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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 1.18 by root, Sun Sep 16 18:15:34 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, REQ_TXN_FINISH,
		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:
		673	req->result = ENOSYS;
585	goto quit;	674	goto quit;
586		675
587	case REQ_ENV_OPEN:	676	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	677	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	678	break;
590		679
591	case REQ_ENV_CLOSE:	680	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	681	req->result = req->env->close (req->env, req->uint1);
593	break;	682	break;
594		683
		684	case REQ_ENV_TXN_CHECKPOINT:
		685	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		686	break;
		687
		688	case REQ_ENV_LOCK_DETECT:
		689	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		690	break;
		691
		692	case REQ_ENV_MEMP_SYNC:
		693	req->result = req->env->memp_sync (req->env, 0);
		694	break;
		695
		696	case REQ_ENV_MEMP_TRICKLE:
		697	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		698	break;
		699
595	case REQ_DB_OPEN:	700	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	701	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	702	break;
598		703
599	case REQ_DB_CLOSE:	704	case REQ_DB_CLOSE:
…		…
610		715
611	case REQ_DB_PUT:	716	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	717	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	718	break;
614		719
		720	case REQ_DB_GET:
		721	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		722	break;
		723
		724	case REQ_DB_PGET:
		725	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		726	break;
		727
		728	case REQ_DB_DEL:
		729	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		730	break;
		731
		732	case REQ_DB_KEY_RANGE:
		733	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		734	break;
		735
		736	case REQ_TXN_COMMIT:
		737	req->result = req->txn->commit (req->txn, req->uint1);
		738	break;
		739
		740	case REQ_TXN_ABORT:
		741	req->result = req->txn->abort (req->txn);
		742	break;
		743
		744	case REQ_TXN_FINISH:
		745	if (req->txn->flags & TXN_DEADLOCK)
		746	{
		747	req->result = req->txn->abort (req->txn);
		748	if (!req->result)
		749	req->result = DB_LOCK_DEADLOCK;
		750	}
		751	else
		752	req->result = req->txn->commit (req->txn, req->uint1);
		753	break;
		754
		755	case REQ_C_CLOSE:
		756	req->result = req->dbc->c_close (req->dbc);
		757	break;
		758
		759	case REQ_C_COUNT:
		760	{
		761	db_recno_t recno;
		762	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		763	req->uv1 = recno;
		764	}
		765	break;
		766
		767	case REQ_C_PUT:
		768	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		769	break;
		770
		771	case REQ_C_GET:
		772	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		773	break;
		774
		775	case REQ_C_PGET:
		776	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		777	break;
		778
		779	case REQ_C_DEL:
		780	req->result = req->dbc->c_del (req->dbc, req->uint1);
		781	break;
		782
		783	case REQ_SEQ_OPEN:
		784	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		785	break;
		786
		787	case REQ_SEQ_CLOSE:
		788	req->result = req->seq->close (req->seq, req->uint1);
		789	break;
		790
		791	case REQ_SEQ_GET:
		792	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		793	break;
		794
		795	case REQ_SEQ_REMOVE:
		796	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		797	break;
		798
615	default:	799	default:
616	req->result = ENOSYS;	800	req->result = ENOSYS;
617	break;	801	break;
618	}	802	}
619		803
		804	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		805	req->txn->flags |= TXN_DEADLOCK;
		806
620	LOCK (reslock);	807	X_LOCK (reslock);
621		808
622	++npending;	809	++npending;
623		810
624	if (!reqq_push (&res_queue, req))	811	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	812	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	813	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		814
628	self->req = 0;	815	self->req = 0;
629	worker_clear (self);	816	worker_clear (self);
630		817
631	UNLOCK (reslock);	818	X_UNLOCK (reslock);
632	}	819	}
633		820
634	quit:	821	quit:
635	LOCK (wrklock);	822	X_LOCK (wrklock);
636	worker_free (self);	823	worker_free (self);
637	UNLOCK (wrklock);	824	X_UNLOCK (wrklock);
638		825
639	return 0;	826	return 0;
640	}	827	}
641		828
642	/*****************************************************************************/	829	/*****************************************************************************/
643		830
644	static void atfork_prepare (void)	831	static void atfork_prepare (void)
645	{	832	{
646	LOCK (wrklock);	833	X_LOCK (wrklock);
647	LOCK (reqlock);	834	X_LOCK (reqlock);
648	LOCK (reslock);	835	X_LOCK (reslock);
649	}	836	}
650		837
651	static void atfork_parent (void)	838	static void atfork_parent (void)
652	{	839	{
653	UNLOCK (reslock);	840	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	841	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	842	X_UNLOCK (wrklock);
656	}	843	}
657		844
658	static void atfork_child (void)	845	static void atfork_child (void)
659	{	846	{
660	aio_req prv;	847	aio_req prv;
…		…
680	idle = 0;	867	idle = 0;
681	nreqs = 0;	868	nreqs = 0;
682	nready = 0;	869	nready = 0;
683	npending = 0;	870	npending = 0;
684		871
685	close (respipe [0]);	872	respipe_close (respipe [0]);
686	close (respipe [1]);	873	respipe_close (respipe [1]);
		874
687	create_pipe ();	875	create_pipe (respipe);
688		876
689	atfork_parent ();	877	atfork_parent ();
690	}	878	}
691		879
692	#define dREQ(reqtype) \	880	#define dREQ(reqtype) \
…		…
706	req->pri = req_pri	894	req->pri = req_pri
707		895
708	#define REQ_SEND \	896	#define REQ_SEND \
709	req_send (req)	897	req_send (req)
710		898
711	#define SvPTR(var, arg, type, class) \	899	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	900	if (!SvOK (arg)) \
		901	{ \
		902	if (!nullok) \
		903	croak (# var " must be a " # class " object, not undef"); \
		904	\
713	(var) = 0; \	905	(var) = 0; \
		906	} \
714	else if (sv_derived_from ((arg), # class)) \	907	else if (sv_derived_from ((arg), # class)) \
715	{ \	908	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	909	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	910	(var) = INT2PTR (type, tmp); \
		911	if (!var) \
		912	croak (# var " is not a valid " # class " object anymore"); \
718	} \	913	} \
719	else \	914	else \
720	Perl_croak (# var " is not of type " # class)	915	croak (# var " is not of type " # class); \
		916	\
721		917
722	inline void	918	static void
723	set_dbt (DBT *dbt, SV *sv)	919	ptr_nuke (SV *sv)
724	{	920	{
725	STRLEN len;	921	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	922	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	923	}
732		924
733	MODULE = BDB PACKAGE = BDB	925	MODULE = BDB PACKAGE = BDB
734		926
735	PROTOTYPES: ENABLE	927	PROTOTYPES: ENABLE
736		928
737	BOOT:	929	BOOT:
…		…
767	const_iv (DSYNC_DB)	959	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	960	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	961	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	962	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	963	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	964	const_iv (NOMMAP)
774	const_iv (NOPANIC)	965	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	966	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	967	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	968	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	969	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	970	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)
781	const_iv (TXN_WRITE_NOSYNC)	971	const_iv (TXN_WRITE_NOSYNC)
		972	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	973	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	974	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	975	const_iv (XA_CREATE)
785	const_iv (BTREE)	976	const_iv (BTREE)
786	const_iv (HASH)	977	const_iv (HASH)
…		…
801	const_iv (RENUMBER)	992	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	993	const_iv (REVSPLITOFF)
803	const_iv (INORDER)	994	const_iv (INORDER)
804	const_iv (CONSUME)	995	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	996	const_iv (CONSUME_WAIT)
		997	const_iv (GET_BOTH)
		998	const_iv (GET_BOTH_RANGE)
		999	//const_iv (SET_RECNO)
		1000	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1001	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1002	const_iv (JOIN_ITEM)
808	const_iv (RMW)	1003	const_iv (RMW)
809		1004
810	const_iv (NOTFOUND)	1005	const_iv (NOTFOUND)
…		…
813	const_iv (LOCK_NOTGRANTED)	1008	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1009	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1010	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1011	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1012	const_iv (REP_LOCKOUT)
		1013	const_iv (SECONDARY_BAD)
818		1014
819	const_iv (FREE_SPACE)	1015	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)	1016	const_iv (FREELIST_ONLY)
821		1017
822	const_iv (APPEND)	1018	const_iv (APPEND)
823	const_iv (NODUPDATA)	1019	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1020	const_iv (NOOVERWRITE)
825		1021
826	const_iv (TXN_NOWAIT)	1022	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1023	const_iv (TXN_SYNC)
829		1024
830	const_iv (SET_LOCK_TIMEOUT)	1025	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1026	const_iv (SET_TXN_TIMEOUT)
		1027
		1028	const_iv (JOIN_ITEM)
		1029	const_iv (FIRST)
		1030	const_iv (NEXT)
		1031	const_iv (NEXT_DUP)
		1032	const_iv (NEXT_NODUP)
		1033	const_iv (PREV)
		1034	const_iv (PREV_NODUP)
		1035	const_iv (SET)
		1036	const_iv (SET_RANGE)
		1037	const_iv (LAST)
		1038	const_iv (BEFORE)
		1039	const_iv (AFTER)
		1040	const_iv (CURRENT)
		1041	const_iv (KEYFIRST)
		1042	const_iv (KEYLAST)
		1043	const_iv (NODUPDATA)
		1044
		1045	const_iv (FORCE)
		1046
		1047	const_iv (LOCK_DEFAULT)
		1048	const_iv (LOCK_EXPIRE)
		1049	const_iv (LOCK_MAXLOCKS)
		1050	const_iv (LOCK_MAXWRITE)
		1051	const_iv (LOCK_MINLOCKS)
		1052	const_iv (LOCK_MINWRITE)
		1053	const_iv (LOCK_OLDEST)
		1054	const_iv (LOCK_RANDOM)
		1055	const_iv (LOCK_YOUNGEST)
		1056
		1057	const_iv (SEQ_DEC)
		1058	const_iv (SEQ_INC)
		1059	const_iv (SEQ_WRAP)
		1060
		1061	const_iv (BUFFER_SMALL)
		1062	const_iv (DONOTINDEX)
		1063	const_iv (KEYEMPTY )
		1064	const_iv (KEYEXIST )
		1065	const_iv (LOCK_DEADLOCK)
		1066	const_iv (LOCK_NOTGRANTED)
		1067	const_iv (LOG_BUFFER_FULL)
		1068	const_iv (NOSERVER)
		1069	const_iv (NOSERVER_HOME)
		1070	const_iv (NOSERVER_ID)
		1071	const_iv (NOTFOUND)
		1072	const_iv (OLD_VERSION)
		1073	const_iv (PAGE_NOTFOUND)
		1074	const_iv (REP_DUPMASTER)
		1075	const_iv (REP_HANDLE_DEAD)
		1076	const_iv (REP_HOLDELECTION)
		1077	const_iv (REP_IGNORE)
		1078	const_iv (REP_ISPERM)
		1079	const_iv (REP_JOIN_FAILURE)
		1080	const_iv (REP_LOCKOUT)
		1081	const_iv (REP_NEWMASTER)
		1082	const_iv (REP_NEWSITE)
		1083	const_iv (REP_NOTPERM)
		1084	const_iv (REP_UNAVAIL)
		1085	const_iv (RUNRECOVERY)
		1086	const_iv (SECONDARY_BAD)
		1087	const_iv (VERIFY_BAD)
		1088	const_iv (VERSION_MISMATCH)
		1089
		1090	const_iv (VERB_DEADLOCK)
		1091	const_iv (VERB_RECOVERY)
		1092	const_iv (VERB_REGISTER)
		1093	const_iv (VERB_REPLICATION)
		1094	const_iv (VERB_WAITSFOR)
		1095
		1096	const_iv (VERSION_MAJOR)
		1097	const_iv (VERSION_MINOR)
		1098	const_iv (VERSION_PATCH)
		1099	#if DB_VERSION_MINOR >= 5
		1100	const_iv (MULTIVERSION)
		1101	const_iv (TXN_SNAPSHOT)
		1102	#endif
		1103	#if DB_VERSION_MINOR >= 6
		1104	const_iv (PREV_DUP)
		1105	# if 0
		1106	const_iv (PRIORITY_UNCHANGED)
		1107	const_iv (PRIORITY_VERY_LOW)
		1108	const_iv (PRIORITY_LOW)
		1109	const_iv (PRIORITY_DEFAULT)
		1110	const_iv (PRIORITY_HIGH)
		1111	const_iv (PRIORITY_VERY_HIGH)
		1112	# endif
		1113	#endif
832	};	1114	};
833		1115
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1116	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1117	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1118
837	create_pipe ();	1119	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1120	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1121
		1122	create_pipe (respipe);
		1123
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1124	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1125	#ifdef _WIN32
		1126	X_MUTEX_CHECK (wrklock);
		1127	X_MUTEX_CHECK (reslock);
		1128	X_MUTEX_CHECK (reqlock);
		1129
		1130	X_COND_CHECK (reqwait);
		1131	#endif
839	}	1132	}
840		1133
841	void	1134	void
842	max_poll_reqs (int nreqs)	1135	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1136	PROTOTYPE: $
…		…
962		1255
963	int	1256	int
964	nthreads ()	1257	nthreads ()
965	PROTOTYPE:	1258	PROTOTYPE:
966	CODE:	1259	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1260	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1261	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1262	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1263	OUTPUT:
971	RETVAL	1264	RETVAL
972		1265
973	void	1266	void
974	set_sync_prepare (SV *cb)	1267	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1268	PROTOTYPE: &
976	CODE:	1269	CODE:
977	SvREFCNT_dec (prepare_cb);	1270	SvREFCNT_dec (prepare_cb);
978	prepare_cb = newSVsv (cb);	1271	prepare_cb = newSVsv (cb);
		1272
		1273	char *
		1274	strerror (int errorno = errno)
		1275	PROTOTYPE: ;$
		1276	CODE:
		1277	RETVAL = db_strerror (errorno);
		1278	OUTPUT:
		1279	RETVAL
979		1280
980	DB_ENV *	1281	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1282	db_env_create (U32 env_flags = 0)
982	CODE:	1283	CODE:
983	{	1284	{
984	errno = db_env_create (&RETVAL, env_flags);	1285	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1286	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1287	croak ("db_env_create: %s", db_strerror (errno));
		1288
		1289	if (0)
		1290	{
		1291	RETVAL->set_errcall (RETVAL, debug_errcall);
		1292	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1293	}
987	}	1294	}
988	OUTPUT:	1295	OUTPUT:
989	RETVAL	1296	RETVAL
990		1297
991	void	1298	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1299	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
993	CODE:	1300	CODE:
994	{	1301	{
995	dREQ (REQ_ENV_OPEN);	1302	dREQ (REQ_ENV_OPEN);
		1303
		1304	env->set_thread_count (env, wanted + 2);
		1305
996	req->env = env;	1306	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1307	req->uint1 = open_flags | DB_THREAD;
998	req->int1 = mode;	1308	req->int1 = mode;
999	req->buf1 = strdup_ornull (db_home);	1309	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1310	REQ_SEND;
…		…
1006	{	1316	{
1007	dREQ (REQ_ENV_CLOSE);	1317	dREQ (REQ_ENV_CLOSE);
1008	req->env = env;	1318	req->env = env;
1009	req->uint1 = flags;	1319	req->uint1 = flags;
1010	REQ_SEND;	1320	REQ_SEND;
		1321	ptr_nuke (ST (0));
1011	}	1322	}
		1323
		1324	void
		1325	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1326	CODE:
		1327	{
		1328	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1329	req->env = env;
		1330	req->uint1 = kbyte;
		1331	req->int1 = min;
		1332	req->uint2 = flags;
		1333	REQ_SEND;
		1334	}
		1335
		1336	void
		1337	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1338	CODE:
		1339	{
		1340	dREQ (REQ_ENV_LOCK_DETECT);
		1341	req->env = env;
		1342	req->uint1 = flags;
		1343	req->uint2 = atype;
		1344	REQ_SEND;
		1345	}
		1346
		1347	void
		1348	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1349	CODE:
		1350	{
		1351	dREQ (REQ_ENV_MEMP_SYNC);
		1352	req->env = env;
		1353	REQ_SEND;
		1354	}
		1355
		1356	void
		1357	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1358	CODE:
		1359	{
		1360	dREQ (REQ_ENV_MEMP_TRICKLE);
		1361	req->env = env;
		1362	req->int1 = percent;
		1363	REQ_SEND;
		1364	}
		1365
1012		1366
1013	DB *	1367	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1368	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1369	CODE:
1016	{	1370	{
1017	errno = db_create (&RETVAL, env, flags);	1371	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1372	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1373	croak ("db_create: %s", db_strerror (errno));
		1374
		1375	if (RETVAL)
		1376	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1377	}
1021	OUTPUT:	1378	OUTPUT:
1022	RETVAL	1379	RETVAL
1023		1380
1024	void	1381	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1382	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:	1383	CODE:
1027	{	1384	{
1028	dREQ (REQ_DB_OPEN);	1385	dREQ (REQ_DB_OPEN);
1029	req->db = db;	1386	req->db = db;
1030	req->txn = txnid;	1387	req->txn = txnid;
…		…
1041	CODE:	1398	CODE:
1042	{	1399	{
1043	dREQ (REQ_DB_CLOSE);	1400	dREQ (REQ_DB_CLOSE);
1044	req->db = db;	1401	req->db = db;
1045	req->uint1 = flags;	1402	req->uint1 = flags;
		1403	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1404	REQ_SEND;
		1405	ptr_nuke (ST (0));
1047	}	1406	}
1048		1407
1049	void	1408	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)	1409	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:	1410	CODE:
1052	{	1411	{
1053	dREQ (REQ_DB_COMPACT);	1412	dREQ (REQ_DB_COMPACT);
1054	req->db = db;	1413	req->db = db;
1055	req->txn = txn;	1414	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1415	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1416	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1417	req->uint1 = flags;
1059	REQ_SEND;	1418	REQ_SEND;
1060	}	1419	}
1061		1420
1062	void	1421	void
…		…
1068	req->uint1 = flags;	1427	req->uint1 = flags;
1069	REQ_SEND;	1428	REQ_SEND;
1070	}	1429	}
1071		1430
1072	void	1431	void
		1432	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1433	CODE:
		1434	{
		1435	dREQ (REQ_DB_KEY_RANGE);
		1436	req->db = db;
		1437	req->txn = txn;
		1438	sv_to_dbt (&req->dbt1, key);
		1439	req->uint1 = flags;
		1440	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1441	REQ_SEND;
		1442	}
		1443
		1444	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1445	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1074	CODE:	1446	CODE:
1075	{	1447	{
1076	dREQ (REQ_DB_PUT);	1448	dREQ (REQ_DB_PUT);
1077	req->db = db;	1449	req->db = db;
1078	req->txn = 0;	1450	req->txn = txn;
1079	set_dbt (&req->dbt1, key);	1451	sv_to_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);	1452	sv_to_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1453	req->uint1 = flags;
1082	REQ_SEND;	1454	REQ_SEND;
1083	}	1455	}
1084		1456
		1457	void
		1458	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1459	CODE:
		1460	{
		1461	dREQ (REQ_DB_GET);
		1462	req->db = db;
		1463	req->txn = txn;
		1464	req->uint1 = flags;
		1465	sv_to_dbt (&req->dbt1, key);
		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_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1473	CODE:
		1474	{
		1475	dREQ (REQ_DB_PGET);
		1476	req->db = db;
		1477	req->txn = txn;
		1478	req->uint1 = flags;
		1479	sv_to_dbt (&req->dbt1, key);
		1480	sv_to_dbt (&req->dbt2, pkey);
		1481	req->dbt3.flags = DB_DBT_MALLOC;
		1482	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1483	REQ_SEND;
		1484	}
		1485
		1486	void
		1487	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1488	CODE:
		1489	{
		1490	dREQ (REQ_DB_DEL);
		1491	req->db = db;
		1492	req->txn = txn;
		1493	req->uint1 = flags;
		1494	sv_to_dbt (&req->dbt1, key);
		1495	REQ_SEND;
		1496	}
		1497
		1498	void
		1499	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1500	CODE:
		1501	{
		1502	dREQ (REQ_TXN_COMMIT);
		1503	req->txn = txn;
		1504	req->uint1 = flags;
		1505	REQ_SEND;
		1506	ptr_nuke (ST (0));
		1507	}
		1508
		1509	void
		1510	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1511	CODE:
		1512	{
		1513	dREQ (REQ_TXN_ABORT);
		1514	req->txn = txn;
		1515	REQ_SEND;
		1516	ptr_nuke (ST (0));
		1517	}
		1518
		1519	void
		1520	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1521	CODE:
		1522	{
		1523	dREQ (REQ_TXN_FINISH);
		1524	req->txn = txn;
		1525	req->uint1 = flags;
		1526	REQ_SEND;
		1527	ptr_nuke (ST (0));
		1528	}
		1529
		1530	void
		1531	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1532	CODE:
		1533	{
		1534	dREQ (REQ_C_CLOSE);
		1535	req->dbc = dbc;
		1536	REQ_SEND;
		1537	ptr_nuke (ST (0));
		1538	}
		1539
		1540	void
		1541	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1542	CODE:
		1543	{
		1544	dREQ (REQ_C_COUNT);
		1545	req->dbc = dbc;
		1546	req->sv1 = SvREFCNT_inc (count);
		1547	REQ_SEND;
		1548	}
		1549
		1550	void
		1551	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1552	CODE:
		1553	{
		1554	dREQ (REQ_C_PUT);
		1555	req->dbc = dbc;
		1556	sv_to_dbt (&req->dbt1, key);
		1557	sv_to_dbt (&req->dbt2, data);
		1558	req->uint1 = flags;
		1559	REQ_SEND;
		1560	}
		1561
		1562	void
		1563	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1564	CODE:
		1565	{
		1566	dREQ (REQ_C_GET);
		1567	req->dbc = dbc;
		1568	req->uint1 = flags;
		1569	if ((flags & DB_SET) == DB_SET
		1570	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1571	sv_to_dbt (&req->dbt1, key);
		1572	else
		1573	req->dbt1.flags = DB_DBT_MALLOC;
		1574
		1575	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1576
		1577	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1578	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1579	sv_to_dbt (&req->dbt3, data);
		1580	else
		1581	req->dbt3.flags = DB_DBT_MALLOC;
		1582
		1583	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1584	REQ_SEND;
		1585	}
		1586
		1587	void
		1588	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1589	CODE:
		1590	{
		1591	dREQ (REQ_C_PGET);
		1592	req->dbc = dbc;
		1593	req->uint1 = flags;
		1594	if ((flags & DB_SET) == DB_SET
		1595	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1596	sv_to_dbt (&req->dbt1, key);
		1597	else
		1598	req->dbt1.flags = DB_DBT_MALLOC;
		1599
		1600	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1601
		1602	req->dbt2.flags = DB_DBT_MALLOC;
		1603	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1604
		1605	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1606	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1607	sv_to_dbt (&req->dbt3, data);
		1608	else
		1609	req->dbt3.flags = DB_DBT_MALLOC;
		1610
		1611	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1612	REQ_SEND;
		1613	}
		1614
		1615	void
		1616	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1617	CODE:
		1618	{
		1619	dREQ (REQ_C_DEL);
		1620	req->dbc = dbc;
		1621	req->uint1 = flags;
		1622	REQ_SEND;
		1623	}
		1624
		1625
		1626	void
		1627	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1628	CODE:
		1629	{
		1630	dREQ (REQ_SEQ_OPEN);
		1631	req->seq = seq;
		1632	req->txn = txnid;
		1633	req->uint1 = flags | DB_THREAD;
		1634	sv_to_dbt (&req->dbt1, key);
		1635	REQ_SEND;
		1636	}
		1637
		1638	void
		1639	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1640	CODE:
		1641	{
		1642	dREQ (REQ_SEQ_CLOSE);
		1643	req->seq = seq;
		1644	req->uint1 = flags;
		1645	REQ_SEND;
		1646	ptr_nuke (ST (0));
		1647	}
		1648
		1649	void
		1650	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)
		1651	CODE:
		1652	{
		1653	dREQ (REQ_SEQ_GET);
		1654	req->seq = seq;
		1655	req->txn = txnid;
		1656	req->int1 = delta;
		1657	req->uint1 = flags;
		1658	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1659	REQ_SEND;
		1660	}
		1661
		1662	void
		1663	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1664	CODE:
		1665	{
		1666	dREQ (REQ_SEQ_REMOVE);
		1667	req->seq = seq;
		1668	req->txn = txnid;
		1669	req->uint1 = flags;
		1670	REQ_SEND;
		1671	}
		1672
1085		1673
1086	MODULE = BDB PACKAGE = BDB::Env	1674	MODULE = BDB PACKAGE = BDB::Env
1087		1675
		1676	void
		1677	DESTROY (DB_ENV_ornull *env)
		1678	CODE:
		1679	if (env)
		1680	env->close (env, 0);
		1681
		1682	int set_data_dir (DB_ENV *env, const char *dir)
		1683	CODE:
		1684	RETVAL = env->set_data_dir (env, dir);
		1685	OUTPUT:
		1686	RETVAL
		1687
		1688	int set_tmp_dir (DB_ENV *env, const char *dir)
		1689	CODE:
		1690	RETVAL = env->set_tmp_dir (env, dir);
		1691	OUTPUT:
		1692	RETVAL
		1693
		1694	int set_lg_dir (DB_ENV *env, const char *dir)
		1695	CODE:
		1696	RETVAL = env->set_lg_dir (env, dir);
		1697	OUTPUT:
		1698	RETVAL
		1699
		1700	int set_shm_key (DB_ENV *env, long shm_key)
		1701	CODE:
		1702	RETVAL = env->set_shm_key (env, shm_key);
		1703	OUTPUT:
		1704	RETVAL
		1705
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1706	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	1707	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1708	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	1709	OUTPUT:
1092	RETVAL	1710	RETVAL
…		…
1095	CODE:	1713	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	1714	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	1715	OUTPUT:
1098	RETVAL	1716	RETVAL
1099		1717
		1718	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1719	CODE:
		1720	env->set_errfile (env, errfile);
		1721
		1722	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1723	CODE:
		1724	env->set_msgfile (env, msgfile);
		1725
		1726	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1727	CODE:
		1728	RETVAL = env->set_verbose (env, which, onoff);
		1729	OUTPUT:
		1730	RETVAL
		1731
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1732	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	1733	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	1734	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	1735	OUTPUT:
1104	RETVAL	1736	RETVAL
1105		1737
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1738	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	1739	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1740	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	1741	OUTPUT:
1110	RETVAL	1742	RETVAL
1111		1743
		1744	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1745	CODE:
		1746	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1747	OUTPUT:
		1748	RETVAL
		1749
		1750	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1751	CODE:
		1752	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1753	OUTPUT:
		1754	RETVAL
		1755
		1756	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1757	CODE:
		1758	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1759	OUTPUT:
		1760	RETVAL
		1761
		1762	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1763	CODE:
		1764	RETVAL = env->set_lk_detect (env, detect);
		1765	OUTPUT:
		1766	RETVAL
		1767
		1768	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1769	CODE:
		1770	RETVAL = env->set_lk_max_lockers (env, max);
		1771	OUTPUT:
		1772	RETVAL
		1773
		1774	int set_lk_max_locks (DB_ENV *env, U32 max)
		1775	CODE:
		1776	RETVAL = env->set_lk_max_locks (env, max);
		1777	OUTPUT:
		1778	RETVAL
		1779
		1780	int set_lk_max_objects (DB_ENV *env, U32 max)
		1781	CODE:
		1782	RETVAL = env->set_lk_max_objects (env, max);
		1783	OUTPUT:
		1784	RETVAL
		1785
		1786	int set_lg_bsize (DB_ENV *env, U32 max)
		1787	CODE:
		1788	RETVAL = env->set_lg_bsize (env, max);
		1789	OUTPUT:
		1790	RETVAL
		1791
		1792	int set_lg_max (DB_ENV *env, U32 max)
		1793	CODE:
		1794	RETVAL = env->set_lg_max (env, max);
		1795	OUTPUT:
		1796	RETVAL
		1797
		1798	DB_TXN *
		1799	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1800	CODE:
		1801	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1802	if (errno)
		1803	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1804	OUTPUT:
		1805	RETVAL
1112		1806
1113	MODULE = BDB PACKAGE = BDB::Db	1807	MODULE = BDB PACKAGE = BDB::Db
1114		1808
		1809	void
		1810	DESTROY (DB_ornull *db)
		1811	CODE:
		1812	if (db)
		1813	{
		1814	SV *env = (SV *)db->app_private;
		1815	db->close (db, 0);
		1816	SvREFCNT_dec (env);
		1817	}
		1818
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1819	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	1820	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1821	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	1822	OUTPUT:
1119	RETVAL	1823	RETVAL
1120		1824
1121	int set_flags (DB *db, U32 flags);	1825	int set_flags (DB *db, U32 flags)
1122	CODE:	1826	CODE:
1123	RETVAL = db->set_flags (db, flags);	1827	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	1828	OUTPUT:
1125	RETVAL	1829	RETVAL
1126		1830
…		…
1134	CODE:	1838	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	1839	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	1840	OUTPUT:
1137	RETVAL	1841	RETVAL
1138		1842
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	1843	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	1844	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	1845	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	1846	OUTPUT:
1144	RETVAL	1847	RETVAL
1145		1848
1146	int set_re_delim(DB *db, int delim);	1849	int set_re_delim (DB *db, int delim)
1147	CODE:	1850	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	1851	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	1852	OUTPUT:
1150	RETVAL	1853	RETVAL
1151		1854
…		…
1183	CODE:	1886	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	1887	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	1888	OUTPUT:
1186	RETVAL	1889	RETVAL
1187		1890
		1891	DBC *
		1892	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1893	CODE:
		1894	errno = db->cursor (db, txn, &RETVAL, flags);
		1895	if (errno)
		1896	croak ("DB->cursor: %s", db_strerror (errno));
		1897	OUTPUT:
		1898	RETVAL
1188		1899
		1900	DB_SEQUENCE *
		1901	sequence (DB *db, U32 flags = 0)
		1902	CODE:
		1903	{
		1904	errno = db_sequence_create (&RETVAL, db, flags);
		1905	if (errno)
		1906	croak ("db_sequence_create: %s", db_strerror (errno));
		1907	}
		1908	OUTPUT:
		1909	RETVAL
		1910
		1911
		1912	MODULE = BDB PACKAGE = BDB::Txn
		1913
		1914	void
		1915	DESTROY (DB_TXN_ornull *txn)
		1916	CODE:
		1917	if (txn)
		1918	txn->abort (txn);
		1919
		1920	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1921	CODE:
		1922	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1923	OUTPUT:
		1924	RETVAL
		1925
		1926	int failed (DB_TXN *txn)
		1927	CODE:
		1928	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1929	OUTPUT:
		1930	RETVAL
		1931
		1932
		1933	MODULE = BDB PACKAGE = BDB::Cursor
		1934
		1935	void
		1936	DESTROY (DBC_ornull *dbc)
		1937	CODE:
		1938	if (dbc)
		1939	dbc->c_close (dbc);
		1940
		1941	MODULE = BDB PACKAGE = BDB::Sequence
		1942
		1943	void
		1944	DESTROY (DB_SEQUENCE_ornull *seq)
		1945	CODE:
		1946	if (seq)
		1947	seq->close (seq, 0);
		1948
		1949	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1950	CODE:
		1951	RETVAL = seq->initial_value (seq, value);
		1952	OUTPUT:
		1953	RETVAL
		1954
		1955	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1956	CODE:
		1957	RETVAL = seq->set_cachesize (seq, size);
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1962	CODE:
		1963	RETVAL = seq->set_flags (seq, flags);
		1964	OUTPUT:
		1965	RETVAL
		1966
		1967	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1968	CODE:
		1969	RETVAL = seq->set_range (seq, min, max);
		1970	OUTPUT:
		1971	RETVAL
		1972

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