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Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.32 by root, Sun Mar 30 04:36:51 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.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	42	typedef DB DB_ornull;
		43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		44
		45	typedef DB_ENV DB_ENV_ornuked;
		46	typedef DB_TXN DB_TXN_ornuked;
		47	typedef DBC DBC_ornuked;
		48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
49		50
50	typedef SV SV8; /* byte-sv, used for argument-checking */	51	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	52	typedef char *octetstring;
52		53
53	static SV *prepare_cb;	54	static SV *prepare_cb;
54		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
		64	#endif
		65
		66	static void
		67	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		68	{
		69	printf ("err[%s]\n", msg);
		70	}
		71
		72	static void
		73	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		74	{
		75	printf ("msg[%s]\n", msg);
		76	}
		77
55	static inline char *	78	static char *
56	strdup_ornull (const char *s)	79	strdup_ornull (const char *s)
57	{	80	{
58	return s ? strdup (s) : 0;	81	return s ? strdup (s) : 0;
59	}	82	}
60		83
61	static inline void	84	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	85	sv_to_dbt (DBT *dbt, SV *sv)
63	{	86	{
64	STRLEN len;	87	STRLEN len;
65	char *data = SvPVbyte (sv, len);	88	char *data = SvPVbyte (sv, len);
66		89
…		…
68	memcpy (dbt->data, data, len);	91	memcpy (dbt->data, data, len);
69	dbt->size = len;	92	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	93	dbt->flags = DB_DBT_REALLOC;
71	}	94	}
72		95
73	static inline void	96	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	97	dbt_to_sv (SV *sv, DBT *dbt)
75	{	98	{
76	if (sv)	99	if (sv)
77	{	100	{
78	SvREADONLY_off (sv);	101	SvREADONLY_off (sv);
…		…
83	free (dbt->data);	106	free (dbt->data);
84	}	107	}
85		108
86	enum {	109	enum {
87	REQ_QUIT,	110	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	111	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		112	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,	113	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		114	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	115	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,	116	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		117	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	118	};
93		119
94	typedef struct aio_cb	120	typedef struct bdb_cb
95	{	121	{
96	struct aio_cb *volatile next;	122	struct bdb_cb *volatile next;
97	SV *callback;	123	SV *callback;
98	int type, pri, result;	124	int type, pri, result;
99		125
100	DB_ENV *env;	126	DB_ENV *env;
101	DB *db;	127	DB *db;
…		…
107	U32 uint1, uint2;	133	U32 uint1, uint2;
108	char *buf1, *buf2;	134	char *buf1, *buf2;
109	SV *sv1, *sv2, *sv3;	135	SV *sv1, *sv2, *sv3;
110		136
111	DBT dbt1, dbt2, dbt3;	137	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	138	DB_KEY_RANGE key_range;
		139	DB_SEQUENCE *seq;
		140	db_seq_t seq_t;
		141	} bdb_cb;
113		142
114	typedef aio_cb *aio_req;	143	typedef bdb_cb *bdb_req;
115		144
116	enum {	145	enum {
117	PRI_MIN = -4,	146	PRI_MIN = -4,
118	PRI_MAX = 4,	147	PRI_MAX = 4,
119		148
…		…
136		165
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	166	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		167
139	static unsigned int started, idle, wanted;	168	static unsigned int started, idle, wanted;
140		169
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 */	170	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	171	static mutex_t wrklock = X_MUTEX_INIT;
152		172
153	typedef struct worker {	173	typedef struct worker {
154	/* locked by wrklock */	174	/* locked by wrklock */
155	struct worker *prev, *next;	175	struct worker *prev, *next;
156		176
157	pthread_t tid;	177	thread_t tid;
158		178
159	/* locked by reslock, reqlock or wrklock */	179	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	180	bdb_req req; /* currently processed request */
161	void *dbuf;	181	void *dbuf;
162	DIR *dirp;	182	DIR *dirp;
163	} worker;	183	} worker;
164		184
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	185	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	197	}
178		198
179	static volatile unsigned int nreqs, nready, npending;	199	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	200	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	201	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	202	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		203
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	204	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	205	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	206	static cond_t reqwait = X_COND_INIT;
187		207
188	#if WORDACCESS_UNSAFE	208	#if WORDACCESS_UNSAFE
189		209
190	static unsigned int get_nready ()	210	static unsigned int get_nready ()
191	{	211	{
192	unsigned int retval;	212	unsigned int retval;
193		213
194	LOCK (reqlock);	214	X_LOCK (reqlock);
195	retval = nready;	215	retval = nready;
196	UNLOCK (reqlock);	216	X_UNLOCK (reqlock);
197		217
198	return retval;	218	return retval;
199	}	219	}
200		220
201	static unsigned int get_npending ()	221	static unsigned int get_npending ()
202	{	222	{
203	unsigned int retval;	223	unsigned int retval;
204		224
205	LOCK (reslock);	225	X_LOCK (reslock);
206	retval = npending;	226	retval = npending;
207	UNLOCK (reslock);	227	X_UNLOCK (reslock);
208		228
209	return retval;	229	return retval;
210	}	230	}
211		231
212	static unsigned int get_nthreads ()	232	static unsigned int get_nthreads ()
213	{	233	{
214	unsigned int retval;	234	unsigned int retval;
215		235
216	LOCK (wrklock);	236	X_LOCK (wrklock);
217	retval = started;	237	retval = started;
218	UNLOCK (wrklock);	238	X_UNLOCK (wrklock);
219		239
220	return retval;	240	return retval;
221	}	241	}
222		242
223	#else	243	#else
…		…
232	* a somewhat faster data structure might be nice, but	252	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	253	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	254	* per shift, the most expensive operation.
235	*/	255	*/
236	typedef struct {	256	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	257	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	258	int size;
239	} reqq;	259	} reqq;
240		260
241	static reqq req_queue;	261	static reqq req_queue;
242	static reqq res_queue;	262	static reqq res_queue;
243		263
244	int reqq_push (reqq *q, aio_req req)	264	int reqq_push (reqq *q, bdb_req req)
245	{	265	{
246	int pri = req->pri;	266	int pri = req->pri;
247	req->next = 0;	267	req->next = 0;
248		268
249	if (q->qe[pri])	269	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	275	q->qe[pri] = q->qs[pri] = req;
256		276
257	return q->size++;	277	return q->size++;
258	}	278	}
259		279
260	aio_req reqq_shift (reqq *q)	280	bdb_req reqq_shift (reqq *q)
261	{	281	{
262	int pri;	282	int pri;
263		283
264	if (!q->size)	284	if (!q->size)
265	return 0;	285	return 0;
266		286
267	--q->size;	287	--q->size;
268		288
269	for (pri = NUM_PRI; pri--; )	289	for (pri = NUM_PRI; pri--; )
270	{	290	{
271	aio_req req = q->qs[pri];	291	bdb_req req = q->qs[pri];
272		292
273	if (req)	293	if (req)
274	{	294	{
275	if (!(q->qs[pri] = req->next))	295	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	296	q->qe[pri] = 0;
…		…
281		301
282	abort ();	302	abort ();
283	}	303	}
284		304
285	static int poll_cb ();	305	static int poll_cb ();
286	static void req_free (aio_req req);	306	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);	307	static void req_cancel (bdb_req req);
288		308
289	static int req_invoke (aio_req req)	309	static int req_invoke (bdb_req req)
290	{	310	{
291	dSP;	311	dSP;
292		312
293	if (SvOK (req->callback))	313	if (SvOK (req->callback))
294	{	314	{
295	ENTER;	315	ENTER;
296	SAVETMPS;	316	SAVETMPS;
297	PUSHMARK (SP);	317	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		318
300	switch (req->type)	319	switch (req->type)
301	{	320	{
302	case REQ_DB_CLOSE:	321	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	322	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	331	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	332	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	333	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	334	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	335	break;
		336
		337	case REQ_DB_PUT:
		338	case REQ_C_PUT:
		339	dbt_to_sv (0, &req->dbt1);
		340	dbt_to_sv (0, &req->dbt2);
		341	break;
		342
		343	case REQ_DB_KEY_RANGE:
		344	{
		345	AV *av = newAV ();
		346
		347	av_push (av, newSVnv (req->key_range.less));
		348	av_push (av, newSVnv (req->key_range.equal));
		349	av_push (av, newSVnv (req->key_range.greater));
		350
		351	SvREADONLY_off (req->sv1);
		352	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		353	SvREFCNT_dec (req->sv1);
		354	}
		355	break;
		356
		357	case REQ_SEQ_GET:
		358	SvREADONLY_off (req->sv1);
		359
		360	if (sizeof (IV) > 4)
		361	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		362	else
		363	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		364
		365	SvREFCNT_dec (req->sv1);
		366	break;
317	}	367	}
318		368
319	errno = req->result;	369	errno = req->result;
320		370
321	PUTBACK;	371	PUTBACK;
…		…
327	}	377	}
328		378
329	return !SvTRUE (ERRSV);	379	return !SvTRUE (ERRSV);
330	}	380	}
331		381
332	static void req_free (aio_req req)	382	static void req_free (bdb_req req)
333	{	383	{
334	free (req->buf1);	384	free (req->buf1);
335	free (req->buf2);	385	free (req->buf2);
336	Safefree (req);	386	Safefree (req);
337	}	387	}
338		388
339	static void *aio_proc (void *arg);	389	#ifdef USE_SOCKETS_AS_HANDLES
		390	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		391	#else
		392	# define TO_SOCKET(x) (x)
		393	#endif
		394
		395	static void
		396	create_respipe ()
		397	{
		398	#ifdef _WIN32
		399	int arg; /* argg */
		400	#endif
		401	int old_readfd = respipe [0];
		402
		403	if (respipe [1] >= 0)
		404	respipe_close (TO_SOCKET (respipe [1]));
		405
		406	#ifdef _WIN32
		407	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		408	#else
		409	if (pipe (respipe))
		410	#endif
		411	croak ("unable to initialize result pipe");
		412
		413	if (old_readfd >= 0)
		414	{
		415	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		416	croak ("unable to initialize result pipe(2)");
		417
		418	respipe_close (respipe [0]);
		419	respipe [0] = old_readfd;
		420	}
		421
		422	#ifdef _WIN32
		423	arg = 1;
		424	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		425	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		426	#else
		427	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		428	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		429	#endif
		430	croak ("unable to initialize result pipe(3)");
		431
		432	respipe_osf [0] = TO_SOCKET (respipe [0]);
		433	respipe_osf [1] = TO_SOCKET (respipe [1]);
		434	}
		435
		436	X_THREAD_PROC (bdb_proc);
340		437
341	static void start_thread (void)	438	static void start_thread (void)
342	{	439	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	440	worker *wrk = calloc (1, sizeof (worker));
347		441
348	if (!wrk)	442	if (!wrk)
349	croak ("unable to allocate worker thread data");	443	croak ("unable to allocate worker thread data");
350		444
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);	445	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	446	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	447	{
364	wrk->prev = &wrk_first;	448	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	449	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	450	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	451	wrk_first.next = wrk;
368	++started;	452	++started;
369	}	453	}
370	else	454	else
371	free (wrk);	455	free (wrk);
372		456
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	457	X_UNLOCK (wrklock);
375	}	458	}
376		459
377	static void maybe_start_thread ()	460	static void maybe_start_thread ()
378	{	461	{
379	if (get_nthreads () >= wanted)	462	if (get_nthreads () >= wanted)
…		…
384	return;	467	return;
385		468
386	start_thread ();	469	start_thread ();
387	}	470	}
388		471
389	static void req_send (aio_req req)	472	static void req_send (bdb_req req)
390	{	473	{
391	SV *wait_callback = 0;	474	SV *wait_callback = 0;
392		475
393	// synthesize callback if none given	476	// synthesize callback if none given
394	if (!SvOK (req->callback))	477	if (!SvOK (req->callback))
395	{	478	{
		479	int count;
		480
396	dSP;	481	dSP;
397	PUSHMARK (SP);	482	PUSHMARK (SP);
398	PUTBACK;	483	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	484	count = call_sv (prepare_cb, G_ARRAY);
400	SPAGAIN;	485	SPAGAIN;
401		486
402	if (count != 2)	487	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");	488	croak ("prepare callback must return exactly two values\n");
404		489
405	wait_callback = SvREFCNT_inc (POPs);	490	wait_callback = POPs;
406	SvREFCNT_dec (req->callback);	491	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);	492	req->callback = SvREFCNT_inc (POPs);
408	}	493	}
409		494
410	++nreqs;	495	++nreqs;
411		496
412	LOCK (reqlock);	497	X_LOCK (reqlock);
413	++nready;	498	++nready;
414	reqq_push (&req_queue, req);	499	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	500	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	501	X_UNLOCK (reqlock);
417		502
418	maybe_start_thread ();	503	maybe_start_thread ();
419		504
420	if (wait_callback)	505	if (wait_callback)
421	{	506	{
422	dSP;	507	dSP;
423	PUSHMARK (SP);	508	PUSHMARK (SP);
424	PUTBACK;	509	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	510	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	511	}
428	}	512	}
429		513
430	static void end_thread (void)	514	static void end_thread (void)
431	{	515	{
432	aio_req req;	516	bdb_req req;
433		517
434	Newz (0, req, 1, aio_cb);	518	Newz (0, req, 1, bdb_cb);
435		519
436	req->type = REQ_QUIT;	520	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	521	req->pri = PRI_MAX + PRI_BIAS;
438		522
439	LOCK (reqlock);	523	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	524	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	525	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	526	X_UNLOCK (reqlock);
443		527
444	LOCK (wrklock);	528	X_LOCK (wrklock);
445	--started;	529	--started;
446	UNLOCK (wrklock);	530	X_UNLOCK (wrklock);
447	}	531	}
448		532
449	static void set_max_idle (int nthreads)	533	static void set_max_idle (int nthreads)
450	{	534	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	535	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	536	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	537	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	538	}
455		539
456	static void min_parallel (int nthreads)	540	static void min_parallel (int nthreads)
457	{	541	{
458	if (wanted < nthreads)	542	if (wanted < nthreads)
…		…
473	fd_set rfd;	557	fd_set rfd;
474		558
475	while (nreqs)	559	while (nreqs)
476	{	560	{
477	int size;	561	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	562	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	563	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	564	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		565
482	if (size)	566	if (size)
483	return;	567	return;
484		568
485	maybe_start_thread ();	569	maybe_start_thread ();
486		570
487	FD_ZERO(&rfd);	571	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	572	FD_SET (respipe [0], &rfd);
489		573
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	574	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	575	}
492	}	576	}
493		577
494	static int poll_cb ()	578	static int poll_cb ()
495	{	579	{
496	dSP;	580	dSP;
497	int count = 0;	581	int count = 0;
498	int maxreqs = max_poll_reqs;	582	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	583	int do_croak = 0;
500	struct timeval tv_start, tv_now;	584	struct timeval tv_start, tv_now;
501	aio_req req;	585	bdb_req req;
502		586
503	if (max_poll_time)	587	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	588	gettimeofday (&tv_start, 0);
505		589
506	for (;;)	590	for (;;)
507	{	591	{
508	for (;;)	592	for (;;)
509	{	593	{
510	maybe_start_thread ();	594	maybe_start_thread ();
511		595
512	LOCK (reslock);	596	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	597	req = reqq_shift (&res_queue);
514		598
515	if (req)	599	if (req)
516	{	600	{
517	--npending;	601	--npending;
518		602
519	if (!res_queue.size)	603	if (!res_queue.size)
520	{	604	{
521	/* read any signals sent by the worker threads */	605	/* read any signals sent by the worker threads */
522	char buf [4];	606	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	607	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	608	;
525	}	609	}
526	}	610	}
527		611
528	UNLOCK (reslock);	612	X_UNLOCK (reslock);
529		613
530	if (!req)	614	if (!req)
531	break;	615	break;
532		616
533	--nreqs;	617	--nreqs;
…		…
563	}	647	}
564		648
565	return count;	649	return count;
566	}	650	}
567		651
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	/*****************************************************************************/	652	/*****************************************************************************/
581		653
582	static void *aio_proc (void *thr_arg)	654	X_THREAD_PROC (bdb_proc)
583	{	655	{
584	aio_req req;	656	bdb_req req;
585	struct timespec ts;	657	struct timespec ts;
586	worker *self = (worker *)thr_arg;	658	worker *self = (worker *)thr_arg;
587		659
588	/* try to distribute timeouts somewhat evenly */	660	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	661	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		662
592	for (;;)	663	for (;;)
593	{	664	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	665	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		666
596	LOCK (reqlock);	667	X_LOCK (reqlock);
597		668
598	for (;;)	669	for (;;)
599	{	670	{
600	self->req = req = reqq_shift (&req_queue);	671	self->req = req = reqq_shift (&req_queue);
601		672
602	if (req)	673	if (req)
603	break;	674	break;
604		675
605	++idle;	676	++idle;
606		677
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	678	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	679	== ETIMEDOUT)
609	{	680	{
610	if (idle > max_idle)	681	if (idle > max_idle)
611	{	682	{
612	--idle;	683	--idle;
613	UNLOCK (reqlock);	684	X_UNLOCK (reqlock);
614	LOCK (wrklock);	685	X_LOCK (wrklock);
615	--started;	686	--started;
616	UNLOCK (wrklock);	687	X_UNLOCK (wrklock);
617	goto quit;	688	goto quit;
618	}	689	}
619		690
620	/* we are allowed to idle, so do so without any timeout */	691	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	692	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	693	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	694	}
624		695
625	--idle;	696	--idle;
626	}	697	}
627		698
628	--nready;	699	--nready;
629		700
630	UNLOCK (reqlock);	701	X_UNLOCK (reqlock);
631		702
632	switch (req->type)	703	switch (req->type)
633	{	704	{
634	case REQ_QUIT:	705	case REQ_QUIT:
		706	req->result = ENOSYS;
635	goto quit;	707	goto quit;
636		708
637	case REQ_ENV_OPEN:	709	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	710	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;	711	break;
640		712
641	case REQ_ENV_CLOSE:	713	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);	714	req->result = req->env->close (req->env, req->uint1);
643	break;	715	break;
644		716
		717	case REQ_ENV_TXN_CHECKPOINT:
		718	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		719	break;
		720
		721	case REQ_ENV_LOCK_DETECT:
		722	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		723	break;
		724
		725	case REQ_ENV_MEMP_SYNC:
		726	req->result = req->env->memp_sync (req->env, 0);
		727	break;
		728
		729	case REQ_ENV_MEMP_TRICKLE:
		730	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		731	break;
		732
645	case REQ_DB_OPEN:	733	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	734	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;	735	break;
648		736
649	case REQ_DB_CLOSE:	737	case REQ_DB_CLOSE:
…		…
656		744
657	case REQ_DB_SYNC:	745	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);	746	req->result = req->db->sync (req->db, req->uint1);
659	break;	747	break;
660		748
		749	case REQ_DB_UPGRADE:
		750	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		751	break;
		752
661	case REQ_DB_PUT:	753	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	754	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;	755	break;
664		756
665	case REQ_DB_GET:	757	case REQ_DB_GET:
…		…
672		764
673	case REQ_DB_DEL:	765	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);	766	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;	767	break;
676		768
		769	case REQ_DB_KEY_RANGE:
		770	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		771	break;
		772
677	case REQ_TXN_COMMIT:	773	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);	774	req->result = req->txn->commit (req->txn, req->uint1);
679	break;	775	break;
680		776
681	case REQ_TXN_ABORT:	777	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);	778	req->result = req->txn->abort (req->txn);
		779	break;
		780
		781	case REQ_TXN_FINISH:
		782	if (req->txn->flags & TXN_DEADLOCK)
		783	{
		784	req->result = req->txn->abort (req->txn);
		785	if (!req->result)
		786	req->result = DB_LOCK_DEADLOCK;
		787	}
		788	else
		789	req->result = req->txn->commit (req->txn, req->uint1);
683	break;	790	break;
684		791
685	case REQ_C_CLOSE:	792	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);	793	req->result = req->dbc->c_close (req->dbc);
687	break;	794	break;
…		…
708		815
709	case REQ_C_DEL:	816	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);	817	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;	818	break;
712		819
		820	case REQ_SEQ_OPEN:
		821	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		822	break;
		823
		824	case REQ_SEQ_CLOSE:
		825	req->result = req->seq->close (req->seq, req->uint1);
		826	break;
		827
		828	case REQ_SEQ_GET:
		829	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		830	break;
		831
		832	case REQ_SEQ_REMOVE:
		833	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		834	break;
		835
713	default:	836	default:
714	req->result = ENOSYS;	837	req->result = ENOSYS;
715	break;	838	break;
716	}	839	}
717		840
		841	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		842	req->txn->flags |= TXN_DEADLOCK;
		843
718	LOCK (reslock);	844	X_LOCK (reslock);
719		845
720	++npending;	846	++npending;
721		847
722	if (!reqq_push (&res_queue, req))	848	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	849	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	850	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		851
726	self->req = 0;	852	self->req = 0;
727	worker_clear (self);	853	worker_clear (self);
728		854
729	UNLOCK (reslock);	855	X_UNLOCK (reslock);
730	}	856	}
731		857
732	quit:	858	quit:
733	LOCK (wrklock);	859	X_LOCK (wrklock);
734	worker_free (self);	860	worker_free (self);
735	UNLOCK (wrklock);	861	X_UNLOCK (wrklock);
736		862
737	return 0;	863	return 0;
738	}	864	}
739		865
740	/*****************************************************************************/	866	/*****************************************************************************/
741		867
742	static void atfork_prepare (void)	868	static void atfork_prepare (void)
743	{	869	{
744	LOCK (wrklock);	870	X_LOCK (wrklock);
745	LOCK (reqlock);	871	X_LOCK (reqlock);
746	LOCK (reslock);	872	X_LOCK (reslock);
747	}	873	}
748		874
749	static void atfork_parent (void)	875	static void atfork_parent (void)
750	{	876	{
751	UNLOCK (reslock);	877	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	878	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	879	X_UNLOCK (wrklock);
754	}	880	}
755		881
756	static void atfork_child (void)	882	static void atfork_child (void)
757	{	883	{
758	aio_req prv;	884	bdb_req prv;
759		885
760	while (prv = reqq_shift (&req_queue))	886	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	887	req_free (prv);
762		888
763	while (prv = reqq_shift (&res_queue))	889	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	904	idle = 0;
779	nreqs = 0;	905	nreqs = 0;
780	nready = 0;	906	nready = 0;
781	npending = 0;	907	npending = 0;
782		908
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	909	create_respipe ();
786		910
787	atfork_parent ();	911	atfork_parent ();
788	}	912	}
789		913
790	#define dREQ(reqtype) \	914	#define dREQ(reqtype) \
791	aio_req req; \	915	bdb_req req; \
792	int req_pri = next_pri; \	916	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	917	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	918	\
795	if (SvOK (callback) && !SvROK (callback)) \	919	if (SvOK (callback) && !SvROK (callback)) \
796	croak ("callback must be undef or of reference type"); \	920	croak ("callback must be undef or of reference type"); \
797	\	921	\
798	Newz (0, req, 1, aio_cb); \	922	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	923	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	924	croak ("out of memory during bdb_req allocation"); \
801	\	925	\
802	req->callback = newSVsv (callback); \	926	req->callback = newSVsv (callback); \
803	req->type = (reqtype); \	927	req->type = (reqtype); \
804	req->pri = req_pri	928	req->pri = req_pri
805		929
806	#define REQ_SEND \	930	#define REQ_SEND \
807	req_send (req)	931	req_send (req)
808		932
809	#define SvPTR(var, arg, type, class, nullok) \	933	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	934	if (!SvOK (arg)) \
811	{ \	935	{ \
812	if (!nullok) \	936	if (nullok != 1) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	937	croak (# var " must be a " # class " object, not undef"); \
814	\	938	\
815	(var) = 0; \	939	(var) = 0; \
816	} \	940	} \
817	else if (sv_derived_from ((arg), # class)) \	941	else if (sv_derived_from ((arg), # class)) \
818	{ \	942	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	943	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	944	(var) = INT2PTR (type, tmp); \
821	if (!var) \	945	if (!var && nullok != 2) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	946	croak (# var " is not a valid " # class " object anymore"); \
823	} \	947	} \
824	else \	948	else \
825	Perl_croak (# var " is not of type " # class); \	949	croak (# var " is not of type " # class); \
826	\	950	\
827		951
828	static void	952	static void
829	ptr_nuke (SV *sv)	953	ptr_nuke (SV *sv)
830	{	954	{
831	assert (SvROK (sv));	955	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	956	sv_setiv (SvRV (sv), 0);
		957	}
		958
		959	static int
		960	errno_get (pTHX_ SV *sv, MAGIC *mg)
		961	{
		962	if (*mg->mg_ptr == '!') // should always be the case
		963	if (-30999 <= errno && errno <= -30800)
		964	{
		965	sv_setnv (sv, (NV)errno);
		966	sv_setpv (sv, db_strerror (errno));
		967	SvNOK_on (sv); /* what a wonderful hack! */
		968	// ^^^ copied from perl sources
		969	return 0;
		970	}
		971
		972	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		973	}
		974
		975	static MGVTBL vtbl_errno;
		976
		977	// this wonderful hack :( patches perl's $! variable to support our errno values
		978	static void
		979	patch_errno (void)
		980	{
		981	SV *sv;
		982	MAGIC *mg;
		983
		984	if (!(sv = get_sv ("!", 1)))
		985	return;
		986
		987	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		988	return;
		989
		990	if (mg->mg_virtual != &PL_vtbl_sv)
		991	return;
		992
		993	vtbl_errno = PL_vtbl_sv;
		994	vtbl_errno.svt_get = errno_get;
		995	mg->mg_virtual = &vtbl_errno;
833	}	996	}
834		997
835	MODULE = BDB PACKAGE = BDB	998	MODULE = BDB PACKAGE = BDB
836		999
837	PROTOTYPES: ENABLE	1000	PROTOTYPES: ENABLE
…		…
854	const_iv (INIT_TXN)	1017	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1018	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1019	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1020	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1021	const_iv (CREATE)
		1022	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1023	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1024	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1025	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1026	const_iv (PRIVATE)
863	const_iv (REGISTER)	1027	const_iv (REGISTER)
…		…
869	const_iv (DSYNC_DB)	1033	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)	1034	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)	1035	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)	1036	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1037	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1038	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1039	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1040	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1041	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1042	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1043	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1044	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1045	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1046	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1047	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1048	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1049	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1050	const_iv (XA_CREATE)
…		…
895	const_iv (READ_UNCOMMITTED)	1058	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1059	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1060	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1061	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1062	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1063	const_iv (DUP)
902	const_iv (DUPSORT)	1064	const_iv (DUPSORT)
903	const_iv (RECNUM)	1065	const_iv (RECNUM)
904	const_iv (RENUMBER)	1066	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1067	const_iv (REVSPLITOFF)
…		…
910	const_iv (GET_BOTH_RANGE)	1072	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1073	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1074	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1075	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1076	const_iv (JOIN_ITEM)
		1077	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1078	const_iv (RMW)
916		1079
917	const_iv (NOTFOUND)	1080	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1081	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1082	const_iv (LOCK_DEADLOCK)
…		…
930	const_iv (APPEND)	1093	const_iv (APPEND)
931	const_iv (NODUPDATA)	1094	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1095	const_iv (NOOVERWRITE)
933		1096
934	const_iv (TXN_NOWAIT)	1097	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1098	const_iv (TXN_SYNC)
937		1099
938	const_iv (SET_LOCK_TIMEOUT)	1100	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1101	const_iv (SET_TXN_TIMEOUT)
940		1102
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1103	const_iv (FIRST)
943	const_iv (NEXT)	1104	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1105	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1106	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1107	const_iv (PREV)
…		…
952	const_iv (AFTER)	1113	const_iv (AFTER)
953	const_iv (CURRENT)	1114	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1115	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1116	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1117	const_iv (NODUPDATA)
		1118
		1119	const_iv (FORCE)
		1120
		1121	const_iv (LOCK_DEFAULT)
		1122	const_iv (LOCK_EXPIRE)
		1123	const_iv (LOCK_MAXLOCKS)
		1124	const_iv (LOCK_MAXWRITE)
		1125	const_iv (LOCK_MINLOCKS)
		1126	const_iv (LOCK_MINWRITE)
		1127	const_iv (LOCK_OLDEST)
		1128	const_iv (LOCK_RANDOM)
		1129	const_iv (LOCK_YOUNGEST)
		1130
		1131	const_iv (SEQ_DEC)
		1132	const_iv (SEQ_INC)
		1133	const_iv (SEQ_WRAP)
		1134
		1135	const_iv (BUFFER_SMALL)
		1136	const_iv (DONOTINDEX)
		1137	const_iv (KEYEMPTY )
		1138	const_iv (KEYEXIST )
		1139	const_iv (LOCK_DEADLOCK)
		1140	const_iv (LOCK_NOTGRANTED)
		1141	const_iv (LOG_BUFFER_FULL)
		1142	const_iv (NOSERVER)
		1143	const_iv (NOSERVER_HOME)
		1144	const_iv (NOSERVER_ID)
		1145	const_iv (NOTFOUND)
		1146	const_iv (PAGE_NOTFOUND)
		1147	const_iv (REP_DUPMASTER)
		1148	const_iv (REP_HANDLE_DEAD)
		1149	const_iv (REP_HOLDELECTION)
		1150	const_iv (REP_IGNORE)
		1151	const_iv (REP_ISPERM)
		1152	const_iv (REP_JOIN_FAILURE)
		1153	const_iv (REP_LOCKOUT)
		1154	const_iv (REP_NEWMASTER)
		1155	const_iv (REP_NEWSITE)
		1156	const_iv (REP_NOTPERM)
		1157	const_iv (REP_UNAVAIL)
		1158	const_iv (RUNRECOVERY)
		1159	const_iv (SECONDARY_BAD)
		1160	const_iv (VERIFY_BAD)
		1161	const_iv (VERSION_MISMATCH)
		1162
		1163	const_iv (VERB_DEADLOCK)
		1164	const_iv (VERB_RECOVERY)
		1165	const_iv (VERB_REGISTER)
		1166	const_iv (VERB_REPLICATION)
		1167	const_iv (VERB_WAITSFOR)
		1168
		1169	const_iv (VERSION_MAJOR)
		1170	const_iv (VERSION_MINOR)
		1171	const_iv (VERSION_PATCH)
		1172	#if DB_VERSION_MINOR >= 5
		1173	const_iv (MULTIVERSION)
		1174	const_iv (TXN_SNAPSHOT)
		1175	#endif
		1176	#if DB_VERSION_MINOR >= 6
		1177	const_iv (PREV_DUP)
		1178	const_iv (PRIORITY_UNCHANGED)
		1179	const_iv (PRIORITY_VERY_LOW)
		1180	const_iv (PRIORITY_LOW)
		1181	const_iv (PRIORITY_DEFAULT)
		1182	const_iv (PRIORITY_HIGH)
		1183	const_iv (PRIORITY_VERY_HIGH)
		1184	#endif
957	};	1185	};
958		1186
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1187	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1188	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1189
962	create_pipe ();	1190	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1191	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1192
		1193	create_respipe ();
		1194
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1195	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1196	#ifdef _WIN32
		1197	X_MUTEX_CHECK (wrklock);
		1198	X_MUTEX_CHECK (reslock);
		1199	X_MUTEX_CHECK (reqlock);
		1200
		1201	X_COND_CHECK (reqwait);
		1202	#endif
		1203	patch_errno ();
964	}	1204	}
965		1205
966	void	1206	void
967	max_poll_reqs (int nreqs)	1207	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1208	PROTOTYPE: $
…		…
1087		1327
1088	int	1328	int
1089	nthreads ()	1329	nthreads ()
1090	PROTOTYPE:	1330	PROTOTYPE:
1091	CODE:	1331	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1332	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1333	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1334	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1335	OUTPUT:
1096	RETVAL	1336	RETVAL
1097		1337
1098	void	1338	void
1099	set_sync_prepare (SV *cb)	1339	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1340	PROTOTYPE: &
1101	CODE:	1341	CODE:
1102	SvREFCNT_dec (prepare_cb);	1342	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1343	prepare_cb = newSVsv (cb);
		1344
		1345	char *
		1346	strerror (int errorno = errno)
		1347	PROTOTYPE: ;$
		1348	CODE:
		1349	RETVAL = db_strerror (errorno);
		1350	OUTPUT:
		1351	RETVAL
1104		1352
1105	DB_ENV *	1353	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1354	db_env_create (U32 env_flags = 0)
1107	CODE:	1355	CODE:
1108	{	1356	{
1109	errno = db_env_create (&RETVAL, env_flags);	1357	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1358	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1359	croak ("db_env_create: %s", db_strerror (errno));
		1360
		1361	if (0)
		1362	{
		1363	RETVAL->set_errcall (RETVAL, debug_errcall);
		1364	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1365	}
1112	}	1366	}
1113	OUTPUT:	1367	OUTPUT:
1114	RETVAL	1368	RETVAL
1115		1369
1116	void	1370	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1371	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118	CODE:	1372	CODE:
1119	{	1373	{
1120	dREQ (REQ_ENV_OPEN);	1374	dREQ (REQ_ENV_OPEN);
		1375
1121	req->env = env;	1376	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1377	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1378	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1379	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1380	REQ_SEND;
…		…
1133	req->env = env;	1388	req->env = env;
1134	req->uint1 = flags;	1389	req->uint1 = flags;
1135	REQ_SEND;	1390	REQ_SEND;
1136	ptr_nuke (ST (0));	1391	ptr_nuke (ST (0));
1137	}	1392	}
		1393
		1394	void
		1395	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1396	CODE:
		1397	{
		1398	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1399	req->env = env;
		1400	req->uint1 = kbyte;
		1401	req->int1 = min;
		1402	req->uint2 = flags;
		1403	REQ_SEND;
		1404	}
		1405
		1406	void
		1407	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1408	CODE:
		1409	{
		1410	dREQ (REQ_ENV_LOCK_DETECT);
		1411	req->env = env;
		1412	req->uint1 = flags;
		1413	req->uint2 = atype;
		1414	REQ_SEND;
		1415	}
		1416
		1417	void
		1418	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1419	CODE:
		1420	{
		1421	dREQ (REQ_ENV_MEMP_SYNC);
		1422	req->env = env;
		1423	REQ_SEND;
		1424	}
		1425
		1426	void
		1427	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1428	CODE:
		1429	{
		1430	dREQ (REQ_ENV_MEMP_TRICKLE);
		1431	req->env = env;
		1432	req->int1 = percent;
		1433	REQ_SEND;
		1434	}
		1435
1138		1436
1139	DB *	1437	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1438	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1439	CODE:
1142	{	1440	{
…		…
1199	req->uint1 = flags;	1497	req->uint1 = flags;
1200	REQ_SEND;	1498	REQ_SEND;
1201	}	1499	}
1202		1500
1203	void	1501	void
		1502	db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1503	CODE:
		1504	{
		1505	dREQ (REQ_DB_SYNC);
		1506	req->db = db;
		1507	req->buf1 = strdup (file);
		1508	req->uint1 = flags;
		1509	REQ_SEND;
		1510	}
		1511
		1512	void
		1513	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1514	CODE:
		1515	{
		1516	dREQ (REQ_DB_KEY_RANGE);
		1517	req->db = db;
		1518	req->txn = txn;
		1519	sv_to_dbt (&req->dbt1, key);
		1520	req->uint1 = flags;
		1521	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1522	REQ_SEND;
		1523	}
		1524
		1525	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1526	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205	CODE:	1527	CODE:
1206	{	1528	{
1207	dREQ (REQ_DB_PUT);	1529	dREQ (REQ_DB_PUT);
1208	req->db = db;	1530	req->db = db;
…		…
1214	}	1536	}
1215		1537
1216	void	1538	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1539	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1218	CODE:	1540	CODE:
		1541	if (SvREADONLY (data))
		1542	croak ("can't modify read-only data scalar in db_get");
1219	{	1543	{
1220	dREQ (REQ_DB_GET);	1544	dREQ (REQ_DB_GET);
1221	req->db = db;	1545	req->db = db;
1222	req->txn = txn;	1546	req->txn = txn;
1223	req->uint1 = flags;	1547	req->uint1 = flags;
…		…
1228	}	1552	}
1229		1553
1230	void	1554	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1555	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1232	CODE:	1556	CODE:
		1557	if (SvREADONLY (data))
		1558	croak ("can't modify read-only data scalar in db_pget");
1233	{	1559	{
1234	dREQ (REQ_DB_PGET);	1560	dREQ (REQ_DB_PGET);
1235	req->db = db;	1561	req->db = db;
1236	req->txn = txn;	1562	req->txn = txn;
1237	req->uint1 = flags;	1563	req->uint1 = flags;
…		…
1274	REQ_SEND;	1600	REQ_SEND;
1275	ptr_nuke (ST (0));	1601	ptr_nuke (ST (0));
1276	}	1602	}
1277		1603
1278	void	1604	void
		1605	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1606	CODE:
		1607	{
		1608	dREQ (REQ_TXN_FINISH);
		1609	req->txn = txn;
		1610	req->uint1 = flags;
		1611	REQ_SEND;
		1612	ptr_nuke (ST (0));
		1613	}
		1614
		1615	void
1279	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1616	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280	CODE:	1617	CODE:
1281	{	1618	{
1282	dREQ (REQ_C_CLOSE);	1619	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1620	req->dbc = dbc;
…		…
1369	req->uint1 = flags;	1706	req->uint1 = flags;
1370	REQ_SEND;	1707	REQ_SEND;
1371	}	1708	}
1372		1709
1373		1710
		1711	void
		1712	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1713	CODE:
		1714	{
		1715	dREQ (REQ_SEQ_OPEN);
		1716	req->seq = seq;
		1717	req->txn = txnid;
		1718	req->uint1 = flags | DB_THREAD;
		1719	sv_to_dbt (&req->dbt1, key);
		1720	REQ_SEND;
		1721	}
		1722
		1723	void
		1724	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1725	CODE:
		1726	{
		1727	dREQ (REQ_SEQ_CLOSE);
		1728	req->seq = seq;
		1729	req->uint1 = flags;
		1730	REQ_SEND;
		1731	ptr_nuke (ST (0));
		1732	}
		1733
		1734	void
		1735	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)
		1736	CODE:
		1737	{
		1738	dREQ (REQ_SEQ_GET);
		1739	req->seq = seq;
		1740	req->txn = txnid;
		1741	req->int1 = delta;
		1742	req->uint1 = flags;
		1743	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1744	REQ_SEND;
		1745	}
		1746
		1747	void
		1748	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1749	CODE:
		1750	{
		1751	dREQ (REQ_SEQ_REMOVE);
		1752	req->seq = seq;
		1753	req->txn = txnid;
		1754	req->uint1 = flags;
		1755	REQ_SEND;
		1756	}
		1757
		1758
1374	MODULE = BDB PACKAGE = BDB::Env	1759	MODULE = BDB PACKAGE = BDB::Env
1375		1760
1376	void	1761	void
1377	DESTROY (DB_ENV_ornull *env)	1762	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	1763	CODE:
1379	if (env)	1764	if (env)
1380	env->close (env, 0);	1765	env->close (env, 0);
1381		1766
		1767	int set_data_dir (DB_ENV *env, const char *dir)
		1768	CODE:
		1769	RETVAL = env->set_data_dir (env, dir);
		1770	OUTPUT:
		1771	RETVAL
		1772
		1773	int set_tmp_dir (DB_ENV *env, const char *dir)
		1774	CODE:
		1775	RETVAL = env->set_tmp_dir (env, dir);
		1776	OUTPUT:
		1777	RETVAL
		1778
		1779	int set_lg_dir (DB_ENV *env, const char *dir)
		1780	CODE:
		1781	RETVAL = env->set_lg_dir (env, dir);
		1782	OUTPUT:
		1783	RETVAL
		1784
		1785	int set_shm_key (DB_ENV *env, long shm_key)
		1786	CODE:
		1787	RETVAL = env->set_shm_key (env, shm_key);
		1788	OUTPUT:
		1789	RETVAL
		1790
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1791	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	1792	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1793	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	1794	OUTPUT:
1386	RETVAL	1795	RETVAL
1387		1796
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	1797	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	1798	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	1799	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	1800	OUTPUT:
1392	RETVAL	1801	RETVAL
1393		1802
		1803	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1804	CODE:
		1805	env->set_errfile (env, errfile);
		1806
		1807	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1808	CODE:
		1809	env->set_msgfile (env, msgfile);
		1810
		1811	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1812	CODE:
		1813	RETVAL = env->set_verbose (env, which, onoff);
		1814	OUTPUT:
		1815	RETVAL
		1816
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1817	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	1818	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	1819	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	1820	OUTPUT:
1398	RETVAL	1821	RETVAL
1399		1822
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1823	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	1824	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1825	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	1826	OUTPUT:
		1827	RETVAL
		1828
		1829	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1830	CODE:
		1831	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1832	OUTPUT:
		1833	RETVAL
		1834
		1835	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1836	CODE:
		1837	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1838	OUTPUT:
		1839	RETVAL
		1840
		1841	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1842	CODE:
		1843	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1844	OUTPUT:
		1845	RETVAL
		1846
		1847	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1848	CODE:
		1849	RETVAL = env->set_lk_detect (env, detect);
		1850	OUTPUT:
		1851	RETVAL
		1852
		1853	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1854	CODE:
		1855	RETVAL = env->set_lk_max_lockers (env, max);
		1856	OUTPUT:
		1857	RETVAL
		1858
		1859	int set_lk_max_locks (DB_ENV *env, U32 max)
		1860	CODE:
		1861	RETVAL = env->set_lk_max_locks (env, max);
		1862	OUTPUT:
		1863	RETVAL
		1864
		1865	int set_lk_max_objects (DB_ENV *env, U32 max)
		1866	CODE:
		1867	RETVAL = env->set_lk_max_objects (env, max);
		1868	OUTPUT:
		1869	RETVAL
		1870
		1871	int set_lg_bsize (DB_ENV *env, U32 max)
		1872	CODE:
		1873	RETVAL = env->set_lg_bsize (env, max);
		1874	OUTPUT:
		1875	RETVAL
		1876
		1877	int set_lg_max (DB_ENV *env, U32 max)
		1878	CODE:
		1879	RETVAL = env->set_lg_max (env, max);
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int mutex_set_max (DB_ENV *env, U32 max)
		1884	CODE:
		1885	RETVAL = env->mutex_set_max (env, max);
		1886	OUTPUT:
		1887	RETVAL
		1888
		1889	int mutex_set_increment (DB_ENV *env, U32 increment)
		1890	CODE:
		1891	RETVAL = env->mutex_set_increment (env, increment);
		1892	OUTPUT:
		1893	RETVAL
		1894
		1895	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1896	CODE:
		1897	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1898	OUTPUT:
		1899	RETVAL
		1900
		1901	int mutex_set_align (DB_ENV *env, U32 align)
		1902	CODE:
		1903	RETVAL = env->mutex_set_align (env, align);
		1904	OUTPUT:
1404	RETVAL	1905	RETVAL
1405		1906
1406	DB_TXN *	1907	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1908	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	1909	CODE:
…		…
1413	RETVAL	1914	RETVAL
1414		1915
1415	MODULE = BDB PACKAGE = BDB::Db	1916	MODULE = BDB PACKAGE = BDB::Db
1416		1917
1417	void	1918	void
1418	DESTROY (DB_ornull *db)	1919	DESTROY (DB_ornuked *db)
1419	CODE:	1920	CODE:
1420	if (db)	1921	if (db)
1421	{	1922	{
1422	SV *env = (SV *)db->app_private;	1923	SV *env = (SV *)db->app_private;
1423	db->close (db, 0);	1924	db->close (db, 0);
…		…
1428	CODE:	1929	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1930	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	1931	OUTPUT:
1431	RETVAL	1932	RETVAL
1432		1933
1433	int set_flags (DB *db, U32 flags);	1934	int set_flags (DB *db, U32 flags)
1434	CODE:	1935	CODE:
1435	RETVAL = db->set_flags (db, flags);	1936	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	1937	OUTPUT:
1437	RETVAL	1938	RETVAL
1438		1939
…		…
1446	CODE:	1947	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	1948	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	1949	OUTPUT:
1449	RETVAL	1950	RETVAL
1450		1951
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	1952	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	1953	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	1954	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	1955	OUTPUT:
1456	RETVAL	1956	RETVAL
1457		1957
1458	int set_re_delim(DB *db, int delim);	1958	int set_re_delim (DB *db, int delim)
1459	CODE:	1959	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	1960	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	1961	OUTPUT:
1462	RETVAL	1962	RETVAL
1463		1963
…		…
1504	if (errno)	2004	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2005	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2006	OUTPUT:
1507	RETVAL	2007	RETVAL
1508		2008
		2009	DB_SEQUENCE *
		2010	sequence (DB *db, U32 flags = 0)
		2011	CODE:
		2012	{
		2013	errno = db_sequence_create (&RETVAL, db, flags);
		2014	if (errno)
		2015	croak ("db_sequence_create: %s", db_strerror (errno));
		2016	}
		2017	OUTPUT:
		2018	RETVAL
		2019
1509		2020
1510	MODULE = BDB PACKAGE = BDB::Txn	2021	MODULE = BDB PACKAGE = BDB::Txn
1511		2022
1512	void	2023	void
1513	DESTROY (DB_TXN_ornull *txn)	2024	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2025	CODE:
1515	if (txn)	2026	if (txn)
1516	txn->abort (txn);	2027	txn->abort (txn);
1517		2028
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2029	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2030	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2031	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2032	OUTPUT:
1522	RETVAL	2033	RETVAL
1523		2034
		2035	int failed (DB_TXN *txn)
		2036	CODE:
		2037	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2038	OUTPUT:
		2039	RETVAL
		2040
1524		2041
1525	MODULE = BDB PACKAGE = BDB::Cursor	2042	MODULE = BDB PACKAGE = BDB::Cursor
1526		2043
1527	void	2044	void
1528	DESTROY (DBC_ornull *dbc)	2045	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2046	CODE:
1530	if (dbc)	2047	if (dbc)
1531	dbc->c_close (dbc);	2048	dbc->c_close (dbc);
1532		2049
		2050	#if DB_VERSION_MINOR >= 6
		2051
		2052	int set_priority (DBC *dbc, int priority)
		2053	CODE:
		2054	dbc->set_priority (dbc, priority);
		2055
		2056	#endif
		2057
		2058	MODULE = BDB PACKAGE = BDB::Sequence
		2059
		2060	void
		2061	DESTROY (DB_SEQUENCE_ornuked *seq)
		2062	CODE:
		2063	if (seq)
		2064	seq->close (seq, 0);
		2065
		2066	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2067	CODE:
		2068	RETVAL = seq->initial_value (seq, value);
		2069	OUTPUT:
		2070	RETVAL
		2071
		2072	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2073	CODE:
		2074	RETVAL = seq->set_cachesize (seq, size);
		2075	OUTPUT:
		2076	RETVAL
		2077
		2078	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2079	CODE:
		2080	RETVAL = seq->set_flags (seq, flags);
		2081	OUTPUT:
		2082	RETVAL
		2083
		2084	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2085	CODE:
		2086	RETVAL = seq->set_range (seq, min, max);
		2087	OUTPUT:
		2088	RETVAL
		2089
		2090

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