[ViewVC] Diff of: cvs/BDB/BDB.xs

Comparing BDB/BDB.xs (file contents):
Revision 1.17 by root, Thu Sep 13 21:34:00 2007 UTC vs.
Revision 1.74 by root, Wed Mar 31 00:44:51 2010 UTC

…		…
		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
6	#include "perl.h"	8	#include "perl.h"
7	#include "XSUB.h"	9	#include "XSUB.h"
8		10
		11	#include "schmorp.h"
		12
9	// perl stupidly defines these as macros, breaking	13	// perl stupidly defines these as argument-less macros, breaking
10	// lots and lots of code.	14	// lots and lots of code.
11	#undef open	15	#undef open
12	#undef close	16	#undef close
13	#undef abort	17	#undef abort
14	#undef malloc	18	#undef malloc
27	# include <unistd.h>	31	# include <unistd.h>
28	#endif	32	#endif
29		33
30	#include <db.h>	34	#include <db.h>
31		35
32	#if DB_VERSION_MAJOR < 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	36	#if DB_VERSION_MAJOR != 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
33	# error you need Berkeley DB 4.4 or newer installed	37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
34	#endif	38	#endif
35		39
36	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
		42
		43	typedef SV SV_mutable;
38		44
39	typedef DB_ENV DB_ENV_ornull;	45	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	46	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	47	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	48	typedef DB DB_ornull;
		49
		50	typedef DB_ENV DB_ENV_ornuked;
		51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		58	#endif
44		59
45	typedef SV SV8; /* byte-sv, used for argument-checking */	60	typedef char *bdb_filename;
46	typedef char *octetstring;
47		61
48	static SV *prepare_cb;	62	static SV *prepare_cb;
		63
		64	static HV
		65	*bdb_stash,
		66	*bdb_env_stash,
		67	*bdb_txn_stash,
		68	*bdb_cursor_stash,
		69	*bdb_db_stash,
		70	*bdb_sequence_stash;
49		71
50	#if DB_VERSION_MINOR >= 6	72	#if DB_VERSION_MINOR >= 6
51	# define c_close close	73	# define c_close close
52	# define c_count count	74	# define c_count count
53	# define c_del del	75	# define c_del del
…		…
55	# define c_get get	77	# define c_get get
56	# define c_pget pget	78	# define c_pget pget
57	# define c_put put	79	# define c_put put
58	#endif	80	#endif
59		81
		82	static char *
		83	get_bdb_filename (SV *sv)
		84	{
		85	if (!SvOK (sv))
		86	return 0;
		87
		88	#if _WIN32
		89	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		90	{
		91	STRLEN len;
		92	char *src = SvPVbyte (sv, len);
		93	SV *t1 = sv_newmortal ();
		94	SV *t2 = sv_newmortal ();
		95
		96	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		97	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		98
		99	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		100	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		101	SvPOK_only (t2);
		102	SvPVX (t2)[len] = 0;
		103	SvCUR_set (t2, len);
		104
		105	return SvPVX (t2);
		106	}
		107	#else
		108	return SvPVbyte_nolen (sv);
		109	#endif
		110	}
		111
60	static void	112	static void
61	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)	113	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
62	{	114	{
63	printf ("err[%s]\n", msg);	115	printf ("err[%s]\n", msg);
64	}	116	}
…		…
91	dbt_to_sv (SV sv, DBT dbt)	143	dbt_to_sv (SV sv, DBT dbt)
92	{	144	{
93	if (sv)	145	if (sv)
94	{	146	{
95	SvREADONLY_off (sv);	147	SvREADONLY_off (sv);
		148
		149	if (dbt->data)
96	sv_setpvn_mg (sv, dbt->data, dbt->size);	150	sv_setpvn_mg (sv, dbt->data, dbt->size);
		151	else
		152	sv_setsv_mg (sv, &PL_sv_undef);
		153
97	SvREFCNT_dec (sv);	154	SvREFCNT_dec (sv);
98	}	155	}
99		156
100	free (dbt->data);	157	free (dbt->data);
101	}	158	}
102		159
103	enum {	160	enum {
104	REQ_QUIT,	161	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	162	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	163	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		164	REQ_ENV_LOG_ARCHIVE,
107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	165	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	166	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
109	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,	167	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	168	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	169	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	170	};
113		171
114	typedef struct aio_cb	172	typedef struct bdb_cb
115	{	173	{
116	struct aio_cb *volatile next;	174	struct bdb_cb *volatile next;
117	SV *callback;	175	SV *callback;
118	int type, pri, result;	176	int type, pri, result;
119		177
120	DB_ENV *env;	178	DB_ENV *env;
121	DB *db;	179	DB *db;
…		…
123	DBC *dbc;	181	DBC *dbc;
124		182
125	UV uv1;	183	UV uv1;
126	int int1, int2;	184	int int1, int2;
127	U32 uint1, uint2;	185	U32 uint1, uint2;
128	char buf1, buf2;	186	char buf1, buf2, *buf3;
129	SV sv1, sv2, *sv3;	187	SV sv1, sv2, *sv3;
130		188
131	DBT dbt1, dbt2, dbt3;	189	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	190	DB_KEY_RANGE key_range;
		191	#if DB_VERSION_MINOR >= 3
133	DB_SEQUENCE *seq;	192	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	193	db_seq_t seq_t;
135	} aio_cb;	194	#endif
136		195
		196	SV rsv1, rsv2; // keep some request objects alive
		197	} bdb_cb;
		198
137	typedef aio_cb *aio_req;	199	typedef bdb_cb *bdb_req;
138		200
139	enum {	201	enum {
140	PRI_MIN = -4,	202	PRI_MIN = -4,
141	PRI_MAX = 4,	203	PRI_MAX = 4,
142		204
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	207	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	208	};
147		209
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	210	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		211
		212	static SV *on_next_submit;
		213
150	static unsigned int max_poll_time = 0;	214	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	215	static unsigned int max_poll_reqs = 0;
152		216
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	217	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval tv1, struct timeval tv2)	218	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
160	static int next_pri = DEFAULT_PRI + PRI_BIAS;	224	static int next_pri = DEFAULT_PRI + PRI_BIAS;
161		225
162	static unsigned int started, idle, wanted;	226	static unsigned int started, idle, wanted;
163		227
164	/* worker threads management */	228	/* worker threads management */
165	static mutex_t wrklock = X_MUTEX_INIT;	229	static xmutex_t wrklock = X_MUTEX_INIT;
166		230
167	typedef struct worker {	231	typedef struct worker {
168	/* locked by wrklock */	232	/* locked by wrklock */
169	struct worker prev, next;	233	struct worker prev, next;
170		234
171	thread_t tid;	235	xthread_t tid;
172		236
173	/* locked by reslock, reqlock or wrklock */	237	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	238	bdb_req req; /* currently processed request */
175	void *dbuf;	239	void *dbuf;
176	DIR *dirp;	240	DIR *dirp;
177	} worker;	241	} worker;
178		242
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	243	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
191	}	255	}
192		256
193	static volatile unsigned int nreqs, nready, npending;	257	static volatile unsigned int nreqs, nready, npending;
194	static volatile unsigned int max_idle = 4;	258	static volatile unsigned int max_idle = 4;
195	static volatile unsigned int max_outstanding = 0xffffffff;	259	static volatile unsigned int max_outstanding = 0xffffffff;
196	static int respipe [2], respipe_osf [2];	260	static s_epipe respipe;
197		261
198	static mutex_t reslock = X_MUTEX_INIT;	262	static xmutex_t reslock = X_MUTEX_INIT;
199	static mutex_t reqlock = X_MUTEX_INIT;	263	static xmutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	264	static xcond_t reqwait = X_COND_INIT;
201		265
202	#if WORDACCESS_UNSAFE	266	#if WORDACCESS_UNSAFE
203		267
204	static unsigned int get_nready ()	268	static unsigned int get_nready (void)
205	{	269	{
206	unsigned int retval;	270	unsigned int retval;
207		271
208	X_LOCK (reqlock);	272	X_LOCK (reqlock);
209	retval = nready;	273	retval = nready;
210	X_UNLOCK (reqlock);	274	X_UNLOCK (reqlock);
211		275
212	return retval;	276	return retval;
213	}	277	}
214		278
215	static unsigned int get_npending ()	279	static unsigned int get_npending (void)
216	{	280	{
217	unsigned int retval;	281	unsigned int retval;
218		282
219	X_LOCK (reslock);	283	X_LOCK (reslock);
220	retval = npending;	284	retval = npending;
221	X_UNLOCK (reslock);	285	X_UNLOCK (reslock);
222		286
223	return retval;	287	return retval;
224	}	288	}
225		289
226	static unsigned int get_nthreads ()	290	static unsigned int get_nthreads (void)
227	{	291	{
228	unsigned int retval;	292	unsigned int retval;
229		293
230	X_LOCK (wrklock);	294	X_LOCK (wrklock);
231	retval = started;	295	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	310	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	311	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	312	* per shift, the most expensive operation.
249	*/	313	*/
250	typedef struct {	314	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	315	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	316	int size;
253	} reqq;	317	} reqq;
254		318
255	static reqq req_queue;	319	static reqq req_queue;
256	static reqq res_queue;	320	static reqq res_queue;
257		321
258	int reqq_push (reqq *q, aio_req req)	322	int reqq_push (reqq *q, bdb_req req)
259	{	323	{
260	int pri = req->pri;	324	int pri = req->pri;
261	req->next = 0;	325	req->next = 0;
262		326
263	if (q->qe[pri])	327	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	333	q->qe[pri] = q->qs[pri] = req;
270		334
271	return q->size++;	335	return q->size++;
272	}	336	}
273		337
274	aio_req reqq_shift (reqq *q)	338	bdb_req reqq_shift (reqq *q)
275	{	339	{
276	int pri;	340	int pri;
277		341
278	if (!q->size)	342	if (!q->size)
279	return 0;	343	return 0;
280		344
281	--q->size;	345	--q->size;
282		346
283	for (pri = NUM_PRI; pri--; )	347	for (pri = NUM_PRI; pri--; )
284	{	348	{
285	aio_req req = q->qs[pri];	349	bdb_req req = q->qs[pri];
286		350
287	if (req)	351	if (req)
288	{	352	{
289	if (!(q->qs[pri] = req->next))	353	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	354	q->qe[pri] = 0;
…		…
294	}	358	}
295		359
296	abort ();	360	abort ();
297	}	361	}
298		362
299	static int poll_cb ();	363	static int poll_cb (void);
300	static void req_free (aio_req req);	364	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);
302		365
303	static int req_invoke (aio_req req)	366	static int req_invoke (bdb_req req)
304	{	367	{
305	dSP;	368	switch (req->type)
306
307	if (SvOK (req->callback))
308	{	369	{
		370	case REQ_DB_CLOSE:
		371	SvREFCNT_dec (req->sv1);
		372	break;
		373
		374	case REQ_DB_GET:
		375	case REQ_DB_PGET:
		376	case REQ_C_GET:
		377	case REQ_C_PGET:
		378	case REQ_DB_PUT:
		379	case REQ_C_PUT:
		380	dbt_to_sv (req->sv1, &req->dbt1);
		381	dbt_to_sv (req->sv2, &req->dbt2);
		382	dbt_to_sv (req->sv3, &req->dbt3);
		383	break;
		384
		385	case REQ_DB_KEY_RANGE:
		386	{
		387	AV *av = newAV ();
		388
		389	av_push (av, newSVnv (req->key_range.less));
		390	av_push (av, newSVnv (req->key_range.equal));
		391	av_push (av, newSVnv (req->key_range.greater));
		392
		393	av = (AV )newRV_noinc ((SV )av);
		394
		395	SvREADONLY_off (req->sv1);
		396	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		397	SvREFCNT_dec (av);
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
		414
		415	case REQ_ENV_LOG_ARCHIVE:
		416	{
		417	AV *av = newAV ();
		418	char listp = (char )req->buf1;
		419
		420	if (listp)
		421	while (*listp)
		422	av_push (av, newSVpv (*listp, 0)), ++listp;
		423
		424	av = (AV )newRV_noinc ((SV )av);
		425
		426	SvREADONLY_off (req->sv1);
		427	sv_setsv_mg (req->sv1, (SV *)av);
		428	SvREFCNT_dec (av);
		429	SvREFCNT_dec (req->sv1);
		430	}
		431	break;
		432	}
		433
		434	errno = req->result;
		435
		436	if (req->callback)
		437	{
		438	dSP;
		439
309	ENTER;	440	ENTER;
310	SAVETMPS;	441	SAVETMPS;
311	PUSHMARK (SP);	442	PUSHMARK (SP);
312		443
313	switch (req->type)
314	{
315	case REQ_DB_CLOSE:
316	SvREFCNT_dec (req->sv1);
317	break;
318
319	case REQ_DB_GET:
320	case REQ_DB_PGET:
321	dbt_to_sv (req->sv3, &req->dbt3);
322	break;
323
324	case REQ_C_GET:
325	case REQ_C_PGET:
326	dbt_to_sv (req->sv1, &req->dbt1);
327	dbt_to_sv (req->sv2, &req->dbt2);
328	dbt_to_sv (req->sv3, &req->dbt3);
329	break;
330
331	case REQ_DB_KEY_RANGE:
332	{
333	AV *av = newAV ();
334
335	av_push (av, newSVnv (req->key_range.less));
336	av_push (av, newSVnv (req->key_range.equal));
337	av_push (av, newSVnv (req->key_range.greater));
338
339	SvREADONLY_off (req->sv1);
340	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
341	SvREFCNT_dec (req->sv1);
342	}
343	break;
344
345	case REQ_SEQ_GET:
346	SvREADONLY_off (req->sv1);
347
348	if (sizeof (IV) > 4)
349	sv_setiv_mg (req->sv1, req->seq_t);
350	else
351	sv_setnv_mg (req->sv1, req->seq_t);
352
353	SvREFCNT_dec (req->sv1);
354	break;
355	}
356
357	errno = req->result;
358
359	PUTBACK;	444	PUTBACK;
360	call_sv (req->callback, G_VOID \| G_EVAL);	445	call_sv (req->callback, G_VOID \| G_EVAL);
361	SPAGAIN;	446	SPAGAIN;
362		447
363	FREETMPS;	448	FREETMPS;
364	LEAVE;	449	LEAVE;
		450
		451	return !SvTRUE (ERRSV);
365	}	452	}
366		453
367	return !SvTRUE (ERRSV);	454	return 1;
368	}	455	}
369		456
370	static void req_free (aio_req req)	457	static void req_free (bdb_req req)
371	{	458	{
		459	SvREFCNT_dec (req->callback);
		460
		461	SvREFCNT_dec (req->rsv1);
		462	SvREFCNT_dec (req->rsv2);
		463
372	free (req->buf1);	464	free (req->buf1);
373	free (req->buf2);	465	free (req->buf2);
		466	free (req->buf3);
		467
374	Safefree (req);	468	Safefree (req);
375	}	469	}
376		470
377	#ifdef USE_SOCKETS_AS_HANDLES
378	# define TO_SOCKET(x) (win32_get_osfhandle (x))
379	#else
380	# define TO_SOCKET(x) (x)
381	#endif
382
383	static void	471	static void
384	create_pipe (int fd[2])	472	create_respipe (void)
385	{	473	{
386	#ifdef _WIN32	474	if (s_epipe_renew (&respipe))
387	int arg = 1;	475	croak ("BDB: unable to create event pipe");
388	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
389	\|\| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
390	\|\| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
391	#else
392	if (pipe (fd)
393	\|\| fcntl (fd [0], F_SETFL, O_NONBLOCK)
394	\|\| fcntl (fd [1], F_SETFL, O_NONBLOCK))
395	#endif
396	croak ("unable to initialize result pipe");
397
398	respipe_osf [0] = TO_SOCKET (respipe [0]);
399	respipe_osf [1] = TO_SOCKET (respipe [1]);
400	}	476	}
401		477
		478	static void bdb_request (bdb_req req);
402	X_THREAD_PROC (bdb_proc);	479	X_THREAD_PROC (bdb_proc);
403		480
404	static void start_thread (void)	481	static void start_thread (void)
405	{	482	{
406	worker *wrk = calloc (1, sizeof (worker));	483	worker *wrk = calloc (1, sizeof (worker));
…		…
421	free (wrk);	498	free (wrk);
422		499
423	X_UNLOCK (wrklock);	500	X_UNLOCK (wrklock);
424	}	501	}
425		502
426	static void maybe_start_thread ()	503	static void maybe_start_thread (void)
427	{	504	{
428	if (get_nthreads () >= wanted)	505	if (get_nthreads () >= wanted)
429	return;	506	return;
430		507
431	/* todo: maybe use idle here, but might be less exact */	508	/* todo: maybe use idle here, but might be less exact */
…		…
433	return;	510	return;
434		511
435	start_thread ();	512	start_thread ();
436	}	513	}
437		514
438	static void req_send (aio_req req)	515	static void req_send (bdb_req req)
439	{	516	{
440	SV *wait_callback = 0;	517	SV *wait_callback = 0;
441		518
442	// synthesize callback if none given	519	if (on_next_submit)
443	if (!SvOK (req->callback))
444	{	520	{
445	int count;
446
447	dSP;	521	dSP;
		522	SV *cb = sv_2mortal (on_next_submit);
		523
		524	on_next_submit = 0;
		525
448	PUSHMARK (SP);	526	PUSHMARK (SP);
449	PUTBACK;	527	PUTBACK;
450	count = call_sv (prepare_cb, G_ARRAY);	528	call_sv (cb, G_DISCARD \| G_EVAL);
451	SPAGAIN;	529	SPAGAIN;
		530	}
452		531
		532	// synthesize callback if none given
		533	if (!req->callback)
		534	{
		535	if (SvOK (prepare_cb))
		536	{
		537	int count;
		538
		539	dSP;
		540	PUSHMARK (SP);
		541	PUTBACK;
		542	count = call_sv (prepare_cb, G_ARRAY);
		543	SPAGAIN;
		544
453	if (count != 2)	545	if (count != 2)
454	croak ("prepare callback must return exactly two values\n");	546	croak ("sync prepare callback must return exactly two values\n");
455		547
456	wait_callback = SvREFCNT_inc (POPs);	548	wait_callback = POPs;
457	SvREFCNT_dec (req->callback);
458	req->callback = SvREFCNT_inc (POPs);	549	req->callback = SvREFCNT_inc (POPs);
		550	}
		551	else
		552	{
		553	// execute request synchronously
		554	bdb_request (req);
		555	req_invoke (req);
		556	req_free (req);
		557	return;
		558	}
459	}	559	}
460		560
461	++nreqs;	561	++nreqs;
462		562
463	X_LOCK (reqlock);	563	X_LOCK (reqlock);
…		…
472	{	572	{
473	dSP;	573	dSP;
474	PUSHMARK (SP);	574	PUSHMARK (SP);
475	PUTBACK;	575	PUTBACK;
476	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
477	SvREFCNT_dec (wait_callback);
478	}	577	}
479	}	578	}
480		579
481	static void end_thread (void)	580	static void end_thread (void)
482	{	581	{
483	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
484
485	Newz (0, req, 1, aio_cb);
486		583
487	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
488	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
489		586
490	X_LOCK (reqlock);	587	X_LOCK (reqlock);
…		…
517		614
518	while (started > wanted)	615	while (started > wanted)
519	end_thread ();	616	end_thread ();
520	}	617	}
521		618
522	static void poll_wait ()	619	static void poll_wait (void)
523	{	620	{
524	fd_set rfd;
525
526	while (nreqs)	621	while (nreqs)
527	{	622	{
528	int size;	623	int size;
529	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	624	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
530	size = res_queue.size;	625	size = res_queue.size;
…		…
533	if (size)	628	if (size)
534	return;	629	return;
535		630
536	maybe_start_thread ();	631	maybe_start_thread ();
537		632
538	FD_ZERO (&rfd);	633	s_epipe_wait (&respipe);
539	FD_SET (respipe [0], &rfd);
540
541	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
542	}	634	}
543	}	635	}
544		636
545	static int poll_cb ()	637	static int poll_cb (void)
546	{	638	{
547	dSP;	639	dSP;
548	int count = 0;	640	int count = 0;
549	int maxreqs = max_poll_reqs;	641	int maxreqs = max_poll_reqs;
550	int do_croak = 0;	642	int do_croak = 0;
551	struct timeval tv_start, tv_now;	643	struct timeval tv_start, tv_now;
552	aio_req req;	644	bdb_req req;
553		645
554	if (max_poll_time)	646	if (max_poll_time)
555	gettimeofday (&tv_start, 0);	647	gettimeofday (&tv_start, 0);
556		648
557	for (;;)	649	for (;;)
…		…
566	if (req)	658	if (req)
567	{	659	{
568	--npending;	660	--npending;
569		661
570	if (!res_queue.size)	662	if (!res_queue.size)
571	{
572	/* read any signals sent by the worker threads */	663	/* read any signals sent by the worker threads */
573	char buf [4];	664	s_epipe_drain (&respipe);
574	while (respipe_read (respipe [0], buf, 4) == 4)
575	;
576	}
577	}	665	}
578		666
579	X_UNLOCK (reslock);	667	X_UNLOCK (reslock);
580		668
581	if (!req)	669	if (!req)
…		…
616	return count;	704	return count;
617	}	705	}
618		706
619	/*****************************************************************************/	707	/*****************************************************************************/
620		708
		709	static void
		710	bdb_request (bdb_req req)
		711	{
		712	switch (req->type)
		713	{
		714	case REQ_ENV_OPEN:
		715	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		716	break;
		717
		718	case REQ_ENV_CLOSE:
		719	req->result = req->env->close (req->env, req->uint1);
		720	break;
		721
		722	case REQ_ENV_TXN_CHECKPOINT:
		723	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		724	break;
		725
		726	case REQ_ENV_LOCK_DETECT:
		727	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		728	break;
		729
		730	case REQ_ENV_MEMP_SYNC:
		731	req->result = req->env->memp_sync (req->env, 0);
		732	break;
		733
		734	case REQ_ENV_MEMP_TRICKLE:
		735	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		736	break;
		737
		738	case REQ_ENV_DBREMOVE:
		739	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		740	break;
		741
		742	case REQ_ENV_DBRENAME:
		743	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		744	break;
		745
		746	case REQ_DB_OPEN:
		747	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		748	break;
		749
		750	case REQ_DB_CLOSE:
		751	req->result = req->db->close (req->db, req->uint1);
		752	break;
		753
		754	#if DB_VERSION_MINOR >= 4
		755	case REQ_DB_COMPACT:
		756	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		757	break;
		758	#endif
		759
		760	case REQ_DB_SYNC:
		761	req->result = req->db->sync (req->db, req->uint1);
		762	break;
		763
		764	case REQ_DB_VERIFY:
		765	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		766	break;
		767
		768	case REQ_DB_UPGRADE:
		769	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		770	break;
		771
		772	case REQ_DB_PUT:
		773	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		774	break;
		775
		776	#if DB_VERSION_MINOR >= 6
		777	case REQ_DB_EXISTS:
		778	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		779	break;
		780	#endif
		781	case REQ_DB_GET:
		782	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		783	break;
		784
		785	case REQ_DB_PGET:
		786	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		787	break;
		788
		789	case REQ_DB_DEL:
		790	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		791	break;
		792
		793	case REQ_DB_KEY_RANGE:
		794	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		795	break;
		796
		797	case REQ_TXN_COMMIT:
		798	req->result = req->txn->commit (req->txn, req->uint1);
		799	break;
		800
		801	case REQ_TXN_ABORT:
		802	req->result = req->txn->abort (req->txn);
		803	break;
		804
		805	case REQ_TXN_FINISH:
		806	if (req->txn->flags & TXN_DEADLOCK)
		807	{
		808	req->result = req->txn->abort (req->txn);
		809	if (!req->result)
		810	req->result = DB_LOCK_DEADLOCK;
		811	}
		812	else
		813	req->result = req->txn->commit (req->txn, req->uint1);
		814	break;
		815
		816	case REQ_C_CLOSE:
		817	req->result = req->dbc->c_close (req->dbc);
		818	break;
		819
		820	case REQ_C_COUNT:
		821	{
		822	db_recno_t recno;
		823	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		824	req->uv1 = recno;
		825	}
		826	break;
		827
		828	case REQ_C_PUT:
		829	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		830	break;
		831
		832	case REQ_C_GET:
		833	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		834	break;
		835
		836	case REQ_C_PGET:
		837	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		838	break;
		839
		840	case REQ_C_DEL:
		841	req->result = req->dbc->c_del (req->dbc, req->uint1);
		842	break;
		843
		844	#if DB_VERSION_MINOR >= 3
		845	case REQ_SEQ_OPEN:
		846	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		847	break;
		848
		849	case REQ_SEQ_CLOSE:
		850	req->result = req->seq->close (req->seq, req->uint1);
		851	break;
		852
		853	case REQ_SEQ_GET:
		854	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		855	break;
		856
		857	case REQ_SEQ_REMOVE:
		858	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		859	break;
		860	#endif
		861
		862	case REQ_ENV_LOG_ARCHIVE:
		863	{
		864	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		865	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		866	req->buf1 = (char *)listp;
		867	}
		868	break;
		869
		870	default:
		871	req->result = ENOSYS;
		872	break;
		873	}
		874
		875	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		876	req->txn->flags \|= TXN_DEADLOCK;
		877	}
		878
621	X_THREAD_PROC (bdb_proc)	879	X_THREAD_PROC (bdb_proc)
622	{	880	{
623	aio_req req;	881	bdb_req req;
624	struct timespec ts;	882	struct timespec ts;
625	worker self = (worker )thr_arg;	883	worker self = (worker )thr_arg;
626		884
627	/* try to distribute timeouts somewhat evenly */	885	/* try to distribute timeouts somewhat evenly */
628	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	886	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
629		887
630	for (;;)	888	for (;;)
631	{	889	{
632	ts.tv_sec = time (0) + IDLE_TIMEOUT;	890	ts.tv_sec = time (0) + IDLE_TIMEOUT;
633		891
634	X_LOCK (reqlock);	892	X_LOCK (reqlock);
635		893
636	for (;;)	894	for (;;)
637	{	895	{
…		…
664	}	922	}
665		923
666	--nready;	924	--nready;
667		925
668	X_UNLOCK (reqlock);	926	X_UNLOCK (reqlock);
669		927
670	switch (req->type)	928	if (req->type == REQ_QUIT)
671	{	929	{
672	case REQ_QUIT:	930	X_LOCK (reslock);
673	req->result = ENOSYS;	931	free (req);
		932	self->req = 0;
		933	X_UNLOCK (reslock);
		934
674	goto quit;	935	goto quit;
675
676	case REQ_ENV_OPEN:
677	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
678	break;
679
680	case REQ_ENV_CLOSE:
681	req->result = req->env->close (req->env, req->uint1);
682	break;
683
684	case REQ_ENV_TXN_CHECKPOINT:
685	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
686	break;
687
688	case REQ_ENV_LOCK_DETECT:
689	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
690	break;
691
692	case REQ_ENV_MEMP_SYNC:
693	req->result = req->env->memp_sync (req->env, 0);
694	break;
695
696	case REQ_ENV_MEMP_TRICKLE:
697	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
698	break;
699
700	case REQ_DB_OPEN:
701	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
702	break;
703
704	case REQ_DB_CLOSE:
705	req->result = req->db->close (req->db, req->uint1);
706	break;
707
708	case REQ_DB_COMPACT:
709	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
710	break;
711
712	case REQ_DB_SYNC:
713	req->result = req->db->sync (req->db, req->uint1);
714	break;
715
716	case REQ_DB_PUT:
717	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
718	break;
719
720	case REQ_DB_GET:
721	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
722	break;
723
724	case REQ_DB_PGET:
725	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
726	break;
727
728	case REQ_DB_DEL:
729	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
730	break;
731
732	case REQ_DB_KEY_RANGE:
733	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
734	break;
735
736	case REQ_TXN_COMMIT:
737	req->result = req->txn->commit (req->txn, req->uint1);
738	break;
739
740	case REQ_TXN_ABORT:
741	req->result = req->txn->abort (req->txn);
742	break;
743
744	case REQ_TXN_FINISH:
745	if (req->txn->flags & TXN_DEADLOCK)
746	req->result = req->txn->commit (req->txn, req->uint1);
747	else
748	{
749	req->result = req->txn->abort (req->txn);
750	if (!req->result)
751	req->result = DB_LOCK_DEADLOCK;
752	}
753	break;
754
755	case REQ_C_CLOSE:
756	req->result = req->dbc->c_close (req->dbc);
757	break;
758
759	case REQ_C_COUNT:
760	{
761	db_recno_t recno;
762	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
763	req->uv1 = recno;
764	}
765	break;
766
767	case REQ_C_PUT:
768	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
769	break;
770
771	case REQ_C_GET:
772	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
773	break;
774
775	case REQ_C_PGET:
776	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
777	break;
778
779	case REQ_C_DEL:
780	req->result = req->dbc->c_del (req->dbc, req->uint1);
781	break;
782
783	case REQ_SEQ_OPEN:
784	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
785	break;
786
787	case REQ_SEQ_CLOSE:
788	req->result = req->seq->close (req->seq, req->uint1);
789	break;
790
791	case REQ_SEQ_GET:
792	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
793	break;
794
795	case REQ_SEQ_REMOVE:
796	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
797	break;
798
799	default:
800	req->result = ENOSYS;
801	break;
802	}	936	}
803		937
804	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))	938	bdb_request (req);
805	req->txn->flags \|= TXN_DEADLOCK;
806		939
807	X_LOCK (reslock);	940	X_LOCK (reslock);
808		941
809	++npending;	942	++npending;
810		943
811	if (!reqq_push (&res_queue, req))	944	if (!reqq_push (&res_queue, req))
812	/* write a dummy byte to the pipe so fh becomes ready */	945	s_epipe_signal (&respipe);
813	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
814		946
815	self->req = 0;	947	self->req = 0;
816	worker_clear (self);	948	worker_clear (self);
817		949
818	X_UNLOCK (reslock);	950	X_UNLOCK (reslock);
…		…
842	X_UNLOCK (wrklock);	974	X_UNLOCK (wrklock);
843	}	975	}
844		976
845	static void atfork_child (void)	977	static void atfork_child (void)
846	{	978	{
847	aio_req prv;	979	bdb_req prv;
848		980
849	while (prv = reqq_shift (&req_queue))	981	while (prv = reqq_shift (&req_queue))
850	req_free (prv);	982	req_free (prv);
851		983
852	while (prv = reqq_shift (&res_queue))	984	while (prv = reqq_shift (&res_queue))
…		…
867	idle = 0;	999	idle = 0;
868	nreqs = 0;	1000	nreqs = 0;
869	nready = 0;	1001	nready = 0;
870	npending = 0;	1002	npending = 0;
871		1003
872	respipe_close (respipe [0]);
873	respipe_close (respipe [1]);
874
875	create_pipe (respipe);	1004	create_respipe ();
876		1005
877	atfork_parent ();	1006	atfork_parent ();
878	}	1007	}
879		1008
880	#define dREQ(reqtype) \	1009	#define dREQ(reqtype,rsvcnt) \
881	aio_req req; \	1010	bdb_req req; \
882	int req_pri = next_pri; \	1011	int req_pri = next_pri; \
883	next_pri = DEFAULT_PRI + PRI_BIAS; \	1012	next_pri = DEFAULT_PRI + PRI_BIAS; \
884	\	1013	\
885	if (SvOK (callback) && !SvROK (callback)) \	1014	if (callback && SvOK (callback)) \
886	croak ("callback must be undef or of reference type"); \	1015	croak ("callback has illegal type or extra arguments"); \
887	\	1016	\
888	Newz (0, req, 1, aio_cb); \	1017	Newz (0, req, 1, bdb_cb); \
889	if (!req) \	1018	if (!req) \
890	croak ("out of memory during aio_req allocation"); \	1019	croak ("out of memory during bdb_req allocation"); \
891	\	1020	\
892	req->callback = newSVsv (callback); \	1021	req->callback = SvREFCNT_inc (cb); \
893	req->type = (reqtype); \	1022	req->type = (reqtype); \
894	req->pri = req_pri	1023	req->pri = req_pri; \
		1024	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1025	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1026	(void)0;
895		1027
896	#define REQ_SEND \	1028	#define REQ_SEND \
897	req_send (req)	1029	req_send (req)
898		1030
899	#define SvPTR(var, arg, type, class, nullok) \	1031	#define SvPTR(var, arg, type, stash, class, nullok) \
900	if (!SvOK (arg)) \	1032	if (!SvOK (arg)) \
901	{ \	1033	{ \
902	if (!nullok) \	1034	if (nullok != 1) \
903	croak (# var " must be a " # class " object, not undef"); \	1035	croak (# var " must be a " # class " object, not undef"); \
904	\	1036	\
905	(var) = 0; \	1037	(var) = 0; \
906	} \	1038	} \
907	else if (sv_derived_from ((arg), # class)) \	1039	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
908	{ \	1040	{ \
909	IV tmp = SvIV ((SV*) SvRV (arg)); \	1041	IV tmp = SvIV ((SV*) SvRV (arg)); \
910	(var) = INT2PTR (type, tmp); \	1042	(var) = INT2PTR (type, tmp); \
911	if (!var) \	1043	if (!var && nullok != 2) \
912	croak (# var " is not a valid " # class " object anymore"); \	1044	croak (# var " is not a valid " # class " object anymore"); \
913	} \	1045	} \
914	else \	1046	else \
915	croak (# var " is not of type " # class); \	1047	croak (# var " is not of type " # class);
916	\	1048
		1049	#define ARG_MUTABLE(name) \
		1050	if (SvREADONLY (name)) \
		1051	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1052
		1053	static SV *
		1054	newSVptr (void ptr, HV stash)
		1055	{
		1056	SV *rv = NEWSV (0, 0);
		1057	sv_upgrade (rv, SVt_PVMG);
		1058	sv_setiv (rv, PTR2IV (ptr));
		1059
		1060	return sv_bless (newRV_noinc (rv), stash);
		1061	}
917		1062
918	static void	1063	static void
919	ptr_nuke (SV *sv)	1064	ptr_nuke (SV *sv)
920	{	1065	{
921	assert (SvROK (sv));	1066	assert (SvROK (sv));
922	sv_setiv (SvRV (sv), 0);	1067	sv_setiv (SvRV (sv), 0);
923	}	1068	}
924		1069
		1070	static int
		1071	errno_get (pTHX_ SV sv, MAGIC mg)
		1072	{
		1073	if (*mg->mg_ptr == '!') // should always be the case
		1074	if (-30999 <= errno && errno <= -30800)
		1075	{
		1076	sv_setnv (sv, (NV)errno);
		1077	sv_setpv (sv, db_strerror (errno));
		1078	SvNOK_on (sv); /* what a wonderful hack! */
		1079	// ^^^ copied from perl sources
		1080	return 0;
		1081	}
		1082
		1083	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1084	}
		1085
		1086	static MGVTBL vtbl_errno;
		1087
		1088	// this wonderful hack :( patches perl's $! variable to support our errno values
		1089	static void
		1090	patch_errno (void)
		1091	{
		1092	SV *sv;
		1093	MAGIC *mg;
		1094
		1095	if (!(sv = get_sv ("!", 1)))
		1096	return;
		1097
		1098	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1099	return;
		1100
		1101	if (mg->mg_virtual != &PL_vtbl_sv)
		1102	return;
		1103
		1104	vtbl_errno = PL_vtbl_sv;
		1105	vtbl_errno.svt_get = errno_get;
		1106	mg->mg_virtual = &vtbl_errno;
		1107	}
		1108
		1109	#if __GNUC__ >= 4
		1110	# define noinline __attribute__ ((noinline))
		1111	#else
		1112	# define noinline
		1113	#endif
		1114
		1115	static noinline SV *
		1116	pop_callback (I32 ritems, SV sv)
		1117	{
		1118	if (SvROK (sv))
		1119	{
		1120	HV *st;
		1121	GV *gvp;
		1122	CV *cv;
		1123	const char *name;
		1124
		1125	/* forgive me */
		1126	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1127	&& (st = SvSTASH (SvRV (sv)))
		1128	&& (name = HvNAME_get (st))
		1129	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1130	return 0;
		1131
		1132	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1133	{
		1134	--*ritems;
		1135	return (SV *)cv;
		1136	}
		1137	}
		1138
		1139	return 0;
		1140	}
		1141
		1142	/*****************************************************************************/
		1143
		1144	#if 0
		1145	static int
		1146	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1151	size1 <= size2 ? size1 : size2);
		1152
		1153	if (res)
		1154	return res;
		1155	else if (size1 - size2)
		1156	return size1 - size2;
		1157	else
		1158	return 0;
		1159	}
		1160
		1161	static size_t
		1162	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1163	{
		1164	ssize_t size1 = dbt1->size;
		1165	ssize_t size2 = dbt2->size;
		1166	u_int8_t p1 = (u_int8_t )dbt1->data;
		1167	u_int8_t p2 = (u_int8_t )dbt2->data;
		1168	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1169
		1170	while (p1 < pe)
		1171	if (p1++ != p2++)
		1172	return p1 - (u_int8_t *)dbt1->data - 1;
		1173
		1174	if (size1 < size2) return size1 + 1;
		1175	if (size1 > size2) return size2 + 1;
		1176
		1177	return size1;
		1178	}
		1179	#endif
		1180
		1181	/*****************************************************************************/
		1182
		1183	/* stupid windows defines CALLBACK as well */
		1184	#undef CALLBACK
		1185	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1186
925	MODULE = BDB PACKAGE = BDB	1187	MODULE = BDB PACKAGE = BDB
926		1188
927	PROTOTYPES: ENABLE	1189	PROTOTYPES: ENABLE
928		1190
929	BOOT:	1191	BOOT:
930	{	1192	{
931	HV *stash = gv_stashpv ("BDB", 1);
932
933	static const struct {	1193	static const struct {
934	const char *name;	1194	const char *name;
935	IV iv;	1195	IV iv;
936	} *civ, const_iv[] = {	1196	} *civ, const_iv[] = {
937	#define const_iv(name) { # name, (IV)DB_ ## name },	1197	#define const_iv(name) { # name, (IV)DB_ ## name },
…		…
944	const_iv (INIT_TXN)	1204	const_iv (INIT_TXN)
945	const_iv (RECOVER)	1205	const_iv (RECOVER)
946	const_iv (INIT_TXN)	1206	const_iv (INIT_TXN)
947	const_iv (RECOVER_FATAL)	1207	const_iv (RECOVER_FATAL)
948	const_iv (CREATE)	1208	const_iv (CREATE)
		1209	const_iv (RDONLY)
949	const_iv (USE_ENVIRON)	1210	const_iv (USE_ENVIRON)
950	const_iv (USE_ENVIRON_ROOT)	1211	const_iv (USE_ENVIRON_ROOT)
951	const_iv (LOCKDOWN)	1212	const_iv (LOCKDOWN)
952	const_iv (PRIVATE)	1213	const_iv (PRIVATE)
953	const_iv (REGISTER)
954	const_iv (SYSTEM_MEM)	1214	const_iv (SYSTEM_MEM)
955	const_iv (AUTO_COMMIT)	1215	const_iv (AUTO_COMMIT)
956	const_iv (CDB_ALLDB)	1216	const_iv (CDB_ALLDB)
957	const_iv (DIRECT_DB)	1217	const_iv (DIRECT_DB)
958	const_iv (DIRECT_LOG)
959	const_iv (DSYNC_DB)
960	const_iv (DSYNC_LOG)
961	const_iv (LOG_AUTOREMOVE)
962	const_iv (LOG_INMEMORY)
963	const_iv (NOLOCKING)	1218	const_iv (NOLOCKING)
964	const_iv (NOMMAP)	1219	const_iv (NOMMAP)
965	const_iv (NOPANIC)	1220	const_iv (NOPANIC)
966	const_iv (OVERWRITE)	1221	const_iv (OVERWRITE)
967	const_iv (PANIC_ENVIRONMENT)	1222	const_iv (PANIC_ENVIRONMENT)
968	const_iv (REGION_INIT)	1223	const_iv (REGION_INIT)
969	const_iv (TIME_NOTGRANTED)	1224	const_iv (TIME_NOTGRANTED)
970	const_iv (TXN_NOSYNC)	1225	const_iv (TXN_NOSYNC)
		1226	const_iv (TXN_NOT_DURABLE)
971	const_iv (TXN_WRITE_NOSYNC)	1227	const_iv (TXN_WRITE_NOSYNC)
972	const_iv (WRITECURSOR)	1228	const_iv (WRITECURSOR)
973	const_iv (YIELDCPU)	1229	const_iv (YIELDCPU)
974	const_iv (ENCRYPT_AES)	1230	const_iv (ENCRYPT_AES)
		1231	#if DB_VERSION_MINOR < 8
975	const_iv (XA_CREATE)	1232	const_iv (XA_CREATE)
		1233	#endif
976	const_iv (BTREE)	1234	const_iv (BTREE)
977	const_iv (HASH)	1235	const_iv (HASH)
978	const_iv (QUEUE)	1236	const_iv (QUEUE)
979	const_iv (RECNO)	1237	const_iv (RECNO)
980	const_iv (UNKNOWN)	1238	const_iv (UNKNOWN)
981	const_iv (EXCL)	1239	const_iv (EXCL)
982	const_iv (READ_COMMITTED)
983	const_iv (READ_UNCOMMITTED)
984	const_iv (TRUNCATE)	1240	const_iv (TRUNCATE)
985	const_iv (NOSYNC)	1241	const_iv (NOSYNC)
986	const_iv (CHKSUM)	1242	const_iv (CHKSUM)
987	const_iv (ENCRYPT)	1243	const_iv (ENCRYPT)
988	const_iv (TXN_NOT_DURABLE)
989	const_iv (DUP)	1244	const_iv (DUP)
990	const_iv (DUPSORT)	1245	const_iv (DUPSORT)
991	const_iv (RECNUM)	1246	//const_iv (RECNUM)
992	const_iv (RENUMBER)	1247	const_iv (RENUMBER)
993	const_iv (REVSPLITOFF)	1248	const_iv (REVSPLITOFF)
994	const_iv (INORDER)
995	const_iv (CONSUME)	1249	const_iv (CONSUME)
996	const_iv (CONSUME_WAIT)	1250	const_iv (CONSUME_WAIT)
997	const_iv (GET_BOTH)	1251	const_iv (GET_BOTH)
998	const_iv (GET_BOTH_RANGE)	1252	const_iv (GET_BOTH_RANGE)
999	//const_iv (SET_RECNO)	1253	//const_iv (SET_RECNO)
1000	//const_iv (MULTIPLE)	1254	//const_iv (MULTIPLE)
1001	const_iv (SNAPSHOT)	1255	const_iv (SNAPSHOT)
1002	const_iv (JOIN_ITEM)	1256	const_iv (JOIN_ITEM)
		1257	const_iv (JOIN_NOSORT)
1003	const_iv (RMW)	1258	const_iv (RMW)
1004		1259
1005	const_iv (NOTFOUND)	1260	const_iv (NOTFOUND)
1006	const_iv (KEYEMPTY)	1261	const_iv (KEYEMPTY)
1007	const_iv (LOCK_DEADLOCK)	1262	const_iv (LOCK_DEADLOCK)
1008	const_iv (LOCK_NOTGRANTED)	1263	const_iv (LOCK_NOTGRANTED)
1009	const_iv (RUNRECOVERY)	1264	const_iv (RUNRECOVERY)
1010	const_iv (OLD_VERSION)	1265	const_iv (OLD_VERSION)
1011	const_iv (REP_HANDLE_DEAD)	1266	const_iv (REP_HANDLE_DEAD)
1012	const_iv (REP_LOCKOUT)
1013	const_iv (SECONDARY_BAD)	1267	const_iv (SECONDARY_BAD)
1014
1015	const_iv (FREE_SPACE)
1016	const_iv (FREELIST_ONLY)
1017		1268
1018	const_iv (APPEND)	1269	const_iv (APPEND)
1019	const_iv (NODUPDATA)	1270	const_iv (NODUPDATA)
1020	const_iv (NOOVERWRITE)	1271	const_iv (NOOVERWRITE)
1021		1272
…		…
1023	const_iv (TXN_SYNC)	1274	const_iv (TXN_SYNC)
1024		1275
1025	const_iv (SET_LOCK_TIMEOUT)	1276	const_iv (SET_LOCK_TIMEOUT)
1026	const_iv (SET_TXN_TIMEOUT)	1277	const_iv (SET_TXN_TIMEOUT)
1027		1278
1028	const_iv (JOIN_ITEM)
1029	const_iv (FIRST)	1279	const_iv (FIRST)
1030	const_iv (NEXT)	1280	const_iv (NEXT)
1031	const_iv (NEXT_DUP)	1281	const_iv (NEXT_DUP)
1032	const_iv (NEXT_NODUP)	1282	const_iv (NEXT_NODUP)
1033	const_iv (PREV)	1283	const_iv (PREV)
…		…
1045	const_iv (FORCE)	1295	const_iv (FORCE)
1046		1296
1047	const_iv (LOCK_DEFAULT)	1297	const_iv (LOCK_DEFAULT)
1048	const_iv (LOCK_EXPIRE)	1298	const_iv (LOCK_EXPIRE)
1049	const_iv (LOCK_MAXLOCKS)	1299	const_iv (LOCK_MAXLOCKS)
1050	const_iv (LOCK_MAXWRITE)
1051	const_iv (LOCK_MINLOCKS)	1300	const_iv (LOCK_MINLOCKS)
1052	const_iv (LOCK_MINWRITE)	1301	const_iv (LOCK_MINWRITE)
1053	const_iv (LOCK_OLDEST)	1302	const_iv (LOCK_OLDEST)
1054	const_iv (LOCK_RANDOM)	1303	const_iv (LOCK_RANDOM)
1055	const_iv (LOCK_YOUNGEST)	1304	const_iv (LOCK_YOUNGEST)
1056		1305
1057	const_iv (SEQ_DEC)
1058	const_iv (SEQ_INC)
1059	const_iv (SEQ_WRAP)
1060
1061	const_iv (BUFFER_SMALL)
1062	const_iv (DONOTINDEX)	1306	const_iv (DONOTINDEX)
1063	const_iv (KEYEMPTY )	1307	const_iv (KEYEMPTY)
1064	const_iv (KEYEXIST )	1308	const_iv (KEYEXIST)
1065	const_iv (LOCK_DEADLOCK)	1309	const_iv (LOCK_DEADLOCK)
1066	const_iv (LOCK_NOTGRANTED)	1310	const_iv (LOCK_NOTGRANTED)
1067	const_iv (LOG_BUFFER_FULL)
1068	const_iv (NOSERVER)	1311	const_iv (NOSERVER)
1069	const_iv (NOSERVER_HOME)	1312	const_iv (NOSERVER_HOME)
1070	const_iv (NOSERVER_ID)	1313	const_iv (NOSERVER_ID)
1071	const_iv (NOTFOUND)	1314	const_iv (NOTFOUND)
1072	const_iv (OLD_VERSION)
1073	const_iv (PAGE_NOTFOUND)	1315	const_iv (PAGE_NOTFOUND)
1074	const_iv (REP_DUPMASTER)	1316	const_iv (REP_DUPMASTER)
1075	const_iv (REP_HANDLE_DEAD)	1317	const_iv (REP_HANDLE_DEAD)
1076	const_iv (REP_HOLDELECTION)	1318	const_iv (REP_HOLDELECTION)
1077	const_iv (REP_IGNORE)
1078	const_iv (REP_ISPERM)	1319	const_iv (REP_ISPERM)
1079	const_iv (REP_JOIN_FAILURE)
1080	const_iv (REP_LOCKOUT)
1081	const_iv (REP_NEWMASTER)	1320	const_iv (REP_NEWMASTER)
1082	const_iv (REP_NEWSITE)	1321	const_iv (REP_NEWSITE)
1083	const_iv (REP_NOTPERM)	1322	const_iv (REP_NOTPERM)
1084	const_iv (REP_UNAVAIL)	1323	const_iv (REP_UNAVAIL)
1085	const_iv (RUNRECOVERY)	1324	const_iv (RUNRECOVERY)
1086	const_iv (SECONDARY_BAD)	1325	const_iv (SECONDARY_BAD)
1087	const_iv (VERIFY_BAD)	1326	const_iv (VERIFY_BAD)
1088	const_iv (VERSION_MISMATCH)	1327
		1328	const_iv (SALVAGE)
		1329	const_iv (AGGRESSIVE)
		1330	const_iv (PRINTABLE)
		1331	const_iv (NOORDERCHK)
		1332	const_iv (ORDERCHKONLY)
		1333
		1334	const_iv (ARCH_ABS)
		1335	const_iv (ARCH_DATA)
		1336	const_iv (ARCH_LOG)
		1337	const_iv (ARCH_REMOVE)
1089		1338
1090	const_iv (VERB_DEADLOCK)	1339	const_iv (VERB_DEADLOCK)
1091	const_iv (VERB_RECOVERY)	1340	const_iv (VERB_RECOVERY)
1092	const_iv (VERB_REGISTER)
1093	const_iv (VERB_REPLICATION)	1341	const_iv (VERB_REPLICATION)
1094	const_iv (VERB_WAITSFOR)	1342	const_iv (VERB_WAITSFOR)
1095		1343
1096	const_iv (VERSION_MAJOR)	1344	const_iv (VERSION_MAJOR)
1097	const_iv (VERSION_MINOR)	1345	const_iv (VERSION_MINOR)
1098	const_iv (VERSION_PATCH)	1346	const_iv (VERSION_PATCH)
		1347	const_iv (LOGVERSION)
		1348	const_iv (LOGOLDVER)
		1349	#if DB_VERSION_MINOR >= 3
		1350	const_iv (INORDER)
		1351	const_iv (LOCK_MAXWRITE)
		1352	const_iv (SEQ_DEC)
		1353	const_iv (SEQ_INC)
		1354	const_iv (SEQ_WRAP)
		1355	const_iv (BUFFER_SMALL)
		1356	const_iv (LOG_BUFFER_FULL)
		1357	const_iv (VERSION_MISMATCH)
		1358	#endif
		1359	#if DB_VERSION_MINOR >= 4
		1360	const_iv (REGISTER)
		1361	const_iv (DSYNC_DB)
		1362	const_iv (READ_COMMITTED)
		1363	const_iv (READ_UNCOMMITTED)
		1364	const_iv (REP_IGNORE)
		1365	const_iv (REP_LOCKOUT)
		1366	const_iv (REP_JOIN_FAILURE)
		1367	const_iv (FREE_SPACE)
		1368	const_iv (FREELIST_ONLY)
		1369	const_iv (VERB_REGISTER)
		1370	#endif
1099	#if DB_VERSION_MINOR >= 5	1371	#if DB_VERSION_MINOR >= 5
1100	const_iv (MULTIVERSION)	1372	const_iv (MULTIVERSION)
1101	const_iv (TXN_SNAPSHOT)	1373	const_iv (TXN_SNAPSHOT)
1102	#endif	1374	#endif
1103	#if DB_VERSION_MINOR >= 6	1375	#if DB_VERSION_MINOR >= 6
1104	const_iv (PREV_DUP)	1376	const_iv (PREV_DUP)
1105	# if 0
1106	const_iv (PRIORITY_UNCHANGED)	1377	const_iv (PRIORITY_UNCHANGED)
1107	const_iv (PRIORITY_VERY_LOW)	1378	const_iv (PRIORITY_VERY_LOW)
1108	const_iv (PRIORITY_LOW)	1379	const_iv (PRIORITY_LOW)
1109	const_iv (PRIORITY_DEFAULT)	1380	const_iv (PRIORITY_DEFAULT)
1110	const_iv (PRIORITY_HIGH)	1381	const_iv (PRIORITY_HIGH)
1111	const_iv (PRIORITY_VERY_HIGH)	1382	const_iv (PRIORITY_VERY_HIGH)
		1383	const_iv (IGNORE_LEASE)
		1384	#endif
		1385	#if DB_VERSION_MINOR >= 7
		1386	//const_iv (MULTIPLE_KEY)
		1387	const_iv (LOG_DIRECT)
		1388	const_iv (LOG_DSYNC)
		1389	const_iv (LOG_AUTO_REMOVE)
		1390	const_iv (LOG_IN_MEMORY)
		1391	const_iv (LOG_ZERO)
		1392	#else
		1393	const_iv (DIRECT_LOG)
		1394	const_iv (LOG_AUTOREMOVE)
		1395	# if DB_VERSION_MINOR >= 3
		1396	const_iv (DSYNC_LOG)
		1397	const_iv (LOG_INMEMORY)
1112	# endif	1398	# endif
		1399	#if DB_VERSION_MINOR >= 8
		1400	const_iv (LOGVERSION_LATCHING)
		1401	#endif
1113	#endif	1402	#endif
1114	};	1403	};
1115		1404
		1405	bdb_stash = gv_stashpv ("BDB" , 1);
		1406	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1407	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1408	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1409	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1410	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1411
1116	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1412	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1117	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1413	newCONSTSUB (bdb_stash, (char *)civ->name, newSViv (civ->iv));
1118		1414
1119	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1415	prepare_cb = &PL_sv_undef;
		1416
		1417	{
		1418	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1419	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1420
		1421	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1422	}
		1423
1120	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1424	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1121		1425
1122	create_pipe (respipe);	1426	create_respipe ();
1123		1427
1124	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1428	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1125	#ifdef _WIN32	1429	patch_errno ();
1126	X_MUTEX_CHECK (wrklock);
1127	X_MUTEX_CHECK (reslock);
1128	X_MUTEX_CHECK (reqlock);
1129
1130	X_COND_CHECK (reqwait);
1131	#endif
1132	}	1430	}
1133		1431
1134	void	1432	void
1135	max_poll_reqs (int nreqs)	1433	max_poll_reqs (int nreqs)
1136	PROTOTYPE: $	1434	PROTOTYPE: $
…		…
1209		1507
1210	int	1508	int
1211	poll_fileno ()	1509	poll_fileno ()
1212	PROTOTYPE:	1510	PROTOTYPE:
1213	CODE:	1511	CODE:
1214	RETVAL = respipe [0];	1512	RETVAL = s_epipe_fd (&respipe);
1215	OUTPUT:	1513	OUTPUT:
1216	RETVAL	1514	RETVAL
1217		1515
1218	int	1516	int
1219	poll_cb (...)	1517	poll_cb (...)
…		…
1261	RETVAL = started;	1559	RETVAL = started;
1262	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1560	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1263	OUTPUT:	1561	OUTPUT:
1264	RETVAL	1562	RETVAL
1265		1563
1266	void	1564	SV *
1267	set_sync_prepare (SV *cb)	1565	set_sync_prepare (SV *cb)
1268	PROTOTYPE: &	1566	PROTOTYPE: &
1269	CODE:	1567	CODE:
1270	SvREFCNT_dec (prepare_cb);	1568	RETVAL = prepare_cb;
1271	prepare_cb = newSVsv (cb);	1569	prepare_cb = newSVsv (cb);
		1570	OUTPUT:
		1571	RETVAL
1272		1572
1273	char *	1573	char *
1274	strerror (int errorno = errno)	1574	strerror (int errorno = errno)
1275	PROTOTYPE: ;$	1575	PROTOTYPE: ;$
1276	CODE:	1576	CODE:
1277	RETVAL = db_strerror (errorno);	1577	RETVAL = db_strerror (errorno);
1278	OUTPUT:	1578	OUTPUT:
1279	RETVAL	1579	RETVAL
1280		1580
		1581	void _on_next_submit (SV *cb)
		1582	CODE:
		1583	SvREFCNT_dec (on_next_submit);
		1584	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1585
1281	DB_ENV *	1586	DB_ENV *
1282	db_env_create (U32 env_flags = 0)	1587	db_env_create (U32 env_flags = 0)
1283	CODE:	1588	CODE:
1284	{	1589	{
1285	errno = db_env_create (&RETVAL, env_flags);	1590	errno = db_env_create (&RETVAL, env_flags);
…		…
1294	}	1599	}
1295	OUTPUT:	1600	OUTPUT:
1296	RETVAL	1601	RETVAL
1297		1602
1298	void	1603	void
1299	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1604	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1605	PREINIT:
		1606	CALLBACK
1300	CODE:	1607	CODE:
1301	{	1608	{
1302	dREQ (REQ_ENV_OPEN);	1609	dREQ (REQ_ENV_OPEN, 1);
1303
1304	env->set_thread_count (env, wanted + 2);
1305
1306	req->env = env;	1610	req->env = env;
1307	req->uint1 = open_flags \| DB_THREAD;	1611	req->uint1 = open_flags \| DB_THREAD;
1308	req->int1 = mode;	1612	req->int1 = mode;
1309	req->buf1 = strdup_ornull (db_home);	1613	req->buf1 = strdup_ornull (db_home);
1310	REQ_SEND;	1614	REQ_SEND;
1311	}	1615	}
1312		1616
1313	void	1617	void
1314	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1618	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1619	PREINIT:
		1620	CALLBACK
1315	CODE:	1621	CODE:
1316	{	1622	{
1317	dREQ (REQ_ENV_CLOSE);	1623	dREQ (REQ_ENV_CLOSE, 0);
		1624	ptr_nuke (ST (0));
1318	req->env = env;	1625	req->env = env;
1319	req->uint1 = flags;	1626	req->uint1 = flags;
1320	REQ_SEND;	1627	REQ_SEND;
1321	ptr_nuke (ST (0));
1322	}	1628	}
1323		1629
1324	void	1630	void
1325	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1631	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1632	PREINIT:
		1633	CALLBACK
1326	CODE:	1634	CODE:
1327	{	1635	{
1328	dREQ (REQ_ENV_TXN_CHECKPOINT);	1636	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1329	req->env = env;	1637	req->env = env;
1330	req->uint1 = kbyte;	1638	req->uint1 = kbyte;
1331	req->int1 = min;	1639	req->int1 = min;
1332	req->uint2 = flags;	1640	req->uint2 = flags;
1333	REQ_SEND;	1641	REQ_SEND;
1334	}	1642	}
1335		1643
1336	void	1644	void
1337	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1645	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1646	PREINIT:
		1647	CALLBACK
1338	CODE:	1648	CODE:
1339	{	1649	{
1340	dREQ (REQ_ENV_LOCK_DETECT);	1650	dREQ (REQ_ENV_LOCK_DETECT, 1);
1341	req->env = env;	1651	req->env = env;
1342	req->uint1 = flags;	1652	req->uint1 = flags;
1343	req->uint2 = atype;	1653	req->uint2 = atype;
		1654	/* req->int2 = 0; dummy */
1344	REQ_SEND;	1655	REQ_SEND;
1345	}	1656	}
1346		1657
1347	void	1658	void
1348	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1659	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1660	PREINIT:
		1661	CALLBACK
1349	CODE:	1662	CODE:
1350	{	1663	{
1351	dREQ (REQ_ENV_MEMP_SYNC);	1664	dREQ (REQ_ENV_MEMP_SYNC, 1);
1352	req->env = env;	1665	req->env = env;
1353	REQ_SEND;	1666	REQ_SEND;
1354	}	1667	}
1355		1668
1356	void	1669	void
1357	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1670	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1671	PREINIT:
		1672	CALLBACK
1358	CODE:	1673	CODE:
1359	{	1674	{
1360	dREQ (REQ_ENV_MEMP_TRICKLE);	1675	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1361	req->env = env;	1676	req->env = env;
1362	req->int1 = percent;	1677	req->int1 = percent;
1363	REQ_SEND;	1678	REQ_SEND;
1364	}	1679	}
1365		1680
		1681	void
		1682	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1683	PREINIT:
		1684	CALLBACK
		1685	CODE:
		1686	{
		1687	dREQ (REQ_ENV_DBREMOVE, 2);
		1688	req->env = env;
		1689	req->buf1 = strdup_ornull (file);
		1690	req->buf2 = strdup_ornull (database);
		1691	req->uint1 = flags;
		1692	REQ_SEND;
		1693	}
		1694
		1695	void
		1696	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)
		1697	PREINIT:
		1698	CALLBACK
		1699	CODE:
		1700	{
		1701	dREQ (REQ_ENV_DBRENAME, 2);
		1702	req->env = env;
		1703	req->buf1 = strdup_ornull (file);
		1704	req->buf2 = strdup_ornull (database);
		1705	req->buf3 = strdup_ornull (newname);
		1706	req->uint1 = flags;
		1707	REQ_SEND;
		1708	}
		1709
		1710	void
		1711	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1712	PREINIT:
		1713	CALLBACK
		1714	CODE:
		1715	{
		1716	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1717	req->sv1 = SvREFCNT_inc (listp);
		1718	req->env = env;
		1719	req->uint1 = flags;
		1720	REQ_SEND;
		1721	}
1366		1722
1367	DB *	1723	DB *
1368	db_create (DB_ENV *env = 0, U32 flags = 0)	1724	db_create (DB_ENV *env = 0, U32 flags = 0)
1369	CODE:	1725	CODE:
1370	{	1726	{
…		…
1377	}	1733	}
1378	OUTPUT:	1734	OUTPUT:
1379	RETVAL	1735	RETVAL
1380		1736
1381	void	1737	void
1382	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1738	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1739	PREINIT:
		1740	CALLBACK
1383	CODE:	1741	CODE:
1384	{	1742	{
1385	dREQ (REQ_DB_OPEN);	1743	dREQ (REQ_DB_OPEN, 2);
1386	req->db = db;	1744	req->db = db;
1387	req->txn = txnid;	1745	req->txn = txnid;
1388	req->buf1 = strdup_ornull (file);	1746	req->buf1 = strdup_ornull (file);
1389	req->buf2 = strdup_ornull (database);	1747	req->buf2 = strdup_ornull (database);
1390	req->int1 = type;	1748	req->int1 = type;
…		…
1392	req->int2 = mode;	1750	req->int2 = mode;
1393	REQ_SEND;	1751	REQ_SEND;
1394	}	1752	}
1395		1753
1396	void	1754	void
1397	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1755	db_close (DB db, U32 flags = 0, SV callback = 0)
		1756	PREINIT:
		1757	CALLBACK
1398	CODE:	1758	CODE:
1399	{	1759	{
1400	dREQ (REQ_DB_CLOSE);	1760	dREQ (REQ_DB_CLOSE, 0);
		1761	ptr_nuke (ST (0));
1401	req->db = db;	1762	req->db = db;
1402	req->uint1 = flags;	1763	req->uint1 = flags;
1403	req->sv1 = (SV *)db->app_private;	1764	req->sv1 = (SV *)db->app_private;
1404	REQ_SEND;	1765	REQ_SEND;
1405	ptr_nuke (ST (0));
1406	}	1766	}
1407		1767
		1768	#if DB_VERSION_MINOR >= 4
		1769
1408	void	1770	void
1409	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)	1771	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)
		1772	PREINIT:
		1773	CALLBACK
1410	CODE:	1774	CODE:
1411	{	1775	{
1412	dREQ (REQ_DB_COMPACT);	1776	dREQ (REQ_DB_COMPACT, 2);
1413	req->db = db;	1777	req->db = db;
1414	req->txn = txn;	1778	req->txn = txn;
1415	sv_to_dbt (&req->dbt1, start);	1779	if (start) sv_to_dbt (&req->dbt1, start);
1416	sv_to_dbt (&req->dbt2, stop);	1780	if (stop ) sv_to_dbt (&req->dbt2, stop );
1417	req->uint1 = flags;	1781	req->uint1 = flags;
1418	REQ_SEND;	1782	REQ_SEND;
1419	}	1783	}
1420		1784
		1785	#endif
		1786
1421	void	1787	void
1422	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1788	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1789	PREINIT:
		1790	CALLBACK
1423	CODE:	1791	CODE:
1424	{	1792	{
1425	dREQ (REQ_DB_SYNC);	1793	dREQ (REQ_DB_SYNC, 1);
1426	req->db = db;	1794	req->db = db;
1427	req->uint1 = flags;	1795	req->uint1 = flags;
1428	REQ_SEND;	1796	REQ_SEND;
1429	}	1797	}
1430		1798
1431	void	1799	void
		1800	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1801	PREINIT:
		1802	CALLBACK
		1803	CODE:
		1804	{
		1805	dREQ (REQ_DB_VERIFY, 1);
		1806	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1807	req->db = db;
		1808	req->buf1 = strdup (file);
		1809	req->buf2 = strdup_ornull (database);
		1810	req->uint1 = flags;
		1811	REQ_SEND;
		1812	}
		1813
		1814	void
		1815	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1816	PREINIT:
		1817	CALLBACK
		1818	CODE:
		1819	{
		1820	dREQ (REQ_DB_UPGRADE, 1);
		1821	req->db = db;
		1822	req->buf1 = strdup (file);
		1823	req->uint1 = flags;
		1824	REQ_SEND;
		1825	}
		1826
		1827	void
1432	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1828	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
1433	CODE:	1831	CODE:
1434	{	1832	{
1435	dREQ (REQ_DB_KEY_RANGE);	1833	dREQ (REQ_DB_KEY_RANGE, 2);
1436	req->db = db;	1834	req->db = db;
1437	req->txn = txn;	1835	req->txn = txn;
1438	sv_to_dbt (&req->dbt1, key);	1836	sv_to_dbt (&req->dbt1, key);
1439	req->uint1 = flags;	1837	req->uint1 = flags;
1440	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1838	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1441	REQ_SEND;	1839	REQ_SEND;
1442	}	1840	}
1443		1841
1444	void	1842	void
1445	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1843	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1844	PREINIT:
		1845	CALLBACK
1446	CODE:	1846	CODE:
1447	{	1847	{
1448	dREQ (REQ_DB_PUT);	1848	dREQ (REQ_DB_PUT, 2);
1449	req->db = db;	1849	req->db = db;
1450	req->txn = txn;	1850	req->txn = txn;
1451	sv_to_dbt (&req->dbt1, key);	1851	sv_to_dbt (&req->dbt1, key);
1452	sv_to_dbt (&req->dbt2, data);	1852	sv_to_dbt (&req->dbt2, data);
1453	req->uint1 = flags;	1853	req->uint1 = flags;
1454	REQ_SEND;	1854	REQ_SEND;
1455	}	1855	}
1456		1856
		1857	#if DB_VERSION_MINOR >= 6
		1858
1457	void	1859	void
		1860	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1861	PREINIT:
		1862	CALLBACK
		1863	CODE:
		1864	{
		1865	dREQ (REQ_DB_EXISTS, 2);
		1866	req->db = db;
		1867	req->txn = txn;
		1868	req->uint1 = flags;
		1869	sv_to_dbt (&req->dbt1, key);
		1870	REQ_SEND;
		1871	}
		1872
		1873	#endif
		1874
		1875	void
1458	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1876	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1877	PREINIT:
		1878	CALLBACK
1459	CODE:	1879	CODE:
1460	{	1880	{
		1881	//TODO: key is somtimesmutable
1461	dREQ (REQ_DB_GET);	1882	dREQ (REQ_DB_GET, 2);
1462	req->db = db;	1883	req->db = db;
1463	req->txn = txn;	1884	req->txn = txn;
1464	req->uint1 = flags;	1885	req->uint1 = flags;
1465	sv_to_dbt (&req->dbt1, key);	1886	sv_to_dbt (&req->dbt1, key);
1466	req->dbt3.flags = DB_DBT_MALLOC;	1887	req->dbt3.flags = DB_DBT_MALLOC;
1467	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1888	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1468	REQ_SEND;	1889	REQ_SEND;
1469	}	1890	}
1470		1891
1471	void	1892	void
1472	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1893	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1894	PREINIT:
		1895	CALLBACK
1473	CODE:	1896	CODE:
1474	{	1897	{
		1898	//TODO: key is somtimesmutable
1475	dREQ (REQ_DB_PGET);	1899	dREQ (REQ_DB_PGET, 2);
		1900	req->db = db;
		1901	req->txn = txn;
		1902	req->uint1 = flags;
		1903
		1904	sv_to_dbt (&req->dbt1, key);
		1905
		1906	req->dbt2.flags = DB_DBT_MALLOC;
		1907	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1908
		1909	req->dbt3.flags = DB_DBT_MALLOC;
		1910	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1911	REQ_SEND;
		1912	}
		1913
		1914	void
		1915	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1916	PREINIT:
		1917	CALLBACK
		1918	CODE:
		1919	{
		1920	dREQ (REQ_DB_DEL, 2);
1476	req->db = db;	1921	req->db = db;
1477	req->txn = txn;	1922	req->txn = txn;
1478	req->uint1 = flags;	1923	req->uint1 = flags;
1479	sv_to_dbt (&req->dbt1, key);	1924	sv_to_dbt (&req->dbt1, key);
1480	sv_to_dbt (&req->dbt2, pkey);
1481	req->dbt3.flags = DB_DBT_MALLOC;
1482	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1483	REQ_SEND;	1925	REQ_SEND;
1484	}	1926	}
1485		1927
1486	void	1928	void
1487	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1929	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1930	PREINIT:
		1931	CALLBACK
1488	CODE:	1932	CODE:
1489	{	1933	{
1490	dREQ (REQ_DB_DEL);	1934	dREQ (REQ_TXN_COMMIT, 0);
1491	req->db = db;	1935	ptr_nuke (ST (0));
1492	req->txn = txn;	1936	req->txn = txn;
1493	req->uint1 = flags;	1937	req->uint1 = flags;
1494	sv_to_dbt (&req->dbt1, key);
1495	REQ_SEND;	1938	REQ_SEND;
1496	}	1939	}
1497		1940
1498	void	1941	void
1499	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1942	db_txn_abort (DB_TXN txn, SV callback = 0)
		1943	PREINIT:
		1944	CALLBACK
1500	CODE:	1945	CODE:
1501	{	1946	{
1502	dREQ (REQ_TXN_COMMIT);	1947	dREQ (REQ_TXN_ABORT, 0);
		1948	ptr_nuke (ST (0));
		1949	req->txn = txn;
		1950	REQ_SEND;
		1951	}
		1952
		1953	void
		1954	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1955	PREINIT:
		1956	CALLBACK
		1957	CODE:
		1958	{
		1959	dREQ (REQ_TXN_FINISH, 0);
		1960	ptr_nuke (ST (0));
1503	req->txn = txn;	1961	req->txn = txn;
1504	req->uint1 = flags;	1962	req->uint1 = flags;
1505	REQ_SEND;	1963	REQ_SEND;
		1964	}
		1965
		1966	void
		1967	db_c_close (DBC dbc, SV callback = 0)
		1968	PREINIT:
		1969	CALLBACK
		1970	CODE:
		1971	{
		1972	dREQ (REQ_C_CLOSE, 0);
1506	ptr_nuke (ST (0));	1973	ptr_nuke (ST (0));
1507	}
1508
1509	void
1510	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1511	CODE:
1512	{
1513	dREQ (REQ_TXN_ABORT);
1514	req->txn = txn;
1515	REQ_SEND;
1516	ptr_nuke (ST (0));
1517	}
1518
1519	void
1520	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
1521	CODE:
1522	{
1523	dREQ (REQ_TXN_FINISH);
1524	req->txn = txn;
1525	req->uint1 = flags;
1526	REQ_SEND;
1527	ptr_nuke (ST (0));
1528	}
1529
1530	void
1531	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1532	CODE:
1533	{
1534	dREQ (REQ_C_CLOSE);
1535	req->dbc = dbc;	1974	req->dbc = dbc;
1536	REQ_SEND;	1975	REQ_SEND;
1537	ptr_nuke (ST (0));
1538	}	1976	}
1539		1977
1540	void	1978	void
1541	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	1979	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		1980	PREINIT:
		1981	CALLBACK
1542	CODE:	1982	CODE:
1543	{	1983	{
1544	dREQ (REQ_C_COUNT);	1984	dREQ (REQ_C_COUNT, 1);
1545	req->dbc = dbc;	1985	req->dbc = dbc;
1546	req->sv1 = SvREFCNT_inc (count);	1986	req->sv1 = SvREFCNT_inc (count);
1547	REQ_SEND;	1987	REQ_SEND;
1548	}	1988	}
1549		1989
1550	void	1990	void
1551	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1991	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		1992	PREINIT:
		1993	CALLBACK
1552	CODE:	1994	CODE:
1553	{	1995	{
1554	dREQ (REQ_C_PUT);	1996	dREQ (REQ_C_PUT, 1);
1555	req->dbc = dbc;	1997	req->dbc = dbc;
1556	sv_to_dbt (&req->dbt1, key);	1998	sv_to_dbt (&req->dbt1, key);
1557	sv_to_dbt (&req->dbt2, data);	1999	sv_to_dbt (&req->dbt2, data);
1558	req->uint1 = flags;	2000	req->uint1 = flags;
1559	REQ_SEND;	2001	REQ_SEND;
1560	}	2002	}
1561		2003
1562	void	2004	void
1563	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2005	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		2006	PREINIT:
		2007	CALLBACK
1564	CODE:	2008	CODE:
1565	{	2009	{
		2010	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2011	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2012	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2013	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2014	"key",
		2015	"BDB::db_c_get");
		2016
		2017	{
1566	dREQ (REQ_C_GET);	2018	dREQ (REQ_C_GET, 1);
		2019	req->dbc = dbc;
		2020	req->uint1 = flags;
		2021	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2022	sv_to_dbt (&req->dbt1, key);
		2023	else
		2024	{
		2025	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2026	sv_to_dbt (&req->dbt1, key);
		2027	else
		2028	req->dbt1.flags = DB_DBT_MALLOC;
		2029
		2030	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2031	}
		2032
		2033	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2034	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2035	sv_to_dbt (&req->dbt3, data);
		2036	else
		2037	req->dbt3.flags = DB_DBT_MALLOC;
		2038
		2039	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2040	REQ_SEND;
		2041	}
		2042	}
		2043
		2044	void
		2045	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		2046	PREINIT:
		2047	CALLBACK
		2048	CODE:
		2049	{
		2050	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2051	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2052	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2053	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2054	"key",
		2055	"BDB::db_c_pget");
		2056
		2057	{
		2058	dREQ (REQ_C_PGET, 1);
		2059	req->dbc = dbc;
		2060	req->uint1 = flags;
		2061	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2062	sv_to_dbt (&req->dbt1, key);
		2063	else
		2064	{
		2065	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2066	sv_to_dbt (&req->dbt1, key);
		2067	else
		2068	req->dbt1.flags = DB_DBT_MALLOC;
		2069
		2070	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2071	}
		2072
		2073	req->dbt2.flags = DB_DBT_MALLOC;
		2074	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2075
		2076	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2077	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2078	sv_to_dbt (&req->dbt3, data);
		2079	else
		2080	req->dbt3.flags = DB_DBT_MALLOC;
		2081
		2082	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2083	REQ_SEND;
		2084	}
		2085	}
		2086
		2087	void
		2088	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2089	PREINIT:
		2090	CALLBACK
		2091	CODE:
		2092	{
		2093	dREQ (REQ_C_DEL, 1);
1567	req->dbc = dbc;	2094	req->dbc = dbc;
1568	req->uint1 = flags;	2095	req->uint1 = flags;
1569	if ((flags & DB_SET) == DB_SET
1570	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1571	sv_to_dbt (&req->dbt1, key);
1572	else
1573	req->dbt1.flags = DB_DBT_MALLOC;
1574
1575	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1576
1577	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1578	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1579	sv_to_dbt (&req->dbt3, data);
1580	else
1581	req->dbt3.flags = DB_DBT_MALLOC;
1582
1583	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1584	REQ_SEND;	2096	REQ_SEND;
1585	}	2097	}
1586		2098
1587	void
1588	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1589	CODE:
1590	{
1591	dREQ (REQ_C_PGET);
1592	req->dbc = dbc;
1593	req->uint1 = flags;
1594	if ((flags & DB_SET) == DB_SET
1595	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1596	sv_to_dbt (&req->dbt1, key);
1597	else
1598	req->dbt1.flags = DB_DBT_MALLOC;
1599		2099
1600	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2100	#if DB_VERSION_MINOR >= 3
1601		2101
1602	req->dbt2.flags = DB_DBT_MALLOC;
1603	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1604
1605	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1606	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1607	sv_to_dbt (&req->dbt3, data);
1608	else
1609	req->dbt3.flags = DB_DBT_MALLOC;
1610
1611	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1612	REQ_SEND;
1613	}
1614
1615	void	2102	void
1616	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1617	CODE:
1618	{
1619	dREQ (REQ_C_DEL);
1620	req->dbc = dbc;
1621	req->uint1 = flags;
1622	REQ_SEND;
1623	}
1624
1625
1626	void
1627	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	2103	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2104	PREINIT:
		2105	CALLBACK
1628	CODE:	2106	CODE:
1629	{	2107	{
1630	dREQ (REQ_SEQ_OPEN);	2108	dREQ (REQ_SEQ_OPEN, 2);
1631	req->seq = seq;	2109	req->seq = seq;
1632	req->txn = txnid;	2110	req->txn = txnid;
1633	req->uint1 = flags \| DB_THREAD;	2111	req->uint1 = flags \| DB_THREAD;
1634	sv_to_dbt (&req->dbt1, key);	2112	sv_to_dbt (&req->dbt1, key);
1635	REQ_SEND;	2113	REQ_SEND;
1636	}	2114	}
1637		2115
1638	void	2116	void
1639	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2117	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2118	PREINIT:
		2119	CALLBACK
1640	CODE:	2120	CODE:
1641	{	2121	{
1642	dREQ (REQ_SEQ_CLOSE);	2122	dREQ (REQ_SEQ_CLOSE, 0);
		2123	ptr_nuke (ST (0));
1643	req->seq = seq;	2124	req->seq = seq;
1644	req->uint1 = flags;	2125	req->uint1 = flags;
1645	REQ_SEND;	2126	REQ_SEND;
1646	ptr_nuke (ST (0));
1647	}	2127	}
1648		2128
1649	void	2129	void
1650	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)	2130	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2131	PREINIT:
		2132	CALLBACK
1651	CODE:	2133	CODE:
1652	{	2134	{
1653	dREQ (REQ_SEQ_GET);	2135	dREQ (REQ_SEQ_GET, 2);
1654	req->seq = seq;	2136	req->seq = seq;
1655	req->txn = txnid;	2137	req->txn = txnid;
1656	req->int1 = delta;	2138	req->int1 = delta;
1657	req->uint1 = flags;	2139	req->uint1 = flags;
1658	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2140	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1659	REQ_SEND;	2141	REQ_SEND;
1660	}	2142	}
1661		2143
1662	void	2144	void
1663	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2145	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2146	PREINIT:
		2147	CALLBACK
1664	CODE:	2148	CODE:
1665	{	2149	{
1666	dREQ (REQ_SEQ_REMOVE);	2150	dREQ (REQ_SEQ_REMOVE, 2);
1667	req->seq = seq;	2151	req->seq = seq;
1668	req->txn = txnid;	2152	req->txn = txnid;
1669	req->uint1 = flags;	2153	req->uint1 = flags;
1670	REQ_SEND;	2154	REQ_SEND;
1671	}	2155	}
1672		2156
		2157	#endif
		2158
1673		2159
1674	MODULE = BDB PACKAGE = BDB::Env	2160	MODULE = BDB PACKAGE = BDB::Env
1675		2161
1676	void	2162	void
1677	DESTROY (DB_ENV_ornull *env)	2163	DESTROY (DB_ENV_ornuked *env)
1678	CODE:	2164	CODE:
1679	if (env)	2165	if (env)
1680	env->close (env, 0);	2166	env->close (env, 0);
1681		2167
1682	int set_data_dir (DB_ENV env, const char dir)	2168	int set_data_dir (DB_ENV env, const char dir)
…		…
1707	CODE:	2193	CODE:
1708	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2194	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1709	OUTPUT:	2195	OUTPUT:
1710	RETVAL	2196	RETVAL
1711		2197
1712	int set_flags (DB_ENV *env, U32 flags, int onoff)	2198	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1713	CODE:	2199	CODE:
1714	RETVAL = env->set_flags (env, flags, onoff);	2200	RETVAL = env->set_flags (env, flags, onoff);
1715	OUTPUT:	2201	OUTPUT:
1716	RETVAL	2202	RETVAL
1717		2203
		2204	#if DB_VERSION_MINOR >= 7
		2205
		2206	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2207	CODE:
		2208	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2209	OUTPUT:
		2210	RETVAL
		2211
		2212	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2213	CODE:
		2214	RETVAL = env->log_set_config (env, flags, onoff);
		2215	OUTPUT:
		2216	RETVAL
		2217
		2218	#endif
		2219
		2220
1718	void set_errfile (DB_ENV env, FILE errfile = 0)	2221	void set_errfile (DB_ENV env, FILE errfile = 0)
1719	CODE:	2222	CODE:
1720	env->set_errfile (env, errfile);	2223	env->set_errfile (env, errfile);
1721		2224
1722	void set_msgfile (DB_ENV env, FILE msgfile = 0)	2225	void set_msgfile (DB_ENV env, FILE msgfile = 0)
1723	CODE:	2226	CODE:
1724	env->set_msgfile (env, msgfile);	2227	env->set_msgfile (env, msgfile);
1725		2228
1726	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2229	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1727	CODE:	2230	CODE:
1728	RETVAL = env->set_verbose (env, which, onoff);	2231	RETVAL = env->set_verbose (env, which, onoff);
1729	OUTPUT:	2232	OUTPUT:
1730	RETVAL	2233	RETVAL
1731		2234
…		…
1792	int set_lg_max (DB_ENV *env, U32 max)	2295	int set_lg_max (DB_ENV *env, U32 max)
1793	CODE:	2296	CODE:
1794	RETVAL = env->set_lg_max (env, max);	2297	RETVAL = env->set_lg_max (env, max);
1795	OUTPUT:	2298	OUTPUT:
1796	RETVAL	2299	RETVAL
		2300
		2301	#if DB_VERSION_MINOR >= 4
		2302
		2303	int mutex_set_max (DB_ENV *env, U32 max)
		2304	CODE:
		2305	RETVAL = env->mutex_set_max (env, max);
		2306	OUTPUT:
		2307	RETVAL
		2308
		2309	int mutex_set_increment (DB_ENV *env, U32 increment)
		2310	CODE:
		2311	RETVAL = env->mutex_set_increment (env, increment);
		2312	OUTPUT:
		2313	RETVAL
		2314
		2315	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2316	CODE:
		2317	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2318	OUTPUT:
		2319	RETVAL
		2320
		2321	int mutex_set_align (DB_ENV *env, U32 align)
		2322	CODE:
		2323	RETVAL = env->mutex_set_align (env, align);
		2324	OUTPUT:
		2325	RETVAL
		2326
		2327	#endif
1797		2328
1798	DB_TXN *	2329	DB_TXN *
1799	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2330	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1800	CODE:	2331	CODE:
1801	errno = env->txn_begin (env, parent, &RETVAL, flags);	2332	errno = env->txn_begin (env, parent, &RETVAL, flags);
1802	if (errno)	2333	if (errno)
1803	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2334	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1804	OUTPUT:	2335	OUTPUT:
1805	RETVAL	2336	RETVAL
1806		2337
		2338	#if DB_VERSION_MINOR >= 5
		2339
		2340	DB_TXN *
		2341	cdsgroup_begin (DB_ENV *env)
		2342	CODE:
		2343	errno = env->cdsgroup_begin (env, &RETVAL);
		2344	if (errno)
		2345	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2346	OUTPUT:
		2347	RETVAL
		2348
		2349	#endif
		2350
1807	MODULE = BDB PACKAGE = BDB::Db	2351	MODULE = BDB PACKAGE = BDB::Db
1808		2352
1809	void	2353	void
1810	DESTROY (DB_ornull *db)	2354	DESTROY (DB_ornuked *db)
1811	CODE:	2355	CODE:
1812	if (db)	2356	if (db)
1813	{	2357	{
1814	SV env = (SV )db->app_private;	2358	SV env = (SV )db->app_private;
1815	db->close (db, 0);	2359	db->close (db, 0);
…		…
1820	CODE:	2364	CODE:
1821	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2365	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1822	OUTPUT:	2366	OUTPUT:
1823	RETVAL	2367	RETVAL
1824		2368
		2369	int set_pagesize (DB *db, U32 pagesize)
		2370	CODE:
		2371	RETVAL = db->set_pagesize (db, pagesize);
		2372	OUTPUT:
		2373	RETVAL
		2374
1825	int set_flags (DB *db, U32 flags)	2375	int set_flags (DB *db, U32 flags)
1826	CODE:	2376	CODE:
1827	RETVAL = db->set_flags (db, flags);	2377	RETVAL = db->set_flags (db, flags);
1828	OUTPUT:	2378	OUTPUT:
1829	RETVAL	2379	RETVAL
…		…
1895	if (errno)	2445	if (errno)
1896	croak ("DB->cursor: %s", db_strerror (errno));	2446	croak ("DB->cursor: %s", db_strerror (errno));
1897	OUTPUT:	2447	OUTPUT:
1898	RETVAL	2448	RETVAL
1899		2449
		2450	#if DB_VERSION_MINOR >= 3
		2451
1900	DB_SEQUENCE *	2452	DB_SEQUENCE *
1901	sequence (DB *db, U32 flags = 0)	2453	sequence (DB *db, U32 flags = 0)
1902	CODE:	2454	CODE:
1903	{	2455	{
1904	errno = db_sequence_create (&RETVAL, db, flags);	2456	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1906	croak ("db_sequence_create: %s", db_strerror (errno));	2458	croak ("db_sequence_create: %s", db_strerror (errno));
1907	}	2459	}
1908	OUTPUT:	2460	OUTPUT:
1909	RETVAL	2461	RETVAL
1910		2462
		2463	#endif
		2464
1911		2465
1912	MODULE = BDB PACKAGE = BDB::Txn	2466	MODULE = BDB PACKAGE = BDB::Txn
1913		2467
1914	void	2468	void
1915	DESTROY (DB_TXN_ornull *txn)	2469	DESTROY (DB_TXN_ornuked *txn)
1916	CODE:	2470	CODE:
1917	if (txn)	2471	if (txn)
1918	txn->abort (txn);	2472	txn->abort (txn);
1919		2473
1920	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)	2474	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
…		…
1931		2485
1932		2486
1933	MODULE = BDB PACKAGE = BDB::Cursor	2487	MODULE = BDB PACKAGE = BDB::Cursor
1934		2488
1935	void	2489	void
1936	DESTROY (DBC_ornull *dbc)	2490	DESTROY (DBC_ornuked *dbc)
1937	CODE:	2491	CODE:
1938	if (dbc)	2492	if (dbc)
1939	dbc->c_close (dbc);	2493	dbc->c_close (dbc);
1940		2494
		2495	#if DB_VERSION_MINOR >= 6
		2496
		2497	int set_priority (DBC *dbc, int priority)
		2498	CODE:
		2499	dbc->set_priority (dbc, priority);
		2500
		2501	#endif
		2502
		2503	#if DB_VERSION_MINOR >= 3
		2504
1941	MODULE = BDB PACKAGE = BDB::Sequence	2505	MODULE = BDB PACKAGE = BDB::Sequence
1942		2506
1943	void	2507	void
1944	DESTROY (DB_SEQUENCE_ornull *seq)	2508	DESTROY (DB_SEQUENCE_ornuked *seq)
1945	CODE:	2509	CODE:
1946	if (seq)	2510	if (seq)
1947	seq->close (seq, 0);	2511	seq->close (seq, 0);
1948		2512
1949	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2513	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1968	CODE:	2532	CODE:
1969	RETVAL = seq->set_range (seq, min, max);	2533	RETVAL = seq->set_range (seq, min, max);
1970	OUTPUT:	2534	OUTPUT:
1971	RETVAL	2535	RETVAL
1972		2536
		2537	#endif
		2538
		2539

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Comparing BDB/BDB.xs (file contents): Revision 1.17 by root, Thu Sep 13 21:34:00 2007 UTC vs. Revision 1.74 by root, Wed Mar 31 00:44:51 2010 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.17 by root, Thu Sep 13 21:34:00 2007 UTC vs.
Revision 1.74 by root, Wed Mar 31 00:44:51 2010 UTC