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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 1.50 by root, Thu Sep 25 13:22:32 2008 UTC

1	/* solaris */	1	#include <sys/user.h>
2	#define _POSIX_PTHREAD_SEMANTICS 1	2	#include <sys/ptrace.h>
3		3
4	#if __linux && !defined(_GNU_SOURCE)	4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5	# define _GNU_SOURCE
6	#endif
7		5
8	/* just in case */	6	#include "xthread.h"
9	#define _REENTRANT 1
10		7
11	#include <errno.h>	8	#include <errno.h>
12		9
13	#include "EXTERN.h"	10	#include "EXTERN.h"
14	#include "perl.h"	11	#include "perl.h"
15	#include "XSUB.h"	12	#include "XSUB.h"
16		13
17	#include <pthread.h>	14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
18		22
19	#include <stddef.h>	23	#include <stddef.h>
20	#include <stdlib.h>	24	#include <stdlib.h>
21	#include <errno.h>	25	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	26	#include <sys/types.h>
24	#include <limits.h>	27	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	28	#include <fcntl.h>
27		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
28	#include <db.h>	35	#include <db.h>
		36
		37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		39	#endif
29		40
30	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
32		43
33	/* wether word reads are potentially non-atomic.	44	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	45	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	46	typedef DBC DBC_ornull;
36	*/	47	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	48
38	# if __i386 || __x86_64	49	typedef DB_ENV DB_ENV_ornuked;
39	# define WORDACCESS_UNSAFE 0	50	typedef DB_TXN DB_TXN_ornuked;
40	# else	51	typedef DBC DBC_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB DB_ornuked;
42	# endif	53
		54	#if DB_VERSION_MINOR >= 3
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
43	#endif	57	#endif
44		58
45	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
		60	typedef char *bdb_filename;
46		61
		62	static SV *prepare_cb;
		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
		74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
		117	strdup_ornull (const char *s)
		118	{
		119	return s ? strdup (s) : 0;
		120	}
		121
		122	static void
		123	sv_to_dbt (DBT *dbt, SV *sv)
		124	{
		125	STRLEN len;
		126	char *data = SvPVbyte (sv, len);
		127
		128	dbt->data = malloc (len);
		129	memcpy (dbt->data, data, len);
		130	dbt->size = len;
		131	dbt->flags = DB_DBT_REALLOC;
		132	}
		133
		134	static void
		135	dbt_to_sv (SV *sv, DBT *dbt)
		136	{
		137	if (sv)
		138	{
		139	SvREADONLY_off (sv);
		140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
		141	SvREFCNT_dec (sv);
		142	}
		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
		145	free (dbt->data);
		146	}
		147
47	enum	148	enum {
48	{
49	REQ_QUIT,	149	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
52	};	157	};
53		158
54	typedef struct aio_cb	159	typedef struct bdb_cb
55	{	160	{
56	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
57	SV *callback;	162	SV *callback;
58	int type, pri, errorno;	163	int type, pri, result;
59		164
60	DB_ENV *env;	165	DB_ENV *env;
61	DB *db;	166	DB *db;
62	DB_TXN *txn;	167	DB_TXN *txn;
63	DBC *cursor;	168	DBC *dbc;
		169
		170	UV uv1;
64	int int1, int2;	171	int int1, int2;
65	U32 uint1, uint2;	172	U32 uint1, uint2;
66	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
67	} aio_cb;	174	SV *sv1, *sv2, *sv3;
68		175
		176	DBT dbt1, dbt2, dbt3;
		177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
		179	DB_SEQUENCE *seq;
		180	db_seq_t seq_t;
		181	#endif
		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
69	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
70		187
71	enum {	188	enum {
72	PRI_MIN = -4,	189	PRI_MIN = -4,
73	PRI_MAX = 4,	190	PRI_MAX = 4,
74		191
…		…
77	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
78	};	195	};
79		196
80	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
81		198
		199	static SV *on_next_submit;
		200
82	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
83	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
84		203
85	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
86	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
91		210
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		212
94	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
95		214
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 */	215	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
107		217
108	typedef struct worker {	218	typedef struct worker {
109	/* locked by wrklock */	219	/* locked by wrklock */
110	struct worker *prev, *next;	220	struct worker *prev, *next;
111		221
112	pthread_t tid;	222	thread_t tid;
113		223
114	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
116	void *dbuf;	226	void *dbuf;
117	DIR *dirp;	227	DIR *dirp;
118	} worker;	228	} worker;
119		229
120	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
132	}	242	}
133		243
134	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
138		248
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
142		252
143	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
144		254
145	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
146	{	256	{
147	unsigned int retval;	257	unsigned int retval;
148		258
149	LOCK (reqlock);	259	X_LOCK (reqlock);
150	retval = nready;	260	retval = nready;
151	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
152		262
153	return retval;	263	return retval;
154	}	264	}
155		265
156	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
157	{	267	{
158	unsigned int retval;	268	unsigned int retval;
159		269
160	LOCK (reslock);	270	X_LOCK (reslock);
161	retval = npending;	271	retval = npending;
162	UNLOCK (reslock);	272	X_UNLOCK (reslock);
163		273
164	return retval;	274	return retval;
165	}	275	}
166		276
167	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
168	{	278	{
169	unsigned int retval;	279	unsigned int retval;
170		280
171	LOCK (wrklock);	281	X_LOCK (wrklock);
172	retval = started;	282	retval = started;
173	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
174		284
175	return retval;	285	return retval;
176	}	286	}
177		287
178	#else	288	#else
…		…
187	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
188	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
189	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
190	*/	300	*/
191	typedef struct {	301	typedef struct {
192	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
193	int size;	303	int size;
194	} reqq;	304	} reqq;
195		305
196	static reqq req_queue;	306	static reqq req_queue;
197	static reqq res_queue;	307	static reqq res_queue;
198		308
199	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
200	{	310	{
201	int pri = req->pri;	311	int pri = req->pri;
202	req->next = 0;	312	req->next = 0;
203		313
204	if (q->qe[pri])	314	if (q->qe[pri])
…		…
210	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
211		321
212	return q->size++;	322	return q->size++;
213	}	323	}
214		324
215	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
216	{	326	{
217	int pri;	327	int pri;
218		328
219	if (!q->size)	329	if (!q->size)
220	return 0;	330	return 0;
221		331
222	--q->size;	332	--q->size;
223		333
224	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
225	{	335	{
226	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
227		337
228	if (req)	338	if (req)
229	{	339	{
230	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
231	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
235	}	345	}
236		346
237	abort ();	347	abort ();
238	}	348	}
239		349
240	static int poll_cb ();	350	static int poll_cb (void);
241	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
242	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
243		353
244	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
245	{	355	{
246	dSP;	356	dSP;
247		357
248	if (SvOK (req->callback))	358	if (req->callback)
249	{	359	{
250	ENTER;	360	ENTER;
251	SAVETMPS;	361	SAVETMPS;
252	PUSHMARK (SP);	362	PUSHMARK (SP);
253	EXTEND (SP, 1);
254		363
255	switch (req->type)	364	switch (req->type)
256	{	365	{
		366	case REQ_DB_CLOSE:
		367	SvREFCNT_dec (req->sv1);
		368	break;
		369
		370	case REQ_DB_GET:
		371	case REQ_DB_PGET:
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_C_GET:
		376	case REQ_C_PGET:
		377	dbt_to_sv (req->sv1, &req->dbt1);
		378	dbt_to_sv (req->sv2, &req->dbt2);
		379	dbt_to_sv (req->sv3, &req->dbt3);
		380	break;
		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
		388	case REQ_DB_KEY_RANGE:
		389	{
		390	AV *av = newAV ();
		391
		392	av_push (av, newSVnv (req->key_range.less));
		393	av_push (av, newSVnv (req->key_range.equal));
		394	av_push (av, newSVnv (req->key_range.greater));
		395
		396	SvREADONLY_off (req->sv1);
		397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
257	}	414	}
		415
		416	errno = req->result;
258		417
259	PUTBACK;	418	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	419	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	420	SPAGAIN;
262		421
…		…
265	}	424	}
266		425
267	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
268	}	427	}
269		428
270	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
271	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
272	free (req->buf1);	436	free (req->buf1);
273	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
274	Safefree (req);	440	Safefree (req);
275	}	441	}
276		442
277	static void *aio_proc(void *arg);	443	#ifdef USE_SOCKETS_AS_HANDLES
		444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		445	#else
		446	# define TO_SOCKET(x) (x)
		447	#endif
		448
		449	static void
		450	create_respipe (void)
		451	{
		452	#ifdef _WIN32
		453	int arg; /* argg */
		454	#endif
		455	int old_readfd = respipe [0];
		456
		457	if (respipe [1] >= 0)
		458	respipe_close (TO_SOCKET (respipe [1]));
		459
		460	#ifdef _WIN32
		461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		462	#else
		463	if (pipe (respipe))
		464	#endif
		465	croak ("unable to initialize result pipe");
		466
		467	if (old_readfd >= 0)
		468	{
		469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		470	croak ("unable to initialize result pipe(2)");
		471
		472	respipe_close (respipe [0]);
		473	respipe [0] = old_readfd;
		474	}
		475
		476	#ifdef _WIN32
		477	arg = 1;
		478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		480	#else
		481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		483	#endif
		484	croak ("unable to initialize result pipe(3)");
		485
		486	respipe_osf [0] = TO_SOCKET (respipe [0]);
		487	respipe_osf [1] = TO_SOCKET (respipe [1]);
		488	}
		489
		490	X_THREAD_PROC (bdb_proc);
278		491
279	static void start_thread (void)	492	static void start_thread (void)
280	{	493	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	494	worker *wrk = calloc (1, sizeof (worker));
285		495
286	if (!wrk)	496	if (!wrk)
287	croak ("unable to allocate worker thread data");	497	croak ("unable to allocate worker thread data");
288		498
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);	499	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	500	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	501	{
302	wrk->prev = &wrk_first;	502	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	503	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	504	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	505	wrk_first.next = wrk;
306	++started;	506	++started;
307	}	507	}
308	else	508	else
309	free (wrk);	509	free (wrk);
310		510
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
313	}	512	}
314		513
315	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
316	{	515	{
317	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
318	return;	517	return;
319		518
320	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
322	return;	521	return;
323		522
324	start_thread ();	523	start_thread ();
325	}	524	}
326		525
327	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
328	{	527	{
		528	SV *wait_callback = 0;
		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
		543	// synthesize callback if none given
		544	if (!req->callback)
		545	{
		546	int count;
		547
		548	dSP;
		549	PUSHMARK (SP);
		550	PUTBACK;
		551	count = call_sv (prepare_cb, G_ARRAY);
		552	SPAGAIN;
		553
		554	if (count != 2)
		555	croak ("prepare callback must return exactly two values\n");
		556
		557	wait_callback = POPs;
		558	req->callback = SvREFCNT_inc (POPs);
		559	}
		560
329	++nreqs;	561	++nreqs;
330		562
331	LOCK (reqlock);	563	X_LOCK (reqlock);
332	++nready;	564	++nready;
333	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
336		568
337	maybe_start_thread ();	569	maybe_start_thread ();
		570
		571	if (wait_callback)
		572	{
		573	dSP;
		574	PUSHMARK (SP);
		575	PUTBACK;
		576	call_sv (wait_callback, G_DISCARD);
		577	}
338	}	578	}
339		579
340	static void end_thread (void)	580	static void end_thread (void)
341	{	581	{
342	aio_req req;	582	bdb_req req;
343		583
344	Newz (0, req, 1, aio_cb);	584	Newz (0, req, 1, bdb_cb);
345		585
346	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
348		588
349	LOCK (reqlock);	589	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	590	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	591	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	592	X_UNLOCK (reqlock);
353		593
354	LOCK (wrklock);	594	X_LOCK (wrklock);
355	--started;	595	--started;
356	UNLOCK (wrklock);	596	X_UNLOCK (wrklock);
357	}	597	}
358		598
359	static void set_max_idle (int nthreads)	599	static void set_max_idle (int nthreads)
360	{	600	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	602	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	603	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	604	}
365		605
366	static void min_parallel (int nthreads)	606	static void min_parallel (int nthreads)
367	{	607	{
368	if (wanted < nthreads)	608	if (wanted < nthreads)
…		…
376		616
377	while (started > wanted)	617	while (started > wanted)
378	end_thread ();	618	end_thread ();
379	}	619	}
380		620
381	static void poll_wait ()	621	static void poll_wait (void)
382	{	622	{
383	fd_set rfd;	623	fd_set rfd;
384		624
385	while (nreqs)	625	while (nreqs)
386	{	626	{
387	int size;	627	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	629	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	630	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		631
392	if (size)	632	if (size)
393	return;	633	return;
394		634
395	maybe_start_thread ();	635	maybe_start_thread ();
396		636
397	FD_ZERO(&rfd);	637	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	638	FD_SET (respipe [0], &rfd);
399		639
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	641	}
402	}	642	}
403		643
404	static int poll_cb ()	644	static int poll_cb (void)
405	{	645	{
406	dSP;	646	dSP;
407	int count = 0;	647	int count = 0;
408	int maxreqs = max_poll_reqs;	648	int maxreqs = max_poll_reqs;
409	int do_croak = 0;	649	int do_croak = 0;
410	struct timeval tv_start, tv_now;	650	struct timeval tv_start, tv_now;
411	aio_req req;	651	bdb_req req;
412		652
413	if (max_poll_time)	653	if (max_poll_time)
414	gettimeofday (&tv_start, 0);	654	gettimeofday (&tv_start, 0);
415		655
416	for (;;)	656	for (;;)
417	{	657	{
418	for (;;)	658	for (;;)
419	{	659	{
420	maybe_start_thread ();	660	maybe_start_thread ();
421		661
422	LOCK (reslock);	662	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	663	req = reqq_shift (&res_queue);
424		664
425	if (req)	665	if (req)
426	{	666	{
427	--npending;	667	--npending;
428		668
429	if (!res_queue.size)	669	if (!res_queue.size)
430	{	670	{
431	/* read any signals sent by the worker threads */	671	/* read any signals sent by the worker threads */
432	char buf [4];	672	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	673	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	674	;
435	}	675	}
436	}	676	}
437		677
438	UNLOCK (reslock);	678	X_UNLOCK (reslock);
439		679
440	if (!req)	680	if (!req)
441	break;	681	break;
442		682
443	--nreqs;	683	--nreqs;
…		…
473	}	713	}
474		714
475	return count;	715	return count;
476	}	716	}
477		717
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	/*****************************************************************************/	718	/*****************************************************************************/
491		719
492	static void *aio_proc (void *thr_arg)	720	X_THREAD_PROC (bdb_proc)
493	{	721	{
494	aio_req req;	722	bdb_req req;
495	struct timespec ts;	723	struct timespec ts;
496	worker *self = (worker *)thr_arg;	724	worker *self = (worker *)thr_arg;
497		725
498	/* try to distribute timeouts somewhat evenly */	726	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	727	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		728
502	for (;;)	729	for (;;)
503	{	730	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	731	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		732
506	LOCK (reqlock);	733	X_LOCK (reqlock);
507		734
508	for (;;)	735	for (;;)
509	{	736	{
510	self->req = req = reqq_shift (&req_queue);	737	self->req = req = reqq_shift (&req_queue);
511		738
512	if (req)	739	if (req)
513	break;	740	break;
514		741
515	++idle;	742	++idle;
516		743
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	744	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	745	== ETIMEDOUT)
519	{	746	{
520	if (idle > max_idle)	747	if (idle > max_idle)
521	{	748	{
522	--idle;	749	--idle;
523	UNLOCK (reqlock);	750	X_UNLOCK (reqlock);
524	LOCK (wrklock);	751	X_LOCK (wrklock);
525	--started;	752	--started;
526	UNLOCK (wrklock);	753	X_UNLOCK (wrklock);
527	goto quit;	754	goto quit;
528	}	755	}
529		756
530	/* we are allowed to idle, so do so without any timeout */	757	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	758	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	759	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	760	}
534		761
535	--idle;	762	--idle;
536	}	763	}
537		764
538	--nready;	765	--nready;
539		766
540	UNLOCK (reqlock);	767	X_UNLOCK (reqlock);
541
542	errno = 0; /* strictly unnecessary */
543		768
544	switch (req->type)	769	switch (req->type)
545	{	770	{
546	case REQ_QUIT:	771	case REQ_QUIT:
		772	req->result = ENOSYS;
547	goto quit;	773	goto quit;
548		774
		775	case REQ_ENV_OPEN:
		776	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		777	break;
		778
		779	case REQ_ENV_CLOSE:
		780	req->result = req->env->close (req->env, req->uint1);
		781	break;
		782
		783	case REQ_ENV_TXN_CHECKPOINT:
		784	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		785	break;
		786
		787	case REQ_ENV_LOCK_DETECT:
		788	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		789	break;
		790
		791	case REQ_ENV_MEMP_SYNC:
		792	req->result = req->env->memp_sync (req->env, 0);
		793	break;
		794
		795	case REQ_ENV_MEMP_TRICKLE:
		796	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		797	break;
		798
		799	case REQ_ENV_DBREMOVE:
		800	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		801	break;
		802
		803	case REQ_ENV_DBRENAME:
		804	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		805	break;
		806
		807	case REQ_DB_OPEN:
		808	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		809	break;
		810
		811	case REQ_DB_CLOSE:
		812	req->result = req->db->close (req->db, req->uint1);
		813	break;
		814
		815	#if DB_VERSION_MINOR >= 4
		816	case REQ_DB_COMPACT:
		817	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		818	break;
		819	#endif
		820
		821	case REQ_DB_SYNC:
		822	req->result = req->db->sync (req->db, req->uint1);
		823	break;
		824
		825	case REQ_DB_UPGRADE:
		826	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		827	break;
		828
		829	case REQ_DB_PUT:
		830	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		831	break;
		832
		833	#if DB_VERSION_MINOR >= 6
		834	case REQ_DB_EXISTS:
		835	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		836	break;
		837	#endif
		838	case REQ_DB_GET:
		839	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		840	break;
		841
		842	case REQ_DB_PGET:
		843	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		844	break;
		845
		846	case REQ_DB_DEL:
		847	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		848	break;
		849
		850	case REQ_DB_KEY_RANGE:
		851	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		852	break;
		853
		854	case REQ_TXN_COMMIT:
		855	req->result = req->txn->commit (req->txn, req->uint1);
		856	break;
		857
		858	case REQ_TXN_ABORT:
		859	req->result = req->txn->abort (req->txn);
		860	break;
		861
		862	case REQ_TXN_FINISH:
		863	if (req->txn->flags & TXN_DEADLOCK)
		864	{
		865	req->result = req->txn->abort (req->txn);
		866	if (!req->result)
		867	req->result = DB_LOCK_DEADLOCK;
		868	}
		869	else
		870	req->result = req->txn->commit (req->txn, req->uint1);
		871	break;
		872
		873	case REQ_C_CLOSE:
		874	req->result = req->dbc->c_close (req->dbc);
		875	break;
		876
		877	case REQ_C_COUNT:
		878	{
		879	db_recno_t recno;
		880	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		881	req->uv1 = recno;
		882	}
		883	break;
		884
		885	case REQ_C_PUT:
		886	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		887	break;
		888
		889	case REQ_C_GET:
		890	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		891	break;
		892
		893	case REQ_C_PGET:
		894	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		895	break;
		896
		897	case REQ_C_DEL:
		898	req->result = req->dbc->c_del (req->dbc, req->uint1);
		899	break;
		900
		901	#if DB_VERSION_MINOR >= 3
		902	case REQ_SEQ_OPEN:
		903	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		904	break;
		905
		906	case REQ_SEQ_CLOSE:
		907	req->result = req->seq->close (req->seq, req->uint1);
		908	break;
		909
		910	case REQ_SEQ_GET:
		911	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		912	break;
		913
		914	case REQ_SEQ_REMOVE:
		915	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		916	break;
		917	#endif
		918
549	default:	919	default:
550	//req->result = ENOSYS;	920	req->result = ENOSYS;
551	break;	921	break;
552	}	922	}
553		923
554	//req->errorno = errno;	924	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		925	req->txn->flags |= TXN_DEADLOCK;
555		926
556	LOCK (reslock);	927	X_LOCK (reslock);
557		928
558	++npending;	929	++npending;
559		930
560	if (!reqq_push (&res_queue, req))	931	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	932	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	933	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		934
564	self->req = 0;	935	self->req = 0;
565	worker_clear (self);	936	worker_clear (self);
566		937
567	UNLOCK (reslock);	938	X_UNLOCK (reslock);
568	}	939	}
569		940
570	quit:	941	quit:
571	LOCK (wrklock);	942	X_LOCK (wrklock);
572	worker_free (self);	943	worker_free (self);
573	UNLOCK (wrklock);	944	X_UNLOCK (wrklock);
574		945
575	return 0;	946	return 0;
576	}	947	}
577		948
578	/*****************************************************************************/	949	/*****************************************************************************/
579		950
580	static void atfork_prepare (void)	951	static void atfork_prepare (void)
581	{	952	{
582	LOCK (wrklock);	953	X_LOCK (wrklock);
583	LOCK (reqlock);	954	X_LOCK (reqlock);
584	LOCK (reslock);	955	X_LOCK (reslock);
585	}	956	}
586		957
587	static void atfork_parent (void)	958	static void atfork_parent (void)
588	{	959	{
589	UNLOCK (reslock);	960	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	962	X_UNLOCK (wrklock);
592	}	963	}
593		964
594	static void atfork_child (void)	965	static void atfork_child (void)
595	{	966	{
596	aio_req prv;	967	bdb_req prv;
597		968
598	while (prv = reqq_shift (&req_queue))	969	while (prv = reqq_shift (&req_queue))
599	req_free (prv);	970	req_free (prv);
600		971
601	while (prv = reqq_shift (&res_queue))	972	while (prv = reqq_shift (&res_queue))
…		…
616	idle = 0;	987	idle = 0;
617	nreqs = 0;	988	nreqs = 0;
618	nready = 0;	989	nready = 0;
619	npending = 0;	990	npending = 0;
620		991
621	close (respipe [0]);
622	close (respipe [1]);
623	create_pipe ();	992	create_respipe ();
624		993
625	atfork_parent ();	994	atfork_parent ();
626	}	995	}
627		996
628	#define dREQ(reqtype) \	997	#define dREQ(reqtype,rsvcnt) \
629	aio_req req; \	998	bdb_req req; \
630	int req_pri = next_pri; \	999	int req_pri = next_pri; \
631	next_pri = DEFAULT_PRI + PRI_BIAS; \	1000	next_pri = DEFAULT_PRI + PRI_BIAS; \
632	\	1001	\
633	if (SvOK (callback) && !SvROK (callback)) \	1002	if (callback && SvOK (callback)) \
634	croak ("callback must be undef or of reference type"); \	1003	croak ("callback has illegal type or extra arguments"); \
635	\	1004	\
636	Newz (0, req, 1, aio_cb); \	1005	Newz (0, req, 1, bdb_cb); \
637	if (!req) \	1006	if (!req) \
638	croak ("out of memory during aio_req allocation"); \	1007	croak ("out of memory during bdb_req allocation"); \
639	\	1008	\
640	req->callback = newSVsv (callback); \	1009	req->callback = SvREFCNT_inc (cb); \
641	req->type = (reqtype); \	1010	req->type = (reqtype); \
642	req->pri = req_pri	1011	req->pri = req_pri; \
		1012	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1013	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1014	(void)0;
643		1015
644	#define REQ_SEND \	1016	#define REQ_SEND \
645	req_send (req)	1017	req_send (req)
646		1018
647	#define SvPTR(var, arg, type, class) \	1019	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	1020	if (!SvOK (arg)) \
		1021	{ \
		1022	if (nullok != 1) \
		1023	croak (# var " must be a " # class " object, not undef"); \
		1024	\
649	(var) = 0; \	1025	(var) = 0; \
		1026	} \
650	else if (sv_derived_from ((arg), # class)) \	1027	else if (sv_derived_from ((arg), # class)) \
651	{ \	1028	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	1029	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	1030	(var) = INT2PTR (type, tmp); \
		1031	if (!var && nullok != 2) \
		1032	croak (# var " is not a valid " # class " object anymore"); \
654	} \	1033	} \
655	else \	1034	else \
656	Perl_croak (# var " is not of type " # type)	1035	croak (# var " is not of type " # class);
657		1036
		1037	static void
		1038	ptr_nuke (SV *sv)
		1039	{
		1040	assert (SvROK (sv));
		1041	sv_setiv (SvRV (sv), 0);
		1042	}
		1043
		1044	static int
		1045	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1046	{
		1047	if (*mg->mg_ptr == '!') // should always be the case
		1048	if (-30999 <= errno && errno <= -30800)
		1049	{
		1050	sv_setnv (sv, (NV)errno);
		1051	sv_setpv (sv, db_strerror (errno));
		1052	SvNOK_on (sv); /* what a wonderful hack! */
		1053	// ^^^ copied from perl sources
		1054	return 0;
		1055	}
		1056
		1057	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1058	}
		1059
		1060	static MGVTBL vtbl_errno;
		1061
		1062	// this wonderful hack :( patches perl's $! variable to support our errno values
		1063	static void
		1064	patch_errno (void)
		1065	{
		1066	SV *sv;
		1067	MAGIC *mg;
		1068
		1069	if (!(sv = get_sv ("!", 1)))
		1070	return;
		1071
		1072	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1073	return;
		1074
		1075	if (mg->mg_virtual != &PL_vtbl_sv)
		1076	return;
		1077
		1078	vtbl_errno = PL_vtbl_sv;
		1079	vtbl_errno.svt_get = errno_get;
		1080	mg->mg_virtual = &vtbl_errno;
		1081	}
		1082
		1083	#if __GNUC__ >= 4
		1084	# define noinline __attribute__ ((noinline))
		1085	#else
		1086	# define noinline
		1087	#endif
		1088
		1089	static noinline SV *
		1090	pop_callback (I32 *ritems, SV *sv)
		1091	{
		1092	if (SvROK (sv))
		1093	{
		1094	HV *st;
		1095	GV *gvp;
		1096	CV *cv;
		1097	const char *name;
		1098
		1099	/* forgive me */
		1100	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1101	&& (st = SvSTASH (SvRV (sv)))
		1102	&& (name = HvNAME_get (st))
		1103	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1104	return 0;
		1105
		1106	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1107	{
		1108	--*ritems;
		1109	return (SV *)cv;
		1110	}
		1111	}
		1112
		1113	return 0;
		1114	}
		1115
		1116	/* stupid windoes defined CALLBACK as well */
		1117	#undef CALLBACK
		1118	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1119
658	MODULE = BDB PACKAGE = BDB	1120	MODULE = BDB PACKAGE = BDB
659		1121
660	PROTOTYPES: ENABLE	1122	PROTOTYPES: ENABLE
661		1123
662	BOOT:	1124	BOOT:
…		…
677	const_iv (INIT_TXN)	1139	const_iv (INIT_TXN)
678	const_iv (RECOVER)	1140	const_iv (RECOVER)
679	const_iv (INIT_TXN)	1141	const_iv (INIT_TXN)
680	const_iv (RECOVER_FATAL)	1142	const_iv (RECOVER_FATAL)
681	const_iv (CREATE)	1143	const_iv (CREATE)
		1144	const_iv (RDONLY)
682	const_iv (USE_ENVIRON)	1145	const_iv (USE_ENVIRON)
683	const_iv (USE_ENVIRON_ROOT)	1146	const_iv (USE_ENVIRON_ROOT)
684	const_iv (LOCKDOWN)	1147	const_iv (LOCKDOWN)
685	const_iv (PRIVATE)	1148	const_iv (PRIVATE)
686	const_iv (REGISTER)
687	const_iv (SYSTEM_MEM)	1149	const_iv (SYSTEM_MEM)
688	const_iv (AUTO_COMMIT)	1150	const_iv (AUTO_COMMIT)
689	const_iv (CDB_ALLDB)	1151	const_iv (CDB_ALLDB)
690	const_iv (DIRECT_DB)	1152	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)	1153	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	1154	const_iv (NOMMAP)
699	const_iv (NOPANIC)	1155	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	1156	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	1157	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	1158	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	1159	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	1160	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)	1161	const_iv (TXN_NOT_DURABLE)
706	const_iv (TXN_WRITE_NOSYNC)	1162	const_iv (TXN_WRITE_NOSYNC)
		1163	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	1164	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	1165	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	1166	const_iv (XA_CREATE)
710	const_iv (BTREE)	1167	const_iv (BTREE)
711	const_iv (HASH)	1168	const_iv (HASH)
712	const_iv (QUEUE)	1169	const_iv (QUEUE)
713	const_iv (RECNO)	1170	const_iv (RECNO)
714	const_iv (UNKNOWN)	1171	const_iv (UNKNOWN)
715	const_iv (EXCL)	1172	const_iv (EXCL)
716	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	1173	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	1174	const_iv (NOSYNC)
719	const_iv (CHKSUM)	1175	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	1176	const_iv (ENCRYPT)
721	const_iv (TXN_NOT_DURABLE)
722	const_iv (DUP)	1177	const_iv (DUP)
723	const_iv (DUPSORT)	1178	const_iv (DUPSORT)
724	const_iv (RECNUM)	1179	const_iv (RECNUM)
725	const_iv (RENUMBER)	1180	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	1181	const_iv (REVSPLITOFF)
727	const_iv (INORDER)
728	const_iv (CONSUME)	1182	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	1183	const_iv (CONSUME_WAIT)
		1184	const_iv (GET_BOTH)
		1185	const_iv (GET_BOTH_RANGE)
		1186	//const_iv (SET_RECNO)
		1187	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	1188	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	1189	const_iv (JOIN_ITEM)
		1190	const_iv (JOIN_NOSORT)
732	const_iv (RMW)	1191	const_iv (RMW)
733		1192
734	const_iv (NOTFOUND)	1193	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	1194	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	1195	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	1196	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	1197	const_iv (RUNRECOVERY)
		1198	const_iv (OLD_VERSION)
		1199	const_iv (REP_HANDLE_DEAD)
		1200	const_iv (SECONDARY_BAD)
		1201
		1202	const_iv (APPEND)
		1203	const_iv (NODUPDATA)
		1204	const_iv (NOOVERWRITE)
		1205
		1206	const_iv (TXN_NOWAIT)
		1207	const_iv (TXN_SYNC)
		1208
		1209	const_iv (SET_LOCK_TIMEOUT)
		1210	const_iv (SET_TXN_TIMEOUT)
		1211
		1212	const_iv (FIRST)
		1213	const_iv (NEXT)
		1214	const_iv (NEXT_DUP)
		1215	const_iv (NEXT_NODUP)
		1216	const_iv (PREV)
		1217	const_iv (PREV_NODUP)
		1218	const_iv (SET)
		1219	const_iv (SET_RANGE)
		1220	const_iv (LAST)
		1221	const_iv (BEFORE)
		1222	const_iv (AFTER)
		1223	const_iv (CURRENT)
		1224	const_iv (KEYFIRST)
		1225	const_iv (KEYLAST)
		1226	const_iv (NODUPDATA)
		1227
		1228	const_iv (FORCE)
		1229
		1230	const_iv (LOCK_DEFAULT)
		1231	const_iv (LOCK_EXPIRE)
		1232	const_iv (LOCK_MAXLOCKS)
		1233	const_iv (LOCK_MINLOCKS)
		1234	const_iv (LOCK_MINWRITE)
		1235	const_iv (LOCK_OLDEST)
		1236	const_iv (LOCK_RANDOM)
		1237	const_iv (LOCK_YOUNGEST)
		1238
		1239	const_iv (DONOTINDEX)
		1240	const_iv (KEYEMPTY )
		1241	const_iv (KEYEXIST )
		1242	const_iv (LOCK_DEADLOCK)
		1243	const_iv (LOCK_NOTGRANTED)
		1244	const_iv (NOSERVER)
		1245	const_iv (NOSERVER_HOME)
		1246	const_iv (NOSERVER_ID)
		1247	const_iv (NOTFOUND)
		1248	const_iv (PAGE_NOTFOUND)
		1249	const_iv (REP_DUPMASTER)
		1250	const_iv (REP_HANDLE_DEAD)
		1251	const_iv (REP_HOLDELECTION)
		1252	const_iv (REP_ISPERM)
		1253	const_iv (REP_NEWMASTER)
		1254	const_iv (REP_NEWSITE)
		1255	const_iv (REP_NOTPERM)
		1256	const_iv (REP_UNAVAIL)
		1257	const_iv (RUNRECOVERY)
		1258	const_iv (SECONDARY_BAD)
		1259	const_iv (VERIFY_BAD)
		1260
		1261	const_iv (VERB_DEADLOCK)
		1262	const_iv (VERB_RECOVERY)
		1263	const_iv (VERB_REPLICATION)
		1264	const_iv (VERB_WAITSFOR)
		1265
		1266	const_iv (VERSION_MAJOR)
		1267	const_iv (VERSION_MINOR)
		1268	const_iv (VERSION_PATCH)
		1269	#if DB_VERSION_MINOR >= 3
		1270	const_iv (INORDER)
		1271	const_iv (LOCK_MAXWRITE)
		1272	const_iv (SEQ_DEC)
		1273	const_iv (SEQ_INC)
		1274	const_iv (SEQ_WRAP)
		1275	const_iv (BUFFER_SMALL)
		1276	const_iv (LOG_BUFFER_FULL)
		1277	const_iv (VERSION_MISMATCH)
		1278	#endif
		1279	#if DB_VERSION_MINOR >= 4
		1280	const_iv (REGISTER)
		1281	const_iv (DSYNC_DB)
		1282	const_iv (READ_COMMITTED)
		1283	const_iv (READ_UNCOMMITTED)
		1284	const_iv (REP_IGNORE)
		1285	const_iv (REP_LOCKOUT)
		1286	const_iv (REP_JOIN_FAILURE)
		1287	const_iv (FREE_SPACE)
		1288	const_iv (FREELIST_ONLY)
		1289	const_iv (VERB_REGISTER)
		1290	#endif
		1291	#if DB_VERSION_MINOR >= 5
		1292	const_iv (MULTIVERSION)
		1293	const_iv (TXN_SNAPSHOT)
		1294	#endif
		1295	#if DB_VERSION_MINOR >= 6
		1296	const_iv (PREV_DUP)
		1297	const_iv (PRIORITY_UNCHANGED)
		1298	const_iv (PRIORITY_VERY_LOW)
		1299	const_iv (PRIORITY_LOW)
		1300	const_iv (PRIORITY_DEFAULT)
		1301	const_iv (PRIORITY_HIGH)
		1302	const_iv (PRIORITY_VERY_HIGH)
		1303	#endif
		1304	#if DB_VERSION_MINOR >= 7
		1305	const_iv (LOG_DIRECT)
		1306	const_iv (LOG_DSYNC)
		1307	const_iv (LOG_AUTO_REMOVE)
		1308	const_iv (LOG_IN_MEMORY)
		1309	const_iv (LOG_ZERO)
		1310	#else
		1311	const_iv (DIRECT_LOG)
		1312	const_iv (LOG_AUTOREMOVE)
		1313	# if DB_VERSION_MINOR >= 3
		1314	const_iv (DSYNC_LOG)
		1315	const_iv (LOG_INMEMORY)
		1316	# endif
		1317	#endif
739	};	1318	};
740		1319
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1320	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1321	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1322
744	create_pipe ();	1323	{
		1324	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1325	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1326
		1327	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1328	}
		1329
		1330	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1331
		1332	create_respipe ();
		1333
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1334	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1335	patch_errno ();
746	}	1336	}
747		1337
748	void	1338	void
749	max_poll_reqs (int nreqs)	1339	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1340	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1369	max_outstanding = maxreqs;
780	OUTPUT:	1370	OUTPUT:
781	RETVAL	1371	RETVAL
782		1372
783	int	1373	int
784	bdbreq_pri (int pri = 0)	1374	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1375	PROTOTYPE: ;$
786	CODE:	1376	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1377	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1378	if (items > 0)
789	{	1379	{
…		…
793	}	1383	}
794	OUTPUT:	1384	OUTPUT:
795	RETVAL	1385	RETVAL
796		1386
797	void	1387	void
798	bdbreq_nice (int nice = 0)	1388	dbreq_nice (int nice = 0)
799	CODE:	1389	CODE:
800	nice = next_pri - nice;	1390	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1391	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1392	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1393	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1401	poll_wait ();
812	poll_cb ();	1402	poll_cb ();
813	}	1403	}
814		1404
815	int	1405	int
816	poll()	1406	poll ()
817	PROTOTYPE:	1407	PROTOTYPE:
818	CODE:	1408	CODE:
819	poll_wait ();	1409	poll_wait ();
820	RETVAL = poll_cb ();	1410	RETVAL = poll_cb ();
821	OUTPUT:	1411	OUTPUT:
822	RETVAL	1412	RETVAL
823		1413
824	int	1414	int
825	poll_fileno()	1415	poll_fileno ()
826	PROTOTYPE:	1416	PROTOTYPE:
827	CODE:	1417	CODE:
828	RETVAL = respipe [0];	1418	RETVAL = respipe [0];
829	OUTPUT:	1419	OUTPUT:
830	RETVAL	1420	RETVAL
831		1421
832	int	1422	int
833	poll_cb(...)	1423	poll_cb (...)
834	PROTOTYPE:	1424	PROTOTYPE:
835	CODE:	1425	CODE:
836	RETVAL = poll_cb ();	1426	RETVAL = poll_cb ();
837	OUTPUT:	1427	OUTPUT:
838	RETVAL	1428	RETVAL
839		1429
840	void	1430	void
841	poll_wait()	1431	poll_wait ()
842	PROTOTYPE:	1432	PROTOTYPE:
843	CODE:	1433	CODE:
844	poll_wait ();	1434	poll_wait ();
845		1435
846	int	1436	int
847	nreqs()	1437	nreqs ()
848	PROTOTYPE:	1438	PROTOTYPE:
849	CODE:	1439	CODE:
850	RETVAL = nreqs;	1440	RETVAL = nreqs;
851	OUTPUT:	1441	OUTPUT:
852	RETVAL	1442	RETVAL
853		1443
854	int	1444	int
855	nready()	1445	nready ()
856	PROTOTYPE:	1446	PROTOTYPE:
857	CODE:	1447	CODE:
858	RETVAL = get_nready ();	1448	RETVAL = get_nready ();
859	OUTPUT:	1449	OUTPUT:
860	RETVAL	1450	RETVAL
861		1451
862	int	1452	int
863	npending()	1453	npending ()
864	PROTOTYPE:	1454	PROTOTYPE:
865	CODE:	1455	CODE:
866	RETVAL = get_npending ();	1456	RETVAL = get_npending ();
867	OUTPUT:	1457	OUTPUT:
868	RETVAL	1458	RETVAL
869		1459
870	int	1460	int
871	nthreads()	1461	nthreads ()
872	PROTOTYPE:	1462	PROTOTYPE:
873	CODE:	1463	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1464	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1465	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1466	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1467	OUTPUT:
878	RETVAL	1468	RETVAL
879		1469
		1470	void
		1471	set_sync_prepare (SV *cb)
		1472	PROTOTYPE: &
		1473	CODE:
		1474	SvREFCNT_dec (prepare_cb);
		1475	prepare_cb = newSVsv (cb);
		1476
		1477	char *
		1478	strerror (int errorno = errno)
		1479	PROTOTYPE: ;$
		1480	CODE:
		1481	RETVAL = db_strerror (errorno);
		1482	OUTPUT:
		1483	RETVAL
		1484
		1485	void _on_next_submit (SV *cb)
		1486	CODE:
		1487	SvREFCNT_dec (on_next_submit);
		1488	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1489
880	DB_ENV *	1490	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1491	db_env_create (U32 env_flags = 0)
882	CODE:	1492	CODE:
883	{	1493	{
884	int err = db_env_create (&RETVAL, env_flags);	1494	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1495	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1496	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1497
		1498	if (0)
		1499	{
		1500	RETVAL->set_errcall (RETVAL, debug_errcall);
		1501	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1502	}
		1503	}
		1504	OUTPUT:
		1505	RETVAL
		1506
889	void	1507	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1508	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1509	PREINIT:
		1510	CALLBACK
891	CODE:	1511	CODE:
892	{	1512	{
893	dREQ (REQ_ENV_OPEN);	1513	dREQ (REQ_ENV_OPEN, 1);
894	req->env = env;	1514	req->env = env;
895	req->uint1 = open_flags;	1515	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1516	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1517	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1518	REQ_SEND;
899	}	1519	}
900		1520
901	void	1521	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1522	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1523	PREINIT:
		1524	CALLBACK
903	CODE:	1525	CODE:
904	{	1526	{
905	dREQ (REQ_ENV_CLOSE);	1527	dREQ (REQ_ENV_CLOSE, 1);
906	req->env = env;	1528	req->env = env;
907	req->uint1 = flags;	1529	req->uint1 = flags;
908	REQ_SEND;	1530	REQ_SEND;
		1531	ptr_nuke (ST (0));
		1532	}
		1533
		1534	void
		1535	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
		1538	CODE:
		1539	{
		1540	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1541	req->env = env;
		1542	req->uint1 = kbyte;
		1543	req->int1 = min;
		1544	req->uint2 = flags;
		1545	REQ_SEND;
		1546	}
		1547
		1548	void
		1549	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
		1552	CODE:
		1553	{
		1554	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1555	req->env = env;
		1556	req->uint1 = flags;
		1557	req->uint2 = atype;
		1558	/* req->int2 = 0; dummy */
		1559	REQ_SEND;
		1560	}
		1561
		1562	void
		1563	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
		1566	CODE:
		1567	{
		1568	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1569	req->env = env;
		1570	REQ_SEND;
		1571	}
		1572
		1573	void
		1574	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
		1577	CODE:
		1578	{
		1579	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1580	req->env = env;
		1581	req->int1 = percent;
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1587	PREINIT:
		1588	CALLBACK
		1589	CODE:
		1590	{
		1591	dREQ (REQ_ENV_DBREMOVE, 2);
		1592	req->env = env;
		1593	req->buf1 = strdup_ornull (file);
		1594	req->buf2 = strdup_ornull (database);
		1595	req->uint1 = flags;
		1596	REQ_SEND;
		1597	}
		1598
		1599	void
		1600	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1601	PREINIT:
		1602	CALLBACK
		1603	CODE:
		1604	{
		1605	dREQ (REQ_ENV_DBRENAME, 2);
		1606	req->env = env;
		1607	req->buf1 = strdup_ornull (file);
		1608	req->buf2 = strdup_ornull (database);
		1609	req->buf3 = strdup_ornull (newname);
		1610	req->uint1 = flags;
		1611	REQ_SEND;
909	}	1612	}
910		1613
911	DB *	1614	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1615	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1616	CODE:
914	{	1617	{
915	int err = db_create (&RETVAL, env, flags);	1618	errno = db_create (&RETVAL, env, flags);
916	if (err)	1619	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1620	croak ("db_create: %s", db_strerror (errno));
918	}
919		1621
		1622	if (RETVAL)
		1623	RETVAL->app_private = (void *)newSVsv (ST (0));
		1624	}
		1625	OUTPUT:
		1626	RETVAL
		1627
920	void	1628	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)	1629	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1630	PREINIT:
		1631	CALLBACK
922	CODE:	1632	CODE:
923	{	1633	{
924	dREQ (REQ_DB_OPEN);	1634	dREQ (REQ_DB_OPEN, 2);
925	req->db = db;	1635	req->db = db;
926	req->txn = txnid;	1636	req->txn = txnid;
927	req->buf1 = strdup (file);	1637	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1638	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1639	req->int1 = type;
930	req->uint1 = flags;	1640	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1641	req->int2 = mode;
932	REQ_SEND;	1642	REQ_SEND;
933	}	1643	}
934		1644
935	void	1645	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1646	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1647	PREINIT:
		1648	CALLBACK
937	CODE:	1649	CODE:
938	{	1650	{
939	dREQ (REQ_DB_CLOSE);	1651	dREQ (REQ_DB_CLOSE, 1);
940	req->db = db;	1652	req->db = db;
941	req->uint1 = flags;	1653	req->uint1 = flags;
		1654	req->sv1 = (SV *)db->app_private;
942	REQ_SEND;	1655	REQ_SEND;
		1656	ptr_nuke (ST (0));
943	}	1657	}
		1658
		1659	#if DB_VERSION_MINOR >= 4
		1660
		1661	void
		1662	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
		1663	PREINIT:
		1664	CALLBACK
		1665	CODE:
		1666	{
		1667	dREQ (REQ_DB_COMPACT, 2);
		1668	req->db = db;
		1669	req->txn = txn;
		1670	sv_to_dbt (&req->dbt1, start);
		1671	sv_to_dbt (&req->dbt2, stop);
		1672	req->uint1 = flags;
		1673	REQ_SEND;
		1674	}
		1675
		1676	#endif
		1677
		1678	void
		1679	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
		1682	CODE:
		1683	{
		1684	dREQ (REQ_DB_SYNC, 1);
		1685	req->db = db;
		1686	req->uint1 = flags;
		1687	REQ_SEND;
		1688	}
		1689
		1690	void
		1691	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1692	PREINIT:
		1693	CALLBACK
		1694	CODE:
		1695	{
		1696	dREQ (REQ_DB_SYNC, 1);
		1697	req->db = db;
		1698	req->buf1 = strdup (file);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_DB_KEY_RANGE, 2);
		1710	req->db = db;
		1711	req->txn = txn;
		1712	sv_to_dbt (&req->dbt1, key);
		1713	req->uint1 = flags;
		1714	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
		1719	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_PUT, 2);
		1725	req->db = db;
		1726	req->txn = txn;
		1727	sv_to_dbt (&req->dbt1, key);
		1728	sv_to_dbt (&req->dbt2, data);
		1729	req->uint1 = flags;
		1730	REQ_SEND;
		1731	}
		1732
		1733	#if DB_VERSION_MINOR >= 6
		1734
		1735	void
		1736	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
		1739	CODE:
		1740	{
		1741	dREQ (REQ_DB_EXISTS, 2);
		1742	req->db = db;
		1743	req->txn = txn;
		1744	req->uint1 = flags;
		1745	sv_to_dbt (&req->dbt1, key);
		1746	REQ_SEND;
		1747	}
		1748
		1749	#endif
		1750
		1751	void
		1752	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1753	PREINIT:
		1754	CALLBACK
		1755	CODE:
		1756	if (SvREADONLY (data))
		1757	croak ("can't modify read-only data scalar in db_get");
		1758	{
		1759	dREQ (REQ_DB_GET, 2);
		1760	req->db = db;
		1761	req->txn = txn;
		1762	req->uint1 = flags;
		1763	sv_to_dbt (&req->dbt1, key);
		1764	req->dbt3.flags = DB_DBT_MALLOC;
		1765	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1766	REQ_SEND;
		1767	}
		1768
		1769	void
		1770	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1771	PREINIT:
		1772	CALLBACK
		1773	CODE:
		1774	if (SvREADONLY (data))
		1775	croak ("can't modify read-only data scalar in db_pget");
		1776	{
		1777	dREQ (REQ_DB_PGET, 2);
		1778	req->db = db;
		1779	req->txn = txn;
		1780	req->uint1 = flags;
		1781	sv_to_dbt (&req->dbt1, key);
		1782	sv_to_dbt (&req->dbt2, pkey);
		1783	req->dbt3.flags = DB_DBT_MALLOC;
		1784	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1785	REQ_SEND;
		1786	}
		1787
		1788	void
		1789	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1790	PREINIT:
		1791	CALLBACK
		1792	CODE:
		1793	{
		1794	dREQ (REQ_DB_DEL, 2);
		1795	req->db = db;
		1796	req->txn = txn;
		1797	req->uint1 = flags;
		1798	sv_to_dbt (&req->dbt1, key);
		1799	REQ_SEND;
		1800	}
		1801
		1802	void
		1803	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1804	PREINIT:
		1805	CALLBACK
		1806	CODE:
		1807	{
		1808	dREQ (REQ_TXN_COMMIT, 1);
		1809	req->txn = txn;
		1810	req->uint1 = flags;
		1811	REQ_SEND;
		1812	ptr_nuke (ST (0));
		1813	}
		1814
		1815	void
		1816	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
		1819	CODE:
		1820	{
		1821	dREQ (REQ_TXN_ABORT, 1);
		1822	req->txn = txn;
		1823	REQ_SEND;
		1824	ptr_nuke (ST (0));
		1825	}
		1826
		1827	void
		1828	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
		1831	CODE:
		1832	{
		1833	dREQ (REQ_TXN_FINISH, 1);
		1834	req->txn = txn;
		1835	req->uint1 = flags;
		1836	REQ_SEND;
		1837	ptr_nuke (ST (0));
		1838	}
		1839
		1840	void
		1841	db_c_close (DBC *dbc, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
		1844	CODE:
		1845	{
		1846	dREQ (REQ_C_CLOSE, 1);
		1847	req->dbc = dbc;
		1848	REQ_SEND;
		1849	ptr_nuke (ST (0));
		1850	}
		1851
		1852	void
		1853	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_C_COUNT, 1);
		1859	req->dbc = dbc;
		1860	req->sv1 = SvREFCNT_inc (count);
		1861	REQ_SEND;
		1862	}
		1863
		1864	void
		1865	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1866	PREINIT:
		1867	CALLBACK
		1868	CODE:
		1869	{
		1870	dREQ (REQ_C_PUT, 1);
		1871	req->dbc = dbc;
		1872	sv_to_dbt (&req->dbt1, key);
		1873	sv_to_dbt (&req->dbt2, data);
		1874	req->uint1 = flags;
		1875	REQ_SEND;
		1876	}
		1877
		1878	void
		1879	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1880	PREINIT:
		1881	CALLBACK
		1882	CODE:
		1883	{
		1884	dREQ (REQ_C_GET, 1);
		1885	req->dbc = dbc;
		1886	req->uint1 = flags;
		1887	if ((flags & DB_SET) == DB_SET
		1888	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1889	sv_to_dbt (&req->dbt1, key);
		1890	else
		1891	req->dbt1.flags = DB_DBT_MALLOC;
		1892
		1893	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1894
		1895	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1896	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1897	sv_to_dbt (&req->dbt3, data);
		1898	else
		1899	req->dbt3.flags = DB_DBT_MALLOC;
		1900
		1901	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1902	REQ_SEND;
		1903	}
		1904
		1905	void
		1906	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
		1909	CODE:
		1910	{
		1911	dREQ (REQ_C_PGET, 1);
		1912	req->dbc = dbc;
		1913	req->uint1 = flags;
		1914	if ((flags & DB_SET) == DB_SET
		1915	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1916	sv_to_dbt (&req->dbt1, key);
		1917	else
		1918	req->dbt1.flags = DB_DBT_MALLOC;
		1919
		1920	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1921
		1922	req->dbt2.flags = DB_DBT_MALLOC;
		1923	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1924
		1925	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1926	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1927	sv_to_dbt (&req->dbt3, data);
		1928	else
		1929	req->dbt3.flags = DB_DBT_MALLOC;
		1930
		1931	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1932	REQ_SEND;
		1933	}
		1934
		1935	void
		1936	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1937	PREINIT:
		1938	CALLBACK
		1939	CODE:
		1940	{
		1941	dREQ (REQ_C_DEL, 1);
		1942	req->dbc = dbc;
		1943	req->uint1 = flags;
		1944	REQ_SEND;
		1945	}
		1946
		1947
		1948	#if DB_VERSION_MINOR >= 3
		1949
		1950	void
		1951	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
		1954	CODE:
		1955	{
		1956	dREQ (REQ_SEQ_OPEN, 2);
		1957	req->seq = seq;
		1958	req->txn = txnid;
		1959	req->uint1 = flags | DB_THREAD;
		1960	sv_to_dbt (&req->dbt1, key);
		1961	REQ_SEND;
		1962	}
		1963
		1964	void
		1965	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1966	PREINIT:
		1967	CALLBACK
		1968	CODE:
		1969	{
		1970	dREQ (REQ_SEQ_CLOSE, 1);
		1971	req->seq = seq;
		1972	req->uint1 = flags;
		1973	REQ_SEND;
		1974	ptr_nuke (ST (0));
		1975	}
		1976
		1977	void
		1978	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1979	PREINIT:
		1980	CALLBACK
		1981	CODE:
		1982	{
		1983	dREQ (REQ_SEQ_GET, 2);
		1984	req->seq = seq;
		1985	req->txn = txnid;
		1986	req->int1 = delta;
		1987	req->uint1 = flags;
		1988	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1989	REQ_SEND;
		1990	}
		1991
		1992	void
		1993	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
		1996	CODE:
		1997	{
		1998	dREQ (REQ_SEQ_REMOVE, 2);
		1999	req->seq = seq;
		2000	req->txn = txnid;
		2001	req->uint1 = flags;
		2002	REQ_SEND;
		2003	}
		2004
		2005	#endif
944		2006
945		2007
946	MODULE = BDB PACKAGE = BDB::Env	2008	MODULE = BDB PACKAGE = BDB::Env
947		2009
		2010	void
		2011	DESTROY (DB_ENV_ornuked *env)
		2012	CODE:
		2013	if (env)
		2014	env->close (env, 0);
		2015
		2016	int set_data_dir (DB_ENV *env, const char *dir)
		2017	CODE:
		2018	RETVAL = env->set_data_dir (env, dir);
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	int set_tmp_dir (DB_ENV *env, const char *dir)
		2023	CODE:
		2024	RETVAL = env->set_tmp_dir (env, dir);
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	int set_lg_dir (DB_ENV *env, const char *dir)
		2029	CODE:
		2030	RETVAL = env->set_lg_dir (env, dir);
		2031	OUTPUT:
		2032	RETVAL
		2033
		2034	int set_shm_key (DB_ENV *env, long shm_key)
		2035	CODE:
		2036	RETVAL = env->set_shm_key (env, shm_key);
		2037	OUTPUT:
		2038	RETVAL
		2039
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2040	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		2041	CODE:
		2042	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		2043	OUTPUT:
		2044	RETVAL
949		2045
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	2046	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		2047	CODE:
		2048	RETVAL = env->set_flags (env, flags, onoff);
		2049	OUTPUT:
		2050	RETVAL
951		2051
		2052	#if DB_VERSION_MINOR >= 7
		2053
		2054	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2055	CODE:
		2056	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2057	OUTPUT:
		2058	RETVAL
		2059
		2060	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2061	CODE:
		2062	RETVAL = env->log_set_config (env, flags, onoff);
		2063	OUTPUT:
		2064	RETVAL
		2065
		2066	#endif
		2067
		2068
		2069	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2070	CODE:
		2071	env->set_errfile (env, errfile);
		2072
		2073	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2074	CODE:
		2075	env->set_msgfile (env, msgfile);
		2076
		2077	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2078	CODE:
		2079	RETVAL = env->set_verbose (env, which, onoff);
		2080	OUTPUT:
		2081	RETVAL
		2082
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	2083	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		2084	CODE:
		2085	RETVAL = env->set_encrypt (env, password, flags);
		2086	OUTPUT:
		2087	RETVAL
		2088
		2089	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2090	CODE:
		2091	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		2092	OUTPUT:
		2093	RETVAL
		2094
		2095	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2096	CODE:
		2097	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2098	OUTPUT:
		2099	RETVAL
		2100
		2101	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2102	CODE:
		2103	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2104	OUTPUT:
		2105	RETVAL
		2106
		2107	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2108	CODE:
		2109	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2110	OUTPUT:
		2111	RETVAL
		2112
		2113	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2114	CODE:
		2115	RETVAL = env->set_lk_detect (env, detect);
		2116	OUTPUT:
		2117	RETVAL
		2118
		2119	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2120	CODE:
		2121	RETVAL = env->set_lk_max_lockers (env, max);
		2122	OUTPUT:
		2123	RETVAL
		2124
		2125	int set_lk_max_locks (DB_ENV *env, U32 max)
		2126	CODE:
		2127	RETVAL = env->set_lk_max_locks (env, max);
		2128	OUTPUT:
		2129	RETVAL
		2130
		2131	int set_lk_max_objects (DB_ENV *env, U32 max)
		2132	CODE:
		2133	RETVAL = env->set_lk_max_objects (env, max);
		2134	OUTPUT:
		2135	RETVAL
		2136
		2137	int set_lg_bsize (DB_ENV *env, U32 max)
		2138	CODE:
		2139	RETVAL = env->set_lg_bsize (env, max);
		2140	OUTPUT:
		2141	RETVAL
		2142
		2143	int set_lg_max (DB_ENV *env, U32 max)
		2144	CODE:
		2145	RETVAL = env->set_lg_max (env, max);
		2146	OUTPUT:
		2147	RETVAL
		2148
		2149	#if DB_VERSION_MINOR >= 4
		2150
		2151	int mutex_set_max (DB_ENV *env, U32 max)
		2152	CODE:
		2153	RETVAL = env->mutex_set_max (env, max);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_increment (DB_ENV *env, U32 increment)
		2158	CODE:
		2159	RETVAL = env->mutex_set_increment (env, increment);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2164	CODE:
		2165	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2166	OUTPUT:
		2167	RETVAL
		2168
		2169	int mutex_set_align (DB_ENV *env, U32 align)
		2170	CODE:
		2171	RETVAL = env->mutex_set_align (env, align);
		2172	OUTPUT:
		2173	RETVAL
		2174
		2175	#endif
		2176
		2177	DB_TXN *
		2178	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2179	CODE:
		2180	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2181	if (errno)
		2182	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2183	OUTPUT:
		2184	RETVAL
		2185
		2186	#if DB_VERSION_MINOR >= 5
		2187
		2188	DB_TXN *
		2189	cdsgroup_begin (DB_ENV *env)
		2190	CODE:
		2191	errno = env->cdsgroup_begin (env, &RETVAL);
		2192	if (errno)
		2193	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	#endif
953		2198
954	MODULE = BDB PACKAGE = BDB::Db	2199	MODULE = BDB PACKAGE = BDB::Db
955		2200
		2201	void
		2202	DESTROY (DB_ornuked *db)
		2203	CODE:
		2204	if (db)
		2205	{
		2206	SV *env = (SV *)db->app_private;
		2207	db->close (db, 0);
		2208	SvREFCNT_dec (env);
		2209	}
		2210
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2211	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		2212	CODE:
		2213	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		2214	OUTPUT:
		2215	RETVAL
957		2216
958	int set_flags (DB *env, U32 flags, int onoff)	2217	int set_flags (DB *db, U32 flags)
		2218	CODE:
		2219	RETVAL = db->set_flags (db, flags);
		2220	OUTPUT:
		2221	RETVAL
959		2222
960	int set_encrypt (DB *db, const char *password, U32 flags)	2223	int set_encrypt (DB *db, const char *password, U32 flags)
		2224	CODE:
		2225	RETVAL = db->set_encrypt (db, password, flags);
		2226	OUTPUT:
		2227	RETVAL
961		2228
962	int set_lorder (DB *db, int lorder)	2229	int set_lorder (DB *db, int lorder)
963		2230	CODE:
		2231	RETVAL = db->set_lorder (db, lorder);
		2232	OUTPUT:
		2233	RETVAL
964		2234
965	int set_bt_minkey (DB *db, U32 minkey)	2235	int set_bt_minkey (DB *db, U32 minkey)
		2236	CODE:
		2237	RETVAL = db->set_bt_minkey (db, minkey);
		2238	OUTPUT:
		2239	RETVAL
966		2240
967	int set_re_delim(DB *db, int delim);	2241	int set_re_delim (DB *db, int delim)
		2242	CODE:
		2243	RETVAL = db->set_re_delim (db, delim);
		2244	OUTPUT:
		2245	RETVAL
968		2246
969	int set_re_pad (DB *db, int re_pad)	2247	int set_re_pad (DB *db, int re_pad)
		2248	CODE:
		2249	RETVAL = db->set_re_pad (db, re_pad);
		2250	OUTPUT:
		2251	RETVAL
970		2252
971	int set_re_source (DB *db, char *source)	2253	int set_re_source (DB *db, char *source)
		2254	CODE:
		2255	RETVAL = db->set_re_source (db, source);
		2256	OUTPUT:
		2257	RETVAL
972		2258
973	int set_re_len (DB *db, U32 re_len)	2259	int set_re_len (DB *db, U32 re_len)
		2260	CODE:
		2261	RETVAL = db->set_re_len (db, re_len);
		2262	OUTPUT:
		2263	RETVAL
974		2264
975	int set_h_ffactor (DB *db, U32 h_ffactor)	2265	int set_h_ffactor (DB *db, U32 h_ffactor)
		2266	CODE:
		2267	RETVAL = db->set_h_ffactor (db, h_ffactor);
		2268	OUTPUT:
		2269	RETVAL
976		2270
977	int set_h_nelem (DB *db, U32 h_nelem)	2271	int set_h_nelem (DB *db, U32 h_nelem)
		2272	CODE:
		2273	RETVAL = db->set_h_nelem (db, h_nelem);
		2274	OUTPUT:
		2275	RETVAL
978		2276
979	int set_q_extentsize (DB *db, U32 extentsize)	2277	int set_q_extentsize (DB *db, U32 extentsize)
		2278	CODE:
		2279	RETVAL = db->set_q_extentsize (db, extentsize);
		2280	OUTPUT:
		2281	RETVAL
980		2282
		2283	DBC *
		2284	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2285	CODE:
		2286	errno = db->cursor (db, txn, &RETVAL, flags);
		2287	if (errno)
		2288	croak ("DB->cursor: %s", db_strerror (errno));
		2289	OUTPUT:
		2290	RETVAL
981		2291
		2292	#if DB_VERSION_MINOR >= 3
		2293
		2294	DB_SEQUENCE *
		2295	sequence (DB *db, U32 flags = 0)
		2296	CODE:
		2297	{
		2298	errno = db_sequence_create (&RETVAL, db, flags);
		2299	if (errno)
		2300	croak ("db_sequence_create: %s", db_strerror (errno));
		2301	}
		2302	OUTPUT:
		2303	RETVAL
		2304
		2305	#endif
		2306
		2307
		2308	MODULE = BDB PACKAGE = BDB::Txn
		2309
		2310	void
		2311	DESTROY (DB_TXN_ornuked *txn)
		2312	CODE:
		2313	if (txn)
		2314	txn->abort (txn);
		2315
		2316	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2317	CODE:
		2318	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2319	OUTPUT:
		2320	RETVAL
		2321
		2322	int failed (DB_TXN *txn)
		2323	CODE:
		2324	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2325	OUTPUT:
		2326	RETVAL
		2327
		2328
		2329	MODULE = BDB PACKAGE = BDB::Cursor
		2330
		2331	void
		2332	DESTROY (DBC_ornuked *dbc)
		2333	CODE:
		2334	if (dbc)
		2335	dbc->c_close (dbc);
		2336
		2337	#if DB_VERSION_MINOR >= 6
		2338
		2339	int set_priority (DBC *dbc, int priority)
		2340	CODE:
		2341	dbc->set_priority (dbc, priority);
		2342
		2343	#endif
		2344
		2345	#if DB_VERSION_MINOR >= 3
		2346
		2347	MODULE = BDB PACKAGE = BDB::Sequence
		2348
		2349	void
		2350	DESTROY (DB_SEQUENCE_ornuked *seq)
		2351	CODE:
		2352	if (seq)
		2353	seq->close (seq, 0);
		2354
		2355	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2356	CODE:
		2357	RETVAL = seq->initial_value (seq, value);
		2358	OUTPUT:
		2359	RETVAL
		2360
		2361	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2362	CODE:
		2363	RETVAL = seq->set_cachesize (seq, size);
		2364	OUTPUT:
		2365	RETVAL
		2366
		2367	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2368	CODE:
		2369	RETVAL = seq->set_flags (seq, flags);
		2370	OUTPUT:
		2371	RETVAL
		2372
		2373	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2374	CODE:
		2375	RETVAL = seq->set_range (seq, min, max);
		2376	OUTPUT:
		2377	RETVAL
		2378
		2379	#endif
		2380
		2381

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