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Comparing BDB/BDB.xs (file contents):
Revision 1.25 by root, Mon Dec 10 04:45:54 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
…		…
346	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
347	SvREFCNT_dec (req->sv1);	398	SvREFCNT_dec (req->sv1);
348	}	399	}
349	break;	400	break;
350		401
		402	#if DB_VERSION_MINOR >= 3
351	case REQ_SEQ_GET:	403	case REQ_SEQ_GET:
352	SvREADONLY_off (req->sv1);	404	SvREADONLY_off (req->sv1);
353		405
354	if (sizeof (IV) > 4)	406	if (sizeof (IV) > 4)
355	sv_setiv_mg (req->sv1, (IV)req->seq_t);	407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
356	else	408	else
357	sv_setnv_mg (req->sv1, (NV)req->seq_t);	409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
358		410
359	SvREFCNT_dec (req->sv1);	411	SvREFCNT_dec (req->sv1);
360	break;	412	break;
		413	#endif
361	}	414	}
362		415
363	errno = req->result;	416	errno = req->result;
364		417
365	PUTBACK;	418	PUTBACK;
…		…
371	}	424	}
372		425
373	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
374	}	427	}
375		428
376	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
377	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
378	free (req->buf1);	436	free (req->buf1);
379	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
380	Safefree (req);	440	Safefree (req);
381	}	441	}
382		442
383	#ifdef USE_SOCKETS_AS_HANDLES	443	#ifdef USE_SOCKETS_AS_HANDLES
384	# define TO_SOCKET(x) (win32_get_osfhandle (x))	444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
385	#else	445	#else
386	# define TO_SOCKET(x) (x)	446	# define TO_SOCKET(x) (x)
387	#endif	447	#endif
388		448
389	static void	449	static void
390	create_respipe ()	450	create_respipe (void)
391	{	451	{
392	#ifdef _WIN32	452	#ifdef _WIN32
393	int arg; /* argg */	453	int arg; /* argg */
394	#endif	454	#endif
395	int old_readfd = respipe [0];	455	int old_readfd = respipe [0];
…		…
449	free (wrk);	509	free (wrk);
450		510
451	X_UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
452	}	512	}
453		513
454	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
455	{	515	{
456	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
457	return;	517	return;
458		518
459	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
461	return;	521	return;
462		522
463	start_thread ();	523	start_thread ();
464	}	524	}
465		525
466	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
467	{	527	{
468	SV *wait_callback = 0;	528	SV *wait_callback = 0;
469		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
470	// synthesize callback if none given	543	// synthesize callback if none given
471	if (!SvOK (req->callback))	544	if (!req->callback)
472	{	545	{
473	int count;	546	int count;
474		547
475	dSP;	548	dSP;
476	PUSHMARK (SP);	549	PUSHMARK (SP);
…		…
479	SPAGAIN;	552	SPAGAIN;
480		553
481	if (count != 2)	554	if (count != 2)
482	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
483		556
484	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
485	SvREFCNT_dec (req->callback);
486	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
487	}	559	}
488		560
489	++nreqs;	561	++nreqs;
490		562
…		…
500	{	572	{
501	dSP;	573	dSP;
502	PUSHMARK (SP);	574	PUSHMARK (SP);
503	PUTBACK;	575	PUTBACK;
504	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
505	SvREFCNT_dec (wait_callback);
506	}	577	}
507	}	578	}
508		579
509	static void end_thread (void)	580	static void end_thread (void)
510	{	581	{
511	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
512
513	Newz (0, req, 1, aio_cb);
514		583
515	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
516	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
517		586
518	X_LOCK (reqlock);	587	X_LOCK (reqlock);
…		…
545		614
546	while (started > wanted)	615	while (started > wanted)
547	end_thread ();	616	end_thread ();
548	}	617	}
549		618
550	static void poll_wait ()	619	static void poll_wait (void)
551	{	620	{
552	fd_set rfd;	621	fd_set rfd;
553		622
554	while (nreqs)	623	while (nreqs)
555	{	624	{
…		…
568		637
569	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	638	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
570	}	639	}
571	}	640	}
572		641
573	static int poll_cb ()	642	static int poll_cb (void)
574	{	643	{
575	dSP;	644	dSP;
576	int count = 0;	645	int count = 0;
577	int maxreqs = max_poll_reqs;	646	int maxreqs = max_poll_reqs;
578	int do_croak = 0;	647	int do_croak = 0;
579	struct timeval tv_start, tv_now;	648	struct timeval tv_start, tv_now;
580	aio_req req;	649	bdb_req req;
581		650
582	if (max_poll_time)	651	if (max_poll_time)
583	gettimeofday (&tv_start, 0);	652	gettimeofday (&tv_start, 0);
584		653
585	for (;;)	654	for (;;)
…		…
644	return count;	713	return count;
645	}	714	}
646		715
647	/*****************************************************************************/	716	/*****************************************************************************/
648		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
649	X_THREAD_PROC (bdb_proc)	876	X_THREAD_PROC (bdb_proc)
650	{	877	{
651	aio_req req;	878	bdb_req req;
652	struct timespec ts;	879	struct timespec ts;
653	worker *self = (worker *)thr_arg;	880	worker *self = (worker *)thr_arg;
654		881
655	/* try to distribute timeouts somewhat evenly */	882	/* try to distribute timeouts somewhat evenly */
656	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	883	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
…		…
692	}	919	}
693		920
694	--nready;	921	--nready;
695		922
696	X_UNLOCK (reqlock);	923	X_UNLOCK (reqlock);
697		924
698	switch (req->type)	925	if (req->type == REQ_QUIT)
699	{	926	{
700	case REQ_QUIT:	927	X_LOCK (reslock);
701	req->result = ENOSYS;	928	free (req);
		929	self->req = 0;
		930	X_UNLOCK (reslock);
		931
702	goto quit;	932	goto quit;
703
704	case REQ_ENV_OPEN:
705	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
706	break;
707
708	case REQ_ENV_CLOSE:
709	req->result = req->env->close (req->env, req->uint1);
710	break;
711
712	case REQ_ENV_TXN_CHECKPOINT:
713	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
714	break;
715
716	case REQ_ENV_LOCK_DETECT:
717	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
718	break;
719
720	case REQ_ENV_MEMP_SYNC:
721	req->result = req->env->memp_sync (req->env, 0);
722	break;
723
724	case REQ_ENV_MEMP_TRICKLE:
725	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
726	break;
727
728	case REQ_DB_OPEN:
729	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
730	break;
731
732	case REQ_DB_CLOSE:
733	req->result = req->db->close (req->db, req->uint1);
734	break;
735
736	case REQ_DB_COMPACT:
737	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
738	break;
739
740	case REQ_DB_SYNC:
741	req->result = req->db->sync (req->db, req->uint1);
742	break;
743
744	case REQ_DB_PUT:
745	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
746	break;
747
748	case REQ_DB_GET:
749	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
750	break;
751
752	case REQ_DB_PGET:
753	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
754	break;
755
756	case REQ_DB_DEL:
757	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
758	break;
759
760	case REQ_DB_KEY_RANGE:
761	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
762	break;
763
764	case REQ_TXN_COMMIT:
765	req->result = req->txn->commit (req->txn, req->uint1);
766	break;
767
768	case REQ_TXN_ABORT:
769	req->result = req->txn->abort (req->txn);
770	break;
771
772	case REQ_TXN_FINISH:
773	if (req->txn->flags & TXN_DEADLOCK)
774	{
775	req->result = req->txn->abort (req->txn);
776	if (!req->result)
777	req->result = DB_LOCK_DEADLOCK;
778	}
779	else
780	req->result = req->txn->commit (req->txn, req->uint1);
781	break;
782
783	case REQ_C_CLOSE:
784	req->result = req->dbc->c_close (req->dbc);
785	break;
786
787	case REQ_C_COUNT:
788	{
789	db_recno_t recno;
790	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
791	req->uv1 = recno;
792	}
793	break;
794
795	case REQ_C_PUT:
796	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
797	break;
798
799	case REQ_C_GET:
800	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
801	break;
802
803	case REQ_C_PGET:
804	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
805	break;
806
807	case REQ_C_DEL:
808	req->result = req->dbc->c_del (req->dbc, req->uint1);
809	break;
810
811	case REQ_SEQ_OPEN:
812	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
813	break;
814
815	case REQ_SEQ_CLOSE:
816	req->result = req->seq->close (req->seq, req->uint1);
817	break;
818
819	case REQ_SEQ_GET:
820	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
821	break;
822
823	case REQ_SEQ_REMOVE:
824	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
825	break;
826
827	default:
828	req->result = ENOSYS;
829	break;
830	}	933	}
831		934
832	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))	935	bdb_request (req);
833	req->txn->flags |= TXN_DEADLOCK;
834		936
835	X_LOCK (reslock);	937	X_LOCK (reslock);
836		938
837	++npending;	939	++npending;
838		940
…		…
870	X_UNLOCK (wrklock);	972	X_UNLOCK (wrklock);
871	}	973	}
872		974
873	static void atfork_child (void)	975	static void atfork_child (void)
874	{	976	{
875	aio_req prv;	977	bdb_req prv;
876		978
877	while (prv = reqq_shift (&req_queue))	979	while (prv = reqq_shift (&req_queue))
878	req_free (prv);	980	req_free (prv);
879		981
880	while (prv = reqq_shift (&res_queue))	982	while (prv = reqq_shift (&res_queue))
…		…
900	create_respipe ();	1002	create_respipe ();
901		1003
902	atfork_parent ();	1004	atfork_parent ();
903	}	1005	}
904		1006
905	#define dREQ(reqtype) \	1007	#define dREQ(reqtype,rsvcnt) \
906	aio_req req; \	1008	bdb_req req; \
907	int req_pri = next_pri; \	1009	int req_pri = next_pri; \
908	next_pri = DEFAULT_PRI + PRI_BIAS; \	1010	next_pri = DEFAULT_PRI + PRI_BIAS; \
909	\	1011	\
910	if (SvOK (callback) && !SvROK (callback)) \	1012	if (callback && SvOK (callback)) \
911	croak ("callback must be undef or of reference type"); \	1013	croak ("callback has illegal type or extra arguments"); \
912	\	1014	\
913	Newz (0, req, 1, aio_cb); \	1015	Newz (0, req, 1, bdb_cb); \
914	if (!req) \	1016	if (!req) \
915	croak ("out of memory during aio_req allocation"); \	1017	croak ("out of memory during bdb_req allocation"); \
916	\	1018	\
917	req->callback = newSVsv (callback); \	1019	req->callback = SvREFCNT_inc (cb); \
918	req->type = (reqtype); \	1020	req->type = (reqtype); \
919	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;
920		1025
921	#define REQ_SEND \	1026	#define REQ_SEND \
922	req_send (req)	1027	req_send (req)
923		1028
924	#define SvPTR(var, arg, type, class, nullok) \	1029	#define SvPTR(var, arg, type, class, nullok) \
925	if (!SvOK (arg)) \	1030	if (!SvOK (arg)) \
926	{ \	1031	{ \
927	if (!nullok) \	1032	if (nullok != 1) \
928	croak (# var " must be a " # class " object, not undef"); \	1033	croak (# var " must be a " # class " object, not undef"); \
929	\	1034	\
930	(var) = 0; \	1035	(var) = 0; \
931	} \	1036	} \
932	else if (sv_derived_from ((arg), # class)) \	1037	else if (sv_derived_from ((arg), # class)) \
933	{ \	1038	{ \
934	IV tmp = SvIV ((SV*) SvRV (arg)); \	1039	IV tmp = SvIV ((SV*) SvRV (arg)); \
935	(var) = INT2PTR (type, tmp); \	1040	(var) = INT2PTR (type, tmp); \
936	if (!var) \	1041	if (!var && nullok != 2) \
937	croak (# var " is not a valid " # class " object anymore"); \	1042	croak (# var " is not a valid " # class " object anymore"); \
938	} \	1043	} \
939	else \	1044	else \
940	croak (# var " is not of type " # class); \	1045	croak (# var " is not of type " # class);
941	\
942		1046
943	static void	1047	static void
944	ptr_nuke (SV *sv)	1048	ptr_nuke (SV *sv)
945	{	1049	{
946	assert (SvROK (sv));	1050	assert (SvROK (sv));
947	sv_setiv (SvRV (sv), 0);	1051	sv_setiv (SvRV (sv), 0);
948	}	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));
949		1129
950	MODULE = BDB PACKAGE = BDB	1130	MODULE = BDB PACKAGE = BDB
951		1131
952	PROTOTYPES: ENABLE	1132	PROTOTYPES: ENABLE
953		1133
…		…
974	const_iv (RDONLY)	1154	const_iv (RDONLY)
975	const_iv (USE_ENVIRON)	1155	const_iv (USE_ENVIRON)
976	const_iv (USE_ENVIRON_ROOT)	1156	const_iv (USE_ENVIRON_ROOT)
977	const_iv (LOCKDOWN)	1157	const_iv (LOCKDOWN)
978	const_iv (PRIVATE)	1158	const_iv (PRIVATE)
979	const_iv (REGISTER)
980	const_iv (SYSTEM_MEM)	1159	const_iv (SYSTEM_MEM)
981	const_iv (AUTO_COMMIT)	1160	const_iv (AUTO_COMMIT)
982	const_iv (CDB_ALLDB)	1161	const_iv (CDB_ALLDB)
983	const_iv (DIRECT_DB)	1162	const_iv (DIRECT_DB)
984	const_iv (DIRECT_LOG)
985	const_iv (DSYNC_DB)
986	const_iv (DSYNC_LOG)
987	const_iv (LOG_AUTOREMOVE)
988	const_iv (LOG_INMEMORY)
989	const_iv (NOLOCKING)	1163	const_iv (NOLOCKING)
990	const_iv (NOMMAP)	1164	const_iv (NOMMAP)
991	const_iv (NOPANIC)	1165	const_iv (NOPANIC)
992	const_iv (OVERWRITE)	1166	const_iv (OVERWRITE)
993	const_iv (PANIC_ENVIRONMENT)	1167	const_iv (PANIC_ENVIRONMENT)
…		…
1004	const_iv (HASH)	1178	const_iv (HASH)
1005	const_iv (QUEUE)	1179	const_iv (QUEUE)
1006	const_iv (RECNO)	1180	const_iv (RECNO)
1007	const_iv (UNKNOWN)	1181	const_iv (UNKNOWN)
1008	const_iv (EXCL)	1182	const_iv (EXCL)
1009	const_iv (READ_COMMITTED)
1010	const_iv (READ_UNCOMMITTED)
1011	const_iv (TRUNCATE)	1183	const_iv (TRUNCATE)
1012	const_iv (NOSYNC)	1184	const_iv (NOSYNC)
1013	const_iv (CHKSUM)	1185	const_iv (CHKSUM)
1014	const_iv (ENCRYPT)	1186	const_iv (ENCRYPT)
1015	const_iv (DUP)	1187	const_iv (DUP)
1016	const_iv (DUPSORT)	1188	const_iv (DUPSORT)
1017	const_iv (RECNUM)	1189	const_iv (RECNUM)
1018	const_iv (RENUMBER)	1190	const_iv (RENUMBER)
1019	const_iv (REVSPLITOFF)	1191	const_iv (REVSPLITOFF)
1020	const_iv (INORDER)
1021	const_iv (CONSUME)	1192	const_iv (CONSUME)
1022	const_iv (CONSUME_WAIT)	1193	const_iv (CONSUME_WAIT)
1023	const_iv (GET_BOTH)	1194	const_iv (GET_BOTH)
1024	const_iv (GET_BOTH_RANGE)	1195	const_iv (GET_BOTH_RANGE)
1025	//const_iv (SET_RECNO)	1196	//const_iv (SET_RECNO)
1026	//const_iv (MULTIPLE)	1197	//const_iv (MULTIPLE)
1027	const_iv (SNAPSHOT)	1198	const_iv (SNAPSHOT)
1028	const_iv (JOIN_ITEM)	1199	const_iv (JOIN_ITEM)
		1200	const_iv (JOIN_NOSORT)
1029	const_iv (RMW)	1201	const_iv (RMW)
1030		1202
1031	const_iv (NOTFOUND)	1203	const_iv (NOTFOUND)
1032	const_iv (KEYEMPTY)	1204	const_iv (KEYEMPTY)
1033	const_iv (LOCK_DEADLOCK)	1205	const_iv (LOCK_DEADLOCK)
1034	const_iv (LOCK_NOTGRANTED)	1206	const_iv (LOCK_NOTGRANTED)
1035	const_iv (RUNRECOVERY)	1207	const_iv (RUNRECOVERY)
1036	const_iv (OLD_VERSION)	1208	const_iv (OLD_VERSION)
1037	const_iv (REP_HANDLE_DEAD)	1209	const_iv (REP_HANDLE_DEAD)
1038	const_iv (REP_LOCKOUT)
1039	const_iv (SECONDARY_BAD)	1210	const_iv (SECONDARY_BAD)
1040
1041	const_iv (FREE_SPACE)
1042	const_iv (FREELIST_ONLY)
1043		1211
1044	const_iv (APPEND)	1212	const_iv (APPEND)
1045	const_iv (NODUPDATA)	1213	const_iv (NODUPDATA)
1046	const_iv (NOOVERWRITE)	1214	const_iv (NOOVERWRITE)
1047		1215
…		…
1049	const_iv (TXN_SYNC)	1217	const_iv (TXN_SYNC)
1050		1218
1051	const_iv (SET_LOCK_TIMEOUT)	1219	const_iv (SET_LOCK_TIMEOUT)
1052	const_iv (SET_TXN_TIMEOUT)	1220	const_iv (SET_TXN_TIMEOUT)
1053		1221
1054	const_iv (JOIN_ITEM)
1055	const_iv (FIRST)	1222	const_iv (FIRST)
1056	const_iv (NEXT)	1223	const_iv (NEXT)
1057	const_iv (NEXT_DUP)	1224	const_iv (NEXT_DUP)
1058	const_iv (NEXT_NODUP)	1225	const_iv (NEXT_NODUP)
1059	const_iv (PREV)	1226	const_iv (PREV)
…		…
1071	const_iv (FORCE)	1238	const_iv (FORCE)
1072		1239
1073	const_iv (LOCK_DEFAULT)	1240	const_iv (LOCK_DEFAULT)
1074	const_iv (LOCK_EXPIRE)	1241	const_iv (LOCK_EXPIRE)
1075	const_iv (LOCK_MAXLOCKS)	1242	const_iv (LOCK_MAXLOCKS)
1076	const_iv (LOCK_MAXWRITE)
1077	const_iv (LOCK_MINLOCKS)	1243	const_iv (LOCK_MINLOCKS)
1078	const_iv (LOCK_MINWRITE)	1244	const_iv (LOCK_MINWRITE)
1079	const_iv (LOCK_OLDEST)	1245	const_iv (LOCK_OLDEST)
1080	const_iv (LOCK_RANDOM)	1246	const_iv (LOCK_RANDOM)
1081	const_iv (LOCK_YOUNGEST)	1247	const_iv (LOCK_YOUNGEST)
1082		1248
1083	const_iv (SEQ_DEC)
1084	const_iv (SEQ_INC)
1085	const_iv (SEQ_WRAP)
1086
1087	const_iv (BUFFER_SMALL)
1088	const_iv (DONOTINDEX)	1249	const_iv (DONOTINDEX)
1089	const_iv (KEYEMPTY )	1250	const_iv (KEYEMPTY )
1090	const_iv (KEYEXIST )	1251	const_iv (KEYEXIST )
1091	const_iv (LOCK_DEADLOCK)	1252	const_iv (LOCK_DEADLOCK)
1092	const_iv (LOCK_NOTGRANTED)	1253	const_iv (LOCK_NOTGRANTED)
1093	const_iv (LOG_BUFFER_FULL)
1094	const_iv (NOSERVER)	1254	const_iv (NOSERVER)
1095	const_iv (NOSERVER_HOME)	1255	const_iv (NOSERVER_HOME)
1096	const_iv (NOSERVER_ID)	1256	const_iv (NOSERVER_ID)
1097	const_iv (NOTFOUND)	1257	const_iv (NOTFOUND)
1098	const_iv (PAGE_NOTFOUND)	1258	const_iv (PAGE_NOTFOUND)
1099	const_iv (REP_DUPMASTER)	1259	const_iv (REP_DUPMASTER)
1100	const_iv (REP_HANDLE_DEAD)	1260	const_iv (REP_HANDLE_DEAD)
1101	const_iv (REP_HOLDELECTION)	1261	const_iv (REP_HOLDELECTION)
1102	const_iv (REP_IGNORE)
1103	const_iv (REP_ISPERM)	1262	const_iv (REP_ISPERM)
1104	const_iv (REP_JOIN_FAILURE)
1105	const_iv (REP_LOCKOUT)
1106	const_iv (REP_NEWMASTER)	1263	const_iv (REP_NEWMASTER)
1107	const_iv (REP_NEWSITE)	1264	const_iv (REP_NEWSITE)
1108	const_iv (REP_NOTPERM)	1265	const_iv (REP_NOTPERM)
1109	const_iv (REP_UNAVAIL)	1266	const_iv (REP_UNAVAIL)
1110	const_iv (RUNRECOVERY)	1267	const_iv (RUNRECOVERY)
1111	const_iv (SECONDARY_BAD)	1268	const_iv (SECONDARY_BAD)
1112	const_iv (VERIFY_BAD)	1269	const_iv (VERIFY_BAD)
1113	const_iv (VERSION_MISMATCH)
1114		1270
1115	const_iv (VERB_DEADLOCK)	1271	const_iv (VERB_DEADLOCK)
1116	const_iv (VERB_RECOVERY)	1272	const_iv (VERB_RECOVERY)
1117	const_iv (VERB_REGISTER)
1118	const_iv (VERB_REPLICATION)	1273	const_iv (VERB_REPLICATION)
1119	const_iv (VERB_WAITSFOR)	1274	const_iv (VERB_WAITSFOR)
1120		1275
1121	const_iv (VERSION_MAJOR)	1276	const_iv (VERSION_MAJOR)
1122	const_iv (VERSION_MINOR)	1277	const_iv (VERSION_MINOR)
1123	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
1124	#if DB_VERSION_MINOR >= 5	1301	#if DB_VERSION_MINOR >= 5
1125	const_iv (MULTIVERSION)	1302	const_iv (MULTIVERSION)
1126	const_iv (TXN_SNAPSHOT)	1303	const_iv (TXN_SNAPSHOT)
1127	#endif	1304	#endif
1128	#if DB_VERSION_MINOR >= 6	1305	#if DB_VERSION_MINOR >= 6
1129	const_iv (PREV_DUP)	1306	const_iv (PREV_DUP)
1130	# if 0
1131	const_iv (PRIORITY_UNCHANGED)	1307	const_iv (PRIORITY_UNCHANGED)
1132	const_iv (PRIORITY_VERY_LOW)	1308	const_iv (PRIORITY_VERY_LOW)
1133	const_iv (PRIORITY_LOW)	1309	const_iv (PRIORITY_LOW)
1134	const_iv (PRIORITY_DEFAULT)	1310	const_iv (PRIORITY_DEFAULT)
1135	const_iv (PRIORITY_HIGH)	1311	const_iv (PRIORITY_HIGH)
1136	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)
1137	# endif	1326	# endif
1138	#endif	1327	#endif
1139	};	1328	};
1140		1329
1141	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; )
1142	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1331	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1143		1332
1144	newCONSTSUB (stash, "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
1145	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1340	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1146		1341
1147	create_respipe ();	1342	create_respipe ();
1148		1343
1149	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1344	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1150	#ifdef _WIN32	1345	patch_errno ();
1151	X_MUTEX_CHECK (wrklock);
1152	X_MUTEX_CHECK (reslock);
1153	X_MUTEX_CHECK (reqlock);
1154
1155	X_COND_CHECK (reqwait);
1156	#endif
1157	}	1346	}
1158		1347
1159	void	1348	void
1160	max_poll_reqs (int nreqs)	1349	max_poll_reqs (int nreqs)
1161	PROTOTYPE: $	1350	PROTOTYPE: $
…		…
1301	CODE:	1490	CODE:
1302	RETVAL = db_strerror (errorno);	1491	RETVAL = db_strerror (errorno);
1303	OUTPUT:	1492	OUTPUT:
1304	RETVAL	1493	RETVAL
1305		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
1306	DB_ENV *	1500	DB_ENV *
1307	db_env_create (U32 env_flags = 0)	1501	db_env_create (U32 env_flags = 0)
1308	CODE:	1502	CODE:
1309	{	1503	{
1310	errno = db_env_create (&RETVAL, env_flags);	1504	errno = db_env_create (&RETVAL, env_flags);
…		…
1319	}	1513	}
1320	OUTPUT:	1514	OUTPUT:
1321	RETVAL	1515	RETVAL
1322		1516
1323	void	1517	void
1324	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
1325	CODE:	1521	CODE:
1326	{	1522	{
1327	dREQ (REQ_ENV_OPEN);	1523	dREQ (REQ_ENV_OPEN, 1);
1328
1329	env->set_thread_count (env, wanted + 2);
1330
1331	req->env = env;	1524	req->env = env;
1332	req->uint1 = open_flags | DB_THREAD;	1525	req->uint1 = open_flags | DB_THREAD;
1333	req->int1 = mode;	1526	req->int1 = mode;
1334	req->buf1 = strdup_ornull (db_home);	1527	req->buf1 = strdup_ornull (db_home);
1335	REQ_SEND;	1528	REQ_SEND;
1336	}	1529	}
1337		1530
1338	void	1531	void
1339	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
1340	CODE:	1535	CODE:
1341	{	1536	{
1342	dREQ (REQ_ENV_CLOSE);	1537	dREQ (REQ_ENV_CLOSE, 1);
1343	req->env = env;	1538	req->env = env;
1344	req->uint1 = flags;	1539	req->uint1 = flags;
1345	REQ_SEND;	1540	REQ_SEND;
1346	ptr_nuke (ST (0));	1541	ptr_nuke (ST (0));
1347	}	1542	}
1348		1543
1349	void	1544	void
1350	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
1351	CODE:	1548	CODE:
1352	{	1549	{
1353	dREQ (REQ_ENV_TXN_CHECKPOINT);	1550	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1354	req->env = env;	1551	req->env = env;
1355	req->uint1 = kbyte;	1552	req->uint1 = kbyte;
1356	req->int1 = min;	1553	req->int1 = min;
1357	req->uint2 = flags;	1554	req->uint2 = flags;
1358	REQ_SEND;	1555	REQ_SEND;
1359	}	1556	}
1360		1557
1361	void	1558	void
1362	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
1363	CODE:	1562	CODE:
1364	{	1563	{
1365	dREQ (REQ_ENV_LOCK_DETECT);	1564	dREQ (REQ_ENV_LOCK_DETECT, 1);
1366	req->env = env;	1565	req->env = env;
1367	req->uint1 = flags;	1566	req->uint1 = flags;
1368	req->uint2 = atype;	1567	req->uint2 = atype;
		1568	/* req->int2 = 0; dummy */
1369	REQ_SEND;	1569	REQ_SEND;
1370	}	1570	}
1371		1571
1372	void	1572	void
1373	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
1374	CODE:	1576	CODE:
1375	{	1577	{
1376	dREQ (REQ_ENV_MEMP_SYNC);	1578	dREQ (REQ_ENV_MEMP_SYNC, 1);
1377	req->env = env;	1579	req->env = env;
1378	REQ_SEND;	1580	REQ_SEND;
1379	}	1581	}
1380		1582
1381	void	1583	void
1382	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
1383	CODE:	1587	CODE:
1384	{	1588	{
1385	dREQ (REQ_ENV_MEMP_TRICKLE);	1589	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1386	req->env = env;	1590	req->env = env;
1387	req->int1 = percent;	1591	req->int1 = percent;
1388	REQ_SEND;	1592	REQ_SEND;
1389	}	1593	}
1390		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	}
1391		1623
1392	DB *	1624	DB *
1393	db_create (DB_ENV *env = 0, U32 flags = 0)	1625	db_create (DB_ENV *env = 0, U32 flags = 0)
1394	CODE:	1626	CODE:
1395	{	1627	{
…		…
1402	}	1634	}
1403	OUTPUT:	1635	OUTPUT:
1404	RETVAL	1636	RETVAL
1405		1637
1406	void	1638	void
1407	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
1408	CODE:	1642	CODE:
1409	{	1643	{
1410	dREQ (REQ_DB_OPEN);	1644	dREQ (REQ_DB_OPEN, 2);
1411	req->db = db;	1645	req->db = db;
1412	req->txn = txnid;	1646	req->txn = txnid;
1413	req->buf1 = strdup_ornull (file);	1647	req->buf1 = strdup_ornull (file);
1414	req->buf2 = strdup_ornull (database);	1648	req->buf2 = strdup_ornull (database);
1415	req->int1 = type;	1649	req->int1 = type;
…		…
1417	req->int2 = mode;	1651	req->int2 = mode;
1418	REQ_SEND;	1652	REQ_SEND;
1419	}	1653	}
1420		1654
1421	void	1655	void
1422	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
1423	CODE:	1659	CODE:
1424	{	1660	{
1425	dREQ (REQ_DB_CLOSE);	1661	dREQ (REQ_DB_CLOSE, 1);
1426	req->db = db;	1662	req->db = db;
1427	req->uint1 = flags;	1663	req->uint1 = flags;
1428	req->sv1 = (SV *)db->app_private;	1664	req->sv1 = (SV *)db->app_private;
1429	REQ_SEND;	1665	REQ_SEND;
1430	ptr_nuke (ST (0));	1666	ptr_nuke (ST (0));
1431	}	1667	}
1432		1668
		1669	#if DB_VERSION_MINOR >= 4
		1670
1433	void	1671	void
1434	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
1435	CODE:	1675	CODE:
1436	{	1676	{
1437	dREQ (REQ_DB_COMPACT);	1677	dREQ (REQ_DB_COMPACT, 2);
1438	req->db = db;	1678	req->db = db;
1439	req->txn = txn;	1679	req->txn = txn;
1440	sv_to_dbt (&req->dbt1, start);	1680	sv_to_dbt (&req->dbt1, start);
1441	sv_to_dbt (&req->dbt2, stop);	1681	sv_to_dbt (&req->dbt2, stop);
1442	req->uint1 = flags;	1682	req->uint1 = flags;
1443	REQ_SEND;	1683	REQ_SEND;
1444	}	1684	}
1445		1685
		1686	#endif
		1687
1446	void	1688	void
1447	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
1448	CODE:	1692	CODE:
1449	{	1693	{
1450	dREQ (REQ_DB_SYNC);	1694	dREQ (REQ_DB_SYNC, 1);
1451	req->db = db;	1695	req->db = db;
1452	req->uint1 = flags;	1696	req->uint1 = flags;
1453	REQ_SEND;	1697	REQ_SEND;
1454	}	1698	}
1455		1699
1456	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
1457	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
1458	CODE:	1717	CODE:
1459	{	1718	{
1460	dREQ (REQ_DB_KEY_RANGE);	1719	dREQ (REQ_DB_KEY_RANGE, 2);
1461	req->db = db;	1720	req->db = db;
1462	req->txn = txn;	1721	req->txn = txn;
1463	sv_to_dbt (&req->dbt1, key);	1722	sv_to_dbt (&req->dbt1, key);
1464	req->uint1 = flags;	1723	req->uint1 = flags;
1465	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1724	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1466	REQ_SEND;	1725	REQ_SEND;
1467	}	1726	}
1468		1727
1469	void	1728	void
1470	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
1471	CODE:	1732	CODE:
1472	{	1733	{
1473	dREQ (REQ_DB_PUT);	1734	dREQ (REQ_DB_PUT, 2);
1474	req->db = db;	1735	req->db = db;
1475	req->txn = txn;	1736	req->txn = txn;
1476	sv_to_dbt (&req->dbt1, key);	1737	sv_to_dbt (&req->dbt1, key);
1477	sv_to_dbt (&req->dbt2, data);	1738	sv_to_dbt (&req->dbt2, data);
1478	req->uint1 = flags;	1739	req->uint1 = flags;
1479	REQ_SEND;	1740	REQ_SEND;
1480	}	1741	}
1481		1742
		1743	#if DB_VERSION_MINOR >= 6
		1744
1482	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
1483	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
1484	CODE:	1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_get");
1485	{	1768	{
1486	dREQ (REQ_DB_GET);	1769	dREQ (REQ_DB_GET, 2);
1487	req->db = db;	1770	req->db = db;
1488	req->txn = txn;	1771	req->txn = txn;
1489	req->uint1 = flags;	1772	req->uint1 = flags;
1490	sv_to_dbt (&req->dbt1, key);	1773	sv_to_dbt (&req->dbt1, key);
1491	req->dbt3.flags = DB_DBT_MALLOC;	1774	req->dbt3.flags = DB_DBT_MALLOC;
1492	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1775	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1493	REQ_SEND;	1776	REQ_SEND;
1494	}	1777	}
1495		1778
1496	void	1779	void
1497	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
1498	CODE:	1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_pget");
1499	{	1786	{
1500	dREQ (REQ_DB_PGET);	1787	dREQ (REQ_DB_PGET, 2);
1501	req->db = db;	1788	req->db = db;
1502	req->txn = txn;	1789	req->txn = txn;
1503	req->uint1 = flags;	1790	req->uint1 = flags;
1504	sv_to_dbt (&req->dbt1, key);	1791	sv_to_dbt (&req->dbt1, key);
1505	sv_to_dbt (&req->dbt2, pkey);	1792	sv_to_dbt (&req->dbt2, pkey);
…		…
1507	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1794	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1508	REQ_SEND;	1795	REQ_SEND;
1509	}	1796	}
1510		1797
1511	void	1798	void
1512	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
1513	CODE:	1802	CODE:
1514	{	1803	{
1515	dREQ (REQ_DB_DEL);	1804	dREQ (REQ_DB_DEL, 2);
1516	req->db = db;	1805	req->db = db;
1517	req->txn = txn;	1806	req->txn = txn;
1518	req->uint1 = flags;	1807	req->uint1 = flags;
1519	sv_to_dbt (&req->dbt1, key);	1808	sv_to_dbt (&req->dbt1, key);
1520	REQ_SEND;	1809	REQ_SEND;
1521	}	1810	}
1522		1811
1523	void	1812	void
1524	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
1525	CODE:	1816	CODE:
1526	{	1817	{
1527	dREQ (REQ_TXN_COMMIT);	1818	dREQ (REQ_TXN_COMMIT, 1);
1528	req->txn = txn;	1819	req->txn = txn;
1529	req->uint1 = flags;	1820	req->uint1 = flags;
1530	REQ_SEND;	1821	REQ_SEND;
1531	ptr_nuke (ST (0));	1822	ptr_nuke (ST (0));
1532	}	1823	}
1533		1824
1534	void	1825	void
1535	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
1536	CODE:	1829	CODE:
1537	{	1830	{
1538	dREQ (REQ_TXN_ABORT);	1831	dREQ (REQ_TXN_ABORT, 1);
1539	req->txn = txn;	1832	req->txn = txn;
1540	REQ_SEND;	1833	REQ_SEND;
1541	ptr_nuke (ST (0));	1834	ptr_nuke (ST (0));
1542	}	1835	}
1543		1836
1544	void	1837	void
1545	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
1546	CODE:	1841	CODE:
1547	{	1842	{
1548	dREQ (REQ_TXN_FINISH);	1843	dREQ (REQ_TXN_FINISH, 1);
1549	req->txn = txn;	1844	req->txn = txn;
1550	req->uint1 = flags;	1845	req->uint1 = flags;
1551	REQ_SEND;	1846	REQ_SEND;
1552	ptr_nuke (ST (0));	1847	ptr_nuke (ST (0));
1553	}	1848	}
1554		1849
1555	void	1850	void
1556	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1851	db_c_close (DBC *dbc, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
1557	CODE:	1854	CODE:
1558	{	1855	{
1559	dREQ (REQ_C_CLOSE);	1856	dREQ (REQ_C_CLOSE, 1);
1560	req->dbc = dbc;	1857	req->dbc = dbc;
1561	REQ_SEND;	1858	REQ_SEND;
1562	ptr_nuke (ST (0));	1859	ptr_nuke (ST (0));
1563	}	1860	}
1564		1861
1565	void	1862	void
1566	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
1567	CODE:	1866	CODE:
1568	{	1867	{
1569	dREQ (REQ_C_COUNT);	1868	dREQ (REQ_C_COUNT, 1);
1570	req->dbc = dbc;	1869	req->dbc = dbc;
1571	req->sv1 = SvREFCNT_inc (count);	1870	req->sv1 = SvREFCNT_inc (count);
1572	REQ_SEND;	1871	REQ_SEND;
1573	}	1872	}
1574		1873
1575	void	1874	void
1576	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
1577	CODE:	1878	CODE:
1578	{	1879	{
1579	dREQ (REQ_C_PUT);	1880	dREQ (REQ_C_PUT, 1);
1580	req->dbc = dbc;	1881	req->dbc = dbc;
1581	sv_to_dbt (&req->dbt1, key);	1882	sv_to_dbt (&req->dbt1, key);
1582	sv_to_dbt (&req->dbt2, data);	1883	sv_to_dbt (&req->dbt2, data);
1583	req->uint1 = flags;	1884	req->uint1 = flags;
1584	REQ_SEND;	1885	REQ_SEND;
1585	}	1886	}
1586		1887
1587	void	1888	void
1588	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
1589	CODE:	1892	CODE:
1590	{	1893	{
1591	dREQ (REQ_C_GET);	1894	dREQ (REQ_C_GET, 1);
1592	req->dbc = dbc;	1895	req->dbc = dbc;
1593	req->uint1 = flags;	1896	req->uint1 = flags;
1594	if ((flags & DB_SET) == DB_SET	1897	if ((flags & DB_SET) == DB_SET
1595	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1898	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1596	sv_to_dbt (&req->dbt1, key);	1899	sv_to_dbt (&req->dbt1, key);
…		…
1608	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1911	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1609	REQ_SEND;	1912	REQ_SEND;
1610	}	1913	}
1611		1914
1612	void	1915	void
1613	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
1614	CODE:	1919	CODE:
1615	{	1920	{
1616	dREQ (REQ_C_PGET);	1921	dREQ (REQ_C_PGET, 1);
1617	req->dbc = dbc;	1922	req->dbc = dbc;
1618	req->uint1 = flags;	1923	req->uint1 = flags;
1619	if ((flags & DB_SET) == DB_SET	1924	if ((flags & DB_SET) == DB_SET
1620	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1925	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1621	sv_to_dbt (&req->dbt1, key);	1926	sv_to_dbt (&req->dbt1, key);
…		…
1636	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1637	REQ_SEND;	1942	REQ_SEND;
1638	}	1943	}
1639		1944
1640	void	1945	void
1641	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
1642	CODE:	1949	CODE:
1643	{	1950	{
1644	dREQ (REQ_C_DEL);	1951	dREQ (REQ_C_DEL, 1);
1645	req->dbc = dbc;	1952	req->dbc = dbc;
1646	req->uint1 = flags;	1953	req->uint1 = flags;
1647	REQ_SEND;	1954	REQ_SEND;
1648	}	1955	}
1649		1956
1650		1957
		1958	#if DB_VERSION_MINOR >= 3
		1959
1651	void	1960	void
1652	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
1653	CODE:	1964	CODE:
1654	{	1965	{
1655	dREQ (REQ_SEQ_OPEN);	1966	dREQ (REQ_SEQ_OPEN, 2);
1656	req->seq = seq;	1967	req->seq = seq;
1657	req->txn = txnid;	1968	req->txn = txnid;
1658	req->uint1 = flags | DB_THREAD;	1969	req->uint1 = flags | DB_THREAD;
1659	sv_to_dbt (&req->dbt1, key);	1970	sv_to_dbt (&req->dbt1, key);
1660	REQ_SEND;	1971	REQ_SEND;
1661	}	1972	}
1662		1973
1663	void	1974	void
1664	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
1665	CODE:	1978	CODE:
1666	{	1979	{
1667	dREQ (REQ_SEQ_CLOSE);	1980	dREQ (REQ_SEQ_CLOSE, 1);
1668	req->seq = seq;	1981	req->seq = seq;
1669	req->uint1 = flags;	1982	req->uint1 = flags;
1670	REQ_SEND;	1983	REQ_SEND;
1671	ptr_nuke (ST (0));	1984	ptr_nuke (ST (0));
1672	}	1985	}
1673		1986
1674	void	1987	void
1675	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
1676	CODE:	1991	CODE:
1677	{	1992	{
1678	dREQ (REQ_SEQ_GET);	1993	dREQ (REQ_SEQ_GET, 2);
1679	req->seq = seq;	1994	req->seq = seq;
1680	req->txn = txnid;	1995	req->txn = txnid;
1681	req->int1 = delta;	1996	req->int1 = delta;
1682	req->uint1 = flags;	1997	req->uint1 = flags;
1683	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1998	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1684	REQ_SEND;	1999	REQ_SEND;
1685	}	2000	}
1686		2001
1687	void	2002	void
1688	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
1689	CODE:	2006	CODE:
1690	{	2007	{
1691	dREQ (REQ_SEQ_REMOVE);	2008	dREQ (REQ_SEQ_REMOVE, 2);
1692	req->seq = seq;	2009	req->seq = seq;
1693	req->txn = txnid;	2010	req->txn = txnid;
1694	req->uint1 = flags;	2011	req->uint1 = flags;
1695	REQ_SEND;	2012	REQ_SEND;
1696	}	2013	}
1697		2014
		2015	#endif
		2016
1698		2017
1699	MODULE = BDB PACKAGE = BDB::Env	2018	MODULE = BDB PACKAGE = BDB::Env
1700		2019
1701	void	2020	void
1702	DESTROY (DB_ENV_ornull *env)	2021	DESTROY (DB_ENV_ornuked *env)
1703	CODE:	2022	CODE:
1704	if (env)	2023	if (env)
1705	env->close (env, 0);	2024	env->close (env, 0);
1706		2025
1707	int set_data_dir (DB_ENV *env, const char *dir)	2026	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1738	CODE:	2057	CODE:
1739	RETVAL = env->set_flags (env, flags, onoff);	2058	RETVAL = env->set_flags (env, flags, onoff);
1740	OUTPUT:	2059	OUTPUT:
1741	RETVAL	2060	RETVAL
1742		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
1743	void set_errfile (DB_ENV *env, FILE *errfile = 0)	2079	void set_errfile (DB_ENV *env, FILE *errfile = 0)
1744	CODE:	2080	CODE:
1745	env->set_errfile (env, errfile);	2081	env->set_errfile (env, errfile);
1746		2082
1747	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)	2083	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
…		…
1817	int set_lg_max (DB_ENV *env, U32 max)	2153	int set_lg_max (DB_ENV *env, U32 max)
1818	CODE:	2154	CODE:
1819	RETVAL = env->set_lg_max (env, max);	2155	RETVAL = env->set_lg_max (env, max);
1820	OUTPUT:	2156	OUTPUT:
1821	RETVAL	2157	RETVAL
		2158
		2159	#if DB_VERSION_MINOR >= 4
1822		2160
1823	int mutex_set_max (DB_ENV *env, U32 max)	2161	int mutex_set_max (DB_ENV *env, U32 max)
1824	CODE:	2162	CODE:
1825	RETVAL = env->mutex_set_max (env, max);	2163	RETVAL = env->mutex_set_max (env, max);
1826	OUTPUT:	2164	OUTPUT:
…		…
1842	CODE:	2180	CODE:
1843	RETVAL = env->mutex_set_align (env, align);	2181	RETVAL = env->mutex_set_align (env, align);
1844	OUTPUT:	2182	OUTPUT:
1845	RETVAL	2183	RETVAL
1846		2184
		2185	#endif
		2186
1847	DB_TXN *	2187	DB_TXN *
1848	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)
1849	CODE:	2189	CODE:
1850	errno = env->txn_begin (env, parent, &RETVAL, flags);	2190	errno = env->txn_begin (env, parent, &RETVAL, flags);
1851	if (errno)	2191	if (errno)
1852	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2192	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1853	OUTPUT:	2193	OUTPUT:
1854	RETVAL	2194	RETVAL
1855		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
1856	MODULE = BDB PACKAGE = BDB::Db	2209	MODULE = BDB PACKAGE = BDB::Db
1857		2210
1858	void	2211	void
1859	DESTROY (DB_ornull *db)	2212	DESTROY (DB_ornuked *db)
1860	CODE:	2213	CODE:
1861	if (db)	2214	if (db)
1862	{	2215	{
1863	SV *env = (SV *)db->app_private;	2216	SV *env = (SV *)db->app_private;
1864	db->close (db, 0);	2217	db->close (db, 0);
…		…
1944	if (errno)	2297	if (errno)
1945	croak ("DB->cursor: %s", db_strerror (errno));	2298	croak ("DB->cursor: %s", db_strerror (errno));
1946	OUTPUT:	2299	OUTPUT:
1947	RETVAL	2300	RETVAL
1948		2301
		2302	#if DB_VERSION_MINOR >= 3
		2303
1949	DB_SEQUENCE *	2304	DB_SEQUENCE *
1950	sequence (DB *db, U32 flags = 0)	2305	sequence (DB *db, U32 flags = 0)
1951	CODE:	2306	CODE:
1952	{	2307	{
1953	errno = db_sequence_create (&RETVAL, db, flags);	2308	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1955	croak ("db_sequence_create: %s", db_strerror (errno));	2310	croak ("db_sequence_create: %s", db_strerror (errno));
1956	}	2311	}
1957	OUTPUT:	2312	OUTPUT:
1958	RETVAL	2313	RETVAL
1959		2314
		2315	#endif
		2316
1960		2317
1961	MODULE = BDB PACKAGE = BDB::Txn	2318	MODULE = BDB PACKAGE = BDB::Txn
1962		2319
1963	void	2320	void
1964	DESTROY (DB_TXN_ornull *txn)	2321	DESTROY (DB_TXN_ornuked *txn)
1965	CODE:	2322	CODE:
1966	if (txn)	2323	if (txn)
1967	txn->abort (txn);	2324	txn->abort (txn);
1968		2325
1969	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)
…		…
1980		2337
1981		2338
1982	MODULE = BDB PACKAGE = BDB::Cursor	2339	MODULE = BDB PACKAGE = BDB::Cursor
1983		2340
1984	void	2341	void
1985	DESTROY (DBC_ornull *dbc)	2342	DESTROY (DBC_ornuked *dbc)
1986	CODE:	2343	CODE:
1987	if (dbc)	2344	if (dbc)
1988	dbc->c_close (dbc);	2345	dbc->c_close (dbc);
1989		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
1990	MODULE = BDB PACKAGE = BDB::Sequence	2357	MODULE = BDB PACKAGE = BDB::Sequence
1991		2358
1992	void	2359	void
1993	DESTROY (DB_SEQUENCE_ornull *seq)	2360	DESTROY (DB_SEQUENCE_ornuked *seq)
1994	CODE:	2361	CODE:
1995	if (seq)	2362	if (seq)
1996	seq->close (seq, 0);	2363	seq->close (seq, 0);
1997		2364
1998	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2365	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
2017	CODE:	2384	CODE:
2018	RETVAL = seq->set_range (seq, min, max);	2385	RETVAL = seq->set_range (seq, min, max);
2019	OUTPUT:	2386	OUTPUT:
2020	RETVAL	2387	RETVAL
2021		2388
		2389	#endif
		2390
		2391

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