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

Comparing BDB/BDB.xs (file contents):
Revision 1.15 by root, Mon Aug 13 11:16:22 2007 UTC vs.
Revision 1.81 by root, Tue Feb 2 04:28:06 2016 UTC

…		…
		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
6	#include "perl.h"	8	#include "perl.h"
7	#include "XSUB.h"	9	#include "XSUB.h"
8		10
		11	#include "schmorp.h"
		12
9	// perl stupidly defines these as macros, breaking	13	// perl stupidly defines these as argument-less macros, breaking
10	// lots and lots of code.	14	// lots and lots of code.
11	#undef open	15	#undef open
12	#undef close	16	#undef close
13	#undef abort	17	#undef abort
14	#undef malloc	18	#undef malloc
27	# include <unistd.h>	31	# include <unistd.h>
28	#endif	32	#endif
29		33
30	#include <db.h>	34	#include <db.h>
31		35
32	#if DB_VERSION_MAJOR < 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)	36	#define DBVER DB_VERSION_MAJOR * 100 + DB_VERSION_MINOR
		37
		38	#if DBVER < 403
33	# error you need Berkeley DB 4.4 or newer installed	39	# error you need Berkeley DB 4.3 or a newer version installed
34	#endif	40	#endif
35		41
36	/* number of seconds after which idle threads exit */	42	/* number of seconds after which idle threads exit */
37	#define IDLE_TIMEOUT 10	43	#define IDLE_TIMEOUT 10
		44
		45	typedef SV SV_mutable;
38		46
39	typedef DB_ENV DB_ENV_ornull;	47	typedef DB_ENV DB_ENV_ornull;
40	typedef DB_TXN DB_TXN_ornull;	48	typedef DB_TXN DB_TXN_ornull;
41	typedef DBC DBC_ornull;	49	typedef DBC DBC_ornull;
42	typedef DB DB_ornull;	50	typedef DB DB_ornull;
		51
		52	typedef DB_ENV DB_ENV_ornuked;
		53	typedef DB_TXN DB_TXN_ornuked;
		54	typedef DBC DBC_ornuked;
		55	typedef DB DB_ornuked;
		56
		57	#if DBVER >= 403
43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	58	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		59	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		60	#endif
44		61
45	typedef SV SV8; /* byte-sv, used for argument-checking */	62	typedef char *bdb_filename;
46	typedef char *octetstring;
47		63
48	static SV *prepare_cb;	64	static SV *prepare_cb;
		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	}
49		113
50	static void	114	static void
51	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)
52	{	116	{
53	printf ("err[%s]\n", msg);	117	printf ("err[%s]\n", msg);
…		…
81	dbt_to_sv (SV sv, DBT dbt)	145	dbt_to_sv (SV sv, DBT dbt)
82	{	146	{
83	if (sv)	147	if (sv)
84	{	148	{
85	SvREADONLY_off (sv);	149	SvREADONLY_off (sv);
		150
		151	if (dbt->data)
86	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
87	SvREFCNT_dec (sv);	156	SvREFCNT_dec (sv);
88	}	157	}
89		158
90	free (dbt->data);	159	free (dbt->data);
91	}	160	}
92		161
93	enum {	162	enum {
94	REQ_QUIT,	163	REQ_QUIT,
95	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,
96	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, REQ_ENV_FILEID_RESET,
97	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,
98	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,
99	REQ_TXN_COMMIT, REQ_TXN_ABORT,	169	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
100	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,
101	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,
102	};	172	};
103		173
104	typedef struct aio_cb	174	typedef struct bdb_cb
105	{	175	{
106	struct aio_cb *volatile next;	176	struct bdb_cb *volatile next;
107	SV *callback;	177	SV *callback;
108	int type, pri, result;	178	int type, pri, result;
109		179
110	DB_ENV *env;	180	DB_ENV *env;
111	DB *db;	181	DB *db;
…		…
113	DBC *dbc;	183	DBC *dbc;
114		184
115	UV uv1;	185	UV uv1;
116	int int1, int2;	186	int int1, int2;
117	U32 uint1, uint2;	187	U32 uint1, uint2;
118	char buf1, buf2;	188	char buf1, buf2, *buf3;
119	SV sv1, sv2, *sv3;	189	SV sv1, sv2, *sv3;
120		190
121	DBT dbt1, dbt2, dbt3;	191	DBT dbt1, dbt2, dbt3;
122	DB_KEY_RANGE key_range;	192	DB_KEY_RANGE key_range;
		193	#if DBVER >= 403
123	DB_SEQUENCE *seq;	194	DB_SEQUENCE *seq;
124	db_seq_t seq_t;	195	db_seq_t seq_t;
125	} aio_cb;	196	#endif
126		197
		198	SV rsv1, rsv2; // keep some request objects alive
		199	} bdb_cb;
		200
127	typedef aio_cb *aio_req;	201	typedef bdb_cb *bdb_req;
128		202
129	enum {	203	enum {
130	PRI_MIN = -4,	204	PRI_MIN = -4,
131	PRI_MAX = 4,	205	PRI_MAX = 4,
132		206
…		…
135	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	209	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
136	};	210	};
137		211
138	#define AIO_TICKS ((1000000 + 1023) >> 10)	212	#define AIO_TICKS ((1000000 + 1023) >> 10)
139		213
		214	static SV *on_next_submit;
		215
140	static unsigned int max_poll_time = 0;	216	static unsigned int max_poll_time = 0;
141	static unsigned int max_poll_reqs = 0;	217	static unsigned int max_poll_reqs = 0;
142		218
143	/* calculcate time difference in ~1/AIO_TICKS of a second */	219	/* calculcate time difference in ~1/AIO_TICKS of a second */
144	static int tvdiff (struct timeval tv1, struct timeval tv2)	220	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
150	static int next_pri = DEFAULT_PRI + PRI_BIAS;	226	static int next_pri = DEFAULT_PRI + PRI_BIAS;
151		227
152	static unsigned int started, idle, wanted;	228	static unsigned int started, idle, wanted;
153		229
154	/* worker threads management */	230	/* worker threads management */
155	static mutex_t wrklock = X_MUTEX_INIT;	231	static xmutex_t wrklock = X_MUTEX_INIT;
156		232
157	typedef struct worker {	233	typedef struct worker {
158	/* locked by wrklock */	234	/* locked by wrklock */
159	struct worker prev, next;	235	struct worker prev, next;
160		236
161	thread_t tid;	237	xthread_t tid;
162		238
163	/* locked by reslock, reqlock or wrklock */	239	/* locked by reslock, reqlock or wrklock */
164	aio_req req; /* currently processed request */	240	bdb_req req; /* currently processed request */
165	void *dbuf;	241	void *dbuf;
166	DIR *dirp;	242	DIR *dirp;
167	} worker;	243	} worker;
168		244
169	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	245	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
181	}	257	}
182		258
183	static volatile unsigned int nreqs, nready, npending;	259	static volatile unsigned int nreqs, nready, npending;
184	static volatile unsigned int max_idle = 4;	260	static volatile unsigned int max_idle = 4;
185	static volatile unsigned int max_outstanding = 0xffffffff;	261	static volatile unsigned int max_outstanding = 0xffffffff;
186	static int respipe [2], respipe_osf [2];	262	static s_epipe respipe;
187		263
188	static mutex_t reslock = X_MUTEX_INIT;	264	static xmutex_t reslock = X_MUTEX_INIT;
189	static mutex_t reqlock = X_MUTEX_INIT;	265	static xmutex_t reqlock = X_MUTEX_INIT;
190	static cond_t reqwait = X_COND_INIT;	266	static xcond_t reqwait = X_COND_INIT;
191		267
192	#if WORDACCESS_UNSAFE	268	#if WORDACCESS_UNSAFE
193		269
194	static unsigned int get_nready ()	270	static unsigned int get_nready (void)
195	{	271	{
196	unsigned int retval;	272	unsigned int retval;
197		273
198	X_LOCK (reqlock);	274	X_LOCK (reqlock);
199	retval = nready;	275	retval = nready;
200	X_UNLOCK (reqlock);	276	X_UNLOCK (reqlock);
201		277
202	return retval;	278	return retval;
203	}	279	}
204		280
205	static unsigned int get_npending ()	281	static unsigned int get_npending (void)
206	{	282	{
207	unsigned int retval;	283	unsigned int retval;
208		284
209	X_LOCK (reslock);	285	X_LOCK (reslock);
210	retval = npending;	286	retval = npending;
211	X_UNLOCK (reslock);	287	X_UNLOCK (reslock);
212		288
213	return retval;	289	return retval;
214	}	290	}
215		291
216	static unsigned int get_nthreads ()	292	static unsigned int get_nthreads (void)
217	{	293	{
218	unsigned int retval;	294	unsigned int retval;
219		295
220	X_LOCK (wrklock);	296	X_LOCK (wrklock);
221	retval = started;	297	retval = started;
…		…
236	* a somewhat faster data structure might be nice, but	312	* a somewhat faster data structure might be nice, but
237	* with 8 priorities this actually needs <20 insns	313	* with 8 priorities this actually needs <20 insns
238	* per shift, the most expensive operation.	314	* per shift, the most expensive operation.
239	*/	315	*/
240	typedef struct {	316	typedef struct {
241	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	317	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
242	int size;	318	int size;
243	} reqq;	319	} reqq;
244		320
245	static reqq req_queue;	321	static reqq req_queue;
246	static reqq res_queue;	322	static reqq res_queue;
247		323
248	int reqq_push (reqq *q, aio_req req)	324	int reqq_push (reqq *q, bdb_req req)
249	{	325	{
250	int pri = req->pri;	326	int pri = req->pri;
251	req->next = 0;	327	req->next = 0;
252		328
253	if (q->qe[pri])	329	if (q->qe[pri])
…		…
259	q->qe[pri] = q->qs[pri] = req;	335	q->qe[pri] = q->qs[pri] = req;
260		336
261	return q->size++;	337	return q->size++;
262	}	338	}
263		339
264	aio_req reqq_shift (reqq *q)	340	bdb_req reqq_shift (reqq *q)
265	{	341	{
266	int pri;	342	int pri;
267		343
268	if (!q->size)	344	if (!q->size)
269	return 0;	345	return 0;
270		346
271	--q->size;	347	--q->size;
272		348
273	for (pri = NUM_PRI; pri--; )	349	for (pri = NUM_PRI; pri--; )
274	{	350	{
275	aio_req req = q->qs[pri];	351	bdb_req req = q->qs[pri];
276		352
277	if (req)	353	if (req)
278	{	354	{
279	if (!(q->qs[pri] = req->next))	355	if (!(q->qs[pri] = req->next))
280	q->qe[pri] = 0;	356	q->qe[pri] = 0;
…		…
284	}	360	}
285		361
286	abort ();	362	abort ();
287	}	363	}
288		364
289	static int poll_cb ();	365	static int poll_cb (void);
290	static void req_free (aio_req req);	366	static void req_free (bdb_req req);
291	static void req_cancel (aio_req req);
292		367
293	static int req_invoke (aio_req req)	368	static int req_invoke (bdb_req req)
294	{	369	{
295	dSP;	370	switch (req->type)
296
297	if (SvOK (req->callback))
298	{	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
299	ENTER;	442	ENTER;
300	SAVETMPS;	443	SAVETMPS;
301	PUSHMARK (SP);	444	PUSHMARK (SP);
302		445
303	switch (req->type)
304	{
305	case REQ_DB_CLOSE:
306	SvREFCNT_dec (req->sv1);
307	break;
308
309	case REQ_DB_GET:
310	case REQ_DB_PGET:
311	dbt_to_sv (req->sv3, &req->dbt3);
312	break;
313
314	case REQ_C_GET:
315	case REQ_C_PGET:
316	dbt_to_sv (req->sv1, &req->dbt1);
317	dbt_to_sv (req->sv2, &req->dbt2);
318	dbt_to_sv (req->sv3, &req->dbt3);
319	break;
320
321	case REQ_DB_KEY_RANGE:
322	{
323	AV *av = newAV ();
324
325	av_push (av, newSVnv (req->key_range.less));
326	av_push (av, newSVnv (req->key_range.equal));
327	av_push (av, newSVnv (req->key_range.greater));
328
329	SvREADONLY_off (req->sv1);
330	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
331	SvREFCNT_dec (req->sv1);
332	}
333	break;
334
335	case REQ_SEQ_GET:
336	SvREADONLY_off (req->sv1);
337
338	if (sizeof (IV) > 4)
339	sv_setiv_mg (req->sv1, req->seq_t);
340	else
341	sv_setnv_mg (req->sv1, req->seq_t);
342
343	SvREFCNT_dec (req->sv1);
344	break;
345	}
346
347	errno = req->result;
348
349	PUTBACK;	446	PUTBACK;
350	call_sv (req->callback, G_VOID \| G_EVAL);	447	call_sv (req->callback, G_VOID \| G_EVAL);
351	SPAGAIN;	448	SPAGAIN;
352		449
353	FREETMPS;	450	FREETMPS;
354	LEAVE;	451	LEAVE;
		452
		453	return !SvTRUE (ERRSV);
355	}	454	}
356		455
357	return !SvTRUE (ERRSV);	456	return 1;
358	}	457	}
359		458
360	static void req_free (aio_req req)	459	static void req_free (bdb_req req)
361	{	460	{
		461	SvREFCNT_dec (req->callback);
		462
		463	SvREFCNT_dec (req->rsv1);
		464	SvREFCNT_dec (req->rsv2);
		465
362	free (req->buf1);	466	free (req->buf1);
363	free (req->buf2);	467	free (req->buf2);
		468	free (req->buf3);
		469
364	Safefree (req);	470	Safefree (req);
365	}	471	}
366		472
367	#ifdef USE_SOCKETS_AS_HANDLES
368	# define TO_SOCKET(x) (win32_get_osfhandle (x))
369	#else
370	# define TO_SOCKET(x) (x)
371	#endif
372
373	static void	473	static void
374	create_pipe (int fd[2])	474	create_respipe (void)
375	{	475	{
376	#ifdef _WIN32	476	if (s_epipe_renew (&respipe))
377	int arg = 1;	477	croak ("BDB: unable to create event pipe");
378	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
379	\|\| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg)
380	\|\| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg))
381	#else
382	if (pipe (fd)
383	\|\| fcntl (fd [0], F_SETFL, O_NONBLOCK)
384	\|\| fcntl (fd [1], F_SETFL, O_NONBLOCK))
385	#endif
386	croak ("unable to initialize result pipe");
387
388	respipe_osf [0] = TO_SOCKET (respipe [0]);
389	respipe_osf [1] = TO_SOCKET (respipe [1]);
390	}	478	}
391		479
		480	static void bdb_request (bdb_req req);
392	X_THREAD_PROC (bdb_proc);	481	X_THREAD_PROC (bdb_proc);
393		482
394	static void start_thread (void)	483	static void start_thread (void)
395	{	484	{
396	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
397		486
398	if (!wrk)	487	if (!wrk)
399	croak ("unable to allocate worker thread data");	488	croak ("unable to allocate worker thread data");
400		489
401	X_LOCK (wrklock);	490	X_LOCK (wrklock);
402	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))	491	if (xthread_create (&wrk->tid, bdb_proc, (void *)wrk))
403	{	492	{
404	wrk->prev = &wrk_first;	493	wrk->prev = &wrk_first;
405	wrk->next = wrk_first.next;	494	wrk->next = wrk_first.next;
406	wrk_first.next->prev = wrk;	495	wrk_first.next->prev = wrk;
407	wrk_first.next = wrk;	496	wrk_first.next = wrk;
…		…
411	free (wrk);	500	free (wrk);
412		501
413	X_UNLOCK (wrklock);	502	X_UNLOCK (wrklock);
414	}	503	}
415		504
416	static void maybe_start_thread ()	505	static void maybe_start_thread (void)
417	{	506	{
418	if (get_nthreads () >= wanted)	507	if (get_nthreads () >= wanted)
419	return;	508	return;
420		509
421	/* todo: maybe use idle here, but might be less exact */	510	/* todo: maybe use idle here, but might be less exact */
…		…
423	return;	512	return;
424		513
425	start_thread ();	514	start_thread ();
426	}	515	}
427		516
428	static void req_send (aio_req req)	517	static void req_send (bdb_req req)
429	{	518	{
430	SV *wait_callback = 0;	519	SV *wait_callback = 0;
431		520
432	// synthesize callback if none given	521	if (on_next_submit)
433	if (!SvOK (req->callback))
434	{	522	{
435	int count;
436
437	dSP;	523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
438	PUSHMARK (SP);	528	PUSHMARK (SP);
439	PUTBACK;	529	PUTBACK;
440	count = call_sv (prepare_cb, G_ARRAY);	530	call_sv (cb, G_DISCARD \| G_EVAL);
441	SPAGAIN;	531	SPAGAIN;
		532	}
442		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
443	if (count != 2)	547	if (count != 2)
444	croak ("prepare callback must return exactly two values\n");	548	croak ("sync prepare callback must return exactly two values\n");
445		549
446	wait_callback = SvREFCNT_inc (POPs);	550	wait_callback = POPs;
447	SvREFCNT_dec (req->callback);
448	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	}
449	}	561	}
450		562
451	++nreqs;	563	++nreqs;
452		564
453	X_LOCK (reqlock);	565	X_LOCK (reqlock);
…		…
462	{	574	{
463	dSP;	575	dSP;
464	PUSHMARK (SP);	576	PUSHMARK (SP);
465	PUTBACK;	577	PUTBACK;
466	call_sv (wait_callback, G_DISCARD);	578	call_sv (wait_callback, G_DISCARD);
467	SvREFCNT_dec (wait_callback);
468	}	579	}
469	}	580	}
470		581
471	static void end_thread (void)	582	static void end_thread (void)
472	{	583	{
473	aio_req req;	584	bdb_req req = calloc (1, sizeof (bdb_cb));
474
475	Newz (0, req, 1, aio_cb);
476		585
477	req->type = REQ_QUIT;	586	req->type = REQ_QUIT;
478	req->pri = PRI_MAX + PRI_BIAS;	587	req->pri = PRI_MAX + PRI_BIAS;
479		588
480	X_LOCK (reqlock);	589	X_LOCK (reqlock);
…		…
507		616
508	while (started > wanted)	617	while (started > wanted)
509	end_thread ();	618	end_thread ();
510	}	619	}
511		620
512	static void poll_wait ()	621	static void poll_wait (void)
513	{	622	{
514	fd_set rfd;
515
516	while (nreqs)	623	while (nreqs)
517	{	624	{
518	int size;	625	int size;
519	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
520	size = res_queue.size;	627	size = res_queue.size;
…		…
523	if (size)	630	if (size)
524	return;	631	return;
525		632
526	maybe_start_thread ();	633	maybe_start_thread ();
527		634
528	FD_ZERO (&rfd);	635	s_epipe_wait (&respipe);
529	FD_SET (respipe [0], &rfd);
530
531	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
532	}	636	}
533	}	637	}
534		638
535	static int poll_cb ()	639	static int poll_cb (void)
536	{	640	{
537	dSP;	641	dSP;
538	int count = 0;	642	int count = 0;
539	int maxreqs = max_poll_reqs;	643	int maxreqs = max_poll_reqs;
540	int do_croak = 0;	644	int do_croak = 0;
541	struct timeval tv_start, tv_now;	645	struct timeval tv_start, tv_now;
542	aio_req req;	646	bdb_req req;
543		647
544	if (max_poll_time)	648	if (max_poll_time)
545	gettimeofday (&tv_start, 0);	649	gettimeofday (&tv_start, 0);
546		650
547	for (;;)	651	for (;;)
…		…
556	if (req)	660	if (req)
557	{	661	{
558	--npending;	662	--npending;
559		663
560	if (!res_queue.size)	664	if (!res_queue.size)
561	{
562	/* read any signals sent by the worker threads */	665	/* read any signals sent by the worker threads */
563	char buf [4];	666	s_epipe_drain (&respipe);
564	while (respipe_read (respipe [0], buf, 4) == 4)
565	;
566	}
567	}	667	}
568		668
569	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
570		670
571	if (!req)	671	if (!req)
…		…
606	return count;	706	return count;
607	}	707	}
608		708
609	/*****************************************************************************/	709	/*****************************************************************************/
610		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
		869	case REQ_ENV_FILEID_RESET:
		870	req->result = req->env->fileid_reset (req->env, req->buf1, req->uint1);
		871	break;
		872	#endif
		873
		874	case REQ_ENV_LOG_ARCHIVE:
		875	{
		876	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		877	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		878	req->buf1 = (char *)listp;
		879	}
		880	break;
		881
		882	default:
		883	req->result = ENOSYS;
		884	break;
		885	}
		886
		887	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		888	req->txn->flags \|= TXN_DEADLOCK;
		889	}
		890
611	X_THREAD_PROC (bdb_proc)	891	X_THREAD_PROC (bdb_proc)
612	{	892	{
613	aio_req req;	893	bdb_req req;
614	struct timespec ts;	894	struct timespec ts;
615	worker self = (worker )thr_arg;	895	worker self = (worker )thr_arg;
616		896
617	/* try to distribute timeouts somewhat evenly */	897	/* try to distribute timeouts somewhat evenly */
618	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	898	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
619		899
620	for (;;)	900	for (;;)
621	{	901	{
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	902	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623		903
624	X_LOCK (reqlock);	904	X_LOCK (reqlock);
625		905
626	for (;;)	906	for (;;)
627	{	907	{
…		…
654	}	934	}
655		935
656	--nready;	936	--nready;
657		937
658	X_UNLOCK (reqlock);	938	X_UNLOCK (reqlock);
659		939
660	switch (req->type)	940	if (req->type == REQ_QUIT)
661	{	941	{
662	case REQ_QUIT:	942	X_LOCK (reslock);
		943	free (req);
		944	self->req = 0;
		945	X_UNLOCK (reslock);
		946
663	goto quit;	947	goto quit;
664
665	case REQ_ENV_OPEN:
666	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
667	break;
668
669	case REQ_ENV_CLOSE:
670	req->result = req->env->close (req->env, req->uint1);
671	break;
672
673	case REQ_ENV_TXN_CHECKPOINT:
674	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
675	break;
676
677	case REQ_ENV_LOCK_DETECT:
678	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
679	break;
680
681	case REQ_ENV_MEMP_SYNC:
682	req->result = req->env->memp_sync (req->env, 0);
683	break;
684
685	case REQ_ENV_MEMP_TRICKLE:
686	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
687	break;
688
689	case REQ_DB_OPEN:
690	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
691	break;
692
693	case REQ_DB_CLOSE:
694	req->result = req->db->close (req->db, req->uint1);
695	break;
696
697	case REQ_DB_COMPACT:
698	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
699	break;
700
701	case REQ_DB_SYNC:
702	req->result = req->db->sync (req->db, req->uint1);
703	break;
704
705	case REQ_DB_PUT:
706	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
707	break;
708
709	case REQ_DB_GET:
710	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
711	break;
712
713	case REQ_DB_PGET:
714	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
715	break;
716
717	case REQ_DB_DEL:
718	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
719	break;
720
721	case REQ_DB_KEY_RANGE:
722	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
723	break;
724
725	case REQ_TXN_COMMIT:
726	req->result = req->txn->commit (req->txn, req->uint1);
727	break;
728
729	case REQ_TXN_ABORT:
730	req->result = req->txn->abort (req->txn);
731	break;
732
733	case REQ_C_CLOSE:
734	req->result = req->dbc->c_close (req->dbc);
735	break;
736
737	case REQ_C_COUNT:
738	{
739	db_recno_t recno;
740	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
741	req->uv1 = recno;
742	}
743	break;
744
745	case REQ_C_PUT:
746	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
747	break;
748
749	case REQ_C_GET:
750	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
751	break;
752
753	case REQ_C_PGET:
754	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
755	break;
756
757	case REQ_C_DEL:
758	req->result = req->dbc->c_del (req->dbc, req->uint1);
759	break;
760
761	case REQ_SEQ_OPEN:
762	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
763	break;
764
765	case REQ_SEQ_CLOSE:
766	req->result = req->seq->close (req->seq, req->uint1);
767	break;
768
769	case REQ_SEQ_GET:
770	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
771	break;
772
773	case REQ_SEQ_REMOVE:
774	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
775	break;
776
777	default:
778	req->result = ENOSYS;
779	break;
780	}	948	}
781		949
		950	bdb_request (req);
		951
782	X_LOCK (reslock);	952	X_LOCK (reslock);
783		953
784	++npending;	954	++npending;
785		955
786	if (!reqq_push (&res_queue, req))	956	if (!reqq_push (&res_queue, req))
787	/* write a dummy byte to the pipe so fh becomes ready */	957	s_epipe_signal (&respipe);
788	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
789		958
790	self->req = 0;	959	self->req = 0;
791	worker_clear (self);	960	worker_clear (self);
792		961
793	X_UNLOCK (reslock);	962	X_UNLOCK (reslock);
…		…
817	X_UNLOCK (wrklock);	986	X_UNLOCK (wrklock);
818	}	987	}
819		988
820	static void atfork_child (void)	989	static void atfork_child (void)
821	{	990	{
822	aio_req prv;	991	bdb_req prv;
823		992
824	while (prv = reqq_shift (&req_queue))	993	while (prv = reqq_shift (&req_queue))
825	req_free (prv);	994	req_free (prv);
826		995
827	while (prv = reqq_shift (&res_queue))	996	while (prv = reqq_shift (&res_queue))
…		…
842	idle = 0;	1011	idle = 0;
843	nreqs = 0;	1012	nreqs = 0;
844	nready = 0;	1013	nready = 0;
845	npending = 0;	1014	npending = 0;
846		1015
847	respipe_close (respipe [0]);
848	respipe_close (respipe [1]);
849
850	create_pipe (respipe);	1016	create_respipe ();
851		1017
852	atfork_parent ();	1018	atfork_parent ();
853	}	1019	}
854		1020
855	#define dREQ(reqtype) \	1021	#define dREQ(reqtype,rsvcnt) \
856	aio_req req; \	1022	bdb_req req; \
857	int req_pri = next_pri; \	1023	int req_pri = next_pri; \
858	next_pri = DEFAULT_PRI + PRI_BIAS; \	1024	next_pri = DEFAULT_PRI + PRI_BIAS; \
859	\	1025	\
860	if (SvOK (callback) && !SvROK (callback)) \	1026	if (callback && SvOK (callback)) \
861	croak ("callback must be undef or of reference type"); \	1027	croak ("callback has illegal type or extra arguments"); \
862	\	1028	\
863	Newz (0, req, 1, aio_cb); \	1029	Newz (0, req, 1, bdb_cb); \
864	if (!req) \	1030	if (!req) \
865	croak ("out of memory during aio_req allocation"); \	1031	croak ("out of memory during bdb_req allocation"); \
866	\	1032	\
867	req->callback = newSVsv (callback); \	1033	req->callback = SvREFCNT_inc (cb); \
868	req->type = (reqtype); \	1034	req->type = (reqtype); \
869	req->pri = req_pri	1035	req->pri = req_pri; \
		1036	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1037	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1038	(void)0;
870		1039
871	#define REQ_SEND \	1040	#define REQ_SEND \
872	req_send (req)	1041	req_send (req)
873		1042
874	#define SvPTR(var, arg, type, class, nullok) \	1043	#define SvPTR(var, arg, type, stash, class, nullok) \
875	if (!SvOK (arg)) \	1044	if (!SvOK (arg)) \
876	{ \	1045	{ \
877	if (!nullok) \	1046	if (nullok != 1) \
878	croak (# var " must be a " # class " object, not undef"); \	1047	croak (# var " must be a " # class " object, not undef"); \
879	\	1048	\
880	(var) = 0; \	1049	(var) = 0; \
881	} \	1050	} \
882	else if (sv_derived_from ((arg), # class)) \	1051	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
883	{ \	1052	{ \
884	IV tmp = SvIV ((SV*) SvRV (arg)); \	1053	IV tmp = SvIV ((SV*) SvRV (arg)); \
885	(var) = INT2PTR (type, tmp); \	1054	(var) = INT2PTR (type, tmp); \
886	if (!var) \	1055	if (!var && nullok != 2) \
887	croak (# var " is not a valid " # class " object anymore"); \	1056	croak (# var " is not a valid " # class " object anymore"); \
888	} \	1057	} \
889	else \	1058	else \
890	croak (# var " is not of type " # class); \	1059	croak (# var " is not of type " # class);
891	\	1060
		1061	#define ARG_MUTABLE(name) \
		1062	if (SvREADONLY (name)) \
		1063	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1064
		1065	static SV *
		1066	newSVptr (void ptr, HV stash)
		1067	{
		1068	SV *rv = NEWSV (0, 0);
		1069	sv_upgrade (rv, SVt_PVMG);
		1070	sv_setiv (rv, PTR2IV (ptr));
		1071
		1072	return sv_bless (newRV_noinc (rv), stash);
		1073	}
892		1074
893	static void	1075	static void
894	ptr_nuke (SV *sv)	1076	ptr_nuke (SV *sv)
895	{	1077	{
896	assert (SvROK (sv));	1078	assert (SvROK (sv));
897	sv_setiv (SvRV (sv), 0);	1079	sv_setiv (SvRV (sv), 0);
898	}	1080	}
899		1081
		1082	static int
		1083	errno_get (pTHX_ SV sv, MAGIC mg)
		1084	{
		1085	if (*mg->mg_ptr == '!') // should always be the case
		1086	if (-30999 <= errno && errno <= -30800)
		1087	{
		1088	sv_setnv (sv, (NV)errno);
		1089	sv_setpv (sv, db_strerror (errno));
		1090	SvNOK_on (sv); /* what a wonderful hack! */
		1091	// ^^^ copied from perl sources
		1092	return 0;
		1093	}
		1094
		1095	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1096	}
		1097
		1098	static MGVTBL vtbl_errno;
		1099
		1100	// this wonderful hack :( patches perl's $! variable to support our errno values
		1101	static void
		1102	patch_errno (void)
		1103	{
		1104	SV *sv;
		1105	MAGIC *mg;
		1106
		1107	if (!(sv = get_sv ("!", 1)))
		1108	return;
		1109
		1110	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1111	return;
		1112
		1113	if (mg->mg_virtual != &PL_vtbl_sv)
		1114	return;
		1115
		1116	vtbl_errno = PL_vtbl_sv;
		1117	vtbl_errno.svt_get = errno_get;
		1118	mg->mg_virtual = &vtbl_errno;
		1119	}
		1120
		1121	#if __GNUC__ >= 4
		1122	# define noinline __attribute__ ((noinline))
		1123	#else
		1124	# define noinline
		1125	#endif
		1126
		1127	static noinline SV *
		1128	pop_callback (I32 ritems, SV sv)
		1129	{
		1130	if (SvROK (sv))
		1131	{
		1132	HV *st;
		1133	GV *gvp;
		1134	CV *cv;
		1135	const char *name;
		1136
		1137	/* forgive me */
		1138	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1139	&& (st = SvSTASH (SvRV (sv)))
		1140	&& (name = HvNAME_get (st))
		1141	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1142	return 0;
		1143
		1144	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1145	{
		1146	--*ritems;
		1147	return (SV *)cv;
		1148	}
		1149	}
		1150
		1151	return 0;
		1152	}
		1153
		1154	/*****************************************************************************/
		1155
		1156	#if 0
		1157	static int
		1158	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1159	{
		1160	ssize_t size1 = dbt1->size;
		1161	ssize_t size2 = dbt2->size;
		1162	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1163	size1 <= size2 ? size1 : size2);
		1164
		1165	if (res)
		1166	return res;
		1167	else if (size1 - size2)
		1168	return size1 - size2;
		1169	else
		1170	return 0;
		1171	}
		1172
		1173	static size_t
		1174	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1175	{
		1176	ssize_t size1 = dbt1->size;
		1177	ssize_t size2 = dbt2->size;
		1178	u_int8_t p1 = (u_int8_t )dbt1->data;
		1179	u_int8_t p2 = (u_int8_t )dbt2->data;
		1180	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1181
		1182	while (p1 < pe)
		1183	if (p1++ != p2++)
		1184	return p1 - (u_int8_t *)dbt1->data - 1;
		1185
		1186	if (size1 < size2) return size1 + 1;
		1187	if (size1 > size2) return size2 + 1;
		1188
		1189	return size1;
		1190	}
		1191	#endif
		1192
		1193	/*****************************************************************************/
		1194
		1195	/* stupid windows defines CALLBACK as well */
		1196	#undef CALLBACK
		1197	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1198
900	MODULE = BDB PACKAGE = BDB	1199	MODULE = BDB PACKAGE = BDB
901		1200
902	PROTOTYPES: ENABLE	1201	PROTOTYPES: ENABLE
903		1202
904	BOOT:	1203	BOOT:
905	{	1204	{
906	HV *stash = gv_stashpv ("BDB", 1);
907
908	static const struct {	1205	static const struct {
909	const char *name;	1206	const char *name;
910	IV iv;	1207	IV iv;
911	} *civ, const_iv[] = {	1208	} *civ, const_iv[] = {
912	#define const_iv(name) { # name, (IV)DB_ ## name },	1209	#define const_iv(name) { # name, (IV)DB_ ## name },
		1210	#if DBVER <= 408
913	const_iv (RPCCLIENT)	1211	const_iv (RPCCLIENT)
		1212	#endif
914	const_iv (INIT_CDB)	1213	const_iv (INIT_CDB)
915	const_iv (INIT_LOCK)	1214	const_iv (INIT_LOCK)
916	const_iv (INIT_LOG)	1215	const_iv (INIT_LOG)
917	const_iv (INIT_MPOOL)	1216	const_iv (INIT_MPOOL)
918	const_iv (INIT_REP)	1217	const_iv (INIT_REP)
919	const_iv (INIT_TXN)	1218	const_iv (INIT_TXN)
920	const_iv (RECOVER)	1219	const_iv (RECOVER)
921	const_iv (INIT_TXN)	1220	const_iv (INIT_TXN)
922	const_iv (RECOVER_FATAL)	1221	const_iv (RECOVER_FATAL)
923	const_iv (CREATE)	1222	const_iv (CREATE)
		1223	const_iv (RDONLY)
924	const_iv (USE_ENVIRON)	1224	const_iv (USE_ENVIRON)
925	const_iv (USE_ENVIRON_ROOT)	1225	const_iv (USE_ENVIRON_ROOT)
926	const_iv (LOCKDOWN)	1226	const_iv (LOCKDOWN)
927	const_iv (PRIVATE)	1227	const_iv (PRIVATE)
928	const_iv (REGISTER)
929	const_iv (SYSTEM_MEM)	1228	const_iv (SYSTEM_MEM)
930	const_iv (AUTO_COMMIT)	1229	const_iv (AUTO_COMMIT)
931	const_iv (CDB_ALLDB)	1230	const_iv (CDB_ALLDB)
932	const_iv (DIRECT_DB)	1231	const_iv (DIRECT_DB)
933	const_iv (DIRECT_LOG)
934	const_iv (DSYNC_DB)
935	const_iv (DSYNC_LOG)
936	const_iv (LOG_AUTOREMOVE)
937	const_iv (LOG_INMEMORY)
938	const_iv (NOLOCKING)	1232	const_iv (NOLOCKING)
939	const_iv (NOMMAP)	1233	const_iv (NOMMAP)
940	const_iv (NOPANIC)	1234	const_iv (NOPANIC)
941	const_iv (OVERWRITE)	1235	const_iv (OVERWRITE)
942	const_iv (PANIC_ENVIRONMENT)	1236	const_iv (PANIC_ENVIRONMENT)
943	const_iv (REGION_INIT)	1237	const_iv (REGION_INIT)
944	const_iv (TIME_NOTGRANTED)	1238	const_iv (TIME_NOTGRANTED)
945	const_iv (TXN_NOSYNC)	1239	const_iv (TXN_NOSYNC)
		1240	const_iv (TXN_NOT_DURABLE)
946	const_iv (TXN_WRITE_NOSYNC)	1241	const_iv (TXN_WRITE_NOSYNC)
947	const_iv (WRITECURSOR)	1242	const_iv (WRITECURSOR)
948	const_iv (YIELDCPU)	1243	const_iv (YIELDCPU)
949	const_iv (ENCRYPT_AES)	1244	const_iv (ENCRYPT_AES)
		1245	#if DBVER < 408
950	const_iv (XA_CREATE)	1246	const_iv (XA_CREATE)
		1247	#endif
951	const_iv (BTREE)	1248	const_iv (BTREE)
952	const_iv (HASH)	1249	const_iv (HASH)
953	const_iv (QUEUE)	1250	const_iv (QUEUE)
954	const_iv (RECNO)	1251	const_iv (RECNO)
955	const_iv (UNKNOWN)	1252	const_iv (UNKNOWN)
956	const_iv (EXCL)	1253	const_iv (EXCL)
957	const_iv (READ_COMMITTED)
958	const_iv (READ_UNCOMMITTED)
959	const_iv (TRUNCATE)	1254	const_iv (TRUNCATE)
960	const_iv (NOSYNC)	1255	const_iv (NOSYNC)
961	const_iv (CHKSUM)	1256	const_iv (CHKSUM)
962	const_iv (ENCRYPT)	1257	const_iv (ENCRYPT)
963	const_iv (TXN_NOT_DURABLE)
964	const_iv (DUP)	1258	const_iv (DUP)
965	const_iv (DUPSORT)	1259	const_iv (DUPSORT)
966	const_iv (RECNUM)	1260	//const_iv (RECNUM)
967	const_iv (RENUMBER)	1261	const_iv (RENUMBER)
968	const_iv (REVSPLITOFF)	1262	const_iv (REVSPLITOFF)
969	const_iv (INORDER)
970	const_iv (CONSUME)	1263	const_iv (CONSUME)
971	const_iv (CONSUME_WAIT)	1264	const_iv (CONSUME_WAIT)
972	const_iv (GET_BOTH)	1265	const_iv (GET_BOTH)
973	const_iv (GET_BOTH_RANGE)	1266	const_iv (GET_BOTH_RANGE)
974	//const_iv (SET_RECNO)	1267	//const_iv (SET_RECNO)
975	//const_iv (MULTIPLE)	1268	//const_iv (MULTIPLE)
976	const_iv (SNAPSHOT)	1269	const_iv (SNAPSHOT)
977	const_iv (JOIN_ITEM)	1270	const_iv (JOIN_ITEM)
		1271	const_iv (JOIN_NOSORT)
978	const_iv (RMW)	1272	const_iv (RMW)
979		1273
980	const_iv (NOTFOUND)	1274	const_iv (NOTFOUND)
981	const_iv (KEYEMPTY)	1275	const_iv (KEYEMPTY)
982	const_iv (LOCK_DEADLOCK)	1276	const_iv (LOCK_DEADLOCK)
983	const_iv (LOCK_NOTGRANTED)	1277	const_iv (LOCK_NOTGRANTED)
984	const_iv (RUNRECOVERY)	1278	const_iv (RUNRECOVERY)
985	const_iv (OLD_VERSION)	1279	const_iv (OLD_VERSION)
986	const_iv (REP_HANDLE_DEAD)	1280	const_iv (REP_HANDLE_DEAD)
987	const_iv (REP_LOCKOUT)
988	const_iv (SECONDARY_BAD)	1281	const_iv (SECONDARY_BAD)
989
990	const_iv (FREE_SPACE)
991	const_iv (FREELIST_ONLY)
992		1282
993	const_iv (APPEND)	1283	const_iv (APPEND)
994	const_iv (NODUPDATA)	1284	const_iv (NODUPDATA)
995	const_iv (NOOVERWRITE)	1285	const_iv (NOOVERWRITE)
996		1286
…		…
998	const_iv (TXN_SYNC)	1288	const_iv (TXN_SYNC)
999		1289
1000	const_iv (SET_LOCK_TIMEOUT)	1290	const_iv (SET_LOCK_TIMEOUT)
1001	const_iv (SET_TXN_TIMEOUT)	1291	const_iv (SET_TXN_TIMEOUT)
1002		1292
1003	const_iv (JOIN_ITEM)
1004	const_iv (FIRST)	1293	const_iv (FIRST)
1005	const_iv (NEXT)	1294	const_iv (NEXT)
1006	const_iv (NEXT_DUP)	1295	const_iv (NEXT_DUP)
1007	const_iv (NEXT_NODUP)	1296	const_iv (NEXT_NODUP)
1008	const_iv (PREV)	1297	const_iv (PREV)
…		…
1020	const_iv (FORCE)	1309	const_iv (FORCE)
1021		1310
1022	const_iv (LOCK_DEFAULT)	1311	const_iv (LOCK_DEFAULT)
1023	const_iv (LOCK_EXPIRE)	1312	const_iv (LOCK_EXPIRE)
1024	const_iv (LOCK_MAXLOCKS)	1313	const_iv (LOCK_MAXLOCKS)
1025	const_iv (LOCK_MAXWRITE)
1026	const_iv (LOCK_MINLOCKS)	1314	const_iv (LOCK_MINLOCKS)
1027	const_iv (LOCK_MINWRITE)	1315	const_iv (LOCK_MINWRITE)
1028	const_iv (LOCK_OLDEST)	1316	const_iv (LOCK_OLDEST)
1029	const_iv (LOCK_RANDOM)	1317	const_iv (LOCK_RANDOM)
1030	const_iv (LOCK_YOUNGEST)	1318	const_iv (LOCK_YOUNGEST)
1031		1319
1032	const_iv (SEQ_DEC)
1033	const_iv (SEQ_INC)
1034	const_iv (SEQ_WRAP)
1035
1036	const_iv (BUFFER_SMALL)
1037	const_iv (DONOTINDEX)	1320	const_iv (DONOTINDEX)
1038	const_iv (KEYEMPTY )	1321	const_iv (KEYEMPTY)
1039	const_iv (KEYEXIST )	1322	const_iv (KEYEXIST)
1040	const_iv (LOCK_DEADLOCK)	1323	const_iv (LOCK_DEADLOCK)
1041	const_iv (LOCK_NOTGRANTED)	1324	const_iv (LOCK_NOTGRANTED)
1042	const_iv (LOG_BUFFER_FULL)
1043	const_iv (NOSERVER)	1325	const_iv (NOSERVER)
		1326	#if DBVER < 502
1044	const_iv (NOSERVER_HOME)	1327	const_iv (NOSERVER_HOME)
1045	const_iv (NOSERVER_ID)	1328	const_iv (NOSERVER_ID)
		1329	#endif
1046	const_iv (NOTFOUND)	1330	const_iv (NOTFOUND)
1047	const_iv (OLD_VERSION)
1048	const_iv (PAGE_NOTFOUND)	1331	const_iv (PAGE_NOTFOUND)
1049	const_iv (REP_DUPMASTER)	1332	const_iv (REP_DUPMASTER)
1050	const_iv (REP_HANDLE_DEAD)	1333	const_iv (REP_HANDLE_DEAD)
1051	const_iv (REP_HOLDELECTION)	1334	const_iv (REP_HOLDELECTION)
1052	const_iv (REP_IGNORE)
1053	const_iv (REP_ISPERM)	1335	const_iv (REP_ISPERM)
1054	const_iv (REP_JOIN_FAILURE)
1055	const_iv (REP_LOCKOUT)
1056	const_iv (REP_NEWMASTER)	1336	const_iv (REP_NEWMASTER)
1057	const_iv (REP_NEWSITE)	1337	const_iv (REP_NEWSITE)
1058	const_iv (REP_NOTPERM)	1338	const_iv (REP_NOTPERM)
1059	const_iv (REP_UNAVAIL)	1339	const_iv (REP_UNAVAIL)
1060	const_iv (RUNRECOVERY)	1340	const_iv (RUNRECOVERY)
1061	const_iv (SECONDARY_BAD)	1341	const_iv (SECONDARY_BAD)
1062	const_iv (VERIFY_BAD)	1342	const_iv (VERIFY_BAD)
1063	const_iv (VERSION_MISMATCH)	1343
		1344	const_iv (SALVAGE)
		1345	const_iv (AGGRESSIVE)
		1346	const_iv (PRINTABLE)
		1347	const_iv (NOORDERCHK)
		1348	const_iv (ORDERCHKONLY)
		1349
		1350	const_iv (ARCH_ABS)
		1351	const_iv (ARCH_DATA)
		1352	const_iv (ARCH_LOG)
		1353	const_iv (ARCH_REMOVE)
1064		1354
1065	const_iv (VERB_DEADLOCK)	1355	const_iv (VERB_DEADLOCK)
1066	const_iv (VERB_RECOVERY)	1356	const_iv (VERB_RECOVERY)
1067	const_iv (VERB_REGISTER)
1068	const_iv (VERB_REPLICATION)	1357	const_iv (VERB_REPLICATION)
1069	const_iv (VERB_WAITSFOR)	1358	const_iv (VERB_WAITSFOR)
1070		1359
1071	const_iv (VERSION_MAJOR)	1360	const_iv (VERSION_MAJOR)
1072	const_iv (VERSION_MINOR)	1361	const_iv (VERSION_MINOR)
1073	const_iv (VERSION_PATCH)	1362	const_iv (VERSION_PATCH)
1074	#if DB_VERSION_MINOR >= 5	1363	const_iv (LOGVERSION)
		1364	const_iv (LOGOLDVER)
		1365	#if DBVER >= 403
		1366	const_iv (INORDER)
		1367	const_iv (LOCK_MAXWRITE)
		1368	const_iv (SEQ_DEC)
		1369	const_iv (SEQ_INC)
		1370	const_iv (SEQ_WRAP)
		1371	const_iv (BUFFER_SMALL)
		1372	const_iv (LOG_BUFFER_FULL)
		1373	const_iv (VERSION_MISMATCH)
		1374	#endif
		1375	#if DBVER >= 404
		1376	const_iv (REGISTER)
		1377	const_iv (DSYNC_DB)
		1378	const_iv (READ_COMMITTED)
		1379	const_iv (READ_UNCOMMITTED)
		1380	const_iv (REP_IGNORE)
		1381	const_iv (REP_LOCKOUT)
		1382	const_iv (REP_JOIN_FAILURE)
		1383	const_iv (FREE_SPACE)
		1384	const_iv (FREELIST_ONLY)
		1385	const_iv (VERB_REGISTER)
		1386	#endif
		1387	#if DBVER >= 405
1075	const_iv (MULTIVERSION)	1388	const_iv (MULTIVERSION)
1076	const_iv (TXN_SNAPSHOT)	1389	const_iv (TXN_SNAPSHOT)
1077	#endif	1390	#endif
1078	#if DB_VERSION_MINOR >= 6	1391	#if DBVER >= 406
1079	const_iv (DB_PREV_DUP)	1392	const_iv (PREV_DUP)
		1393	const_iv (PRIORITY_UNCHANGED)
		1394	const_iv (PRIORITY_VERY_LOW)
		1395	const_iv (PRIORITY_LOW)
		1396	const_iv (PRIORITY_DEFAULT)
		1397	const_iv (PRIORITY_HIGH)
		1398	const_iv (PRIORITY_VERY_HIGH)
		1399	const_iv (IGNORE_LEASE)
		1400	#endif
		1401	#if DBVER >= 407
		1402	//const_iv (MULTIPLE_KEY)
		1403	const_iv (LOG_DIRECT)
		1404	const_iv (LOG_DSYNC)
		1405	const_iv (LOG_AUTO_REMOVE)
		1406	const_iv (LOG_IN_MEMORY)
		1407	const_iv (LOG_ZERO)
		1408	#else
		1409	const_iv (DIRECT_LOG)
		1410	const_iv (LOG_AUTOREMOVE)
		1411	# if DBVER >= 403
		1412	const_iv (DSYNC_LOG)
		1413	const_iv (LOG_INMEMORY)
		1414	# endif
		1415	#if DBVER >= 408
		1416	const_iv (LOGVERSION_LATCHING)
		1417	#endif
1080	#endif	1418	#endif
1081	};	1419	};
1082		1420
		1421	bdb_stash = gv_stashpv ("BDB" , 1);
		1422	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1423	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1424	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1425	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1426	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1427
1083	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1428	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ > const_iv; civ--)
1084	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1429	newCONSTSUB (bdb_stash, (char *)civ[-1].name, newSViv (civ[-1].iv));
1085		1430
1086	newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));	1431	prepare_cb = &PL_sv_undef;
		1432
		1433	{
		1434	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1435	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1436
		1437	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1438	}
		1439
1087	newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1440	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1088		1441
1089	create_pipe (respipe);	1442	create_respipe ();
1090		1443
1091	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1444	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1092	#ifdef _WIN32	1445	patch_errno ();
1093	X_MUTEX_CHECK (wrklock);
1094	X_MUTEX_CHECK (reslock);
1095	X_MUTEX_CHECK (reqlock);
1096
1097	X_COND_CHECK (reqwait);
1098	#endif
1099	}	1446	}
1100		1447
1101	void	1448	void
1102	max_poll_reqs (int nreqs)	1449	max_poll_reqs (int nreqs)
1103	PROTOTYPE: $	1450	PROTOTYPE: $
…		…
1176		1523
1177	int	1524	int
1178	poll_fileno ()	1525	poll_fileno ()
1179	PROTOTYPE:	1526	PROTOTYPE:
1180	CODE:	1527	CODE:
1181	RETVAL = respipe [0];	1528	RETVAL = s_epipe_fd (&respipe);
1182	OUTPUT:	1529	OUTPUT:
1183	RETVAL	1530	RETVAL
1184		1531
1185	int	1532	int
1186	poll_cb (...)	1533	poll_cb (...)
…		…
1228	RETVAL = started;	1575	RETVAL = started;
1229	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1576	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1230	OUTPUT:	1577	OUTPUT:
1231	RETVAL	1578	RETVAL
1232		1579
1233	void	1580	SV *
1234	set_sync_prepare (SV *cb)	1581	set_sync_prepare (SV *cb)
1235	PROTOTYPE: &	1582	PROTOTYPE: &
1236	CODE:	1583	CODE:
1237	SvREFCNT_dec (prepare_cb);	1584	RETVAL = prepare_cb;
1238	prepare_cb = newSVsv (cb);	1585	prepare_cb = newSVsv (cb);
		1586	OUTPUT:
		1587	RETVAL
1239		1588
1240	char *	1589	char *
1241	strerror (int errorno = errno)	1590	strerror (int errorno = errno)
1242	PROTOTYPE: ;$	1591	PROTOTYPE: ;$
1243	CODE:	1592	CODE:
1244	RETVAL = db_strerror (errorno);	1593	RETVAL = db_strerror (errorno);
1245	OUTPUT:	1594	OUTPUT:
1246	RETVAL	1595	RETVAL
1247		1596
		1597	void _on_next_submit (SV *cb)
		1598	CODE:
		1599	SvREFCNT_dec (on_next_submit);
		1600	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
		1601
1248	DB_ENV *	1602	DB_ENV *
1249	db_env_create (U32 env_flags = 0)	1603	db_env_create (U32 env_flags = 0)
1250	CODE:	1604	CODE:
1251	{	1605	{
1252	errno = db_env_create (&RETVAL, env_flags);	1606	errno = db_env_create (&RETVAL, env_flags);
…		…
1261	}	1615	}
1262	OUTPUT:	1616	OUTPUT:
1263	RETVAL	1617	RETVAL
1264		1618
1265	void	1619	void
1266	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1620	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1621	PREINIT:
		1622	CALLBACK
1267	CODE:	1623	CODE:
1268	{	1624	{
1269	dREQ (REQ_ENV_OPEN);	1625	dREQ (REQ_ENV_OPEN, 1);
1270
1271	env->set_thread_count (env, wanted + 2);
1272
1273	req->env = env;	1626	req->env = env;
1274	req->uint1 = open_flags \| DB_THREAD;	1627	req->uint1 = open_flags \| DB_THREAD;
1275	req->int1 = mode;	1628	req->int1 = mode;
1276	req->buf1 = strdup_ornull (db_home);	1629	req->buf1 = strdup_ornull (db_home);
1277	REQ_SEND;	1630	REQ_SEND;
1278	}	1631	}
1279		1632
1280	void	1633	void
1281	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1634	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1635	PREINIT:
		1636	CALLBACK
1282	CODE:	1637	CODE:
1283	{	1638	{
1284	dREQ (REQ_ENV_CLOSE);	1639	dREQ (REQ_ENV_CLOSE, 0);
		1640	ptr_nuke (ST (0));
1285	req->env = env;	1641	req->env = env;
1286	req->uint1 = flags;	1642	req->uint1 = flags;
1287	REQ_SEND;	1643	REQ_SEND;
1288	ptr_nuke (ST (0));
1289	}	1644	}
1290		1645
1291	void	1646	void
1292	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1647	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1648	PREINIT:
		1649	CALLBACK
1293	CODE:	1650	CODE:
1294	{	1651	{
1295	dREQ (REQ_ENV_TXN_CHECKPOINT);	1652	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1296	req->env = env;	1653	req->env = env;
1297	req->uint1 = kbyte;	1654	req->uint1 = kbyte;
1298	req->int1 = min;	1655	req->int1 = min;
1299	req->uint2 = flags;	1656	req->uint2 = flags;
1300	REQ_SEND;	1657	REQ_SEND;
1301	}	1658	}
1302		1659
1303	void	1660	void
1304	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1661	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1662	PREINIT:
		1663	CALLBACK
1305	CODE:	1664	CODE:
1306	{	1665	{
1307	dREQ (REQ_ENV_LOCK_DETECT);	1666	dREQ (REQ_ENV_LOCK_DETECT, 1);
1308	req->env = env;	1667	req->env = env;
1309	req->uint1 = flags;	1668	req->uint1 = flags;
1310	req->uint2 = atype;	1669	req->uint2 = atype;
		1670	/* req->int2 = 0; dummy */
1311	REQ_SEND;	1671	REQ_SEND;
1312	}	1672	}
1313		1673
1314	void	1674	void
1315	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1675	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1676	PREINIT:
		1677	CALLBACK
1316	CODE:	1678	CODE:
1317	{	1679	{
1318	dREQ (REQ_ENV_MEMP_SYNC);	1680	dREQ (REQ_ENV_MEMP_SYNC, 1);
1319	req->env = env;	1681	req->env = env;
1320	REQ_SEND;	1682	REQ_SEND;
1321	}	1683	}
1322		1684
1323	void	1685	void
1324	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1686	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1687	PREINIT:
		1688	CALLBACK
1325	CODE:	1689	CODE:
1326	{	1690	{
1327	dREQ (REQ_ENV_MEMP_TRICKLE);	1691	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1328	req->env = env;	1692	req->env = env;
1329	req->int1 = percent;	1693	req->int1 = percent;
1330	REQ_SEND;	1694	REQ_SEND;
1331	}	1695	}
1332		1696
		1697	void
		1698	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1699	PREINIT:
		1700	CALLBACK
		1701	CODE:
		1702	{
		1703	dREQ (REQ_ENV_DBREMOVE, 2);
		1704	req->env = env;
		1705	req->buf1 = strdup_ornull (file);
		1706	req->buf2 = strdup_ornull (database);
		1707	req->uint1 = flags;
		1708	REQ_SEND;
		1709	}
		1710
		1711	void
		1712	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)
		1713	PREINIT:
		1714	CALLBACK
		1715	CODE:
		1716	{
		1717	dREQ (REQ_ENV_DBRENAME, 2);
		1718	req->env = env;
		1719	req->buf1 = strdup_ornull (file);
		1720	req->buf2 = strdup_ornull (database);
		1721	req->buf3 = strdup_ornull (newname);
		1722	req->uint1 = flags;
		1723	REQ_SEND;
		1724	}
		1725
		1726	void
		1727	db_env_lsn_reset (DB_ENV env, bdb_filename db, U32 flags = 0, SV callback = 0)
		1728	ALIAS:
		1729	db_env_fileid_reset = 1
		1730	PREINIT:
		1731	CALLBACK
		1732	CODE:
		1733	{
		1734	dREQ (ix ? REQ_ENV_FILEID_RESET : REQ_ENV_LSN_RESET, 1);
		1735	req->env = env;
		1736	req->uint1 = flags;
		1737	req->buf1 = strdup_ornull (db);
		1738	REQ_SEND;
		1739	}
		1740
		1741	void
		1742	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1743	PREINIT:
		1744	CALLBACK
		1745	CODE:
		1746	{
		1747	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1748	req->sv1 = SvREFCNT_inc (listp);
		1749	req->env = env;
		1750	req->uint1 = flags;
		1751	REQ_SEND;
		1752	}
1333		1753
1334	DB *	1754	DB *
1335	db_create (DB_ENV *env = 0, U32 flags = 0)	1755	db_create (DB_ENV *env = 0, U32 flags = 0)
1336	CODE:	1756	CODE:
1337	{	1757	{
…		…
1344	}	1764	}
1345	OUTPUT:	1765	OUTPUT:
1346	RETVAL	1766	RETVAL
1347		1767
1348	void	1768	void
1349	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1769	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1770	PREINIT:
		1771	CALLBACK
1350	CODE:	1772	CODE:
1351	{	1773	{
1352	dREQ (REQ_DB_OPEN);	1774	dREQ (REQ_DB_OPEN, 2);
1353	req->db = db;	1775	req->db = db;
1354	req->txn = txnid;	1776	req->txn = txnid;
1355	req->buf1 = strdup_ornull (file);	1777	req->buf1 = strdup_ornull (file);
1356	req->buf2 = strdup_ornull (database);	1778	req->buf2 = strdup_ornull (database);
1357	req->int1 = type;	1779	req->int1 = type;
…		…
1359	req->int2 = mode;	1781	req->int2 = mode;
1360	REQ_SEND;	1782	REQ_SEND;
1361	}	1783	}
1362		1784
1363	void	1785	void
1364	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1786	db_close (DB db, U32 flags = 0, SV callback = 0)
		1787	PREINIT:
		1788	CALLBACK
1365	CODE:	1789	CODE:
1366	{	1790	{
1367	dREQ (REQ_DB_CLOSE);	1791	dREQ (REQ_DB_CLOSE, 0);
		1792	ptr_nuke (ST (0));
1368	req->db = db;	1793	req->db = db;
1369	req->uint1 = flags;	1794	req->uint1 = flags;
1370	req->sv1 = (SV *)db->app_private;	1795	req->sv1 = (SV *)db->app_private;
1371	REQ_SEND;	1796	REQ_SEND;
1372	ptr_nuke (ST (0));
1373	}	1797	}
1374		1798
		1799	#if DBVER >= 404
		1800
1375	void	1801	void
1376	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)	1802	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)
		1803	PREINIT:
		1804	CALLBACK
1377	CODE:	1805	CODE:
1378	{	1806	{
1379	dREQ (REQ_DB_COMPACT);	1807	dREQ (REQ_DB_COMPACT, 2);
1380	req->db = db;	1808	req->db = db;
1381	req->txn = txn;	1809	req->txn = txn;
1382	sv_to_dbt (&req->dbt1, start);	1810	if (start) sv_to_dbt (&req->dbt1, start);
1383	sv_to_dbt (&req->dbt2, stop);	1811	if (stop ) sv_to_dbt (&req->dbt2, stop );
1384	req->uint1 = flags;	1812	req->uint1 = flags;
1385	REQ_SEND;	1813	REQ_SEND;
1386	}	1814	}
1387		1815
		1816	#endif
		1817
1388	void	1818	void
1389	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1819	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1820	PREINIT:
		1821	CALLBACK
1390	CODE:	1822	CODE:
1391	{	1823	{
1392	dREQ (REQ_DB_SYNC);	1824	dREQ (REQ_DB_SYNC, 1);
1393	req->db = db;	1825	req->db = db;
1394	req->uint1 = flags;	1826	req->uint1 = flags;
1395	REQ_SEND;	1827	REQ_SEND;
1396	}	1828	}
1397		1829
1398	void	1830	void
		1831	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1832	PREINIT:
		1833	CALLBACK
		1834	CODE:
		1835	{
		1836	dREQ (REQ_DB_VERIFY, 1);
		1837	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1838	req->db = db;
		1839	req->buf1 = strdup (file);
		1840	req->buf2 = strdup_ornull (database);
		1841	req->uint1 = flags;
		1842	REQ_SEND;
		1843	}
		1844
		1845	void
		1846	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1847	PREINIT:
		1848	CALLBACK
		1849	CODE:
		1850	{
		1851	dREQ (REQ_DB_UPGRADE, 1);
		1852	req->db = db;
		1853	req->buf1 = strdup (file);
		1854	req->uint1 = flags;
		1855	REQ_SEND;
		1856	}
		1857
		1858	void
1399	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1859	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1860	PREINIT:
		1861	CALLBACK
1400	CODE:	1862	CODE:
1401	{	1863	{
1402	dREQ (REQ_DB_KEY_RANGE);	1864	dREQ (REQ_DB_KEY_RANGE, 2);
1403	req->db = db;	1865	req->db = db;
1404	req->txn = txn;	1866	req->txn = txn;
1405	sv_to_dbt (&req->dbt1, key);	1867	sv_to_dbt (&req->dbt1, key);
1406	req->uint1 = flags;	1868	req->uint1 = flags;
1407	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1869	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1408	REQ_SEND;	1870	REQ_SEND;
1409	}	1871	}
1410		1872
1411	void	1873	void
1412	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1874	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1875	PREINIT:
		1876	CALLBACK
1413	CODE:	1877	CODE:
1414	{	1878	{
1415	dREQ (REQ_DB_PUT);	1879	dREQ (REQ_DB_PUT, 2);
1416	req->db = db;	1880	req->db = db;
1417	req->txn = txn;	1881	req->txn = txn;
1418	sv_to_dbt (&req->dbt1, key);	1882	sv_to_dbt (&req->dbt1, key);
1419	sv_to_dbt (&req->dbt2, data);	1883	sv_to_dbt (&req->dbt2, data);
1420	req->uint1 = flags;	1884	req->uint1 = flags;
1421	REQ_SEND;	1885	REQ_SEND;
1422	}	1886	}
1423		1887
		1888	#if DBVER >= 406
		1889
1424	void	1890	void
		1891	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1892	PREINIT:
		1893	CALLBACK
		1894	CODE:
		1895	{
		1896	dREQ (REQ_DB_EXISTS, 2);
		1897	req->db = db;
		1898	req->txn = txn;
		1899	req->uint1 = flags;
		1900	sv_to_dbt (&req->dbt1, key);
		1901	REQ_SEND;
		1902	}
		1903
		1904	#endif
		1905
		1906	void
1425	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1907	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1908	PREINIT:
		1909	CALLBACK
1426	CODE:	1910	CODE:
1427	{	1911	{
		1912	//TODO: key is somtimesmutable
1428	dREQ (REQ_DB_GET);	1913	dREQ (REQ_DB_GET, 2);
1429	req->db = db;	1914	req->db = db;
1430	req->txn = txn;	1915	req->txn = txn;
1431	req->uint1 = flags;	1916	req->uint1 = flags;
1432	sv_to_dbt (&req->dbt1, key);	1917	sv_to_dbt (&req->dbt1, key);
1433	req->dbt3.flags = DB_DBT_MALLOC;	1918	req->dbt3.flags = DB_DBT_MALLOC;
1434	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1919	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1435	REQ_SEND;	1920	REQ_SEND;
1436	}	1921	}
1437		1922
1438	void	1923	void
1439	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1924	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1925	PREINIT:
		1926	CALLBACK
1440	CODE:	1927	CODE:
1441	{	1928	{
		1929	//TODO: key is somtimesmutable
1442	dREQ (REQ_DB_PGET);	1930	dREQ (REQ_DB_PGET, 2);
		1931	req->db = db;
		1932	req->txn = txn;
		1933	req->uint1 = flags;
		1934
		1935	sv_to_dbt (&req->dbt1, key);
		1936
		1937	req->dbt2.flags = DB_DBT_MALLOC;
		1938	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1939
		1940	req->dbt3.flags = DB_DBT_MALLOC;
		1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1942	REQ_SEND;
		1943	}
		1944
		1945	void
		1946	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1947	PREINIT:
		1948	CALLBACK
		1949	CODE:
		1950	{
		1951	dREQ (REQ_DB_DEL, 2);
1443	req->db = db;	1952	req->db = db;
1444	req->txn = txn;	1953	req->txn = txn;
1445	req->uint1 = flags;	1954	req->uint1 = flags;
1446	sv_to_dbt (&req->dbt1, key);	1955	sv_to_dbt (&req->dbt1, key);
1447	sv_to_dbt (&req->dbt2, pkey);
1448	req->dbt3.flags = DB_DBT_MALLOC;
1449	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1450	REQ_SEND;	1956	REQ_SEND;
1451	}	1957	}
1452		1958
1453	void	1959	void
1454	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1960	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1961	PREINIT:
		1962	CALLBACK
1455	CODE:	1963	CODE:
1456	{	1964	{
1457	dREQ (REQ_DB_DEL);	1965	dREQ (REQ_TXN_COMMIT, 0);
1458	req->db = db;	1966	ptr_nuke (ST (0));
1459	req->txn = txn;	1967	req->txn = txn;
1460	req->uint1 = flags;	1968	req->uint1 = flags;
1461	sv_to_dbt (&req->dbt1, key);
1462	REQ_SEND;	1969	REQ_SEND;
1463	}	1970	}
1464		1971
1465	void	1972	void
1466	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1973	db_txn_abort (DB_TXN txn, SV callback = 0)
		1974	PREINIT:
		1975	CALLBACK
1467	CODE:	1976	CODE:
1468	{	1977	{
1469	dREQ (REQ_TXN_COMMIT);	1978	dREQ (REQ_TXN_ABORT, 0);
		1979	ptr_nuke (ST (0));
		1980	req->txn = txn;
		1981	REQ_SEND;
		1982	}
		1983
		1984	void
		1985	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1986	PREINIT:
		1987	CALLBACK
		1988	CODE:
		1989	{
		1990	dREQ (REQ_TXN_FINISH, 0);
		1991	ptr_nuke (ST (0));
1470	req->txn = txn;	1992	req->txn = txn;
1471	req->uint1 = flags;	1993	req->uint1 = flags;
1472	REQ_SEND;	1994	REQ_SEND;
		1995	}
		1996
		1997	void
		1998	db_c_close (DBC dbc, SV callback = 0)
		1999	PREINIT:
		2000	CALLBACK
		2001	CODE:
		2002	{
		2003	dREQ (REQ_C_CLOSE, 0);
1473	ptr_nuke (ST (0));	2004	ptr_nuke (ST (0));
1474	}
1475
1476	void
1477	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1478	CODE:
1479	{
1480	dREQ (REQ_TXN_ABORT);
1481	req->txn = txn;
1482	REQ_SEND;
1483	ptr_nuke (ST (0));
1484	}
1485
1486	void
1487	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1488	CODE:
1489	{
1490	dREQ (REQ_C_CLOSE);
1491	req->dbc = dbc;	2005	req->dbc = dbc;
1492	REQ_SEND;	2006	REQ_SEND;
1493	ptr_nuke (ST (0));
1494	}	2007	}
1495		2008
1496	void	2009	void
1497	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	2010	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		2011	PREINIT:
		2012	CALLBACK
1498	CODE:	2013	CODE:
1499	{	2014	{
1500	dREQ (REQ_C_COUNT);	2015	dREQ (REQ_C_COUNT, 1);
1501	req->dbc = dbc;	2016	req->dbc = dbc;
1502	req->sv1 = SvREFCNT_inc (count);	2017	req->sv1 = SvREFCNT_inc (count);
1503	REQ_SEND;	2018	REQ_SEND;
1504	}	2019	}
1505		2020
1506	void	2021	void
1507	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2022	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		2023	PREINIT:
		2024	CALLBACK
1508	CODE:	2025	CODE:
1509	{	2026	{
1510	dREQ (REQ_C_PUT);	2027	dREQ (REQ_C_PUT, 1);
1511	req->dbc = dbc;	2028	req->dbc = dbc;
1512	sv_to_dbt (&req->dbt1, key);	2029	sv_to_dbt (&req->dbt1, key);
1513	sv_to_dbt (&req->dbt2, data);	2030	sv_to_dbt (&req->dbt2, data);
1514	req->uint1 = flags;	2031	req->uint1 = flags;
1515	REQ_SEND;	2032	REQ_SEND;
1516	}	2033	}
1517		2034
1518	void	2035	void
1519	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	2036	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		2037	PREINIT:
		2038	CALLBACK
1520	CODE:	2039	CODE:
1521	{	2040	{
		2041	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2042	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2043	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2044	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2045	"key",
		2046	"BDB::db_c_get");
		2047
		2048	{
1522	dREQ (REQ_C_GET);	2049	dREQ (REQ_C_GET, 1);
		2050	req->dbc = dbc;
		2051	req->uint1 = flags;
		2052	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2053	sv_to_dbt (&req->dbt1, key);
		2054	else
		2055	{
		2056	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2057	sv_to_dbt (&req->dbt1, key);
		2058	else
		2059	req->dbt1.flags = DB_DBT_MALLOC;
		2060
		2061	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2062	}
		2063
		2064	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2065	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2066	sv_to_dbt (&req->dbt3, data);
		2067	else
		2068	req->dbt3.flags = DB_DBT_MALLOC;
		2069
		2070	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2071	REQ_SEND;
		2072	}
		2073	}
		2074
		2075	void
		2076	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		2077	PREINIT:
		2078	CALLBACK
		2079	CODE:
		2080	{
		2081	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2082	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2083	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2084	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2085	"key",
		2086	"BDB::db_c_pget");
		2087
		2088	{
		2089	dREQ (REQ_C_PGET, 1);
		2090	req->dbc = dbc;
		2091	req->uint1 = flags;
		2092	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2093	sv_to_dbt (&req->dbt1, key);
		2094	else
		2095	{
		2096	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2097	sv_to_dbt (&req->dbt1, key);
		2098	else
		2099	req->dbt1.flags = DB_DBT_MALLOC;
		2100
		2101	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2102	}
		2103
		2104	req->dbt2.flags = DB_DBT_MALLOC;
		2105	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2106
		2107	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2108	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2109	sv_to_dbt (&req->dbt3, data);
		2110	else
		2111	req->dbt3.flags = DB_DBT_MALLOC;
		2112
		2113	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2114	REQ_SEND;
		2115	}
		2116	}
		2117
		2118	void
		2119	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2120	PREINIT:
		2121	CALLBACK
		2122	CODE:
		2123	{
		2124	dREQ (REQ_C_DEL, 1);
1523	req->dbc = dbc;	2125	req->dbc = dbc;
1524	req->uint1 = flags;	2126	req->uint1 = flags;
1525	if ((flags & DB_SET) == DB_SET
1526	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1527	sv_to_dbt (&req->dbt1, key);
1528	else
1529	req->dbt1.flags = DB_DBT_MALLOC;
1530
1531	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1532
1533	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1534	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1535	sv_to_dbt (&req->dbt3, data);
1536	else
1537	req->dbt3.flags = DB_DBT_MALLOC;
1538
1539	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1540	REQ_SEND;	2127	REQ_SEND;
1541	}	2128	}
1542		2129
1543	void
1544	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1545	CODE:
1546	{
1547	dREQ (REQ_C_PGET);
1548	req->dbc = dbc;
1549	req->uint1 = flags;
1550	if ((flags & DB_SET) == DB_SET
1551	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1552	sv_to_dbt (&req->dbt1, key);
1553	else
1554	req->dbt1.flags = DB_DBT_MALLOC;
1555		2130
1556	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2131	#if DBVER >= 403
1557		2132
1558	req->dbt2.flags = DB_DBT_MALLOC;
1559	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1560
1561	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1562	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1563	sv_to_dbt (&req->dbt3, data);
1564	else
1565	req->dbt3.flags = DB_DBT_MALLOC;
1566
1567	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1568	REQ_SEND;
1569	}
1570
1571	void	2133	void
1572	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1573	CODE:
1574	{
1575	dREQ (REQ_C_DEL);
1576	req->dbc = dbc;
1577	req->uint1 = flags;
1578	REQ_SEND;
1579	}
1580
1581
1582	void
1583	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	2134	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2135	PREINIT:
		2136	CALLBACK
1584	CODE:	2137	CODE:
1585	{	2138	{
1586	dREQ (REQ_SEQ_OPEN);	2139	dREQ (REQ_SEQ_OPEN, 2);
1587	req->seq = seq;	2140	req->seq = seq;
1588	req->txn = txnid;	2141	req->txn = txnid;
1589	req->uint1 = flags \| DB_THREAD;	2142	req->uint1 = flags \| DB_THREAD;
1590	sv_to_dbt (&req->dbt1, key);	2143	sv_to_dbt (&req->dbt1, key);
1591	REQ_SEND;	2144	REQ_SEND;
1592	}	2145	}
1593		2146
1594	void	2147	void
1595	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2148	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2149	PREINIT:
		2150	CALLBACK
1596	CODE:	2151	CODE:
1597	{	2152	{
1598	dREQ (REQ_SEQ_CLOSE);	2153	dREQ (REQ_SEQ_CLOSE, 0);
		2154	ptr_nuke (ST (0));
1599	req->seq = seq;	2155	req->seq = seq;
1600	req->uint1 = flags;	2156	req->uint1 = flags;
1601	REQ_SEND;	2157	REQ_SEND;
1602	ptr_nuke (ST (0));
1603	}	2158	}
1604		2159
1605	void	2160	void
1606	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)	2161	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2162	PREINIT:
		2163	CALLBACK
1607	CODE:	2164	CODE:
1608	{	2165	{
1609	dREQ (REQ_SEQ_GET);	2166	dREQ (REQ_SEQ_GET, 2);
1610	req->seq = seq;	2167	req->seq = seq;
1611	req->txn = txnid;	2168	req->txn = txnid;
1612	req->int1 = delta;	2169	req->int1 = delta;
1613	req->uint1 = flags;	2170	req->uint1 = flags;
1614	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2171	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1615	REQ_SEND;	2172	REQ_SEND;
1616	}	2173	}
1617		2174
1618	void	2175	void
1619	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2176	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2177	PREINIT:
		2178	CALLBACK
1620	CODE:	2179	CODE:
1621	{	2180	{
1622	dREQ (REQ_SEQ_REMOVE);	2181	dREQ (REQ_SEQ_REMOVE, 2);
1623	req->seq = seq;	2182	req->seq = seq;
1624	req->txn = txnid;	2183	req->txn = txnid;
1625	req->uint1 = flags;	2184	req->uint1 = flags;
1626	REQ_SEND;	2185	REQ_SEND;
1627	}	2186	}
1628		2187
		2188	#endif
		2189
1629		2190
1630	MODULE = BDB PACKAGE = BDB::Env	2191	MODULE = BDB PACKAGE = BDB::Env
1631		2192
1632	void	2193	void
1633	DESTROY (DB_ENV_ornull *env)	2194	DESTROY (DB_ENV_ornuked *env)
1634	CODE:	2195	CODE:
1635	if (env)	2196	if (env)
1636	env->close (env, 0);	2197	env->close (env, 0);
1637		2198
1638	int set_data_dir (DB_ENV env, const char dir)	2199	int set_data_dir (DB_ENV env, const char dir)
…		…
1663	CODE:	2224	CODE:
1664	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2225	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1665	OUTPUT:	2226	OUTPUT:
1666	RETVAL	2227	RETVAL
1667		2228
1668	int set_flags (DB_ENV *env, U32 flags, int onoff)	2229	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1669	CODE:	2230	CODE:
1670	RETVAL = env->set_flags (env, flags, onoff);	2231	RETVAL = env->set_flags (env, flags, onoff);
1671	OUTPUT:	2232	OUTPUT:
1672	RETVAL	2233	RETVAL
1673		2234
		2235	#if DBVER >= 407
		2236
		2237	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2238	CODE:
		2239	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2240	OUTPUT:
		2241	RETVAL
		2242
		2243	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2244	CODE:
		2245	RETVAL = env->log_set_config (env, flags, onoff);
		2246	OUTPUT:
		2247	RETVAL
		2248
		2249	#endif
		2250
		2251
1674	void set_errfile (DB_ENV env, FILE errfile)	2252	void set_errfile (DB_ENV env, FILE errfile = 0)
1675	CODE:	2253	CODE:
1676	env->set_errfile (env, errfile);	2254	env->set_errfile (env, errfile);
1677		2255
1678	void set_msgfile (DB_ENV env, FILE msgfile)	2256	void set_msgfile (DB_ENV env, FILE msgfile = 0)
1679	CODE:	2257	CODE:
1680	env->set_msgfile (env, msgfile);	2258	env->set_msgfile (env, msgfile);
1681		2259
1682	int set_verbose (DB_ENV *env, U32 which, int onoff = 1)	2260	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1683	CODE:	2261	CODE:
1684	RETVAL = env->set_verbose (env, which, onoff);	2262	RETVAL = env->set_verbose (env, which, onoff);
1685	OUTPUT:	2263	OUTPUT:
1686	RETVAL	2264	RETVAL
1687		2265
…		…
1689	CODE:	2267	CODE:
1690	RETVAL = env->set_encrypt (env, password, flags);	2268	RETVAL = env->set_encrypt (env, password, flags);
1691	OUTPUT:	2269	OUTPUT:
1692	RETVAL	2270	RETVAL
1693		2271
1694	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2272	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1695	CODE:	2273	CODE:
1696	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2274	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1697	OUTPUT:	2275	OUTPUT:
1698	RETVAL	2276	RETVAL
1699		2277
…		…
1748	int set_lg_max (DB_ENV *env, U32 max)	2326	int set_lg_max (DB_ENV *env, U32 max)
1749	CODE:	2327	CODE:
1750	RETVAL = env->set_lg_max (env, max);	2328	RETVAL = env->set_lg_max (env, max);
1751	OUTPUT:	2329	OUTPUT:
1752	RETVAL	2330	RETVAL
		2331
		2332	#if DBVER >= 404
		2333
		2334	int mutex_set_max (DB_ENV *env, U32 max)
		2335	CODE:
		2336	RETVAL = env->mutex_set_max (env, max);
		2337	OUTPUT:
		2338	RETVAL
		2339
		2340	int mutex_set_increment (DB_ENV *env, U32 increment)
		2341	CODE:
		2342	RETVAL = env->mutex_set_increment (env, increment);
		2343	OUTPUT:
		2344	RETVAL
		2345
		2346	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2347	CODE:
		2348	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2349	OUTPUT:
		2350	RETVAL
		2351
		2352	int mutex_set_align (DB_ENV *env, U32 align)
		2353	CODE:
		2354	RETVAL = env->mutex_set_align (env, align);
		2355	OUTPUT:
		2356	RETVAL
		2357
		2358	#endif
1753		2359
1754	DB_TXN *	2360	DB_TXN *
1755	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2361	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1756	CODE:	2362	CODE:
1757	errno = env->txn_begin (env, parent, &RETVAL, flags);	2363	errno = env->txn_begin (env, parent, &RETVAL, flags);
1758	if (errno)	2364	if (errno)
1759	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2365	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1760	OUTPUT:	2366	OUTPUT:
1761	RETVAL	2367	RETVAL
1762		2368
		2369	#if DBVER >= 405
		2370
		2371	DB_TXN *
		2372	cdsgroup_begin (DB_ENV *env)
		2373	CODE:
		2374	errno = env->cdsgroup_begin (env, &RETVAL);
		2375	if (errno)
		2376	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2377	OUTPUT:
		2378	RETVAL
		2379
		2380	#endif
		2381
1763	MODULE = BDB PACKAGE = BDB::Db	2382	MODULE = BDB PACKAGE = BDB::Db
1764		2383
1765	void	2384	void
1766	DESTROY (DB_ornull *db)	2385	DESTROY (DB_ornuked *db)
1767	CODE:	2386	CODE:
1768	if (db)	2387	if (db)
1769	{	2388	{
1770	SV env = (SV )db->app_private;	2389	SV env = (SV )db->app_private;
1771	db->close (db, 0);	2390	db->close (db, 0);
…		…
1776	CODE:	2395	CODE:
1777	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2396	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1778	OUTPUT:	2397	OUTPUT:
1779	RETVAL	2398	RETVAL
1780		2399
		2400	int set_pagesize (DB *db, U32 pagesize)
		2401	CODE:
		2402	RETVAL = db->set_pagesize (db, pagesize);
		2403	OUTPUT:
		2404	RETVAL
		2405
1781	int set_flags (DB *db, U32 flags);	2406	int set_flags (DB *db, U32 flags)
1782	CODE:	2407	CODE:
1783	RETVAL = db->set_flags (db, flags);	2408	RETVAL = db->set_flags (db, flags);
1784	OUTPUT:	2409	OUTPUT:
1785	RETVAL	2410	RETVAL
1786		2411
…		…
1800	CODE:	2425	CODE:
1801	RETVAL = db->set_bt_minkey (db, minkey);	2426	RETVAL = db->set_bt_minkey (db, minkey);
1802	OUTPUT:	2427	OUTPUT:
1803	RETVAL	2428	RETVAL
1804		2429
1805	int set_re_delim(DB *db, int delim);	2430	int set_re_delim (DB *db, int delim)
1806	CODE:	2431	CODE:
1807	RETVAL = db->set_re_delim (db, delim);	2432	RETVAL = db->set_re_delim (db, delim);
1808	OUTPUT:	2433	OUTPUT:
1809	RETVAL	2434	RETVAL
1810		2435
…		…
1851	if (errno)	2476	if (errno)
1852	croak ("DB->cursor: %s", db_strerror (errno));	2477	croak ("DB->cursor: %s", db_strerror (errno));
1853	OUTPUT:	2478	OUTPUT:
1854	RETVAL	2479	RETVAL
1855		2480
		2481	#if DBVER >= 403
		2482
1856	DB_SEQUENCE *	2483	DB_SEQUENCE *
1857	sequence (DB *db, U32 flags = 0)	2484	sequence (DB *db, U32 flags = 0)
1858	CODE:	2485	CODE:
1859	{	2486	{
1860	errno = db_sequence_create (&RETVAL, db, flags);	2487	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1862	croak ("db_sequence_create: %s", db_strerror (errno));	2489	croak ("db_sequence_create: %s", db_strerror (errno));
1863	}	2490	}
1864	OUTPUT:	2491	OUTPUT:
1865	RETVAL	2492	RETVAL
1866		2493
		2494	#endif
		2495
1867		2496
1868	MODULE = BDB PACKAGE = BDB::Txn	2497	MODULE = BDB PACKAGE = BDB::Txn
1869		2498
1870	void	2499	void
1871	DESTROY (DB_TXN_ornull *txn)	2500	DESTROY (DB_TXN_ornuked *txn)
1872	CODE:	2501	CODE:
1873	if (txn)	2502	if (txn)
1874	txn->abort (txn);	2503	txn->abort (txn);
1875		2504
1876	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2505	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1877	CODE:	2506	CODE:
1878	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2507	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1879	OUTPUT:	2508	OUTPUT:
1880	RETVAL	2509	RETVAL
1881		2510
		2511	int failed (DB_TXN *txn)
		2512	CODE:
		2513	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2514	OUTPUT:
		2515	RETVAL
		2516
1882		2517
1883	MODULE = BDB PACKAGE = BDB::Cursor	2518	MODULE = BDB PACKAGE = BDB::Cursor
1884		2519
1885	void	2520	void
1886	DESTROY (DBC_ornull *dbc)	2521	DESTROY (DBC_ornuked *dbc)
1887	CODE:	2522	CODE:
1888	if (dbc)	2523	if (dbc)
1889	dbc->c_close (dbc);	2524	dbc->c_close (dbc);
1890		2525
		2526	#if DBVER >= 406
		2527
		2528	int set_priority (DBC *dbc, int priority)
		2529	CODE:
		2530	dbc->set_priority (dbc, priority);
		2531
		2532	#endif
		2533
		2534	#if DBVER >= 403
		2535
1891	MODULE = BDB PACKAGE = BDB::Sequence	2536	MODULE = BDB PACKAGE = BDB::Sequence
1892		2537
1893	void	2538	void
1894	DESTROY (DB_SEQUENCE_ornull *seq)	2539	DESTROY (DB_SEQUENCE_ornuked *seq)
1895	CODE:	2540	CODE:
1896	if (seq)	2541	if (seq)
1897	seq->close (seq, 0);	2542	seq->close (seq, 0);
1898		2543
1899	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2544	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1918	CODE:	2563	CODE:
1919	RETVAL = seq->set_range (seq, min, max);	2564	RETVAL = seq->set_range (seq, min, max);
1920	OUTPUT:	2565	OUTPUT:
1921	RETVAL	2566	RETVAL
1922		2567
		2568	#endif
		2569
		2570

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Comparing BDB/BDB.xs (file contents): Revision 1.15 by root, Mon Aug 13 11:16:22 2007 UTC vs. Revision 1.81 by root, Tue Feb 2 04:28:06 2016 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.15 by root, Mon Aug 13 11:16:22 2007 UTC vs.
Revision 1.81 by root, Tue Feb 2 04:28:06 2016 UTC