ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/BDB/BDB.xs

Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.19 by root, Mon Sep 24 18:14:11 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.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44		44
45	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	46	typedef char *octetstring;
47		47
48	static SV *prepare_cb;	48	static SV *prepare_cb;
49		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
50	static inline char *	72	static char *
51	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
52	{	74	{
53	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
54	}	76	}
55		77
		78	static void
		79	sv_to_dbt (DBT *dbt, SV *sv)
		80	{
		81	STRLEN len;
		82	char *data = SvPVbyte (sv, len);
		83
		84	dbt->data = malloc (len);
		85	memcpy (dbt->data, data, len);
		86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
		88	}
		89
		90	static void
		91	dbt_to_sv (SV *sv, DBT *dbt)
		92	{
		93	if (sv)
		94	{
		95	SvREADONLY_off (sv);
		96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
		99
		100	free (dbt->data);
		101	}
		102
56	enum {	103	enum {
57	REQ_QUIT,	104	REQ_QUIT,
58	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,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	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,
		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,
60	};	112	};
61		113
62	typedef struct aio_cb	114	typedef struct aio_cb
63	{	115	{
64	struct aio_cb *volatile next;	116	struct aio_cb *volatile next;
…		…
66	int type, pri, result;	118	int type, pri, result;
67		119
68	DB_ENV *env;	120	DB_ENV *env;
69	DB *db;	121	DB *db;
70	DB_TXN *txn;	122	DB_TXN *txn;
71	DBC *cursor;	123	DBC *dbc;
		124
		125	UV uv1;
72	int int1, int2;	126	int int1, int2;
73	U32 uint1, uint2;	127	U32 uint1, uint2;
74	char *buf1, *buf2;	128	char *buf1, *buf2;
		129	SV *sv1, *sv2, *sv3;
75		130
76	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;
77	} aio_cb;	135	} aio_cb;
78		136
79	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
80		138
81	enum {	139	enum {
…		…
101		159
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		161
104	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
105		163
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	164	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
117		166
118	typedef struct worker {	167	typedef struct worker {
119	/* locked by wrklock */	168	/* locked by wrklock */
120	struct worker *prev, *next;	169	struct worker *prev, *next;
121		170
122	pthread_t tid;	171	thread_t tid;
123		172
124	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
126	void *dbuf;	175	void *dbuf;
127	DIR *dirp;	176	DIR *dirp;
…		…
142	}	191	}
143		192
144	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		197
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
152		201
153	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
154		203
155	static unsigned int get_nready ()	204	static unsigned int get_nready ()
156	{	205	{
157	unsigned int retval;	206	unsigned int retval;
158		207
159	LOCK (reqlock);	208	X_LOCK (reqlock);
160	retval = nready;	209	retval = nready;
161	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
162		211
163	return retval;	212	return retval;
164	}	213	}
165		214
166	static unsigned int get_npending ()	215	static unsigned int get_npending ()
167	{	216	{
168	unsigned int retval;	217	unsigned int retval;
169		218
170	LOCK (reslock);	219	X_LOCK (reslock);
171	retval = npending;	220	retval = npending;
172	UNLOCK (reslock);	221	X_UNLOCK (reslock);
173		222
174	return retval;	223	return retval;
175	}	224	}
176		225
177	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
178	{	227	{
179	unsigned int retval;	228	unsigned int retval;
180		229
181	LOCK (wrklock);	230	X_LOCK (wrklock);
182	retval = started;	231	retval = started;
183	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
184		233
185	return retval;	234	return retval;
186	}	235	}
187		236
188	#else	237	#else
…		…
258	if (SvOK (req->callback))	307	if (SvOK (req->callback))
259	{	308	{
260	ENTER;	309	ENTER;
261	SAVETMPS;	310	SAVETMPS;
262	PUSHMARK (SP);	311	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		312
265	switch (req->type)	313	switch (req->type)
266	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
		319	case REQ_DB_GET:
		320	case REQ_DB_PGET:
		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));
		341	SvREFCNT_dec (req->sv1);
		342	}
		343	break;
		344
		345	case REQ_SEQ_GET:
		346	SvREADONLY_off (req->sv1);
		347
		348	if (sizeof (IV) > 4)
		349	sv_setiv_mg (req->sv1, req->seq_t);
		350	else
		351	sv_setnv_mg (req->sv1, req->seq_t);
		352
		353	SvREFCNT_dec (req->sv1);
		354	break;
267	}	355	}
268		356
269	errno = req->result;	357	errno = req->result;
270		358
271	PUTBACK;	359	PUTBACK;
…		…
284	free (req->buf1);	372	free (req->buf1);
285	free (req->buf2);	373	free (req->buf2);
286	Safefree (req);	374	Safefree (req);
287	}	375	}
288		376
289	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	int old_readfd = respipe [0];
		387
		388	if (respipe [1] >= 0)
		389	respipe_close (TO_SOCKET (respipe [1]));
		390
		391	#ifdef _WIN32
		392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		393	#else
		394	if (pipe (respipe))
		395	#endif
		396	croak ("unable to initialize result pipe");
		397
		398	if (old_readfd >= 0)
		399	{
		400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		401	croak ("unable to initialize result pipe(2)");
		402
		403	respipe_close (respipe [0]);
		404	respipe [0] = old_readfd;
		405	}
		406
		407	#ifdef _WIN32
		408	int arg = 1;
		409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		411	#else
		412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		414	#endif
		415	croak ("unable to initialize result pipe(3)");
		416
		417	respipe_osf [0] = TO_SOCKET (respipe [0]);
		418	respipe_osf [1] = TO_SOCKET (respipe [1]);
		419	}
		420
		421	X_THREAD_PROC (bdb_proc);
290		422
291	static void start_thread (void)	423	static void start_thread (void)
292	{	424	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	425	worker *wrk = calloc (1, sizeof (worker));
297		426
298	if (!wrk)	427	if (!wrk)
299	croak ("unable to allocate worker thread data");	428	croak ("unable to allocate worker thread data");
300		429
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	430	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	431	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	432	{
314	wrk->prev = &wrk_first;	433	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	434	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	435	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	436	wrk_first.next = wrk;
318	++started;	437	++started;
319	}	438	}
320	else	439	else
321	free (wrk);	440	free (wrk);
322		441
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	442	X_UNLOCK (wrklock);
325	}	443	}
326		444
327	static void maybe_start_thread ()	445	static void maybe_start_thread ()
328	{	446	{
329	if (get_nthreads () >= wanted)	447	if (get_nthreads () >= wanted)
…		…
341	SV *wait_callback = 0;	459	SV *wait_callback = 0;
342		460
343	// synthesize callback if none given	461	// synthesize callback if none given
344	if (!SvOK (req->callback))	462	if (!SvOK (req->callback))
345	{	463	{
		464	int count;
		465
346	dSP;	466	dSP;
347	PUSHMARK (SP);	467	PUSHMARK (SP);
348	PUTBACK;	468	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	469	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	470	SPAGAIN;
351		471
352	if (count != 2)	472	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	473	croak ("prepare callback must return exactly two values\n");
354		474
…		…
357	req->callback = SvREFCNT_inc (POPs);	477	req->callback = SvREFCNT_inc (POPs);
358	}	478	}
359		479
360	++nreqs;	480	++nreqs;
361		481
362	LOCK (reqlock);	482	X_LOCK (reqlock);
363	++nready;	483	++nready;
364	reqq_push (&req_queue, req);	484	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	485	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	486	X_UNLOCK (reqlock);
367		487
368	maybe_start_thread ();	488	maybe_start_thread ();
369		489
370	if (wait_callback)	490	if (wait_callback)
371	{	491	{
…		…
384	Newz (0, req, 1, aio_cb);	504	Newz (0, req, 1, aio_cb);
385		505
386	req->type = REQ_QUIT;	506	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	507	req->pri = PRI_MAX + PRI_BIAS;
388		508
389	LOCK (reqlock);	509	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	510	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	511	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	512	X_UNLOCK (reqlock);
393		513
394	LOCK (wrklock);	514	X_LOCK (wrklock);
395	--started;	515	--started;
396	UNLOCK (wrklock);	516	X_UNLOCK (wrklock);
397	}	517	}
398		518
399	static void set_max_idle (int nthreads)	519	static void set_max_idle (int nthreads)
400	{	520	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	521	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	522	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	523	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	524	}
405		525
406	static void min_parallel (int nthreads)	526	static void min_parallel (int nthreads)
407	{	527	{
408	if (wanted < nthreads)	528	if (wanted < nthreads)
…		…
423	fd_set rfd;	543	fd_set rfd;
424		544
425	while (nreqs)	545	while (nreqs)
426	{	546	{
427	int size;	547	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	548	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	549	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	550	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		551
432	if (size)	552	if (size)
433	return;	553	return;
434		554
435	maybe_start_thread ();	555	maybe_start_thread ();
436		556
437	FD_ZERO(&rfd);	557	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	558	FD_SET (respipe [0], &rfd);
439		559
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	560	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	561	}
442	}	562	}
443		563
444	static int poll_cb ()	564	static int poll_cb ()
445	{	565	{
…		…
457	{	577	{
458	for (;;)	578	for (;;)
459	{	579	{
460	maybe_start_thread ();	580	maybe_start_thread ();
461		581
462	LOCK (reslock);	582	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	583	req = reqq_shift (&res_queue);
464		584
465	if (req)	585	if (req)
466	{	586	{
467	--npending;	587	--npending;
468		588
469	if (!res_queue.size)	589	if (!res_queue.size)
470	{	590	{
471	/* read any signals sent by the worker threads */	591	/* read any signals sent by the worker threads */
472	char buf [4];	592	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	593	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	594	;
475	}	595	}
476	}	596	}
477		597
478	UNLOCK (reslock);	598	X_UNLOCK (reslock);
479		599
480	if (!req)	600	if (!req)
481	break;	601	break;
482		602
483	--nreqs;	603	--nreqs;
…		…
513	}	633	}
514		634
515	return count;	635	return count;
516	}	636	}
517		637
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	638	/*****************************************************************************/
531		639
532	static void *aio_proc (void *thr_arg)	640	X_THREAD_PROC (bdb_proc)
533	{	641	{
534	aio_req req;	642	aio_req req;
535	struct timespec ts;	643	struct timespec ts;
536	worker *self = (worker *)thr_arg;	644	worker *self = (worker *)thr_arg;
537		645
538	/* try to distribute timeouts somewhat evenly */	646	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	647	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		648
542	for (;;)	649	for (;;)
543	{	650	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	651	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		652
546	LOCK (reqlock);	653	X_LOCK (reqlock);
547		654
548	for (;;)	655	for (;;)
549	{	656	{
550	self->req = req = reqq_shift (&req_queue);	657	self->req = req = reqq_shift (&req_queue);
551		658
552	if (req)	659	if (req)
553	break;	660	break;
554		661
555	++idle;	662	++idle;
556		663
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	664	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	665	== ETIMEDOUT)
559	{	666	{
560	if (idle > max_idle)	667	if (idle > max_idle)
561	{	668	{
562	--idle;	669	--idle;
563	UNLOCK (reqlock);	670	X_UNLOCK (reqlock);
564	LOCK (wrklock);	671	X_LOCK (wrklock);
565	--started;	672	--started;
566	UNLOCK (wrklock);	673	X_UNLOCK (wrklock);
567	goto quit;	674	goto quit;
568	}	675	}
569		676
570	/* we are allowed to idle, so do so without any timeout */	677	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	678	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	679	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	680	}
574		681
575	--idle;	682	--idle;
576	}	683	}
577		684
578	--nready;	685	--nready;
579		686
580	UNLOCK (reqlock);	687	X_UNLOCK (reqlock);
581		688
582	switch (req->type)	689	switch (req->type)
583	{	690	{
584	case REQ_QUIT:	691	case REQ_QUIT:
		692	req->result = ENOSYS;
585	goto quit;	693	goto quit;
586		694
587	case REQ_ENV_OPEN:	695	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	696	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	697	break;
590		698
591	case REQ_ENV_CLOSE:	699	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	700	req->result = req->env->close (req->env, req->uint1);
593	break;	701	break;
594		702
		703	case REQ_ENV_TXN_CHECKPOINT:
		704	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		705	break;
		706
		707	case REQ_ENV_LOCK_DETECT:
		708	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		709	break;
		710
		711	case REQ_ENV_MEMP_SYNC:
		712	req->result = req->env->memp_sync (req->env, 0);
		713	break;
		714
		715	case REQ_ENV_MEMP_TRICKLE:
		716	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		717	break;
		718
595	case REQ_DB_OPEN:	719	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	720	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	721	break;
598		722
599	case REQ_DB_CLOSE:	723	case REQ_DB_CLOSE:
…		…
610		734
611	case REQ_DB_PUT:	735	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	736	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	737	break;
614		738
		739	case REQ_DB_GET:
		740	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		741	break;
		742
		743	case REQ_DB_PGET:
		744	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		745	break;
		746
		747	case REQ_DB_DEL:
		748	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		749	break;
		750
		751	case REQ_DB_KEY_RANGE:
		752	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		753	break;
		754
		755	case REQ_TXN_COMMIT:
		756	req->result = req->txn->commit (req->txn, req->uint1);
		757	break;
		758
		759	case REQ_TXN_ABORT:
		760	req->result = req->txn->abort (req->txn);
		761	break;
		762
		763	case REQ_TXN_FINISH:
		764	if (req->txn->flags & TXN_DEADLOCK)
		765	{
		766	req->result = req->txn->abort (req->txn);
		767	if (!req->result)
		768	req->result = DB_LOCK_DEADLOCK;
		769	}
		770	else
		771	req->result = req->txn->commit (req->txn, req->uint1);
		772	break;
		773
		774	case REQ_C_CLOSE:
		775	req->result = req->dbc->c_close (req->dbc);
		776	break;
		777
		778	case REQ_C_COUNT:
		779	{
		780	db_recno_t recno;
		781	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		782	req->uv1 = recno;
		783	}
		784	break;
		785
		786	case REQ_C_PUT:
		787	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		788	break;
		789
		790	case REQ_C_GET:
		791	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_C_PGET:
		795	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		796	break;
		797
		798	case REQ_C_DEL:
		799	req->result = req->dbc->c_del (req->dbc, req->uint1);
		800	break;
		801
		802	case REQ_SEQ_OPEN:
		803	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		804	break;
		805
		806	case REQ_SEQ_CLOSE:
		807	req->result = req->seq->close (req->seq, req->uint1);
		808	break;
		809
		810	case REQ_SEQ_GET:
		811	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		812	break;
		813
		814	case REQ_SEQ_REMOVE:
		815	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		816	break;
		817
615	default:	818	default:
616	req->result = ENOSYS;	819	req->result = ENOSYS;
617	break;	820	break;
618	}	821	}
619		822
		823	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		824	req->txn->flags |= TXN_DEADLOCK;
		825
620	LOCK (reslock);	826	X_LOCK (reslock);
621		827
622	++npending;	828	++npending;
623		829
624	if (!reqq_push (&res_queue, req))	830	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	831	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	832	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		833
628	self->req = 0;	834	self->req = 0;
629	worker_clear (self);	835	worker_clear (self);
630		836
631	UNLOCK (reslock);	837	X_UNLOCK (reslock);
632	}	838	}
633		839
634	quit:	840	quit:
635	LOCK (wrklock);	841	X_LOCK (wrklock);
636	worker_free (self);	842	worker_free (self);
637	UNLOCK (wrklock);	843	X_UNLOCK (wrklock);
638		844
639	return 0;	845	return 0;
640	}	846	}
641		847
642	/*****************************************************************************/	848	/*****************************************************************************/
643		849
644	static void atfork_prepare (void)	850	static void atfork_prepare (void)
645	{	851	{
646	LOCK (wrklock);	852	X_LOCK (wrklock);
647	LOCK (reqlock);	853	X_LOCK (reqlock);
648	LOCK (reslock);	854	X_LOCK (reslock);
649	}	855	}
650		856
651	static void atfork_parent (void)	857	static void atfork_parent (void)
652	{	858	{
653	UNLOCK (reslock);	859	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	860	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	861	X_UNLOCK (wrklock);
656	}	862	}
657		863
658	static void atfork_child (void)	864	static void atfork_child (void)
659	{	865	{
660	aio_req prv;	866	aio_req prv;
…		…
680	idle = 0;	886	idle = 0;
681	nreqs = 0;	887	nreqs = 0;
682	nready = 0;	888	nready = 0;
683	npending = 0;	889	npending = 0;
684		890
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	891	create_respipe ();
688		892
689	atfork_parent ();	893	atfork_parent ();
690	}	894	}
691		895
692	#define dREQ(reqtype) \	896	#define dREQ(reqtype) \
…		…
706	req->pri = req_pri	910	req->pri = req_pri
707		911
708	#define REQ_SEND \	912	#define REQ_SEND \
709	req_send (req)	913	req_send (req)
710		914
711	#define SvPTR(var, arg, type, class) \	915	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	916	if (!SvOK (arg)) \
		917	{ \
		918	if (!nullok) \
		919	croak (# var " must be a " # class " object, not undef"); \
		920	\
713	(var) = 0; \	921	(var) = 0; \
		922	} \
714	else if (sv_derived_from ((arg), # class)) \	923	else if (sv_derived_from ((arg), # class)) \
715	{ \	924	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	925	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	926	(var) = INT2PTR (type, tmp); \
		927	if (!var) \
		928	croak (# var " is not a valid " # class " object anymore"); \
718	} \	929	} \
719	else \	930	else \
720	Perl_croak (# var " is not of type " # class)	931	croak (# var " is not of type " # class); \
		932	\
721		933
722	inline void	934	static void
723	set_dbt (DBT *dbt, SV *sv)	935	ptr_nuke (SV *sv)
724	{	936	{
725	STRLEN len;	937	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	938	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	939	}
732		940
733	MODULE = BDB PACKAGE = BDB	941	MODULE = BDB PACKAGE = BDB
734		942
735	PROTOTYPES: ENABLE	943	PROTOTYPES: ENABLE
736		944
737	BOOT:	945	BOOT:
…		…
767	const_iv (DSYNC_DB)	975	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	976	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	977	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	978	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	979	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	980	const_iv (NOMMAP)
774	const_iv (NOPANIC)	981	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	982	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	983	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	984	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	985	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	986	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)
781	const_iv (TXN_WRITE_NOSYNC)	987	const_iv (TXN_WRITE_NOSYNC)
		988	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	989	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	990	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	991	const_iv (XA_CREATE)
785	const_iv (BTREE)	992	const_iv (BTREE)
786	const_iv (HASH)	993	const_iv (HASH)
…		…
801	const_iv (RENUMBER)	1008	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1009	const_iv (REVSPLITOFF)
803	const_iv (INORDER)	1010	const_iv (INORDER)
804	const_iv (CONSUME)	1011	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1012	const_iv (CONSUME_WAIT)
		1013	const_iv (GET_BOTH)
		1014	const_iv (GET_BOTH_RANGE)
		1015	//const_iv (SET_RECNO)
		1016	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1017	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1018	const_iv (JOIN_ITEM)
808	const_iv (RMW)	1019	const_iv (RMW)
809		1020
810	const_iv (NOTFOUND)	1021	const_iv (NOTFOUND)
…		…
813	const_iv (LOCK_NOTGRANTED)	1024	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1025	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1026	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1027	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1028	const_iv (REP_LOCKOUT)
		1029	const_iv (SECONDARY_BAD)
818		1030
819	const_iv (FREE_SPACE)	1031	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)	1032	const_iv (FREELIST_ONLY)
821		1033
822	const_iv (APPEND)	1034	const_iv (APPEND)
823	const_iv (NODUPDATA)	1035	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1036	const_iv (NOOVERWRITE)
825		1037
826	const_iv (TXN_NOWAIT)	1038	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1039	const_iv (TXN_SYNC)
829		1040
830	const_iv (SET_LOCK_TIMEOUT)	1041	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1042	const_iv (SET_TXN_TIMEOUT)
		1043
		1044	const_iv (JOIN_ITEM)
		1045	const_iv (FIRST)
		1046	const_iv (NEXT)
		1047	const_iv (NEXT_DUP)
		1048	const_iv (NEXT_NODUP)
		1049	const_iv (PREV)
		1050	const_iv (PREV_NODUP)
		1051	const_iv (SET)
		1052	const_iv (SET_RANGE)
		1053	const_iv (LAST)
		1054	const_iv (BEFORE)
		1055	const_iv (AFTER)
		1056	const_iv (CURRENT)
		1057	const_iv (KEYFIRST)
		1058	const_iv (KEYLAST)
		1059	const_iv (NODUPDATA)
		1060
		1061	const_iv (FORCE)
		1062
		1063	const_iv (LOCK_DEFAULT)
		1064	const_iv (LOCK_EXPIRE)
		1065	const_iv (LOCK_MAXLOCKS)
		1066	const_iv (LOCK_MAXWRITE)
		1067	const_iv (LOCK_MINLOCKS)
		1068	const_iv (LOCK_MINWRITE)
		1069	const_iv (LOCK_OLDEST)
		1070	const_iv (LOCK_RANDOM)
		1071	const_iv (LOCK_YOUNGEST)
		1072
		1073	const_iv (SEQ_DEC)
		1074	const_iv (SEQ_INC)
		1075	const_iv (SEQ_WRAP)
		1076
		1077	const_iv (BUFFER_SMALL)
		1078	const_iv (DONOTINDEX)
		1079	const_iv (KEYEMPTY )
		1080	const_iv (KEYEXIST )
		1081	const_iv (LOCK_DEADLOCK)
		1082	const_iv (LOCK_NOTGRANTED)
		1083	const_iv (LOG_BUFFER_FULL)
		1084	const_iv (NOSERVER)
		1085	const_iv (NOSERVER_HOME)
		1086	const_iv (NOSERVER_ID)
		1087	const_iv (NOTFOUND)
		1088	const_iv (OLD_VERSION)
		1089	const_iv (PAGE_NOTFOUND)
		1090	const_iv (REP_DUPMASTER)
		1091	const_iv (REP_HANDLE_DEAD)
		1092	const_iv (REP_HOLDELECTION)
		1093	const_iv (REP_IGNORE)
		1094	const_iv (REP_ISPERM)
		1095	const_iv (REP_JOIN_FAILURE)
		1096	const_iv (REP_LOCKOUT)
		1097	const_iv (REP_NEWMASTER)
		1098	const_iv (REP_NEWSITE)
		1099	const_iv (REP_NOTPERM)
		1100	const_iv (REP_UNAVAIL)
		1101	const_iv (RUNRECOVERY)
		1102	const_iv (SECONDARY_BAD)
		1103	const_iv (VERIFY_BAD)
		1104	const_iv (VERSION_MISMATCH)
		1105
		1106	const_iv (VERB_DEADLOCK)
		1107	const_iv (VERB_RECOVERY)
		1108	const_iv (VERB_REGISTER)
		1109	const_iv (VERB_REPLICATION)
		1110	const_iv (VERB_WAITSFOR)
		1111
		1112	const_iv (VERSION_MAJOR)
		1113	const_iv (VERSION_MINOR)
		1114	const_iv (VERSION_PATCH)
		1115	#if DB_VERSION_MINOR >= 5
		1116	const_iv (MULTIVERSION)
		1117	const_iv (TXN_SNAPSHOT)
		1118	#endif
		1119	#if DB_VERSION_MINOR >= 6
		1120	const_iv (PREV_DUP)
		1121	# if 0
		1122	const_iv (PRIORITY_UNCHANGED)
		1123	const_iv (PRIORITY_VERY_LOW)
		1124	const_iv (PRIORITY_LOW)
		1125	const_iv (PRIORITY_DEFAULT)
		1126	const_iv (PRIORITY_HIGH)
		1127	const_iv (PRIORITY_VERY_HIGH)
		1128	# endif
		1129	#endif
832	};	1130	};
833		1131
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1132	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1133	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1134
837	create_pipe ();	1135	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1136	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1137
		1138	create_respipe ();
		1139
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1140	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1141	#ifdef _WIN32
		1142	X_MUTEX_CHECK (wrklock);
		1143	X_MUTEX_CHECK (reslock);
		1144	X_MUTEX_CHECK (reqlock);
		1145
		1146	X_COND_CHECK (reqwait);
		1147	#endif
839	}	1148	}
840		1149
841	void	1150	void
842	max_poll_reqs (int nreqs)	1151	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1152	PROTOTYPE: $
…		…
962		1271
963	int	1272	int
964	nthreads ()	1273	nthreads ()
965	PROTOTYPE:	1274	PROTOTYPE:
966	CODE:	1275	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1276	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1277	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1278	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1279	OUTPUT:
971	RETVAL	1280	RETVAL
972		1281
973	void	1282	void
974	set_sync_prepare (SV *cb)	1283	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1284	PROTOTYPE: &
976	CODE:	1285	CODE:
977	SvREFCNT_dec (prepare_cb);	1286	SvREFCNT_dec (prepare_cb);
978	prepare_cb = newSVsv (cb);	1287	prepare_cb = newSVsv (cb);
		1288
		1289	char *
		1290	strerror (int errorno = errno)
		1291	PROTOTYPE: ;$
		1292	CODE:
		1293	RETVAL = db_strerror (errorno);
		1294	OUTPUT:
		1295	RETVAL
979		1296
980	DB_ENV *	1297	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1298	db_env_create (U32 env_flags = 0)
982	CODE:	1299	CODE:
983	{	1300	{
984	errno = db_env_create (&RETVAL, env_flags);	1301	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1302	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1303	croak ("db_env_create: %s", db_strerror (errno));
		1304
		1305	if (0)
		1306	{
		1307	RETVAL->set_errcall (RETVAL, debug_errcall);
		1308	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1309	}
987	}	1310	}
988	OUTPUT:	1311	OUTPUT:
989	RETVAL	1312	RETVAL
990		1313
991	void	1314	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1315	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
993	CODE:	1316	CODE:
994	{	1317	{
995	dREQ (REQ_ENV_OPEN);	1318	dREQ (REQ_ENV_OPEN);
		1319
		1320	env->set_thread_count (env, wanted + 2);
		1321
996	req->env = env;	1322	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1323	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1324	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1325	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1326	REQ_SEND;
…		…
1006	{	1332	{
1007	dREQ (REQ_ENV_CLOSE);	1333	dREQ (REQ_ENV_CLOSE);
1008	req->env = env;	1334	req->env = env;
1009	req->uint1 = flags;	1335	req->uint1 = flags;
1010	REQ_SEND;	1336	REQ_SEND;
		1337	ptr_nuke (ST (0));
1011	}	1338	}
		1339
		1340	void
		1341	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1342	CODE:
		1343	{
		1344	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1345	req->env = env;
		1346	req->uint1 = kbyte;
		1347	req->int1 = min;
		1348	req->uint2 = flags;
		1349	REQ_SEND;
		1350	}
		1351
		1352	void
		1353	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1354	CODE:
		1355	{
		1356	dREQ (REQ_ENV_LOCK_DETECT);
		1357	req->env = env;
		1358	req->uint1 = flags;
		1359	req->uint2 = atype;
		1360	REQ_SEND;
		1361	}
		1362
		1363	void
		1364	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1365	CODE:
		1366	{
		1367	dREQ (REQ_ENV_MEMP_SYNC);
		1368	req->env = env;
		1369	REQ_SEND;
		1370	}
		1371
		1372	void
		1373	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1374	CODE:
		1375	{
		1376	dREQ (REQ_ENV_MEMP_TRICKLE);
		1377	req->env = env;
		1378	req->int1 = percent;
		1379	REQ_SEND;
		1380	}
		1381
1012		1382
1013	DB *	1383	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1384	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1385	CODE:
1016	{	1386	{
1017	errno = db_create (&RETVAL, env, flags);	1387	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1388	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1389	croak ("db_create: %s", db_strerror (errno));
		1390
		1391	if (RETVAL)
		1392	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1393	}
1021	OUTPUT:	1394	OUTPUT:
1022	RETVAL	1395	RETVAL
1023		1396
1024	void	1397	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1398	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1026	CODE:	1399	CODE:
1027	{	1400	{
1028	dREQ (REQ_DB_OPEN);	1401	dREQ (REQ_DB_OPEN);
1029	req->db = db;	1402	req->db = db;
1030	req->txn = txnid;	1403	req->txn = txnid;
…		…
1041	CODE:	1414	CODE:
1042	{	1415	{
1043	dREQ (REQ_DB_CLOSE);	1416	dREQ (REQ_DB_CLOSE);
1044	req->db = db;	1417	req->db = db;
1045	req->uint1 = flags;	1418	req->uint1 = flags;
		1419	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1420	REQ_SEND;
		1421	ptr_nuke (ST (0));
1047	}	1422	}
1048		1423
1049	void	1424	void
1050	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1425	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)
1051	CODE:	1426	CODE:
1052	{	1427	{
1053	dREQ (REQ_DB_COMPACT);	1428	dREQ (REQ_DB_COMPACT);
1054	req->db = db;	1429	req->db = db;
1055	req->txn = txn;	1430	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1431	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1432	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1433	req->uint1 = flags;
1059	REQ_SEND;	1434	REQ_SEND;
1060	}	1435	}
1061		1436
1062	void	1437	void
…		…
1068	req->uint1 = flags;	1443	req->uint1 = flags;
1069	REQ_SEND;	1444	REQ_SEND;
1070	}	1445	}
1071		1446
1072	void	1447	void
		1448	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1449	CODE:
		1450	{
		1451	dREQ (REQ_DB_KEY_RANGE);
		1452	req->db = db;
		1453	req->txn = txn;
		1454	sv_to_dbt (&req->dbt1, key);
		1455	req->uint1 = flags;
		1456	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1461	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1074	CODE:	1462	CODE:
1075	{	1463	{
1076	dREQ (REQ_DB_PUT);	1464	dREQ (REQ_DB_PUT);
1077	req->db = db;	1465	req->db = db;
1078	req->txn = 0;	1466	req->txn = txn;
1079	set_dbt (&req->dbt1, key);	1467	sv_to_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);	1468	sv_to_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1469	req->uint1 = flags;
1082	REQ_SEND;	1470	REQ_SEND;
1083	}	1471	}
1084		1472
		1473	void
		1474	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1475	CODE:
		1476	{
		1477	dREQ (REQ_DB_GET);
		1478	req->db = db;
		1479	req->txn = txn;
		1480	req->uint1 = flags;
		1481	sv_to_dbt (&req->dbt1, key);
		1482	req->dbt3.flags = DB_DBT_MALLOC;
		1483	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1484	REQ_SEND;
		1485	}
		1486
		1487	void
		1488	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1489	CODE:
		1490	{
		1491	dREQ (REQ_DB_PGET);
		1492	req->db = db;
		1493	req->txn = txn;
		1494	req->uint1 = flags;
		1495	sv_to_dbt (&req->dbt1, key);
		1496	sv_to_dbt (&req->dbt2, pkey);
		1497	req->dbt3.flags = DB_DBT_MALLOC;
		1498	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1499	REQ_SEND;
		1500	}
		1501
		1502	void
		1503	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1504	CODE:
		1505	{
		1506	dREQ (REQ_DB_DEL);
		1507	req->db = db;
		1508	req->txn = txn;
		1509	req->uint1 = flags;
		1510	sv_to_dbt (&req->dbt1, key);
		1511	REQ_SEND;
		1512	}
		1513
		1514	void
		1515	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1516	CODE:
		1517	{
		1518	dREQ (REQ_TXN_COMMIT);
		1519	req->txn = txn;
		1520	req->uint1 = flags;
		1521	REQ_SEND;
		1522	ptr_nuke (ST (0));
		1523	}
		1524
		1525	void
		1526	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1527	CODE:
		1528	{
		1529	dREQ (REQ_TXN_ABORT);
		1530	req->txn = txn;
		1531	REQ_SEND;
		1532	ptr_nuke (ST (0));
		1533	}
		1534
		1535	void
		1536	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1537	CODE:
		1538	{
		1539	dREQ (REQ_TXN_FINISH);
		1540	req->txn = txn;
		1541	req->uint1 = flags;
		1542	REQ_SEND;
		1543	ptr_nuke (ST (0));
		1544	}
		1545
		1546	void
		1547	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1548	CODE:
		1549	{
		1550	dREQ (REQ_C_CLOSE);
		1551	req->dbc = dbc;
		1552	REQ_SEND;
		1553	ptr_nuke (ST (0));
		1554	}
		1555
		1556	void
		1557	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1558	CODE:
		1559	{
		1560	dREQ (REQ_C_COUNT);
		1561	req->dbc = dbc;
		1562	req->sv1 = SvREFCNT_inc (count);
		1563	REQ_SEND;
		1564	}
		1565
		1566	void
		1567	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1568	CODE:
		1569	{
		1570	dREQ (REQ_C_PUT);
		1571	req->dbc = dbc;
		1572	sv_to_dbt (&req->dbt1, key);
		1573	sv_to_dbt (&req->dbt2, data);
		1574	req->uint1 = flags;
		1575	REQ_SEND;
		1576	}
		1577
		1578	void
		1579	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1580	CODE:
		1581	{
		1582	dREQ (REQ_C_GET);
		1583	req->dbc = dbc;
		1584	req->uint1 = flags;
		1585	if ((flags & DB_SET) == DB_SET
		1586	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1587	sv_to_dbt (&req->dbt1, key);
		1588	else
		1589	req->dbt1.flags = DB_DBT_MALLOC;
		1590
		1591	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1592
		1593	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1594	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1595	sv_to_dbt (&req->dbt3, data);
		1596	else
		1597	req->dbt3.flags = DB_DBT_MALLOC;
		1598
		1599	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1600	REQ_SEND;
		1601	}
		1602
		1603	void
		1604	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1605	CODE:
		1606	{
		1607	dREQ (REQ_C_PGET);
		1608	req->dbc = dbc;
		1609	req->uint1 = flags;
		1610	if ((flags & DB_SET) == DB_SET
		1611	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1612	sv_to_dbt (&req->dbt1, key);
		1613	else
		1614	req->dbt1.flags = DB_DBT_MALLOC;
		1615
		1616	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1617
		1618	req->dbt2.flags = DB_DBT_MALLOC;
		1619	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1620
		1621	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1622	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1623	sv_to_dbt (&req->dbt3, data);
		1624	else
		1625	req->dbt3.flags = DB_DBT_MALLOC;
		1626
		1627	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1628	REQ_SEND;
		1629	}
		1630
		1631	void
		1632	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1633	CODE:
		1634	{
		1635	dREQ (REQ_C_DEL);
		1636	req->dbc = dbc;
		1637	req->uint1 = flags;
		1638	REQ_SEND;
		1639	}
		1640
		1641
		1642	void
		1643	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1644	CODE:
		1645	{
		1646	dREQ (REQ_SEQ_OPEN);
		1647	req->seq = seq;
		1648	req->txn = txnid;
		1649	req->uint1 = flags | DB_THREAD;
		1650	sv_to_dbt (&req->dbt1, key);
		1651	REQ_SEND;
		1652	}
		1653
		1654	void
		1655	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1656	CODE:
		1657	{
		1658	dREQ (REQ_SEQ_CLOSE);
		1659	req->seq = seq;
		1660	req->uint1 = flags;
		1661	REQ_SEND;
		1662	ptr_nuke (ST (0));
		1663	}
		1664
		1665	void
		1666	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)
		1667	CODE:
		1668	{
		1669	dREQ (REQ_SEQ_GET);
		1670	req->seq = seq;
		1671	req->txn = txnid;
		1672	req->int1 = delta;
		1673	req->uint1 = flags;
		1674	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1675	REQ_SEND;
		1676	}
		1677
		1678	void
		1679	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1680	CODE:
		1681	{
		1682	dREQ (REQ_SEQ_REMOVE);
		1683	req->seq = seq;
		1684	req->txn = txnid;
		1685	req->uint1 = flags;
		1686	REQ_SEND;
		1687	}
		1688
1085		1689
1086	MODULE = BDB PACKAGE = BDB::Env	1690	MODULE = BDB PACKAGE = BDB::Env
1087		1691
		1692	void
		1693	DESTROY (DB_ENV_ornull *env)
		1694	CODE:
		1695	if (env)
		1696	env->close (env, 0);
		1697
		1698	int set_data_dir (DB_ENV *env, const char *dir)
		1699	CODE:
		1700	RETVAL = env->set_data_dir (env, dir);
		1701	OUTPUT:
		1702	RETVAL
		1703
		1704	int set_tmp_dir (DB_ENV *env, const char *dir)
		1705	CODE:
		1706	RETVAL = env->set_tmp_dir (env, dir);
		1707	OUTPUT:
		1708	RETVAL
		1709
		1710	int set_lg_dir (DB_ENV *env, const char *dir)
		1711	CODE:
		1712	RETVAL = env->set_lg_dir (env, dir);
		1713	OUTPUT:
		1714	RETVAL
		1715
		1716	int set_shm_key (DB_ENV *env, long shm_key)
		1717	CODE:
		1718	RETVAL = env->set_shm_key (env, shm_key);
		1719	OUTPUT:
		1720	RETVAL
		1721
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1722	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	1723	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1724	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	1725	OUTPUT:
1092	RETVAL	1726	RETVAL
…		…
1095	CODE:	1729	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	1730	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	1731	OUTPUT:
1098	RETVAL	1732	RETVAL
1099		1733
		1734	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1735	CODE:
		1736	env->set_errfile (env, errfile);
		1737
		1738	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1739	CODE:
		1740	env->set_msgfile (env, msgfile);
		1741
		1742	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1743	CODE:
		1744	RETVAL = env->set_verbose (env, which, onoff);
		1745	OUTPUT:
		1746	RETVAL
		1747
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1748	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	1749	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	1750	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	1751	OUTPUT:
1104	RETVAL	1752	RETVAL
1105		1753
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1754	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	1755	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1756	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	1757	OUTPUT:
1110	RETVAL	1758	RETVAL
1111		1759
		1760	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1761	CODE:
		1762	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1763	OUTPUT:
		1764	RETVAL
		1765
		1766	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1767	CODE:
		1768	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1769	OUTPUT:
		1770	RETVAL
		1771
		1772	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1773	CODE:
		1774	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1775	OUTPUT:
		1776	RETVAL
		1777
		1778	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1779	CODE:
		1780	RETVAL = env->set_lk_detect (env, detect);
		1781	OUTPUT:
		1782	RETVAL
		1783
		1784	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1785	CODE:
		1786	RETVAL = env->set_lk_max_lockers (env, max);
		1787	OUTPUT:
		1788	RETVAL
		1789
		1790	int set_lk_max_locks (DB_ENV *env, U32 max)
		1791	CODE:
		1792	RETVAL = env->set_lk_max_locks (env, max);
		1793	OUTPUT:
		1794	RETVAL
		1795
		1796	int set_lk_max_objects (DB_ENV *env, U32 max)
		1797	CODE:
		1798	RETVAL = env->set_lk_max_objects (env, max);
		1799	OUTPUT:
		1800	RETVAL
		1801
		1802	int set_lg_bsize (DB_ENV *env, U32 max)
		1803	CODE:
		1804	RETVAL = env->set_lg_bsize (env, max);
		1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int set_lg_max (DB_ENV *env, U32 max)
		1809	CODE:
		1810	RETVAL = env->set_lg_max (env, max);
		1811	OUTPUT:
		1812	RETVAL
		1813
		1814	DB_TXN *
		1815	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1816	CODE:
		1817	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1818	if (errno)
		1819	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1820	OUTPUT:
		1821	RETVAL
1112		1822
1113	MODULE = BDB PACKAGE = BDB::Db	1823	MODULE = BDB PACKAGE = BDB::Db
1114		1824
		1825	void
		1826	DESTROY (DB_ornull *db)
		1827	CODE:
		1828	if (db)
		1829	{
		1830	SV *env = (SV *)db->app_private;
		1831	db->close (db, 0);
		1832	SvREFCNT_dec (env);
		1833	}
		1834
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1835	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	1836	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1837	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	1838	OUTPUT:
1119	RETVAL	1839	RETVAL
1120		1840
1121	int set_flags (DB *db, U32 flags);	1841	int set_flags (DB *db, U32 flags)
1122	CODE:	1842	CODE:
1123	RETVAL = db->set_flags (db, flags);	1843	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	1844	OUTPUT:
1125	RETVAL	1845	RETVAL
1126		1846
…		…
1134	CODE:	1854	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	1855	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	1856	OUTPUT:
1137	RETVAL	1857	RETVAL
1138		1858
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	1859	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	1860	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	1861	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	1862	OUTPUT:
1144	RETVAL	1863	RETVAL
1145		1864
1146	int set_re_delim(DB *db, int delim);	1865	int set_re_delim (DB *db, int delim)
1147	CODE:	1866	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	1867	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	1868	OUTPUT:
1150	RETVAL	1869	RETVAL
1151		1870
…		…
1183	CODE:	1902	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	1903	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	1904	OUTPUT:
1186	RETVAL	1905	RETVAL
1187		1906
		1907	DBC *
		1908	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1909	CODE:
		1910	errno = db->cursor (db, txn, &RETVAL, flags);
		1911	if (errno)
		1912	croak ("DB->cursor: %s", db_strerror (errno));
		1913	OUTPUT:
		1914	RETVAL
1188		1915
		1916	DB_SEQUENCE *
		1917	sequence (DB *db, U32 flags = 0)
		1918	CODE:
		1919	{
		1920	errno = db_sequence_create (&RETVAL, db, flags);
		1921	if (errno)
		1922	croak ("db_sequence_create: %s", db_strerror (errno));
		1923	}
		1924	OUTPUT:
		1925	RETVAL
		1926
		1927
		1928	MODULE = BDB PACKAGE = BDB::Txn
		1929
		1930	void
		1931	DESTROY (DB_TXN_ornull *txn)
		1932	CODE:
		1933	if (txn)
		1934	txn->abort (txn);
		1935
		1936	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1937	CODE:
		1938	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1939	OUTPUT:
		1940	RETVAL
		1941
		1942	int failed (DB_TXN *txn)
		1943	CODE:
		1944	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1945	OUTPUT:
		1946	RETVAL
		1947
		1948
		1949	MODULE = BDB PACKAGE = BDB::Cursor
		1950
		1951	void
		1952	DESTROY (DBC_ornull *dbc)
		1953	CODE:
		1954	if (dbc)
		1955	dbc->c_close (dbc);
		1956
		1957	MODULE = BDB PACKAGE = BDB::Sequence
		1958
		1959	void
		1960	DESTROY (DB_SEQUENCE_ornull *seq)
		1961	CODE:
		1962	if (seq)
		1963	seq->close (seq, 0);
		1964
		1965	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1966	CODE:
		1967	RETVAL = seq->initial_value (seq, value);
		1968	OUTPUT:
		1969	RETVAL
		1970
		1971	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1972	CODE:
		1973	RETVAL = seq->set_cachesize (seq, size);
		1974	OUTPUT:
		1975	RETVAL
		1976
		1977	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1978	CODE:
		1979	RETVAL = seq->set_flags (seq, flags);
		1980	OUTPUT:
		1981	RETVAL
		1982
		1983	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1984	CODE:
		1985	RETVAL = seq->set_range (seq, min, max);
		1986	OUTPUT:
		1987	RETVAL
		1988

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines