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Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.70 by root, Wed Jul 15 14:53:52 2009 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	#include "schmorp.h"
		12
		13	// perl stupidly defines these as argument-less macros, breaking
		14	// lots and lots of code.
		15	#undef open
		16	#undef close
		17	#undef abort
		18	#undef malloc
		19	#undef free
		20	#undef send
18		21
19	#include <stddef.h>	22	#include <stddef.h>
20	#include <stdlib.h>	23	#include <stdlib.h>
21	#include <errno.h>	24	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	25	#include <sys/types.h>
24	#include <limits.h>	26	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	27	#include <fcntl.h>
27		28
		29	#ifndef _WIN32
		30	# include <sys/time.h>
		31	# include <unistd.h>
		32	#endif
		33
28	#include <db.h>	34	#include <db.h>
		35
		36	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		38	#endif
29		39
30	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
32		42
33	/* wether word reads are potentially non-atomic.	43	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	44
35	* on have atomic word read/writes.	45	typedef DB_ENV DB_ENV_ornull;
36	*/	46	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	47	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	48	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	49
40	# else	50	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	58	#endif
43	#endif
44		59
45	typedef SV SV8; /* byte-sv, used for argument-checking */	60	typedef char *bdb_filename;
46	typedef char *octetstring;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
49		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
50	static inline char *	74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
51	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
52	{	118	{
53	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
54	}	120	}
55		121
		122	static void
		123	sv_to_dbt (DBT *dbt, SV *sv)
		124	{
		125	STRLEN len;
		126	char *data = SvPVbyte (sv, len);
		127
		128	dbt->data = malloc (len);
		129	memcpy (dbt->data, data, len);
		130	dbt->size = len;
		131	dbt->flags = DB_DBT_REALLOC;
		132	}
		133
		134	static void
		135	dbt_to_sv (SV *sv, DBT *dbt)
		136	{
		137	if (sv)
		138	{
		139	SvREADONLY_off (sv);
		140
		141	if (dbt->data)
		142	sv_setpvn_mg (sv, dbt->data, dbt->size);
		143	else
		144	sv_setsv_mg (sv, &PL_sv_undef);
		145
		146	SvREFCNT_dec (sv);
		147	}
		148
		149	free (dbt->data);
		150	}
		151
56	enum {	152	enum {
57	REQ_QUIT,	153	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	154	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		155	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		156	REQ_ENV_LOG_ARCHIVE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	157	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
		158	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		159	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		160	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		161	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	162	};
61		163
62	typedef struct aio_cb	164	typedef struct bdb_cb
63	{	165	{
64	struct aio_cb *volatile next;	166	struct bdb_cb *volatile next;
65	SV *callback;	167	SV *callback;
66	int type, pri, result;	168	int type, pri, result;
67		169
68	DB_ENV *env;	170	DB_ENV *env;
69	DB *db;	171	DB *db;
70	DB_TXN *txn;	172	DB_TXN *txn;
71	DBC *cursor;	173	DBC *dbc;
		174
		175	UV uv1;
72	int int1, int2;	176	int int1, int2;
73	U32 uint1, uint2;	177	U32 uint1, uint2;
74	char *buf1, *buf2;	178	char *buf1, *buf2, *buf3;
		179	SV *sv1, *sv2, *sv3;
75		180
76	DBT dbt1, dbt2, dbt3;	181	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	182	DB_KEY_RANGE key_range;
		183	#if DB_VERSION_MINOR >= 3
		184	DB_SEQUENCE *seq;
		185	db_seq_t seq_t;
		186	#endif
78		187
		188	SV *rsv1, *rsv2; // keep some request objects alive
		189	} bdb_cb;
		190
79	typedef aio_cb *aio_req;	191	typedef bdb_cb *bdb_req;
80		192
81	enum {	193	enum {
82	PRI_MIN = -4,	194	PRI_MIN = -4,
83	PRI_MAX = 4,	195	PRI_MAX = 4,
84		196
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	199	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	200	};
89		201
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	202	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		203
		204	static SV *on_next_submit;
		205
92	static unsigned int max_poll_time = 0;	206	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	207	static unsigned int max_poll_reqs = 0;
94		208
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	209	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	210	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		215
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	216	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		217
104	static unsigned int started, idle, wanted;	218	static unsigned int started, idle, wanted;
105		219
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	220	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	221	static mutex_t wrklock = X_MUTEX_INIT;
117		222
118	typedef struct worker {	223	typedef struct worker {
119	/* locked by wrklock */	224	/* locked by wrklock */
120	struct worker *prev, *next;	225	struct worker *prev, *next;
121		226
122	pthread_t tid;	227	thread_t tid;
123		228
124	/* locked by reslock, reqlock or wrklock */	229	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	230	bdb_req req; /* currently processed request */
126	void *dbuf;	231	void *dbuf;
127	DIR *dirp;	232	DIR *dirp;
128	} worker;	233	} worker;
129		234
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	235	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	247	}
143		248
144	static volatile unsigned int nreqs, nready, npending;	249	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	250	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	251	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	252	static s_epipe respipe;
148		253
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	254	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	255	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	256	static cond_t reqwait = X_COND_INIT;
152		257
153	#if WORDACCESS_UNSAFE	258	#if WORDACCESS_UNSAFE
154		259
155	static unsigned int get_nready ()	260	static unsigned int get_nready (void)
156	{	261	{
157	unsigned int retval;	262	unsigned int retval;
158		263
159	LOCK (reqlock);	264	X_LOCK (reqlock);
160	retval = nready;	265	retval = nready;
161	UNLOCK (reqlock);	266	X_UNLOCK (reqlock);
162		267
163	return retval;	268	return retval;
164	}	269	}
165		270
166	static unsigned int get_npending ()	271	static unsigned int get_npending (void)
167	{	272	{
168	unsigned int retval;	273	unsigned int retval;
169		274
170	LOCK (reslock);	275	X_LOCK (reslock);
171	retval = npending;	276	retval = npending;
172	UNLOCK (reslock);	277	X_UNLOCK (reslock);
173		278
174	return retval;	279	return retval;
175	}	280	}
176		281
177	static unsigned int get_nthreads ()	282	static unsigned int get_nthreads (void)
178	{	283	{
179	unsigned int retval;	284	unsigned int retval;
180		285
181	LOCK (wrklock);	286	X_LOCK (wrklock);
182	retval = started;	287	retval = started;
183	UNLOCK (wrklock);	288	X_UNLOCK (wrklock);
184		289
185	return retval;	290	return retval;
186	}	291	}
187		292
188	#else	293	#else
…		…
197	* a somewhat faster data structure might be nice, but	302	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	303	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	304	* per shift, the most expensive operation.
200	*/	305	*/
201	typedef struct {	306	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	307	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	308	int size;
204	} reqq;	309	} reqq;
205		310
206	static reqq req_queue;	311	static reqq req_queue;
207	static reqq res_queue;	312	static reqq res_queue;
208		313
209	int reqq_push (reqq *q, aio_req req)	314	int reqq_push (reqq *q, bdb_req req)
210	{	315	{
211	int pri = req->pri;	316	int pri = req->pri;
212	req->next = 0;	317	req->next = 0;
213		318
214	if (q->qe[pri])	319	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	325	q->qe[pri] = q->qs[pri] = req;
221		326
222	return q->size++;	327	return q->size++;
223	}	328	}
224		329
225	aio_req reqq_shift (reqq *q)	330	bdb_req reqq_shift (reqq *q)
226	{	331	{
227	int pri;	332	int pri;
228		333
229	if (!q->size)	334	if (!q->size)
230	return 0;	335	return 0;
231		336
232	--q->size;	337	--q->size;
233		338
234	for (pri = NUM_PRI; pri--; )	339	for (pri = NUM_PRI; pri--; )
235	{	340	{
236	aio_req req = q->qs[pri];	341	bdb_req req = q->qs[pri];
237		342
238	if (req)	343	if (req)
239	{	344	{
240	if (!(q->qs[pri] = req->next))	345	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	346	q->qe[pri] = 0;
…		…
245	}	350	}
246		351
247	abort ();	352	abort ();
248	}	353	}
249		354
250	static int poll_cb ();	355	static int poll_cb (void);
251	static void req_free (aio_req req);	356	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);
253		357
254	static int req_invoke (aio_req req)	358	static int req_invoke (bdb_req req)
255	{	359	{
256	dSP;	360	switch (req->type)
257
258	if (SvOK (req->callback))
259	{	361	{
		362	case REQ_DB_CLOSE:
		363	SvREFCNT_dec (req->sv1);
		364	break;
		365
		366	case REQ_DB_GET:
		367	case REQ_DB_PGET:
		368	case REQ_C_GET:
		369	case REQ_C_PGET:
		370	case REQ_DB_PUT:
		371	case REQ_C_PUT:
		372	dbt_to_sv (req->sv1, &req->dbt1);
		373	dbt_to_sv (req->sv2, &req->dbt2);
		374	dbt_to_sv (req->sv3, &req->dbt3);
		375	break;
		376
		377	case REQ_DB_KEY_RANGE:
		378	{
		379	AV *av = newAV ();
		380
		381	av_push (av, newSVnv (req->key_range.less));
		382	av_push (av, newSVnv (req->key_range.equal));
		383	av_push (av, newSVnv (req->key_range.greater));
		384
		385	av = (AV *)newRV_noinc ((SV *)av);
		386
		387	SvREADONLY_off (req->sv1);
		388	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		389	SvREFCNT_dec (av);
		390	SvREFCNT_dec (req->sv1);
		391	}
		392	break;
		393
		394	#if DB_VERSION_MINOR >= 3
		395	case REQ_SEQ_GET:
		396	SvREADONLY_off (req->sv1);
		397
		398	if (sizeof (IV) > 4)
		399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		400	else
		401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		402
		403	SvREFCNT_dec (req->sv1);
		404	break;
		405	#endif
		406
		407	case REQ_ENV_LOG_ARCHIVE:
		408	{
		409	AV *av = newAV ();
		410	char **listp = (char **)req->buf1;
		411
		412	if (listp)
		413	while (*listp)
		414	av_push (av, newSVpv (*listp, 0)), ++listp;
		415
		416	av = (AV *)newRV_noinc ((SV *)av);
		417
		418	SvREADONLY_off (req->sv1);
		419	sv_setsv_mg (req->sv1, (SV *)av);
		420	SvREFCNT_dec (av);
		421	SvREFCNT_dec (req->sv1);
		422	}
		423	break;
		424	}
		425
		426	errno = req->result;
		427
		428	if (req->callback)
		429	{
		430	dSP;
		431
260	ENTER;	432	ENTER;
261	SAVETMPS;	433	SAVETMPS;
262	PUSHMARK (SP);	434	PUSHMARK (SP);
263	EXTEND (SP, 1);
264
265	switch (req->type)
266	{
267	}
268
269	errno = req->result;
270		435
271	PUTBACK;	436	PUTBACK;
272	call_sv (req->callback, G_VOID | G_EVAL);	437	call_sv (req->callback, G_VOID | G_EVAL);
273	SPAGAIN;	438	SPAGAIN;
274		439
275	FREETMPS;	440	FREETMPS;
276	LEAVE;	441	LEAVE;
		442
		443	return !SvTRUE (ERRSV);
277	}	444	}
278		445
279	return !SvTRUE (ERRSV);	446	return 1;
280	}	447	}
281		448
282	static void req_free (aio_req req)	449	static void req_free (bdb_req req)
283	{	450	{
		451	SvREFCNT_dec (req->callback);
		452
		453	SvREFCNT_dec (req->rsv1);
		454	SvREFCNT_dec (req->rsv2);
		455
284	free (req->buf1);	456	free (req->buf1);
285	free (req->buf2);	457	free (req->buf2);
		458	free (req->buf3);
		459
286	Safefree (req);	460	Safefree (req);
287	}	461	}
288		462
289	static void *aio_proc (void *arg);	463	static void
		464	create_respipe (void)
		465	{
		466	if (s_epipe_renew (&respipe))
		467	croak ("BDB: unable to create event pipe");
		468	}
		469
		470	static void bdb_request (bdb_req req);
		471	X_THREAD_PROC (bdb_proc);
290		472
291	static void start_thread (void)	473	static void start_thread (void)
292	{	474	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	475	worker *wrk = calloc (1, sizeof (worker));
297		476
298	if (!wrk)	477	if (!wrk)
299	croak ("unable to allocate worker thread data");	478	croak ("unable to allocate worker thread data");
300		479
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	480	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	481	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	482	{
314	wrk->prev = &wrk_first;	483	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	484	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	485	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	486	wrk_first.next = wrk;
318	++started;	487	++started;
319	}	488	}
320	else	489	else
321	free (wrk);	490	free (wrk);
322		491
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	492	X_UNLOCK (wrklock);
325	}	493	}
326		494
327	static void maybe_start_thread ()	495	static void maybe_start_thread (void)
328	{	496	{
329	if (get_nthreads () >= wanted)	497	if (get_nthreads () >= wanted)
330	return;	498	return;
331		499
332	/* todo: maybe use idle here, but might be less exact */	500	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	502	return;
335		503
336	start_thread ();	504	start_thread ();
337	}	505	}
338		506
339	static void req_send (aio_req req)	507	static void req_send (bdb_req req)
340	{	508	{
341	SV *wait_callback = 0;	509	SV *wait_callback = 0;
342		510
343	// synthesize callback if none given	511	if (on_next_submit)
344	if (!SvOK (req->callback))
345	{	512	{
346	dSP;	513	dSP;
		514	SV *cb = sv_2mortal (on_next_submit);
		515
		516	on_next_submit = 0;
		517
347	PUSHMARK (SP);	518	PUSHMARK (SP);
348	PUTBACK;	519	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	520	call_sv (cb, G_DISCARD | G_EVAL);
350	SPAGAIN;	521	SPAGAIN;
351
352	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");
354
355	wait_callback = SvREFCNT_inc (POPs);
356	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);
358	}	522	}
359		523
		524	// synthesize callback if none given
		525	if (!req->callback)
		526	{
		527	if (SvOK (prepare_cb))
		528	{
		529	int count;
		530
		531	dSP;
		532	PUSHMARK (SP);
		533	PUTBACK;
		534	count = call_sv (prepare_cb, G_ARRAY);
		535	SPAGAIN;
		536
		537	if (count != 2)
		538	croak ("sync prepare callback must return exactly two values\n");
		539
		540	wait_callback = POPs;
		541	req->callback = SvREFCNT_inc (POPs);
		542	}
		543	else
		544	{
		545	// execute request synchronously
		546	bdb_request (req);
		547	req_invoke (req);
		548	req_free (req);
		549	return;
		550	}
		551	}
		552
360	++nreqs;	553	++nreqs;
361		554
362	LOCK (reqlock);	555	X_LOCK (reqlock);
363	++nready;	556	++nready;
364	reqq_push (&req_queue, req);	557	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	558	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	559	X_UNLOCK (reqlock);
367		560
368	maybe_start_thread ();	561	maybe_start_thread ();
369		562
370	if (wait_callback)	563	if (wait_callback)
371	{	564	{
372	dSP;	565	dSP;
373	PUSHMARK (SP);	566	PUSHMARK (SP);
374	PUTBACK;	567	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	568	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	569	}
378	}	570	}
379		571
380	static void end_thread (void)	572	static void end_thread (void)
381	{	573	{
382	aio_req req;	574	bdb_req req = calloc (1, sizeof (bdb_cb));
383
384	Newz (0, req, 1, aio_cb);
385		575
386	req->type = REQ_QUIT;	576	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	577	req->pri = PRI_MAX + PRI_BIAS;
388		578
389	LOCK (reqlock);	579	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	580	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	581	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	582	X_UNLOCK (reqlock);
393		583
394	LOCK (wrklock);	584	X_LOCK (wrklock);
395	--started;	585	--started;
396	UNLOCK (wrklock);	586	X_UNLOCK (wrklock);
397	}	587	}
398		588
399	static void set_max_idle (int nthreads)	589	static void set_max_idle (int nthreads)
400	{	590	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	591	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	592	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	593	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	594	}
405		595
406	static void min_parallel (int nthreads)	596	static void min_parallel (int nthreads)
407	{	597	{
408	if (wanted < nthreads)	598	if (wanted < nthreads)
…		…
416		606
417	while (started > wanted)	607	while (started > wanted)
418	end_thread ();	608	end_thread ();
419	}	609	}
420		610
421	static void poll_wait ()	611	static void poll_wait (void)
422	{	612	{
423	fd_set rfd;
424
425	while (nreqs)	613	while (nreqs)
426	{	614	{
427	int size;	615	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	616	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	617	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	618	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		619
432	if (size)	620	if (size)
433	return;	621	return;
434		622
435	maybe_start_thread ();	623	maybe_start_thread ();
436		624
437	FD_ZERO(&rfd);	625	s_epipe_wait (&respipe);
438	FD_SET(respipe [0], &rfd);
439
440	select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	626	}
442	}	627	}
443		628
444	static int poll_cb ()	629	static int poll_cb (void)
445	{	630	{
446	dSP;	631	dSP;
447	int count = 0;	632	int count = 0;
448	int maxreqs = max_poll_reqs;	633	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	634	int do_croak = 0;
450	struct timeval tv_start, tv_now;	635	struct timeval tv_start, tv_now;
451	aio_req req;	636	bdb_req req;
452		637
453	if (max_poll_time)	638	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	639	gettimeofday (&tv_start, 0);
455		640
456	for (;;)	641	for (;;)
457	{	642	{
458	for (;;)	643	for (;;)
459	{	644	{
460	maybe_start_thread ();	645	maybe_start_thread ();
461		646
462	LOCK (reslock);	647	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	648	req = reqq_shift (&res_queue);
464		649
465	if (req)	650	if (req)
466	{	651	{
467	--npending;	652	--npending;
468		653
469	if (!res_queue.size)	654	if (!res_queue.size)
470	{
471	/* read any signals sent by the worker threads */	655	/* read any signals sent by the worker threads */
472	char buf [4];	656	s_epipe_drain (&respipe);
473	while (read (respipe [0], buf, 4) == 4)
474	;
475	}
476	}	657	}
477		658
478	UNLOCK (reslock);	659	X_UNLOCK (reslock);
479		660
480	if (!req)	661	if (!req)
481	break;	662	break;
482		663
483	--nreqs;	664	--nreqs;
…		…
513	}	694	}
514		695
515	return count;	696	return count;
516	}	697	}
517		698
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	699	/*****************************************************************************/
531		700
532	static void *aio_proc (void *thr_arg)	701	static void
		702	bdb_request (bdb_req req)
533	{	703	{
		704	switch (req->type)
		705	{
		706	case REQ_ENV_OPEN:
		707	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		708	break;
		709
		710	case REQ_ENV_CLOSE:
		711	req->result = req->env->close (req->env, req->uint1);
		712	break;
		713
		714	case REQ_ENV_TXN_CHECKPOINT:
		715	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		716	break;
		717
		718	case REQ_ENV_LOCK_DETECT:
		719	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		720	break;
		721
		722	case REQ_ENV_MEMP_SYNC:
		723	req->result = req->env->memp_sync (req->env, 0);
		724	break;
		725
		726	case REQ_ENV_MEMP_TRICKLE:
		727	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		728	break;
		729
		730	case REQ_ENV_DBREMOVE:
		731	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		732	break;
		733
		734	case REQ_ENV_DBRENAME:
		735	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		736	break;
		737
		738	case REQ_DB_OPEN:
		739	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		740	break;
		741
		742	case REQ_DB_CLOSE:
		743	req->result = req->db->close (req->db, req->uint1);
		744	break;
		745
		746	#if DB_VERSION_MINOR >= 4
		747	case REQ_DB_COMPACT:
		748	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);
		749	break;
		750	#endif
		751
		752	case REQ_DB_SYNC:
		753	req->result = req->db->sync (req->db, req->uint1);
		754	break;
		755
		756	case REQ_DB_VERIFY:
		757	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		758	break;
		759
		760	case REQ_DB_UPGRADE:
		761	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		762	break;
		763
		764	case REQ_DB_PUT:
		765	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		766	break;
		767
		768	#if DB_VERSION_MINOR >= 6
		769	case REQ_DB_EXISTS:
		770	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		771	break;
		772	#endif
		773	case REQ_DB_GET:
		774	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		775	break;
		776
		777	case REQ_DB_PGET:
		778	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		779	break;
		780
		781	case REQ_DB_DEL:
		782	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		783	break;
		784
		785	case REQ_DB_KEY_RANGE:
		786	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		787	break;
		788
		789	case REQ_TXN_COMMIT:
		790	req->result = req->txn->commit (req->txn, req->uint1);
		791	break;
		792
		793	case REQ_TXN_ABORT:
		794	req->result = req->txn->abort (req->txn);
		795	break;
		796
		797	case REQ_TXN_FINISH:
		798	if (req->txn->flags & TXN_DEADLOCK)
		799	{
		800	req->result = req->txn->abort (req->txn);
		801	if (!req->result)
		802	req->result = DB_LOCK_DEADLOCK;
		803	}
		804	else
		805	req->result = req->txn->commit (req->txn, req->uint1);
		806	break;
		807
		808	case REQ_C_CLOSE:
		809	req->result = req->dbc->c_close (req->dbc);
		810	break;
		811
		812	case REQ_C_COUNT:
		813	{
		814	db_recno_t recno;
		815	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		816	req->uv1 = recno;
		817	}
		818	break;
		819
		820	case REQ_C_PUT:
		821	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		822	break;
		823
		824	case REQ_C_GET:
		825	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		826	break;
		827
		828	case REQ_C_PGET:
		829	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		830	break;
		831
		832	case REQ_C_DEL:
		833	req->result = req->dbc->c_del (req->dbc, req->uint1);
		834	break;
		835
		836	#if DB_VERSION_MINOR >= 3
		837	case REQ_SEQ_OPEN:
		838	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		839	break;
		840
		841	case REQ_SEQ_CLOSE:
		842	req->result = req->seq->close (req->seq, req->uint1);
		843	break;
		844
		845	case REQ_SEQ_GET:
		846	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		847	break;
		848
		849	case REQ_SEQ_REMOVE:
		850	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		851	break;
		852	#endif
		853
		854	case REQ_ENV_LOG_ARCHIVE:
		855	{
		856	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		857	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		858	req->buf1 = (char *)listp;
		859	}
		860	break;
		861
		862	default:
		863	req->result = ENOSYS;
		864	break;
		865	}
		866
		867	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		868	req->txn->flags |= TXN_DEADLOCK;
		869	}
		870
		871	X_THREAD_PROC (bdb_proc)
		872	{
534	aio_req req;	873	bdb_req req;
535	struct timespec ts;	874	struct timespec ts;
536	worker *self = (worker *)thr_arg;	875	worker *self = (worker *)thr_arg;
537		876
538	/* try to distribute timeouts somewhat evenly */	877	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	878	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		879
542	for (;;)	880	for (;;)
543	{	881	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	882	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		883
546	LOCK (reqlock);	884	X_LOCK (reqlock);
547		885
548	for (;;)	886	for (;;)
549	{	887	{
550	self->req = req = reqq_shift (&req_queue);	888	self->req = req = reqq_shift (&req_queue);
551		889
552	if (req)	890	if (req)
553	break;	891	break;
554		892
555	++idle;	893	++idle;
556		894
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	895	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	896	== ETIMEDOUT)
559	{	897	{
560	if (idle > max_idle)	898	if (idle > max_idle)
561	{	899	{
562	--idle;	900	--idle;
563	UNLOCK (reqlock);	901	X_UNLOCK (reqlock);
564	LOCK (wrklock);	902	X_LOCK (wrklock);
565	--started;	903	--started;
566	UNLOCK (wrklock);	904	X_UNLOCK (wrklock);
567	goto quit;	905	goto quit;
568	}	906	}
569		907
570	/* we are allowed to idle, so do so without any timeout */	908	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	909	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	910	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	911	}
574		912
575	--idle;	913	--idle;
576	}	914	}
577		915
578	--nready;	916	--nready;
579		917
580	UNLOCK (reqlock);	918	X_UNLOCK (reqlock);
581		919
582	switch (req->type)	920	if (req->type == REQ_QUIT)
583	{	921	{
584	case REQ_QUIT:	922	X_LOCK (reslock);
		923	free (req);
		924	self->req = 0;
		925	X_UNLOCK (reslock);
		926
585	goto quit;	927	goto quit;
586
587	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;
590
591	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);
593	break;
594
595	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;
598
599	case REQ_DB_CLOSE:
600	req->result = req->db->close (req->db, req->uint1);
601	break;
602
603	case REQ_DB_COMPACT:
604	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
605	break;
606
607	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);
609	break;
610
611	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;
614
615	default:
616	req->result = ENOSYS;
617	break;
618	}	928	}
619		929
		930	bdb_request (req);
		931
620	LOCK (reslock);	932	X_LOCK (reslock);
621		933
622	++npending;	934	++npending;
623		935
624	if (!reqq_push (&res_queue, req))	936	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	937	s_epipe_signal (&respipe);
626	write (respipe [1], &respipe, 1);
627		938
628	self->req = 0;	939	self->req = 0;
629	worker_clear (self);	940	worker_clear (self);
630		941
631	UNLOCK (reslock);	942	X_UNLOCK (reslock);
632	}	943	}
633		944
634	quit:	945	quit:
635	LOCK (wrklock);	946	X_LOCK (wrklock);
636	worker_free (self);	947	worker_free (self);
637	UNLOCK (wrklock);	948	X_UNLOCK (wrklock);
638		949
639	return 0;	950	return 0;
640	}	951	}
641		952
642	/*****************************************************************************/	953	/*****************************************************************************/
643		954
644	static void atfork_prepare (void)	955	static void atfork_prepare (void)
645	{	956	{
646	LOCK (wrklock);	957	X_LOCK (wrklock);
647	LOCK (reqlock);	958	X_LOCK (reqlock);
648	LOCK (reslock);	959	X_LOCK (reslock);
649	}	960	}
650		961
651	static void atfork_parent (void)	962	static void atfork_parent (void)
652	{	963	{
653	UNLOCK (reslock);	964	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	965	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	966	X_UNLOCK (wrklock);
656	}	967	}
657		968
658	static void atfork_child (void)	969	static void atfork_child (void)
659	{	970	{
660	aio_req prv;	971	bdb_req prv;
661		972
662	while (prv = reqq_shift (&req_queue))	973	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	974	req_free (prv);
664		975
665	while (prv = reqq_shift (&res_queue))	976	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	991	idle = 0;
681	nreqs = 0;	992	nreqs = 0;
682	nready = 0;	993	nready = 0;
683	npending = 0;	994	npending = 0;
684		995
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	996	create_respipe ();
688		997
689	atfork_parent ();	998	atfork_parent ();
690	}	999	}
691		1000
692	#define dREQ(reqtype) \	1001	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	1002	bdb_req req; \
694	int req_pri = next_pri; \	1003	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1004	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1005	\
697	if (SvOK (callback) && !SvROK (callback)) \	1006	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1007	croak ("callback has illegal type or extra arguments"); \
699	\	1008	\
700	Newz (0, req, 1, aio_cb); \	1009	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1010	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1011	croak ("out of memory during bdb_req allocation"); \
703	\	1012	\
704	req->callback = newSVsv (callback); \	1013	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1014	req->type = (reqtype); \
706	req->pri = req_pri	1015	req->pri = req_pri; \
		1016	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1017	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1018	(void)0;
707		1019
708	#define REQ_SEND \	1020	#define REQ_SEND \
709	req_send (req)	1021	req_send (req)
710		1022
711	#define SvPTR(var, arg, type, class) \	1023	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1024	if (!SvOK (arg)) \
		1025	{ \
		1026	if (nullok != 1) \
		1027	croak (# var " must be a " # class " object, not undef"); \
		1028	\
713	(var) = 0; \	1029	(var) = 0; \
		1030	} \
714	else if (sv_derived_from ((arg), # class)) \	1031	else if (sv_derived_from ((arg), # class)) \
715	{ \	1032	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1033	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1034	(var) = INT2PTR (type, tmp); \
		1035	if (!var && nullok != 2) \
		1036	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1037	} \
719	else \	1038	else \
720	Perl_croak (# var " is not of type " # class)	1039	croak (# var " is not of type " # class);
721		1040
722	inline void	1041	#define ARG_MUTABLE(name) \
723	set_dbt (DBT *dbt, SV *sv)	1042	if (SvREADONLY (name)) \
724	{	1043	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
725	STRLEN len;
726	char *data = SvPVbyte (sv, len);
727		1044
728	dbt->data = malloc (len);	1045	static void
729	memcpy (dbt->data, data, len);	1046	ptr_nuke (SV *sv)
730	dbt->size = len;	1047	{
		1048	assert (SvROK (sv));
		1049	sv_setiv (SvRV (sv), 0);
731	}	1050	}
732		1051
		1052	static int
		1053	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1054	{
		1055	if (*mg->mg_ptr == '!') // should always be the case
		1056	if (-30999 <= errno && errno <= -30800)
		1057	{
		1058	sv_setnv (sv, (NV)errno);
		1059	sv_setpv (sv, db_strerror (errno));
		1060	SvNOK_on (sv); /* what a wonderful hack! */
		1061	// ^^^ copied from perl sources
		1062	return 0;
		1063	}
		1064
		1065	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1066	}
		1067
		1068	static MGVTBL vtbl_errno;
		1069
		1070	// this wonderful hack :( patches perl's $! variable to support our errno values
		1071	static void
		1072	patch_errno (void)
		1073	{
		1074	SV *sv;
		1075	MAGIC *mg;
		1076
		1077	if (!(sv = get_sv ("!", 1)))
		1078	return;
		1079
		1080	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1081	return;
		1082
		1083	if (mg->mg_virtual != &PL_vtbl_sv)
		1084	return;
		1085
		1086	vtbl_errno = PL_vtbl_sv;
		1087	vtbl_errno.svt_get = errno_get;
		1088	mg->mg_virtual = &vtbl_errno;
		1089	}
		1090
		1091	#if __GNUC__ >= 4
		1092	# define noinline __attribute__ ((noinline))
		1093	#else
		1094	# define noinline
		1095	#endif
		1096
		1097	static noinline SV *
		1098	pop_callback (I32 *ritems, SV *sv)
		1099	{
		1100	if (SvROK (sv))
		1101	{
		1102	HV *st;
		1103	GV *gvp;
		1104	CV *cv;
		1105	const char *name;
		1106
		1107	/* forgive me */
		1108	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1109	&& (st = SvSTASH (SvRV (sv)))
		1110	&& (name = HvNAME_get (st))
		1111	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1112	return 0;
		1113
		1114	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1115	{
		1116	--*ritems;
		1117	return (SV *)cv;
		1118	}
		1119	}
		1120
		1121	return 0;
		1122	}
		1123
		1124	/*****************************************************************************/
		1125
		1126	#if 0
		1127	static int
		1128	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1129	{
		1130	ssize_t size1 = dbt1->size;
		1131	ssize_t size2 = dbt2->size;
		1132	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1133	size1 <= size2 ? size1 : size2);
		1134
		1135	if (res)
		1136	return res;
		1137	else if (size1 - size2)
		1138	return size1 - size2;
		1139	else
		1140	return 0;
		1141	}
		1142
		1143	static size_t
		1144	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1145	{
		1146	ssize_t size1 = dbt1->size;
		1147	ssize_t size2 = dbt2->size;
		1148	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1149	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1150	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1151
		1152	while (p1 < pe)
		1153	if (*p1++ != *p2++)
		1154	return p1 - (u_int8_t *)dbt1->data - 1;
		1155
		1156	if (size1 < size2) return size1 + 1;
		1157	if (size1 > size2) return size2 + 1;
		1158
		1159	return size1;
		1160	}
		1161	#endif
		1162
		1163	/*****************************************************************************/
		1164
		1165	/* stupid windows defines CALLBACK as well */
		1166	#undef CALLBACK
		1167	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1168
733	MODULE = BDB PACKAGE = BDB	1169	MODULE = BDB PACKAGE = BDB
734		1170
735	PROTOTYPES: ENABLE	1171	PROTOTYPES: ENABLE
736		1172
737	BOOT:	1173	BOOT:
…		…
752	const_iv (INIT_TXN)	1188	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1189	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1190	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1191	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1192	const_iv (CREATE)
		1193	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1194	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1195	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1196	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1197	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1198	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1199	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1200	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1201	const_iv (DIRECT_DB)
766	const_iv (DIRECT_LOG)
767	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	1202	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1203	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1204	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1205	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1206	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1207	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1208	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1209	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1210	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1211	const_iv (TXN_WRITE_NOSYNC)
		1212	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1213	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1214	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1215	const_iv (XA_CREATE)
785	const_iv (BTREE)	1216	const_iv (BTREE)
786	const_iv (HASH)	1217	const_iv (HASH)
787	const_iv (QUEUE)	1218	const_iv (QUEUE)
788	const_iv (RECNO)	1219	const_iv (RECNO)
789	const_iv (UNKNOWN)	1220	const_iv (UNKNOWN)
790	const_iv (EXCL)	1221	const_iv (EXCL)
791	const_iv (READ_COMMITTED)
792	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1222	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1223	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1224	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1225	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1226	const_iv (DUP)
799	const_iv (DUPSORT)	1227	const_iv (DUPSORT)
800	const_iv (RECNUM)	1228	//const_iv (RECNUM)
801	const_iv (RENUMBER)	1229	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1230	const_iv (REVSPLITOFF)
803	const_iv (INORDER)
804	const_iv (CONSUME)	1231	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1232	const_iv (CONSUME_WAIT)
		1233	const_iv (GET_BOTH)
		1234	const_iv (GET_BOTH_RANGE)
		1235	//const_iv (SET_RECNO)
		1236	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1237	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1238	const_iv (JOIN_ITEM)
		1239	const_iv (JOIN_NOSORT)
808	const_iv (RMW)	1240	const_iv (RMW)
809		1241
810	const_iv (NOTFOUND)	1242	const_iv (NOTFOUND)
811	const_iv (KEYEMPTY)	1243	const_iv (KEYEMPTY)
812	const_iv (LOCK_DEADLOCK)	1244	const_iv (LOCK_DEADLOCK)
813	const_iv (LOCK_NOTGRANTED)	1245	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1246	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1247	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1248	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1249	const_iv (SECONDARY_BAD)
818
819	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)
821		1250
822	const_iv (APPEND)	1251	const_iv (APPEND)
823	const_iv (NODUPDATA)	1252	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1253	const_iv (NOOVERWRITE)
825		1254
826	const_iv (TXN_NOWAIT)	1255	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1256	const_iv (TXN_SYNC)
829		1257
830	const_iv (SET_LOCK_TIMEOUT)	1258	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1259	const_iv (SET_TXN_TIMEOUT)
		1260
		1261	const_iv (FIRST)
		1262	const_iv (NEXT)
		1263	const_iv (NEXT_DUP)
		1264	const_iv (NEXT_NODUP)
		1265	const_iv (PREV)
		1266	const_iv (PREV_NODUP)
		1267	const_iv (SET)
		1268	const_iv (SET_RANGE)
		1269	const_iv (LAST)
		1270	const_iv (BEFORE)
		1271	const_iv (AFTER)
		1272	const_iv (CURRENT)
		1273	const_iv (KEYFIRST)
		1274	const_iv (KEYLAST)
		1275	const_iv (NODUPDATA)
		1276
		1277	const_iv (FORCE)
		1278
		1279	const_iv (LOCK_DEFAULT)
		1280	const_iv (LOCK_EXPIRE)
		1281	const_iv (LOCK_MAXLOCKS)
		1282	const_iv (LOCK_MINLOCKS)
		1283	const_iv (LOCK_MINWRITE)
		1284	const_iv (LOCK_OLDEST)
		1285	const_iv (LOCK_RANDOM)
		1286	const_iv (LOCK_YOUNGEST)
		1287
		1288	const_iv (DONOTINDEX)
		1289	const_iv (KEYEMPTY )
		1290	const_iv (KEYEXIST )
		1291	const_iv (LOCK_DEADLOCK)
		1292	const_iv (LOCK_NOTGRANTED)
		1293	const_iv (NOSERVER)
		1294	const_iv (NOSERVER_HOME)
		1295	const_iv (NOSERVER_ID)
		1296	const_iv (NOTFOUND)
		1297	const_iv (PAGE_NOTFOUND)
		1298	const_iv (REP_DUPMASTER)
		1299	const_iv (REP_HANDLE_DEAD)
		1300	const_iv (REP_HOLDELECTION)
		1301	const_iv (REP_ISPERM)
		1302	const_iv (REP_NEWMASTER)
		1303	const_iv (REP_NEWSITE)
		1304	const_iv (REP_NOTPERM)
		1305	const_iv (REP_UNAVAIL)
		1306	const_iv (RUNRECOVERY)
		1307	const_iv (SECONDARY_BAD)
		1308	const_iv (VERIFY_BAD)
		1309
		1310	const_iv (SALVAGE)
		1311	const_iv (AGGRESSIVE)
		1312	const_iv (PRINTABLE)
		1313	const_iv (NOORDERCHK)
		1314	const_iv (ORDERCHKONLY)
		1315
		1316	const_iv (ARCH_ABS)
		1317	const_iv (ARCH_DATA)
		1318	const_iv (ARCH_LOG)
		1319	const_iv (ARCH_REMOVE)
		1320
		1321	const_iv (VERB_DEADLOCK)
		1322	const_iv (VERB_RECOVERY)
		1323	const_iv (VERB_REPLICATION)
		1324	const_iv (VERB_WAITSFOR)
		1325
		1326	const_iv (VERSION_MAJOR)
		1327	const_iv (VERSION_MINOR)
		1328	const_iv (VERSION_PATCH)
		1329	#if DB_VERSION_MINOR >= 3
		1330	const_iv (INORDER)
		1331	const_iv (LOCK_MAXWRITE)
		1332	const_iv (SEQ_DEC)
		1333	const_iv (SEQ_INC)
		1334	const_iv (SEQ_WRAP)
		1335	const_iv (BUFFER_SMALL)
		1336	const_iv (LOG_BUFFER_FULL)
		1337	const_iv (VERSION_MISMATCH)
		1338	#endif
		1339	#if DB_VERSION_MINOR >= 4
		1340	const_iv (REGISTER)
		1341	const_iv (DSYNC_DB)
		1342	const_iv (READ_COMMITTED)
		1343	const_iv (READ_UNCOMMITTED)
		1344	const_iv (REP_IGNORE)
		1345	const_iv (REP_LOCKOUT)
		1346	const_iv (REP_JOIN_FAILURE)
		1347	const_iv (FREE_SPACE)
		1348	const_iv (FREELIST_ONLY)
		1349	const_iv (VERB_REGISTER)
		1350	#endif
		1351	#if DB_VERSION_MINOR >= 5
		1352	const_iv (MULTIVERSION)
		1353	const_iv (TXN_SNAPSHOT)
		1354	#endif
		1355	#if DB_VERSION_MINOR >= 6
		1356	const_iv (PREV_DUP)
		1357	const_iv (PRIORITY_UNCHANGED)
		1358	const_iv (PRIORITY_VERY_LOW)
		1359	const_iv (PRIORITY_LOW)
		1360	const_iv (PRIORITY_DEFAULT)
		1361	const_iv (PRIORITY_HIGH)
		1362	const_iv (PRIORITY_VERY_HIGH)
		1363	const_iv (IGNORE_LEASE)
		1364	#endif
		1365	#if DB_VERSION_MINOR >= 7
		1366	//const_iv (MULTIPLE_KEY)
		1367	const_iv (LOG_DIRECT)
		1368	const_iv (LOG_DSYNC)
		1369	const_iv (LOG_AUTO_REMOVE)
		1370	const_iv (LOG_IN_MEMORY)
		1371	const_iv (LOG_ZERO)
		1372	#else
		1373	const_iv (DIRECT_LOG)
		1374	const_iv (LOG_AUTOREMOVE)
		1375	# if DB_VERSION_MINOR >= 3
		1376	const_iv (DSYNC_LOG)
		1377	const_iv (LOG_INMEMORY)
		1378	# endif
		1379	#endif
832	};	1380	};
833		1381
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1382	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1383	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1384
837	create_pipe ();	1385	prepare_cb = &PL_sv_undef;
		1386
		1387	{
		1388	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1389	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1390
		1391	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1392	}
		1393
		1394	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1395
		1396	create_respipe ();
		1397
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1398	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1399	patch_errno ();
839	}	1400	}
840		1401
841	void	1402	void
842	max_poll_reqs (int nreqs)	1403	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1404	PROTOTYPE: $
…		…
916		1477
917	int	1478	int
918	poll_fileno ()	1479	poll_fileno ()
919	PROTOTYPE:	1480	PROTOTYPE:
920	CODE:	1481	CODE:
921	RETVAL = respipe [0];	1482	RETVAL = s_epipe_fd (&respipe);
922	OUTPUT:	1483	OUTPUT:
923	RETVAL	1484	RETVAL
924		1485
925	int	1486	int
926	poll_cb (...)	1487	poll_cb (...)
…		…
962		1523
963	int	1524	int
964	nthreads ()	1525	nthreads ()
965	PROTOTYPE:	1526	PROTOTYPE:
966	CODE:	1527	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1528	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1529	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1530	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1531	OUTPUT:
971	RETVAL	1532	RETVAL
972		1533
973	void	1534	SV *
974	set_sync_prepare (SV *cb)	1535	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1536	PROTOTYPE: &
976	CODE:	1537	CODE:
977	SvREFCNT_dec (prepare_cb);	1538	RETVAL = prepare_cb;
978	prepare_cb = newSVsv (cb);	1539	prepare_cb = newSVsv (cb);
		1540	OUTPUT:
		1541	RETVAL
		1542
		1543	char *
		1544	strerror (int errorno = errno)
		1545	PROTOTYPE: ;$
		1546	CODE:
		1547	RETVAL = db_strerror (errorno);
		1548	OUTPUT:
		1549	RETVAL
		1550
		1551	void _on_next_submit (SV *cb)
		1552	CODE:
		1553	SvREFCNT_dec (on_next_submit);
		1554	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
979		1555
980	DB_ENV *	1556	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1557	db_env_create (U32 env_flags = 0)
982	CODE:	1558	CODE:
983	{	1559	{
984	errno = db_env_create (&RETVAL, env_flags);	1560	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1561	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1562	croak ("db_env_create: %s", db_strerror (errno));
		1563
		1564	if (0)
		1565	{
		1566	RETVAL->set_errcall (RETVAL, debug_errcall);
		1567	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1568	}
987	}	1569	}
988	OUTPUT:	1570	OUTPUT:
989	RETVAL	1571	RETVAL
990		1572
991	void	1573	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1574	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
993	CODE:	1577	CODE:
994	{	1578	{
995	dREQ (REQ_ENV_OPEN);	1579	dREQ (REQ_ENV_OPEN, 1);
996	req->env = env;	1580	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1581	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1582	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1583	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1584	REQ_SEND;
1001	}	1585	}
1002		1586
1003	void	1587	void
1004	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1588	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1589	PREINIT:
		1590	CALLBACK
1005	CODE:	1591	CODE:
1006	{	1592	{
1007	dREQ (REQ_ENV_CLOSE);	1593	dREQ (REQ_ENV_CLOSE, 0);
		1594	ptr_nuke (ST (0));
1008	req->env = env;	1595	req->env = env;
1009	req->uint1 = flags;	1596	req->uint1 = flags;
1010	REQ_SEND;	1597	REQ_SEND;
1011	}	1598	}
1012		1599
		1600	void
		1601	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1602	PREINIT:
		1603	CALLBACK
		1604	CODE:
		1605	{
		1606	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1607	req->env = env;
		1608	req->uint1 = kbyte;
		1609	req->int1 = min;
		1610	req->uint2 = flags;
		1611	REQ_SEND;
		1612	}
		1613
		1614	void
		1615	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1616	PREINIT:
		1617	CALLBACK
		1618	CODE:
		1619	{
		1620	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1621	req->env = env;
		1622	req->uint1 = flags;
		1623	req->uint2 = atype;
		1624	/* req->int2 = 0; dummy */
		1625	REQ_SEND;
		1626	}
		1627
		1628	void
		1629	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1630	PREINIT:
		1631	CALLBACK
		1632	CODE:
		1633	{
		1634	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1635	req->env = env;
		1636	REQ_SEND;
		1637	}
		1638
		1639	void
		1640	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1641	PREINIT:
		1642	CALLBACK
		1643	CODE:
		1644	{
		1645	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1646	req->env = env;
		1647	req->int1 = percent;
		1648	REQ_SEND;
		1649	}
		1650
		1651	void
		1652	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1653	PREINIT:
		1654	CALLBACK
		1655	CODE:
		1656	{
		1657	dREQ (REQ_ENV_DBREMOVE, 2);
		1658	req->env = env;
		1659	req->buf1 = strdup_ornull (file);
		1660	req->buf2 = strdup_ornull (database);
		1661	req->uint1 = flags;
		1662	REQ_SEND;
		1663	}
		1664
		1665	void
		1666	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)
		1667	PREINIT:
		1668	CALLBACK
		1669	CODE:
		1670	{
		1671	dREQ (REQ_ENV_DBRENAME, 2);
		1672	req->env = env;
		1673	req->buf1 = strdup_ornull (file);
		1674	req->buf2 = strdup_ornull (database);
		1675	req->buf3 = strdup_ornull (newname);
		1676	req->uint1 = flags;
		1677	REQ_SEND;
		1678	}
		1679
		1680	void
		1681	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1682	PREINIT:
		1683	CALLBACK
		1684	CODE:
		1685	{
		1686	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1687	req->sv1 = SvREFCNT_inc (listp);
		1688	req->env = env;
		1689	req->uint1 = flags;
		1690	REQ_SEND;
		1691	}
		1692
1013	DB *	1693	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1694	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1695	CODE:
1016	{	1696	{
1017	errno = db_create (&RETVAL, env, flags);	1697	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1698	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1699	croak ("db_create: %s", db_strerror (errno));
		1700
		1701	if (RETVAL)
		1702	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1703	}
1021	OUTPUT:	1704	OUTPUT:
1022	RETVAL	1705	RETVAL
1023		1706
1024	void	1707	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1708	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1709	PREINIT:
		1710	CALLBACK
1026	CODE:	1711	CODE:
1027	{	1712	{
1028	dREQ (REQ_DB_OPEN);	1713	dREQ (REQ_DB_OPEN, 2);
1029	req->db = db;	1714	req->db = db;
1030	req->txn = txnid;	1715	req->txn = txnid;
1031	req->buf1 = strdup_ornull (file);	1716	req->buf1 = strdup_ornull (file);
1032	req->buf2 = strdup_ornull (database);	1717	req->buf2 = strdup_ornull (database);
1033	req->int1 = type;	1718	req->int1 = type;
…		…
1035	req->int2 = mode;	1720	req->int2 = mode;
1036	REQ_SEND;	1721	REQ_SEND;
1037	}	1722	}
1038		1723
1039	void	1724	void
1040	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1725	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1726	PREINIT:
		1727	CALLBACK
1041	CODE:	1728	CODE:
1042	{	1729	{
1043	dREQ (REQ_DB_CLOSE);	1730	dREQ (REQ_DB_CLOSE, 0);
		1731	ptr_nuke (ST (0));
1044	req->db = db;	1732	req->db = db;
1045	req->uint1 = flags;	1733	req->uint1 = flags;
		1734	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1735	REQ_SEND;
1047	}	1736	}
1048		1737
		1738	#if DB_VERSION_MINOR >= 4
		1739
1049	void	1740	void
1050	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1741	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)
		1742	PREINIT:
		1743	CALLBACK
1051	CODE:	1744	CODE:
1052	{	1745	{
1053	dREQ (REQ_DB_COMPACT);	1746	dREQ (REQ_DB_COMPACT, 2);
1054	req->db = db;	1747	req->db = db;
1055	req->txn = txn;	1748	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1749	if (start) sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1750	if (stop ) sv_to_dbt (&req->dbt2, stop );
1058	req->uint1 = flags;	1751	req->uint1 = flags;
1059	REQ_SEND;	1752	REQ_SEND;
1060	}	1753	}
1061		1754
		1755	#endif
		1756
1062	void	1757	void
1063	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1758	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1759	PREINIT:
		1760	CALLBACK
1064	CODE:	1761	CODE:
1065	{	1762	{
1066	dREQ (REQ_DB_SYNC);	1763	dREQ (REQ_DB_SYNC, 1);
1067	req->db = db;	1764	req->db = db;
1068	req->uint1 = flags;	1765	req->uint1 = flags;
1069	REQ_SEND;	1766	REQ_SEND;
1070	}	1767	}
1071		1768
1072	void	1769	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1770	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1771	PREINIT:
		1772	CALLBACK
1074	CODE:	1773	CODE:
1075	{	1774	{
1076	dREQ (REQ_DB_PUT);	1775	dREQ (REQ_DB_VERIFY, 1);
		1776	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1077	req->db = db;	1777	req->db = db;
1078	req->txn = 0;	1778	req->buf1 = strdup (file);
1079	set_dbt (&req->dbt1, key);	1779	req->buf2 = strdup_ornull (database);
1080	set_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1780	req->uint1 = flags;
1082	REQ_SEND;	1781	REQ_SEND;
1083	}	1782	}
1084		1783
		1784	void
		1785	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1786	PREINIT:
		1787	CALLBACK
		1788	CODE:
		1789	{
		1790	dREQ (REQ_DB_UPGRADE, 1);
		1791	req->db = db;
		1792	req->buf1 = strdup (file);
		1793	req->uint1 = flags;
		1794	REQ_SEND;
		1795	}
		1796
		1797	void
		1798	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1799	PREINIT:
		1800	CALLBACK
		1801	CODE:
		1802	{
		1803	dREQ (REQ_DB_KEY_RANGE, 2);
		1804	req->db = db;
		1805	req->txn = txn;
		1806	sv_to_dbt (&req->dbt1, key);
		1807	req->uint1 = flags;
		1808	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1809	REQ_SEND;
		1810	}
		1811
		1812	void
		1813	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1814	PREINIT:
		1815	CALLBACK
		1816	CODE:
		1817	{
		1818	dREQ (REQ_DB_PUT, 2);
		1819	req->db = db;
		1820	req->txn = txn;
		1821	sv_to_dbt (&req->dbt1, key);
		1822	sv_to_dbt (&req->dbt2, data);
		1823	req->uint1 = flags;
		1824	REQ_SEND;
		1825	}
		1826
		1827	#if DB_VERSION_MINOR >= 6
		1828
		1829	void
		1830	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1831	PREINIT:
		1832	CALLBACK
		1833	CODE:
		1834	{
		1835	dREQ (REQ_DB_EXISTS, 2);
		1836	req->db = db;
		1837	req->txn = txn;
		1838	req->uint1 = flags;
		1839	sv_to_dbt (&req->dbt1, key);
		1840	REQ_SEND;
		1841	}
		1842
		1843	#endif
		1844
		1845	void
		1846	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
		1849	CODE:
		1850	{
		1851	//TODO: key is somtimesmutable
		1852	dREQ (REQ_DB_GET, 2);
		1853	req->db = db;
		1854	req->txn = txn;
		1855	req->uint1 = flags;
		1856	sv_to_dbt (&req->dbt1, key);
		1857	req->dbt3.flags = DB_DBT_MALLOC;
		1858	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1859	REQ_SEND;
		1860	}
		1861
		1862	void
		1863	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1864	PREINIT:
		1865	CALLBACK
		1866	CODE:
		1867	{
		1868	//TODO: key is somtimesmutable
		1869	dREQ (REQ_DB_PGET, 2);
		1870	req->db = db;
		1871	req->txn = txn;
		1872	req->uint1 = flags;
		1873
		1874	sv_to_dbt (&req->dbt1, key);
		1875
		1876	req->dbt2.flags = DB_DBT_MALLOC;
		1877	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1878
		1879	req->dbt3.flags = DB_DBT_MALLOC;
		1880	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1881	REQ_SEND;
		1882	}
		1883
		1884	void
		1885	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1886	PREINIT:
		1887	CALLBACK
		1888	CODE:
		1889	{
		1890	dREQ (REQ_DB_DEL, 2);
		1891	req->db = db;
		1892	req->txn = txn;
		1893	req->uint1 = flags;
		1894	sv_to_dbt (&req->dbt1, key);
		1895	REQ_SEND;
		1896	}
		1897
		1898	void
		1899	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1900	PREINIT:
		1901	CALLBACK
		1902	CODE:
		1903	{
		1904	dREQ (REQ_TXN_COMMIT, 0);
		1905	ptr_nuke (ST (0));
		1906	req->txn = txn;
		1907	req->uint1 = flags;
		1908	REQ_SEND;
		1909	}
		1910
		1911	void
		1912	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1913	PREINIT:
		1914	CALLBACK
		1915	CODE:
		1916	{
		1917	dREQ (REQ_TXN_ABORT, 0);
		1918	ptr_nuke (ST (0));
		1919	req->txn = txn;
		1920	REQ_SEND;
		1921	}
		1922
		1923	void
		1924	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1925	PREINIT:
		1926	CALLBACK
		1927	CODE:
		1928	{
		1929	dREQ (REQ_TXN_FINISH, 0);
		1930	ptr_nuke (ST (0));
		1931	req->txn = txn;
		1932	req->uint1 = flags;
		1933	REQ_SEND;
		1934	}
		1935
		1936	void
		1937	db_c_close (DBC *dbc, SV *callback = 0)
		1938	PREINIT:
		1939	CALLBACK
		1940	CODE:
		1941	{
		1942	dREQ (REQ_C_CLOSE, 0);
		1943	ptr_nuke (ST (0));
		1944	req->dbc = dbc;
		1945	REQ_SEND;
		1946	}
		1947
		1948	void
		1949	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1950	PREINIT:
		1951	CALLBACK
		1952	CODE:
		1953	{
		1954	dREQ (REQ_C_COUNT, 1);
		1955	req->dbc = dbc;
		1956	req->sv1 = SvREFCNT_inc (count);
		1957	REQ_SEND;
		1958	}
		1959
		1960	void
		1961	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1962	PREINIT:
		1963	CALLBACK
		1964	CODE:
		1965	{
		1966	dREQ (REQ_C_PUT, 1);
		1967	req->dbc = dbc;
		1968	sv_to_dbt (&req->dbt1, key);
		1969	sv_to_dbt (&req->dbt2, data);
		1970	req->uint1 = flags;
		1971	REQ_SEND;
		1972	}
		1973
		1974	void
		1975	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1976	PREINIT:
		1977	CALLBACK
		1978	CODE:
		1979	{
		1980	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1981	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1982	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1983	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1984	"key",
		1985	"BDB::db_c_get");
		1986
		1987	{
		1988	dREQ (REQ_C_GET, 1);
		1989	req->dbc = dbc;
		1990	req->uint1 = flags;
		1991	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1992	sv_to_dbt (&req->dbt1, key);
		1993	else
		1994	{
		1995	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1996	sv_to_dbt (&req->dbt1, key);
		1997	else
		1998	req->dbt1.flags = DB_DBT_MALLOC;
		1999
		2000	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2001	}
		2002
		2003	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2004	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2005	sv_to_dbt (&req->dbt3, data);
		2006	else
		2007	req->dbt3.flags = DB_DBT_MALLOC;
		2008
		2009	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2010	REQ_SEND;
		2011	}
		2012	}
		2013
		2014	void
		2015	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2016	PREINIT:
		2017	CALLBACK
		2018	CODE:
		2019	{
		2020	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2021	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2022	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2023	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2024	"key",
		2025	"BDB::db_c_pget");
		2026
		2027	{
		2028	dREQ (REQ_C_PGET, 1);
		2029	req->dbc = dbc;
		2030	req->uint1 = flags;
		2031	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2032	sv_to_dbt (&req->dbt1, key);
		2033	else
		2034	{
		2035	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2036	sv_to_dbt (&req->dbt1, key);
		2037	else
		2038	req->dbt1.flags = DB_DBT_MALLOC;
		2039
		2040	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2041	}
		2042
		2043	req->dbt2.flags = DB_DBT_MALLOC;
		2044	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2045
		2046	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2047	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2048	sv_to_dbt (&req->dbt3, data);
		2049	else
		2050	req->dbt3.flags = DB_DBT_MALLOC;
		2051
		2052	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2053	REQ_SEND;
		2054	}
		2055	}
		2056
		2057	void
		2058	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2059	PREINIT:
		2060	CALLBACK
		2061	CODE:
		2062	{
		2063	dREQ (REQ_C_DEL, 1);
		2064	req->dbc = dbc;
		2065	req->uint1 = flags;
		2066	REQ_SEND;
		2067	}
		2068
		2069
		2070	#if DB_VERSION_MINOR >= 3
		2071
		2072	void
		2073	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2074	PREINIT:
		2075	CALLBACK
		2076	CODE:
		2077	{
		2078	dREQ (REQ_SEQ_OPEN, 2);
		2079	req->seq = seq;
		2080	req->txn = txnid;
		2081	req->uint1 = flags | DB_THREAD;
		2082	sv_to_dbt (&req->dbt1, key);
		2083	REQ_SEND;
		2084	}
		2085
		2086	void
		2087	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2088	PREINIT:
		2089	CALLBACK
		2090	CODE:
		2091	{
		2092	dREQ (REQ_SEQ_CLOSE, 0);
		2093	ptr_nuke (ST (0));
		2094	req->seq = seq;
		2095	req->uint1 = flags;
		2096	REQ_SEND;
		2097	}
		2098
		2099	void
		2100	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2101	PREINIT:
		2102	CALLBACK
		2103	CODE:
		2104	{
		2105	dREQ (REQ_SEQ_GET, 2);
		2106	req->seq = seq;
		2107	req->txn = txnid;
		2108	req->int1 = delta;
		2109	req->uint1 = flags;
		2110	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2111	REQ_SEND;
		2112	}
		2113
		2114	void
		2115	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2116	PREINIT:
		2117	CALLBACK
		2118	CODE:
		2119	{
		2120	dREQ (REQ_SEQ_REMOVE, 2);
		2121	req->seq = seq;
		2122	req->txn = txnid;
		2123	req->uint1 = flags;
		2124	REQ_SEND;
		2125	}
		2126
		2127	#endif
		2128
1085		2129
1086	MODULE = BDB PACKAGE = BDB::Env	2130	MODULE = BDB PACKAGE = BDB::Env
1087		2131
		2132	void
		2133	DESTROY (DB_ENV_ornuked *env)
		2134	CODE:
		2135	if (env)
		2136	env->close (env, 0);
		2137
		2138	int set_data_dir (DB_ENV *env, const char *dir)
		2139	CODE:
		2140	RETVAL = env->set_data_dir (env, dir);
		2141	OUTPUT:
		2142	RETVAL
		2143
		2144	int set_tmp_dir (DB_ENV *env, const char *dir)
		2145	CODE:
		2146	RETVAL = env->set_tmp_dir (env, dir);
		2147	OUTPUT:
		2148	RETVAL
		2149
		2150	int set_lg_dir (DB_ENV *env, const char *dir)
		2151	CODE:
		2152	RETVAL = env->set_lg_dir (env, dir);
		2153	OUTPUT:
		2154	RETVAL
		2155
		2156	int set_shm_key (DB_ENV *env, long shm_key)
		2157	CODE:
		2158	RETVAL = env->set_shm_key (env, shm_key);
		2159	OUTPUT:
		2160	RETVAL
		2161
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2162	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	2163	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2164	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	2165	OUTPUT:
1092	RETVAL	2166	RETVAL
1093		2167
1094	int set_flags (DB_ENV *env, U32 flags, int onoff)	2168	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1095	CODE:	2169	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	2170	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	2171	OUTPUT:
1098	RETVAL	2172	RETVAL
1099		2173
		2174	#if DB_VERSION_MINOR >= 7
		2175
		2176	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2177	CODE:
		2178	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2179	OUTPUT:
		2180	RETVAL
		2181
		2182	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2183	CODE:
		2184	RETVAL = env->log_set_config (env, flags, onoff);
		2185	OUTPUT:
		2186	RETVAL
		2187
		2188	#endif
		2189
		2190
		2191	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2192	CODE:
		2193	env->set_errfile (env, errfile);
		2194
		2195	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2196	CODE:
		2197	env->set_msgfile (env, msgfile);
		2198
		2199	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2200	CODE:
		2201	RETVAL = env->set_verbose (env, which, onoff);
		2202	OUTPUT:
		2203	RETVAL
		2204
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2205	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	2206	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	2207	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	2208	OUTPUT:
1104	RETVAL	2209	RETVAL
1105		2210
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2211	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	2212	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2213	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	2214	OUTPUT:
1110	RETVAL	2215	RETVAL
1111		2216
		2217	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2218	CODE:
		2219	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2220	OUTPUT:
		2221	RETVAL
		2222
		2223	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2224	CODE:
		2225	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2226	OUTPUT:
		2227	RETVAL
		2228
		2229	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2230	CODE:
		2231	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2232	OUTPUT:
		2233	RETVAL
		2234
		2235	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2236	CODE:
		2237	RETVAL = env->set_lk_detect (env, detect);
		2238	OUTPUT:
		2239	RETVAL
		2240
		2241	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2242	CODE:
		2243	RETVAL = env->set_lk_max_lockers (env, max);
		2244	OUTPUT:
		2245	RETVAL
		2246
		2247	int set_lk_max_locks (DB_ENV *env, U32 max)
		2248	CODE:
		2249	RETVAL = env->set_lk_max_locks (env, max);
		2250	OUTPUT:
		2251	RETVAL
		2252
		2253	int set_lk_max_objects (DB_ENV *env, U32 max)
		2254	CODE:
		2255	RETVAL = env->set_lk_max_objects (env, max);
		2256	OUTPUT:
		2257	RETVAL
		2258
		2259	int set_lg_bsize (DB_ENV *env, U32 max)
		2260	CODE:
		2261	RETVAL = env->set_lg_bsize (env, max);
		2262	OUTPUT:
		2263	RETVAL
		2264
		2265	int set_lg_max (DB_ENV *env, U32 max)
		2266	CODE:
		2267	RETVAL = env->set_lg_max (env, max);
		2268	OUTPUT:
		2269	RETVAL
		2270
		2271	#if DB_VERSION_MINOR >= 4
		2272
		2273	int mutex_set_max (DB_ENV *env, U32 max)
		2274	CODE:
		2275	RETVAL = env->mutex_set_max (env, max);
		2276	OUTPUT:
		2277	RETVAL
		2278
		2279	int mutex_set_increment (DB_ENV *env, U32 increment)
		2280	CODE:
		2281	RETVAL = env->mutex_set_increment (env, increment);
		2282	OUTPUT:
		2283	RETVAL
		2284
		2285	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2286	CODE:
		2287	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2288	OUTPUT:
		2289	RETVAL
		2290
		2291	int mutex_set_align (DB_ENV *env, U32 align)
		2292	CODE:
		2293	RETVAL = env->mutex_set_align (env, align);
		2294	OUTPUT:
		2295	RETVAL
		2296
		2297	#endif
		2298
		2299	DB_TXN *
		2300	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2301	CODE:
		2302	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2303	if (errno)
		2304	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2305	OUTPUT:
		2306	RETVAL
		2307
		2308	#if DB_VERSION_MINOR >= 5
		2309
		2310	DB_TXN *
		2311	cdsgroup_begin (DB_ENV *env)
		2312	CODE:
		2313	errno = env->cdsgroup_begin (env, &RETVAL);
		2314	if (errno)
		2315	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2316	OUTPUT:
		2317	RETVAL
		2318
		2319	#endif
1112		2320
1113	MODULE = BDB PACKAGE = BDB::Db	2321	MODULE = BDB PACKAGE = BDB::Db
1114		2322
		2323	void
		2324	DESTROY (DB_ornuked *db)
		2325	CODE:
		2326	if (db)
		2327	{
		2328	SV *env = (SV *)db->app_private;
		2329	db->close (db, 0);
		2330	SvREFCNT_dec (env);
		2331	}
		2332
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2333	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	2334	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2335	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	2336	OUTPUT:
1119	RETVAL	2337	RETVAL
1120		2338
		2339	int set_pagesize (DB *db, U32 pagesize)
		2340	CODE:
		2341	RETVAL = db->set_pagesize (db, pagesize);
		2342	OUTPUT:
		2343	RETVAL
		2344
1121	int set_flags (DB *db, U32 flags);	2345	int set_flags (DB *db, U32 flags)
1122	CODE:	2346	CODE:
1123	RETVAL = db->set_flags (db, flags);	2347	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	2348	OUTPUT:
1125	RETVAL	2349	RETVAL
1126		2350
…		…
1134	CODE:	2358	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	2359	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	2360	OUTPUT:
1137	RETVAL	2361	RETVAL
1138		2362
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	2363	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	2364	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	2365	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	2366	OUTPUT:
1144	RETVAL	2367	RETVAL
1145		2368
1146	int set_re_delim(DB *db, int delim);	2369	int set_re_delim (DB *db, int delim)
1147	CODE:	2370	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	2371	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	2372	OUTPUT:
1150	RETVAL	2373	RETVAL
1151		2374
…		…
1183	CODE:	2406	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	2407	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	2408	OUTPUT:
1186	RETVAL	2409	RETVAL
1187		2410
		2411	DBC *
		2412	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2413	CODE:
		2414	errno = db->cursor (db, txn, &RETVAL, flags);
		2415	if (errno)
		2416	croak ("DB->cursor: %s", db_strerror (errno));
		2417	OUTPUT:
		2418	RETVAL
1188		2419
		2420	#if DB_VERSION_MINOR >= 3
		2421
		2422	DB_SEQUENCE *
		2423	sequence (DB *db, U32 flags = 0)
		2424	CODE:
		2425	{
		2426	errno = db_sequence_create (&RETVAL, db, flags);
		2427	if (errno)
		2428	croak ("db_sequence_create: %s", db_strerror (errno));
		2429	}
		2430	OUTPUT:
		2431	RETVAL
		2432
		2433	#endif
		2434
		2435
		2436	MODULE = BDB PACKAGE = BDB::Txn
		2437
		2438	void
		2439	DESTROY (DB_TXN_ornuked *txn)
		2440	CODE:
		2441	if (txn)
		2442	txn->abort (txn);
		2443
		2444	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2445	CODE:
		2446	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2447	OUTPUT:
		2448	RETVAL
		2449
		2450	int failed (DB_TXN *txn)
		2451	CODE:
		2452	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2453	OUTPUT:
		2454	RETVAL
		2455
		2456
		2457	MODULE = BDB PACKAGE = BDB::Cursor
		2458
		2459	void
		2460	DESTROY (DBC_ornuked *dbc)
		2461	CODE:
		2462	if (dbc)
		2463	dbc->c_close (dbc);
		2464
		2465	#if DB_VERSION_MINOR >= 6
		2466
		2467	int set_priority (DBC *dbc, int priority)
		2468	CODE:
		2469	dbc->set_priority (dbc, priority);
		2470
		2471	#endif
		2472
		2473	#if DB_VERSION_MINOR >= 3
		2474
		2475	MODULE = BDB PACKAGE = BDB::Sequence
		2476
		2477	void
		2478	DESTROY (DB_SEQUENCE_ornuked *seq)
		2479	CODE:
		2480	if (seq)
		2481	seq->close (seq, 0);
		2482
		2483	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2484	CODE:
		2485	RETVAL = seq->initial_value (seq, value);
		2486	OUTPUT:
		2487	RETVAL
		2488
		2489	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2490	CODE:
		2491	RETVAL = seq->set_cachesize (seq, size);
		2492	OUTPUT:
		2493	RETVAL
		2494
		2495	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2496	CODE:
		2497	RETVAL = seq->set_flags (seq, flags);
		2498	OUTPUT:
		2499	RETVAL
		2500
		2501	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2502	CODE:
		2503	RETVAL = seq->set_range (seq, min, max);
		2504	OUTPUT:
		2505	RETVAL
		2506
		2507	#endif
		2508
		2509

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