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Comparing BDB/BDB.xs (file contents):
Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs.
Revision 1.39 by root, Mon Jul 7 22:11:04 2008 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
		31
		32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 || __x86_64	44
39	# define WORDACCESS_UNSAFE 0	45	typedef DB_ENV DB_ENV_ornuked;
40	# else	46	typedef DB_TXN DB_TXN_ornuked;
41	# define WORDACCESS_UNSAFE 1	47	typedef DBC DBC_ornuked;
42	# endif	48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
		51	typedef SV SV8; /* byte-sv, used for argument-checking */
		52	typedef char *bdb_filename;
		53
		54	static SV *prepare_cb;
		55
		56	#if DB_VERSION_MINOR >= 6
		57	# define c_close close
		58	# define c_count count
		59	# define c_del del
		60	# define c_dup dup
		61	# define c_get get
		62	# define c_pget pget
		63	# define c_put put
43	#endif	64	#endif
44		65
45	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;
47
48	static SV *prepare_cb;
49
50	static inline char *	66	static char *
		67	get_bdb_filename (SV *sv)
		68	{
		69	if (!SvOK (sv))
		70	return 0;
		71
		72	#if _WIN32
		73	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		74	{
		75	STRLEN len;
		76	char *src = SvPVbyte (sv, len);
		77	SV *t1 = sv_newmortal ();
		78	SV *t2 = sv_newmortal ();
		79
		80	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		81	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		82
		83	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		84	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		85	SvPOK_only (t2);
		86	SvPVX (t2)[len] = 0;
		87	SvCUR_set (t2, len);
		88
		89	return SvPVX (t2);
		90	}
		91	#else
		92	return SvPVbyte_nolen (sv);
		93	#endif
		94	}
		95
		96	static void
		97	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		98	{
		99	printf ("err[%s]\n", msg);
		100	}
		101
		102	static void
		103	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		104	{
		105	printf ("msg[%s]\n", msg);
		106	}
		107
		108	static char *
51	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
52	{	110	{
53	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
54	}	112	}
55		113
		114	static void
		115	sv_to_dbt (DBT *dbt, SV *sv)
		116	{
		117	STRLEN len;
		118	char *data = SvPVbyte (sv, len);
		119
		120	dbt->data = malloc (len);
		121	memcpy (dbt->data, data, len);
		122	dbt->size = len;
		123	dbt->flags = DB_DBT_REALLOC;
		124	}
		125
		126	static void
		127	dbt_to_sv (SV *sv, DBT *dbt)
		128	{
		129	if (sv)
		130	{
		131	SvREADONLY_off (sv);
		132	sv_setpvn_mg (sv, dbt->data, dbt->size);
		133	SvREFCNT_dec (sv);
		134	}
		135
		136	free (dbt->data);
		137	}
		138
56	enum {	139	enum {
57	REQ_QUIT,	140	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		142	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	143	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		144	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		146	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	148	};
61		149
62	typedef struct aio_cb	150	typedef struct bdb_cb
63	{	151	{
64	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
65	SV *callback;	153	SV *callback;
66	int type, pri, result;	154	int type, pri, result;
67		155
68	DB_ENV *env;	156	DB_ENV *env;
69	DB *db;	157	DB *db;
70	DB_TXN *txn;	158	DB_TXN *txn;
71	DBC *cursor;	159	DBC *dbc;
		160
		161	UV uv1;
72	int int1, int2;	162	int int1, int2;
73	U32 uint1, uint2;	163	U32 uint1, uint2;
74	char *buf1, *buf2;	164	char *buf1, *buf2, *buf3;
		165	SV *sv1, *sv2, *sv3;
75		166
76	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	168	DB_KEY_RANGE key_range;
		169	DB_SEQUENCE *seq;
		170	db_seq_t seq_t;
		171	} bdb_cb;
78		172
79	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
80		174
81	enum {	175	enum {
82	PRI_MIN = -4,	176	PRI_MIN = -4,
83	PRI_MAX = 4,	177	PRI_MAX = 4,
84		178
…		…
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	182	};
89		183
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		185
		186	static SV *on_next_submit;
		187
92	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
94		190
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	192	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
101		197
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	198	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		199
104	static unsigned int started, idle, wanted;	200	static unsigned int started, idle, wanted;
105		201
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	202	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	203	static mutex_t wrklock = X_MUTEX_INIT;
117		204
118	typedef struct worker {	205	typedef struct worker {
119	/* locked by wrklock */	206	/* locked by wrklock */
120	struct worker *prev, *next;	207	struct worker *prev, *next;
121		208
122	pthread_t tid;	209	thread_t tid;
123		210
124	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
126	void *dbuf;	213	void *dbuf;
127	DIR *dirp;	214	DIR *dirp;
128	} worker;	215	} worker;
129		216
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	229	}
143		230
144	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		235
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	238	static cond_t reqwait = X_COND_INIT;
152		239
153	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
154		241
155	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
156	{	243	{
157	unsigned int retval;	244	unsigned int retval;
158		245
159	LOCK (reqlock);	246	X_LOCK (reqlock);
160	retval = nready;	247	retval = nready;
161	UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
162		249
163	return retval;	250	return retval;
164	}	251	}
165		252
166	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
167	{	254	{
168	unsigned int retval;	255	unsigned int retval;
169		256
170	LOCK (reslock);	257	X_LOCK (reslock);
171	retval = npending;	258	retval = npending;
172	UNLOCK (reslock);	259	X_UNLOCK (reslock);
173		260
174	return retval;	261	return retval;
175	}	262	}
176		263
177	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
178	{	265	{
179	unsigned int retval;	266	unsigned int retval;
180		267
181	LOCK (wrklock);	268	X_LOCK (wrklock);
182	retval = started;	269	retval = started;
183	UNLOCK (wrklock);	270	X_UNLOCK (wrklock);
184		271
185	return retval;	272	return retval;
186	}	273	}
187		274
188	#else	275	#else
…		…
197	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
200	*/	287	*/
201	typedef struct {	288	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	290	int size;
204	} reqq;	291	} reqq;
205		292
206	static reqq req_queue;	293	static reqq req_queue;
207	static reqq res_queue;	294	static reqq res_queue;
208		295
209	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
210	{	297	{
211	int pri = req->pri;	298	int pri = req->pri;
212	req->next = 0;	299	req->next = 0;
213		300
214	if (q->qe[pri])	301	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
221		308
222	return q->size++;	309	return q->size++;
223	}	310	}
224		311
225	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
226	{	313	{
227	int pri;	314	int pri;
228		315
229	if (!q->size)	316	if (!q->size)
230	return 0;	317	return 0;
231		318
232	--q->size;	319	--q->size;
233		320
234	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
235	{	322	{
236	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
237		324
238	if (req)	325	if (req)
239	{	326	{
240	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
245	}	332	}
246		333
247	abort ();	334	abort ();
248	}	335	}
249		336
250	static int poll_cb ();	337	static int poll_cb (void);
251	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
253		340
254	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
255	{	342	{
256	dSP;	343	dSP;
257		344
258	if (SvOK (req->callback))	345	if (SvOK (req->callback))
259	{	346	{
260	ENTER;	347	ENTER;
261	SAVETMPS;	348	SAVETMPS;
262	PUSHMARK (SP);	349	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		350
265	switch (req->type)	351	switch (req->type)
266	{	352	{
		353	case REQ_DB_CLOSE:
		354	SvREFCNT_dec (req->sv1);
		355	break;
		356
		357	case REQ_DB_GET:
		358	case REQ_DB_PGET:
		359	dbt_to_sv (req->sv3, &req->dbt3);
		360	break;
		361
		362	case REQ_C_GET:
		363	case REQ_C_PGET:
		364	dbt_to_sv (req->sv1, &req->dbt1);
		365	dbt_to_sv (req->sv2, &req->dbt2);
		366	dbt_to_sv (req->sv3, &req->dbt3);
		367	break;
		368
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (0, &req->dbt1);
		372	dbt_to_sv (0, &req->dbt2);
		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	case REQ_SEQ_GET:
		390	SvREADONLY_off (req->sv1);
		391
		392	if (sizeof (IV) > 4)
		393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		394	else
		395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		396
		397	SvREFCNT_dec (req->sv1);
		398	break;
267	}	399	}
268		400
269	errno = req->result;	401	errno = req->result;
270		402
271	PUTBACK;	403	PUTBACK;
…		…
277	}	409	}
278		410
279	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
280	}	412	}
281		413
282	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
283	{	415	{
284	free (req->buf1);	416	free (req->buf1);
285	free (req->buf2);	417	free (req->buf2);
		418	free (req->buf3);
286	Safefree (req);	419	Safefree (req);
287	}	420	}
288		421
289	static void *aio_proc (void *arg);	422	#ifdef USE_SOCKETS_AS_HANDLES
		423	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		424	#else
		425	# define TO_SOCKET(x) (x)
		426	#endif
		427
		428	static void
		429	create_respipe (void)
		430	{
		431	#ifdef _WIN32
		432	int arg; /* argg */
		433	#endif
		434	int old_readfd = respipe [0];
		435
		436	if (respipe [1] >= 0)
		437	respipe_close (TO_SOCKET (respipe [1]));
		438
		439	#ifdef _WIN32
		440	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		441	#else
		442	if (pipe (respipe))
		443	#endif
		444	croak ("unable to initialize result pipe");
		445
		446	if (old_readfd >= 0)
		447	{
		448	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		449	croak ("unable to initialize result pipe(2)");
		450
		451	respipe_close (respipe [0]);
		452	respipe [0] = old_readfd;
		453	}
		454
		455	#ifdef _WIN32
		456	arg = 1;
		457	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		458	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		459	#else
		460	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		461	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		462	#endif
		463	croak ("unable to initialize result pipe(3)");
		464
		465	respipe_osf [0] = TO_SOCKET (respipe [0]);
		466	respipe_osf [1] = TO_SOCKET (respipe [1]);
		467	}
		468
		469	X_THREAD_PROC (bdb_proc);
290		470
291	static void start_thread (void)	471	static void start_thread (void)
292	{	472	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	473	worker *wrk = calloc (1, sizeof (worker));
297		474
298	if (!wrk)	475	if (!wrk)
299	croak ("unable to allocate worker thread data");	476	croak ("unable to allocate worker thread data");
300		477
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	478	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	479	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	480	{
314	wrk->prev = &wrk_first;	481	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	482	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	483	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	484	wrk_first.next = wrk;
318	++started;	485	++started;
319	}	486	}
320	else	487	else
321	free (wrk);	488	free (wrk);
322		489
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	490	X_UNLOCK (wrklock);
325	}	491	}
326		492
327	static void maybe_start_thread ()	493	static void maybe_start_thread (void)
328	{	494	{
329	if (get_nthreads () >= wanted)	495	if (get_nthreads () >= wanted)
330	return;	496	return;
331		497
332	/* todo: maybe use idle here, but might be less exact */	498	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	500	return;
335		501
336	start_thread ();	502	start_thread ();
337	}	503	}
338		504
339	static void req_send (aio_req req)	505	static void req_send (bdb_req req)
340	{	506	{
341	SV *wait_callback = 0;	507	SV *wait_callback = 0;
		508
		509	if (on_next_submit)
		510	{
		511	dSP;
		512	SV *cb = sv_2mortal (on_next_submit);
		513
		514	on_next_submit = 0;
		515
		516	PUSHMARK (SP);
		517	PUTBACK;
		518	call_sv (cb, G_DISCARD | G_EVAL);
		519	}
342		520
343	// synthesize callback if none given	521	// synthesize callback if none given
344	if (!SvOK (req->callback))	522	if (!SvOK (req->callback))
345	{	523	{
		524	int count;
		525
346	dSP;	526	dSP;
347	PUSHMARK (SP);	527	PUSHMARK (SP);
348	PUTBACK;	528	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	529	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	530	SPAGAIN;
351		531
352	if (count != 2)	532	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	533	croak ("prepare callback must return exactly two values\n");
354		534
355	wait_callback = SvREFCNT_inc (POPs);	535	wait_callback = POPs;
356	SvREFCNT_dec (req->callback);	536	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);	537	req->callback = SvREFCNT_inc (POPs);
358	}	538	}
359		539
360	++nreqs;	540	++nreqs;
361		541
362	LOCK (reqlock);	542	X_LOCK (reqlock);
363	++nready;	543	++nready;
364	reqq_push (&req_queue, req);	544	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	545	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	546	X_UNLOCK (reqlock);
367		547
368	maybe_start_thread ();	548	maybe_start_thread ();
369		549
370	if (wait_callback)	550	if (wait_callback)
371	{	551	{
372	dSP;	552	dSP;
373	PUSHMARK (SP);	553	PUSHMARK (SP);
374	PUTBACK;	554	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	555	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	556	}
378	}	557	}
379		558
380	static void end_thread (void)	559	static void end_thread (void)
381	{	560	{
382	aio_req req;	561	bdb_req req;
383		562
384	Newz (0, req, 1, aio_cb);	563	Newz (0, req, 1, bdb_cb);
385		564
386	req->type = REQ_QUIT;	565	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	566	req->pri = PRI_MAX + PRI_BIAS;
388		567
389	LOCK (reqlock);	568	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	569	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	570	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	571	X_UNLOCK (reqlock);
393		572
394	LOCK (wrklock);	573	X_LOCK (wrklock);
395	--started;	574	--started;
396	UNLOCK (wrklock);	575	X_UNLOCK (wrklock);
397	}	576	}
398		577
399	static void set_max_idle (int nthreads)	578	static void set_max_idle (int nthreads)
400	{	579	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	580	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	581	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	582	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	583	}
405		584
406	static void min_parallel (int nthreads)	585	static void min_parallel (int nthreads)
407	{	586	{
408	if (wanted < nthreads)	587	if (wanted < nthreads)
…		…
416		595
417	while (started > wanted)	596	while (started > wanted)
418	end_thread ();	597	end_thread ();
419	}	598	}
420		599
421	static void poll_wait ()	600	static void poll_wait (void)
422	{	601	{
423	fd_set rfd;	602	fd_set rfd;
424		603
425	while (nreqs)	604	while (nreqs)
426	{	605	{
427	int size;	606	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	607	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	608	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	609	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		610
432	if (size)	611	if (size)
433	return;	612	return;
434		613
435	maybe_start_thread ();	614	maybe_start_thread ();
436		615
437	FD_ZERO(&rfd);	616	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	617	FD_SET (respipe [0], &rfd);
439		618
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	619	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	620	}
442	}	621	}
443		622
444	static int poll_cb ()	623	static int poll_cb (void)
445	{	624	{
446	dSP;	625	dSP;
447	int count = 0;	626	int count = 0;
448	int maxreqs = max_poll_reqs;	627	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	628	int do_croak = 0;
450	struct timeval tv_start, tv_now;	629	struct timeval tv_start, tv_now;
451	aio_req req;	630	bdb_req req;
452		631
453	if (max_poll_time)	632	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	633	gettimeofday (&tv_start, 0);
455		634
456	for (;;)	635	for (;;)
457	{	636	{
458	for (;;)	637	for (;;)
459	{	638	{
460	maybe_start_thread ();	639	maybe_start_thread ();
461		640
462	LOCK (reslock);	641	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	642	req = reqq_shift (&res_queue);
464		643
465	if (req)	644	if (req)
466	{	645	{
467	--npending;	646	--npending;
468		647
469	if (!res_queue.size)	648	if (!res_queue.size)
470	{	649	{
471	/* read any signals sent by the worker threads */	650	/* read any signals sent by the worker threads */
472	char buf [4];	651	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	652	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	653	;
475	}	654	}
476	}	655	}
477		656
478	UNLOCK (reslock);	657	X_UNLOCK (reslock);
479		658
480	if (!req)	659	if (!req)
481	break;	660	break;
482		661
483	--nreqs;	662	--nreqs;
…		…
513	}	692	}
514		693
515	return count;	694	return count;
516	}	695	}
517		696
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	697	/*****************************************************************************/
531		698
532	static void *aio_proc (void *thr_arg)	699	X_THREAD_PROC (bdb_proc)
533	{	700	{
534	aio_req req;	701	bdb_req req;
535	struct timespec ts;	702	struct timespec ts;
536	worker *self = (worker *)thr_arg;	703	worker *self = (worker *)thr_arg;
537		704
538	/* try to distribute timeouts somewhat evenly */	705	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	706	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		707
542	for (;;)	708	for (;;)
543	{	709	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	710	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		711
546	LOCK (reqlock);	712	X_LOCK (reqlock);
547		713
548	for (;;)	714	for (;;)
549	{	715	{
550	self->req = req = reqq_shift (&req_queue);	716	self->req = req = reqq_shift (&req_queue);
551		717
552	if (req)	718	if (req)
553	break;	719	break;
554		720
555	++idle;	721	++idle;
556		722
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	723	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	724	== ETIMEDOUT)
559	{	725	{
560	if (idle > max_idle)	726	if (idle > max_idle)
561	{	727	{
562	--idle;	728	--idle;
563	UNLOCK (reqlock);	729	X_UNLOCK (reqlock);
564	LOCK (wrklock);	730	X_LOCK (wrklock);
565	--started;	731	--started;
566	UNLOCK (wrklock);	732	X_UNLOCK (wrklock);
567	goto quit;	733	goto quit;
568	}	734	}
569		735
570	/* we are allowed to idle, so do so without any timeout */	736	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	737	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	738	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	739	}
574		740
575	--idle;	741	--idle;
576	}	742	}
577		743
578	--nready;	744	--nready;
579		745
580	UNLOCK (reqlock);	746	X_UNLOCK (reqlock);
581		747
582	switch (req->type)	748	switch (req->type)
583	{	749	{
584	case REQ_QUIT:	750	case REQ_QUIT:
		751	req->result = ENOSYS;
585	goto quit;	752	goto quit;
586		753
587	case REQ_ENV_OPEN:	754	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	755	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	756	break;
590		757
591	case REQ_ENV_CLOSE:	758	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	759	req->result = req->env->close (req->env, req->uint1);
593	break;	760	break;
594		761
		762	case REQ_ENV_TXN_CHECKPOINT:
		763	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		764	break;
		765
		766	case REQ_ENV_LOCK_DETECT:
		767	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		768	break;
		769
		770	case REQ_ENV_MEMP_SYNC:
		771	req->result = req->env->memp_sync (req->env, 0);
		772	break;
		773
		774	case REQ_ENV_MEMP_TRICKLE:
		775	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		776	break;
		777
		778	case REQ_ENV_DBREMOVE:
		779	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		780	break;
		781
		782	case REQ_ENV_DBRENAME:
		783	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		784	break;
		785
595	case REQ_DB_OPEN:	786	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	787	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	788	break;
598		789
599	case REQ_DB_CLOSE:	790	case REQ_DB_CLOSE:
…		…
606		797
607	case REQ_DB_SYNC:	798	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);	799	req->result = req->db->sync (req->db, req->uint1);
609	break;	800	break;
610		801
		802	case REQ_DB_UPGRADE:
		803	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		804	break;
		805
611	case REQ_DB_PUT:	806	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	807	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	808	break;
614		809
		810	case REQ_DB_GET:
		811	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		812	break;
		813
		814	case REQ_DB_PGET:
		815	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		816	break;
		817
		818	case REQ_DB_DEL:
		819	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		820	break;
		821
		822	case REQ_DB_KEY_RANGE:
		823	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		824	break;
		825
		826	case REQ_TXN_COMMIT:
		827	req->result = req->txn->commit (req->txn, req->uint1);
		828	break;
		829
		830	case REQ_TXN_ABORT:
		831	req->result = req->txn->abort (req->txn);
		832	break;
		833
		834	case REQ_TXN_FINISH:
		835	if (req->txn->flags & TXN_DEADLOCK)
		836	{
		837	req->result = req->txn->abort (req->txn);
		838	if (!req->result)
		839	req->result = DB_LOCK_DEADLOCK;
		840	}
		841	else
		842	req->result = req->txn->commit (req->txn, req->uint1);
		843	break;
		844
		845	case REQ_C_CLOSE:
		846	req->result = req->dbc->c_close (req->dbc);
		847	break;
		848
		849	case REQ_C_COUNT:
		850	{
		851	db_recno_t recno;
		852	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		853	req->uv1 = recno;
		854	}
		855	break;
		856
		857	case REQ_C_PUT:
		858	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		859	break;
		860
		861	case REQ_C_GET:
		862	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		863	break;
		864
		865	case REQ_C_PGET:
		866	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		867	break;
		868
		869	case REQ_C_DEL:
		870	req->result = req->dbc->c_del (req->dbc, req->uint1);
		871	break;
		872
		873	case REQ_SEQ_OPEN:
		874	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		875	break;
		876
		877	case REQ_SEQ_CLOSE:
		878	req->result = req->seq->close (req->seq, req->uint1);
		879	break;
		880
		881	case REQ_SEQ_GET:
		882	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		883	break;
		884
		885	case REQ_SEQ_REMOVE:
		886	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		887	break;
		888
615	default:	889	default:
616	req->result = ENOSYS;	890	req->result = ENOSYS;
617	break;	891	break;
618	}	892	}
619		893
		894	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		895	req->txn->flags |= TXN_DEADLOCK;
		896
620	LOCK (reslock);	897	X_LOCK (reslock);
621		898
622	++npending;	899	++npending;
623		900
624	if (!reqq_push (&res_queue, req))	901	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	902	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	903	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		904
628	self->req = 0;	905	self->req = 0;
629	worker_clear (self);	906	worker_clear (self);
630		907
631	UNLOCK (reslock);	908	X_UNLOCK (reslock);
632	}	909	}
633		910
634	quit:	911	quit:
635	LOCK (wrklock);	912	X_LOCK (wrklock);
636	worker_free (self);	913	worker_free (self);
637	UNLOCK (wrklock);	914	X_UNLOCK (wrklock);
638		915
639	return 0;	916	return 0;
640	}	917	}
641		918
642	/*****************************************************************************/	919	/*****************************************************************************/
643		920
644	static void atfork_prepare (void)	921	static void atfork_prepare (void)
645	{	922	{
646	LOCK (wrklock);	923	X_LOCK (wrklock);
647	LOCK (reqlock);	924	X_LOCK (reqlock);
648	LOCK (reslock);	925	X_LOCK (reslock);
649	}	926	}
650		927
651	static void atfork_parent (void)	928	static void atfork_parent (void)
652	{	929	{
653	UNLOCK (reslock);	930	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	931	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	932	X_UNLOCK (wrklock);
656	}	933	}
657		934
658	static void atfork_child (void)	935	static void atfork_child (void)
659	{	936	{
660	aio_req prv;	937	bdb_req prv;
661		938
662	while (prv = reqq_shift (&req_queue))	939	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	940	req_free (prv);
664		941
665	while (prv = reqq_shift (&res_queue))	942	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	957	idle = 0;
681	nreqs = 0;	958	nreqs = 0;
682	nready = 0;	959	nready = 0;
683	npending = 0;	960	npending = 0;
684		961
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	962	create_respipe ();
688		963
689	atfork_parent ();	964	atfork_parent ();
690	}	965	}
691		966
692	#define dREQ(reqtype) \	967	#define dREQ(reqtype) \
693	aio_req req; \	968	bdb_req req; \
694	int req_pri = next_pri; \	969	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	970	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	971	\
697	if (SvOK (callback) && !SvROK (callback)) \	972	if (SvOK (callback) && !SvROK (callback)) \
698	croak ("callback must be undef or of reference type"); \	973	croak ("callback must be undef or of reference type"); \
699	\	974	\
700	Newz (0, req, 1, aio_cb); \	975	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	976	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	977	croak ("out of memory during bdb_req allocation"); \
703	\	978	\
704	req->callback = newSVsv (callback); \	979	req->callback = newSVsv (callback); \
705	req->type = (reqtype); \	980	req->type = (reqtype); \
706	req->pri = req_pri	981	req->pri = req_pri
707		982
708	#define REQ_SEND \	983	#define REQ_SEND \
709	req_send (req)	984	req_send (req)
710		985
711	#define SvPTR(var, arg, type, class) \	986	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	987	if (!SvOK (arg)) \
		988	{ \
		989	if (nullok != 1) \
		990	croak (# var " must be a " # class " object, not undef"); \
		991	\
713	(var) = 0; \	992	(var) = 0; \
		993	} \
714	else if (sv_derived_from ((arg), # class)) \	994	else if (sv_derived_from ((arg), # class)) \
715	{ \	995	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	996	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	997	(var) = INT2PTR (type, tmp); \
		998	if (!var && nullok != 2) \
		999	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1000	} \
719	else \	1001	else \
720	Perl_croak (# var " is not of type " # class)	1002	croak (# var " is not of type " # class); \
		1003	\
721		1004
722	inline void	1005	static void
723	set_dbt (DBT *dbt, SV *sv)	1006	ptr_nuke (SV *sv)
724	{	1007	{
725	STRLEN len;	1008	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	1009	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	1010	}
732		1011
		1012	static int
		1013	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1014	{
		1015	if (*mg->mg_ptr == '!') // should always be the case
		1016	if (-30999 <= errno && errno <= -30800)
		1017	{
		1018	sv_setnv (sv, (NV)errno);
		1019	sv_setpv (sv, db_strerror (errno));
		1020	SvNOK_on (sv); /* what a wonderful hack! */
		1021	// ^^^ copied from perl sources
		1022	return 0;
		1023	}
		1024
		1025	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1026	}
		1027
		1028	static MGVTBL vtbl_errno;
		1029
		1030	// this wonderful hack :( patches perl's $! variable to support our errno values
		1031	static void
		1032	patch_errno (void)
		1033	{
		1034	SV *sv;
		1035	MAGIC *mg;
		1036
		1037	if (!(sv = get_sv ("!", 1)))
		1038	return;
		1039
		1040	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1041	return;
		1042
		1043	if (mg->mg_virtual != &PL_vtbl_sv)
		1044	return;
		1045
		1046	vtbl_errno = PL_vtbl_sv;
		1047	vtbl_errno.svt_get = errno_get;
		1048	mg->mg_virtual = &vtbl_errno;
		1049	}
		1050
733	MODULE = BDB PACKAGE = BDB	1051	MODULE = BDB PACKAGE = BDB
734		1052
735	PROTOTYPES: ENABLE	1053	PROTOTYPES: ENABLE
736		1054
737	BOOT:	1055	BOOT:
…		…
752	const_iv (INIT_TXN)	1070	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1071	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1072	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1073	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1074	const_iv (CREATE)
		1075	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1076	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1077	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1078	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1079	const_iv (PRIVATE)
761	const_iv (REGISTER)	1080	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1081	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1082	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1083	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1084	const_iv (DIRECT_DB)
766	const_iv (DIRECT_LOG)
767	const_iv (DSYNC_DB)	1085	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	1086	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1087	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1088	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1089	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1090	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1091	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1092	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1093	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1094	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1095	const_iv (TXN_WRITE_NOSYNC)
		1096	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1097	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1098	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1099	const_iv (XA_CREATE)
785	const_iv (BTREE)	1100	const_iv (BTREE)
786	const_iv (HASH)	1101	const_iv (HASH)
787	const_iv (QUEUE)	1102	const_iv (QUEUE)
788	const_iv (RECNO)	1103	const_iv (RECNO)
789	const_iv (UNKNOWN)	1104	const_iv (UNKNOWN)
790	const_iv (EXCL)	1105	const_iv (EXCL)
		1106	const_iv (READ_COMMITTED)
791	const_iv (READ_UNCOMMITTED)	1107	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	1108	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	1109	const_iv (NOSYNC)
794	const_iv (CHKSUM)	1110	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	1111	const_iv (ENCRYPT)
796	const_iv (TXN_NOT_DURABLE)
797	const_iv (DUP)	1112	const_iv (DUP)
798	const_iv (DUPSORT)	1113	const_iv (DUPSORT)
799	const_iv (RECNUM)	1114	const_iv (RECNUM)
800	const_iv (RENUMBER)	1115	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	1116	const_iv (REVSPLITOFF)
802	const_iv (INORDER)	1117	const_iv (INORDER)
803	const_iv (CONSUME)	1118	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	1119	const_iv (CONSUME_WAIT)
		1120	const_iv (GET_BOTH)
		1121	const_iv (GET_BOTH_RANGE)
		1122	//const_iv (SET_RECNO)
		1123	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	1124	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	1125	const_iv (JOIN_ITEM)
		1126	const_iv (JOIN_NOSORT)
807	const_iv (RMW)	1127	const_iv (RMW)
808		1128
809	const_iv (NOTFOUND)	1129	const_iv (NOTFOUND)
810	const_iv (KEYEMPTY)	1130	const_iv (KEYEMPTY)
811	const_iv (LOCK_DEADLOCK)	1131	const_iv (LOCK_DEADLOCK)
812	const_iv (LOCK_NOTGRANTED)	1132	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	1133	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	1134	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	1135	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	1136	const_iv (REP_LOCKOUT)
		1137	const_iv (SECONDARY_BAD)
817		1138
818	const_iv (FREE_SPACE)	1139	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)	1140	const_iv (FREELIST_ONLY)
820		1141
821	const_iv (APPEND)	1142	const_iv (APPEND)
822	const_iv (NODUPDATA)	1143	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1144	const_iv (NOOVERWRITE)
824		1145
		1146	const_iv (TXN_NOWAIT)
		1147	const_iv (TXN_SYNC)
		1148
825	const_iv (SET_LOCK_TIMEOUT)	1149	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1150	const_iv (SET_TXN_TIMEOUT)
		1151
		1152	const_iv (FIRST)
		1153	const_iv (NEXT)
		1154	const_iv (NEXT_DUP)
		1155	const_iv (NEXT_NODUP)
		1156	const_iv (PREV)
		1157	const_iv (PREV_NODUP)
		1158	const_iv (SET)
		1159	const_iv (SET_RANGE)
		1160	const_iv (LAST)
		1161	const_iv (BEFORE)
		1162	const_iv (AFTER)
		1163	const_iv (CURRENT)
		1164	const_iv (KEYFIRST)
		1165	const_iv (KEYLAST)
		1166	const_iv (NODUPDATA)
		1167
		1168	const_iv (FORCE)
		1169
		1170	const_iv (LOCK_DEFAULT)
		1171	const_iv (LOCK_EXPIRE)
		1172	const_iv (LOCK_MAXLOCKS)
		1173	const_iv (LOCK_MAXWRITE)
		1174	const_iv (LOCK_MINLOCKS)
		1175	const_iv (LOCK_MINWRITE)
		1176	const_iv (LOCK_OLDEST)
		1177	const_iv (LOCK_RANDOM)
		1178	const_iv (LOCK_YOUNGEST)
		1179
		1180	const_iv (SEQ_DEC)
		1181	const_iv (SEQ_INC)
		1182	const_iv (SEQ_WRAP)
		1183
		1184	const_iv (BUFFER_SMALL)
		1185	const_iv (DONOTINDEX)
		1186	const_iv (KEYEMPTY )
		1187	const_iv (KEYEXIST )
		1188	const_iv (LOCK_DEADLOCK)
		1189	const_iv (LOCK_NOTGRANTED)
		1190	const_iv (LOG_BUFFER_FULL)
		1191	const_iv (NOSERVER)
		1192	const_iv (NOSERVER_HOME)
		1193	const_iv (NOSERVER_ID)
		1194	const_iv (NOTFOUND)
		1195	const_iv (PAGE_NOTFOUND)
		1196	const_iv (REP_DUPMASTER)
		1197	const_iv (REP_HANDLE_DEAD)
		1198	const_iv (REP_HOLDELECTION)
		1199	const_iv (REP_IGNORE)
		1200	const_iv (REP_ISPERM)
		1201	const_iv (REP_JOIN_FAILURE)
		1202	const_iv (REP_LOCKOUT)
		1203	const_iv (REP_NEWMASTER)
		1204	const_iv (REP_NEWSITE)
		1205	const_iv (REP_NOTPERM)
		1206	const_iv (REP_UNAVAIL)
		1207	const_iv (RUNRECOVERY)
		1208	const_iv (SECONDARY_BAD)
		1209	const_iv (VERIFY_BAD)
		1210	const_iv (VERSION_MISMATCH)
		1211
		1212	const_iv (VERB_DEADLOCK)
		1213	const_iv (VERB_RECOVERY)
		1214	const_iv (VERB_REGISTER)
		1215	const_iv (VERB_REPLICATION)
		1216	const_iv (VERB_WAITSFOR)
		1217
		1218	const_iv (VERSION_MAJOR)
		1219	const_iv (VERSION_MINOR)
		1220	const_iv (VERSION_PATCH)
		1221	#if DB_VERSION_MINOR >= 5
		1222	const_iv (MULTIVERSION)
		1223	const_iv (TXN_SNAPSHOT)
		1224	#endif
		1225	#if DB_VERSION_MINOR >= 6
		1226	const_iv (PREV_DUP)
		1227	const_iv (PRIORITY_UNCHANGED)
		1228	const_iv (PRIORITY_VERY_LOW)
		1229	const_iv (PRIORITY_LOW)
		1230	const_iv (PRIORITY_DEFAULT)
		1231	const_iv (PRIORITY_HIGH)
		1232	const_iv (PRIORITY_VERY_HIGH)
		1233	#endif
		1234	#if DB_VERSION_MINOR >= 7
		1235	const_iv (LOG_DIRECT)
		1236	const_iv (LOG_DSYNC)
		1237	const_iv (LOG_AUTO_REMOVE)
		1238	const_iv (LOG_IN_MEMORY)
		1239	const_iv (LOG_ZERO)
		1240	#else
		1241	const_iv (DIRECT_LOG)
		1242	const_iv (DSYNC_LOG)
		1243	const_iv (LOG_AUTOREMOVE)
		1244	const_iv (LOG_INMEMORY)
		1245	#endif
827	};	1246	};
828		1247
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1248	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1249	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
831		1250
832	create_pipe ();	1251	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1252	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1253
		1254	create_respipe ();
		1255
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1256	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1257	patch_errno ();
834	}	1258	}
835		1259
836	void	1260	void
837	max_poll_reqs (int nreqs)	1261	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1262	PROTOTYPE: $
…		…
957		1381
958	int	1382	int
959	nthreads ()	1383	nthreads ()
960	PROTOTYPE:	1384	PROTOTYPE:
961	CODE:	1385	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1386	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1387	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1388	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1389	OUTPUT:
966	RETVAL	1390	RETVAL
967		1391
968	void	1392	void
969	set_sync_prepare (SV *cb)	1393	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1394	PROTOTYPE: &
971	CODE:	1395	CODE:
972	SvREFCNT_dec (prepare_cb);	1396	SvREFCNT_dec (prepare_cb);
973	prepare_cb = newSVsv (cb);	1397	prepare_cb = newSVsv (cb);
		1398
		1399	char *
		1400	strerror (int errorno = errno)
		1401	PROTOTYPE: ;$
		1402	CODE:
		1403	RETVAL = db_strerror (errorno);
		1404	OUTPUT:
		1405	RETVAL
		1406
		1407	void _on_next_submit (SV *cb)
		1408	CODE:
		1409	SvREFCNT_dec (on_next_submit);
		1410	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
974		1411
975	DB_ENV *	1412	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1413	db_env_create (U32 env_flags = 0)
977	CODE:	1414	CODE:
978	{	1415	{
979	errno = db_env_create (&RETVAL, env_flags);	1416	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1417	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1418	croak ("db_env_create: %s", db_strerror (errno));
		1419
		1420	if (0)
		1421	{
		1422	RETVAL->set_errcall (RETVAL, debug_errcall);
		1423	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1424	}
982	}	1425	}
983	OUTPUT:	1426	OUTPUT:
984	RETVAL	1427	RETVAL
985		1428
986	void	1429	void
987	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1430	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
988	CODE:	1431	CODE:
989	{	1432	{
990	dREQ (REQ_ENV_OPEN);	1433	dREQ (REQ_ENV_OPEN);
		1434
991	req->env = env;	1435	req->env = env;
992	req->uint1 = open_flags | DB_THREAD;	1436	req->uint1 = open_flags | DB_THREAD;
993	req->int1 = mode;	1437	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1438	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1439	REQ_SEND;
…		…
1001	{	1445	{
1002	dREQ (REQ_ENV_CLOSE);	1446	dREQ (REQ_ENV_CLOSE);
1003	req->env = env;	1447	req->env = env;
1004	req->uint1 = flags;	1448	req->uint1 = flags;
1005	REQ_SEND;	1449	REQ_SEND;
		1450	ptr_nuke (ST (0));
		1451	}
		1452
		1453	void
		1454	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1455	CODE:
		1456	{
		1457	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1458	req->env = env;
		1459	req->uint1 = kbyte;
		1460	req->int1 = min;
		1461	req->uint2 = flags;
		1462	REQ_SEND;
		1463	}
		1464
		1465	void
		1466	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1467	CODE:
		1468	{
		1469	dREQ (REQ_ENV_LOCK_DETECT);
		1470	req->env = env;
		1471	req->uint1 = flags;
		1472	req->uint2 = atype;
		1473	REQ_SEND;
		1474	}
		1475
		1476	void
		1477	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1478	CODE:
		1479	{
		1480	dREQ (REQ_ENV_MEMP_SYNC);
		1481	req->env = env;
		1482	REQ_SEND;
		1483	}
		1484
		1485	void
		1486	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1487	CODE:
		1488	{
		1489	dREQ (REQ_ENV_MEMP_TRICKLE);
		1490	req->env = env;
		1491	req->int1 = percent;
		1492	REQ_SEND;
		1493	}
		1494
		1495	void
		1496	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = &PL_sv_undef)
		1497	CODE:
		1498	{
		1499	dREQ (REQ_ENV_DBREMOVE);
		1500	req->env = env;
		1501	req->buf1 = strdup_ornull (file);
		1502	req->buf2 = strdup_ornull (database);
		1503	req->uint1 = flags;
		1504	REQ_SEND;
		1505	}
		1506
		1507	void
		1508	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = &PL_sv_undef)
		1509	CODE:
		1510	{
		1511	dREQ (REQ_ENV_DBRENAME);
		1512	req->env = env;
		1513	req->buf1 = strdup_ornull (file);
		1514	req->buf2 = strdup_ornull (database);
		1515	req->buf3 = strdup_ornull (newname);
		1516	req->uint1 = flags;
		1517	REQ_SEND;
1006	}	1518	}
1007		1519
1008	DB *	1520	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1521	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1522	CODE:
1011	{	1523	{
1012	errno = db_create (&RETVAL, env, flags);	1524	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1525	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1526	croak ("db_create: %s", db_strerror (errno));
		1527
		1528	if (RETVAL)
		1529	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1530	}
1016	OUTPUT:	1531	OUTPUT:
1017	RETVAL	1532	RETVAL
1018		1533
1019	void	1534	void
1020	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1535	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1021	CODE:	1536	CODE:
1022	{	1537	{
1023	dREQ (REQ_DB_OPEN);	1538	dREQ (REQ_DB_OPEN);
1024	req->db = db;	1539	req->db = db;
1025	req->txn = txnid;	1540	req->txn = txnid;
…		…
1036	CODE:	1551	CODE:
1037	{	1552	{
1038	dREQ (REQ_DB_CLOSE);	1553	dREQ (REQ_DB_CLOSE);
1039	req->db = db;	1554	req->db = db;
1040	req->uint1 = flags;	1555	req->uint1 = flags;
		1556	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1557	REQ_SEND;
		1558	ptr_nuke (ST (0));
1042	}	1559	}
1043		1560
1044	void	1561	void
1045	db_compact (DB *db, DB_TXN *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1562	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)
1046	CODE:	1563	CODE:
1047	{	1564	{
1048	dREQ (REQ_DB_COMPACT);	1565	dREQ (REQ_DB_COMPACT);
1049	req->db = db;	1566	req->db = db;
1050	req->txn = txn;	1567	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1568	sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1569	sv_to_dbt (&req->dbt2, stop);
1053	req->uint1 = flags;	1570	req->uint1 = flags;
1054	REQ_SEND;	1571	REQ_SEND;
1055	}	1572	}
1056		1573
1057	void	1574	void
…		…
1063	req->uint1 = flags;	1580	req->uint1 = flags;
1064	REQ_SEND;	1581	REQ_SEND;
1065	}	1582	}
1066		1583
1067	void	1584	void
		1585	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1586	CODE:
		1587	{
		1588	dREQ (REQ_DB_SYNC);
		1589	req->db = db;
		1590	req->buf1 = strdup (file);
		1591	req->uint1 = flags;
		1592	REQ_SEND;
		1593	}
		1594
		1595	void
		1596	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1597	CODE:
		1598	{
		1599	dREQ (REQ_DB_KEY_RANGE);
		1600	req->db = db;
		1601	req->txn = txn;
		1602	sv_to_dbt (&req->dbt1, key);
		1603	req->uint1 = flags;
		1604	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1605	REQ_SEND;
		1606	}
		1607
		1608	void
1068	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1609	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1069	CODE:	1610	CODE:
1070	{	1611	{
1071	dREQ (REQ_DB_PUT);	1612	dREQ (REQ_DB_PUT);
1072	req->db = db;	1613	req->db = db;
1073	req->txn = 0;	1614	req->txn = txn;
1074	set_dbt (&req->dbt1, key);	1615	sv_to_dbt (&req->dbt1, key);
1075	set_dbt (&req->dbt2, data);	1616	sv_to_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1617	req->uint1 = flags;
1077	REQ_SEND;	1618	REQ_SEND;
1078	}	1619	}
1079		1620
		1621	void
		1622	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1623	CODE:
		1624	if (SvREADONLY (data))
		1625	croak ("can't modify read-only data scalar in db_get");
		1626	{
		1627	dREQ (REQ_DB_GET);
		1628	req->db = db;
		1629	req->txn = txn;
		1630	req->uint1 = flags;
		1631	sv_to_dbt (&req->dbt1, key);
		1632	req->dbt3.flags = DB_DBT_MALLOC;
		1633	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1634	REQ_SEND;
		1635	}
		1636
		1637	void
		1638	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1639	CODE:
		1640	if (SvREADONLY (data))
		1641	croak ("can't modify read-only data scalar in db_pget");
		1642	{
		1643	dREQ (REQ_DB_PGET);
		1644	req->db = db;
		1645	req->txn = txn;
		1646	req->uint1 = flags;
		1647	sv_to_dbt (&req->dbt1, key);
		1648	sv_to_dbt (&req->dbt2, pkey);
		1649	req->dbt3.flags = DB_DBT_MALLOC;
		1650	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1651	REQ_SEND;
		1652	}
		1653
		1654	void
		1655	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1656	CODE:
		1657	{
		1658	dREQ (REQ_DB_DEL);
		1659	req->db = db;
		1660	req->txn = txn;
		1661	req->uint1 = flags;
		1662	sv_to_dbt (&req->dbt1, key);
		1663	REQ_SEND;
		1664	}
		1665
		1666	void
		1667	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1668	CODE:
		1669	{
		1670	dREQ (REQ_TXN_COMMIT);
		1671	req->txn = txn;
		1672	req->uint1 = flags;
		1673	REQ_SEND;
		1674	ptr_nuke (ST (0));
		1675	}
		1676
		1677	void
		1678	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1679	CODE:
		1680	{
		1681	dREQ (REQ_TXN_ABORT);
		1682	req->txn = txn;
		1683	REQ_SEND;
		1684	ptr_nuke (ST (0));
		1685	}
		1686
		1687	void
		1688	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1689	CODE:
		1690	{
		1691	dREQ (REQ_TXN_FINISH);
		1692	req->txn = txn;
		1693	req->uint1 = flags;
		1694	REQ_SEND;
		1695	ptr_nuke (ST (0));
		1696	}
		1697
		1698	void
		1699	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1700	CODE:
		1701	{
		1702	dREQ (REQ_C_CLOSE);
		1703	req->dbc = dbc;
		1704	REQ_SEND;
		1705	ptr_nuke (ST (0));
		1706	}
		1707
		1708	void
		1709	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1710	CODE:
		1711	{
		1712	dREQ (REQ_C_COUNT);
		1713	req->dbc = dbc;
		1714	req->sv1 = SvREFCNT_inc (count);
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
		1719	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1720	CODE:
		1721	{
		1722	dREQ (REQ_C_PUT);
		1723	req->dbc = dbc;
		1724	sv_to_dbt (&req->dbt1, key);
		1725	sv_to_dbt (&req->dbt2, data);
		1726	req->uint1 = flags;
		1727	REQ_SEND;
		1728	}
		1729
		1730	void
		1731	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1732	CODE:
		1733	{
		1734	dREQ (REQ_C_GET);
		1735	req->dbc = dbc;
		1736	req->uint1 = flags;
		1737	if ((flags & DB_SET) == DB_SET
		1738	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1739	sv_to_dbt (&req->dbt1, key);
		1740	else
		1741	req->dbt1.flags = DB_DBT_MALLOC;
		1742
		1743	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1744
		1745	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1746	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1747	sv_to_dbt (&req->dbt3, data);
		1748	else
		1749	req->dbt3.flags = DB_DBT_MALLOC;
		1750
		1751	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1752	REQ_SEND;
		1753	}
		1754
		1755	void
		1756	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1757	CODE:
		1758	{
		1759	dREQ (REQ_C_PGET);
		1760	req->dbc = dbc;
		1761	req->uint1 = flags;
		1762	if ((flags & DB_SET) == DB_SET
		1763	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1764	sv_to_dbt (&req->dbt1, key);
		1765	else
		1766	req->dbt1.flags = DB_DBT_MALLOC;
		1767
		1768	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1769
		1770	req->dbt2.flags = DB_DBT_MALLOC;
		1771	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1772
		1773	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1774	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1775	sv_to_dbt (&req->dbt3, data);
		1776	else
		1777	req->dbt3.flags = DB_DBT_MALLOC;
		1778
		1779	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1780	REQ_SEND;
		1781	}
		1782
		1783	void
		1784	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1785	CODE:
		1786	{
		1787	dREQ (REQ_C_DEL);
		1788	req->dbc = dbc;
		1789	req->uint1 = flags;
		1790	REQ_SEND;
		1791	}
		1792
		1793
		1794	void
		1795	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1796	CODE:
		1797	{
		1798	dREQ (REQ_SEQ_OPEN);
		1799	req->seq = seq;
		1800	req->txn = txnid;
		1801	req->uint1 = flags | DB_THREAD;
		1802	sv_to_dbt (&req->dbt1, key);
		1803	REQ_SEND;
		1804	}
		1805
		1806	void
		1807	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1808	CODE:
		1809	{
		1810	dREQ (REQ_SEQ_CLOSE);
		1811	req->seq = seq;
		1812	req->uint1 = flags;
		1813	REQ_SEND;
		1814	ptr_nuke (ST (0));
		1815	}
		1816
		1817	void
		1818	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
		1819	CODE:
		1820	{
		1821	dREQ (REQ_SEQ_GET);
		1822	req->seq = seq;
		1823	req->txn = txnid;
		1824	req->int1 = delta;
		1825	req->uint1 = flags;
		1826	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1827	REQ_SEND;
		1828	}
		1829
		1830	void
		1831	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1832	CODE:
		1833	{
		1834	dREQ (REQ_SEQ_REMOVE);
		1835	req->seq = seq;
		1836	req->txn = txnid;
		1837	req->uint1 = flags;
		1838	REQ_SEND;
		1839	}
		1840
1080		1841
1081	MODULE = BDB PACKAGE = BDB::Env	1842	MODULE = BDB PACKAGE = BDB::Env
1082		1843
		1844	void
		1845	DESTROY (DB_ENV_ornuked *env)
		1846	CODE:
		1847	if (env)
		1848	env->close (env, 0);
		1849
		1850	int set_data_dir (DB_ENV *env, const char *dir)
		1851	CODE:
		1852	RETVAL = env->set_data_dir (env, dir);
		1853	OUTPUT:
		1854	RETVAL
		1855
		1856	int set_tmp_dir (DB_ENV *env, const char *dir)
		1857	CODE:
		1858	RETVAL = env->set_tmp_dir (env, dir);
		1859	OUTPUT:
		1860	RETVAL
		1861
		1862	int set_lg_dir (DB_ENV *env, const char *dir)
		1863	CODE:
		1864	RETVAL = env->set_lg_dir (env, dir);
		1865	OUTPUT:
		1866	RETVAL
		1867
		1868	int set_shm_key (DB_ENV *env, long shm_key)
		1869	CODE:
		1870	RETVAL = env->set_shm_key (env, shm_key);
		1871	OUTPUT:
		1872	RETVAL
		1873
1083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1874	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1084	CODE:	1875	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1876	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	1877	OUTPUT:
1087	RETVAL	1878	RETVAL
1088		1879
1089	int set_flags (DB_ENV *env, U32 flags, int onoff)	1880	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1090	CODE:	1881	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	1882	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	1883	OUTPUT:
1093	RETVAL	1884	RETVAL
1094		1885
		1886	#if DB_VERSION_MINOR >= 7
		1887
		1888	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		1889	CODE:
		1890	RETVAL = env->set_intermediate_dir_mode (env, mode);
		1891	OUTPUT:
		1892	RETVAL
		1893
		1894	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		1895	CODE:
		1896	RETVAL = env->log_set_config (env, flags, onoff);
		1897	OUTPUT:
		1898	RETVAL
		1899
		1900	#endif
		1901
		1902
		1903	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1904	CODE:
		1905	env->set_errfile (env, errfile);
		1906
		1907	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1908	CODE:
		1909	env->set_msgfile (env, msgfile);
		1910
		1911	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1912	CODE:
		1913	RETVAL = env->set_verbose (env, which, onoff);
		1914	OUTPUT:
		1915	RETVAL
		1916
1095	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1917	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1096	CODE:	1918	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	1919	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	1920	OUTPUT:
1099	RETVAL	1921	RETVAL
1100		1922
1101	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1923	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1102	CODE:	1924	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1925	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	1926	OUTPUT:
1105	RETVAL	1927	RETVAL
1106		1928
		1929	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1930	CODE:
		1931	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1932	OUTPUT:
		1933	RETVAL
		1934
		1935	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1936	CODE:
		1937	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1938	OUTPUT:
		1939	RETVAL
		1940
		1941	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1942	CODE:
		1943	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1944	OUTPUT:
		1945	RETVAL
		1946
		1947	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1948	CODE:
		1949	RETVAL = env->set_lk_detect (env, detect);
		1950	OUTPUT:
		1951	RETVAL
		1952
		1953	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1954	CODE:
		1955	RETVAL = env->set_lk_max_lockers (env, max);
		1956	OUTPUT:
		1957	RETVAL
		1958
		1959	int set_lk_max_locks (DB_ENV *env, U32 max)
		1960	CODE:
		1961	RETVAL = env->set_lk_max_locks (env, max);
		1962	OUTPUT:
		1963	RETVAL
		1964
		1965	int set_lk_max_objects (DB_ENV *env, U32 max)
		1966	CODE:
		1967	RETVAL = env->set_lk_max_objects (env, max);
		1968	OUTPUT:
		1969	RETVAL
		1970
		1971	int set_lg_bsize (DB_ENV *env, U32 max)
		1972	CODE:
		1973	RETVAL = env->set_lg_bsize (env, max);
		1974	OUTPUT:
		1975	RETVAL
		1976
		1977	int set_lg_max (DB_ENV *env, U32 max)
		1978	CODE:
		1979	RETVAL = env->set_lg_max (env, max);
		1980	OUTPUT:
		1981	RETVAL
		1982
		1983	int mutex_set_max (DB_ENV *env, U32 max)
		1984	CODE:
		1985	RETVAL = env->mutex_set_max (env, max);
		1986	OUTPUT:
		1987	RETVAL
		1988
		1989	int mutex_set_increment (DB_ENV *env, U32 increment)
		1990	CODE:
		1991	RETVAL = env->mutex_set_increment (env, increment);
		1992	OUTPUT:
		1993	RETVAL
		1994
		1995	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1996	CODE:
		1997	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1998	OUTPUT:
		1999	RETVAL
		2000
		2001	int mutex_set_align (DB_ENV *env, U32 align)
		2002	CODE:
		2003	RETVAL = env->mutex_set_align (env, align);
		2004	OUTPUT:
		2005	RETVAL
		2006
		2007	DB_TXN *
		2008	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2009	CODE:
		2010	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2011	if (errno)
		2012	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2013	OUTPUT:
		2014	RETVAL
1107		2015
1108	MODULE = BDB PACKAGE = BDB::Db	2016	MODULE = BDB PACKAGE = BDB::Db
1109		2017
		2018	void
		2019	DESTROY (DB_ornuked *db)
		2020	CODE:
		2021	if (db)
		2022	{
		2023	SV *env = (SV *)db->app_private;
		2024	db->close (db, 0);
		2025	SvREFCNT_dec (env);
		2026	}
		2027
1110	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2028	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1111	CODE:	2029	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2030	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	2031	OUTPUT:
1114	RETVAL	2032	RETVAL
1115		2033
1116	int set_flags (DB *db, U32 flags);	2034	int set_flags (DB *db, U32 flags)
1117	CODE:	2035	CODE:
1118	RETVAL = db->set_flags (db, flags);	2036	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	2037	OUTPUT:
1120	RETVAL	2038	RETVAL
1121		2039
…		…
1129	CODE:	2047	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	2048	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	2049	OUTPUT:
1132	RETVAL	2050	RETVAL
1133		2051
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	2052	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	2053	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	2054	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	2055	OUTPUT:
1139	RETVAL	2056	RETVAL
1140		2057
1141	int set_re_delim(DB *db, int delim);	2058	int set_re_delim (DB *db, int delim)
1142	CODE:	2059	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	2060	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	2061	OUTPUT:
1145	RETVAL	2062	RETVAL
1146		2063
…		…
1178	CODE:	2095	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	2096	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	2097	OUTPUT:
1181	RETVAL	2098	RETVAL
1182		2099
		2100	DBC *
		2101	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2102	CODE:
		2103	errno = db->cursor (db, txn, &RETVAL, flags);
		2104	if (errno)
		2105	croak ("DB->cursor: %s", db_strerror (errno));
		2106	OUTPUT:
		2107	RETVAL
1183		2108
		2109	DB_SEQUENCE *
		2110	sequence (DB *db, U32 flags = 0)
		2111	CODE:
		2112	{
		2113	errno = db_sequence_create (&RETVAL, db, flags);
		2114	if (errno)
		2115	croak ("db_sequence_create: %s", db_strerror (errno));
		2116	}
		2117	OUTPUT:
		2118	RETVAL
		2119
		2120
		2121	MODULE = BDB PACKAGE = BDB::Txn
		2122
		2123	void
		2124	DESTROY (DB_TXN_ornuked *txn)
		2125	CODE:
		2126	if (txn)
		2127	txn->abort (txn);
		2128
		2129	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2130	CODE:
		2131	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2132	OUTPUT:
		2133	RETVAL
		2134
		2135	int failed (DB_TXN *txn)
		2136	CODE:
		2137	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2138	OUTPUT:
		2139	RETVAL
		2140
		2141
		2142	MODULE = BDB PACKAGE = BDB::Cursor
		2143
		2144	void
		2145	DESTROY (DBC_ornuked *dbc)
		2146	CODE:
		2147	if (dbc)
		2148	dbc->c_close (dbc);
		2149
		2150	#if DB_VERSION_MINOR >= 6
		2151
		2152	int set_priority (DBC *dbc, int priority)
		2153	CODE:
		2154	dbc->set_priority (dbc, priority);
		2155
		2156	#endif
		2157
		2158	MODULE = BDB PACKAGE = BDB::Sequence
		2159
		2160	void
		2161	DESTROY (DB_SEQUENCE_ornuked *seq)
		2162	CODE:
		2163	if (seq)
		2164	seq->close (seq, 0);
		2165
		2166	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2167	CODE:
		2168	RETVAL = seq->initial_value (seq, value);
		2169	OUTPUT:
		2170	RETVAL
		2171
		2172	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2173	CODE:
		2174	RETVAL = seq->set_cachesize (seq, size);
		2175	OUTPUT:
		2176	RETVAL
		2177
		2178	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2179	CODE:
		2180	RETVAL = seq->set_flags (seq, flags);
		2181	OUTPUT:
		2182	RETVAL
		2183
		2184	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2185	CODE:
		2186	RETVAL = seq->set_range (seq, min, max);
		2187	OUTPUT:
		2188	RETVAL
		2189
		2190

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