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

Comparing BDB/BDB.xs (file contents):
Revision 1.23 by root, Fri Dec 7 13:38:54 2007 UTC vs.
Revision 1.79 by root, Tue Feb 2 04:07:06 2016 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	#define DBVER DB_VERSION_MAJOR * 100 + DB_VERSION_MINOR
		37
		38	#if DBVER < 403
33	# error you need Berkeley DB 4.4 or newer installed	39	# error you need Berkeley DB 4.3 or a newer version installed
34	#endif	40	#endif
35		41
36	/* number of seconds after which idle threads exit */	42	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	43	#define IDLE_TIMEOUT 10
		44
		45	typedef SV SV_mutable;
38		46
39	typedef DB_ENV DB_ENV_ornull;	47	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	48	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	49	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	50	typedef DB DB_ornull;
		51
		52	typedef DB_ENV DB_ENV_ornuked;
		53	typedef DB_TXN DB_TXN_ornuked;
		54	typedef DBC DBC_ornuked;
		55	typedef DB DB_ornuked;
		56
		57	#if DBVER >= 403
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	58	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		59	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		60	#endif
44		61
45	typedef SV SV8; /* byte-sv, used for argument-checking */	62	typedef char *bdb_filename;
46	typedef char *octetstring;
47		63
48	static SV *prepare_cb;	64	static SV *prepare_cb;
49		65
50	#if DB_VERSION_MINOR >= 6	66	static HV
		67	*bdb_stash,
		68	*bdb_env_stash,
		69	*bdb_txn_stash,
		70	*bdb_cursor_stash,
		71	*bdb_db_stash,
		72	*bdb_sequence_stash;
		73
		74	#if DBVER >= 406
51	# define c_close close	75	# define c_close close
52	# define c_count count	76	# define c_count count
53	# define c_del del	77	# define c_del del
54	# define c_dup dup	78	# define c_dup dup
55	# define c_get get	79	# define c_get get
56	# define c_pget pget	80	# define c_pget pget
57	# define c_put put	81	# define c_put put
58	#endif	82	#endif
59		83
		84	static char *
		85	get_bdb_filename (SV *sv)
		86	{
		87	if (!SvOK (sv))
		88	return 0;
		89
		90	#if _WIN32
		91	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		92	{
		93	STRLEN len;
		94	char *src = SvPVbyte (sv, len);
		95	SV *t1 = sv_newmortal ();
		96	SV *t2 = sv_newmortal ();
		97
		98	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		99	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		100
		101	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		102	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		103	SvPOK_only (t2);
		104	SvPVX (t2)[len] = 0;
		105	SvCUR_set (t2, len);
		106
		107	return SvPVX (t2);
		108	}
		109	#else
		110	return SvPVbyte_nolen (sv);
		111	#endif
		112	}
		113
60	static void	114	static void
61	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)	115	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
62	{	116	{
63	printf ("err[%s]\n", msg);	117	printf ("err[%s]\n", msg);
64	}	118	}
…		…
91	dbt_to_sv (SV sv, DBT dbt)	145	dbt_to_sv (SV sv, DBT dbt)
92	{	146	{
93	if (sv)	147	if (sv)
94	{	148	{
95	SvREADONLY_off (sv);	149	SvREADONLY_off (sv);
		150
		151	if (dbt->data)
96	sv_setpvn_mg (sv, dbt->data, dbt->size);	152	sv_setpvn_mg (sv, dbt->data, dbt->size);
		153	else
		154	sv_setsv_mg (sv, &PL_sv_undef);
		155
97	SvREFCNT_dec (sv);	156	SvREFCNT_dec (sv);
98	}	157	}
99		158
100	free (dbt->data);	159	free (dbt->data);
101	}	160	}
102		161
103	enum {	162	enum {
104	REQ_QUIT,	163	REQ_QUIT,
105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	164	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	165	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		166	REQ_ENV_LOG_ARCHIVE, REQ_ENV_LSN_RESET,
107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	167	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,	168	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,	169	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,	170	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,	171	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112	};	172	};
113		173
114	typedef struct aio_cb	174	typedef struct bdb_cb
115	{	175	{
116	struct aio_cb *volatile next;	176	struct bdb_cb *volatile next;
117	SV *callback;	177	SV *callback;
118	int type, pri, result;	178	int type, pri, result;
119		179
120	DB_ENV *env;	180	DB_ENV *env;
121	DB *db;	181	DB *db;
…		…
123	DBC *dbc;	183	DBC *dbc;
124		184
125	UV uv1;	185	UV uv1;
126	int int1, int2;	186	int int1, int2;
127	U32 uint1, uint2;	187	U32 uint1, uint2;
128	char buf1, buf2;	188	char buf1, buf2, *buf3;
129	SV sv1, sv2, *sv3;	189	SV sv1, sv2, *sv3;
130		190
131	DBT dbt1, dbt2, dbt3;	191	DBT dbt1, dbt2, dbt3;
132	DB_KEY_RANGE key_range;	192	DB_KEY_RANGE key_range;
		193	#if DBVER >= 403
133	DB_SEQUENCE *seq;	194	DB_SEQUENCE *seq;
134	db_seq_t seq_t;	195	db_seq_t seq_t;
135	} aio_cb;	196	#endif
136		197
		198	SV rsv1, rsv2; // keep some request objects alive
		199	} bdb_cb;
		200
137	typedef aio_cb *aio_req;	201	typedef bdb_cb *bdb_req;
138		202
139	enum {	203	enum {
140	PRI_MIN = -4,	204	PRI_MIN = -4,
141	PRI_MAX = 4,	205	PRI_MAX = 4,
142		206
…		…
145	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	209	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
146	};	210	};
147		211
148	#define AIO_TICKS ((1000000 + 1023) >> 10)	212	#define AIO_TICKS ((1000000 + 1023) >> 10)
149		213
		214	static SV *on_next_submit;
		215
150	static unsigned int max_poll_time = 0;	216	static unsigned int max_poll_time = 0;
151	static unsigned int max_poll_reqs = 0;	217	static unsigned int max_poll_reqs = 0;
152		218
153	/* calculcate time difference in ~1/AIO_TICKS of a second */	219	/* calculcate time difference in ~1/AIO_TICKS of a second */
154	static int tvdiff (struct timeval tv1, struct timeval tv2)	220	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
160	static int next_pri = DEFAULT_PRI + PRI_BIAS;	226	static int next_pri = DEFAULT_PRI + PRI_BIAS;
161		227
162	static unsigned int started, idle, wanted;	228	static unsigned int started, idle, wanted;
163		229
164	/* worker threads management */	230	/* worker threads management */
165	static mutex_t wrklock = X_MUTEX_INIT;	231	static xmutex_t wrklock = X_MUTEX_INIT;
166		232
167	typedef struct worker {	233	typedef struct worker {
168	/* locked by wrklock */	234	/* locked by wrklock */
169	struct worker prev, next;	235	struct worker prev, next;
170		236
171	thread_t tid;	237	xthread_t tid;
172		238
173	/* locked by reslock, reqlock or wrklock */	239	/* locked by reslock, reqlock or wrklock */
174	aio_req req; /* currently processed request */	240	bdb_req req; /* currently processed request */
175	void *dbuf;	241	void *dbuf;
176	DIR *dirp;	242	DIR *dirp;
177	} worker;	243	} worker;
178		244
179	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	245	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
191	}	257	}
192		258
193	static volatile unsigned int nreqs, nready, npending;	259	static volatile unsigned int nreqs, nready, npending;
194	static volatile unsigned int max_idle = 4;	260	static volatile unsigned int max_idle = 4;
195	static volatile unsigned int max_outstanding = 0xffffffff;	261	static volatile unsigned int max_outstanding = 0xffffffff;
196	static int respipe_osf [2], respipe [2] = { -1, -1 };	262	static s_epipe respipe;
197		263
198	static mutex_t reslock = X_MUTEX_INIT;	264	static xmutex_t reslock = X_MUTEX_INIT;
199	static mutex_t reqlock = X_MUTEX_INIT;	265	static xmutex_t reqlock = X_MUTEX_INIT;
200	static cond_t reqwait = X_COND_INIT;	266	static xcond_t reqwait = X_COND_INIT;
201		267
202	#if WORDACCESS_UNSAFE	268	#if WORDACCESS_UNSAFE
203		269
204	static unsigned int get_nready ()	270	static unsigned int get_nready (void)
205	{	271	{
206	unsigned int retval;	272	unsigned int retval;
207		273
208	X_LOCK (reqlock);	274	X_LOCK (reqlock);
209	retval = nready;	275	retval = nready;
210	X_UNLOCK (reqlock);	276	X_UNLOCK (reqlock);
211		277
212	return retval;	278	return retval;
213	}	279	}
214		280
215	static unsigned int get_npending ()	281	static unsigned int get_npending (void)
216	{	282	{
217	unsigned int retval;	283	unsigned int retval;
218		284
219	X_LOCK (reslock);	285	X_LOCK (reslock);
220	retval = npending;	286	retval = npending;
221	X_UNLOCK (reslock);	287	X_UNLOCK (reslock);
222		288
223	return retval;	289	return retval;
224	}	290	}
225		291
226	static unsigned int get_nthreads ()	292	static unsigned int get_nthreads (void)
227	{	293	{
228	unsigned int retval;	294	unsigned int retval;
229		295
230	X_LOCK (wrklock);	296	X_LOCK (wrklock);
231	retval = started;	297	retval = started;
…		…
246	* a somewhat faster data structure might be nice, but	312	* a somewhat faster data structure might be nice, but
247	* with 8 priorities this actually needs <20 insns	313	* with 8 priorities this actually needs <20 insns
248	* per shift, the most expensive operation.	314	* per shift, the most expensive operation.
249	*/	315	*/
250	typedef struct {	316	typedef struct {
251	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	317	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
252	int size;	318	int size;
253	} reqq;	319	} reqq;
254		320
255	static reqq req_queue;	321	static reqq req_queue;
256	static reqq res_queue;	322	static reqq res_queue;
257		323
258	int reqq_push (reqq *q, aio_req req)	324	int reqq_push (reqq *q, bdb_req req)
259	{	325	{
260	int pri = req->pri;	326	int pri = req->pri;
261	req->next = 0;	327	req->next = 0;
262		328
263	if (q->qe[pri])	329	if (q->qe[pri])
…		…
269	q->qe[pri] = q->qs[pri] = req;	335	q->qe[pri] = q->qs[pri] = req;
270		336
271	return q->size++;	337	return q->size++;
272	}	338	}
273		339
274	aio_req reqq_shift (reqq *q)	340	bdb_req reqq_shift (reqq *q)
275	{	341	{
276	int pri;	342	int pri;
277		343
278	if (!q->size)	344	if (!q->size)
279	return 0;	345	return 0;
280		346
281	--q->size;	347	--q->size;
282		348
283	for (pri = NUM_PRI; pri--; )	349	for (pri = NUM_PRI; pri--; )
284	{	350	{
285	aio_req req = q->qs[pri];	351	bdb_req req = q->qs[pri];
286		352
287	if (req)	353	if (req)
288	{	354	{
289	if (!(q->qs[pri] = req->next))	355	if (!(q->qs[pri] = req->next))
290	q->qe[pri] = 0;	356	q->qe[pri] = 0;
…		…
294	}	360	}
295		361
296	abort ();	362	abort ();
297	}	363	}
298		364
299	static int poll_cb ();	365	static int poll_cb (void);
300	static void req_free (aio_req req);	366	static void req_free (bdb_req req);
301	static void req_cancel (aio_req req);
302		367
303	static int req_invoke (aio_req req)	368	static int req_invoke (bdb_req req)
304	{	369	{
305	dSP;	370	switch (req->type)
306
307	if (SvOK (req->callback))
308	{	371	{
		372	case REQ_DB_CLOSE:
		373	SvREFCNT_dec (req->sv1);
		374	break;
		375
		376	case REQ_DB_GET:
		377	case REQ_DB_PGET:
		378	case REQ_C_GET:
		379	case REQ_C_PGET:
		380	case REQ_DB_PUT:
		381	case REQ_C_PUT:
		382	dbt_to_sv (req->sv1, &req->dbt1);
		383	dbt_to_sv (req->sv2, &req->dbt2);
		384	dbt_to_sv (req->sv3, &req->dbt3);
		385	break;
		386
		387	case REQ_DB_KEY_RANGE:
		388	{
		389	AV *av = newAV ();
		390
		391	av_push (av, newSVnv (req->key_range.less));
		392	av_push (av, newSVnv (req->key_range.equal));
		393	av_push (av, newSVnv (req->key_range.greater));
		394
		395	av = (AV )newRV_noinc ((SV )av);
		396
		397	SvREADONLY_off (req->sv1);
		398	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		399	SvREFCNT_dec (av);
		400	SvREFCNT_dec (req->sv1);
		401	}
		402	break;
		403
		404	#if DBVER >= 403
		405	case REQ_SEQ_GET:
		406	SvREADONLY_off (req->sv1);
		407
		408	if (sizeof (IV) > 4)
		409	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		410	else
		411	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		412
		413	SvREFCNT_dec (req->sv1);
		414	break;
		415	#endif
		416
		417	case REQ_ENV_LOG_ARCHIVE:
		418	{
		419	AV *av = newAV ();
		420	char listp = (char )req->buf1;
		421
		422	if (listp)
		423	while (*listp)
		424	av_push (av, newSVpv (*listp, 0)), ++listp;
		425
		426	av = (AV )newRV_noinc ((SV )av);
		427
		428	SvREADONLY_off (req->sv1);
		429	sv_setsv_mg (req->sv1, (SV *)av);
		430	SvREFCNT_dec (av);
		431	SvREFCNT_dec (req->sv1);
		432	}
		433	break;
		434	}
		435
		436	errno = req->result;
		437
		438	if (req->callback)
		439	{
		440	dSP;
		441
309	ENTER;	442	ENTER;
310	SAVETMPS;	443	SAVETMPS;
311	PUSHMARK (SP);	444	PUSHMARK (SP);
312		445
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_PUT:
332	case REQ_C_PUT:
333	dbt_to_sv (0, &req->dbt1);
334	dbt_to_sv (0, &req->dbt2);
335	break;
336
337	case REQ_DB_KEY_RANGE:
338	{
339	AV *av = newAV ();
340
341	av_push (av, newSVnv (req->key_range.less));
342	av_push (av, newSVnv (req->key_range.equal));
343	av_push (av, newSVnv (req->key_range.greater));
344
345	SvREADONLY_off (req->sv1);
346	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
347	SvREFCNT_dec (req->sv1);
348	}
349	break;
350
351	case REQ_SEQ_GET:
352	SvREADONLY_off (req->sv1);
353
354	if (sizeof (IV) > 4)
355	sv_setiv_mg (req->sv1, (IV)req->seq_t);
356	else
357	sv_setnv_mg (req->sv1, (NV)req->seq_t);
358
359	SvREFCNT_dec (req->sv1);
360	break;
361	}
362
363	errno = req->result;
364
365	PUTBACK;	446	PUTBACK;
366	call_sv (req->callback, G_VOID \| G_EVAL);	447	call_sv (req->callback, G_VOID \| G_EVAL);
367	SPAGAIN;	448	SPAGAIN;
368		449
369	FREETMPS;	450	FREETMPS;
370	LEAVE;	451	LEAVE;
		452
		453	return !SvTRUE (ERRSV);
371	}	454	}
372		455
373	return !SvTRUE (ERRSV);	456	return 1;
374	}	457	}
375		458
376	static void req_free (aio_req req)	459	static void req_free (bdb_req req)
377	{	460	{
		461	SvREFCNT_dec (req->callback);
		462
		463	SvREFCNT_dec (req->rsv1);
		464	SvREFCNT_dec (req->rsv2);
		465
378	free (req->buf1);	466	free (req->buf1);
379	free (req->buf2);	467	free (req->buf2);
		468	free (req->buf3);
		469
380	Safefree (req);	470	Safefree (req);
381	}	471	}
382		472
383	#ifdef USE_SOCKETS_AS_HANDLES
384	# define TO_SOCKET(x) (win32_get_osfhandle (x))
385	#else
386	# define TO_SOCKET(x) (x)
387	#endif
388
389	static void	473	static void
390	create_respipe ()	474	create_respipe (void)
391	{	475	{
392	#ifdef _WIN32
393	int arg; /* argg */
394	#endif
395	int old_readfd = respipe [0];
396
397	if (respipe [1] >= 0)
398	respipe_close (TO_SOCKET (respipe [1]));
399
400	#ifdef _WIN32
401	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
402	#else
403	if (pipe (respipe))	476	if (s_epipe_renew (&respipe))
404	#endif	477	croak ("BDB: unable to create event pipe");
405	croak ("unable to initialize result pipe");
406
407	if (old_readfd >= 0)
408	{
409	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
410	croak ("unable to initialize result pipe(2)");
411
412	respipe_close (respipe [0]);
413	respipe [0] = old_readfd;
414	}
415
416	#ifdef _WIN32
417	arg = 1;
418	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
419	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
420	#else
421	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
422	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
423	#endif
424	croak ("unable to initialize result pipe(3)");
425
426	respipe_osf [0] = TO_SOCKET (respipe [0]);
427	respipe_osf [1] = TO_SOCKET (respipe [1]);
428	}	478	}
429		479
		480	static void bdb_request (bdb_req req);
430	X_THREAD_PROC (bdb_proc);	481	X_THREAD_PROC (bdb_proc);
431		482
432	static void start_thread (void)	483	static void start_thread (void)
433	{	484	{
434	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
435		486
436	if (!wrk)	487	if (!wrk)
437	croak ("unable to allocate worker thread data");	488	croak ("unable to allocate worker thread data");
438		489
439	X_LOCK (wrklock);	490	X_LOCK (wrklock);
440	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))	491	if (xthread_create (&wrk->tid, bdb_proc, (void *)wrk))
441	{	492	{
442	wrk->prev = &wrk_first;	493	wrk->prev = &wrk_first;
443	wrk->next = wrk_first.next;	494	wrk->next = wrk_first.next;
444	wrk_first.next->prev = wrk;	495	wrk_first.next->prev = wrk;
445	wrk_first.next = wrk;	496	wrk_first.next = wrk;
…		…
449	free (wrk);	500	free (wrk);
450		501
451	X_UNLOCK (wrklock);	502	X_UNLOCK (wrklock);
452	}	503	}
453		504
454	static void maybe_start_thread ()	505	static void maybe_start_thread (void)
455	{	506	{
456	if (get_nthreads () >= wanted)	507	if (get_nthreads () >= wanted)
457	return;	508	return;
458		509
459	/* todo: maybe use idle here, but might be less exact */	510	/* todo: maybe use idle here, but might be less exact */
…		…
461	return;	512	return;
462		513
463	start_thread ();	514	start_thread ();
464	}	515	}
465		516
466	static void req_send (aio_req req)	517	static void req_send (bdb_req req)
467	{	518	{
468	SV *wait_callback = 0;	519	SV *wait_callback = 0;
469		520
470	// synthesize callback if none given	521	if (on_next_submit)
471	if (!SvOK (req->callback))
472	{	522	{
473	int count;
474
475	dSP;	523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
476	PUSHMARK (SP);	528	PUSHMARK (SP);
477	PUTBACK;	529	PUTBACK;
478	count = call_sv (prepare_cb, G_ARRAY);	530	call_sv (cb, G_DISCARD \| G_EVAL);
479	SPAGAIN;	531	SPAGAIN;
		532	}
480		533
		534	// synthesize callback if none given
		535	if (!req->callback)
		536	{
		537	if (SvOK (prepare_cb))
		538	{
		539	int count;
		540
		541	dSP;
		542	PUSHMARK (SP);
		543	PUTBACK;
		544	count = call_sv (prepare_cb, G_ARRAY);
		545	SPAGAIN;
		546
481	if (count != 2)	547	if (count != 2)
482	croak ("prepare callback must return exactly two values\n");	548	croak ("sync prepare callback must return exactly two values\n");
483		549
484	wait_callback = SvREFCNT_inc (POPs);	550	wait_callback = POPs;
485	SvREFCNT_dec (req->callback);
486	req->callback = SvREFCNT_inc (POPs);	551	req->callback = SvREFCNT_inc (POPs);
		552	}
		553	else
		554	{
		555	// execute request synchronously
		556	bdb_request (req);
		557	req_invoke (req);
		558	req_free (req);
		559	return;
		560	}
487	}	561	}
488		562
489	++nreqs;	563	++nreqs;
490		564
491	X_LOCK (reqlock);	565	X_LOCK (reqlock);
…		…
500	{	574	{
501	dSP;	575	dSP;
502	PUSHMARK (SP);	576	PUSHMARK (SP);
503	PUTBACK;	577	PUTBACK;
504	call_sv (wait_callback, G_DISCARD);	578	call_sv (wait_callback, G_DISCARD);
505	SvREFCNT_dec (wait_callback);
506	}	579	}
507	}	580	}
508		581
509	static void end_thread (void)	582	static void end_thread (void)
510	{	583	{
511	aio_req req;	584	bdb_req req = calloc (1, sizeof (bdb_cb));
512
513	Newz (0, req, 1, aio_cb);
514		585
515	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
516	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
517		588
518	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
545		616
546	while (started > wanted)	617	while (started > wanted)
547	end_thread ();	618	end_thread ();
548	}	619	}
549		620
550	static void poll_wait ()	621	static void poll_wait (void)
551	{	622	{
552	fd_set rfd;
553
554	while (nreqs)	623	while (nreqs)
555	{	624	{
556	int size;	625	int size;
557	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
558	size = res_queue.size;	627	size = res_queue.size;
…		…
561	if (size)	630	if (size)
562	return;	631	return;
563		632
564	maybe_start_thread ();	633	maybe_start_thread ();
565		634
566	FD_ZERO (&rfd);	635	s_epipe_wait (&respipe);
567	FD_SET (respipe [0], &rfd);
568
569	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
570	}	636	}
571	}	637	}
572		638
573	static int poll_cb ()	639	static int poll_cb (void)
574	{	640	{
575	dSP;	641	dSP;
576	int count = 0;	642	int count = 0;
577	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
578	int do_croak = 0;	644	int do_croak = 0;
579	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
580	aio_req req;	646	bdb_req req;
581		647
582	if (max_poll_time)	648	if (max_poll_time)
583	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
584		650
585	for (;;)	651	for (;;)
…		…
594	if (req)	660	if (req)
595	{	661	{
596	--npending;	662	--npending;
597		663
598	if (!res_queue.size)	664	if (!res_queue.size)
599	{
600	/* read any signals sent by the worker threads */	665	/* read any signals sent by the worker threads */
601	char buf [4];	666	s_epipe_drain (&respipe);
602	while (respipe_read (respipe [0], buf, 4) == 4)
603	;
604	}
605	}	667	}
606		668
607	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
608		670
609	if (!req)	671	if (!req)
…		…
644	return count;	706	return count;
645	}	707	}
646		708
647	/*****************************************************************************/	709	/*****************************************************************************/
648		710
		711	static void
		712	bdb_request (bdb_req req)
		713	{
		714	switch (req->type)
		715	{
		716	case REQ_ENV_OPEN:
		717	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		718	break;
		719
		720	case REQ_ENV_CLOSE:
		721	req->result = req->env->close (req->env, req->uint1);
		722	break;
		723
		724	case REQ_ENV_TXN_CHECKPOINT:
		725	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		726	break;
		727
		728	case REQ_ENV_LOCK_DETECT:
		729	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		730	break;
		731
		732	case REQ_ENV_MEMP_SYNC:
		733	req->result = req->env->memp_sync (req->env, 0);
		734	break;
		735
		736	case REQ_ENV_MEMP_TRICKLE:
		737	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		738	break;
		739
		740	case REQ_ENV_DBREMOVE:
		741	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		742	break;
		743
		744	case REQ_ENV_DBRENAME:
		745	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		746	break;
		747
		748	case REQ_DB_OPEN:
		749	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		750	break;
		751
		752	case REQ_DB_CLOSE:
		753	req->result = req->db->close (req->db, req->uint1);
		754	break;
		755
		756	#if DBVER >= 404
		757	case REQ_DB_COMPACT:
		758	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);
		759	break;
		760	#endif
		761
		762	case REQ_DB_SYNC:
		763	req->result = req->db->sync (req->db, req->uint1);
		764	break;
		765
		766	case REQ_DB_VERIFY:
		767	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		768	break;
		769
		770	case REQ_DB_UPGRADE:
		771	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		772	break;
		773
		774	case REQ_DB_PUT:
		775	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		776	break;
		777
		778	#if DBVER >= 406
		779	case REQ_DB_EXISTS:
		780	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		781	break;
		782	#endif
		783	case REQ_DB_GET:
		784	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		785	break;
		786
		787	case REQ_DB_PGET:
		788	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		789	break;
		790
		791	case REQ_DB_DEL:
		792	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		793	break;
		794
		795	case REQ_DB_KEY_RANGE:
		796	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		797	break;
		798
		799	case REQ_TXN_COMMIT:
		800	req->result = req->txn->commit (req->txn, req->uint1);
		801	break;
		802
		803	case REQ_TXN_ABORT:
		804	req->result = req->txn->abort (req->txn);
		805	break;
		806
		807	case REQ_TXN_FINISH:
		808	if (req->txn->flags & TXN_DEADLOCK)
		809	{
		810	req->result = req->txn->abort (req->txn);
		811	if (!req->result)
		812	req->result = DB_LOCK_DEADLOCK;
		813	}
		814	else
		815	req->result = req->txn->commit (req->txn, req->uint1);
		816	break;
		817
		818	case REQ_C_CLOSE:
		819	req->result = req->dbc->c_close (req->dbc);
		820	break;
		821
		822	case REQ_C_COUNT:
		823	{
		824	db_recno_t recno;
		825	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		826	req->uv1 = recno;
		827	}
		828	break;
		829
		830	case REQ_C_PUT:
		831	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		832	break;
		833
		834	case REQ_C_GET:
		835	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		836	break;
		837
		838	case REQ_C_PGET:
		839	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		840	break;
		841
		842	case REQ_C_DEL:
		843	req->result = req->dbc->c_del (req->dbc, req->uint1);
		844	break;
		845
		846	#if DBVER >= 403
		847	case REQ_SEQ_OPEN:
		848	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		849	break;
		850
		851	case REQ_SEQ_CLOSE:
		852	req->result = req->seq->close (req->seq, req->uint1);
		853	break;
		854
		855	case REQ_SEQ_GET:
		856	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		857	break;
		858
		859	case REQ_SEQ_REMOVE:
		860	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		861	break;
		862	#endif
		863
		864	case REQ_ENV_LSN_RESET:
		865	req->result = req->env->lsn_reset (req->env, req->buf1, req->uint1);
		866	break;
		867
		868	case REQ_ENV_LOG_ARCHIVE:
		869	{
		870	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		871	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		872	req->buf1 = (char *)listp;
		873	}
		874	break;
		875
		876	default:
		877	req->result = ENOSYS;
		878	break;
		879	}
		880
		881	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		882	req->txn->flags \|= TXN_DEADLOCK;
		883	}
		884
649	X_THREAD_PROC (bdb_proc)	885	X_THREAD_PROC (bdb_proc)
650	{	886	{
651	aio_req req;	887	bdb_req req;
652	struct timespec ts;	888	struct timespec ts;
653	worker self = (worker )thr_arg;	889	worker self = (worker )thr_arg;
654		890
655	/* try to distribute timeouts somewhat evenly */	891	/* try to distribute timeouts somewhat evenly */
656	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	892	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
657		893
658	for (;;)	894	for (;;)
659	{	895	{
660	ts.tv_sec = time (0) + IDLE_TIMEOUT;	896	ts.tv_sec = time (0) + IDLE_TIMEOUT;
661		897
662	X_LOCK (reqlock);	898	X_LOCK (reqlock);
663		899
664	for (;;)	900	for (;;)
665	{	901	{
…		…
692	}	928	}
693		929
694	--nready;	930	--nready;
695		931
696	X_UNLOCK (reqlock);	932	X_UNLOCK (reqlock);
697		933
698	switch (req->type)	934	if (req->type == REQ_QUIT)
699	{	935	{
700	case REQ_QUIT:	936	X_LOCK (reslock);
701	req->result = ENOSYS;	937	free (req);
		938	self->req = 0;
		939	X_UNLOCK (reslock);
		940
702	goto quit;	941	goto quit;
703
704	case REQ_ENV_OPEN:
705	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
706	break;
707
708	case REQ_ENV_CLOSE:
709	req->result = req->env->close (req->env, req->uint1);
710	break;
711
712	case REQ_ENV_TXN_CHECKPOINT:
713	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
714	break;
715
716	case REQ_ENV_LOCK_DETECT:
717	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
718	break;
719
720	case REQ_ENV_MEMP_SYNC:
721	req->result = req->env->memp_sync (req->env, 0);
722	break;
723
724	case REQ_ENV_MEMP_TRICKLE:
725	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
726	break;
727
728	case REQ_DB_OPEN:
729	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
730	break;
731
732	case REQ_DB_CLOSE:
733	req->result = req->db->close (req->db, req->uint1);
734	break;
735
736	case REQ_DB_COMPACT:
737	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
738	break;
739
740	case REQ_DB_SYNC:
741	req->result = req->db->sync (req->db, req->uint1);
742	break;
743
744	case REQ_DB_PUT:
745	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
746	break;
747
748	case REQ_DB_GET:
749	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
750	break;
751
752	case REQ_DB_PGET:
753	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
754	break;
755
756	case REQ_DB_DEL:
757	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
758	break;
759
760	case REQ_DB_KEY_RANGE:
761	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
762	break;
763
764	case REQ_TXN_COMMIT:
765	req->result = req->txn->commit (req->txn, req->uint1);
766	break;
767
768	case REQ_TXN_ABORT:
769	req->result = req->txn->abort (req->txn);
770	break;
771
772	case REQ_TXN_FINISH:
773	if (req->txn->flags & TXN_DEADLOCK)
774	{
775	req->result = req->txn->abort (req->txn);
776	if (!req->result)
777	req->result = DB_LOCK_DEADLOCK;
778	}
779	else
780	req->result = req->txn->commit (req->txn, req->uint1);
781	break;
782
783	case REQ_C_CLOSE:
784	req->result = req->dbc->c_close (req->dbc);
785	break;
786
787	case REQ_C_COUNT:
788	{
789	db_recno_t recno;
790	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
791	req->uv1 = recno;
792	}
793	break;
794
795	case REQ_C_PUT:
796	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
797	break;
798
799	case REQ_C_GET:
800	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
801	break;
802
803	case REQ_C_PGET:
804	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
805	break;
806
807	case REQ_C_DEL:
808	req->result = req->dbc->c_del (req->dbc, req->uint1);
809	break;
810
811	case REQ_SEQ_OPEN:
812	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
813	break;
814
815	case REQ_SEQ_CLOSE:
816	req->result = req->seq->close (req->seq, req->uint1);
817	break;
818
819	case REQ_SEQ_GET:
820	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
821	break;
822
823	case REQ_SEQ_REMOVE:
824	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
825	break;
826
827	default:
828	req->result = ENOSYS;
829	break;
830	}	942	}
831		943
832	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))	944	bdb_request (req);
833	req->txn->flags \|= TXN_DEADLOCK;
834		945
835	X_LOCK (reslock);	946	X_LOCK (reslock);
836		947
837	++npending;	948	++npending;
838		949
839	if (!reqq_push (&res_queue, req))	950	if (!reqq_push (&res_queue, req))
840	/* write a dummy byte to the pipe so fh becomes ready */	951	s_epipe_signal (&respipe);
841	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
842		952
843	self->req = 0;	953	self->req = 0;
844	worker_clear (self);	954	worker_clear (self);
845		955
846	X_UNLOCK (reslock);	956	X_UNLOCK (reslock);
…		…
870	X_UNLOCK (wrklock);	980	X_UNLOCK (wrklock);
871	}	981	}
872		982
873	static void atfork_child (void)	983	static void atfork_child (void)
874	{	984	{
875	aio_req prv;	985	bdb_req prv;
876		986
877	while (prv = reqq_shift (&req_queue))	987	while (prv = reqq_shift (&req_queue))
878	req_free (prv);	988	req_free (prv);
879		989
880	while (prv = reqq_shift (&res_queue))	990	while (prv = reqq_shift (&res_queue))
…		…
900	create_respipe ();	1010	create_respipe ();
901		1011
902	atfork_parent ();	1012	atfork_parent ();
903	}	1013	}
904		1014
905	#define dREQ(reqtype) \	1015	#define dREQ(reqtype,rsvcnt) \
906	aio_req req; \	1016	bdb_req req; \
907	int req_pri = next_pri; \	1017	int req_pri = next_pri; \
908	next_pri = DEFAULT_PRI + PRI_BIAS; \	1018	next_pri = DEFAULT_PRI + PRI_BIAS; \
909	\	1019	\
910	if (SvOK (callback) && !SvROK (callback)) \	1020	if (callback && SvOK (callback)) \
911	croak ("callback must be undef or of reference type"); \	1021	croak ("callback has illegal type or extra arguments"); \
912	\	1022	\
913	Newz (0, req, 1, aio_cb); \	1023	Newz (0, req, 1, bdb_cb); \
914	if (!req) \	1024	if (!req) \
915	croak ("out of memory during aio_req allocation"); \	1025	croak ("out of memory during bdb_req allocation"); \
916	\	1026	\
917	req->callback = newSVsv (callback); \	1027	req->callback = SvREFCNT_inc (cb); \
918	req->type = (reqtype); \	1028	req->type = (reqtype); \
919	req->pri = req_pri	1029	req->pri = req_pri; \
		1030	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1031	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1032	(void)0;
920		1033
921	#define REQ_SEND \	1034	#define REQ_SEND \
922	req_send (req)	1035	req_send (req)
923		1036
924	#define SvPTR(var, arg, type, class, nullok) \	1037	#define SvPTR(var, arg, type, stash, class, nullok) \
925	if (!SvOK (arg)) \	1038	if (!SvOK (arg)) \
926	{ \	1039	{ \
927	if (!nullok) \	1040	if (nullok != 1) \
928	croak (# var " must be a " # class " object, not undef"); \	1041	croak (# var " must be a " # class " object, not undef"); \
929	\	1042	\
930	(var) = 0; \	1043	(var) = 0; \
931	} \	1044	} \
932	else if (sv_derived_from ((arg), # class)) \	1045	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
933	{ \	1046	{ \
934	IV tmp = SvIV ((SV*) SvRV (arg)); \	1047	IV tmp = SvIV ((SV*) SvRV (arg)); \
935	(var) = INT2PTR (type, tmp); \	1048	(var) = INT2PTR (type, tmp); \
936	if (!var) \	1049	if (!var && nullok != 2) \
937	croak (# var " is not a valid " # class " object anymore"); \	1050	croak (# var " is not a valid " # class " object anymore"); \
938	} \	1051	} \
939	else \	1052	else \
940	croak (# var " is not of type " # class); \	1053	croak (# var " is not of type " # class);
941	\	1054
		1055	#define ARG_MUTABLE(name) \
		1056	if (SvREADONLY (name)) \
		1057	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1058
		1059	static SV *
		1060	newSVptr (void ptr, HV stash)
		1061	{
		1062	SV *rv = NEWSV (0, 0);
		1063	sv_upgrade (rv, SVt_PVMG);
		1064	sv_setiv (rv, PTR2IV (ptr));
		1065
		1066	return sv_bless (newRV_noinc (rv), stash);
		1067	}
942		1068
943	static void	1069	static void
944	ptr_nuke (SV *sv)	1070	ptr_nuke (SV *sv)
945	{	1071	{
946	assert (SvROK (sv));	1072	assert (SvROK (sv));
947	sv_setiv (SvRV (sv), 0);	1073	sv_setiv (SvRV (sv), 0);
948	}	1074	}
949		1075
		1076	static int
		1077	errno_get (pTHX_ SV sv, MAGIC mg)
		1078	{
		1079	if (*mg->mg_ptr == '!') // should always be the case
		1080	if (-30999 <= errno && errno <= -30800)
		1081	{
		1082	sv_setnv (sv, (NV)errno);
		1083	sv_setpv (sv, db_strerror (errno));
		1084	SvNOK_on (sv); /* what a wonderful hack! */
		1085	// ^^^ copied from perl sources
		1086	return 0;
		1087	}
		1088
		1089	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1090	}
		1091
		1092	static MGVTBL vtbl_errno;
		1093
		1094	// this wonderful hack :( patches perl's $! variable to support our errno values
		1095	static void
		1096	patch_errno (void)
		1097	{
		1098	SV *sv;
		1099	MAGIC *mg;
		1100
		1101	if (!(sv = get_sv ("!", 1)))
		1102	return;
		1103
		1104	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1105	return;
		1106
		1107	if (mg->mg_virtual != &PL_vtbl_sv)
		1108	return;
		1109
		1110	vtbl_errno = PL_vtbl_sv;
		1111	vtbl_errno.svt_get = errno_get;
		1112	mg->mg_virtual = &vtbl_errno;
		1113	}
		1114
		1115	#if __GNUC__ >= 4
		1116	# define noinline __attribute__ ((noinline))
		1117	#else
		1118	# define noinline
		1119	#endif
		1120
		1121	static noinline SV *
		1122	pop_callback (I32 ritems, SV sv)
		1123	{
		1124	if (SvROK (sv))
		1125	{
		1126	HV *st;
		1127	GV *gvp;
		1128	CV *cv;
		1129	const char *name;
		1130
		1131	/* forgive me */
		1132	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1133	&& (st = SvSTASH (SvRV (sv)))
		1134	&& (name = HvNAME_get (st))
		1135	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1136	return 0;
		1137
		1138	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1139	{
		1140	--*ritems;
		1141	return (SV *)cv;
		1142	}
		1143	}
		1144
		1145	return 0;
		1146	}
		1147
		1148	/*****************************************************************************/
		1149
		1150	#if 0
		1151	static int
		1152	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1153	{
		1154	ssize_t size1 = dbt1->size;
		1155	ssize_t size2 = dbt2->size;
		1156	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1157	size1 <= size2 ? size1 : size2);
		1158
		1159	if (res)
		1160	return res;
		1161	else if (size1 - size2)
		1162	return size1 - size2;
		1163	else
		1164	return 0;
		1165	}
		1166
		1167	static size_t
		1168	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1169	{
		1170	ssize_t size1 = dbt1->size;
		1171	ssize_t size2 = dbt2->size;
		1172	u_int8_t p1 = (u_int8_t )dbt1->data;
		1173	u_int8_t p2 = (u_int8_t )dbt2->data;
		1174	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1175
		1176	while (p1 < pe)
		1177	if (p1++ != p2++)
		1178	return p1 - (u_int8_t *)dbt1->data - 1;
		1179
		1180	if (size1 < size2) return size1 + 1;
		1181	if (size1 > size2) return size2 + 1;
		1182
		1183	return size1;
		1184	}
		1185	#endif
		1186
		1187	/*****************************************************************************/
		1188
		1189	/* stupid windows defines CALLBACK as well */
		1190	#undef CALLBACK
		1191	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1192
950	MODULE = BDB PACKAGE = BDB	1193	MODULE = BDB PACKAGE = BDB
951		1194
952	PROTOTYPES: ENABLE	1195	PROTOTYPES: ENABLE
953		1196
954	BOOT:	1197	BOOT:
955	{	1198	{
956	HV *stash = gv_stashpv ("BDB", 1);
957
958	static const struct {	1199	static const struct {
959	const char *name;	1200	const char *name;
960	IV iv;	1201	IV iv;
961	} *civ, const_iv[] = {	1202	} *civ, const_iv[] = {
962	#define const_iv(name) { # name, (IV)DB_ ## name },	1203	#define const_iv(name) { # name, (IV)DB_ ## name },
		1204	#if DBVER <= 408
963	const_iv (RPCCLIENT)	1205	const_iv (RPCCLIENT)
		1206	#endif
964	const_iv (INIT_CDB)	1207	const_iv (INIT_CDB)
965	const_iv (INIT_LOCK)	1208	const_iv (INIT_LOCK)
966	const_iv (INIT_LOG)	1209	const_iv (INIT_LOG)
967	const_iv (INIT_MPOOL)	1210	const_iv (INIT_MPOOL)
968	const_iv (INIT_REP)	1211	const_iv (INIT_REP)
…		…
974	const_iv (RDONLY)	1217	const_iv (RDONLY)
975	const_iv (USE_ENVIRON)	1218	const_iv (USE_ENVIRON)
976	const_iv (USE_ENVIRON_ROOT)	1219	const_iv (USE_ENVIRON_ROOT)
977	const_iv (LOCKDOWN)	1220	const_iv (LOCKDOWN)
978	const_iv (PRIVATE)	1221	const_iv (PRIVATE)
979	const_iv (REGISTER)
980	const_iv (SYSTEM_MEM)	1222	const_iv (SYSTEM_MEM)
981	const_iv (AUTO_COMMIT)	1223	const_iv (AUTO_COMMIT)
982	const_iv (CDB_ALLDB)	1224	const_iv (CDB_ALLDB)
983	const_iv (DIRECT_DB)	1225	const_iv (DIRECT_DB)
984	const_iv (DIRECT_LOG)
985	const_iv (DSYNC_DB)
986	const_iv (DSYNC_LOG)
987	const_iv (LOG_AUTOREMOVE)
988	const_iv (LOG_INMEMORY)
989	const_iv (NOLOCKING)	1226	const_iv (NOLOCKING)
990	const_iv (NOMMAP)	1227	const_iv (NOMMAP)
991	const_iv (NOPANIC)	1228	const_iv (NOPANIC)
992	const_iv (OVERWRITE)	1229	const_iv (OVERWRITE)
993	const_iv (PANIC_ENVIRONMENT)	1230	const_iv (PANIC_ENVIRONMENT)
…		…
997	const_iv (TXN_NOT_DURABLE)	1234	const_iv (TXN_NOT_DURABLE)
998	const_iv (TXN_WRITE_NOSYNC)	1235	const_iv (TXN_WRITE_NOSYNC)
999	const_iv (WRITECURSOR)	1236	const_iv (WRITECURSOR)
1000	const_iv (YIELDCPU)	1237	const_iv (YIELDCPU)
1001	const_iv (ENCRYPT_AES)	1238	const_iv (ENCRYPT_AES)
		1239	#if DBVER < 408
1002	const_iv (XA_CREATE)	1240	const_iv (XA_CREATE)
		1241	#endif
1003	const_iv (BTREE)	1242	const_iv (BTREE)
1004	const_iv (HASH)	1243	const_iv (HASH)
1005	const_iv (QUEUE)	1244	const_iv (QUEUE)
1006	const_iv (RECNO)	1245	const_iv (RECNO)
1007	const_iv (UNKNOWN)	1246	const_iv (UNKNOWN)
1008	const_iv (EXCL)	1247	const_iv (EXCL)
1009	const_iv (READ_COMMITTED)
1010	const_iv (READ_UNCOMMITTED)
1011	const_iv (TRUNCATE)	1248	const_iv (TRUNCATE)
1012	const_iv (NOSYNC)	1249	const_iv (NOSYNC)
1013	const_iv (CHKSUM)	1250	const_iv (CHKSUM)
1014	const_iv (ENCRYPT)	1251	const_iv (ENCRYPT)
1015	const_iv (DUP)	1252	const_iv (DUP)
1016	const_iv (DUPSORT)	1253	const_iv (DUPSORT)
1017	const_iv (RECNUM)	1254	//const_iv (RECNUM)
1018	const_iv (RENUMBER)	1255	const_iv (RENUMBER)
1019	const_iv (REVSPLITOFF)	1256	const_iv (REVSPLITOFF)
1020	const_iv (INORDER)
1021	const_iv (CONSUME)	1257	const_iv (CONSUME)
1022	const_iv (CONSUME_WAIT)	1258	const_iv (CONSUME_WAIT)
1023	const_iv (GET_BOTH)	1259	const_iv (GET_BOTH)
1024	const_iv (GET_BOTH_RANGE)	1260	const_iv (GET_BOTH_RANGE)
1025	//const_iv (SET_RECNO)	1261	//const_iv (SET_RECNO)
1026	//const_iv (MULTIPLE)	1262	//const_iv (MULTIPLE)
1027	const_iv (SNAPSHOT)	1263	const_iv (SNAPSHOT)
1028	const_iv (JOIN_ITEM)	1264	const_iv (JOIN_ITEM)
		1265	const_iv (JOIN_NOSORT)
1029	const_iv (RMW)	1266	const_iv (RMW)
1030		1267
1031	const_iv (NOTFOUND)	1268	const_iv (NOTFOUND)
1032	const_iv (KEYEMPTY)	1269	const_iv (KEYEMPTY)
1033	const_iv (LOCK_DEADLOCK)	1270	const_iv (LOCK_DEADLOCK)
1034	const_iv (LOCK_NOTGRANTED)	1271	const_iv (LOCK_NOTGRANTED)
1035	const_iv (RUNRECOVERY)	1272	const_iv (RUNRECOVERY)
1036	const_iv (OLD_VERSION)	1273	const_iv (OLD_VERSION)
1037	const_iv (REP_HANDLE_DEAD)	1274	const_iv (REP_HANDLE_DEAD)
1038	const_iv (REP_LOCKOUT)
1039	const_iv (SECONDARY_BAD)	1275	const_iv (SECONDARY_BAD)
1040
1041	const_iv (FREE_SPACE)
1042	const_iv (FREELIST_ONLY)
1043		1276
1044	const_iv (APPEND)	1277	const_iv (APPEND)
1045	const_iv (NODUPDATA)	1278	const_iv (NODUPDATA)
1046	const_iv (NOOVERWRITE)	1279	const_iv (NOOVERWRITE)
1047		1280
…		…
1049	const_iv (TXN_SYNC)	1282	const_iv (TXN_SYNC)
1050		1283
1051	const_iv (SET_LOCK_TIMEOUT)	1284	const_iv (SET_LOCK_TIMEOUT)
1052	const_iv (SET_TXN_TIMEOUT)	1285	const_iv (SET_TXN_TIMEOUT)
1053		1286
1054	const_iv (JOIN_ITEM)
1055	const_iv (FIRST)	1287	const_iv (FIRST)
1056	const_iv (NEXT)	1288	const_iv (NEXT)
1057	const_iv (NEXT_DUP)	1289	const_iv (NEXT_DUP)
1058	const_iv (NEXT_NODUP)	1290	const_iv (NEXT_NODUP)
1059	const_iv (PREV)	1291	const_iv (PREV)
…		…
1071	const_iv (FORCE)	1303	const_iv (FORCE)
1072		1304
1073	const_iv (LOCK_DEFAULT)	1305	const_iv (LOCK_DEFAULT)
1074	const_iv (LOCK_EXPIRE)	1306	const_iv (LOCK_EXPIRE)
1075	const_iv (LOCK_MAXLOCKS)	1307	const_iv (LOCK_MAXLOCKS)
1076	const_iv (LOCK_MAXWRITE)
1077	const_iv (LOCK_MINLOCKS)	1308	const_iv (LOCK_MINLOCKS)
1078	const_iv (LOCK_MINWRITE)	1309	const_iv (LOCK_MINWRITE)
1079	const_iv (LOCK_OLDEST)	1310	const_iv (LOCK_OLDEST)
1080	const_iv (LOCK_RANDOM)	1311	const_iv (LOCK_RANDOM)
1081	const_iv (LOCK_YOUNGEST)	1312	const_iv (LOCK_YOUNGEST)
1082		1313
1083	const_iv (SEQ_DEC)
1084	const_iv (SEQ_INC)
1085	const_iv (SEQ_WRAP)
1086
1087	const_iv (BUFFER_SMALL)
1088	const_iv (DONOTINDEX)	1314	const_iv (DONOTINDEX)
1089	const_iv (KEYEMPTY )	1315	const_iv (KEYEMPTY)
1090	const_iv (KEYEXIST )	1316	const_iv (KEYEXIST)
1091	const_iv (LOCK_DEADLOCK)	1317	const_iv (LOCK_DEADLOCK)
1092	const_iv (LOCK_NOTGRANTED)	1318	const_iv (LOCK_NOTGRANTED)
1093	const_iv (LOG_BUFFER_FULL)
1094	const_iv (NOSERVER)	1319	const_iv (NOSERVER)
		1320	#if DBVER < 502
1095	const_iv (NOSERVER_HOME)	1321	const_iv (NOSERVER_HOME)
1096	const_iv (NOSERVER_ID)	1322	const_iv (NOSERVER_ID)
		1323	#endif
1097	const_iv (NOTFOUND)	1324	const_iv (NOTFOUND)
1098	const_iv (OLD_VERSION)
1099	const_iv (PAGE_NOTFOUND)	1325	const_iv (PAGE_NOTFOUND)
1100	const_iv (REP_DUPMASTER)	1326	const_iv (REP_DUPMASTER)
1101	const_iv (REP_HANDLE_DEAD)	1327	const_iv (REP_HANDLE_DEAD)
1102	const_iv (REP_HOLDELECTION)	1328	const_iv (REP_HOLDELECTION)
1103	const_iv (REP_IGNORE)
1104	const_iv (REP_ISPERM)	1329	const_iv (REP_ISPERM)
1105	const_iv (REP_JOIN_FAILURE)
1106	const_iv (REP_LOCKOUT)
1107	const_iv (REP_NEWMASTER)	1330	const_iv (REP_NEWMASTER)
1108	const_iv (REP_NEWSITE)	1331	const_iv (REP_NEWSITE)
1109	const_iv (REP_NOTPERM)	1332	const_iv (REP_NOTPERM)
1110	const_iv (REP_UNAVAIL)	1333	const_iv (REP_UNAVAIL)
1111	const_iv (RUNRECOVERY)	1334	const_iv (RUNRECOVERY)
1112	const_iv (SECONDARY_BAD)	1335	const_iv (SECONDARY_BAD)
1113	const_iv (VERIFY_BAD)	1336	const_iv (VERIFY_BAD)
1114	const_iv (VERSION_MISMATCH)	1337
		1338	const_iv (SALVAGE)
		1339	const_iv (AGGRESSIVE)
		1340	const_iv (PRINTABLE)
		1341	const_iv (NOORDERCHK)
		1342	const_iv (ORDERCHKONLY)
		1343
		1344	const_iv (ARCH_ABS)
		1345	const_iv (ARCH_DATA)
		1346	const_iv (ARCH_LOG)
		1347	const_iv (ARCH_REMOVE)
1115		1348
1116	const_iv (VERB_DEADLOCK)	1349	const_iv (VERB_DEADLOCK)
1117	const_iv (VERB_RECOVERY)	1350	const_iv (VERB_RECOVERY)
1118	const_iv (VERB_REGISTER)
1119	const_iv (VERB_REPLICATION)	1351	const_iv (VERB_REPLICATION)
1120	const_iv (VERB_WAITSFOR)	1352	const_iv (VERB_WAITSFOR)
1121		1353
1122	const_iv (VERSION_MAJOR)	1354	const_iv (VERSION_MAJOR)
1123	const_iv (VERSION_MINOR)	1355	const_iv (VERSION_MINOR)
1124	const_iv (VERSION_PATCH)	1356	const_iv (VERSION_PATCH)
1125	#if DB_VERSION_MINOR >= 5	1357	const_iv (LOGVERSION)
		1358	const_iv (LOGOLDVER)
		1359	#if DBVER >= 403
		1360	const_iv (INORDER)
		1361	const_iv (LOCK_MAXWRITE)
		1362	const_iv (SEQ_DEC)
		1363	const_iv (SEQ_INC)
		1364	const_iv (SEQ_WRAP)
		1365	const_iv (BUFFER_SMALL)
		1366	const_iv (LOG_BUFFER_FULL)
		1367	const_iv (VERSION_MISMATCH)
		1368	#endif
		1369	#if DBVER >= 404
		1370	const_iv (REGISTER)
		1371	const_iv (DSYNC_DB)
		1372	const_iv (READ_COMMITTED)
		1373	const_iv (READ_UNCOMMITTED)
		1374	const_iv (REP_IGNORE)
		1375	const_iv (REP_LOCKOUT)
		1376	const_iv (REP_JOIN_FAILURE)
		1377	const_iv (FREE_SPACE)
		1378	const_iv (FREELIST_ONLY)
		1379	const_iv (VERB_REGISTER)
		1380	#endif
		1381	#if DBVER >= 405
1126	const_iv (MULTIVERSION)	1382	const_iv (MULTIVERSION)
1127	const_iv (TXN_SNAPSHOT)	1383	const_iv (TXN_SNAPSHOT)
1128	#endif	1384	#endif
1129	#if DB_VERSION_MINOR >= 6	1385	#if DBVER >= 406
1130	const_iv (PREV_DUP)	1386	const_iv (PREV_DUP)
1131	# if 0
1132	const_iv (PRIORITY_UNCHANGED)	1387	const_iv (PRIORITY_UNCHANGED)
1133	const_iv (PRIORITY_VERY_LOW)	1388	const_iv (PRIORITY_VERY_LOW)
1134	const_iv (PRIORITY_LOW)	1389	const_iv (PRIORITY_LOW)
1135	const_iv (PRIORITY_DEFAULT)	1390	const_iv (PRIORITY_DEFAULT)
1136	const_iv (PRIORITY_HIGH)	1391	const_iv (PRIORITY_HIGH)
1137	const_iv (PRIORITY_VERY_HIGH)	1392	const_iv (PRIORITY_VERY_HIGH)
		1393	const_iv (IGNORE_LEASE)
		1394	#endif
		1395	#if DBVER >= 407
		1396	//const_iv (MULTIPLE_KEY)
		1397	const_iv (LOG_DIRECT)
		1398	const_iv (LOG_DSYNC)
		1399	const_iv (LOG_AUTO_REMOVE)
		1400	const_iv (LOG_IN_MEMORY)
		1401	const_iv (LOG_ZERO)
		1402	#else
		1403	const_iv (DIRECT_LOG)
		1404	const_iv (LOG_AUTOREMOVE)
		1405	# if DBVER >= 403
		1406	const_iv (DSYNC_LOG)
		1407	const_iv (LOG_INMEMORY)
1138	# endif	1408	# endif
		1409	#if DBVER >= 408
		1410	const_iv (LOGVERSION_LATCHING)
		1411	#endif
1139	#endif	1412	#endif
1140	};	1413	};
1141		1414
		1415	bdb_stash = gv_stashpv ("BDB" , 1);
		1416	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1417	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1418	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1419	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1420	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1421
1142	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1422	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1143	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1423	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1144		1424
1145	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1425	prepare_cb = &PL_sv_undef;
		1426
		1427	{
		1428	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1429	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1430
		1431	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1432	}
		1433
1146	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1434	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1147		1435
1148	create_respipe ();	1436	create_respipe ();
1149		1437
1150	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1438	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1151	#ifdef _WIN32	1439	patch_errno ();
1152	X_MUTEX_CHECK (wrklock);
1153	X_MUTEX_CHECK (reslock);
1154	X_MUTEX_CHECK (reqlock);
1155
1156	X_COND_CHECK (reqwait);
1157	#endif
1158	}	1440	}
1159		1441
1160	void	1442	void
1161	max_poll_reqs (int nreqs)	1443	max_poll_reqs (int nreqs)
1162	PROTOTYPE: $	1444	PROTOTYPE: $
…		…
1235		1517
1236	int	1518	int
1237	poll_fileno ()	1519	poll_fileno ()
1238	PROTOTYPE:	1520	PROTOTYPE:
1239	CODE:	1521	CODE:
1240	RETVAL = respipe [0];	1522	RETVAL = s_epipe_fd (&respipe);
1241	OUTPUT:	1523	OUTPUT:
1242	RETVAL	1524	RETVAL
1243		1525
1244	int	1526	int
1245	poll_cb (...)	1527	poll_cb (...)
…		…
1287	RETVAL = started;	1569	RETVAL = started;
1288	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1570	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1289	OUTPUT:	1571	OUTPUT:
1290	RETVAL	1572	RETVAL
1291		1573
1292	void	1574	SV *
1293	set_sync_prepare (SV *cb)	1575	set_sync_prepare (SV *cb)
1294	PROTOTYPE: &	1576	PROTOTYPE: &
1295	CODE:	1577	CODE:
1296	SvREFCNT_dec (prepare_cb);	1578	RETVAL = prepare_cb;
1297	prepare_cb = newSVsv (cb);	1579	prepare_cb = newSVsv (cb);
		1580	OUTPUT:
		1581	RETVAL
1298		1582
1299	char *	1583	char *
1300	strerror (int errorno = errno)	1584	strerror (int errorno = errno)
1301	PROTOTYPE: ;$	1585	PROTOTYPE: ;$
1302	CODE:	1586	CODE:
1303	RETVAL = db_strerror (errorno);	1587	RETVAL = db_strerror (errorno);
1304	OUTPUT:	1588	OUTPUT:
1305	RETVAL	1589	RETVAL
1306		1590
		1591	void _on_next_submit (SV *cb)
		1592	CODE:
		1593	SvREFCNT_dec (on_next_submit);
		1594	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1595
1307	DB_ENV *	1596	DB_ENV *
1308	db_env_create (U32 env_flags = 0)	1597	db_env_create (U32 env_flags = 0)
1309	CODE:	1598	CODE:
1310	{	1599	{
1311	errno = db_env_create (&RETVAL, env_flags);	1600	errno = db_env_create (&RETVAL, env_flags);
…		…
1320	}	1609	}
1321	OUTPUT:	1610	OUTPUT:
1322	RETVAL	1611	RETVAL
1323		1612
1324	void	1613	void
1325	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1614	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1615	PREINIT:
		1616	CALLBACK
1326	CODE:	1617	CODE:
1327	{	1618	{
1328	dREQ (REQ_ENV_OPEN);	1619	dREQ (REQ_ENV_OPEN, 1);
1329
1330	env->set_thread_count (env, wanted + 2);
1331
1332	req->env = env;	1620	req->env = env;
1333	req->uint1 = open_flags \| DB_THREAD;	1621	req->uint1 = open_flags \| DB_THREAD;
1334	req->int1 = mode;	1622	req->int1 = mode;
1335	req->buf1 = strdup_ornull (db_home);	1623	req->buf1 = strdup_ornull (db_home);
1336	REQ_SEND;	1624	REQ_SEND;
1337	}	1625	}
1338		1626
1339	void	1627	void
1340	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1628	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1629	PREINIT:
		1630	CALLBACK
1341	CODE:	1631	CODE:
1342	{	1632	{
1343	dREQ (REQ_ENV_CLOSE);	1633	dREQ (REQ_ENV_CLOSE, 0);
		1634	ptr_nuke (ST (0));
1344	req->env = env;	1635	req->env = env;
1345	req->uint1 = flags;	1636	req->uint1 = flags;
1346	REQ_SEND;	1637	REQ_SEND;
1347	ptr_nuke (ST (0));
1348	}	1638	}
1349		1639
1350	void	1640	void
1351	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1641	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1642	PREINIT:
		1643	CALLBACK
1352	CODE:	1644	CODE:
1353	{	1645	{
1354	dREQ (REQ_ENV_TXN_CHECKPOINT);	1646	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1355	req->env = env;	1647	req->env = env;
1356	req->uint1 = kbyte;	1648	req->uint1 = kbyte;
1357	req->int1 = min;	1649	req->int1 = min;
1358	req->uint2 = flags;	1650	req->uint2 = flags;
1359	REQ_SEND;	1651	REQ_SEND;
1360	}	1652	}
1361		1653
1362	void	1654	void
1363	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1655	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1656	PREINIT:
		1657	CALLBACK
1364	CODE:	1658	CODE:
1365	{	1659	{
1366	dREQ (REQ_ENV_LOCK_DETECT);	1660	dREQ (REQ_ENV_LOCK_DETECT, 1);
1367	req->env = env;	1661	req->env = env;
1368	req->uint1 = flags;	1662	req->uint1 = flags;
1369	req->uint2 = atype;	1663	req->uint2 = atype;
		1664	/* req->int2 = 0; dummy */
1370	REQ_SEND;	1665	REQ_SEND;
1371	}	1666	}
1372		1667
1373	void	1668	void
1374	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1669	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1670	PREINIT:
		1671	CALLBACK
1375	CODE:	1672	CODE:
1376	{	1673	{
1377	dREQ (REQ_ENV_MEMP_SYNC);	1674	dREQ (REQ_ENV_MEMP_SYNC, 1);
1378	req->env = env;	1675	req->env = env;
1379	REQ_SEND;	1676	REQ_SEND;
1380	}	1677	}
1381		1678
1382	void	1679	void
1383	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1680	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1681	PREINIT:
		1682	CALLBACK
1384	CODE:	1683	CODE:
1385	{	1684	{
1386	dREQ (REQ_ENV_MEMP_TRICKLE);	1685	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1387	req->env = env;	1686	req->env = env;
1388	req->int1 = percent;	1687	req->int1 = percent;
1389	REQ_SEND;	1688	REQ_SEND;
1390	}	1689	}
1391		1690
		1691	void
		1692	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
		1695	CODE:
		1696	{
		1697	dREQ (REQ_ENV_DBREMOVE, 2);
		1698	req->env = env;
		1699	req->buf1 = strdup_ornull (file);
		1700	req->buf2 = strdup_ornull (database);
		1701	req->uint1 = flags;
		1702	REQ_SEND;
		1703	}
		1704
		1705	void
		1706	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)
		1707	PREINIT:
		1708	CALLBACK
		1709	CODE:
		1710	{
		1711	dREQ (REQ_ENV_DBRENAME, 2);
		1712	req->env = env;
		1713	req->buf1 = strdup_ornull (file);
		1714	req->buf2 = strdup_ornull (database);
		1715	req->buf3 = strdup_ornull (newname);
		1716	req->uint1 = flags;
		1717	REQ_SEND;
		1718	}
		1719
		1720	void
		1721	db_env_lsn_reset (DB_ENV env, bdb_filename db, U32 flags = 0, SV callback = 0)
		1722	PREINIT:
		1723	CALLBACK
		1724	CODE:
		1725	{
		1726	dREQ (REQ_ENV_LSN_RESET, 1);
		1727	req->env = env;
		1728	req->uint1 = flags;
		1729	req->buf1 = strdup_ornull (db);
		1730	REQ_SEND;
		1731	}
		1732
		1733	void
		1734	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1735	PREINIT:
		1736	CALLBACK
		1737	CODE:
		1738	{
		1739	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1740	req->sv1 = SvREFCNT_inc (listp);
		1741	req->env = env;
		1742	req->uint1 = flags;
		1743	REQ_SEND;
		1744	}
1392		1745
1393	DB *	1746	DB *
1394	db_create (DB_ENV *env = 0, U32 flags = 0)	1747	db_create (DB_ENV *env = 0, U32 flags = 0)
1395	CODE:	1748	CODE:
1396	{	1749	{
…		…
1403	}	1756	}
1404	OUTPUT:	1757	OUTPUT:
1405	RETVAL	1758	RETVAL
1406		1759
1407	void	1760	void
1408	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1761	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1762	PREINIT:
		1763	CALLBACK
1409	CODE:	1764	CODE:
1410	{	1765	{
1411	dREQ (REQ_DB_OPEN);	1766	dREQ (REQ_DB_OPEN, 2);
1412	req->db = db;	1767	req->db = db;
1413	req->txn = txnid;	1768	req->txn = txnid;
1414	req->buf1 = strdup_ornull (file);	1769	req->buf1 = strdup_ornull (file);
1415	req->buf2 = strdup_ornull (database);	1770	req->buf2 = strdup_ornull (database);
1416	req->int1 = type;	1771	req->int1 = type;
…		…
1418	req->int2 = mode;	1773	req->int2 = mode;
1419	REQ_SEND;	1774	REQ_SEND;
1420	}	1775	}
1421		1776
1422	void	1777	void
1423	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1778	db_close (DB db, U32 flags = 0, SV callback = 0)
		1779	PREINIT:
		1780	CALLBACK
1424	CODE:	1781	CODE:
1425	{	1782	{
1426	dREQ (REQ_DB_CLOSE);	1783	dREQ (REQ_DB_CLOSE, 0);
		1784	ptr_nuke (ST (0));
1427	req->db = db;	1785	req->db = db;
1428	req->uint1 = flags;	1786	req->uint1 = flags;
1429	req->sv1 = (SV *)db->app_private;	1787	req->sv1 = (SV *)db->app_private;
1430	REQ_SEND;	1788	REQ_SEND;
1431	ptr_nuke (ST (0));
1432	}	1789	}
1433		1790
		1791	#if DBVER >= 404
		1792
1434	void	1793	void
1435	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)	1794	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)
		1795	PREINIT:
		1796	CALLBACK
1436	CODE:	1797	CODE:
1437	{	1798	{
1438	dREQ (REQ_DB_COMPACT);	1799	dREQ (REQ_DB_COMPACT, 2);
1439	req->db = db;	1800	req->db = db;
1440	req->txn = txn;	1801	req->txn = txn;
1441	sv_to_dbt (&req->dbt1, start);	1802	if (start) sv_to_dbt (&req->dbt1, start);
1442	sv_to_dbt (&req->dbt2, stop);	1803	if (stop ) sv_to_dbt (&req->dbt2, stop );
1443	req->uint1 = flags;	1804	req->uint1 = flags;
1444	REQ_SEND;	1805	REQ_SEND;
1445	}	1806	}
1446		1807
		1808	#endif
		1809
1447	void	1810	void
1448	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1811	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1812	PREINIT:
		1813	CALLBACK
1449	CODE:	1814	CODE:
1450	{	1815	{
1451	dREQ (REQ_DB_SYNC);	1816	dREQ (REQ_DB_SYNC, 1);
1452	req->db = db;	1817	req->db = db;
1453	req->uint1 = flags;	1818	req->uint1 = flags;
1454	REQ_SEND;	1819	REQ_SEND;
1455	}	1820	}
1456		1821
1457	void	1822	void
		1823	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1824	PREINIT:
		1825	CALLBACK
		1826	CODE:
		1827	{
		1828	dREQ (REQ_DB_VERIFY, 1);
		1829	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1830	req->db = db;
		1831	req->buf1 = strdup (file);
		1832	req->buf2 = strdup_ornull (database);
		1833	req->uint1 = flags;
		1834	REQ_SEND;
		1835	}
		1836
		1837	void
		1838	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1839	PREINIT:
		1840	CALLBACK
		1841	CODE:
		1842	{
		1843	dREQ (REQ_DB_UPGRADE, 1);
		1844	req->db = db;
		1845	req->buf1 = strdup (file);
		1846	req->uint1 = flags;
		1847	REQ_SEND;
		1848	}
		1849
		1850	void
1458	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1851	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
1459	CODE:	1854	CODE:
1460	{	1855	{
1461	dREQ (REQ_DB_KEY_RANGE);	1856	dREQ (REQ_DB_KEY_RANGE, 2);
1462	req->db = db;	1857	req->db = db;
1463	req->txn = txn;	1858	req->txn = txn;
1464	sv_to_dbt (&req->dbt1, key);	1859	sv_to_dbt (&req->dbt1, key);
1465	req->uint1 = flags;	1860	req->uint1 = flags;
1466	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1861	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1467	REQ_SEND;	1862	REQ_SEND;
1468	}	1863	}
1469		1864
1470	void	1865	void
1471	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1866	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1867	PREINIT:
		1868	CALLBACK
1472	CODE:	1869	CODE:
1473	{	1870	{
1474	dREQ (REQ_DB_PUT);	1871	dREQ (REQ_DB_PUT, 2);
1475	req->db = db;	1872	req->db = db;
1476	req->txn = txn;	1873	req->txn = txn;
1477	sv_to_dbt (&req->dbt1, key);	1874	sv_to_dbt (&req->dbt1, key);
1478	sv_to_dbt (&req->dbt2, data);	1875	sv_to_dbt (&req->dbt2, data);
1479	req->uint1 = flags;	1876	req->uint1 = flags;
1480	REQ_SEND;	1877	REQ_SEND;
1481	}	1878	}
1482		1879
		1880	#if DBVER >= 406
		1881
1483	void	1882	void
		1883	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1884	PREINIT:
		1885	CALLBACK
		1886	CODE:
		1887	{
		1888	dREQ (REQ_DB_EXISTS, 2);
		1889	req->db = db;
		1890	req->txn = txn;
		1891	req->uint1 = flags;
		1892	sv_to_dbt (&req->dbt1, key);
		1893	REQ_SEND;
		1894	}
		1895
		1896	#endif
		1897
		1898	void
1484	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1899	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1900	PREINIT:
		1901	CALLBACK
1485	CODE:	1902	CODE:
1486	{	1903	{
		1904	//TODO: key is somtimesmutable
1487	dREQ (REQ_DB_GET);	1905	dREQ (REQ_DB_GET, 2);
1488	req->db = db;	1906	req->db = db;
1489	req->txn = txn;	1907	req->txn = txn;
1490	req->uint1 = flags;	1908	req->uint1 = flags;
1491	sv_to_dbt (&req->dbt1, key);	1909	sv_to_dbt (&req->dbt1, key);
1492	req->dbt3.flags = DB_DBT_MALLOC;	1910	req->dbt3.flags = DB_DBT_MALLOC;
1493	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1911	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1494	REQ_SEND;	1912	REQ_SEND;
1495	}	1913	}
1496		1914
1497	void	1915	void
1498	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1916	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1917	PREINIT:
		1918	CALLBACK
1499	CODE:	1919	CODE:
1500	{	1920	{
		1921	//TODO: key is somtimesmutable
1501	dREQ (REQ_DB_PGET);	1922	dREQ (REQ_DB_PGET, 2);
		1923	req->db = db;
		1924	req->txn = txn;
		1925	req->uint1 = flags;
		1926
		1927	sv_to_dbt (&req->dbt1, key);
		1928
		1929	req->dbt2.flags = DB_DBT_MALLOC;
		1930	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1931
		1932	req->dbt3.flags = DB_DBT_MALLOC;
		1933	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1934	REQ_SEND;
		1935	}
		1936
		1937	void
		1938	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1939	PREINIT:
		1940	CALLBACK
		1941	CODE:
		1942	{
		1943	dREQ (REQ_DB_DEL, 2);
1502	req->db = db;	1944	req->db = db;
1503	req->txn = txn;	1945	req->txn = txn;
1504	req->uint1 = flags;	1946	req->uint1 = flags;
1505	sv_to_dbt (&req->dbt1, key);	1947	sv_to_dbt (&req->dbt1, key);
1506	sv_to_dbt (&req->dbt2, pkey);
1507	req->dbt3.flags = DB_DBT_MALLOC;
1508	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1509	REQ_SEND;	1948	REQ_SEND;
1510	}	1949	}
1511		1950
1512	void	1951	void
1513	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1952	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1953	PREINIT:
		1954	CALLBACK
1514	CODE:	1955	CODE:
1515	{	1956	{
1516	dREQ (REQ_DB_DEL);	1957	dREQ (REQ_TXN_COMMIT, 0);
1517	req->db = db;	1958	ptr_nuke (ST (0));
1518	req->txn = txn;	1959	req->txn = txn;
1519	req->uint1 = flags;	1960	req->uint1 = flags;
1520	sv_to_dbt (&req->dbt1, key);
1521	REQ_SEND;	1961	REQ_SEND;
1522	}	1962	}
1523		1963
1524	void	1964	void
1525	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1965	db_txn_abort (DB_TXN txn, SV callback = 0)
		1966	PREINIT:
		1967	CALLBACK
1526	CODE:	1968	CODE:
1527	{	1969	{
1528	dREQ (REQ_TXN_COMMIT);	1970	dREQ (REQ_TXN_ABORT, 0);
		1971	ptr_nuke (ST (0));
		1972	req->txn = txn;
		1973	REQ_SEND;
		1974	}
		1975
		1976	void
		1977	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1978	PREINIT:
		1979	CALLBACK
		1980	CODE:
		1981	{
		1982	dREQ (REQ_TXN_FINISH, 0);
		1983	ptr_nuke (ST (0));
1529	req->txn = txn;	1984	req->txn = txn;
1530	req->uint1 = flags;	1985	req->uint1 = flags;
1531	REQ_SEND;	1986	REQ_SEND;
		1987	}
		1988
		1989	void
		1990	db_c_close (DBC dbc, SV callback = 0)
		1991	PREINIT:
		1992	CALLBACK
		1993	CODE:
		1994	{
		1995	dREQ (REQ_C_CLOSE, 0);
1532	ptr_nuke (ST (0));	1996	ptr_nuke (ST (0));
1533	}
1534
1535	void
1536	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1537	CODE:
1538	{
1539	dREQ (REQ_TXN_ABORT);
1540	req->txn = txn;
1541	REQ_SEND;
1542	ptr_nuke (ST (0));
1543	}
1544
1545	void
1546	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
1547	CODE:
1548	{
1549	dREQ (REQ_TXN_FINISH);
1550	req->txn = txn;
1551	req->uint1 = flags;
1552	REQ_SEND;
1553	ptr_nuke (ST (0));
1554	}
1555
1556	void
1557	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1558	CODE:
1559	{
1560	dREQ (REQ_C_CLOSE);
1561	req->dbc = dbc;	1997	req->dbc = dbc;
1562	REQ_SEND;	1998	REQ_SEND;
1563	ptr_nuke (ST (0));
1564	}	1999	}
1565		2000
1566	void	2001	void
1567	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	2002	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		2003	PREINIT:
		2004	CALLBACK
1568	CODE:	2005	CODE:
1569	{	2006	{
1570	dREQ (REQ_C_COUNT);	2007	dREQ (REQ_C_COUNT, 1);
1571	req->dbc = dbc;	2008	req->dbc = dbc;
1572	req->sv1 = SvREFCNT_inc (count);	2009	req->sv1 = SvREFCNT_inc (count);
1573	REQ_SEND;	2010	REQ_SEND;
1574	}	2011	}
1575		2012
1576	void	2013	void
1577	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2014	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		2015	PREINIT:
		2016	CALLBACK
1578	CODE:	2017	CODE:
1579	{	2018	{
1580	dREQ (REQ_C_PUT);	2019	dREQ (REQ_C_PUT, 1);
1581	req->dbc = dbc;	2020	req->dbc = dbc;
1582	sv_to_dbt (&req->dbt1, key);	2021	sv_to_dbt (&req->dbt1, key);
1583	sv_to_dbt (&req->dbt2, data);	2022	sv_to_dbt (&req->dbt2, data);
1584	req->uint1 = flags;	2023	req->uint1 = flags;
1585	REQ_SEND;	2024	REQ_SEND;
1586	}	2025	}
1587		2026
1588	void	2027	void
1589	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2028	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		2029	PREINIT:
		2030	CALLBACK
1590	CODE:	2031	CODE:
1591	{	2032	{
		2033	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2034	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2035	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2036	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2037	"key",
		2038	"BDB::db_c_get");
		2039
		2040	{
1592	dREQ (REQ_C_GET);	2041	dREQ (REQ_C_GET, 1);
		2042	req->dbc = dbc;
		2043	req->uint1 = flags;
		2044	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2045	sv_to_dbt (&req->dbt1, key);
		2046	else
		2047	{
		2048	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2049	sv_to_dbt (&req->dbt1, key);
		2050	else
		2051	req->dbt1.flags = DB_DBT_MALLOC;
		2052
		2053	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2054	}
		2055
		2056	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2057	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2058	sv_to_dbt (&req->dbt3, data);
		2059	else
		2060	req->dbt3.flags = DB_DBT_MALLOC;
		2061
		2062	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2063	REQ_SEND;
		2064	}
		2065	}
		2066
		2067	void
		2068	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		2069	PREINIT:
		2070	CALLBACK
		2071	CODE:
		2072	{
		2073	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2074	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2075	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2076	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2077	"key",
		2078	"BDB::db_c_pget");
		2079
		2080	{
		2081	dREQ (REQ_C_PGET, 1);
		2082	req->dbc = dbc;
		2083	req->uint1 = flags;
		2084	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2085	sv_to_dbt (&req->dbt1, key);
		2086	else
		2087	{
		2088	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2089	sv_to_dbt (&req->dbt1, key);
		2090	else
		2091	req->dbt1.flags = DB_DBT_MALLOC;
		2092
		2093	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2094	}
		2095
		2096	req->dbt2.flags = DB_DBT_MALLOC;
		2097	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2098
		2099	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2100	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2101	sv_to_dbt (&req->dbt3, data);
		2102	else
		2103	req->dbt3.flags = DB_DBT_MALLOC;
		2104
		2105	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2106	REQ_SEND;
		2107	}
		2108	}
		2109
		2110	void
		2111	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2112	PREINIT:
		2113	CALLBACK
		2114	CODE:
		2115	{
		2116	dREQ (REQ_C_DEL, 1);
1593	req->dbc = dbc;	2117	req->dbc = dbc;
1594	req->uint1 = flags;	2118	req->uint1 = flags;
1595	if ((flags & DB_SET) == DB_SET
1596	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1597	sv_to_dbt (&req->dbt1, key);
1598	else
1599	req->dbt1.flags = DB_DBT_MALLOC;
1600
1601	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1602
1603	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1604	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1605	sv_to_dbt (&req->dbt3, data);
1606	else
1607	req->dbt3.flags = DB_DBT_MALLOC;
1608
1609	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1610	REQ_SEND;	2119	REQ_SEND;
1611	}	2120	}
1612		2121
1613	void
1614	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1615	CODE:
1616	{
1617	dREQ (REQ_C_PGET);
1618	req->dbc = dbc;
1619	req->uint1 = flags;
1620	if ((flags & DB_SET) == DB_SET
1621	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1622	sv_to_dbt (&req->dbt1, key);
1623	else
1624	req->dbt1.flags = DB_DBT_MALLOC;
1625		2122
1626	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2123	#if DBVER >= 403
1627		2124
1628	req->dbt2.flags = DB_DBT_MALLOC;
1629	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1630
1631	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1632	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1633	sv_to_dbt (&req->dbt3, data);
1634	else
1635	req->dbt3.flags = DB_DBT_MALLOC;
1636
1637	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1638	REQ_SEND;
1639	}
1640
1641	void	2125	void
1642	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1643	CODE:
1644	{
1645	dREQ (REQ_C_DEL);
1646	req->dbc = dbc;
1647	req->uint1 = flags;
1648	REQ_SEND;
1649	}
1650
1651
1652	void
1653	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	2126	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2127	PREINIT:
		2128	CALLBACK
1654	CODE:	2129	CODE:
1655	{	2130	{
1656	dREQ (REQ_SEQ_OPEN);	2131	dREQ (REQ_SEQ_OPEN, 2);
1657	req->seq = seq;	2132	req->seq = seq;
1658	req->txn = txnid;	2133	req->txn = txnid;
1659	req->uint1 = flags \| DB_THREAD;	2134	req->uint1 = flags \| DB_THREAD;
1660	sv_to_dbt (&req->dbt1, key);	2135	sv_to_dbt (&req->dbt1, key);
1661	REQ_SEND;	2136	REQ_SEND;
1662	}	2137	}
1663		2138
1664	void	2139	void
1665	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2140	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2141	PREINIT:
		2142	CALLBACK
1666	CODE:	2143	CODE:
1667	{	2144	{
1668	dREQ (REQ_SEQ_CLOSE);	2145	dREQ (REQ_SEQ_CLOSE, 0);
		2146	ptr_nuke (ST (0));
1669	req->seq = seq;	2147	req->seq = seq;
1670	req->uint1 = flags;	2148	req->uint1 = flags;
1671	REQ_SEND;	2149	REQ_SEND;
1672	ptr_nuke (ST (0));
1673	}	2150	}
1674		2151
1675	void	2152	void
1676	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)	2153	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2154	PREINIT:
		2155	CALLBACK
1677	CODE:	2156	CODE:
1678	{	2157	{
1679	dREQ (REQ_SEQ_GET);	2158	dREQ (REQ_SEQ_GET, 2);
1680	req->seq = seq;	2159	req->seq = seq;
1681	req->txn = txnid;	2160	req->txn = txnid;
1682	req->int1 = delta;	2161	req->int1 = delta;
1683	req->uint1 = flags;	2162	req->uint1 = flags;
1684	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2163	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1685	REQ_SEND;	2164	REQ_SEND;
1686	}	2165	}
1687		2166
1688	void	2167	void
1689	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2168	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2169	PREINIT:
		2170	CALLBACK
1690	CODE:	2171	CODE:
1691	{	2172	{
1692	dREQ (REQ_SEQ_REMOVE);	2173	dREQ (REQ_SEQ_REMOVE, 2);
1693	req->seq = seq;	2174	req->seq = seq;
1694	req->txn = txnid;	2175	req->txn = txnid;
1695	req->uint1 = flags;	2176	req->uint1 = flags;
1696	REQ_SEND;	2177	REQ_SEND;
1697	}	2178	}
1698		2179
		2180	#endif
		2181
1699		2182
1700	MODULE = BDB PACKAGE = BDB::Env	2183	MODULE = BDB PACKAGE = BDB::Env
1701		2184
1702	void	2185	void
1703	DESTROY (DB_ENV_ornull *env)	2186	DESTROY (DB_ENV_ornuked *env)
1704	CODE:	2187	CODE:
1705	if (env)	2188	if (env)
1706	env->close (env, 0);	2189	env->close (env, 0);
1707		2190
1708	int set_data_dir (DB_ENV env, const char dir)	2191	int set_data_dir (DB_ENV env, const char dir)
…		…
1733	CODE:	2216	CODE:
1734	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2217	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1735	OUTPUT:	2218	OUTPUT:
1736	RETVAL	2219	RETVAL
1737		2220
1738	int set_flags (DB_ENV *env, U32 flags, int onoff)	2221	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1739	CODE:	2222	CODE:
1740	RETVAL = env->set_flags (env, flags, onoff);	2223	RETVAL = env->set_flags (env, flags, onoff);
1741	OUTPUT:	2224	OUTPUT:
1742	RETVAL	2225	RETVAL
1743		2226
		2227	#if DBVER >= 407
		2228
		2229	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2230	CODE:
		2231	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2232	OUTPUT:
		2233	RETVAL
		2234
		2235	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2236	CODE:
		2237	RETVAL = env->log_set_config (env, flags, onoff);
		2238	OUTPUT:
		2239	RETVAL
		2240
		2241	#endif
		2242
		2243
1744	void set_errfile (DB_ENV env, FILE errfile = 0)	2244	void set_errfile (DB_ENV env, FILE errfile = 0)
1745	CODE:	2245	CODE:
1746	env->set_errfile (env, errfile);	2246	env->set_errfile (env, errfile);
1747		2247
1748	void set_msgfile (DB_ENV env, FILE msgfile = 0)	2248	void set_msgfile (DB_ENV env, FILE msgfile = 0)
1749	CODE:	2249	CODE:
1750	env->set_msgfile (env, msgfile);	2250	env->set_msgfile (env, msgfile);
1751		2251
1752	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2252	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1753	CODE:	2253	CODE:
1754	RETVAL = env->set_verbose (env, which, onoff);	2254	RETVAL = env->set_verbose (env, which, onoff);
1755	OUTPUT:	2255	OUTPUT:
1756	RETVAL	2256	RETVAL
1757		2257
…		…
1818	int set_lg_max (DB_ENV *env, U32 max)	2318	int set_lg_max (DB_ENV *env, U32 max)
1819	CODE:	2319	CODE:
1820	RETVAL = env->set_lg_max (env, max);	2320	RETVAL = env->set_lg_max (env, max);
1821	OUTPUT:	2321	OUTPUT:
1822	RETVAL	2322	RETVAL
		2323
		2324	#if DBVER >= 404
1823		2325
1824	int mutex_set_max (DB_ENV *env, U32 max)	2326	int mutex_set_max (DB_ENV *env, U32 max)
1825	CODE:	2327	CODE:
1826	RETVAL = env->mutex_set_max (env, max);	2328	RETVAL = env->mutex_set_max (env, max);
1827	OUTPUT:	2329	OUTPUT:
…		…
1843	CODE:	2345	CODE:
1844	RETVAL = env->mutex_set_align (env, align);	2346	RETVAL = env->mutex_set_align (env, align);
1845	OUTPUT:	2347	OUTPUT:
1846	RETVAL	2348	RETVAL
1847		2349
		2350	#endif
		2351
1848	DB_TXN *	2352	DB_TXN *
1849	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2353	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1850	CODE:	2354	CODE:
1851	errno = env->txn_begin (env, parent, &RETVAL, flags);	2355	errno = env->txn_begin (env, parent, &RETVAL, flags);
1852	if (errno)	2356	if (errno)
1853	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2357	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1854	OUTPUT:	2358	OUTPUT:
1855	RETVAL	2359	RETVAL
1856		2360
		2361	#if DBVER >= 405
		2362
		2363	DB_TXN *
		2364	cdsgroup_begin (DB_ENV *env)
		2365	CODE:
		2366	errno = env->cdsgroup_begin (env, &RETVAL);
		2367	if (errno)
		2368	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2369	OUTPUT:
		2370	RETVAL
		2371
		2372	#endif
		2373
1857	MODULE = BDB PACKAGE = BDB::Db	2374	MODULE = BDB PACKAGE = BDB::Db
1858		2375
1859	void	2376	void
1860	DESTROY (DB_ornull *db)	2377	DESTROY (DB_ornuked *db)
1861	CODE:	2378	CODE:
1862	if (db)	2379	if (db)
1863	{	2380	{
1864	SV env = (SV )db->app_private;	2381	SV env = (SV )db->app_private;
1865	db->close (db, 0);	2382	db->close (db, 0);
…		…
1870	CODE:	2387	CODE:
1871	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2388	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1872	OUTPUT:	2389	OUTPUT:
1873	RETVAL	2390	RETVAL
1874		2391
		2392	int set_pagesize (DB *db, U32 pagesize)
		2393	CODE:
		2394	RETVAL = db->set_pagesize (db, pagesize);
		2395	OUTPUT:
		2396	RETVAL
		2397
1875	int set_flags (DB *db, U32 flags)	2398	int set_flags (DB *db, U32 flags)
1876	CODE:	2399	CODE:
1877	RETVAL = db->set_flags (db, flags);	2400	RETVAL = db->set_flags (db, flags);
1878	OUTPUT:	2401	OUTPUT:
1879	RETVAL	2402	RETVAL
…		…
1945	if (errno)	2468	if (errno)
1946	croak ("DB->cursor: %s", db_strerror (errno));	2469	croak ("DB->cursor: %s", db_strerror (errno));
1947	OUTPUT:	2470	OUTPUT:
1948	RETVAL	2471	RETVAL
1949		2472
		2473	#if DBVER >= 403
		2474
1950	DB_SEQUENCE *	2475	DB_SEQUENCE *
1951	sequence (DB *db, U32 flags = 0)	2476	sequence (DB *db, U32 flags = 0)
1952	CODE:	2477	CODE:
1953	{	2478	{
1954	errno = db_sequence_create (&RETVAL, db, flags);	2479	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1956	croak ("db_sequence_create: %s", db_strerror (errno));	2481	croak ("db_sequence_create: %s", db_strerror (errno));
1957	}	2482	}
1958	OUTPUT:	2483	OUTPUT:
1959	RETVAL	2484	RETVAL
1960		2485
		2486	#endif
		2487
1961		2488
1962	MODULE = BDB PACKAGE = BDB::Txn	2489	MODULE = BDB PACKAGE = BDB::Txn
1963		2490
1964	void	2491	void
1965	DESTROY (DB_TXN_ornull *txn)	2492	DESTROY (DB_TXN_ornuked *txn)
1966	CODE:	2493	CODE:
1967	if (txn)	2494	if (txn)
1968	txn->abort (txn);	2495	txn->abort (txn);
1969		2496
1970	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)	2497	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
…		…
1981		2508
1982		2509
1983	MODULE = BDB PACKAGE = BDB::Cursor	2510	MODULE = BDB PACKAGE = BDB::Cursor
1984		2511
1985	void	2512	void
1986	DESTROY (DBC_ornull *dbc)	2513	DESTROY (DBC_ornuked *dbc)
1987	CODE:	2514	CODE:
1988	if (dbc)	2515	if (dbc)
1989	dbc->c_close (dbc);	2516	dbc->c_close (dbc);
1990		2517
		2518	#if DBVER >= 406
		2519
		2520	int set_priority (DBC *dbc, int priority)
		2521	CODE:
		2522	dbc->set_priority (dbc, priority);
		2523
		2524	#endif
		2525
		2526	#if DBVER >= 403
		2527
1991	MODULE = BDB PACKAGE = BDB::Sequence	2528	MODULE = BDB PACKAGE = BDB::Sequence
1992		2529
1993	void	2530	void
1994	DESTROY (DB_SEQUENCE_ornull *seq)	2531	DESTROY (DB_SEQUENCE_ornuked *seq)
1995	CODE:	2532	CODE:
1996	if (seq)	2533	if (seq)
1997	seq->close (seq, 0);	2534	seq->close (seq, 0);
1998		2535
1999	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2536	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
2018	CODE:	2555	CODE:
2019	RETVAL = seq->set_range (seq, min, max);	2556	RETVAL = seq->set_range (seq, min, max);
2020	OUTPUT:	2557	OUTPUT:
2021	RETVAL	2558	RETVAL
2022		2559
		2560	#endif
		2561
		2562

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Comparing BDB/BDB.xs (file contents): Revision 1.23 by root, Fri Dec 7 13:38:54 2007 UTC vs. Revision 1.79 by root, Tue Feb 2 04:07:06 2016 UTC

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Comparing BDB/BDB.xs (file contents):
Revision 1.23 by root, Fri Dec 7 13:38:54 2007 UTC vs.
Revision 1.79 by root, Tue Feb 2 04:07:06 2016 UTC