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

Comparing BDB/BDB.xs (file contents):
Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs.
Revision 1.64 by root, Wed Nov 12 16:52:51 2008 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	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
		19
9	#include <stddef.h>	20	#include <stddef.h>
10	#include <stdlib.h>	21	#include <stdlib.h>
11	#include <errno.h>	22	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	23	#include <sys/types.h>
14	#include <limits.h>	24	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	25	#include <fcntl.h>
17		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
18	#include <db.h>	32	#include <db.h>
19		33
20	#if DB_VERSION_MAJOR < 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	34	#if DB_VERSION_MAJOR != 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
21	# error you need Berkeley DB 4.5 or newer installed	35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
22	#endif	36	#endif
23		37
24	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
		40
		41	typedef SV SV_mutable;
26		42
27	typedef DB_ENV DB_ENV_ornull;	43	typedef DB_ENV DB_ENV_ornull;
28	typedef DB_TXN DB_TXN_ornull;	44	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	45	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	46	typedef DB DB_ornull;
		47
		48	typedef DB_ENV DB_ENV_ornuked;
		49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		56	#endif
32		57
33	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef char *bdb_filename;
34	typedef char *octetstring;
35		59
36	static SV *prepare_cb;	60	static SV *prepare_cb;
37		61
		62	#if DB_VERSION_MINOR >= 6
		63	# define c_close close
		64	# define c_count count
		65	# define c_del del
		66	# define c_dup dup
		67	# define c_get get
		68	# define c_pget pget
		69	# define c_put put
		70	#endif
		71
38	static inline char *	72	static char *
		73	get_bdb_filename (SV *sv)
		74	{
		75	if (!SvOK (sv))
		76	return 0;
		77
		78	#if _WIN32
		79	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		80	{
		81	STRLEN len;
		82	char *src = SvPVbyte (sv, len);
		83	SV *t1 = sv_newmortal ();
		84	SV *t2 = sv_newmortal ();
		85
		86	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		87	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		88
		89	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		90	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		91	SvPOK_only (t2);
		92	SvPVX (t2)[len] = 0;
		93	SvCUR_set (t2, len);
		94
		95	return SvPVX (t2);
		96	}
		97	#else
		98	return SvPVbyte_nolen (sv);
		99	#endif
		100	}
		101
		102	static void
		103	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		104	{
		105	printf ("err[%s]\n", msg);
		106	}
		107
		108	static void
		109	debug_msgcall (const DB_ENV dbenv, const char msg)
		110	{
		111	printf ("msg[%s]\n", msg);
		112	}
		113
		114	static char *
39	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
40	{	116	{
41	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
42	}	118	}
43		119
44	static inline void	120	static void
45	sv_to_dbt (DBT dbt, SV sv)	121	sv_to_dbt (DBT dbt, SV sv)
46	{	122	{
47	STRLEN len;	123	STRLEN len;
48	char *data = SvPVbyte (sv, len);	124	char *data = SvPVbyte (sv, len);
49		125
51	memcpy (dbt->data, data, len);	127	memcpy (dbt->data, data, len);
52	dbt->size = len;	128	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	129	dbt->flags = DB_DBT_REALLOC;
54	}	130	}
55		131
56	static inline void	132	static void
57	dbt_to_sv (SV sv, DBT dbt)	133	dbt_to_sv (SV sv, DBT dbt)
58	{	134	{
59	if (sv)	135	if (sv)
60	{	136	{
61	SvREADONLY_off (sv);	137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
62	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setpvn_mg (sv, dbt->data, dbt->size);
		141	else
		142	sv_setsv_mg (sv, &PL_sv_undef);
		143
63	SvREFCNT_dec (sv);	144	SvREFCNT_dec (sv);
64	}	145	}
65		146
66	free (dbt->data);	147	free (dbt->data);
67	}	148	}
68		149
69	enum {	150	enum {
70	REQ_QUIT,	151	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	REQ_ENV_LOG_ARCHIVE,
73	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
74	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75	REQ_TXN_COMMIT, REQ_TXN_ABORT,	157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
76	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
77	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	160	};
79		161
80	typedef struct aio_cb	162	typedef struct bdb_cb
81	{	163	{
82	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
83	SV *callback;	165	SV *callback;
84	int type, pri, result;	166	int type, pri, result;
85		167
86	DB_ENV *env;	168	DB_ENV *env;
87	DB *db;	169	DB *db;
…		…
89	DBC *dbc;	171	DBC *dbc;
90		172
91	UV uv1;	173	UV uv1;
92	int int1, int2;	174	int int1, int2;
93	U32 uint1, uint2;	175	U32 uint1, uint2;
94	char buf1, buf2;	176	char buf1, buf2, *buf3;
95	SV sv1, sv2, *sv3;	177	SV sv1, sv2, *sv3;
96		178
97	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
99	DB_SEQUENCE *seq;	182	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	183	db_seq_t seq_t;
101	} aio_cb;	184	#endif
102		185
		186	SV rsv1, rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
103	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
104		190
105	enum {	191	enum {
106	PRI_MIN = -4,	192	PRI_MIN = -4,
107	PRI_MAX = 4,	193	PRI_MAX = 4,
108		194
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	198	};
113		199
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		201
		202	static SV *on_next_submit;
		203
116	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
118		206
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval tv1, struct timeval tv2)	208	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
126	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
127		215
128	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
129		217
130	/* worker threads management */	218	/* worker threads management */
131	static mutex_t wrklock = MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
132		220
133	typedef struct worker {	221	typedef struct worker {
134	/* locked by wrklock */	222	/* locked by wrklock */
135	struct worker prev, next;	223	struct worker prev, next;
136		224
137	thread_t tid;	225	thread_t tid;
138		226
139	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
141	void *dbuf;	229	void *dbuf;
142	DIR *dirp;	230	DIR *dirp;
143	} worker;	231	} worker;
144		232
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	245	}
158		246
159	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		251
164	static mutex_t reslock = MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = COND_INIT;	254	static cond_t reqwait = X_COND_INIT;
167		255
168	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
169		257
170	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
171	{	259	{
172	unsigned int retval;	260	unsigned int retval;
173		261
174	LOCK (reqlock);	262	X_LOCK (reqlock);
175	retval = nready;	263	retval = nready;
176	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
177		265
178	return retval;	266	return retval;
179	}	267	}
180		268
181	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
182	{	270	{
183	unsigned int retval;	271	unsigned int retval;
184		272
185	LOCK (reslock);	273	X_LOCK (reslock);
186	retval = npending;	274	retval = npending;
187	UNLOCK (reslock);	275	X_UNLOCK (reslock);
188		276
189	return retval;	277	return retval;
190	}	278	}
191		279
192	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
193	{	281	{
194	unsigned int retval;	282	unsigned int retval;
195		283
196	LOCK (wrklock);	284	X_LOCK (wrklock);
197	retval = started;	285	retval = started;
198	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
199		287
200	return retval;	288	return retval;
201	}	289	}
202		290
203	#else	291	#else
…		…
212	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
215	*/	303	*/
216	typedef struct {	304	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	306	int size;
219	} reqq;	307	} reqq;
220		308
221	static reqq req_queue;	309	static reqq req_queue;
222	static reqq res_queue;	310	static reqq res_queue;
223		311
224	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
225	{	313	{
226	int pri = req->pri;	314	int pri = req->pri;
227	req->next = 0;	315	req->next = 0;
228		316
229	if (q->qe[pri])	317	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
236		324
237	return q->size++;	325	return q->size++;
238	}	326	}
239		327
240	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
241	{	329	{
242	int pri;	330	int pri;
243		331
244	if (!q->size)	332	if (!q->size)
245	return 0;	333	return 0;
246		334
247	--q->size;	335	--q->size;
248		336
249	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
250	{	338	{
251	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
252		340
253	if (req)	341	if (req)
254	{	342	{
255	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
260	}	348	}
261		349
262	abort ();	350	abort ();
263	}	351	}
264		352
265	static int poll_cb ();	353	static int poll_cb (void);
266	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);
268		355
269	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
270	{	357	{
271	dSP;	358	switch (req->type)
272
273	if (SvOK (req->callback))
274	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	av = (AV )newRV_noinc ((SV )av);
		384
		385	SvREADONLY_off (req->sv1);
		386	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		387	SvREFCNT_dec (av);
		388	SvREFCNT_dec (req->sv1);
		389	}
		390	break;
		391
		392	#if DB_VERSION_MINOR >= 3
		393	case REQ_SEQ_GET:
		394	SvREADONLY_off (req->sv1);
		395
		396	if (sizeof (IV) > 4)
		397	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		398	else
		399	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		400
		401	SvREFCNT_dec (req->sv1);
		402	break;
		403	#endif
		404
		405	case REQ_ENV_LOG_ARCHIVE:
		406	{
		407	AV *av = newAV ();
		408	char listp = (char )req->buf1;
		409
		410	if (listp)
		411	while (*listp)
		412	av_push (av, newSVpv (*listp, 0)), ++listp;
		413
		414	av = (AV )newRV_noinc ((SV )av);
		415
		416	SvREADONLY_off (req->sv1);
		417	sv_setsv_mg (req->sv1, (SV *)av);
		418	SvREFCNT_dec (av);
		419	SvREFCNT_dec (req->sv1);
		420	}
		421	break;
		422	}
		423
		424	errno = req->result;
		425
		426	if (req->callback)
		427	{
		428	dSP;
		429
275	ENTER;	430	ENTER;
276	SAVETMPS;	431	SAVETMPS;
277	PUSHMARK (SP);	432	PUSHMARK (SP);
278		433
279	switch (req->type)
280	{
281	case REQ_DB_CLOSE:
282	SvREFCNT_dec (req->sv1);
283	break;
284
285	case REQ_DB_GET:
286	case REQ_DB_PGET:
287	dbt_to_sv (req->sv3, &req->dbt3);
288	break;
289
290	case REQ_C_GET:
291	case REQ_C_PGET:
292	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);
295	break;
296
297	case REQ_DB_KEY_RANGE:
298	{
299	AV *av = newAV ();
300
301	av_push (av, newSVnv (req->key_range.less));
302	av_push (av, newSVnv (req->key_range.equal));
303	av_push (av, newSVnv (req->key_range.greater));
304
305	SvREADONLY_off (req->sv1);
306	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
307	SvREFCNT_dec (req->sv1);
308	}
309	break;
310
311	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);
313
314	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);
316	else
317	sv_setnv_mg (req->sv1, req->seq_t);
318
319	SvREFCNT_dec (req->sv1);
320	break;
321	}
322
323	errno = req->result;
324
325	PUTBACK;	434	PUTBACK;
326	call_sv (req->callback, G_VOID \| G_EVAL);	435	call_sv (req->callback, G_VOID \| G_EVAL);
327	SPAGAIN;	436	SPAGAIN;
328		437
329	FREETMPS;	438	FREETMPS;
330	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
331	}	442	}
332		443
333	return !SvTRUE (ERRSV);	444	return 1;
334	}	445	}
335		446
336	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
337	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
338	free (req->buf1);	454	free (req->buf1);
339	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
340	Safefree (req);	458	Safefree (req);
341	}	459	}
342		460
343	static void aio_proc (void arg);	461	#ifdef USE_SOCKETS_AS_HANDLES
		462	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		463	#else
		464	# define TO_SOCKET(x) (x)
		465	#endif
		466
		467	static void
		468	create_respipe (void)
		469	{
		470	#ifdef _WIN32
		471	int arg; /* argg */
		472	#endif
		473	int old_readfd = respipe [0];
		474
		475	if (respipe [1] >= 0)
		476	respipe_close (TO_SOCKET (respipe [1]));
		477
		478	#ifdef _WIN32
		479	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		480	#else
		481	if (pipe (respipe))
		482	#endif
		483	croak ("unable to initialize result pipe");
		484
		485	if (old_readfd >= 0)
		486	{
		487	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		488	croak ("unable to initialize result pipe(2)");
		489
		490	respipe_close (respipe [0]);
		491	respipe [0] = old_readfd;
		492	}
		493
		494	#ifdef _WIN32
		495	arg = 1;
		496	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		497	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		498	#else
		499	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		500	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		501	#endif
		502	croak ("unable to initialize result pipe(3)");
		503
		504	respipe_osf [0] = TO_SOCKET (respipe [0]);
		505	respipe_osf [1] = TO_SOCKET (respipe [1]);
		506	}
		507
		508	static void bdb_request (bdb_req req);
		509	X_THREAD_PROC (bdb_proc);
344		510
345	static void start_thread (void)	511	static void start_thread (void)
346	{	512	{
347	worker *wrk = calloc (1, sizeof (worker));	513	worker *wrk = calloc (1, sizeof (worker));
348		514
349	if (!wrk)	515	if (!wrk)
350	croak ("unable to allocate worker thread data");	516	croak ("unable to allocate worker thread data");
351		517
352	LOCK (wrklock);	518	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	519	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	520	{
355	wrk->prev = &wrk_first;	521	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	522	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	523	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	524	wrk_first.next = wrk;
359	++started;	525	++started;
360	}	526	}
361	else	527	else
362	free (wrk);	528	free (wrk);
363		529
364	UNLOCK (wrklock);	530	X_UNLOCK (wrklock);
365	}	531	}
366		532
367	static void maybe_start_thread ()	533	static void maybe_start_thread (void)
368	{	534	{
369	if (get_nthreads () >= wanted)	535	if (get_nthreads () >= wanted)
370	return;	536	return;
371		537
372	/* todo: maybe use idle here, but might be less exact */	538	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	540	return;
375		541
376	start_thread ();	542	start_thread ();
377	}	543	}
378		544
379	static void req_send (aio_req req)	545	static void req_send (bdb_req req)
380	{	546	{
381	SV *wait_callback = 0;	547	SV *wait_callback = 0;
382		548
383	// synthesize callback if none given	549	if (on_next_submit)
384	if (!SvOK (req->callback))
385	{	550	{
386	dSP;	551	dSP;
		552	SV *cb = sv_2mortal (on_next_submit);
		553
		554	on_next_submit = 0;
		555
387	PUSHMARK (SP);	556	PUSHMARK (SP);
388	PUTBACK;	557	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	558	call_sv (cb, G_DISCARD \| G_EVAL);
390	SPAGAIN;	559	SPAGAIN;
391
392	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");
394
395	wait_callback = SvREFCNT_inc (POPs);
396	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);
398	}	560	}
399		561
		562	// synthesize callback if none given
		563	if (!req->callback)
		564	{
		565	if (SvOK (prepare_cb))
		566	{
		567	int count;
		568
		569	dSP;
		570	PUSHMARK (SP);
		571	PUTBACK;
		572	count = call_sv (prepare_cb, G_ARRAY);
		573	SPAGAIN;
		574
		575	if (count != 2)
		576	croak ("sync prepare callback must return exactly two values\n");
		577
		578	wait_callback = POPs;
		579	req->callback = SvREFCNT_inc (POPs);
		580	}
		581	else
		582	{
		583	// execute request synchronously
		584	bdb_request (req);
		585	req_invoke (req);
		586	req_free (req);
		587	return;
		588	}
		589	}
		590
400	++nreqs;	591	++nreqs;
401		592
402	LOCK (reqlock);	593	X_LOCK (reqlock);
403	++nready;	594	++nready;
404	reqq_push (&req_queue, req);	595	reqq_push (&req_queue, req);
405	COND_SIGNAL (reqwait);	596	X_COND_SIGNAL (reqwait);
406	UNLOCK (reqlock);	597	X_UNLOCK (reqlock);
407		598
408	maybe_start_thread ();	599	maybe_start_thread ();
409		600
410	if (wait_callback)	601	if (wait_callback)
411	{	602	{
412	dSP;	603	dSP;
413	PUSHMARK (SP);	604	PUSHMARK (SP);
414	PUTBACK;	605	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	606	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	607	}
418	}	608	}
419		609
420	static void end_thread (void)	610	static void end_thread (void)
421	{	611	{
422	aio_req req;	612	bdb_req req = calloc (1, sizeof (bdb_cb));
423
424	Newz (0, req, 1, aio_cb);
425		613
426	req->type = REQ_QUIT;	614	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	615	req->pri = PRI_MAX + PRI_BIAS;
428		616
429	LOCK (reqlock);	617	X_LOCK (reqlock);
430	reqq_push (&req_queue, req);	618	reqq_push (&req_queue, req);
431	COND_SIGNAL (reqwait);	619	X_COND_SIGNAL (reqwait);
432	UNLOCK (reqlock);	620	X_UNLOCK (reqlock);
433		621
434	LOCK (wrklock);	622	X_LOCK (wrklock);
435	--started;	623	--started;
436	UNLOCK (wrklock);	624	X_UNLOCK (wrklock);
437	}	625	}
438		626
439	static void set_max_idle (int nthreads)	627	static void set_max_idle (int nthreads)
440	{	628	{
441	if (WORDACCESS_UNSAFE) LOCK (reqlock);	629	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442	max_idle = nthreads <= 0 ? 1 : nthreads;	630	max_idle = nthreads <= 0 ? 1 : nthreads;
443	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	631	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444	}	632	}
445		633
446	static void min_parallel (int nthreads)	634	static void min_parallel (int nthreads)
447	{	635	{
448	if (wanted < nthreads)	636	if (wanted < nthreads)
…		…
456		644
457	while (started > wanted)	645	while (started > wanted)
458	end_thread ();	646	end_thread ();
459	}	647	}
460		648
461	static void poll_wait ()	649	static void poll_wait (void)
462	{	650	{
463	fd_set rfd;	651	fd_set rfd;
464		652
465	while (nreqs)	653	while (nreqs)
466	{	654	{
467	int size;	655	int size;
468	if (WORDACCESS_UNSAFE) LOCK (reslock);	656	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469	size = res_queue.size;	657	size = res_queue.size;
470	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	658	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471		659
472	if (size)	660	if (size)
473	return;	661	return;
474		662
475	maybe_start_thread ();	663	maybe_start_thread ();
476		664
477	FD_ZERO(&rfd);	665	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	666	FD_SET (respipe [0], &rfd);
479		667
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	668	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	669	}
482	}	670	}
483		671
484	static int poll_cb ()	672	static int poll_cb (void)
485	{	673	{
486	dSP;	674	dSP;
487	int count = 0;	675	int count = 0;
488	int maxreqs = max_poll_reqs;	676	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	677	int do_croak = 0;
490	struct timeval tv_start, tv_now;	678	struct timeval tv_start, tv_now;
491	aio_req req;	679	bdb_req req;
492		680
493	if (max_poll_time)	681	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	682	gettimeofday (&tv_start, 0);
495		683
496	for (;;)	684	for (;;)
497	{	685	{
498	for (;;)	686	for (;;)
499	{	687	{
500	maybe_start_thread ();	688	maybe_start_thread ();
501		689
502	LOCK (reslock);	690	X_LOCK (reslock);
503	req = reqq_shift (&res_queue);	691	req = reqq_shift (&res_queue);
504		692
505	if (req)	693	if (req)
506	{	694	{
507	--npending;	695	--npending;
508		696
509	if (!res_queue.size)	697	if (!res_queue.size)
510	{	698	{
511	/* read any signals sent by the worker threads */	699	/* read any signals sent by the worker threads */
512	char buf [4];	700	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	701	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	702	;
515	}	703	}
516	}	704	}
517		705
518	UNLOCK (reslock);	706	X_UNLOCK (reslock);
519		707
520	if (!req)	708	if (!req)
521	break;	709	break;
522		710
523	--nreqs;	711	--nreqs;
…		…
553	}	741	}
554		742
555	return count;	743	return count;
556	}	744	}
557		745
558	static void create_pipe ()
559	{
560	if (pipe (respipe))
561	croak ("unable to initialize result pipe");
562
563	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
564	croak ("cannot set result pipe to nonblocking mode");
565
566	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
567	croak ("cannot set result pipe to nonblocking mode");
568	}
569
570	/*****************************************************************************/	746	/*****************************************************************************/
571		747
572	static void aio_proc (void thr_arg)	748	static void
		749	bdb_request (bdb_req req)
573	{	750	{
		751	switch (req->type)
		752	{
		753	case REQ_ENV_OPEN:
		754	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		755	break;
		756
		757	case REQ_ENV_CLOSE:
		758	req->result = req->env->close (req->env, req->uint1);
		759	break;
		760
		761	case REQ_ENV_TXN_CHECKPOINT:
		762	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		763	break;
		764
		765	case REQ_ENV_LOCK_DETECT:
		766	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		767	break;
		768
		769	case REQ_ENV_MEMP_SYNC:
		770	req->result = req->env->memp_sync (req->env, 0);
		771	break;
		772
		773	case REQ_ENV_MEMP_TRICKLE:
		774	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		775	break;
		776
		777	case REQ_ENV_DBREMOVE:
		778	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		779	break;
		780
		781	case REQ_ENV_DBRENAME:
		782	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		783	break;
		784
		785	case REQ_DB_OPEN:
		786	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		787	break;
		788
		789	case REQ_DB_CLOSE:
		790	req->result = req->db->close (req->db, req->uint1);
		791	break;
		792
		793	#if DB_VERSION_MINOR >= 4
		794	case REQ_DB_COMPACT:
		795	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);
		796	break;
		797	#endif
		798
		799	case REQ_DB_SYNC:
		800	req->result = req->db->sync (req->db, req->uint1);
		801	break;
		802
		803	case REQ_DB_UPGRADE:
		804	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		805	break;
		806
		807	case REQ_DB_PUT:
		808	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		809	break;
		810
		811	#if DB_VERSION_MINOR >= 6
		812	case REQ_DB_EXISTS:
		813	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		814	break;
		815	#endif
		816	case REQ_DB_GET:
		817	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		818	break;
		819
		820	case REQ_DB_PGET:
		821	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		822	break;
		823
		824	case REQ_DB_DEL:
		825	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		826	break;
		827
		828	case REQ_DB_KEY_RANGE:
		829	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		830	break;
		831
		832	case REQ_TXN_COMMIT:
		833	req->result = req->txn->commit (req->txn, req->uint1);
		834	break;
		835
		836	case REQ_TXN_ABORT:
		837	req->result = req->txn->abort (req->txn);
		838	break;
		839
		840	case REQ_TXN_FINISH:
		841	if (req->txn->flags & TXN_DEADLOCK)
		842	{
		843	req->result = req->txn->abort (req->txn);
		844	if (!req->result)
		845	req->result = DB_LOCK_DEADLOCK;
		846	}
		847	else
		848	req->result = req->txn->commit (req->txn, req->uint1);
		849	break;
		850
		851	case REQ_C_CLOSE:
		852	req->result = req->dbc->c_close (req->dbc);
		853	break;
		854
		855	case REQ_C_COUNT:
		856	{
		857	db_recno_t recno;
		858	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		859	req->uv1 = recno;
		860	}
		861	break;
		862
		863	case REQ_C_PUT:
		864	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		865	break;
		866
		867	case REQ_C_GET:
		868	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		869	break;
		870
		871	case REQ_C_PGET:
		872	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		873	break;
		874
		875	case REQ_C_DEL:
		876	req->result = req->dbc->c_del (req->dbc, req->uint1);
		877	break;
		878
		879	#if DB_VERSION_MINOR >= 3
		880	case REQ_SEQ_OPEN:
		881	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		882	break;
		883
		884	case REQ_SEQ_CLOSE:
		885	req->result = req->seq->close (req->seq, req->uint1);
		886	break;
		887
		888	case REQ_SEQ_GET:
		889	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		890	break;
		891
		892	case REQ_SEQ_REMOVE:
		893	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		894	break;
		895	#endif
		896
		897	case REQ_ENV_LOG_ARCHIVE:
		898	{
		899	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		900	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		901	req->buf1 = (char *)listp;
		902	}
		903	break;
		904
		905	default:
		906	req->result = ENOSYS;
		907	break;
		908	}
		909
		910	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		911	req->txn->flags \|= TXN_DEADLOCK;
		912	}
		913
		914	X_THREAD_PROC (bdb_proc)
		915	{
574	aio_req req;	916	bdb_req req;
575	struct timespec ts;	917	struct timespec ts;
576	worker self = (worker )thr_arg;	918	worker self = (worker )thr_arg;
577		919
578	/* try to distribute timeouts somewhat evenly */	920	/* try to distribute timeouts somewhat evenly */
579	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	921	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580	* (1000000000UL / 1024UL);
581		922
582	for (;;)	923	for (;;)
583	{	924	{
584	ts.tv_sec = time (0) + IDLE_TIMEOUT;	925	ts.tv_sec = time (0) + IDLE_TIMEOUT;
585		926
586	LOCK (reqlock);	927	X_LOCK (reqlock);
587		928
588	for (;;)	929	for (;;)
589	{	930	{
590	self->req = req = reqq_shift (&req_queue);	931	self->req = req = reqq_shift (&req_queue);
591		932
592	if (req)	933	if (req)
593	break;	934	break;
594		935
595	++idle;	936	++idle;
596		937
597	if (COND_TIMEDWAIT (reqwait, reqlock, ts)	938	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598	== ETIMEDOUT)	939	== ETIMEDOUT)
599	{	940	{
600	if (idle > max_idle)	941	if (idle > max_idle)
601	{	942	{
602	--idle;	943	--idle;
603	UNLOCK (reqlock);	944	X_UNLOCK (reqlock);
604	LOCK (wrklock);	945	X_LOCK (wrklock);
605	--started;	946	--started;
606	UNLOCK (wrklock);	947	X_UNLOCK (wrklock);
607	goto quit;	948	goto quit;
608	}	949	}
609		950
610	/* we are allowed to idle, so do so without any timeout */	951	/* we are allowed to idle, so do so without any timeout */
611	COND_WAIT (reqwait, reqlock);	952	X_COND_WAIT (reqwait, reqlock);
612	ts.tv_sec = time (0) + IDLE_TIMEOUT;	953	ts.tv_sec = time (0) + IDLE_TIMEOUT;
613	}	954	}
614		955
615	--idle;	956	--idle;
616	}	957	}
617		958
618	--nready;	959	--nready;
619		960
620	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
621		962
622	switch (req->type)	963	if (req->type == REQ_QUIT)
623	{	964	{
624	case REQ_QUIT:	965	X_LOCK (reslock);
		966	free (req);
		967	self->req = 0;
		968	X_UNLOCK (reslock);
		969
625	goto quit;	970	goto quit;
626
627	case REQ_ENV_OPEN:
628	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
629	break;
630
631	case REQ_ENV_CLOSE:
632	req->result = req->env->close (req->env, req->uint1);
633	break;
634
635	case REQ_ENV_TXN_CHECKPOINT:
636	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
637	break;
638
639	case REQ_ENV_LOCK_DETECT:
640	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
641	break;
642
643	case REQ_ENV_MEMP_SYNC:
644	req->result = req->env->memp_sync (req->env, 0);
645	break;
646
647	case REQ_ENV_MEMP_TRICKLE:
648	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
649	break;
650
651	case REQ_DB_OPEN:
652	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
653	break;
654
655	case REQ_DB_CLOSE:
656	req->result = req->db->close (req->db, req->uint1);
657	break;
658
659	case REQ_DB_COMPACT:
660	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
661	break;
662
663	case REQ_DB_SYNC:
664	req->result = req->db->sync (req->db, req->uint1);
665	break;
666
667	case REQ_DB_PUT:
668	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
669	break;
670
671	case REQ_DB_GET:
672	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
673	break;
674
675	case REQ_DB_PGET:
676	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
677	break;
678
679	case REQ_DB_DEL:
680	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
681	break;
682
683	case REQ_DB_KEY_RANGE:
684	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
685	break;
686
687	case REQ_TXN_COMMIT:
688	req->result = req->txn->commit (req->txn, req->uint1);
689	break;
690
691	case REQ_TXN_ABORT:
692	req->result = req->txn->abort (req->txn);
693	break;
694
695	case REQ_C_CLOSE:
696	req->result = req->dbc->c_close (req->dbc);
697	break;
698
699	case REQ_C_COUNT:
700	{
701	db_recno_t recno;
702	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
703	req->uv1 = recno;
704	}
705	break;
706
707	case REQ_C_PUT:
708	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
709	break;
710
711	case REQ_C_GET:
712	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
713	break;
714
715	case REQ_C_PGET:
716	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
717	break;
718
719	case REQ_C_DEL:
720	req->result = req->dbc->c_del (req->dbc, req->uint1);
721	break;
722
723	case REQ_SEQ_OPEN:
724	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
725	break;
726
727	case REQ_SEQ_CLOSE:
728	req->result = req->seq->close (req->seq, req->uint1);
729	break;
730
731	case REQ_SEQ_GET:
732	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
733	break;
734
735	case REQ_SEQ_REMOVE:
736	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
737	break;
738
739	default:
740	req->result = ENOSYS;
741	break;
742	}	971	}
743		972
		973	bdb_request (req);
		974
744	LOCK (reslock);	975	X_LOCK (reslock);
745		976
746	++npending;	977	++npending;
747		978
748	if (!reqq_push (&res_queue, req))	979	if (!reqq_push (&res_queue, req))
749	/* write a dummy byte to the pipe so fh becomes ready */	980	/* write a dummy byte to the pipe so fh becomes ready */
750	write (respipe [1], &respipe, 1);	981	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751		982
752	self->req = 0;	983	self->req = 0;
753	worker_clear (self);	984	worker_clear (self);
754		985
755	UNLOCK (reslock);	986	X_UNLOCK (reslock);
756	}	987	}
757		988
758	quit:	989	quit:
759	LOCK (wrklock);	990	X_LOCK (wrklock);
760	worker_free (self);	991	worker_free (self);
761	UNLOCK (wrklock);	992	X_UNLOCK (wrklock);
762		993
763	return 0;	994	return 0;
764	}	995	}
765		996
766	/*****************************************************************************/	997	/*****************************************************************************/
767		998
768	static void atfork_prepare (void)	999	static void atfork_prepare (void)
769	{	1000	{
770	LOCK (wrklock);	1001	X_LOCK (wrklock);
771	LOCK (reqlock);	1002	X_LOCK (reqlock);
772	LOCK (reslock);	1003	X_LOCK (reslock);
773	}	1004	}
774		1005
775	static void atfork_parent (void)	1006	static void atfork_parent (void)
776	{	1007	{
777	UNLOCK (reslock);	1008	X_UNLOCK (reslock);
778	UNLOCK (reqlock);	1009	X_UNLOCK (reqlock);
779	UNLOCK (wrklock);	1010	X_UNLOCK (wrklock);
780	}	1011	}
781		1012
782	static void atfork_child (void)	1013	static void atfork_child (void)
783	{	1014	{
784	aio_req prv;	1015	bdb_req prv;
785		1016
786	while (prv = reqq_shift (&req_queue))	1017	while (prv = reqq_shift (&req_queue))
787	req_free (prv);	1018	req_free (prv);
788		1019
789	while (prv = reqq_shift (&res_queue))	1020	while (prv = reqq_shift (&res_queue))
…		…
804	idle = 0;	1035	idle = 0;
805	nreqs = 0;	1036	nreqs = 0;
806	nready = 0;	1037	nready = 0;
807	npending = 0;	1038	npending = 0;
808		1039
809	close (respipe [0]);
810	close (respipe [1]);
811	create_pipe ();	1040	create_respipe ();
812		1041
813	atfork_parent ();	1042	atfork_parent ();
814	}	1043	}
815		1044
816	#define dREQ(reqtype) \	1045	#define dREQ(reqtype,rsvcnt) \
817	aio_req req; \	1046	bdb_req req; \
818	int req_pri = next_pri; \	1047	int req_pri = next_pri; \
819	next_pri = DEFAULT_PRI + PRI_BIAS; \	1048	next_pri = DEFAULT_PRI + PRI_BIAS; \
820	\	1049	\
821	if (SvOK (callback) && !SvROK (callback)) \	1050	if (callback && SvOK (callback)) \
822	croak ("callback must be undef or of reference type"); \	1051	croak ("callback has illegal type or extra arguments"); \
823	\	1052	\
824	Newz (0, req, 1, aio_cb); \	1053	Newz (0, req, 1, bdb_cb); \
825	if (!req) \	1054	if (!req) \
826	croak ("out of memory during aio_req allocation"); \	1055	croak ("out of memory during bdb_req allocation"); \
827	\	1056	\
828	req->callback = newSVsv (callback); \	1057	req->callback = SvREFCNT_inc (cb); \
829	req->type = (reqtype); \	1058	req->type = (reqtype); \
830	req->pri = req_pri	1059	req->pri = req_pri; \
		1060	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1061	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1062	(void)0;
831		1063
832	#define REQ_SEND \	1064	#define REQ_SEND \
833	req_send (req)	1065	req_send (req)
834		1066
835	#define SvPTR(var, arg, type, class, nullok) \	1067	#define SvPTR(var, arg, type, class, nullok) \
836	if (!SvOK (arg)) \	1068	if (!SvOK (arg)) \
837	{ \	1069	{ \
838	if (!nullok) \	1070	if (nullok != 1) \
839	croak (# var " must be a " # class " object, not undef"); \	1071	croak (# var " must be a " # class " object, not undef"); \
840	\	1072	\
841	(var) = 0; \	1073	(var) = 0; \
842	} \	1074	} \
843	else if (sv_derived_from ((arg), # class)) \	1075	else if (sv_derived_from ((arg), # class)) \
844	{ \	1076	{ \
845	IV tmp = SvIV ((SV*) SvRV (arg)); \	1077	IV tmp = SvIV ((SV*) SvRV (arg)); \
846	(var) = INT2PTR (type, tmp); \	1078	(var) = INT2PTR (type, tmp); \
847	if (!var) \	1079	if (!var && nullok != 2) \
848	croak (# var " is not a valid " # class " object anymore"); \	1080	croak (# var " is not a valid " # class " object anymore"); \
849	} \	1081	} \
850	else \	1082	else \
851	croak (# var " is not of type " # class); \	1083	croak (# var " is not of type " # class);
852	\	1084
		1085	#define ARG_MUTABLE(name) \
		1086	if (SvREADONLY (name)) \
		1087	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
853		1088
854	static void	1089	static void
855	ptr_nuke (SV *sv)	1090	ptr_nuke (SV *sv)
856	{	1091	{
857	assert (SvROK (sv));	1092	assert (SvROK (sv));
858	sv_setiv (SvRV (sv), 0);	1093	sv_setiv (SvRV (sv), 0);
859	}	1094	}
		1095
		1096	static int
		1097	errno_get (pTHX_ SV sv, MAGIC mg)
		1098	{
		1099	if (*mg->mg_ptr == '!') // should always be the case
		1100	if (-30999 <= errno && errno <= -30800)
		1101	{
		1102	sv_setnv (sv, (NV)errno);
		1103	sv_setpv (sv, db_strerror (errno));
		1104	SvNOK_on (sv); /* what a wonderful hack! */
		1105	// ^^^ copied from perl sources
		1106	return 0;
		1107	}
		1108
		1109	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1110	}
		1111
		1112	static MGVTBL vtbl_errno;
		1113
		1114	// this wonderful hack :( patches perl's $! variable to support our errno values
		1115	static void
		1116	patch_errno (void)
		1117	{
		1118	SV *sv;
		1119	MAGIC *mg;
		1120
		1121	if (!(sv = get_sv ("!", 1)))
		1122	return;
		1123
		1124	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1125	return;
		1126
		1127	if (mg->mg_virtual != &PL_vtbl_sv)
		1128	return;
		1129
		1130	vtbl_errno = PL_vtbl_sv;
		1131	vtbl_errno.svt_get = errno_get;
		1132	mg->mg_virtual = &vtbl_errno;
		1133	}
		1134
		1135	#if __GNUC__ >= 4
		1136	# define noinline __attribute__ ((noinline))
		1137	#else
		1138	# define noinline
		1139	#endif
		1140
		1141	static noinline SV *
		1142	pop_callback (I32 ritems, SV sv)
		1143	{
		1144	if (SvROK (sv))
		1145	{
		1146	HV *st;
		1147	GV *gvp;
		1148	CV *cv;
		1149	const char *name;
		1150
		1151	/* forgive me */
		1152	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1153	&& (st = SvSTASH (SvRV (sv)))
		1154	&& (name = HvNAME_get (st))
		1155	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1156	return 0;
		1157
		1158	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1159	{
		1160	--*ritems;
		1161	return (SV *)cv;
		1162	}
		1163	}
		1164
		1165	return 0;
		1166	}
		1167
		1168	/*****************************************************************************/
		1169
		1170	#if 0
		1171	static int
		1172	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1173	{
		1174	ssize_t size1 = dbt1->size;
		1175	ssize_t size2 = dbt2->size;
		1176	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1177	size1 <= size2 ? size1 : size2);
		1178
		1179	if (res)
		1180	return res;
		1181	else if (size1 - size2)
		1182	return size1 - size2;
		1183	else
		1184	return 0;
		1185	}
		1186
		1187	static size_t
		1188	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1189	{
		1190	ssize_t size1 = dbt1->size;
		1191	ssize_t size2 = dbt2->size;
		1192	u_int8_t p1 = (u_int8_t )dbt1->data;
		1193	u_int8_t p2 = (u_int8_t )dbt2->data;
		1194	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1195
		1196	while (p1 < pe)
		1197	if (p1++ != p2++)
		1198	return p1 - (u_int8_t *)dbt1->data - 1;
		1199
		1200	if (size1 < size2) return size1 + 1;
		1201	if (size1 > size2) return size2 + 1;
		1202
		1203	return size1;
		1204	}
		1205	#endif
		1206
		1207	/*****************************************************************************/
		1208
		1209	/* stupid windows defines CALLBACK as well */
		1210	#undef CALLBACK
		1211	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
860		1212
861	MODULE = BDB PACKAGE = BDB	1213	MODULE = BDB PACKAGE = BDB
862		1214
863	PROTOTYPES: ENABLE	1215	PROTOTYPES: ENABLE
864		1216
…		…
880	const_iv (INIT_TXN)	1232	const_iv (INIT_TXN)
881	const_iv (RECOVER)	1233	const_iv (RECOVER)
882	const_iv (INIT_TXN)	1234	const_iv (INIT_TXN)
883	const_iv (RECOVER_FATAL)	1235	const_iv (RECOVER_FATAL)
884	const_iv (CREATE)	1236	const_iv (CREATE)
		1237	const_iv (RDONLY)
885	const_iv (USE_ENVIRON)	1238	const_iv (USE_ENVIRON)
886	const_iv (USE_ENVIRON_ROOT)	1239	const_iv (USE_ENVIRON_ROOT)
887	const_iv (LOCKDOWN)	1240	const_iv (LOCKDOWN)
888	const_iv (PRIVATE)	1241	const_iv (PRIVATE)
889	const_iv (REGISTER)
890	const_iv (SYSTEM_MEM)	1242	const_iv (SYSTEM_MEM)
891	const_iv (AUTO_COMMIT)	1243	const_iv (AUTO_COMMIT)
892	const_iv (CDB_ALLDB)	1244	const_iv (CDB_ALLDB)
893	const_iv (DIRECT_DB)	1245	const_iv (DIRECT_DB)
894	const_iv (DIRECT_LOG)
895	const_iv (DSYNC_DB)
896	const_iv (DSYNC_LOG)
897	const_iv (LOG_AUTOREMOVE)
898	const_iv (LOG_INMEMORY)
899	const_iv (NOLOCKING)	1246	const_iv (NOLOCKING)
900	const_iv (MULTIVERSION)
901	const_iv (NOMMAP)	1247	const_iv (NOMMAP)
902	const_iv (NOPANIC)	1248	const_iv (NOPANIC)
903	const_iv (OVERWRITE)	1249	const_iv (OVERWRITE)
904	const_iv (PANIC_ENVIRONMENT)	1250	const_iv (PANIC_ENVIRONMENT)
905	const_iv (REGION_INIT)	1251	const_iv (REGION_INIT)
906	const_iv (TIME_NOTGRANTED)	1252	const_iv (TIME_NOTGRANTED)
907	const_iv (TXN_NOSYNC)	1253	const_iv (TXN_NOSYNC)
908	const_iv (TXN_SNAPSHOT)	1254	const_iv (TXN_NOT_DURABLE)
909	const_iv (TXN_WRITE_NOSYNC)	1255	const_iv (TXN_WRITE_NOSYNC)
910	const_iv (WRITECURSOR)	1256	const_iv (WRITECURSOR)
911	const_iv (YIELDCPU)	1257	const_iv (YIELDCPU)
912	const_iv (ENCRYPT_AES)	1258	const_iv (ENCRYPT_AES)
913	const_iv (XA_CREATE)	1259	const_iv (XA_CREATE)
…		…
915	const_iv (HASH)	1261	const_iv (HASH)
916	const_iv (QUEUE)	1262	const_iv (QUEUE)
917	const_iv (RECNO)	1263	const_iv (RECNO)
918	const_iv (UNKNOWN)	1264	const_iv (UNKNOWN)
919	const_iv (EXCL)	1265	const_iv (EXCL)
920	const_iv (READ_COMMITTED)
921	const_iv (READ_UNCOMMITTED)
922	const_iv (TRUNCATE)	1266	const_iv (TRUNCATE)
923	const_iv (NOSYNC)	1267	const_iv (NOSYNC)
924	const_iv (CHKSUM)	1268	const_iv (CHKSUM)
925	const_iv (ENCRYPT)	1269	const_iv (ENCRYPT)
926	const_iv (TXN_NOT_DURABLE)
927	const_iv (DUP)	1270	const_iv (DUP)
928	const_iv (DUPSORT)	1271	const_iv (DUPSORT)
929	const_iv (RECNUM)	1272	//const_iv (RECNUM)
930	const_iv (RENUMBER)	1273	const_iv (RENUMBER)
931	const_iv (REVSPLITOFF)	1274	const_iv (REVSPLITOFF)
932	const_iv (INORDER)
933	const_iv (CONSUME)	1275	const_iv (CONSUME)
934	const_iv (CONSUME_WAIT)	1276	const_iv (CONSUME_WAIT)
935	const_iv (GET_BOTH)	1277	const_iv (GET_BOTH)
936	const_iv (GET_BOTH_RANGE)	1278	const_iv (GET_BOTH_RANGE)
937	//const_iv (SET_RECNO)	1279	//const_iv (SET_RECNO)
938	//const_iv (MULTIPLE)	1280	//const_iv (MULTIPLE)
939	const_iv (SNAPSHOT)	1281	const_iv (SNAPSHOT)
940	const_iv (JOIN_ITEM)	1282	const_iv (JOIN_ITEM)
		1283	const_iv (JOIN_NOSORT)
941	const_iv (RMW)	1284	const_iv (RMW)
942		1285
943	const_iv (NOTFOUND)	1286	const_iv (NOTFOUND)
944	const_iv (KEYEMPTY)	1287	const_iv (KEYEMPTY)
945	const_iv (LOCK_DEADLOCK)	1288	const_iv (LOCK_DEADLOCK)
946	const_iv (LOCK_NOTGRANTED)	1289	const_iv (LOCK_NOTGRANTED)
947	const_iv (RUNRECOVERY)	1290	const_iv (RUNRECOVERY)
948	const_iv (OLD_VERSION)	1291	const_iv (OLD_VERSION)
949	const_iv (REP_HANDLE_DEAD)	1292	const_iv (REP_HANDLE_DEAD)
950	const_iv (REP_LOCKOUT)
951	const_iv (SECONDARY_BAD)	1293	const_iv (SECONDARY_BAD)
952
953	const_iv (FREE_SPACE)
954	const_iv (FREELIST_ONLY)
955		1294
956	const_iv (APPEND)	1295	const_iv (APPEND)
957	const_iv (NODUPDATA)	1296	const_iv (NODUPDATA)
958	const_iv (NOOVERWRITE)	1297	const_iv (NOOVERWRITE)
959		1298
960	const_iv (TXN_NOWAIT)	1299	const_iv (TXN_NOWAIT)
961	const_iv (TXN_SNAPSHOT)
962	const_iv (TXN_SYNC)	1300	const_iv (TXN_SYNC)
963		1301
964	const_iv (SET_LOCK_TIMEOUT)	1302	const_iv (SET_LOCK_TIMEOUT)
965	const_iv (SET_TXN_TIMEOUT)	1303	const_iv (SET_TXN_TIMEOUT)
966		1304
967	const_iv (JOIN_ITEM)
968	const_iv (FIRST)	1305	const_iv (FIRST)
969	const_iv (NEXT)	1306	const_iv (NEXT)
970	const_iv (NEXT_DUP)	1307	const_iv (NEXT_DUP)
971	const_iv (NEXT_NODUP)	1308	const_iv (NEXT_NODUP)
972	const_iv (PREV)	1309	const_iv (PREV)
…		…
984	const_iv (FORCE)	1321	const_iv (FORCE)
985		1322
986	const_iv (LOCK_DEFAULT)	1323	const_iv (LOCK_DEFAULT)
987	const_iv (LOCK_EXPIRE)	1324	const_iv (LOCK_EXPIRE)
988	const_iv (LOCK_MAXLOCKS)	1325	const_iv (LOCK_MAXLOCKS)
989	const_iv (LOCK_MAXWRITE)
990	const_iv (LOCK_MINLOCKS)	1326	const_iv (LOCK_MINLOCKS)
991	const_iv (LOCK_MINWRITE)	1327	const_iv (LOCK_MINWRITE)
992	const_iv (LOCK_OLDEST)	1328	const_iv (LOCK_OLDEST)
993	const_iv (LOCK_RANDOM)	1329	const_iv (LOCK_RANDOM)
994	const_iv (LOCK_YOUNGEST)	1330	const_iv (LOCK_YOUNGEST)
995		1331
		1332	const_iv (DONOTINDEX)
		1333	const_iv (KEYEMPTY )
		1334	const_iv (KEYEXIST )
		1335	const_iv (LOCK_DEADLOCK)
		1336	const_iv (LOCK_NOTGRANTED)
		1337	const_iv (NOSERVER)
		1338	const_iv (NOSERVER_HOME)
		1339	const_iv (NOSERVER_ID)
		1340	const_iv (NOTFOUND)
		1341	const_iv (PAGE_NOTFOUND)
		1342	const_iv (REP_DUPMASTER)
		1343	const_iv (REP_HANDLE_DEAD)
		1344	const_iv (REP_HOLDELECTION)
		1345	const_iv (REP_ISPERM)
		1346	const_iv (REP_NEWMASTER)
		1347	const_iv (REP_NEWSITE)
		1348	const_iv (REP_NOTPERM)
		1349	const_iv (REP_UNAVAIL)
		1350	const_iv (RUNRECOVERY)
		1351	const_iv (SECONDARY_BAD)
		1352	const_iv (VERIFY_BAD)
		1353
		1354	const_iv (ARCH_ABS)
		1355	const_iv (ARCH_DATA)
		1356	const_iv (ARCH_LOG)
		1357	const_iv (ARCH_REMOVE)
		1358
		1359	const_iv (VERB_DEADLOCK)
		1360	const_iv (VERB_RECOVERY)
		1361	const_iv (VERB_REPLICATION)
		1362	const_iv (VERB_WAITSFOR)
		1363
		1364	const_iv (VERSION_MAJOR)
		1365	const_iv (VERSION_MINOR)
		1366	const_iv (VERSION_PATCH)
		1367	#if DB_VERSION_MINOR >= 3
		1368	const_iv (INORDER)
		1369	const_iv (LOCK_MAXWRITE)
996	const_iv (SEQ_DEC)	1370	const_iv (SEQ_DEC)
997	const_iv (SEQ_INC)	1371	const_iv (SEQ_INC)
998	const_iv (SEQ_WRAP)	1372	const_iv (SEQ_WRAP)
		1373	const_iv (BUFFER_SMALL)
		1374	const_iv (LOG_BUFFER_FULL)
		1375	const_iv (VERSION_MISMATCH)
		1376	#endif
		1377	#if DB_VERSION_MINOR >= 4
		1378	const_iv (REGISTER)
		1379	const_iv (DSYNC_DB)
		1380	const_iv (READ_COMMITTED)
		1381	const_iv (READ_UNCOMMITTED)
		1382	const_iv (REP_IGNORE)
		1383	const_iv (REP_LOCKOUT)
		1384	const_iv (REP_JOIN_FAILURE)
		1385	const_iv (FREE_SPACE)
		1386	const_iv (FREELIST_ONLY)
		1387	const_iv (VERB_REGISTER)
		1388	#endif
		1389	#if DB_VERSION_MINOR >= 5
		1390	const_iv (MULTIVERSION)
		1391	const_iv (TXN_SNAPSHOT)
		1392	#endif
		1393	#if DB_VERSION_MINOR >= 6
		1394	const_iv (PREV_DUP)
		1395	const_iv (PRIORITY_UNCHANGED)
		1396	const_iv (PRIORITY_VERY_LOW)
		1397	const_iv (PRIORITY_LOW)
		1398	const_iv (PRIORITY_DEFAULT)
		1399	const_iv (PRIORITY_HIGH)
		1400	const_iv (PRIORITY_VERY_HIGH)
		1401	const_iv (IGNORE_LEASE)
		1402	#endif
		1403	#if DB_VERSION_MINOR >= 7
		1404	//const_iv (MULTIPLE_KEY)
		1405	const_iv (LOG_DIRECT)
		1406	const_iv (LOG_DSYNC)
		1407	const_iv (LOG_AUTO_REMOVE)
		1408	const_iv (LOG_IN_MEMORY)
		1409	const_iv (LOG_ZERO)
		1410	#else
		1411	const_iv (DIRECT_LOG)
		1412	const_iv (LOG_AUTOREMOVE)
		1413	# if DB_VERSION_MINOR >= 3
		1414	const_iv (DSYNC_LOG)
		1415	const_iv (LOG_INMEMORY)
		1416	# endif
		1417	#endif
999	};	1418	};
1000		1419
1001	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1420	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1421	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003		1422
1004	create_pipe ();	1423	prepare_cb = &PL_sv_undef;
		1424
		1425	{
		1426	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1427	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1428
		1429	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1430	}
		1431
		1432	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1433
		1434	create_respipe ();
		1435
1005	ATFORK (atfork_prepare, atfork_parent, atfork_child);	1436	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1437	patch_errno ();
1006	}	1438	}
1007		1439
1008	void	1440	void
1009	max_poll_reqs (int nreqs)	1441	max_poll_reqs (int nreqs)
1010	PROTOTYPE: $	1442	PROTOTYPE: $
…		…
1129		1561
1130	int	1562	int
1131	nthreads ()	1563	nthreads ()
1132	PROTOTYPE:	1564	PROTOTYPE:
1133	CODE:	1565	CODE:
1134	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1566	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135	RETVAL = started;	1567	RETVAL = started;
1136	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1568	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137	OUTPUT:	1569	OUTPUT:
1138	RETVAL	1570	RETVAL
1139		1571
1140	void	1572	SV *
1141	set_sync_prepare (SV *cb)	1573	set_sync_prepare (SV *cb)
1142	PROTOTYPE: &	1574	PROTOTYPE: &
1143	CODE:	1575	CODE:
1144	SvREFCNT_dec (prepare_cb);	1576	RETVAL = prepare_cb;
1145	prepare_cb = newSVsv (cb);	1577	prepare_cb = newSVsv (cb);
		1578	OUTPUT:
		1579	RETVAL
1146		1580
		1581	char *
		1582	strerror (int errorno = errno)
		1583	PROTOTYPE: ;$
		1584	CODE:
		1585	RETVAL = db_strerror (errorno);
		1586	OUTPUT:
		1587	RETVAL
		1588
		1589	void _on_next_submit (SV *cb)
		1590	CODE:
		1591	SvREFCNT_dec (on_next_submit);
		1592	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1147		1593
1148	DB_ENV *	1594	DB_ENV *
1149	db_env_create (U32 env_flags = 0)	1595	db_env_create (U32 env_flags = 0)
1150	CODE:	1596	CODE:
1151	{	1597	{
1152	errno = db_env_create (&RETVAL, env_flags);	1598	errno = db_env_create (&RETVAL, env_flags);
1153	if (errno)	1599	if (errno)
1154	croak ("db_env_create: %s", db_strerror (errno));	1600	croak ("db_env_create: %s", db_strerror (errno));
		1601
		1602	if (0)
		1603	{
		1604	RETVAL->set_errcall (RETVAL, debug_errcall);
		1605	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1606	}
1155	}	1607	}
1156	OUTPUT:	1608	OUTPUT:
1157	RETVAL	1609	RETVAL
1158		1610
1159	void	1611	void
1160	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1612	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1613	PREINIT:
		1614	CALLBACK
1161	CODE:	1615	CODE:
1162	{	1616	{
1163	env->set_thread_count (env, get_nthreads ());
1164
1165	dREQ (REQ_ENV_OPEN);	1617	dREQ (REQ_ENV_OPEN, 1);
1166	req->env = env;	1618	req->env = env;
1167	req->uint1 = open_flags \| DB_THREAD;	1619	req->uint1 = open_flags \| DB_THREAD;
1168	req->int1 = mode;	1620	req->int1 = mode;
1169	req->buf1 = strdup_ornull (db_home);	1621	req->buf1 = strdup_ornull (db_home);
1170	REQ_SEND;	1622	REQ_SEND;
1171	}	1623	}
1172		1624
1173	void	1625	void
1174	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1626	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1627	PREINIT:
		1628	CALLBACK
1175	CODE:	1629	CODE:
1176	{	1630	{
1177	dREQ (REQ_ENV_CLOSE);	1631	dREQ (REQ_ENV_CLOSE, 0);
		1632	ptr_nuke (ST (0));
1178	req->env = env;	1633	req->env = env;
1179	req->uint1 = flags;	1634	req->uint1 = flags;
1180	REQ_SEND;	1635	REQ_SEND;
1181	ptr_nuke (ST (0));
1182	}	1636	}
1183		1637
1184	void	1638	void
1185	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1639	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1640	PREINIT:
		1641	CALLBACK
1186	CODE:	1642	CODE:
1187	{	1643	{
1188	dREQ (REQ_ENV_TXN_CHECKPOINT);	1644	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1189	req->env = env;	1645	req->env = env;
1190	req->uint1 = kbyte;	1646	req->uint1 = kbyte;
1191	req->int1 = min;	1647	req->int1 = min;
1192	req->uint2 = flags;	1648	req->uint2 = flags;
1193	REQ_SEND;	1649	REQ_SEND;
1194	}	1650	}
1195		1651
1196	void	1652	void
1197	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1653	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1654	PREINIT:
		1655	CALLBACK
1198	CODE:	1656	CODE:
1199	{	1657	{
1200	dREQ (REQ_ENV_LOCK_DETECT);	1658	dREQ (REQ_ENV_LOCK_DETECT, 1);
1201	req->env = env;	1659	req->env = env;
1202	req->uint1 = flags;	1660	req->uint1 = flags;
1203	req->uint2 = atype;	1661	req->uint2 = atype;
		1662	/* req->int2 = 0; dummy */
1204	REQ_SEND;	1663	REQ_SEND;
1205	}	1664	}
1206		1665
1207	void	1666	void
1208	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1667	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1668	PREINIT:
		1669	CALLBACK
1209	CODE:	1670	CODE:
1210	{	1671	{
1211	dREQ (REQ_ENV_MEMP_SYNC);	1672	dREQ (REQ_ENV_MEMP_SYNC, 1);
1212	req->env = env;	1673	req->env = env;
1213	REQ_SEND;	1674	REQ_SEND;
1214	}	1675	}
1215		1676
1216	void	1677	void
1217	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1678	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1679	PREINIT:
		1680	CALLBACK
1218	CODE:	1681	CODE:
1219	{	1682	{
1220	dREQ (REQ_ENV_MEMP_TRICKLE);	1683	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1221	req->env = env;	1684	req->env = env;
1222	req->int1 = percent;	1685	req->int1 = percent;
1223	REQ_SEND;	1686	REQ_SEND;
1224	}	1687	}
1225		1688
		1689	void
		1690	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
		1693	CODE:
		1694	{
		1695	dREQ (REQ_ENV_DBREMOVE, 2);
		1696	req->env = env;
		1697	req->buf1 = strdup_ornull (file);
		1698	req->buf2 = strdup_ornull (database);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	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)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_ENV_DBRENAME, 2);
		1710	req->env = env;
		1711	req->buf1 = strdup_ornull (file);
		1712	req->buf2 = strdup_ornull (database);
		1713	req->buf3 = strdup_ornull (newname);
		1714	req->uint1 = flags;
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
		1719	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1725	req->sv1 = SvREFCNT_inc (listp);
		1726	req->env = env;
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
1226		1730
1227	DB *	1731	DB *
1228	db_create (DB_ENV *env = 0, U32 flags = 0)	1732	db_create (DB_ENV *env = 0, U32 flags = 0)
1229	CODE:	1733	CODE:
1230	{	1734	{
…		…
1237	}	1741	}
1238	OUTPUT:	1742	OUTPUT:
1239	RETVAL	1743	RETVAL
1240		1744
1241	void	1745	void
1242	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1746	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
1243	CODE:	1749	CODE:
1244	{	1750	{
1245	dREQ (REQ_DB_OPEN);	1751	dREQ (REQ_DB_OPEN, 2);
1246	req->db = db;	1752	req->db = db;
1247	req->txn = txnid;	1753	req->txn = txnid;
1248	req->buf1 = strdup_ornull (file);	1754	req->buf1 = strdup_ornull (file);
1249	req->buf2 = strdup_ornull (database);	1755	req->buf2 = strdup_ornull (database);
1250	req->int1 = type;	1756	req->int1 = type;
…		…
1252	req->int2 = mode;	1758	req->int2 = mode;
1253	REQ_SEND;	1759	REQ_SEND;
1254	}	1760	}
1255		1761
1256	void	1762	void
1257	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1763	db_close (DB db, U32 flags = 0, SV callback = 0)
		1764	PREINIT:
		1765	CALLBACK
1258	CODE:	1766	CODE:
1259	{	1767	{
1260	dREQ (REQ_DB_CLOSE);	1768	dREQ (REQ_DB_CLOSE, 0);
		1769	ptr_nuke (ST (0));
1261	req->db = db;	1770	req->db = db;
1262	req->uint1 = flags;	1771	req->uint1 = flags;
1263	req->sv1 = (SV *)db->app_private;	1772	req->sv1 = (SV *)db->app_private;
1264	REQ_SEND;	1773	REQ_SEND;
1265	ptr_nuke (ST (0));
1266	}	1774	}
1267		1775
		1776	#if DB_VERSION_MINOR >= 4
		1777
1268	void	1778	void
1269	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)	1779	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)
		1780	PREINIT:
		1781	CALLBACK
1270	CODE:	1782	CODE:
1271	{	1783	{
1272	dREQ (REQ_DB_COMPACT);	1784	dREQ (REQ_DB_COMPACT, 2);
1273	req->db = db;	1785	req->db = db;
1274	req->txn = txn;	1786	req->txn = txn;
1275	sv_to_dbt (&req->dbt1, start);	1787	if (start) sv_to_dbt (&req->dbt1, start);
1276	sv_to_dbt (&req->dbt2, stop);	1788	if (stop ) sv_to_dbt (&req->dbt2, stop );
1277	req->uint1 = flags;	1789	req->uint1 = flags;
1278	REQ_SEND;	1790	REQ_SEND;
1279	}	1791	}
1280		1792
		1793	#endif
		1794
1281	void	1795	void
1282	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1796	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1797	PREINIT:
		1798	CALLBACK
1283	CODE:	1799	CODE:
1284	{	1800	{
1285	dREQ (REQ_DB_SYNC);	1801	dREQ (REQ_DB_SYNC, 1);
1286	req->db = db;	1802	req->db = db;
1287	req->uint1 = flags;	1803	req->uint1 = flags;
1288	REQ_SEND;	1804	REQ_SEND;
1289	}	1805	}
1290		1806
1291	void	1807	void
		1808	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1809	PREINIT:
		1810	CALLBACK
		1811	CODE:
		1812	{
		1813	dREQ (REQ_DB_SYNC, 1);
		1814	req->db = db;
		1815	req->buf1 = strdup (file);
		1816	req->uint1 = flags;
		1817	REQ_SEND;
		1818	}
		1819
		1820	void
1292	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1821	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
1293	CODE:	1824	CODE:
1294	{	1825	{
1295	dREQ (REQ_DB_KEY_RANGE);	1826	dREQ (REQ_DB_KEY_RANGE, 2);
1296	req->db = db;	1827	req->db = db;
1297	req->txn = txn;	1828	req->txn = txn;
1298	sv_to_dbt (&req->dbt1, key);	1829	sv_to_dbt (&req->dbt1, key);
1299	req->uint1 = flags;	1830	req->uint1 = flags;
1300	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1831	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1301	REQ_SEND;	1832	REQ_SEND;
1302	}	1833	}
1303		1834
1304	void	1835	void
1305	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1836	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1837	PREINIT:
		1838	CALLBACK
1306	CODE:	1839	CODE:
1307	{	1840	{
1308	dREQ (REQ_DB_PUT);	1841	dREQ (REQ_DB_PUT, 2);
1309	req->db = db;	1842	req->db = db;
1310	req->txn = txn;	1843	req->txn = txn;
1311	sv_to_dbt (&req->dbt1, key);	1844	sv_to_dbt (&req->dbt1, key);
1312	sv_to_dbt (&req->dbt2, data);	1845	sv_to_dbt (&req->dbt2, data);
1313	req->uint1 = flags;	1846	req->uint1 = flags;
1314	REQ_SEND;	1847	REQ_SEND;
1315	}	1848	}
1316		1849
		1850	#if DB_VERSION_MINOR >= 6
		1851
1317	void	1852	void
		1853	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_DB_EXISTS, 2);
		1859	req->db = db;
		1860	req->txn = txn;
		1861	req->uint1 = flags;
		1862	sv_to_dbt (&req->dbt1, key);
		1863	REQ_SEND;
		1864	}
		1865
		1866	#endif
		1867
		1868	void
1318	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1869	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1870	PREINIT:
		1871	CALLBACK
1319	CODE:	1872	CODE:
1320	{	1873	{
		1874	//TODO: key is somtimesmutable
1321	dREQ (REQ_DB_GET);	1875	dREQ (REQ_DB_GET, 2);
1322	req->db = db;	1876	req->db = db;
1323	req->txn = txn;	1877	req->txn = txn;
1324	req->uint1 = flags;	1878	req->uint1 = flags;
1325	sv_to_dbt (&req->dbt1, key);	1879	sv_to_dbt (&req->dbt1, key);
1326	req->dbt3.flags = DB_DBT_MALLOC;	1880	req->dbt3.flags = DB_DBT_MALLOC;
1327	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1881	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1328	REQ_SEND;	1882	REQ_SEND;
1329	}	1883	}
1330		1884
1331	void	1885	void
1332	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1886	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1887	PREINIT:
		1888	CALLBACK
1333	CODE:	1889	CODE:
1334	{	1890	{
		1891	//TODO: key is somtimesmutable
1335	dREQ (REQ_DB_PGET);	1892	dREQ (REQ_DB_PGET, 2);
		1893	req->db = db;
		1894	req->txn = txn;
		1895	req->uint1 = flags;
		1896
		1897	sv_to_dbt (&req->dbt1, key);
		1898
		1899	req->dbt2.flags = DB_DBT_MALLOC;
		1900	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1901
		1902	req->dbt3.flags = DB_DBT_MALLOC;
		1903	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	dREQ (REQ_DB_DEL, 2);
1336	req->db = db;	1914	req->db = db;
1337	req->txn = txn;	1915	req->txn = txn;
1338	req->uint1 = flags;	1916	req->uint1 = flags;
1339	sv_to_dbt (&req->dbt1, key);	1917	sv_to_dbt (&req->dbt1, key);
1340	sv_to_dbt (&req->dbt2, pkey);
1341	req->dbt3.flags = DB_DBT_MALLOC;
1342	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1343	REQ_SEND;	1918	REQ_SEND;
1344	}	1919	}
1345		1920
1346	void	1921	void
1347	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1922	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1923	PREINIT:
		1924	CALLBACK
1348	CODE:	1925	CODE:
1349	{	1926	{
1350	dREQ (REQ_DB_DEL);	1927	dREQ (REQ_TXN_COMMIT, 0);
1351	req->db = db;	1928	ptr_nuke (ST (0));
1352	req->txn = txn;	1929	req->txn = txn;
1353	req->uint1 = flags;	1930	req->uint1 = flags;
1354	sv_to_dbt (&req->dbt1, key);
1355	REQ_SEND;	1931	REQ_SEND;
1356	}	1932	}
1357		1933
1358	void	1934	void
1359	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1935	db_txn_abort (DB_TXN txn, SV callback = 0)
		1936	PREINIT:
		1937	CALLBACK
1360	CODE:	1938	CODE:
1361	{	1939	{
1362	dREQ (REQ_TXN_COMMIT);	1940	dREQ (REQ_TXN_ABORT, 0);
		1941	ptr_nuke (ST (0));
		1942	req->txn = txn;
		1943	REQ_SEND;
		1944	}
		1945
		1946	void
		1947	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1948	PREINIT:
		1949	CALLBACK
		1950	CODE:
		1951	{
		1952	dREQ (REQ_TXN_FINISH, 0);
		1953	ptr_nuke (ST (0));
1363	req->txn = txn;	1954	req->txn = txn;
1364	req->uint1 = flags;	1955	req->uint1 = flags;
1365	REQ_SEND;	1956	REQ_SEND;
		1957	}
		1958
		1959	void
		1960	db_c_close (DBC dbc, SV callback = 0)
		1961	PREINIT:
		1962	CALLBACK
		1963	CODE:
		1964	{
		1965	dREQ (REQ_C_CLOSE, 0);
1366	ptr_nuke (ST (0));	1966	ptr_nuke (ST (0));
1367	}
1368
1369	void
1370	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1371	CODE:
1372	{
1373	dREQ (REQ_TXN_ABORT);
1374	req->txn = txn;
1375	REQ_SEND;
1376	ptr_nuke (ST (0));
1377	}
1378
1379	void
1380	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1381	CODE:
1382	{
1383	dREQ (REQ_C_CLOSE);
1384	req->dbc = dbc;	1967	req->dbc = dbc;
1385	REQ_SEND;	1968	REQ_SEND;
1386	ptr_nuke (ST (0));
1387	}	1969	}
1388		1970
1389	void	1971	void
1390	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	1972	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		1973	PREINIT:
		1974	CALLBACK
1391	CODE:	1975	CODE:
1392	{	1976	{
1393	dREQ (REQ_C_COUNT);	1977	dREQ (REQ_C_COUNT, 1);
1394	req->dbc = dbc;	1978	req->dbc = dbc;
1395	req->sv1 = SvREFCNT_inc (count);	1979	req->sv1 = SvREFCNT_inc (count);
1396	REQ_SEND;	1980	REQ_SEND;
1397	}	1981	}
1398		1982
1399	void	1983	void
1400	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1984	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		1985	PREINIT:
		1986	CALLBACK
1401	CODE:	1987	CODE:
1402	{	1988	{
1403	dREQ (REQ_C_PUT);	1989	dREQ (REQ_C_PUT, 1);
1404	req->dbc = dbc;	1990	req->dbc = dbc;
1405	sv_to_dbt (&req->dbt1, key);	1991	sv_to_dbt (&req->dbt1, key);
1406	sv_to_dbt (&req->dbt2, data);	1992	sv_to_dbt (&req->dbt2, data);
1407	req->uint1 = flags;	1993	req->uint1 = flags;
1408	REQ_SEND;	1994	REQ_SEND;
1409	}	1995	}
1410		1996
1411	void	1997	void
1412	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1998	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		1999	PREINIT:
		2000	CALLBACK
1413	CODE:	2001	CODE:
1414	{	2002	{
		2003	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2004	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2005	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2006	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2007	"key",
		2008	"BDB::db_c_get");
		2009
		2010	{
1415	dREQ (REQ_C_GET);	2011	dREQ (REQ_C_GET, 1);
		2012	req->dbc = dbc;
		2013	req->uint1 = flags;
		2014	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2015	sv_to_dbt (&req->dbt1, key);
		2016	else
		2017	{
		2018	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2019	sv_to_dbt (&req->dbt1, key);
		2020	else
		2021	req->dbt1.flags = DB_DBT_MALLOC;
		2022
		2023	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2024	}
		2025
		2026	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2027	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2028	sv_to_dbt (&req->dbt3, data);
		2029	else
		2030	req->dbt3.flags = DB_DBT_MALLOC;
		2031
		2032	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2033	REQ_SEND;
		2034	}
		2035	}
		2036
		2037	void
		2038	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		2039	PREINIT:
		2040	CALLBACK
		2041	CODE:
		2042	{
		2043	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2044	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2045	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2046	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2047	"key",
		2048	"BDB::db_c_pget");
		2049
		2050	{
		2051	dREQ (REQ_C_PGET, 1);
		2052	req->dbc = dbc;
		2053	req->uint1 = flags;
		2054	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2055	sv_to_dbt (&req->dbt1, key);
		2056	else
		2057	{
		2058	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2059	sv_to_dbt (&req->dbt1, key);
		2060	else
		2061	req->dbt1.flags = DB_DBT_MALLOC;
		2062
		2063	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2064	}
		2065
		2066	req->dbt2.flags = DB_DBT_MALLOC;
		2067	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2068
		2069	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2070	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2071	sv_to_dbt (&req->dbt3, data);
		2072	else
		2073	req->dbt3.flags = DB_DBT_MALLOC;
		2074
		2075	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2076	REQ_SEND;
		2077	}
		2078	}
		2079
		2080	void
		2081	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2082	PREINIT:
		2083	CALLBACK
		2084	CODE:
		2085	{
		2086	dREQ (REQ_C_DEL, 1);
1416	req->dbc = dbc;	2087	req->dbc = dbc;
1417	req->uint1 = flags;	2088	req->uint1 = flags;
1418	if ((flags & DB_SET) == DB_SET
1419	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1420	sv_to_dbt (&req->dbt1, key);
1421	else
1422	req->dbt1.flags = DB_DBT_MALLOC;
1423
1424	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1425
1426	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1427	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1428	sv_to_dbt (&req->dbt3, data);
1429	else
1430	req->dbt3.flags = DB_DBT_MALLOC;
1431
1432	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1433	REQ_SEND;	2089	REQ_SEND;
1434	}	2090	}
1435		2091
1436	void
1437	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1438	CODE:
1439	{
1440	dREQ (REQ_C_PGET);
1441	req->dbc = dbc;
1442	req->uint1 = flags;
1443	if ((flags & DB_SET) == DB_SET
1444	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1445	sv_to_dbt (&req->dbt1, key);
1446	else
1447	req->dbt1.flags = DB_DBT_MALLOC;
1448		2092
1449	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2093	#if DB_VERSION_MINOR >= 3
1450		2094
1451	req->dbt2.flags = DB_DBT_MALLOC;
1452	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1453
1454	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1455	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1456	sv_to_dbt (&req->dbt3, data);
1457	else
1458	req->dbt3.flags = DB_DBT_MALLOC;
1459
1460	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1461	REQ_SEND;
1462	}
1463
1464	void	2095	void
1465	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1466	CODE:
1467	{
1468	dREQ (REQ_C_DEL);
1469	req->dbc = dbc;
1470	req->uint1 = flags;
1471	REQ_SEND;
1472	}
1473
1474
1475	void
1476	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	2096	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2097	PREINIT:
		2098	CALLBACK
1477	CODE:	2099	CODE:
1478	{	2100	{
1479	dREQ (REQ_SEQ_OPEN);	2101	dREQ (REQ_SEQ_OPEN, 2);
1480	req->seq = seq;	2102	req->seq = seq;
1481	req->txn = txnid;	2103	req->txn = txnid;
1482	req->uint1 = flags \| DB_THREAD;	2104	req->uint1 = flags \| DB_THREAD;
1483	sv_to_dbt (&req->dbt1, key);	2105	sv_to_dbt (&req->dbt1, key);
1484	REQ_SEND;	2106	REQ_SEND;
1485	}	2107	}
1486		2108
1487	void	2109	void
1488	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2110	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2111	PREINIT:
		2112	CALLBACK
1489	CODE:	2113	CODE:
1490	{	2114	{
1491	dREQ (REQ_SEQ_CLOSE);	2115	dREQ (REQ_SEQ_CLOSE, 0);
		2116	ptr_nuke (ST (0));
1492	req->seq = seq;	2117	req->seq = seq;
1493	req->uint1 = flags;	2118	req->uint1 = flags;
1494	REQ_SEND;	2119	REQ_SEND;
1495	ptr_nuke (ST (0));
1496	}	2120	}
1497		2121
1498	void	2122	void
1499	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)	2123	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2124	PREINIT:
		2125	CALLBACK
1500	CODE:	2126	CODE:
1501	{	2127	{
1502	dREQ (REQ_SEQ_GET);	2128	dREQ (REQ_SEQ_GET, 2);
1503	req->seq = seq;	2129	req->seq = seq;
1504	req->txn = txnid;	2130	req->txn = txnid;
1505	req->int1 = delta;	2131	req->int1 = delta;
1506	req->uint1 = flags;	2132	req->uint1 = flags;
1507	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2133	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1508	REQ_SEND;	2134	REQ_SEND;
1509	}	2135	}
1510		2136
1511	void	2137	void
1512	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2138	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2139	PREINIT:
		2140	CALLBACK
1513	CODE:	2141	CODE:
1514	{	2142	{
1515	dREQ (REQ_SEQ_REMOVE);	2143	dREQ (REQ_SEQ_REMOVE, 2);
1516	req->seq = seq;	2144	req->seq = seq;
1517	req->txn = txnid;	2145	req->txn = txnid;
1518	req->uint1 = flags;	2146	req->uint1 = flags;
1519	REQ_SEND;	2147	REQ_SEND;
1520	}	2148	}
1521		2149
		2150	#endif
		2151
1522		2152
1523	MODULE = BDB PACKAGE = BDB::Env	2153	MODULE = BDB PACKAGE = BDB::Env
1524		2154
1525	void	2155	void
1526	DESTROY (DB_ENV_ornull *env)	2156	DESTROY (DB_ENV_ornuked *env)
1527	CODE:	2157	CODE:
1528	if (env)	2158	if (env)
1529	env->close (env, 0);	2159	env->close (env, 0);
1530		2160
1531	int set_data_dir (DB_ENV env, const char dir)	2161	int set_data_dir (DB_ENV env, const char dir)
…		…
1556	CODE:	2186	CODE:
1557	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2187	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1558	OUTPUT:	2188	OUTPUT:
1559	RETVAL	2189	RETVAL
1560		2190
1561	int set_flags (DB_ENV *env, U32 flags, int onoff)	2191	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1562	CODE:	2192	CODE:
1563	RETVAL = env->set_flags (env, flags, onoff);	2193	RETVAL = env->set_flags (env, flags, onoff);
1564	OUTPUT:	2194	OUTPUT:
1565	RETVAL	2195	RETVAL
1566		2196
		2197	#if DB_VERSION_MINOR >= 7
		2198
		2199	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2200	CODE:
		2201	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2206	CODE:
		2207	RETVAL = env->log_set_config (env, flags, onoff);
		2208	OUTPUT:
		2209	RETVAL
		2210
		2211	#endif
		2212
		2213
		2214	void set_errfile (DB_ENV env, FILE errfile = 0)
		2215	CODE:
		2216	env->set_errfile (env, errfile);
		2217
		2218	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		2219	CODE:
		2220	env->set_msgfile (env, msgfile);
		2221
		2222	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2223	CODE:
		2224	RETVAL = env->set_verbose (env, which, onoff);
		2225	OUTPUT:
		2226	RETVAL
		2227
1567	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	2228	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1568	CODE:	2229	CODE:
1569	RETVAL = env->set_encrypt (env, password, flags);	2230	RETVAL = env->set_encrypt (env, password, flags);
1570	OUTPUT:	2231	OUTPUT:
1571	RETVAL	2232	RETVAL
1572		2233
1573	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2234	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1574	CODE:	2235	CODE:
1575	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2236	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1576	OUTPUT:	2237	OUTPUT:
1577	RETVAL	2238	RETVAL
1578		2239
…		…
1627	int set_lg_max (DB_ENV *env, U32 max)	2288	int set_lg_max (DB_ENV *env, U32 max)
1628	CODE:	2289	CODE:
1629	RETVAL = env->set_lg_max (env, max);	2290	RETVAL = env->set_lg_max (env, max);
1630	OUTPUT:	2291	OUTPUT:
1631	RETVAL	2292	RETVAL
		2293
		2294	#if DB_VERSION_MINOR >= 4
		2295
		2296	int mutex_set_max (DB_ENV *env, U32 max)
		2297	CODE:
		2298	RETVAL = env->mutex_set_max (env, max);
		2299	OUTPUT:
		2300	RETVAL
		2301
		2302	int mutex_set_increment (DB_ENV *env, U32 increment)
		2303	CODE:
		2304	RETVAL = env->mutex_set_increment (env, increment);
		2305	OUTPUT:
		2306	RETVAL
		2307
		2308	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2309	CODE:
		2310	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2311	OUTPUT:
		2312	RETVAL
		2313
		2314	int mutex_set_align (DB_ENV *env, U32 align)
		2315	CODE:
		2316	RETVAL = env->mutex_set_align (env, align);
		2317	OUTPUT:
		2318	RETVAL
		2319
		2320	#endif
1632		2321
1633	DB_TXN *	2322	DB_TXN *
1634	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2323	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1635	CODE:	2324	CODE:
1636	errno = env->txn_begin (env, parent, &RETVAL, flags);	2325	errno = env->txn_begin (env, parent, &RETVAL, flags);
1637	if (errno)	2326	if (errno)
1638	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2327	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1639	OUTPUT:	2328	OUTPUT:
1640	RETVAL	2329	RETVAL
1641		2330
		2331	#if DB_VERSION_MINOR >= 5
		2332
		2333	DB_TXN *
		2334	cdsgroup_begin (DB_ENV *env)
		2335	CODE:
		2336	errno = env->cdsgroup_begin (env, &RETVAL);
		2337	if (errno)
		2338	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2339	OUTPUT:
		2340	RETVAL
		2341
		2342	#endif
		2343
1642	MODULE = BDB PACKAGE = BDB::Db	2344	MODULE = BDB PACKAGE = BDB::Db
1643		2345
1644	void	2346	void
1645	DESTROY (DB_ornull *db)	2347	DESTROY (DB_ornuked *db)
1646	CODE:	2348	CODE:
1647	if (db)	2349	if (db)
1648	{	2350	{
1649	SV env = (SV )db->app_private;	2351	SV env = (SV )db->app_private;
1650	db->close (db, 0);	2352	db->close (db, 0);
…		…
1655	CODE:	2357	CODE:
1656	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2358	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1657	OUTPUT:	2359	OUTPUT:
1658	RETVAL	2360	RETVAL
1659		2361
		2362	int set_pagesize (DB *db, U32 pagesize)
		2363	CODE:
		2364	RETVAL = db->set_pagesize (db, pagesize);
		2365	OUTPUT:
		2366	RETVAL
		2367
1660	int set_flags (DB *db, U32 flags);	2368	int set_flags (DB *db, U32 flags)
1661	CODE:	2369	CODE:
1662	RETVAL = db->set_flags (db, flags);	2370	RETVAL = db->set_flags (db, flags);
1663	OUTPUT:	2371	OUTPUT:
1664	RETVAL	2372	RETVAL
1665		2373
…		…
1679	CODE:	2387	CODE:
1680	RETVAL = db->set_bt_minkey (db, minkey);	2388	RETVAL = db->set_bt_minkey (db, minkey);
1681	OUTPUT:	2389	OUTPUT:
1682	RETVAL	2390	RETVAL
1683		2391
1684	int set_re_delim(DB *db, int delim);	2392	int set_re_delim (DB *db, int delim)
1685	CODE:	2393	CODE:
1686	RETVAL = db->set_re_delim (db, delim);	2394	RETVAL = db->set_re_delim (db, delim);
1687	OUTPUT:	2395	OUTPUT:
1688	RETVAL	2396	RETVAL
1689		2397
…		…
1730	if (errno)	2438	if (errno)
1731	croak ("DB->cursor: %s", db_strerror (errno));	2439	croak ("DB->cursor: %s", db_strerror (errno));
1732	OUTPUT:	2440	OUTPUT:
1733	RETVAL	2441	RETVAL
1734		2442
		2443	#if DB_VERSION_MINOR >= 3
		2444
1735	DB_SEQUENCE *	2445	DB_SEQUENCE *
1736	sequence (DB *db, U32 flags = 0)	2446	sequence (DB *db, U32 flags = 0)
1737	CODE:	2447	CODE:
1738	{	2448	{
1739	errno = db_sequence_create (&RETVAL, db, flags);	2449	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1741	croak ("db_sequence_create: %s", db_strerror (errno));	2451	croak ("db_sequence_create: %s", db_strerror (errno));
1742	}	2452	}
1743	OUTPUT:	2453	OUTPUT:
1744	RETVAL	2454	RETVAL
1745		2455
		2456	#endif
		2457
1746		2458
1747	MODULE = BDB PACKAGE = BDB::Txn	2459	MODULE = BDB PACKAGE = BDB::Txn
1748		2460
1749	void	2461	void
1750	DESTROY (DB_TXN_ornull *txn)	2462	DESTROY (DB_TXN_ornuked *txn)
1751	CODE:	2463	CODE:
1752	if (txn)	2464	if (txn)
1753	txn->abort (txn);	2465	txn->abort (txn);
1754		2466
1755	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2467	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1756	CODE:	2468	CODE:
1757	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2469	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1758	OUTPUT:	2470	OUTPUT:
1759	RETVAL	2471	RETVAL
1760		2472
		2473	int failed (DB_TXN *txn)
		2474	CODE:
		2475	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2476	OUTPUT:
		2477	RETVAL
		2478
1761		2479
1762	MODULE = BDB PACKAGE = BDB::Cursor	2480	MODULE = BDB PACKAGE = BDB::Cursor
1763		2481
1764	void	2482	void
1765	DESTROY (DBC_ornull *dbc)	2483	DESTROY (DBC_ornuked *dbc)
1766	CODE:	2484	CODE:
1767	if (dbc)	2485	if (dbc)
1768	dbc->c_close (dbc);	2486	dbc->c_close (dbc);
1769		2487
		2488	#if DB_VERSION_MINOR >= 6
		2489
		2490	int set_priority (DBC *dbc, int priority)
		2491	CODE:
		2492	dbc->set_priority (dbc, priority);
		2493
		2494	#endif
		2495
		2496	#if DB_VERSION_MINOR >= 3
		2497
1770	MODULE = BDB PACKAGE = BDB::Sequence	2498	MODULE = BDB PACKAGE = BDB::Sequence
1771		2499
1772	void	2500	void
1773	DESTROY (DB_SEQUENCE_ornull *seq)	2501	DESTROY (DB_SEQUENCE_ornuked *seq)
1774	CODE:	2502	CODE:
1775	if (seq)	2503	if (seq)
1776	seq->close (seq, 0);	2504	seq->close (seq, 0);
1777		2505
1778	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2506	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1797	CODE:	2525	CODE:
1798	RETVAL = seq->set_range (seq, min, max);	2526	RETVAL = seq->set_range (seq, min, max);
1799	OUTPUT:	2527	OUTPUT:
1800	RETVAL	2528	RETVAL
1801		2529
		2530	#endif
		2531
		2532

Diff Legend

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

Comparing BDB/BDB.xs (file contents): Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs. Revision 1.64 by root, Wed Nov 12 16:52:51 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs.
Revision 1.64 by root, Wed Nov 12 16:52:51 2008 UTC