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Comparing BDB/BDB.xs (file contents):
Revision 1.19 by root, Mon Sep 24 18:14:11 2007 UTC vs.
Revision 1.52 by root, Thu Sep 25 13:44:44 2008 UTC

		1	#include <sys/user.h>
		2	#include <sys/ptrace.h>
		3
		4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		5
1	#include "xthread.h"	6	#include "xthread.h"
2		7
3	#include <errno.h>	8	#include <errno.h>
4		9
5	#include "EXTERN.h"	10	#include "EXTERN.h"
…		…
27	# include <unistd.h>	32	# include <unistd.h>
28	#endif	33	#endif
29		34
30	#include <db.h>	35	#include <db.h>
31		36
32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
33	# error you need Berkeley DB 4.4 or newer installed	38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
34	#endif	39	#endif
35		40
36	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
38		43
39	typedef DB_ENV DB_ENV_ornull;	44	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	45	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	46	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	47	typedef DB DB_ornull;
		48
		49	typedef DB_ENV DB_ENV_ornuked;
		50	typedef DB_TXN DB_TXN_ornuked;
		51	typedef DBC DBC_ornuked;
		52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		57	#endif
44		58
45	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	60	typedef char *bdb_filename;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
49		63
50	#if DB_VERSION_MINOR >= 6	64	#if DB_VERSION_MINOR >= 6
51	# define c_close close	65	# define c_close close
…		…
55	# define c_get get	69	# define c_get get
56	# define c_pget pget	70	# define c_pget pget
57	# define c_put put	71	# define c_put put
58	#endif	72	#endif
59		73
		74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
60	static void	104	static void
61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)	105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62	{	106	{
63	printf ("err[%s]\n", msg);	107	printf ("err[%s]\n", msg);
64	}	108	}
…		…
91	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
92	{	136	{
93	if (sv)	137	if (sv)
94	{	138	{
95	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
96	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
97	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
98	}	142	}
99		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
100	free (dbt->data);	145	free (dbt->data);
101	}	146	}
102		147
103	enum {	148	enum {
104	REQ_QUIT,	149	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
109	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,	154	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,	155	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,	156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	157	};
113		158
114	typedef struct aio_cb	159	typedef struct bdb_cb
115	{	160	{
116	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
117	SV *callback;	162	SV *callback;
118	int type, pri, result;	163	int type, pri, result;
119		164
120	DB_ENV *env;	165	DB_ENV *env;
121	DB *db;	166	DB *db;
…		…
123	DBC *dbc;	168	DBC *dbc;
124		169
125	UV uv1;	170	UV uv1;
126	int int1, int2;	171	int int1, int2;
127	U32 uint1, uint2;	172	U32 uint1, uint2;
128	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
129	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
130		175
131	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
133	DB_SEQUENCE *seq;	179	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	180	db_seq_t seq_t;
135	} aio_cb;	181	#endif
136		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
137	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
138		187
139	enum {	188	enum {
140	PRI_MIN = -4,	189	PRI_MIN = -4,
141	PRI_MAX = 4,	190	PRI_MAX = 4,
142		191
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	195	};
147		196
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		198
		199	static SV *on_next_submit;
		200
150	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
152		203
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
169	struct worker *prev, *next;	220	struct worker *prev, *next;
170		221
171	thread_t tid;	222	thread_t tid;
172		223
173	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
175	void *dbuf;	226	void *dbuf;
176	DIR *dirp;	227	DIR *dirp;
177	} worker;	228	} worker;
178		229
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
199	static mutex_t reqlock = X_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	251	static cond_t reqwait = X_COND_INIT;
201		252
202	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
203		254
204	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
205	{	256	{
206	unsigned int retval;	257	unsigned int retval;
207		258
208	X_LOCK (reqlock);	259	X_LOCK (reqlock);
209	retval = nready;	260	retval = nready;
210	X_UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
211		262
212	return retval;	263	return retval;
213	}	264	}
214		265
215	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
216	{	267	{
217	unsigned int retval;	268	unsigned int retval;
218		269
219	X_LOCK (reslock);	270	X_LOCK (reslock);
220	retval = npending;	271	retval = npending;
221	X_UNLOCK (reslock);	272	X_UNLOCK (reslock);
222		273
223	return retval;	274	return retval;
224	}	275	}
225		276
226	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
227	{	278	{
228	unsigned int retval;	279	unsigned int retval;
229		280
230	X_LOCK (wrklock);	281	X_LOCK (wrklock);
231	retval = started;	282	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
249	*/	300	*/
250	typedef struct {	301	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	303	int size;
253	} reqq;	304	} reqq;
254		305
255	static reqq req_queue;	306	static reqq req_queue;
256	static reqq res_queue;	307	static reqq res_queue;
257		308
258	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
259	{	310	{
260	int pri = req->pri;	311	int pri = req->pri;
261	req->next = 0;	312	req->next = 0;
262		313
263	if (q->qe[pri])	314	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
270		321
271	return q->size++;	322	return q->size++;
272	}	323	}
273		324
274	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
275	{	326	{
276	int pri;	327	int pri;
277		328
278	if (!q->size)	329	if (!q->size)
279	return 0;	330	return 0;
280		331
281	--q->size;	332	--q->size;
282		333
283	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
284	{	335	{
285	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
286		337
287	if (req)	338	if (req)
288	{	339	{
289	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
294	}	345	}
295		346
296	abort ();	347	abort ();
297	}	348	}
298		349
299	static int poll_cb ();	350	static int poll_cb (void);
300	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
302		353
303	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
304	{	355	{
305	dSP;	356	dSP;
306		357
307	if (SvOK (req->callback))	358	if (req->callback)
308	{	359	{
309	ENTER;	360	ENTER;
310	SAVETMPS;	361	SAVETMPS;
311	PUSHMARK (SP);	362	PUSHMARK (SP);
312		363
…		…
326	dbt_to_sv (req->sv1, &req->dbt1);	377	dbt_to_sv (req->sv1, &req->dbt1);
327	dbt_to_sv (req->sv2, &req->dbt2);	378	dbt_to_sv (req->sv2, &req->dbt2);
328	dbt_to_sv (req->sv3, &req->dbt3);	379	dbt_to_sv (req->sv3, &req->dbt3);
329	break;	380	break;
330		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
331	case REQ_DB_KEY_RANGE:	388	case REQ_DB_KEY_RANGE:
332	{	389	{
333	AV *av = newAV ();	390	AV *av = newAV ();
334		391
335	av_push (av, newSVnv (req->key_range.less));	392	av_push (av, newSVnv (req->key_range.less));
…		…
340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341	SvREFCNT_dec (req->sv1);	398	SvREFCNT_dec (req->sv1);
342	}	399	}
343	break;	400	break;
344		401
		402	#if DB_VERSION_MINOR >= 3
345	case REQ_SEQ_GET:	403	case REQ_SEQ_GET:
346	SvREADONLY_off (req->sv1);	404	SvREADONLY_off (req->sv1);
347		405
348	if (sizeof (IV) > 4)	406	if (sizeof (IV) > 4)
349	sv_setiv_mg (req->sv1, req->seq_t);	407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
350	else	408	else
351	sv_setnv_mg (req->sv1, req->seq_t);	409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
352		410
353	SvREFCNT_dec (req->sv1);	411	SvREFCNT_dec (req->sv1);
354	break;	412	break;
		413	#endif
355	}	414	}
356		415
357	errno = req->result;	416	errno = req->result;
358		417
359	PUTBACK;	418	PUTBACK;
…		…
365	}	424	}
366		425
367	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
368	}	427	}
369		428
370	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
371	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
372	free (req->buf1);	436	free (req->buf1);
373	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
374	Safefree (req);	440	Safefree (req);
375	}	441	}
376		442
377	#ifdef USE_SOCKETS_AS_HANDLES	443	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))	444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else	445	#else
380	# define TO_SOCKET(x) (x)	446	# define TO_SOCKET(x) (x)
381	#endif	447	#endif
382		448
383	static void	449	static void
384	create_respipe ()	450	create_respipe (void)
385	{	451	{
		452	#ifdef _WIN32
		453	int arg; /* argg */
		454	#endif
386	int old_readfd = respipe [0];	455	int old_readfd = respipe [0];
387		456
388	if (respipe [1] >= 0)	457	if (respipe [1] >= 0)
389	respipe_close (TO_SOCKET (respipe [1]));	458	respipe_close (TO_SOCKET (respipe [1]));
390		459
…		…
403	respipe_close (respipe [0]);	472	respipe_close (respipe [0]);
404	respipe [0] = old_readfd;	473	respipe [0] = old_readfd;
405	}	474	}
406		475
407	#ifdef _WIN32	476	#ifdef _WIN32
408	int arg = 1;	477	arg = 1;
409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)	478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))	479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
411	#else	480	#else
412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)	481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))	482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
…		…
440	free (wrk);	509	free (wrk);
441		510
442	X_UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
443	}	512	}
444		513
445	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
446	{	515	{
447	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
448	return;	517	return;
449		518
450	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
452	return;	521	return;
453		522
454	start_thread ();	523	start_thread ();
455	}	524	}
456		525
457	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
458	{	527	{
459	SV *wait_callback = 0;	528	SV *wait_callback = 0;
460		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
461	// synthesize callback if none given	543	// synthesize callback if none given
462	if (!SvOK (req->callback))	544	if (!req->callback)
463	{	545	{
464	int count;	546	int count;
465		547
466	dSP;	548	dSP;
467	PUSHMARK (SP);	549	PUSHMARK (SP);
…		…
470	SPAGAIN;	552	SPAGAIN;
471		553
472	if (count != 2)	554	if (count != 2)
473	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
474		556
475	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
476	SvREFCNT_dec (req->callback);
477	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
478	}	559	}
479		560
480	++nreqs;	561	++nreqs;
481		562
…		…
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;	621	fd_set rfd;
544		622
545	while (nreqs)	623	while (nreqs)
546	{	624	{
…		…
559		637
560	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	638	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
561	}	639	}
562	}	640	}
563		641
564	static int poll_cb ()	642	static int poll_cb (void)
565	{	643	{
566	dSP;	644	dSP;
567	int count = 0;	645	int count = 0;
568	int maxreqs = max_poll_reqs;	646	int maxreqs = max_poll_reqs;
569	int do_croak = 0;	647	int do_croak = 0;
570	struct timeval tv_start, tv_now;	648	struct timeval tv_start, tv_now;
571	aio_req req;	649	bdb_req req;
572		650
573	if (max_poll_time)	651	if (max_poll_time)
574	gettimeofday (&tv_start, 0);	652	gettimeofday (&tv_start, 0);
575		653
576	for (;;)	654	for (;;)
…		…
635	return count;	713	return count;
636	}	714	}
637		715
638	/*****************************************************************************/	716	/*****************************************************************************/
639		717
		718	static void
		719	bdb_request (bdb_req req)
		720	{
		721	switch (req->type)
		722	{
		723	case REQ_ENV_OPEN:
		724	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		725	break;
		726
		727	case REQ_ENV_CLOSE:
		728	req->result = req->env->close (req->env, req->uint1);
		729	break;
		730
		731	case REQ_ENV_TXN_CHECKPOINT:
		732	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		733	break;
		734
		735	case REQ_ENV_LOCK_DETECT:
		736	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		737	break;
		738
		739	case REQ_ENV_MEMP_SYNC:
		740	req->result = req->env->memp_sync (req->env, 0);
		741	break;
		742
		743	case REQ_ENV_MEMP_TRICKLE:
		744	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		745	break;
		746
		747	case REQ_ENV_DBREMOVE:
		748	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		749	break;
		750
		751	case REQ_ENV_DBRENAME:
		752	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		753	break;
		754
		755	case REQ_DB_OPEN:
		756	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		757	break;
		758
		759	case REQ_DB_CLOSE:
		760	req->result = req->db->close (req->db, req->uint1);
		761	break;
		762
		763	#if DB_VERSION_MINOR >= 4
		764	case REQ_DB_COMPACT:
		765	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		766	break;
		767	#endif
		768
		769	case REQ_DB_SYNC:
		770	req->result = req->db->sync (req->db, req->uint1);
		771	break;
		772
		773	case REQ_DB_UPGRADE:
		774	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		775	break;
		776
		777	case REQ_DB_PUT:
		778	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		779	break;
		780
		781	#if DB_VERSION_MINOR >= 6
		782	case REQ_DB_EXISTS:
		783	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		784	break;
		785	#endif
		786	case REQ_DB_GET:
		787	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		788	break;
		789
		790	case REQ_DB_PGET:
		791	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_DB_DEL:
		795	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		796	break;
		797
		798	case REQ_DB_KEY_RANGE:
		799	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		800	break;
		801
		802	case REQ_TXN_COMMIT:
		803	req->result = req->txn->commit (req->txn, req->uint1);
		804	break;
		805
		806	case REQ_TXN_ABORT:
		807	req->result = req->txn->abort (req->txn);
		808	break;
		809
		810	case REQ_TXN_FINISH:
		811	if (req->txn->flags & TXN_DEADLOCK)
		812	{
		813	req->result = req->txn->abort (req->txn);
		814	if (!req->result)
		815	req->result = DB_LOCK_DEADLOCK;
		816	}
		817	else
		818	req->result = req->txn->commit (req->txn, req->uint1);
		819	break;
		820
		821	case REQ_C_CLOSE:
		822	req->result = req->dbc->c_close (req->dbc);
		823	break;
		824
		825	case REQ_C_COUNT:
		826	{
		827	db_recno_t recno;
		828	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		829	req->uv1 = recno;
		830	}
		831	break;
		832
		833	case REQ_C_PUT:
		834	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		835	break;
		836
		837	case REQ_C_GET:
		838	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		839	break;
		840
		841	case REQ_C_PGET:
		842	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		843	break;
		844
		845	case REQ_C_DEL:
		846	req->result = req->dbc->c_del (req->dbc, req->uint1);
		847	break;
		848
		849	#if DB_VERSION_MINOR >= 3
		850	case REQ_SEQ_OPEN:
		851	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		852	break;
		853
		854	case REQ_SEQ_CLOSE:
		855	req->result = req->seq->close (req->seq, req->uint1);
		856	break;
		857
		858	case REQ_SEQ_GET:
		859	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_REMOVE:
		863	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		864	break;
		865	#endif
		866
		867	default:
		868	req->result = ENOSYS;
		869	break;
		870	}
		871
		872	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		873	req->txn->flags |= TXN_DEADLOCK;
		874	}
		875
640	X_THREAD_PROC (bdb_proc)	876	X_THREAD_PROC (bdb_proc)
641	{	877	{
642	aio_req req;	878	bdb_req req;
643	struct timespec ts;	879	struct timespec ts;
644	worker *self = (worker *)thr_arg;	880	worker *self = (worker *)thr_arg;
645		881
646	/* try to distribute timeouts somewhat evenly */	882	/* try to distribute timeouts somewhat evenly */
647	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	883	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
…		…
683	}	919	}
684		920
685	--nready;	921	--nready;
686		922
687	X_UNLOCK (reqlock);	923	X_UNLOCK (reqlock);
688		924
689	switch (req->type)	925	if (req->type == REQ_QUIT)
690	{	926	{
691	case REQ_QUIT:	927	X_LOCK (reslock);
692	req->result = ENOSYS;	928	free (req);
		929	self->req = 0;
		930	X_UNLOCK (reslock);
		931
693	goto quit;	932	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	}	933	}
822		934
823	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))	935	bdb_request (req);
824	req->txn->flags |= TXN_DEADLOCK;
825		936
826	X_LOCK (reslock);	937	X_LOCK (reslock);
827		938
828	++npending;	939	++npending;
829		940
…		…
861	X_UNLOCK (wrklock);	972	X_UNLOCK (wrklock);
862	}	973	}
863		974
864	static void atfork_child (void)	975	static void atfork_child (void)
865	{	976	{
866	aio_req prv;	977	bdb_req prv;
867		978
868	while (prv = reqq_shift (&req_queue))	979	while (prv = reqq_shift (&req_queue))
869	req_free (prv);	980	req_free (prv);
870		981
871	while (prv = reqq_shift (&res_queue))	982	while (prv = reqq_shift (&res_queue))
…		…
891	create_respipe ();	1002	create_respipe ();
892		1003
893	atfork_parent ();	1004	atfork_parent ();
894	}	1005	}
895		1006
896	#define dREQ(reqtype) \	1007	#define dREQ(reqtype,rsvcnt) \
897	aio_req req; \	1008	bdb_req req; \
898	int req_pri = next_pri; \	1009	int req_pri = next_pri; \
899	next_pri = DEFAULT_PRI + PRI_BIAS; \	1010	next_pri = DEFAULT_PRI + PRI_BIAS; \
900	\	1011	\
901	if (SvOK (callback) && !SvROK (callback)) \	1012	if (callback && SvOK (callback)) \
902	croak ("callback must be undef or of reference type"); \	1013	croak ("callback has illegal type or extra arguments"); \
903	\	1014	\
904	Newz (0, req, 1, aio_cb); \	1015	Newz (0, req, 1, bdb_cb); \
905	if (!req) \	1016	if (!req) \
906	croak ("out of memory during aio_req allocation"); \	1017	croak ("out of memory during bdb_req allocation"); \
907	\	1018	\
908	req->callback = newSVsv (callback); \	1019	req->callback = SvREFCNT_inc (cb); \
909	req->type = (reqtype); \	1020	req->type = (reqtype); \
910	req->pri = req_pri	1021	req->pri = req_pri; \
		1022	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1023	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1024	(void)0;
911		1025
912	#define REQ_SEND \	1026	#define REQ_SEND \
913	req_send (req)	1027	req_send (req)
914		1028
915	#define SvPTR(var, arg, type, class, nullok) \	1029	#define SvPTR(var, arg, type, class, nullok) \
916	if (!SvOK (arg)) \	1030	if (!SvOK (arg)) \
917	{ \	1031	{ \
918	if (!nullok) \	1032	if (nullok != 1) \
919	croak (# var " must be a " # class " object, not undef"); \	1033	croak (# var " must be a " # class " object, not undef"); \
920	\	1034	\
921	(var) = 0; \	1035	(var) = 0; \
922	} \	1036	} \
923	else if (sv_derived_from ((arg), # class)) \	1037	else if (sv_derived_from ((arg), # class)) \
924	{ \	1038	{ \
925	IV tmp = SvIV ((SV*) SvRV (arg)); \	1039	IV tmp = SvIV ((SV*) SvRV (arg)); \
926	(var) = INT2PTR (type, tmp); \	1040	(var) = INT2PTR (type, tmp); \
927	if (!var) \	1041	if (!var && nullok != 2) \
928	croak (# var " is not a valid " # class " object anymore"); \	1042	croak (# var " is not a valid " # class " object anymore"); \
929	} \	1043	} \
930	else \	1044	else \
931	croak (# var " is not of type " # class); \	1045	croak (# var " is not of type " # class);
932	\
933		1046
934	static void	1047	static void
935	ptr_nuke (SV *sv)	1048	ptr_nuke (SV *sv)
936	{	1049	{
937	assert (SvROK (sv));	1050	assert (SvROK (sv));
938	sv_setiv (SvRV (sv), 0);	1051	sv_setiv (SvRV (sv), 0);
939	}	1052	}
		1053
		1054	static int
		1055	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1056	{
		1057	if (*mg->mg_ptr == '!') // should always be the case
		1058	if (-30999 <= errno && errno <= -30800)
		1059	{
		1060	sv_setnv (sv, (NV)errno);
		1061	sv_setpv (sv, db_strerror (errno));
		1062	SvNOK_on (sv); /* what a wonderful hack! */
		1063	// ^^^ copied from perl sources
		1064	return 0;
		1065	}
		1066
		1067	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1068	}
		1069
		1070	static MGVTBL vtbl_errno;
		1071
		1072	// this wonderful hack :( patches perl's $! variable to support our errno values
		1073	static void
		1074	patch_errno (void)
		1075	{
		1076	SV *sv;
		1077	MAGIC *mg;
		1078
		1079	if (!(sv = get_sv ("!", 1)))
		1080	return;
		1081
		1082	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1083	return;
		1084
		1085	if (mg->mg_virtual != &PL_vtbl_sv)
		1086	return;
		1087
		1088	vtbl_errno = PL_vtbl_sv;
		1089	vtbl_errno.svt_get = errno_get;
		1090	mg->mg_virtual = &vtbl_errno;
		1091	}
		1092
		1093	#if __GNUC__ >= 4
		1094	# define noinline __attribute__ ((noinline))
		1095	#else
		1096	# define noinline
		1097	#endif
		1098
		1099	static noinline SV *
		1100	pop_callback (I32 *ritems, SV *sv)
		1101	{
		1102	if (SvROK (sv))
		1103	{
		1104	HV *st;
		1105	GV *gvp;
		1106	CV *cv;
		1107	const char *name;
		1108
		1109	/* forgive me */
		1110	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1111	&& (st = SvSTASH (SvRV (sv)))
		1112	&& (name = HvNAME_get (st))
		1113	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1114	return 0;
		1115
		1116	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1117	{
		1118	--*ritems;
		1119	return (SV *)cv;
		1120	}
		1121	}
		1122
		1123	return 0;
		1124	}
		1125
		1126	/* stupid windoes defined CALLBACK as well */
		1127	#undef CALLBACK
		1128	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
940		1129
941	MODULE = BDB PACKAGE = BDB	1130	MODULE = BDB PACKAGE = BDB
942		1131
943	PROTOTYPES: ENABLE	1132	PROTOTYPES: ENABLE
944		1133
…		…
960	const_iv (INIT_TXN)	1149	const_iv (INIT_TXN)
961	const_iv (RECOVER)	1150	const_iv (RECOVER)
962	const_iv (INIT_TXN)	1151	const_iv (INIT_TXN)
963	const_iv (RECOVER_FATAL)	1152	const_iv (RECOVER_FATAL)
964	const_iv (CREATE)	1153	const_iv (CREATE)
		1154	const_iv (RDONLY)
965	const_iv (USE_ENVIRON)	1155	const_iv (USE_ENVIRON)
966	const_iv (USE_ENVIRON_ROOT)	1156	const_iv (USE_ENVIRON_ROOT)
967	const_iv (LOCKDOWN)	1157	const_iv (LOCKDOWN)
968	const_iv (PRIVATE)	1158	const_iv (PRIVATE)
969	const_iv (REGISTER)
970	const_iv (SYSTEM_MEM)	1159	const_iv (SYSTEM_MEM)
971	const_iv (AUTO_COMMIT)	1160	const_iv (AUTO_COMMIT)
972	const_iv (CDB_ALLDB)	1161	const_iv (CDB_ALLDB)
973	const_iv (DIRECT_DB)	1162	const_iv (DIRECT_DB)
974	const_iv (DIRECT_LOG)
975	const_iv (DSYNC_DB)
976	const_iv (DSYNC_LOG)
977	const_iv (LOG_AUTOREMOVE)
978	const_iv (LOG_INMEMORY)
979	const_iv (NOLOCKING)	1163	const_iv (NOLOCKING)
980	const_iv (NOMMAP)	1164	const_iv (NOMMAP)
981	const_iv (NOPANIC)	1165	const_iv (NOPANIC)
982	const_iv (OVERWRITE)	1166	const_iv (OVERWRITE)
983	const_iv (PANIC_ENVIRONMENT)	1167	const_iv (PANIC_ENVIRONMENT)
984	const_iv (REGION_INIT)	1168	const_iv (REGION_INIT)
985	const_iv (TIME_NOTGRANTED)	1169	const_iv (TIME_NOTGRANTED)
986	const_iv (TXN_NOSYNC)	1170	const_iv (TXN_NOSYNC)
		1171	const_iv (TXN_NOT_DURABLE)
987	const_iv (TXN_WRITE_NOSYNC)	1172	const_iv (TXN_WRITE_NOSYNC)
988	const_iv (WRITECURSOR)	1173	const_iv (WRITECURSOR)
989	const_iv (YIELDCPU)	1174	const_iv (YIELDCPU)
990	const_iv (ENCRYPT_AES)	1175	const_iv (ENCRYPT_AES)
991	const_iv (XA_CREATE)	1176	const_iv (XA_CREATE)
…		…
993	const_iv (HASH)	1178	const_iv (HASH)
994	const_iv (QUEUE)	1179	const_iv (QUEUE)
995	const_iv (RECNO)	1180	const_iv (RECNO)
996	const_iv (UNKNOWN)	1181	const_iv (UNKNOWN)
997	const_iv (EXCL)	1182	const_iv (EXCL)
998	const_iv (READ_COMMITTED)
999	const_iv (READ_UNCOMMITTED)
1000	const_iv (TRUNCATE)	1183	const_iv (TRUNCATE)
1001	const_iv (NOSYNC)	1184	const_iv (NOSYNC)
1002	const_iv (CHKSUM)	1185	const_iv (CHKSUM)
1003	const_iv (ENCRYPT)	1186	const_iv (ENCRYPT)
1004	const_iv (TXN_NOT_DURABLE)
1005	const_iv (DUP)	1187	const_iv (DUP)
1006	const_iv (DUPSORT)	1188	const_iv (DUPSORT)
1007	const_iv (RECNUM)	1189	const_iv (RECNUM)
1008	const_iv (RENUMBER)	1190	const_iv (RENUMBER)
1009	const_iv (REVSPLITOFF)	1191	const_iv (REVSPLITOFF)
1010	const_iv (INORDER)
1011	const_iv (CONSUME)	1192	const_iv (CONSUME)
1012	const_iv (CONSUME_WAIT)	1193	const_iv (CONSUME_WAIT)
1013	const_iv (GET_BOTH)	1194	const_iv (GET_BOTH)
1014	const_iv (GET_BOTH_RANGE)	1195	const_iv (GET_BOTH_RANGE)
1015	//const_iv (SET_RECNO)	1196	//const_iv (SET_RECNO)
1016	//const_iv (MULTIPLE)	1197	//const_iv (MULTIPLE)
1017	const_iv (SNAPSHOT)	1198	const_iv (SNAPSHOT)
1018	const_iv (JOIN_ITEM)	1199	const_iv (JOIN_ITEM)
		1200	const_iv (JOIN_NOSORT)
1019	const_iv (RMW)	1201	const_iv (RMW)
1020		1202
1021	const_iv (NOTFOUND)	1203	const_iv (NOTFOUND)
1022	const_iv (KEYEMPTY)	1204	const_iv (KEYEMPTY)
1023	const_iv (LOCK_DEADLOCK)	1205	const_iv (LOCK_DEADLOCK)
1024	const_iv (LOCK_NOTGRANTED)	1206	const_iv (LOCK_NOTGRANTED)
1025	const_iv (RUNRECOVERY)	1207	const_iv (RUNRECOVERY)
1026	const_iv (OLD_VERSION)	1208	const_iv (OLD_VERSION)
1027	const_iv (REP_HANDLE_DEAD)	1209	const_iv (REP_HANDLE_DEAD)
1028	const_iv (REP_LOCKOUT)
1029	const_iv (SECONDARY_BAD)	1210	const_iv (SECONDARY_BAD)
1030
1031	const_iv (FREE_SPACE)
1032	const_iv (FREELIST_ONLY)
1033		1211
1034	const_iv (APPEND)	1212	const_iv (APPEND)
1035	const_iv (NODUPDATA)	1213	const_iv (NODUPDATA)
1036	const_iv (NOOVERWRITE)	1214	const_iv (NOOVERWRITE)
1037		1215
…		…
1039	const_iv (TXN_SYNC)	1217	const_iv (TXN_SYNC)
1040		1218
1041	const_iv (SET_LOCK_TIMEOUT)	1219	const_iv (SET_LOCK_TIMEOUT)
1042	const_iv (SET_TXN_TIMEOUT)	1220	const_iv (SET_TXN_TIMEOUT)
1043		1221
1044	const_iv (JOIN_ITEM)
1045	const_iv (FIRST)	1222	const_iv (FIRST)
1046	const_iv (NEXT)	1223	const_iv (NEXT)
1047	const_iv (NEXT_DUP)	1224	const_iv (NEXT_DUP)
1048	const_iv (NEXT_NODUP)	1225	const_iv (NEXT_NODUP)
1049	const_iv (PREV)	1226	const_iv (PREV)
…		…
1061	const_iv (FORCE)	1238	const_iv (FORCE)
1062		1239
1063	const_iv (LOCK_DEFAULT)	1240	const_iv (LOCK_DEFAULT)
1064	const_iv (LOCK_EXPIRE)	1241	const_iv (LOCK_EXPIRE)
1065	const_iv (LOCK_MAXLOCKS)	1242	const_iv (LOCK_MAXLOCKS)
1066	const_iv (LOCK_MAXWRITE)
1067	const_iv (LOCK_MINLOCKS)	1243	const_iv (LOCK_MINLOCKS)
1068	const_iv (LOCK_MINWRITE)	1244	const_iv (LOCK_MINWRITE)
1069	const_iv (LOCK_OLDEST)	1245	const_iv (LOCK_OLDEST)
1070	const_iv (LOCK_RANDOM)	1246	const_iv (LOCK_RANDOM)
1071	const_iv (LOCK_YOUNGEST)	1247	const_iv (LOCK_YOUNGEST)
1072		1248
1073	const_iv (SEQ_DEC)
1074	const_iv (SEQ_INC)
1075	const_iv (SEQ_WRAP)
1076
1077	const_iv (BUFFER_SMALL)
1078	const_iv (DONOTINDEX)	1249	const_iv (DONOTINDEX)
1079	const_iv (KEYEMPTY )	1250	const_iv (KEYEMPTY )
1080	const_iv (KEYEXIST )	1251	const_iv (KEYEXIST )
1081	const_iv (LOCK_DEADLOCK)	1252	const_iv (LOCK_DEADLOCK)
1082	const_iv (LOCK_NOTGRANTED)	1253	const_iv (LOCK_NOTGRANTED)
1083	const_iv (LOG_BUFFER_FULL)
1084	const_iv (NOSERVER)	1254	const_iv (NOSERVER)
1085	const_iv (NOSERVER_HOME)	1255	const_iv (NOSERVER_HOME)
1086	const_iv (NOSERVER_ID)	1256	const_iv (NOSERVER_ID)
1087	const_iv (NOTFOUND)	1257	const_iv (NOTFOUND)
1088	const_iv (OLD_VERSION)
1089	const_iv (PAGE_NOTFOUND)	1258	const_iv (PAGE_NOTFOUND)
1090	const_iv (REP_DUPMASTER)	1259	const_iv (REP_DUPMASTER)
1091	const_iv (REP_HANDLE_DEAD)	1260	const_iv (REP_HANDLE_DEAD)
1092	const_iv (REP_HOLDELECTION)	1261	const_iv (REP_HOLDELECTION)
1093	const_iv (REP_IGNORE)
1094	const_iv (REP_ISPERM)	1262	const_iv (REP_ISPERM)
1095	const_iv (REP_JOIN_FAILURE)
1096	const_iv (REP_LOCKOUT)
1097	const_iv (REP_NEWMASTER)	1263	const_iv (REP_NEWMASTER)
1098	const_iv (REP_NEWSITE)	1264	const_iv (REP_NEWSITE)
1099	const_iv (REP_NOTPERM)	1265	const_iv (REP_NOTPERM)
1100	const_iv (REP_UNAVAIL)	1266	const_iv (REP_UNAVAIL)
1101	const_iv (RUNRECOVERY)	1267	const_iv (RUNRECOVERY)
1102	const_iv (SECONDARY_BAD)	1268	const_iv (SECONDARY_BAD)
1103	const_iv (VERIFY_BAD)	1269	const_iv (VERIFY_BAD)
1104	const_iv (VERSION_MISMATCH)
1105		1270
1106	const_iv (VERB_DEADLOCK)	1271	const_iv (VERB_DEADLOCK)
1107	const_iv (VERB_RECOVERY)	1272	const_iv (VERB_RECOVERY)
1108	const_iv (VERB_REGISTER)
1109	const_iv (VERB_REPLICATION)	1273	const_iv (VERB_REPLICATION)
1110	const_iv (VERB_WAITSFOR)	1274	const_iv (VERB_WAITSFOR)
1111		1275
1112	const_iv (VERSION_MAJOR)	1276	const_iv (VERSION_MAJOR)
1113	const_iv (VERSION_MINOR)	1277	const_iv (VERSION_MINOR)
1114	const_iv (VERSION_PATCH)	1278	const_iv (VERSION_PATCH)
		1279	#if DB_VERSION_MINOR >= 3
		1280	const_iv (INORDER)
		1281	const_iv (LOCK_MAXWRITE)
		1282	const_iv (SEQ_DEC)
		1283	const_iv (SEQ_INC)
		1284	const_iv (SEQ_WRAP)
		1285	const_iv (BUFFER_SMALL)
		1286	const_iv (LOG_BUFFER_FULL)
		1287	const_iv (VERSION_MISMATCH)
		1288	#endif
		1289	#if DB_VERSION_MINOR >= 4
		1290	const_iv (REGISTER)
		1291	const_iv (DSYNC_DB)
		1292	const_iv (READ_COMMITTED)
		1293	const_iv (READ_UNCOMMITTED)
		1294	const_iv (REP_IGNORE)
		1295	const_iv (REP_LOCKOUT)
		1296	const_iv (REP_JOIN_FAILURE)
		1297	const_iv (FREE_SPACE)
		1298	const_iv (FREELIST_ONLY)
		1299	const_iv (VERB_REGISTER)
		1300	#endif
1115	#if DB_VERSION_MINOR >= 5	1301	#if DB_VERSION_MINOR >= 5
1116	const_iv (MULTIVERSION)	1302	const_iv (MULTIVERSION)
1117	const_iv (TXN_SNAPSHOT)	1303	const_iv (TXN_SNAPSHOT)
1118	#endif	1304	#endif
1119	#if DB_VERSION_MINOR >= 6	1305	#if DB_VERSION_MINOR >= 6
1120	const_iv (PREV_DUP)	1306	const_iv (PREV_DUP)
1121	# if 0
1122	const_iv (PRIORITY_UNCHANGED)	1307	const_iv (PRIORITY_UNCHANGED)
1123	const_iv (PRIORITY_VERY_LOW)	1308	const_iv (PRIORITY_VERY_LOW)
1124	const_iv (PRIORITY_LOW)	1309	const_iv (PRIORITY_LOW)
1125	const_iv (PRIORITY_DEFAULT)	1310	const_iv (PRIORITY_DEFAULT)
1126	const_iv (PRIORITY_HIGH)	1311	const_iv (PRIORITY_HIGH)
1127	const_iv (PRIORITY_VERY_HIGH)	1312	const_iv (PRIORITY_VERY_HIGH)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 7
		1315	const_iv (LOG_DIRECT)
		1316	const_iv (LOG_DSYNC)
		1317	const_iv (LOG_AUTO_REMOVE)
		1318	const_iv (LOG_IN_MEMORY)
		1319	const_iv (LOG_ZERO)
		1320	#else
		1321	const_iv (DIRECT_LOG)
		1322	const_iv (LOG_AUTOREMOVE)
		1323	# if DB_VERSION_MINOR >= 3
		1324	const_iv (DSYNC_LOG)
		1325	const_iv (LOG_INMEMORY)
1128	# endif	1326	# endif
1129	#endif	1327	#endif
1130	};	1328	};
1131		1329
1132	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1330	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1133	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1331	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1134		1332
1135	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1333	{
		1334	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1335	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1336
		1337	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1338	}
		1339
1136	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1340	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1137		1341
1138	create_respipe ();	1342	create_respipe ();
1139		1343
1140	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1344	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1141	#ifdef _WIN32	1345	patch_errno ();
1142	X_MUTEX_CHECK (wrklock);
1143	X_MUTEX_CHECK (reslock);
1144	X_MUTEX_CHECK (reqlock);
1145
1146	X_COND_CHECK (reqwait);
1147	#endif
1148	}	1346	}
1149		1347
1150	void	1348	void
1151	max_poll_reqs (int nreqs)	1349	max_poll_reqs (int nreqs)
1152	PROTOTYPE: $	1350	PROTOTYPE: $
…		…
1292	CODE:	1490	CODE:
1293	RETVAL = db_strerror (errorno);	1491	RETVAL = db_strerror (errorno);
1294	OUTPUT:	1492	OUTPUT:
1295	RETVAL	1493	RETVAL
1296		1494
		1495	void _on_next_submit (SV *cb)
		1496	CODE:
		1497	SvREFCNT_dec (on_next_submit);
		1498	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1499
1297	DB_ENV *	1500	DB_ENV *
1298	db_env_create (U32 env_flags = 0)	1501	db_env_create (U32 env_flags = 0)
1299	CODE:	1502	CODE:
1300	{	1503	{
1301	errno = db_env_create (&RETVAL, env_flags);	1504	errno = db_env_create (&RETVAL, env_flags);
…		…
1310	}	1513	}
1311	OUTPUT:	1514	OUTPUT:
1312	RETVAL	1515	RETVAL
1313		1516
1314	void	1517	void
1315	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1518	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1519	PREINIT:
		1520	CALLBACK
1316	CODE:	1521	CODE:
1317	{	1522	{
1318	dREQ (REQ_ENV_OPEN);	1523	dREQ (REQ_ENV_OPEN, 1);
1319
1320	env->set_thread_count (env, wanted + 2);
1321
1322	req->env = env;	1524	req->env = env;
1323	req->uint1 = open_flags | DB_THREAD;	1525	req->uint1 = open_flags | DB_THREAD;
1324	req->int1 = mode;	1526	req->int1 = mode;
1325	req->buf1 = strdup_ornull (db_home);	1527	req->buf1 = strdup_ornull (db_home);
1326	REQ_SEND;	1528	REQ_SEND;
1327	}	1529	}
1328		1530
1329	void	1531	void
1330	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1532	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1533	PREINIT:
		1534	CALLBACK
1331	CODE:	1535	CODE:
1332	{	1536	{
1333	dREQ (REQ_ENV_CLOSE);	1537	dREQ (REQ_ENV_CLOSE, 1);
1334	req->env = env;	1538	req->env = env;
1335	req->uint1 = flags;	1539	req->uint1 = flags;
1336	REQ_SEND;	1540	REQ_SEND;
1337	ptr_nuke (ST (0));	1541	ptr_nuke (ST (0));
1338	}	1542	}
1339		1543
1340	void	1544	void
1341	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1545	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1546	PREINIT:
		1547	CALLBACK
1342	CODE:	1548	CODE:
1343	{	1549	{
1344	dREQ (REQ_ENV_TXN_CHECKPOINT);	1550	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1345	req->env = env;	1551	req->env = env;
1346	req->uint1 = kbyte;	1552	req->uint1 = kbyte;
1347	req->int1 = min;	1553	req->int1 = min;
1348	req->uint2 = flags;	1554	req->uint2 = flags;
1349	REQ_SEND;	1555	REQ_SEND;
1350	}	1556	}
1351		1557
1352	void	1558	void
1353	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1559	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1560	PREINIT:
		1561	CALLBACK
1354	CODE:	1562	CODE:
1355	{	1563	{
1356	dREQ (REQ_ENV_LOCK_DETECT);	1564	dREQ (REQ_ENV_LOCK_DETECT, 1);
1357	req->env = env;	1565	req->env = env;
1358	req->uint1 = flags;	1566	req->uint1 = flags;
1359	req->uint2 = atype;	1567	req->uint2 = atype;
		1568	/* req->int2 = 0; dummy */
1360	REQ_SEND;	1569	REQ_SEND;
1361	}	1570	}
1362		1571
1363	void	1572	void
1364	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1573	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1574	PREINIT:
		1575	CALLBACK
1365	CODE:	1576	CODE:
1366	{	1577	{
1367	dREQ (REQ_ENV_MEMP_SYNC);	1578	dREQ (REQ_ENV_MEMP_SYNC, 1);
1368	req->env = env;	1579	req->env = env;
1369	REQ_SEND;	1580	REQ_SEND;
1370	}	1581	}
1371		1582
1372	void	1583	void
1373	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1584	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1585	PREINIT:
		1586	CALLBACK
1374	CODE:	1587	CODE:
1375	{	1588	{
1376	dREQ (REQ_ENV_MEMP_TRICKLE);	1589	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1377	req->env = env;	1590	req->env = env;
1378	req->int1 = percent;	1591	req->int1 = percent;
1379	REQ_SEND;	1592	REQ_SEND;
1380	}	1593	}
1381		1594
		1595	void
		1596	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1597	PREINIT:
		1598	CALLBACK
		1599	CODE:
		1600	{
		1601	dREQ (REQ_ENV_DBREMOVE, 2);
		1602	req->env = env;
		1603	req->buf1 = strdup_ornull (file);
		1604	req->buf2 = strdup_ornull (database);
		1605	req->uint1 = flags;
		1606	REQ_SEND;
		1607	}
		1608
		1609	void
		1610	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1611	PREINIT:
		1612	CALLBACK
		1613	CODE:
		1614	{
		1615	dREQ (REQ_ENV_DBRENAME, 2);
		1616	req->env = env;
		1617	req->buf1 = strdup_ornull (file);
		1618	req->buf2 = strdup_ornull (database);
		1619	req->buf3 = strdup_ornull (newname);
		1620	req->uint1 = flags;
		1621	REQ_SEND;
		1622	}
1382		1623
1383	DB *	1624	DB *
1384	db_create (DB_ENV *env = 0, U32 flags = 0)	1625	db_create (DB_ENV *env = 0, U32 flags = 0)
1385	CODE:	1626	CODE:
1386	{	1627	{
…		…
1393	}	1634	}
1394	OUTPUT:	1635	OUTPUT:
1395	RETVAL	1636	RETVAL
1396		1637
1397	void	1638	void
1398	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1639	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1640	PREINIT:
		1641	CALLBACK
1399	CODE:	1642	CODE:
1400	{	1643	{
1401	dREQ (REQ_DB_OPEN);	1644	dREQ (REQ_DB_OPEN, 2);
1402	req->db = db;	1645	req->db = db;
1403	req->txn = txnid;	1646	req->txn = txnid;
1404	req->buf1 = strdup_ornull (file);	1647	req->buf1 = strdup_ornull (file);
1405	req->buf2 = strdup_ornull (database);	1648	req->buf2 = strdup_ornull (database);
1406	req->int1 = type;	1649	req->int1 = type;
…		…
1408	req->int2 = mode;	1651	req->int2 = mode;
1409	REQ_SEND;	1652	REQ_SEND;
1410	}	1653	}
1411		1654
1412	void	1655	void
1413	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1656	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
1414	CODE:	1659	CODE:
1415	{	1660	{
1416	dREQ (REQ_DB_CLOSE);	1661	dREQ (REQ_DB_CLOSE, 1);
1417	req->db = db;	1662	req->db = db;
1418	req->uint1 = flags;	1663	req->uint1 = flags;
1419	req->sv1 = (SV *)db->app_private;	1664	req->sv1 = (SV *)db->app_private;
1420	REQ_SEND;	1665	REQ_SEND;
1421	ptr_nuke (ST (0));	1666	ptr_nuke (ST (0));
1422	}	1667	}
1423		1668
		1669	#if DB_VERSION_MINOR >= 4
		1670
1424	void	1671	void
1425	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1672	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
		1673	PREINIT:
		1674	CALLBACK
1426	CODE:	1675	CODE:
1427	{	1676	{
1428	dREQ (REQ_DB_COMPACT);	1677	dREQ (REQ_DB_COMPACT, 2);
1429	req->db = db;	1678	req->db = db;
1430	req->txn = txn;	1679	req->txn = txn;
1431	sv_to_dbt (&req->dbt1, start);	1680	sv_to_dbt (&req->dbt1, start);
1432	sv_to_dbt (&req->dbt2, stop);	1681	sv_to_dbt (&req->dbt2, stop);
1433	req->uint1 = flags;	1682	req->uint1 = flags;
1434	REQ_SEND;	1683	REQ_SEND;
1435	}	1684	}
1436		1685
		1686	#endif
		1687
1437	void	1688	void
1438	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1689	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1690	PREINIT:
		1691	CALLBACK
1439	CODE:	1692	CODE:
1440	{	1693	{
1441	dREQ (REQ_DB_SYNC);	1694	dREQ (REQ_DB_SYNC, 1);
1442	req->db = db;	1695	req->db = db;
1443	req->uint1 = flags;	1696	req->uint1 = flags;
1444	REQ_SEND;	1697	REQ_SEND;
1445	}	1698	}
1446		1699
1447	void	1700	void
		1701	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1702	PREINIT:
		1703	CALLBACK
		1704	CODE:
		1705	{
		1706	dREQ (REQ_DB_SYNC, 1);
		1707	req->db = db;
		1708	req->buf1 = strdup (file);
		1709	req->uint1 = flags;
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
1448	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1714	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1715	PREINIT:
		1716	CALLBACK
1449	CODE:	1717	CODE:
1450	{	1718	{
1451	dREQ (REQ_DB_KEY_RANGE);	1719	dREQ (REQ_DB_KEY_RANGE, 2);
1452	req->db = db;	1720	req->db = db;
1453	req->txn = txn;	1721	req->txn = txn;
1454	sv_to_dbt (&req->dbt1, key);	1722	sv_to_dbt (&req->dbt1, key);
1455	req->uint1 = flags;	1723	req->uint1 = flags;
1456	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1724	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1457	REQ_SEND;	1725	REQ_SEND;
1458	}	1726	}
1459		1727
1460	void	1728	void
1461	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1729	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1730	PREINIT:
		1731	CALLBACK
1462	CODE:	1732	CODE:
1463	{	1733	{
1464	dREQ (REQ_DB_PUT);	1734	dREQ (REQ_DB_PUT, 2);
1465	req->db = db;	1735	req->db = db;
1466	req->txn = txn;	1736	req->txn = txn;
1467	sv_to_dbt (&req->dbt1, key);	1737	sv_to_dbt (&req->dbt1, key);
1468	sv_to_dbt (&req->dbt2, data);	1738	sv_to_dbt (&req->dbt2, data);
1469	req->uint1 = flags;	1739	req->uint1 = flags;
1470	REQ_SEND;	1740	REQ_SEND;
1471	}	1741	}
1472		1742
		1743	#if DB_VERSION_MINOR >= 6
		1744
1473	void	1745	void
		1746	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
		1749	CODE:
		1750	{
		1751	dREQ (REQ_DB_EXISTS, 2);
		1752	req->db = db;
		1753	req->txn = txn;
		1754	req->uint1 = flags;
		1755	sv_to_dbt (&req->dbt1, key);
		1756	REQ_SEND;
		1757	}
		1758
		1759	#endif
		1760
		1761	void
1474	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1762	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1763	PREINIT:
		1764	CALLBACK
1475	CODE:	1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_get");
1476	{	1768	{
1477	dREQ (REQ_DB_GET);	1769	dREQ (REQ_DB_GET, 2);
1478	req->db = db;	1770	req->db = db;
1479	req->txn = txn;	1771	req->txn = txn;
1480	req->uint1 = flags;	1772	req->uint1 = flags;
1481	sv_to_dbt (&req->dbt1, key);	1773	sv_to_dbt (&req->dbt1, key);
1482	req->dbt3.flags = DB_DBT_MALLOC;	1774	req->dbt3.flags = DB_DBT_MALLOC;
1483	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1775	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1484	REQ_SEND;	1776	REQ_SEND;
1485	}	1777	}
1486		1778
1487	void	1779	void
1488	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1489	CODE:	1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_pget");
1490	{	1786	{
1491	dREQ (REQ_DB_PGET);	1787	dREQ (REQ_DB_PGET, 2);
1492	req->db = db;	1788	req->db = db;
1493	req->txn = txn;	1789	req->txn = txn;
1494	req->uint1 = flags;	1790	req->uint1 = flags;
1495	sv_to_dbt (&req->dbt1, key);	1791	sv_to_dbt (&req->dbt1, key);
1496	sv_to_dbt (&req->dbt2, pkey);	1792	sv_to_dbt (&req->dbt2, pkey);
…		…
1498	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1794	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1499	REQ_SEND;	1795	REQ_SEND;
1500	}	1796	}
1501		1797
1502	void	1798	void
1503	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1799	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1800	PREINIT:
		1801	CALLBACK
1504	CODE:	1802	CODE:
1505	{	1803	{
1506	dREQ (REQ_DB_DEL);	1804	dREQ (REQ_DB_DEL, 2);
1507	req->db = db;	1805	req->db = db;
1508	req->txn = txn;	1806	req->txn = txn;
1509	req->uint1 = flags;	1807	req->uint1 = flags;
1510	sv_to_dbt (&req->dbt1, key);	1808	sv_to_dbt (&req->dbt1, key);
1511	REQ_SEND;	1809	REQ_SEND;
1512	}	1810	}
1513		1811
1514	void	1812	void
1515	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1813	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1814	PREINIT:
		1815	CALLBACK
1516	CODE:	1816	CODE:
1517	{	1817	{
1518	dREQ (REQ_TXN_COMMIT);	1818	dREQ (REQ_TXN_COMMIT, 1);
1519	req->txn = txn;	1819	req->txn = txn;
1520	req->uint1 = flags;	1820	req->uint1 = flags;
1521	REQ_SEND;	1821	REQ_SEND;
1522	ptr_nuke (ST (0));	1822	ptr_nuke (ST (0));
1523	}	1823	}
1524		1824
1525	void	1825	void
1526	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1826	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1827	PREINIT:
		1828	CALLBACK
1527	CODE:	1829	CODE:
1528	{	1830	{
1529	dREQ (REQ_TXN_ABORT);	1831	dREQ (REQ_TXN_ABORT, 1);
1530	req->txn = txn;	1832	req->txn = txn;
1531	REQ_SEND;	1833	REQ_SEND;
1532	ptr_nuke (ST (0));	1834	ptr_nuke (ST (0));
1533	}	1835	}
1534		1836
1535	void	1837	void
1536	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1838	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1839	PREINIT:
		1840	CALLBACK
1537	CODE:	1841	CODE:
1538	{	1842	{
1539	dREQ (REQ_TXN_FINISH);	1843	dREQ (REQ_TXN_FINISH, 1);
1540	req->txn = txn;	1844	req->txn = txn;
1541	req->uint1 = flags;	1845	req->uint1 = flags;
1542	REQ_SEND;	1846	REQ_SEND;
1543	ptr_nuke (ST (0));	1847	ptr_nuke (ST (0));
1544	}	1848	}
1545		1849
1546	void	1850	void
1547	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1851	db_c_close (DBC *dbc, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
1548	CODE:	1854	CODE:
1549	{	1855	{
1550	dREQ (REQ_C_CLOSE);	1856	dREQ (REQ_C_CLOSE, 1);
1551	req->dbc = dbc;	1857	req->dbc = dbc;
1552	REQ_SEND;	1858	REQ_SEND;
1553	ptr_nuke (ST (0));	1859	ptr_nuke (ST (0));
1554	}	1860	}
1555		1861
1556	void	1862	void
1557	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1863	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1864	PREINIT:
		1865	CALLBACK
1558	CODE:	1866	CODE:
1559	{	1867	{
1560	dREQ (REQ_C_COUNT);	1868	dREQ (REQ_C_COUNT, 1);
1561	req->dbc = dbc;	1869	req->dbc = dbc;
1562	req->sv1 = SvREFCNT_inc (count);	1870	req->sv1 = SvREFCNT_inc (count);
1563	REQ_SEND;	1871	REQ_SEND;
1564	}	1872	}
1565		1873
1566	void	1874	void
1567	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1875	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1876	PREINIT:
		1877	CALLBACK
1568	CODE:	1878	CODE:
1569	{	1879	{
1570	dREQ (REQ_C_PUT);	1880	dREQ (REQ_C_PUT, 1);
1571	req->dbc = dbc;	1881	req->dbc = dbc;
1572	sv_to_dbt (&req->dbt1, key);	1882	sv_to_dbt (&req->dbt1, key);
1573	sv_to_dbt (&req->dbt2, data);	1883	sv_to_dbt (&req->dbt2, data);
1574	req->uint1 = flags;	1884	req->uint1 = flags;
1575	REQ_SEND;	1885	REQ_SEND;
1576	}	1886	}
1577		1887
1578	void	1888	void
1579	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1889	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1890	PREINIT:
		1891	CALLBACK
1580	CODE:	1892	CODE:
1581	{	1893	{
1582	dREQ (REQ_C_GET);	1894	dREQ (REQ_C_GET, 1);
1583	req->dbc = dbc;	1895	req->dbc = dbc;
1584	req->uint1 = flags;	1896	req->uint1 = flags;
1585	if ((flags & DB_SET) == DB_SET	1897	if ((flags & DB_SET) == DB_SET
1586	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1898	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1587	sv_to_dbt (&req->dbt1, key);	1899	sv_to_dbt (&req->dbt1, key);
…		…
1599	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1911	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1600	REQ_SEND;	1912	REQ_SEND;
1601	}	1913	}
1602		1914
1603	void	1915	void
1604	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1916	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1917	PREINIT:
		1918	CALLBACK
1605	CODE:	1919	CODE:
1606	{	1920	{
1607	dREQ (REQ_C_PGET);	1921	dREQ (REQ_C_PGET, 1);
1608	req->dbc = dbc;	1922	req->dbc = dbc;
1609	req->uint1 = flags;	1923	req->uint1 = flags;
1610	if ((flags & DB_SET) == DB_SET	1924	if ((flags & DB_SET) == DB_SET
1611	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1925	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1612	sv_to_dbt (&req->dbt1, key);	1926	sv_to_dbt (&req->dbt1, key);
…		…
1627	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1628	REQ_SEND;	1942	REQ_SEND;
1629	}	1943	}
1630		1944
1631	void	1945	void
1632	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1946	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1947	PREINIT:
		1948	CALLBACK
1633	CODE:	1949	CODE:
1634	{	1950	{
1635	dREQ (REQ_C_DEL);	1951	dREQ (REQ_C_DEL, 1);
1636	req->dbc = dbc;	1952	req->dbc = dbc;
1637	req->uint1 = flags;	1953	req->uint1 = flags;
1638	REQ_SEND;	1954	REQ_SEND;
1639	}	1955	}
1640		1956
1641		1957
		1958	#if DB_VERSION_MINOR >= 3
		1959
1642	void	1960	void
1643	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1961	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1962	PREINIT:
		1963	CALLBACK
1644	CODE:	1964	CODE:
1645	{	1965	{
1646	dREQ (REQ_SEQ_OPEN);	1966	dREQ (REQ_SEQ_OPEN, 2);
1647	req->seq = seq;	1967	req->seq = seq;
1648	req->txn = txnid;	1968	req->txn = txnid;
1649	req->uint1 = flags | DB_THREAD;	1969	req->uint1 = flags | DB_THREAD;
1650	sv_to_dbt (&req->dbt1, key);	1970	sv_to_dbt (&req->dbt1, key);
1651	REQ_SEND;	1971	REQ_SEND;
1652	}	1972	}
1653		1973
1654	void	1974	void
1655	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1975	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1976	PREINIT:
		1977	CALLBACK
1656	CODE:	1978	CODE:
1657	{	1979	{
1658	dREQ (REQ_SEQ_CLOSE);	1980	dREQ (REQ_SEQ_CLOSE, 1);
1659	req->seq = seq;	1981	req->seq = seq;
1660	req->uint1 = flags;	1982	req->uint1 = flags;
1661	REQ_SEND;	1983	REQ_SEND;
1662	ptr_nuke (ST (0));	1984	ptr_nuke (ST (0));
1663	}	1985	}
1664		1986
1665	void	1987	void
1666	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1988	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1989	PREINIT:
		1990	CALLBACK
1667	CODE:	1991	CODE:
1668	{	1992	{
1669	dREQ (REQ_SEQ_GET);	1993	dREQ (REQ_SEQ_GET, 2);
1670	req->seq = seq;	1994	req->seq = seq;
1671	req->txn = txnid;	1995	req->txn = txnid;
1672	req->int1 = delta;	1996	req->int1 = delta;
1673	req->uint1 = flags;	1997	req->uint1 = flags;
1674	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1998	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1675	REQ_SEND;	1999	REQ_SEND;
1676	}	2000	}
1677		2001
1678	void	2002	void
1679	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2003	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2004	PREINIT:
		2005	CALLBACK
1680	CODE:	2006	CODE:
1681	{	2007	{
1682	dREQ (REQ_SEQ_REMOVE);	2008	dREQ (REQ_SEQ_REMOVE, 2);
1683	req->seq = seq;	2009	req->seq = seq;
1684	req->txn = txnid;	2010	req->txn = txnid;
1685	req->uint1 = flags;	2011	req->uint1 = flags;
1686	REQ_SEND;	2012	REQ_SEND;
1687	}	2013	}
1688		2014
		2015	#endif
		2016
1689		2017
1690	MODULE = BDB PACKAGE = BDB::Env	2018	MODULE = BDB PACKAGE = BDB::Env
1691		2019
1692	void	2020	void
1693	DESTROY (DB_ENV_ornull *env)	2021	DESTROY (DB_ENV_ornuked *env)
1694	CODE:	2022	CODE:
1695	if (env)	2023	if (env)
1696	env->close (env, 0);	2024	env->close (env, 0);
1697		2025
1698	int set_data_dir (DB_ENV *env, const char *dir)	2026	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1723	CODE:	2051	CODE:
1724	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2052	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1725	OUTPUT:	2053	OUTPUT:
1726	RETVAL	2054	RETVAL
1727		2055
1728	int set_flags (DB_ENV *env, U32 flags, int onoff)	2056	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1729	CODE:	2057	CODE:
1730	RETVAL = env->set_flags (env, flags, onoff);	2058	RETVAL = env->set_flags (env, flags, onoff);
1731	OUTPUT:	2059	OUTPUT:
1732	RETVAL	2060	RETVAL
1733		2061
		2062	#if DB_VERSION_MINOR >= 7
		2063
		2064	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2065	CODE:
		2066	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2067	OUTPUT:
		2068	RETVAL
		2069
		2070	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2071	CODE:
		2072	RETVAL = env->log_set_config (env, flags, onoff);
		2073	OUTPUT:
		2074	RETVAL
		2075
		2076	#endif
		2077
		2078
1734	void set_errfile (DB_ENV *env, FILE *errfile = 0)	2079	void set_errfile (DB_ENV *env, FILE *errfile = 0)
1735	CODE:	2080	CODE:
1736	env->set_errfile (env, errfile);	2081	env->set_errfile (env, errfile);
1737		2082
1738	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)	2083	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1739	CODE:	2084	CODE:
1740	env->set_msgfile (env, msgfile);	2085	env->set_msgfile (env, msgfile);
1741		2086
1742	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2087	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1743	CODE:	2088	CODE:
1744	RETVAL = env->set_verbose (env, which, onoff);	2089	RETVAL = env->set_verbose (env, which, onoff);
1745	OUTPUT:	2090	OUTPUT:
1746	RETVAL	2091	RETVAL
1747		2092
…		…
1808	int set_lg_max (DB_ENV *env, U32 max)	2153	int set_lg_max (DB_ENV *env, U32 max)
1809	CODE:	2154	CODE:
1810	RETVAL = env->set_lg_max (env, max);	2155	RETVAL = env->set_lg_max (env, max);
1811	OUTPUT:	2156	OUTPUT:
1812	RETVAL	2157	RETVAL
		2158
		2159	#if DB_VERSION_MINOR >= 4
		2160
		2161	int mutex_set_max (DB_ENV *env, U32 max)
		2162	CODE:
		2163	RETVAL = env->mutex_set_max (env, max);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	int mutex_set_increment (DB_ENV *env, U32 increment)
		2168	CODE:
		2169	RETVAL = env->mutex_set_increment (env, increment);
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2174	CODE:
		2175	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2176	OUTPUT:
		2177	RETVAL
		2178
		2179	int mutex_set_align (DB_ENV *env, U32 align)
		2180	CODE:
		2181	RETVAL = env->mutex_set_align (env, align);
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
1813		2186
1814	DB_TXN *	2187	DB_TXN *
1815	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2188	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1816	CODE:	2189	CODE:
1817	errno = env->txn_begin (env, parent, &RETVAL, flags);	2190	errno = env->txn_begin (env, parent, &RETVAL, flags);
1818	if (errno)	2191	if (errno)
1819	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2192	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1820	OUTPUT:	2193	OUTPUT:
1821	RETVAL	2194	RETVAL
1822		2195
		2196	#if DB_VERSION_MINOR >= 5
		2197
		2198	DB_TXN *
		2199	cdsgroup_begin (DB_ENV *env)
		2200	CODE:
		2201	errno = env->cdsgroup_begin (env, &RETVAL);
		2202	if (errno)
		2203	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2204	OUTPUT:
		2205	RETVAL
		2206
		2207	#endif
		2208
1823	MODULE = BDB PACKAGE = BDB::Db	2209	MODULE = BDB PACKAGE = BDB::Db
1824		2210
1825	void	2211	void
1826	DESTROY (DB_ornull *db)	2212	DESTROY (DB_ornuked *db)
1827	CODE:	2213	CODE:
1828	if (db)	2214	if (db)
1829	{	2215	{
1830	SV *env = (SV *)db->app_private;	2216	SV *env = (SV *)db->app_private;
1831	db->close (db, 0);	2217	db->close (db, 0);
…		…
1911	if (errno)	2297	if (errno)
1912	croak ("DB->cursor: %s", db_strerror (errno));	2298	croak ("DB->cursor: %s", db_strerror (errno));
1913	OUTPUT:	2299	OUTPUT:
1914	RETVAL	2300	RETVAL
1915		2301
		2302	#if DB_VERSION_MINOR >= 3
		2303
1916	DB_SEQUENCE *	2304	DB_SEQUENCE *
1917	sequence (DB *db, U32 flags = 0)	2305	sequence (DB *db, U32 flags = 0)
1918	CODE:	2306	CODE:
1919	{	2307	{
1920	errno = db_sequence_create (&RETVAL, db, flags);	2308	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1922	croak ("db_sequence_create: %s", db_strerror (errno));	2310	croak ("db_sequence_create: %s", db_strerror (errno));
1923	}	2311	}
1924	OUTPUT:	2312	OUTPUT:
1925	RETVAL	2313	RETVAL
1926		2314
		2315	#endif
		2316
1927		2317
1928	MODULE = BDB PACKAGE = BDB::Txn	2318	MODULE = BDB PACKAGE = BDB::Txn
1929		2319
1930	void	2320	void
1931	DESTROY (DB_TXN_ornull *txn)	2321	DESTROY (DB_TXN_ornuked *txn)
1932	CODE:	2322	CODE:
1933	if (txn)	2323	if (txn)
1934	txn->abort (txn);	2324	txn->abort (txn);
1935		2325
1936	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)	2326	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
…		…
1947		2337
1948		2338
1949	MODULE = BDB PACKAGE = BDB::Cursor	2339	MODULE = BDB PACKAGE = BDB::Cursor
1950		2340
1951	void	2341	void
1952	DESTROY (DBC_ornull *dbc)	2342	DESTROY (DBC_ornuked *dbc)
1953	CODE:	2343	CODE:
1954	if (dbc)	2344	if (dbc)
1955	dbc->c_close (dbc);	2345	dbc->c_close (dbc);
1956		2346
		2347	#if DB_VERSION_MINOR >= 6
		2348
		2349	int set_priority (DBC *dbc, int priority)
		2350	CODE:
		2351	dbc->set_priority (dbc, priority);
		2352
		2353	#endif
		2354
		2355	#if DB_VERSION_MINOR >= 3
		2356
1957	MODULE = BDB PACKAGE = BDB::Sequence	2357	MODULE = BDB PACKAGE = BDB::Sequence
1958		2358
1959	void	2359	void
1960	DESTROY (DB_SEQUENCE_ornull *seq)	2360	DESTROY (DB_SEQUENCE_ornuked *seq)
1961	CODE:	2361	CODE:
1962	if (seq)	2362	if (seq)
1963	seq->close (seq, 0);	2363	seq->close (seq, 0);
1964		2364
1965	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2365	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1984	CODE:	2384	CODE:
1985	RETVAL = seq->set_range (seq, min, max);	2385	RETVAL = seq->set_range (seq, min, max);
1986	OUTPUT:	2386	OUTPUT:
1987	RETVAL	2387	RETVAL
1988		2388
		2389	#endif
		2390
		2391

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