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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 1.53 by root, Thu Sep 25 22:09:02 2008 UTC

1	/* solaris */	1	#include <sys/user.h>
2	#define _POSIX_PTHREAD_SEMANTICS 1	2	#include <sys/ptrace.h>
3		3
4	#if __linux && !defined(_GNU_SOURCE)	4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5	# define _GNU_SOURCE
6	#endif
7		5
8	/* just in case */	6	#include "xthread.h"
9	#define _REENTRANT 1
10		7
11	#include <errno.h>	8	#include <errno.h>
12		9
13	#include "EXTERN.h"	10	#include "EXTERN.h"
14	#include "perl.h"	11	#include "perl.h"
15	#include "XSUB.h"	12	#include "XSUB.h"
16		13
17	#include <pthread.h>	14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
18		22
19	#include <stddef.h>	23	#include <stddef.h>
20	#include <stdlib.h>	24	#include <stdlib.h>
21	#include <errno.h>	25	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	26	#include <sys/types.h>
24	#include <limits.h>	27	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	28	#include <fcntl.h>
27		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
28	#include <db.h>	35	#include <db.h>
		36
		37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		39	#endif
29		40
30	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
32		43
33	/* wether word reads are potentially non-atomic.	44	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	45	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	46	typedef DBC DBC_ornull;
36	*/	47	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	48
38	# if __i386 || __x86_64	49	typedef DB_ENV DB_ENV_ornuked;
39	# define WORDACCESS_UNSAFE 0	50	typedef DB_TXN DB_TXN_ornuked;
40	# else	51	typedef DBC DBC_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	57	#endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49		58
50	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	60	typedef char *bdb_filename;
52		61
53	static SV *prepare_cb;	62	static SV *prepare_cb;
54		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
55	static inline char *	74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
56	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
57	{	118	{
58	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
59	}	120	}
60		121
61	inline void	122	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
63	{	124	{
64	STRLEN len;	125	STRLEN len;
65	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
66		127
67	dbt->data = malloc (len);	128	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
69	dbt->size = len;	130	dbt->size = len;
		131	dbt->flags = DB_DBT_REALLOC;
70	}	132	}
71		133
72	inline void	134	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
74	{	136	{
		137	if (sv)
		138	{
75	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
		141	SvREFCNT_dec (sv);
		142	}
77		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
78	free (dbt->data);	145	free (dbt->data);
79	}	146	}
80		147
81	enum {	148	enum {
82	REQ_QUIT,	149	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
86	};	157	};
87		158
88	typedef struct aio_cb	159	typedef struct bdb_cb
89	{	160	{
90	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
91	SV *callback;	162	SV *callback;
92	int type, pri, result;	163	int type, pri, result;
93		164
94	DB_ENV *env;	165	DB_ENV *env;
95	DB *db;	166	DB *db;
96	DB_TXN *txn;	167	DB_TXN *txn;
97	DBC *cursor;	168	DBC *dbc;
		169
		170	UV uv1;
98	int int1, int2;	171	int int1, int2;
99	U32 uint1, uint2;	172	U32 uint1, uint2;
100	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
101	SV *sv1, *sv2;	174	SV *sv1, *sv2, *sv3;
102		175
103	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
		179	DB_SEQUENCE *seq;
		180	db_seq_t seq_t;
		181	#endif
105		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
106	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
107		187
108	enum {	188	enum {
109	PRI_MIN = -4,	189	PRI_MIN = -4,
110	PRI_MAX = 4,	190	PRI_MAX = 4,
111		191
…		…
114	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
115	};	195	};
116		196
117	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
118		198
		199	static SV *on_next_submit;
		200
119	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
120	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
121		203
122	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
123	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
128		210
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		212
131	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
132		214
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 */	215	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
144		217
145	typedef struct worker {	218	typedef struct worker {
146	/* locked by wrklock */	219	/* locked by wrklock */
147	struct worker *prev, *next;	220	struct worker *prev, *next;
148		221
149	pthread_t tid;	222	thread_t tid;
150		223
151	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
153	void *dbuf;	226	void *dbuf;
154	DIR *dirp;	227	DIR *dirp;
155	} worker;	228	} worker;
156		229
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	242	}
170		243
171	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		248
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
179		252
180	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
181		254
182	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
183	{	256	{
184	unsigned int retval;	257	unsigned int retval;
185		258
186	LOCK (reqlock);	259	X_LOCK (reqlock);
187	retval = nready;	260	retval = nready;
188	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
189		262
190	return retval;	263	return retval;
191	}	264	}
192		265
193	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
194	{	267	{
195	unsigned int retval;	268	unsigned int retval;
196		269
197	LOCK (reslock);	270	X_LOCK (reslock);
198	retval = npending;	271	retval = npending;
199	UNLOCK (reslock);	272	X_UNLOCK (reslock);
200		273
201	return retval;	274	return retval;
202	}	275	}
203		276
204	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
205	{	278	{
206	unsigned int retval;	279	unsigned int retval;
207		280
208	LOCK (wrklock);	281	X_LOCK (wrklock);
209	retval = started;	282	retval = started;
210	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
211		284
212	return retval;	285	return retval;
213	}	286	}
214		287
215	#else	288	#else
…		…
224	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
227	*/	300	*/
228	typedef struct {	301	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	303	int size;
231	} reqq;	304	} reqq;
232		305
233	static reqq req_queue;	306	static reqq req_queue;
234	static reqq res_queue;	307	static reqq res_queue;
235		308
236	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
237	{	310	{
238	int pri = req->pri;	311	int pri = req->pri;
239	req->next = 0;	312	req->next = 0;
240		313
241	if (q->qe[pri])	314	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
248		321
249	return q->size++;	322	return q->size++;
250	}	323	}
251		324
252	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
253	{	326	{
254	int pri;	327	int pri;
255		328
256	if (!q->size)	329	if (!q->size)
257	return 0;	330	return 0;
258		331
259	--q->size;	332	--q->size;
260		333
261	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
262	{	335	{
263	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
264		337
265	if (req)	338	if (req)
266	{	339	{
267	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
272	}	345	}
273		346
274	abort ();	347	abort ();
275	}	348	}
276		349
277	static int poll_cb ();	350	static int poll_cb (void);
278	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
280		353
281	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
282	{	355	{
283	dSP;	356	switch (req->type)
284
285	if (SvOK (req->callback))
286	{	357	{
		358	case REQ_DB_CLOSE:
		359	SvREFCNT_dec (req->sv1);
		360	break;
		361
		362	case REQ_DB_GET:
		363	case REQ_DB_PGET:
		364	dbt_to_sv (req->sv3, &req->dbt3);
		365	break;
		366
		367	case REQ_C_GET:
		368	case REQ_C_PGET:
		369	dbt_to_sv (req->sv1, &req->dbt1);
		370	dbt_to_sv (req->sv2, &req->dbt2);
		371	dbt_to_sv (req->sv3, &req->dbt3);
		372	break;
		373
		374	case REQ_DB_PUT:
		375	case REQ_C_PUT:
		376	dbt_to_sv (0, &req->dbt1);
		377	dbt_to_sv (0, &req->dbt2);
		378	break;
		379
		380	case REQ_DB_KEY_RANGE:
		381	{
		382	AV *av = newAV ();
		383
		384	av_push (av, newSVnv (req->key_range.less));
		385	av_push (av, newSVnv (req->key_range.equal));
		386	av_push (av, newSVnv (req->key_range.greater));
		387
		388	SvREADONLY_off (req->sv1);
		389	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		390	SvREFCNT_dec (req->sv1);
		391	}
		392	break;
		393
		394	#if DB_VERSION_MINOR >= 3
		395	case REQ_SEQ_GET:
		396	SvREADONLY_off (req->sv1);
		397
		398	if (sizeof (IV) > 4)
		399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		400	else
		401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		402
		403	SvREFCNT_dec (req->sv1);
		404	break;
		405	#endif
		406	}
		407
		408	errno = req->result;
		409
		410	if (req->callback)
		411	{
		412	dSP;
		413
287	ENTER;	414	ENTER;
288	SAVETMPS;	415	SAVETMPS;
289	PUSHMARK (SP);	416	PUSHMARK (SP);
290	EXTEND (SP, 1);
291
292	switch (req->type)
293	{
294	case REQ_DB_GET:
295	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);
297	SvREFCNT_dec (req->sv1);
298	break;
299
300	case REQ_DB_CLOSE:
301	SvREFCNT_dec (req->sv1);
302	break;
303	}
304
305	errno = req->result;
306		417
307	PUTBACK;	418	PUTBACK;
308	call_sv (req->callback, G_VOID | G_EVAL);	419	call_sv (req->callback, G_VOID | G_EVAL);
309	SPAGAIN;	420	SPAGAIN;
310		421
311	FREETMPS;	422	FREETMPS;
312	LEAVE;	423	LEAVE;
		424
		425	return !SvTRUE (ERRSV);
313	}	426	}
314		427
315	return !SvTRUE (ERRSV);	428	return 1;
316	}	429	}
317		430
318	static void req_free (aio_req req)	431	static void req_free (bdb_req req)
319	{	432	{
		433	SvREFCNT_dec (req->callback);
		434
		435	SvREFCNT_dec (req->rsv1);
		436	SvREFCNT_dec (req->rsv2);
		437
320	free (req->buf1);	438	free (req->buf1);
321	free (req->buf2);	439	free (req->buf2);
		440	free (req->buf3);
		441
322	Safefree (req);	442	Safefree (req);
323	}	443	}
324		444
325	static void *aio_proc (void *arg);	445	#ifdef USE_SOCKETS_AS_HANDLES
		446	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		447	#else
		448	# define TO_SOCKET(x) (x)
		449	#endif
		450
		451	static void
		452	create_respipe (void)
		453	{
		454	#ifdef _WIN32
		455	int arg; /* argg */
		456	#endif
		457	int old_readfd = respipe [0];
		458
		459	if (respipe [1] >= 0)
		460	respipe_close (TO_SOCKET (respipe [1]));
		461
		462	#ifdef _WIN32
		463	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		464	#else
		465	if (pipe (respipe))
		466	#endif
		467	croak ("unable to initialize result pipe");
		468
		469	if (old_readfd >= 0)
		470	{
		471	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		472	croak ("unable to initialize result pipe(2)");
		473
		474	respipe_close (respipe [0]);
		475	respipe [0] = old_readfd;
		476	}
		477
		478	#ifdef _WIN32
		479	arg = 1;
		480	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		481	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		482	#else
		483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		484	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		485	#endif
		486	croak ("unable to initialize result pipe(3)");
		487
		488	respipe_osf [0] = TO_SOCKET (respipe [0]);
		489	respipe_osf [1] = TO_SOCKET (respipe [1]);
		490	}
		491
		492	static void bdb_request (bdb_req req);
		493	X_THREAD_PROC (bdb_proc);
326		494
327	static void start_thread (void)	495	static void start_thread (void)
328	{	496	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	497	worker *wrk = calloc (1, sizeof (worker));
333		498
334	if (!wrk)	499	if (!wrk)
335	croak ("unable to allocate worker thread data");	500	croak ("unable to allocate worker thread data");
336		501
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);	502	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	503	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	504	{
350	wrk->prev = &wrk_first;	505	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	506	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	507	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	508	wrk_first.next = wrk;
354	++started;	509	++started;
355	}	510	}
356	else	511	else
357	free (wrk);	512	free (wrk);
358		513
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	514	X_UNLOCK (wrklock);
361	}	515	}
362		516
363	static void maybe_start_thread ()	517	static void maybe_start_thread (void)
364	{	518	{
365	if (get_nthreads () >= wanted)	519	if (get_nthreads () >= wanted)
366	return;	520	return;
367		521
368	/* todo: maybe use idle here, but might be less exact */	522	/* todo: maybe use idle here, but might be less exact */
…		…
370	return;	524	return;
371		525
372	start_thread ();	526	start_thread ();
373	}	527	}
374		528
375	static void req_send (aio_req req)	529	static void req_send (bdb_req req)
376	{	530	{
377	SV *wait_callback = 0;	531	SV *wait_callback = 0;
378		532
379	// synthesize callback if none given	533	if (on_next_submit)
380	if (!SvOK (req->callback))
381	{	534	{
382	dSP;	535	dSP;
		536	SV *cb = sv_2mortal (on_next_submit);
		537
		538	on_next_submit = 0;
		539
383	PUSHMARK (SP);	540	PUSHMARK (SP);
384	PUTBACK;	541	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	542	call_sv (cb, G_DISCARD | G_EVAL);
386	SPAGAIN;	543	SPAGAIN;
387
388	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");
390
391	wait_callback = SvREFCNT_inc (POPs);
392	SvREFCNT_dec (req->callback);
393	req->callback = SvREFCNT_inc (POPs);
394	}	544	}
395		545
		546	// synthesize callback if none given
		547	if (!req->callback)
		548	{
		549	if (SvOK (prepare_cb))
		550	{
		551	int count;
		552
		553	dSP;
		554	PUSHMARK (SP);
		555	PUTBACK;
		556	count = call_sv (prepare_cb, G_ARRAY);
		557	SPAGAIN;
		558
		559	if (count != 2)
		560	croak ("prepare callback must return exactly two values\n");
		561
		562	wait_callback = POPs;
		563	req->callback = SvREFCNT_inc (POPs);
		564	}
		565	else
		566	{
		567	// execute request synchronously
		568	bdb_request (req);
		569	req_invoke (req);
		570	req_free (req);
		571	return;
		572	}
		573	}
		574
396	++nreqs;	575	++nreqs;
397		576
398	LOCK (reqlock);	577	X_LOCK (reqlock);
399	++nready;	578	++nready;
400	reqq_push (&req_queue, req);	579	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	580	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	581	X_UNLOCK (reqlock);
403		582
404	maybe_start_thread ();	583	maybe_start_thread ();
405		584
406	if (wait_callback)	585	if (wait_callback)
407	{	586	{
408	dSP;	587	dSP;
409	PUSHMARK (SP);	588	PUSHMARK (SP);
410	PUTBACK;	589	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	590	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	591	}
414	}	592	}
415		593
416	static void end_thread (void)	594	static void end_thread (void)
417	{	595	{
418	aio_req req;	596	bdb_req req = calloc (1, sizeof (bdb_cb));
419
420	Newz (0, req, 1, aio_cb);
421		597
422	req->type = REQ_QUIT;	598	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	599	req->pri = PRI_MAX + PRI_BIAS;
424		600
425	LOCK (reqlock);	601	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	602	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	603	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	604	X_UNLOCK (reqlock);
429		605
430	LOCK (wrklock);	606	X_LOCK (wrklock);
431	--started;	607	--started;
432	UNLOCK (wrklock);	608	X_UNLOCK (wrklock);
433	}	609	}
434		610
435	static void set_max_idle (int nthreads)	611	static void set_max_idle (int nthreads)
436	{	612	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	613	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	614	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	615	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	616	}
441		617
442	static void min_parallel (int nthreads)	618	static void min_parallel (int nthreads)
443	{	619	{
444	if (wanted < nthreads)	620	if (wanted < nthreads)
…		…
452		628
453	while (started > wanted)	629	while (started > wanted)
454	end_thread ();	630	end_thread ();
455	}	631	}
456		632
457	static void poll_wait ()	633	static void poll_wait (void)
458	{	634	{
459	fd_set rfd;	635	fd_set rfd;
460		636
461	while (nreqs)	637	while (nreqs)
462	{	638	{
463	int size;	639	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	640	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	641	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	642	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		643
468	if (size)	644	if (size)
469	return;	645	return;
470		646
471	maybe_start_thread ();	647	maybe_start_thread ();
472		648
473	FD_ZERO(&rfd);	649	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	650	FD_SET (respipe [0], &rfd);
475		651
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	652	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	653	}
478	}	654	}
479		655
480	static int poll_cb ()	656	static int poll_cb (void)
481	{	657	{
482	dSP;	658	dSP;
483	int count = 0;	659	int count = 0;
484	int maxreqs = max_poll_reqs;	660	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	661	int do_croak = 0;
486	struct timeval tv_start, tv_now;	662	struct timeval tv_start, tv_now;
487	aio_req req;	663	bdb_req req;
488		664
489	if (max_poll_time)	665	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	666	gettimeofday (&tv_start, 0);
491		667
492	for (;;)	668	for (;;)
493	{	669	{
494	for (;;)	670	for (;;)
495	{	671	{
496	maybe_start_thread ();	672	maybe_start_thread ();
497		673
498	LOCK (reslock);	674	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	675	req = reqq_shift (&res_queue);
500		676
501	if (req)	677	if (req)
502	{	678	{
503	--npending;	679	--npending;
504		680
505	if (!res_queue.size)	681	if (!res_queue.size)
506	{	682	{
507	/* read any signals sent by the worker threads */	683	/* read any signals sent by the worker threads */
508	char buf [4];	684	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	685	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	686	;
511	}	687	}
512	}	688	}
513		689
514	UNLOCK (reslock);	690	X_UNLOCK (reslock);
515		691
516	if (!req)	692	if (!req)
517	break;	693	break;
518		694
519	--nreqs;	695	--nreqs;
…		…
549	}	725	}
550		726
551	return count;	727	return count;
552	}	728	}
553		729
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	/*****************************************************************************/	730	/*****************************************************************************/
567		731
568	static void *aio_proc (void *thr_arg)	732	static void
		733	bdb_request (bdb_req req)
569	{	734	{
		735	switch (req->type)
		736	{
		737	case REQ_ENV_OPEN:
		738	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		739	break;
		740
		741	case REQ_ENV_CLOSE:
		742	req->result = req->env->close (req->env, req->uint1);
		743	break;
		744
		745	case REQ_ENV_TXN_CHECKPOINT:
		746	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		747	break;
		748
		749	case REQ_ENV_LOCK_DETECT:
		750	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		751	break;
		752
		753	case REQ_ENV_MEMP_SYNC:
		754	req->result = req->env->memp_sync (req->env, 0);
		755	break;
		756
		757	case REQ_ENV_MEMP_TRICKLE:
		758	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		759	break;
		760
		761	case REQ_ENV_DBREMOVE:
		762	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		763	break;
		764
		765	case REQ_ENV_DBRENAME:
		766	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		767	break;
		768
		769	case REQ_DB_OPEN:
		770	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		771	break;
		772
		773	case REQ_DB_CLOSE:
		774	req->result = req->db->close (req->db, req->uint1);
		775	break;
		776
		777	#if DB_VERSION_MINOR >= 4
		778	case REQ_DB_COMPACT:
		779	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		780	break;
		781	#endif
		782
		783	case REQ_DB_SYNC:
		784	req->result = req->db->sync (req->db, req->uint1);
		785	break;
		786
		787	case REQ_DB_UPGRADE:
		788	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		789	break;
		790
		791	case REQ_DB_PUT:
		792	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		793	break;
		794
		795	#if DB_VERSION_MINOR >= 6
		796	case REQ_DB_EXISTS:
		797	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		798	break;
		799	#endif
		800	case REQ_DB_GET:
		801	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		802	break;
		803
		804	case REQ_DB_PGET:
		805	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		806	break;
		807
		808	case REQ_DB_DEL:
		809	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		810	break;
		811
		812	case REQ_DB_KEY_RANGE:
		813	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		814	break;
		815
		816	case REQ_TXN_COMMIT:
		817	req->result = req->txn->commit (req->txn, req->uint1);
		818	break;
		819
		820	case REQ_TXN_ABORT:
		821	req->result = req->txn->abort (req->txn);
		822	break;
		823
		824	case REQ_TXN_FINISH:
		825	if (req->txn->flags & TXN_DEADLOCK)
		826	{
		827	req->result = req->txn->abort (req->txn);
		828	if (!req->result)
		829	req->result = DB_LOCK_DEADLOCK;
		830	}
		831	else
		832	req->result = req->txn->commit (req->txn, req->uint1);
		833	break;
		834
		835	case REQ_C_CLOSE:
		836	req->result = req->dbc->c_close (req->dbc);
		837	break;
		838
		839	case REQ_C_COUNT:
		840	{
		841	db_recno_t recno;
		842	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		843	req->uv1 = recno;
		844	}
		845	break;
		846
		847	case REQ_C_PUT:
		848	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		849	break;
		850
		851	case REQ_C_GET:
		852	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		853	break;
		854
		855	case REQ_C_PGET:
		856	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		857	break;
		858
		859	case REQ_C_DEL:
		860	req->result = req->dbc->c_del (req->dbc, req->uint1);
		861	break;
		862
		863	#if DB_VERSION_MINOR >= 3
		864	case REQ_SEQ_OPEN:
		865	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		866	break;
		867
		868	case REQ_SEQ_CLOSE:
		869	req->result = req->seq->close (req->seq, req->uint1);
		870	break;
		871
		872	case REQ_SEQ_GET:
		873	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		874	break;
		875
		876	case REQ_SEQ_REMOVE:
		877	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		878	break;
		879	#endif
		880
		881	default:
		882	req->result = ENOSYS;
		883	break;
		884	}
		885
		886	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		887	req->txn->flags |= TXN_DEADLOCK;
		888	}
		889
		890	X_THREAD_PROC (bdb_proc)
		891	{
570	aio_req req;	892	bdb_req req;
571	struct timespec ts;	893	struct timespec ts;
572	worker *self = (worker *)thr_arg;	894	worker *self = (worker *)thr_arg;
573		895
574	/* try to distribute timeouts somewhat evenly */	896	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	897	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		898
578	for (;;)	899	for (;;)
579	{	900	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	901	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		902
582	LOCK (reqlock);	903	X_LOCK (reqlock);
583		904
584	for (;;)	905	for (;;)
585	{	906	{
586	self->req = req = reqq_shift (&req_queue);	907	self->req = req = reqq_shift (&req_queue);
587		908
588	if (req)	909	if (req)
589	break;	910	break;
590		911
591	++idle;	912	++idle;
592		913
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	914	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	915	== ETIMEDOUT)
595	{	916	{
596	if (idle > max_idle)	917	if (idle > max_idle)
597	{	918	{
598	--idle;	919	--idle;
599	UNLOCK (reqlock);	920	X_UNLOCK (reqlock);
600	LOCK (wrklock);	921	X_LOCK (wrklock);
601	--started;	922	--started;
602	UNLOCK (wrklock);	923	X_UNLOCK (wrklock);
603	goto quit;	924	goto quit;
604	}	925	}
605		926
606	/* we are allowed to idle, so do so without any timeout */	927	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	928	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	929	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	930	}
610		931
611	--idle;	932	--idle;
612	}	933	}
613		934
614	--nready;	935	--nready;
615		936
616	UNLOCK (reqlock);	937	X_UNLOCK (reqlock);
617		938
618	switch (req->type)	939	if (req->type == REQ_QUIT)
619	{	940	{
620	case REQ_QUIT:	941	X_LOCK (reslock);
		942	free (req);
		943	self->req = 0;
		944	X_UNLOCK (reslock);
		945
621	goto quit;	946	goto quit;
622
623	case REQ_ENV_OPEN:
624	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
625	break;
626
627	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);
629	break;
630
631	case REQ_DB_OPEN:
632	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
633	break;
634
635	case REQ_DB_CLOSE:
636	req->result = req->db->close (req->db, req->uint1);
637	break;
638
639	case REQ_DB_COMPACT:
640	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
641	break;
642
643	case REQ_DB_SYNC:
644	req->result = req->db->sync (req->db, req->uint1);
645	break;
646
647	case REQ_DB_PUT:
648	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
649	break;
650
651	case REQ_DB_GET:
652	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
653	break;
654
655	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;
658
659	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);
661	break;
662
663	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);
665	break;
666
667	default:
668	req->result = ENOSYS;
669	break;
670	}	947	}
671		948
		949	bdb_request (req);
		950
672	LOCK (reslock);	951	X_LOCK (reslock);
673		952
674	++npending;	953	++npending;
675		954
676	if (!reqq_push (&res_queue, req))	955	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	956	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	957	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		958
680	self->req = 0;	959	self->req = 0;
681	worker_clear (self);	960	worker_clear (self);
682		961
683	UNLOCK (reslock);	962	X_UNLOCK (reslock);
684	}	963	}
685		964
686	quit:	965	quit:
687	LOCK (wrklock);	966	X_LOCK (wrklock);
688	worker_free (self);	967	worker_free (self);
689	UNLOCK (wrklock);	968	X_UNLOCK (wrklock);
690		969
691	return 0;	970	return 0;
692	}	971	}
693		972
694	/*****************************************************************************/	973	/*****************************************************************************/
695		974
696	static void atfork_prepare (void)	975	static void atfork_prepare (void)
697	{	976	{
698	LOCK (wrklock);	977	X_LOCK (wrklock);
699	LOCK (reqlock);	978	X_LOCK (reqlock);
700	LOCK (reslock);	979	X_LOCK (reslock);
701	}	980	}
702		981
703	static void atfork_parent (void)	982	static void atfork_parent (void)
704	{	983	{
705	UNLOCK (reslock);	984	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	985	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	986	X_UNLOCK (wrklock);
708	}	987	}
709		988
710	static void atfork_child (void)	989	static void atfork_child (void)
711	{	990	{
712	aio_req prv;	991	bdb_req prv;
713		992
714	while (prv = reqq_shift (&req_queue))	993	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	994	req_free (prv);
716		995
717	while (prv = reqq_shift (&res_queue))	996	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	1011	idle = 0;
733	nreqs = 0;	1012	nreqs = 0;
734	nready = 0;	1013	nready = 0;
735	npending = 0;	1014	npending = 0;
736		1015
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	1016	create_respipe ();
740		1017
741	atfork_parent ();	1018	atfork_parent ();
742	}	1019	}
743		1020
744	#define dREQ(reqtype) \	1021	#define dREQ(reqtype,rsvcnt) \
745	aio_req req; \	1022	bdb_req req; \
746	int req_pri = next_pri; \	1023	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	1024	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	1025	\
749	if (SvOK (callback) && !SvROK (callback)) \	1026	if (callback && SvOK (callback)) \
750	croak ("callback must be undef or of reference type"); \	1027	croak ("callback has illegal type or extra arguments"); \
751	\	1028	\
752	Newz (0, req, 1, aio_cb); \	1029	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	1030	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	1031	croak ("out of memory during bdb_req allocation"); \
755	\	1032	\
756	req->callback = newSVsv (callback); \	1033	req->callback = SvREFCNT_inc (cb); \
757	req->type = (reqtype); \	1034	req->type = (reqtype); \
758	req->pri = req_pri	1035	req->pri = req_pri; \
		1036	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1037	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1038	(void)0;
759		1039
760	#define REQ_SEND \	1040	#define REQ_SEND \
761	req_send (req)	1041	req_send (req)
762		1042
763	#define SvPTR(var, arg, type, class, nullok) \	1043	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	1044	if (!SvOK (arg)) \
765	{ \	1045	{ \
766	if (!nullok) \	1046	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	1047	croak (# var " must be a " # class " object, not undef"); \
768	\	1048	\
769	(var) = 0; \	1049	(var) = 0; \
770	} \	1050	} \
771	else if (sv_derived_from ((arg), # class)) \	1051	else if (sv_derived_from ((arg), # class)) \
772	{ \	1052	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	1053	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	1054	(var) = INT2PTR (type, tmp); \
775	if (!var) \	1055	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	1056	croak (# var " is not a valid " # class " object anymore"); \
777	} \	1057	} \
778	else \	1058	else \
779	Perl_croak (# var " is not of type " # class); \	1059	croak (# var " is not of type " # class);
780	\
781		1060
782	static void	1061	static void
783	ptr_nuke (SV *sv)	1062	ptr_nuke (SV *sv)
784	{	1063	{
785	assert (SvROK (sv));	1064	assert (SvROK (sv));
786	sv_setiv (SvRV (sv), 0);	1065	sv_setiv (SvRV (sv), 0);
787	}	1066	}
		1067
		1068	static int
		1069	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1070	{
		1071	if (*mg->mg_ptr == '!') // should always be the case
		1072	if (-30999 <= errno && errno <= -30800)
		1073	{
		1074	sv_setnv (sv, (NV)errno);
		1075	sv_setpv (sv, db_strerror (errno));
		1076	SvNOK_on (sv); /* what a wonderful hack! */
		1077	// ^^^ copied from perl sources
		1078	return 0;
		1079	}
		1080
		1081	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1082	}
		1083
		1084	static MGVTBL vtbl_errno;
		1085
		1086	// this wonderful hack :( patches perl's $! variable to support our errno values
		1087	static void
		1088	patch_errno (void)
		1089	{
		1090	SV *sv;
		1091	MAGIC *mg;
		1092
		1093	if (!(sv = get_sv ("!", 1)))
		1094	return;
		1095
		1096	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1097	return;
		1098
		1099	if (mg->mg_virtual != &PL_vtbl_sv)
		1100	return;
		1101
		1102	vtbl_errno = PL_vtbl_sv;
		1103	vtbl_errno.svt_get = errno_get;
		1104	mg->mg_virtual = &vtbl_errno;
		1105	}
		1106
		1107	#if __GNUC__ >= 4
		1108	# define noinline __attribute__ ((noinline))
		1109	#else
		1110	# define noinline
		1111	#endif
		1112
		1113	static noinline SV *
		1114	pop_callback (I32 *ritems, SV *sv)
		1115	{
		1116	if (SvROK (sv))
		1117	{
		1118	HV *st;
		1119	GV *gvp;
		1120	CV *cv;
		1121	const char *name;
		1122
		1123	/* forgive me */
		1124	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1125	&& (st = SvSTASH (SvRV (sv)))
		1126	&& (name = HvNAME_get (st))
		1127	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1128	return 0;
		1129
		1130	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1131	{
		1132	--*ritems;
		1133	return (SV *)cv;
		1134	}
		1135	}
		1136
		1137	return 0;
		1138	}
		1139
		1140	/* stupid windoes defined CALLBACK as well */
		1141	#undef CALLBACK
		1142	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
788		1143
789	MODULE = BDB PACKAGE = BDB	1144	MODULE = BDB PACKAGE = BDB
790		1145
791	PROTOTYPES: ENABLE	1146	PROTOTYPES: ENABLE
792		1147
…		…
808	const_iv (INIT_TXN)	1163	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1164	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1165	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1166	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1167	const_iv (CREATE)
		1168	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1169	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1170	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1171	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1172	const_iv (PRIVATE)
817	const_iv (REGISTER)
818	const_iv (SYSTEM_MEM)	1173	const_iv (SYSTEM_MEM)
819	const_iv (AUTO_COMMIT)	1174	const_iv (AUTO_COMMIT)
820	const_iv (CDB_ALLDB)	1175	const_iv (CDB_ALLDB)
821	const_iv (DIRECT_DB)	1176	const_iv (DIRECT_DB)
822	const_iv (DIRECT_LOG)
823	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	1177	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1178	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1179	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1180	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1181	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1182	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1183	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1184	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1185	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1186	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1187	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1188	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1189	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1190	const_iv (XA_CREATE)
…		…
843	const_iv (HASH)	1192	const_iv (HASH)
844	const_iv (QUEUE)	1193	const_iv (QUEUE)
845	const_iv (RECNO)	1194	const_iv (RECNO)
846	const_iv (UNKNOWN)	1195	const_iv (UNKNOWN)
847	const_iv (EXCL)	1196	const_iv (EXCL)
848	const_iv (READ_COMMITTED)
849	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1197	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1198	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1199	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1200	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1201	const_iv (DUP)
856	const_iv (DUPSORT)	1202	const_iv (DUPSORT)
857	const_iv (RECNUM)	1203	const_iv (RECNUM)
858	const_iv (RENUMBER)	1204	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1205	const_iv (REVSPLITOFF)
860	const_iv (INORDER)
861	const_iv (CONSUME)	1206	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1207	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1208	const_iv (GET_BOTH)
		1209	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1210	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1211	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1212	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1213	const_iv (JOIN_ITEM)
		1214	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1215	const_iv (RMW)
869		1216
870	const_iv (NOTFOUND)	1217	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1218	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1219	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1220	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1221	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1222	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1223	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1224	const_iv (SECONDARY_BAD)
878
879	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)
881		1225
882	const_iv (APPEND)	1226	const_iv (APPEND)
883	const_iv (NODUPDATA)	1227	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1228	const_iv (NOOVERWRITE)
885		1229
886	const_iv (TXN_NOWAIT)	1230	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1231	const_iv (TXN_SYNC)
889		1232
890	const_iv (SET_LOCK_TIMEOUT)	1233	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1234	const_iv (SET_TXN_TIMEOUT)
		1235
		1236	const_iv (FIRST)
		1237	const_iv (NEXT)
		1238	const_iv (NEXT_DUP)
		1239	const_iv (NEXT_NODUP)
		1240	const_iv (PREV)
		1241	const_iv (PREV_NODUP)
		1242	const_iv (SET)
		1243	const_iv (SET_RANGE)
		1244	const_iv (LAST)
		1245	const_iv (BEFORE)
		1246	const_iv (AFTER)
		1247	const_iv (CURRENT)
		1248	const_iv (KEYFIRST)
		1249	const_iv (KEYLAST)
		1250	const_iv (NODUPDATA)
		1251
		1252	const_iv (FORCE)
		1253
		1254	const_iv (LOCK_DEFAULT)
		1255	const_iv (LOCK_EXPIRE)
		1256	const_iv (LOCK_MAXLOCKS)
		1257	const_iv (LOCK_MINLOCKS)
		1258	const_iv (LOCK_MINWRITE)
		1259	const_iv (LOCK_OLDEST)
		1260	const_iv (LOCK_RANDOM)
		1261	const_iv (LOCK_YOUNGEST)
		1262
		1263	const_iv (DONOTINDEX)
		1264	const_iv (KEYEMPTY )
		1265	const_iv (KEYEXIST )
		1266	const_iv (LOCK_DEADLOCK)
		1267	const_iv (LOCK_NOTGRANTED)
		1268	const_iv (NOSERVER)
		1269	const_iv (NOSERVER_HOME)
		1270	const_iv (NOSERVER_ID)
		1271	const_iv (NOTFOUND)
		1272	const_iv (PAGE_NOTFOUND)
		1273	const_iv (REP_DUPMASTER)
		1274	const_iv (REP_HANDLE_DEAD)
		1275	const_iv (REP_HOLDELECTION)
		1276	const_iv (REP_ISPERM)
		1277	const_iv (REP_NEWMASTER)
		1278	const_iv (REP_NEWSITE)
		1279	const_iv (REP_NOTPERM)
		1280	const_iv (REP_UNAVAIL)
		1281	const_iv (RUNRECOVERY)
		1282	const_iv (SECONDARY_BAD)
		1283	const_iv (VERIFY_BAD)
		1284
		1285	const_iv (VERB_DEADLOCK)
		1286	const_iv (VERB_RECOVERY)
		1287	const_iv (VERB_REPLICATION)
		1288	const_iv (VERB_WAITSFOR)
		1289
		1290	const_iv (VERSION_MAJOR)
		1291	const_iv (VERSION_MINOR)
		1292	const_iv (VERSION_PATCH)
		1293	#if DB_VERSION_MINOR >= 3
		1294	const_iv (INORDER)
		1295	const_iv (LOCK_MAXWRITE)
		1296	const_iv (SEQ_DEC)
		1297	const_iv (SEQ_INC)
		1298	const_iv (SEQ_WRAP)
		1299	const_iv (BUFFER_SMALL)
		1300	const_iv (LOG_BUFFER_FULL)
		1301	const_iv (VERSION_MISMATCH)
		1302	#endif
		1303	#if DB_VERSION_MINOR >= 4
		1304	const_iv (REGISTER)
		1305	const_iv (DSYNC_DB)
		1306	const_iv (READ_COMMITTED)
		1307	const_iv (READ_UNCOMMITTED)
		1308	const_iv (REP_IGNORE)
		1309	const_iv (REP_LOCKOUT)
		1310	const_iv (REP_JOIN_FAILURE)
		1311	const_iv (FREE_SPACE)
		1312	const_iv (FREELIST_ONLY)
		1313	const_iv (VERB_REGISTER)
		1314	#endif
		1315	#if DB_VERSION_MINOR >= 5
		1316	const_iv (MULTIVERSION)
		1317	const_iv (TXN_SNAPSHOT)
		1318	#endif
		1319	#if DB_VERSION_MINOR >= 6
		1320	const_iv (PREV_DUP)
		1321	const_iv (PRIORITY_UNCHANGED)
		1322	const_iv (PRIORITY_VERY_LOW)
		1323	const_iv (PRIORITY_LOW)
		1324	const_iv (PRIORITY_DEFAULT)
		1325	const_iv (PRIORITY_HIGH)
		1326	const_iv (PRIORITY_VERY_HIGH)
		1327	#endif
		1328	#if DB_VERSION_MINOR >= 7
		1329	const_iv (LOG_DIRECT)
		1330	const_iv (LOG_DSYNC)
		1331	const_iv (LOG_AUTO_REMOVE)
		1332	const_iv (LOG_IN_MEMORY)
		1333	const_iv (LOG_ZERO)
		1334	#else
		1335	const_iv (DIRECT_LOG)
		1336	const_iv (LOG_AUTOREMOVE)
		1337	# if DB_VERSION_MINOR >= 3
		1338	const_iv (DSYNC_LOG)
		1339	const_iv (LOG_INMEMORY)
		1340	# endif
		1341	#endif
892	};	1342	};
893		1343
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1344	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1345	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1346
897	create_pipe ();	1347	prepare_cb = &PL_sv_undef;
		1348
		1349	{
		1350	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1351	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1352
		1353	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1354	}
		1355
		1356	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1357
		1358	create_respipe ();
		1359
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1360	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1361	patch_errno ();
899	}	1362	}
900		1363
901	void	1364	void
902	max_poll_reqs (int nreqs)	1365	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1366	PROTOTYPE: $
…		…
1022		1485
1023	int	1486	int
1024	nthreads ()	1487	nthreads ()
1025	PROTOTYPE:	1488	PROTOTYPE:
1026	CODE:	1489	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1490	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1491	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1492	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1493	OUTPUT:
1031	RETVAL	1494	RETVAL
1032		1495
1033	void	1496	SV *
1034	set_sync_prepare (SV *cb)	1497	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1498	PROTOTYPE: &
1036	CODE:	1499	CODE:
1037	SvREFCNT_dec (prepare_cb);	1500	RETVAL = prepare_cb;
1038	prepare_cb = newSVsv (cb);	1501	prepare_cb = newSVsv (cb);
		1502	OUTPUT:
		1503	RETVAL
		1504
		1505	char *
		1506	strerror (int errorno = errno)
		1507	PROTOTYPE: ;$
		1508	CODE:
		1509	RETVAL = db_strerror (errorno);
		1510	OUTPUT:
		1511	RETVAL
		1512
		1513	void _on_next_submit (SV *cb)
		1514	CODE:
		1515	SvREFCNT_dec (on_next_submit);
		1516	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1039		1517
1040	DB_ENV *	1518	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1519	db_env_create (U32 env_flags = 0)
1042	CODE:	1520	CODE:
1043	{	1521	{
1044	errno = db_env_create (&RETVAL, env_flags);	1522	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1523	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1524	croak ("db_env_create: %s", db_strerror (errno));
		1525
		1526	if (0)
		1527	{
		1528	RETVAL->set_errcall (RETVAL, debug_errcall);
		1529	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1530	}
1047	}	1531	}
1048	OUTPUT:	1532	OUTPUT:
1049	RETVAL	1533	RETVAL
1050		1534
1051	void	1535	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1536	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1053	CODE:	1539	CODE:
1054	{	1540	{
1055	dREQ (REQ_ENV_OPEN);	1541	dREQ (REQ_ENV_OPEN, 1);
1056	req->env = env;	1542	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1543	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1544	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1545	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1546	REQ_SEND;
1061	}	1547	}
1062		1548
1063	void	1549	void
1064	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1550	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1551	PREINIT:
		1552	CALLBACK
1065	CODE:	1553	CODE:
1066	{	1554	{
1067	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 1);
1068	req->env = env;	1556	req->env = env;
1069	req->uint1 = flags;	1557	req->uint1 = flags;
1070	REQ_SEND;	1558	REQ_SEND;
1071	ptr_nuke (ST (0));	1559	ptr_nuke (ST (0));
1072	}	1560	}
1073		1561
		1562	void
		1563	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
		1566	CODE:
		1567	{
		1568	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1569	req->env = env;
		1570	req->uint1 = kbyte;
		1571	req->int1 = min;
		1572	req->uint2 = flags;
		1573	REQ_SEND;
		1574	}
		1575
		1576	void
		1577	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1578	PREINIT:
		1579	CALLBACK
		1580	CODE:
		1581	{
		1582	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1583	req->env = env;
		1584	req->uint1 = flags;
		1585	req->uint2 = atype;
		1586	/* req->int2 = 0; dummy */
		1587	REQ_SEND;
		1588	}
		1589
		1590	void
		1591	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
		1594	CODE:
		1595	{
		1596	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1597	req->env = env;
		1598	REQ_SEND;
		1599	}
		1600
		1601	void
		1602	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1603	PREINIT:
		1604	CALLBACK
		1605	CODE:
		1606	{
		1607	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1608	req->env = env;
		1609	req->int1 = percent;
		1610	REQ_SEND;
		1611	}
		1612
		1613	void
		1614	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
		1617	CODE:
		1618	{
		1619	dREQ (REQ_ENV_DBREMOVE, 2);
		1620	req->env = env;
		1621	req->buf1 = strdup_ornull (file);
		1622	req->buf2 = strdup_ornull (database);
		1623	req->uint1 = flags;
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1629	PREINIT:
		1630	CALLBACK
		1631	CODE:
		1632	{
		1633	dREQ (REQ_ENV_DBRENAME, 2);
		1634	req->env = env;
		1635	req->buf1 = strdup_ornull (file);
		1636	req->buf2 = strdup_ornull (database);
		1637	req->buf3 = strdup_ornull (newname);
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	}
		1641
1074	DB *	1642	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1643	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1644	CODE:
1077	{	1645	{
1078	errno = db_create (&RETVAL, env, flags);	1646	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1647	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1648	croak ("db_create: %s", db_strerror (errno));
1081		1649
1082	if (RETVAL)	1650	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1651	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1652	}
1085	OUTPUT:	1653	OUTPUT:
1086	RETVAL	1654	RETVAL
1087		1655
1088	void	1656	void
1089	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1657	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1090	CODE:	1660	CODE:
1091	{	1661	{
1092	dREQ (REQ_DB_OPEN);	1662	dREQ (REQ_DB_OPEN, 2);
1093	req->db = db;	1663	req->db = db;
1094	req->txn = txnid;	1664	req->txn = txnid;
1095	req->buf1 = strdup_ornull (file);	1665	req->buf1 = strdup_ornull (file);
1096	req->buf2 = strdup_ornull (database);	1666	req->buf2 = strdup_ornull (database);
1097	req->int1 = type;	1667	req->int1 = type;
…		…
1099	req->int2 = mode;	1669	req->int2 = mode;
1100	REQ_SEND;	1670	REQ_SEND;
1101	}	1671	}
1102		1672
1103	void	1673	void
1104	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1674	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1675	PREINIT:
		1676	CALLBACK
1105	CODE:	1677	CODE:
1106	{	1678	{
1107	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 1);
1108	req->db = db;	1680	req->db = db;
1109	req->uint1 = flags;	1681	req->uint1 = flags;
1110	req->sv1 = (SV *)db->app_private;	1682	req->sv1 = (SV *)db->app_private;
1111	REQ_SEND;	1683	REQ_SEND;
1112	ptr_nuke (ST (0));	1684	ptr_nuke (ST (0));
1113	}	1685	}
1114		1686
		1687	#if DB_VERSION_MINOR >= 4
		1688
1115	void	1689	void
1116	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)	1690	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 = 0)
		1691	PREINIT:
		1692	CALLBACK
1117	CODE:	1693	CODE:
1118	{	1694	{
1119	dREQ (REQ_DB_COMPACT);	1695	dREQ (REQ_DB_COMPACT, 2);
1120	req->db = db;	1696	req->db = db;
1121	req->txn = txn;	1697	req->txn = txn;
1122	sv_to_dbt (&req->dbt1, start);	1698	sv_to_dbt (&req->dbt1, start);
1123	sv_to_dbt (&req->dbt2, stop);	1699	sv_to_dbt (&req->dbt2, stop);
1124	req->uint1 = flags;	1700	req->uint1 = flags;
1125	REQ_SEND;	1701	REQ_SEND;
1126	}	1702	}
1127		1703
		1704	#endif
		1705
1128	void	1706	void
1129	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1130	CODE:	1710	CODE:
1131	{	1711	{
1132	dREQ (REQ_DB_SYNC);	1712	dREQ (REQ_DB_SYNC, 1);
1133	req->db = db;	1713	req->db = db;
1134	req->uint1 = flags;	1714	req->uint1 = flags;
1135	REQ_SEND;	1715	REQ_SEND;
1136	}	1716	}
1137		1717
1138	void	1718	void
		1719	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_SYNC, 1);
		1725	req->db = db;
		1726	req->buf1 = strdup (file);
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
		1732	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
		1735	CODE:
		1736	{
		1737	dREQ (REQ_DB_KEY_RANGE, 2);
		1738	req->db = db;
		1739	req->txn = txn;
		1740	sv_to_dbt (&req->dbt1, key);
		1741	req->uint1 = flags;
		1742	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1743	REQ_SEND;
		1744	}
		1745
		1746	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1747	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1748	PREINIT:
		1749	CALLBACK
1140	CODE:	1750	CODE:
1141	{	1751	{
1142	dREQ (REQ_DB_PUT);	1752	dREQ (REQ_DB_PUT, 2);
1143	req->db = db;	1753	req->db = db;
1144	req->txn = txn;	1754	req->txn = txn;
1145	sv_to_dbt (&req->dbt1, key);	1755	sv_to_dbt (&req->dbt1, key);
1146	sv_to_dbt (&req->dbt2, data);	1756	sv_to_dbt (&req->dbt2, data);
1147	req->uint1 = flags;	1757	req->uint1 = flags;
1148	REQ_SEND;	1758	REQ_SEND;
1149	}	1759	}
1150		1760
		1761	#if DB_VERSION_MINOR >= 6
		1762
1151	void	1763	void
1152	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1764	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1765	PREINIT:
		1766	CALLBACK
1153	CODE:	1767	CODE:
1154	{	1768	{
1155	dREQ (REQ_DB_GET);	1769	dREQ (REQ_DB_EXISTS, 2);
1156	req->db = db;	1770	req->db = db;
1157	req->txn = txn;	1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	REQ_SEND;
		1775	}
		1776
		1777	#endif
		1778
		1779	void
		1780	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
		1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_get");
		1786	{
		1787	dREQ (REQ_DB_GET, 2);
		1788	req->db = db;
		1789	req->txn = txn;
		1790	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1791	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1792	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1793	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1794	REQ_SEND;
1164	}	1795	}
1165		1796
1166	void	1797	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1798	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1799	PREINIT:
		1800	CALLBACK
1168	CODE:	1801	CODE:
		1802	if (SvREADONLY (data))
		1803	croak ("can't modify read-only data scalar in db_pget");
1169	{	1804	{
1170	dREQ (REQ_DB_PGET);	1805	dREQ (REQ_DB_PGET, 2);
1171	req->db = db;	1806	req->db = db;
1172	req->txn = txn;	1807	req->txn = txn;
		1808	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1809	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1810	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1811	req->dbt3.flags = DB_DBT_MALLOC;
1176	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1812	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1813	REQ_SEND;
1180	}	1814	}
1181		1815
1182	void	1816	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1817	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1818	PREINIT:
		1819	CALLBACK
1184	CODE:	1820	CODE:
1185	{	1821	{
1186	dREQ (REQ_TXN_COMMIT);	1822	dREQ (REQ_DB_DEL, 2);
		1823	req->db = db;
1187	req->txn = txn;	1824	req->txn = txn;
1188	req->uint1 = flags;	1825	req->uint1 = flags;
		1826	sv_to_dbt (&req->dbt1, key);
		1827	REQ_SEND;
		1828	}
		1829
		1830	void
		1831	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1832	PREINIT:
		1833	CALLBACK
		1834	CODE:
		1835	{
		1836	dREQ (REQ_TXN_COMMIT, 1);
		1837	req->txn = txn;
		1838	req->uint1 = flags;
1189	REQ_SEND;	1839	REQ_SEND;
1190	ptr_nuke (ST (0));	1840	ptr_nuke (ST (0));
1191	}	1841	}
1192		1842
1193	void	1843	void
1194	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1844	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1845	PREINIT:
		1846	CALLBACK
1195	CODE:	1847	CODE:
1196	{	1848	{
1197	dREQ (REQ_TXN_ABORT);	1849	dREQ (REQ_TXN_ABORT, 1);
1198	req->txn = txn;	1850	req->txn = txn;
1199	REQ_SEND;	1851	REQ_SEND;
1200	ptr_nuke (ST (0));	1852	ptr_nuke (ST (0));
1201	}	1853	}
1202		1854
		1855	void
		1856	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1857	PREINIT:
		1858	CALLBACK
		1859	CODE:
		1860	{
		1861	dREQ (REQ_TXN_FINISH, 1);
		1862	req->txn = txn;
		1863	req->uint1 = flags;
		1864	REQ_SEND;
		1865	ptr_nuke (ST (0));
		1866	}
		1867
		1868	void
		1869	db_c_close (DBC *dbc, SV *callback = 0)
		1870	PREINIT:
		1871	CALLBACK
		1872	CODE:
		1873	{
		1874	dREQ (REQ_C_CLOSE, 1);
		1875	req->dbc = dbc;
		1876	REQ_SEND;
		1877	ptr_nuke (ST (0));
		1878	}
		1879
		1880	void
		1881	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1882	PREINIT:
		1883	CALLBACK
		1884	CODE:
		1885	{
		1886	dREQ (REQ_C_COUNT, 1);
		1887	req->dbc = dbc;
		1888	req->sv1 = SvREFCNT_inc (count);
		1889	REQ_SEND;
		1890	}
		1891
		1892	void
		1893	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1894	PREINIT:
		1895	CALLBACK
		1896	CODE:
		1897	{
		1898	dREQ (REQ_C_PUT, 1);
		1899	req->dbc = dbc;
		1900	sv_to_dbt (&req->dbt1, key);
		1901	sv_to_dbt (&req->dbt2, data);
		1902	req->uint1 = flags;
		1903	REQ_SEND;
		1904	}
		1905
		1906	void
		1907	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1908	PREINIT:
		1909	CALLBACK
		1910	CODE:
		1911	{
		1912	dREQ (REQ_C_GET, 1);
		1913	req->dbc = dbc;
		1914	req->uint1 = flags;
		1915	if ((flags & DB_SET) == DB_SET
		1916	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1917	sv_to_dbt (&req->dbt1, key);
		1918	else
		1919	req->dbt1.flags = DB_DBT_MALLOC;
		1920
		1921	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1922
		1923	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1924	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1925	sv_to_dbt (&req->dbt3, data);
		1926	else
		1927	req->dbt3.flags = DB_DBT_MALLOC;
		1928
		1929	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1930	REQ_SEND;
		1931	}
		1932
		1933	void
		1934	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1935	PREINIT:
		1936	CALLBACK
		1937	CODE:
		1938	{
		1939	dREQ (REQ_C_PGET, 1);
		1940	req->dbc = dbc;
		1941	req->uint1 = flags;
		1942	if ((flags & DB_SET) == DB_SET
		1943	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1944	sv_to_dbt (&req->dbt1, key);
		1945	else
		1946	req->dbt1.flags = DB_DBT_MALLOC;
		1947
		1948	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1949
		1950	req->dbt2.flags = DB_DBT_MALLOC;
		1951	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1952
		1953	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1954	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1955	sv_to_dbt (&req->dbt3, data);
		1956	else
		1957	req->dbt3.flags = DB_DBT_MALLOC;
		1958
		1959	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1960	REQ_SEND;
		1961	}
		1962
		1963	void
		1964	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1965	PREINIT:
		1966	CALLBACK
		1967	CODE:
		1968	{
		1969	dREQ (REQ_C_DEL, 1);
		1970	req->dbc = dbc;
		1971	req->uint1 = flags;
		1972	REQ_SEND;
		1973	}
		1974
		1975
		1976	#if DB_VERSION_MINOR >= 3
		1977
		1978	void
		1979	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1980	PREINIT:
		1981	CALLBACK
		1982	CODE:
		1983	{
		1984	dREQ (REQ_SEQ_OPEN, 2);
		1985	req->seq = seq;
		1986	req->txn = txnid;
		1987	req->uint1 = flags | DB_THREAD;
		1988	sv_to_dbt (&req->dbt1, key);
		1989	REQ_SEND;
		1990	}
		1991
		1992	void
		1993	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
		1996	CODE:
		1997	{
		1998	dREQ (REQ_SEQ_CLOSE, 1);
		1999	req->seq = seq;
		2000	req->uint1 = flags;
		2001	REQ_SEND;
		2002	ptr_nuke (ST (0));
		2003	}
		2004
		2005	void
		2006	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2007	PREINIT:
		2008	CALLBACK
		2009	CODE:
		2010	{
		2011	dREQ (REQ_SEQ_GET, 2);
		2012	req->seq = seq;
		2013	req->txn = txnid;
		2014	req->int1 = delta;
		2015	req->uint1 = flags;
		2016	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2017	REQ_SEND;
		2018	}
		2019
		2020	void
		2021	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2022	PREINIT:
		2023	CALLBACK
		2024	CODE:
		2025	{
		2026	dREQ (REQ_SEQ_REMOVE, 2);
		2027	req->seq = seq;
		2028	req->txn = txnid;
		2029	req->uint1 = flags;
		2030	REQ_SEND;
		2031	}
		2032
		2033	#endif
		2034
1203		2035
1204	MODULE = BDB PACKAGE = BDB::Env	2036	MODULE = BDB PACKAGE = BDB::Env
1205		2037
1206	void	2038	void
1207	DESTROY (DB_ENV_ornull *env)	2039	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	2040	CODE:
1209	if (env)	2041	if (env)
1210	env->close (env, 0);	2042	env->close (env, 0);
1211		2043
		2044	int set_data_dir (DB_ENV *env, const char *dir)
		2045	CODE:
		2046	RETVAL = env->set_data_dir (env, dir);
		2047	OUTPUT:
		2048	RETVAL
		2049
		2050	int set_tmp_dir (DB_ENV *env, const char *dir)
		2051	CODE:
		2052	RETVAL = env->set_tmp_dir (env, dir);
		2053	OUTPUT:
		2054	RETVAL
		2055
		2056	int set_lg_dir (DB_ENV *env, const char *dir)
		2057	CODE:
		2058	RETVAL = env->set_lg_dir (env, dir);
		2059	OUTPUT:
		2060	RETVAL
		2061
		2062	int set_shm_key (DB_ENV *env, long shm_key)
		2063	CODE:
		2064	RETVAL = env->set_shm_key (env, shm_key);
		2065	OUTPUT:
		2066	RETVAL
		2067
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2068	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	2069	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2070	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	2071	OUTPUT:
1216	RETVAL	2072	RETVAL
1217		2073
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	2074	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	2075	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	2076	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	2077	OUTPUT:
1222	RETVAL	2078	RETVAL
1223		2079
		2080	#if DB_VERSION_MINOR >= 7
		2081
		2082	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2083	CODE:
		2084	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2085	OUTPUT:
		2086	RETVAL
		2087
		2088	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2089	CODE:
		2090	RETVAL = env->log_set_config (env, flags, onoff);
		2091	OUTPUT:
		2092	RETVAL
		2093
		2094	#endif
		2095
		2096
		2097	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2098	CODE:
		2099	env->set_errfile (env, errfile);
		2100
		2101	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2102	CODE:
		2103	env->set_msgfile (env, msgfile);
		2104
		2105	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2106	CODE:
		2107	RETVAL = env->set_verbose (env, which, onoff);
		2108	OUTPUT:
		2109	RETVAL
		2110
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2111	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	2112	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	2113	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	2114	OUTPUT:
1228	RETVAL	2115	RETVAL
1229		2116
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2117	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	2118	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2119	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	2120	OUTPUT:
1234	RETVAL	2121	RETVAL
		2122
		2123	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2124	CODE:
		2125	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2126	OUTPUT:
		2127	RETVAL
		2128
		2129	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2130	CODE:
		2131	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2132	OUTPUT:
		2133	RETVAL
		2134
		2135	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2136	CODE:
		2137	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2138	OUTPUT:
		2139	RETVAL
		2140
		2141	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2142	CODE:
		2143	RETVAL = env->set_lk_detect (env, detect);
		2144	OUTPUT:
		2145	RETVAL
		2146
		2147	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2148	CODE:
		2149	RETVAL = env->set_lk_max_lockers (env, max);
		2150	OUTPUT:
		2151	RETVAL
		2152
		2153	int set_lk_max_locks (DB_ENV *env, U32 max)
		2154	CODE:
		2155	RETVAL = env->set_lk_max_locks (env, max);
		2156	OUTPUT:
		2157	RETVAL
		2158
		2159	int set_lk_max_objects (DB_ENV *env, U32 max)
		2160	CODE:
		2161	RETVAL = env->set_lk_max_objects (env, max);
		2162	OUTPUT:
		2163	RETVAL
		2164
		2165	int set_lg_bsize (DB_ENV *env, U32 max)
		2166	CODE:
		2167	RETVAL = env->set_lg_bsize (env, max);
		2168	OUTPUT:
		2169	RETVAL
		2170
		2171	int set_lg_max (DB_ENV *env, U32 max)
		2172	CODE:
		2173	RETVAL = env->set_lg_max (env, max);
		2174	OUTPUT:
		2175	RETVAL
		2176
		2177	#if DB_VERSION_MINOR >= 4
		2178
		2179	int mutex_set_max (DB_ENV *env, U32 max)
		2180	CODE:
		2181	RETVAL = env->mutex_set_max (env, max);
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	int mutex_set_increment (DB_ENV *env, U32 increment)
		2186	CODE:
		2187	RETVAL = env->mutex_set_increment (env, increment);
		2188	OUTPUT:
		2189	RETVAL
		2190
		2191	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2192	CODE:
		2193	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	int mutex_set_align (DB_ENV *env, U32 align)
		2198	CODE:
		2199	RETVAL = env->mutex_set_align (env, align);
		2200	OUTPUT:
		2201	RETVAL
		2202
		2203	#endif
1235		2204
1236	DB_TXN *	2205	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2206	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	2207	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	2208	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	2209	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	2210	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	2211	OUTPUT:
1243	RETVAL	2212	RETVAL
1244		2213
		2214	#if DB_VERSION_MINOR >= 5
		2215
		2216	DB_TXN *
		2217	cdsgroup_begin (DB_ENV *env)
		2218	CODE:
		2219	errno = env->cdsgroup_begin (env, &RETVAL);
		2220	if (errno)
		2221	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2222	OUTPUT:
		2223	RETVAL
		2224
		2225	#endif
		2226
1245	MODULE = BDB PACKAGE = BDB::Db	2227	MODULE = BDB PACKAGE = BDB::Db
1246		2228
1247	void	2229	void
1248	DESTROY (DB_ornull *db)	2230	DESTROY (DB_ornuked *db)
1249	CODE:	2231	CODE:
1250	if (db)	2232	if (db)
1251	{	2233	{
1252	SV *env = (SV *)db->app_private;	2234	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	2235	db->close (db, 0);
…		…
1258	CODE:	2240	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2241	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	2242	OUTPUT:
1261	RETVAL	2243	RETVAL
1262		2244
1263	int set_flags (DB *db, U32 flags);	2245	int set_flags (DB *db, U32 flags)
1264	CODE:	2246	CODE:
1265	RETVAL = db->set_flags (db, flags);	2247	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	2248	OUTPUT:
1267	RETVAL	2249	RETVAL
1268		2250
…		…
1276	CODE:	2258	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	2259	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	2260	OUTPUT:
1279	RETVAL	2261	RETVAL
1280		2262
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	2263	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	2264	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	2265	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	2266	OUTPUT:
1286	RETVAL	2267	RETVAL
1287		2268
1288	int set_re_delim(DB *db, int delim);	2269	int set_re_delim (DB *db, int delim)
1289	CODE:	2270	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	2271	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	2272	OUTPUT:
1292	RETVAL	2273	RETVAL
1293		2274
…		…
1325	CODE:	2306	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	2307	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	2308	OUTPUT:
1328	RETVAL	2309	RETVAL
1329		2310
		2311	DBC *
		2312	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2313	CODE:
		2314	errno = db->cursor (db, txn, &RETVAL, flags);
		2315	if (errno)
		2316	croak ("DB->cursor: %s", db_strerror (errno));
		2317	OUTPUT:
		2318	RETVAL
		2319
		2320	#if DB_VERSION_MINOR >= 3
		2321
		2322	DB_SEQUENCE *
		2323	sequence (DB *db, U32 flags = 0)
		2324	CODE:
		2325	{
		2326	errno = db_sequence_create (&RETVAL, db, flags);
		2327	if (errno)
		2328	croak ("db_sequence_create: %s", db_strerror (errno));
		2329	}
		2330	OUTPUT:
		2331	RETVAL
		2332
		2333	#endif
		2334
		2335
1330	MODULE = BDB PACKAGE = BDB::Txn	2336	MODULE = BDB PACKAGE = BDB::Txn
1331		2337
1332	void	2338	void
1333	DESTROY (DB_TXN_ornull *txn)	2339	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2340	CODE:
1335	if (txn)	2341	if (txn)
1336	txn->abort (txn);	2342	txn->abort (txn);
1337		2343
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2344	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	2345	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2346	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2347	OUTPUT:
1342	RETVAL	2348	RETVAL
1343		2349
		2350	int failed (DB_TXN *txn)
		2351	CODE:
		2352	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2353	OUTPUT:
		2354	RETVAL
1344		2355
		2356
		2357	MODULE = BDB PACKAGE = BDB::Cursor
		2358
		2359	void
		2360	DESTROY (DBC_ornuked *dbc)
		2361	CODE:
		2362	if (dbc)
		2363	dbc->c_close (dbc);
		2364
		2365	#if DB_VERSION_MINOR >= 6
		2366
		2367	int set_priority (DBC *dbc, int priority)
		2368	CODE:
		2369	dbc->set_priority (dbc, priority);
		2370
		2371	#endif
		2372
		2373	#if DB_VERSION_MINOR >= 3
		2374
		2375	MODULE = BDB PACKAGE = BDB::Sequence
		2376
		2377	void
		2378	DESTROY (DB_SEQUENCE_ornuked *seq)
		2379	CODE:
		2380	if (seq)
		2381	seq->close (seq, 0);
		2382
		2383	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2384	CODE:
		2385	RETVAL = seq->initial_value (seq, value);
		2386	OUTPUT:
		2387	RETVAL
		2388
		2389	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2390	CODE:
		2391	RETVAL = seq->set_cachesize (seq, size);
		2392	OUTPUT:
		2393	RETVAL
		2394
		2395	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2396	CODE:
		2397	RETVAL = seq->set_flags (seq, flags);
		2398	OUTPUT:
		2399	RETVAL
		2400
		2401	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2402	CODE:
		2403	RETVAL = seq->set_range (seq, min, max);
		2404	OUTPUT:
		2405	RETVAL
		2406
		2407	#endif
		2408
		2409

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