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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 2007 UTC vs.
Revision 1.31 by root, Sun Mar 30 04:34:20 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	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
67	dbt->data = malloc (len);	90	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	91	memcpy (dbt->data, data, len);
69	dbt->size = len;	92	dbt->size = len;
		93	dbt->flags = DB_DBT_REALLOC;
70	}	94	}
71		95
72	inline void	96	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	97	dbt_to_sv (SV *sv, DBT *dbt)
74	{	98	{
		99	if (sv)
		100	{
75	SvREADONLY_off (sv);	101	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	102	sv_setpvn_mg (sv, dbt->data, dbt->size);
		103	SvREFCNT_dec (sv);
		104	}
77		105
78	free (dbt->data);	106	free (dbt->data);
79	}	107	}
80		108
81	enum {	109	enum {
82	REQ_QUIT,	110	REQ_QUIT,
83	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,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	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,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	115	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		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,
86	};	118	};
87		119
88	typedef struct aio_cb	120	typedef struct bdb_cb
89	{	121	{
90	struct aio_cb *volatile next;	122	struct bdb_cb *volatile next;
91	SV *callback;	123	SV *callback;
92	int type, pri, result;	124	int type, pri, result;
93		125
94	DB_ENV *env;	126	DB_ENV *env;
95	DB *db;	127	DB *db;
96	DB_TXN *txn;	128	DB_TXN *txn;
97	DBC *cursor;	129	DBC *dbc;
		130
		131	UV uv1;
98	int int1, int2;	132	int int1, int2;
99	U32 uint1, uint2;	133	U32 uint1, uint2;
100	char *buf1, *buf2;	134	char *buf1, *buf2;
101	SV *sv1, *sv2;	135	SV *sv1, *sv2, *sv3;
102		136
103	DBT dbt1, dbt2, dbt3;	137	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	138	DB_KEY_RANGE key_range;
		139	DB_SEQUENCE *seq;
		140	db_seq_t seq_t;
		141	} bdb_cb;
105		142
106	typedef aio_cb *aio_req;	143	typedef bdb_cb *bdb_req;
107		144
108	enum {	145	enum {
109	PRI_MIN = -4,	146	PRI_MIN = -4,
110	PRI_MAX = 4,	147	PRI_MAX = 4,
111		148
…		…
128		165
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	166	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		167
131	static unsigned int started, idle, wanted;	168	static unsigned int started, idle, wanted;
132		169
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	170	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	171	static mutex_t wrklock = X_MUTEX_INIT;
144		172
145	typedef struct worker {	173	typedef struct worker {
146	/* locked by wrklock */	174	/* locked by wrklock */
147	struct worker *prev, *next;	175	struct worker *prev, *next;
148		176
149	pthread_t tid;	177	thread_t tid;
150		178
151	/* locked by reslock, reqlock or wrklock */	179	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	180	bdb_req req; /* currently processed request */
153	void *dbuf;	181	void *dbuf;
154	DIR *dirp;	182	DIR *dirp;
155	} worker;	183	} worker;
156		184
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	185	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	197	}
170		198
171	static volatile unsigned int nreqs, nready, npending;	199	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	200	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	201	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	202	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		203
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	204	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	205	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	206	static cond_t reqwait = X_COND_INIT;
179		207
180	#if WORDACCESS_UNSAFE	208	#if WORDACCESS_UNSAFE
181		209
182	static unsigned int get_nready ()	210	static unsigned int get_nready ()
183	{	211	{
184	unsigned int retval;	212	unsigned int retval;
185		213
186	LOCK (reqlock);	214	X_LOCK (reqlock);
187	retval = nready;	215	retval = nready;
188	UNLOCK (reqlock);	216	X_UNLOCK (reqlock);
189		217
190	return retval;	218	return retval;
191	}	219	}
192		220
193	static unsigned int get_npending ()	221	static unsigned int get_npending ()
194	{	222	{
195	unsigned int retval;	223	unsigned int retval;
196		224
197	LOCK (reslock);	225	X_LOCK (reslock);
198	retval = npending;	226	retval = npending;
199	UNLOCK (reslock);	227	X_UNLOCK (reslock);
200		228
201	return retval;	229	return retval;
202	}	230	}
203		231
204	static unsigned int get_nthreads ()	232	static unsigned int get_nthreads ()
205	{	233	{
206	unsigned int retval;	234	unsigned int retval;
207		235
208	LOCK (wrklock);	236	X_LOCK (wrklock);
209	retval = started;	237	retval = started;
210	UNLOCK (wrklock);	238	X_UNLOCK (wrklock);
211		239
212	return retval;	240	return retval;
213	}	241	}
214		242
215	#else	243	#else
…		…
224	* a somewhat faster data structure might be nice, but	252	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	253	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	254	* per shift, the most expensive operation.
227	*/	255	*/
228	typedef struct {	256	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	257	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	258	int size;
231	} reqq;	259	} reqq;
232		260
233	static reqq req_queue;	261	static reqq req_queue;
234	static reqq res_queue;	262	static reqq res_queue;
235		263
236	int reqq_push (reqq *q, aio_req req)	264	int reqq_push (reqq *q, bdb_req req)
237	{	265	{
238	int pri = req->pri;	266	int pri = req->pri;
239	req->next = 0;	267	req->next = 0;
240		268
241	if (q->qe[pri])	269	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	275	q->qe[pri] = q->qs[pri] = req;
248		276
249	return q->size++;	277	return q->size++;
250	}	278	}
251		279
252	aio_req reqq_shift (reqq *q)	280	bdb_req reqq_shift (reqq *q)
253	{	281	{
254	int pri;	282	int pri;
255		283
256	if (!q->size)	284	if (!q->size)
257	return 0;	285	return 0;
258		286
259	--q->size;	287	--q->size;
260		288
261	for (pri = NUM_PRI; pri--; )	289	for (pri = NUM_PRI; pri--; )
262	{	290	{
263	aio_req req = q->qs[pri];	291	bdb_req req = q->qs[pri];
264		292
265	if (req)	293	if (req)
266	{	294	{
267	if (!(q->qs[pri] = req->next))	295	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	296	q->qe[pri] = 0;
…		…
273		301
274	abort ();	302	abort ();
275	}	303	}
276		304
277	static int poll_cb ();	305	static int poll_cb ();
278	static void req_free (aio_req req);	306	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	307	static void req_cancel (bdb_req req);
280		308
281	static int req_invoke (aio_req req)	309	static int req_invoke (bdb_req req)
282	{	310	{
283	dSP;	311	dSP;
284		312
285	if (SvOK (req->callback))	313	if (SvOK (req->callback))
286	{	314	{
287	ENTER;	315	ENTER;
288	SAVETMPS;	316	SAVETMPS;
289	PUSHMARK (SP);	317	PUSHMARK (SP);
290	EXTEND (SP, 1);
291		318
292	switch (req->type)	319	switch (req->type)
293	{	320	{
		321	case REQ_DB_CLOSE:
		322	SvREFCNT_dec (req->sv1);
		323	break;
		324
294	case REQ_DB_GET:	325	case REQ_DB_GET:
295	case REQ_DB_PGET:	326	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);	327	dbt_to_sv (req->sv3, &req->dbt3);
		328	break;
		329
		330	case REQ_C_GET:
		331	case REQ_C_PGET:
		332	dbt_to_sv (req->sv1, &req->dbt1);
		333	dbt_to_sv (req->sv2, &req->dbt2);
		334	dbt_to_sv (req->sv3, &req->dbt3);
		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));
297	SvREFCNT_dec (req->sv1);	353	SvREFCNT_dec (req->sv1);
298	break;	354	}
		355	break;
299		356
300	case REQ_DB_CLOSE:	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
301	SvREFCNT_dec (req->sv1);	365	SvREFCNT_dec (req->sv1);
302	break;	366	break;
303	}	367	}
304		368
305	errno = req->result;	369	errno = req->result;
…		…
313	}	377	}
314		378
315	return !SvTRUE (ERRSV);	379	return !SvTRUE (ERRSV);
316	}	380	}
317		381
318	static void req_free (aio_req req)	382	static void req_free (bdb_req req)
319	{	383	{
320	free (req->buf1);	384	free (req->buf1);
321	free (req->buf2);	385	free (req->buf2);
322	Safefree (req);	386	Safefree (req);
323	}	387	}
324		388
325	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);
326		437
327	static void start_thread (void)	438	static void start_thread (void)
328	{	439	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	440	worker *wrk = calloc (1, sizeof (worker));
333		441
334	if (!wrk)	442	if (!wrk)
335	croak ("unable to allocate worker thread data");	443	croak ("unable to allocate worker thread data");
336		444
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	445	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	446	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	447	{
350	wrk->prev = &wrk_first;	448	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	449	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	450	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	451	wrk_first.next = wrk;
354	++started;	452	++started;
355	}	453	}
356	else	454	else
357	free (wrk);	455	free (wrk);
358		456
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	457	X_UNLOCK (wrklock);
361	}	458	}
362		459
363	static void maybe_start_thread ()	460	static void maybe_start_thread ()
364	{	461	{
365	if (get_nthreads () >= wanted)	462	if (get_nthreads () >= wanted)
…		…
370	return;	467	return;
371		468
372	start_thread ();	469	start_thread ();
373	}	470	}
374		471
375	static void req_send (aio_req req)	472	static void req_send (bdb_req req)
376	{	473	{
377	SV *wait_callback = 0;	474	SV *wait_callback = 0;
378		475
379	// synthesize callback if none given	476	// synthesize callback if none given
380	if (!SvOK (req->callback))	477	if (!SvOK (req->callback))
381	{	478	{
		479	int count;
		480
382	dSP;	481	dSP;
383	PUSHMARK (SP);	482	PUSHMARK (SP);
384	PUTBACK;	483	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	484	count = call_sv (prepare_cb, G_ARRAY);
386	SPAGAIN;	485	SPAGAIN;
387		486
388	if (count != 2)	487	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");	488	croak ("prepare callback must return exactly two values\n");
390		489
391	wait_callback = SvREFCNT_inc (POPs);	490	wait_callback = POPs;
392	SvREFCNT_dec (req->callback);	491	SvREFCNT_dec (req->callback);
393	req->callback = SvREFCNT_inc (POPs);	492	req->callback = SvREFCNT_inc (POPs);
394	}	493	}
395		494
396	++nreqs;	495	++nreqs;
397		496
398	LOCK (reqlock);	497	X_LOCK (reqlock);
399	++nready;	498	++nready;
400	reqq_push (&req_queue, req);	499	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	500	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	501	X_UNLOCK (reqlock);
403		502
404	maybe_start_thread ();	503	maybe_start_thread ();
405		504
406	if (wait_callback)	505	if (wait_callback)
407	{	506	{
408	dSP;	507	dSP;
409	PUSHMARK (SP);	508	PUSHMARK (SP);
410	PUTBACK;	509	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	510	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	511	}
414	}	512	}
415		513
416	static void end_thread (void)	514	static void end_thread (void)
417	{	515	{
418	aio_req req;	516	bdb_req req;
419		517
420	Newz (0, req, 1, aio_cb);	518	Newz (0, req, 1, bdb_cb);
421		519
422	req->type = REQ_QUIT;	520	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	521	req->pri = PRI_MAX + PRI_BIAS;
424		522
425	LOCK (reqlock);	523	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	524	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	525	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	526	X_UNLOCK (reqlock);
429		527
430	LOCK (wrklock);	528	X_LOCK (wrklock);
431	--started;	529	--started;
432	UNLOCK (wrklock);	530	X_UNLOCK (wrklock);
433	}	531	}
434		532
435	static void set_max_idle (int nthreads)	533	static void set_max_idle (int nthreads)
436	{	534	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	535	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	536	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	537	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	538	}
441		539
442	static void min_parallel (int nthreads)	540	static void min_parallel (int nthreads)
443	{	541	{
444	if (wanted < nthreads)	542	if (wanted < nthreads)
…		…
459	fd_set rfd;	557	fd_set rfd;
460		558
461	while (nreqs)	559	while (nreqs)
462	{	560	{
463	int size;	561	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	562	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	563	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	564	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		565
468	if (size)	566	if (size)
469	return;	567	return;
470		568
471	maybe_start_thread ();	569	maybe_start_thread ();
472		570
473	FD_ZERO(&rfd);	571	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	572	FD_SET (respipe [0], &rfd);
475		573
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	574	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	575	}
478	}	576	}
479		577
480	static int poll_cb ()	578	static int poll_cb ()
481	{	579	{
482	dSP;	580	dSP;
483	int count = 0;	581	int count = 0;
484	int maxreqs = max_poll_reqs;	582	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	583	int do_croak = 0;
486	struct timeval tv_start, tv_now;	584	struct timeval tv_start, tv_now;
487	aio_req req;	585	bdb_req req;
488		586
489	if (max_poll_time)	587	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	588	gettimeofday (&tv_start, 0);
491		589
492	for (;;)	590	for (;;)
493	{	591	{
494	for (;;)	592	for (;;)
495	{	593	{
496	maybe_start_thread ();	594	maybe_start_thread ();
497		595
498	LOCK (reslock);	596	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	597	req = reqq_shift (&res_queue);
500		598
501	if (req)	599	if (req)
502	{	600	{
503	--npending;	601	--npending;
504		602
505	if (!res_queue.size)	603	if (!res_queue.size)
506	{	604	{
507	/* read any signals sent by the worker threads */	605	/* read any signals sent by the worker threads */
508	char buf [4];	606	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	607	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	608	;
511	}	609	}
512	}	610	}
513		611
514	UNLOCK (reslock);	612	X_UNLOCK (reslock);
515		613
516	if (!req)	614	if (!req)
517	break;	615	break;
518		616
519	--nreqs;	617	--nreqs;
…		…
549	}	647	}
550		648
551	return count;	649	return count;
552	}	650	}
553		651
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	652	/*****************************************************************************/
567		653
568	static void *aio_proc (void *thr_arg)	654	X_THREAD_PROC (bdb_proc)
569	{	655	{
570	aio_req req;	656	bdb_req req;
571	struct timespec ts;	657	struct timespec ts;
572	worker *self = (worker *)thr_arg;	658	worker *self = (worker *)thr_arg;
573		659
574	/* try to distribute timeouts somewhat evenly */	660	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	661	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		662
578	for (;;)	663	for (;;)
579	{	664	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	665	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		666
582	LOCK (reqlock);	667	X_LOCK (reqlock);
583		668
584	for (;;)	669	for (;;)
585	{	670	{
586	self->req = req = reqq_shift (&req_queue);	671	self->req = req = reqq_shift (&req_queue);
587		672
588	if (req)	673	if (req)
589	break;	674	break;
590		675
591	++idle;	676	++idle;
592		677
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	678	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	679	== ETIMEDOUT)
595	{	680	{
596	if (idle > max_idle)	681	if (idle > max_idle)
597	{	682	{
598	--idle;	683	--idle;
599	UNLOCK (reqlock);	684	X_UNLOCK (reqlock);
600	LOCK (wrklock);	685	X_LOCK (wrklock);
601	--started;	686	--started;
602	UNLOCK (wrklock);	687	X_UNLOCK (wrklock);
603	goto quit;	688	goto quit;
604	}	689	}
605		690
606	/* we are allowed to idle, so do so without any timeout */	691	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	692	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	693	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	694	}
610		695
611	--idle;	696	--idle;
612	}	697	}
613		698
614	--nready;	699	--nready;
615		700
616	UNLOCK (reqlock);	701	X_UNLOCK (reqlock);
617		702
618	switch (req->type)	703	switch (req->type)
619	{	704	{
620	case REQ_QUIT:	705	case REQ_QUIT:
		706	req->result = ENOSYS;
621	goto quit;	707	goto quit;
622		708
623	case REQ_ENV_OPEN:	709	case REQ_ENV_OPEN:
624	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);
625	break;	711	break;
626		712
627	case REQ_ENV_CLOSE:	713	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);	714	req->result = req->env->close (req->env, req->uint1);
629	break;	715	break;
630		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
631	case REQ_DB_OPEN:	733	case REQ_DB_OPEN:
632	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);
633	break;	735	break;
634		736
635	case REQ_DB_CLOSE:	737	case REQ_DB_CLOSE:
…		…
642		744
643	case REQ_DB_SYNC:	745	case REQ_DB_SYNC:
644	req->result = req->db->sync (req->db, req->uint1);	746	req->result = req->db->sync (req->db, req->uint1);
645	break;	747	break;
646		748
		749	case REQ_DB_UPGRADE:
		750	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		751	break;
		752
647	case REQ_DB_PUT:	753	case REQ_DB_PUT:
648	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);
649	break;	755	break;
650		756
651	case REQ_DB_GET:	757	case REQ_DB_GET:
…		…
654		760
655	case REQ_DB_PGET:	761	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	762	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;	763	break;
658		764
		765	case REQ_DB_DEL:
		766	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		767	break;
		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
659	case REQ_TXN_COMMIT:	773	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);	774	req->result = req->txn->commit (req->txn, req->uint1);
661	break;	775	break;
662		776
663	case REQ_TXN_ABORT:	777	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);	778	req->result = req->txn->abort (req->txn);
665	break;	779	break;
666		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);
		790	break;
		791
		792	case REQ_C_CLOSE:
		793	req->result = req->dbc->c_close (req->dbc);
		794	break;
		795
		796	case REQ_C_COUNT:
		797	{
		798	db_recno_t recno;
		799	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		800	req->uv1 = recno;
		801	}
		802	break;
		803
		804	case REQ_C_PUT:
		805	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		806	break;
		807
		808	case REQ_C_GET:
		809	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		810	break;
		811
		812	case REQ_C_PGET:
		813	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		814	break;
		815
		816	case REQ_C_DEL:
		817	req->result = req->dbc->c_del (req->dbc, req->uint1);
		818	break;
		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
667	default:	836	default:
668	req->result = ENOSYS;	837	req->result = ENOSYS;
669	break;	838	break;
670	}	839	}
671		840
		841	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		842	req->txn->flags |= TXN_DEADLOCK;
		843
672	LOCK (reslock);	844	X_LOCK (reslock);
673		845
674	++npending;	846	++npending;
675		847
676	if (!reqq_push (&res_queue, req))	848	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	849	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	850	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		851
680	self->req = 0;	852	self->req = 0;
681	worker_clear (self);	853	worker_clear (self);
682		854
683	UNLOCK (reslock);	855	X_UNLOCK (reslock);
684	}	856	}
685		857
686	quit:	858	quit:
687	LOCK (wrklock);	859	X_LOCK (wrklock);
688	worker_free (self);	860	worker_free (self);
689	UNLOCK (wrklock);	861	X_UNLOCK (wrklock);
690		862
691	return 0;	863	return 0;
692	}	864	}
693		865
694	/*****************************************************************************/	866	/*****************************************************************************/
695		867
696	static void atfork_prepare (void)	868	static void atfork_prepare (void)
697	{	869	{
698	LOCK (wrklock);	870	X_LOCK (wrklock);
699	LOCK (reqlock);	871	X_LOCK (reqlock);
700	LOCK (reslock);	872	X_LOCK (reslock);
701	}	873	}
702		874
703	static void atfork_parent (void)	875	static void atfork_parent (void)
704	{	876	{
705	UNLOCK (reslock);	877	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	878	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	879	X_UNLOCK (wrklock);
708	}	880	}
709		881
710	static void atfork_child (void)	882	static void atfork_child (void)
711	{	883	{
712	aio_req prv;	884	bdb_req prv;
713		885
714	while (prv = reqq_shift (&req_queue))	886	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	887	req_free (prv);
716		888
717	while (prv = reqq_shift (&res_queue))	889	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	904	idle = 0;
733	nreqs = 0;	905	nreqs = 0;
734	nready = 0;	906	nready = 0;
735	npending = 0;	907	npending = 0;
736		908
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	909	create_respipe ();
740		910
741	atfork_parent ();	911	atfork_parent ();
742	}	912	}
743		913
744	#define dREQ(reqtype) \	914	#define dREQ(reqtype) \
745	aio_req req; \	915	bdb_req req; \
746	int req_pri = next_pri; \	916	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	917	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	918	\
749	if (SvOK (callback) && !SvROK (callback)) \	919	if (SvOK (callback) && !SvROK (callback)) \
750	croak ("callback must be undef or of reference type"); \	920	croak ("callback must be undef or of reference type"); \
751	\	921	\
752	Newz (0, req, 1, aio_cb); \	922	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	923	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	924	croak ("out of memory during bdb_req allocation"); \
755	\	925	\
756	req->callback = newSVsv (callback); \	926	req->callback = newSVsv (callback); \
757	req->type = (reqtype); \	927	req->type = (reqtype); \
758	req->pri = req_pri	928	req->pri = req_pri
759		929
760	#define REQ_SEND \	930	#define REQ_SEND \
761	req_send (req)	931	req_send (req)
762		932
763	#define SvPTR(var, arg, type, class, nullok) \	933	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	934	if (!SvOK (arg)) \
765	{ \	935	{ \
766	if (!nullok) \	936	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	937	croak (# var " must be a " # class " object, not undef"); \
768	\	938	\
769	(var) = 0; \	939	(var) = 0; \
770	} \	940	} \
771	else if (sv_derived_from ((arg), # class)) \	941	else if (sv_derived_from ((arg), # class)) \
772	{ \	942	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	943	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	944	(var) = INT2PTR (type, tmp); \
775	if (!var) \	945	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	946	croak (# var " is not a valid " # class " object anymore"); \
777	} \	947	} \
778	else \	948	else \
779	Perl_croak (# var " is not of type " # class); \	949	croak (# var " is not of type " # class); \
780	\	950	\
781		951
782	static void	952	static void
783	ptr_nuke (SV *sv)	953	ptr_nuke (SV *sv)
784	{	954	{
785	assert (SvROK (sv));	955	assert (SvROK (sv));
786	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_setpv (sv, db_strerror (errno));
		966	return 0;
		967	}
		968
		969	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		970	}
		971
		972	static MGVTBL vtbl_errno;
		973
		974	// this wonderful hack :( patches perl's $! variable to support our errno values
		975	static void
		976	patch_errno (void)
		977	{
		978	SV *sv;
		979	MAGIC *mg;
		980
		981	if (!(sv = get_sv ("!", 1)))
		982	return;
		983
		984	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		985	return;
		986
		987	if (mg->mg_virtual != &PL_vtbl_sv)
		988	return;
		989
		990	vtbl_errno = PL_vtbl_sv;
		991	vtbl_errno.svt_get = errno_get;
		992	mg->mg_virtual = &vtbl_errno;
787	}	993	}
788		994
789	MODULE = BDB PACKAGE = BDB	995	MODULE = BDB PACKAGE = BDB
790		996
791	PROTOTYPES: ENABLE	997	PROTOTYPES: ENABLE
…		…
808	const_iv (INIT_TXN)	1014	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1015	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1016	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1017	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1018	const_iv (CREATE)
		1019	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1020	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1021	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1022	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1023	const_iv (PRIVATE)
817	const_iv (REGISTER)	1024	const_iv (REGISTER)
…		…
823	const_iv (DSYNC_DB)	1030	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)	1031	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)	1032	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)	1033	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	1034	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1035	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1036	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1037	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1038	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1039	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1040	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1041	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1042	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1043	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1044	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1045	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1046	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1047	const_iv (XA_CREATE)
…		…
849	const_iv (READ_UNCOMMITTED)	1055	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1056	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1057	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1058	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1059	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1060	const_iv (DUP)
856	const_iv (DUPSORT)	1061	const_iv (DUPSORT)
857	const_iv (RECNUM)	1062	const_iv (RECNUM)
858	const_iv (RENUMBER)	1063	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1064	const_iv (REVSPLITOFF)
860	const_iv (INORDER)	1065	const_iv (INORDER)
861	const_iv (CONSUME)	1066	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1067	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1068	const_iv (GET_BOTH)
		1069	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1070	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1071	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1072	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1073	const_iv (JOIN_ITEM)
		1074	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1075	const_iv (RMW)
869		1076
870	const_iv (NOTFOUND)	1077	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1078	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1079	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1080	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1081	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1082	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1083	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1084	const_iv (REP_LOCKOUT)
		1085	const_iv (SECONDARY_BAD)
878		1086
879	const_iv (FREE_SPACE)	1087	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)	1088	const_iv (FREELIST_ONLY)
881		1089
882	const_iv (APPEND)	1090	const_iv (APPEND)
883	const_iv (NODUPDATA)	1091	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1092	const_iv (NOOVERWRITE)
885		1093
886	const_iv (TXN_NOWAIT)	1094	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1095	const_iv (TXN_SYNC)
889		1096
890	const_iv (SET_LOCK_TIMEOUT)	1097	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1098	const_iv (SET_TXN_TIMEOUT)
		1099
		1100	const_iv (FIRST)
		1101	const_iv (NEXT)
		1102	const_iv (NEXT_DUP)
		1103	const_iv (NEXT_NODUP)
		1104	const_iv (PREV)
		1105	const_iv (PREV_NODUP)
		1106	const_iv (SET)
		1107	const_iv (SET_RANGE)
		1108	const_iv (LAST)
		1109	const_iv (BEFORE)
		1110	const_iv (AFTER)
		1111	const_iv (CURRENT)
		1112	const_iv (KEYFIRST)
		1113	const_iv (KEYLAST)
		1114	const_iv (NODUPDATA)
		1115
		1116	const_iv (FORCE)
		1117
		1118	const_iv (LOCK_DEFAULT)
		1119	const_iv (LOCK_EXPIRE)
		1120	const_iv (LOCK_MAXLOCKS)
		1121	const_iv (LOCK_MAXWRITE)
		1122	const_iv (LOCK_MINLOCKS)
		1123	const_iv (LOCK_MINWRITE)
		1124	const_iv (LOCK_OLDEST)
		1125	const_iv (LOCK_RANDOM)
		1126	const_iv (LOCK_YOUNGEST)
		1127
		1128	const_iv (SEQ_DEC)
		1129	const_iv (SEQ_INC)
		1130	const_iv (SEQ_WRAP)
		1131
		1132	const_iv (BUFFER_SMALL)
		1133	const_iv (DONOTINDEX)
		1134	const_iv (KEYEMPTY )
		1135	const_iv (KEYEXIST )
		1136	const_iv (LOCK_DEADLOCK)
		1137	const_iv (LOCK_NOTGRANTED)
		1138	const_iv (LOG_BUFFER_FULL)
		1139	const_iv (NOSERVER)
		1140	const_iv (NOSERVER_HOME)
		1141	const_iv (NOSERVER_ID)
		1142	const_iv (NOTFOUND)
		1143	const_iv (PAGE_NOTFOUND)
		1144	const_iv (REP_DUPMASTER)
		1145	const_iv (REP_HANDLE_DEAD)
		1146	const_iv (REP_HOLDELECTION)
		1147	const_iv (REP_IGNORE)
		1148	const_iv (REP_ISPERM)
		1149	const_iv (REP_JOIN_FAILURE)
		1150	const_iv (REP_LOCKOUT)
		1151	const_iv (REP_NEWMASTER)
		1152	const_iv (REP_NEWSITE)
		1153	const_iv (REP_NOTPERM)
		1154	const_iv (REP_UNAVAIL)
		1155	const_iv (RUNRECOVERY)
		1156	const_iv (SECONDARY_BAD)
		1157	const_iv (VERIFY_BAD)
		1158	const_iv (VERSION_MISMATCH)
		1159
		1160	const_iv (VERB_DEADLOCK)
		1161	const_iv (VERB_RECOVERY)
		1162	const_iv (VERB_REGISTER)
		1163	const_iv (VERB_REPLICATION)
		1164	const_iv (VERB_WAITSFOR)
		1165
		1166	const_iv (VERSION_MAJOR)
		1167	const_iv (VERSION_MINOR)
		1168	const_iv (VERSION_PATCH)
		1169	#if DB_VERSION_MINOR >= 5
		1170	const_iv (MULTIVERSION)
		1171	const_iv (TXN_SNAPSHOT)
		1172	#endif
		1173	#if DB_VERSION_MINOR >= 6
		1174	const_iv (PREV_DUP)
		1175	const_iv (PRIORITY_UNCHANGED)
		1176	const_iv (PRIORITY_VERY_LOW)
		1177	const_iv (PRIORITY_LOW)
		1178	const_iv (PRIORITY_DEFAULT)
		1179	const_iv (PRIORITY_HIGH)
		1180	const_iv (PRIORITY_VERY_HIGH)
		1181	#endif
892	};	1182	};
893		1183
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1184	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1185	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1186
897	create_pipe ();	1187	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1188	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1189
		1190	create_respipe ();
		1191
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1192	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1193	#ifdef _WIN32
		1194	X_MUTEX_CHECK (wrklock);
		1195	X_MUTEX_CHECK (reslock);
		1196	X_MUTEX_CHECK (reqlock);
		1197
		1198	X_COND_CHECK (reqwait);
		1199	#endif
		1200	patch_errno ();
899	}	1201	}
900		1202
901	void	1203	void
902	max_poll_reqs (int nreqs)	1204	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1205	PROTOTYPE: $
…		…
1022		1324
1023	int	1325	int
1024	nthreads ()	1326	nthreads ()
1025	PROTOTYPE:	1327	PROTOTYPE:
1026	CODE:	1328	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1329	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1330	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1331	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1332	OUTPUT:
1031	RETVAL	1333	RETVAL
1032		1334
1033	void	1335	void
1034	set_sync_prepare (SV *cb)	1336	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1337	PROTOTYPE: &
1036	CODE:	1338	CODE:
1037	SvREFCNT_dec (prepare_cb);	1339	SvREFCNT_dec (prepare_cb);
1038	prepare_cb = newSVsv (cb);	1340	prepare_cb = newSVsv (cb);
		1341
		1342	char *
		1343	strerror (int errorno = errno)
		1344	PROTOTYPE: ;$
		1345	CODE:
		1346	RETVAL = db_strerror (errorno);
		1347	OUTPUT:
		1348	RETVAL
1039		1349
1040	DB_ENV *	1350	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1351	db_env_create (U32 env_flags = 0)
1042	CODE:	1352	CODE:
1043	{	1353	{
1044	errno = db_env_create (&RETVAL, env_flags);	1354	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1355	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1356	croak ("db_env_create: %s", db_strerror (errno));
		1357
		1358	if (0)
		1359	{
		1360	RETVAL->set_errcall (RETVAL, debug_errcall);
		1361	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1362	}
1047	}	1363	}
1048	OUTPUT:	1364	OUTPUT:
1049	RETVAL	1365	RETVAL
1050		1366
1051	void	1367	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1368	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1053	CODE:	1369	CODE:
1054	{	1370	{
1055	dREQ (REQ_ENV_OPEN);	1371	dREQ (REQ_ENV_OPEN);
		1372
1056	req->env = env;	1373	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1374	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1375	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1376	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1377	REQ_SEND;
…		…
1069	req->uint1 = flags;	1386	req->uint1 = flags;
1070	REQ_SEND;	1387	REQ_SEND;
1071	ptr_nuke (ST (0));	1388	ptr_nuke (ST (0));
1072	}	1389	}
1073		1390
		1391	void
		1392	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1393	CODE:
		1394	{
		1395	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1396	req->env = env;
		1397	req->uint1 = kbyte;
		1398	req->int1 = min;
		1399	req->uint2 = flags;
		1400	REQ_SEND;
		1401	}
		1402
		1403	void
		1404	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1405	CODE:
		1406	{
		1407	dREQ (REQ_ENV_LOCK_DETECT);
		1408	req->env = env;
		1409	req->uint1 = flags;
		1410	req->uint2 = atype;
		1411	REQ_SEND;
		1412	}
		1413
		1414	void
		1415	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1416	CODE:
		1417	{
		1418	dREQ (REQ_ENV_MEMP_SYNC);
		1419	req->env = env;
		1420	REQ_SEND;
		1421	}
		1422
		1423	void
		1424	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1425	CODE:
		1426	{
		1427	dREQ (REQ_ENV_MEMP_TRICKLE);
		1428	req->env = env;
		1429	req->int1 = percent;
		1430	REQ_SEND;
		1431	}
		1432
		1433
1074	DB *	1434	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1435	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1436	CODE:
1077	{	1437	{
1078	errno = db_create (&RETVAL, env, flags);	1438	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1439	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1440	croak ("db_create: %s", db_strerror (errno));
1081		1441
1082	if (RETVAL)	1442	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1443	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1444	}
1085	OUTPUT:	1445	OUTPUT:
…		…
1134	req->uint1 = flags;	1494	req->uint1 = flags;
1135	REQ_SEND;	1495	REQ_SEND;
1136	}	1496	}
1137		1497
1138	void	1498	void
		1499	db_upgrade (DB *db, octetstring file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1500	CODE:
		1501	{
		1502	dREQ (REQ_DB_SYNC);
		1503	req->db = db;
		1504	req->buf1 = strdup (file);
		1505	req->uint1 = flags;
		1506	REQ_SEND;
		1507	}
		1508
		1509	void
		1510	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1511	CODE:
		1512	{
		1513	dREQ (REQ_DB_KEY_RANGE);
		1514	req->db = db;
		1515	req->txn = txn;
		1516	sv_to_dbt (&req->dbt1, key);
		1517	req->uint1 = flags;
		1518	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1519	REQ_SEND;
		1520	}
		1521
		1522	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1523	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1140	CODE:	1524	CODE:
1141	{	1525	{
1142	dREQ (REQ_DB_PUT);	1526	dREQ (REQ_DB_PUT);
1143	req->db = db;	1527	req->db = db;
…		…
1149	}	1533	}
1150		1534
1151	void	1535	void
1152	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1536	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1153	CODE:	1537	CODE:
		1538	if (SvREADONLY (data))
		1539	croak ("can't modify read-only data scalar in db_get");
1154	{	1540	{
1155	dREQ (REQ_DB_GET);	1541	dREQ (REQ_DB_GET);
1156	req->db = db;	1542	req->db = db;
1157	req->txn = txn;	1543	req->txn = txn;
		1544	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1545	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1546	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1547	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1548	REQ_SEND;
1164	}	1549	}
1165		1550
1166	void	1551	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1552	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1168	CODE:	1553	CODE:
		1554	if (SvREADONLY (data))
		1555	croak ("can't modify read-only data scalar in db_pget");
1169	{	1556	{
1170	dREQ (REQ_DB_PGET);	1557	dREQ (REQ_DB_PGET);
1171	req->db = db;	1558	req->db = db;
1172	req->txn = txn;	1559	req->txn = txn;
		1560	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1561	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1562	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1563	req->dbt3.flags = DB_DBT_MALLOC;
		1564	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1565	REQ_SEND;
		1566	}
		1567
		1568	void
		1569	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1570	CODE:
		1571	{
		1572	dREQ (REQ_DB_DEL);
		1573	req->db = db;
		1574	req->txn = txn;
1176	req->uint1 = flags;	1575	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1576	sv_to_dbt (&req->dbt1, key);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1577	REQ_SEND;
1180	}	1578	}
1181		1579
1182	void	1580	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1581	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
…		…
1198	req->txn = txn;	1596	req->txn = txn;
1199	REQ_SEND;	1597	REQ_SEND;
1200	ptr_nuke (ST (0));	1598	ptr_nuke (ST (0));
1201	}	1599	}
1202		1600
		1601	void
		1602	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1603	CODE:
		1604	{
		1605	dREQ (REQ_TXN_FINISH);
		1606	req->txn = txn;
		1607	req->uint1 = flags;
		1608	REQ_SEND;
		1609	ptr_nuke (ST (0));
		1610	}
		1611
		1612	void
		1613	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1614	CODE:
		1615	{
		1616	dREQ (REQ_C_CLOSE);
		1617	req->dbc = dbc;
		1618	REQ_SEND;
		1619	ptr_nuke (ST (0));
		1620	}
		1621
		1622	void
		1623	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1624	CODE:
		1625	{
		1626	dREQ (REQ_C_COUNT);
		1627	req->dbc = dbc;
		1628	req->sv1 = SvREFCNT_inc (count);
		1629	REQ_SEND;
		1630	}
		1631
		1632	void
		1633	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1634	CODE:
		1635	{
		1636	dREQ (REQ_C_PUT);
		1637	req->dbc = dbc;
		1638	sv_to_dbt (&req->dbt1, key);
		1639	sv_to_dbt (&req->dbt2, data);
		1640	req->uint1 = flags;
		1641	REQ_SEND;
		1642	}
		1643
		1644	void
		1645	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1646	CODE:
		1647	{
		1648	dREQ (REQ_C_GET);
		1649	req->dbc = dbc;
		1650	req->uint1 = flags;
		1651	if ((flags & DB_SET) == DB_SET
		1652	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1653	sv_to_dbt (&req->dbt1, key);
		1654	else
		1655	req->dbt1.flags = DB_DBT_MALLOC;
		1656
		1657	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1658
		1659	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1660	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1661	sv_to_dbt (&req->dbt3, data);
		1662	else
		1663	req->dbt3.flags = DB_DBT_MALLOC;
		1664
		1665	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1666	REQ_SEND;
		1667	}
		1668
		1669	void
		1670	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1671	CODE:
		1672	{
		1673	dREQ (REQ_C_PGET);
		1674	req->dbc = dbc;
		1675	req->uint1 = flags;
		1676	if ((flags & DB_SET) == DB_SET
		1677	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1678	sv_to_dbt (&req->dbt1, key);
		1679	else
		1680	req->dbt1.flags = DB_DBT_MALLOC;
		1681
		1682	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1683
		1684	req->dbt2.flags = DB_DBT_MALLOC;
		1685	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1686
		1687	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1688	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1689	sv_to_dbt (&req->dbt3, data);
		1690	else
		1691	req->dbt3.flags = DB_DBT_MALLOC;
		1692
		1693	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1694	REQ_SEND;
		1695	}
		1696
		1697	void
		1698	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1699	CODE:
		1700	{
		1701	dREQ (REQ_C_DEL);
		1702	req->dbc = dbc;
		1703	req->uint1 = flags;
		1704	REQ_SEND;
		1705	}
		1706
		1707
		1708	void
		1709	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1710	CODE:
		1711	{
		1712	dREQ (REQ_SEQ_OPEN);
		1713	req->seq = seq;
		1714	req->txn = txnid;
		1715	req->uint1 = flags | DB_THREAD;
		1716	sv_to_dbt (&req->dbt1, key);
		1717	REQ_SEND;
		1718	}
		1719
		1720	void
		1721	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1722	CODE:
		1723	{
		1724	dREQ (REQ_SEQ_CLOSE);
		1725	req->seq = seq;
		1726	req->uint1 = flags;
		1727	REQ_SEND;
		1728	ptr_nuke (ST (0));
		1729	}
		1730
		1731	void
		1732	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)
		1733	CODE:
		1734	{
		1735	dREQ (REQ_SEQ_GET);
		1736	req->seq = seq;
		1737	req->txn = txnid;
		1738	req->int1 = delta;
		1739	req->uint1 = flags;
		1740	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1741	REQ_SEND;
		1742	}
		1743
		1744	void
		1745	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1746	CODE:
		1747	{
		1748	dREQ (REQ_SEQ_REMOVE);
		1749	req->seq = seq;
		1750	req->txn = txnid;
		1751	req->uint1 = flags;
		1752	REQ_SEND;
		1753	}
		1754
1203		1755
1204	MODULE = BDB PACKAGE = BDB::Env	1756	MODULE = BDB PACKAGE = BDB::Env
1205		1757
1206	void	1758	void
1207	DESTROY (DB_ENV_ornull *env)	1759	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	1760	CODE:
1209	if (env)	1761	if (env)
1210	env->close (env, 0);	1762	env->close (env, 0);
1211		1763
		1764	int set_data_dir (DB_ENV *env, const char *dir)
		1765	CODE:
		1766	RETVAL = env->set_data_dir (env, dir);
		1767	OUTPUT:
		1768	RETVAL
		1769
		1770	int set_tmp_dir (DB_ENV *env, const char *dir)
		1771	CODE:
		1772	RETVAL = env->set_tmp_dir (env, dir);
		1773	OUTPUT:
		1774	RETVAL
		1775
		1776	int set_lg_dir (DB_ENV *env, const char *dir)
		1777	CODE:
		1778	RETVAL = env->set_lg_dir (env, dir);
		1779	OUTPUT:
		1780	RETVAL
		1781
		1782	int set_shm_key (DB_ENV *env, long shm_key)
		1783	CODE:
		1784	RETVAL = env->set_shm_key (env, shm_key);
		1785	OUTPUT:
		1786	RETVAL
		1787
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1788	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	1789	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1790	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	1791	OUTPUT:
1216	RETVAL	1792	RETVAL
1217		1793
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	1794	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	1795	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	1796	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	1797	OUTPUT:
1222	RETVAL	1798	RETVAL
1223		1799
		1800	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1801	CODE:
		1802	env->set_errfile (env, errfile);
		1803
		1804	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1805	CODE:
		1806	env->set_msgfile (env, msgfile);
		1807
		1808	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1809	CODE:
		1810	RETVAL = env->set_verbose (env, which, onoff);
		1811	OUTPUT:
		1812	RETVAL
		1813
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1814	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	1815	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	1816	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	1817	OUTPUT:
1228	RETVAL	1818	RETVAL
1229		1819
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1820	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	1821	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1822	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	1823	OUTPUT:
		1824	RETVAL
		1825
		1826	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1827	CODE:
		1828	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1829	OUTPUT:
		1830	RETVAL
		1831
		1832	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1833	CODE:
		1834	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1835	OUTPUT:
		1836	RETVAL
		1837
		1838	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1839	CODE:
		1840	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1841	OUTPUT:
		1842	RETVAL
		1843
		1844	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1845	CODE:
		1846	RETVAL = env->set_lk_detect (env, detect);
		1847	OUTPUT:
		1848	RETVAL
		1849
		1850	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1851	CODE:
		1852	RETVAL = env->set_lk_max_lockers (env, max);
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int set_lk_max_locks (DB_ENV *env, U32 max)
		1857	CODE:
		1858	RETVAL = env->set_lk_max_locks (env, max);
		1859	OUTPUT:
		1860	RETVAL
		1861
		1862	int set_lk_max_objects (DB_ENV *env, U32 max)
		1863	CODE:
		1864	RETVAL = env->set_lk_max_objects (env, max);
		1865	OUTPUT:
		1866	RETVAL
		1867
		1868	int set_lg_bsize (DB_ENV *env, U32 max)
		1869	CODE:
		1870	RETVAL = env->set_lg_bsize (env, max);
		1871	OUTPUT:
		1872	RETVAL
		1873
		1874	int set_lg_max (DB_ENV *env, U32 max)
		1875	CODE:
		1876	RETVAL = env->set_lg_max (env, max);
		1877	OUTPUT:
		1878	RETVAL
		1879
		1880	int mutex_set_max (DB_ENV *env, U32 max)
		1881	CODE:
		1882	RETVAL = env->mutex_set_max (env, max);
		1883	OUTPUT:
		1884	RETVAL
		1885
		1886	int mutex_set_increment (DB_ENV *env, U32 increment)
		1887	CODE:
		1888	RETVAL = env->mutex_set_increment (env, increment);
		1889	OUTPUT:
		1890	RETVAL
		1891
		1892	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1893	CODE:
		1894	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1895	OUTPUT:
		1896	RETVAL
		1897
		1898	int mutex_set_align (DB_ENV *env, U32 align)
		1899	CODE:
		1900	RETVAL = env->mutex_set_align (env, align);
		1901	OUTPUT:
1234	RETVAL	1902	RETVAL
1235		1903
1236	DB_TXN *	1904	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1905	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	1906	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	1907	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	1908	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	1909	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	1910	OUTPUT:
1243	RETVAL	1911	RETVAL
1244		1912
1245	MODULE = BDB PACKAGE = BDB::Db	1913	MODULE = BDB PACKAGE = BDB::Db
1246		1914
1247	void	1915	void
1248	DESTROY (DB_ornull *db)	1916	DESTROY (DB_ornuked *db)
1249	CODE:	1917	CODE:
1250	if (db)	1918	if (db)
1251	{	1919	{
1252	SV *env = (SV *)db->app_private;	1920	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	1921	db->close (db, 0);
…		…
1258	CODE:	1926	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1927	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	1928	OUTPUT:
1261	RETVAL	1929	RETVAL
1262		1930
1263	int set_flags (DB *db, U32 flags);	1931	int set_flags (DB *db, U32 flags)
1264	CODE:	1932	CODE:
1265	RETVAL = db->set_flags (db, flags);	1933	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	1934	OUTPUT:
1267	RETVAL	1935	RETVAL
1268		1936
…		…
1276	CODE:	1944	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	1945	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	1946	OUTPUT:
1279	RETVAL	1947	RETVAL
1280		1948
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	1949	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	1950	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	1951	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	1952	OUTPUT:
1286	RETVAL	1953	RETVAL
1287		1954
1288	int set_re_delim(DB *db, int delim);	1955	int set_re_delim (DB *db, int delim)
1289	CODE:	1956	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	1957	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	1958	OUTPUT:
1292	RETVAL	1959	RETVAL
1293		1960
…		…
1325	CODE:	1992	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	1993	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	1994	OUTPUT:
1328	RETVAL	1995	RETVAL
1329		1996
		1997	DBC *
		1998	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1999	CODE:
		2000	errno = db->cursor (db, txn, &RETVAL, flags);
		2001	if (errno)
		2002	croak ("DB->cursor: %s", db_strerror (errno));
		2003	OUTPUT:
		2004	RETVAL
		2005
		2006	DB_SEQUENCE *
		2007	sequence (DB *db, U32 flags = 0)
		2008	CODE:
		2009	{
		2010	errno = db_sequence_create (&RETVAL, db, flags);
		2011	if (errno)
		2012	croak ("db_sequence_create: %s", db_strerror (errno));
		2013	}
		2014	OUTPUT:
		2015	RETVAL
		2016
		2017
1330	MODULE = BDB PACKAGE = BDB::Txn	2018	MODULE = BDB PACKAGE = BDB::Txn
1331		2019
1332	void	2020	void
1333	DESTROY (DB_TXN_ornull *txn)	2021	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2022	CODE:
1335	if (txn)	2023	if (txn)
1336	txn->abort (txn);	2024	txn->abort (txn);
1337		2025
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2026	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	2027	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2028	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2029	OUTPUT:
1342	RETVAL	2030	RETVAL
1343		2031
		2032	int failed (DB_TXN *txn)
		2033	CODE:
		2034	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2035	OUTPUT:
		2036	RETVAL
1344		2037
		2038
		2039	MODULE = BDB PACKAGE = BDB::Cursor
		2040
		2041	void
		2042	DESTROY (DBC_ornuked *dbc)
		2043	CODE:
		2044	if (dbc)
		2045	dbc->c_close (dbc);
		2046
		2047	#if DB_VERSION_MINOR >= 6
		2048
		2049	int set_priority (DBC *dbc, int priority)
		2050	CODE:
		2051	dbc->set_priority (dbc, priority);
		2052
		2053	#endif
		2054
		2055	MODULE = BDB PACKAGE = BDB::Sequence
		2056
		2057	void
		2058	DESTROY (DB_SEQUENCE_ornuked *seq)
		2059	CODE:
		2060	if (seq)
		2061	seq->close (seq, 0);
		2062
		2063	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2064	CODE:
		2065	RETVAL = seq->initial_value (seq, value);
		2066	OUTPUT:
		2067	RETVAL
		2068
		2069	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2070	CODE:
		2071	RETVAL = seq->set_cachesize (seq, size);
		2072	OUTPUT:
		2073	RETVAL
		2074
		2075	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2076	CODE:
		2077	RETVAL = seq->set_flags (seq, flags);
		2078	OUTPUT:
		2079	RETVAL
		2080
		2081	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2082	CODE:
		2083	RETVAL = seq->set_range (seq, min, max);
		2084	OUTPUT:
		2085	RETVAL
		2086
		2087

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