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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 1.54 by root, Fri Sep 26 02:03:48 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 SV SV_mutable;
34	* this is conservatice, likely most arches this runs	45
35	* on have atomic word read/writes.	46	typedef DB_ENV DB_ENV_ornull;
36	*/	47	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	48	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	49	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	50
40	# else	51	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB_TXN DB_TXN_ornuked;
		53	typedef DBC DBC_ornuked;
		54	typedef DB DB_ornuked;
		55
		56	#if DB_VERSION_MINOR >= 3
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		58	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	59	#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		60
50	typedef SV SV8; /* byte-sv, used for argument-checking */	61	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	62	typedef char *bdb_filename;
52		63
53	static SV *prepare_cb;	64	static SV *prepare_cb;
54		65
		66	#if DB_VERSION_MINOR >= 6
		67	# define c_close close
		68	# define c_count count
		69	# define c_del del
		70	# define c_dup dup
		71	# define c_get get
		72	# define c_pget pget
		73	# define c_put put
		74	#endif
		75
55	static inline char *	76	static char *
		77	get_bdb_filename (SV *sv)
		78	{
		79	if (!SvOK (sv))
		80	return 0;
		81
		82	#if _WIN32
		83	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		84	{
		85	STRLEN len;
		86	char *src = SvPVbyte (sv, len);
		87	SV *t1 = sv_newmortal ();
		88	SV *t2 = sv_newmortal ();
		89
		90	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		91	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		92
		93	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		94	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		95	SvPOK_only (t2);
		96	SvPVX (t2)[len] = 0;
		97	SvCUR_set (t2, len);
		98
		99	return SvPVX (t2);
		100	}
		101	#else
		102	return SvPVbyte_nolen (sv);
		103	#endif
		104	}
		105
		106	static void
		107	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		108	{
		109	printf ("err[%s]\n", msg);
		110	}
		111
		112	static void
		113	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		114	{
		115	printf ("msg[%s]\n", msg);
		116	}
		117
		118	static char *
56	strdup_ornull (const char *s)	119	strdup_ornull (const char *s)
57	{	120	{
58	return s ? strdup (s) : 0;	121	return s ? strdup (s) : 0;
59	}	122	}
60		123
61	inline void	124	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	125	sv_to_dbt (DBT *dbt, SV *sv)
63	{	126	{
64	STRLEN len;	127	STRLEN len;
65	char *data = SvPVbyte (sv, len);	128	char *data = SvPVbyte (sv, len);
66		129
67	dbt->data = malloc (len);	130	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	131	memcpy (dbt->data, data, len);
69	dbt->size = len;	132	dbt->size = len;
		133	dbt->flags = DB_DBT_REALLOC;
70	}	134	}
71		135
72	inline void	136	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	137	dbt_to_sv (SV *sv, DBT *dbt)
74	{	138	{
		139	if (sv)
		140	{
75	SvREADONLY_off (sv);	141	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	142	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
		143	SvREFCNT_dec (sv);
		144	}
77		145
		146	if (dbt->flags & DB_DBT_MALLOC)
78	free (dbt->data);	147	free (dbt->data);
79	}	148	}
80		149
81	enum {	150	enum {
82	REQ_QUIT,	151	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		153	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,	154	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		155	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,	156	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		157	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		158	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
86	};	159	};
87		160
88	typedef struct aio_cb	161	typedef struct bdb_cb
89	{	162	{
90	struct aio_cb *volatile next;	163	struct bdb_cb *volatile next;
91	SV *callback;	164	SV *callback;
92	int type, pri, result;	165	int type, pri, result;
93		166
94	DB_ENV *env;	167	DB_ENV *env;
95	DB *db;	168	DB *db;
96	DB_TXN *txn;	169	DB_TXN *txn;
97	DBC *cursor;	170	DBC *dbc;
		171
		172	UV uv1;
98	int int1, int2;	173	int int1, int2;
99	U32 uint1, uint2;	174	U32 uint1, uint2;
100	char *buf1, *buf2;	175	char *buf1, *buf2, *buf3;
101	SV *sv1, *sv2;	176	SV *sv1, *sv2, *sv3;
102		177
103	DBT dbt1, dbt2, dbt3;	178	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	179	DB_KEY_RANGE key_range;
		180	#if DB_VERSION_MINOR >= 3
		181	DB_SEQUENCE *seq;
		182	db_seq_t seq_t;
		183	#endif
105		184
		185	SV *rsv1, *rsv2; // keep some request objects alive
		186	} bdb_cb;
		187
106	typedef aio_cb *aio_req;	188	typedef bdb_cb *bdb_req;
107		189
108	enum {	190	enum {
109	PRI_MIN = -4,	191	PRI_MIN = -4,
110	PRI_MAX = 4,	192	PRI_MAX = 4,
111		193
…		…
114	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	196	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
115	};	197	};
116		198
117	#define AIO_TICKS ((1000000 + 1023) >> 10)	199	#define AIO_TICKS ((1000000 + 1023) >> 10)
118		200
		201	static SV *on_next_submit;
		202
119	static unsigned int max_poll_time = 0;	203	static unsigned int max_poll_time = 0;
120	static unsigned int max_poll_reqs = 0;	204	static unsigned int max_poll_reqs = 0;
121		205
122	/* calculcate time difference in ~1/AIO_TICKS of a second */	206	/* calculcate time difference in ~1/AIO_TICKS of a second */
123	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	207	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
128		212
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	213	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		214
131	static unsigned int started, idle, wanted;	215	static unsigned int started, idle, wanted;
132		216
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 */	217	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	218	static mutex_t wrklock = X_MUTEX_INIT;
144		219
145	typedef struct worker {	220	typedef struct worker {
146	/* locked by wrklock */	221	/* locked by wrklock */
147	struct worker *prev, *next;	222	struct worker *prev, *next;
148		223
149	pthread_t tid;	224	thread_t tid;
150		225
151	/* locked by reslock, reqlock or wrklock */	226	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	227	bdb_req req; /* currently processed request */
153	void *dbuf;	228	void *dbuf;
154	DIR *dirp;	229	DIR *dirp;
155	} worker;	230	} worker;
156		231
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	232	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	244	}
170		245
171	static volatile unsigned int nreqs, nready, npending;	246	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	247	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	248	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	249	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		250
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	251	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	252	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	253	static cond_t reqwait = X_COND_INIT;
179		254
180	#if WORDACCESS_UNSAFE	255	#if WORDACCESS_UNSAFE
181		256
182	static unsigned int get_nready ()	257	static unsigned int get_nready (void)
183	{	258	{
184	unsigned int retval;	259	unsigned int retval;
185		260
186	LOCK (reqlock);	261	X_LOCK (reqlock);
187	retval = nready;	262	retval = nready;
188	UNLOCK (reqlock);	263	X_UNLOCK (reqlock);
189		264
190	return retval;	265	return retval;
191	}	266	}
192		267
193	static unsigned int get_npending ()	268	static unsigned int get_npending (void)
194	{	269	{
195	unsigned int retval;	270	unsigned int retval;
196		271
197	LOCK (reslock);	272	X_LOCK (reslock);
198	retval = npending;	273	retval = npending;
199	UNLOCK (reslock);	274	X_UNLOCK (reslock);
200		275
201	return retval;	276	return retval;
202	}	277	}
203		278
204	static unsigned int get_nthreads ()	279	static unsigned int get_nthreads (void)
205	{	280	{
206	unsigned int retval;	281	unsigned int retval;
207		282
208	LOCK (wrklock);	283	X_LOCK (wrklock);
209	retval = started;	284	retval = started;
210	UNLOCK (wrklock);	285	X_UNLOCK (wrklock);
211		286
212	return retval;	287	return retval;
213	}	288	}
214		289
215	#else	290	#else
…		…
224	* a somewhat faster data structure might be nice, but	299	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	300	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	301	* per shift, the most expensive operation.
227	*/	302	*/
228	typedef struct {	303	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	304	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	305	int size;
231	} reqq;	306	} reqq;
232		307
233	static reqq req_queue;	308	static reqq req_queue;
234	static reqq res_queue;	309	static reqq res_queue;
235		310
236	int reqq_push (reqq *q, aio_req req)	311	int reqq_push (reqq *q, bdb_req req)
237	{	312	{
238	int pri = req->pri;	313	int pri = req->pri;
239	req->next = 0;	314	req->next = 0;
240		315
241	if (q->qe[pri])	316	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	322	q->qe[pri] = q->qs[pri] = req;
248		323
249	return q->size++;	324	return q->size++;
250	}	325	}
251		326
252	aio_req reqq_shift (reqq *q)	327	bdb_req reqq_shift (reqq *q)
253	{	328	{
254	int pri;	329	int pri;
255		330
256	if (!q->size)	331	if (!q->size)
257	return 0;	332	return 0;
258		333
259	--q->size;	334	--q->size;
260		335
261	for (pri = NUM_PRI; pri--; )	336	for (pri = NUM_PRI; pri--; )
262	{	337	{
263	aio_req req = q->qs[pri];	338	bdb_req req = q->qs[pri];
264		339
265	if (req)	340	if (req)
266	{	341	{
267	if (!(q->qs[pri] = req->next))	342	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	343	q->qe[pri] = 0;
…		…
272	}	347	}
273		348
274	abort ();	349	abort ();
275	}	350	}
276		351
277	static int poll_cb ();	352	static int poll_cb (void);
278	static void req_free (aio_req req);	353	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	354	static void req_cancel (bdb_req req);
280		355
281	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
282	{	357	{
283	dSP;	358	switch (req->type)
284
285	if (SvOK (req->callback))
286	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	SvREADONLY_off (req->sv1);
		384	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		385	SvREFCNT_dec (req->sv1);
		386	}
		387	break;
		388
		389	#if DB_VERSION_MINOR >= 3
		390	case REQ_SEQ_GET:
		391	SvREADONLY_off (req->sv1);
		392
		393	if (sizeof (IV) > 4)
		394	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		395	else
		396	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		397
		398	SvREFCNT_dec (req->sv1);
		399	break;
		400	#endif
		401	}
		402
		403	errno = req->result;
		404
		405	if (req->callback)
		406	{
		407	dSP;
		408
287	ENTER;	409	ENTER;
288	SAVETMPS;	410	SAVETMPS;
289	PUSHMARK (SP);	411	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		412
307	PUTBACK;	413	PUTBACK;
308	call_sv (req->callback, G_VOID | G_EVAL);	414	call_sv (req->callback, G_VOID | G_EVAL);
309	SPAGAIN;	415	SPAGAIN;
310		416
311	FREETMPS;	417	FREETMPS;
312	LEAVE;	418	LEAVE;
		419
		420	return !SvTRUE (ERRSV);
313	}	421	}
314		422
315	return !SvTRUE (ERRSV);	423	return 1;
316	}	424	}
317		425
318	static void req_free (aio_req req)	426	static void req_free (bdb_req req)
319	{	427	{
		428	SvREFCNT_dec (req->callback);
		429
		430	SvREFCNT_dec (req->rsv1);
		431	SvREFCNT_dec (req->rsv2);
		432
320	free (req->buf1);	433	free (req->buf1);
321	free (req->buf2);	434	free (req->buf2);
		435	free (req->buf3);
		436
322	Safefree (req);	437	Safefree (req);
323	}	438	}
324		439
325	static void *aio_proc (void *arg);	440	#ifdef USE_SOCKETS_AS_HANDLES
		441	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		442	#else
		443	# define TO_SOCKET(x) (x)
		444	#endif
		445
		446	static void
		447	create_respipe (void)
		448	{
		449	#ifdef _WIN32
		450	int arg; /* argg */
		451	#endif
		452	int old_readfd = respipe [0];
		453
		454	if (respipe [1] >= 0)
		455	respipe_close (TO_SOCKET (respipe [1]));
		456
		457	#ifdef _WIN32
		458	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		459	#else
		460	if (pipe (respipe))
		461	#endif
		462	croak ("unable to initialize result pipe");
		463
		464	if (old_readfd >= 0)
		465	{
		466	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		467	croak ("unable to initialize result pipe(2)");
		468
		469	respipe_close (respipe [0]);
		470	respipe [0] = old_readfd;
		471	}
		472
		473	#ifdef _WIN32
		474	arg = 1;
		475	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		476	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		477	#else
		478	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		479	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		480	#endif
		481	croak ("unable to initialize result pipe(3)");
		482
		483	respipe_osf [0] = TO_SOCKET (respipe [0]);
		484	respipe_osf [1] = TO_SOCKET (respipe [1]);
		485	}
		486
		487	static void bdb_request (bdb_req req);
		488	X_THREAD_PROC (bdb_proc);
326		489
327	static void start_thread (void)	490	static void start_thread (void)
328	{	491	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	492	worker *wrk = calloc (1, sizeof (worker));
333		493
334	if (!wrk)	494	if (!wrk)
335	croak ("unable to allocate worker thread data");	495	croak ("unable to allocate worker thread data");
336		496
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);	497	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	498	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	499	{
350	wrk->prev = &wrk_first;	500	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	501	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	502	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	503	wrk_first.next = wrk;
354	++started;	504	++started;
355	}	505	}
356	else	506	else
357	free (wrk);	507	free (wrk);
358		508
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	509	X_UNLOCK (wrklock);
361	}	510	}
362		511
363	static void maybe_start_thread ()	512	static void maybe_start_thread (void)
364	{	513	{
365	if (get_nthreads () >= wanted)	514	if (get_nthreads () >= wanted)
366	return;	515	return;
367		516
368	/* todo: maybe use idle here, but might be less exact */	517	/* todo: maybe use idle here, but might be less exact */
…		…
370	return;	519	return;
371		520
372	start_thread ();	521	start_thread ();
373	}	522	}
374		523
375	static void req_send (aio_req req)	524	static void req_send (bdb_req req)
376	{	525	{
377	SV *wait_callback = 0;	526	SV *wait_callback = 0;
378		527
379	// synthesize callback if none given	528	if (on_next_submit)
380	if (!SvOK (req->callback))
381	{	529	{
382	dSP;	530	dSP;
		531	SV *cb = sv_2mortal (on_next_submit);
		532
		533	on_next_submit = 0;
		534
383	PUSHMARK (SP);	535	PUSHMARK (SP);
384	PUTBACK;	536	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	537	call_sv (cb, G_DISCARD | G_EVAL);
386	SPAGAIN;	538	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	}	539	}
395		540
		541	// synthesize callback if none given
		542	if (!req->callback)
		543	{
		544	if (SvOK (prepare_cb))
		545	{
		546	int count;
		547
		548	dSP;
		549	PUSHMARK (SP);
		550	PUTBACK;
		551	count = call_sv (prepare_cb, G_ARRAY);
		552	SPAGAIN;
		553
		554	if (count != 2)
		555	croak ("sync prepare callback must return exactly two values\n");
		556
		557	wait_callback = POPs;
		558	req->callback = SvREFCNT_inc (POPs);
		559	}
		560	else
		561	{
		562	// execute request synchronously
		563	bdb_request (req);
		564	req_invoke (req);
		565	req_free (req);
		566	return;
		567	}
		568	}
		569
396	++nreqs;	570	++nreqs;
397		571
398	LOCK (reqlock);	572	X_LOCK (reqlock);
399	++nready;	573	++nready;
400	reqq_push (&req_queue, req);	574	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	575	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	576	X_UNLOCK (reqlock);
403		577
404	maybe_start_thread ();	578	maybe_start_thread ();
405		579
406	if (wait_callback)	580	if (wait_callback)
407	{	581	{
408	dSP;	582	dSP;
409	PUSHMARK (SP);	583	PUSHMARK (SP);
410	PUTBACK;	584	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	585	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	586	}
414	}	587	}
415		588
416	static void end_thread (void)	589	static void end_thread (void)
417	{	590	{
418	aio_req req;	591	bdb_req req = calloc (1, sizeof (bdb_cb));
419
420	Newz (0, req, 1, aio_cb);
421		592
422	req->type = REQ_QUIT;	593	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	594	req->pri = PRI_MAX + PRI_BIAS;
424		595
425	LOCK (reqlock);	596	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	597	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	598	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	599	X_UNLOCK (reqlock);
429		600
430	LOCK (wrklock);	601	X_LOCK (wrklock);
431	--started;	602	--started;
432	UNLOCK (wrklock);	603	X_UNLOCK (wrklock);
433	}	604	}
434		605
435	static void set_max_idle (int nthreads)	606	static void set_max_idle (int nthreads)
436	{	607	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	608	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	609	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	610	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	611	}
441		612
442	static void min_parallel (int nthreads)	613	static void min_parallel (int nthreads)
443	{	614	{
444	if (wanted < nthreads)	615	if (wanted < nthreads)
…		…
452		623
453	while (started > wanted)	624	while (started > wanted)
454	end_thread ();	625	end_thread ();
455	}	626	}
456		627
457	static void poll_wait ()	628	static void poll_wait (void)
458	{	629	{
459	fd_set rfd;	630	fd_set rfd;
460		631
461	while (nreqs)	632	while (nreqs)
462	{	633	{
463	int size;	634	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	635	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	636	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	637	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		638
468	if (size)	639	if (size)
469	return;	640	return;
470		641
471	maybe_start_thread ();	642	maybe_start_thread ();
472		643
473	FD_ZERO(&rfd);	644	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	645	FD_SET (respipe [0], &rfd);
475		646
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	647	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	648	}
478	}	649	}
479		650
480	static int poll_cb ()	651	static int poll_cb (void)
481	{	652	{
482	dSP;	653	dSP;
483	int count = 0;	654	int count = 0;
484	int maxreqs = max_poll_reqs;	655	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	656	int do_croak = 0;
486	struct timeval tv_start, tv_now;	657	struct timeval tv_start, tv_now;
487	aio_req req;	658	bdb_req req;
488		659
489	if (max_poll_time)	660	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	661	gettimeofday (&tv_start, 0);
491		662
492	for (;;)	663	for (;;)
493	{	664	{
494	for (;;)	665	for (;;)
495	{	666	{
496	maybe_start_thread ();	667	maybe_start_thread ();
497		668
498	LOCK (reslock);	669	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	670	req = reqq_shift (&res_queue);
500		671
501	if (req)	672	if (req)
502	{	673	{
503	--npending;	674	--npending;
504		675
505	if (!res_queue.size)	676	if (!res_queue.size)
506	{	677	{
507	/* read any signals sent by the worker threads */	678	/* read any signals sent by the worker threads */
508	char buf [4];	679	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	680	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	681	;
511	}	682	}
512	}	683	}
513		684
514	UNLOCK (reslock);	685	X_UNLOCK (reslock);
515		686
516	if (!req)	687	if (!req)
517	break;	688	break;
518		689
519	--nreqs;	690	--nreqs;
…		…
549	}	720	}
550		721
551	return count;	722	return count;
552	}	723	}
553		724
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	/*****************************************************************************/	725	/*****************************************************************************/
567		726
568	static void *aio_proc (void *thr_arg)	727	static void
		728	bdb_request (bdb_req req)
569	{	729	{
		730	switch (req->type)
		731	{
		732	case REQ_ENV_OPEN:
		733	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		734	break;
		735
		736	case REQ_ENV_CLOSE:
		737	req->result = req->env->close (req->env, req->uint1);
		738	break;
		739
		740	case REQ_ENV_TXN_CHECKPOINT:
		741	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		742	break;
		743
		744	case REQ_ENV_LOCK_DETECT:
		745	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		746	break;
		747
		748	case REQ_ENV_MEMP_SYNC:
		749	req->result = req->env->memp_sync (req->env, 0);
		750	break;
		751
		752	case REQ_ENV_MEMP_TRICKLE:
		753	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		754	break;
		755
		756	case REQ_ENV_DBREMOVE:
		757	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		758	break;
		759
		760	case REQ_ENV_DBRENAME:
		761	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		762	break;
		763
		764	case REQ_DB_OPEN:
		765	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		766	break;
		767
		768	case REQ_DB_CLOSE:
		769	req->result = req->db->close (req->db, req->uint1);
		770	break;
		771
		772	#if DB_VERSION_MINOR >= 4
		773	case REQ_DB_COMPACT:
		774	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		775	break;
		776	#endif
		777
		778	case REQ_DB_SYNC:
		779	req->result = req->db->sync (req->db, req->uint1);
		780	break;
		781
		782	case REQ_DB_UPGRADE:
		783	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		784	break;
		785
		786	case REQ_DB_PUT:
		787	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		788	break;
		789
		790	#if DB_VERSION_MINOR >= 6
		791	case REQ_DB_EXISTS:
		792	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		793	break;
		794	#endif
		795	case REQ_DB_GET:
		796	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		797	break;
		798
		799	case REQ_DB_PGET:
		800	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		801	break;
		802
		803	case REQ_DB_DEL:
		804	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		805	break;
		806
		807	case REQ_DB_KEY_RANGE:
		808	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		809	break;
		810
		811	case REQ_TXN_COMMIT:
		812	req->result = req->txn->commit (req->txn, req->uint1);
		813	break;
		814
		815	case REQ_TXN_ABORT:
		816	req->result = req->txn->abort (req->txn);
		817	break;
		818
		819	case REQ_TXN_FINISH:
		820	if (req->txn->flags & TXN_DEADLOCK)
		821	{
		822	req->result = req->txn->abort (req->txn);
		823	if (!req->result)
		824	req->result = DB_LOCK_DEADLOCK;
		825	}
		826	else
		827	req->result = req->txn->commit (req->txn, req->uint1);
		828	break;
		829
		830	case REQ_C_CLOSE:
		831	req->result = req->dbc->c_close (req->dbc);
		832	break;
		833
		834	case REQ_C_COUNT:
		835	{
		836	db_recno_t recno;
		837	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		838	req->uv1 = recno;
		839	}
		840	break;
		841
		842	case REQ_C_PUT:
		843	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		844	break;
		845
		846	case REQ_C_GET:
		847	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		848	break;
		849
		850	case REQ_C_PGET:
		851	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		852	break;
		853
		854	case REQ_C_DEL:
		855	req->result = req->dbc->c_del (req->dbc, req->uint1);
		856	break;
		857
		858	#if DB_VERSION_MINOR >= 3
		859	case REQ_SEQ_OPEN:
		860	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		861	break;
		862
		863	case REQ_SEQ_CLOSE:
		864	req->result = req->seq->close (req->seq, req->uint1);
		865	break;
		866
		867	case REQ_SEQ_GET:
		868	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		869	break;
		870
		871	case REQ_SEQ_REMOVE:
		872	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		873	break;
		874	#endif
		875
		876	default:
		877	req->result = ENOSYS;
		878	break;
		879	}
		880
		881	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		882	req->txn->flags |= TXN_DEADLOCK;
		883	}
		884
		885	X_THREAD_PROC (bdb_proc)
		886	{
570	aio_req req;	887	bdb_req req;
571	struct timespec ts;	888	struct timespec ts;
572	worker *self = (worker *)thr_arg;	889	worker *self = (worker *)thr_arg;
573		890
574	/* try to distribute timeouts somewhat evenly */	891	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	892	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		893
578	for (;;)	894	for (;;)
579	{	895	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	896	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		897
582	LOCK (reqlock);	898	X_LOCK (reqlock);
583		899
584	for (;;)	900	for (;;)
585	{	901	{
586	self->req = req = reqq_shift (&req_queue);	902	self->req = req = reqq_shift (&req_queue);
587		903
588	if (req)	904	if (req)
589	break;	905	break;
590		906
591	++idle;	907	++idle;
592		908
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	909	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	910	== ETIMEDOUT)
595	{	911	{
596	if (idle > max_idle)	912	if (idle > max_idle)
597	{	913	{
598	--idle;	914	--idle;
599	UNLOCK (reqlock);	915	X_UNLOCK (reqlock);
600	LOCK (wrklock);	916	X_LOCK (wrklock);
601	--started;	917	--started;
602	UNLOCK (wrklock);	918	X_UNLOCK (wrklock);
603	goto quit;	919	goto quit;
604	}	920	}
605		921
606	/* we are allowed to idle, so do so without any timeout */	922	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	923	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	924	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	925	}
610		926
611	--idle;	927	--idle;
612	}	928	}
613		929
614	--nready;	930	--nready;
615		931
616	UNLOCK (reqlock);	932	X_UNLOCK (reqlock);
617		933
618	switch (req->type)	934	if (req->type == REQ_QUIT)
619	{	935	{
620	case REQ_QUIT:	936	X_LOCK (reslock);
		937	free (req);
		938	self->req = 0;
		939	X_UNLOCK (reslock);
		940
621	goto quit;	941	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	}	942	}
671		943
		944	bdb_request (req);
		945
672	LOCK (reslock);	946	X_LOCK (reslock);
673		947
674	++npending;	948	++npending;
675		949
676	if (!reqq_push (&res_queue, req))	950	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	951	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	952	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		953
680	self->req = 0;	954	self->req = 0;
681	worker_clear (self);	955	worker_clear (self);
682		956
683	UNLOCK (reslock);	957	X_UNLOCK (reslock);
684	}	958	}
685		959
686	quit:	960	quit:
687	LOCK (wrklock);	961	X_LOCK (wrklock);
688	worker_free (self);	962	worker_free (self);
689	UNLOCK (wrklock);	963	X_UNLOCK (wrklock);
690		964
691	return 0;	965	return 0;
692	}	966	}
693		967
694	/*****************************************************************************/	968	/*****************************************************************************/
695		969
696	static void atfork_prepare (void)	970	static void atfork_prepare (void)
697	{	971	{
698	LOCK (wrklock);	972	X_LOCK (wrklock);
699	LOCK (reqlock);	973	X_LOCK (reqlock);
700	LOCK (reslock);	974	X_LOCK (reslock);
701	}	975	}
702		976
703	static void atfork_parent (void)	977	static void atfork_parent (void)
704	{	978	{
705	UNLOCK (reslock);	979	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	980	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	981	X_UNLOCK (wrklock);
708	}	982	}
709		983
710	static void atfork_child (void)	984	static void atfork_child (void)
711	{	985	{
712	aio_req prv;	986	bdb_req prv;
713		987
714	while (prv = reqq_shift (&req_queue))	988	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	989	req_free (prv);
716		990
717	while (prv = reqq_shift (&res_queue))	991	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	1006	idle = 0;
733	nreqs = 0;	1007	nreqs = 0;
734	nready = 0;	1008	nready = 0;
735	npending = 0;	1009	npending = 0;
736		1010
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	1011	create_respipe ();
740		1012
741	atfork_parent ();	1013	atfork_parent ();
742	}	1014	}
743		1015
744	#define dREQ(reqtype) \	1016	#define dREQ(reqtype,rsvcnt) \
745	aio_req req; \	1017	bdb_req req; \
746	int req_pri = next_pri; \	1018	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	1019	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	1020	\
749	if (SvOK (callback) && !SvROK (callback)) \	1021	if (callback && SvOK (callback)) \
750	croak ("callback must be undef or of reference type"); \	1022	croak ("callback has illegal type or extra arguments"); \
751	\	1023	\
752	Newz (0, req, 1, aio_cb); \	1024	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	1025	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	1026	croak ("out of memory during bdb_req allocation"); \
755	\	1027	\
756	req->callback = newSVsv (callback); \	1028	req->callback = SvREFCNT_inc (cb); \
757	req->type = (reqtype); \	1029	req->type = (reqtype); \
758	req->pri = req_pri	1030	req->pri = req_pri; \
		1031	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1032	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1033	(void)0;
759		1034
760	#define REQ_SEND \	1035	#define REQ_SEND \
761	req_send (req)	1036	req_send (req)
762		1037
763	#define SvPTR(var, arg, type, class, nullok) \	1038	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	1039	if (!SvOK (arg)) \
765	{ \	1040	{ \
766	if (!nullok) \	1041	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	1042	croak (# var " must be a " # class " object, not undef"); \
768	\	1043	\
769	(var) = 0; \	1044	(var) = 0; \
770	} \	1045	} \
771	else if (sv_derived_from ((arg), # class)) \	1046	else if (sv_derived_from ((arg), # class)) \
772	{ \	1047	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	1048	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	1049	(var) = INT2PTR (type, tmp); \
775	if (!var) \	1050	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	1051	croak (# var " is not a valid " # class " object anymore"); \
777	} \	1052	} \
778	else \	1053	else \
779	Perl_croak (# var " is not of type " # class); \	1054	croak (# var " is not of type " # class);
780	\	1055
		1056	#define ARG_MUTABLE(name) \
		1057	if (SvREADONLY (name)) \
		1058	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
781		1059
782	static void	1060	static void
783	ptr_nuke (SV *sv)	1061	ptr_nuke (SV *sv)
784	{	1062	{
785	assert (SvROK (sv));	1063	assert (SvROK (sv));
786	sv_setiv (SvRV (sv), 0);	1064	sv_setiv (SvRV (sv), 0);
787	}	1065	}
		1066
		1067	static int
		1068	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1069	{
		1070	if (*mg->mg_ptr == '!') // should always be the case
		1071	if (-30999 <= errno && errno <= -30800)
		1072	{
		1073	sv_setnv (sv, (NV)errno);
		1074	sv_setpv (sv, db_strerror (errno));
		1075	SvNOK_on (sv); /* what a wonderful hack! */
		1076	// ^^^ copied from perl sources
		1077	return 0;
		1078	}
		1079
		1080	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1081	}
		1082
		1083	static MGVTBL vtbl_errno;
		1084
		1085	// this wonderful hack :( patches perl's $! variable to support our errno values
		1086	static void
		1087	patch_errno (void)
		1088	{
		1089	SV *sv;
		1090	MAGIC *mg;
		1091
		1092	if (!(sv = get_sv ("!", 1)))
		1093	return;
		1094
		1095	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1096	return;
		1097
		1098	if (mg->mg_virtual != &PL_vtbl_sv)
		1099	return;
		1100
		1101	vtbl_errno = PL_vtbl_sv;
		1102	vtbl_errno.svt_get = errno_get;
		1103	mg->mg_virtual = &vtbl_errno;
		1104	}
		1105
		1106	#if __GNUC__ >= 4
		1107	# define noinline __attribute__ ((noinline))
		1108	#else
		1109	# define noinline
		1110	#endif
		1111
		1112	static noinline SV *
		1113	pop_callback (I32 *ritems, SV *sv)
		1114	{
		1115	if (SvROK (sv))
		1116	{
		1117	HV *st;
		1118	GV *gvp;
		1119	CV *cv;
		1120	const char *name;
		1121
		1122	/* forgive me */
		1123	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1124	&& (st = SvSTASH (SvRV (sv)))
		1125	&& (name = HvNAME_get (st))
		1126	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1127	return 0;
		1128
		1129	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1130	{
		1131	--*ritems;
		1132	return (SV *)cv;
		1133	}
		1134	}
		1135
		1136	return 0;
		1137	}
		1138
		1139	/* stupid windoes defined CALLBACK as well */
		1140	#undef CALLBACK
		1141	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
788		1142
789	MODULE = BDB PACKAGE = BDB	1143	MODULE = BDB PACKAGE = BDB
790		1144
791	PROTOTYPES: ENABLE	1145	PROTOTYPES: ENABLE
792		1146
…		…
808	const_iv (INIT_TXN)	1162	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1163	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1164	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1165	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1166	const_iv (CREATE)
		1167	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1168	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1169	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1170	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1171	const_iv (PRIVATE)
817	const_iv (REGISTER)
818	const_iv (SYSTEM_MEM)	1172	const_iv (SYSTEM_MEM)
819	const_iv (AUTO_COMMIT)	1173	const_iv (AUTO_COMMIT)
820	const_iv (CDB_ALLDB)	1174	const_iv (CDB_ALLDB)
821	const_iv (DIRECT_DB)	1175	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)	1176	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1177	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1178	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1179	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1180	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1181	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1182	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1183	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1184	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1185	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1186	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1187	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1188	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1189	const_iv (XA_CREATE)
…		…
843	const_iv (HASH)	1191	const_iv (HASH)
844	const_iv (QUEUE)	1192	const_iv (QUEUE)
845	const_iv (RECNO)	1193	const_iv (RECNO)
846	const_iv (UNKNOWN)	1194	const_iv (UNKNOWN)
847	const_iv (EXCL)	1195	const_iv (EXCL)
848	const_iv (READ_COMMITTED)
849	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1196	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1197	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1198	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1199	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1200	const_iv (DUP)
856	const_iv (DUPSORT)	1201	const_iv (DUPSORT)
857	const_iv (RECNUM)	1202	const_iv (RECNUM)
858	const_iv (RENUMBER)	1203	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1204	const_iv (REVSPLITOFF)
860	const_iv (INORDER)
861	const_iv (CONSUME)	1205	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1206	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1207	const_iv (GET_BOTH)
		1208	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1209	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1210	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1211	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1212	const_iv (JOIN_ITEM)
		1213	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1214	const_iv (RMW)
869		1215
870	const_iv (NOTFOUND)	1216	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1217	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1218	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1219	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1220	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1221	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1222	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1223	const_iv (SECONDARY_BAD)
878
879	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)
881		1224
882	const_iv (APPEND)	1225	const_iv (APPEND)
883	const_iv (NODUPDATA)	1226	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1227	const_iv (NOOVERWRITE)
885		1228
886	const_iv (TXN_NOWAIT)	1229	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1230	const_iv (TXN_SYNC)
889		1231
890	const_iv (SET_LOCK_TIMEOUT)	1232	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1233	const_iv (SET_TXN_TIMEOUT)
		1234
		1235	const_iv (FIRST)
		1236	const_iv (NEXT)
		1237	const_iv (NEXT_DUP)
		1238	const_iv (NEXT_NODUP)
		1239	const_iv (PREV)
		1240	const_iv (PREV_NODUP)
		1241	const_iv (SET)
		1242	const_iv (SET_RANGE)
		1243	const_iv (LAST)
		1244	const_iv (BEFORE)
		1245	const_iv (AFTER)
		1246	const_iv (CURRENT)
		1247	const_iv (KEYFIRST)
		1248	const_iv (KEYLAST)
		1249	const_iv (NODUPDATA)
		1250
		1251	const_iv (FORCE)
		1252
		1253	const_iv (LOCK_DEFAULT)
		1254	const_iv (LOCK_EXPIRE)
		1255	const_iv (LOCK_MAXLOCKS)
		1256	const_iv (LOCK_MINLOCKS)
		1257	const_iv (LOCK_MINWRITE)
		1258	const_iv (LOCK_OLDEST)
		1259	const_iv (LOCK_RANDOM)
		1260	const_iv (LOCK_YOUNGEST)
		1261
		1262	const_iv (DONOTINDEX)
		1263	const_iv (KEYEMPTY )
		1264	const_iv (KEYEXIST )
		1265	const_iv (LOCK_DEADLOCK)
		1266	const_iv (LOCK_NOTGRANTED)
		1267	const_iv (NOSERVER)
		1268	const_iv (NOSERVER_HOME)
		1269	const_iv (NOSERVER_ID)
		1270	const_iv (NOTFOUND)
		1271	const_iv (PAGE_NOTFOUND)
		1272	const_iv (REP_DUPMASTER)
		1273	const_iv (REP_HANDLE_DEAD)
		1274	const_iv (REP_HOLDELECTION)
		1275	const_iv (REP_ISPERM)
		1276	const_iv (REP_NEWMASTER)
		1277	const_iv (REP_NEWSITE)
		1278	const_iv (REP_NOTPERM)
		1279	const_iv (REP_UNAVAIL)
		1280	const_iv (RUNRECOVERY)
		1281	const_iv (SECONDARY_BAD)
		1282	const_iv (VERIFY_BAD)
		1283
		1284	const_iv (VERB_DEADLOCK)
		1285	const_iv (VERB_RECOVERY)
		1286	const_iv (VERB_REPLICATION)
		1287	const_iv (VERB_WAITSFOR)
		1288
		1289	const_iv (VERSION_MAJOR)
		1290	const_iv (VERSION_MINOR)
		1291	const_iv (VERSION_PATCH)
		1292	#if DB_VERSION_MINOR >= 3
		1293	const_iv (INORDER)
		1294	const_iv (LOCK_MAXWRITE)
		1295	const_iv (SEQ_DEC)
		1296	const_iv (SEQ_INC)
		1297	const_iv (SEQ_WRAP)
		1298	const_iv (BUFFER_SMALL)
		1299	const_iv (LOG_BUFFER_FULL)
		1300	const_iv (VERSION_MISMATCH)
		1301	#endif
		1302	#if DB_VERSION_MINOR >= 4
		1303	const_iv (REGISTER)
		1304	const_iv (DSYNC_DB)
		1305	const_iv (READ_COMMITTED)
		1306	const_iv (READ_UNCOMMITTED)
		1307	const_iv (REP_IGNORE)
		1308	const_iv (REP_LOCKOUT)
		1309	const_iv (REP_JOIN_FAILURE)
		1310	const_iv (FREE_SPACE)
		1311	const_iv (FREELIST_ONLY)
		1312	const_iv (VERB_REGISTER)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 5
		1315	const_iv (MULTIVERSION)
		1316	const_iv (TXN_SNAPSHOT)
		1317	#endif
		1318	#if DB_VERSION_MINOR >= 6
		1319	const_iv (PREV_DUP)
		1320	const_iv (PRIORITY_UNCHANGED)
		1321	const_iv (PRIORITY_VERY_LOW)
		1322	const_iv (PRIORITY_LOW)
		1323	const_iv (PRIORITY_DEFAULT)
		1324	const_iv (PRIORITY_HIGH)
		1325	const_iv (PRIORITY_VERY_HIGH)
		1326	#endif
		1327	#if DB_VERSION_MINOR >= 7
		1328	const_iv (LOG_DIRECT)
		1329	const_iv (LOG_DSYNC)
		1330	const_iv (LOG_AUTO_REMOVE)
		1331	const_iv (LOG_IN_MEMORY)
		1332	const_iv (LOG_ZERO)
		1333	#else
		1334	const_iv (DIRECT_LOG)
		1335	const_iv (LOG_AUTOREMOVE)
		1336	# if DB_VERSION_MINOR >= 3
		1337	const_iv (DSYNC_LOG)
		1338	const_iv (LOG_INMEMORY)
		1339	# endif
		1340	#endif
892	};	1341	};
893		1342
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1343	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1344	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1345
897	create_pipe ();	1346	prepare_cb = &PL_sv_undef;
		1347
		1348	{
		1349	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1350	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1351
		1352	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1353	}
		1354
		1355	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1356
		1357	create_respipe ();
		1358
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1359	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1360	patch_errno ();
899	}	1361	}
900		1362
901	void	1363	void
902	max_poll_reqs (int nreqs)	1364	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1365	PROTOTYPE: $
…		…
1022		1484
1023	int	1485	int
1024	nthreads ()	1486	nthreads ()
1025	PROTOTYPE:	1487	PROTOTYPE:
1026	CODE:	1488	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1489	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1490	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1491	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1492	OUTPUT:
1031	RETVAL	1493	RETVAL
1032		1494
1033	void	1495	SV *
1034	set_sync_prepare (SV *cb)	1496	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1497	PROTOTYPE: &
1036	CODE:	1498	CODE:
1037	SvREFCNT_dec (prepare_cb);	1499	RETVAL = prepare_cb;
1038	prepare_cb = newSVsv (cb);	1500	prepare_cb = newSVsv (cb);
		1501	OUTPUT:
		1502	RETVAL
		1503
		1504	char *
		1505	strerror (int errorno = errno)
		1506	PROTOTYPE: ;$
		1507	CODE:
		1508	RETVAL = db_strerror (errorno);
		1509	OUTPUT:
		1510	RETVAL
		1511
		1512	void _on_next_submit (SV *cb)
		1513	CODE:
		1514	SvREFCNT_dec (on_next_submit);
		1515	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1039		1516
1040	DB_ENV *	1517	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1518	db_env_create (U32 env_flags = 0)
1042	CODE:	1519	CODE:
1043	{	1520	{
1044	errno = db_env_create (&RETVAL, env_flags);	1521	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1522	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1523	croak ("db_env_create: %s", db_strerror (errno));
		1524
		1525	if (0)
		1526	{
		1527	RETVAL->set_errcall (RETVAL, debug_errcall);
		1528	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1529	}
1047	}	1530	}
1048	OUTPUT:	1531	OUTPUT:
1049	RETVAL	1532	RETVAL
1050		1533
1051	void	1534	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1535	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
1053	CODE:	1538	CODE:
1054	{	1539	{
1055	dREQ (REQ_ENV_OPEN);	1540	dREQ (REQ_ENV_OPEN, 1);
1056	req->env = env;	1541	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1542	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1543	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1544	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1545	REQ_SEND;
1061	}	1546	}
1062		1547
1063	void	1548	void
1064	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1549	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
1065	CODE:	1552	CODE:
1066	{	1553	{
		1554	ptr_nuke (ST (0));
1067	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 0);
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	}
		1560
		1561	void
		1562	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1563	PREINIT:
		1564	CALLBACK
		1565	CODE:
		1566	{
		1567	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1568	req->env = env;
		1569	req->uint1 = kbyte;
		1570	req->int1 = min;
		1571	req->uint2 = flags;
		1572	REQ_SEND;
		1573	}
		1574
		1575	void
		1576	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1577	PREINIT:
		1578	CALLBACK
		1579	CODE:
		1580	{
		1581	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1582	req->env = env;
		1583	req->uint1 = flags;
		1584	req->uint2 = atype;
		1585	/* req->int2 = 0; dummy */
		1586	REQ_SEND;
		1587	}
		1588
		1589	void
		1590	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1591	PREINIT:
		1592	CALLBACK
		1593	CODE:
		1594	{
		1595	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1596	req->env = env;
		1597	REQ_SEND;
		1598	}
		1599
		1600	void
		1601	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1602	PREINIT:
		1603	CALLBACK
		1604	CODE:
		1605	{
		1606	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1607	req->env = env;
		1608	req->int1 = percent;
		1609	REQ_SEND;
		1610	}
		1611
		1612	void
		1613	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1614	PREINIT:
		1615	CALLBACK
		1616	CODE:
		1617	{
		1618	dREQ (REQ_ENV_DBREMOVE, 2);
		1619	req->env = env;
		1620	req->buf1 = strdup_ornull (file);
		1621	req->buf2 = strdup_ornull (database);
		1622	req->uint1 = flags;
		1623	REQ_SEND;
		1624	}
		1625
		1626	void
		1627	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)
		1628	PREINIT:
		1629	CALLBACK
		1630	CODE:
		1631	{
		1632	dREQ (REQ_ENV_DBRENAME, 2);
		1633	req->env = env;
		1634	req->buf1 = strdup_ornull (file);
		1635	req->buf2 = strdup_ornull (database);
		1636	req->buf3 = strdup_ornull (newname);
		1637	req->uint1 = flags;
		1638	REQ_SEND;
1072	}	1639	}
1073		1640
1074	DB *	1641	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1642	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1643	CODE:
1077	{	1644	{
1078	errno = db_create (&RETVAL, env, flags);	1645	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1646	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1647	croak ("db_create: %s", db_strerror (errno));
1081		1648
1082	if (RETVAL)	1649	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1650	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1651	}
1085	OUTPUT:	1652	OUTPUT:
1086	RETVAL	1653	RETVAL
1087		1654
1088	void	1655	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)	1656	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
1090	CODE:	1659	CODE:
1091	{	1660	{
1092	dREQ (REQ_DB_OPEN);	1661	dREQ (REQ_DB_OPEN, 2);
1093	req->db = db;	1662	req->db = db;
1094	req->txn = txnid;	1663	req->txn = txnid;
1095	req->buf1 = strdup_ornull (file);	1664	req->buf1 = strdup_ornull (file);
1096	req->buf2 = strdup_ornull (database);	1665	req->buf2 = strdup_ornull (database);
1097	req->int1 = type;	1666	req->int1 = type;
…		…
1099	req->int2 = mode;	1668	req->int2 = mode;
1100	REQ_SEND;	1669	REQ_SEND;
1101	}	1670	}
1102		1671
1103	void	1672	void
1104	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1673	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1674	PREINIT:
		1675	CALLBACK
1105	CODE:	1676	CODE:
1106	{	1677	{
		1678	ptr_nuke (ST (0));
1107	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 0);
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));
1113	}	1684	}
1114		1685
		1686	#if DB_VERSION_MINOR >= 4
		1687
1115	void	1688	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)	1689	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)
		1690	PREINIT:
		1691	CALLBACK
1117	CODE:	1692	CODE:
1118	{	1693	{
1119	dREQ (REQ_DB_COMPACT);	1694	dREQ (REQ_DB_COMPACT, 2);
1120	req->db = db;	1695	req->db = db;
1121	req->txn = txn;	1696	req->txn = txn;
1122	sv_to_dbt (&req->dbt1, start);	1697	sv_to_dbt (&req->dbt1, start);
1123	sv_to_dbt (&req->dbt2, stop);	1698	sv_to_dbt (&req->dbt2, stop);
1124	req->uint1 = flags;	1699	req->uint1 = flags;
1125	REQ_SEND;	1700	REQ_SEND;
1126	}	1701	}
1127		1702
		1703	#endif
		1704
1128	void	1705	void
1129	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1706	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1707	PREINIT:
		1708	CALLBACK
1130	CODE:	1709	CODE:
1131	{	1710	{
1132	dREQ (REQ_DB_SYNC);	1711	dREQ (REQ_DB_SYNC, 1);
1133	req->db = db;	1712	req->db = db;
1134	req->uint1 = flags;	1713	req->uint1 = flags;
1135	REQ_SEND;	1714	REQ_SEND;
1136	}	1715	}
1137		1716
1138	void	1717	void
		1718	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1719	PREINIT:
		1720	CALLBACK
		1721	CODE:
		1722	{
		1723	dREQ (REQ_DB_SYNC, 1);
		1724	req->db = db;
		1725	req->buf1 = strdup (file);
		1726	req->uint1 = flags;
		1727	REQ_SEND;
		1728	}
		1729
		1730	void
		1731	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1732	PREINIT:
		1733	CALLBACK
		1734	CODE:
		1735	{
		1736	dREQ (REQ_DB_KEY_RANGE, 2);
		1737	req->db = db;
		1738	req->txn = txn;
		1739	sv_to_dbt (&req->dbt1, key);
		1740	req->uint1 = flags;
		1741	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1742	REQ_SEND;
		1743	}
		1744
		1745	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1746	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
1140	CODE:	1749	CODE:
1141	{	1750	{
1142	dREQ (REQ_DB_PUT);	1751	dREQ (REQ_DB_PUT, 2);
1143	req->db = db;	1752	req->db = db;
1144	req->txn = txn;	1753	req->txn = txn;
1145	sv_to_dbt (&req->dbt1, key);	1754	sv_to_dbt (&req->dbt1, key);
1146	sv_to_dbt (&req->dbt2, data);	1755	sv_to_dbt (&req->dbt2, data);
1147	req->uint1 = flags;	1756	req->uint1 = flags;
1148	REQ_SEND;	1757	REQ_SEND;
1149	}	1758	}
1150		1759
		1760	#if DB_VERSION_MINOR >= 6
		1761
1151	void	1762	void
1152	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1763	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1764	PREINIT:
		1765	CALLBACK
1153	CODE:	1766	CODE:
1154	{	1767	{
1155	dREQ (REQ_DB_GET);	1768	dREQ (REQ_DB_EXISTS, 2);
1156	req->db = db;	1769	req->db = db;
1157	req->txn = txn;	1770	req->txn = txn;
		1771	req->uint1 = flags;
		1772	sv_to_dbt (&req->dbt1, key);
		1773	REQ_SEND;
		1774	}
		1775
		1776	#endif
		1777
		1778	void
		1779	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1780	PREINIT:
		1781	CALLBACK
		1782	CODE:
		1783	{
		1784	//TODO: key is somtimesmutable
		1785	dREQ (REQ_DB_GET, 2);
		1786	req->db = db;
		1787	req->txn = txn;
		1788	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1789	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1790	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1791	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1792	REQ_SEND;
1164	}	1793	}
1165		1794
1166	void	1795	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1796	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1797	PREINIT:
		1798	CALLBACK
1168	CODE:	1799	CODE:
1169	{	1800	{
		1801	//TODO: key is somtimesmutable
1170	dREQ (REQ_DB_PGET);	1802	dREQ (REQ_DB_PGET, 2);
1171	req->db = db;	1803	req->db = db;
1172	req->txn = txn;	1804	req->txn = txn;
		1805	req->uint1 = flags;
		1806
1173	sv_to_dbt (&req->dbt1, key);	1807	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1808
		1809	req->dbt2.flags = DB_DBT_MALLOC;
		1810	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1811
1175	req->dbt3.flags = DB_DBT_MALLOC;	1812	req->dbt3.flags = DB_DBT_MALLOC;
1176	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1813	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1814	REQ_SEND;
1180	}	1815	}
1181		1816
1182	void	1817	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1818	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1819	PREINIT:
		1820	CALLBACK
1184	CODE:	1821	CODE:
1185	{	1822	{
1186	dREQ (REQ_TXN_COMMIT);	1823	dREQ (REQ_DB_DEL, 2);
		1824	req->db = db;
1187	req->txn = txn;	1825	req->txn = txn;
1188	req->uint1 = flags;	1826	req->uint1 = flags;
		1827	sv_to_dbt (&req->dbt1, key);
1189	REQ_SEND;	1828	REQ_SEND;
		1829	}
		1830
		1831	void
		1832	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1833	PREINIT:
		1834	CALLBACK
		1835	CODE:
		1836	{
1190	ptr_nuke (ST (0));	1837	ptr_nuke (ST (0));
1191	}
1192
1193	void
1194	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1195	CODE:
1196	{
1197	dREQ (REQ_TXN_ABORT);	1838	dREQ (REQ_TXN_COMMIT, 0);
1198	req->txn = txn;	1839	req->txn = txn;
		1840	req->uint1 = flags;
1199	REQ_SEND;	1841	REQ_SEND;
		1842	}
		1843
		1844	void
		1845	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1846	PREINIT:
		1847	CALLBACK
		1848	CODE:
		1849	{
1200	ptr_nuke (ST (0));	1850	ptr_nuke (ST (0));
		1851	dREQ (REQ_TXN_ABORT, 0);
		1852	req->txn = txn;
		1853	REQ_SEND;
1201	}	1854	}
		1855
		1856	void
		1857	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1858	PREINIT:
		1859	CALLBACK
		1860	CODE:
		1861	{
		1862	ptr_nuke (ST (0));
		1863	dREQ (REQ_TXN_FINISH, 0);
		1864	req->txn = txn;
		1865	req->uint1 = flags;
		1866	REQ_SEND;
		1867	}
		1868
		1869	void
		1870	db_c_close (DBC *dbc, SV *callback = 0)
		1871	PREINIT:
		1872	CALLBACK
		1873	CODE:
		1874	{
		1875	ptr_nuke (ST (0));
		1876	dREQ (REQ_C_CLOSE, 0);
		1877	req->dbc = dbc;
		1878	REQ_SEND;
		1879	}
		1880
		1881	void
		1882	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1883	PREINIT:
		1884	CALLBACK
		1885	CODE:
		1886	{
		1887	dREQ (REQ_C_COUNT, 1);
		1888	req->dbc = dbc;
		1889	req->sv1 = SvREFCNT_inc (count);
		1890	REQ_SEND;
		1891	}
		1892
		1893	void
		1894	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1895	PREINIT:
		1896	CALLBACK
		1897	CODE:
		1898	{
		1899	dREQ (REQ_C_PUT, 1);
		1900	req->dbc = dbc;
		1901	sv_to_dbt (&req->dbt1, key);
		1902	sv_to_dbt (&req->dbt2, data);
		1903	req->uint1 = flags;
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1914	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1915
		1916	dREQ (REQ_C_GET, 1);
		1917	req->dbc = dbc;
		1918	req->uint1 = flags;
		1919	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1920	sv_to_dbt (&req->dbt1, key);
		1921	else
		1922	{
		1923	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1924	sv_to_dbt (&req->dbt1, key);
		1925	else
		1926	req->dbt1.flags = DB_DBT_MALLOC;
		1927
		1928	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1929	}
		1930
		1931	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1932	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1933	sv_to_dbt (&req->dbt3, data);
		1934	else
		1935	req->dbt3.flags = DB_DBT_MALLOC;
		1936
		1937	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1938	REQ_SEND;
		1939	}
		1940
		1941	void
		1942	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1943	PREINIT:
		1944	CALLBACK
		1945	CODE:
		1946	{
		1947	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1948	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1949
		1950	dREQ (REQ_C_PGET, 1);
		1951	req->dbc = dbc;
		1952	req->uint1 = flags;
		1953	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1954	sv_to_dbt (&req->dbt1, key);
		1955	else
		1956	{
		1957	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1958	sv_to_dbt (&req->dbt1, key);
		1959	else
		1960	req->dbt1.flags = DB_DBT_MALLOC;
		1961
		1962	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1963	}
		1964
		1965	req->dbt2.flags = DB_DBT_MALLOC;
		1966	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1967
		1968	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1969	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1970	sv_to_dbt (&req->dbt3, data);
		1971	else
		1972	req->dbt3.flags = DB_DBT_MALLOC;
		1973
		1974	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1975	REQ_SEND;
		1976	}
		1977
		1978	void
		1979	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1980	PREINIT:
		1981	CALLBACK
		1982	CODE:
		1983	{
		1984	dREQ (REQ_C_DEL, 1);
		1985	req->dbc = dbc;
		1986	req->uint1 = flags;
		1987	REQ_SEND;
		1988	}
		1989
		1990
		1991	#if DB_VERSION_MINOR >= 3
		1992
		1993	void
		1994	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1995	PREINIT:
		1996	CALLBACK
		1997	CODE:
		1998	{
		1999	dREQ (REQ_SEQ_OPEN, 2);
		2000	req->seq = seq;
		2001	req->txn = txnid;
		2002	req->uint1 = flags | DB_THREAD;
		2003	sv_to_dbt (&req->dbt1, key);
		2004	REQ_SEND;
		2005	}
		2006
		2007	void
		2008	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2009	PREINIT:
		2010	CALLBACK
		2011	CODE:
		2012	{
		2013	ptr_nuke (ST (0));
		2014	dREQ (REQ_SEQ_CLOSE, 0);
		2015	req->seq = seq;
		2016	req->uint1 = flags;
		2017	REQ_SEND;
		2018	}
		2019
		2020	void
		2021	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2022	PREINIT:
		2023	CALLBACK
		2024	CODE:
		2025	{
		2026	dREQ (REQ_SEQ_GET, 2);
		2027	req->seq = seq;
		2028	req->txn = txnid;
		2029	req->int1 = delta;
		2030	req->uint1 = flags;
		2031	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2032	REQ_SEND;
		2033	}
		2034
		2035	void
		2036	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2037	PREINIT:
		2038	CALLBACK
		2039	CODE:
		2040	{
		2041	dREQ (REQ_SEQ_REMOVE, 2);
		2042	req->seq = seq;
		2043	req->txn = txnid;
		2044	req->uint1 = flags;
		2045	REQ_SEND;
		2046	}
		2047
		2048	#endif
1202		2049
1203		2050
1204	MODULE = BDB PACKAGE = BDB::Env	2051	MODULE = BDB PACKAGE = BDB::Env
1205		2052
1206	void	2053	void
1207	DESTROY (DB_ENV_ornull *env)	2054	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	2055	CODE:
1209	if (env)	2056	if (env)
1210	env->close (env, 0);	2057	env->close (env, 0);
1211		2058
		2059	int set_data_dir (DB_ENV *env, const char *dir)
		2060	CODE:
		2061	RETVAL = env->set_data_dir (env, dir);
		2062	OUTPUT:
		2063	RETVAL
		2064
		2065	int set_tmp_dir (DB_ENV *env, const char *dir)
		2066	CODE:
		2067	RETVAL = env->set_tmp_dir (env, dir);
		2068	OUTPUT:
		2069	RETVAL
		2070
		2071	int set_lg_dir (DB_ENV *env, const char *dir)
		2072	CODE:
		2073	RETVAL = env->set_lg_dir (env, dir);
		2074	OUTPUT:
		2075	RETVAL
		2076
		2077	int set_shm_key (DB_ENV *env, long shm_key)
		2078	CODE:
		2079	RETVAL = env->set_shm_key (env, shm_key);
		2080	OUTPUT:
		2081	RETVAL
		2082
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	2084	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	2086	OUTPUT:
1216	RETVAL	2087	RETVAL
1217		2088
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	2089	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	2090	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	2091	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	2092	OUTPUT:
1222	RETVAL	2093	RETVAL
1223		2094
		2095	#if DB_VERSION_MINOR >= 7
		2096
		2097	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2098	CODE:
		2099	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2100	OUTPUT:
		2101	RETVAL
		2102
		2103	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2104	CODE:
		2105	RETVAL = env->log_set_config (env, flags, onoff);
		2106	OUTPUT:
		2107	RETVAL
		2108
		2109	#endif
		2110
		2111
		2112	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2113	CODE:
		2114	env->set_errfile (env, errfile);
		2115
		2116	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2117	CODE:
		2118	env->set_msgfile (env, msgfile);
		2119
		2120	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2121	CODE:
		2122	RETVAL = env->set_verbose (env, which, onoff);
		2123	OUTPUT:
		2124	RETVAL
		2125
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2126	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	2127	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	2128	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	2129	OUTPUT:
1228	RETVAL	2130	RETVAL
1229		2131
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2132	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	2133	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2134	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	2135	OUTPUT:
1234	RETVAL	2136	RETVAL
		2137
		2138	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2139	CODE:
		2140	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2141	OUTPUT:
		2142	RETVAL
		2143
		2144	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2145	CODE:
		2146	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2147	OUTPUT:
		2148	RETVAL
		2149
		2150	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2151	CODE:
		2152	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2153	OUTPUT:
		2154	RETVAL
		2155
		2156	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2157	CODE:
		2158	RETVAL = env->set_lk_detect (env, detect);
		2159	OUTPUT:
		2160	RETVAL
		2161
		2162	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2163	CODE:
		2164	RETVAL = env->set_lk_max_lockers (env, max);
		2165	OUTPUT:
		2166	RETVAL
		2167
		2168	int set_lk_max_locks (DB_ENV *env, U32 max)
		2169	CODE:
		2170	RETVAL = env->set_lk_max_locks (env, max);
		2171	OUTPUT:
		2172	RETVAL
		2173
		2174	int set_lk_max_objects (DB_ENV *env, U32 max)
		2175	CODE:
		2176	RETVAL = env->set_lk_max_objects (env, max);
		2177	OUTPUT:
		2178	RETVAL
		2179
		2180	int set_lg_bsize (DB_ENV *env, U32 max)
		2181	CODE:
		2182	RETVAL = env->set_lg_bsize (env, max);
		2183	OUTPUT:
		2184	RETVAL
		2185
		2186	int set_lg_max (DB_ENV *env, U32 max)
		2187	CODE:
		2188	RETVAL = env->set_lg_max (env, max);
		2189	OUTPUT:
		2190	RETVAL
		2191
		2192	#if DB_VERSION_MINOR >= 4
		2193
		2194	int mutex_set_max (DB_ENV *env, U32 max)
		2195	CODE:
		2196	RETVAL = env->mutex_set_max (env, max);
		2197	OUTPUT:
		2198	RETVAL
		2199
		2200	int mutex_set_increment (DB_ENV *env, U32 increment)
		2201	CODE:
		2202	RETVAL = env->mutex_set_increment (env, increment);
		2203	OUTPUT:
		2204	RETVAL
		2205
		2206	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2207	CODE:
		2208	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2209	OUTPUT:
		2210	RETVAL
		2211
		2212	int mutex_set_align (DB_ENV *env, U32 align)
		2213	CODE:
		2214	RETVAL = env->mutex_set_align (env, align);
		2215	OUTPUT:
		2216	RETVAL
		2217
		2218	#endif
1235		2219
1236	DB_TXN *	2220	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2221	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	2222	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	2223	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	2224	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	2225	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	2226	OUTPUT:
1243	RETVAL	2227	RETVAL
1244		2228
		2229	#if DB_VERSION_MINOR >= 5
		2230
		2231	DB_TXN *
		2232	cdsgroup_begin (DB_ENV *env)
		2233	CODE:
		2234	errno = env->cdsgroup_begin (env, &RETVAL);
		2235	if (errno)
		2236	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2237	OUTPUT:
		2238	RETVAL
		2239
		2240	#endif
		2241
1245	MODULE = BDB PACKAGE = BDB::Db	2242	MODULE = BDB PACKAGE = BDB::Db
1246		2243
1247	void	2244	void
1248	DESTROY (DB_ornull *db)	2245	DESTROY (DB_ornuked *db)
1249	CODE:	2246	CODE:
1250	if (db)	2247	if (db)
1251	{	2248	{
1252	SV *env = (SV *)db->app_private;	2249	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	2250	db->close (db, 0);
…		…
1258	CODE:	2255	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2256	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	2257	OUTPUT:
1261	RETVAL	2258	RETVAL
1262		2259
1263	int set_flags (DB *db, U32 flags);	2260	int set_flags (DB *db, U32 flags)
1264	CODE:	2261	CODE:
1265	RETVAL = db->set_flags (db, flags);	2262	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	2263	OUTPUT:
1267	RETVAL	2264	RETVAL
1268		2265
…		…
1276	CODE:	2273	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	2274	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	2275	OUTPUT:
1279	RETVAL	2276	RETVAL
1280		2277
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	2278	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	2279	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	2280	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	2281	OUTPUT:
1286	RETVAL	2282	RETVAL
1287		2283
1288	int set_re_delim(DB *db, int delim);	2284	int set_re_delim (DB *db, int delim)
1289	CODE:	2285	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	2286	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	2287	OUTPUT:
1292	RETVAL	2288	RETVAL
1293		2289
…		…
1325	CODE:	2321	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	2322	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	2323	OUTPUT:
1328	RETVAL	2324	RETVAL
1329		2325
		2326	DBC *
		2327	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2328	CODE:
		2329	errno = db->cursor (db, txn, &RETVAL, flags);
		2330	if (errno)
		2331	croak ("DB->cursor: %s", db_strerror (errno));
		2332	OUTPUT:
		2333	RETVAL
		2334
		2335	#if DB_VERSION_MINOR >= 3
		2336
		2337	DB_SEQUENCE *
		2338	sequence (DB *db, U32 flags = 0)
		2339	CODE:
		2340	{
		2341	errno = db_sequence_create (&RETVAL, db, flags);
		2342	if (errno)
		2343	croak ("db_sequence_create: %s", db_strerror (errno));
		2344	}
		2345	OUTPUT:
		2346	RETVAL
		2347
		2348	#endif
		2349
		2350
1330	MODULE = BDB PACKAGE = BDB::Txn	2351	MODULE = BDB PACKAGE = BDB::Txn
1331		2352
1332	void	2353	void
1333	DESTROY (DB_TXN_ornull *txn)	2354	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2355	CODE:
1335	if (txn)	2356	if (txn)
1336	txn->abort (txn);	2357	txn->abort (txn);
1337		2358
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2359	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	2360	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2361	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2362	OUTPUT:
1342	RETVAL	2363	RETVAL
1343		2364
		2365	int failed (DB_TXN *txn)
		2366	CODE:
		2367	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2368	OUTPUT:
		2369	RETVAL
1344		2370
		2371
		2372	MODULE = BDB PACKAGE = BDB::Cursor
		2373
		2374	void
		2375	DESTROY (DBC_ornuked *dbc)
		2376	CODE:
		2377	if (dbc)
		2378	dbc->c_close (dbc);
		2379
		2380	#if DB_VERSION_MINOR >= 6
		2381
		2382	int set_priority (DBC *dbc, int priority)
		2383	CODE:
		2384	dbc->set_priority (dbc, priority);
		2385
		2386	#endif
		2387
		2388	#if DB_VERSION_MINOR >= 3
		2389
		2390	MODULE = BDB PACKAGE = BDB::Sequence
		2391
		2392	void
		2393	DESTROY (DB_SEQUENCE_ornuked *seq)
		2394	CODE:
		2395	if (seq)
		2396	seq->close (seq, 0);
		2397
		2398	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2399	CODE:
		2400	RETVAL = seq->initial_value (seq, value);
		2401	OUTPUT:
		2402	RETVAL
		2403
		2404	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2405	CODE:
		2406	RETVAL = seq->set_cachesize (seq, size);
		2407	OUTPUT:
		2408	RETVAL
		2409
		2410	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2411	CODE:
		2412	RETVAL = seq->set_flags (seq, flags);
		2413	OUTPUT:
		2414	RETVAL
		2415
		2416	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2417	CODE:
		2418	RETVAL = seq->set_range (seq, min, max);
		2419	OUTPUT:
		2420	RETVAL
		2421
		2422	#endif
		2423
		2424

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