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Comparing BDB/BDB.xs (file contents):
Revision 1.2 by root, Mon Feb 5 20:21:38 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		59
		60	static SV *prepare_cb;
		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
		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 *
		115	strdup_ornull (const char *s)
		116	{
		117	return s ? strdup (s) : 0;
		118	}
		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
47	enum	150	enum {
48	{
49	REQ_QUIT,	151	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	REQ_ENV_LOG_ARCHIVE,
		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,
52	};	160	};
53		161
54	typedef struct aio_cb	162	typedef struct bdb_cb
55	{	163	{
56	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
57	SV *callback;	165	SV *callback;
58	int type, pri, errorno;	166	int type, pri, result;
59		167
60	DB_ENV *env;	168	DB_ENV *env;
61	DB *db;	169	DB *db;
62	DB_TXN *txn;	170	DB_TXN *txn;
63	DBC *cursor;	171	DBC *dbc;
		172
		173	UV uv1;
64	int int1, int2;	174	int int1, int2;
65	U32 uint1, uint2;	175	U32 uint1, uint2;
66	char *buf1, *buf2;	176	char *buf1, *buf2, *buf3;
67	} aio_cb;	177	SV *sv1, *sv2, *sv3;
68		178
		179	DBT dbt1, dbt2, dbt3;
		180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
		185
		186	SV *rsv1, *rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
69	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
70		190
71	enum {	191	enum {
72	PRI_MIN = -4,	192	PRI_MIN = -4,
73	PRI_MAX = 4,	193	PRI_MAX = 4,
74		194
…		…
77	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
78	};	198	};
79		199
80	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
81		201
		202	static SV *on_next_submit;
		203
82	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
83	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
84		206
85	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
86	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	208	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
91		213
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		215
94	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
95		217
96	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
97	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
98	#else
99	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
100	#endif
101
102	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
103	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
104
105	/* worker threads management */	218	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
107		220
108	typedef struct worker {	221	typedef struct worker {
109	/* locked by wrklock */	222	/* locked by wrklock */
110	struct worker *prev, *next;	223	struct worker *prev, *next;
111		224
112	pthread_t tid;	225	thread_t tid;
113		226
114	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
116	void *dbuf;	229	void *dbuf;
117	DIR *dirp;	230	DIR *dirp;
118	} worker;	231	} worker;
119		232
120	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
132	}	245	}
133		246
134	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
138		251
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
142		255
143	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
144		257
145	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
146	{	259	{
147	unsigned int retval;	260	unsigned int retval;
148		261
149	LOCK (reqlock);	262	X_LOCK (reqlock);
150	retval = nready;	263	retval = nready;
151	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
152		265
153	return retval;	266	return retval;
154	}	267	}
155		268
156	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
157	{	270	{
158	unsigned int retval;	271	unsigned int retval;
159		272
160	LOCK (reslock);	273	X_LOCK (reslock);
161	retval = npending;	274	retval = npending;
162	UNLOCK (reslock);	275	X_UNLOCK (reslock);
163		276
164	return retval;	277	return retval;
165	}	278	}
166		279
167	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
168	{	281	{
169	unsigned int retval;	282	unsigned int retval;
170		283
171	LOCK (wrklock);	284	X_LOCK (wrklock);
172	retval = started;	285	retval = started;
173	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
174		287
175	return retval;	288	return retval;
176	}	289	}
177		290
178	#else	291	#else
…		…
187	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
188	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
189	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
190	*/	303	*/
191	typedef struct {	304	typedef struct {
192	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
193	int size;	306	int size;
194	} reqq;	307	} reqq;
195		308
196	static reqq req_queue;	309	static reqq req_queue;
197	static reqq res_queue;	310	static reqq res_queue;
198		311
199	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
200	{	313	{
201	int pri = req->pri;	314	int pri = req->pri;
202	req->next = 0;	315	req->next = 0;
203		316
204	if (q->qe[pri])	317	if (q->qe[pri])
…		…
210	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
211		324
212	return q->size++;	325	return q->size++;
213	}	326	}
214		327
215	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
216	{	329	{
217	int pri;	330	int pri;
218		331
219	if (!q->size)	332	if (!q->size)
220	return 0;	333	return 0;
221		334
222	--q->size;	335	--q->size;
223		336
224	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
225	{	338	{
226	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
227		340
228	if (req)	341	if (req)
229	{	342	{
230	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
231	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
235	}	348	}
236		349
237	abort ();	350	abort ();
238	}	351	}
239		352
240	static int poll_cb ();	353	static int poll_cb (void);
241	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
242	static void req_cancel (aio_req req);
243		355
244	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
245	{	357	{
246	dSP;	358	switch (req->type)
247
248	if (SvOK (req->callback))
249	{	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
250	ENTER;	430	ENTER;
251	SAVETMPS;	431	SAVETMPS;
252	PUSHMARK (SP);	432	PUSHMARK (SP);
253	EXTEND (SP, 1);
254
255	switch (req->type)
256	{
257	}
258		433
259	PUTBACK;	434	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	435	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	436	SPAGAIN;
262		437
263	FREETMPS;	438	FREETMPS;
264	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
265	}	442	}
266		443
267	return !SvTRUE (ERRSV);	444	return 1;
268	}	445	}
269		446
270	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
271	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
272	free (req->buf1);	454	free (req->buf1);
273	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
274	Safefree (req);	458	Safefree (req);
275	}	459	}
276		460
277	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);
278		595
279	static void start_thread (void)	596	static void start_thread (void)
280	{	597	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	598	worker *wrk = calloc (1, sizeof (worker));
285		599
286	if (!wrk)	600	if (!wrk)
287	croak ("unable to allocate worker thread data");	601	croak ("unable to allocate worker thread data");
288		602
289	pthread_attr_init (&attr);
290	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
291	#ifdef PTHREAD_SCOPE_PROCESS
292	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
293	#endif
294
295	sigfillset (&fullsigset);
296
297	LOCK (wrklock);	603	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	604	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	605	{
302	wrk->prev = &wrk_first;	606	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	607	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	608	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	609	wrk_first.next = wrk;
306	++started;	610	++started;
307	}	611	}
308	else	612	else
309	free (wrk);	613	free (wrk);
310		614
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	615	X_UNLOCK (wrklock);
313	}	616	}
314		617
315	static void maybe_start_thread ()	618	static void maybe_start_thread (void)
316	{	619	{
317	if (get_nthreads () >= wanted)	620	if (get_nthreads () >= wanted)
318	return;	621	return;
319		622
320	/* todo: maybe use idle here, but might be less exact */	623	/* todo: maybe use idle here, but might be less exact */
…		…
322	return;	625	return;
323		626
324	start_thread ();	627	start_thread ();
325	}	628	}
326		629
327	static void req_send (aio_req req)	630	static void req_send (bdb_req req)
328	{	631	{
		632	SV *wait_callback = 0;
		633
		634	if (on_next_submit)
		635	{
		636	dSP;
		637	SV *cb = sv_2mortal (on_next_submit);
		638
		639	on_next_submit = 0;
		640
		641	PUSHMARK (SP);
		642	PUTBACK;
		643	call_sv (cb, G_DISCARD | G_EVAL);
		644	SPAGAIN;
		645	}
		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
329	++nreqs;	676	++nreqs;
330		677
331	LOCK (reqlock);	678	X_LOCK (reqlock);
332	++nready;	679	++nready;
333	reqq_push (&req_queue, req);	680	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	681	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	682	X_UNLOCK (reqlock);
336		683
337	maybe_start_thread ();	684	maybe_start_thread ();
		685
		686	if (wait_callback)
		687	{
		688	dSP;
		689	PUSHMARK (SP);
		690	PUTBACK;
		691	call_sv (wait_callback, G_DISCARD);
		692	}
338	}	693	}
339		694
340	static void end_thread (void)	695	static void end_thread (void)
341	{	696	{
342	aio_req req;	697	bdb_req req = calloc (1, sizeof (bdb_cb));
343
344	Newz (0, req, 1, aio_cb);
345		698
346	req->type = REQ_QUIT;	699	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	700	req->pri = PRI_MAX + PRI_BIAS;
348		701
349	LOCK (reqlock);	702	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	703	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	704	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	705	X_UNLOCK (reqlock);
353		706
354	LOCK (wrklock);	707	X_LOCK (wrklock);
355	--started;	708	--started;
356	UNLOCK (wrklock);	709	X_UNLOCK (wrklock);
357	}	710	}
358		711
359	static void set_max_idle (int nthreads)	712	static void set_max_idle (int nthreads)
360	{	713	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	714	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	715	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	716	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	717	}
365		718
366	static void min_parallel (int nthreads)	719	static void min_parallel (int nthreads)
367	{	720	{
368	if (wanted < nthreads)	721	if (wanted < nthreads)
…		…
376		729
377	while (started > wanted)	730	while (started > wanted)
378	end_thread ();	731	end_thread ();
379	}	732	}
380		733
381	static void poll_wait ()	734	static void poll_wait (void)
382	{	735	{
383	fd_set rfd;	736	fd_set rfd;
384		737
385	while (nreqs)	738	while (nreqs)
386	{	739	{
387	int size;	740	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	741	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	742	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	743	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		744
392	if (size)	745	if (size)
393	return;	746	return;
394		747
395	maybe_start_thread ();	748	maybe_start_thread ();
396		749
397	FD_ZERO(&rfd);	750	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	751	FD_SET (respipe [0], &rfd);
399		752
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	753	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	754	}
402	}	755	}
403		756
404	static int poll_cb ()	757	static int poll_cb (void)
405	{	758	{
406	dSP;	759	dSP;
407	int count = 0;	760	int count = 0;
408	int maxreqs = max_poll_reqs;	761	int maxreqs = max_poll_reqs;
409	int do_croak = 0;	762	int do_croak = 0;
410	struct timeval tv_start, tv_now;	763	struct timeval tv_start, tv_now;
411	aio_req req;	764	bdb_req req;
412		765
413	if (max_poll_time)	766	if (max_poll_time)
414	gettimeofday (&tv_start, 0);	767	gettimeofday (&tv_start, 0);
415		768
416	for (;;)	769	for (;;)
417	{	770	{
418	for (;;)	771	for (;;)
419	{	772	{
420	maybe_start_thread ();	773	maybe_start_thread ();
421		774
422	LOCK (reslock);	775	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	776	req = reqq_shift (&res_queue);
424		777
425	if (req)	778	if (req)
426	{	779	{
427	--npending;	780	--npending;
428		781
429	if (!res_queue.size)	782	if (!res_queue.size)
430	{	783	{
431	/* read any signals sent by the worker threads */	784	/* read any signals sent by the worker threads */
432	char buf [4];	785	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	786	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	787	;
435	}	788	}
436	}	789	}
437		790
438	UNLOCK (reslock);	791	X_UNLOCK (reslock);
439		792
440	if (!req)	793	if (!req)
441	break;	794	break;
442		795
443	--nreqs;	796	--nreqs;
…		…
473	}	826	}
474		827
475	return count;	828	return count;
476	}	829	}
477		830
478	static void create_pipe ()
479	{
480	if (pipe (respipe))
481	croak ("unable to initialize result pipe");
482
483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
484	croak ("cannot set result pipe to nonblocking mode");
485
486	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
487	croak ("cannot set result pipe to nonblocking mode");
488	}
489
490	/*****************************************************************************/	831	/*****************************************************************************/
491		832
492	static void *aio_proc (void *thr_arg)	833	static void
		834	bdb_request (bdb_req req)
493	{	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	{
494	aio_req req;	1001	bdb_req req;
495	struct timespec ts;	1002	struct timespec ts;
496	worker *self = (worker *)thr_arg;	1003	worker *self = (worker *)thr_arg;
497		1004
498	/* try to distribute timeouts somewhat evenly */	1005	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1006	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		1007
502	for (;;)	1008	for (;;)
503	{	1009	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1010	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		1011
506	LOCK (reqlock);	1012	X_LOCK (reqlock);
507		1013
508	for (;;)	1014	for (;;)
509	{	1015	{
510	self->req = req = reqq_shift (&req_queue);	1016	self->req = req = reqq_shift (&req_queue);
511		1017
512	if (req)	1018	if (req)
513	break;	1019	break;
514		1020
515	++idle;	1021	++idle;
516		1022
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	1023	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	1024	== ETIMEDOUT)
519	{	1025	{
520	if (idle > max_idle)	1026	if (idle > max_idle)
521	{	1027	{
522	--idle;	1028	--idle;
523	UNLOCK (reqlock);	1029	X_UNLOCK (reqlock);
524	LOCK (wrklock);	1030	X_LOCK (wrklock);
525	--started;	1031	--started;
526	UNLOCK (wrklock);	1032	X_UNLOCK (wrklock);
527	goto quit;	1033	goto quit;
528	}	1034	}
529		1035
530	/* we are allowed to idle, so do so without any timeout */	1036	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	1037	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1038	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	1039	}
534		1040
535	--idle;	1041	--idle;
536	}	1042	}
537		1043
538	--nready;	1044	--nready;
539		1045
540	UNLOCK (reqlock);	1046	X_UNLOCK (reqlock);
541
542	errno = 0; /* strictly unnecessary */
543		1047
544	switch (req->type)	1048	if (req->type == REQ_QUIT)
545	{	1049	{
546	case REQ_QUIT:	1050	X_LOCK (reslock);
		1051	free (req);
		1052	self->req = 0;
		1053	X_UNLOCK (reslock);
		1054
547	goto quit;	1055	goto quit;
548
549	default:
550	//req->result = ENOSYS;
551	break;
552	}	1056	}
553		1057
554	//req->errorno = errno;	1058	bdb_request (req);
555		1059
556	LOCK (reslock);	1060	X_LOCK (reslock);
557		1061
558	++npending;	1062	++npending;
559		1063
560	if (!reqq_push (&res_queue, req))	1064	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	1065	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	1066	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		1067
564	self->req = 0;	1068	self->req = 0;
565	worker_clear (self);	1069	worker_clear (self);
566		1070
567	UNLOCK (reslock);	1071	X_UNLOCK (reslock);
568	}	1072	}
569		1073
570	quit:	1074	quit:
571	LOCK (wrklock);	1075	X_LOCK (wrklock);
572	worker_free (self);	1076	worker_free (self);
573	UNLOCK (wrklock);	1077	X_UNLOCK (wrklock);
574		1078
575	return 0;	1079	return 0;
576	}	1080	}
577		1081
578	/*****************************************************************************/	1082	/*****************************************************************************/
579		1083
580	static void atfork_prepare (void)	1084	static void atfork_prepare (void)
581	{	1085	{
582	LOCK (wrklock);	1086	X_LOCK (wrklock);
583	LOCK (reqlock);	1087	X_LOCK (reqlock);
584	LOCK (reslock);	1088	X_LOCK (reslock);
585	}	1089	}
586		1090
587	static void atfork_parent (void)	1091	static void atfork_parent (void)
588	{	1092	{
589	UNLOCK (reslock);	1093	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	1094	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	1095	X_UNLOCK (wrklock);
592	}	1096	}
593		1097
594	static void atfork_child (void)	1098	static void atfork_child (void)
595	{	1099	{
596	aio_req prv;	1100	bdb_req prv;
597		1101
598	while (prv = reqq_shift (&req_queue))	1102	while (prv = reqq_shift (&req_queue))
599	req_free (prv);	1103	req_free (prv);
600		1104
601	while (prv = reqq_shift (&res_queue))	1105	while (prv = reqq_shift (&res_queue))
…		…
616	idle = 0;	1120	idle = 0;
617	nreqs = 0;	1121	nreqs = 0;
618	nready = 0;	1122	nready = 0;
619	npending = 0;	1123	npending = 0;
620		1124
621	close (respipe [0]);
622	close (respipe [1]);
623	create_pipe ();	1125	create_respipe ();
624		1126
625	atfork_parent ();	1127	atfork_parent ();
626	}	1128	}
627		1129
628	#define dREQ(reqtype) \	1130	#define dREQ(reqtype,rsvcnt) \
629	aio_req req; \	1131	bdb_req req; \
630	int req_pri = next_pri; \	1132	int req_pri = next_pri; \
631	next_pri = DEFAULT_PRI + PRI_BIAS; \	1133	next_pri = DEFAULT_PRI + PRI_BIAS; \
632	\	1134	\
633	if (SvOK (callback) && !SvROK (callback)) \	1135	if (callback && SvOK (callback)) \
634	croak ("callback must be undef or of reference type"); \	1136	croak ("callback has illegal type or extra arguments"); \
635	\	1137	\
636	Newz (0, req, 1, aio_cb); \	1138	Newz (0, req, 1, bdb_cb); \
637	if (!req) \	1139	if (!req) \
638	croak ("out of memory during aio_req allocation"); \	1140	croak ("out of memory during bdb_req allocation"); \
639	\	1141	\
640	req->callback = newSVsv (callback); \	1142	req->callback = SvREFCNT_inc (cb); \
641	req->type = (reqtype); \	1143	req->type = (reqtype); \
642	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;
643		1148
644	#define REQ_SEND \	1149	#define REQ_SEND \
645	req_send (req)	1150	req_send (req)
646		1151
647	#define SvPTR(var, arg, type, class) \	1152	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	1153	if (!SvOK (arg)) \
		1154	{ \
		1155	if (nullok != 1) \
		1156	croak (# var " must be a " # class " object, not undef"); \
		1157	\
649	(var) = 0; \	1158	(var) = 0; \
		1159	} \
650	else if (sv_derived_from ((arg), # class)) \	1160	else if (sv_derived_from ((arg), # class)) \
651	{ \	1161	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	1162	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	1163	(var) = INT2PTR (type, tmp); \
		1164	if (!var && nullok != 2) \
		1165	croak (# var " is not a valid " # class " object anymore"); \
654	} \	1166	} \
655	else \	1167	else \
656	Perl_croak (# var " is not of type " # type)	1168	croak (# var " is not of type " # class);
657		1169
		1170	#define ARG_MUTABLE(name) \
		1171	if (SvREADONLY (name)) \
		1172	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1173
		1174	static void
		1175	ptr_nuke (SV *sv)
		1176	{
		1177	assert (SvROK (sv));
		1178	sv_setiv (SvRV (sv), 0);
		1179	}
		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
658	MODULE = BDB PACKAGE = BDB	1298	MODULE = BDB PACKAGE = BDB
659		1299
660	PROTOTYPES: ENABLE	1300	PROTOTYPES: ENABLE
661		1301
662	BOOT:	1302	BOOT:
…		…
677	const_iv (INIT_TXN)	1317	const_iv (INIT_TXN)
678	const_iv (RECOVER)	1318	const_iv (RECOVER)
679	const_iv (INIT_TXN)	1319	const_iv (INIT_TXN)
680	const_iv (RECOVER_FATAL)	1320	const_iv (RECOVER_FATAL)
681	const_iv (CREATE)	1321	const_iv (CREATE)
		1322	const_iv (RDONLY)
682	const_iv (USE_ENVIRON)	1323	const_iv (USE_ENVIRON)
683	const_iv (USE_ENVIRON_ROOT)	1324	const_iv (USE_ENVIRON_ROOT)
684	const_iv (LOCKDOWN)	1325	const_iv (LOCKDOWN)
685	const_iv (PRIVATE)	1326	const_iv (PRIVATE)
686	const_iv (REGISTER)
687	const_iv (SYSTEM_MEM)	1327	const_iv (SYSTEM_MEM)
688	const_iv (AUTO_COMMIT)	1328	const_iv (AUTO_COMMIT)
689	const_iv (CDB_ALLDB)	1329	const_iv (CDB_ALLDB)
690	const_iv (DIRECT_DB)	1330	const_iv (DIRECT_DB)
691	const_iv (DIRECT_LOG)
692	const_iv (DSYNC_DB)
693	const_iv (DSYNC_LOG)
694	const_iv (LOG_AUTOREMOVE)
695	const_iv (LOG_INMEMORY)
696	const_iv (NOLOCKING)	1331	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	1332	const_iv (NOMMAP)
699	const_iv (NOPANIC)	1333	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	1334	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	1335	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	1336	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	1337	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	1338	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)	1339	const_iv (TXN_NOT_DURABLE)
706	const_iv (TXN_WRITE_NOSYNC)	1340	const_iv (TXN_WRITE_NOSYNC)
		1341	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	1342	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	1343	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	1344	const_iv (XA_CREATE)
710	const_iv (BTREE)	1345	const_iv (BTREE)
711	const_iv (HASH)	1346	const_iv (HASH)
712	const_iv (QUEUE)	1347	const_iv (QUEUE)
713	const_iv (RECNO)	1348	const_iv (RECNO)
714	const_iv (UNKNOWN)	1349	const_iv (UNKNOWN)
715	const_iv (EXCL)	1350	const_iv (EXCL)
716	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	1351	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	1352	const_iv (NOSYNC)
719	const_iv (CHKSUM)	1353	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	1354	const_iv (ENCRYPT)
721	const_iv (TXN_NOT_DURABLE)
722	const_iv (DUP)	1355	const_iv (DUP)
723	const_iv (DUPSORT)	1356	const_iv (DUPSORT)
724	const_iv (RECNUM)	1357	//const_iv (RECNUM)
725	const_iv (RENUMBER)	1358	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	1359	const_iv (REVSPLITOFF)
727	const_iv (INORDER)
728	const_iv (CONSUME)	1360	const_iv (CONSUME)
729	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)
730	const_iv (SNAPSHOT)	1366	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	1367	const_iv (JOIN_ITEM)
		1368	const_iv (JOIN_NOSORT)
732	const_iv (RMW)	1369	const_iv (RMW)
733		1370
734	const_iv (NOTFOUND)	1371	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	1372	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	1373	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	1374	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	1375	const_iv (RUNRECOVERY)
		1376	const_iv (OLD_VERSION)
		1377	const_iv (REP_HANDLE_DEAD)
		1378	const_iv (SECONDARY_BAD)
		1379
		1380	const_iv (APPEND)
		1381	const_iv (NODUPDATA)
		1382	const_iv (NOOVERWRITE)
		1383
		1384	const_iv (TXN_NOWAIT)
		1385	const_iv (TXN_SYNC)
		1386
		1387	const_iv (SET_LOCK_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
739	};	1503	};
740		1504
741	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; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1506	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1507
744	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
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1521	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1522	patch_errno ();
746	}	1523	}
747		1524
748	void	1525	void
749	max_poll_reqs (int nreqs)	1526	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1527	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1556	max_outstanding = maxreqs;
780	OUTPUT:	1557	OUTPUT:
781	RETVAL	1558	RETVAL
782		1559
783	int	1560	int
784	bdbreq_pri (int pri = 0)	1561	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1562	PROTOTYPE: ;$
786	CODE:	1563	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1564	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1565	if (items > 0)
789	{	1566	{
…		…
793	}	1570	}
794	OUTPUT:	1571	OUTPUT:
795	RETVAL	1572	RETVAL
796		1573
797	void	1574	void
798	bdbreq_nice (int nice = 0)	1575	dbreq_nice (int nice = 0)
799	CODE:	1576	CODE:
800	nice = next_pri - nice;	1577	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1578	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1579	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1580	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1588	poll_wait ();
812	poll_cb ();	1589	poll_cb ();
813	}	1590	}
814		1591
815	int	1592	int
816	poll()	1593	poll ()
817	PROTOTYPE:	1594	PROTOTYPE:
818	CODE:	1595	CODE:
819	poll_wait ();	1596	poll_wait ();
820	RETVAL = poll_cb ();	1597	RETVAL = poll_cb ();
821	OUTPUT:	1598	OUTPUT:
822	RETVAL	1599	RETVAL
823		1600
824	int	1601	int
825	poll_fileno()	1602	poll_fileno ()
826	PROTOTYPE:	1603	PROTOTYPE:
827	CODE:	1604	CODE:
828	RETVAL = respipe [0];	1605	RETVAL = respipe [0];
829	OUTPUT:	1606	OUTPUT:
830	RETVAL	1607	RETVAL
831		1608
832	int	1609	int
833	poll_cb(...)	1610	poll_cb (...)
834	PROTOTYPE:	1611	PROTOTYPE:
835	CODE:	1612	CODE:
836	RETVAL = poll_cb ();	1613	RETVAL = poll_cb ();
837	OUTPUT:	1614	OUTPUT:
838	RETVAL	1615	RETVAL
839		1616
840	void	1617	void
841	poll_wait()	1618	poll_wait ()
842	PROTOTYPE:	1619	PROTOTYPE:
843	CODE:	1620	CODE:
844	poll_wait ();	1621	poll_wait ();
845		1622
846	int	1623	int
847	nreqs()	1624	nreqs ()
848	PROTOTYPE:	1625	PROTOTYPE:
849	CODE:	1626	CODE:
850	RETVAL = nreqs;	1627	RETVAL = nreqs;
851	OUTPUT:	1628	OUTPUT:
852	RETVAL	1629	RETVAL
853		1630
854	int	1631	int
855	nready()	1632	nready ()
856	PROTOTYPE:	1633	PROTOTYPE:
857	CODE:	1634	CODE:
858	RETVAL = get_nready ();	1635	RETVAL = get_nready ();
859	OUTPUT:	1636	OUTPUT:
860	RETVAL	1637	RETVAL
861		1638
862	int	1639	int
863	npending()	1640	npending ()
864	PROTOTYPE:	1641	PROTOTYPE:
865	CODE:	1642	CODE:
866	RETVAL = get_npending ();	1643	RETVAL = get_npending ();
867	OUTPUT:	1644	OUTPUT:
868	RETVAL	1645	RETVAL
869		1646
870	int	1647	int
871	nthreads()	1648	nthreads ()
872	PROTOTYPE:	1649	PROTOTYPE:
873	CODE:	1650	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1651	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1652	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1653	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1654	OUTPUT:
878	RETVAL	1655	RETVAL
879		1656
		1657	SV *
		1658	set_sync_prepare (SV *cb)
		1659	PROTOTYPE: &
		1660	CODE:
		1661	RETVAL = prepare_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;
		1678
880	DB_ENV *	1679	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1680	db_env_create (U32 env_flags = 0)
882	CODE:	1681	CODE:
883	{	1682	{
884	int err = db_env_create (&RETVAL, env_flags);	1683	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1684	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1685	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1686
		1687	if (0)
		1688	{
		1689	RETVAL->set_errcall (RETVAL, debug_errcall);
		1690	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1691	}
		1692	}
		1693	OUTPUT:
		1694	RETVAL
		1695
889	void	1696	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1697	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1698	PREINIT:
		1699	CALLBACK
891	CODE:	1700	CODE:
892	{	1701	{
893	dREQ (REQ_ENV_OPEN);	1702	dREQ (REQ_ENV_OPEN, 1);
894	req->env = env;	1703	req->env = env;
895	req->uint1 = open_flags;	1704	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1705	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1706	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1707	REQ_SEND;
899	}	1708	}
900		1709
901	void	1710	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1711	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1712	PREINIT:
		1713	CALLBACK
903	CODE:	1714	CODE:
904	{	1715	{
905	dREQ (REQ_ENV_CLOSE);	1716	dREQ (REQ_ENV_CLOSE, 0);
		1717	ptr_nuke (ST (0));
906	req->env = env;	1718	req->env = env;
907	req->uint1 = flags;	1719	req->uint1 = flags;
908	REQ_SEND;	1720	REQ_SEND;
909	}	1721	}
910		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
911	DB *	1816	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1817	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1818	CODE:
914	{	1819	{
915	int err = db_create (&RETVAL, env, flags);	1820	errno = db_create (&RETVAL, env, flags);
916	if (err)	1821	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1822	croak ("db_create: %s", db_strerror (errno));
918	}
919		1823
		1824	if (RETVAL)
		1825	RETVAL->app_private = (void *)newSVsv (ST (0));
		1826	}
		1827	OUTPUT:
		1828	RETVAL
		1829
920	void	1830	void
921	bdb_db_open (DB *db, DB_TXN *txnid, const char *file, const char *database, int type, U32 flags, int mode, SV *callback = 0)	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
922	CODE:	1834	CODE:
923	{	1835	{
924	dREQ (REQ_DB_OPEN);	1836	dREQ (REQ_DB_OPEN, 2);
925	req->db = db;	1837	req->db = db;
926	req->txn = txnid;	1838	req->txn = txnid;
927	req->buf1 = strdup (file);	1839	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1840	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1841	req->int1 = type;
930	req->uint1 = flags;	1842	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1843	req->int2 = mode;
932	REQ_SEND;	1844	REQ_SEND;
933	}	1845	}
934		1846
935	void	1847	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1848	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1849	PREINIT:
		1850	CALLBACK
937	CODE:	1851	CODE:
938	{	1852	{
939	dREQ (REQ_DB_CLOSE);	1853	dREQ (REQ_DB_CLOSE, 0);
		1854	ptr_nuke (ST (0));
940	req->db = db;	1855	req->db = db;
941	req->uint1 = flags;	1856	req->uint1 = flags;
		1857	req->sv1 = (SV *)db->app_private;
		1858	REQ_SEND;
		1859	}
		1860
		1861	#if DB_VERSION_MINOR >= 4
		1862
		1863	void
		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
		1867	CODE:
		1868	{
		1869	dREQ (REQ_DB_COMPACT, 2);
		1870	req->db = db;
		1871	req->txn = txn;
		1872	if (start) sv_to_dbt (&req->dbt1, start);
		1873	if (stop ) sv_to_dbt (&req->dbt2, stop );
		1874	req->uint1 = flags;
		1875	REQ_SEND;
		1876	}
		1877
		1878	#endif
		1879
		1880	void
		1881	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1882	PREINIT:
		1883	CALLBACK
		1884	CODE:
		1885	{
		1886	dREQ (REQ_DB_SYNC, 1);
		1887	req->db = db;
		1888	req->uint1 = flags;
		1889	REQ_SEND;
		1890	}
		1891
		1892	void
		1893	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1894	PREINIT:
		1895	CALLBACK
		1896	CODE:
		1897	{
		1898	dREQ (REQ_DB_SYNC, 1);
		1899	req->db = db;
		1900	req->buf1 = strdup (file);
		1901	req->uint1 = flags;
		1902	REQ_SEND;
		1903	}
		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);
942	REQ_SEND;	2118	REQ_SEND;
		2119	}
943	}	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
944		2236
945		2237
946	MODULE = BDB PACKAGE = BDB::Env	2238	MODULE = BDB PACKAGE = BDB::Env
947		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
948	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)
		2271	CODE:
		2272	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		2273	OUTPUT:
		2274	RETVAL
949		2275
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	2276	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		2277	CODE:
		2278	RETVAL = env->set_flags (env, flags, onoff);
		2279	OUTPUT:
		2280	RETVAL
951		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
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	2313	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		2314	CODE:
		2315	RETVAL = env->set_encrypt (env, password, flags);
		2316	OUTPUT:
		2317	RETVAL
		2318
		2319	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2320	CODE:
		2321	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		2322	OUTPUT:
		2323	RETVAL
		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
953		2428
954	MODULE = BDB PACKAGE = BDB::Db	2429	MODULE = BDB PACKAGE = BDB::Db
955		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
956	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)
		2442	CODE:
		2443	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		2444	OUTPUT:
		2445	RETVAL
957		2446
		2447	int set_pagesize (DB *db, U32 pagesize)
		2448	CODE:
		2449	RETVAL = db->set_pagesize (db, pagesize);
		2450	OUTPUT:
		2451	RETVAL
		2452
958	int set_flags (DB *env, U32 flags, int onoff)	2453	int set_flags (DB *db, U32 flags)
		2454	CODE:
		2455	RETVAL = db->set_flags (db, flags);
		2456	OUTPUT:
		2457	RETVAL
959		2458
960	int set_encrypt (DB *db, const char *password, U32 flags)	2459	int set_encrypt (DB *db, const char *password, U32 flags)
		2460	CODE:
		2461	RETVAL = db->set_encrypt (db, password, flags);
		2462	OUTPUT:
		2463	RETVAL
961		2464
962	int set_lorder (DB *db, int lorder)	2465	int set_lorder (DB *db, int lorder)
963		2466	CODE:
		2467	RETVAL = db->set_lorder (db, lorder);
		2468	OUTPUT:
		2469	RETVAL
964		2470
965	int set_bt_minkey (DB *db, U32 minkey)	2471	int set_bt_minkey (DB *db, U32 minkey)
		2472	CODE:
		2473	RETVAL = db->set_bt_minkey (db, minkey);
		2474	OUTPUT:
		2475	RETVAL
966		2476
967	int set_re_delim(DB *db, int delim);	2477	int set_re_delim (DB *db, int delim)
		2478	CODE:
		2479	RETVAL = db->set_re_delim (db, delim);
		2480	OUTPUT:
		2481	RETVAL
968		2482
969	int set_re_pad (DB *db, int re_pad)	2483	int set_re_pad (DB *db, int re_pad)
		2484	CODE:
		2485	RETVAL = db->set_re_pad (db, re_pad);
		2486	OUTPUT:
		2487	RETVAL
970		2488
971	int set_re_source (DB *db, char *source)	2489	int set_re_source (DB *db, char *source)
		2490	CODE:
		2491	RETVAL = db->set_re_source (db, source);
		2492	OUTPUT:
		2493	RETVAL
972		2494
973	int set_re_len (DB *db, U32 re_len)	2495	int set_re_len (DB *db, U32 re_len)
		2496	CODE:
		2497	RETVAL = db->set_re_len (db, re_len);
		2498	OUTPUT:
		2499	RETVAL
974		2500
975	int set_h_ffactor (DB *db, U32 h_ffactor)	2501	int set_h_ffactor (DB *db, U32 h_ffactor)
		2502	CODE:
		2503	RETVAL = db->set_h_ffactor (db, h_ffactor);
		2504	OUTPUT:
		2505	RETVAL
976		2506
977	int set_h_nelem (DB *db, U32 h_nelem)	2507	int set_h_nelem (DB *db, U32 h_nelem)
		2508	CODE:
		2509	RETVAL = db->set_h_nelem (db, h_nelem);
		2510	OUTPUT:
		2511	RETVAL
978		2512
979	int set_q_extentsize (DB *db, U32 extentsize)	2513	int set_q_extentsize (DB *db, U32 extentsize)
		2514	CODE:
		2515	RETVAL = db->set_q_extentsize (db, extentsize);
		2516	OUTPUT:
		2517	RETVAL
980		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
981		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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