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Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.14 by root, Sun Jul 8 13:41:03 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	typedef char *octetstring;
47		47
48	static SV *prepare_cb;	48	static SV *prepare_cb;
49		49
		50	static void
		51	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		52	{
		53	printf ("err[%s]\n", msg);
		54	}
		55
		56	static void
		57	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		58	{
		59	printf ("msg[%s]\n", msg);
		60	}
		61
50	static inline char *	62	static char *
51	strdup_ornull (const char *s)	63	strdup_ornull (const char *s)
52	{	64	{
53	return s ? strdup (s) : 0;	65	return s ? strdup (s) : 0;
54	}	66	}
55		67
		68	static void
		69	sv_to_dbt (DBT *dbt, SV *sv)
		70	{
		71	STRLEN len;
		72	char *data = SvPVbyte (sv, len);
		73
		74	dbt->data = malloc (len);
		75	memcpy (dbt->data, data, len);
		76	dbt->size = len;
		77	dbt->flags = DB_DBT_REALLOC;
		78	}
		79
		80	static void
		81	dbt_to_sv (SV *sv, DBT *dbt)
		82	{
		83	if (sv)
		84	{
		85	SvREADONLY_off (sv);
		86	sv_setpvn_mg (sv, dbt->data, dbt->size);
		87	SvREFCNT_dec (sv);
		88	}
		89
		90	free (dbt->data);
		91	}
		92
56	enum {	93	enum {
57	REQ_QUIT,	94	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	95	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		96	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	97	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		98	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		99	REQ_TXN_COMMIT, REQ_TXN_ABORT,
		100	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		101	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	102	};
61		103
62	typedef struct aio_cb	104	typedef struct aio_cb
63	{	105	{
64	struct aio_cb *volatile next;	106	struct aio_cb *volatile next;
…		…
66	int type, pri, result;	108	int type, pri, result;
67		109
68	DB_ENV *env;	110	DB_ENV *env;
69	DB *db;	111	DB *db;
70	DB_TXN *txn;	112	DB_TXN *txn;
71	DBC *cursor;	113	DBC *dbc;
		114
		115	UV uv1;
72	int int1, int2;	116	int int1, int2;
73	U32 uint1, uint2;	117	U32 uint1, uint2;
74	char *buf1, *buf2;	118	char *buf1, *buf2;
		119	SV *sv1, *sv2, *sv3;
75		120
76	DBT dbt1, dbt2, dbt3;	121	DBT dbt1, dbt2, dbt3;
		122	DB_KEY_RANGE key_range;
		123	DB_SEQUENCE *seq;
		124	db_seq_t seq_t;
77	} aio_cb;	125	} aio_cb;
78		126
79	typedef aio_cb *aio_req;	127	typedef aio_cb *aio_req;
80		128
81	enum {	129	enum {
…		…
101		149
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	150	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		151
104	static unsigned int started, idle, wanted;	152	static unsigned int started, idle, wanted;
105		153
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	154	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	155	static mutex_t wrklock = X_MUTEX_INIT;
117		156
118	typedef struct worker {	157	typedef struct worker {
119	/* locked by wrklock */	158	/* locked by wrklock */
120	struct worker *prev, *next;	159	struct worker *prev, *next;
121		160
122	pthread_t tid;	161	thread_t tid;
123		162
124	/* locked by reslock, reqlock or wrklock */	163	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	164	aio_req req; /* currently processed request */
126	void *dbuf;	165	void *dbuf;
127	DIR *dirp;	166	DIR *dirp;
…		…
142	}	181	}
143		182
144	static volatile unsigned int nreqs, nready, npending;	183	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	184	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	185	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	186	static int respipe [2], respipe_osf [2];
148		187
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	188	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	189	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	190	static cond_t reqwait = X_COND_INIT;
152		191
153	#if WORDACCESS_UNSAFE	192	#if WORDACCESS_UNSAFE
154		193
155	static unsigned int get_nready ()	194	static unsigned int get_nready ()
156	{	195	{
157	unsigned int retval;	196	unsigned int retval;
158		197
159	LOCK (reqlock);	198	X_LOCK (reqlock);
160	retval = nready;	199	retval = nready;
161	UNLOCK (reqlock);	200	X_UNLOCK (reqlock);
162		201
163	return retval;	202	return retval;
164	}	203	}
165		204
166	static unsigned int get_npending ()	205	static unsigned int get_npending ()
167	{	206	{
168	unsigned int retval;	207	unsigned int retval;
169		208
170	LOCK (reslock);	209	X_LOCK (reslock);
171	retval = npending;	210	retval = npending;
172	UNLOCK (reslock);	211	X_UNLOCK (reslock);
173		212
174	return retval;	213	return retval;
175	}	214	}
176		215
177	static unsigned int get_nthreads ()	216	static unsigned int get_nthreads ()
178	{	217	{
179	unsigned int retval;	218	unsigned int retval;
180		219
181	LOCK (wrklock);	220	X_LOCK (wrklock);
182	retval = started;	221	retval = started;
183	UNLOCK (wrklock);	222	X_UNLOCK (wrklock);
184		223
185	return retval;	224	return retval;
186	}	225	}
187		226
188	#else	227	#else
…		…
258	if (SvOK (req->callback))	297	if (SvOK (req->callback))
259	{	298	{
260	ENTER;	299	ENTER;
261	SAVETMPS;	300	SAVETMPS;
262	PUSHMARK (SP);	301	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		302
265	switch (req->type)	303	switch (req->type)
266	{	304	{
		305	case REQ_DB_CLOSE:
		306	SvREFCNT_dec (req->sv1);
		307	break;
		308
		309	case REQ_DB_GET:
		310	case REQ_DB_PGET:
		311	dbt_to_sv (req->sv3, &req->dbt3);
		312	break;
		313
		314	case REQ_C_GET:
		315	case REQ_C_PGET:
		316	dbt_to_sv (req->sv1, &req->dbt1);
		317	dbt_to_sv (req->sv2, &req->dbt2);
		318	dbt_to_sv (req->sv3, &req->dbt3);
		319	break;
		320
		321	case REQ_DB_KEY_RANGE:
		322	{
		323	AV *av = newAV ();
		324
		325	av_push (av, newSVnv (req->key_range.less));
		326	av_push (av, newSVnv (req->key_range.equal));
		327	av_push (av, newSVnv (req->key_range.greater));
		328
		329	SvREADONLY_off (req->sv1);
		330	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		331	SvREFCNT_dec (req->sv1);
		332	}
		333	break;
		334
		335	case REQ_SEQ_GET:
		336	SvREADONLY_off (req->sv1);
		337
		338	if (sizeof (IV) > 4)
		339	sv_setiv_mg (req->sv1, req->seq_t);
		340	else
		341	sv_setnv_mg (req->sv1, req->seq_t);
		342
		343	SvREFCNT_dec (req->sv1);
		344	break;
267	}	345	}
268		346
269	errno = req->result;	347	errno = req->result;
270		348
271	PUTBACK;	349	PUTBACK;
…		…
284	free (req->buf1);	362	free (req->buf1);
285	free (req->buf2);	363	free (req->buf2);
286	Safefree (req);	364	Safefree (req);
287	}	365	}
288		366
289	static void *aio_proc (void *arg);	367	#ifdef USE_SOCKETS_AS_HANDLES
		368	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		369	#else
		370	# define TO_SOCKET(x) (x)
		371	#endif
		372
		373	static void
		374	create_pipe (int fd[2])
		375	{
		376	#ifdef _WIN32
		377	int arg = 1;
		378	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
		379	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
		380	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
		381	#else
		382	if (pipe (fd)
		383	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
		384	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
		385	#endif
		386	croak ("unable to initialize result pipe");
		387
		388	respipe_osf [0] = TO_SOCKET (respipe [0]);
		389	respipe_osf [1] = TO_SOCKET (respipe [1]);
		390	}
		391
		392	X_THREAD_PROC (bdb_proc);
290		393
291	static void start_thread (void)	394	static void start_thread (void)
292	{	395	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	396	worker *wrk = calloc (1, sizeof (worker));
297		397
298	if (!wrk)	398	if (!wrk)
299	croak ("unable to allocate worker thread data");	399	croak ("unable to allocate worker thread data");
300		400
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	401	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	402	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	403	{
314	wrk->prev = &wrk_first;	404	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	405	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	406	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	407	wrk_first.next = wrk;
318	++started;	408	++started;
319	}	409	}
320	else	410	else
321	free (wrk);	411	free (wrk);
322		412
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	413	X_UNLOCK (wrklock);
325	}	414	}
326		415
327	static void maybe_start_thread ()	416	static void maybe_start_thread ()
328	{	417	{
329	if (get_nthreads () >= wanted)	418	if (get_nthreads () >= wanted)
…		…
341	SV *wait_callback = 0;	430	SV *wait_callback = 0;
342		431
343	// synthesize callback if none given	432	// synthesize callback if none given
344	if (!SvOK (req->callback))	433	if (!SvOK (req->callback))
345	{	434	{
		435	int count;
		436
346	dSP;	437	dSP;
347	PUSHMARK (SP);	438	PUSHMARK (SP);
348	PUTBACK;	439	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	440	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	441	SPAGAIN;
351		442
352	if (count != 2)	443	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	444	croak ("prepare callback must return exactly two values\n");
354		445
…		…
357	req->callback = SvREFCNT_inc (POPs);	448	req->callback = SvREFCNT_inc (POPs);
358	}	449	}
359		450
360	++nreqs;	451	++nreqs;
361		452
362	LOCK (reqlock);	453	X_LOCK (reqlock);
363	++nready;	454	++nready;
364	reqq_push (&req_queue, req);	455	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	456	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	457	X_UNLOCK (reqlock);
367		458
368	maybe_start_thread ();	459	maybe_start_thread ();
369		460
370	if (wait_callback)	461	if (wait_callback)
371	{	462	{
…		…
384	Newz (0, req, 1, aio_cb);	475	Newz (0, req, 1, aio_cb);
385		476
386	req->type = REQ_QUIT;	477	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	478	req->pri = PRI_MAX + PRI_BIAS;
388		479
389	LOCK (reqlock);	480	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	481	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	482	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	483	X_UNLOCK (reqlock);
393		484
394	LOCK (wrklock);	485	X_LOCK (wrklock);
395	--started;	486	--started;
396	UNLOCK (wrklock);	487	X_UNLOCK (wrklock);
397	}	488	}
398		489
399	static void set_max_idle (int nthreads)	490	static void set_max_idle (int nthreads)
400	{	491	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	492	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	493	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	494	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	495	}
405		496
406	static void min_parallel (int nthreads)	497	static void min_parallel (int nthreads)
407	{	498	{
408	if (wanted < nthreads)	499	if (wanted < nthreads)
…		…
423	fd_set rfd;	514	fd_set rfd;
424		515
425	while (nreqs)	516	while (nreqs)
426	{	517	{
427	int size;	518	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	519	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	520	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	521	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		522
432	if (size)	523	if (size)
433	return;	524	return;
434		525
435	maybe_start_thread ();	526	maybe_start_thread ();
436		527
437	FD_ZERO(&rfd);	528	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	529	FD_SET (respipe [0], &rfd);
439		530
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	531	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	532	}
442	}	533	}
443		534
444	static int poll_cb ()	535	static int poll_cb ()
445	{	536	{
…		…
457	{	548	{
458	for (;;)	549	for (;;)
459	{	550	{
460	maybe_start_thread ();	551	maybe_start_thread ();
461		552
462	LOCK (reslock);	553	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	554	req = reqq_shift (&res_queue);
464		555
465	if (req)	556	if (req)
466	{	557	{
467	--npending;	558	--npending;
468		559
469	if (!res_queue.size)	560	if (!res_queue.size)
470	{	561	{
471	/* read any signals sent by the worker threads */	562	/* read any signals sent by the worker threads */
472	char buf [4];	563	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	564	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	565	;
475	}	566	}
476	}	567	}
477		568
478	UNLOCK (reslock);	569	X_UNLOCK (reslock);
479		570
480	if (!req)	571	if (!req)
481	break;	572	break;
482		573
483	--nreqs;	574	--nreqs;
…		…
513	}	604	}
514		605
515	return count;	606	return count;
516	}	607	}
517		608
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	609	/*****************************************************************************/
531		610
532	static void *aio_proc (void *thr_arg)	611	X_THREAD_PROC (bdb_proc)
533	{	612	{
534	aio_req req;	613	aio_req req;
535	struct timespec ts;	614	struct timespec ts;
536	worker *self = (worker *)thr_arg;	615	worker *self = (worker *)thr_arg;
537		616
538	/* try to distribute timeouts somewhat evenly */	617	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	618	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		619
542	for (;;)	620	for (;;)
543	{	621	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	622	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		623
546	LOCK (reqlock);	624	X_LOCK (reqlock);
547		625
548	for (;;)	626	for (;;)
549	{	627	{
550	self->req = req = reqq_shift (&req_queue);	628	self->req = req = reqq_shift (&req_queue);
551		629
552	if (req)	630	if (req)
553	break;	631	break;
554		632
555	++idle;	633	++idle;
556		634
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	635	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	636	== ETIMEDOUT)
559	{	637	{
560	if (idle > max_idle)	638	if (idle > max_idle)
561	{	639	{
562	--idle;	640	--idle;
563	UNLOCK (reqlock);	641	X_UNLOCK (reqlock);
564	LOCK (wrklock);	642	X_LOCK (wrklock);
565	--started;	643	--started;
566	UNLOCK (wrklock);	644	X_UNLOCK (wrklock);
567	goto quit;	645	goto quit;
568	}	646	}
569		647
570	/* we are allowed to idle, so do so without any timeout */	648	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	649	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	650	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	651	}
574		652
575	--idle;	653	--idle;
576	}	654	}
577		655
578	--nready;	656	--nready;
579		657
580	UNLOCK (reqlock);	658	X_UNLOCK (reqlock);
581		659
582	switch (req->type)	660	switch (req->type)
583	{	661	{
584	case REQ_QUIT:	662	case REQ_QUIT:
585	goto quit;	663	goto quit;
…		…
590		668
591	case REQ_ENV_CLOSE:	669	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	670	req->result = req->env->close (req->env, req->uint1);
593	break;	671	break;
594		672
		673	case REQ_ENV_TXN_CHECKPOINT:
		674	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		675	break;
		676
		677	case REQ_ENV_LOCK_DETECT:
		678	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		679	break;
		680
		681	case REQ_ENV_MEMP_SYNC:
		682	req->result = req->env->memp_sync (req->env, 0);
		683	break;
		684
		685	case REQ_ENV_MEMP_TRICKLE:
		686	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		687	break;
		688
595	case REQ_DB_OPEN:	689	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	690	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	691	break;
598		692
599	case REQ_DB_CLOSE:	693	case REQ_DB_CLOSE:
…		…
610		704
611	case REQ_DB_PUT:	705	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	706	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	707	break;
614		708
		709	case REQ_DB_GET:
		710	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		711	break;
		712
		713	case REQ_DB_PGET:
		714	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		715	break;
		716
		717	case REQ_DB_DEL:
		718	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		719	break;
		720
		721	case REQ_DB_KEY_RANGE:
		722	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		723	break;
		724
		725	case REQ_TXN_COMMIT:
		726	req->result = req->txn->commit (req->txn, req->uint1);
		727	break;
		728
		729	case REQ_TXN_ABORT:
		730	req->result = req->txn->abort (req->txn);
		731	break;
		732
		733	case REQ_C_CLOSE:
		734	req->result = req->dbc->c_close (req->dbc);
		735	break;
		736
		737	case REQ_C_COUNT:
		738	{
		739	db_recno_t recno;
		740	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		741	req->uv1 = recno;
		742	}
		743	break;
		744
		745	case REQ_C_PUT:
		746	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		747	break;
		748
		749	case REQ_C_GET:
		750	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		751	break;
		752
		753	case REQ_C_PGET:
		754	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		755	break;
		756
		757	case REQ_C_DEL:
		758	req->result = req->dbc->c_del (req->dbc, req->uint1);
		759	break;
		760
		761	case REQ_SEQ_OPEN:
		762	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		763	break;
		764
		765	case REQ_SEQ_CLOSE:
		766	req->result = req->seq->close (req->seq, req->uint1);
		767	break;
		768
		769	case REQ_SEQ_GET:
		770	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		771	break;
		772
		773	case REQ_SEQ_REMOVE:
		774	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		775	break;
		776
615	default:	777	default:
616	req->result = ENOSYS;	778	req->result = ENOSYS;
617	break;	779	break;
618	}	780	}
619		781
620	LOCK (reslock);	782	X_LOCK (reslock);
621		783
622	++npending;	784	++npending;
623		785
624	if (!reqq_push (&res_queue, req))	786	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	787	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	788	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		789
628	self->req = 0;	790	self->req = 0;
629	worker_clear (self);	791	worker_clear (self);
630		792
631	UNLOCK (reslock);	793	X_UNLOCK (reslock);
632	}	794	}
633		795
634	quit:	796	quit:
635	LOCK (wrklock);	797	X_LOCK (wrklock);
636	worker_free (self);	798	worker_free (self);
637	UNLOCK (wrklock);	799	X_UNLOCK (wrklock);
638		800
639	return 0;	801	return 0;
640	}	802	}
641		803
642	/*****************************************************************************/	804	/*****************************************************************************/
643		805
644	static void atfork_prepare (void)	806	static void atfork_prepare (void)
645	{	807	{
646	LOCK (wrklock);	808	X_LOCK (wrklock);
647	LOCK (reqlock);	809	X_LOCK (reqlock);
648	LOCK (reslock);	810	X_LOCK (reslock);
649	}	811	}
650		812
651	static void atfork_parent (void)	813	static void atfork_parent (void)
652	{	814	{
653	UNLOCK (reslock);	815	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	816	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	817	X_UNLOCK (wrklock);
656	}	818	}
657		819
658	static void atfork_child (void)	820	static void atfork_child (void)
659	{	821	{
660	aio_req prv;	822	aio_req prv;
…		…
680	idle = 0;	842	idle = 0;
681	nreqs = 0;	843	nreqs = 0;
682	nready = 0;	844	nready = 0;
683	npending = 0;	845	npending = 0;
684		846
685	close (respipe [0]);	847	respipe_close (respipe [0]);
686	close (respipe [1]);	848	respipe_close (respipe [1]);
		849
687	create_pipe ();	850	create_pipe (respipe);
688		851
689	atfork_parent ();	852	atfork_parent ();
690	}	853	}
691		854
692	#define dREQ(reqtype) \	855	#define dREQ(reqtype) \
…		…
706	req->pri = req_pri	869	req->pri = req_pri
707		870
708	#define REQ_SEND \	871	#define REQ_SEND \
709	req_send (req)	872	req_send (req)
710		873
711	#define SvPTR(var, arg, type, class) \	874	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	875	if (!SvOK (arg)) \
		876	{ \
		877	if (!nullok) \
		878	croak (# var " must be a " # class " object, not undef"); \
		879	\
713	(var) = 0; \	880	(var) = 0; \
		881	} \
714	else if (sv_derived_from ((arg), # class)) \	882	else if (sv_derived_from ((arg), # class)) \
715	{ \	883	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	884	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	885	(var) = INT2PTR (type, tmp); \
		886	if (!var) \
		887	croak (# var " is not a valid " # class " object anymore"); \
718	} \	888	} \
719	else \	889	else \
720	Perl_croak (# var " is not of type " # class)	890	croak (# var " is not of type " # class); \
		891	\
721		892
722	inline void	893	static void
723	set_dbt (DBT *dbt, SV *sv)	894	ptr_nuke (SV *sv)
724	{	895	{
725	STRLEN len;	896	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	897	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	898	}
732		899
733	MODULE = BDB PACKAGE = BDB	900	MODULE = BDB PACKAGE = BDB
734		901
735	PROTOTYPES: ENABLE	902	PROTOTYPES: ENABLE
736		903
737	BOOT:	904	BOOT:
…		…
767	const_iv (DSYNC_DB)	934	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	935	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	936	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	937	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	938	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	939	const_iv (NOMMAP)
774	const_iv (NOPANIC)	940	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	941	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	942	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	943	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	944	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	945	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)
781	const_iv (TXN_WRITE_NOSYNC)	946	const_iv (TXN_WRITE_NOSYNC)
		947	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	948	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	949	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	950	const_iv (XA_CREATE)
785	const_iv (BTREE)	951	const_iv (BTREE)
786	const_iv (HASH)	952	const_iv (HASH)
…		…
801	const_iv (RENUMBER)	967	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	968	const_iv (REVSPLITOFF)
803	const_iv (INORDER)	969	const_iv (INORDER)
804	const_iv (CONSUME)	970	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	971	const_iv (CONSUME_WAIT)
		972	const_iv (GET_BOTH)
		973	const_iv (GET_BOTH_RANGE)
		974	//const_iv (SET_RECNO)
		975	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	976	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	977	const_iv (JOIN_ITEM)
808	const_iv (RMW)	978	const_iv (RMW)
809		979
810	const_iv (NOTFOUND)	980	const_iv (NOTFOUND)
…		…
813	const_iv (LOCK_NOTGRANTED)	983	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	984	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	985	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	986	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	987	const_iv (REP_LOCKOUT)
		988	const_iv (SECONDARY_BAD)
818		989
819	const_iv (FREE_SPACE)	990	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)	991	const_iv (FREELIST_ONLY)
821		992
822	const_iv (APPEND)	993	const_iv (APPEND)
823	const_iv (NODUPDATA)	994	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	995	const_iv (NOOVERWRITE)
825		996
826	const_iv (TXN_NOWAIT)	997	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	998	const_iv (TXN_SYNC)
829		999
830	const_iv (SET_LOCK_TIMEOUT)	1000	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1001	const_iv (SET_TXN_TIMEOUT)
		1002
		1003	const_iv (JOIN_ITEM)
		1004	const_iv (FIRST)
		1005	const_iv (NEXT)
		1006	const_iv (NEXT_DUP)
		1007	const_iv (NEXT_NODUP)
		1008	const_iv (PREV)
		1009	const_iv (PREV_NODUP)
		1010	const_iv (SET)
		1011	const_iv (SET_RANGE)
		1012	const_iv (LAST)
		1013	const_iv (BEFORE)
		1014	const_iv (AFTER)
		1015	const_iv (CURRENT)
		1016	const_iv (KEYFIRST)
		1017	const_iv (KEYLAST)
		1018	const_iv (NODUPDATA)
		1019
		1020	const_iv (FORCE)
		1021
		1022	const_iv (LOCK_DEFAULT)
		1023	const_iv (LOCK_EXPIRE)
		1024	const_iv (LOCK_MAXLOCKS)
		1025	const_iv (LOCK_MAXWRITE)
		1026	const_iv (LOCK_MINLOCKS)
		1027	const_iv (LOCK_MINWRITE)
		1028	const_iv (LOCK_OLDEST)
		1029	const_iv (LOCK_RANDOM)
		1030	const_iv (LOCK_YOUNGEST)
		1031
		1032	const_iv (SEQ_DEC)
		1033	const_iv (SEQ_INC)
		1034	const_iv (SEQ_WRAP)
		1035
		1036	const_iv (BUFFER_SMALL)
		1037	const_iv (DONOTINDEX)
		1038	const_iv (KEYEMPTY )
		1039	const_iv (KEYEXIST )
		1040	const_iv (LOCK_DEADLOCK)
		1041	const_iv (LOCK_NOTGRANTED)
		1042	const_iv (LOG_BUFFER_FULL)
		1043	const_iv (NOSERVER)
		1044	const_iv (NOSERVER_HOME)
		1045	const_iv (NOSERVER_ID)
		1046	const_iv (NOTFOUND)
		1047	const_iv (OLD_VERSION)
		1048	const_iv (PAGE_NOTFOUND)
		1049	const_iv (REP_DUPMASTER)
		1050	const_iv (REP_HANDLE_DEAD)
		1051	const_iv (REP_HOLDELECTION)
		1052	const_iv (REP_IGNORE)
		1053	const_iv (REP_ISPERM)
		1054	const_iv (REP_JOIN_FAILURE)
		1055	const_iv (REP_LOCKOUT)
		1056	const_iv (REP_NEWMASTER)
		1057	const_iv (REP_NEWSITE)
		1058	const_iv (REP_NOTPERM)
		1059	const_iv (REP_UNAVAIL)
		1060	const_iv (RUNRECOVERY)
		1061	const_iv (SECONDARY_BAD)
		1062	const_iv (VERIFY_BAD)
		1063	const_iv (VERSION_MISMATCH)
		1064
		1065	const_iv (VERB_DEADLOCK)
		1066	const_iv (VERB_RECOVERY)
		1067	const_iv (VERB_REGISTER)
		1068	const_iv (VERB_REPLICATION)
		1069	const_iv (VERB_WAITSFOR)
		1070
		1071	const_iv (VERSION_MAJOR)
		1072	const_iv (VERSION_MINOR)
		1073	const_iv (VERSION_PATCH)
		1074	#if DB_VERSION_MINOR >= 5
		1075	const_iv (MULTIVERSION)
		1076	const_iv (TXN_SNAPSHOT)
		1077	#endif
832	};	1078	};
833		1079
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1080	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1081	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1082
837	create_pipe ();	1083	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1084	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1085
		1086	create_pipe (respipe);
		1087
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1088	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1089	#ifdef _WIN32
		1090	X_MUTEX_CHECK (wrklock);
		1091	X_MUTEX_CHECK (reslock);
		1092	X_MUTEX_CHECK (reqlock);
		1093
		1094	X_COND_CHECK (reqwait);
		1095	#endif
839	}	1096	}
840		1097
841	void	1098	void
842	max_poll_reqs (int nreqs)	1099	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1100	PROTOTYPE: $
…		…
962		1219
963	int	1220	int
964	nthreads ()	1221	nthreads ()
965	PROTOTYPE:	1222	PROTOTYPE:
966	CODE:	1223	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1224	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1225	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1226	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1227	OUTPUT:
971	RETVAL	1228	RETVAL
972		1229
973	void	1230	void
974	set_sync_prepare (SV *cb)	1231	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1232	PROTOTYPE: &
976	CODE:	1233	CODE:
977	SvREFCNT_dec (prepare_cb);	1234	SvREFCNT_dec (prepare_cb);
978	prepare_cb = newSVsv (cb);	1235	prepare_cb = newSVsv (cb);
		1236
		1237	char *
		1238	strerror (int errorno = errno)
		1239	PROTOTYPE: ;$
		1240	CODE:
		1241	RETVAL = db_strerror (errorno);
		1242	OUTPUT:
		1243	RETVAL
979		1244
980	DB_ENV *	1245	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1246	db_env_create (U32 env_flags = 0)
982	CODE:	1247	CODE:
983	{	1248	{
984	errno = db_env_create (&RETVAL, env_flags);	1249	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1250	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1251	croak ("db_env_create: %s", db_strerror (errno));
		1252
		1253	if (0)
		1254	{
		1255	RETVAL->set_errcall (RETVAL, debug_errcall);
		1256	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1257	}
987	}	1258	}
988	OUTPUT:	1259	OUTPUT:
989	RETVAL	1260	RETVAL
990		1261
991	void	1262	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1263	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
993	CODE:	1264	CODE:
994	{	1265	{
995	dREQ (REQ_ENV_OPEN);	1266	dREQ (REQ_ENV_OPEN);
		1267
		1268	env->set_thread_count (env, wanted + 2);
		1269
996	req->env = env;	1270	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1271	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1272	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1273	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1274	REQ_SEND;
…		…
1006	{	1280	{
1007	dREQ (REQ_ENV_CLOSE);	1281	dREQ (REQ_ENV_CLOSE);
1008	req->env = env;	1282	req->env = env;
1009	req->uint1 = flags;	1283	req->uint1 = flags;
1010	REQ_SEND;	1284	REQ_SEND;
		1285	ptr_nuke (ST (0));
1011	}	1286	}
		1287
		1288	void
		1289	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1290	CODE:
		1291	{
		1292	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1293	req->env = env;
		1294	req->uint1 = kbyte;
		1295	req->int1 = min;
		1296	req->uint2 = flags;
		1297	REQ_SEND;
		1298	}
		1299
		1300	void
		1301	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1302	CODE:
		1303	{
		1304	dREQ (REQ_ENV_LOCK_DETECT);
		1305	req->env = env;
		1306	req->uint1 = flags;
		1307	req->uint2 = atype;
		1308	REQ_SEND;
		1309	}
		1310
		1311	void
		1312	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1313	CODE:
		1314	{
		1315	dREQ (REQ_ENV_MEMP_SYNC);
		1316	req->env = env;
		1317	REQ_SEND;
		1318	}
		1319
		1320	void
		1321	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1322	CODE:
		1323	{
		1324	dREQ (REQ_ENV_MEMP_TRICKLE);
		1325	req->env = env;
		1326	req->int1 = percent;
		1327	REQ_SEND;
		1328	}
		1329
1012		1330
1013	DB *	1331	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1332	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1333	CODE:
1016	{	1334	{
1017	errno = db_create (&RETVAL, env, flags);	1335	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1336	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1337	croak ("db_create: %s", db_strerror (errno));
		1338
		1339	if (RETVAL)
		1340	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1341	}
1021	OUTPUT:	1342	OUTPUT:
1022	RETVAL	1343	RETVAL
1023		1344
1024	void	1345	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1346	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1026	CODE:	1347	CODE:
1027	{	1348	{
1028	dREQ (REQ_DB_OPEN);	1349	dREQ (REQ_DB_OPEN);
1029	req->db = db;	1350	req->db = db;
1030	req->txn = txnid;	1351	req->txn = txnid;
…		…
1041	CODE:	1362	CODE:
1042	{	1363	{
1043	dREQ (REQ_DB_CLOSE);	1364	dREQ (REQ_DB_CLOSE);
1044	req->db = db;	1365	req->db = db;
1045	req->uint1 = flags;	1366	req->uint1 = flags;
		1367	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1368	REQ_SEND;
		1369	ptr_nuke (ST (0));
1047	}	1370	}
1048		1371
1049	void	1372	void
1050	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1373	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)
1051	CODE:	1374	CODE:
1052	{	1375	{
1053	dREQ (REQ_DB_COMPACT);	1376	dREQ (REQ_DB_COMPACT);
1054	req->db = db;	1377	req->db = db;
1055	req->txn = txn;	1378	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1379	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1380	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1381	req->uint1 = flags;
1059	REQ_SEND;	1382	REQ_SEND;
1060	}	1383	}
1061		1384
1062	void	1385	void
…		…
1068	req->uint1 = flags;	1391	req->uint1 = flags;
1069	REQ_SEND;	1392	REQ_SEND;
1070	}	1393	}
1071		1394
1072	void	1395	void
		1396	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1397	CODE:
		1398	{
		1399	dREQ (REQ_DB_KEY_RANGE);
		1400	req->db = db;
		1401	req->txn = txn;
		1402	sv_to_dbt (&req->dbt1, key);
		1403	req->uint1 = flags;
		1404	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1405	REQ_SEND;
		1406	}
		1407
		1408	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1409	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1074	CODE:	1410	CODE:
1075	{	1411	{
1076	dREQ (REQ_DB_PUT);	1412	dREQ (REQ_DB_PUT);
1077	req->db = db;	1413	req->db = db;
1078	req->txn = 0;	1414	req->txn = txn;
1079	set_dbt (&req->dbt1, key);	1415	sv_to_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);	1416	sv_to_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1417	req->uint1 = flags;
1082	REQ_SEND;	1418	REQ_SEND;
1083	}	1419	}
1084		1420
		1421	void
		1422	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1423	CODE:
		1424	{
		1425	dREQ (REQ_DB_GET);
		1426	req->db = db;
		1427	req->txn = txn;
		1428	req->uint1 = flags;
		1429	sv_to_dbt (&req->dbt1, key);
		1430	req->dbt3.flags = DB_DBT_MALLOC;
		1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1432	REQ_SEND;
		1433	}
		1434
		1435	void
		1436	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1437	CODE:
		1438	{
		1439	dREQ (REQ_DB_PGET);
		1440	req->db = db;
		1441	req->txn = txn;
		1442	req->uint1 = flags;
		1443	sv_to_dbt (&req->dbt1, key);
		1444	sv_to_dbt (&req->dbt2, pkey);
		1445	req->dbt3.flags = DB_DBT_MALLOC;
		1446	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1447	REQ_SEND;
		1448	}
		1449
		1450	void
		1451	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1452	CODE:
		1453	{
		1454	dREQ (REQ_DB_DEL);
		1455	req->db = db;
		1456	req->txn = txn;
		1457	req->uint1 = flags;
		1458	sv_to_dbt (&req->dbt1, key);
		1459	REQ_SEND;
		1460	}
		1461
		1462	void
		1463	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1464	CODE:
		1465	{
		1466	dREQ (REQ_TXN_COMMIT);
		1467	req->txn = txn;
		1468	req->uint1 = flags;
		1469	REQ_SEND;
		1470	ptr_nuke (ST (0));
		1471	}
		1472
		1473	void
		1474	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1475	CODE:
		1476	{
		1477	dREQ (REQ_TXN_ABORT);
		1478	req->txn = txn;
		1479	REQ_SEND;
		1480	ptr_nuke (ST (0));
		1481	}
		1482
		1483	void
		1484	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1485	CODE:
		1486	{
		1487	dREQ (REQ_C_CLOSE);
		1488	req->dbc = dbc;
		1489	REQ_SEND;
		1490	ptr_nuke (ST (0));
		1491	}
		1492
		1493	void
		1494	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1495	CODE:
		1496	{
		1497	dREQ (REQ_C_COUNT);
		1498	req->dbc = dbc;
		1499	req->sv1 = SvREFCNT_inc (count);
		1500	REQ_SEND;
		1501	}
		1502
		1503	void
		1504	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1505	CODE:
		1506	{
		1507	dREQ (REQ_C_PUT);
		1508	req->dbc = dbc;
		1509	sv_to_dbt (&req->dbt1, key);
		1510	sv_to_dbt (&req->dbt2, data);
		1511	req->uint1 = flags;
		1512	REQ_SEND;
		1513	}
		1514
		1515	void
		1516	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1517	CODE:
		1518	{
		1519	dREQ (REQ_C_GET);
		1520	req->dbc = dbc;
		1521	req->uint1 = flags;
		1522	if ((flags & DB_SET) == DB_SET
		1523	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1524	sv_to_dbt (&req->dbt1, key);
		1525	else
		1526	req->dbt1.flags = DB_DBT_MALLOC;
		1527
		1528	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1529
		1530	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1531	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1532	sv_to_dbt (&req->dbt3, data);
		1533	else
		1534	req->dbt3.flags = DB_DBT_MALLOC;
		1535
		1536	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1537	REQ_SEND;
		1538	}
		1539
		1540	void
		1541	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1542	CODE:
		1543	{
		1544	dREQ (REQ_C_PGET);
		1545	req->dbc = dbc;
		1546	req->uint1 = flags;
		1547	if ((flags & DB_SET) == DB_SET
		1548	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1549	sv_to_dbt (&req->dbt1, key);
		1550	else
		1551	req->dbt1.flags = DB_DBT_MALLOC;
		1552
		1553	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1554
		1555	req->dbt2.flags = DB_DBT_MALLOC;
		1556	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1557
		1558	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1559	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1560	sv_to_dbt (&req->dbt3, data);
		1561	else
		1562	req->dbt3.flags = DB_DBT_MALLOC;
		1563
		1564	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1565	REQ_SEND;
		1566	}
		1567
		1568	void
		1569	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1570	CODE:
		1571	{
		1572	dREQ (REQ_C_DEL);
		1573	req->dbc = dbc;
		1574	req->uint1 = flags;
		1575	REQ_SEND;
		1576	}
		1577
		1578
		1579	void
		1580	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1581	CODE:
		1582	{
		1583	dREQ (REQ_SEQ_OPEN);
		1584	req->seq = seq;
		1585	req->txn = txnid;
		1586	req->uint1 = flags | DB_THREAD;
		1587	sv_to_dbt (&req->dbt1, key);
		1588	REQ_SEND;
		1589	}
		1590
		1591	void
		1592	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1593	CODE:
		1594	{
		1595	dREQ (REQ_SEQ_CLOSE);
		1596	req->seq = seq;
		1597	req->uint1 = flags;
		1598	REQ_SEND;
		1599	ptr_nuke (ST (0));
		1600	}
		1601
		1602	void
		1603	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)
		1604	CODE:
		1605	{
		1606	dREQ (REQ_SEQ_GET);
		1607	req->seq = seq;
		1608	req->txn = txnid;
		1609	req->int1 = delta;
		1610	req->uint1 = flags;
		1611	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1612	REQ_SEND;
		1613	}
		1614
		1615	void
		1616	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1617	CODE:
		1618	{
		1619	dREQ (REQ_SEQ_REMOVE);
		1620	req->seq = seq;
		1621	req->txn = txnid;
		1622	req->uint1 = flags;
		1623	REQ_SEND;
		1624	}
		1625
1085		1626
1086	MODULE = BDB PACKAGE = BDB::Env	1627	MODULE = BDB PACKAGE = BDB::Env
1087		1628
		1629	void
		1630	DESTROY (DB_ENV_ornull *env)
		1631	CODE:
		1632	if (env)
		1633	env->close (env, 0);
		1634
		1635	int set_data_dir (DB_ENV *env, const char *dir)
		1636	CODE:
		1637	RETVAL = env->set_data_dir (env, dir);
		1638	OUTPUT:
		1639	RETVAL
		1640
		1641	int set_tmp_dir (DB_ENV *env, const char *dir)
		1642	CODE:
		1643	RETVAL = env->set_tmp_dir (env, dir);
		1644	OUTPUT:
		1645	RETVAL
		1646
		1647	int set_lg_dir (DB_ENV *env, const char *dir)
		1648	CODE:
		1649	RETVAL = env->set_lg_dir (env, dir);
		1650	OUTPUT:
		1651	RETVAL
		1652
		1653	int set_shm_key (DB_ENV *env, long shm_key)
		1654	CODE:
		1655	RETVAL = env->set_shm_key (env, shm_key);
		1656	OUTPUT:
		1657	RETVAL
		1658
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1659	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	1660	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1661	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	1662	OUTPUT:
1092	RETVAL	1663	RETVAL
…		…
1095	CODE:	1666	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	1667	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	1668	OUTPUT:
1098	RETVAL	1669	RETVAL
1099		1670
		1671	void set_errfile (DB_ENV *env, FILE *errfile)
		1672	CODE:
		1673	env->set_errfile (env, errfile);
		1674
		1675	void set_msgfile (DB_ENV *env, FILE *msgfile)
		1676	CODE:
		1677	env->set_msgfile (env, msgfile);
		1678
		1679	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1680	CODE:
		1681	RETVAL = env->set_verbose (env, which, onoff);
		1682	OUTPUT:
		1683	RETVAL
		1684
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1685	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	1686	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	1687	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	1688	OUTPUT:
1104	RETVAL	1689	RETVAL
…		…
1107	CODE:	1692	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1693	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	1694	OUTPUT:
1110	RETVAL	1695	RETVAL
1111		1696
		1697	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1698	CODE:
		1699	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1700	OUTPUT:
		1701	RETVAL
		1702
		1703	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1704	CODE:
		1705	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1706	OUTPUT:
		1707	RETVAL
		1708
		1709	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1710	CODE:
		1711	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1712	OUTPUT:
		1713	RETVAL
		1714
		1715	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1716	CODE:
		1717	RETVAL = env->set_lk_detect (env, detect);
		1718	OUTPUT:
		1719	RETVAL
		1720
		1721	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1722	CODE:
		1723	RETVAL = env->set_lk_max_lockers (env, max);
		1724	OUTPUT:
		1725	RETVAL
		1726
		1727	int set_lk_max_locks (DB_ENV *env, U32 max)
		1728	CODE:
		1729	RETVAL = env->set_lk_max_locks (env, max);
		1730	OUTPUT:
		1731	RETVAL
		1732
		1733	int set_lk_max_objects (DB_ENV *env, U32 max)
		1734	CODE:
		1735	RETVAL = env->set_lk_max_objects (env, max);
		1736	OUTPUT:
		1737	RETVAL
		1738
		1739	int set_lg_bsize (DB_ENV *env, U32 max)
		1740	CODE:
		1741	RETVAL = env->set_lg_bsize (env, max);
		1742	OUTPUT:
		1743	RETVAL
		1744
		1745	int set_lg_max (DB_ENV *env, U32 max)
		1746	CODE:
		1747	RETVAL = env->set_lg_max (env, max);
		1748	OUTPUT:
		1749	RETVAL
		1750
		1751	DB_TXN *
		1752	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1753	CODE:
		1754	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1755	if (errno)
		1756	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1757	OUTPUT:
		1758	RETVAL
1112		1759
1113	MODULE = BDB PACKAGE = BDB::Db	1760	MODULE = BDB PACKAGE = BDB::Db
1114		1761
		1762	void
		1763	DESTROY (DB_ornull *db)
		1764	CODE:
		1765	if (db)
		1766	{
		1767	SV *env = (SV *)db->app_private;
		1768	db->close (db, 0);
		1769	SvREFCNT_dec (env);
		1770	}
		1771
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1772	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	1773	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1774	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	1775	OUTPUT:
1119	RETVAL	1776	RETVAL
…		…
1134	CODE:	1791	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	1792	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	1793	OUTPUT:
1137	RETVAL	1794	RETVAL
1138		1795
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	1796	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	1797	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	1798	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	1799	OUTPUT:
1144	RETVAL	1800	RETVAL
…		…
1183	CODE:	1839	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	1840	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	1841	OUTPUT:
1186	RETVAL	1842	RETVAL
1187		1843
		1844	DBC *
		1845	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1846	CODE:
		1847	errno = db->cursor (db, txn, &RETVAL, flags);
		1848	if (errno)
		1849	croak ("DB->cursor: %s", db_strerror (errno));
		1850	OUTPUT:
		1851	RETVAL
1188		1852
		1853	DB_SEQUENCE *
		1854	sequence (DB *db, U32 flags = 0)
		1855	CODE:
		1856	{
		1857	errno = db_sequence_create (&RETVAL, db, flags);
		1858	if (errno)
		1859	croak ("db_sequence_create: %s", db_strerror (errno));
		1860	}
		1861	OUTPUT:
		1862	RETVAL
		1863
		1864
		1865	MODULE = BDB PACKAGE = BDB::Txn
		1866
		1867	void
		1868	DESTROY (DB_TXN_ornull *txn)
		1869	CODE:
		1870	if (txn)
		1871	txn->abort (txn);
		1872
		1873	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
		1874	CODE:
		1875	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1876	OUTPUT:
		1877	RETVAL
		1878
		1879
		1880	MODULE = BDB PACKAGE = BDB::Cursor
		1881
		1882	void
		1883	DESTROY (DBC_ornull *dbc)
		1884	CODE:
		1885	if (dbc)
		1886	dbc->c_close (dbc);
		1887
		1888	MODULE = BDB PACKAGE = BDB::Sequence
		1889
		1890	void
		1891	DESTROY (DB_SEQUENCE_ornull *seq)
		1892	CODE:
		1893	if (seq)
		1894	seq->close (seq, 0);
		1895
		1896	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1897	CODE:
		1898	RETVAL = seq->initial_value (seq, value);
		1899	OUTPUT:
		1900	RETVAL
		1901
		1902	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1903	CODE:
		1904	RETVAL = seq->set_cachesize (seq, size);
		1905	OUTPUT:
		1906	RETVAL
		1907
		1908	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1909	CODE:
		1910	RETVAL = seq->set_flags (seq, flags);
		1911	OUTPUT:
		1912	RETVAL
		1913
		1914	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1915	CODE:
		1916	RETVAL = seq->set_range (seq, min, max);
		1917	OUTPUT:
		1918	RETVAL
		1919

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