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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 2007 UTC vs.
Revision 1.65 by root, Fri Jan 2 22:37:51 2009 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	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
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	42
35	* on have atomic word read/writes.	43	typedef DB_ENV DB_ENV_ornull;
36	*/	44	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	45	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	46	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	47
40	# else	48	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
		54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	56	#endif
43	#endif
44		57
45	typedef DB_ENV DB_ENV_ornull;	58	typedef char *bdb_filename;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49
50	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;
52		59
53	static SV *prepare_cb;	60	static SV *prepare_cb;
54		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
55	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 *
56	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
57	{	116	{
58	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
59	}	118	}
60		119
61	inline void	120	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	121	sv_to_dbt (DBT *dbt, SV *sv)
63	{	122	{
64	STRLEN len;	123	STRLEN len;
65	char *data = SvPVbyte (sv, len);	124	char *data = SvPVbyte (sv, len);
66		125
67	dbt->data = malloc (len);	126	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	127	memcpy (dbt->data, data, len);
69	dbt->size = len;	128	dbt->size = len;
		129	dbt->flags = DB_DBT_REALLOC;
70	}	130	}
71		131
72	inline void	132	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	133	dbt_to_sv (SV *sv, DBT *dbt)
74	{	134	{
		135	if (sv)
		136	{
75	SvREADONLY_off (sv);	137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
76	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
		144	SvREFCNT_dec (sv);
		145	}
77		146
78	free (dbt->data);	147	free (dbt->data);
79	}	148	}
80		149
81	enum {	150	enum {
82	REQ_QUIT,	151	REQ_QUIT,
83	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	REQ_ENV_LOG_ARCHIVE,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
86	};	160	};
87		161
88	typedef struct aio_cb	162	typedef struct bdb_cb
89	{	163	{
90	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
91	SV *callback;	165	SV *callback;
92	int type, pri, result;	166	int type, pri, result;
93		167
94	DB_ENV *env;	168	DB_ENV *env;
95	DB *db;	169	DB *db;
96	DB_TXN *txn;	170	DB_TXN *txn;
97	DBC *cursor;	171	DBC *dbc;
		172
		173	UV uv1;
98	int int1, int2;	174	int int1, int2;
99	U32 uint1, uint2;	175	U32 uint1, uint2;
100	char *buf1, *buf2;	176	char *buf1, *buf2, *buf3;
101	SV *sv1, *sv2;	177	SV *sv1, *sv2, *sv3;
102		178
103	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
105		185
		186	SV *rsv1, *rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
106	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
107		190
108	enum {	191	enum {
109	PRI_MIN = -4,	192	PRI_MIN = -4,
110	PRI_MAX = 4,	193	PRI_MAX = 4,
111		194
…		…
114	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
115	};	198	};
116		199
117	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
118		201
		202	static SV *on_next_submit;
		203
119	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
120	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
121		206
122	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
123	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	208	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
128		213
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		215
131	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
132		217
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	218	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
144		220
145	typedef struct worker {	221	typedef struct worker {
146	/* locked by wrklock */	222	/* locked by wrklock */
147	struct worker *prev, *next;	223	struct worker *prev, *next;
148		224
149	pthread_t tid;	225	thread_t tid;
150		226
151	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
153	void *dbuf;	229	void *dbuf;
154	DIR *dirp;	230	DIR *dirp;
155	} worker;	231	} worker;
156		232
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	245	}
170		246
171	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		251
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
179		255
180	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
181		257
182	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
183	{	259	{
184	unsigned int retval;	260	unsigned int retval;
185		261
186	LOCK (reqlock);	262	X_LOCK (reqlock);
187	retval = nready;	263	retval = nready;
188	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
189		265
190	return retval;	266	return retval;
191	}	267	}
192		268
193	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
194	{	270	{
195	unsigned int retval;	271	unsigned int retval;
196		272
197	LOCK (reslock);	273	X_LOCK (reslock);
198	retval = npending;	274	retval = npending;
199	UNLOCK (reslock);	275	X_UNLOCK (reslock);
200		276
201	return retval;	277	return retval;
202	}	278	}
203		279
204	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
205	{	281	{
206	unsigned int retval;	282	unsigned int retval;
207		283
208	LOCK (wrklock);	284	X_LOCK (wrklock);
209	retval = started;	285	retval = started;
210	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
211		287
212	return retval;	288	return retval;
213	}	289	}
214		290
215	#else	291	#else
…		…
224	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
227	*/	303	*/
228	typedef struct {	304	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	306	int size;
231	} reqq;	307	} reqq;
232		308
233	static reqq req_queue;	309	static reqq req_queue;
234	static reqq res_queue;	310	static reqq res_queue;
235		311
236	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
237	{	313	{
238	int pri = req->pri;	314	int pri = req->pri;
239	req->next = 0;	315	req->next = 0;
240		316
241	if (q->qe[pri])	317	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
248		324
249	return q->size++;	325	return q->size++;
250	}	326	}
251		327
252	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
253	{	329	{
254	int pri;	330	int pri;
255		331
256	if (!q->size)	332	if (!q->size)
257	return 0;	333	return 0;
258		334
259	--q->size;	335	--q->size;
260		336
261	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
262	{	338	{
263	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
264		340
265	if (req)	341	if (req)
266	{	342	{
267	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
272	}	348	}
273		349
274	abort ();	350	abort ();
275	}	351	}
276		352
277	static int poll_cb ();	353	static int poll_cb (void);
278	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);
280		355
281	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
282	{	357	{
283	dSP;	358	switch (req->type)
284
285	if (SvOK (req->callback))
286	{	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
287	ENTER;	430	ENTER;
288	SAVETMPS;	431	SAVETMPS;
289	PUSHMARK (SP);	432	PUSHMARK (SP);
290	EXTEND (SP, 1);
291
292	switch (req->type)
293	{
294	case REQ_DB_GET:
295	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);
297	SvREFCNT_dec (req->sv1);
298	break;
299
300	case REQ_DB_CLOSE:
301	SvREFCNT_dec (req->sv1);
302	break;
303	}
304
305	errno = req->result;
306		433
307	PUTBACK;	434	PUTBACK;
308	call_sv (req->callback, G_VOID | G_EVAL);	435	call_sv (req->callback, G_VOID | G_EVAL);
309	SPAGAIN;	436	SPAGAIN;
310		437
311	FREETMPS;	438	FREETMPS;
312	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
313	}	442	}
314		443
315	return !SvTRUE (ERRSV);	444	return 1;
316	}	445	}
317		446
318	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
319	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
320	free (req->buf1);	454	free (req->buf1);
321	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
322	Safefree (req);	458	Safefree (req);
323	}	459	}
324		460
325	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 EV_SELECT_IS_WINSOCKET 1
		465	# define TO_SOCKET(x) (x)
		466	#endif
		467
		468	#ifdef _WIN32
		469	/* taken verbatim from libev's ev_win32.c */
		470	/* oh, the humanity! */
		471	static int
		472	ev_pipe (int filedes [2])
		473	{
		474	struct sockaddr_in addr = { 0 };
		475	int addr_size = sizeof (addr);
		476	struct sockaddr_in adr2;
		477	int adr2_size;
		478	SOCKET listener;
		479	SOCKET sock [2] = { -1, -1 };
		480
		481	if ((listener = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		482	return -1;
		483
		484	addr.sin_family = AF_INET;
		485	addr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
		486	addr.sin_port = 0;
		487
		488	if (bind (listener, (struct sockaddr *)&addr, addr_size))
		489	goto fail;
		490
		491	if (getsockname (listener, (struct sockaddr *)&addr, &addr_size))
		492	goto fail;
		493
		494	if (listen (listener, 1))
		495	goto fail;
		496
		497	if ((sock [0] = socket (AF_INET, SOCK_STREAM, 0)) == INVALID_SOCKET)
		498	goto fail;
		499
		500	if (connect (sock [0], (struct sockaddr *)&addr, addr_size))
		501	goto fail;
		502
		503	if ((sock [1] = accept (listener, 0, 0)) < 0)
		504	goto fail;
		505
		506	/* windows vista returns fantasy port numbers for getpeername.
		507	* example for two interconnected tcp sockets:
		508	*
		509	* (Socket::unpack_sockaddr_in getsockname $sock0)[0] == 53364
		510	* (Socket::unpack_sockaddr_in getpeername $sock0)[0] == 53363
		511	* (Socket::unpack_sockaddr_in getsockname $sock1)[0] == 53363
		512	* (Socket::unpack_sockaddr_in getpeername $sock1)[0] == 53365
		513	*
		514	* wow! tridirectional sockets!
		515	*
		516	* this way of checking ports seems to work:
		517	*/
		518	if (getpeername (sock [0], (struct sockaddr *)&addr, &addr_size))
		519	goto fail;
		520
		521	if (getsockname (sock [1], (struct sockaddr *)&adr2, &adr2_size))
		522	goto fail;
		523
		524	errno = WSAEINVAL;
		525	if (addr_size != adr2_size
		526	|| addr.sin_addr.s_addr != adr2.sin_addr.s_addr /* just to be sure, I mean, it's windows */
		527	|| addr.sin_port != adr2.sin_port)
		528	goto fail;
		529
		530	closesocket (listener);
		531
		532	#if EV_SELECT_IS_WINSOCKET
		533	filedes [0] = _open_osfhandle (sock [0], 0);
		534	filedes [1] = _open_osfhandle (sock [1], 0);
		535	#else
		536	/* when select isn't winsocket, we also expect socket, connect, accept etc.
		537	* to work on fds */
		538	filedes [0] = sock [0];
		539	filedes [1] = sock [1];
		540	#endif
		541
		542	return 0;
		543
		544	fail:
		545	closesocket (listener);
		546
		547	if (sock [0] != INVALID_SOCKET) closesocket (sock [0]);
		548	if (sock [1] != INVALID_SOCKET) closesocket (sock [1]);
		549
		550	return -1;
		551	}
		552	#endif
		553
		554	static void
		555	create_respipe (void)
		556	{
		557	#ifdef _WIN32
		558	int arg; /* argg */
		559	#endif
		560	int old_readfd = respipe [0];
		561
		562	if (respipe [1] >= 0)
		563	respipe_close (TO_SOCKET (respipe [1]));
		564
		565	#ifdef _WIN32
		566	if (ev_pipe (respipe))
		567	#else
		568	if (pipe (respipe))
		569	#endif
		570	croak ("unable to initialize result pipe");
		571
		572	if (old_readfd >= 0)
		573	{
		574	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		575	croak ("unable to initialize result pipe(2)");
		576
		577	respipe_close (respipe [0]);
		578	respipe [0] = old_readfd;
		579	}
		580
		581	#ifdef _WIN32
		582	arg = 1;
		583	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		584	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		585	#else
		586	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		587	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		588	#endif
		589	croak ("unable to initialize result pipe(3)");
		590
		591	respipe_osf [0] = TO_SOCKET (respipe [0]);
		592	respipe_osf [1] = TO_SOCKET (respipe [1]);
		593	}
		594
		595	static void bdb_request (bdb_req req);
		596	X_THREAD_PROC (bdb_proc);
326		597
327	static void start_thread (void)	598	static void start_thread (void)
328	{	599	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	600	worker *wrk = calloc (1, sizeof (worker));
333		601
334	if (!wrk)	602	if (!wrk)
335	croak ("unable to allocate worker thread data");	603	croak ("unable to allocate worker thread data");
336		604
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	605	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	606	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	607	{
350	wrk->prev = &wrk_first;	608	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	609	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	610	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	611	wrk_first.next = wrk;
354	++started;	612	++started;
355	}	613	}
356	else	614	else
357	free (wrk);	615	free (wrk);
358		616
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	617	X_UNLOCK (wrklock);
361	}	618	}
362		619
363	static void maybe_start_thread ()	620	static void maybe_start_thread (void)
364	{	621	{
365	if (get_nthreads () >= wanted)	622	if (get_nthreads () >= wanted)
366	return;	623	return;
367		624
368	/* todo: maybe use idle here, but might be less exact */	625	/* todo: maybe use idle here, but might be less exact */
…		…
370	return;	627	return;
371		628
372	start_thread ();	629	start_thread ();
373	}	630	}
374		631
375	static void req_send (aio_req req)	632	static void req_send (bdb_req req)
376	{	633	{
377	SV *wait_callback = 0;	634	SV *wait_callback = 0;
378		635
379	// synthesize callback if none given	636	if (on_next_submit)
380	if (!SvOK (req->callback))
381	{	637	{
382	dSP;	638	dSP;
		639	SV *cb = sv_2mortal (on_next_submit);
		640
		641	on_next_submit = 0;
		642
383	PUSHMARK (SP);	643	PUSHMARK (SP);
384	PUTBACK;	644	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	645	call_sv (cb, G_DISCARD | G_EVAL);
386	SPAGAIN;	646	SPAGAIN;
387
388	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");
390
391	wait_callback = SvREFCNT_inc (POPs);
392	SvREFCNT_dec (req->callback);
393	req->callback = SvREFCNT_inc (POPs);
394	}	647	}
395		648
		649	// synthesize callback if none given
		650	if (!req->callback)
		651	{
		652	if (SvOK (prepare_cb))
		653	{
		654	int count;
		655
		656	dSP;
		657	PUSHMARK (SP);
		658	PUTBACK;
		659	count = call_sv (prepare_cb, G_ARRAY);
		660	SPAGAIN;
		661
		662	if (count != 2)
		663	croak ("sync prepare callback must return exactly two values\n");
		664
		665	wait_callback = POPs;
		666	req->callback = SvREFCNT_inc (POPs);
		667	}
		668	else
		669	{
		670	// execute request synchronously
		671	bdb_request (req);
		672	req_invoke (req);
		673	req_free (req);
		674	return;
		675	}
		676	}
		677
396	++nreqs;	678	++nreqs;
397		679
398	LOCK (reqlock);	680	X_LOCK (reqlock);
399	++nready;	681	++nready;
400	reqq_push (&req_queue, req);	682	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	683	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	684	X_UNLOCK (reqlock);
403		685
404	maybe_start_thread ();	686	maybe_start_thread ();
405		687
406	if (wait_callback)	688	if (wait_callback)
407	{	689	{
408	dSP;	690	dSP;
409	PUSHMARK (SP);	691	PUSHMARK (SP);
410	PUTBACK;	692	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	693	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	694	}
414	}	695	}
415		696
416	static void end_thread (void)	697	static void end_thread (void)
417	{	698	{
418	aio_req req;	699	bdb_req req = calloc (1, sizeof (bdb_cb));
419
420	Newz (0, req, 1, aio_cb);
421		700
422	req->type = REQ_QUIT;	701	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	702	req->pri = PRI_MAX + PRI_BIAS;
424		703
425	LOCK (reqlock);	704	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	705	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	706	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	707	X_UNLOCK (reqlock);
429		708
430	LOCK (wrklock);	709	X_LOCK (wrklock);
431	--started;	710	--started;
432	UNLOCK (wrklock);	711	X_UNLOCK (wrklock);
433	}	712	}
434		713
435	static void set_max_idle (int nthreads)	714	static void set_max_idle (int nthreads)
436	{	715	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	716	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	717	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	718	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	719	}
441		720
442	static void min_parallel (int nthreads)	721	static void min_parallel (int nthreads)
443	{	722	{
444	if (wanted < nthreads)	723	if (wanted < nthreads)
…		…
452		731
453	while (started > wanted)	732	while (started > wanted)
454	end_thread ();	733	end_thread ();
455	}	734	}
456		735
457	static void poll_wait ()	736	static void poll_wait (void)
458	{	737	{
459	fd_set rfd;	738	fd_set rfd;
460		739
461	while (nreqs)	740	while (nreqs)
462	{	741	{
463	int size;	742	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	743	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	744	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	745	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		746
468	if (size)	747	if (size)
469	return;	748	return;
470		749
471	maybe_start_thread ();	750	maybe_start_thread ();
472		751
473	FD_ZERO(&rfd);	752	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	753	FD_SET (respipe [0], &rfd);
475		754
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	755	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	756	}
478	}	757	}
479		758
480	static int poll_cb ()	759	static int poll_cb (void)
481	{	760	{
482	dSP;	761	dSP;
483	int count = 0;	762	int count = 0;
484	int maxreqs = max_poll_reqs;	763	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	764	int do_croak = 0;
486	struct timeval tv_start, tv_now;	765	struct timeval tv_start, tv_now;
487	aio_req req;	766	bdb_req req;
488		767
489	if (max_poll_time)	768	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	769	gettimeofday (&tv_start, 0);
491		770
492	for (;;)	771	for (;;)
493	{	772	{
494	for (;;)	773	for (;;)
495	{	774	{
496	maybe_start_thread ();	775	maybe_start_thread ();
497		776
498	LOCK (reslock);	777	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	778	req = reqq_shift (&res_queue);
500		779
501	if (req)	780	if (req)
502	{	781	{
503	--npending;	782	--npending;
504		783
505	if (!res_queue.size)	784	if (!res_queue.size)
506	{	785	{
507	/* read any signals sent by the worker threads */	786	/* read any signals sent by the worker threads */
508	char buf [4];	787	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	788	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	789	;
511	}	790	}
512	}	791	}
513		792
514	UNLOCK (reslock);	793	X_UNLOCK (reslock);
515		794
516	if (!req)	795	if (!req)
517	break;	796	break;
518		797
519	--nreqs;	798	--nreqs;
…		…
549	}	828	}
550		829
551	return count;	830	return count;
552	}	831	}
553		832
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	833	/*****************************************************************************/
567		834
568	static void *aio_proc (void *thr_arg)	835	static void
		836	bdb_request (bdb_req req)
569	{	837	{
		838	switch (req->type)
		839	{
		840	case REQ_ENV_OPEN:
		841	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		842	break;
		843
		844	case REQ_ENV_CLOSE:
		845	req->result = req->env->close (req->env, req->uint1);
		846	break;
		847
		848	case REQ_ENV_TXN_CHECKPOINT:
		849	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		850	break;
		851
		852	case REQ_ENV_LOCK_DETECT:
		853	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		854	break;
		855
		856	case REQ_ENV_MEMP_SYNC:
		857	req->result = req->env->memp_sync (req->env, 0);
		858	break;
		859
		860	case REQ_ENV_MEMP_TRICKLE:
		861	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		862	break;
		863
		864	case REQ_ENV_DBREMOVE:
		865	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		866	break;
		867
		868	case REQ_ENV_DBRENAME:
		869	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		870	break;
		871
		872	case REQ_DB_OPEN:
		873	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		874	break;
		875
		876	case REQ_DB_CLOSE:
		877	req->result = req->db->close (req->db, req->uint1);
		878	break;
		879
		880	#if DB_VERSION_MINOR >= 4
		881	case REQ_DB_COMPACT:
		882	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);
		883	break;
		884	#endif
		885
		886	case REQ_DB_SYNC:
		887	req->result = req->db->sync (req->db, req->uint1);
		888	break;
		889
		890	case REQ_DB_UPGRADE:
		891	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		892	break;
		893
		894	case REQ_DB_PUT:
		895	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		896	break;
		897
		898	#if DB_VERSION_MINOR >= 6
		899	case REQ_DB_EXISTS:
		900	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		901	break;
		902	#endif
		903	case REQ_DB_GET:
		904	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		905	break;
		906
		907	case REQ_DB_PGET:
		908	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		909	break;
		910
		911	case REQ_DB_DEL:
		912	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		913	break;
		914
		915	case REQ_DB_KEY_RANGE:
		916	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		917	break;
		918
		919	case REQ_TXN_COMMIT:
		920	req->result = req->txn->commit (req->txn, req->uint1);
		921	break;
		922
		923	case REQ_TXN_ABORT:
		924	req->result = req->txn->abort (req->txn);
		925	break;
		926
		927	case REQ_TXN_FINISH:
		928	if (req->txn->flags & TXN_DEADLOCK)
		929	{
		930	req->result = req->txn->abort (req->txn);
		931	if (!req->result)
		932	req->result = DB_LOCK_DEADLOCK;
		933	}
		934	else
		935	req->result = req->txn->commit (req->txn, req->uint1);
		936	break;
		937
		938	case REQ_C_CLOSE:
		939	req->result = req->dbc->c_close (req->dbc);
		940	break;
		941
		942	case REQ_C_COUNT:
		943	{
		944	db_recno_t recno;
		945	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		946	req->uv1 = recno;
		947	}
		948	break;
		949
		950	case REQ_C_PUT:
		951	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		952	break;
		953
		954	case REQ_C_GET:
		955	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		956	break;
		957
		958	case REQ_C_PGET:
		959	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		960	break;
		961
		962	case REQ_C_DEL:
		963	req->result = req->dbc->c_del (req->dbc, req->uint1);
		964	break;
		965
		966	#if DB_VERSION_MINOR >= 3
		967	case REQ_SEQ_OPEN:
		968	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		969	break;
		970
		971	case REQ_SEQ_CLOSE:
		972	req->result = req->seq->close (req->seq, req->uint1);
		973	break;
		974
		975	case REQ_SEQ_GET:
		976	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		977	break;
		978
		979	case REQ_SEQ_REMOVE:
		980	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		981	break;
		982	#endif
		983
		984	case REQ_ENV_LOG_ARCHIVE:
		985	{
		986	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		987	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		988	req->buf1 = (char *)listp;
		989	}
		990	break;
		991
		992	default:
		993	req->result = ENOSYS;
		994	break;
		995	}
		996
		997	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		998	req->txn->flags |= TXN_DEADLOCK;
		999	}
		1000
		1001	X_THREAD_PROC (bdb_proc)
		1002	{
570	aio_req req;	1003	bdb_req req;
571	struct timespec ts;	1004	struct timespec ts;
572	worker *self = (worker *)thr_arg;	1005	worker *self = (worker *)thr_arg;
573		1006
574	/* try to distribute timeouts somewhat evenly */	1007	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	1008	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		1009
578	for (;;)	1010	for (;;)
579	{	1011	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1012	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		1013
582	LOCK (reqlock);	1014	X_LOCK (reqlock);
583		1015
584	for (;;)	1016	for (;;)
585	{	1017	{
586	self->req = req = reqq_shift (&req_queue);	1018	self->req = req = reqq_shift (&req_queue);
587		1019
588	if (req)	1020	if (req)
589	break;	1021	break;
590		1022
591	++idle;	1023	++idle;
592		1024
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	1025	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	1026	== ETIMEDOUT)
595	{	1027	{
596	if (idle > max_idle)	1028	if (idle > max_idle)
597	{	1029	{
598	--idle;	1030	--idle;
599	UNLOCK (reqlock);	1031	X_UNLOCK (reqlock);
600	LOCK (wrklock);	1032	X_LOCK (wrklock);
601	--started;	1033	--started;
602	UNLOCK (wrklock);	1034	X_UNLOCK (wrklock);
603	goto quit;	1035	goto quit;
604	}	1036	}
605		1037
606	/* we are allowed to idle, so do so without any timeout */	1038	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	1039	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	1040	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	1041	}
610		1042
611	--idle;	1043	--idle;
612	}	1044	}
613		1045
614	--nready;	1046	--nready;
615		1047
616	UNLOCK (reqlock);	1048	X_UNLOCK (reqlock);
617		1049
618	switch (req->type)	1050	if (req->type == REQ_QUIT)
619	{	1051	{
620	case REQ_QUIT:	1052	X_LOCK (reslock);
		1053	free (req);
		1054	self->req = 0;
		1055	X_UNLOCK (reslock);
		1056
621	goto quit;	1057	goto quit;
622
623	case REQ_ENV_OPEN:
624	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
625	break;
626
627	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);
629	break;
630
631	case REQ_DB_OPEN:
632	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
633	break;
634
635	case REQ_DB_CLOSE:
636	req->result = req->db->close (req->db, req->uint1);
637	break;
638
639	case REQ_DB_COMPACT:
640	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
641	break;
642
643	case REQ_DB_SYNC:
644	req->result = req->db->sync (req->db, req->uint1);
645	break;
646
647	case REQ_DB_PUT:
648	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
649	break;
650
651	case REQ_DB_GET:
652	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
653	break;
654
655	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;
658
659	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);
661	break;
662
663	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);
665	break;
666
667	default:
668	req->result = ENOSYS;
669	break;
670	}	1058	}
671		1059
		1060	bdb_request (req);
		1061
672	LOCK (reslock);	1062	X_LOCK (reslock);
673		1063
674	++npending;	1064	++npending;
675		1065
676	if (!reqq_push (&res_queue, req))	1066	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	1067	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	1068	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		1069
680	self->req = 0;	1070	self->req = 0;
681	worker_clear (self);	1071	worker_clear (self);
682		1072
683	UNLOCK (reslock);	1073	X_UNLOCK (reslock);
684	}	1074	}
685		1075
686	quit:	1076	quit:
687	LOCK (wrklock);	1077	X_LOCK (wrklock);
688	worker_free (self);	1078	worker_free (self);
689	UNLOCK (wrklock);	1079	X_UNLOCK (wrklock);
690		1080
691	return 0;	1081	return 0;
692	}	1082	}
693		1083
694	/*****************************************************************************/	1084	/*****************************************************************************/
695		1085
696	static void atfork_prepare (void)	1086	static void atfork_prepare (void)
697	{	1087	{
698	LOCK (wrklock);	1088	X_LOCK (wrklock);
699	LOCK (reqlock);	1089	X_LOCK (reqlock);
700	LOCK (reslock);	1090	X_LOCK (reslock);
701	}	1091	}
702		1092
703	static void atfork_parent (void)	1093	static void atfork_parent (void)
704	{	1094	{
705	UNLOCK (reslock);	1095	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	1096	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	1097	X_UNLOCK (wrklock);
708	}	1098	}
709		1099
710	static void atfork_child (void)	1100	static void atfork_child (void)
711	{	1101	{
712	aio_req prv;	1102	bdb_req prv;
713		1103
714	while (prv = reqq_shift (&req_queue))	1104	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	1105	req_free (prv);
716		1106
717	while (prv = reqq_shift (&res_queue))	1107	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	1122	idle = 0;
733	nreqs = 0;	1123	nreqs = 0;
734	nready = 0;	1124	nready = 0;
735	npending = 0;	1125	npending = 0;
736		1126
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	1127	create_respipe ();
740		1128
741	atfork_parent ();	1129	atfork_parent ();
742	}	1130	}
743		1131
744	#define dREQ(reqtype) \	1132	#define dREQ(reqtype,rsvcnt) \
745	aio_req req; \	1133	bdb_req req; \
746	int req_pri = next_pri; \	1134	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	1135	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	1136	\
749	if (SvOK (callback) && !SvROK (callback)) \	1137	if (callback && SvOK (callback)) \
750	croak ("callback must be undef or of reference type"); \	1138	croak ("callback has illegal type or extra arguments"); \
751	\	1139	\
752	Newz (0, req, 1, aio_cb); \	1140	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	1141	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	1142	croak ("out of memory during bdb_req allocation"); \
755	\	1143	\
756	req->callback = newSVsv (callback); \	1144	req->callback = SvREFCNT_inc (cb); \
757	req->type = (reqtype); \	1145	req->type = (reqtype); \
758	req->pri = req_pri	1146	req->pri = req_pri; \
		1147	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1148	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1149	(void)0;
759		1150
760	#define REQ_SEND \	1151	#define REQ_SEND \
761	req_send (req)	1152	req_send (req)
762		1153
763	#define SvPTR(var, arg, type, class, nullok) \	1154	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	1155	if (!SvOK (arg)) \
765	{ \	1156	{ \
766	if (!nullok) \	1157	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	1158	croak (# var " must be a " # class " object, not undef"); \
768	\	1159	\
769	(var) = 0; \	1160	(var) = 0; \
770	} \	1161	} \
771	else if (sv_derived_from ((arg), # class)) \	1162	else if (sv_derived_from ((arg), # class)) \
772	{ \	1163	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	1164	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	1165	(var) = INT2PTR (type, tmp); \
775	if (!var) \	1166	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	1167	croak (# var " is not a valid " # class " object anymore"); \
777	} \	1168	} \
778	else \	1169	else \
779	Perl_croak (# var " is not of type " # class); \	1170	croak (# var " is not of type " # class);
780	\	1171
		1172	#define ARG_MUTABLE(name) \
		1173	if (SvREADONLY (name)) \
		1174	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
781		1175
782	static void	1176	static void
783	ptr_nuke (SV *sv)	1177	ptr_nuke (SV *sv)
784	{	1178	{
785	assert (SvROK (sv));	1179	assert (SvROK (sv));
786	sv_setiv (SvRV (sv), 0);	1180	sv_setiv (SvRV (sv), 0);
787	}	1181	}
		1182
		1183	static int
		1184	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1185	{
		1186	if (*mg->mg_ptr == '!') // should always be the case
		1187	if (-30999 <= errno && errno <= -30800)
		1188	{
		1189	sv_setnv (sv, (NV)errno);
		1190	sv_setpv (sv, db_strerror (errno));
		1191	SvNOK_on (sv); /* what a wonderful hack! */
		1192	// ^^^ copied from perl sources
		1193	return 0;
		1194	}
		1195
		1196	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1197	}
		1198
		1199	static MGVTBL vtbl_errno;
		1200
		1201	// this wonderful hack :( patches perl's $! variable to support our errno values
		1202	static void
		1203	patch_errno (void)
		1204	{
		1205	SV *sv;
		1206	MAGIC *mg;
		1207
		1208	if (!(sv = get_sv ("!", 1)))
		1209	return;
		1210
		1211	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1212	return;
		1213
		1214	if (mg->mg_virtual != &PL_vtbl_sv)
		1215	return;
		1216
		1217	vtbl_errno = PL_vtbl_sv;
		1218	vtbl_errno.svt_get = errno_get;
		1219	mg->mg_virtual = &vtbl_errno;
		1220	}
		1221
		1222	#if __GNUC__ >= 4
		1223	# define noinline __attribute__ ((noinline))
		1224	#else
		1225	# define noinline
		1226	#endif
		1227
		1228	static noinline SV *
		1229	pop_callback (I32 *ritems, SV *sv)
		1230	{
		1231	if (SvROK (sv))
		1232	{
		1233	HV *st;
		1234	GV *gvp;
		1235	CV *cv;
		1236	const char *name;
		1237
		1238	/* forgive me */
		1239	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1240	&& (st = SvSTASH (SvRV (sv)))
		1241	&& (name = HvNAME_get (st))
		1242	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1243	return 0;
		1244
		1245	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1246	{
		1247	--*ritems;
		1248	return (SV *)cv;
		1249	}
		1250	}
		1251
		1252	return 0;
		1253	}
		1254
		1255	/*****************************************************************************/
		1256
		1257	#if 0
		1258	static int
		1259	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1260	{
		1261	ssize_t size1 = dbt1->size;
		1262	ssize_t size2 = dbt2->size;
		1263	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1264	size1 <= size2 ? size1 : size2);
		1265
		1266	if (res)
		1267	return res;
		1268	else if (size1 - size2)
		1269	return size1 - size2;
		1270	else
		1271	return 0;
		1272	}
		1273
		1274	static size_t
		1275	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1276	{
		1277	ssize_t size1 = dbt1->size;
		1278	ssize_t size2 = dbt2->size;
		1279	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1280	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1281	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1282
		1283	while (p1 < pe)
		1284	if (*p1++ != *p2++)
		1285	return p1 - (u_int8_t *)dbt1->data - 1;
		1286
		1287	if (size1 < size2) return size1 + 1;
		1288	if (size1 > size2) return size2 + 1;
		1289
		1290	return size1;
		1291	}
		1292	#endif
		1293
		1294	/*****************************************************************************/
		1295
		1296	/* stupid windows defines CALLBACK as well */
		1297	#undef CALLBACK
		1298	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
788		1299
789	MODULE = BDB PACKAGE = BDB	1300	MODULE = BDB PACKAGE = BDB
790		1301
791	PROTOTYPES: ENABLE	1302	PROTOTYPES: ENABLE
792		1303
…		…
808	const_iv (INIT_TXN)	1319	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1320	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1321	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1322	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1323	const_iv (CREATE)
		1324	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1325	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1326	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1327	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1328	const_iv (PRIVATE)
817	const_iv (REGISTER)
818	const_iv (SYSTEM_MEM)	1329	const_iv (SYSTEM_MEM)
819	const_iv (AUTO_COMMIT)	1330	const_iv (AUTO_COMMIT)
820	const_iv (CDB_ALLDB)	1331	const_iv (CDB_ALLDB)
821	const_iv (DIRECT_DB)	1332	const_iv (DIRECT_DB)
822	const_iv (DIRECT_LOG)
823	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	1333	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1334	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1335	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1336	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1337	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1338	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1339	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1340	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1341	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1342	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1343	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1344	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1345	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1346	const_iv (XA_CREATE)
…		…
843	const_iv (HASH)	1348	const_iv (HASH)
844	const_iv (QUEUE)	1349	const_iv (QUEUE)
845	const_iv (RECNO)	1350	const_iv (RECNO)
846	const_iv (UNKNOWN)	1351	const_iv (UNKNOWN)
847	const_iv (EXCL)	1352	const_iv (EXCL)
848	const_iv (READ_COMMITTED)
849	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1353	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1354	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1355	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1356	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1357	const_iv (DUP)
856	const_iv (DUPSORT)	1358	const_iv (DUPSORT)
857	const_iv (RECNUM)	1359	//const_iv (RECNUM)
858	const_iv (RENUMBER)	1360	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1361	const_iv (REVSPLITOFF)
860	const_iv (INORDER)
861	const_iv (CONSUME)	1362	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1363	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1364	const_iv (GET_BOTH)
		1365	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1366	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1367	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1368	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1369	const_iv (JOIN_ITEM)
		1370	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1371	const_iv (RMW)
869		1372
870	const_iv (NOTFOUND)	1373	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1374	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1375	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1376	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1377	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1378	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1379	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1380	const_iv (SECONDARY_BAD)
878
879	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)
881		1381
882	const_iv (APPEND)	1382	const_iv (APPEND)
883	const_iv (NODUPDATA)	1383	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1384	const_iv (NOOVERWRITE)
885		1385
886	const_iv (TXN_NOWAIT)	1386	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1387	const_iv (TXN_SYNC)
889		1388
890	const_iv (SET_LOCK_TIMEOUT)	1389	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1390	const_iv (SET_TXN_TIMEOUT)
		1391
		1392	const_iv (FIRST)
		1393	const_iv (NEXT)
		1394	const_iv (NEXT_DUP)
		1395	const_iv (NEXT_NODUP)
		1396	const_iv (PREV)
		1397	const_iv (PREV_NODUP)
		1398	const_iv (SET)
		1399	const_iv (SET_RANGE)
		1400	const_iv (LAST)
		1401	const_iv (BEFORE)
		1402	const_iv (AFTER)
		1403	const_iv (CURRENT)
		1404	const_iv (KEYFIRST)
		1405	const_iv (KEYLAST)
		1406	const_iv (NODUPDATA)
		1407
		1408	const_iv (FORCE)
		1409
		1410	const_iv (LOCK_DEFAULT)
		1411	const_iv (LOCK_EXPIRE)
		1412	const_iv (LOCK_MAXLOCKS)
		1413	const_iv (LOCK_MINLOCKS)
		1414	const_iv (LOCK_MINWRITE)
		1415	const_iv (LOCK_OLDEST)
		1416	const_iv (LOCK_RANDOM)
		1417	const_iv (LOCK_YOUNGEST)
		1418
		1419	const_iv (DONOTINDEX)
		1420	const_iv (KEYEMPTY )
		1421	const_iv (KEYEXIST )
		1422	const_iv (LOCK_DEADLOCK)
		1423	const_iv (LOCK_NOTGRANTED)
		1424	const_iv (NOSERVER)
		1425	const_iv (NOSERVER_HOME)
		1426	const_iv (NOSERVER_ID)
		1427	const_iv (NOTFOUND)
		1428	const_iv (PAGE_NOTFOUND)
		1429	const_iv (REP_DUPMASTER)
		1430	const_iv (REP_HANDLE_DEAD)
		1431	const_iv (REP_HOLDELECTION)
		1432	const_iv (REP_ISPERM)
		1433	const_iv (REP_NEWMASTER)
		1434	const_iv (REP_NEWSITE)
		1435	const_iv (REP_NOTPERM)
		1436	const_iv (REP_UNAVAIL)
		1437	const_iv (RUNRECOVERY)
		1438	const_iv (SECONDARY_BAD)
		1439	const_iv (VERIFY_BAD)
		1440
		1441	const_iv (ARCH_ABS)
		1442	const_iv (ARCH_DATA)
		1443	const_iv (ARCH_LOG)
		1444	const_iv (ARCH_REMOVE)
		1445
		1446	const_iv (VERB_DEADLOCK)
		1447	const_iv (VERB_RECOVERY)
		1448	const_iv (VERB_REPLICATION)
		1449	const_iv (VERB_WAITSFOR)
		1450
		1451	const_iv (VERSION_MAJOR)
		1452	const_iv (VERSION_MINOR)
		1453	const_iv (VERSION_PATCH)
		1454	#if DB_VERSION_MINOR >= 3
		1455	const_iv (INORDER)
		1456	const_iv (LOCK_MAXWRITE)
		1457	const_iv (SEQ_DEC)
		1458	const_iv (SEQ_INC)
		1459	const_iv (SEQ_WRAP)
		1460	const_iv (BUFFER_SMALL)
		1461	const_iv (LOG_BUFFER_FULL)
		1462	const_iv (VERSION_MISMATCH)
		1463	#endif
		1464	#if DB_VERSION_MINOR >= 4
		1465	const_iv (REGISTER)
		1466	const_iv (DSYNC_DB)
		1467	const_iv (READ_COMMITTED)
		1468	const_iv (READ_UNCOMMITTED)
		1469	const_iv (REP_IGNORE)
		1470	const_iv (REP_LOCKOUT)
		1471	const_iv (REP_JOIN_FAILURE)
		1472	const_iv (FREE_SPACE)
		1473	const_iv (FREELIST_ONLY)
		1474	const_iv (VERB_REGISTER)
		1475	#endif
		1476	#if DB_VERSION_MINOR >= 5
		1477	const_iv (MULTIVERSION)
		1478	const_iv (TXN_SNAPSHOT)
		1479	#endif
		1480	#if DB_VERSION_MINOR >= 6
		1481	const_iv (PREV_DUP)
		1482	const_iv (PRIORITY_UNCHANGED)
		1483	const_iv (PRIORITY_VERY_LOW)
		1484	const_iv (PRIORITY_LOW)
		1485	const_iv (PRIORITY_DEFAULT)
		1486	const_iv (PRIORITY_HIGH)
		1487	const_iv (PRIORITY_VERY_HIGH)
		1488	const_iv (IGNORE_LEASE)
		1489	#endif
		1490	#if DB_VERSION_MINOR >= 7
		1491	//const_iv (MULTIPLE_KEY)
		1492	const_iv (LOG_DIRECT)
		1493	const_iv (LOG_DSYNC)
		1494	const_iv (LOG_AUTO_REMOVE)
		1495	const_iv (LOG_IN_MEMORY)
		1496	const_iv (LOG_ZERO)
		1497	#else
		1498	const_iv (DIRECT_LOG)
		1499	const_iv (LOG_AUTOREMOVE)
		1500	# if DB_VERSION_MINOR >= 3
		1501	const_iv (DSYNC_LOG)
		1502	const_iv (LOG_INMEMORY)
		1503	# endif
		1504	#endif
892	};	1505	};
893		1506
894	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1507	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1508	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1509
897	create_pipe ();	1510	prepare_cb = &PL_sv_undef;
		1511
		1512	{
		1513	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1514	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1515
		1516	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1517	}
		1518
		1519	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1520
		1521	create_respipe ();
		1522
898	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1523	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1524	patch_errno ();
899	}	1525	}
900		1526
901	void	1527	void
902	max_poll_reqs (int nreqs)	1528	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1529	PROTOTYPE: $
…		…
1022		1648
1023	int	1649	int
1024	nthreads ()	1650	nthreads ()
1025	PROTOTYPE:	1651	PROTOTYPE:
1026	CODE:	1652	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1653	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1654	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1655	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1656	OUTPUT:
1031	RETVAL	1657	RETVAL
1032		1658
1033	void	1659	SV *
1034	set_sync_prepare (SV *cb)	1660	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1661	PROTOTYPE: &
1036	CODE:	1662	CODE:
1037	SvREFCNT_dec (prepare_cb);	1663	RETVAL = prepare_cb;
1038	prepare_cb = newSVsv (cb);	1664	prepare_cb = newSVsv (cb);
		1665	OUTPUT:
		1666	RETVAL
		1667
		1668	char *
		1669	strerror (int errorno = errno)
		1670	PROTOTYPE: ;$
		1671	CODE:
		1672	RETVAL = db_strerror (errorno);
		1673	OUTPUT:
		1674	RETVAL
		1675
		1676	void _on_next_submit (SV *cb)
		1677	CODE:
		1678	SvREFCNT_dec (on_next_submit);
		1679	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1039		1680
1040	DB_ENV *	1681	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1682	db_env_create (U32 env_flags = 0)
1042	CODE:	1683	CODE:
1043	{	1684	{
1044	errno = db_env_create (&RETVAL, env_flags);	1685	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1686	if (errno)
1046	croak ("db_env_create: %s", db_strerror (errno));	1687	croak ("db_env_create: %s", db_strerror (errno));
		1688
		1689	if (0)
		1690	{
		1691	RETVAL->set_errcall (RETVAL, debug_errcall);
		1692	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1693	}
1047	}	1694	}
1048	OUTPUT:	1695	OUTPUT:
1049	RETVAL	1696	RETVAL
1050		1697
1051	void	1698	void
1052	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1699	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1700	PREINIT:
		1701	CALLBACK
1053	CODE:	1702	CODE:
1054	{	1703	{
1055	dREQ (REQ_ENV_OPEN);	1704	dREQ (REQ_ENV_OPEN, 1);
1056	req->env = env;	1705	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1706	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1707	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1708	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1709	REQ_SEND;
1061	}	1710	}
1062		1711
1063	void	1712	void
1064	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1713	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1714	PREINIT:
		1715	CALLBACK
1065	CODE:	1716	CODE:
1066	{	1717	{
1067	dREQ (REQ_ENV_CLOSE);	1718	dREQ (REQ_ENV_CLOSE, 0);
		1719	ptr_nuke (ST (0));
1068	req->env = env;	1720	req->env = env;
1069	req->uint1 = flags;	1721	req->uint1 = flags;
1070	REQ_SEND;	1722	REQ_SEND;
1071	ptr_nuke (ST (0));	1723	}
		1724
		1725	void
		1726	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1727	PREINIT:
		1728	CALLBACK
		1729	CODE:
		1730	{
		1731	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1732	req->env = env;
		1733	req->uint1 = kbyte;
		1734	req->int1 = min;
		1735	req->uint2 = flags;
		1736	REQ_SEND;
		1737	}
		1738
		1739	void
		1740	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1741	PREINIT:
		1742	CALLBACK
		1743	CODE:
		1744	{
		1745	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1746	req->env = env;
		1747	req->uint1 = flags;
		1748	req->uint2 = atype;
		1749	/* req->int2 = 0; dummy */
		1750	REQ_SEND;
		1751	}
		1752
		1753	void
		1754	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1755	PREINIT:
		1756	CALLBACK
		1757	CODE:
		1758	{
		1759	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1760	req->env = env;
		1761	REQ_SEND;
		1762	}
		1763
		1764	void
		1765	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1766	PREINIT:
		1767	CALLBACK
		1768	CODE:
		1769	{
		1770	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1771	req->env = env;
		1772	req->int1 = percent;
		1773	REQ_SEND;
		1774	}
		1775
		1776	void
		1777	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1778	PREINIT:
		1779	CALLBACK
		1780	CODE:
		1781	{
		1782	dREQ (REQ_ENV_DBREMOVE, 2);
		1783	req->env = env;
		1784	req->buf1 = strdup_ornull (file);
		1785	req->buf2 = strdup_ornull (database);
		1786	req->uint1 = flags;
		1787	REQ_SEND;
		1788	}
		1789
		1790	void
		1791	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)
		1792	PREINIT:
		1793	CALLBACK
		1794	CODE:
		1795	{
		1796	dREQ (REQ_ENV_DBRENAME, 2);
		1797	req->env = env;
		1798	req->buf1 = strdup_ornull (file);
		1799	req->buf2 = strdup_ornull (database);
		1800	req->buf3 = strdup_ornull (newname);
		1801	req->uint1 = flags;
		1802	REQ_SEND;
		1803	}
		1804
		1805	void
		1806	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1807	PREINIT:
		1808	CALLBACK
		1809	CODE:
		1810	{
		1811	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1812	req->sv1 = SvREFCNT_inc (listp);
		1813	req->env = env;
		1814	req->uint1 = flags;
		1815	REQ_SEND;
1072	}	1816	}
1073		1817
1074	DB *	1818	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1819	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1820	CODE:
1077	{	1821	{
1078	errno = db_create (&RETVAL, env, flags);	1822	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1823	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1824	croak ("db_create: %s", db_strerror (errno));
1081		1825
1082	if (RETVAL)	1826	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1827	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1828	}
1085	OUTPUT:	1829	OUTPUT:
1086	RETVAL	1830	RETVAL
1087		1831
1088	void	1832	void
1089	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1833	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
1090	CODE:	1836	CODE:
1091	{	1837	{
1092	dREQ (REQ_DB_OPEN);	1838	dREQ (REQ_DB_OPEN, 2);
1093	req->db = db;	1839	req->db = db;
1094	req->txn = txnid;	1840	req->txn = txnid;
1095	req->buf1 = strdup_ornull (file);	1841	req->buf1 = strdup_ornull (file);
1096	req->buf2 = strdup_ornull (database);	1842	req->buf2 = strdup_ornull (database);
1097	req->int1 = type;	1843	req->int1 = type;
…		…
1099	req->int2 = mode;	1845	req->int2 = mode;
1100	REQ_SEND;	1846	REQ_SEND;
1101	}	1847	}
1102		1848
1103	void	1849	void
1104	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1850	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1851	PREINIT:
		1852	CALLBACK
1105	CODE:	1853	CODE:
1106	{	1854	{
1107	dREQ (REQ_DB_CLOSE);	1855	dREQ (REQ_DB_CLOSE, 0);
		1856	ptr_nuke (ST (0));
1108	req->db = db;	1857	req->db = db;
1109	req->uint1 = flags;	1858	req->uint1 = flags;
1110	req->sv1 = (SV *)db->app_private;	1859	req->sv1 = (SV *)db->app_private;
1111	REQ_SEND;	1860	REQ_SEND;
1112	ptr_nuke (ST (0));
1113	}	1861	}
1114		1862
		1863	#if DB_VERSION_MINOR >= 4
		1864
1115	void	1865	void
1116	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)	1866	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)
		1867	PREINIT:
		1868	CALLBACK
1117	CODE:	1869	CODE:
1118	{	1870	{
1119	dREQ (REQ_DB_COMPACT);	1871	dREQ (REQ_DB_COMPACT, 2);
1120	req->db = db;	1872	req->db = db;
1121	req->txn = txn;	1873	req->txn = txn;
1122	sv_to_dbt (&req->dbt1, start);	1874	if (start) sv_to_dbt (&req->dbt1, start);
1123	sv_to_dbt (&req->dbt2, stop);	1875	if (stop ) sv_to_dbt (&req->dbt2, stop );
1124	req->uint1 = flags;	1876	req->uint1 = flags;
1125	REQ_SEND;	1877	REQ_SEND;
1126	}	1878	}
1127		1879
		1880	#endif
		1881
1128	void	1882	void
1129	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1883	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1884	PREINIT:
		1885	CALLBACK
1130	CODE:	1886	CODE:
1131	{	1887	{
1132	dREQ (REQ_DB_SYNC);	1888	dREQ (REQ_DB_SYNC, 1);
1133	req->db = db;	1889	req->db = db;
1134	req->uint1 = flags;	1890	req->uint1 = flags;
1135	REQ_SEND;	1891	REQ_SEND;
1136	}	1892	}
1137		1893
1138	void	1894	void
		1895	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1896	PREINIT:
		1897	CALLBACK
		1898	CODE:
		1899	{
		1900	dREQ (REQ_DB_SYNC, 1);
		1901	req->db = db;
		1902	req->buf1 = strdup (file);
		1903	req->uint1 = flags;
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	dREQ (REQ_DB_KEY_RANGE, 2);
		1914	req->db = db;
		1915	req->txn = txn;
		1916	sv_to_dbt (&req->dbt1, key);
		1917	req->uint1 = flags;
		1918	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1919	REQ_SEND;
		1920	}
		1921
		1922	void
1139	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1923	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1924	PREINIT:
		1925	CALLBACK
1140	CODE:	1926	CODE:
1141	{	1927	{
1142	dREQ (REQ_DB_PUT);	1928	dREQ (REQ_DB_PUT, 2);
1143	req->db = db;	1929	req->db = db;
1144	req->txn = txn;	1930	req->txn = txn;
1145	sv_to_dbt (&req->dbt1, key);	1931	sv_to_dbt (&req->dbt1, key);
1146	sv_to_dbt (&req->dbt2, data);	1932	sv_to_dbt (&req->dbt2, data);
1147	req->uint1 = flags;	1933	req->uint1 = flags;
1148	REQ_SEND;	1934	REQ_SEND;
1149	}	1935	}
1150		1936
		1937	#if DB_VERSION_MINOR >= 6
		1938
1151	void	1939	void
1152	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1940	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1941	PREINIT:
		1942	CALLBACK
1153	CODE:	1943	CODE:
1154	{	1944	{
1155	dREQ (REQ_DB_GET);	1945	dREQ (REQ_DB_EXISTS, 2);
1156	req->db = db;	1946	req->db = db;
1157	req->txn = txn;	1947	req->txn = txn;
		1948	req->uint1 = flags;
		1949	sv_to_dbt (&req->dbt1, key);
		1950	REQ_SEND;
		1951	}
		1952
		1953	#endif
		1954
		1955	void
		1956	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1957	PREINIT:
		1958	CALLBACK
		1959	CODE:
		1960	{
		1961	//TODO: key is somtimesmutable
		1962	dREQ (REQ_DB_GET, 2);
		1963	req->db = db;
		1964	req->txn = txn;
		1965	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1966	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1967	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1968	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1969	REQ_SEND;
1164	}	1970	}
1165		1971
1166	void	1972	void
1167	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1973	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1974	PREINIT:
		1975	CALLBACK
1168	CODE:	1976	CODE:
1169	{	1977	{
		1978	//TODO: key is somtimesmutable
1170	dREQ (REQ_DB_PGET);	1979	dREQ (REQ_DB_PGET, 2);
1171	req->db = db;	1980	req->db = db;
1172	req->txn = txn;	1981	req->txn = txn;
		1982	req->uint1 = flags;
		1983
1173	sv_to_dbt (&req->dbt1, key);	1984	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1985
		1986	req->dbt2.flags = DB_DBT_MALLOC;
		1987	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1988
1175	req->dbt3.flags = DB_DBT_MALLOC;	1989	req->dbt3.flags = DB_DBT_MALLOC;
1176	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1990	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1991	REQ_SEND;
1180	}	1992	}
1181		1993
1182	void	1994	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1995	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1996	PREINIT:
		1997	CALLBACK
1184	CODE:	1998	CODE:
1185	{	1999	{
1186	dREQ (REQ_TXN_COMMIT);	2000	dREQ (REQ_DB_DEL, 2);
		2001	req->db = db;
1187	req->txn = txn;	2002	req->txn = txn;
1188	req->uint1 = flags;	2003	req->uint1 = flags;
		2004	sv_to_dbt (&req->dbt1, key);
1189	REQ_SEND;	2005	REQ_SEND;
		2006	}
		2007
		2008	void
		2009	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		2010	PREINIT:
		2011	CALLBACK
		2012	CODE:
		2013	{
		2014	dREQ (REQ_TXN_COMMIT, 0);
1190	ptr_nuke (ST (0));	2015	ptr_nuke (ST (0));
1191	}
1192
1193	void
1194	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1195	CODE:
1196	{
1197	dREQ (REQ_TXN_ABORT);
1198	req->txn = txn;	2016	req->txn = txn;
		2017	req->uint1 = flags;
1199	REQ_SEND;	2018	REQ_SEND;
		2019	}
		2020
		2021	void
		2022	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		2023	PREINIT:
		2024	CALLBACK
		2025	CODE:
		2026	{
		2027	dREQ (REQ_TXN_ABORT, 0);
1200	ptr_nuke (ST (0));	2028	ptr_nuke (ST (0));
		2029	req->txn = txn;
		2030	REQ_SEND;
1201	}	2031	}
		2032
		2033	void
		2034	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		2035	PREINIT:
		2036	CALLBACK
		2037	CODE:
		2038	{
		2039	dREQ (REQ_TXN_FINISH, 0);
		2040	ptr_nuke (ST (0));
		2041	req->txn = txn;
		2042	req->uint1 = flags;
		2043	REQ_SEND;
		2044	}
		2045
		2046	void
		2047	db_c_close (DBC *dbc, SV *callback = 0)
		2048	PREINIT:
		2049	CALLBACK
		2050	CODE:
		2051	{
		2052	dREQ (REQ_C_CLOSE, 0);
		2053	ptr_nuke (ST (0));
		2054	req->dbc = dbc;
		2055	REQ_SEND;
		2056	}
		2057
		2058	void
		2059	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		2060	PREINIT:
		2061	CALLBACK
		2062	CODE:
		2063	{
		2064	dREQ (REQ_C_COUNT, 1);
		2065	req->dbc = dbc;
		2066	req->sv1 = SvREFCNT_inc (count);
		2067	REQ_SEND;
		2068	}
		2069
		2070	void
		2071	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		2072	PREINIT:
		2073	CALLBACK
		2074	CODE:
		2075	{
		2076	dREQ (REQ_C_PUT, 1);
		2077	req->dbc = dbc;
		2078	sv_to_dbt (&req->dbt1, key);
		2079	sv_to_dbt (&req->dbt2, data);
		2080	req->uint1 = flags;
		2081	REQ_SEND;
		2082	}
		2083
		2084	void
		2085	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2086	PREINIT:
		2087	CALLBACK
		2088	CODE:
		2089	{
		2090	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2091	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2092	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2093	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2094	"key",
		2095	"BDB::db_c_get");
		2096
		2097	{
		2098	dREQ (REQ_C_GET, 1);
		2099	req->dbc = dbc;
		2100	req->uint1 = flags;
		2101	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2102	sv_to_dbt (&req->dbt1, key);
		2103	else
		2104	{
		2105	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2106	sv_to_dbt (&req->dbt1, key);
		2107	else
		2108	req->dbt1.flags = DB_DBT_MALLOC;
		2109
		2110	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2111	}
		2112
		2113	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2114	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2115	sv_to_dbt (&req->dbt3, data);
		2116	else
		2117	req->dbt3.flags = DB_DBT_MALLOC;
		2118
		2119	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2120	REQ_SEND;
		2121	}
		2122	}
		2123
		2124	void
		2125	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2126	PREINIT:
		2127	CALLBACK
		2128	CODE:
		2129	{
		2130	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2131	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2132	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2133	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2134	"key",
		2135	"BDB::db_c_pget");
		2136
		2137	{
		2138	dREQ (REQ_C_PGET, 1);
		2139	req->dbc = dbc;
		2140	req->uint1 = flags;
		2141	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2142	sv_to_dbt (&req->dbt1, key);
		2143	else
		2144	{
		2145	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2146	sv_to_dbt (&req->dbt1, key);
		2147	else
		2148	req->dbt1.flags = DB_DBT_MALLOC;
		2149
		2150	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2151	}
		2152
		2153	req->dbt2.flags = DB_DBT_MALLOC;
		2154	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2155
		2156	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2157	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2158	sv_to_dbt (&req->dbt3, data);
		2159	else
		2160	req->dbt3.flags = DB_DBT_MALLOC;
		2161
		2162	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2163	REQ_SEND;
		2164	}
		2165	}
		2166
		2167	void
		2168	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2169	PREINIT:
		2170	CALLBACK
		2171	CODE:
		2172	{
		2173	dREQ (REQ_C_DEL, 1);
		2174	req->dbc = dbc;
		2175	req->uint1 = flags;
		2176	REQ_SEND;
		2177	}
		2178
		2179
		2180	#if DB_VERSION_MINOR >= 3
		2181
		2182	void
		2183	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2184	PREINIT:
		2185	CALLBACK
		2186	CODE:
		2187	{
		2188	dREQ (REQ_SEQ_OPEN, 2);
		2189	req->seq = seq;
		2190	req->txn = txnid;
		2191	req->uint1 = flags | DB_THREAD;
		2192	sv_to_dbt (&req->dbt1, key);
		2193	REQ_SEND;
		2194	}
		2195
		2196	void
		2197	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2198	PREINIT:
		2199	CALLBACK
		2200	CODE:
		2201	{
		2202	dREQ (REQ_SEQ_CLOSE, 0);
		2203	ptr_nuke (ST (0));
		2204	req->seq = seq;
		2205	req->uint1 = flags;
		2206	REQ_SEND;
		2207	}
		2208
		2209	void
		2210	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2211	PREINIT:
		2212	CALLBACK
		2213	CODE:
		2214	{
		2215	dREQ (REQ_SEQ_GET, 2);
		2216	req->seq = seq;
		2217	req->txn = txnid;
		2218	req->int1 = delta;
		2219	req->uint1 = flags;
		2220	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		2221	REQ_SEND;
		2222	}
		2223
		2224	void
		2225	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2226	PREINIT:
		2227	CALLBACK
		2228	CODE:
		2229	{
		2230	dREQ (REQ_SEQ_REMOVE, 2);
		2231	req->seq = seq;
		2232	req->txn = txnid;
		2233	req->uint1 = flags;
		2234	REQ_SEND;
		2235	}
		2236
		2237	#endif
1202		2238
1203		2239
1204	MODULE = BDB PACKAGE = BDB::Env	2240	MODULE = BDB PACKAGE = BDB::Env
1205		2241
1206	void	2242	void
1207	DESTROY (DB_ENV_ornull *env)	2243	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	2244	CODE:
1209	if (env)	2245	if (env)
1210	env->close (env, 0);	2246	env->close (env, 0);
1211		2247
		2248	int set_data_dir (DB_ENV *env, const char *dir)
		2249	CODE:
		2250	RETVAL = env->set_data_dir (env, dir);
		2251	OUTPUT:
		2252	RETVAL
		2253
		2254	int set_tmp_dir (DB_ENV *env, const char *dir)
		2255	CODE:
		2256	RETVAL = env->set_tmp_dir (env, dir);
		2257	OUTPUT:
		2258	RETVAL
		2259
		2260	int set_lg_dir (DB_ENV *env, const char *dir)
		2261	CODE:
		2262	RETVAL = env->set_lg_dir (env, dir);
		2263	OUTPUT:
		2264	RETVAL
		2265
		2266	int set_shm_key (DB_ENV *env, long shm_key)
		2267	CODE:
		2268	RETVAL = env->set_shm_key (env, shm_key);
		2269	OUTPUT:
		2270	RETVAL
		2271
1212	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2272	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1213	CODE:	2273	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2274	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	2275	OUTPUT:
1216	RETVAL	2276	RETVAL
1217		2277
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	2278	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	2279	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	2280	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	2281	OUTPUT:
1222	RETVAL	2282	RETVAL
1223		2283
		2284	#if DB_VERSION_MINOR >= 7
		2285
		2286	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2287	CODE:
		2288	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2289	OUTPUT:
		2290	RETVAL
		2291
		2292	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2293	CODE:
		2294	RETVAL = env->log_set_config (env, flags, onoff);
		2295	OUTPUT:
		2296	RETVAL
		2297
		2298	#endif
		2299
		2300
		2301	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2302	CODE:
		2303	env->set_errfile (env, errfile);
		2304
		2305	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2306	CODE:
		2307	env->set_msgfile (env, msgfile);
		2308
		2309	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2310	CODE:
		2311	RETVAL = env->set_verbose (env, which, onoff);
		2312	OUTPUT:
		2313	RETVAL
		2314
1224	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2315	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1225	CODE:	2316	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	2317	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	2318	OUTPUT:
1228	RETVAL	2319	RETVAL
1229		2320
1230	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2321	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1231	CODE:	2322	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2323	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	OUTPUT:	2324	OUTPUT:
1234	RETVAL	2325	RETVAL
		2326
		2327	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2328	CODE:
		2329	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2330	OUTPUT:
		2331	RETVAL
		2332
		2333	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2334	CODE:
		2335	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2336	OUTPUT:
		2337	RETVAL
		2338
		2339	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2340	CODE:
		2341	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2342	OUTPUT:
		2343	RETVAL
		2344
		2345	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2346	CODE:
		2347	RETVAL = env->set_lk_detect (env, detect);
		2348	OUTPUT:
		2349	RETVAL
		2350
		2351	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2352	CODE:
		2353	RETVAL = env->set_lk_max_lockers (env, max);
		2354	OUTPUT:
		2355	RETVAL
		2356
		2357	int set_lk_max_locks (DB_ENV *env, U32 max)
		2358	CODE:
		2359	RETVAL = env->set_lk_max_locks (env, max);
		2360	OUTPUT:
		2361	RETVAL
		2362
		2363	int set_lk_max_objects (DB_ENV *env, U32 max)
		2364	CODE:
		2365	RETVAL = env->set_lk_max_objects (env, max);
		2366	OUTPUT:
		2367	RETVAL
		2368
		2369	int set_lg_bsize (DB_ENV *env, U32 max)
		2370	CODE:
		2371	RETVAL = env->set_lg_bsize (env, max);
		2372	OUTPUT:
		2373	RETVAL
		2374
		2375	int set_lg_max (DB_ENV *env, U32 max)
		2376	CODE:
		2377	RETVAL = env->set_lg_max (env, max);
		2378	OUTPUT:
		2379	RETVAL
		2380
		2381	#if DB_VERSION_MINOR >= 4
		2382
		2383	int mutex_set_max (DB_ENV *env, U32 max)
		2384	CODE:
		2385	RETVAL = env->mutex_set_max (env, max);
		2386	OUTPUT:
		2387	RETVAL
		2388
		2389	int mutex_set_increment (DB_ENV *env, U32 increment)
		2390	CODE:
		2391	RETVAL = env->mutex_set_increment (env, increment);
		2392	OUTPUT:
		2393	RETVAL
		2394
		2395	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2396	CODE:
		2397	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2398	OUTPUT:
		2399	RETVAL
		2400
		2401	int mutex_set_align (DB_ENV *env, U32 align)
		2402	CODE:
		2403	RETVAL = env->mutex_set_align (env, align);
		2404	OUTPUT:
		2405	RETVAL
		2406
		2407	#endif
1235		2408
1236	DB_TXN *	2409	DB_TXN *
1237	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2410	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1238	CODE:	2411	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	2412	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	2413	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	2414	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	2415	OUTPUT:
1243	RETVAL	2416	RETVAL
1244		2417
		2418	#if DB_VERSION_MINOR >= 5
		2419
		2420	DB_TXN *
		2421	cdsgroup_begin (DB_ENV *env)
		2422	CODE:
		2423	errno = env->cdsgroup_begin (env, &RETVAL);
		2424	if (errno)
		2425	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2426	OUTPUT:
		2427	RETVAL
		2428
		2429	#endif
		2430
1245	MODULE = BDB PACKAGE = BDB::Db	2431	MODULE = BDB PACKAGE = BDB::Db
1246		2432
1247	void	2433	void
1248	DESTROY (DB_ornull *db)	2434	DESTROY (DB_ornuked *db)
1249	CODE:	2435	CODE:
1250	if (db)	2436	if (db)
1251	{	2437	{
1252	SV *env = (SV *)db->app_private;	2438	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	2439	db->close (db, 0);
…		…
1258	CODE:	2444	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2445	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	2446	OUTPUT:
1261	RETVAL	2447	RETVAL
1262		2448
		2449	int set_pagesize (DB *db, U32 pagesize)
		2450	CODE:
		2451	RETVAL = db->set_pagesize (db, pagesize);
		2452	OUTPUT:
		2453	RETVAL
		2454
1263	int set_flags (DB *db, U32 flags);	2455	int set_flags (DB *db, U32 flags)
1264	CODE:	2456	CODE:
1265	RETVAL = db->set_flags (db, flags);	2457	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	2458	OUTPUT:
1267	RETVAL	2459	RETVAL
1268		2460
…		…
1276	CODE:	2468	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	2469	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	2470	OUTPUT:
1279	RETVAL	2471	RETVAL
1280		2472
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	2473	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	2474	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	2475	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	2476	OUTPUT:
1286	RETVAL	2477	RETVAL
1287		2478
1288	int set_re_delim(DB *db, int delim);	2479	int set_re_delim (DB *db, int delim)
1289	CODE:	2480	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	2481	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	2482	OUTPUT:
1292	RETVAL	2483	RETVAL
1293		2484
…		…
1325	CODE:	2516	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	2517	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	2518	OUTPUT:
1328	RETVAL	2519	RETVAL
1329		2520
		2521	DBC *
		2522	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2523	CODE:
		2524	errno = db->cursor (db, txn, &RETVAL, flags);
		2525	if (errno)
		2526	croak ("DB->cursor: %s", db_strerror (errno));
		2527	OUTPUT:
		2528	RETVAL
		2529
		2530	#if DB_VERSION_MINOR >= 3
		2531
		2532	DB_SEQUENCE *
		2533	sequence (DB *db, U32 flags = 0)
		2534	CODE:
		2535	{
		2536	errno = db_sequence_create (&RETVAL, db, flags);
		2537	if (errno)
		2538	croak ("db_sequence_create: %s", db_strerror (errno));
		2539	}
		2540	OUTPUT:
		2541	RETVAL
		2542
		2543	#endif
		2544
		2545
1330	MODULE = BDB PACKAGE = BDB::Txn	2546	MODULE = BDB PACKAGE = BDB::Txn
1331		2547
1332	void	2548	void
1333	DESTROY (DB_TXN_ornull *txn)	2549	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2550	CODE:
1335	if (txn)	2551	if (txn)
1336	txn->abort (txn);	2552	txn->abort (txn);
1337		2553
1338	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2554	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1339	CODE:	2555	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2556	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2557	OUTPUT:
1342	RETVAL	2558	RETVAL
1343		2559
		2560	int failed (DB_TXN *txn)
		2561	CODE:
		2562	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2563	OUTPUT:
		2564	RETVAL
1344		2565
		2566
		2567	MODULE = BDB PACKAGE = BDB::Cursor
		2568
		2569	void
		2570	DESTROY (DBC_ornuked *dbc)
		2571	CODE:
		2572	if (dbc)
		2573	dbc->c_close (dbc);
		2574
		2575	#if DB_VERSION_MINOR >= 6
		2576
		2577	int set_priority (DBC *dbc, int priority)
		2578	CODE:
		2579	dbc->set_priority (dbc, priority);
		2580
		2581	#endif
		2582
		2583	#if DB_VERSION_MINOR >= 3
		2584
		2585	MODULE = BDB PACKAGE = BDB::Sequence
		2586
		2587	void
		2588	DESTROY (DB_SEQUENCE_ornuked *seq)
		2589	CODE:
		2590	if (seq)
		2591	seq->close (seq, 0);
		2592
		2593	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2594	CODE:
		2595	RETVAL = seq->initial_value (seq, value);
		2596	OUTPUT:
		2597	RETVAL
		2598
		2599	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2600	CODE:
		2601	RETVAL = seq->set_cachesize (seq, size);
		2602	OUTPUT:
		2603	RETVAL
		2604
		2605	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2606	CODE:
		2607	RETVAL = seq->set_flags (seq, flags);
		2608	OUTPUT:
		2609	RETVAL
		2610
		2611	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2612	CODE:
		2613	RETVAL = seq->set_range (seq, min, max);
		2614	OUTPUT:
		2615	RETVAL
		2616
		2617	#endif
		2618
		2619

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