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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 1.66 by root, Sun Jan 4 10:48:15 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	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	42
35	* on have atomic word read/writes.	43	typedef DB_ENV DB_ENV_ornull;
36	*/	44	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	45	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	46	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	47
40	# else	48	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
		54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	56	#endif
43	#endif
44		57
45	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef char *bdb_filename;
46	typedef char *octetstring;
47		59
48	static SV *prepare_cb;	60	static SV *prepare_cb;
49		61
		62	#if DB_VERSION_MINOR >= 6
		63	# define c_close close
		64	# define c_count count
		65	# define c_del del
		66	# define c_dup dup
		67	# define c_get get
		68	# define c_pget pget
		69	# define c_put put
		70	#endif
		71
50	static inline char *	72	static char *
		73	get_bdb_filename (SV *sv)
		74	{
		75	if (!SvOK (sv))
		76	return 0;
		77
		78	#if _WIN32
		79	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		80	{
		81	STRLEN len;
		82	char *src = SvPVbyte (sv, len);
		83	SV *t1 = sv_newmortal ();
		84	SV *t2 = sv_newmortal ();
		85
		86	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		87	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		88
		89	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		90	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		91	SvPOK_only (t2);
		92	SvPVX (t2)[len] = 0;
		93	SvCUR_set (t2, len);
		94
		95	return SvPVX (t2);
		96	}
		97	#else
		98	return SvPVbyte_nolen (sv);
		99	#endif
		100	}
		101
		102	static void
		103	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		104	{
		105	printf ("err[%s]\n", msg);
		106	}
		107
		108	static void
		109	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		110	{
		111	printf ("msg[%s]\n", msg);
		112	}
		113
		114	static char *
51	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
52	{	116	{
53	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
54	}	118	}
55		119
		120	static void
		121	sv_to_dbt (DBT *dbt, SV *sv)
		122	{
		123	STRLEN len;
		124	char *data = SvPVbyte (sv, len);
		125
		126	dbt->data = malloc (len);
		127	memcpy (dbt->data, data, len);
		128	dbt->size = len;
		129	dbt->flags = DB_DBT_REALLOC;
		130	}
		131
		132	static void
		133	dbt_to_sv (SV *sv, DBT *dbt)
		134	{
		135	if (sv)
		136	{
		137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
		140	sv_setpvn_mg (sv, dbt->data, dbt->size);
		141	else
		142	sv_setsv_mg (sv, &PL_sv_undef);
		143
		144	SvREFCNT_dec (sv);
		145	}
		146
		147	free (dbt->data);
		148	}
		149
56	enum {	150	enum {
57	REQ_QUIT,	151	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	REQ_ENV_LOG_ARCHIVE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	160	};
61		161
62	typedef struct aio_cb	162	typedef struct bdb_cb
63	{	163	{
64	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
65	SV *callback;	165	SV *callback;
66	int type, pri, result;	166	int type, pri, result;
67		167
68	DB_ENV *env;	168	DB_ENV *env;
69	DB *db;	169	DB *db;
70	DB_TXN *txn;	170	DB_TXN *txn;
71	DBC *cursor;	171	DBC *dbc;
		172
		173	UV uv1;
72	int int1, int2;	174	int int1, int2;
73	U32 uint1, uint2;	175	U32 uint1, uint2;
74	char *buf1, *buf2;	176	char *buf1, *buf2, *buf3;
		177	SV *sv1, *sv2, *sv3;
75		178
76	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
78		185
		186	SV *rsv1, *rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
79	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
80		190
81	enum {	191	enum {
82	PRI_MIN = -4,	192	PRI_MIN = -4,
83	PRI_MAX = 4,	193	PRI_MAX = 4,
84		194
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	198	};
89		199
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		201
		202	static SV *on_next_submit;
		203
92	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
94		206
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	208	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		213
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		215
104	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
105		217
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 */	218	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
117		220
118	typedef struct worker {	221	typedef struct worker {
119	/* locked by wrklock */	222	/* locked by wrklock */
120	struct worker *prev, *next;	223	struct worker *prev, *next;
121		224
122	pthread_t tid;	225	thread_t tid;
123		226
124	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
126	void *dbuf;	229	void *dbuf;
127	DIR *dirp;	230	DIR *dirp;
128	} worker;	231	} worker;
129		232
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	245	}
143		246
144	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		251
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
152		255
153	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
154		257
155	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
156	{	259	{
157	unsigned int retval;	260	unsigned int retval;
158		261
159	LOCK (reqlock);	262	X_LOCK (reqlock);
160	retval = nready;	263	retval = nready;
161	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
162		265
163	return retval;	266	return retval;
164	}	267	}
165		268
166	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
167	{	270	{
168	unsigned int retval;	271	unsigned int retval;
169		272
170	LOCK (reslock);	273	X_LOCK (reslock);
171	retval = npending;	274	retval = npending;
172	UNLOCK (reslock);	275	X_UNLOCK (reslock);
173		276
174	return retval;	277	return retval;
175	}	278	}
176		279
177	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
178	{	281	{
179	unsigned int retval;	282	unsigned int retval;
180		283
181	LOCK (wrklock);	284	X_LOCK (wrklock);
182	retval = started;	285	retval = started;
183	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
184		287
185	return retval;	288	return retval;
186	}	289	}
187		290
188	#else	291	#else
…		…
197	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
200	*/	303	*/
201	typedef struct {	304	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	306	int size;
204	} reqq;	307	} reqq;
205		308
206	static reqq req_queue;	309	static reqq req_queue;
207	static reqq res_queue;	310	static reqq res_queue;
208		311
209	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
210	{	313	{
211	int pri = req->pri;	314	int pri = req->pri;
212	req->next = 0;	315	req->next = 0;
213		316
214	if (q->qe[pri])	317	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
221		324
222	return q->size++;	325	return q->size++;
223	}	326	}
224		327
225	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
226	{	329	{
227	int pri;	330	int pri;
228		331
229	if (!q->size)	332	if (!q->size)
230	return 0;	333	return 0;
231		334
232	--q->size;	335	--q->size;
233		336
234	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
235	{	338	{
236	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
237		340
238	if (req)	341	if (req)
239	{	342	{
240	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
245	}	348	}
246		349
247	abort ();	350	abort ();
248	}	351	}
249		352
250	static int poll_cb ();	353	static int poll_cb (void);
251	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);
253		355
254	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
255	{	357	{
256	dSP;	358	switch (req->type)
257
258	if (SvOK (req->callback))
259	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	av = (AV *)newRV_noinc ((SV *)av);
		384
		385	SvREADONLY_off (req->sv1);
		386	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		387	SvREFCNT_dec (av);
		388	SvREFCNT_dec (req->sv1);
		389	}
		390	break;
		391
		392	#if DB_VERSION_MINOR >= 3
		393	case REQ_SEQ_GET:
		394	SvREADONLY_off (req->sv1);
		395
		396	if (sizeof (IV) > 4)
		397	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		398	else
		399	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		400
		401	SvREFCNT_dec (req->sv1);
		402	break;
		403	#endif
		404
		405	case REQ_ENV_LOG_ARCHIVE:
		406	{
		407	AV *av = newAV ();
		408	char **listp = (char **)req->buf1;
		409
		410	if (listp)
		411	while (*listp)
		412	av_push (av, newSVpv (*listp, 0)), ++listp;
		413
		414	av = (AV *)newRV_noinc ((SV *)av);
		415
		416	SvREADONLY_off (req->sv1);
		417	sv_setsv_mg (req->sv1, (SV *)av);
		418	SvREFCNT_dec (av);
		419	SvREFCNT_dec (req->sv1);
		420	}
		421	break;
		422	}
		423
		424	errno = req->result;
		425
		426	if (req->callback)
		427	{
		428	dSP;
		429
260	ENTER;	430	ENTER;
261	SAVETMPS;	431	SAVETMPS;
262	PUSHMARK (SP);	432	PUSHMARK (SP);
263	EXTEND (SP, 1);
264
265	switch (req->type)
266	{
267	}
268
269	errno = req->result;
270		433
271	PUTBACK;	434	PUTBACK;
272	call_sv (req->callback, G_VOID | G_EVAL);	435	call_sv (req->callback, G_VOID | G_EVAL);
273	SPAGAIN;	436	SPAGAIN;
274		437
275	FREETMPS;	438	FREETMPS;
276	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
277	}	442	}
278		443
279	return !SvTRUE (ERRSV);	444	return 1;
280	}	445	}
281		446
282	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
283	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
284	free (req->buf1);	454	free (req->buf1);
285	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
286	Safefree (req);	458	Safefree (req);
287	}	459	}
288		460
289	static void *aio_proc (void *arg);	461	#ifdef USE_SOCKETS_AS_HANDLES
		462	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		463	#else
		464	# define EV_SELECT_IS_WINSOCKET 1
		465	# define TO_SOCKET(x) (x)
		466	#endif
		467
		468	#ifdef _WIN32
		469	/* taken verbatim from libev's ev_win32.c */
		470	/* oh, the humanity! */
		471	static int
		472	ev_pipe (int filedes [2])
		473	{
		474	struct sockaddr_in addr = { 0 };
		475	int addr_size = sizeof (addr);
		476	struct sockaddr_in adr2;
		477	int adr2_size;
		478	SOCKET listener;
		479	SOCKET sock [2] = { -1, -1 };
		480
		481	if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		482	return -1;
		483
		484	addr.sin_family = AF_INET;
		485	addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
		486	addr.sin_port = 0;
		487
		488	if (bind (listener, (struct sockaddr *)&addr, addr_size))
		489	goto fail;
		490
		491	if (getsockname (listener, (struct sockaddr *)&addr, &addr_size))
		492	goto fail;
		493
		494	if (listen (listener, 1))
		495	goto fail;
		496
		497	if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		498	goto fail;
		499
		500	if (connect (sock [0], (struct sockaddr *)&addr, addr_size))
		501	goto fail;
		502
		503	if ((sock [1] = accept (listener, 0, 0)) < 0)
		504	goto fail;
		505
		506	/* windows vista returns fantasy port numbers for getpeername.
		507	* example for two interconnected tcp sockets:
		508	*
		509	* (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364
		510	* (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363
		511	* (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363
		512	* (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365
		513	*
		514	* wow! tridirectional sockets!
		515	*
		516	* this way of checking ports seems to work:
		517	*/
		518	if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size))
		519	goto fail;
		520
		521	if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size))
		522	goto fail;
		523
		524	errno = WSAEINVAL;
		525	if (addr_size != adr2_size
		526	|| addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */
		527	|| addr.sin_port != adr2.sin_port)
		528	goto fail;
		529
		530	closesocket (listener);
		531
		532	#if EV_SELECT_IS_WINSOCKET
		533	filedes [0] = _open_osfhandle (sock [0], 0);
		534	filedes [1] = _open_osfhandle (sock [1], 0);
		535	#else
		536	/* when select isn't winsocket, we also expect socket, connect, accept etc.
		537	* to work on fds */
		538	filedes [0] = sock [0];
		539	filedes [1] = sock [1];
		540	#endif
		541
		542	return 0;
		543
		544	fail:
		545	closesocket (listener);
		546
		547	if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
		548	if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
		549
		550	return -1;
		551	}
		552
		553	#define pipe(filedes) ev_pipe(filedes)
		554	#endif
		555
		556	static void
		557	create_respipe (void)
		558	{
		559	#ifdef _WIN32
		560	int arg; /* argg */
		561	#endif
		562	int old_readfd = respipe [0];
		563
		564	if (respipe [1] >= 0)
		565	respipe_close (TO_SOCKET (respipe [1]));
		566
		567	if (pipe (respipe))
		568	croak ("unable to initialize result pipe");
		569
		570	if (old_readfd >= 0)
		571	{
		572	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		573	croak ("unable to initialize result pipe(2)");
		574
		575	respipe_close (respipe [0]);
		576	respipe [0] = old_readfd;
		577	}
		578
		579	#ifdef _WIN32
		580	arg = 1;
		581	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		582	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		583	#else
		584	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		585	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		586	#endif
		587	croak ("unable to initialize result pipe(3)");
		588
		589	respipe_osf [0] = TO_SOCKET (respipe [0]);
		590	respipe_osf [1] = TO_SOCKET (respipe [1]);
		591	}
		592
		593	static void bdb_request (bdb_req req);
		594	X_THREAD_PROC (bdb_proc);
290		595
291	static void start_thread (void)	596	static void start_thread (void)
292	{	597	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	598	worker *wrk = calloc (1, sizeof (worker));
297		599
298	if (!wrk)	600	if (!wrk)
299	croak ("unable to allocate worker thread data");	601	croak ("unable to allocate worker thread data");
300		602
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);	603	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	604	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	605	{
314	wrk->prev = &wrk_first;	606	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	607	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	608	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	609	wrk_first.next = wrk;
318	++started;	610	++started;
319	}	611	}
320	else	612	else
321	free (wrk);	613	free (wrk);
322		614
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	615	X_UNLOCK (wrklock);
325	}	616	}
326		617
327	static void maybe_start_thread ()	618	static void maybe_start_thread (void)
328	{	619	{
329	if (get_nthreads () >= wanted)	620	if (get_nthreads () >= wanted)
330	return;	621	return;
331		622
332	/* todo: maybe use idle here, but might be less exact */	623	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	625	return;
335		626
336	start_thread ();	627	start_thread ();
337	}	628	}
338		629
339	static void req_send (aio_req req)	630	static void req_send (bdb_req req)
340	{	631	{
341	SV *wait_callback = 0;	632	SV *wait_callback = 0;
342		633
343	// synthesize callback if none given	634	if (on_next_submit)
344	if (!SvOK (req->callback))
345	{	635	{
346	dSP;	636	dSP;
		637	SV *cb = sv_2mortal (on_next_submit);
		638
		639	on_next_submit = 0;
		640
347	PUSHMARK (SP);	641	PUSHMARK (SP);
348	PUTBACK;	642	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	643	call_sv (cb, G_DISCARD | G_EVAL);
350	SPAGAIN;	644	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	}	645	}
359		646
		647	// synthesize callback if none given
		648	if (!req->callback)
		649	{
		650	if (SvOK (prepare_cb))
		651	{
		652	int count;
		653
		654	dSP;
		655	PUSHMARK (SP);
		656	PUTBACK;
		657	count = call_sv (prepare_cb, G_ARRAY);
		658	SPAGAIN;
		659
		660	if (count != 2)
		661	croak ("sync prepare callback must return exactly two values\n");
		662
		663	wait_callback = POPs;
		664	req->callback = SvREFCNT_inc (POPs);
		665	}
		666	else
		667	{
		668	// execute request synchronously
		669	bdb_request (req);
		670	req_invoke (req);
		671	req_free (req);
		672	return;
		673	}
		674	}
		675
360	++nreqs;	676	++nreqs;
361		677
362	LOCK (reqlock);	678	X_LOCK (reqlock);
363	++nready;	679	++nready;
364	reqq_push (&req_queue, req);	680	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	681	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	682	X_UNLOCK (reqlock);
367		683
368	maybe_start_thread ();	684	maybe_start_thread ();
369		685
370	if (wait_callback)	686	if (wait_callback)
371	{	687	{
372	dSP;	688	dSP;
373	PUSHMARK (SP);	689	PUSHMARK (SP);
374	PUTBACK;	690	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	691	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	692	}
378	}	693	}
379		694
380	static void end_thread (void)	695	static void end_thread (void)
381	{	696	{
382	aio_req req;	697	bdb_req req = calloc (1, sizeof (bdb_cb));
383
384	Newz (0, req, 1, aio_cb);
385		698
386	req->type = REQ_QUIT;	699	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	700	req->pri = PRI_MAX + PRI_BIAS;
388		701
389	LOCK (reqlock);	702	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	703	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	704	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	705	X_UNLOCK (reqlock);
393		706
394	LOCK (wrklock);	707	X_LOCK (wrklock);
395	--started;	708	--started;
396	UNLOCK (wrklock);	709	X_UNLOCK (wrklock);
397	}	710	}
398		711
399	static void set_max_idle (int nthreads)	712	static void set_max_idle (int nthreads)
400	{	713	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	714	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	715	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	716	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	717	}
405		718
406	static void min_parallel (int nthreads)	719	static void min_parallel (int nthreads)
407	{	720	{
408	if (wanted < nthreads)	721	if (wanted < nthreads)
…		…
416		729
417	while (started > wanted)	730	while (started > wanted)
418	end_thread ();	731	end_thread ();
419	}	732	}
420		733
421	static void poll_wait ()	734	static void poll_wait (void)
422	{	735	{
423	fd_set rfd;	736	fd_set rfd;
424		737
425	while (nreqs)	738	while (nreqs)
426	{	739	{
427	int size;	740	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	741	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	742	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	743	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		744
432	if (size)	745	if (size)
433	return;	746	return;
434		747
435	maybe_start_thread ();	748	maybe_start_thread ();
436		749
437	FD_ZERO(&rfd);	750	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	751	FD_SET (respipe [0], &rfd);
439		752
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	753	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	754	}
442	}	755	}
443		756
444	static int poll_cb ()	757	static int poll_cb (void)
445	{	758	{
446	dSP;	759	dSP;
447	int count = 0;	760	int count = 0;
448	int maxreqs = max_poll_reqs;	761	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	762	int do_croak = 0;
450	struct timeval tv_start, tv_now;	763	struct timeval tv_start, tv_now;
451	aio_req req;	764	bdb_req req;
452		765
453	if (max_poll_time)	766	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	767	gettimeofday (&tv_start, 0);
455		768
456	for (;;)	769	for (;;)
457	{	770	{
458	for (;;)	771	for (;;)
459	{	772	{
460	maybe_start_thread ();	773	maybe_start_thread ();
461		774
462	LOCK (reslock);	775	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	776	req = reqq_shift (&res_queue);
464		777
465	if (req)	778	if (req)
466	{	779	{
467	--npending;	780	--npending;
468		781
469	if (!res_queue.size)	782	if (!res_queue.size)
470	{	783	{
471	/* read any signals sent by the worker threads */	784	/* read any signals sent by the worker threads */
472	char buf [4];	785	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	786	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	787	;
475	}	788	}
476	}	789	}
477		790
478	UNLOCK (reslock);	791	X_UNLOCK (reslock);
479		792
480	if (!req)	793	if (!req)
481	break;	794	break;
482		795
483	--nreqs;	796	--nreqs;
…		…
513	}	826	}
514		827
515	return count;	828	return count;
516	}	829	}
517		830
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	/*****************************************************************************/	831	/*****************************************************************************/
531		832
532	static void *aio_proc (void *thr_arg)	833	static void
		834	bdb_request (bdb_req req)
533	{	835	{
		836	switch (req->type)
		837	{
		838	case REQ_ENV_OPEN:
		839	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		840	break;
		841
		842	case REQ_ENV_CLOSE:
		843	req->result = req->env->close (req->env, req->uint1);
		844	break;
		845
		846	case REQ_ENV_TXN_CHECKPOINT:
		847	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		848	break;
		849
		850	case REQ_ENV_LOCK_DETECT:
		851	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		852	break;
		853
		854	case REQ_ENV_MEMP_SYNC:
		855	req->result = req->env->memp_sync (req->env, 0);
		856	break;
		857
		858	case REQ_ENV_MEMP_TRICKLE:
		859	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		860	break;
		861
		862	case REQ_ENV_DBREMOVE:
		863	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		864	break;
		865
		866	case REQ_ENV_DBRENAME:
		867	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		868	break;
		869
		870	case REQ_DB_OPEN:
		871	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		872	break;
		873
		874	case REQ_DB_CLOSE:
		875	req->result = req->db->close (req->db, req->uint1);
		876	break;
		877
		878	#if DB_VERSION_MINOR >= 4
		879	case REQ_DB_COMPACT:
		880	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);
		881	break;
		882	#endif
		883
		884	case REQ_DB_SYNC:
		885	req->result = req->db->sync (req->db, req->uint1);
		886	break;
		887
		888	case REQ_DB_UPGRADE:
		889	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		890	break;
		891
		892	case REQ_DB_PUT:
		893	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		894	break;
		895
		896	#if DB_VERSION_MINOR >= 6
		897	case REQ_DB_EXISTS:
		898	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		899	break;
		900	#endif
		901	case REQ_DB_GET:
		902	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		903	break;
		904
		905	case REQ_DB_PGET:
		906	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		907	break;
		908
		909	case REQ_DB_DEL:
		910	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		911	break;
		912
		913	case REQ_DB_KEY_RANGE:
		914	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		915	break;
		916
		917	case REQ_TXN_COMMIT:
		918	req->result = req->txn->commit (req->txn, req->uint1);
		919	break;
		920
		921	case REQ_TXN_ABORT:
		922	req->result = req->txn->abort (req->txn);
		923	break;
		924
		925	case REQ_TXN_FINISH:
		926	if (req->txn->flags & TXN_DEADLOCK)
		927	{
		928	req->result = req->txn->abort (req->txn);
		929	if (!req->result)
		930	req->result = DB_LOCK_DEADLOCK;
		931	}
		932	else
		933	req->result = req->txn->commit (req->txn, req->uint1);
		934	break;
		935
		936	case REQ_C_CLOSE:
		937	req->result = req->dbc->c_close (req->dbc);
		938	break;
		939
		940	case REQ_C_COUNT:
		941	{
		942	db_recno_t recno;
		943	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		944	req->uv1 = recno;
		945	}
		946	break;
		947
		948	case REQ_C_PUT:
		949	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		950	break;
		951
		952	case REQ_C_GET:
		953	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		954	break;
		955
		956	case REQ_C_PGET:
		957	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		958	break;
		959
		960	case REQ_C_DEL:
		961	req->result = req->dbc->c_del (req->dbc, req->uint1);
		962	break;
		963
		964	#if DB_VERSION_MINOR >= 3
		965	case REQ_SEQ_OPEN:
		966	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		967	break;
		968
		969	case REQ_SEQ_CLOSE:
		970	req->result = req->seq->close (req->seq, req->uint1);
		971	break;
		972
		973	case REQ_SEQ_GET:
		974	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		975	break;
		976
		977	case REQ_SEQ_REMOVE:
		978	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		979	break;
		980	#endif
		981
		982	case REQ_ENV_LOG_ARCHIVE:
		983	{
		984	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		985	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		986	req->buf1 = (char *)listp;
		987	}
		988	break;
		989
		990	default:
		991	req->result = ENOSYS;
		992	break;
		993	}
		994
		995	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		996	req->txn->flags |= TXN_DEADLOCK;
		997	}
		998
		999	X_THREAD_PROC (bdb_proc)
		1000	{
534	aio_req req;	1001	bdb_req req;
535	struct timespec ts;	1002	struct timespec ts;
536	worker *self = (worker *)thr_arg;	1003	worker *self = (worker *)thr_arg;
537		1004
538	/* try to distribute timeouts somewhat evenly */	1005	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1006	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		1007
542	for (;;)	1008	for (;;)
543	{	1009	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1010	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		1011
546	LOCK (reqlock);	1012	X_LOCK (reqlock);
547		1013
548	for (;;)	1014	for (;;)
549	{	1015	{
550	self->req = req = reqq_shift (&req_queue);	1016	self->req = req = reqq_shift (&req_queue);
551		1017
552	if (req)	1018	if (req)
553	break;	1019	break;
554		1020
555	++idle;	1021	++idle;
556		1022
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	1023	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	1024	== ETIMEDOUT)
559	{	1025	{
560	if (idle > max_idle)	1026	if (idle > max_idle)
561	{	1027	{
562	--idle;	1028	--idle;
563	UNLOCK (reqlock);	1029	X_UNLOCK (reqlock);
564	LOCK (wrklock);	1030	X_LOCK (wrklock);
565	--started;	1031	--started;
566	UNLOCK (wrklock);	1032	X_UNLOCK (wrklock);
567	goto quit;	1033	goto quit;
568	}	1034	}
569		1035
570	/* we are allowed to idle, so do so without any timeout */	1036	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	1037	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1038	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	1039	}
574		1040
575	--idle;	1041	--idle;
576	}	1042	}
577		1043
578	--nready;	1044	--nready;
579		1045
580	UNLOCK (reqlock);	1046	X_UNLOCK (reqlock);
581		1047
582	switch (req->type)	1048	if (req->type == REQ_QUIT)
583	{	1049	{
584	case REQ_QUIT:	1050	X_LOCK (reslock);
		1051	free (req);
		1052	self->req = 0;
		1053	X_UNLOCK (reslock);
		1054
585	goto quit;	1055	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	}	1056	}
619		1057
		1058	bdb_request (req);
		1059
620	LOCK (reslock);	1060	X_LOCK (reslock);
621		1061
622	++npending;	1062	++npending;
623		1063
624	if (!reqq_push (&res_queue, req))	1064	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	1065	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	1066	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		1067
628	self->req = 0;	1068	self->req = 0;
629	worker_clear (self);	1069	worker_clear (self);
630		1070
631	UNLOCK (reslock);	1071	X_UNLOCK (reslock);
632	}	1072	}
633		1073
634	quit:	1074	quit:
635	LOCK (wrklock);	1075	X_LOCK (wrklock);
636	worker_free (self);	1076	worker_free (self);
637	UNLOCK (wrklock);	1077	X_UNLOCK (wrklock);
638		1078
639	return 0;	1079	return 0;
640	}	1080	}
641		1081
642	/*****************************************************************************/	1082	/*****************************************************************************/
643		1083
644	static void atfork_prepare (void)	1084	static void atfork_prepare (void)
645	{	1085	{
646	LOCK (wrklock);	1086	X_LOCK (wrklock);
647	LOCK (reqlock);	1087	X_LOCK (reqlock);
648	LOCK (reslock);	1088	X_LOCK (reslock);
649	}	1089	}
650		1090
651	static void atfork_parent (void)	1091	static void atfork_parent (void)
652	{	1092	{
653	UNLOCK (reslock);	1093	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	1094	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	1095	X_UNLOCK (wrklock);
656	}	1096	}
657		1097
658	static void atfork_child (void)	1098	static void atfork_child (void)
659	{	1099	{
660	aio_req prv;	1100	bdb_req prv;
661		1101
662	while (prv = reqq_shift (&req_queue))	1102	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	1103	req_free (prv);
664		1104
665	while (prv = reqq_shift (&res_queue))	1105	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	1120	idle = 0;
681	nreqs = 0;	1121	nreqs = 0;
682	nready = 0;	1122	nready = 0;
683	npending = 0;	1123	npending = 0;
684		1124
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	1125	create_respipe ();
688		1126
689	atfork_parent ();	1127	atfork_parent ();
690	}	1128	}
691		1129
692	#define dREQ(reqtype) \	1130	#define dREQ(reqtype,rsvcnt) \
693	aio_req req; \	1131	bdb_req req; \
694	int req_pri = next_pri; \	1132	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	1133	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	1134	\
697	if (SvOK (callback) && !SvROK (callback)) \	1135	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	1136	croak ("callback has illegal type or extra arguments"); \
699	\	1137	\
700	Newz (0, req, 1, aio_cb); \	1138	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	1139	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	1140	croak ("out of memory during bdb_req allocation"); \
703	\	1141	\
704	req->callback = newSVsv (callback); \	1142	req->callback = SvREFCNT_inc (cb); \
705	req->type = (reqtype); \	1143	req->type = (reqtype); \
706	req->pri = req_pri	1144	req->pri = req_pri; \
		1145	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1146	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1147	(void)0;
707		1148
708	#define REQ_SEND \	1149	#define REQ_SEND \
709	req_send (req)	1150	req_send (req)
710		1151
711	#define SvPTR(var, arg, type, class) \	1152	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1153	if (!SvOK (arg)) \
		1154	{ \
		1155	if (nullok != 1) \
		1156	croak (# var " must be a " # class " object, not undef"); \
		1157	\
713	(var) = 0; \	1158	(var) = 0; \
		1159	} \
714	else if (sv_derived_from ((arg), # class)) \	1160	else if (sv_derived_from ((arg), # class)) \
715	{ \	1161	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1162	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1163	(var) = INT2PTR (type, tmp); \
		1164	if (!var && nullok != 2) \
		1165	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1166	} \
719	else \	1167	else \
720	Perl_croak (# var " is not of type " # class)	1168	croak (# var " is not of type " # class);
721		1169
722	inline void	1170	#define ARG_MUTABLE(name) \
723	set_dbt (DBT *dbt, SV *sv)	1171	if (SvREADONLY (name)) \
724	{	1172	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		1173
728	dbt->data = malloc (len);	1174	static void
729	memcpy (dbt->data, data, len);	1175	ptr_nuke (SV *sv)
730	dbt->size = len;	1176	{
		1177	assert (SvROK (sv));
		1178	sv_setiv (SvRV (sv), 0);
731	}	1179	}
732		1180
		1181	static int
		1182	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1183	{
		1184	if (*mg->mg_ptr == '!') // should always be the case
		1185	if (-30999 <= errno && errno <= -30800)
		1186	{
		1187	sv_setnv (sv, (NV)errno);
		1188	sv_setpv (sv, db_strerror (errno));
		1189	SvNOK_on (sv); /* what a wonderful hack! */
		1190	// ^^^ copied from perl sources
		1191	return 0;
		1192	}
		1193
		1194	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1195	}
		1196
		1197	static MGVTBL vtbl_errno;
		1198
		1199	// this wonderful hack :( patches perl's $! variable to support our errno values
		1200	static void
		1201	patch_errno (void)
		1202	{
		1203	SV *sv;
		1204	MAGIC *mg;
		1205
		1206	if (!(sv = get_sv ("!", 1)))
		1207	return;
		1208
		1209	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1210	return;
		1211
		1212	if (mg->mg_virtual != &PL_vtbl_sv)
		1213	return;
		1214
		1215	vtbl_errno = PL_vtbl_sv;
		1216	vtbl_errno.svt_get = errno_get;
		1217	mg->mg_virtual = &vtbl_errno;
		1218	}
		1219
		1220	#if __GNUC__ >= 4
		1221	# define noinline __attribute__ ((noinline))
		1222	#else
		1223	# define noinline
		1224	#endif
		1225
		1226	static noinline SV *
		1227	pop_callback (I32 *ritems, SV *sv)
		1228	{
		1229	if (SvROK (sv))
		1230	{
		1231	HV *st;
		1232	GV *gvp;
		1233	CV *cv;
		1234	const char *name;
		1235
		1236	/* forgive me */
		1237	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1238	&& (st = SvSTASH (SvRV (sv)))
		1239	&& (name = HvNAME_get (st))
		1240	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1241	return 0;
		1242
		1243	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1244	{
		1245	--*ritems;
		1246	return (SV *)cv;
		1247	}
		1248	}
		1249
		1250	return 0;
		1251	}
		1252
		1253	/*****************************************************************************/
		1254
		1255	#if 0
		1256	static int
		1257	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1258	{
		1259	ssize_t size1 = dbt1->size;
		1260	ssize_t size2 = dbt2->size;
		1261	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1262	size1 <= size2 ? size1 : size2);
		1263
		1264	if (res)
		1265	return res;
		1266	else if (size1 - size2)
		1267	return size1 - size2;
		1268	else
		1269	return 0;
		1270	}
		1271
		1272	static size_t
		1273	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1274	{
		1275	ssize_t size1 = dbt1->size;
		1276	ssize_t size2 = dbt2->size;
		1277	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1278	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1279	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1280
		1281	while (p1 < pe)
		1282	if (*p1++ != *p2++)
		1283	return p1 - (u_int8_t *)dbt1->data - 1;
		1284
		1285	if (size1 < size2) return size1 + 1;
		1286	if (size1 > size2) return size2 + 1;
		1287
		1288	return size1;
		1289	}
		1290	#endif
		1291
		1292	/*****************************************************************************/
		1293
		1294	/* stupid windows defines CALLBACK as well */
		1295	#undef CALLBACK
		1296	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1297
733	MODULE = BDB PACKAGE = BDB	1298	MODULE = BDB PACKAGE = BDB
734		1299
735	PROTOTYPES: ENABLE	1300	PROTOTYPES: ENABLE
736		1301
737	BOOT:	1302	BOOT:
…		…
752	const_iv (INIT_TXN)	1317	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1318	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1319	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1320	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1321	const_iv (CREATE)
		1322	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1323	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1324	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1325	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1326	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1327	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1328	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1329	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1330	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)	1331	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1332	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1333	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1334	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1335	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1336	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1337	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1338	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1339	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1340	const_iv (TXN_WRITE_NOSYNC)
		1341	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1342	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1343	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1344	const_iv (XA_CREATE)
785	const_iv (BTREE)	1345	const_iv (BTREE)
786	const_iv (HASH)	1346	const_iv (HASH)
787	const_iv (QUEUE)	1347	const_iv (QUEUE)
788	const_iv (RECNO)	1348	const_iv (RECNO)
789	const_iv (UNKNOWN)	1349	const_iv (UNKNOWN)
790	const_iv (EXCL)	1350	const_iv (EXCL)
791	const_iv (READ_COMMITTED)
792	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1351	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1352	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1353	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1354	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1355	const_iv (DUP)
799	const_iv (DUPSORT)	1356	const_iv (DUPSORT)
800	const_iv (RECNUM)	1357	//const_iv (RECNUM)
801	const_iv (RENUMBER)	1358	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1359	const_iv (REVSPLITOFF)
803	const_iv (INORDER)
804	const_iv (CONSUME)	1360	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1361	const_iv (CONSUME_WAIT)
		1362	const_iv (GET_BOTH)
		1363	const_iv (GET_BOTH_RANGE)
		1364	//const_iv (SET_RECNO)
		1365	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1366	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1367	const_iv (JOIN_ITEM)
		1368	const_iv (JOIN_NOSORT)
808	const_iv (RMW)	1369	const_iv (RMW)
809		1370
810	const_iv (NOTFOUND)	1371	const_iv (NOTFOUND)
811	const_iv (KEYEMPTY)	1372	const_iv (KEYEMPTY)
812	const_iv (LOCK_DEADLOCK)	1373	const_iv (LOCK_DEADLOCK)
813	const_iv (LOCK_NOTGRANTED)	1374	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1375	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1376	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1377	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1378	const_iv (SECONDARY_BAD)
818
819	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)
821		1379
822	const_iv (APPEND)	1380	const_iv (APPEND)
823	const_iv (NODUPDATA)	1381	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1382	const_iv (NOOVERWRITE)
825		1383
826	const_iv (TXN_NOWAIT)	1384	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1385	const_iv (TXN_SYNC)
829		1386
830	const_iv (SET_LOCK_TIMEOUT)	1387	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1388	const_iv (SET_TXN_TIMEOUT)
		1389
		1390	const_iv (FIRST)
		1391	const_iv (NEXT)
		1392	const_iv (NEXT_DUP)
		1393	const_iv (NEXT_NODUP)
		1394	const_iv (PREV)
		1395	const_iv (PREV_NODUP)
		1396	const_iv (SET)
		1397	const_iv (SET_RANGE)
		1398	const_iv (LAST)
		1399	const_iv (BEFORE)
		1400	const_iv (AFTER)
		1401	const_iv (CURRENT)
		1402	const_iv (KEYFIRST)
		1403	const_iv (KEYLAST)
		1404	const_iv (NODUPDATA)
		1405
		1406	const_iv (FORCE)
		1407
		1408	const_iv (LOCK_DEFAULT)
		1409	const_iv (LOCK_EXPIRE)
		1410	const_iv (LOCK_MAXLOCKS)
		1411	const_iv (LOCK_MINLOCKS)
		1412	const_iv (LOCK_MINWRITE)
		1413	const_iv (LOCK_OLDEST)
		1414	const_iv (LOCK_RANDOM)
		1415	const_iv (LOCK_YOUNGEST)
		1416
		1417	const_iv (DONOTINDEX)
		1418	const_iv (KEYEMPTY )
		1419	const_iv (KEYEXIST )
		1420	const_iv (LOCK_DEADLOCK)
		1421	const_iv (LOCK_NOTGRANTED)
		1422	const_iv (NOSERVER)
		1423	const_iv (NOSERVER_HOME)
		1424	const_iv (NOSERVER_ID)
		1425	const_iv (NOTFOUND)
		1426	const_iv (PAGE_NOTFOUND)
		1427	const_iv (REP_DUPMASTER)
		1428	const_iv (REP_HANDLE_DEAD)
		1429	const_iv (REP_HOLDELECTION)
		1430	const_iv (REP_ISPERM)
		1431	const_iv (REP_NEWMASTER)
		1432	const_iv (REP_NEWSITE)
		1433	const_iv (REP_NOTPERM)
		1434	const_iv (REP_UNAVAIL)
		1435	const_iv (RUNRECOVERY)
		1436	const_iv (SECONDARY_BAD)
		1437	const_iv (VERIFY_BAD)
		1438
		1439	const_iv (ARCH_ABS)
		1440	const_iv (ARCH_DATA)
		1441	const_iv (ARCH_LOG)
		1442	const_iv (ARCH_REMOVE)
		1443
		1444	const_iv (VERB_DEADLOCK)
		1445	const_iv (VERB_RECOVERY)
		1446	const_iv (VERB_REPLICATION)
		1447	const_iv (VERB_WAITSFOR)
		1448
		1449	const_iv (VERSION_MAJOR)
		1450	const_iv (VERSION_MINOR)
		1451	const_iv (VERSION_PATCH)
		1452	#if DB_VERSION_MINOR >= 3
		1453	const_iv (INORDER)
		1454	const_iv (LOCK_MAXWRITE)
		1455	const_iv (SEQ_DEC)
		1456	const_iv (SEQ_INC)
		1457	const_iv (SEQ_WRAP)
		1458	const_iv (BUFFER_SMALL)
		1459	const_iv (LOG_BUFFER_FULL)
		1460	const_iv (VERSION_MISMATCH)
		1461	#endif
		1462	#if DB_VERSION_MINOR >= 4
		1463	const_iv (REGISTER)
		1464	const_iv (DSYNC_DB)
		1465	const_iv (READ_COMMITTED)
		1466	const_iv (READ_UNCOMMITTED)
		1467	const_iv (REP_IGNORE)
		1468	const_iv (REP_LOCKOUT)
		1469	const_iv (REP_JOIN_FAILURE)
		1470	const_iv (FREE_SPACE)
		1471	const_iv (FREELIST_ONLY)
		1472	const_iv (VERB_REGISTER)
		1473	#endif
		1474	#if DB_VERSION_MINOR >= 5
		1475	const_iv (MULTIVERSION)
		1476	const_iv (TXN_SNAPSHOT)
		1477	#endif
		1478	#if DB_VERSION_MINOR >= 6
		1479	const_iv (PREV_DUP)
		1480	const_iv (PRIORITY_UNCHANGED)
		1481	const_iv (PRIORITY_VERY_LOW)
		1482	const_iv (PRIORITY_LOW)
		1483	const_iv (PRIORITY_DEFAULT)
		1484	const_iv (PRIORITY_HIGH)
		1485	const_iv (PRIORITY_VERY_HIGH)
		1486	const_iv (IGNORE_LEASE)
		1487	#endif
		1488	#if DB_VERSION_MINOR >= 7
		1489	//const_iv (MULTIPLE_KEY)
		1490	const_iv (LOG_DIRECT)
		1491	const_iv (LOG_DSYNC)
		1492	const_iv (LOG_AUTO_REMOVE)
		1493	const_iv (LOG_IN_MEMORY)
		1494	const_iv (LOG_ZERO)
		1495	#else
		1496	const_iv (DIRECT_LOG)
		1497	const_iv (LOG_AUTOREMOVE)
		1498	# if DB_VERSION_MINOR >= 3
		1499	const_iv (DSYNC_LOG)
		1500	const_iv (LOG_INMEMORY)
		1501	# endif
		1502	#endif
832	};	1503	};
833		1504
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1505	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1506	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1507
837	create_pipe ();	1508	prepare_cb = &PL_sv_undef;
		1509
		1510	{
		1511	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1512	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1513
		1514	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1515	}
		1516
		1517	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1518
		1519	create_respipe ();
		1520
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1521	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1522	patch_errno ();
839	}	1523	}
840		1524
841	void	1525	void
842	max_poll_reqs (int nreqs)	1526	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1527	PROTOTYPE: $
…		…
962		1646
963	int	1647	int
964	nthreads ()	1648	nthreads ()
965	PROTOTYPE:	1649	PROTOTYPE:
966	CODE:	1650	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1651	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1652	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1653	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1654	OUTPUT:
971	RETVAL	1655	RETVAL
972		1656
973	void	1657	SV *
974	set_sync_prepare (SV *cb)	1658	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1659	PROTOTYPE: &
976	CODE:	1660	CODE:
977	SvREFCNT_dec (prepare_cb);	1661	RETVAL = prepare_cb;
978	prepare_cb = newSVsv (cb);	1662	prepare_cb = newSVsv (cb);
		1663	OUTPUT:
		1664	RETVAL
		1665
		1666	char *
		1667	strerror (int errorno = errno)
		1668	PROTOTYPE: ;$
		1669	CODE:
		1670	RETVAL = db_strerror (errorno);
		1671	OUTPUT:
		1672	RETVAL
		1673
		1674	void _on_next_submit (SV *cb)
		1675	CODE:
		1676	SvREFCNT_dec (on_next_submit);
		1677	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
979		1678
980	DB_ENV *	1679	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1680	db_env_create (U32 env_flags = 0)
982	CODE:	1681	CODE:
983	{	1682	{
984	errno = db_env_create (&RETVAL, env_flags);	1683	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1684	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1685	croak ("db_env_create: %s", db_strerror (errno));
		1686
		1687	if (0)
		1688	{
		1689	RETVAL->set_errcall (RETVAL, debug_errcall);
		1690	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1691	}
987	}	1692	}
988	OUTPUT:	1693	OUTPUT:
989	RETVAL	1694	RETVAL
990		1695
991	void	1696	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1697	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1698	PREINIT:
		1699	CALLBACK
993	CODE:	1700	CODE:
994	{	1701	{
995	dREQ (REQ_ENV_OPEN);	1702	dREQ (REQ_ENV_OPEN, 1);
996	req->env = env;	1703	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1704	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1705	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1706	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1707	REQ_SEND;
1001	}	1708	}
1002		1709
1003	void	1710	void
1004	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1711	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1712	PREINIT:
		1713	CALLBACK
1005	CODE:	1714	CODE:
1006	{	1715	{
1007	dREQ (REQ_ENV_CLOSE);	1716	dREQ (REQ_ENV_CLOSE, 0);
		1717	ptr_nuke (ST (0));
1008	req->env = env;	1718	req->env = env;
1009	req->uint1 = flags;	1719	req->uint1 = flags;
1010	REQ_SEND;	1720	REQ_SEND;
1011	}	1721	}
1012		1722
		1723	void
		1724	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1725	PREINIT:
		1726	CALLBACK
		1727	CODE:
		1728	{
		1729	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1730	req->env = env;
		1731	req->uint1 = kbyte;
		1732	req->int1 = min;
		1733	req->uint2 = flags;
		1734	REQ_SEND;
		1735	}
		1736
		1737	void
		1738	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1739	PREINIT:
		1740	CALLBACK
		1741	CODE:
		1742	{
		1743	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1744	req->env = env;
		1745	req->uint1 = flags;
		1746	req->uint2 = atype;
		1747	/* req->int2 = 0; dummy */
		1748	REQ_SEND;
		1749	}
		1750
		1751	void
		1752	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1753	PREINIT:
		1754	CALLBACK
		1755	CODE:
		1756	{
		1757	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1758	req->env = env;
		1759	REQ_SEND;
		1760	}
		1761
		1762	void
		1763	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1764	PREINIT:
		1765	CALLBACK
		1766	CODE:
		1767	{
		1768	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1769	req->env = env;
		1770	req->int1 = percent;
		1771	REQ_SEND;
		1772	}
		1773
		1774	void
		1775	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1776	PREINIT:
		1777	CALLBACK
		1778	CODE:
		1779	{
		1780	dREQ (REQ_ENV_DBREMOVE, 2);
		1781	req->env = env;
		1782	req->buf1 = strdup_ornull (file);
		1783	req->buf2 = strdup_ornull (database);
		1784	req->uint1 = flags;
		1785	REQ_SEND;
		1786	}
		1787
		1788	void
		1789	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)
		1790	PREINIT:
		1791	CALLBACK
		1792	CODE:
		1793	{
		1794	dREQ (REQ_ENV_DBRENAME, 2);
		1795	req->env = env;
		1796	req->buf1 = strdup_ornull (file);
		1797	req->buf2 = strdup_ornull (database);
		1798	req->buf3 = strdup_ornull (newname);
		1799	req->uint1 = flags;
		1800	REQ_SEND;
		1801	}
		1802
		1803	void
		1804	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1805	PREINIT:
		1806	CALLBACK
		1807	CODE:
		1808	{
		1809	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1810	req->sv1 = SvREFCNT_inc (listp);
		1811	req->env = env;
		1812	req->uint1 = flags;
		1813	REQ_SEND;
		1814	}
		1815
1013	DB *	1816	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1817	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1818	CODE:
1016	{	1819	{
1017	errno = db_create (&RETVAL, env, flags);	1820	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1821	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1822	croak ("db_create: %s", db_strerror (errno));
		1823
		1824	if (RETVAL)
		1825	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1826	}
1021	OUTPUT:	1827	OUTPUT:
1022	RETVAL	1828	RETVAL
1023		1829
1024	void	1830	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1831	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1832	PREINIT:
		1833	CALLBACK
1026	CODE:	1834	CODE:
1027	{	1835	{
1028	dREQ (REQ_DB_OPEN);	1836	dREQ (REQ_DB_OPEN, 2);
1029	req->db = db;	1837	req->db = db;
1030	req->txn = txnid;	1838	req->txn = txnid;
1031	req->buf1 = strdup_ornull (file);	1839	req->buf1 = strdup_ornull (file);
1032	req->buf2 = strdup_ornull (database);	1840	req->buf2 = strdup_ornull (database);
1033	req->int1 = type;	1841	req->int1 = type;
…		…
1035	req->int2 = mode;	1843	req->int2 = mode;
1036	REQ_SEND;	1844	REQ_SEND;
1037	}	1845	}
1038		1846
1039	void	1847	void
1040	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1848	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1849	PREINIT:
		1850	CALLBACK
1041	CODE:	1851	CODE:
1042	{	1852	{
1043	dREQ (REQ_DB_CLOSE);	1853	dREQ (REQ_DB_CLOSE, 0);
		1854	ptr_nuke (ST (0));
1044	req->db = db;	1855	req->db = db;
1045	req->uint1 = flags;	1856	req->uint1 = flags;
		1857	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1858	REQ_SEND;
1047	}	1859	}
1048		1860
		1861	#if DB_VERSION_MINOR >= 4
		1862
1049	void	1863	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)	1864	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)
		1865	PREINIT:
		1866	CALLBACK
1051	CODE:	1867	CODE:
1052	{	1868	{
1053	dREQ (REQ_DB_COMPACT);	1869	dREQ (REQ_DB_COMPACT, 2);
1054	req->db = db;	1870	req->db = db;
1055	req->txn = txn;	1871	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1872	if (start) sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1873	if (stop ) sv_to_dbt (&req->dbt2, stop );
1058	req->uint1 = flags;	1874	req->uint1 = flags;
1059	REQ_SEND;	1875	REQ_SEND;
1060	}	1876	}
1061		1877
		1878	#endif
		1879
1062	void	1880	void
1063	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1881	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1882	PREINIT:
		1883	CALLBACK
1064	CODE:	1884	CODE:
1065	{	1885	{
1066	dREQ (REQ_DB_SYNC);	1886	dREQ (REQ_DB_SYNC, 1);
1067	req->db = db;	1887	req->db = db;
1068	req->uint1 = flags;	1888	req->uint1 = flags;
1069	REQ_SEND;	1889	REQ_SEND;
1070	}	1890	}
1071		1891
1072	void	1892	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1893	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1894	PREINIT:
		1895	CALLBACK
1074	CODE:	1896	CODE:
1075	{	1897	{
1076	dREQ (REQ_DB_PUT);	1898	dREQ (REQ_DB_SYNC, 1);
1077	req->db = db;	1899	req->db = db;
1078	req->txn = 0;	1900	req->buf1 = strdup (file);
1079	set_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1901	req->uint1 = flags;
1082	REQ_SEND;	1902	REQ_SEND;
1083	}	1903	}
1084		1904
		1905	void
		1906	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
		1909	CODE:
		1910	{
		1911	dREQ (REQ_DB_KEY_RANGE, 2);
		1912	req->db = db;
		1913	req->txn = txn;
		1914	sv_to_dbt (&req->dbt1, key);
		1915	req->uint1 = flags;
		1916	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1917	REQ_SEND;
		1918	}
		1919
		1920	void
		1921	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1922	PREINIT:
		1923	CALLBACK
		1924	CODE:
		1925	{
		1926	dREQ (REQ_DB_PUT, 2);
		1927	req->db = db;
		1928	req->txn = txn;
		1929	sv_to_dbt (&req->dbt1, key);
		1930	sv_to_dbt (&req->dbt2, data);
		1931	req->uint1 = flags;
		1932	REQ_SEND;
		1933	}
		1934
		1935	#if DB_VERSION_MINOR >= 6
		1936
		1937	void
		1938	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1939	PREINIT:
		1940	CALLBACK
		1941	CODE:
		1942	{
		1943	dREQ (REQ_DB_EXISTS, 2);
		1944	req->db = db;
		1945	req->txn = txn;
		1946	req->uint1 = flags;
		1947	sv_to_dbt (&req->dbt1, key);
		1948	REQ_SEND;
		1949	}
		1950
		1951	#endif
		1952
		1953	void
		1954	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1955	PREINIT:
		1956	CALLBACK
		1957	CODE:
		1958	{
		1959	//TODO: key is somtimesmutable
		1960	dREQ (REQ_DB_GET, 2);
		1961	req->db = db;
		1962	req->txn = txn;
		1963	req->uint1 = flags;
		1964	sv_to_dbt (&req->dbt1, key);
		1965	req->dbt3.flags = DB_DBT_MALLOC;
		1966	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1967	REQ_SEND;
		1968	}
		1969
		1970	void
		1971	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1972	PREINIT:
		1973	CALLBACK
		1974	CODE:
		1975	{
		1976	//TODO: key is somtimesmutable
		1977	dREQ (REQ_DB_PGET, 2);
		1978	req->db = db;
		1979	req->txn = txn;
		1980	req->uint1 = flags;
		1981
		1982	sv_to_dbt (&req->dbt1, key);
		1983
		1984	req->dbt2.flags = DB_DBT_MALLOC;
		1985	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1986
		1987	req->dbt3.flags = DB_DBT_MALLOC;
		1988	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1989	REQ_SEND;
		1990	}
		1991
		1992	void
		1993	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
		1996	CODE:
		1997	{
		1998	dREQ (REQ_DB_DEL, 2);
		1999	req->db = db;
		2000	req->txn = txn;
		2001	req->uint1 = flags;
		2002	sv_to_dbt (&req->dbt1, key);
		2003	REQ_SEND;
		2004	}
		2005
		2006	void
		2007	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		2008	PREINIT:
		2009	CALLBACK
		2010	CODE:
		2011	{
		2012	dREQ (REQ_TXN_COMMIT, 0);
		2013	ptr_nuke (ST (0));
		2014	req->txn = txn;
		2015	req->uint1 = flags;
		2016	REQ_SEND;
		2017	}
		2018
		2019	void
		2020	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		2021	PREINIT:
		2022	CALLBACK
		2023	CODE:
		2024	{
		2025	dREQ (REQ_TXN_ABORT, 0);
		2026	ptr_nuke (ST (0));
		2027	req->txn = txn;
		2028	REQ_SEND;
		2029	}
		2030
		2031	void
		2032	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		2033	PREINIT:
		2034	CALLBACK
		2035	CODE:
		2036	{
		2037	dREQ (REQ_TXN_FINISH, 0);
		2038	ptr_nuke (ST (0));
		2039	req->txn = txn;
		2040	req->uint1 = flags;
		2041	REQ_SEND;
		2042	}
		2043
		2044	void
		2045	db_c_close (DBC *dbc, SV *callback = 0)
		2046	PREINIT:
		2047	CALLBACK
		2048	CODE:
		2049	{
		2050	dREQ (REQ_C_CLOSE, 0);
		2051	ptr_nuke (ST (0));
		2052	req->dbc = dbc;
		2053	REQ_SEND;
		2054	}
		2055
		2056	void
		2057	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		2058	PREINIT:
		2059	CALLBACK
		2060	CODE:
		2061	{
		2062	dREQ (REQ_C_COUNT, 1);
		2063	req->dbc = dbc;
		2064	req->sv1 = SvREFCNT_inc (count);
		2065	REQ_SEND;
		2066	}
		2067
		2068	void
		2069	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		2070	PREINIT:
		2071	CALLBACK
		2072	CODE:
		2073	{
		2074	dREQ (REQ_C_PUT, 1);
		2075	req->dbc = dbc;
		2076	sv_to_dbt (&req->dbt1, key);
		2077	sv_to_dbt (&req->dbt2, data);
		2078	req->uint1 = flags;
		2079	REQ_SEND;
		2080	}
		2081
		2082	void
		2083	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2084	PREINIT:
		2085	CALLBACK
		2086	CODE:
		2087	{
		2088	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2089	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2090	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2091	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2092	"key",
		2093	"BDB::db_c_get");
		2094
		2095	{
		2096	dREQ (REQ_C_GET, 1);
		2097	req->dbc = dbc;
		2098	req->uint1 = flags;
		2099	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2100	sv_to_dbt (&req->dbt1, key);
		2101	else
		2102	{
		2103	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2104	sv_to_dbt (&req->dbt1, key);
		2105	else
		2106	req->dbt1.flags = DB_DBT_MALLOC;
		2107
		2108	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2109	}
		2110
		2111	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2112	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2113	sv_to_dbt (&req->dbt3, data);
		2114	else
		2115	req->dbt3.flags = DB_DBT_MALLOC;
		2116
		2117	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2118	REQ_SEND;
		2119	}
		2120	}
		2121
		2122	void
		2123	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2124	PREINIT:
		2125	CALLBACK
		2126	CODE:
		2127	{
		2128	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2129	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2130	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2131	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2132	"key",
		2133	"BDB::db_c_pget");
		2134
		2135	{
		2136	dREQ (REQ_C_PGET, 1);
		2137	req->dbc = dbc;
		2138	req->uint1 = flags;
		2139	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2140	sv_to_dbt (&req->dbt1, key);
		2141	else
		2142	{
		2143	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2144	sv_to_dbt (&req->dbt1, key);
		2145	else
		2146	req->dbt1.flags = DB_DBT_MALLOC;
		2147
		2148	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2149	}
		2150
		2151	req->dbt2.flags = DB_DBT_MALLOC;
		2152	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2153
		2154	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2155	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2156	sv_to_dbt (&req->dbt3, data);
		2157	else
		2158	req->dbt3.flags = DB_DBT_MALLOC;
		2159
		2160	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2161	REQ_SEND;
		2162	}
		2163	}
		2164
		2165	void
		2166	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2167	PREINIT:
		2168	CALLBACK
		2169	CODE:
		2170	{
		2171	dREQ (REQ_C_DEL, 1);
		2172	req->dbc = dbc;
		2173	req->uint1 = flags;
		2174	REQ_SEND;
		2175	}
		2176
		2177
		2178	#if DB_VERSION_MINOR >= 3
		2179
		2180	void
		2181	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2182	PREINIT:
		2183	CALLBACK
		2184	CODE:
		2185	{
		2186	dREQ (REQ_SEQ_OPEN, 2);
		2187	req->seq = seq;
		2188	req->txn = txnid;
		2189	req->uint1 = flags | DB_THREAD;
		2190	sv_to_dbt (&req->dbt1, key);
		2191	REQ_SEND;
		2192	}
		2193
		2194	void
		2195	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2196	PREINIT:
		2197	CALLBACK
		2198	CODE:
		2199	{
		2200	dREQ (REQ_SEQ_CLOSE, 0);
		2201	ptr_nuke (ST (0));
		2202	req->seq = seq;
		2203	req->uint1 = flags;
		2204	REQ_SEND;
		2205	}
		2206
		2207	void
		2208	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2209	PREINIT:
		2210	CALLBACK
		2211	CODE:
		2212	{
		2213	dREQ (REQ_SEQ_GET, 2);
		2214	req->seq = seq;
		2215	req->txn = txnid;
		2216	req->int1 = delta;
		2217	req->uint1 = flags;
		2218	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2219	REQ_SEND;
		2220	}
		2221
		2222	void
		2223	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2224	PREINIT:
		2225	CALLBACK
		2226	CODE:
		2227	{
		2228	dREQ (REQ_SEQ_REMOVE, 2);
		2229	req->seq = seq;
		2230	req->txn = txnid;
		2231	req->uint1 = flags;
		2232	REQ_SEND;
		2233	}
		2234
		2235	#endif
		2236
1085		2237
1086	MODULE = BDB PACKAGE = BDB::Env	2238	MODULE = BDB PACKAGE = BDB::Env
1087		2239
		2240	void
		2241	DESTROY (DB_ENV_ornuked *env)
		2242	CODE:
		2243	if (env)
		2244	env->close (env, 0);
		2245
		2246	int set_data_dir (DB_ENV *env, const char *dir)
		2247	CODE:
		2248	RETVAL = env->set_data_dir (env, dir);
		2249	OUTPUT:
		2250	RETVAL
		2251
		2252	int set_tmp_dir (DB_ENV *env, const char *dir)
		2253	CODE:
		2254	RETVAL = env->set_tmp_dir (env, dir);
		2255	OUTPUT:
		2256	RETVAL
		2257
		2258	int set_lg_dir (DB_ENV *env, const char *dir)
		2259	CODE:
		2260	RETVAL = env->set_lg_dir (env, dir);
		2261	OUTPUT:
		2262	RETVAL
		2263
		2264	int set_shm_key (DB_ENV *env, long shm_key)
		2265	CODE:
		2266	RETVAL = env->set_shm_key (env, shm_key);
		2267	OUTPUT:
		2268	RETVAL
		2269
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2270	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	2271	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2272	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	2273	OUTPUT:
1092	RETVAL	2274	RETVAL
1093		2275
1094	int set_flags (DB_ENV *env, U32 flags, int onoff)	2276	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1095	CODE:	2277	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	2278	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	2279	OUTPUT:
1098	RETVAL	2280	RETVAL
1099		2281
		2282	#if DB_VERSION_MINOR >= 7
		2283
		2284	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2285	CODE:
		2286	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2287	OUTPUT:
		2288	RETVAL
		2289
		2290	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2291	CODE:
		2292	RETVAL = env->log_set_config (env, flags, onoff);
		2293	OUTPUT:
		2294	RETVAL
		2295
		2296	#endif
		2297
		2298
		2299	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2300	CODE:
		2301	env->set_errfile (env, errfile);
		2302
		2303	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2304	CODE:
		2305	env->set_msgfile (env, msgfile);
		2306
		2307	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2308	CODE:
		2309	RETVAL = env->set_verbose (env, which, onoff);
		2310	OUTPUT:
		2311	RETVAL
		2312
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2313	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	2314	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	2315	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	2316	OUTPUT:
1104	RETVAL	2317	RETVAL
1105		2318
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2319	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	2320	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2321	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	2322	OUTPUT:
1110	RETVAL	2323	RETVAL
1111		2324
		2325	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2326	CODE:
		2327	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2332	CODE:
		2333	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2334	OUTPUT:
		2335	RETVAL
		2336
		2337	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2338	CODE:
		2339	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2340	OUTPUT:
		2341	RETVAL
		2342
		2343	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2344	CODE:
		2345	RETVAL = env->set_lk_detect (env, detect);
		2346	OUTPUT:
		2347	RETVAL
		2348
		2349	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2350	CODE:
		2351	RETVAL = env->set_lk_max_lockers (env, max);
		2352	OUTPUT:
		2353	RETVAL
		2354
		2355	int set_lk_max_locks (DB_ENV *env, U32 max)
		2356	CODE:
		2357	RETVAL = env->set_lk_max_locks (env, max);
		2358	OUTPUT:
		2359	RETVAL
		2360
		2361	int set_lk_max_objects (DB_ENV *env, U32 max)
		2362	CODE:
		2363	RETVAL = env->set_lk_max_objects (env, max);
		2364	OUTPUT:
		2365	RETVAL
		2366
		2367	int set_lg_bsize (DB_ENV *env, U32 max)
		2368	CODE:
		2369	RETVAL = env->set_lg_bsize (env, max);
		2370	OUTPUT:
		2371	RETVAL
		2372
		2373	int set_lg_max (DB_ENV *env, U32 max)
		2374	CODE:
		2375	RETVAL = env->set_lg_max (env, max);
		2376	OUTPUT:
		2377	RETVAL
		2378
		2379	#if DB_VERSION_MINOR >= 4
		2380
		2381	int mutex_set_max (DB_ENV *env, U32 max)
		2382	CODE:
		2383	RETVAL = env->mutex_set_max (env, max);
		2384	OUTPUT:
		2385	RETVAL
		2386
		2387	int mutex_set_increment (DB_ENV *env, U32 increment)
		2388	CODE:
		2389	RETVAL = env->mutex_set_increment (env, increment);
		2390	OUTPUT:
		2391	RETVAL
		2392
		2393	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2394	CODE:
		2395	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2396	OUTPUT:
		2397	RETVAL
		2398
		2399	int mutex_set_align (DB_ENV *env, U32 align)
		2400	CODE:
		2401	RETVAL = env->mutex_set_align (env, align);
		2402	OUTPUT:
		2403	RETVAL
		2404
		2405	#endif
		2406
		2407	DB_TXN *
		2408	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2409	CODE:
		2410	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2411	if (errno)
		2412	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2413	OUTPUT:
		2414	RETVAL
		2415
		2416	#if DB_VERSION_MINOR >= 5
		2417
		2418	DB_TXN *
		2419	cdsgroup_begin (DB_ENV *env)
		2420	CODE:
		2421	errno = env->cdsgroup_begin (env, &RETVAL);
		2422	if (errno)
		2423	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2424	OUTPUT:
		2425	RETVAL
		2426
		2427	#endif
1112		2428
1113	MODULE = BDB PACKAGE = BDB::Db	2429	MODULE = BDB PACKAGE = BDB::Db
1114		2430
		2431	void
		2432	DESTROY (DB_ornuked *db)
		2433	CODE:
		2434	if (db)
		2435	{
		2436	SV *env = (SV *)db->app_private;
		2437	db->close (db, 0);
		2438	SvREFCNT_dec (env);
		2439	}
		2440
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2441	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	2442	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2443	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	2444	OUTPUT:
1119	RETVAL	2445	RETVAL
1120		2446
		2447	int set_pagesize (DB *db, U32 pagesize)
		2448	CODE:
		2449	RETVAL = db->set_pagesize (db, pagesize);
		2450	OUTPUT:
		2451	RETVAL
		2452
1121	int set_flags (DB *db, U32 flags);	2453	int set_flags (DB *db, U32 flags)
1122	CODE:	2454	CODE:
1123	RETVAL = db->set_flags (db, flags);	2455	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	2456	OUTPUT:
1125	RETVAL	2457	RETVAL
1126		2458
…		…
1134	CODE:	2466	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	2467	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	2468	OUTPUT:
1137	RETVAL	2469	RETVAL
1138		2470
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	2471	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	2472	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	2473	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	2474	OUTPUT:
1144	RETVAL	2475	RETVAL
1145		2476
1146	int set_re_delim(DB *db, int delim);	2477	int set_re_delim (DB *db, int delim)
1147	CODE:	2478	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	2479	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	2480	OUTPUT:
1150	RETVAL	2481	RETVAL
1151		2482
…		…
1183	CODE:	2514	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	2515	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	2516	OUTPUT:
1186	RETVAL	2517	RETVAL
1187		2518
		2519	DBC *
		2520	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2521	CODE:
		2522	errno = db->cursor (db, txn, &RETVAL, flags);
		2523	if (errno)
		2524	croak ("DB->cursor: %s", db_strerror (errno));
		2525	OUTPUT:
		2526	RETVAL
1188		2527
		2528	#if DB_VERSION_MINOR >= 3
		2529
		2530	DB_SEQUENCE *
		2531	sequence (DB *db, U32 flags = 0)
		2532	CODE:
		2533	{
		2534	errno = db_sequence_create (&RETVAL, db, flags);
		2535	if (errno)
		2536	croak ("db_sequence_create: %s", db_strerror (errno));
		2537	}
		2538	OUTPUT:
		2539	RETVAL
		2540
		2541	#endif
		2542
		2543
		2544	MODULE = BDB PACKAGE = BDB::Txn
		2545
		2546	void
		2547	DESTROY (DB_TXN_ornuked *txn)
		2548	CODE:
		2549	if (txn)
		2550	txn->abort (txn);
		2551
		2552	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2553	CODE:
		2554	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2555	OUTPUT:
		2556	RETVAL
		2557
		2558	int failed (DB_TXN *txn)
		2559	CODE:
		2560	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2561	OUTPUT:
		2562	RETVAL
		2563
		2564
		2565	MODULE = BDB PACKAGE = BDB::Cursor
		2566
		2567	void
		2568	DESTROY (DBC_ornuked *dbc)
		2569	CODE:
		2570	if (dbc)
		2571	dbc->c_close (dbc);
		2572
		2573	#if DB_VERSION_MINOR >= 6
		2574
		2575	int set_priority (DBC *dbc, int priority)
		2576	CODE:
		2577	dbc->set_priority (dbc, priority);
		2578
		2579	#endif
		2580
		2581	#if DB_VERSION_MINOR >= 3
		2582
		2583	MODULE = BDB PACKAGE = BDB::Sequence
		2584
		2585	void
		2586	DESTROY (DB_SEQUENCE_ornuked *seq)
		2587	CODE:
		2588	if (seq)
		2589	seq->close (seq, 0);
		2590
		2591	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2592	CODE:
		2593	RETVAL = seq->initial_value (seq, value);
		2594	OUTPUT:
		2595	RETVAL
		2596
		2597	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2598	CODE:
		2599	RETVAL = seq->set_cachesize (seq, size);
		2600	OUTPUT:
		2601	RETVAL
		2602
		2603	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2604	CODE:
		2605	RETVAL = seq->set_flags (seq, flags);
		2606	OUTPUT:
		2607	RETVAL
		2608
		2609	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2610	CODE:
		2611	RETVAL = seq->set_range (seq, min, max);
		2612	OUTPUT:
		2613	RETVAL
		2614
		2615	#endif
		2616
		2617

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