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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 1.56 by root, Mon Sep 29 02:59:08 2008 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	42
35	* on have atomic word read/writes.	43	typedef DB_ENV DB_ENV_ornull;
36	*/	44	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	45	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	46	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	47
40	# else	48	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
		54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	56	#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		57
50	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	59	typedef char *bdb_filename;
52		60
53	static SV *prepare_cb;	61	static SV *prepare_cb;
54		62
		63	#if DB_VERSION_MINOR >= 6
		64	# define c_close close
		65	# define c_count count
		66	# define c_del del
		67	# define c_dup dup
		68	# define c_get get
		69	# define c_pget pget
		70	# define c_put put
		71	#endif
		72
55	static inline char *	73	static char *
		74	get_bdb_filename (SV *sv)
		75	{
		76	if (!SvOK (sv))
		77	return 0;
		78
		79	#if _WIN32
		80	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		81	{
		82	STRLEN len;
		83	char *src = SvPVbyte (sv, len);
		84	SV *t1 = sv_newmortal ();
		85	SV *t2 = sv_newmortal ();
		86
		87	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		88	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		89
		90	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		91	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		92	SvPOK_only (t2);
		93	SvPVX (t2)[len] = 0;
		94	SvCUR_set (t2, len);
		95
		96	return SvPVX (t2);
		97	}
		98	#else
		99	return SvPVbyte_nolen (sv);
		100	#endif
		101	}
		102
		103	static void
		104	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		105	{
		106	printf ("err[%s]\n", msg);
		107	}
		108
		109	static void
		110	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		111	{
		112	printf ("msg[%s]\n", msg);
		113	}
		114
		115	static char *
56	strdup_ornull (const char *s)	116	strdup_ornull (const char *s)
57	{	117	{
58	return s ? strdup (s) : 0;	118	return s ? strdup (s) : 0;
59	}	119	}
60		120
61	inline void	121	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	122	sv_to_dbt (DBT *dbt, SV *sv)
63	{	123	{
64	STRLEN len;	124	STRLEN len;
65	char *data = SvPVbyte (sv, len);	125	char *data = SvPVbyte (sv, len);
66		126
67	dbt->data = malloc (len);	127	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	128	memcpy (dbt->data, data, len);
69	dbt->size = len;	129	dbt->size = len;
		130	dbt->flags = DB_DBT_REALLOC;
70	}	131	}
71		132
72	inline void	133	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	134	dbt_to_sv (SV *sv, DBT *dbt)
74	{	135	{
		136	if (sv)
		137	{
75	SvREADONLY_off (sv);	138	SvREADONLY_off (sv);
		139
		140	if (dbt->data)
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	141	sv_setpvn_mg (sv, dbt->data, dbt->size);
		142	else
		143	sv_setsv_mg (sv, &PL_sv_undef);
		144
		145	SvREFCNT_dec (sv);
		146	}
77		147
78	free (dbt->data);	148	free (dbt->data);
79	}	149	}
80		150
81	enum {	151	enum {
82	REQ_QUIT,	152	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE,	153	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		154	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,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		156	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,	157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
86	};	160	};
87		161
88	typedef struct aio_cb	162	typedef struct bdb_cb
89	{	163	{
90	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
91	SV *callback;	165	SV *callback;
92	int type, pri, result;	166	int type, pri, result;
93		167
94	DB_ENV *env;	168	DB_ENV *env;
95	DB *db;	169	DB *db;
96	DB_TXN *txn;	170	DB_TXN *txn;
97	DBC *cursor;	171	DBC *dbc;
		172
		173	UV uv1;
98	int int1, int2;	174	int int1, int2;
99	U32 uint1, uint2;	175	U32 uint1, uint2;
100	char *buf1, *buf2;	176	char *buf1, *buf2, *buf3;
101	SV *sv1, *sv2;	177	SV *sv1, *sv2, *sv3;
102		178
103	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
105		185
		186	SV *rsv1, *rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
106	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
107		190
108	enum {	191	enum {
109	PRI_MIN = -4,	192	PRI_MIN = -4,
110	PRI_MAX = 4,	193	PRI_MAX = 4,
111		194
…		…
114	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
115	};	198	};
116		199
117	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
118		201
		202	static SV *on_next_submit;
		203
119	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
120	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
121		206
122	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
123	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	208	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
128		213
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		215
131	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
132		217
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 */	218	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
144		220
145	typedef struct worker {	221	typedef struct worker {
146	/* locked by wrklock */	222	/* locked by wrklock */
147	struct worker *prev, *next;	223	struct worker *prev, *next;
148		224
149	pthread_t tid;	225	thread_t tid;
150		226
151	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
153	void *dbuf;	229	void *dbuf;
154	DIR *dirp;	230	DIR *dirp;
155	} worker;	231	} worker;
156		232
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	245	}
170		246
171	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		251
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
179		255
180	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
181		257
182	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
183	{	259	{
184	unsigned int retval;	260	unsigned int retval;
185		261
186	LOCK (reqlock);	262	X_LOCK (reqlock);
187	retval = nready;	263	retval = nready;
188	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
189		265
190	return retval;	266	return retval;
191	}	267	}
192		268
193	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
194	{	270	{
195	unsigned int retval;	271	unsigned int retval;
196		272
197	LOCK (reslock);	273	X_LOCK (reslock);
198	retval = npending;	274	retval = npending;
199	UNLOCK (reslock);	275	X_UNLOCK (reslock);
200		276
201	return retval;	277	return retval;
202	}	278	}
203		279
204	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
205	{	281	{
206	unsigned int retval;	282	unsigned int retval;
207		283
208	LOCK (wrklock);	284	X_LOCK (wrklock);
209	retval = started;	285	retval = started;
210	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
211		287
212	return retval;	288	return retval;
213	}	289	}
214		290
215	#else	291	#else
…		…
224	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
227	*/	303	*/
228	typedef struct {	304	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	306	int size;
231	} reqq;	307	} reqq;
232		308
233	static reqq req_queue;	309	static reqq req_queue;
234	static reqq res_queue;	310	static reqq res_queue;
235		311
236	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
237	{	313	{
238	int pri = req->pri;	314	int pri = req->pri;
239	req->next = 0;	315	req->next = 0;
240		316
241	if (q->qe[pri])	317	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
248		324
249	return q->size++;	325	return q->size++;
250	}	326	}
251		327
252	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
253	{	329	{
254	int pri;	330	int pri;
255		331
256	if (!q->size)	332	if (!q->size)
257	return 0;	333	return 0;
258		334
259	--q->size;	335	--q->size;
260		336
261	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
262	{	338	{
263	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
264		340
265	if (req)	341	if (req)
266	{	342	{
267	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
272	}	348	}
273		349
274	abort ();	350	abort ();
275	}	351	}
276		352
277	static int poll_cb ();	353	static int poll_cb (void);
278	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	355	static void req_cancel (bdb_req req);
280		356
281	static int req_invoke (aio_req req)	357	static int req_invoke (bdb_req req)
282	{	358	{
283	dSP;	359	switch (req->type)
284
285	if (SvOK (req->callback))
286	{	360	{
		361	case REQ_DB_CLOSE:
		362	SvREFCNT_dec (req->sv1);
		363	break;
		364
		365	case REQ_DB_GET:
		366	case REQ_DB_PGET:
		367	case REQ_C_GET:
		368	case REQ_C_PGET:
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (req->sv1, &req->dbt1);
		372	dbt_to_sv (req->sv2, &req->dbt2);
		373	dbt_to_sv (req->sv3, &req->dbt3);
		374	break;
		375
		376	case REQ_DB_KEY_RANGE:
		377	{
		378	AV *av = newAV ();
		379
		380	av_push (av, newSVnv (req->key_range.less));
		381	av_push (av, newSVnv (req->key_range.equal));
		382	av_push (av, newSVnv (req->key_range.greater));
		383
		384	SvREADONLY_off (req->sv1);
		385	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		386	SvREFCNT_dec (req->sv1);
		387	}
		388	break;
		389
		390	#if DB_VERSION_MINOR >= 3
		391	case REQ_SEQ_GET:
		392	SvREADONLY_off (req->sv1);
		393
		394	if (sizeof (IV) > 4)
		395	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		396	else
		397	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		398
		399	SvREFCNT_dec (req->sv1);
		400	break;
		401	#endif
		402	}
		403
		404	errno = req->result;
		405
		406	if (req->callback)
		407	{
		408	dSP;
		409
287	ENTER;	410	ENTER;
288	SAVETMPS;	411	SAVETMPS;
289	PUSHMARK (SP);	412	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		413
307	PUTBACK;	414	PUTBACK;
308	call_sv (req->callback, G_VOID | G_EVAL);	415	call_sv (req->callback, G_VOID | G_EVAL);
309	SPAGAIN;	416	SPAGAIN;
310		417
311	FREETMPS;	418	FREETMPS;
312	LEAVE;	419	LEAVE;
		420
		421	return !SvTRUE (ERRSV);
313	}	422	}
314		423
315	return !SvTRUE (ERRSV);	424	return 1;
316	}	425	}
317		426
318	static void req_free (aio_req req)	427	static void req_free (bdb_req req)
319	{	428	{
		429	SvREFCNT_dec (req->callback);
		430
		431	SvREFCNT_dec (req->rsv1);
		432	SvREFCNT_dec (req->rsv2);
		433
320	free (req->buf1);	434	free (req->buf1);
321	free (req->buf2);	435	free (req->buf2);
		436	free (req->buf3);
		437
322	Safefree (req);	438	Safefree (req);
323	}	439	}
324		440
325	static void *aio_proc (void *arg);	441	#ifdef USE_SOCKETS_AS_HANDLES
		442	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		443	#else
		444	# define TO_SOCKET(x) (x)
		445	#endif
		446
		447	static void
		448	create_respipe (void)
		449	{
		450	#ifdef _WIN32
		451	int arg; /* argg */
		452	#endif
		453	int old_readfd = respipe [0];
		454
		455	if (respipe [1] >= 0)
		456	respipe_close (TO_SOCKET (respipe [1]));
		457
		458	#ifdef _WIN32
		459	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		460	#else
		461	if (pipe (respipe))
		462	#endif
		463	croak ("unable to initialize result pipe");
		464
		465	if (old_readfd >= 0)
		466	{
		467	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		468	croak ("unable to initialize result pipe(2)");
		469
		470	respipe_close (respipe [0]);
		471	respipe [0] = old_readfd;
		472	}
		473
		474	#ifdef _WIN32
		475	arg = 1;
		476	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		477	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		478	#else
		479	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		480	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		481	#endif
		482	croak ("unable to initialize result pipe(3)");
		483
		484	respipe_osf [0] = TO_SOCKET (respipe [0]);
		485	respipe_osf [1] = TO_SOCKET (respipe [1]);
		486	}
		487
		488	static void bdb_request (bdb_req req);
		489	X_THREAD_PROC (bdb_proc);
326		490
327	static void start_thread (void)	491	static void start_thread (void)
328	{	492	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	493	worker *wrk = calloc (1, sizeof (worker));
333		494
334	if (!wrk)	495	if (!wrk)
335	croak ("unable to allocate worker thread data");	496	croak ("unable to allocate worker thread data");
336		497
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);	498	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	499	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	500	{
350	wrk->prev = &wrk_first;	501	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	502	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	503	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	504	wrk_first.next = wrk;
354	++started;	505	++started;
355	}	506	}
356	else	507	else
357	free (wrk);	508	free (wrk);
358		509
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	510	X_UNLOCK (wrklock);
361	}	511	}
362		512
363	static void maybe_start_thread ()	513	static void maybe_start_thread (void)
364	{	514	{
365	if (get_nthreads () >= wanted)	515	if (get_nthreads () >= wanted)
366	return;	516	return;
367		517
368	/* todo: maybe use idle here, but might be less exact */	518	/* todo: maybe use idle here, but might be less exact */
…		…
370	return;	520	return;
371		521
372	start_thread ();	522	start_thread ();
373	}	523	}
374		524
375	static void req_send (aio_req req)	525	static void req_send (bdb_req req)
376	{	526	{
377	SV *wait_callback = 0;	527	SV *wait_callback = 0;
378		528
379	// synthesize callback if none given	529	if (on_next_submit)
380	if (!SvOK (req->callback))
381	{	530	{
382	dSP;	531	dSP;
		532	SV *cb = sv_2mortal (on_next_submit);
		533
		534	on_next_submit = 0;
		535
383	PUSHMARK (SP);	536	PUSHMARK (SP);
384	PUTBACK;	537	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	538	call_sv (cb, G_DISCARD | G_EVAL);
386	SPAGAIN;	539	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	}	540	}
395		541
		542	// synthesize callback if none given
		543	if (!req->callback)
		544	{
		545	if (SvOK (prepare_cb))
		546	{
		547	int count;
		548
		549	dSP;
		550	PUSHMARK (SP);
		551	PUTBACK;
		552	count = call_sv (prepare_cb, G_ARRAY);
		553	SPAGAIN;
		554
		555	if (count != 2)
		556	croak ("sync prepare callback must return exactly two values\n");
		557
		558	wait_callback = POPs;
		559	req->callback = SvREFCNT_inc (POPs);
		560	}
		561	else
		562	{
		563	// execute request synchronously
		564	bdb_request (req);
		565	req_invoke (req);
		566	req_free (req);
		567	return;
		568	}
		569	}
		570
396	++nreqs;	571	++nreqs;
397		572
398	LOCK (reqlock);	573	X_LOCK (reqlock);
399	++nready;	574	++nready;
400	reqq_push (&req_queue, req);	575	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	576	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	577	X_UNLOCK (reqlock);
403		578
404	maybe_start_thread ();	579	maybe_start_thread ();
405		580
406	if (wait_callback)	581	if (wait_callback)
407	{	582	{
408	dSP;	583	dSP;
409	PUSHMARK (SP);	584	PUSHMARK (SP);
410	PUTBACK;	585	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	586	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	587	}
414	}	588	}
415		589
416	static void end_thread (void)	590	static void end_thread (void)
417	{	591	{
418	aio_req req;	592	bdb_req req = calloc (1, sizeof (bdb_cb));
419
420	Newz (0, req, 1, aio_cb);
421		593
422	req->type = REQ_QUIT;	594	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	595	req->pri = PRI_MAX + PRI_BIAS;
424		596
425	LOCK (reqlock);	597	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	598	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	599	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	600	X_UNLOCK (reqlock);
429		601
430	LOCK (wrklock);	602	X_LOCK (wrklock);
431	--started;	603	--started;
432	UNLOCK (wrklock);	604	X_UNLOCK (wrklock);
433	}	605	}
434		606
435	static void set_max_idle (int nthreads)	607	static void set_max_idle (int nthreads)
436	{	608	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	609	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	610	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	611	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	612	}
441		613
442	static void min_parallel (int nthreads)	614	static void min_parallel (int nthreads)
443	{	615	{
444	if (wanted < nthreads)	616	if (wanted < nthreads)
…		…
452		624
453	while (started > wanted)	625	while (started > wanted)
454	end_thread ();	626	end_thread ();
455	}	627	}
456		628
457	static void poll_wait ()	629	static void poll_wait (void)
458	{	630	{
459	fd_set rfd;	631	fd_set rfd;
460		632
461	while (nreqs)	633	while (nreqs)
462	{	634	{
463	int size;	635	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	636	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	637	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	638	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		639
468	if (size)	640	if (size)
469	return;	641	return;
470		642
471	maybe_start_thread ();	643	maybe_start_thread ();
472		644
473	FD_ZERO(&rfd);	645	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	646	FD_SET (respipe [0], &rfd);
475		647
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	648	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	649	}
478	}	650	}
479		651
480	static int poll_cb ()	652	static int poll_cb (void)
481	{	653	{
482	dSP;	654	dSP;
483	int count = 0;	655	int count = 0;
484	int maxreqs = max_poll_reqs;	656	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	657	int do_croak = 0;
486	struct timeval tv_start, tv_now;	658	struct timeval tv_start, tv_now;
487	aio_req req;	659	bdb_req req;
488		660
489	if (max_poll_time)	661	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	662	gettimeofday (&tv_start, 0);
491		663
492	for (;;)	664	for (;;)
493	{	665	{
494	for (;;)	666	for (;;)
495	{	667	{
496	maybe_start_thread ();	668	maybe_start_thread ();
497		669
498	LOCK (reslock);	670	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	671	req = reqq_shift (&res_queue);
500		672
501	if (req)	673	if (req)
502	{	674	{
503	--npending;	675	--npending;
504		676
505	if (!res_queue.size)	677	if (!res_queue.size)
506	{	678	{
507	/* read any signals sent by the worker threads */	679	/* read any signals sent by the worker threads */
508	char buf [4];	680	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	681	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	682	;
511	}	683	}
512	}	684	}
513		685
514	UNLOCK (reslock);	686	X_UNLOCK (reslock);
515		687
516	if (!req)	688	if (!req)
517	break;	689	break;
518		690
519	--nreqs;	691	--nreqs;
…		…
549	}	721	}
550		722
551	return count;	723	return count;
552	}	724	}
553		725
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	/*****************************************************************************/	726	/*****************************************************************************/
567		727
568	static void *aio_proc (void *thr_arg)	728	static void
		729	bdb_request (bdb_req req)
569	{	730	{
		731	switch (req->type)
		732	{
		733	case REQ_ENV_OPEN:
		734	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		735	break;
		736
		737	case REQ_ENV_CLOSE:
		738	req->result = req->env->close (req->env, req->uint1);
		739	break;
		740
		741	case REQ_ENV_TXN_CHECKPOINT:
		742	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		743	break;
		744
		745	case REQ_ENV_LOCK_DETECT:
		746	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		747	break;
		748
		749	case REQ_ENV_MEMP_SYNC:
		750	req->result = req->env->memp_sync (req->env, 0);
		751	break;
		752
		753	case REQ_ENV_MEMP_TRICKLE:
		754	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		755	break;
		756
		757	case REQ_ENV_DBREMOVE:
		758	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		759	break;
		760
		761	case REQ_ENV_DBRENAME:
		762	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		763	break;
		764
		765	case REQ_DB_OPEN:
		766	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		767	break;
		768
		769	case REQ_DB_CLOSE:
		770	req->result = req->db->close (req->db, req->uint1);
		771	break;
		772
		773	#if DB_VERSION_MINOR >= 4
		774	case REQ_DB_COMPACT:
		775	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		776	break;
		777	#endif
		778
		779	case REQ_DB_SYNC:
		780	req->result = req->db->sync (req->db, req->uint1);
		781	break;
		782
		783	case REQ_DB_UPGRADE:
		784	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		785	break;
		786
		787	case REQ_DB_PUT:
		788	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		789	break;
		790
		791	#if DB_VERSION_MINOR >= 6
		792	case REQ_DB_EXISTS:
		793	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		794	break;
		795	#endif
		796	case REQ_DB_GET:
		797	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		798	break;
		799
		800	case REQ_DB_PGET:
		801	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		802	break;
		803
		804	case REQ_DB_DEL:
		805	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		806	break;
		807
		808	case REQ_DB_KEY_RANGE:
		809	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		810	break;
		811
		812	case REQ_TXN_COMMIT:
		813	req->result = req->txn->commit (req->txn, req->uint1);
		814	break;
		815
		816	case REQ_TXN_ABORT:
		817	req->result = req->txn->abort (req->txn);
		818	break;
		819
		820	case REQ_TXN_FINISH:
		821	if (req->txn->flags & TXN_DEADLOCK)
		822	{
		823	req->result = req->txn->abort (req->txn);
		824	if (!req->result)
		825	req->result = DB_LOCK_DEADLOCK;
		826	}
		827	else
		828	req->result = req->txn->commit (req->txn, req->uint1);
		829	break;
		830
		831	case REQ_C_CLOSE:
		832	req->result = req->dbc->c_close (req->dbc);
		833	break;
		834
		835	case REQ_C_COUNT:
		836	{
		837	db_recno_t recno;
		838	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		839	req->uv1 = recno;
		840	}
		841	break;
		842
		843	case REQ_C_PUT:
		844	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		845	break;
		846
		847	case REQ_C_GET:
		848	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		849	break;
		850
		851	case REQ_C_PGET:
		852	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		853	break;
		854
		855	case REQ_C_DEL:
		856	req->result = req->dbc->c_del (req->dbc, req->uint1);
		857	break;
		858
		859	#if DB_VERSION_MINOR >= 3
		860	case REQ_SEQ_OPEN:
		861	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		862	break;
		863
		864	case REQ_SEQ_CLOSE:
		865	req->result = req->seq->close (req->seq, req->uint1);
		866	break;
		867
		868	case REQ_SEQ_GET:
		869	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		870	break;
		871
		872	case REQ_SEQ_REMOVE:
		873	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		874	break;
		875	#endif
		876
		877	default:
		878	req->result = ENOSYS;
		879	break;
		880	}
		881
		882	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		883	req->txn->flags |= TXN_DEADLOCK;
		884	}
		885
		886	X_THREAD_PROC (bdb_proc)
		887	{
570	aio_req req;	888	bdb_req req;
571	struct timespec ts;	889	struct timespec ts;
572	worker *self = (worker *)thr_arg;	890	worker *self = (worker *)thr_arg;
573		891
574	/* try to distribute timeouts somewhat evenly */	892	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	893	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		894
578	for (;;)	895	for (;;)
579	{	896	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	897	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		898
582	LOCK (reqlock);	899	X_LOCK (reqlock);
583		900
584	for (;;)	901	for (;;)
585	{	902	{
586	self->req = req = reqq_shift (&req_queue);	903	self->req = req = reqq_shift (&req_queue);
587		904
588	if (req)	905	if (req)
589	break;	906	break;
590		907
591	++idle;	908	++idle;
592		909
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	910	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	911	== ETIMEDOUT)
595	{	912	{
596	if (idle > max_idle)	913	if (idle > max_idle)
597	{	914	{
598	--idle;	915	--idle;
599	UNLOCK (reqlock);	916	X_UNLOCK (reqlock);
600	LOCK (wrklock);	917	X_LOCK (wrklock);
601	--started;	918	--started;
602	UNLOCK (wrklock);	919	X_UNLOCK (wrklock);
603	goto quit;	920	goto quit;
604	}	921	}
605		922
606	/* we are allowed to idle, so do so without any timeout */	923	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	924	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	925	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	926	}
610		927
611	--idle;	928	--idle;
612	}	929	}
613		930
614	--nready;	931	--nready;
615		932
616	UNLOCK (reqlock);	933	X_UNLOCK (reqlock);
617		934
618	switch (req->type)	935	if (req->type == REQ_QUIT)
619	{	936	{
620	case REQ_QUIT:	937	X_LOCK (reslock);
		938	free (req);
		939	self->req = 0;
		940	X_UNLOCK (reslock);
		941
621	goto quit;	942	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	}	943	}
671		944
		945	bdb_request (req);
		946
672	LOCK (reslock);	947	X_LOCK (reslock);
673		948
674	++npending;	949	++npending;
675		950
676	if (!reqq_push (&res_queue, req))	951	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	952	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	953	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		954
680	self->req = 0;	955	self->req = 0;
681	worker_clear (self);	956	worker_clear (self);
682		957
683	UNLOCK (reslock);	958	X_UNLOCK (reslock);
684	}	959	}
685		960
686	quit:	961	quit:
687	LOCK (wrklock);	962	X_LOCK (wrklock);
688	worker_free (self);	963	worker_free (self);
689	UNLOCK (wrklock);	964	X_UNLOCK (wrklock);
690		965
691	return 0;	966	return 0;
692	}	967	}
693		968
694	/*****************************************************************************/	969	/*****************************************************************************/
695		970
696	static void atfork_prepare (void)	971	static void atfork_prepare (void)
697	{	972	{
698	LOCK (wrklock);	973	X_LOCK (wrklock);
699	LOCK (reqlock);	974	X_LOCK (reqlock);
700	LOCK (reslock);	975	X_LOCK (reslock);
701	}	976	}
702		977
703	static void atfork_parent (void)	978	static void atfork_parent (void)
704	{	979	{
705	UNLOCK (reslock);	980	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	981	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	982	X_UNLOCK (wrklock);
708	}	983	}
709		984
710	static void atfork_child (void)	985	static void atfork_child (void)
711	{	986	{
712	aio_req prv;	987	bdb_req prv;
713		988
714	while (prv = reqq_shift (&req_queue))	989	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	990	req_free (prv);
716		991
717	while (prv = reqq_shift (&res_queue))	992	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	1007	idle = 0;
733	nreqs = 0;	1008	nreqs = 0;
734	nready = 0;	1009	nready = 0;
735	npending = 0;	1010	npending = 0;
736		1011
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	1012	create_respipe ();
740		1013
741	atfork_parent ();	1014	atfork_parent ();
742	}	1015	}
743		1016
744	#define dREQ(reqtype) \	1017	#define dREQ(reqtype,rsvcnt) \
745	aio_req req; \	1018	bdb_req req; \
746	int req_pri = next_pri; \	1019	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	1020	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	1021	\
749	if (SvOK (callback) && !SvROK (callback)) \	1022	if (callback && SvOK (callback)) \
750	croak ("callback must be undef or of reference type"); \	1023	croak ("callback has illegal type or extra arguments"); \
751	\	1024	\
752	Newz (0, req, 1, aio_cb); \	1025	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	1026	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	1027	croak ("out of memory during bdb_req allocation"); \
755	\	1028	\
756	req->callback = newSVsv (callback); \	1029	req->callback = SvREFCNT_inc (cb); \
757	req->type = (reqtype); \	1030	req->type = (reqtype); \
758	req->pri = req_pri	1031	req->pri = req_pri; \
		1032	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1033	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1034	(void)0;
759		1035
760	#define REQ_SEND \	1036	#define REQ_SEND \
761	req_send (req)	1037	req_send (req)
762		1038
763	#define SvPTR(var, arg, type, class, nullok) \	1039	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	1040	if (!SvOK (arg)) \
765	{ \	1041	{ \
766	if (!nullok) \	1042	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	1043	croak (# var " must be a " # class " object, not undef"); \
768	\	1044	\
769	(var) = 0; \	1045	(var) = 0; \
770	} \	1046	} \
771	else if (sv_derived_from ((arg), # class)) \	1047	else if (sv_derived_from ((arg), # class)) \
772	{ \	1048	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	1049	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	1050	(var) = INT2PTR (type, tmp); \
775	if (!var) \	1051	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	1052	croak (# var " is not a valid " # class " object anymore"); \
777	} \	1053	} \
778	else \	1054	else \
779	Perl_croak (# var " is not of type " # class); \	1055	croak (# var " is not of type " # class);
780	\	1056
		1057	#define ARG_MUTABLE(name) \
		1058	if (SvREADONLY (name)) \
		1059	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
781		1060
782	static void	1061	static void
783	ptr_nuke (SV *sv)	1062	ptr_nuke (SV *sv)
784	{	1063	{
785	assert (SvROK (sv));	1064	assert (SvROK (sv));
786	sv_setiv (SvRV (sv), 0);	1065	sv_setiv (SvRV (sv), 0);
787	}	1066	}
		1067
		1068	static int
		1069	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1070	{
		1071	if (*mg->mg_ptr == '!') // should always be the case
		1072	if (-30999 <= errno && errno <= -30800)
		1073	{
		1074	sv_setnv (sv, (NV)errno);
		1075	sv_setpv (sv, db_strerror (errno));
		1076	SvNOK_on (sv); /* what a wonderful hack! */
		1077	// ^^^ copied from perl sources
		1078	return 0;
		1079	}
		1080
		1081	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1082	}
		1083
		1084	static MGVTBL vtbl_errno;
		1085
		1086	// this wonderful hack :( patches perl's $! variable to support our errno values
		1087	static void
		1088	patch_errno (void)
		1089	{
		1090	SV *sv;
		1091	MAGIC *mg;
		1092
		1093	if (!(sv = get_sv ("!", 1)))
		1094	return;
		1095
		1096	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1097	return;
		1098
		1099	if (mg->mg_virtual != &PL_vtbl_sv)
		1100	return;
		1101
		1102	vtbl_errno = PL_vtbl_sv;
		1103	vtbl_errno.svt_get = errno_get;
		1104	mg->mg_virtual = &vtbl_errno;
		1105	}
		1106
		1107	#if __GNUC__ >= 4
		1108	# define noinline __attribute__ ((noinline))
		1109	#else
		1110	# define noinline
		1111	#endif
		1112
		1113	static noinline SV *
		1114	pop_callback (I32 *ritems, SV *sv)
		1115	{
		1116	if (SvROK (sv))
		1117	{
		1118	HV *st;
		1119	GV *gvp;
		1120	CV *cv;
		1121	const char *name;
		1122
		1123	/* forgive me */
		1124	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1125	&& (st = SvSTASH (SvRV (sv)))
		1126	&& (name = HvNAME_get (st))
		1127	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1128	return 0;
		1129
		1130	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1131	{
		1132	--*ritems;
		1133	return (SV *)cv;
		1134	}
		1135	}
		1136
		1137	return 0;
		1138	}
		1139
		1140	/* stupid windoes defined CALLBACK as well */
		1141	#undef CALLBACK
		1142	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
788		1143
789	MODULE = BDB PACKAGE = BDB	1144	MODULE = BDB PACKAGE = BDB
790		1145
791	PROTOTYPES: ENABLE	1146	PROTOTYPES: ENABLE
792		1147
…		…
808	const_iv (INIT_TXN)	1163	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1164	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1165	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1166	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1167	const_iv (CREATE)
		1168	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1169	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1170	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1171	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1172	const_iv (PRIVATE)
817	const_iv (REGISTER)
818	const_iv (SYSTEM_MEM)	1173	const_iv (SYSTEM_MEM)
819	const_iv (AUTO_COMMIT)	1174	const_iv (AUTO_COMMIT)
820	const_iv (CDB_ALLDB)	1175	const_iv (CDB_ALLDB)
821	const_iv (DIRECT_DB)	1176	const_iv (DIRECT_DB)
822	const_iv (DIRECT_LOG)
823	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	1177	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1178	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1179	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1180	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1181	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1182	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1183	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1184	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1185	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1186	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1187	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1188	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1189	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1190	const_iv (XA_CREATE)
…		…
843	const_iv (HASH)	1192	const_iv (HASH)
844	const_iv (QUEUE)	1193	const_iv (QUEUE)
845	const_iv (RECNO)	1194	const_iv (RECNO)
846	const_iv (UNKNOWN)	1195	const_iv (UNKNOWN)
847	const_iv (EXCL)	1196	const_iv (EXCL)
848	const_iv (READ_COMMITTED)
849	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1197	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1198	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1199	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1200	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1201	const_iv (DUP)
856	const_iv (DUPSORT)	1202	const_iv (DUPSORT)
857	const_iv (RECNUM)	1203	const_iv (RECNUM)
858	const_iv (RENUMBER)	1204	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1205	const_iv (REVSPLITOFF)
860	const_iv (INORDER)
861	const_iv (CONSUME)	1206	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1207	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1208	const_iv (GET_BOTH)
		1209	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1210	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1211	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1212	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1213	const_iv (JOIN_ITEM)
		1214	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1215	const_iv (RMW)
869		1216
870	const_iv (NOTFOUND)	1217	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1218	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1219	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1220	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1221	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1222	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1223	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1224	const_iv (SECONDARY_BAD)
878
879	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)
881		1225
882	const_iv (APPEND)	1226	const_iv (APPEND)
883	const_iv (NODUPDATA)	1227	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1228	const_iv (NOOVERWRITE)
885		1229
886	const_iv (TXN_NOWAIT)	1230	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1231	const_iv (TXN_SYNC)
889		1232
890	const_iv (SET_LOCK_TIMEOUT)	1233	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1234	const_iv (SET_TXN_TIMEOUT)
		1235
		1236	const_iv (FIRST)
		1237	const_iv (NEXT)
		1238	const_iv (NEXT_DUP)
		1239	const_iv (NEXT_NODUP)
		1240	const_iv (PREV)
		1241	const_iv (PREV_NODUP)
		1242	const_iv (SET)
		1243	const_iv (SET_RANGE)
		1244	const_iv (LAST)
		1245	const_iv (BEFORE)
		1246	const_iv (AFTER)
		1247	const_iv (CURRENT)
		1248	const_iv (KEYFIRST)
		1249	const_iv (KEYLAST)
		1250	const_iv (NODUPDATA)
		1251
		1252	const_iv (FORCE)
		1253
		1254	const_iv (LOCK_DEFAULT)
		1255	const_iv (LOCK_EXPIRE)
		1256	const_iv (LOCK_MAXLOCKS)
		1257	const_iv (LOCK_MINLOCKS)
		1258	const_iv (LOCK_MINWRITE)
		1259	const_iv (LOCK_OLDEST)
		1260	const_iv (LOCK_RANDOM)
		1261	const_iv (LOCK_YOUNGEST)
		1262
		1263	const_iv (DONOTINDEX)
		1264	const_iv (KEYEMPTY )
		1265	const_iv (KEYEXIST )
		1266	const_iv (LOCK_DEADLOCK)
		1267	const_iv (LOCK_NOTGRANTED)
		1268	const_iv (NOSERVER)
		1269	const_iv (NOSERVER_HOME)
		1270	const_iv (NOSERVER_ID)
		1271	const_iv (NOTFOUND)
		1272	const_iv (PAGE_NOTFOUND)
		1273	const_iv (REP_DUPMASTER)
		1274	const_iv (REP_HANDLE_DEAD)
		1275	const_iv (REP_HOLDELECTION)
		1276	const_iv (REP_ISPERM)
		1277	const_iv (REP_NEWMASTER)
		1278	const_iv (REP_NEWSITE)
		1279	const_iv (REP_NOTPERM)
		1280	const_iv (REP_UNAVAIL)
		1281	const_iv (RUNRECOVERY)
		1282	const_iv (SECONDARY_BAD)
		1283	const_iv (VERIFY_BAD)
		1284
		1285	const_iv (VERB_DEADLOCK)
		1286	const_iv (VERB_RECOVERY)
		1287	const_iv (VERB_REPLICATION)
		1288	const_iv (VERB_WAITSFOR)
		1289
		1290	const_iv (VERSION_MAJOR)
		1291	const_iv (VERSION_MINOR)
		1292	const_iv (VERSION_PATCH)
		1293	#if DB_VERSION_MINOR >= 3
		1294	const_iv (INORDER)
		1295	const_iv (LOCK_MAXWRITE)
		1296	const_iv (SEQ_DEC)
		1297	const_iv (SEQ_INC)
		1298	const_iv (SEQ_WRAP)
		1299	const_iv (BUFFER_SMALL)
		1300	const_iv (LOG_BUFFER_FULL)
		1301	const_iv (VERSION_MISMATCH)
		1302	#endif
		1303	#if DB_VERSION_MINOR >= 4
		1304	const_iv (REGISTER)
		1305	const_iv (DSYNC_DB)
		1306	const_iv (READ_COMMITTED)
		1307	const_iv (READ_UNCOMMITTED)
		1308	const_iv (REP_IGNORE)
		1309	const_iv (REP_LOCKOUT)
		1310	const_iv (REP_JOIN_FAILURE)
		1311	const_iv (FREE_SPACE)
		1312	const_iv (FREELIST_ONLY)
		1313	const_iv (VERB_REGISTER)
		1314	#endif
		1315	#if DB_VERSION_MINOR >= 5
		1316	const_iv (MULTIVERSION)
		1317	const_iv (TXN_SNAPSHOT)
		1318	#endif
		1319	#if DB_VERSION_MINOR >= 6
		1320	const_iv (PREV_DUP)
		1321	const_iv (PRIORITY_UNCHANGED)
		1322	const_iv (PRIORITY_VERY_LOW)
		1323	const_iv (PRIORITY_LOW)
		1324	const_iv (PRIORITY_DEFAULT)
		1325	const_iv (PRIORITY_HIGH)
		1326	const_iv (PRIORITY_VERY_HIGH)
		1327	#endif
		1328	#if DB_VERSION_MINOR >= 7
		1329	const_iv (LOG_DIRECT)
		1330	const_iv (LOG_DSYNC)
		1331	const_iv (LOG_AUTO_REMOVE)
		1332	const_iv (LOG_IN_MEMORY)
		1333	const_iv (LOG_ZERO)
		1334	#else
		1335	const_iv (DIRECT_LOG)
		1336	const_iv (LOG_AUTOREMOVE)
		1337	# if DB_VERSION_MINOR >= 3
		1338	const_iv (DSYNC_LOG)
		1339	const_iv (LOG_INMEMORY)
		1340	# endif
		1341	#endif
892	};	1342	};
893		1343
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1344	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1345	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1346
897	create_pipe ();	1347	prepare_cb = &PL_sv_undef;
		1348
		1349	{
		1350	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1351	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1352
		1353	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1354	}
		1355
		1356	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1357
		1358	create_respipe ();
		1359
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1360	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1361	patch_errno ();
899	}	1362	}
900		1363
901	void	1364	void
902	max_poll_reqs (int nreqs)	1365	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1366	PROTOTYPE: $
…		…
1022		1485
1023	int	1486	int
1024	nthreads ()	1487	nthreads ()
1025	PROTOTYPE:	1488	PROTOTYPE:
1026	CODE:	1489	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1490	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1491	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1492	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1493	OUTPUT:
1031	RETVAL	1494	RETVAL
1032		1495
1033	void	1496	SV *
1034	set_sync_prepare (SV *cb)	1497	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1498	PROTOTYPE: &
1036	CODE:	1499	CODE:
1037	SvREFCNT_dec (prepare_cb);	1500	RETVAL = prepare_cb;
1038	prepare_cb = newSVsv (cb);	1501	prepare_cb = newSVsv (cb);
		1502	OUTPUT:
		1503	RETVAL
		1504
		1505	char *
		1506	strerror (int errorno = errno)
		1507	PROTOTYPE: ;$
		1508	CODE:
		1509	RETVAL = db_strerror (errorno);
		1510	OUTPUT:
		1511	RETVAL
		1512
		1513	void _on_next_submit (SV *cb)
		1514	CODE:
		1515	SvREFCNT_dec (on_next_submit);
		1516	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1039		1517
1040	DB_ENV *	1518	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1519	db_env_create (U32 env_flags = 0)
1042	CODE:	1520	CODE:
1043	{	1521	{
1044	errno = db_env_create (&RETVAL, env_flags);	1522	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1523	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1524	croak ("db_env_create: %s", db_strerror (errno));
		1525
		1526	if (0)
		1527	{
		1528	RETVAL->set_errcall (RETVAL, debug_errcall);
		1529	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1530	}
1047	}	1531	}
1048	OUTPUT:	1532	OUTPUT:
1049	RETVAL	1533	RETVAL
1050		1534
1051	void	1535	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1536	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1053	CODE:	1539	CODE:
1054	{	1540	{
1055	dREQ (REQ_ENV_OPEN);	1541	dREQ (REQ_ENV_OPEN, 1);
1056	req->env = env;	1542	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1543	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1544	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1545	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1546	REQ_SEND;
1061	}	1547	}
1062		1548
1063	void	1549	void
1064	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1550	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1551	PREINIT:
		1552	CALLBACK
1065	CODE:	1553	CODE:
1066	{	1554	{
1067	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 0);
		1556	ptr_nuke (ST (0));
1068	req->env = env;	1557	req->env = env;
1069	req->uint1 = flags;	1558	req->uint1 = flags;
1070	REQ_SEND;	1559	REQ_SEND;
1071	ptr_nuke (ST (0));	1560	}
		1561
		1562	void
		1563	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
		1566	CODE:
		1567	{
		1568	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1569	req->env = env;
		1570	req->uint1 = kbyte;
		1571	req->int1 = min;
		1572	req->uint2 = flags;
		1573	REQ_SEND;
		1574	}
		1575
		1576	void
		1577	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1578	PREINIT:
		1579	CALLBACK
		1580	CODE:
		1581	{
		1582	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1583	req->env = env;
		1584	req->uint1 = flags;
		1585	req->uint2 = atype;
		1586	/* req->int2 = 0; dummy */
		1587	REQ_SEND;
		1588	}
		1589
		1590	void
		1591	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
		1594	CODE:
		1595	{
		1596	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1597	req->env = env;
		1598	REQ_SEND;
		1599	}
		1600
		1601	void
		1602	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1603	PREINIT:
		1604	CALLBACK
		1605	CODE:
		1606	{
		1607	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1608	req->env = env;
		1609	req->int1 = percent;
		1610	REQ_SEND;
		1611	}
		1612
		1613	void
		1614	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
		1617	CODE:
		1618	{
		1619	dREQ (REQ_ENV_DBREMOVE, 2);
		1620	req->env = env;
		1621	req->buf1 = strdup_ornull (file);
		1622	req->buf2 = strdup_ornull (database);
		1623	req->uint1 = flags;
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1629	PREINIT:
		1630	CALLBACK
		1631	CODE:
		1632	{
		1633	dREQ (REQ_ENV_DBRENAME, 2);
		1634	req->env = env;
		1635	req->buf1 = strdup_ornull (file);
		1636	req->buf2 = strdup_ornull (database);
		1637	req->buf3 = strdup_ornull (newname);
		1638	req->uint1 = flags;
		1639	REQ_SEND;
1072	}	1640	}
1073		1641
1074	DB *	1642	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1643	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1644	CODE:
1077	{	1645	{
1078	errno = db_create (&RETVAL, env, flags);	1646	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1647	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1648	croak ("db_create: %s", db_strerror (errno));
1081		1649
1082	if (RETVAL)	1650	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1651	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1652	}
1085	OUTPUT:	1653	OUTPUT:
1086	RETVAL	1654	RETVAL
1087		1655
1088	void	1656	void
1089	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1657	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1090	CODE:	1660	CODE:
1091	{	1661	{
1092	dREQ (REQ_DB_OPEN);	1662	dREQ (REQ_DB_OPEN, 2);
1093	req->db = db;	1663	req->db = db;
1094	req->txn = txnid;	1664	req->txn = txnid;
1095	req->buf1 = strdup_ornull (file);	1665	req->buf1 = strdup_ornull (file);
1096	req->buf2 = strdup_ornull (database);	1666	req->buf2 = strdup_ornull (database);
1097	req->int1 = type;	1667	req->int1 = type;
…		…
1099	req->int2 = mode;	1669	req->int2 = mode;
1100	REQ_SEND;	1670	REQ_SEND;
1101	}	1671	}
1102		1672
1103	void	1673	void
1104	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1674	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1675	PREINIT:
		1676	CALLBACK
1105	CODE:	1677	CODE:
1106	{	1678	{
1107	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 0);
		1680	ptr_nuke (ST (0));
1108	req->db = db;	1681	req->db = db;
1109	req->uint1 = flags;	1682	req->uint1 = flags;
1110	req->sv1 = (SV *)db->app_private;	1683	req->sv1 = (SV *)db->app_private;
1111	REQ_SEND;	1684	REQ_SEND;
1112	ptr_nuke (ST (0));
1113	}	1685	}
1114		1686
		1687	#if DB_VERSION_MINOR >= 4
		1688
1115	void	1689	void
1116	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1690	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
1117	CODE:	1693	CODE:
1118	{	1694	{
1119	dREQ (REQ_DB_COMPACT);	1695	dREQ (REQ_DB_COMPACT, 2);
1120	req->db = db;	1696	req->db = db;
1121	req->txn = txn;	1697	req->txn = txn;
1122	sv_to_dbt (&req->dbt1, start);	1698	sv_to_dbt (&req->dbt1, start);
1123	sv_to_dbt (&req->dbt2, stop);	1699	sv_to_dbt (&req->dbt2, stop);
1124	req->uint1 = flags;	1700	req->uint1 = flags;
1125	REQ_SEND;	1701	REQ_SEND;
1126	}	1702	}
1127		1703
		1704	#endif
		1705
1128	void	1706	void
1129	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1130	CODE:	1710	CODE:
1131	{	1711	{
1132	dREQ (REQ_DB_SYNC);	1712	dREQ (REQ_DB_SYNC, 1);
1133	req->db = db;	1713	req->db = db;
1134	req->uint1 = flags;	1714	req->uint1 = flags;
1135	REQ_SEND;	1715	REQ_SEND;
1136	}	1716	}
1137		1717
1138	void	1718	void
		1719	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_SYNC, 1);
		1725	req->db = db;
		1726	req->buf1 = strdup (file);
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
		1732	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
		1735	CODE:
		1736	{
		1737	dREQ (REQ_DB_KEY_RANGE, 2);
		1738	req->db = db;
		1739	req->txn = txn;
		1740	sv_to_dbt (&req->dbt1, key);
		1741	req->uint1 = flags;
		1742	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1743	REQ_SEND;
		1744	}
		1745
		1746	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1747	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1748	PREINIT:
		1749	CALLBACK
1140	CODE:	1750	CODE:
1141	{	1751	{
1142	dREQ (REQ_DB_PUT);	1752	dREQ (REQ_DB_PUT, 2);
1143	req->db = db;	1753	req->db = db;
1144	req->txn = txn;	1754	req->txn = txn;
1145	sv_to_dbt (&req->dbt1, key);	1755	sv_to_dbt (&req->dbt1, key);
1146	sv_to_dbt (&req->dbt2, data);	1756	sv_to_dbt (&req->dbt2, data);
1147	req->uint1 = flags;	1757	req->uint1 = flags;
1148	REQ_SEND;	1758	REQ_SEND;
1149	}	1759	}
1150		1760
		1761	#if DB_VERSION_MINOR >= 6
		1762
1151	void	1763	void
1152	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1764	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1765	PREINIT:
		1766	CALLBACK
1153	CODE:	1767	CODE:
1154	{	1768	{
1155	dREQ (REQ_DB_GET);	1769	dREQ (REQ_DB_EXISTS, 2);
1156	req->db = db;	1770	req->db = db;
1157	req->txn = txn;	1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	REQ_SEND;
		1775	}
		1776
		1777	#endif
		1778
		1779	void
		1780	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
		1783	CODE:
		1784	{
		1785	//TODO: key is somtimesmutable
		1786	dREQ (REQ_DB_GET, 2);
		1787	req->db = db;
		1788	req->txn = txn;
		1789	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1790	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1791	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1792	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1793	REQ_SEND;
1164	}	1794	}
1165		1795
1166	void	1796	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1797	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1798	PREINIT:
		1799	CALLBACK
1168	CODE:	1800	CODE:
1169	{	1801	{
		1802	//TODO: key is somtimesmutable
1170	dREQ (REQ_DB_PGET);	1803	dREQ (REQ_DB_PGET, 2);
1171	req->db = db;	1804	req->db = db;
1172	req->txn = txn;	1805	req->txn = txn;
		1806	req->uint1 = flags;
		1807
1173	sv_to_dbt (&req->dbt1, key);	1808	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1809
		1810	req->dbt2.flags = DB_DBT_MALLOC;
		1811	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1812
1175	req->dbt3.flags = DB_DBT_MALLOC;	1813	req->dbt3.flags = DB_DBT_MALLOC;
1176	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1814	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1815	REQ_SEND;
1180	}	1816	}
1181		1817
1182	void	1818	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1819	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
1184	CODE:	1822	CODE:
1185	{	1823	{
1186	dREQ (REQ_TXN_COMMIT);	1824	dREQ (REQ_DB_DEL, 2);
		1825	req->db = db;
1187	req->txn = txn;	1826	req->txn = txn;
1188	req->uint1 = flags;	1827	req->uint1 = flags;
		1828	sv_to_dbt (&req->dbt1, key);
1189	REQ_SEND;	1829	REQ_SEND;
		1830	}
		1831
		1832	void
		1833	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
		1836	CODE:
		1837	{
		1838	dREQ (REQ_TXN_COMMIT, 0);
1190	ptr_nuke (ST (0));	1839	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);
1198	req->txn = txn;	1840	req->txn = txn;
		1841	req->uint1 = flags;
1199	REQ_SEND;	1842	REQ_SEND;
		1843	}
		1844
		1845	void
		1846	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
		1849	CODE:
		1850	{
		1851	dREQ (REQ_TXN_ABORT, 0);
1200	ptr_nuke (ST (0));	1852	ptr_nuke (ST (0));
		1853	req->txn = txn;
		1854	REQ_SEND;
1201	}	1855	}
		1856
		1857	void
		1858	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1859	PREINIT:
		1860	CALLBACK
		1861	CODE:
		1862	{
		1863	dREQ (REQ_TXN_FINISH, 0);
		1864	ptr_nuke (ST (0));
		1865	req->txn = txn;
		1866	req->uint1 = flags;
		1867	REQ_SEND;
		1868	}
		1869
		1870	void
		1871	db_c_close (DBC *dbc, SV *callback = 0)
		1872	PREINIT:
		1873	CALLBACK
		1874	CODE:
		1875	{
		1876	dREQ (REQ_C_CLOSE, 0);
		1877	ptr_nuke (ST (0));
		1878	req->dbc = dbc;
		1879	REQ_SEND;
		1880	}
		1881
		1882	void
		1883	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1884	PREINIT:
		1885	CALLBACK
		1886	CODE:
		1887	{
		1888	dREQ (REQ_C_COUNT, 1);
		1889	req->dbc = dbc;
		1890	req->sv1 = SvREFCNT_inc (count);
		1891	REQ_SEND;
		1892	}
		1893
		1894	void
		1895	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1896	PREINIT:
		1897	CALLBACK
		1898	CODE:
		1899	{
		1900	dREQ (REQ_C_PUT, 1);
		1901	req->dbc = dbc;
		1902	sv_to_dbt (&req->dbt1, key);
		1903	sv_to_dbt (&req->dbt2, data);
		1904	req->uint1 = flags;
		1905	REQ_SEND;
		1906	}
		1907
		1908	void
		1909	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1910	PREINIT:
		1911	CALLBACK
		1912	CODE:
		1913	{
		1914	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1915	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1916
		1917	dREQ (REQ_C_GET, 1);
		1918	req->dbc = dbc;
		1919	req->uint1 = flags;
		1920	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1921	sv_to_dbt (&req->dbt1, key);
		1922	else
		1923	{
		1924	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1925	sv_to_dbt (&req->dbt1, key);
		1926	else
		1927	req->dbt1.flags = DB_DBT_MALLOC;
		1928
		1929	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1930	}
		1931
		1932	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1933	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1934	sv_to_dbt (&req->dbt3, data);
		1935	else
		1936	req->dbt3.flags = DB_DBT_MALLOC;
		1937
		1938	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1939	REQ_SEND;
		1940	}
		1941
		1942	void
		1943	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1944	PREINIT:
		1945	CALLBACK
		1946	CODE:
		1947	{
		1948	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1949	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1950
		1951	dREQ (REQ_C_PGET, 1);
		1952	req->dbc = dbc;
		1953	req->uint1 = flags;
		1954	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1955	sv_to_dbt (&req->dbt1, key);
		1956	else
		1957	{
		1958	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1959	sv_to_dbt (&req->dbt1, key);
		1960	else
		1961	req->dbt1.flags = DB_DBT_MALLOC;
		1962
		1963	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1964	}
		1965
		1966	req->dbt2.flags = DB_DBT_MALLOC;
		1967	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1968
		1969	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1970	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1971	sv_to_dbt (&req->dbt3, data);
		1972	else
		1973	req->dbt3.flags = DB_DBT_MALLOC;
		1974
		1975	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1976	REQ_SEND;
		1977	}
		1978
		1979	void
		1980	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1981	PREINIT:
		1982	CALLBACK
		1983	CODE:
		1984	{
		1985	dREQ (REQ_C_DEL, 1);
		1986	req->dbc = dbc;
		1987	req->uint1 = flags;
		1988	REQ_SEND;
		1989	}
		1990
		1991
		1992	#if DB_VERSION_MINOR >= 3
		1993
		1994	void
		1995	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1996	PREINIT:
		1997	CALLBACK
		1998	CODE:
		1999	{
		2000	dREQ (REQ_SEQ_OPEN, 2);
		2001	req->seq = seq;
		2002	req->txn = txnid;
		2003	req->uint1 = flags | DB_THREAD;
		2004	sv_to_dbt (&req->dbt1, key);
		2005	REQ_SEND;
		2006	}
		2007
		2008	void
		2009	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2010	PREINIT:
		2011	CALLBACK
		2012	CODE:
		2013	{
		2014	dREQ (REQ_SEQ_CLOSE, 0);
		2015	ptr_nuke (ST (0));
		2016	req->seq = seq;
		2017	req->uint1 = flags;
		2018	REQ_SEND;
		2019	}
		2020
		2021	void
		2022	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2023	PREINIT:
		2024	CALLBACK
		2025	CODE:
		2026	{
		2027	dREQ (REQ_SEQ_GET, 2);
		2028	req->seq = seq;
		2029	req->txn = txnid;
		2030	req->int1 = delta;
		2031	req->uint1 = flags;
		2032	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2033	REQ_SEND;
		2034	}
		2035
		2036	void
		2037	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2038	PREINIT:
		2039	CALLBACK
		2040	CODE:
		2041	{
		2042	dREQ (REQ_SEQ_REMOVE, 2);
		2043	req->seq = seq;
		2044	req->txn = txnid;
		2045	req->uint1 = flags;
		2046	REQ_SEND;
		2047	}
		2048
		2049	#endif
1202		2050
1203		2051
1204	MODULE = BDB PACKAGE = BDB::Env	2052	MODULE = BDB PACKAGE = BDB::Env
1205		2053
1206	void	2054	void
1207	DESTROY (DB_ENV_ornull *env)	2055	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	2056	CODE:
1209	if (env)	2057	if (env)
1210	env->close (env, 0);	2058	env->close (env, 0);
1211		2059
		2060	int set_data_dir (DB_ENV *env, const char *dir)
		2061	CODE:
		2062	RETVAL = env->set_data_dir (env, dir);
		2063	OUTPUT:
		2064	RETVAL
		2065
		2066	int set_tmp_dir (DB_ENV *env, const char *dir)
		2067	CODE:
		2068	RETVAL = env->set_tmp_dir (env, dir);
		2069	OUTPUT:
		2070	RETVAL
		2071
		2072	int set_lg_dir (DB_ENV *env, const char *dir)
		2073	CODE:
		2074	RETVAL = env->set_lg_dir (env, dir);
		2075	OUTPUT:
		2076	RETVAL
		2077
		2078	int set_shm_key (DB_ENV *env, long shm_key)
		2079	CODE:
		2080	RETVAL = env->set_shm_key (env, shm_key);
		2081	OUTPUT:
		2082	RETVAL
		2083
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2084	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	2085	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2086	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	2087	OUTPUT:
1216	RETVAL	2088	RETVAL
1217		2089
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	2090	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	2091	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	2092	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	2093	OUTPUT:
1222	RETVAL	2094	RETVAL
1223		2095
		2096	#if DB_VERSION_MINOR >= 7
		2097
		2098	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2099	CODE:
		2100	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2101	OUTPUT:
		2102	RETVAL
		2103
		2104	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2105	CODE:
		2106	RETVAL = env->log_set_config (env, flags, onoff);
		2107	OUTPUT:
		2108	RETVAL
		2109
		2110	#endif
		2111
		2112
		2113	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2114	CODE:
		2115	env->set_errfile (env, errfile);
		2116
		2117	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2118	CODE:
		2119	env->set_msgfile (env, msgfile);
		2120
		2121	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2122	CODE:
		2123	RETVAL = env->set_verbose (env, which, onoff);
		2124	OUTPUT:
		2125	RETVAL
		2126
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2127	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	2128	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	2129	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	2130	OUTPUT:
1228	RETVAL	2131	RETVAL
1229		2132
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2133	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	2134	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2135	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	2136	OUTPUT:
1234	RETVAL	2137	RETVAL
		2138
		2139	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2140	CODE:
		2141	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2142	OUTPUT:
		2143	RETVAL
		2144
		2145	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2146	CODE:
		2147	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2148	OUTPUT:
		2149	RETVAL
		2150
		2151	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2152	CODE:
		2153	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2158	CODE:
		2159	RETVAL = env->set_lk_detect (env, detect);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2164	CODE:
		2165	RETVAL = env->set_lk_max_lockers (env, max);
		2166	OUTPUT:
		2167	RETVAL
		2168
		2169	int set_lk_max_locks (DB_ENV *env, U32 max)
		2170	CODE:
		2171	RETVAL = env->set_lk_max_locks (env, max);
		2172	OUTPUT:
		2173	RETVAL
		2174
		2175	int set_lk_max_objects (DB_ENV *env, U32 max)
		2176	CODE:
		2177	RETVAL = env->set_lk_max_objects (env, max);
		2178	OUTPUT:
		2179	RETVAL
		2180
		2181	int set_lg_bsize (DB_ENV *env, U32 max)
		2182	CODE:
		2183	RETVAL = env->set_lg_bsize (env, max);
		2184	OUTPUT:
		2185	RETVAL
		2186
		2187	int set_lg_max (DB_ENV *env, U32 max)
		2188	CODE:
		2189	RETVAL = env->set_lg_max (env, max);
		2190	OUTPUT:
		2191	RETVAL
		2192
		2193	#if DB_VERSION_MINOR >= 4
		2194
		2195	int mutex_set_max (DB_ENV *env, U32 max)
		2196	CODE:
		2197	RETVAL = env->mutex_set_max (env, max);
		2198	OUTPUT:
		2199	RETVAL
		2200
		2201	int mutex_set_increment (DB_ENV *env, U32 increment)
		2202	CODE:
		2203	RETVAL = env->mutex_set_increment (env, increment);
		2204	OUTPUT:
		2205	RETVAL
		2206
		2207	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2208	CODE:
		2209	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2210	OUTPUT:
		2211	RETVAL
		2212
		2213	int mutex_set_align (DB_ENV *env, U32 align)
		2214	CODE:
		2215	RETVAL = env->mutex_set_align (env, align);
		2216	OUTPUT:
		2217	RETVAL
		2218
		2219	#endif
1235		2220
1236	DB_TXN *	2221	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2222	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	2223	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	2224	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	2225	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	2226	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	2227	OUTPUT:
1243	RETVAL	2228	RETVAL
1244		2229
		2230	#if DB_VERSION_MINOR >= 5
		2231
		2232	DB_TXN *
		2233	cdsgroup_begin (DB_ENV *env)
		2234	CODE:
		2235	errno = env->cdsgroup_begin (env, &RETVAL);
		2236	if (errno)
		2237	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2238	OUTPUT:
		2239	RETVAL
		2240
		2241	#endif
		2242
1245	MODULE = BDB PACKAGE = BDB::Db	2243	MODULE = BDB PACKAGE = BDB::Db
1246		2244
1247	void	2245	void
1248	DESTROY (DB_ornull *db)	2246	DESTROY (DB_ornuked *db)
1249	CODE:	2247	CODE:
1250	if (db)	2248	if (db)
1251	{	2249	{
1252	SV *env = (SV *)db->app_private;	2250	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	2251	db->close (db, 0);
…		…
1258	CODE:	2256	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2257	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	2258	OUTPUT:
1261	RETVAL	2259	RETVAL
1262		2260
1263	int set_flags (DB *db, U32 flags);	2261	int set_flags (DB *db, U32 flags)
1264	CODE:	2262	CODE:
1265	RETVAL = db->set_flags (db, flags);	2263	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	2264	OUTPUT:
1267	RETVAL	2265	RETVAL
1268		2266
…		…
1276	CODE:	2274	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	2275	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	2276	OUTPUT:
1279	RETVAL	2277	RETVAL
1280		2278
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	2279	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	2280	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	2281	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	2282	OUTPUT:
1286	RETVAL	2283	RETVAL
1287		2284
1288	int set_re_delim(DB *db, int delim);	2285	int set_re_delim (DB *db, int delim)
1289	CODE:	2286	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	2287	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	2288	OUTPUT:
1292	RETVAL	2289	RETVAL
1293		2290
…		…
1325	CODE:	2322	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	2323	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	2324	OUTPUT:
1328	RETVAL	2325	RETVAL
1329		2326
		2327	DBC *
		2328	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2329	CODE:
		2330	errno = db->cursor (db, txn, &RETVAL, flags);
		2331	if (errno)
		2332	croak ("DB->cursor: %s", db_strerror (errno));
		2333	OUTPUT:
		2334	RETVAL
		2335
		2336	#if DB_VERSION_MINOR >= 3
		2337
		2338	DB_SEQUENCE *
		2339	sequence (DB *db, U32 flags = 0)
		2340	CODE:
		2341	{
		2342	errno = db_sequence_create (&RETVAL, db, flags);
		2343	if (errno)
		2344	croak ("db_sequence_create: %s", db_strerror (errno));
		2345	}
		2346	OUTPUT:
		2347	RETVAL
		2348
		2349	#endif
		2350
		2351
1330	MODULE = BDB PACKAGE = BDB::Txn	2352	MODULE = BDB PACKAGE = BDB::Txn
1331		2353
1332	void	2354	void
1333	DESTROY (DB_TXN_ornull *txn)	2355	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2356	CODE:
1335	if (txn)	2357	if (txn)
1336	txn->abort (txn);	2358	txn->abort (txn);
1337		2359
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2360	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	2361	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2362	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2363	OUTPUT:
1342	RETVAL	2364	RETVAL
1343		2365
		2366	int failed (DB_TXN *txn)
		2367	CODE:
		2368	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2369	OUTPUT:
		2370	RETVAL
1344		2371
		2372
		2373	MODULE = BDB PACKAGE = BDB::Cursor
		2374
		2375	void
		2376	DESTROY (DBC_ornuked *dbc)
		2377	CODE:
		2378	if (dbc)
		2379	dbc->c_close (dbc);
		2380
		2381	#if DB_VERSION_MINOR >= 6
		2382
		2383	int set_priority (DBC *dbc, int priority)
		2384	CODE:
		2385	dbc->set_priority (dbc, priority);
		2386
		2387	#endif
		2388
		2389	#if DB_VERSION_MINOR >= 3
		2390
		2391	MODULE = BDB PACKAGE = BDB::Sequence
		2392
		2393	void
		2394	DESTROY (DB_SEQUENCE_ornuked *seq)
		2395	CODE:
		2396	if (seq)
		2397	seq->close (seq, 0);
		2398
		2399	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2400	CODE:
		2401	RETVAL = seq->initial_value (seq, value);
		2402	OUTPUT:
		2403	RETVAL
		2404
		2405	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2406	CODE:
		2407	RETVAL = seq->set_cachesize (seq, size);
		2408	OUTPUT:
		2409	RETVAL
		2410
		2411	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2412	CODE:
		2413	RETVAL = seq->set_flags (seq, flags);
		2414	OUTPUT:
		2415	RETVAL
		2416
		2417	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2418	CODE:
		2419	RETVAL = seq->set_range (seq, min, max);
		2420	OUTPUT:
		2421	RETVAL
		2422
		2423	#endif
		2424
		2425

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