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Comparing BDB/BDB.xs (file contents):
Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC vs.
Revision 1.49 by root, Thu Sep 25 12:28:49 2008 UTC

		1	#include <sys/user.h>
		2	#include <sys/ptrace.h>
		3
		4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		5
1	#include "xthread.h"	6	#include "xthread.h"
2		7
3	#include <errno.h>	8	#include <errno.h>
4		9
5	#include "EXTERN.h"	10	#include "EXTERN.h"
6	#include "perl.h"	11	#include "perl.h"
7	#include "XSUB.h"	12	#include "XSUB.h"
8		13
		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
		22
9	#include <stddef.h>	23	#include <stddef.h>
10	#include <stdlib.h>	24	#include <stdlib.h>
11	#include <errno.h>	25	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	26	#include <sys/types.h>
14	#include <limits.h>	27	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	28	#include <fcntl.h>
17		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
18	#include <db.h>	35	#include <db.h>
19		36
20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
21	# error you need Berkeley DB 4.5 or newer installed	38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
22	#endif	39	#endif
23		40
24	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
26		43
27	typedef DB_ENV DB_ENV_ornull;	44	typedef DB_ENV DB_ENV_ornull;
28	typedef DB_TXN DB_TXN_ornull;	45	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	46	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	47	typedef DB DB_ornull;
		48
		49	typedef DB_ENV DB_ENV_ornuked;
		50	typedef DB_TXN DB_TXN_ornuked;
		51	typedef DBC DBC_ornuked;
		52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		57	#endif
32		58
33	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
34	typedef char *octetstring;	60	typedef char *bdb_filename;
35		61
36	static SV *prepare_cb;	62	static SV *prepare_cb;
37		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
38	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 *
39	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
40	{	118	{
41	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
42	}	120	}
43		121
44	static inline void	122	static void
45	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
46	{	124	{
47	STRLEN len;	125	STRLEN len;
48	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
49		127
…		…
51	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
52	dbt->size = len;	130	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	131	dbt->flags = DB_DBT_REALLOC;
54	}	132	}
55		133
56	static inline void	134	static void
57	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
58	{	136	{
59	if (sv)	137	if (sv)
60	{	138	{
61	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
62	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
63	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
64	}	142	}
65		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
66	free (dbt->data);	145	free (dbt->data);
67	}	146	}
68		147
69	enum {	148	enum {
70	REQ_QUIT,	149	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
73	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
74	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
76	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
77	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	157	};
79		158
80	typedef struct aio_cb	159	typedef struct bdb_cb
81	{	160	{
82	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
83	SV *callback;	162	SV *callback;
84	int type, pri, result;	163	int type, pri, result;
85		164
86	DB_ENV *env;	165	DB_ENV *env;
87	DB *db;	166	DB *db;
…		…
89	DBC *dbc;	168	DBC *dbc;
90		169
91	UV uv1;	170	UV uv1;
92	int int1, int2;	171	int int1, int2;
93	U32 uint1, uint2;	172	U32 uint1, uint2;
94	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
95	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
96		175
97	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
99	DB_SEQUENCE *seq;	179	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	180	db_seq_t seq_t;
101	} aio_cb;	181	#endif
		182	} bdb_cb;
102		183
103	typedef aio_cb *aio_req;	184	typedef bdb_cb *bdb_req;
104		185
105	enum {	186	enum {
106	PRI_MIN = -4,	187	PRI_MIN = -4,
107	PRI_MAX = 4,	188	PRI_MAX = 4,
108		189
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	192	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	193	};
113		194
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	195	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		196
		197	static SV *on_next_submit;
		198
116	static unsigned int max_poll_time = 0;	199	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	200	static unsigned int max_poll_reqs = 0;
118		201
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	202	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	203	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
135	struct worker *prev, *next;	218	struct worker *prev, *next;
136		219
137	thread_t tid;	220	thread_t tid;
138		221
139	/* locked by reslock, reqlock or wrklock */	222	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	223	bdb_req req; /* currently processed request */
141	void *dbuf;	224	void *dbuf;
142	DIR *dirp;	225	DIR *dirp;
143	} worker;	226	} worker;
144		227
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	228	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	240	}
158		241
159	static volatile unsigned int nreqs, nready, npending;	242	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	243	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	244	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	245	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		246
164	static mutex_t reslock = X_MUTEX_INIT;	247	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = X_MUTEX_INIT;	248	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = X_COND_INIT;	249	static cond_t reqwait = X_COND_INIT;
167		250
168	#if WORDACCESS_UNSAFE	251	#if WORDACCESS_UNSAFE
169		252
170	static unsigned int get_nready ()	253	static unsigned int get_nready (void)
171	{	254	{
172	unsigned int retval;	255	unsigned int retval;
173		256
174	X_LOCK (reqlock);	257	X_LOCK (reqlock);
175	retval = nready;	258	retval = nready;
176	X_UNLOCK (reqlock);	259	X_UNLOCK (reqlock);
177		260
178	return retval;	261	return retval;
179	}	262	}
180		263
181	static unsigned int get_npending ()	264	static unsigned int get_npending (void)
182	{	265	{
183	unsigned int retval;	266	unsigned int retval;
184		267
185	X_LOCK (reslock);	268	X_LOCK (reslock);
186	retval = npending;	269	retval = npending;
187	X_UNLOCK (reslock);	270	X_UNLOCK (reslock);
188		271
189	return retval;	272	return retval;
190	}	273	}
191		274
192	static unsigned int get_nthreads ()	275	static unsigned int get_nthreads (void)
193	{	276	{
194	unsigned int retval;	277	unsigned int retval;
195		278
196	X_LOCK (wrklock);	279	X_LOCK (wrklock);
197	retval = started;	280	retval = started;
…		…
212	* a somewhat faster data structure might be nice, but	295	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	296	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	297	* per shift, the most expensive operation.
215	*/	298	*/
216	typedef struct {	299	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	300	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	301	int size;
219	} reqq;	302	} reqq;
220		303
221	static reqq req_queue;	304	static reqq req_queue;
222	static reqq res_queue;	305	static reqq res_queue;
223		306
224	int reqq_push (reqq *q, aio_req req)	307	int reqq_push (reqq *q, bdb_req req)
225	{	308	{
226	int pri = req->pri;	309	int pri = req->pri;
227	req->next = 0;	310	req->next = 0;
228		311
229	if (q->qe[pri])	312	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	318	q->qe[pri] = q->qs[pri] = req;
236		319
237	return q->size++;	320	return q->size++;
238	}	321	}
239		322
240	aio_req reqq_shift (reqq *q)	323	bdb_req reqq_shift (reqq *q)
241	{	324	{
242	int pri;	325	int pri;
243		326
244	if (!q->size)	327	if (!q->size)
245	return 0;	328	return 0;
246		329
247	--q->size;	330	--q->size;
248		331
249	for (pri = NUM_PRI; pri--; )	332	for (pri = NUM_PRI; pri--; )
250	{	333	{
251	aio_req req = q->qs[pri];	334	bdb_req req = q->qs[pri];
252		335
253	if (req)	336	if (req)
254	{	337	{
255	if (!(q->qs[pri] = req->next))	338	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	339	q->qe[pri] = 0;
…		…
260	}	343	}
261		344
262	abort ();	345	abort ();
263	}	346	}
264		347
265	static int poll_cb ();	348	static int poll_cb (void);
266	static void req_free (aio_req req);	349	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);	350	static void req_cancel (bdb_req req);
268		351
269	static int req_invoke (aio_req req)	352	static int req_invoke (bdb_req req)
270	{	353	{
271	dSP;	354	dSP;
272		355
273	if (SvOK (req->callback))	356	if (req->callback)
274	{	357	{
275	ENTER;	358	ENTER;
276	SAVETMPS;	359	SAVETMPS;
277	PUSHMARK (SP);	360	PUSHMARK (SP);
278		361
…		…
292	dbt_to_sv (req->sv1, &req->dbt1);	375	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);	376	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);	377	dbt_to_sv (req->sv3, &req->dbt3);
295	break;	378	break;
296		379
		380	case REQ_DB_PUT:
		381	case REQ_C_PUT:
		382	dbt_to_sv (0, &req->dbt1);
		383	dbt_to_sv (0, &req->dbt2);
		384	break;
		385
297	case REQ_DB_KEY_RANGE:	386	case REQ_DB_KEY_RANGE:
298	{	387	{
299	AV *av = newAV ();	388	AV *av = newAV ();
300		389
301	av_push (av, newSVnv (req->key_range.less));	390	av_push (av, newSVnv (req->key_range.less));
…		…
306	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	395	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
307	SvREFCNT_dec (req->sv1);	396	SvREFCNT_dec (req->sv1);
308	}	397	}
309	break;	398	break;
310		399
		400	#if DB_VERSION_MINOR >= 3
311	case REQ_SEQ_GET:	401	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);	402	SvREADONLY_off (req->sv1);
313		403
314	if (sizeof (IV) > 4)	404	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);	405	sv_setiv_mg (req->sv1, (IV)req->seq_t);
316	else	406	else
317	sv_setnv_mg (req->sv1, req->seq_t);	407	sv_setnv_mg (req->sv1, (NV)req->seq_t);
318		408
319	SvREFCNT_dec (req->sv1);	409	SvREFCNT_dec (req->sv1);
320	break;	410	break;
		411	#endif
321	}	412	}
322		413
323	errno = req->result;	414	errno = req->result;
324		415
325	PUTBACK;	416	PUTBACK;
…		…
331	}	422	}
332		423
333	return !SvTRUE (ERRSV);	424	return !SvTRUE (ERRSV);
334	}	425	}
335		426
336	static void req_free (aio_req req)	427	static void req_free (bdb_req req)
337	{	428	{
		429	SvREFCNT_dec (req->callback);
		430
338	free (req->buf1);	431	free (req->buf1);
339	free (req->buf2);	432	free (req->buf2);
		433	free (req->buf3);
		434
340	Safefree (req);	435	Safefree (req);
341	}	436	}
342		437
343	static void *aio_proc (void *arg);	438	#ifdef USE_SOCKETS_AS_HANDLES
		439	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		440	#else
		441	# define TO_SOCKET(x) (x)
		442	#endif
		443
		444	static void
		445	create_respipe (void)
		446	{
		447	#ifdef _WIN32
		448	int arg; /* argg */
		449	#endif
		450	int old_readfd = respipe [0];
		451
		452	if (respipe [1] >= 0)
		453	respipe_close (TO_SOCKET (respipe [1]));
		454
		455	#ifdef _WIN32
		456	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		457	#else
		458	if (pipe (respipe))
		459	#endif
		460	croak ("unable to initialize result pipe");
		461
		462	if (old_readfd >= 0)
		463	{
		464	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		465	croak ("unable to initialize result pipe(2)");
		466
		467	respipe_close (respipe [0]);
		468	respipe [0] = old_readfd;
		469	}
		470
		471	#ifdef _WIN32
		472	arg = 1;
		473	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		474	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		475	#else
		476	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		477	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		478	#endif
		479	croak ("unable to initialize result pipe(3)");
		480
		481	respipe_osf [0] = TO_SOCKET (respipe [0]);
		482	respipe_osf [1] = TO_SOCKET (respipe [1]);
		483	}
		484
		485	X_THREAD_PROC (bdb_proc);
344		486
345	static void start_thread (void)	487	static void start_thread (void)
346	{	488	{
347	worker *wrk = calloc (1, sizeof (worker));	489	worker *wrk = calloc (1, sizeof (worker));
348		490
349	if (!wrk)	491	if (!wrk)
350	croak ("unable to allocate worker thread data");	492	croak ("unable to allocate worker thread data");
351		493
352	X_LOCK (wrklock);	494	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	495	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	496	{
355	wrk->prev = &wrk_first;	497	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	498	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	499	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	500	wrk_first.next = wrk;
…		…
362	free (wrk);	504	free (wrk);
363		505
364	X_UNLOCK (wrklock);	506	X_UNLOCK (wrklock);
365	}	507	}
366		508
367	static void maybe_start_thread ()	509	static void maybe_start_thread (void)
368	{	510	{
369	if (get_nthreads () >= wanted)	511	if (get_nthreads () >= wanted)
370	return;	512	return;
371		513
372	/* todo: maybe use idle here, but might be less exact */	514	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	516	return;
375		517
376	start_thread ();	518	start_thread ();
377	}	519	}
378		520
379	static void req_send (aio_req req)	521	static void req_send (bdb_req req)
380	{	522	{
381	SV *wait_callback = 0;	523	SV *wait_callback = 0;
382		524
		525	if (on_next_submit)
		526	{
		527	dSP;
		528	SV *cb = sv_2mortal (on_next_submit);
		529
		530	on_next_submit = 0;
		531
		532	PUSHMARK (SP);
		533	PUTBACK;
		534	call_sv (cb, G_DISCARD | G_EVAL);
		535	SPAGAIN;
		536	}
		537
383	// synthesize callback if none given	538	// synthesize callback if none given
384	if (!SvOK (req->callback))	539	if (!req->callback)
385	{	540	{
		541	int count;
		542
386	dSP;	543	dSP;
387	PUSHMARK (SP);	544	PUSHMARK (SP);
388	PUTBACK;	545	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	546	count = call_sv (prepare_cb, G_ARRAY);
390	SPAGAIN;	547	SPAGAIN;
391		548
392	if (count != 2)	549	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");	550	croak ("prepare callback must return exactly two values\n");
394		551
395	wait_callback = SvREFCNT_inc (POPs);	552	wait_callback = POPs;
396	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);	553	req->callback = SvREFCNT_inc (POPs);
398	}	554	}
399		555
400	++nreqs;	556	++nreqs;
401		557
…		…
411	{	567	{
412	dSP;	568	dSP;
413	PUSHMARK (SP);	569	PUSHMARK (SP);
414	PUTBACK;	570	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	571	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	572	}
418	}	573	}
419		574
420	static void end_thread (void)	575	static void end_thread (void)
421	{	576	{
422	aio_req req;	577	bdb_req req;
423		578
424	Newz (0, req, 1, aio_cb);	579	Newz (0, req, 1, bdb_cb);
425		580
426	req->type = REQ_QUIT;	581	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	582	req->pri = PRI_MAX + PRI_BIAS;
428		583
429	X_LOCK (reqlock);	584	X_LOCK (reqlock);
…		…
456		611
457	while (started > wanted)	612	while (started > wanted)
458	end_thread ();	613	end_thread ();
459	}	614	}
460		615
461	static void poll_wait ()	616	static void poll_wait (void)
462	{	617	{
463	fd_set rfd;	618	fd_set rfd;
464		619
465	while (nreqs)	620	while (nreqs)
466	{	621	{
…		…
472	if (size)	627	if (size)
473	return;	628	return;
474		629
475	maybe_start_thread ();	630	maybe_start_thread ();
476		631
477	FD_ZERO(&rfd);	632	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	633	FD_SET (respipe [0], &rfd);
479		634
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	635	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	636	}
482	}	637	}
483		638
484	static int poll_cb ()	639	static int poll_cb (void)
485	{	640	{
486	dSP;	641	dSP;
487	int count = 0;	642	int count = 0;
488	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	644	int do_croak = 0;
490	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
491	aio_req req;	646	bdb_req req;
492		647
493	if (max_poll_time)	648	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
495		650
496	for (;;)	651	for (;;)
…		…
508		663
509	if (!res_queue.size)	664	if (!res_queue.size)
510	{	665	{
511	/* read any signals sent by the worker threads */	666	/* read any signals sent by the worker threads */
512	char buf [4];	667	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	668	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	669	;
515	}	670	}
516	}	671	}
517		672
518	X_UNLOCK (reslock);	673	X_UNLOCK (reslock);
…		…
555	return count;	710	return count;
556	}	711	}
557		712
558	/*****************************************************************************/	713	/*****************************************************************************/
559		714
560	static void *aio_proc (void *thr_arg)	715	X_THREAD_PROC (bdb_proc)
561	{	716	{
562	aio_req req;	717	bdb_req req;
563	struct timespec ts;	718	struct timespec ts;
564	worker *self = (worker *)thr_arg;	719	worker *self = (worker *)thr_arg;
565		720
566	/* try to distribute timeouts somewhat evenly */	721	/* try to distribute timeouts somewhat evenly */
567	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	722	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
568	* (1000000000UL / 1024UL);
569		723
570	for (;;)	724	for (;;)
571	{	725	{
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	726	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573		727
…		…
604	}	758	}
605		759
606	--nready;	760	--nready;
607		761
608	X_UNLOCK (reqlock);	762	X_UNLOCK (reqlock);
609		763
610	switch (req->type)	764	switch (req->type)
611	{	765	{
612	case REQ_QUIT:	766	case REQ_QUIT:
		767	req->result = ENOSYS;
613	goto quit;	768	goto quit;
614		769
615	case REQ_ENV_OPEN:	770	case REQ_ENV_OPEN:
616	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	771	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
617	break;	772	break;
…		…
634		789
635	case REQ_ENV_MEMP_TRICKLE:	790	case REQ_ENV_MEMP_TRICKLE:
636	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	791	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
637	break;	792	break;
638		793
		794	case REQ_ENV_DBREMOVE:
		795	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		796	break;
		797
		798	case REQ_ENV_DBRENAME:
		799	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		800	break;
		801
639	case REQ_DB_OPEN:	802	case REQ_DB_OPEN:
640	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	803	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
641	break;	804	break;
642		805
643	case REQ_DB_CLOSE:	806	case REQ_DB_CLOSE:
644	req->result = req->db->close (req->db, req->uint1);	807	req->result = req->db->close (req->db, req->uint1);
645	break;	808	break;
646		809
		810	#if DB_VERSION_MINOR >= 4
647	case REQ_DB_COMPACT:	811	case REQ_DB_COMPACT:
648	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	812	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
649	break;	813	break;
		814	#endif
650		815
651	case REQ_DB_SYNC:	816	case REQ_DB_SYNC:
652	req->result = req->db->sync (req->db, req->uint1);	817	req->result = req->db->sync (req->db, req->uint1);
653	break;	818	break;
654		819
		820	case REQ_DB_UPGRADE:
		821	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		822	break;
		823
655	case REQ_DB_PUT:	824	case REQ_DB_PUT:
656	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	825	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
657	break;	826	break;
658		827
		828	#if DB_VERSION_MINOR >= 6
		829	case REQ_DB_EXISTS:
		830	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		831	break;
		832	#endif
659	case REQ_DB_GET:	833	case REQ_DB_GET:
660	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	834	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
661	break;	835	break;
662		836
663	case REQ_DB_PGET:	837	case REQ_DB_PGET:
…		…
676	req->result = req->txn->commit (req->txn, req->uint1);	850	req->result = req->txn->commit (req->txn, req->uint1);
677	break;	851	break;
678		852
679	case REQ_TXN_ABORT:	853	case REQ_TXN_ABORT:
680	req->result = req->txn->abort (req->txn);	854	req->result = req->txn->abort (req->txn);
		855	break;
		856
		857	case REQ_TXN_FINISH:
		858	if (req->txn->flags & TXN_DEADLOCK)
		859	{
		860	req->result = req->txn->abort (req->txn);
		861	if (!req->result)
		862	req->result = DB_LOCK_DEADLOCK;
		863	}
		864	else
		865	req->result = req->txn->commit (req->txn, req->uint1);
681	break;	866	break;
682		867
683	case REQ_C_CLOSE:	868	case REQ_C_CLOSE:
684	req->result = req->dbc->c_close (req->dbc);	869	req->result = req->dbc->c_close (req->dbc);
685	break;	870	break;
…		…
706		891
707	case REQ_C_DEL:	892	case REQ_C_DEL:
708	req->result = req->dbc->c_del (req->dbc, req->uint1);	893	req->result = req->dbc->c_del (req->dbc, req->uint1);
709	break;	894	break;
710		895
		896	#if DB_VERSION_MINOR >= 3
711	case REQ_SEQ_OPEN:	897	case REQ_SEQ_OPEN:
712	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);	898	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
713	break;	899	break;
714		900
715	case REQ_SEQ_CLOSE:	901	case REQ_SEQ_CLOSE:
…		…
721	break;	907	break;
722		908
723	case REQ_SEQ_REMOVE:	909	case REQ_SEQ_REMOVE:
724	req->result = req->seq->remove (req->seq, req->txn, req->uint1);	910	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
725	break;	911	break;
		912	#endif
726		913
727	default:	914	default:
728	req->result = ENOSYS;	915	req->result = ENOSYS;
729	break;	916	break;
730	}	917	}
731		918
		919	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		920	req->txn->flags |= TXN_DEADLOCK;
		921
732	X_LOCK (reslock);	922	X_LOCK (reslock);
733		923
734	++npending;	924	++npending;
735		925
736	if (!reqq_push (&res_queue, req))	926	if (!reqq_push (&res_queue, req))
737	/* write a dummy byte to the pipe so fh becomes ready */	927	/* write a dummy byte to the pipe so fh becomes ready */
738	write (respipe [1], &respipe, 1);	928	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
739		929
740	self->req = 0;	930	self->req = 0;
741	worker_clear (self);	931	worker_clear (self);
742		932
743	X_UNLOCK (reslock);	933	X_UNLOCK (reslock);
…		…
767	X_UNLOCK (wrklock);	957	X_UNLOCK (wrklock);
768	}	958	}
769		959
770	static void atfork_child (void)	960	static void atfork_child (void)
771	{	961	{
772	aio_req prv;	962	bdb_req prv;
773		963
774	while (prv = reqq_shift (&req_queue))	964	while (prv = reqq_shift (&req_queue))
775	req_free (prv);	965	req_free (prv);
776		966
777	while (prv = reqq_shift (&res_queue))	967	while (prv = reqq_shift (&res_queue))
…		…
792	idle = 0;	982	idle = 0;
793	nreqs = 0;	983	nreqs = 0;
794	nready = 0;	984	nready = 0;
795	npending = 0;	985	npending = 0;
796		986
797	close (respipe [0]);	987	create_respipe ();
798	close (respipe [1]);
799
800	if (!create_pipe (respipe))
801	croak ("unable to initialize result pipe");
802		988
803	atfork_parent ();	989	atfork_parent ();
804	}	990	}
805		991
806	#define dREQ(reqtype) \	992	#define dREQ(reqtype) \
807	aio_req req; \	993	bdb_req req; \
808	int req_pri = next_pri; \	994	int req_pri = next_pri; \
809	next_pri = DEFAULT_PRI + PRI_BIAS; \	995	next_pri = DEFAULT_PRI + PRI_BIAS; \
810	\	996	\
811	if (SvOK (callback) && !SvROK (callback)) \	997	if (callback && SvOK (callback)) \
812	croak ("callback must be undef or of reference type"); \	998	croak ("callback has illegal type or extra arguments"); \
813	\	999	\
814	Newz (0, req, 1, aio_cb); \	1000	Newz (0, req, 1, bdb_cb); \
815	if (!req) \	1001	if (!req) \
816	croak ("out of memory during aio_req allocation"); \	1002	croak ("out of memory during bdb_req allocation"); \
817	\	1003	\
818	req->callback = newSVsv (callback); \	1004	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
819	req->type = (reqtype); \	1005	req->type = (reqtype); \
820	req->pri = req_pri	1006	req->pri = req_pri
821		1007
822	#define REQ_SEND \	1008	#define REQ_SEND \
823	req_send (req)	1009	req_send (req)
824		1010
825	#define SvPTR(var, arg, type, class, nullok) \	1011	#define SvPTR(var, arg, type, class, nullok) \
826	if (!SvOK (arg)) \	1012	if (!SvOK (arg)) \
827	{ \	1013	{ \
828	if (!nullok) \	1014	if (nullok != 1) \
829	croak (# var " must be a " # class " object, not undef"); \	1015	croak (# var " must be a " # class " object, not undef"); \
830	\	1016	\
831	(var) = 0; \	1017	(var) = 0; \
832	} \	1018	} \
833	else if (sv_derived_from ((arg), # class)) \	1019	else if (sv_derived_from ((arg), # class)) \
834	{ \	1020	{ \
835	IV tmp = SvIV ((SV*) SvRV (arg)); \	1021	IV tmp = SvIV ((SV*) SvRV (arg)); \
836	(var) = INT2PTR (type, tmp); \	1022	(var) = INT2PTR (type, tmp); \
837	if (!var) \	1023	if (!var && nullok != 2) \
838	croak (# var " is not a valid " # class " object anymore"); \	1024	croak (# var " is not a valid " # class " object anymore"); \
839	} \	1025	} \
840	else \	1026	else \
841	croak (# var " is not of type " # class); \	1027	croak (# var " is not of type " # class);
842	\
843		1028
844	static void	1029	static void
845	ptr_nuke (SV *sv)	1030	ptr_nuke (SV *sv)
846	{	1031	{
847	assert (SvROK (sv));	1032	assert (SvROK (sv));
848	sv_setiv (SvRV (sv), 0);	1033	sv_setiv (SvRV (sv), 0);
849	}	1034	}
		1035
		1036	static int
		1037	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1038	{
		1039	if (*mg->mg_ptr == '!') // should always be the case
		1040	if (-30999 <= errno && errno <= -30800)
		1041	{
		1042	sv_setnv (sv, (NV)errno);
		1043	sv_setpv (sv, db_strerror (errno));
		1044	SvNOK_on (sv); /* what a wonderful hack! */
		1045	// ^^^ copied from perl sources
		1046	return 0;
		1047	}
		1048
		1049	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1050	}
		1051
		1052	static MGVTBL vtbl_errno;
		1053
		1054	// this wonderful hack :( patches perl's $! variable to support our errno values
		1055	static void
		1056	patch_errno (void)
		1057	{
		1058	SV *sv;
		1059	MAGIC *mg;
		1060
		1061	if (!(sv = get_sv ("!", 1)))
		1062	return;
		1063
		1064	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1065	return;
		1066
		1067	if (mg->mg_virtual != &PL_vtbl_sv)
		1068	return;
		1069
		1070	vtbl_errno = PL_vtbl_sv;
		1071	vtbl_errno.svt_get = errno_get;
		1072	mg->mg_virtual = &vtbl_errno;
		1073	}
		1074
		1075	#if __GNUC__ >= 4
		1076	# define noinline __attribute__ ((noinline))
		1077	#else
		1078	# define noinline
		1079	#endif
		1080
		1081	static noinline SV *
		1082	pop_callback (I32 *ritems, SV *sv)
		1083	{
		1084	if (SvROK (sv))
		1085	{
		1086	HV *st;
		1087	GV *gvp;
		1088	CV *cv;
		1089	const char *name;
		1090
		1091	/* forgive me */
		1092	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1093	&& (st = SvSTASH (SvRV (sv)))
		1094	&& (name = HvNAME_get (st))
		1095	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1096	return 0;
		1097
		1098	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1099	{
		1100	--*ritems;
		1101	return (SV *)cv;
		1102	}
		1103	}
		1104
		1105	return 0;
		1106	}
		1107
		1108	/* stupid windoes defined CALLBACK as well */
		1109	#undef CALLBACK
		1110	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
850		1111
851	MODULE = BDB PACKAGE = BDB	1112	MODULE = BDB PACKAGE = BDB
852		1113
853	PROTOTYPES: ENABLE	1114	PROTOTYPES: ENABLE
854		1115
…		…
870	const_iv (INIT_TXN)	1131	const_iv (INIT_TXN)
871	const_iv (RECOVER)	1132	const_iv (RECOVER)
872	const_iv (INIT_TXN)	1133	const_iv (INIT_TXN)
873	const_iv (RECOVER_FATAL)	1134	const_iv (RECOVER_FATAL)
874	const_iv (CREATE)	1135	const_iv (CREATE)
		1136	const_iv (RDONLY)
875	const_iv (USE_ENVIRON)	1137	const_iv (USE_ENVIRON)
876	const_iv (USE_ENVIRON_ROOT)	1138	const_iv (USE_ENVIRON_ROOT)
877	const_iv (LOCKDOWN)	1139	const_iv (LOCKDOWN)
878	const_iv (PRIVATE)	1140	const_iv (PRIVATE)
879	const_iv (REGISTER)
880	const_iv (SYSTEM_MEM)	1141	const_iv (SYSTEM_MEM)
881	const_iv (AUTO_COMMIT)	1142	const_iv (AUTO_COMMIT)
882	const_iv (CDB_ALLDB)	1143	const_iv (CDB_ALLDB)
883	const_iv (DIRECT_DB)	1144	const_iv (DIRECT_DB)
884	const_iv (DIRECT_LOG)
885	const_iv (DSYNC_DB)
886	const_iv (DSYNC_LOG)
887	const_iv (LOG_AUTOREMOVE)
888	const_iv (LOG_INMEMORY)
889	const_iv (NOLOCKING)	1145	const_iv (NOLOCKING)
890	const_iv (MULTIVERSION)
891	const_iv (NOMMAP)	1146	const_iv (NOMMAP)
892	const_iv (NOPANIC)	1147	const_iv (NOPANIC)
893	const_iv (OVERWRITE)	1148	const_iv (OVERWRITE)
894	const_iv (PANIC_ENVIRONMENT)	1149	const_iv (PANIC_ENVIRONMENT)
895	const_iv (REGION_INIT)	1150	const_iv (REGION_INIT)
896	const_iv (TIME_NOTGRANTED)	1151	const_iv (TIME_NOTGRANTED)
897	const_iv (TXN_NOSYNC)	1152	const_iv (TXN_NOSYNC)
898	const_iv (TXN_SNAPSHOT)	1153	const_iv (TXN_NOT_DURABLE)
899	const_iv (TXN_WRITE_NOSYNC)	1154	const_iv (TXN_WRITE_NOSYNC)
900	const_iv (WRITECURSOR)	1155	const_iv (WRITECURSOR)
901	const_iv (YIELDCPU)	1156	const_iv (YIELDCPU)
902	const_iv (ENCRYPT_AES)	1157	const_iv (ENCRYPT_AES)
903	const_iv (XA_CREATE)	1158	const_iv (XA_CREATE)
…		…
905	const_iv (HASH)	1160	const_iv (HASH)
906	const_iv (QUEUE)	1161	const_iv (QUEUE)
907	const_iv (RECNO)	1162	const_iv (RECNO)
908	const_iv (UNKNOWN)	1163	const_iv (UNKNOWN)
909	const_iv (EXCL)	1164	const_iv (EXCL)
910	const_iv (READ_COMMITTED)
911	const_iv (READ_UNCOMMITTED)
912	const_iv (TRUNCATE)	1165	const_iv (TRUNCATE)
913	const_iv (NOSYNC)	1166	const_iv (NOSYNC)
914	const_iv (CHKSUM)	1167	const_iv (CHKSUM)
915	const_iv (ENCRYPT)	1168	const_iv (ENCRYPT)
916	const_iv (TXN_NOT_DURABLE)
917	const_iv (DUP)	1169	const_iv (DUP)
918	const_iv (DUPSORT)	1170	const_iv (DUPSORT)
919	const_iv (RECNUM)	1171	const_iv (RECNUM)
920	const_iv (RENUMBER)	1172	const_iv (RENUMBER)
921	const_iv (REVSPLITOFF)	1173	const_iv (REVSPLITOFF)
922	const_iv (INORDER)
923	const_iv (CONSUME)	1174	const_iv (CONSUME)
924	const_iv (CONSUME_WAIT)	1175	const_iv (CONSUME_WAIT)
925	const_iv (GET_BOTH)	1176	const_iv (GET_BOTH)
926	const_iv (GET_BOTH_RANGE)	1177	const_iv (GET_BOTH_RANGE)
927	//const_iv (SET_RECNO)	1178	//const_iv (SET_RECNO)
928	//const_iv (MULTIPLE)	1179	//const_iv (MULTIPLE)
929	const_iv (SNAPSHOT)	1180	const_iv (SNAPSHOT)
930	const_iv (JOIN_ITEM)	1181	const_iv (JOIN_ITEM)
		1182	const_iv (JOIN_NOSORT)
931	const_iv (RMW)	1183	const_iv (RMW)
932		1184
933	const_iv (NOTFOUND)	1185	const_iv (NOTFOUND)
934	const_iv (KEYEMPTY)	1186	const_iv (KEYEMPTY)
935	const_iv (LOCK_DEADLOCK)	1187	const_iv (LOCK_DEADLOCK)
936	const_iv (LOCK_NOTGRANTED)	1188	const_iv (LOCK_NOTGRANTED)
937	const_iv (RUNRECOVERY)	1189	const_iv (RUNRECOVERY)
938	const_iv (OLD_VERSION)	1190	const_iv (OLD_VERSION)
939	const_iv (REP_HANDLE_DEAD)	1191	const_iv (REP_HANDLE_DEAD)
940	const_iv (REP_LOCKOUT)
941	const_iv (SECONDARY_BAD)	1192	const_iv (SECONDARY_BAD)
942
943	const_iv (FREE_SPACE)
944	const_iv (FREELIST_ONLY)
945		1193
946	const_iv (APPEND)	1194	const_iv (APPEND)
947	const_iv (NODUPDATA)	1195	const_iv (NODUPDATA)
948	const_iv (NOOVERWRITE)	1196	const_iv (NOOVERWRITE)
949		1197
950	const_iv (TXN_NOWAIT)	1198	const_iv (TXN_NOWAIT)
951	const_iv (TXN_SNAPSHOT)
952	const_iv (TXN_SYNC)	1199	const_iv (TXN_SYNC)
953		1200
954	const_iv (SET_LOCK_TIMEOUT)	1201	const_iv (SET_LOCK_TIMEOUT)
955	const_iv (SET_TXN_TIMEOUT)	1202	const_iv (SET_TXN_TIMEOUT)
956		1203
957	const_iv (JOIN_ITEM)
958	const_iv (FIRST)	1204	const_iv (FIRST)
959	const_iv (NEXT)	1205	const_iv (NEXT)
960	const_iv (NEXT_DUP)	1206	const_iv (NEXT_DUP)
961	const_iv (NEXT_NODUP)	1207	const_iv (NEXT_NODUP)
962	const_iv (PREV)	1208	const_iv (PREV)
…		…
974	const_iv (FORCE)	1220	const_iv (FORCE)
975		1221
976	const_iv (LOCK_DEFAULT)	1222	const_iv (LOCK_DEFAULT)
977	const_iv (LOCK_EXPIRE)	1223	const_iv (LOCK_EXPIRE)
978	const_iv (LOCK_MAXLOCKS)	1224	const_iv (LOCK_MAXLOCKS)
979	const_iv (LOCK_MAXWRITE)
980	const_iv (LOCK_MINLOCKS)	1225	const_iv (LOCK_MINLOCKS)
981	const_iv (LOCK_MINWRITE)	1226	const_iv (LOCK_MINWRITE)
982	const_iv (LOCK_OLDEST)	1227	const_iv (LOCK_OLDEST)
983	const_iv (LOCK_RANDOM)	1228	const_iv (LOCK_RANDOM)
984	const_iv (LOCK_YOUNGEST)	1229	const_iv (LOCK_YOUNGEST)
985		1230
		1231	const_iv (DONOTINDEX)
		1232	const_iv (KEYEMPTY )
		1233	const_iv (KEYEXIST )
		1234	const_iv (LOCK_DEADLOCK)
		1235	const_iv (LOCK_NOTGRANTED)
		1236	const_iv (NOSERVER)
		1237	const_iv (NOSERVER_HOME)
		1238	const_iv (NOSERVER_ID)
		1239	const_iv (NOTFOUND)
		1240	const_iv (PAGE_NOTFOUND)
		1241	const_iv (REP_DUPMASTER)
		1242	const_iv (REP_HANDLE_DEAD)
		1243	const_iv (REP_HOLDELECTION)
		1244	const_iv (REP_ISPERM)
		1245	const_iv (REP_NEWMASTER)
		1246	const_iv (REP_NEWSITE)
		1247	const_iv (REP_NOTPERM)
		1248	const_iv (REP_UNAVAIL)
		1249	const_iv (RUNRECOVERY)
		1250	const_iv (SECONDARY_BAD)
		1251	const_iv (VERIFY_BAD)
		1252
		1253	const_iv (VERB_DEADLOCK)
		1254	const_iv (VERB_RECOVERY)
		1255	const_iv (VERB_REPLICATION)
		1256	const_iv (VERB_WAITSFOR)
		1257
		1258	const_iv (VERSION_MAJOR)
		1259	const_iv (VERSION_MINOR)
		1260	const_iv (VERSION_PATCH)
		1261	#if DB_VERSION_MINOR >= 3
		1262	const_iv (INORDER)
		1263	const_iv (LOCK_MAXWRITE)
986	const_iv (SEQ_DEC)	1264	const_iv (SEQ_DEC)
987	const_iv (SEQ_INC)	1265	const_iv (SEQ_INC)
988	const_iv (SEQ_WRAP)	1266	const_iv (SEQ_WRAP)
		1267	const_iv (BUFFER_SMALL)
		1268	const_iv (LOG_BUFFER_FULL)
		1269	const_iv (VERSION_MISMATCH)
		1270	#endif
		1271	#if DB_VERSION_MINOR >= 4
		1272	const_iv (REGISTER)
		1273	const_iv (DSYNC_DB)
		1274	const_iv (READ_COMMITTED)
		1275	const_iv (READ_UNCOMMITTED)
		1276	const_iv (REP_IGNORE)
		1277	const_iv (REP_LOCKOUT)
		1278	const_iv (REP_JOIN_FAILURE)
		1279	const_iv (FREE_SPACE)
		1280	const_iv (FREELIST_ONLY)
		1281	const_iv (VERB_REGISTER)
		1282	#endif
		1283	#if DB_VERSION_MINOR >= 5
		1284	const_iv (MULTIVERSION)
		1285	const_iv (TXN_SNAPSHOT)
		1286	#endif
		1287	#if DB_VERSION_MINOR >= 6
		1288	const_iv (PREV_DUP)
		1289	const_iv (PRIORITY_UNCHANGED)
		1290	const_iv (PRIORITY_VERY_LOW)
		1291	const_iv (PRIORITY_LOW)
		1292	const_iv (PRIORITY_DEFAULT)
		1293	const_iv (PRIORITY_HIGH)
		1294	const_iv (PRIORITY_VERY_HIGH)
		1295	#endif
		1296	#if DB_VERSION_MINOR >= 7
		1297	const_iv (LOG_DIRECT)
		1298	const_iv (LOG_DSYNC)
		1299	const_iv (LOG_AUTO_REMOVE)
		1300	const_iv (LOG_IN_MEMORY)
		1301	const_iv (LOG_ZERO)
		1302	#else
		1303	const_iv (DIRECT_LOG)
		1304	const_iv (LOG_AUTOREMOVE)
		1305	# if DB_VERSION_MINOR >= 3
		1306	const_iv (DSYNC_LOG)
		1307	const_iv (LOG_INMEMORY)
		1308	# endif
		1309	#endif
989	};	1310	};
990		1311
991	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1312	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
992	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1313	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
993		1314
		1315	{
		1316	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1317	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1318
		1319	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1320	}
		1321
		1322	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1323
994	if (!create_pipe (respipe))	1324	create_respipe ();
995	croak ("unable to initialize result pipe");
996		1325
997	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1326	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
998	#ifdef _WIN32	1327	patch_errno ();
999	X_MUTEX_CHECK (wrklock);
1000	X_MUTEX_CHECK (reslock);
1001	X_MUTEX_CHECK (reqlock);
1002
1003	X_COND_CHECK (reqwait);
1004	#endif
1005	}	1328	}
1006		1329
1007	void	1330	void
1008	max_poll_reqs (int nreqs)	1331	max_poll_reqs (int nreqs)
1009	PROTOTYPE: $	1332	PROTOTYPE: $
…		…
1141	PROTOTYPE: &	1464	PROTOTYPE: &
1142	CODE:	1465	CODE:
1143	SvREFCNT_dec (prepare_cb);	1466	SvREFCNT_dec (prepare_cb);
1144	prepare_cb = newSVsv (cb);	1467	prepare_cb = newSVsv (cb);
1145		1468
		1469	char *
		1470	strerror (int errorno = errno)
		1471	PROTOTYPE: ;$
		1472	CODE:
		1473	RETVAL = db_strerror (errorno);
		1474	OUTPUT:
		1475	RETVAL
		1476
		1477	void _on_next_submit (SV *cb)
		1478	CODE:
		1479	SvREFCNT_dec (on_next_submit);
		1480	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1146		1481
1147	DB_ENV *	1482	DB_ENV *
1148	db_env_create (U32 env_flags = 0)	1483	db_env_create (U32 env_flags = 0)
1149	CODE:	1484	CODE:
1150	{	1485	{
1151	errno = db_env_create (&RETVAL, env_flags);	1486	errno = db_env_create (&RETVAL, env_flags);
1152	if (errno)	1487	if (errno)
1153	croak ("db_env_create: %s", db_strerror (errno));	1488	croak ("db_env_create: %s", db_strerror (errno));
		1489
		1490	if (0)
		1491	{
		1492	RETVAL->set_errcall (RETVAL, debug_errcall);
		1493	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1494	}
1154	}	1495	}
1155	OUTPUT:	1496	OUTPUT:
1156	RETVAL	1497	RETVAL
1157		1498
1158	void	1499	void
1159	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1500	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1501	PREINIT:
		1502	CALLBACK
1160	CODE:	1503	CODE:
1161	{	1504	{
1162	env->set_thread_count (env, get_nthreads ());
1163
1164	dREQ (REQ_ENV_OPEN);	1505	dREQ (REQ_ENV_OPEN);
1165	req->env = env;	1506	req->env = env;
1166	req->uint1 = open_flags | DB_THREAD;	1507	req->uint1 = open_flags | DB_THREAD;
1167	req->int1 = mode;	1508	req->int1 = mode;
1168	req->buf1 = strdup_ornull (db_home);	1509	req->buf1 = strdup_ornull (db_home);
1169	REQ_SEND;	1510	REQ_SEND;
1170	}	1511	}
1171		1512
1172	void	1513	void
1173	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1514	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1515	PREINIT:
		1516	CALLBACK
1174	CODE:	1517	CODE:
1175	{	1518	{
1176	dREQ (REQ_ENV_CLOSE);	1519	dREQ (REQ_ENV_CLOSE);
1177	req->env = env;	1520	req->env = env;
1178	req->uint1 = flags;	1521	req->uint1 = flags;
1179	REQ_SEND;	1522	REQ_SEND;
1180	ptr_nuke (ST (0));	1523	ptr_nuke (ST (0));
1181	}	1524	}
1182		1525
1183	void	1526	void
1184	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1527	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1528	PREINIT:
		1529	CALLBACK
1185	CODE:	1530	CODE:
1186	{	1531	{
1187	dREQ (REQ_ENV_TXN_CHECKPOINT);	1532	dREQ (REQ_ENV_TXN_CHECKPOINT);
1188	req->env = env;	1533	req->env = env;
1189	req->uint1 = kbyte;	1534	req->uint1 = kbyte;
…		…
1191	req->uint2 = flags;	1536	req->uint2 = flags;
1192	REQ_SEND;	1537	REQ_SEND;
1193	}	1538	}
1194		1539
1195	void	1540	void
1196	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1541	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1542	PREINIT:
		1543	CALLBACK
1197	CODE:	1544	CODE:
1198	{	1545	{
1199	dREQ (REQ_ENV_LOCK_DETECT);	1546	dREQ (REQ_ENV_LOCK_DETECT);
1200	req->env = env;	1547	req->env = env;
1201	req->uint1 = flags;	1548	req->uint1 = flags;
1202	req->uint2 = atype;	1549	req->uint2 = atype;
		1550	/* req->int2 = 0; dummy */
1203	REQ_SEND;	1551	REQ_SEND;
1204	}	1552	}
1205		1553
1206	void	1554	void
1207	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1555	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1556	PREINIT:
		1557	CALLBACK
1208	CODE:	1558	CODE:
1209	{	1559	{
1210	dREQ (REQ_ENV_MEMP_SYNC);	1560	dREQ (REQ_ENV_MEMP_SYNC);
1211	req->env = env;	1561	req->env = env;
1212	REQ_SEND;	1562	REQ_SEND;
1213	}	1563	}
1214		1564
1215	void	1565	void
1216	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1566	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1567	PREINIT:
		1568	CALLBACK
1217	CODE:	1569	CODE:
1218	{	1570	{
1219	dREQ (REQ_ENV_MEMP_TRICKLE);	1571	dREQ (REQ_ENV_MEMP_TRICKLE);
1220	req->env = env;	1572	req->env = env;
1221	req->int1 = percent;	1573	req->int1 = percent;
1222	REQ_SEND;	1574	REQ_SEND;
1223	}	1575	}
1224		1576
		1577	void
		1578	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1579	PREINIT:
		1580	CALLBACK
		1581	CODE:
		1582	{
		1583	dREQ (REQ_ENV_DBREMOVE);
		1584	req->env = env;
		1585	req->buf1 = strdup_ornull (file);
		1586	req->buf2 = strdup_ornull (database);
		1587	req->uint1 = flags;
		1588	REQ_SEND;
		1589	}
		1590
		1591	void
		1592	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)
		1593	PREINIT:
		1594	CALLBACK
		1595	CODE:
		1596	{
		1597	dREQ (REQ_ENV_DBRENAME);
		1598	req->env = env;
		1599	req->buf1 = strdup_ornull (file);
		1600	req->buf2 = strdup_ornull (database);
		1601	req->buf3 = strdup_ornull (newname);
		1602	req->uint1 = flags;
		1603	REQ_SEND;
		1604	}
1225		1605
1226	DB *	1606	DB *
1227	db_create (DB_ENV *env = 0, U32 flags = 0)	1607	db_create (DB_ENV *env = 0, U32 flags = 0)
1228	CODE:	1608	CODE:
1229	{	1609	{
…		…
1236	}	1616	}
1237	OUTPUT:	1617	OUTPUT:
1238	RETVAL	1618	RETVAL
1239		1619
1240	void	1620	void
1241	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1621	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1622	PREINIT:
		1623	CALLBACK
1242	CODE:	1624	CODE:
1243	{	1625	{
1244	dREQ (REQ_DB_OPEN);	1626	dREQ (REQ_DB_OPEN);
1245	req->db = db;	1627	req->db = db;
1246	req->txn = txnid;	1628	req->txn = txnid;
…		…
1251	req->int2 = mode;	1633	req->int2 = mode;
1252	REQ_SEND;	1634	REQ_SEND;
1253	}	1635	}
1254		1636
1255	void	1637	void
1256	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1638	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1639	PREINIT:
		1640	CALLBACK
1257	CODE:	1641	CODE:
1258	{	1642	{
1259	dREQ (REQ_DB_CLOSE);	1643	dREQ (REQ_DB_CLOSE);
1260	req->db = db;	1644	req->db = db;
1261	req->uint1 = flags;	1645	req->uint1 = flags;
1262	req->sv1 = (SV *)db->app_private;	1646	req->sv1 = (SV *)db->app_private;
1263	REQ_SEND;	1647	REQ_SEND;
1264	ptr_nuke (ST (0));	1648	ptr_nuke (ST (0));
1265	}	1649	}
1266		1650
		1651	#if DB_VERSION_MINOR >= 4
		1652
1267	void	1653	void
1268	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)	1654	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)
		1655	PREINIT:
		1656	CALLBACK
1269	CODE:	1657	CODE:
1270	{	1658	{
1271	dREQ (REQ_DB_COMPACT);	1659	dREQ (REQ_DB_COMPACT);
1272	req->db = db;	1660	req->db = db;
1273	req->txn = txn;	1661	req->txn = txn;
…		…
1275	sv_to_dbt (&req->dbt2, stop);	1663	sv_to_dbt (&req->dbt2, stop);
1276	req->uint1 = flags;	1664	req->uint1 = flags;
1277	REQ_SEND;	1665	REQ_SEND;
1278	}	1666	}
1279		1667
		1668	#endif
		1669
1280	void	1670	void
1281	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1671	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1672	PREINIT:
		1673	CALLBACK
1282	CODE:	1674	CODE:
1283	{	1675	{
1284	dREQ (REQ_DB_SYNC);	1676	dREQ (REQ_DB_SYNC);
1285	req->db = db;	1677	req->db = db;
1286	req->uint1 = flags;	1678	req->uint1 = flags;
1287	REQ_SEND;	1679	REQ_SEND;
1288	}	1680	}
1289		1681
1290	void	1682	void
		1683	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1684	PREINIT:
		1685	CALLBACK
		1686	CODE:
		1687	{
		1688	dREQ (REQ_DB_SYNC);
		1689	req->db = db;
		1690	req->buf1 = strdup (file);
		1691	req->uint1 = flags;
		1692	REQ_SEND;
		1693	}
		1694
		1695	void
1291	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1696	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1697	PREINIT:
		1698	CALLBACK
1292	CODE:	1699	CODE:
1293	{	1700	{
1294	dREQ (REQ_DB_KEY_RANGE);	1701	dREQ (REQ_DB_KEY_RANGE);
1295	req->db = db;	1702	req->db = db;
1296	req->txn = txn;	1703	req->txn = txn;
…		…
1299	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1706	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1300	REQ_SEND;	1707	REQ_SEND;
1301	}	1708	}
1302		1709
1303	void	1710	void
1304	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1711	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1712	PREINIT:
		1713	CALLBACK
1305	CODE:	1714	CODE:
1306	{	1715	{
1307	dREQ (REQ_DB_PUT);	1716	dREQ (REQ_DB_PUT);
1308	req->db = db;	1717	req->db = db;
1309	req->txn = txn;	1718	req->txn = txn;
…		…
1311	sv_to_dbt (&req->dbt2, data);	1720	sv_to_dbt (&req->dbt2, data);
1312	req->uint1 = flags;	1721	req->uint1 = flags;
1313	REQ_SEND;	1722	REQ_SEND;
1314	}	1723	}
1315		1724
		1725	#if DB_VERSION_MINOR >= 6
		1726
1316	void	1727	void
		1728	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1729	PREINIT:
		1730	CALLBACK
		1731	CODE:
		1732	{
		1733	dREQ (REQ_DB_EXISTS);
		1734	req->db = db;
		1735	req->txn = txn;
		1736	req->uint1 = flags;
		1737	sv_to_dbt (&req->dbt1, key);
		1738	REQ_SEND;
		1739	}
		1740
		1741	#endif
		1742
		1743	void
1317	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1744	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1745	PREINIT:
		1746	CALLBACK
1318	CODE:	1747	CODE:
		1748	if (SvREADONLY (data))
		1749	croak ("can't modify read-only data scalar in db_get");
1319	{	1750	{
1320	dREQ (REQ_DB_GET);	1751	dREQ (REQ_DB_GET);
1321	req->db = db;	1752	req->db = db;
1322	req->txn = txn;	1753	req->txn = txn;
1323	req->uint1 = flags;	1754	req->uint1 = flags;
…		…
1326	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1757	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1327	REQ_SEND;	1758	REQ_SEND;
1328	}	1759	}
1329		1760
1330	void	1761	void
1331	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1762	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1763	PREINIT:
		1764	CALLBACK
1332	CODE:	1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_pget");
1333	{	1768	{
1334	dREQ (REQ_DB_PGET);	1769	dREQ (REQ_DB_PGET);
1335	req->db = db;	1770	req->db = db;
1336	req->txn = txn;	1771	req->txn = txn;
1337	req->uint1 = flags;	1772	req->uint1 = flags;
…		…
1341	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1776	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1342	REQ_SEND;	1777	REQ_SEND;
1343	}	1778	}
1344		1779
1345	void	1780	void
1346	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1781	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1782	PREINIT:
		1783	CALLBACK
1347	CODE:	1784	CODE:
1348	{	1785	{
1349	dREQ (REQ_DB_DEL);	1786	dREQ (REQ_DB_DEL);
1350	req->db = db;	1787	req->db = db;
1351	req->txn = txn;	1788	req->txn = txn;
…		…
1353	sv_to_dbt (&req->dbt1, key);	1790	sv_to_dbt (&req->dbt1, key);
1354	REQ_SEND;	1791	REQ_SEND;
1355	}	1792	}
1356		1793
1357	void	1794	void
1358	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1795	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1796	PREINIT:
		1797	CALLBACK
1359	CODE:	1798	CODE:
1360	{	1799	{
1361	dREQ (REQ_TXN_COMMIT);	1800	dREQ (REQ_TXN_COMMIT);
1362	req->txn = txn;	1801	req->txn = txn;
1363	req->uint1 = flags;	1802	req->uint1 = flags;
1364	REQ_SEND;	1803	REQ_SEND;
1365	ptr_nuke (ST (0));	1804	ptr_nuke (ST (0));
1366	}	1805	}
1367		1806
1368	void	1807	void
1369	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1808	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
1370	CODE:	1811	CODE:
1371	{	1812	{
1372	dREQ (REQ_TXN_ABORT);	1813	dREQ (REQ_TXN_ABORT);
1373	req->txn = txn;	1814	req->txn = txn;
1374	REQ_SEND;	1815	REQ_SEND;
1375	ptr_nuke (ST (0));	1816	ptr_nuke (ST (0));
1376	}	1817	}
1377		1818
1378	void	1819	void
		1820	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1821	PREINIT:
		1822	CALLBACK
		1823	CODE:
		1824	{
		1825	dREQ (REQ_TXN_FINISH);
		1826	req->txn = txn;
		1827	req->uint1 = flags;
		1828	REQ_SEND;
		1829	ptr_nuke (ST (0));
		1830	}
		1831
		1832	void
1379	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1833	db_c_close (DBC *dbc, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
1380	CODE:	1836	CODE:
1381	{	1837	{
1382	dREQ (REQ_C_CLOSE);	1838	dREQ (REQ_C_CLOSE);
1383	req->dbc = dbc;	1839	req->dbc = dbc;
1384	REQ_SEND;	1840	REQ_SEND;
1385	ptr_nuke (ST (0));	1841	ptr_nuke (ST (0));
1386	}	1842	}
1387		1843
1388	void	1844	void
1389	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1845	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1846	PREINIT:
		1847	CALLBACK
1390	CODE:	1848	CODE:
1391	{	1849	{
1392	dREQ (REQ_C_COUNT);	1850	dREQ (REQ_C_COUNT);
1393	req->dbc = dbc;	1851	req->dbc = dbc;
1394	req->sv1 = SvREFCNT_inc (count);	1852	req->sv1 = SvREFCNT_inc (count);
1395	REQ_SEND;	1853	REQ_SEND;
1396	}	1854	}
1397		1855
1398	void	1856	void
1399	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1857	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1858	PREINIT:
		1859	CALLBACK
1400	CODE:	1860	CODE:
1401	{	1861	{
1402	dREQ (REQ_C_PUT);	1862	dREQ (REQ_C_PUT);
1403	req->dbc = dbc;	1863	req->dbc = dbc;
1404	sv_to_dbt (&req->dbt1, key);	1864	sv_to_dbt (&req->dbt1, key);
…		…
1406	req->uint1 = flags;	1866	req->uint1 = flags;
1407	REQ_SEND;	1867	REQ_SEND;
1408	}	1868	}
1409		1869
1410	void	1870	void
1411	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1871	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1872	PREINIT:
		1873	CALLBACK
1412	CODE:	1874	CODE:
1413	{	1875	{
1414	dREQ (REQ_C_GET);	1876	dREQ (REQ_C_GET);
1415	req->dbc = dbc;	1877	req->dbc = dbc;
1416	req->uint1 = flags;	1878	req->uint1 = flags;
…		…
1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1893	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1432	REQ_SEND;	1894	REQ_SEND;
1433	}	1895	}
1434		1896
1435	void	1897	void
1436	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1898	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1899	PREINIT:
		1900	CALLBACK
1437	CODE:	1901	CODE:
1438	{	1902	{
1439	dREQ (REQ_C_PGET);	1903	dREQ (REQ_C_PGET);
1440	req->dbc = dbc;	1904	req->dbc = dbc;
1441	req->uint1 = flags;	1905	req->uint1 = flags;
…		…
1459	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1923	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1460	REQ_SEND;	1924	REQ_SEND;
1461	}	1925	}
1462		1926
1463	void	1927	void
1464	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1928	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1929	PREINIT:
		1930	CALLBACK
1465	CODE:	1931	CODE:
1466	{	1932	{
1467	dREQ (REQ_C_DEL);	1933	dREQ (REQ_C_DEL);
1468	req->dbc = dbc;	1934	req->dbc = dbc;
1469	req->uint1 = flags;	1935	req->uint1 = flags;
1470	REQ_SEND;	1936	REQ_SEND;
1471	}	1937	}
1472		1938
1473		1939
		1940	#if DB_VERSION_MINOR >= 3
		1941
1474	void	1942	void
1475	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1943	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1944	PREINIT:
		1945	CALLBACK
1476	CODE:	1946	CODE:
1477	{	1947	{
1478	dREQ (REQ_SEQ_OPEN);	1948	dREQ (REQ_SEQ_OPEN);
1479	req->seq = seq;	1949	req->seq = seq;
1480	req->txn = txnid;	1950	req->txn = txnid;
…		…
1482	sv_to_dbt (&req->dbt1, key);	1952	sv_to_dbt (&req->dbt1, key);
1483	REQ_SEND;	1953	REQ_SEND;
1484	}	1954	}
1485		1955
1486	void	1956	void
1487	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1957	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1958	PREINIT:
		1959	CALLBACK
1488	CODE:	1960	CODE:
1489	{	1961	{
1490	dREQ (REQ_SEQ_CLOSE);	1962	dREQ (REQ_SEQ_CLOSE);
1491	req->seq = seq;	1963	req->seq = seq;
1492	req->uint1 = flags;	1964	req->uint1 = flags;
1493	REQ_SEND;	1965	REQ_SEND;
1494	ptr_nuke (ST (0));	1966	ptr_nuke (ST (0));
1495	}	1967	}
1496		1968
1497	void	1969	void
1498	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)	1970	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1971	PREINIT:
		1972	CALLBACK
1499	CODE:	1973	CODE:
1500	{	1974	{
1501	dREQ (REQ_SEQ_GET);	1975	dREQ (REQ_SEQ_GET);
1502	req->seq = seq;	1976	req->seq = seq;
1503	req->txn = txnid;	1977	req->txn = txnid;
…		…
1506	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1980	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1507	REQ_SEND;	1981	REQ_SEND;
1508	}	1982	}
1509		1983
1510	void	1984	void
1511	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1985	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1986	PREINIT:
		1987	CALLBACK
1512	CODE:	1988	CODE:
1513	{	1989	{
1514	dREQ (REQ_SEQ_REMOVE);	1990	dREQ (REQ_SEQ_REMOVE);
1515	req->seq = seq;	1991	req->seq = seq;
1516	req->txn = txnid;	1992	req->txn = txnid;
1517	req->uint1 = flags;	1993	req->uint1 = flags;
1518	REQ_SEND;	1994	REQ_SEND;
1519	}	1995	}
1520		1996
		1997	#endif
		1998
1521		1999
1522	MODULE = BDB PACKAGE = BDB::Env	2000	MODULE = BDB PACKAGE = BDB::Env
1523		2001
1524	void	2002	void
1525	DESTROY (DB_ENV_ornull *env)	2003	DESTROY (DB_ENV_ornuked *env)
1526	CODE:	2004	CODE:
1527	if (env)	2005	if (env)
1528	env->close (env, 0);	2006	env->close (env, 0);
1529		2007
1530	int set_data_dir (DB_ENV *env, const char *dir)	2008	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1555	CODE:	2033	CODE:
1556	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2034	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1557	OUTPUT:	2035	OUTPUT:
1558	RETVAL	2036	RETVAL
1559		2037
1560	int set_flags (DB_ENV *env, U32 flags, int onoff)	2038	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1561	CODE:	2039	CODE:
1562	RETVAL = env->set_flags (env, flags, onoff);	2040	RETVAL = env->set_flags (env, flags, onoff);
1563	OUTPUT:	2041	OUTPUT:
1564	RETVAL	2042	RETVAL
1565		2043
		2044	#if DB_VERSION_MINOR >= 7
		2045
		2046	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2047	CODE:
		2048	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2049	OUTPUT:
		2050	RETVAL
		2051
		2052	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2053	CODE:
		2054	RETVAL = env->log_set_config (env, flags, onoff);
		2055	OUTPUT:
		2056	RETVAL
		2057
		2058	#endif
		2059
		2060
		2061	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2062	CODE:
		2063	env->set_errfile (env, errfile);
		2064
		2065	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2066	CODE:
		2067	env->set_msgfile (env, msgfile);
		2068
		2069	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2070	CODE:
		2071	RETVAL = env->set_verbose (env, which, onoff);
		2072	OUTPUT:
		2073	RETVAL
		2074
1566	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2075	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1567	CODE:	2076	CODE:
1568	RETVAL = env->set_encrypt (env, password, flags);	2077	RETVAL = env->set_encrypt (env, password, flags);
1569	OUTPUT:	2078	OUTPUT:
1570	RETVAL	2079	RETVAL
1571		2080
1572	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2081	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1573	CODE:	2082	CODE:
1574	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2083	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1575	OUTPUT:	2084	OUTPUT:
1576	RETVAL	2085	RETVAL
1577		2086
…		…
1626	int set_lg_max (DB_ENV *env, U32 max)	2135	int set_lg_max (DB_ENV *env, U32 max)
1627	CODE:	2136	CODE:
1628	RETVAL = env->set_lg_max (env, max);	2137	RETVAL = env->set_lg_max (env, max);
1629	OUTPUT:	2138	OUTPUT:
1630	RETVAL	2139	RETVAL
		2140
		2141	#if DB_VERSION_MINOR >= 4
		2142
		2143	int mutex_set_max (DB_ENV *env, U32 max)
		2144	CODE:
		2145	RETVAL = env->mutex_set_max (env, max);
		2146	OUTPUT:
		2147	RETVAL
		2148
		2149	int mutex_set_increment (DB_ENV *env, U32 increment)
		2150	CODE:
		2151	RETVAL = env->mutex_set_increment (env, increment);
		2152	OUTPUT:
		2153	RETVAL
		2154
		2155	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2156	CODE:
		2157	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2158	OUTPUT:
		2159	RETVAL
		2160
		2161	int mutex_set_align (DB_ENV *env, U32 align)
		2162	CODE:
		2163	RETVAL = env->mutex_set_align (env, align);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	#endif
1631		2168
1632	DB_TXN *	2169	DB_TXN *
1633	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2170	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1634	CODE:	2171	CODE:
1635	errno = env->txn_begin (env, parent, &RETVAL, flags);	2172	errno = env->txn_begin (env, parent, &RETVAL, flags);
1636	if (errno)	2173	if (errno)
1637	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2174	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1638	OUTPUT:	2175	OUTPUT:
1639	RETVAL	2176	RETVAL
1640		2177
		2178	#if DB_VERSION_MINOR >= 5
		2179
		2180	DB_TXN *
		2181	cdsgroup_begin (DB_ENV *env)
		2182	CODE:
		2183	errno = env->cdsgroup_begin (env, &RETVAL);
		2184	if (errno)
		2185	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2186	OUTPUT:
		2187	RETVAL
		2188
		2189	#endif
		2190
1641	MODULE = BDB PACKAGE = BDB::Db	2191	MODULE = BDB PACKAGE = BDB::Db
1642		2192
1643	void	2193	void
1644	DESTROY (DB_ornull *db)	2194	DESTROY (DB_ornuked *db)
1645	CODE:	2195	CODE:
1646	if (db)	2196	if (db)
1647	{	2197	{
1648	SV *env = (SV *)db->app_private;	2198	SV *env = (SV *)db->app_private;
1649	db->close (db, 0);	2199	db->close (db, 0);
…		…
1654	CODE:	2204	CODE:
1655	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2205	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1656	OUTPUT:	2206	OUTPUT:
1657	RETVAL	2207	RETVAL
1658		2208
1659	int set_flags (DB *db, U32 flags);	2209	int set_flags (DB *db, U32 flags)
1660	CODE:	2210	CODE:
1661	RETVAL = db->set_flags (db, flags);	2211	RETVAL = db->set_flags (db, flags);
1662	OUTPUT:	2212	OUTPUT:
1663	RETVAL	2213	RETVAL
1664		2214
…		…
1678	CODE:	2228	CODE:
1679	RETVAL = db->set_bt_minkey (db, minkey);	2229	RETVAL = db->set_bt_minkey (db, minkey);
1680	OUTPUT:	2230	OUTPUT:
1681	RETVAL	2231	RETVAL
1682		2232
1683	int set_re_delim(DB *db, int delim);	2233	int set_re_delim (DB *db, int delim)
1684	CODE:	2234	CODE:
1685	RETVAL = db->set_re_delim (db, delim);	2235	RETVAL = db->set_re_delim (db, delim);
1686	OUTPUT:	2236	OUTPUT:
1687	RETVAL	2237	RETVAL
1688		2238
…		…
1729	if (errno)	2279	if (errno)
1730	croak ("DB->cursor: %s", db_strerror (errno));	2280	croak ("DB->cursor: %s", db_strerror (errno));
1731	OUTPUT:	2281	OUTPUT:
1732	RETVAL	2282	RETVAL
1733		2283
		2284	#if DB_VERSION_MINOR >= 3
		2285
1734	DB_SEQUENCE *	2286	DB_SEQUENCE *
1735	sequence (DB *db, U32 flags = 0)	2287	sequence (DB *db, U32 flags = 0)
1736	CODE:	2288	CODE:
1737	{	2289	{
1738	errno = db_sequence_create (&RETVAL, db, flags);	2290	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1740	croak ("db_sequence_create: %s", db_strerror (errno));	2292	croak ("db_sequence_create: %s", db_strerror (errno));
1741	}	2293	}
1742	OUTPUT:	2294	OUTPUT:
1743	RETVAL	2295	RETVAL
1744		2296
		2297	#endif
		2298
1745		2299
1746	MODULE = BDB PACKAGE = BDB::Txn	2300	MODULE = BDB PACKAGE = BDB::Txn
1747		2301
1748	void	2302	void
1749	DESTROY (DB_TXN_ornull *txn)	2303	DESTROY (DB_TXN_ornuked *txn)
1750	CODE:	2304	CODE:
1751	if (txn)	2305	if (txn)
1752	txn->abort (txn);	2306	txn->abort (txn);
1753		2307
1754	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2308	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1755	CODE:	2309	CODE:
1756	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2310	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1757	OUTPUT:	2311	OUTPUT:
1758	RETVAL	2312	RETVAL
1759		2313
		2314	int failed (DB_TXN *txn)
		2315	CODE:
		2316	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2317	OUTPUT:
		2318	RETVAL
		2319
1760		2320
1761	MODULE = BDB PACKAGE = BDB::Cursor	2321	MODULE = BDB PACKAGE = BDB::Cursor
1762		2322
1763	void	2323	void
1764	DESTROY (DBC_ornull *dbc)	2324	DESTROY (DBC_ornuked *dbc)
1765	CODE:	2325	CODE:
1766	if (dbc)	2326	if (dbc)
1767	dbc->c_close (dbc);	2327	dbc->c_close (dbc);
1768		2328
		2329	#if DB_VERSION_MINOR >= 6
		2330
		2331	int set_priority (DBC *dbc, int priority)
		2332	CODE:
		2333	dbc->set_priority (dbc, priority);
		2334
		2335	#endif
		2336
		2337	#if DB_VERSION_MINOR >= 3
		2338
1769	MODULE = BDB PACKAGE = BDB::Sequence	2339	MODULE = BDB PACKAGE = BDB::Sequence
1770		2340
1771	void	2341	void
1772	DESTROY (DB_SEQUENCE_ornull *seq)	2342	DESTROY (DB_SEQUENCE_ornuked *seq)
1773	CODE:	2343	CODE:
1774	if (seq)	2344	if (seq)
1775	seq->close (seq, 0);	2345	seq->close (seq, 0);
1776		2346
1777	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2347	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1796	CODE:	2366	CODE:
1797	RETVAL = seq->set_range (seq, min, max);	2367	RETVAL = seq->set_range (seq, min, max);
1798	OUTPUT:	2368	OUTPUT:
1799	RETVAL	2369	RETVAL
1800		2370
		2371	#endif
		2372
		2373

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