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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 1.77 by root, Mon Dec 26 01:46:33 2011 UTC

		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
6	#include "perl.h"	8	#include "perl.h"
7	#include "XSUB.h"	9	#include "XSUB.h"
8		10
		11	#include "schmorp.h"
		12
9	// perl stupidly defines these as macros, breaking	13	// perl stupidly defines these as argument-less macros, breaking
10	// lots and lots of code.	14	// lots and lots of code.
11	#undef open	15	#undef open
12	#undef close	16	#undef close
13	#undef abort	17	#undef abort
14	#undef malloc	18	#undef malloc
…		…
27	# include <unistd.h>	31	# include <unistd.h>
28	#endif	32	#endif
29		33
30	#include <db.h>	34	#include <db.h>
31		35
32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	36	#define DBVER DB_VERSION_MAJOR * 100 + DB_VERSION_MINOR
		37
		38	#if DBVER < 403
33	# error you need Berkeley DB 4.4 or newer installed	39	# error you need Berkeley DB 4.3 or a newer version installed
34	#endif	40	#endif
35		41
36	/* number of seconds after which idle threads exit */	42	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	43	#define IDLE_TIMEOUT 10
		44
		45	typedef SV SV_mutable;
38		46
39	typedef DB_ENV DB_ENV_ornull;	47	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	48	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	49	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	50	typedef DB DB_ornull;
		51
		52	typedef DB_ENV DB_ENV_ornuked;
		53	typedef DB_TXN DB_TXN_ornuked;
		54	typedef DBC DBC_ornuked;
		55	typedef DB DB_ornuked;
		56
		57	#if DBVER >= 403
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	58	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		59	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		60	#endif
44		61
45	typedef SV SV8; /* byte-sv, used for argument-checking */	62	typedef char *bdb_filename;
46	typedef char *octetstring;
47		63
48	static SV *prepare_cb;	64	static SV *prepare_cb;
49		65
50	#if DB_VERSION_MINOR >= 6	66	static HV
		67	*bdb_stash,
		68	*bdb_env_stash,
		69	*bdb_txn_stash,
		70	*bdb_cursor_stash,
		71	*bdb_db_stash,
		72	*bdb_sequence_stash;
		73
		74	#if DBVER >= 406
51	# define c_close close	75	# define c_close close
52	# define c_count count	76	# define c_count count
53	# define c_del del	77	# define c_del del
54	# define c_dup dup	78	# define c_dup dup
55	# define c_get get	79	# define c_get get
56	# define c_pget pget	80	# define c_pget pget
57	# define c_put put	81	# define c_put put
58	#endif	82	#endif
59		83
		84	static char *
		85	get_bdb_filename (SV *sv)
		86	{
		87	if (!SvOK (sv))
		88	return 0;
		89
		90	#if _WIN32
		91	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		92	{
		93	STRLEN len;
		94	char *src = SvPVbyte (sv, len);
		95	SV *t1 = sv_newmortal ();
		96	SV *t2 = sv_newmortal ();
		97
		98	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		99	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		100
		101	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		102	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		103	SvPOK_only (t2);
		104	SvPVX (t2)[len] = 0;
		105	SvCUR_set (t2, len);
		106
		107	return SvPVX (t2);
		108	}
		109	#else
		110	return SvPVbyte_nolen (sv);
		111	#endif
		112	}
		113
60	static void	114	static void
61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)	115	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62	{	116	{
63	printf ("err[%s]\n", msg);	117	printf ("err[%s]\n", msg);
64	}	118	}
…		…
91	dbt_to_sv (SV *sv, DBT *dbt)	145	dbt_to_sv (SV *sv, DBT *dbt)
92	{	146	{
93	if (sv)	147	if (sv)
94	{	148	{
95	SvREADONLY_off (sv);	149	SvREADONLY_off (sv);
		150
		151	if (dbt->data)
96	sv_setpvn_mg (sv, dbt->data, dbt->size);	152	sv_setpvn_mg (sv, dbt->data, dbt->size);
		153	else
		154	sv_setsv_mg (sv, &PL_sv_undef);
		155
97	SvREFCNT_dec (sv);	156	SvREFCNT_dec (sv);
98	}	157	}
99		158
100	free (dbt->data);	159	free (dbt->data);
101	}	160	}
102		161
103	enum {	162	enum {
104	REQ_QUIT,	163	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	164	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	165	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		166	REQ_ENV_LOG_ARCHIVE,
107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	167	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	168	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,	169	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,	170	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,	171	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	172	};
113		173
114	typedef struct aio_cb	174	typedef struct bdb_cb
115	{	175	{
116	struct aio_cb *volatile next;	176	struct bdb_cb *volatile next;
117	SV *callback;	177	SV *callback;
118	int type, pri, result;	178	int type, pri, result;
119		179
120	DB_ENV *env;	180	DB_ENV *env;
121	DB *db;	181	DB *db;
…		…
123	DBC *dbc;	183	DBC *dbc;
124		184
125	UV uv1;	185	UV uv1;
126	int int1, int2;	186	int int1, int2;
127	U32 uint1, uint2;	187	U32 uint1, uint2;
128	char *buf1, *buf2;	188	char *buf1, *buf2, *buf3;
129	SV *sv1, *sv2, *sv3;	189	SV *sv1, *sv2, *sv3;
130		190
131	DBT dbt1, dbt2, dbt3;	191	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	192	DB_KEY_RANGE key_range;
		193	#if DBVER >= 403
133	DB_SEQUENCE *seq;	194	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	195	db_seq_t seq_t;
135	} aio_cb;	196	#endif
136		197
		198	SV *rsv1, *rsv2; // keep some request objects alive
		199	} bdb_cb;
		200
137	typedef aio_cb *aio_req;	201	typedef bdb_cb *bdb_req;
138		202
139	enum {	203	enum {
140	PRI_MIN = -4,	204	PRI_MIN = -4,
141	PRI_MAX = 4,	205	PRI_MAX = 4,
142		206
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	209	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	210	};
147		211
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	212	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		213
		214	static SV *on_next_submit;
		215
150	static unsigned int max_poll_time = 0;	216	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	217	static unsigned int max_poll_reqs = 0;
152		218
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	219	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	220	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
160	static int next_pri = DEFAULT_PRI + PRI_BIAS;	226	static int next_pri = DEFAULT_PRI + PRI_BIAS;
161		227
162	static unsigned int started, idle, wanted;	228	static unsigned int started, idle, wanted;
163		229
164	/* worker threads management */	230	/* worker threads management */
165	static mutex_t wrklock = X_MUTEX_INIT;	231	static xmutex_t wrklock = X_MUTEX_INIT;
166		232
167	typedef struct worker {	233	typedef struct worker {
168	/* locked by wrklock */	234	/* locked by wrklock */
169	struct worker *prev, *next;	235	struct worker *prev, *next;
170		236
171	thread_t tid;	237	xthread_t tid;
172		238
173	/* locked by reslock, reqlock or wrklock */	239	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	240	bdb_req req; /* currently processed request */
175	void *dbuf;	241	void *dbuf;
176	DIR *dirp;	242	DIR *dirp;
177	} worker;	243	} worker;
178		244
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	245	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
191	}	257	}
192		258
193	static volatile unsigned int nreqs, nready, npending;	259	static volatile unsigned int nreqs, nready, npending;
194	static volatile unsigned int max_idle = 4;	260	static volatile unsigned int max_idle = 4;
195	static volatile unsigned int max_outstanding = 0xffffffff;	261	static volatile unsigned int max_outstanding = 0xffffffff;
196	static int respipe [2], respipe_osf [2];	262	static s_epipe respipe;
197		263
198	static mutex_t reslock = X_MUTEX_INIT;	264	static xmutex_t reslock = X_MUTEX_INIT;
199	static mutex_t reqlock = X_MUTEX_INIT;	265	static xmutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	266	static xcond_t reqwait = X_COND_INIT;
201		267
202	#if WORDACCESS_UNSAFE	268	#if WORDACCESS_UNSAFE
203		269
204	static unsigned int get_nready ()	270	static unsigned int get_nready (void)
205	{	271	{
206	unsigned int retval;	272	unsigned int retval;
207		273
208	X_LOCK (reqlock);	274	X_LOCK (reqlock);
209	retval = nready;	275	retval = nready;
210	X_UNLOCK (reqlock);	276	X_UNLOCK (reqlock);
211		277
212	return retval;	278	return retval;
213	}	279	}
214		280
215	static unsigned int get_npending ()	281	static unsigned int get_npending (void)
216	{	282	{
217	unsigned int retval;	283	unsigned int retval;
218		284
219	X_LOCK (reslock);	285	X_LOCK (reslock);
220	retval = npending;	286	retval = npending;
221	X_UNLOCK (reslock);	287	X_UNLOCK (reslock);
222		288
223	return retval;	289	return retval;
224	}	290	}
225		291
226	static unsigned int get_nthreads ()	292	static unsigned int get_nthreads (void)
227	{	293	{
228	unsigned int retval;	294	unsigned int retval;
229		295
230	X_LOCK (wrklock);	296	X_LOCK (wrklock);
231	retval = started;	297	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	312	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	313	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	314	* per shift, the most expensive operation.
249	*/	315	*/
250	typedef struct {	316	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	317	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	318	int size;
253	} reqq;	319	} reqq;
254		320
255	static reqq req_queue;	321	static reqq req_queue;
256	static reqq res_queue;	322	static reqq res_queue;
257		323
258	int reqq_push (reqq *q, aio_req req)	324	int reqq_push (reqq *q, bdb_req req)
259	{	325	{
260	int pri = req->pri;	326	int pri = req->pri;
261	req->next = 0;	327	req->next = 0;
262		328
263	if (q->qe[pri])	329	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	335	q->qe[pri] = q->qs[pri] = req;
270		336
271	return q->size++;	337	return q->size++;
272	}	338	}
273		339
274	aio_req reqq_shift (reqq *q)	340	bdb_req reqq_shift (reqq *q)
275	{	341	{
276	int pri;	342	int pri;
277		343
278	if (!q->size)	344	if (!q->size)
279	return 0;	345	return 0;
280		346
281	--q->size;	347	--q->size;
282		348
283	for (pri = NUM_PRI; pri--; )	349	for (pri = NUM_PRI; pri--; )
284	{	350	{
285	aio_req req = q->qs[pri];	351	bdb_req req = q->qs[pri];
286		352
287	if (req)	353	if (req)
288	{	354	{
289	if (!(q->qs[pri] = req->next))	355	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	356	q->qe[pri] = 0;
…		…
294	}	360	}
295		361
296	abort ();	362	abort ();
297	}	363	}
298		364
299	static int poll_cb ();	365	static int poll_cb (void);
300	static void req_free (aio_req req);	366	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);
302		367
303	static int req_invoke (aio_req req)	368	static int req_invoke (bdb_req req)
304	{	369	{
305	dSP;	370	switch (req->type)
306
307	if (SvOK (req->callback))
308	{	371	{
		372	case REQ_DB_CLOSE:
		373	SvREFCNT_dec (req->sv1);
		374	break;
		375
		376	case REQ_DB_GET:
		377	case REQ_DB_PGET:
		378	case REQ_C_GET:
		379	case REQ_C_PGET:
		380	case REQ_DB_PUT:
		381	case REQ_C_PUT:
		382	dbt_to_sv (req->sv1, &req->dbt1);
		383	dbt_to_sv (req->sv2, &req->dbt2);
		384	dbt_to_sv (req->sv3, &req->dbt3);
		385	break;
		386
		387	case REQ_DB_KEY_RANGE:
		388	{
		389	AV *av = newAV ();
		390
		391	av_push (av, newSVnv (req->key_range.less));
		392	av_push (av, newSVnv (req->key_range.equal));
		393	av_push (av, newSVnv (req->key_range.greater));
		394
		395	av = (AV *)newRV_noinc ((SV *)av);
		396
		397	SvREADONLY_off (req->sv1);
		398	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		399	SvREFCNT_dec (av);
		400	SvREFCNT_dec (req->sv1);
		401	}
		402	break;
		403
		404	#if DBVER >= 403
		405	case REQ_SEQ_GET:
		406	SvREADONLY_off (req->sv1);
		407
		408	if (sizeof (IV) > 4)
		409	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		410	else
		411	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		412
		413	SvREFCNT_dec (req->sv1);
		414	break;
		415	#endif
		416
		417	case REQ_ENV_LOG_ARCHIVE:
		418	{
		419	AV *av = newAV ();
		420	char **listp = (char **)req->buf1;
		421
		422	if (listp)
		423	while (*listp)
		424	av_push (av, newSVpv (*listp, 0)), ++listp;
		425
		426	av = (AV *)newRV_noinc ((SV *)av);
		427
		428	SvREADONLY_off (req->sv1);
		429	sv_setsv_mg (req->sv1, (SV *)av);
		430	SvREFCNT_dec (av);
		431	SvREFCNT_dec (req->sv1);
		432	}
		433	break;
		434	}
		435
		436	errno = req->result;
		437
		438	if (req->callback)
		439	{
		440	dSP;
		441
309	ENTER;	442	ENTER;
310	SAVETMPS;	443	SAVETMPS;
311	PUSHMARK (SP);	444	PUSHMARK (SP);
312		445
313	switch (req->type)
314	{
315	case REQ_DB_CLOSE:
316	SvREFCNT_dec (req->sv1);
317	break;
318
319	case REQ_DB_GET:
320	case REQ_DB_PGET:
321	dbt_to_sv (req->sv3, &req->dbt3);
322	break;
323
324	case REQ_C_GET:
325	case REQ_C_PGET:
326	dbt_to_sv (req->sv1, &req->dbt1);
327	dbt_to_sv (req->sv2, &req->dbt2);
328	dbt_to_sv (req->sv3, &req->dbt3);
329	break;
330
331	case REQ_DB_KEY_RANGE:
332	{
333	AV *av = newAV ();
334
335	av_push (av, newSVnv (req->key_range.less));
336	av_push (av, newSVnv (req->key_range.equal));
337	av_push (av, newSVnv (req->key_range.greater));
338
339	SvREADONLY_off (req->sv1);
340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341	SvREFCNT_dec (req->sv1);
342	}
343	break;
344
345	case REQ_SEQ_GET:
346	SvREADONLY_off (req->sv1);
347
348	if (sizeof (IV) > 4)
349	sv_setiv_mg (req->sv1, req->seq_t);
350	else
351	sv_setnv_mg (req->sv1, req->seq_t);
352
353	SvREFCNT_dec (req->sv1);
354	break;
355	}
356
357	errno = req->result;
358
359	PUTBACK;	446	PUTBACK;
360	call_sv (req->callback, G_VOID | G_EVAL);	447	call_sv (req->callback, G_VOID | G_EVAL);
361	SPAGAIN;	448	SPAGAIN;
362		449
363	FREETMPS;	450	FREETMPS;
364	LEAVE;	451	LEAVE;
		452
		453	return !SvTRUE (ERRSV);
365	}	454	}
366		455
367	return !SvTRUE (ERRSV);	456	return 1;
368	}	457	}
369		458
370	static void req_free (aio_req req)	459	static void req_free (bdb_req req)
371	{	460	{
		461	SvREFCNT_dec (req->callback);
		462
		463	SvREFCNT_dec (req->rsv1);
		464	SvREFCNT_dec (req->rsv2);
		465
372	free (req->buf1);	466	free (req->buf1);
373	free (req->buf2);	467	free (req->buf2);
		468	free (req->buf3);
		469
374	Safefree (req);	470	Safefree (req);
375	}	471	}
376		472
377	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else
380	# define TO_SOCKET(x) (x)
381	#endif
382
383	static void	473	static void
384	create_pipe (int fd[2])	474	create_respipe (void)
385	{	475	{
386	#ifdef _WIN32	476	if (s_epipe_renew (&respipe))
387	int arg = 1;	477	croak ("BDB: unable to create event pipe");
388	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
389	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
390	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
391	#else
392	if (pipe (fd)
393	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
394	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
395	#endif
396	croak ("unable to initialize result pipe");
397
398	respipe_osf [0] = TO_SOCKET (respipe [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);
400	}	478	}
401		479
		480	static void bdb_request (bdb_req req);
402	X_THREAD_PROC (bdb_proc);	481	X_THREAD_PROC (bdb_proc);
403		482
404	static void start_thread (void)	483	static void start_thread (void)
405	{	484	{
406	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
…		…
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
442	// synthesize callback if none given	521	if (on_next_submit)
443	if (!SvOK (req->callback))
444	{	522	{
445	int count;
446
447	dSP;	523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
448	PUSHMARK (SP);	528	PUSHMARK (SP);
449	PUTBACK;	529	PUTBACK;
450	count = call_sv (prepare_cb, G_ARRAY);	530	call_sv (cb, G_DISCARD | G_EVAL);
451	SPAGAIN;	531	SPAGAIN;
		532	}
452		533
		534	// synthesize callback if none given
		535	if (!req->callback)
		536	{
		537	if (SvOK (prepare_cb))
		538	{
		539	int count;
		540
		541	dSP;
		542	PUSHMARK (SP);
		543	PUTBACK;
		544	count = call_sv (prepare_cb, G_ARRAY);
		545	SPAGAIN;
		546
453	if (count != 2)	547	if (count != 2)
454	croak ("prepare callback must return exactly two values\n");	548	croak ("sync prepare callback must return exactly two values\n");
455		549
456	wait_callback = SvREFCNT_inc (POPs);	550	wait_callback = POPs;
457	SvREFCNT_dec (req->callback);
458	req->callback = SvREFCNT_inc (POPs);	551	req->callback = SvREFCNT_inc (POPs);
		552	}
		553	else
		554	{
		555	// execute request synchronously
		556	bdb_request (req);
		557	req_invoke (req);
		558	req_free (req);
		559	return;
		560	}
459	}	561	}
460		562
461	++nreqs;	563	++nreqs;
462		564
463	X_LOCK (reqlock);	565	X_LOCK (reqlock);
…		…
472	{	574	{
473	dSP;	575	dSP;
474	PUSHMARK (SP);	576	PUSHMARK (SP);
475	PUTBACK;	577	PUTBACK;
476	call_sv (wait_callback, G_DISCARD);	578	call_sv (wait_callback, G_DISCARD);
477	SvREFCNT_dec (wait_callback);
478	}	579	}
479	}	580	}
480		581
481	static void end_thread (void)	582	static void end_thread (void)
482	{	583	{
483	aio_req req;	584	bdb_req req = calloc (1, sizeof (bdb_cb));
484
485	Newz (0, req, 1, aio_cb);
486		585
487	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
488	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
489		588
490	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
517		616
518	while (started > wanted)	617	while (started > wanted)
519	end_thread ();	618	end_thread ();
520	}	619	}
521		620
522	static void poll_wait ()	621	static void poll_wait (void)
523	{	622	{
524	fd_set rfd;
525
526	while (nreqs)	623	while (nreqs)
527	{	624	{
528	int size;	625	int size;
529	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
530	size = res_queue.size;	627	size = res_queue.size;
…		…
533	if (size)	630	if (size)
534	return;	631	return;
535		632
536	maybe_start_thread ();	633	maybe_start_thread ();
537		634
538	FD_ZERO (&rfd);	635	s_epipe_wait (&respipe);
539	FD_SET (respipe [0], &rfd);
540
541	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
542	}	636	}
543	}	637	}
544		638
545	static int poll_cb ()	639	static int poll_cb (void)
546	{	640	{
547	dSP;	641	dSP;
548	int count = 0;	642	int count = 0;
549	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
550	int do_croak = 0;	644	int do_croak = 0;
551	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
552	aio_req req;	646	bdb_req req;
553		647
554	if (max_poll_time)	648	if (max_poll_time)
555	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
556		650
557	for (;;)	651	for (;;)
…		…
566	if (req)	660	if (req)
567	{	661	{
568	--npending;	662	--npending;
569		663
570	if (!res_queue.size)	664	if (!res_queue.size)
571	{
572	/* read any signals sent by the worker threads */	665	/* read any signals sent by the worker threads */
573	char buf [4];	666	s_epipe_drain (&respipe);
574	while (respipe_read (respipe [0], buf, 4) == 4)
575	;
576	}
577	}	667	}
578		668
579	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
580		670
581	if (!req)	671	if (!req)
…		…
616	return count;	706	return count;
617	}	707	}
618		708
619	/*****************************************************************************/	709	/*****************************************************************************/
620		710
		711	static void
		712	bdb_request (bdb_req req)
		713	{
		714	switch (req->type)
		715	{
		716	case REQ_ENV_OPEN:
		717	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		718	break;
		719
		720	case REQ_ENV_CLOSE:
		721	req->result = req->env->close (req->env, req->uint1);
		722	break;
		723
		724	case REQ_ENV_TXN_CHECKPOINT:
		725	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		726	break;
		727
		728	case REQ_ENV_LOCK_DETECT:
		729	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		730	break;
		731
		732	case REQ_ENV_MEMP_SYNC:
		733	req->result = req->env->memp_sync (req->env, 0);
		734	break;
		735
		736	case REQ_ENV_MEMP_TRICKLE:
		737	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		738	break;
		739
		740	case REQ_ENV_DBREMOVE:
		741	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		742	break;
		743
		744	case REQ_ENV_DBRENAME:
		745	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		746	break;
		747
		748	case REQ_DB_OPEN:
		749	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		750	break;
		751
		752	case REQ_DB_CLOSE:
		753	req->result = req->db->close (req->db, req->uint1);
		754	break;
		755
		756	#if DBVER >= 404
		757	case REQ_DB_COMPACT:
		758	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		759	break;
		760	#endif
		761
		762	case REQ_DB_SYNC:
		763	req->result = req->db->sync (req->db, req->uint1);
		764	break;
		765
		766	case REQ_DB_VERIFY:
		767	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		768	break;
		769
		770	case REQ_DB_UPGRADE:
		771	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		772	break;
		773
		774	case REQ_DB_PUT:
		775	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		776	break;
		777
		778	#if DBVER >= 406
		779	case REQ_DB_EXISTS:
		780	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		781	break;
		782	#endif
		783	case REQ_DB_GET:
		784	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		785	break;
		786
		787	case REQ_DB_PGET:
		788	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		789	break;
		790
		791	case REQ_DB_DEL:
		792	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		793	break;
		794
		795	case REQ_DB_KEY_RANGE:
		796	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		797	break;
		798
		799	case REQ_TXN_COMMIT:
		800	req->result = req->txn->commit (req->txn, req->uint1);
		801	break;
		802
		803	case REQ_TXN_ABORT:
		804	req->result = req->txn->abort (req->txn);
		805	break;
		806
		807	case REQ_TXN_FINISH:
		808	if (req->txn->flags & TXN_DEADLOCK)
		809	{
		810	req->result = req->txn->abort (req->txn);
		811	if (!req->result)
		812	req->result = DB_LOCK_DEADLOCK;
		813	}
		814	else
		815	req->result = req->txn->commit (req->txn, req->uint1);
		816	break;
		817
		818	case REQ_C_CLOSE:
		819	req->result = req->dbc->c_close (req->dbc);
		820	break;
		821
		822	case REQ_C_COUNT:
		823	{
		824	db_recno_t recno;
		825	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		826	req->uv1 = recno;
		827	}
		828	break;
		829
		830	case REQ_C_PUT:
		831	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		832	break;
		833
		834	case REQ_C_GET:
		835	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		836	break;
		837
		838	case REQ_C_PGET:
		839	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		840	break;
		841
		842	case REQ_C_DEL:
		843	req->result = req->dbc->c_del (req->dbc, req->uint1);
		844	break;
		845
		846	#if DBVER >= 403
		847	case REQ_SEQ_OPEN:
		848	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		849	break;
		850
		851	case REQ_SEQ_CLOSE:
		852	req->result = req->seq->close (req->seq, req->uint1);
		853	break;
		854
		855	case REQ_SEQ_GET:
		856	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		857	break;
		858
		859	case REQ_SEQ_REMOVE:
		860	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		861	break;
		862	#endif
		863
		864	case REQ_ENV_LOG_ARCHIVE:
		865	{
		866	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		867	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		868	req->buf1 = (char *)listp;
		869	}
		870	break;
		871
		872	default:
		873	req->result = ENOSYS;
		874	break;
		875	}
		876
		877	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		878	req->txn->flags |= TXN_DEADLOCK;
		879	}
		880
621	X_THREAD_PROC (bdb_proc)	881	X_THREAD_PROC (bdb_proc)
622	{	882	{
623	aio_req req;	883	bdb_req req;
624	struct timespec ts;	884	struct timespec ts;
625	worker *self = (worker *)thr_arg;	885	worker *self = (worker *)thr_arg;
626		886
627	/* try to distribute timeouts somewhat evenly */	887	/* try to distribute timeouts somewhat evenly */
628	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	888	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
629		889
630	for (;;)	890	for (;;)
631	{	891	{
632	ts.tv_sec = time (0) + IDLE_TIMEOUT;	892	ts.tv_sec = time (0) + IDLE_TIMEOUT;
633		893
634	X_LOCK (reqlock);	894	X_LOCK (reqlock);
635		895
636	for (;;)	896	for (;;)
637	{	897	{
…		…
664	}	924	}
665		925
666	--nready;	926	--nready;
667		927
668	X_UNLOCK (reqlock);	928	X_UNLOCK (reqlock);
669		929
670	switch (req->type)	930	if (req->type == REQ_QUIT)
671	{	931	{
672	case REQ_QUIT:	932	X_LOCK (reslock);
		933	free (req);
		934	self->req = 0;
		935	X_UNLOCK (reslock);
		936
673	goto quit;	937	goto quit;
674
675	case REQ_ENV_OPEN:
676	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
677	break;
678
679	case REQ_ENV_CLOSE:
680	req->result = req->env->close (req->env, req->uint1);
681	break;
682
683	case REQ_ENV_TXN_CHECKPOINT:
684	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
685	break;
686
687	case REQ_ENV_LOCK_DETECT:
688	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
689	break;
690
691	case REQ_ENV_MEMP_SYNC:
692	req->result = req->env->memp_sync (req->env, 0);
693	break;
694
695	case REQ_ENV_MEMP_TRICKLE:
696	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
697	break;
698
699	case REQ_DB_OPEN:
700	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
701	break;
702
703	case REQ_DB_CLOSE:
704	req->result = req->db->close (req->db, req->uint1);
705	break;
706
707	case REQ_DB_COMPACT:
708	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
709	break;
710
711	case REQ_DB_SYNC:
712	req->result = req->db->sync (req->db, req->uint1);
713	break;
714
715	case REQ_DB_PUT:
716	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
717	break;
718
719	case REQ_DB_GET:
720	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
721	break;
722
723	case REQ_DB_PGET:
724	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
725	break;
726
727	case REQ_DB_DEL:
728	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
729	break;
730
731	case REQ_DB_KEY_RANGE:
732	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
733	break;
734
735	case REQ_TXN_COMMIT:
736	req->result = req->txn->commit (req->txn, req->uint1);
737	break;
738
739	case REQ_TXN_ABORT:
740	req->result = req->txn->abort (req->txn);
741	break;
742
743	case REQ_C_CLOSE:
744	req->result = req->dbc->c_close (req->dbc);
745	break;
746
747	case REQ_C_COUNT:
748	{
749	db_recno_t recno;
750	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
751	req->uv1 = recno;
752	}
753	break;
754
755	case REQ_C_PUT:
756	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
757	break;
758
759	case REQ_C_GET:
760	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
761	break;
762
763	case REQ_C_PGET:
764	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
765	break;
766
767	case REQ_C_DEL:
768	req->result = req->dbc->c_del (req->dbc, req->uint1);
769	break;
770
771	case REQ_SEQ_OPEN:
772	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
773	break;
774
775	case REQ_SEQ_CLOSE:
776	req->result = req->seq->close (req->seq, req->uint1);
777	break;
778
779	case REQ_SEQ_GET:
780	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
781	break;
782
783	case REQ_SEQ_REMOVE:
784	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
785	break;
786
787	default:
788	req->result = ENOSYS;
789	break;
790	}	938	}
791		939
		940	bdb_request (req);
		941
792	X_LOCK (reslock);	942	X_LOCK (reslock);
793		943
794	++npending;	944	++npending;
795		945
796	if (!reqq_push (&res_queue, req))	946	if (!reqq_push (&res_queue, req))
797	/* write a dummy byte to the pipe so fh becomes ready */	947	s_epipe_signal (&respipe);
798	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
799		948
800	self->req = 0;	949	self->req = 0;
801	worker_clear (self);	950	worker_clear (self);
802		951
803	X_UNLOCK (reslock);	952	X_UNLOCK (reslock);
…		…
827	X_UNLOCK (wrklock);	976	X_UNLOCK (wrklock);
828	}	977	}
829		978
830	static void atfork_child (void)	979	static void atfork_child (void)
831	{	980	{
832	aio_req prv;	981	bdb_req prv;
833		982
834	while (prv = reqq_shift (&req_queue))	983	while (prv = reqq_shift (&req_queue))
835	req_free (prv);	984	req_free (prv);
836		985
837	while (prv = reqq_shift (&res_queue))	986	while (prv = reqq_shift (&res_queue))
…		…
852	idle = 0;	1001	idle = 0;
853	nreqs = 0;	1002	nreqs = 0;
854	nready = 0;	1003	nready = 0;
855	npending = 0;	1004	npending = 0;
856		1005
857	respipe_close (respipe [0]);
858	respipe_close (respipe [1]);
859
860	create_pipe (respipe);	1006	create_respipe ();
861		1007
862	atfork_parent ();	1008	atfork_parent ();
863	}	1009	}
864		1010
865	#define dREQ(reqtype) \	1011	#define dREQ(reqtype,rsvcnt) \
866	aio_req req; \	1012	bdb_req req; \
867	int req_pri = next_pri; \	1013	int req_pri = next_pri; \
868	next_pri = DEFAULT_PRI + PRI_BIAS; \	1014	next_pri = DEFAULT_PRI + PRI_BIAS; \
869	\	1015	\
870	if (SvOK (callback) && !SvROK (callback)) \	1016	if (callback && SvOK (callback)) \
871	croak ("callback must be undef or of reference type"); \	1017	croak ("callback has illegal type or extra arguments"); \
872	\	1018	\
873	Newz (0, req, 1, aio_cb); \	1019	Newz (0, req, 1, bdb_cb); \
874	if (!req) \	1020	if (!req) \
875	croak ("out of memory during aio_req allocation"); \	1021	croak ("out of memory during bdb_req allocation"); \
876	\	1022	\
877	req->callback = newSVsv (callback); \	1023	req->callback = SvREFCNT_inc (cb); \
878	req->type = (reqtype); \	1024	req->type = (reqtype); \
879	req->pri = req_pri	1025	req->pri = req_pri; \
		1026	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1027	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1028	(void)0;
880		1029
881	#define REQ_SEND \	1030	#define REQ_SEND \
882	req_send (req)	1031	req_send (req)
883		1032
884	#define SvPTR(var, arg, type, class, nullok) \	1033	#define SvPTR(var, arg, type, stash, class, nullok) \
885	if (!SvOK (arg)) \	1034	if (!SvOK (arg)) \
886	{ \	1035	{ \
887	if (!nullok) \	1036	if (nullok != 1) \
888	croak (# var " must be a " # class " object, not undef"); \	1037	croak (# var " must be a " # class " object, not undef"); \
889	\	1038	\
890	(var) = 0; \	1039	(var) = 0; \
891	} \	1040	} \
892	else if (sv_derived_from ((arg), # class)) \	1041	else if (SvSTASH (SvRV (arg)) == stash || sv_derived_from ((arg), # class)) \
893	{ \	1042	{ \
894	IV tmp = SvIV ((SV*) SvRV (arg)); \	1043	IV tmp = SvIV ((SV*) SvRV (arg)); \
895	(var) = INT2PTR (type, tmp); \	1044	(var) = INT2PTR (type, tmp); \
896	if (!var) \	1045	if (!var && nullok != 2) \
897	croak (# var " is not a valid " # class " object anymore"); \	1046	croak (# var " is not a valid " # class " object anymore"); \
898	} \	1047	} \
899	else \	1048	else \
900	croak (# var " is not of type " # class); \	1049	croak (# var " is not of type " # class);
901	\	1050
		1051	#define ARG_MUTABLE(name) \
		1052	if (SvREADONLY (name)) \
		1053	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1054
		1055	static SV *
		1056	newSVptr (void *ptr, HV *stash)
		1057	{
		1058	SV *rv = NEWSV (0, 0);
		1059	sv_upgrade (rv, SVt_PVMG);
		1060	sv_setiv (rv, PTR2IV (ptr));
		1061
		1062	return sv_bless (newRV_noinc (rv), stash);
		1063	}
902		1064
903	static void	1065	static void
904	ptr_nuke (SV *sv)	1066	ptr_nuke (SV *sv)
905	{	1067	{
906	assert (SvROK (sv));	1068	assert (SvROK (sv));
907	sv_setiv (SvRV (sv), 0);	1069	sv_setiv (SvRV (sv), 0);
908	}	1070	}
909		1071
		1072	static int
		1073	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1074	{
		1075	if (*mg->mg_ptr == '!') // should always be the case
		1076	if (-30999 <= errno && errno <= -30800)
		1077	{
		1078	sv_setnv (sv, (NV)errno);
		1079	sv_setpv (sv, db_strerror (errno));
		1080	SvNOK_on (sv); /* what a wonderful hack! */
		1081	// ^^^ copied from perl sources
		1082	return 0;
		1083	}
		1084
		1085	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1086	}
		1087
		1088	static MGVTBL vtbl_errno;
		1089
		1090	// this wonderful hack :( patches perl's $! variable to support our errno values
		1091	static void
		1092	patch_errno (void)
		1093	{
		1094	SV *sv;
		1095	MAGIC *mg;
		1096
		1097	if (!(sv = get_sv ("!", 1)))
		1098	return;
		1099
		1100	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1101	return;
		1102
		1103	if (mg->mg_virtual != &PL_vtbl_sv)
		1104	return;
		1105
		1106	vtbl_errno = PL_vtbl_sv;
		1107	vtbl_errno.svt_get = errno_get;
		1108	mg->mg_virtual = &vtbl_errno;
		1109	}
		1110
		1111	#if __GNUC__ >= 4
		1112	# define noinline __attribute__ ((noinline))
		1113	#else
		1114	# define noinline
		1115	#endif
		1116
		1117	static noinline SV *
		1118	pop_callback (I32 *ritems, SV *sv)
		1119	{
		1120	if (SvROK (sv))
		1121	{
		1122	HV *st;
		1123	GV *gvp;
		1124	CV *cv;
		1125	const char *name;
		1126
		1127	/* forgive me */
		1128	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1129	&& (st = SvSTASH (SvRV (sv)))
		1130	&& (name = HvNAME_get (st))
		1131	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1132	return 0;
		1133
		1134	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1135	{
		1136	--*ritems;
		1137	return (SV *)cv;
		1138	}
		1139	}
		1140
		1141	return 0;
		1142	}
		1143
		1144	/*****************************************************************************/
		1145
		1146	#if 0
		1147	static int
		1148	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1149	{
		1150	ssize_t size1 = dbt1->size;
		1151	ssize_t size2 = dbt2->size;
		1152	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1153	size1 <= size2 ? size1 : size2);
		1154
		1155	if (res)
		1156	return res;
		1157	else if (size1 - size2)
		1158	return size1 - size2;
		1159	else
		1160	return 0;
		1161	}
		1162
		1163	static size_t
		1164	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1165	{
		1166	ssize_t size1 = dbt1->size;
		1167	ssize_t size2 = dbt2->size;
		1168	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1169	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1170	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1171
		1172	while (p1 < pe)
		1173	if (*p1++ != *p2++)
		1174	return p1 - (u_int8_t *)dbt1->data - 1;
		1175
		1176	if (size1 < size2) return size1 + 1;
		1177	if (size1 > size2) return size2 + 1;
		1178
		1179	return size1;
		1180	}
		1181	#endif
		1182
		1183	/*****************************************************************************/
		1184
		1185	/* stupid windows defines CALLBACK as well */
		1186	#undef CALLBACK
		1187	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1188
910	MODULE = BDB PACKAGE = BDB	1189	MODULE = BDB PACKAGE = BDB
911		1190
912	PROTOTYPES: ENABLE	1191	PROTOTYPES: ENABLE
913		1192
914	BOOT:	1193	BOOT:
915	{	1194	{
916	HV *stash = gv_stashpv ("BDB", 1);
917
918	static const struct {	1195	static const struct {
919	const char *name;	1196	const char *name;
920	IV iv;	1197	IV iv;
921	} *civ, const_iv[] = {	1198	} *civ, const_iv[] = {
922	#define const_iv(name) { # name, (IV)DB_ ## name },	1199	#define const_iv(name) { # name, (IV)DB_ ## name },
		1200	#if DBVER <= 408
923	const_iv (RPCCLIENT)	1201	const_iv (RPCCLIENT)
		1202	#endif
924	const_iv (INIT_CDB)	1203	const_iv (INIT_CDB)
925	const_iv (INIT_LOCK)	1204	const_iv (INIT_LOCK)
926	const_iv (INIT_LOG)	1205	const_iv (INIT_LOG)
927	const_iv (INIT_MPOOL)	1206	const_iv (INIT_MPOOL)
928	const_iv (INIT_REP)	1207	const_iv (INIT_REP)
929	const_iv (INIT_TXN)	1208	const_iv (INIT_TXN)
930	const_iv (RECOVER)	1209	const_iv (RECOVER)
931	const_iv (INIT_TXN)	1210	const_iv (INIT_TXN)
932	const_iv (RECOVER_FATAL)	1211	const_iv (RECOVER_FATAL)
933	const_iv (CREATE)	1212	const_iv (CREATE)
		1213	const_iv (RDONLY)
934	const_iv (USE_ENVIRON)	1214	const_iv (USE_ENVIRON)
935	const_iv (USE_ENVIRON_ROOT)	1215	const_iv (USE_ENVIRON_ROOT)
936	const_iv (LOCKDOWN)	1216	const_iv (LOCKDOWN)
937	const_iv (PRIVATE)	1217	const_iv (PRIVATE)
938	const_iv (REGISTER)
939	const_iv (SYSTEM_MEM)	1218	const_iv (SYSTEM_MEM)
940	const_iv (AUTO_COMMIT)	1219	const_iv (AUTO_COMMIT)
941	const_iv (CDB_ALLDB)	1220	const_iv (CDB_ALLDB)
942	const_iv (DIRECT_DB)	1221	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)	1222	const_iv (NOLOCKING)
949	const_iv (NOMMAP)	1223	const_iv (NOMMAP)
950	const_iv (NOPANIC)	1224	const_iv (NOPANIC)
951	const_iv (OVERWRITE)	1225	const_iv (OVERWRITE)
952	const_iv (PANIC_ENVIRONMENT)	1226	const_iv (PANIC_ENVIRONMENT)
953	const_iv (REGION_INIT)	1227	const_iv (REGION_INIT)
954	const_iv (TIME_NOTGRANTED)	1228	const_iv (TIME_NOTGRANTED)
955	const_iv (TXN_NOSYNC)	1229	const_iv (TXN_NOSYNC)
		1230	const_iv (TXN_NOT_DURABLE)
956	const_iv (TXN_WRITE_NOSYNC)	1231	const_iv (TXN_WRITE_NOSYNC)
957	const_iv (WRITECURSOR)	1232	const_iv (WRITECURSOR)
958	const_iv (YIELDCPU)	1233	const_iv (YIELDCPU)
959	const_iv (ENCRYPT_AES)	1234	const_iv (ENCRYPT_AES)
		1235	#if DBVER < 408
960	const_iv (XA_CREATE)	1236	const_iv (XA_CREATE)
		1237	#endif
961	const_iv (BTREE)	1238	const_iv (BTREE)
962	const_iv (HASH)	1239	const_iv (HASH)
963	const_iv (QUEUE)	1240	const_iv (QUEUE)
964	const_iv (RECNO)	1241	const_iv (RECNO)
965	const_iv (UNKNOWN)	1242	const_iv (UNKNOWN)
966	const_iv (EXCL)	1243	const_iv (EXCL)
967	const_iv (READ_COMMITTED)
968	const_iv (READ_UNCOMMITTED)
969	const_iv (TRUNCATE)	1244	const_iv (TRUNCATE)
970	const_iv (NOSYNC)	1245	const_iv (NOSYNC)
971	const_iv (CHKSUM)	1246	const_iv (CHKSUM)
972	const_iv (ENCRYPT)	1247	const_iv (ENCRYPT)
973	const_iv (TXN_NOT_DURABLE)
974	const_iv (DUP)	1248	const_iv (DUP)
975	const_iv (DUPSORT)	1249	const_iv (DUPSORT)
976	const_iv (RECNUM)	1250	//const_iv (RECNUM)
977	const_iv (RENUMBER)	1251	const_iv (RENUMBER)
978	const_iv (REVSPLITOFF)	1252	const_iv (REVSPLITOFF)
979	const_iv (INORDER)
980	const_iv (CONSUME)	1253	const_iv (CONSUME)
981	const_iv (CONSUME_WAIT)	1254	const_iv (CONSUME_WAIT)
982	const_iv (GET_BOTH)	1255	const_iv (GET_BOTH)
983	const_iv (GET_BOTH_RANGE)	1256	const_iv (GET_BOTH_RANGE)
984	//const_iv (SET_RECNO)	1257	//const_iv (SET_RECNO)
985	//const_iv (MULTIPLE)	1258	//const_iv (MULTIPLE)
986	const_iv (SNAPSHOT)	1259	const_iv (SNAPSHOT)
987	const_iv (JOIN_ITEM)	1260	const_iv (JOIN_ITEM)
		1261	const_iv (JOIN_NOSORT)
988	const_iv (RMW)	1262	const_iv (RMW)
989		1263
990	const_iv (NOTFOUND)	1264	const_iv (NOTFOUND)
991	const_iv (KEYEMPTY)	1265	const_iv (KEYEMPTY)
992	const_iv (LOCK_DEADLOCK)	1266	const_iv (LOCK_DEADLOCK)
993	const_iv (LOCK_NOTGRANTED)	1267	const_iv (LOCK_NOTGRANTED)
994	const_iv (RUNRECOVERY)	1268	const_iv (RUNRECOVERY)
995	const_iv (OLD_VERSION)	1269	const_iv (OLD_VERSION)
996	const_iv (REP_HANDLE_DEAD)	1270	const_iv (REP_HANDLE_DEAD)
997	const_iv (REP_LOCKOUT)
998	const_iv (SECONDARY_BAD)	1271	const_iv (SECONDARY_BAD)
999
1000	const_iv (FREE_SPACE)
1001	const_iv (FREELIST_ONLY)
1002		1272
1003	const_iv (APPEND)	1273	const_iv (APPEND)
1004	const_iv (NODUPDATA)	1274	const_iv (NODUPDATA)
1005	const_iv (NOOVERWRITE)	1275	const_iv (NOOVERWRITE)
1006		1276
…		…
1008	const_iv (TXN_SYNC)	1278	const_iv (TXN_SYNC)
1009		1279
1010	const_iv (SET_LOCK_TIMEOUT)	1280	const_iv (SET_LOCK_TIMEOUT)
1011	const_iv (SET_TXN_TIMEOUT)	1281	const_iv (SET_TXN_TIMEOUT)
1012		1282
1013	const_iv (JOIN_ITEM)
1014	const_iv (FIRST)	1283	const_iv (FIRST)
1015	const_iv (NEXT)	1284	const_iv (NEXT)
1016	const_iv (NEXT_DUP)	1285	const_iv (NEXT_DUP)
1017	const_iv (NEXT_NODUP)	1286	const_iv (NEXT_NODUP)
1018	const_iv (PREV)	1287	const_iv (PREV)
…		…
1030	const_iv (FORCE)	1299	const_iv (FORCE)
1031		1300
1032	const_iv (LOCK_DEFAULT)	1301	const_iv (LOCK_DEFAULT)
1033	const_iv (LOCK_EXPIRE)	1302	const_iv (LOCK_EXPIRE)
1034	const_iv (LOCK_MAXLOCKS)	1303	const_iv (LOCK_MAXLOCKS)
1035	const_iv (LOCK_MAXWRITE)
1036	const_iv (LOCK_MINLOCKS)	1304	const_iv (LOCK_MINLOCKS)
1037	const_iv (LOCK_MINWRITE)	1305	const_iv (LOCK_MINWRITE)
1038	const_iv (LOCK_OLDEST)	1306	const_iv (LOCK_OLDEST)
1039	const_iv (LOCK_RANDOM)	1307	const_iv (LOCK_RANDOM)
1040	const_iv (LOCK_YOUNGEST)	1308	const_iv (LOCK_YOUNGEST)
1041		1309
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)	1310	const_iv (DONOTINDEX)
1048	const_iv (KEYEMPTY )	1311	const_iv (KEYEMPTY)
1049	const_iv (KEYEXIST )	1312	const_iv (KEYEXIST)
1050	const_iv (LOCK_DEADLOCK)	1313	const_iv (LOCK_DEADLOCK)
1051	const_iv (LOCK_NOTGRANTED)	1314	const_iv (LOCK_NOTGRANTED)
1052	const_iv (LOG_BUFFER_FULL)
1053	const_iv (NOSERVER)	1315	const_iv (NOSERVER)
		1316	#if DBVER < 502
1054	const_iv (NOSERVER_HOME)	1317	const_iv (NOSERVER_HOME)
1055	const_iv (NOSERVER_ID)	1318	const_iv (NOSERVER_ID)
		1319	#endif
1056	const_iv (NOTFOUND)	1320	const_iv (NOTFOUND)
1057	const_iv (OLD_VERSION)
1058	const_iv (PAGE_NOTFOUND)	1321	const_iv (PAGE_NOTFOUND)
1059	const_iv (REP_DUPMASTER)	1322	const_iv (REP_DUPMASTER)
1060	const_iv (REP_HANDLE_DEAD)	1323	const_iv (REP_HANDLE_DEAD)
1061	const_iv (REP_HOLDELECTION)	1324	const_iv (REP_HOLDELECTION)
1062	const_iv (REP_IGNORE)
1063	const_iv (REP_ISPERM)	1325	const_iv (REP_ISPERM)
1064	const_iv (REP_JOIN_FAILURE)
1065	const_iv (REP_LOCKOUT)
1066	const_iv (REP_NEWMASTER)	1326	const_iv (REP_NEWMASTER)
1067	const_iv (REP_NEWSITE)	1327	const_iv (REP_NEWSITE)
1068	const_iv (REP_NOTPERM)	1328	const_iv (REP_NOTPERM)
1069	const_iv (REP_UNAVAIL)	1329	const_iv (REP_UNAVAIL)
1070	const_iv (RUNRECOVERY)	1330	const_iv (RUNRECOVERY)
1071	const_iv (SECONDARY_BAD)	1331	const_iv (SECONDARY_BAD)
1072	const_iv (VERIFY_BAD)	1332	const_iv (VERIFY_BAD)
1073	const_iv (VERSION_MISMATCH)	1333
		1334	const_iv (SALVAGE)
		1335	const_iv (AGGRESSIVE)
		1336	const_iv (PRINTABLE)
		1337	const_iv (NOORDERCHK)
		1338	const_iv (ORDERCHKONLY)
		1339
		1340	const_iv (ARCH_ABS)
		1341	const_iv (ARCH_DATA)
		1342	const_iv (ARCH_LOG)
		1343	const_iv (ARCH_REMOVE)
1074		1344
1075	const_iv (VERB_DEADLOCK)	1345	const_iv (VERB_DEADLOCK)
1076	const_iv (VERB_RECOVERY)	1346	const_iv (VERB_RECOVERY)
1077	const_iv (VERB_REGISTER)
1078	const_iv (VERB_REPLICATION)	1347	const_iv (VERB_REPLICATION)
1079	const_iv (VERB_WAITSFOR)	1348	const_iv (VERB_WAITSFOR)
1080		1349
1081	const_iv (VERSION_MAJOR)	1350	const_iv (VERSION_MAJOR)
1082	const_iv (VERSION_MINOR)	1351	const_iv (VERSION_MINOR)
1083	const_iv (VERSION_PATCH)	1352	const_iv (VERSION_PATCH)
1084	#if DB_VERSION_MINOR >= 5	1353	const_iv (LOGVERSION)
		1354	const_iv (LOGOLDVER)
		1355	#if DBVER >= 403
		1356	const_iv (INORDER)
		1357	const_iv (LOCK_MAXWRITE)
		1358	const_iv (SEQ_DEC)
		1359	const_iv (SEQ_INC)
		1360	const_iv (SEQ_WRAP)
		1361	const_iv (BUFFER_SMALL)
		1362	const_iv (LOG_BUFFER_FULL)
		1363	const_iv (VERSION_MISMATCH)
		1364	#endif
		1365	#if DBVER >= 404
		1366	const_iv (REGISTER)
		1367	const_iv (DSYNC_DB)
		1368	const_iv (READ_COMMITTED)
		1369	const_iv (READ_UNCOMMITTED)
		1370	const_iv (REP_IGNORE)
		1371	const_iv (REP_LOCKOUT)
		1372	const_iv (REP_JOIN_FAILURE)
		1373	const_iv (FREE_SPACE)
		1374	const_iv (FREELIST_ONLY)
		1375	const_iv (VERB_REGISTER)
		1376	#endif
		1377	#if DBVER >= 405
1085	const_iv (MULTIVERSION)	1378	const_iv (MULTIVERSION)
1086	const_iv (TXN_SNAPSHOT)	1379	const_iv (TXN_SNAPSHOT)
1087	#endif	1380	#endif
1088	#if DB_VERSION_MINOR >= 6	1381	#if DBVER >= 406
1089	const_iv (PREV_DUP)	1382	const_iv (PREV_DUP)
1090	# if 0
1091	const_iv (PRIORITY_UNCHANGED)	1383	const_iv (PRIORITY_UNCHANGED)
1092	const_iv (PRIORITY_VERY_LOW)	1384	const_iv (PRIORITY_VERY_LOW)
1093	const_iv (PRIORITY_LOW)	1385	const_iv (PRIORITY_LOW)
1094	const_iv (PRIORITY_DEFAULT)	1386	const_iv (PRIORITY_DEFAULT)
1095	const_iv (PRIORITY_HIGH)	1387	const_iv (PRIORITY_HIGH)
1096	const_iv (PRIORITY_VERY_HIGH)	1388	const_iv (PRIORITY_VERY_HIGH)
		1389	const_iv (IGNORE_LEASE)
		1390	#endif
		1391	#if DBVER >= 407
		1392	//const_iv (MULTIPLE_KEY)
		1393	const_iv (LOG_DIRECT)
		1394	const_iv (LOG_DSYNC)
		1395	const_iv (LOG_AUTO_REMOVE)
		1396	const_iv (LOG_IN_MEMORY)
		1397	const_iv (LOG_ZERO)
		1398	#else
		1399	const_iv (DIRECT_LOG)
		1400	const_iv (LOG_AUTOREMOVE)
		1401	# if DBVER >= 403
		1402	const_iv (DSYNC_LOG)
		1403	const_iv (LOG_INMEMORY)
1097	# endif	1404	# endif
		1405	#if DBVER >= 408
		1406	const_iv (LOGVERSION_LATCHING)
		1407	#endif
1098	#endif	1408	#endif
1099	};	1409	};
1100		1410
		1411	bdb_stash = gv_stashpv ("BDB" , 1);
		1412	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1413	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1414	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1415	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1416	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1417
1101	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1418	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1102	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1419	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1103		1420
1104	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1421	prepare_cb = &PL_sv_undef;
		1422
		1423	{
		1424	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1425	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1426
		1427	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1428	}
		1429
1105	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1430	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1106		1431
1107	create_pipe (respipe);	1432	create_respipe ();
1108		1433
1109	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1434	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1110	#ifdef _WIN32	1435	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	}	1436	}
1118		1437
1119	void	1438	void
1120	max_poll_reqs (int nreqs)	1439	max_poll_reqs (int nreqs)
1121	PROTOTYPE: $	1440	PROTOTYPE: $
…		…
1194		1513
1195	int	1514	int
1196	poll_fileno ()	1515	poll_fileno ()
1197	PROTOTYPE:	1516	PROTOTYPE:
1198	CODE:	1517	CODE:
1199	RETVAL = respipe [0];	1518	RETVAL = s_epipe_fd (&respipe);
1200	OUTPUT:	1519	OUTPUT:
1201	RETVAL	1520	RETVAL
1202		1521
1203	int	1522	int
1204	poll_cb (...)	1523	poll_cb (...)
…		…
1246	RETVAL = started;	1565	RETVAL = started;
1247	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1566	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1248	OUTPUT:	1567	OUTPUT:
1249	RETVAL	1568	RETVAL
1250		1569
1251	void	1570	SV *
1252	set_sync_prepare (SV *cb)	1571	set_sync_prepare (SV *cb)
1253	PROTOTYPE: &	1572	PROTOTYPE: &
1254	CODE:	1573	CODE:
1255	SvREFCNT_dec (prepare_cb);	1574	RETVAL = prepare_cb;
1256	prepare_cb = newSVsv (cb);	1575	prepare_cb = newSVsv (cb);
		1576	OUTPUT:
		1577	RETVAL
1257		1578
1258	char *	1579	char *
1259	strerror (int errorno = errno)	1580	strerror (int errorno = errno)
1260	PROTOTYPE: ;$	1581	PROTOTYPE: ;$
1261	CODE:	1582	CODE:
1262	RETVAL = db_strerror (errorno);	1583	RETVAL = db_strerror (errorno);
1263	OUTPUT:	1584	OUTPUT:
1264	RETVAL	1585	RETVAL
1265		1586
		1587	void _on_next_submit (SV *cb)
		1588	CODE:
		1589	SvREFCNT_dec (on_next_submit);
		1590	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1591
1266	DB_ENV *	1592	DB_ENV *
1267	db_env_create (U32 env_flags = 0)	1593	db_env_create (U32 env_flags = 0)
1268	CODE:	1594	CODE:
1269	{	1595	{
1270	errno = db_env_create (&RETVAL, env_flags);	1596	errno = db_env_create (&RETVAL, env_flags);
…		…
1279	}	1605	}
1280	OUTPUT:	1606	OUTPUT:
1281	RETVAL	1607	RETVAL
1282		1608
1283	void	1609	void
1284	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1610	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1611	PREINIT:
		1612	CALLBACK
1285	CODE:	1613	CODE:
1286	{	1614	{
1287	dREQ (REQ_ENV_OPEN);	1615	dREQ (REQ_ENV_OPEN, 1);
1288
1289	env->set_thread_count (env, wanted + 2);
1290
1291	req->env = env;	1616	req->env = env;
1292	req->uint1 = open_flags | DB_THREAD;	1617	req->uint1 = open_flags | DB_THREAD;
1293	req->int1 = mode;	1618	req->int1 = mode;
1294	req->buf1 = strdup_ornull (db_home);	1619	req->buf1 = strdup_ornull (db_home);
1295	REQ_SEND;	1620	REQ_SEND;
1296	}	1621	}
1297		1622
1298	void	1623	void
1299	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1624	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1625	PREINIT:
		1626	CALLBACK
1300	CODE:	1627	CODE:
1301	{	1628	{
1302	dREQ (REQ_ENV_CLOSE);	1629	dREQ (REQ_ENV_CLOSE, 0);
		1630	ptr_nuke (ST (0));
1303	req->env = env;	1631	req->env = env;
1304	req->uint1 = flags;	1632	req->uint1 = flags;
1305	REQ_SEND;	1633	REQ_SEND;
1306	ptr_nuke (ST (0));
1307	}	1634	}
1308		1635
1309	void	1636	void
1310	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1637	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1638	PREINIT:
		1639	CALLBACK
1311	CODE:	1640	CODE:
1312	{	1641	{
1313	dREQ (REQ_ENV_TXN_CHECKPOINT);	1642	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1314	req->env = env;	1643	req->env = env;
1315	req->uint1 = kbyte;	1644	req->uint1 = kbyte;
1316	req->int1 = min;	1645	req->int1 = min;
1317	req->uint2 = flags;	1646	req->uint2 = flags;
1318	REQ_SEND;	1647	REQ_SEND;
1319	}	1648	}
1320		1649
1321	void	1650	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)	1651	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1652	PREINIT:
		1653	CALLBACK
1323	CODE:	1654	CODE:
1324	{	1655	{
1325	dREQ (REQ_ENV_LOCK_DETECT);	1656	dREQ (REQ_ENV_LOCK_DETECT, 1);
1326	req->env = env;	1657	req->env = env;
1327	req->uint1 = flags;	1658	req->uint1 = flags;
1328	req->uint2 = atype;	1659	req->uint2 = atype;
		1660	/* req->int2 = 0; dummy */
1329	REQ_SEND;	1661	REQ_SEND;
1330	}	1662	}
1331		1663
1332	void	1664	void
1333	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1665	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1666	PREINIT:
		1667	CALLBACK
1334	CODE:	1668	CODE:
1335	{	1669	{
1336	dREQ (REQ_ENV_MEMP_SYNC);	1670	dREQ (REQ_ENV_MEMP_SYNC, 1);
1337	req->env = env;	1671	req->env = env;
1338	REQ_SEND;	1672	REQ_SEND;
1339	}	1673	}
1340		1674
1341	void	1675	void
1342	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1676	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1677	PREINIT:
		1678	CALLBACK
1343	CODE:	1679	CODE:
1344	{	1680	{
1345	dREQ (REQ_ENV_MEMP_TRICKLE);	1681	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1346	req->env = env;	1682	req->env = env;
1347	req->int1 = percent;	1683	req->int1 = percent;
1348	REQ_SEND;	1684	REQ_SEND;
1349	}	1685	}
1350		1686
		1687	void
		1688	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1689	PREINIT:
		1690	CALLBACK
		1691	CODE:
		1692	{
		1693	dREQ (REQ_ENV_DBREMOVE, 2);
		1694	req->env = env;
		1695	req->buf1 = strdup_ornull (file);
		1696	req->buf2 = strdup_ornull (database);
		1697	req->uint1 = flags;
		1698	REQ_SEND;
		1699	}
		1700
		1701	void
		1702	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)
		1703	PREINIT:
		1704	CALLBACK
		1705	CODE:
		1706	{
		1707	dREQ (REQ_ENV_DBRENAME, 2);
		1708	req->env = env;
		1709	req->buf1 = strdup_ornull (file);
		1710	req->buf2 = strdup_ornull (database);
		1711	req->buf3 = strdup_ornull (newname);
		1712	req->uint1 = flags;
		1713	REQ_SEND;
		1714	}
		1715
		1716	void
		1717	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1718	PREINIT:
		1719	CALLBACK
		1720	CODE:
		1721	{
		1722	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1723	req->sv1 = SvREFCNT_inc (listp);
		1724	req->env = env;
		1725	req->uint1 = flags;
		1726	REQ_SEND;
		1727	}
1351		1728
1352	DB *	1729	DB *
1353	db_create (DB_ENV *env = 0, U32 flags = 0)	1730	db_create (DB_ENV *env = 0, U32 flags = 0)
1354	CODE:	1731	CODE:
1355	{	1732	{
…		…
1362	}	1739	}
1363	OUTPUT:	1740	OUTPUT:
1364	RETVAL	1741	RETVAL
1365		1742
1366	void	1743	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)	1744	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1745	PREINIT:
		1746	CALLBACK
1368	CODE:	1747	CODE:
1369	{	1748	{
1370	dREQ (REQ_DB_OPEN);	1749	dREQ (REQ_DB_OPEN, 2);
1371	req->db = db;	1750	req->db = db;
1372	req->txn = txnid;	1751	req->txn = txnid;
1373	req->buf1 = strdup_ornull (file);	1752	req->buf1 = strdup_ornull (file);
1374	req->buf2 = strdup_ornull (database);	1753	req->buf2 = strdup_ornull (database);
1375	req->int1 = type;	1754	req->int1 = type;
…		…
1377	req->int2 = mode;	1756	req->int2 = mode;
1378	REQ_SEND;	1757	REQ_SEND;
1379	}	1758	}
1380		1759
1381	void	1760	void
1382	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1761	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1762	PREINIT:
		1763	CALLBACK
1383	CODE:	1764	CODE:
1384	{	1765	{
1385	dREQ (REQ_DB_CLOSE);	1766	dREQ (REQ_DB_CLOSE, 0);
		1767	ptr_nuke (ST (0));
1386	req->db = db;	1768	req->db = db;
1387	req->uint1 = flags;	1769	req->uint1 = flags;
1388	req->sv1 = (SV *)db->app_private;	1770	req->sv1 = (SV *)db->app_private;
1389	REQ_SEND;	1771	REQ_SEND;
1390	ptr_nuke (ST (0));
1391	}	1772	}
1392		1773
		1774	#if DBVER >= 404
		1775
1393	void	1776	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)	1777	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)
		1778	PREINIT:
		1779	CALLBACK
1395	CODE:	1780	CODE:
1396	{	1781	{
1397	dREQ (REQ_DB_COMPACT);	1782	dREQ (REQ_DB_COMPACT, 2);
1398	req->db = db;	1783	req->db = db;
1399	req->txn = txn;	1784	req->txn = txn;
1400	sv_to_dbt (&req->dbt1, start);	1785	if (start) sv_to_dbt (&req->dbt1, start);
1401	sv_to_dbt (&req->dbt2, stop);	1786	if (stop ) sv_to_dbt (&req->dbt2, stop );
1402	req->uint1 = flags;	1787	req->uint1 = flags;
1403	REQ_SEND;	1788	REQ_SEND;
1404	}	1789	}
1405		1790
		1791	#endif
		1792
1406	void	1793	void
1407	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1794	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1795	PREINIT:
		1796	CALLBACK
1408	CODE:	1797	CODE:
1409	{	1798	{
1410	dREQ (REQ_DB_SYNC);	1799	dREQ (REQ_DB_SYNC, 1);
1411	req->db = db;	1800	req->db = db;
1412	req->uint1 = flags;	1801	req->uint1 = flags;
1413	REQ_SEND;	1802	REQ_SEND;
1414	}	1803	}
1415		1804
1416	void	1805	void
		1806	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1807	PREINIT:
		1808	CALLBACK
		1809	CODE:
		1810	{
		1811	dREQ (REQ_DB_VERIFY, 1);
		1812	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1813	req->db = db;
		1814	req->buf1 = strdup (file);
		1815	req->buf2 = strdup_ornull (database);
		1816	req->uint1 = flags;
		1817	REQ_SEND;
		1818	}
		1819
		1820	void
		1821	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
		1824	CODE:
		1825	{
		1826	dREQ (REQ_DB_UPGRADE, 1);
		1827	req->db = db;
		1828	req->buf1 = strdup (file);
		1829	req->uint1 = flags;
		1830	REQ_SEND;
		1831	}
		1832
		1833	void
1417	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1834	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1835	PREINIT:
		1836	CALLBACK
1418	CODE:	1837	CODE:
1419	{	1838	{
1420	dREQ (REQ_DB_KEY_RANGE);	1839	dREQ (REQ_DB_KEY_RANGE, 2);
1421	req->db = db;	1840	req->db = db;
1422	req->txn = txn;	1841	req->txn = txn;
1423	sv_to_dbt (&req->dbt1, key);	1842	sv_to_dbt (&req->dbt1, key);
1424	req->uint1 = flags;	1843	req->uint1 = flags;
1425	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1844	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1426	REQ_SEND;	1845	REQ_SEND;
1427	}	1846	}
1428		1847
1429	void	1848	void
1430	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1849	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1850	PREINIT:
		1851	CALLBACK
1431	CODE:	1852	CODE:
1432	{	1853	{
1433	dREQ (REQ_DB_PUT);	1854	dREQ (REQ_DB_PUT, 2);
1434	req->db = db;	1855	req->db = db;
1435	req->txn = txn;	1856	req->txn = txn;
1436	sv_to_dbt (&req->dbt1, key);	1857	sv_to_dbt (&req->dbt1, key);
1437	sv_to_dbt (&req->dbt2, data);	1858	sv_to_dbt (&req->dbt2, data);
1438	req->uint1 = flags;	1859	req->uint1 = flags;
1439	REQ_SEND;	1860	REQ_SEND;
1440	}	1861	}
1441		1862
		1863	#if DBVER >= 406
		1864
1442	void	1865	void
		1866	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1867	PREINIT:
		1868	CALLBACK
		1869	CODE:
		1870	{
		1871	dREQ (REQ_DB_EXISTS, 2);
		1872	req->db = db;
		1873	req->txn = txn;
		1874	req->uint1 = flags;
		1875	sv_to_dbt (&req->dbt1, key);
		1876	REQ_SEND;
		1877	}
		1878
		1879	#endif
		1880
		1881	void
1443	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1882	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1883	PREINIT:
		1884	CALLBACK
1444	CODE:	1885	CODE:
1445	{	1886	{
		1887	//TODO: key is somtimesmutable
1446	dREQ (REQ_DB_GET);	1888	dREQ (REQ_DB_GET, 2);
1447	req->db = db;	1889	req->db = db;
1448	req->txn = txn;	1890	req->txn = txn;
1449	req->uint1 = flags;	1891	req->uint1 = flags;
1450	sv_to_dbt (&req->dbt1, key);	1892	sv_to_dbt (&req->dbt1, key);
1451	req->dbt3.flags = DB_DBT_MALLOC;	1893	req->dbt3.flags = DB_DBT_MALLOC;
1452	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1894	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1453	REQ_SEND;	1895	REQ_SEND;
1454	}	1896	}
1455		1897
1456	void	1898	void
1457	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1899	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1900	PREINIT:
		1901	CALLBACK
1458	CODE:	1902	CODE:
1459	{	1903	{
		1904	//TODO: key is somtimesmutable
1460	dREQ (REQ_DB_PGET);	1905	dREQ (REQ_DB_PGET, 2);
		1906	req->db = db;
		1907	req->txn = txn;
		1908	req->uint1 = flags;
		1909
		1910	sv_to_dbt (&req->dbt1, key);
		1911
		1912	req->dbt2.flags = DB_DBT_MALLOC;
		1913	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1914
		1915	req->dbt3.flags = DB_DBT_MALLOC;
		1916	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1917	REQ_SEND;
		1918	}
		1919
		1920	void
		1921	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1922	PREINIT:
		1923	CALLBACK
		1924	CODE:
		1925	{
		1926	dREQ (REQ_DB_DEL, 2);
1461	req->db = db;	1927	req->db = db;
1462	req->txn = txn;	1928	req->txn = txn;
1463	req->uint1 = flags;	1929	req->uint1 = flags;
1464	sv_to_dbt (&req->dbt1, key);	1930	sv_to_dbt (&req->dbt1, key);
1465	sv_to_dbt (&req->dbt2, pkey);
1466	req->dbt3.flags = DB_DBT_MALLOC;
1467	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1468	REQ_SEND;	1931	REQ_SEND;
1469	}	1932	}
1470		1933
1471	void	1934	void
1472	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1935	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1936	PREINIT:
		1937	CALLBACK
1473	CODE:	1938	CODE:
1474	{	1939	{
1475	dREQ (REQ_DB_DEL);	1940	dREQ (REQ_TXN_COMMIT, 0);
1476	req->db = db;	1941	ptr_nuke (ST (0));
1477	req->txn = txn;	1942	req->txn = txn;
1478	req->uint1 = flags;	1943	req->uint1 = flags;
1479	sv_to_dbt (&req->dbt1, key);
1480	REQ_SEND;	1944	REQ_SEND;
1481	}	1945	}
1482		1946
1483	void	1947	void
1484	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1948	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1949	PREINIT:
		1950	CALLBACK
1485	CODE:	1951	CODE:
1486	{	1952	{
1487	dREQ (REQ_TXN_COMMIT);	1953	dREQ (REQ_TXN_ABORT, 0);
		1954	ptr_nuke (ST (0));
		1955	req->txn = txn;
		1956	REQ_SEND;
		1957	}
		1958
		1959	void
		1960	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1961	PREINIT:
		1962	CALLBACK
		1963	CODE:
		1964	{
		1965	dREQ (REQ_TXN_FINISH, 0);
		1966	ptr_nuke (ST (0));
1488	req->txn = txn;	1967	req->txn = txn;
1489	req->uint1 = flags;	1968	req->uint1 = flags;
1490	REQ_SEND;	1969	REQ_SEND;
		1970	}
		1971
		1972	void
		1973	db_c_close (DBC *dbc, SV *callback = 0)
		1974	PREINIT:
		1975	CALLBACK
		1976	CODE:
		1977	{
		1978	dREQ (REQ_C_CLOSE, 0);
1491	ptr_nuke (ST (0));	1979	ptr_nuke (ST (0));
1492	}
1493
1494	void
1495	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1496	CODE:
1497	{
1498	dREQ (REQ_TXN_ABORT);
1499	req->txn = txn;
1500	REQ_SEND;
1501	ptr_nuke (ST (0));
1502	}
1503
1504	void
1505	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1506	CODE:
1507	{
1508	dREQ (REQ_C_CLOSE);
1509	req->dbc = dbc;	1980	req->dbc = dbc;
1510	REQ_SEND;	1981	REQ_SEND;
1511	ptr_nuke (ST (0));
1512	}	1982	}
1513		1983
1514	void	1984	void
1515	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1985	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1986	PREINIT:
		1987	CALLBACK
1516	CODE:	1988	CODE:
1517	{	1989	{
1518	dREQ (REQ_C_COUNT);	1990	dREQ (REQ_C_COUNT, 1);
1519	req->dbc = dbc;	1991	req->dbc = dbc;
1520	req->sv1 = SvREFCNT_inc (count);	1992	req->sv1 = SvREFCNT_inc (count);
1521	REQ_SEND;	1993	REQ_SEND;
1522	}	1994	}
1523		1995
1524	void	1996	void
1525	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1997	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1998	PREINIT:
		1999	CALLBACK
1526	CODE:	2000	CODE:
1527	{	2001	{
1528	dREQ (REQ_C_PUT);	2002	dREQ (REQ_C_PUT, 1);
1529	req->dbc = dbc;	2003	req->dbc = dbc;
1530	sv_to_dbt (&req->dbt1, key);	2004	sv_to_dbt (&req->dbt1, key);
1531	sv_to_dbt (&req->dbt2, data);	2005	sv_to_dbt (&req->dbt2, data);
1532	req->uint1 = flags;	2006	req->uint1 = flags;
1533	REQ_SEND;	2007	REQ_SEND;
1534	}	2008	}
1535		2009
1536	void	2010	void
1537	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	2011	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2012	PREINIT:
		2013	CALLBACK
1538	CODE:	2014	CODE:
1539	{	2015	{
		2016	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2017	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2018	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2019	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2020	"key",
		2021	"BDB::db_c_get");
		2022
		2023	{
1540	dREQ (REQ_C_GET);	2024	dREQ (REQ_C_GET, 1);
		2025	req->dbc = dbc;
		2026	req->uint1 = flags;
		2027	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2028	sv_to_dbt (&req->dbt1, key);
		2029	else
		2030	{
		2031	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2032	sv_to_dbt (&req->dbt1, key);
		2033	else
		2034	req->dbt1.flags = DB_DBT_MALLOC;
		2035
		2036	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2037	}
		2038
		2039	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2040	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2041	sv_to_dbt (&req->dbt3, data);
		2042	else
		2043	req->dbt3.flags = DB_DBT_MALLOC;
		2044
		2045	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2046	REQ_SEND;
		2047	}
		2048	}
		2049
		2050	void
		2051	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2052	PREINIT:
		2053	CALLBACK
		2054	CODE:
		2055	{
		2056	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2057	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2058	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2059	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2060	"key",
		2061	"BDB::db_c_pget");
		2062
		2063	{
		2064	dREQ (REQ_C_PGET, 1);
		2065	req->dbc = dbc;
		2066	req->uint1 = flags;
		2067	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2068	sv_to_dbt (&req->dbt1, key);
		2069	else
		2070	{
		2071	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2072	sv_to_dbt (&req->dbt1, key);
		2073	else
		2074	req->dbt1.flags = DB_DBT_MALLOC;
		2075
		2076	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2077	}
		2078
		2079	req->dbt2.flags = DB_DBT_MALLOC;
		2080	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2081
		2082	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2083	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2084	sv_to_dbt (&req->dbt3, data);
		2085	else
		2086	req->dbt3.flags = DB_DBT_MALLOC;
		2087
		2088	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2089	REQ_SEND;
		2090	}
		2091	}
		2092
		2093	void
		2094	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2095	PREINIT:
		2096	CALLBACK
		2097	CODE:
		2098	{
		2099	dREQ (REQ_C_DEL, 1);
1541	req->dbc = dbc;	2100	req->dbc = dbc;
1542	req->uint1 = flags;	2101	req->uint1 = flags;
1543	if ((flags & DB_SET) == DB_SET
1544	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1545	sv_to_dbt (&req->dbt1, key);
1546	else
1547	req->dbt1.flags = DB_DBT_MALLOC;
1548
1549	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1550
1551	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1552	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1553	sv_to_dbt (&req->dbt3, data);
1554	else
1555	req->dbt3.flags = DB_DBT_MALLOC;
1556
1557	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1558	REQ_SEND;	2102	REQ_SEND;
1559	}	2103	}
1560		2104
1561	void
1562	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1563	CODE:
1564	{
1565	dREQ (REQ_C_PGET);
1566	req->dbc = dbc;
1567	req->uint1 = flags;
1568	if ((flags & DB_SET) == DB_SET
1569	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1570	sv_to_dbt (&req->dbt1, key);
1571	else
1572	req->dbt1.flags = DB_DBT_MALLOC;
1573		2105
1574	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2106	#if DBVER >= 403
1575		2107
1576	req->dbt2.flags = DB_DBT_MALLOC;
1577	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1578
1579	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1580	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1581	sv_to_dbt (&req->dbt3, data);
1582	else
1583	req->dbt3.flags = DB_DBT_MALLOC;
1584
1585	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1586	REQ_SEND;
1587	}
1588
1589	void	2108	void
1590	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1591	CODE:
1592	{
1593	dREQ (REQ_C_DEL);
1594	req->dbc = dbc;
1595	req->uint1 = flags;
1596	REQ_SEND;
1597	}
1598
1599
1600	void
1601	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	2109	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2110	PREINIT:
		2111	CALLBACK
1602	CODE:	2112	CODE:
1603	{	2113	{
1604	dREQ (REQ_SEQ_OPEN);	2114	dREQ (REQ_SEQ_OPEN, 2);
1605	req->seq = seq;	2115	req->seq = seq;
1606	req->txn = txnid;	2116	req->txn = txnid;
1607	req->uint1 = flags | DB_THREAD;	2117	req->uint1 = flags | DB_THREAD;
1608	sv_to_dbt (&req->dbt1, key);	2118	sv_to_dbt (&req->dbt1, key);
1609	REQ_SEND;	2119	REQ_SEND;
1610	}	2120	}
1611		2121
1612	void	2122	void
1613	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	2123	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2124	PREINIT:
		2125	CALLBACK
1614	CODE:	2126	CODE:
1615	{	2127	{
1616	dREQ (REQ_SEQ_CLOSE);	2128	dREQ (REQ_SEQ_CLOSE, 0);
		2129	ptr_nuke (ST (0));
1617	req->seq = seq;	2130	req->seq = seq;
1618	req->uint1 = flags;	2131	req->uint1 = flags;
1619	REQ_SEND;	2132	REQ_SEND;
1620	ptr_nuke (ST (0));
1621	}	2133	}
1622		2134
1623	void	2135	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)	2136	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2137	PREINIT:
		2138	CALLBACK
1625	CODE:	2139	CODE:
1626	{	2140	{
1627	dREQ (REQ_SEQ_GET);	2141	dREQ (REQ_SEQ_GET, 2);
1628	req->seq = seq;	2142	req->seq = seq;
1629	req->txn = txnid;	2143	req->txn = txnid;
1630	req->int1 = delta;	2144	req->int1 = delta;
1631	req->uint1 = flags;	2145	req->uint1 = flags;
1632	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2146	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1633	REQ_SEND;	2147	REQ_SEND;
1634	}	2148	}
1635		2149
1636	void	2150	void
1637	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2151	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2152	PREINIT:
		2153	CALLBACK
1638	CODE:	2154	CODE:
1639	{	2155	{
1640	dREQ (REQ_SEQ_REMOVE);	2156	dREQ (REQ_SEQ_REMOVE, 2);
1641	req->seq = seq;	2157	req->seq = seq;
1642	req->txn = txnid;	2158	req->txn = txnid;
1643	req->uint1 = flags;	2159	req->uint1 = flags;
1644	REQ_SEND;	2160	REQ_SEND;
1645	}	2161	}
1646		2162
		2163	#endif
		2164
1647		2165
1648	MODULE = BDB PACKAGE = BDB::Env	2166	MODULE = BDB PACKAGE = BDB::Env
1649		2167
1650	void	2168	void
1651	DESTROY (DB_ENV_ornull *env)	2169	DESTROY (DB_ENV_ornuked *env)
1652	CODE:	2170	CODE:
1653	if (env)	2171	if (env)
1654	env->close (env, 0);	2172	env->close (env, 0);
1655		2173
1656	int set_data_dir (DB_ENV *env, const char *dir)	2174	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1681	CODE:	2199	CODE:
1682	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2200	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1683	OUTPUT:	2201	OUTPUT:
1684	RETVAL	2202	RETVAL
1685		2203
1686	int set_flags (DB_ENV *env, U32 flags, int onoff)	2204	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1687	CODE:	2205	CODE:
1688	RETVAL = env->set_flags (env, flags, onoff);	2206	RETVAL = env->set_flags (env, flags, onoff);
1689	OUTPUT:	2207	OUTPUT:
1690	RETVAL	2208	RETVAL
1691		2209
		2210	#if DBVER >= 407
		2211
		2212	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2213	CODE:
		2214	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2215	OUTPUT:
		2216	RETVAL
		2217
		2218	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2219	CODE:
		2220	RETVAL = env->log_set_config (env, flags, onoff);
		2221	OUTPUT:
		2222	RETVAL
		2223
		2224	#endif
		2225
		2226
1692	void set_errfile (DB_ENV *env, FILE *errfile = 0)	2227	void set_errfile (DB_ENV *env, FILE *errfile = 0)
1693	CODE:	2228	CODE:
1694	env->set_errfile (env, errfile);	2229	env->set_errfile (env, errfile);
1695		2230
1696	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)	2231	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1697	CODE:	2232	CODE:
1698	env->set_msgfile (env, msgfile);	2233	env->set_msgfile (env, msgfile);
1699		2234
1700	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2235	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1701	CODE:	2236	CODE:
1702	RETVAL = env->set_verbose (env, which, onoff);	2237	RETVAL = env->set_verbose (env, which, onoff);
1703	OUTPUT:	2238	OUTPUT:
1704	RETVAL	2239	RETVAL
1705		2240
…		…
1707	CODE:	2242	CODE:
1708	RETVAL = env->set_encrypt (env, password, flags);	2243	RETVAL = env->set_encrypt (env, password, flags);
1709	OUTPUT:	2244	OUTPUT:
1710	RETVAL	2245	RETVAL
1711		2246
1712	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2247	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1713	CODE:	2248	CODE:
1714	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2249	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1715	OUTPUT:	2250	OUTPUT:
1716	RETVAL	2251	RETVAL
1717		2252
…		…
1766	int set_lg_max (DB_ENV *env, U32 max)	2301	int set_lg_max (DB_ENV *env, U32 max)
1767	CODE:	2302	CODE:
1768	RETVAL = env->set_lg_max (env, max);	2303	RETVAL = env->set_lg_max (env, max);
1769	OUTPUT:	2304	OUTPUT:
1770	RETVAL	2305	RETVAL
		2306
		2307	#if DBVER >= 404
		2308
		2309	int mutex_set_max (DB_ENV *env, U32 max)
		2310	CODE:
		2311	RETVAL = env->mutex_set_max (env, max);
		2312	OUTPUT:
		2313	RETVAL
		2314
		2315	int mutex_set_increment (DB_ENV *env, U32 increment)
		2316	CODE:
		2317	RETVAL = env->mutex_set_increment (env, increment);
		2318	OUTPUT:
		2319	RETVAL
		2320
		2321	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2322	CODE:
		2323	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2324	OUTPUT:
		2325	RETVAL
		2326
		2327	int mutex_set_align (DB_ENV *env, U32 align)
		2328	CODE:
		2329	RETVAL = env->mutex_set_align (env, align);
		2330	OUTPUT:
		2331	RETVAL
		2332
		2333	#endif
1771		2334
1772	DB_TXN *	2335	DB_TXN *
1773	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2336	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1774	CODE:	2337	CODE:
1775	errno = env->txn_begin (env, parent, &RETVAL, flags);	2338	errno = env->txn_begin (env, parent, &RETVAL, flags);
1776	if (errno)	2339	if (errno)
1777	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2340	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1778	OUTPUT:	2341	OUTPUT:
1779	RETVAL	2342	RETVAL
1780		2343
		2344	#if DBVER >= 405
		2345
		2346	DB_TXN *
		2347	cdsgroup_begin (DB_ENV *env)
		2348	CODE:
		2349	errno = env->cdsgroup_begin (env, &RETVAL);
		2350	if (errno)
		2351	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2352	OUTPUT:
		2353	RETVAL
		2354
		2355	#endif
		2356
1781	MODULE = BDB PACKAGE = BDB::Db	2357	MODULE = BDB PACKAGE = BDB::Db
1782		2358
1783	void	2359	void
1784	DESTROY (DB_ornull *db)	2360	DESTROY (DB_ornuked *db)
1785	CODE:	2361	CODE:
1786	if (db)	2362	if (db)
1787	{	2363	{
1788	SV *env = (SV *)db->app_private;	2364	SV *env = (SV *)db->app_private;
1789	db->close (db, 0);	2365	db->close (db, 0);
…		…
1794	CODE:	2370	CODE:
1795	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2371	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1796	OUTPUT:	2372	OUTPUT:
1797	RETVAL	2373	RETVAL
1798		2374
		2375	int set_pagesize (DB *db, U32 pagesize)
		2376	CODE:
		2377	RETVAL = db->set_pagesize (db, pagesize);
		2378	OUTPUT:
		2379	RETVAL
		2380
1799	int set_flags (DB *db, U32 flags)	2381	int set_flags (DB *db, U32 flags)
1800	CODE:	2382	CODE:
1801	RETVAL = db->set_flags (db, flags);	2383	RETVAL = db->set_flags (db, flags);
1802	OUTPUT:	2384	OUTPUT:
1803	RETVAL	2385	RETVAL
…		…
1869	if (errno)	2451	if (errno)
1870	croak ("DB->cursor: %s", db_strerror (errno));	2452	croak ("DB->cursor: %s", db_strerror (errno));
1871	OUTPUT:	2453	OUTPUT:
1872	RETVAL	2454	RETVAL
1873		2455
		2456	#if DBVER >= 403
		2457
1874	DB_SEQUENCE *	2458	DB_SEQUENCE *
1875	sequence (DB *db, U32 flags = 0)	2459	sequence (DB *db, U32 flags = 0)
1876	CODE:	2460	CODE:
1877	{	2461	{
1878	errno = db_sequence_create (&RETVAL, db, flags);	2462	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1880	croak ("db_sequence_create: %s", db_strerror (errno));	2464	croak ("db_sequence_create: %s", db_strerror (errno));
1881	}	2465	}
1882	OUTPUT:	2466	OUTPUT:
1883	RETVAL	2467	RETVAL
1884		2468
		2469	#endif
		2470
1885		2471
1886	MODULE = BDB PACKAGE = BDB::Txn	2472	MODULE = BDB PACKAGE = BDB::Txn
1887		2473
1888	void	2474	void
1889	DESTROY (DB_TXN_ornull *txn)	2475	DESTROY (DB_TXN_ornuked *txn)
1890	CODE:	2476	CODE:
1891	if (txn)	2477	if (txn)
1892	txn->abort (txn);	2478	txn->abort (txn);
1893		2479
1894	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2480	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1895	CODE:	2481	CODE:
1896	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2482	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1897	OUTPUT:	2483	OUTPUT:
1898	RETVAL	2484	RETVAL
1899		2485
		2486	int failed (DB_TXN *txn)
		2487	CODE:
		2488	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2489	OUTPUT:
		2490	RETVAL
		2491
1900		2492
1901	MODULE = BDB PACKAGE = BDB::Cursor	2493	MODULE = BDB PACKAGE = BDB::Cursor
1902		2494
1903	void	2495	void
1904	DESTROY (DBC_ornull *dbc)	2496	DESTROY (DBC_ornuked *dbc)
1905	CODE:	2497	CODE:
1906	if (dbc)	2498	if (dbc)
1907	dbc->c_close (dbc);	2499	dbc->c_close (dbc);
1908		2500
		2501	#if DBVER >= 406
		2502
		2503	int set_priority (DBC *dbc, int priority)
		2504	CODE:
		2505	dbc->set_priority (dbc, priority);
		2506
		2507	#endif
		2508
		2509	#if DBVER >= 403
		2510
1909	MODULE = BDB PACKAGE = BDB::Sequence	2511	MODULE = BDB PACKAGE = BDB::Sequence
1910		2512
1911	void	2513	void
1912	DESTROY (DB_SEQUENCE_ornull *seq)	2514	DESTROY (DB_SEQUENCE_ornuked *seq)
1913	CODE:	2515	CODE:
1914	if (seq)	2516	if (seq)
1915	seq->close (seq, 0);	2517	seq->close (seq, 0);
1916		2518
1917	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2519	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1936	CODE:	2538	CODE:
1937	RETVAL = seq->set_range (seq, min, max);	2539	RETVAL = seq->set_range (seq, min, max);
1938	OUTPUT:	2540	OUTPUT:
1939	RETVAL	2541	RETVAL
1940		2542
		2543	#endif
		2544
		2545

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