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Comparing BDB/BDB.xs (file contents):
Revision 1.4 by root, Mon Feb 5 22:31:05 2007 UTC vs.
Revision 1.44 by root, Wed Jul 9 21:00:13 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 (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	{
		416	SvREFCNT_dec (req->callback);
		417
284	free (req->buf1);	418	free (req->buf1);
285	free (req->buf2);	419	free (req->buf2);
		420	free (req->buf3);
		421
286	Safefree (req);	422	Safefree (req);
287	}	423	}
288		424
289	static void *aio_proc (void *arg);	425	#ifdef USE_SOCKETS_AS_HANDLES
		426	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		427	#else
		428	# define TO_SOCKET(x) (x)
		429	#endif
		430
		431	static void
		432	create_respipe (void)
		433	{
		434	#ifdef _WIN32
		435	int arg; /* argg */
		436	#endif
		437	int old_readfd = respipe [0];
		438
		439	if (respipe [1] >= 0)
		440	respipe_close (TO_SOCKET (respipe [1]));
		441
		442	#ifdef _WIN32
		443	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		444	#else
		445	if (pipe (respipe))
		446	#endif
		447	croak ("unable to initialize result pipe");
		448
		449	if (old_readfd >= 0)
		450	{
		451	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		452	croak ("unable to initialize result pipe(2)");
		453
		454	respipe_close (respipe [0]);
		455	respipe [0] = old_readfd;
		456	}
		457
		458	#ifdef _WIN32
		459	arg = 1;
		460	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		461	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		462	#else
		463	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		464	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		465	#endif
		466	croak ("unable to initialize result pipe(3)");
		467
		468	respipe_osf [0] = TO_SOCKET (respipe [0]);
		469	respipe_osf [1] = TO_SOCKET (respipe [1]);
		470	}
		471
		472	X_THREAD_PROC (bdb_proc);
290		473
291	static void start_thread (void)	474	static void start_thread (void)
292	{	475	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	476	worker *wrk = calloc (1, sizeof (worker));
297		477
298	if (!wrk)	478	if (!wrk)
299	croak ("unable to allocate worker thread data");	479	croak ("unable to allocate worker thread data");
300		480
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);	481	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	482	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	483	{
314	wrk->prev = &wrk_first;	484	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	485	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	486	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	487	wrk_first.next = wrk;
318	++started;	488	++started;
319	}	489	}
320	else	490	else
321	free (wrk);	491	free (wrk);
322		492
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	493	X_UNLOCK (wrklock);
325	}	494	}
326		495
327	static void maybe_start_thread ()	496	static void maybe_start_thread (void)
328	{	497	{
329	if (get_nthreads () >= wanted)	498	if (get_nthreads () >= wanted)
330	return;	499	return;
331		500
332	/* todo: maybe use idle here, but might be less exact */	501	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	503	return;
335		504
336	start_thread ();	505	start_thread ();
337	}	506	}
338		507
339	static void req_send (aio_req req)	508	static void req_send (bdb_req req)
340	{	509	{
341	SV *wait_callback = 0;	510	SV *wait_callback = 0;
342		511
		512	if (on_next_submit)
		513	{
		514	dSP;
		515	SV *cb = sv_2mortal (on_next_submit);
		516
		517	on_next_submit = 0;
		518
		519	PUSHMARK (SP);
		520	PUTBACK;
		521	call_sv (cb, G_DISCARD | G_EVAL);
		522	}
		523
343	// synthesize callback if none given	524	// synthesize callback if none given
344	if (!SvOK (req->callback))	525	if (!req->callback)
345	{	526	{
		527	int count;
		528
346	dSP;	529	dSP;
347	PUSHMARK (SP);	530	PUSHMARK (SP);
348	PUTBACK;	531	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	532	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	533	SPAGAIN;
351		534
352	if (count != 2)	535	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	536	croak ("prepare callback must return exactly two values\n");
354		537
355	wait_callback = SvREFCNT_inc (POPs);	538	wait_callback = POPs;
356	SvREFCNT_dec (req->callback);	539	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);	540	req->callback = SvREFCNT_inc (POPs);
358	}	541	}
359		542
360	++nreqs;	543	++nreqs;
361		544
362	LOCK (reqlock);	545	X_LOCK (reqlock);
363	++nready;	546	++nready;
364	reqq_push (&req_queue, req);	547	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	548	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	549	X_UNLOCK (reqlock);
367		550
368	maybe_start_thread ();	551	maybe_start_thread ();
369		552
370	if (wait_callback)	553	if (wait_callback)
371	{	554	{
372	dSP;	555	dSP;
373	PUSHMARK (SP);	556	PUSHMARK (SP);
374	PUTBACK;	557	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	558	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	559	}
378	}	560	}
379		561
380	static void end_thread (void)	562	static void end_thread (void)
381	{	563	{
382	aio_req req;	564	bdb_req req;
383		565
384	Newz (0, req, 1, aio_cb);	566	Newz (0, req, 1, bdb_cb);
385		567
386	req->type = REQ_QUIT;	568	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	569	req->pri = PRI_MAX + PRI_BIAS;
388		570
389	LOCK (reqlock);	571	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	572	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	573	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	574	X_UNLOCK (reqlock);
393		575
394	LOCK (wrklock);	576	X_LOCK (wrklock);
395	--started;	577	--started;
396	UNLOCK (wrklock);	578	X_UNLOCK (wrklock);
397	}	579	}
398		580
399	static void set_max_idle (int nthreads)	581	static void set_max_idle (int nthreads)
400	{	582	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	583	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	584	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	585	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	586	}
405		587
406	static void min_parallel (int nthreads)	588	static void min_parallel (int nthreads)
407	{	589	{
408	if (wanted < nthreads)	590	if (wanted < nthreads)
…		…
416		598
417	while (started > wanted)	599	while (started > wanted)
418	end_thread ();	600	end_thread ();
419	}	601	}
420		602
421	static void poll_wait ()	603	static void poll_wait (void)
422	{	604	{
423	fd_set rfd;	605	fd_set rfd;
424		606
425	while (nreqs)	607	while (nreqs)
426	{	608	{
427	int size;	609	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	610	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	611	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	612	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		613
432	if (size)	614	if (size)
433	return;	615	return;
434		616
435	maybe_start_thread ();	617	maybe_start_thread ();
436		618
437	FD_ZERO(&rfd);	619	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	620	FD_SET (respipe [0], &rfd);
439		621
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	622	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	623	}
442	}	624	}
443		625
444	static int poll_cb ()	626	static int poll_cb (void)
445	{	627	{
446	dSP;	628	dSP;
447	int count = 0;	629	int count = 0;
448	int maxreqs = max_poll_reqs;	630	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	631	int do_croak = 0;
450	struct timeval tv_start, tv_now;	632	struct timeval tv_start, tv_now;
451	aio_req req;	633	bdb_req req;
452		634
453	if (max_poll_time)	635	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	636	gettimeofday (&tv_start, 0);
455		637
456	for (;;)	638	for (;;)
457	{	639	{
458	for (;;)	640	for (;;)
459	{	641	{
460	maybe_start_thread ();	642	maybe_start_thread ();
461		643
462	LOCK (reslock);	644	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	645	req = reqq_shift (&res_queue);
464		646
465	if (req)	647	if (req)
466	{	648	{
467	--npending;	649	--npending;
468		650
469	if (!res_queue.size)	651	if (!res_queue.size)
470	{	652	{
471	/* read any signals sent by the worker threads */	653	/* read any signals sent by the worker threads */
472	char buf [4];	654	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	655	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	656	;
475	}	657	}
476	}	658	}
477		659
478	UNLOCK (reslock);	660	X_UNLOCK (reslock);
479		661
480	if (!req)	662	if (!req)
481	break;	663	break;
482		664
483	--nreqs;	665	--nreqs;
…		…
513	}	695	}
514		696
515	return count;	697	return count;
516	}	698	}
517		699
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	/*****************************************************************************/	700	/*****************************************************************************/
531		701
532	static void *aio_proc (void *thr_arg)	702	X_THREAD_PROC (bdb_proc)
533	{	703	{
534	aio_req req;	704	bdb_req req;
535	struct timespec ts;	705	struct timespec ts;
536	worker *self = (worker *)thr_arg;	706	worker *self = (worker *)thr_arg;
537		707
538	/* try to distribute timeouts somewhat evenly */	708	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	709	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		710
542	for (;;)	711	for (;;)
543	{	712	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	713	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		714
546	LOCK (reqlock);	715	X_LOCK (reqlock);
547		716
548	for (;;)	717	for (;;)
549	{	718	{
550	self->req = req = reqq_shift (&req_queue);	719	self->req = req = reqq_shift (&req_queue);
551		720
552	if (req)	721	if (req)
553	break;	722	break;
554		723
555	++idle;	724	++idle;
556		725
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	726	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	727	== ETIMEDOUT)
559	{	728	{
560	if (idle > max_idle)	729	if (idle > max_idle)
561	{	730	{
562	--idle;	731	--idle;
563	UNLOCK (reqlock);	732	X_UNLOCK (reqlock);
564	LOCK (wrklock);	733	X_LOCK (wrklock);
565	--started;	734	--started;
566	UNLOCK (wrklock);	735	X_UNLOCK (wrklock);
567	goto quit;	736	goto quit;
568	}	737	}
569		738
570	/* we are allowed to idle, so do so without any timeout */	739	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	740	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	741	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	742	}
574		743
575	--idle;	744	--idle;
576	}	745	}
577		746
578	--nready;	747	--nready;
579		748
580	UNLOCK (reqlock);	749	X_UNLOCK (reqlock);
581		750
582	switch (req->type)	751	switch (req->type)
583	{	752	{
584	case REQ_QUIT:	753	case REQ_QUIT:
		754	req->result = ENOSYS;
585	goto quit;	755	goto quit;
586		756
587	case REQ_ENV_OPEN:	757	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	758	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	759	break;
590		760
591	case REQ_ENV_CLOSE:	761	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	762	req->result = req->env->close (req->env, req->uint1);
593	break;	763	break;
594		764
		765	case REQ_ENV_TXN_CHECKPOINT:
		766	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		767	break;
		768
		769	case REQ_ENV_LOCK_DETECT:
		770	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		771	break;
		772
		773	case REQ_ENV_MEMP_SYNC:
		774	req->result = req->env->memp_sync (req->env, 0);
		775	break;
		776
		777	case REQ_ENV_MEMP_TRICKLE:
		778	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		779	break;
		780
		781	case REQ_ENV_DBREMOVE:
		782	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		783	break;
		784
		785	case REQ_ENV_DBRENAME:
		786	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		787	break;
		788
595	case REQ_DB_OPEN:	789	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	790	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	791	break;
598		792
599	case REQ_DB_CLOSE:	793	case REQ_DB_CLOSE:
…		…
606		800
607	case REQ_DB_SYNC:	801	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);	802	req->result = req->db->sync (req->db, req->uint1);
609	break;	803	break;
610		804
		805	case REQ_DB_UPGRADE:
		806	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		807	break;
		808
611	case REQ_DB_PUT:	809	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	810	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	811	break;
614		812
		813	case REQ_DB_GET:
		814	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		815	break;
		816
		817	case REQ_DB_PGET:
		818	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		819	break;
		820
		821	case REQ_DB_DEL:
		822	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		823	break;
		824
		825	case REQ_DB_KEY_RANGE:
		826	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		827	break;
		828
		829	case REQ_TXN_COMMIT:
		830	req->result = req->txn->commit (req->txn, req->uint1);
		831	break;
		832
		833	case REQ_TXN_ABORT:
		834	req->result = req->txn->abort (req->txn);
		835	break;
		836
		837	case REQ_TXN_FINISH:
		838	if (req->txn->flags & TXN_DEADLOCK)
		839	{
		840	req->result = req->txn->abort (req->txn);
		841	if (!req->result)
		842	req->result = DB_LOCK_DEADLOCK;
		843	}
		844	else
		845	req->result = req->txn->commit (req->txn, req->uint1);
		846	break;
		847
		848	case REQ_C_CLOSE:
		849	req->result = req->dbc->c_close (req->dbc);
		850	break;
		851
		852	case REQ_C_COUNT:
		853	{
		854	db_recno_t recno;
		855	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		856	req->uv1 = recno;
		857	}
		858	break;
		859
		860	case REQ_C_PUT:
		861	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		862	break;
		863
		864	case REQ_C_GET:
		865	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		866	break;
		867
		868	case REQ_C_PGET:
		869	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		870	break;
		871
		872	case REQ_C_DEL:
		873	req->result = req->dbc->c_del (req->dbc, req->uint1);
		874	break;
		875
		876	case REQ_SEQ_OPEN:
		877	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		878	break;
		879
		880	case REQ_SEQ_CLOSE:
		881	req->result = req->seq->close (req->seq, req->uint1);
		882	break;
		883
		884	case REQ_SEQ_GET:
		885	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		886	break;
		887
		888	case REQ_SEQ_REMOVE:
		889	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		890	break;
		891
615	default:	892	default:
616	req->result = ENOSYS;	893	req->result = ENOSYS;
617	break;	894	break;
618	}	895	}
619		896
		897	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		898	req->txn->flags |= TXN_DEADLOCK;
		899
620	LOCK (reslock);	900	X_LOCK (reslock);
621		901
622	++npending;	902	++npending;
623		903
624	if (!reqq_push (&res_queue, req))	904	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	905	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	906	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		907
628	self->req = 0;	908	self->req = 0;
629	worker_clear (self);	909	worker_clear (self);
630		910
631	UNLOCK (reslock);	911	X_UNLOCK (reslock);
632	}	912	}
633		913
634	quit:	914	quit:
635	LOCK (wrklock);	915	X_LOCK (wrklock);
636	worker_free (self);	916	worker_free (self);
637	UNLOCK (wrklock);	917	X_UNLOCK (wrklock);
638		918
639	return 0;	919	return 0;
640	}	920	}
641		921
642	/*****************************************************************************/	922	/*****************************************************************************/
643		923
644	static void atfork_prepare (void)	924	static void atfork_prepare (void)
645	{	925	{
646	LOCK (wrklock);	926	X_LOCK (wrklock);
647	LOCK (reqlock);	927	X_LOCK (reqlock);
648	LOCK (reslock);	928	X_LOCK (reslock);
649	}	929	}
650		930
651	static void atfork_parent (void)	931	static void atfork_parent (void)
652	{	932	{
653	UNLOCK (reslock);	933	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	934	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	935	X_UNLOCK (wrklock);
656	}	936	}
657		937
658	static void atfork_child (void)	938	static void atfork_child (void)
659	{	939	{
660	aio_req prv;	940	bdb_req prv;
661		941
662	while (prv = reqq_shift (&req_queue))	942	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	943	req_free (prv);
664		944
665	while (prv = reqq_shift (&res_queue))	945	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	960	idle = 0;
681	nreqs = 0;	961	nreqs = 0;
682	nready = 0;	962	nready = 0;
683	npending = 0;	963	npending = 0;
684		964
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	965	create_respipe ();
688		966
689	atfork_parent ();	967	atfork_parent ();
690	}	968	}
691		969
692	#define dREQ(reqtype) \	970	#define dREQ(reqtype) \
693	aio_req req; \	971	bdb_req req; \
694	int req_pri = next_pri; \	972	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	973	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	974	\
697	if (SvOK (callback) && !SvROK (callback)) \	975	if (callback && SvOK (callback)) \
698	croak ("callback must be undef or of reference type"); \	976	croak ("callback has illegal type or extra arguments"); \
699	\	977	\
700	Newz (0, req, 1, aio_cb); \	978	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	979	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	980	croak ("out of memory during bdb_req allocation"); \
703	\	981	\
704	req->callback = newSVsv (callback); \	982	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
705	req->type = (reqtype); \	983	req->type = (reqtype); \
706	req->pri = req_pri	984	req->pri = req_pri
707		985
708	#define REQ_SEND \	986	#define REQ_SEND \
709	req_send (req)	987	req_send (req)
710		988
711	#define SvPTR(var, arg, type, class) \	989	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	990	if (!SvOK (arg)) \
		991	{ \
		992	if (nullok != 1) \
		993	croak (# var " must be a " # class " object, not undef"); \
		994	\
713	(var) = 0; \	995	(var) = 0; \
		996	} \
714	else if (sv_derived_from ((arg), # class)) \	997	else if (sv_derived_from ((arg), # class)) \
715	{ \	998	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	999	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	1000	(var) = INT2PTR (type, tmp); \
		1001	if (!var && nullok != 2) \
		1002	croak (# var " is not a valid " # class " object anymore"); \
718	} \	1003	} \
719	else \	1004	else \
720	Perl_croak (# var " is not of type " # class)	1005	croak (# var " is not of type " # class);
721		1006
722	inline void	1007	static void
723	set_dbt (DBT *dbt, SV *sv)	1008	ptr_nuke (SV *sv)
724	{	1009	{
725	STRLEN len;	1010	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	1011	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	1012	}
732		1013
		1014	static int
		1015	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1016	{
		1017	if (*mg->mg_ptr == '!') // should always be the case
		1018	if (-30999 <= errno && errno <= -30800)
		1019	{
		1020	sv_setnv (sv, (NV)errno);
		1021	sv_setpv (sv, db_strerror (errno));
		1022	SvNOK_on (sv); /* what a wonderful hack! */
		1023	// ^^^ copied from perl sources
		1024	return 0;
		1025	}
		1026
		1027	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1028	}
		1029
		1030	static MGVTBL vtbl_errno;
		1031
		1032	// this wonderful hack :( patches perl's $! variable to support our errno values
		1033	static void
		1034	patch_errno (void)
		1035	{
		1036	SV *sv;
		1037	MAGIC *mg;
		1038
		1039	if (!(sv = get_sv ("!", 1)))
		1040	return;
		1041
		1042	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1043	return;
		1044
		1045	if (mg->mg_virtual != &PL_vtbl_sv)
		1046	return;
		1047
		1048	vtbl_errno = PL_vtbl_sv;
		1049	vtbl_errno.svt_get = errno_get;
		1050	mg->mg_virtual = &vtbl_errno;
		1051	}
		1052
		1053	#if __GNUC__ >= 4
		1054	# define noinline __attribute__ ((noinline))
		1055	#else
		1056	# define noinline
		1057	#endif
		1058
		1059	static noinline SV *
		1060	pop_callback (I32 *ritems, SV *sv)
		1061	{
		1062	if (SvROK (sv))
		1063	{
		1064	HV *st;
		1065	GV *gvp;
		1066	CV *cv;
		1067	const char *name;
		1068
		1069	/* forgive me */
		1070	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1071	&& (st = SvSTASH (SvRV (sv)))
		1072	&& (name = HvNAME_get (st))
		1073	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1074	return 0;
		1075
		1076	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1077	{
		1078	--*ritems;
		1079	return (SV *)cv;
		1080	}
		1081	}
		1082
		1083	return 0;
		1084	}
		1085
		1086	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1087
733	MODULE = BDB PACKAGE = BDB	1088	MODULE = BDB PACKAGE = BDB
734		1089
735	PROTOTYPES: ENABLE	1090	PROTOTYPES: ENABLE
736		1091
737	BOOT:	1092	BOOT:
…		…
752	const_iv (INIT_TXN)	1107	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1108	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1109	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1110	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1111	const_iv (CREATE)
		1112	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1113	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1114	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1115	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1116	const_iv (PRIVATE)
761	const_iv (REGISTER)	1117	const_iv (REGISTER)
762	const_iv (SYSTEM_MEM)	1118	const_iv (SYSTEM_MEM)
763	const_iv (AUTO_COMMIT)	1119	const_iv (AUTO_COMMIT)
764	const_iv (CDB_ALLDB)	1120	const_iv (CDB_ALLDB)
765	const_iv (DIRECT_DB)	1121	const_iv (DIRECT_DB)
766	const_iv (DIRECT_LOG)
767	const_iv (DSYNC_DB)	1122	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	1123	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1124	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1125	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1126	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1127	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1128	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1129	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1130	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1131	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1132	const_iv (TXN_WRITE_NOSYNC)
		1133	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1134	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1135	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1136	const_iv (XA_CREATE)
785	const_iv (BTREE)	1137	const_iv (BTREE)
786	const_iv (HASH)	1138	const_iv (HASH)
…		…
792	const_iv (READ_UNCOMMITTED)	1144	const_iv (READ_UNCOMMITTED)
793	const_iv (TRUNCATE)	1145	const_iv (TRUNCATE)
794	const_iv (NOSYNC)	1146	const_iv (NOSYNC)
795	const_iv (CHKSUM)	1147	const_iv (CHKSUM)
796	const_iv (ENCRYPT)	1148	const_iv (ENCRYPT)
797	const_iv (TXN_NOT_DURABLE)
798	const_iv (DUP)	1149	const_iv (DUP)
799	const_iv (DUPSORT)	1150	const_iv (DUPSORT)
800	const_iv (RECNUM)	1151	const_iv (RECNUM)
801	const_iv (RENUMBER)	1152	const_iv (RENUMBER)
802	const_iv (REVSPLITOFF)	1153	const_iv (REVSPLITOFF)
803	const_iv (INORDER)	1154	const_iv (INORDER)
804	const_iv (CONSUME)	1155	const_iv (CONSUME)
805	const_iv (CONSUME_WAIT)	1156	const_iv (CONSUME_WAIT)
		1157	const_iv (GET_BOTH)
		1158	const_iv (GET_BOTH_RANGE)
		1159	//const_iv (SET_RECNO)
		1160	//const_iv (MULTIPLE)
806	const_iv (SNAPSHOT)	1161	const_iv (SNAPSHOT)
807	const_iv (JOIN_ITEM)	1162	const_iv (JOIN_ITEM)
		1163	const_iv (JOIN_NOSORT)
808	const_iv (RMW)	1164	const_iv (RMW)
809		1165
810	const_iv (NOTFOUND)	1166	const_iv (NOTFOUND)
811	const_iv (KEYEMPTY)	1167	const_iv (KEYEMPTY)
812	const_iv (LOCK_DEADLOCK)	1168	const_iv (LOCK_DEADLOCK)
813	const_iv (LOCK_NOTGRANTED)	1169	const_iv (LOCK_NOTGRANTED)
814	const_iv (RUNRECOVERY)	1170	const_iv (RUNRECOVERY)
815	const_iv (OLD_VERSION)	1171	const_iv (OLD_VERSION)
816	const_iv (REP_HANDLE_DEAD)	1172	const_iv (REP_HANDLE_DEAD)
817	const_iv (REP_LOCKOUT)	1173	const_iv (REP_LOCKOUT)
		1174	const_iv (SECONDARY_BAD)
818		1175
819	const_iv (FREE_SPACE)	1176	const_iv (FREE_SPACE)
820	const_iv (FREELIST_ONLY)	1177	const_iv (FREELIST_ONLY)
821		1178
822	const_iv (APPEND)	1179	const_iv (APPEND)
823	const_iv (NODUPDATA)	1180	const_iv (NODUPDATA)
824	const_iv (NOOVERWRITE)	1181	const_iv (NOOVERWRITE)
825		1182
826	const_iv (TXN_NOWAIT)	1183	const_iv (TXN_NOWAIT)
827	const_iv (TXN_SNAPSHOT)
828	const_iv (TXN_SYNC)	1184	const_iv (TXN_SYNC)
829		1185
830	const_iv (SET_LOCK_TIMEOUT)	1186	const_iv (SET_LOCK_TIMEOUT)
831	const_iv (SET_TXN_TIMEOUT)	1187	const_iv (SET_TXN_TIMEOUT)
		1188
		1189	const_iv (FIRST)
		1190	const_iv (NEXT)
		1191	const_iv (NEXT_DUP)
		1192	const_iv (NEXT_NODUP)
		1193	const_iv (PREV)
		1194	const_iv (PREV_NODUP)
		1195	const_iv (SET)
		1196	const_iv (SET_RANGE)
		1197	const_iv (LAST)
		1198	const_iv (BEFORE)
		1199	const_iv (AFTER)
		1200	const_iv (CURRENT)
		1201	const_iv (KEYFIRST)
		1202	const_iv (KEYLAST)
		1203	const_iv (NODUPDATA)
		1204
		1205	const_iv (FORCE)
		1206
		1207	const_iv (LOCK_DEFAULT)
		1208	const_iv (LOCK_EXPIRE)
		1209	const_iv (LOCK_MAXLOCKS)
		1210	const_iv (LOCK_MAXWRITE)
		1211	const_iv (LOCK_MINLOCKS)
		1212	const_iv (LOCK_MINWRITE)
		1213	const_iv (LOCK_OLDEST)
		1214	const_iv (LOCK_RANDOM)
		1215	const_iv (LOCK_YOUNGEST)
		1216
		1217	const_iv (SEQ_DEC)
		1218	const_iv (SEQ_INC)
		1219	const_iv (SEQ_WRAP)
		1220
		1221	const_iv (BUFFER_SMALL)
		1222	const_iv (DONOTINDEX)
		1223	const_iv (KEYEMPTY )
		1224	const_iv (KEYEXIST )
		1225	const_iv (LOCK_DEADLOCK)
		1226	const_iv (LOCK_NOTGRANTED)
		1227	const_iv (LOG_BUFFER_FULL)
		1228	const_iv (NOSERVER)
		1229	const_iv (NOSERVER_HOME)
		1230	const_iv (NOSERVER_ID)
		1231	const_iv (NOTFOUND)
		1232	const_iv (PAGE_NOTFOUND)
		1233	const_iv (REP_DUPMASTER)
		1234	const_iv (REP_HANDLE_DEAD)
		1235	const_iv (REP_HOLDELECTION)
		1236	const_iv (REP_IGNORE)
		1237	const_iv (REP_ISPERM)
		1238	const_iv (REP_JOIN_FAILURE)
		1239	const_iv (REP_LOCKOUT)
		1240	const_iv (REP_NEWMASTER)
		1241	const_iv (REP_NEWSITE)
		1242	const_iv (REP_NOTPERM)
		1243	const_iv (REP_UNAVAIL)
		1244	const_iv (RUNRECOVERY)
		1245	const_iv (SECONDARY_BAD)
		1246	const_iv (VERIFY_BAD)
		1247	const_iv (VERSION_MISMATCH)
		1248
		1249	const_iv (VERB_DEADLOCK)
		1250	const_iv (VERB_RECOVERY)
		1251	const_iv (VERB_REGISTER)
		1252	const_iv (VERB_REPLICATION)
		1253	const_iv (VERB_WAITSFOR)
		1254
		1255	const_iv (VERSION_MAJOR)
		1256	const_iv (VERSION_MINOR)
		1257	const_iv (VERSION_PATCH)
		1258	#if DB_VERSION_MINOR >= 5
		1259	const_iv (MULTIVERSION)
		1260	const_iv (TXN_SNAPSHOT)
		1261	#endif
		1262	#if DB_VERSION_MINOR >= 6
		1263	const_iv (PREV_DUP)
		1264	const_iv (PRIORITY_UNCHANGED)
		1265	const_iv (PRIORITY_VERY_LOW)
		1266	const_iv (PRIORITY_LOW)
		1267	const_iv (PRIORITY_DEFAULT)
		1268	const_iv (PRIORITY_HIGH)
		1269	const_iv (PRIORITY_VERY_HIGH)
		1270	#endif
		1271	#if DB_VERSION_MINOR >= 7
		1272	const_iv (LOG_DIRECT)
		1273	const_iv (LOG_DSYNC)
		1274	const_iv (LOG_AUTO_REMOVE)
		1275	const_iv (LOG_IN_MEMORY)
		1276	const_iv (LOG_ZERO)
		1277	#else
		1278	const_iv (DIRECT_LOG)
		1279	const_iv (DSYNC_LOG)
		1280	const_iv (LOG_AUTOREMOVE)
		1281	const_iv (LOG_INMEMORY)
		1282	#endif
832	};	1283	};
833		1284
834	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1285	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
835	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1286	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
836		1287
837	create_pipe ();	1288	{
		1289	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1290	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1291
		1292	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1293	}
		1294
		1295	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1296
		1297	create_respipe ();
		1298
838	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1299	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1300	patch_errno ();
839	}	1301	}
840		1302
841	void	1303	void
842	max_poll_reqs (int nreqs)	1304	max_poll_reqs (int nreqs)
843	PROTOTYPE: $	1305	PROTOTYPE: $
…		…
962		1424
963	int	1425	int
964	nthreads ()	1426	nthreads ()
965	PROTOTYPE:	1427	PROTOTYPE:
966	CODE:	1428	CODE:
967	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1429	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
968	RETVAL = started;	1430	RETVAL = started;
969	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1431	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
970	OUTPUT:	1432	OUTPUT:
971	RETVAL	1433	RETVAL
972		1434
973	void	1435	void
974	set_sync_prepare (SV *cb)	1436	set_sync_prepare (SV *cb)
975	PROTOTYPE: &	1437	PROTOTYPE: &
976	CODE:	1438	CODE:
977	SvREFCNT_dec (prepare_cb);	1439	SvREFCNT_dec (prepare_cb);
978	prepare_cb = newSVsv (cb);	1440	prepare_cb = newSVsv (cb);
		1441
		1442	char *
		1443	strerror (int errorno = errno)
		1444	PROTOTYPE: ;$
		1445	CODE:
		1446	RETVAL = db_strerror (errorno);
		1447	OUTPUT:
		1448	RETVAL
		1449
		1450	void _on_next_submit (SV *cb)
		1451	CODE:
		1452	SvREFCNT_dec (on_next_submit);
		1453	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
979		1454
980	DB_ENV *	1455	DB_ENV *
981	db_env_create (U32 env_flags = 0)	1456	db_env_create (U32 env_flags = 0)
982	CODE:	1457	CODE:
983	{	1458	{
984	errno = db_env_create (&RETVAL, env_flags);	1459	errno = db_env_create (&RETVAL, env_flags);
985	if (errno)	1460	if (errno)
986	croak ("db_env_create: %s", db_strerror (errno));	1461	croak ("db_env_create: %s", db_strerror (errno));
		1462
		1463	if (0)
		1464	{
		1465	RETVAL->set_errcall (RETVAL, debug_errcall);
		1466	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1467	}
987	}	1468	}
988	OUTPUT:	1469	OUTPUT:
989	RETVAL	1470	RETVAL
990		1471
991	void	1472	void
992	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1473	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1474	PREINIT:
		1475	CALLBACK
993	CODE:	1476	CODE:
994	{	1477	{
995	dREQ (REQ_ENV_OPEN);	1478	dREQ (REQ_ENV_OPEN);
996	req->env = env;	1479	req->env = env;
997	req->uint1 = open_flags | DB_THREAD;	1480	req->uint1 = open_flags | DB_THREAD;
…		…
999	req->buf1 = strdup_ornull (db_home);	1482	req->buf1 = strdup_ornull (db_home);
1000	REQ_SEND;	1483	REQ_SEND;
1001	}	1484	}
1002		1485
1003	void	1486	void
1004	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1487	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1488	PREINIT:
		1489	CALLBACK
1005	CODE:	1490	CODE:
1006	{	1491	{
1007	dREQ (REQ_ENV_CLOSE);	1492	dREQ (REQ_ENV_CLOSE);
1008	req->env = env;	1493	req->env = env;
1009	req->uint1 = flags;	1494	req->uint1 = flags;
1010	REQ_SEND;	1495	REQ_SEND;
		1496	ptr_nuke (ST (0));
		1497	}
		1498
		1499	void
		1500	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1501	PREINIT:
		1502	CALLBACK
		1503	CODE:
		1504	{
		1505	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1506	req->env = env;
		1507	req->uint1 = kbyte;
		1508	req->int1 = min;
		1509	req->uint2 = flags;
		1510	REQ_SEND;
		1511	}
		1512
		1513	void
		1514	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1515	PREINIT:
		1516	CALLBACK
		1517	CODE:
		1518	{
		1519	dREQ (REQ_ENV_LOCK_DETECT);
		1520	req->env = env;
		1521	req->uint1 = flags;
		1522	req->uint2 = atype;
		1523	/* req->int2 = 0; dummy */
		1524	REQ_SEND;
		1525	}
		1526
		1527	void
		1528	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1529	PREINIT:
		1530	CALLBACK
		1531	CODE:
		1532	{
		1533	dREQ (REQ_ENV_MEMP_SYNC);
		1534	req->env = env;
		1535	REQ_SEND;
		1536	}
		1537
		1538	void
		1539	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1540	PREINIT:
		1541	CALLBACK
		1542	CODE:
		1543	{
		1544	dREQ (REQ_ENV_MEMP_TRICKLE);
		1545	req->env = env;
		1546	req->int1 = percent;
		1547	REQ_SEND;
		1548	}
		1549
		1550	void
		1551	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1552	PREINIT:
		1553	CALLBACK
		1554	CODE:
		1555	{
		1556	dREQ (REQ_ENV_DBREMOVE);
		1557	req->env = env;
		1558	req->buf1 = strdup_ornull (file);
		1559	req->buf2 = strdup_ornull (database);
		1560	req->uint1 = flags;
		1561	REQ_SEND;
		1562	}
		1563
		1564	void
		1565	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)
		1566	PREINIT:
		1567	CALLBACK
		1568	CODE:
		1569	{
		1570	dREQ (REQ_ENV_DBRENAME);
		1571	req->env = env;
		1572	req->buf1 = strdup_ornull (file);
		1573	req->buf2 = strdup_ornull (database);
		1574	req->buf3 = strdup_ornull (newname);
		1575	req->uint1 = flags;
		1576	REQ_SEND;
1011	}	1577	}
1012		1578
1013	DB *	1579	DB *
1014	db_create (DB_ENV *env = 0, U32 flags = 0)	1580	db_create (DB_ENV *env = 0, U32 flags = 0)
1015	CODE:	1581	CODE:
1016	{	1582	{
1017	errno = db_create (&RETVAL, env, flags);	1583	errno = db_create (&RETVAL, env, flags);
1018	if (errno)	1584	if (errno)
1019	croak ("db_env_create: %s", db_strerror (errno));	1585	croak ("db_create: %s", db_strerror (errno));
		1586
		1587	if (RETVAL)
		1588	RETVAL->app_private = (void *)newSVsv (ST (0));
1020	}	1589	}
1021	OUTPUT:	1590	OUTPUT:
1022	RETVAL	1591	RETVAL
1023		1592
1024	void	1593	void
1025	db_open (DB *db, DB_TXN *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1594	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1595	PREINIT:
		1596	CALLBACK
1026	CODE:	1597	CODE:
1027	{	1598	{
1028	dREQ (REQ_DB_OPEN);	1599	dREQ (REQ_DB_OPEN);
1029	req->db = db;	1600	req->db = db;
1030	req->txn = txnid;	1601	req->txn = txnid;
…		…
1035	req->int2 = mode;	1606	req->int2 = mode;
1036	REQ_SEND;	1607	REQ_SEND;
1037	}	1608	}
1038		1609
1039	void	1610	void
1040	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1611	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1612	PREINIT:
		1613	CALLBACK
1041	CODE:	1614	CODE:
1042	{	1615	{
1043	dREQ (REQ_DB_CLOSE);	1616	dREQ (REQ_DB_CLOSE);
1044	req->db = db;	1617	req->db = db;
1045	req->uint1 = flags;	1618	req->uint1 = flags;
		1619	req->sv1 = (SV *)db->app_private;
1046	REQ_SEND;	1620	REQ_SEND;
		1621	ptr_nuke (ST (0));
1047	}	1622	}
1048		1623
1049	void	1624	void
1050	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)	1625	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)
		1626	PREINIT:
		1627	CALLBACK
1051	CODE:	1628	CODE:
1052	{	1629	{
1053	dREQ (REQ_DB_COMPACT);	1630	dREQ (REQ_DB_COMPACT);
1054	req->db = db;	1631	req->db = db;
1055	req->txn = txn;	1632	req->txn = txn;
1056	set_dbt (&req->dbt1, start);	1633	sv_to_dbt (&req->dbt1, start);
1057	set_dbt (&req->dbt2, stop);	1634	sv_to_dbt (&req->dbt2, stop);
1058	req->uint1 = flags;	1635	req->uint1 = flags;
1059	REQ_SEND;	1636	REQ_SEND;
1060	}	1637	}
1061		1638
1062	void	1639	void
1063	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1640	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1641	PREINIT:
		1642	CALLBACK
1064	CODE:	1643	CODE:
1065	{	1644	{
1066	dREQ (REQ_DB_SYNC);	1645	dREQ (REQ_DB_SYNC);
1067	req->db = db;	1646	req->db = db;
1068	req->uint1 = flags;	1647	req->uint1 = flags;
1069	REQ_SEND;	1648	REQ_SEND;
1070	}	1649	}
1071		1650
1072	void	1651	void
		1652	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1653	PREINIT:
		1654	CALLBACK
		1655	CODE:
		1656	{
		1657	dREQ (REQ_DB_SYNC);
		1658	req->db = db;
		1659	req->buf1 = strdup (file);
		1660	req->uint1 = flags;
		1661	REQ_SEND;
		1662	}
		1663
		1664	void
		1665	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1666	PREINIT:
		1667	CALLBACK
		1668	CODE:
		1669	{
		1670	dREQ (REQ_DB_KEY_RANGE);
		1671	req->db = db;
		1672	req->txn = txn;
		1673	sv_to_dbt (&req->dbt1, key);
		1674	req->uint1 = flags;
		1675	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1676	REQ_SEND;
		1677	}
		1678
		1679	void
1073	db_put (DB *db, DB_TXN *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1680	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1681	PREINIT:
		1682	CALLBACK
1074	CODE:	1683	CODE:
1075	{	1684	{
1076	dREQ (REQ_DB_PUT);	1685	dREQ (REQ_DB_PUT);
1077	req->db = db;	1686	req->db = db;
1078	req->txn = 0;	1687	req->txn = txn;
1079	set_dbt (&req->dbt1, key);	1688	sv_to_dbt (&req->dbt1, key);
1080	set_dbt (&req->dbt2, data);	1689	sv_to_dbt (&req->dbt2, data);
1081	req->uint1 = flags;	1690	req->uint1 = flags;
1082	REQ_SEND;	1691	REQ_SEND;
1083	}	1692	}
1084		1693
		1694	void
		1695	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1696	PREINIT:
		1697	CALLBACK
		1698	CODE:
		1699	if (SvREADONLY (data))
		1700	croak ("can't modify read-only data scalar in db_get");
		1701	{
		1702	dREQ (REQ_DB_GET);
		1703	req->db = db;
		1704	req->txn = txn;
		1705	req->uint1 = flags;
		1706	sv_to_dbt (&req->dbt1, key);
		1707	req->dbt3.flags = DB_DBT_MALLOC;
		1708	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1709	REQ_SEND;
		1710	}
		1711
		1712	void
		1713	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1714	PREINIT:
		1715	CALLBACK
		1716	CODE:
		1717	if (SvREADONLY (data))
		1718	croak ("can't modify read-only data scalar in db_pget");
		1719	{
		1720	dREQ (REQ_DB_PGET);
		1721	req->db = db;
		1722	req->txn = txn;
		1723	req->uint1 = flags;
		1724	sv_to_dbt (&req->dbt1, key);
		1725	sv_to_dbt (&req->dbt2, pkey);
		1726	req->dbt3.flags = DB_DBT_MALLOC;
		1727	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
		1732	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
		1735	CODE:
		1736	{
		1737	dREQ (REQ_DB_DEL);
		1738	req->db = db;
		1739	req->txn = txn;
		1740	req->uint1 = flags;
		1741	sv_to_dbt (&req->dbt1, key);
		1742	REQ_SEND;
		1743	}
		1744
		1745	void
		1746	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
		1749	CODE:
		1750	{
		1751	dREQ (REQ_TXN_COMMIT);
		1752	req->txn = txn;
		1753	req->uint1 = flags;
		1754	REQ_SEND;
		1755	ptr_nuke (ST (0));
		1756	}
		1757
		1758	void
		1759	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1760	PREINIT:
		1761	CALLBACK
		1762	CODE:
		1763	{
		1764	dREQ (REQ_TXN_ABORT);
		1765	req->txn = txn;
		1766	REQ_SEND;
		1767	ptr_nuke (ST (0));
		1768	}
		1769
		1770	void
		1771	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1772	PREINIT:
		1773	CALLBACK
		1774	CODE:
		1775	{
		1776	dREQ (REQ_TXN_FINISH);
		1777	req->txn = txn;
		1778	req->uint1 = flags;
		1779	REQ_SEND;
		1780	ptr_nuke (ST (0));
		1781	}
		1782
		1783	void
		1784	db_c_close (DBC *dbc, SV *callback = 0)
		1785	PREINIT:
		1786	CALLBACK
		1787	CODE:
		1788	{
		1789	dREQ (REQ_C_CLOSE);
		1790	req->dbc = dbc;
		1791	REQ_SEND;
		1792	ptr_nuke (ST (0));
		1793	}
		1794
		1795	void
		1796	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1797	PREINIT:
		1798	CALLBACK
		1799	CODE:
		1800	{
		1801	dREQ (REQ_C_COUNT);
		1802	req->dbc = dbc;
		1803	req->sv1 = SvREFCNT_inc (count);
		1804	REQ_SEND;
		1805	}
		1806
		1807	void
		1808	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
		1811	CODE:
		1812	{
		1813	dREQ (REQ_C_PUT);
		1814	req->dbc = dbc;
		1815	sv_to_dbt (&req->dbt1, key);
		1816	sv_to_dbt (&req->dbt2, data);
		1817	req->uint1 = flags;
		1818	REQ_SEND;
		1819	}
		1820
		1821	void
		1822	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1823	PREINIT:
		1824	CALLBACK
		1825	CODE:
		1826	{
		1827	dREQ (REQ_C_GET);
		1828	req->dbc = dbc;
		1829	req->uint1 = flags;
		1830	if ((flags & DB_SET) == DB_SET
		1831	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1832	sv_to_dbt (&req->dbt1, key);
		1833	else
		1834	req->dbt1.flags = DB_DBT_MALLOC;
		1835
		1836	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1837
		1838	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1839	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1840	sv_to_dbt (&req->dbt3, data);
		1841	else
		1842	req->dbt3.flags = DB_DBT_MALLOC;
		1843
		1844	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1845	REQ_SEND;
		1846	}
		1847
		1848	void
		1849	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1850	PREINIT:
		1851	CALLBACK
		1852	CODE:
		1853	{
		1854	dREQ (REQ_C_PGET);
		1855	req->dbc = dbc;
		1856	req->uint1 = flags;
		1857	if ((flags & DB_SET) == DB_SET
		1858	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1859	sv_to_dbt (&req->dbt1, key);
		1860	else
		1861	req->dbt1.flags = DB_DBT_MALLOC;
		1862
		1863	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1864
		1865	req->dbt2.flags = DB_DBT_MALLOC;
		1866	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1867
		1868	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1869	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1870	sv_to_dbt (&req->dbt3, data);
		1871	else
		1872	req->dbt3.flags = DB_DBT_MALLOC;
		1873
		1874	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1875	REQ_SEND;
		1876	}
		1877
		1878	void
		1879	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1880	PREINIT:
		1881	CALLBACK
		1882	CODE:
		1883	{
		1884	dREQ (REQ_C_DEL);
		1885	req->dbc = dbc;
		1886	req->uint1 = flags;
		1887	REQ_SEND;
		1888	}
		1889
		1890
		1891	void
		1892	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1893	PREINIT:
		1894	CALLBACK
		1895	CODE:
		1896	{
		1897	dREQ (REQ_SEQ_OPEN);
		1898	req->seq = seq;
		1899	req->txn = txnid;
		1900	req->uint1 = flags | DB_THREAD;
		1901	sv_to_dbt (&req->dbt1, key);
		1902	REQ_SEND;
		1903	}
		1904
		1905	void
		1906	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
		1909	CODE:
		1910	{
		1911	dREQ (REQ_SEQ_CLOSE);
		1912	req->seq = seq;
		1913	req->uint1 = flags;
		1914	REQ_SEND;
		1915	ptr_nuke (ST (0));
		1916	}
		1917
		1918	void
		1919	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1920	PREINIT:
		1921	CALLBACK
		1922	CODE:
		1923	{
		1924	dREQ (REQ_SEQ_GET);
		1925	req->seq = seq;
		1926	req->txn = txnid;
		1927	req->int1 = delta;
		1928	req->uint1 = flags;
		1929	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1930	REQ_SEND;
		1931	}
		1932
		1933	void
		1934	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1935	PREINIT:
		1936	CALLBACK
		1937	CODE:
		1938	{
		1939	dREQ (REQ_SEQ_REMOVE);
		1940	req->seq = seq;
		1941	req->txn = txnid;
		1942	req->uint1 = flags;
		1943	REQ_SEND;
		1944	}
		1945
1085		1946
1086	MODULE = BDB PACKAGE = BDB::Env	1947	MODULE = BDB PACKAGE = BDB::Env
1087		1948
		1949	void
		1950	DESTROY (DB_ENV_ornuked *env)
		1951	CODE:
		1952	if (env)
		1953	env->close (env, 0);
		1954
		1955	int set_data_dir (DB_ENV *env, const char *dir)
		1956	CODE:
		1957	RETVAL = env->set_data_dir (env, dir);
		1958	OUTPUT:
		1959	RETVAL
		1960
		1961	int set_tmp_dir (DB_ENV *env, const char *dir)
		1962	CODE:
		1963	RETVAL = env->set_tmp_dir (env, dir);
		1964	OUTPUT:
		1965	RETVAL
		1966
		1967	int set_lg_dir (DB_ENV *env, const char *dir)
		1968	CODE:
		1969	RETVAL = env->set_lg_dir (env, dir);
		1970	OUTPUT:
		1971	RETVAL
		1972
		1973	int set_shm_key (DB_ENV *env, long shm_key)
		1974	CODE:
		1975	RETVAL = env->set_shm_key (env, shm_key);
		1976	OUTPUT:
		1977	RETVAL
		1978
1088	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1979	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1089	CODE:	1980	CODE:
1090	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1981	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1091	OUTPUT:	1982	OUTPUT:
1092	RETVAL	1983	RETVAL
1093		1984
1094	int set_flags (DB_ENV *env, U32 flags, int onoff)	1985	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1095	CODE:	1986	CODE:
1096	RETVAL = env->set_flags (env, flags, onoff);	1987	RETVAL = env->set_flags (env, flags, onoff);
1097	OUTPUT:	1988	OUTPUT:
1098	RETVAL	1989	RETVAL
1099		1990
		1991	#if DB_VERSION_MINOR >= 7
		1992
		1993	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		1994	CODE:
		1995	RETVAL = env->set_intermediate_dir_mode (env, mode);
		1996	OUTPUT:
		1997	RETVAL
		1998
		1999	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2000	CODE:
		2001	RETVAL = env->log_set_config (env, flags, onoff);
		2002	OUTPUT:
		2003	RETVAL
		2004
		2005	#endif
		2006
		2007
		2008	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2009	CODE:
		2010	env->set_errfile (env, errfile);
		2011
		2012	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2013	CODE:
		2014	env->set_msgfile (env, msgfile);
		2015
		2016	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2017	CODE:
		2018	RETVAL = env->set_verbose (env, which, onoff);
		2019	OUTPUT:
		2020	RETVAL
		2021
1100	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2022	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1101	CODE:	2023	CODE:
1102	RETVAL = env->set_encrypt (env, password, flags);	2024	RETVAL = env->set_encrypt (env, password, flags);
1103	OUTPUT:	2025	OUTPUT:
1104	RETVAL	2026	RETVAL
1105		2027
1106	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2028	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1107	CODE:	2029	CODE:
1108	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2030	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1109	OUTPUT:	2031	OUTPUT:
1110	RETVAL	2032	RETVAL
1111		2033
		2034	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2035	CODE:
		2036	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2037	OUTPUT:
		2038	RETVAL
		2039
		2040	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2041	CODE:
		2042	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2043	OUTPUT:
		2044	RETVAL
		2045
		2046	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2047	CODE:
		2048	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2049	OUTPUT:
		2050	RETVAL
		2051
		2052	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2053	CODE:
		2054	RETVAL = env->set_lk_detect (env, detect);
		2055	OUTPUT:
		2056	RETVAL
		2057
		2058	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2059	CODE:
		2060	RETVAL = env->set_lk_max_lockers (env, max);
		2061	OUTPUT:
		2062	RETVAL
		2063
		2064	int set_lk_max_locks (DB_ENV *env, U32 max)
		2065	CODE:
		2066	RETVAL = env->set_lk_max_locks (env, max);
		2067	OUTPUT:
		2068	RETVAL
		2069
		2070	int set_lk_max_objects (DB_ENV *env, U32 max)
		2071	CODE:
		2072	RETVAL = env->set_lk_max_objects (env, max);
		2073	OUTPUT:
		2074	RETVAL
		2075
		2076	int set_lg_bsize (DB_ENV *env, U32 max)
		2077	CODE:
		2078	RETVAL = env->set_lg_bsize (env, max);
		2079	OUTPUT:
		2080	RETVAL
		2081
		2082	int set_lg_max (DB_ENV *env, U32 max)
		2083	CODE:
		2084	RETVAL = env->set_lg_max (env, max);
		2085	OUTPUT:
		2086	RETVAL
		2087
		2088	int mutex_set_max (DB_ENV *env, U32 max)
		2089	CODE:
		2090	RETVAL = env->mutex_set_max (env, max);
		2091	OUTPUT:
		2092	RETVAL
		2093
		2094	int mutex_set_increment (DB_ENV *env, U32 increment)
		2095	CODE:
		2096	RETVAL = env->mutex_set_increment (env, increment);
		2097	OUTPUT:
		2098	RETVAL
		2099
		2100	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2101	CODE:
		2102	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2103	OUTPUT:
		2104	RETVAL
		2105
		2106	int mutex_set_align (DB_ENV *env, U32 align)
		2107	CODE:
		2108	RETVAL = env->mutex_set_align (env, align);
		2109	OUTPUT:
		2110	RETVAL
		2111
		2112	DB_TXN *
		2113	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		2114	CODE:
		2115	errno = env->txn_begin (env, parent, &RETVAL, flags);
		2116	if (errno)
		2117	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		2118	OUTPUT:
		2119	RETVAL
		2120
		2121	DB_TXN *
		2122	cdsgroup_begin (DB_ENV *env)
		2123	CODE:
		2124	errno = env->cdsgroup_begin (env, &RETVAL);
		2125	if (errno)
		2126	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2127	OUTPUT:
		2128	RETVAL
1112		2129
1113	MODULE = BDB PACKAGE = BDB::Db	2130	MODULE = BDB PACKAGE = BDB::Db
1114		2131
		2132	void
		2133	DESTROY (DB_ornuked *db)
		2134	CODE:
		2135	if (db)
		2136	{
		2137	SV *env = (SV *)db->app_private;
		2138	db->close (db, 0);
		2139	SvREFCNT_dec (env);
		2140	}
		2141
1115	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	2142	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1116	CODE:	2143	CODE:
1117	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2144	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1118	OUTPUT:	2145	OUTPUT:
1119	RETVAL	2146	RETVAL
1120		2147
1121	int set_flags (DB *db, U32 flags);	2148	int set_flags (DB *db, U32 flags)
1122	CODE:	2149	CODE:
1123	RETVAL = db->set_flags (db, flags);	2150	RETVAL = db->set_flags (db, flags);
1124	OUTPUT:	2151	OUTPUT:
1125	RETVAL	2152	RETVAL
1126		2153
…		…
1134	CODE:	2161	CODE:
1135	RETVAL = db->set_lorder (db, lorder);	2162	RETVAL = db->set_lorder (db, lorder);
1136	OUTPUT:	2163	OUTPUT:
1137	RETVAL	2164	RETVAL
1138		2165
1139
1140	int set_bt_minkey (DB *db, U32 minkey)	2166	int set_bt_minkey (DB *db, U32 minkey)
1141	CODE:	2167	CODE:
1142	RETVAL = db->set_bt_minkey (db, minkey);	2168	RETVAL = db->set_bt_minkey (db, minkey);
1143	OUTPUT:	2169	OUTPUT:
1144	RETVAL	2170	RETVAL
1145		2171
1146	int set_re_delim(DB *db, int delim);	2172	int set_re_delim (DB *db, int delim)
1147	CODE:	2173	CODE:
1148	RETVAL = db->set_re_delim (db, delim);	2174	RETVAL = db->set_re_delim (db, delim);
1149	OUTPUT:	2175	OUTPUT:
1150	RETVAL	2176	RETVAL
1151		2177
…		…
1183	CODE:	2209	CODE:
1184	RETVAL = db->set_q_extentsize (db, extentsize);	2210	RETVAL = db->set_q_extentsize (db, extentsize);
1185	OUTPUT:	2211	OUTPUT:
1186	RETVAL	2212	RETVAL
1187		2213
		2214	DBC *
		2215	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2216	CODE:
		2217	errno = db->cursor (db, txn, &RETVAL, flags);
		2218	if (errno)
		2219	croak ("DB->cursor: %s", db_strerror (errno));
		2220	OUTPUT:
		2221	RETVAL
1188		2222
		2223	DB_SEQUENCE *
		2224	sequence (DB *db, U32 flags = 0)
		2225	CODE:
		2226	{
		2227	errno = db_sequence_create (&RETVAL, db, flags);
		2228	if (errno)
		2229	croak ("db_sequence_create: %s", db_strerror (errno));
		2230	}
		2231	OUTPUT:
		2232	RETVAL
		2233
		2234
		2235	MODULE = BDB PACKAGE = BDB::Txn
		2236
		2237	void
		2238	DESTROY (DB_TXN_ornuked *txn)
		2239	CODE:
		2240	if (txn)
		2241	txn->abort (txn);
		2242
		2243	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2244	CODE:
		2245	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2246	OUTPUT:
		2247	RETVAL
		2248
		2249	int failed (DB_TXN *txn)
		2250	CODE:
		2251	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2252	OUTPUT:
		2253	RETVAL
		2254
		2255
		2256	MODULE = BDB PACKAGE = BDB::Cursor
		2257
		2258	void
		2259	DESTROY (DBC_ornuked *dbc)
		2260	CODE:
		2261	if (dbc)
		2262	dbc->c_close (dbc);
		2263
		2264	#if DB_VERSION_MINOR >= 6
		2265
		2266	int set_priority (DBC *dbc, int priority)
		2267	CODE:
		2268	dbc->set_priority (dbc, priority);
		2269
		2270	#endif
		2271
		2272	MODULE = BDB PACKAGE = BDB::Sequence
		2273
		2274	void
		2275	DESTROY (DB_SEQUENCE_ornuked *seq)
		2276	CODE:
		2277	if (seq)
		2278	seq->close (seq, 0);
		2279
		2280	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2281	CODE:
		2282	RETVAL = seq->initial_value (seq, value);
		2283	OUTPUT:
		2284	RETVAL
		2285
		2286	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2287	CODE:
		2288	RETVAL = seq->set_cachesize (seq, size);
		2289	OUTPUT:
		2290	RETVAL
		2291
		2292	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2293	CODE:
		2294	RETVAL = seq->set_flags (seq, flags);
		2295	OUTPUT:
		2296	RETVAL
		2297
		2298	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2299	CODE:
		2300	RETVAL = seq->set_range (seq, min, max);
		2301	OUTPUT:
		2302	RETVAL
		2303
		2304

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