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Comparing BDB/BDB.xs (file contents):
Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC vs.
Revision 1.48 by root, Tue Jul 29 03:33:16 2008 UTC

		1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
		2
1	#include "xthread.h"	3	#include "xthread.h"
2		4
3	#include <errno.h>	5	#include <errno.h>
4		6
5	#include "EXTERN.h"	7	#include "EXTERN.h"
6	#include "perl.h"	8	#include "perl.h"
7	#include "XSUB.h"	9	#include "XSUB.h"
8		10
		11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
		19
9	#include <stddef.h>	20	#include <stddef.h>
10	#include <stdlib.h>	21	#include <stdlib.h>
11	#include <errno.h>	22	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	23	#include <sys/types.h>
14	#include <limits.h>	24	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	25	#include <fcntl.h>
17		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
18	#include <db.h>	32	#include <db.h>
19		33
20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
21	# error you need Berkeley DB 4.5 or newer installed	35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
22	#endif	36	#endif
23		37
24	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
26		40
27	typedef DB_ENV DB_ENV_ornull;	41	typedef DB_ENV DB_ENV_ornull;
28	typedef DB_TXN DB_TXN_ornull;	42	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	43	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	44	typedef DB DB_ornull;
		45
		46	typedef DB_ENV DB_ENV_ornuked;
		47	typedef DB_TXN DB_TXN_ornuked;
		48	typedef DBC DBC_ornuked;
		49	typedef DB DB_ornuked;
		50
		51	#if DB_VERSION_MINOR >= 3
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	52	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		53	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		54	#endif
32		55
33	typedef SV SV8; /* byte-sv, used for argument-checking */	56	typedef SV SV8; /* byte-sv, used for argument-checking */
34	typedef char *octetstring;	57	typedef char *bdb_filename;
35		58
36	static SV *prepare_cb;	59	static SV *prepare_cb;
37		60
		61	#if DB_VERSION_MINOR >= 6
		62	# define c_close close
		63	# define c_count count
		64	# define c_del del
		65	# define c_dup dup
		66	# define c_get get
		67	# define c_pget pget
		68	# define c_put put
		69	#endif
		70
38	static inline char *	71	static char *
		72	get_bdb_filename (SV *sv)
		73	{
		74	if (!SvOK (sv))
		75	return 0;
		76
		77	#if _WIN32
		78	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		79	{
		80	STRLEN len;
		81	char *src = SvPVbyte (sv, len);
		82	SV *t1 = sv_newmortal ();
		83	SV *t2 = sv_newmortal ();
		84
		85	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		86	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		87
		88	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		89	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		90	SvPOK_only (t2);
		91	SvPVX (t2)[len] = 0;
		92	SvCUR_set (t2, len);
		93
		94	return SvPVX (t2);
		95	}
		96	#else
		97	return SvPVbyte_nolen (sv);
		98	#endif
		99	}
		100
		101	static void
		102	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		103	{
		104	printf ("err[%s]\n", msg);
		105	}
		106
		107	static void
		108	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		109	{
		110	printf ("msg[%s]\n", msg);
		111	}
		112
		113	static char *
39	strdup_ornull (const char *s)	114	strdup_ornull (const char *s)
40	{	115	{
41	return s ? strdup (s) : 0;	116	return s ? strdup (s) : 0;
42	}	117	}
43		118
44	static inline void	119	static void
45	sv_to_dbt (DBT *dbt, SV *sv)	120	sv_to_dbt (DBT *dbt, SV *sv)
46	{	121	{
47	STRLEN len;	122	STRLEN len;
48	char *data = SvPVbyte (sv, len);	123	char *data = SvPVbyte (sv, len);
49		124
…		…
51	memcpy (dbt->data, data, len);	126	memcpy (dbt->data, data, len);
52	dbt->size = len;	127	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	128	dbt->flags = DB_DBT_REALLOC;
54	}	129	}
55		130
56	static inline void	131	static void
57	dbt_to_sv (SV *sv, DBT *dbt)	132	dbt_to_sv (SV *sv, DBT *dbt)
58	{	133	{
59	if (sv)	134	if (sv)
60	{	135	{
61	SvREADONLY_off (sv);	136	SvREADONLY_off (sv);
…		…
67	}	142	}
68		143
69	enum {	144	enum {
70	REQ_QUIT,	145	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	146	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	147	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
73	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	148	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
74	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	149	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
75	REQ_TXN_COMMIT, REQ_TXN_ABORT,	150	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
76	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	151	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
77	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	152	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	153	};
79		154
80	typedef struct aio_cb	155	typedef struct bdb_cb
81	{	156	{
82	struct aio_cb *volatile next;	157	struct bdb_cb *volatile next;
83	SV *callback;	158	SV *callback;
84	int type, pri, result;	159	int type, pri, result;
85		160
86	DB_ENV *env;	161	DB_ENV *env;
87	DB *db;	162	DB *db;
…		…
89	DBC *dbc;	164	DBC *dbc;
90		165
91	UV uv1;	166	UV uv1;
92	int int1, int2;	167	int int1, int2;
93	U32 uint1, uint2;	168	U32 uint1, uint2;
94	char *buf1, *buf2;	169	char *buf1, *buf2, *buf3;
95	SV *sv1, *sv2, *sv3;	170	SV *sv1, *sv2, *sv3;
96		171
97	DBT dbt1, dbt2, dbt3;	172	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	173	DB_KEY_RANGE key_range;
		174	#if DB_VERSION_MINOR >= 3
99	DB_SEQUENCE *seq;	175	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	176	db_seq_t seq_t;
101	} aio_cb;	177	#endif
		178	} bdb_cb;
102		179
103	typedef aio_cb *aio_req;	180	typedef bdb_cb *bdb_req;
104		181
105	enum {	182	enum {
106	PRI_MIN = -4,	183	PRI_MIN = -4,
107	PRI_MAX = 4,	184	PRI_MAX = 4,
108		185
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	188	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	189	};
113		190
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	191	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		192
		193	static SV *on_next_submit;
		194
116	static unsigned int max_poll_time = 0;	195	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	196	static unsigned int max_poll_reqs = 0;
118		197
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	198	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	199	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
135	struct worker *prev, *next;	214	struct worker *prev, *next;
136		215
137	thread_t tid;	216	thread_t tid;
138		217
139	/* locked by reslock, reqlock or wrklock */	218	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	219	bdb_req req; /* currently processed request */
141	void *dbuf;	220	void *dbuf;
142	DIR *dirp;	221	DIR *dirp;
143	} worker;	222	} worker;
144		223
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	224	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	236	}
158		237
159	static volatile unsigned int nreqs, nready, npending;	238	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	239	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	240	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	241	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		242
164	static mutex_t reslock = X_MUTEX_INIT;	243	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = X_MUTEX_INIT;	244	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = X_COND_INIT;	245	static cond_t reqwait = X_COND_INIT;
167		246
168	#if WORDACCESS_UNSAFE	247	#if WORDACCESS_UNSAFE
169		248
170	static unsigned int get_nready ()	249	static unsigned int get_nready (void)
171	{	250	{
172	unsigned int retval;	251	unsigned int retval;
173		252
174	X_LOCK (reqlock);	253	X_LOCK (reqlock);
175	retval = nready;	254	retval = nready;
176	X_UNLOCK (reqlock);	255	X_UNLOCK (reqlock);
177		256
178	return retval;	257	return retval;
179	}	258	}
180		259
181	static unsigned int get_npending ()	260	static unsigned int get_npending (void)
182	{	261	{
183	unsigned int retval;	262	unsigned int retval;
184		263
185	X_LOCK (reslock);	264	X_LOCK (reslock);
186	retval = npending;	265	retval = npending;
187	X_UNLOCK (reslock);	266	X_UNLOCK (reslock);
188		267
189	return retval;	268	return retval;
190	}	269	}
191		270
192	static unsigned int get_nthreads ()	271	static unsigned int get_nthreads (void)
193	{	272	{
194	unsigned int retval;	273	unsigned int retval;
195		274
196	X_LOCK (wrklock);	275	X_LOCK (wrklock);
197	retval = started;	276	retval = started;
…		…
212	* a somewhat faster data structure might be nice, but	291	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	292	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	293	* per shift, the most expensive operation.
215	*/	294	*/
216	typedef struct {	295	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	296	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	297	int size;
219	} reqq;	298	} reqq;
220		299
221	static reqq req_queue;	300	static reqq req_queue;
222	static reqq res_queue;	301	static reqq res_queue;
223		302
224	int reqq_push (reqq *q, aio_req req)	303	int reqq_push (reqq *q, bdb_req req)
225	{	304	{
226	int pri = req->pri;	305	int pri = req->pri;
227	req->next = 0;	306	req->next = 0;
228		307
229	if (q->qe[pri])	308	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	314	q->qe[pri] = q->qs[pri] = req;
236		315
237	return q->size++;	316	return q->size++;
238	}	317	}
239		318
240	aio_req reqq_shift (reqq *q)	319	bdb_req reqq_shift (reqq *q)
241	{	320	{
242	int pri;	321	int pri;
243		322
244	if (!q->size)	323	if (!q->size)
245	return 0;	324	return 0;
246		325
247	--q->size;	326	--q->size;
248		327
249	for (pri = NUM_PRI; pri--; )	328	for (pri = NUM_PRI; pri--; )
250	{	329	{
251	aio_req req = q->qs[pri];	330	bdb_req req = q->qs[pri];
252		331
253	if (req)	332	if (req)
254	{	333	{
255	if (!(q->qs[pri] = req->next))	334	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	335	q->qe[pri] = 0;
…		…
260	}	339	}
261		340
262	abort ();	341	abort ();
263	}	342	}
264		343
265	static int poll_cb ();	344	static int poll_cb (void);
266	static void req_free (aio_req req);	345	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);	346	static void req_cancel (bdb_req req);
268		347
269	static int req_invoke (aio_req req)	348	static int req_invoke (bdb_req req)
270	{	349	{
271	dSP;	350	dSP;
272		351
273	if (SvOK (req->callback))	352	if (req->callback)
274	{	353	{
275	ENTER;	354	ENTER;
276	SAVETMPS;	355	SAVETMPS;
277	PUSHMARK (SP);	356	PUSHMARK (SP);
278		357
…		…
292	dbt_to_sv (req->sv1, &req->dbt1);	371	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);	372	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);	373	dbt_to_sv (req->sv3, &req->dbt3);
295	break;	374	break;
296		375
		376	case REQ_DB_PUT:
		377	case REQ_C_PUT:
		378	dbt_to_sv (0, &req->dbt1);
		379	dbt_to_sv (0, &req->dbt2);
		380	break;
		381
297	case REQ_DB_KEY_RANGE:	382	case REQ_DB_KEY_RANGE:
298	{	383	{
299	AV *av = newAV ();	384	AV *av = newAV ();
300		385
301	av_push (av, newSVnv (req->key_range.less));	386	av_push (av, newSVnv (req->key_range.less));
…		…
306	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));	391	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
307	SvREFCNT_dec (req->sv1);	392	SvREFCNT_dec (req->sv1);
308	}	393	}
309	break;	394	break;
310		395
		396	#if DB_VERSION_MINOR >= 3
311	case REQ_SEQ_GET:	397	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);	398	SvREADONLY_off (req->sv1);
313		399
314	if (sizeof (IV) > 4)	400	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);	401	sv_setiv_mg (req->sv1, (IV)req->seq_t);
316	else	402	else
317	sv_setnv_mg (req->sv1, req->seq_t);	403	sv_setnv_mg (req->sv1, (NV)req->seq_t);
318		404
319	SvREFCNT_dec (req->sv1);	405	SvREFCNT_dec (req->sv1);
320	break;	406	break;
		407	#endif
321	}	408	}
322		409
323	errno = req->result;	410	errno = req->result;
324		411
325	PUTBACK;	412	PUTBACK;
…		…
331	}	418	}
332		419
333	return !SvTRUE (ERRSV);	420	return !SvTRUE (ERRSV);
334	}	421	}
335		422
336	static void req_free (aio_req req)	423	static void req_free (bdb_req req)
337	{	424	{
		425	SvREFCNT_dec (req->callback);
		426
338	free (req->buf1);	427	free (req->buf1);
339	free (req->buf2);	428	free (req->buf2);
		429	free (req->buf3);
		430
340	Safefree (req);	431	Safefree (req);
341	}	432	}
342		433
343	static void *aio_proc (void *arg);	434	#ifdef USE_SOCKETS_AS_HANDLES
		435	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		436	#else
		437	# define TO_SOCKET(x) (x)
		438	#endif
		439
		440	static void
		441	create_respipe (void)
		442	{
		443	#ifdef _WIN32
		444	int arg; /* argg */
		445	#endif
		446	int old_readfd = respipe [0];
		447
		448	if (respipe [1] >= 0)
		449	respipe_close (TO_SOCKET (respipe [1]));
		450
		451	#ifdef _WIN32
		452	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		453	#else
		454	if (pipe (respipe))
		455	#endif
		456	croak ("unable to initialize result pipe");
		457
		458	if (old_readfd >= 0)
		459	{
		460	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		461	croak ("unable to initialize result pipe(2)");
		462
		463	respipe_close (respipe [0]);
		464	respipe [0] = old_readfd;
		465	}
		466
		467	#ifdef _WIN32
		468	arg = 1;
		469	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		470	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		471	#else
		472	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		473	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		474	#endif
		475	croak ("unable to initialize result pipe(3)");
		476
		477	respipe_osf [0] = TO_SOCKET (respipe [0]);
		478	respipe_osf [1] = TO_SOCKET (respipe [1]);
		479	}
		480
		481	X_THREAD_PROC (bdb_proc);
344		482
345	static void start_thread (void)	483	static void start_thread (void)
346	{	484	{
347	worker *wrk = calloc (1, sizeof (worker));	485	worker *wrk = calloc (1, sizeof (worker));
348		486
349	if (!wrk)	487	if (!wrk)
350	croak ("unable to allocate worker thread data");	488	croak ("unable to allocate worker thread data");
351		489
352	X_LOCK (wrklock);	490	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	491	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	492	{
355	wrk->prev = &wrk_first;	493	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	494	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	495	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	496	wrk_first.next = wrk;
…		…
362	free (wrk);	500	free (wrk);
363		501
364	X_UNLOCK (wrklock);	502	X_UNLOCK (wrklock);
365	}	503	}
366		504
367	static void maybe_start_thread ()	505	static void maybe_start_thread (void)
368	{	506	{
369	if (get_nthreads () >= wanted)	507	if (get_nthreads () >= wanted)
370	return;	508	return;
371		509
372	/* todo: maybe use idle here, but might be less exact */	510	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	512	return;
375		513
376	start_thread ();	514	start_thread ();
377	}	515	}
378		516
379	static void req_send (aio_req req)	517	static void req_send (bdb_req req)
380	{	518	{
381	SV *wait_callback = 0;	519	SV *wait_callback = 0;
382		520
		521	if (on_next_submit)
		522	{
		523	dSP;
		524	SV *cb = sv_2mortal (on_next_submit);
		525
		526	on_next_submit = 0;
		527
		528	PUSHMARK (SP);
		529	PUTBACK;
		530	call_sv (cb, G_DISCARD | G_EVAL);
		531	}
		532
383	// synthesize callback if none given	533	// synthesize callback if none given
384	if (!SvOK (req->callback))	534	if (!req->callback)
385	{	535	{
		536	int count;
		537
386	dSP;	538	dSP;
387	PUSHMARK (SP);	539	PUSHMARK (SP);
388	PUTBACK;	540	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	541	count = call_sv (prepare_cb, G_ARRAY);
390	SPAGAIN;	542	SPAGAIN;
391		543
392	if (count != 2)	544	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");	545	croak ("prepare callback must return exactly two values\n");
394		546
395	wait_callback = SvREFCNT_inc (POPs);	547	wait_callback = POPs;
396	SvREFCNT_dec (req->callback);	548	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);	549	req->callback = SvREFCNT_inc (POPs);
398	}	550	}
399		551
400	++nreqs;	552	++nreqs;
…		…
411	{	563	{
412	dSP;	564	dSP;
413	PUSHMARK (SP);	565	PUSHMARK (SP);
414	PUTBACK;	566	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	567	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	568	}
418	}	569	}
419		570
420	static void end_thread (void)	571	static void end_thread (void)
421	{	572	{
422	aio_req req;	573	bdb_req req;
423		574
424	Newz (0, req, 1, aio_cb);	575	Newz (0, req, 1, bdb_cb);
425		576
426	req->type = REQ_QUIT;	577	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	578	req->pri = PRI_MAX + PRI_BIAS;
428		579
429	X_LOCK (reqlock);	580	X_LOCK (reqlock);
…		…
456		607
457	while (started > wanted)	608	while (started > wanted)
458	end_thread ();	609	end_thread ();
459	}	610	}
460		611
461	static void poll_wait ()	612	static void poll_wait (void)
462	{	613	{
463	fd_set rfd;	614	fd_set rfd;
464		615
465	while (nreqs)	616	while (nreqs)
466	{	617	{
…		…
472	if (size)	623	if (size)
473	return;	624	return;
474		625
475	maybe_start_thread ();	626	maybe_start_thread ();
476		627
477	FD_ZERO(&rfd);	628	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	629	FD_SET (respipe [0], &rfd);
479		630
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	631	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	632	}
482	}	633	}
483		634
484	static int poll_cb ()	635	static int poll_cb (void)
485	{	636	{
486	dSP;	637	dSP;
487	int count = 0;	638	int count = 0;
488	int maxreqs = max_poll_reqs;	639	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	640	int do_croak = 0;
490	struct timeval tv_start, tv_now;	641	struct timeval tv_start, tv_now;
491	aio_req req;	642	bdb_req req;
492		643
493	if (max_poll_time)	644	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	645	gettimeofday (&tv_start, 0);
495		646
496	for (;;)	647	for (;;)
…		…
508		659
509	if (!res_queue.size)	660	if (!res_queue.size)
510	{	661	{
511	/* read any signals sent by the worker threads */	662	/* read any signals sent by the worker threads */
512	char buf [4];	663	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	664	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	665	;
515	}	666	}
516	}	667	}
517		668
518	X_UNLOCK (reslock);	669	X_UNLOCK (reslock);
…		…
555	return count;	706	return count;
556	}	707	}
557		708
558	/*****************************************************************************/	709	/*****************************************************************************/
559		710
560	static void *aio_proc (void *thr_arg)	711	X_THREAD_PROC (bdb_proc)
561	{	712	{
562	aio_req req;	713	bdb_req req;
563	struct timespec ts;	714	struct timespec ts;
564	worker *self = (worker *)thr_arg;	715	worker *self = (worker *)thr_arg;
565		716
566	/* try to distribute timeouts somewhat evenly */	717	/* try to distribute timeouts somewhat evenly */
567	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	718	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
568	* (1000000000UL / 1024UL);
569		719
570	for (;;)	720	for (;;)
571	{	721	{
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	722	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573		723
…		…
608	X_UNLOCK (reqlock);	758	X_UNLOCK (reqlock);
609		759
610	switch (req->type)	760	switch (req->type)
611	{	761	{
612	case REQ_QUIT:	762	case REQ_QUIT:
		763	req->result = ENOSYS;
613	goto quit;	764	goto quit;
614		765
615	case REQ_ENV_OPEN:	766	case REQ_ENV_OPEN:
616	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	767	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
617	break;	768	break;
…		…
634		785
635	case REQ_ENV_MEMP_TRICKLE:	786	case REQ_ENV_MEMP_TRICKLE:
636	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	787	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
637	break;	788	break;
638		789
		790	case REQ_ENV_DBREMOVE:
		791	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		792	break;
		793
		794	case REQ_ENV_DBRENAME:
		795	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		796	break;
		797
639	case REQ_DB_OPEN:	798	case REQ_DB_OPEN:
640	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	799	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
641	break;	800	break;
642		801
643	case REQ_DB_CLOSE:	802	case REQ_DB_CLOSE:
644	req->result = req->db->close (req->db, req->uint1);	803	req->result = req->db->close (req->db, req->uint1);
645	break;	804	break;
646		805
		806	#if DB_VERSION_MINOR >= 4
647	case REQ_DB_COMPACT:	807	case REQ_DB_COMPACT:
648	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	808	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
649	break;	809	break;
		810	#endif
650		811
651	case REQ_DB_SYNC:	812	case REQ_DB_SYNC:
652	req->result = req->db->sync (req->db, req->uint1);	813	req->result = req->db->sync (req->db, req->uint1);
653	break;	814	break;
654		815
		816	case REQ_DB_UPGRADE:
		817	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		818	break;
		819
655	case REQ_DB_PUT:	820	case REQ_DB_PUT:
656	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	821	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
657	break;	822	break;
658		823
		824	#if DB_VERSION_MINOR >= 6
		825	case REQ_DB_EXISTS:
		826	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		827	break;
		828	#endif
659	case REQ_DB_GET:	829	case REQ_DB_GET:
660	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	830	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
661	break;	831	break;
662		832
663	case REQ_DB_PGET:	833	case REQ_DB_PGET:
…		…
676	req->result = req->txn->commit (req->txn, req->uint1);	846	req->result = req->txn->commit (req->txn, req->uint1);
677	break;	847	break;
678		848
679	case REQ_TXN_ABORT:	849	case REQ_TXN_ABORT:
680	req->result = req->txn->abort (req->txn);	850	req->result = req->txn->abort (req->txn);
		851	break;
		852
		853	case REQ_TXN_FINISH:
		854	if (req->txn->flags & TXN_DEADLOCK)
		855	{
		856	req->result = req->txn->abort (req->txn);
		857	if (!req->result)
		858	req->result = DB_LOCK_DEADLOCK;
		859	}
		860	else
		861	req->result = req->txn->commit (req->txn, req->uint1);
681	break;	862	break;
682		863
683	case REQ_C_CLOSE:	864	case REQ_C_CLOSE:
684	req->result = req->dbc->c_close (req->dbc);	865	req->result = req->dbc->c_close (req->dbc);
685	break;	866	break;
…		…
706		887
707	case REQ_C_DEL:	888	case REQ_C_DEL:
708	req->result = req->dbc->c_del (req->dbc, req->uint1);	889	req->result = req->dbc->c_del (req->dbc, req->uint1);
709	break;	890	break;
710		891
		892	#if DB_VERSION_MINOR >= 3
711	case REQ_SEQ_OPEN:	893	case REQ_SEQ_OPEN:
712	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);	894	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
713	break;	895	break;
714		896
715	case REQ_SEQ_CLOSE:	897	case REQ_SEQ_CLOSE:
…		…
721	break;	903	break;
722		904
723	case REQ_SEQ_REMOVE:	905	case REQ_SEQ_REMOVE:
724	req->result = req->seq->remove (req->seq, req->txn, req->uint1);	906	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
725	break;	907	break;
		908	#endif
726		909
727	default:	910	default:
728	req->result = ENOSYS;	911	req->result = ENOSYS;
729	break;	912	break;
730	}	913	}
731		914
		915	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		916	req->txn->flags |= TXN_DEADLOCK;
		917
732	X_LOCK (reslock);	918	X_LOCK (reslock);
733		919
734	++npending;	920	++npending;
735		921
736	if (!reqq_push (&res_queue, req))	922	if (!reqq_push (&res_queue, req))
737	/* write a dummy byte to the pipe so fh becomes ready */	923	/* write a dummy byte to the pipe so fh becomes ready */
738	write (respipe [1], &respipe, 1);	924	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
739		925
740	self->req = 0;	926	self->req = 0;
741	worker_clear (self);	927	worker_clear (self);
742		928
743	X_UNLOCK (reslock);	929	X_UNLOCK (reslock);
…		…
767	X_UNLOCK (wrklock);	953	X_UNLOCK (wrklock);
768	}	954	}
769		955
770	static void atfork_child (void)	956	static void atfork_child (void)
771	{	957	{
772	aio_req prv;	958	bdb_req prv;
773		959
774	while (prv = reqq_shift (&req_queue))	960	while (prv = reqq_shift (&req_queue))
775	req_free (prv);	961	req_free (prv);
776		962
777	while (prv = reqq_shift (&res_queue))	963	while (prv = reqq_shift (&res_queue))
…		…
792	idle = 0;	978	idle = 0;
793	nreqs = 0;	979	nreqs = 0;
794	nready = 0;	980	nready = 0;
795	npending = 0;	981	npending = 0;
796		982
797	close (respipe [0]);	983	create_respipe ();
798	close (respipe [1]);
799
800	if (!create_pipe (respipe))
801	croak ("unable to initialize result pipe");
802		984
803	atfork_parent ();	985	atfork_parent ();
804	}	986	}
805		987
806	#define dREQ(reqtype) \	988	#define dREQ(reqtype) \
807	aio_req req; \	989	bdb_req req; \
808	int req_pri = next_pri; \	990	int req_pri = next_pri; \
809	next_pri = DEFAULT_PRI + PRI_BIAS; \	991	next_pri = DEFAULT_PRI + PRI_BIAS; \
810	\	992	\
811	if (SvOK (callback) && !SvROK (callback)) \	993	if (callback && SvOK (callback)) \
812	croak ("callback must be undef or of reference type"); \	994	croak ("callback has illegal type or extra arguments"); \
813	\	995	\
814	Newz (0, req, 1, aio_cb); \	996	Newz (0, req, 1, bdb_cb); \
815	if (!req) \	997	if (!req) \
816	croak ("out of memory during aio_req allocation"); \	998	croak ("out of memory during bdb_req allocation"); \
817	\	999	\
818	req->callback = newSVsv (callback); \	1000	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
819	req->type = (reqtype); \	1001	req->type = (reqtype); \
820	req->pri = req_pri	1002	req->pri = req_pri
821		1003
822	#define REQ_SEND \	1004	#define REQ_SEND \
823	req_send (req)	1005	req_send (req)
824		1006
825	#define SvPTR(var, arg, type, class, nullok) \	1007	#define SvPTR(var, arg, type, class, nullok) \
826	if (!SvOK (arg)) \	1008	if (!SvOK (arg)) \
827	{ \	1009	{ \
828	if (!nullok) \	1010	if (nullok != 1) \
829	croak (# var " must be a " # class " object, not undef"); \	1011	croak (# var " must be a " # class " object, not undef"); \
830	\	1012	\
831	(var) = 0; \	1013	(var) = 0; \
832	} \	1014	} \
833	else if (sv_derived_from ((arg), # class)) \	1015	else if (sv_derived_from ((arg), # class)) \
834	{ \	1016	{ \
835	IV tmp = SvIV ((SV*) SvRV (arg)); \	1017	IV tmp = SvIV ((SV*) SvRV (arg)); \
836	(var) = INT2PTR (type, tmp); \	1018	(var) = INT2PTR (type, tmp); \
837	if (!var) \	1019	if (!var && nullok != 2) \
838	croak (# var " is not a valid " # class " object anymore"); \	1020	croak (# var " is not a valid " # class " object anymore"); \
839	} \	1021	} \
840	else \	1022	else \
841	croak (# var " is not of type " # class); \	1023	croak (# var " is not of type " # class);
842	\
843		1024
844	static void	1025	static void
845	ptr_nuke (SV *sv)	1026	ptr_nuke (SV *sv)
846	{	1027	{
847	assert (SvROK (sv));	1028	assert (SvROK (sv));
848	sv_setiv (SvRV (sv), 0);	1029	sv_setiv (SvRV (sv), 0);
849	}	1030	}
		1031
		1032	static int
		1033	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1034	{
		1035	if (*mg->mg_ptr == '!') // should always be the case
		1036	if (-30999 <= errno && errno <= -30800)
		1037	{
		1038	sv_setnv (sv, (NV)errno);
		1039	sv_setpv (sv, db_strerror (errno));
		1040	SvNOK_on (sv); /* what a wonderful hack! */
		1041	// ^^^ copied from perl sources
		1042	return 0;
		1043	}
		1044
		1045	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1046	}
		1047
		1048	static MGVTBL vtbl_errno;
		1049
		1050	// this wonderful hack :( patches perl's $! variable to support our errno values
		1051	static void
		1052	patch_errno (void)
		1053	{
		1054	SV *sv;
		1055	MAGIC *mg;
		1056
		1057	if (!(sv = get_sv ("!", 1)))
		1058	return;
		1059
		1060	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1061	return;
		1062
		1063	if (mg->mg_virtual != &PL_vtbl_sv)
		1064	return;
		1065
		1066	vtbl_errno = PL_vtbl_sv;
		1067	vtbl_errno.svt_get = errno_get;
		1068	mg->mg_virtual = &vtbl_errno;
		1069	}
		1070
		1071	#if __GNUC__ >= 4
		1072	# define noinline __attribute__ ((noinline))
		1073	#else
		1074	# define noinline
		1075	#endif
		1076
		1077	static noinline SV *
		1078	pop_callback (I32 *ritems, SV *sv)
		1079	{
		1080	if (SvROK (sv))
		1081	{
		1082	HV *st;
		1083	GV *gvp;
		1084	CV *cv;
		1085	const char *name;
		1086
		1087	/* forgive me */
		1088	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1089	&& (st = SvSTASH (SvRV (sv)))
		1090	&& (name = HvNAME_get (st))
		1091	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1092	return 0;
		1093
		1094	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1095	{
		1096	--*ritems;
		1097	return (SV *)cv;
		1098	}
		1099	}
		1100
		1101	return 0;
		1102	}
		1103
		1104	/* stupid windoes defined CALLBACK as well */
		1105	#undef CALLBACK
		1106	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
850		1107
851	MODULE = BDB PACKAGE = BDB	1108	MODULE = BDB PACKAGE = BDB
852		1109
853	PROTOTYPES: ENABLE	1110	PROTOTYPES: ENABLE
854		1111
…		…
870	const_iv (INIT_TXN)	1127	const_iv (INIT_TXN)
871	const_iv (RECOVER)	1128	const_iv (RECOVER)
872	const_iv (INIT_TXN)	1129	const_iv (INIT_TXN)
873	const_iv (RECOVER_FATAL)	1130	const_iv (RECOVER_FATAL)
874	const_iv (CREATE)	1131	const_iv (CREATE)
		1132	const_iv (RDONLY)
875	const_iv (USE_ENVIRON)	1133	const_iv (USE_ENVIRON)
876	const_iv (USE_ENVIRON_ROOT)	1134	const_iv (USE_ENVIRON_ROOT)
877	const_iv (LOCKDOWN)	1135	const_iv (LOCKDOWN)
878	const_iv (PRIVATE)	1136	const_iv (PRIVATE)
879	const_iv (REGISTER)
880	const_iv (SYSTEM_MEM)	1137	const_iv (SYSTEM_MEM)
881	const_iv (AUTO_COMMIT)	1138	const_iv (AUTO_COMMIT)
882	const_iv (CDB_ALLDB)	1139	const_iv (CDB_ALLDB)
883	const_iv (DIRECT_DB)	1140	const_iv (DIRECT_DB)
884	const_iv (DIRECT_LOG)
885	const_iv (DSYNC_DB)
886	const_iv (DSYNC_LOG)
887	const_iv (LOG_AUTOREMOVE)
888	const_iv (LOG_INMEMORY)
889	const_iv (NOLOCKING)	1141	const_iv (NOLOCKING)
890	const_iv (MULTIVERSION)
891	const_iv (NOMMAP)	1142	const_iv (NOMMAP)
892	const_iv (NOPANIC)	1143	const_iv (NOPANIC)
893	const_iv (OVERWRITE)	1144	const_iv (OVERWRITE)
894	const_iv (PANIC_ENVIRONMENT)	1145	const_iv (PANIC_ENVIRONMENT)
895	const_iv (REGION_INIT)	1146	const_iv (REGION_INIT)
896	const_iv (TIME_NOTGRANTED)	1147	const_iv (TIME_NOTGRANTED)
897	const_iv (TXN_NOSYNC)	1148	const_iv (TXN_NOSYNC)
898	const_iv (TXN_SNAPSHOT)	1149	const_iv (TXN_NOT_DURABLE)
899	const_iv (TXN_WRITE_NOSYNC)	1150	const_iv (TXN_WRITE_NOSYNC)
900	const_iv (WRITECURSOR)	1151	const_iv (WRITECURSOR)
901	const_iv (YIELDCPU)	1152	const_iv (YIELDCPU)
902	const_iv (ENCRYPT_AES)	1153	const_iv (ENCRYPT_AES)
903	const_iv (XA_CREATE)	1154	const_iv (XA_CREATE)
…		…
905	const_iv (HASH)	1156	const_iv (HASH)
906	const_iv (QUEUE)	1157	const_iv (QUEUE)
907	const_iv (RECNO)	1158	const_iv (RECNO)
908	const_iv (UNKNOWN)	1159	const_iv (UNKNOWN)
909	const_iv (EXCL)	1160	const_iv (EXCL)
910	const_iv (READ_COMMITTED)
911	const_iv (READ_UNCOMMITTED)
912	const_iv (TRUNCATE)	1161	const_iv (TRUNCATE)
913	const_iv (NOSYNC)	1162	const_iv (NOSYNC)
914	const_iv (CHKSUM)	1163	const_iv (CHKSUM)
915	const_iv (ENCRYPT)	1164	const_iv (ENCRYPT)
916	const_iv (TXN_NOT_DURABLE)
917	const_iv (DUP)	1165	const_iv (DUP)
918	const_iv (DUPSORT)	1166	const_iv (DUPSORT)
919	const_iv (RECNUM)	1167	const_iv (RECNUM)
920	const_iv (RENUMBER)	1168	const_iv (RENUMBER)
921	const_iv (REVSPLITOFF)	1169	const_iv (REVSPLITOFF)
922	const_iv (INORDER)
923	const_iv (CONSUME)	1170	const_iv (CONSUME)
924	const_iv (CONSUME_WAIT)	1171	const_iv (CONSUME_WAIT)
925	const_iv (GET_BOTH)	1172	const_iv (GET_BOTH)
926	const_iv (GET_BOTH_RANGE)	1173	const_iv (GET_BOTH_RANGE)
927	//const_iv (SET_RECNO)	1174	//const_iv (SET_RECNO)
928	//const_iv (MULTIPLE)	1175	//const_iv (MULTIPLE)
929	const_iv (SNAPSHOT)	1176	const_iv (SNAPSHOT)
930	const_iv (JOIN_ITEM)	1177	const_iv (JOIN_ITEM)
		1178	const_iv (JOIN_NOSORT)
931	const_iv (RMW)	1179	const_iv (RMW)
932		1180
933	const_iv (NOTFOUND)	1181	const_iv (NOTFOUND)
934	const_iv (KEYEMPTY)	1182	const_iv (KEYEMPTY)
935	const_iv (LOCK_DEADLOCK)	1183	const_iv (LOCK_DEADLOCK)
936	const_iv (LOCK_NOTGRANTED)	1184	const_iv (LOCK_NOTGRANTED)
937	const_iv (RUNRECOVERY)	1185	const_iv (RUNRECOVERY)
938	const_iv (OLD_VERSION)	1186	const_iv (OLD_VERSION)
939	const_iv (REP_HANDLE_DEAD)	1187	const_iv (REP_HANDLE_DEAD)
940	const_iv (REP_LOCKOUT)
941	const_iv (SECONDARY_BAD)	1188	const_iv (SECONDARY_BAD)
942
943	const_iv (FREE_SPACE)
944	const_iv (FREELIST_ONLY)
945		1189
946	const_iv (APPEND)	1190	const_iv (APPEND)
947	const_iv (NODUPDATA)	1191	const_iv (NODUPDATA)
948	const_iv (NOOVERWRITE)	1192	const_iv (NOOVERWRITE)
949		1193
950	const_iv (TXN_NOWAIT)	1194	const_iv (TXN_NOWAIT)
951	const_iv (TXN_SNAPSHOT)
952	const_iv (TXN_SYNC)	1195	const_iv (TXN_SYNC)
953		1196
954	const_iv (SET_LOCK_TIMEOUT)	1197	const_iv (SET_LOCK_TIMEOUT)
955	const_iv (SET_TXN_TIMEOUT)	1198	const_iv (SET_TXN_TIMEOUT)
956		1199
957	const_iv (JOIN_ITEM)
958	const_iv (FIRST)	1200	const_iv (FIRST)
959	const_iv (NEXT)	1201	const_iv (NEXT)
960	const_iv (NEXT_DUP)	1202	const_iv (NEXT_DUP)
961	const_iv (NEXT_NODUP)	1203	const_iv (NEXT_NODUP)
962	const_iv (PREV)	1204	const_iv (PREV)
…		…
974	const_iv (FORCE)	1216	const_iv (FORCE)
975		1217
976	const_iv (LOCK_DEFAULT)	1218	const_iv (LOCK_DEFAULT)
977	const_iv (LOCK_EXPIRE)	1219	const_iv (LOCK_EXPIRE)
978	const_iv (LOCK_MAXLOCKS)	1220	const_iv (LOCK_MAXLOCKS)
979	const_iv (LOCK_MAXWRITE)
980	const_iv (LOCK_MINLOCKS)	1221	const_iv (LOCK_MINLOCKS)
981	const_iv (LOCK_MINWRITE)	1222	const_iv (LOCK_MINWRITE)
982	const_iv (LOCK_OLDEST)	1223	const_iv (LOCK_OLDEST)
983	const_iv (LOCK_RANDOM)	1224	const_iv (LOCK_RANDOM)
984	const_iv (LOCK_YOUNGEST)	1225	const_iv (LOCK_YOUNGEST)
985		1226
		1227	const_iv (DONOTINDEX)
		1228	const_iv (KEYEMPTY )
		1229	const_iv (KEYEXIST )
		1230	const_iv (LOCK_DEADLOCK)
		1231	const_iv (LOCK_NOTGRANTED)
		1232	const_iv (NOSERVER)
		1233	const_iv (NOSERVER_HOME)
		1234	const_iv (NOSERVER_ID)
		1235	const_iv (NOTFOUND)
		1236	const_iv (PAGE_NOTFOUND)
		1237	const_iv (REP_DUPMASTER)
		1238	const_iv (REP_HANDLE_DEAD)
		1239	const_iv (REP_HOLDELECTION)
		1240	const_iv (REP_ISPERM)
		1241	const_iv (REP_NEWMASTER)
		1242	const_iv (REP_NEWSITE)
		1243	const_iv (REP_NOTPERM)
		1244	const_iv (REP_UNAVAIL)
		1245	const_iv (RUNRECOVERY)
		1246	const_iv (SECONDARY_BAD)
		1247	const_iv (VERIFY_BAD)
		1248
		1249	const_iv (VERB_DEADLOCK)
		1250	const_iv (VERB_RECOVERY)
		1251	const_iv (VERB_REPLICATION)
		1252	const_iv (VERB_WAITSFOR)
		1253
		1254	const_iv (VERSION_MAJOR)
		1255	const_iv (VERSION_MINOR)
		1256	const_iv (VERSION_PATCH)
		1257	#if DB_VERSION_MINOR >= 3
		1258	const_iv (INORDER)
		1259	const_iv (LOCK_MAXWRITE)
986	const_iv (SEQ_DEC)	1260	const_iv (SEQ_DEC)
987	const_iv (SEQ_INC)	1261	const_iv (SEQ_INC)
988	const_iv (SEQ_WRAP)	1262	const_iv (SEQ_WRAP)
		1263	const_iv (BUFFER_SMALL)
		1264	const_iv (LOG_BUFFER_FULL)
		1265	const_iv (VERSION_MISMATCH)
		1266	#endif
		1267	#if DB_VERSION_MINOR >= 4
		1268	const_iv (REGISTER)
		1269	const_iv (DSYNC_DB)
		1270	const_iv (READ_COMMITTED)
		1271	const_iv (READ_UNCOMMITTED)
		1272	const_iv (REP_IGNORE)
		1273	const_iv (REP_LOCKOUT)
		1274	const_iv (REP_JOIN_FAILURE)
		1275	const_iv (FREE_SPACE)
		1276	const_iv (FREELIST_ONLY)
		1277	const_iv (VERB_REGISTER)
		1278	#endif
		1279	#if DB_VERSION_MINOR >= 5
		1280	const_iv (MULTIVERSION)
		1281	const_iv (TXN_SNAPSHOT)
		1282	#endif
		1283	#if DB_VERSION_MINOR >= 6
		1284	const_iv (PREV_DUP)
		1285	const_iv (PRIORITY_UNCHANGED)
		1286	const_iv (PRIORITY_VERY_LOW)
		1287	const_iv (PRIORITY_LOW)
		1288	const_iv (PRIORITY_DEFAULT)
		1289	const_iv (PRIORITY_HIGH)
		1290	const_iv (PRIORITY_VERY_HIGH)
		1291	#endif
		1292	#if DB_VERSION_MINOR >= 7
		1293	const_iv (LOG_DIRECT)
		1294	const_iv (LOG_DSYNC)
		1295	const_iv (LOG_AUTO_REMOVE)
		1296	const_iv (LOG_IN_MEMORY)
		1297	const_iv (LOG_ZERO)
		1298	#else
		1299	const_iv (DIRECT_LOG)
		1300	const_iv (LOG_AUTOREMOVE)
		1301	# if DB_VERSION_MINOR >= 3
		1302	const_iv (DSYNC_LOG)
		1303	const_iv (LOG_INMEMORY)
		1304	# endif
		1305	#endif
989	};	1306	};
990		1307
991	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1308	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
992	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1309	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
993		1310
		1311	{
		1312	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1313	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1314
		1315	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1316	}
		1317
		1318	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1319
994	if (!create_pipe (respipe))	1320	create_respipe ();
995	croak ("unable to initialize result pipe");
996		1321
997	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1322	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
998	#ifdef _WIN32	1323	patch_errno ();
999	X_MUTEX_CHECK (wrklock);
1000	X_MUTEX_CHECK (reslock);
1001	X_MUTEX_CHECK (reqlock);
1002
1003	X_COND_CHECK (reqwait);
1004	#endif
1005	}	1324	}
1006		1325
1007	void	1326	void
1008	max_poll_reqs (int nreqs)	1327	max_poll_reqs (int nreqs)
1009	PROTOTYPE: $	1328	PROTOTYPE: $
…		…
1141	PROTOTYPE: &	1460	PROTOTYPE: &
1142	CODE:	1461	CODE:
1143	SvREFCNT_dec (prepare_cb);	1462	SvREFCNT_dec (prepare_cb);
1144	prepare_cb = newSVsv (cb);	1463	prepare_cb = newSVsv (cb);
1145		1464
		1465	char *
		1466	strerror (int errorno = errno)
		1467	PROTOTYPE: ;$
		1468	CODE:
		1469	RETVAL = db_strerror (errorno);
		1470	OUTPUT:
		1471	RETVAL
		1472
		1473	void _on_next_submit (SV *cb)
		1474	CODE:
		1475	SvREFCNT_dec (on_next_submit);
		1476	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1146		1477
1147	DB_ENV *	1478	DB_ENV *
1148	db_env_create (U32 env_flags = 0)	1479	db_env_create (U32 env_flags = 0)
1149	CODE:	1480	CODE:
1150	{	1481	{
1151	errno = db_env_create (&RETVAL, env_flags);	1482	errno = db_env_create (&RETVAL, env_flags);
1152	if (errno)	1483	if (errno)
1153	croak ("db_env_create: %s", db_strerror (errno));	1484	croak ("db_env_create: %s", db_strerror (errno));
		1485
		1486	if (0)
		1487	{
		1488	RETVAL->set_errcall (RETVAL, debug_errcall);
		1489	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1490	}
1154	}	1491	}
1155	OUTPUT:	1492	OUTPUT:
1156	RETVAL	1493	RETVAL
1157		1494
1158	void	1495	void
1159	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1496	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1497	PREINIT:
		1498	CALLBACK
1160	CODE:	1499	CODE:
1161	{	1500	{
1162	env->set_thread_count (env, get_nthreads ());
1163
1164	dREQ (REQ_ENV_OPEN);	1501	dREQ (REQ_ENV_OPEN);
1165	req->env = env;	1502	req->env = env;
1166	req->uint1 = open_flags | DB_THREAD;	1503	req->uint1 = open_flags | DB_THREAD;
1167	req->int1 = mode;	1504	req->int1 = mode;
1168	req->buf1 = strdup_ornull (db_home);	1505	req->buf1 = strdup_ornull (db_home);
1169	REQ_SEND;	1506	REQ_SEND;
1170	}	1507	}
1171		1508
1172	void	1509	void
1173	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1510	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1511	PREINIT:
		1512	CALLBACK
1174	CODE:	1513	CODE:
1175	{	1514	{
1176	dREQ (REQ_ENV_CLOSE);	1515	dREQ (REQ_ENV_CLOSE);
1177	req->env = env;	1516	req->env = env;
1178	req->uint1 = flags;	1517	req->uint1 = flags;
1179	REQ_SEND;	1518	REQ_SEND;
1180	ptr_nuke (ST (0));	1519	ptr_nuke (ST (0));
1181	}	1520	}
1182		1521
1183	void	1522	void
1184	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1523	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1524	PREINIT:
		1525	CALLBACK
1185	CODE:	1526	CODE:
1186	{	1527	{
1187	dREQ (REQ_ENV_TXN_CHECKPOINT);	1528	dREQ (REQ_ENV_TXN_CHECKPOINT);
1188	req->env = env;	1529	req->env = env;
1189	req->uint1 = kbyte;	1530	req->uint1 = kbyte;
…		…
1191	req->uint2 = flags;	1532	req->uint2 = flags;
1192	REQ_SEND;	1533	REQ_SEND;
1193	}	1534	}
1194		1535
1195	void	1536	void
1196	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1537	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1538	PREINIT:
		1539	CALLBACK
1197	CODE:	1540	CODE:
1198	{	1541	{
1199	dREQ (REQ_ENV_LOCK_DETECT);	1542	dREQ (REQ_ENV_LOCK_DETECT);
1200	req->env = env;	1543	req->env = env;
1201	req->uint1 = flags;	1544	req->uint1 = flags;
1202	req->uint2 = atype;	1545	req->uint2 = atype;
		1546	/* req->int2 = 0; dummy */
1203	REQ_SEND;	1547	REQ_SEND;
1204	}	1548	}
1205		1549
1206	void	1550	void
1207	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1551	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1552	PREINIT:
		1553	CALLBACK
1208	CODE:	1554	CODE:
1209	{	1555	{
1210	dREQ (REQ_ENV_MEMP_SYNC);	1556	dREQ (REQ_ENV_MEMP_SYNC);
1211	req->env = env;	1557	req->env = env;
1212	REQ_SEND;	1558	REQ_SEND;
1213	}	1559	}
1214		1560
1215	void	1561	void
1216	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1562	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1563	PREINIT:
		1564	CALLBACK
1217	CODE:	1565	CODE:
1218	{	1566	{
1219	dREQ (REQ_ENV_MEMP_TRICKLE);	1567	dREQ (REQ_ENV_MEMP_TRICKLE);
1220	req->env = env;	1568	req->env = env;
1221	req->int1 = percent;	1569	req->int1 = percent;
1222	REQ_SEND;	1570	REQ_SEND;
1223	}	1571	}
1224		1572
		1573	void
		1574	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1575	PREINIT:
		1576	CALLBACK
		1577	CODE:
		1578	{
		1579	dREQ (REQ_ENV_DBREMOVE);
		1580	req->env = env;
		1581	req->buf1 = strdup_ornull (file);
		1582	req->buf2 = strdup_ornull (database);
		1583	req->uint1 = flags;
		1584	REQ_SEND;
		1585	}
		1586
		1587	void
		1588	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)
		1589	PREINIT:
		1590	CALLBACK
		1591	CODE:
		1592	{
		1593	dREQ (REQ_ENV_DBRENAME);
		1594	req->env = env;
		1595	req->buf1 = strdup_ornull (file);
		1596	req->buf2 = strdup_ornull (database);
		1597	req->buf3 = strdup_ornull (newname);
		1598	req->uint1 = flags;
		1599	REQ_SEND;
		1600	}
1225		1601
1226	DB *	1602	DB *
1227	db_create (DB_ENV *env = 0, U32 flags = 0)	1603	db_create (DB_ENV *env = 0, U32 flags = 0)
1228	CODE:	1604	CODE:
1229	{	1605	{
…		…
1236	}	1612	}
1237	OUTPUT:	1613	OUTPUT:
1238	RETVAL	1614	RETVAL
1239		1615
1240	void	1616	void
1241	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1617	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
1242	CODE:	1620	CODE:
1243	{	1621	{
1244	dREQ (REQ_DB_OPEN);	1622	dREQ (REQ_DB_OPEN);
1245	req->db = db;	1623	req->db = db;
1246	req->txn = txnid;	1624	req->txn = txnid;
…		…
1251	req->int2 = mode;	1629	req->int2 = mode;
1252	REQ_SEND;	1630	REQ_SEND;
1253	}	1631	}
1254		1632
1255	void	1633	void
1256	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1634	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1635	PREINIT:
		1636	CALLBACK
1257	CODE:	1637	CODE:
1258	{	1638	{
1259	dREQ (REQ_DB_CLOSE);	1639	dREQ (REQ_DB_CLOSE);
1260	req->db = db;	1640	req->db = db;
1261	req->uint1 = flags;	1641	req->uint1 = flags;
1262	req->sv1 = (SV *)db->app_private;	1642	req->sv1 = (SV *)db->app_private;
1263	REQ_SEND;	1643	REQ_SEND;
1264	ptr_nuke (ST (0));	1644	ptr_nuke (ST (0));
1265	}	1645	}
1266		1646
		1647	#if DB_VERSION_MINOR >= 4
		1648
1267	void	1649	void
1268	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)	1650	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)
		1651	PREINIT:
		1652	CALLBACK
1269	CODE:	1653	CODE:
1270	{	1654	{
1271	dREQ (REQ_DB_COMPACT);	1655	dREQ (REQ_DB_COMPACT);
1272	req->db = db;	1656	req->db = db;
1273	req->txn = txn;	1657	req->txn = txn;
…		…
1275	sv_to_dbt (&req->dbt2, stop);	1659	sv_to_dbt (&req->dbt2, stop);
1276	req->uint1 = flags;	1660	req->uint1 = flags;
1277	REQ_SEND;	1661	REQ_SEND;
1278	}	1662	}
1279		1663
		1664	#endif
		1665
1280	void	1666	void
1281	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1667	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1668	PREINIT:
		1669	CALLBACK
1282	CODE:	1670	CODE:
1283	{	1671	{
1284	dREQ (REQ_DB_SYNC);	1672	dREQ (REQ_DB_SYNC);
1285	req->db = db;	1673	req->db = db;
1286	req->uint1 = flags;	1674	req->uint1 = flags;
1287	REQ_SEND;	1675	REQ_SEND;
1288	}	1676	}
1289		1677
1290	void	1678	void
		1679	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1680	PREINIT:
		1681	CALLBACK
		1682	CODE:
		1683	{
		1684	dREQ (REQ_DB_SYNC);
		1685	req->db = db;
		1686	req->buf1 = strdup (file);
		1687	req->uint1 = flags;
		1688	REQ_SEND;
		1689	}
		1690
		1691	void
1291	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1692	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
1292	CODE:	1695	CODE:
1293	{	1696	{
1294	dREQ (REQ_DB_KEY_RANGE);	1697	dREQ (REQ_DB_KEY_RANGE);
1295	req->db = db;	1698	req->db = db;
1296	req->txn = txn;	1699	req->txn = txn;
…		…
1299	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1702	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1300	REQ_SEND;	1703	REQ_SEND;
1301	}	1704	}
1302		1705
1303	void	1706	void
1304	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1305	CODE:	1710	CODE:
1306	{	1711	{
1307	dREQ (REQ_DB_PUT);	1712	dREQ (REQ_DB_PUT);
1308	req->db = db;	1713	req->db = db;
1309	req->txn = txn;	1714	req->txn = txn;
…		…
1311	sv_to_dbt (&req->dbt2, data);	1716	sv_to_dbt (&req->dbt2, data);
1312	req->uint1 = flags;	1717	req->uint1 = flags;
1313	REQ_SEND;	1718	REQ_SEND;
1314	}	1719	}
1315		1720
		1721	#if DB_VERSION_MINOR >= 6
		1722
1316	void	1723	void
		1724	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1725	PREINIT:
		1726	CALLBACK
		1727	CODE:
		1728	{
		1729	dREQ (REQ_DB_EXISTS);
		1730	req->db = db;
		1731	req->txn = txn;
		1732	req->uint1 = flags;
		1733	sv_to_dbt (&req->dbt1, key);
		1734	REQ_SEND;
		1735	}
		1736
		1737	#endif
		1738
		1739	void
1317	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1740	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1741	PREINIT:
		1742	CALLBACK
1318	CODE:	1743	CODE:
		1744	if (SvREADONLY (data))
		1745	croak ("can't modify read-only data scalar in db_get");
1319	{	1746	{
1320	dREQ (REQ_DB_GET);	1747	dREQ (REQ_DB_GET);
1321	req->db = db;	1748	req->db = db;
1322	req->txn = txn;	1749	req->txn = txn;
1323	req->uint1 = flags;	1750	req->uint1 = flags;
…		…
1326	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1753	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1327	REQ_SEND;	1754	REQ_SEND;
1328	}	1755	}
1329		1756
1330	void	1757	void
1331	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1758	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1759	PREINIT:
		1760	CALLBACK
1332	CODE:	1761	CODE:
		1762	if (SvREADONLY (data))
		1763	croak ("can't modify read-only data scalar in db_pget");
1333	{	1764	{
1334	dREQ (REQ_DB_PGET);	1765	dREQ (REQ_DB_PGET);
1335	req->db = db;	1766	req->db = db;
1336	req->txn = txn;	1767	req->txn = txn;
1337	req->uint1 = flags;	1768	req->uint1 = flags;
…		…
1341	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1772	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1342	REQ_SEND;	1773	REQ_SEND;
1343	}	1774	}
1344		1775
1345	void	1776	void
1346	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1777	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1778	PREINIT:
		1779	CALLBACK
1347	CODE:	1780	CODE:
1348	{	1781	{
1349	dREQ (REQ_DB_DEL);	1782	dREQ (REQ_DB_DEL);
1350	req->db = db;	1783	req->db = db;
1351	req->txn = txn;	1784	req->txn = txn;
…		…
1353	sv_to_dbt (&req->dbt1, key);	1786	sv_to_dbt (&req->dbt1, key);
1354	REQ_SEND;	1787	REQ_SEND;
1355	}	1788	}
1356		1789
1357	void	1790	void
1358	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1791	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1792	PREINIT:
		1793	CALLBACK
1359	CODE:	1794	CODE:
1360	{	1795	{
1361	dREQ (REQ_TXN_COMMIT);	1796	dREQ (REQ_TXN_COMMIT);
1362	req->txn = txn;	1797	req->txn = txn;
1363	req->uint1 = flags;	1798	req->uint1 = flags;
1364	REQ_SEND;	1799	REQ_SEND;
1365	ptr_nuke (ST (0));	1800	ptr_nuke (ST (0));
1366	}	1801	}
1367		1802
1368	void	1803	void
1369	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1804	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1805	PREINIT:
		1806	CALLBACK
1370	CODE:	1807	CODE:
1371	{	1808	{
1372	dREQ (REQ_TXN_ABORT);	1809	dREQ (REQ_TXN_ABORT);
1373	req->txn = txn;	1810	req->txn = txn;
1374	REQ_SEND;	1811	REQ_SEND;
1375	ptr_nuke (ST (0));	1812	ptr_nuke (ST (0));
1376	}	1813	}
1377		1814
1378	void	1815	void
		1816	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1817	PREINIT:
		1818	CALLBACK
		1819	CODE:
		1820	{
		1821	dREQ (REQ_TXN_FINISH);
		1822	req->txn = txn;
		1823	req->uint1 = flags;
		1824	REQ_SEND;
		1825	ptr_nuke (ST (0));
		1826	}
		1827
		1828	void
1379	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1829	db_c_close (DBC *dbc, SV *callback = 0)
		1830	PREINIT:
		1831	CALLBACK
1380	CODE:	1832	CODE:
1381	{	1833	{
1382	dREQ (REQ_C_CLOSE);	1834	dREQ (REQ_C_CLOSE);
1383	req->dbc = dbc;	1835	req->dbc = dbc;
1384	REQ_SEND;	1836	REQ_SEND;
1385	ptr_nuke (ST (0));	1837	ptr_nuke (ST (0));
1386	}	1838	}
1387		1839
1388	void	1840	void
1389	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1841	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1842	PREINIT:
		1843	CALLBACK
1390	CODE:	1844	CODE:
1391	{	1845	{
1392	dREQ (REQ_C_COUNT);	1846	dREQ (REQ_C_COUNT);
1393	req->dbc = dbc;	1847	req->dbc = dbc;
1394	req->sv1 = SvREFCNT_inc (count);	1848	req->sv1 = SvREFCNT_inc (count);
1395	REQ_SEND;	1849	REQ_SEND;
1396	}	1850	}
1397		1851
1398	void	1852	void
1399	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1853	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
1400	CODE:	1856	CODE:
1401	{	1857	{
1402	dREQ (REQ_C_PUT);	1858	dREQ (REQ_C_PUT);
1403	req->dbc = dbc;	1859	req->dbc = dbc;
1404	sv_to_dbt (&req->dbt1, key);	1860	sv_to_dbt (&req->dbt1, key);
…		…
1406	req->uint1 = flags;	1862	req->uint1 = flags;
1407	REQ_SEND;	1863	REQ_SEND;
1408	}	1864	}
1409		1865
1410	void	1866	void
1411	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1867	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1868	PREINIT:
		1869	CALLBACK
1412	CODE:	1870	CODE:
1413	{	1871	{
1414	dREQ (REQ_C_GET);	1872	dREQ (REQ_C_GET);
1415	req->dbc = dbc;	1873	req->dbc = dbc;
1416	req->uint1 = flags;	1874	req->uint1 = flags;
…		…
1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1889	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1432	REQ_SEND;	1890	REQ_SEND;
1433	}	1891	}
1434		1892
1435	void	1893	void
1436	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1894	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1895	PREINIT:
		1896	CALLBACK
1437	CODE:	1897	CODE:
1438	{	1898	{
1439	dREQ (REQ_C_PGET);	1899	dREQ (REQ_C_PGET);
1440	req->dbc = dbc;	1900	req->dbc = dbc;
1441	req->uint1 = flags;	1901	req->uint1 = flags;
…		…
1459	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1919	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1460	REQ_SEND;	1920	REQ_SEND;
1461	}	1921	}
1462		1922
1463	void	1923	void
1464	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1924	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1925	PREINIT:
		1926	CALLBACK
1465	CODE:	1927	CODE:
1466	{	1928	{
1467	dREQ (REQ_C_DEL);	1929	dREQ (REQ_C_DEL);
1468	req->dbc = dbc;	1930	req->dbc = dbc;
1469	req->uint1 = flags;	1931	req->uint1 = flags;
1470	REQ_SEND;	1932	REQ_SEND;
1471	}	1933	}
1472		1934
1473		1935
		1936	#if DB_VERSION_MINOR >= 3
		1937
1474	void	1938	void
1475	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1939	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1940	PREINIT:
		1941	CALLBACK
1476	CODE:	1942	CODE:
1477	{	1943	{
1478	dREQ (REQ_SEQ_OPEN);	1944	dREQ (REQ_SEQ_OPEN);
1479	req->seq = seq;	1945	req->seq = seq;
1480	req->txn = txnid;	1946	req->txn = txnid;
…		…
1482	sv_to_dbt (&req->dbt1, key);	1948	sv_to_dbt (&req->dbt1, key);
1483	REQ_SEND;	1949	REQ_SEND;
1484	}	1950	}
1485		1951
1486	void	1952	void
1487	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1953	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1954	PREINIT:
		1955	CALLBACK
1488	CODE:	1956	CODE:
1489	{	1957	{
1490	dREQ (REQ_SEQ_CLOSE);	1958	dREQ (REQ_SEQ_CLOSE);
1491	req->seq = seq;	1959	req->seq = seq;
1492	req->uint1 = flags;	1960	req->uint1 = flags;
1493	REQ_SEND;	1961	REQ_SEND;
1494	ptr_nuke (ST (0));	1962	ptr_nuke (ST (0));
1495	}	1963	}
1496		1964
1497	void	1965	void
1498	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1966	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1967	PREINIT:
		1968	CALLBACK
1499	CODE:	1969	CODE:
1500	{	1970	{
1501	dREQ (REQ_SEQ_GET);	1971	dREQ (REQ_SEQ_GET);
1502	req->seq = seq;	1972	req->seq = seq;
1503	req->txn = txnid;	1973	req->txn = txnid;
…		…
1506	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1976	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1507	REQ_SEND;	1977	REQ_SEND;
1508	}	1978	}
1509		1979
1510	void	1980	void
1511	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1981	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1982	PREINIT:
		1983	CALLBACK
1512	CODE:	1984	CODE:
1513	{	1985	{
1514	dREQ (REQ_SEQ_REMOVE);	1986	dREQ (REQ_SEQ_REMOVE);
1515	req->seq = seq;	1987	req->seq = seq;
1516	req->txn = txnid;	1988	req->txn = txnid;
1517	req->uint1 = flags;	1989	req->uint1 = flags;
1518	REQ_SEND;	1990	REQ_SEND;
1519	}	1991	}
1520		1992
		1993	#endif
		1994
1521		1995
1522	MODULE = BDB PACKAGE = BDB::Env	1996	MODULE = BDB PACKAGE = BDB::Env
1523		1997
1524	void	1998	void
1525	DESTROY (DB_ENV_ornull *env)	1999	DESTROY (DB_ENV_ornuked *env)
1526	CODE:	2000	CODE:
1527	if (env)	2001	if (env)
1528	env->close (env, 0);	2002	env->close (env, 0);
1529		2003
1530	int set_data_dir (DB_ENV *env, const char *dir)	2004	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1555	CODE:	2029	CODE:
1556	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2030	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1557	OUTPUT:	2031	OUTPUT:
1558	RETVAL	2032	RETVAL
1559		2033
1560	int set_flags (DB_ENV *env, U32 flags, int onoff)	2034	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1561	CODE:	2035	CODE:
1562	RETVAL = env->set_flags (env, flags, onoff);	2036	RETVAL = env->set_flags (env, flags, onoff);
1563	OUTPUT:	2037	OUTPUT:
1564	RETVAL	2038	RETVAL
1565		2039
		2040	#if DB_VERSION_MINOR >= 7
		2041
		2042	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2043	CODE:
		2044	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2045	OUTPUT:
		2046	RETVAL
		2047
		2048	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2049	CODE:
		2050	RETVAL = env->log_set_config (env, flags, onoff);
		2051	OUTPUT:
		2052	RETVAL
		2053
		2054	#endif
		2055
		2056
		2057	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2058	CODE:
		2059	env->set_errfile (env, errfile);
		2060
		2061	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2062	CODE:
		2063	env->set_msgfile (env, msgfile);
		2064
		2065	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2066	CODE:
		2067	RETVAL = env->set_verbose (env, which, onoff);
		2068	OUTPUT:
		2069	RETVAL
		2070
1566	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2071	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1567	CODE:	2072	CODE:
1568	RETVAL = env->set_encrypt (env, password, flags);	2073	RETVAL = env->set_encrypt (env, password, flags);
1569	OUTPUT:	2074	OUTPUT:
1570	RETVAL	2075	RETVAL
1571		2076
1572	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2077	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1573	CODE:	2078	CODE:
1574	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2079	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1575	OUTPUT:	2080	OUTPUT:
1576	RETVAL	2081	RETVAL
1577		2082
…		…
1626	int set_lg_max (DB_ENV *env, U32 max)	2131	int set_lg_max (DB_ENV *env, U32 max)
1627	CODE:	2132	CODE:
1628	RETVAL = env->set_lg_max (env, max);	2133	RETVAL = env->set_lg_max (env, max);
1629	OUTPUT:	2134	OUTPUT:
1630	RETVAL	2135	RETVAL
		2136
		2137	#if DB_VERSION_MINOR >= 4
		2138
		2139	int mutex_set_max (DB_ENV *env, U32 max)
		2140	CODE:
		2141	RETVAL = env->mutex_set_max (env, max);
		2142	OUTPUT:
		2143	RETVAL
		2144
		2145	int mutex_set_increment (DB_ENV *env, U32 increment)
		2146	CODE:
		2147	RETVAL = env->mutex_set_increment (env, increment);
		2148	OUTPUT:
		2149	RETVAL
		2150
		2151	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2152	CODE:
		2153	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2154	OUTPUT:
		2155	RETVAL
		2156
		2157	int mutex_set_align (DB_ENV *env, U32 align)
		2158	CODE:
		2159	RETVAL = env->mutex_set_align (env, align);
		2160	OUTPUT:
		2161	RETVAL
		2162
		2163	#endif
1631		2164
1632	DB_TXN *	2165	DB_TXN *
1633	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2166	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1634	CODE:	2167	CODE:
1635	errno = env->txn_begin (env, parent, &RETVAL, flags);	2168	errno = env->txn_begin (env, parent, &RETVAL, flags);
1636	if (errno)	2169	if (errno)
1637	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2170	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1638	OUTPUT:	2171	OUTPUT:
1639	RETVAL	2172	RETVAL
1640		2173
		2174	#if DB_VERSION_MINOR >= 5
		2175
		2176	DB_TXN *
		2177	cdsgroup_begin (DB_ENV *env)
		2178	CODE:
		2179	errno = env->cdsgroup_begin (env, &RETVAL);
		2180	if (errno)
		2181	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2182	OUTPUT:
		2183	RETVAL
		2184
		2185	#endif
		2186
1641	MODULE = BDB PACKAGE = BDB::Db	2187	MODULE = BDB PACKAGE = BDB::Db
1642		2188
1643	void	2189	void
1644	DESTROY (DB_ornull *db)	2190	DESTROY (DB_ornuked *db)
1645	CODE:	2191	CODE:
1646	if (db)	2192	if (db)
1647	{	2193	{
1648	SV *env = (SV *)db->app_private;	2194	SV *env = (SV *)db->app_private;
1649	db->close (db, 0);	2195	db->close (db, 0);
…		…
1654	CODE:	2200	CODE:
1655	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2201	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1656	OUTPUT:	2202	OUTPUT:
1657	RETVAL	2203	RETVAL
1658		2204
1659	int set_flags (DB *db, U32 flags);	2205	int set_flags (DB *db, U32 flags)
1660	CODE:	2206	CODE:
1661	RETVAL = db->set_flags (db, flags);	2207	RETVAL = db->set_flags (db, flags);
1662	OUTPUT:	2208	OUTPUT:
1663	RETVAL	2209	RETVAL
1664		2210
…		…
1678	CODE:	2224	CODE:
1679	RETVAL = db->set_bt_minkey (db, minkey);	2225	RETVAL = db->set_bt_minkey (db, minkey);
1680	OUTPUT:	2226	OUTPUT:
1681	RETVAL	2227	RETVAL
1682		2228
1683	int set_re_delim(DB *db, int delim);	2229	int set_re_delim (DB *db, int delim)
1684	CODE:	2230	CODE:
1685	RETVAL = db->set_re_delim (db, delim);	2231	RETVAL = db->set_re_delim (db, delim);
1686	OUTPUT:	2232	OUTPUT:
1687	RETVAL	2233	RETVAL
1688		2234
…		…
1729	if (errno)	2275	if (errno)
1730	croak ("DB->cursor: %s", db_strerror (errno));	2276	croak ("DB->cursor: %s", db_strerror (errno));
1731	OUTPUT:	2277	OUTPUT:
1732	RETVAL	2278	RETVAL
1733		2279
		2280	#if DB_VERSION_MINOR >= 3
		2281
1734	DB_SEQUENCE *	2282	DB_SEQUENCE *
1735	sequence (DB *db, U32 flags = 0)	2283	sequence (DB *db, U32 flags = 0)
1736	CODE:	2284	CODE:
1737	{	2285	{
1738	errno = db_sequence_create (&RETVAL, db, flags);	2286	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1740	croak ("db_sequence_create: %s", db_strerror (errno));	2288	croak ("db_sequence_create: %s", db_strerror (errno));
1741	}	2289	}
1742	OUTPUT:	2290	OUTPUT:
1743	RETVAL	2291	RETVAL
1744		2292
		2293	#endif
		2294
1745		2295
1746	MODULE = BDB PACKAGE = BDB::Txn	2296	MODULE = BDB PACKAGE = BDB::Txn
1747		2297
1748	void	2298	void
1749	DESTROY (DB_TXN_ornull *txn)	2299	DESTROY (DB_TXN_ornuked *txn)
1750	CODE:	2300	CODE:
1751	if (txn)	2301	if (txn)
1752	txn->abort (txn);	2302	txn->abort (txn);
1753		2303
1754	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2304	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1755	CODE:	2305	CODE:
1756	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2306	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1757	OUTPUT:	2307	OUTPUT:
1758	RETVAL	2308	RETVAL
1759		2309
		2310	int failed (DB_TXN *txn)
		2311	CODE:
		2312	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2313	OUTPUT:
		2314	RETVAL
		2315
1760		2316
1761	MODULE = BDB PACKAGE = BDB::Cursor	2317	MODULE = BDB PACKAGE = BDB::Cursor
1762		2318
1763	void	2319	void
1764	DESTROY (DBC_ornull *dbc)	2320	DESTROY (DBC_ornuked *dbc)
1765	CODE:	2321	CODE:
1766	if (dbc)	2322	if (dbc)
1767	dbc->c_close (dbc);	2323	dbc->c_close (dbc);
1768		2324
		2325	#if DB_VERSION_MINOR >= 6
		2326
		2327	int set_priority (DBC *dbc, int priority)
		2328	CODE:
		2329	dbc->set_priority (dbc, priority);
		2330
		2331	#endif
		2332
		2333	#if DB_VERSION_MINOR >= 3
		2334
1769	MODULE = BDB PACKAGE = BDB::Sequence	2335	MODULE = BDB PACKAGE = BDB::Sequence
1770		2336
1771	void	2337	void
1772	DESTROY (DB_SEQUENCE_ornull *seq)	2338	DESTROY (DB_SEQUENCE_ornuked *seq)
1773	CODE:	2339	CODE:
1774	if (seq)	2340	if (seq)
1775	seq->close (seq, 0);	2341	seq->close (seq, 0);
1776		2342
1777	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2343	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1796	CODE:	2362	CODE:
1797	RETVAL = seq->set_range (seq, min, max);	2363	RETVAL = seq->set_range (seq, min, max);
1798	OUTPUT:	2364	OUTPUT:
1799	RETVAL	2365	RETVAL
1800		2366
		2367	#endif
		2368
		2369

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