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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 2007 UTC vs.
Revision 1.19 by root, Mon Sep 24 18:14:11 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.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	42	typedef DB DB_ornull;
		43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
49		44
50	typedef SV SV8; /* byte-sv, used for argument-checking */	45	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	46	typedef char *octetstring;
52		47
53	static SV *prepare_cb;	48	static SV *prepare_cb;
54		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
55	static inline char *	72	static char *
56	strdup_ornull (const char *s)	73	strdup_ornull (const char *s)
57	{	74	{
58	return s ? strdup (s) : 0;	75	return s ? strdup (s) : 0;
59	}	76	}
60		77
61	inline void	78	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	79	sv_to_dbt (DBT *dbt, SV *sv)
63	{	80	{
64	STRLEN len;	81	STRLEN len;
65	char *data = SvPVbyte (sv, len);	82	char *data = SvPVbyte (sv, len);
66		83
67	dbt->data = malloc (len);	84	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	85	memcpy (dbt->data, data, len);
69	dbt->size = len;	86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
70	}	88	}
71		89
72	inline void	90	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	91	dbt_to_sv (SV *sv, DBT *dbt)
74	{	92	{
		93	if (sv)
		94	{
75	SvREADONLY_off (sv);	95	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
77		99
78	free (dbt->data);	100	free (dbt->data);
79	}	101	}
80		102
81	enum {	103	enum {
82	REQ_QUIT,	104	REQ_QUIT,
83	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,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	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,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	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,
86	};	112	};
87		113
88	typedef struct aio_cb	114	typedef struct aio_cb
89	{	115	{
90	struct aio_cb *volatile next;	116	struct aio_cb *volatile next;
…		…
92	int type, pri, result;	118	int type, pri, result;
93		119
94	DB_ENV *env;	120	DB_ENV *env;
95	DB *db;	121	DB *db;
96	DB_TXN *txn;	122	DB_TXN *txn;
97	DBC *cursor;	123	DBC *dbc;
		124
		125	UV uv1;
98	int int1, int2;	126	int int1, int2;
99	U32 uint1, uint2;	127	U32 uint1, uint2;
100	char *buf1, *buf2;	128	char *buf1, *buf2;
101	SV *sv1, *sv2;	129	SV *sv1, *sv2, *sv3;
102		130
103	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;
104	} aio_cb;	135	} aio_cb;
105		136
106	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
107		138
108	enum {	139	enum {
…		…
128		159
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		161
131	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
132		163
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	164	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
144		166
145	typedef struct worker {	167	typedef struct worker {
146	/* locked by wrklock */	168	/* locked by wrklock */
147	struct worker *prev, *next;	169	struct worker *prev, *next;
148		170
149	pthread_t tid;	171	thread_t tid;
150		172
151	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
153	void *dbuf;	175	void *dbuf;
154	DIR *dirp;	176	DIR *dirp;
…		…
169	}	191	}
170		192
171	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		197
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
179		201
180	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
181		203
182	static unsigned int get_nready ()	204	static unsigned int get_nready ()
183	{	205	{
184	unsigned int retval;	206	unsigned int retval;
185		207
186	LOCK (reqlock);	208	X_LOCK (reqlock);
187	retval = nready;	209	retval = nready;
188	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
189		211
190	return retval;	212	return retval;
191	}	213	}
192		214
193	static unsigned int get_npending ()	215	static unsigned int get_npending ()
194	{	216	{
195	unsigned int retval;	217	unsigned int retval;
196		218
197	LOCK (reslock);	219	X_LOCK (reslock);
198	retval = npending;	220	retval = npending;
199	UNLOCK (reslock);	221	X_UNLOCK (reslock);
200		222
201	return retval;	223	return retval;
202	}	224	}
203		225
204	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
205	{	227	{
206	unsigned int retval;	228	unsigned int retval;
207		229
208	LOCK (wrklock);	230	X_LOCK (wrklock);
209	retval = started;	231	retval = started;
210	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
211		233
212	return retval;	234	return retval;
213	}	235	}
214		236
215	#else	237	#else
…		…
285	if (SvOK (req->callback))	307	if (SvOK (req->callback))
286	{	308	{
287	ENTER;	309	ENTER;
288	SAVETMPS;	310	SAVETMPS;
289	PUSHMARK (SP);	311	PUSHMARK (SP);
290	EXTEND (SP, 1);
291		312
292	switch (req->type)	313	switch (req->type)
293	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
294	case REQ_DB_GET:	319	case REQ_DB_GET:
295	case REQ_DB_PGET:	320	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);	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));
297	SvREFCNT_dec (req->sv1);	341	SvREFCNT_dec (req->sv1);
298	break;	342	}
		343	break;
299		344
300	case REQ_DB_CLOSE:	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
301	SvREFCNT_dec (req->sv1);	353	SvREFCNT_dec (req->sv1);
302	break;	354	break;
303	}	355	}
304		356
305	errno = req->result;	357	errno = req->result;
…		…
320	free (req->buf1);	372	free (req->buf1);
321	free (req->buf2);	373	free (req->buf2);
322	Safefree (req);	374	Safefree (req);
323	}	375	}
324		376
325	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_respipe ()
		385	{
		386	int old_readfd = respipe [0];
		387
		388	if (respipe [1] >= 0)
		389	respipe_close (TO_SOCKET (respipe [1]));
		390
		391	#ifdef _WIN32
		392	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		393	#else
		394	if (pipe (respipe))
		395	#endif
		396	croak ("unable to initialize result pipe");
		397
		398	if (old_readfd >= 0)
		399	{
		400	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		401	croak ("unable to initialize result pipe(2)");
		402
		403	respipe_close (respipe [0]);
		404	respipe [0] = old_readfd;
		405	}
		406
		407	#ifdef _WIN32
		408	int arg = 1;
		409	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		410	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		411	#else
		412	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		413	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		414	#endif
		415	croak ("unable to initialize result pipe(3)");
		416
		417	respipe_osf [0] = TO_SOCKET (respipe [0]);
		418	respipe_osf [1] = TO_SOCKET (respipe [1]);
		419	}
		420
		421	X_THREAD_PROC (bdb_proc);
326		422
327	static void start_thread (void)	423	static void start_thread (void)
328	{	424	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	425	worker *wrk = calloc (1, sizeof (worker));
333		426
334	if (!wrk)	427	if (!wrk)
335	croak ("unable to allocate worker thread data");	428	croak ("unable to allocate worker thread data");
336		429
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	430	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	431	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	432	{
350	wrk->prev = &wrk_first;	433	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	434	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	435	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	436	wrk_first.next = wrk;
354	++started;	437	++started;
355	}	438	}
356	else	439	else
357	free (wrk);	440	free (wrk);
358		441
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	442	X_UNLOCK (wrklock);
361	}	443	}
362		444
363	static void maybe_start_thread ()	445	static void maybe_start_thread ()
364	{	446	{
365	if (get_nthreads () >= wanted)	447	if (get_nthreads () >= wanted)
…		…
377	SV *wait_callback = 0;	459	SV *wait_callback = 0;
378		460
379	// synthesize callback if none given	461	// synthesize callback if none given
380	if (!SvOK (req->callback))	462	if (!SvOK (req->callback))
381	{	463	{
		464	int count;
		465
382	dSP;	466	dSP;
383	PUSHMARK (SP);	467	PUSHMARK (SP);
384	PUTBACK;	468	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	469	count = call_sv (prepare_cb, G_ARRAY);
386	SPAGAIN;	470	SPAGAIN;
387		471
388	if (count != 2)	472	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");	473	croak ("prepare callback must return exactly two values\n");
390		474
…		…
393	req->callback = SvREFCNT_inc (POPs);	477	req->callback = SvREFCNT_inc (POPs);
394	}	478	}
395		479
396	++nreqs;	480	++nreqs;
397		481
398	LOCK (reqlock);	482	X_LOCK (reqlock);
399	++nready;	483	++nready;
400	reqq_push (&req_queue, req);	484	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	485	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	486	X_UNLOCK (reqlock);
403		487
404	maybe_start_thread ();	488	maybe_start_thread ();
405		489
406	if (wait_callback)	490	if (wait_callback)
407	{	491	{
…		…
420	Newz (0, req, 1, aio_cb);	504	Newz (0, req, 1, aio_cb);
421		505
422	req->type = REQ_QUIT;	506	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	507	req->pri = PRI_MAX + PRI_BIAS;
424		508
425	LOCK (reqlock);	509	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	510	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	511	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	512	X_UNLOCK (reqlock);
429		513
430	LOCK (wrklock);	514	X_LOCK (wrklock);
431	--started;	515	--started;
432	UNLOCK (wrklock);	516	X_UNLOCK (wrklock);
433	}	517	}
434		518
435	static void set_max_idle (int nthreads)	519	static void set_max_idle (int nthreads)
436	{	520	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	521	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	522	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	523	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	524	}
441		525
442	static void min_parallel (int nthreads)	526	static void min_parallel (int nthreads)
443	{	527	{
444	if (wanted < nthreads)	528	if (wanted < nthreads)
…		…
459	fd_set rfd;	543	fd_set rfd;
460		544
461	while (nreqs)	545	while (nreqs)
462	{	546	{
463	int size;	547	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	548	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	549	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	550	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		551
468	if (size)	552	if (size)
469	return;	553	return;
470		554
471	maybe_start_thread ();	555	maybe_start_thread ();
472		556
473	FD_ZERO(&rfd);	557	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	558	FD_SET (respipe [0], &rfd);
475		559
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	560	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	561	}
478	}	562	}
479		563
480	static int poll_cb ()	564	static int poll_cb ()
481	{	565	{
…		…
493	{	577	{
494	for (;;)	578	for (;;)
495	{	579	{
496	maybe_start_thread ();	580	maybe_start_thread ();
497		581
498	LOCK (reslock);	582	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	583	req = reqq_shift (&res_queue);
500		584
501	if (req)	585	if (req)
502	{	586	{
503	--npending;	587	--npending;
504		588
505	if (!res_queue.size)	589	if (!res_queue.size)
506	{	590	{
507	/* read any signals sent by the worker threads */	591	/* read any signals sent by the worker threads */
508	char buf [4];	592	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	593	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	594	;
511	}	595	}
512	}	596	}
513		597
514	UNLOCK (reslock);	598	X_UNLOCK (reslock);
515		599
516	if (!req)	600	if (!req)
517	break;	601	break;
518		602
519	--nreqs;	603	--nreqs;
…		…
549	}	633	}
550		634
551	return count;	635	return count;
552	}	636	}
553		637
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	638	/*****************************************************************************/
567		639
568	static void *aio_proc (void *thr_arg)	640	X_THREAD_PROC (bdb_proc)
569	{	641	{
570	aio_req req;	642	aio_req req;
571	struct timespec ts;	643	struct timespec ts;
572	worker *self = (worker *)thr_arg;	644	worker *self = (worker *)thr_arg;
573		645
574	/* try to distribute timeouts somewhat evenly */	646	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	647	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		648
578	for (;;)	649	for (;;)
579	{	650	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	651	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		652
582	LOCK (reqlock);	653	X_LOCK (reqlock);
583		654
584	for (;;)	655	for (;;)
585	{	656	{
586	self->req = req = reqq_shift (&req_queue);	657	self->req = req = reqq_shift (&req_queue);
587		658
588	if (req)	659	if (req)
589	break;	660	break;
590		661
591	++idle;	662	++idle;
592		663
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	664	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	665	== ETIMEDOUT)
595	{	666	{
596	if (idle > max_idle)	667	if (idle > max_idle)
597	{	668	{
598	--idle;	669	--idle;
599	UNLOCK (reqlock);	670	X_UNLOCK (reqlock);
600	LOCK (wrklock);	671	X_LOCK (wrklock);
601	--started;	672	--started;
602	UNLOCK (wrklock);	673	X_UNLOCK (wrklock);
603	goto quit;	674	goto quit;
604	}	675	}
605		676
606	/* we are allowed to idle, so do so without any timeout */	677	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	678	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	679	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	680	}
610		681
611	--idle;	682	--idle;
612	}	683	}
613		684
614	--nready;	685	--nready;
615		686
616	UNLOCK (reqlock);	687	X_UNLOCK (reqlock);
617		688
618	switch (req->type)	689	switch (req->type)
619	{	690	{
620	case REQ_QUIT:	691	case REQ_QUIT:
		692	req->result = ENOSYS;
621	goto quit;	693	goto quit;
622		694
623	case REQ_ENV_OPEN:	695	case REQ_ENV_OPEN:
624	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	696	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
625	break;	697	break;
626		698
627	case REQ_ENV_CLOSE:	699	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);	700	req->result = req->env->close (req->env, req->uint1);
629	break;	701	break;
630		702
		703	case REQ_ENV_TXN_CHECKPOINT:
		704	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		705	break;
		706
		707	case REQ_ENV_LOCK_DETECT:
		708	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		709	break;
		710
		711	case REQ_ENV_MEMP_SYNC:
		712	req->result = req->env->memp_sync (req->env, 0);
		713	break;
		714
		715	case REQ_ENV_MEMP_TRICKLE:
		716	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		717	break;
		718
631	case REQ_DB_OPEN:	719	case REQ_DB_OPEN:
632	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	720	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
633	break;	721	break;
634		722
635	case REQ_DB_CLOSE:	723	case REQ_DB_CLOSE:
…		…
654		742
655	case REQ_DB_PGET:	743	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	744	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;	745	break;
658		746
		747	case REQ_DB_DEL:
		748	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		749	break;
		750
		751	case REQ_DB_KEY_RANGE:
		752	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		753	break;
		754
659	case REQ_TXN_COMMIT:	755	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);	756	req->result = req->txn->commit (req->txn, req->uint1);
661	break;	757	break;
662		758
663	case REQ_TXN_ABORT:	759	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);	760	req->result = req->txn->abort (req->txn);
665	break;	761	break;
666		762
		763	case REQ_TXN_FINISH:
		764	if (req->txn->flags & TXN_DEADLOCK)
		765	{
		766	req->result = req->txn->abort (req->txn);
		767	if (!req->result)
		768	req->result = DB_LOCK_DEADLOCK;
		769	}
		770	else
		771	req->result = req->txn->commit (req->txn, req->uint1);
		772	break;
		773
		774	case REQ_C_CLOSE:
		775	req->result = req->dbc->c_close (req->dbc);
		776	break;
		777
		778	case REQ_C_COUNT:
		779	{
		780	db_recno_t recno;
		781	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		782	req->uv1 = recno;
		783	}
		784	break;
		785
		786	case REQ_C_PUT:
		787	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		788	break;
		789
		790	case REQ_C_GET:
		791	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_C_PGET:
		795	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		796	break;
		797
		798	case REQ_C_DEL:
		799	req->result = req->dbc->c_del (req->dbc, req->uint1);
		800	break;
		801
		802	case REQ_SEQ_OPEN:
		803	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		804	break;
		805
		806	case REQ_SEQ_CLOSE:
		807	req->result = req->seq->close (req->seq, req->uint1);
		808	break;
		809
		810	case REQ_SEQ_GET:
		811	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		812	break;
		813
		814	case REQ_SEQ_REMOVE:
		815	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		816	break;
		817
667	default:	818	default:
668	req->result = ENOSYS;	819	req->result = ENOSYS;
669	break;	820	break;
670	}	821	}
671		822
		823	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		824	req->txn->flags |= TXN_DEADLOCK;
		825
672	LOCK (reslock);	826	X_LOCK (reslock);
673		827
674	++npending;	828	++npending;
675		829
676	if (!reqq_push (&res_queue, req))	830	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	831	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	832	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		833
680	self->req = 0;	834	self->req = 0;
681	worker_clear (self);	835	worker_clear (self);
682		836
683	UNLOCK (reslock);	837	X_UNLOCK (reslock);
684	}	838	}
685		839
686	quit:	840	quit:
687	LOCK (wrklock);	841	X_LOCK (wrklock);
688	worker_free (self);	842	worker_free (self);
689	UNLOCK (wrklock);	843	X_UNLOCK (wrklock);
690		844
691	return 0;	845	return 0;
692	}	846	}
693		847
694	/*****************************************************************************/	848	/*****************************************************************************/
695		849
696	static void atfork_prepare (void)	850	static void atfork_prepare (void)
697	{	851	{
698	LOCK (wrklock);	852	X_LOCK (wrklock);
699	LOCK (reqlock);	853	X_LOCK (reqlock);
700	LOCK (reslock);	854	X_LOCK (reslock);
701	}	855	}
702		856
703	static void atfork_parent (void)	857	static void atfork_parent (void)
704	{	858	{
705	UNLOCK (reslock);	859	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	860	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	861	X_UNLOCK (wrklock);
708	}	862	}
709		863
710	static void atfork_child (void)	864	static void atfork_child (void)
711	{	865	{
712	aio_req prv;	866	aio_req prv;
…		…
732	idle = 0;	886	idle = 0;
733	nreqs = 0;	887	nreqs = 0;
734	nready = 0;	888	nready = 0;
735	npending = 0;	889	npending = 0;
736		890
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	891	create_respipe ();
740		892
741	atfork_parent ();	893	atfork_parent ();
742	}	894	}
743		895
744	#define dREQ(reqtype) \	896	#define dREQ(reqtype) \
…		…
762		914
763	#define SvPTR(var, arg, type, class, nullok) \	915	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	916	if (!SvOK (arg)) \
765	{ \	917	{ \
766	if (!nullok) \	918	if (!nullok) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	919	croak (# var " must be a " # class " object, not undef"); \
768	\	920	\
769	(var) = 0; \	921	(var) = 0; \
770	} \	922	} \
771	else if (sv_derived_from ((arg), # class)) \	923	else if (sv_derived_from ((arg), # class)) \
772	{ \	924	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	925	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	926	(var) = INT2PTR (type, tmp); \
775	if (!var) \	927	if (!var) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	928	croak (# var " is not a valid " # class " object anymore"); \
777	} \	929	} \
778	else \	930	else \
779	Perl_croak (# var " is not of type " # class); \	931	croak (# var " is not of type " # class); \
780	\	932	\
781		933
782	static void	934	static void
783	ptr_nuke (SV *sv)	935	ptr_nuke (SV *sv)
784	{	936	{
…		…
823	const_iv (DSYNC_DB)	975	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)	976	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)	977	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)	978	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	979	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	980	const_iv (NOMMAP)
830	const_iv (NOPANIC)	981	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	982	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	983	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	984	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	985	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	986	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)
837	const_iv (TXN_WRITE_NOSYNC)	987	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	988	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	989	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	990	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	991	const_iv (XA_CREATE)
…		…
859	const_iv (REVSPLITOFF)	1009	const_iv (REVSPLITOFF)
860	const_iv (INORDER)	1010	const_iv (INORDER)
861	const_iv (CONSUME)	1011	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1012	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1013	const_iv (GET_BOTH)
		1014	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1015	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1016	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1017	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1018	const_iv (JOIN_ITEM)
868	const_iv (RMW)	1019	const_iv (RMW)
…		…
873	const_iv (LOCK_NOTGRANTED)	1024	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1025	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1026	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1027	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1028	const_iv (REP_LOCKOUT)
		1029	const_iv (SECONDARY_BAD)
878		1030
879	const_iv (FREE_SPACE)	1031	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)	1032	const_iv (FREELIST_ONLY)
881		1033
882	const_iv (APPEND)	1034	const_iv (APPEND)
883	const_iv (NODUPDATA)	1035	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1036	const_iv (NOOVERWRITE)
885		1037
886	const_iv (TXN_NOWAIT)	1038	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1039	const_iv (TXN_SYNC)
889		1040
890	const_iv (SET_LOCK_TIMEOUT)	1041	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1042	const_iv (SET_TXN_TIMEOUT)
		1043
		1044	const_iv (JOIN_ITEM)
		1045	const_iv (FIRST)
		1046	const_iv (NEXT)
		1047	const_iv (NEXT_DUP)
		1048	const_iv (NEXT_NODUP)
		1049	const_iv (PREV)
		1050	const_iv (PREV_NODUP)
		1051	const_iv (SET)
		1052	const_iv (SET_RANGE)
		1053	const_iv (LAST)
		1054	const_iv (BEFORE)
		1055	const_iv (AFTER)
		1056	const_iv (CURRENT)
		1057	const_iv (KEYFIRST)
		1058	const_iv (KEYLAST)
		1059	const_iv (NODUPDATA)
		1060
		1061	const_iv (FORCE)
		1062
		1063	const_iv (LOCK_DEFAULT)
		1064	const_iv (LOCK_EXPIRE)
		1065	const_iv (LOCK_MAXLOCKS)
		1066	const_iv (LOCK_MAXWRITE)
		1067	const_iv (LOCK_MINLOCKS)
		1068	const_iv (LOCK_MINWRITE)
		1069	const_iv (LOCK_OLDEST)
		1070	const_iv (LOCK_RANDOM)
		1071	const_iv (LOCK_YOUNGEST)
		1072
		1073	const_iv (SEQ_DEC)
		1074	const_iv (SEQ_INC)
		1075	const_iv (SEQ_WRAP)
		1076
		1077	const_iv (BUFFER_SMALL)
		1078	const_iv (DONOTINDEX)
		1079	const_iv (KEYEMPTY )
		1080	const_iv (KEYEXIST )
		1081	const_iv (LOCK_DEADLOCK)
		1082	const_iv (LOCK_NOTGRANTED)
		1083	const_iv (LOG_BUFFER_FULL)
		1084	const_iv (NOSERVER)
		1085	const_iv (NOSERVER_HOME)
		1086	const_iv (NOSERVER_ID)
		1087	const_iv (NOTFOUND)
		1088	const_iv (OLD_VERSION)
		1089	const_iv (PAGE_NOTFOUND)
		1090	const_iv (REP_DUPMASTER)
		1091	const_iv (REP_HANDLE_DEAD)
		1092	const_iv (REP_HOLDELECTION)
		1093	const_iv (REP_IGNORE)
		1094	const_iv (REP_ISPERM)
		1095	const_iv (REP_JOIN_FAILURE)
		1096	const_iv (REP_LOCKOUT)
		1097	const_iv (REP_NEWMASTER)
		1098	const_iv (REP_NEWSITE)
		1099	const_iv (REP_NOTPERM)
		1100	const_iv (REP_UNAVAIL)
		1101	const_iv (RUNRECOVERY)
		1102	const_iv (SECONDARY_BAD)
		1103	const_iv (VERIFY_BAD)
		1104	const_iv (VERSION_MISMATCH)
		1105
		1106	const_iv (VERB_DEADLOCK)
		1107	const_iv (VERB_RECOVERY)
		1108	const_iv (VERB_REGISTER)
		1109	const_iv (VERB_REPLICATION)
		1110	const_iv (VERB_WAITSFOR)
		1111
		1112	const_iv (VERSION_MAJOR)
		1113	const_iv (VERSION_MINOR)
		1114	const_iv (VERSION_PATCH)
		1115	#if DB_VERSION_MINOR >= 5
		1116	const_iv (MULTIVERSION)
		1117	const_iv (TXN_SNAPSHOT)
		1118	#endif
		1119	#if DB_VERSION_MINOR >= 6
		1120	const_iv (PREV_DUP)
		1121	# if 0
		1122	const_iv (PRIORITY_UNCHANGED)
		1123	const_iv (PRIORITY_VERY_LOW)
		1124	const_iv (PRIORITY_LOW)
		1125	const_iv (PRIORITY_DEFAULT)
		1126	const_iv (PRIORITY_HIGH)
		1127	const_iv (PRIORITY_VERY_HIGH)
		1128	# endif
		1129	#endif
892	};	1130	};
893		1131
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1132	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1133	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1134
897	create_pipe ();	1135	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1136	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1137
		1138	create_respipe ();
		1139
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1140	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1141	#ifdef _WIN32
		1142	X_MUTEX_CHECK (wrklock);
		1143	X_MUTEX_CHECK (reslock);
		1144	X_MUTEX_CHECK (reqlock);
		1145
		1146	X_COND_CHECK (reqwait);
		1147	#endif
899	}	1148	}
900		1149
901	void	1150	void
902	max_poll_reqs (int nreqs)	1151	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1152	PROTOTYPE: $
…		…
1022		1271
1023	int	1272	int
1024	nthreads ()	1273	nthreads ()
1025	PROTOTYPE:	1274	PROTOTYPE:
1026	CODE:	1275	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1276	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1277	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1278	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1279	OUTPUT:
1031	RETVAL	1280	RETVAL
1032		1281
1033	void	1282	void
1034	set_sync_prepare (SV *cb)	1283	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1284	PROTOTYPE: &
1036	CODE:	1285	CODE:
1037	SvREFCNT_dec (prepare_cb);	1286	SvREFCNT_dec (prepare_cb);
1038	prepare_cb = newSVsv (cb);	1287	prepare_cb = newSVsv (cb);
		1288
		1289	char *
		1290	strerror (int errorno = errno)
		1291	PROTOTYPE: ;$
		1292	CODE:
		1293	RETVAL = db_strerror (errorno);
		1294	OUTPUT:
		1295	RETVAL
1039		1296
1040	DB_ENV *	1297	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1298	db_env_create (U32 env_flags = 0)
1042	CODE:	1299	CODE:
1043	{	1300	{
1044	errno = db_env_create (&RETVAL, env_flags);	1301	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1302	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1303	croak ("db_env_create: %s", db_strerror (errno));
		1304
		1305	if (0)
		1306	{
		1307	RETVAL->set_errcall (RETVAL, debug_errcall);
		1308	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1309	}
1047	}	1310	}
1048	OUTPUT:	1311	OUTPUT:
1049	RETVAL	1312	RETVAL
1050		1313
1051	void	1314	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1315	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1053	CODE:	1316	CODE:
1054	{	1317	{
1055	dREQ (REQ_ENV_OPEN);	1318	dREQ (REQ_ENV_OPEN);
		1319
		1320	env->set_thread_count (env, wanted + 2);
		1321
1056	req->env = env;	1322	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1323	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1324	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1325	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1326	REQ_SEND;
…		…
1069	req->uint1 = flags;	1335	req->uint1 = flags;
1070	REQ_SEND;	1336	REQ_SEND;
1071	ptr_nuke (ST (0));	1337	ptr_nuke (ST (0));
1072	}	1338	}
1073		1339
		1340	void
		1341	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1342	CODE:
		1343	{
		1344	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1345	req->env = env;
		1346	req->uint1 = kbyte;
		1347	req->int1 = min;
		1348	req->uint2 = flags;
		1349	REQ_SEND;
		1350	}
		1351
		1352	void
		1353	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1354	CODE:
		1355	{
		1356	dREQ (REQ_ENV_LOCK_DETECT);
		1357	req->env = env;
		1358	req->uint1 = flags;
		1359	req->uint2 = atype;
		1360	REQ_SEND;
		1361	}
		1362
		1363	void
		1364	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1365	CODE:
		1366	{
		1367	dREQ (REQ_ENV_MEMP_SYNC);
		1368	req->env = env;
		1369	REQ_SEND;
		1370	}
		1371
		1372	void
		1373	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1374	CODE:
		1375	{
		1376	dREQ (REQ_ENV_MEMP_TRICKLE);
		1377	req->env = env;
		1378	req->int1 = percent;
		1379	REQ_SEND;
		1380	}
		1381
		1382
1074	DB *	1383	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1384	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1385	CODE:
1077	{	1386	{
1078	errno = db_create (&RETVAL, env, flags);	1387	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1388	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1389	croak ("db_create: %s", db_strerror (errno));
1081		1390
1082	if (RETVAL)	1391	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1392	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1393	}
1085	OUTPUT:	1394	OUTPUT:
…		…
1134	req->uint1 = flags;	1443	req->uint1 = flags;
1135	REQ_SEND;	1444	REQ_SEND;
1136	}	1445	}
1137		1446
1138	void	1447	void
		1448	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1449	CODE:
		1450	{
		1451	dREQ (REQ_DB_KEY_RANGE);
		1452	req->db = db;
		1453	req->txn = txn;
		1454	sv_to_dbt (&req->dbt1, key);
		1455	req->uint1 = flags;
		1456	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1457	REQ_SEND;
		1458	}
		1459
		1460	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1461	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1140	CODE:	1462	CODE:
1141	{	1463	{
1142	dREQ (REQ_DB_PUT);	1464	dREQ (REQ_DB_PUT);
1143	req->db = db;	1465	req->db = db;
…		…
1153	CODE:	1475	CODE:
1154	{	1476	{
1155	dREQ (REQ_DB_GET);	1477	dREQ (REQ_DB_GET);
1156	req->db = db;	1478	req->db = db;
1157	req->txn = txn;	1479	req->txn = txn;
		1480	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1481	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1482	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1483	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1484	REQ_SEND;
1164	}	1485	}
1165		1486
1166	void	1487	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1488	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1168	CODE:	1489	CODE:
1169	{	1490	{
1170	dREQ (REQ_DB_PGET);	1491	dREQ (REQ_DB_PGET);
1171	req->db = db;	1492	req->db = db;
1172	req->txn = txn;	1493	req->txn = txn;
		1494	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1495	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1496	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1497	req->dbt3.flags = DB_DBT_MALLOC;
		1498	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1499	REQ_SEND;
		1500	}
		1501
		1502	void
		1503	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1504	CODE:
		1505	{
		1506	dREQ (REQ_DB_DEL);
		1507	req->db = db;
		1508	req->txn = txn;
1176	req->uint1 = flags;	1509	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1510	sv_to_dbt (&req->dbt1, key);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1511	REQ_SEND;
1180	}	1512	}
1181		1513
1182	void	1514	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1515	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
…		…
1198	req->txn = txn;	1530	req->txn = txn;
1199	REQ_SEND;	1531	REQ_SEND;
1200	ptr_nuke (ST (0));	1532	ptr_nuke (ST (0));
1201	}	1533	}
1202		1534
		1535	void
		1536	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1537	CODE:
		1538	{
		1539	dREQ (REQ_TXN_FINISH);
		1540	req->txn = txn;
		1541	req->uint1 = flags;
		1542	REQ_SEND;
		1543	ptr_nuke (ST (0));
		1544	}
		1545
		1546	void
		1547	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1548	CODE:
		1549	{
		1550	dREQ (REQ_C_CLOSE);
		1551	req->dbc = dbc;
		1552	REQ_SEND;
		1553	ptr_nuke (ST (0));
		1554	}
		1555
		1556	void
		1557	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1558	CODE:
		1559	{
		1560	dREQ (REQ_C_COUNT);
		1561	req->dbc = dbc;
		1562	req->sv1 = SvREFCNT_inc (count);
		1563	REQ_SEND;
		1564	}
		1565
		1566	void
		1567	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1568	CODE:
		1569	{
		1570	dREQ (REQ_C_PUT);
		1571	req->dbc = dbc;
		1572	sv_to_dbt (&req->dbt1, key);
		1573	sv_to_dbt (&req->dbt2, data);
		1574	req->uint1 = flags;
		1575	REQ_SEND;
		1576	}
		1577
		1578	void
		1579	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1580	CODE:
		1581	{
		1582	dREQ (REQ_C_GET);
		1583	req->dbc = dbc;
		1584	req->uint1 = flags;
		1585	if ((flags & DB_SET) == DB_SET
		1586	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1587	sv_to_dbt (&req->dbt1, key);
		1588	else
		1589	req->dbt1.flags = DB_DBT_MALLOC;
		1590
		1591	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1592
		1593	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1594	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1595	sv_to_dbt (&req->dbt3, data);
		1596	else
		1597	req->dbt3.flags = DB_DBT_MALLOC;
		1598
		1599	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1600	REQ_SEND;
		1601	}
		1602
		1603	void
		1604	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1605	CODE:
		1606	{
		1607	dREQ (REQ_C_PGET);
		1608	req->dbc = dbc;
		1609	req->uint1 = flags;
		1610	if ((flags & DB_SET) == DB_SET
		1611	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1612	sv_to_dbt (&req->dbt1, key);
		1613	else
		1614	req->dbt1.flags = DB_DBT_MALLOC;
		1615
		1616	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1617
		1618	req->dbt2.flags = DB_DBT_MALLOC;
		1619	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1620
		1621	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1622	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1623	sv_to_dbt (&req->dbt3, data);
		1624	else
		1625	req->dbt3.flags = DB_DBT_MALLOC;
		1626
		1627	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1628	REQ_SEND;
		1629	}
		1630
		1631	void
		1632	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1633	CODE:
		1634	{
		1635	dREQ (REQ_C_DEL);
		1636	req->dbc = dbc;
		1637	req->uint1 = flags;
		1638	REQ_SEND;
		1639	}
		1640
		1641
		1642	void
		1643	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1644	CODE:
		1645	{
		1646	dREQ (REQ_SEQ_OPEN);
		1647	req->seq = seq;
		1648	req->txn = txnid;
		1649	req->uint1 = flags | DB_THREAD;
		1650	sv_to_dbt (&req->dbt1, key);
		1651	REQ_SEND;
		1652	}
		1653
		1654	void
		1655	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1656	CODE:
		1657	{
		1658	dREQ (REQ_SEQ_CLOSE);
		1659	req->seq = seq;
		1660	req->uint1 = flags;
		1661	REQ_SEND;
		1662	ptr_nuke (ST (0));
		1663	}
		1664
		1665	void
		1666	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)
		1667	CODE:
		1668	{
		1669	dREQ (REQ_SEQ_GET);
		1670	req->seq = seq;
		1671	req->txn = txnid;
		1672	req->int1 = delta;
		1673	req->uint1 = flags;
		1674	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1675	REQ_SEND;
		1676	}
		1677
		1678	void
		1679	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1680	CODE:
		1681	{
		1682	dREQ (REQ_SEQ_REMOVE);
		1683	req->seq = seq;
		1684	req->txn = txnid;
		1685	req->uint1 = flags;
		1686	REQ_SEND;
		1687	}
		1688
1203		1689
1204	MODULE = BDB PACKAGE = BDB::Env	1690	MODULE = BDB PACKAGE = BDB::Env
1205		1691
1206	void	1692	void
1207	DESTROY (DB_ENV_ornull *env)	1693	DESTROY (DB_ENV_ornull *env)
1208	CODE:	1694	CODE:
1209	if (env)	1695	if (env)
1210	env->close (env, 0);	1696	env->close (env, 0);
1211		1697
		1698	int set_data_dir (DB_ENV *env, const char *dir)
		1699	CODE:
		1700	RETVAL = env->set_data_dir (env, dir);
		1701	OUTPUT:
		1702	RETVAL
		1703
		1704	int set_tmp_dir (DB_ENV *env, const char *dir)
		1705	CODE:
		1706	RETVAL = env->set_tmp_dir (env, dir);
		1707	OUTPUT:
		1708	RETVAL
		1709
		1710	int set_lg_dir (DB_ENV *env, const char *dir)
		1711	CODE:
		1712	RETVAL = env->set_lg_dir (env, dir);
		1713	OUTPUT:
		1714	RETVAL
		1715
		1716	int set_shm_key (DB_ENV *env, long shm_key)
		1717	CODE:
		1718	RETVAL = env->set_shm_key (env, shm_key);
		1719	OUTPUT:
		1720	RETVAL
		1721
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1722	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	1723	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1724	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	1725	OUTPUT:
1216	RETVAL	1726	RETVAL
…		…
1219	CODE:	1729	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	1730	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	1731	OUTPUT:
1222	RETVAL	1732	RETVAL
1223		1733
		1734	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1735	CODE:
		1736	env->set_errfile (env, errfile);
		1737
		1738	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1739	CODE:
		1740	env->set_msgfile (env, msgfile);
		1741
		1742	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
		1743	CODE:
		1744	RETVAL = env->set_verbose (env, which, onoff);
		1745	OUTPUT:
		1746	RETVAL
		1747
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1748	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	1749	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	1750	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	1751	OUTPUT:
1228	RETVAL	1752	RETVAL
1229		1753
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1754	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	1755	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1756	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1757	OUTPUT:
		1758	RETVAL
		1759
		1760	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1761	CODE:
		1762	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1763	OUTPUT:
		1764	RETVAL
		1765
		1766	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1767	CODE:
		1768	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1769	OUTPUT:
		1770	RETVAL
		1771
		1772	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1773	CODE:
		1774	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1775	OUTPUT:
		1776	RETVAL
		1777
		1778	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1779	CODE:
		1780	RETVAL = env->set_lk_detect (env, detect);
		1781	OUTPUT:
		1782	RETVAL
		1783
		1784	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1785	CODE:
		1786	RETVAL = env->set_lk_max_lockers (env, max);
		1787	OUTPUT:
		1788	RETVAL
		1789
		1790	int set_lk_max_locks (DB_ENV *env, U32 max)
		1791	CODE:
		1792	RETVAL = env->set_lk_max_locks (env, max);
		1793	OUTPUT:
		1794	RETVAL
		1795
		1796	int set_lk_max_objects (DB_ENV *env, U32 max)
		1797	CODE:
		1798	RETVAL = env->set_lk_max_objects (env, max);
		1799	OUTPUT:
		1800	RETVAL
		1801
		1802	int set_lg_bsize (DB_ENV *env, U32 max)
		1803	CODE:
		1804	RETVAL = env->set_lg_bsize (env, max);
		1805	OUTPUT:
		1806	RETVAL
		1807
		1808	int set_lg_max (DB_ENV *env, U32 max)
		1809	CODE:
		1810	RETVAL = env->set_lg_max (env, max);
1233	OUTPUT:	1811	OUTPUT:
1234	RETVAL	1812	RETVAL
1235		1813
1236	DB_TXN *	1814	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1815	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	1816	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	1817	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	1818	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	1819	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	1820	OUTPUT:
1243	RETVAL	1821	RETVAL
1244		1822
1245	MODULE = BDB PACKAGE = BDB::Db	1823	MODULE = BDB PACKAGE = BDB::Db
1246		1824
…		…
1258	CODE:	1836	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1837	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	1838	OUTPUT:
1261	RETVAL	1839	RETVAL
1262		1840
1263	int set_flags (DB *db, U32 flags);	1841	int set_flags (DB *db, U32 flags)
1264	CODE:	1842	CODE:
1265	RETVAL = db->set_flags (db, flags);	1843	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	1844	OUTPUT:
1267	RETVAL	1845	RETVAL
1268		1846
…		…
1276	CODE:	1854	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	1855	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	1856	OUTPUT:
1279	RETVAL	1857	RETVAL
1280		1858
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	1859	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	1860	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	1861	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	1862	OUTPUT:
1286	RETVAL	1863	RETVAL
1287		1864
1288	int set_re_delim(DB *db, int delim);	1865	int set_re_delim (DB *db, int delim)
1289	CODE:	1866	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	1867	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	1868	OUTPUT:
1292	RETVAL	1869	RETVAL
1293		1870
…		…
1324	int set_q_extentsize (DB *db, U32 extentsize)	1901	int set_q_extentsize (DB *db, U32 extentsize)
1325	CODE:	1902	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	1903	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	1904	OUTPUT:
1328	RETVAL	1905	RETVAL
		1906
		1907	DBC *
		1908	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1909	CODE:
		1910	errno = db->cursor (db, txn, &RETVAL, flags);
		1911	if (errno)
		1912	croak ("DB->cursor: %s", db_strerror (errno));
		1913	OUTPUT:
		1914	RETVAL
		1915
		1916	DB_SEQUENCE *
		1917	sequence (DB *db, U32 flags = 0)
		1918	CODE:
		1919	{
		1920	errno = db_sequence_create (&RETVAL, db, flags);
		1921	if (errno)
		1922	croak ("db_sequence_create: %s", db_strerror (errno));
		1923	}
		1924	OUTPUT:
		1925	RETVAL
		1926
1329		1927
1330	MODULE = BDB PACKAGE = BDB::Txn	1928	MODULE = BDB PACKAGE = BDB::Txn
1331		1929
1332	void	1930	void
1333	DESTROY (DB_TXN_ornull *txn)	1931	DESTROY (DB_TXN_ornull *txn)
1334	CODE:	1932	CODE:
1335	if (txn)	1933	if (txn)
1336	txn->abort (txn);	1934	txn->abort (txn);
1337		1935
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	1936	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	1937	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	1938	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	1939	OUTPUT:
1342	RETVAL	1940	RETVAL
1343		1941
		1942	int failed (DB_TXN *txn)
		1943	CODE:
		1944	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1945	OUTPUT:
		1946	RETVAL
1344		1947
		1948
		1949	MODULE = BDB PACKAGE = BDB::Cursor
		1950
		1951	void
		1952	DESTROY (DBC_ornull *dbc)
		1953	CODE:
		1954	if (dbc)
		1955	dbc->c_close (dbc);
		1956
		1957	MODULE = BDB PACKAGE = BDB::Sequence
		1958
		1959	void
		1960	DESTROY (DB_SEQUENCE_ornull *seq)
		1961	CODE:
		1962	if (seq)
		1963	seq->close (seq, 0);
		1964
		1965	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1966	CODE:
		1967	RETVAL = seq->initial_value (seq, value);
		1968	OUTPUT:
		1969	RETVAL
		1970
		1971	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1972	CODE:
		1973	RETVAL = seq->set_cachesize (seq, size);
		1974	OUTPUT:
		1975	RETVAL
		1976
		1977	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1978	CODE:
		1979	RETVAL = seq->set_flags (seq, flags);
		1980	OUTPUT:
		1981	RETVAL
		1982
		1983	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1984	CODE:
		1985	RETVAL = seq->set_range (seq, min, max);
		1986	OUTPUT:
		1987	RETVAL
		1988

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