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Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.43 by root, Wed Jul 9 12:55:57 2008 UTC

1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	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
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
29		31
30	#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)
31	# error you need Berkeley DB 4.5 or newer installed	33	# error you need Berkeley DB 4.4 or newer installed
32	#endif	34	#endif
33		35
34	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
35	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
36
37	/* wether word reads are potentially non-atomic.
38	* this is conservatice, likely most arches this runs
39	* on have atomic word read/writes.
40	*/
41	#ifndef WORDACCESS_UNSAFE
42	# if __i386 || __x86_64
43	# define WORDACCESS_UNSAFE 0
44	# else
45	# define WORDACCESS_UNSAFE 1
46	# endif
47	#endif
48		38
49	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
50	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
51	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
52	typedef DB DB_ornull;	42	typedef DB DB_ornull;
53	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
54		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
55	typedef SV SV8; /* byte-sv, used for argument-checking */	51	typedef SV SV8; /* byte-sv, used for argument-checking */
56	typedef char *octetstring;	52	typedef char *bdb_filename;
57		53
58	static SV *prepare_cb;	54	static SV *prepare_cb;
59		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
60	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 *
61	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
62	{	110	{
63	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
64	}	112	}
65		113
66	static inline void	114	static void
67	sv_to_dbt (DBT *dbt, SV *sv)	115	sv_to_dbt (DBT *dbt, SV *sv)
68	{	116	{
69	STRLEN len;	117	STRLEN len;
70	char *data = SvPVbyte (sv, len);	118	char *data = SvPVbyte (sv, len);
71		119
…		…
73	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
74	dbt->size = len;	122	dbt->size = len;
75	dbt->flags = DB_DBT_REALLOC;	123	dbt->flags = DB_DBT_REALLOC;
76	}	124	}
77		125
78	static inline void	126	static void
79	dbt_to_sv (SV *sv, DBT *dbt)	127	dbt_to_sv (SV *sv, DBT *dbt)
80	{	128	{
81	if (sv)	129	if (sv)
82	{	130	{
83	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
…		…
89	}	137	}
90		138
91	enum {	139	enum {
92	REQ_QUIT,	140	REQ_QUIT,
93	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,
94	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	142	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
95	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	143	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
96	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	144	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97	REQ_TXN_COMMIT, REQ_TXN_ABORT,	145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
98	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	146	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
99	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100	};	148	};
101		149
102	typedef struct aio_cb	150	typedef struct bdb_cb
103	{	151	{
104	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
105	SV *callback;	153	SV *callback;
106	int type, pri, result;	154	int type, pri, result;
107		155
108	DB_ENV *env;	156	DB_ENV *env;
109	DB *db;	157	DB *db;
…		…
111	DBC *dbc;	159	DBC *dbc;
112		160
113	UV uv1;	161	UV uv1;
114	int int1, int2;	162	int int1, int2;
115	U32 uint1, uint2;	163	U32 uint1, uint2;
116	char *buf1, *buf2;	164	char *buf1, *buf2, *buf3;
117	SV *sv1, *sv2, *sv3;	165	SV *sv1, *sv2, *sv3;
118		166
119	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
120	DB_KEY_RANGE key_range;	168	DB_KEY_RANGE key_range;
121	DB_SEQUENCE *seq;	169	DB_SEQUENCE *seq;
122	db_seq_t seq_t;	170	db_seq_t seq_t;
123	} aio_cb;	171	} bdb_cb;
124		172
125	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
126		174
127	enum {	175	enum {
128	PRI_MIN = -4,	176	PRI_MIN = -4,
129	PRI_MAX = 4,	177	PRI_MAX = 4,
130		178
…		…
133	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
134	};	182	};
135		183
136	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
137		185
		186	static SV *on_next_submit;
		187
138	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
139	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
140		190
141	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
142	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	192	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
147		197
148	static int next_pri = DEFAULT_PRI + PRI_BIAS;	198	static int next_pri = DEFAULT_PRI + PRI_BIAS;
149		199
150	static unsigned int started, idle, wanted;	200	static unsigned int started, idle, wanted;
151		201
152	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
153	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
154	#else
155	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
156	#endif
157
158	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
159	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
160
161	/* worker threads management */	202	/* worker threads management */
162	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	203	static mutex_t wrklock = X_MUTEX_INIT;
163		204
164	typedef struct worker {	205	typedef struct worker {
165	/* locked by wrklock */	206	/* locked by wrklock */
166	struct worker *prev, *next;	207	struct worker *prev, *next;
167		208
168	pthread_t tid;	209	thread_t tid;
169		210
170	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
171	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
172	void *dbuf;	213	void *dbuf;
173	DIR *dirp;	214	DIR *dirp;
174	} worker;	215	} worker;
175		216
176	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
188	}	229	}
189		230
190	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
191	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
192	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
193	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
194		235
195	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
196	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
197	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	238	static cond_t reqwait = X_COND_INIT;
198		239
199	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
200		241
201	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
202	{	243	{
203	unsigned int retval;	244	unsigned int retval;
204		245
205	LOCK (reqlock);	246	X_LOCK (reqlock);
206	retval = nready;	247	retval = nready;
207	UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
208		249
209	return retval;	250	return retval;
210	}	251	}
211		252
212	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
213	{	254	{
214	unsigned int retval;	255	unsigned int retval;
215		256
216	LOCK (reslock);	257	X_LOCK (reslock);
217	retval = npending;	258	retval = npending;
218	UNLOCK (reslock);	259	X_UNLOCK (reslock);
219		260
220	return retval;	261	return retval;
221	}	262	}
222		263
223	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
224	{	265	{
225	unsigned int retval;	266	unsigned int retval;
226		267
227	LOCK (wrklock);	268	X_LOCK (wrklock);
228	retval = started;	269	retval = started;
229	UNLOCK (wrklock);	270	X_UNLOCK (wrklock);
230		271
231	return retval;	272	return retval;
232	}	273	}
233		274
234	#else	275	#else
…		…
243	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
244	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
245	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
246	*/	287	*/
247	typedef struct {	288	typedef struct {
248	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249	int size;	290	int size;
250	} reqq;	291	} reqq;
251		292
252	static reqq req_queue;	293	static reqq req_queue;
253	static reqq res_queue;	294	static reqq res_queue;
254		295
255	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
256	{	297	{
257	int pri = req->pri;	298	int pri = req->pri;
258	req->next = 0;	299	req->next = 0;
259		300
260	if (q->qe[pri])	301	if (q->qe[pri])
…		…
266	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
267		308
268	return q->size++;	309	return q->size++;
269	}	310	}
270		311
271	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
272	{	313	{
273	int pri;	314	int pri;
274		315
275	if (!q->size)	316	if (!q->size)
276	return 0;	317	return 0;
277		318
278	--q->size;	319	--q->size;
279		320
280	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
281	{	322	{
282	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
283		324
284	if (req)	325	if (req)
285	{	326	{
286	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
287	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
291	}	332	}
292		333
293	abort ();	334	abort ();
294	}	335	}
295		336
296	static int poll_cb ();	337	static int poll_cb (void);
297	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
298	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
299		340
300	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
301	{	342	{
302	dSP;	343	dSP;
303		344
304	if (SvOK (req->callback))	345	if (req->callback)
305	{	346	{
306	ENTER;	347	ENTER;
307	SAVETMPS;	348	SAVETMPS;
308	PUSHMARK (SP);	349	PUSHMARK (SP);
309		350
…		…
323	dbt_to_sv (req->sv1, &req->dbt1);	364	dbt_to_sv (req->sv1, &req->dbt1);
324	dbt_to_sv (req->sv2, &req->dbt2);	365	dbt_to_sv (req->sv2, &req->dbt2);
325	dbt_to_sv (req->sv3, &req->dbt3);	366	dbt_to_sv (req->sv3, &req->dbt3);
326	break;	367	break;
327		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
328	case REQ_DB_KEY_RANGE:	375	case REQ_DB_KEY_RANGE:
329	{	376	{
330	AV *av = newAV ();	377	AV *av = newAV ();
331		378
332	av_push (av, newSVnv (req->key_range.less));	379	av_push (av, newSVnv (req->key_range.less));
…		…
341		388
342	case REQ_SEQ_GET:	389	case REQ_SEQ_GET:
343	SvREADONLY_off (req->sv1);	390	SvREADONLY_off (req->sv1);
344		391
345	if (sizeof (IV) > 4)	392	if (sizeof (IV) > 4)
346	sv_setiv_mg (req->sv1, req->seq_t);	393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
347	else	394	else
348	sv_setnv_mg (req->sv1, req->seq_t);	395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
349		396
350	SvREFCNT_dec (req->sv1);	397	SvREFCNT_dec (req->sv1);
351	break;	398	break;
352	}	399	}
353		400
…		…
362	}	409	}
363		410
364	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
365	}	412	}
366		413
367	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
368	{	415	{
		416	SvREFCNT_dec (req->callback);
		417
369	free (req->buf1);	418	free (req->buf1);
370	free (req->buf2);	419	free (req->buf2);
		420	free (req->buf3);
		421
371	Safefree (req);	422	Safefree (req);
372	}	423	}
373		424
374	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);
375		473
376	static void start_thread (void)	474	static void start_thread (void)
377	{	475	{
378	sigset_t fullsigset, oldsigset;
379	pthread_attr_t attr;
380
381	worker *wrk = calloc (1, sizeof (worker));	476	worker *wrk = calloc (1, sizeof (worker));
382		477
383	if (!wrk)	478	if (!wrk)
384	croak ("unable to allocate worker thread data");	479	croak ("unable to allocate worker thread data");
385		480
386	pthread_attr_init (&attr);
387	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
388	#ifdef PTHREAD_SCOPE_PROCESS
389	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
390	#endif
391
392	sigfillset (&fullsigset);
393
394	LOCK (wrklock);	481	X_LOCK (wrklock);
395	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	482	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398	{	483	{
399	wrk->prev = &wrk_first;	484	wrk->prev = &wrk_first;
400	wrk->next = wrk_first.next;	485	wrk->next = wrk_first.next;
401	wrk_first.next->prev = wrk;	486	wrk_first.next->prev = wrk;
402	wrk_first.next = wrk;	487	wrk_first.next = wrk;
403	++started;	488	++started;
404	}	489	}
405	else	490	else
406	free (wrk);	491	free (wrk);
407		492
408	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409	UNLOCK (wrklock);	493	X_UNLOCK (wrklock);
410	}	494	}
411		495
412	static void maybe_start_thread ()	496	static void maybe_start_thread (void)
413	{	497	{
414	if (get_nthreads () >= wanted)	498	if (get_nthreads () >= wanted)
415	return;	499	return;
416		500
417	/* todo: maybe use idle here, but might be less exact */	501	/* todo: maybe use idle here, but might be less exact */
…		…
419	return;	503	return;
420		504
421	start_thread ();	505	start_thread ();
422	}	506	}
423		507
424	static void req_send (aio_req req)	508	static void req_send (bdb_req req)
425	{	509	{
426	SV *wait_callback = 0;	510	SV *wait_callback = 0;
427		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
428	// synthesize callback if none given	524	// synthesize callback if none given
429	if (!SvOK (req->callback))	525	if (!req->callback)
430	{	526	{
		527	int count;
		528
431	dSP;	529	dSP;
432	PUSHMARK (SP);	530	PUSHMARK (SP);
433	PUTBACK;	531	PUTBACK;
434	int count = call_sv (prepare_cb, G_ARRAY);	532	count = call_sv (prepare_cb, G_ARRAY);
435	SPAGAIN;	533	SPAGAIN;
436		534
437	if (count != 2)	535	if (count != 2)
438	croak ("prepare callback must return exactly two values\n");	536	croak ("prepare callback must return exactly two values\n");
439		537
440	wait_callback = SvREFCNT_inc (POPs);	538	wait_callback = POPs;
441	SvREFCNT_dec (req->callback);	539	SvREFCNT_dec (req->callback);
442	req->callback = SvREFCNT_inc (POPs);	540	req->callback = SvREFCNT_inc (POPs);
443	}	541	}
444		542
445	++nreqs;	543	++nreqs;
446		544
447	LOCK (reqlock);	545	X_LOCK (reqlock);
448	++nready;	546	++nready;
449	reqq_push (&req_queue, req);	547	reqq_push (&req_queue, req);
450	pthread_cond_signal (&reqwait);	548	X_COND_SIGNAL (reqwait);
451	UNLOCK (reqlock);	549	X_UNLOCK (reqlock);
452		550
453	maybe_start_thread ();	551	maybe_start_thread ();
454		552
455	if (wait_callback)	553	if (wait_callback)
456	{	554	{
457	dSP;	555	dSP;
458	PUSHMARK (SP);	556	PUSHMARK (SP);
459	PUTBACK;	557	PUTBACK;
460	call_sv (wait_callback, G_DISCARD);	558	call_sv (wait_callback, G_DISCARD);
461	SvREFCNT_dec (wait_callback);
462	}	559	}
463	}	560	}
464		561
465	static void end_thread (void)	562	static void end_thread (void)
466	{	563	{
467	aio_req req;	564	bdb_req req;
468		565
469	Newz (0, req, 1, aio_cb);	566	Newz (0, req, 1, bdb_cb);
470		567
471	req->type = REQ_QUIT;	568	req->type = REQ_QUIT;
472	req->pri = PRI_MAX + PRI_BIAS;	569	req->pri = PRI_MAX + PRI_BIAS;
473		570
474	LOCK (reqlock);	571	X_LOCK (reqlock);
475	reqq_push (&req_queue, req);	572	reqq_push (&req_queue, req);
476	pthread_cond_signal (&reqwait);	573	X_COND_SIGNAL (reqwait);
477	UNLOCK (reqlock);	574	X_UNLOCK (reqlock);
478		575
479	LOCK (wrklock);	576	X_LOCK (wrklock);
480	--started;	577	--started;
481	UNLOCK (wrklock);	578	X_UNLOCK (wrklock);
482	}	579	}
483		580
484	static void set_max_idle (int nthreads)	581	static void set_max_idle (int nthreads)
485	{	582	{
486	if (WORDACCESS_UNSAFE) LOCK (reqlock);	583	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487	max_idle = nthreads <= 0 ? 1 : nthreads;	584	max_idle = nthreads <= 0 ? 1 : nthreads;
488	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	585	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489	}	586	}
490		587
491	static void min_parallel (int nthreads)	588	static void min_parallel (int nthreads)
492	{	589	{
493	if (wanted < nthreads)	590	if (wanted < nthreads)
…		…
501		598
502	while (started > wanted)	599	while (started > wanted)
503	end_thread ();	600	end_thread ();
504	}	601	}
505		602
506	static void poll_wait ()	603	static void poll_wait (void)
507	{	604	{
508	fd_set rfd;	605	fd_set rfd;
509		606
510	while (nreqs)	607	while (nreqs)
511	{	608	{
512	int size;	609	int size;
513	if (WORDACCESS_UNSAFE) LOCK (reslock);	610	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514	size = res_queue.size;	611	size = res_queue.size;
515	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	612	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516		613
517	if (size)	614	if (size)
518	return;	615	return;
519		616
520	maybe_start_thread ();	617	maybe_start_thread ();
521		618
522	FD_ZERO(&rfd);	619	FD_ZERO (&rfd);
523	FD_SET(respipe [0], &rfd);	620	FD_SET (respipe [0], &rfd);
524		621
525	select (respipe [0] + 1, &rfd, 0, 0, 0);	622	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526	}	623	}
527	}	624	}
528		625
529	static int poll_cb ()	626	static int poll_cb (void)
530	{	627	{
531	dSP;	628	dSP;
532	int count = 0;	629	int count = 0;
533	int maxreqs = max_poll_reqs;	630	int maxreqs = max_poll_reqs;
534	int do_croak = 0;	631	int do_croak = 0;
535	struct timeval tv_start, tv_now;	632	struct timeval tv_start, tv_now;
536	aio_req req;	633	bdb_req req;
537		634
538	if (max_poll_time)	635	if (max_poll_time)
539	gettimeofday (&tv_start, 0);	636	gettimeofday (&tv_start, 0);
540		637
541	for (;;)	638	for (;;)
542	{	639	{
543	for (;;)	640	for (;;)
544	{	641	{
545	maybe_start_thread ();	642	maybe_start_thread ();
546		643
547	LOCK (reslock);	644	X_LOCK (reslock);
548	req = reqq_shift (&res_queue);	645	req = reqq_shift (&res_queue);
549		646
550	if (req)	647	if (req)
551	{	648	{
552	--npending;	649	--npending;
553		650
554	if (!res_queue.size)	651	if (!res_queue.size)
555	{	652	{
556	/* read any signals sent by the worker threads */	653	/* read any signals sent by the worker threads */
557	char buf [4];	654	char buf [4];
558	while (read (respipe [0], buf, 4) == 4)	655	while (respipe_read (respipe [0], buf, 4) == 4)
559	;	656	;
560	}	657	}
561	}	658	}
562		659
563	UNLOCK (reslock);	660	X_UNLOCK (reslock);
564		661
565	if (!req)	662	if (!req)
566	break;	663	break;
567		664
568	--nreqs;	665	--nreqs;
…		…
598	}	695	}
599		696
600	return count;	697	return count;
601	}	698	}
602		699
603	static void create_pipe ()
604	{
605	if (pipe (respipe))
606	croak ("unable to initialize result pipe");
607
608	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
609	croak ("cannot set result pipe to nonblocking mode");
610
611	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
612	croak ("cannot set result pipe to nonblocking mode");
613	}
614
615	/*****************************************************************************/	700	/*****************************************************************************/
616		701
617	static void *aio_proc (void *thr_arg)	702	X_THREAD_PROC (bdb_proc)
618	{	703	{
619	aio_req req;	704	bdb_req req;
620	struct timespec ts;	705	struct timespec ts;
621	worker *self = (worker *)thr_arg;	706	worker *self = (worker *)thr_arg;
622		707
623	/* try to distribute timeouts somewhat evenly */	708	/* try to distribute timeouts somewhat evenly */
624	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	709	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625	* (1000000000UL / 1024UL);
626		710
627	for (;;)	711	for (;;)
628	{	712	{
629	ts.tv_sec = time (0) + IDLE_TIMEOUT;	713	ts.tv_sec = time (0) + IDLE_TIMEOUT;
630		714
631	LOCK (reqlock);	715	X_LOCK (reqlock);
632		716
633	for (;;)	717	for (;;)
634	{	718	{
635	self->req = req = reqq_shift (&req_queue);	719	self->req = req = reqq_shift (&req_queue);
636		720
637	if (req)	721	if (req)
638	break;	722	break;
639		723
640	++idle;	724	++idle;
641		725
642	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	726	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643	== ETIMEDOUT)	727	== ETIMEDOUT)
644	{	728	{
645	if (idle > max_idle)	729	if (idle > max_idle)
646	{	730	{
647	--idle;	731	--idle;
648	UNLOCK (reqlock);	732	X_UNLOCK (reqlock);
649	LOCK (wrklock);	733	X_LOCK (wrklock);
650	--started;	734	--started;
651	UNLOCK (wrklock);	735	X_UNLOCK (wrklock);
652	goto quit;	736	goto quit;
653	}	737	}
654		738
655	/* we are allowed to idle, so do so without any timeout */	739	/* we are allowed to idle, so do so without any timeout */
656	pthread_cond_wait (&reqwait, &reqlock);	740	X_COND_WAIT (reqwait, reqlock);
657	ts.tv_sec = time (0) + IDLE_TIMEOUT;	741	ts.tv_sec = time (0) + IDLE_TIMEOUT;
658	}	742	}
659		743
660	--idle;	744	--idle;
661	}	745	}
662		746
663	--nready;	747	--nready;
664		748
665	UNLOCK (reqlock);	749	X_UNLOCK (reqlock);
666		750
667	switch (req->type)	751	switch (req->type)
668	{	752	{
669	case REQ_QUIT:	753	case REQ_QUIT:
		754	req->result = ENOSYS;
670	goto quit;	755	goto quit;
671		756
672	case REQ_ENV_OPEN:	757	case REQ_ENV_OPEN:
673	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);
674	break;	759	break;
…		…
691		776
692	case REQ_ENV_MEMP_TRICKLE:	777	case REQ_ENV_MEMP_TRICKLE:
693	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);
694	break;	779	break;
695		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
696	case REQ_DB_OPEN:	789	case REQ_DB_OPEN:
697	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);
698	break;	791	break;
699		792
700	case REQ_DB_CLOSE:	793	case REQ_DB_CLOSE:
…		…
707		800
708	case REQ_DB_SYNC:	801	case REQ_DB_SYNC:
709	req->result = req->db->sync (req->db, req->uint1);	802	req->result = req->db->sync (req->db, req->uint1);
710	break;	803	break;
711		804
		805	case REQ_DB_UPGRADE:
		806	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		807	break;
		808
712	case REQ_DB_PUT:	809	case REQ_DB_PUT:
713	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);
714	break;	811	break;
715		812
716	case REQ_DB_GET:	813	case REQ_DB_GET:
…		…
733	req->result = req->txn->commit (req->txn, req->uint1);	830	req->result = req->txn->commit (req->txn, req->uint1);
734	break;	831	break;
735		832
736	case REQ_TXN_ABORT:	833	case REQ_TXN_ABORT:
737	req->result = req->txn->abort (req->txn);	834	req->result = req->txn->abort (req->txn);
		835	break;
		836
		837	case REQ_TXN_FINISH:
		838	if (req->txn->flags & TXN_DEADLOCK)
		839	{
		840	req->result = req->txn->abort (req->txn);
		841	if (!req->result)
		842	req->result = DB_LOCK_DEADLOCK;
		843	}
		844	else
		845	req->result = req->txn->commit (req->txn, req->uint1);
738	break;	846	break;
739		847
740	case REQ_C_CLOSE:	848	case REQ_C_CLOSE:
741	req->result = req->dbc->c_close (req->dbc);	849	req->result = req->dbc->c_close (req->dbc);
742	break;	850	break;
…		…
784	default:	892	default:
785	req->result = ENOSYS;	893	req->result = ENOSYS;
786	break;	894	break;
787	}	895	}
788		896
		897	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		898	req->txn->flags |= TXN_DEADLOCK;
		899
789	LOCK (reslock);	900	X_LOCK (reslock);
790		901
791	++npending;	902	++npending;
792		903
793	if (!reqq_push (&res_queue, req))	904	if (!reqq_push (&res_queue, req))
794	/* write a dummy byte to the pipe so fh becomes ready */	905	/* write a dummy byte to the pipe so fh becomes ready */
795	write (respipe [1], &respipe, 1);	906	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796		907
797	self->req = 0;	908	self->req = 0;
798	worker_clear (self);	909	worker_clear (self);
799		910
800	UNLOCK (reslock);	911	X_UNLOCK (reslock);
801	}	912	}
802		913
803	quit:	914	quit:
804	LOCK (wrklock);	915	X_LOCK (wrklock);
805	worker_free (self);	916	worker_free (self);
806	UNLOCK (wrklock);	917	X_UNLOCK (wrklock);
807		918
808	return 0;	919	return 0;
809	}	920	}
810		921
811	/*****************************************************************************/	922	/*****************************************************************************/
812		923
813	static void atfork_prepare (void)	924	static void atfork_prepare (void)
814	{	925	{
815	LOCK (wrklock);	926	X_LOCK (wrklock);
816	LOCK (reqlock);	927	X_LOCK (reqlock);
817	LOCK (reslock);	928	X_LOCK (reslock);
818	}	929	}
819		930
820	static void atfork_parent (void)	931	static void atfork_parent (void)
821	{	932	{
822	UNLOCK (reslock);	933	X_UNLOCK (reslock);
823	UNLOCK (reqlock);	934	X_UNLOCK (reqlock);
824	UNLOCK (wrklock);	935	X_UNLOCK (wrklock);
825	}	936	}
826		937
827	static void atfork_child (void)	938	static void atfork_child (void)
828	{	939	{
829	aio_req prv;	940	bdb_req prv;
830		941
831	while (prv = reqq_shift (&req_queue))	942	while (prv = reqq_shift (&req_queue))
832	req_free (prv);	943	req_free (prv);
833		944
834	while (prv = reqq_shift (&res_queue))	945	while (prv = reqq_shift (&res_queue))
…		…
849	idle = 0;	960	idle = 0;
850	nreqs = 0;	961	nreqs = 0;
851	nready = 0;	962	nready = 0;
852	npending = 0;	963	npending = 0;
853		964
854	close (respipe [0]);
855	close (respipe [1]);
856	create_pipe ();	965	create_respipe ();
857		966
858	atfork_parent ();	967	atfork_parent ();
859	}	968	}
860		969
861	#define dREQ(reqtype) \	970	#define dREQ(reqtype) \
862	aio_req req; \	971	bdb_req req; \
863	int req_pri = next_pri; \	972	int req_pri = next_pri; \
864	next_pri = DEFAULT_PRI + PRI_BIAS; \	973	next_pri = DEFAULT_PRI + PRI_BIAS; \
865	\	974	\
866	if (SvOK (callback) && !SvROK (callback)) \	975	if (callback && SvOK (callback)) \
867	croak ("callback must be undef or of reference type"); \	976	croak ("callback has illegal type or extra arguments"); \
868	\	977	\
869	Newz (0, req, 1, aio_cb); \	978	Newz (0, req, 1, bdb_cb); \
870	if (!req) \	979	if (!req) \
871	croak ("out of memory during aio_req allocation"); \	980	croak ("out of memory during bdb_req allocation"); \
872	\	981	\
873	req->callback = newSVsv (callback); \	982	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
874	req->type = (reqtype); \	983	req->type = (reqtype); \
875	req->pri = req_pri	984	req->pri = req_pri
876		985
877	#define REQ_SEND \	986	#define REQ_SEND \
878	req_send (req)	987	req_send (req)
879		988
880	#define SvPTR(var, arg, type, class, nullok) \	989	#define SvPTR(var, arg, type, class, nullok) \
881	if (!SvOK (arg)) \	990	if (!SvOK (arg)) \
882	{ \	991	{ \
883	if (!nullok) \	992	if (nullok != 1) \
884	croak (# var " must be a " # class " object, not undef"); \	993	croak (# var " must be a " # class " object, not undef"); \
885	\	994	\
886	(var) = 0; \	995	(var) = 0; \
887	} \	996	} \
888	else if (sv_derived_from ((arg), # class)) \	997	else if (sv_derived_from ((arg), # class)) \
889	{ \	998	{ \
890	IV tmp = SvIV ((SV*) SvRV (arg)); \	999	IV tmp = SvIV ((SV*) SvRV (arg)); \
891	(var) = INT2PTR (type, tmp); \	1000	(var) = INT2PTR (type, tmp); \
892	if (!var) \	1001	if (!var && nullok != 2) \
893	croak (# var " is not a valid " # class " object anymore"); \	1002	croak (# var " is not a valid " # class " object anymore"); \
894	} \	1003	} \
895	else \	1004	else \
896	croak (# var " is not of type " # class); \	1005	croak (# var " is not of type " # class);
897	\
898		1006
899	static void	1007	static void
900	ptr_nuke (SV *sv)	1008	ptr_nuke (SV *sv)
901	{	1009	{
902	assert (SvROK (sv));	1010	assert (SvROK (sv));
903	sv_setiv (SvRV (sv), 0);	1011	sv_setiv (SvRV (sv), 0);
904	}	1012	}
		1013
		1014	static int
		1015	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1016	{
		1017	if (*mg->mg_ptr == '!') // should always be the case
		1018	if (-30999 <= errno && errno <= -30800)
		1019	{
		1020	sv_setnv (sv, (NV)errno);
		1021	sv_setpv (sv, db_strerror (errno));
		1022	SvNOK_on (sv); /* what a wonderful hack! */
		1023	// ^^^ copied from perl sources
		1024	return 0;
		1025	}
		1026
		1027	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1028	}
		1029
		1030	static MGVTBL vtbl_errno;
		1031
		1032	// this wonderful hack :( patches perl's $! variable to support our errno values
		1033	static void
		1034	patch_errno (void)
		1035	{
		1036	SV *sv;
		1037	MAGIC *mg;
		1038
		1039	if (!(sv = get_sv ("!", 1)))
		1040	return;
		1041
		1042	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1043	return;
		1044
		1045	if (mg->mg_virtual != &PL_vtbl_sv)
		1046	return;
		1047
		1048	vtbl_errno = PL_vtbl_sv;
		1049	vtbl_errno.svt_get = errno_get;
		1050	mg->mg_virtual = &vtbl_errno;
		1051	}
		1052
		1053	#if __GNUC__ >= 4
		1054	# define noinline __attribute__ ((noinline))
		1055	#else
		1056	# define noinline
		1057	#endif
		1058
		1059	static noinline SV *
		1060	pop_callback (I32 *ritems, SV *sv)
		1061	{
		1062	if (SvROK (sv))
		1063	{
		1064	HV *st;
		1065	GV *gvp;
		1066	CV *cv;
		1067	const char *name;
		1068
		1069	/* forgive me */
		1070	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1071	&& (st = SvSTASH (SvRV (sv)))
		1072	&& (name = HvNAME_get (st))
		1073	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1074	return 0;
		1075
		1076	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1077	{
		1078	--*ritems;
		1079	return (SV *)cv;
		1080	}
		1081	}
		1082
		1083	return 0;
		1084	}
		1085
		1086	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
905		1087
906	MODULE = BDB PACKAGE = BDB	1088	MODULE = BDB PACKAGE = BDB
907		1089
908	PROTOTYPES: ENABLE	1090	PROTOTYPES: ENABLE
909		1091
…		…
925	const_iv (INIT_TXN)	1107	const_iv (INIT_TXN)
926	const_iv (RECOVER)	1108	const_iv (RECOVER)
927	const_iv (INIT_TXN)	1109	const_iv (INIT_TXN)
928	const_iv (RECOVER_FATAL)	1110	const_iv (RECOVER_FATAL)
929	const_iv (CREATE)	1111	const_iv (CREATE)
		1112	const_iv (RDONLY)
930	const_iv (USE_ENVIRON)	1113	const_iv (USE_ENVIRON)
931	const_iv (USE_ENVIRON_ROOT)	1114	const_iv (USE_ENVIRON_ROOT)
932	const_iv (LOCKDOWN)	1115	const_iv (LOCKDOWN)
933	const_iv (PRIVATE)	1116	const_iv (PRIVATE)
934	const_iv (REGISTER)	1117	const_iv (REGISTER)
935	const_iv (SYSTEM_MEM)	1118	const_iv (SYSTEM_MEM)
936	const_iv (AUTO_COMMIT)	1119	const_iv (AUTO_COMMIT)
937	const_iv (CDB_ALLDB)	1120	const_iv (CDB_ALLDB)
938	const_iv (DIRECT_DB)	1121	const_iv (DIRECT_DB)
939	const_iv (DIRECT_LOG)
940	const_iv (DSYNC_DB)	1122	const_iv (DSYNC_DB)
941	const_iv (DSYNC_LOG)
942	const_iv (LOG_AUTOREMOVE)
943	const_iv (LOG_INMEMORY)
944	const_iv (NOLOCKING)	1123	const_iv (NOLOCKING)
945	const_iv (MULTIVERSION)
946	const_iv (NOMMAP)	1124	const_iv (NOMMAP)
947	const_iv (NOPANIC)	1125	const_iv (NOPANIC)
948	const_iv (OVERWRITE)	1126	const_iv (OVERWRITE)
949	const_iv (PANIC_ENVIRONMENT)	1127	const_iv (PANIC_ENVIRONMENT)
950	const_iv (REGION_INIT)	1128	const_iv (REGION_INIT)
951	const_iv (TIME_NOTGRANTED)	1129	const_iv (TIME_NOTGRANTED)
952	const_iv (TXN_NOSYNC)	1130	const_iv (TXN_NOSYNC)
953	const_iv (TXN_SNAPSHOT)	1131	const_iv (TXN_NOT_DURABLE)
954	const_iv (TXN_WRITE_NOSYNC)	1132	const_iv (TXN_WRITE_NOSYNC)
955	const_iv (WRITECURSOR)	1133	const_iv (WRITECURSOR)
956	const_iv (YIELDCPU)	1134	const_iv (YIELDCPU)
957	const_iv (ENCRYPT_AES)	1135	const_iv (ENCRYPT_AES)
958	const_iv (XA_CREATE)	1136	const_iv (XA_CREATE)
…		…
966	const_iv (READ_UNCOMMITTED)	1144	const_iv (READ_UNCOMMITTED)
967	const_iv (TRUNCATE)	1145	const_iv (TRUNCATE)
968	const_iv (NOSYNC)	1146	const_iv (NOSYNC)
969	const_iv (CHKSUM)	1147	const_iv (CHKSUM)
970	const_iv (ENCRYPT)	1148	const_iv (ENCRYPT)
971	const_iv (TXN_NOT_DURABLE)
972	const_iv (DUP)	1149	const_iv (DUP)
973	const_iv (DUPSORT)	1150	const_iv (DUPSORT)
974	const_iv (RECNUM)	1151	const_iv (RECNUM)
975	const_iv (RENUMBER)	1152	const_iv (RENUMBER)
976	const_iv (REVSPLITOFF)	1153	const_iv (REVSPLITOFF)
…		…
981	const_iv (GET_BOTH_RANGE)	1158	const_iv (GET_BOTH_RANGE)
982	//const_iv (SET_RECNO)	1159	//const_iv (SET_RECNO)
983	//const_iv (MULTIPLE)	1160	//const_iv (MULTIPLE)
984	const_iv (SNAPSHOT)	1161	const_iv (SNAPSHOT)
985	const_iv (JOIN_ITEM)	1162	const_iv (JOIN_ITEM)
		1163	const_iv (JOIN_NOSORT)
986	const_iv (RMW)	1164	const_iv (RMW)
987		1165
988	const_iv (NOTFOUND)	1166	const_iv (NOTFOUND)
989	const_iv (KEYEMPTY)	1167	const_iv (KEYEMPTY)
990	const_iv (LOCK_DEADLOCK)	1168	const_iv (LOCK_DEADLOCK)
…		…
1001	const_iv (APPEND)	1179	const_iv (APPEND)
1002	const_iv (NODUPDATA)	1180	const_iv (NODUPDATA)
1003	const_iv (NOOVERWRITE)	1181	const_iv (NOOVERWRITE)
1004		1182
1005	const_iv (TXN_NOWAIT)	1183	const_iv (TXN_NOWAIT)
1006	const_iv (TXN_SNAPSHOT)
1007	const_iv (TXN_SYNC)	1184	const_iv (TXN_SYNC)
1008		1185
1009	const_iv (SET_LOCK_TIMEOUT)	1186	const_iv (SET_LOCK_TIMEOUT)
1010	const_iv (SET_TXN_TIMEOUT)	1187	const_iv (SET_TXN_TIMEOUT)
1011		1188
1012	const_iv (JOIN_ITEM)
1013	const_iv (FIRST)	1189	const_iv (FIRST)
1014	const_iv (NEXT)	1190	const_iv (NEXT)
1015	const_iv (NEXT_DUP)	1191	const_iv (NEXT_DUP)
1016	const_iv (NEXT_NODUP)	1192	const_iv (NEXT_NODUP)
1017	const_iv (PREV)	1193	const_iv (PREV)
…		…
1039	const_iv (LOCK_YOUNGEST)	1215	const_iv (LOCK_YOUNGEST)
1040		1216
1041	const_iv (SEQ_DEC)	1217	const_iv (SEQ_DEC)
1042	const_iv (SEQ_INC)	1218	const_iv (SEQ_INC)
1043	const_iv (SEQ_WRAP)	1219	const_iv (SEQ_WRAP)
		1220
		1221	const_iv (BUFFER_SMALL)
		1222	const_iv (DONOTINDEX)
		1223	const_iv (KEYEMPTY )
		1224	const_iv (KEYEXIST )
		1225	const_iv (LOCK_DEADLOCK)
		1226	const_iv (LOCK_NOTGRANTED)
		1227	const_iv (LOG_BUFFER_FULL)
		1228	const_iv (NOSERVER)
		1229	const_iv (NOSERVER_HOME)
		1230	const_iv (NOSERVER_ID)
		1231	const_iv (NOTFOUND)
		1232	const_iv (PAGE_NOTFOUND)
		1233	const_iv (REP_DUPMASTER)
		1234	const_iv (REP_HANDLE_DEAD)
		1235	const_iv (REP_HOLDELECTION)
		1236	const_iv (REP_IGNORE)
		1237	const_iv (REP_ISPERM)
		1238	const_iv (REP_JOIN_FAILURE)
		1239	const_iv (REP_LOCKOUT)
		1240	const_iv (REP_NEWMASTER)
		1241	const_iv (REP_NEWSITE)
		1242	const_iv (REP_NOTPERM)
		1243	const_iv (REP_UNAVAIL)
		1244	const_iv (RUNRECOVERY)
		1245	const_iv (SECONDARY_BAD)
		1246	const_iv (VERIFY_BAD)
		1247	const_iv (VERSION_MISMATCH)
		1248
		1249	const_iv (VERB_DEADLOCK)
		1250	const_iv (VERB_RECOVERY)
		1251	const_iv (VERB_REGISTER)
		1252	const_iv (VERB_REPLICATION)
		1253	const_iv (VERB_WAITSFOR)
		1254
		1255	const_iv (VERSION_MAJOR)
		1256	const_iv (VERSION_MINOR)
		1257	const_iv (VERSION_PATCH)
		1258	#if DB_VERSION_MINOR >= 5
		1259	const_iv (MULTIVERSION)
		1260	const_iv (TXN_SNAPSHOT)
		1261	#endif
		1262	#if DB_VERSION_MINOR >= 6
		1263	const_iv (PREV_DUP)
		1264	const_iv (PRIORITY_UNCHANGED)
		1265	const_iv (PRIORITY_VERY_LOW)
		1266	const_iv (PRIORITY_LOW)
		1267	const_iv (PRIORITY_DEFAULT)
		1268	const_iv (PRIORITY_HIGH)
		1269	const_iv (PRIORITY_VERY_HIGH)
		1270	#endif
		1271	#if DB_VERSION_MINOR >= 7
		1272	const_iv (LOG_DIRECT)
		1273	const_iv (LOG_DSYNC)
		1274	const_iv (LOG_AUTO_REMOVE)
		1275	const_iv (LOG_IN_MEMORY)
		1276	const_iv (LOG_ZERO)
		1277	#else
		1278	const_iv (DIRECT_LOG)
		1279	const_iv (DSYNC_LOG)
		1280	const_iv (LOG_AUTOREMOVE)
		1281	const_iv (LOG_INMEMORY)
		1282	#endif
1044	};	1283	};
1045		1284
1046	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1285	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1286	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048		1287
1049	create_pipe ();	1288	{
		1289	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1290	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1291
		1292	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1293	}
		1294
		1295	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1296
		1297	create_respipe ();
		1298
1050	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1299	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1300	patch_errno ();
1051	}	1301	}
1052		1302
1053	void	1303	void
1054	max_poll_reqs (int nreqs)	1304	max_poll_reqs (int nreqs)
1055	PROTOTYPE: $	1305	PROTOTYPE: $
…		…
1174		1424
1175	int	1425	int
1176	nthreads ()	1426	nthreads ()
1177	PROTOTYPE:	1427	PROTOTYPE:
1178	CODE:	1428	CODE:
1179	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1429	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180	RETVAL = started;	1430	RETVAL = started;
1181	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1431	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182	OUTPUT:	1432	OUTPUT:
1183	RETVAL	1433	RETVAL
1184		1434
1185	void	1435	void
1186	set_sync_prepare (SV *cb)	1436	set_sync_prepare (SV *cb)
1187	PROTOTYPE: &	1437	PROTOTYPE: &
1188	CODE:	1438	CODE:
1189	SvREFCNT_dec (prepare_cb);	1439	SvREFCNT_dec (prepare_cb);
1190	prepare_cb = newSVsv (cb);	1440	prepare_cb = newSVsv (cb);
1191		1441
		1442	char *
		1443	strerror (int errorno = errno)
		1444	PROTOTYPE: ;$
		1445	CODE:
		1446	RETVAL = db_strerror (errorno);
		1447	OUTPUT:
		1448	RETVAL
		1449
		1450	void _on_next_submit (SV *cb)
		1451	CODE:
		1452	SvREFCNT_dec (on_next_submit);
		1453	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192		1454
1193	DB_ENV *	1455	DB_ENV *
1194	db_env_create (U32 env_flags = 0)	1456	db_env_create (U32 env_flags = 0)
1195	CODE:	1457	CODE:
1196	{	1458	{
1197	errno = db_env_create (&RETVAL, env_flags);	1459	errno = db_env_create (&RETVAL, env_flags);
1198	if (errno)	1460	if (errno)
1199	croak ("db_env_create: %s", db_strerror (errno));	1461	croak ("db_env_create: %s", db_strerror (errno));
		1462
		1463	if (0)
		1464	{
		1465	RETVAL->set_errcall (RETVAL, debug_errcall);
		1466	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1467	}
1200	}	1468	}
1201	OUTPUT:	1469	OUTPUT:
1202	RETVAL	1470	RETVAL
1203		1471
1204	void	1472	void
1205	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1473	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1474	PREINIT:
		1475	CALLBACK
1206	CODE:	1476	CODE:
1207	{	1477	{
1208	env->set_thread_count (env, get_nthreads ());
1209
1210	dREQ (REQ_ENV_OPEN);	1478	dREQ (REQ_ENV_OPEN);
1211	req->env = env;	1479	req->env = env;
1212	req->uint1 = open_flags | DB_THREAD;	1480	req->uint1 = open_flags | DB_THREAD;
1213	req->int1 = mode;	1481	req->int1 = mode;
1214	req->buf1 = strdup_ornull (db_home);	1482	req->buf1 = strdup_ornull (db_home);
1215	REQ_SEND;	1483	REQ_SEND;
1216	}	1484	}
1217		1485
1218	void	1486	void
1219	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1487	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1488	PREINIT:
		1489	CALLBACK
1220	CODE:	1490	CODE:
1221	{	1491	{
1222	dREQ (REQ_ENV_CLOSE);	1492	dREQ (REQ_ENV_CLOSE);
1223	req->env = env;	1493	req->env = env;
1224	req->uint1 = flags;	1494	req->uint1 = flags;
1225	REQ_SEND;	1495	REQ_SEND;
1226	ptr_nuke (ST (0));	1496	ptr_nuke (ST (0));
1227	}	1497	}
1228		1498
1229	void	1499	void
1230	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1500	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1501	PREINIT:
		1502	CALLBACK
1231	CODE:	1503	CODE:
1232	{	1504	{
1233	dREQ (REQ_ENV_TXN_CHECKPOINT);	1505	dREQ (REQ_ENV_TXN_CHECKPOINT);
1234	req->env = env;	1506	req->env = env;
1235	req->uint1 = kbyte;	1507	req->uint1 = kbyte;
…		…
1237	req->uint2 = flags;	1509	req->uint2 = flags;
1238	REQ_SEND;	1510	REQ_SEND;
1239	}	1511	}
1240		1512
1241	void	1513	void
1242	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1514	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1515	PREINIT:
		1516	CALLBACK
1243	CODE:	1517	CODE:
1244	{	1518	{
1245	dREQ (REQ_ENV_LOCK_DETECT);	1519	dREQ (REQ_ENV_LOCK_DETECT);
1246	req->env = env;	1520	req->env = env;
1247	req->uint1 = flags;	1521	req->uint1 = flags;
1248	req->uint2 = atype;	1522	req->uint2 = atype;
		1523	/* req->int2 = 0; dummy */
1249	REQ_SEND;	1524	REQ_SEND;
1250	}	1525	}
1251		1526
1252	void	1527	void
1253	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1528	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1529	PREINIT:
		1530	CALLBACK
1254	CODE:	1531	CODE:
1255	{	1532	{
1256	dREQ (REQ_ENV_MEMP_SYNC);	1533	dREQ (REQ_ENV_MEMP_SYNC);
1257	req->env = env;	1534	req->env = env;
1258	REQ_SEND;	1535	REQ_SEND;
1259	}	1536	}
1260		1537
1261	void	1538	void
1262	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1539	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1540	PREINIT:
		1541	CALLBACK
1263	CODE:	1542	CODE:
1264	{	1543	{
1265	dREQ (REQ_ENV_MEMP_TRICKLE);	1544	dREQ (REQ_ENV_MEMP_TRICKLE);
1266	req->env = env;	1545	req->env = env;
1267	req->int1 = percent;	1546	req->int1 = percent;
1268	REQ_SEND;	1547	REQ_SEND;
1269	}	1548	}
1270		1549
		1550	void
		1551	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1552	PREINIT:
		1553	CALLBACK
		1554	CODE:
		1555	{
		1556	dREQ (REQ_ENV_DBREMOVE);
		1557	req->env = env;
		1558	req->buf1 = strdup_ornull (file);
		1559	req->buf2 = strdup_ornull (database);
		1560	req->uint1 = flags;
		1561	REQ_SEND;
		1562	}
		1563
		1564	void
		1565	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)
		1566	PREINIT:
		1567	CALLBACK
		1568	CODE:
		1569	{
		1570	dREQ (REQ_ENV_DBRENAME);
		1571	req->env = env;
		1572	req->buf1 = strdup_ornull (file);
		1573	req->buf2 = strdup_ornull (database);
		1574	req->buf3 = strdup_ornull (newname);
		1575	req->uint1 = flags;
		1576	REQ_SEND;
		1577	}
1271		1578
1272	DB *	1579	DB *
1273	db_create (DB_ENV *env = 0, U32 flags = 0)	1580	db_create (DB_ENV *env = 0, U32 flags = 0)
1274	CODE:	1581	CODE:
1275	{	1582	{
…		…
1282	}	1589	}
1283	OUTPUT:	1590	OUTPUT:
1284	RETVAL	1591	RETVAL
1285		1592
1286	void	1593	void
1287	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1594	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1595	PREINIT:
		1596	CALLBACK
1288	CODE:	1597	CODE:
1289	{	1598	{
1290	dREQ (REQ_DB_OPEN);	1599	dREQ (REQ_DB_OPEN);
1291	req->db = db;	1600	req->db = db;
1292	req->txn = txnid;	1601	req->txn = txnid;
…		…
1297	req->int2 = mode;	1606	req->int2 = mode;
1298	REQ_SEND;	1607	REQ_SEND;
1299	}	1608	}
1300		1609
1301	void	1610	void
1302	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1611	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1612	PREINIT:
		1613	CALLBACK
1303	CODE:	1614	CODE:
1304	{	1615	{
1305	dREQ (REQ_DB_CLOSE);	1616	dREQ (REQ_DB_CLOSE);
1306	req->db = db;	1617	req->db = db;
1307	req->uint1 = flags;	1618	req->uint1 = flags;
…		…
1309	REQ_SEND;	1620	REQ_SEND;
1310	ptr_nuke (ST (0));	1621	ptr_nuke (ST (0));
1311	}	1622	}
1312		1623
1313	void	1624	void
1314	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1625	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)
		1626	PREINIT:
		1627	CALLBACK
1315	CODE:	1628	CODE:
1316	{	1629	{
1317	dREQ (REQ_DB_COMPACT);	1630	dREQ (REQ_DB_COMPACT);
1318	req->db = db;	1631	req->db = db;
1319	req->txn = txn;	1632	req->txn = txn;
…		…
1322	req->uint1 = flags;	1635	req->uint1 = flags;
1323	REQ_SEND;	1636	REQ_SEND;
1324	}	1637	}
1325		1638
1326	void	1639	void
1327	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1640	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1641	PREINIT:
		1642	CALLBACK
1328	CODE:	1643	CODE:
1329	{	1644	{
1330	dREQ (REQ_DB_SYNC);	1645	dREQ (REQ_DB_SYNC);
1331	req->db = db;	1646	req->db = db;
1332	req->uint1 = flags;	1647	req->uint1 = flags;
1333	REQ_SEND;	1648	REQ_SEND;
1334	}	1649	}
1335		1650
1336	void	1651	void
		1652	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1653	PREINIT:
		1654	CALLBACK
		1655	CODE:
		1656	{
		1657	dREQ (REQ_DB_SYNC);
		1658	req->db = db;
		1659	req->buf1 = strdup (file);
		1660	req->uint1 = flags;
		1661	REQ_SEND;
		1662	}
		1663
		1664	void
1337	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1665	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1666	PREINIT:
		1667	CALLBACK
1338	CODE:	1668	CODE:
1339	{	1669	{
1340	dREQ (REQ_DB_KEY_RANGE);	1670	dREQ (REQ_DB_KEY_RANGE);
1341	req->db = db;	1671	req->db = db;
1342	req->txn = txn;	1672	req->txn = txn;
…		…
1345	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1675	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1346	REQ_SEND;	1676	REQ_SEND;
1347	}	1677	}
1348		1678
1349	void	1679	void
1350	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1680	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1681	PREINIT:
		1682	CALLBACK
1351	CODE:	1683	CODE:
1352	{	1684	{
1353	dREQ (REQ_DB_PUT);	1685	dREQ (REQ_DB_PUT);
1354	req->db = db;	1686	req->db = db;
1355	req->txn = txn;	1687	req->txn = txn;
…		…
1358	req->uint1 = flags;	1690	req->uint1 = flags;
1359	REQ_SEND;	1691	REQ_SEND;
1360	}	1692	}
1361		1693
1362	void	1694	void
1363	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1695	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1696	PREINIT:
		1697	CALLBACK
1364	CODE:	1698	CODE:
		1699	if (SvREADONLY (data))
		1700	croak ("can't modify read-only data scalar in db_get");
1365	{	1701	{
1366	dREQ (REQ_DB_GET);	1702	dREQ (REQ_DB_GET);
1367	req->db = db;	1703	req->db = db;
1368	req->txn = txn;	1704	req->txn = txn;
1369	req->uint1 = flags;	1705	req->uint1 = flags;
…		…
1372	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1708	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1373	REQ_SEND;	1709	REQ_SEND;
1374	}	1710	}
1375		1711
1376	void	1712	void
1377	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1713	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1714	PREINIT:
		1715	CALLBACK
1378	CODE:	1716	CODE:
		1717	if (SvREADONLY (data))
		1718	croak ("can't modify read-only data scalar in db_pget");
1379	{	1719	{
1380	dREQ (REQ_DB_PGET);	1720	dREQ (REQ_DB_PGET);
1381	req->db = db;	1721	req->db = db;
1382	req->txn = txn;	1722	req->txn = txn;
1383	req->uint1 = flags;	1723	req->uint1 = flags;
…		…
1387	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1727	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1388	REQ_SEND;	1728	REQ_SEND;
1389	}	1729	}
1390		1730
1391	void	1731	void
1392	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1732	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
1393	CODE:	1735	CODE:
1394	{	1736	{
1395	dREQ (REQ_DB_DEL);	1737	dREQ (REQ_DB_DEL);
1396	req->db = db;	1738	req->db = db;
1397	req->txn = txn;	1739	req->txn = txn;
…		…
1399	sv_to_dbt (&req->dbt1, key);	1741	sv_to_dbt (&req->dbt1, key);
1400	REQ_SEND;	1742	REQ_SEND;
1401	}	1743	}
1402		1744
1403	void	1745	void
1404	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1746	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
1405	CODE:	1749	CODE:
1406	{	1750	{
1407	dREQ (REQ_TXN_COMMIT);	1751	dREQ (REQ_TXN_COMMIT);
1408	req->txn = txn;	1752	req->txn = txn;
1409	req->uint1 = flags;	1753	req->uint1 = flags;
1410	REQ_SEND;	1754	REQ_SEND;
1411	ptr_nuke (ST (0));	1755	ptr_nuke (ST (0));
1412	}	1756	}
1413		1757
1414	void	1758	void
1415	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1759	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1760	PREINIT:
		1761	CALLBACK
1416	CODE:	1762	CODE:
1417	{	1763	{
1418	dREQ (REQ_TXN_ABORT);	1764	dREQ (REQ_TXN_ABORT);
1419	req->txn = txn;	1765	req->txn = txn;
1420	REQ_SEND;	1766	REQ_SEND;
1421	ptr_nuke (ST (0));	1767	ptr_nuke (ST (0));
1422	}	1768	}
1423		1769
1424	void	1770	void
		1771	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1772	PREINIT:
		1773	CALLBACK
		1774	CODE:
		1775	{
		1776	dREQ (REQ_TXN_FINISH);
		1777	req->txn = txn;
		1778	req->uint1 = flags;
		1779	REQ_SEND;
		1780	ptr_nuke (ST (0));
		1781	}
		1782
		1783	void
1425	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1784	db_c_close (DBC *dbc, SV *callback = 0)
		1785	PREINIT:
		1786	CALLBACK
1426	CODE:	1787	CODE:
1427	{	1788	{
1428	dREQ (REQ_C_CLOSE);	1789	dREQ (REQ_C_CLOSE);
1429	req->dbc = dbc;	1790	req->dbc = dbc;
1430	REQ_SEND;	1791	REQ_SEND;
1431	ptr_nuke (ST (0));	1792	ptr_nuke (ST (0));
1432	}	1793	}
1433		1794
1434	void	1795	void
1435	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1796	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1797	PREINIT:
		1798	CALLBACK
1436	CODE:	1799	CODE:
1437	{	1800	{
1438	dREQ (REQ_C_COUNT);	1801	dREQ (REQ_C_COUNT);
1439	req->dbc = dbc;	1802	req->dbc = dbc;
1440	req->sv1 = SvREFCNT_inc (count);	1803	req->sv1 = SvREFCNT_inc (count);
1441	REQ_SEND;	1804	REQ_SEND;
1442	}	1805	}
1443		1806
1444	void	1807	void
1445	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1808	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
1446	CODE:	1811	CODE:
1447	{	1812	{
1448	dREQ (REQ_C_PUT);	1813	dREQ (REQ_C_PUT);
1449	req->dbc = dbc;	1814	req->dbc = dbc;
1450	sv_to_dbt (&req->dbt1, key);	1815	sv_to_dbt (&req->dbt1, key);
…		…
1452	req->uint1 = flags;	1817	req->uint1 = flags;
1453	REQ_SEND;	1818	REQ_SEND;
1454	}	1819	}
1455		1820
1456	void	1821	void
1457	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1822	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1823	PREINIT:
		1824	CALLBACK
1458	CODE:	1825	CODE:
1459	{	1826	{
1460	dREQ (REQ_C_GET);	1827	dREQ (REQ_C_GET);
1461	req->dbc = dbc;	1828	req->dbc = dbc;
1462	req->uint1 = flags;	1829	req->uint1 = flags;
…		…
1477	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1844	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1478	REQ_SEND;	1845	REQ_SEND;
1479	}	1846	}
1480		1847
1481	void	1848	void
1482	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1849	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1850	PREINIT:
		1851	CALLBACK
1483	CODE:	1852	CODE:
1484	{	1853	{
1485	dREQ (REQ_C_PGET);	1854	dREQ (REQ_C_PGET);
1486	req->dbc = dbc;	1855	req->dbc = dbc;
1487	req->uint1 = flags;	1856	req->uint1 = flags;
…		…
1505	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1874	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1506	REQ_SEND;	1875	REQ_SEND;
1507	}	1876	}
1508		1877
1509	void	1878	void
1510	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1879	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1880	PREINIT:
		1881	CALLBACK
1511	CODE:	1882	CODE:
1512	{	1883	{
1513	dREQ (REQ_C_DEL);	1884	dREQ (REQ_C_DEL);
1514	req->dbc = dbc;	1885	req->dbc = dbc;
1515	req->uint1 = flags;	1886	req->uint1 = flags;
1516	REQ_SEND;	1887	REQ_SEND;
1517	}	1888	}
1518		1889
1519		1890
1520	void	1891	void
1521	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1892	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1893	PREINIT:
		1894	CALLBACK
1522	CODE:	1895	CODE:
1523	{	1896	{
1524	dREQ (REQ_SEQ_OPEN);	1897	dREQ (REQ_SEQ_OPEN);
1525	req->seq = seq;	1898	req->seq = seq;
1526	req->txn = txnid;	1899	req->txn = txnid;
…		…
1528	sv_to_dbt (&req->dbt1, key);	1901	sv_to_dbt (&req->dbt1, key);
1529	REQ_SEND;	1902	REQ_SEND;
1530	}	1903	}
1531		1904
1532	void	1905	void
1533	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1906	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1907	PREINIT:
		1908	CALLBACK
1534	CODE:	1909	CODE:
1535	{	1910	{
1536	dREQ (REQ_SEQ_CLOSE);	1911	dREQ (REQ_SEQ_CLOSE);
1537	req->seq = seq;	1912	req->seq = seq;
1538	req->uint1 = flags;	1913	req->uint1 = flags;
1539	REQ_SEND;	1914	REQ_SEND;
1540	ptr_nuke (ST (0));	1915	ptr_nuke (ST (0));
1541	}	1916	}
1542		1917
1543	void	1918	void
1544	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1919	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1920	PREINIT:
		1921	CALLBACK
1545	CODE:	1922	CODE:
1546	{	1923	{
1547	dREQ (REQ_SEQ_GET);	1924	dREQ (REQ_SEQ_GET);
1548	req->seq = seq;	1925	req->seq = seq;
1549	req->txn = txnid;	1926	req->txn = txnid;
…		…
1552	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1929	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1553	REQ_SEND;	1930	REQ_SEND;
1554	}	1931	}
1555		1932
1556	void	1933	void
1557	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1934	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1935	PREINIT:
		1936	CALLBACK
1558	CODE:	1937	CODE:
1559	{	1938	{
1560	dREQ (REQ_SEQ_REMOVE);	1939	dREQ (REQ_SEQ_REMOVE);
1561	req->seq = seq;	1940	req->seq = seq;
1562	req->txn = txnid;	1941	req->txn = txnid;
…		…
1566		1945
1567		1946
1568	MODULE = BDB PACKAGE = BDB::Env	1947	MODULE = BDB PACKAGE = BDB::Env
1569		1948
1570	void	1949	void
1571	DESTROY (DB_ENV_ornull *env)	1950	DESTROY (DB_ENV_ornuked *env)
1572	CODE:	1951	CODE:
1573	if (env)	1952	if (env)
1574	env->close (env, 0);	1953	env->close (env, 0);
1575		1954
1576	int set_data_dir (DB_ENV *env, const char *dir)	1955	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1601	CODE:	1980	CODE:
1602	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1981	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603	OUTPUT:	1982	OUTPUT:
1604	RETVAL	1983	RETVAL
1605		1984
1606	int set_flags (DB_ENV *env, U32 flags, int onoff)	1985	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607	CODE:	1986	CODE:
1608	RETVAL = env->set_flags (env, flags, onoff);	1987	RETVAL = env->set_flags (env, flags, onoff);
1609	OUTPUT:	1988	OUTPUT:
1610	RETVAL	1989	RETVAL
1611		1990
		1991	#if DB_VERSION_MINOR >= 7
		1992
		1993	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		1994	CODE:
		1995	RETVAL = env->set_intermediate_dir_mode (env, mode);
		1996	OUTPUT:
		1997	RETVAL
		1998
		1999	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2000	CODE:
		2001	RETVAL = env->log_set_config (env, flags, onoff);
		2002	OUTPUT:
		2003	RETVAL
		2004
		2005	#endif
		2006
		2007
		2008	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2009	CODE:
		2010	env->set_errfile (env, errfile);
		2011
		2012	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2013	CODE:
		2014	env->set_msgfile (env, msgfile);
		2015
		2016	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2017	CODE:
		2018	RETVAL = env->set_verbose (env, which, onoff);
		2019	OUTPUT:
		2020	RETVAL
		2021
1612	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2022	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613	CODE:	2023	CODE:
1614	RETVAL = env->set_encrypt (env, password, flags);	2024	RETVAL = env->set_encrypt (env, password, flags);
1615	OUTPUT:	2025	OUTPUT:
1616	RETVAL	2026	RETVAL
1617		2027
1618	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2028	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619	CODE:	2029	CODE:
1620	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2030	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621	OUTPUT:	2031	OUTPUT:
1622	RETVAL	2032	RETVAL
1623		2033
…		…
1671		2081
1672	int set_lg_max (DB_ENV *env, U32 max)	2082	int set_lg_max (DB_ENV *env, U32 max)
1673	CODE:	2083	CODE:
1674	RETVAL = env->set_lg_max (env, max);	2084	RETVAL = env->set_lg_max (env, max);
1675	OUTPUT:	2085	OUTPUT:
		2086	RETVAL
		2087
		2088	int mutex_set_max (DB_ENV *env, U32 max)
		2089	CODE:
		2090	RETVAL = env->mutex_set_max (env, max);
		2091	OUTPUT:
		2092	RETVAL
		2093
		2094	int mutex_set_increment (DB_ENV *env, U32 increment)
		2095	CODE:
		2096	RETVAL = env->mutex_set_increment (env, increment);
		2097	OUTPUT:
		2098	RETVAL
		2099
		2100	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2101	CODE:
		2102	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2103	OUTPUT:
		2104	RETVAL
		2105
		2106	int mutex_set_align (DB_ENV *env, U32 align)
		2107	CODE:
		2108	RETVAL = env->mutex_set_align (env, align);
		2109	OUTPUT:
1676	RETVAL	2110	RETVAL
1677		2111
1678	DB_TXN *	2112	DB_TXN *
1679	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2113	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680	CODE:	2114	CODE:
…		…
1685	RETVAL	2119	RETVAL
1686		2120
1687	MODULE = BDB PACKAGE = BDB::Db	2121	MODULE = BDB PACKAGE = BDB::Db
1688		2122
1689	void	2123	void
1690	DESTROY (DB_ornull *db)	2124	DESTROY (DB_ornuked *db)
1691	CODE:	2125	CODE:
1692	if (db)	2126	if (db)
1693	{	2127	{
1694	SV *env = (SV *)db->app_private;	2128	SV *env = (SV *)db->app_private;
1695	db->close (db, 0);	2129	db->close (db, 0);
…		…
1700	CODE:	2134	CODE:
1701	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2135	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702	OUTPUT:	2136	OUTPUT:
1703	RETVAL	2137	RETVAL
1704		2138
1705	int set_flags (DB *db, U32 flags);	2139	int set_flags (DB *db, U32 flags)
1706	CODE:	2140	CODE:
1707	RETVAL = db->set_flags (db, flags);	2141	RETVAL = db->set_flags (db, flags);
1708	OUTPUT:	2142	OUTPUT:
1709	RETVAL	2143	RETVAL
1710		2144
…		…
1724	CODE:	2158	CODE:
1725	RETVAL = db->set_bt_minkey (db, minkey);	2159	RETVAL = db->set_bt_minkey (db, minkey);
1726	OUTPUT:	2160	OUTPUT:
1727	RETVAL	2161	RETVAL
1728		2162
1729	int set_re_delim(DB *db, int delim);	2163	int set_re_delim (DB *db, int delim)
1730	CODE:	2164	CODE:
1731	RETVAL = db->set_re_delim (db, delim);	2165	RETVAL = db->set_re_delim (db, delim);
1732	OUTPUT:	2166	OUTPUT:
1733	RETVAL	2167	RETVAL
1734		2168
…		…
1790		2224
1791		2225
1792	MODULE = BDB PACKAGE = BDB::Txn	2226	MODULE = BDB PACKAGE = BDB::Txn
1793		2227
1794	void	2228	void
1795	DESTROY (DB_TXN_ornull *txn)	2229	DESTROY (DB_TXN_ornuked *txn)
1796	CODE:	2230	CODE:
1797	if (txn)	2231	if (txn)
1798	txn->abort (txn);	2232	txn->abort (txn);
1799		2233
1800	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2234	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801	CODE:	2235	CODE:
1802	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2236	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803	OUTPUT:	2237	OUTPUT:
1804	RETVAL	2238	RETVAL
1805		2239
		2240	int failed (DB_TXN *txn)
		2241	CODE:
		2242	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2243	OUTPUT:
		2244	RETVAL
		2245
1806		2246
1807	MODULE = BDB PACKAGE = BDB::Cursor	2247	MODULE = BDB PACKAGE = BDB::Cursor
1808		2248
1809	void	2249	void
1810	DESTROY (DBC_ornull *dbc)	2250	DESTROY (DBC_ornuked *dbc)
1811	CODE:	2251	CODE:
1812	if (dbc)	2252	if (dbc)
1813	dbc->c_close (dbc);	2253	dbc->c_close (dbc);
1814		2254
		2255	#if DB_VERSION_MINOR >= 6
		2256
		2257	int set_priority (DBC *dbc, int priority)
		2258	CODE:
		2259	dbc->set_priority (dbc, priority);
		2260
		2261	#endif
		2262
1815	MODULE = BDB PACKAGE = BDB::Sequence	2263	MODULE = BDB PACKAGE = BDB::Sequence
1816		2264
1817	void	2265	void
1818	DESTROY (DB_SEQUENCE_ornull *seq)	2266	DESTROY (DB_SEQUENCE_ornuked *seq)
1819	CODE:	2267	CODE:
1820	if (seq)	2268	if (seq)
1821	seq->close (seq, 0);	2269	seq->close (seq, 0);
1822		2270
1823	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2271	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1842	CODE:	2290	CODE:
1843	RETVAL = seq->set_range (seq, min, max);	2291	RETVAL = seq->set_range (seq, min, max);
1844	OUTPUT:	2292	OUTPUT:
1845	RETVAL	2293	RETVAL
1846		2294
		2295

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