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Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.52 by root, Thu Sep 25 13:44:44 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>
		36
		37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		39	#endif
29		40
30	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
32		43
33	/* wether word reads are potentially non-atomic.	44	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	45	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	46	typedef DBC DBC_ornull;
36	*/	47	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	48
38	# if __i386 || __x86_64	49	typedef DB_ENV DB_ENV_ornuked;
39	# define WORDACCESS_UNSAFE 0	50	typedef DB_TXN DB_TXN_ornuked;
40	# else	51	typedef DBC DBC_ornuked;
41	# define WORDACCESS_UNSAFE 1	52	typedef DB DB_ornuked;
		53
		54	#if DB_VERSION_MINOR >= 3
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	57	#endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49		58
50	typedef SV SV8; /* byte-sv, used for argument-checking */	59	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	60	typedef char *bdb_filename;
52		61
53	static SV *prepare_cb;	62	static SV *prepare_cb;
54		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
55	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 *
56	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
57	{	118	{
58	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
59	}	120	}
60		121
61	static inline void	122	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
63	{	124	{
64	STRLEN len;	125	STRLEN len;
65	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
66		127
…		…
68	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
69	dbt->size = len;	130	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	131	dbt->flags = DB_DBT_REALLOC;
71	}	132	}
72		133
73	static inline void	134	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
75	{	136	{
76	if (sv)	137	if (sv)
77	{	138	{
78	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
79	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);
80	SvREFCNT_dec (sv);	141	SvREFCNT_dec (sv);
81	}	142	}
82		143
		144	//assert (dbt->flags & DBT_MALLOC || !dbt->data);
83	free (dbt->data);	145	free (dbt->data);
84	}	146	}
85		147
86	enum {	148	enum {
87	REQ_QUIT,	149	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91	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,
		156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	157	};
93		158
94	typedef struct aio_cb	159	typedef struct bdb_cb
95	{	160	{
96	struct aio_cb *volatile next;	161	struct bdb_cb *volatile next;
97	SV *callback;	162	SV *callback;
98	int type, pri, result;	163	int type, pri, result;
99		164
100	DB_ENV *env;	165	DB_ENV *env;
101	DB *db;	166	DB *db;
…		…
103	DBC *dbc;	168	DBC *dbc;
104		169
105	UV uv1;	170	UV uv1;
106	int int1, int2;	171	int int1, int2;
107	U32 uint1, uint2;	172	U32 uint1, uint2;
108	char *buf1, *buf2;	173	char *buf1, *buf2, *buf3;
109	SV *sv1, *sv2, *sv3;	174	SV *sv1, *sv2, *sv3;
110		175
111	DBT dbt1, dbt2, dbt3;	176	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	177	DB_KEY_RANGE key_range;
		178	#if DB_VERSION_MINOR >= 3
		179	DB_SEQUENCE *seq;
		180	db_seq_t seq_t;
		181	#endif
113		182
		183	SV *rsv1, *rsv2; // keep some request objects alive
		184	} bdb_cb;
		185
114	typedef aio_cb *aio_req;	186	typedef bdb_cb *bdb_req;
115		187
116	enum {	188	enum {
117	PRI_MIN = -4,	189	PRI_MIN = -4,
118	PRI_MAX = 4,	190	PRI_MAX = 4,
119		191
…		…
122	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	194	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
123	};	195	};
124		196
125	#define AIO_TICKS ((1000000 + 1023) >> 10)	197	#define AIO_TICKS ((1000000 + 1023) >> 10)
126		198
		199	static SV *on_next_submit;
		200
127	static unsigned int max_poll_time = 0;	201	static unsigned int max_poll_time = 0;
128	static unsigned int max_poll_reqs = 0;	202	static unsigned int max_poll_reqs = 0;
129		203
130	/* calculcate time difference in ~1/AIO_TICKS of a second */	204	/* calculcate time difference in ~1/AIO_TICKS of a second */
131	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	205	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
136		210
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	211	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		212
139	static unsigned int started, idle, wanted;	213	static unsigned int started, idle, wanted;
140		214
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	215	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	216	static mutex_t wrklock = X_MUTEX_INIT;
152		217
153	typedef struct worker {	218	typedef struct worker {
154	/* locked by wrklock */	219	/* locked by wrklock */
155	struct worker *prev, *next;	220	struct worker *prev, *next;
156		221
157	pthread_t tid;	222	thread_t tid;
158		223
159	/* locked by reslock, reqlock or wrklock */	224	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	225	bdb_req req; /* currently processed request */
161	void *dbuf;	226	void *dbuf;
162	DIR *dirp;	227	DIR *dirp;
163	} worker;	228	} worker;
164		229
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	230	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	242	}
178		243
179	static volatile unsigned int nreqs, nready, npending;	244	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	245	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	246	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	247	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		248
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	249	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	250	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	251	static cond_t reqwait = X_COND_INIT;
187		252
188	#if WORDACCESS_UNSAFE	253	#if WORDACCESS_UNSAFE
189		254
190	static unsigned int get_nready ()	255	static unsigned int get_nready (void)
191	{	256	{
192	unsigned int retval;	257	unsigned int retval;
193		258
194	LOCK (reqlock);	259	X_LOCK (reqlock);
195	retval = nready;	260	retval = nready;
196	UNLOCK (reqlock);	261	X_UNLOCK (reqlock);
197		262
198	return retval;	263	return retval;
199	}	264	}
200		265
201	static unsigned int get_npending ()	266	static unsigned int get_npending (void)
202	{	267	{
203	unsigned int retval;	268	unsigned int retval;
204		269
205	LOCK (reslock);	270	X_LOCK (reslock);
206	retval = npending;	271	retval = npending;
207	UNLOCK (reslock);	272	X_UNLOCK (reslock);
208		273
209	return retval;	274	return retval;
210	}	275	}
211		276
212	static unsigned int get_nthreads ()	277	static unsigned int get_nthreads (void)
213	{	278	{
214	unsigned int retval;	279	unsigned int retval;
215		280
216	LOCK (wrklock);	281	X_LOCK (wrklock);
217	retval = started;	282	retval = started;
218	UNLOCK (wrklock);	283	X_UNLOCK (wrklock);
219		284
220	return retval;	285	return retval;
221	}	286	}
222		287
223	#else	288	#else
…		…
232	* a somewhat faster data structure might be nice, but	297	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	298	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	299	* per shift, the most expensive operation.
235	*/	300	*/
236	typedef struct {	301	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	302	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	303	int size;
239	} reqq;	304	} reqq;
240		305
241	static reqq req_queue;	306	static reqq req_queue;
242	static reqq res_queue;	307	static reqq res_queue;
243		308
244	int reqq_push (reqq *q, aio_req req)	309	int reqq_push (reqq *q, bdb_req req)
245	{	310	{
246	int pri = req->pri;	311	int pri = req->pri;
247	req->next = 0;	312	req->next = 0;
248		313
249	if (q->qe[pri])	314	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	320	q->qe[pri] = q->qs[pri] = req;
256		321
257	return q->size++;	322	return q->size++;
258	}	323	}
259		324
260	aio_req reqq_shift (reqq *q)	325	bdb_req reqq_shift (reqq *q)
261	{	326	{
262	int pri;	327	int pri;
263		328
264	if (!q->size)	329	if (!q->size)
265	return 0;	330	return 0;
266		331
267	--q->size;	332	--q->size;
268		333
269	for (pri = NUM_PRI; pri--; )	334	for (pri = NUM_PRI; pri--; )
270	{	335	{
271	aio_req req = q->qs[pri];	336	bdb_req req = q->qs[pri];
272		337
273	if (req)	338	if (req)
274	{	339	{
275	if (!(q->qs[pri] = req->next))	340	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	341	q->qe[pri] = 0;
…		…
280	}	345	}
281		346
282	abort ();	347	abort ();
283	}	348	}
284		349
285	static int poll_cb ();	350	static int poll_cb (void);
286	static void req_free (aio_req req);	351	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);	352	static void req_cancel (bdb_req req);
288		353
289	static int req_invoke (aio_req req)	354	static int req_invoke (bdb_req req)
290	{	355	{
291	dSP;	356	dSP;
292		357
293	if (SvOK (req->callback))	358	if (req->callback)
294	{	359	{
295	ENTER;	360	ENTER;
296	SAVETMPS;	361	SAVETMPS;
297	PUSHMARK (SP);	362	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		363
300	switch (req->type)	364	switch (req->type)
301	{	365	{
302	case REQ_DB_CLOSE:	366	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	367	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	376	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	377	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	378	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	379	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	380	break;
		381
		382	case REQ_DB_PUT:
		383	case REQ_C_PUT:
		384	dbt_to_sv (0, &req->dbt1);
		385	dbt_to_sv (0, &req->dbt2);
		386	break;
		387
		388	case REQ_DB_KEY_RANGE:
		389	{
		390	AV *av = newAV ();
		391
		392	av_push (av, newSVnv (req->key_range.less));
		393	av_push (av, newSVnv (req->key_range.equal));
		394	av_push (av, newSVnv (req->key_range.greater));
		395
		396	SvREADONLY_off (req->sv1);
		397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
317	}	414	}
318		415
319	errno = req->result;	416	errno = req->result;
320		417
321	PUTBACK;	418	PUTBACK;
…		…
327	}	424	}
328		425
329	return !SvTRUE (ERRSV);	426	return !SvTRUE (ERRSV);
330	}	427	}
331		428
332	static void req_free (aio_req req)	429	static void req_free (bdb_req req)
333	{	430	{
		431	SvREFCNT_dec (req->callback);
		432
		433	SvREFCNT_dec (req->rsv1);
		434	SvREFCNT_dec (req->rsv2);
		435
334	free (req->buf1);	436	free (req->buf1);
335	free (req->buf2);	437	free (req->buf2);
		438	free (req->buf3);
		439
336	Safefree (req);	440	Safefree (req);
337	}	441	}
338		442
339	static void *aio_proc (void *arg);	443	#ifdef USE_SOCKETS_AS_HANDLES
		444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		445	#else
		446	# define TO_SOCKET(x) (x)
		447	#endif
		448
		449	static void
		450	create_respipe (void)
		451	{
		452	#ifdef _WIN32
		453	int arg; /* argg */
		454	#endif
		455	int old_readfd = respipe [0];
		456
		457	if (respipe [1] >= 0)
		458	respipe_close (TO_SOCKET (respipe [1]));
		459
		460	#ifdef _WIN32
		461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		462	#else
		463	if (pipe (respipe))
		464	#endif
		465	croak ("unable to initialize result pipe");
		466
		467	if (old_readfd >= 0)
		468	{
		469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		470	croak ("unable to initialize result pipe(2)");
		471
		472	respipe_close (respipe [0]);
		473	respipe [0] = old_readfd;
		474	}
		475
		476	#ifdef _WIN32
		477	arg = 1;
		478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		479	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		480	#else
		481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		482	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		483	#endif
		484	croak ("unable to initialize result pipe(3)");
		485
		486	respipe_osf [0] = TO_SOCKET (respipe [0]);
		487	respipe_osf [1] = TO_SOCKET (respipe [1]);
		488	}
		489
		490	X_THREAD_PROC (bdb_proc);
340		491
341	static void start_thread (void)	492	static void start_thread (void)
342	{	493	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	494	worker *wrk = calloc (1, sizeof (worker));
347		495
348	if (!wrk)	496	if (!wrk)
349	croak ("unable to allocate worker thread data");	497	croak ("unable to allocate worker thread data");
350		498
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	499	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	500	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	501	{
364	wrk->prev = &wrk_first;	502	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	503	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	504	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	505	wrk_first.next = wrk;
368	++started;	506	++started;
369	}	507	}
370	else	508	else
371	free (wrk);	509	free (wrk);
372		510
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	511	X_UNLOCK (wrklock);
375	}	512	}
376		513
377	static void maybe_start_thread ()	514	static void maybe_start_thread (void)
378	{	515	{
379	if (get_nthreads () >= wanted)	516	if (get_nthreads () >= wanted)
380	return;	517	return;
381		518
382	/* todo: maybe use idle here, but might be less exact */	519	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	521	return;
385		522
386	start_thread ();	523	start_thread ();
387	}	524	}
388		525
389	static void req_send (aio_req req)	526	static void req_send (bdb_req req)
390	{	527	{
391	SV *wait_callback = 0;	528	SV *wait_callback = 0;
392		529
		530	if (on_next_submit)
		531	{
		532	dSP;
		533	SV *cb = sv_2mortal (on_next_submit);
		534
		535	on_next_submit = 0;
		536
		537	PUSHMARK (SP);
		538	PUTBACK;
		539	call_sv (cb, G_DISCARD | G_EVAL);
		540	SPAGAIN;
		541	}
		542
393	// synthesize callback if none given	543	// synthesize callback if none given
394	if (!SvOK (req->callback))	544	if (!req->callback)
395	{	545	{
		546	int count;
		547
396	dSP;	548	dSP;
397	PUSHMARK (SP);	549	PUSHMARK (SP);
398	PUTBACK;	550	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	551	count = call_sv (prepare_cb, G_ARRAY);
400	SPAGAIN;	552	SPAGAIN;
401		553
402	if (count != 2)	554	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");	555	croak ("prepare callback must return exactly two values\n");
404		556
405	wait_callback = SvREFCNT_inc (POPs);	557	wait_callback = POPs;
406	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);	558	req->callback = SvREFCNT_inc (POPs);
408	}	559	}
409		560
410	++nreqs;	561	++nreqs;
411		562
412	LOCK (reqlock);	563	X_LOCK (reqlock);
413	++nready;	564	++nready;
414	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
417		568
418	maybe_start_thread ();	569	maybe_start_thread ();
419		570
420	if (wait_callback)	571	if (wait_callback)
421	{	572	{
422	dSP;	573	dSP;
423	PUSHMARK (SP);	574	PUSHMARK (SP);
424	PUTBACK;	575	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	577	}
428	}	578	}
429		579
430	static void end_thread (void)	580	static void end_thread (void)
431	{	581	{
432	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
433
434	Newz (0, req, 1, aio_cb);
435		583
436	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
438		586
439	LOCK (reqlock);	587	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	588	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	589	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	590	X_UNLOCK (reqlock);
443		591
444	LOCK (wrklock);	592	X_LOCK (wrklock);
445	--started;	593	--started;
446	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
447	}	595	}
448		596
449	static void set_max_idle (int nthreads)	597	static void set_max_idle (int nthreads)
450	{	598	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	599	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	600	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	602	}
455		603
456	static void min_parallel (int nthreads)	604	static void min_parallel (int nthreads)
457	{	605	{
458	if (wanted < nthreads)	606	if (wanted < nthreads)
…		…
466		614
467	while (started > wanted)	615	while (started > wanted)
468	end_thread ();	616	end_thread ();
469	}	617	}
470		618
471	static void poll_wait ()	619	static void poll_wait (void)
472	{	620	{
473	fd_set rfd;	621	fd_set rfd;
474		622
475	while (nreqs)	623	while (nreqs)
476	{	624	{
477	int size;	625	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	627	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	628	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		629
482	if (size)	630	if (size)
483	return;	631	return;
484		632
485	maybe_start_thread ();	633	maybe_start_thread ();
486		634
487	FD_ZERO(&rfd);	635	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	636	FD_SET (respipe [0], &rfd);
489		637
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	638	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	639	}
492	}	640	}
493		641
494	static int poll_cb ()	642	static int poll_cb (void)
495	{	643	{
496	dSP;	644	dSP;
497	int count = 0;	645	int count = 0;
498	int maxreqs = max_poll_reqs;	646	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	647	int do_croak = 0;
500	struct timeval tv_start, tv_now;	648	struct timeval tv_start, tv_now;
501	aio_req req;	649	bdb_req req;
502		650
503	if (max_poll_time)	651	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	652	gettimeofday (&tv_start, 0);
505		653
506	for (;;)	654	for (;;)
507	{	655	{
508	for (;;)	656	for (;;)
509	{	657	{
510	maybe_start_thread ();	658	maybe_start_thread ();
511		659
512	LOCK (reslock);	660	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	661	req = reqq_shift (&res_queue);
514		662
515	if (req)	663	if (req)
516	{	664	{
517	--npending;	665	--npending;
518		666
519	if (!res_queue.size)	667	if (!res_queue.size)
520	{	668	{
521	/* read any signals sent by the worker threads */	669	/* read any signals sent by the worker threads */
522	char buf [4];	670	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	671	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	672	;
525	}	673	}
526	}	674	}
527		675
528	UNLOCK (reslock);	676	X_UNLOCK (reslock);
529		677
530	if (!req)	678	if (!req)
531	break;	679	break;
532		680
533	--nreqs;	681	--nreqs;
…		…
563	}	711	}
564		712
565	return count;	713	return count;
566	}	714	}
567		715
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	716	/*****************************************************************************/
581		717
582	static void *aio_proc (void *thr_arg)	718	static void
		719	bdb_request (bdb_req req)
583	{	720	{
		721	switch (req->type)
		722	{
		723	case REQ_ENV_OPEN:
		724	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		725	break;
		726
		727	case REQ_ENV_CLOSE:
		728	req->result = req->env->close (req->env, req->uint1);
		729	break;
		730
		731	case REQ_ENV_TXN_CHECKPOINT:
		732	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		733	break;
		734
		735	case REQ_ENV_LOCK_DETECT:
		736	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		737	break;
		738
		739	case REQ_ENV_MEMP_SYNC:
		740	req->result = req->env->memp_sync (req->env, 0);
		741	break;
		742
		743	case REQ_ENV_MEMP_TRICKLE:
		744	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		745	break;
		746
		747	case REQ_ENV_DBREMOVE:
		748	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		749	break;
		750
		751	case REQ_ENV_DBRENAME:
		752	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		753	break;
		754
		755	case REQ_DB_OPEN:
		756	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		757	break;
		758
		759	case REQ_DB_CLOSE:
		760	req->result = req->db->close (req->db, req->uint1);
		761	break;
		762
		763	#if DB_VERSION_MINOR >= 4
		764	case REQ_DB_COMPACT:
		765	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		766	break;
		767	#endif
		768
		769	case REQ_DB_SYNC:
		770	req->result = req->db->sync (req->db, req->uint1);
		771	break;
		772
		773	case REQ_DB_UPGRADE:
		774	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		775	break;
		776
		777	case REQ_DB_PUT:
		778	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		779	break;
		780
		781	#if DB_VERSION_MINOR >= 6
		782	case REQ_DB_EXISTS:
		783	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		784	break;
		785	#endif
		786	case REQ_DB_GET:
		787	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		788	break;
		789
		790	case REQ_DB_PGET:
		791	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		792	break;
		793
		794	case REQ_DB_DEL:
		795	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		796	break;
		797
		798	case REQ_DB_KEY_RANGE:
		799	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		800	break;
		801
		802	case REQ_TXN_COMMIT:
		803	req->result = req->txn->commit (req->txn, req->uint1);
		804	break;
		805
		806	case REQ_TXN_ABORT:
		807	req->result = req->txn->abort (req->txn);
		808	break;
		809
		810	case REQ_TXN_FINISH:
		811	if (req->txn->flags & TXN_DEADLOCK)
		812	{
		813	req->result = req->txn->abort (req->txn);
		814	if (!req->result)
		815	req->result = DB_LOCK_DEADLOCK;
		816	}
		817	else
		818	req->result = req->txn->commit (req->txn, req->uint1);
		819	break;
		820
		821	case REQ_C_CLOSE:
		822	req->result = req->dbc->c_close (req->dbc);
		823	break;
		824
		825	case REQ_C_COUNT:
		826	{
		827	db_recno_t recno;
		828	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		829	req->uv1 = recno;
		830	}
		831	break;
		832
		833	case REQ_C_PUT:
		834	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		835	break;
		836
		837	case REQ_C_GET:
		838	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		839	break;
		840
		841	case REQ_C_PGET:
		842	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		843	break;
		844
		845	case REQ_C_DEL:
		846	req->result = req->dbc->c_del (req->dbc, req->uint1);
		847	break;
		848
		849	#if DB_VERSION_MINOR >= 3
		850	case REQ_SEQ_OPEN:
		851	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		852	break;
		853
		854	case REQ_SEQ_CLOSE:
		855	req->result = req->seq->close (req->seq, req->uint1);
		856	break;
		857
		858	case REQ_SEQ_GET:
		859	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_REMOVE:
		863	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		864	break;
		865	#endif
		866
		867	default:
		868	req->result = ENOSYS;
		869	break;
		870	}
		871
		872	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		873	req->txn->flags |= TXN_DEADLOCK;
		874	}
		875
		876	X_THREAD_PROC (bdb_proc)
		877	{
584	aio_req req;	878	bdb_req req;
585	struct timespec ts;	879	struct timespec ts;
586	worker *self = (worker *)thr_arg;	880	worker *self = (worker *)thr_arg;
587		881
588	/* try to distribute timeouts somewhat evenly */	882	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	883	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		884
592	for (;;)	885	for (;;)
593	{	886	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	887	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		888
596	LOCK (reqlock);	889	X_LOCK (reqlock);
597		890
598	for (;;)	891	for (;;)
599	{	892	{
600	self->req = req = reqq_shift (&req_queue);	893	self->req = req = reqq_shift (&req_queue);
601		894
602	if (req)	895	if (req)
603	break;	896	break;
604		897
605	++idle;	898	++idle;
606		899
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	900	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	901	== ETIMEDOUT)
609	{	902	{
610	if (idle > max_idle)	903	if (idle > max_idle)
611	{	904	{
612	--idle;	905	--idle;
613	UNLOCK (reqlock);	906	X_UNLOCK (reqlock);
614	LOCK (wrklock);	907	X_LOCK (wrklock);
615	--started;	908	--started;
616	UNLOCK (wrklock);	909	X_UNLOCK (wrklock);
617	goto quit;	910	goto quit;
618	}	911	}
619		912
620	/* we are allowed to idle, so do so without any timeout */	913	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	914	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	915	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	916	}
624		917
625	--idle;	918	--idle;
626	}	919	}
627		920
628	--nready;	921	--nready;
629		922
630	UNLOCK (reqlock);	923	X_UNLOCK (reqlock);
631		924
632	switch (req->type)	925	if (req->type == REQ_QUIT)
633	{	926	{
634	case REQ_QUIT:	927	X_LOCK (reslock);
		928	free (req);
		929	self->req = 0;
		930	X_UNLOCK (reslock);
		931
635	goto quit;	932	goto quit;
636
637	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;
640
641	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);
643	break;
644
645	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;
648
649	case REQ_DB_CLOSE:
650	req->result = req->db->close (req->db, req->uint1);
651	break;
652
653	case REQ_DB_COMPACT:
654	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
655	break;
656
657	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);
659	break;
660
661	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;
664
665	case REQ_DB_GET:
666	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
667	break;
668
669	case REQ_DB_PGET:
670	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
671	break;
672
673	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;
676
677	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);
679	break;
680
681	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);
683	break;
684
685	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);
687	break;
688
689	case REQ_C_COUNT:
690	{
691	db_recno_t recno;
692	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
693	req->uv1 = recno;
694	}
695	break;
696
697	case REQ_C_PUT:
698	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
699	break;
700
701	case REQ_C_GET:
702	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
703	break;
704
705	case REQ_C_PGET:
706	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
707	break;
708
709	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;
712
713	default:
714	req->result = ENOSYS;
715	break;
716	}	933	}
717		934
		935	bdb_request (req);
		936
718	LOCK (reslock);	937	X_LOCK (reslock);
719		938
720	++npending;	939	++npending;
721		940
722	if (!reqq_push (&res_queue, req))	941	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	942	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	943	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		944
726	self->req = 0;	945	self->req = 0;
727	worker_clear (self);	946	worker_clear (self);
728		947
729	UNLOCK (reslock);	948	X_UNLOCK (reslock);
730	}	949	}
731		950
732	quit:	951	quit:
733	LOCK (wrklock);	952	X_LOCK (wrklock);
734	worker_free (self);	953	worker_free (self);
735	UNLOCK (wrklock);	954	X_UNLOCK (wrklock);
736		955
737	return 0;	956	return 0;
738	}	957	}
739		958
740	/*****************************************************************************/	959	/*****************************************************************************/
741		960
742	static void atfork_prepare (void)	961	static void atfork_prepare (void)
743	{	962	{
744	LOCK (wrklock);	963	X_LOCK (wrklock);
745	LOCK (reqlock);	964	X_LOCK (reqlock);
746	LOCK (reslock);	965	X_LOCK (reslock);
747	}	966	}
748		967
749	static void atfork_parent (void)	968	static void atfork_parent (void)
750	{	969	{
751	UNLOCK (reslock);	970	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	971	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	972	X_UNLOCK (wrklock);
754	}	973	}
755		974
756	static void atfork_child (void)	975	static void atfork_child (void)
757	{	976	{
758	aio_req prv;	977	bdb_req prv;
759		978
760	while (prv = reqq_shift (&req_queue))	979	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	980	req_free (prv);
762		981
763	while (prv = reqq_shift (&res_queue))	982	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	997	idle = 0;
779	nreqs = 0;	998	nreqs = 0;
780	nready = 0;	999	nready = 0;
781	npending = 0;	1000	npending = 0;
782		1001
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	1002	create_respipe ();
786		1003
787	atfork_parent ();	1004	atfork_parent ();
788	}	1005	}
789		1006
790	#define dREQ(reqtype) \	1007	#define dREQ(reqtype,rsvcnt) \
791	aio_req req; \	1008	bdb_req req; \
792	int req_pri = next_pri; \	1009	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	1010	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	1011	\
795	if (SvOK (callback) && !SvROK (callback)) \	1012	if (callback && SvOK (callback)) \
796	croak ("callback must be undef or of reference type"); \	1013	croak ("callback has illegal type or extra arguments"); \
797	\	1014	\
798	Newz (0, req, 1, aio_cb); \	1015	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	1016	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	1017	croak ("out of memory during bdb_req allocation"); \
801	\	1018	\
802	req->callback = newSVsv (callback); \	1019	req->callback = SvREFCNT_inc (cb); \
803	req->type = (reqtype); \	1020	req->type = (reqtype); \
804	req->pri = req_pri	1021	req->pri = req_pri; \
		1022	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1023	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1024	(void)0;
805		1025
806	#define REQ_SEND \	1026	#define REQ_SEND \
807	req_send (req)	1027	req_send (req)
808		1028
809	#define SvPTR(var, arg, type, class, nullok) \	1029	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	1030	if (!SvOK (arg)) \
811	{ \	1031	{ \
812	if (!nullok) \	1032	if (nullok != 1) \
813	croak (# var " must be a " # class " object, not undef"); \	1033	croak (# var " must be a " # class " object, not undef"); \
814	\	1034	\
815	(var) = 0; \	1035	(var) = 0; \
816	} \	1036	} \
817	else if (sv_derived_from ((arg), # class)) \	1037	else if (sv_derived_from ((arg), # class)) \
818	{ \	1038	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	1039	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	1040	(var) = INT2PTR (type, tmp); \
821	if (!var) \	1041	if (!var && nullok != 2) \
822	croak (# var " is not a valid " # class " object anymore"); \	1042	croak (# var " is not a valid " # class " object anymore"); \
823	} \	1043	} \
824	else \	1044	else \
825	croak (# var " is not of type " # class); \	1045	croak (# var " is not of type " # class);
826	\
827		1046
828	static void	1047	static void
829	ptr_nuke (SV *sv)	1048	ptr_nuke (SV *sv)
830	{	1049	{
831	assert (SvROK (sv));	1050	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	1051	sv_setiv (SvRV (sv), 0);
833	}	1052	}
		1053
		1054	static int
		1055	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1056	{
		1057	if (*mg->mg_ptr == '!') // should always be the case
		1058	if (-30999 <= errno && errno <= -30800)
		1059	{
		1060	sv_setnv (sv, (NV)errno);
		1061	sv_setpv (sv, db_strerror (errno));
		1062	SvNOK_on (sv); /* what a wonderful hack! */
		1063	// ^^^ copied from perl sources
		1064	return 0;
		1065	}
		1066
		1067	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1068	}
		1069
		1070	static MGVTBL vtbl_errno;
		1071
		1072	// this wonderful hack :( patches perl's $! variable to support our errno values
		1073	static void
		1074	patch_errno (void)
		1075	{
		1076	SV *sv;
		1077	MAGIC *mg;
		1078
		1079	if (!(sv = get_sv ("!", 1)))
		1080	return;
		1081
		1082	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1083	return;
		1084
		1085	if (mg->mg_virtual != &PL_vtbl_sv)
		1086	return;
		1087
		1088	vtbl_errno = PL_vtbl_sv;
		1089	vtbl_errno.svt_get = errno_get;
		1090	mg->mg_virtual = &vtbl_errno;
		1091	}
		1092
		1093	#if __GNUC__ >= 4
		1094	# define noinline __attribute__ ((noinline))
		1095	#else
		1096	# define noinline
		1097	#endif
		1098
		1099	static noinline SV *
		1100	pop_callback (I32 *ritems, SV *sv)
		1101	{
		1102	if (SvROK (sv))
		1103	{
		1104	HV *st;
		1105	GV *gvp;
		1106	CV *cv;
		1107	const char *name;
		1108
		1109	/* forgive me */
		1110	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1111	&& (st = SvSTASH (SvRV (sv)))
		1112	&& (name = HvNAME_get (st))
		1113	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1114	return 0;
		1115
		1116	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1117	{
		1118	--*ritems;
		1119	return (SV *)cv;
		1120	}
		1121	}
		1122
		1123	return 0;
		1124	}
		1125
		1126	/* stupid windoes defined CALLBACK as well */
		1127	#undef CALLBACK
		1128	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
834		1129
835	MODULE = BDB PACKAGE = BDB	1130	MODULE = BDB PACKAGE = BDB
836		1131
837	PROTOTYPES: ENABLE	1132	PROTOTYPES: ENABLE
838		1133
…		…
854	const_iv (INIT_TXN)	1149	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1150	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1151	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1152	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1153	const_iv (CREATE)
		1154	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1155	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1156	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1157	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1158	const_iv (PRIVATE)
863	const_iv (REGISTER)
864	const_iv (SYSTEM_MEM)	1159	const_iv (SYSTEM_MEM)
865	const_iv (AUTO_COMMIT)	1160	const_iv (AUTO_COMMIT)
866	const_iv (CDB_ALLDB)	1161	const_iv (CDB_ALLDB)
867	const_iv (DIRECT_DB)	1162	const_iv (DIRECT_DB)
868	const_iv (DIRECT_LOG)
869	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1163	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1164	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1165	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1166	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1167	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1168	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1169	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1170	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1171	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1172	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1173	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1174	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1175	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1176	const_iv (XA_CREATE)
…		…
889	const_iv (HASH)	1178	const_iv (HASH)
890	const_iv (QUEUE)	1179	const_iv (QUEUE)
891	const_iv (RECNO)	1180	const_iv (RECNO)
892	const_iv (UNKNOWN)	1181	const_iv (UNKNOWN)
893	const_iv (EXCL)	1182	const_iv (EXCL)
894	const_iv (READ_COMMITTED)
895	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1183	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1184	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1185	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1186	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1187	const_iv (DUP)
902	const_iv (DUPSORT)	1188	const_iv (DUPSORT)
903	const_iv (RECNUM)	1189	const_iv (RECNUM)
904	const_iv (RENUMBER)	1190	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1191	const_iv (REVSPLITOFF)
906	const_iv (INORDER)
907	const_iv (CONSUME)	1192	const_iv (CONSUME)
908	const_iv (CONSUME_WAIT)	1193	const_iv (CONSUME_WAIT)
909	const_iv (GET_BOTH)	1194	const_iv (GET_BOTH)
910	const_iv (GET_BOTH_RANGE)	1195	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1196	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1197	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1198	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1199	const_iv (JOIN_ITEM)
		1200	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1201	const_iv (RMW)
916		1202
917	const_iv (NOTFOUND)	1203	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1204	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1205	const_iv (LOCK_DEADLOCK)
920	const_iv (LOCK_NOTGRANTED)	1206	const_iv (LOCK_NOTGRANTED)
921	const_iv (RUNRECOVERY)	1207	const_iv (RUNRECOVERY)
922	const_iv (OLD_VERSION)	1208	const_iv (OLD_VERSION)
923	const_iv (REP_HANDLE_DEAD)	1209	const_iv (REP_HANDLE_DEAD)
924	const_iv (REP_LOCKOUT)
925	const_iv (SECONDARY_BAD)	1210	const_iv (SECONDARY_BAD)
926
927	const_iv (FREE_SPACE)
928	const_iv (FREELIST_ONLY)
929		1211
930	const_iv (APPEND)	1212	const_iv (APPEND)
931	const_iv (NODUPDATA)	1213	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1214	const_iv (NOOVERWRITE)
933		1215
934	const_iv (TXN_NOWAIT)	1216	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1217	const_iv (TXN_SYNC)
937		1218
938	const_iv (SET_LOCK_TIMEOUT)	1219	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1220	const_iv (SET_TXN_TIMEOUT)
940		1221
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1222	const_iv (FIRST)
943	const_iv (NEXT)	1223	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1224	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1225	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1226	const_iv (PREV)
…		…
952	const_iv (AFTER)	1232	const_iv (AFTER)
953	const_iv (CURRENT)	1233	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1234	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1235	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1236	const_iv (NODUPDATA)
		1237
		1238	const_iv (FORCE)
		1239
		1240	const_iv (LOCK_DEFAULT)
		1241	const_iv (LOCK_EXPIRE)
		1242	const_iv (LOCK_MAXLOCKS)
		1243	const_iv (LOCK_MINLOCKS)
		1244	const_iv (LOCK_MINWRITE)
		1245	const_iv (LOCK_OLDEST)
		1246	const_iv (LOCK_RANDOM)
		1247	const_iv (LOCK_YOUNGEST)
		1248
		1249	const_iv (DONOTINDEX)
		1250	const_iv (KEYEMPTY )
		1251	const_iv (KEYEXIST )
		1252	const_iv (LOCK_DEADLOCK)
		1253	const_iv (LOCK_NOTGRANTED)
		1254	const_iv (NOSERVER)
		1255	const_iv (NOSERVER_HOME)
		1256	const_iv (NOSERVER_ID)
		1257	const_iv (NOTFOUND)
		1258	const_iv (PAGE_NOTFOUND)
		1259	const_iv (REP_DUPMASTER)
		1260	const_iv (REP_HANDLE_DEAD)
		1261	const_iv (REP_HOLDELECTION)
		1262	const_iv (REP_ISPERM)
		1263	const_iv (REP_NEWMASTER)
		1264	const_iv (REP_NEWSITE)
		1265	const_iv (REP_NOTPERM)
		1266	const_iv (REP_UNAVAIL)
		1267	const_iv (RUNRECOVERY)
		1268	const_iv (SECONDARY_BAD)
		1269	const_iv (VERIFY_BAD)
		1270
		1271	const_iv (VERB_DEADLOCK)
		1272	const_iv (VERB_RECOVERY)
		1273	const_iv (VERB_REPLICATION)
		1274	const_iv (VERB_WAITSFOR)
		1275
		1276	const_iv (VERSION_MAJOR)
		1277	const_iv (VERSION_MINOR)
		1278	const_iv (VERSION_PATCH)
		1279	#if DB_VERSION_MINOR >= 3
		1280	const_iv (INORDER)
		1281	const_iv (LOCK_MAXWRITE)
		1282	const_iv (SEQ_DEC)
		1283	const_iv (SEQ_INC)
		1284	const_iv (SEQ_WRAP)
		1285	const_iv (BUFFER_SMALL)
		1286	const_iv (LOG_BUFFER_FULL)
		1287	const_iv (VERSION_MISMATCH)
		1288	#endif
		1289	#if DB_VERSION_MINOR >= 4
		1290	const_iv (REGISTER)
		1291	const_iv (DSYNC_DB)
		1292	const_iv (READ_COMMITTED)
		1293	const_iv (READ_UNCOMMITTED)
		1294	const_iv (REP_IGNORE)
		1295	const_iv (REP_LOCKOUT)
		1296	const_iv (REP_JOIN_FAILURE)
		1297	const_iv (FREE_SPACE)
		1298	const_iv (FREELIST_ONLY)
		1299	const_iv (VERB_REGISTER)
		1300	#endif
		1301	#if DB_VERSION_MINOR >= 5
		1302	const_iv (MULTIVERSION)
		1303	const_iv (TXN_SNAPSHOT)
		1304	#endif
		1305	#if DB_VERSION_MINOR >= 6
		1306	const_iv (PREV_DUP)
		1307	const_iv (PRIORITY_UNCHANGED)
		1308	const_iv (PRIORITY_VERY_LOW)
		1309	const_iv (PRIORITY_LOW)
		1310	const_iv (PRIORITY_DEFAULT)
		1311	const_iv (PRIORITY_HIGH)
		1312	const_iv (PRIORITY_VERY_HIGH)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 7
		1315	const_iv (LOG_DIRECT)
		1316	const_iv (LOG_DSYNC)
		1317	const_iv (LOG_AUTO_REMOVE)
		1318	const_iv (LOG_IN_MEMORY)
		1319	const_iv (LOG_ZERO)
		1320	#else
		1321	const_iv (DIRECT_LOG)
		1322	const_iv (LOG_AUTOREMOVE)
		1323	# if DB_VERSION_MINOR >= 3
		1324	const_iv (DSYNC_LOG)
		1325	const_iv (LOG_INMEMORY)
		1326	# endif
		1327	#endif
957	};	1328	};
958		1329
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1330	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1331	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1332
962	create_pipe ();	1333	{
		1334	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1335	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1336
		1337	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1338	}
		1339
		1340	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1341
		1342	create_respipe ();
		1343
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1344	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1345	patch_errno ();
964	}	1346	}
965		1347
966	void	1348	void
967	max_poll_reqs (int nreqs)	1349	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1350	PROTOTYPE: $
…		…
1087		1469
1088	int	1470	int
1089	nthreads ()	1471	nthreads ()
1090	PROTOTYPE:	1472	PROTOTYPE:
1091	CODE:	1473	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1474	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1475	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1476	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1477	OUTPUT:
1096	RETVAL	1478	RETVAL
1097		1479
1098	void	1480	void
1099	set_sync_prepare (SV *cb)	1481	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1482	PROTOTYPE: &
1101	CODE:	1483	CODE:
1102	SvREFCNT_dec (prepare_cb);	1484	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1485	prepare_cb = newSVsv (cb);
		1486
		1487	char *
		1488	strerror (int errorno = errno)
		1489	PROTOTYPE: ;$
		1490	CODE:
		1491	RETVAL = db_strerror (errorno);
		1492	OUTPUT:
		1493	RETVAL
		1494
		1495	void _on_next_submit (SV *cb)
		1496	CODE:
		1497	SvREFCNT_dec (on_next_submit);
		1498	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1104		1499
1105	DB_ENV *	1500	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1501	db_env_create (U32 env_flags = 0)
1107	CODE:	1502	CODE:
1108	{	1503	{
1109	errno = db_env_create (&RETVAL, env_flags);	1504	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1505	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1506	croak ("db_env_create: %s", db_strerror (errno));
		1507
		1508	if (0)
		1509	{
		1510	RETVAL->set_errcall (RETVAL, debug_errcall);
		1511	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1512	}
1112	}	1513	}
1113	OUTPUT:	1514	OUTPUT:
1114	RETVAL	1515	RETVAL
1115		1516
1116	void	1517	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1518	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1519	PREINIT:
		1520	CALLBACK
1118	CODE:	1521	CODE:
1119	{	1522	{
1120	dREQ (REQ_ENV_OPEN);	1523	dREQ (REQ_ENV_OPEN, 1);
1121	req->env = env;	1524	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1525	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1526	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1527	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1528	REQ_SEND;
1126	}	1529	}
1127		1530
1128	void	1531	void
1129	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1532	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1533	PREINIT:
		1534	CALLBACK
1130	CODE:	1535	CODE:
1131	{	1536	{
1132	dREQ (REQ_ENV_CLOSE);	1537	dREQ (REQ_ENV_CLOSE, 1);
1133	req->env = env;	1538	req->env = env;
1134	req->uint1 = flags;	1539	req->uint1 = flags;
1135	REQ_SEND;	1540	REQ_SEND;
1136	ptr_nuke (ST (0));	1541	ptr_nuke (ST (0));
		1542	}
		1543
		1544	void
		1545	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1546	PREINIT:
		1547	CALLBACK
		1548	CODE:
		1549	{
		1550	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1551	req->env = env;
		1552	req->uint1 = kbyte;
		1553	req->int1 = min;
		1554	req->uint2 = flags;
		1555	REQ_SEND;
		1556	}
		1557
		1558	void
		1559	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1560	PREINIT:
		1561	CALLBACK
		1562	CODE:
		1563	{
		1564	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1565	req->env = env;
		1566	req->uint1 = flags;
		1567	req->uint2 = atype;
		1568	/* req->int2 = 0; dummy */
		1569	REQ_SEND;
		1570	}
		1571
		1572	void
		1573	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1574	PREINIT:
		1575	CALLBACK
		1576	CODE:
		1577	{
		1578	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1579	req->env = env;
		1580	REQ_SEND;
		1581	}
		1582
		1583	void
		1584	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1585	PREINIT:
		1586	CALLBACK
		1587	CODE:
		1588	{
		1589	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1590	req->env = env;
		1591	req->int1 = percent;
		1592	REQ_SEND;
		1593	}
		1594
		1595	void
		1596	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1597	PREINIT:
		1598	CALLBACK
		1599	CODE:
		1600	{
		1601	dREQ (REQ_ENV_DBREMOVE, 2);
		1602	req->env = env;
		1603	req->buf1 = strdup_ornull (file);
		1604	req->buf2 = strdup_ornull (database);
		1605	req->uint1 = flags;
		1606	REQ_SEND;
		1607	}
		1608
		1609	void
		1610	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)
		1611	PREINIT:
		1612	CALLBACK
		1613	CODE:
		1614	{
		1615	dREQ (REQ_ENV_DBRENAME, 2);
		1616	req->env = env;
		1617	req->buf1 = strdup_ornull (file);
		1618	req->buf2 = strdup_ornull (database);
		1619	req->buf3 = strdup_ornull (newname);
		1620	req->uint1 = flags;
		1621	REQ_SEND;
1137	}	1622	}
1138		1623
1139	DB *	1624	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1625	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1626	CODE:
…		…
1149	}	1634	}
1150	OUTPUT:	1635	OUTPUT:
1151	RETVAL	1636	RETVAL
1152		1637
1153	void	1638	void
1154	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1639	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1640	PREINIT:
		1641	CALLBACK
1155	CODE:	1642	CODE:
1156	{	1643	{
1157	dREQ (REQ_DB_OPEN);	1644	dREQ (REQ_DB_OPEN, 2);
1158	req->db = db;	1645	req->db = db;
1159	req->txn = txnid;	1646	req->txn = txnid;
1160	req->buf1 = strdup_ornull (file);	1647	req->buf1 = strdup_ornull (file);
1161	req->buf2 = strdup_ornull (database);	1648	req->buf2 = strdup_ornull (database);
1162	req->int1 = type;	1649	req->int1 = type;
…		…
1164	req->int2 = mode;	1651	req->int2 = mode;
1165	REQ_SEND;	1652	REQ_SEND;
1166	}	1653	}
1167		1654
1168	void	1655	void
1169	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1656	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
1170	CODE:	1659	CODE:
1171	{	1660	{
1172	dREQ (REQ_DB_CLOSE);	1661	dREQ (REQ_DB_CLOSE, 1);
1173	req->db = db;	1662	req->db = db;
1174	req->uint1 = flags;	1663	req->uint1 = flags;
1175	req->sv1 = (SV *)db->app_private;	1664	req->sv1 = (SV *)db->app_private;
1176	REQ_SEND;	1665	REQ_SEND;
1177	ptr_nuke (ST (0));	1666	ptr_nuke (ST (0));
1178	}	1667	}
1179		1668
		1669	#if DB_VERSION_MINOR >= 4
		1670
1180	void	1671	void
1181	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)	1672	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)
		1673	PREINIT:
		1674	CALLBACK
1182	CODE:	1675	CODE:
1183	{	1676	{
1184	dREQ (REQ_DB_COMPACT);	1677	dREQ (REQ_DB_COMPACT, 2);
1185	req->db = db;	1678	req->db = db;
1186	req->txn = txn;	1679	req->txn = txn;
1187	sv_to_dbt (&req->dbt1, start);	1680	sv_to_dbt (&req->dbt1, start);
1188	sv_to_dbt (&req->dbt2, stop);	1681	sv_to_dbt (&req->dbt2, stop);
1189	req->uint1 = flags;	1682	req->uint1 = flags;
1190	REQ_SEND;	1683	REQ_SEND;
1191	}	1684	}
1192		1685
		1686	#endif
		1687
1193	void	1688	void
1194	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1689	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1690	PREINIT:
		1691	CALLBACK
1195	CODE:	1692	CODE:
1196	{	1693	{
1197	dREQ (REQ_DB_SYNC);	1694	dREQ (REQ_DB_SYNC, 1);
1198	req->db = db;	1695	req->db = db;
1199	req->uint1 = flags;	1696	req->uint1 = flags;
1200	REQ_SEND;	1697	REQ_SEND;
1201	}	1698	}
1202		1699
1203	void	1700	void
		1701	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1702	PREINIT:
		1703	CALLBACK
		1704	CODE:
		1705	{
		1706	dREQ (REQ_DB_SYNC, 1);
		1707	req->db = db;
		1708	req->buf1 = strdup (file);
		1709	req->uint1 = flags;
		1710	REQ_SEND;
		1711	}
		1712
		1713	void
		1714	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1715	PREINIT:
		1716	CALLBACK
		1717	CODE:
		1718	{
		1719	dREQ (REQ_DB_KEY_RANGE, 2);
		1720	req->db = db;
		1721	req->txn = txn;
		1722	sv_to_dbt (&req->dbt1, key);
		1723	req->uint1 = flags;
		1724	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1725	REQ_SEND;
		1726	}
		1727
		1728	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1729	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1730	PREINIT:
		1731	CALLBACK
1205	CODE:	1732	CODE:
1206	{	1733	{
1207	dREQ (REQ_DB_PUT);	1734	dREQ (REQ_DB_PUT, 2);
1208	req->db = db;	1735	req->db = db;
1209	req->txn = txn;	1736	req->txn = txn;
1210	sv_to_dbt (&req->dbt1, key);	1737	sv_to_dbt (&req->dbt1, key);
1211	sv_to_dbt (&req->dbt2, data);	1738	sv_to_dbt (&req->dbt2, data);
1212	req->uint1 = flags;	1739	req->uint1 = flags;
1213	REQ_SEND;	1740	REQ_SEND;
1214	}	1741	}
1215		1742
		1743	#if DB_VERSION_MINOR >= 6
		1744
1216	void	1745	void
		1746	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
		1749	CODE:
		1750	{
		1751	dREQ (REQ_DB_EXISTS, 2);
		1752	req->db = db;
		1753	req->txn = txn;
		1754	req->uint1 = flags;
		1755	sv_to_dbt (&req->dbt1, key);
		1756	REQ_SEND;
		1757	}
		1758
		1759	#endif
		1760
		1761	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1762	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1763	PREINIT:
		1764	CALLBACK
1218	CODE:	1765	CODE:
		1766	if (SvREADONLY (data))
		1767	croak ("can't modify read-only data scalar in db_get");
1219	{	1768	{
1220	dREQ (REQ_DB_GET);	1769	dREQ (REQ_DB_GET, 2);
1221	req->db = db;	1770	req->db = db;
1222	req->txn = txn;	1771	req->txn = txn;
1223	req->uint1 = flags;	1772	req->uint1 = flags;
1224	sv_to_dbt (&req->dbt1, key);	1773	sv_to_dbt (&req->dbt1, key);
1225	req->dbt3.flags = DB_DBT_MALLOC;	1774	req->dbt3.flags = DB_DBT_MALLOC;
1226	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1775	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1227	REQ_SEND;	1776	REQ_SEND;
1228	}	1777	}
1229		1778
1230	void	1779	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1232	CODE:	1783	CODE:
		1784	if (SvREADONLY (data))
		1785	croak ("can't modify read-only data scalar in db_pget");
1233	{	1786	{
1234	dREQ (REQ_DB_PGET);	1787	dREQ (REQ_DB_PGET, 2);
1235	req->db = db;	1788	req->db = db;
1236	req->txn = txn;	1789	req->txn = txn;
1237	req->uint1 = flags;	1790	req->uint1 = flags;
1238	sv_to_dbt (&req->dbt1, key);	1791	sv_to_dbt (&req->dbt1, key);
1239	sv_to_dbt (&req->dbt2, pkey);	1792	sv_to_dbt (&req->dbt2, pkey);
…		…
1241	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1794	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1242	REQ_SEND;	1795	REQ_SEND;
1243	}	1796	}
1244		1797
1245	void	1798	void
1246	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1799	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1800	PREINIT:
		1801	CALLBACK
1247	CODE:	1802	CODE:
1248	{	1803	{
1249	dREQ (REQ_DB_DEL);	1804	dREQ (REQ_DB_DEL, 2);
1250	req->db = db;	1805	req->db = db;
1251	req->txn = txn;	1806	req->txn = txn;
1252	req->uint1 = flags;	1807	req->uint1 = flags;
1253	sv_to_dbt (&req->dbt1, key);	1808	sv_to_dbt (&req->dbt1, key);
1254	REQ_SEND;	1809	REQ_SEND;
1255	}	1810	}
1256		1811
1257	void	1812	void
1258	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1813	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1814	PREINIT:
		1815	CALLBACK
1259	CODE:	1816	CODE:
1260	{	1817	{
1261	dREQ (REQ_TXN_COMMIT);	1818	dREQ (REQ_TXN_COMMIT, 1);
1262	req->txn = txn;	1819	req->txn = txn;
1263	req->uint1 = flags;	1820	req->uint1 = flags;
1264	REQ_SEND;	1821	REQ_SEND;
1265	ptr_nuke (ST (0));	1822	ptr_nuke (ST (0));
1266	}	1823	}
1267		1824
1268	void	1825	void
1269	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1826	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1827	PREINIT:
		1828	CALLBACK
1270	CODE:	1829	CODE:
1271	{	1830	{
1272	dREQ (REQ_TXN_ABORT);	1831	dREQ (REQ_TXN_ABORT, 1);
1273	req->txn = txn;	1832	req->txn = txn;
1274	REQ_SEND;	1833	REQ_SEND;
1275	ptr_nuke (ST (0));	1834	ptr_nuke (ST (0));
1276	}	1835	}
1277		1836
1278	void	1837	void
		1838	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1839	PREINIT:
		1840	CALLBACK
		1841	CODE:
		1842	{
		1843	dREQ (REQ_TXN_FINISH, 1);
		1844	req->txn = txn;
		1845	req->uint1 = flags;
		1846	REQ_SEND;
		1847	ptr_nuke (ST (0));
		1848	}
		1849
		1850	void
1279	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1851	db_c_close (DBC *dbc, SV *callback = 0)
		1852	PREINIT:
		1853	CALLBACK
1280	CODE:	1854	CODE:
1281	{	1855	{
1282	dREQ (REQ_C_CLOSE);	1856	dREQ (REQ_C_CLOSE, 1);
1283	req->dbc = dbc;	1857	req->dbc = dbc;
1284	REQ_SEND;	1858	REQ_SEND;
1285	ptr_nuke (ST (0));	1859	ptr_nuke (ST (0));
1286	}	1860	}
1287		1861
1288	void	1862	void
1289	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1863	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1864	PREINIT:
		1865	CALLBACK
1290	CODE:	1866	CODE:
1291	{	1867	{
1292	dREQ (REQ_C_COUNT);	1868	dREQ (REQ_C_COUNT, 1);
1293	req->dbc = dbc;	1869	req->dbc = dbc;
1294	req->sv1 = SvREFCNT_inc (count);	1870	req->sv1 = SvREFCNT_inc (count);
1295	REQ_SEND;	1871	REQ_SEND;
1296	}	1872	}
1297		1873
1298	void	1874	void
1299	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1875	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1876	PREINIT:
		1877	CALLBACK
1300	CODE:	1878	CODE:
1301	{	1879	{
1302	dREQ (REQ_C_PUT);	1880	dREQ (REQ_C_PUT, 1);
1303	req->dbc = dbc;	1881	req->dbc = dbc;
1304	sv_to_dbt (&req->dbt1, key);	1882	sv_to_dbt (&req->dbt1, key);
1305	sv_to_dbt (&req->dbt2, data);	1883	sv_to_dbt (&req->dbt2, data);
1306	req->uint1 = flags;	1884	req->uint1 = flags;
1307	REQ_SEND;	1885	REQ_SEND;
1308	}	1886	}
1309		1887
1310	void	1888	void
1311	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1889	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1890	PREINIT:
		1891	CALLBACK
1312	CODE:	1892	CODE:
1313	{	1893	{
1314	dREQ (REQ_C_GET);	1894	dREQ (REQ_C_GET, 1);
1315	req->dbc = dbc;	1895	req->dbc = dbc;
1316	req->uint1 = flags;	1896	req->uint1 = flags;
1317	if ((flags & DB_SET) == DB_SET	1897	if ((flags & DB_SET) == DB_SET
1318	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1898	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1319	sv_to_dbt (&req->dbt1, key);	1899	sv_to_dbt (&req->dbt1, key);
…		…
1331	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1911	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1332	REQ_SEND;	1912	REQ_SEND;
1333	}	1913	}
1334		1914
1335	void	1915	void
1336	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1916	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1917	PREINIT:
		1918	CALLBACK
1337	CODE:	1919	CODE:
1338	{	1920	{
1339	dREQ (REQ_C_PGET);	1921	dREQ (REQ_C_PGET, 1);
1340	req->dbc = dbc;	1922	req->dbc = dbc;
1341	req->uint1 = flags;	1923	req->uint1 = flags;
1342	if ((flags & DB_SET) == DB_SET	1924	if ((flags & DB_SET) == DB_SET
1343	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	1925	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1344	sv_to_dbt (&req->dbt1, key);	1926	sv_to_dbt (&req->dbt1, key);
…		…
1359	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1360	REQ_SEND;	1942	REQ_SEND;
1361	}	1943	}
1362		1944
1363	void	1945	void
1364	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1946	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1947	PREINIT:
		1948	CALLBACK
1365	CODE:	1949	CODE:
1366	{	1950	{
1367	dREQ (REQ_C_DEL);	1951	dREQ (REQ_C_DEL, 1);
1368	req->dbc = dbc;	1952	req->dbc = dbc;
1369	req->uint1 = flags;	1953	req->uint1 = flags;
1370	REQ_SEND;	1954	REQ_SEND;
1371	}	1955	}
1372		1956
1373		1957
		1958	#if DB_VERSION_MINOR >= 3
		1959
		1960	void
		1961	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1962	PREINIT:
		1963	CALLBACK
		1964	CODE:
		1965	{
		1966	dREQ (REQ_SEQ_OPEN, 2);
		1967	req->seq = seq;
		1968	req->txn = txnid;
		1969	req->uint1 = flags | DB_THREAD;
		1970	sv_to_dbt (&req->dbt1, key);
		1971	REQ_SEND;
		1972	}
		1973
		1974	void
		1975	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1976	PREINIT:
		1977	CALLBACK
		1978	CODE:
		1979	{
		1980	dREQ (REQ_SEQ_CLOSE, 1);
		1981	req->seq = seq;
		1982	req->uint1 = flags;
		1983	REQ_SEND;
		1984	ptr_nuke (ST (0));
		1985	}
		1986
		1987	void
		1988	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1989	PREINIT:
		1990	CALLBACK
		1991	CODE:
		1992	{
		1993	dREQ (REQ_SEQ_GET, 2);
		1994	req->seq = seq;
		1995	req->txn = txnid;
		1996	req->int1 = delta;
		1997	req->uint1 = flags;
		1998	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1999	REQ_SEND;
		2000	}
		2001
		2002	void
		2003	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2004	PREINIT:
		2005	CALLBACK
		2006	CODE:
		2007	{
		2008	dREQ (REQ_SEQ_REMOVE, 2);
		2009	req->seq = seq;
		2010	req->txn = txnid;
		2011	req->uint1 = flags;
		2012	REQ_SEND;
		2013	}
		2014
		2015	#endif
		2016
		2017
1374	MODULE = BDB PACKAGE = BDB::Env	2018	MODULE = BDB PACKAGE = BDB::Env
1375		2019
1376	void	2020	void
1377	DESTROY (DB_ENV_ornull *env)	2021	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	2022	CODE:
1379	if (env)	2023	if (env)
1380	env->close (env, 0);	2024	env->close (env, 0);
1381		2025
		2026	int set_data_dir (DB_ENV *env, const char *dir)
		2027	CODE:
		2028	RETVAL = env->set_data_dir (env, dir);
		2029	OUTPUT:
		2030	RETVAL
		2031
		2032	int set_tmp_dir (DB_ENV *env, const char *dir)
		2033	CODE:
		2034	RETVAL = env->set_tmp_dir (env, dir);
		2035	OUTPUT:
		2036	RETVAL
		2037
		2038	int set_lg_dir (DB_ENV *env, const char *dir)
		2039	CODE:
		2040	RETVAL = env->set_lg_dir (env, dir);
		2041	OUTPUT:
		2042	RETVAL
		2043
		2044	int set_shm_key (DB_ENV *env, long shm_key)
		2045	CODE:
		2046	RETVAL = env->set_shm_key (env, shm_key);
		2047	OUTPUT:
		2048	RETVAL
		2049
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2050	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	2051	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2052	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	2053	OUTPUT:
1386	RETVAL	2054	RETVAL
1387		2055
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	2056	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	2057	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	2058	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	2059	OUTPUT:
1392	RETVAL	2060	RETVAL
1393		2061
		2062	#if DB_VERSION_MINOR >= 7
		2063
		2064	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2065	CODE:
		2066	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2067	OUTPUT:
		2068	RETVAL
		2069
		2070	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2071	CODE:
		2072	RETVAL = env->log_set_config (env, flags, onoff);
		2073	OUTPUT:
		2074	RETVAL
		2075
		2076	#endif
		2077
		2078
		2079	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2080	CODE:
		2081	env->set_errfile (env, errfile);
		2082
		2083	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2084	CODE:
		2085	env->set_msgfile (env, msgfile);
		2086
		2087	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2088	CODE:
		2089	RETVAL = env->set_verbose (env, which, onoff);
		2090	OUTPUT:
		2091	RETVAL
		2092
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2093	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	2094	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	2095	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	2096	OUTPUT:
1398	RETVAL	2097	RETVAL
1399		2098
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2099	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	2100	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2101	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	2102	OUTPUT:
1404	RETVAL	2103	RETVAL
		2104
		2105	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2106	CODE:
		2107	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2108	OUTPUT:
		2109	RETVAL
		2110
		2111	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2112	CODE:
		2113	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2114	OUTPUT:
		2115	RETVAL
		2116
		2117	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2118	CODE:
		2119	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2120	OUTPUT:
		2121	RETVAL
		2122
		2123	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2124	CODE:
		2125	RETVAL = env->set_lk_detect (env, detect);
		2126	OUTPUT:
		2127	RETVAL
		2128
		2129	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2130	CODE:
		2131	RETVAL = env->set_lk_max_lockers (env, max);
		2132	OUTPUT:
		2133	RETVAL
		2134
		2135	int set_lk_max_locks (DB_ENV *env, U32 max)
		2136	CODE:
		2137	RETVAL = env->set_lk_max_locks (env, max);
		2138	OUTPUT:
		2139	RETVAL
		2140
		2141	int set_lk_max_objects (DB_ENV *env, U32 max)
		2142	CODE:
		2143	RETVAL = env->set_lk_max_objects (env, max);
		2144	OUTPUT:
		2145	RETVAL
		2146
		2147	int set_lg_bsize (DB_ENV *env, U32 max)
		2148	CODE:
		2149	RETVAL = env->set_lg_bsize (env, max);
		2150	OUTPUT:
		2151	RETVAL
		2152
		2153	int set_lg_max (DB_ENV *env, U32 max)
		2154	CODE:
		2155	RETVAL = env->set_lg_max (env, max);
		2156	OUTPUT:
		2157	RETVAL
		2158
		2159	#if DB_VERSION_MINOR >= 4
		2160
		2161	int mutex_set_max (DB_ENV *env, U32 max)
		2162	CODE:
		2163	RETVAL = env->mutex_set_max (env, max);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	int mutex_set_increment (DB_ENV *env, U32 increment)
		2168	CODE:
		2169	RETVAL = env->mutex_set_increment (env, increment);
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2174	CODE:
		2175	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2176	OUTPUT:
		2177	RETVAL
		2178
		2179	int mutex_set_align (DB_ENV *env, U32 align)
		2180	CODE:
		2181	RETVAL = env->mutex_set_align (env, align);
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
1405		2186
1406	DB_TXN *	2187	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2188	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	2189	CODE:
1409	errno = env->txn_begin (env, parent, &RETVAL, flags);	2190	errno = env->txn_begin (env, parent, &RETVAL, flags);
1410	if (errno)	2191	if (errno)
1411	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2192	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1412	OUTPUT:	2193	OUTPUT:
1413	RETVAL	2194	RETVAL
1414		2195
		2196	#if DB_VERSION_MINOR >= 5
		2197
		2198	DB_TXN *
		2199	cdsgroup_begin (DB_ENV *env)
		2200	CODE:
		2201	errno = env->cdsgroup_begin (env, &RETVAL);
		2202	if (errno)
		2203	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2204	OUTPUT:
		2205	RETVAL
		2206
		2207	#endif
		2208
1415	MODULE = BDB PACKAGE = BDB::Db	2209	MODULE = BDB PACKAGE = BDB::Db
1416		2210
1417	void	2211	void
1418	DESTROY (DB_ornull *db)	2212	DESTROY (DB_ornuked *db)
1419	CODE:	2213	CODE:
1420	if (db)	2214	if (db)
1421	{	2215	{
1422	SV *env = (SV *)db->app_private;	2216	SV *env = (SV *)db->app_private;
1423	db->close (db, 0);	2217	db->close (db, 0);
…		…
1428	CODE:	2222	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2223	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	2224	OUTPUT:
1431	RETVAL	2225	RETVAL
1432		2226
1433	int set_flags (DB *db, U32 flags);	2227	int set_flags (DB *db, U32 flags)
1434	CODE:	2228	CODE:
1435	RETVAL = db->set_flags (db, flags);	2229	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	2230	OUTPUT:
1437	RETVAL	2231	RETVAL
1438		2232
…		…
1446	CODE:	2240	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	2241	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	2242	OUTPUT:
1449	RETVAL	2243	RETVAL
1450		2244
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	2245	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	2246	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	2247	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	2248	OUTPUT:
1456	RETVAL	2249	RETVAL
1457		2250
1458	int set_re_delim(DB *db, int delim);	2251	int set_re_delim (DB *db, int delim)
1459	CODE:	2252	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	2253	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	2254	OUTPUT:
1462	RETVAL	2255	RETVAL
1463		2256
…		…
1504	if (errno)	2297	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2298	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2299	OUTPUT:
1507	RETVAL	2300	RETVAL
1508		2301
		2302	#if DB_VERSION_MINOR >= 3
		2303
		2304	DB_SEQUENCE *
		2305	sequence (DB *db, U32 flags = 0)
		2306	CODE:
		2307	{
		2308	errno = db_sequence_create (&RETVAL, db, flags);
		2309	if (errno)
		2310	croak ("db_sequence_create: %s", db_strerror (errno));
		2311	}
		2312	OUTPUT:
		2313	RETVAL
		2314
		2315	#endif
		2316
1509		2317
1510	MODULE = BDB PACKAGE = BDB::Txn	2318	MODULE = BDB PACKAGE = BDB::Txn
1511		2319
1512	void	2320	void
1513	DESTROY (DB_TXN_ornull *txn)	2321	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2322	CODE:
1515	if (txn)	2323	if (txn)
1516	txn->abort (txn);	2324	txn->abort (txn);
1517		2325
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2326	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2327	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2328	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2329	OUTPUT:
1522	RETVAL	2330	RETVAL
1523		2331
		2332	int failed (DB_TXN *txn)
		2333	CODE:
		2334	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2335	OUTPUT:
		2336	RETVAL
		2337
1524		2338
1525	MODULE = BDB PACKAGE = BDB::Cursor	2339	MODULE = BDB PACKAGE = BDB::Cursor
1526		2340
1527	void	2341	void
1528	DESTROY (DBC_ornull *dbc)	2342	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2343	CODE:
1530	if (dbc)	2344	if (dbc)
1531	dbc->c_close (dbc);	2345	dbc->c_close (dbc);
1532		2346
		2347	#if DB_VERSION_MINOR >= 6
		2348
		2349	int set_priority (DBC *dbc, int priority)
		2350	CODE:
		2351	dbc->set_priority (dbc, priority);
		2352
		2353	#endif
		2354
		2355	#if DB_VERSION_MINOR >= 3
		2356
		2357	MODULE = BDB PACKAGE = BDB::Sequence
		2358
		2359	void
		2360	DESTROY (DB_SEQUENCE_ornuked *seq)
		2361	CODE:
		2362	if (seq)
		2363	seq->close (seq, 0);
		2364
		2365	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2366	CODE:
		2367	RETVAL = seq->initial_value (seq, value);
		2368	OUTPUT:
		2369	RETVAL
		2370
		2371	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2372	CODE:
		2373	RETVAL = seq->set_cachesize (seq, size);
		2374	OUTPUT:
		2375	RETVAL
		2376
		2377	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2378	CODE:
		2379	RETVAL = seq->set_flags (seq, flags);
		2380	OUTPUT:
		2381	RETVAL
		2382
		2383	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2384	CODE:
		2385	RETVAL = seq->set_range (seq, min, max);
		2386	OUTPUT:
		2387	RETVAL
		2388
		2389	#endif
		2390
		2391

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