ViewVC Help

View File | Revision Log | Show Annotations | Download File

/cvs/BDB/BDB.xs

Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.29 by root, Tue Dec 25 14:23:21 2007 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
		31
		32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	42	typedef DB DB_ornull;
		43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
49		44
50	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	46	typedef char *octetstring;
52		47
53	static SV *prepare_cb;	48	static SV *prepare_cb;
54		49
		50	#if DB_VERSION_MINOR >= 6
		51	# define c_close close
		52	# define c_count count
		53	# define c_del del
		54	# define c_dup dup
		55	# define c_get get
		56	# define c_pget pget
		57	# define c_put put
		58	#endif
		59
		60	static void
		61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		62	{
		63	printf ("err[%s]\n", msg);
		64	}
		65
		66	static void
		67	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		68	{
		69	printf ("msg[%s]\n", msg);
		70	}
		71
55	static inline char *	72	static char *
56	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
57	{	74	{
58	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
59	}	76	}
60		77
61	static inline void	78	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	79	sv_to_dbt (DBT *dbt, SV *sv)
63	{	80	{
64	STRLEN len;	81	STRLEN len;
65	char *data = SvPVbyte (sv, len);	82	char *data = SvPVbyte (sv, len);
66		83
…		…
68	memcpy (dbt->data, data, len);	85	memcpy (dbt->data, data, len);
69	dbt->size = len;	86	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	87	dbt->flags = DB_DBT_REALLOC;
71	}	88	}
72		89
73	static inline void	90	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	91	dbt_to_sv (SV *sv, DBT *dbt)
75	{	92	{
76	if (sv)	93	if (sv)
77	{	94	{
78	SvREADONLY_off (sv);	95	SvREADONLY_off (sv);
…		…
83	free (dbt->data);	100	free (dbt->data);
84	}	101	}
85		102
86	enum {	103	enum {
87	REQ_QUIT,	104	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
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,	107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	109	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,	110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	112	};
93		113
94	typedef struct aio_cb	114	typedef struct bdb_cb
95	{	115	{
96	struct aio_cb *volatile next;	116	struct bdb_cb *volatile next;
97	SV *callback;	117	SV *callback;
98	int type, pri, result;	118	int type, pri, result;
99		119
100	DB_ENV *env;	120	DB_ENV *env;
101	DB *db;	121	DB *db;
…		…
107	U32 uint1, uint2;	127	U32 uint1, uint2;
108	char *buf1, *buf2;	128	char *buf1, *buf2;
109	SV *sv1, *sv2, *sv3;	129	SV *sv1, *sv2, *sv3;
110		130
111	DBT dbt1, dbt2, dbt3;	131	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	132	DB_KEY_RANGE key_range;
		133	DB_SEQUENCE *seq;
		134	db_seq_t seq_t;
		135	} bdb_cb;
113		136
114	typedef aio_cb *aio_req;	137	typedef bdb_cb *bdb_req;
115		138
116	enum {	139	enum {
117	PRI_MIN = -4,	140	PRI_MIN = -4,
118	PRI_MAX = 4,	141	PRI_MAX = 4,
119		142
…		…
136		159
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		161
139	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
140		163
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 */	164	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
152		166
153	typedef struct worker {	167	typedef struct worker {
154	/* locked by wrklock */	168	/* locked by wrklock */
155	struct worker *prev, *next;	169	struct worker *prev, *next;
156		170
157	pthread_t tid;	171	thread_t tid;
158		172
159	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	174	bdb_req req; /* currently processed request */
161	void *dbuf;	175	void *dbuf;
162	DIR *dirp;	176	DIR *dirp;
163	} worker;	177	} worker;
164		178
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	191	}
178		192
179	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		197
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
187		201
188	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
189		203
190	static unsigned int get_nready ()	204	static unsigned int get_nready ()
191	{	205	{
192	unsigned int retval;	206	unsigned int retval;
193		207
194	LOCK (reqlock);	208	X_LOCK (reqlock);
195	retval = nready;	209	retval = nready;
196	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
197		211
198	return retval;	212	return retval;
199	}	213	}
200		214
201	static unsigned int get_npending ()	215	static unsigned int get_npending ()
202	{	216	{
203	unsigned int retval;	217	unsigned int retval;
204		218
205	LOCK (reslock);	219	X_LOCK (reslock);
206	retval = npending;	220	retval = npending;
207	UNLOCK (reslock);	221	X_UNLOCK (reslock);
208		222
209	return retval;	223	return retval;
210	}	224	}
211		225
212	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
213	{	227	{
214	unsigned int retval;	228	unsigned int retval;
215		229
216	LOCK (wrklock);	230	X_LOCK (wrklock);
217	retval = started;	231	retval = started;
218	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
219		233
220	return retval;	234	return retval;
221	}	235	}
222		236
223	#else	237	#else
…		…
232	* a somewhat faster data structure might be nice, but	246	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	247	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	248	* per shift, the most expensive operation.
235	*/	249	*/
236	typedef struct {	250	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	251	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	252	int size;
239	} reqq;	253	} reqq;
240		254
241	static reqq req_queue;	255	static reqq req_queue;
242	static reqq res_queue;	256	static reqq res_queue;
243		257
244	int reqq_push (reqq *q, aio_req req)	258	int reqq_push (reqq *q, bdb_req req)
245	{	259	{
246	int pri = req->pri;	260	int pri = req->pri;
247	req->next = 0;	261	req->next = 0;
248		262
249	if (q->qe[pri])	263	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	269	q->qe[pri] = q->qs[pri] = req;
256		270
257	return q->size++;	271	return q->size++;
258	}	272	}
259		273
260	aio_req reqq_shift (reqq *q)	274	bdb_req reqq_shift (reqq *q)
261	{	275	{
262	int pri;	276	int pri;
263		277
264	if (!q->size)	278	if (!q->size)
265	return 0;	279	return 0;
266		280
267	--q->size;	281	--q->size;
268		282
269	for (pri = NUM_PRI; pri--; )	283	for (pri = NUM_PRI; pri--; )
270	{	284	{
271	aio_req req = q->qs[pri];	285	bdb_req req = q->qs[pri];
272		286
273	if (req)	287	if (req)
274	{	288	{
275	if (!(q->qs[pri] = req->next))	289	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	290	q->qe[pri] = 0;
…		…
281		295
282	abort ();	296	abort ();
283	}	297	}
284		298
285	static int poll_cb ();	299	static int poll_cb ();
286	static void req_free (aio_req req);	300	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);	301	static void req_cancel (bdb_req req);
288		302
289	static int req_invoke (aio_req req)	303	static int req_invoke (bdb_req req)
290	{	304	{
291	dSP;	305	dSP;
292		306
293	if (SvOK (req->callback))	307	if (SvOK (req->callback))
294	{	308	{
295	ENTER;	309	ENTER;
296	SAVETMPS;	310	SAVETMPS;
297	PUSHMARK (SP);	311	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		312
300	switch (req->type)	313	switch (req->type)
301	{	314	{
302	case REQ_DB_CLOSE:	315	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	316	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	325	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	326	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	327	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	328	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	329	break;
		330
		331	case REQ_DB_PUT:
		332	case REQ_C_PUT:
		333	dbt_to_sv (0, &req->dbt1);
		334	dbt_to_sv (0, &req->dbt2);
		335	break;
		336
		337	case REQ_DB_KEY_RANGE:
		338	{
		339	AV *av = newAV ();
		340
		341	av_push (av, newSVnv (req->key_range.less));
		342	av_push (av, newSVnv (req->key_range.equal));
		343	av_push (av, newSVnv (req->key_range.greater));
		344
		345	SvREADONLY_off (req->sv1);
		346	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		347	SvREFCNT_dec (req->sv1);
		348	}
		349	break;
		350
		351	case REQ_SEQ_GET:
		352	SvREADONLY_off (req->sv1);
		353
		354	if (sizeof (IV) > 4)
		355	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		356	else
		357	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		358
		359	SvREFCNT_dec (req->sv1);
		360	break;
317	}	361	}
318		362
319	errno = req->result;	363	errno = req->result;
320		364
321	PUTBACK;	365	PUTBACK;
…		…
327	}	371	}
328		372
329	return !SvTRUE (ERRSV);	373	return !SvTRUE (ERRSV);
330	}	374	}
331		375
332	static void req_free (aio_req req)	376	static void req_free (bdb_req req)
333	{	377	{
334	free (req->buf1);	378	free (req->buf1);
335	free (req->buf2);	379	free (req->buf2);
336	Safefree (req);	380	Safefree (req);
337	}	381	}
338		382
339	static void *aio_proc (void *arg);	383	#ifdef USE_SOCKETS_AS_HANDLES
		384	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		385	#else
		386	# define TO_SOCKET(x) (x)
		387	#endif
		388
		389	static void
		390	create_respipe ()
		391	{
		392	#ifdef _WIN32
		393	int arg; /* argg */
		394	#endif
		395	int old_readfd = respipe [0];
		396
		397	if (respipe [1] >= 0)
		398	respipe_close (TO_SOCKET (respipe [1]));
		399
		400	#ifdef _WIN32
		401	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		402	#else
		403	if (pipe (respipe))
		404	#endif
		405	croak ("unable to initialize result pipe");
		406
		407	if (old_readfd >= 0)
		408	{
		409	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		410	croak ("unable to initialize result pipe(2)");
		411
		412	respipe_close (respipe [0]);
		413	respipe [0] = old_readfd;
		414	}
		415
		416	#ifdef _WIN32
		417	arg = 1;
		418	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		419	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		420	#else
		421	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		422	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		423	#endif
		424	croak ("unable to initialize result pipe(3)");
		425
		426	respipe_osf [0] = TO_SOCKET (respipe [0]);
		427	respipe_osf [1] = TO_SOCKET (respipe [1]);
		428	}
		429
		430	X_THREAD_PROC (bdb_proc);
340		431
341	static void start_thread (void)	432	static void start_thread (void)
342	{	433	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	434	worker *wrk = calloc (1, sizeof (worker));
347		435
348	if (!wrk)	436	if (!wrk)
349	croak ("unable to allocate worker thread data");	437	croak ("unable to allocate worker thread data");
350		438
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);	439	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	440	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	441	{
364	wrk->prev = &wrk_first;	442	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	443	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	444	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	445	wrk_first.next = wrk;
368	++started;	446	++started;
369	}	447	}
370	else	448	else
371	free (wrk);	449	free (wrk);
372		450
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	451	X_UNLOCK (wrklock);
375	}	452	}
376		453
377	static void maybe_start_thread ()	454	static void maybe_start_thread ()
378	{	455	{
379	if (get_nthreads () >= wanted)	456	if (get_nthreads () >= wanted)
…		…
384	return;	461	return;
385		462
386	start_thread ();	463	start_thread ();
387	}	464	}
388		465
389	static void req_send (aio_req req)	466	static void req_send (bdb_req req)
390	{	467	{
391	SV *wait_callback = 0;	468	SV *wait_callback = 0;
392		469
393	// synthesize callback if none given	470	// synthesize callback if none given
394	if (!SvOK (req->callback))	471	if (!SvOK (req->callback))
395	{	472	{
		473	int count;
		474
396	dSP;	475	dSP;
397	PUSHMARK (SP);	476	PUSHMARK (SP);
398	PUTBACK;	477	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	478	count = call_sv (prepare_cb, G_ARRAY);
400	SPAGAIN;	479	SPAGAIN;
401		480
402	if (count != 2)	481	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");	482	croak ("prepare callback must return exactly two values\n");
404		483
405	wait_callback = SvREFCNT_inc (POPs);	484	wait_callback = POPs;
406	SvREFCNT_dec (req->callback);	485	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);	486	req->callback = SvREFCNT_inc (POPs);
408	}	487	}
409		488
410	++nreqs;	489	++nreqs;
411		490
412	LOCK (reqlock);	491	X_LOCK (reqlock);
413	++nready;	492	++nready;
414	reqq_push (&req_queue, req);	493	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	494	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	495	X_UNLOCK (reqlock);
417		496
418	maybe_start_thread ();	497	maybe_start_thread ();
419		498
420	if (wait_callback)	499	if (wait_callback)
421	{	500	{
422	dSP;	501	dSP;
423	PUSHMARK (SP);	502	PUSHMARK (SP);
424	PUTBACK;	503	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	504	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	505	}
428	}	506	}
429		507
430	static void end_thread (void)	508	static void end_thread (void)
431	{	509	{
432	aio_req req;	510	bdb_req req;
433		511
434	Newz (0, req, 1, aio_cb);	512	Newz (0, req, 1, bdb_cb);
435		513
436	req->type = REQ_QUIT;	514	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	515	req->pri = PRI_MAX + PRI_BIAS;
438		516
439	LOCK (reqlock);	517	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	518	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	519	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	520	X_UNLOCK (reqlock);
443		521
444	LOCK (wrklock);	522	X_LOCK (wrklock);
445	--started;	523	--started;
446	UNLOCK (wrklock);	524	X_UNLOCK (wrklock);
447	}	525	}
448		526
449	static void set_max_idle (int nthreads)	527	static void set_max_idle (int nthreads)
450	{	528	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	529	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	530	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	531	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	532	}
455		533
456	static void min_parallel (int nthreads)	534	static void min_parallel (int nthreads)
457	{	535	{
458	if (wanted < nthreads)	536	if (wanted < nthreads)
…		…
473	fd_set rfd;	551	fd_set rfd;
474		552
475	while (nreqs)	553	while (nreqs)
476	{	554	{
477	int size;	555	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	556	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	557	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	558	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		559
482	if (size)	560	if (size)
483	return;	561	return;
484		562
485	maybe_start_thread ();	563	maybe_start_thread ();
486		564
487	FD_ZERO(&rfd);	565	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	566	FD_SET (respipe [0], &rfd);
489		567
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	568	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	569	}
492	}	570	}
493		571
494	static int poll_cb ()	572	static int poll_cb ()
495	{	573	{
496	dSP;	574	dSP;
497	int count = 0;	575	int count = 0;
498	int maxreqs = max_poll_reqs;	576	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	577	int do_croak = 0;
500	struct timeval tv_start, tv_now;	578	struct timeval tv_start, tv_now;
501	aio_req req;	579	bdb_req req;
502		580
503	if (max_poll_time)	581	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	582	gettimeofday (&tv_start, 0);
505		583
506	for (;;)	584	for (;;)
507	{	585	{
508	for (;;)	586	for (;;)
509	{	587	{
510	maybe_start_thread ();	588	maybe_start_thread ();
511		589
512	LOCK (reslock);	590	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	591	req = reqq_shift (&res_queue);
514		592
515	if (req)	593	if (req)
516	{	594	{
517	--npending;	595	--npending;
518		596
519	if (!res_queue.size)	597	if (!res_queue.size)
520	{	598	{
521	/* read any signals sent by the worker threads */	599	/* read any signals sent by the worker threads */
522	char buf [4];	600	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	601	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	602	;
525	}	603	}
526	}	604	}
527		605
528	UNLOCK (reslock);	606	X_UNLOCK (reslock);
529		607
530	if (!req)	608	if (!req)
531	break;	609	break;
532		610
533	--nreqs;	611	--nreqs;
…		…
563	}	641	}
564		642
565	return count;	643	return count;
566	}	644	}
567		645
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	/*****************************************************************************/	646	/*****************************************************************************/
581		647
582	static void *aio_proc (void *thr_arg)	648	X_THREAD_PROC (bdb_proc)
583	{	649	{
584	aio_req req;	650	bdb_req req;
585	struct timespec ts;	651	struct timespec ts;
586	worker *self = (worker *)thr_arg;	652	worker *self = (worker *)thr_arg;
587		653
588	/* try to distribute timeouts somewhat evenly */	654	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	655	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		656
592	for (;;)	657	for (;;)
593	{	658	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	659	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		660
596	LOCK (reqlock);	661	X_LOCK (reqlock);
597		662
598	for (;;)	663	for (;;)
599	{	664	{
600	self->req = req = reqq_shift (&req_queue);	665	self->req = req = reqq_shift (&req_queue);
601		666
602	if (req)	667	if (req)
603	break;	668	break;
604		669
605	++idle;	670	++idle;
606		671
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	672	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	673	== ETIMEDOUT)
609	{	674	{
610	if (idle > max_idle)	675	if (idle > max_idle)
611	{	676	{
612	--idle;	677	--idle;
613	UNLOCK (reqlock);	678	X_UNLOCK (reqlock);
614	LOCK (wrklock);	679	X_LOCK (wrklock);
615	--started;	680	--started;
616	UNLOCK (wrklock);	681	X_UNLOCK (wrklock);
617	goto quit;	682	goto quit;
618	}	683	}
619		684
620	/* we are allowed to idle, so do so without any timeout */	685	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	686	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	687	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	688	}
624		689
625	--idle;	690	--idle;
626	}	691	}
627		692
628	--nready;	693	--nready;
629		694
630	UNLOCK (reqlock);	695	X_UNLOCK (reqlock);
631		696
632	switch (req->type)	697	switch (req->type)
633	{	698	{
634	case REQ_QUIT:	699	case REQ_QUIT:
		700	req->result = ENOSYS;
635	goto quit;	701	goto quit;
636		702
637	case REQ_ENV_OPEN:	703	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	704	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;	705	break;
640		706
641	case REQ_ENV_CLOSE:	707	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);	708	req->result = req->env->close (req->env, req->uint1);
643	break;	709	break;
644		710
		711	case REQ_ENV_TXN_CHECKPOINT:
		712	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		713	break;
		714
		715	case REQ_ENV_LOCK_DETECT:
		716	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		717	break;
		718
		719	case REQ_ENV_MEMP_SYNC:
		720	req->result = req->env->memp_sync (req->env, 0);
		721	break;
		722
		723	case REQ_ENV_MEMP_TRICKLE:
		724	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		725	break;
		726
645	case REQ_DB_OPEN:	727	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	728	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;	729	break;
648		730
649	case REQ_DB_CLOSE:	731	case REQ_DB_CLOSE:
…		…
656		738
657	case REQ_DB_SYNC:	739	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);	740	req->result = req->db->sync (req->db, req->uint1);
659	break;	741	break;
660		742
		743	case REQ_DB_UPGRADE:
		744	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		745	break;
		746
661	case REQ_DB_PUT:	747	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	748	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;	749	break;
664		750
665	case REQ_DB_GET:	751	case REQ_DB_GET:
…		…
672		758
673	case REQ_DB_DEL:	759	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);	760	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;	761	break;
676		762
		763	case REQ_DB_KEY_RANGE:
		764	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		765	break;
		766
677	case REQ_TXN_COMMIT:	767	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);	768	req->result = req->txn->commit (req->txn, req->uint1);
679	break;	769	break;
680		770
681	case REQ_TXN_ABORT:	771	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);	772	req->result = req->txn->abort (req->txn);
		773	break;
		774
		775	case REQ_TXN_FINISH:
		776	if (req->txn->flags & TXN_DEADLOCK)
		777	{
		778	req->result = req->txn->abort (req->txn);
		779	if (!req->result)
		780	req->result = DB_LOCK_DEADLOCK;
		781	}
		782	else
		783	req->result = req->txn->commit (req->txn, req->uint1);
683	break;	784	break;
684		785
685	case REQ_C_CLOSE:	786	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);	787	req->result = req->dbc->c_close (req->dbc);
687	break;	788	break;
…		…
708		809
709	case REQ_C_DEL:	810	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);	811	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;	812	break;
712		813
		814	case REQ_SEQ_OPEN:
		815	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		816	break;
		817
		818	case REQ_SEQ_CLOSE:
		819	req->result = req->seq->close (req->seq, req->uint1);
		820	break;
		821
		822	case REQ_SEQ_GET:
		823	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		824	break;
		825
		826	case REQ_SEQ_REMOVE:
		827	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		828	break;
		829
713	default:	830	default:
714	req->result = ENOSYS;	831	req->result = ENOSYS;
715	break;	832	break;
716	}	833	}
717		834
		835	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		836	req->txn->flags |= TXN_DEADLOCK;
		837
718	LOCK (reslock);	838	X_LOCK (reslock);
719		839
720	++npending;	840	++npending;
721		841
722	if (!reqq_push (&res_queue, req))	842	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	843	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	844	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		845
726	self->req = 0;	846	self->req = 0;
727	worker_clear (self);	847	worker_clear (self);
728		848
729	UNLOCK (reslock);	849	X_UNLOCK (reslock);
730	}	850	}
731		851
732	quit:	852	quit:
733	LOCK (wrklock);	853	X_LOCK (wrklock);
734	worker_free (self);	854	worker_free (self);
735	UNLOCK (wrklock);	855	X_UNLOCK (wrklock);
736		856
737	return 0;	857	return 0;
738	}	858	}
739		859
740	/*****************************************************************************/	860	/*****************************************************************************/
741		861
742	static void atfork_prepare (void)	862	static void atfork_prepare (void)
743	{	863	{
744	LOCK (wrklock);	864	X_LOCK (wrklock);
745	LOCK (reqlock);	865	X_LOCK (reqlock);
746	LOCK (reslock);	866	X_LOCK (reslock);
747	}	867	}
748		868
749	static void atfork_parent (void)	869	static void atfork_parent (void)
750	{	870	{
751	UNLOCK (reslock);	871	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	872	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	873	X_UNLOCK (wrklock);
754	}	874	}
755		875
756	static void atfork_child (void)	876	static void atfork_child (void)
757	{	877	{
758	aio_req prv;	878	bdb_req prv;
759		879
760	while (prv = reqq_shift (&req_queue))	880	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	881	req_free (prv);
762		882
763	while (prv = reqq_shift (&res_queue))	883	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	898	idle = 0;
779	nreqs = 0;	899	nreqs = 0;
780	nready = 0;	900	nready = 0;
781	npending = 0;	901	npending = 0;
782		902
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	903	create_respipe ();
786		904
787	atfork_parent ();	905	atfork_parent ();
788	}	906	}
789		907
790	#define dREQ(reqtype) \	908	#define dREQ(reqtype) \
791	aio_req req; \	909	bdb_req req; \
792	int req_pri = next_pri; \	910	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	911	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	912	\
795	if (SvOK (callback) && !SvROK (callback)) \	913	if (SvOK (callback) && !SvROK (callback)) \
796	croak ("callback must be undef or of reference type"); \	914	croak ("callback must be undef or of reference type"); \
797	\	915	\
798	Newz (0, req, 1, aio_cb); \	916	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	917	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	918	croak ("out of memory during bdb_req allocation"); \
801	\	919	\
802	req->callback = newSVsv (callback); \	920	req->callback = newSVsv (callback); \
803	req->type = (reqtype); \	921	req->type = (reqtype); \
804	req->pri = req_pri	922	req->pri = req_pri
805		923
…		…
808		926
809	#define SvPTR(var, arg, type, class, nullok) \	927	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	928	if (!SvOK (arg)) \
811	{ \	929	{ \
812	if (!nullok) \	930	if (!nullok) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	931	croak (# var " must be a " # class " object, not undef"); \
814	\	932	\
815	(var) = 0; \	933	(var) = 0; \
816	} \	934	} \
817	else if (sv_derived_from ((arg), # class)) \	935	else if (sv_derived_from ((arg), # class)) \
818	{ \	936	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	937	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	938	(var) = INT2PTR (type, tmp); \
821	if (!var) \	939	if (!var) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	940	croak (# var " is not a valid " # class " object anymore"); \
823	} \	941	} \
824	else \	942	else \
825	Perl_croak (# var " is not of type " # class); \	943	croak (# var " is not of type " # class); \
826	\	944	\
827		945
828	static void	946	static void
829	ptr_nuke (SV *sv)	947	ptr_nuke (SV *sv)
830	{	948	{
…		…
854	const_iv (INIT_TXN)	972	const_iv (INIT_TXN)
855	const_iv (RECOVER)	973	const_iv (RECOVER)
856	const_iv (INIT_TXN)	974	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	975	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	976	const_iv (CREATE)
		977	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	978	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	979	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	980	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	981	const_iv (PRIVATE)
863	const_iv (REGISTER)	982	const_iv (REGISTER)
…		…
869	const_iv (DSYNC_DB)	988	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)	989	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)	990	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)	991	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	992	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	993	const_iv (NOMMAP)
876	const_iv (NOPANIC)	994	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	995	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	996	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	997	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	998	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	999	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1000	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1001	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1002	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1003	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1004	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1005	const_iv (XA_CREATE)
…		…
895	const_iv (READ_UNCOMMITTED)	1013	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1014	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1015	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1016	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1017	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1018	const_iv (DUP)
902	const_iv (DUPSORT)	1019	const_iv (DUPSORT)
903	const_iv (RECNUM)	1020	const_iv (RECNUM)
904	const_iv (RENUMBER)	1021	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1022	const_iv (REVSPLITOFF)
…		…
910	const_iv (GET_BOTH_RANGE)	1027	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1028	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1029	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1030	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1031	const_iv (JOIN_ITEM)
		1032	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1033	const_iv (RMW)
916		1034
917	const_iv (NOTFOUND)	1035	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1036	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1037	const_iv (LOCK_DEADLOCK)
…		…
930	const_iv (APPEND)	1048	const_iv (APPEND)
931	const_iv (NODUPDATA)	1049	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1050	const_iv (NOOVERWRITE)
933		1051
934	const_iv (TXN_NOWAIT)	1052	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1053	const_iv (TXN_SYNC)
937		1054
938	const_iv (SET_LOCK_TIMEOUT)	1055	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1056	const_iv (SET_TXN_TIMEOUT)
940		1057
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1058	const_iv (FIRST)
943	const_iv (NEXT)	1059	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1060	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1061	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1062	const_iv (PREV)
…		…
952	const_iv (AFTER)	1068	const_iv (AFTER)
953	const_iv (CURRENT)	1069	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1070	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1071	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1072	const_iv (NODUPDATA)
		1073
		1074	const_iv (FORCE)
		1075
		1076	const_iv (LOCK_DEFAULT)
		1077	const_iv (LOCK_EXPIRE)
		1078	const_iv (LOCK_MAXLOCKS)
		1079	const_iv (LOCK_MAXWRITE)
		1080	const_iv (LOCK_MINLOCKS)
		1081	const_iv (LOCK_MINWRITE)
		1082	const_iv (LOCK_OLDEST)
		1083	const_iv (LOCK_RANDOM)
		1084	const_iv (LOCK_YOUNGEST)
		1085
		1086	const_iv (SEQ_DEC)
		1087	const_iv (SEQ_INC)
		1088	const_iv (SEQ_WRAP)
		1089
		1090	const_iv (BUFFER_SMALL)
		1091	const_iv (DONOTINDEX)
		1092	const_iv (KEYEMPTY )
		1093	const_iv (KEYEXIST )
		1094	const_iv (LOCK_DEADLOCK)
		1095	const_iv (LOCK_NOTGRANTED)
		1096	const_iv (LOG_BUFFER_FULL)
		1097	const_iv (NOSERVER)
		1098	const_iv (NOSERVER_HOME)
		1099	const_iv (NOSERVER_ID)
		1100	const_iv (NOTFOUND)
		1101	const_iv (PAGE_NOTFOUND)
		1102	const_iv (REP_DUPMASTER)
		1103	const_iv (REP_HANDLE_DEAD)
		1104	const_iv (REP_HOLDELECTION)
		1105	const_iv (REP_IGNORE)
		1106	const_iv (REP_ISPERM)
		1107	const_iv (REP_JOIN_FAILURE)
		1108	const_iv (REP_LOCKOUT)
		1109	const_iv (REP_NEWMASTER)
		1110	const_iv (REP_NEWSITE)
		1111	const_iv (REP_NOTPERM)
		1112	const_iv (REP_UNAVAIL)
		1113	const_iv (RUNRECOVERY)
		1114	const_iv (SECONDARY_BAD)
		1115	const_iv (VERIFY_BAD)
		1116	const_iv (VERSION_MISMATCH)
		1117
		1118	const_iv (VERB_DEADLOCK)
		1119	const_iv (VERB_RECOVERY)
		1120	const_iv (VERB_REGISTER)
		1121	const_iv (VERB_REPLICATION)
		1122	const_iv (VERB_WAITSFOR)
		1123
		1124	const_iv (VERSION_MAJOR)
		1125	const_iv (VERSION_MINOR)
		1126	const_iv (VERSION_PATCH)
		1127	#if DB_VERSION_MINOR >= 5
		1128	const_iv (MULTIVERSION)
		1129	const_iv (TXN_SNAPSHOT)
		1130	#endif
		1131	#if DB_VERSION_MINOR >= 6
		1132	const_iv (PREV_DUP)
		1133	const_iv (PRIORITY_UNCHANGED)
		1134	const_iv (PRIORITY_VERY_LOW)
		1135	const_iv (PRIORITY_LOW)
		1136	const_iv (PRIORITY_DEFAULT)
		1137	const_iv (PRIORITY_HIGH)
		1138	const_iv (PRIORITY_VERY_HIGH)
		1139	#endif
957	};	1140	};
958		1141
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1142	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1143	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1144
962	create_pipe ();	1145	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1146	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1147
		1148	create_respipe ();
		1149
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1150	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1151	#ifdef _WIN32
		1152	X_MUTEX_CHECK (wrklock);
		1153	X_MUTEX_CHECK (reslock);
		1154	X_MUTEX_CHECK (reqlock);
		1155
		1156	X_COND_CHECK (reqwait);
		1157	#endif
964	}	1158	}
965		1159
966	void	1160	void
967	max_poll_reqs (int nreqs)	1161	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1162	PROTOTYPE: $
…		…
1087		1281
1088	int	1282	int
1089	nthreads ()	1283	nthreads ()
1090	PROTOTYPE:	1284	PROTOTYPE:
1091	CODE:	1285	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1286	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1287	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1288	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1289	OUTPUT:
1096	RETVAL	1290	RETVAL
1097		1291
1098	void	1292	void
1099	set_sync_prepare (SV *cb)	1293	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1294	PROTOTYPE: &
1101	CODE:	1295	CODE:
1102	SvREFCNT_dec (prepare_cb);	1296	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1297	prepare_cb = newSVsv (cb);
		1298
		1299	char *
		1300	strerror (int errorno = errno)
		1301	PROTOTYPE: ;$
		1302	CODE:
		1303	RETVAL = db_strerror (errorno);
		1304	OUTPUT:
		1305	RETVAL
1104		1306
1105	DB_ENV *	1307	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1308	db_env_create (U32 env_flags = 0)
1107	CODE:	1309	CODE:
1108	{	1310	{
1109	errno = db_env_create (&RETVAL, env_flags);	1311	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1312	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1313	croak ("db_env_create: %s", db_strerror (errno));
		1314
		1315	if (0)
		1316	{
		1317	RETVAL->set_errcall (RETVAL, debug_errcall);
		1318	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1319	}
1112	}	1320	}
1113	OUTPUT:	1321	OUTPUT:
1114	RETVAL	1322	RETVAL
1115		1323
1116	void	1324	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1325	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118	CODE:	1326	CODE:
1119	{	1327	{
1120	dREQ (REQ_ENV_OPEN);	1328	dREQ (REQ_ENV_OPEN);
		1329
1121	req->env = env;	1330	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1331	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1332	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1333	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1334	REQ_SEND;
…		…
1133	req->env = env;	1342	req->env = env;
1134	req->uint1 = flags;	1343	req->uint1 = flags;
1135	REQ_SEND;	1344	REQ_SEND;
1136	ptr_nuke (ST (0));	1345	ptr_nuke (ST (0));
1137	}	1346	}
		1347
		1348	void
		1349	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1350	CODE:
		1351	{
		1352	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1353	req->env = env;
		1354	req->uint1 = kbyte;
		1355	req->int1 = min;
		1356	req->uint2 = flags;
		1357	REQ_SEND;
		1358	}
		1359
		1360	void
		1361	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1362	CODE:
		1363	{
		1364	dREQ (REQ_ENV_LOCK_DETECT);
		1365	req->env = env;
		1366	req->uint1 = flags;
		1367	req->uint2 = atype;
		1368	REQ_SEND;
		1369	}
		1370
		1371	void
		1372	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1373	CODE:
		1374	{
		1375	dREQ (REQ_ENV_MEMP_SYNC);
		1376	req->env = env;
		1377	REQ_SEND;
		1378	}
		1379
		1380	void
		1381	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1382	CODE:
		1383	{
		1384	dREQ (REQ_ENV_MEMP_TRICKLE);
		1385	req->env = env;
		1386	req->int1 = percent;
		1387	REQ_SEND;
		1388	}
		1389
1138		1390
1139	DB *	1391	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1392	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1393	CODE:
1142	{	1394	{
…		…
1199	req->uint1 = flags;	1451	req->uint1 = flags;
1200	REQ_SEND;	1452	REQ_SEND;
1201	}	1453	}
1202		1454
1203	void	1455	void
		1456	db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1457	CODE:
		1458	{
		1459	dREQ (REQ_DB_SYNC);
		1460	req->db = db;
		1461	req->buf1 = strdup (file);
		1462	req->uint1 = flags;
		1463	REQ_SEND;
		1464	}
		1465
		1466	void
		1467	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1468	CODE:
		1469	{
		1470	dREQ (REQ_DB_KEY_RANGE);
		1471	req->db = db;
		1472	req->txn = txn;
		1473	sv_to_dbt (&req->dbt1, key);
		1474	req->uint1 = flags;
		1475	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1476	REQ_SEND;
		1477	}
		1478
		1479	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1480	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205	CODE:	1481	CODE:
1206	{	1482	{
1207	dREQ (REQ_DB_PUT);	1483	dREQ (REQ_DB_PUT);
1208	req->db = db;	1484	req->db = db;
…		…
1214	}	1490	}
1215		1491
1216	void	1492	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1493	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1218	CODE:	1494	CODE:
		1495	if (SvREADONLY (data))
		1496	croak ("can't modify read-only data scalar in db_get");
1219	{	1497	{
1220	dREQ (REQ_DB_GET);	1498	dREQ (REQ_DB_GET);
1221	req->db = db;	1499	req->db = db;
1222	req->txn = txn;	1500	req->txn = txn;
1223	req->uint1 = flags;	1501	req->uint1 = flags;
…		…
1228	}	1506	}
1229		1507
1230	void	1508	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1509	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1232	CODE:	1510	CODE:
		1511	if (SvREADONLY (data))
		1512	croak ("can't modify read-only data scalar in db_pget");
1233	{	1513	{
1234	dREQ (REQ_DB_PGET);	1514	dREQ (REQ_DB_PGET);
1235	req->db = db;	1515	req->db = db;
1236	req->txn = txn;	1516	req->txn = txn;
1237	req->uint1 = flags;	1517	req->uint1 = flags;
…		…
1274	REQ_SEND;	1554	REQ_SEND;
1275	ptr_nuke (ST (0));	1555	ptr_nuke (ST (0));
1276	}	1556	}
1277		1557
1278	void	1558	void
		1559	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1560	CODE:
		1561	{
		1562	dREQ (REQ_TXN_FINISH);
		1563	req->txn = txn;
		1564	req->uint1 = flags;
		1565	REQ_SEND;
		1566	ptr_nuke (ST (0));
		1567	}
		1568
		1569	void
1279	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1570	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280	CODE:	1571	CODE:
1281	{	1572	{
1282	dREQ (REQ_C_CLOSE);	1573	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1574	req->dbc = dbc;
…		…
1369	req->uint1 = flags;	1660	req->uint1 = flags;
1370	REQ_SEND;	1661	REQ_SEND;
1371	}	1662	}
1372		1663
1373		1664
		1665	void
		1666	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1667	CODE:
		1668	{
		1669	dREQ (REQ_SEQ_OPEN);
		1670	req->seq = seq;
		1671	req->txn = txnid;
		1672	req->uint1 = flags | DB_THREAD;
		1673	sv_to_dbt (&req->dbt1, key);
		1674	REQ_SEND;
		1675	}
		1676
		1677	void
		1678	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1679	CODE:
		1680	{
		1681	dREQ (REQ_SEQ_CLOSE);
		1682	req->seq = seq;
		1683	req->uint1 = flags;
		1684	REQ_SEND;
		1685	ptr_nuke (ST (0));
		1686	}
		1687
		1688	void
		1689	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)
		1690	CODE:
		1691	{
		1692	dREQ (REQ_SEQ_GET);
		1693	req->seq = seq;
		1694	req->txn = txnid;
		1695	req->int1 = delta;
		1696	req->uint1 = flags;
		1697	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1698	REQ_SEND;
		1699	}
		1700
		1701	void
		1702	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1703	CODE:
		1704	{
		1705	dREQ (REQ_SEQ_REMOVE);
		1706	req->seq = seq;
		1707	req->txn = txnid;
		1708	req->uint1 = flags;
		1709	REQ_SEND;
		1710	}
		1711
		1712
1374	MODULE = BDB PACKAGE = BDB::Env	1713	MODULE = BDB PACKAGE = BDB::Env
1375		1714
1376	void	1715	void
1377	DESTROY (DB_ENV_ornull *env)	1716	DESTROY (DB_ENV_ornull *env)
1378	CODE:	1717	CODE:
1379	if (env)	1718	if (env)
1380	env->close (env, 0);	1719	env->close (env, 0);
1381		1720
		1721	int set_data_dir (DB_ENV *env, const char *dir)
		1722	CODE:
		1723	RETVAL = env->set_data_dir (env, dir);
		1724	OUTPUT:
		1725	RETVAL
		1726
		1727	int set_tmp_dir (DB_ENV *env, const char *dir)
		1728	CODE:
		1729	RETVAL = env->set_tmp_dir (env, dir);
		1730	OUTPUT:
		1731	RETVAL
		1732
		1733	int set_lg_dir (DB_ENV *env, const char *dir)
		1734	CODE:
		1735	RETVAL = env->set_lg_dir (env, dir);
		1736	OUTPUT:
		1737	RETVAL
		1738
		1739	int set_shm_key (DB_ENV *env, long shm_key)
		1740	CODE:
		1741	RETVAL = env->set_shm_key (env, shm_key);
		1742	OUTPUT:
		1743	RETVAL
		1744
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1745	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	1746	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1747	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	1748	OUTPUT:
1386	RETVAL	1749	RETVAL
1387		1750
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	1751	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	1752	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	1753	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	1754	OUTPUT:
1392	RETVAL	1755	RETVAL
1393		1756
		1757	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1758	CODE:
		1759	env->set_errfile (env, errfile);
		1760
		1761	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1762	CODE:
		1763	env->set_msgfile (env, msgfile);
		1764
		1765	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1766	CODE:
		1767	RETVAL = env->set_verbose (env, which, onoff);
		1768	OUTPUT:
		1769	RETVAL
		1770
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1771	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	1772	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	1773	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	1774	OUTPUT:
1398	RETVAL	1775	RETVAL
1399		1776
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1777	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	1778	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1779	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	1780	OUTPUT:
		1781	RETVAL
		1782
		1783	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1784	CODE:
		1785	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1786	OUTPUT:
		1787	RETVAL
		1788
		1789	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1790	CODE:
		1791	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1792	OUTPUT:
		1793	RETVAL
		1794
		1795	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1796	CODE:
		1797	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1798	OUTPUT:
		1799	RETVAL
		1800
		1801	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1802	CODE:
		1803	RETVAL = env->set_lk_detect (env, detect);
		1804	OUTPUT:
		1805	RETVAL
		1806
		1807	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1808	CODE:
		1809	RETVAL = env->set_lk_max_lockers (env, max);
		1810	OUTPUT:
		1811	RETVAL
		1812
		1813	int set_lk_max_locks (DB_ENV *env, U32 max)
		1814	CODE:
		1815	RETVAL = env->set_lk_max_locks (env, max);
		1816	OUTPUT:
		1817	RETVAL
		1818
		1819	int set_lk_max_objects (DB_ENV *env, U32 max)
		1820	CODE:
		1821	RETVAL = env->set_lk_max_objects (env, max);
		1822	OUTPUT:
		1823	RETVAL
		1824
		1825	int set_lg_bsize (DB_ENV *env, U32 max)
		1826	CODE:
		1827	RETVAL = env->set_lg_bsize (env, max);
		1828	OUTPUT:
		1829	RETVAL
		1830
		1831	int set_lg_max (DB_ENV *env, U32 max)
		1832	CODE:
		1833	RETVAL = env->set_lg_max (env, max);
		1834	OUTPUT:
		1835	RETVAL
		1836
		1837	int mutex_set_max (DB_ENV *env, U32 max)
		1838	CODE:
		1839	RETVAL = env->mutex_set_max (env, max);
		1840	OUTPUT:
		1841	RETVAL
		1842
		1843	int mutex_set_increment (DB_ENV *env, U32 increment)
		1844	CODE:
		1845	RETVAL = env->mutex_set_increment (env, increment);
		1846	OUTPUT:
		1847	RETVAL
		1848
		1849	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1850	CODE:
		1851	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1852	OUTPUT:
		1853	RETVAL
		1854
		1855	int mutex_set_align (DB_ENV *env, U32 align)
		1856	CODE:
		1857	RETVAL = env->mutex_set_align (env, align);
		1858	OUTPUT:
1404	RETVAL	1859	RETVAL
1405		1860
1406	DB_TXN *	1861	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1862	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	1863	CODE:
…		…
1428	CODE:	1883	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1884	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	1885	OUTPUT:
1431	RETVAL	1886	RETVAL
1432		1887
1433	int set_flags (DB *db, U32 flags);	1888	int set_flags (DB *db, U32 flags)
1434	CODE:	1889	CODE:
1435	RETVAL = db->set_flags (db, flags);	1890	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	1891	OUTPUT:
1437	RETVAL	1892	RETVAL
1438		1893
…		…
1446	CODE:	1901	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	1902	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	1903	OUTPUT:
1449	RETVAL	1904	RETVAL
1450		1905
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	1906	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	1907	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	1908	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	1909	OUTPUT:
1456	RETVAL	1910	RETVAL
1457		1911
1458	int set_re_delim(DB *db, int delim);	1912	int set_re_delim (DB *db, int delim)
1459	CODE:	1913	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	1914	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	1915	OUTPUT:
1462	RETVAL	1916	RETVAL
1463		1917
…		…
1504	if (errno)	1958	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	1959	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	1960	OUTPUT:
1507	RETVAL	1961	RETVAL
1508		1962
		1963	DB_SEQUENCE *
		1964	sequence (DB *db, U32 flags = 0)
		1965	CODE:
		1966	{
		1967	errno = db_sequence_create (&RETVAL, db, flags);
		1968	if (errno)
		1969	croak ("db_sequence_create: %s", db_strerror (errno));
		1970	}
		1971	OUTPUT:
		1972	RETVAL
		1973
1509		1974
1510	MODULE = BDB PACKAGE = BDB::Txn	1975	MODULE = BDB PACKAGE = BDB::Txn
1511		1976
1512	void	1977	void
1513	DESTROY (DB_TXN_ornull *txn)	1978	DESTROY (DB_TXN_ornull *txn)
1514	CODE:	1979	CODE:
1515	if (txn)	1980	if (txn)
1516	txn->abort (txn);	1981	txn->abort (txn);
1517		1982
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	1983	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	1984	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	1985	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1986	OUTPUT:
		1987	RETVAL
		1988
		1989	int failed (DB_TXN *txn)
		1990	CODE:
		1991	RETVAL = !!(txn->flags & TXN_DEADLOCK);
1521	OUTPUT:	1992	OUTPUT:
1522	RETVAL	1993	RETVAL
1523		1994
1524		1995
1525	MODULE = BDB PACKAGE = BDB::Cursor	1996	MODULE = BDB PACKAGE = BDB::Cursor
…		…
1528	DESTROY (DBC_ornull *dbc)	1999	DESTROY (DBC_ornull *dbc)
1529	CODE:	2000	CODE:
1530	if (dbc)	2001	if (dbc)
1531	dbc->c_close (dbc);	2002	dbc->c_close (dbc);
1532		2003
		2004	#if DB_VERSION_MINOR >= 6
		2005
		2006	int set_priority (DBC *dbc, int priority)
		2007	CODE:
		2008	dbc->set_priority (dbc, priority);
		2009
		2010	#endif
		2011
		2012	MODULE = BDB PACKAGE = BDB::Sequence
		2013
		2014	void
		2015	DESTROY (DB_SEQUENCE_ornull *seq)
		2016	CODE:
		2017	if (seq)
		2018	seq->close (seq, 0);
		2019
		2020	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2021	CODE:
		2022	RETVAL = seq->initial_value (seq, value);
		2023	OUTPUT:
		2024	RETVAL
		2025
		2026	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2027	CODE:
		2028	RETVAL = seq->set_cachesize (seq, size);
		2029	OUTPUT:
		2030	RETVAL
		2031
		2032	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2033	CODE:
		2034	RETVAL = seq->set_flags (seq, flags);
		2035	OUTPUT:
		2036	RETVAL
		2037
		2038	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2039	CODE:
		2040	RETVAL = seq->set_range (seq, min, max);
		2041	OUTPUT:
		2042	RETVAL
		2043

Diff Legend

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