADE, 1);
		1814	req->db = db;
		1815	req->buf1 = strdup (file);
		1816	req->uint1 = flags;
		1817	REQ_SEND;
		1818	}
		1819
		1820	void
1449	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1821	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
1450	CODE:	1824	CODE:
1451	{	1825	{
1452	dREQ (REQ_DB_KEY_RANGE);	1826	dREQ (REQ_DB_KEY_RANGE, 2);
1453	req->db = db;	1827	req->db = db;
1454	req->txn = txn;	1828	req->txn = txn;
1455	sv_to_dbt (&req->dbt1, key);	1829	sv_to_dbt (&req->dbt1, key);
1456	req->uint1 = flags;	1830	req->uint1 = flags;
1457	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1831	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1458	REQ_SEND;	1832	REQ_SEND;
1459	}	1833	}
1460		1834
1461	void	1835	void
1462	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1836	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1837	PREINIT:
		1838	CALLBACK
1463	CODE:	1839	CODE:
1464	{	1840	{
1465	dREQ (REQ_DB_PUT);	1841	dREQ (REQ_DB_PUT, 2);
1466	req->db = db;	1842	req->db = db;
1467	req->txn = txn;	1843	req->txn = txn;
1468	sv_to_dbt (&req->dbt1, key);	1844	sv_to_dbt (&req->dbt1, key);
1469	sv_to_dbt (&req->dbt2, data);	1845	sv_to_dbt (&req->dbt2, data);
1470	req->uint1 = flags;	1846	req->uint1 = flags;
1471	REQ_SEND;	1847	REQ_SEND;
1472	}	1848	}
1473		1849
		1850	#if DB_VERSION_MINOR >= 6
		1851
1474	void	1852	void
		1853	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_DB_EXISTS, 2);
		1859	req->db = db;
		1860	req->txn = txn;
		1861	req->uint1 = flags;
		1862	sv_to_dbt (&req->dbt1, key);
		1863	REQ_SEND;
		1864	}
		1865
		1866	#endif
		1867
		1868	void
1475	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1869	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1870	PREINIT:
		1871	CALLBACK
1476	CODE:	1872	CODE:
1477	{	1873	{
		1874	//TODO: key is somtimesmutable
1478	dREQ (REQ_DB_GET);	1875	dREQ (REQ_DB_GET, 2);
1479	req->db = db;	1876	req->db = db;
1480	req->txn = txn;	1877	req->txn = txn;
1481	req->uint1 = flags;	1878	req->uint1 = flags;
1482	sv_to_dbt (&req->dbt1, key);	1879	sv_to_dbt (&req->dbt1, key);
1483	req->dbt3.flags = DB_DBT_MALLOC;	1880	req->dbt3.flags = DB_DBT_MALLOC;
1484	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1881	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1485	REQ_SEND;	1882	REQ_SEND;
1486	}	1883	}
1487		1884
1488	void	1885	void
1489	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1886	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1887	PREINIT:
		1888	CALLBACK
1490	CODE:	1889	CODE:
1491	{	1890	{
		1891	//TODO: key is somtimesmutable
1492	dREQ (REQ_DB_PGET);	1892	dREQ (REQ_DB_PGET, 2);
		1893	req->db = db;
		1894	req->txn = txn;
		1895	req->uint1 = flags;
		1896
		1897	sv_to_dbt (&req->dbt1, key);
		1898
		1899	req->dbt2.flags = DB_DBT_MALLOC;
		1900	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1901
		1902	req->dbt3.flags = DB_DBT_MALLOC;
		1903	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	dREQ (REQ_DB_DEL, 2);
1493	req->db = db;	1914	req->db = db;
1494	req->txn = txn;	1915	req->txn = txn;
1495	req->uint1 = flags;	1916	req->uint1 = flags;
1496	sv_to_dbt (&req->dbt1, key);	1917	sv_to_dbt (&req->dbt1, key);
1497	sv_to_dbt (&req->dbt2, pkey);
1498	req->dbt3.flags = DB_DBT_MALLOC;
1499	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1500	REQ_SEND;	1918	REQ_SEND;
1501	}	1919	}
1502		1920
1503	void	1921	void
1504	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1922	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1923	PREINIT:
		1924	CALLBACK
1505	CODE:	1925	CODE:
1506	{	1926	{
1507	dREQ (REQ_DB_DEL);	1927	dREQ (REQ_TXN_COMMIT, 0);
1508	req->db = db;	1928	ptr_nuke (ST (0));
1509	req->txn = txn;	1929	req->txn = txn;
1510	req->uint1 = flags;	1930	req->uint1 = flags;
1511	sv_to_dbt (&req->dbt1, key);
1512	REQ_SEND;	1931	REQ_SEND;
1513	}	1932	}
1514		1933
1515	void	1934	void
1516	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1935	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1936	PREINIT:
		1937	CALLBACK
1517	CODE:	1938	CODE:
1518	{	1939	{
1519	dREQ (REQ_TXN_COMMIT);	1940	dREQ (REQ_TXN_ABORT, 0);
		1941	ptr_nuke (ST (0));
		1942	req->txn = txn;
		1943	REQ_SEND;
		1944	}
		1945
		1946	void
		1947	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1948	PREINIT:
		1949	CALLBACK
		1950	CODE:
		1951	{
		1952	dREQ (REQ_TXN_FINISH, 0);
		1953	ptr_nuke (ST (0));
1520	req->txn = txn;	1954	req->txn = txn;
1521	req->uint1 = flags;	1955	req->uint1 = flags;
1522	REQ_SEND;	1956	REQ_SEND;
		1957	}
		1958
		1959	void
		1960	db_c_close (DBC *dbc, SV *callback = 0)
		1961	PREINIT:
		1962	CALLBACK
		1963	CODE:
		1964	{
		1965	dREQ (REQ_C_CLOSE, 0);
1523	ptr_nuke (ST (0));	1966	ptr_nuke (ST (0));
1524	}
1525
1526	void
1527	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1528	CODE:
1529	{
1530	dREQ (REQ_TXN_ABORT);
1531	req->txn = txn;
1532	REQ_SEND;
1533	ptr_nuke (ST (0));
1534	}
1535
1536	void
1537	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1538	CODE:
1539	{
1540	dREQ (REQ_TXN_FINISH);
1541	req->txn = txn;
1542	req->uint1 = flags;
1543	REQ_SEND;
1544	ptr_nuke (ST (0));
1545	}
1546
1547	void
1548	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1549	CODE:
1550	{
1551	dREQ (REQ_C_CLOSE);
1552	req->dbc = dbc;	1967	req->dbc = dbc;
1553	REQ_SEND;	1968	REQ_SEND;
1554	ptr_nuke (ST (0));
1555	}	1969	}
1556		1970
1557	void	1971	void
1558	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1972	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1973	PREINIT:
		1974	CALLBACK
1559	CODE:	1975	CODE:
1560	{	1976	{
1561	dREQ (REQ_C_COUNT);	1977	dREQ (REQ_C_COUNT, 1);
1562	req->dbc = dbc;	1978	req->dbc = dbc;
1563	req->sv1 = SvREFCNT_inc (count);	1979	req->sv1 = SvREFCNT_inc (count);
1564	REQ_SEND;	1980	REQ_SEND;
1565	}	1981	}
1566		1982
1567	void	1983	void
1568	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1984	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1985	PREINIT:
		1986	CALLBACK
1569	CODE:	1987	CODE:
1570	{	1988	{
1571	dREQ (REQ_C_PUT);	1989	dREQ (REQ_C_PUT, 1);
1572	req->dbc = dbc;	1990	req->dbc = dbc;
1573	sv_to_dbt (&req->dbt1, key);	1991	sv_to_dbt (&req->dbt1, key);
1574	sv_to_dbt (&req->dbt2, data);	1992	sv_to_dbt (&req->dbt2, data);
1575	req->uint1 = flags;	1993	req->uint1 = flags;
1576	REQ_SEND;	1994	REQ_SEND;
1577	}	1995	}
1578		1996
1579	void	1997	void
1580	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1998	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1999	PREINIT:
		2000	CALLBACK
1581	CODE:	2001	CODE:
1582	{	2002	{
		2003	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2004	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2005	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2006	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2007	"key",
		2008	"BDB::db_c_get");
		2009
		2010	{
1583	dREQ (REQ_C_GET);	2011	dREQ (REQ_C_GET, 1);
		2012	req->dbc = dbc;
		2013	req->uint1 = flags;
		2014	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2015	sv_to_dbt (&req->dbt1, key);
		2016	else
		2017	{
		2018	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2019	sv_to_dbt (&req->dbt1, key);
		2020	else
		2021	req->dbt1.flags = DB_DBT_MALLOC;
		2022
		2023	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2024	}
		2025
		2026	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2027	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2028	sv_to_dbt (&req->dbt3, data);
		2029	else
		2030	req->dbt3.flags = DB_DBT_MALLOC;
		2031
		2032	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2033	REQ_SEND;
		2034	}
		2035	}
		2036
		2037	void
		2038	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2039	PREINIT:
		2040	CALLBACK
		2041	CODE:
		2042	{
		2043	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2044	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2045	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2046	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2047	"key",
		2048	"BDB::db_c_pget");
		2049
		2050	{
		2051	dREQ (REQ_C_PGET, 1);
		2052	req->dbc = dbc;
		2053	req->uint1 = flags;
		2054	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2055	sv_to_dbt (&req->dbt1, key);
		2056	else
		2057	{
		2058	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2059	sv_to_dbt (&req->dbt1, key);
		2060	else
		2061	req->dbt1.flags = DB_DBT_MALLOC;
		2062
		2063	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2064	}
		2065
		2066	req->dbt2.flags = DB_DBT_MALLOC;
		2067	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2068
		2069	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2070	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2071	sv_to_dbt (&req->dbt3, data);
		2072	else
		2073	req->dbt3.flags = DB_DBT_MALLOC;
		2074
		2075	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2076	REQ_SEND;
		2077	}
		2078	}
		2079
		2080	void
		2081	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2082	PREINIT:
		2083	CALLBACK
		2084	CODE:
		2085	{
		2086	dREQ (REQ_C_DEL, 1);
1584	req->dbc = dbc;	2087	req->dbc = dbc;
1585	req->uint1 = flags;	2088	req->uint1 = flags;
1586	if ((flags & DB_SET) == DB_SET
1587	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1588	sv_to_dbt (&req->dbt1, key);
1589	else
1590	req->dbt1.flags = DB_DBT_MALLOC;
1591
1592	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1593
1594	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1595	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1596	sv_to_dbt (&req->dbt3, data);
1597	else
1598	req->dbt3.flags = DB_DBT_MALLOC;
1599
1600	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1601	REQ_SEND;	2089	REQ_SEND;
1602	}	2090	}
1603		2091
1604	void
1605	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1606	CODE:
1607	{
1608	dREQ (REQ_C_PGET);
1609	req->dbc = dbc;
1610	req->uint1 = flags;
1611	if ((flags & DB_SET) == DB_SET
1612	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1613	sv_to_dbt (&req->dbt1, key);
1614	else
1615	req->dbt1.flags = DB_DBT_MALLOC;
1616		2092
1617	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2093	#if DB_VERSION_MINOR >= 3
1618		2094
1619	req->dbt2.flags = DB_DBT_MALLOC;
1620	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1621
1622	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1623	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1624	sv_to_dbt (&req->dbt3, data);
1625	else
1626	req->dbt3.flags = DB_DBT_MALLOC;
1627
1628	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1629	REQ_SEND;
1630	}
1631
1632	void	2095	void
1633	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1634	CODE:
1635	{
1636	dREQ (REQ_C_DEL);
1637	req->dbc = dbc;
1638	req->uint1 = flags;
1639	REQ_SEND;
1640	}
1641
1642
1643	void
1644	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	2096	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2097	PREINIT:
		2098	CALLBACK
1645	CODE:	2099	CODE:
1646	{	2100	{
1647	dREQ (REQ_SEQ_OPEN);	2101	dREQ (REQ_SEQ_OPEN, 2);
1648	req->seq = seq;	2102	req->seq = seq;
1649	req->txn = txnid;	2103	req->txn = txnid;
1650	req->uint1 = flags | DB_THREAD;	2104	req->uint1 = flags | DB_THREAD;
1651	sv_to_dbt (&req->dbt1, key);	2105	sv_to_dbt (&req->dbt1, key);
1652	REQ_SEND;	2106	REQ_SEND;
1653	}	2107	}
1654		2108
1655	void	2109	void
1656	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	2110	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2111	PREINIT:
		2112	CALLBACK
1657	CODE:	2113	CODE:
1658	{	2114	{
1659	dREQ (REQ_SEQ_CLOSE);	2115	dREQ (REQ_SEQ_CLOSE, 0);
		2116	ptr_nuke (ST (0));
1660	req->seq = seq;	2117	req->seq = seq;
1661	req->uint1 = flags;	2118	req->uint1 = flags;
1662	REQ_SEND;	2119	REQ_SEND;
1663	ptr_nuke (ST (0));
1664	}	2120	}
1665		2121
1666	void	2122	void
1667	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)	2123	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2124	PREINIT:
		2125	CALLBACK
1668	CODE:	2126	CODE:
1669	{	2127	{
1670	dREQ (REQ_SEQ_GET);	2128	dREQ (REQ_SEQ_GET, 2);
1671	req->seq = seq;	2129	req->seq = seq;
1672	req->txn = txnid;	2130	req->txn = txnid;
1673	req->int1 = delta;	2131	req->int1 = delta;
1674	req->uint1 = flags;	2132	req->uint1 = flags;
1675	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2133	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1676	REQ_SEND;	2134	REQ_SEND;
1677	}	2135	}
1678		2136
1679	void	2137	void
1680	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2138	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2139	PREINIT:
		2140	CALLBACK
1681	CODE:	2141	CODE:
1682	{	2142	{
1683	dREQ (REQ_SEQ_REMOVE);	2143	dREQ (REQ_SEQ_REMOVE, 2);
1684	req->seq = seq;	2144	req->seq = seq;
1685	req->txn = txnid;	2145	req->txn = txnid;
1686	req->uint1 = flags;	2146	req->uint1 = flags;
1687	REQ_SEND;	2147	REQ_SEND;
1688	}	2148	}
1689		2149
		2150	#endif
		2151
1690		2152
1691	MODULE = BDB PACKAGE = BDB::Env	2153	MODULE = BDB PACKAGE = BDB::Env
1692		2154
1693	void	2155	void
1694	DESTROY (DB_ENV_ornull *env)	2156	DESTROY (DB_ENV_ornuked *env)
1695	CODE:	2157	CODE:
1696	if (env)	2158	if (env)
1697	env->close (env, 0);	2159	env->close (env, 0);
1698		2160
1699	int set_data_dir (DB_ENV *env, const char *dir)	2161	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1724	CODE:	2186	CODE:
1725	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2187	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1726	OUTPUT:	2188	OUTPUT:
1727	RETVAL	2189	RETVAL
1728		2190
1729	int set_flags (DB_ENV *env, U32 flags, int onoff)	2191	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1730	CODE:	2192	CODE:
1731	RETVAL = env->set_flags (env, flags, onoff);	2193	RETVAL = env->set_flags (env, flags, onoff);
1732	OUTPUT:	2194	OUTPUT:
1733	RETVAL	2195	RETVAL
1734		2196
		2197	#if DB_VERSION_MINOR >= 7
		2198
		2199	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2200	CODE:
		2201	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2206	CODE:
		2207	RETVAL = env->log_set_config (env, flags, onoff);
		2208	OUTPUT:
		2209	RETVAL
		2210
		2211	#endif
		2212
		2213
1735	void set_errfile (DB_ENV *env, FILE *errfile = 0)	2214	void set_errfile (DB_ENV *env, FILE *errfile = 0)
1736	CODE:	2215	CODE:
1737	env->set_errfile (env, errfile);	2216	env->set_errfile (env, errfile);
1738		2217
1739	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)	2218	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1740	CODE:	2219	CODE:
1741	env->set_msgfile (env, msgfile);	2220	env->set_msgfile (env, msgfile);
1742		2221
1743	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2222	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1744	CODE:	2223	CODE:
1745	RETVAL = env->set_verbose (env, which, onoff);	2224	RETVAL = env->set_verbose (env, which, onoff);
1746	OUTPUT:	2225	OUTPUT:
1747	RETVAL	2226	RETVAL
1748		2227
…		…
1809	int set_lg_max (DB_ENV *env, U32 max)	2288	int set_lg_max (DB_ENV *env, U32 max)
1810	CODE:	2289	CODE:
1811	RETVAL = env->set_lg_max (env, max);	2290	RETVAL = env->set_lg_max (env, max);
1812	OUTPUT:	2291	OUTPUT:
1813	RETVAL	2292	RETVAL
		2293
		2294	#if DB_VERSION_MINOR >= 4
		2295
		2296	int mutex_set_max (DB_ENV *env, U32 max)
		2297	CODE:
		2298	RETVAL = env->mutex_set_max (env, max);
		2299	OUTPUT:
		2300	RETVAL
		2301
		2302	int mutex_set_increment (DB_ENV *env, U32 increment)
		2303	CODE:
		2304	RETVAL = env->mutex_set_increment (env, increment);
		2305	OUTPUT:
		2306	RETVAL
		2307
		2308	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2309	CODE:
		2310	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2311	OUTPUT:
		2312	RETVAL
		2313
		2314	int mutex_set_align (DB_ENV *env, U32 align)
		2315	CODE:
		2316	RETVAL = env->mutex_set_align (env, align);
		2317	OUTPUT:
		2318	RETVAL
		2319
		2320	#endif
1814		2321
1815	DB_TXN *	2322	DB_TXN *
1816	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2323	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1817	CODE:	2324	CODE:
1818	errno = env->txn_begin (env, parent, &RETVAL, flags);	2325	errno = env->txn_begin (env, parent, &RETVAL, flags);
1819	if (errno)	2326	if (errno)
1820	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2327	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1821	OUTPUT:	2328	OUTPUT:
1822	RETVAL	2329	RETVAL
1823		2330
		2331	#if DB_VERSION_MINOR >= 5
		2332
		2333	DB_TXN *
		2334	cdsgroup_begin (DB_ENV *env)
		2335	CODE:
		2336	errno = env->cdsgroup_begin (env, &RETVAL);
		2337	if (errno)
		2338	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2339	OUTPUT:
		2340	RETVAL
		2341
		2342	#endif
		2343
1824	MODULE = BDB PACKAGE = BDB::Db	2344	MODULE = BDB PACKAGE = BDB::Db
1825		2345
1826	void	2346	void
1827	DESTROY (DB_ornull *db)	2347	DESTROY (DB_ornuked *db)
1828	CODE:	2348	CODE:
1829	if (db)	2349	if (db)
1830	{	2350	{
1831	SV *env = (SV *)db->app_private;	2351	SV *env = (SV *)db->app_private;
1832	db->close (db, 0);	2352	db->close (db, 0);
…		…
1837	CODE:	2357	CODE:
1838	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2358	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1839	OUTPUT:	2359	OUTPUT:
1840	RETVAL	2360	RETVAL
1841		2361
		2362	int set_pagesize (DB *db, U32 pagesize)
		2363	CODE:
		2364	RETVAL = db->set_pagesize (db, pagesize);
		2365	OUTPUT:
		2366	RETVAL
		2367
1842	int set_flags (DB *db, U32 flags)	2368	int set_flags (DB *db, U32 flags)
1843	CODE:	2369	CODE:
1844	RETVAL = db->set_flags (db, flags);	2370	RETVAL = db->set_flags (db, flags);
1845	OUTPUT:	2371	OUTPUT:
1846	RETVAL	2372	RETVAL
…		…
1912	if (errno)	2438	if (errno)
1913	croak ("DB->cursor: %s", db_strerror (errno));	2439	croak ("DB->cursor: %s", db_strerror (errno));
1914	OUTPUT:	2440	OUTPUT:
1915	RETVAL	2441	RETVAL
1916		2442
		2443	#if DB_VERSION_MINOR >= 3
		2444
1917	DB_SEQUENCE *	2445	DB_SEQUENCE *
1918	sequence (DB *db, U32 flags = 0)	2446	sequence (DB *db, U32 flags = 0)
1919	CODE:	2447	CODE:
1920	{	2448	{
1921	errno = db_sequence_create (&RETVAL, db, flags);	2449	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1923	croak ("db_sequence_create: %s", db_strerror (errno));	2451	croak ("db_sequence_create: %s", db_strerror (errno));
1924	}	2452	}
1925	OUTPUT:	2453	OUTPUT:
1926	RETVAL	2454	RETVAL
1927		2455
		2456	#endif
		2457
1928		2458
1929	MODULE = BDB PACKAGE = BDB::Txn	2459	MODULE = BDB PACKAGE = BDB::Txn
1930		2460
1931	void	2461	void
1932	DESTROY (DB_TXN_ornull *txn)	2462	DESTROY (DB_TXN_ornuked *txn)
1933	CODE:	2463	CODE:
1934	if (txn)	2464	if (txn)
1935	txn->abort (txn);	2465	txn->abort (txn);
1936		2466
1937	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)	2467	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
…		…
1948		2478
1949		2479
1950	MODULE = BDB PACKAGE = BDB::Cursor	2480	MODULE = BDB PACKAGE = BDB::Cursor
1951		2481
1952	void	2482	void
1953	DESTROY (DBC_ornull *dbc)	2483	DESTROY (DBC_ornuked *dbc)
1954	CODE:	2484	CODE:
1955	if (dbc)	2485	if (dbc)
1956	dbc->c_close (dbc);	2486	dbc->c_close (dbc);
1957		2487
		2488	#if DB_VERSION_MINOR >= 6
		2489
		2490	int set_priority (DBC *dbc, int priority)
		2491	CODE:
		2492	dbc->set_priority (dbc, priority);
		2493
		2494	#endif
		2495
		2496	#if DB_VERSION_MINOR >= 3
		2497
1958	MODULE = BDB PACKAGE = BDB::Sequence	2498	MODULE = BDB PACKAGE = BDB::Sequence
1959		2499
1960	void	2500	void
1961	DESTROY (DB_SEQUENCE_ornull *seq)	2501	DESTROY (DB_SEQUENCE_ornuked *seq)
1962	CODE:	2502	CODE:
1963	if (seq)	2503	if (seq)
1964	seq->close (seq, 0);	2504	seq->close (seq, 0);
1965		2505
1966	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2506	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1985	CODE:	2525	CODE:
1986	RETVAL = seq->set_range (seq, min, max);	2526	RETVAL = seq->set_range (seq, min, max);
1987	OUTPUT:	2527	OUTPUT:
1988	RETVAL	2528	RETVAL
1989		2529
		2530	#endif
		2531
		2532

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