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Comparing BDB/BDB.xs (file contents):
Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC vs.
Revision 1.47 by root, Fri Jul 18 22:39:10 2008 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
		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
		17
9	#include <stddef.h>	18	#include <stddef.h>
10	#include <stdlib.h>	19	#include <stdlib.h>
11	#include <errno.h>	20	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	21	#include <sys/types.h>
14	#include <limits.h>	22	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	23	#include <fcntl.h>
17		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
18	#include <db.h>	30	#include <db.h>
19		31
20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	32	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
21	# error you need Berkeley DB 4.5 or newer installed	33	# error you need Berkeley DB 4.3 or a newer 4.x version installed
22	#endif	34	#endif
23		35
24	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
26		38
27	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
28	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	42	typedef DB DB_ornull;
		43
		44	typedef DB_ENV DB_ENV_ornuked;
		45	typedef DB_TXN DB_TXN_ornuked;
		46	typedef DBC DBC_ornuked;
		47	typedef DB DB_ornuked;
		48
		49	#if DB_VERSION_MINOR >= 3
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	50	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		51	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		52	#endif
32		53
33	typedef SV SV8; /* byte-sv, used for argument-checking */	54	typedef SV SV8; /* byte-sv, used for argument-checking */
34	typedef char *octetstring;	55	typedef char *bdb_filename;
35		56
36	static SV *prepare_cb;	57	static SV *prepare_cb;
37		58
		59	#if DB_VERSION_MINOR >= 6
		60	# define c_close close
		61	# define c_count count
		62	# define c_del del
		63	# define c_dup dup
		64	# define c_get get
		65	# define c_pget pget
		66	# define c_put put
		67	#endif
		68
38	static inline char *	69	static char *
		70	get_bdb_filename (SV *sv)
		71	{
		72	if (!SvOK (sv))
		73	return 0;
		74
		75	#if _WIN32
		76	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		77	{
		78	STRLEN len;
		79	char *src = SvPVbyte (sv, len);
		80	SV *t1 = sv_newmortal ();
		81	SV *t2 = sv_newmortal ();
		82
		83	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		84	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		85
		86	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		87	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		88	SvPOK_only (t2);
		89	SvPVX (t2)[len] = 0;
		90	SvCUR_set (t2, len);
		91
		92	return SvPVX (t2);
		93	}
		94	#else
		95	return SvPVbyte_nolen (sv);
		96	#endif
		97	}
		98
		99	static void
		100	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		101	{
		102	printf ("err[%s]\n", msg);
		103	}
		104
		105	static void
		106	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		107	{
		108	printf ("msg[%s]\n", msg);
		109	}
		110
		111	static char *
39	strdup_ornull (const char *s)	112	strdup_ornull (const char *s)
40	{	113	{
41	return s ? strdup (s) : 0;	114	return s ? strdup (s) : 0;
42	}	115	}
43		116
44	static inline void	117	static void
45	sv_to_dbt (DBT *dbt, SV *sv)	118	sv_to_dbt (DBT *dbt, SV *sv)
46	{	119	{
47	STRLEN len;	120	STRLEN len;
48	char *data = SvPVbyte (sv, len);	121	char *data = SvPVbyte (sv, len);
49		122
…		…
51	memcpy (dbt->data, data, len);	124	memcpy (dbt->data, data, len);
52	dbt->size = len;	125	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	126	dbt->flags = DB_DBT_REALLOC;
54	}	127	}
55		128
56	static inline void	129	static void
57	dbt_to_sv (SV *sv, DBT *dbt)	130	dbt_to_sv (SV *sv, DBT *dbt)
58	{	131	{
59	if (sv)	132	if (sv)
60	{	133	{
61	SvREADONLY_off (sv);	134	SvREADONLY_off (sv);
…		…
67	}	140	}
68		141
69	enum {	142	enum {
70	REQ_QUIT,	143	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	144	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	145	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
73	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	146	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
74	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	147	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75	REQ_TXN_COMMIT, REQ_TXN_ABORT,	148	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
76	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	149	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
77	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	150	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	151	};
79		152
80	typedef struct aio_cb	153	typedef struct bdb_cb
81	{	154	{
82	struct aio_cb *volatile next;	155	struct bdb_cb *volatile next;
83	SV *callback;	156	SV *callback;
84	int type, pri, result;	157	int type, pri, result;
85		158
86	DB_ENV *env;	159	DB_ENV *env;
87	DB *db;	160	DB *db;
…		…
89	DBC *dbc;	162	DBC *dbc;
90		163
91	UV uv1;	164	UV uv1;
92	int int1, int2;	165	int int1, int2;
93	U32 uint1, uint2;	166	U32 uint1, uint2;
94	char *buf1, *buf2;	167	char *buf1, *buf2, *buf3;
95	SV *sv1, *sv2, *sv3;	168	SV *sv1, *sv2, *sv3;
96		169
97	DBT dbt1, dbt2, dbt3;	170	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	171	DB_KEY_RANGE key_range;
		172	#if DB_VERSION_MINOR >= 3
99	DB_SEQUENCE *seq;	173	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	174	db_seq_t seq_t;
101	} aio_cb;	175	#endif
		176	} bdb_cb;
102		177
103	typedef aio_cb *aio_req;	178	typedef bdb_cb *bdb_req;
104		179
105	enum {	180	enum {
106	PRI_MIN = -4,	181	PRI_MIN = -4,
107	PRI_MAX = 4,	182	PRI_MAX = 4,
108		183
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	186	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	187	};
113		188
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	189	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		190
		191	static SV *on_next_submit;
		192
116	static unsigned int max_poll_time = 0;	193	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	194	static unsigned int max_poll_reqs = 0;
118		195
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	196	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	197	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
135	struct worker *prev, *next;	212	struct worker *prev, *next;
136		213
137	thread_t tid;	214	thread_t tid;
138		215
139	/* locked by reslock, reqlock or wrklock */	216	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	217	bdb_req req; /* currently processed request */
141	void *dbuf;	218	void *dbuf;
142	DIR *dirp;	219	DIR *dirp;
143	} worker;	220	} worker;
144		221
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	222	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	234	}
158		235
159	static volatile unsigned int nreqs, nready, npending;	236	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	237	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	238	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	239	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		240
164	static mutex_t reslock = X_MUTEX_INIT;	241	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = X_MUTEX_INIT;	242	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = X_COND_INIT;	243	static cond_t reqwait = X_COND_INIT;
167		244
168	#if WORDACCESS_UNSAFE	245	#if WORDACCESS_UNSAFE
169		246
170	static unsigned int get_nready ()	247	static unsigned int get_nready (void)
171	{	248	{
172	unsigned int retval;	249	unsigned int retval;
173		250
174	X_LOCK (reqlock);	251	X_LOCK (reqlock);
175	retval = nready;	252	retval = nready;
176	X_UNLOCK (reqlock);	253	X_UNLOCK (reqlock);
177		254
178	return retval;	255	return retval;
179	}	256	}
180		257
181	static unsigned int get_npending ()	258	static unsigned int get_npending (void)
182	{	259	{
183	unsigned int retval;	260	unsigned int retval;
184		261
185	X_LOCK (reslock);	262	X_LOCK (reslock);
186	retval = npending;	263	retval = npending;
187	X_UNLOCK (reslock);	264	X_UNLOCK (reslock);
188		265
189	return retval;	266	return retval;
190	}	267	}
191		268
192	static unsigned int get_nthreads ()	269	static unsigned int get_nthreads (void)
193	{	270	{
194	unsigned int retval;	271	unsigned int retval;
195		272
196	X_LOCK (wrklock);	273	X_LOCK (wrklock);
197	retval = started;	274	retval = started;
…		…
212	* a somewhat faster data structure might be nice, but	289	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	290	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	291	* per shift, the most expensive operation.
215	*/	292	*/
216	typedef struct {	293	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	294	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	295	int size;
219	} reqq;	296	} reqq;
220		297
221	static reqq req_queue;	298	static reqq req_queue;
222	static reqq res_queue;	299	static reqq res_queue;
223		300
224	int reqq_push (reqq *q, aio_req req)	301	int reqq_push (reqq *q, bdb_req req)
225	{	302	{
226	int pri = req->pri;	303	int pri = req->pri;
227	req->next = 0;	304	req->next = 0;
228		305
229	if (q->qe[pri])	306	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	312	q->qe[pri] = q->qs[pri] = req;
236		313
237	return q->size++;	314	return q->size++;
238	}	315	}
239		316
240	aio_req reqq_shift (reqq *q)	317	bdb_req reqq_shift (reqq *q)
241	{	318	{
242	int pri;	319	int pri;
243		320
244	if (!q->size)	321	if (!q->size)
245	return 0;	322	return 0;
246		323
247	--q->size;	324	--q->size;
248		325
249	for (pri = NUM_PRI; pri--; )	326	for (pri = NUM_PRI; pri--; )
250	{	327	{
251	aio_req req = q->qs[pri];	328	bdb_req req = q->qs[pri];
252		329
253	if (req)	330	if (req)
254	{	331	{
255	if (!(q->qs[pri] = req->next))	332	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	333	q->qe[pri] = 0;
…		…
260	}	337	}
261		338
262	abort ();	339	abort ();
263	}	340	}
264		341
265	static int poll_cb ();	342	static int poll_cb (void);
266	static void req_free (aio_req req);	343	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);	344	static void req_cancel (bdb_req req);
268		345
269	static int req_invoke (aio_req req)	346	static int req_invoke (bdb_req req)
270	{	347	{
271	dSP;	348	dSP;
272		349
273	if (SvOK (req->callback))	350	if (req->callback)
274	{	351	{
275	ENTER;	352	ENTER;
276	SAVETMPS;	353	SAVETMPS;
277	PUSHMARK (SP);	354	PUSHMARK (SP);
278		355
…		…
292	dbt_to_sv (req->sv1, &req->dbt1);	369	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);	370	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);	371	dbt_to_sv (req->sv3, &req->dbt3);
295	break;	372	break;
296		373
		374	case REQ_DB_PUT:
		375	case REQ_C_PUT:
		376	dbt_to_sv (0, &req->dbt1);
		377	dbt_to_sv (0, &req->dbt2);
		378	break;
		379
297	case REQ_DB_KEY_RANGE:	380	case REQ_DB_KEY_RANGE:
298	{	381	{
299	AV *av = newAV ();	382	AV *av = newAV ();
300		383
301	av_push (av, newSVnv (req->key_range.less));	384	av_push (av, newSVnv (req->key_range.less));
…		…
306	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	389	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
307	SvREFCNT_dec (req->sv1);	390	SvREFCNT_dec (req->sv1);
308	}	391	}
309	break;	392	break;
310		393
		394	#if DB_VERSION_MINOR >= 3
311	case REQ_SEQ_GET:	395	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);	396	SvREADONLY_off (req->sv1);
313		397
314	if (sizeof (IV) > 4)	398	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);	399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
316	else	400	else
317	sv_setnv_mg (req->sv1, req->seq_t);	401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
318		402
319	SvREFCNT_dec (req->sv1);	403	SvREFCNT_dec (req->sv1);
320	break;	404	break;
		405	#endif
321	}	406	}
322		407
323	errno = req->result;	408	errno = req->result;
324		409
325	PUTBACK;	410	PUTBACK;
…		…
331	}	416	}
332		417
333	return !SvTRUE (ERRSV);	418	return !SvTRUE (ERRSV);
334	}	419	}
335		420
336	static void req_free (aio_req req)	421	static void req_free (bdb_req req)
337	{	422	{
		423	SvREFCNT_dec (req->callback);
		424
338	free (req->buf1);	425	free (req->buf1);
339	free (req->buf2);	426	free (req->buf2);
		427	free (req->buf3);
		428
340	Safefree (req);	429	Safefree (req);
341	}	430	}
342		431
343	static void *aio_proc (void *arg);	432	#ifdef USE_SOCKETS_AS_HANDLES
		433	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		434	#else
		435	# define TO_SOCKET(x) (x)
		436	#endif
		437
		438	static void
		439	create_respipe (void)
		440	{
		441	#ifdef _WIN32
		442	int arg; /* argg */
		443	#endif
		444	int old_readfd = respipe [0];
		445
		446	if (respipe [1] >= 0)
		447	respipe_close (TO_SOCKET (respipe [1]));
		448
		449	#ifdef _WIN32
		450	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		451	#else
		452	if (pipe (respipe))
		453	#endif
		454	croak ("unable to initialize result pipe");
		455
		456	if (old_readfd >= 0)
		457	{
		458	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		459	croak ("unable to initialize result pipe(2)");
		460
		461	respipe_close (respipe [0]);
		462	respipe [0] = old_readfd;
		463	}
		464
		465	#ifdef _WIN32
		466	arg = 1;
		467	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		468	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		469	#else
		470	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		471	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		472	#endif
		473	croak ("unable to initialize result pipe(3)");
		474
		475	respipe_osf [0] = TO_SOCKET (respipe [0]);
		476	respipe_osf [1] = TO_SOCKET (respipe [1]);
		477	}
		478
		479	X_THREAD_PROC (bdb_proc);
344		480
345	static void start_thread (void)	481	static void start_thread (void)
346	{	482	{
347	worker *wrk = calloc (1, sizeof (worker));	483	worker *wrk = calloc (1, sizeof (worker));
348		484
349	if (!wrk)	485	if (!wrk)
350	croak ("unable to allocate worker thread data");	486	croak ("unable to allocate worker thread data");
351		487
352	X_LOCK (wrklock);	488	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	489	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	490	{
355	wrk->prev = &wrk_first;	491	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	492	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	493	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	494	wrk_first.next = wrk;
…		…
362	free (wrk);	498	free (wrk);
363		499
364	X_UNLOCK (wrklock);	500	X_UNLOCK (wrklock);
365	}	501	}
366		502
367	static void maybe_start_thread ()	503	static void maybe_start_thread (void)
368	{	504	{
369	if (get_nthreads () >= wanted)	505	if (get_nthreads () >= wanted)
370	return;	506	return;
371		507
372	/* todo: maybe use idle here, but might be less exact */	508	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	510	return;
375		511
376	start_thread ();	512	start_thread ();
377	}	513	}
378		514
379	static void req_send (aio_req req)	515	static void req_send (bdb_req req)
380	{	516	{
381	SV *wait_callback = 0;	517	SV *wait_callback = 0;
382		518
		519	if (on_next_submit)
		520	{
		521	dSP;
		522	SV *cb = sv_2mortal (on_next_submit);
		523
		524	on_next_submit = 0;
		525
		526	PUSHMARK (SP);
		527	PUTBACK;
		528	call_sv (cb, G_DISCARD | G_EVAL);
		529	}
		530
383	// synthesize callback if none given	531	// synthesize callback if none given
384	if (!SvOK (req->callback))	532	if (!req->callback)
385	{	533	{
		534	int count;
		535
386	dSP;	536	dSP;
387	PUSHMARK (SP);	537	PUSHMARK (SP);
388	PUTBACK;	538	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	539	count = call_sv (prepare_cb, G_ARRAY);
390	SPAGAIN;	540	SPAGAIN;
391		541
392	if (count != 2)	542	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");	543	croak ("prepare callback must return exactly two values\n");
394		544
395	wait_callback = SvREFCNT_inc (POPs);	545	wait_callback = POPs;
396	SvREFCNT_dec (req->callback);	546	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);	547	req->callback = SvREFCNT_inc (POPs);
398	}	548	}
399		549
400	++nreqs;	550	++nreqs;
…		…
411	{	561	{
412	dSP;	562	dSP;
413	PUSHMARK (SP);	563	PUSHMARK (SP);
414	PUTBACK;	564	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	565	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	566	}
418	}	567	}
419		568
420	static void end_thread (void)	569	static void end_thread (void)
421	{	570	{
422	aio_req req;	571	bdb_req req;
423		572
424	Newz (0, req, 1, aio_cb);	573	Newz (0, req, 1, bdb_cb);
425		574
426	req->type = REQ_QUIT;	575	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	576	req->pri = PRI_MAX + PRI_BIAS;
428		577
429	X_LOCK (reqlock);	578	X_LOCK (reqlock);
…		…
456		605
457	while (started > wanted)	606	while (started > wanted)
458	end_thread ();	607	end_thread ();
459	}	608	}
460		609
461	static void poll_wait ()	610	static void poll_wait (void)
462	{	611	{
463	fd_set rfd;	612	fd_set rfd;
464		613
465	while (nreqs)	614	while (nreqs)
466	{	615	{
…		…
472	if (size)	621	if (size)
473	return;	622	return;
474		623
475	maybe_start_thread ();	624	maybe_start_thread ();
476		625
477	FD_ZERO(&rfd);	626	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	627	FD_SET (respipe [0], &rfd);
479		628
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	629	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	630	}
482	}	631	}
483		632
484	static int poll_cb ()	633	static int poll_cb (void)
485	{	634	{
486	dSP;	635	dSP;
487	int count = 0;	636	int count = 0;
488	int maxreqs = max_poll_reqs;	637	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	638	int do_croak = 0;
490	struct timeval tv_start, tv_now;	639	struct timeval tv_start, tv_now;
491	aio_req req;	640	bdb_req req;
492		641
493	if (max_poll_time)	642	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	643	gettimeofday (&tv_start, 0);
495		644
496	for (;;)	645	for (;;)
…		…
508		657
509	if (!res_queue.size)	658	if (!res_queue.size)
510	{	659	{
511	/* read any signals sent by the worker threads */	660	/* read any signals sent by the worker threads */
512	char buf [4];	661	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	662	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	663	;
515	}	664	}
516	}	665	}
517		666
518	X_UNLOCK (reslock);	667	X_UNLOCK (reslock);
…		…
555	return count;	704	return count;
556	}	705	}
557		706
558	/*****************************************************************************/	707	/*****************************************************************************/
559		708
560	static void *aio_proc (void *thr_arg)	709	X_THREAD_PROC (bdb_proc)
561	{	710	{
562	aio_req req;	711	bdb_req req;
563	struct timespec ts;	712	struct timespec ts;
564	worker *self = (worker *)thr_arg;	713	worker *self = (worker *)thr_arg;
565		714
566	/* try to distribute timeouts somewhat evenly */	715	/* try to distribute timeouts somewhat evenly */
567	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	716	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
568	* (1000000000UL / 1024UL);
569		717
570	for (;;)	718	for (;;)
571	{	719	{
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	720	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573		721
…		…
608	X_UNLOCK (reqlock);	756	X_UNLOCK (reqlock);
609		757
610	switch (req->type)	758	switch (req->type)
611	{	759	{
612	case REQ_QUIT:	760	case REQ_QUIT:
		761	req->result = ENOSYS;
613	goto quit;	762	goto quit;
614		763
615	case REQ_ENV_OPEN:	764	case REQ_ENV_OPEN:
616	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	765	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
617	break;	766	break;
…		…
634		783
635	case REQ_ENV_MEMP_TRICKLE:	784	case REQ_ENV_MEMP_TRICKLE:
636	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	785	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
637	break;	786	break;
638		787
		788	case REQ_ENV_DBREMOVE:
		789	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		790	break;
		791
		792	case REQ_ENV_DBRENAME:
		793	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		794	break;
		795
639	case REQ_DB_OPEN:	796	case REQ_DB_OPEN:
640	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	797	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
641	break;	798	break;
642		799
643	case REQ_DB_CLOSE:	800	case REQ_DB_CLOSE:
644	req->result = req->db->close (req->db, req->uint1);	801	req->result = req->db->close (req->db, req->uint1);
645	break;	802	break;
646		803
		804	#if DB_VERSION_MINOR >= 4
647	case REQ_DB_COMPACT:	805	case REQ_DB_COMPACT:
648	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	806	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
649	break;	807	break;
		808	#endif
650		809
651	case REQ_DB_SYNC:	810	case REQ_DB_SYNC:
652	req->result = req->db->sync (req->db, req->uint1);	811	req->result = req->db->sync (req->db, req->uint1);
653	break;	812	break;
654		813
		814	case REQ_DB_UPGRADE:
		815	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		816	break;
		817
655	case REQ_DB_PUT:	818	case REQ_DB_PUT:
656	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	819	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
657	break;	820	break;
658		821
		822	#if DB_VERSION_MINOR >= 6
		823	case REQ_DB_EXISTS:
		824	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		825	break;
		826	#endif
659	case REQ_DB_GET:	827	case REQ_DB_GET:
660	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	828	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
661	break;	829	break;
662		830
663	case REQ_DB_PGET:	831	case REQ_DB_PGET:
…		…
676	req->result = req->txn->commit (req->txn, req->uint1);	844	req->result = req->txn->commit (req->txn, req->uint1);
677	break;	845	break;
678		846
679	case REQ_TXN_ABORT:	847	case REQ_TXN_ABORT:
680	req->result = req->txn->abort (req->txn);	848	req->result = req->txn->abort (req->txn);
		849	break;
		850
		851	case REQ_TXN_FINISH:
		852	if (req->txn->flags & TXN_DEADLOCK)
		853	{
		854	req->result = req->txn->abort (req->txn);
		855	if (!req->result)
		856	req->result = DB_LOCK_DEADLOCK;
		857	}
		858	else
		859	req->result = req->txn->commit (req->txn, req->uint1);
681	break;	860	break;
682		861
683	case REQ_C_CLOSE:	862	case REQ_C_CLOSE:
684	req->result = req->dbc->c_close (req->dbc);	863	req->result = req->dbc->c_close (req->dbc);
685	break;	864	break;
…		…
706		885
707	case REQ_C_DEL:	886	case REQ_C_DEL:
708	req->result = req->dbc->c_del (req->dbc, req->uint1);	887	req->result = req->dbc->c_del (req->dbc, req->uint1);
709	break;	888	break;
710		889
		890	#if DB_VERSION_MINOR >= 3
711	case REQ_SEQ_OPEN:	891	case REQ_SEQ_OPEN:
712	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);	892	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
713	break;	893	break;
714		894
715	case REQ_SEQ_CLOSE:	895	case REQ_SEQ_CLOSE:
…		…
721	break;	901	break;
722		902
723	case REQ_SEQ_REMOVE:	903	case REQ_SEQ_REMOVE:
724	req->result = req->seq->remove (req->seq, req->txn, req->uint1);	904	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
725	break;	905	break;
		906	#endif
726		907
727	default:	908	default:
728	req->result = ENOSYS;	909	req->result = ENOSYS;
729	break;	910	break;
730	}	911	}
731		912
		913	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		914	req->txn->flags |= TXN_DEADLOCK;
		915
732	X_LOCK (reslock);	916	X_LOCK (reslock);
733		917
734	++npending;	918	++npending;
735		919
736	if (!reqq_push (&res_queue, req))	920	if (!reqq_push (&res_queue, req))
737	/* write a dummy byte to the pipe so fh becomes ready */	921	/* write a dummy byte to the pipe so fh becomes ready */
738	write (respipe [1], &respipe, 1);	922	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
739		923
740	self->req = 0;	924	self->req = 0;
741	worker_clear (self);	925	worker_clear (self);
742		926
743	X_UNLOCK (reslock);	927	X_UNLOCK (reslock);
…		…
767	X_UNLOCK (wrklock);	951	X_UNLOCK (wrklock);
768	}	952	}
769		953
770	static void atfork_child (void)	954	static void atfork_child (void)
771	{	955	{
772	aio_req prv;	956	bdb_req prv;
773		957
774	while (prv = reqq_shift (&req_queue))	958	while (prv = reqq_shift (&req_queue))
775	req_free (prv);	959	req_free (prv);
776		960
777	while (prv = reqq_shift (&res_queue))	961	while (prv = reqq_shift (&res_queue))
…		…
792	idle = 0;	976	idle = 0;
793	nreqs = 0;	977	nreqs = 0;
794	nready = 0;	978	nready = 0;
795	npending = 0;	979	npending = 0;
796		980
797	close (respipe [0]);	981	create_respipe ();
798	close (respipe [1]);
799
800	if (!create_pipe (respipe))
801	croak ("unable to initialize result pipe");
802		982
803	atfork_parent ();	983	atfork_parent ();
804	}	984	}
805		985
806	#define dREQ(reqtype) \	986	#define dREQ(reqtype) \
807	aio_req req; \	987	bdb_req req; \
808	int req_pri = next_pri; \	988	int req_pri = next_pri; \
809	next_pri = DEFAULT_PRI + PRI_BIAS; \	989	next_pri = DEFAULT_PRI + PRI_BIAS; \
810	\	990	\
811	if (SvOK (callback) && !SvROK (callback)) \	991	if (callback && SvOK (callback)) \
812	croak ("callback must be undef or of reference type"); \	992	croak ("callback has illegal type or extra arguments"); \
813	\	993	\
814	Newz (0, req, 1, aio_cb); \	994	Newz (0, req, 1, bdb_cb); \
815	if (!req) \	995	if (!req) \
816	croak ("out of memory during aio_req allocation"); \	996	croak ("out of memory during bdb_req allocation"); \
817	\	997	\
818	req->callback = newSVsv (callback); \	998	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
819	req->type = (reqtype); \	999	req->type = (reqtype); \
820	req->pri = req_pri	1000	req->pri = req_pri
821		1001
822	#define REQ_SEND \	1002	#define REQ_SEND \
823	req_send (req)	1003	req_send (req)
824		1004
825	#define SvPTR(var, arg, type, class, nullok) \	1005	#define SvPTR(var, arg, type, class, nullok) \
826	if (!SvOK (arg)) \	1006	if (!SvOK (arg)) \
827	{ \	1007	{ \
828	if (!nullok) \	1008	if (nullok != 1) \
829	croak (# var " must be a " # class " object, not undef"); \	1009	croak (# var " must be a " # class " object, not undef"); \
830	\	1010	\
831	(var) = 0; \	1011	(var) = 0; \
832	} \	1012	} \
833	else if (sv_derived_from ((arg), # class)) \	1013	else if (sv_derived_from ((arg), # class)) \
834	{ \	1014	{ \
835	IV tmp = SvIV ((SV*) SvRV (arg)); \	1015	IV tmp = SvIV ((SV*) SvRV (arg)); \
836	(var) = INT2PTR (type, tmp); \	1016	(var) = INT2PTR (type, tmp); \
837	if (!var) \	1017	if (!var && nullok != 2) \
838	croak (# var " is not a valid " # class " object anymore"); \	1018	croak (# var " is not a valid " # class " object anymore"); \
839	} \	1019	} \
840	else \	1020	else \
841	croak (# var " is not of type " # class); \	1021	croak (# var " is not of type " # class);
842	\
843		1022
844	static void	1023	static void
845	ptr_nuke (SV *sv)	1024	ptr_nuke (SV *sv)
846	{	1025	{
847	assert (SvROK (sv));	1026	assert (SvROK (sv));
848	sv_setiv (SvRV (sv), 0);	1027	sv_setiv (SvRV (sv), 0);
849	}	1028	}
		1029
		1030	static int
		1031	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1032	{
		1033	if (*mg->mg_ptr == '!') // should always be the case
		1034	if (-30999 <= errno && errno <= -30800)
		1035	{
		1036	sv_setnv (sv, (NV)errno);
		1037	sv_setpv (sv, db_strerror (errno));
		1038	SvNOK_on (sv); /* what a wonderful hack! */
		1039	// ^^^ copied from perl sources
		1040	return 0;
		1041	}
		1042
		1043	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1044	}
		1045
		1046	static MGVTBL vtbl_errno;
		1047
		1048	// this wonderful hack :( patches perl's $! variable to support our errno values
		1049	static void
		1050	patch_errno (void)
		1051	{
		1052	SV *sv;
		1053	MAGIC *mg;
		1054
		1055	if (!(sv = get_sv ("!", 1)))
		1056	return;
		1057
		1058	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1059	return;
		1060
		1061	if (mg->mg_virtual != &PL_vtbl_sv)
		1062	return;
		1063
		1064	vtbl_errno = PL_vtbl_sv;
		1065	vtbl_errno.svt_get = errno_get;
		1066	mg->mg_virtual = &vtbl_errno;
		1067	}
		1068
		1069	#if __GNUC__ >= 4
		1070	# define noinline __attribute__ ((noinline))
		1071	#else
		1072	# define noinline
		1073	#endif
		1074
		1075	static noinline SV *
		1076	pop_callback (I32 *ritems, SV *sv)
		1077	{
		1078	if (SvROK (sv))
		1079	{
		1080	HV *st;
		1081	GV *gvp;
		1082	CV *cv;
		1083	const char *name;
		1084
		1085	/* forgive me */
		1086	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1087	&& (st = SvSTASH (SvRV (sv)))
		1088	&& (name = HvNAME_get (st))
		1089	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1090	return 0;
		1091
		1092	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1093	{
		1094	--*ritems;
		1095	return (SV *)cv;
		1096	}
		1097	}
		1098
		1099	return 0;
		1100	}
		1101
		1102	/* stupid windoes defined CALLBACK as well */
		1103	#undef CALLBACK
		1104	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
850		1105
851	MODULE = BDB PACKAGE = BDB	1106	MODULE = BDB PACKAGE = BDB
852		1107
853	PROTOTYPES: ENABLE	1108	PROTOTYPES: ENABLE
854		1109
…		…
870	const_iv (INIT_TXN)	1125	const_iv (INIT_TXN)
871	const_iv (RECOVER)	1126	const_iv (RECOVER)
872	const_iv (INIT_TXN)	1127	const_iv (INIT_TXN)
873	const_iv (RECOVER_FATAL)	1128	const_iv (RECOVER_FATAL)
874	const_iv (CREATE)	1129	const_iv (CREATE)
		1130	const_iv (RDONLY)
875	const_iv (USE_ENVIRON)	1131	const_iv (USE_ENVIRON)
876	const_iv (USE_ENVIRON_ROOT)	1132	const_iv (USE_ENVIRON_ROOT)
877	const_iv (LOCKDOWN)	1133	const_iv (LOCKDOWN)
878	const_iv (PRIVATE)	1134	const_iv (PRIVATE)
879	const_iv (REGISTER)
880	const_iv (SYSTEM_MEM)	1135	const_iv (SYSTEM_MEM)
881	const_iv (AUTO_COMMIT)	1136	const_iv (AUTO_COMMIT)
882	const_iv (CDB_ALLDB)	1137	const_iv (CDB_ALLDB)
883	const_iv (DIRECT_DB)	1138	const_iv (DIRECT_DB)
884	const_iv (DIRECT_LOG)
885	const_iv (DSYNC_DB)
886	const_iv (DSYNC_LOG)
887	const_iv (LOG_AUTOREMOVE)
888	const_iv (LOG_INMEMORY)
889	const_iv (NOLOCKING)	1139	const_iv (NOLOCKING)
890	const_iv (MULTIVERSION)
891	const_iv (NOMMAP)	1140	const_iv (NOMMAP)
892	const_iv (NOPANIC)	1141	const_iv (NOPANIC)
893	const_iv (OVERWRITE)	1142	const_iv (OVERWRITE)
894	const_iv (PANIC_ENVIRONMENT)	1143	const_iv (PANIC_ENVIRONMENT)
895	const_iv (REGION_INIT)	1144	const_iv (REGION_INIT)
896	const_iv (TIME_NOTGRANTED)	1145	const_iv (TIME_NOTGRANTED)
897	const_iv (TXN_NOSYNC)	1146	const_iv (TXN_NOSYNC)
898	const_iv (TXN_SNAPSHOT)	1147	const_iv (TXN_NOT_DURABLE)
899	const_iv (TXN_WRITE_NOSYNC)	1148	const_iv (TXN_WRITE_NOSYNC)
900	const_iv (WRITECURSOR)	1149	const_iv (WRITECURSOR)
901	const_iv (YIELDCPU)	1150	const_iv (YIELDCPU)
902	const_iv (ENCRYPT_AES)	1151	const_iv (ENCRYPT_AES)
903	const_iv (XA_CREATE)	1152	const_iv (XA_CREATE)
…		…
905	const_iv (HASH)	1154	const_iv (HASH)
906	const_iv (QUEUE)	1155	const_iv (QUEUE)
907	const_iv (RECNO)	1156	const_iv (RECNO)
908	const_iv (UNKNOWN)	1157	const_iv (UNKNOWN)
909	const_iv (EXCL)	1158	const_iv (EXCL)
910	const_iv (READ_COMMITTED)
911	const_iv (READ_UNCOMMITTED)
912	const_iv (TRUNCATE)	1159	const_iv (TRUNCATE)
913	const_iv (NOSYNC)	1160	const_iv (NOSYNC)
914	const_iv (CHKSUM)	1161	const_iv (CHKSUM)
915	const_iv (ENCRYPT)	1162	const_iv (ENCRYPT)
916	const_iv (TXN_NOT_DURABLE)
917	const_iv (DUP)	1163	const_iv (DUP)
918	const_iv (DUPSORT)	1164	const_iv (DUPSORT)
919	const_iv (RECNUM)	1165	const_iv (RECNUM)
920	const_iv (RENUMBER)	1166	const_iv (RENUMBER)
921	const_iv (REVSPLITOFF)	1167	const_iv (REVSPLITOFF)
922	const_iv (INORDER)
923	const_iv (CONSUME)	1168	const_iv (CONSUME)
924	const_iv (CONSUME_WAIT)	1169	const_iv (CONSUME_WAIT)
925	const_iv (GET_BOTH)	1170	const_iv (GET_BOTH)
926	const_iv (GET_BOTH_RANGE)	1171	const_iv (GET_BOTH_RANGE)
927	//const_iv (SET_RECNO)	1172	//const_iv (SET_RECNO)
928	//const_iv (MULTIPLE)	1173	//const_iv (MULTIPLE)
929	const_iv (SNAPSHOT)	1174	const_iv (SNAPSHOT)
930	const_iv (JOIN_ITEM)	1175	const_iv (JOIN_ITEM)
		1176	const_iv (JOIN_NOSORT)
931	const_iv (RMW)	1177	const_iv (RMW)
932		1178
933	const_iv (NOTFOUND)	1179	const_iv (NOTFOUND)
934	const_iv (KEYEMPTY)	1180	const_iv (KEYEMPTY)
935	const_iv (LOCK_DEADLOCK)	1181	const_iv (LOCK_DEADLOCK)
936	const_iv (LOCK_NOTGRANTED)	1182	const_iv (LOCK_NOTGRANTED)
937	const_iv (RUNRECOVERY)	1183	const_iv (RUNRECOVERY)
938	const_iv (OLD_VERSION)	1184	const_iv (OLD_VERSION)
939	const_iv (REP_HANDLE_DEAD)	1185	const_iv (REP_HANDLE_DEAD)
940	const_iv (REP_LOCKOUT)
941	const_iv (SECONDARY_BAD)	1186	const_iv (SECONDARY_BAD)
942
943	const_iv (FREE_SPACE)
944	const_iv (FREELIST_ONLY)
945		1187
946	const_iv (APPEND)	1188	const_iv (APPEND)
947	const_iv (NODUPDATA)	1189	const_iv (NODUPDATA)
948	const_iv (NOOVERWRITE)	1190	const_iv (NOOVERWRITE)
949		1191
950	const_iv (TXN_NOWAIT)	1192	const_iv (TXN_NOWAIT)
951	const_iv (TXN_SNAPSHOT)
952	const_iv (TXN_SYNC)	1193	const_iv (TXN_SYNC)
953		1194
954	const_iv (SET_LOCK_TIMEOUT)	1195	const_iv (SET_LOCK_TIMEOUT)
955	const_iv (SET_TXN_TIMEOUT)	1196	const_iv (SET_TXN_TIMEOUT)
956		1197
957	const_iv (JOIN_ITEM)
958	const_iv (FIRST)	1198	const_iv (FIRST)
959	const_iv (NEXT)	1199	const_iv (NEXT)
960	const_iv (NEXT_DUP)	1200	const_iv (NEXT_DUP)
961	const_iv (NEXT_NODUP)	1201	const_iv (NEXT_NODUP)
962	const_iv (PREV)	1202	const_iv (PREV)
…		…
974	const_iv (FORCE)	1214	const_iv (FORCE)
975		1215
976	const_iv (LOCK_DEFAULT)	1216	const_iv (LOCK_DEFAULT)
977	const_iv (LOCK_EXPIRE)	1217	const_iv (LOCK_EXPIRE)
978	const_iv (LOCK_MAXLOCKS)	1218	const_iv (LOCK_MAXLOCKS)
979	const_iv (LOCK_MAXWRITE)
980	const_iv (LOCK_MINLOCKS)	1219	const_iv (LOCK_MINLOCKS)
981	const_iv (LOCK_MINWRITE)	1220	const_iv (LOCK_MINWRITE)
982	const_iv (LOCK_OLDEST)	1221	const_iv (LOCK_OLDEST)
983	const_iv (LOCK_RANDOM)	1222	const_iv (LOCK_RANDOM)
984	const_iv (LOCK_YOUNGEST)	1223	const_iv (LOCK_YOUNGEST)
985		1224
		1225	const_iv (DONOTINDEX)
		1226	const_iv (KEYEMPTY )
		1227	const_iv (KEYEXIST )
		1228	const_iv (LOCK_DEADLOCK)
		1229	const_iv (LOCK_NOTGRANTED)
		1230	const_iv (NOSERVER)
		1231	const_iv (NOSERVER_HOME)
		1232	const_iv (NOSERVER_ID)
		1233	const_iv (NOTFOUND)
		1234	const_iv (PAGE_NOTFOUND)
		1235	const_iv (REP_DUPMASTER)
		1236	const_iv (REP_HANDLE_DEAD)
		1237	const_iv (REP_HOLDELECTION)
		1238	const_iv (REP_ISPERM)
		1239	const_iv (REP_NEWMASTER)
		1240	const_iv (REP_NEWSITE)
		1241	const_iv (REP_NOTPERM)
		1242	const_iv (REP_UNAVAIL)
		1243	const_iv (RUNRECOVERY)
		1244	const_iv (SECONDARY_BAD)
		1245	const_iv (VERIFY_BAD)
		1246
		1247	const_iv (VERB_DEADLOCK)
		1248	const_iv (VERB_RECOVERY)
		1249	const_iv (VERB_REPLICATION)
		1250	const_iv (VERB_WAITSFOR)
		1251
		1252	const_iv (VERSION_MAJOR)
		1253	const_iv (VERSION_MINOR)
		1254	const_iv (VERSION_PATCH)
		1255	#if DB_VERSION_MINOR >= 3
		1256	const_iv (INORDER)
		1257	const_iv (LOCK_MAXWRITE)
986	const_iv (SEQ_DEC)	1258	const_iv (SEQ_DEC)
987	const_iv (SEQ_INC)	1259	const_iv (SEQ_INC)
988	const_iv (SEQ_WRAP)	1260	const_iv (SEQ_WRAP)
		1261	const_iv (BUFFER_SMALL)
		1262	const_iv (LOG_BUFFER_FULL)
		1263	const_iv (VERSION_MISMATCH)
		1264	#endif
		1265	#if DB_VERSION_MINOR >= 4
		1266	const_iv (REGISTER)
		1267	const_iv (DSYNC_DB)
		1268	const_iv (READ_COMMITTED)
		1269	const_iv (READ_UNCOMMITTED)
		1270	const_iv (REP_IGNORE)
		1271	const_iv (REP_LOCKOUT)
		1272	const_iv (REP_JOIN_FAILURE)
		1273	const_iv (FREE_SPACE)
		1274	const_iv (FREELIST_ONLY)
		1275	const_iv (VERB_REGISTER)
		1276	#endif
		1277	#if DB_VERSION_MINOR >= 5
		1278	const_iv (MULTIVERSION)
		1279	const_iv (TXN_SNAPSHOT)
		1280	#endif
		1281	#if DB_VERSION_MINOR >= 6
		1282	const_iv (PREV_DUP)
		1283	const_iv (PRIORITY_UNCHANGED)
		1284	const_iv (PRIORITY_VERY_LOW)
		1285	const_iv (PRIORITY_LOW)
		1286	const_iv (PRIORITY_DEFAULT)
		1287	const_iv (PRIORITY_HIGH)
		1288	const_iv (PRIORITY_VERY_HIGH)
		1289	#endif
		1290	#if DB_VERSION_MINOR >= 7
		1291	const_iv (LOG_DIRECT)
		1292	const_iv (LOG_DSYNC)
		1293	const_iv (LOG_AUTO_REMOVE)
		1294	const_iv (LOG_IN_MEMORY)
		1295	const_iv (LOG_ZERO)
		1296	#else
		1297	const_iv (DIRECT_LOG)
		1298	const_iv (LOG_AUTOREMOVE)
		1299	# if DB_VERSION_MINOR >= 3
		1300	const_iv (DSYNC_LOG)
		1301	const_iv (LOG_INMEMORY)
		1302	# endif
		1303	#endif
989	};	1304	};
990		1305
991	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1306	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
992	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1307	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
993		1308
		1309	{
		1310	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1311	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1312
		1313	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1314	}
		1315
		1316	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1317
994	if (!create_pipe (respipe))	1318	create_respipe ();
995	croak ("unable to initialize result pipe");
996		1319
997	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1320	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
998	#ifdef _WIN32	1321	patch_errno ();
999	X_MUTEX_CHECK (wrklock);
1000	X_MUTEX_CHECK (reslock);
1001	X_MUTEX_CHECK (reqlock);
1002
1003	X_COND_CHECK (reqwait);
1004	#endif
1005	}	1322	}
1006		1323
1007	void	1324	void
1008	max_poll_reqs (int nreqs)	1325	max_poll_reqs (int nreqs)
1009	PROTOTYPE: $	1326	PROTOTYPE: $
…		…
1141	PROTOTYPE: &	1458	PROTOTYPE: &
1142	CODE:	1459	CODE:
1143	SvREFCNT_dec (prepare_cb);	1460	SvREFCNT_dec (prepare_cb);
1144	prepare_cb = newSVsv (cb);	1461	prepare_cb = newSVsv (cb);
1145		1462
		1463	char *
		1464	strerror (int errorno = errno)
		1465	PROTOTYPE: ;$
		1466	CODE:
		1467	RETVAL = db_strerror (errorno);
		1468	OUTPUT:
		1469	RETVAL
		1470
		1471	void _on_next_submit (SV *cb)
		1472	CODE:
		1473	SvREFCNT_dec (on_next_submit);
		1474	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1146		1475
1147	DB_ENV *	1476	DB_ENV *
1148	db_env_create (U32 env_flags = 0)	1477	db_env_create (U32 env_flags = 0)
1149	CODE:	1478	CODE:
1150	{	1479	{
1151	errno = db_env_create (&RETVAL, env_flags);	1480	errno = db_env_create (&RETVAL, env_flags);
1152	if (errno)	1481	if (errno)
1153	croak ("db_env_create: %s", db_strerror (errno));	1482	croak ("db_env_create: %s", db_strerror (errno));
		1483
		1484	if (0)
		1485	{
		1486	RETVAL->set_errcall (RETVAL, debug_errcall);
		1487	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1488	}
1154	}	1489	}
1155	OUTPUT:	1490	OUTPUT:
1156	RETVAL	1491	RETVAL
1157		1492
1158	void	1493	void
1159	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1494	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1495	PREINIT:
		1496	CALLBACK
1160	CODE:	1497	CODE:
1161	{	1498	{
1162	env->set_thread_count (env, get_nthreads ());
1163
1164	dREQ (REQ_ENV_OPEN);	1499	dREQ (REQ_ENV_OPEN);
1165	req->env = env;	1500	req->env = env;
1166	req->uint1 = open_flags | DB_THREAD;	1501	req->uint1 = open_flags | DB_THREAD;
1167	req->int1 = mode;	1502	req->int1 = mode;
1168	req->buf1 = strdup_ornull (db_home);	1503	req->buf1 = strdup_ornull (db_home);
1169	REQ_SEND;	1504	REQ_SEND;
1170	}	1505	}
1171		1506
1172	void	1507	void
1173	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1508	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1509	PREINIT:
		1510	CALLBACK
1174	CODE:	1511	CODE:
1175	{	1512	{
1176	dREQ (REQ_ENV_CLOSE);	1513	dREQ (REQ_ENV_CLOSE);
1177	req->env = env;	1514	req->env = env;
1178	req->uint1 = flags;	1515	req->uint1 = flags;
1179	REQ_SEND;	1516	REQ_SEND;
1180	ptr_nuke (ST (0));	1517	ptr_nuke (ST (0));
1181	}	1518	}
1182		1519
1183	void	1520	void
1184	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1521	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1522	PREINIT:
		1523	CALLBACK
1185	CODE:	1524	CODE:
1186	{	1525	{
1187	dREQ (REQ_ENV_TXN_CHECKPOINT);	1526	dREQ (REQ_ENV_TXN_CHECKPOINT);
1188	req->env = env;	1527	req->env = env;
1189	req->uint1 = kbyte;	1528	req->uint1 = kbyte;
…		…
1191	req->uint2 = flags;	1530	req->uint2 = flags;
1192	REQ_SEND;	1531	REQ_SEND;
1193	}	1532	}
1194		1533
1195	void	1534	void
1196	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1535	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1536	PREINIT:
		1537	CALLBACK
1197	CODE:	1538	CODE:
1198	{	1539	{
1199	dREQ (REQ_ENV_LOCK_DETECT);	1540	dREQ (REQ_ENV_LOCK_DETECT);
1200	req->env = env;	1541	req->env = env;
1201	req->uint1 = flags;	1542	req->uint1 = flags;
1202	req->uint2 = atype;	1543	req->uint2 = atype;
		1544	/* req->int2 = 0; dummy */
1203	REQ_SEND;	1545	REQ_SEND;
1204	}	1546	}
1205		1547
1206	void	1548	void
1207	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1549	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1550	PREINIT:
		1551	CALLBACK
1208	CODE:	1552	CODE:
1209	{	1553	{
1210	dREQ (REQ_ENV_MEMP_SYNC);	1554	dREQ (REQ_ENV_MEMP_SYNC);
1211	req->env = env;	1555	req->env = env;
1212	REQ_SEND;	1556	REQ_SEND;
1213	}	1557	}
1214		1558
1215	void	1559	void
1216	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1560	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1561	PREINIT:
		1562	CALLBACK
1217	CODE:	1563	CODE:
1218	{	1564	{
1219	dREQ (REQ_ENV_MEMP_TRICKLE);	1565	dREQ (REQ_ENV_MEMP_TRICKLE);
1220	req->env = env;	1566	req->env = env;
1221	req->int1 = percent;	1567	req->int1 = percent;
1222	REQ_SEND;	1568	REQ_SEND;
1223	}	1569	}
1224		1570
		1571	void
		1572	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1573	PREINIT:
		1574	CALLBACK
		1575	CODE:
		1576	{
		1577	dREQ (REQ_ENV_DBREMOVE);
		1578	req->env = env;
		1579	req->buf1 = strdup_ornull (file);
		1580	req->buf2 = strdup_ornull (database);
		1581	req->uint1 = flags;
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	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)
		1587	PREINIT:
		1588	CALLBACK
		1589	CODE:
		1590	{
		1591	dREQ (REQ_ENV_DBRENAME);
		1592	req->env = env;
		1593	req->buf1 = strdup_ornull (file);
		1594	req->buf2 = strdup_ornull (database);
		1595	req->buf3 = strdup_ornull (newname);
		1596	req->uint1 = flags;
		1597	REQ_SEND;
		1598	}
1225		1599
1226	DB *	1600	DB *
1227	db_create (DB_ENV *env = 0, U32 flags = 0)	1601	db_create (DB_ENV *env = 0, U32 flags = 0)
1228	CODE:	1602	CODE:
1229	{	1603	{
…		…
1236	}	1610	}
1237	OUTPUT:	1611	OUTPUT:
1238	RETVAL	1612	RETVAL
1239		1613
1240	void	1614	void
1241	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1615	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1616	PREINIT:
		1617	CALLBACK
1242	CODE:	1618	CODE:
1243	{	1619	{
1244	dREQ (REQ_DB_OPEN);	1620	dREQ (REQ_DB_OPEN);
1245	req->db = db;	1621	req->db = db;
1246	req->txn = txnid;	1622	req->txn = txnid;
…		…
1251	req->int2 = mode;	1627	req->int2 = mode;
1252	REQ_SEND;	1628	REQ_SEND;
1253	}	1629	}
1254		1630
1255	void	1631	void
1256	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1632	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1633	PREINIT:
		1634	CALLBACK
1257	CODE:	1635	CODE:
1258	{	1636	{
1259	dREQ (REQ_DB_CLOSE);	1637	dREQ (REQ_DB_CLOSE);
1260	req->db = db;	1638	req->db = db;
1261	req->uint1 = flags;	1639	req->uint1 = flags;
1262	req->sv1 = (SV *)db->app_private;	1640	req->sv1 = (SV *)db->app_private;
1263	REQ_SEND;	1641	REQ_SEND;
1264	ptr_nuke (ST (0));	1642	ptr_nuke (ST (0));
1265	}	1643	}
1266		1644
		1645	#if DB_VERSION_MINOR >= 4
		1646
1267	void	1647	void
1268	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)	1648	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)
		1649	PREINIT:
		1650	CALLBACK
1269	CODE:	1651	CODE:
1270	{	1652	{
1271	dREQ (REQ_DB_COMPACT);	1653	dREQ (REQ_DB_COMPACT);
1272	req->db = db;	1654	req->db = db;
1273	req->txn = txn;	1655	req->txn = txn;
…		…
1275	sv_to_dbt (&req->dbt2, stop);	1657	sv_to_dbt (&req->dbt2, stop);
1276	req->uint1 = flags;	1658	req->uint1 = flags;
1277	REQ_SEND;	1659	REQ_SEND;
1278	}	1660	}
1279		1661
		1662	#endif
		1663
1280	void	1664	void
1281	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1665	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1666	PREINIT:
		1667	CALLBACK
1282	CODE:	1668	CODE:
1283	{	1669	{
1284	dREQ (REQ_DB_SYNC);	1670	dREQ (REQ_DB_SYNC);
1285	req->db = db;	1671	req->db = db;
1286	req->uint1 = flags;	1672	req->uint1 = flags;
1287	REQ_SEND;	1673	REQ_SEND;
1288	}	1674	}
1289		1675
1290	void	1676	void
		1677	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1678	PREINIT:
		1679	CALLBACK
		1680	CODE:
		1681	{
		1682	dREQ (REQ_DB_SYNC);
		1683	req->db = db;
		1684	req->buf1 = strdup (file);
		1685	req->uint1 = flags;
		1686	REQ_SEND;
		1687	}
		1688
		1689	void
1291	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1690	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
1292	CODE:	1693	CODE:
1293	{	1694	{
1294	dREQ (REQ_DB_KEY_RANGE);	1695	dREQ (REQ_DB_KEY_RANGE);
1295	req->db = db;	1696	req->db = db;
1296	req->txn = txn;	1697	req->txn = txn;
…		…
1299	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1700	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1300	REQ_SEND;	1701	REQ_SEND;
1301	}	1702	}
1302		1703
1303	void	1704	void
1304	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1705	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1706	PREINIT:
		1707	CALLBACK
1305	CODE:	1708	CODE:
1306	{	1709	{
1307	dREQ (REQ_DB_PUT);	1710	dREQ (REQ_DB_PUT);
1308	req->db = db;	1711	req->db = db;
1309	req->txn = txn;	1712	req->txn = txn;
…		…
1311	sv_to_dbt (&req->dbt2, data);	1714	sv_to_dbt (&req->dbt2, data);
1312	req->uint1 = flags;	1715	req->uint1 = flags;
1313	REQ_SEND;	1716	REQ_SEND;
1314	}	1717	}
1315		1718
		1719	#if DB_VERSION_MINOR >= 6
		1720
1316	void	1721	void
		1722	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1723	PREINIT:
		1724	CALLBACK
		1725	CODE:
		1726	{
		1727	dREQ (REQ_DB_EXISTS);
		1728	req->db = db;
		1729	req->txn = txn;
		1730	req->uint1 = flags;
		1731	sv_to_dbt (&req->dbt1, key);
		1732	REQ_SEND;
		1733	}
		1734
		1735	#endif
		1736
		1737	void
1317	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1738	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1739	PREINIT:
		1740	CALLBACK
1318	CODE:	1741	CODE:
		1742	if (SvREADONLY (data))
		1743	croak ("can't modify read-only data scalar in db_get");
1319	{	1744	{
1320	dREQ (REQ_DB_GET);	1745	dREQ (REQ_DB_GET);
1321	req->db = db;	1746	req->db = db;
1322	req->txn = txn;	1747	req->txn = txn;
1323	req->uint1 = flags;	1748	req->uint1 = flags;
…		…
1326	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1751	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1327	REQ_SEND;	1752	REQ_SEND;
1328	}	1753	}
1329		1754
1330	void	1755	void
1331	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1756	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1757	PREINIT:
		1758	CALLBACK
1332	CODE:	1759	CODE:
		1760	if (SvREADONLY (data))
		1761	croak ("can't modify read-only data scalar in db_pget");
1333	{	1762	{
1334	dREQ (REQ_DB_PGET);	1763	dREQ (REQ_DB_PGET);
1335	req->db = db;	1764	req->db = db;
1336	req->txn = txn;	1765	req->txn = txn;
1337	req->uint1 = flags;	1766	req->uint1 = flags;
…		…
1341	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1770	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1342	REQ_SEND;	1771	REQ_SEND;
1343	}	1772	}
1344		1773
1345	void	1774	void
1346	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1775	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1776	PREINIT:
		1777	CALLBACK
1347	CODE:	1778	CODE:
1348	{	1779	{
1349	dREQ (REQ_DB_DEL);	1780	dREQ (REQ_DB_DEL);
1350	req->db = db;	1781	req->db = db;
1351	req->txn = txn;	1782	req->txn = txn;
…		…
1353	sv_to_dbt (&req->dbt1, key);	1784	sv_to_dbt (&req->dbt1, key);
1354	REQ_SEND;	1785	REQ_SEND;
1355	}	1786	}
1356		1787
1357	void	1788	void
1358	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1789	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1790	PREINIT:
		1791	CALLBACK
1359	CODE:	1792	CODE:
1360	{	1793	{
1361	dREQ (REQ_TXN_COMMIT);	1794	dREQ (REQ_TXN_COMMIT);
1362	req->txn = txn;	1795	req->txn = txn;
1363	req->uint1 = flags;	1796	req->uint1 = flags;
1364	REQ_SEND;	1797	REQ_SEND;
1365	ptr_nuke (ST (0));	1798	ptr_nuke (ST (0));
1366	}	1799	}
1367		1800
1368	void	1801	void
1369	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1802	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1803	PREINIT:
		1804	CALLBACK
1370	CODE:	1805	CODE:
1371	{	1806	{
1372	dREQ (REQ_TXN_ABORT);	1807	dREQ (REQ_TXN_ABORT);
1373	req->txn = txn;	1808	req->txn = txn;
1374	REQ_SEND;	1809	REQ_SEND;
1375	ptr_nuke (ST (0));	1810	ptr_nuke (ST (0));
1376	}	1811	}
1377		1812
1378	void	1813	void
		1814	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1815	PREINIT:
		1816	CALLBACK
		1817	CODE:
		1818	{
		1819	dREQ (REQ_TXN_FINISH);
		1820	req->txn = txn;
		1821	req->uint1 = flags;
		1822	REQ_SEND;
		1823	ptr_nuke (ST (0));
		1824	}
		1825
		1826	void
1379	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1827	db_c_close (DBC *dbc, SV *callback = 0)
		1828	PREINIT:
		1829	CALLBACK
1380	CODE:	1830	CODE:
1381	{	1831	{
1382	dREQ (REQ_C_CLOSE);	1832	dREQ (REQ_C_CLOSE);
1383	req->dbc = dbc;	1833	req->dbc = dbc;
1384	REQ_SEND;	1834	REQ_SEND;
1385	ptr_nuke (ST (0));	1835	ptr_nuke (ST (0));
1386	}	1836	}
1387		1837
1388	void	1838	void
1389	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1839	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1840	PREINIT:
		1841	CALLBACK
1390	CODE:	1842	CODE:
1391	{	1843	{
1392	dREQ (REQ_C_COUNT);	1844	dREQ (REQ_C_COUNT);
1393	req->dbc = dbc;	1845	req->dbc = dbc;
1394	req->sv1 = SvREFCNT_inc (count);	1846	req->sv1 = SvREFCNT_inc (count);
1395	REQ_SEND;	1847	REQ_SEND;
1396	}	1848	}
1397		1849
1398	void	1850	void
1399	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1851	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
1400	CODE:	1854	CODE:
1401	{	1855	{
1402	dREQ (REQ_C_PUT);	1856	dREQ (REQ_C_PUT);
1403	req->dbc = dbc;	1857	req->dbc = dbc;
1404	sv_to_dbt (&req->dbt1, key);	1858	sv_to_dbt (&req->dbt1, key);
…		…
1406	req->uint1 = flags;	1860	req->uint1 = flags;
1407	REQ_SEND;	1861	REQ_SEND;
1408	}	1862	}
1409		1863
1410	void	1864	void
1411	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1865	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1866	PREINIT:
		1867	CALLBACK
1412	CODE:	1868	CODE:
1413	{	1869	{
1414	dREQ (REQ_C_GET);	1870	dREQ (REQ_C_GET);
1415	req->dbc = dbc;	1871	req->dbc = dbc;
1416	req->uint1 = flags;	1872	req->uint1 = flags;
…		…
1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1887	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1432	REQ_SEND;	1888	REQ_SEND;
1433	}	1889	}
1434		1890
1435	void	1891	void
1436	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1892	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1893	PREINIT:
		1894	CALLBACK
1437	CODE:	1895	CODE:
1438	{	1896	{
1439	dREQ (REQ_C_PGET);	1897	dREQ (REQ_C_PGET);
1440	req->dbc = dbc;	1898	req->dbc = dbc;
1441	req->uint1 = flags;	1899	req->uint1 = flags;
…		…
1459	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1917	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1460	REQ_SEND;	1918	REQ_SEND;
1461	}	1919	}
1462		1920
1463	void	1921	void
1464	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1922	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1923	PREINIT:
		1924	CALLBACK
1465	CODE:	1925	CODE:
1466	{	1926	{
1467	dREQ (REQ_C_DEL);	1927	dREQ (REQ_C_DEL);
1468	req->dbc = dbc;	1928	req->dbc = dbc;
1469	req->uint1 = flags;	1929	req->uint1 = flags;
1470	REQ_SEND;	1930	REQ_SEND;
1471	}	1931	}
1472		1932
1473		1933
		1934	#if DB_VERSION_MINOR >= 3
		1935
1474	void	1936	void
1475	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1937	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1938	PREINIT:
		1939	CALLBACK
1476	CODE:	1940	CODE:
1477	{	1941	{
1478	dREQ (REQ_SEQ_OPEN);	1942	dREQ (REQ_SEQ_OPEN);
1479	req->seq = seq;	1943	req->seq = seq;
1480	req->txn = txnid;	1944	req->txn = txnid;
…		…
1482	sv_to_dbt (&req->dbt1, key);	1946	sv_to_dbt (&req->dbt1, key);
1483	REQ_SEND;	1947	REQ_SEND;
1484	}	1948	}
1485		1949
1486	void	1950	void
1487	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1951	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
1488	CODE:	1954	CODE:
1489	{	1955	{
1490	dREQ (REQ_SEQ_CLOSE);	1956	dREQ (REQ_SEQ_CLOSE);
1491	req->seq = seq;	1957	req->seq = seq;
1492	req->uint1 = flags;	1958	req->uint1 = flags;
1493	REQ_SEND;	1959	REQ_SEND;
1494	ptr_nuke (ST (0));	1960	ptr_nuke (ST (0));
1495	}	1961	}
1496		1962
1497	void	1963	void
1498	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)	1964	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1965	PREINIT:
		1966	CALLBACK
1499	CODE:	1967	CODE:
1500	{	1968	{
1501	dREQ (REQ_SEQ_GET);	1969	dREQ (REQ_SEQ_GET);
1502	req->seq = seq;	1970	req->seq = seq;
1503	req->txn = txnid;	1971	req->txn = txnid;
…		…
1506	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1974	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1507	REQ_SEND;	1975	REQ_SEND;
1508	}	1976	}
1509		1977
1510	void	1978	void
1511	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1979	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1980	PREINIT:
		1981	CALLBACK
1512	CODE:	1982	CODE:
1513	{	1983	{
1514	dREQ (REQ_SEQ_REMOVE);	1984	dREQ (REQ_SEQ_REMOVE);
1515	req->seq = seq;	1985	req->seq = seq;
1516	req->txn = txnid;	1986	req->txn = txnid;
1517	req->uint1 = flags;	1987	req->uint1 = flags;
1518	REQ_SEND;	1988	REQ_SEND;
1519	}	1989	}
1520		1990
		1991	#endif
		1992
1521		1993
1522	MODULE = BDB PACKAGE = BDB::Env	1994	MODULE = BDB PACKAGE = BDB::Env
1523		1995
1524	void	1996	void
1525	DESTROY (DB_ENV_ornull *env)	1997	DESTROY (DB_ENV_ornuked *env)
1526	CODE:	1998	CODE:
1527	if (env)	1999	if (env)
1528	env->close (env, 0);	2000	env->close (env, 0);
1529		2001
1530	int set_data_dir (DB_ENV *env, const char *dir)	2002	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1555	CODE:	2027	CODE:
1556	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2028	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1557	OUTPUT:	2029	OUTPUT:
1558	RETVAL	2030	RETVAL
1559		2031
1560	int set_flags (DB_ENV *env, U32 flags, int onoff)	2032	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1561	CODE:	2033	CODE:
1562	RETVAL = env->set_flags (env, flags, onoff);	2034	RETVAL = env->set_flags (env, flags, onoff);
1563	OUTPUT:	2035	OUTPUT:
1564	RETVAL	2036	RETVAL
1565		2037
		2038	#if DB_VERSION_MINOR >= 7
		2039
		2040	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2041	CODE:
		2042	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2043	OUTPUT:
		2044	RETVAL
		2045
		2046	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2047	CODE:
		2048	RETVAL = env->log_set_config (env, flags, onoff);
		2049	OUTPUT:
		2050	RETVAL
		2051
		2052	#endif
		2053
		2054
		2055	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2056	CODE:
		2057	env->set_errfile (env, errfile);
		2058
		2059	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2060	CODE:
		2061	env->set_msgfile (env, msgfile);
		2062
		2063	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2064	CODE:
		2065	RETVAL = env->set_verbose (env, which, onoff);
		2066	OUTPUT:
		2067	RETVAL
		2068
1566	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2069	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1567	CODE:	2070	CODE:
1568	RETVAL = env->set_encrypt (env, password, flags);	2071	RETVAL = env->set_encrypt (env, password, flags);
1569	OUTPUT:	2072	OUTPUT:
1570	RETVAL	2073	RETVAL
1571		2074
1572	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2075	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1573	CODE:	2076	CODE:
1574	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2077	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1575	OUTPUT:	2078	OUTPUT:
1576	RETVAL	2079	RETVAL
1577		2080
…		…
1626	int set_lg_max (DB_ENV *env, U32 max)	2129	int set_lg_max (DB_ENV *env, U32 max)
1627	CODE:	2130	CODE:
1628	RETVAL = env->set_lg_max (env, max);	2131	RETVAL = env->set_lg_max (env, max);
1629	OUTPUT:	2132	OUTPUT:
1630	RETVAL	2133	RETVAL
		2134
		2135	#if DB_VERSION_MINOR >= 4
		2136
		2137	int mutex_set_max (DB_ENV *env, U32 max)
		2138	CODE:
		2139	RETVAL = env->mutex_set_max (env, max);
		2140	OUTPUT:
		2141	RETVAL
		2142
		2143	int mutex_set_increment (DB_ENV *env, U32 increment)
		2144	CODE:
		2145	RETVAL = env->mutex_set_increment (env, increment);
		2146	OUTPUT:
		2147	RETVAL
		2148
		2149	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2150	CODE:
		2151	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2152	OUTPUT:
		2153	RETVAL
		2154
		2155	int mutex_set_align (DB_ENV *env, U32 align)
		2156	CODE:
		2157	RETVAL = env->mutex_set_align (env, align);
		2158	OUTPUT:
		2159	RETVAL
		2160
		2161	#endif
1631		2162
1632	DB_TXN *	2163	DB_TXN *
1633	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2164	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1634	CODE:	2165	CODE:
1635	errno = env->txn_begin (env, parent, &RETVAL, flags);	2166	errno = env->txn_begin (env, parent, &RETVAL, flags);
1636	if (errno)	2167	if (errno)
1637	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2168	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1638	OUTPUT:	2169	OUTPUT:
1639	RETVAL	2170	RETVAL
1640		2171
		2172	#if DB_VERSION_MINOR >= 5
		2173
		2174	DB_TXN *
		2175	cdsgroup_begin (DB_ENV *env)
		2176	CODE:
		2177	errno = env->cdsgroup_begin (env, &RETVAL);
		2178	if (errno)
		2179	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2180	OUTPUT:
		2181	RETVAL
		2182
		2183	#endif
		2184
1641	MODULE = BDB PACKAGE = BDB::Db	2185	MODULE = BDB PACKAGE = BDB::Db
1642		2186
1643	void	2187	void
1644	DESTROY (DB_ornull *db)	2188	DESTROY (DB_ornuked *db)
1645	CODE:	2189	CODE:
1646	if (db)	2190	if (db)
1647	{	2191	{
1648	SV *env = (SV *)db->app_private;	2192	SV *env = (SV *)db->app_private;
1649	db->close (db, 0);	2193	db->close (db, 0);
…		…
1654	CODE:	2198	CODE:
1655	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2199	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1656	OUTPUT:	2200	OUTPUT:
1657	RETVAL	2201	RETVAL
1658		2202
1659	int set_flags (DB *db, U32 flags);	2203	int set_flags (DB *db, U32 flags)
1660	CODE:	2204	CODE:
1661	RETVAL = db->set_flags (db, flags);	2205	RETVAL = db->set_flags (db, flags);
1662	OUTPUT:	2206	OUTPUT:
1663	RETVAL	2207	RETVAL
1664		2208
…		…
1678	CODE:	2222	CODE:
1679	RETVAL = db->set_bt_minkey (db, minkey);	2223	RETVAL = db->set_bt_minkey (db, minkey);
1680	OUTPUT:	2224	OUTPUT:
1681	RETVAL	2225	RETVAL
1682		2226
1683	int set_re_delim(DB *db, int delim);	2227	int set_re_delim (DB *db, int delim)
1684	CODE:	2228	CODE:
1685	RETVAL = db->set_re_delim (db, delim);	2229	RETVAL = db->set_re_delim (db, delim);
1686	OUTPUT:	2230	OUTPUT:
1687	RETVAL	2231	RETVAL
1688		2232
…		…
1729	if (errno)	2273	if (errno)
1730	croak ("DB->cursor: %s", db_strerror (errno));	2274	croak ("DB->cursor: %s", db_strerror (errno));
1731	OUTPUT:	2275	OUTPUT:
1732	RETVAL	2276	RETVAL
1733		2277
		2278	#if DB_VERSION_MINOR >= 3
		2279
1734	DB_SEQUENCE *	2280	DB_SEQUENCE *
1735	sequence (DB *db, U32 flags = 0)	2281	sequence (DB *db, U32 flags = 0)
1736	CODE:	2282	CODE:
1737	{	2283	{
1738	errno = db_sequence_create (&RETVAL, db, flags);	2284	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1740	croak ("db_sequence_create: %s", db_strerror (errno));	2286	croak ("db_sequence_create: %s", db_strerror (errno));
1741	}	2287	}
1742	OUTPUT:	2288	OUTPUT:
1743	RETVAL	2289	RETVAL
1744		2290
		2291	#endif
		2292
1745		2293
1746	MODULE = BDB PACKAGE = BDB::Txn	2294	MODULE = BDB PACKAGE = BDB::Txn
1747		2295
1748	void	2296	void
1749	DESTROY (DB_TXN_ornull *txn)	2297	DESTROY (DB_TXN_ornuked *txn)
1750	CODE:	2298	CODE:
1751	if (txn)	2299	if (txn)
1752	txn->abort (txn);	2300	txn->abort (txn);
1753		2301
1754	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2302	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1755	CODE:	2303	CODE:
1756	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2304	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1757	OUTPUT:	2305	OUTPUT:
1758	RETVAL	2306	RETVAL
1759		2307
		2308	int failed (DB_TXN *txn)
		2309	CODE:
		2310	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2311	OUTPUT:
		2312	RETVAL
		2313
1760		2314
1761	MODULE = BDB PACKAGE = BDB::Cursor	2315	MODULE = BDB PACKAGE = BDB::Cursor
1762		2316
1763	void	2317	void
1764	DESTROY (DBC_ornull *dbc)	2318	DESTROY (DBC_ornuked *dbc)
1765	CODE:	2319	CODE:
1766	if (dbc)	2320	if (dbc)
1767	dbc->c_close (dbc);	2321	dbc->c_close (dbc);
1768		2322
		2323	#if DB_VERSION_MINOR >= 6
		2324
		2325	int set_priority (DBC *dbc, int priority)
		2326	CODE:
		2327	dbc->set_priority (dbc, priority);
		2328
		2329	#endif
		2330
		2331	#if DB_VERSION_MINOR >= 3
		2332
1769	MODULE = BDB PACKAGE = BDB::Sequence	2333	MODULE = BDB PACKAGE = BDB::Sequence
1770		2334
1771	void	2335	void
1772	DESTROY (DB_SEQUENCE_ornull *seq)	2336	DESTROY (DB_SEQUENCE_ornuked *seq)
1773	CODE:	2337	CODE:
1774	if (seq)	2338	if (seq)
1775	seq->close (seq, 0);	2339	seq->close (seq, 0);
1776		2340
1777	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2341	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1796	CODE:	2360	CODE:
1797	RETVAL = seq->set_range (seq, min, max);	2361	RETVAL = seq->set_range (seq, min, max);
1798	OUTPUT:	2362	OUTPUT:
1799	RETVAL	2363	RETVAL
1800		2364
		2365	#endif
		2366
		2367

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