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

Comparing BDB/BDB.xs (file contents):
Revision 1.13 by root, Sun Jul 8 11:12:12 2007 UTC vs.
Revision 1.80 by root, Tue Feb 2 04:24:00 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;
		65
		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
		75	# define c_close close
		76	# define c_count count
		77	# define c_del del
		78	# define c_dup dup
		79	# define c_get get
		80	# define c_pget pget
		81	# define c_put put
		82	#endif
		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
		114	static void
		115	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		116	{
		117	printf ("err[%s]\n", msg);
		118	}
		119
		120	static void
		121	debug_msgcall (const DB_ENV dbenv, const char msg)
		122	{
		123	printf ("msg[%s]\n", msg);
		124	}
49		125
50	static char *	126	static char *
51	strdup_ornull (const char *s)	127	strdup_ornull (const char *s)
52	{	128	{
53	return s ? strdup (s) : 0;	129	return s ? strdup (s) : 0;
…		…
69	dbt_to_sv (SV sv, DBT dbt)	145	dbt_to_sv (SV sv, DBT dbt)
70	{	146	{
71	if (sv)	147	if (sv)
72	{	148	{
73	SvREADONLY_off (sv);	149	SvREADONLY_off (sv);
		150
		151	if (dbt->data)
74	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
75	SvREFCNT_dec (sv);	156	SvREFCNT_dec (sv);
76	}	157	}
77		158
78	free (dbt->data);	159	free (dbt->data);
79	}	160	}
80		161
81	enum {	162	enum {
82	REQ_QUIT,	163	REQ_QUIT,
83	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,
84	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,
85	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,
86	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,
87	REQ_TXN_COMMIT, REQ_TXN_ABORT,	169	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
88	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	170	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
89	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	171	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
90	};	172	};
91		173
92	typedef struct aio_cb	174	typedef struct bdb_cb
93	{	175	{
94	struct aio_cb *volatile next;	176	struct bdb_cb *volatile next;
95	SV *callback;	177	SV *callback;
96	int type, pri, result;	178	int type, pri, result;
97		179
98	DB_ENV *env;	180	DB_ENV *env;
99	DB *db;	181	DB *db;
…		…
101	DBC *dbc;	183	DBC *dbc;
102		184
103	UV uv1;	185	UV uv1;
104	int int1, int2;	186	int int1, int2;
105	U32 uint1, uint2;	187	U32 uint1, uint2;
106	char buf1, buf2;	188	char buf1, buf2, *buf3;
107	SV sv1, sv2, *sv3;	189	SV sv1, sv2, *sv3;
108		190
109	DBT dbt1, dbt2, dbt3;	191	DBT dbt1, dbt2, dbt3;
110	DB_KEY_RANGE key_range;	192	DB_KEY_RANGE key_range;
		193	#if DBVER >= 403
111	DB_SEQUENCE *seq;	194	DB_SEQUENCE *seq;
112	db_seq_t seq_t;	195	db_seq_t seq_t;
113	} aio_cb;	196	#endif
114		197
		198	SV rsv1, rsv2; // keep some request objects alive
		199	} bdb_cb;
		200
115	typedef aio_cb *aio_req;	201	typedef bdb_cb *bdb_req;
116		202
117	enum {	203	enum {
118	PRI_MIN = -4,	204	PRI_MIN = -4,
119	PRI_MAX = 4,	205	PRI_MAX = 4,
120		206
…		…
123	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	209	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
124	};	210	};
125		211
126	#define AIO_TICKS ((1000000 + 1023) >> 10)	212	#define AIO_TICKS ((1000000 + 1023) >> 10)
127		213
		214	static SV *on_next_submit;
		215
128	static unsigned int max_poll_time = 0;	216	static unsigned int max_poll_time = 0;
129	static unsigned int max_poll_reqs = 0;	217	static unsigned int max_poll_reqs = 0;
130		218
131	/* calculcate time difference in ~1/AIO_TICKS of a second */	219	/* calculcate time difference in ~1/AIO_TICKS of a second */
132	static int tvdiff (struct timeval tv1, struct timeval tv2)	220	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
138	static int next_pri = DEFAULT_PRI + PRI_BIAS;	226	static int next_pri = DEFAULT_PRI + PRI_BIAS;
139		227
140	static unsigned int started, idle, wanted;	228	static unsigned int started, idle, wanted;
141		229
142	/* worker threads management */	230	/* worker threads management */
143	static mutex_t wrklock = X_MUTEX_INIT;	231	static xmutex_t wrklock = X_MUTEX_INIT;
144		232
145	typedef struct worker {	233	typedef struct worker {
146	/* locked by wrklock */	234	/* locked by wrklock */
147	struct worker prev, next;	235	struct worker prev, next;
148		236
149	thread_t tid;	237	xthread_t tid;
150		238
151	/* locked by reslock, reqlock or wrklock */	239	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	240	bdb_req req; /* currently processed request */
153	void *dbuf;	241	void *dbuf;
154	DIR *dirp;	242	DIR *dirp;
155	} worker;	243	} worker;
156		244
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	245	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	257	}
170		258
171	static volatile unsigned int nreqs, nready, npending;	259	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	260	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	261	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2], respipe_osf [2];	262	static s_epipe respipe;
175		263
176	static mutex_t reslock = X_MUTEX_INIT;	264	static xmutex_t reslock = X_MUTEX_INIT;
177	static mutex_t reqlock = X_MUTEX_INIT;	265	static xmutex_t reqlock = X_MUTEX_INIT;
178	static cond_t reqwait = X_COND_INIT;	266	static xcond_t reqwait = X_COND_INIT;
179		267
180	#if WORDACCESS_UNSAFE	268	#if WORDACCESS_UNSAFE
181		269
182	static unsigned int get_nready ()	270	static unsigned int get_nready (void)
183	{	271	{
184	unsigned int retval;	272	unsigned int retval;
185		273
186	X_LOCK (reqlock);	274	X_LOCK (reqlock);
187	retval = nready;	275	retval = nready;
188	X_UNLOCK (reqlock);	276	X_UNLOCK (reqlock);
189		277
190	return retval;	278	return retval;
191	}	279	}
192		280
193	static unsigned int get_npending ()	281	static unsigned int get_npending (void)
194	{	282	{
195	unsigned int retval;	283	unsigned int retval;
196		284
197	X_LOCK (reslock);	285	X_LOCK (reslock);
198	retval = npending;	286	retval = npending;
199	X_UNLOCK (reslock);	287	X_UNLOCK (reslock);
200		288
201	return retval;	289	return retval;
202	}	290	}
203		291
204	static unsigned int get_nthreads ()	292	static unsigned int get_nthreads (void)
205	{	293	{
206	unsigned int retval;	294	unsigned int retval;
207		295
208	X_LOCK (wrklock);	296	X_LOCK (wrklock);
209	retval = started;	297	retval = started;
…		…
224	* a somewhat faster data structure might be nice, but	312	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	313	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	314	* per shift, the most expensive operation.
227	*/	315	*/
228	typedef struct {	316	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	317	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	318	int size;
231	} reqq;	319	} reqq;
232		320
233	static reqq req_queue;	321	static reqq req_queue;
234	static reqq res_queue;	322	static reqq res_queue;
235		323
236	int reqq_push (reqq *q, aio_req req)	324	int reqq_push (reqq *q, bdb_req req)
237	{	325	{
238	int pri = req->pri;	326	int pri = req->pri;
239	req->next = 0;	327	req->next = 0;
240		328
241	if (q->qe[pri])	329	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	335	q->qe[pri] = q->qs[pri] = req;
248		336
249	return q->size++;	337	return q->size++;
250	}	338	}
251		339
252	aio_req reqq_shift (reqq *q)	340	bdb_req reqq_shift (reqq *q)
253	{	341	{
254	int pri;	342	int pri;
255		343
256	if (!q->size)	344	if (!q->size)
257	return 0;	345	return 0;
258		346
259	--q->size;	347	--q->size;
260		348
261	for (pri = NUM_PRI; pri--; )	349	for (pri = NUM_PRI; pri--; )
262	{	350	{
263	aio_req req = q->qs[pri];	351	bdb_req req = q->qs[pri];
264		352
265	if (req)	353	if (req)
266	{	354	{
267	if (!(q->qs[pri] = req->next))	355	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	356	q->qe[pri] = 0;
…		…
272	}	360	}
273		361
274	abort ();	362	abort ();
275	}	363	}
276		364
277	static int poll_cb ();	365	static int poll_cb (void);
278	static void req_free (aio_req req);	366	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);
280		367
281	static int req_invoke (aio_req req)	368	static int req_invoke (bdb_req req)
282	{	369	{
283	dSP;	370	switch (req->type)
284
285	if (SvOK (req->callback))
286	{	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
287	ENTER;	442	ENTER;
288	SAVETMPS;	443	SAVETMPS;
289	PUSHMARK (SP);	444	PUSHMARK (SP);
290		445
291	switch (req->type)
292	{
293	case REQ_DB_CLOSE:
294	SvREFCNT_dec (req->sv1);
295	break;
296
297	case REQ_DB_GET:
298	case REQ_DB_PGET:
299	dbt_to_sv (req->sv3, &req->dbt3);
300	break;
301
302	case REQ_C_GET:
303	case REQ_C_PGET:
304	dbt_to_sv (req->sv1, &req->dbt1);
305	dbt_to_sv (req->sv2, &req->dbt2);
306	dbt_to_sv (req->sv3, &req->dbt3);
307	break;
308
309	case REQ_DB_KEY_RANGE:
310	{
311	AV *av = newAV ();
312
313	av_push (av, newSVnv (req->key_range.less));
314	av_push (av, newSVnv (req->key_range.equal));
315	av_push (av, newSVnv (req->key_range.greater));
316
317	SvREADONLY_off (req->sv1);
318	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
319	SvREFCNT_dec (req->sv1);
320	}
321	break;
322
323	case REQ_SEQ_GET:
324	SvREADONLY_off (req->sv1);
325
326	if (sizeof (IV) > 4)
327	sv_setiv_mg (req->sv1, req->seq_t);
328	else
329	sv_setnv_mg (req->sv1, req->seq_t);
330
331	SvREFCNT_dec (req->sv1);
332	break;
333	}
334
335	errno = req->result;
336
337	PUTBACK;	446	PUTBACK;
338	call_sv (req->callback, G_VOID \| G_EVAL);	447	call_sv (req->callback, G_VOID \| G_EVAL);
339	SPAGAIN;	448	SPAGAIN;
340		449
341	FREETMPS;	450	FREETMPS;
342	LEAVE;	451	LEAVE;
		452
		453	return !SvTRUE (ERRSV);
343	}	454	}
344		455
345	return !SvTRUE (ERRSV);	456	return 1;
346	}	457	}
347		458
348	static void req_free (aio_req req)	459	static void req_free (bdb_req req)
349	{	460	{
		461	SvREFCNT_dec (req->callback);
		462
		463	SvREFCNT_dec (req->rsv1);
		464	SvREFCNT_dec (req->rsv2);
		465
350	free (req->buf1);	466	free (req->buf1);
351	free (req->buf2);	467	free (req->buf2);
		468	free (req->buf3);
		469
352	Safefree (req);	470	Safefree (req);
353	}	471	}
354		472
355	#ifdef USE_SOCKETS_AS_HANDLES
356	# define TO_SOCKET(x) (win32_get_osfhandle (x))
357	#else
358	# define TO_SOCKET(x) (x)
359	#endif
360
361	static void	473	static void
362	create_pipe (int fd[2])	474	create_respipe (void)
363	{	475	{
364	#ifdef _WIN32	476	if (s_epipe_renew (&respipe))
365	int arg = 1;	477	croak ("BDB: unable to create event pipe");
366	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
367	\|\| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
368	\|\| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
369	#else
370	if (pipe (fd)
371	\|\| fcntl (fd [0], F_SETFL, O_NONBLOCK)
372	\|\| fcntl (fd [1], F_SETFL, O_NONBLOCK))
373	#endif
374	croak ("unable to initialize result pipe");
375
376	respipe_osf [0] = TO_SOCKET (respipe [0]);
377	respipe_osf [1] = TO_SOCKET (respipe [1]);
378	}	478	}
379		479
		480	static void bdb_request (bdb_req req);
380	X_THREAD_PROC (bdb_proc);	481	X_THREAD_PROC (bdb_proc);
381		482
382	static void start_thread (void)	483	static void start_thread (void)
383	{	484	{
384	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
385		486
386	if (!wrk)	487	if (!wrk)
387	croak ("unable to allocate worker thread data");	488	croak ("unable to allocate worker thread data");
388		489
389	X_LOCK (wrklock);	490	X_LOCK (wrklock);
390	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))	491	if (xthread_create (&wrk->tid, bdb_proc, (void *)wrk))
391	{	492	{
392	wrk->prev = &wrk_first;	493	wrk->prev = &wrk_first;
393	wrk->next = wrk_first.next;	494	wrk->next = wrk_first.next;
394	wrk_first.next->prev = wrk;	495	wrk_first.next->prev = wrk;
395	wrk_first.next = wrk;	496	wrk_first.next = wrk;
…		…
399	free (wrk);	500	free (wrk);
400		501
401	X_UNLOCK (wrklock);	502	X_UNLOCK (wrklock);
402	}	503	}
403		504
404	static void maybe_start_thread ()	505	static void maybe_start_thread (void)
405	{	506	{
406	if (get_nthreads () >= wanted)	507	if (get_nthreads () >= wanted)
407	return;	508	return;
408		509
409	/* todo: maybe use idle here, but might be less exact */	510	/* todo: maybe use idle here, but might be less exact */
…		…
411	return;	512	return;
412		513
413	start_thread ();	514	start_thread ();
414	}	515	}
415		516
416	static void req_send (aio_req req)	517	static void req_send (bdb_req req)
417	{	518	{
418	SV *wait_callback = 0;	519	SV *wait_callback = 0;
419		520
420	// synthesize callback if none given	521	if (on_next_submit)
421	if (!SvOK (req->callback))
422	{	522	{
423	int count;
424
425	dSP;	523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
426	PUSHMARK (SP);	528	PUSHMARK (SP);
427	PUTBACK;	529	PUTBACK;
428	count = call_sv (prepare_cb, G_ARRAY);	530	call_sv (cb, G_DISCARD \| G_EVAL);
429	SPAGAIN;	531	SPAGAIN;
		532	}
430		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
431	if (count != 2)	547	if (count != 2)
432	croak ("prepare callback must return exactly two values\n");	548	croak ("sync prepare callback must return exactly two values\n");
433		549
434	wait_callback = SvREFCNT_inc (POPs);	550	wait_callback = POPs;
435	SvREFCNT_dec (req->callback);
436	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	}
437	}	561	}
438		562
439	++nreqs;	563	++nreqs;
440		564
441	X_LOCK (reqlock);	565	X_LOCK (reqlock);
…		…
450	{	574	{
451	dSP;	575	dSP;
452	PUSHMARK (SP);	576	PUSHMARK (SP);
453	PUTBACK;	577	PUTBACK;
454	call_sv (wait_callback, G_DISCARD);	578	call_sv (wait_callback, G_DISCARD);
455	SvREFCNT_dec (wait_callback);
456	}	579	}
457	}	580	}
458		581
459	static void end_thread (void)	582	static void end_thread (void)
460	{	583	{
461	aio_req req;	584	bdb_req req = calloc (1, sizeof (bdb_cb));
462
463	Newz (0, req, 1, aio_cb);
464		585
465	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
466	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
467		588
468	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
495		616
496	while (started > wanted)	617	while (started > wanted)
497	end_thread ();	618	end_thread ();
498	}	619	}
499		620
500	static void poll_wait ()	621	static void poll_wait (void)
501	{	622	{
502	fd_set rfd;
503
504	while (nreqs)	623	while (nreqs)
505	{	624	{
506	int size;	625	int size;
507	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
508	size = res_queue.size;	627	size = res_queue.size;
…		…
511	if (size)	630	if (size)
512	return;	631	return;
513		632
514	maybe_start_thread ();	633	maybe_start_thread ();
515		634
516	FD_ZERO (&rfd);	635	s_epipe_wait (&respipe);
517	FD_SET (respipe [0], &rfd);
518
519	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
520	}	636	}
521	}	637	}
522		638
523	static int poll_cb ()	639	static int poll_cb (void)
524	{	640	{
525	dSP;	641	dSP;
526	int count = 0;	642	int count = 0;
527	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
528	int do_croak = 0;	644	int do_croak = 0;
529	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
530	aio_req req;	646	bdb_req req;
531		647
532	if (max_poll_time)	648	if (max_poll_time)
533	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
534		650
535	for (;;)	651	for (;;)
…		…
544	if (req)	660	if (req)
545	{	661	{
546	--npending;	662	--npending;
547		663
548	if (!res_queue.size)	664	if (!res_queue.size)
549	{
550	/* read any signals sent by the worker threads */	665	/* read any signals sent by the worker threads */
551	char buf [4];	666	s_epipe_drain (&respipe);
552	while (respipe_read (respipe [0], buf, 4) == 4)
553	;
554	}
555	}	667	}
556		668
557	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
558		670
559	if (!req)	671	if (!req)
…		…
594	return count;	706	return count;
595	}	707	}
596		708
597	/*****************************************************************************/	709	/*****************************************************************************/
598		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	#if DBVER >= 407
		865	case REQ_ENV_LSN_RESET:
		866	req->result = req->env->lsn_reset (req->env, req->buf1, req->uint1);
		867	break;
		868	#endif
		869
		870	case REQ_ENV_LOG_ARCHIVE:
		871	{
		872	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		873	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		874	req->buf1 = (char *)listp;
		875	}
		876	break;
		877
		878	default:
		879	req->result = ENOSYS;
		880	break;
		881	}
		882
		883	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		884	req->txn->flags \|= TXN_DEADLOCK;
		885	}
		886
599	X_THREAD_PROC (bdb_proc)	887	X_THREAD_PROC (bdb_proc)
600	{	888	{
601	aio_req req;	889	bdb_req req;
602	struct timespec ts;	890	struct timespec ts;
603	worker self = (worker )thr_arg;	891	worker self = (worker )thr_arg;
604		892
605	/* try to distribute timeouts somewhat evenly */	893	/* try to distribute timeouts somewhat evenly */
606	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	894	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
607		895
608	for (;;)	896	for (;;)
609	{	897	{
610	ts.tv_sec = time (0) + IDLE_TIMEOUT;	898	ts.tv_sec = time (0) + IDLE_TIMEOUT;
611		899
612	X_LOCK (reqlock);	900	X_LOCK (reqlock);
613		901
614	for (;;)	902	for (;;)
615	{	903	{
…		…
642	}	930	}
643		931
644	--nready;	932	--nready;
645		933
646	X_UNLOCK (reqlock);	934	X_UNLOCK (reqlock);
647		935
648	switch (req->type)	936	if (req->type == REQ_QUIT)
649	{	937	{
650	case REQ_QUIT:	938	X_LOCK (reslock);
		939	free (req);
		940	self->req = 0;
		941	X_UNLOCK (reslock);
		942
651	goto quit;	943	goto quit;
652
653	case REQ_ENV_OPEN:
654	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
655	break;
656
657	case REQ_ENV_CLOSE:
658	req->result = req->env->close (req->env, req->uint1);
659	break;
660
661	case REQ_ENV_TXN_CHECKPOINT:
662	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
663	break;
664
665	case REQ_ENV_LOCK_DETECT:
666	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
667	break;
668
669	case REQ_ENV_MEMP_SYNC:
670	req->result = req->env->memp_sync (req->env, 0);
671	break;
672
673	case REQ_ENV_MEMP_TRICKLE:
674	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
675	break;
676
677	case REQ_DB_OPEN:
678	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
679	break;
680
681	case REQ_DB_CLOSE:
682	req->result = req->db->close (req->db, req->uint1);
683	break;
684
685	case REQ_DB_COMPACT:
686	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
687	break;
688
689	case REQ_DB_SYNC:
690	req->result = req->db->sync (req->db, req->uint1);
691	break;
692
693	case REQ_DB_PUT:
694	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
695	break;
696
697	case REQ_DB_GET:
698	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
699	break;
700
701	case REQ_DB_PGET:
702	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
703	break;
704
705	case REQ_DB_DEL:
706	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
707	break;
708
709	case REQ_DB_KEY_RANGE:
710	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
711	break;
712
713	case REQ_TXN_COMMIT:
714	req->result = req->txn->commit (req->txn, req->uint1);
715	break;
716
717	case REQ_TXN_ABORT:
718	req->result = req->txn->abort (req->txn);
719	break;
720
721	case REQ_C_CLOSE:
722	req->result = req->dbc->c_close (req->dbc);
723	break;
724
725	case REQ_C_COUNT:
726	{
727	db_recno_t recno;
728	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
729	req->uv1 = recno;
730	}
731	break;
732
733	case REQ_C_PUT:
734	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
735	break;
736
737	case REQ_C_GET:
738	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
739	break;
740
741	case REQ_C_PGET:
742	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
743	break;
744
745	case REQ_C_DEL:
746	req->result = req->dbc->c_del (req->dbc, req->uint1);
747	break;
748
749	case REQ_SEQ_OPEN:
750	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
751	break;
752
753	case REQ_SEQ_CLOSE:
754	req->result = req->seq->close (req->seq, req->uint1);
755	break;
756
757	case REQ_SEQ_GET:
758	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
759	break;
760
761	case REQ_SEQ_REMOVE:
762	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
763	break;
764
765	default:
766	req->result = ENOSYS;
767	break;
768	}	944	}
769		945
		946	bdb_request (req);
		947
770	X_LOCK (reslock);	948	X_LOCK (reslock);
771		949
772	++npending;	950	++npending;
773		951
774	if (!reqq_push (&res_queue, req))	952	if (!reqq_push (&res_queue, req))
775	/* write a dummy byte to the pipe so fh becomes ready */	953	s_epipe_signal (&respipe);
776	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
777		954
778	self->req = 0;	955	self->req = 0;
779	worker_clear (self);	956	worker_clear (self);
780		957
781	X_UNLOCK (reslock);	958	X_UNLOCK (reslock);
…		…
805	X_UNLOCK (wrklock);	982	X_UNLOCK (wrklock);
806	}	983	}
807		984
808	static void atfork_child (void)	985	static void atfork_child (void)
809	{	986	{
810	aio_req prv;	987	bdb_req prv;
811		988
812	while (prv = reqq_shift (&req_queue))	989	while (prv = reqq_shift (&req_queue))
813	req_free (prv);	990	req_free (prv);
814		991
815	while (prv = reqq_shift (&res_queue))	992	while (prv = reqq_shift (&res_queue))
…		…
830	idle = 0;	1007	idle = 0;
831	nreqs = 0;	1008	nreqs = 0;
832	nready = 0;	1009	nready = 0;
833	npending = 0;	1010	npending = 0;
834		1011
835	respipe_close (respipe [0]);
836	respipe_close (respipe [1]);
837
838	create_pipe (respipe);	1012	create_respipe ();
839		1013
840	atfork_parent ();	1014	atfork_parent ();
841	}	1015	}
842		1016
843	#define dREQ(reqtype) \	1017	#define dREQ(reqtype,rsvcnt) \
844	aio_req req; \	1018	bdb_req req; \
845	int req_pri = next_pri; \	1019	int req_pri = next_pri; \
846	next_pri = DEFAULT_PRI + PRI_BIAS; \	1020	next_pri = DEFAULT_PRI + PRI_BIAS; \
847	\	1021	\
848	if (SvOK (callback) && !SvROK (callback)) \	1022	if (callback && SvOK (callback)) \
849	croak ("callback must be undef or of reference type"); \	1023	croak ("callback has illegal type or extra arguments"); \
850	\	1024	\
851	Newz (0, req, 1, aio_cb); \	1025	Newz (0, req, 1, bdb_cb); \
852	if (!req) \	1026	if (!req) \
853	croak ("out of memory during aio_req allocation"); \	1027	croak ("out of memory during bdb_req allocation"); \
854	\	1028	\
855	req->callback = newSVsv (callback); \	1029	req->callback = SvREFCNT_inc (cb); \
856	req->type = (reqtype); \	1030	req->type = (reqtype); \
857	req->pri = req_pri	1031	req->pri = req_pri; \
		1032	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1033	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1034	(void)0;
858		1035
859	#define REQ_SEND \	1036	#define REQ_SEND \
860	req_send (req)	1037	req_send (req)
861		1038
862	#define SvPTR(var, arg, type, class, nullok) \	1039	#define SvPTR(var, arg, type, stash, class, nullok) \
863	if (!SvOK (arg)) \	1040	if (!SvOK (arg)) \
864	{ \	1041	{ \
865	if (!nullok) \	1042	if (nullok != 1) \
866	croak (# var " must be a " # class " object, not undef"); \	1043	croak (# var " must be a " # class " object, not undef"); \
867	\	1044	\
868	(var) = 0; \	1045	(var) = 0; \
869	} \	1046	} \
870	else if (sv_derived_from ((arg), # class)) \	1047	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
871	{ \	1048	{ \
872	IV tmp = SvIV ((SV*) SvRV (arg)); \	1049	IV tmp = SvIV ((SV*) SvRV (arg)); \
873	(var) = INT2PTR (type, tmp); \	1050	(var) = INT2PTR (type, tmp); \
874	if (!var) \	1051	if (!var && nullok != 2) \
875	croak (# var " is not a valid " # class " object anymore"); \	1052	croak (# var " is not a valid " # class " object anymore"); \
876	} \	1053	} \
877	else \	1054	else \
878	croak (# var " is not of type " # class); \	1055	croak (# var " is not of type " # class);
879	\	1056
		1057	#define ARG_MUTABLE(name) \
		1058	if (SvREADONLY (name)) \
		1059	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1060
		1061	static SV *
		1062	newSVptr (void ptr, HV stash)
		1063	{
		1064	SV *rv = NEWSV (0, 0);
		1065	sv_upgrade (rv, SVt_PVMG);
		1066	sv_setiv (rv, PTR2IV (ptr));
		1067
		1068	return sv_bless (newRV_noinc (rv), stash);
		1069	}
880		1070
881	static void	1071	static void
882	ptr_nuke (SV *sv)	1072	ptr_nuke (SV *sv)
883	{	1073	{
884	assert (SvROK (sv));	1074	assert (SvROK (sv));
885	sv_setiv (SvRV (sv), 0);	1075	sv_setiv (SvRV (sv), 0);
886	}	1076	}
887		1077
		1078	static int
		1079	errno_get (pTHX_ SV sv, MAGIC mg)
		1080	{
		1081	if (*mg->mg_ptr == '!') // should always be the case
		1082	if (-30999 <= errno && errno <= -30800)
		1083	{
		1084	sv_setnv (sv, (NV)errno);
		1085	sv_setpv (sv, db_strerror (errno));
		1086	SvNOK_on (sv); /* what a wonderful hack! */
		1087	// ^^^ copied from perl sources
		1088	return 0;
		1089	}
		1090
		1091	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1092	}
		1093
		1094	static MGVTBL vtbl_errno;
		1095
		1096	// this wonderful hack :( patches perl's $! variable to support our errno values
		1097	static void
		1098	patch_errno (void)
		1099	{
		1100	SV *sv;
		1101	MAGIC *mg;
		1102
		1103	if (!(sv = get_sv ("!", 1)))
		1104	return;
		1105
		1106	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1107	return;
		1108
		1109	if (mg->mg_virtual != &PL_vtbl_sv)
		1110	return;
		1111
		1112	vtbl_errno = PL_vtbl_sv;
		1113	vtbl_errno.svt_get = errno_get;
		1114	mg->mg_virtual = &vtbl_errno;
		1115	}
		1116
		1117	#if __GNUC__ >= 4
		1118	# define noinline __attribute__ ((noinline))
		1119	#else
		1120	# define noinline
		1121	#endif
		1122
		1123	static noinline SV *
		1124	pop_callback (I32 ritems, SV sv)
		1125	{
		1126	if (SvROK (sv))
		1127	{
		1128	HV *st;
		1129	GV *gvp;
		1130	CV *cv;
		1131	const char *name;
		1132
		1133	/* forgive me */
		1134	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1135	&& (st = SvSTASH (SvRV (sv)))
		1136	&& (name = HvNAME_get (st))
		1137	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1138	return 0;
		1139
		1140	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1141	{
		1142	--*ritems;
		1143	return (SV *)cv;
		1144	}
		1145	}
		1146
		1147	return 0;
		1148	}
		1149
		1150	/*****************************************************************************/
		1151
		1152	#if 0
		1153	static int
		1154	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1155	{
		1156	ssize_t size1 = dbt1->size;
		1157	ssize_t size2 = dbt2->size;
		1158	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1159	size1 <= size2 ? size1 : size2);
		1160
		1161	if (res)
		1162	return res;
		1163	else if (size1 - size2)
		1164	return size1 - size2;
		1165	else
		1166	return 0;
		1167	}
		1168
		1169	static size_t
		1170	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1171	{
		1172	ssize_t size1 = dbt1->size;
		1173	ssize_t size2 = dbt2->size;
		1174	u_int8_t p1 = (u_int8_t )dbt1->data;
		1175	u_int8_t p2 = (u_int8_t )dbt2->data;
		1176	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1177
		1178	while (p1 < pe)
		1179	if (p1++ != p2++)
		1180	return p1 - (u_int8_t *)dbt1->data - 1;
		1181
		1182	if (size1 < size2) return size1 + 1;
		1183	if (size1 > size2) return size2 + 1;
		1184
		1185	return size1;
		1186	}
		1187	#endif
		1188
		1189	/*****************************************************************************/
		1190
		1191	/* stupid windows defines CALLBACK as well */
		1192	#undef CALLBACK
		1193	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1194
888	MODULE = BDB PACKAGE = BDB	1195	MODULE = BDB PACKAGE = BDB
889		1196
890	PROTOTYPES: ENABLE	1197	PROTOTYPES: ENABLE
891		1198
892	BOOT:	1199	BOOT:
893	{	1200	{
894	HV *stash = gv_stashpv ("BDB", 1);
895
896	static const struct {	1201	static const struct {
897	const char *name;	1202	const char *name;
898	IV iv;	1203	IV iv;
899	} *civ, const_iv[] = {	1204	} *civ, const_iv[] = {
900	#define const_iv(name) { # name, (IV)DB_ ## name },	1205	#define const_iv(name) { # name, (IV)DB_ ## name },
		1206	#if DBVER <= 408
901	const_iv (RPCCLIENT)	1207	const_iv (RPCCLIENT)
		1208	#endif
902	const_iv (INIT_CDB)	1209	const_iv (INIT_CDB)
903	const_iv (INIT_LOCK)	1210	const_iv (INIT_LOCK)
904	const_iv (INIT_LOG)	1211	const_iv (INIT_LOG)
905	const_iv (INIT_MPOOL)	1212	const_iv (INIT_MPOOL)
906	const_iv (INIT_REP)	1213	const_iv (INIT_REP)
907	const_iv (INIT_TXN)	1214	const_iv (INIT_TXN)
908	const_iv (RECOVER)	1215	const_iv (RECOVER)
909	const_iv (INIT_TXN)	1216	const_iv (INIT_TXN)
910	const_iv (RECOVER_FATAL)	1217	const_iv (RECOVER_FATAL)
911	const_iv (CREATE)	1218	const_iv (CREATE)
		1219	const_iv (RDONLY)
912	const_iv (USE_ENVIRON)	1220	const_iv (USE_ENVIRON)
913	const_iv (USE_ENVIRON_ROOT)	1221	const_iv (USE_ENVIRON_ROOT)
914	const_iv (LOCKDOWN)	1222	const_iv (LOCKDOWN)
915	const_iv (PRIVATE)	1223	const_iv (PRIVATE)
916	const_iv (REGISTER)
917	const_iv (SYSTEM_MEM)	1224	const_iv (SYSTEM_MEM)
918	const_iv (AUTO_COMMIT)	1225	const_iv (AUTO_COMMIT)
919	const_iv (CDB_ALLDB)	1226	const_iv (CDB_ALLDB)
920	const_iv (DIRECT_DB)	1227	const_iv (DIRECT_DB)
921	const_iv (DIRECT_LOG)
922	const_iv (DSYNC_DB)
923	const_iv (DSYNC_LOG)
924	const_iv (LOG_AUTOREMOVE)
925	const_iv (LOG_INMEMORY)
926	const_iv (NOLOCKING)	1228	const_iv (NOLOCKING)
927	const_iv (NOMMAP)	1229	const_iv (NOMMAP)
928	const_iv (NOPANIC)	1230	const_iv (NOPANIC)
929	const_iv (OVERWRITE)	1231	const_iv (OVERWRITE)
930	const_iv (PANIC_ENVIRONMENT)	1232	const_iv (PANIC_ENVIRONMENT)
931	const_iv (REGION_INIT)	1233	const_iv (REGION_INIT)
932	const_iv (TIME_NOTGRANTED)	1234	const_iv (TIME_NOTGRANTED)
933	const_iv (TXN_NOSYNC)	1235	const_iv (TXN_NOSYNC)
		1236	const_iv (TXN_NOT_DURABLE)
934	const_iv (TXN_WRITE_NOSYNC)	1237	const_iv (TXN_WRITE_NOSYNC)
935	const_iv (WRITECURSOR)	1238	const_iv (WRITECURSOR)
936	const_iv (YIELDCPU)	1239	const_iv (YIELDCPU)
937	const_iv (ENCRYPT_AES)	1240	const_iv (ENCRYPT_AES)
		1241	#if DBVER < 408
938	const_iv (XA_CREATE)	1242	const_iv (XA_CREATE)
		1243	#endif
939	const_iv (BTREE)	1244	const_iv (BTREE)
940	const_iv (HASH)	1245	const_iv (HASH)
941	const_iv (QUEUE)	1246	const_iv (QUEUE)
942	const_iv (RECNO)	1247	const_iv (RECNO)
943	const_iv (UNKNOWN)	1248	const_iv (UNKNOWN)
944	const_iv (EXCL)	1249	const_iv (EXCL)
945	const_iv (READ_COMMITTED)
946	const_iv (READ_UNCOMMITTED)
947	const_iv (TRUNCATE)	1250	const_iv (TRUNCATE)
948	const_iv (NOSYNC)	1251	const_iv (NOSYNC)
949	const_iv (CHKSUM)	1252	const_iv (CHKSUM)
950	const_iv (ENCRYPT)	1253	const_iv (ENCRYPT)
951	const_iv (TXN_NOT_DURABLE)
952	const_iv (DUP)	1254	const_iv (DUP)
953	const_iv (DUPSORT)	1255	const_iv (DUPSORT)
954	const_iv (RECNUM)	1256	//const_iv (RECNUM)
955	const_iv (RENUMBER)	1257	const_iv (RENUMBER)
956	const_iv (REVSPLITOFF)	1258	const_iv (REVSPLITOFF)
957	const_iv (INORDER)
958	const_iv (CONSUME)	1259	const_iv (CONSUME)
959	const_iv (CONSUME_WAIT)	1260	const_iv (CONSUME_WAIT)
960	const_iv (GET_BOTH)	1261	const_iv (GET_BOTH)
961	const_iv (GET_BOTH_RANGE)	1262	const_iv (GET_BOTH_RANGE)
962	//const_iv (SET_RECNO)	1263	//const_iv (SET_RECNO)
963	//const_iv (MULTIPLE)	1264	//const_iv (MULTIPLE)
964	const_iv (SNAPSHOT)	1265	const_iv (SNAPSHOT)
965	const_iv (JOIN_ITEM)	1266	const_iv (JOIN_ITEM)
		1267	const_iv (JOIN_NOSORT)
966	const_iv (RMW)	1268	const_iv (RMW)
967		1269
968	const_iv (NOTFOUND)	1270	const_iv (NOTFOUND)
969	const_iv (KEYEMPTY)	1271	const_iv (KEYEMPTY)
970	const_iv (LOCK_DEADLOCK)	1272	const_iv (LOCK_DEADLOCK)
971	const_iv (LOCK_NOTGRANTED)	1273	const_iv (LOCK_NOTGRANTED)
972	const_iv (RUNRECOVERY)	1274	const_iv (RUNRECOVERY)
973	const_iv (OLD_VERSION)	1275	const_iv (OLD_VERSION)
974	const_iv (REP_HANDLE_DEAD)	1276	const_iv (REP_HANDLE_DEAD)
975	const_iv (REP_LOCKOUT)
976	const_iv (SECONDARY_BAD)	1277	const_iv (SECONDARY_BAD)
977
978	const_iv (FREE_SPACE)
979	const_iv (FREELIST_ONLY)
980		1278
981	const_iv (APPEND)	1279	const_iv (APPEND)
982	const_iv (NODUPDATA)	1280	const_iv (NODUPDATA)
983	const_iv (NOOVERWRITE)	1281	const_iv (NOOVERWRITE)
984		1282
…		…
986	const_iv (TXN_SYNC)	1284	const_iv (TXN_SYNC)
987		1285
988	const_iv (SET_LOCK_TIMEOUT)	1286	const_iv (SET_LOCK_TIMEOUT)
989	const_iv (SET_TXN_TIMEOUT)	1287	const_iv (SET_TXN_TIMEOUT)
990		1288
991	const_iv (JOIN_ITEM)
992	const_iv (FIRST)	1289	const_iv (FIRST)
993	const_iv (NEXT)	1290	const_iv (NEXT)
994	const_iv (NEXT_DUP)	1291	const_iv (NEXT_DUP)
995	const_iv (NEXT_NODUP)	1292	const_iv (NEXT_NODUP)
996	const_iv (PREV)	1293	const_iv (PREV)
…		…
1008	const_iv (FORCE)	1305	const_iv (FORCE)
1009		1306
1010	const_iv (LOCK_DEFAULT)	1307	const_iv (LOCK_DEFAULT)
1011	const_iv (LOCK_EXPIRE)	1308	const_iv (LOCK_EXPIRE)
1012	const_iv (LOCK_MAXLOCKS)	1309	const_iv (LOCK_MAXLOCKS)
1013	const_iv (LOCK_MAXWRITE)
1014	const_iv (LOCK_MINLOCKS)	1310	const_iv (LOCK_MINLOCKS)
1015	const_iv (LOCK_MINWRITE)	1311	const_iv (LOCK_MINWRITE)
1016	const_iv (LOCK_OLDEST)	1312	const_iv (LOCK_OLDEST)
1017	const_iv (LOCK_RANDOM)	1313	const_iv (LOCK_RANDOM)
1018	const_iv (LOCK_YOUNGEST)	1314	const_iv (LOCK_YOUNGEST)
1019		1315
		1316	const_iv (DONOTINDEX)
		1317	const_iv (KEYEMPTY)
		1318	const_iv (KEYEXIST)
		1319	const_iv (LOCK_DEADLOCK)
		1320	const_iv (LOCK_NOTGRANTED)
		1321	const_iv (NOSERVER)
		1322	#if DBVER < 502
		1323	const_iv (NOSERVER_HOME)
		1324	const_iv (NOSERVER_ID)
		1325	#endif
		1326	const_iv (NOTFOUND)
		1327	const_iv (PAGE_NOTFOUND)
		1328	const_iv (REP_DUPMASTER)
		1329	const_iv (REP_HANDLE_DEAD)
		1330	const_iv (REP_HOLDELECTION)
		1331	const_iv (REP_ISPERM)
		1332	const_iv (REP_NEWMASTER)
		1333	const_iv (REP_NEWSITE)
		1334	const_iv (REP_NOTPERM)
		1335	const_iv (REP_UNAVAIL)
		1336	const_iv (RUNRECOVERY)
		1337	const_iv (SECONDARY_BAD)
		1338	const_iv (VERIFY_BAD)
		1339
		1340	const_iv (SALVAGE)
		1341	const_iv (AGGRESSIVE)
		1342	const_iv (PRINTABLE)
		1343	const_iv (NOORDERCHK)
		1344	const_iv (ORDERCHKONLY)
		1345
		1346	const_iv (ARCH_ABS)
		1347	const_iv (ARCH_DATA)
		1348	const_iv (ARCH_LOG)
		1349	const_iv (ARCH_REMOVE)
		1350
		1351	const_iv (VERB_DEADLOCK)
		1352	const_iv (VERB_RECOVERY)
		1353	const_iv (VERB_REPLICATION)
		1354	const_iv (VERB_WAITSFOR)
		1355
		1356	const_iv (VERSION_MAJOR)
		1357	const_iv (VERSION_MINOR)
		1358	const_iv (VERSION_PATCH)
		1359	const_iv (LOGVERSION)
		1360	const_iv (LOGOLDVER)
		1361	#if DBVER >= 403
		1362	const_iv (INORDER)
		1363	const_iv (LOCK_MAXWRITE)
1020	const_iv (SEQ_DEC)	1364	const_iv (SEQ_DEC)
1021	const_iv (SEQ_INC)	1365	const_iv (SEQ_INC)
1022	const_iv (SEQ_WRAP)	1366	const_iv (SEQ_WRAP)
1023	#if DB_VERSION_MINOR >= 5	1367	const_iv (BUFFER_SMALL)
		1368	const_iv (LOG_BUFFER_FULL)
		1369	const_iv (VERSION_MISMATCH)
		1370	#endif
		1371	#if DBVER >= 404
		1372	const_iv (REGISTER)
		1373	const_iv (DSYNC_DB)
		1374	const_iv (READ_COMMITTED)
		1375	const_iv (READ_UNCOMMITTED)
		1376	const_iv (REP_IGNORE)
		1377	const_iv (REP_LOCKOUT)
		1378	const_iv (REP_JOIN_FAILURE)
		1379	const_iv (FREE_SPACE)
		1380	const_iv (FREELIST_ONLY)
		1381	const_iv (VERB_REGISTER)
		1382	#endif
		1383	#if DBVER >= 405
1024	const_iv (MULTIVERSION)	1384	const_iv (MULTIVERSION)
1025	const_iv (TXN_SNAPSHOT)	1385	const_iv (TXN_SNAPSHOT)
1026	#endif	1386	#endif
		1387	#if DBVER >= 406
		1388	const_iv (PREV_DUP)
		1389	const_iv (PRIORITY_UNCHANGED)
		1390	const_iv (PRIORITY_VERY_LOW)
		1391	const_iv (PRIORITY_LOW)
		1392	const_iv (PRIORITY_DEFAULT)
		1393	const_iv (PRIORITY_HIGH)
		1394	const_iv (PRIORITY_VERY_HIGH)
		1395	const_iv (IGNORE_LEASE)
		1396	#endif
		1397	#if DBVER >= 407
		1398	//const_iv (MULTIPLE_KEY)
		1399	const_iv (LOG_DIRECT)
		1400	const_iv (LOG_DSYNC)
		1401	const_iv (LOG_AUTO_REMOVE)
		1402	const_iv (LOG_IN_MEMORY)
		1403	const_iv (LOG_ZERO)
		1404	#else
		1405	const_iv (DIRECT_LOG)
		1406	const_iv (LOG_AUTOREMOVE)
		1407	# if DBVER >= 403
		1408	const_iv (DSYNC_LOG)
		1409	const_iv (LOG_INMEMORY)
		1410	# endif
		1411	#if DBVER >= 408
		1412	const_iv (LOGVERSION_LATCHING)
		1413	#endif
		1414	#endif
1027	};	1415	};
1028		1416
		1417	bdb_stash = gv_stashpv ("BDB" , 1);
		1418	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1419	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1420	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1421	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1422	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1423
1029	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1424	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1030	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1425	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1031		1426
		1427	prepare_cb = &PL_sv_undef;
		1428
		1429	{
		1430	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1431	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1432
		1433	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1434	}
		1435
		1436	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1437
1032	create_pipe (respipe);	1438	create_respipe ();
1033		1439
1034	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1440	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1035	#ifdef _WIN32	1441	patch_errno ();
1036	X_MUTEX_CHECK (wrklock);
1037	X_MUTEX_CHECK (reslock);
1038	X_MUTEX_CHECK (reqlock);
1039
1040	X_COND_CHECK (reqwait);
1041	#endif
1042	}	1442	}
1043		1443
1044	void	1444	void
1045	max_poll_reqs (int nreqs)	1445	max_poll_reqs (int nreqs)
1046	PROTOTYPE: $	1446	PROTOTYPE: $
…		…
1119		1519
1120	int	1520	int
1121	poll_fileno ()	1521	poll_fileno ()
1122	PROTOTYPE:	1522	PROTOTYPE:
1123	CODE:	1523	CODE:
1124	RETVAL = respipe [0];	1524	RETVAL = s_epipe_fd (&respipe);
1125	OUTPUT:	1525	OUTPUT:
1126	RETVAL	1526	RETVAL
1127		1527
1128	int	1528	int
1129	poll_cb (...)	1529	poll_cb (...)
…		…
1171	RETVAL = started;	1571	RETVAL = started;
1172	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1572	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1173	OUTPUT:	1573	OUTPUT:
1174	RETVAL	1574	RETVAL
1175		1575
1176	void	1576	SV *
1177	set_sync_prepare (SV *cb)	1577	set_sync_prepare (SV *cb)
1178	PROTOTYPE: &	1578	PROTOTYPE: &
1179	CODE:	1579	CODE:
1180	SvREFCNT_dec (prepare_cb);	1580	RETVAL = prepare_cb;
1181	prepare_cb = newSVsv (cb);	1581	prepare_cb = newSVsv (cb);
		1582	OUTPUT:
		1583	RETVAL
1182		1584
		1585	char *
		1586	strerror (int errorno = errno)
		1587	PROTOTYPE: ;$
		1588	CODE:
		1589	RETVAL = db_strerror (errorno);
		1590	OUTPUT:
		1591	RETVAL
		1592
		1593	void _on_next_submit (SV *cb)
		1594	CODE:
		1595	SvREFCNT_dec (on_next_submit);
		1596	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1183		1597
1184	DB_ENV *	1598	DB_ENV *
1185	db_env_create (U32 env_flags = 0)	1599	db_env_create (U32 env_flags = 0)
1186	CODE:	1600	CODE:
1187	{	1601	{
1188	errno = db_env_create (&RETVAL, env_flags);	1602	errno = db_env_create (&RETVAL, env_flags);
1189	if (errno)	1603	if (errno)
1190	croak ("db_env_create: %s", db_strerror (errno));	1604	croak ("db_env_create: %s", db_strerror (errno));
		1605
		1606	if (0)
		1607	{
		1608	RETVAL->set_errcall (RETVAL, debug_errcall);
		1609	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1610	}
1191	}	1611	}
1192	OUTPUT:	1612	OUTPUT:
1193	RETVAL	1613	RETVAL
1194		1614
1195	void	1615	void
1196	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1616	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1617	PREINIT:
		1618	CALLBACK
1197	CODE:	1619	CODE:
1198	{	1620	{
1199	dREQ (REQ_ENV_OPEN);	1621	dREQ (REQ_ENV_OPEN, 1);
1200
1201	env->set_thread_count (env, get_nthreads ());
1202
1203	req->env = env;	1622	req->env = env;
1204	req->uint1 = open_flags \| DB_THREAD;	1623	req->uint1 = open_flags \| DB_THREAD;
1205	req->int1 = mode;	1624	req->int1 = mode;
1206	req->buf1 = strdup_ornull (db_home);	1625	req->buf1 = strdup_ornull (db_home);
1207	REQ_SEND;	1626	REQ_SEND;
1208	}	1627	}
1209		1628
1210	void	1629	void
1211	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1630	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1631	PREINIT:
		1632	CALLBACK
1212	CODE:	1633	CODE:
1213	{	1634	{
1214	dREQ (REQ_ENV_CLOSE);	1635	dREQ (REQ_ENV_CLOSE, 0);
		1636	ptr_nuke (ST (0));
1215	req->env = env;	1637	req->env = env;
1216	req->uint1 = flags;	1638	req->uint1 = flags;
1217	REQ_SEND;	1639	REQ_SEND;
1218	ptr_nuke (ST (0));
1219	}	1640	}
1220		1641
1221	void	1642	void
1222	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1643	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1644	PREINIT:
		1645	CALLBACK
1223	CODE:	1646	CODE:
1224	{	1647	{
1225	dREQ (REQ_ENV_TXN_CHECKPOINT);	1648	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1226	req->env = env;	1649	req->env = env;
1227	req->uint1 = kbyte;	1650	req->uint1 = kbyte;
1228	req->int1 = min;	1651	req->int1 = min;
1229	req->uint2 = flags;	1652	req->uint2 = flags;
1230	REQ_SEND;	1653	REQ_SEND;
1231	}	1654	}
1232		1655
1233	void	1656	void
1234	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1657	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1235	CODE:	1660	CODE:
1236	{	1661	{
1237	dREQ (REQ_ENV_LOCK_DETECT);	1662	dREQ (REQ_ENV_LOCK_DETECT, 1);
1238	req->env = env;	1663	req->env = env;
1239	req->uint1 = flags;	1664	req->uint1 = flags;
1240	req->uint2 = atype;	1665	req->uint2 = atype;
		1666	/* req->int2 = 0; dummy */
1241	REQ_SEND;	1667	REQ_SEND;
1242	}	1668	}
1243		1669
1244	void	1670	void
1245	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1671	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1672	PREINIT:
		1673	CALLBACK
1246	CODE:	1674	CODE:
1247	{	1675	{
1248	dREQ (REQ_ENV_MEMP_SYNC);	1676	dREQ (REQ_ENV_MEMP_SYNC, 1);
1249	req->env = env;	1677	req->env = env;
1250	REQ_SEND;	1678	REQ_SEND;
1251	}	1679	}
1252		1680
1253	void	1681	void
1254	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1682	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1683	PREINIT:
		1684	CALLBACK
1255	CODE:	1685	CODE:
1256	{	1686	{
1257	dREQ (REQ_ENV_MEMP_TRICKLE);	1687	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1258	req->env = env;	1688	req->env = env;
1259	req->int1 = percent;	1689	req->int1 = percent;
1260	REQ_SEND;	1690	REQ_SEND;
1261	}	1691	}
1262		1692
		1693	void
		1694	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1695	PREINIT:
		1696	CALLBACK
		1697	CODE:
		1698	{
		1699	dREQ (REQ_ENV_DBREMOVE, 2);
		1700	req->env = env;
		1701	req->buf1 = strdup_ornull (file);
		1702	req->buf2 = strdup_ornull (database);
		1703	req->uint1 = flags;
		1704	REQ_SEND;
		1705	}
		1706
		1707	void
		1708	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)
		1709	PREINIT:
		1710	CALLBACK
		1711	CODE:
		1712	{
		1713	dREQ (REQ_ENV_DBRENAME, 2);
		1714	req->env = env;
		1715	req->buf1 = strdup_ornull (file);
		1716	req->buf2 = strdup_ornull (database);
		1717	req->buf3 = strdup_ornull (newname);
		1718	req->uint1 = flags;
		1719	REQ_SEND;
		1720	}
		1721
		1722	void
		1723	db_env_lsn_reset (DB_ENV env, bdb_filename db, U32 flags = 0, SV callback = 0)
		1724	PREINIT:
		1725	CALLBACK
		1726	CODE:
		1727	{
		1728	dREQ (REQ_ENV_LSN_RESET, 1);
		1729	req->env = env;
		1730	req->uint1 = flags;
		1731	req->buf1 = strdup_ornull (db);
		1732	REQ_SEND;
		1733	}
		1734
		1735	void
		1736	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
		1739	CODE:
		1740	{
		1741	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1742	req->sv1 = SvREFCNT_inc (listp);
		1743	req->env = env;
		1744	req->uint1 = flags;
		1745	REQ_SEND;
		1746	}
1263		1747
1264	DB *	1748	DB *
1265	db_create (DB_ENV *env = 0, U32 flags = 0)	1749	db_create (DB_ENV *env = 0, U32 flags = 0)
1266	CODE:	1750	CODE:
1267	{	1751	{
…		…
1274	}	1758	}
1275	OUTPUT:	1759	OUTPUT:
1276	RETVAL	1760	RETVAL
1277		1761
1278	void	1762	void
1279	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1763	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1764	PREINIT:
		1765	CALLBACK
1280	CODE:	1766	CODE:
1281	{	1767	{
1282	dREQ (REQ_DB_OPEN);	1768	dREQ (REQ_DB_OPEN, 2);
1283	req->db = db;	1769	req->db = db;
1284	req->txn = txnid;	1770	req->txn = txnid;
1285	req->buf1 = strdup_ornull (file);	1771	req->buf1 = strdup_ornull (file);
1286	req->buf2 = strdup_ornull (database);	1772	req->buf2 = strdup_ornull (database);
1287	req->int1 = type;	1773	req->int1 = type;
…		…
1289	req->int2 = mode;	1775	req->int2 = mode;
1290	REQ_SEND;	1776	REQ_SEND;
1291	}	1777	}
1292		1778
1293	void	1779	void
1294	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1780	db_close (DB db, U32 flags = 0, SV callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1295	CODE:	1783	CODE:
1296	{	1784	{
1297	dREQ (REQ_DB_CLOSE);	1785	dREQ (REQ_DB_CLOSE, 0);
		1786	ptr_nuke (ST (0));
1298	req->db = db;	1787	req->db = db;
1299	req->uint1 = flags;	1788	req->uint1 = flags;
1300	req->sv1 = (SV *)db->app_private;	1789	req->sv1 = (SV *)db->app_private;
1301	REQ_SEND;	1790	REQ_SEND;
1302	ptr_nuke (ST (0));
1303	}	1791	}
1304		1792
		1793	#if DBVER >= 404
		1794
1305	void	1795	void
1306	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)	1796	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)
		1797	PREINIT:
		1798	CALLBACK
1307	CODE:	1799	CODE:
1308	{	1800	{
1309	dREQ (REQ_DB_COMPACT);	1801	dREQ (REQ_DB_COMPACT, 2);
1310	req->db = db;	1802	req->db = db;
1311	req->txn = txn;	1803	req->txn = txn;
1312	sv_to_dbt (&req->dbt1, start);	1804	if (start) sv_to_dbt (&req->dbt1, start);
1313	sv_to_dbt (&req->dbt2, stop);	1805	if (stop ) sv_to_dbt (&req->dbt2, stop );
1314	req->uint1 = flags;	1806	req->uint1 = flags;
1315	REQ_SEND;	1807	REQ_SEND;
1316	}	1808	}
1317		1809
		1810	#endif
		1811
1318	void	1812	void
1319	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1813	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1814	PREINIT:
		1815	CALLBACK
1320	CODE:	1816	CODE:
1321	{	1817	{
1322	dREQ (REQ_DB_SYNC);	1818	dREQ (REQ_DB_SYNC, 1);
1323	req->db = db;	1819	req->db = db;
1324	req->uint1 = flags;	1820	req->uint1 = flags;
1325	REQ_SEND;	1821	REQ_SEND;
1326	}	1822	}
1327		1823
1328	void	1824	void
		1825	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1826	PREINIT:
		1827	CALLBACK
		1828	CODE:
		1829	{
		1830	dREQ (REQ_DB_VERIFY, 1);
		1831	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1832	req->db = db;
		1833	req->buf1 = strdup (file);
		1834	req->buf2 = strdup_ornull (database);
		1835	req->uint1 = flags;
		1836	REQ_SEND;
		1837	}
		1838
		1839	void
		1840	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1841	PREINIT:
		1842	CALLBACK
		1843	CODE:
		1844	{
		1845	dREQ (REQ_DB_UPGRADE, 1);
		1846	req->db = db;
		1847	req->buf1 = strdup (file);
		1848	req->uint1 = flags;
		1849	REQ_SEND;
		1850	}
		1851
		1852	void
1329	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1853	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
1330	CODE:	1856	CODE:
1331	{	1857	{
1332	dREQ (REQ_DB_KEY_RANGE);	1858	dREQ (REQ_DB_KEY_RANGE, 2);
1333	req->db = db;	1859	req->db = db;
1334	req->txn = txn;	1860	req->txn = txn;
1335	sv_to_dbt (&req->dbt1, key);	1861	sv_to_dbt (&req->dbt1, key);
1336	req->uint1 = flags;	1862	req->uint1 = flags;
1337	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1863	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1338	REQ_SEND;	1864	REQ_SEND;
1339	}	1865	}
1340		1866
1341	void	1867	void
1342	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1868	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1869	PREINIT:
		1870	CALLBACK
1343	CODE:	1871	CODE:
1344	{	1872	{
1345	dREQ (REQ_DB_PUT);	1873	dREQ (REQ_DB_PUT, 2);
1346	req->db = db;	1874	req->db = db;
1347	req->txn = txn;	1875	req->txn = txn;
1348	sv_to_dbt (&req->dbt1, key);	1876	sv_to_dbt (&req->dbt1, key);
1349	sv_to_dbt (&req->dbt2, data);	1877	sv_to_dbt (&req->dbt2, data);
1350	req->uint1 = flags;	1878	req->uint1 = flags;
1351	REQ_SEND;	1879	REQ_SEND;
1352	}	1880	}
1353		1881
		1882	#if DBVER >= 406
		1883
1354	void	1884	void
		1885	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1886	PREINIT:
		1887	CALLBACK
		1888	CODE:
		1889	{
		1890	dREQ (REQ_DB_EXISTS, 2);
		1891	req->db = db;
		1892	req->txn = txn;
		1893	req->uint1 = flags;
		1894	sv_to_dbt (&req->dbt1, key);
		1895	REQ_SEND;
		1896	}
		1897
		1898	#endif
		1899
		1900	void
1355	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1901	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1902	PREINIT:
		1903	CALLBACK
1356	CODE:	1904	CODE:
1357	{	1905	{
		1906	//TODO: key is somtimesmutable
1358	dREQ (REQ_DB_GET);	1907	dREQ (REQ_DB_GET, 2);
1359	req->db = db;	1908	req->db = db;
1360	req->txn = txn;	1909	req->txn = txn;
1361	req->uint1 = flags;	1910	req->uint1 = flags;
1362	sv_to_dbt (&req->dbt1, key);	1911	sv_to_dbt (&req->dbt1, key);
1363	req->dbt3.flags = DB_DBT_MALLOC;	1912	req->dbt3.flags = DB_DBT_MALLOC;
1364	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1913	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1365	REQ_SEND;	1914	REQ_SEND;
1366	}	1915	}
1367		1916
1368	void	1917	void
1369	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1918	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1919	PREINIT:
		1920	CALLBACK
1370	CODE:	1921	CODE:
1371	{	1922	{
		1923	//TODO: key is somtimesmutable
1372	dREQ (REQ_DB_PGET);	1924	dREQ (REQ_DB_PGET, 2);
		1925	req->db = db;
		1926	req->txn = txn;
		1927	req->uint1 = flags;
		1928
		1929	sv_to_dbt (&req->dbt1, key);
		1930
		1931	req->dbt2.flags = DB_DBT_MALLOC;
		1932	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1933
		1934	req->dbt3.flags = DB_DBT_MALLOC;
		1935	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1936	REQ_SEND;
		1937	}
		1938
		1939	void
		1940	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1941	PREINIT:
		1942	CALLBACK
		1943	CODE:
		1944	{
		1945	dREQ (REQ_DB_DEL, 2);
1373	req->db = db;	1946	req->db = db;
1374	req->txn = txn;	1947	req->txn = txn;
1375	req->uint1 = flags;	1948	req->uint1 = flags;
1376	sv_to_dbt (&req->dbt1, key);	1949	sv_to_dbt (&req->dbt1, key);
1377	sv_to_dbt (&req->dbt2, pkey);
1378	req->dbt3.flags = DB_DBT_MALLOC;
1379	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1380	REQ_SEND;	1950	REQ_SEND;
1381	}	1951	}
1382		1952
1383	void	1953	void
1384	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1954	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1955	PREINIT:
		1956	CALLBACK
1385	CODE:	1957	CODE:
1386	{	1958	{
1387	dREQ (REQ_DB_DEL);	1959	dREQ (REQ_TXN_COMMIT, 0);
1388	req->db = db;	1960	ptr_nuke (ST (0));
1389	req->txn = txn;	1961	req->txn = txn;
1390	req->uint1 = flags;	1962	req->uint1 = flags;
1391	sv_to_dbt (&req->dbt1, key);
1392	REQ_SEND;	1963	REQ_SEND;
1393	}	1964	}
1394		1965
1395	void	1966	void
1396	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1967	db_txn_abort (DB_TXN txn, SV callback = 0)
		1968	PREINIT:
		1969	CALLBACK
1397	CODE:	1970	CODE:
1398	{	1971	{
1399	dREQ (REQ_TXN_COMMIT);	1972	dREQ (REQ_TXN_ABORT, 0);
		1973	ptr_nuke (ST (0));
		1974	req->txn = txn;
		1975	REQ_SEND;
		1976	}
		1977
		1978	void
		1979	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1980	PREINIT:
		1981	CALLBACK
		1982	CODE:
		1983	{
		1984	dREQ (REQ_TXN_FINISH, 0);
		1985	ptr_nuke (ST (0));
1400	req->txn = txn;	1986	req->txn = txn;
1401	req->uint1 = flags;	1987	req->uint1 = flags;
1402	REQ_SEND;	1988	REQ_SEND;
		1989	}
		1990
		1991	void
		1992	db_c_close (DBC dbc, SV callback = 0)
		1993	PREINIT:
		1994	CALLBACK
		1995	CODE:
		1996	{
		1997	dREQ (REQ_C_CLOSE, 0);
1403	ptr_nuke (ST (0));	1998	ptr_nuke (ST (0));
1404	}
1405
1406	void
1407	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1408	CODE:
1409	{
1410	dREQ (REQ_TXN_ABORT);
1411	req->txn = txn;
1412	REQ_SEND;
1413	ptr_nuke (ST (0));
1414	}
1415
1416	void
1417	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1418	CODE:
1419	{
1420	dREQ (REQ_C_CLOSE);
1421	req->dbc = dbc;	1999	req->dbc = dbc;
1422	REQ_SEND;	2000	REQ_SEND;
1423	ptr_nuke (ST (0));
1424	}	2001	}
1425		2002
1426	void	2003	void
1427	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	2004	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		2005	PREINIT:
		2006	CALLBACK
1428	CODE:	2007	CODE:
1429	{	2008	{
1430	dREQ (REQ_C_COUNT);	2009	dREQ (REQ_C_COUNT, 1);
1431	req->dbc = dbc;	2010	req->dbc = dbc;
1432	req->sv1 = SvREFCNT_inc (count);	2011	req->sv1 = SvREFCNT_inc (count);
1433	REQ_SEND;	2012	REQ_SEND;
1434	}	2013	}
1435		2014
1436	void	2015	void
1437	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2016	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		2017	PREINIT:
		2018	CALLBACK
1438	CODE:	2019	CODE:
1439	{	2020	{
1440	dREQ (REQ_C_PUT);	2021	dREQ (REQ_C_PUT, 1);
1441	req->dbc = dbc;	2022	req->dbc = dbc;
1442	sv_to_dbt (&req->dbt1, key);	2023	sv_to_dbt (&req->dbt1, key);
1443	sv_to_dbt (&req->dbt2, data);	2024	sv_to_dbt (&req->dbt2, data);
1444	req->uint1 = flags;	2025	req->uint1 = flags;
1445	REQ_SEND;	2026	REQ_SEND;
1446	}	2027	}
1447		2028
1448	void	2029	void
1449	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2030	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		2031	PREINIT:
		2032	CALLBACK
1450	CODE:	2033	CODE:
1451	{	2034	{
		2035	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2036	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2037	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2038	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2039	"key",
		2040	"BDB::db_c_get");
		2041
		2042	{
1452	dREQ (REQ_C_GET);	2043	dREQ (REQ_C_GET, 1);
		2044	req->dbc = dbc;
		2045	req->uint1 = flags;
		2046	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2047	sv_to_dbt (&req->dbt1, key);
		2048	else
		2049	{
		2050	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2051	sv_to_dbt (&req->dbt1, key);
		2052	else
		2053	req->dbt1.flags = DB_DBT_MALLOC;
		2054
		2055	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2056	}
		2057
		2058	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2059	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2060	sv_to_dbt (&req->dbt3, data);
		2061	else
		2062	req->dbt3.flags = DB_DBT_MALLOC;
		2063
		2064	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2065	REQ_SEND;
		2066	}
		2067	}
		2068
		2069	void
		2070	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		2071	PREINIT:
		2072	CALLBACK
		2073	CODE:
		2074	{
		2075	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2076	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2077	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2078	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2079	"key",
		2080	"BDB::db_c_pget");
		2081
		2082	{
		2083	dREQ (REQ_C_PGET, 1);
		2084	req->dbc = dbc;
		2085	req->uint1 = flags;
		2086	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2087	sv_to_dbt (&req->dbt1, key);
		2088	else
		2089	{
		2090	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2091	sv_to_dbt (&req->dbt1, key);
		2092	else
		2093	req->dbt1.flags = DB_DBT_MALLOC;
		2094
		2095	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2096	}
		2097
		2098	req->dbt2.flags = DB_DBT_MALLOC;
		2099	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2100
		2101	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2102	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2103	sv_to_dbt (&req->dbt3, data);
		2104	else
		2105	req->dbt3.flags = DB_DBT_MALLOC;
		2106
		2107	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2108	REQ_SEND;
		2109	}
		2110	}
		2111
		2112	void
		2113	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2114	PREINIT:
		2115	CALLBACK
		2116	CODE:
		2117	{
		2118	dREQ (REQ_C_DEL, 1);
1453	req->dbc = dbc;	2119	req->dbc = dbc;
1454	req->uint1 = flags;	2120	req->uint1 = flags;
1455	if ((flags & DB_SET) == DB_SET
1456	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1457	sv_to_dbt (&req->dbt1, key);
1458	else
1459	req->dbt1.flags = DB_DBT_MALLOC;
1460
1461	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1462
1463	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1464	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1465	sv_to_dbt (&req->dbt3, data);
1466	else
1467	req->dbt3.flags = DB_DBT_MALLOC;
1468
1469	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1470	REQ_SEND;	2121	REQ_SEND;
1471	}	2122	}
1472		2123
1473	void
1474	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1475	CODE:
1476	{
1477	dREQ (REQ_C_PGET);
1478	req->dbc = dbc;
1479	req->uint1 = flags;
1480	if ((flags & DB_SET) == DB_SET
1481	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1482	sv_to_dbt (&req->dbt1, key);
1483	else
1484	req->dbt1.flags = DB_DBT_MALLOC;
1485		2124
1486	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2125	#if DBVER >= 403
1487		2126
1488	req->dbt2.flags = DB_DBT_MALLOC;
1489	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1490
1491	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1492	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1493	sv_to_dbt (&req->dbt3, data);
1494	else
1495	req->dbt3.flags = DB_DBT_MALLOC;
1496
1497	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1498	REQ_SEND;
1499	}
1500
1501	void	2127	void
1502	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1503	CODE:
1504	{
1505	dREQ (REQ_C_DEL);
1506	req->dbc = dbc;
1507	req->uint1 = flags;
1508	REQ_SEND;
1509	}
1510
1511
1512	void
1513	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	2128	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2129	PREINIT:
		2130	CALLBACK
1514	CODE:	2131	CODE:
1515	{	2132	{
1516	dREQ (REQ_SEQ_OPEN);	2133	dREQ (REQ_SEQ_OPEN, 2);
1517	req->seq = seq;	2134	req->seq = seq;
1518	req->txn = txnid;	2135	req->txn = txnid;
1519	req->uint1 = flags \| DB_THREAD;	2136	req->uint1 = flags \| DB_THREAD;
1520	sv_to_dbt (&req->dbt1, key);	2137	sv_to_dbt (&req->dbt1, key);
1521	REQ_SEND;	2138	REQ_SEND;
1522	}	2139	}
1523		2140
1524	void	2141	void
1525	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2142	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2143	PREINIT:
		2144	CALLBACK
1526	CODE:	2145	CODE:
1527	{	2146	{
1528	dREQ (REQ_SEQ_CLOSE);	2147	dREQ (REQ_SEQ_CLOSE, 0);
		2148	ptr_nuke (ST (0));
1529	req->seq = seq;	2149	req->seq = seq;
1530	req->uint1 = flags;	2150	req->uint1 = flags;
1531	REQ_SEND;	2151	REQ_SEND;
1532	ptr_nuke (ST (0));
1533	}	2152	}
1534		2153
1535	void	2154	void
1536	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = &PL_sv_undef)	2155	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2156	PREINIT:
		2157	CALLBACK
1537	CODE:	2158	CODE:
1538	{	2159	{
1539	dREQ (REQ_SEQ_GET);	2160	dREQ (REQ_SEQ_GET, 2);
1540	req->seq = seq;	2161	req->seq = seq;
1541	req->txn = txnid;	2162	req->txn = txnid;
1542	req->int1 = delta;	2163	req->int1 = delta;
1543	req->uint1 = flags;	2164	req->uint1 = flags;
1544	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2165	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1545	REQ_SEND;	2166	REQ_SEND;
1546	}	2167	}
1547		2168
1548	void	2169	void
1549	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2170	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2171	PREINIT:
		2172	CALLBACK
1550	CODE:	2173	CODE:
1551	{	2174	{
1552	dREQ (REQ_SEQ_REMOVE);	2175	dREQ (REQ_SEQ_REMOVE, 2);
1553	req->seq = seq;	2176	req->seq = seq;
1554	req->txn = txnid;	2177	req->txn = txnid;
1555	req->uint1 = flags;	2178	req->uint1 = flags;
1556	REQ_SEND;	2179	REQ_SEND;
1557	}	2180	}
1558		2181
		2182	#endif
		2183
1559		2184
1560	MODULE = BDB PACKAGE = BDB::Env	2185	MODULE = BDB PACKAGE = BDB::Env
1561		2186
1562	void	2187	void
1563	DESTROY (DB_ENV_ornull *env)	2188	DESTROY (DB_ENV_ornuked *env)
1564	CODE:	2189	CODE:
1565	if (env)	2190	if (env)
1566	env->close (env, 0);	2191	env->close (env, 0);
1567		2192
1568	int set_data_dir (DB_ENV env, const char dir)	2193	int set_data_dir (DB_ENV env, const char dir)
…		…
1593	CODE:	2218	CODE:
1594	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2219	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1595	OUTPUT:	2220	OUTPUT:
1596	RETVAL	2221	RETVAL
1597		2222
1598	int set_flags (DB_ENV *env, U32 flags, int onoff)	2223	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1599	CODE:	2224	CODE:
1600	RETVAL = env->set_flags (env, flags, onoff);	2225	RETVAL = env->set_flags (env, flags, onoff);
1601	OUTPUT:	2226	OUTPUT:
1602	RETVAL	2227	RETVAL
1603		2228
		2229	#if DBVER >= 407
		2230
		2231	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2232	CODE:
		2233	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2234	OUTPUT:
		2235	RETVAL
		2236
		2237	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2238	CODE:
		2239	RETVAL = env->log_set_config (env, flags, onoff);
		2240	OUTPUT:
		2241	RETVAL
		2242
		2243	#endif
		2244
		2245
		2246	void set_errfile (DB_ENV env, FILE errfile = 0)
		2247	CODE:
		2248	env->set_errfile (env, errfile);
		2249
		2250	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		2251	CODE:
		2252	env->set_msgfile (env, msgfile);
		2253
		2254	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2255	CODE:
		2256	RETVAL = env->set_verbose (env, which, onoff);
		2257	OUTPUT:
		2258	RETVAL
		2259
1604	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	2260	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1605	CODE:	2261	CODE:
1606	RETVAL = env->set_encrypt (env, password, flags);	2262	RETVAL = env->set_encrypt (env, password, flags);
1607	OUTPUT:	2263	OUTPUT:
1608	RETVAL	2264	RETVAL
1609		2265
1610	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2266	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1611	CODE:	2267	CODE:
1612	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2268	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1613	OUTPUT:	2269	OUTPUT:
1614	RETVAL	2270	RETVAL
1615		2271
…		…
1664	int set_lg_max (DB_ENV *env, U32 max)	2320	int set_lg_max (DB_ENV *env, U32 max)
1665	CODE:	2321	CODE:
1666	RETVAL = env->set_lg_max (env, max);	2322	RETVAL = env->set_lg_max (env, max);
1667	OUTPUT:	2323	OUTPUT:
1668	RETVAL	2324	RETVAL
		2325
		2326	#if DBVER >= 404
		2327
		2328	int mutex_set_max (DB_ENV *env, U32 max)
		2329	CODE:
		2330	RETVAL = env->mutex_set_max (env, max);
		2331	OUTPUT:
		2332	RETVAL
		2333
		2334	int mutex_set_increment (DB_ENV *env, U32 increment)
		2335	CODE:
		2336	RETVAL = env->mutex_set_increment (env, increment);
		2337	OUTPUT:
		2338	RETVAL
		2339
		2340	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2341	CODE:
		2342	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2343	OUTPUT:
		2344	RETVAL
		2345
		2346	int mutex_set_align (DB_ENV *env, U32 align)
		2347	CODE:
		2348	RETVAL = env->mutex_set_align (env, align);
		2349	OUTPUT:
		2350	RETVAL
		2351
		2352	#endif
1669		2353
1670	DB_TXN *	2354	DB_TXN *
1671	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2355	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1672	CODE:	2356	CODE:
1673	errno = env->txn_begin (env, parent, &RETVAL, flags);	2357	errno = env->txn_begin (env, parent, &RETVAL, flags);
1674	if (errno)	2358	if (errno)
1675	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2359	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1676	OUTPUT:	2360	OUTPUT:
1677	RETVAL	2361	RETVAL
1678		2362
		2363	#if DBVER >= 405
		2364
		2365	DB_TXN *
		2366	cdsgroup_begin (DB_ENV *env)
		2367	CODE:
		2368	errno = env->cdsgroup_begin (env, &RETVAL);
		2369	if (errno)
		2370	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2371	OUTPUT:
		2372	RETVAL
		2373
		2374	#endif
		2375
1679	MODULE = BDB PACKAGE = BDB::Db	2376	MODULE = BDB PACKAGE = BDB::Db
1680		2377
1681	void	2378	void
1682	DESTROY (DB_ornull *db)	2379	DESTROY (DB_ornuked *db)
1683	CODE:	2380	CODE:
1684	if (db)	2381	if (db)
1685	{	2382	{
1686	SV env = (SV )db->app_private;	2383	SV env = (SV )db->app_private;
1687	db->close (db, 0);	2384	db->close (db, 0);
…		…
1692	CODE:	2389	CODE:
1693	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2390	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1694	OUTPUT:	2391	OUTPUT:
1695	RETVAL	2392	RETVAL
1696		2393
		2394	int set_pagesize (DB *db, U32 pagesize)
		2395	CODE:
		2396	RETVAL = db->set_pagesize (db, pagesize);
		2397	OUTPUT:
		2398	RETVAL
		2399
1697	int set_flags (DB *db, U32 flags);	2400	int set_flags (DB *db, U32 flags)
1698	CODE:	2401	CODE:
1699	RETVAL = db->set_flags (db, flags);	2402	RETVAL = db->set_flags (db, flags);
1700	OUTPUT:	2403	OUTPUT:
1701	RETVAL	2404	RETVAL
1702		2405
…		…
1716	CODE:	2419	CODE:
1717	RETVAL = db->set_bt_minkey (db, minkey);	2420	RETVAL = db->set_bt_minkey (db, minkey);
1718	OUTPUT:	2421	OUTPUT:
1719	RETVAL	2422	RETVAL
1720		2423
1721	int set_re_delim(DB *db, int delim);	2424	int set_re_delim (DB *db, int delim)
1722	CODE:	2425	CODE:
1723	RETVAL = db->set_re_delim (db, delim);	2426	RETVAL = db->set_re_delim (db, delim);
1724	OUTPUT:	2427	OUTPUT:
1725	RETVAL	2428	RETVAL
1726		2429
…		…
1767	if (errno)	2470	if (errno)
1768	croak ("DB->cursor: %s", db_strerror (errno));	2471	croak ("DB->cursor: %s", db_strerror (errno));
1769	OUTPUT:	2472	OUTPUT:
1770	RETVAL	2473	RETVAL
1771		2474
		2475	#if DBVER >= 403
		2476
1772	DB_SEQUENCE *	2477	DB_SEQUENCE *
1773	sequence (DB *db, U32 flags = 0)	2478	sequence (DB *db, U32 flags = 0)
1774	CODE:	2479	CODE:
1775	{	2480	{
1776	errno = db_sequence_create (&RETVAL, db, flags);	2481	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1778	croak ("db_sequence_create: %s", db_strerror (errno));	2483	croak ("db_sequence_create: %s", db_strerror (errno));
1779	}	2484	}
1780	OUTPUT:	2485	OUTPUT:
1781	RETVAL	2486	RETVAL
1782		2487
		2488	#endif
		2489
1783		2490
1784	MODULE = BDB PACKAGE = BDB::Txn	2491	MODULE = BDB PACKAGE = BDB::Txn
1785		2492
1786	void	2493	void
1787	DESTROY (DB_TXN_ornull *txn)	2494	DESTROY (DB_TXN_ornuked *txn)
1788	CODE:	2495	CODE:
1789	if (txn)	2496	if (txn)
1790	txn->abort (txn);	2497	txn->abort (txn);
1791		2498
1792	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2499	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1793	CODE:	2500	CODE:
1794	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2501	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1795	OUTPUT:	2502	OUTPUT:
1796	RETVAL	2503	RETVAL
1797		2504
		2505	int failed (DB_TXN *txn)
		2506	CODE:
		2507	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2508	OUTPUT:
		2509	RETVAL
		2510
1798		2511
1799	MODULE = BDB PACKAGE = BDB::Cursor	2512	MODULE = BDB PACKAGE = BDB::Cursor
1800		2513
1801	void	2514	void
1802	DESTROY (DBC_ornull *dbc)	2515	DESTROY (DBC_ornuked *dbc)
1803	CODE:	2516	CODE:
1804	if (dbc)	2517	if (dbc)
1805	dbc->c_close (dbc);	2518	dbc->c_close (dbc);
1806		2519
		2520	#if DBVER >= 406
		2521
		2522	int set_priority (DBC *dbc, int priority)
		2523	CODE:
		2524	dbc->set_priority (dbc, priority);
		2525
		2526	#endif
		2527
		2528	#if DBVER >= 403
		2529
1807	MODULE = BDB PACKAGE = BDB::Sequence	2530	MODULE = BDB PACKAGE = BDB::Sequence
1808		2531
1809	void	2532	void
1810	DESTROY (DB_SEQUENCE_ornull *seq)	2533	DESTROY (DB_SEQUENCE_ornuked *seq)
1811	CODE:	2534	CODE:
1812	if (seq)	2535	if (seq)
1813	seq->close (seq, 0);	2536	seq->close (seq, 0);
1814		2537
1815	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2538	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1834	CODE:	2557	CODE:
1835	RETVAL = seq->set_range (seq, min, max);	2558	RETVAL = seq->set_range (seq, min, max);
1836	OUTPUT:	2559	OUTPUT:
1837	RETVAL	2560	RETVAL
1838		2561
		2562	#endif
		2563
		2564

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing BDB/BDB.xs (file contents): Revision 1.13 by root, Sun Jul 8 11:12:12 2007 UTC vs. Revision 1.80 by root, Tue Feb 2 04:24:00 2016 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.13 by root, Sun Jul 8 11:12:12 2007 UTC vs.
Revision 1.80 by root, Tue Feb 2 04:24:00 2016 UTC