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Comparing BDB/BDB.xs (file contents):
Revision 1.11 by root, Wed May 9 06:42:24 2007 UTC vs.
Revision 1.45 by root, Wed Jul 9 21:08:29 2008 UTC

…		…
4		4
5	#include "EXTERN.h"	5	#include "EXTERN.h"
6	#include "perl.h"	6	#include "perl.h"
7	#include "XSUB.h"	7	#include "XSUB.h"
8		8
		9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
		17
9	#include <stddef.h>	18	#include <stddef.h>
10	#include <stdlib.h>	19	#include <stdlib.h>
11	#include <errno.h>	20	#include <errno.h>
12	#include <sys/time.h>
13	#include <sys/types.h>	21	#include <sys/types.h>
14	#include <limits.h>	22	#include <limits.h>
15	#include <unistd.h>
16	#include <fcntl.h>	23	#include <fcntl.h>
17		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
18	#include <db.h>	30	#include <db.h>
19		31
20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
21	# error you need Berkeley DB 4.5 or newer installed	33	# error you need Berkeley DB 4.4 or newer installed
22	#endif	34	#endif
23		35
24	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
25	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
26		38
…		…
28	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
29	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
30	typedef DB DB_ornull;	42	typedef DB DB_ornull;
31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
32		44
		45	typedef DB_ENV DB_ENV_ornuked;
		46	typedef DB_TXN DB_TXN_ornuked;
		47	typedef DBC DBC_ornuked;
		48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
33	typedef SV SV8; /* byte-sv, used for argument-checking */	51	typedef SV SV8; /* byte-sv, used for argument-checking */
34	typedef char *octetstring;	52	typedef char *bdb_filename;
35		53
36	static SV *prepare_cb;	54	static SV *prepare_cb;
37		55
		56	#if DB_VERSION_MINOR >= 6
		57	# define c_close close
		58	# define c_count count
		59	# define c_del del
		60	# define c_dup dup
		61	# define c_get get
		62	# define c_pget pget
		63	# define c_put put
		64	#endif
		65
38	static inline char *	66	static char *
		67	get_bdb_filename (SV *sv)
		68	{
		69	if (!SvOK (sv))
		70	return 0;
		71
		72	#if _WIN32
		73	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		74	{
		75	STRLEN len;
		76	char *src = SvPVbyte (sv, len);
		77	SV *t1 = sv_newmortal ();
		78	SV *t2 = sv_newmortal ();
		79
		80	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		81	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		82
		83	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		84	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		85	SvPOK_only (t2);
		86	SvPVX (t2)[len] = 0;
		87	SvCUR_set (t2, len);
		88
		89	return SvPVX (t2);
		90	}
		91	#else
		92	return SvPVbyte_nolen (sv);
		93	#endif
		94	}
		95
		96	static void
		97	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		98	{
		99	printf ("err[%s]\n", msg);
		100	}
		101
		102	static void
		103	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		104	{
		105	printf ("msg[%s]\n", msg);
		106	}
		107
		108	static char *
39	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
40	{	110	{
41	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
42	}	112	}
43		113
44	static inline void	114	static void
45	sv_to_dbt (DBT *dbt, SV *sv)	115	sv_to_dbt (DBT *dbt, SV *sv)
46	{	116	{
47	STRLEN len;	117	STRLEN len;
48	char *data = SvPVbyte (sv, len);	118	char *data = SvPVbyte (sv, len);
49		119
…		…
51	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
52	dbt->size = len;	122	dbt->size = len;
53	dbt->flags = DB_DBT_REALLOC;	123	dbt->flags = DB_DBT_REALLOC;
54	}	124	}
55		125
56	static inline void	126	static void
57	dbt_to_sv (SV *sv, DBT *dbt)	127	dbt_to_sv (SV *sv, DBT *dbt)
58	{	128	{
59	if (sv)	129	if (sv)
60	{	130	{
61	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
…		…
67	}	137	}
68		138
69	enum {	139	enum {
70	REQ_QUIT,	140	REQ_QUIT,
71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	142	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,	143	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,	144	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,	145	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,	146	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,	147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
78	};	148	};
79		149
80	typedef struct aio_cb	150	typedef struct bdb_cb
81	{	151	{
82	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
83	SV *callback;	153	SV *callback;
84	int type, pri, result;	154	int type, pri, result;
85		155
86	DB_ENV *env;	156	DB_ENV *env;
87	DB *db;	157	DB *db;
…		…
89	DBC *dbc;	159	DBC *dbc;
90		160
91	UV uv1;	161	UV uv1;
92	int int1, int2;	162	int int1, int2;
93	U32 uint1, uint2;	163	U32 uint1, uint2;
94	char *buf1, *buf2;	164	char *buf1, *buf2, *buf3;
95	SV *sv1, *sv2, *sv3;	165	SV *sv1, *sv2, *sv3;
96		166
97	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
98	DB_KEY_RANGE key_range;	168	DB_KEY_RANGE key_range;
99	DB_SEQUENCE *seq;	169	DB_SEQUENCE *seq;
100	db_seq_t seq_t;	170	db_seq_t seq_t;
101	} aio_cb;	171	} bdb_cb;
102		172
103	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
104		174
105	enum {	175	enum {
106	PRI_MIN = -4,	176	PRI_MIN = -4,
107	PRI_MAX = 4,	177	PRI_MAX = 4,
108		178
…		…
111	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
112	};	182	};
113		183
114	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
115		185
		186	static SV *on_next_submit;
		187
116	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
117	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
118		190
119	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
120	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	192	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
126	static int next_pri = DEFAULT_PRI + PRI_BIAS;	198	static int next_pri = DEFAULT_PRI + PRI_BIAS;
127		199
128	static unsigned int started, idle, wanted;	200	static unsigned int started, idle, wanted;
129		201
130	/* worker threads management */	202	/* worker threads management */
131	static mutex_t wrklock = MUTEX_INIT;	203	static mutex_t wrklock = X_MUTEX_INIT;
132		204
133	typedef struct worker {	205	typedef struct worker {
134	/* locked by wrklock */	206	/* locked by wrklock */
135	struct worker *prev, *next;	207	struct worker *prev, *next;
136		208
137	thread_t tid;	209	thread_t tid;
138		210
139	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
140	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
141	void *dbuf;	213	void *dbuf;
142	DIR *dirp;	214	DIR *dirp;
143	} worker;	215	} worker;
144		216
145	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
157	}	229	}
158		230
159	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
160	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
161	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
162	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
163		235
164	static mutex_t reslock = MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
165	static mutex_t reqlock = MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
166	static cond_t reqwait = COND_INIT;	238	static cond_t reqwait = X_COND_INIT;
167		239
168	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
169		241
170	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
171	{	243	{
172	unsigned int retval;	244	unsigned int retval;
173		245
174	LOCK (reqlock);	246	X_LOCK (reqlock);
175	retval = nready;	247	retval = nready;
176	UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
177		249
178	return retval;	250	return retval;
179	}	251	}
180		252
181	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
182	{	254	{
183	unsigned int retval;	255	unsigned int retval;
184		256
185	LOCK (reslock);	257	X_LOCK (reslock);
186	retval = npending;	258	retval = npending;
187	UNLOCK (reslock);	259	X_UNLOCK (reslock);
188		260
189	return retval;	261	return retval;
190	}	262	}
191		263
192	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
193	{	265	{
194	unsigned int retval;	266	unsigned int retval;
195		267
196	LOCK (wrklock);	268	X_LOCK (wrklock);
197	retval = started;	269	retval = started;
198	UNLOCK (wrklock);	270	X_UNLOCK (wrklock);
199		271
200	return retval;	272	return retval;
201	}	273	}
202		274
203	#else	275	#else
…		…
212	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
213	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
214	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
215	*/	287	*/
216	typedef struct {	288	typedef struct {
217	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
218	int size;	290	int size;
219	} reqq;	291	} reqq;
220		292
221	static reqq req_queue;	293	static reqq req_queue;
222	static reqq res_queue;	294	static reqq res_queue;
223		295
224	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
225	{	297	{
226	int pri = req->pri;	298	int pri = req->pri;
227	req->next = 0;	299	req->next = 0;
228		300
229	if (q->qe[pri])	301	if (q->qe[pri])
…		…
235	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
236		308
237	return q->size++;	309	return q->size++;
238	}	310	}
239		311
240	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
241	{	313	{
242	int pri;	314	int pri;
243		315
244	if (!q->size)	316	if (!q->size)
245	return 0;	317	return 0;
246		318
247	--q->size;	319	--q->size;
248		320
249	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
250	{	322	{
251	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
252		324
253	if (req)	325	if (req)
254	{	326	{
255	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
256	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
260	}	332	}
261		333
262	abort ();	334	abort ();
263	}	335	}
264		336
265	static int poll_cb ();	337	static int poll_cb (void);
266	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
267	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
268		340
269	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
270	{	342	{
271	dSP;	343	dSP;
272		344
273	if (SvOK (req->callback))	345	if (req->callback)
274	{	346	{
275	ENTER;	347	ENTER;
276	SAVETMPS;	348	SAVETMPS;
277	PUSHMARK (SP);	349	PUSHMARK (SP);
278		350
…		…
292	dbt_to_sv (req->sv1, &req->dbt1);	364	dbt_to_sv (req->sv1, &req->dbt1);
293	dbt_to_sv (req->sv2, &req->dbt2);	365	dbt_to_sv (req->sv2, &req->dbt2);
294	dbt_to_sv (req->sv3, &req->dbt3);	366	dbt_to_sv (req->sv3, &req->dbt3);
295	break;	367	break;
296		368
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (0, &req->dbt1);
		372	dbt_to_sv (0, &req->dbt2);
		373	break;
		374
297	case REQ_DB_KEY_RANGE:	375	case REQ_DB_KEY_RANGE:
298	{	376	{
299	AV *av = newAV ();	377	AV *av = newAV ();
300		378
301	av_push (av, newSVnv (req->key_range.less));	379	av_push (av, newSVnv (req->key_range.less));
…		…
310		388
311	case REQ_SEQ_GET:	389	case REQ_SEQ_GET:
312	SvREADONLY_off (req->sv1);	390	SvREADONLY_off (req->sv1);
313		391
314	if (sizeof (IV) > 4)	392	if (sizeof (IV) > 4)
315	sv_setiv_mg (req->sv1, req->seq_t);	393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
316	else	394	else
317	sv_setnv_mg (req->sv1, req->seq_t);	395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
318		396
319	SvREFCNT_dec (req->sv1);	397	SvREFCNT_dec (req->sv1);
320	break;	398	break;
321	}	399	}
322		400
…		…
331	}	409	}
332		410
333	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
334	}	412	}
335		413
336	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
337	{	415	{
		416	SvREFCNT_dec (req->callback);
		417
338	free (req->buf1);	418	free (req->buf1);
339	free (req->buf2);	419	free (req->buf2);
		420	free (req->buf3);
		421
340	Safefree (req);	422	Safefree (req);
341	}	423	}
342		424
343	static void *aio_proc (void *arg);	425	#ifdef USE_SOCKETS_AS_HANDLES
		426	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		427	#else
		428	# define TO_SOCKET(x) (x)
		429	#endif
		430
		431	static void
		432	create_respipe (void)
		433	{
		434	#ifdef _WIN32
		435	int arg; /* argg */
		436	#endif
		437	int old_readfd = respipe [0];
		438
		439	if (respipe [1] >= 0)
		440	respipe_close (TO_SOCKET (respipe [1]));
		441
		442	#ifdef _WIN32
		443	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		444	#else
		445	if (pipe (respipe))
		446	#endif
		447	croak ("unable to initialize result pipe");
		448
		449	if (old_readfd >= 0)
		450	{
		451	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		452	croak ("unable to initialize result pipe(2)");
		453
		454	respipe_close (respipe [0]);
		455	respipe [0] = old_readfd;
		456	}
		457
		458	#ifdef _WIN32
		459	arg = 1;
		460	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		461	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		462	#else
		463	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		464	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		465	#endif
		466	croak ("unable to initialize result pipe(3)");
		467
		468	respipe_osf [0] = TO_SOCKET (respipe [0]);
		469	respipe_osf [1] = TO_SOCKET (respipe [1]);
		470	}
		471
		472	X_THREAD_PROC (bdb_proc);
344		473
345	static void start_thread (void)	474	static void start_thread (void)
346	{	475	{
347	worker *wrk = calloc (1, sizeof (worker));	476	worker *wrk = calloc (1, sizeof (worker));
348		477
349	if (!wrk)	478	if (!wrk)
350	croak ("unable to allocate worker thread data");	479	croak ("unable to allocate worker thread data");
351		480
352	LOCK (wrklock);	481	X_LOCK (wrklock);
353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))	482	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
354	{	483	{
355	wrk->prev = &wrk_first;	484	wrk->prev = &wrk_first;
356	wrk->next = wrk_first.next;	485	wrk->next = wrk_first.next;
357	wrk_first.next->prev = wrk;	486	wrk_first.next->prev = wrk;
358	wrk_first.next = wrk;	487	wrk_first.next = wrk;
359	++started;	488	++started;
360	}	489	}
361	else	490	else
362	free (wrk);	491	free (wrk);
363		492
364	UNLOCK (wrklock);	493	X_UNLOCK (wrklock);
365	}	494	}
366		495
367	static void maybe_start_thread ()	496	static void maybe_start_thread (void)
368	{	497	{
369	if (get_nthreads () >= wanted)	498	if (get_nthreads () >= wanted)
370	return;	499	return;
371		500
372	/* todo: maybe use idle here, but might be less exact */	501	/* todo: maybe use idle here, but might be less exact */
…		…
374	return;	503	return;
375		504
376	start_thread ();	505	start_thread ();
377	}	506	}
378		507
379	static void req_send (aio_req req)	508	static void req_send (bdb_req req)
380	{	509	{
381	SV *wait_callback = 0;	510	SV *wait_callback = 0;
382		511
		512	if (on_next_submit)
		513	{
		514	dSP;
		515	SV *cb = sv_2mortal (on_next_submit);
		516
		517	on_next_submit = 0;
		518
		519	PUSHMARK (SP);
		520	PUTBACK;
		521	call_sv (cb, G_DISCARD | G_EVAL);
		522	}
		523
383	// synthesize callback if none given	524	// synthesize callback if none given
384	if (!SvOK (req->callback))	525	if (!req->callback)
385	{	526	{
		527	int count;
		528
386	dSP;	529	dSP;
387	PUSHMARK (SP);	530	PUSHMARK (SP);
388	PUTBACK;	531	PUTBACK;
389	int count = call_sv (prepare_cb, G_ARRAY);	532	count = call_sv (prepare_cb, G_ARRAY);
390	SPAGAIN;	533	SPAGAIN;
391		534
392	if (count != 2)	535	if (count != 2)
393	croak ("prepare callback must return exactly two values\n");	536	croak ("prepare callback must return exactly two values\n");
394		537
395	wait_callback = SvREFCNT_inc (POPs);	538	wait_callback = POPs;
396	SvREFCNT_dec (req->callback);	539	SvREFCNT_dec (req->callback);
397	req->callback = SvREFCNT_inc (POPs);	540	req->callback = SvREFCNT_inc (POPs);
398	}	541	}
399		542
400	++nreqs;	543	++nreqs;
401		544
402	LOCK (reqlock);	545	X_LOCK (reqlock);
403	++nready;	546	++nready;
404	reqq_push (&req_queue, req);	547	reqq_push (&req_queue, req);
405	COND_SIGNAL (reqwait);	548	X_COND_SIGNAL (reqwait);
406	UNLOCK (reqlock);	549	X_UNLOCK (reqlock);
407		550
408	maybe_start_thread ();	551	maybe_start_thread ();
409		552
410	if (wait_callback)	553	if (wait_callback)
411	{	554	{
412	dSP;	555	dSP;
413	PUSHMARK (SP);	556	PUSHMARK (SP);
414	PUTBACK;	557	PUTBACK;
415	call_sv (wait_callback, G_DISCARD);	558	call_sv (wait_callback, G_DISCARD);
416	SvREFCNT_dec (wait_callback);
417	}	559	}
418	}	560	}
419		561
420	static void end_thread (void)	562	static void end_thread (void)
421	{	563	{
422	aio_req req;	564	bdb_req req;
423		565
424	Newz (0, req, 1, aio_cb);	566	Newz (0, req, 1, bdb_cb);
425		567
426	req->type = REQ_QUIT;	568	req->type = REQ_QUIT;
427	req->pri = PRI_MAX + PRI_BIAS;	569	req->pri = PRI_MAX + PRI_BIAS;
428		570
429	LOCK (reqlock);	571	X_LOCK (reqlock);
430	reqq_push (&req_queue, req);	572	reqq_push (&req_queue, req);
431	COND_SIGNAL (reqwait);	573	X_COND_SIGNAL (reqwait);
432	UNLOCK (reqlock);	574	X_UNLOCK (reqlock);
433		575
434	LOCK (wrklock);	576	X_LOCK (wrklock);
435	--started;	577	--started;
436	UNLOCK (wrklock);	578	X_UNLOCK (wrklock);
437	}	579	}
438		580
439	static void set_max_idle (int nthreads)	581	static void set_max_idle (int nthreads)
440	{	582	{
441	if (WORDACCESS_UNSAFE) LOCK (reqlock);	583	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
442	max_idle = nthreads <= 0 ? 1 : nthreads;	584	max_idle = nthreads <= 0 ? 1 : nthreads;
443	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	585	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
444	}	586	}
445		587
446	static void min_parallel (int nthreads)	588	static void min_parallel (int nthreads)
447	{	589	{
448	if (wanted < nthreads)	590	if (wanted < nthreads)
…		…
456		598
457	while (started > wanted)	599	while (started > wanted)
458	end_thread ();	600	end_thread ();
459	}	601	}
460		602
461	static void poll_wait ()	603	static void poll_wait (void)
462	{	604	{
463	fd_set rfd;	605	fd_set rfd;
464		606
465	while (nreqs)	607	while (nreqs)
466	{	608	{
467	int size;	609	int size;
468	if (WORDACCESS_UNSAFE) LOCK (reslock);	610	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
469	size = res_queue.size;	611	size = res_queue.size;
470	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	612	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
471		613
472	if (size)	614	if (size)
473	return;	615	return;
474		616
475	maybe_start_thread ();	617	maybe_start_thread ();
476		618
477	FD_ZERO(&rfd);	619	FD_ZERO (&rfd);
478	FD_SET(respipe [0], &rfd);	620	FD_SET (respipe [0], &rfd);
479		621
480	select (respipe [0] + 1, &rfd, 0, 0, 0);	622	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
481	}	623	}
482	}	624	}
483		625
484	static int poll_cb ()	626	static int poll_cb (void)
485	{	627	{
486	dSP;	628	dSP;
487	int count = 0;	629	int count = 0;
488	int maxreqs = max_poll_reqs;	630	int maxreqs = max_poll_reqs;
489	int do_croak = 0;	631	int do_croak = 0;
490	struct timeval tv_start, tv_now;	632	struct timeval tv_start, tv_now;
491	aio_req req;	633	bdb_req req;
492		634
493	if (max_poll_time)	635	if (max_poll_time)
494	gettimeofday (&tv_start, 0);	636	gettimeofday (&tv_start, 0);
495		637
496	for (;;)	638	for (;;)
497	{	639	{
498	for (;;)	640	for (;;)
499	{	641	{
500	maybe_start_thread ();	642	maybe_start_thread ();
501		643
502	LOCK (reslock);	644	X_LOCK (reslock);
503	req = reqq_shift (&res_queue);	645	req = reqq_shift (&res_queue);
504		646
505	if (req)	647	if (req)
506	{	648	{
507	--npending;	649	--npending;
508		650
509	if (!res_queue.size)	651	if (!res_queue.size)
510	{	652	{
511	/* read any signals sent by the worker threads */	653	/* read any signals sent by the worker threads */
512	char buf [4];	654	char buf [4];
513	while (read (respipe [0], buf, 4) == 4)	655	while (respipe_read (respipe [0], buf, 4) == 4)
514	;	656	;
515	}	657	}
516	}	658	}
517		659
518	UNLOCK (reslock);	660	X_UNLOCK (reslock);
519		661
520	if (!req)	662	if (!req)
521	break;	663	break;
522		664
523	--nreqs;	665	--nreqs;
…		…
553	}	695	}
554		696
555	return count;	697	return count;
556	}	698	}
557		699
558	static void create_pipe ()
559	{
560	if (pipe (respipe))
561	croak ("unable to initialize result pipe");
562
563	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
564	croak ("cannot set result pipe to nonblocking mode");
565
566	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
567	croak ("cannot set result pipe to nonblocking mode");
568	}
569
570	/*****************************************************************************/	700	/*****************************************************************************/
571		701
572	static void *aio_proc (void *thr_arg)	702	X_THREAD_PROC (bdb_proc)
573	{	703	{
574	aio_req req;	704	bdb_req req;
575	struct timespec ts;	705	struct timespec ts;
576	worker *self = (worker *)thr_arg;	706	worker *self = (worker *)thr_arg;
577		707
578	/* try to distribute timeouts somewhat evenly */	708	/* try to distribute timeouts somewhat evenly */
579	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	709	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
580	* (1000000000UL / 1024UL);
581		710
582	for (;;)	711	for (;;)
583	{	712	{
584	ts.tv_sec = time (0) + IDLE_TIMEOUT;	713	ts.tv_sec = time (0) + IDLE_TIMEOUT;
585		714
586	LOCK (reqlock);	715	X_LOCK (reqlock);
587		716
588	for (;;)	717	for (;;)
589	{	718	{
590	self->req = req = reqq_shift (&req_queue);	719	self->req = req = reqq_shift (&req_queue);
591		720
592	if (req)	721	if (req)
593	break;	722	break;
594		723
595	++idle;	724	++idle;
596		725
597	if (COND_TIMEDWAIT (reqwait, reqlock, ts)	726	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
598	== ETIMEDOUT)	727	== ETIMEDOUT)
599	{	728	{
600	if (idle > max_idle)	729	if (idle > max_idle)
601	{	730	{
602	--idle;	731	--idle;
603	UNLOCK (reqlock);	732	X_UNLOCK (reqlock);
604	LOCK (wrklock);	733	X_LOCK (wrklock);
605	--started;	734	--started;
606	UNLOCK (wrklock);	735	X_UNLOCK (wrklock);
607	goto quit;	736	goto quit;
608	}	737	}
609		738
610	/* we are allowed to idle, so do so without any timeout */	739	/* we are allowed to idle, so do so without any timeout */
611	COND_WAIT (reqwait, reqlock);	740	X_COND_WAIT (reqwait, reqlock);
612	ts.tv_sec = time (0) + IDLE_TIMEOUT;	741	ts.tv_sec = time (0) + IDLE_TIMEOUT;
613	}	742	}
614		743
615	--idle;	744	--idle;
616	}	745	}
617		746
618	--nready;	747	--nready;
619		748
620	UNLOCK (reqlock);	749	X_UNLOCK (reqlock);
621		750
622	switch (req->type)	751	switch (req->type)
623	{	752	{
624	case REQ_QUIT:	753	case REQ_QUIT:
		754	req->result = ENOSYS;
625	goto quit;	755	goto quit;
626		756
627	case REQ_ENV_OPEN:	757	case REQ_ENV_OPEN:
628	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	758	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
629	break;	759	break;
…		…
646		776
647	case REQ_ENV_MEMP_TRICKLE:	777	case REQ_ENV_MEMP_TRICKLE:
648	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	778	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
649	break;	779	break;
650		780
		781	case REQ_ENV_DBREMOVE:
		782	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		783	break;
		784
		785	case REQ_ENV_DBRENAME:
		786	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		787	break;
		788
651	case REQ_DB_OPEN:	789	case REQ_DB_OPEN:
652	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	790	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
653	break;	791	break;
654		792
655	case REQ_DB_CLOSE:	793	case REQ_DB_CLOSE:
…		…
662		800
663	case REQ_DB_SYNC:	801	case REQ_DB_SYNC:
664	req->result = req->db->sync (req->db, req->uint1);	802	req->result = req->db->sync (req->db, req->uint1);
665	break;	803	break;
666		804
		805	case REQ_DB_UPGRADE:
		806	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		807	break;
		808
667	case REQ_DB_PUT:	809	case REQ_DB_PUT:
668	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	810	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
669	break;	811	break;
670		812
		813	case REQ_DB_EXISTS:
		814	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		815	break;
		816
671	case REQ_DB_GET:	817	case REQ_DB_GET:
672	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	818	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
673	break;	819	break;
674		820
675	case REQ_DB_PGET:	821	case REQ_DB_PGET:
…		…
688	req->result = req->txn->commit (req->txn, req->uint1);	834	req->result = req->txn->commit (req->txn, req->uint1);
689	break;	835	break;
690		836
691	case REQ_TXN_ABORT:	837	case REQ_TXN_ABORT:
692	req->result = req->txn->abort (req->txn);	838	req->result = req->txn->abort (req->txn);
		839	break;
		840
		841	case REQ_TXN_FINISH:
		842	if (req->txn->flags & TXN_DEADLOCK)
		843	{
		844	req->result = req->txn->abort (req->txn);
		845	if (!req->result)
		846	req->result = DB_LOCK_DEADLOCK;
		847	}
		848	else
		849	req->result = req->txn->commit (req->txn, req->uint1);
693	break;	850	break;
694		851
695	case REQ_C_CLOSE:	852	case REQ_C_CLOSE:
696	req->result = req->dbc->c_close (req->dbc);	853	req->result = req->dbc->c_close (req->dbc);
697	break;	854	break;
…		…
739	default:	896	default:
740	req->result = ENOSYS;	897	req->result = ENOSYS;
741	break;	898	break;
742	}	899	}
743		900
		901	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		902	req->txn->flags |= TXN_DEADLOCK;
		903
744	LOCK (reslock);	904	X_LOCK (reslock);
745		905
746	++npending;	906	++npending;
747		907
748	if (!reqq_push (&res_queue, req))	908	if (!reqq_push (&res_queue, req))
749	/* write a dummy byte to the pipe so fh becomes ready */	909	/* write a dummy byte to the pipe so fh becomes ready */
750	write (respipe [1], &respipe, 1);	910	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
751		911
752	self->req = 0;	912	self->req = 0;
753	worker_clear (self);	913	worker_clear (self);
754		914
755	UNLOCK (reslock);	915	X_UNLOCK (reslock);
756	}	916	}
757		917
758	quit:	918	quit:
759	LOCK (wrklock);	919	X_LOCK (wrklock);
760	worker_free (self);	920	worker_free (self);
761	UNLOCK (wrklock);	921	X_UNLOCK (wrklock);
762		922
763	return 0;	923	return 0;
764	}	924	}
765		925
766	/*****************************************************************************/	926	/*****************************************************************************/
767		927
768	static void atfork_prepare (void)	928	static void atfork_prepare (void)
769	{	929	{
770	LOCK (wrklock);	930	X_LOCK (wrklock);
771	LOCK (reqlock);	931	X_LOCK (reqlock);
772	LOCK (reslock);	932	X_LOCK (reslock);
773	}	933	}
774		934
775	static void atfork_parent (void)	935	static void atfork_parent (void)
776	{	936	{
777	UNLOCK (reslock);	937	X_UNLOCK (reslock);
778	UNLOCK (reqlock);	938	X_UNLOCK (reqlock);
779	UNLOCK (wrklock);	939	X_UNLOCK (wrklock);
780	}	940	}
781		941
782	static void atfork_child (void)	942	static void atfork_child (void)
783	{	943	{
784	aio_req prv;	944	bdb_req prv;
785		945
786	while (prv = reqq_shift (&req_queue))	946	while (prv = reqq_shift (&req_queue))
787	req_free (prv);	947	req_free (prv);
788		948
789	while (prv = reqq_shift (&res_queue))	949	while (prv = reqq_shift (&res_queue))
…		…
804	idle = 0;	964	idle = 0;
805	nreqs = 0;	965	nreqs = 0;
806	nready = 0;	966	nready = 0;
807	npending = 0;	967	npending = 0;
808		968
809	close (respipe [0]);
810	close (respipe [1]);
811	create_pipe ();	969	create_respipe ();
812		970
813	atfork_parent ();	971	atfork_parent ();
814	}	972	}
815		973
816	#define dREQ(reqtype) \	974	#define dREQ(reqtype) \
817	aio_req req; \	975	bdb_req req; \
818	int req_pri = next_pri; \	976	int req_pri = next_pri; \
819	next_pri = DEFAULT_PRI + PRI_BIAS; \	977	next_pri = DEFAULT_PRI + PRI_BIAS; \
820	\	978	\
821	if (SvOK (callback) && !SvROK (callback)) \	979	if (callback && SvOK (callback)) \
822	croak ("callback must be undef or of reference type"); \	980	croak ("callback has illegal type or extra arguments"); \
823	\	981	\
824	Newz (0, req, 1, aio_cb); \	982	Newz (0, req, 1, bdb_cb); \
825	if (!req) \	983	if (!req) \
826	croak ("out of memory during aio_req allocation"); \	984	croak ("out of memory during bdb_req allocation"); \
827	\	985	\
828	req->callback = newSVsv (callback); \	986	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
829	req->type = (reqtype); \	987	req->type = (reqtype); \
830	req->pri = req_pri	988	req->pri = req_pri
831		989
832	#define REQ_SEND \	990	#define REQ_SEND \
833	req_send (req)	991	req_send (req)
834		992
835	#define SvPTR(var, arg, type, class, nullok) \	993	#define SvPTR(var, arg, type, class, nullok) \
836	if (!SvOK (arg)) \	994	if (!SvOK (arg)) \
837	{ \	995	{ \
838	if (!nullok) \	996	if (nullok != 1) \
839	croak (# var " must be a " # class " object, not undef"); \	997	croak (# var " must be a " # class " object, not undef"); \
840	\	998	\
841	(var) = 0; \	999	(var) = 0; \
842	} \	1000	} \
843	else if (sv_derived_from ((arg), # class)) \	1001	else if (sv_derived_from ((arg), # class)) \
844	{ \	1002	{ \
845	IV tmp = SvIV ((SV*) SvRV (arg)); \	1003	IV tmp = SvIV ((SV*) SvRV (arg)); \
846	(var) = INT2PTR (type, tmp); \	1004	(var) = INT2PTR (type, tmp); \
847	if (!var) \	1005	if (!var && nullok != 2) \
848	croak (# var " is not a valid " # class " object anymore"); \	1006	croak (# var " is not a valid " # class " object anymore"); \
849	} \	1007	} \
850	else \	1008	else \
851	croak (# var " is not of type " # class); \	1009	croak (# var " is not of type " # class);
852	\
853		1010
854	static void	1011	static void
855	ptr_nuke (SV *sv)	1012	ptr_nuke (SV *sv)
856	{	1013	{
857	assert (SvROK (sv));	1014	assert (SvROK (sv));
858	sv_setiv (SvRV (sv), 0);	1015	sv_setiv (SvRV (sv), 0);
859	}	1016	}
		1017
		1018	static int
		1019	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1020	{
		1021	if (*mg->mg_ptr == '!') // should always be the case
		1022	if (-30999 <= errno && errno <= -30800)
		1023	{
		1024	sv_setnv (sv, (NV)errno);
		1025	sv_setpv (sv, db_strerror (errno));
		1026	SvNOK_on (sv); /* what a wonderful hack! */
		1027	// ^^^ copied from perl sources
		1028	return 0;
		1029	}
		1030
		1031	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1032	}
		1033
		1034	static MGVTBL vtbl_errno;
		1035
		1036	// this wonderful hack :( patches perl's $! variable to support our errno values
		1037	static void
		1038	patch_errno (void)
		1039	{
		1040	SV *sv;
		1041	MAGIC *mg;
		1042
		1043	if (!(sv = get_sv ("!", 1)))
		1044	return;
		1045
		1046	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1047	return;
		1048
		1049	if (mg->mg_virtual != &PL_vtbl_sv)
		1050	return;
		1051
		1052	vtbl_errno = PL_vtbl_sv;
		1053	vtbl_errno.svt_get = errno_get;
		1054	mg->mg_virtual = &vtbl_errno;
		1055	}
		1056
		1057	#if __GNUC__ >= 4
		1058	# define noinline __attribute__ ((noinline))
		1059	#else
		1060	# define noinline
		1061	#endif
		1062
		1063	static noinline SV *
		1064	pop_callback (I32 *ritems, SV *sv)
		1065	{
		1066	if (SvROK (sv))
		1067	{
		1068	HV *st;
		1069	GV *gvp;
		1070	CV *cv;
		1071	const char *name;
		1072
		1073	/* forgive me */
		1074	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1075	&& (st = SvSTASH (SvRV (sv)))
		1076	&& (name = HvNAME_get (st))
		1077	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1078	return 0;
		1079
		1080	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1081	{
		1082	--*ritems;
		1083	return (SV *)cv;
		1084	}
		1085	}
		1086
		1087	return 0;
		1088	}
		1089
		1090	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
860		1091
861	MODULE = BDB PACKAGE = BDB	1092	MODULE = BDB PACKAGE = BDB
862		1093
863	PROTOTYPES: ENABLE	1094	PROTOTYPES: ENABLE
864		1095
…		…
880	const_iv (INIT_TXN)	1111	const_iv (INIT_TXN)
881	const_iv (RECOVER)	1112	const_iv (RECOVER)
882	const_iv (INIT_TXN)	1113	const_iv (INIT_TXN)
883	const_iv (RECOVER_FATAL)	1114	const_iv (RECOVER_FATAL)
884	const_iv (CREATE)	1115	const_iv (CREATE)
		1116	const_iv (RDONLY)
885	const_iv (USE_ENVIRON)	1117	const_iv (USE_ENVIRON)
886	const_iv (USE_ENVIRON_ROOT)	1118	const_iv (USE_ENVIRON_ROOT)
887	const_iv (LOCKDOWN)	1119	const_iv (LOCKDOWN)
888	const_iv (PRIVATE)	1120	const_iv (PRIVATE)
889	const_iv (REGISTER)	1121	const_iv (REGISTER)
890	const_iv (SYSTEM_MEM)	1122	const_iv (SYSTEM_MEM)
891	const_iv (AUTO_COMMIT)	1123	const_iv (AUTO_COMMIT)
892	const_iv (CDB_ALLDB)	1124	const_iv (CDB_ALLDB)
893	const_iv (DIRECT_DB)	1125	const_iv (DIRECT_DB)
894	const_iv (DIRECT_LOG)
895	const_iv (DSYNC_DB)	1126	const_iv (DSYNC_DB)
896	const_iv (DSYNC_LOG)
897	const_iv (LOG_AUTOREMOVE)
898	const_iv (LOG_INMEMORY)
899	const_iv (NOLOCKING)	1127	const_iv (NOLOCKING)
900	const_iv (MULTIVERSION)
901	const_iv (NOMMAP)	1128	const_iv (NOMMAP)
902	const_iv (NOPANIC)	1129	const_iv (NOPANIC)
903	const_iv (OVERWRITE)	1130	const_iv (OVERWRITE)
904	const_iv (PANIC_ENVIRONMENT)	1131	const_iv (PANIC_ENVIRONMENT)
905	const_iv (REGION_INIT)	1132	const_iv (REGION_INIT)
906	const_iv (TIME_NOTGRANTED)	1133	const_iv (TIME_NOTGRANTED)
907	const_iv (TXN_NOSYNC)	1134	const_iv (TXN_NOSYNC)
908	const_iv (TXN_SNAPSHOT)	1135	const_iv (TXN_NOT_DURABLE)
909	const_iv (TXN_WRITE_NOSYNC)	1136	const_iv (TXN_WRITE_NOSYNC)
910	const_iv (WRITECURSOR)	1137	const_iv (WRITECURSOR)
911	const_iv (YIELDCPU)	1138	const_iv (YIELDCPU)
912	const_iv (ENCRYPT_AES)	1139	const_iv (ENCRYPT_AES)
913	const_iv (XA_CREATE)	1140	const_iv (XA_CREATE)
…		…
921	const_iv (READ_UNCOMMITTED)	1148	const_iv (READ_UNCOMMITTED)
922	const_iv (TRUNCATE)	1149	const_iv (TRUNCATE)
923	const_iv (NOSYNC)	1150	const_iv (NOSYNC)
924	const_iv (CHKSUM)	1151	const_iv (CHKSUM)
925	const_iv (ENCRYPT)	1152	const_iv (ENCRYPT)
926	const_iv (TXN_NOT_DURABLE)
927	const_iv (DUP)	1153	const_iv (DUP)
928	const_iv (DUPSORT)	1154	const_iv (DUPSORT)
929	const_iv (RECNUM)	1155	const_iv (RECNUM)
930	const_iv (RENUMBER)	1156	const_iv (RENUMBER)
931	const_iv (REVSPLITOFF)	1157	const_iv (REVSPLITOFF)
…		…
936	const_iv (GET_BOTH_RANGE)	1162	const_iv (GET_BOTH_RANGE)
937	//const_iv (SET_RECNO)	1163	//const_iv (SET_RECNO)
938	//const_iv (MULTIPLE)	1164	//const_iv (MULTIPLE)
939	const_iv (SNAPSHOT)	1165	const_iv (SNAPSHOT)
940	const_iv (JOIN_ITEM)	1166	const_iv (JOIN_ITEM)
		1167	const_iv (JOIN_NOSORT)
941	const_iv (RMW)	1168	const_iv (RMW)
942		1169
943	const_iv (NOTFOUND)	1170	const_iv (NOTFOUND)
944	const_iv (KEYEMPTY)	1171	const_iv (KEYEMPTY)
945	const_iv (LOCK_DEADLOCK)	1172	const_iv (LOCK_DEADLOCK)
…		…
956	const_iv (APPEND)	1183	const_iv (APPEND)
957	const_iv (NODUPDATA)	1184	const_iv (NODUPDATA)
958	const_iv (NOOVERWRITE)	1185	const_iv (NOOVERWRITE)
959		1186
960	const_iv (TXN_NOWAIT)	1187	const_iv (TXN_NOWAIT)
961	const_iv (TXN_SNAPSHOT)
962	const_iv (TXN_SYNC)	1188	const_iv (TXN_SYNC)
963		1189
964	const_iv (SET_LOCK_TIMEOUT)	1190	const_iv (SET_LOCK_TIMEOUT)
965	const_iv (SET_TXN_TIMEOUT)	1191	const_iv (SET_TXN_TIMEOUT)
966		1192
967	const_iv (JOIN_ITEM)
968	const_iv (FIRST)	1193	const_iv (FIRST)
969	const_iv (NEXT)	1194	const_iv (NEXT)
970	const_iv (NEXT_DUP)	1195	const_iv (NEXT_DUP)
971	const_iv (NEXT_NODUP)	1196	const_iv (NEXT_NODUP)
972	const_iv (PREV)	1197	const_iv (PREV)
…		…
994	const_iv (LOCK_YOUNGEST)	1219	const_iv (LOCK_YOUNGEST)
995		1220
996	const_iv (SEQ_DEC)	1221	const_iv (SEQ_DEC)
997	const_iv (SEQ_INC)	1222	const_iv (SEQ_INC)
998	const_iv (SEQ_WRAP)	1223	const_iv (SEQ_WRAP)
		1224
		1225	const_iv (BUFFER_SMALL)
		1226	const_iv (DONOTINDEX)
		1227	const_iv (KEYEMPTY )
		1228	const_iv (KEYEXIST )
		1229	const_iv (LOCK_DEADLOCK)
		1230	const_iv (LOCK_NOTGRANTED)
		1231	const_iv (LOG_BUFFER_FULL)
		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_IGNORE)
		1241	const_iv (REP_ISPERM)
		1242	const_iv (REP_JOIN_FAILURE)
		1243	const_iv (REP_LOCKOUT)
		1244	const_iv (REP_NEWMASTER)
		1245	const_iv (REP_NEWSITE)
		1246	const_iv (REP_NOTPERM)
		1247	const_iv (REP_UNAVAIL)
		1248	const_iv (RUNRECOVERY)
		1249	const_iv (SECONDARY_BAD)
		1250	const_iv (VERIFY_BAD)
		1251	const_iv (VERSION_MISMATCH)
		1252
		1253	const_iv (VERB_DEADLOCK)
		1254	const_iv (VERB_RECOVERY)
		1255	const_iv (VERB_REGISTER)
		1256	const_iv (VERB_REPLICATION)
		1257	const_iv (VERB_WAITSFOR)
		1258
		1259	const_iv (VERSION_MAJOR)
		1260	const_iv (VERSION_MINOR)
		1261	const_iv (VERSION_PATCH)
		1262	#if DB_VERSION_MINOR >= 5
		1263	const_iv (MULTIVERSION)
		1264	const_iv (TXN_SNAPSHOT)
		1265	#endif
		1266	#if DB_VERSION_MINOR >= 6
		1267	const_iv (PREV_DUP)
		1268	const_iv (PRIORITY_UNCHANGED)
		1269	const_iv (PRIORITY_VERY_LOW)
		1270	const_iv (PRIORITY_LOW)
		1271	const_iv (PRIORITY_DEFAULT)
		1272	const_iv (PRIORITY_HIGH)
		1273	const_iv (PRIORITY_VERY_HIGH)
		1274	#endif
		1275	#if DB_VERSION_MINOR >= 7
		1276	const_iv (LOG_DIRECT)
		1277	const_iv (LOG_DSYNC)
		1278	const_iv (LOG_AUTO_REMOVE)
		1279	const_iv (LOG_IN_MEMORY)
		1280	const_iv (LOG_ZERO)
		1281	#else
		1282	const_iv (DIRECT_LOG)
		1283	const_iv (DSYNC_LOG)
		1284	const_iv (LOG_AUTOREMOVE)
		1285	const_iv (LOG_INMEMORY)
		1286	#endif
999	};	1287	};
1000		1288
1001	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1289	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1002	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1290	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1003		1291
1004	create_pipe ();	1292	{
		1293	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1294	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1295
		1296	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1297	}
		1298
		1299	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1300
		1301	create_respipe ();
		1302
1005	ATFORK (atfork_prepare, atfork_parent, atfork_child);	1303	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1304	patch_errno ();
1006	}	1305	}
1007		1306
1008	void	1307	void
1009	max_poll_reqs (int nreqs)	1308	max_poll_reqs (int nreqs)
1010	PROTOTYPE: $	1309	PROTOTYPE: $
…		…
1129		1428
1130	int	1429	int
1131	nthreads ()	1430	nthreads ()
1132	PROTOTYPE:	1431	PROTOTYPE:
1133	CODE:	1432	CODE:
1134	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1433	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1135	RETVAL = started;	1434	RETVAL = started;
1136	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1435	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1137	OUTPUT:	1436	OUTPUT:
1138	RETVAL	1437	RETVAL
1139		1438
1140	void	1439	void
1141	set_sync_prepare (SV *cb)	1440	set_sync_prepare (SV *cb)
1142	PROTOTYPE: &	1441	PROTOTYPE: &
1143	CODE:	1442	CODE:
1144	SvREFCNT_dec (prepare_cb);	1443	SvREFCNT_dec (prepare_cb);
1145	prepare_cb = newSVsv (cb);	1444	prepare_cb = newSVsv (cb);
1146		1445
		1446	char *
		1447	strerror (int errorno = errno)
		1448	PROTOTYPE: ;$
		1449	CODE:
		1450	RETVAL = db_strerror (errorno);
		1451	OUTPUT:
		1452	RETVAL
		1453
		1454	void _on_next_submit (SV *cb)
		1455	CODE:
		1456	SvREFCNT_dec (on_next_submit);
		1457	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1147		1458
1148	DB_ENV *	1459	DB_ENV *
1149	db_env_create (U32 env_flags = 0)	1460	db_env_create (U32 env_flags = 0)
1150	CODE:	1461	CODE:
1151	{	1462	{
1152	errno = db_env_create (&RETVAL, env_flags);	1463	errno = db_env_create (&RETVAL, env_flags);
1153	if (errno)	1464	if (errno)
1154	croak ("db_env_create: %s", db_strerror (errno));	1465	croak ("db_env_create: %s", db_strerror (errno));
		1466
		1467	if (0)
		1468	{
		1469	RETVAL->set_errcall (RETVAL, debug_errcall);
		1470	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1471	}
1155	}	1472	}
1156	OUTPUT:	1473	OUTPUT:
1157	RETVAL	1474	RETVAL
1158		1475
1159	void	1476	void
1160	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1477	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1478	PREINIT:
		1479	CALLBACK
1161	CODE:	1480	CODE:
1162	{	1481	{
1163	env->set_thread_count (env, get_nthreads ());
1164
1165	dREQ (REQ_ENV_OPEN);	1482	dREQ (REQ_ENV_OPEN);
1166	req->env = env;	1483	req->env = env;
1167	req->uint1 = open_flags | DB_THREAD;	1484	req->uint1 = open_flags | DB_THREAD;
1168	req->int1 = mode;	1485	req->int1 = mode;
1169	req->buf1 = strdup_ornull (db_home);	1486	req->buf1 = strdup_ornull (db_home);
1170	REQ_SEND;	1487	REQ_SEND;
1171	}	1488	}
1172		1489
1173	void	1490	void
1174	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1491	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1492	PREINIT:
		1493	CALLBACK
1175	CODE:	1494	CODE:
1176	{	1495	{
1177	dREQ (REQ_ENV_CLOSE);	1496	dREQ (REQ_ENV_CLOSE);
1178	req->env = env;	1497	req->env = env;
1179	req->uint1 = flags;	1498	req->uint1 = flags;
1180	REQ_SEND;	1499	REQ_SEND;
1181	ptr_nuke (ST (0));	1500	ptr_nuke (ST (0));
1182	}	1501	}
1183		1502
1184	void	1503	void
1185	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1504	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1505	PREINIT:
		1506	CALLBACK
1186	CODE:	1507	CODE:
1187	{	1508	{
1188	dREQ (REQ_ENV_TXN_CHECKPOINT);	1509	dREQ (REQ_ENV_TXN_CHECKPOINT);
1189	req->env = env;	1510	req->env = env;
1190	req->uint1 = kbyte;	1511	req->uint1 = kbyte;
…		…
1192	req->uint2 = flags;	1513	req->uint2 = flags;
1193	REQ_SEND;	1514	REQ_SEND;
1194	}	1515	}
1195		1516
1196	void	1517	void
1197	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1518	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1519	PREINIT:
		1520	CALLBACK
1198	CODE:	1521	CODE:
1199	{	1522	{
1200	dREQ (REQ_ENV_LOCK_DETECT);	1523	dREQ (REQ_ENV_LOCK_DETECT);
1201	req->env = env;	1524	req->env = env;
1202	req->uint1 = flags;	1525	req->uint1 = flags;
1203	req->uint2 = atype;	1526	req->uint2 = atype;
		1527	/* req->int2 = 0; dummy */
1204	REQ_SEND;	1528	REQ_SEND;
1205	}	1529	}
1206		1530
1207	void	1531	void
1208	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1532	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1533	PREINIT:
		1534	CALLBACK
1209	CODE:	1535	CODE:
1210	{	1536	{
1211	dREQ (REQ_ENV_MEMP_SYNC);	1537	dREQ (REQ_ENV_MEMP_SYNC);
1212	req->env = env;	1538	req->env = env;
1213	REQ_SEND;	1539	REQ_SEND;
1214	}	1540	}
1215		1541
1216	void	1542	void
1217	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1543	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1544	PREINIT:
		1545	CALLBACK
1218	CODE:	1546	CODE:
1219	{	1547	{
1220	dREQ (REQ_ENV_MEMP_TRICKLE);	1548	dREQ (REQ_ENV_MEMP_TRICKLE);
1221	req->env = env;	1549	req->env = env;
1222	req->int1 = percent;	1550	req->int1 = percent;
1223	REQ_SEND;	1551	REQ_SEND;
1224	}	1552	}
1225		1553
		1554	void
		1555	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1556	PREINIT:
		1557	CALLBACK
		1558	CODE:
		1559	{
		1560	dREQ (REQ_ENV_DBREMOVE);
		1561	req->env = env;
		1562	req->buf1 = strdup_ornull (file);
		1563	req->buf2 = strdup_ornull (database);
		1564	req->uint1 = flags;
		1565	REQ_SEND;
		1566	}
		1567
		1568	void
		1569	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)
		1570	PREINIT:
		1571	CALLBACK
		1572	CODE:
		1573	{
		1574	dREQ (REQ_ENV_DBRENAME);
		1575	req->env = env;
		1576	req->buf1 = strdup_ornull (file);
		1577	req->buf2 = strdup_ornull (database);
		1578	req->buf3 = strdup_ornull (newname);
		1579	req->uint1 = flags;
		1580	REQ_SEND;
		1581	}
1226		1582
1227	DB *	1583	DB *
1228	db_create (DB_ENV *env = 0, U32 flags = 0)	1584	db_create (DB_ENV *env = 0, U32 flags = 0)
1229	CODE:	1585	CODE:
1230	{	1586	{
…		…
1237	}	1593	}
1238	OUTPUT:	1594	OUTPUT:
1239	RETVAL	1595	RETVAL
1240		1596
1241	void	1597	void
1242	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1598	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1599	PREINIT:
		1600	CALLBACK
1243	CODE:	1601	CODE:
1244	{	1602	{
1245	dREQ (REQ_DB_OPEN);	1603	dREQ (REQ_DB_OPEN);
1246	req->db = db;	1604	req->db = db;
1247	req->txn = txnid;	1605	req->txn = txnid;
…		…
1252	req->int2 = mode;	1610	req->int2 = mode;
1253	REQ_SEND;	1611	REQ_SEND;
1254	}	1612	}
1255		1613
1256	void	1614	void
1257	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1615	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1616	PREINIT:
		1617	CALLBACK
1258	CODE:	1618	CODE:
1259	{	1619	{
1260	dREQ (REQ_DB_CLOSE);	1620	dREQ (REQ_DB_CLOSE);
1261	req->db = db;	1621	req->db = db;
1262	req->uint1 = flags;	1622	req->uint1 = flags;
…		…
1264	REQ_SEND;	1624	REQ_SEND;
1265	ptr_nuke (ST (0));	1625	ptr_nuke (ST (0));
1266	}	1626	}
1267		1627
1268	void	1628	void
1269	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1629	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)
		1630	PREINIT:
		1631	CALLBACK
1270	CODE:	1632	CODE:
1271	{	1633	{
1272	dREQ (REQ_DB_COMPACT);	1634	dREQ (REQ_DB_COMPACT);
1273	req->db = db;	1635	req->db = db;
1274	req->txn = txn;	1636	req->txn = txn;
…		…
1277	req->uint1 = flags;	1639	req->uint1 = flags;
1278	REQ_SEND;	1640	REQ_SEND;
1279	}	1641	}
1280		1642
1281	void	1643	void
1282	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1644	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1645	PREINIT:
		1646	CALLBACK
1283	CODE:	1647	CODE:
1284	{	1648	{
1285	dREQ (REQ_DB_SYNC);	1649	dREQ (REQ_DB_SYNC);
1286	req->db = db;	1650	req->db = db;
1287	req->uint1 = flags;	1651	req->uint1 = flags;
1288	REQ_SEND;	1652	REQ_SEND;
1289	}	1653	}
1290		1654
1291	void	1655	void
		1656	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
		1659	CODE:
		1660	{
		1661	dREQ (REQ_DB_SYNC);
		1662	req->db = db;
		1663	req->buf1 = strdup (file);
		1664	req->uint1 = flags;
		1665	REQ_SEND;
		1666	}
		1667
		1668	void
1292	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1669	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1670	PREINIT:
		1671	CALLBACK
1293	CODE:	1672	CODE:
1294	{	1673	{
1295	dREQ (REQ_DB_KEY_RANGE);	1674	dREQ (REQ_DB_KEY_RANGE);
1296	req->db = db;	1675	req->db = db;
1297	req->txn = txn;	1676	req->txn = txn;
…		…
1300	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1679	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1301	REQ_SEND;	1680	REQ_SEND;
1302	}	1681	}
1303		1682
1304	void	1683	void
1305	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1684	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1685	PREINIT:
		1686	CALLBACK
1306	CODE:	1687	CODE:
1307	{	1688	{
1308	dREQ (REQ_DB_PUT);	1689	dREQ (REQ_DB_PUT);
1309	req->db = db;	1690	req->db = db;
1310	req->txn = txn;	1691	req->txn = txn;
…		…
1313	req->uint1 = flags;	1694	req->uint1 = flags;
1314	REQ_SEND;	1695	REQ_SEND;
1315	}	1696	}
1316		1697
1317	void	1698	void
		1699	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1700	PREINIT:
		1701	CALLBACK
		1702	CODE:
		1703	{
		1704	dREQ (REQ_DB_EXISTS);
		1705	req->db = db;
		1706	req->txn = txn;
		1707	req->uint1 = flags;
		1708	sv_to_dbt (&req->dbt1, key);
		1709	REQ_SEND;
		1710	}
		1711
		1712	void
1318	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1713	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1714	PREINIT:
		1715	CALLBACK
1319	CODE:	1716	CODE:
		1717	if (SvREADONLY (data))
		1718	croak ("can't modify read-only data scalar in db_get");
1320	{	1719	{
1321	dREQ (REQ_DB_GET);	1720	dREQ (REQ_DB_GET);
1322	req->db = db;	1721	req->db = db;
1323	req->txn = txn;	1722	req->txn = txn;
1324	req->uint1 = flags;	1723	req->uint1 = flags;
…		…
1327	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1726	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1328	REQ_SEND;	1727	REQ_SEND;
1329	}	1728	}
1330		1729
1331	void	1730	void
1332	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1731	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1732	PREINIT:
		1733	CALLBACK
1333	CODE:	1734	CODE:
		1735	if (SvREADONLY (data))
		1736	croak ("can't modify read-only data scalar in db_pget");
1334	{	1737	{
1335	dREQ (REQ_DB_PGET);	1738	dREQ (REQ_DB_PGET);
1336	req->db = db;	1739	req->db = db;
1337	req->txn = txn;	1740	req->txn = txn;
1338	req->uint1 = flags;	1741	req->uint1 = flags;
…		…
1342	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1745	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1343	REQ_SEND;	1746	REQ_SEND;
1344	}	1747	}
1345		1748
1346	void	1749	void
1347	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1750	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1751	PREINIT:
		1752	CALLBACK
1348	CODE:	1753	CODE:
1349	{	1754	{
1350	dREQ (REQ_DB_DEL);	1755	dREQ (REQ_DB_DEL);
1351	req->db = db;	1756	req->db = db;
1352	req->txn = txn;	1757	req->txn = txn;
…		…
1354	sv_to_dbt (&req->dbt1, key);	1759	sv_to_dbt (&req->dbt1, key);
1355	REQ_SEND;	1760	REQ_SEND;
1356	}	1761	}
1357		1762
1358	void	1763	void
1359	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1764	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1765	PREINIT:
		1766	CALLBACK
1360	CODE:	1767	CODE:
1361	{	1768	{
1362	dREQ (REQ_TXN_COMMIT);	1769	dREQ (REQ_TXN_COMMIT);
1363	req->txn = txn;	1770	req->txn = txn;
1364	req->uint1 = flags;	1771	req->uint1 = flags;
1365	REQ_SEND;	1772	REQ_SEND;
1366	ptr_nuke (ST (0));	1773	ptr_nuke (ST (0));
1367	}	1774	}
1368		1775
1369	void	1776	void
1370	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1777	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1778	PREINIT:
		1779	CALLBACK
1371	CODE:	1780	CODE:
1372	{	1781	{
1373	dREQ (REQ_TXN_ABORT);	1782	dREQ (REQ_TXN_ABORT);
1374	req->txn = txn;	1783	req->txn = txn;
1375	REQ_SEND;	1784	REQ_SEND;
1376	ptr_nuke (ST (0));	1785	ptr_nuke (ST (0));
1377	}	1786	}
1378		1787
1379	void	1788	void
		1789	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1790	PREINIT:
		1791	CALLBACK
		1792	CODE:
		1793	{
		1794	dREQ (REQ_TXN_FINISH);
		1795	req->txn = txn;
		1796	req->uint1 = flags;
		1797	REQ_SEND;
		1798	ptr_nuke (ST (0));
		1799	}
		1800
		1801	void
1380	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1802	db_c_close (DBC *dbc, SV *callback = 0)
		1803	PREINIT:
		1804	CALLBACK
1381	CODE:	1805	CODE:
1382	{	1806	{
1383	dREQ (REQ_C_CLOSE);	1807	dREQ (REQ_C_CLOSE);
1384	req->dbc = dbc;	1808	req->dbc = dbc;
1385	REQ_SEND;	1809	REQ_SEND;
1386	ptr_nuke (ST (0));	1810	ptr_nuke (ST (0));
1387	}	1811	}
1388		1812
1389	void	1813	void
1390	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1814	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1815	PREINIT:
		1816	CALLBACK
1391	CODE:	1817	CODE:
1392	{	1818	{
1393	dREQ (REQ_C_COUNT);	1819	dREQ (REQ_C_COUNT);
1394	req->dbc = dbc;	1820	req->dbc = dbc;
1395	req->sv1 = SvREFCNT_inc (count);	1821	req->sv1 = SvREFCNT_inc (count);
1396	REQ_SEND;	1822	REQ_SEND;
1397	}	1823	}
1398		1824
1399	void	1825	void
1400	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1826	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1827	PREINIT:
		1828	CALLBACK
1401	CODE:	1829	CODE:
1402	{	1830	{
1403	dREQ (REQ_C_PUT);	1831	dREQ (REQ_C_PUT);
1404	req->dbc = dbc;	1832	req->dbc = dbc;
1405	sv_to_dbt (&req->dbt1, key);	1833	sv_to_dbt (&req->dbt1, key);
…		…
1407	req->uint1 = flags;	1835	req->uint1 = flags;
1408	REQ_SEND;	1836	REQ_SEND;
1409	}	1837	}
1410		1838
1411	void	1839	void
1412	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1840	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1841	PREINIT:
		1842	CALLBACK
1413	CODE:	1843	CODE:
1414	{	1844	{
1415	dREQ (REQ_C_GET);	1845	dREQ (REQ_C_GET);
1416	req->dbc = dbc;	1846	req->dbc = dbc;
1417	req->uint1 = flags;	1847	req->uint1 = flags;
…		…
1432	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1862	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1433	REQ_SEND;	1863	REQ_SEND;
1434	}	1864	}
1435		1865
1436	void	1866	void
1437	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1867	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1868	PREINIT:
		1869	CALLBACK
1438	CODE:	1870	CODE:
1439	{	1871	{
1440	dREQ (REQ_C_PGET);	1872	dREQ (REQ_C_PGET);
1441	req->dbc = dbc;	1873	req->dbc = dbc;
1442	req->uint1 = flags;	1874	req->uint1 = flags;
…		…
1460	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1892	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1461	REQ_SEND;	1893	REQ_SEND;
1462	}	1894	}
1463		1895
1464	void	1896	void
1465	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1897	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1898	PREINIT:
		1899	CALLBACK
1466	CODE:	1900	CODE:
1467	{	1901	{
1468	dREQ (REQ_C_DEL);	1902	dREQ (REQ_C_DEL);
1469	req->dbc = dbc;	1903	req->dbc = dbc;
1470	req->uint1 = flags;	1904	req->uint1 = flags;
1471	REQ_SEND;	1905	REQ_SEND;
1472	}	1906	}
1473		1907
1474		1908
1475	void	1909	void
1476	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1910	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1911	PREINIT:
		1912	CALLBACK
1477	CODE:	1913	CODE:
1478	{	1914	{
1479	dREQ (REQ_SEQ_OPEN);	1915	dREQ (REQ_SEQ_OPEN);
1480	req->seq = seq;	1916	req->seq = seq;
1481	req->txn = txnid;	1917	req->txn = txnid;
…		…
1483	sv_to_dbt (&req->dbt1, key);	1919	sv_to_dbt (&req->dbt1, key);
1484	REQ_SEND;	1920	REQ_SEND;
1485	}	1921	}
1486		1922
1487	void	1923	void
1488	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1924	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1925	PREINIT:
		1926	CALLBACK
1489	CODE:	1927	CODE:
1490	{	1928	{
1491	dREQ (REQ_SEQ_CLOSE);	1929	dREQ (REQ_SEQ_CLOSE);
1492	req->seq = seq;	1930	req->seq = seq;
1493	req->uint1 = flags;	1931	req->uint1 = flags;
1494	REQ_SEND;	1932	REQ_SEND;
1495	ptr_nuke (ST (0));	1933	ptr_nuke (ST (0));
1496	}	1934	}
1497		1935
1498	void	1936	void
1499	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1937	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1938	PREINIT:
		1939	CALLBACK
1500	CODE:	1940	CODE:
1501	{	1941	{
1502	dREQ (REQ_SEQ_GET);	1942	dREQ (REQ_SEQ_GET);
1503	req->seq = seq;	1943	req->seq = seq;
1504	req->txn = txnid;	1944	req->txn = txnid;
…		…
1507	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1947	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1508	REQ_SEND;	1948	REQ_SEND;
1509	}	1949	}
1510		1950
1511	void	1951	void
1512	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1952	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1953	PREINIT:
		1954	CALLBACK
1513	CODE:	1955	CODE:
1514	{	1956	{
1515	dREQ (REQ_SEQ_REMOVE);	1957	dREQ (REQ_SEQ_REMOVE);
1516	req->seq = seq;	1958	req->seq = seq;
1517	req->txn = txnid;	1959	req->txn = txnid;
…		…
1521		1963
1522		1964
1523	MODULE = BDB PACKAGE = BDB::Env	1965	MODULE = BDB PACKAGE = BDB::Env
1524		1966
1525	void	1967	void
1526	DESTROY (DB_ENV_ornull *env)	1968	DESTROY (DB_ENV_ornuked *env)
1527	CODE:	1969	CODE:
1528	if (env)	1970	if (env)
1529	env->close (env, 0);	1971	env->close (env, 0);
1530		1972
1531	int set_data_dir (DB_ENV *env, const char *dir)	1973	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1556	CODE:	1998	CODE:
1557	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1999	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1558	OUTPUT:	2000	OUTPUT:
1559	RETVAL	2001	RETVAL
1560		2002
1561	int set_flags (DB_ENV *env, U32 flags, int onoff)	2003	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1562	CODE:	2004	CODE:
1563	RETVAL = env->set_flags (env, flags, onoff);	2005	RETVAL = env->set_flags (env, flags, onoff);
1564	OUTPUT:	2006	OUTPUT:
1565	RETVAL	2007	RETVAL
1566		2008
		2009	#if DB_VERSION_MINOR >= 7
		2010
		2011	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2012	CODE:
		2013	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2014	OUTPUT:
		2015	RETVAL
		2016
		2017	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2018	CODE:
		2019	RETVAL = env->log_set_config (env, flags, onoff);
		2020	OUTPUT:
		2021	RETVAL
		2022
		2023	#endif
		2024
		2025
		2026	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2027	CODE:
		2028	env->set_errfile (env, errfile);
		2029
		2030	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2031	CODE:
		2032	env->set_msgfile (env, msgfile);
		2033
		2034	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2035	CODE:
		2036	RETVAL = env->set_verbose (env, which, onoff);
		2037	OUTPUT:
		2038	RETVAL
		2039
1567	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2040	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1568	CODE:	2041	CODE:
1569	RETVAL = env->set_encrypt (env, password, flags);	2042	RETVAL = env->set_encrypt (env, password, flags);
1570	OUTPUT:	2043	OUTPUT:
1571	RETVAL	2044	RETVAL
1572		2045
1573	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2046	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1574	CODE:	2047	CODE:
1575	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2048	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1576	OUTPUT:	2049	OUTPUT:
1577	RETVAL	2050	RETVAL
1578		2051
…		…
1626		2099
1627	int set_lg_max (DB_ENV *env, U32 max)	2100	int set_lg_max (DB_ENV *env, U32 max)
1628	CODE:	2101	CODE:
1629	RETVAL = env->set_lg_max (env, max);	2102	RETVAL = env->set_lg_max (env, max);
1630	OUTPUT:	2103	OUTPUT:
		2104	RETVAL
		2105
		2106	int mutex_set_max (DB_ENV *env, U32 max)
		2107	CODE:
		2108	RETVAL = env->mutex_set_max (env, max);
		2109	OUTPUT:
		2110	RETVAL
		2111
		2112	int mutex_set_increment (DB_ENV *env, U32 increment)
		2113	CODE:
		2114	RETVAL = env->mutex_set_increment (env, increment);
		2115	OUTPUT:
		2116	RETVAL
		2117
		2118	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2119	CODE:
		2120	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2121	OUTPUT:
		2122	RETVAL
		2123
		2124	int mutex_set_align (DB_ENV *env, U32 align)
		2125	CODE:
		2126	RETVAL = env->mutex_set_align (env, align);
		2127	OUTPUT:
1631	RETVAL	2128	RETVAL
1632		2129
1633	DB_TXN *	2130	DB_TXN *
1634	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2131	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1635	CODE:	2132	CODE:
…		…
1637	if (errno)	2134	if (errno)
1638	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2135	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1639	OUTPUT:	2136	OUTPUT:
1640	RETVAL	2137	RETVAL
1641		2138
		2139	DB_TXN *
		2140	cdsgroup_begin (DB_ENV *env)
		2141	CODE:
		2142	errno = env->cdsgroup_begin (env, &RETVAL);
		2143	if (errno)
		2144	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2145	OUTPUT:
		2146	RETVAL
		2147
1642	MODULE = BDB PACKAGE = BDB::Db	2148	MODULE = BDB PACKAGE = BDB::Db
1643		2149
1644	void	2150	void
1645	DESTROY (DB_ornull *db)	2151	DESTROY (DB_ornuked *db)
1646	CODE:	2152	CODE:
1647	if (db)	2153	if (db)
1648	{	2154	{
1649	SV *env = (SV *)db->app_private;	2155	SV *env = (SV *)db->app_private;
1650	db->close (db, 0);	2156	db->close (db, 0);
…		…
1655	CODE:	2161	CODE:
1656	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2162	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1657	OUTPUT:	2163	OUTPUT:
1658	RETVAL	2164	RETVAL
1659		2165
1660	int set_flags (DB *db, U32 flags);	2166	int set_flags (DB *db, U32 flags)
1661	CODE:	2167	CODE:
1662	RETVAL = db->set_flags (db, flags);	2168	RETVAL = db->set_flags (db, flags);
1663	OUTPUT:	2169	OUTPUT:
1664	RETVAL	2170	RETVAL
1665		2171
…		…
1679	CODE:	2185	CODE:
1680	RETVAL = db->set_bt_minkey (db, minkey);	2186	RETVAL = db->set_bt_minkey (db, minkey);
1681	OUTPUT:	2187	OUTPUT:
1682	RETVAL	2188	RETVAL
1683		2189
1684	int set_re_delim(DB *db, int delim);	2190	int set_re_delim (DB *db, int delim)
1685	CODE:	2191	CODE:
1686	RETVAL = db->set_re_delim (db, delim);	2192	RETVAL = db->set_re_delim (db, delim);
1687	OUTPUT:	2193	OUTPUT:
1688	RETVAL	2194	RETVAL
1689		2195
…		…
1745		2251
1746		2252
1747	MODULE = BDB PACKAGE = BDB::Txn	2253	MODULE = BDB PACKAGE = BDB::Txn
1748		2254
1749	void	2255	void
1750	DESTROY (DB_TXN_ornull *txn)	2256	DESTROY (DB_TXN_ornuked *txn)
1751	CODE:	2257	CODE:
1752	if (txn)	2258	if (txn)
1753	txn->abort (txn);	2259	txn->abort (txn);
1754		2260
1755	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2261	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1756	CODE:	2262	CODE:
1757	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2263	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1758	OUTPUT:	2264	OUTPUT:
1759	RETVAL	2265	RETVAL
1760		2266
		2267	int failed (DB_TXN *txn)
		2268	CODE:
		2269	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2270	OUTPUT:
		2271	RETVAL
		2272
1761		2273
1762	MODULE = BDB PACKAGE = BDB::Cursor	2274	MODULE = BDB PACKAGE = BDB::Cursor
1763		2275
1764	void	2276	void
1765	DESTROY (DBC_ornull *dbc)	2277	DESTROY (DBC_ornuked *dbc)
1766	CODE:	2278	CODE:
1767	if (dbc)	2279	if (dbc)
1768	dbc->c_close (dbc);	2280	dbc->c_close (dbc);
1769		2281
		2282	#if DB_VERSION_MINOR >= 6
		2283
		2284	int set_priority (DBC *dbc, int priority)
		2285	CODE:
		2286	dbc->set_priority (dbc, priority);
		2287
		2288	#endif
		2289
1770	MODULE = BDB PACKAGE = BDB::Sequence	2290	MODULE = BDB PACKAGE = BDB::Sequence
1771		2291
1772	void	2292	void
1773	DESTROY (DB_SEQUENCE_ornull *seq)	2293	DESTROY (DB_SEQUENCE_ornuked *seq)
1774	CODE:	2294	CODE:
1775	if (seq)	2295	if (seq)
1776	seq->close (seq, 0);	2296	seq->close (seq, 0);
1777		2297
1778	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2298	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1797	CODE:	2317	CODE:
1798	RETVAL = seq->set_range (seq, min, max);	2318	RETVAL = seq->set_range (seq, min, max);
1799	OUTPUT:	2319	OUTPUT:
1800	RETVAL	2320	RETVAL
1801		2321
		2322

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