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Comparing BDB/BDB.xs (file contents):
Revision 1.13 by root, Sun Jul 8 11:12:12 2007 UTC vs.
Revision 1.50 by root, Thu Sep 25 13:22:32 2008 UTC

		1	#include <sys/user.h>
		2	#include <sys/ptrace.h>
		3
		4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		5
1	#include "xthread.h"	6	#include "xthread.h"
2		7
3	#include <errno.h>	8	#include <errno.h>
4		9
5	#include "EXTERN.h"	10	#include "EXTERN.h"
…		…
27	# include <unistd.h>	32	# include <unistd.h>
28	#endif	33	#endif
29		34
30	#include <db.h>	35	#include <db.h>
31		36
32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
33	# error you need Berkeley DB 4.4 or newer installed	38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
34	#endif	39	#endif
35		40
36	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
38		43
39	typedef DB_ENV DB_ENV_ornull;	44	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	45	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	46	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	47	typedef DB DB_ornull;
		48
		49	typedef DB_ENV DB_ENV_ornuked;
		50	typedef DB_TXN DB_TXN_ornuked;
		51	typedef DBC DBC_ornuked;
		52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		57	#endif
44		58
45	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;	60	typedef char *bdb_filename;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
		74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
49		115
50	static char *	116	static char *
51	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
52	{	118	{
53	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
…		…
69	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
70	{	136	{
71	if (sv)	137	if (sv)
72	{	138	{
73	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
74	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
75	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
76	}	142	}
77		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
78	free (dbt->data);	145	free (dbt->data);
79	}	146	}
80		147
81	enum {	148	enum {
82	REQ_QUIT,	149	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
84	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
85	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
86	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
87	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
88	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
89	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
90	};	157	};
91		158
92	typedef struct aio_cb	159	typedef struct bdb_cb
93	{	160	{
94	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
95	SV *callback;	162	SV *callback;
96	int type, pri, result;	163	int type, pri, result;
97		164
98	DB_ENV *env;	165	DB_ENV *env;
99	DB *db;	166	DB *db;
…		…
101	DBC *dbc;	168	DBC *dbc;
102		169
103	UV uv1;	170	UV uv1;
104	int int1, int2;	171	int int1, int2;
105	U32 uint1, uint2;	172	U32 uint1, uint2;
106	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
107	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
108		175
109	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
110	DB_KEY_RANGE key_range;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
111	DB_SEQUENCE *seq;	179	DB_SEQUENCE *seq;
112	db_seq_t seq_t;	180	db_seq_t seq_t;
113	} aio_cb;	181	#endif
114		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
115	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
116		187
117	enum {	188	enum {
118	PRI_MIN = -4,	189	PRI_MIN = -4,
119	PRI_MAX = 4,	190	PRI_MAX = 4,
120		191
…		…
123	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
124	};	195	};
125		196
126	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
127		198
		199	static SV *on_next_submit;
		200
128	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
129	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
130		203
131	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
132	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
147	struct worker *prev, *next;	220	struct worker *prev, *next;
148		221
149	thread_t tid;	222	thread_t tid;
150		223
151	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
153	void *dbuf;	226	void *dbuf;
154	DIR *dirp;	227	DIR *dirp;
155	} worker;	228	} worker;
156		229
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	242	}
170		243
171	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2], respipe_osf [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		248
176	static mutex_t reslock = X_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
177	static mutex_t reqlock = X_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
178	static cond_t reqwait = X_COND_INIT;	251	static cond_t reqwait = X_COND_INIT;
179		252
180	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
181		254
182	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
183	{	256	{
184	unsigned int retval;	257	unsigned int retval;
185		258
186	X_LOCK (reqlock);	259	X_LOCK (reqlock);
187	retval = nready;	260	retval = nready;
188	X_UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
189		262
190	return retval;	263	return retval;
191	}	264	}
192		265
193	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
194	{	267	{
195	unsigned int retval;	268	unsigned int retval;
196		269
197	X_LOCK (reslock);	270	X_LOCK (reslock);
198	retval = npending;	271	retval = npending;
199	X_UNLOCK (reslock);	272	X_UNLOCK (reslock);
200		273
201	return retval;	274	return retval;
202	}	275	}
203		276
204	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
205	{	278	{
206	unsigned int retval;	279	unsigned int retval;
207		280
208	X_LOCK (wrklock);	281	X_LOCK (wrklock);
209	retval = started;	282	retval = started;
…		…
224	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
227	*/	300	*/
228	typedef struct {	301	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	303	int size;
231	} reqq;	304	} reqq;
232		305
233	static reqq req_queue;	306	static reqq req_queue;
234	static reqq res_queue;	307	static reqq res_queue;
235		308
236	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
237	{	310	{
238	int pri = req->pri;	311	int pri = req->pri;
239	req->next = 0;	312	req->next = 0;
240		313
241	if (q->qe[pri])	314	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
248		321
249	return q->size++;	322	return q->size++;
250	}	323	}
251		324
252	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
253	{	326	{
254	int pri;	327	int pri;
255		328
256	if (!q->size)	329	if (!q->size)
257	return 0;	330	return 0;
258		331
259	--q->size;	332	--q->size;
260		333
261	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
262	{	335	{
263	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
264		337
265	if (req)	338	if (req)
266	{	339	{
267	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
272	}	345	}
273		346
274	abort ();	347	abort ();
275	}	348	}
276		349
277	static int poll_cb ();	350	static int poll_cb (void);
278	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
280		353
281	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
282	{	355	{
283	dSP;	356	dSP;
284		357
285	if (SvOK (req->callback))	358	if (req->callback)
286	{	359	{
287	ENTER;	360	ENTER;
288	SAVETMPS;	361	SAVETMPS;
289	PUSHMARK (SP);	362	PUSHMARK (SP);
290		363
…		…
304	dbt_to_sv (req->sv1, &req->dbt1);	377	dbt_to_sv (req->sv1, &req->dbt1);
305	dbt_to_sv (req->sv2, &req->dbt2);	378	dbt_to_sv (req->sv2, &req->dbt2);
306	dbt_to_sv (req->sv3, &req->dbt3);	379	dbt_to_sv (req->sv3, &req->dbt3);
307	break;	380	break;
308		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
309	case REQ_DB_KEY_RANGE:	388	case REQ_DB_KEY_RANGE:
310	{	389	{
311	AV *av = newAV ();	390	AV *av = newAV ();
312		391
313	av_push (av, newSVnv (req->key_range.less));	392	av_push (av, newSVnv (req->key_range.less));
…		…
318	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
319	SvREFCNT_dec (req->sv1);	398	SvREFCNT_dec (req->sv1);
320	}	399	}
321	break;	400	break;
322		401
		402	#if DB_VERSION_MINOR >= 3
323	case REQ_SEQ_GET:	403	case REQ_SEQ_GET:
324	SvREADONLY_off (req->sv1);	404	SvREADONLY_off (req->sv1);
325		405
326	if (sizeof (IV) > 4)	406	if (sizeof (IV) > 4)
327	sv_setiv_mg (req->sv1, req->seq_t);	407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
328	else	408	else
329	sv_setnv_mg (req->sv1, req->seq_t);	409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
330		410
331	SvREFCNT_dec (req->sv1);	411	SvREFCNT_dec (req->sv1);
332	break;	412	break;
		413	#endif
333	}	414	}
334		415
335	errno = req->result;	416	errno = req->result;
336		417
337	PUTBACK;	418	PUTBACK;
…		…
343	}	424	}
344		425
345	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
346	}	427	}
347		428
348	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
349	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
350	free (req->buf1);	436	free (req->buf1);
351	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
352	Safefree (req);	440	Safefree (req);
353	}	441	}
354		442
355	#ifdef USE_SOCKETS_AS_HANDLES	443	#ifdef USE_SOCKETS_AS_HANDLES
356	# define TO_SOCKET(x) (win32_get_osfhandle (x))	444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
357	#else	445	#else
358	# define TO_SOCKET(x) (x)	446	# define TO_SOCKET(x) (x)
359	#endif	447	#endif
360		448
361	static void	449	static void
362	create_pipe (int fd[2])	450	create_respipe (void)
363	{	451	{
364	#ifdef _WIN32	452	#ifdef _WIN32
365	int arg = 1;	453	int arg; /* argg */
		454	#endif
		455	int old_readfd = respipe [0];
		456
		457	if (respipe [1] >= 0)
		458	respipe_close (TO_SOCKET (respipe [1]));
		459
		460	#ifdef _WIN32
366	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)	461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
367	|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
368	|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
369	#else	462	#else
370	if (pipe (fd)	463	if (pipe (respipe))
371	|| fcntl (fd [0], F_SETFL, O_NONBLOCK)
372	|| fcntl (fd [1], F_SETFL, O_NONBLOCK))
373	#endif	464	#endif
374	croak ("unable to initialize result pipe");	465	croak ("unable to initialize result pipe");
		466
		467	if (old_readfd >= 0)
		468	{
		469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		470	croak ("unable to initialize result pipe(2)");
		471
		472	respipe_close (respipe [0]);
		473	respipe [0] = old_readfd;
		474	}
		475
		476	#ifdef _WIN32
		477	arg = 1;
		478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		480	#else
		481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		483	#endif
		484	croak ("unable to initialize result pipe(3)");
375		485
376	respipe_osf [0] = TO_SOCKET (respipe [0]);	486	respipe_osf [0] = TO_SOCKET (respipe [0]);
377	respipe_osf [1] = TO_SOCKET (respipe [1]);	487	respipe_osf [1] = TO_SOCKET (respipe [1]);
378	}	488	}
379		489
…		…
399	free (wrk);	509	free (wrk);
400		510
401	X_UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
402	}	512	}
403		513
404	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
405	{	515	{
406	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
407	return;	517	return;
408		518
409	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
411	return;	521	return;
412		522
413	start_thread ();	523	start_thread ();
414	}	524	}
415		525
416	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
417	{	527	{
418	SV *wait_callback = 0;	528	SV *wait_callback = 0;
419		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
420	// synthesize callback if none given	543	// synthesize callback if none given
421	if (!SvOK (req->callback))	544	if (!req->callback)
422	{	545	{
423	int count;	546	int count;
424		547
425	dSP;	548	dSP;
426	PUSHMARK (SP);	549	PUSHMARK (SP);
…		…
429	SPAGAIN;	552	SPAGAIN;
430		553
431	if (count != 2)	554	if (count != 2)
432	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
433		556
434	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
435	SvREFCNT_dec (req->callback);
436	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
437	}	559	}
438		560
439	++nreqs;	561	++nreqs;
440		562
…		…
450	{	572	{
451	dSP;	573	dSP;
452	PUSHMARK (SP);	574	PUSHMARK (SP);
453	PUTBACK;	575	PUTBACK;
454	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
455	SvREFCNT_dec (wait_callback);
456	}	577	}
457	}	578	}
458		579
459	static void end_thread (void)	580	static void end_thread (void)
460	{	581	{
461	aio_req req;	582	bdb_req req;
462		583
463	Newz (0, req, 1, aio_cb);	584	Newz (0, req, 1, bdb_cb);
464		585
465	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
466	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
467		588
468	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
495		616
496	while (started > wanted)	617	while (started > wanted)
497	end_thread ();	618	end_thread ();
498	}	619	}
499		620
500	static void poll_wait ()	621	static void poll_wait (void)
501	{	622	{
502	fd_set rfd;	623	fd_set rfd;
503		624
504	while (nreqs)	625	while (nreqs)
505	{	626	{
…		…
518		639
519	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);	640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
520	}	641	}
521	}	642	}
522		643
523	static int poll_cb ()	644	static int poll_cb (void)
524	{	645	{
525	dSP;	646	dSP;
526	int count = 0;	647	int count = 0;
527	int maxreqs = max_poll_reqs;	648	int maxreqs = max_poll_reqs;
528	int do_croak = 0;	649	int do_croak = 0;
529	struct timeval tv_start, tv_now;	650	struct timeval tv_start, tv_now;
530	aio_req req;	651	bdb_req req;
531		652
532	if (max_poll_time)	653	if (max_poll_time)
533	gettimeofday (&tv_start, 0);	654	gettimeofday (&tv_start, 0);
534		655
535	for (;;)	656	for (;;)
…		…
596		717
597	/*****************************************************************************/	718	/*****************************************************************************/
598		719
599	X_THREAD_PROC (bdb_proc)	720	X_THREAD_PROC (bdb_proc)
600	{	721	{
601	aio_req req;	722	bdb_req req;
602	struct timespec ts;	723	struct timespec ts;
603	worker *self = (worker *)thr_arg;	724	worker *self = (worker *)thr_arg;
604		725
605	/* try to distribute timeouts somewhat evenly */	726	/* try to distribute timeouts somewhat evenly */
606	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	727	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
…		…
642	}	763	}
643		764
644	--nready;	765	--nready;
645		766
646	X_UNLOCK (reqlock);	767	X_UNLOCK (reqlock);
647		768
648	switch (req->type)	769	switch (req->type)
649	{	770	{
650	case REQ_QUIT:	771	case REQ_QUIT:
		772	req->result = ENOSYS;
651	goto quit;	773	goto quit;
652		774
653	case REQ_ENV_OPEN:	775	case REQ_ENV_OPEN:
654	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	776	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
655	break;	777	break;
…		…
672		794
673	case REQ_ENV_MEMP_TRICKLE:	795	case REQ_ENV_MEMP_TRICKLE:
674	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	796	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
675	break;	797	break;
676		798
		799	case REQ_ENV_DBREMOVE:
		800	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		801	break;
		802
		803	case REQ_ENV_DBRENAME:
		804	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		805	break;
		806
677	case REQ_DB_OPEN:	807	case REQ_DB_OPEN:
678	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	808	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
679	break;	809	break;
680		810
681	case REQ_DB_CLOSE:	811	case REQ_DB_CLOSE:
682	req->result = req->db->close (req->db, req->uint1);	812	req->result = req->db->close (req->db, req->uint1);
683	break;	813	break;
684		814
		815	#if DB_VERSION_MINOR >= 4
685	case REQ_DB_COMPACT:	816	case REQ_DB_COMPACT:
686	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	817	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
687	break;	818	break;
		819	#endif
688		820
689	case REQ_DB_SYNC:	821	case REQ_DB_SYNC:
690	req->result = req->db->sync (req->db, req->uint1);	822	req->result = req->db->sync (req->db, req->uint1);
691	break;	823	break;
692		824
		825	case REQ_DB_UPGRADE:
		826	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		827	break;
		828
693	case REQ_DB_PUT:	829	case REQ_DB_PUT:
694	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	830	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
695	break;	831	break;
696		832
		833	#if DB_VERSION_MINOR >= 6
		834	case REQ_DB_EXISTS:
		835	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		836	break;
		837	#endif
697	case REQ_DB_GET:	838	case REQ_DB_GET:
698	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	839	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
699	break;	840	break;
700		841
701	case REQ_DB_PGET:	842	case REQ_DB_PGET:
…		…
714	req->result = req->txn->commit (req->txn, req->uint1);	855	req->result = req->txn->commit (req->txn, req->uint1);
715	break;	856	break;
716		857
717	case REQ_TXN_ABORT:	858	case REQ_TXN_ABORT:
718	req->result = req->txn->abort (req->txn);	859	req->result = req->txn->abort (req->txn);
		860	break;
		861
		862	case REQ_TXN_FINISH:
		863	if (req->txn->flags & TXN_DEADLOCK)
		864	{
		865	req->result = req->txn->abort (req->txn);
		866	if (!req->result)
		867	req->result = DB_LOCK_DEADLOCK;
		868	}
		869	else
		870	req->result = req->txn->commit (req->txn, req->uint1);
719	break;	871	break;
720		872
721	case REQ_C_CLOSE:	873	case REQ_C_CLOSE:
722	req->result = req->dbc->c_close (req->dbc);	874	req->result = req->dbc->c_close (req->dbc);
723	break;	875	break;
…		…
744		896
745	case REQ_C_DEL:	897	case REQ_C_DEL:
746	req->result = req->dbc->c_del (req->dbc, req->uint1);	898	req->result = req->dbc->c_del (req->dbc, req->uint1);
747	break;	899	break;
748		900
		901	#if DB_VERSION_MINOR >= 3
749	case REQ_SEQ_OPEN:	902	case REQ_SEQ_OPEN:
750	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);	903	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
751	break;	904	break;
752		905
753	case REQ_SEQ_CLOSE:	906	case REQ_SEQ_CLOSE:
…		…
759	break;	912	break;
760		913
761	case REQ_SEQ_REMOVE:	914	case REQ_SEQ_REMOVE:
762	req->result = req->seq->remove (req->seq, req->txn, req->uint1);	915	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
763	break;	916	break;
		917	#endif
764		918
765	default:	919	default:
766	req->result = ENOSYS;	920	req->result = ENOSYS;
767	break;	921	break;
768	}	922	}
		923
		924	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		925	req->txn->flags |= TXN_DEADLOCK;
769		926
770	X_LOCK (reslock);	927	X_LOCK (reslock);
771		928
772	++npending;	929	++npending;
773		930
…		…
805	X_UNLOCK (wrklock);	962	X_UNLOCK (wrklock);
806	}	963	}
807		964
808	static void atfork_child (void)	965	static void atfork_child (void)
809	{	966	{
810	aio_req prv;	967	bdb_req prv;
811		968
812	while (prv = reqq_shift (&req_queue))	969	while (prv = reqq_shift (&req_queue))
813	req_free (prv);	970	req_free (prv);
814		971
815	while (prv = reqq_shift (&res_queue))	972	while (prv = reqq_shift (&res_queue))
…		…
830	idle = 0;	987	idle = 0;
831	nreqs = 0;	988	nreqs = 0;
832	nready = 0;	989	nready = 0;
833	npending = 0;	990	npending = 0;
834		991
835	respipe_close (respipe [0]);
836	respipe_close (respipe [1]);
837
838	create_pipe (respipe);	992	create_respipe ();
839		993
840	atfork_parent ();	994	atfork_parent ();
841	}	995	}
842		996
843	#define dREQ(reqtype) \	997	#define dREQ(reqtype,rsvcnt) \
844	aio_req req; \	998	bdb_req req; \
845	int req_pri = next_pri; \	999	int req_pri = next_pri; \
846	next_pri = DEFAULT_PRI + PRI_BIAS; \	1000	next_pri = DEFAULT_PRI + PRI_BIAS; \
847	\	1001	\
848	if (SvOK (callback) && !SvROK (callback)) \	1002	if (callback && SvOK (callback)) \
849	croak ("callback must be undef or of reference type"); \	1003	croak ("callback has illegal type or extra arguments"); \
850	\	1004	\
851	Newz (0, req, 1, aio_cb); \	1005	Newz (0, req, 1, bdb_cb); \
852	if (!req) \	1006	if (!req) \
853	croak ("out of memory during aio_req allocation"); \	1007	croak ("out of memory during bdb_req allocation"); \
854	\	1008	\
855	req->callback = newSVsv (callback); \	1009	req->callback = SvREFCNT_inc (cb); \
856	req->type = (reqtype); \	1010	req->type = (reqtype); \
857	req->pri = req_pri	1011	req->pri = req_pri; \
		1012	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1013	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1014	(void)0;
858		1015
859	#define REQ_SEND \	1016	#define REQ_SEND \
860	req_send (req)	1017	req_send (req)
861		1018
862	#define SvPTR(var, arg, type, class, nullok) \	1019	#define SvPTR(var, arg, type, class, nullok) \
863	if (!SvOK (arg)) \	1020	if (!SvOK (arg)) \
864	{ \	1021	{ \
865	if (!nullok) \	1022	if (nullok != 1) \
866	croak (# var " must be a " # class " object, not undef"); \	1023	croak (# var " must be a " # class " object, not undef"); \
867	\	1024	\
868	(var) = 0; \	1025	(var) = 0; \
869	} \	1026	} \
870	else if (sv_derived_from ((arg), # class)) \	1027	else if (sv_derived_from ((arg), # class)) \
871	{ \	1028	{ \
872	IV tmp = SvIV ((SV*) SvRV (arg)); \	1029	IV tmp = SvIV ((SV*) SvRV (arg)); \
873	(var) = INT2PTR (type, tmp); \	1030	(var) = INT2PTR (type, tmp); \
874	if (!var) \	1031	if (!var && nullok != 2) \
875	croak (# var " is not a valid " # class " object anymore"); \	1032	croak (# var " is not a valid " # class " object anymore"); \
876	} \	1033	} \
877	else \	1034	else \
878	croak (# var " is not of type " # class); \	1035	croak (# var " is not of type " # class);
879	\
880		1036
881	static void	1037	static void
882	ptr_nuke (SV *sv)	1038	ptr_nuke (SV *sv)
883	{	1039	{
884	assert (SvROK (sv));	1040	assert (SvROK (sv));
885	sv_setiv (SvRV (sv), 0);	1041	sv_setiv (SvRV (sv), 0);
886	}	1042	}
		1043
		1044	static int
		1045	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1046	{
		1047	if (*mg->mg_ptr == '!') // should always be the case
		1048	if (-30999 <= errno && errno <= -30800)
		1049	{
		1050	sv_setnv (sv, (NV)errno);
		1051	sv_setpv (sv, db_strerror (errno));
		1052	SvNOK_on (sv); /* what a wonderful hack! */
		1053	// ^^^ copied from perl sources
		1054	return 0;
		1055	}
		1056
		1057	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1058	}
		1059
		1060	static MGVTBL vtbl_errno;
		1061
		1062	// this wonderful hack :( patches perl's $! variable to support our errno values
		1063	static void
		1064	patch_errno (void)
		1065	{
		1066	SV *sv;
		1067	MAGIC *mg;
		1068
		1069	if (!(sv = get_sv ("!", 1)))
		1070	return;
		1071
		1072	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1073	return;
		1074
		1075	if (mg->mg_virtual != &PL_vtbl_sv)
		1076	return;
		1077
		1078	vtbl_errno = PL_vtbl_sv;
		1079	vtbl_errno.svt_get = errno_get;
		1080	mg->mg_virtual = &vtbl_errno;
		1081	}
		1082
		1083	#if __GNUC__ >= 4
		1084	# define noinline __attribute__ ((noinline))
		1085	#else
		1086	# define noinline
		1087	#endif
		1088
		1089	static noinline SV *
		1090	pop_callback (I32 *ritems, SV *sv)
		1091	{
		1092	if (SvROK (sv))
		1093	{
		1094	HV *st;
		1095	GV *gvp;
		1096	CV *cv;
		1097	const char *name;
		1098
		1099	/* forgive me */
		1100	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1101	&& (st = SvSTASH (SvRV (sv)))
		1102	&& (name = HvNAME_get (st))
		1103	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1104	return 0;
		1105
		1106	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1107	{
		1108	--*ritems;
		1109	return (SV *)cv;
		1110	}
		1111	}
		1112
		1113	return 0;
		1114	}
		1115
		1116	/* stupid windoes defined CALLBACK as well */
		1117	#undef CALLBACK
		1118	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
887		1119
888	MODULE = BDB PACKAGE = BDB	1120	MODULE = BDB PACKAGE = BDB
889		1121
890	PROTOTYPES: ENABLE	1122	PROTOTYPES: ENABLE
891		1123
…		…
907	const_iv (INIT_TXN)	1139	const_iv (INIT_TXN)
908	const_iv (RECOVER)	1140	const_iv (RECOVER)
909	const_iv (INIT_TXN)	1141	const_iv (INIT_TXN)
910	const_iv (RECOVER_FATAL)	1142	const_iv (RECOVER_FATAL)
911	const_iv (CREATE)	1143	const_iv (CREATE)
		1144	const_iv (RDONLY)
912	const_iv (USE_ENVIRON)	1145	const_iv (USE_ENVIRON)
913	const_iv (USE_ENVIRON_ROOT)	1146	const_iv (USE_ENVIRON_ROOT)
914	const_iv (LOCKDOWN)	1147	const_iv (LOCKDOWN)
915	const_iv (PRIVATE)	1148	const_iv (PRIVATE)
916	const_iv (REGISTER)
917	const_iv (SYSTEM_MEM)	1149	const_iv (SYSTEM_MEM)
918	const_iv (AUTO_COMMIT)	1150	const_iv (AUTO_COMMIT)
919	const_iv (CDB_ALLDB)	1151	const_iv (CDB_ALLDB)
920	const_iv (DIRECT_DB)	1152	const_iv (DIRECT_DB)
921	const_iv (DIRECT_LOG)
922	const_iv (DSYNC_DB)
923	const_iv (DSYNC_LOG)
924	const_iv (LOG_AUTOREMOVE)
925	const_iv (LOG_INMEMORY)
926	const_iv (NOLOCKING)	1153	const_iv (NOLOCKING)
927	const_iv (NOMMAP)	1154	const_iv (NOMMAP)
928	const_iv (NOPANIC)	1155	const_iv (NOPANIC)
929	const_iv (OVERWRITE)	1156	const_iv (OVERWRITE)
930	const_iv (PANIC_ENVIRONMENT)	1157	const_iv (PANIC_ENVIRONMENT)
931	const_iv (REGION_INIT)	1158	const_iv (REGION_INIT)
932	const_iv (TIME_NOTGRANTED)	1159	const_iv (TIME_NOTGRANTED)
933	const_iv (TXN_NOSYNC)	1160	const_iv (TXN_NOSYNC)
		1161	const_iv (TXN_NOT_DURABLE)
934	const_iv (TXN_WRITE_NOSYNC)	1162	const_iv (TXN_WRITE_NOSYNC)
935	const_iv (WRITECURSOR)	1163	const_iv (WRITECURSOR)
936	const_iv (YIELDCPU)	1164	const_iv (YIELDCPU)
937	const_iv (ENCRYPT_AES)	1165	const_iv (ENCRYPT_AES)
938	const_iv (XA_CREATE)	1166	const_iv (XA_CREATE)
…		…
940	const_iv (HASH)	1168	const_iv (HASH)
941	const_iv (QUEUE)	1169	const_iv (QUEUE)
942	const_iv (RECNO)	1170	const_iv (RECNO)
943	const_iv (UNKNOWN)	1171	const_iv (UNKNOWN)
944	const_iv (EXCL)	1172	const_iv (EXCL)
945	const_iv (READ_COMMITTED)
946	const_iv (READ_UNCOMMITTED)
947	const_iv (TRUNCATE)	1173	const_iv (TRUNCATE)
948	const_iv (NOSYNC)	1174	const_iv (NOSYNC)
949	const_iv (CHKSUM)	1175	const_iv (CHKSUM)
950	const_iv (ENCRYPT)	1176	const_iv (ENCRYPT)
951	const_iv (TXN_NOT_DURABLE)
952	const_iv (DUP)	1177	const_iv (DUP)
953	const_iv (DUPSORT)	1178	const_iv (DUPSORT)
954	const_iv (RECNUM)	1179	const_iv (RECNUM)
955	const_iv (RENUMBER)	1180	const_iv (RENUMBER)
956	const_iv (REVSPLITOFF)	1181	const_iv (REVSPLITOFF)
957	const_iv (INORDER)
958	const_iv (CONSUME)	1182	const_iv (CONSUME)
959	const_iv (CONSUME_WAIT)	1183	const_iv (CONSUME_WAIT)
960	const_iv (GET_BOTH)	1184	const_iv (GET_BOTH)
961	const_iv (GET_BOTH_RANGE)	1185	const_iv (GET_BOTH_RANGE)
962	//const_iv (SET_RECNO)	1186	//const_iv (SET_RECNO)
963	//const_iv (MULTIPLE)	1187	//const_iv (MULTIPLE)
964	const_iv (SNAPSHOT)	1188	const_iv (SNAPSHOT)
965	const_iv (JOIN_ITEM)	1189	const_iv (JOIN_ITEM)
		1190	const_iv (JOIN_NOSORT)
966	const_iv (RMW)	1191	const_iv (RMW)
967		1192
968	const_iv (NOTFOUND)	1193	const_iv (NOTFOUND)
969	const_iv (KEYEMPTY)	1194	const_iv (KEYEMPTY)
970	const_iv (LOCK_DEADLOCK)	1195	const_iv (LOCK_DEADLOCK)
971	const_iv (LOCK_NOTGRANTED)	1196	const_iv (LOCK_NOTGRANTED)
972	const_iv (RUNRECOVERY)	1197	const_iv (RUNRECOVERY)
973	const_iv (OLD_VERSION)	1198	const_iv (OLD_VERSION)
974	const_iv (REP_HANDLE_DEAD)	1199	const_iv (REP_HANDLE_DEAD)
975	const_iv (REP_LOCKOUT)
976	const_iv (SECONDARY_BAD)	1200	const_iv (SECONDARY_BAD)
977
978	const_iv (FREE_SPACE)
979	const_iv (FREELIST_ONLY)
980		1201
981	const_iv (APPEND)	1202	const_iv (APPEND)
982	const_iv (NODUPDATA)	1203	const_iv (NODUPDATA)
983	const_iv (NOOVERWRITE)	1204	const_iv (NOOVERWRITE)
984		1205
…		…
986	const_iv (TXN_SYNC)	1207	const_iv (TXN_SYNC)
987		1208
988	const_iv (SET_LOCK_TIMEOUT)	1209	const_iv (SET_LOCK_TIMEOUT)
989	const_iv (SET_TXN_TIMEOUT)	1210	const_iv (SET_TXN_TIMEOUT)
990		1211
991	const_iv (JOIN_ITEM)
992	const_iv (FIRST)	1212	const_iv (FIRST)
993	const_iv (NEXT)	1213	const_iv (NEXT)
994	const_iv (NEXT_DUP)	1214	const_iv (NEXT_DUP)
995	const_iv (NEXT_NODUP)	1215	const_iv (NEXT_NODUP)
996	const_iv (PREV)	1216	const_iv (PREV)
…		…
1008	const_iv (FORCE)	1228	const_iv (FORCE)
1009		1229
1010	const_iv (LOCK_DEFAULT)	1230	const_iv (LOCK_DEFAULT)
1011	const_iv (LOCK_EXPIRE)	1231	const_iv (LOCK_EXPIRE)
1012	const_iv (LOCK_MAXLOCKS)	1232	const_iv (LOCK_MAXLOCKS)
1013	const_iv (LOCK_MAXWRITE)
1014	const_iv (LOCK_MINLOCKS)	1233	const_iv (LOCK_MINLOCKS)
1015	const_iv (LOCK_MINWRITE)	1234	const_iv (LOCK_MINWRITE)
1016	const_iv (LOCK_OLDEST)	1235	const_iv (LOCK_OLDEST)
1017	const_iv (LOCK_RANDOM)	1236	const_iv (LOCK_RANDOM)
1018	const_iv (LOCK_YOUNGEST)	1237	const_iv (LOCK_YOUNGEST)
1019		1238
		1239	const_iv (DONOTINDEX)
		1240	const_iv (KEYEMPTY )
		1241	const_iv (KEYEXIST )
		1242	const_iv (LOCK_DEADLOCK)
		1243	const_iv (LOCK_NOTGRANTED)
		1244	const_iv (NOSERVER)
		1245	const_iv (NOSERVER_HOME)
		1246	const_iv (NOSERVER_ID)
		1247	const_iv (NOTFOUND)
		1248	const_iv (PAGE_NOTFOUND)
		1249	const_iv (REP_DUPMASTER)
		1250	const_iv (REP_HANDLE_DEAD)
		1251	const_iv (REP_HOLDELECTION)
		1252	const_iv (REP_ISPERM)
		1253	const_iv (REP_NEWMASTER)
		1254	const_iv (REP_NEWSITE)
		1255	const_iv (REP_NOTPERM)
		1256	const_iv (REP_UNAVAIL)
		1257	const_iv (RUNRECOVERY)
		1258	const_iv (SECONDARY_BAD)
		1259	const_iv (VERIFY_BAD)
		1260
		1261	const_iv (VERB_DEADLOCK)
		1262	const_iv (VERB_RECOVERY)
		1263	const_iv (VERB_REPLICATION)
		1264	const_iv (VERB_WAITSFOR)
		1265
		1266	const_iv (VERSION_MAJOR)
		1267	const_iv (VERSION_MINOR)
		1268	const_iv (VERSION_PATCH)
		1269	#if DB_VERSION_MINOR >= 3
		1270	const_iv (INORDER)
		1271	const_iv (LOCK_MAXWRITE)
1020	const_iv (SEQ_DEC)	1272	const_iv (SEQ_DEC)
1021	const_iv (SEQ_INC)	1273	const_iv (SEQ_INC)
1022	const_iv (SEQ_WRAP)	1274	const_iv (SEQ_WRAP)
		1275	const_iv (BUFFER_SMALL)
		1276	const_iv (LOG_BUFFER_FULL)
		1277	const_iv (VERSION_MISMATCH)
		1278	#endif
		1279	#if DB_VERSION_MINOR >= 4
		1280	const_iv (REGISTER)
		1281	const_iv (DSYNC_DB)
		1282	const_iv (READ_COMMITTED)
		1283	const_iv (READ_UNCOMMITTED)
		1284	const_iv (REP_IGNORE)
		1285	const_iv (REP_LOCKOUT)
		1286	const_iv (REP_JOIN_FAILURE)
		1287	const_iv (FREE_SPACE)
		1288	const_iv (FREELIST_ONLY)
		1289	const_iv (VERB_REGISTER)
		1290	#endif
1023	#if DB_VERSION_MINOR >= 5	1291	#if DB_VERSION_MINOR >= 5
1024	const_iv (MULTIVERSION)	1292	const_iv (MULTIVERSION)
1025	const_iv (TXN_SNAPSHOT)	1293	const_iv (TXN_SNAPSHOT)
1026	#endif	1294	#endif
		1295	#if DB_VERSION_MINOR >= 6
		1296	const_iv (PREV_DUP)
		1297	const_iv (PRIORITY_UNCHANGED)
		1298	const_iv (PRIORITY_VERY_LOW)
		1299	const_iv (PRIORITY_LOW)
		1300	const_iv (PRIORITY_DEFAULT)
		1301	const_iv (PRIORITY_HIGH)
		1302	const_iv (PRIORITY_VERY_HIGH)
		1303	#endif
		1304	#if DB_VERSION_MINOR >= 7
		1305	const_iv (LOG_DIRECT)
		1306	const_iv (LOG_DSYNC)
		1307	const_iv (LOG_AUTO_REMOVE)
		1308	const_iv (LOG_IN_MEMORY)
		1309	const_iv (LOG_ZERO)
		1310	#else
		1311	const_iv (DIRECT_LOG)
		1312	const_iv (LOG_AUTOREMOVE)
		1313	# if DB_VERSION_MINOR >= 3
		1314	const_iv (DSYNC_LOG)
		1315	const_iv (LOG_INMEMORY)
		1316	# endif
		1317	#endif
1027	};	1318	};
1028		1319
1029	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1320	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1030	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1321	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1031		1322
		1323	{
		1324	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1325	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1326
		1327	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1328	}
		1329
		1330	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1331
1032	create_pipe (respipe);	1332	create_respipe ();
1033		1333
1034	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1334	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1035	#ifdef _WIN32	1335	patch_errno ();
1036	X_MUTEX_CHECK (wrklock);
1037	X_MUTEX_CHECK (reslock);
1038	X_MUTEX_CHECK (reqlock);
1039
1040	X_COND_CHECK (reqwait);
1041	#endif
1042	}	1336	}
1043		1337
1044	void	1338	void
1045	max_poll_reqs (int nreqs)	1339	max_poll_reqs (int nreqs)
1046	PROTOTYPE: $	1340	PROTOTYPE: $
…		…
1178	PROTOTYPE: &	1472	PROTOTYPE: &
1179	CODE:	1473	CODE:
1180	SvREFCNT_dec (prepare_cb);	1474	SvREFCNT_dec (prepare_cb);
1181	prepare_cb = newSVsv (cb);	1475	prepare_cb = newSVsv (cb);
1182		1476
		1477	char *
		1478	strerror (int errorno = errno)
		1479	PROTOTYPE: ;$
		1480	CODE:
		1481	RETVAL = db_strerror (errorno);
		1482	OUTPUT:
		1483	RETVAL
		1484
		1485	void _on_next_submit (SV *cb)
		1486	CODE:
		1487	SvREFCNT_dec (on_next_submit);
		1488	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1183		1489
1184	DB_ENV *	1490	DB_ENV *
1185	db_env_create (U32 env_flags = 0)	1491	db_env_create (U32 env_flags = 0)
1186	CODE:	1492	CODE:
1187	{	1493	{
1188	errno = db_env_create (&RETVAL, env_flags);	1494	errno = db_env_create (&RETVAL, env_flags);
1189	if (errno)	1495	if (errno)
1190	croak ("db_env_create: %s", db_strerror (errno));	1496	croak ("db_env_create: %s", db_strerror (errno));
		1497
		1498	if (0)
		1499	{
		1500	RETVAL->set_errcall (RETVAL, debug_errcall);
		1501	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1502	}
1191	}	1503	}
1192	OUTPUT:	1504	OUTPUT:
1193	RETVAL	1505	RETVAL
1194		1506
1195	void	1507	void
1196	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1508	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1509	PREINIT:
		1510	CALLBACK
1197	CODE:	1511	CODE:
1198	{	1512	{
1199	dREQ (REQ_ENV_OPEN);	1513	dREQ (REQ_ENV_OPEN, 1);
1200
1201	env->set_thread_count (env, get_nthreads ());
1202
1203	req->env = env;	1514	req->env = env;
1204	req->uint1 = open_flags | DB_THREAD;	1515	req->uint1 = open_flags | DB_THREAD;
1205	req->int1 = mode;	1516	req->int1 = mode;
1206	req->buf1 = strdup_ornull (db_home);	1517	req->buf1 = strdup_ornull (db_home);
1207	REQ_SEND;	1518	REQ_SEND;
1208	}	1519	}
1209		1520
1210	void	1521	void
1211	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1522	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1523	PREINIT:
		1524	CALLBACK
1212	CODE:	1525	CODE:
1213	{	1526	{
1214	dREQ (REQ_ENV_CLOSE);	1527	dREQ (REQ_ENV_CLOSE, 1);
1215	req->env = env;	1528	req->env = env;
1216	req->uint1 = flags;	1529	req->uint1 = flags;
1217	REQ_SEND;	1530	REQ_SEND;
1218	ptr_nuke (ST (0));	1531	ptr_nuke (ST (0));
1219	}	1532	}
1220		1533
1221	void	1534	void
1222	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1535	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
1223	CODE:	1538	CODE:
1224	{	1539	{
1225	dREQ (REQ_ENV_TXN_CHECKPOINT);	1540	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1226	req->env = env;	1541	req->env = env;
1227	req->uint1 = kbyte;	1542	req->uint1 = kbyte;
1228	req->int1 = min;	1543	req->int1 = min;
1229	req->uint2 = flags;	1544	req->uint2 = flags;
1230	REQ_SEND;	1545	REQ_SEND;
1231	}	1546	}
1232		1547
1233	void	1548	void
1234	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1549	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
1235	CODE:	1552	CODE:
1236	{	1553	{
1237	dREQ (REQ_ENV_LOCK_DETECT);	1554	dREQ (REQ_ENV_LOCK_DETECT, 1);
1238	req->env = env;	1555	req->env = env;
1239	req->uint1 = flags;	1556	req->uint1 = flags;
1240	req->uint2 = atype;	1557	req->uint2 = atype;
		1558	/* req->int2 = 0; dummy */
1241	REQ_SEND;	1559	REQ_SEND;
1242	}	1560	}
1243		1561
1244	void	1562	void
1245	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1563	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
1246	CODE:	1566	CODE:
1247	{	1567	{
1248	dREQ (REQ_ENV_MEMP_SYNC);	1568	dREQ (REQ_ENV_MEMP_SYNC, 1);
1249	req->env = env;	1569	req->env = env;
1250	REQ_SEND;	1570	REQ_SEND;
1251	}	1571	}
1252		1572
1253	void	1573	void
1254	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1574	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
1255	CODE:	1577	CODE:
1256	{	1578	{
1257	dREQ (REQ_ENV_MEMP_TRICKLE);	1579	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1258	req->env = env;	1580	req->env = env;
1259	req->int1 = percent;	1581	req->int1 = percent;
1260	REQ_SEND;	1582	REQ_SEND;
1261	}	1583	}
1262		1584
		1585	void
		1586	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1587	PREINIT:
		1588	CALLBACK
		1589	CODE:
		1590	{
		1591	dREQ (REQ_ENV_DBREMOVE, 2);
		1592	req->env = env;
		1593	req->buf1 = strdup_ornull (file);
		1594	req->buf2 = strdup_ornull (database);
		1595	req->uint1 = flags;
		1596	REQ_SEND;
		1597	}
		1598
		1599	void
		1600	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)
		1601	PREINIT:
		1602	CALLBACK
		1603	CODE:
		1604	{
		1605	dREQ (REQ_ENV_DBRENAME, 2);
		1606	req->env = env;
		1607	req->buf1 = strdup_ornull (file);
		1608	req->buf2 = strdup_ornull (database);
		1609	req->buf3 = strdup_ornull (newname);
		1610	req->uint1 = flags;
		1611	REQ_SEND;
		1612	}
1263		1613
1264	DB *	1614	DB *
1265	db_create (DB_ENV *env = 0, U32 flags = 0)	1615	db_create (DB_ENV *env = 0, U32 flags = 0)
1266	CODE:	1616	CODE:
1267	{	1617	{
…		…
1274	}	1624	}
1275	OUTPUT:	1625	OUTPUT:
1276	RETVAL	1626	RETVAL
1277		1627
1278	void	1628	void
1279	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1629	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1630	PREINIT:
		1631	CALLBACK
1280	CODE:	1632	CODE:
1281	{	1633	{
1282	dREQ (REQ_DB_OPEN);	1634	dREQ (REQ_DB_OPEN, 2);
1283	req->db = db;	1635	req->db = db;
1284	req->txn = txnid;	1636	req->txn = txnid;
1285	req->buf1 = strdup_ornull (file);	1637	req->buf1 = strdup_ornull (file);
1286	req->buf2 = strdup_ornull (database);	1638	req->buf2 = strdup_ornull (database);
1287	req->int1 = type;	1639	req->int1 = type;
…		…
1289	req->int2 = mode;	1641	req->int2 = mode;
1290	REQ_SEND;	1642	REQ_SEND;
1291	}	1643	}
1292		1644
1293	void	1645	void
1294	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1646	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1647	PREINIT:
		1648	CALLBACK
1295	CODE:	1649	CODE:
1296	{	1650	{
1297	dREQ (REQ_DB_CLOSE);	1651	dREQ (REQ_DB_CLOSE, 1);
1298	req->db = db;	1652	req->db = db;
1299	req->uint1 = flags;	1653	req->uint1 = flags;
1300	req->sv1 = (SV *)db->app_private;	1654	req->sv1 = (SV *)db->app_private;
1301	REQ_SEND;	1655	REQ_SEND;
1302	ptr_nuke (ST (0));	1656	ptr_nuke (ST (0));
1303	}	1657	}
1304		1658
		1659	#if DB_VERSION_MINOR >= 4
		1660
1305	void	1661	void
1306	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)	1662	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)
		1663	PREINIT:
		1664	CALLBACK
1307	CODE:	1665	CODE:
1308	{	1666	{
1309	dREQ (REQ_DB_COMPACT);	1667	dREQ (REQ_DB_COMPACT, 2);
1310	req->db = db;	1668	req->db = db;
1311	req->txn = txn;	1669	req->txn = txn;
1312	sv_to_dbt (&req->dbt1, start);	1670	sv_to_dbt (&req->dbt1, start);
1313	sv_to_dbt (&req->dbt2, stop);	1671	sv_to_dbt (&req->dbt2, stop);
1314	req->uint1 = flags;	1672	req->uint1 = flags;
1315	REQ_SEND;	1673	REQ_SEND;
1316	}	1674	}
1317		1675
		1676	#endif
		1677
1318	void	1678	void
1319	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1679	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
1320	CODE:	1682	CODE:
1321	{	1683	{
1322	dREQ (REQ_DB_SYNC);	1684	dREQ (REQ_DB_SYNC, 1);
1323	req->db = db;	1685	req->db = db;
1324	req->uint1 = flags;	1686	req->uint1 = flags;
1325	REQ_SEND;	1687	REQ_SEND;
1326	}	1688	}
1327		1689
1328	void	1690	void
		1691	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1692	PREINIT:
		1693	CALLBACK
		1694	CODE:
		1695	{
		1696	dREQ (REQ_DB_SYNC, 1);
		1697	req->db = db;
		1698	req->buf1 = strdup (file);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
1329	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1704	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
1330	CODE:	1707	CODE:
1331	{	1708	{
1332	dREQ (REQ_DB_KEY_RANGE);	1709	dREQ (REQ_DB_KEY_RANGE, 2);
1333	req->db = db;	1710	req->db = db;
1334	req->txn = txn;	1711	req->txn = txn;
1335	sv_to_dbt (&req->dbt1, key);	1712	sv_to_dbt (&req->dbt1, key);
1336	req->uint1 = flags;	1713	req->uint1 = flags;
1337	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1714	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1338	REQ_SEND;	1715	REQ_SEND;
1339	}	1716	}
1340		1717
1341	void	1718	void
1342	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1719	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
1343	CODE:	1722	CODE:
1344	{	1723	{
1345	dREQ (REQ_DB_PUT);	1724	dREQ (REQ_DB_PUT, 2);
1346	req->db = db;	1725	req->db = db;
1347	req->txn = txn;	1726	req->txn = txn;
1348	sv_to_dbt (&req->dbt1, key);	1727	sv_to_dbt (&req->dbt1, key);
1349	sv_to_dbt (&req->dbt2, data);	1728	sv_to_dbt (&req->dbt2, data);
1350	req->uint1 = flags;	1729	req->uint1 = flags;
1351	REQ_SEND;	1730	REQ_SEND;
1352	}	1731	}
1353		1732
		1733	#if DB_VERSION_MINOR >= 6
		1734
1354	void	1735	void
		1736	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
		1739	CODE:
		1740	{
		1741	dREQ (REQ_DB_EXISTS, 2);
		1742	req->db = db;
		1743	req->txn = txn;
		1744	req->uint1 = flags;
		1745	sv_to_dbt (&req->dbt1, key);
		1746	REQ_SEND;
		1747	}
		1748
		1749	#endif
		1750
		1751	void
1355	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1752	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1753	PREINIT:
		1754	CALLBACK
1356	CODE:	1755	CODE:
		1756	if (SvREADONLY (data))
		1757	croak ("can't modify read-only data scalar in db_get");
1357	{	1758	{
1358	dREQ (REQ_DB_GET);	1759	dREQ (REQ_DB_GET, 2);
1359	req->db = db;	1760	req->db = db;
1360	req->txn = txn;	1761	req->txn = txn;
1361	req->uint1 = flags;	1762	req->uint1 = flags;
1362	sv_to_dbt (&req->dbt1, key);	1763	sv_to_dbt (&req->dbt1, key);
1363	req->dbt3.flags = DB_DBT_MALLOC;	1764	req->dbt3.flags = DB_DBT_MALLOC;
1364	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1765	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1365	REQ_SEND;	1766	REQ_SEND;
1366	}	1767	}
1367		1768
1368	void	1769	void
1369	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1770	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1771	PREINIT:
		1772	CALLBACK
1370	CODE:	1773	CODE:
		1774	if (SvREADONLY (data))
		1775	croak ("can't modify read-only data scalar in db_pget");
1371	{	1776	{
1372	dREQ (REQ_DB_PGET);	1777	dREQ (REQ_DB_PGET, 2);
1373	req->db = db;	1778	req->db = db;
1374	req->txn = txn;	1779	req->txn = txn;
1375	req->uint1 = flags;	1780	req->uint1 = flags;
1376	sv_to_dbt (&req->dbt1, key);	1781	sv_to_dbt (&req->dbt1, key);
1377	sv_to_dbt (&req->dbt2, pkey);	1782	sv_to_dbt (&req->dbt2, pkey);
…		…
1379	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1784	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1380	REQ_SEND;	1785	REQ_SEND;
1381	}	1786	}
1382		1787
1383	void	1788	void
1384	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1789	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1790	PREINIT:
		1791	CALLBACK
1385	CODE:	1792	CODE:
1386	{	1793	{
1387	dREQ (REQ_DB_DEL);	1794	dREQ (REQ_DB_DEL, 2);
1388	req->db = db;	1795	req->db = db;
1389	req->txn = txn;	1796	req->txn = txn;
1390	req->uint1 = flags;	1797	req->uint1 = flags;
1391	sv_to_dbt (&req->dbt1, key);	1798	sv_to_dbt (&req->dbt1, key);
1392	REQ_SEND;	1799	REQ_SEND;
1393	}	1800	}
1394		1801
1395	void	1802	void
1396	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1803	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1804	PREINIT:
		1805	CALLBACK
1397	CODE:	1806	CODE:
1398	{	1807	{
1399	dREQ (REQ_TXN_COMMIT);	1808	dREQ (REQ_TXN_COMMIT, 1);
1400	req->txn = txn;	1809	req->txn = txn;
1401	req->uint1 = flags;	1810	req->uint1 = flags;
1402	REQ_SEND;	1811	REQ_SEND;
1403	ptr_nuke (ST (0));	1812	ptr_nuke (ST (0));
1404	}	1813	}
1405		1814
1406	void	1815	void
1407	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1816	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
1408	CODE:	1819	CODE:
1409	{	1820	{
1410	dREQ (REQ_TXN_ABORT);	1821	dREQ (REQ_TXN_ABORT, 1);
1411	req->txn = txn;	1822	req->txn = txn;
1412	REQ_SEND;	1823	REQ_SEND;
1413	ptr_nuke (ST (0));	1824	ptr_nuke (ST (0));
1414	}	1825	}
1415		1826
1416	void	1827	void
		1828	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
		1831	CODE:
		1832	{
		1833	dREQ (REQ_TXN_FINISH, 1);
		1834	req->txn = txn;
		1835	req->uint1 = flags;
		1836	REQ_SEND;
		1837	ptr_nuke (ST (0));
		1838	}
		1839
		1840	void
1417	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1841	db_c_close (DBC *dbc, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
1418	CODE:	1844	CODE:
1419	{	1845	{
1420	dREQ (REQ_C_CLOSE);	1846	dREQ (REQ_C_CLOSE, 1);
1421	req->dbc = dbc;	1847	req->dbc = dbc;
1422	REQ_SEND;	1848	REQ_SEND;
1423	ptr_nuke (ST (0));	1849	ptr_nuke (ST (0));
1424	}	1850	}
1425		1851
1426	void	1852	void
1427	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1853	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
1428	CODE:	1856	CODE:
1429	{	1857	{
1430	dREQ (REQ_C_COUNT);	1858	dREQ (REQ_C_COUNT, 1);
1431	req->dbc = dbc;	1859	req->dbc = dbc;
1432	req->sv1 = SvREFCNT_inc (count);	1860	req->sv1 = SvREFCNT_inc (count);
1433	REQ_SEND;	1861	REQ_SEND;
1434	}	1862	}
1435		1863
1436	void	1864	void
1437	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1865	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1866	PREINIT:
		1867	CALLBACK
1438	CODE:	1868	CODE:
1439	{	1869	{
1440	dREQ (REQ_C_PUT);	1870	dREQ (REQ_C_PUT, 1);
1441	req->dbc = dbc;	1871	req->dbc = dbc;
1442	sv_to_dbt (&req->dbt1, key);	1872	sv_to_dbt (&req->dbt1, key);
1443	sv_to_dbt (&req->dbt2, data);	1873	sv_to_dbt (&req->dbt2, data);
1444	req->uint1 = flags;	1874	req->uint1 = flags;
1445	REQ_SEND;	1875	REQ_SEND;
1446	}	1876	}
1447		1877
1448	void	1878	void
1449	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1879	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1880	PREINIT:
		1881	CALLBACK
1450	CODE:	1882	CODE:
1451	{	1883	{
1452	dREQ (REQ_C_GET);	1884	dREQ (REQ_C_GET, 1);
1453	req->dbc = dbc;	1885	req->dbc = dbc;
1454	req->uint1 = flags;	1886	req->uint1 = flags;
1455	if ((flags & DB_SET) == DB_SET	1887	if ((flags & DB_SET) == DB_SET
1456	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1888	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1457	sv_to_dbt (&req->dbt1, key);	1889	sv_to_dbt (&req->dbt1, key);
…		…
1469	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1901	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1470	REQ_SEND;	1902	REQ_SEND;
1471	}	1903	}
1472		1904
1473	void	1905	void
1474	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1906	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
1475	CODE:	1909	CODE:
1476	{	1910	{
1477	dREQ (REQ_C_PGET);	1911	dREQ (REQ_C_PGET, 1);
1478	req->dbc = dbc;	1912	req->dbc = dbc;
1479	req->uint1 = flags;	1913	req->uint1 = flags;
1480	if ((flags & DB_SET) == DB_SET	1914	if ((flags & DB_SET) == DB_SET
1481	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1915	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1482	sv_to_dbt (&req->dbt1, key);	1916	sv_to_dbt (&req->dbt1, key);
…		…
1497	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1931	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1498	REQ_SEND;	1932	REQ_SEND;
1499	}	1933	}
1500		1934
1501	void	1935	void
1502	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1936	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1937	PREINIT:
		1938	CALLBACK
1503	CODE:	1939	CODE:
1504	{	1940	{
1505	dREQ (REQ_C_DEL);	1941	dREQ (REQ_C_DEL, 1);
1506	req->dbc = dbc;	1942	req->dbc = dbc;
1507	req->uint1 = flags;	1943	req->uint1 = flags;
1508	REQ_SEND;	1944	REQ_SEND;
1509	}	1945	}
1510		1946
1511		1947
		1948	#if DB_VERSION_MINOR >= 3
		1949
1512	void	1950	void
1513	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1951	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
1514	CODE:	1954	CODE:
1515	{	1955	{
1516	dREQ (REQ_SEQ_OPEN);	1956	dREQ (REQ_SEQ_OPEN, 2);
1517	req->seq = seq;	1957	req->seq = seq;
1518	req->txn = txnid;	1958	req->txn = txnid;
1519	req->uint1 = flags | DB_THREAD;	1959	req->uint1 = flags | DB_THREAD;
1520	sv_to_dbt (&req->dbt1, key);	1960	sv_to_dbt (&req->dbt1, key);
1521	REQ_SEND;	1961	REQ_SEND;
1522	}	1962	}
1523		1963
1524	void	1964	void
1525	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1965	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1966	PREINIT:
		1967	CALLBACK
1526	CODE:	1968	CODE:
1527	{	1969	{
1528	dREQ (REQ_SEQ_CLOSE);	1970	dREQ (REQ_SEQ_CLOSE, 1);
1529	req->seq = seq;	1971	req->seq = seq;
1530	req->uint1 = flags;	1972	req->uint1 = flags;
1531	REQ_SEND;	1973	REQ_SEND;
1532	ptr_nuke (ST (0));	1974	ptr_nuke (ST (0));
1533	}	1975	}
1534		1976
1535	void	1977	void
1536	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)	1978	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1979	PREINIT:
		1980	CALLBACK
1537	CODE:	1981	CODE:
1538	{	1982	{
1539	dREQ (REQ_SEQ_GET);	1983	dREQ (REQ_SEQ_GET, 2);
1540	req->seq = seq;	1984	req->seq = seq;
1541	req->txn = txnid;	1985	req->txn = txnid;
1542	req->int1 = delta;	1986	req->int1 = delta;
1543	req->uint1 = flags;	1987	req->uint1 = flags;
1544	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1988	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1545	REQ_SEND;	1989	REQ_SEND;
1546	}	1990	}
1547		1991
1548	void	1992	void
1549	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1993	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
1550	CODE:	1996	CODE:
1551	{	1997	{
1552	dREQ (REQ_SEQ_REMOVE);	1998	dREQ (REQ_SEQ_REMOVE, 2);
1553	req->seq = seq;	1999	req->seq = seq;
1554	req->txn = txnid;	2000	req->txn = txnid;
1555	req->uint1 = flags;	2001	req->uint1 = flags;
1556	REQ_SEND;	2002	REQ_SEND;
1557	}	2003	}
1558		2004
		2005	#endif
		2006
1559		2007
1560	MODULE = BDB PACKAGE = BDB::Env	2008	MODULE = BDB PACKAGE = BDB::Env
1561		2009
1562	void	2010	void
1563	DESTROY (DB_ENV_ornull *env)	2011	DESTROY (DB_ENV_ornuked *env)
1564	CODE:	2012	CODE:
1565	if (env)	2013	if (env)
1566	env->close (env, 0);	2014	env->close (env, 0);
1567		2015
1568	int set_data_dir (DB_ENV *env, const char *dir)	2016	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1593	CODE:	2041	CODE:
1594	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2042	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1595	OUTPUT:	2043	OUTPUT:
1596	RETVAL	2044	RETVAL
1597		2045
1598	int set_flags (DB_ENV *env, U32 flags, int onoff)	2046	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1599	CODE:	2047	CODE:
1600	RETVAL = env->set_flags (env, flags, onoff);	2048	RETVAL = env->set_flags (env, flags, onoff);
1601	OUTPUT:	2049	OUTPUT:
1602	RETVAL	2050	RETVAL
1603		2051
		2052	#if DB_VERSION_MINOR >= 7
		2053
		2054	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2055	CODE:
		2056	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2057	OUTPUT:
		2058	RETVAL
		2059
		2060	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2061	CODE:
		2062	RETVAL = env->log_set_config (env, flags, onoff);
		2063	OUTPUT:
		2064	RETVAL
		2065
		2066	#endif
		2067
		2068
		2069	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2070	CODE:
		2071	env->set_errfile (env, errfile);
		2072
		2073	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2074	CODE:
		2075	env->set_msgfile (env, msgfile);
		2076
		2077	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2078	CODE:
		2079	RETVAL = env->set_verbose (env, which, onoff);
		2080	OUTPUT:
		2081	RETVAL
		2082
1604	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2083	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1605	CODE:	2084	CODE:
1606	RETVAL = env->set_encrypt (env, password, flags);	2085	RETVAL = env->set_encrypt (env, password, flags);
1607	OUTPUT:	2086	OUTPUT:
1608	RETVAL	2087	RETVAL
1609		2088
1610	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2089	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1611	CODE:	2090	CODE:
1612	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2091	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1613	OUTPUT:	2092	OUTPUT:
1614	RETVAL	2093	RETVAL
1615		2094
…		…
1664	int set_lg_max (DB_ENV *env, U32 max)	2143	int set_lg_max (DB_ENV *env, U32 max)
1665	CODE:	2144	CODE:
1666	RETVAL = env->set_lg_max (env, max);	2145	RETVAL = env->set_lg_max (env, max);
1667	OUTPUT:	2146	OUTPUT:
1668	RETVAL	2147	RETVAL
		2148
		2149	#if DB_VERSION_MINOR >= 4
		2150
		2151	int mutex_set_max (DB_ENV *env, U32 max)
		2152	CODE:
		2153	RETVAL = env->mutex_set_max (env, max);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_increment (DB_ENV *env, U32 increment)
		2158	CODE:
		2159	RETVAL = env->mutex_set_increment (env, increment);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2164	CODE:
		2165	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2166	OUTPUT:
		2167	RETVAL
		2168
		2169	int mutex_set_align (DB_ENV *env, U32 align)
		2170	CODE:
		2171	RETVAL = env->mutex_set_align (env, align);
		2172	OUTPUT:
		2173	RETVAL
		2174
		2175	#endif
1669		2176
1670	DB_TXN *	2177	DB_TXN *
1671	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2178	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1672	CODE:	2179	CODE:
1673	errno = env->txn_begin (env, parent, &RETVAL, flags);	2180	errno = env->txn_begin (env, parent, &RETVAL, flags);
1674	if (errno)	2181	if (errno)
1675	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2182	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1676	OUTPUT:	2183	OUTPUT:
1677	RETVAL	2184	RETVAL
1678		2185
		2186	#if DB_VERSION_MINOR >= 5
		2187
		2188	DB_TXN *
		2189	cdsgroup_begin (DB_ENV *env)
		2190	CODE:
		2191	errno = env->cdsgroup_begin (env, &RETVAL);
		2192	if (errno)
		2193	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	#endif
		2198
1679	MODULE = BDB PACKAGE = BDB::Db	2199	MODULE = BDB PACKAGE = BDB::Db
1680		2200
1681	void	2201	void
1682	DESTROY (DB_ornull *db)	2202	DESTROY (DB_ornuked *db)
1683	CODE:	2203	CODE:
1684	if (db)	2204	if (db)
1685	{	2205	{
1686	SV *env = (SV *)db->app_private;	2206	SV *env = (SV *)db->app_private;
1687	db->close (db, 0);	2207	db->close (db, 0);
…		…
1692	CODE:	2212	CODE:
1693	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2213	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1694	OUTPUT:	2214	OUTPUT:
1695	RETVAL	2215	RETVAL
1696		2216
1697	int set_flags (DB *db, U32 flags);	2217	int set_flags (DB *db, U32 flags)
1698	CODE:	2218	CODE:
1699	RETVAL = db->set_flags (db, flags);	2219	RETVAL = db->set_flags (db, flags);
1700	OUTPUT:	2220	OUTPUT:
1701	RETVAL	2221	RETVAL
1702		2222
…		…
1716	CODE:	2236	CODE:
1717	RETVAL = db->set_bt_minkey (db, minkey);	2237	RETVAL = db->set_bt_minkey (db, minkey);
1718	OUTPUT:	2238	OUTPUT:
1719	RETVAL	2239	RETVAL
1720		2240
1721	int set_re_delim(DB *db, int delim);	2241	int set_re_delim (DB *db, int delim)
1722	CODE:	2242	CODE:
1723	RETVAL = db->set_re_delim (db, delim);	2243	RETVAL = db->set_re_delim (db, delim);
1724	OUTPUT:	2244	OUTPUT:
1725	RETVAL	2245	RETVAL
1726		2246
…		…
1767	if (errno)	2287	if (errno)
1768	croak ("DB->cursor: %s", db_strerror (errno));	2288	croak ("DB->cursor: %s", db_strerror (errno));
1769	OUTPUT:	2289	OUTPUT:
1770	RETVAL	2290	RETVAL
1771		2291
		2292	#if DB_VERSION_MINOR >= 3
		2293
1772	DB_SEQUENCE *	2294	DB_SEQUENCE *
1773	sequence (DB *db, U32 flags = 0)	2295	sequence (DB *db, U32 flags = 0)
1774	CODE:	2296	CODE:
1775	{	2297	{
1776	errno = db_sequence_create (&RETVAL, db, flags);	2298	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1778	croak ("db_sequence_create: %s", db_strerror (errno));	2300	croak ("db_sequence_create: %s", db_strerror (errno));
1779	}	2301	}
1780	OUTPUT:	2302	OUTPUT:
1781	RETVAL	2303	RETVAL
1782		2304
		2305	#endif
		2306
1783		2307
1784	MODULE = BDB PACKAGE = BDB::Txn	2308	MODULE = BDB PACKAGE = BDB::Txn
1785		2309
1786	void	2310	void
1787	DESTROY (DB_TXN_ornull *txn)	2311	DESTROY (DB_TXN_ornuked *txn)
1788	CODE:	2312	CODE:
1789	if (txn)	2313	if (txn)
1790	txn->abort (txn);	2314	txn->abort (txn);
1791		2315
1792	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2316	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1793	CODE:	2317	CODE:
1794	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2318	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1795	OUTPUT:	2319	OUTPUT:
1796	RETVAL	2320	RETVAL
1797		2321
		2322	int failed (DB_TXN *txn)
		2323	CODE:
		2324	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2325	OUTPUT:
		2326	RETVAL
		2327
1798		2328
1799	MODULE = BDB PACKAGE = BDB::Cursor	2329	MODULE = BDB PACKAGE = BDB::Cursor
1800		2330
1801	void	2331	void
1802	DESTROY (DBC_ornull *dbc)	2332	DESTROY (DBC_ornuked *dbc)
1803	CODE:	2333	CODE:
1804	if (dbc)	2334	if (dbc)
1805	dbc->c_close (dbc);	2335	dbc->c_close (dbc);
1806		2336
		2337	#if DB_VERSION_MINOR >= 6
		2338
		2339	int set_priority (DBC *dbc, int priority)
		2340	CODE:
		2341	dbc->set_priority (dbc, priority);
		2342
		2343	#endif
		2344
		2345	#if DB_VERSION_MINOR >= 3
		2346
1807	MODULE = BDB PACKAGE = BDB::Sequence	2347	MODULE = BDB PACKAGE = BDB::Sequence
1808		2348
1809	void	2349	void
1810	DESTROY (DB_SEQUENCE_ornull *seq)	2350	DESTROY (DB_SEQUENCE_ornuked *seq)
1811	CODE:	2351	CODE:
1812	if (seq)	2352	if (seq)
1813	seq->close (seq, 0);	2353	seq->close (seq, 0);
1814		2354
1815	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2355	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1834	CODE:	2374	CODE:
1835	RETVAL = seq->set_range (seq, min, max);	2375	RETVAL = seq->set_range (seq, min, max);
1836	OUTPUT:	2376	OUTPUT:
1837	RETVAL	2377	RETVAL
1838		2378
		2379	#endif
		2380
		2381

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