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Comparing BDB/BDB.xs (file contents):
Revision 1.16 by root, Mon Aug 13 12:01:45 2007 UTC vs.
Revision 1.51 by root, Thu Sep 25 13:28:37 2008 UTC

		1	#include <sys/user.h>
		2	#include <sys/ptrace.h>
		3
		4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		5
1	#include "xthread.h"	6	#include "xthread.h"
2		7
3	#include <errno.h>	8	#include <errno.h>
4		9
5	#include "EXTERN.h"	10	#include "EXTERN.h"
…		…
27	# include <unistd.h>	32	# include <unistd.h>
28	#endif	33	#endif
29		34
30	#include <db.h>	35	#include <db.h>
31		36
32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
33	# error you need Berkeley DB 4.4 or newer installed	38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
34	#endif	39	#endif
35		40
36	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
38		43
39	typedef DB_ENV DB_ENV_ornull;	44	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	45	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	46	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	47	typedef DB DB_ornull;
		48
		49	typedef DB_ENV DB_ENV_ornuked;
		50	typedef DB_TXN DB_TXN_ornuked;
		51	typedef DBC DBC_ornuked;
		52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		57	#endif
44		58
45	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	60	typedef char *bdb_filename;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
49		63
50	#if DB_VERSION_MINOR >= 6	64	#if DB_VERSION_MINOR >= 6
51	# define c_close close	65	# define c_close close
…		…
55	# define c_get get	69	# define c_get get
56	# define c_pget pget	70	# define c_pget pget
57	# define c_put put	71	# define c_put put
58	#endif	72	#endif
59		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
60	static void	104	static void
61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)	105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62	{	106	{
63	printf ("err[%s]\n", msg);	107	printf ("err[%s]\n", msg);
64	}	108	}
…		…
91	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
92	{	136	{
93	if (sv)	137	if (sv)
94	{	138	{
95	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
96	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
97	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
98	}	142	}
99		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
100	free (dbt->data);	145	free (dbt->data);
101	}	146	}
102		147
103	enum {	148	enum {
104	REQ_QUIT,	149	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
109	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	157	};
113		158
114	typedef struct aio_cb	159	typedef struct bdb_cb
115	{	160	{
116	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
117	SV *callback;	162	SV *callback;
118	int type, pri, result;	163	int type, pri, result;
119		164
120	DB_ENV *env;	165	DB_ENV *env;
121	DB *db;	166	DB *db;
…		…
123	DBC *dbc;	168	DBC *dbc;
124		169
125	UV uv1;	170	UV uv1;
126	int int1, int2;	171	int int1, int2;
127	U32 uint1, uint2;	172	U32 uint1, uint2;
128	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
129	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
130		175
131	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
133	DB_SEQUENCE *seq;	179	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	180	db_seq_t seq_t;
135	} aio_cb;	181	#endif
136		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
137	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
138		187
139	enum {	188	enum {
140	PRI_MIN = -4,	189	PRI_MIN = -4,
141	PRI_MAX = 4,	190	PRI_MAX = 4,
142		191
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	195	};
147		196
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		198
		199	static SV *on_next_submit;
		200
150	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
152		203
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
169	struct worker *prev, *next;	220	struct worker *prev, *next;
170		221
171	thread_t tid;	222	thread_t tid;
172		223
173	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
175	void *dbuf;	226	void *dbuf;
176	DIR *dirp;	227	DIR *dirp;
177	} worker;	228	} worker;
178		229
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
191	}	242	}
192		243
193	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
194	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
195	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
196	static int respipe [2], respipe_osf [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
197		248
198	static mutex_t reslock = X_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
199	static mutex_t reqlock = X_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	251	static cond_t reqwait = X_COND_INIT;
201		252
202	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
203		254
204	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
205	{	256	{
206	unsigned int retval;	257	unsigned int retval;
207		258
208	X_LOCK (reqlock);	259	X_LOCK (reqlock);
209	retval = nready;	260	retval = nready;
210	X_UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
211		262
212	return retval;	263	return retval;
213	}	264	}
214		265
215	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
216	{	267	{
217	unsigned int retval;	268	unsigned int retval;
218		269
219	X_LOCK (reslock);	270	X_LOCK (reslock);
220	retval = npending;	271	retval = npending;
221	X_UNLOCK (reslock);	272	X_UNLOCK (reslock);
222		273
223	return retval;	274	return retval;
224	}	275	}
225		276
226	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
227	{	278	{
228	unsigned int retval;	279	unsigned int retval;
229		280
230	X_LOCK (wrklock);	281	X_LOCK (wrklock);
231	retval = started;	282	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
249	*/	300	*/
250	typedef struct {	301	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	303	int size;
253	} reqq;	304	} reqq;
254		305
255	static reqq req_queue;	306	static reqq req_queue;
256	static reqq res_queue;	307	static reqq res_queue;
257		308
258	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
259	{	310	{
260	int pri = req->pri;	311	int pri = req->pri;
261	req->next = 0;	312	req->next = 0;
262		313
263	if (q->qe[pri])	314	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
270		321
271	return q->size++;	322	return q->size++;
272	}	323	}
273		324
274	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
275	{	326	{
276	int pri;	327	int pri;
277		328
278	if (!q->size)	329	if (!q->size)
279	return 0;	330	return 0;
280		331
281	--q->size;	332	--q->size;
282		333
283	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
284	{	335	{
285	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
286		337
287	if (req)	338	if (req)
288	{	339	{
289	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
294	}	345	}
295		346
296	abort ();	347	abort ();
297	}	348	}
298		349
299	static int poll_cb ();	350	static int poll_cb (void);
300	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
302		353
303	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
304	{	355	{
305	dSP;	356	dSP;
306		357
307	if (SvOK (req->callback))	358	if (req->callback)
308	{	359	{
309	ENTER;	360	ENTER;
310	SAVETMPS;	361	SAVETMPS;
311	PUSHMARK (SP);	362	PUSHMARK (SP);
312		363
…		…
326	dbt_to_sv (req->sv1, &req->dbt1);	377	dbt_to_sv (req->sv1, &req->dbt1);
327	dbt_to_sv (req->sv2, &req->dbt2);	378	dbt_to_sv (req->sv2, &req->dbt2);
328	dbt_to_sv (req->sv3, &req->dbt3);	379	dbt_to_sv (req->sv3, &req->dbt3);
329	break;	380	break;
330		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
331	case REQ_DB_KEY_RANGE:	388	case REQ_DB_KEY_RANGE:
332	{	389	{
333	AV *av = newAV ();	390	AV *av = newAV ();
334		391
335	av_push (av, newSVnv (req->key_range.less));	392	av_push (av, newSVnv (req->key_range.less));
…		…
340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341	SvREFCNT_dec (req->sv1);	398	SvREFCNT_dec (req->sv1);
342	}	399	}
343	break;	400	break;
344		401
		402	#if DB_VERSION_MINOR >= 3
345	case REQ_SEQ_GET:	403	case REQ_SEQ_GET:
346	SvREADONLY_off (req->sv1);	404	SvREADONLY_off (req->sv1);
347		405
348	if (sizeof (IV) > 4)	406	if (sizeof (IV) > 4)
349	sv_setiv_mg (req->sv1, req->seq_t);	407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
350	else	408	else
351	sv_setnv_mg (req->sv1, req->seq_t);	409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
352		410
353	SvREFCNT_dec (req->sv1);	411	SvREFCNT_dec (req->sv1);
354	break;	412	break;
		413	#endif
355	}	414	}
356		415
357	errno = req->result;	416	errno = req->result;
358		417
359	PUTBACK;	418	PUTBACK;
…		…
365	}	424	}
366		425
367	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
368	}	427	}
369		428
370	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
371	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
372	free (req->buf1);	436	free (req->buf1);
373	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
374	Safefree (req);	440	Safefree (req);
375	}	441	}
376		442
377	#ifdef USE_SOCKETS_AS_HANDLES	443	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))	444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else	445	#else
380	# define TO_SOCKET(x) (x)	446	# define TO_SOCKET(x) (x)
381	#endif	447	#endif
382		448
383	static void	449	static void
384	create_pipe (int fd[2])	450	create_respipe (void)
385	{	451	{
386	#ifdef _WIN32	452	#ifdef _WIN32
387	int arg = 1;	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
388	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)	461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
389	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
390	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
391	#else	462	#else
392	if (pipe (fd)	463	if (pipe (respipe))
393	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
394	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
395	#endif	464	#endif
396	croak ("unable to initialize result pipe");	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)");
397		485
398	respipe_osf [0] = TO_SOCKET (respipe [0]);	486	respipe_osf [0] = TO_SOCKET (respipe [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);	487	respipe_osf [1] = TO_SOCKET (respipe [1]);
400	}	488	}
401		489
…		…
421	free (wrk);	509	free (wrk);
422		510
423	X_UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
424	}	512	}
425		513
426	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
427	{	515	{
428	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
429	return;	517	return;
430		518
431	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
433	return;	521	return;
434		522
435	start_thread ();	523	start_thread ();
436	}	524	}
437		525
438	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
439	{	527	{
440	SV *wait_callback = 0;	528	SV *wait_callback = 0;
441		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
442	// synthesize callback if none given	543	// synthesize callback if none given
443	if (!SvOK (req->callback))	544	if (!req->callback)
444	{	545	{
445	int count;	546	int count;
446		547
447	dSP;	548	dSP;
448	PUSHMARK (SP);	549	PUSHMARK (SP);
…		…
451	SPAGAIN;	552	SPAGAIN;
452		553
453	if (count != 2)	554	if (count != 2)
454	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
455		556
456	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
457	SvREFCNT_dec (req->callback);
458	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
459	}	559	}
460		560
461	++nreqs;	561	++nreqs;
462		562
…		…
472	{	572	{
473	dSP;	573	dSP;
474	PUSHMARK (SP);	574	PUSHMARK (SP);
475	PUTBACK;	575	PUTBACK;
476	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
477	SvREFCNT_dec (wait_callback);
478	}	577	}
479	}	578	}
480		579
481	static void end_thread (void)	580	static void end_thread (void)
482	{	581	{
483	aio_req req;	582	bdb_req req;
484		583
485	Newz (0, req, 1, aio_cb);	584	Newz (0, req, 1, bdb_cb);
486		585
487	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
488	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
489		588
490	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
517		616
518	while (started > wanted)	617	while (started > wanted)
519	end_thread ();	618	end_thread ();
520	}	619	}
521		620
522	static void poll_wait ()	621	static void poll_wait (void)
523	{	622	{
524	fd_set rfd;	623	fd_set rfd;
525		624
526	while (nreqs)	625	while (nreqs)
527	{	626	{
…		…
540		639
541	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
542	}	641	}
543	}	642	}
544		643
545	static int poll_cb ()	644	static int poll_cb (void)
546	{	645	{
547	dSP;	646	dSP;
548	int count = 0;	647	int count = 0;
549	int maxreqs = max_poll_reqs;	648	int maxreqs = max_poll_reqs;
550	int do_croak = 0;	649	int do_croak = 0;
551	struct timeval tv_start, tv_now;	650	struct timeval tv_start, tv_now;
552	aio_req req;	651	bdb_req req;
553		652
554	if (max_poll_time)	653	if (max_poll_time)
555	gettimeofday (&tv_start, 0);	654	gettimeofday (&tv_start, 0);
556		655
557	for (;;)	656	for (;;)
…		…
616	return count;	715	return count;
617	}	716	}
618		717
619	/*****************************************************************************/	718	/*****************************************************************************/
620		719
		720	static void
		721	bdb_request (bdb_req req)
		722	{
		723	switch (req->type)
		724	{
		725	case REQ_ENV_OPEN:
		726	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		727	break;
		728
		729	case REQ_ENV_CLOSE:
		730	req->result = req->env->close (req->env, req->uint1);
		731	break;
		732
		733	case REQ_ENV_TXN_CHECKPOINT:
		734	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		735	break;
		736
		737	case REQ_ENV_LOCK_DETECT:
		738	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		739	break;
		740
		741	case REQ_ENV_MEMP_SYNC:
		742	req->result = req->env->memp_sync (req->env, 0);
		743	break;
		744
		745	case REQ_ENV_MEMP_TRICKLE:
		746	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		747	break;
		748
		749	case REQ_ENV_DBREMOVE:
		750	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		751	break;
		752
		753	case REQ_ENV_DBRENAME:
		754	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		755	break;
		756
		757	case REQ_DB_OPEN:
		758	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		759	break;
		760
		761	case REQ_DB_CLOSE:
		762	req->result = req->db->close (req->db, req->uint1);
		763	break;
		764
		765	#if DB_VERSION_MINOR >= 4
		766	case REQ_DB_COMPACT:
		767	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		768	break;
		769	#endif
		770
		771	case REQ_DB_SYNC:
		772	req->result = req->db->sync (req->db, req->uint1);
		773	break;
		774
		775	case REQ_DB_UPGRADE:
		776	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		777	break;
		778
		779	case REQ_DB_PUT:
		780	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		781	break;
		782
		783	#if DB_VERSION_MINOR >= 6
		784	case REQ_DB_EXISTS:
		785	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		786	break;
		787	#endif
		788	case REQ_DB_GET:
		789	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		790	break;
		791
		792	case REQ_DB_PGET:
		793	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		794	break;
		795
		796	case REQ_DB_DEL:
		797	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		798	break;
		799
		800	case REQ_DB_KEY_RANGE:
		801	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		802	break;
		803
		804	case REQ_TXN_COMMIT:
		805	req->result = req->txn->commit (req->txn, req->uint1);
		806	break;
		807
		808	case REQ_TXN_ABORT:
		809	req->result = req->txn->abort (req->txn);
		810	break;
		811
		812	case REQ_TXN_FINISH:
		813	if (req->txn->flags & TXN_DEADLOCK)
		814	{
		815	req->result = req->txn->abort (req->txn);
		816	if (!req->result)
		817	req->result = DB_LOCK_DEADLOCK;
		818	}
		819	else
		820	req->result = req->txn->commit (req->txn, req->uint1);
		821	break;
		822
		823	case REQ_C_CLOSE:
		824	req->result = req->dbc->c_close (req->dbc);
		825	break;
		826
		827	case REQ_C_COUNT:
		828	{
		829	db_recno_t recno;
		830	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		831	req->uv1 = recno;
		832	}
		833	break;
		834
		835	case REQ_C_PUT:
		836	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		837	break;
		838
		839	case REQ_C_GET:
		840	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		841	break;
		842
		843	case REQ_C_PGET:
		844	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		845	break;
		846
		847	case REQ_C_DEL:
		848	req->result = req->dbc->c_del (req->dbc, req->uint1);
		849	break;
		850
		851	#if DB_VERSION_MINOR >= 3
		852	case REQ_SEQ_OPEN:
		853	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		854	break;
		855
		856	case REQ_SEQ_CLOSE:
		857	req->result = req->seq->close (req->seq, req->uint1);
		858	break;
		859
		860	case REQ_SEQ_GET:
		861	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		862	break;
		863
		864	case REQ_SEQ_REMOVE:
		865	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		866	break;
		867	#endif
		868
		869	default:
		870	req->result = ENOSYS;
		871	break;
		872	}
		873
		874	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		875	req->txn->flags |= TXN_DEADLOCK;
		876	}
		877
621	X_THREAD_PROC (bdb_proc)	878	X_THREAD_PROC (bdb_proc)
622	{	879	{
623	aio_req req;	880	bdb_req req;
624	struct timespec ts;	881	struct timespec ts;
625	worker *self = (worker *)thr_arg;	882	worker *self = (worker *)thr_arg;
626		883
627	/* try to distribute timeouts somewhat evenly */	884	/* try to distribute timeouts somewhat evenly */
628	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	885	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
…		…
664	}	921	}
665		922
666	--nready;	923	--nready;
667		924
668	X_UNLOCK (reqlock);	925	X_UNLOCK (reqlock);
669		926
670	switch (req->type)	927	if (req->type == REQ_QUIT)
671	{
672	case REQ_QUIT:
673	goto quit;	928	goto quit;
674		929
675	case REQ_ENV_OPEN:	930	bdb_request (req);
676	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
677	break;
678
679	case REQ_ENV_CLOSE:
680	req->result = req->env->close (req->env, req->uint1);
681	break;
682
683	case REQ_ENV_TXN_CHECKPOINT:
684	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
685	break;
686
687	case REQ_ENV_LOCK_DETECT:
688	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
689	break;
690
691	case REQ_ENV_MEMP_SYNC:
692	req->result = req->env->memp_sync (req->env, 0);
693	break;
694
695	case REQ_ENV_MEMP_TRICKLE:
696	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
697	break;
698
699	case REQ_DB_OPEN:
700	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
701	break;
702
703	case REQ_DB_CLOSE:
704	req->result = req->db->close (req->db, req->uint1);
705	break;
706
707	case REQ_DB_COMPACT:
708	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
709	break;
710
711	case REQ_DB_SYNC:
712	req->result = req->db->sync (req->db, req->uint1);
713	break;
714
715	case REQ_DB_PUT:
716	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
717	break;
718
719	case REQ_DB_GET:
720	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
721	break;
722
723	case REQ_DB_PGET:
724	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
725	break;
726
727	case REQ_DB_DEL:
728	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
729	break;
730
731	case REQ_DB_KEY_RANGE:
732	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
733	break;
734
735	case REQ_TXN_COMMIT:
736	req->result = req->txn->commit (req->txn, req->uint1);
737	break;
738
739	case REQ_TXN_ABORT:
740	req->result = req->txn->abort (req->txn);
741	break;
742
743	case REQ_C_CLOSE:
744	req->result = req->dbc->c_close (req->dbc);
745	break;
746
747	case REQ_C_COUNT:
748	{
749	db_recno_t recno;
750	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
751	req->uv1 = recno;
752	}
753	break;
754
755	case REQ_C_PUT:
756	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
757	break;
758
759	case REQ_C_GET:
760	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
761	break;
762
763	case REQ_C_PGET:
764	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
765	break;
766
767	case REQ_C_DEL:
768	req->result = req->dbc->c_del (req->dbc, req->uint1);
769	break;
770
771	case REQ_SEQ_OPEN:
772	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
773	break;
774
775	case REQ_SEQ_CLOSE:
776	req->result = req->seq->close (req->seq, req->uint1);
777	break;
778
779	case REQ_SEQ_GET:
780	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
781	break;
782
783	case REQ_SEQ_REMOVE:
784	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
785	break;
786
787	default:
788	req->result = ENOSYS;
789	break;
790	}
791		931
792	X_LOCK (reslock);	932	X_LOCK (reslock);
793		933
794	++npending;	934	++npending;
795		935
…		…
827	X_UNLOCK (wrklock);	967	X_UNLOCK (wrklock);
828	}	968	}
829		969
830	static void atfork_child (void)	970	static void atfork_child (void)
831	{	971	{
832	aio_req prv;	972	bdb_req prv;
833		973
834	while (prv = reqq_shift (&req_queue))	974	while (prv = reqq_shift (&req_queue))
835	req_free (prv);	975	req_free (prv);
836		976
837	while (prv = reqq_shift (&res_queue))	977	while (prv = reqq_shift (&res_queue))
…		…
852	idle = 0;	992	idle = 0;
853	nreqs = 0;	993	nreqs = 0;
854	nready = 0;	994	nready = 0;
855	npending = 0;	995	npending = 0;
856		996
857	respipe_close (respipe [0]);
858	respipe_close (respipe [1]);
859
860	create_pipe (respipe);	997	create_respipe ();
861		998
862	atfork_parent ();	999	atfork_parent ();
863	}	1000	}
864		1001
865	#define dREQ(reqtype) \	1002	#define dREQ(reqtype,rsvcnt) \
866	aio_req req; \	1003	bdb_req req; \
867	int req_pri = next_pri; \	1004	int req_pri = next_pri; \
868	next_pri = DEFAULT_PRI + PRI_BIAS; \	1005	next_pri = DEFAULT_PRI + PRI_BIAS; \
869	\	1006	\
870	if (SvOK (callback) && !SvROK (callback)) \	1007	if (callback && SvOK (callback)) \
871	croak ("callback must be undef or of reference type"); \	1008	croak ("callback has illegal type or extra arguments"); \
872	\	1009	\
873	Newz (0, req, 1, aio_cb); \	1010	Newz (0, req, 1, bdb_cb); \
874	if (!req) \	1011	if (!req) \
875	croak ("out of memory during aio_req allocation"); \	1012	croak ("out of memory during bdb_req allocation"); \
876	\	1013	\
877	req->callback = newSVsv (callback); \	1014	req->callback = SvREFCNT_inc (cb); \
878	req->type = (reqtype); \	1015	req->type = (reqtype); \
879	req->pri = req_pri	1016	req->pri = req_pri; \
		1017	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1018	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1019	(void)0;
880		1020
881	#define REQ_SEND \	1021	#define REQ_SEND \
882	req_send (req)	1022	req_send (req)
883		1023
884	#define SvPTR(var, arg, type, class, nullok) \	1024	#define SvPTR(var, arg, type, class, nullok) \
885	if (!SvOK (arg)) \	1025	if (!SvOK (arg)) \
886	{ \	1026	{ \
887	if (!nullok) \	1027	if (nullok != 1) \
888	croak (# var " must be a " # class " object, not undef"); \	1028	croak (# var " must be a " # class " object, not undef"); \
889	\	1029	\
890	(var) = 0; \	1030	(var) = 0; \
891	} \	1031	} \
892	else if (sv_derived_from ((arg), # class)) \	1032	else if (sv_derived_from ((arg), # class)) \
893	{ \	1033	{ \
894	IV tmp = SvIV ((SV*) SvRV (arg)); \	1034	IV tmp = SvIV ((SV*) SvRV (arg)); \
895	(var) = INT2PTR (type, tmp); \	1035	(var) = INT2PTR (type, tmp); \
896	if (!var) \	1036	if (!var && nullok != 2) \
897	croak (# var " is not a valid " # class " object anymore"); \	1037	croak (# var " is not a valid " # class " object anymore"); \
898	} \	1038	} \
899	else \	1039	else \
900	croak (# var " is not of type " # class); \	1040	croak (# var " is not of type " # class);
901	\
902		1041
903	static void	1042	static void
904	ptr_nuke (SV *sv)	1043	ptr_nuke (SV *sv)
905	{	1044	{
906	assert (SvROK (sv));	1045	assert (SvROK (sv));
907	sv_setiv (SvRV (sv), 0);	1046	sv_setiv (SvRV (sv), 0);
908	}	1047	}
		1048
		1049	static int
		1050	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1051	{
		1052	if (*mg->mg_ptr == '!') // should always be the case
		1053	if (-30999 <= errno && errno <= -30800)
		1054	{
		1055	sv_setnv (sv, (NV)errno);
		1056	sv_setpv (sv, db_strerror (errno));
		1057	SvNOK_on (sv); /* what a wonderful hack! */
		1058	// ^^^ copied from perl sources
		1059	return 0;
		1060	}
		1061
		1062	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1063	}
		1064
		1065	static MGVTBL vtbl_errno;
		1066
		1067	// this wonderful hack :( patches perl's $! variable to support our errno values
		1068	static void
		1069	patch_errno (void)
		1070	{
		1071	SV *sv;
		1072	MAGIC *mg;
		1073
		1074	if (!(sv = get_sv ("!", 1)))
		1075	return;
		1076
		1077	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1078	return;
		1079
		1080	if (mg->mg_virtual != &PL_vtbl_sv)
		1081	return;
		1082
		1083	vtbl_errno = PL_vtbl_sv;
		1084	vtbl_errno.svt_get = errno_get;
		1085	mg->mg_virtual = &vtbl_errno;
		1086	}
		1087
		1088	#if __GNUC__ >= 4
		1089	# define noinline __attribute__ ((noinline))
		1090	#else
		1091	# define noinline
		1092	#endif
		1093
		1094	static noinline SV *
		1095	pop_callback (I32 *ritems, SV *sv)
		1096	{
		1097	if (SvROK (sv))
		1098	{
		1099	HV *st;
		1100	GV *gvp;
		1101	CV *cv;
		1102	const char *name;
		1103
		1104	/* forgive me */
		1105	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1106	&& (st = SvSTASH (SvRV (sv)))
		1107	&& (name = HvNAME_get (st))
		1108	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1109	return 0;
		1110
		1111	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1112	{
		1113	--*ritems;
		1114	return (SV *)cv;
		1115	}
		1116	}
		1117
		1118	return 0;
		1119	}
		1120
		1121	/* stupid windoes defined CALLBACK as well */
		1122	#undef CALLBACK
		1123	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
909		1124
910	MODULE = BDB PACKAGE = BDB	1125	MODULE = BDB PACKAGE = BDB
911		1126
912	PROTOTYPES: ENABLE	1127	PROTOTYPES: ENABLE
913		1128
…		…
929	const_iv (INIT_TXN)	1144	const_iv (INIT_TXN)
930	const_iv (RECOVER)	1145	const_iv (RECOVER)
931	const_iv (INIT_TXN)	1146	const_iv (INIT_TXN)
932	const_iv (RECOVER_FATAL)	1147	const_iv (RECOVER_FATAL)
933	const_iv (CREATE)	1148	const_iv (CREATE)
		1149	const_iv (RDONLY)
934	const_iv (USE_ENVIRON)	1150	const_iv (USE_ENVIRON)
935	const_iv (USE_ENVIRON_ROOT)	1151	const_iv (USE_ENVIRON_ROOT)
936	const_iv (LOCKDOWN)	1152	const_iv (LOCKDOWN)
937	const_iv (PRIVATE)	1153	const_iv (PRIVATE)
938	const_iv (REGISTER)
939	const_iv (SYSTEM_MEM)	1154	const_iv (SYSTEM_MEM)
940	const_iv (AUTO_COMMIT)	1155	const_iv (AUTO_COMMIT)
941	const_iv (CDB_ALLDB)	1156	const_iv (CDB_ALLDB)
942	const_iv (DIRECT_DB)	1157	const_iv (DIRECT_DB)
943	const_iv (DIRECT_LOG)
944	const_iv (DSYNC_DB)
945	const_iv (DSYNC_LOG)
946	const_iv (LOG_AUTOREMOVE)
947	const_iv (LOG_INMEMORY)
948	const_iv (NOLOCKING)	1158	const_iv (NOLOCKING)
949	const_iv (NOMMAP)	1159	const_iv (NOMMAP)
950	const_iv (NOPANIC)	1160	const_iv (NOPANIC)
951	const_iv (OVERWRITE)	1161	const_iv (OVERWRITE)
952	const_iv (PANIC_ENVIRONMENT)	1162	const_iv (PANIC_ENVIRONMENT)
953	const_iv (REGION_INIT)	1163	const_iv (REGION_INIT)
954	const_iv (TIME_NOTGRANTED)	1164	const_iv (TIME_NOTGRANTED)
955	const_iv (TXN_NOSYNC)	1165	const_iv (TXN_NOSYNC)
		1166	const_iv (TXN_NOT_DURABLE)
956	const_iv (TXN_WRITE_NOSYNC)	1167	const_iv (TXN_WRITE_NOSYNC)
957	const_iv (WRITECURSOR)	1168	const_iv (WRITECURSOR)
958	const_iv (YIELDCPU)	1169	const_iv (YIELDCPU)
959	const_iv (ENCRYPT_AES)	1170	const_iv (ENCRYPT_AES)
960	const_iv (XA_CREATE)	1171	const_iv (XA_CREATE)
…		…
962	const_iv (HASH)	1173	const_iv (HASH)
963	const_iv (QUEUE)	1174	const_iv (QUEUE)
964	const_iv (RECNO)	1175	const_iv (RECNO)
965	const_iv (UNKNOWN)	1176	const_iv (UNKNOWN)
966	const_iv (EXCL)	1177	const_iv (EXCL)
967	const_iv (READ_COMMITTED)
968	const_iv (READ_UNCOMMITTED)
969	const_iv (TRUNCATE)	1178	const_iv (TRUNCATE)
970	const_iv (NOSYNC)	1179	const_iv (NOSYNC)
971	const_iv (CHKSUM)	1180	const_iv (CHKSUM)
972	const_iv (ENCRYPT)	1181	const_iv (ENCRYPT)
973	const_iv (TXN_NOT_DURABLE)
974	const_iv (DUP)	1182	const_iv (DUP)
975	const_iv (DUPSORT)	1183	const_iv (DUPSORT)
976	const_iv (RECNUM)	1184	const_iv (RECNUM)
977	const_iv (RENUMBER)	1185	const_iv (RENUMBER)
978	const_iv (REVSPLITOFF)	1186	const_iv (REVSPLITOFF)
979	const_iv (INORDER)
980	const_iv (CONSUME)	1187	const_iv (CONSUME)
981	const_iv (CONSUME_WAIT)	1188	const_iv (CONSUME_WAIT)
982	const_iv (GET_BOTH)	1189	const_iv (GET_BOTH)
983	const_iv (GET_BOTH_RANGE)	1190	const_iv (GET_BOTH_RANGE)
984	//const_iv (SET_RECNO)	1191	//const_iv (SET_RECNO)
985	//const_iv (MULTIPLE)	1192	//const_iv (MULTIPLE)
986	const_iv (SNAPSHOT)	1193	const_iv (SNAPSHOT)
987	const_iv (JOIN_ITEM)	1194	const_iv (JOIN_ITEM)
		1195	const_iv (JOIN_NOSORT)
988	const_iv (RMW)	1196	const_iv (RMW)
989		1197
990	const_iv (NOTFOUND)	1198	const_iv (NOTFOUND)
991	const_iv (KEYEMPTY)	1199	const_iv (KEYEMPTY)
992	const_iv (LOCK_DEADLOCK)	1200	const_iv (LOCK_DEADLOCK)
993	const_iv (LOCK_NOTGRANTED)	1201	const_iv (LOCK_NOTGRANTED)
994	const_iv (RUNRECOVERY)	1202	const_iv (RUNRECOVERY)
995	const_iv (OLD_VERSION)	1203	const_iv (OLD_VERSION)
996	const_iv (REP_HANDLE_DEAD)	1204	const_iv (REP_HANDLE_DEAD)
997	const_iv (REP_LOCKOUT)
998	const_iv (SECONDARY_BAD)	1205	const_iv (SECONDARY_BAD)
999
1000	const_iv (FREE_SPACE)
1001	const_iv (FREELIST_ONLY)
1002		1206
1003	const_iv (APPEND)	1207	const_iv (APPEND)
1004	const_iv (NODUPDATA)	1208	const_iv (NODUPDATA)
1005	const_iv (NOOVERWRITE)	1209	const_iv (NOOVERWRITE)
1006		1210
…		…
1008	const_iv (TXN_SYNC)	1212	const_iv (TXN_SYNC)
1009		1213
1010	const_iv (SET_LOCK_TIMEOUT)	1214	const_iv (SET_LOCK_TIMEOUT)
1011	const_iv (SET_TXN_TIMEOUT)	1215	const_iv (SET_TXN_TIMEOUT)
1012		1216
1013	const_iv (JOIN_ITEM)
1014	const_iv (FIRST)	1217	const_iv (FIRST)
1015	const_iv (NEXT)	1218	const_iv (NEXT)
1016	const_iv (NEXT_DUP)	1219	const_iv (NEXT_DUP)
1017	const_iv (NEXT_NODUP)	1220	const_iv (NEXT_NODUP)
1018	const_iv (PREV)	1221	const_iv (PREV)
…		…
1030	const_iv (FORCE)	1233	const_iv (FORCE)
1031		1234
1032	const_iv (LOCK_DEFAULT)	1235	const_iv (LOCK_DEFAULT)
1033	const_iv (LOCK_EXPIRE)	1236	const_iv (LOCK_EXPIRE)
1034	const_iv (LOCK_MAXLOCKS)	1237	const_iv (LOCK_MAXLOCKS)
1035	const_iv (LOCK_MAXWRITE)
1036	const_iv (LOCK_MINLOCKS)	1238	const_iv (LOCK_MINLOCKS)
1037	const_iv (LOCK_MINWRITE)	1239	const_iv (LOCK_MINWRITE)
1038	const_iv (LOCK_OLDEST)	1240	const_iv (LOCK_OLDEST)
1039	const_iv (LOCK_RANDOM)	1241	const_iv (LOCK_RANDOM)
1040	const_iv (LOCK_YOUNGEST)	1242	const_iv (LOCK_YOUNGEST)
1041		1243
1042	const_iv (SEQ_DEC)
1043	const_iv (SEQ_INC)
1044	const_iv (SEQ_WRAP)
1045
1046	const_iv (BUFFER_SMALL)
1047	const_iv (DONOTINDEX)	1244	const_iv (DONOTINDEX)
1048	const_iv (KEYEMPTY )	1245	const_iv (KEYEMPTY )
1049	const_iv (KEYEXIST )	1246	const_iv (KEYEXIST )
1050	const_iv (LOCK_DEADLOCK)	1247	const_iv (LOCK_DEADLOCK)
1051	const_iv (LOCK_NOTGRANTED)	1248	const_iv (LOCK_NOTGRANTED)
1052	const_iv (LOG_BUFFER_FULL)
1053	const_iv (NOSERVER)	1249	const_iv (NOSERVER)
1054	const_iv (NOSERVER_HOME)	1250	const_iv (NOSERVER_HOME)
1055	const_iv (NOSERVER_ID)	1251	const_iv (NOSERVER_ID)
1056	const_iv (NOTFOUND)	1252	const_iv (NOTFOUND)
1057	const_iv (OLD_VERSION)
1058	const_iv (PAGE_NOTFOUND)	1253	const_iv (PAGE_NOTFOUND)
1059	const_iv (REP_DUPMASTER)	1254	const_iv (REP_DUPMASTER)
1060	const_iv (REP_HANDLE_DEAD)	1255	const_iv (REP_HANDLE_DEAD)
1061	const_iv (REP_HOLDELECTION)	1256	const_iv (REP_HOLDELECTION)
1062	const_iv (REP_IGNORE)
1063	const_iv (REP_ISPERM)	1257	const_iv (REP_ISPERM)
1064	const_iv (REP_JOIN_FAILURE)
1065	const_iv (REP_LOCKOUT)
1066	const_iv (REP_NEWMASTER)	1258	const_iv (REP_NEWMASTER)
1067	const_iv (REP_NEWSITE)	1259	const_iv (REP_NEWSITE)
1068	const_iv (REP_NOTPERM)	1260	const_iv (REP_NOTPERM)
1069	const_iv (REP_UNAVAIL)	1261	const_iv (REP_UNAVAIL)
1070	const_iv (RUNRECOVERY)	1262	const_iv (RUNRECOVERY)
1071	const_iv (SECONDARY_BAD)	1263	const_iv (SECONDARY_BAD)
1072	const_iv (VERIFY_BAD)	1264	const_iv (VERIFY_BAD)
1073	const_iv (VERSION_MISMATCH)
1074		1265
1075	const_iv (VERB_DEADLOCK)	1266	const_iv (VERB_DEADLOCK)
1076	const_iv (VERB_RECOVERY)	1267	const_iv (VERB_RECOVERY)
1077	const_iv (VERB_REGISTER)
1078	const_iv (VERB_REPLICATION)	1268	const_iv (VERB_REPLICATION)
1079	const_iv (VERB_WAITSFOR)	1269	const_iv (VERB_WAITSFOR)
1080		1270
1081	const_iv (VERSION_MAJOR)	1271	const_iv (VERSION_MAJOR)
1082	const_iv (VERSION_MINOR)	1272	const_iv (VERSION_MINOR)
1083	const_iv (VERSION_PATCH)	1273	const_iv (VERSION_PATCH)
		1274	#if DB_VERSION_MINOR >= 3
		1275	const_iv (INORDER)
		1276	const_iv (LOCK_MAXWRITE)
		1277	const_iv (SEQ_DEC)
		1278	const_iv (SEQ_INC)
		1279	const_iv (SEQ_WRAP)
		1280	const_iv (BUFFER_SMALL)
		1281	const_iv (LOG_BUFFER_FULL)
		1282	const_iv (VERSION_MISMATCH)
		1283	#endif
		1284	#if DB_VERSION_MINOR >= 4
		1285	const_iv (REGISTER)
		1286	const_iv (DSYNC_DB)
		1287	const_iv (READ_COMMITTED)
		1288	const_iv (READ_UNCOMMITTED)
		1289	const_iv (REP_IGNORE)
		1290	const_iv (REP_LOCKOUT)
		1291	const_iv (REP_JOIN_FAILURE)
		1292	const_iv (FREE_SPACE)
		1293	const_iv (FREELIST_ONLY)
		1294	const_iv (VERB_REGISTER)
		1295	#endif
1084	#if DB_VERSION_MINOR >= 5	1296	#if DB_VERSION_MINOR >= 5
1085	const_iv (MULTIVERSION)	1297	const_iv (MULTIVERSION)
1086	const_iv (TXN_SNAPSHOT)	1298	const_iv (TXN_SNAPSHOT)
1087	#endif	1299	#endif
1088	#if DB_VERSION_MINOR >= 6	1300	#if DB_VERSION_MINOR >= 6
1089	const_iv (PREV_DUP)	1301	const_iv (PREV_DUP)
1090	# if 0
1091	const_iv (PRIORITY_UNCHANGED)	1302	const_iv (PRIORITY_UNCHANGED)
1092	const_iv (PRIORITY_VERY_LOW)	1303	const_iv (PRIORITY_VERY_LOW)
1093	const_iv (PRIORITY_LOW)	1304	const_iv (PRIORITY_LOW)
1094	const_iv (PRIORITY_DEFAULT)	1305	const_iv (PRIORITY_DEFAULT)
1095	const_iv (PRIORITY_HIGH)	1306	const_iv (PRIORITY_HIGH)
1096	const_iv (PRIORITY_VERY_HIGH)	1307	const_iv (PRIORITY_VERY_HIGH)
		1308	#endif
		1309	#if DB_VERSION_MINOR >= 7
		1310	const_iv (LOG_DIRECT)
		1311	const_iv (LOG_DSYNC)
		1312	const_iv (LOG_AUTO_REMOVE)
		1313	const_iv (LOG_IN_MEMORY)
		1314	const_iv (LOG_ZERO)
		1315	#else
		1316	const_iv (DIRECT_LOG)
		1317	const_iv (LOG_AUTOREMOVE)
		1318	# if DB_VERSION_MINOR >= 3
		1319	const_iv (DSYNC_LOG)
		1320	const_iv (LOG_INMEMORY)
1097	# endif	1321	# endif
1098	#endif	1322	#endif
1099	};	1323	};
1100		1324
1101	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1325	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1102	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1326	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1103		1327
1104	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1328	{
		1329	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1330	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1331
		1332	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1333	}
		1334
1105	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1335	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1106		1336
1107	create_pipe (respipe);	1337	create_respipe ();
1108		1338
1109	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1339	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1110	#ifdef _WIN32	1340	patch_errno ();
1111	X_MUTEX_CHECK (wrklock);
1112	X_MUTEX_CHECK (reslock);
1113	X_MUTEX_CHECK (reqlock);
1114
1115	X_COND_CHECK (reqwait);
1116	#endif
1117	}	1341	}
1118		1342
1119	void	1343	void
1120	max_poll_reqs (int nreqs)	1344	max_poll_reqs (int nreqs)
1121	PROTOTYPE: $	1345	PROTOTYPE: $
…		…
1261	CODE:	1485	CODE:
1262	RETVAL = db_strerror (errorno);	1486	RETVAL = db_strerror (errorno);
1263	OUTPUT:	1487	OUTPUT:
1264	RETVAL	1488	RETVAL
1265		1489
		1490	void _on_next_submit (SV *cb)
		1491	CODE:
		1492	SvREFCNT_dec (on_next_submit);
		1493	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1494
1266	DB_ENV *	1495	DB_ENV *
1267	db_env_create (U32 env_flags = 0)	1496	db_env_create (U32 env_flags = 0)
1268	CODE:	1497	CODE:
1269	{	1498	{
1270	errno = db_env_create (&RETVAL, env_flags);	1499	errno = db_env_create (&RETVAL, env_flags);
…		…
1279	}	1508	}
1280	OUTPUT:	1509	OUTPUT:
1281	RETVAL	1510	RETVAL
1282		1511
1283	void	1512	void
1284	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1513	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1514	PREINIT:
		1515	CALLBACK
1285	CODE:	1516	CODE:
1286	{	1517	{
1287	dREQ (REQ_ENV_OPEN);	1518	dREQ (REQ_ENV_OPEN, 1);
1288
1289	env->set_thread_count (env, wanted + 2);
1290
1291	req->env = env;	1519	req->env = env;
1292	req->uint1 = open_flags | DB_THREAD;	1520	req->uint1 = open_flags | DB_THREAD;
1293	req->int1 = mode;	1521	req->int1 = mode;
1294	req->buf1 = strdup_ornull (db_home);	1522	req->buf1 = strdup_ornull (db_home);
1295	REQ_SEND;	1523	REQ_SEND;
1296	}	1524	}
1297		1525
1298	void	1526	void
1299	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1527	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1528	PREINIT:
		1529	CALLBACK
1300	CODE:	1530	CODE:
1301	{	1531	{
1302	dREQ (REQ_ENV_CLOSE);	1532	dREQ (REQ_ENV_CLOSE, 1);
1303	req->env = env;	1533	req->env = env;
1304	req->uint1 = flags;	1534	req->uint1 = flags;
1305	REQ_SEND;	1535	REQ_SEND;
1306	ptr_nuke (ST (0));	1536	ptr_nuke (ST (0));
1307	}	1537	}
1308		1538
1309	void	1539	void
1310	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1540	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1541	PREINIT:
		1542	CALLBACK
1311	CODE:	1543	CODE:
1312	{	1544	{
1313	dREQ (REQ_ENV_TXN_CHECKPOINT);	1545	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1314	req->env = env;	1546	req->env = env;
1315	req->uint1 = kbyte;	1547	req->uint1 = kbyte;
1316	req->int1 = min;	1548	req->int1 = min;
1317	req->uint2 = flags;	1549	req->uint2 = flags;
1318	REQ_SEND;	1550	REQ_SEND;
1319	}	1551	}
1320		1552
1321	void	1553	void
1322	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1554	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1555	PREINIT:
		1556	CALLBACK
1323	CODE:	1557	CODE:
1324	{	1558	{
1325	dREQ (REQ_ENV_LOCK_DETECT);	1559	dREQ (REQ_ENV_LOCK_DETECT, 1);
1326	req->env = env;	1560	req->env = env;
1327	req->uint1 = flags;	1561	req->uint1 = flags;
1328	req->uint2 = atype;	1562	req->uint2 = atype;
		1563	/* req->int2 = 0; dummy */
1329	REQ_SEND;	1564	REQ_SEND;
1330	}	1565	}
1331		1566
1332	void	1567	void
1333	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1568	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1569	PREINIT:
		1570	CALLBACK
1334	CODE:	1571	CODE:
1335	{	1572	{
1336	dREQ (REQ_ENV_MEMP_SYNC);	1573	dREQ (REQ_ENV_MEMP_SYNC, 1);
1337	req->env = env;	1574	req->env = env;
1338	REQ_SEND;	1575	REQ_SEND;
1339	}	1576	}
1340		1577
1341	void	1578	void
1342	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1579	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1580	PREINIT:
		1581	CALLBACK
1343	CODE:	1582	CODE:
1344	{	1583	{
1345	dREQ (REQ_ENV_MEMP_TRICKLE);	1584	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1346	req->env = env;	1585	req->env = env;
1347	req->int1 = percent;	1586	req->int1 = percent;
1348	REQ_SEND;	1587	REQ_SEND;
1349	}	1588	}
1350		1589
		1590	void
		1591	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
		1594	CODE:
		1595	{
		1596	dREQ (REQ_ENV_DBREMOVE, 2);
		1597	req->env = env;
		1598	req->buf1 = strdup_ornull (file);
		1599	req->buf2 = strdup_ornull (database);
		1600	req->uint1 = flags;
		1601	REQ_SEND;
		1602	}
		1603
		1604	void
		1605	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)
		1606	PREINIT:
		1607	CALLBACK
		1608	CODE:
		1609	{
		1610	dREQ (REQ_ENV_DBRENAME, 2);
		1611	req->env = env;
		1612	req->buf1 = strdup_ornull (file);
		1613	req->buf2 = strdup_ornull (database);
		1614	req->buf3 = strdup_ornull (newname);
		1615	req->uint1 = flags;
		1616	REQ_SEND;
		1617	}
1351		1618
1352	DB *	1619	DB *
1353	db_create (DB_ENV *env = 0, U32 flags = 0)	1620	db_create (DB_ENV *env = 0, U32 flags = 0)
1354	CODE:	1621	CODE:
1355	{	1622	{
…		…
1362	}	1629	}
1363	OUTPUT:	1630	OUTPUT:
1364	RETVAL	1631	RETVAL
1365		1632
1366	void	1633	void
1367	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1634	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1635	PREINIT:
		1636	CALLBACK
1368	CODE:	1637	CODE:
1369	{	1638	{
1370	dREQ (REQ_DB_OPEN);	1639	dREQ (REQ_DB_OPEN, 2);
1371	req->db = db;	1640	req->db = db;
1372	req->txn = txnid;	1641	req->txn = txnid;
1373	req->buf1 = strdup_ornull (file);	1642	req->buf1 = strdup_ornull (file);
1374	req->buf2 = strdup_ornull (database);	1643	req->buf2 = strdup_ornull (database);
1375	req->int1 = type;	1644	req->int1 = type;
…		…
1377	req->int2 = mode;	1646	req->int2 = mode;
1378	REQ_SEND;	1647	REQ_SEND;
1379	}	1648	}
1380		1649
1381	void	1650	void
1382	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1651	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1652	PREINIT:
		1653	CALLBACK
1383	CODE:	1654	CODE:
1384	{	1655	{
1385	dREQ (REQ_DB_CLOSE);	1656	dREQ (REQ_DB_CLOSE, 1);
1386	req->db = db;	1657	req->db = db;
1387	req->uint1 = flags;	1658	req->uint1 = flags;
1388	req->sv1 = (SV *)db->app_private;	1659	req->sv1 = (SV *)db->app_private;
1389	REQ_SEND;	1660	REQ_SEND;
1390	ptr_nuke (ST (0));	1661	ptr_nuke (ST (0));
1391	}	1662	}
1392		1663
		1664	#if DB_VERSION_MINOR >= 4
		1665
1393	void	1666	void
1394	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1667	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)
		1668	PREINIT:
		1669	CALLBACK
1395	CODE:	1670	CODE:
1396	{	1671	{
1397	dREQ (REQ_DB_COMPACT);	1672	dREQ (REQ_DB_COMPACT, 2);
1398	req->db = db;	1673	req->db = db;
1399	req->txn = txn;	1674	req->txn = txn;
1400	sv_to_dbt (&req->dbt1, start);	1675	sv_to_dbt (&req->dbt1, start);
1401	sv_to_dbt (&req->dbt2, stop);	1676	sv_to_dbt (&req->dbt2, stop);
1402	req->uint1 = flags;	1677	req->uint1 = flags;
1403	REQ_SEND;	1678	REQ_SEND;
1404	}	1679	}
1405		1680
		1681	#endif
		1682
1406	void	1683	void
1407	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1684	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1685	PREINIT:
		1686	CALLBACK
1408	CODE:	1687	CODE:
1409	{	1688	{
1410	dREQ (REQ_DB_SYNC);	1689	dREQ (REQ_DB_SYNC, 1);
1411	req->db = db;	1690	req->db = db;
1412	req->uint1 = flags;	1691	req->uint1 = flags;
1413	REQ_SEND;	1692	REQ_SEND;
1414	}	1693	}
1415		1694
1416	void	1695	void
		1696	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1697	PREINIT:
		1698	CALLBACK
		1699	CODE:
		1700	{
		1701	dREQ (REQ_DB_SYNC, 1);
		1702	req->db = db;
		1703	req->buf1 = strdup (file);
		1704	req->uint1 = flags;
		1705	REQ_SEND;
		1706	}
		1707
		1708	void
1417	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1709	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1710	PREINIT:
		1711	CALLBACK
1418	CODE:	1712	CODE:
1419	{	1713	{
1420	dREQ (REQ_DB_KEY_RANGE);	1714	dREQ (REQ_DB_KEY_RANGE, 2);
1421	req->db = db;	1715	req->db = db;
1422	req->txn = txn;	1716	req->txn = txn;
1423	sv_to_dbt (&req->dbt1, key);	1717	sv_to_dbt (&req->dbt1, key);
1424	req->uint1 = flags;	1718	req->uint1 = flags;
1425	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1719	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1426	REQ_SEND;	1720	REQ_SEND;
1427	}	1721	}
1428		1722
1429	void	1723	void
1430	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1724	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1725	PREINIT:
		1726	CALLBACK
1431	CODE:	1727	CODE:
1432	{	1728	{
1433	dREQ (REQ_DB_PUT);	1729	dREQ (REQ_DB_PUT, 2);
1434	req->db = db;	1730	req->db = db;
1435	req->txn = txn;	1731	req->txn = txn;
1436	sv_to_dbt (&req->dbt1, key);	1732	sv_to_dbt (&req->dbt1, key);
1437	sv_to_dbt (&req->dbt2, data);	1733	sv_to_dbt (&req->dbt2, data);
1438	req->uint1 = flags;	1734	req->uint1 = flags;
1439	REQ_SEND;	1735	REQ_SEND;
1440	}	1736	}
1441		1737
		1738	#if DB_VERSION_MINOR >= 6
		1739
1442	void	1740	void
		1741	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1742	PREINIT:
		1743	CALLBACK
		1744	CODE:
		1745	{
		1746	dREQ (REQ_DB_EXISTS, 2);
		1747	req->db = db;
		1748	req->txn = txn;
		1749	req->uint1 = flags;
		1750	sv_to_dbt (&req->dbt1, key);
		1751	REQ_SEND;
		1752	}
		1753
		1754	#endif
		1755
		1756	void
1443	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1757	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1758	PREINIT:
		1759	CALLBACK
1444	CODE:	1760	CODE:
		1761	if (SvREADONLY (data))
		1762	croak ("can't modify read-only data scalar in db_get");
1445	{	1763	{
1446	dREQ (REQ_DB_GET);	1764	dREQ (REQ_DB_GET, 2);
1447	req->db = db;	1765	req->db = db;
1448	req->txn = txn;	1766	req->txn = txn;
1449	req->uint1 = flags;	1767	req->uint1 = flags;
1450	sv_to_dbt (&req->dbt1, key);	1768	sv_to_dbt (&req->dbt1, key);
1451	req->dbt3.flags = DB_DBT_MALLOC;	1769	req->dbt3.flags = DB_DBT_MALLOC;
1452	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1770	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1453	REQ_SEND;	1771	REQ_SEND;
1454	}	1772	}
1455		1773
1456	void	1774	void
1457	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1775	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1776	PREINIT:
		1777	CALLBACK
1458	CODE:	1778	CODE:
		1779	if (SvREADONLY (data))
		1780	croak ("can't modify read-only data scalar in db_pget");
1459	{	1781	{
1460	dREQ (REQ_DB_PGET);	1782	dREQ (REQ_DB_PGET, 2);
1461	req->db = db;	1783	req->db = db;
1462	req->txn = txn;	1784	req->txn = txn;
1463	req->uint1 = flags;	1785	req->uint1 = flags;
1464	sv_to_dbt (&req->dbt1, key);	1786	sv_to_dbt (&req->dbt1, key);
1465	sv_to_dbt (&req->dbt2, pkey);	1787	sv_to_dbt (&req->dbt2, pkey);
…		…
1467	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1789	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1468	REQ_SEND;	1790	REQ_SEND;
1469	}	1791	}
1470		1792
1471	void	1793	void
1472	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1794	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1795	PREINIT:
		1796	CALLBACK
1473	CODE:	1797	CODE:
1474	{	1798	{
1475	dREQ (REQ_DB_DEL);	1799	dREQ (REQ_DB_DEL, 2);
1476	req->db = db;	1800	req->db = db;
1477	req->txn = txn;	1801	req->txn = txn;
1478	req->uint1 = flags;	1802	req->uint1 = flags;
1479	sv_to_dbt (&req->dbt1, key);	1803	sv_to_dbt (&req->dbt1, key);
1480	REQ_SEND;	1804	REQ_SEND;
1481	}	1805	}
1482		1806
1483	void	1807	void
1484	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1808	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
1485	CODE:	1811	CODE:
1486	{	1812	{
1487	dREQ (REQ_TXN_COMMIT);	1813	dREQ (REQ_TXN_COMMIT, 1);
1488	req->txn = txn;	1814	req->txn = txn;
1489	req->uint1 = flags;	1815	req->uint1 = flags;
1490	REQ_SEND;	1816	REQ_SEND;
1491	ptr_nuke (ST (0));	1817	ptr_nuke (ST (0));
1492	}	1818	}
1493		1819
1494	void	1820	void
1495	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1821	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
1496	CODE:	1824	CODE:
1497	{	1825	{
1498	dREQ (REQ_TXN_ABORT);	1826	dREQ (REQ_TXN_ABORT, 1);
1499	req->txn = txn;	1827	req->txn = txn;
1500	REQ_SEND;	1828	REQ_SEND;
1501	ptr_nuke (ST (0));	1829	ptr_nuke (ST (0));
1502	}	1830	}
1503		1831
1504	void	1832	void
		1833	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
		1836	CODE:
		1837	{
		1838	dREQ (REQ_TXN_FINISH, 1);
		1839	req->txn = txn;
		1840	req->uint1 = flags;
		1841	REQ_SEND;
		1842	ptr_nuke (ST (0));
		1843	}
		1844
		1845	void
1505	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1846	db_c_close (DBC *dbc, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1506	CODE:	1849	CODE:
1507	{	1850	{
1508	dREQ (REQ_C_CLOSE);	1851	dREQ (REQ_C_CLOSE, 1);
1509	req->dbc = dbc;	1852	req->dbc = dbc;
1510	REQ_SEND;	1853	REQ_SEND;
1511	ptr_nuke (ST (0));	1854	ptr_nuke (ST (0));
1512	}	1855	}
1513		1856
1514	void	1857	void
1515	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1858	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1859	PREINIT:
		1860	CALLBACK
1516	CODE:	1861	CODE:
1517	{	1862	{
1518	dREQ (REQ_C_COUNT);	1863	dREQ (REQ_C_COUNT, 1);
1519	req->dbc = dbc;	1864	req->dbc = dbc;
1520	req->sv1 = SvREFCNT_inc (count);	1865	req->sv1 = SvREFCNT_inc (count);
1521	REQ_SEND;	1866	REQ_SEND;
1522	}	1867	}
1523		1868
1524	void	1869	void
1525	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1870	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1871	PREINIT:
		1872	CALLBACK
1526	CODE:	1873	CODE:
1527	{	1874	{
1528	dREQ (REQ_C_PUT);	1875	dREQ (REQ_C_PUT, 1);
1529	req->dbc = dbc;	1876	req->dbc = dbc;
1530	sv_to_dbt (&req->dbt1, key);	1877	sv_to_dbt (&req->dbt1, key);
1531	sv_to_dbt (&req->dbt2, data);	1878	sv_to_dbt (&req->dbt2, data);
1532	req->uint1 = flags;	1879	req->uint1 = flags;
1533	REQ_SEND;	1880	REQ_SEND;
1534	}	1881	}
1535		1882
1536	void	1883	void
1537	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1884	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1885	PREINIT:
		1886	CALLBACK
1538	CODE:	1887	CODE:
1539	{	1888	{
1540	dREQ (REQ_C_GET);	1889	dREQ (REQ_C_GET, 1);
1541	req->dbc = dbc;	1890	req->dbc = dbc;
1542	req->uint1 = flags;	1891	req->uint1 = flags;
1543	if ((flags & DB_SET) == DB_SET	1892	if ((flags & DB_SET) == DB_SET
1544	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1893	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1545	sv_to_dbt (&req->dbt1, key);	1894	sv_to_dbt (&req->dbt1, key);
…		…
1557	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1906	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1558	REQ_SEND;	1907	REQ_SEND;
1559	}	1908	}
1560		1909
1561	void	1910	void
1562	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1911	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1912	PREINIT:
		1913	CALLBACK
1563	CODE:	1914	CODE:
1564	{	1915	{
1565	dREQ (REQ_C_PGET);	1916	dREQ (REQ_C_PGET, 1);
1566	req->dbc = dbc;	1917	req->dbc = dbc;
1567	req->uint1 = flags;	1918	req->uint1 = flags;
1568	if ((flags & DB_SET) == DB_SET	1919	if ((flags & DB_SET) == DB_SET
1569	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1920	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1570	sv_to_dbt (&req->dbt1, key);	1921	sv_to_dbt (&req->dbt1, key);
…		…
1585	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1936	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1586	REQ_SEND;	1937	REQ_SEND;
1587	}	1938	}
1588		1939
1589	void	1940	void
1590	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1941	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1942	PREINIT:
		1943	CALLBACK
1591	CODE:	1944	CODE:
1592	{	1945	{
1593	dREQ (REQ_C_DEL);	1946	dREQ (REQ_C_DEL, 1);
1594	req->dbc = dbc;	1947	req->dbc = dbc;
1595	req->uint1 = flags;	1948	req->uint1 = flags;
1596	REQ_SEND;	1949	REQ_SEND;
1597	}	1950	}
1598		1951
1599		1952
		1953	#if DB_VERSION_MINOR >= 3
		1954
1600	void	1955	void
1601	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1956	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1957	PREINIT:
		1958	CALLBACK
1602	CODE:	1959	CODE:
1603	{	1960	{
1604	dREQ (REQ_SEQ_OPEN);	1961	dREQ (REQ_SEQ_OPEN, 2);
1605	req->seq = seq;	1962	req->seq = seq;
1606	req->txn = txnid;	1963	req->txn = txnid;
1607	req->uint1 = flags | DB_THREAD;	1964	req->uint1 = flags | DB_THREAD;
1608	sv_to_dbt (&req->dbt1, key);	1965	sv_to_dbt (&req->dbt1, key);
1609	REQ_SEND;	1966	REQ_SEND;
1610	}	1967	}
1611		1968
1612	void	1969	void
1613	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1970	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1971	PREINIT:
		1972	CALLBACK
1614	CODE:	1973	CODE:
1615	{	1974	{
1616	dREQ (REQ_SEQ_CLOSE);	1975	dREQ (REQ_SEQ_CLOSE, 1);
1617	req->seq = seq;	1976	req->seq = seq;
1618	req->uint1 = flags;	1977	req->uint1 = flags;
1619	REQ_SEND;	1978	REQ_SEND;
1620	ptr_nuke (ST (0));	1979	ptr_nuke (ST (0));
1621	}	1980	}
1622		1981
1623	void	1982	void
1624	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1983	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1984	PREINIT:
		1985	CALLBACK
1625	CODE:	1986	CODE:
1626	{	1987	{
1627	dREQ (REQ_SEQ_GET);	1988	dREQ (REQ_SEQ_GET, 2);
1628	req->seq = seq;	1989	req->seq = seq;
1629	req->txn = txnid;	1990	req->txn = txnid;
1630	req->int1 = delta;	1991	req->int1 = delta;
1631	req->uint1 = flags;	1992	req->uint1 = flags;
1632	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1993	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1633	REQ_SEND;	1994	REQ_SEND;
1634	}	1995	}
1635		1996
1636	void	1997	void
1637	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1998	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1999	PREINIT:
		2000	CALLBACK
1638	CODE:	2001	CODE:
1639	{	2002	{
1640	dREQ (REQ_SEQ_REMOVE);	2003	dREQ (REQ_SEQ_REMOVE, 2);
1641	req->seq = seq;	2004	req->seq = seq;
1642	req->txn = txnid;	2005	req->txn = txnid;
1643	req->uint1 = flags;	2006	req->uint1 = flags;
1644	REQ_SEND;	2007	REQ_SEND;
1645	}	2008	}
1646		2009
		2010	#endif
		2011
1647		2012
1648	MODULE = BDB PACKAGE = BDB::Env	2013	MODULE = BDB PACKAGE = BDB::Env
1649		2014
1650	void	2015	void
1651	DESTROY (DB_ENV_ornull *env)	2016	DESTROY (DB_ENV_ornuked *env)
1652	CODE:	2017	CODE:
1653	if (env)	2018	if (env)
1654	env->close (env, 0);	2019	env->close (env, 0);
1655		2020
1656	int set_data_dir (DB_ENV *env, const char *dir)	2021	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1681	CODE:	2046	CODE:
1682	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2047	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1683	OUTPUT:	2048	OUTPUT:
1684	RETVAL	2049	RETVAL
1685		2050
1686	int set_flags (DB_ENV *env, U32 flags, int onoff)	2051	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1687	CODE:	2052	CODE:
1688	RETVAL = env->set_flags (env, flags, onoff);	2053	RETVAL = env->set_flags (env, flags, onoff);
1689	OUTPUT:	2054	OUTPUT:
1690	RETVAL	2055	RETVAL
1691		2056
		2057	#if DB_VERSION_MINOR >= 7
		2058
		2059	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2060	CODE:
		2061	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2062	OUTPUT:
		2063	RETVAL
		2064
		2065	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2066	CODE:
		2067	RETVAL = env->log_set_config (env, flags, onoff);
		2068	OUTPUT:
		2069	RETVAL
		2070
		2071	#endif
		2072
		2073
1692	void set_errfile (DB_ENV *env, FILE *errfile = 0)	2074	void set_errfile (DB_ENV *env, FILE *errfile = 0)
1693	CODE:	2075	CODE:
1694	env->set_errfile (env, errfile);	2076	env->set_errfile (env, errfile);
1695		2077
1696	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)	2078	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1697	CODE:	2079	CODE:
1698	env->set_msgfile (env, msgfile);	2080	env->set_msgfile (env, msgfile);
1699		2081
1700	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2082	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1701	CODE:	2083	CODE:
1702	RETVAL = env->set_verbose (env, which, onoff);	2084	RETVAL = env->set_verbose (env, which, onoff);
1703	OUTPUT:	2085	OUTPUT:
1704	RETVAL	2086	RETVAL
1705		2087
…		…
1707	CODE:	2089	CODE:
1708	RETVAL = env->set_encrypt (env, password, flags);	2090	RETVAL = env->set_encrypt (env, password, flags);
1709	OUTPUT:	2091	OUTPUT:
1710	RETVAL	2092	RETVAL
1711		2093
1712	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2094	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1713	CODE:	2095	CODE:
1714	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2096	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1715	OUTPUT:	2097	OUTPUT:
1716	RETVAL	2098	RETVAL
1717		2099
…		…
1766	int set_lg_max (DB_ENV *env, U32 max)	2148	int set_lg_max (DB_ENV *env, U32 max)
1767	CODE:	2149	CODE:
1768	RETVAL = env->set_lg_max (env, max);	2150	RETVAL = env->set_lg_max (env, max);
1769	OUTPUT:	2151	OUTPUT:
1770	RETVAL	2152	RETVAL
		2153
		2154	#if DB_VERSION_MINOR >= 4
		2155
		2156	int mutex_set_max (DB_ENV *env, U32 max)
		2157	CODE:
		2158	RETVAL = env->mutex_set_max (env, max);
		2159	OUTPUT:
		2160	RETVAL
		2161
		2162	int mutex_set_increment (DB_ENV *env, U32 increment)
		2163	CODE:
		2164	RETVAL = env->mutex_set_increment (env, increment);
		2165	OUTPUT:
		2166	RETVAL
		2167
		2168	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2169	CODE:
		2170	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2171	OUTPUT:
		2172	RETVAL
		2173
		2174	int mutex_set_align (DB_ENV *env, U32 align)
		2175	CODE:
		2176	RETVAL = env->mutex_set_align (env, align);
		2177	OUTPUT:
		2178	RETVAL
		2179
		2180	#endif
1771		2181
1772	DB_TXN *	2182	DB_TXN *
1773	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2183	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1774	CODE:	2184	CODE:
1775	errno = env->txn_begin (env, parent, &RETVAL, flags);	2185	errno = env->txn_begin (env, parent, &RETVAL, flags);
1776	if (errno)	2186	if (errno)
1777	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2187	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1778	OUTPUT:	2188	OUTPUT:
1779	RETVAL	2189	RETVAL
1780		2190
		2191	#if DB_VERSION_MINOR >= 5
		2192
		2193	DB_TXN *
		2194	cdsgroup_begin (DB_ENV *env)
		2195	CODE:
		2196	errno = env->cdsgroup_begin (env, &RETVAL);
		2197	if (errno)
		2198	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2199	OUTPUT:
		2200	RETVAL
		2201
		2202	#endif
		2203
1781	MODULE = BDB PACKAGE = BDB::Db	2204	MODULE = BDB PACKAGE = BDB::Db
1782		2205
1783	void	2206	void
1784	DESTROY (DB_ornull *db)	2207	DESTROY (DB_ornuked *db)
1785	CODE:	2208	CODE:
1786	if (db)	2209	if (db)
1787	{	2210	{
1788	SV *env = (SV *)db->app_private;	2211	SV *env = (SV *)db->app_private;
1789	db->close (db, 0);	2212	db->close (db, 0);
…		…
1869	if (errno)	2292	if (errno)
1870	croak ("DB->cursor: %s", db_strerror (errno));	2293	croak ("DB->cursor: %s", db_strerror (errno));
1871	OUTPUT:	2294	OUTPUT:
1872	RETVAL	2295	RETVAL
1873		2296
		2297	#if DB_VERSION_MINOR >= 3
		2298
1874	DB_SEQUENCE *	2299	DB_SEQUENCE *
1875	sequence (DB *db, U32 flags = 0)	2300	sequence (DB *db, U32 flags = 0)
1876	CODE:	2301	CODE:
1877	{	2302	{
1878	errno = db_sequence_create (&RETVAL, db, flags);	2303	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1880	croak ("db_sequence_create: %s", db_strerror (errno));	2305	croak ("db_sequence_create: %s", db_strerror (errno));
1881	}	2306	}
1882	OUTPUT:	2307	OUTPUT:
1883	RETVAL	2308	RETVAL
1884		2309
		2310	#endif
		2311
1885		2312
1886	MODULE = BDB PACKAGE = BDB::Txn	2313	MODULE = BDB PACKAGE = BDB::Txn
1887		2314
1888	void	2315	void
1889	DESTROY (DB_TXN_ornull *txn)	2316	DESTROY (DB_TXN_ornuked *txn)
1890	CODE:	2317	CODE:
1891	if (txn)	2318	if (txn)
1892	txn->abort (txn);	2319	txn->abort (txn);
1893		2320
1894	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2321	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1895	CODE:	2322	CODE:
1896	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2323	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1897	OUTPUT:	2324	OUTPUT:
1898	RETVAL	2325	RETVAL
1899		2326
		2327	int failed (DB_TXN *txn)
		2328	CODE:
		2329	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2330	OUTPUT:
		2331	RETVAL
		2332
1900		2333
1901	MODULE = BDB PACKAGE = BDB::Cursor	2334	MODULE = BDB PACKAGE = BDB::Cursor
1902		2335
1903	void	2336	void
1904	DESTROY (DBC_ornull *dbc)	2337	DESTROY (DBC_ornuked *dbc)
1905	CODE:	2338	CODE:
1906	if (dbc)	2339	if (dbc)
1907	dbc->c_close (dbc);	2340	dbc->c_close (dbc);
1908		2341
		2342	#if DB_VERSION_MINOR >= 6
		2343
		2344	int set_priority (DBC *dbc, int priority)
		2345	CODE:
		2346	dbc->set_priority (dbc, priority);
		2347
		2348	#endif
		2349
		2350	#if DB_VERSION_MINOR >= 3
		2351
1909	MODULE = BDB PACKAGE = BDB::Sequence	2352	MODULE = BDB PACKAGE = BDB::Sequence
1910		2353
1911	void	2354	void
1912	DESTROY (DB_SEQUENCE_ornull *seq)	2355	DESTROY (DB_SEQUENCE_ornuked *seq)
1913	CODE:	2356	CODE:
1914	if (seq)	2357	if (seq)
1915	seq->close (seq, 0);	2358	seq->close (seq, 0);
1916		2359
1917	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2360	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1936	CODE:	2379	CODE:
1937	RETVAL = seq->set_range (seq, min, max);	2380	RETVAL = seq->set_range (seq, min, max);
1938	OUTPUT:	2381	OUTPUT:
1939	RETVAL	2382	RETVAL
1940		2383
		2384	#endif
		2385
		2386

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