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Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.53 by root, Thu Sep 25 22:09:02 2008 UTC

1	/* solaris */	1	#include <sys/user.h>
2	#define _POSIX_PTHREAD_SEMANTICS 1	2	#include <sys/ptrace.h>
3		3
4	#if __linux && !defined(_GNU_SOURCE)	4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5	# define _GNU_SOURCE
6	#endif
7		5
8	/* just in case */	6	#include "xthread.h"
9	#define _REENTRANT 1
10		7
11	#include <errno.h>	8	#include <errno.h>
12		9
13	#include "EXTERN.h"	10	#include "EXTERN.h"
14	#include "perl.h"	11	#include "perl.h"
15	#include "XSUB.h"	12	#include "XSUB.h"
16		13
17	#include <pthread.h>	14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
18		22
19	#include <stddef.h>	23	#include <stddef.h>
20	#include <stdlib.h>	24	#include <stdlib.h>
21	#include <errno.h>	25	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	26	#include <sys/types.h>
24	#include <limits.h>	27	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	28	#include <fcntl.h>
27		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
28	#include <db.h>	35	#include <db.h>
29		36
30	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
31	# error you need Berkeley DB 4.5 or newer installed	38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
32	#endif	39	#endif
33		40
34	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
35	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
36
37	/* wether word reads are potentially non-atomic.
38	* this is conservatice, likely most arches this runs
39	* on have atomic word read/writes.
40	*/
41	#ifndef WORDACCESS_UNSAFE
42	# if __i386 || __x86_64
43	# define WORDACCESS_UNSAFE 0
44	# else
45	# define WORDACCESS_UNSAFE 1
46	# endif
47	#endif
48		43
49	typedef DB_ENV DB_ENV_ornull;	44	typedef DB_ENV DB_ENV_ornull;
50	typedef DB_TXN DB_TXN_ornull;	45	typedef DB_TXN DB_TXN_ornull;
51	typedef DBC DBC_ornull;	46	typedef DBC DBC_ornull;
52	typedef DB DB_ornull;	47	typedef DB DB_ornull;
		48
		49	typedef DB_ENV DB_ENV_ornuked;
		50	typedef DB_TXN DB_TXN_ornuked;
		51	typedef DBC DBC_ornuked;
		52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
53	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		57	#endif
54		58
55	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
56	typedef char *octetstring;	60	typedef char *bdb_filename;
57		61
58	static SV *prepare_cb;	62	static SV *prepare_cb;
59		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
60	static inline char *	74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
61	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
62	{	118	{
63	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
64	}	120	}
65		121
66	static inline void	122	static void
67	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
68	{	124	{
69	STRLEN len;	125	STRLEN len;
70	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
71		127
…		…
73	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
74	dbt->size = len;	130	dbt->size = len;
75	dbt->flags = DB_DBT_REALLOC;	131	dbt->flags = DB_DBT_REALLOC;
76	}	132	}
77		133
78	static inline void	134	static void
79	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
80	{	136	{
81	if (sv)	137	if (sv)
82	{	138	{
83	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
84	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
85	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
86	}	142	}
87		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
88	free (dbt->data);	145	free (dbt->data);
89	}	146	}
90		147
91	enum {	148	enum {
92	REQ_QUIT,	149	REQ_QUIT,
93	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
94	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
95	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
96	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
98	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
99	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100	};	157	};
101		158
102	typedef struct aio_cb	159	typedef struct bdb_cb
103	{	160	{
104	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
105	SV *callback;	162	SV *callback;
106	int type, pri, result;	163	int type, pri, result;
107		164
108	DB_ENV *env;	165	DB_ENV *env;
109	DB *db;	166	DB *db;
…		…
111	DBC *dbc;	168	DBC *dbc;
112		169
113	UV uv1;	170	UV uv1;
114	int int1, int2;	171	int int1, int2;
115	U32 uint1, uint2;	172	U32 uint1, uint2;
116	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
117	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
118		175
119	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
120	DB_KEY_RANGE key_range;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
121	DB_SEQUENCE *seq;	179	DB_SEQUENCE *seq;
122	db_seq_t seq_t;	180	db_seq_t seq_t;
123	} aio_cb;	181	#endif
124		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
125	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
126		187
127	enum {	188	enum {
128	PRI_MIN = -4,	189	PRI_MIN = -4,
129	PRI_MAX = 4,	190	PRI_MAX = 4,
130		191
…		…
133	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
134	};	195	};
135		196
136	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
137		198
		199	static SV *on_next_submit;
		200
138	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
139	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
140		203
141	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
142	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
147		210
148	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
149		212
150	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
151		214
152	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
153	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
154	#else
155	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
156	#endif
157
158	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
159	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
160
161	/* worker threads management */	215	/* worker threads management */
162	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
163		217
164	typedef struct worker {	218	typedef struct worker {
165	/* locked by wrklock */	219	/* locked by wrklock */
166	struct worker *prev, *next;	220	struct worker *prev, *next;
167		221
168	pthread_t tid;	222	thread_t tid;
169		223
170	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
171	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
172	void *dbuf;	226	void *dbuf;
173	DIR *dirp;	227	DIR *dirp;
174	} worker;	228	} worker;
175		229
176	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
188	}	242	}
189		243
190	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
191	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
192	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
193	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
194		248
195	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
196	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
197	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
198		252
199	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
200		254
201	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
202	{	256	{
203	unsigned int retval;	257	unsigned int retval;
204		258
205	LOCK (reqlock);	259	X_LOCK (reqlock);
206	retval = nready;	260	retval = nready;
207	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
208		262
209	return retval;	263	return retval;
210	}	264	}
211		265
212	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
213	{	267	{
214	unsigned int retval;	268	unsigned int retval;
215		269
216	LOCK (reslock);	270	X_LOCK (reslock);
217	retval = npending;	271	retval = npending;
218	UNLOCK (reslock);	272	X_UNLOCK (reslock);
219		273
220	return retval;	274	return retval;
221	}	275	}
222		276
223	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
224	{	278	{
225	unsigned int retval;	279	unsigned int retval;
226		280
227	LOCK (wrklock);	281	X_LOCK (wrklock);
228	retval = started;	282	retval = started;
229	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
230		284
231	return retval;	285	return retval;
232	}	286	}
233		287
234	#else	288	#else
…		…
243	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
244	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
245	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
246	*/	300	*/
247	typedef struct {	301	typedef struct {
248	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249	int size;	303	int size;
250	} reqq;	304	} reqq;
251		305
252	static reqq req_queue;	306	static reqq req_queue;
253	static reqq res_queue;	307	static reqq res_queue;
254		308
255	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
256	{	310	{
257	int pri = req->pri;	311	int pri = req->pri;
258	req->next = 0;	312	req->next = 0;
259		313
260	if (q->qe[pri])	314	if (q->qe[pri])
…		…
266	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
267		321
268	return q->size++;	322	return q->size++;
269	}	323	}
270		324
271	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
272	{	326	{
273	int pri;	327	int pri;
274		328
275	if (!q->size)	329	if (!q->size)
276	return 0;	330	return 0;
277		331
278	--q->size;	332	--q->size;
279		333
280	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
281	{	335	{
282	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
283		337
284	if (req)	338	if (req)
285	{	339	{
286	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
287	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
291	}	345	}
292		346
293	abort ();	347	abort ();
294	}	348	}
295		349
296	static int poll_cb ();	350	static int poll_cb (void);
297	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
298	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
299		353
300	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
301	{	355	{
302	dSP;	356	switch (req->type)
303
304	if (SvOK (req->callback))
305	{	357	{
		358	case REQ_DB_CLOSE:
		359	SvREFCNT_dec (req->sv1);
		360	break;
		361
		362	case REQ_DB_GET:
		363	case REQ_DB_PGET:
		364	dbt_to_sv (req->sv3, &req->dbt3);
		365	break;
		366
		367	case REQ_C_GET:
		368	case REQ_C_PGET:
		369	dbt_to_sv (req->sv1, &req->dbt1);
		370	dbt_to_sv (req->sv2, &req->dbt2);
		371	dbt_to_sv (req->sv3, &req->dbt3);
		372	break;
		373
		374	case REQ_DB_PUT:
		375	case REQ_C_PUT:
		376	dbt_to_sv (0, &req->dbt1);
		377	dbt_to_sv (0, &req->dbt2);
		378	break;
		379
		380	case REQ_DB_KEY_RANGE:
		381	{
		382	AV *av = newAV ();
		383
		384	av_push (av, newSVnv (req->key_range.less));
		385	av_push (av, newSVnv (req->key_range.equal));
		386	av_push (av, newSVnv (req->key_range.greater));
		387
		388	SvREADONLY_off (req->sv1);
		389	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		390	SvREFCNT_dec (req->sv1);
		391	}
		392	break;
		393
		394	#if DB_VERSION_MINOR >= 3
		395	case REQ_SEQ_GET:
		396	SvREADONLY_off (req->sv1);
		397
		398	if (sizeof (IV) > 4)
		399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		400	else
		401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		402
		403	SvREFCNT_dec (req->sv1);
		404	break;
		405	#endif
		406	}
		407
		408	errno = req->result;
		409
		410	if (req->callback)
		411	{
		412	dSP;
		413
306	ENTER;	414	ENTER;
307	SAVETMPS;	415	SAVETMPS;
308	PUSHMARK (SP);	416	PUSHMARK (SP);
309		417
310	switch (req->type)
311	{
312	case REQ_DB_CLOSE:
313	SvREFCNT_dec (req->sv1);
314	break;
315
316	case REQ_DB_GET:
317	case REQ_DB_PGET:
318	dbt_to_sv (req->sv3, &req->dbt3);
319	break;
320
321	case REQ_C_GET:
322	case REQ_C_PGET:
323	dbt_to_sv (req->sv1, &req->dbt1);
324	dbt_to_sv (req->sv2, &req->dbt2);
325	dbt_to_sv (req->sv3, &req->dbt3);
326	break;
327
328	case REQ_DB_KEY_RANGE:
329	{
330	AV *av = newAV ();
331
332	av_push (av, newSVnv (req->key_range.less));
333	av_push (av, newSVnv (req->key_range.equal));
334	av_push (av, newSVnv (req->key_range.greater));
335
336	SvREADONLY_off (req->sv1);
337	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
338	SvREFCNT_dec (req->sv1);
339	}
340	break;
341
342	case REQ_SEQ_GET:
343	SvREADONLY_off (req->sv1);
344
345	if (sizeof (IV) > 4)
346	sv_setiv_mg (req->sv1, req->seq_t);
347	else
348	sv_setnv_mg (req->sv1, req->seq_t);
349
350	SvREFCNT_dec (req->sv1);
351	break;
352	}
353
354	errno = req->result;
355
356	PUTBACK;	418	PUTBACK;
357	call_sv (req->callback, G_VOID | G_EVAL);	419	call_sv (req->callback, G_VOID | G_EVAL);
358	SPAGAIN;	420	SPAGAIN;
359		421
360	FREETMPS;	422	FREETMPS;
361	LEAVE;	423	LEAVE;
		424
		425	return !SvTRUE (ERRSV);
362	}	426	}
363		427
364	return !SvTRUE (ERRSV);	428	return 1;
365	}	429	}
366		430
367	static void req_free (aio_req req)	431	static void req_free (bdb_req req)
368	{	432	{
		433	SvREFCNT_dec (req->callback);
		434
		435	SvREFCNT_dec (req->rsv1);
		436	SvREFCNT_dec (req->rsv2);
		437
369	free (req->buf1);	438	free (req->buf1);
370	free (req->buf2);	439	free (req->buf2);
		440	free (req->buf3);
		441
371	Safefree (req);	442	Safefree (req);
372	}	443	}
373		444
374	static void *aio_proc (void *arg);	445	#ifdef USE_SOCKETS_AS_HANDLES
		446	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		447	#else
		448	# define TO_SOCKET(x) (x)
		449	#endif
		450
		451	static void
		452	create_respipe (void)
		453	{
		454	#ifdef _WIN32
		455	int arg; /* argg */
		456	#endif
		457	int old_readfd = respipe [0];
		458
		459	if (respipe [1] >= 0)
		460	respipe_close (TO_SOCKET (respipe [1]));
		461
		462	#ifdef _WIN32
		463	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		464	#else
		465	if (pipe (respipe))
		466	#endif
		467	croak ("unable to initialize result pipe");
		468
		469	if (old_readfd >= 0)
		470	{
		471	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		472	croak ("unable to initialize result pipe(2)");
		473
		474	respipe_close (respipe [0]);
		475	respipe [0] = old_readfd;
		476	}
		477
		478	#ifdef _WIN32
		479	arg = 1;
		480	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		481	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		482	#else
		483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		484	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		485	#endif
		486	croak ("unable to initialize result pipe(3)");
		487
		488	respipe_osf [0] = TO_SOCKET (respipe [0]);
		489	respipe_osf [1] = TO_SOCKET (respipe [1]);
		490	}
		491
		492	static void bdb_request (bdb_req req);
		493	X_THREAD_PROC (bdb_proc);
375		494
376	static void start_thread (void)	495	static void start_thread (void)
377	{	496	{
378	sigset_t fullsigset, oldsigset;
379	pthread_attr_t attr;
380
381	worker *wrk = calloc (1, sizeof (worker));	497	worker *wrk = calloc (1, sizeof (worker));
382		498
383	if (!wrk)	499	if (!wrk)
384	croak ("unable to allocate worker thread data");	500	croak ("unable to allocate worker thread data");
385		501
386	pthread_attr_init (&attr);
387	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
388	#ifdef PTHREAD_SCOPE_PROCESS
389	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
390	#endif
391
392	sigfillset (&fullsigset);
393
394	LOCK (wrklock);	502	X_LOCK (wrklock);
395	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	503	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398	{	504	{
399	wrk->prev = &wrk_first;	505	wrk->prev = &wrk_first;
400	wrk->next = wrk_first.next;	506	wrk->next = wrk_first.next;
401	wrk_first.next->prev = wrk;	507	wrk_first.next->prev = wrk;
402	wrk_first.next = wrk;	508	wrk_first.next = wrk;
403	++started;	509	++started;
404	}	510	}
405	else	511	else
406	free (wrk);	512	free (wrk);
407		513
408	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409	UNLOCK (wrklock);	514	X_UNLOCK (wrklock);
410	}	515	}
411		516
412	static void maybe_start_thread ()	517	static void maybe_start_thread (void)
413	{	518	{
414	if (get_nthreads () >= wanted)	519	if (get_nthreads () >= wanted)
415	return;	520	return;
416		521
417	/* todo: maybe use idle here, but might be less exact */	522	/* todo: maybe use idle here, but might be less exact */
…		…
419	return;	524	return;
420		525
421	start_thread ();	526	start_thread ();
422	}	527	}
423		528
424	static void req_send (aio_req req)	529	static void req_send (bdb_req req)
425	{	530	{
426	SV *wait_callback = 0;	531	SV *wait_callback = 0;
427		532
428	// synthesize callback if none given	533	if (on_next_submit)
429	if (!SvOK (req->callback))
430	{	534	{
431	dSP;	535	dSP;
		536	SV *cb = sv_2mortal (on_next_submit);
		537
		538	on_next_submit = 0;
		539
432	PUSHMARK (SP);	540	PUSHMARK (SP);
433	PUTBACK;	541	PUTBACK;
434	int count = call_sv (prepare_cb, G_ARRAY);	542	call_sv (cb, G_DISCARD | G_EVAL);
435	SPAGAIN;	543	SPAGAIN;
436
437	if (count != 2)
438	croak ("prepare callback must return exactly two values\n");
439
440	wait_callback = SvREFCNT_inc (POPs);
441	SvREFCNT_dec (req->callback);
442	req->callback = SvREFCNT_inc (POPs);
443	}	544	}
444		545
		546	// synthesize callback if none given
		547	if (!req->callback)
		548	{
		549	if (SvOK (prepare_cb))
		550	{
		551	int count;
		552
		553	dSP;
		554	PUSHMARK (SP);
		555	PUTBACK;
		556	count = call_sv (prepare_cb, G_ARRAY);
		557	SPAGAIN;
		558
		559	if (count != 2)
		560	croak ("prepare callback must return exactly two values\n");
		561
		562	wait_callback = POPs;
		563	req->callback = SvREFCNT_inc (POPs);
		564	}
		565	else
		566	{
		567	// execute request synchronously
		568	bdb_request (req);
		569	req_invoke (req);
		570	req_free (req);
		571	return;
		572	}
		573	}
		574
445	++nreqs;	575	++nreqs;
446		576
447	LOCK (reqlock);	577	X_LOCK (reqlock);
448	++nready;	578	++nready;
449	reqq_push (&req_queue, req);	579	reqq_push (&req_queue, req);
450	pthread_cond_signal (&reqwait);	580	X_COND_SIGNAL (reqwait);
451	UNLOCK (reqlock);	581	X_UNLOCK (reqlock);
452		582
453	maybe_start_thread ();	583	maybe_start_thread ();
454		584
455	if (wait_callback)	585	if (wait_callback)
456	{	586	{
457	dSP;	587	dSP;
458	PUSHMARK (SP);	588	PUSHMARK (SP);
459	PUTBACK;	589	PUTBACK;
460	call_sv (wait_callback, G_DISCARD);	590	call_sv (wait_callback, G_DISCARD);
461	SvREFCNT_dec (wait_callback);
462	}	591	}
463	}	592	}
464		593
465	static void end_thread (void)	594	static void end_thread (void)
466	{	595	{
467	aio_req req;	596	bdb_req req = calloc (1, sizeof (bdb_cb));
468
469	Newz (0, req, 1, aio_cb);
470		597
471	req->type = REQ_QUIT;	598	req->type = REQ_QUIT;
472	req->pri = PRI_MAX + PRI_BIAS;	599	req->pri = PRI_MAX + PRI_BIAS;
473		600
474	LOCK (reqlock);	601	X_LOCK (reqlock);
475	reqq_push (&req_queue, req);	602	reqq_push (&req_queue, req);
476	pthread_cond_signal (&reqwait);	603	X_COND_SIGNAL (reqwait);
477	UNLOCK (reqlock);	604	X_UNLOCK (reqlock);
478		605
479	LOCK (wrklock);	606	X_LOCK (wrklock);
480	--started;	607	--started;
481	UNLOCK (wrklock);	608	X_UNLOCK (wrklock);
482	}	609	}
483		610
484	static void set_max_idle (int nthreads)	611	static void set_max_idle (int nthreads)
485	{	612	{
486	if (WORDACCESS_UNSAFE) LOCK (reqlock);	613	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487	max_idle = nthreads <= 0 ? 1 : nthreads;	614	max_idle = nthreads <= 0 ? 1 : nthreads;
488	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	615	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489	}	616	}
490		617
491	static void min_parallel (int nthreads)	618	static void min_parallel (int nthreads)
492	{	619	{
493	if (wanted < nthreads)	620	if (wanted < nthreads)
…		…
501		628
502	while (started > wanted)	629	while (started > wanted)
503	end_thread ();	630	end_thread ();
504	}	631	}
505		632
506	static void poll_wait ()	633	static void poll_wait (void)
507	{	634	{
508	fd_set rfd;	635	fd_set rfd;
509		636
510	while (nreqs)	637	while (nreqs)
511	{	638	{
512	int size;	639	int size;
513	if (WORDACCESS_UNSAFE) LOCK (reslock);	640	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514	size = res_queue.size;	641	size = res_queue.size;
515	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	642	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516		643
517	if (size)	644	if (size)
518	return;	645	return;
519		646
520	maybe_start_thread ();	647	maybe_start_thread ();
521		648
522	FD_ZERO(&rfd);	649	FD_ZERO (&rfd);
523	FD_SET(respipe [0], &rfd);	650	FD_SET (respipe [0], &rfd);
524		651
525	select (respipe [0] + 1, &rfd, 0, 0, 0);	652	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526	}	653	}
527	}	654	}
528		655
529	static int poll_cb ()	656	static int poll_cb (void)
530	{	657	{
531	dSP;	658	dSP;
532	int count = 0;	659	int count = 0;
533	int maxreqs = max_poll_reqs;	660	int maxreqs = max_poll_reqs;
534	int do_croak = 0;	661	int do_croak = 0;
535	struct timeval tv_start, tv_now;	662	struct timeval tv_start, tv_now;
536	aio_req req;	663	bdb_req req;
537		664
538	if (max_poll_time)	665	if (max_poll_time)
539	gettimeofday (&tv_start, 0);	666	gettimeofday (&tv_start, 0);
540		667
541	for (;;)	668	for (;;)
542	{	669	{
543	for (;;)	670	for (;;)
544	{	671	{
545	maybe_start_thread ();	672	maybe_start_thread ();
546		673
547	LOCK (reslock);	674	X_LOCK (reslock);
548	req = reqq_shift (&res_queue);	675	req = reqq_shift (&res_queue);
549		676
550	if (req)	677	if (req)
551	{	678	{
552	--npending;	679	--npending;
553		680
554	if (!res_queue.size)	681	if (!res_queue.size)
555	{	682	{
556	/* read any signals sent by the worker threads */	683	/* read any signals sent by the worker threads */
557	char buf [4];	684	char buf [4];
558	while (read (respipe [0], buf, 4) == 4)	685	while (respipe_read (respipe [0], buf, 4) == 4)
559	;	686	;
560	}	687	}
561	}	688	}
562		689
563	UNLOCK (reslock);	690	X_UNLOCK (reslock);
564		691
565	if (!req)	692	if (!req)
566	break;	693	break;
567		694
568	--nreqs;	695	--nreqs;
…		…
598	}	725	}
599		726
600	return count;	727	return count;
601	}	728	}
602		729
603	static void create_pipe ()
604	{
605	if (pipe (respipe))
606	croak ("unable to initialize result pipe");
607
608	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
609	croak ("cannot set result pipe to nonblocking mode");
610
611	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
612	croak ("cannot set result pipe to nonblocking mode");
613	}
614
615	/*****************************************************************************/	730	/*****************************************************************************/
616		731
617	static void *aio_proc (void *thr_arg)	732	static void
		733	bdb_request (bdb_req req)
618	{	734	{
		735	switch (req->type)
		736	{
		737	case REQ_ENV_OPEN:
		738	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		739	break;
		740
		741	case REQ_ENV_CLOSE:
		742	req->result = req->env->close (req->env, req->uint1);
		743	break;
		744
		745	case REQ_ENV_TXN_CHECKPOINT:
		746	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		747	break;
		748
		749	case REQ_ENV_LOCK_DETECT:
		750	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		751	break;
		752
		753	case REQ_ENV_MEMP_SYNC:
		754	req->result = req->env->memp_sync (req->env, 0);
		755	break;
		756
		757	case REQ_ENV_MEMP_TRICKLE:
		758	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		759	break;
		760
		761	case REQ_ENV_DBREMOVE:
		762	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		763	break;
		764
		765	case REQ_ENV_DBRENAME:
		766	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		767	break;
		768
		769	case REQ_DB_OPEN:
		770	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		771	break;
		772
		773	case REQ_DB_CLOSE:
		774	req->result = req->db->close (req->db, req->uint1);
		775	break;
		776
		777	#if DB_VERSION_MINOR >= 4
		778	case REQ_DB_COMPACT:
		779	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		780	break;
		781	#endif
		782
		783	case REQ_DB_SYNC:
		784	req->result = req->db->sync (req->db, req->uint1);
		785	break;
		786
		787	case REQ_DB_UPGRADE:
		788	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		789	break;
		790
		791	case REQ_DB_PUT:
		792	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		793	break;
		794
		795	#if DB_VERSION_MINOR >= 6
		796	case REQ_DB_EXISTS:
		797	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		798	break;
		799	#endif
		800	case REQ_DB_GET:
		801	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		802	break;
		803
		804	case REQ_DB_PGET:
		805	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		806	break;
		807
		808	case REQ_DB_DEL:
		809	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		810	break;
		811
		812	case REQ_DB_KEY_RANGE:
		813	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		814	break;
		815
		816	case REQ_TXN_COMMIT:
		817	req->result = req->txn->commit (req->txn, req->uint1);
		818	break;
		819
		820	case REQ_TXN_ABORT:
		821	req->result = req->txn->abort (req->txn);
		822	break;
		823
		824	case REQ_TXN_FINISH:
		825	if (req->txn->flags & TXN_DEADLOCK)
		826	{
		827	req->result = req->txn->abort (req->txn);
		828	if (!req->result)
		829	req->result = DB_LOCK_DEADLOCK;
		830	}
		831	else
		832	req->result = req->txn->commit (req->txn, req->uint1);
		833	break;
		834
		835	case REQ_C_CLOSE:
		836	req->result = req->dbc->c_close (req->dbc);
		837	break;
		838
		839	case REQ_C_COUNT:
		840	{
		841	db_recno_t recno;
		842	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		843	req->uv1 = recno;
		844	}
		845	break;
		846
		847	case REQ_C_PUT:
		848	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		849	break;
		850
		851	case REQ_C_GET:
		852	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		853	break;
		854
		855	case REQ_C_PGET:
		856	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		857	break;
		858
		859	case REQ_C_DEL:
		860	req->result = req->dbc->c_del (req->dbc, req->uint1);
		861	break;
		862
		863	#if DB_VERSION_MINOR >= 3
		864	case REQ_SEQ_OPEN:
		865	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		866	break;
		867
		868	case REQ_SEQ_CLOSE:
		869	req->result = req->seq->close (req->seq, req->uint1);
		870	break;
		871
		872	case REQ_SEQ_GET:
		873	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		874	break;
		875
		876	case REQ_SEQ_REMOVE:
		877	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		878	break;
		879	#endif
		880
		881	default:
		882	req->result = ENOSYS;
		883	break;
		884	}
		885
		886	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		887	req->txn->flags |= TXN_DEADLOCK;
		888	}
		889
		890	X_THREAD_PROC (bdb_proc)
		891	{
619	aio_req req;	892	bdb_req req;
620	struct timespec ts;	893	struct timespec ts;
621	worker *self = (worker *)thr_arg;	894	worker *self = (worker *)thr_arg;
622		895
623	/* try to distribute timeouts somewhat evenly */	896	/* try to distribute timeouts somewhat evenly */
624	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	897	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625	* (1000000000UL / 1024UL);
626		898
627	for (;;)	899	for (;;)
628	{	900	{
629	ts.tv_sec = time (0) + IDLE_TIMEOUT;	901	ts.tv_sec = time (0) + IDLE_TIMEOUT;
630		902
631	LOCK (reqlock);	903	X_LOCK (reqlock);
632		904
633	for (;;)	905	for (;;)
634	{	906	{
635	self->req = req = reqq_shift (&req_queue);	907	self->req = req = reqq_shift (&req_queue);
636		908
637	if (req)	909	if (req)
638	break;	910	break;
639		911
640	++idle;	912	++idle;
641		913
642	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	914	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643	== ETIMEDOUT)	915	== ETIMEDOUT)
644	{	916	{
645	if (idle > max_idle)	917	if (idle > max_idle)
646	{	918	{
647	--idle;	919	--idle;
648	UNLOCK (reqlock);	920	X_UNLOCK (reqlock);
649	LOCK (wrklock);	921	X_LOCK (wrklock);
650	--started;	922	--started;
651	UNLOCK (wrklock);	923	X_UNLOCK (wrklock);
652	goto quit;	924	goto quit;
653	}	925	}
654		926
655	/* we are allowed to idle, so do so without any timeout */	927	/* we are allowed to idle, so do so without any timeout */
656	pthread_cond_wait (&reqwait, &reqlock);	928	X_COND_WAIT (reqwait, reqlock);
657	ts.tv_sec = time (0) + IDLE_TIMEOUT;	929	ts.tv_sec = time (0) + IDLE_TIMEOUT;
658	}	930	}
659		931
660	--idle;	932	--idle;
661	}	933	}
662		934
663	--nready;	935	--nready;
664		936
665	UNLOCK (reqlock);	937	X_UNLOCK (reqlock);
666		938
667	switch (req->type)	939	if (req->type == REQ_QUIT)
668	{	940	{
669	case REQ_QUIT:	941	X_LOCK (reslock);
		942	free (req);
		943	self->req = 0;
		944	X_UNLOCK (reslock);
		945
670	goto quit;	946	goto quit;
671
672	case REQ_ENV_OPEN:
673	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674	break;
675
676	case REQ_ENV_CLOSE:
677	req->result = req->env->close (req->env, req->uint1);
678	break;
679
680	case REQ_ENV_TXN_CHECKPOINT:
681	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
682	break;
683
684	case REQ_ENV_LOCK_DETECT:
685	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
686	break;
687
688	case REQ_ENV_MEMP_SYNC:
689	req->result = req->env->memp_sync (req->env, 0);
690	break;
691
692	case REQ_ENV_MEMP_TRICKLE:
693	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
694	break;
695
696	case REQ_DB_OPEN:
697	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
698	break;
699
700	case REQ_DB_CLOSE:
701	req->result = req->db->close (req->db, req->uint1);
702	break;
703
704	case REQ_DB_COMPACT:
705	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
706	break;
707
708	case REQ_DB_SYNC:
709	req->result = req->db->sync (req->db, req->uint1);
710	break;
711
712	case REQ_DB_PUT:
713	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714	break;
715
716	case REQ_DB_GET:
717	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
718	break;
719
720	case REQ_DB_PGET:
721	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
722	break;
723
724	case REQ_DB_DEL:
725	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
726	break;
727
728	case REQ_DB_KEY_RANGE:
729	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
730	break;
731
732	case REQ_TXN_COMMIT:
733	req->result = req->txn->commit (req->txn, req->uint1);
734	break;
735
736	case REQ_TXN_ABORT:
737	req->result = req->txn->abort (req->txn);
738	break;
739
740	case REQ_C_CLOSE:
741	req->result = req->dbc->c_close (req->dbc);
742	break;
743
744	case REQ_C_COUNT:
745	{
746	db_recno_t recno;
747	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
748	req->uv1 = recno;
749	}
750	break;
751
752	case REQ_C_PUT:
753	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
754	break;
755
756	case REQ_C_GET:
757	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
758	break;
759
760	case REQ_C_PGET:
761	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
762	break;
763
764	case REQ_C_DEL:
765	req->result = req->dbc->c_del (req->dbc, req->uint1);
766	break;
767
768	case REQ_SEQ_OPEN:
769	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
770	break;
771
772	case REQ_SEQ_CLOSE:
773	req->result = req->seq->close (req->seq, req->uint1);
774	break;
775
776	case REQ_SEQ_GET:
777	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
778	break;
779
780	case REQ_SEQ_REMOVE:
781	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
782	break;
783
784	default:
785	req->result = ENOSYS;
786	break;
787	}	947	}
788		948
		949	bdb_request (req);
		950
789	LOCK (reslock);	951	X_LOCK (reslock);
790		952
791	++npending;	953	++npending;
792		954
793	if (!reqq_push (&res_queue, req))	955	if (!reqq_push (&res_queue, req))
794	/* write a dummy byte to the pipe so fh becomes ready */	956	/* write a dummy byte to the pipe so fh becomes ready */
795	write (respipe [1], &respipe, 1);	957	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796		958
797	self->req = 0;	959	self->req = 0;
798	worker_clear (self);	960	worker_clear (self);
799		961
800	UNLOCK (reslock);	962	X_UNLOCK (reslock);
801	}	963	}
802		964
803	quit:	965	quit:
804	LOCK (wrklock);	966	X_LOCK (wrklock);
805	worker_free (self);	967	worker_free (self);
806	UNLOCK (wrklock);	968	X_UNLOCK (wrklock);
807		969
808	return 0;	970	return 0;
809	}	971	}
810		972
811	/*****************************************************************************/	973	/*****************************************************************************/
812		974
813	static void atfork_prepare (void)	975	static void atfork_prepare (void)
814	{	976	{
815	LOCK (wrklock);	977	X_LOCK (wrklock);
816	LOCK (reqlock);	978	X_LOCK (reqlock);
817	LOCK (reslock);	979	X_LOCK (reslock);
818	}	980	}
819		981
820	static void atfork_parent (void)	982	static void atfork_parent (void)
821	{	983	{
822	UNLOCK (reslock);	984	X_UNLOCK (reslock);
823	UNLOCK (reqlock);	985	X_UNLOCK (reqlock);
824	UNLOCK (wrklock);	986	X_UNLOCK (wrklock);
825	}	987	}
826		988
827	static void atfork_child (void)	989	static void atfork_child (void)
828	{	990	{
829	aio_req prv;	991	bdb_req prv;
830		992
831	while (prv = reqq_shift (&req_queue))	993	while (prv = reqq_shift (&req_queue))
832	req_free (prv);	994	req_free (prv);
833		995
834	while (prv = reqq_shift (&res_queue))	996	while (prv = reqq_shift (&res_queue))
…		…
849	idle = 0;	1011	idle = 0;
850	nreqs = 0;	1012	nreqs = 0;
851	nready = 0;	1013	nready = 0;
852	npending = 0;	1014	npending = 0;
853		1015
854	close (respipe [0]);
855	close (respipe [1]);
856	create_pipe ();	1016	create_respipe ();
857		1017
858	atfork_parent ();	1018	atfork_parent ();
859	}	1019	}
860		1020
861	#define dREQ(reqtype) \	1021	#define dREQ(reqtype,rsvcnt) \
862	aio_req req; \	1022	bdb_req req; \
863	int req_pri = next_pri; \	1023	int req_pri = next_pri; \
864	next_pri = DEFAULT_PRI + PRI_BIAS; \	1024	next_pri = DEFAULT_PRI + PRI_BIAS; \
865	\	1025	\
866	if (SvOK (callback) && !SvROK (callback)) \	1026	if (callback && SvOK (callback)) \
867	croak ("callback must be undef or of reference type"); \	1027	croak ("callback has illegal type or extra arguments"); \
868	\	1028	\
869	Newz (0, req, 1, aio_cb); \	1029	Newz (0, req, 1, bdb_cb); \
870	if (!req) \	1030	if (!req) \
871	croak ("out of memory during aio_req allocation"); \	1031	croak ("out of memory during bdb_req allocation"); \
872	\	1032	\
873	req->callback = newSVsv (callback); \	1033	req->callback = SvREFCNT_inc (cb); \
874	req->type = (reqtype); \	1034	req->type = (reqtype); \
875	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;
876		1039
877	#define REQ_SEND \	1040	#define REQ_SEND \
878	req_send (req)	1041	req_send (req)
879		1042
880	#define SvPTR(var, arg, type, class, nullok) \	1043	#define SvPTR(var, arg, type, class, nullok) \
881	if (!SvOK (arg)) \	1044	if (!SvOK (arg)) \
882	{ \	1045	{ \
883	if (!nullok) \	1046	if (nullok != 1) \
884	croak (# var " must be a " # class " object, not undef"); \	1047	croak (# var " must be a " # class " object, not undef"); \
885	\	1048	\
886	(var) = 0; \	1049	(var) = 0; \
887	} \	1050	} \
888	else if (sv_derived_from ((arg), # class)) \	1051	else if (sv_derived_from ((arg), # class)) \
889	{ \	1052	{ \
890	IV tmp = SvIV ((SV*) SvRV (arg)); \	1053	IV tmp = SvIV ((SV*) SvRV (arg)); \
891	(var) = INT2PTR (type, tmp); \	1054	(var) = INT2PTR (type, tmp); \
892	if (!var) \	1055	if (!var && nullok != 2) \
893	croak (# var " is not a valid " # class " object anymore"); \	1056	croak (# var " is not a valid " # class " object anymore"); \
894	} \	1057	} \
895	else \	1058	else \
896	croak (# var " is not of type " # class); \	1059	croak (# var " is not of type " # class);
897	\
898		1060
899	static void	1061	static void
900	ptr_nuke (SV *sv)	1062	ptr_nuke (SV *sv)
901	{	1063	{
902	assert (SvROK (sv));	1064	assert (SvROK (sv));
903	sv_setiv (SvRV (sv), 0);	1065	sv_setiv (SvRV (sv), 0);
904	}	1066	}
		1067
		1068	static int
		1069	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1070	{
		1071	if (*mg->mg_ptr == '!') // should always be the case
		1072	if (-30999 <= errno && errno <= -30800)
		1073	{
		1074	sv_setnv (sv, (NV)errno);
		1075	sv_setpv (sv, db_strerror (errno));
		1076	SvNOK_on (sv); /* what a wonderful hack! */
		1077	// ^^^ copied from perl sources
		1078	return 0;
		1079	}
		1080
		1081	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1082	}
		1083
		1084	static MGVTBL vtbl_errno;
		1085
		1086	// this wonderful hack :( patches perl's $! variable to support our errno values
		1087	static void
		1088	patch_errno (void)
		1089	{
		1090	SV *sv;
		1091	MAGIC *mg;
		1092
		1093	if (!(sv = get_sv ("!", 1)))
		1094	return;
		1095
		1096	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1097	return;
		1098
		1099	if (mg->mg_virtual != &PL_vtbl_sv)
		1100	return;
		1101
		1102	vtbl_errno = PL_vtbl_sv;
		1103	vtbl_errno.svt_get = errno_get;
		1104	mg->mg_virtual = &vtbl_errno;
		1105	}
		1106
		1107	#if __GNUC__ >= 4
		1108	# define noinline __attribute__ ((noinline))
		1109	#else
		1110	# define noinline
		1111	#endif
		1112
		1113	static noinline SV *
		1114	pop_callback (I32 *ritems, SV *sv)
		1115	{
		1116	if (SvROK (sv))
		1117	{
		1118	HV *st;
		1119	GV *gvp;
		1120	CV *cv;
		1121	const char *name;
		1122
		1123	/* forgive me */
		1124	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1125	&& (st = SvSTASH (SvRV (sv)))
		1126	&& (name = HvNAME_get (st))
		1127	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1128	return 0;
		1129
		1130	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1131	{
		1132	--*ritems;
		1133	return (SV *)cv;
		1134	}
		1135	}
		1136
		1137	return 0;
		1138	}
		1139
		1140	/* stupid windoes defined CALLBACK as well */
		1141	#undef CALLBACK
		1142	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
905		1143
906	MODULE = BDB PACKAGE = BDB	1144	MODULE = BDB PACKAGE = BDB
907		1145
908	PROTOTYPES: ENABLE	1146	PROTOTYPES: ENABLE
909		1147
…		…
925	const_iv (INIT_TXN)	1163	const_iv (INIT_TXN)
926	const_iv (RECOVER)	1164	const_iv (RECOVER)
927	const_iv (INIT_TXN)	1165	const_iv (INIT_TXN)
928	const_iv (RECOVER_FATAL)	1166	const_iv (RECOVER_FATAL)
929	const_iv (CREATE)	1167	const_iv (CREATE)
		1168	const_iv (RDONLY)
930	const_iv (USE_ENVIRON)	1169	const_iv (USE_ENVIRON)
931	const_iv (USE_ENVIRON_ROOT)	1170	const_iv (USE_ENVIRON_ROOT)
932	const_iv (LOCKDOWN)	1171	const_iv (LOCKDOWN)
933	const_iv (PRIVATE)	1172	const_iv (PRIVATE)
934	const_iv (REGISTER)
935	const_iv (SYSTEM_MEM)	1173	const_iv (SYSTEM_MEM)
936	const_iv (AUTO_COMMIT)	1174	const_iv (AUTO_COMMIT)
937	const_iv (CDB_ALLDB)	1175	const_iv (CDB_ALLDB)
938	const_iv (DIRECT_DB)	1176	const_iv (DIRECT_DB)
939	const_iv (DIRECT_LOG)
940	const_iv (DSYNC_DB)
941	const_iv (DSYNC_LOG)
942	const_iv (LOG_AUTOREMOVE)
943	const_iv (LOG_INMEMORY)
944	const_iv (NOLOCKING)	1177	const_iv (NOLOCKING)
945	const_iv (MULTIVERSION)
946	const_iv (NOMMAP)	1178	const_iv (NOMMAP)
947	const_iv (NOPANIC)	1179	const_iv (NOPANIC)
948	const_iv (OVERWRITE)	1180	const_iv (OVERWRITE)
949	const_iv (PANIC_ENVIRONMENT)	1181	const_iv (PANIC_ENVIRONMENT)
950	const_iv (REGION_INIT)	1182	const_iv (REGION_INIT)
951	const_iv (TIME_NOTGRANTED)	1183	const_iv (TIME_NOTGRANTED)
952	const_iv (TXN_NOSYNC)	1184	const_iv (TXN_NOSYNC)
953	const_iv (TXN_SNAPSHOT)	1185	const_iv (TXN_NOT_DURABLE)
954	const_iv (TXN_WRITE_NOSYNC)	1186	const_iv (TXN_WRITE_NOSYNC)
955	const_iv (WRITECURSOR)	1187	const_iv (WRITECURSOR)
956	const_iv (YIELDCPU)	1188	const_iv (YIELDCPU)
957	const_iv (ENCRYPT_AES)	1189	const_iv (ENCRYPT_AES)
958	const_iv (XA_CREATE)	1190	const_iv (XA_CREATE)
…		…
960	const_iv (HASH)	1192	const_iv (HASH)
961	const_iv (QUEUE)	1193	const_iv (QUEUE)
962	const_iv (RECNO)	1194	const_iv (RECNO)
963	const_iv (UNKNOWN)	1195	const_iv (UNKNOWN)
964	const_iv (EXCL)	1196	const_iv (EXCL)
965	const_iv (READ_COMMITTED)
966	const_iv (READ_UNCOMMITTED)
967	const_iv (TRUNCATE)	1197	const_iv (TRUNCATE)
968	const_iv (NOSYNC)	1198	const_iv (NOSYNC)
969	const_iv (CHKSUM)	1199	const_iv (CHKSUM)
970	const_iv (ENCRYPT)	1200	const_iv (ENCRYPT)
971	const_iv (TXN_NOT_DURABLE)
972	const_iv (DUP)	1201	const_iv (DUP)
973	const_iv (DUPSORT)	1202	const_iv (DUPSORT)
974	const_iv (RECNUM)	1203	const_iv (RECNUM)
975	const_iv (RENUMBER)	1204	const_iv (RENUMBER)
976	const_iv (REVSPLITOFF)	1205	const_iv (REVSPLITOFF)
977	const_iv (INORDER)
978	const_iv (CONSUME)	1206	const_iv (CONSUME)
979	const_iv (CONSUME_WAIT)	1207	const_iv (CONSUME_WAIT)
980	const_iv (GET_BOTH)	1208	const_iv (GET_BOTH)
981	const_iv (GET_BOTH_RANGE)	1209	const_iv (GET_BOTH_RANGE)
982	//const_iv (SET_RECNO)	1210	//const_iv (SET_RECNO)
983	//const_iv (MULTIPLE)	1211	//const_iv (MULTIPLE)
984	const_iv (SNAPSHOT)	1212	const_iv (SNAPSHOT)
985	const_iv (JOIN_ITEM)	1213	const_iv (JOIN_ITEM)
		1214	const_iv (JOIN_NOSORT)
986	const_iv (RMW)	1215	const_iv (RMW)
987		1216
988	const_iv (NOTFOUND)	1217	const_iv (NOTFOUND)
989	const_iv (KEYEMPTY)	1218	const_iv (KEYEMPTY)
990	const_iv (LOCK_DEADLOCK)	1219	const_iv (LOCK_DEADLOCK)
991	const_iv (LOCK_NOTGRANTED)	1220	const_iv (LOCK_NOTGRANTED)
992	const_iv (RUNRECOVERY)	1221	const_iv (RUNRECOVERY)
993	const_iv (OLD_VERSION)	1222	const_iv (OLD_VERSION)
994	const_iv (REP_HANDLE_DEAD)	1223	const_iv (REP_HANDLE_DEAD)
995	const_iv (REP_LOCKOUT)
996	const_iv (SECONDARY_BAD)	1224	const_iv (SECONDARY_BAD)
997
998	const_iv (FREE_SPACE)
999	const_iv (FREELIST_ONLY)
1000		1225
1001	const_iv (APPEND)	1226	const_iv (APPEND)
1002	const_iv (NODUPDATA)	1227	const_iv (NODUPDATA)
1003	const_iv (NOOVERWRITE)	1228	const_iv (NOOVERWRITE)
1004		1229
1005	const_iv (TXN_NOWAIT)	1230	const_iv (TXN_NOWAIT)
1006	const_iv (TXN_SNAPSHOT)
1007	const_iv (TXN_SYNC)	1231	const_iv (TXN_SYNC)
1008		1232
1009	const_iv (SET_LOCK_TIMEOUT)	1233	const_iv (SET_LOCK_TIMEOUT)
1010	const_iv (SET_TXN_TIMEOUT)	1234	const_iv (SET_TXN_TIMEOUT)
1011		1235
1012	const_iv (JOIN_ITEM)
1013	const_iv (FIRST)	1236	const_iv (FIRST)
1014	const_iv (NEXT)	1237	const_iv (NEXT)
1015	const_iv (NEXT_DUP)	1238	const_iv (NEXT_DUP)
1016	const_iv (NEXT_NODUP)	1239	const_iv (NEXT_NODUP)
1017	const_iv (PREV)	1240	const_iv (PREV)
…		…
1029	const_iv (FORCE)	1252	const_iv (FORCE)
1030		1253
1031	const_iv (LOCK_DEFAULT)	1254	const_iv (LOCK_DEFAULT)
1032	const_iv (LOCK_EXPIRE)	1255	const_iv (LOCK_EXPIRE)
1033	const_iv (LOCK_MAXLOCKS)	1256	const_iv (LOCK_MAXLOCKS)
1034	const_iv (LOCK_MAXWRITE)
1035	const_iv (LOCK_MINLOCKS)	1257	const_iv (LOCK_MINLOCKS)
1036	const_iv (LOCK_MINWRITE)	1258	const_iv (LOCK_MINWRITE)
1037	const_iv (LOCK_OLDEST)	1259	const_iv (LOCK_OLDEST)
1038	const_iv (LOCK_RANDOM)	1260	const_iv (LOCK_RANDOM)
1039	const_iv (LOCK_YOUNGEST)	1261	const_iv (LOCK_YOUNGEST)
1040		1262
		1263	const_iv (DONOTINDEX)
		1264	const_iv (KEYEMPTY )
		1265	const_iv (KEYEXIST )
		1266	const_iv (LOCK_DEADLOCK)
		1267	const_iv (LOCK_NOTGRANTED)
		1268	const_iv (NOSERVER)
		1269	const_iv (NOSERVER_HOME)
		1270	const_iv (NOSERVER_ID)
		1271	const_iv (NOTFOUND)
		1272	const_iv (PAGE_NOTFOUND)
		1273	const_iv (REP_DUPMASTER)
		1274	const_iv (REP_HANDLE_DEAD)
		1275	const_iv (REP_HOLDELECTION)
		1276	const_iv (REP_ISPERM)
		1277	const_iv (REP_NEWMASTER)
		1278	const_iv (REP_NEWSITE)
		1279	const_iv (REP_NOTPERM)
		1280	const_iv (REP_UNAVAIL)
		1281	const_iv (RUNRECOVERY)
		1282	const_iv (SECONDARY_BAD)
		1283	const_iv (VERIFY_BAD)
		1284
		1285	const_iv (VERB_DEADLOCK)
		1286	const_iv (VERB_RECOVERY)
		1287	const_iv (VERB_REPLICATION)
		1288	const_iv (VERB_WAITSFOR)
		1289
		1290	const_iv (VERSION_MAJOR)
		1291	const_iv (VERSION_MINOR)
		1292	const_iv (VERSION_PATCH)
		1293	#if DB_VERSION_MINOR >= 3
		1294	const_iv (INORDER)
		1295	const_iv (LOCK_MAXWRITE)
1041	const_iv (SEQ_DEC)	1296	const_iv (SEQ_DEC)
1042	const_iv (SEQ_INC)	1297	const_iv (SEQ_INC)
1043	const_iv (SEQ_WRAP)	1298	const_iv (SEQ_WRAP)
		1299	const_iv (BUFFER_SMALL)
		1300	const_iv (LOG_BUFFER_FULL)
		1301	const_iv (VERSION_MISMATCH)
		1302	#endif
		1303	#if DB_VERSION_MINOR >= 4
		1304	const_iv (REGISTER)
		1305	const_iv (DSYNC_DB)
		1306	const_iv (READ_COMMITTED)
		1307	const_iv (READ_UNCOMMITTED)
		1308	const_iv (REP_IGNORE)
		1309	const_iv (REP_LOCKOUT)
		1310	const_iv (REP_JOIN_FAILURE)
		1311	const_iv (FREE_SPACE)
		1312	const_iv (FREELIST_ONLY)
		1313	const_iv (VERB_REGISTER)
		1314	#endif
		1315	#if DB_VERSION_MINOR >= 5
		1316	const_iv (MULTIVERSION)
		1317	const_iv (TXN_SNAPSHOT)
		1318	#endif
		1319	#if DB_VERSION_MINOR >= 6
		1320	const_iv (PREV_DUP)
		1321	const_iv (PRIORITY_UNCHANGED)
		1322	const_iv (PRIORITY_VERY_LOW)
		1323	const_iv (PRIORITY_LOW)
		1324	const_iv (PRIORITY_DEFAULT)
		1325	const_iv (PRIORITY_HIGH)
		1326	const_iv (PRIORITY_VERY_HIGH)
		1327	#endif
		1328	#if DB_VERSION_MINOR >= 7
		1329	const_iv (LOG_DIRECT)
		1330	const_iv (LOG_DSYNC)
		1331	const_iv (LOG_AUTO_REMOVE)
		1332	const_iv (LOG_IN_MEMORY)
		1333	const_iv (LOG_ZERO)
		1334	#else
		1335	const_iv (DIRECT_LOG)
		1336	const_iv (LOG_AUTOREMOVE)
		1337	# if DB_VERSION_MINOR >= 3
		1338	const_iv (DSYNC_LOG)
		1339	const_iv (LOG_INMEMORY)
		1340	# endif
		1341	#endif
1044	};	1342	};
1045		1343
1046	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1344	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1345	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048		1346
1049	create_pipe ();	1347	prepare_cb = &PL_sv_undef;
		1348
		1349	{
		1350	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1351	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1352
		1353	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1354	}
		1355
		1356	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1357
		1358	create_respipe ();
		1359
1050	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1360	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1361	patch_errno ();
1051	}	1362	}
1052		1363
1053	void	1364	void
1054	max_poll_reqs (int nreqs)	1365	max_poll_reqs (int nreqs)
1055	PROTOTYPE: $	1366	PROTOTYPE: $
…		…
1174		1485
1175	int	1486	int
1176	nthreads ()	1487	nthreads ()
1177	PROTOTYPE:	1488	PROTOTYPE:
1178	CODE:	1489	CODE:
1179	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1490	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180	RETVAL = started;	1491	RETVAL = started;
1181	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1492	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182	OUTPUT:	1493	OUTPUT:
1183	RETVAL	1494	RETVAL
1184		1495
1185	void	1496	SV *
1186	set_sync_prepare (SV *cb)	1497	set_sync_prepare (SV *cb)
1187	PROTOTYPE: &	1498	PROTOTYPE: &
1188	CODE:	1499	CODE:
1189	SvREFCNT_dec (prepare_cb);	1500	RETVAL = prepare_cb;
1190	prepare_cb = newSVsv (cb);	1501	prepare_cb = newSVsv (cb);
		1502	OUTPUT:
		1503	RETVAL
1191		1504
		1505	char *
		1506	strerror (int errorno = errno)
		1507	PROTOTYPE: ;$
		1508	CODE:
		1509	RETVAL = db_strerror (errorno);
		1510	OUTPUT:
		1511	RETVAL
		1512
		1513	void _on_next_submit (SV *cb)
		1514	CODE:
		1515	SvREFCNT_dec (on_next_submit);
		1516	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192		1517
1193	DB_ENV *	1518	DB_ENV *
1194	db_env_create (U32 env_flags = 0)	1519	db_env_create (U32 env_flags = 0)
1195	CODE:	1520	CODE:
1196	{	1521	{
1197	errno = db_env_create (&RETVAL, env_flags);	1522	errno = db_env_create (&RETVAL, env_flags);
1198	if (errno)	1523	if (errno)
1199	croak ("db_env_create: %s", db_strerror (errno));	1524	croak ("db_env_create: %s", db_strerror (errno));
		1525
		1526	if (0)
		1527	{
		1528	RETVAL->set_errcall (RETVAL, debug_errcall);
		1529	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1530	}
1200	}	1531	}
1201	OUTPUT:	1532	OUTPUT:
1202	RETVAL	1533	RETVAL
1203		1534
1204	void	1535	void
1205	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1536	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1206	CODE:	1539	CODE:
1207	{	1540	{
1208	env->set_thread_count (env, get_nthreads ());
1209
1210	dREQ (REQ_ENV_OPEN);	1541	dREQ (REQ_ENV_OPEN, 1);
1211	req->env = env;	1542	req->env = env;
1212	req->uint1 = open_flags | DB_THREAD;	1543	req->uint1 = open_flags | DB_THREAD;
1213	req->int1 = mode;	1544	req->int1 = mode;
1214	req->buf1 = strdup_ornull (db_home);	1545	req->buf1 = strdup_ornull (db_home);
1215	REQ_SEND;	1546	REQ_SEND;
1216	}	1547	}
1217		1548
1218	void	1549	void
1219	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1550	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1551	PREINIT:
		1552	CALLBACK
1220	CODE:	1553	CODE:
1221	{	1554	{
1222	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 1);
1223	req->env = env;	1556	req->env = env;
1224	req->uint1 = flags;	1557	req->uint1 = flags;
1225	REQ_SEND;	1558	REQ_SEND;
1226	ptr_nuke (ST (0));	1559	ptr_nuke (ST (0));
1227	}	1560	}
1228		1561
1229	void	1562	void
1230	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1563	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
1231	CODE:	1566	CODE:
1232	{	1567	{
1233	dREQ (REQ_ENV_TXN_CHECKPOINT);	1568	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1234	req->env = env;	1569	req->env = env;
1235	req->uint1 = kbyte;	1570	req->uint1 = kbyte;
1236	req->int1 = min;	1571	req->int1 = min;
1237	req->uint2 = flags;	1572	req->uint2 = flags;
1238	REQ_SEND;	1573	REQ_SEND;
1239	}	1574	}
1240		1575
1241	void	1576	void
1242	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1577	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1578	PREINIT:
		1579	CALLBACK
1243	CODE:	1580	CODE:
1244	{	1581	{
1245	dREQ (REQ_ENV_LOCK_DETECT);	1582	dREQ (REQ_ENV_LOCK_DETECT, 1);
1246	req->env = env;	1583	req->env = env;
1247	req->uint1 = flags;	1584	req->uint1 = flags;
1248	req->uint2 = atype;	1585	req->uint2 = atype;
		1586	/* req->int2 = 0; dummy */
1249	REQ_SEND;	1587	REQ_SEND;
1250	}	1588	}
1251		1589
1252	void	1590	void
1253	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1591	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
1254	CODE:	1594	CODE:
1255	{	1595	{
1256	dREQ (REQ_ENV_MEMP_SYNC);	1596	dREQ (REQ_ENV_MEMP_SYNC, 1);
1257	req->env = env;	1597	req->env = env;
1258	REQ_SEND;	1598	REQ_SEND;
1259	}	1599	}
1260		1600
1261	void	1601	void
1262	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1602	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1603	PREINIT:
		1604	CALLBACK
1263	CODE:	1605	CODE:
1264	{	1606	{
1265	dREQ (REQ_ENV_MEMP_TRICKLE);	1607	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1266	req->env = env;	1608	req->env = env;
1267	req->int1 = percent;	1609	req->int1 = percent;
1268	REQ_SEND;	1610	REQ_SEND;
1269	}	1611	}
1270		1612
		1613	void
		1614	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
		1617	CODE:
		1618	{
		1619	dREQ (REQ_ENV_DBREMOVE, 2);
		1620	req->env = env;
		1621	req->buf1 = strdup_ornull (file);
		1622	req->buf2 = strdup_ornull (database);
		1623	req->uint1 = flags;
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	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)
		1629	PREINIT:
		1630	CALLBACK
		1631	CODE:
		1632	{
		1633	dREQ (REQ_ENV_DBRENAME, 2);
		1634	req->env = env;
		1635	req->buf1 = strdup_ornull (file);
		1636	req->buf2 = strdup_ornull (database);
		1637	req->buf3 = strdup_ornull (newname);
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	}
1271		1641
1272	DB *	1642	DB *
1273	db_create (DB_ENV *env = 0, U32 flags = 0)	1643	db_create (DB_ENV *env = 0, U32 flags = 0)
1274	CODE:	1644	CODE:
1275	{	1645	{
…		…
1282	}	1652	}
1283	OUTPUT:	1653	OUTPUT:
1284	RETVAL	1654	RETVAL
1285		1655
1286	void	1656	void
1287	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1657	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1288	CODE:	1660	CODE:
1289	{	1661	{
1290	dREQ (REQ_DB_OPEN);	1662	dREQ (REQ_DB_OPEN, 2);
1291	req->db = db;	1663	req->db = db;
1292	req->txn = txnid;	1664	req->txn = txnid;
1293	req->buf1 = strdup_ornull (file);	1665	req->buf1 = strdup_ornull (file);
1294	req->buf2 = strdup_ornull (database);	1666	req->buf2 = strdup_ornull (database);
1295	req->int1 = type;	1667	req->int1 = type;
…		…
1297	req->int2 = mode;	1669	req->int2 = mode;
1298	REQ_SEND;	1670	REQ_SEND;
1299	}	1671	}
1300		1672
1301	void	1673	void
1302	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1674	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1675	PREINIT:
		1676	CALLBACK
1303	CODE:	1677	CODE:
1304	{	1678	{
1305	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 1);
1306	req->db = db;	1680	req->db = db;
1307	req->uint1 = flags;	1681	req->uint1 = flags;
1308	req->sv1 = (SV *)db->app_private;	1682	req->sv1 = (SV *)db->app_private;
1309	REQ_SEND;	1683	REQ_SEND;
1310	ptr_nuke (ST (0));	1684	ptr_nuke (ST (0));
1311	}	1685	}
1312		1686
		1687	#if DB_VERSION_MINOR >= 4
		1688
1313	void	1689	void
1314	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)	1690	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)
		1691	PREINIT:
		1692	CALLBACK
1315	CODE:	1693	CODE:
1316	{	1694	{
1317	dREQ (REQ_DB_COMPACT);	1695	dREQ (REQ_DB_COMPACT, 2);
1318	req->db = db;	1696	req->db = db;
1319	req->txn = txn;	1697	req->txn = txn;
1320	sv_to_dbt (&req->dbt1, start);	1698	sv_to_dbt (&req->dbt1, start);
1321	sv_to_dbt (&req->dbt2, stop);	1699	sv_to_dbt (&req->dbt2, stop);
1322	req->uint1 = flags;	1700	req->uint1 = flags;
1323	REQ_SEND;	1701	REQ_SEND;
1324	}	1702	}
1325		1703
		1704	#endif
		1705
1326	void	1706	void
1327	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1328	CODE:	1710	CODE:
1329	{	1711	{
1330	dREQ (REQ_DB_SYNC);	1712	dREQ (REQ_DB_SYNC, 1);
1331	req->db = db;	1713	req->db = db;
1332	req->uint1 = flags;	1714	req->uint1 = flags;
1333	REQ_SEND;	1715	REQ_SEND;
1334	}	1716	}
1335		1717
1336	void	1718	void
		1719	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_SYNC, 1);
		1725	req->db = db;
		1726	req->buf1 = strdup (file);
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
1337	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1732	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
1338	CODE:	1735	CODE:
1339	{	1736	{
1340	dREQ (REQ_DB_KEY_RANGE);	1737	dREQ (REQ_DB_KEY_RANGE, 2);
1341	req->db = db;	1738	req->db = db;
1342	req->txn = txn;	1739	req->txn = txn;
1343	sv_to_dbt (&req->dbt1, key);	1740	sv_to_dbt (&req->dbt1, key);
1344	req->uint1 = flags;	1741	req->uint1 = flags;
1345	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1742	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1346	REQ_SEND;	1743	REQ_SEND;
1347	}	1744	}
1348		1745
1349	void	1746	void
1350	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1747	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1748	PREINIT:
		1749	CALLBACK
1351	CODE:	1750	CODE:
1352	{	1751	{
1353	dREQ (REQ_DB_PUT);	1752	dREQ (REQ_DB_PUT, 2);
1354	req->db = db;	1753	req->db = db;
1355	req->txn = txn;	1754	req->txn = txn;
1356	sv_to_dbt (&req->dbt1, key);	1755	sv_to_dbt (&req->dbt1, key);
1357	sv_to_dbt (&req->dbt2, data);	1756	sv_to_dbt (&req->dbt2, data);
1358	req->uint1 = flags;	1757	req->uint1 = flags;
1359	REQ_SEND;	1758	REQ_SEND;
1360	}	1759	}
1361		1760
		1761	#if DB_VERSION_MINOR >= 6
		1762
1362	void	1763	void
		1764	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1765	PREINIT:
		1766	CALLBACK
		1767	CODE:
		1768	{
		1769	dREQ (REQ_DB_EXISTS, 2);
		1770	req->db = db;
		1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	REQ_SEND;
		1775	}
		1776
		1777	#endif
		1778
		1779	void
1363	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1364	CODE:	1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_get");
1365	{	1786	{
1366	dREQ (REQ_DB_GET);	1787	dREQ (REQ_DB_GET, 2);
1367	req->db = db;	1788	req->db = db;
1368	req->txn = txn;	1789	req->txn = txn;
1369	req->uint1 = flags;	1790	req->uint1 = flags;
1370	sv_to_dbt (&req->dbt1, key);	1791	sv_to_dbt (&req->dbt1, key);
1371	req->dbt3.flags = DB_DBT_MALLOC;	1792	req->dbt3.flags = DB_DBT_MALLOC;
1372	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1793	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1373	REQ_SEND;	1794	REQ_SEND;
1374	}	1795	}
1375		1796
1376	void	1797	void
1377	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1798	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1799	PREINIT:
		1800	CALLBACK
1378	CODE:	1801	CODE:
		1802	if (SvREADONLY (data))
		1803	croak ("can't modify read-only data scalar in db_pget");
1379	{	1804	{
1380	dREQ (REQ_DB_PGET);	1805	dREQ (REQ_DB_PGET, 2);
1381	req->db = db;	1806	req->db = db;
1382	req->txn = txn;	1807	req->txn = txn;
1383	req->uint1 = flags;	1808	req->uint1 = flags;
1384	sv_to_dbt (&req->dbt1, key);	1809	sv_to_dbt (&req->dbt1, key);
1385	sv_to_dbt (&req->dbt2, pkey);	1810	sv_to_dbt (&req->dbt2, pkey);
…		…
1387	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1812	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1388	REQ_SEND;	1813	REQ_SEND;
1389	}	1814	}
1390		1815
1391	void	1816	void
1392	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1817	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1818	PREINIT:
		1819	CALLBACK
1393	CODE:	1820	CODE:
1394	{	1821	{
1395	dREQ (REQ_DB_DEL);	1822	dREQ (REQ_DB_DEL, 2);
1396	req->db = db;	1823	req->db = db;
1397	req->txn = txn;	1824	req->txn = txn;
1398	req->uint1 = flags;	1825	req->uint1 = flags;
1399	sv_to_dbt (&req->dbt1, key);	1826	sv_to_dbt (&req->dbt1, key);
1400	REQ_SEND;	1827	REQ_SEND;
1401	}	1828	}
1402		1829
1403	void	1830	void
1404	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1831	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1832	PREINIT:
		1833	CALLBACK
1405	CODE:	1834	CODE:
1406	{	1835	{
1407	dREQ (REQ_TXN_COMMIT);	1836	dREQ (REQ_TXN_COMMIT, 1);
1408	req->txn = txn;	1837	req->txn = txn;
1409	req->uint1 = flags;	1838	req->uint1 = flags;
1410	REQ_SEND;	1839	REQ_SEND;
1411	ptr_nuke (ST (0));	1840	ptr_nuke (ST (0));
1412	}	1841	}
1413		1842
1414	void	1843	void
1415	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1844	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1845	PREINIT:
		1846	CALLBACK
1416	CODE:	1847	CODE:
1417	{	1848	{
1418	dREQ (REQ_TXN_ABORT);	1849	dREQ (REQ_TXN_ABORT, 1);
1419	req->txn = txn;	1850	req->txn = txn;
1420	REQ_SEND;	1851	REQ_SEND;
1421	ptr_nuke (ST (0));	1852	ptr_nuke (ST (0));
1422	}	1853	}
1423		1854
1424	void	1855	void
		1856	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1857	PREINIT:
		1858	CALLBACK
		1859	CODE:
		1860	{
		1861	dREQ (REQ_TXN_FINISH, 1);
		1862	req->txn = txn;
		1863	req->uint1 = flags;
		1864	REQ_SEND;
		1865	ptr_nuke (ST (0));
		1866	}
		1867
		1868	void
1425	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1869	db_c_close (DBC *dbc, SV *callback = 0)
		1870	PREINIT:
		1871	CALLBACK
1426	CODE:	1872	CODE:
1427	{	1873	{
1428	dREQ (REQ_C_CLOSE);	1874	dREQ (REQ_C_CLOSE, 1);
1429	req->dbc = dbc;	1875	req->dbc = dbc;
1430	REQ_SEND;	1876	REQ_SEND;
1431	ptr_nuke (ST (0));	1877	ptr_nuke (ST (0));
1432	}	1878	}
1433		1879
1434	void	1880	void
1435	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1881	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1882	PREINIT:
		1883	CALLBACK
1436	CODE:	1884	CODE:
1437	{	1885	{
1438	dREQ (REQ_C_COUNT);	1886	dREQ (REQ_C_COUNT, 1);
1439	req->dbc = dbc;	1887	req->dbc = dbc;
1440	req->sv1 = SvREFCNT_inc (count);	1888	req->sv1 = SvREFCNT_inc (count);
1441	REQ_SEND;	1889	REQ_SEND;
1442	}	1890	}
1443		1891
1444	void	1892	void
1445	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1893	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1894	PREINIT:
		1895	CALLBACK
1446	CODE:	1896	CODE:
1447	{	1897	{
1448	dREQ (REQ_C_PUT);	1898	dREQ (REQ_C_PUT, 1);
1449	req->dbc = dbc;	1899	req->dbc = dbc;
1450	sv_to_dbt (&req->dbt1, key);	1900	sv_to_dbt (&req->dbt1, key);
1451	sv_to_dbt (&req->dbt2, data);	1901	sv_to_dbt (&req->dbt2, data);
1452	req->uint1 = flags;	1902	req->uint1 = flags;
1453	REQ_SEND;	1903	REQ_SEND;
1454	}	1904	}
1455		1905
1456	void	1906	void
1457	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1907	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1908	PREINIT:
		1909	CALLBACK
1458	CODE:	1910	CODE:
1459	{	1911	{
1460	dREQ (REQ_C_GET);	1912	dREQ (REQ_C_GET, 1);
1461	req->dbc = dbc;	1913	req->dbc = dbc;
1462	req->uint1 = flags;	1914	req->uint1 = flags;
1463	if ((flags & DB_SET) == DB_SET	1915	if ((flags & DB_SET) == DB_SET
1464	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1916	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1465	sv_to_dbt (&req->dbt1, key);	1917	sv_to_dbt (&req->dbt1, key);
…		…
1477	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1929	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1478	REQ_SEND;	1930	REQ_SEND;
1479	}	1931	}
1480		1932
1481	void	1933	void
1482	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1934	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1935	PREINIT:
		1936	CALLBACK
1483	CODE:	1937	CODE:
1484	{	1938	{
1485	dREQ (REQ_C_PGET);	1939	dREQ (REQ_C_PGET, 1);
1486	req->dbc = dbc;	1940	req->dbc = dbc;
1487	req->uint1 = flags;	1941	req->uint1 = flags;
1488	if ((flags & DB_SET) == DB_SET	1942	if ((flags & DB_SET) == DB_SET
1489	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1943	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1490	sv_to_dbt (&req->dbt1, key);	1944	sv_to_dbt (&req->dbt1, key);
…		…
1505	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1959	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1506	REQ_SEND;	1960	REQ_SEND;
1507	}	1961	}
1508		1962
1509	void	1963	void
1510	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1964	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1965	PREINIT:
		1966	CALLBACK
1511	CODE:	1967	CODE:
1512	{	1968	{
1513	dREQ (REQ_C_DEL);	1969	dREQ (REQ_C_DEL, 1);
1514	req->dbc = dbc;	1970	req->dbc = dbc;
1515	req->uint1 = flags;	1971	req->uint1 = flags;
1516	REQ_SEND;	1972	REQ_SEND;
1517	}	1973	}
1518		1974
1519		1975
		1976	#if DB_VERSION_MINOR >= 3
		1977
1520	void	1978	void
1521	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1979	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1980	PREINIT:
		1981	CALLBACK
1522	CODE:	1982	CODE:
1523	{	1983	{
1524	dREQ (REQ_SEQ_OPEN);	1984	dREQ (REQ_SEQ_OPEN, 2);
1525	req->seq = seq;	1985	req->seq = seq;
1526	req->txn = txnid;	1986	req->txn = txnid;
1527	req->uint1 = flags | DB_THREAD;	1987	req->uint1 = flags | DB_THREAD;
1528	sv_to_dbt (&req->dbt1, key);	1988	sv_to_dbt (&req->dbt1, key);
1529	REQ_SEND;	1989	REQ_SEND;
1530	}	1990	}
1531		1991
1532	void	1992	void
1533	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1993	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1994	PREINIT:
		1995	CALLBACK
1534	CODE:	1996	CODE:
1535	{	1997	{
1536	dREQ (REQ_SEQ_CLOSE);	1998	dREQ (REQ_SEQ_CLOSE, 1);
1537	req->seq = seq;	1999	req->seq = seq;
1538	req->uint1 = flags;	2000	req->uint1 = flags;
1539	REQ_SEND;	2001	REQ_SEND;
1540	ptr_nuke (ST (0));	2002	ptr_nuke (ST (0));
1541	}	2003	}
1542		2004
1543	void	2005	void
1544	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)	2006	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2007	PREINIT:
		2008	CALLBACK
1545	CODE:	2009	CODE:
1546	{	2010	{
1547	dREQ (REQ_SEQ_GET);	2011	dREQ (REQ_SEQ_GET, 2);
1548	req->seq = seq;	2012	req->seq = seq;
1549	req->txn = txnid;	2013	req->txn = txnid;
1550	req->int1 = delta;	2014	req->int1 = delta;
1551	req->uint1 = flags;	2015	req->uint1 = flags;
1552	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2016	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1553	REQ_SEND;	2017	REQ_SEND;
1554	}	2018	}
1555		2019
1556	void	2020	void
1557	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2021	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2022	PREINIT:
		2023	CALLBACK
1558	CODE:	2024	CODE:
1559	{	2025	{
1560	dREQ (REQ_SEQ_REMOVE);	2026	dREQ (REQ_SEQ_REMOVE, 2);
1561	req->seq = seq;	2027	req->seq = seq;
1562	req->txn = txnid;	2028	req->txn = txnid;
1563	req->uint1 = flags;	2029	req->uint1 = flags;
1564	REQ_SEND;	2030	REQ_SEND;
1565	}	2031	}
1566		2032
		2033	#endif
		2034
1567		2035
1568	MODULE = BDB PACKAGE = BDB::Env	2036	MODULE = BDB PACKAGE = BDB::Env
1569		2037
1570	void	2038	void
1571	DESTROY (DB_ENV_ornull *env)	2039	DESTROY (DB_ENV_ornuked *env)
1572	CODE:	2040	CODE:
1573	if (env)	2041	if (env)
1574	env->close (env, 0);	2042	env->close (env, 0);
1575		2043
1576	int set_data_dir (DB_ENV *env, const char *dir)	2044	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1601	CODE:	2069	CODE:
1602	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2070	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603	OUTPUT:	2071	OUTPUT:
1604	RETVAL	2072	RETVAL
1605		2073
1606	int set_flags (DB_ENV *env, U32 flags, int onoff)	2074	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607	CODE:	2075	CODE:
1608	RETVAL = env->set_flags (env, flags, onoff);	2076	RETVAL = env->set_flags (env, flags, onoff);
1609	OUTPUT:	2077	OUTPUT:
1610	RETVAL	2078	RETVAL
1611		2079
		2080	#if DB_VERSION_MINOR >= 7
		2081
		2082	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2083	CODE:
		2084	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2085	OUTPUT:
		2086	RETVAL
		2087
		2088	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2089	CODE:
		2090	RETVAL = env->log_set_config (env, flags, onoff);
		2091	OUTPUT:
		2092	RETVAL
		2093
		2094	#endif
		2095
		2096
		2097	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2098	CODE:
		2099	env->set_errfile (env, errfile);
		2100
		2101	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2102	CODE:
		2103	env->set_msgfile (env, msgfile);
		2104
		2105	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2106	CODE:
		2107	RETVAL = env->set_verbose (env, which, onoff);
		2108	OUTPUT:
		2109	RETVAL
		2110
1612	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2111	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613	CODE:	2112	CODE:
1614	RETVAL = env->set_encrypt (env, password, flags);	2113	RETVAL = env->set_encrypt (env, password, flags);
1615	OUTPUT:	2114	OUTPUT:
1616	RETVAL	2115	RETVAL
1617		2116
1618	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2117	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619	CODE:	2118	CODE:
1620	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2119	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621	OUTPUT:	2120	OUTPUT:
1622	RETVAL	2121	RETVAL
1623		2122
…		…
1672	int set_lg_max (DB_ENV *env, U32 max)	2171	int set_lg_max (DB_ENV *env, U32 max)
1673	CODE:	2172	CODE:
1674	RETVAL = env->set_lg_max (env, max);	2173	RETVAL = env->set_lg_max (env, max);
1675	OUTPUT:	2174	OUTPUT:
1676	RETVAL	2175	RETVAL
		2176
		2177	#if DB_VERSION_MINOR >= 4
		2178
		2179	int mutex_set_max (DB_ENV *env, U32 max)
		2180	CODE:
		2181	RETVAL = env->mutex_set_max (env, max);
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	int mutex_set_increment (DB_ENV *env, U32 increment)
		2186	CODE:
		2187	RETVAL = env->mutex_set_increment (env, increment);
		2188	OUTPUT:
		2189	RETVAL
		2190
		2191	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2192	CODE:
		2193	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2194	OUTPUT:
		2195	RETVAL
		2196
		2197	int mutex_set_align (DB_ENV *env, U32 align)
		2198	CODE:
		2199	RETVAL = env->mutex_set_align (env, align);
		2200	OUTPUT:
		2201	RETVAL
		2202
		2203	#endif
1677		2204
1678	DB_TXN *	2205	DB_TXN *
1679	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2206	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680	CODE:	2207	CODE:
1681	errno = env->txn_begin (env, parent, &RETVAL, flags);	2208	errno = env->txn_begin (env, parent, &RETVAL, flags);
1682	if (errno)	2209	if (errno)
1683	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2210	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1684	OUTPUT:	2211	OUTPUT:
1685	RETVAL	2212	RETVAL
1686		2213
		2214	#if DB_VERSION_MINOR >= 5
		2215
		2216	DB_TXN *
		2217	cdsgroup_begin (DB_ENV *env)
		2218	CODE:
		2219	errno = env->cdsgroup_begin (env, &RETVAL);
		2220	if (errno)
		2221	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2222	OUTPUT:
		2223	RETVAL
		2224
		2225	#endif
		2226
1687	MODULE = BDB PACKAGE = BDB::Db	2227	MODULE = BDB PACKAGE = BDB::Db
1688		2228
1689	void	2229	void
1690	DESTROY (DB_ornull *db)	2230	DESTROY (DB_ornuked *db)
1691	CODE:	2231	CODE:
1692	if (db)	2232	if (db)
1693	{	2233	{
1694	SV *env = (SV *)db->app_private;	2234	SV *env = (SV *)db->app_private;
1695	db->close (db, 0);	2235	db->close (db, 0);
…		…
1700	CODE:	2240	CODE:
1701	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2241	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702	OUTPUT:	2242	OUTPUT:
1703	RETVAL	2243	RETVAL
1704		2244
1705	int set_flags (DB *db, U32 flags);	2245	int set_flags (DB *db, U32 flags)
1706	CODE:	2246	CODE:
1707	RETVAL = db->set_flags (db, flags);	2247	RETVAL = db->set_flags (db, flags);
1708	OUTPUT:	2248	OUTPUT:
1709	RETVAL	2249	RETVAL
1710		2250
…		…
1724	CODE:	2264	CODE:
1725	RETVAL = db->set_bt_minkey (db, minkey);	2265	RETVAL = db->set_bt_minkey (db, minkey);
1726	OUTPUT:	2266	OUTPUT:
1727	RETVAL	2267	RETVAL
1728		2268
1729	int set_re_delim(DB *db, int delim);	2269	int set_re_delim (DB *db, int delim)
1730	CODE:	2270	CODE:
1731	RETVAL = db->set_re_delim (db, delim);	2271	RETVAL = db->set_re_delim (db, delim);
1732	OUTPUT:	2272	OUTPUT:
1733	RETVAL	2273	RETVAL
1734		2274
…		…
1775	if (errno)	2315	if (errno)
1776	croak ("DB->cursor: %s", db_strerror (errno));	2316	croak ("DB->cursor: %s", db_strerror (errno));
1777	OUTPUT:	2317	OUTPUT:
1778	RETVAL	2318	RETVAL
1779		2319
		2320	#if DB_VERSION_MINOR >= 3
		2321
1780	DB_SEQUENCE *	2322	DB_SEQUENCE *
1781	sequence (DB *db, U32 flags = 0)	2323	sequence (DB *db, U32 flags = 0)
1782	CODE:	2324	CODE:
1783	{	2325	{
1784	errno = db_sequence_create (&RETVAL, db, flags);	2326	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1786	croak ("db_sequence_create: %s", db_strerror (errno));	2328	croak ("db_sequence_create: %s", db_strerror (errno));
1787	}	2329	}
1788	OUTPUT:	2330	OUTPUT:
1789	RETVAL	2331	RETVAL
1790		2332
		2333	#endif
		2334
1791		2335
1792	MODULE = BDB PACKAGE = BDB::Txn	2336	MODULE = BDB PACKAGE = BDB::Txn
1793		2337
1794	void	2338	void
1795	DESTROY (DB_TXN_ornull *txn)	2339	DESTROY (DB_TXN_ornuked *txn)
1796	CODE:	2340	CODE:
1797	if (txn)	2341	if (txn)
1798	txn->abort (txn);	2342	txn->abort (txn);
1799		2343
1800	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2344	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801	CODE:	2345	CODE:
1802	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2346	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803	OUTPUT:	2347	OUTPUT:
1804	RETVAL	2348	RETVAL
1805		2349
		2350	int failed (DB_TXN *txn)
		2351	CODE:
		2352	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2353	OUTPUT:
		2354	RETVAL
		2355
1806		2356
1807	MODULE = BDB PACKAGE = BDB::Cursor	2357	MODULE = BDB PACKAGE = BDB::Cursor
1808		2358
1809	void	2359	void
1810	DESTROY (DBC_ornull *dbc)	2360	DESTROY (DBC_ornuked *dbc)
1811	CODE:	2361	CODE:
1812	if (dbc)	2362	if (dbc)
1813	dbc->c_close (dbc);	2363	dbc->c_close (dbc);
1814		2364
		2365	#if DB_VERSION_MINOR >= 6
		2366
		2367	int set_priority (DBC *dbc, int priority)
		2368	CODE:
		2369	dbc->set_priority (dbc, priority);
		2370
		2371	#endif
		2372
		2373	#if DB_VERSION_MINOR >= 3
		2374
1815	MODULE = BDB PACKAGE = BDB::Sequence	2375	MODULE = BDB PACKAGE = BDB::Sequence
1816		2376
1817	void	2377	void
1818	DESTROY (DB_SEQUENCE_ornull *seq)	2378	DESTROY (DB_SEQUENCE_ornuked *seq)
1819	CODE:	2379	CODE:
1820	if (seq)	2380	if (seq)
1821	seq->close (seq, 0);	2381	seq->close (seq, 0);
1822		2382
1823	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2383	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1842	CODE:	2402	CODE:
1843	RETVAL = seq->set_range (seq, min, max);	2403	RETVAL = seq->set_range (seq, min, max);
1844	OUTPUT:	2404	OUTPUT:
1845	RETVAL	2405	RETVAL
1846		2406
		2407	#endif
		2408
		2409

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