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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 1.49 by root, Thu Sep 25 12:28:49 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	} bdb_cb;
		183
69	typedef aio_cb *aio_req;	184	typedef bdb_cb *bdb_req;
70		185
71	enum {	186	enum {
72	PRI_MIN = -4,	187	PRI_MIN = -4,
73	PRI_MAX = 4,	188	PRI_MAX = 4,
74		189
…		…
77	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	192	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
78	};	193	};
79		194
80	#define AIO_TICKS ((1000000 + 1023) >> 10)	195	#define AIO_TICKS ((1000000 + 1023) >> 10)
81		196
		197	static SV *on_next_submit;
		198
82	static unsigned int max_poll_time = 0;	199	static unsigned int max_poll_time = 0;
83	static unsigned int max_poll_reqs = 0;	200	static unsigned int max_poll_reqs = 0;
84		201
85	/* calculcate time difference in ~1/AIO_TICKS of a second */	202	/* calculcate time difference in ~1/AIO_TICKS of a second */
86	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	203	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
91		208
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	209	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		210
94	static unsigned int started, idle, wanted;	211	static unsigned int started, idle, wanted;
95		212
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 */	213	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	214	static mutex_t wrklock = X_MUTEX_INIT;
107		215
108	typedef struct worker {	216	typedef struct worker {
109	/* locked by wrklock */	217	/* locked by wrklock */
110	struct worker *prev, *next;	218	struct worker *prev, *next;
111		219
112	pthread_t tid;	220	thread_t tid;
113		221
114	/* locked by reslock, reqlock or wrklock */	222	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	223	bdb_req req; /* currently processed request */
116	void *dbuf;	224	void *dbuf;
117	DIR *dirp;	225	DIR *dirp;
118	} worker;	226	} worker;
119		227
120	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	228	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
132	}	240	}
133		241
134	static volatile unsigned int nreqs, nready, npending;	242	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	243	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	244	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	245	static int respipe_osf [2], respipe [2] = { -1, -1 };
138		246
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	247	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	248	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	249	static cond_t reqwait = X_COND_INIT;
142		250
143	#if WORDACCESS_UNSAFE	251	#if WORDACCESS_UNSAFE
144		252
145	static unsigned int get_nready ()	253	static unsigned int get_nready (void)
146	{	254	{
147	unsigned int retval;	255	unsigned int retval;
148		256
149	LOCK (reqlock);	257	X_LOCK (reqlock);
150	retval = nready;	258	retval = nready;
151	UNLOCK (reqlock);	259	X_UNLOCK (reqlock);
152		260
153	return retval;	261	return retval;
154	}	262	}
155		263
156	static unsigned int get_npending ()	264	static unsigned int get_npending (void)
157	{	265	{
158	unsigned int retval;	266	unsigned int retval;
159		267
160	LOCK (reslock);	268	X_LOCK (reslock);
161	retval = npending;	269	retval = npending;
162	UNLOCK (reslock);	270	X_UNLOCK (reslock);
163		271
164	return retval;	272	return retval;
165	}	273	}
166		274
167	static unsigned int get_nthreads ()	275	static unsigned int get_nthreads (void)
168	{	276	{
169	unsigned int retval;	277	unsigned int retval;
170		278
171	LOCK (wrklock);	279	X_LOCK (wrklock);
172	retval = started;	280	retval = started;
173	UNLOCK (wrklock);	281	X_UNLOCK (wrklock);
174		282
175	return retval;	283	return retval;
176	}	284	}
177		285
178	#else	286	#else
…		…
187	* a somewhat faster data structure might be nice, but	295	* a somewhat faster data structure might be nice, but
188	* with 8 priorities this actually needs <20 insns	296	* with 8 priorities this actually needs <20 insns
189	* per shift, the most expensive operation.	297	* per shift, the most expensive operation.
190	*/	298	*/
191	typedef struct {	299	typedef struct {
192	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	300	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
193	int size;	301	int size;
194	} reqq;	302	} reqq;
195		303
196	static reqq req_queue;	304	static reqq req_queue;
197	static reqq res_queue;	305	static reqq res_queue;
198		306
199	int reqq_push (reqq *q, aio_req req)	307	int reqq_push (reqq *q, bdb_req req)
200	{	308	{
201	int pri = req->pri;	309	int pri = req->pri;
202	req->next = 0;	310	req->next = 0;
203		311
204	if (q->qe[pri])	312	if (q->qe[pri])
…		…
210	q->qe[pri] = q->qs[pri] = req;	318	q->qe[pri] = q->qs[pri] = req;
211		319
212	return q->size++;	320	return q->size++;
213	}	321	}
214		322
215	aio_req reqq_shift (reqq *q)	323	bdb_req reqq_shift (reqq *q)
216	{	324	{
217	int pri;	325	int pri;
218		326
219	if (!q->size)	327	if (!q->size)
220	return 0;	328	return 0;
221		329
222	--q->size;	330	--q->size;
223		331
224	for (pri = NUM_PRI; pri--; )	332	for (pri = NUM_PRI; pri--; )
225	{	333	{
226	aio_req req = q->qs[pri];	334	bdb_req req = q->qs[pri];
227		335
228	if (req)	336	if (req)
229	{	337	{
230	if (!(q->qs[pri] = req->next))	338	if (!(q->qs[pri] = req->next))
231	q->qe[pri] = 0;	339	q->qe[pri] = 0;
…		…
235	}	343	}
236		344
237	abort ();	345	abort ();
238	}	346	}
239		347
240	static int poll_cb ();	348	static int poll_cb (void);
241	static void req_free (aio_req req);	349	static void req_free (bdb_req req);
242	static void req_cancel (aio_req req);	350	static void req_cancel (bdb_req req);
243		351
244	static int req_invoke (aio_req req)	352	static int req_invoke (bdb_req req)
245	{	353	{
246	dSP;	354	dSP;
247		355
248	if (SvOK (req->callback))	356	if (req->callback)
249	{	357	{
250	ENTER;	358	ENTER;
251	SAVETMPS;	359	SAVETMPS;
252	PUSHMARK (SP);	360	PUSHMARK (SP);
253	EXTEND (SP, 1);
254		361
255	switch (req->type)	362	switch (req->type)
256	{	363	{
		364	case REQ_DB_CLOSE:
		365	SvREFCNT_dec (req->sv1);
		366	break;
		367
		368	case REQ_DB_GET:
		369	case REQ_DB_PGET:
		370	dbt_to_sv (req->sv3, &req->dbt3);
		371	break;
		372
		373	case REQ_C_GET:
		374	case REQ_C_PGET:
		375	dbt_to_sv (req->sv1, &req->dbt1);
		376	dbt_to_sv (req->sv2, &req->dbt2);
		377	dbt_to_sv (req->sv3, &req->dbt3);
		378	break;
		379
		380	case REQ_DB_PUT:
		381	case REQ_C_PUT:
		382	dbt_to_sv (0, &req->dbt1);
		383	dbt_to_sv (0, &req->dbt2);
		384	break;
		385
		386	case REQ_DB_KEY_RANGE:
		387	{
		388	AV *av = newAV ();
		389
		390	av_push (av, newSVnv (req->key_range.less));
		391	av_push (av, newSVnv (req->key_range.equal));
		392	av_push (av, newSVnv (req->key_range.greater));
		393
		394	SvREADONLY_off (req->sv1);
		395	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		396	SvREFCNT_dec (req->sv1);
		397	}
		398	break;
		399
		400	#if DB_VERSION_MINOR >= 3
		401	case REQ_SEQ_GET:
		402	SvREADONLY_off (req->sv1);
		403
		404	if (sizeof (IV) > 4)
		405	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		406	else
		407	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		408
		409	SvREFCNT_dec (req->sv1);
		410	break;
		411	#endif
257	}	412	}
		413
		414	errno = req->result;
258		415
259	PUTBACK;	416	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	417	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	418	SPAGAIN;
262		419
…		…
265	}	422	}
266		423
267	return !SvTRUE (ERRSV);	424	return !SvTRUE (ERRSV);
268	}	425	}
269		426
270	static void req_free (aio_req req)	427	static void req_free (bdb_req req)
271	{	428	{
		429	SvREFCNT_dec (req->callback);
		430
272	free (req->buf1);	431	free (req->buf1);
273	free (req->buf2);	432	free (req->buf2);
		433	free (req->buf3);
		434
274	Safefree (req);	435	Safefree (req);
275	}	436	}
276		437
277	static void *aio_proc(void *arg);	438	#ifdef USE_SOCKETS_AS_HANDLES
		439	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		440	#else
		441	# define TO_SOCKET(x) (x)
		442	#endif
		443
		444	static void
		445	create_respipe (void)
		446	{
		447	#ifdef _WIN32
		448	int arg; /* argg */
		449	#endif
		450	int old_readfd = respipe [0];
		451
		452	if (respipe [1] >= 0)
		453	respipe_close (TO_SOCKET (respipe [1]));
		454
		455	#ifdef _WIN32
		456	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		457	#else
		458	if (pipe (respipe))
		459	#endif
		460	croak ("unable to initialize result pipe");
		461
		462	if (old_readfd >= 0)
		463	{
		464	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		465	croak ("unable to initialize result pipe(2)");
		466
		467	respipe_close (respipe [0]);
		468	respipe [0] = old_readfd;
		469	}
		470
		471	#ifdef _WIN32
		472	arg = 1;
		473	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		474	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		475	#else
		476	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		477	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		478	#endif
		479	croak ("unable to initialize result pipe(3)");
		480
		481	respipe_osf [0] = TO_SOCKET (respipe [0]);
		482	respipe_osf [1] = TO_SOCKET (respipe [1]);
		483	}
		484
		485	X_THREAD_PROC (bdb_proc);
278		486
279	static void start_thread (void)	487	static void start_thread (void)
280	{	488	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	489	worker *wrk = calloc (1, sizeof (worker));
285		490
286	if (!wrk)	491	if (!wrk)
287	croak ("unable to allocate worker thread data");	492	croak ("unable to allocate worker thread data");
288		493
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);	494	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	495	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	496	{
302	wrk->prev = &wrk_first;	497	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	498	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	499	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	500	wrk_first.next = wrk;
306	++started;	501	++started;
307	}	502	}
308	else	503	else
309	free (wrk);	504	free (wrk);
310		505
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	506	X_UNLOCK (wrklock);
313	}	507	}
314		508
315	static void maybe_start_thread ()	509	static void maybe_start_thread (void)
316	{	510	{
317	if (get_nthreads () >= wanted)	511	if (get_nthreads () >= wanted)
318	return;	512	return;
319		513
320	/* todo: maybe use idle here, but might be less exact */	514	/* todo: maybe use idle here, but might be less exact */
…		…
322	return;	516	return;
323		517
324	start_thread ();	518	start_thread ();
325	}	519	}
326		520
327	static void req_send (aio_req req)	521	static void req_send (bdb_req req)
328	{	522	{
		523	SV *wait_callback = 0;
		524
		525	if (on_next_submit)
		526	{
		527	dSP;
		528	SV *cb = sv_2mortal (on_next_submit);
		529
		530	on_next_submit = 0;
		531
		532	PUSHMARK (SP);
		533	PUTBACK;
		534	call_sv (cb, G_DISCARD | G_EVAL);
		535	SPAGAIN;
		536	}
		537
		538	// synthesize callback if none given
		539	if (!req->callback)
		540	{
		541	int count;
		542
		543	dSP;
		544	PUSHMARK (SP);
		545	PUTBACK;
		546	count = call_sv (prepare_cb, G_ARRAY);
		547	SPAGAIN;
		548
		549	if (count != 2)
		550	croak ("prepare callback must return exactly two values\n");
		551
		552	wait_callback = POPs;
		553	req->callback = SvREFCNT_inc (POPs);
		554	}
		555
329	++nreqs;	556	++nreqs;
330		557
331	LOCK (reqlock);	558	X_LOCK (reqlock);
332	++nready;	559	++nready;
333	reqq_push (&req_queue, req);	560	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	561	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	562	X_UNLOCK (reqlock);
336		563
337	maybe_start_thread ();	564	maybe_start_thread ();
		565
		566	if (wait_callback)
		567	{
		568	dSP;
		569	PUSHMARK (SP);
		570	PUTBACK;
		571	call_sv (wait_callback, G_DISCARD);
		572	}
338	}	573	}
339		574
340	static void end_thread (void)	575	static void end_thread (void)
341	{	576	{
342	aio_req req;	577	bdb_req req;
343		578
344	Newz (0, req, 1, aio_cb);	579	Newz (0, req, 1, bdb_cb);
345		580
346	req->type = REQ_QUIT;	581	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	582	req->pri = PRI_MAX + PRI_BIAS;
348		583
349	LOCK (reqlock);	584	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	585	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	586	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	587	X_UNLOCK (reqlock);
353		588
354	LOCK (wrklock);	589	X_LOCK (wrklock);
355	--started;	590	--started;
356	UNLOCK (wrklock);	591	X_UNLOCK (wrklock);
357	}	592	}
358		593
359	static void set_max_idle (int nthreads)	594	static void set_max_idle (int nthreads)
360	{	595	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	596	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	597	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	598	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	599	}
365		600
366	static void min_parallel (int nthreads)	601	static void min_parallel (int nthreads)
367	{	602	{
368	if (wanted < nthreads)	603	if (wanted < nthreads)
…		…
376		611
377	while (started > wanted)	612	while (started > wanted)
378	end_thread ();	613	end_thread ();
379	}	614	}
380		615
381	static void poll_wait ()	616	static void poll_wait (void)
382	{	617	{
383	fd_set rfd;	618	fd_set rfd;
384		619
385	while (nreqs)	620	while (nreqs)
386	{	621	{
387	int size;	622	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	623	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	624	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	625	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		626
392	if (size)	627	if (size)
393	return;	628	return;
394		629
395	maybe_start_thread ();	630	maybe_start_thread ();
396		631
397	FD_ZERO(&rfd);	632	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	633	FD_SET (respipe [0], &rfd);
399		634
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	635	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	636	}
402	}	637	}
403		638
404	static int poll_cb ()	639	static int poll_cb (void)
405	{	640	{
406	dSP;	641	dSP;
407	int count = 0;	642	int count = 0;
408	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
409	int do_croak = 0;	644	int do_croak = 0;
410	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
411	aio_req req;	646	bdb_req req;
412		647
413	if (max_poll_time)	648	if (max_poll_time)
414	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
415		650
416	for (;;)	651	for (;;)
417	{	652	{
418	for (;;)	653	for (;;)
419	{	654	{
420	maybe_start_thread ();	655	maybe_start_thread ();
421		656
422	LOCK (reslock);	657	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	658	req = reqq_shift (&res_queue);
424		659
425	if (req)	660	if (req)
426	{	661	{
427	--npending;	662	--npending;
428		663
429	if (!res_queue.size)	664	if (!res_queue.size)
430	{	665	{
431	/* read any signals sent by the worker threads */	666	/* read any signals sent by the worker threads */
432	char buf [4];	667	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	668	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	669	;
435	}	670	}
436	}	671	}
437		672
438	UNLOCK (reslock);	673	X_UNLOCK (reslock);
439		674
440	if (!req)	675	if (!req)
441	break;	676	break;
442		677
443	--nreqs;	678	--nreqs;
…		…
473	}	708	}
474		709
475	return count;	710	return count;
476	}	711	}
477		712
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	/*****************************************************************************/	713	/*****************************************************************************/
491		714
492	static void *aio_proc (void *thr_arg)	715	X_THREAD_PROC (bdb_proc)
493	{	716	{
494	aio_req req;	717	bdb_req req;
495	struct timespec ts;	718	struct timespec ts;
496	worker *self = (worker *)thr_arg;	719	worker *self = (worker *)thr_arg;
497		720
498	/* try to distribute timeouts somewhat evenly */	721	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	722	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		723
502	for (;;)	724	for (;;)
503	{	725	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	726	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		727
506	LOCK (reqlock);	728	X_LOCK (reqlock);
507		729
508	for (;;)	730	for (;;)
509	{	731	{
510	self->req = req = reqq_shift (&req_queue);	732	self->req = req = reqq_shift (&req_queue);
511		733
512	if (req)	734	if (req)
513	break;	735	break;
514		736
515	++idle;	737	++idle;
516		738
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	739	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	740	== ETIMEDOUT)
519	{	741	{
520	if (idle > max_idle)	742	if (idle > max_idle)
521	{	743	{
522	--idle;	744	--idle;
523	UNLOCK (reqlock);	745	X_UNLOCK (reqlock);
524	LOCK (wrklock);	746	X_LOCK (wrklock);
525	--started;	747	--started;
526	UNLOCK (wrklock);	748	X_UNLOCK (wrklock);
527	goto quit;	749	goto quit;
528	}	750	}
529		751
530	/* we are allowed to idle, so do so without any timeout */	752	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	753	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	754	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	755	}
534		756
535	--idle;	757	--idle;
536	}	758	}
537		759
538	--nready;	760	--nready;
539		761
540	UNLOCK (reqlock);	762	X_UNLOCK (reqlock);
541
542	errno = 0; /* strictly unnecessary */
543		763
544	switch (req->type)	764	switch (req->type)
545	{	765	{
546	case REQ_QUIT:	766	case REQ_QUIT:
		767	req->result = ENOSYS;
547	goto quit;	768	goto quit;
548		769
		770	case REQ_ENV_OPEN:
		771	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		772	break;
		773
		774	case REQ_ENV_CLOSE:
		775	req->result = req->env->close (req->env, req->uint1);
		776	break;
		777
		778	case REQ_ENV_TXN_CHECKPOINT:
		779	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		780	break;
		781
		782	case REQ_ENV_LOCK_DETECT:
		783	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		784	break;
		785
		786	case REQ_ENV_MEMP_SYNC:
		787	req->result = req->env->memp_sync (req->env, 0);
		788	break;
		789
		790	case REQ_ENV_MEMP_TRICKLE:
		791	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		792	break;
		793
		794	case REQ_ENV_DBREMOVE:
		795	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		796	break;
		797
		798	case REQ_ENV_DBRENAME:
		799	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		800	break;
		801
		802	case REQ_DB_OPEN:
		803	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		804	break;
		805
		806	case REQ_DB_CLOSE:
		807	req->result = req->db->close (req->db, req->uint1);
		808	break;
		809
		810	#if DB_VERSION_MINOR >= 4
		811	case REQ_DB_COMPACT:
		812	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		813	break;
		814	#endif
		815
		816	case REQ_DB_SYNC:
		817	req->result = req->db->sync (req->db, req->uint1);
		818	break;
		819
		820	case REQ_DB_UPGRADE:
		821	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		822	break;
		823
		824	case REQ_DB_PUT:
		825	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		826	break;
		827
		828	#if DB_VERSION_MINOR >= 6
		829	case REQ_DB_EXISTS:
		830	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		831	break;
		832	#endif
		833	case REQ_DB_GET:
		834	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		835	break;
		836
		837	case REQ_DB_PGET:
		838	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		839	break;
		840
		841	case REQ_DB_DEL:
		842	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		843	break;
		844
		845	case REQ_DB_KEY_RANGE:
		846	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		847	break;
		848
		849	case REQ_TXN_COMMIT:
		850	req->result = req->txn->commit (req->txn, req->uint1);
		851	break;
		852
		853	case REQ_TXN_ABORT:
		854	req->result = req->txn->abort (req->txn);
		855	break;
		856
		857	case REQ_TXN_FINISH:
		858	if (req->txn->flags & TXN_DEADLOCK)
		859	{
		860	req->result = req->txn->abort (req->txn);
		861	if (!req->result)
		862	req->result = DB_LOCK_DEADLOCK;
		863	}
		864	else
		865	req->result = req->txn->commit (req->txn, req->uint1);
		866	break;
		867
		868	case REQ_C_CLOSE:
		869	req->result = req->dbc->c_close (req->dbc);
		870	break;
		871
		872	case REQ_C_COUNT:
		873	{
		874	db_recno_t recno;
		875	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		876	req->uv1 = recno;
		877	}
		878	break;
		879
		880	case REQ_C_PUT:
		881	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		882	break;
		883
		884	case REQ_C_GET:
		885	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		886	break;
		887
		888	case REQ_C_PGET:
		889	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		890	break;
		891
		892	case REQ_C_DEL:
		893	req->result = req->dbc->c_del (req->dbc, req->uint1);
		894	break;
		895
		896	#if DB_VERSION_MINOR >= 3
		897	case REQ_SEQ_OPEN:
		898	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		899	break;
		900
		901	case REQ_SEQ_CLOSE:
		902	req->result = req->seq->close (req->seq, req->uint1);
		903	break;
		904
		905	case REQ_SEQ_GET:
		906	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		907	break;
		908
		909	case REQ_SEQ_REMOVE:
		910	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		911	break;
		912	#endif
		913
549	default:	914	default:
550	//req->result = ENOSYS;	915	req->result = ENOSYS;
551	break;	916	break;
552	}	917	}
553		918
554	//req->errorno = errno;	919	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		920	req->txn->flags |= TXN_DEADLOCK;
555		921
556	LOCK (reslock);	922	X_LOCK (reslock);
557		923
558	++npending;	924	++npending;
559		925
560	if (!reqq_push (&res_queue, req))	926	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	927	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	928	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		929
564	self->req = 0;	930	self->req = 0;
565	worker_clear (self);	931	worker_clear (self);
566		932
567	UNLOCK (reslock);	933	X_UNLOCK (reslock);
568	}	934	}
569		935
570	quit:	936	quit:
571	LOCK (wrklock);	937	X_LOCK (wrklock);
572	worker_free (self);	938	worker_free (self);
573	UNLOCK (wrklock);	939	X_UNLOCK (wrklock);
574		940
575	return 0;	941	return 0;
576	}	942	}
577		943
578	/*****************************************************************************/	944	/*****************************************************************************/
579		945
580	static void atfork_prepare (void)	946	static void atfork_prepare (void)
581	{	947	{
582	LOCK (wrklock);	948	X_LOCK (wrklock);
583	LOCK (reqlock);	949	X_LOCK (reqlock);
584	LOCK (reslock);	950	X_LOCK (reslock);
585	}	951	}
586		952
587	static void atfork_parent (void)	953	static void atfork_parent (void)
588	{	954	{
589	UNLOCK (reslock);	955	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	956	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	957	X_UNLOCK (wrklock);
592	}	958	}
593		959
594	static void atfork_child (void)	960	static void atfork_child (void)
595	{	961	{
596	aio_req prv;	962	bdb_req prv;
597		963
598	while (prv = reqq_shift (&req_queue))	964	while (prv = reqq_shift (&req_queue))
599	req_free (prv);	965	req_free (prv);
600		966
601	while (prv = reqq_shift (&res_queue))	967	while (prv = reqq_shift (&res_queue))
…		…
616	idle = 0;	982	idle = 0;
617	nreqs = 0;	983	nreqs = 0;
618	nready = 0;	984	nready = 0;
619	npending = 0;	985	npending = 0;
620		986
621	close (respipe [0]);
622	close (respipe [1]);
623	create_pipe ();	987	create_respipe ();
624		988
625	atfork_parent ();	989	atfork_parent ();
626	}	990	}
627		991
628	#define dREQ(reqtype) \	992	#define dREQ(reqtype) \
629	aio_req req; \	993	bdb_req req; \
630	int req_pri = next_pri; \	994	int req_pri = next_pri; \
631	next_pri = DEFAULT_PRI + PRI_BIAS; \	995	next_pri = DEFAULT_PRI + PRI_BIAS; \
632	\	996	\
633	if (SvOK (callback) && !SvROK (callback)) \	997	if (callback && SvOK (callback)) \
634	croak ("callback must be undef or of reference type"); \	998	croak ("callback has illegal type or extra arguments"); \
635	\	999	\
636	Newz (0, req, 1, aio_cb); \	1000	Newz (0, req, 1, bdb_cb); \
637	if (!req) \	1001	if (!req) \
638	croak ("out of memory during aio_req allocation"); \	1002	croak ("out of memory during bdb_req allocation"); \
639	\	1003	\
640	req->callback = newSVsv (callback); \	1004	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
641	req->type = (reqtype); \	1005	req->type = (reqtype); \
642	req->pri = req_pri	1006	req->pri = req_pri
643		1007
644	#define REQ_SEND \	1008	#define REQ_SEND \
645	req_send (req)	1009	req_send (req)
646		1010
647	#define SvPTR(var, arg, type, class) \	1011	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	1012	if (!SvOK (arg)) \
		1013	{ \
		1014	if (nullok != 1) \
		1015	croak (# var " must be a " # class " object, not undef"); \
		1016	\
649	(var) = 0; \	1017	(var) = 0; \
		1018	} \
650	else if (sv_derived_from ((arg), # class)) \	1019	else if (sv_derived_from ((arg), # class)) \
651	{ \	1020	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	1021	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	1022	(var) = INT2PTR (type, tmp); \
		1023	if (!var && nullok != 2) \
		1024	croak (# var " is not a valid " # class " object anymore"); \
654	} \	1025	} \
655	else \	1026	else \
656	Perl_croak (# var " is not of type " # type)	1027	croak (# var " is not of type " # class);
657		1028
		1029	static void
		1030	ptr_nuke (SV *sv)
		1031	{
		1032	assert (SvROK (sv));
		1033	sv_setiv (SvRV (sv), 0);
		1034	}
		1035
		1036	static int
		1037	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1038	{
		1039	if (*mg->mg_ptr == '!') // should always be the case
		1040	if (-30999 <= errno && errno <= -30800)
		1041	{
		1042	sv_setnv (sv, (NV)errno);
		1043	sv_setpv (sv, db_strerror (errno));
		1044	SvNOK_on (sv); /* what a wonderful hack! */
		1045	// ^^^ copied from perl sources
		1046	return 0;
		1047	}
		1048
		1049	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1050	}
		1051
		1052	static MGVTBL vtbl_errno;
		1053
		1054	// this wonderful hack :( patches perl's $! variable to support our errno values
		1055	static void
		1056	patch_errno (void)
		1057	{
		1058	SV *sv;
		1059	MAGIC *mg;
		1060
		1061	if (!(sv = get_sv ("!", 1)))
		1062	return;
		1063
		1064	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1065	return;
		1066
		1067	if (mg->mg_virtual != &PL_vtbl_sv)
		1068	return;
		1069
		1070	vtbl_errno = PL_vtbl_sv;
		1071	vtbl_errno.svt_get = errno_get;
		1072	mg->mg_virtual = &vtbl_errno;
		1073	}
		1074
		1075	#if __GNUC__ >= 4
		1076	# define noinline __attribute__ ((noinline))
		1077	#else
		1078	# define noinline
		1079	#endif
		1080
		1081	static noinline SV *
		1082	pop_callback (I32 *ritems, SV *sv)
		1083	{
		1084	if (SvROK (sv))
		1085	{
		1086	HV *st;
		1087	GV *gvp;
		1088	CV *cv;
		1089	const char *name;
		1090
		1091	/* forgive me */
		1092	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1093	&& (st = SvSTASH (SvRV (sv)))
		1094	&& (name = HvNAME_get (st))
		1095	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1096	return 0;
		1097
		1098	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1099	{
		1100	--*ritems;
		1101	return (SV *)cv;
		1102	}
		1103	}
		1104
		1105	return 0;
		1106	}
		1107
		1108	/* stupid windoes defined CALLBACK as well */
		1109	#undef CALLBACK
		1110	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1111
658	MODULE = BDB PACKAGE = BDB	1112	MODULE = BDB PACKAGE = BDB
659		1113
660	PROTOTYPES: ENABLE	1114	PROTOTYPES: ENABLE
661		1115
662	BOOT:	1116	BOOT:
…		…
677	const_iv (INIT_TXN)	1131	const_iv (INIT_TXN)
678	const_iv (RECOVER)	1132	const_iv (RECOVER)
679	const_iv (INIT_TXN)	1133	const_iv (INIT_TXN)
680	const_iv (RECOVER_FATAL)	1134	const_iv (RECOVER_FATAL)
681	const_iv (CREATE)	1135	const_iv (CREATE)
		1136	const_iv (RDONLY)
682	const_iv (USE_ENVIRON)	1137	const_iv (USE_ENVIRON)
683	const_iv (USE_ENVIRON_ROOT)	1138	const_iv (USE_ENVIRON_ROOT)
684	const_iv (LOCKDOWN)	1139	const_iv (LOCKDOWN)
685	const_iv (PRIVATE)	1140	const_iv (PRIVATE)
686	const_iv (REGISTER)
687	const_iv (SYSTEM_MEM)	1141	const_iv (SYSTEM_MEM)
688	const_iv (AUTO_COMMIT)	1142	const_iv (AUTO_COMMIT)
689	const_iv (CDB_ALLDB)	1143	const_iv (CDB_ALLDB)
690	const_iv (DIRECT_DB)	1144	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)	1145	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	1146	const_iv (NOMMAP)
699	const_iv (NOPANIC)	1147	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	1148	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	1149	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	1150	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	1151	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	1152	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)	1153	const_iv (TXN_NOT_DURABLE)
706	const_iv (TXN_WRITE_NOSYNC)	1154	const_iv (TXN_WRITE_NOSYNC)
		1155	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	1156	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	1157	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	1158	const_iv (XA_CREATE)
710	const_iv (BTREE)	1159	const_iv (BTREE)
711	const_iv (HASH)	1160	const_iv (HASH)
712	const_iv (QUEUE)	1161	const_iv (QUEUE)
713	const_iv (RECNO)	1162	const_iv (RECNO)
714	const_iv (UNKNOWN)	1163	const_iv (UNKNOWN)
715	const_iv (EXCL)	1164	const_iv (EXCL)
716	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	1165	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	1166	const_iv (NOSYNC)
719	const_iv (CHKSUM)	1167	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	1168	const_iv (ENCRYPT)
721	const_iv (TXN_NOT_DURABLE)
722	const_iv (DUP)	1169	const_iv (DUP)
723	const_iv (DUPSORT)	1170	const_iv (DUPSORT)
724	const_iv (RECNUM)	1171	const_iv (RECNUM)
725	const_iv (RENUMBER)	1172	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	1173	const_iv (REVSPLITOFF)
727	const_iv (INORDER)
728	const_iv (CONSUME)	1174	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	1175	const_iv (CONSUME_WAIT)
		1176	const_iv (GET_BOTH)
		1177	const_iv (GET_BOTH_RANGE)
		1178	//const_iv (SET_RECNO)
		1179	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	1180	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	1181	const_iv (JOIN_ITEM)
		1182	const_iv (JOIN_NOSORT)
732	const_iv (RMW)	1183	const_iv (RMW)
733		1184
734	const_iv (NOTFOUND)	1185	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	1186	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	1187	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	1188	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	1189	const_iv (RUNRECOVERY)
		1190	const_iv (OLD_VERSION)
		1191	const_iv (REP_HANDLE_DEAD)
		1192	const_iv (SECONDARY_BAD)
		1193
		1194	const_iv (APPEND)
		1195	const_iv (NODUPDATA)
		1196	const_iv (NOOVERWRITE)
		1197
		1198	const_iv (TXN_NOWAIT)
		1199	const_iv (TXN_SYNC)
		1200
		1201	const_iv (SET_LOCK_TIMEOUT)
		1202	const_iv (SET_TXN_TIMEOUT)
		1203
		1204	const_iv (FIRST)
		1205	const_iv (NEXT)
		1206	const_iv (NEXT_DUP)
		1207	const_iv (NEXT_NODUP)
		1208	const_iv (PREV)
		1209	const_iv (PREV_NODUP)
		1210	const_iv (SET)
		1211	const_iv (SET_RANGE)
		1212	const_iv (LAST)
		1213	const_iv (BEFORE)
		1214	const_iv (AFTER)
		1215	const_iv (CURRENT)
		1216	const_iv (KEYFIRST)
		1217	const_iv (KEYLAST)
		1218	const_iv (NODUPDATA)
		1219
		1220	const_iv (FORCE)
		1221
		1222	const_iv (LOCK_DEFAULT)
		1223	const_iv (LOCK_EXPIRE)
		1224	const_iv (LOCK_MAXLOCKS)
		1225	const_iv (LOCK_MINLOCKS)
		1226	const_iv (LOCK_MINWRITE)
		1227	const_iv (LOCK_OLDEST)
		1228	const_iv (LOCK_RANDOM)
		1229	const_iv (LOCK_YOUNGEST)
		1230
		1231	const_iv (DONOTINDEX)
		1232	const_iv (KEYEMPTY )
		1233	const_iv (KEYEXIST )
		1234	const_iv (LOCK_DEADLOCK)
		1235	const_iv (LOCK_NOTGRANTED)
		1236	const_iv (NOSERVER)
		1237	const_iv (NOSERVER_HOME)
		1238	const_iv (NOSERVER_ID)
		1239	const_iv (NOTFOUND)
		1240	const_iv (PAGE_NOTFOUND)
		1241	const_iv (REP_DUPMASTER)
		1242	const_iv (REP_HANDLE_DEAD)
		1243	const_iv (REP_HOLDELECTION)
		1244	const_iv (REP_ISPERM)
		1245	const_iv (REP_NEWMASTER)
		1246	const_iv (REP_NEWSITE)
		1247	const_iv (REP_NOTPERM)
		1248	const_iv (REP_UNAVAIL)
		1249	const_iv (RUNRECOVERY)
		1250	const_iv (SECONDARY_BAD)
		1251	const_iv (VERIFY_BAD)
		1252
		1253	const_iv (VERB_DEADLOCK)
		1254	const_iv (VERB_RECOVERY)
		1255	const_iv (VERB_REPLICATION)
		1256	const_iv (VERB_WAITSFOR)
		1257
		1258	const_iv (VERSION_MAJOR)
		1259	const_iv (VERSION_MINOR)
		1260	const_iv (VERSION_PATCH)
		1261	#if DB_VERSION_MINOR >= 3
		1262	const_iv (INORDER)
		1263	const_iv (LOCK_MAXWRITE)
		1264	const_iv (SEQ_DEC)
		1265	const_iv (SEQ_INC)
		1266	const_iv (SEQ_WRAP)
		1267	const_iv (BUFFER_SMALL)
		1268	const_iv (LOG_BUFFER_FULL)
		1269	const_iv (VERSION_MISMATCH)
		1270	#endif
		1271	#if DB_VERSION_MINOR >= 4
		1272	const_iv (REGISTER)
		1273	const_iv (DSYNC_DB)
		1274	const_iv (READ_COMMITTED)
		1275	const_iv (READ_UNCOMMITTED)
		1276	const_iv (REP_IGNORE)
		1277	const_iv (REP_LOCKOUT)
		1278	const_iv (REP_JOIN_FAILURE)
		1279	const_iv (FREE_SPACE)
		1280	const_iv (FREELIST_ONLY)
		1281	const_iv (VERB_REGISTER)
		1282	#endif
		1283	#if DB_VERSION_MINOR >= 5
		1284	const_iv (MULTIVERSION)
		1285	const_iv (TXN_SNAPSHOT)
		1286	#endif
		1287	#if DB_VERSION_MINOR >= 6
		1288	const_iv (PREV_DUP)
		1289	const_iv (PRIORITY_UNCHANGED)
		1290	const_iv (PRIORITY_VERY_LOW)
		1291	const_iv (PRIORITY_LOW)
		1292	const_iv (PRIORITY_DEFAULT)
		1293	const_iv (PRIORITY_HIGH)
		1294	const_iv (PRIORITY_VERY_HIGH)
		1295	#endif
		1296	#if DB_VERSION_MINOR >= 7
		1297	const_iv (LOG_DIRECT)
		1298	const_iv (LOG_DSYNC)
		1299	const_iv (LOG_AUTO_REMOVE)
		1300	const_iv (LOG_IN_MEMORY)
		1301	const_iv (LOG_ZERO)
		1302	#else
		1303	const_iv (DIRECT_LOG)
		1304	const_iv (LOG_AUTOREMOVE)
		1305	# if DB_VERSION_MINOR >= 3
		1306	const_iv (DSYNC_LOG)
		1307	const_iv (LOG_INMEMORY)
		1308	# endif
		1309	#endif
739	};	1310	};
740		1311
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1312	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1313	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1314
744	create_pipe ();	1315	{
		1316	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1317	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1318
		1319	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1320	}
		1321
		1322	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1323
		1324	create_respipe ();
		1325
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1326	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1327	patch_errno ();
746	}	1328	}
747		1329
748	void	1330	void
749	max_poll_reqs (int nreqs)	1331	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1332	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1361	max_outstanding = maxreqs;
780	OUTPUT:	1362	OUTPUT:
781	RETVAL	1363	RETVAL
782		1364
783	int	1365	int
784	bdbreq_pri (int pri = 0)	1366	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1367	PROTOTYPE: ;$
786	CODE:	1368	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1369	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1370	if (items > 0)
789	{	1371	{
…		…
793	}	1375	}
794	OUTPUT:	1376	OUTPUT:
795	RETVAL	1377	RETVAL
796		1378
797	void	1379	void
798	bdbreq_nice (int nice = 0)	1380	dbreq_nice (int nice = 0)
799	CODE:	1381	CODE:
800	nice = next_pri - nice;	1382	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1383	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1384	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1385	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1393	poll_wait ();
812	poll_cb ();	1394	poll_cb ();
813	}	1395	}
814		1396
815	int	1397	int
816	poll()	1398	poll ()
817	PROTOTYPE:	1399	PROTOTYPE:
818	CODE:	1400	CODE:
819	poll_wait ();	1401	poll_wait ();
820	RETVAL = poll_cb ();	1402	RETVAL = poll_cb ();
821	OUTPUT:	1403	OUTPUT:
822	RETVAL	1404	RETVAL
823		1405
824	int	1406	int
825	poll_fileno()	1407	poll_fileno ()
826	PROTOTYPE:	1408	PROTOTYPE:
827	CODE:	1409	CODE:
828	RETVAL = respipe [0];	1410	RETVAL = respipe [0];
829	OUTPUT:	1411	OUTPUT:
830	RETVAL	1412	RETVAL
831		1413
832	int	1414	int
833	poll_cb(...)	1415	poll_cb (...)
834	PROTOTYPE:	1416	PROTOTYPE:
835	CODE:	1417	CODE:
836	RETVAL = poll_cb ();	1418	RETVAL = poll_cb ();
837	OUTPUT:	1419	OUTPUT:
838	RETVAL	1420	RETVAL
839		1421
840	void	1422	void
841	poll_wait()	1423	poll_wait ()
842	PROTOTYPE:	1424	PROTOTYPE:
843	CODE:	1425	CODE:
844	poll_wait ();	1426	poll_wait ();
845		1427
846	int	1428	int
847	nreqs()	1429	nreqs ()
848	PROTOTYPE:	1430	PROTOTYPE:
849	CODE:	1431	CODE:
850	RETVAL = nreqs;	1432	RETVAL = nreqs;
851	OUTPUT:	1433	OUTPUT:
852	RETVAL	1434	RETVAL
853		1435
854	int	1436	int
855	nready()	1437	nready ()
856	PROTOTYPE:	1438	PROTOTYPE:
857	CODE:	1439	CODE:
858	RETVAL = get_nready ();	1440	RETVAL = get_nready ();
859	OUTPUT:	1441	OUTPUT:
860	RETVAL	1442	RETVAL
861		1443
862	int	1444	int
863	npending()	1445	npending ()
864	PROTOTYPE:	1446	PROTOTYPE:
865	CODE:	1447	CODE:
866	RETVAL = get_npending ();	1448	RETVAL = get_npending ();
867	OUTPUT:	1449	OUTPUT:
868	RETVAL	1450	RETVAL
869		1451
870	int	1452	int
871	nthreads()	1453	nthreads ()
872	PROTOTYPE:	1454	PROTOTYPE:
873	CODE:	1455	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1456	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1457	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1458	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1459	OUTPUT:
878	RETVAL	1460	RETVAL
879		1461
		1462	void
		1463	set_sync_prepare (SV *cb)
		1464	PROTOTYPE: &
		1465	CODE:
		1466	SvREFCNT_dec (prepare_cb);
		1467	prepare_cb = newSVsv (cb);
		1468
		1469	char *
		1470	strerror (int errorno = errno)
		1471	PROTOTYPE: ;$
		1472	CODE:
		1473	RETVAL = db_strerror (errorno);
		1474	OUTPUT:
		1475	RETVAL
		1476
		1477	void _on_next_submit (SV *cb)
		1478	CODE:
		1479	SvREFCNT_dec (on_next_submit);
		1480	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1481
880	DB_ENV *	1482	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1483	db_env_create (U32 env_flags = 0)
882	CODE:	1484	CODE:
883	{	1485	{
884	int err = db_env_create (&RETVAL, env_flags);	1486	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1487	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1488	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1489
		1490	if (0)
		1491	{
		1492	RETVAL->set_errcall (RETVAL, debug_errcall);
		1493	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1494	}
		1495	}
		1496	OUTPUT:
		1497	RETVAL
		1498
889	void	1499	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1500	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1501	PREINIT:
		1502	CALLBACK
891	CODE:	1503	CODE:
892	{	1504	{
893	dREQ (REQ_ENV_OPEN);	1505	dREQ (REQ_ENV_OPEN);
894	req->env = env;	1506	req->env = env;
895	req->uint1 = open_flags;	1507	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1508	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1509	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1510	REQ_SEND;
899	}	1511	}
900		1512
901	void	1513	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1514	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1515	PREINIT:
		1516	CALLBACK
903	CODE:	1517	CODE:
904	{	1518	{
905	dREQ (REQ_ENV_CLOSE);	1519	dREQ (REQ_ENV_CLOSE);
906	req->env = env;	1520	req->env = env;
907	req->uint1 = flags;	1521	req->uint1 = flags;
908	REQ_SEND;	1522	REQ_SEND;
		1523	ptr_nuke (ST (0));
		1524	}
		1525
		1526	void
		1527	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1528	PREINIT:
		1529	CALLBACK
		1530	CODE:
		1531	{
		1532	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1533	req->env = env;
		1534	req->uint1 = kbyte;
		1535	req->int1 = min;
		1536	req->uint2 = flags;
		1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1542	PREINIT:
		1543	CALLBACK
		1544	CODE:
		1545	{
		1546	dREQ (REQ_ENV_LOCK_DETECT);
		1547	req->env = env;
		1548	req->uint1 = flags;
		1549	req->uint2 = atype;
		1550	/* req->int2 = 0; dummy */
		1551	REQ_SEND;
		1552	}
		1553
		1554	void
		1555	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1556	PREINIT:
		1557	CALLBACK
		1558	CODE:
		1559	{
		1560	dREQ (REQ_ENV_MEMP_SYNC);
		1561	req->env = env;
		1562	REQ_SEND;
		1563	}
		1564
		1565	void
		1566	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1567	PREINIT:
		1568	CALLBACK
		1569	CODE:
		1570	{
		1571	dREQ (REQ_ENV_MEMP_TRICKLE);
		1572	req->env = env;
		1573	req->int1 = percent;
		1574	REQ_SEND;
		1575	}
		1576
		1577	void
		1578	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1579	PREINIT:
		1580	CALLBACK
		1581	CODE:
		1582	{
		1583	dREQ (REQ_ENV_DBREMOVE);
		1584	req->env = env;
		1585	req->buf1 = strdup_ornull (file);
		1586	req->buf2 = strdup_ornull (database);
		1587	req->uint1 = flags;
		1588	REQ_SEND;
		1589	}
		1590
		1591	void
		1592	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)
		1593	PREINIT:
		1594	CALLBACK
		1595	CODE:
		1596	{
		1597	dREQ (REQ_ENV_DBRENAME);
		1598	req->env = env;
		1599	req->buf1 = strdup_ornull (file);
		1600	req->buf2 = strdup_ornull (database);
		1601	req->buf3 = strdup_ornull (newname);
		1602	req->uint1 = flags;
		1603	REQ_SEND;
909	}	1604	}
910		1605
911	DB *	1606	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1607	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1608	CODE:
914	{	1609	{
915	int err = db_create (&RETVAL, env, flags);	1610	errno = db_create (&RETVAL, env, flags);
916	if (err)	1611	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1612	croak ("db_create: %s", db_strerror (errno));
918	}
919		1613
		1614	if (RETVAL)
		1615	RETVAL->app_private = (void *)newSVsv (ST (0));
		1616	}
		1617	OUTPUT:
		1618	RETVAL
		1619
920	void	1620	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)	1621	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1622	PREINIT:
		1623	CALLBACK
922	CODE:	1624	CODE:
923	{	1625	{
924	dREQ (REQ_DB_OPEN);	1626	dREQ (REQ_DB_OPEN);
925	req->db = db;	1627	req->db = db;
926	req->txn = txnid;	1628	req->txn = txnid;
927	req->buf1 = strdup (file);	1629	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1630	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1631	req->int1 = type;
930	req->uint1 = flags;	1632	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1633	req->int2 = mode;
932	REQ_SEND;	1634	REQ_SEND;
933	}	1635	}
934		1636
935	void	1637	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1638	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1639	PREINIT:
		1640	CALLBACK
937	CODE:	1641	CODE:
938	{	1642	{
939	dREQ (REQ_DB_CLOSE);	1643	dREQ (REQ_DB_CLOSE);
940	req->db = db;	1644	req->db = db;
941	req->uint1 = flags;	1645	req->uint1 = flags;
		1646	req->sv1 = (SV *)db->app_private;
942	REQ_SEND;	1647	REQ_SEND;
		1648	ptr_nuke (ST (0));
943	}	1649	}
		1650
		1651	#if DB_VERSION_MINOR >= 4
		1652
		1653	void
		1654	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)
		1655	PREINIT:
		1656	CALLBACK
		1657	CODE:
		1658	{
		1659	dREQ (REQ_DB_COMPACT);
		1660	req->db = db;
		1661	req->txn = txn;
		1662	sv_to_dbt (&req->dbt1, start);
		1663	sv_to_dbt (&req->dbt2, stop);
		1664	req->uint1 = flags;
		1665	REQ_SEND;
		1666	}
		1667
		1668	#endif
		1669
		1670	void
		1671	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1672	PREINIT:
		1673	CALLBACK
		1674	CODE:
		1675	{
		1676	dREQ (REQ_DB_SYNC);
		1677	req->db = db;
		1678	req->uint1 = flags;
		1679	REQ_SEND;
		1680	}
		1681
		1682	void
		1683	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1684	PREINIT:
		1685	CALLBACK
		1686	CODE:
		1687	{
		1688	dREQ (REQ_DB_SYNC);
		1689	req->db = db;
		1690	req->buf1 = strdup (file);
		1691	req->uint1 = flags;
		1692	REQ_SEND;
		1693	}
		1694
		1695	void
		1696	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1697	PREINIT:
		1698	CALLBACK
		1699	CODE:
		1700	{
		1701	dREQ (REQ_DB_KEY_RANGE);
		1702	req->db = db;
		1703	req->txn = txn;
		1704	sv_to_dbt (&req->dbt1, key);
		1705	req->uint1 = flags;
		1706	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1707	REQ_SEND;
		1708	}
		1709
		1710	void
		1711	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1712	PREINIT:
		1713	CALLBACK
		1714	CODE:
		1715	{
		1716	dREQ (REQ_DB_PUT);
		1717	req->db = db;
		1718	req->txn = txn;
		1719	sv_to_dbt (&req->dbt1, key);
		1720	sv_to_dbt (&req->dbt2, data);
		1721	req->uint1 = flags;
		1722	REQ_SEND;
		1723	}
		1724
		1725	#if DB_VERSION_MINOR >= 6
		1726
		1727	void
		1728	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1729	PREINIT:
		1730	CALLBACK
		1731	CODE:
		1732	{
		1733	dREQ (REQ_DB_EXISTS);
		1734	req->db = db;
		1735	req->txn = txn;
		1736	req->uint1 = flags;
		1737	sv_to_dbt (&req->dbt1, key);
		1738	REQ_SEND;
		1739	}
		1740
		1741	#endif
		1742
		1743	void
		1744	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1745	PREINIT:
		1746	CALLBACK
		1747	CODE:
		1748	if (SvREADONLY (data))
		1749	croak ("can't modify read-only data scalar in db_get");
		1750	{
		1751	dREQ (REQ_DB_GET);
		1752	req->db = db;
		1753	req->txn = txn;
		1754	req->uint1 = flags;
		1755	sv_to_dbt (&req->dbt1, key);
		1756	req->dbt3.flags = DB_DBT_MALLOC;
		1757	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1758	REQ_SEND;
		1759	}
		1760
		1761	void
		1762	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1763	PREINIT:
		1764	CALLBACK
		1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_pget");
		1768	{
		1769	dREQ (REQ_DB_PGET);
		1770	req->db = db;
		1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	sv_to_dbt (&req->dbt2, pkey);
		1775	req->dbt3.flags = DB_DBT_MALLOC;
		1776	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1777	REQ_SEND;
		1778	}
		1779
		1780	void
		1781	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1782	PREINIT:
		1783	CALLBACK
		1784	CODE:
		1785	{
		1786	dREQ (REQ_DB_DEL);
		1787	req->db = db;
		1788	req->txn = txn;
		1789	req->uint1 = flags;
		1790	sv_to_dbt (&req->dbt1, key);
		1791	REQ_SEND;
		1792	}
		1793
		1794	void
		1795	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1796	PREINIT:
		1797	CALLBACK
		1798	CODE:
		1799	{
		1800	dREQ (REQ_TXN_COMMIT);
		1801	req->txn = txn;
		1802	req->uint1 = flags;
		1803	REQ_SEND;
		1804	ptr_nuke (ST (0));
		1805	}
		1806
		1807	void
		1808	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
		1811	CODE:
		1812	{
		1813	dREQ (REQ_TXN_ABORT);
		1814	req->txn = txn;
		1815	REQ_SEND;
		1816	ptr_nuke (ST (0));
		1817	}
		1818
		1819	void
		1820	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1821	PREINIT:
		1822	CALLBACK
		1823	CODE:
		1824	{
		1825	dREQ (REQ_TXN_FINISH);
		1826	req->txn = txn;
		1827	req->uint1 = flags;
		1828	REQ_SEND;
		1829	ptr_nuke (ST (0));
		1830	}
		1831
		1832	void
		1833	db_c_close (DBC *dbc, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
		1836	CODE:
		1837	{
		1838	dREQ (REQ_C_CLOSE);
		1839	req->dbc = dbc;
		1840	REQ_SEND;
		1841	ptr_nuke (ST (0));
		1842	}
		1843
		1844	void
		1845	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1846	PREINIT:
		1847	CALLBACK
		1848	CODE:
		1849	{
		1850	dREQ (REQ_C_COUNT);
		1851	req->dbc = dbc;
		1852	req->sv1 = SvREFCNT_inc (count);
		1853	REQ_SEND;
		1854	}
		1855
		1856	void
		1857	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1858	PREINIT:
		1859	CALLBACK
		1860	CODE:
		1861	{
		1862	dREQ (REQ_C_PUT);
		1863	req->dbc = dbc;
		1864	sv_to_dbt (&req->dbt1, key);
		1865	sv_to_dbt (&req->dbt2, data);
		1866	req->uint1 = flags;
		1867	REQ_SEND;
		1868	}
		1869
		1870	void
		1871	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1872	PREINIT:
		1873	CALLBACK
		1874	CODE:
		1875	{
		1876	dREQ (REQ_C_GET);
		1877	req->dbc = dbc;
		1878	req->uint1 = flags;
		1879	if ((flags & DB_SET) == DB_SET
		1880	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1881	sv_to_dbt (&req->dbt1, key);
		1882	else
		1883	req->dbt1.flags = DB_DBT_MALLOC;
		1884
		1885	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1886
		1887	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1888	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1889	sv_to_dbt (&req->dbt3, data);
		1890	else
		1891	req->dbt3.flags = DB_DBT_MALLOC;
		1892
		1893	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1894	REQ_SEND;
		1895	}
		1896
		1897	void
		1898	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1899	PREINIT:
		1900	CALLBACK
		1901	CODE:
		1902	{
		1903	dREQ (REQ_C_PGET);
		1904	req->dbc = dbc;
		1905	req->uint1 = flags;
		1906	if ((flags & DB_SET) == DB_SET
		1907	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1908	sv_to_dbt (&req->dbt1, key);
		1909	else
		1910	req->dbt1.flags = DB_DBT_MALLOC;
		1911
		1912	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1913
		1914	req->dbt2.flags = DB_DBT_MALLOC;
		1915	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1916
		1917	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1918	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1919	sv_to_dbt (&req->dbt3, data);
		1920	else
		1921	req->dbt3.flags = DB_DBT_MALLOC;
		1922
		1923	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1924	REQ_SEND;
		1925	}
		1926
		1927	void
		1928	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1929	PREINIT:
		1930	CALLBACK
		1931	CODE:
		1932	{
		1933	dREQ (REQ_C_DEL);
		1934	req->dbc = dbc;
		1935	req->uint1 = flags;
		1936	REQ_SEND;
		1937	}
		1938
		1939
		1940	#if DB_VERSION_MINOR >= 3
		1941
		1942	void
		1943	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1944	PREINIT:
		1945	CALLBACK
		1946	CODE:
		1947	{
		1948	dREQ (REQ_SEQ_OPEN);
		1949	req->seq = seq;
		1950	req->txn = txnid;
		1951	req->uint1 = flags | DB_THREAD;
		1952	sv_to_dbt (&req->dbt1, key);
		1953	REQ_SEND;
		1954	}
		1955
		1956	void
		1957	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1958	PREINIT:
		1959	CALLBACK
		1960	CODE:
		1961	{
		1962	dREQ (REQ_SEQ_CLOSE);
		1963	req->seq = seq;
		1964	req->uint1 = flags;
		1965	REQ_SEND;
		1966	ptr_nuke (ST (0));
		1967	}
		1968
		1969	void
		1970	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1971	PREINIT:
		1972	CALLBACK
		1973	CODE:
		1974	{
		1975	dREQ (REQ_SEQ_GET);
		1976	req->seq = seq;
		1977	req->txn = txnid;
		1978	req->int1 = delta;
		1979	req->uint1 = flags;
		1980	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1981	REQ_SEND;
		1982	}
		1983
		1984	void
		1985	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1986	PREINIT:
		1987	CALLBACK
		1988	CODE:
		1989	{
		1990	dREQ (REQ_SEQ_REMOVE);
		1991	req->seq = seq;
		1992	req->txn = txnid;
		1993	req->uint1 = flags;
		1994	REQ_SEND;
		1995	}
		1996
		1997	#endif
944		1998
945		1999
946	MODULE = BDB PACKAGE = BDB::Env	2000	MODULE = BDB PACKAGE = BDB::Env
947		2001
		2002	void
		2003	DESTROY (DB_ENV_ornuked *env)
		2004	CODE:
		2005	if (env)
		2006	env->close (env, 0);
		2007
		2008	int set_data_dir (DB_ENV *env, const char *dir)
		2009	CODE:
		2010	RETVAL = env->set_data_dir (env, dir);
		2011	OUTPUT:
		2012	RETVAL
		2013
		2014	int set_tmp_dir (DB_ENV *env, const char *dir)
		2015	CODE:
		2016	RETVAL = env->set_tmp_dir (env, dir);
		2017	OUTPUT:
		2018	RETVAL
		2019
		2020	int set_lg_dir (DB_ENV *env, const char *dir)
		2021	CODE:
		2022	RETVAL = env->set_lg_dir (env, dir);
		2023	OUTPUT:
		2024	RETVAL
		2025
		2026	int set_shm_key (DB_ENV *env, long shm_key)
		2027	CODE:
		2028	RETVAL = env->set_shm_key (env, shm_key);
		2029	OUTPUT:
		2030	RETVAL
		2031
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2032	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		2033	CODE:
		2034	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		2035	OUTPUT:
		2036	RETVAL
949		2037
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	2038	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		2039	CODE:
		2040	RETVAL = env->set_flags (env, flags, onoff);
		2041	OUTPUT:
		2042	RETVAL
951		2043
		2044	#if DB_VERSION_MINOR >= 7
		2045
		2046	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2047	CODE:
		2048	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2049	OUTPUT:
		2050	RETVAL
		2051
		2052	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2053	CODE:
		2054	RETVAL = env->log_set_config (env, flags, onoff);
		2055	OUTPUT:
		2056	RETVAL
		2057
		2058	#endif
		2059
		2060
		2061	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2062	CODE:
		2063	env->set_errfile (env, errfile);
		2064
		2065	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2066	CODE:
		2067	env->set_msgfile (env, msgfile);
		2068
		2069	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2070	CODE:
		2071	RETVAL = env->set_verbose (env, which, onoff);
		2072	OUTPUT:
		2073	RETVAL
		2074
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	2075	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		2076	CODE:
		2077	RETVAL = env->set_encrypt (env, password, flags);
		2078	OUTPUT:
		2079	RETVAL
		2080
		2081	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2082	CODE:
		2083	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		2084	OUTPUT:
		2085	RETVAL
		2086
		2087	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2088	CODE:
		2089	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2090	OUTPUT:
		2091	RETVAL
		2092
		2093	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2094	CODE:
		2095	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2096	OUTPUT:
		2097	RETVAL
		2098
		2099	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2100	CODE:
		2101	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2102	OUTPUT:
		2103	RETVAL
		2104
		2105	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2106	CODE:
		2107	RETVAL = env->set_lk_detect (env, detect);
		2108	OUTPUT:
		2109	RETVAL
		2110
		2111	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2112	CODE:
		2113	RETVAL = env->set_lk_max_lockers (env, max);
		2114	OUTPUT:
		2115	RETVAL
		2116
		2117	int set_lk_max_locks (DB_ENV *env, U32 max)
		2118	CODE:
		2119	RETVAL = env->set_lk_max_locks (env, max);
		2120	OUTPUT:
		2121	RETVAL
		2122
		2123	int set_lk_max_objects (DB_ENV *env, U32 max)
		2124	CODE:
		2125	RETVAL = env->set_lk_max_objects (env, max);
		2126	OUTPUT:
		2127	RETVAL
		2128
		2129	int set_lg_bsize (DB_ENV *env, U32 max)
		2130	CODE:
		2131	RETVAL = env->set_lg_bsize (env, max);
		2132	OUTPUT:
		2133	RETVAL
		2134
		2135	int set_lg_max (DB_ENV *env, U32 max)
		2136	CODE:
		2137	RETVAL = env->set_lg_max (env, max);
		2138	OUTPUT:
		2139	RETVAL
		2140
		2141	#if DB_VERSION_MINOR >= 4
		2142
		2143	int mutex_set_max (DB_ENV *env, U32 max)
		2144	CODE:
		2145	RETVAL = env->mutex_set_max (env, max);
		2146	OUTPUT:
		2147	RETVAL
		2148
		2149	int mutex_set_increment (DB_ENV *env, U32 increment)
		2150	CODE:
		2151	RETVAL = env->mutex_set_increment (env, increment);
		2152	OUTPUT:
		2153	RETVAL
		2154
		2155	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2156	CODE:
		2157	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2158	OUTPUT:
		2159	RETVAL
		2160
		2161	int mutex_set_align (DB_ENV *env, U32 align)
		2162	CODE:
		2163	RETVAL = env->mutex_set_align (env, align);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	#endif
		2168
		2169	DB_TXN *
		2170	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2171	CODE:
		2172	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2173	if (errno)
		2174	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2175	OUTPUT:
		2176	RETVAL
		2177
		2178	#if DB_VERSION_MINOR >= 5
		2179
		2180	DB_TXN *
		2181	cdsgroup_begin (DB_ENV *env)
		2182	CODE:
		2183	errno = env->cdsgroup_begin (env, &RETVAL);
		2184	if (errno)
		2185	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2186	OUTPUT:
		2187	RETVAL
		2188
		2189	#endif
953		2190
954	MODULE = BDB PACKAGE = BDB::Db	2191	MODULE = BDB PACKAGE = BDB::Db
955		2192
		2193	void
		2194	DESTROY (DB_ornuked *db)
		2195	CODE:
		2196	if (db)
		2197	{
		2198	SV *env = (SV *)db->app_private;
		2199	db->close (db, 0);
		2200	SvREFCNT_dec (env);
		2201	}
		2202
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2203	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		2204	CODE:
		2205	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		2206	OUTPUT:
		2207	RETVAL
957		2208
958	int set_flags (DB *env, U32 flags, int onoff)	2209	int set_flags (DB *db, U32 flags)
		2210	CODE:
		2211	RETVAL = db->set_flags (db, flags);
		2212	OUTPUT:
		2213	RETVAL
959		2214
960	int set_encrypt (DB *db, const char *password, U32 flags)	2215	int set_encrypt (DB *db, const char *password, U32 flags)
		2216	CODE:
		2217	RETVAL = db->set_encrypt (db, password, flags);
		2218	OUTPUT:
		2219	RETVAL
961		2220
962	int set_lorder (DB *db, int lorder)	2221	int set_lorder (DB *db, int lorder)
963		2222	CODE:
		2223	RETVAL = db->set_lorder (db, lorder);
		2224	OUTPUT:
		2225	RETVAL
964		2226
965	int set_bt_minkey (DB *db, U32 minkey)	2227	int set_bt_minkey (DB *db, U32 minkey)
		2228	CODE:
		2229	RETVAL = db->set_bt_minkey (db, minkey);
		2230	OUTPUT:
		2231	RETVAL
966		2232
967	int set_re_delim(DB *db, int delim);	2233	int set_re_delim (DB *db, int delim)
		2234	CODE:
		2235	RETVAL = db->set_re_delim (db, delim);
		2236	OUTPUT:
		2237	RETVAL
968		2238
969	int set_re_pad (DB *db, int re_pad)	2239	int set_re_pad (DB *db, int re_pad)
		2240	CODE:
		2241	RETVAL = db->set_re_pad (db, re_pad);
		2242	OUTPUT:
		2243	RETVAL
970		2244
971	int set_re_source (DB *db, char *source)	2245	int set_re_source (DB *db, char *source)
		2246	CODE:
		2247	RETVAL = db->set_re_source (db, source);
		2248	OUTPUT:
		2249	RETVAL
972		2250
973	int set_re_len (DB *db, U32 re_len)	2251	int set_re_len (DB *db, U32 re_len)
		2252	CODE:
		2253	RETVAL = db->set_re_len (db, re_len);
		2254	OUTPUT:
		2255	RETVAL
974		2256
975	int set_h_ffactor (DB *db, U32 h_ffactor)	2257	int set_h_ffactor (DB *db, U32 h_ffactor)
		2258	CODE:
		2259	RETVAL = db->set_h_ffactor (db, h_ffactor);
		2260	OUTPUT:
		2261	RETVAL
976		2262
977	int set_h_nelem (DB *db, U32 h_nelem)	2263	int set_h_nelem (DB *db, U32 h_nelem)
		2264	CODE:
		2265	RETVAL = db->set_h_nelem (db, h_nelem);
		2266	OUTPUT:
		2267	RETVAL
978		2268
979	int set_q_extentsize (DB *db, U32 extentsize)	2269	int set_q_extentsize (DB *db, U32 extentsize)
		2270	CODE:
		2271	RETVAL = db->set_q_extentsize (db, extentsize);
		2272	OUTPUT:
		2273	RETVAL
980		2274
		2275	DBC *
		2276	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2277	CODE:
		2278	errno = db->cursor (db, txn, &RETVAL, flags);
		2279	if (errno)
		2280	croak ("DB->cursor: %s", db_strerror (errno));
		2281	OUTPUT:
		2282	RETVAL
981		2283
		2284	#if DB_VERSION_MINOR >= 3
		2285
		2286	DB_SEQUENCE *
		2287	sequence (DB *db, U32 flags = 0)
		2288	CODE:
		2289	{
		2290	errno = db_sequence_create (&RETVAL, db, flags);
		2291	if (errno)
		2292	croak ("db_sequence_create: %s", db_strerror (errno));
		2293	}
		2294	OUTPUT:
		2295	RETVAL
		2296
		2297	#endif
		2298
		2299
		2300	MODULE = BDB PACKAGE = BDB::Txn
		2301
		2302	void
		2303	DESTROY (DB_TXN_ornuked *txn)
		2304	CODE:
		2305	if (txn)
		2306	txn->abort (txn);
		2307
		2308	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2309	CODE:
		2310	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2311	OUTPUT:
		2312	RETVAL
		2313
		2314	int failed (DB_TXN *txn)
		2315	CODE:
		2316	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2317	OUTPUT:
		2318	RETVAL
		2319
		2320
		2321	MODULE = BDB PACKAGE = BDB::Cursor
		2322
		2323	void
		2324	DESTROY (DBC_ornuked *dbc)
		2325	CODE:
		2326	if (dbc)
		2327	dbc->c_close (dbc);
		2328
		2329	#if DB_VERSION_MINOR >= 6
		2330
		2331	int set_priority (DBC *dbc, int priority)
		2332	CODE:
		2333	dbc->set_priority (dbc, priority);
		2334
		2335	#endif
		2336
		2337	#if DB_VERSION_MINOR >= 3
		2338
		2339	MODULE = BDB PACKAGE = BDB::Sequence
		2340
		2341	void
		2342	DESTROY (DB_SEQUENCE_ornuked *seq)
		2343	CODE:
		2344	if (seq)
		2345	seq->close (seq, 0);
		2346
		2347	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2348	CODE:
		2349	RETVAL = seq->initial_value (seq, value);
		2350	OUTPUT:
		2351	RETVAL
		2352
		2353	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2354	CODE:
		2355	RETVAL = seq->set_cachesize (seq, size);
		2356	OUTPUT:
		2357	RETVAL
		2358
		2359	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2360	CODE:
		2361	RETVAL = seq->set_flags (seq, flags);
		2362	OUTPUT:
		2363	RETVAL
		2364
		2365	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2366	CODE:
		2367	RETVAL = seq->set_range (seq, min, max);
		2368	OUTPUT:
		2369	RETVAL
		2370
		2371	#endif
		2372
		2373

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