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Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.34 by root, Sun Mar 30 06:28:08 2008 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	44
39	# define WORDACCESS_UNSAFE 0	45	typedef DB_ENV DB_ENV_ornuked;
40	# else	46	typedef DB_TXN DB_TXN_ornuked;
41	# define WORDACCESS_UNSAFE 1	47	typedef DBC DBC_ornuked;
42	# endif	48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
		51	typedef SV SV8; /* byte-sv, used for argument-checking */
		52	typedef char *bdb_filename;
		53
		54	static SV *prepare_cb;
		55
		56	#if DB_VERSION_MINOR >= 6
		57	# define c_close close
		58	# define c_count count
		59	# define c_del del
		60	# define c_dup dup
		61	# define c_get get
		62	# define c_pget pget
		63	# define c_put put
43	#endif	64	#endif
44		65
45	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49
50	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;
52
53	static SV *prepare_cb;
54
55	static inline char *	66	static char *
		67	get_bdb_filename (SV *sv)
		68	{
		69	return !SvOK (sv)
		70	? 0
		71	:
		72	#if WIN32
		73	SvPVutf8_nolen (sv)
		74	#else
		75	SvPVbyte_nolen (sv)
		76	#endif
		77	;
		78	}
		79
		80	static void
		81	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		82	{
		83	printf ("err[%s]\n", msg);
		84	}
		85
		86	static void
		87	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		88	{
		89	printf ("msg[%s]\n", msg);
		90	}
		91
		92	static char *
56	strdup_ornull (const char *s)	93	strdup_ornull (const char *s)
57	{	94	{
58	return s ? strdup (s) : 0;	95	return s ? strdup (s) : 0;
59	}	96	}
60		97
61	static inline void	98	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	99	sv_to_dbt (DBT *dbt, SV *sv)
63	{	100	{
64	STRLEN len;	101	STRLEN len;
65	char *data = SvPVbyte (sv, len);	102	char *data = SvPVbyte (sv, len);
66		103
…		…
68	memcpy (dbt->data, data, len);	105	memcpy (dbt->data, data, len);
69	dbt->size = len;	106	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	107	dbt->flags = DB_DBT_REALLOC;
71	}	108	}
72		109
73	static inline void	110	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	111	dbt_to_sv (SV *sv, DBT *dbt)
75	{	112	{
76	if (sv)	113	if (sv)
77	{	114	{
78	SvREADONLY_off (sv);	115	SvREADONLY_off (sv);
…		…
83	free (dbt->data);	120	free (dbt->data);
84	}	121	}
85		122
86	enum {	123	enum {
87	REQ_QUIT,	124	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	125	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		126	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	127	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		128	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	129	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	130	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		131	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	132	};
93		133
94	typedef struct aio_cb	134	typedef struct bdb_cb
95	{	135	{
96	struct aio_cb *volatile next;	136	struct bdb_cb *volatile next;
97	SV *callback;	137	SV *callback;
98	int type, pri, result;	138	int type, pri, result;
99		139
100	DB_ENV *env;	140	DB_ENV *env;
101	DB *db;	141	DB *db;
…		…
107	U32 uint1, uint2;	147	U32 uint1, uint2;
108	char *buf1, *buf2;	148	char *buf1, *buf2;
109	SV *sv1, *sv2, *sv3;	149	SV *sv1, *sv2, *sv3;
110		150
111	DBT dbt1, dbt2, dbt3;	151	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	152	DB_KEY_RANGE key_range;
		153	DB_SEQUENCE *seq;
		154	db_seq_t seq_t;
		155	} bdb_cb;
113		156
114	typedef aio_cb *aio_req;	157	typedef bdb_cb *bdb_req;
115		158
116	enum {	159	enum {
117	PRI_MIN = -4,	160	PRI_MIN = -4,
118	PRI_MAX = 4,	161	PRI_MAX = 4,
119		162
…		…
136		179
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	180	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		181
139	static unsigned int started, idle, wanted;	182	static unsigned int started, idle, wanted;
140		183
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	184	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	185	static mutex_t wrklock = X_MUTEX_INIT;
152		186
153	typedef struct worker {	187	typedef struct worker {
154	/* locked by wrklock */	188	/* locked by wrklock */
155	struct worker *prev, *next;	189	struct worker *prev, *next;
156		190
157	pthread_t tid;	191	thread_t tid;
158		192
159	/* locked by reslock, reqlock or wrklock */	193	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	194	bdb_req req; /* currently processed request */
161	void *dbuf;	195	void *dbuf;
162	DIR *dirp;	196	DIR *dirp;
163	} worker;	197	} worker;
164		198
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	199	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	211	}
178		212
179	static volatile unsigned int nreqs, nready, npending;	213	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	214	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	215	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	216	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		217
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	218	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	219	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	220	static cond_t reqwait = X_COND_INIT;
187		221
188	#if WORDACCESS_UNSAFE	222	#if WORDACCESS_UNSAFE
189		223
190	static unsigned int get_nready ()	224	static unsigned int get_nready (void)
191	{	225	{
192	unsigned int retval;	226	unsigned int retval;
193		227
194	LOCK (reqlock);	228	X_LOCK (reqlock);
195	retval = nready;	229	retval = nready;
196	UNLOCK (reqlock);	230	X_UNLOCK (reqlock);
197		231
198	return retval;	232	return retval;
199	}	233	}
200		234
201	static unsigned int get_npending ()	235	static unsigned int get_npending (void)
202	{	236	{
203	unsigned int retval;	237	unsigned int retval;
204		238
205	LOCK (reslock);	239	X_LOCK (reslock);
206	retval = npending;	240	retval = npending;
207	UNLOCK (reslock);	241	X_UNLOCK (reslock);
208		242
209	return retval;	243	return retval;
210	}	244	}
211		245
212	static unsigned int get_nthreads ()	246	static unsigned int get_nthreads (void)
213	{	247	{
214	unsigned int retval;	248	unsigned int retval;
215		249
216	LOCK (wrklock);	250	X_LOCK (wrklock);
217	retval = started;	251	retval = started;
218	UNLOCK (wrklock);	252	X_UNLOCK (wrklock);
219		253
220	return retval;	254	return retval;
221	}	255	}
222		256
223	#else	257	#else
…		…
232	* a somewhat faster data structure might be nice, but	266	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	267	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	268	* per shift, the most expensive operation.
235	*/	269	*/
236	typedef struct {	270	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	271	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	272	int size;
239	} reqq;	273	} reqq;
240		274
241	static reqq req_queue;	275	static reqq req_queue;
242	static reqq res_queue;	276	static reqq res_queue;
243		277
244	int reqq_push (reqq *q, aio_req req)	278	int reqq_push (reqq *q, bdb_req req)
245	{	279	{
246	int pri = req->pri;	280	int pri = req->pri;
247	req->next = 0;	281	req->next = 0;
248		282
249	if (q->qe[pri])	283	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	289	q->qe[pri] = q->qs[pri] = req;
256		290
257	return q->size++;	291	return q->size++;
258	}	292	}
259		293
260	aio_req reqq_shift (reqq *q)	294	bdb_req reqq_shift (reqq *q)
261	{	295	{
262	int pri;	296	int pri;
263		297
264	if (!q->size)	298	if (!q->size)
265	return 0;	299	return 0;
266		300
267	--q->size;	301	--q->size;
268		302
269	for (pri = NUM_PRI; pri--; )	303	for (pri = NUM_PRI; pri--; )
270	{	304	{
271	aio_req req = q->qs[pri];	305	bdb_req req = q->qs[pri];
272		306
273	if (req)	307	if (req)
274	{	308	{
275	if (!(q->qs[pri] = req->next))	309	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	310	q->qe[pri] = 0;
…		…
280	}	314	}
281		315
282	abort ();	316	abort ();
283	}	317	}
284		318
285	static int poll_cb ();	319	static int poll_cb (void);
286	static void req_free (aio_req req);	320	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);	321	static void req_cancel (bdb_req req);
288		322
289	static int req_invoke (aio_req req)	323	static int req_invoke (bdb_req req)
290	{	324	{
291	dSP;	325	dSP;
292		326
293	if (SvOK (req->callback))	327	if (SvOK (req->callback))
294	{	328	{
295	ENTER;	329	ENTER;
296	SAVETMPS;	330	SAVETMPS;
297	PUSHMARK (SP);	331	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		332
300	switch (req->type)	333	switch (req->type)
301	{	334	{
302	case REQ_DB_CLOSE:	335	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	336	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	345	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	346	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	347	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	348	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	349	break;
		350
		351	case REQ_DB_PUT:
		352	case REQ_C_PUT:
		353	dbt_to_sv (0, &req->dbt1);
		354	dbt_to_sv (0, &req->dbt2);
		355	break;
		356
		357	case REQ_DB_KEY_RANGE:
		358	{
		359	AV *av = newAV ();
		360
		361	av_push (av, newSVnv (req->key_range.less));
		362	av_push (av, newSVnv (req->key_range.equal));
		363	av_push (av, newSVnv (req->key_range.greater));
		364
		365	SvREADONLY_off (req->sv1);
		366	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		367	SvREFCNT_dec (req->sv1);
		368	}
		369	break;
		370
		371	case REQ_SEQ_GET:
		372	SvREADONLY_off (req->sv1);
		373
		374	if (sizeof (IV) > 4)
		375	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		376	else
		377	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		378
		379	SvREFCNT_dec (req->sv1);
		380	break;
317	}	381	}
318		382
319	errno = req->result;	383	errno = req->result;
320		384
321	PUTBACK;	385	PUTBACK;
…		…
327	}	391	}
328		392
329	return !SvTRUE (ERRSV);	393	return !SvTRUE (ERRSV);
330	}	394	}
331		395
332	static void req_free (aio_req req)	396	static void req_free (bdb_req req)
333	{	397	{
334	free (req->buf1);	398	free (req->buf1);
335	free (req->buf2);	399	free (req->buf2);
336	Safefree (req);	400	Safefree (req);
337	}	401	}
338		402
339	static void *aio_proc (void *arg);	403	#ifdef USE_SOCKETS_AS_HANDLES
		404	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		405	#else
		406	# define TO_SOCKET(x) (x)
		407	#endif
		408
		409	static void
		410	create_respipe (void)
		411	{
		412	#ifdef _WIN32
		413	int arg; /* argg */
		414	#endif
		415	int old_readfd = respipe [0];
		416
		417	if (respipe [1] >= 0)
		418	respipe_close (TO_SOCKET (respipe [1]));
		419
		420	#ifdef _WIN32
		421	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		422	#else
		423	if (pipe (respipe))
		424	#endif
		425	croak ("unable to initialize result pipe");
		426
		427	if (old_readfd >= 0)
		428	{
		429	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		430	croak ("unable to initialize result pipe(2)");
		431
		432	respipe_close (respipe [0]);
		433	respipe [0] = old_readfd;
		434	}
		435
		436	#ifdef _WIN32
		437	arg = 1;
		438	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		439	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		440	#else
		441	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		442	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		443	#endif
		444	croak ("unable to initialize result pipe(3)");
		445
		446	respipe_osf [0] = TO_SOCKET (respipe [0]);
		447	respipe_osf [1] = TO_SOCKET (respipe [1]);
		448	}
		449
		450	X_THREAD_PROC (bdb_proc);
340		451
341	static void start_thread (void)	452	static void start_thread (void)
342	{	453	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	454	worker *wrk = calloc (1, sizeof (worker));
347		455
348	if (!wrk)	456	if (!wrk)
349	croak ("unable to allocate worker thread data");	457	croak ("unable to allocate worker thread data");
350		458
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	459	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	460	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	461	{
364	wrk->prev = &wrk_first;	462	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	463	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	464	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	465	wrk_first.next = wrk;
368	++started;	466	++started;
369	}	467	}
370	else	468	else
371	free (wrk);	469	free (wrk);
372		470
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	471	X_UNLOCK (wrklock);
375	}	472	}
376		473
377	static void maybe_start_thread ()	474	static void maybe_start_thread (void)
378	{	475	{
379	if (get_nthreads () >= wanted)	476	if (get_nthreads () >= wanted)
380	return;	477	return;
381		478
382	/* todo: maybe use idle here, but might be less exact */	479	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	481	return;
385		482
386	start_thread ();	483	start_thread ();
387	}	484	}
388		485
389	static void req_send (aio_req req)	486	static void req_send (bdb_req req)
390	{	487	{
391	SV *wait_callback = 0;	488	SV *wait_callback = 0;
392		489
393	// synthesize callback if none given	490	// synthesize callback if none given
394	if (!SvOK (req->callback))	491	if (!SvOK (req->callback))
395	{	492	{
		493	int count;
		494
396	dSP;	495	dSP;
397	PUSHMARK (SP);	496	PUSHMARK (SP);
398	PUTBACK;	497	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	498	count = call_sv (prepare_cb, G_ARRAY);
400	SPAGAIN;	499	SPAGAIN;
401		500
402	if (count != 2)	501	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");	502	croak ("prepare callback must return exactly two values\n");
404		503
405	wait_callback = SvREFCNT_inc (POPs);	504	wait_callback = POPs;
406	SvREFCNT_dec (req->callback);	505	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);	506	req->callback = SvREFCNT_inc (POPs);
408	}	507	}
409		508
410	++nreqs;	509	++nreqs;
411		510
412	LOCK (reqlock);	511	X_LOCK (reqlock);
413	++nready;	512	++nready;
414	reqq_push (&req_queue, req);	513	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	514	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	515	X_UNLOCK (reqlock);
417		516
418	maybe_start_thread ();	517	maybe_start_thread ();
419		518
420	if (wait_callback)	519	if (wait_callback)
421	{	520	{
422	dSP;	521	dSP;
423	PUSHMARK (SP);	522	PUSHMARK (SP);
424	PUTBACK;	523	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	524	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	525	}
428	}	526	}
429		527
430	static void end_thread (void)	528	static void end_thread (void)
431	{	529	{
432	aio_req req;	530	bdb_req req;
433		531
434	Newz (0, req, 1, aio_cb);	532	Newz (0, req, 1, bdb_cb);
435		533
436	req->type = REQ_QUIT;	534	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	535	req->pri = PRI_MAX + PRI_BIAS;
438		536
439	LOCK (reqlock);	537	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	538	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	539	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	540	X_UNLOCK (reqlock);
443		541
444	LOCK (wrklock);	542	X_LOCK (wrklock);
445	--started;	543	--started;
446	UNLOCK (wrklock);	544	X_UNLOCK (wrklock);
447	}	545	}
448		546
449	static void set_max_idle (int nthreads)	547	static void set_max_idle (int nthreads)
450	{	548	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	549	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	550	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	551	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	552	}
455		553
456	static void min_parallel (int nthreads)	554	static void min_parallel (int nthreads)
457	{	555	{
458	if (wanted < nthreads)	556	if (wanted < nthreads)
…		…
466		564
467	while (started > wanted)	565	while (started > wanted)
468	end_thread ();	566	end_thread ();
469	}	567	}
470		568
471	static void poll_wait ()	569	static void poll_wait (void)
472	{	570	{
473	fd_set rfd;	571	fd_set rfd;
474		572
475	while (nreqs)	573	while (nreqs)
476	{	574	{
477	int size;	575	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	576	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	577	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	578	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		579
482	if (size)	580	if (size)
483	return;	581	return;
484		582
485	maybe_start_thread ();	583	maybe_start_thread ();
486		584
487	FD_ZERO(&rfd);	585	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	586	FD_SET (respipe [0], &rfd);
489		587
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	588	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	589	}
492	}	590	}
493		591
494	static int poll_cb ()	592	static int poll_cb (void)
495	{	593	{
496	dSP;	594	dSP;
497	int count = 0;	595	int count = 0;
498	int maxreqs = max_poll_reqs;	596	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	597	int do_croak = 0;
500	struct timeval tv_start, tv_now;	598	struct timeval tv_start, tv_now;
501	aio_req req;	599	bdb_req req;
502		600
503	if (max_poll_time)	601	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	602	gettimeofday (&tv_start, 0);
505		603
506	for (;;)	604	for (;;)
507	{	605	{
508	for (;;)	606	for (;;)
509	{	607	{
510	maybe_start_thread ();	608	maybe_start_thread ();
511		609
512	LOCK (reslock);	610	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	611	req = reqq_shift (&res_queue);
514		612
515	if (req)	613	if (req)
516	{	614	{
517	--npending;	615	--npending;
518		616
519	if (!res_queue.size)	617	if (!res_queue.size)
520	{	618	{
521	/* read any signals sent by the worker threads */	619	/* read any signals sent by the worker threads */
522	char buf [4];	620	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	621	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	622	;
525	}	623	}
526	}	624	}
527		625
528	UNLOCK (reslock);	626	X_UNLOCK (reslock);
529		627
530	if (!req)	628	if (!req)
531	break;	629	break;
532		630
533	--nreqs;	631	--nreqs;
…		…
563	}	661	}
564		662
565	return count;	663	return count;
566	}	664	}
567		665
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	666	/*****************************************************************************/
581		667
582	static void *aio_proc (void *thr_arg)	668	X_THREAD_PROC (bdb_proc)
583	{	669	{
584	aio_req req;	670	bdb_req req;
585	struct timespec ts;	671	struct timespec ts;
586	worker *self = (worker *)thr_arg;	672	worker *self = (worker *)thr_arg;
587		673
588	/* try to distribute timeouts somewhat evenly */	674	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	675	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		676
592	for (;;)	677	for (;;)
593	{	678	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	679	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		680
596	LOCK (reqlock);	681	X_LOCK (reqlock);
597		682
598	for (;;)	683	for (;;)
599	{	684	{
600	self->req = req = reqq_shift (&req_queue);	685	self->req = req = reqq_shift (&req_queue);
601		686
602	if (req)	687	if (req)
603	break;	688	break;
604		689
605	++idle;	690	++idle;
606		691
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	692	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	693	== ETIMEDOUT)
609	{	694	{
610	if (idle > max_idle)	695	if (idle > max_idle)
611	{	696	{
612	--idle;	697	--idle;
613	UNLOCK (reqlock);	698	X_UNLOCK (reqlock);
614	LOCK (wrklock);	699	X_LOCK (wrklock);
615	--started;	700	--started;
616	UNLOCK (wrklock);	701	X_UNLOCK (wrklock);
617	goto quit;	702	goto quit;
618	}	703	}
619		704
620	/* we are allowed to idle, so do so without any timeout */	705	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	706	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	707	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	708	}
624		709
625	--idle;	710	--idle;
626	}	711	}
627		712
628	--nready;	713	--nready;
629		714
630	UNLOCK (reqlock);	715	X_UNLOCK (reqlock);
631		716
632	switch (req->type)	717	switch (req->type)
633	{	718	{
634	case REQ_QUIT:	719	case REQ_QUIT:
		720	req->result = ENOSYS;
635	goto quit;	721	goto quit;
636		722
637	case REQ_ENV_OPEN:	723	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	724	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;	725	break;
640		726
641	case REQ_ENV_CLOSE:	727	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);	728	req->result = req->env->close (req->env, req->uint1);
643	break;	729	break;
644		730
		731	case REQ_ENV_TXN_CHECKPOINT:
		732	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		733	break;
		734
		735	case REQ_ENV_LOCK_DETECT:
		736	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		737	break;
		738
		739	case REQ_ENV_MEMP_SYNC:
		740	req->result = req->env->memp_sync (req->env, 0);
		741	break;
		742
		743	case REQ_ENV_MEMP_TRICKLE:
		744	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		745	break;
		746
645	case REQ_DB_OPEN:	747	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	748	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;	749	break;
648		750
649	case REQ_DB_CLOSE:	751	case REQ_DB_CLOSE:
…		…
656		758
657	case REQ_DB_SYNC:	759	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);	760	req->result = req->db->sync (req->db, req->uint1);
659	break;	761	break;
660		762
		763	case REQ_DB_UPGRADE:
		764	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		765	break;
		766
661	case REQ_DB_PUT:	767	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	768	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;	769	break;
664		770
665	case REQ_DB_GET:	771	case REQ_DB_GET:
…		…
672		778
673	case REQ_DB_DEL:	779	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);	780	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;	781	break;
676		782
		783	case REQ_DB_KEY_RANGE:
		784	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		785	break;
		786
677	case REQ_TXN_COMMIT:	787	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);	788	req->result = req->txn->commit (req->txn, req->uint1);
679	break;	789	break;
680		790
681	case REQ_TXN_ABORT:	791	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);	792	req->result = req->txn->abort (req->txn);
		793	break;
		794
		795	case REQ_TXN_FINISH:
		796	if (req->txn->flags & TXN_DEADLOCK)
		797	{
		798	req->result = req->txn->abort (req->txn);
		799	if (!req->result)
		800	req->result = DB_LOCK_DEADLOCK;
		801	}
		802	else
		803	req->result = req->txn->commit (req->txn, req->uint1);
683	break;	804	break;
684		805
685	case REQ_C_CLOSE:	806	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);	807	req->result = req->dbc->c_close (req->dbc);
687	break;	808	break;
…		…
708		829
709	case REQ_C_DEL:	830	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);	831	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;	832	break;
712		833
		834	case REQ_SEQ_OPEN:
		835	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		836	break;
		837
		838	case REQ_SEQ_CLOSE:
		839	req->result = req->seq->close (req->seq, req->uint1);
		840	break;
		841
		842	case REQ_SEQ_GET:
		843	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		844	break;
		845
		846	case REQ_SEQ_REMOVE:
		847	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		848	break;
		849
713	default:	850	default:
714	req->result = ENOSYS;	851	req->result = ENOSYS;
715	break;	852	break;
716	}	853	}
717		854
		855	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		856	req->txn->flags |= TXN_DEADLOCK;
		857
718	LOCK (reslock);	858	X_LOCK (reslock);
719		859
720	++npending;	860	++npending;
721		861
722	if (!reqq_push (&res_queue, req))	862	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	863	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	864	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		865
726	self->req = 0;	866	self->req = 0;
727	worker_clear (self);	867	worker_clear (self);
728		868
729	UNLOCK (reslock);	869	X_UNLOCK (reslock);
730	}	870	}
731		871
732	quit:	872	quit:
733	LOCK (wrklock);	873	X_LOCK (wrklock);
734	worker_free (self);	874	worker_free (self);
735	UNLOCK (wrklock);	875	X_UNLOCK (wrklock);
736		876
737	return 0;	877	return 0;
738	}	878	}
739		879
740	/*****************************************************************************/	880	/*****************************************************************************/
741		881
742	static void atfork_prepare (void)	882	static void atfork_prepare (void)
743	{	883	{
744	LOCK (wrklock);	884	X_LOCK (wrklock);
745	LOCK (reqlock);	885	X_LOCK (reqlock);
746	LOCK (reslock);	886	X_LOCK (reslock);
747	}	887	}
748		888
749	static void atfork_parent (void)	889	static void atfork_parent (void)
750	{	890	{
751	UNLOCK (reslock);	891	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	892	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	893	X_UNLOCK (wrklock);
754	}	894	}
755		895
756	static void atfork_child (void)	896	static void atfork_child (void)
757	{	897	{
758	aio_req prv;	898	bdb_req prv;
759		899
760	while (prv = reqq_shift (&req_queue))	900	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	901	req_free (prv);
762		902
763	while (prv = reqq_shift (&res_queue))	903	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	918	idle = 0;
779	nreqs = 0;	919	nreqs = 0;
780	nready = 0;	920	nready = 0;
781	npending = 0;	921	npending = 0;
782		922
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	923	create_respipe ();
786		924
787	atfork_parent ();	925	atfork_parent ();
788	}	926	}
789		927
790	#define dREQ(reqtype) \	928	#define dREQ(reqtype) \
791	aio_req req; \	929	bdb_req req; \
792	int req_pri = next_pri; \	930	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	931	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	932	\
795	if (SvOK (callback) && !SvROK (callback)) \	933	if (SvOK (callback) && !SvROK (callback)) \
796	croak ("callback must be undef or of reference type"); \	934	croak ("callback must be undef or of reference type"); \
797	\	935	\
798	Newz (0, req, 1, aio_cb); \	936	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	937	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	938	croak ("out of memory during bdb_req allocation"); \
801	\	939	\
802	req->callback = newSVsv (callback); \	940	req->callback = newSVsv (callback); \
803	req->type = (reqtype); \	941	req->type = (reqtype); \
804	req->pri = req_pri	942	req->pri = req_pri
805		943
806	#define REQ_SEND \	944	#define REQ_SEND \
807	req_send (req)	945	req_send (req)
808		946
809	#define SvPTR(var, arg, type, class, nullok) \	947	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	948	if (!SvOK (arg)) \
811	{ \	949	{ \
812	if (!nullok) \	950	if (nullok != 1) \
813	croak (# var " must be a " # class " object, not undef"); \	951	croak (# var " must be a " # class " object, not undef"); \
814	\	952	\
815	(var) = 0; \	953	(var) = 0; \
816	} \	954	} \
817	else if (sv_derived_from ((arg), # class)) \	955	else if (sv_derived_from ((arg), # class)) \
818	{ \	956	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	957	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	958	(var) = INT2PTR (type, tmp); \
821	if (!var) \	959	if (!var && nullok != 2) \
822	croak (# var " is not a valid " # class " object anymore"); \	960	croak (# var " is not a valid " # class " object anymore"); \
823	} \	961	} \
824	else \	962	else \
825	croak (# var " is not of type " # class); \	963	croak (# var " is not of type " # class); \
826	\	964	\
…		…
828	static void	966	static void
829	ptr_nuke (SV *sv)	967	ptr_nuke (SV *sv)
830	{	968	{
831	assert (SvROK (sv));	969	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	970	sv_setiv (SvRV (sv), 0);
		971	}
		972
		973	static int
		974	errno_get (pTHX_ SV *sv, MAGIC *mg)
		975	{
		976	if (*mg->mg_ptr == '!') // should always be the case
		977	if (-30999 <= errno && errno <= -30800)
		978	{
		979	sv_setnv (sv, (NV)errno);
		980	sv_setpv (sv, db_strerror (errno));
		981	SvNOK_on (sv); /* what a wonderful hack! */
		982	// ^^^ copied from perl sources
		983	return 0;
		984	}
		985
		986	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		987	}
		988
		989	static MGVTBL vtbl_errno;
		990
		991	// this wonderful hack :( patches perl's $! variable to support our errno values
		992	static void
		993	patch_errno (void)
		994	{
		995	SV *sv;
		996	MAGIC *mg;
		997
		998	if (!(sv = get_sv ("!", 1)))
		999	return;
		1000
		1001	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1002	return;
		1003
		1004	if (mg->mg_virtual != &PL_vtbl_sv)
		1005	return;
		1006
		1007	vtbl_errno = PL_vtbl_sv;
		1008	vtbl_errno.svt_get = errno_get;
		1009	mg->mg_virtual = &vtbl_errno;
833	}	1010	}
834		1011
835	MODULE = BDB PACKAGE = BDB	1012	MODULE = BDB PACKAGE = BDB
836		1013
837	PROTOTYPES: ENABLE	1014	PROTOTYPES: ENABLE
…		…
854	const_iv (INIT_TXN)	1031	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1032	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1033	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1034	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1035	const_iv (CREATE)
		1036	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1037	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1038	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1039	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1040	const_iv (PRIVATE)
863	const_iv (REGISTER)	1041	const_iv (REGISTER)
…		…
869	const_iv (DSYNC_DB)	1047	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)	1048	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)	1049	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)	1050	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1051	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1052	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1053	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1054	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1055	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1056	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1057	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1058	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1059	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1060	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1061	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1062	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1063	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1064	const_iv (XA_CREATE)
…		…
895	const_iv (READ_UNCOMMITTED)	1072	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1073	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1074	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1075	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1076	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1077	const_iv (DUP)
902	const_iv (DUPSORT)	1078	const_iv (DUPSORT)
903	const_iv (RECNUM)	1079	const_iv (RECNUM)
904	const_iv (RENUMBER)	1080	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1081	const_iv (REVSPLITOFF)
…		…
910	const_iv (GET_BOTH_RANGE)	1086	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1087	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1088	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1089	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1090	const_iv (JOIN_ITEM)
		1091	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1092	const_iv (RMW)
916		1093
917	const_iv (NOTFOUND)	1094	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1095	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1096	const_iv (LOCK_DEADLOCK)
…		…
930	const_iv (APPEND)	1107	const_iv (APPEND)
931	const_iv (NODUPDATA)	1108	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1109	const_iv (NOOVERWRITE)
933		1110
934	const_iv (TXN_NOWAIT)	1111	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1112	const_iv (TXN_SYNC)
937		1113
938	const_iv (SET_LOCK_TIMEOUT)	1114	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1115	const_iv (SET_TXN_TIMEOUT)
940		1116
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1117	const_iv (FIRST)
943	const_iv (NEXT)	1118	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1119	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1120	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1121	const_iv (PREV)
…		…
952	const_iv (AFTER)	1127	const_iv (AFTER)
953	const_iv (CURRENT)	1128	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1129	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1130	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1131	const_iv (NODUPDATA)
		1132
		1133	const_iv (FORCE)
		1134
		1135	const_iv (LOCK_DEFAULT)
		1136	const_iv (LOCK_EXPIRE)
		1137	const_iv (LOCK_MAXLOCKS)
		1138	const_iv (LOCK_MAXWRITE)
		1139	const_iv (LOCK_MINLOCKS)
		1140	const_iv (LOCK_MINWRITE)
		1141	const_iv (LOCK_OLDEST)
		1142	const_iv (LOCK_RANDOM)
		1143	const_iv (LOCK_YOUNGEST)
		1144
		1145	const_iv (SEQ_DEC)
		1146	const_iv (SEQ_INC)
		1147	const_iv (SEQ_WRAP)
		1148
		1149	const_iv (BUFFER_SMALL)
		1150	const_iv (DONOTINDEX)
		1151	const_iv (KEYEMPTY )
		1152	const_iv (KEYEXIST )
		1153	const_iv (LOCK_DEADLOCK)
		1154	const_iv (LOCK_NOTGRANTED)
		1155	const_iv (LOG_BUFFER_FULL)
		1156	const_iv (NOSERVER)
		1157	const_iv (NOSERVER_HOME)
		1158	const_iv (NOSERVER_ID)
		1159	const_iv (NOTFOUND)
		1160	const_iv (PAGE_NOTFOUND)
		1161	const_iv (REP_DUPMASTER)
		1162	const_iv (REP_HANDLE_DEAD)
		1163	const_iv (REP_HOLDELECTION)
		1164	const_iv (REP_IGNORE)
		1165	const_iv (REP_ISPERM)
		1166	const_iv (REP_JOIN_FAILURE)
		1167	const_iv (REP_LOCKOUT)
		1168	const_iv (REP_NEWMASTER)
		1169	const_iv (REP_NEWSITE)
		1170	const_iv (REP_NOTPERM)
		1171	const_iv (REP_UNAVAIL)
		1172	const_iv (RUNRECOVERY)
		1173	const_iv (SECONDARY_BAD)
		1174	const_iv (VERIFY_BAD)
		1175	const_iv (VERSION_MISMATCH)
		1176
		1177	const_iv (VERB_DEADLOCK)
		1178	const_iv (VERB_RECOVERY)
		1179	const_iv (VERB_REGISTER)
		1180	const_iv (VERB_REPLICATION)
		1181	const_iv (VERB_WAITSFOR)
		1182
		1183	const_iv (VERSION_MAJOR)
		1184	const_iv (VERSION_MINOR)
		1185	const_iv (VERSION_PATCH)
		1186	#if DB_VERSION_MINOR >= 5
		1187	const_iv (MULTIVERSION)
		1188	const_iv (TXN_SNAPSHOT)
		1189	#endif
		1190	#if DB_VERSION_MINOR >= 6
		1191	const_iv (PREV_DUP)
		1192	const_iv (PRIORITY_UNCHANGED)
		1193	const_iv (PRIORITY_VERY_LOW)
		1194	const_iv (PRIORITY_LOW)
		1195	const_iv (PRIORITY_DEFAULT)
		1196	const_iv (PRIORITY_HIGH)
		1197	const_iv (PRIORITY_VERY_HIGH)
		1198	#endif
957	};	1199	};
958		1200
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1201	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1202	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1203
962	create_pipe ();	1204	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1205	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1206
		1207	create_respipe ();
		1208
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1209	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1210	#ifdef _WIN32
		1211	X_MUTEX_CHECK (wrklock);
		1212	X_MUTEX_CHECK (reslock);
		1213	X_MUTEX_CHECK (reqlock);
		1214
		1215	X_COND_CHECK (reqwait);
		1216	#endif
		1217	patch_errno ();
964	}	1218	}
965		1219
966	void	1220	void
967	max_poll_reqs (int nreqs)	1221	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1222	PROTOTYPE: $
…		…
1087		1341
1088	int	1342	int
1089	nthreads ()	1343	nthreads ()
1090	PROTOTYPE:	1344	PROTOTYPE:
1091	CODE:	1345	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1346	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1347	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1348	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1349	OUTPUT:
1096	RETVAL	1350	RETVAL
1097		1351
1098	void	1352	void
1099	set_sync_prepare (SV *cb)	1353	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1354	PROTOTYPE: &
1101	CODE:	1355	CODE:
1102	SvREFCNT_dec (prepare_cb);	1356	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1357	prepare_cb = newSVsv (cb);
		1358
		1359	char *
		1360	strerror (int errorno = errno)
		1361	PROTOTYPE: ;$
		1362	CODE:
		1363	RETVAL = db_strerror (errorno);
		1364	OUTPUT:
		1365	RETVAL
1104		1366
1105	DB_ENV *	1367	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1368	db_env_create (U32 env_flags = 0)
1107	CODE:	1369	CODE:
1108	{	1370	{
1109	errno = db_env_create (&RETVAL, env_flags);	1371	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1372	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1373	croak ("db_env_create: %s", db_strerror (errno));
		1374
		1375	if (0)
		1376	{
		1377	RETVAL->set_errcall (RETVAL, debug_errcall);
		1378	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1379	}
1112	}	1380	}
1113	OUTPUT:	1381	OUTPUT:
1114	RETVAL	1382	RETVAL
1115		1383
1116	void	1384	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1385	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118	CODE:	1386	CODE:
1119	{	1387	{
1120	dREQ (REQ_ENV_OPEN);	1388	dREQ (REQ_ENV_OPEN);
		1389
1121	req->env = env;	1390	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1391	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1392	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1393	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1394	REQ_SEND;
…		…
1134	req->uint1 = flags;	1403	req->uint1 = flags;
1135	REQ_SEND;	1404	REQ_SEND;
1136	ptr_nuke (ST (0));	1405	ptr_nuke (ST (0));
1137	}	1406	}
1138		1407
		1408	void
		1409	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1410	CODE:
		1411	{
		1412	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1413	req->env = env;
		1414	req->uint1 = kbyte;
		1415	req->int1 = min;
		1416	req->uint2 = flags;
		1417	REQ_SEND;
		1418	}
		1419
		1420	void
		1421	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1422	CODE:
		1423	{
		1424	dREQ (REQ_ENV_LOCK_DETECT);
		1425	req->env = env;
		1426	req->uint1 = flags;
		1427	req->uint2 = atype;
		1428	REQ_SEND;
		1429	}
		1430
		1431	void
		1432	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1433	CODE:
		1434	{
		1435	dREQ (REQ_ENV_MEMP_SYNC);
		1436	req->env = env;
		1437	REQ_SEND;
		1438	}
		1439
		1440	void
		1441	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1442	CODE:
		1443	{
		1444	dREQ (REQ_ENV_MEMP_TRICKLE);
		1445	req->env = env;
		1446	req->int1 = percent;
		1447	REQ_SEND;
		1448	}
		1449
		1450
1139	DB *	1451	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1452	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1453	CODE:
1142	{	1454	{
1143	errno = db_create (&RETVAL, env, flags);	1455	errno = db_create (&RETVAL, env, flags);
…		…
1149	}	1461	}
1150	OUTPUT:	1462	OUTPUT:
1151	RETVAL	1463	RETVAL
1152		1464
1153	void	1465	void
1154	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1466	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1155	CODE:	1467	CODE:
1156	{	1468	{
1157	dREQ (REQ_DB_OPEN);	1469	dREQ (REQ_DB_OPEN);
1158	req->db = db;	1470	req->db = db;
1159	req->txn = txnid;	1471	req->txn = txnid;
…		…
1199	req->uint1 = flags;	1511	req->uint1 = flags;
1200	REQ_SEND;	1512	REQ_SEND;
1201	}	1513	}
1202		1514
1203	void	1515	void
		1516	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1517	CODE:
		1518	{
		1519	dREQ (REQ_DB_SYNC);
		1520	req->db = db;
		1521	req->buf1 = strdup (file);
		1522	req->uint1 = flags;
		1523	REQ_SEND;
		1524	}
		1525
		1526	void
		1527	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1528	CODE:
		1529	{
		1530	dREQ (REQ_DB_KEY_RANGE);
		1531	req->db = db;
		1532	req->txn = txn;
		1533	sv_to_dbt (&req->dbt1, key);
		1534	req->uint1 = flags;
		1535	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1536	REQ_SEND;
		1537	}
		1538
		1539	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1540	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205	CODE:	1541	CODE:
1206	{	1542	{
1207	dREQ (REQ_DB_PUT);	1543	dREQ (REQ_DB_PUT);
1208	req->db = db;	1544	req->db = db;
…		…
1214	}	1550	}
1215		1551
1216	void	1552	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1553	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1218	CODE:	1554	CODE:
		1555	if (SvREADONLY (data))
		1556	croak ("can't modify read-only data scalar in db_get");
1219	{	1557	{
1220	dREQ (REQ_DB_GET);	1558	dREQ (REQ_DB_GET);
1221	req->db = db;	1559	req->db = db;
1222	req->txn = txn;	1560	req->txn = txn;
1223	req->uint1 = flags;	1561	req->uint1 = flags;
…		…
1228	}	1566	}
1229		1567
1230	void	1568	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1569	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1232	CODE:	1570	CODE:
		1571	if (SvREADONLY (data))
		1572	croak ("can't modify read-only data scalar in db_pget");
1233	{	1573	{
1234	dREQ (REQ_DB_PGET);	1574	dREQ (REQ_DB_PGET);
1235	req->db = db;	1575	req->db = db;
1236	req->txn = txn;	1576	req->txn = txn;
1237	req->uint1 = flags;	1577	req->uint1 = flags;
…		…
1274	REQ_SEND;	1614	REQ_SEND;
1275	ptr_nuke (ST (0));	1615	ptr_nuke (ST (0));
1276	}	1616	}
1277		1617
1278	void	1618	void
		1619	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1620	CODE:
		1621	{
		1622	dREQ (REQ_TXN_FINISH);
		1623	req->txn = txn;
		1624	req->uint1 = flags;
		1625	REQ_SEND;
		1626	ptr_nuke (ST (0));
		1627	}
		1628
		1629	void
1279	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1630	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280	CODE:	1631	CODE:
1281	{	1632	{
1282	dREQ (REQ_C_CLOSE);	1633	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1634	req->dbc = dbc;
…		…
1369	req->uint1 = flags;	1720	req->uint1 = flags;
1370	REQ_SEND;	1721	REQ_SEND;
1371	}	1722	}
1372		1723
1373		1724
		1725	void
		1726	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1727	CODE:
		1728	{
		1729	dREQ (REQ_SEQ_OPEN);
		1730	req->seq = seq;
		1731	req->txn = txnid;
		1732	req->uint1 = flags | DB_THREAD;
		1733	sv_to_dbt (&req->dbt1, key);
		1734	REQ_SEND;
		1735	}
		1736
		1737	void
		1738	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1739	CODE:
		1740	{
		1741	dREQ (REQ_SEQ_CLOSE);
		1742	req->seq = seq;
		1743	req->uint1 = flags;
		1744	REQ_SEND;
		1745	ptr_nuke (ST (0));
		1746	}
		1747
		1748	void
		1749	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)
		1750	CODE:
		1751	{
		1752	dREQ (REQ_SEQ_GET);
		1753	req->seq = seq;
		1754	req->txn = txnid;
		1755	req->int1 = delta;
		1756	req->uint1 = flags;
		1757	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1758	REQ_SEND;
		1759	}
		1760
		1761	void
		1762	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1763	CODE:
		1764	{
		1765	dREQ (REQ_SEQ_REMOVE);
		1766	req->seq = seq;
		1767	req->txn = txnid;
		1768	req->uint1 = flags;
		1769	REQ_SEND;
		1770	}
		1771
		1772
1374	MODULE = BDB PACKAGE = BDB::Env	1773	MODULE = BDB PACKAGE = BDB::Env
1375		1774
1376	void	1775	void
1377	DESTROY (DB_ENV_ornull *env)	1776	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	1777	CODE:
1379	if (env)	1778	if (env)
1380	env->close (env, 0);	1779	env->close (env, 0);
1381		1780
		1781	int set_data_dir (DB_ENV *env, const char *dir)
		1782	CODE:
		1783	RETVAL = env->set_data_dir (env, dir);
		1784	OUTPUT:
		1785	RETVAL
		1786
		1787	int set_tmp_dir (DB_ENV *env, const char *dir)
		1788	CODE:
		1789	RETVAL = env->set_tmp_dir (env, dir);
		1790	OUTPUT:
		1791	RETVAL
		1792
		1793	int set_lg_dir (DB_ENV *env, const char *dir)
		1794	CODE:
		1795	RETVAL = env->set_lg_dir (env, dir);
		1796	OUTPUT:
		1797	RETVAL
		1798
		1799	int set_shm_key (DB_ENV *env, long shm_key)
		1800	CODE:
		1801	RETVAL = env->set_shm_key (env, shm_key);
		1802	OUTPUT:
		1803	RETVAL
		1804
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1805	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	1806	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1807	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	1808	OUTPUT:
1386	RETVAL	1809	RETVAL
1387		1810
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	1811	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	1812	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	1813	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	1814	OUTPUT:
1392	RETVAL	1815	RETVAL
1393		1816
		1817	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1818	CODE:
		1819	env->set_errfile (env, errfile);
		1820
		1821	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1822	CODE:
		1823	env->set_msgfile (env, msgfile);
		1824
		1825	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1826	CODE:
		1827	RETVAL = env->set_verbose (env, which, onoff);
		1828	OUTPUT:
		1829	RETVAL
		1830
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1831	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	1832	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	1833	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	1834	OUTPUT:
1398	RETVAL	1835	RETVAL
1399		1836
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1837	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	1838	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1839	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	1840	OUTPUT:
		1841	RETVAL
		1842
		1843	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1844	CODE:
		1845	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1846	OUTPUT:
		1847	RETVAL
		1848
		1849	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1850	CODE:
		1851	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1852	OUTPUT:
		1853	RETVAL
		1854
		1855	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1856	CODE:
		1857	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1858	OUTPUT:
		1859	RETVAL
		1860
		1861	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1862	CODE:
		1863	RETVAL = env->set_lk_detect (env, detect);
		1864	OUTPUT:
		1865	RETVAL
		1866
		1867	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1868	CODE:
		1869	RETVAL = env->set_lk_max_lockers (env, max);
		1870	OUTPUT:
		1871	RETVAL
		1872
		1873	int set_lk_max_locks (DB_ENV *env, U32 max)
		1874	CODE:
		1875	RETVAL = env->set_lk_max_locks (env, max);
		1876	OUTPUT:
		1877	RETVAL
		1878
		1879	int set_lk_max_objects (DB_ENV *env, U32 max)
		1880	CODE:
		1881	RETVAL = env->set_lk_max_objects (env, max);
		1882	OUTPUT:
		1883	RETVAL
		1884
		1885	int set_lg_bsize (DB_ENV *env, U32 max)
		1886	CODE:
		1887	RETVAL = env->set_lg_bsize (env, max);
		1888	OUTPUT:
		1889	RETVAL
		1890
		1891	int set_lg_max (DB_ENV *env, U32 max)
		1892	CODE:
		1893	RETVAL = env->set_lg_max (env, max);
		1894	OUTPUT:
		1895	RETVAL
		1896
		1897	int mutex_set_max (DB_ENV *env, U32 max)
		1898	CODE:
		1899	RETVAL = env->mutex_set_max (env, max);
		1900	OUTPUT:
		1901	RETVAL
		1902
		1903	int mutex_set_increment (DB_ENV *env, U32 increment)
		1904	CODE:
		1905	RETVAL = env->mutex_set_increment (env, increment);
		1906	OUTPUT:
		1907	RETVAL
		1908
		1909	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1910	CODE:
		1911	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1912	OUTPUT:
		1913	RETVAL
		1914
		1915	int mutex_set_align (DB_ENV *env, U32 align)
		1916	CODE:
		1917	RETVAL = env->mutex_set_align (env, align);
		1918	OUTPUT:
1404	RETVAL	1919	RETVAL
1405		1920
1406	DB_TXN *	1921	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1922	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	1923	CODE:
…		…
1413	RETVAL	1928	RETVAL
1414		1929
1415	MODULE = BDB PACKAGE = BDB::Db	1930	MODULE = BDB PACKAGE = BDB::Db
1416		1931
1417	void	1932	void
1418	DESTROY (DB_ornull *db)	1933	DESTROY (DB_ornuked *db)
1419	CODE:	1934	CODE:
1420	if (db)	1935	if (db)
1421	{	1936	{
1422	SV *env = (SV *)db->app_private;	1937	SV *env = (SV *)db->app_private;
1423	db->close (db, 0);	1938	db->close (db, 0);
…		…
1428	CODE:	1943	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1944	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	1945	OUTPUT:
1431	RETVAL	1946	RETVAL
1432		1947
1433	int set_flags (DB *db, U32 flags);	1948	int set_flags (DB *db, U32 flags)
1434	CODE:	1949	CODE:
1435	RETVAL = db->set_flags (db, flags);	1950	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	1951	OUTPUT:
1437	RETVAL	1952	RETVAL
1438		1953
…		…
1446	CODE:	1961	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	1962	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	1963	OUTPUT:
1449	RETVAL	1964	RETVAL
1450		1965
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	1966	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	1967	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	1968	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	1969	OUTPUT:
1456	RETVAL	1970	RETVAL
1457		1971
1458	int set_re_delim(DB *db, int delim);	1972	int set_re_delim (DB *db, int delim)
1459	CODE:	1973	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	1974	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	1975	OUTPUT:
1462	RETVAL	1976	RETVAL
1463		1977
…		…
1504	if (errno)	2018	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2019	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2020	OUTPUT:
1507	RETVAL	2021	RETVAL
1508		2022
		2023	DB_SEQUENCE *
		2024	sequence (DB *db, U32 flags = 0)
		2025	CODE:
		2026	{
		2027	errno = db_sequence_create (&RETVAL, db, flags);
		2028	if (errno)
		2029	croak ("db_sequence_create: %s", db_strerror (errno));
		2030	}
		2031	OUTPUT:
		2032	RETVAL
		2033
1509		2034
1510	MODULE = BDB PACKAGE = BDB::Txn	2035	MODULE = BDB PACKAGE = BDB::Txn
1511		2036
1512	void	2037	void
1513	DESTROY (DB_TXN_ornull *txn)	2038	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2039	CODE:
1515	if (txn)	2040	if (txn)
1516	txn->abort (txn);	2041	txn->abort (txn);
1517		2042
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2043	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2044	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2045	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2046	OUTPUT:
1522	RETVAL	2047	RETVAL
1523		2048
		2049	int failed (DB_TXN *txn)
		2050	CODE:
		2051	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2052	OUTPUT:
		2053	RETVAL
		2054
1524		2055
1525	MODULE = BDB PACKAGE = BDB::Cursor	2056	MODULE = BDB PACKAGE = BDB::Cursor
1526		2057
1527	void	2058	void
1528	DESTROY (DBC_ornull *dbc)	2059	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2060	CODE:
1530	if (dbc)	2061	if (dbc)
1531	dbc->c_close (dbc);	2062	dbc->c_close (dbc);
1532		2063
		2064	#if DB_VERSION_MINOR >= 6
		2065
		2066	int set_priority (DBC *dbc, int priority)
		2067	CODE:
		2068	dbc->set_priority (dbc, priority);
		2069
		2070	#endif
		2071
		2072	MODULE = BDB PACKAGE = BDB::Sequence
		2073
		2074	void
		2075	DESTROY (DB_SEQUENCE_ornuked *seq)
		2076	CODE:
		2077	if (seq)
		2078	seq->close (seq, 0);
		2079
		2080	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2081	CODE:
		2082	RETVAL = seq->initial_value (seq, value);
		2083	OUTPUT:
		2084	RETVAL
		2085
		2086	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2087	CODE:
		2088	RETVAL = seq->set_cachesize (seq, size);
		2089	OUTPUT:
		2090	RETVAL
		2091
		2092	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2093	CODE:
		2094	RETVAL = seq->set_flags (seq, flags);
		2095	OUTPUT:
		2096	RETVAL
		2097
		2098	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2099	CODE:
		2100	RETVAL = seq->set_range (seq, min, max);
		2101	OUTPUT:
		2102	RETVAL
		2103
		2104

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