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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 2007 UTC vs.
Revision 1.21 by root, Thu Dec 6 02:44:48 2007 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
		31
		32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	42	typedef DB DB_ornull;
		43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
49		44
50	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	46	typedef char *octetstring;
52		47
53	static SV *prepare_cb;	48	static SV *prepare_cb;
54		49
		50	#if DB_VERSION_MINOR >= 6
		51	# define c_close close
		52	# define c_count count
		53	# define c_del del
		54	# define c_dup dup
		55	# define c_get get
		56	# define c_pget pget
		57	# define c_put put
		58	#endif
		59
		60	static void
		61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		62	{
		63	printf ("err[%s]\n", msg);
		64	}
		65
		66	static void
		67	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		68	{
		69	printf ("msg[%s]\n", msg);
		70	}
		71
55	static inline char *	72	static char *
56	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
57	{	74	{
58	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
59	}	76	}
60		77
61	inline void	78	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	79	sv_to_dbt (DBT *dbt, SV *sv)
63	{	80	{
64	STRLEN len;	81	STRLEN len;
65	char *data = SvPVbyte (sv, len);	82	char *data = SvPVbyte (sv, len);
66		83
67	dbt->data = malloc (len);	84	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	85	memcpy (dbt->data, data, len);
69	dbt->size = len;	86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
70	}	88	}
71		89
72	inline void	90	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	91	dbt_to_sv (SV *sv, DBT *dbt)
74	{	92	{
		93	if (sv)
		94	{
75	SvREADONLY_off (sv);	95	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
77		99
78	free (dbt->data);	100	free (dbt->data);
79	}	101	}
80		102
81	enum {	103	enum {
82	REQ_QUIT,	104	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE,	105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	109	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,
		111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
86	};	112	};
87		113
88	typedef struct aio_cb	114	typedef struct aio_cb
89	{	115	{
90	struct aio_cb *volatile next;	116	struct aio_cb *volatile next;
…		…
92	int type, pri, result;	118	int type, pri, result;
93		119
94	DB_ENV *env;	120	DB_ENV *env;
95	DB *db;	121	DB *db;
96	DB_TXN *txn;	122	DB_TXN *txn;
97	DBC *cursor;	123	DBC *dbc;
		124
		125	UV uv1;
98	int int1, int2;	126	int int1, int2;
99	U32 uint1, uint2;	127	U32 uint1, uint2;
100	char *buf1, *buf2;	128	char *buf1, *buf2;
101	SV *sv1, *sv2;	129	SV *sv1, *sv2, *sv3;
102		130
103	DBT dbt1, dbt2, dbt3;	131	DBT dbt1, dbt2, dbt3;
		132	DB_KEY_RANGE key_range;
		133	DB_SEQUENCE *seq;
		134	db_seq_t seq_t;
104	} aio_cb;	135	} aio_cb;
105		136
106	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
107		138
108	enum {	139	enum {
…		…
128		159
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		161
131	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
132		163
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	164	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
144		166
145	typedef struct worker {	167	typedef struct worker {
146	/* locked by wrklock */	168	/* locked by wrklock */
147	struct worker *prev, *next;	169	struct worker *prev, *next;
148		170
149	pthread_t tid;	171	thread_t tid;
150		172
151	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
153	void *dbuf;	175	void *dbuf;
154	DIR *dirp;	176	DIR *dirp;
…		…
169	}	191	}
170		192
171	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		197
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
179		201
180	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
181		203
182	static unsigned int get_nready ()	204	static unsigned int get_nready ()
183	{	205	{
184	unsigned int retval;	206	unsigned int retval;
185		207
186	LOCK (reqlock);	208	X_LOCK (reqlock);
187	retval = nready;	209	retval = nready;
188	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
189		211
190	return retval;	212	return retval;
191	}	213	}
192		214
193	static unsigned int get_npending ()	215	static unsigned int get_npending ()
194	{	216	{
195	unsigned int retval;	217	unsigned int retval;
196		218
197	LOCK (reslock);	219	X_LOCK (reslock);
198	retval = npending;	220	retval = npending;
199	UNLOCK (reslock);	221	X_UNLOCK (reslock);
200		222
201	return retval;	223	return retval;
202	}	224	}
203		225
204	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
205	{	227	{
206	unsigned int retval;	228	unsigned int retval;
207		229
208	LOCK (wrklock);	230	X_LOCK (wrklock);
209	retval = started;	231	retval = started;
210	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
211		233
212	return retval;	234	return retval;
213	}	235	}
214		236
215	#else	237	#else
…		…
285	if (SvOK (req->callback))	307	if (SvOK (req->callback))
286	{	308	{
287	ENTER;	309	ENTER;
288	SAVETMPS;	310	SAVETMPS;
289	PUSHMARK (SP);	311	PUSHMARK (SP);
290	EXTEND (SP, 1);
291		312
292	switch (req->type)	313	switch (req->type)
293	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
294	case REQ_DB_GET:	319	case REQ_DB_GET:
295	case REQ_DB_PGET:	320	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);	321	dbt_to_sv (req->sv3, &req->dbt3);
		322	break;
		323
		324	case REQ_C_GET:
		325	case REQ_C_PGET:
		326	dbt_to_sv (req->sv1, &req->dbt1);
		327	dbt_to_sv (req->sv2, &req->dbt2);
		328	dbt_to_sv (req->sv3, &req->dbt3);
		329	break;
		330
		331	case REQ_DB_KEY_RANGE:
		332	{
		333	AV *av = newAV ();
		334
		335	av_push (av, newSVnv (req->key_range.less));
		336	av_push (av, newSVnv (req->key_range.equal));
		337	av_push (av, newSVnv (req->key_range.greater));
		338
		339	SvREADONLY_off (req->sv1);
		340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
297	SvREFCNT_dec (req->sv1);	341	SvREFCNT_dec (req->sv1);
298	break;	342	}
		343	break;
299		344
300	case REQ_DB_CLOSE:	345	case REQ_SEQ_GET:
		346	SvREADONLY_off (req->sv1);
		347
		348	if (sizeof (IV) > 4)
		349	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		350	else
		351	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		352
301	SvREFCNT_dec (req->sv1);	353	SvREFCNT_dec (req->sv1);
302	break;	354	break;
303	}	355	}
304		356
305	errno = req->result;	357	errno = req->result;
…		…
320	free (req->buf1);	372	free (req->buf1);
321	free (req->buf2);	373	free (req->buf2);
322	Safefree (req);	374	Safefree (req);
323	}	375	}
324		376
325	static void *aio_proc (void *arg);	377	#ifdef USE_SOCKETS_AS_HANDLES
		378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		379	#else
		380	# define TO_SOCKET(x) (x)
		381	#endif
		382
		383	static void
		384	create_respipe ()
		385	{
		386	#ifdef _WIN32
		387	int arg; /* argg */
		388	#endif
		389	int old_readfd = respipe [0];
		390
		391	if (respipe [1] >= 0)
		392	respipe_close (TO_SOCKET (respipe [1]));
		393
		394	#ifdef _WIN32
		395	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		396	#else
		397	if (pipe (respipe))
		398	#endif
		399	croak ("unable to initialize result pipe");
		400
		401	if (old_readfd >= 0)
		402	{
		403	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		404	croak ("unable to initialize result pipe(2)");
		405
		406	respipe_close (respipe [0]);
		407	respipe [0] = old_readfd;
		408	}
		409
		410	#ifdef _WIN32
		411	arg = 1;
		412	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		413	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		414	#else
		415	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		416	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		417	#endif
		418	croak ("unable to initialize result pipe(3)");
		419
		420	respipe_osf [0] = TO_SOCKET (respipe [0]);
		421	respipe_osf [1] = TO_SOCKET (respipe [1]);
		422	}
		423
		424	X_THREAD_PROC (bdb_proc);
326		425
327	static void start_thread (void)	426	static void start_thread (void)
328	{	427	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	428	worker *wrk = calloc (1, sizeof (worker));
333		429
334	if (!wrk)	430	if (!wrk)
335	croak ("unable to allocate worker thread data");	431	croak ("unable to allocate worker thread data");
336		432
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	433	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	434	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	435	{
350	wrk->prev = &wrk_first;	436	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	437	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	438	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	439	wrk_first.next = wrk;
354	++started;	440	++started;
355	}	441	}
356	else	442	else
357	free (wrk);	443	free (wrk);
358		444
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	445	X_UNLOCK (wrklock);
361	}	446	}
362		447
363	static void maybe_start_thread ()	448	static void maybe_start_thread ()
364	{	449	{
365	if (get_nthreads () >= wanted)	450	if (get_nthreads () >= wanted)
…		…
377	SV *wait_callback = 0;	462	SV *wait_callback = 0;
378		463
379	// synthesize callback if none given	464	// synthesize callback if none given
380	if (!SvOK (req->callback))	465	if (!SvOK (req->callback))
381	{	466	{
		467	int count;
		468
382	dSP;	469	dSP;
383	PUSHMARK (SP);	470	PUSHMARK (SP);
384	PUTBACK;	471	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	472	count = call_sv (prepare_cb, G_ARRAY);
386	SPAGAIN;	473	SPAGAIN;
387		474
388	if (count != 2)	475	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");	476	croak ("prepare callback must return exactly two values\n");
390		477
…		…
393	req->callback = SvREFCNT_inc (POPs);	480	req->callback = SvREFCNT_inc (POPs);
394	}	481	}
395		482
396	++nreqs;	483	++nreqs;
397		484
398	LOCK (reqlock);	485	X_LOCK (reqlock);
399	++nready;	486	++nready;
400	reqq_push (&req_queue, req);	487	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	488	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	489	X_UNLOCK (reqlock);
403		490
404	maybe_start_thread ();	491	maybe_start_thread ();
405		492
406	if (wait_callback)	493	if (wait_callback)
407	{	494	{
…		…
420	Newz (0, req, 1, aio_cb);	507	Newz (0, req, 1, aio_cb);
421		508
422	req->type = REQ_QUIT;	509	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	510	req->pri = PRI_MAX + PRI_BIAS;
424		511
425	LOCK (reqlock);	512	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	513	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	514	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	515	X_UNLOCK (reqlock);
429		516
430	LOCK (wrklock);	517	X_LOCK (wrklock);
431	--started;	518	--started;
432	UNLOCK (wrklock);	519	X_UNLOCK (wrklock);
433	}	520	}
434		521
435	static void set_max_idle (int nthreads)	522	static void set_max_idle (int nthreads)
436	{	523	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	524	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	525	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	526	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	527	}
441		528
442	static void min_parallel (int nthreads)	529	static void min_parallel (int nthreads)
443	{	530	{
444	if (wanted < nthreads)	531	if (wanted < nthreads)
…		…
459	fd_set rfd;	546	fd_set rfd;
460		547
461	while (nreqs)	548	while (nreqs)
462	{	549	{
463	int size;	550	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	551	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	552	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	553	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		554
468	if (size)	555	if (size)
469	return;	556	return;
470		557
471	maybe_start_thread ();	558	maybe_start_thread ();
472		559
473	FD_ZERO(&rfd);	560	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	561	FD_SET (respipe [0], &rfd);
475		562
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	563	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	564	}
478	}	565	}
479		566
480	static int poll_cb ()	567	static int poll_cb ()
481	{	568	{
…		…
493	{	580	{
494	for (;;)	581	for (;;)
495	{	582	{
496	maybe_start_thread ();	583	maybe_start_thread ();
497		584
498	LOCK (reslock);	585	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	586	req = reqq_shift (&res_queue);
500		587
501	if (req)	588	if (req)
502	{	589	{
503	--npending;	590	--npending;
504		591
505	if (!res_queue.size)	592	if (!res_queue.size)
506	{	593	{
507	/* read any signals sent by the worker threads */	594	/* read any signals sent by the worker threads */
508	char buf [4];	595	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	596	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	597	;
511	}	598	}
512	}	599	}
513		600
514	UNLOCK (reslock);	601	X_UNLOCK (reslock);
515		602
516	if (!req)	603	if (!req)
517	break;	604	break;
518		605
519	--nreqs;	606	--nreqs;
…		…
549	}	636	}
550		637
551	return count;	638	return count;
552	}	639	}
553		640
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	641	/*****************************************************************************/
567		642
568	static void *aio_proc (void *thr_arg)	643	X_THREAD_PROC (bdb_proc)
569	{	644	{
570	aio_req req;	645	aio_req req;
571	struct timespec ts;	646	struct timespec ts;
572	worker *self = (worker *)thr_arg;	647	worker *self = (worker *)thr_arg;
573		648
574	/* try to distribute timeouts somewhat evenly */	649	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	650	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		651
578	for (;;)	652	for (;;)
579	{	653	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	654	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		655
582	LOCK (reqlock);	656	X_LOCK (reqlock);
583		657
584	for (;;)	658	for (;;)
585	{	659	{
586	self->req = req = reqq_shift (&req_queue);	660	self->req = req = reqq_shift (&req_queue);
587		661
588	if (req)	662	if (req)
589	break;	663	break;
590		664
591	++idle;	665	++idle;
592		666
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	667	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	668	== ETIMEDOUT)
595	{	669	{
596	if (idle > max_idle)	670	if (idle > max_idle)
597	{	671	{
598	--idle;	672	--idle;
599	UNLOCK (reqlock);	673	X_UNLOCK (reqlock);
600	LOCK (wrklock);	674	X_LOCK (wrklock);
601	--started;	675	--started;
602	UNLOCK (wrklock);	676	X_UNLOCK (wrklock);
603	goto quit;	677	goto quit;
604	}	678	}
605		679
606	/* we are allowed to idle, so do so without any timeout */	680	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	681	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	682	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	683	}
610		684
611	--idle;	685	--idle;
612	}	686	}
613		687
614	--nready;	688	--nready;
615		689
616	UNLOCK (reqlock);	690	X_UNLOCK (reqlock);
617		691
618	switch (req->type)	692	switch (req->type)
619	{	693	{
620	case REQ_QUIT:	694	case REQ_QUIT:
		695	req->result = ENOSYS;
621	goto quit;	696	goto quit;
622		697
623	case REQ_ENV_OPEN:	698	case REQ_ENV_OPEN:
624	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	699	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
625	break;	700	break;
626		701
627	case REQ_ENV_CLOSE:	702	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);	703	req->result = req->env->close (req->env, req->uint1);
629	break;	704	break;
630		705
		706	case REQ_ENV_TXN_CHECKPOINT:
		707	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		708	break;
		709
		710	case REQ_ENV_LOCK_DETECT:
		711	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		712	break;
		713
		714	case REQ_ENV_MEMP_SYNC:
		715	req->result = req->env->memp_sync (req->env, 0);
		716	break;
		717
		718	case REQ_ENV_MEMP_TRICKLE:
		719	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		720	break;
		721
631	case REQ_DB_OPEN:	722	case REQ_DB_OPEN:
632	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	723	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
633	break;	724	break;
634		725
635	case REQ_DB_CLOSE:	726	case REQ_DB_CLOSE:
…		…
654		745
655	case REQ_DB_PGET:	746	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	747	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;	748	break;
658		749
		750	case REQ_DB_DEL:
		751	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		752	break;
		753
		754	case REQ_DB_KEY_RANGE:
		755	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		756	break;
		757
659	case REQ_TXN_COMMIT:	758	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);	759	req->result = req->txn->commit (req->txn, req->uint1);
661	break;	760	break;
662		761
663	case REQ_TXN_ABORT:	762	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);	763	req->result = req->txn->abort (req->txn);
665	break;	764	break;
666		765
		766	case REQ_TXN_FINISH:
		767	if (req->txn->flags & TXN_DEADLOCK)
		768	{
		769	req->result = req->txn->abort (req->txn);
		770	if (!req->result)
		771	req->result = DB_LOCK_DEADLOCK;
		772	}
		773	else
		774	req->result = req->txn->commit (req->txn, req->uint1);
		775	break;
		776
		777	case REQ_C_CLOSE:
		778	req->result = req->dbc->c_close (req->dbc);
		779	break;
		780
		781	case REQ_C_COUNT:
		782	{
		783	db_recno_t recno;
		784	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		785	req->uv1 = recno;
		786	}
		787	break;
		788
		789	case REQ_C_PUT:
		790	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		791	break;
		792
		793	case REQ_C_GET:
		794	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		795	break;
		796
		797	case REQ_C_PGET:
		798	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		799	break;
		800
		801	case REQ_C_DEL:
		802	req->result = req->dbc->c_del (req->dbc, req->uint1);
		803	break;
		804
		805	case REQ_SEQ_OPEN:
		806	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		807	break;
		808
		809	case REQ_SEQ_CLOSE:
		810	req->result = req->seq->close (req->seq, req->uint1);
		811	break;
		812
		813	case REQ_SEQ_GET:
		814	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		815	break;
		816
		817	case REQ_SEQ_REMOVE:
		818	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		819	break;
		820
667	default:	821	default:
668	req->result = ENOSYS;	822	req->result = ENOSYS;
669	break;	823	break;
670	}	824	}
671		825
		826	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		827	req->txn->flags |= TXN_DEADLOCK;
		828
672	LOCK (reslock);	829	X_LOCK (reslock);
673		830
674	++npending;	831	++npending;
675		832
676	if (!reqq_push (&res_queue, req))	833	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	834	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	835	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		836
680	self->req = 0;	837	self->req = 0;
681	worker_clear (self);	838	worker_clear (self);
682		839
683	UNLOCK (reslock);	840	X_UNLOCK (reslock);
684	}	841	}
685		842
686	quit:	843	quit:
687	LOCK (wrklock);	844	X_LOCK (wrklock);
688	worker_free (self);	845	worker_free (self);
689	UNLOCK (wrklock);	846	X_UNLOCK (wrklock);
690		847
691	return 0;	848	return 0;
692	}	849	}
693		850
694	/*****************************************************************************/	851	/*****************************************************************************/
695		852
696	static void atfork_prepare (void)	853	static void atfork_prepare (void)
697	{	854	{
698	LOCK (wrklock);	855	X_LOCK (wrklock);
699	LOCK (reqlock);	856	X_LOCK (reqlock);
700	LOCK (reslock);	857	X_LOCK (reslock);
701	}	858	}
702		859
703	static void atfork_parent (void)	860	static void atfork_parent (void)
704	{	861	{
705	UNLOCK (reslock);	862	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	863	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	864	X_UNLOCK (wrklock);
708	}	865	}
709		866
710	static void atfork_child (void)	867	static void atfork_child (void)
711	{	868	{
712	aio_req prv;	869	aio_req prv;
…		…
732	idle = 0;	889	idle = 0;
733	nreqs = 0;	890	nreqs = 0;
734	nready = 0;	891	nready = 0;
735	npending = 0;	892	npending = 0;
736		893
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	894	create_respipe ();
740		895
741	atfork_parent ();	896	atfork_parent ();
742	}	897	}
743		898
744	#define dREQ(reqtype) \	899	#define dREQ(reqtype) \
…		…
762		917
763	#define SvPTR(var, arg, type, class, nullok) \	918	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	919	if (!SvOK (arg)) \
765	{ \	920	{ \
766	if (!nullok) \	921	if (!nullok) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	922	croak (# var " must be a " # class " object, not undef"); \
768	\	923	\
769	(var) = 0; \	924	(var) = 0; \
770	} \	925	} \
771	else if (sv_derived_from ((arg), # class)) \	926	else if (sv_derived_from ((arg), # class)) \
772	{ \	927	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	928	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	929	(var) = INT2PTR (type, tmp); \
775	if (!var) \	930	if (!var) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	931	croak (# var " is not a valid " # class " object anymore"); \
777	} \	932	} \
778	else \	933	else \
779	Perl_croak (# var " is not of type " # class); \	934	croak (# var " is not of type " # class); \
780	\	935	\
781		936
782	static void	937	static void
783	ptr_nuke (SV *sv)	938	ptr_nuke (SV *sv)
784	{	939	{
…		…
808	const_iv (INIT_TXN)	963	const_iv (INIT_TXN)
809	const_iv (RECOVER)	964	const_iv (RECOVER)
810	const_iv (INIT_TXN)	965	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	966	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	967	const_iv (CREATE)
		968	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	969	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	970	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	971	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	972	const_iv (PRIVATE)
817	const_iv (REGISTER)	973	const_iv (REGISTER)
…		…
823	const_iv (DSYNC_DB)	979	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)	980	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)	981	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)	982	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	983	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	984	const_iv (NOMMAP)
830	const_iv (NOPANIC)	985	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	986	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	987	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	988	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	989	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	990	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	991	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	992	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	993	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	994	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	995	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	996	const_iv (XA_CREATE)
…		…
849	const_iv (READ_UNCOMMITTED)	1004	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1005	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1006	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1007	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1008	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1009	const_iv (DUP)
856	const_iv (DUPSORT)	1010	const_iv (DUPSORT)
857	const_iv (RECNUM)	1011	const_iv (RECNUM)
858	const_iv (RENUMBER)	1012	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1013	const_iv (REVSPLITOFF)
860	const_iv (INORDER)	1014	const_iv (INORDER)
861	const_iv (CONSUME)	1015	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1016	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1017	const_iv (GET_BOTH)
		1018	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1019	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1020	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1021	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1022	const_iv (JOIN_ITEM)
868	const_iv (RMW)	1023	const_iv (RMW)
…		…
873	const_iv (LOCK_NOTGRANTED)	1028	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1029	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1030	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1031	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1032	const_iv (REP_LOCKOUT)
		1033	const_iv (SECONDARY_BAD)
878		1034
879	const_iv (FREE_SPACE)	1035	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)	1036	const_iv (FREELIST_ONLY)
881		1037
882	const_iv (APPEND)	1038	const_iv (APPEND)
883	const_iv (NODUPDATA)	1039	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1040	const_iv (NOOVERWRITE)
885		1041
886	const_iv (TXN_NOWAIT)	1042	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1043	const_iv (TXN_SYNC)
889		1044
890	const_iv (SET_LOCK_TIMEOUT)	1045	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1046	const_iv (SET_TXN_TIMEOUT)
		1047
		1048	const_iv (JOIN_ITEM)
		1049	const_iv (FIRST)
		1050	const_iv (NEXT)
		1051	const_iv (NEXT_DUP)
		1052	const_iv (NEXT_NODUP)
		1053	const_iv (PREV)
		1054	const_iv (PREV_NODUP)
		1055	const_iv (SET)
		1056	const_iv (SET_RANGE)
		1057	const_iv (LAST)
		1058	const_iv (BEFORE)
		1059	const_iv (AFTER)
		1060	const_iv (CURRENT)
		1061	const_iv (KEYFIRST)
		1062	const_iv (KEYLAST)
		1063	const_iv (NODUPDATA)
		1064
		1065	const_iv (FORCE)
		1066
		1067	const_iv (LOCK_DEFAULT)
		1068	const_iv (LOCK_EXPIRE)
		1069	const_iv (LOCK_MAXLOCKS)
		1070	const_iv (LOCK_MAXWRITE)
		1071	const_iv (LOCK_MINLOCKS)
		1072	const_iv (LOCK_MINWRITE)
		1073	const_iv (LOCK_OLDEST)
		1074	const_iv (LOCK_RANDOM)
		1075	const_iv (LOCK_YOUNGEST)
		1076
		1077	const_iv (SEQ_DEC)
		1078	const_iv (SEQ_INC)
		1079	const_iv (SEQ_WRAP)
		1080
		1081	const_iv (BUFFER_SMALL)
		1082	const_iv (DONOTINDEX)
		1083	const_iv (KEYEMPTY )
		1084	const_iv (KEYEXIST )
		1085	const_iv (LOCK_DEADLOCK)
		1086	const_iv (LOCK_NOTGRANTED)
		1087	const_iv (LOG_BUFFER_FULL)
		1088	const_iv (NOSERVER)
		1089	const_iv (NOSERVER_HOME)
		1090	const_iv (NOSERVER_ID)
		1091	const_iv (NOTFOUND)
		1092	const_iv (OLD_VERSION)
		1093	const_iv (PAGE_NOTFOUND)
		1094	const_iv (REP_DUPMASTER)
		1095	const_iv (REP_HANDLE_DEAD)
		1096	const_iv (REP_HOLDELECTION)
		1097	const_iv (REP_IGNORE)
		1098	const_iv (REP_ISPERM)
		1099	const_iv (REP_JOIN_FAILURE)
		1100	const_iv (REP_LOCKOUT)
		1101	const_iv (REP_NEWMASTER)
		1102	const_iv (REP_NEWSITE)
		1103	const_iv (REP_NOTPERM)
		1104	const_iv (REP_UNAVAIL)
		1105	const_iv (RUNRECOVERY)
		1106	const_iv (SECONDARY_BAD)
		1107	const_iv (VERIFY_BAD)
		1108	const_iv (VERSION_MISMATCH)
		1109
		1110	const_iv (VERB_DEADLOCK)
		1111	const_iv (VERB_RECOVERY)
		1112	const_iv (VERB_REGISTER)
		1113	const_iv (VERB_REPLICATION)
		1114	const_iv (VERB_WAITSFOR)
		1115
		1116	const_iv (VERSION_MAJOR)
		1117	const_iv (VERSION_MINOR)
		1118	const_iv (VERSION_PATCH)
		1119	#if DB_VERSION_MINOR >= 5
		1120	const_iv (MULTIVERSION)
		1121	const_iv (TXN_SNAPSHOT)
		1122	#endif
		1123	#if DB_VERSION_MINOR >= 6
		1124	const_iv (PREV_DUP)
		1125	# if 0
		1126	const_iv (PRIORITY_UNCHANGED)
		1127	const_iv (PRIORITY_VERY_LOW)
		1128	const_iv (PRIORITY_LOW)
		1129	const_iv (PRIORITY_DEFAULT)
		1130	const_iv (PRIORITY_HIGH)
		1131	const_iv (PRIORITY_VERY_HIGH)
		1132	# endif
		1133	#endif
892	};	1134	};
893		1135
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1136	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1137	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1138
897	create_pipe ();	1139	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1140	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1141
		1142	create_respipe ();
		1143
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1144	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1145	#ifdef _WIN32
		1146	X_MUTEX_CHECK (wrklock);
		1147	X_MUTEX_CHECK (reslock);
		1148	X_MUTEX_CHECK (reqlock);
		1149
		1150	X_COND_CHECK (reqwait);
		1151	#endif
899	}	1152	}
900		1153
901	void	1154	void
902	max_poll_reqs (int nreqs)	1155	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1156	PROTOTYPE: $
…		…
1022		1275
1023	int	1276	int
1024	nthreads ()	1277	nthreads ()
1025	PROTOTYPE:	1278	PROTOTYPE:
1026	CODE:	1279	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1280	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1281	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1282	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1283	OUTPUT:
1031	RETVAL	1284	RETVAL
1032		1285
1033	void	1286	void
1034	set_sync_prepare (SV *cb)	1287	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1288	PROTOTYPE: &
1036	CODE:	1289	CODE:
1037	SvREFCNT_dec (prepare_cb);	1290	SvREFCNT_dec (prepare_cb);
1038	prepare_cb = newSVsv (cb);	1291	prepare_cb = newSVsv (cb);
		1292
		1293	char *
		1294	strerror (int errorno = errno)
		1295	PROTOTYPE: ;$
		1296	CODE:
		1297	RETVAL = db_strerror (errorno);
		1298	OUTPUT:
		1299	RETVAL
1039		1300
1040	DB_ENV *	1301	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1302	db_env_create (U32 env_flags = 0)
1042	CODE:	1303	CODE:
1043	{	1304	{
1044	errno = db_env_create (&RETVAL, env_flags);	1305	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1306	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1307	croak ("db_env_create: %s", db_strerror (errno));
		1308
		1309	if (0)
		1310	{
		1311	RETVAL->set_errcall (RETVAL, debug_errcall);
		1312	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1313	}
1047	}	1314	}
1048	OUTPUT:	1315	OUTPUT:
1049	RETVAL	1316	RETVAL
1050		1317
1051	void	1318	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1319	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1053	CODE:	1320	CODE:
1054	{	1321	{
1055	dREQ (REQ_ENV_OPEN);	1322	dREQ (REQ_ENV_OPEN);
		1323
		1324	env->set_thread_count (env, wanted + 2);
		1325
1056	req->env = env;	1326	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1327	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1328	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1329	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1330	REQ_SEND;
…		…
1069	req->uint1 = flags;	1339	req->uint1 = flags;
1070	REQ_SEND;	1340	REQ_SEND;
1071	ptr_nuke (ST (0));	1341	ptr_nuke (ST (0));
1072	}	1342	}
1073		1343
		1344	void
		1345	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1346	CODE:
		1347	{
		1348	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1349	req->env = env;
		1350	req->uint1 = kbyte;
		1351	req->int1 = min;
		1352	req->uint2 = flags;
		1353	REQ_SEND;
		1354	}
		1355
		1356	void
		1357	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1358	CODE:
		1359	{
		1360	dREQ (REQ_ENV_LOCK_DETECT);
		1361	req->env = env;
		1362	req->uint1 = flags;
		1363	req->uint2 = atype;
		1364	REQ_SEND;
		1365	}
		1366
		1367	void
		1368	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1369	CODE:
		1370	{
		1371	dREQ (REQ_ENV_MEMP_SYNC);
		1372	req->env = env;
		1373	REQ_SEND;
		1374	}
		1375
		1376	void
		1377	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1378	CODE:
		1379	{
		1380	dREQ (REQ_ENV_MEMP_TRICKLE);
		1381	req->env = env;
		1382	req->int1 = percent;
		1383	REQ_SEND;
		1384	}
		1385
		1386
1074	DB *	1387	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1388	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1389	CODE:
1077	{	1390	{
1078	errno = db_create (&RETVAL, env, flags);	1391	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1392	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1393	croak ("db_create: %s", db_strerror (errno));
1081		1394
1082	if (RETVAL)	1395	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1396	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1397	}
1085	OUTPUT:	1398	OUTPUT:
…		…
1134	req->uint1 = flags;	1447	req->uint1 = flags;
1135	REQ_SEND;	1448	REQ_SEND;
1136	}	1449	}
1137		1450
1138	void	1451	void
		1452	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1453	CODE:
		1454	{
		1455	dREQ (REQ_DB_KEY_RANGE);
		1456	req->db = db;
		1457	req->txn = txn;
		1458	sv_to_dbt (&req->dbt1, key);
		1459	req->uint1 = flags;
		1460	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1461	REQ_SEND;
		1462	}
		1463
		1464	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1465	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1140	CODE:	1466	CODE:
1141	{	1467	{
1142	dREQ (REQ_DB_PUT);	1468	dREQ (REQ_DB_PUT);
1143	req->db = db;	1469	req->db = db;
…		…
1153	CODE:	1479	CODE:
1154	{	1480	{
1155	dREQ (REQ_DB_GET);	1481	dREQ (REQ_DB_GET);
1156	req->db = db;	1482	req->db = db;
1157	req->txn = txn;	1483	req->txn = txn;
		1484	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1485	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1486	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1487	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1488	REQ_SEND;
1164	}	1489	}
1165		1490
1166	void	1491	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1492	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1168	CODE:	1493	CODE:
1169	{	1494	{
1170	dREQ (REQ_DB_PGET);	1495	dREQ (REQ_DB_PGET);
1171	req->db = db;	1496	req->db = db;
1172	req->txn = txn;	1497	req->txn = txn;
		1498	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1499	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1500	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1501	req->dbt3.flags = DB_DBT_MALLOC;
		1502	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1503	REQ_SEND;
		1504	}
		1505
		1506	void
		1507	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1508	CODE:
		1509	{
		1510	dREQ (REQ_DB_DEL);
		1511	req->db = db;
		1512	req->txn = txn;
1176	req->uint1 = flags;	1513	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1514	sv_to_dbt (&req->dbt1, key);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1515	REQ_SEND;
1180	}	1516	}
1181		1517
1182	void	1518	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1519	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
…		…
1198	req->txn = txn;	1534	req->txn = txn;
1199	REQ_SEND;	1535	REQ_SEND;
1200	ptr_nuke (ST (0));	1536	ptr_nuke (ST (0));
1201	}	1537	}
1202		1538
		1539	void
		1540	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1541	CODE:
		1542	{
		1543	dREQ (REQ_TXN_FINISH);
		1544	req->txn = txn;
		1545	req->uint1 = flags;
		1546	REQ_SEND;
		1547	ptr_nuke (ST (0));
		1548	}
		1549
		1550	void
		1551	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1552	CODE:
		1553	{
		1554	dREQ (REQ_C_CLOSE);
		1555	req->dbc = dbc;
		1556	REQ_SEND;
		1557	ptr_nuke (ST (0));
		1558	}
		1559
		1560	void
		1561	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1562	CODE:
		1563	{
		1564	dREQ (REQ_C_COUNT);
		1565	req->dbc = dbc;
		1566	req->sv1 = SvREFCNT_inc (count);
		1567	REQ_SEND;
		1568	}
		1569
		1570	void
		1571	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1572	CODE:
		1573	{
		1574	dREQ (REQ_C_PUT);
		1575	req->dbc = dbc;
		1576	sv_to_dbt (&req->dbt1, key);
		1577	sv_to_dbt (&req->dbt2, data);
		1578	req->uint1 = flags;
		1579	REQ_SEND;
		1580	}
		1581
		1582	void
		1583	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1584	CODE:
		1585	{
		1586	dREQ (REQ_C_GET);
		1587	req->dbc = dbc;
		1588	req->uint1 = flags;
		1589	if ((flags & DB_SET) == DB_SET
		1590	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1591	sv_to_dbt (&req->dbt1, key);
		1592	else
		1593	req->dbt1.flags = DB_DBT_MALLOC;
		1594
		1595	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1596
		1597	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1598	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1599	sv_to_dbt (&req->dbt3, data);
		1600	else
		1601	req->dbt3.flags = DB_DBT_MALLOC;
		1602
		1603	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1604	REQ_SEND;
		1605	}
		1606
		1607	void
		1608	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1609	CODE:
		1610	{
		1611	dREQ (REQ_C_PGET);
		1612	req->dbc = dbc;
		1613	req->uint1 = flags;
		1614	if ((flags & DB_SET) == DB_SET
		1615	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1616	sv_to_dbt (&req->dbt1, key);
		1617	else
		1618	req->dbt1.flags = DB_DBT_MALLOC;
		1619
		1620	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1621
		1622	req->dbt2.flags = DB_DBT_MALLOC;
		1623	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1624
		1625	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1626	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1627	sv_to_dbt (&req->dbt3, data);
		1628	else
		1629	req->dbt3.flags = DB_DBT_MALLOC;
		1630
		1631	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1632	REQ_SEND;
		1633	}
		1634
		1635	void
		1636	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1637	CODE:
		1638	{
		1639	dREQ (REQ_C_DEL);
		1640	req->dbc = dbc;
		1641	req->uint1 = flags;
		1642	REQ_SEND;
		1643	}
		1644
		1645
		1646	void
		1647	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1648	CODE:
		1649	{
		1650	dREQ (REQ_SEQ_OPEN);
		1651	req->seq = seq;
		1652	req->txn = txnid;
		1653	req->uint1 = flags | DB_THREAD;
		1654	sv_to_dbt (&req->dbt1, key);
		1655	REQ_SEND;
		1656	}
		1657
		1658	void
		1659	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1660	CODE:
		1661	{
		1662	dREQ (REQ_SEQ_CLOSE);
		1663	req->seq = seq;
		1664	req->uint1 = flags;
		1665	REQ_SEND;
		1666	ptr_nuke (ST (0));
		1667	}
		1668
		1669	void
		1670	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)
		1671	CODE:
		1672	{
		1673	dREQ (REQ_SEQ_GET);
		1674	req->seq = seq;
		1675	req->txn = txnid;
		1676	req->int1 = delta;
		1677	req->uint1 = flags;
		1678	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1679	REQ_SEND;
		1680	}
		1681
		1682	void
		1683	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1684	CODE:
		1685	{
		1686	dREQ (REQ_SEQ_REMOVE);
		1687	req->seq = seq;
		1688	req->txn = txnid;
		1689	req->uint1 = flags;
		1690	REQ_SEND;
		1691	}
		1692
1203		1693
1204	MODULE = BDB PACKAGE = BDB::Env	1694	MODULE = BDB PACKAGE = BDB::Env
1205		1695
1206	void	1696	void
1207	DESTROY (DB_ENV_ornull *env)	1697	DESTROY (DB_ENV_ornull *env)
1208	CODE:	1698	CODE:
1209	if (env)	1699	if (env)
1210	env->close (env, 0);	1700	env->close (env, 0);
1211		1701
		1702	int set_data_dir (DB_ENV *env, const char *dir)
		1703	CODE:
		1704	RETVAL = env->set_data_dir (env, dir);
		1705	OUTPUT:
		1706	RETVAL
		1707
		1708	int set_tmp_dir (DB_ENV *env, const char *dir)
		1709	CODE:
		1710	RETVAL = env->set_tmp_dir (env, dir);
		1711	OUTPUT:
		1712	RETVAL
		1713
		1714	int set_lg_dir (DB_ENV *env, const char *dir)
		1715	CODE:
		1716	RETVAL = env->set_lg_dir (env, dir);
		1717	OUTPUT:
		1718	RETVAL
		1719
		1720	int set_shm_key (DB_ENV *env, long shm_key)
		1721	CODE:
		1722	RETVAL = env->set_shm_key (env, shm_key);
		1723	OUTPUT:
		1724	RETVAL
		1725
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1726	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	1727	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1728	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	1729	OUTPUT:
1216	RETVAL	1730	RETVAL
…		…
1219	CODE:	1733	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	1734	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	1735	OUTPUT:
1222	RETVAL	1736	RETVAL
1223		1737
		1738	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1739	CODE:
		1740	env->set_errfile (env, errfile);
		1741
		1742	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1743	CODE:
		1744	env->set_msgfile (env, msgfile);
		1745
		1746	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1747	CODE:
		1748	RETVAL = env->set_verbose (env, which, onoff);
		1749	OUTPUT:
		1750	RETVAL
		1751
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1752	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	1753	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	1754	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	1755	OUTPUT:
1228	RETVAL	1756	RETVAL
1229		1757
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1758	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	1759	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1760	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1761	OUTPUT:
		1762	RETVAL
		1763
		1764	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1765	CODE:
		1766	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1767	OUTPUT:
		1768	RETVAL
		1769
		1770	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1771	CODE:
		1772	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1773	OUTPUT:
		1774	RETVAL
		1775
		1776	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1777	CODE:
		1778	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1779	OUTPUT:
		1780	RETVAL
		1781
		1782	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1783	CODE:
		1784	RETVAL = env->set_lk_detect (env, detect);
		1785	OUTPUT:
		1786	RETVAL
		1787
		1788	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1789	CODE:
		1790	RETVAL = env->set_lk_max_lockers (env, max);
		1791	OUTPUT:
		1792	RETVAL
		1793
		1794	int set_lk_max_locks (DB_ENV *env, U32 max)
		1795	CODE:
		1796	RETVAL = env->set_lk_max_locks (env, max);
		1797	OUTPUT:
		1798	RETVAL
		1799
		1800	int set_lk_max_objects (DB_ENV *env, U32 max)
		1801	CODE:
		1802	RETVAL = env->set_lk_max_objects (env, max);
		1803	OUTPUT:
		1804	RETVAL
		1805
		1806	int set_lg_bsize (DB_ENV *env, U32 max)
		1807	CODE:
		1808	RETVAL = env->set_lg_bsize (env, max);
		1809	OUTPUT:
		1810	RETVAL
		1811
		1812	int set_lg_max (DB_ENV *env, U32 max)
		1813	CODE:
		1814	RETVAL = env->set_lg_max (env, max);
1233	OUTPUT:	1815	OUTPUT:
1234	RETVAL	1816	RETVAL
1235		1817
1236	DB_TXN *	1818	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1819	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	1820	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	1821	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	1822	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	1823	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	1824	OUTPUT:
1243	RETVAL	1825	RETVAL
1244		1826
1245	MODULE = BDB PACKAGE = BDB::Db	1827	MODULE = BDB PACKAGE = BDB::Db
1246		1828
…		…
1258	CODE:	1840	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1841	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	1842	OUTPUT:
1261	RETVAL	1843	RETVAL
1262		1844
1263	int set_flags (DB *db, U32 flags);	1845	int set_flags (DB *db, U32 flags)
1264	CODE:	1846	CODE:
1265	RETVAL = db->set_flags (db, flags);	1847	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	1848	OUTPUT:
1267	RETVAL	1849	RETVAL
1268		1850
…		…
1276	CODE:	1858	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	1859	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	1860	OUTPUT:
1279	RETVAL	1861	RETVAL
1280		1862
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	1863	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	1864	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	1865	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	1866	OUTPUT:
1286	RETVAL	1867	RETVAL
1287		1868
1288	int set_re_delim(DB *db, int delim);	1869	int set_re_delim (DB *db, int delim)
1289	CODE:	1870	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	1871	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	1872	OUTPUT:
1292	RETVAL	1873	RETVAL
1293		1874
…		…
1324	int set_q_extentsize (DB *db, U32 extentsize)	1905	int set_q_extentsize (DB *db, U32 extentsize)
1325	CODE:	1906	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	1907	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	1908	OUTPUT:
1328	RETVAL	1909	RETVAL
		1910
		1911	DBC *
		1912	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1913	CODE:
		1914	errno = db->cursor (db, txn, &RETVAL, flags);
		1915	if (errno)
		1916	croak ("DB->cursor: %s", db_strerror (errno));
		1917	OUTPUT:
		1918	RETVAL
		1919
		1920	DB_SEQUENCE *
		1921	sequence (DB *db, U32 flags = 0)
		1922	CODE:
		1923	{
		1924	errno = db_sequence_create (&RETVAL, db, flags);
		1925	if (errno)
		1926	croak ("db_sequence_create: %s", db_strerror (errno));
		1927	}
		1928	OUTPUT:
		1929	RETVAL
		1930
1329		1931
1330	MODULE = BDB PACKAGE = BDB::Txn	1932	MODULE = BDB PACKAGE = BDB::Txn
1331		1933
1332	void	1934	void
1333	DESTROY (DB_TXN_ornull *txn)	1935	DESTROY (DB_TXN_ornull *txn)
1334	CODE:	1936	CODE:
1335	if (txn)	1937	if (txn)
1336	txn->abort (txn);	1938	txn->abort (txn);
1337		1939
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	1940	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	1941	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	1942	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	1943	OUTPUT:
1342	RETVAL	1944	RETVAL
1343		1945
		1946	int failed (DB_TXN *txn)
		1947	CODE:
		1948	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1949	OUTPUT:
		1950	RETVAL
1344		1951
		1952
		1953	MODULE = BDB PACKAGE = BDB::Cursor
		1954
		1955	void
		1956	DESTROY (DBC_ornull *dbc)
		1957	CODE:
		1958	if (dbc)
		1959	dbc->c_close (dbc);
		1960
		1961	MODULE = BDB PACKAGE = BDB::Sequence
		1962
		1963	void
		1964	DESTROY (DB_SEQUENCE_ornull *seq)
		1965	CODE:
		1966	if (seq)
		1967	seq->close (seq, 0);
		1968
		1969	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1970	CODE:
		1971	RETVAL = seq->initial_value (seq, value);
		1972	OUTPUT:
		1973	RETVAL
		1974
		1975	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1976	CODE:
		1977	RETVAL = seq->set_cachesize (seq, size);
		1978	OUTPUT:
		1979	RETVAL
		1980
		1981	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1982	CODE:
		1983	RETVAL = seq->set_flags (seq, flags);
		1984	OUTPUT:
		1985	RETVAL
		1986
		1987	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1988	CODE:
		1989	RETVAL = seq->set_range (seq, min, max);
		1990	OUTPUT:
		1991	RETVAL
		1992

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