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

Comparing BDB/BDB.xs (file contents):
Revision 1.27 by root, Mon Dec 17 06:31:43 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;
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, REQ_DB_UPGRADE,	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 = 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);
…		…
505	}	579	}
506	}	580	}
507		581
508	static void end_thread (void)	582	static void end_thread (void)
509	{	583	{
510	aio_req req;	584	bdb_req req = calloc (1, sizeof (bdb_cb));
511
512	Newz (0, req, 1, aio_cb);
513		585
514	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
515	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
516		588
517	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
544		616
545	while (started > wanted)	617	while (started > wanted)
546	end_thread ();	618	end_thread ();
547	}	619	}
548		620
549	static void poll_wait ()	621	static void poll_wait (void)
550	{	622	{
551	fd_set rfd;
552
553	while (nreqs)	623	while (nreqs)
554	{	624	{
555	int size;	625	int size;
556	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
557	size = res_queue.size;	627	size = res_queue.size;
…		…
560	if (size)	630	if (size)
561	return;	631	return;
562		632
563	maybe_start_thread ();	633	maybe_start_thread ();
564		634
565	FD_ZERO (&rfd);	635	s_epipe_wait (&respipe);
566	FD_SET (respipe [0], &rfd);
567
568	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
569	}	636	}
570	}	637	}
571		638
572	static int poll_cb ()	639	static int poll_cb (void)
573	{	640	{
574	dSP;	641	dSP;
575	int count = 0;	642	int count = 0;
576	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
577	int do_croak = 0;	644	int do_croak = 0;
578	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
579	aio_req req;	646	bdb_req req;
580		647
581	if (max_poll_time)	648	if (max_poll_time)
582	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
583		650
584	for (;;)	651	for (;;)
…		…
593	if (req)	660	if (req)
594	{	661	{
595	--npending;	662	--npending;
596		663
597	if (!res_queue.size)	664	if (!res_queue.size)
598	{
599	/* read any signals sent by the worker threads */	665	/* read any signals sent by the worker threads */
600	char buf [4];	666	s_epipe_drain (&respipe);
601	while (respipe_read (respipe [0], buf, 4) == 4)
602	;
603	}
604	}	667	}
605		668
606	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
607		670
608	if (!req)	671	if (!req)
…		…
643	return count;	706	return count;
644	}	707	}
645		708
646	/*****************************************************************************/	709	/*****************************************************************************/
647		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
648	X_THREAD_PROC (bdb_proc)	887	X_THREAD_PROC (bdb_proc)
649	{	888	{
650	aio_req req;	889	bdb_req req;
651	struct timespec ts;	890	struct timespec ts;
652	worker self = (worker )thr_arg;	891	worker self = (worker )thr_arg;
653		892
654	/* try to distribute timeouts somewhat evenly */	893	/* try to distribute timeouts somewhat evenly */
655	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	894	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
656		895
657	for (;;)	896	for (;;)
658	{	897	{
659	ts.tv_sec = time (0) + IDLE_TIMEOUT;	898	ts.tv_sec = time (0) + IDLE_TIMEOUT;
660		899
661	X_LOCK (reqlock);	900	X_LOCK (reqlock);
662		901
663	for (;;)	902	for (;;)
664	{	903	{
…		…
691	}	930	}
692		931
693	--nready;	932	--nready;
694		933
695	X_UNLOCK (reqlock);	934	X_UNLOCK (reqlock);
696		935
697	switch (req->type)	936	if (req->type == REQ_QUIT)
698	{	937	{
699	case REQ_QUIT:	938	X_LOCK (reslock);
700	req->result = ENOSYS;	939	free (req);
		940	self->req = 0;
		941	X_UNLOCK (reslock);
		942
701	goto quit;	943	goto quit;
702
703	case REQ_ENV_OPEN:
704	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
705	break;
706
707	case REQ_ENV_CLOSE:
708	req->result = req->env->close (req->env, req->uint1);
709	break;
710
711	case REQ_ENV_TXN_CHECKPOINT:
712	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
713	break;
714
715	case REQ_ENV_LOCK_DETECT:
716	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
717	break;
718
719	case REQ_ENV_MEMP_SYNC:
720	req->result = req->env->memp_sync (req->env, 0);
721	break;
722
723	case REQ_ENV_MEMP_TRICKLE:
724	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
725	break;
726
727	case REQ_DB_OPEN:
728	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
729	break;
730
731	case REQ_DB_CLOSE:
732	req->result = req->db->close (req->db, req->uint1);
733	break;
734
735	case REQ_DB_COMPACT:
736	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
737	break;
738
739	case REQ_DB_SYNC:
740	req->result = req->db->sync (req->db, req->uint1);
741	break;
742
743	case REQ_DB_UPGRADE:
744	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
745	break;
746
747	case REQ_DB_PUT:
748	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
749	break;
750
751	case REQ_DB_GET:
752	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
753	break;
754
755	case REQ_DB_PGET:
756	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
757	break;
758
759	case REQ_DB_DEL:
760	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
761	break;
762
763	case REQ_DB_KEY_RANGE:
764	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
765	break;
766
767	case REQ_TXN_COMMIT:
768	req->result = req->txn->commit (req->txn, req->uint1);
769	break;
770
771	case REQ_TXN_ABORT:
772	req->result = req->txn->abort (req->txn);
773	break;
774
775	case REQ_TXN_FINISH:
776	if (req->txn->flags & TXN_DEADLOCK)
777	{
778	req->result = req->txn->abort (req->txn);
779	if (!req->result)
780	req->result = DB_LOCK_DEADLOCK;
781	}
782	else
783	req->result = req->txn->commit (req->txn, req->uint1);
784	break;
785
786	case REQ_C_CLOSE:
787	req->result = req->dbc->c_close (req->dbc);
788	break;
789
790	case REQ_C_COUNT:
791	{
792	db_recno_t recno;
793	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
794	req->uv1 = recno;
795	}
796	break;
797
798	case REQ_C_PUT:
799	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
800	break;
801
802	case REQ_C_GET:
803	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
804	break;
805
806	case REQ_C_PGET:
807	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
808	break;
809
810	case REQ_C_DEL:
811	req->result = req->dbc->c_del (req->dbc, req->uint1);
812	break;
813
814	case REQ_SEQ_OPEN:
815	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
816	break;
817
818	case REQ_SEQ_CLOSE:
819	req->result = req->seq->close (req->seq, req->uint1);
820	break;
821
822	case REQ_SEQ_GET:
823	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
824	break;
825
826	case REQ_SEQ_REMOVE:
827	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
828	break;
829
830	default:
831	req->result = ENOSYS;
832	break;
833	}	944	}
834		945
835	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))	946	bdb_request (req);
836	req->txn->flags \|= TXN_DEADLOCK;
837		947
838	X_LOCK (reslock);	948	X_LOCK (reslock);
839		949
840	++npending;	950	++npending;
841		951
842	if (!reqq_push (&res_queue, req))	952	if (!reqq_push (&res_queue, req))
843	/* write a dummy byte to the pipe so fh becomes ready */	953	s_epipe_signal (&respipe);
844	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
845		954
846	self->req = 0;	955	self->req = 0;
847	worker_clear (self);	956	worker_clear (self);
848		957
849	X_UNLOCK (reslock);	958	X_UNLOCK (reslock);
…		…
873	X_UNLOCK (wrklock);	982	X_UNLOCK (wrklock);
874	}	983	}
875		984
876	static void atfork_child (void)	985	static void atfork_child (void)
877	{	986	{
878	aio_req prv;	987	bdb_req prv;
879		988
880	while (prv = reqq_shift (&req_queue))	989	while (prv = reqq_shift (&req_queue))
881	req_free (prv);	990	req_free (prv);
882		991
883	while (prv = reqq_shift (&res_queue))	992	while (prv = reqq_shift (&res_queue))
…		…
903	create_respipe ();	1012	create_respipe ();
904		1013
905	atfork_parent ();	1014	atfork_parent ();
906	}	1015	}
907		1016
908	#define dREQ(reqtype) \	1017	#define dREQ(reqtype,rsvcnt) \
909	aio_req req; \	1018	bdb_req req; \
910	int req_pri = next_pri; \	1019	int req_pri = next_pri; \
911	next_pri = DEFAULT_PRI + PRI_BIAS; \	1020	next_pri = DEFAULT_PRI + PRI_BIAS; \
912	\	1021	\
913	if (SvOK (callback) && !SvROK (callback)) \	1022	if (callback && SvOK (callback)) \
914	croak ("callback must be undef or of reference type"); \	1023	croak ("callback has illegal type or extra arguments"); \
915	\	1024	\
916	Newz (0, req, 1, aio_cb); \	1025	Newz (0, req, 1, bdb_cb); \
917	if (!req) \	1026	if (!req) \
918	croak ("out of memory during aio_req allocation"); \	1027	croak ("out of memory during bdb_req allocation"); \
919	\	1028	\
920	req->callback = newSVsv (callback); \	1029	req->callback = SvREFCNT_inc (cb); \
921	req->type = (reqtype); \	1030	req->type = (reqtype); \
922	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;
923		1035
924	#define REQ_SEND \	1036	#define REQ_SEND \
925	req_send (req)	1037	req_send (req)
926		1038
927	#define SvPTR(var, arg, type, class, nullok) \	1039	#define SvPTR(var, arg, type, stash, class, nullok) \
928	if (!SvOK (arg)) \	1040	if (!SvOK (arg)) \
929	{ \	1041	{ \
930	if (!nullok) \	1042	if (nullok != 1) \
931	croak (# var " must be a " # class " object, not undef"); \	1043	croak (# var " must be a " # class " object, not undef"); \
932	\	1044	\
933	(var) = 0; \	1045	(var) = 0; \
934	} \	1046	} \
935	else if (sv_derived_from ((arg), # class)) \	1047	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
936	{ \	1048	{ \
937	IV tmp = SvIV ((SV*) SvRV (arg)); \	1049	IV tmp = SvIV ((SV*) SvRV (arg)); \
938	(var) = INT2PTR (type, tmp); \	1050	(var) = INT2PTR (type, tmp); \
939	if (!var) \	1051	if (!var && nullok != 2) \
940	croak (# var " is not a valid " # class " object anymore"); \	1052	croak (# var " is not a valid " # class " object anymore"); \
941	} \	1053	} \
942	else \	1054	else \
943	croak (# var " is not of type " # class); \	1055	croak (# var " is not of type " # class);
944	\	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	}
945		1070
946	static void	1071	static void
947	ptr_nuke (SV *sv)	1072	ptr_nuke (SV *sv)
948	{	1073	{
949	assert (SvROK (sv));	1074	assert (SvROK (sv));
950	sv_setiv (SvRV (sv), 0);	1075	sv_setiv (SvRV (sv), 0);
951	}	1076	}
952		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
953	MODULE = BDB PACKAGE = BDB	1195	MODULE = BDB PACKAGE = BDB
954		1196
955	PROTOTYPES: ENABLE	1197	PROTOTYPES: ENABLE
956		1198
957	BOOT:	1199	BOOT:
958	{	1200	{
959	HV *stash = gv_stashpv ("BDB", 1);
960
961	static const struct {	1201	static const struct {
962	const char *name;	1202	const char *name;
963	IV iv;	1203	IV iv;
964	} *civ, const_iv[] = {	1204	} *civ, const_iv[] = {
965	#define const_iv(name) { # name, (IV)DB_ ## name },	1205	#define const_iv(name) { # name, (IV)DB_ ## name },
		1206	#if DBVER <= 408
966	const_iv (RPCCLIENT)	1207	const_iv (RPCCLIENT)
		1208	#endif
967	const_iv (INIT_CDB)	1209	const_iv (INIT_CDB)
968	const_iv (INIT_LOCK)	1210	const_iv (INIT_LOCK)
969	const_iv (INIT_LOG)	1211	const_iv (INIT_LOG)
970	const_iv (INIT_MPOOL)	1212	const_iv (INIT_MPOOL)
971	const_iv (INIT_REP)	1213	const_iv (INIT_REP)
…		…
977	const_iv (RDONLY)	1219	const_iv (RDONLY)
978	const_iv (USE_ENVIRON)	1220	const_iv (USE_ENVIRON)
979	const_iv (USE_ENVIRON_ROOT)	1221	const_iv (USE_ENVIRON_ROOT)
980	const_iv (LOCKDOWN)	1222	const_iv (LOCKDOWN)
981	const_iv (PRIVATE)	1223	const_iv (PRIVATE)
982	const_iv (REGISTER)
983	const_iv (SYSTEM_MEM)	1224	const_iv (SYSTEM_MEM)
984	const_iv (AUTO_COMMIT)	1225	const_iv (AUTO_COMMIT)
985	const_iv (CDB_ALLDB)	1226	const_iv (CDB_ALLDB)
986	const_iv (DIRECT_DB)	1227	const_iv (DIRECT_DB)
987	const_iv (DIRECT_LOG)
988	const_iv (DSYNC_DB)
989	const_iv (DSYNC_LOG)
990	const_iv (LOG_AUTOREMOVE)
991	const_iv (LOG_INMEMORY)
992	const_iv (NOLOCKING)	1228	const_iv (NOLOCKING)
993	const_iv (NOMMAP)	1229	const_iv (NOMMAP)
994	const_iv (NOPANIC)	1230	const_iv (NOPANIC)
995	const_iv (OVERWRITE)	1231	const_iv (OVERWRITE)
996	const_iv (PANIC_ENVIRONMENT)	1232	const_iv (PANIC_ENVIRONMENT)
…		…
1000	const_iv (TXN_NOT_DURABLE)	1236	const_iv (TXN_NOT_DURABLE)
1001	const_iv (TXN_WRITE_NOSYNC)	1237	const_iv (TXN_WRITE_NOSYNC)
1002	const_iv (WRITECURSOR)	1238	const_iv (WRITECURSOR)
1003	const_iv (YIELDCPU)	1239	const_iv (YIELDCPU)
1004	const_iv (ENCRYPT_AES)	1240	const_iv (ENCRYPT_AES)
		1241	#if DBVER < 408
1005	const_iv (XA_CREATE)	1242	const_iv (XA_CREATE)
		1243	#endif
1006	const_iv (BTREE)	1244	const_iv (BTREE)
1007	const_iv (HASH)	1245	const_iv (HASH)
1008	const_iv (QUEUE)	1246	const_iv (QUEUE)
1009	const_iv (RECNO)	1247	const_iv (RECNO)
1010	const_iv (UNKNOWN)	1248	const_iv (UNKNOWN)
1011	const_iv (EXCL)	1249	const_iv (EXCL)
1012	const_iv (READ_COMMITTED)
1013	const_iv (READ_UNCOMMITTED)
1014	const_iv (TRUNCATE)	1250	const_iv (TRUNCATE)
1015	const_iv (NOSYNC)	1251	const_iv (NOSYNC)
1016	const_iv (CHKSUM)	1252	const_iv (CHKSUM)
1017	const_iv (ENCRYPT)	1253	const_iv (ENCRYPT)
1018	const_iv (DUP)	1254	const_iv (DUP)
1019	const_iv (DUPSORT)	1255	const_iv (DUPSORT)
1020	const_iv (RECNUM)	1256	//const_iv (RECNUM)
1021	const_iv (RENUMBER)	1257	const_iv (RENUMBER)
1022	const_iv (REVSPLITOFF)	1258	const_iv (REVSPLITOFF)
1023	const_iv (INORDER)
1024	const_iv (CONSUME)	1259	const_iv (CONSUME)
1025	const_iv (CONSUME_WAIT)	1260	const_iv (CONSUME_WAIT)
1026	const_iv (GET_BOTH)	1261	const_iv (GET_BOTH)
1027	const_iv (GET_BOTH_RANGE)	1262	const_iv (GET_BOTH_RANGE)
1028	//const_iv (SET_RECNO)	1263	//const_iv (SET_RECNO)
…		…
1037	const_iv (LOCK_DEADLOCK)	1272	const_iv (LOCK_DEADLOCK)
1038	const_iv (LOCK_NOTGRANTED)	1273	const_iv (LOCK_NOTGRANTED)
1039	const_iv (RUNRECOVERY)	1274	const_iv (RUNRECOVERY)
1040	const_iv (OLD_VERSION)	1275	const_iv (OLD_VERSION)
1041	const_iv (REP_HANDLE_DEAD)	1276	const_iv (REP_HANDLE_DEAD)
1042	const_iv (REP_LOCKOUT)
1043	const_iv (SECONDARY_BAD)	1277	const_iv (SECONDARY_BAD)
1044
1045	const_iv (FREE_SPACE)
1046	const_iv (FREELIST_ONLY)
1047		1278
1048	const_iv (APPEND)	1279	const_iv (APPEND)
1049	const_iv (NODUPDATA)	1280	const_iv (NODUPDATA)
1050	const_iv (NOOVERWRITE)	1281	const_iv (NOOVERWRITE)
1051		1282
…		…
1074	const_iv (FORCE)	1305	const_iv (FORCE)
1075		1306
1076	const_iv (LOCK_DEFAULT)	1307	const_iv (LOCK_DEFAULT)
1077	const_iv (LOCK_EXPIRE)	1308	const_iv (LOCK_EXPIRE)
1078	const_iv (LOCK_MAXLOCKS)	1309	const_iv (LOCK_MAXLOCKS)
1079	const_iv (LOCK_MAXWRITE)
1080	const_iv (LOCK_MINLOCKS)	1310	const_iv (LOCK_MINLOCKS)
1081	const_iv (LOCK_MINWRITE)	1311	const_iv (LOCK_MINWRITE)
1082	const_iv (LOCK_OLDEST)	1312	const_iv (LOCK_OLDEST)
1083	const_iv (LOCK_RANDOM)	1313	const_iv (LOCK_RANDOM)
1084	const_iv (LOCK_YOUNGEST)	1314	const_iv (LOCK_YOUNGEST)
1085		1315
1086	const_iv (SEQ_DEC)
1087	const_iv (SEQ_INC)
1088	const_iv (SEQ_WRAP)
1089
1090	const_iv (BUFFER_SMALL)
1091	const_iv (DONOTINDEX)	1316	const_iv (DONOTINDEX)
1092	const_iv (KEYEMPTY )	1317	const_iv (KEYEMPTY)
1093	const_iv (KEYEXIST )	1318	const_iv (KEYEXIST)
1094	const_iv (LOCK_DEADLOCK)	1319	const_iv (LOCK_DEADLOCK)
1095	const_iv (LOCK_NOTGRANTED)	1320	const_iv (LOCK_NOTGRANTED)
1096	const_iv (LOG_BUFFER_FULL)
1097	const_iv (NOSERVER)	1321	const_iv (NOSERVER)
		1322	#if DBVER < 502
1098	const_iv (NOSERVER_HOME)	1323	const_iv (NOSERVER_HOME)
1099	const_iv (NOSERVER_ID)	1324	const_iv (NOSERVER_ID)
		1325	#endif
1100	const_iv (NOTFOUND)	1326	const_iv (NOTFOUND)
1101	const_iv (PAGE_NOTFOUND)	1327	const_iv (PAGE_NOTFOUND)
1102	const_iv (REP_DUPMASTER)	1328	const_iv (REP_DUPMASTER)
1103	const_iv (REP_HANDLE_DEAD)	1329	const_iv (REP_HANDLE_DEAD)
1104	const_iv (REP_HOLDELECTION)	1330	const_iv (REP_HOLDELECTION)
1105	const_iv (REP_IGNORE)
1106	const_iv (REP_ISPERM)	1331	const_iv (REP_ISPERM)
1107	const_iv (REP_JOIN_FAILURE)
1108	const_iv (REP_LOCKOUT)
1109	const_iv (REP_NEWMASTER)	1332	const_iv (REP_NEWMASTER)
1110	const_iv (REP_NEWSITE)	1333	const_iv (REP_NEWSITE)
1111	const_iv (REP_NOTPERM)	1334	const_iv (REP_NOTPERM)
1112	const_iv (REP_UNAVAIL)	1335	const_iv (REP_UNAVAIL)
1113	const_iv (RUNRECOVERY)	1336	const_iv (RUNRECOVERY)
1114	const_iv (SECONDARY_BAD)	1337	const_iv (SECONDARY_BAD)
1115	const_iv (VERIFY_BAD)	1338	const_iv (VERIFY_BAD)
1116	const_iv (VERSION_MISMATCH)	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)
1117		1350
1118	const_iv (VERB_DEADLOCK)	1351	const_iv (VERB_DEADLOCK)
1119	const_iv (VERB_RECOVERY)	1352	const_iv (VERB_RECOVERY)
1120	const_iv (VERB_REGISTER)
1121	const_iv (VERB_REPLICATION)	1353	const_iv (VERB_REPLICATION)
1122	const_iv (VERB_WAITSFOR)	1354	const_iv (VERB_WAITSFOR)
1123		1355
1124	const_iv (VERSION_MAJOR)	1356	const_iv (VERSION_MAJOR)
1125	const_iv (VERSION_MINOR)	1357	const_iv (VERSION_MINOR)
1126	const_iv (VERSION_PATCH)	1358	const_iv (VERSION_PATCH)
1127	#if DB_VERSION_MINOR >= 5	1359	const_iv (LOGVERSION)
		1360	const_iv (LOGOLDVER)
		1361	#if DBVER >= 403
		1362	const_iv (INORDER)
		1363	const_iv (LOCK_MAXWRITE)
		1364	const_iv (SEQ_DEC)
		1365	const_iv (SEQ_INC)
		1366	const_iv (SEQ_WRAP)
		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
1128	const_iv (MULTIVERSION)	1384	const_iv (MULTIVERSION)
1129	const_iv (TXN_SNAPSHOT)	1385	const_iv (TXN_SNAPSHOT)
1130	#endif	1386	#endif
1131	#if DB_VERSION_MINOR >= 6	1387	#if DBVER >= 406
1132	const_iv (PREV_DUP)	1388	const_iv (PREV_DUP)
1133	const_iv (PRIORITY_UNCHANGED)	1389	const_iv (PRIORITY_UNCHANGED)
1134	const_iv (PRIORITY_VERY_LOW)	1390	const_iv (PRIORITY_VERY_LOW)
1135	const_iv (PRIORITY_LOW)	1391	const_iv (PRIORITY_LOW)
1136	const_iv (PRIORITY_DEFAULT)	1392	const_iv (PRIORITY_DEFAULT)
1137	const_iv (PRIORITY_HIGH)	1393	const_iv (PRIORITY_HIGH)
1138	const_iv (PRIORITY_VERY_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
1139	#endif	1414	#endif
1140	};	1415	};
1141		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
1142	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--)
1143	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1425	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1144		1426
1145	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	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
1146	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1436	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1147		1437
1148	create_respipe ();	1438	create_respipe ();
1149		1439
1150	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1440	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1151	#ifdef _WIN32	1441	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	}	1442	}
1159		1443
1160	void	1444	void
1161	max_poll_reqs (int nreqs)	1445	max_poll_reqs (int nreqs)
1162	PROTOTYPE: $	1446	PROTOTYPE: $
…		…
1235		1519
1236	int	1520	int
1237	poll_fileno ()	1521	poll_fileno ()
1238	PROTOTYPE:	1522	PROTOTYPE:
1239	CODE:	1523	CODE:
1240	RETVAL = respipe [0];	1524	RETVAL = s_epipe_fd (&respipe);
1241	OUTPUT:	1525	OUTPUT:
1242	RETVAL	1526	RETVAL
1243		1527
1244	int	1528	int
1245	poll_cb (...)	1529	poll_cb (...)
…		…
1287	RETVAL = started;	1571	RETVAL = started;
1288	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1572	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1289	OUTPUT:	1573	OUTPUT:
1290	RETVAL	1574	RETVAL
1291		1575
1292	void	1576	SV *
1293	set_sync_prepare (SV *cb)	1577	set_sync_prepare (SV *cb)
1294	PROTOTYPE: &	1578	PROTOTYPE: &
1295	CODE:	1579	CODE:
1296	SvREFCNT_dec (prepare_cb);	1580	RETVAL = prepare_cb;
1297	prepare_cb = newSVsv (cb);	1581	prepare_cb = newSVsv (cb);
		1582	OUTPUT:
		1583	RETVAL
1298		1584
1299	char *	1585	char *
1300	strerror (int errorno = errno)	1586	strerror (int errorno = errno)
1301	PROTOTYPE: ;$	1587	PROTOTYPE: ;$
1302	CODE:	1588	CODE:
1303	RETVAL = db_strerror (errorno);	1589	RETVAL = db_strerror (errorno);
1304	OUTPUT:	1590	OUTPUT:
1305	RETVAL	1591	RETVAL
1306		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;
		1597
1307	DB_ENV *	1598	DB_ENV *
1308	db_env_create (U32 env_flags = 0)	1599	db_env_create (U32 env_flags = 0)
1309	CODE:	1600	CODE:
1310	{	1601	{
1311	errno = db_env_create (&RETVAL, env_flags);	1602	errno = db_env_create (&RETVAL, env_flags);
…		…
1320	}	1611	}
1321	OUTPUT:	1612	OUTPUT:
1322	RETVAL	1613	RETVAL
1323		1614
1324	void	1615	void
1325	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
1326	CODE:	1619	CODE:
1327	{	1620	{
1328	dREQ (REQ_ENV_OPEN);	1621	dREQ (REQ_ENV_OPEN, 1);
1329
1330	env->set_thread_count (env, wanted + 2);
1331
1332	req->env = env;	1622	req->env = env;
1333	req->uint1 = open_flags \| DB_THREAD;	1623	req->uint1 = open_flags \| DB_THREAD;
1334	req->int1 = mode;	1624	req->int1 = mode;
1335	req->buf1 = strdup_ornull (db_home);	1625	req->buf1 = strdup_ornull (db_home);
1336	REQ_SEND;	1626	REQ_SEND;
1337	}	1627	}
1338		1628
1339	void	1629	void
1340	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
1341	CODE:	1633	CODE:
1342	{	1634	{
1343	dREQ (REQ_ENV_CLOSE);	1635	dREQ (REQ_ENV_CLOSE, 0);
		1636	ptr_nuke (ST (0));
1344	req->env = env;	1637	req->env = env;
1345	req->uint1 = flags;	1638	req->uint1 = flags;
1346	REQ_SEND;	1639	REQ_SEND;
1347	ptr_nuke (ST (0));
1348	}	1640	}
1349		1641
1350	void	1642	void
1351	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
1352	CODE:	1646	CODE:
1353	{	1647	{
1354	dREQ (REQ_ENV_TXN_CHECKPOINT);	1648	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1355	req->env = env;	1649	req->env = env;
1356	req->uint1 = kbyte;	1650	req->uint1 = kbyte;
1357	req->int1 = min;	1651	req->int1 = min;
1358	req->uint2 = flags;	1652	req->uint2 = flags;
1359	REQ_SEND;	1653	REQ_SEND;
1360	}	1654	}
1361		1655
1362	void	1656	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)	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
1364	CODE:	1660	CODE:
1365	{	1661	{
1366	dREQ (REQ_ENV_LOCK_DETECT);	1662	dREQ (REQ_ENV_LOCK_DETECT, 1);
1367	req->env = env;	1663	req->env = env;
1368	req->uint1 = flags;	1664	req->uint1 = flags;
1369	req->uint2 = atype;	1665	req->uint2 = atype;
		1666	/* req->int2 = 0; dummy */
1370	REQ_SEND;	1667	REQ_SEND;
1371	}	1668	}
1372		1669
1373	void	1670	void
1374	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
1375	CODE:	1674	CODE:
1376	{	1675	{
1377	dREQ (REQ_ENV_MEMP_SYNC);	1676	dREQ (REQ_ENV_MEMP_SYNC, 1);
1378	req->env = env;	1677	req->env = env;
1379	REQ_SEND;	1678	REQ_SEND;
1380	}	1679	}
1381		1680
1382	void	1681	void
1383	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
1384	CODE:	1685	CODE:
1385	{	1686	{
1386	dREQ (REQ_ENV_MEMP_TRICKLE);	1687	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1387	req->env = env;	1688	req->env = env;
1388	req->int1 = percent;	1689	req->int1 = percent;
1389	REQ_SEND;	1690	REQ_SEND;
1390	}	1691	}
1391		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	}
1392		1747
1393	DB *	1748	DB *
1394	db_create (DB_ENV *env = 0, U32 flags = 0)	1749	db_create (DB_ENV *env = 0, U32 flags = 0)
1395	CODE:	1750	CODE:
1396	{	1751	{
…		…
1403	}	1758	}
1404	OUTPUT:	1759	OUTPUT:
1405	RETVAL	1760	RETVAL
1406		1761
1407	void	1762	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)	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
1409	CODE:	1766	CODE:
1410	{	1767	{
1411	dREQ (REQ_DB_OPEN);	1768	dREQ (REQ_DB_OPEN, 2);
1412	req->db = db;	1769	req->db = db;
1413	req->txn = txnid;	1770	req->txn = txnid;
1414	req->buf1 = strdup_ornull (file);	1771	req->buf1 = strdup_ornull (file);
1415	req->buf2 = strdup_ornull (database);	1772	req->buf2 = strdup_ornull (database);
1416	req->int1 = type;	1773	req->int1 = type;
…		…
1418	req->int2 = mode;	1775	req->int2 = mode;
1419	REQ_SEND;	1776	REQ_SEND;
1420	}	1777	}
1421		1778
1422	void	1779	void
1423	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
1424	CODE:	1783	CODE:
1425	{	1784	{
1426	dREQ (REQ_DB_CLOSE);	1785	dREQ (REQ_DB_CLOSE, 0);
		1786	ptr_nuke (ST (0));
1427	req->db = db;	1787	req->db = db;
1428	req->uint1 = flags;	1788	req->uint1 = flags;
1429	req->sv1 = (SV *)db->app_private;	1789	req->sv1 = (SV *)db->app_private;
1430	REQ_SEND;	1790	REQ_SEND;
1431	ptr_nuke (ST (0));
1432	}	1791	}
1433		1792
		1793	#if DBVER >= 404
		1794
1434	void	1795	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)	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
1436	CODE:	1799	CODE:
1437	{	1800	{
1438	dREQ (REQ_DB_COMPACT);	1801	dREQ (REQ_DB_COMPACT, 2);
1439	req->db = db;	1802	req->db = db;
1440	req->txn = txn;	1803	req->txn = txn;
1441	sv_to_dbt (&req->dbt1, start);	1804	if (start) sv_to_dbt (&req->dbt1, start);
1442	sv_to_dbt (&req->dbt2, stop);	1805	if (stop ) sv_to_dbt (&req->dbt2, stop );
1443	req->uint1 = flags;	1806	req->uint1 = flags;
1444	REQ_SEND;	1807	REQ_SEND;
1445	}	1808	}
1446		1809
		1810	#endif
		1811
1447	void	1812	void
1448	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
1449	CODE:	1816	CODE:
1450	{	1817	{
1451	dREQ (REQ_DB_SYNC);	1818	dREQ (REQ_DB_SYNC, 1);
1452	req->db = db;	1819	req->db = db;
1453	req->uint1 = flags;	1820	req->uint1 = flags;
1454	REQ_SEND;	1821	REQ_SEND;
1455	}	1822	}
1456		1823
1457	void	1824	void
1458	db_upgrade (DB db, octetstring file, U32 flags = 0, SV callback = &PL_sv_undef)	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
1459	CODE:	1828	CODE:
1460	{	1829	{
1461	dREQ (REQ_DB_SYNC);	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);
1462	req->db = db;	1846	req->db = db;
1463	req->buf1 = strdup (file);	1847	req->buf1 = strdup (file);
1464	req->uint1 = flags;	1848	req->uint1 = flags;
1465	REQ_SEND;	1849	REQ_SEND;
1466	}	1850	}
1467		1851
1468	void	1852	void
1469	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
1470	CODE:	1856	CODE:
1471	{	1857	{
1472	dREQ (REQ_DB_KEY_RANGE);	1858	dREQ (REQ_DB_KEY_RANGE, 2);
1473	req->db = db;	1859	req->db = db;
1474	req->txn = txn;	1860	req->txn = txn;
1475	sv_to_dbt (&req->dbt1, key);	1861	sv_to_dbt (&req->dbt1, key);
1476	req->uint1 = flags;	1862	req->uint1 = flags;
1477	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1863	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1478	REQ_SEND;	1864	REQ_SEND;
1479	}	1865	}
1480		1866
1481	void	1867	void
1482	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
1483	CODE:	1871	CODE:
1484	{	1872	{
1485	dREQ (REQ_DB_PUT);	1873	dREQ (REQ_DB_PUT, 2);
1486	req->db = db;	1874	req->db = db;
1487	req->txn = txn;	1875	req->txn = txn;
1488	sv_to_dbt (&req->dbt1, key);	1876	sv_to_dbt (&req->dbt1, key);
1489	sv_to_dbt (&req->dbt2, data);	1877	sv_to_dbt (&req->dbt2, data);
1490	req->uint1 = flags;	1878	req->uint1 = flags;
1491	REQ_SEND;	1879	REQ_SEND;
1492	}	1880	}
1493		1881
		1882	#if DBVER >= 406
		1883
1494	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
1495	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
1496	CODE:	1904	CODE:
1497	{	1905	{
1498	if (SvREADONLY (data))	1906	//TODO: key is somtimesmutable
1499	croak ("can't modify read-only data scalar in db_get");
1500
1501	dREQ (REQ_DB_GET);	1907	dREQ (REQ_DB_GET, 2);
1502	req->db = db;	1908	req->db = db;
1503	req->txn = txn;	1909	req->txn = txn;
1504	req->uint1 = flags;	1910	req->uint1 = flags;
1505	sv_to_dbt (&req->dbt1, key);	1911	sv_to_dbt (&req->dbt1, key);
1506	req->dbt3.flags = DB_DBT_MALLOC;	1912	req->dbt3.flags = DB_DBT_MALLOC;
1507	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1913	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1508	REQ_SEND;	1914	REQ_SEND;
1509	}	1915	}
1510		1916
1511	void	1917	void
1512	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
1513	CODE:	1921	CODE:
1514	{	1922	{
1515	if (SvREADONLY (data))	1923	//TODO: key is somtimesmutable
1516	croak ("can't modify read-only data scalar in db_pget");
1517
1518	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);
1519	req->db = db;	1946	req->db = db;
1520	req->txn = txn;	1947	req->txn = txn;
1521	req->uint1 = flags;	1948	req->uint1 = flags;
1522	sv_to_dbt (&req->dbt1, key);	1949	sv_to_dbt (&req->dbt1, key);
1523	sv_to_dbt (&req->dbt2, pkey);
1524	req->dbt3.flags = DB_DBT_MALLOC;
1525	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1526	REQ_SEND;	1950	REQ_SEND;
1527	}	1951	}
1528		1952
1529	void	1953	void
1530	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
1531	CODE:	1957	CODE:
1532	{	1958	{
1533	dREQ (REQ_DB_DEL);	1959	dREQ (REQ_TXN_COMMIT, 0);
1534	req->db = db;	1960	ptr_nuke (ST (0));
1535	req->txn = txn;	1961	req->txn = txn;
1536	req->uint1 = flags;	1962	req->uint1 = flags;
1537	sv_to_dbt (&req->dbt1, key);
1538	REQ_SEND;	1963	REQ_SEND;
1539	}	1964	}
1540		1965
1541	void	1966	void
1542	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
1543	CODE:	1970	CODE:
1544	{	1971	{
1545	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));
1546	req->txn = txn;	1986	req->txn = txn;
1547	req->uint1 = flags;	1987	req->uint1 = flags;
1548	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);
1549	ptr_nuke (ST (0));	1998	ptr_nuke (ST (0));
1550	}
1551
1552	void
1553	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1554	CODE:
1555	{
1556	dREQ (REQ_TXN_ABORT);
1557	req->txn = txn;
1558	REQ_SEND;
1559	ptr_nuke (ST (0));
1560	}
1561
1562	void
1563	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
1564	CODE:
1565	{
1566	dREQ (REQ_TXN_FINISH);
1567	req->txn = txn;
1568	req->uint1 = flags;
1569	REQ_SEND;
1570	ptr_nuke (ST (0));
1571	}
1572
1573	void
1574	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1575	CODE:
1576	{
1577	dREQ (REQ_C_CLOSE);
1578	req->dbc = dbc;	1999	req->dbc = dbc;
1579	REQ_SEND;	2000	REQ_SEND;
1580	ptr_nuke (ST (0));
1581	}	2001	}
1582		2002
1583	void	2003	void
1584	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
1585	CODE:	2007	CODE:
1586	{	2008	{
1587	dREQ (REQ_C_COUNT);	2009	dREQ (REQ_C_COUNT, 1);
1588	req->dbc = dbc;	2010	req->dbc = dbc;
1589	req->sv1 = SvREFCNT_inc (count);	2011	req->sv1 = SvREFCNT_inc (count);
1590	REQ_SEND;	2012	REQ_SEND;
1591	}	2013	}
1592		2014
1593	void	2015	void
1594	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
1595	CODE:	2019	CODE:
1596	{	2020	{
1597	dREQ (REQ_C_PUT);	2021	dREQ (REQ_C_PUT, 1);
1598	req->dbc = dbc;	2022	req->dbc = dbc;
1599	sv_to_dbt (&req->dbt1, key);	2023	sv_to_dbt (&req->dbt1, key);
1600	sv_to_dbt (&req->dbt2, data);	2024	sv_to_dbt (&req->dbt2, data);
1601	req->uint1 = flags;	2025	req->uint1 = flags;
1602	REQ_SEND;	2026	REQ_SEND;
1603	}	2027	}
1604		2028
1605	void	2029	void
1606	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
1607	CODE:	2033	CODE:
1608	{	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	{
1609	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);
1610	req->dbc = dbc;	2119	req->dbc = dbc;
1611	req->uint1 = flags;	2120	req->uint1 = flags;
1612	if ((flags & DB_SET) == DB_SET
1613	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1614	sv_to_dbt (&req->dbt1, key);
1615	else
1616	req->dbt1.flags = DB_DBT_MALLOC;
1617
1618	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1619
1620	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1621	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1622	sv_to_dbt (&req->dbt3, data);
1623	else
1624	req->dbt3.flags = DB_DBT_MALLOC;
1625
1626	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1627	REQ_SEND;	2121	REQ_SEND;
1628	}	2122	}
1629		2123
1630	void
1631	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1632	CODE:
1633	{
1634	dREQ (REQ_C_PGET);
1635	req->dbc = dbc;
1636	req->uint1 = flags;
1637	if ((flags & DB_SET) == DB_SET
1638	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1639	sv_to_dbt (&req->dbt1, key);
1640	else
1641	req->dbt1.flags = DB_DBT_MALLOC;
1642		2124
1643	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2125	#if DBVER >= 403
1644		2126
1645	req->dbt2.flags = DB_DBT_MALLOC;
1646	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1647
1648	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1649	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1650	sv_to_dbt (&req->dbt3, data);
1651	else
1652	req->dbt3.flags = DB_DBT_MALLOC;
1653
1654	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1655	REQ_SEND;
1656	}
1657
1658	void	2127	void
1659	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1660	CODE:
1661	{
1662	dREQ (REQ_C_DEL);
1663	req->dbc = dbc;
1664	req->uint1 = flags;
1665	REQ_SEND;
1666	}
1667
1668
1669	void
1670	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
1671	CODE:	2131	CODE:
1672	{	2132	{
1673	dREQ (REQ_SEQ_OPEN);	2133	dREQ (REQ_SEQ_OPEN, 2);
1674	req->seq = seq;	2134	req->seq = seq;
1675	req->txn = txnid;	2135	req->txn = txnid;
1676	req->uint1 = flags \| DB_THREAD;	2136	req->uint1 = flags \| DB_THREAD;
1677	sv_to_dbt (&req->dbt1, key);	2137	sv_to_dbt (&req->dbt1, key);
1678	REQ_SEND;	2138	REQ_SEND;
1679	}	2139	}
1680		2140
1681	void	2141	void
1682	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
1683	CODE:	2145	CODE:
1684	{	2146	{
1685	dREQ (REQ_SEQ_CLOSE);	2147	dREQ (REQ_SEQ_CLOSE, 0);
		2148	ptr_nuke (ST (0));
1686	req->seq = seq;	2149	req->seq = seq;
1687	req->uint1 = flags;	2150	req->uint1 = flags;
1688	REQ_SEND;	2151	REQ_SEND;
1689	ptr_nuke (ST (0));
1690	}	2152	}
1691		2153
1692	void	2154	void
1693	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
1694	CODE:	2158	CODE:
1695	{	2159	{
1696	dREQ (REQ_SEQ_GET);	2160	dREQ (REQ_SEQ_GET, 2);
1697	req->seq = seq;	2161	req->seq = seq;
1698	req->txn = txnid;	2162	req->txn = txnid;
1699	req->int1 = delta;	2163	req->int1 = delta;
1700	req->uint1 = flags;	2164	req->uint1 = flags;
1701	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2165	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1702	REQ_SEND;	2166	REQ_SEND;
1703	}	2167	}
1704		2168
1705	void	2169	void
1706	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
1707	CODE:	2173	CODE:
1708	{	2174	{
1709	dREQ (REQ_SEQ_REMOVE);	2175	dREQ (REQ_SEQ_REMOVE, 2);
1710	req->seq = seq;	2176	req->seq = seq;
1711	req->txn = txnid;	2177	req->txn = txnid;
1712	req->uint1 = flags;	2178	req->uint1 = flags;
1713	REQ_SEND;	2179	REQ_SEND;
1714	}	2180	}
1715		2181
		2182	#endif
		2183
1716		2184
1717	MODULE = BDB PACKAGE = BDB::Env	2185	MODULE = BDB PACKAGE = BDB::Env
1718		2186
1719	void	2187	void
1720	DESTROY (DB_ENV_ornull *env)	2188	DESTROY (DB_ENV_ornuked *env)
1721	CODE:	2189	CODE:
1722	if (env)	2190	if (env)
1723	env->close (env, 0);	2191	env->close (env, 0);
1724		2192
1725	int set_data_dir (DB_ENV env, const char dir)	2193	int set_data_dir (DB_ENV env, const char dir)
…		…
1756	CODE:	2224	CODE:
1757	RETVAL = env->set_flags (env, flags, onoff);	2225	RETVAL = env->set_flags (env, flags, onoff);
1758	OUTPUT:	2226	OUTPUT:
1759	RETVAL	2227	RETVAL
1760		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
1761	void set_errfile (DB_ENV env, FILE errfile = 0)	2246	void set_errfile (DB_ENV env, FILE errfile = 0)
1762	CODE:	2247	CODE:
1763	env->set_errfile (env, errfile);	2248	env->set_errfile (env, errfile);
1764		2249
1765	void set_msgfile (DB_ENV env, FILE msgfile = 0)	2250	void set_msgfile (DB_ENV env, FILE msgfile = 0)
…		…
1835	int set_lg_max (DB_ENV *env, U32 max)	2320	int set_lg_max (DB_ENV *env, U32 max)
1836	CODE:	2321	CODE:
1837	RETVAL = env->set_lg_max (env, max);	2322	RETVAL = env->set_lg_max (env, max);
1838	OUTPUT:	2323	OUTPUT:
1839	RETVAL	2324	RETVAL
		2325
		2326	#if DBVER >= 404
1840		2327
1841	int mutex_set_max (DB_ENV *env, U32 max)	2328	int mutex_set_max (DB_ENV *env, U32 max)
1842	CODE:	2329	CODE:
1843	RETVAL = env->mutex_set_max (env, max);	2330	RETVAL = env->mutex_set_max (env, max);
1844	OUTPUT:	2331	OUTPUT:
…		…
1860	CODE:	2347	CODE:
1861	RETVAL = env->mutex_set_align (env, align);	2348	RETVAL = env->mutex_set_align (env, align);
1862	OUTPUT:	2349	OUTPUT:
1863	RETVAL	2350	RETVAL
1864		2351
		2352	#endif
		2353
1865	DB_TXN *	2354	DB_TXN *
1866	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)
1867	CODE:	2356	CODE:
1868	errno = env->txn_begin (env, parent, &RETVAL, flags);	2357	errno = env->txn_begin (env, parent, &RETVAL, flags);
1869	if (errno)	2358	if (errno)
1870	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2359	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1871	OUTPUT:	2360	OUTPUT:
1872	RETVAL	2361	RETVAL
1873		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
1874	MODULE = BDB PACKAGE = BDB::Db	2376	MODULE = BDB PACKAGE = BDB::Db
1875		2377
1876	void	2378	void
1877	DESTROY (DB_ornull *db)	2379	DESTROY (DB_ornuked *db)
1878	CODE:	2380	CODE:
1879	if (db)	2381	if (db)
1880	{	2382	{
1881	SV env = (SV )db->app_private;	2383	SV env = (SV )db->app_private;
1882	db->close (db, 0);	2384	db->close (db, 0);
…		…
1887	CODE:	2389	CODE:
1888	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2390	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1889	OUTPUT:	2391	OUTPUT:
1890	RETVAL	2392	RETVAL
1891		2393
		2394	int set_pagesize (DB *db, U32 pagesize)
		2395	CODE:
		2396	RETVAL = db->set_pagesize (db, pagesize);
		2397	OUTPUT:
		2398	RETVAL
		2399
1892	int set_flags (DB *db, U32 flags)	2400	int set_flags (DB *db, U32 flags)
1893	CODE:	2401	CODE:
1894	RETVAL = db->set_flags (db, flags);	2402	RETVAL = db->set_flags (db, flags);
1895	OUTPUT:	2403	OUTPUT:
1896	RETVAL	2404	RETVAL
…		…
1962	if (errno)	2470	if (errno)
1963	croak ("DB->cursor: %s", db_strerror (errno));	2471	croak ("DB->cursor: %s", db_strerror (errno));
1964	OUTPUT:	2472	OUTPUT:
1965	RETVAL	2473	RETVAL
1966		2474
		2475	#if DBVER >= 403
		2476
1967	DB_SEQUENCE *	2477	DB_SEQUENCE *
1968	sequence (DB *db, U32 flags = 0)	2478	sequence (DB *db, U32 flags = 0)
1969	CODE:	2479	CODE:
1970	{	2480	{
1971	errno = db_sequence_create (&RETVAL, db, flags);	2481	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1973	croak ("db_sequence_create: %s", db_strerror (errno));	2483	croak ("db_sequence_create: %s", db_strerror (errno));
1974	}	2484	}
1975	OUTPUT:	2485	OUTPUT:
1976	RETVAL	2486	RETVAL
1977		2487
		2488	#endif
		2489
1978		2490
1979	MODULE = BDB PACKAGE = BDB::Txn	2491	MODULE = BDB PACKAGE = BDB::Txn
1980		2492
1981	void	2493	void
1982	DESTROY (DB_TXN_ornull *txn)	2494	DESTROY (DB_TXN_ornuked *txn)
1983	CODE:	2495	CODE:
1984	if (txn)	2496	if (txn)
1985	txn->abort (txn);	2497	txn->abort (txn);
1986		2498
1987	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)	2499	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
…		…
1998		2510
1999		2511
2000	MODULE = BDB PACKAGE = BDB::Cursor	2512	MODULE = BDB PACKAGE = BDB::Cursor
2001		2513
2002	void	2514	void
2003	DESTROY (DBC_ornull *dbc)	2515	DESTROY (DBC_ornuked *dbc)
2004	CODE:	2516	CODE:
2005	if (dbc)	2517	if (dbc)
2006	dbc->c_close (dbc);	2518	dbc->c_close (dbc);
2007		2519
2008	#if DB_VERSION_MINOR >= 6	2520	#if DBVER >= 406
2009		2521
2010	int set_priority (DBC *dbc, int priority)	2522	int set_priority (DBC *dbc, int priority)
2011	CODE:	2523	CODE:
2012	dbc->set_priority (dbc, priority);	2524	dbc->set_priority (dbc, priority);
2013		2525
2014	#endif	2526	#endif
2015		2527
		2528	#if DBVER >= 403
		2529
2016	MODULE = BDB PACKAGE = BDB::Sequence	2530	MODULE = BDB PACKAGE = BDB::Sequence
2017		2531
2018	void	2532	void
2019	DESTROY (DB_SEQUENCE_ornull *seq)	2533	DESTROY (DB_SEQUENCE_ornuked *seq)
2020	CODE:	2534	CODE:
2021	if (seq)	2535	if (seq)
2022	seq->close (seq, 0);	2536	seq->close (seq, 0);
2023		2537
2024	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2538	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
2043	CODE:	2557	CODE:
2044	RETVAL = seq->set_range (seq, min, max);	2558	RETVAL = seq->set_range (seq, min, max);
2045	OUTPUT:	2559	OUTPUT:
2046	RETVAL	2560	RETVAL
2047		2561
		2562	#endif
		2563
		2564

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Comparing BDB/BDB.xs (file contents): Revision 1.27 by root, Mon Dec 17 06:31:43 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 1.27 by root, Mon Dec 17 06:31:43 2007 UTC vs.
Revision 1.80 by root, Tue Feb 2 04:24:00 2016 UTC