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Comparing BDB/BDB.xs (file contents):
Revision 1.2 by root, Mon Feb 5 20:21:38 2007 UTC vs.
Revision 1.13 by root, Sun Jul 8 11:12:12 2007 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
		31
		32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44		44
45	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
		46	typedef char *octetstring;
46		47
		48	static SV *prepare_cb;
		49
		50	static char *
		51	strdup_ornull (const char *s)
		52	{
		53	return s ? strdup (s) : 0;
		54	}
		55
		56	static void
		57	sv_to_dbt (DBT *dbt, SV *sv)
		58	{
		59	STRLEN len;
		60	char *data = SvPVbyte (sv, len);
		61
		62	dbt->data = malloc (len);
		63	memcpy (dbt->data, data, len);
		64	dbt->size = len;
		65	dbt->flags = DB_DBT_REALLOC;
		66	}
		67
		68	static void
		69	dbt_to_sv (SV *sv, DBT *dbt)
		70	{
		71	if (sv)
		72	{
		73	SvREADONLY_off (sv);
		74	sv_setpvn_mg (sv, dbt->data, dbt->size);
		75	SvREFCNT_dec (sv);
		76	}
		77
		78	free (dbt->data);
		79	}
		80
47	enum	81	enum {
48	{
49	REQ_QUIT,	82	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	83	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	84	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
		85	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		86	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		87	REQ_TXN_COMMIT, REQ_TXN_ABORT,
		88	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		89	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
52	};	90	};
53		91
54	typedef struct aio_cb	92	typedef struct aio_cb
55	{	93	{
56	struct aio_cb *volatile next;	94	struct aio_cb *volatile next;
57	SV *callback;	95	SV *callback;
58	int type, pri, errorno;	96	int type, pri, result;
59		97
60	DB_ENV *env;	98	DB_ENV *env;
61	DB *db;	99	DB *db;
62	DB_TXN *txn;	100	DB_TXN *txn;
63	DBC *cursor;	101	DBC *dbc;
		102
		103	UV uv1;
64	int int1, int2;	104	int int1, int2;
65	U32 uint1, uint2;	105	U32 uint1, uint2;
66	char *buf1, *buf2;	106	char *buf1, *buf2;
		107	SV *sv1, *sv2, *sv3;
		108
		109	DBT dbt1, dbt2, dbt3;
		110	DB_KEY_RANGE key_range;
		111	DB_SEQUENCE *seq;
		112	db_seq_t seq_t;
67	} aio_cb;	113	} aio_cb;
68		114
69	typedef aio_cb *aio_req;	115	typedef aio_cb *aio_req;
70		116
71	enum {	117	enum {
…		…
91		137
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	138	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		139
94	static unsigned int started, idle, wanted;	140	static unsigned int started, idle, wanted;
95		141
96	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
97	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
98	#else
99	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
100	#endif
101
102	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
103	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
104
105	/* worker threads management */	142	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	143	static mutex_t wrklock = X_MUTEX_INIT;
107		144
108	typedef struct worker {	145	typedef struct worker {
109	/* locked by wrklock */	146	/* locked by wrklock */
110	struct worker *prev, *next;	147	struct worker *prev, *next;
111		148
112	pthread_t tid;	149	thread_t tid;
113		150
114	/* locked by reslock, reqlock or wrklock */	151	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	152	aio_req req; /* currently processed request */
116	void *dbuf;	153	void *dbuf;
117	DIR *dirp;	154	DIR *dirp;
…		…
132	}	169	}
133		170
134	static volatile unsigned int nreqs, nready, npending;	171	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	172	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	173	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	174	static int respipe [2], respipe_osf [2];
138		175
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	176	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	177	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	178	static cond_t reqwait = X_COND_INIT;
142		179
143	#if WORDACCESS_UNSAFE	180	#if WORDACCESS_UNSAFE
144		181
145	static unsigned int get_nready ()	182	static unsigned int get_nready ()
146	{	183	{
147	unsigned int retval;	184	unsigned int retval;
148		185
149	LOCK (reqlock);	186	X_LOCK (reqlock);
150	retval = nready;	187	retval = nready;
151	UNLOCK (reqlock);	188	X_UNLOCK (reqlock);
152		189
153	return retval;	190	return retval;
154	}	191	}
155		192
156	static unsigned int get_npending ()	193	static unsigned int get_npending ()
157	{	194	{
158	unsigned int retval;	195	unsigned int retval;
159		196
160	LOCK (reslock);	197	X_LOCK (reslock);
161	retval = npending;	198	retval = npending;
162	UNLOCK (reslock);	199	X_UNLOCK (reslock);
163		200
164	return retval;	201	return retval;
165	}	202	}
166		203
167	static unsigned int get_nthreads ()	204	static unsigned int get_nthreads ()
168	{	205	{
169	unsigned int retval;	206	unsigned int retval;
170		207
171	LOCK (wrklock);	208	X_LOCK (wrklock);
172	retval = started;	209	retval = started;
173	UNLOCK (wrklock);	210	X_UNLOCK (wrklock);
174		211
175	return retval;	212	return retval;
176	}	213	}
177		214
178	#else	215	#else
…		…
248	if (SvOK (req->callback))	285	if (SvOK (req->callback))
249	{	286	{
250	ENTER;	287	ENTER;
251	SAVETMPS;	288	SAVETMPS;
252	PUSHMARK (SP);	289	PUSHMARK (SP);
253	EXTEND (SP, 1);
254		290
255	switch (req->type)	291	switch (req->type)
256	{	292	{
		293	case REQ_DB_CLOSE:
		294	SvREFCNT_dec (req->sv1);
		295	break;
		296
		297	case REQ_DB_GET:
		298	case REQ_DB_PGET:
		299	dbt_to_sv (req->sv3, &req->dbt3);
		300	break;
		301
		302	case REQ_C_GET:
		303	case REQ_C_PGET:
		304	dbt_to_sv (req->sv1, &req->dbt1);
		305	dbt_to_sv (req->sv2, &req->dbt2);
		306	dbt_to_sv (req->sv3, &req->dbt3);
		307	break;
		308
		309	case REQ_DB_KEY_RANGE:
		310	{
		311	AV *av = newAV ();
		312
		313	av_push (av, newSVnv (req->key_range.less));
		314	av_push (av, newSVnv (req->key_range.equal));
		315	av_push (av, newSVnv (req->key_range.greater));
		316
		317	SvREADONLY_off (req->sv1);
		318	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		319	SvREFCNT_dec (req->sv1);
		320	}
		321	break;
		322
		323	case REQ_SEQ_GET:
		324	SvREADONLY_off (req->sv1);
		325
		326	if (sizeof (IV) > 4)
		327	sv_setiv_mg (req->sv1, req->seq_t);
		328	else
		329	sv_setnv_mg (req->sv1, req->seq_t);
		330
		331	SvREFCNT_dec (req->sv1);
		332	break;
257	}	333	}
		334
		335	errno = req->result;
258		336
259	PUTBACK;	337	PUTBACK;
260	call_sv (req->callback, G_VOID | G_EVAL);	338	call_sv (req->callback, G_VOID | G_EVAL);
261	SPAGAIN;	339	SPAGAIN;
262		340
…		…
272	free (req->buf1);	350	free (req->buf1);
273	free (req->buf2);	351	free (req->buf2);
274	Safefree (req);	352	Safefree (req);
275	}	353	}
276		354
277	static void *aio_proc(void *arg);	355	#ifdef USE_SOCKETS_AS_HANDLES
		356	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		357	#else
		358	# define TO_SOCKET(x) (x)
		359	#endif
		360
		361	static void
		362	create_pipe (int fd[2])
		363	{
		364	#ifdef _WIN32
		365	int arg = 1;
		366	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
		367	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
		368	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
		369	#else
		370	if (pipe (fd)
		371	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
		372	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
		373	#endif
		374	croak ("unable to initialize result pipe");
		375
		376	respipe_osf [0] = TO_SOCKET (respipe [0]);
		377	respipe_osf [1] = TO_SOCKET (respipe [1]);
		378	}
		379
		380	X_THREAD_PROC (bdb_proc);
278		381
279	static void start_thread (void)	382	static void start_thread (void)
280	{	383	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	384	worker *wrk = calloc (1, sizeof (worker));
285		385
286	if (!wrk)	386	if (!wrk)
287	croak ("unable to allocate worker thread data");	387	croak ("unable to allocate worker thread data");
288		388
289	pthread_attr_init (&attr);
290	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
291	#ifdef PTHREAD_SCOPE_PROCESS
292	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
293	#endif
294
295	sigfillset (&fullsigset);
296
297	LOCK (wrklock);	389	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	390	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	391	{
302	wrk->prev = &wrk_first;	392	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	393	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	394	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	395	wrk_first.next = wrk;
306	++started;	396	++started;
307	}	397	}
308	else	398	else
309	free (wrk);	399	free (wrk);
310		400
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	401	X_UNLOCK (wrklock);
313	}	402	}
314		403
315	static void maybe_start_thread ()	404	static void maybe_start_thread ()
316	{	405	{
317	if (get_nthreads () >= wanted)	406	if (get_nthreads () >= wanted)
…		…
324	start_thread ();	413	start_thread ();
325	}	414	}
326		415
327	static void req_send (aio_req req)	416	static void req_send (aio_req req)
328	{	417	{
		418	SV *wait_callback = 0;
		419
		420	// synthesize callback if none given
		421	if (!SvOK (req->callback))
		422	{
		423	int count;
		424
		425	dSP;
		426	PUSHMARK (SP);
		427	PUTBACK;
		428	count = call_sv (prepare_cb, G_ARRAY);
		429	SPAGAIN;
		430
		431	if (count != 2)
		432	croak ("prepare callback must return exactly two values\n");
		433
		434	wait_callback = SvREFCNT_inc (POPs);
		435	SvREFCNT_dec (req->callback);
		436	req->callback = SvREFCNT_inc (POPs);
		437	}
		438
329	++nreqs;	439	++nreqs;
330		440
331	LOCK (reqlock);	441	X_LOCK (reqlock);
332	++nready;	442	++nready;
333	reqq_push (&req_queue, req);	443	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	444	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	445	X_UNLOCK (reqlock);
336		446
337	maybe_start_thread ();	447	maybe_start_thread ();
		448
		449	if (wait_callback)
		450	{
		451	dSP;
		452	PUSHMARK (SP);
		453	PUTBACK;
		454	call_sv (wait_callback, G_DISCARD);
		455	SvREFCNT_dec (wait_callback);
		456	}
338	}	457	}
339		458
340	static void end_thread (void)	459	static void end_thread (void)
341	{	460	{
342	aio_req req;	461	aio_req req;
…		…
344	Newz (0, req, 1, aio_cb);	463	Newz (0, req, 1, aio_cb);
345		464
346	req->type = REQ_QUIT;	465	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	466	req->pri = PRI_MAX + PRI_BIAS;
348		467
349	LOCK (reqlock);	468	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	469	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	470	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	471	X_UNLOCK (reqlock);
353		472
354	LOCK (wrklock);	473	X_LOCK (wrklock);
355	--started;	474	--started;
356	UNLOCK (wrklock);	475	X_UNLOCK (wrklock);
357	}	476	}
358		477
359	static void set_max_idle (int nthreads)	478	static void set_max_idle (int nthreads)
360	{	479	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	480	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	481	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	482	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	483	}
365		484
366	static void min_parallel (int nthreads)	485	static void min_parallel (int nthreads)
367	{	486	{
368	if (wanted < nthreads)	487	if (wanted < nthreads)
…		…
383	fd_set rfd;	502	fd_set rfd;
384		503
385	while (nreqs)	504	while (nreqs)
386	{	505	{
387	int size;	506	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	507	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	508	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	509	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		510
392	if (size)	511	if (size)
393	return;	512	return;
394		513
395	maybe_start_thread ();	514	maybe_start_thread ();
396		515
397	FD_ZERO(&rfd);	516	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	517	FD_SET (respipe [0], &rfd);
399		518
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	519	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	520	}
402	}	521	}
403		522
404	static int poll_cb ()	523	static int poll_cb ()
405	{	524	{
…		…
417	{	536	{
418	for (;;)	537	for (;;)
419	{	538	{
420	maybe_start_thread ();	539	maybe_start_thread ();
421		540
422	LOCK (reslock);	541	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	542	req = reqq_shift (&res_queue);
424		543
425	if (req)	544	if (req)
426	{	545	{
427	--npending;	546	--npending;
428		547
429	if (!res_queue.size)	548	if (!res_queue.size)
430	{	549	{
431	/* read any signals sent by the worker threads */	550	/* read any signals sent by the worker threads */
432	char buf [4];	551	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	552	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	553	;
435	}	554	}
436	}	555	}
437		556
438	UNLOCK (reslock);	557	X_UNLOCK (reslock);
439		558
440	if (!req)	559	if (!req)
441	break;	560	break;
442		561
443	--nreqs;	562	--nreqs;
…		…
473	}	592	}
474		593
475	return count;	594	return count;
476	}	595	}
477		596
478	static void create_pipe ()
479	{
480	if (pipe (respipe))
481	croak ("unable to initialize result pipe");
482
483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
484	croak ("cannot set result pipe to nonblocking mode");
485
486	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
487	croak ("cannot set result pipe to nonblocking mode");
488	}
489
490	/*****************************************************************************/	597	/*****************************************************************************/
491		598
492	static void *aio_proc (void *thr_arg)	599	X_THREAD_PROC (bdb_proc)
493	{	600	{
494	aio_req req;	601	aio_req req;
495	struct timespec ts;	602	struct timespec ts;
496	worker *self = (worker *)thr_arg;	603	worker *self = (worker *)thr_arg;
497		604
498	/* try to distribute timeouts somewhat evenly */	605	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	606	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		607
502	for (;;)	608	for (;;)
503	{	609	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	610	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		611
506	LOCK (reqlock);	612	X_LOCK (reqlock);
507		613
508	for (;;)	614	for (;;)
509	{	615	{
510	self->req = req = reqq_shift (&req_queue);	616	self->req = req = reqq_shift (&req_queue);
511		617
512	if (req)	618	if (req)
513	break;	619	break;
514		620
515	++idle;	621	++idle;
516		622
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	623	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	624	== ETIMEDOUT)
519	{	625	{
520	if (idle > max_idle)	626	if (idle > max_idle)
521	{	627	{
522	--idle;	628	--idle;
523	UNLOCK (reqlock);	629	X_UNLOCK (reqlock);
524	LOCK (wrklock);	630	X_LOCK (wrklock);
525	--started;	631	--started;
526	UNLOCK (wrklock);	632	X_UNLOCK (wrklock);
527	goto quit;	633	goto quit;
528	}	634	}
529		635
530	/* we are allowed to idle, so do so without any timeout */	636	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	637	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	638	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	639	}
534		640
535	--idle;	641	--idle;
536	}	642	}
537		643
538	--nready;	644	--nready;
539		645
540	UNLOCK (reqlock);	646	X_UNLOCK (reqlock);
541		647
542	errno = 0; /* strictly unnecessary */
543
544	switch (req->type)	648	switch (req->type)
545	{	649	{
546	case REQ_QUIT:	650	case REQ_QUIT:
547	goto quit;	651	goto quit;
548		652
		653	case REQ_ENV_OPEN:
		654	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		655	break;
		656
		657	case REQ_ENV_CLOSE:
		658	req->result = req->env->close (req->env, req->uint1);
		659	break;
		660
		661	case REQ_ENV_TXN_CHECKPOINT:
		662	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		663	break;
		664
		665	case REQ_ENV_LOCK_DETECT:
		666	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		667	break;
		668
		669	case REQ_ENV_MEMP_SYNC:
		670	req->result = req->env->memp_sync (req->env, 0);
		671	break;
		672
		673	case REQ_ENV_MEMP_TRICKLE:
		674	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		675	break;
		676
		677	case REQ_DB_OPEN:
		678	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		679	break;
		680
		681	case REQ_DB_CLOSE:
		682	req->result = req->db->close (req->db, req->uint1);
		683	break;
		684
		685	case REQ_DB_COMPACT:
		686	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		687	break;
		688
		689	case REQ_DB_SYNC:
		690	req->result = req->db->sync (req->db, req->uint1);
		691	break;
		692
		693	case REQ_DB_PUT:
		694	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		695	break;
		696
		697	case REQ_DB_GET:
		698	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		699	break;
		700
		701	case REQ_DB_PGET:
		702	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		703	break;
		704
		705	case REQ_DB_DEL:
		706	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		707	break;
		708
		709	case REQ_DB_KEY_RANGE:
		710	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		711	break;
		712
		713	case REQ_TXN_COMMIT:
		714	req->result = req->txn->commit (req->txn, req->uint1);
		715	break;
		716
		717	case REQ_TXN_ABORT:
		718	req->result = req->txn->abort (req->txn);
		719	break;
		720
		721	case REQ_C_CLOSE:
		722	req->result = req->dbc->c_close (req->dbc);
		723	break;
		724
		725	case REQ_C_COUNT:
		726	{
		727	db_recno_t recno;
		728	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		729	req->uv1 = recno;
		730	}
		731	break;
		732
		733	case REQ_C_PUT:
		734	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		735	break;
		736
		737	case REQ_C_GET:
		738	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		739	break;
		740
		741	case REQ_C_PGET:
		742	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		743	break;
		744
		745	case REQ_C_DEL:
		746	req->result = req->dbc->c_del (req->dbc, req->uint1);
		747	break;
		748
		749	case REQ_SEQ_OPEN:
		750	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		751	break;
		752
		753	case REQ_SEQ_CLOSE:
		754	req->result = req->seq->close (req->seq, req->uint1);
		755	break;
		756
		757	case REQ_SEQ_GET:
		758	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		759	break;
		760
		761	case REQ_SEQ_REMOVE:
		762	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		763	break;
		764
549	default:	765	default:
550	//req->result = ENOSYS;	766	req->result = ENOSYS;
551	break;	767	break;
552	}	768	}
553		769
554	//req->errorno = errno;
555
556	LOCK (reslock);	770	X_LOCK (reslock);
557		771
558	++npending;	772	++npending;
559		773
560	if (!reqq_push (&res_queue, req))	774	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	775	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	776	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		777
564	self->req = 0;	778	self->req = 0;
565	worker_clear (self);	779	worker_clear (self);
566		780
567	UNLOCK (reslock);	781	X_UNLOCK (reslock);
568	}	782	}
569		783
570	quit:	784	quit:
571	LOCK (wrklock);	785	X_LOCK (wrklock);
572	worker_free (self);	786	worker_free (self);
573	UNLOCK (wrklock);	787	X_UNLOCK (wrklock);
574		788
575	return 0;	789	return 0;
576	}	790	}
577		791
578	/*****************************************************************************/	792	/*****************************************************************************/
579		793
580	static void atfork_prepare (void)	794	static void atfork_prepare (void)
581	{	795	{
582	LOCK (wrklock);	796	X_LOCK (wrklock);
583	LOCK (reqlock);	797	X_LOCK (reqlock);
584	LOCK (reslock);	798	X_LOCK (reslock);
585	}	799	}
586		800
587	static void atfork_parent (void)	801	static void atfork_parent (void)
588	{	802	{
589	UNLOCK (reslock);	803	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	804	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	805	X_UNLOCK (wrklock);
592	}	806	}
593		807
594	static void atfork_child (void)	808	static void atfork_child (void)
595	{	809	{
596	aio_req prv;	810	aio_req prv;
…		…
616	idle = 0;	830	idle = 0;
617	nreqs = 0;	831	nreqs = 0;
618	nready = 0;	832	nready = 0;
619	npending = 0;	833	npending = 0;
620		834
621	close (respipe [0]);	835	respipe_close (respipe [0]);
622	close (respipe [1]);	836	respipe_close (respipe [1]);
		837
623	create_pipe ();	838	create_pipe (respipe);
624		839
625	atfork_parent ();	840	atfork_parent ();
626	}	841	}
627		842
628	#define dREQ(reqtype) \	843	#define dREQ(reqtype) \
…		…
642	req->pri = req_pri	857	req->pri = req_pri
643		858
644	#define REQ_SEND \	859	#define REQ_SEND \
645	req_send (req)	860	req_send (req)
646		861
647	#define SvPTR(var, arg, type, class) \	862	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	863	if (!SvOK (arg)) \
		864	{ \
		865	if (!nullok) \
		866	croak (# var " must be a " # class " object, not undef"); \
		867	\
649	(var) = 0; \	868	(var) = 0; \
		869	} \
650	else if (sv_derived_from ((arg), # class)) \	870	else if (sv_derived_from ((arg), # class)) \
651	{ \	871	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	872	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	873	(var) = INT2PTR (type, tmp); \
		874	if (!var) \
		875	croak (# var " is not a valid " # class " object anymore"); \
654	} \	876	} \
655	else \	877	else \
656	Perl_croak (# var " is not of type " # type)	878	croak (# var " is not of type " # class); \
657		879	\
		880
		881	static void
		882	ptr_nuke (SV *sv)
		883	{
		884	assert (SvROK (sv));
		885	sv_setiv (SvRV (sv), 0);
		886	}
		887
658	MODULE = BDB PACKAGE = BDB	888	MODULE = BDB PACKAGE = BDB
659		889
660	PROTOTYPES: ENABLE	890	PROTOTYPES: ENABLE
661		891
662	BOOT:	892	BOOT:
…		…
692	const_iv (DSYNC_DB)	922	const_iv (DSYNC_DB)
693	const_iv (DSYNC_LOG)	923	const_iv (DSYNC_LOG)
694	const_iv (LOG_AUTOREMOVE)	924	const_iv (LOG_AUTOREMOVE)
695	const_iv (LOG_INMEMORY)	925	const_iv (LOG_INMEMORY)
696	const_iv (NOLOCKING)	926	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	927	const_iv (NOMMAP)
699	const_iv (NOPANIC)	928	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	929	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	930	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	931	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	932	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	933	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)
706	const_iv (TXN_WRITE_NOSYNC)	934	const_iv (TXN_WRITE_NOSYNC)
		935	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	936	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	937	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	938	const_iv (XA_CREATE)
710	const_iv (BTREE)	939	const_iv (BTREE)
711	const_iv (HASH)	940	const_iv (HASH)
712	const_iv (QUEUE)	941	const_iv (QUEUE)
713	const_iv (RECNO)	942	const_iv (RECNO)
714	const_iv (UNKNOWN)	943	const_iv (UNKNOWN)
715	const_iv (EXCL)	944	const_iv (EXCL)
		945	const_iv (READ_COMMITTED)
716	const_iv (READ_UNCOMMITTED)	946	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	947	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	948	const_iv (NOSYNC)
719	const_iv (CHKSUM)	949	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	950	const_iv (ENCRYPT)
…		…
725	const_iv (RENUMBER)	955	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	956	const_iv (REVSPLITOFF)
727	const_iv (INORDER)	957	const_iv (INORDER)
728	const_iv (CONSUME)	958	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	959	const_iv (CONSUME_WAIT)
		960	const_iv (GET_BOTH)
		961	const_iv (GET_BOTH_RANGE)
		962	//const_iv (SET_RECNO)
		963	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	964	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	965	const_iv (JOIN_ITEM)
732	const_iv (RMW)	966	const_iv (RMW)
733		967
734	const_iv (NOTFOUND)	968	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	969	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	970	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	971	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	972	const_iv (RUNRECOVERY)
		973	const_iv (OLD_VERSION)
		974	const_iv (REP_HANDLE_DEAD)
		975	const_iv (REP_LOCKOUT)
		976	const_iv (SECONDARY_BAD)
		977
		978	const_iv (FREE_SPACE)
		979	const_iv (FREELIST_ONLY)
		980
		981	const_iv (APPEND)
		982	const_iv (NODUPDATA)
		983	const_iv (NOOVERWRITE)
		984
		985	const_iv (TXN_NOWAIT)
		986	const_iv (TXN_SYNC)
		987
		988	const_iv (SET_LOCK_TIMEOUT)
		989	const_iv (SET_TXN_TIMEOUT)
		990
		991	const_iv (JOIN_ITEM)
		992	const_iv (FIRST)
		993	const_iv (NEXT)
		994	const_iv (NEXT_DUP)
		995	const_iv (NEXT_NODUP)
		996	const_iv (PREV)
		997	const_iv (PREV_NODUP)
		998	const_iv (SET)
		999	const_iv (SET_RANGE)
		1000	const_iv (LAST)
		1001	const_iv (BEFORE)
		1002	const_iv (AFTER)
		1003	const_iv (CURRENT)
		1004	const_iv (KEYFIRST)
		1005	const_iv (KEYLAST)
		1006	const_iv (NODUPDATA)
		1007
		1008	const_iv (FORCE)
		1009
		1010	const_iv (LOCK_DEFAULT)
		1011	const_iv (LOCK_EXPIRE)
		1012	const_iv (LOCK_MAXLOCKS)
		1013	const_iv (LOCK_MAXWRITE)
		1014	const_iv (LOCK_MINLOCKS)
		1015	const_iv (LOCK_MINWRITE)
		1016	const_iv (LOCK_OLDEST)
		1017	const_iv (LOCK_RANDOM)
		1018	const_iv (LOCK_YOUNGEST)
		1019
		1020	const_iv (SEQ_DEC)
		1021	const_iv (SEQ_INC)
		1022	const_iv (SEQ_WRAP)
		1023	#if DB_VERSION_MINOR >= 5
		1024	const_iv (MULTIVERSION)
		1025	const_iv (TXN_SNAPSHOT)
		1026	#endif
739	};	1027	};
740		1028
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1029	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1030	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1031
744	create_pipe ();	1032	create_pipe (respipe);
		1033
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1034	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1035	#ifdef _WIN32
		1036	X_MUTEX_CHECK (wrklock);
		1037	X_MUTEX_CHECK (reslock);
		1038	X_MUTEX_CHECK (reqlock);
		1039
		1040	X_COND_CHECK (reqwait);
		1041	#endif
746	}	1042	}
747		1043
748	void	1044	void
749	max_poll_reqs (int nreqs)	1045	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1046	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1075	max_outstanding = maxreqs;
780	OUTPUT:	1076	OUTPUT:
781	RETVAL	1077	RETVAL
782		1078
783	int	1079	int
784	bdbreq_pri (int pri = 0)	1080	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1081	PROTOTYPE: ;$
786	CODE:	1082	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1083	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1084	if (items > 0)
789	{	1085	{
…		…
793	}	1089	}
794	OUTPUT:	1090	OUTPUT:
795	RETVAL	1091	RETVAL
796		1092
797	void	1093	void
798	bdbreq_nice (int nice = 0)	1094	dbreq_nice (int nice = 0)
799	CODE:	1095	CODE:
800	nice = next_pri - nice;	1096	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1097	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1098	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1099	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1107	poll_wait ();
812	poll_cb ();	1108	poll_cb ();
813	}	1109	}
814		1110
815	int	1111	int
816	poll()	1112	poll ()
817	PROTOTYPE:	1113	PROTOTYPE:
818	CODE:	1114	CODE:
819	poll_wait ();	1115	poll_wait ();
820	RETVAL = poll_cb ();	1116	RETVAL = poll_cb ();
821	OUTPUT:	1117	OUTPUT:
822	RETVAL	1118	RETVAL
823		1119
824	int	1120	int
825	poll_fileno()	1121	poll_fileno ()
826	PROTOTYPE:	1122	PROTOTYPE:
827	CODE:	1123	CODE:
828	RETVAL = respipe [0];	1124	RETVAL = respipe [0];
829	OUTPUT:	1125	OUTPUT:
830	RETVAL	1126	RETVAL
831		1127
832	int	1128	int
833	poll_cb(...)	1129	poll_cb (...)
834	PROTOTYPE:	1130	PROTOTYPE:
835	CODE:	1131	CODE:
836	RETVAL = poll_cb ();	1132	RETVAL = poll_cb ();
837	OUTPUT:	1133	OUTPUT:
838	RETVAL	1134	RETVAL
839		1135
840	void	1136	void
841	poll_wait()	1137	poll_wait ()
842	PROTOTYPE:	1138	PROTOTYPE:
843	CODE:	1139	CODE:
844	poll_wait ();	1140	poll_wait ();
845		1141
846	int	1142	int
847	nreqs()	1143	nreqs ()
848	PROTOTYPE:	1144	PROTOTYPE:
849	CODE:	1145	CODE:
850	RETVAL = nreqs;	1146	RETVAL = nreqs;
851	OUTPUT:	1147	OUTPUT:
852	RETVAL	1148	RETVAL
853		1149
854	int	1150	int
855	nready()	1151	nready ()
856	PROTOTYPE:	1152	PROTOTYPE:
857	CODE:	1153	CODE:
858	RETVAL = get_nready ();	1154	RETVAL = get_nready ();
859	OUTPUT:	1155	OUTPUT:
860	RETVAL	1156	RETVAL
861		1157
862	int	1158	int
863	npending()	1159	npending ()
864	PROTOTYPE:	1160	PROTOTYPE:
865	CODE:	1161	CODE:
866	RETVAL = get_npending ();	1162	RETVAL = get_npending ();
867	OUTPUT:	1163	OUTPUT:
868	RETVAL	1164	RETVAL
869		1165
870	int	1166	int
871	nthreads()	1167	nthreads ()
872	PROTOTYPE:	1168	PROTOTYPE:
873	CODE:	1169	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1170	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1171	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1172	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1173	OUTPUT:
878	RETVAL	1174	RETVAL
879		1175
		1176	void
		1177	set_sync_prepare (SV *cb)
		1178	PROTOTYPE: &
		1179	CODE:
		1180	SvREFCNT_dec (prepare_cb);
		1181	prepare_cb = newSVsv (cb);
		1182
		1183
880	DB_ENV *	1184	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1185	db_env_create (U32 env_flags = 0)
882	CODE:	1186	CODE:
883	{	1187	{
884	int err = db_env_create (&RETVAL, env_flags);	1188	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1189	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1190	croak ("db_env_create: %s", db_strerror (errno));
887	}	1191	}
		1192	OUTPUT:
		1193	RETVAL
888		1194
889	void	1195	void
890	bdb_env_open (DB_ENV *env, char *db_home, U32 open_flags, int mode, SV *callback = 0)	1196	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
891	CODE:	1197	CODE:
892	{	1198	{
893	dREQ (REQ_ENV_OPEN);	1199	dREQ (REQ_ENV_OPEN);
		1200
		1201	env->set_thread_count (env, get_nthreads ());
		1202
894	req->env = env;	1203	req->env = env;
895	req->uint1 = open_flags;	1204	req->uint1 = open_flags | DB_THREAD;
896	req->int1 = mode;	1205	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1206	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1207	REQ_SEND;
899	}	1208	}
900		1209
901	void	1210	void
902	bdb_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)	1211	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
903	CODE:	1212	CODE:
904	{	1213	{
905	dREQ (REQ_ENV_CLOSE);	1214	dREQ (REQ_ENV_CLOSE);
906	req->env = env;	1215	req->env = env;
907	req->uint1 = flags;	1216	req->uint1 = flags;
908	REQ_SEND;	1217	REQ_SEND;
		1218	ptr_nuke (ST (0));
909	}	1219	}
		1220
		1221	void
		1222	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1223	CODE:
		1224	{
		1225	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1226	req->env = env;
		1227	req->uint1 = kbyte;
		1228	req->int1 = min;
		1229	req->uint2 = flags;
		1230	REQ_SEND;
		1231	}
		1232
		1233	void
		1234	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1235	CODE:
		1236	{
		1237	dREQ (REQ_ENV_LOCK_DETECT);
		1238	req->env = env;
		1239	req->uint1 = flags;
		1240	req->uint2 = atype;
		1241	REQ_SEND;
		1242	}
		1243
		1244	void
		1245	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1246	CODE:
		1247	{
		1248	dREQ (REQ_ENV_MEMP_SYNC);
		1249	req->env = env;
		1250	REQ_SEND;
		1251	}
		1252
		1253	void
		1254	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1255	CODE:
		1256	{
		1257	dREQ (REQ_ENV_MEMP_TRICKLE);
		1258	req->env = env;
		1259	req->int1 = percent;
		1260	REQ_SEND;
		1261	}
		1262
910		1263
911	DB *	1264	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1265	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1266	CODE:
914	{	1267	{
915	int err = db_create (&RETVAL, env, flags);	1268	errno = db_create (&RETVAL, env, flags);
916	if (err)	1269	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1270	croak ("db_create: %s", db_strerror (errno));
918	}
919		1271
		1272	if (RETVAL)
		1273	RETVAL->app_private = (void *)newSVsv (ST (0));
		1274	}
		1275	OUTPUT:
		1276	RETVAL
		1277
920	void	1278	void
921	bdb_db_open (DB *db, DB_TXN *txnid, const char *file, const char *database, int type, U32 flags, int mode, SV *callback = 0)	1279	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
922	CODE:	1280	CODE:
923	{	1281	{
924	dREQ (REQ_DB_OPEN);	1282	dREQ (REQ_DB_OPEN);
925	req->db = db;	1283	req->db = db;
926	req->txn = txnid;	1284	req->txn = txnid;
927	req->buf1 = strdup (file);	1285	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1286	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1287	req->int1 = type;
930	req->uint1 = flags;	1288	req->uint1 = flags | DB_THREAD;
931	req->int2 = mode;	1289	req->int2 = mode;
932	REQ_SEND;	1290	REQ_SEND;
933	}	1291	}
934		1292
935	void	1293	void
936	bdb_db_close (DB *db, U32 flags = 0, SV *callback = 0)	1294	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
937	CODE:	1295	CODE:
938	{	1296	{
939	dREQ (REQ_DB_CLOSE);	1297	dREQ (REQ_DB_CLOSE);
940	req->db = db;	1298	req->db = db;
941	req->uint1 = flags;	1299	req->uint1 = flags;
		1300	req->sv1 = (SV *)db->app_private;
		1301	REQ_SEND;
		1302	ptr_nuke (ST (0));
		1303	}
		1304
		1305	void
		1306	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)
		1307	CODE:
		1308	{
		1309	dREQ (REQ_DB_COMPACT);
		1310	req->db = db;
		1311	req->txn = txn;
		1312	sv_to_dbt (&req->dbt1, start);
		1313	sv_to_dbt (&req->dbt2, stop);
		1314	req->uint1 = flags;
		1315	REQ_SEND;
		1316	}
		1317
		1318	void
		1319	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
		1320	CODE:
		1321	{
		1322	dREQ (REQ_DB_SYNC);
		1323	req->db = db;
		1324	req->uint1 = flags;
		1325	REQ_SEND;
		1326	}
		1327
		1328	void
		1329	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1330	CODE:
		1331	{
		1332	dREQ (REQ_DB_KEY_RANGE);
		1333	req->db = db;
		1334	req->txn = txn;
		1335	sv_to_dbt (&req->dbt1, key);
		1336	req->uint1 = flags;
		1337	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1338	REQ_SEND;
		1339	}
		1340
		1341	void
		1342	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1343	CODE:
		1344	{
		1345	dREQ (REQ_DB_PUT);
		1346	req->db = db;
		1347	req->txn = txn;
		1348	sv_to_dbt (&req->dbt1, key);
		1349	sv_to_dbt (&req->dbt2, data);
		1350	req->uint1 = flags;
		1351	REQ_SEND;
		1352	}
		1353
		1354	void
		1355	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1356	CODE:
		1357	{
		1358	dREQ (REQ_DB_GET);
		1359	req->db = db;
		1360	req->txn = txn;
		1361	req->uint1 = flags;
		1362	sv_to_dbt (&req->dbt1, key);
		1363	req->dbt3.flags = DB_DBT_MALLOC;
		1364	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1365	REQ_SEND;
		1366	}
		1367
		1368	void
		1369	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1370	CODE:
		1371	{
		1372	dREQ (REQ_DB_PGET);
		1373	req->db = db;
		1374	req->txn = txn;
		1375	req->uint1 = flags;
		1376	sv_to_dbt (&req->dbt1, key);
		1377	sv_to_dbt (&req->dbt2, pkey);
		1378	req->dbt3.flags = DB_DBT_MALLOC;
		1379	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1380	REQ_SEND;
		1381	}
		1382
		1383	void
		1384	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1385	CODE:
		1386	{
		1387	dREQ (REQ_DB_DEL);
		1388	req->db = db;
		1389	req->txn = txn;
		1390	req->uint1 = flags;
		1391	sv_to_dbt (&req->dbt1, key);
		1392	REQ_SEND;
		1393	}
		1394
		1395	void
		1396	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1397	CODE:
		1398	{
		1399	dREQ (REQ_TXN_COMMIT);
		1400	req->txn = txn;
		1401	req->uint1 = flags;
		1402	REQ_SEND;
		1403	ptr_nuke (ST (0));
		1404	}
		1405
		1406	void
		1407	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1408	CODE:
		1409	{
		1410	dREQ (REQ_TXN_ABORT);
		1411	req->txn = txn;
		1412	REQ_SEND;
		1413	ptr_nuke (ST (0));
		1414	}
		1415
		1416	void
		1417	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1418	CODE:
		1419	{
		1420	dREQ (REQ_C_CLOSE);
		1421	req->dbc = dbc;
		1422	REQ_SEND;
		1423	ptr_nuke (ST (0));
		1424	}
		1425
		1426	void
		1427	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1428	CODE:
		1429	{
		1430	dREQ (REQ_C_COUNT);
		1431	req->dbc = dbc;
		1432	req->sv1 = SvREFCNT_inc (count);
		1433	REQ_SEND;
		1434	}
		1435
		1436	void
		1437	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1438	CODE:
		1439	{
		1440	dREQ (REQ_C_PUT);
		1441	req->dbc = dbc;
		1442	sv_to_dbt (&req->dbt1, key);
		1443	sv_to_dbt (&req->dbt2, data);
		1444	req->uint1 = flags;
		1445	REQ_SEND;
		1446	}
		1447
		1448	void
		1449	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1450	CODE:
		1451	{
		1452	dREQ (REQ_C_GET);
		1453	req->dbc = dbc;
		1454	req->uint1 = flags;
		1455	if ((flags & DB_SET) == DB_SET
		1456	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1457	sv_to_dbt (&req->dbt1, key);
		1458	else
		1459	req->dbt1.flags = DB_DBT_MALLOC;
		1460
		1461	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1462
		1463	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1464	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1465	sv_to_dbt (&req->dbt3, data);
		1466	else
		1467	req->dbt3.flags = DB_DBT_MALLOC;
		1468
		1469	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1470	REQ_SEND;
		1471	}
		1472
		1473	void
		1474	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1475	CODE:
		1476	{
		1477	dREQ (REQ_C_PGET);
		1478	req->dbc = dbc;
		1479	req->uint1 = flags;
		1480	if ((flags & DB_SET) == DB_SET
		1481	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1482	sv_to_dbt (&req->dbt1, key);
		1483	else
		1484	req->dbt1.flags = DB_DBT_MALLOC;
		1485
		1486	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1487
		1488	req->dbt2.flags = DB_DBT_MALLOC;
		1489	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1490
		1491	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1492	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1493	sv_to_dbt (&req->dbt3, data);
		1494	else
		1495	req->dbt3.flags = DB_DBT_MALLOC;
		1496
		1497	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1498	REQ_SEND;
		1499	}
		1500
		1501	void
		1502	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1503	CODE:
		1504	{
		1505	dREQ (REQ_C_DEL);
		1506	req->dbc = dbc;
		1507	req->uint1 = flags;
		1508	REQ_SEND;
		1509	}
		1510
		1511
		1512	void
		1513	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1514	CODE:
		1515	{
		1516	dREQ (REQ_SEQ_OPEN);
		1517	req->seq = seq;
		1518	req->txn = txnid;
		1519	req->uint1 = flags | DB_THREAD;
		1520	sv_to_dbt (&req->dbt1, key);
		1521	REQ_SEND;
		1522	}
		1523
		1524	void
		1525	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1526	CODE:
		1527	{
		1528	dREQ (REQ_SEQ_CLOSE);
		1529	req->seq = seq;
		1530	req->uint1 = flags;
		1531	REQ_SEND;
		1532	ptr_nuke (ST (0));
		1533	}
		1534
		1535	void
		1536	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)
		1537	CODE:
		1538	{
		1539	dREQ (REQ_SEQ_GET);
		1540	req->seq = seq;
		1541	req->txn = txnid;
		1542	req->int1 = delta;
		1543	req->uint1 = flags;
		1544	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1545	REQ_SEND;
		1546	}
		1547
		1548	void
		1549	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1550	CODE:
		1551	{
		1552	dREQ (REQ_SEQ_REMOVE);
		1553	req->seq = seq;
		1554	req->txn = txnid;
		1555	req->uint1 = flags;
942	REQ_SEND;	1556	REQ_SEND;
943	}	1557	}
944		1558
945		1559
946	MODULE = BDB PACKAGE = BDB::Env	1560	MODULE = BDB PACKAGE = BDB::Env
947		1561
		1562	void
		1563	DESTROY (DB_ENV_ornull *env)
		1564	CODE:
		1565	if (env)
		1566	env->close (env, 0);
		1567
		1568	int set_data_dir (DB_ENV *env, const char *dir)
		1569	CODE:
		1570	RETVAL = env->set_data_dir (env, dir);
		1571	OUTPUT:
		1572	RETVAL
		1573
		1574	int set_tmp_dir (DB_ENV *env, const char *dir)
		1575	CODE:
		1576	RETVAL = env->set_tmp_dir (env, dir);
		1577	OUTPUT:
		1578	RETVAL
		1579
		1580	int set_lg_dir (DB_ENV *env, const char *dir)
		1581	CODE:
		1582	RETVAL = env->set_lg_dir (env, dir);
		1583	OUTPUT:
		1584	RETVAL
		1585
		1586	int set_shm_key (DB_ENV *env, long shm_key)
		1587	CODE:
		1588	RETVAL = env->set_shm_key (env, shm_key);
		1589	OUTPUT:
		1590	RETVAL
		1591
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1592	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		1593	CODE:
		1594	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		1595	OUTPUT:
		1596	RETVAL
949		1597
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	1598	int set_flags (DB_ENV *env, U32 flags, int onoff)
		1599	CODE:
		1600	RETVAL = env->set_flags (env, flags, onoff);
		1601	OUTPUT:
		1602	RETVAL
951		1603
952	int set_encrypt (DB_ENV *env, const char *password, U32 flags)	1604	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		1605	CODE:
		1606	RETVAL = env->set_encrypt (env, password, flags);
		1607	OUTPUT:
		1608	RETVAL
		1609
		1610	int set_timeout (DB_ENV *env, NV timeout, U32 flags)
		1611	CODE:
		1612	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1613	OUTPUT:
		1614	RETVAL
		1615
		1616	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1617	CODE:
		1618	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1619	OUTPUT:
		1620	RETVAL
		1621
		1622	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1623	CODE:
		1624	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1625	OUTPUT:
		1626	RETVAL
		1627
		1628	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1629	CODE:
		1630	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1631	OUTPUT:
		1632	RETVAL
		1633
		1634	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1635	CODE:
		1636	RETVAL = env->set_lk_detect (env, detect);
		1637	OUTPUT:
		1638	RETVAL
		1639
		1640	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1641	CODE:
		1642	RETVAL = env->set_lk_max_lockers (env, max);
		1643	OUTPUT:
		1644	RETVAL
		1645
		1646	int set_lk_max_locks (DB_ENV *env, U32 max)
		1647	CODE:
		1648	RETVAL = env->set_lk_max_locks (env, max);
		1649	OUTPUT:
		1650	RETVAL
		1651
		1652	int set_lk_max_objects (DB_ENV *env, U32 max)
		1653	CODE:
		1654	RETVAL = env->set_lk_max_objects (env, max);
		1655	OUTPUT:
		1656	RETVAL
		1657
		1658	int set_lg_bsize (DB_ENV *env, U32 max)
		1659	CODE:
		1660	RETVAL = env->set_lg_bsize (env, max);
		1661	OUTPUT:
		1662	RETVAL
		1663
		1664	int set_lg_max (DB_ENV *env, U32 max)
		1665	CODE:
		1666	RETVAL = env->set_lg_max (env, max);
		1667	OUTPUT:
		1668	RETVAL
		1669
		1670	DB_TXN *
		1671	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1672	CODE:
		1673	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1674	if (errno)
		1675	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1676	OUTPUT:
		1677	RETVAL
953		1678
954	MODULE = BDB PACKAGE = BDB::Db	1679	MODULE = BDB PACKAGE = BDB::Db
955		1680
		1681	void
		1682	DESTROY (DB_ornull *db)
		1683	CODE:
		1684	if (db)
		1685	{
		1686	SV *env = (SV *)db->app_private;
		1687	db->close (db, 0);
		1688	SvREFCNT_dec (env);
		1689	}
		1690
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1691	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		1692	CODE:
		1693	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		1694	OUTPUT:
		1695	RETVAL
957		1696
958	int set_flags (DB *env, U32 flags, int onoff)	1697	int set_flags (DB *db, U32 flags);
		1698	CODE:
		1699	RETVAL = db->set_flags (db, flags);
		1700	OUTPUT:
		1701	RETVAL
959		1702
960	int set_encrypt (DB *db, const char *password, U32 flags)	1703	int set_encrypt (DB *db, const char *password, U32 flags)
		1704	CODE:
		1705	RETVAL = db->set_encrypt (db, password, flags);
		1706	OUTPUT:
		1707	RETVAL
961		1708
962	int set_lorder (DB *db, int lorder)	1709	int set_lorder (DB *db, int lorder)
963		1710	CODE:
		1711	RETVAL = db->set_lorder (db, lorder);
		1712	OUTPUT:
		1713	RETVAL
964		1714
965	int set_bt_minkey (DB *db, U32 minkey)	1715	int set_bt_minkey (DB *db, U32 minkey)
		1716	CODE:
		1717	RETVAL = db->set_bt_minkey (db, minkey);
		1718	OUTPUT:
		1719	RETVAL
966		1720
967	int set_re_delim(DB *db, int delim);	1721	int set_re_delim(DB *db, int delim);
		1722	CODE:
		1723	RETVAL = db->set_re_delim (db, delim);
		1724	OUTPUT:
		1725	RETVAL
968		1726
969	int set_re_pad (DB *db, int re_pad)	1727	int set_re_pad (DB *db, int re_pad)
		1728	CODE:
		1729	RETVAL = db->set_re_pad (db, re_pad);
		1730	OUTPUT:
		1731	RETVAL
970		1732
971	int set_re_source (DB *db, char *source)	1733	int set_re_source (DB *db, char *source)
		1734	CODE:
		1735	RETVAL = db->set_re_source (db, source);
		1736	OUTPUT:
		1737	RETVAL
972		1738
973	int set_re_len (DB *db, U32 re_len)	1739	int set_re_len (DB *db, U32 re_len)
		1740	CODE:
		1741	RETVAL = db->set_re_len (db, re_len);
		1742	OUTPUT:
		1743	RETVAL
974		1744
975	int set_h_ffactor (DB *db, U32 h_ffactor)	1745	int set_h_ffactor (DB *db, U32 h_ffactor)
		1746	CODE:
		1747	RETVAL = db->set_h_ffactor (db, h_ffactor);
		1748	OUTPUT:
		1749	RETVAL
976		1750
977	int set_h_nelem (DB *db, U32 h_nelem)	1751	int set_h_nelem (DB *db, U32 h_nelem)
		1752	CODE:
		1753	RETVAL = db->set_h_nelem (db, h_nelem);
		1754	OUTPUT:
		1755	RETVAL
978		1756
979	int set_q_extentsize (DB *db, U32 extentsize)	1757	int set_q_extentsize (DB *db, U32 extentsize)
		1758	CODE:
		1759	RETVAL = db->set_q_extentsize (db, extentsize);
		1760	OUTPUT:
		1761	RETVAL
980		1762
		1763	DBC *
		1764	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1765	CODE:
		1766	errno = db->cursor (db, txn, &RETVAL, flags);
		1767	if (errno)
		1768	croak ("DB->cursor: %s", db_strerror (errno));
		1769	OUTPUT:
		1770	RETVAL
981		1771
		1772	DB_SEQUENCE *
		1773	sequence (DB *db, U32 flags = 0)
		1774	CODE:
		1775	{
		1776	errno = db_sequence_create (&RETVAL, db, flags);
		1777	if (errno)
		1778	croak ("db_sequence_create: %s", db_strerror (errno));
		1779	}
		1780	OUTPUT:
		1781	RETVAL
		1782
		1783
		1784	MODULE = BDB PACKAGE = BDB::Txn
		1785
		1786	void
		1787	DESTROY (DB_TXN_ornull *txn)
		1788	CODE:
		1789	if (txn)
		1790	txn->abort (txn);
		1791
		1792	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
		1793	CODE:
		1794	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1795	OUTPUT:
		1796	RETVAL
		1797
		1798
		1799	MODULE = BDB PACKAGE = BDB::Cursor
		1800
		1801	void
		1802	DESTROY (DBC_ornull *dbc)
		1803	CODE:
		1804	if (dbc)
		1805	dbc->c_close (dbc);
		1806
		1807	MODULE = BDB PACKAGE = BDB::Sequence
		1808
		1809	void
		1810	DESTROY (DB_SEQUENCE_ornull *seq)
		1811	CODE:
		1812	if (seq)
		1813	seq->close (seq, 0);
		1814
		1815	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1816	CODE:
		1817	RETVAL = seq->initial_value (seq, value);
		1818	OUTPUT:
		1819	RETVAL
		1820
		1821	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1822	CODE:
		1823	RETVAL = seq->set_cachesize (seq, size);
		1824	OUTPUT:
		1825	RETVAL
		1826
		1827	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1828	CODE:
		1829	RETVAL = seq->set_flags (seq, flags);
		1830	OUTPUT:
		1831	RETVAL
		1832
		1833	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1834	CODE:
		1835	RETVAL = seq->set_range (seq, min, max);
		1836	OUTPUT:
		1837	RETVAL
		1838

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