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Comparing BDB/BDB.xs (file contents):
Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs.
Revision 1.16 by root, Mon Aug 13 12:01:45 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	#if DB_VERSION_MINOR >= 6
		51	# define c_close close
		52	# define c_count count
		53	# define c_del del
		54	# define c_dup dup
		55	# define c_get get
		56	# define c_pget pget
		57	# define c_put put
		58	#endif
		59
		60	static void
		61	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		62	{
		63	printf ("err[%s]\n", msg);
		64	}
		65
		66	static void
		67	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		68	{
		69	printf ("msg[%s]\n", msg);
		70	}
		71
50	static inline char *	72	static char *
51	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
52	{	74	{
53	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
54	}	76	}
55		77
		78	static void
		79	sv_to_dbt (DBT *dbt, SV *sv)
		80	{
		81	STRLEN len;
		82	char *data = SvPVbyte (sv, len);
		83
		84	dbt->data = malloc (len);
		85	memcpy (dbt->data, data, len);
		86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
		88	}
		89
		90	static void
		91	dbt_to_sv (SV *sv, DBT *dbt)
		92	{
		93	if (sv)
		94	{
		95	SvREADONLY_off (sv);
		96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
		99
		100	free (dbt->data);
		101	}
		102
56	enum {	103	enum {
57	REQ_QUIT,	104	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		109	REQ_TXN_COMMIT, REQ_TXN_ABORT,
		110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	112	};
61		113
62	typedef struct aio_cb	114	typedef struct aio_cb
63	{	115	{
64	struct aio_cb *volatile next;	116	struct aio_cb *volatile next;
…		…
66	int type, pri, result;	118	int type, pri, result;
67		119
68	DB_ENV *env;	120	DB_ENV *env;
69	DB *db;	121	DB *db;
70	DB_TXN *txn;	122	DB_TXN *txn;
71	DBC *cursor;	123	DBC *dbc;
		124
		125	UV uv1;
72	int int1, int2;	126	int int1, int2;
73	U32 uint1, uint2;	127	U32 uint1, uint2;
74	char *buf1, *buf2;	128	char *buf1, *buf2;
		129	SV *sv1, *sv2, *sv3;
75		130
76	DBT dbt1, dbt2, dbt3;	131	DBT dbt1, dbt2, dbt3;
		132	DB_KEY_RANGE key_range;
		133	DB_SEQUENCE *seq;
		134	db_seq_t seq_t;
77	} aio_cb;	135	} aio_cb;
78		136
79	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
80		138
81	enum {	139	enum {
…		…
101		159
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		161
104	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
105		163
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 */	164	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
117		166
118	typedef struct worker {	167	typedef struct worker {
119	/* locked by wrklock */	168	/* locked by wrklock */
120	struct worker *prev, *next;	169	struct worker *prev, *next;
121		170
122	pthread_t tid;	171	thread_t tid;
123		172
124	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
126	void *dbuf;	175	void *dbuf;
127	DIR *dirp;	176	DIR *dirp;
…		…
142	}	191	}
143		192
144	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	196	static int respipe [2], respipe_osf [2];
148		197
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
152		201
153	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
154		203
155	static unsigned int get_nready ()	204	static unsigned int get_nready ()
156	{	205	{
157	unsigned int retval;	206	unsigned int retval;
158		207
159	LOCK (reqlock);	208	X_LOCK (reqlock);
160	retval = nready;	209	retval = nready;
161	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
162		211
163	return retval;	212	return retval;
164	}	213	}
165		214
166	static unsigned int get_npending ()	215	static unsigned int get_npending ()
167	{	216	{
168	unsigned int retval;	217	unsigned int retval;
169		218
170	LOCK (reslock);	219	X_LOCK (reslock);
171	retval = npending;	220	retval = npending;
172	UNLOCK (reslock);	221	X_UNLOCK (reslock);
173		222
174	return retval;	223	return retval;
175	}	224	}
176		225
177	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
178	{	227	{
179	unsigned int retval;	228	unsigned int retval;
180		229
181	LOCK (wrklock);	230	X_LOCK (wrklock);
182	retval = started;	231	retval = started;
183	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
184		233
185	return retval;	234	return retval;
186	}	235	}
187		236
188	#else	237	#else
…		…
258	if (SvOK (req->callback))	307	if (SvOK (req->callback))
259	{	308	{
260	ENTER;	309	ENTER;
261	SAVETMPS;	310	SAVETMPS;
262	PUSHMARK (SP);	311	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		312
265	switch (req->type)	313	switch (req->type)
266	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
		319	case REQ_DB_GET:
		320	case REQ_DB_PGET:
		321	dbt_to_sv (req->sv3, &req->dbt3);
		322	break;
		323
		324	case REQ_C_GET:
		325	case REQ_C_PGET:
		326	dbt_to_sv (req->sv1, &req->dbt1);
		327	dbt_to_sv (req->sv2, &req->dbt2);
		328	dbt_to_sv (req->sv3, &req->dbt3);
		329	break;
		330
		331	case REQ_DB_KEY_RANGE:
		332	{
		333	AV *av = newAV ();
		334
		335	av_push (av, newSVnv (req->key_range.less));
		336	av_push (av, newSVnv (req->key_range.equal));
		337	av_push (av, newSVnv (req->key_range.greater));
		338
		339	SvREADONLY_off (req->sv1);
		340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		341	SvREFCNT_dec (req->sv1);
		342	}
		343	break;
		344
		345	case REQ_SEQ_GET:
		346	SvREADONLY_off (req->sv1);
		347
		348	if (sizeof (IV) > 4)
		349	sv_setiv_mg (req->sv1, req->seq_t);
		350	else
		351	sv_setnv_mg (req->sv1, req->seq_t);
		352
		353	SvREFCNT_dec (req->sv1);
		354	break;
267	}	355	}
268		356
269	errno = req->result;	357	errno = req->result;
270		358
271	PUTBACK;	359	PUTBACK;
…		…
284	free (req->buf1);	372	free (req->buf1);
285	free (req->buf2);	373	free (req->buf2);
286	Safefree (req);	374	Safefree (req);
287	}	375	}
288		376
289	static void *aio_proc (void *arg);	377	#ifdef USE_SOCKETS_AS_HANDLES
		378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		379	#else
		380	# define TO_SOCKET(x) (x)
		381	#endif
		382
		383	static void
		384	create_pipe (int fd[2])
		385	{
		386	#ifdef _WIN32
		387	int arg = 1;
		388	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
		389	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
		390	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
		391	#else
		392	if (pipe (fd)
		393	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
		394	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
		395	#endif
		396	croak ("unable to initialize result pipe");
		397
		398	respipe_osf [0] = TO_SOCKET (respipe [0]);
		399	respipe_osf [1] = TO_SOCKET (respipe [1]);
		400	}
		401
		402	X_THREAD_PROC (bdb_proc);
290		403
291	static void start_thread (void)	404	static void start_thread (void)
292	{	405	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	406	worker *wrk = calloc (1, sizeof (worker));
297		407
298	if (!wrk)	408	if (!wrk)
299	croak ("unable to allocate worker thread data");	409	croak ("unable to allocate worker thread data");
300		410
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);	411	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	412	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	413	{
314	wrk->prev = &wrk_first;	414	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	415	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	416	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	417	wrk_first.next = wrk;
318	++started;	418	++started;
319	}	419	}
320	else	420	else
321	free (wrk);	421	free (wrk);
322		422
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	423	X_UNLOCK (wrklock);
325	}	424	}
326		425
327	static void maybe_start_thread ()	426	static void maybe_start_thread ()
328	{	427	{
329	if (get_nthreads () >= wanted)	428	if (get_nthreads () >= wanted)
…		…
341	SV *wait_callback = 0;	440	SV *wait_callback = 0;
342		441
343	// synthesize callback if none given	442	// synthesize callback if none given
344	if (!SvOK (req->callback))	443	if (!SvOK (req->callback))
345	{	444	{
		445	int count;
		446
346	dSP;	447	dSP;
347	PUSHMARK (SP);	448	PUSHMARK (SP);
348	PUTBACK;	449	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	450	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	451	SPAGAIN;
351		452
352	if (count != 2)	453	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	454	croak ("prepare callback must return exactly two values\n");
354		455
…		…
357	req->callback = SvREFCNT_inc (POPs);	458	req->callback = SvREFCNT_inc (POPs);
358	}	459	}
359		460
360	++nreqs;	461	++nreqs;
361		462
362	LOCK (reqlock);	463	X_LOCK (reqlock);
363	++nready;	464	++nready;
364	reqq_push (&req_queue, req);	465	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	466	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	467	X_UNLOCK (reqlock);
367		468
368	maybe_start_thread ();	469	maybe_start_thread ();
369		470
370	if (wait_callback)	471	if (wait_callback)
371	{	472	{
…		…
384	Newz (0, req, 1, aio_cb);	485	Newz (0, req, 1, aio_cb);
385		486
386	req->type = REQ_QUIT;	487	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	488	req->pri = PRI_MAX + PRI_BIAS;
388		489
389	LOCK (reqlock);	490	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	491	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	492	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	493	X_UNLOCK (reqlock);
393		494
394	LOCK (wrklock);	495	X_LOCK (wrklock);
395	--started;	496	--started;
396	UNLOCK (wrklock);	497	X_UNLOCK (wrklock);
397	}	498	}
398		499
399	static void set_max_idle (int nthreads)	500	static void set_max_idle (int nthreads)
400	{	501	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	502	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	503	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	504	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	505	}
405		506
406	static void min_parallel (int nthreads)	507	static void min_parallel (int nthreads)
407	{	508	{
408	if (wanted < nthreads)	509	if (wanted < nthreads)
…		…
423	fd_set rfd;	524	fd_set rfd;
424		525
425	while (nreqs)	526	while (nreqs)
426	{	527	{
427	int size;	528	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	529	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	530	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	531	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		532
432	if (size)	533	if (size)
433	return;	534	return;
434		535
435	maybe_start_thread ();	536	maybe_start_thread ();
436		537
437	FD_ZERO(&rfd);	538	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	539	FD_SET (respipe [0], &rfd);
439		540
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	541	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	542	}
442	}	543	}
443		544
444	static int poll_cb ()	545	static int poll_cb ()
445	{	546	{
…		…
457	{	558	{
458	for (;;)	559	for (;;)
459	{	560	{
460	maybe_start_thread ();	561	maybe_start_thread ();
461		562
462	LOCK (reslock);	563	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	564	req = reqq_shift (&res_queue);
464		565
465	if (req)	566	if (req)
466	{	567	{
467	--npending;	568	--npending;
468		569
469	if (!res_queue.size)	570	if (!res_queue.size)
470	{	571	{
471	/* read any signals sent by the worker threads */	572	/* read any signals sent by the worker threads */
472	char buf [4];	573	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	574	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	575	;
475	}	576	}
476	}	577	}
477		578
478	UNLOCK (reslock);	579	X_UNLOCK (reslock);
479		580
480	if (!req)	581	if (!req)
481	break;	582	break;
482		583
483	--nreqs;	584	--nreqs;
…		…
513	}	614	}
514		615
515	return count;	616	return count;
516	}	617	}
517		618
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	/*****************************************************************************/	619	/*****************************************************************************/
531		620
532	static void *aio_proc (void *thr_arg)	621	X_THREAD_PROC (bdb_proc)
533	{	622	{
534	aio_req req;	623	aio_req req;
535	struct timespec ts;	624	struct timespec ts;
536	worker *self = (worker *)thr_arg;	625	worker *self = (worker *)thr_arg;
537		626
538	/* try to distribute timeouts somewhat evenly */	627	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	628	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		629
542	for (;;)	630	for (;;)
543	{	631	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	632	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		633
546	LOCK (reqlock);	634	X_LOCK (reqlock);
547		635
548	for (;;)	636	for (;;)
549	{	637	{
550	self->req = req = reqq_shift (&req_queue);	638	self->req = req = reqq_shift (&req_queue);
551		639
552	if (req)	640	if (req)
553	break;	641	break;
554		642
555	++idle;	643	++idle;
556		644
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	645	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	646	== ETIMEDOUT)
559	{	647	{
560	if (idle > max_idle)	648	if (idle > max_idle)
561	{	649	{
562	--idle;	650	--idle;
563	UNLOCK (reqlock);	651	X_UNLOCK (reqlock);
564	LOCK (wrklock);	652	X_LOCK (wrklock);
565	--started;	653	--started;
566	UNLOCK (wrklock);	654	X_UNLOCK (wrklock);
567	goto quit;	655	goto quit;
568	}	656	}
569		657
570	/* we are allowed to idle, so do so without any timeout */	658	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	659	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	660	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	661	}
574		662
575	--idle;	663	--idle;
576	}	664	}
577		665
578	--nready;	666	--nready;
579		667
580	UNLOCK (reqlock);	668	X_UNLOCK (reqlock);
581		669
582	switch (req->type)	670	switch (req->type)
583	{	671	{
584	case REQ_QUIT:	672	case REQ_QUIT:
585	goto quit;	673	goto quit;
…		…
590		678
591	case REQ_ENV_CLOSE:	679	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	680	req->result = req->env->close (req->env, req->uint1);
593	break;	681	break;
594		682
		683	case REQ_ENV_TXN_CHECKPOINT:
		684	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		685	break;
		686
		687	case REQ_ENV_LOCK_DETECT:
		688	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		689	break;
		690
		691	case REQ_ENV_MEMP_SYNC:
		692	req->result = req->env->memp_sync (req->env, 0);
		693	break;
		694
		695	case REQ_ENV_MEMP_TRICKLE:
		696	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		697	break;
		698
595	case REQ_DB_OPEN:	699	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	700	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	701	break;
598		702
599	case REQ_DB_CLOSE:	703	case REQ_DB_CLOSE:
…		…
610		714
611	case REQ_DB_PUT:	715	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	716	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	717	break;
614		718
		719	case REQ_DB_GET:
		720	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		721	break;
		722
		723	case REQ_DB_PGET:
		724	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		725	break;
		726
		727	case REQ_DB_DEL:
		728	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		729	break;
		730
		731	case REQ_DB_KEY_RANGE:
		732	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		733	break;
		734
		735	case REQ_TXN_COMMIT:
		736	req->result = req->txn->commit (req->txn, req->uint1);
		737	break;
		738
		739	case REQ_TXN_ABORT:
		740	req->result = req->txn->abort (req->txn);
		741	break;
		742
		743	case REQ_C_CLOSE:
		744	req->result = req->dbc->c_close (req->dbc);
		745	break;
		746
		747	case REQ_C_COUNT:
		748	{
		749	db_recno_t recno;
		750	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		751	req->uv1 = recno;
		752	}
		753	break;
		754
		755	case REQ_C_PUT:
		756	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		757	break;
		758
		759	case REQ_C_GET:
		760	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		761	break;
		762
		763	case REQ_C_PGET:
		764	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		765	break;
		766
		767	case REQ_C_DEL:
		768	req->result = req->dbc->c_del (req->dbc, req->uint1);
		769	break;
		770
		771	case REQ_SEQ_OPEN:
		772	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		773	break;
		774
		775	case REQ_SEQ_CLOSE:
		776	req->result = req->seq->close (req->seq, req->uint1);
		777	break;
		778
		779	case REQ_SEQ_GET:
		780	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		781	break;
		782
		783	case REQ_SEQ_REMOVE:
		784	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		785	break;
		786
615	default:	787	default:
616	req->result = ENOSYS;	788	req->result = ENOSYS;
617	break;	789	break;
618	}	790	}
619		791
620	LOCK (reslock);	792	X_LOCK (reslock);
621		793
622	++npending;	794	++npending;
623		795
624	if (!reqq_push (&res_queue, req))	796	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	797	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	798	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		799
628	self->req = 0;	800	self->req = 0;
629	worker_clear (self);	801	worker_clear (self);
630		802
631	UNLOCK (reslock);	803	X_UNLOCK (reslock);
632	}	804	}
633		805
634	quit:	806	quit:
635	LOCK (wrklock);	807	X_LOCK (wrklock);
636	worker_free (self);	808	worker_free (self);
637	UNLOCK (wrklock);	809	X_UNLOCK (wrklock);
638		810
639	return 0;	811	return 0;
640	}	812	}
641		813
642	/*****************************************************************************/	814	/*****************************************************************************/
643		815
644	static void atfork_prepare (void)	816	static void atfork_prepare (void)
645	{	817	{
646	LOCK (wrklock);	818	X_LOCK (wrklock);
647	LOCK (reqlock);	819	X_LOCK (reqlock);
648	LOCK (reslock);	820	X_LOCK (reslock);
649	}	821	}
650		822
651	static void atfork_parent (void)	823	static void atfork_parent (void)
652	{	824	{
653	UNLOCK (reslock);	825	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	826	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	827	X_UNLOCK (wrklock);
656	}	828	}
657		829
658	static void atfork_child (void)	830	static void atfork_child (void)
659	{	831	{
660	aio_req prv;	832	aio_req prv;
…		…
680	idle = 0;	852	idle = 0;
681	nreqs = 0;	853	nreqs = 0;
682	nready = 0;	854	nready = 0;
683	npending = 0;	855	npending = 0;
684		856
685	close (respipe [0]);	857	respipe_close (respipe [0]);
686	close (respipe [1]);	858	respipe_close (respipe [1]);
		859
687	create_pipe ();	860	create_pipe (respipe);
688		861
689	atfork_parent ();	862	atfork_parent ();
690	}	863	}
691		864
692	#define dREQ(reqtype) \	865	#define dREQ(reqtype) \
…		…
706	req->pri = req_pri	879	req->pri = req_pri
707		880
708	#define REQ_SEND \	881	#define REQ_SEND \
709	req_send (req)	882	req_send (req)
710		883
711	#define SvPTR(var, arg, type, class) \	884	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	885	if (!SvOK (arg)) \
		886	{ \
		887	if (!nullok) \
		888	croak (# var " must be a " # class " object, not undef"); \
		889	\
713	(var) = 0; \	890	(var) = 0; \
		891	} \
714	else if (sv_derived_from ((arg), # class)) \	892	else if (sv_derived_from ((arg), # class)) \
715	{ \	893	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	894	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	895	(var) = INT2PTR (type, tmp); \
		896	if (!var) \
		897	croak (# var " is not a valid " # class " object anymore"); \
718	} \	898	} \
719	else \	899	else \
720	Perl_croak (# var " is not of type " # class)	900	croak (# var " is not of type " # class); \
		901	\
721		902
722	inline void	903	static void
723	set_dbt (DBT *dbt, SV *sv)	904	ptr_nuke (SV *sv)
724	{	905	{
725	STRLEN len;	906	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	907	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	908	}
732		909
733	MODULE = BDB PACKAGE = BDB	910	MODULE = BDB PACKAGE = BDB
734		911
735	PROTOTYPES: ENABLE	912	PROTOTYPES: ENABLE
736		913
737	BOOT:	914	BOOT:
…		…
767	const_iv (DSYNC_DB)	944	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	945	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	946	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	947	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	948	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	949	const_iv (NOMMAP)
774	const_iv (NOPANIC)	950	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	951	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	952	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	953	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	954	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	955	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)
781	const_iv (TXN_WRITE_NOSYNC)	956	const_iv (TXN_WRITE_NOSYNC)
		957	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	958	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	959	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	960	const_iv (XA_CREATE)
785	const_iv (BTREE)	961	const_iv (BTREE)
786	const_iv (HASH)	962	const_iv (HASH)
787	const_iv (QUEUE)	963	const_iv (QUEUE)
788	const_iv (RECNO)	964	const_iv (RECNO)
789	const_iv (UNKNOWN)	965	const_iv (UNKNOWN)
790	const_iv (EXCL)	966	const_iv (EXCL)
		967	const_iv (READ_COMMITTED)
791	const_iv (READ_UNCOMMITTED)	968	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	969	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	970	const_iv (NOSYNC)
794	const_iv (CHKSUM)	971	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	972	const_iv (ENCRYPT)
…		…
800	const_iv (RENUMBER)	977	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	978	const_iv (REVSPLITOFF)
802	const_iv (INORDER)	979	const_iv (INORDER)
803	const_iv (CONSUME)	980	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	981	const_iv (CONSUME_WAIT)
		982	const_iv (GET_BOTH)
		983	const_iv (GET_BOTH_RANGE)
		984	//const_iv (SET_RECNO)
		985	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	986	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	987	const_iv (JOIN_ITEM)
807	const_iv (RMW)	988	const_iv (RMW)
808		989
809	const_iv (NOTFOUND)	990	const_iv (NOTFOUND)
…		…
812	const_iv (LOCK_NOTGRANTED)	993	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	994	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	995	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	996	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	997	const_iv (REP_LOCKOUT)
		998	const_iv (SECONDARY_BAD)
817		999
818	const_iv (FREE_SPACE)	1000	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)	1001	const_iv (FREELIST_ONLY)
820		1002
821	const_iv (APPEND)	1003	const_iv (APPEND)
822	const_iv (NODUPDATA)	1004	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1005	const_iv (NOOVERWRITE)
824		1006
		1007	const_iv (TXN_NOWAIT)
		1008	const_iv (TXN_SYNC)
		1009
825	const_iv (SET_LOCK_TIMEOUT)	1010	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1011	const_iv (SET_TXN_TIMEOUT)
		1012
		1013	const_iv (JOIN_ITEM)
		1014	const_iv (FIRST)
		1015	const_iv (NEXT)
		1016	const_iv (NEXT_DUP)
		1017	const_iv (NEXT_NODUP)
		1018	const_iv (PREV)
		1019	const_iv (PREV_NODUP)
		1020	const_iv (SET)
		1021	const_iv (SET_RANGE)
		1022	const_iv (LAST)
		1023	const_iv (BEFORE)
		1024	const_iv (AFTER)
		1025	const_iv (CURRENT)
		1026	const_iv (KEYFIRST)
		1027	const_iv (KEYLAST)
		1028	const_iv (NODUPDATA)
		1029
		1030	const_iv (FORCE)
		1031
		1032	const_iv (LOCK_DEFAULT)
		1033	const_iv (LOCK_EXPIRE)
		1034	const_iv (LOCK_MAXLOCKS)
		1035	const_iv (LOCK_MAXWRITE)
		1036	const_iv (LOCK_MINLOCKS)
		1037	const_iv (LOCK_MINWRITE)
		1038	const_iv (LOCK_OLDEST)
		1039	const_iv (LOCK_RANDOM)
		1040	const_iv (LOCK_YOUNGEST)
		1041
		1042	const_iv (SEQ_DEC)
		1043	const_iv (SEQ_INC)
		1044	const_iv (SEQ_WRAP)
		1045
		1046	const_iv (BUFFER_SMALL)
		1047	const_iv (DONOTINDEX)
		1048	const_iv (KEYEMPTY )
		1049	const_iv (KEYEXIST )
		1050	const_iv (LOCK_DEADLOCK)
		1051	const_iv (LOCK_NOTGRANTED)
		1052	const_iv (LOG_BUFFER_FULL)
		1053	const_iv (NOSERVER)
		1054	const_iv (NOSERVER_HOME)
		1055	const_iv (NOSERVER_ID)
		1056	const_iv (NOTFOUND)
		1057	const_iv (OLD_VERSION)
		1058	const_iv (PAGE_NOTFOUND)
		1059	const_iv (REP_DUPMASTER)
		1060	const_iv (REP_HANDLE_DEAD)
		1061	const_iv (REP_HOLDELECTION)
		1062	const_iv (REP_IGNORE)
		1063	const_iv (REP_ISPERM)
		1064	const_iv (REP_JOIN_FAILURE)
		1065	const_iv (REP_LOCKOUT)
		1066	const_iv (REP_NEWMASTER)
		1067	const_iv (REP_NEWSITE)
		1068	const_iv (REP_NOTPERM)
		1069	const_iv (REP_UNAVAIL)
		1070	const_iv (RUNRECOVERY)
		1071	const_iv (SECONDARY_BAD)
		1072	const_iv (VERIFY_BAD)
		1073	const_iv (VERSION_MISMATCH)
		1074
		1075	const_iv (VERB_DEADLOCK)
		1076	const_iv (VERB_RECOVERY)
		1077	const_iv (VERB_REGISTER)
		1078	const_iv (VERB_REPLICATION)
		1079	const_iv (VERB_WAITSFOR)
		1080
		1081	const_iv (VERSION_MAJOR)
		1082	const_iv (VERSION_MINOR)
		1083	const_iv (VERSION_PATCH)
		1084	#if DB_VERSION_MINOR >= 5
		1085	const_iv (MULTIVERSION)
		1086	const_iv (TXN_SNAPSHOT)
		1087	#endif
		1088	#if DB_VERSION_MINOR >= 6
		1089	const_iv (PREV_DUP)
		1090	# if 0
		1091	const_iv (PRIORITY_UNCHANGED)
		1092	const_iv (PRIORITY_VERY_LOW)
		1093	const_iv (PRIORITY_LOW)
		1094	const_iv (PRIORITY_DEFAULT)
		1095	const_iv (PRIORITY_HIGH)
		1096	const_iv (PRIORITY_VERY_HIGH)
		1097	# endif
		1098	#endif
827	};	1099	};
828		1100
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1101	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1102	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
831		1103
832	create_pipe ();	1104	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1105	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1106
		1107	create_pipe (respipe);
		1108
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1109	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1110	#ifdef _WIN32
		1111	X_MUTEX_CHECK (wrklock);
		1112	X_MUTEX_CHECK (reslock);
		1113	X_MUTEX_CHECK (reqlock);
		1114
		1115	X_COND_CHECK (reqwait);
		1116	#endif
834	}	1117	}
835		1118
836	void	1119	void
837	max_poll_reqs (int nreqs)	1120	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1121	PROTOTYPE: $
…		…
957		1240
958	int	1241	int
959	nthreads ()	1242	nthreads ()
960	PROTOTYPE:	1243	PROTOTYPE:
961	CODE:	1244	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1245	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1246	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1247	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1248	OUTPUT:
966	RETVAL	1249	RETVAL
967		1250
968	void	1251	void
969	set_sync_prepare (SV *cb)	1252	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1253	PROTOTYPE: &
971	CODE:	1254	CODE:
972	SvREFCNT_dec (prepare_cb);	1255	SvREFCNT_dec (prepare_cb);
973	prepare_cb = newSVsv (cb);	1256	prepare_cb = newSVsv (cb);
		1257
		1258	char *
		1259	strerror (int errorno = errno)
		1260	PROTOTYPE: ;$
		1261	CODE:
		1262	RETVAL = db_strerror (errorno);
		1263	OUTPUT:
		1264	RETVAL
974		1265
975	DB_ENV *	1266	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1267	db_env_create (U32 env_flags = 0)
977	CODE:	1268	CODE:
978	{	1269	{
979	errno = db_env_create (&RETVAL, env_flags);	1270	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1271	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1272	croak ("db_env_create: %s", db_strerror (errno));
		1273
		1274	if (0)
		1275	{
		1276	RETVAL->set_errcall (RETVAL, debug_errcall);
		1277	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1278	}
982	}	1279	}
983	OUTPUT:	1280	OUTPUT:
984	RETVAL	1281	RETVAL
985		1282
986	void	1283	void
987	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1284	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
988	CODE:	1285	CODE:
989	{	1286	{
990	dREQ (REQ_ENV_OPEN);	1287	dREQ (REQ_ENV_OPEN);
		1288
		1289	env->set_thread_count (env, wanted + 2);
		1290
991	req->env = env;	1291	req->env = env;
992	req->uint1 = open_flags | DB_THREAD;	1292	req->uint1 = open_flags | DB_THREAD;
993	req->int1 = mode;	1293	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1294	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1295	REQ_SEND;
…		…
1001	{	1301	{
1002	dREQ (REQ_ENV_CLOSE);	1302	dREQ (REQ_ENV_CLOSE);
1003	req->env = env;	1303	req->env = env;
1004	req->uint1 = flags;	1304	req->uint1 = flags;
1005	REQ_SEND;	1305	REQ_SEND;
		1306	ptr_nuke (ST (0));
1006	}	1307	}
		1308
		1309	void
		1310	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1311	CODE:
		1312	{
		1313	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1314	req->env = env;
		1315	req->uint1 = kbyte;
		1316	req->int1 = min;
		1317	req->uint2 = flags;
		1318	REQ_SEND;
		1319	}
		1320
		1321	void
		1322	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1323	CODE:
		1324	{
		1325	dREQ (REQ_ENV_LOCK_DETECT);
		1326	req->env = env;
		1327	req->uint1 = flags;
		1328	req->uint2 = atype;
		1329	REQ_SEND;
		1330	}
		1331
		1332	void
		1333	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1334	CODE:
		1335	{
		1336	dREQ (REQ_ENV_MEMP_SYNC);
		1337	req->env = env;
		1338	REQ_SEND;
		1339	}
		1340
		1341	void
		1342	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1343	CODE:
		1344	{
		1345	dREQ (REQ_ENV_MEMP_TRICKLE);
		1346	req->env = env;
		1347	req->int1 = percent;
		1348	REQ_SEND;
		1349	}
		1350
1007		1351
1008	DB *	1352	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1353	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1354	CODE:
1011	{	1355	{
1012	errno = db_create (&RETVAL, env, flags);	1356	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1357	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1358	croak ("db_create: %s", db_strerror (errno));
		1359
		1360	if (RETVAL)
		1361	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1362	}
1016	OUTPUT:	1363	OUTPUT:
1017	RETVAL	1364	RETVAL
1018		1365
1019	void	1366	void
1020	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1367	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1021	CODE:	1368	CODE:
1022	{	1369	{
1023	dREQ (REQ_DB_OPEN);	1370	dREQ (REQ_DB_OPEN);
1024	req->db = db;	1371	req->db = db;
1025	req->txn = txnid;	1372	req->txn = txnid;
…		…
1036	CODE:	1383	CODE:
1037	{	1384	{
1038	dREQ (REQ_DB_CLOSE);	1385	dREQ (REQ_DB_CLOSE);
1039	req->db = db;	1386	req->db = db;
1040	req->uint1 = flags;	1387	req->uint1 = flags;
		1388	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1389	REQ_SEND;
		1390	ptr_nuke (ST (0));
1042	}	1391	}
1043		1392
1044	void	1393	void
1045	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)	1394	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)
1046	CODE:	1395	CODE:
1047	{	1396	{
1048	dREQ (REQ_DB_COMPACT);	1397	dREQ (REQ_DB_COMPACT);
1049	req->db = db;	1398	req->db = db;
1050	req->txn = txn;	1399	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1400	sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1401	sv_to_dbt (&req->dbt2, stop);
1053	req->uint1 = flags;	1402	req->uint1 = flags;
1054	REQ_SEND;	1403	REQ_SEND;
1055	}	1404	}
1056		1405
1057	void	1406	void
…		…
1063	req->uint1 = flags;	1412	req->uint1 = flags;
1064	REQ_SEND;	1413	REQ_SEND;
1065	}	1414	}
1066		1415
1067	void	1416	void
		1417	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1418	CODE:
		1419	{
		1420	dREQ (REQ_DB_KEY_RANGE);
		1421	req->db = db;
		1422	req->txn = txn;
		1423	sv_to_dbt (&req->dbt1, key);
		1424	req->uint1 = flags;
		1425	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1426	REQ_SEND;
		1427	}
		1428
		1429	void
1068	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1430	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1069	CODE:	1431	CODE:
1070	{	1432	{
1071	dREQ (REQ_DB_PUT);	1433	dREQ (REQ_DB_PUT);
1072	req->db = db;	1434	req->db = db;
1073	req->txn = 0;	1435	req->txn = txn;
1074	set_dbt (&req->dbt1, key);	1436	sv_to_dbt (&req->dbt1, key);
1075	set_dbt (&req->dbt2, data);	1437	sv_to_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1438	req->uint1 = flags;
1077	REQ_SEND;	1439	REQ_SEND;
1078	}	1440	}
1079		1441
		1442	void
		1443	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1444	CODE:
		1445	{
		1446	dREQ (REQ_DB_GET);
		1447	req->db = db;
		1448	req->txn = txn;
		1449	req->uint1 = flags;
		1450	sv_to_dbt (&req->dbt1, key);
		1451	req->dbt3.flags = DB_DBT_MALLOC;
		1452	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1453	REQ_SEND;
		1454	}
		1455
		1456	void
		1457	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1458	CODE:
		1459	{
		1460	dREQ (REQ_DB_PGET);
		1461	req->db = db;
		1462	req->txn = txn;
		1463	req->uint1 = flags;
		1464	sv_to_dbt (&req->dbt1, key);
		1465	sv_to_dbt (&req->dbt2, pkey);
		1466	req->dbt3.flags = DB_DBT_MALLOC;
		1467	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1468	REQ_SEND;
		1469	}
		1470
		1471	void
		1472	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1473	CODE:
		1474	{
		1475	dREQ (REQ_DB_DEL);
		1476	req->db = db;
		1477	req->txn = txn;
		1478	req->uint1 = flags;
		1479	sv_to_dbt (&req->dbt1, key);
		1480	REQ_SEND;
		1481	}
		1482
		1483	void
		1484	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1485	CODE:
		1486	{
		1487	dREQ (REQ_TXN_COMMIT);
		1488	req->txn = txn;
		1489	req->uint1 = flags;
		1490	REQ_SEND;
		1491	ptr_nuke (ST (0));
		1492	}
		1493
		1494	void
		1495	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1496	CODE:
		1497	{
		1498	dREQ (REQ_TXN_ABORT);
		1499	req->txn = txn;
		1500	REQ_SEND;
		1501	ptr_nuke (ST (0));
		1502	}
		1503
		1504	void
		1505	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1506	CODE:
		1507	{
		1508	dREQ (REQ_C_CLOSE);
		1509	req->dbc = dbc;
		1510	REQ_SEND;
		1511	ptr_nuke (ST (0));
		1512	}
		1513
		1514	void
		1515	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1516	CODE:
		1517	{
		1518	dREQ (REQ_C_COUNT);
		1519	req->dbc = dbc;
		1520	req->sv1 = SvREFCNT_inc (count);
		1521	REQ_SEND;
		1522	}
		1523
		1524	void
		1525	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1526	CODE:
		1527	{
		1528	dREQ (REQ_C_PUT);
		1529	req->dbc = dbc;
		1530	sv_to_dbt (&req->dbt1, key);
		1531	sv_to_dbt (&req->dbt2, data);
		1532	req->uint1 = flags;
		1533	REQ_SEND;
		1534	}
		1535
		1536	void
		1537	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1538	CODE:
		1539	{
		1540	dREQ (REQ_C_GET);
		1541	req->dbc = dbc;
		1542	req->uint1 = flags;
		1543	if ((flags & DB_SET) == DB_SET
		1544	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1545	sv_to_dbt (&req->dbt1, key);
		1546	else
		1547	req->dbt1.flags = DB_DBT_MALLOC;
		1548
		1549	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1550
		1551	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1552	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1553	sv_to_dbt (&req->dbt3, data);
		1554	else
		1555	req->dbt3.flags = DB_DBT_MALLOC;
		1556
		1557	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1558	REQ_SEND;
		1559	}
		1560
		1561	void
		1562	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1563	CODE:
		1564	{
		1565	dREQ (REQ_C_PGET);
		1566	req->dbc = dbc;
		1567	req->uint1 = flags;
		1568	if ((flags & DB_SET) == DB_SET
		1569	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1570	sv_to_dbt (&req->dbt1, key);
		1571	else
		1572	req->dbt1.flags = DB_DBT_MALLOC;
		1573
		1574	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1575
		1576	req->dbt2.flags = DB_DBT_MALLOC;
		1577	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1578
		1579	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1580	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1581	sv_to_dbt (&req->dbt3, data);
		1582	else
		1583	req->dbt3.flags = DB_DBT_MALLOC;
		1584
		1585	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1586	REQ_SEND;
		1587	}
		1588
		1589	void
		1590	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1591	CODE:
		1592	{
		1593	dREQ (REQ_C_DEL);
		1594	req->dbc = dbc;
		1595	req->uint1 = flags;
		1596	REQ_SEND;
		1597	}
		1598
		1599
		1600	void
		1601	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1602	CODE:
		1603	{
		1604	dREQ (REQ_SEQ_OPEN);
		1605	req->seq = seq;
		1606	req->txn = txnid;
		1607	req->uint1 = flags | DB_THREAD;
		1608	sv_to_dbt (&req->dbt1, key);
		1609	REQ_SEND;
		1610	}
		1611
		1612	void
		1613	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1614	CODE:
		1615	{
		1616	dREQ (REQ_SEQ_CLOSE);
		1617	req->seq = seq;
		1618	req->uint1 = flags;
		1619	REQ_SEND;
		1620	ptr_nuke (ST (0));
		1621	}
		1622
		1623	void
		1624	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)
		1625	CODE:
		1626	{
		1627	dREQ (REQ_SEQ_GET);
		1628	req->seq = seq;
		1629	req->txn = txnid;
		1630	req->int1 = delta;
		1631	req->uint1 = flags;
		1632	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1633	REQ_SEND;
		1634	}
		1635
		1636	void
		1637	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1638	CODE:
		1639	{
		1640	dREQ (REQ_SEQ_REMOVE);
		1641	req->seq = seq;
		1642	req->txn = txnid;
		1643	req->uint1 = flags;
		1644	REQ_SEND;
		1645	}
		1646
1080		1647
1081	MODULE = BDB PACKAGE = BDB::Env	1648	MODULE = BDB PACKAGE = BDB::Env
1082		1649
		1650	void
		1651	DESTROY (DB_ENV_ornull *env)
		1652	CODE:
		1653	if (env)
		1654	env->close (env, 0);
		1655
		1656	int set_data_dir (DB_ENV *env, const char *dir)
		1657	CODE:
		1658	RETVAL = env->set_data_dir (env, dir);
		1659	OUTPUT:
		1660	RETVAL
		1661
		1662	int set_tmp_dir (DB_ENV *env, const char *dir)
		1663	CODE:
		1664	RETVAL = env->set_tmp_dir (env, dir);
		1665	OUTPUT:
		1666	RETVAL
		1667
		1668	int set_lg_dir (DB_ENV *env, const char *dir)
		1669	CODE:
		1670	RETVAL = env->set_lg_dir (env, dir);
		1671	OUTPUT:
		1672	RETVAL
		1673
		1674	int set_shm_key (DB_ENV *env, long shm_key)
		1675	CODE:
		1676	RETVAL = env->set_shm_key (env, shm_key);
		1677	OUTPUT:
		1678	RETVAL
		1679
1083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1680	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1084	CODE:	1681	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1682	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	1683	OUTPUT:
1087	RETVAL	1684	RETVAL
…		…
1090	CODE:	1687	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	1688	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	1689	OUTPUT:
1093	RETVAL	1690	RETVAL
1094		1691
		1692	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1693	CODE:
		1694	env->set_errfile (env, errfile);
		1695
		1696	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1697	CODE:
		1698	env->set_msgfile (env, msgfile);
		1699
		1700	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1701	CODE:
		1702	RETVAL = env->set_verbose (env, which, onoff);
		1703	OUTPUT:
		1704	RETVAL
		1705
1095	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1706	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1096	CODE:	1707	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	1708	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	1709	OUTPUT:
1099	RETVAL	1710	RETVAL
…		…
1102	CODE:	1713	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1714	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	1715	OUTPUT:
1105	RETVAL	1716	RETVAL
1106		1717
		1718	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1719	CODE:
		1720	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1721	OUTPUT:
		1722	RETVAL
		1723
		1724	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1725	CODE:
		1726	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1727	OUTPUT:
		1728	RETVAL
		1729
		1730	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1731	CODE:
		1732	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1733	OUTPUT:
		1734	RETVAL
		1735
		1736	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1737	CODE:
		1738	RETVAL = env->set_lk_detect (env, detect);
		1739	OUTPUT:
		1740	RETVAL
		1741
		1742	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1743	CODE:
		1744	RETVAL = env->set_lk_max_lockers (env, max);
		1745	OUTPUT:
		1746	RETVAL
		1747
		1748	int set_lk_max_locks (DB_ENV *env, U32 max)
		1749	CODE:
		1750	RETVAL = env->set_lk_max_locks (env, max);
		1751	OUTPUT:
		1752	RETVAL
		1753
		1754	int set_lk_max_objects (DB_ENV *env, U32 max)
		1755	CODE:
		1756	RETVAL = env->set_lk_max_objects (env, max);
		1757	OUTPUT:
		1758	RETVAL
		1759
		1760	int set_lg_bsize (DB_ENV *env, U32 max)
		1761	CODE:
		1762	RETVAL = env->set_lg_bsize (env, max);
		1763	OUTPUT:
		1764	RETVAL
		1765
		1766	int set_lg_max (DB_ENV *env, U32 max)
		1767	CODE:
		1768	RETVAL = env->set_lg_max (env, max);
		1769	OUTPUT:
		1770	RETVAL
		1771
		1772	DB_TXN *
		1773	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1774	CODE:
		1775	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1776	if (errno)
		1777	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1778	OUTPUT:
		1779	RETVAL
1107		1780
1108	MODULE = BDB PACKAGE = BDB::Db	1781	MODULE = BDB PACKAGE = BDB::Db
1109		1782
		1783	void
		1784	DESTROY (DB_ornull *db)
		1785	CODE:
		1786	if (db)
		1787	{
		1788	SV *env = (SV *)db->app_private;
		1789	db->close (db, 0);
		1790	SvREFCNT_dec (env);
		1791	}
		1792
1110	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1793	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1111	CODE:	1794	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1795	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	1796	OUTPUT:
1114	RETVAL	1797	RETVAL
1115		1798
1116	int set_flags (DB *db, U32 flags);	1799	int set_flags (DB *db, U32 flags)
1117	CODE:	1800	CODE:
1118	RETVAL = db->set_flags (db, flags);	1801	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	1802	OUTPUT:
1120	RETVAL	1803	RETVAL
1121		1804
…		…
1129	CODE:	1812	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	1813	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	1814	OUTPUT:
1132	RETVAL	1815	RETVAL
1133		1816
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	1817	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	1818	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	1819	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	1820	OUTPUT:
1139	RETVAL	1821	RETVAL
1140		1822
1141	int set_re_delim(DB *db, int delim);	1823	int set_re_delim (DB *db, int delim)
1142	CODE:	1824	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	1825	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	1826	OUTPUT:
1145	RETVAL	1827	RETVAL
1146		1828
…		…
1178	CODE:	1860	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	1861	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	1862	OUTPUT:
1181	RETVAL	1863	RETVAL
1182		1864
		1865	DBC *
		1866	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1867	CODE:
		1868	errno = db->cursor (db, txn, &RETVAL, flags);
		1869	if (errno)
		1870	croak ("DB->cursor: %s", db_strerror (errno));
		1871	OUTPUT:
		1872	RETVAL
1183		1873
		1874	DB_SEQUENCE *
		1875	sequence (DB *db, U32 flags = 0)
		1876	CODE:
		1877	{
		1878	errno = db_sequence_create (&RETVAL, db, flags);
		1879	if (errno)
		1880	croak ("db_sequence_create: %s", db_strerror (errno));
		1881	}
		1882	OUTPUT:
		1883	RETVAL
		1884
		1885
		1886	MODULE = BDB PACKAGE = BDB::Txn
		1887
		1888	void
		1889	DESTROY (DB_TXN_ornull *txn)
		1890	CODE:
		1891	if (txn)
		1892	txn->abort (txn);
		1893
		1894	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
		1895	CODE:
		1896	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1897	OUTPUT:
		1898	RETVAL
		1899
		1900
		1901	MODULE = BDB PACKAGE = BDB::Cursor
		1902
		1903	void
		1904	DESTROY (DBC_ornull *dbc)
		1905	CODE:
		1906	if (dbc)
		1907	dbc->c_close (dbc);
		1908
		1909	MODULE = BDB PACKAGE = BDB::Sequence
		1910
		1911	void
		1912	DESTROY (DB_SEQUENCE_ornull *seq)
		1913	CODE:
		1914	if (seq)
		1915	seq->close (seq, 0);
		1916
		1917	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1918	CODE:
		1919	RETVAL = seq->initial_value (seq, value);
		1920	OUTPUT:
		1921	RETVAL
		1922
		1923	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1924	CODE:
		1925	RETVAL = seq->set_cachesize (seq, size);
		1926	OUTPUT:
		1927	RETVAL
		1928
		1929	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1930	CODE:
		1931	RETVAL = seq->set_flags (seq, flags);
		1932	OUTPUT:
		1933	RETVAL
		1934
		1935	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1936	CODE:
		1937	RETVAL = seq->set_range (seq, min, max);
		1938	OUTPUT:
		1939	RETVAL
		1940

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