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Comparing BDB/BDB.xs (file contents):
Revision 1.16 by root, Mon Aug 13 12:01:45 2007 UTC vs.
Revision 1.48 by root, Tue Jul 29 03:33:16 2008 UTC

		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
…		…
27	# include <unistd.h>	29	# include <unistd.h>
28	#endif	30	#endif
29		31
30	#include <db.h>	32	#include <db.h>
31		33
32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
33	# error you need Berkeley DB 4.4 or newer installed	35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
34	#endif	36	#endif
35		37
36	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
38		40
39	typedef DB_ENV DB_ENV_ornull;	41	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	42	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	43	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	44	typedef DB DB_ornull;
		45
		46	typedef DB_ENV DB_ENV_ornuked;
		47	typedef DB_TXN DB_TXN_ornuked;
		48	typedef DBC DBC_ornuked;
		49	typedef DB DB_ornuked;
		50
		51	#if DB_VERSION_MINOR >= 3
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	52	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		53	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		54	#endif
44		55
45	typedef SV SV8; /* byte-sv, used for argument-checking */	56	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	57	typedef char *bdb_filename;
47		58
48	static SV *prepare_cb;	59	static SV *prepare_cb;
49		60
50	#if DB_VERSION_MINOR >= 6	61	#if DB_VERSION_MINOR >= 6
51	# define c_close close	62	# define c_close close
…		…
55	# define c_get get	66	# define c_get get
56	# define c_pget pget	67	# define c_pget pget
57	# define c_put put	68	# define c_put put
58	#endif	69	#endif
59		70
		71	static char *
		72	get_bdb_filename (SV *sv)
		73	{
		74	if (!SvOK (sv))
		75	return 0;
		76
		77	#if _WIN32
		78	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		79	{
		80	STRLEN len;
		81	char *src = SvPVbyte (sv, len);
		82	SV *t1 = sv_newmortal ();
		83	SV *t2 = sv_newmortal ();
		84
		85	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		86	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		87
		88	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		89	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		90	SvPOK_only (t2);
		91	SvPVX (t2)[len] = 0;
		92	SvCUR_set (t2, len);
		93
		94	return SvPVX (t2);
		95	}
		96	#else
		97	return SvPVbyte_nolen (sv);
		98	#endif
		99	}
		100
60	static void	101	static void
61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)	102	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62	{	103	{
63	printf ("err[%s]\n", msg);	104	printf ("err[%s]\n", msg);
64	}	105	}
…		…
101	}	142	}
102		143
103	enum {	144	enum {
104	REQ_QUIT,	145	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	146	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	147	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,	148	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,	149	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,	150	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,	151	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,	152	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	153	};
113		154
114	typedef struct aio_cb	155	typedef struct bdb_cb
115	{	156	{
116	struct aio_cb *volatile next;	157	struct bdb_cb *volatile next;
117	SV *callback;	158	SV *callback;
118	int type, pri, result;	159	int type, pri, result;
119		160
120	DB_ENV *env;	161	DB_ENV *env;
121	DB *db;	162	DB *db;
…		…
123	DBC *dbc;	164	DBC *dbc;
124		165
125	UV uv1;	166	UV uv1;
126	int int1, int2;	167	int int1, int2;
127	U32 uint1, uint2;	168	U32 uint1, uint2;
128	char *buf1, *buf2;	169	char *buf1, *buf2, *buf3;
129	SV *sv1, *sv2, *sv3;	170	SV *sv1, *sv2, *sv3;
130		171
131	DBT dbt1, dbt2, dbt3;	172	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	173	DB_KEY_RANGE key_range;
		174	#if DB_VERSION_MINOR >= 3
133	DB_SEQUENCE *seq;	175	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	176	db_seq_t seq_t;
135	} aio_cb;	177	#endif
		178	} bdb_cb;
136		179
137	typedef aio_cb *aio_req;	180	typedef bdb_cb *bdb_req;
138		181
139	enum {	182	enum {
140	PRI_MIN = -4,	183	PRI_MIN = -4,
141	PRI_MAX = 4,	184	PRI_MAX = 4,
142		185
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	188	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	189	};
147		190
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	191	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		192
		193	static SV *on_next_submit;
		194
150	static unsigned int max_poll_time = 0;	195	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	196	static unsigned int max_poll_reqs = 0;
152		197
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	198	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	199	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
169	struct worker *prev, *next;	214	struct worker *prev, *next;
170		215
171	thread_t tid;	216	thread_t tid;
172		217
173	/* locked by reslock, reqlock or wrklock */	218	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	219	bdb_req req; /* currently processed request */
175	void *dbuf;	220	void *dbuf;
176	DIR *dirp;	221	DIR *dirp;
177	} worker;	222	} worker;
178		223
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	224	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
191	}	236	}
192		237
193	static volatile unsigned int nreqs, nready, npending;	238	static volatile unsigned int nreqs, nready, npending;
194	static volatile unsigned int max_idle = 4;	239	static volatile unsigned int max_idle = 4;
195	static volatile unsigned int max_outstanding = 0xffffffff;	240	static volatile unsigned int max_outstanding = 0xffffffff;
196	static int respipe [2], respipe_osf [2];	241	static int respipe_osf [2], respipe [2] = { -1, -1 };
197		242
198	static mutex_t reslock = X_MUTEX_INIT;	243	static mutex_t reslock = X_MUTEX_INIT;
199	static mutex_t reqlock = X_MUTEX_INIT;	244	static mutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	245	static cond_t reqwait = X_COND_INIT;
201		246
202	#if WORDACCESS_UNSAFE	247	#if WORDACCESS_UNSAFE
203		248
204	static unsigned int get_nready ()	249	static unsigned int get_nready (void)
205	{	250	{
206	unsigned int retval;	251	unsigned int retval;
207		252
208	X_LOCK (reqlock);	253	X_LOCK (reqlock);
209	retval = nready;	254	retval = nready;
210	X_UNLOCK (reqlock);	255	X_UNLOCK (reqlock);
211		256
212	return retval;	257	return retval;
213	}	258	}
214		259
215	static unsigned int get_npending ()	260	static unsigned int get_npending (void)
216	{	261	{
217	unsigned int retval;	262	unsigned int retval;
218		263
219	X_LOCK (reslock);	264	X_LOCK (reslock);
220	retval = npending;	265	retval = npending;
221	X_UNLOCK (reslock);	266	X_UNLOCK (reslock);
222		267
223	return retval;	268	return retval;
224	}	269	}
225		270
226	static unsigned int get_nthreads ()	271	static unsigned int get_nthreads (void)
227	{	272	{
228	unsigned int retval;	273	unsigned int retval;
229		274
230	X_LOCK (wrklock);	275	X_LOCK (wrklock);
231	retval = started;	276	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	291	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	292	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	293	* per shift, the most expensive operation.
249	*/	294	*/
250	typedef struct {	295	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	296	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	297	int size;
253	} reqq;	298	} reqq;
254		299
255	static reqq req_queue;	300	static reqq req_queue;
256	static reqq res_queue;	301	static reqq res_queue;
257		302
258	int reqq_push (reqq *q, aio_req req)	303	int reqq_push (reqq *q, bdb_req req)
259	{	304	{
260	int pri = req->pri;	305	int pri = req->pri;
261	req->next = 0;	306	req->next = 0;
262		307
263	if (q->qe[pri])	308	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	314	q->qe[pri] = q->qs[pri] = req;
270		315
271	return q->size++;	316	return q->size++;
272	}	317	}
273		318
274	aio_req reqq_shift (reqq *q)	319	bdb_req reqq_shift (reqq *q)
275	{	320	{
276	int pri;	321	int pri;
277		322
278	if (!q->size)	323	if (!q->size)
279	return 0;	324	return 0;
280		325
281	--q->size;	326	--q->size;
282		327
283	for (pri = NUM_PRI; pri--; )	328	for (pri = NUM_PRI; pri--; )
284	{	329	{
285	aio_req req = q->qs[pri];	330	bdb_req req = q->qs[pri];
286		331
287	if (req)	332	if (req)
288	{	333	{
289	if (!(q->qs[pri] = req->next))	334	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	335	q->qe[pri] = 0;
…		…
294	}	339	}
295		340
296	abort ();	341	abort ();
297	}	342	}
298		343
299	static int poll_cb ();	344	static int poll_cb (void);
300	static void req_free (aio_req req);	345	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);	346	static void req_cancel (bdb_req req);
302		347
303	static int req_invoke (aio_req req)	348	static int req_invoke (bdb_req req)
304	{	349	{
305	dSP;	350	dSP;
306		351
307	if (SvOK (req->callback))	352	if (req->callback)
308	{	353	{
309	ENTER;	354	ENTER;
310	SAVETMPS;	355	SAVETMPS;
311	PUSHMARK (SP);	356	PUSHMARK (SP);
312		357
…		…
326	dbt_to_sv (req->sv1, &req->dbt1);	371	dbt_to_sv (req->sv1, &req->dbt1);
327	dbt_to_sv (req->sv2, &req->dbt2);	372	dbt_to_sv (req->sv2, &req->dbt2);
328	dbt_to_sv (req->sv3, &req->dbt3);	373	dbt_to_sv (req->sv3, &req->dbt3);
329	break;	374	break;
330		375
		376	case REQ_DB_PUT:
		377	case REQ_C_PUT:
		378	dbt_to_sv (0, &req->dbt1);
		379	dbt_to_sv (0, &req->dbt2);
		380	break;
		381
331	case REQ_DB_KEY_RANGE:	382	case REQ_DB_KEY_RANGE:
332	{	383	{
333	AV *av = newAV ();	384	AV *av = newAV ();
334		385
335	av_push (av, newSVnv (req->key_range.less));	386	av_push (av, newSVnv (req->key_range.less));
…		…
340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	391	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341	SvREFCNT_dec (req->sv1);	392	SvREFCNT_dec (req->sv1);
342	}	393	}
343	break;	394	break;
344		395
		396	#if DB_VERSION_MINOR >= 3
345	case REQ_SEQ_GET:	397	case REQ_SEQ_GET:
346	SvREADONLY_off (req->sv1);	398	SvREADONLY_off (req->sv1);
347		399
348	if (sizeof (IV) > 4)	400	if (sizeof (IV) > 4)
349	sv_setiv_mg (req->sv1, req->seq_t);	401	sv_setiv_mg (req->sv1, (IV)req->seq_t);
350	else	402	else
351	sv_setnv_mg (req->sv1, req->seq_t);	403	sv_setnv_mg (req->sv1, (NV)req->seq_t);
352		404
353	SvREFCNT_dec (req->sv1);	405	SvREFCNT_dec (req->sv1);
354	break;	406	break;
		407	#endif
355	}	408	}
356		409
357	errno = req->result;	410	errno = req->result;
358		411
359	PUTBACK;	412	PUTBACK;
…		…
365	}	418	}
366		419
367	return !SvTRUE (ERRSV);	420	return !SvTRUE (ERRSV);
368	}	421	}
369		422
370	static void req_free (aio_req req)	423	static void req_free (bdb_req req)
371	{	424	{
		425	SvREFCNT_dec (req->callback);
		426
372	free (req->buf1);	427	free (req->buf1);
373	free (req->buf2);	428	free (req->buf2);
		429	free (req->buf3);
		430
374	Safefree (req);	431	Safefree (req);
375	}	432	}
376		433
377	#ifdef USE_SOCKETS_AS_HANDLES	434	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))	435	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else	436	#else
380	# define TO_SOCKET(x) (x)	437	# define TO_SOCKET(x) (x)
381	#endif	438	#endif
382		439
383	static void	440	static void
384	create_pipe (int fd[2])	441	create_respipe (void)
385	{	442	{
386	#ifdef _WIN32	443	#ifdef _WIN32
387	int arg = 1;	444	int arg; /* argg */
		445	#endif
		446	int old_readfd = respipe [0];
		447
		448	if (respipe [1] >= 0)
		449	respipe_close (TO_SOCKET (respipe [1]));
		450
		451	#ifdef _WIN32
388	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)	452	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
389	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
390	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
391	#else	453	#else
392	if (pipe (fd)	454	if (pipe (respipe))
393	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
394	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
395	#endif	455	#endif
396	croak ("unable to initialize result pipe");	456	croak ("unable to initialize result pipe");
		457
		458	if (old_readfd >= 0)
		459	{
		460	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		461	croak ("unable to initialize result pipe(2)");
		462
		463	respipe_close (respipe [0]);
		464	respipe [0] = old_readfd;
		465	}
		466
		467	#ifdef _WIN32
		468	arg = 1;
		469	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		470	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		471	#else
		472	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		473	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		474	#endif
		475	croak ("unable to initialize result pipe(3)");
397		476
398	respipe_osf [0] = TO_SOCKET (respipe [0]);	477	respipe_osf [0] = TO_SOCKET (respipe [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);	478	respipe_osf [1] = TO_SOCKET (respipe [1]);
400	}	479	}
401		480
…		…
421	free (wrk);	500	free (wrk);
422		501
423	X_UNLOCK (wrklock);	502	X_UNLOCK (wrklock);
424	}	503	}
425		504
426	static void maybe_start_thread ()	505	static void maybe_start_thread (void)
427	{	506	{
428	if (get_nthreads () >= wanted)	507	if (get_nthreads () >= wanted)
429	return;	508	return;
430		509
431	/* todo: maybe use idle here, but might be less exact */	510	/* todo: maybe use idle here, but might be less exact */
…		…
433	return;	512	return;
434		513
435	start_thread ();	514	start_thread ();
436	}	515	}
437		516
438	static void req_send (aio_req req)	517	static void req_send (bdb_req req)
439	{	518	{
440	SV *wait_callback = 0;	519	SV *wait_callback = 0;
441		520
		521	if (on_next_submit)
		522	{
		523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
		528	PUSHMARK (SP);
		529	PUTBACK;
		530	call_sv (cb, G_DISCARD | G_EVAL);
		531	}
		532
442	// synthesize callback if none given	533	// synthesize callback if none given
443	if (!SvOK (req->callback))	534	if (!req->callback)
444	{	535	{
445	int count;	536	int count;
446		537
447	dSP;	538	dSP;
448	PUSHMARK (SP);	539	PUSHMARK (SP);
…		…
451	SPAGAIN;	542	SPAGAIN;
452		543
453	if (count != 2)	544	if (count != 2)
454	croak ("prepare callback must return exactly two values\n");	545	croak ("prepare callback must return exactly two values\n");
455		546
456	wait_callback = SvREFCNT_inc (POPs);	547	wait_callback = POPs;
457	SvREFCNT_dec (req->callback);	548	SvREFCNT_dec (req->callback);
458	req->callback = SvREFCNT_inc (POPs);	549	req->callback = SvREFCNT_inc (POPs);
459	}	550	}
460		551
461	++nreqs;	552	++nreqs;
…		…
472	{	563	{
473	dSP;	564	dSP;
474	PUSHMARK (SP);	565	PUSHMARK (SP);
475	PUTBACK;	566	PUTBACK;
476	call_sv (wait_callback, G_DISCARD);	567	call_sv (wait_callback, G_DISCARD);
477	SvREFCNT_dec (wait_callback);
478	}	568	}
479	}	569	}
480		570
481	static void end_thread (void)	571	static void end_thread (void)
482	{	572	{
483	aio_req req;	573	bdb_req req;
484		574
485	Newz (0, req, 1, aio_cb);	575	Newz (0, req, 1, bdb_cb);
486		576
487	req->type = REQ_QUIT;	577	req->type = REQ_QUIT;
488	req->pri = PRI_MAX + PRI_BIAS;	578	req->pri = PRI_MAX + PRI_BIAS;
489		579
490	X_LOCK (reqlock);	580	X_LOCK (reqlock);
…		…
517		607
518	while (started > wanted)	608	while (started > wanted)
519	end_thread ();	609	end_thread ();
520	}	610	}
521		611
522	static void poll_wait ()	612	static void poll_wait (void)
523	{	613	{
524	fd_set rfd;	614	fd_set rfd;
525		615
526	while (nreqs)	616	while (nreqs)
527	{	617	{
…		…
540		630
541	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	631	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
542	}	632	}
543	}	633	}
544		634
545	static int poll_cb ()	635	static int poll_cb (void)
546	{	636	{
547	dSP;	637	dSP;
548	int count = 0;	638	int count = 0;
549	int maxreqs = max_poll_reqs;	639	int maxreqs = max_poll_reqs;
550	int do_croak = 0;	640	int do_croak = 0;
551	struct timeval tv_start, tv_now;	641	struct timeval tv_start, tv_now;
552	aio_req req;	642	bdb_req req;
553		643
554	if (max_poll_time)	644	if (max_poll_time)
555	gettimeofday (&tv_start, 0);	645	gettimeofday (&tv_start, 0);
556		646
557	for (;;)	647	for (;;)
…		…
618		708
619	/*****************************************************************************/	709	/*****************************************************************************/
620		710
621	X_THREAD_PROC (bdb_proc)	711	X_THREAD_PROC (bdb_proc)
622	{	712	{
623	aio_req req;	713	bdb_req req;
624	struct timespec ts;	714	struct timespec ts;
625	worker *self = (worker *)thr_arg;	715	worker *self = (worker *)thr_arg;
626		716
627	/* try to distribute timeouts somewhat evenly */	717	/* try to distribute timeouts somewhat evenly */
628	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	718	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
…		…
668	X_UNLOCK (reqlock);	758	X_UNLOCK (reqlock);
669		759
670	switch (req->type)	760	switch (req->type)
671	{	761	{
672	case REQ_QUIT:	762	case REQ_QUIT:
		763	req->result = ENOSYS;
673	goto quit;	764	goto quit;
674		765
675	case REQ_ENV_OPEN:	766	case REQ_ENV_OPEN:
676	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	767	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
677	break;	768	break;
…		…
694		785
695	case REQ_ENV_MEMP_TRICKLE:	786	case REQ_ENV_MEMP_TRICKLE:
696	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	787	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
697	break;	788	break;
698		789
		790	case REQ_ENV_DBREMOVE:
		791	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		792	break;
		793
		794	case REQ_ENV_DBRENAME:
		795	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		796	break;
		797
699	case REQ_DB_OPEN:	798	case REQ_DB_OPEN:
700	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	799	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
701	break;	800	break;
702		801
703	case REQ_DB_CLOSE:	802	case REQ_DB_CLOSE:
704	req->result = req->db->close (req->db, req->uint1);	803	req->result = req->db->close (req->db, req->uint1);
705	break;	804	break;
706		805
		806	#if DB_VERSION_MINOR >= 4
707	case REQ_DB_COMPACT:	807	case REQ_DB_COMPACT:
708	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	808	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
709	break;	809	break;
		810	#endif
710		811
711	case REQ_DB_SYNC:	812	case REQ_DB_SYNC:
712	req->result = req->db->sync (req->db, req->uint1);	813	req->result = req->db->sync (req->db, req->uint1);
713	break;	814	break;
714		815
		816	case REQ_DB_UPGRADE:
		817	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		818	break;
		819
715	case REQ_DB_PUT:	820	case REQ_DB_PUT:
716	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	821	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
717	break;	822	break;
718		823
		824	#if DB_VERSION_MINOR >= 6
		825	case REQ_DB_EXISTS:
		826	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		827	break;
		828	#endif
719	case REQ_DB_GET:	829	case REQ_DB_GET:
720	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	830	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
721	break;	831	break;
722		832
723	case REQ_DB_PGET:	833	case REQ_DB_PGET:
…		…
736	req->result = req->txn->commit (req->txn, req->uint1);	846	req->result = req->txn->commit (req->txn, req->uint1);
737	break;	847	break;
738		848
739	case REQ_TXN_ABORT:	849	case REQ_TXN_ABORT:
740	req->result = req->txn->abort (req->txn);	850	req->result = req->txn->abort (req->txn);
		851	break;
		852
		853	case REQ_TXN_FINISH:
		854	if (req->txn->flags & TXN_DEADLOCK)
		855	{
		856	req->result = req->txn->abort (req->txn);
		857	if (!req->result)
		858	req->result = DB_LOCK_DEADLOCK;
		859	}
		860	else
		861	req->result = req->txn->commit (req->txn, req->uint1);
741	break;	862	break;
742		863
743	case REQ_C_CLOSE:	864	case REQ_C_CLOSE:
744	req->result = req->dbc->c_close (req->dbc);	865	req->result = req->dbc->c_close (req->dbc);
745	break;	866	break;
…		…
766		887
767	case REQ_C_DEL:	888	case REQ_C_DEL:
768	req->result = req->dbc->c_del (req->dbc, req->uint1);	889	req->result = req->dbc->c_del (req->dbc, req->uint1);
769	break;	890	break;
770		891
		892	#if DB_VERSION_MINOR >= 3
771	case REQ_SEQ_OPEN:	893	case REQ_SEQ_OPEN:
772	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);	894	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
773	break;	895	break;
774		896
775	case REQ_SEQ_CLOSE:	897	case REQ_SEQ_CLOSE:
…		…
781	break;	903	break;
782		904
783	case REQ_SEQ_REMOVE:	905	case REQ_SEQ_REMOVE:
784	req->result = req->seq->remove (req->seq, req->txn, req->uint1);	906	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
785	break;	907	break;
		908	#endif
786		909
787	default:	910	default:
788	req->result = ENOSYS;	911	req->result = ENOSYS;
789	break;	912	break;
790	}	913	}
		914
		915	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		916	req->txn->flags |= TXN_DEADLOCK;
791		917
792	X_LOCK (reslock);	918	X_LOCK (reslock);
793		919
794	++npending;	920	++npending;
795		921
…		…
827	X_UNLOCK (wrklock);	953	X_UNLOCK (wrklock);
828	}	954	}
829		955
830	static void atfork_child (void)	956	static void atfork_child (void)
831	{	957	{
832	aio_req prv;	958	bdb_req prv;
833		959
834	while (prv = reqq_shift (&req_queue))	960	while (prv = reqq_shift (&req_queue))
835	req_free (prv);	961	req_free (prv);
836		962
837	while (prv = reqq_shift (&res_queue))	963	while (prv = reqq_shift (&res_queue))
…		…
852	idle = 0;	978	idle = 0;
853	nreqs = 0;	979	nreqs = 0;
854	nready = 0;	980	nready = 0;
855	npending = 0;	981	npending = 0;
856		982
857	respipe_close (respipe [0]);
858	respipe_close (respipe [1]);
859
860	create_pipe (respipe);	983	create_respipe ();
861		984
862	atfork_parent ();	985	atfork_parent ();
863	}	986	}
864		987
865	#define dREQ(reqtype) \	988	#define dREQ(reqtype) \
866	aio_req req; \	989	bdb_req req; \
867	int req_pri = next_pri; \	990	int req_pri = next_pri; \
868	next_pri = DEFAULT_PRI + PRI_BIAS; \	991	next_pri = DEFAULT_PRI + PRI_BIAS; \
869	\	992	\
870	if (SvOK (callback) && !SvROK (callback)) \	993	if (callback && SvOK (callback)) \
871	croak ("callback must be undef or of reference type"); \	994	croak ("callback has illegal type or extra arguments"); \
872	\	995	\
873	Newz (0, req, 1, aio_cb); \	996	Newz (0, req, 1, bdb_cb); \
874	if (!req) \	997	if (!req) \
875	croak ("out of memory during aio_req allocation"); \	998	croak ("out of memory during bdb_req allocation"); \
876	\	999	\
877	req->callback = newSVsv (callback); \	1000	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
878	req->type = (reqtype); \	1001	req->type = (reqtype); \
879	req->pri = req_pri	1002	req->pri = req_pri
880		1003
881	#define REQ_SEND \	1004	#define REQ_SEND \
882	req_send (req)	1005	req_send (req)
883		1006
884	#define SvPTR(var, arg, type, class, nullok) \	1007	#define SvPTR(var, arg, type, class, nullok) \
885	if (!SvOK (arg)) \	1008	if (!SvOK (arg)) \
886	{ \	1009	{ \
887	if (!nullok) \	1010	if (nullok != 1) \
888	croak (# var " must be a " # class " object, not undef"); \	1011	croak (# var " must be a " # class " object, not undef"); \
889	\	1012	\
890	(var) = 0; \	1013	(var) = 0; \
891	} \	1014	} \
892	else if (sv_derived_from ((arg), # class)) \	1015	else if (sv_derived_from ((arg), # class)) \
893	{ \	1016	{ \
894	IV tmp = SvIV ((SV*) SvRV (arg)); \	1017	IV tmp = SvIV ((SV*) SvRV (arg)); \
895	(var) = INT2PTR (type, tmp); \	1018	(var) = INT2PTR (type, tmp); \
896	if (!var) \	1019	if (!var && nullok != 2) \
897	croak (# var " is not a valid " # class " object anymore"); \	1020	croak (# var " is not a valid " # class " object anymore"); \
898	} \	1021	} \
899	else \	1022	else \
900	croak (# var " is not of type " # class); \	1023	croak (# var " is not of type " # class);
901	\
902		1024
903	static void	1025	static void
904	ptr_nuke (SV *sv)	1026	ptr_nuke (SV *sv)
905	{	1027	{
906	assert (SvROK (sv));	1028	assert (SvROK (sv));
907	sv_setiv (SvRV (sv), 0);	1029	sv_setiv (SvRV (sv), 0);
908	}	1030	}
		1031
		1032	static int
		1033	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1034	{
		1035	if (*mg->mg_ptr == '!') // should always be the case
		1036	if (-30999 <= errno && errno <= -30800)
		1037	{
		1038	sv_setnv (sv, (NV)errno);
		1039	sv_setpv (sv, db_strerror (errno));
		1040	SvNOK_on (sv); /* what a wonderful hack! */
		1041	// ^^^ copied from perl sources
		1042	return 0;
		1043	}
		1044
		1045	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1046	}
		1047
		1048	static MGVTBL vtbl_errno;
		1049
		1050	// this wonderful hack :( patches perl's $! variable to support our errno values
		1051	static void
		1052	patch_errno (void)
		1053	{
		1054	SV *sv;
		1055	MAGIC *mg;
		1056
		1057	if (!(sv = get_sv ("!", 1)))
		1058	return;
		1059
		1060	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1061	return;
		1062
		1063	if (mg->mg_virtual != &PL_vtbl_sv)
		1064	return;
		1065
		1066	vtbl_errno = PL_vtbl_sv;
		1067	vtbl_errno.svt_get = errno_get;
		1068	mg->mg_virtual = &vtbl_errno;
		1069	}
		1070
		1071	#if __GNUC__ >= 4
		1072	# define noinline __attribute__ ((noinline))
		1073	#else
		1074	# define noinline
		1075	#endif
		1076
		1077	static noinline SV *
		1078	pop_callback (I32 *ritems, SV *sv)
		1079	{
		1080	if (SvROK (sv))
		1081	{
		1082	HV *st;
		1083	GV *gvp;
		1084	CV *cv;
		1085	const char *name;
		1086
		1087	/* forgive me */
		1088	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1089	&& (st = SvSTASH (SvRV (sv)))
		1090	&& (name = HvNAME_get (st))
		1091	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1092	return 0;
		1093
		1094	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1095	{
		1096	--*ritems;
		1097	return (SV *)cv;
		1098	}
		1099	}
		1100
		1101	return 0;
		1102	}
		1103
		1104	/* stupid windoes defined CALLBACK as well */
		1105	#undef CALLBACK
		1106	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
909		1107
910	MODULE = BDB PACKAGE = BDB	1108	MODULE = BDB PACKAGE = BDB
911		1109
912	PROTOTYPES: ENABLE	1110	PROTOTYPES: ENABLE
913		1111
…		…
929	const_iv (INIT_TXN)	1127	const_iv (INIT_TXN)
930	const_iv (RECOVER)	1128	const_iv (RECOVER)
931	const_iv (INIT_TXN)	1129	const_iv (INIT_TXN)
932	const_iv (RECOVER_FATAL)	1130	const_iv (RECOVER_FATAL)
933	const_iv (CREATE)	1131	const_iv (CREATE)
		1132	const_iv (RDONLY)
934	const_iv (USE_ENVIRON)	1133	const_iv (USE_ENVIRON)
935	const_iv (USE_ENVIRON_ROOT)	1134	const_iv (USE_ENVIRON_ROOT)
936	const_iv (LOCKDOWN)	1135	const_iv (LOCKDOWN)
937	const_iv (PRIVATE)	1136	const_iv (PRIVATE)
938	const_iv (REGISTER)
939	const_iv (SYSTEM_MEM)	1137	const_iv (SYSTEM_MEM)
940	const_iv (AUTO_COMMIT)	1138	const_iv (AUTO_COMMIT)
941	const_iv (CDB_ALLDB)	1139	const_iv (CDB_ALLDB)
942	const_iv (DIRECT_DB)	1140	const_iv (DIRECT_DB)
943	const_iv (DIRECT_LOG)
944	const_iv (DSYNC_DB)
945	const_iv (DSYNC_LOG)
946	const_iv (LOG_AUTOREMOVE)
947	const_iv (LOG_INMEMORY)
948	const_iv (NOLOCKING)	1141	const_iv (NOLOCKING)
949	const_iv (NOMMAP)	1142	const_iv (NOMMAP)
950	const_iv (NOPANIC)	1143	const_iv (NOPANIC)
951	const_iv (OVERWRITE)	1144	const_iv (OVERWRITE)
952	const_iv (PANIC_ENVIRONMENT)	1145	const_iv (PANIC_ENVIRONMENT)
953	const_iv (REGION_INIT)	1146	const_iv (REGION_INIT)
954	const_iv (TIME_NOTGRANTED)	1147	const_iv (TIME_NOTGRANTED)
955	const_iv (TXN_NOSYNC)	1148	const_iv (TXN_NOSYNC)
		1149	const_iv (TXN_NOT_DURABLE)
956	const_iv (TXN_WRITE_NOSYNC)	1150	const_iv (TXN_WRITE_NOSYNC)
957	const_iv (WRITECURSOR)	1151	const_iv (WRITECURSOR)
958	const_iv (YIELDCPU)	1152	const_iv (YIELDCPU)
959	const_iv (ENCRYPT_AES)	1153	const_iv (ENCRYPT_AES)
960	const_iv (XA_CREATE)	1154	const_iv (XA_CREATE)
…		…
962	const_iv (HASH)	1156	const_iv (HASH)
963	const_iv (QUEUE)	1157	const_iv (QUEUE)
964	const_iv (RECNO)	1158	const_iv (RECNO)
965	const_iv (UNKNOWN)	1159	const_iv (UNKNOWN)
966	const_iv (EXCL)	1160	const_iv (EXCL)
967	const_iv (READ_COMMITTED)
968	const_iv (READ_UNCOMMITTED)
969	const_iv (TRUNCATE)	1161	const_iv (TRUNCATE)
970	const_iv (NOSYNC)	1162	const_iv (NOSYNC)
971	const_iv (CHKSUM)	1163	const_iv (CHKSUM)
972	const_iv (ENCRYPT)	1164	const_iv (ENCRYPT)
973	const_iv (TXN_NOT_DURABLE)
974	const_iv (DUP)	1165	const_iv (DUP)
975	const_iv (DUPSORT)	1166	const_iv (DUPSORT)
976	const_iv (RECNUM)	1167	const_iv (RECNUM)
977	const_iv (RENUMBER)	1168	const_iv (RENUMBER)
978	const_iv (REVSPLITOFF)	1169	const_iv (REVSPLITOFF)
979	const_iv (INORDER)
980	const_iv (CONSUME)	1170	const_iv (CONSUME)
981	const_iv (CONSUME_WAIT)	1171	const_iv (CONSUME_WAIT)
982	const_iv (GET_BOTH)	1172	const_iv (GET_BOTH)
983	const_iv (GET_BOTH_RANGE)	1173	const_iv (GET_BOTH_RANGE)
984	//const_iv (SET_RECNO)	1174	//const_iv (SET_RECNO)
985	//const_iv (MULTIPLE)	1175	//const_iv (MULTIPLE)
986	const_iv (SNAPSHOT)	1176	const_iv (SNAPSHOT)
987	const_iv (JOIN_ITEM)	1177	const_iv (JOIN_ITEM)
		1178	const_iv (JOIN_NOSORT)
988	const_iv (RMW)	1179	const_iv (RMW)
989		1180
990	const_iv (NOTFOUND)	1181	const_iv (NOTFOUND)
991	const_iv (KEYEMPTY)	1182	const_iv (KEYEMPTY)
992	const_iv (LOCK_DEADLOCK)	1183	const_iv (LOCK_DEADLOCK)
993	const_iv (LOCK_NOTGRANTED)	1184	const_iv (LOCK_NOTGRANTED)
994	const_iv (RUNRECOVERY)	1185	const_iv (RUNRECOVERY)
995	const_iv (OLD_VERSION)	1186	const_iv (OLD_VERSION)
996	const_iv (REP_HANDLE_DEAD)	1187	const_iv (REP_HANDLE_DEAD)
997	const_iv (REP_LOCKOUT)
998	const_iv (SECONDARY_BAD)	1188	const_iv (SECONDARY_BAD)
999
1000	const_iv (FREE_SPACE)
1001	const_iv (FREELIST_ONLY)
1002		1189
1003	const_iv (APPEND)	1190	const_iv (APPEND)
1004	const_iv (NODUPDATA)	1191	const_iv (NODUPDATA)
1005	const_iv (NOOVERWRITE)	1192	const_iv (NOOVERWRITE)
1006		1193
…		…
1008	const_iv (TXN_SYNC)	1195	const_iv (TXN_SYNC)
1009		1196
1010	const_iv (SET_LOCK_TIMEOUT)	1197	const_iv (SET_LOCK_TIMEOUT)
1011	const_iv (SET_TXN_TIMEOUT)	1198	const_iv (SET_TXN_TIMEOUT)
1012		1199
1013	const_iv (JOIN_ITEM)
1014	const_iv (FIRST)	1200	const_iv (FIRST)
1015	const_iv (NEXT)	1201	const_iv (NEXT)
1016	const_iv (NEXT_DUP)	1202	const_iv (NEXT_DUP)
1017	const_iv (NEXT_NODUP)	1203	const_iv (NEXT_NODUP)
1018	const_iv (PREV)	1204	const_iv (PREV)
…		…
1030	const_iv (FORCE)	1216	const_iv (FORCE)
1031		1217
1032	const_iv (LOCK_DEFAULT)	1218	const_iv (LOCK_DEFAULT)
1033	const_iv (LOCK_EXPIRE)	1219	const_iv (LOCK_EXPIRE)
1034	const_iv (LOCK_MAXLOCKS)	1220	const_iv (LOCK_MAXLOCKS)
1035	const_iv (LOCK_MAXWRITE)
1036	const_iv (LOCK_MINLOCKS)	1221	const_iv (LOCK_MINLOCKS)
1037	const_iv (LOCK_MINWRITE)	1222	const_iv (LOCK_MINWRITE)
1038	const_iv (LOCK_OLDEST)	1223	const_iv (LOCK_OLDEST)
1039	const_iv (LOCK_RANDOM)	1224	const_iv (LOCK_RANDOM)
1040	const_iv (LOCK_YOUNGEST)	1225	const_iv (LOCK_YOUNGEST)
1041		1226
1042	const_iv (SEQ_DEC)
1043	const_iv (SEQ_INC)
1044	const_iv (SEQ_WRAP)
1045
1046	const_iv (BUFFER_SMALL)
1047	const_iv (DONOTINDEX)	1227	const_iv (DONOTINDEX)
1048	const_iv (KEYEMPTY )	1228	const_iv (KEYEMPTY )
1049	const_iv (KEYEXIST )	1229	const_iv (KEYEXIST )
1050	const_iv (LOCK_DEADLOCK)	1230	const_iv (LOCK_DEADLOCK)
1051	const_iv (LOCK_NOTGRANTED)	1231	const_iv (LOCK_NOTGRANTED)
1052	const_iv (LOG_BUFFER_FULL)
1053	const_iv (NOSERVER)	1232	const_iv (NOSERVER)
1054	const_iv (NOSERVER_HOME)	1233	const_iv (NOSERVER_HOME)
1055	const_iv (NOSERVER_ID)	1234	const_iv (NOSERVER_ID)
1056	const_iv (NOTFOUND)	1235	const_iv (NOTFOUND)
1057	const_iv (OLD_VERSION)
1058	const_iv (PAGE_NOTFOUND)	1236	const_iv (PAGE_NOTFOUND)
1059	const_iv (REP_DUPMASTER)	1237	const_iv (REP_DUPMASTER)
1060	const_iv (REP_HANDLE_DEAD)	1238	const_iv (REP_HANDLE_DEAD)
1061	const_iv (REP_HOLDELECTION)	1239	const_iv (REP_HOLDELECTION)
1062	const_iv (REP_IGNORE)
1063	const_iv (REP_ISPERM)	1240	const_iv (REP_ISPERM)
1064	const_iv (REP_JOIN_FAILURE)
1065	const_iv (REP_LOCKOUT)
1066	const_iv (REP_NEWMASTER)	1241	const_iv (REP_NEWMASTER)
1067	const_iv (REP_NEWSITE)	1242	const_iv (REP_NEWSITE)
1068	const_iv (REP_NOTPERM)	1243	const_iv (REP_NOTPERM)
1069	const_iv (REP_UNAVAIL)	1244	const_iv (REP_UNAVAIL)
1070	const_iv (RUNRECOVERY)	1245	const_iv (RUNRECOVERY)
1071	const_iv (SECONDARY_BAD)	1246	const_iv (SECONDARY_BAD)
1072	const_iv (VERIFY_BAD)	1247	const_iv (VERIFY_BAD)
1073	const_iv (VERSION_MISMATCH)
1074		1248
1075	const_iv (VERB_DEADLOCK)	1249	const_iv (VERB_DEADLOCK)
1076	const_iv (VERB_RECOVERY)	1250	const_iv (VERB_RECOVERY)
1077	const_iv (VERB_REGISTER)
1078	const_iv (VERB_REPLICATION)	1251	const_iv (VERB_REPLICATION)
1079	const_iv (VERB_WAITSFOR)	1252	const_iv (VERB_WAITSFOR)
1080		1253
1081	const_iv (VERSION_MAJOR)	1254	const_iv (VERSION_MAJOR)
1082	const_iv (VERSION_MINOR)	1255	const_iv (VERSION_MINOR)
1083	const_iv (VERSION_PATCH)	1256	const_iv (VERSION_PATCH)
		1257	#if DB_VERSION_MINOR >= 3
		1258	const_iv (INORDER)
		1259	const_iv (LOCK_MAXWRITE)
		1260	const_iv (SEQ_DEC)
		1261	const_iv (SEQ_INC)
		1262	const_iv (SEQ_WRAP)
		1263	const_iv (BUFFER_SMALL)
		1264	const_iv (LOG_BUFFER_FULL)
		1265	const_iv (VERSION_MISMATCH)
		1266	#endif
		1267	#if DB_VERSION_MINOR >= 4
		1268	const_iv (REGISTER)
		1269	const_iv (DSYNC_DB)
		1270	const_iv (READ_COMMITTED)
		1271	const_iv (READ_UNCOMMITTED)
		1272	const_iv (REP_IGNORE)
		1273	const_iv (REP_LOCKOUT)
		1274	const_iv (REP_JOIN_FAILURE)
		1275	const_iv (FREE_SPACE)
		1276	const_iv (FREELIST_ONLY)
		1277	const_iv (VERB_REGISTER)
		1278	#endif
1084	#if DB_VERSION_MINOR >= 5	1279	#if DB_VERSION_MINOR >= 5
1085	const_iv (MULTIVERSION)	1280	const_iv (MULTIVERSION)
1086	const_iv (TXN_SNAPSHOT)	1281	const_iv (TXN_SNAPSHOT)
1087	#endif	1282	#endif
1088	#if DB_VERSION_MINOR >= 6	1283	#if DB_VERSION_MINOR >= 6
1089	const_iv (PREV_DUP)	1284	const_iv (PREV_DUP)
1090	# if 0
1091	const_iv (PRIORITY_UNCHANGED)	1285	const_iv (PRIORITY_UNCHANGED)
1092	const_iv (PRIORITY_VERY_LOW)	1286	const_iv (PRIORITY_VERY_LOW)
1093	const_iv (PRIORITY_LOW)	1287	const_iv (PRIORITY_LOW)
1094	const_iv (PRIORITY_DEFAULT)	1288	const_iv (PRIORITY_DEFAULT)
1095	const_iv (PRIORITY_HIGH)	1289	const_iv (PRIORITY_HIGH)
1096	const_iv (PRIORITY_VERY_HIGH)	1290	const_iv (PRIORITY_VERY_HIGH)
		1291	#endif
		1292	#if DB_VERSION_MINOR >= 7
		1293	const_iv (LOG_DIRECT)
		1294	const_iv (LOG_DSYNC)
		1295	const_iv (LOG_AUTO_REMOVE)
		1296	const_iv (LOG_IN_MEMORY)
		1297	const_iv (LOG_ZERO)
		1298	#else
		1299	const_iv (DIRECT_LOG)
		1300	const_iv (LOG_AUTOREMOVE)
		1301	# if DB_VERSION_MINOR >= 3
		1302	const_iv (DSYNC_LOG)
		1303	const_iv (LOG_INMEMORY)
1097	# endif	1304	# endif
1098	#endif	1305	#endif
1099	};	1306	};
1100		1307
1101	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1308	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1102	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1309	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1103		1310
1104	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1311	{
		1312	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1313	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1314
		1315	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1316	}
		1317
1105	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1318	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1106		1319
1107	create_pipe (respipe);	1320	create_respipe ();
1108		1321
1109	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1322	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1110	#ifdef _WIN32	1323	patch_errno ();
1111	X_MUTEX_CHECK (wrklock);
1112	X_MUTEX_CHECK (reslock);
1113	X_MUTEX_CHECK (reqlock);
1114
1115	X_COND_CHECK (reqwait);
1116	#endif
1117	}	1324	}
1118		1325
1119	void	1326	void
1120	max_poll_reqs (int nreqs)	1327	max_poll_reqs (int nreqs)
1121	PROTOTYPE: $	1328	PROTOTYPE: $
…		…
1261	CODE:	1468	CODE:
1262	RETVAL = db_strerror (errorno);	1469	RETVAL = db_strerror (errorno);
1263	OUTPUT:	1470	OUTPUT:
1264	RETVAL	1471	RETVAL
1265		1472
		1473	void _on_next_submit (SV *cb)
		1474	CODE:
		1475	SvREFCNT_dec (on_next_submit);
		1476	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1477
1266	DB_ENV *	1478	DB_ENV *
1267	db_env_create (U32 env_flags = 0)	1479	db_env_create (U32 env_flags = 0)
1268	CODE:	1480	CODE:
1269	{	1481	{
1270	errno = db_env_create (&RETVAL, env_flags);	1482	errno = db_env_create (&RETVAL, env_flags);
…		…
1279	}	1491	}
1280	OUTPUT:	1492	OUTPUT:
1281	RETVAL	1493	RETVAL
1282		1494
1283	void	1495	void
1284	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1496	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1497	PREINIT:
		1498	CALLBACK
1285	CODE:	1499	CODE:
1286	{	1500	{
1287	dREQ (REQ_ENV_OPEN);	1501	dREQ (REQ_ENV_OPEN);
1288
1289	env->set_thread_count (env, wanted + 2);
1290
1291	req->env = env;	1502	req->env = env;
1292	req->uint1 = open_flags | DB_THREAD;	1503	req->uint1 = open_flags | DB_THREAD;
1293	req->int1 = mode;	1504	req->int1 = mode;
1294	req->buf1 = strdup_ornull (db_home);	1505	req->buf1 = strdup_ornull (db_home);
1295	REQ_SEND;	1506	REQ_SEND;
1296	}	1507	}
1297		1508
1298	void	1509	void
1299	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1510	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1511	PREINIT:
		1512	CALLBACK
1300	CODE:	1513	CODE:
1301	{	1514	{
1302	dREQ (REQ_ENV_CLOSE);	1515	dREQ (REQ_ENV_CLOSE);
1303	req->env = env;	1516	req->env = env;
1304	req->uint1 = flags;	1517	req->uint1 = flags;
1305	REQ_SEND;	1518	REQ_SEND;
1306	ptr_nuke (ST (0));	1519	ptr_nuke (ST (0));
1307	}	1520	}
1308		1521
1309	void	1522	void
1310	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1523	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1524	PREINIT:
		1525	CALLBACK
1311	CODE:	1526	CODE:
1312	{	1527	{
1313	dREQ (REQ_ENV_TXN_CHECKPOINT);	1528	dREQ (REQ_ENV_TXN_CHECKPOINT);
1314	req->env = env;	1529	req->env = env;
1315	req->uint1 = kbyte;	1530	req->uint1 = kbyte;
…		…
1317	req->uint2 = flags;	1532	req->uint2 = flags;
1318	REQ_SEND;	1533	REQ_SEND;
1319	}	1534	}
1320		1535
1321	void	1536	void
1322	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1537	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1538	PREINIT:
		1539	CALLBACK
1323	CODE:	1540	CODE:
1324	{	1541	{
1325	dREQ (REQ_ENV_LOCK_DETECT);	1542	dREQ (REQ_ENV_LOCK_DETECT);
1326	req->env = env;	1543	req->env = env;
1327	req->uint1 = flags;	1544	req->uint1 = flags;
1328	req->uint2 = atype;	1545	req->uint2 = atype;
		1546	/* req->int2 = 0; dummy */
1329	REQ_SEND;	1547	REQ_SEND;
1330	}	1548	}
1331		1549
1332	void	1550	void
1333	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1551	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1552	PREINIT:
		1553	CALLBACK
1334	CODE:	1554	CODE:
1335	{	1555	{
1336	dREQ (REQ_ENV_MEMP_SYNC);	1556	dREQ (REQ_ENV_MEMP_SYNC);
1337	req->env = env;	1557	req->env = env;
1338	REQ_SEND;	1558	REQ_SEND;
1339	}	1559	}
1340		1560
1341	void	1561	void
1342	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1562	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1563	PREINIT:
		1564	CALLBACK
1343	CODE:	1565	CODE:
1344	{	1566	{
1345	dREQ (REQ_ENV_MEMP_TRICKLE);	1567	dREQ (REQ_ENV_MEMP_TRICKLE);
1346	req->env = env;	1568	req->env = env;
1347	req->int1 = percent;	1569	req->int1 = percent;
1348	REQ_SEND;	1570	REQ_SEND;
1349	}	1571	}
1350		1572
		1573	void
		1574	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
		1577	CODE:
		1578	{
		1579	dREQ (REQ_ENV_DBREMOVE);
		1580	req->env = env;
		1581	req->buf1 = strdup_ornull (file);
		1582	req->buf2 = strdup_ornull (database);
		1583	req->uint1 = flags;
		1584	REQ_SEND;
		1585	}
		1586
		1587	void
		1588	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)
		1589	PREINIT:
		1590	CALLBACK
		1591	CODE:
		1592	{
		1593	dREQ (REQ_ENV_DBRENAME);
		1594	req->env = env;
		1595	req->buf1 = strdup_ornull (file);
		1596	req->buf2 = strdup_ornull (database);
		1597	req->buf3 = strdup_ornull (newname);
		1598	req->uint1 = flags;
		1599	REQ_SEND;
		1600	}
1351		1601
1352	DB *	1602	DB *
1353	db_create (DB_ENV *env = 0, U32 flags = 0)	1603	db_create (DB_ENV *env = 0, U32 flags = 0)
1354	CODE:	1604	CODE:
1355	{	1605	{
…		…
1362	}	1612	}
1363	OUTPUT:	1613	OUTPUT:
1364	RETVAL	1614	RETVAL
1365		1615
1366	void	1616	void
1367	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1617	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
1368	CODE:	1620	CODE:
1369	{	1621	{
1370	dREQ (REQ_DB_OPEN);	1622	dREQ (REQ_DB_OPEN);
1371	req->db = db;	1623	req->db = db;
1372	req->txn = txnid;	1624	req->txn = txnid;
…		…
1377	req->int2 = mode;	1629	req->int2 = mode;
1378	REQ_SEND;	1630	REQ_SEND;
1379	}	1631	}
1380		1632
1381	void	1633	void
1382	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1634	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1635	PREINIT:
		1636	CALLBACK
1383	CODE:	1637	CODE:
1384	{	1638	{
1385	dREQ (REQ_DB_CLOSE);	1639	dREQ (REQ_DB_CLOSE);
1386	req->db = db;	1640	req->db = db;
1387	req->uint1 = flags;	1641	req->uint1 = flags;
1388	req->sv1 = (SV *)db->app_private;	1642	req->sv1 = (SV *)db->app_private;
1389	REQ_SEND;	1643	REQ_SEND;
1390	ptr_nuke (ST (0));	1644	ptr_nuke (ST (0));
1391	}	1645	}
1392		1646
		1647	#if DB_VERSION_MINOR >= 4
		1648
1393	void	1649	void
1394	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)	1650	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)
		1651	PREINIT:
		1652	CALLBACK
1395	CODE:	1653	CODE:
1396	{	1654	{
1397	dREQ (REQ_DB_COMPACT);	1655	dREQ (REQ_DB_COMPACT);
1398	req->db = db;	1656	req->db = db;
1399	req->txn = txn;	1657	req->txn = txn;
…		…
1401	sv_to_dbt (&req->dbt2, stop);	1659	sv_to_dbt (&req->dbt2, stop);
1402	req->uint1 = flags;	1660	req->uint1 = flags;
1403	REQ_SEND;	1661	REQ_SEND;
1404	}	1662	}
1405		1663
		1664	#endif
		1665
1406	void	1666	void
1407	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1667	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1668	PREINIT:
		1669	CALLBACK
1408	CODE:	1670	CODE:
1409	{	1671	{
1410	dREQ (REQ_DB_SYNC);	1672	dREQ (REQ_DB_SYNC);
1411	req->db = db;	1673	req->db = db;
1412	req->uint1 = flags;	1674	req->uint1 = flags;
1413	REQ_SEND;	1675	REQ_SEND;
1414	}	1676	}
1415		1677
1416	void	1678	void
		1679	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
		1682	CODE:
		1683	{
		1684	dREQ (REQ_DB_SYNC);
		1685	req->db = db;
		1686	req->buf1 = strdup (file);
		1687	req->uint1 = flags;
		1688	REQ_SEND;
		1689	}
		1690
		1691	void
1417	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1692	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
1418	CODE:	1695	CODE:
1419	{	1696	{
1420	dREQ (REQ_DB_KEY_RANGE);	1697	dREQ (REQ_DB_KEY_RANGE);
1421	req->db = db;	1698	req->db = db;
1422	req->txn = txn;	1699	req->txn = txn;
…		…
1425	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1702	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1426	REQ_SEND;	1703	REQ_SEND;
1427	}	1704	}
1428		1705
1429	void	1706	void
1430	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1431	CODE:	1710	CODE:
1432	{	1711	{
1433	dREQ (REQ_DB_PUT);	1712	dREQ (REQ_DB_PUT);
1434	req->db = db;	1713	req->db = db;
1435	req->txn = txn;	1714	req->txn = txn;
…		…
1437	sv_to_dbt (&req->dbt2, data);	1716	sv_to_dbt (&req->dbt2, data);
1438	req->uint1 = flags;	1717	req->uint1 = flags;
1439	REQ_SEND;	1718	REQ_SEND;
1440	}	1719	}
1441		1720
		1721	#if DB_VERSION_MINOR >= 6
		1722
1442	void	1723	void
		1724	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1725	PREINIT:
		1726	CALLBACK
		1727	CODE:
		1728	{
		1729	dREQ (REQ_DB_EXISTS);
		1730	req->db = db;
		1731	req->txn = txn;
		1732	req->uint1 = flags;
		1733	sv_to_dbt (&req->dbt1, key);
		1734	REQ_SEND;
		1735	}
		1736
		1737	#endif
		1738
		1739	void
1443	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1740	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1741	PREINIT:
		1742	CALLBACK
1444	CODE:	1743	CODE:
		1744	if (SvREADONLY (data))
		1745	croak ("can't modify read-only data scalar in db_get");
1445	{	1746	{
1446	dREQ (REQ_DB_GET);	1747	dREQ (REQ_DB_GET);
1447	req->db = db;	1748	req->db = db;
1448	req->txn = txn;	1749	req->txn = txn;
1449	req->uint1 = flags;	1750	req->uint1 = flags;
…		…
1452	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1753	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1453	REQ_SEND;	1754	REQ_SEND;
1454	}	1755	}
1455		1756
1456	void	1757	void
1457	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1758	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1759	PREINIT:
		1760	CALLBACK
1458	CODE:	1761	CODE:
		1762	if (SvREADONLY (data))
		1763	croak ("can't modify read-only data scalar in db_pget");
1459	{	1764	{
1460	dREQ (REQ_DB_PGET);	1765	dREQ (REQ_DB_PGET);
1461	req->db = db;	1766	req->db = db;
1462	req->txn = txn;	1767	req->txn = txn;
1463	req->uint1 = flags;	1768	req->uint1 = flags;
…		…
1467	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1772	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1468	REQ_SEND;	1773	REQ_SEND;
1469	}	1774	}
1470		1775
1471	void	1776	void
1472	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1777	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1778	PREINIT:
		1779	CALLBACK
1473	CODE:	1780	CODE:
1474	{	1781	{
1475	dREQ (REQ_DB_DEL);	1782	dREQ (REQ_DB_DEL);
1476	req->db = db;	1783	req->db = db;
1477	req->txn = txn;	1784	req->txn = txn;
…		…
1479	sv_to_dbt (&req->dbt1, key);	1786	sv_to_dbt (&req->dbt1, key);
1480	REQ_SEND;	1787	REQ_SEND;
1481	}	1788	}
1482		1789
1483	void	1790	void
1484	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1791	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1792	PREINIT:
		1793	CALLBACK
1485	CODE:	1794	CODE:
1486	{	1795	{
1487	dREQ (REQ_TXN_COMMIT);	1796	dREQ (REQ_TXN_COMMIT);
1488	req->txn = txn;	1797	req->txn = txn;
1489	req->uint1 = flags;	1798	req->uint1 = flags;
1490	REQ_SEND;	1799	REQ_SEND;
1491	ptr_nuke (ST (0));	1800	ptr_nuke (ST (0));
1492	}	1801	}
1493		1802
1494	void	1803	void
1495	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1804	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1805	PREINIT:
		1806	CALLBACK
1496	CODE:	1807	CODE:
1497	{	1808	{
1498	dREQ (REQ_TXN_ABORT);	1809	dREQ (REQ_TXN_ABORT);
1499	req->txn = txn;	1810	req->txn = txn;
1500	REQ_SEND;	1811	REQ_SEND;
1501	ptr_nuke (ST (0));	1812	ptr_nuke (ST (0));
1502	}	1813	}
1503		1814
1504	void	1815	void
		1816	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
		1819	CODE:
		1820	{
		1821	dREQ (REQ_TXN_FINISH);
		1822	req->txn = txn;
		1823	req->uint1 = flags;
		1824	REQ_SEND;
		1825	ptr_nuke (ST (0));
		1826	}
		1827
		1828	void
1505	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1829	db_c_close (DBC *dbc, SV *callback = 0)
		1830	PREINIT:
		1831	CALLBACK
1506	CODE:	1832	CODE:
1507	{	1833	{
1508	dREQ (REQ_C_CLOSE);	1834	dREQ (REQ_C_CLOSE);
1509	req->dbc = dbc;	1835	req->dbc = dbc;
1510	REQ_SEND;	1836	REQ_SEND;
1511	ptr_nuke (ST (0));	1837	ptr_nuke (ST (0));
1512	}	1838	}
1513		1839
1514	void	1840	void
1515	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1841	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
1516	CODE:	1844	CODE:
1517	{	1845	{
1518	dREQ (REQ_C_COUNT);	1846	dREQ (REQ_C_COUNT);
1519	req->dbc = dbc;	1847	req->dbc = dbc;
1520	req->sv1 = SvREFCNT_inc (count);	1848	req->sv1 = SvREFCNT_inc (count);
1521	REQ_SEND;	1849	REQ_SEND;
1522	}	1850	}
1523		1851
1524	void	1852	void
1525	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1853	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
1526	CODE:	1856	CODE:
1527	{	1857	{
1528	dREQ (REQ_C_PUT);	1858	dREQ (REQ_C_PUT);
1529	req->dbc = dbc;	1859	req->dbc = dbc;
1530	sv_to_dbt (&req->dbt1, key);	1860	sv_to_dbt (&req->dbt1, key);
…		…
1532	req->uint1 = flags;	1862	req->uint1 = flags;
1533	REQ_SEND;	1863	REQ_SEND;
1534	}	1864	}
1535		1865
1536	void	1866	void
1537	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1867	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1868	PREINIT:
		1869	CALLBACK
1538	CODE:	1870	CODE:
1539	{	1871	{
1540	dREQ (REQ_C_GET);	1872	dREQ (REQ_C_GET);
1541	req->dbc = dbc;	1873	req->dbc = dbc;
1542	req->uint1 = flags;	1874	req->uint1 = flags;
…		…
1557	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1889	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1558	REQ_SEND;	1890	REQ_SEND;
1559	}	1891	}
1560		1892
1561	void	1893	void
1562	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1894	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1895	PREINIT:
		1896	CALLBACK
1563	CODE:	1897	CODE:
1564	{	1898	{
1565	dREQ (REQ_C_PGET);	1899	dREQ (REQ_C_PGET);
1566	req->dbc = dbc;	1900	req->dbc = dbc;
1567	req->uint1 = flags;	1901	req->uint1 = flags;
…		…
1585	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1919	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1586	REQ_SEND;	1920	REQ_SEND;
1587	}	1921	}
1588		1922
1589	void	1923	void
1590	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1924	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1925	PREINIT:
		1926	CALLBACK
1591	CODE:	1927	CODE:
1592	{	1928	{
1593	dREQ (REQ_C_DEL);	1929	dREQ (REQ_C_DEL);
1594	req->dbc = dbc;	1930	req->dbc = dbc;
1595	req->uint1 = flags;	1931	req->uint1 = flags;
1596	REQ_SEND;	1932	REQ_SEND;
1597	}	1933	}
1598		1934
1599		1935
		1936	#if DB_VERSION_MINOR >= 3
		1937
1600	void	1938	void
1601	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1939	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1940	PREINIT:
		1941	CALLBACK
1602	CODE:	1942	CODE:
1603	{	1943	{
1604	dREQ (REQ_SEQ_OPEN);	1944	dREQ (REQ_SEQ_OPEN);
1605	req->seq = seq;	1945	req->seq = seq;
1606	req->txn = txnid;	1946	req->txn = txnid;
…		…
1608	sv_to_dbt (&req->dbt1, key);	1948	sv_to_dbt (&req->dbt1, key);
1609	REQ_SEND;	1949	REQ_SEND;
1610	}	1950	}
1611		1951
1612	void	1952	void
1613	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1953	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1954	PREINIT:
		1955	CALLBACK
1614	CODE:	1956	CODE:
1615	{	1957	{
1616	dREQ (REQ_SEQ_CLOSE);	1958	dREQ (REQ_SEQ_CLOSE);
1617	req->seq = seq;	1959	req->seq = seq;
1618	req->uint1 = flags;	1960	req->uint1 = flags;
1619	REQ_SEND;	1961	REQ_SEND;
1620	ptr_nuke (ST (0));	1962	ptr_nuke (ST (0));
1621	}	1963	}
1622		1964
1623	void	1965	void
1624	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)	1966	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1967	PREINIT:
		1968	CALLBACK
1625	CODE:	1969	CODE:
1626	{	1970	{
1627	dREQ (REQ_SEQ_GET);	1971	dREQ (REQ_SEQ_GET);
1628	req->seq = seq;	1972	req->seq = seq;
1629	req->txn = txnid;	1973	req->txn = txnid;
…		…
1632	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1976	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1633	REQ_SEND;	1977	REQ_SEND;
1634	}	1978	}
1635		1979
1636	void	1980	void
1637	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1981	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1982	PREINIT:
		1983	CALLBACK
1638	CODE:	1984	CODE:
1639	{	1985	{
1640	dREQ (REQ_SEQ_REMOVE);	1986	dREQ (REQ_SEQ_REMOVE);
1641	req->seq = seq;	1987	req->seq = seq;
1642	req->txn = txnid;	1988	req->txn = txnid;
1643	req->uint1 = flags;	1989	req->uint1 = flags;
1644	REQ_SEND;	1990	REQ_SEND;
1645	}	1991	}
1646		1992
		1993	#endif
		1994
1647		1995
1648	MODULE = BDB PACKAGE = BDB::Env	1996	MODULE = BDB PACKAGE = BDB::Env
1649		1997
1650	void	1998	void
1651	DESTROY (DB_ENV_ornull *env)	1999	DESTROY (DB_ENV_ornuked *env)
1652	CODE:	2000	CODE:
1653	if (env)	2001	if (env)
1654	env->close (env, 0);	2002	env->close (env, 0);
1655		2003
1656	int set_data_dir (DB_ENV *env, const char *dir)	2004	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1681	CODE:	2029	CODE:
1682	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2030	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1683	OUTPUT:	2031	OUTPUT:
1684	RETVAL	2032	RETVAL
1685		2033
1686	int set_flags (DB_ENV *env, U32 flags, int onoff)	2034	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1687	CODE:	2035	CODE:
1688	RETVAL = env->set_flags (env, flags, onoff);	2036	RETVAL = env->set_flags (env, flags, onoff);
1689	OUTPUT:	2037	OUTPUT:
1690	RETVAL	2038	RETVAL
1691		2039
		2040	#if DB_VERSION_MINOR >= 7
		2041
		2042	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2043	CODE:
		2044	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2045	OUTPUT:
		2046	RETVAL
		2047
		2048	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2049	CODE:
		2050	RETVAL = env->log_set_config (env, flags, onoff);
		2051	OUTPUT:
		2052	RETVAL
		2053
		2054	#endif
		2055
		2056
1692	void set_errfile (DB_ENV *env, FILE *errfile = 0)	2057	void set_errfile (DB_ENV *env, FILE *errfile = 0)
1693	CODE:	2058	CODE:
1694	env->set_errfile (env, errfile);	2059	env->set_errfile (env, errfile);
1695		2060
1696	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)	2061	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1697	CODE:	2062	CODE:
1698	env->set_msgfile (env, msgfile);	2063	env->set_msgfile (env, msgfile);
1699		2064
1700	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2065	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1701	CODE:	2066	CODE:
1702	RETVAL = env->set_verbose (env, which, onoff);	2067	RETVAL = env->set_verbose (env, which, onoff);
1703	OUTPUT:	2068	OUTPUT:
1704	RETVAL	2069	RETVAL
1705		2070
…		…
1707	CODE:	2072	CODE:
1708	RETVAL = env->set_encrypt (env, password, flags);	2073	RETVAL = env->set_encrypt (env, password, flags);
1709	OUTPUT:	2074	OUTPUT:
1710	RETVAL	2075	RETVAL
1711		2076
1712	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2077	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1713	CODE:	2078	CODE:
1714	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2079	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1715	OUTPUT:	2080	OUTPUT:
1716	RETVAL	2081	RETVAL
1717		2082
…		…
1766	int set_lg_max (DB_ENV *env, U32 max)	2131	int set_lg_max (DB_ENV *env, U32 max)
1767	CODE:	2132	CODE:
1768	RETVAL = env->set_lg_max (env, max);	2133	RETVAL = env->set_lg_max (env, max);
1769	OUTPUT:	2134	OUTPUT:
1770	RETVAL	2135	RETVAL
		2136
		2137	#if DB_VERSION_MINOR >= 4
		2138
		2139	int mutex_set_max (DB_ENV *env, U32 max)
		2140	CODE:
		2141	RETVAL = env->mutex_set_max (env, max);
		2142	OUTPUT:
		2143	RETVAL
		2144
		2145	int mutex_set_increment (DB_ENV *env, U32 increment)
		2146	CODE:
		2147	RETVAL = env->mutex_set_increment (env, increment);
		2148	OUTPUT:
		2149	RETVAL
		2150
		2151	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2152	CODE:
		2153	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_align (DB_ENV *env, U32 align)
		2158	CODE:
		2159	RETVAL = env->mutex_set_align (env, align);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	#endif
1771		2164
1772	DB_TXN *	2165	DB_TXN *
1773	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2166	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1774	CODE:	2167	CODE:
1775	errno = env->txn_begin (env, parent, &RETVAL, flags);	2168	errno = env->txn_begin (env, parent, &RETVAL, flags);
1776	if (errno)	2169	if (errno)
1777	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2170	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1778	OUTPUT:	2171	OUTPUT:
1779	RETVAL	2172	RETVAL
1780		2173
		2174	#if DB_VERSION_MINOR >= 5
		2175
		2176	DB_TXN *
		2177	cdsgroup_begin (DB_ENV *env)
		2178	CODE:
		2179	errno = env->cdsgroup_begin (env, &RETVAL);
		2180	if (errno)
		2181	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
		2186
1781	MODULE = BDB PACKAGE = BDB::Db	2187	MODULE = BDB PACKAGE = BDB::Db
1782		2188
1783	void	2189	void
1784	DESTROY (DB_ornull *db)	2190	DESTROY (DB_ornuked *db)
1785	CODE:	2191	CODE:
1786	if (db)	2192	if (db)
1787	{	2193	{
1788	SV *env = (SV *)db->app_private;	2194	SV *env = (SV *)db->app_private;
1789	db->close (db, 0);	2195	db->close (db, 0);
…		…
1869	if (errno)	2275	if (errno)
1870	croak ("DB->cursor: %s", db_strerror (errno));	2276	croak ("DB->cursor: %s", db_strerror (errno));
1871	OUTPUT:	2277	OUTPUT:
1872	RETVAL	2278	RETVAL
1873		2279
		2280	#if DB_VERSION_MINOR >= 3
		2281
1874	DB_SEQUENCE *	2282	DB_SEQUENCE *
1875	sequence (DB *db, U32 flags = 0)	2283	sequence (DB *db, U32 flags = 0)
1876	CODE:	2284	CODE:
1877	{	2285	{
1878	errno = db_sequence_create (&RETVAL, db, flags);	2286	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1880	croak ("db_sequence_create: %s", db_strerror (errno));	2288	croak ("db_sequence_create: %s", db_strerror (errno));
1881	}	2289	}
1882	OUTPUT:	2290	OUTPUT:
1883	RETVAL	2291	RETVAL
1884		2292
		2293	#endif
		2294
1885		2295
1886	MODULE = BDB PACKAGE = BDB::Txn	2296	MODULE = BDB PACKAGE = BDB::Txn
1887		2297
1888	void	2298	void
1889	DESTROY (DB_TXN_ornull *txn)	2299	DESTROY (DB_TXN_ornuked *txn)
1890	CODE:	2300	CODE:
1891	if (txn)	2301	if (txn)
1892	txn->abort (txn);	2302	txn->abort (txn);
1893		2303
1894	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2304	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1895	CODE:	2305	CODE:
1896	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2306	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1897	OUTPUT:	2307	OUTPUT:
1898	RETVAL	2308	RETVAL
1899		2309
		2310	int failed (DB_TXN *txn)
		2311	CODE:
		2312	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2313	OUTPUT:
		2314	RETVAL
		2315
1900		2316
1901	MODULE = BDB PACKAGE = BDB::Cursor	2317	MODULE = BDB PACKAGE = BDB::Cursor
1902		2318
1903	void	2319	void
1904	DESTROY (DBC_ornull *dbc)	2320	DESTROY (DBC_ornuked *dbc)
1905	CODE:	2321	CODE:
1906	if (dbc)	2322	if (dbc)
1907	dbc->c_close (dbc);	2323	dbc->c_close (dbc);
1908		2324
		2325	#if DB_VERSION_MINOR >= 6
		2326
		2327	int set_priority (DBC *dbc, int priority)
		2328	CODE:
		2329	dbc->set_priority (dbc, priority);
		2330
		2331	#endif
		2332
		2333	#if DB_VERSION_MINOR >= 3
		2334
1909	MODULE = BDB PACKAGE = BDB::Sequence	2335	MODULE = BDB PACKAGE = BDB::Sequence
1910		2336
1911	void	2337	void
1912	DESTROY (DB_SEQUENCE_ornull *seq)	2338	DESTROY (DB_SEQUENCE_ornuked *seq)
1913	CODE:	2339	CODE:
1914	if (seq)	2340	if (seq)
1915	seq->close (seq, 0);	2341	seq->close (seq, 0);
1916		2342
1917	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2343	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1936	CODE:	2362	CODE:
1937	RETVAL = seq->set_range (seq, min, max);	2363	RETVAL = seq->set_range (seq, min, max);
1938	OUTPUT:	2364	OUTPUT:
1939	RETVAL	2365	RETVAL
1940		2366
		2367	#endif
		2368
		2369

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