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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 1.48 by root, Tue Jul 29 03:33:16 2008 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 DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	42	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	43	typedef DBC DBC_ornull;
36	*/	44	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	45
38	# if __i386 || __x86_64	46	typedef DB_ENV DB_ENV_ornuked;
39	# define WORDACCESS_UNSAFE 0	47	typedef DB_TXN DB_TXN_ornuked;
40	# else	48	typedef DBC DBC_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB DB_ornuked;
42	# endif	50
		51	#if DB_VERSION_MINOR >= 3
		52	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		53	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
43	#endif	54	#endif
44		55
45	typedef SV SV8; /* byte-sv, used for argument-checking */	56	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	57	typedef char *bdb_filename;
47		58
48	static SV *prepare_cb;	59	static SV *prepare_cb;
49		60
		61	#if DB_VERSION_MINOR >= 6
		62	# define c_close close
		63	# define c_count count
		64	# define c_del del
		65	# define c_dup dup
		66	# define c_get get
		67	# define c_pget pget
		68	# define c_put put
		69	#endif
		70
50	static inline char *	71	static char *
		72	get_bdb_filename (SV *sv)
		73	{
		74	if (!SvOK (sv))
		75	return 0;
		76
		77	#if _WIN32
		78	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		79	{
		80	STRLEN len;
		81	char *src = SvPVbyte (sv, len);
		82	SV *t1 = sv_newmortal ();
		83	SV *t2 = sv_newmortal ();
		84
		85	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		86	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		87
		88	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		89	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		90	SvPOK_only (t2);
		91	SvPVX (t2)[len] = 0;
		92	SvCUR_set (t2, len);
		93
		94	return SvPVX (t2);
		95	}
		96	#else
		97	return SvPVbyte_nolen (sv);
		98	#endif
		99	}
		100
		101	static void
		102	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		103	{
		104	printf ("err[%s]\n", msg);
		105	}
		106
		107	static void
		108	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		109	{
		110	printf ("msg[%s]\n", msg);
		111	}
		112
		113	static char *
51	strdup_ornull (const char *s)	114	strdup_ornull (const char *s)
52	{	115	{
53	return s ? strdup (s) : 0;	116	return s ? strdup (s) : 0;
54	}	117	}
55		118
		119	static void
		120	sv_to_dbt (DBT *dbt, SV *sv)
		121	{
		122	STRLEN len;
		123	char *data = SvPVbyte (sv, len);
		124
		125	dbt->data = malloc (len);
		126	memcpy (dbt->data, data, len);
		127	dbt->size = len;
		128	dbt->flags = DB_DBT_REALLOC;
		129	}
		130
		131	static void
		132	dbt_to_sv (SV *sv, DBT *dbt)
		133	{
		134	if (sv)
		135	{
		136	SvREADONLY_off (sv);
		137	sv_setpvn_mg (sv, dbt->data, dbt->size);
		138	SvREFCNT_dec (sv);
		139	}
		140
		141	free (dbt->data);
		142	}
		143
56	enum {	144	enum {
57	REQ_QUIT,	145	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	146	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		147	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	148	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		149	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		150	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		151	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		152	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	153	};
61		154
62	typedef struct aio_cb	155	typedef struct bdb_cb
63	{	156	{
64	struct aio_cb *volatile next;	157	struct bdb_cb *volatile next;
65	SV *callback;	158	SV *callback;
66	int type, pri, result;	159	int type, pri, result;
67		160
68	DB_ENV *env;	161	DB_ENV *env;
69	DB *db;	162	DB *db;
70	DB_TXN *txn;	163	DB_TXN *txn;
71	DBC *cursor;	164	DBC *dbc;
		165
		166	UV uv1;
72	int int1, int2;	167	int int1, int2;
73	U32 uint1, uint2;	168	U32 uint1, uint2;
74	char *buf1, *buf2;	169	char *buf1, *buf2, *buf3;
		170	SV *sv1, *sv2, *sv3;
75		171
76	DBT dbt1, dbt2, dbt3;	172	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	173	DB_KEY_RANGE key_range;
		174	#if DB_VERSION_MINOR >= 3
		175	DB_SEQUENCE *seq;
		176	db_seq_t seq_t;
		177	#endif
		178	} bdb_cb;
78		179
79	typedef aio_cb *aio_req;	180	typedef bdb_cb *bdb_req;
80		181
81	enum {	182	enum {
82	PRI_MIN = -4,	183	PRI_MIN = -4,
83	PRI_MAX = 4,	184	PRI_MAX = 4,
84		185
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	188	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	189	};
89		190
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	191	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		192
		193	static SV *on_next_submit;
		194
92	static unsigned int max_poll_time = 0;	195	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	196	static unsigned int max_poll_reqs = 0;
94		197
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	198	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	199	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		204
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	205	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		206
104	static unsigned int started, idle, wanted;	207	static unsigned int started, idle, wanted;
105		208
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 */	209	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	210	static mutex_t wrklock = X_MUTEX_INIT;
117		211
118	typedef struct worker {	212	typedef struct worker {
119	/* locked by wrklock */	213	/* locked by wrklock */
120	struct worker *prev, *next;	214	struct worker *prev, *next;
121		215
122	pthread_t tid;	216	thread_t tid;
123		217
124	/* locked by reslock, reqlock or wrklock */	218	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	219	bdb_req req; /* currently processed request */
126	void *dbuf;	220	void *dbuf;
127	DIR *dirp;	221	DIR *dirp;
128	} worker;	222	} worker;
129		223
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	224	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	236	}
143		237
144	static volatile unsigned int nreqs, nready, npending;	238	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	239	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	240	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	241	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		242
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	243	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	244	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	245	static cond_t reqwait = X_COND_INIT;
152		246
153	#if WORDACCESS_UNSAFE	247	#if WORDACCESS_UNSAFE
154		248
155	static unsigned int get_nready ()	249	static unsigned int get_nready (void)
156	{	250	{
157	unsigned int retval;	251	unsigned int retval;
158		252
159	LOCK (reqlock);	253	X_LOCK (reqlock);
160	retval = nready;	254	retval = nready;
161	UNLOCK (reqlock);	255	X_UNLOCK (reqlock);
162		256
163	return retval;	257	return retval;
164	}	258	}
165		259
166	static unsigned int get_npending ()	260	static unsigned int get_npending (void)
167	{	261	{
168	unsigned int retval;	262	unsigned int retval;
169		263
170	LOCK (reslock);	264	X_LOCK (reslock);
171	retval = npending;	265	retval = npending;
172	UNLOCK (reslock);	266	X_UNLOCK (reslock);
173		267
174	return retval;	268	return retval;
175	}	269	}
176		270
177	static unsigned int get_nthreads ()	271	static unsigned int get_nthreads (void)
178	{	272	{
179	unsigned int retval;	273	unsigned int retval;
180		274
181	LOCK (wrklock);	275	X_LOCK (wrklock);
182	retval = started;	276	retval = started;
183	UNLOCK (wrklock);	277	X_UNLOCK (wrklock);
184		278
185	return retval;	279	return retval;
186	}	280	}
187		281
188	#else	282	#else
…		…
197	* a somewhat faster data structure might be nice, but	291	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	292	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	293	* per shift, the most expensive operation.
200	*/	294	*/
201	typedef struct {	295	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	296	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	297	int size;
204	} reqq;	298	} reqq;
205		299
206	static reqq req_queue;	300	static reqq req_queue;
207	static reqq res_queue;	301	static reqq res_queue;
208		302
209	int reqq_push (reqq *q, aio_req req)	303	int reqq_push (reqq *q, bdb_req req)
210	{	304	{
211	int pri = req->pri;	305	int pri = req->pri;
212	req->next = 0;	306	req->next = 0;
213		307
214	if (q->qe[pri])	308	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	314	q->qe[pri] = q->qs[pri] = req;
221		315
222	return q->size++;	316	return q->size++;
223	}	317	}
224		318
225	aio_req reqq_shift (reqq *q)	319	bdb_req reqq_shift (reqq *q)
226	{	320	{
227	int pri;	321	int pri;
228		322
229	if (!q->size)	323	if (!q->size)
230	return 0;	324	return 0;
231		325
232	--q->size;	326	--q->size;
233		327
234	for (pri = NUM_PRI; pri--; )	328	for (pri = NUM_PRI; pri--; )
235	{	329	{
236	aio_req req = q->qs[pri];	330	bdb_req req = q->qs[pri];
237		331
238	if (req)	332	if (req)
239	{	333	{
240	if (!(q->qs[pri] = req->next))	334	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	335	q->qe[pri] = 0;
…		…
245	}	339	}
246		340
247	abort ();	341	abort ();
248	}	342	}
249		343
250	static int poll_cb ();	344	static int poll_cb (void);
251	static void req_free (aio_req req);	345	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);	346	static void req_cancel (bdb_req req);
253		347
254	static int req_invoke (aio_req req)	348	static int req_invoke (bdb_req req)
255	{	349	{
256	dSP;	350	dSP;
257		351
258	if (SvOK (req->callback))	352	if (req->callback)
259	{	353	{
260	ENTER;	354	ENTER;
261	SAVETMPS;	355	SAVETMPS;
262	PUSHMARK (SP);	356	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		357
265	switch (req->type)	358	switch (req->type)
266	{	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	dbt_to_sv (req->sv3, &req->dbt3);
		367	break;
		368
		369	case REQ_C_GET:
		370	case REQ_C_PGET:
		371	dbt_to_sv (req->sv1, &req->dbt1);
		372	dbt_to_sv (req->sv2, &req->dbt2);
		373	dbt_to_sv (req->sv3, &req->dbt3);
		374	break;
		375
		376	case REQ_DB_PUT:
		377	case REQ_C_PUT:
		378	dbt_to_sv (0, &req->dbt1);
		379	dbt_to_sv (0, &req->dbt2);
		380	break;
		381
		382	case REQ_DB_KEY_RANGE:
		383	{
		384	AV *av = newAV ();
		385
		386	av_push (av, newSVnv (req->key_range.less));
		387	av_push (av, newSVnv (req->key_range.equal));
		388	av_push (av, newSVnv (req->key_range.greater));
		389
		390	SvREADONLY_off (req->sv1);
		391	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		392	SvREFCNT_dec (req->sv1);
		393	}
		394	break;
		395
		396	#if DB_VERSION_MINOR >= 3
		397	case REQ_SEQ_GET:
		398	SvREADONLY_off (req->sv1);
		399
		400	if (sizeof (IV) > 4)
		401	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		402	else
		403	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		404
		405	SvREFCNT_dec (req->sv1);
		406	break;
		407	#endif
267	}	408	}
268		409
269	errno = req->result;	410	errno = req->result;
270		411
271	PUTBACK;	412	PUTBACK;
…		…
277	}	418	}
278		419
279	return !SvTRUE (ERRSV);	420	return !SvTRUE (ERRSV);
280	}	421	}
281		422
282	static void req_free (aio_req req)	423	static void req_free (bdb_req req)
283	{	424	{
		425	SvREFCNT_dec (req->callback);
		426
284	free (req->buf1);	427	free (req->buf1);
285	free (req->buf2);	428	free (req->buf2);
		429	free (req->buf3);
		430
286	Safefree (req);	431	Safefree (req);
287	}	432	}
288		433
289	static void *aio_proc (void *arg);	434	#ifdef USE_SOCKETS_AS_HANDLES
		435	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		436	#else
		437	# define TO_SOCKET(x) (x)
		438	#endif
		439
		440	static void
		441	create_respipe (void)
		442	{
		443	#ifdef _WIN32
		444	int arg; /* argg */
		445	#endif
		446	int old_readfd = respipe [0];
		447
		448	if (respipe [1] >= 0)
		449	respipe_close (TO_SOCKET (respipe [1]));
		450
		451	#ifdef _WIN32
		452	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		453	#else
		454	if (pipe (respipe))
		455	#endif
		456	croak ("unable to initialize result pipe");
		457
		458	if (old_readfd >= 0)
		459	{
		460	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		461	croak ("unable to initialize result pipe(2)");
		462
		463	respipe_close (respipe [0]);
		464	respipe [0] = old_readfd;
		465	}
		466
		467	#ifdef _WIN32
		468	arg = 1;
		469	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		470	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		471	#else
		472	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		473	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		474	#endif
		475	croak ("unable to initialize result pipe(3)");
		476
		477	respipe_osf [0] = TO_SOCKET (respipe [0]);
		478	respipe_osf [1] = TO_SOCKET (respipe [1]);
		479	}
		480
		481	X_THREAD_PROC (bdb_proc);
290		482
291	static void start_thread (void)	483	static void start_thread (void)
292	{	484	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
297		486
298	if (!wrk)	487	if (!wrk)
299	croak ("unable to allocate worker thread data");	488	croak ("unable to allocate worker thread data");
300		489
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);	490	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	491	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	492	{
314	wrk->prev = &wrk_first;	493	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	494	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	495	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	496	wrk_first.next = wrk;
318	++started;	497	++started;
319	}	498	}
320	else	499	else
321	free (wrk);	500	free (wrk);
322		501
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	502	X_UNLOCK (wrklock);
325	}	503	}
326		504
327	static void maybe_start_thread ()	505	static void maybe_start_thread (void)
328	{	506	{
329	if (get_nthreads () >= wanted)	507	if (get_nthreads () >= wanted)
330	return;	508	return;
331		509
332	/* todo: maybe use idle here, but might be less exact */	510	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	512	return;
335		513
336	start_thread ();	514	start_thread ();
337	}	515	}
338		516
339	static void req_send (aio_req req)	517	static void req_send (bdb_req req)
340	{	518	{
341	SV *wait_callback = 0;	519	SV *wait_callback = 0;
342		520
		521	if (on_next_submit)
		522	{
		523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
		528	PUSHMARK (SP);
		529	PUTBACK;
		530	call_sv (cb, G_DISCARD | G_EVAL);
		531	}
		532
343	// synthesize callback if none given	533	// synthesize callback if none given
344	if (!SvOK (req->callback))	534	if (!req->callback)
345	{	535	{
		536	int count;
		537
346	dSP;	538	dSP;
347	PUSHMARK (SP);	539	PUSHMARK (SP);
348	PUTBACK;	540	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	541	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	542	SPAGAIN;
351		543
352	if (count != 2)	544	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	545	croak ("prepare callback must return exactly two values\n");
354		546
355	wait_callback = SvREFCNT_inc (POPs);	547	wait_callback = POPs;
356	SvREFCNT_dec (req->callback);	548	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);	549	req->callback = SvREFCNT_inc (POPs);
358	}	550	}
359		551
360	++nreqs;	552	++nreqs;
361		553
362	LOCK (reqlock);	554	X_LOCK (reqlock);
363	++nready;	555	++nready;
364	reqq_push (&req_queue, req);	556	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	557	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	558	X_UNLOCK (reqlock);
367		559
368	maybe_start_thread ();	560	maybe_start_thread ();
369		561
370	if (wait_callback)	562	if (wait_callback)
371	{	563	{
372	dSP;	564	dSP;
373	PUSHMARK (SP);	565	PUSHMARK (SP);
374	PUTBACK;	566	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	567	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	568	}
378	}	569	}
379		570
380	static void end_thread (void)	571	static void end_thread (void)
381	{	572	{
382	aio_req req;	573	bdb_req req;
383		574
384	Newz (0, req, 1, aio_cb);	575	Newz (0, req, 1, bdb_cb);
385		576
386	req->type = REQ_QUIT;	577	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	578	req->pri = PRI_MAX + PRI_BIAS;
388		579
389	LOCK (reqlock);	580	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	581	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	582	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	583	X_UNLOCK (reqlock);
393		584
394	LOCK (wrklock);	585	X_LOCK (wrklock);
395	--started;	586	--started;
396	UNLOCK (wrklock);	587	X_UNLOCK (wrklock);
397	}	588	}
398		589
399	static void set_max_idle (int nthreads)	590	static void set_max_idle (int nthreads)
400	{	591	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	592	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	593	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	594	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	595	}
405		596
406	static void min_parallel (int nthreads)	597	static void min_parallel (int nthreads)
407	{	598	{
408	if (wanted < nthreads)	599	if (wanted < nthreads)
…		…
416		607
417	while (started > wanted)	608	while (started > wanted)
418	end_thread ();	609	end_thread ();
419	}	610	}
420		611
421	static void poll_wait ()	612	static void poll_wait (void)
422	{	613	{
423	fd_set rfd;	614	fd_set rfd;
424		615
425	while (nreqs)	616	while (nreqs)
426	{	617	{
427	int size;	618	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	619	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	620	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	621	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		622
432	if (size)	623	if (size)
433	return;	624	return;
434		625
435	maybe_start_thread ();	626	maybe_start_thread ();
436		627
437	FD_ZERO(&rfd);	628	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	629	FD_SET (respipe [0], &rfd);
439		630
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	631	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	632	}
442	}	633	}
443		634
444	static int poll_cb ()	635	static int poll_cb (void)
445	{	636	{
446	dSP;	637	dSP;
447	int count = 0;	638	int count = 0;
448	int maxreqs = max_poll_reqs;	639	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	640	int do_croak = 0;
450	struct timeval tv_start, tv_now;	641	struct timeval tv_start, tv_now;
451	aio_req req;	642	bdb_req req;
452		643
453	if (max_poll_time)	644	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	645	gettimeofday (&tv_start, 0);
455		646
456	for (;;)	647	for (;;)
457	{	648	{
458	for (;;)	649	for (;;)
459	{	650	{
460	maybe_start_thread ();	651	maybe_start_thread ();
461		652
462	LOCK (reslock);	653	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	654	req = reqq_shift (&res_queue);
464		655
465	if (req)	656	if (req)
466	{	657	{
467	--npending;	658	--npending;
468		659
469	if (!res_queue.size)	660	if (!res_queue.size)
470	{	661	{
471	/* read any signals sent by the worker threads */	662	/* read any signals sent by the worker threads */
472	char buf [4];	663	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	664	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	665	;
475	}	666	}
476	}	667	}
477		668
478	UNLOCK (reslock);	669	X_UNLOCK (reslock);
479		670
480	if (!req)	671	if (!req)
481	break;	672	break;
482		673
483	--nreqs;	674	--nreqs;
…		…
513	}	704	}
514		705
515	return count;	706	return count;
516	}	707	}
517		708
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	/*****************************************************************************/	709	/*****************************************************************************/
531		710
532	static void *aio_proc (void *thr_arg)	711	X_THREAD_PROC (bdb_proc)
533	{	712	{
534	aio_req req;	713	bdb_req req;
535	struct timespec ts;	714	struct timespec ts;
536	worker *self = (worker *)thr_arg;	715	worker *self = (worker *)thr_arg;
537		716
538	/* try to distribute timeouts somewhat evenly */	717	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	718	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		719
542	for (;;)	720	for (;;)
543	{	721	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	722	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		723
546	LOCK (reqlock);	724	X_LOCK (reqlock);
547		725
548	for (;;)	726	for (;;)
549	{	727	{
550	self->req = req = reqq_shift (&req_queue);	728	self->req = req = reqq_shift (&req_queue);
551		729
552	if (req)	730	if (req)
553	break;	731	break;
554		732
555	++idle;	733	++idle;
556		734
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	735	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	736	== ETIMEDOUT)
559	{	737	{
560	if (idle > max_idle)	738	if (idle > max_idle)
561	{	739	{
562	--idle;	740	--idle;
563	UNLOCK (reqlock);	741	X_UNLOCK (reqlock);
564	LOCK (wrklock);	742	X_LOCK (wrklock);
565	--started;	743	--started;
566	UNLOCK (wrklock);	744	X_UNLOCK (wrklock);
567	goto quit;	745	goto quit;
568	}	746	}
569		747
570	/* we are allowed to idle, so do so without any timeout */	748	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	749	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	750	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	751	}
574		752
575	--idle;	753	--idle;
576	}	754	}
577		755
578	--nready;	756	--nready;
579		757
580	UNLOCK (reqlock);	758	X_UNLOCK (reqlock);
581		759
582	switch (req->type)	760	switch (req->type)
583	{	761	{
584	case REQ_QUIT:	762	case REQ_QUIT:
		763	req->result = ENOSYS;
585	goto quit;	764	goto quit;
586		765
587	case REQ_ENV_OPEN:	766	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	767	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	768	break;
590		769
591	case REQ_ENV_CLOSE:	770	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	771	req->result = req->env->close (req->env, req->uint1);
593	break;	772	break;
594		773
		774	case REQ_ENV_TXN_CHECKPOINT:
		775	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		776	break;
		777
		778	case REQ_ENV_LOCK_DETECT:
		779	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		780	break;
		781
		782	case REQ_ENV_MEMP_SYNC:
		783	req->result = req->env->memp_sync (req->env, 0);
		784	break;
		785
		786	case REQ_ENV_MEMP_TRICKLE:
		787	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		788	break;
		789
		790	case REQ_ENV_DBREMOVE:
		791	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		792	break;
		793
		794	case REQ_ENV_DBRENAME:
		795	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		796	break;
		797
595	case REQ_DB_OPEN:	798	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	799	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	800	break;
598		801
599	case REQ_DB_CLOSE:	802	case REQ_DB_CLOSE:
600	req->result = req->db->close (req->db, req->uint1);	803	req->result = req->db->close (req->db, req->uint1);
601	break;	804	break;
602		805
		806	#if DB_VERSION_MINOR >= 4
603	case REQ_DB_COMPACT:	807	case REQ_DB_COMPACT:
604	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	808	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
605	break;	809	break;
		810	#endif
606		811
607	case REQ_DB_SYNC:	812	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);	813	req->result = req->db->sync (req->db, req->uint1);
609	break;	814	break;
610		815
		816	case REQ_DB_UPGRADE:
		817	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		818	break;
		819
611	case REQ_DB_PUT:	820	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	821	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	822	break;
614		823
		824	#if DB_VERSION_MINOR >= 6
		825	case REQ_DB_EXISTS:
		826	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		827	break;
		828	#endif
		829	case REQ_DB_GET:
		830	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		831	break;
		832
		833	case REQ_DB_PGET:
		834	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		835	break;
		836
		837	case REQ_DB_DEL:
		838	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		839	break;
		840
		841	case REQ_DB_KEY_RANGE:
		842	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		843	break;
		844
		845	case REQ_TXN_COMMIT:
		846	req->result = req->txn->commit (req->txn, req->uint1);
		847	break;
		848
		849	case REQ_TXN_ABORT:
		850	req->result = req->txn->abort (req->txn);
		851	break;
		852
		853	case REQ_TXN_FINISH:
		854	if (req->txn->flags & TXN_DEADLOCK)
		855	{
		856	req->result = req->txn->abort (req->txn);
		857	if (!req->result)
		858	req->result = DB_LOCK_DEADLOCK;
		859	}
		860	else
		861	req->result = req->txn->commit (req->txn, req->uint1);
		862	break;
		863
		864	case REQ_C_CLOSE:
		865	req->result = req->dbc->c_close (req->dbc);
		866	break;
		867
		868	case REQ_C_COUNT:
		869	{
		870	db_recno_t recno;
		871	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		872	req->uv1 = recno;
		873	}
		874	break;
		875
		876	case REQ_C_PUT:
		877	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		878	break;
		879
		880	case REQ_C_GET:
		881	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		882	break;
		883
		884	case REQ_C_PGET:
		885	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		886	break;
		887
		888	case REQ_C_DEL:
		889	req->result = req->dbc->c_del (req->dbc, req->uint1);
		890	break;
		891
		892	#if DB_VERSION_MINOR >= 3
		893	case REQ_SEQ_OPEN:
		894	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		895	break;
		896
		897	case REQ_SEQ_CLOSE:
		898	req->result = req->seq->close (req->seq, req->uint1);
		899	break;
		900
		901	case REQ_SEQ_GET:
		902	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		903	break;
		904
		905	case REQ_SEQ_REMOVE:
		906	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		907	break;
		908	#endif
		909
615	default:	910	default:
616	req->result = ENOSYS;	911	req->result = ENOSYS;
617	break;	912	break;
618	}	913	}
619		914
		915	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		916	req->txn->flags |= TXN_DEADLOCK;
		917
620	LOCK (reslock);	918	X_LOCK (reslock);
621		919
622	++npending;	920	++npending;
623		921
624	if (!reqq_push (&res_queue, req))	922	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	923	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	924	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		925
628	self->req = 0;	926	self->req = 0;
629	worker_clear (self);	927	worker_clear (self);
630		928
631	UNLOCK (reslock);	929	X_UNLOCK (reslock);
632	}	930	}
633		931
634	quit:	932	quit:
635	LOCK (wrklock);	933	X_LOCK (wrklock);
636	worker_free (self);	934	worker_free (self);
637	UNLOCK (wrklock);	935	X_UNLOCK (wrklock);
638		936
639	return 0;	937	return 0;
640	}	938	}
641		939
642	/*****************************************************************************/	940	/*****************************************************************************/
643		941
644	static void atfork_prepare (void)	942	static void atfork_prepare (void)
645	{	943	{
646	LOCK (wrklock);	944	X_LOCK (wrklock);
647	LOCK (reqlock);	945	X_LOCK (reqlock);
648	LOCK (reslock);	946	X_LOCK (reslock);
649	}	947	}
650		948
651	static void atfork_parent (void)	949	static void atfork_parent (void)
652	{	950	{
653	UNLOCK (reslock);	951	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	952	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	953	X_UNLOCK (wrklock);
656	}	954	}
657		955
658	static void atfork_child (void)	956	static void atfork_child (void)
659	{	957	{
660	aio_req prv;	958	bdb_req prv;
661		959
662	while (prv = reqq_shift (&req_queue))	960	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	961	req_free (prv);
664		962
665	while (prv = reqq_shift (&res_queue))	963	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	978	idle = 0;
681	nreqs = 0;	979	nreqs = 0;
682	nready = 0;	980	nready = 0;
683	npending = 0;	981	npending = 0;
684		982
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	983	create_respipe ();
688		984
689	atfork_parent ();	985	atfork_parent ();
690	}	986	}
691		987
692	#define dREQ(reqtype) \	988	#define dREQ(reqtype) \
693	aio_req req; \	989	bdb_req req; \
694	int req_pri = next_pri; \	990	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	991	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	992	\
697	if (SvOK (callback) && !SvROK (callback)) \	993	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	994	croak ("callback has illegal type or extra arguments"); \
699	\	995	\
700	Newz (0, req, 1, aio_cb); \	996	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	997	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	998	croak ("out of memory during bdb_req allocation"); \
703	\	999	\
704	req->callback = newSVsv (callback); \	1000	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
705	req->type = (reqtype); \	1001	req->type = (reqtype); \
706	req->pri = req_pri	1002	req->pri = req_pri
707		1003
708	#define REQ_SEND \	1004	#define REQ_SEND \
709	req_send (req)	1005	req_send (req)
710		1006
711	#define SvPTR(var, arg, type, class) \	1007	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	1008	if (!SvOK (arg)) \
		1009	{ \
		1010	if (nullok != 1) \
		1011	croak (# var " must be a " # class " object, not undef"); \
		1012	\
713	(var) = 0; \	1013	(var) = 0; \
		1014	} \
714	else if (sv_derived_from ((arg), # class)) \	1015	else if (sv_derived_from ((arg), # class)) \
715	{ \	1016	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	1017	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1018	(var) = INT2PTR (type, tmp); \
		1019	if (!var && nullok != 2) \
		1020	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1021	} \
719	else \	1022	else \
720	Perl_croak (# var " is not of type " # class)	1023	croak (# var " is not of type " # class);
721		1024
722	inline void	1025	static void
723	set_dbt (DBT *dbt, SV *sv)	1026	ptr_nuke (SV *sv)
724	{	1027	{
725	STRLEN len;	1028	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	1029	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	1030	}
732		1031
		1032	static int
		1033	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1034	{
		1035	if (*mg->mg_ptr == '!') // should always be the case
		1036	if (-30999 <= errno && errno <= -30800)
		1037	{
		1038	sv_setnv (sv, (NV)errno);
		1039	sv_setpv (sv, db_strerror (errno));
		1040	SvNOK_on (sv); /* what a wonderful hack! */
		1041	// ^^^ copied from perl sources
		1042	return 0;
		1043	}
		1044
		1045	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1046	}
		1047
		1048	static MGVTBL vtbl_errno;
		1049
		1050	// this wonderful hack :( patches perl's $! variable to support our errno values
		1051	static void
		1052	patch_errno (void)
		1053	{
		1054	SV *sv;
		1055	MAGIC *mg;
		1056
		1057	if (!(sv = get_sv ("!", 1)))
		1058	return;
		1059
		1060	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1061	return;
		1062
		1063	if (mg->mg_virtual != &PL_vtbl_sv)
		1064	return;
		1065
		1066	vtbl_errno = PL_vtbl_sv;
		1067	vtbl_errno.svt_get = errno_get;
		1068	mg->mg_virtual = &vtbl_errno;
		1069	}
		1070
		1071	#if __GNUC__ >= 4
		1072	# define noinline __attribute__ ((noinline))
		1073	#else
		1074	# define noinline
		1075	#endif
		1076
		1077	static noinline SV *
		1078	pop_callback (I32 *ritems, SV *sv)
		1079	{
		1080	if (SvROK (sv))
		1081	{
		1082	HV *st;
		1083	GV *gvp;
		1084	CV *cv;
		1085	const char *name;
		1086
		1087	/* forgive me */
		1088	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1089	&& (st = SvSTASH (SvRV (sv)))
		1090	&& (name = HvNAME_get (st))
		1091	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1092	return 0;
		1093
		1094	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1095	{
		1096	--*ritems;
		1097	return (SV *)cv;
		1098	}
		1099	}
		1100
		1101	return 0;
		1102	}
		1103
		1104	/* stupid windoes defined CALLBACK as well */
		1105	#undef CALLBACK
		1106	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1107
733	MODULE = BDB PACKAGE = BDB	1108	MODULE = BDB PACKAGE = BDB
734		1109
735	PROTOTYPES: ENABLE	1110	PROTOTYPES: ENABLE
736		1111
737	BOOT:	1112	BOOT:
…		…
752	const_iv (INIT_TXN)	1127	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1128	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1129	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1130	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1131	const_iv (CREATE)
		1132	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1133	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1134	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1135	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1136	const_iv (PRIVATE)
761	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1137	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1138	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1139	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1140	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)	1141	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1142	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1143	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1144	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1145	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1146	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1147	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1148	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1149	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1150	const_iv (TXN_WRITE_NOSYNC)
		1151	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1152	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1153	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1154	const_iv (XA_CREATE)
785	const_iv (BTREE)	1155	const_iv (BTREE)
786	const_iv (HASH)	1156	const_iv (HASH)
787	const_iv (QUEUE)	1157	const_iv (QUEUE)
788	const_iv (RECNO)	1158	const_iv (RECNO)
789	const_iv (UNKNOWN)	1159	const_iv (UNKNOWN)
790	const_iv (EXCL)	1160	const_iv (EXCL)
791	const_iv (READ_COMMITTED)
792	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1161	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1162	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1163	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1164	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1165	const_iv (DUP)
799	const_iv (DUPSORT)	1166	const_iv (DUPSORT)
800	const_iv (RECNUM)	1167	const_iv (RECNUM)
801	const_iv (RENUMBER)	1168	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1169	const_iv (REVSPLITOFF)
803	const_iv (INORDER)
804	const_iv (CONSUME)	1170	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1171	const_iv (CONSUME_WAIT)
		1172	const_iv (GET_BOTH)
		1173	const_iv (GET_BOTH_RANGE)
		1174	//const_iv (SET_RECNO)
		1175	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1176	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1177	const_iv (JOIN_ITEM)
		1178	const_iv (JOIN_NOSORT)
808	const_iv (RMW)	1179	const_iv (RMW)
809		1180
810	const_iv (NOTFOUND)	1181	const_iv (NOTFOUND)
811	const_iv (KEYEMPTY)	1182	const_iv (KEYEMPTY)
812	const_iv (LOCK_DEADLOCK)	1183	const_iv (LOCK_DEADLOCK)
813	const_iv (LOCK_NOTGRANTED)	1184	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1185	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1186	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1187	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1188	const_iv (SECONDARY_BAD)
818
819	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)
821		1189
822	const_iv (APPEND)	1190	const_iv (APPEND)
823	const_iv (NODUPDATA)	1191	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1192	const_iv (NOOVERWRITE)
825		1193
826	const_iv (TXN_NOWAIT)	1194	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1195	const_iv (TXN_SYNC)
829		1196
830	const_iv (SET_LOCK_TIMEOUT)	1197	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1198	const_iv (SET_TXN_TIMEOUT)
		1199
		1200	const_iv (FIRST)
		1201	const_iv (NEXT)
		1202	const_iv (NEXT_DUP)
		1203	const_iv (NEXT_NODUP)
		1204	const_iv (PREV)
		1205	const_iv (PREV_NODUP)
		1206	const_iv (SET)
		1207	const_iv (SET_RANGE)
		1208	const_iv (LAST)
		1209	const_iv (BEFORE)
		1210	const_iv (AFTER)
		1211	const_iv (CURRENT)
		1212	const_iv (KEYFIRST)
		1213	const_iv (KEYLAST)
		1214	const_iv (NODUPDATA)
		1215
		1216	const_iv (FORCE)
		1217
		1218	const_iv (LOCK_DEFAULT)
		1219	const_iv (LOCK_EXPIRE)
		1220	const_iv (LOCK_MAXLOCKS)
		1221	const_iv (LOCK_MINLOCKS)
		1222	const_iv (LOCK_MINWRITE)
		1223	const_iv (LOCK_OLDEST)
		1224	const_iv (LOCK_RANDOM)
		1225	const_iv (LOCK_YOUNGEST)
		1226
		1227	const_iv (DONOTINDEX)
		1228	const_iv (KEYEMPTY )
		1229	const_iv (KEYEXIST )
		1230	const_iv (LOCK_DEADLOCK)
		1231	const_iv (LOCK_NOTGRANTED)
		1232	const_iv (NOSERVER)
		1233	const_iv (NOSERVER_HOME)
		1234	const_iv (NOSERVER_ID)
		1235	const_iv (NOTFOUND)
		1236	const_iv (PAGE_NOTFOUND)
		1237	const_iv (REP_DUPMASTER)
		1238	const_iv (REP_HANDLE_DEAD)
		1239	const_iv (REP_HOLDELECTION)
		1240	const_iv (REP_ISPERM)
		1241	const_iv (REP_NEWMASTER)
		1242	const_iv (REP_NEWSITE)
		1243	const_iv (REP_NOTPERM)
		1244	const_iv (REP_UNAVAIL)
		1245	const_iv (RUNRECOVERY)
		1246	const_iv (SECONDARY_BAD)
		1247	const_iv (VERIFY_BAD)
		1248
		1249	const_iv (VERB_DEADLOCK)
		1250	const_iv (VERB_RECOVERY)
		1251	const_iv (VERB_REPLICATION)
		1252	const_iv (VERB_WAITSFOR)
		1253
		1254	const_iv (VERSION_MAJOR)
		1255	const_iv (VERSION_MINOR)
		1256	const_iv (VERSION_PATCH)
		1257	#if DB_VERSION_MINOR >= 3
		1258	const_iv (INORDER)
		1259	const_iv (LOCK_MAXWRITE)
		1260	const_iv (SEQ_DEC)
		1261	const_iv (SEQ_INC)
		1262	const_iv (SEQ_WRAP)
		1263	const_iv (BUFFER_SMALL)
		1264	const_iv (LOG_BUFFER_FULL)
		1265	const_iv (VERSION_MISMATCH)
		1266	#endif
		1267	#if DB_VERSION_MINOR >= 4
		1268	const_iv (REGISTER)
		1269	const_iv (DSYNC_DB)
		1270	const_iv (READ_COMMITTED)
		1271	const_iv (READ_UNCOMMITTED)
		1272	const_iv (REP_IGNORE)
		1273	const_iv (REP_LOCKOUT)
		1274	const_iv (REP_JOIN_FAILURE)
		1275	const_iv (FREE_SPACE)
		1276	const_iv (FREELIST_ONLY)
		1277	const_iv (VERB_REGISTER)
		1278	#endif
		1279	#if DB_VERSION_MINOR >= 5
		1280	const_iv (MULTIVERSION)
		1281	const_iv (TXN_SNAPSHOT)
		1282	#endif
		1283	#if DB_VERSION_MINOR >= 6
		1284	const_iv (PREV_DUP)
		1285	const_iv (PRIORITY_UNCHANGED)
		1286	const_iv (PRIORITY_VERY_LOW)
		1287	const_iv (PRIORITY_LOW)
		1288	const_iv (PRIORITY_DEFAULT)
		1289	const_iv (PRIORITY_HIGH)
		1290	const_iv (PRIORITY_VERY_HIGH)
		1291	#endif
		1292	#if DB_VERSION_MINOR >= 7
		1293	const_iv (LOG_DIRECT)
		1294	const_iv (LOG_DSYNC)
		1295	const_iv (LOG_AUTO_REMOVE)
		1296	const_iv (LOG_IN_MEMORY)
		1297	const_iv (LOG_ZERO)
		1298	#else
		1299	const_iv (DIRECT_LOG)
		1300	const_iv (LOG_AUTOREMOVE)
		1301	# if DB_VERSION_MINOR >= 3
		1302	const_iv (DSYNC_LOG)
		1303	const_iv (LOG_INMEMORY)
		1304	# endif
		1305	#endif
832	};	1306	};
833		1307
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1308	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1309	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1310
837	create_pipe ();	1311	{
		1312	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1313	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1314
		1315	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1316	}
		1317
		1318	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1319
		1320	create_respipe ();
		1321
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1322	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1323	patch_errno ();
839	}	1324	}
840		1325
841	void	1326	void
842	max_poll_reqs (int nreqs)	1327	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1328	PROTOTYPE: $
…		…
962		1447
963	int	1448	int
964	nthreads ()	1449	nthreads ()
965	PROTOTYPE:	1450	PROTOTYPE:
966	CODE:	1451	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1452	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1453	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1454	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1455	OUTPUT:
971	RETVAL	1456	RETVAL
972		1457
973	void	1458	void
974	set_sync_prepare (SV *cb)	1459	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1460	PROTOTYPE: &
976	CODE:	1461	CODE:
977	SvREFCNT_dec (prepare_cb);	1462	SvREFCNT_dec (prepare_cb);
978	prepare_cb = newSVsv (cb);	1463	prepare_cb = newSVsv (cb);
		1464
		1465	char *
		1466	strerror (int errorno = errno)
		1467	PROTOTYPE: ;$
		1468	CODE:
		1469	RETVAL = db_strerror (errorno);
		1470	OUTPUT:
		1471	RETVAL
		1472
		1473	void _on_next_submit (SV *cb)
		1474	CODE:
		1475	SvREFCNT_dec (on_next_submit);
		1476	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
979		1477
980	DB_ENV *	1478	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1479	db_env_create (U32 env_flags = 0)
982	CODE:	1480	CODE:
983	{	1481	{
984	errno = db_env_create (&RETVAL, env_flags);	1482	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1483	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1484	croak ("db_env_create: %s", db_strerror (errno));
		1485
		1486	if (0)
		1487	{
		1488	RETVAL->set_errcall (RETVAL, debug_errcall);
		1489	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1490	}
987	}	1491	}
988	OUTPUT:	1492	OUTPUT:
989	RETVAL	1493	RETVAL
990		1494
991	void	1495	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1496	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1497	PREINIT:
		1498	CALLBACK
993	CODE:	1499	CODE:
994	{	1500	{
995	dREQ (REQ_ENV_OPEN);	1501	dREQ (REQ_ENV_OPEN);
996	req->env = env;	1502	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1503	req->uint1 = open_flags | DB_THREAD;
…		…
999	req->buf1 = strdup_ornull (db_home);	1505	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1506	REQ_SEND;
1001	}	1507	}
1002		1508
1003	void	1509	void
1004	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1510	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1511	PREINIT:
		1512	CALLBACK
1005	CODE:	1513	CODE:
1006	{	1514	{
1007	dREQ (REQ_ENV_CLOSE);	1515	dREQ (REQ_ENV_CLOSE);
1008	req->env = env;	1516	req->env = env;
1009	req->uint1 = flags;	1517	req->uint1 = flags;
1010	REQ_SEND;	1518	REQ_SEND;
		1519	ptr_nuke (ST (0));
		1520	}
		1521
		1522	void
		1523	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1524	PREINIT:
		1525	CALLBACK
		1526	CODE:
		1527	{
		1528	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1529	req->env = env;
		1530	req->uint1 = kbyte;
		1531	req->int1 = min;
		1532	req->uint2 = flags;
		1533	REQ_SEND;
		1534	}
		1535
		1536	void
		1537	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1538	PREINIT:
		1539	CALLBACK
		1540	CODE:
		1541	{
		1542	dREQ (REQ_ENV_LOCK_DETECT);
		1543	req->env = env;
		1544	req->uint1 = flags;
		1545	req->uint2 = atype;
		1546	/* req->int2 = 0; dummy */
		1547	REQ_SEND;
		1548	}
		1549
		1550	void
		1551	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1552	PREINIT:
		1553	CALLBACK
		1554	CODE:
		1555	{
		1556	dREQ (REQ_ENV_MEMP_SYNC);
		1557	req->env = env;
		1558	REQ_SEND;
		1559	}
		1560
		1561	void
		1562	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1563	PREINIT:
		1564	CALLBACK
		1565	CODE:
		1566	{
		1567	dREQ (REQ_ENV_MEMP_TRICKLE);
		1568	req->env = env;
		1569	req->int1 = percent;
		1570	REQ_SEND;
		1571	}
		1572
		1573	void
		1574	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
		1577	CODE:
		1578	{
		1579	dREQ (REQ_ENV_DBREMOVE);
		1580	req->env = env;
		1581	req->buf1 = strdup_ornull (file);
		1582	req->buf2 = strdup_ornull (database);
		1583	req->uint1 = flags;
		1584	REQ_SEND;
		1585	}
		1586
		1587	void
		1588	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)
		1589	PREINIT:
		1590	CALLBACK
		1591	CODE:
		1592	{
		1593	dREQ (REQ_ENV_DBRENAME);
		1594	req->env = env;
		1595	req->buf1 = strdup_ornull (file);
		1596	req->buf2 = strdup_ornull (database);
		1597	req->buf3 = strdup_ornull (newname);
		1598	req->uint1 = flags;
		1599	REQ_SEND;
1011	}	1600	}
1012		1601
1013	DB *	1602	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1603	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1604	CODE:
1016	{	1605	{
1017	errno = db_create (&RETVAL, env, flags);	1606	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1607	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1608	croak ("db_create: %s", db_strerror (errno));
		1609
		1610	if (RETVAL)
		1611	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1612	}
1021	OUTPUT:	1613	OUTPUT:
1022	RETVAL	1614	RETVAL
1023		1615
1024	void	1616	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1617	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
1026	CODE:	1620	CODE:
1027	{	1621	{
1028	dREQ (REQ_DB_OPEN);	1622	dREQ (REQ_DB_OPEN);
1029	req->db = db;	1623	req->db = db;
1030	req->txn = txnid;	1624	req->txn = txnid;
…		…
1035	req->int2 = mode;	1629	req->int2 = mode;
1036	REQ_SEND;	1630	REQ_SEND;
1037	}	1631	}
1038		1632
1039	void	1633	void
1040	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1634	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1635	PREINIT:
		1636	CALLBACK
1041	CODE:	1637	CODE:
1042	{	1638	{
1043	dREQ (REQ_DB_CLOSE);	1639	dREQ (REQ_DB_CLOSE);
1044	req->db = db;	1640	req->db = db;
1045	req->uint1 = flags;	1641	req->uint1 = flags;
		1642	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1643	REQ_SEND;
		1644	ptr_nuke (ST (0));
1047	}	1645	}
1048		1646
		1647	#if DB_VERSION_MINOR >= 4
		1648
1049	void	1649	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)	1650	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)
		1651	PREINIT:
		1652	CALLBACK
1051	CODE:	1653	CODE:
1052	{	1654	{
1053	dREQ (REQ_DB_COMPACT);	1655	dREQ (REQ_DB_COMPACT);
1054	req->db = db;	1656	req->db = db;
1055	req->txn = txn;	1657	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1658	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1659	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1660	req->uint1 = flags;
1059	REQ_SEND;	1661	REQ_SEND;
1060	}	1662	}
1061		1663
		1664	#endif
		1665
1062	void	1666	void
1063	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1667	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1668	PREINIT:
		1669	CALLBACK
1064	CODE:	1670	CODE:
1065	{	1671	{
1066	dREQ (REQ_DB_SYNC);	1672	dREQ (REQ_DB_SYNC);
1067	req->db = db;	1673	req->db = db;
1068	req->uint1 = flags;	1674	req->uint1 = flags;
1069	REQ_SEND;	1675	REQ_SEND;
1070	}	1676	}
1071		1677
1072	void	1678	void
		1679	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
		1682	CODE:
		1683	{
		1684	dREQ (REQ_DB_SYNC);
		1685	req->db = db;
		1686	req->buf1 = strdup (file);
		1687	req->uint1 = flags;
		1688	REQ_SEND;
		1689	}
		1690
		1691	void
		1692	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
		1695	CODE:
		1696	{
		1697	dREQ (REQ_DB_KEY_RANGE);
		1698	req->db = db;
		1699	req->txn = txn;
		1700	sv_to_dbt (&req->dbt1, key);
		1701	req->uint1 = flags;
		1702	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1703	REQ_SEND;
		1704	}
		1705
		1706	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1074	CODE:	1710	CODE:
1075	{	1711	{
1076	dREQ (REQ_DB_PUT);	1712	dREQ (REQ_DB_PUT);
1077	req->db = db;	1713	req->db = db;
1078	req->txn = 0;	1714	req->txn = txn;
1079	set_dbt (&req->dbt1, key);	1715	sv_to_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);	1716	sv_to_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1717	req->uint1 = flags;
1082	REQ_SEND;	1718	REQ_SEND;
1083	}	1719	}
1084		1720
		1721	#if DB_VERSION_MINOR >= 6
		1722
		1723	void
		1724	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1725	PREINIT:
		1726	CALLBACK
		1727	CODE:
		1728	{
		1729	dREQ (REQ_DB_EXISTS);
		1730	req->db = db;
		1731	req->txn = txn;
		1732	req->uint1 = flags;
		1733	sv_to_dbt (&req->dbt1, key);
		1734	REQ_SEND;
		1735	}
		1736
		1737	#endif
		1738
		1739	void
		1740	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1741	PREINIT:
		1742	CALLBACK
		1743	CODE:
		1744	if (SvREADONLY (data))
		1745	croak ("can't modify read-only data scalar in db_get");
		1746	{
		1747	dREQ (REQ_DB_GET);
		1748	req->db = db;
		1749	req->txn = txn;
		1750	req->uint1 = flags;
		1751	sv_to_dbt (&req->dbt1, key);
		1752	req->dbt3.flags = DB_DBT_MALLOC;
		1753	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1754	REQ_SEND;
		1755	}
		1756
		1757	void
		1758	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1759	PREINIT:
		1760	CALLBACK
		1761	CODE:
		1762	if (SvREADONLY (data))
		1763	croak ("can't modify read-only data scalar in db_pget");
		1764	{
		1765	dREQ (REQ_DB_PGET);
		1766	req->db = db;
		1767	req->txn = txn;
		1768	req->uint1 = flags;
		1769	sv_to_dbt (&req->dbt1, key);
		1770	sv_to_dbt (&req->dbt2, pkey);
		1771	req->dbt3.flags = DB_DBT_MALLOC;
		1772	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1773	REQ_SEND;
		1774	}
		1775
		1776	void
		1777	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1778	PREINIT:
		1779	CALLBACK
		1780	CODE:
		1781	{
		1782	dREQ (REQ_DB_DEL);
		1783	req->db = db;
		1784	req->txn = txn;
		1785	req->uint1 = flags;
		1786	sv_to_dbt (&req->dbt1, key);
		1787	REQ_SEND;
		1788	}
		1789
		1790	void
		1791	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1792	PREINIT:
		1793	CALLBACK
		1794	CODE:
		1795	{
		1796	dREQ (REQ_TXN_COMMIT);
		1797	req->txn = txn;
		1798	req->uint1 = flags;
		1799	REQ_SEND;
		1800	ptr_nuke (ST (0));
		1801	}
		1802
		1803	void
		1804	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1805	PREINIT:
		1806	CALLBACK
		1807	CODE:
		1808	{
		1809	dREQ (REQ_TXN_ABORT);
		1810	req->txn = txn;
		1811	REQ_SEND;
		1812	ptr_nuke (ST (0));
		1813	}
		1814
		1815	void
		1816	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
		1819	CODE:
		1820	{
		1821	dREQ (REQ_TXN_FINISH);
		1822	req->txn = txn;
		1823	req->uint1 = flags;
		1824	REQ_SEND;
		1825	ptr_nuke (ST (0));
		1826	}
		1827
		1828	void
		1829	db_c_close (DBC *dbc, SV *callback = 0)
		1830	PREINIT:
		1831	CALLBACK
		1832	CODE:
		1833	{
		1834	dREQ (REQ_C_CLOSE);
		1835	req->dbc = dbc;
		1836	REQ_SEND;
		1837	ptr_nuke (ST (0));
		1838	}
		1839
		1840	void
		1841	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
		1844	CODE:
		1845	{
		1846	dREQ (REQ_C_COUNT);
		1847	req->dbc = dbc;
		1848	req->sv1 = SvREFCNT_inc (count);
		1849	REQ_SEND;
		1850	}
		1851
		1852	void
		1853	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_C_PUT);
		1859	req->dbc = dbc;
		1860	sv_to_dbt (&req->dbt1, key);
		1861	sv_to_dbt (&req->dbt2, data);
		1862	req->uint1 = flags;
		1863	REQ_SEND;
		1864	}
		1865
		1866	void
		1867	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1868	PREINIT:
		1869	CALLBACK
		1870	CODE:
		1871	{
		1872	dREQ (REQ_C_GET);
		1873	req->dbc = dbc;
		1874	req->uint1 = flags;
		1875	if ((flags & DB_SET) == DB_SET
		1876	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1877	sv_to_dbt (&req->dbt1, key);
		1878	else
		1879	req->dbt1.flags = DB_DBT_MALLOC;
		1880
		1881	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1882
		1883	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1884	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1885	sv_to_dbt (&req->dbt3, data);
		1886	else
		1887	req->dbt3.flags = DB_DBT_MALLOC;
		1888
		1889	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1890	REQ_SEND;
		1891	}
		1892
		1893	void
		1894	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1895	PREINIT:
		1896	CALLBACK
		1897	CODE:
		1898	{
		1899	dREQ (REQ_C_PGET);
		1900	req->dbc = dbc;
		1901	req->uint1 = flags;
		1902	if ((flags & DB_SET) == DB_SET
		1903	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1904	sv_to_dbt (&req->dbt1, key);
		1905	else
		1906	req->dbt1.flags = DB_DBT_MALLOC;
		1907
		1908	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1909
		1910	req->dbt2.flags = DB_DBT_MALLOC;
		1911	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1912
		1913	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1914	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1915	sv_to_dbt (&req->dbt3, data);
		1916	else
		1917	req->dbt3.flags = DB_DBT_MALLOC;
		1918
		1919	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1920	REQ_SEND;
		1921	}
		1922
		1923	void
		1924	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1925	PREINIT:
		1926	CALLBACK
		1927	CODE:
		1928	{
		1929	dREQ (REQ_C_DEL);
		1930	req->dbc = dbc;
		1931	req->uint1 = flags;
		1932	REQ_SEND;
		1933	}
		1934
		1935
		1936	#if DB_VERSION_MINOR >= 3
		1937
		1938	void
		1939	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1940	PREINIT:
		1941	CALLBACK
		1942	CODE:
		1943	{
		1944	dREQ (REQ_SEQ_OPEN);
		1945	req->seq = seq;
		1946	req->txn = txnid;
		1947	req->uint1 = flags | DB_THREAD;
		1948	sv_to_dbt (&req->dbt1, key);
		1949	REQ_SEND;
		1950	}
		1951
		1952	void
		1953	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1954	PREINIT:
		1955	CALLBACK
		1956	CODE:
		1957	{
		1958	dREQ (REQ_SEQ_CLOSE);
		1959	req->seq = seq;
		1960	req->uint1 = flags;
		1961	REQ_SEND;
		1962	ptr_nuke (ST (0));
		1963	}
		1964
		1965	void
		1966	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1967	PREINIT:
		1968	CALLBACK
		1969	CODE:
		1970	{
		1971	dREQ (REQ_SEQ_GET);
		1972	req->seq = seq;
		1973	req->txn = txnid;
		1974	req->int1 = delta;
		1975	req->uint1 = flags;
		1976	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1977	REQ_SEND;
		1978	}
		1979
		1980	void
		1981	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1982	PREINIT:
		1983	CALLBACK
		1984	CODE:
		1985	{
		1986	dREQ (REQ_SEQ_REMOVE);
		1987	req->seq = seq;
		1988	req->txn = txnid;
		1989	req->uint1 = flags;
		1990	REQ_SEND;
		1991	}
		1992
		1993	#endif
		1994
1085		1995
1086	MODULE = BDB PACKAGE = BDB::Env	1996	MODULE = BDB PACKAGE = BDB::Env
1087		1997
		1998	void
		1999	DESTROY (DB_ENV_ornuked *env)
		2000	CODE:
		2001	if (env)
		2002	env->close (env, 0);
		2003
		2004	int set_data_dir (DB_ENV *env, const char *dir)
		2005	CODE:
		2006	RETVAL = env->set_data_dir (env, dir);
		2007	OUTPUT:
		2008	RETVAL
		2009
		2010	int set_tmp_dir (DB_ENV *env, const char *dir)
		2011	CODE:
		2012	RETVAL = env->set_tmp_dir (env, dir);
		2013	OUTPUT:
		2014	RETVAL
		2015
		2016	int set_lg_dir (DB_ENV *env, const char *dir)
		2017	CODE:
		2018	RETVAL = env->set_lg_dir (env, dir);
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	int set_shm_key (DB_ENV *env, long shm_key)
		2023	CODE:
		2024	RETVAL = env->set_shm_key (env, shm_key);
		2025	OUTPUT:
		2026	RETVAL
		2027
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2028	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	2029	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2030	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	2031	OUTPUT:
1092	RETVAL	2032	RETVAL
1093		2033
1094	int set_flags (DB_ENV *env, U32 flags, int onoff)	2034	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1095	CODE:	2035	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	2036	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	2037	OUTPUT:
1098	RETVAL	2038	RETVAL
1099		2039
		2040	#if DB_VERSION_MINOR >= 7
		2041
		2042	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2043	CODE:
		2044	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2045	OUTPUT:
		2046	RETVAL
		2047
		2048	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2049	CODE:
		2050	RETVAL = env->log_set_config (env, flags, onoff);
		2051	OUTPUT:
		2052	RETVAL
		2053
		2054	#endif
		2055
		2056
		2057	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2058	CODE:
		2059	env->set_errfile (env, errfile);
		2060
		2061	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2062	CODE:
		2063	env->set_msgfile (env, msgfile);
		2064
		2065	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2066	CODE:
		2067	RETVAL = env->set_verbose (env, which, onoff);
		2068	OUTPUT:
		2069	RETVAL
		2070
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2071	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	2072	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	2073	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	2074	OUTPUT:
1104	RETVAL	2075	RETVAL
1105		2076
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2077	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	2078	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2079	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	2080	OUTPUT:
1110	RETVAL	2081	RETVAL
1111		2082
		2083	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2084	CODE:
		2085	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2086	OUTPUT:
		2087	RETVAL
		2088
		2089	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2090	CODE:
		2091	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2092	OUTPUT:
		2093	RETVAL
		2094
		2095	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2096	CODE:
		2097	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2098	OUTPUT:
		2099	RETVAL
		2100
		2101	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2102	CODE:
		2103	RETVAL = env->set_lk_detect (env, detect);
		2104	OUTPUT:
		2105	RETVAL
		2106
		2107	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2108	CODE:
		2109	RETVAL = env->set_lk_max_lockers (env, max);
		2110	OUTPUT:
		2111	RETVAL
		2112
		2113	int set_lk_max_locks (DB_ENV *env, U32 max)
		2114	CODE:
		2115	RETVAL = env->set_lk_max_locks (env, max);
		2116	OUTPUT:
		2117	RETVAL
		2118
		2119	int set_lk_max_objects (DB_ENV *env, U32 max)
		2120	CODE:
		2121	RETVAL = env->set_lk_max_objects (env, max);
		2122	OUTPUT:
		2123	RETVAL
		2124
		2125	int set_lg_bsize (DB_ENV *env, U32 max)
		2126	CODE:
		2127	RETVAL = env->set_lg_bsize (env, max);
		2128	OUTPUT:
		2129	RETVAL
		2130
		2131	int set_lg_max (DB_ENV *env, U32 max)
		2132	CODE:
		2133	RETVAL = env->set_lg_max (env, max);
		2134	OUTPUT:
		2135	RETVAL
		2136
		2137	#if DB_VERSION_MINOR >= 4
		2138
		2139	int mutex_set_max (DB_ENV *env, U32 max)
		2140	CODE:
		2141	RETVAL = env->mutex_set_max (env, max);
		2142	OUTPUT:
		2143	RETVAL
		2144
		2145	int mutex_set_increment (DB_ENV *env, U32 increment)
		2146	CODE:
		2147	RETVAL = env->mutex_set_increment (env, increment);
		2148	OUTPUT:
		2149	RETVAL
		2150
		2151	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2152	CODE:
		2153	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_align (DB_ENV *env, U32 align)
		2158	CODE:
		2159	RETVAL = env->mutex_set_align (env, align);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	#endif
		2164
		2165	DB_TXN *
		2166	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2167	CODE:
		2168	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2169	if (errno)
		2170	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2171	OUTPUT:
		2172	RETVAL
		2173
		2174	#if DB_VERSION_MINOR >= 5
		2175
		2176	DB_TXN *
		2177	cdsgroup_begin (DB_ENV *env)
		2178	CODE:
		2179	errno = env->cdsgroup_begin (env, &RETVAL);
		2180	if (errno)
		2181	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
1112		2186
1113	MODULE = BDB PACKAGE = BDB::Db	2187	MODULE = BDB PACKAGE = BDB::Db
1114		2188
		2189	void
		2190	DESTROY (DB_ornuked *db)
		2191	CODE:
		2192	if (db)
		2193	{
		2194	SV *env = (SV *)db->app_private;
		2195	db->close (db, 0);
		2196	SvREFCNT_dec (env);
		2197	}
		2198
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2199	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	2200	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2201	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	2202	OUTPUT:
1119	RETVAL	2203	RETVAL
1120		2204
1121	int set_flags (DB *db, U32 flags);	2205	int set_flags (DB *db, U32 flags)
1122	CODE:	2206	CODE:
1123	RETVAL = db->set_flags (db, flags);	2207	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	2208	OUTPUT:
1125	RETVAL	2209	RETVAL
1126		2210
…		…
1134	CODE:	2218	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	2219	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	2220	OUTPUT:
1137	RETVAL	2221	RETVAL
1138		2222
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	2223	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	2224	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	2225	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	2226	OUTPUT:
1144	RETVAL	2227	RETVAL
1145		2228
1146	int set_re_delim(DB *db, int delim);	2229	int set_re_delim (DB *db, int delim)
1147	CODE:	2230	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	2231	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	2232	OUTPUT:
1150	RETVAL	2233	RETVAL
1151		2234
…		…
1183	CODE:	2266	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	2267	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	2268	OUTPUT:
1186	RETVAL	2269	RETVAL
1187		2270
		2271	DBC *
		2272	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2273	CODE:
		2274	errno = db->cursor (db, txn, &RETVAL, flags);
		2275	if (errno)
		2276	croak ("DB->cursor: %s", db_strerror (errno));
		2277	OUTPUT:
		2278	RETVAL
1188		2279
		2280	#if DB_VERSION_MINOR >= 3
		2281
		2282	DB_SEQUENCE *
		2283	sequence (DB *db, U32 flags = 0)
		2284	CODE:
		2285	{
		2286	errno = db_sequence_create (&RETVAL, db, flags);
		2287	if (errno)
		2288	croak ("db_sequence_create: %s", db_strerror (errno));
		2289	}
		2290	OUTPUT:
		2291	RETVAL
		2292
		2293	#endif
		2294
		2295
		2296	MODULE = BDB PACKAGE = BDB::Txn
		2297
		2298	void
		2299	DESTROY (DB_TXN_ornuked *txn)
		2300	CODE:
		2301	if (txn)
		2302	txn->abort (txn);
		2303
		2304	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2305	CODE:
		2306	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2307	OUTPUT:
		2308	RETVAL
		2309
		2310	int failed (DB_TXN *txn)
		2311	CODE:
		2312	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2313	OUTPUT:
		2314	RETVAL
		2315
		2316
		2317	MODULE = BDB PACKAGE = BDB::Cursor
		2318
		2319	void
		2320	DESTROY (DBC_ornuked *dbc)
		2321	CODE:
		2322	if (dbc)
		2323	dbc->c_close (dbc);
		2324
		2325	#if DB_VERSION_MINOR >= 6
		2326
		2327	int set_priority (DBC *dbc, int priority)
		2328	CODE:
		2329	dbc->set_priority (dbc, priority);
		2330
		2331	#endif
		2332
		2333	#if DB_VERSION_MINOR >= 3
		2334
		2335	MODULE = BDB PACKAGE = BDB::Sequence
		2336
		2337	void
		2338	DESTROY (DB_SEQUENCE_ornuked *seq)
		2339	CODE:
		2340	if (seq)
		2341	seq->close (seq, 0);
		2342
		2343	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2344	CODE:
		2345	RETVAL = seq->initial_value (seq, value);
		2346	OUTPUT:
		2347	RETVAL
		2348
		2349	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2350	CODE:
		2351	RETVAL = seq->set_cachesize (seq, size);
		2352	OUTPUT:
		2353	RETVAL
		2354
		2355	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2356	CODE:
		2357	RETVAL = seq->set_flags (seq, flags);
		2358	OUTPUT:
		2359	RETVAL
		2360
		2361	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2362	CODE:
		2363	RETVAL = seq->set_range (seq, min, max);
		2364	OUTPUT:
		2365	RETVAL
		2366
		2367	#endif
		2368
		2369

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