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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 2007 UTC vs.
Revision 1.50 by root, Thu Sep 25 13:22:32 2008 UTC

1	/* solaris */	1	#include <sys/user.h>
2	#define _POSIX_PTHREAD_SEMANTICS 1	2	#include <sys/ptrace.h>
3		3
4	#if __linux && !defined(_GNU_SOURCE)	4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5	# define _GNU_SOURCE
6	#endif
7		5
8	/* just in case */	6	#include "xthread.h"
9	#define _REENTRANT 1
10		7
11	#include <errno.h>	8	#include <errno.h>
12		9
13	#include "EXTERN.h"	10	#include "EXTERN.h"
14	#include "perl.h"	11	#include "perl.h"
15	#include "XSUB.h"	12	#include "XSUB.h"
16		13
17	#include <pthread.h>	14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
18		22
19	#include <stddef.h>	23	#include <stddef.h>
20	#include <stdlib.h>	24	#include <stdlib.h>
21	#include <errno.h>	25	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	26	#include <sys/types.h>
24	#include <limits.h>	27	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	28	#include <fcntl.h>
27		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
28	#include <db.h>	35	#include <db.h>
		36
		37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		39	#endif
29		40
30	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
32		43
33	/* wether word reads are potentially non-atomic.	44	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	45	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	46	typedef DBC DBC_ornull;
36	*/	47	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	48
38	# if __i386 || __x86_64	49	typedef DB_ENV DB_ENV_ornuked;
39	# define WORDACCESS_UNSAFE 0	50	typedef DB_TXN DB_TXN_ornuked;
40	# else	51	typedef DBC DBC_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	57	#endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49		58
50	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	60	typedef char *bdb_filename;
52		61
53	static SV *prepare_cb;	62	static SV *prepare_cb;
54		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
55	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 *
56	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
57	{	118	{
58	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
59	}	120	}
60		121
61	inline void	122	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
63	{	124	{
64	STRLEN len;	125	STRLEN len;
65	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
66		127
67	dbt->data = malloc (len);	128	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
69	dbt->size = len;	130	dbt->size = len;
		131	dbt->flags = DB_DBT_REALLOC;
70	}	132	}
71		133
72	inline void	134	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
74	{	136	{
		137	if (sv)
		138	{
75	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
		141	SvREFCNT_dec (sv);
		142	}
77		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
78	free (dbt->data);	145	free (dbt->data);
79	}	146	}
80		147
81	enum {	148	enum {
82	REQ_QUIT,	149	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
86	};	157	};
87		158
88	typedef struct aio_cb	159	typedef struct bdb_cb
89	{	160	{
90	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
91	SV *callback;	162	SV *callback;
92	int type, pri, result;	163	int type, pri, result;
93		164
94	DB_ENV *env;	165	DB_ENV *env;
95	DB *db;	166	DB *db;
96	DB_TXN *txn;	167	DB_TXN *txn;
97	DBC *cursor;	168	DBC *dbc;
		169
		170	UV uv1;
98	int int1, int2;	171	int int1, int2;
99	U32 uint1, uint2;	172	U32 uint1, uint2;
100	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
101	SV *sv1, *sv2;	174	SV *sv1, *sv2, *sv3;
102		175
103	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
		179	DB_SEQUENCE *seq;
		180	db_seq_t seq_t;
		181	#endif
105		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
106	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
107		187
108	enum {	188	enum {
109	PRI_MIN = -4,	189	PRI_MIN = -4,
110	PRI_MAX = 4,	190	PRI_MAX = 4,
111		191
…		…
114	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
115	};	195	};
116		196
117	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
118		198
		199	static SV *on_next_submit;
		200
119	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
120	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
121		203
122	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
123	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
128		210
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		212
131	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
132		214
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	215	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
144		217
145	typedef struct worker {	218	typedef struct worker {
146	/* locked by wrklock */	219	/* locked by wrklock */
147	struct worker *prev, *next;	220	struct worker *prev, *next;
148		221
149	pthread_t tid;	222	thread_t tid;
150		223
151	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
153	void *dbuf;	226	void *dbuf;
154	DIR *dirp;	227	DIR *dirp;
155	} worker;	228	} worker;
156		229
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	242	}
170		243
171	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		248
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
179		252
180	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
181		254
182	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
183	{	256	{
184	unsigned int retval;	257	unsigned int retval;
185		258
186	LOCK (reqlock);	259	X_LOCK (reqlock);
187	retval = nready;	260	retval = nready;
188	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
189		262
190	return retval;	263	return retval;
191	}	264	}
192		265
193	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
194	{	267	{
195	unsigned int retval;	268	unsigned int retval;
196		269
197	LOCK (reslock);	270	X_LOCK (reslock);
198	retval = npending;	271	retval = npending;
199	UNLOCK (reslock);	272	X_UNLOCK (reslock);
200		273
201	return retval;	274	return retval;
202	}	275	}
203		276
204	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
205	{	278	{
206	unsigned int retval;	279	unsigned int retval;
207		280
208	LOCK (wrklock);	281	X_LOCK (wrklock);
209	retval = started;	282	retval = started;
210	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
211		284
212	return retval;	285	return retval;
213	}	286	}
214		287
215	#else	288	#else
…		…
224	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
227	*/	300	*/
228	typedef struct {	301	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	303	int size;
231	} reqq;	304	} reqq;
232		305
233	static reqq req_queue;	306	static reqq req_queue;
234	static reqq res_queue;	307	static reqq res_queue;
235		308
236	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
237	{	310	{
238	int pri = req->pri;	311	int pri = req->pri;
239	req->next = 0;	312	req->next = 0;
240		313
241	if (q->qe[pri])	314	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
248		321
249	return q->size++;	322	return q->size++;
250	}	323	}
251		324
252	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
253	{	326	{
254	int pri;	327	int pri;
255		328
256	if (!q->size)	329	if (!q->size)
257	return 0;	330	return 0;
258		331
259	--q->size;	332	--q->size;
260		333
261	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
262	{	335	{
263	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
264		337
265	if (req)	338	if (req)
266	{	339	{
267	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
272	}	345	}
273		346
274	abort ();	347	abort ();
275	}	348	}
276		349
277	static int poll_cb ();	350	static int poll_cb (void);
278	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
280		353
281	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
282	{	355	{
283	dSP;	356	dSP;
284		357
285	if (SvOK (req->callback))	358	if (req->callback)
286	{	359	{
287	ENTER;	360	ENTER;
288	SAVETMPS;	361	SAVETMPS;
289	PUSHMARK (SP);	362	PUSHMARK (SP);
290	EXTEND (SP, 1);
291		363
292	switch (req->type)	364	switch (req->type)
293	{	365	{
		366	case REQ_DB_CLOSE:
		367	SvREFCNT_dec (req->sv1);
		368	break;
		369
294	case REQ_DB_GET:	370	case REQ_DB_GET:
295	case REQ_DB_PGET:	371	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);	372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_C_GET:
		376	case REQ_C_PGET:
		377	dbt_to_sv (req->sv1, &req->dbt1);
		378	dbt_to_sv (req->sv2, &req->dbt2);
		379	dbt_to_sv (req->sv3, &req->dbt3);
		380	break;
		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
		388	case REQ_DB_KEY_RANGE:
		389	{
		390	AV *av = newAV ();
		391
		392	av_push (av, newSVnv (req->key_range.less));
		393	av_push (av, newSVnv (req->key_range.equal));
		394	av_push (av, newSVnv (req->key_range.greater));
		395
		396	SvREADONLY_off (req->sv1);
		397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
297	SvREFCNT_dec (req->sv1);	411	SvREFCNT_dec (req->sv1);
298	break;	412	break;
299		413	#endif
300	case REQ_DB_CLOSE:
301	SvREFCNT_dec (req->sv1);
302	break;
303	}	414	}
304		415
305	errno = req->result;	416	errno = req->result;
306		417
307	PUTBACK;	418	PUTBACK;
…		…
313	}	424	}
314		425
315	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
316	}	427	}
317		428
318	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
319	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
320	free (req->buf1);	436	free (req->buf1);
321	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
322	Safefree (req);	440	Safefree (req);
323	}	441	}
324		442
325	static void *aio_proc (void *arg);	443	#ifdef USE_SOCKETS_AS_HANDLES
		444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		445	#else
		446	# define TO_SOCKET(x) (x)
		447	#endif
		448
		449	static void
		450	create_respipe (void)
		451	{
		452	#ifdef _WIN32
		453	int arg; /* argg */
		454	#endif
		455	int old_readfd = respipe [0];
		456
		457	if (respipe [1] >= 0)
		458	respipe_close (TO_SOCKET (respipe [1]));
		459
		460	#ifdef _WIN32
		461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		462	#else
		463	if (pipe (respipe))
		464	#endif
		465	croak ("unable to initialize result pipe");
		466
		467	if (old_readfd >= 0)
		468	{
		469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		470	croak ("unable to initialize result pipe(2)");
		471
		472	respipe_close (respipe [0]);
		473	respipe [0] = old_readfd;
		474	}
		475
		476	#ifdef _WIN32
		477	arg = 1;
		478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		480	#else
		481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		483	#endif
		484	croak ("unable to initialize result pipe(3)");
		485
		486	respipe_osf [0] = TO_SOCKET (respipe [0]);
		487	respipe_osf [1] = TO_SOCKET (respipe [1]);
		488	}
		489
		490	X_THREAD_PROC (bdb_proc);
326		491
327	static void start_thread (void)	492	static void start_thread (void)
328	{	493	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	494	worker *wrk = calloc (1, sizeof (worker));
333		495
334	if (!wrk)	496	if (!wrk)
335	croak ("unable to allocate worker thread data");	497	croak ("unable to allocate worker thread data");
336		498
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	499	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	500	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	501	{
350	wrk->prev = &wrk_first;	502	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	503	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	504	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	505	wrk_first.next = wrk;
354	++started;	506	++started;
355	}	507	}
356	else	508	else
357	free (wrk);	509	free (wrk);
358		510
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
361	}	512	}
362		513
363	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
364	{	515	{
365	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
366	return;	517	return;
367		518
368	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
370	return;	521	return;
371		522
372	start_thread ();	523	start_thread ();
373	}	524	}
374		525
375	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
376	{	527	{
377	SV *wait_callback = 0;	528	SV *wait_callback = 0;
378		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
379	// synthesize callback if none given	543	// synthesize callback if none given
380	if (!SvOK (req->callback))	544	if (!req->callback)
381	{	545	{
		546	int count;
		547
382	dSP;	548	dSP;
383	PUSHMARK (SP);	549	PUSHMARK (SP);
384	PUTBACK;	550	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	551	count = call_sv (prepare_cb, G_ARRAY);
386	SPAGAIN;	552	SPAGAIN;
387		553
388	if (count != 2)	554	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
390		556
391	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
392	SvREFCNT_dec (req->callback);
393	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
394	}	559	}
395		560
396	++nreqs;	561	++nreqs;
397		562
398	LOCK (reqlock);	563	X_LOCK (reqlock);
399	++nready;	564	++nready;
400	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
403		568
404	maybe_start_thread ();	569	maybe_start_thread ();
405		570
406	if (wait_callback)	571	if (wait_callback)
407	{	572	{
408	dSP;	573	dSP;
409	PUSHMARK (SP);	574	PUSHMARK (SP);
410	PUTBACK;	575	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	577	}
414	}	578	}
415		579
416	static void end_thread (void)	580	static void end_thread (void)
417	{	581	{
418	aio_req req;	582	bdb_req req;
419		583
420	Newz (0, req, 1, aio_cb);	584	Newz (0, req, 1, bdb_cb);
421		585
422	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
424		588
425	LOCK (reqlock);	589	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	590	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	591	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	592	X_UNLOCK (reqlock);
429		593
430	LOCK (wrklock);	594	X_LOCK (wrklock);
431	--started;	595	--started;
432	UNLOCK (wrklock);	596	X_UNLOCK (wrklock);
433	}	597	}
434		598
435	static void set_max_idle (int nthreads)	599	static void set_max_idle (int nthreads)
436	{	600	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	602	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	603	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	604	}
441		605
442	static void min_parallel (int nthreads)	606	static void min_parallel (int nthreads)
443	{	607	{
444	if (wanted < nthreads)	608	if (wanted < nthreads)
…		…
452		616
453	while (started > wanted)	617	while (started > wanted)
454	end_thread ();	618	end_thread ();
455	}	619	}
456		620
457	static void poll_wait ()	621	static void poll_wait (void)
458	{	622	{
459	fd_set rfd;	623	fd_set rfd;
460		624
461	while (nreqs)	625	while (nreqs)
462	{	626	{
463	int size;	627	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	629	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	630	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		631
468	if (size)	632	if (size)
469	return;	633	return;
470		634
471	maybe_start_thread ();	635	maybe_start_thread ();
472		636
473	FD_ZERO(&rfd);	637	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	638	FD_SET (respipe [0], &rfd);
475		639
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	641	}
478	}	642	}
479		643
480	static int poll_cb ()	644	static int poll_cb (void)
481	{	645	{
482	dSP;	646	dSP;
483	int count = 0;	647	int count = 0;
484	int maxreqs = max_poll_reqs;	648	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	649	int do_croak = 0;
486	struct timeval tv_start, tv_now;	650	struct timeval tv_start, tv_now;
487	aio_req req;	651	bdb_req req;
488		652
489	if (max_poll_time)	653	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	654	gettimeofday (&tv_start, 0);
491		655
492	for (;;)	656	for (;;)
493	{	657	{
494	for (;;)	658	for (;;)
495	{	659	{
496	maybe_start_thread ();	660	maybe_start_thread ();
497		661
498	LOCK (reslock);	662	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	663	req = reqq_shift (&res_queue);
500		664
501	if (req)	665	if (req)
502	{	666	{
503	--npending;	667	--npending;
504		668
505	if (!res_queue.size)	669	if (!res_queue.size)
506	{	670	{
507	/* read any signals sent by the worker threads */	671	/* read any signals sent by the worker threads */
508	char buf [4];	672	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	673	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	674	;
511	}	675	}
512	}	676	}
513		677
514	UNLOCK (reslock);	678	X_UNLOCK (reslock);
515		679
516	if (!req)	680	if (!req)
517	break;	681	break;
518		682
519	--nreqs;	683	--nreqs;
…		…
549	}	713	}
550		714
551	return count;	715	return count;
552	}	716	}
553		717
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	718	/*****************************************************************************/
567		719
568	static void *aio_proc (void *thr_arg)	720	X_THREAD_PROC (bdb_proc)
569	{	721	{
570	aio_req req;	722	bdb_req req;
571	struct timespec ts;	723	struct timespec ts;
572	worker *self = (worker *)thr_arg;	724	worker *self = (worker *)thr_arg;
573		725
574	/* try to distribute timeouts somewhat evenly */	726	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	727	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		728
578	for (;;)	729	for (;;)
579	{	730	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	731	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		732
582	LOCK (reqlock);	733	X_LOCK (reqlock);
583		734
584	for (;;)	735	for (;;)
585	{	736	{
586	self->req = req = reqq_shift (&req_queue);	737	self->req = req = reqq_shift (&req_queue);
587		738
588	if (req)	739	if (req)
589	break;	740	break;
590		741
591	++idle;	742	++idle;
592		743
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	744	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	745	== ETIMEDOUT)
595	{	746	{
596	if (idle > max_idle)	747	if (idle > max_idle)
597	{	748	{
598	--idle;	749	--idle;
599	UNLOCK (reqlock);	750	X_UNLOCK (reqlock);
600	LOCK (wrklock);	751	X_LOCK (wrklock);
601	--started;	752	--started;
602	UNLOCK (wrklock);	753	X_UNLOCK (wrklock);
603	goto quit;	754	goto quit;
604	}	755	}
605		756
606	/* we are allowed to idle, so do so without any timeout */	757	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	758	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	759	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	760	}
610		761
611	--idle;	762	--idle;
612	}	763	}
613		764
614	--nready;	765	--nready;
615		766
616	UNLOCK (reqlock);	767	X_UNLOCK (reqlock);
617		768
618	switch (req->type)	769	switch (req->type)
619	{	770	{
620	case REQ_QUIT:	771	case REQ_QUIT:
		772	req->result = ENOSYS;
621	goto quit;	773	goto quit;
622		774
623	case REQ_ENV_OPEN:	775	case REQ_ENV_OPEN:
624	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	776	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
625	break;	777	break;
626		778
627	case REQ_ENV_CLOSE:	779	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);	780	req->result = req->env->close (req->env, req->uint1);
629	break;	781	break;
630		782
		783	case REQ_ENV_TXN_CHECKPOINT:
		784	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		785	break;
		786
		787	case REQ_ENV_LOCK_DETECT:
		788	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		789	break;
		790
		791	case REQ_ENV_MEMP_SYNC:
		792	req->result = req->env->memp_sync (req->env, 0);
		793	break;
		794
		795	case REQ_ENV_MEMP_TRICKLE:
		796	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		797	break;
		798
		799	case REQ_ENV_DBREMOVE:
		800	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		801	break;
		802
		803	case REQ_ENV_DBRENAME:
		804	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		805	break;
		806
631	case REQ_DB_OPEN:	807	case REQ_DB_OPEN:
632	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	808	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
633	break;	809	break;
634		810
635	case REQ_DB_CLOSE:	811	case REQ_DB_CLOSE:
636	req->result = req->db->close (req->db, req->uint1);	812	req->result = req->db->close (req->db, req->uint1);
637	break;	813	break;
638		814
		815	#if DB_VERSION_MINOR >= 4
639	case REQ_DB_COMPACT:	816	case REQ_DB_COMPACT:
640	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	817	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
641	break;	818	break;
		819	#endif
642		820
643	case REQ_DB_SYNC:	821	case REQ_DB_SYNC:
644	req->result = req->db->sync (req->db, req->uint1);	822	req->result = req->db->sync (req->db, req->uint1);
645	break;	823	break;
646		824
		825	case REQ_DB_UPGRADE:
		826	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		827	break;
		828
647	case REQ_DB_PUT:	829	case REQ_DB_PUT:
648	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	830	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
649	break;	831	break;
650		832
		833	#if DB_VERSION_MINOR >= 6
		834	case REQ_DB_EXISTS:
		835	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		836	break;
		837	#endif
651	case REQ_DB_GET:	838	case REQ_DB_GET:
652	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	839	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
653	break;	840	break;
654		841
655	case REQ_DB_PGET:	842	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	843	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;	844	break;
658		845
		846	case REQ_DB_DEL:
		847	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		848	break;
		849
		850	case REQ_DB_KEY_RANGE:
		851	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		852	break;
		853
659	case REQ_TXN_COMMIT:	854	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);	855	req->result = req->txn->commit (req->txn, req->uint1);
661	break;	856	break;
662		857
663	case REQ_TXN_ABORT:	858	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);	859	req->result = req->txn->abort (req->txn);
665	break;	860	break;
666		861
		862	case REQ_TXN_FINISH:
		863	if (req->txn->flags & TXN_DEADLOCK)
		864	{
		865	req->result = req->txn->abort (req->txn);
		866	if (!req->result)
		867	req->result = DB_LOCK_DEADLOCK;
		868	}
		869	else
		870	req->result = req->txn->commit (req->txn, req->uint1);
		871	break;
		872
		873	case REQ_C_CLOSE:
		874	req->result = req->dbc->c_close (req->dbc);
		875	break;
		876
		877	case REQ_C_COUNT:
		878	{
		879	db_recno_t recno;
		880	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		881	req->uv1 = recno;
		882	}
		883	break;
		884
		885	case REQ_C_PUT:
		886	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		887	break;
		888
		889	case REQ_C_GET:
		890	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		891	break;
		892
		893	case REQ_C_PGET:
		894	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		895	break;
		896
		897	case REQ_C_DEL:
		898	req->result = req->dbc->c_del (req->dbc, req->uint1);
		899	break;
		900
		901	#if DB_VERSION_MINOR >= 3
		902	case REQ_SEQ_OPEN:
		903	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		904	break;
		905
		906	case REQ_SEQ_CLOSE:
		907	req->result = req->seq->close (req->seq, req->uint1);
		908	break;
		909
		910	case REQ_SEQ_GET:
		911	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		912	break;
		913
		914	case REQ_SEQ_REMOVE:
		915	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		916	break;
		917	#endif
		918
667	default:	919	default:
668	req->result = ENOSYS;	920	req->result = ENOSYS;
669	break;	921	break;
670	}	922	}
671		923
		924	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		925	req->txn->flags |= TXN_DEADLOCK;
		926
672	LOCK (reslock);	927	X_LOCK (reslock);
673		928
674	++npending;	929	++npending;
675		930
676	if (!reqq_push (&res_queue, req))	931	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	932	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	933	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		934
680	self->req = 0;	935	self->req = 0;
681	worker_clear (self);	936	worker_clear (self);
682		937
683	UNLOCK (reslock);	938	X_UNLOCK (reslock);
684	}	939	}
685		940
686	quit:	941	quit:
687	LOCK (wrklock);	942	X_LOCK (wrklock);
688	worker_free (self);	943	worker_free (self);
689	UNLOCK (wrklock);	944	X_UNLOCK (wrklock);
690		945
691	return 0;	946	return 0;
692	}	947	}
693		948
694	/*****************************************************************************/	949	/*****************************************************************************/
695		950
696	static void atfork_prepare (void)	951	static void atfork_prepare (void)
697	{	952	{
698	LOCK (wrklock);	953	X_LOCK (wrklock);
699	LOCK (reqlock);	954	X_LOCK (reqlock);
700	LOCK (reslock);	955	X_LOCK (reslock);
701	}	956	}
702		957
703	static void atfork_parent (void)	958	static void atfork_parent (void)
704	{	959	{
705	UNLOCK (reslock);	960	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	962	X_UNLOCK (wrklock);
708	}	963	}
709		964
710	static void atfork_child (void)	965	static void atfork_child (void)
711	{	966	{
712	aio_req prv;	967	bdb_req prv;
713		968
714	while (prv = reqq_shift (&req_queue))	969	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	970	req_free (prv);
716		971
717	while (prv = reqq_shift (&res_queue))	972	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	987	idle = 0;
733	nreqs = 0;	988	nreqs = 0;
734	nready = 0;	989	nready = 0;
735	npending = 0;	990	npending = 0;
736		991
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	992	create_respipe ();
740		993
741	atfork_parent ();	994	atfork_parent ();
742	}	995	}
743		996
744	#define dREQ(reqtype) \	997	#define dREQ(reqtype,rsvcnt) \
745	aio_req req; \	998	bdb_req req; \
746	int req_pri = next_pri; \	999	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	1000	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	1001	\
749	if (SvOK (callback) && !SvROK (callback)) \	1002	if (callback && SvOK (callback)) \
750	croak ("callback must be undef or of reference type"); \	1003	croak ("callback has illegal type or extra arguments"); \
751	\	1004	\
752	Newz (0, req, 1, aio_cb); \	1005	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	1006	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	1007	croak ("out of memory during bdb_req allocation"); \
755	\	1008	\
756	req->callback = newSVsv (callback); \	1009	req->callback = SvREFCNT_inc (cb); \
757	req->type = (reqtype); \	1010	req->type = (reqtype); \
758	req->pri = req_pri	1011	req->pri = req_pri; \
		1012	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1013	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1014	(void)0;
759		1015
760	#define REQ_SEND \	1016	#define REQ_SEND \
761	req_send (req)	1017	req_send (req)
762		1018
763	#define SvPTR(var, arg, type, class, nullok) \	1019	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	1020	if (!SvOK (arg)) \
765	{ \	1021	{ \
766	if (!nullok) \	1022	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	1023	croak (# var " must be a " # class " object, not undef"); \
768	\	1024	\
769	(var) = 0; \	1025	(var) = 0; \
770	} \	1026	} \
771	else if (sv_derived_from ((arg), # class)) \	1027	else if (sv_derived_from ((arg), # class)) \
772	{ \	1028	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	1029	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	1030	(var) = INT2PTR (type, tmp); \
775	if (!var) \	1031	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	1032	croak (# var " is not a valid " # class " object anymore"); \
777	} \	1033	} \
778	else \	1034	else \
779	Perl_croak (# var " is not of type " # class); \	1035	croak (# var " is not of type " # class);
780	\
781		1036
782	static void	1037	static void
783	ptr_nuke (SV *sv)	1038	ptr_nuke (SV *sv)
784	{	1039	{
785	assert (SvROK (sv));	1040	assert (SvROK (sv));
786	sv_setiv (SvRV (sv), 0);	1041	sv_setiv (SvRV (sv), 0);
787	}	1042	}
		1043
		1044	static int
		1045	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1046	{
		1047	if (*mg->mg_ptr == '!') // should always be the case
		1048	if (-30999 <= errno && errno <= -30800)
		1049	{
		1050	sv_setnv (sv, (NV)errno);
		1051	sv_setpv (sv, db_strerror (errno));
		1052	SvNOK_on (sv); /* what a wonderful hack! */
		1053	// ^^^ copied from perl sources
		1054	return 0;
		1055	}
		1056
		1057	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1058	}
		1059
		1060	static MGVTBL vtbl_errno;
		1061
		1062	// this wonderful hack :( patches perl's $! variable to support our errno values
		1063	static void
		1064	patch_errno (void)
		1065	{
		1066	SV *sv;
		1067	MAGIC *mg;
		1068
		1069	if (!(sv = get_sv ("!", 1)))
		1070	return;
		1071
		1072	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1073	return;
		1074
		1075	if (mg->mg_virtual != &PL_vtbl_sv)
		1076	return;
		1077
		1078	vtbl_errno = PL_vtbl_sv;
		1079	vtbl_errno.svt_get = errno_get;
		1080	mg->mg_virtual = &vtbl_errno;
		1081	}
		1082
		1083	#if __GNUC__ >= 4
		1084	# define noinline __attribute__ ((noinline))
		1085	#else
		1086	# define noinline
		1087	#endif
		1088
		1089	static noinline SV *
		1090	pop_callback (I32 *ritems, SV *sv)
		1091	{
		1092	if (SvROK (sv))
		1093	{
		1094	HV *st;
		1095	GV *gvp;
		1096	CV *cv;
		1097	const char *name;
		1098
		1099	/* forgive me */
		1100	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1101	&& (st = SvSTASH (SvRV (sv)))
		1102	&& (name = HvNAME_get (st))
		1103	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1104	return 0;
		1105
		1106	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1107	{
		1108	--*ritems;
		1109	return (SV *)cv;
		1110	}
		1111	}
		1112
		1113	return 0;
		1114	}
		1115
		1116	/* stupid windoes defined CALLBACK as well */
		1117	#undef CALLBACK
		1118	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
788		1119
789	MODULE = BDB PACKAGE = BDB	1120	MODULE = BDB PACKAGE = BDB
790		1121
791	PROTOTYPES: ENABLE	1122	PROTOTYPES: ENABLE
792		1123
…		…
808	const_iv (INIT_TXN)	1139	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1140	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1141	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1142	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1143	const_iv (CREATE)
		1144	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1145	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1146	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1147	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1148	const_iv (PRIVATE)
817	const_iv (REGISTER)
818	const_iv (SYSTEM_MEM)	1149	const_iv (SYSTEM_MEM)
819	const_iv (AUTO_COMMIT)	1150	const_iv (AUTO_COMMIT)
820	const_iv (CDB_ALLDB)	1151	const_iv (CDB_ALLDB)
821	const_iv (DIRECT_DB)	1152	const_iv (DIRECT_DB)
822	const_iv (DIRECT_LOG)
823	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	1153	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1154	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1155	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1156	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1157	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1158	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1159	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1160	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1161	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1162	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1163	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1164	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1165	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1166	const_iv (XA_CREATE)
…		…
843	const_iv (HASH)	1168	const_iv (HASH)
844	const_iv (QUEUE)	1169	const_iv (QUEUE)
845	const_iv (RECNO)	1170	const_iv (RECNO)
846	const_iv (UNKNOWN)	1171	const_iv (UNKNOWN)
847	const_iv (EXCL)	1172	const_iv (EXCL)
848	const_iv (READ_COMMITTED)
849	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1173	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1174	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1175	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1176	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1177	const_iv (DUP)
856	const_iv (DUPSORT)	1178	const_iv (DUPSORT)
857	const_iv (RECNUM)	1179	const_iv (RECNUM)
858	const_iv (RENUMBER)	1180	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1181	const_iv (REVSPLITOFF)
860	const_iv (INORDER)
861	const_iv (CONSUME)	1182	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1183	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1184	const_iv (GET_BOTH)
		1185	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1186	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1187	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1188	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1189	const_iv (JOIN_ITEM)
		1190	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1191	const_iv (RMW)
869		1192
870	const_iv (NOTFOUND)	1193	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1194	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1195	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1196	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1197	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1198	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1199	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1200	const_iv (SECONDARY_BAD)
878
879	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)
881		1201
882	const_iv (APPEND)	1202	const_iv (APPEND)
883	const_iv (NODUPDATA)	1203	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1204	const_iv (NOOVERWRITE)
885		1205
886	const_iv (TXN_NOWAIT)	1206	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1207	const_iv (TXN_SYNC)
889		1208
890	const_iv (SET_LOCK_TIMEOUT)	1209	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1210	const_iv (SET_TXN_TIMEOUT)
		1211
		1212	const_iv (FIRST)
		1213	const_iv (NEXT)
		1214	const_iv (NEXT_DUP)
		1215	const_iv (NEXT_NODUP)
		1216	const_iv (PREV)
		1217	const_iv (PREV_NODUP)
		1218	const_iv (SET)
		1219	const_iv (SET_RANGE)
		1220	const_iv (LAST)
		1221	const_iv (BEFORE)
		1222	const_iv (AFTER)
		1223	const_iv (CURRENT)
		1224	const_iv (KEYFIRST)
		1225	const_iv (KEYLAST)
		1226	const_iv (NODUPDATA)
		1227
		1228	const_iv (FORCE)
		1229
		1230	const_iv (LOCK_DEFAULT)
		1231	const_iv (LOCK_EXPIRE)
		1232	const_iv (LOCK_MAXLOCKS)
		1233	const_iv (LOCK_MINLOCKS)
		1234	const_iv (LOCK_MINWRITE)
		1235	const_iv (LOCK_OLDEST)
		1236	const_iv (LOCK_RANDOM)
		1237	const_iv (LOCK_YOUNGEST)
		1238
		1239	const_iv (DONOTINDEX)
		1240	const_iv (KEYEMPTY )
		1241	const_iv (KEYEXIST )
		1242	const_iv (LOCK_DEADLOCK)
		1243	const_iv (LOCK_NOTGRANTED)
		1244	const_iv (NOSERVER)
		1245	const_iv (NOSERVER_HOME)
		1246	const_iv (NOSERVER_ID)
		1247	const_iv (NOTFOUND)
		1248	const_iv (PAGE_NOTFOUND)
		1249	const_iv (REP_DUPMASTER)
		1250	const_iv (REP_HANDLE_DEAD)
		1251	const_iv (REP_HOLDELECTION)
		1252	const_iv (REP_ISPERM)
		1253	const_iv (REP_NEWMASTER)
		1254	const_iv (REP_NEWSITE)
		1255	const_iv (REP_NOTPERM)
		1256	const_iv (REP_UNAVAIL)
		1257	const_iv (RUNRECOVERY)
		1258	const_iv (SECONDARY_BAD)
		1259	const_iv (VERIFY_BAD)
		1260
		1261	const_iv (VERB_DEADLOCK)
		1262	const_iv (VERB_RECOVERY)
		1263	const_iv (VERB_REPLICATION)
		1264	const_iv (VERB_WAITSFOR)
		1265
		1266	const_iv (VERSION_MAJOR)
		1267	const_iv (VERSION_MINOR)
		1268	const_iv (VERSION_PATCH)
		1269	#if DB_VERSION_MINOR >= 3
		1270	const_iv (INORDER)
		1271	const_iv (LOCK_MAXWRITE)
		1272	const_iv (SEQ_DEC)
		1273	const_iv (SEQ_INC)
		1274	const_iv (SEQ_WRAP)
		1275	const_iv (BUFFER_SMALL)
		1276	const_iv (LOG_BUFFER_FULL)
		1277	const_iv (VERSION_MISMATCH)
		1278	#endif
		1279	#if DB_VERSION_MINOR >= 4
		1280	const_iv (REGISTER)
		1281	const_iv (DSYNC_DB)
		1282	const_iv (READ_COMMITTED)
		1283	const_iv (READ_UNCOMMITTED)
		1284	const_iv (REP_IGNORE)
		1285	const_iv (REP_LOCKOUT)
		1286	const_iv (REP_JOIN_FAILURE)
		1287	const_iv (FREE_SPACE)
		1288	const_iv (FREELIST_ONLY)
		1289	const_iv (VERB_REGISTER)
		1290	#endif
		1291	#if DB_VERSION_MINOR >= 5
		1292	const_iv (MULTIVERSION)
		1293	const_iv (TXN_SNAPSHOT)
		1294	#endif
		1295	#if DB_VERSION_MINOR >= 6
		1296	const_iv (PREV_DUP)
		1297	const_iv (PRIORITY_UNCHANGED)
		1298	const_iv (PRIORITY_VERY_LOW)
		1299	const_iv (PRIORITY_LOW)
		1300	const_iv (PRIORITY_DEFAULT)
		1301	const_iv (PRIORITY_HIGH)
		1302	const_iv (PRIORITY_VERY_HIGH)
		1303	#endif
		1304	#if DB_VERSION_MINOR >= 7
		1305	const_iv (LOG_DIRECT)
		1306	const_iv (LOG_DSYNC)
		1307	const_iv (LOG_AUTO_REMOVE)
		1308	const_iv (LOG_IN_MEMORY)
		1309	const_iv (LOG_ZERO)
		1310	#else
		1311	const_iv (DIRECT_LOG)
		1312	const_iv (LOG_AUTOREMOVE)
		1313	# if DB_VERSION_MINOR >= 3
		1314	const_iv (DSYNC_LOG)
		1315	const_iv (LOG_INMEMORY)
		1316	# endif
		1317	#endif
892	};	1318	};
893		1319
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1320	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1321	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1322
897	create_pipe ();	1323	{
		1324	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1325	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1326
		1327	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1328	}
		1329
		1330	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1331
		1332	create_respipe ();
		1333
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1334	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1335	patch_errno ();
899	}	1336	}
900		1337
901	void	1338	void
902	max_poll_reqs (int nreqs)	1339	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1340	PROTOTYPE: $
…		…
1022		1459
1023	int	1460	int
1024	nthreads ()	1461	nthreads ()
1025	PROTOTYPE:	1462	PROTOTYPE:
1026	CODE:	1463	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1464	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1465	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1466	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1467	OUTPUT:
1031	RETVAL	1468	RETVAL
1032		1469
1033	void	1470	void
1034	set_sync_prepare (SV *cb)	1471	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1472	PROTOTYPE: &
1036	CODE:	1473	CODE:
1037	SvREFCNT_dec (prepare_cb);	1474	SvREFCNT_dec (prepare_cb);
1038	prepare_cb = newSVsv (cb);	1475	prepare_cb = newSVsv (cb);
		1476
		1477	char *
		1478	strerror (int errorno = errno)
		1479	PROTOTYPE: ;$
		1480	CODE:
		1481	RETVAL = db_strerror (errorno);
		1482	OUTPUT:
		1483	RETVAL
		1484
		1485	void _on_next_submit (SV *cb)
		1486	CODE:
		1487	SvREFCNT_dec (on_next_submit);
		1488	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1039		1489
1040	DB_ENV *	1490	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1491	db_env_create (U32 env_flags = 0)
1042	CODE:	1492	CODE:
1043	{	1493	{
1044	errno = db_env_create (&RETVAL, env_flags);	1494	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1495	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1496	croak ("db_env_create: %s", db_strerror (errno));
		1497
		1498	if (0)
		1499	{
		1500	RETVAL->set_errcall (RETVAL, debug_errcall);
		1501	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1502	}
1047	}	1503	}
1048	OUTPUT:	1504	OUTPUT:
1049	RETVAL	1505	RETVAL
1050		1506
1051	void	1507	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1508	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1509	PREINIT:
		1510	CALLBACK
1053	CODE:	1511	CODE:
1054	{	1512	{
1055	dREQ (REQ_ENV_OPEN);	1513	dREQ (REQ_ENV_OPEN, 1);
1056	req->env = env;	1514	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1515	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1516	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1517	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1518	REQ_SEND;
1061	}	1519	}
1062		1520
1063	void	1521	void
1064	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1522	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1523	PREINIT:
		1524	CALLBACK
1065	CODE:	1525	CODE:
1066	{	1526	{
1067	dREQ (REQ_ENV_CLOSE);	1527	dREQ (REQ_ENV_CLOSE, 1);
1068	req->env = env;	1528	req->env = env;
1069	req->uint1 = flags;	1529	req->uint1 = flags;
1070	REQ_SEND;	1530	REQ_SEND;
1071	ptr_nuke (ST (0));	1531	ptr_nuke (ST (0));
1072	}	1532	}
1073		1533
		1534	void
		1535	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
		1538	CODE:
		1539	{
		1540	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1541	req->env = env;
		1542	req->uint1 = kbyte;
		1543	req->int1 = min;
		1544	req->uint2 = flags;
		1545	REQ_SEND;
		1546	}
		1547
		1548	void
		1549	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
		1552	CODE:
		1553	{
		1554	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1555	req->env = env;
		1556	req->uint1 = flags;
		1557	req->uint2 = atype;
		1558	/* req->int2 = 0; dummy */
		1559	REQ_SEND;
		1560	}
		1561
		1562	void
		1563	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
		1566	CODE:
		1567	{
		1568	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1569	req->env = env;
		1570	REQ_SEND;
		1571	}
		1572
		1573	void
		1574	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
		1577	CODE:
		1578	{
		1579	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1580	req->env = env;
		1581	req->int1 = percent;
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1587	PREINIT:
		1588	CALLBACK
		1589	CODE:
		1590	{
		1591	dREQ (REQ_ENV_DBREMOVE, 2);
		1592	req->env = env;
		1593	req->buf1 = strdup_ornull (file);
		1594	req->buf2 = strdup_ornull (database);
		1595	req->uint1 = flags;
		1596	REQ_SEND;
		1597	}
		1598
		1599	void
		1600	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)
		1601	PREINIT:
		1602	CALLBACK
		1603	CODE:
		1604	{
		1605	dREQ (REQ_ENV_DBRENAME, 2);
		1606	req->env = env;
		1607	req->buf1 = strdup_ornull (file);
		1608	req->buf2 = strdup_ornull (database);
		1609	req->buf3 = strdup_ornull (newname);
		1610	req->uint1 = flags;
		1611	REQ_SEND;
		1612	}
		1613
1074	DB *	1614	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1615	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1616	CODE:
1077	{	1617	{
1078	errno = db_create (&RETVAL, env, flags);	1618	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1619	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1620	croak ("db_create: %s", db_strerror (errno));
1081		1621
1082	if (RETVAL)	1622	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1623	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1624	}
1085	OUTPUT:	1625	OUTPUT:
1086	RETVAL	1626	RETVAL
1087		1627
1088	void	1628	void
1089	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1629	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1630	PREINIT:
		1631	CALLBACK
1090	CODE:	1632	CODE:
1091	{	1633	{
1092	dREQ (REQ_DB_OPEN);	1634	dREQ (REQ_DB_OPEN, 2);
1093	req->db = db;	1635	req->db = db;
1094	req->txn = txnid;	1636	req->txn = txnid;
1095	req->buf1 = strdup_ornull (file);	1637	req->buf1 = strdup_ornull (file);
1096	req->buf2 = strdup_ornull (database);	1638	req->buf2 = strdup_ornull (database);
1097	req->int1 = type;	1639	req->int1 = type;
…		…
1099	req->int2 = mode;	1641	req->int2 = mode;
1100	REQ_SEND;	1642	REQ_SEND;
1101	}	1643	}
1102		1644
1103	void	1645	void
1104	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1646	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1647	PREINIT:
		1648	CALLBACK
1105	CODE:	1649	CODE:
1106	{	1650	{
1107	dREQ (REQ_DB_CLOSE);	1651	dREQ (REQ_DB_CLOSE, 1);
1108	req->db = db;	1652	req->db = db;
1109	req->uint1 = flags;	1653	req->uint1 = flags;
1110	req->sv1 = (SV *)db->app_private;	1654	req->sv1 = (SV *)db->app_private;
1111	REQ_SEND;	1655	REQ_SEND;
1112	ptr_nuke (ST (0));	1656	ptr_nuke (ST (0));
1113	}	1657	}
1114		1658
		1659	#if DB_VERSION_MINOR >= 4
		1660
1115	void	1661	void
1116	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)	1662	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)
		1663	PREINIT:
		1664	CALLBACK
1117	CODE:	1665	CODE:
1118	{	1666	{
1119	dREQ (REQ_DB_COMPACT);	1667	dREQ (REQ_DB_COMPACT, 2);
1120	req->db = db;	1668	req->db = db;
1121	req->txn = txn;	1669	req->txn = txn;
1122	sv_to_dbt (&req->dbt1, start);	1670	sv_to_dbt (&req->dbt1, start);
1123	sv_to_dbt (&req->dbt2, stop);	1671	sv_to_dbt (&req->dbt2, stop);
1124	req->uint1 = flags;	1672	req->uint1 = flags;
1125	REQ_SEND;	1673	REQ_SEND;
1126	}	1674	}
1127		1675
		1676	#endif
		1677
1128	void	1678	void
1129	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1679	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
1130	CODE:	1682	CODE:
1131	{	1683	{
1132	dREQ (REQ_DB_SYNC);	1684	dREQ (REQ_DB_SYNC, 1);
1133	req->db = db;	1685	req->db = db;
1134	req->uint1 = flags;	1686	req->uint1 = flags;
1135	REQ_SEND;	1687	REQ_SEND;
1136	}	1688	}
1137		1689
1138	void	1690	void
		1691	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1692	PREINIT:
		1693	CALLBACK
		1694	CODE:
		1695	{
		1696	dREQ (REQ_DB_SYNC, 1);
		1697	req->db = db;
		1698	req->buf1 = strdup (file);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_DB_KEY_RANGE, 2);
		1710	req->db = db;
		1711	req->txn = txn;
		1712	sv_to_dbt (&req->dbt1, key);
		1713	req->uint1 = flags;
		1714	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1719	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
1140	CODE:	1722	CODE:
1141	{	1723	{
1142	dREQ (REQ_DB_PUT);	1724	dREQ (REQ_DB_PUT, 2);
1143	req->db = db;	1725	req->db = db;
1144	req->txn = txn;	1726	req->txn = txn;
1145	sv_to_dbt (&req->dbt1, key);	1727	sv_to_dbt (&req->dbt1, key);
1146	sv_to_dbt (&req->dbt2, data);	1728	sv_to_dbt (&req->dbt2, data);
1147	req->uint1 = flags;	1729	req->uint1 = flags;
1148	REQ_SEND;	1730	REQ_SEND;
1149	}	1731	}
1150		1732
		1733	#if DB_VERSION_MINOR >= 6
		1734
1151	void	1735	void
1152	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1736	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
1153	CODE:	1739	CODE:
1154	{	1740	{
1155	dREQ (REQ_DB_GET);	1741	dREQ (REQ_DB_EXISTS, 2);
1156	req->db = db;	1742	req->db = db;
1157	req->txn = txn;	1743	req->txn = txn;
		1744	req->uint1 = flags;
		1745	sv_to_dbt (&req->dbt1, key);
		1746	REQ_SEND;
		1747	}
		1748
		1749	#endif
		1750
		1751	void
		1752	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1753	PREINIT:
		1754	CALLBACK
		1755	CODE:
		1756	if (SvREADONLY (data))
		1757	croak ("can't modify read-only data scalar in db_get");
		1758	{
		1759	dREQ (REQ_DB_GET, 2);
		1760	req->db = db;
		1761	req->txn = txn;
		1762	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1763	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1764	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1765	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1766	REQ_SEND;
1164	}	1767	}
1165		1768
1166	void	1769	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1770	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1771	PREINIT:
		1772	CALLBACK
1168	CODE:	1773	CODE:
		1774	if (SvREADONLY (data))
		1775	croak ("can't modify read-only data scalar in db_pget");
1169	{	1776	{
1170	dREQ (REQ_DB_PGET);	1777	dREQ (REQ_DB_PGET, 2);
1171	req->db = db;	1778	req->db = db;
1172	req->txn = txn;	1779	req->txn = txn;
		1780	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1781	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1782	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1783	req->dbt3.flags = DB_DBT_MALLOC;
1176	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1784	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1785	REQ_SEND;
1180	}	1786	}
1181		1787
1182	void	1788	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1789	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1790	PREINIT:
		1791	CALLBACK
1184	CODE:	1792	CODE:
1185	{	1793	{
1186	dREQ (REQ_TXN_COMMIT);	1794	dREQ (REQ_DB_DEL, 2);
		1795	req->db = db;
1187	req->txn = txn;	1796	req->txn = txn;
1188	req->uint1 = flags;	1797	req->uint1 = flags;
		1798	sv_to_dbt (&req->dbt1, key);
		1799	REQ_SEND;
		1800	}
		1801
		1802	void
		1803	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1804	PREINIT:
		1805	CALLBACK
		1806	CODE:
		1807	{
		1808	dREQ (REQ_TXN_COMMIT, 1);
		1809	req->txn = txn;
		1810	req->uint1 = flags;
1189	REQ_SEND;	1811	REQ_SEND;
1190	ptr_nuke (ST (0));	1812	ptr_nuke (ST (0));
1191	}	1813	}
1192		1814
1193	void	1815	void
1194	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1816	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
1195	CODE:	1819	CODE:
1196	{	1820	{
1197	dREQ (REQ_TXN_ABORT);	1821	dREQ (REQ_TXN_ABORT, 1);
1198	req->txn = txn;	1822	req->txn = txn;
1199	REQ_SEND;	1823	REQ_SEND;
1200	ptr_nuke (ST (0));	1824	ptr_nuke (ST (0));
1201	}	1825	}
1202		1826
		1827	void
		1828	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
		1831	CODE:
		1832	{
		1833	dREQ (REQ_TXN_FINISH, 1);
		1834	req->txn = txn;
		1835	req->uint1 = flags;
		1836	REQ_SEND;
		1837	ptr_nuke (ST (0));
		1838	}
		1839
		1840	void
		1841	db_c_close (DBC *dbc, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
		1844	CODE:
		1845	{
		1846	dREQ (REQ_C_CLOSE, 1);
		1847	req->dbc = dbc;
		1848	REQ_SEND;
		1849	ptr_nuke (ST (0));
		1850	}
		1851
		1852	void
		1853	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_C_COUNT, 1);
		1859	req->dbc = dbc;
		1860	req->sv1 = SvREFCNT_inc (count);
		1861	REQ_SEND;
		1862	}
		1863
		1864	void
		1865	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1866	PREINIT:
		1867	CALLBACK
		1868	CODE:
		1869	{
		1870	dREQ (REQ_C_PUT, 1);
		1871	req->dbc = dbc;
		1872	sv_to_dbt (&req->dbt1, key);
		1873	sv_to_dbt (&req->dbt2, data);
		1874	req->uint1 = flags;
		1875	REQ_SEND;
		1876	}
		1877
		1878	void
		1879	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1880	PREINIT:
		1881	CALLBACK
		1882	CODE:
		1883	{
		1884	dREQ (REQ_C_GET, 1);
		1885	req->dbc = dbc;
		1886	req->uint1 = flags;
		1887	if ((flags & DB_SET) == DB_SET
		1888	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1889	sv_to_dbt (&req->dbt1, key);
		1890	else
		1891	req->dbt1.flags = DB_DBT_MALLOC;
		1892
		1893	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1894
		1895	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1896	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1897	sv_to_dbt (&req->dbt3, data);
		1898	else
		1899	req->dbt3.flags = DB_DBT_MALLOC;
		1900
		1901	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1902	REQ_SEND;
		1903	}
		1904
		1905	void
		1906	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
		1909	CODE:
		1910	{
		1911	dREQ (REQ_C_PGET, 1);
		1912	req->dbc = dbc;
		1913	req->uint1 = flags;
		1914	if ((flags & DB_SET) == DB_SET
		1915	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1916	sv_to_dbt (&req->dbt1, key);
		1917	else
		1918	req->dbt1.flags = DB_DBT_MALLOC;
		1919
		1920	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1921
		1922	req->dbt2.flags = DB_DBT_MALLOC;
		1923	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1924
		1925	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1926	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1927	sv_to_dbt (&req->dbt3, data);
		1928	else
		1929	req->dbt3.flags = DB_DBT_MALLOC;
		1930
		1931	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1932	REQ_SEND;
		1933	}
		1934
		1935	void
		1936	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1937	PREINIT:
		1938	CALLBACK
		1939	CODE:
		1940	{
		1941	dREQ (REQ_C_DEL, 1);
		1942	req->dbc = dbc;
		1943	req->uint1 = flags;
		1944	REQ_SEND;
		1945	}
		1946
		1947
		1948	#if DB_VERSION_MINOR >= 3
		1949
		1950	void
		1951	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
		1954	CODE:
		1955	{
		1956	dREQ (REQ_SEQ_OPEN, 2);
		1957	req->seq = seq;
		1958	req->txn = txnid;
		1959	req->uint1 = flags | DB_THREAD;
		1960	sv_to_dbt (&req->dbt1, key);
		1961	REQ_SEND;
		1962	}
		1963
		1964	void
		1965	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1966	PREINIT:
		1967	CALLBACK
		1968	CODE:
		1969	{
		1970	dREQ (REQ_SEQ_CLOSE, 1);
		1971	req->seq = seq;
		1972	req->uint1 = flags;
		1973	REQ_SEND;
		1974	ptr_nuke (ST (0));
		1975	}
		1976
		1977	void
		1978	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1979	PREINIT:
		1980	CALLBACK
		1981	CODE:
		1982	{
		1983	dREQ (REQ_SEQ_GET, 2);
		1984	req->seq = seq;
		1985	req->txn = txnid;
		1986	req->int1 = delta;
		1987	req->uint1 = flags;
		1988	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1989	REQ_SEND;
		1990	}
		1991
		1992	void
		1993	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
		1996	CODE:
		1997	{
		1998	dREQ (REQ_SEQ_REMOVE, 2);
		1999	req->seq = seq;
		2000	req->txn = txnid;
		2001	req->uint1 = flags;
		2002	REQ_SEND;
		2003	}
		2004
		2005	#endif
		2006
1203		2007
1204	MODULE = BDB PACKAGE = BDB::Env	2008	MODULE = BDB PACKAGE = BDB::Env
1205		2009
1206	void	2010	void
1207	DESTROY (DB_ENV_ornull *env)	2011	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	2012	CODE:
1209	if (env)	2013	if (env)
1210	env->close (env, 0);	2014	env->close (env, 0);
1211		2015
		2016	int set_data_dir (DB_ENV *env, const char *dir)
		2017	CODE:
		2018	RETVAL = env->set_data_dir (env, dir);
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	int set_tmp_dir (DB_ENV *env, const char *dir)
		2023	CODE:
		2024	RETVAL = env->set_tmp_dir (env, dir);
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	int set_lg_dir (DB_ENV *env, const char *dir)
		2029	CODE:
		2030	RETVAL = env->set_lg_dir (env, dir);
		2031	OUTPUT:
		2032	RETVAL
		2033
		2034	int set_shm_key (DB_ENV *env, long shm_key)
		2035	CODE:
		2036	RETVAL = env->set_shm_key (env, shm_key);
		2037	OUTPUT:
		2038	RETVAL
		2039
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2040	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	2041	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2042	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	2043	OUTPUT:
1216	RETVAL	2044	RETVAL
1217		2045
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	2046	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	2047	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	2048	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	2049	OUTPUT:
1222	RETVAL	2050	RETVAL
1223		2051
		2052	#if DB_VERSION_MINOR >= 7
		2053
		2054	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2055	CODE:
		2056	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2057	OUTPUT:
		2058	RETVAL
		2059
		2060	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2061	CODE:
		2062	RETVAL = env->log_set_config (env, flags, onoff);
		2063	OUTPUT:
		2064	RETVAL
		2065
		2066	#endif
		2067
		2068
		2069	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2070	CODE:
		2071	env->set_errfile (env, errfile);
		2072
		2073	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2074	CODE:
		2075	env->set_msgfile (env, msgfile);
		2076
		2077	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2078	CODE:
		2079	RETVAL = env->set_verbose (env, which, onoff);
		2080	OUTPUT:
		2081	RETVAL
		2082
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2083	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	2084	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	2085	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	2086	OUTPUT:
1228	RETVAL	2087	RETVAL
1229		2088
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2089	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	2090	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2091	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	2092	OUTPUT:
1234	RETVAL	2093	RETVAL
		2094
		2095	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2096	CODE:
		2097	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2098	OUTPUT:
		2099	RETVAL
		2100
		2101	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2102	CODE:
		2103	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2104	OUTPUT:
		2105	RETVAL
		2106
		2107	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2108	CODE:
		2109	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2110	OUTPUT:
		2111	RETVAL
		2112
		2113	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2114	CODE:
		2115	RETVAL = env->set_lk_detect (env, detect);
		2116	OUTPUT:
		2117	RETVAL
		2118
		2119	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2120	CODE:
		2121	RETVAL = env->set_lk_max_lockers (env, max);
		2122	OUTPUT:
		2123	RETVAL
		2124
		2125	int set_lk_max_locks (DB_ENV *env, U32 max)
		2126	CODE:
		2127	RETVAL = env->set_lk_max_locks (env, max);
		2128	OUTPUT:
		2129	RETVAL
		2130
		2131	int set_lk_max_objects (DB_ENV *env, U32 max)
		2132	CODE:
		2133	RETVAL = env->set_lk_max_objects (env, max);
		2134	OUTPUT:
		2135	RETVAL
		2136
		2137	int set_lg_bsize (DB_ENV *env, U32 max)
		2138	CODE:
		2139	RETVAL = env->set_lg_bsize (env, max);
		2140	OUTPUT:
		2141	RETVAL
		2142
		2143	int set_lg_max (DB_ENV *env, U32 max)
		2144	CODE:
		2145	RETVAL = env->set_lg_max (env, max);
		2146	OUTPUT:
		2147	RETVAL
		2148
		2149	#if DB_VERSION_MINOR >= 4
		2150
		2151	int mutex_set_max (DB_ENV *env, U32 max)
		2152	CODE:
		2153	RETVAL = env->mutex_set_max (env, max);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_increment (DB_ENV *env, U32 increment)
		2158	CODE:
		2159	RETVAL = env->mutex_set_increment (env, increment);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2164	CODE:
		2165	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2166	OUTPUT:
		2167	RETVAL
		2168
		2169	int mutex_set_align (DB_ENV *env, U32 align)
		2170	CODE:
		2171	RETVAL = env->mutex_set_align (env, align);
		2172	OUTPUT:
		2173	RETVAL
		2174
		2175	#endif
1235		2176
1236	DB_TXN *	2177	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2178	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	2179	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	2180	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	2181	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	2182	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	2183	OUTPUT:
1243	RETVAL	2184	RETVAL
1244		2185
		2186	#if DB_VERSION_MINOR >= 5
		2187
		2188	DB_TXN *
		2189	cdsgroup_begin (DB_ENV *env)
		2190	CODE:
		2191	errno = env->cdsgroup_begin (env, &RETVAL);
		2192	if (errno)
		2193	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	#endif
		2198
1245	MODULE = BDB PACKAGE = BDB::Db	2199	MODULE = BDB PACKAGE = BDB::Db
1246		2200
1247	void	2201	void
1248	DESTROY (DB_ornull *db)	2202	DESTROY (DB_ornuked *db)
1249	CODE:	2203	CODE:
1250	if (db)	2204	if (db)
1251	{	2205	{
1252	SV *env = (SV *)db->app_private;	2206	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	2207	db->close (db, 0);
…		…
1258	CODE:	2212	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2213	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	2214	OUTPUT:
1261	RETVAL	2215	RETVAL
1262		2216
1263	int set_flags (DB *db, U32 flags);	2217	int set_flags (DB *db, U32 flags)
1264	CODE:	2218	CODE:
1265	RETVAL = db->set_flags (db, flags);	2219	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	2220	OUTPUT:
1267	RETVAL	2221	RETVAL
1268		2222
…		…
1276	CODE:	2230	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	2231	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	2232	OUTPUT:
1279	RETVAL	2233	RETVAL
1280		2234
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	2235	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	2236	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	2237	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	2238	OUTPUT:
1286	RETVAL	2239	RETVAL
1287		2240
1288	int set_re_delim(DB *db, int delim);	2241	int set_re_delim (DB *db, int delim)
1289	CODE:	2242	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	2243	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	2244	OUTPUT:
1292	RETVAL	2245	RETVAL
1293		2246
…		…
1325	CODE:	2278	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	2279	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	2280	OUTPUT:
1328	RETVAL	2281	RETVAL
1329		2282
		2283	DBC *
		2284	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2285	CODE:
		2286	errno = db->cursor (db, txn, &RETVAL, flags);
		2287	if (errno)
		2288	croak ("DB->cursor: %s", db_strerror (errno));
		2289	OUTPUT:
		2290	RETVAL
		2291
		2292	#if DB_VERSION_MINOR >= 3
		2293
		2294	DB_SEQUENCE *
		2295	sequence (DB *db, U32 flags = 0)
		2296	CODE:
		2297	{
		2298	errno = db_sequence_create (&RETVAL, db, flags);
		2299	if (errno)
		2300	croak ("db_sequence_create: %s", db_strerror (errno));
		2301	}
		2302	OUTPUT:
		2303	RETVAL
		2304
		2305	#endif
		2306
		2307
1330	MODULE = BDB PACKAGE = BDB::Txn	2308	MODULE = BDB PACKAGE = BDB::Txn
1331		2309
1332	void	2310	void
1333	DESTROY (DB_TXN_ornull *txn)	2311	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2312	CODE:
1335	if (txn)	2313	if (txn)
1336	txn->abort (txn);	2314	txn->abort (txn);
1337		2315
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2316	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	2317	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2318	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2319	OUTPUT:
1342	RETVAL	2320	RETVAL
1343		2321
		2322	int failed (DB_TXN *txn)
		2323	CODE:
		2324	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2325	OUTPUT:
		2326	RETVAL
1344		2327
		2328
		2329	MODULE = BDB PACKAGE = BDB::Cursor
		2330
		2331	void
		2332	DESTROY (DBC_ornuked *dbc)
		2333	CODE:
		2334	if (dbc)
		2335	dbc->c_close (dbc);
		2336
		2337	#if DB_VERSION_MINOR >= 6
		2338
		2339	int set_priority (DBC *dbc, int priority)
		2340	CODE:
		2341	dbc->set_priority (dbc, priority);
		2342
		2343	#endif
		2344
		2345	#if DB_VERSION_MINOR >= 3
		2346
		2347	MODULE = BDB PACKAGE = BDB::Sequence
		2348
		2349	void
		2350	DESTROY (DB_SEQUENCE_ornuked *seq)
		2351	CODE:
		2352	if (seq)
		2353	seq->close (seq, 0);
		2354
		2355	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2356	CODE:
		2357	RETVAL = seq->initial_value (seq, value);
		2358	OUTPUT:
		2359	RETVAL
		2360
		2361	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2362	CODE:
		2363	RETVAL = seq->set_cachesize (seq, size);
		2364	OUTPUT:
		2365	RETVAL
		2366
		2367	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2368	CODE:
		2369	RETVAL = seq->set_flags (seq, flags);
		2370	OUTPUT:
		2371	RETVAL
		2372
		2373	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2374	CODE:
		2375	RETVAL = seq->set_range (seq, min, max);
		2376	OUTPUT:
		2377	RETVAL
		2378
		2379	#endif
		2380
		2381

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