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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 1.42 by root, Wed Jul 9 12:39:56 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	{
369	free (req->buf1);	416	free (req->buf1);
370	free (req->buf2);	417	free (req->buf2);
		418	free (req->buf3);
371	Safefree (req);	419	Safefree (req);
372	}	420	}
373		421
374	static void *aio_proc (void *arg);	422	#ifdef USE_SOCKETS_AS_HANDLES
		423	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		424	#else
		425	# define TO_SOCKET(x) (x)
		426	#endif
		427
		428	static void
		429	create_respipe (void)
		430	{
		431	#ifdef _WIN32
		432	int arg; /* argg */
		433	#endif
		434	int old_readfd = respipe [0];
		435
		436	if (respipe [1] >= 0)
		437	respipe_close (TO_SOCKET (respipe [1]));
		438
		439	#ifdef _WIN32
		440	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		441	#else
		442	if (pipe (respipe))
		443	#endif
		444	croak ("unable to initialize result pipe");
		445
		446	if (old_readfd >= 0)
		447	{
		448	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		449	croak ("unable to initialize result pipe(2)");
		450
		451	respipe_close (respipe [0]);
		452	respipe [0] = old_readfd;
		453	}
		454
		455	#ifdef _WIN32
		456	arg = 1;
		457	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		458	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		459	#else
		460	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		461	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		462	#endif
		463	croak ("unable to initialize result pipe(3)");
		464
		465	respipe_osf [0] = TO_SOCKET (respipe [0]);
		466	respipe_osf [1] = TO_SOCKET (respipe [1]);
		467	}
		468
		469	X_THREAD_PROC (bdb_proc);
375		470
376	static void start_thread (void)	471	static void start_thread (void)
377	{	472	{
378	sigset_t fullsigset, oldsigset;
379	pthread_attr_t attr;
380
381	worker *wrk = calloc (1, sizeof (worker));	473	worker *wrk = calloc (1, sizeof (worker));
382		474
383	if (!wrk)	475	if (!wrk)
384	croak ("unable to allocate worker thread data");	476	croak ("unable to allocate worker thread data");
385		477
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);	478	X_LOCK (wrklock);
395	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	479	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398	{	480	{
399	wrk->prev = &wrk_first;	481	wrk->prev = &wrk_first;
400	wrk->next = wrk_first.next;	482	wrk->next = wrk_first.next;
401	wrk_first.next->prev = wrk;	483	wrk_first.next->prev = wrk;
402	wrk_first.next = wrk;	484	wrk_first.next = wrk;
403	++started;	485	++started;
404	}	486	}
405	else	487	else
406	free (wrk);	488	free (wrk);
407		489
408	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409	UNLOCK (wrklock);	490	X_UNLOCK (wrklock);
410	}	491	}
411		492
412	static void maybe_start_thread ()	493	static void maybe_start_thread (void)
413	{	494	{
414	if (get_nthreads () >= wanted)	495	if (get_nthreads () >= wanted)
415	return;	496	return;
416		497
417	/* todo: maybe use idle here, but might be less exact */	498	/* todo: maybe use idle here, but might be less exact */
…		…
419	return;	500	return;
420		501
421	start_thread ();	502	start_thread ();
422	}	503	}
423		504
424	static void req_send (aio_req req)	505	static void req_send (bdb_req req)
425	{	506	{
426	SV *wait_callback = 0;	507	SV *wait_callback = 0;
427		508
		509	if (on_next_submit)
		510	{
		511	dSP;
		512	SV *cb = sv_2mortal (on_next_submit);
		513
		514	on_next_submit = 0;
		515
		516	PUSHMARK (SP);
		517	PUTBACK;
		518	call_sv (cb, G_DISCARD | G_EVAL);
		519	}
		520
428	// synthesize callback if none given	521	// synthesize callback if none given
429	if (!SvOK (req->callback))	522	if (!req->callback)
430	{	523	{
		524	int count;
		525
431	dSP;	526	dSP;
432	PUSHMARK (SP);	527	PUSHMARK (SP);
433	PUTBACK;	528	PUTBACK;
434	int count = call_sv (prepare_cb, G_ARRAY);	529	count = call_sv (prepare_cb, G_ARRAY);
435	SPAGAIN;	530	SPAGAIN;
436		531
437	if (count != 2)	532	if (count != 2)
438	croak ("prepare callback must return exactly two values\n");	533	croak ("prepare callback must return exactly two values\n");
439		534
440	wait_callback = SvREFCNT_inc (POPs);	535	wait_callback = POPs;
441	SvREFCNT_dec (req->callback);	536	SvREFCNT_dec (req->callback);
442	req->callback = SvREFCNT_inc (POPs);	537	req->callback = SvREFCNT_inc (POPs);
443	}	538	}
444		539
445	++nreqs;	540	++nreqs;
446		541
447	LOCK (reqlock);	542	X_LOCK (reqlock);
448	++nready;	543	++nready;
449	reqq_push (&req_queue, req);	544	reqq_push (&req_queue, req);
450	pthread_cond_signal (&reqwait);	545	X_COND_SIGNAL (reqwait);
451	UNLOCK (reqlock);	546	X_UNLOCK (reqlock);
452		547
453	maybe_start_thread ();	548	maybe_start_thread ();
454		549
455	if (wait_callback)	550	if (wait_callback)
456	{	551	{
457	dSP;	552	dSP;
458	PUSHMARK (SP);	553	PUSHMARK (SP);
459	PUTBACK;	554	PUTBACK;
460	call_sv (wait_callback, G_DISCARD);	555	call_sv (wait_callback, G_DISCARD);
461	SvREFCNT_dec (wait_callback);
462	}	556	}
463	}	557	}
464		558
465	static void end_thread (void)	559	static void end_thread (void)
466	{	560	{
467	aio_req req;	561	bdb_req req;
468		562
469	Newz (0, req, 1, aio_cb);	563	Newz (0, req, 1, bdb_cb);
470		564
471	req->type = REQ_QUIT;	565	req->type = REQ_QUIT;
472	req->pri = PRI_MAX + PRI_BIAS;	566	req->pri = PRI_MAX + PRI_BIAS;
473		567
474	LOCK (reqlock);	568	X_LOCK (reqlock);
475	reqq_push (&req_queue, req);	569	reqq_push (&req_queue, req);
476	pthread_cond_signal (&reqwait);	570	X_COND_SIGNAL (reqwait);
477	UNLOCK (reqlock);	571	X_UNLOCK (reqlock);
478		572
479	LOCK (wrklock);	573	X_LOCK (wrklock);
480	--started;	574	--started;
481	UNLOCK (wrklock);	575	X_UNLOCK (wrklock);
482	}	576	}
483		577
484	static void set_max_idle (int nthreads)	578	static void set_max_idle (int nthreads)
485	{	579	{
486	if (WORDACCESS_UNSAFE) LOCK (reqlock);	580	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487	max_idle = nthreads <= 0 ? 1 : nthreads;	581	max_idle = nthreads <= 0 ? 1 : nthreads;
488	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	582	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489	}	583	}
490		584
491	static void min_parallel (int nthreads)	585	static void min_parallel (int nthreads)
492	{	586	{
493	if (wanted < nthreads)	587	if (wanted < nthreads)
…		…
501		595
502	while (started > wanted)	596	while (started > wanted)
503	end_thread ();	597	end_thread ();
504	}	598	}
505		599
506	static void poll_wait ()	600	static void poll_wait (void)
507	{	601	{
508	fd_set rfd;	602	fd_set rfd;
509		603
510	while (nreqs)	604	while (nreqs)
511	{	605	{
512	int size;	606	int size;
513	if (WORDACCESS_UNSAFE) LOCK (reslock);	607	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514	size = res_queue.size;	608	size = res_queue.size;
515	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	609	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516		610
517	if (size)	611	if (size)
518	return;	612	return;
519		613
520	maybe_start_thread ();	614	maybe_start_thread ();
521		615
522	FD_ZERO(&rfd);	616	FD_ZERO (&rfd);
523	FD_SET(respipe [0], &rfd);	617	FD_SET (respipe [0], &rfd);
524		618
525	select (respipe [0] + 1, &rfd, 0, 0, 0);	619	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526	}	620	}
527	}	621	}
528		622
529	static int poll_cb ()	623	static int poll_cb (void)
530	{	624	{
531	dSP;	625	dSP;
532	int count = 0;	626	int count = 0;
533	int maxreqs = max_poll_reqs;	627	int maxreqs = max_poll_reqs;
534	int do_croak = 0;	628	int do_croak = 0;
535	struct timeval tv_start, tv_now;	629	struct timeval tv_start, tv_now;
536	aio_req req;	630	bdb_req req;
537		631
538	if (max_poll_time)	632	if (max_poll_time)
539	gettimeofday (&tv_start, 0);	633	gettimeofday (&tv_start, 0);
540		634
541	for (;;)	635	for (;;)
542	{	636	{
543	for (;;)	637	for (;;)
544	{	638	{
545	maybe_start_thread ();	639	maybe_start_thread ();
546		640
547	LOCK (reslock);	641	X_LOCK (reslock);
548	req = reqq_shift (&res_queue);	642	req = reqq_shift (&res_queue);
549		643
550	if (req)	644	if (req)
551	{	645	{
552	--npending;	646	--npending;
553		647
554	if (!res_queue.size)	648	if (!res_queue.size)
555	{	649	{
556	/* read any signals sent by the worker threads */	650	/* read any signals sent by the worker threads */
557	char buf [4];	651	char buf [4];
558	while (read (respipe [0], buf, 4) == 4)	652	while (respipe_read (respipe [0], buf, 4) == 4)
559	;	653	;
560	}	654	}
561	}	655	}
562		656
563	UNLOCK (reslock);	657	X_UNLOCK (reslock);
564		658
565	if (!req)	659	if (!req)
566	break;	660	break;
567		661
568	--nreqs;	662	--nreqs;
…		…
598	}	692	}
599		693
600	return count;	694	return count;
601	}	695	}
602		696
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	/*****************************************************************************/	697	/*****************************************************************************/
616		698
617	static void *aio_proc (void *thr_arg)	699	X_THREAD_PROC (bdb_proc)
618	{	700	{
619	aio_req req;	701	bdb_req req;
620	struct timespec ts;	702	struct timespec ts;
621	worker *self = (worker *)thr_arg;	703	worker *self = (worker *)thr_arg;
622		704
623	/* try to distribute timeouts somewhat evenly */	705	/* try to distribute timeouts somewhat evenly */
624	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	706	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625	* (1000000000UL / 1024UL);
626		707
627	for (;;)	708	for (;;)
628	{	709	{
629	ts.tv_sec = time (0) + IDLE_TIMEOUT;	710	ts.tv_sec = time (0) + IDLE_TIMEOUT;
630		711
631	LOCK (reqlock);	712	X_LOCK (reqlock);
632		713
633	for (;;)	714	for (;;)
634	{	715	{
635	self->req = req = reqq_shift (&req_queue);	716	self->req = req = reqq_shift (&req_queue);
636		717
637	if (req)	718	if (req)
638	break;	719	break;
639		720
640	++idle;	721	++idle;
641		722
642	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	723	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643	== ETIMEDOUT)	724	== ETIMEDOUT)
644	{	725	{
645	if (idle > max_idle)	726	if (idle > max_idle)
646	{	727	{
647	--idle;	728	--idle;
648	UNLOCK (reqlock);	729	X_UNLOCK (reqlock);
649	LOCK (wrklock);	730	X_LOCK (wrklock);
650	--started;	731	--started;
651	UNLOCK (wrklock);	732	X_UNLOCK (wrklock);
652	goto quit;	733	goto quit;
653	}	734	}
654		735
655	/* we are allowed to idle, so do so without any timeout */	736	/* we are allowed to idle, so do so without any timeout */
656	pthread_cond_wait (&reqwait, &reqlock);	737	X_COND_WAIT (reqwait, reqlock);
657	ts.tv_sec = time (0) + IDLE_TIMEOUT;	738	ts.tv_sec = time (0) + IDLE_TIMEOUT;
658	}	739	}
659		740
660	--idle;	741	--idle;
661	}	742	}
662		743
663	--nready;	744	--nready;
664		745
665	UNLOCK (reqlock);	746	X_UNLOCK (reqlock);
666		747
667	switch (req->type)	748	switch (req->type)
668	{	749	{
669	case REQ_QUIT:	750	case REQ_QUIT:
		751	req->result = ENOSYS;
670	goto quit;	752	goto quit;
671		753
672	case REQ_ENV_OPEN:	754	case REQ_ENV_OPEN:
673	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	755	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674	break;	756	break;
…		…
691		773
692	case REQ_ENV_MEMP_TRICKLE:	774	case REQ_ENV_MEMP_TRICKLE:
693	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	775	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
694	break;	776	break;
695		777
		778	case REQ_ENV_DBREMOVE:
		779	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		780	break;
		781
		782	case REQ_ENV_DBRENAME:
		783	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		784	break;
		785
696	case REQ_DB_OPEN:	786	case REQ_DB_OPEN:
697	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	787	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
698	break;	788	break;
699		789
700	case REQ_DB_CLOSE:	790	case REQ_DB_CLOSE:
…		…
707		797
708	case REQ_DB_SYNC:	798	case REQ_DB_SYNC:
709	req->result = req->db->sync (req->db, req->uint1);	799	req->result = req->db->sync (req->db, req->uint1);
710	break;	800	break;
711		801
		802	case REQ_DB_UPGRADE:
		803	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		804	break;
		805
712	case REQ_DB_PUT:	806	case REQ_DB_PUT:
713	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	807	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714	break;	808	break;
715		809
716	case REQ_DB_GET:	810	case REQ_DB_GET:
…		…
733	req->result = req->txn->commit (req->txn, req->uint1);	827	req->result = req->txn->commit (req->txn, req->uint1);
734	break;	828	break;
735		829
736	case REQ_TXN_ABORT:	830	case REQ_TXN_ABORT:
737	req->result = req->txn->abort (req->txn);	831	req->result = req->txn->abort (req->txn);
		832	break;
		833
		834	case REQ_TXN_FINISH:
		835	if (req->txn->flags & TXN_DEADLOCK)
		836	{
		837	req->result = req->txn->abort (req->txn);
		838	if (!req->result)
		839	req->result = DB_LOCK_DEADLOCK;
		840	}
		841	else
		842	req->result = req->txn->commit (req->txn, req->uint1);
738	break;	843	break;
739		844
740	case REQ_C_CLOSE:	845	case REQ_C_CLOSE:
741	req->result = req->dbc->c_close (req->dbc);	846	req->result = req->dbc->c_close (req->dbc);
742	break;	847	break;
…		…
784	default:	889	default:
785	req->result = ENOSYS;	890	req->result = ENOSYS;
786	break;	891	break;
787	}	892	}
788		893
		894	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		895	req->txn->flags |= TXN_DEADLOCK;
		896
789	LOCK (reslock);	897	X_LOCK (reslock);
790		898
791	++npending;	899	++npending;
792		900
793	if (!reqq_push (&res_queue, req))	901	if (!reqq_push (&res_queue, req))
794	/* write a dummy byte to the pipe so fh becomes ready */	902	/* write a dummy byte to the pipe so fh becomes ready */
795	write (respipe [1], &respipe, 1);	903	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796		904
797	self->req = 0;	905	self->req = 0;
798	worker_clear (self);	906	worker_clear (self);
799		907
800	UNLOCK (reslock);	908	X_UNLOCK (reslock);
801	}	909	}
802		910
803	quit:	911	quit:
804	LOCK (wrklock);	912	X_LOCK (wrklock);
805	worker_free (self);	913	worker_free (self);
806	UNLOCK (wrklock);	914	X_UNLOCK (wrklock);
807		915
808	return 0;	916	return 0;
809	}	917	}
810		918
811	/*****************************************************************************/	919	/*****************************************************************************/
812		920
813	static void atfork_prepare (void)	921	static void atfork_prepare (void)
814	{	922	{
815	LOCK (wrklock);	923	X_LOCK (wrklock);
816	LOCK (reqlock);	924	X_LOCK (reqlock);
817	LOCK (reslock);	925	X_LOCK (reslock);
818	}	926	}
819		927
820	static void atfork_parent (void)	928	static void atfork_parent (void)
821	{	929	{
822	UNLOCK (reslock);	930	X_UNLOCK (reslock);
823	UNLOCK (reqlock);	931	X_UNLOCK (reqlock);
824	UNLOCK (wrklock);	932	X_UNLOCK (wrklock);
825	}	933	}
826		934
827	static void atfork_child (void)	935	static void atfork_child (void)
828	{	936	{
829	aio_req prv;	937	bdb_req prv;
830		938
831	while (prv = reqq_shift (&req_queue))	939	while (prv = reqq_shift (&req_queue))
832	req_free (prv);	940	req_free (prv);
833		941
834	while (prv = reqq_shift (&res_queue))	942	while (prv = reqq_shift (&res_queue))
…		…
849	idle = 0;	957	idle = 0;
850	nreqs = 0;	958	nreqs = 0;
851	nready = 0;	959	nready = 0;
852	npending = 0;	960	npending = 0;
853		961
854	close (respipe [0]);
855	close (respipe [1]);
856	create_pipe ();	962	create_respipe ();
857		963
858	atfork_parent ();	964	atfork_parent ();
859	}	965	}
860		966
861	#define dREQ(reqtype) \	967	#define dREQ(reqtype) \
862	aio_req req; \	968	bdb_req req; \
863	int req_pri = next_pri; \	969	int req_pri = next_pri; \
864	next_pri = DEFAULT_PRI + PRI_BIAS; \	970	next_pri = DEFAULT_PRI + PRI_BIAS; \
865	\	971	\
866	if (SvOK (callback) && !SvROK (callback)) \	972	if (callback && SvOK (callback)) \
867	croak ("callback must be undef or of reference type"); \	973	croak ("callback has illegal type or extra arguments"); \
868	\	974	\
869	Newz (0, req, 1, aio_cb); \	975	Newz (0, req, 1, bdb_cb); \
870	if (!req) \	976	if (!req) \
871	croak ("out of memory during aio_req allocation"); \	977	croak ("out of memory during bdb_req allocation"); \
872	\	978	\
873	req->callback = newSVsv (callback); \	979	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
874	req->type = (reqtype); \	980	req->type = (reqtype); \
875	req->pri = req_pri	981	req->pri = req_pri
876		982
877	#define REQ_SEND \	983	#define REQ_SEND \
878	req_send (req)	984	req_send (req)
879		985
880	#define SvPTR(var, arg, type, class, nullok) \	986	#define SvPTR(var, arg, type, class, nullok) \
881	if (!SvOK (arg)) \	987	if (!SvOK (arg)) \
882	{ \	988	{ \
883	if (!nullok) \	989	if (nullok != 1) \
884	croak (# var " must be a " # class " object, not undef"); \	990	croak (# var " must be a " # class " object, not undef"); \
885	\	991	\
886	(var) = 0; \	992	(var) = 0; \
887	} \	993	} \
888	else if (sv_derived_from ((arg), # class)) \	994	else if (sv_derived_from ((arg), # class)) \
889	{ \	995	{ \
890	IV tmp = SvIV ((SV*) SvRV (arg)); \	996	IV tmp = SvIV ((SV*) SvRV (arg)); \
891	(var) = INT2PTR (type, tmp); \	997	(var) = INT2PTR (type, tmp); \
892	if (!var) \	998	if (!var && nullok != 2) \
893	croak (# var " is not a valid " # class " object anymore"); \	999	croak (# var " is not a valid " # class " object anymore"); \
894	} \	1000	} \
895	else \	1001	else \
896	croak (# var " is not of type " # class); \	1002	croak (# var " is not of type " # class);
897	\
898		1003
899	static void	1004	static void
900	ptr_nuke (SV *sv)	1005	ptr_nuke (SV *sv)
901	{	1006	{
902	assert (SvROK (sv));	1007	assert (SvROK (sv));
903	sv_setiv (SvRV (sv), 0);	1008	sv_setiv (SvRV (sv), 0);
904	}	1009	}
		1010
		1011	static int
		1012	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1013	{
		1014	if (*mg->mg_ptr == '!') // should always be the case
		1015	if (-30999 <= errno && errno <= -30800)
		1016	{
		1017	sv_setnv (sv, (NV)errno);
		1018	sv_setpv (sv, db_strerror (errno));
		1019	SvNOK_on (sv); /* what a wonderful hack! */
		1020	// ^^^ copied from perl sources
		1021	return 0;
		1022	}
		1023
		1024	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1025	}
		1026
		1027	static MGVTBL vtbl_errno;
		1028
		1029	// this wonderful hack :( patches perl's $! variable to support our errno values
		1030	static void
		1031	patch_errno (void)
		1032	{
		1033	SV *sv;
		1034	MAGIC *mg;
		1035
		1036	if (!(sv = get_sv ("!", 1)))
		1037	return;
		1038
		1039	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1040	return;
		1041
		1042	if (mg->mg_virtual != &PL_vtbl_sv)
		1043	return;
		1044
		1045	vtbl_errno = PL_vtbl_sv;
		1046	vtbl_errno.svt_get = errno_get;
		1047	mg->mg_virtual = &vtbl_errno;
		1048	}
		1049
		1050	#if __GNUC__ >= 4
		1051	# define noinline __attribute__ ((noinline))
		1052	#else
		1053	# define noinline
		1054	#endif
		1055
		1056	static noinline SV *
		1057	pop_callback (I32 *ritems, SV *sv)
		1058	{
		1059	if (SvROK (sv))
		1060	{
		1061	HV *st;
		1062	GV *gvp;
		1063	CV *cv;
		1064	const char *name;
		1065
		1066	/* forgive me */
		1067	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1068	&& (st = SvSTASH (SvRV (sv)))
		1069	&& (name = HvNAME_get (st))
		1070	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1071	return 0;
		1072
		1073	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1074	{
		1075	--*ritems;
		1076	return (SV *)cv;
		1077	}
		1078	}
		1079
		1080	return 0;
		1081	}
		1082
		1083	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
905		1084
906	MODULE = BDB PACKAGE = BDB	1085	MODULE = BDB PACKAGE = BDB
907		1086
908	PROTOTYPES: ENABLE	1087	PROTOTYPES: ENABLE
909		1088
…		…
925	const_iv (INIT_TXN)	1104	const_iv (INIT_TXN)
926	const_iv (RECOVER)	1105	const_iv (RECOVER)
927	const_iv (INIT_TXN)	1106	const_iv (INIT_TXN)
928	const_iv (RECOVER_FATAL)	1107	const_iv (RECOVER_FATAL)
929	const_iv (CREATE)	1108	const_iv (CREATE)
		1109	const_iv (RDONLY)
930	const_iv (USE_ENVIRON)	1110	const_iv (USE_ENVIRON)
931	const_iv (USE_ENVIRON_ROOT)	1111	const_iv (USE_ENVIRON_ROOT)
932	const_iv (LOCKDOWN)	1112	const_iv (LOCKDOWN)
933	const_iv (PRIVATE)	1113	const_iv (PRIVATE)
934	const_iv (REGISTER)	1114	const_iv (REGISTER)
935	const_iv (SYSTEM_MEM)	1115	const_iv (SYSTEM_MEM)
936	const_iv (AUTO_COMMIT)	1116	const_iv (AUTO_COMMIT)
937	const_iv (CDB_ALLDB)	1117	const_iv (CDB_ALLDB)
938	const_iv (DIRECT_DB)	1118	const_iv (DIRECT_DB)
939	const_iv (DIRECT_LOG)
940	const_iv (DSYNC_DB)	1119	const_iv (DSYNC_DB)
941	const_iv (DSYNC_LOG)
942	const_iv (LOG_AUTOREMOVE)
943	const_iv (LOG_INMEMORY)
944	const_iv (NOLOCKING)	1120	const_iv (NOLOCKING)
945	const_iv (MULTIVERSION)
946	const_iv (NOMMAP)	1121	const_iv (NOMMAP)
947	const_iv (NOPANIC)	1122	const_iv (NOPANIC)
948	const_iv (OVERWRITE)	1123	const_iv (OVERWRITE)
949	const_iv (PANIC_ENVIRONMENT)	1124	const_iv (PANIC_ENVIRONMENT)
950	const_iv (REGION_INIT)	1125	const_iv (REGION_INIT)
951	const_iv (TIME_NOTGRANTED)	1126	const_iv (TIME_NOTGRANTED)
952	const_iv (TXN_NOSYNC)	1127	const_iv (TXN_NOSYNC)
953	const_iv (TXN_SNAPSHOT)	1128	const_iv (TXN_NOT_DURABLE)
954	const_iv (TXN_WRITE_NOSYNC)	1129	const_iv (TXN_WRITE_NOSYNC)
955	const_iv (WRITECURSOR)	1130	const_iv (WRITECURSOR)
956	const_iv (YIELDCPU)	1131	const_iv (YIELDCPU)
957	const_iv (ENCRYPT_AES)	1132	const_iv (ENCRYPT_AES)
958	const_iv (XA_CREATE)	1133	const_iv (XA_CREATE)
…		…
966	const_iv (READ_UNCOMMITTED)	1141	const_iv (READ_UNCOMMITTED)
967	const_iv (TRUNCATE)	1142	const_iv (TRUNCATE)
968	const_iv (NOSYNC)	1143	const_iv (NOSYNC)
969	const_iv (CHKSUM)	1144	const_iv (CHKSUM)
970	const_iv (ENCRYPT)	1145	const_iv (ENCRYPT)
971	const_iv (TXN_NOT_DURABLE)
972	const_iv (DUP)	1146	const_iv (DUP)
973	const_iv (DUPSORT)	1147	const_iv (DUPSORT)
974	const_iv (RECNUM)	1148	const_iv (RECNUM)
975	const_iv (RENUMBER)	1149	const_iv (RENUMBER)
976	const_iv (REVSPLITOFF)	1150	const_iv (REVSPLITOFF)
…		…
981	const_iv (GET_BOTH_RANGE)	1155	const_iv (GET_BOTH_RANGE)
982	//const_iv (SET_RECNO)	1156	//const_iv (SET_RECNO)
983	//const_iv (MULTIPLE)	1157	//const_iv (MULTIPLE)
984	const_iv (SNAPSHOT)	1158	const_iv (SNAPSHOT)
985	const_iv (JOIN_ITEM)	1159	const_iv (JOIN_ITEM)
		1160	const_iv (JOIN_NOSORT)
986	const_iv (RMW)	1161	const_iv (RMW)
987		1162
988	const_iv (NOTFOUND)	1163	const_iv (NOTFOUND)
989	const_iv (KEYEMPTY)	1164	const_iv (KEYEMPTY)
990	const_iv (LOCK_DEADLOCK)	1165	const_iv (LOCK_DEADLOCK)
…		…
1001	const_iv (APPEND)	1176	const_iv (APPEND)
1002	const_iv (NODUPDATA)	1177	const_iv (NODUPDATA)
1003	const_iv (NOOVERWRITE)	1178	const_iv (NOOVERWRITE)
1004		1179
1005	const_iv (TXN_NOWAIT)	1180	const_iv (TXN_NOWAIT)
1006	const_iv (TXN_SNAPSHOT)
1007	const_iv (TXN_SYNC)	1181	const_iv (TXN_SYNC)
1008		1182
1009	const_iv (SET_LOCK_TIMEOUT)	1183	const_iv (SET_LOCK_TIMEOUT)
1010	const_iv (SET_TXN_TIMEOUT)	1184	const_iv (SET_TXN_TIMEOUT)
1011		1185
1012	const_iv (JOIN_ITEM)
1013	const_iv (FIRST)	1186	const_iv (FIRST)
1014	const_iv (NEXT)	1187	const_iv (NEXT)
1015	const_iv (NEXT_DUP)	1188	const_iv (NEXT_DUP)
1016	const_iv (NEXT_NODUP)	1189	const_iv (NEXT_NODUP)
1017	const_iv (PREV)	1190	const_iv (PREV)
…		…
1039	const_iv (LOCK_YOUNGEST)	1212	const_iv (LOCK_YOUNGEST)
1040		1213
1041	const_iv (SEQ_DEC)	1214	const_iv (SEQ_DEC)
1042	const_iv (SEQ_INC)	1215	const_iv (SEQ_INC)
1043	const_iv (SEQ_WRAP)	1216	const_iv (SEQ_WRAP)
		1217
		1218	const_iv (BUFFER_SMALL)
		1219	const_iv (DONOTINDEX)
		1220	const_iv (KEYEMPTY )
		1221	const_iv (KEYEXIST )
		1222	const_iv (LOCK_DEADLOCK)
		1223	const_iv (LOCK_NOTGRANTED)
		1224	const_iv (LOG_BUFFER_FULL)
		1225	const_iv (NOSERVER)
		1226	const_iv (NOSERVER_HOME)
		1227	const_iv (NOSERVER_ID)
		1228	const_iv (NOTFOUND)
		1229	const_iv (PAGE_NOTFOUND)
		1230	const_iv (REP_DUPMASTER)
		1231	const_iv (REP_HANDLE_DEAD)
		1232	const_iv (REP_HOLDELECTION)
		1233	const_iv (REP_IGNORE)
		1234	const_iv (REP_ISPERM)
		1235	const_iv (REP_JOIN_FAILURE)
		1236	const_iv (REP_LOCKOUT)
		1237	const_iv (REP_NEWMASTER)
		1238	const_iv (REP_NEWSITE)
		1239	const_iv (REP_NOTPERM)
		1240	const_iv (REP_UNAVAIL)
		1241	const_iv (RUNRECOVERY)
		1242	const_iv (SECONDARY_BAD)
		1243	const_iv (VERIFY_BAD)
		1244	const_iv (VERSION_MISMATCH)
		1245
		1246	const_iv (VERB_DEADLOCK)
		1247	const_iv (VERB_RECOVERY)
		1248	const_iv (VERB_REGISTER)
		1249	const_iv (VERB_REPLICATION)
		1250	const_iv (VERB_WAITSFOR)
		1251
		1252	const_iv (VERSION_MAJOR)
		1253	const_iv (VERSION_MINOR)
		1254	const_iv (VERSION_PATCH)
		1255	#if DB_VERSION_MINOR >= 5
		1256	const_iv (MULTIVERSION)
		1257	const_iv (TXN_SNAPSHOT)
		1258	#endif
		1259	#if DB_VERSION_MINOR >= 6
		1260	const_iv (PREV_DUP)
		1261	const_iv (PRIORITY_UNCHANGED)
		1262	const_iv (PRIORITY_VERY_LOW)
		1263	const_iv (PRIORITY_LOW)
		1264	const_iv (PRIORITY_DEFAULT)
		1265	const_iv (PRIORITY_HIGH)
		1266	const_iv (PRIORITY_VERY_HIGH)
		1267	#endif
		1268	#if DB_VERSION_MINOR >= 7
		1269	const_iv (LOG_DIRECT)
		1270	const_iv (LOG_DSYNC)
		1271	const_iv (LOG_AUTO_REMOVE)
		1272	const_iv (LOG_IN_MEMORY)
		1273	const_iv (LOG_ZERO)
		1274	#else
		1275	const_iv (DIRECT_LOG)
		1276	const_iv (DSYNC_LOG)
		1277	const_iv (LOG_AUTOREMOVE)
		1278	const_iv (LOG_INMEMORY)
		1279	#endif
1044	};	1280	};
1045		1281
1046	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1282	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1283	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048		1284
1049	create_pipe ();	1285	{
		1286	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1287	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1288
		1289	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1290	}
		1291
		1292	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1293
		1294	create_respipe ();
		1295
1050	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1296	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1297	patch_errno ();
1051	}	1298	}
1052		1299
1053	void	1300	void
1054	max_poll_reqs (int nreqs)	1301	max_poll_reqs (int nreqs)
1055	PROTOTYPE: $	1302	PROTOTYPE: $
…		…
1174		1421
1175	int	1422	int
1176	nthreads ()	1423	nthreads ()
1177	PROTOTYPE:	1424	PROTOTYPE:
1178	CODE:	1425	CODE:
1179	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1426	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180	RETVAL = started;	1427	RETVAL = started;
1181	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1428	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182	OUTPUT:	1429	OUTPUT:
1183	RETVAL	1430	RETVAL
1184		1431
1185	void	1432	void
1186	set_sync_prepare (SV *cb)	1433	set_sync_prepare (SV *cb)
1187	PROTOTYPE: &	1434	PROTOTYPE: &
1188	CODE:	1435	CODE:
1189	SvREFCNT_dec (prepare_cb);	1436	SvREFCNT_dec (prepare_cb);
1190	prepare_cb = newSVsv (cb);	1437	prepare_cb = newSVsv (cb);
1191		1438
		1439	char *
		1440	strerror (int errorno = errno)
		1441	PROTOTYPE: ;$
		1442	CODE:
		1443	RETVAL = db_strerror (errorno);
		1444	OUTPUT:
		1445	RETVAL
		1446
		1447	void _on_next_submit (SV *cb)
		1448	CODE:
		1449	SvREFCNT_dec (on_next_submit);
		1450	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192		1451
1193	DB_ENV *	1452	DB_ENV *
1194	db_env_create (U32 env_flags = 0)	1453	db_env_create (U32 env_flags = 0)
1195	CODE:	1454	CODE:
1196	{	1455	{
1197	errno = db_env_create (&RETVAL, env_flags);	1456	errno = db_env_create (&RETVAL, env_flags);
1198	if (errno)	1457	if (errno)
1199	croak ("db_env_create: %s", db_strerror (errno));	1458	croak ("db_env_create: %s", db_strerror (errno));
		1459
		1460	if (0)
		1461	{
		1462	RETVAL->set_errcall (RETVAL, debug_errcall);
		1463	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1464	}
1200	}	1465	}
1201	OUTPUT:	1466	OUTPUT:
1202	RETVAL	1467	RETVAL
1203		1468
1204	void	1469	void
1205	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1470	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1471	PREINIT:
		1472	CALLBACK
1206	CODE:	1473	CODE:
1207	{	1474	{
1208	env->set_thread_count (env, get_nthreads ());
1209
1210	dREQ (REQ_ENV_OPEN);	1475	dREQ (REQ_ENV_OPEN);
1211	req->env = env;	1476	req->env = env;
1212	req->uint1 = open_flags | DB_THREAD;	1477	req->uint1 = open_flags | DB_THREAD;
1213	req->int1 = mode;	1478	req->int1 = mode;
1214	req->buf1 = strdup_ornull (db_home);	1479	req->buf1 = strdup_ornull (db_home);
1215	REQ_SEND;	1480	REQ_SEND;
1216	}	1481	}
1217		1482
1218	void	1483	void
1219	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1484	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1485	PREINIT:
		1486	CALLBACK
1220	CODE:	1487	CODE:
1221	{	1488	{
1222	dREQ (REQ_ENV_CLOSE);	1489	dREQ (REQ_ENV_CLOSE);
1223	req->env = env;	1490	req->env = env;
1224	req->uint1 = flags;	1491	req->uint1 = flags;
1225	REQ_SEND;	1492	REQ_SEND;
1226	ptr_nuke (ST (0));	1493	ptr_nuke (ST (0));
1227	}	1494	}
1228		1495
1229	void	1496	void
1230	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1497	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1498	PREINIT:
		1499	CALLBACK
1231	CODE:	1500	CODE:
1232	{	1501	{
1233	dREQ (REQ_ENV_TXN_CHECKPOINT);	1502	dREQ (REQ_ENV_TXN_CHECKPOINT);
1234	req->env = env;	1503	req->env = env;
1235	req->uint1 = kbyte;	1504	req->uint1 = kbyte;
…		…
1237	req->uint2 = flags;	1506	req->uint2 = flags;
1238	REQ_SEND;	1507	REQ_SEND;
1239	}	1508	}
1240		1509
1241	void	1510	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)	1511	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1512	PREINIT:
		1513	CALLBACK
1243	CODE:	1514	CODE:
1244	{	1515	{
1245	dREQ (REQ_ENV_LOCK_DETECT);	1516	dREQ (REQ_ENV_LOCK_DETECT);
1246	req->env = env;	1517	req->env = env;
1247	req->uint1 = flags;	1518	req->uint1 = flags;
1248	req->uint2 = atype;	1519	req->uint2 = atype;
		1520	/* req->int2 = 0; dummy */
1249	REQ_SEND;	1521	REQ_SEND;
1250	}	1522	}
1251		1523
1252	void	1524	void
1253	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1525	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1526	PREINIT:
		1527	CALLBACK
1254	CODE:	1528	CODE:
1255	{	1529	{
1256	dREQ (REQ_ENV_MEMP_SYNC);	1530	dREQ (REQ_ENV_MEMP_SYNC);
1257	req->env = env;	1531	req->env = env;
1258	REQ_SEND;	1532	REQ_SEND;
1259	}	1533	}
1260		1534
1261	void	1535	void
1262	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1536	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1263	CODE:	1539	CODE:
1264	{	1540	{
1265	dREQ (REQ_ENV_MEMP_TRICKLE);	1541	dREQ (REQ_ENV_MEMP_TRICKLE);
1266	req->env = env;	1542	req->env = env;
1267	req->int1 = percent;	1543	req->int1 = percent;
1268	REQ_SEND;	1544	REQ_SEND;
1269	}	1545	}
1270		1546
		1547	void
		1548	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1549	PREINIT:
		1550	CALLBACK
		1551	CODE:
		1552	{
		1553	dREQ (REQ_ENV_DBREMOVE);
		1554	req->env = env;
		1555	req->buf1 = strdup_ornull (file);
		1556	req->buf2 = strdup_ornull (database);
		1557	req->uint1 = flags;
		1558	REQ_SEND;
		1559	}
		1560
		1561	void
		1562	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)
		1563	PREINIT:
		1564	CALLBACK
		1565	CODE:
		1566	{
		1567	dREQ (REQ_ENV_DBRENAME);
		1568	req->env = env;
		1569	req->buf1 = strdup_ornull (file);
		1570	req->buf2 = strdup_ornull (database);
		1571	req->buf3 = strdup_ornull (newname);
		1572	req->uint1 = flags;
		1573	REQ_SEND;
		1574	}
1271		1575
1272	DB *	1576	DB *
1273	db_create (DB_ENV *env = 0, U32 flags = 0)	1577	db_create (DB_ENV *env = 0, U32 flags = 0)
1274	CODE:	1578	CODE:
1275	{	1579	{
…		…
1282	}	1586	}
1283	OUTPUT:	1587	OUTPUT:
1284	RETVAL	1588	RETVAL
1285		1589
1286	void	1590	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)	1591	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
1288	CODE:	1594	CODE:
1289	{	1595	{
1290	dREQ (REQ_DB_OPEN);	1596	dREQ (REQ_DB_OPEN);
1291	req->db = db;	1597	req->db = db;
1292	req->txn = txnid;	1598	req->txn = txnid;
…		…
1297	req->int2 = mode;	1603	req->int2 = mode;
1298	REQ_SEND;	1604	REQ_SEND;
1299	}	1605	}
1300		1606
1301	void	1607	void
1302	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1608	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1609	PREINIT:
		1610	CALLBACK
1303	CODE:	1611	CODE:
1304	{	1612	{
1305	dREQ (REQ_DB_CLOSE);	1613	dREQ (REQ_DB_CLOSE);
1306	req->db = db;	1614	req->db = db;
1307	req->uint1 = flags;	1615	req->uint1 = flags;
…		…
1309	REQ_SEND;	1617	REQ_SEND;
1310	ptr_nuke (ST (0));	1618	ptr_nuke (ST (0));
1311	}	1619	}
1312		1620
1313	void	1621	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)	1622	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)
		1623	PREINIT:
		1624	CALLBACK
1315	CODE:	1625	CODE:
1316	{	1626	{
1317	dREQ (REQ_DB_COMPACT);	1627	dREQ (REQ_DB_COMPACT);
1318	req->db = db;	1628	req->db = db;
1319	req->txn = txn;	1629	req->txn = txn;
…		…
1322	req->uint1 = flags;	1632	req->uint1 = flags;
1323	REQ_SEND;	1633	REQ_SEND;
1324	}	1634	}
1325		1635
1326	void	1636	void
1327	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1637	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1638	PREINIT:
		1639	CALLBACK
1328	CODE:	1640	CODE:
1329	{	1641	{
1330	dREQ (REQ_DB_SYNC);	1642	dREQ (REQ_DB_SYNC);
1331	req->db = db;	1643	req->db = db;
1332	req->uint1 = flags;	1644	req->uint1 = flags;
1333	REQ_SEND;	1645	REQ_SEND;
1334	}	1646	}
1335		1647
1336	void	1648	void
		1649	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1650	PREINIT:
		1651	CALLBACK
		1652	CODE:
		1653	{
		1654	dREQ (REQ_DB_SYNC);
		1655	req->db = db;
		1656	req->buf1 = strdup (file);
		1657	req->uint1 = flags;
		1658	REQ_SEND;
		1659	}
		1660
		1661	void
1337	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1662	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1663	PREINIT:
		1664	CALLBACK
1338	CODE:	1665	CODE:
1339	{	1666	{
1340	dREQ (REQ_DB_KEY_RANGE);	1667	dREQ (REQ_DB_KEY_RANGE);
1341	req->db = db;	1668	req->db = db;
1342	req->txn = txn;	1669	req->txn = txn;
…		…
1345	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1672	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1346	REQ_SEND;	1673	REQ_SEND;
1347	}	1674	}
1348		1675
1349	void	1676	void
1350	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1677	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1678	PREINIT:
		1679	CALLBACK
1351	CODE:	1680	CODE:
1352	{	1681	{
1353	dREQ (REQ_DB_PUT);	1682	dREQ (REQ_DB_PUT);
1354	req->db = db;	1683	req->db = db;
1355	req->txn = txn;	1684	req->txn = txn;
…		…
1358	req->uint1 = flags;	1687	req->uint1 = flags;
1359	REQ_SEND;	1688	REQ_SEND;
1360	}	1689	}
1361		1690
1362	void	1691	void
1363	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1692	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
1364	CODE:	1695	CODE:
		1696	if (SvREADONLY (data))
		1697	croak ("can't modify read-only data scalar in db_get");
1365	{	1698	{
1366	dREQ (REQ_DB_GET);	1699	dREQ (REQ_DB_GET);
1367	req->db = db;	1700	req->db = db;
1368	req->txn = txn;	1701	req->txn = txn;
1369	req->uint1 = flags;	1702	req->uint1 = flags;
…		…
1372	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1705	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1373	REQ_SEND;	1706	REQ_SEND;
1374	}	1707	}
1375		1708
1376	void	1709	void
1377	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1710	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1711	PREINIT:
		1712	CALLBACK
1378	CODE:	1713	CODE:
		1714	if (SvREADONLY (data))
		1715	croak ("can't modify read-only data scalar in db_pget");
1379	{	1716	{
1380	dREQ (REQ_DB_PGET);	1717	dREQ (REQ_DB_PGET);
1381	req->db = db;	1718	req->db = db;
1382	req->txn = txn;	1719	req->txn = txn;
1383	req->uint1 = flags;	1720	req->uint1 = flags;
…		…
1387	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1724	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1388	REQ_SEND;	1725	REQ_SEND;
1389	}	1726	}
1390		1727
1391	void	1728	void
1392	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1729	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1730	PREINIT:
		1731	CALLBACK
1393	CODE:	1732	CODE:
1394	{	1733	{
1395	dREQ (REQ_DB_DEL);	1734	dREQ (REQ_DB_DEL);
1396	req->db = db;	1735	req->db = db;
1397	req->txn = txn;	1736	req->txn = txn;
…		…
1399	sv_to_dbt (&req->dbt1, key);	1738	sv_to_dbt (&req->dbt1, key);
1400	REQ_SEND;	1739	REQ_SEND;
1401	}	1740	}
1402		1741
1403	void	1742	void
1404	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1743	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1744	PREINIT:
		1745	CALLBACK
1405	CODE:	1746	CODE:
1406	{	1747	{
1407	dREQ (REQ_TXN_COMMIT);	1748	dREQ (REQ_TXN_COMMIT);
1408	req->txn = txn;	1749	req->txn = txn;
1409	req->uint1 = flags;	1750	req->uint1 = flags;
1410	REQ_SEND;	1751	REQ_SEND;
1411	ptr_nuke (ST (0));	1752	ptr_nuke (ST (0));
1412	}	1753	}
1413		1754
1414	void	1755	void
1415	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1756	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1757	PREINIT:
		1758	CALLBACK
1416	CODE:	1759	CODE:
1417	{	1760	{
1418	dREQ (REQ_TXN_ABORT);	1761	dREQ (REQ_TXN_ABORT);
1419	req->txn = txn;	1762	req->txn = txn;
1420	REQ_SEND;	1763	REQ_SEND;
1421	ptr_nuke (ST (0));	1764	ptr_nuke (ST (0));
1422	}	1765	}
1423		1766
1424	void	1767	void
		1768	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1769	PREINIT:
		1770	CALLBACK
		1771	CODE:
		1772	{
		1773	dREQ (REQ_TXN_FINISH);
		1774	req->txn = txn;
		1775	req->uint1 = flags;
		1776	REQ_SEND;
		1777	ptr_nuke (ST (0));
		1778	}
		1779
		1780	void
1425	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1781	db_c_close (DBC *dbc, SV *callback = 0)
		1782	PREINIT:
		1783	CALLBACK
1426	CODE:	1784	CODE:
1427	{	1785	{
1428	dREQ (REQ_C_CLOSE);	1786	dREQ (REQ_C_CLOSE);
1429	req->dbc = dbc;	1787	req->dbc = dbc;
1430	REQ_SEND;	1788	REQ_SEND;
1431	ptr_nuke (ST (0));	1789	ptr_nuke (ST (0));
1432	}	1790	}
1433		1791
1434	void	1792	void
1435	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1793	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1794	PREINIT:
		1795	CALLBACK
1436	CODE:	1796	CODE:
1437	{	1797	{
1438	dREQ (REQ_C_COUNT);	1798	dREQ (REQ_C_COUNT);
1439	req->dbc = dbc;	1799	req->dbc = dbc;
1440	req->sv1 = SvREFCNT_inc (count);	1800	req->sv1 = SvREFCNT_inc (count);
1441	REQ_SEND;	1801	REQ_SEND;
1442	}	1802	}
1443		1803
1444	void	1804	void
1445	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1805	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1806	PREINIT:
		1807	CALLBACK
1446	CODE:	1808	CODE:
1447	{	1809	{
1448	dREQ (REQ_C_PUT);	1810	dREQ (REQ_C_PUT);
1449	req->dbc = dbc;	1811	req->dbc = dbc;
1450	sv_to_dbt (&req->dbt1, key);	1812	sv_to_dbt (&req->dbt1, key);
…		…
1452	req->uint1 = flags;	1814	req->uint1 = flags;
1453	REQ_SEND;	1815	REQ_SEND;
1454	}	1816	}
1455		1817
1456	void	1818	void
1457	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1819	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
1458	CODE:	1822	CODE:
1459	{	1823	{
1460	dREQ (REQ_C_GET);	1824	dREQ (REQ_C_GET);
1461	req->dbc = dbc;	1825	req->dbc = dbc;
1462	req->uint1 = flags;	1826	req->uint1 = flags;
…		…
1477	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1841	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1478	REQ_SEND;	1842	REQ_SEND;
1479	}	1843	}
1480		1844
1481	void	1845	void
1482	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1846	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1483	CODE:	1849	CODE:
1484	{	1850	{
1485	dREQ (REQ_C_PGET);	1851	dREQ (REQ_C_PGET);
1486	req->dbc = dbc;	1852	req->dbc = dbc;
1487	req->uint1 = flags;	1853	req->uint1 = flags;
…		…
1505	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1871	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1506	REQ_SEND;	1872	REQ_SEND;
1507	}	1873	}
1508		1874
1509	void	1875	void
1510	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1876	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1877	PREINIT:
		1878	CALLBACK
1511	CODE:	1879	CODE:
1512	{	1880	{
1513	dREQ (REQ_C_DEL);	1881	dREQ (REQ_C_DEL);
1514	req->dbc = dbc;	1882	req->dbc = dbc;
1515	req->uint1 = flags;	1883	req->uint1 = flags;
1516	REQ_SEND;	1884	REQ_SEND;
1517	}	1885	}
1518		1886
1519		1887
1520	void	1888	void
1521	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1889	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1890	PREINIT:
		1891	CALLBACK
1522	CODE:	1892	CODE:
1523	{	1893	{
1524	dREQ (REQ_SEQ_OPEN);	1894	dREQ (REQ_SEQ_OPEN);
1525	req->seq = seq;	1895	req->seq = seq;
1526	req->txn = txnid;	1896	req->txn = txnid;
…		…
1528	sv_to_dbt (&req->dbt1, key);	1898	sv_to_dbt (&req->dbt1, key);
1529	REQ_SEND;	1899	REQ_SEND;
1530	}	1900	}
1531		1901
1532	void	1902	void
1533	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1903	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1904	PREINIT:
		1905	CALLBACK
1534	CODE:	1906	CODE:
1535	{	1907	{
1536	dREQ (REQ_SEQ_CLOSE);	1908	dREQ (REQ_SEQ_CLOSE);
1537	req->seq = seq;	1909	req->seq = seq;
1538	req->uint1 = flags;	1910	req->uint1 = flags;
1539	REQ_SEND;	1911	REQ_SEND;
1540	ptr_nuke (ST (0));	1912	ptr_nuke (ST (0));
1541	}	1913	}
1542		1914
1543	void	1915	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)	1916	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1917	PREINIT:
		1918	CALLBACK
1545	CODE:	1919	CODE:
1546	{	1920	{
1547	dREQ (REQ_SEQ_GET);	1921	dREQ (REQ_SEQ_GET);
1548	req->seq = seq;	1922	req->seq = seq;
1549	req->txn = txnid;	1923	req->txn = txnid;
…		…
1552	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1926	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1553	REQ_SEND;	1927	REQ_SEND;
1554	}	1928	}
1555		1929
1556	void	1930	void
1557	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1931	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1932	PREINIT:
		1933	CALLBACK
1558	CODE:	1934	CODE:
1559	{	1935	{
1560	dREQ (REQ_SEQ_REMOVE);	1936	dREQ (REQ_SEQ_REMOVE);
1561	req->seq = seq;	1937	req->seq = seq;
1562	req->txn = txnid;	1938	req->txn = txnid;
…		…
1566		1942
1567		1943
1568	MODULE = BDB PACKAGE = BDB::Env	1944	MODULE = BDB PACKAGE = BDB::Env
1569		1945
1570	void	1946	void
1571	DESTROY (DB_ENV_ornull *env)	1947	DESTROY (DB_ENV_ornuked *env)
1572	CODE:	1948	CODE:
1573	if (env)	1949	if (env)
1574	env->close (env, 0);	1950	env->close (env, 0);
1575		1951
1576	int set_data_dir (DB_ENV *env, const char *dir)	1952	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1601	CODE:	1977	CODE:
1602	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1978	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603	OUTPUT:	1979	OUTPUT:
1604	RETVAL	1980	RETVAL
1605		1981
1606	int set_flags (DB_ENV *env, U32 flags, int onoff)	1982	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607	CODE:	1983	CODE:
1608	RETVAL = env->set_flags (env, flags, onoff);	1984	RETVAL = env->set_flags (env, flags, onoff);
1609	OUTPUT:	1985	OUTPUT:
1610	RETVAL	1986	RETVAL
1611		1987
		1988	#if DB_VERSION_MINOR >= 7
		1989
		1990	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		1991	CODE:
		1992	RETVAL = env->set_intermediate_dir_mode (env, mode);
		1993	OUTPUT:
		1994	RETVAL
		1995
		1996	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		1997	CODE:
		1998	RETVAL = env->log_set_config (env, flags, onoff);
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	#endif
		2003
		2004
		2005	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2006	CODE:
		2007	env->set_errfile (env, errfile);
		2008
		2009	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2010	CODE:
		2011	env->set_msgfile (env, msgfile);
		2012
		2013	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2014	CODE:
		2015	RETVAL = env->set_verbose (env, which, onoff);
		2016	OUTPUT:
		2017	RETVAL
		2018
1612	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2019	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613	CODE:	2020	CODE:
1614	RETVAL = env->set_encrypt (env, password, flags);	2021	RETVAL = env->set_encrypt (env, password, flags);
1615	OUTPUT:	2022	OUTPUT:
1616	RETVAL	2023	RETVAL
1617		2024
1618	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2025	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619	CODE:	2026	CODE:
1620	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2027	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621	OUTPUT:	2028	OUTPUT:
1622	RETVAL	2029	RETVAL
1623		2030
…		…
1671		2078
1672	int set_lg_max (DB_ENV *env, U32 max)	2079	int set_lg_max (DB_ENV *env, U32 max)
1673	CODE:	2080	CODE:
1674	RETVAL = env->set_lg_max (env, max);	2081	RETVAL = env->set_lg_max (env, max);
1675	OUTPUT:	2082	OUTPUT:
		2083	RETVAL
		2084
		2085	int mutex_set_max (DB_ENV *env, U32 max)
		2086	CODE:
		2087	RETVAL = env->mutex_set_max (env, max);
		2088	OUTPUT:
		2089	RETVAL
		2090
		2091	int mutex_set_increment (DB_ENV *env, U32 increment)
		2092	CODE:
		2093	RETVAL = env->mutex_set_increment (env, increment);
		2094	OUTPUT:
		2095	RETVAL
		2096
		2097	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2098	CODE:
		2099	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2100	OUTPUT:
		2101	RETVAL
		2102
		2103	int mutex_set_align (DB_ENV *env, U32 align)
		2104	CODE:
		2105	RETVAL = env->mutex_set_align (env, align);
		2106	OUTPUT:
1676	RETVAL	2107	RETVAL
1677		2108
1678	DB_TXN *	2109	DB_TXN *
1679	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2110	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680	CODE:	2111	CODE:
…		…
1685	RETVAL	2116	RETVAL
1686		2117
1687	MODULE = BDB PACKAGE = BDB::Db	2118	MODULE = BDB PACKAGE = BDB::Db
1688		2119
1689	void	2120	void
1690	DESTROY (DB_ornull *db)	2121	DESTROY (DB_ornuked *db)
1691	CODE:	2122	CODE:
1692	if (db)	2123	if (db)
1693	{	2124	{
1694	SV *env = (SV *)db->app_private;	2125	SV *env = (SV *)db->app_private;
1695	db->close (db, 0);	2126	db->close (db, 0);
…		…
1700	CODE:	2131	CODE:
1701	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2132	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702	OUTPUT:	2133	OUTPUT:
1703	RETVAL	2134	RETVAL
1704		2135
1705	int set_flags (DB *db, U32 flags);	2136	int set_flags (DB *db, U32 flags)
1706	CODE:	2137	CODE:
1707	RETVAL = db->set_flags (db, flags);	2138	RETVAL = db->set_flags (db, flags);
1708	OUTPUT:	2139	OUTPUT:
1709	RETVAL	2140	RETVAL
1710		2141
…		…
1724	CODE:	2155	CODE:
1725	RETVAL = db->set_bt_minkey (db, minkey);	2156	RETVAL = db->set_bt_minkey (db, minkey);
1726	OUTPUT:	2157	OUTPUT:
1727	RETVAL	2158	RETVAL
1728		2159
1729	int set_re_delim(DB *db, int delim);	2160	int set_re_delim (DB *db, int delim)
1730	CODE:	2161	CODE:
1731	RETVAL = db->set_re_delim (db, delim);	2162	RETVAL = db->set_re_delim (db, delim);
1732	OUTPUT:	2163	OUTPUT:
1733	RETVAL	2164	RETVAL
1734		2165
…		…
1790		2221
1791		2222
1792	MODULE = BDB PACKAGE = BDB::Txn	2223	MODULE = BDB PACKAGE = BDB::Txn
1793		2224
1794	void	2225	void
1795	DESTROY (DB_TXN_ornull *txn)	2226	DESTROY (DB_TXN_ornuked *txn)
1796	CODE:	2227	CODE:
1797	if (txn)	2228	if (txn)
1798	txn->abort (txn);	2229	txn->abort (txn);
1799		2230
1800	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2231	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801	CODE:	2232	CODE:
1802	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2233	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803	OUTPUT:	2234	OUTPUT:
1804	RETVAL	2235	RETVAL
1805		2236
		2237	int failed (DB_TXN *txn)
		2238	CODE:
		2239	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2240	OUTPUT:
		2241	RETVAL
		2242
1806		2243
1807	MODULE = BDB PACKAGE = BDB::Cursor	2244	MODULE = BDB PACKAGE = BDB::Cursor
1808		2245
1809	void	2246	void
1810	DESTROY (DBC_ornull *dbc)	2247	DESTROY (DBC_ornuked *dbc)
1811	CODE:	2248	CODE:
1812	if (dbc)	2249	if (dbc)
1813	dbc->c_close (dbc);	2250	dbc->c_close (dbc);
1814		2251
		2252	#if DB_VERSION_MINOR >= 6
		2253
		2254	int set_priority (DBC *dbc, int priority)
		2255	CODE:
		2256	dbc->set_priority (dbc, priority);
		2257
		2258	#endif
		2259
1815	MODULE = BDB PACKAGE = BDB::Sequence	2260	MODULE = BDB PACKAGE = BDB::Sequence
1816		2261
1817	void	2262	void
1818	DESTROY (DB_SEQUENCE_ornull *seq)	2263	DESTROY (DB_SEQUENCE_ornuked *seq)
1819	CODE:	2264	CODE:
1820	if (seq)	2265	if (seq)
1821	seq->close (seq, 0);	2266	seq->close (seq, 0);
1822		2267
1823	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2268	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1842	CODE:	2287	CODE:
1843	RETVAL = seq->set_range (seq, min, max);	2288	RETVAL = seq->set_range (seq, min, max);
1844	OUTPUT:	2289	OUTPUT:
1845	RETVAL	2290	RETVAL
1846		2291
		2292

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