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Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.36 by root, Sun Mar 30 08:01:58 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>
		31
		32	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 || __x86_64	44
39	# define WORDACCESS_UNSAFE 0	45	typedef DB_ENV DB_ENV_ornuked;
40	# else	46	typedef DB_TXN DB_TXN_ornuked;
41	# define WORDACCESS_UNSAFE 1	47	typedef DBC DBC_ornuked;
42	# endif	48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
		51	typedef SV SV8; /* byte-sv, used for argument-checking */
		52	typedef char *bdb_filename;
		53
		54	static SV *prepare_cb;
		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
43	#endif	64	#endif
44		65
45	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49
50	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;
52
53	static SV *prepare_cb;
54
55	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 *
56	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
57	{	110	{
58	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
59	}	112	}
60		113
61	static inline void	114	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	115	sv_to_dbt (DBT *dbt, SV *sv)
63	{	116	{
64	STRLEN len;	117	STRLEN len;
65	char *data = SvPVbyte (sv, len);	118	char *data = SvPVbyte (sv, len);
66		119
…		…
68	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
69	dbt->size = len;	122	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	123	dbt->flags = DB_DBT_REALLOC;
71	}	124	}
72		125
73	static inline void	126	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	127	dbt_to_sv (SV *sv, DBT *dbt)
75	{	128	{
76	if (sv)	129	if (sv)
77	{	130	{
78	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
…		…
83	free (dbt->data);	136	free (dbt->data);
84	}	137	}
85		138
86	enum {	139	enum {
87	REQ_QUIT,	140	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		142	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	143	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		144	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	146	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	148	};
93		149
94	typedef struct aio_cb	150	typedef struct bdb_cb
95	{	151	{
96	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
97	SV *callback;	153	SV *callback;
98	int type, pri, result;	154	int type, pri, result;
99		155
100	DB_ENV *env;	156	DB_ENV *env;
101	DB *db;	157	DB *db;
…		…
107	U32 uint1, uint2;	163	U32 uint1, uint2;
108	char *buf1, *buf2;	164	char *buf1, *buf2;
109	SV *sv1, *sv2, *sv3;	165	SV *sv1, *sv2, *sv3;
110		166
111	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	168	DB_KEY_RANGE key_range;
		169	DB_SEQUENCE *seq;
		170	db_seq_t seq_t;
		171	} bdb_cb;
113		172
114	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
115		174
116	enum {	175	enum {
117	PRI_MIN = -4,	176	PRI_MIN = -4,
118	PRI_MAX = 4,	177	PRI_MAX = 4,
119		178
…		…
136		195
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	196	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		197
139	static unsigned int started, idle, wanted;	198	static unsigned int started, idle, wanted;
140		199
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	200	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	201	static mutex_t wrklock = X_MUTEX_INIT;
152		202
153	typedef struct worker {	203	typedef struct worker {
154	/* locked by wrklock */	204	/* locked by wrklock */
155	struct worker *prev, *next;	205	struct worker *prev, *next;
156		206
157	pthread_t tid;	207	thread_t tid;
158		208
159	/* locked by reslock, reqlock or wrklock */	209	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	210	bdb_req req; /* currently processed request */
161	void *dbuf;	211	void *dbuf;
162	DIR *dirp;	212	DIR *dirp;
163	} worker;	213	} worker;
164		214
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	215	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	227	}
178		228
179	static volatile unsigned int nreqs, nready, npending;	229	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	230	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	231	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	232	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		233
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	234	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	235	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	236	static cond_t reqwait = X_COND_INIT;
187		237
188	#if WORDACCESS_UNSAFE	238	#if WORDACCESS_UNSAFE
189		239
190	static unsigned int get_nready ()	240	static unsigned int get_nready (void)
191	{	241	{
192	unsigned int retval;	242	unsigned int retval;
193		243
194	LOCK (reqlock);	244	X_LOCK (reqlock);
195	retval = nready;	245	retval = nready;
196	UNLOCK (reqlock);	246	X_UNLOCK (reqlock);
197		247
198	return retval;	248	return retval;
199	}	249	}
200		250
201	static unsigned int get_npending ()	251	static unsigned int get_npending (void)
202	{	252	{
203	unsigned int retval;	253	unsigned int retval;
204		254
205	LOCK (reslock);	255	X_LOCK (reslock);
206	retval = npending;	256	retval = npending;
207	UNLOCK (reslock);	257	X_UNLOCK (reslock);
208		258
209	return retval;	259	return retval;
210	}	260	}
211		261
212	static unsigned int get_nthreads ()	262	static unsigned int get_nthreads (void)
213	{	263	{
214	unsigned int retval;	264	unsigned int retval;
215		265
216	LOCK (wrklock);	266	X_LOCK (wrklock);
217	retval = started;	267	retval = started;
218	UNLOCK (wrklock);	268	X_UNLOCK (wrklock);
219		269
220	return retval;	270	return retval;
221	}	271	}
222		272
223	#else	273	#else
…		…
232	* a somewhat faster data structure might be nice, but	282	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	283	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	284	* per shift, the most expensive operation.
235	*/	285	*/
236	typedef struct {	286	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	287	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	288	int size;
239	} reqq;	289	} reqq;
240		290
241	static reqq req_queue;	291	static reqq req_queue;
242	static reqq res_queue;	292	static reqq res_queue;
243		293
244	int reqq_push (reqq *q, aio_req req)	294	int reqq_push (reqq *q, bdb_req req)
245	{	295	{
246	int pri = req->pri;	296	int pri = req->pri;
247	req->next = 0;	297	req->next = 0;
248		298
249	if (q->qe[pri])	299	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	305	q->qe[pri] = q->qs[pri] = req;
256		306
257	return q->size++;	307	return q->size++;
258	}	308	}
259		309
260	aio_req reqq_shift (reqq *q)	310	bdb_req reqq_shift (reqq *q)
261	{	311	{
262	int pri;	312	int pri;
263		313
264	if (!q->size)	314	if (!q->size)
265	return 0;	315	return 0;
266		316
267	--q->size;	317	--q->size;
268		318
269	for (pri = NUM_PRI; pri--; )	319	for (pri = NUM_PRI; pri--; )
270	{	320	{
271	aio_req req = q->qs[pri];	321	bdb_req req = q->qs[pri];
272		322
273	if (req)	323	if (req)
274	{	324	{
275	if (!(q->qs[pri] = req->next))	325	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	326	q->qe[pri] = 0;
…		…
280	}	330	}
281		331
282	abort ();	332	abort ();
283	}	333	}
284		334
285	static int poll_cb ();	335	static int poll_cb (void);
286	static void req_free (aio_req req);	336	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);	337	static void req_cancel (bdb_req req);
288		338
289	static int req_invoke (aio_req req)	339	static int req_invoke (bdb_req req)
290	{	340	{
291	dSP;	341	dSP;
292		342
293	if (SvOK (req->callback))	343	if (SvOK (req->callback))
294	{	344	{
295	ENTER;	345	ENTER;
296	SAVETMPS;	346	SAVETMPS;
297	PUSHMARK (SP);	347	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		348
300	switch (req->type)	349	switch (req->type)
301	{	350	{
302	case REQ_DB_CLOSE:	351	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	352	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	361	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	362	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	363	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	364	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	365	break;
		366
		367	case REQ_DB_PUT:
		368	case REQ_C_PUT:
		369	dbt_to_sv (0, &req->dbt1);
		370	dbt_to_sv (0, &req->dbt2);
		371	break;
		372
		373	case REQ_DB_KEY_RANGE:
		374	{
		375	AV *av = newAV ();
		376
		377	av_push (av, newSVnv (req->key_range.less));
		378	av_push (av, newSVnv (req->key_range.equal));
		379	av_push (av, newSVnv (req->key_range.greater));
		380
		381	SvREADONLY_off (req->sv1);
		382	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		383	SvREFCNT_dec (req->sv1);
		384	}
		385	break;
		386
		387	case REQ_SEQ_GET:
		388	SvREADONLY_off (req->sv1);
		389
		390	if (sizeof (IV) > 4)
		391	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		392	else
		393	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		394
		395	SvREFCNT_dec (req->sv1);
		396	break;
317	}	397	}
318		398
319	errno = req->result;	399	errno = req->result;
320		400
321	PUTBACK;	401	PUTBACK;
…		…
327	}	407	}
328		408
329	return !SvTRUE (ERRSV);	409	return !SvTRUE (ERRSV);
330	}	410	}
331		411
332	static void req_free (aio_req req)	412	static void req_free (bdb_req req)
333	{	413	{
334	free (req->buf1);	414	free (req->buf1);
335	free (req->buf2);	415	free (req->buf2);
336	Safefree (req);	416	Safefree (req);
337	}	417	}
338		418
339	static void *aio_proc (void *arg);	419	#ifdef USE_SOCKETS_AS_HANDLES
		420	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		421	#else
		422	# define TO_SOCKET(x) (x)
		423	#endif
		424
		425	static void
		426	create_respipe (void)
		427	{
		428	#ifdef _WIN32
		429	int arg; /* argg */
		430	#endif
		431	int old_readfd = respipe [0];
		432
		433	if (respipe [1] >= 0)
		434	respipe_close (TO_SOCKET (respipe [1]));
		435
		436	#ifdef _WIN32
		437	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		438	#else
		439	if (pipe (respipe))
		440	#endif
		441	croak ("unable to initialize result pipe");
		442
		443	if (old_readfd >= 0)
		444	{
		445	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		446	croak ("unable to initialize result pipe(2)");
		447
		448	respipe_close (respipe [0]);
		449	respipe [0] = old_readfd;
		450	}
		451
		452	#ifdef _WIN32
		453	arg = 1;
		454	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		455	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		456	#else
		457	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		458	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		459	#endif
		460	croak ("unable to initialize result pipe(3)");
		461
		462	respipe_osf [0] = TO_SOCKET (respipe [0]);
		463	respipe_osf [1] = TO_SOCKET (respipe [1]);
		464	}
		465
		466	X_THREAD_PROC (bdb_proc);
340		467
341	static void start_thread (void)	468	static void start_thread (void)
342	{	469	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	470	worker *wrk = calloc (1, sizeof (worker));
347		471
348	if (!wrk)	472	if (!wrk)
349	croak ("unable to allocate worker thread data");	473	croak ("unable to allocate worker thread data");
350		474
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	475	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	476	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	477	{
364	wrk->prev = &wrk_first;	478	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	479	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	480	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	481	wrk_first.next = wrk;
368	++started;	482	++started;
369	}	483	}
370	else	484	else
371	free (wrk);	485	free (wrk);
372		486
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	487	X_UNLOCK (wrklock);
375	}	488	}
376		489
377	static void maybe_start_thread ()	490	static void maybe_start_thread (void)
378	{	491	{
379	if (get_nthreads () >= wanted)	492	if (get_nthreads () >= wanted)
380	return;	493	return;
381		494
382	/* todo: maybe use idle here, but might be less exact */	495	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	497	return;
385		498
386	start_thread ();	499	start_thread ();
387	}	500	}
388		501
389	static void req_send (aio_req req)	502	static void req_send (bdb_req req)
390	{	503	{
391	SV *wait_callback = 0;	504	SV *wait_callback = 0;
392		505
393	// synthesize callback if none given	506	// synthesize callback if none given
394	if (!SvOK (req->callback))	507	if (!SvOK (req->callback))
395	{	508	{
		509	int count;
		510
396	dSP;	511	dSP;
397	PUSHMARK (SP);	512	PUSHMARK (SP);
398	PUTBACK;	513	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	514	count = call_sv (prepare_cb, G_ARRAY);
400	SPAGAIN;	515	SPAGAIN;
401		516
402	if (count != 2)	517	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");	518	croak ("prepare callback must return exactly two values\n");
404		519
405	wait_callback = SvREFCNT_inc (POPs);	520	wait_callback = POPs;
406	SvREFCNT_dec (req->callback);	521	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);	522	req->callback = SvREFCNT_inc (POPs);
408	}	523	}
409		524
410	++nreqs;	525	++nreqs;
411		526
412	LOCK (reqlock);	527	X_LOCK (reqlock);
413	++nready;	528	++nready;
414	reqq_push (&req_queue, req);	529	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	530	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	531	X_UNLOCK (reqlock);
417		532
418	maybe_start_thread ();	533	maybe_start_thread ();
419		534
420	if (wait_callback)	535	if (wait_callback)
421	{	536	{
422	dSP;	537	dSP;
423	PUSHMARK (SP);	538	PUSHMARK (SP);
424	PUTBACK;	539	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	540	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	541	}
428	}	542	}
429		543
430	static void end_thread (void)	544	static void end_thread (void)
431	{	545	{
432	aio_req req;	546	bdb_req req;
433		547
434	Newz (0, req, 1, aio_cb);	548	Newz (0, req, 1, bdb_cb);
435		549
436	req->type = REQ_QUIT;	550	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	551	req->pri = PRI_MAX + PRI_BIAS;
438		552
439	LOCK (reqlock);	553	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	554	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	555	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	556	X_UNLOCK (reqlock);
443		557
444	LOCK (wrklock);	558	X_LOCK (wrklock);
445	--started;	559	--started;
446	UNLOCK (wrklock);	560	X_UNLOCK (wrklock);
447	}	561	}
448		562
449	static void set_max_idle (int nthreads)	563	static void set_max_idle (int nthreads)
450	{	564	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	565	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	566	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	567	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	568	}
455		569
456	static void min_parallel (int nthreads)	570	static void min_parallel (int nthreads)
457	{	571	{
458	if (wanted < nthreads)	572	if (wanted < nthreads)
…		…
466		580
467	while (started > wanted)	581	while (started > wanted)
468	end_thread ();	582	end_thread ();
469	}	583	}
470		584
471	static void poll_wait ()	585	static void poll_wait (void)
472	{	586	{
473	fd_set rfd;	587	fd_set rfd;
474		588
475	while (nreqs)	589	while (nreqs)
476	{	590	{
477	int size;	591	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	592	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	593	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	594	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		595
482	if (size)	596	if (size)
483	return;	597	return;
484		598
485	maybe_start_thread ();	599	maybe_start_thread ();
486		600
487	FD_ZERO(&rfd);	601	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	602	FD_SET (respipe [0], &rfd);
489		603
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	604	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	605	}
492	}	606	}
493		607
494	static int poll_cb ()	608	static int poll_cb (void)
495	{	609	{
496	dSP;	610	dSP;
497	int count = 0;	611	int count = 0;
498	int maxreqs = max_poll_reqs;	612	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	613	int do_croak = 0;
500	struct timeval tv_start, tv_now;	614	struct timeval tv_start, tv_now;
501	aio_req req;	615	bdb_req req;
502		616
503	if (max_poll_time)	617	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	618	gettimeofday (&tv_start, 0);
505		619
506	for (;;)	620	for (;;)
507	{	621	{
508	for (;;)	622	for (;;)
509	{	623	{
510	maybe_start_thread ();	624	maybe_start_thread ();
511		625
512	LOCK (reslock);	626	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	627	req = reqq_shift (&res_queue);
514		628
515	if (req)	629	if (req)
516	{	630	{
517	--npending;	631	--npending;
518		632
519	if (!res_queue.size)	633	if (!res_queue.size)
520	{	634	{
521	/* read any signals sent by the worker threads */	635	/* read any signals sent by the worker threads */
522	char buf [4];	636	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	637	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	638	;
525	}	639	}
526	}	640	}
527		641
528	UNLOCK (reslock);	642	X_UNLOCK (reslock);
529		643
530	if (!req)	644	if (!req)
531	break;	645	break;
532		646
533	--nreqs;	647	--nreqs;
…		…
563	}	677	}
564		678
565	return count;	679	return count;
566	}	680	}
567		681
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	682	/*****************************************************************************/
581		683
582	static void *aio_proc (void *thr_arg)	684	X_THREAD_PROC (bdb_proc)
583	{	685	{
584	aio_req req;	686	bdb_req req;
585	struct timespec ts;	687	struct timespec ts;
586	worker *self = (worker *)thr_arg;	688	worker *self = (worker *)thr_arg;
587		689
588	/* try to distribute timeouts somewhat evenly */	690	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	691	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		692
592	for (;;)	693	for (;;)
593	{	694	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	695	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		696
596	LOCK (reqlock);	697	X_LOCK (reqlock);
597		698
598	for (;;)	699	for (;;)
599	{	700	{
600	self->req = req = reqq_shift (&req_queue);	701	self->req = req = reqq_shift (&req_queue);
601		702
602	if (req)	703	if (req)
603	break;	704	break;
604		705
605	++idle;	706	++idle;
606		707
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	708	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	709	== ETIMEDOUT)
609	{	710	{
610	if (idle > max_idle)	711	if (idle > max_idle)
611	{	712	{
612	--idle;	713	--idle;
613	UNLOCK (reqlock);	714	X_UNLOCK (reqlock);
614	LOCK (wrklock);	715	X_LOCK (wrklock);
615	--started;	716	--started;
616	UNLOCK (wrklock);	717	X_UNLOCK (wrklock);
617	goto quit;	718	goto quit;
618	}	719	}
619		720
620	/* we are allowed to idle, so do so without any timeout */	721	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	722	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	723	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	724	}
624		725
625	--idle;	726	--idle;
626	}	727	}
627		728
628	--nready;	729	--nready;
629		730
630	UNLOCK (reqlock);	731	X_UNLOCK (reqlock);
631		732
632	switch (req->type)	733	switch (req->type)
633	{	734	{
634	case REQ_QUIT:	735	case REQ_QUIT:
		736	req->result = ENOSYS;
635	goto quit;	737	goto quit;
636		738
637	case REQ_ENV_OPEN:	739	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	740	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;	741	break;
640		742
641	case REQ_ENV_CLOSE:	743	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);	744	req->result = req->env->close (req->env, req->uint1);
643	break;	745	break;
644		746
		747	case REQ_ENV_TXN_CHECKPOINT:
		748	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		749	break;
		750
		751	case REQ_ENV_LOCK_DETECT:
		752	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		753	break;
		754
		755	case REQ_ENV_MEMP_SYNC:
		756	req->result = req->env->memp_sync (req->env, 0);
		757	break;
		758
		759	case REQ_ENV_MEMP_TRICKLE:
		760	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		761	break;
		762
645	case REQ_DB_OPEN:	763	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	764	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;	765	break;
648		766
649	case REQ_DB_CLOSE:	767	case REQ_DB_CLOSE:
…		…
656		774
657	case REQ_DB_SYNC:	775	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);	776	req->result = req->db->sync (req->db, req->uint1);
659	break;	777	break;
660		778
		779	case REQ_DB_UPGRADE:
		780	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		781	break;
		782
661	case REQ_DB_PUT:	783	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	784	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;	785	break;
664		786
665	case REQ_DB_GET:	787	case REQ_DB_GET:
…		…
672		794
673	case REQ_DB_DEL:	795	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);	796	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;	797	break;
676		798
		799	case REQ_DB_KEY_RANGE:
		800	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		801	break;
		802
677	case REQ_TXN_COMMIT:	803	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);	804	req->result = req->txn->commit (req->txn, req->uint1);
679	break;	805	break;
680		806
681	case REQ_TXN_ABORT:	807	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);	808	req->result = req->txn->abort (req->txn);
		809	break;
		810
		811	case REQ_TXN_FINISH:
		812	if (req->txn->flags & TXN_DEADLOCK)
		813	{
		814	req->result = req->txn->abort (req->txn);
		815	if (!req->result)
		816	req->result = DB_LOCK_DEADLOCK;
		817	}
		818	else
		819	req->result = req->txn->commit (req->txn, req->uint1);
683	break;	820	break;
684		821
685	case REQ_C_CLOSE:	822	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);	823	req->result = req->dbc->c_close (req->dbc);
687	break;	824	break;
…		…
708		845
709	case REQ_C_DEL:	846	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);	847	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;	848	break;
712		849
		850	case REQ_SEQ_OPEN:
		851	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		852	break;
		853
		854	case REQ_SEQ_CLOSE:
		855	req->result = req->seq->close (req->seq, req->uint1);
		856	break;
		857
		858	case REQ_SEQ_GET:
		859	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_REMOVE:
		863	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		864	break;
		865
713	default:	866	default:
714	req->result = ENOSYS;	867	req->result = ENOSYS;
715	break;	868	break;
716	}	869	}
717		870
		871	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		872	req->txn->flags |= TXN_DEADLOCK;
		873
718	LOCK (reslock);	874	X_LOCK (reslock);
719		875
720	++npending;	876	++npending;
721		877
722	if (!reqq_push (&res_queue, req))	878	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	879	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	880	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		881
726	self->req = 0;	882	self->req = 0;
727	worker_clear (self);	883	worker_clear (self);
728		884
729	UNLOCK (reslock);	885	X_UNLOCK (reslock);
730	}	886	}
731		887
732	quit:	888	quit:
733	LOCK (wrklock);	889	X_LOCK (wrklock);
734	worker_free (self);	890	worker_free (self);
735	UNLOCK (wrklock);	891	X_UNLOCK (wrklock);
736		892
737	return 0;	893	return 0;
738	}	894	}
739		895
740	/*****************************************************************************/	896	/*****************************************************************************/
741		897
742	static void atfork_prepare (void)	898	static void atfork_prepare (void)
743	{	899	{
744	LOCK (wrklock);	900	X_LOCK (wrklock);
745	LOCK (reqlock);	901	X_LOCK (reqlock);
746	LOCK (reslock);	902	X_LOCK (reslock);
747	}	903	}
748		904
749	static void atfork_parent (void)	905	static void atfork_parent (void)
750	{	906	{
751	UNLOCK (reslock);	907	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	908	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	909	X_UNLOCK (wrklock);
754	}	910	}
755		911
756	static void atfork_child (void)	912	static void atfork_child (void)
757	{	913	{
758	aio_req prv;	914	bdb_req prv;
759		915
760	while (prv = reqq_shift (&req_queue))	916	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	917	req_free (prv);
762		918
763	while (prv = reqq_shift (&res_queue))	919	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	934	idle = 0;
779	nreqs = 0;	935	nreqs = 0;
780	nready = 0;	936	nready = 0;
781	npending = 0;	937	npending = 0;
782		938
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	939	create_respipe ();
786		940
787	atfork_parent ();	941	atfork_parent ();
788	}	942	}
789		943
790	#define dREQ(reqtype) \	944	#define dREQ(reqtype) \
791	aio_req req; \	945	bdb_req req; \
792	int req_pri = next_pri; \	946	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	947	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	948	\
795	if (SvOK (callback) && !SvROK (callback)) \	949	if (SvOK (callback) && !SvROK (callback)) \
796	croak ("callback must be undef or of reference type"); \	950	croak ("callback must be undef or of reference type"); \
797	\	951	\
798	Newz (0, req, 1, aio_cb); \	952	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	953	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	954	croak ("out of memory during bdb_req allocation"); \
801	\	955	\
802	req->callback = newSVsv (callback); \	956	req->callback = newSVsv (callback); \
803	req->type = (reqtype); \	957	req->type = (reqtype); \
804	req->pri = req_pri	958	req->pri = req_pri
805		959
806	#define REQ_SEND \	960	#define REQ_SEND \
807	req_send (req)	961	req_send (req)
808		962
809	#define SvPTR(var, arg, type, class, nullok) \	963	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	964	if (!SvOK (arg)) \
811	{ \	965	{ \
812	if (!nullok) \	966	if (nullok != 1) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	967	croak (# var " must be a " # class " object, not undef"); \
814	\	968	\
815	(var) = 0; \	969	(var) = 0; \
816	} \	970	} \
817	else if (sv_derived_from ((arg), # class)) \	971	else if (sv_derived_from ((arg), # class)) \
818	{ \	972	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	973	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	974	(var) = INT2PTR (type, tmp); \
821	if (!var) \	975	if (!var && nullok != 2) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	976	croak (# var " is not a valid " # class " object anymore"); \
823	} \	977	} \
824	else \	978	else \
825	Perl_croak (# var " is not of type " # class); \	979	croak (# var " is not of type " # class); \
826	\	980	\
827		981
828	static void	982	static void
829	ptr_nuke (SV *sv)	983	ptr_nuke (SV *sv)
830	{	984	{
831	assert (SvROK (sv));	985	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	986	sv_setiv (SvRV (sv), 0);
		987	}
		988
		989	static int
		990	errno_get (pTHX_ SV *sv, MAGIC *mg)
		991	{
		992	if (*mg->mg_ptr == '!') // should always be the case
		993	if (-30999 <= errno && errno <= -30800)
		994	{
		995	sv_setnv (sv, (NV)errno);
		996	sv_setpv (sv, db_strerror (errno));
		997	SvNOK_on (sv); /* what a wonderful hack! */
		998	// ^^^ copied from perl sources
		999	return 0;
		1000	}
		1001
		1002	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1003	}
		1004
		1005	static MGVTBL vtbl_errno;
		1006
		1007	// this wonderful hack :( patches perl's $! variable to support our errno values
		1008	static void
		1009	patch_errno (void)
		1010	{
		1011	SV *sv;
		1012	MAGIC *mg;
		1013
		1014	if (!(sv = get_sv ("!", 1)))
		1015	return;
		1016
		1017	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1018	return;
		1019
		1020	if (mg->mg_virtual != &PL_vtbl_sv)
		1021	return;
		1022
		1023	vtbl_errno = PL_vtbl_sv;
		1024	vtbl_errno.svt_get = errno_get;
		1025	mg->mg_virtual = &vtbl_errno;
833	}	1026	}
834		1027
835	MODULE = BDB PACKAGE = BDB	1028	MODULE = BDB PACKAGE = BDB
836		1029
837	PROTOTYPES: ENABLE	1030	PROTOTYPES: ENABLE
…		…
854	const_iv (INIT_TXN)	1047	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1048	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1049	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1050	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1051	const_iv (CREATE)
		1052	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1053	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1054	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1055	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1056	const_iv (PRIVATE)
863	const_iv (REGISTER)	1057	const_iv (REGISTER)
…		…
869	const_iv (DSYNC_DB)	1063	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)	1064	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)	1065	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)	1066	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1067	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1068	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1069	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1070	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1071	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1072	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1073	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1074	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1075	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1076	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1077	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1078	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1079	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1080	const_iv (XA_CREATE)
…		…
895	const_iv (READ_UNCOMMITTED)	1088	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1089	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1090	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1091	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1092	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1093	const_iv (DUP)
902	const_iv (DUPSORT)	1094	const_iv (DUPSORT)
903	const_iv (RECNUM)	1095	const_iv (RECNUM)
904	const_iv (RENUMBER)	1096	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1097	const_iv (REVSPLITOFF)
…		…
910	const_iv (GET_BOTH_RANGE)	1102	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1103	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1104	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1105	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1106	const_iv (JOIN_ITEM)
		1107	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1108	const_iv (RMW)
916		1109
917	const_iv (NOTFOUND)	1110	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1111	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1112	const_iv (LOCK_DEADLOCK)
…		…
930	const_iv (APPEND)	1123	const_iv (APPEND)
931	const_iv (NODUPDATA)	1124	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1125	const_iv (NOOVERWRITE)
933		1126
934	const_iv (TXN_NOWAIT)	1127	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1128	const_iv (TXN_SYNC)
937		1129
938	const_iv (SET_LOCK_TIMEOUT)	1130	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1131	const_iv (SET_TXN_TIMEOUT)
940		1132
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1133	const_iv (FIRST)
943	const_iv (NEXT)	1134	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1135	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1136	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1137	const_iv (PREV)
…		…
952	const_iv (AFTER)	1143	const_iv (AFTER)
953	const_iv (CURRENT)	1144	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1145	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1146	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1147	const_iv (NODUPDATA)
		1148
		1149	const_iv (FORCE)
		1150
		1151	const_iv (LOCK_DEFAULT)
		1152	const_iv (LOCK_EXPIRE)
		1153	const_iv (LOCK_MAXLOCKS)
		1154	const_iv (LOCK_MAXWRITE)
		1155	const_iv (LOCK_MINLOCKS)
		1156	const_iv (LOCK_MINWRITE)
		1157	const_iv (LOCK_OLDEST)
		1158	const_iv (LOCK_RANDOM)
		1159	const_iv (LOCK_YOUNGEST)
		1160
		1161	const_iv (SEQ_DEC)
		1162	const_iv (SEQ_INC)
		1163	const_iv (SEQ_WRAP)
		1164
		1165	const_iv (BUFFER_SMALL)
		1166	const_iv (DONOTINDEX)
		1167	const_iv (KEYEMPTY )
		1168	const_iv (KEYEXIST )
		1169	const_iv (LOCK_DEADLOCK)
		1170	const_iv (LOCK_NOTGRANTED)
		1171	const_iv (LOG_BUFFER_FULL)
		1172	const_iv (NOSERVER)
		1173	const_iv (NOSERVER_HOME)
		1174	const_iv (NOSERVER_ID)
		1175	const_iv (NOTFOUND)
		1176	const_iv (PAGE_NOTFOUND)
		1177	const_iv (REP_DUPMASTER)
		1178	const_iv (REP_HANDLE_DEAD)
		1179	const_iv (REP_HOLDELECTION)
		1180	const_iv (REP_IGNORE)
		1181	const_iv (REP_ISPERM)
		1182	const_iv (REP_JOIN_FAILURE)
		1183	const_iv (REP_LOCKOUT)
		1184	const_iv (REP_NEWMASTER)
		1185	const_iv (REP_NEWSITE)
		1186	const_iv (REP_NOTPERM)
		1187	const_iv (REP_UNAVAIL)
		1188	const_iv (RUNRECOVERY)
		1189	const_iv (SECONDARY_BAD)
		1190	const_iv (VERIFY_BAD)
		1191	const_iv (VERSION_MISMATCH)
		1192
		1193	const_iv (VERB_DEADLOCK)
		1194	const_iv (VERB_RECOVERY)
		1195	const_iv (VERB_REGISTER)
		1196	const_iv (VERB_REPLICATION)
		1197	const_iv (VERB_WAITSFOR)
		1198
		1199	const_iv (VERSION_MAJOR)
		1200	const_iv (VERSION_MINOR)
		1201	const_iv (VERSION_PATCH)
		1202	#if DB_VERSION_MINOR >= 5
		1203	const_iv (MULTIVERSION)
		1204	const_iv (TXN_SNAPSHOT)
		1205	#endif
		1206	#if DB_VERSION_MINOR >= 6
		1207	const_iv (PREV_DUP)
		1208	const_iv (PRIORITY_UNCHANGED)
		1209	const_iv (PRIORITY_VERY_LOW)
		1210	const_iv (PRIORITY_LOW)
		1211	const_iv (PRIORITY_DEFAULT)
		1212	const_iv (PRIORITY_HIGH)
		1213	const_iv (PRIORITY_VERY_HIGH)
		1214	#endif
957	};	1215	};
958		1216
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1217	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1218	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1219
962	create_pipe ();	1220	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1221	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1222
		1223	create_respipe ();
		1224
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1225	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1226	#ifdef _WIN32
		1227	X_MUTEX_CHECK (wrklock);
		1228	X_MUTEX_CHECK (reslock);
		1229	X_MUTEX_CHECK (reqlock);
		1230
		1231	X_COND_CHECK (reqwait);
		1232	#endif
		1233	patch_errno ();
964	}	1234	}
965		1235
966	void	1236	void
967	max_poll_reqs (int nreqs)	1237	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1238	PROTOTYPE: $
…		…
1087		1357
1088	int	1358	int
1089	nthreads ()	1359	nthreads ()
1090	PROTOTYPE:	1360	PROTOTYPE:
1091	CODE:	1361	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1362	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1363	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1364	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1365	OUTPUT:
1096	RETVAL	1366	RETVAL
1097		1367
1098	void	1368	void
1099	set_sync_prepare (SV *cb)	1369	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1370	PROTOTYPE: &
1101	CODE:	1371	CODE:
1102	SvREFCNT_dec (prepare_cb);	1372	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1373	prepare_cb = newSVsv (cb);
		1374
		1375	char *
		1376	strerror (int errorno = errno)
		1377	PROTOTYPE: ;$
		1378	CODE:
		1379	RETVAL = db_strerror (errorno);
		1380	OUTPUT:
		1381	RETVAL
1104		1382
1105	DB_ENV *	1383	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1384	db_env_create (U32 env_flags = 0)
1107	CODE:	1385	CODE:
1108	{	1386	{
1109	errno = db_env_create (&RETVAL, env_flags);	1387	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1388	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1389	croak ("db_env_create: %s", db_strerror (errno));
		1390
		1391	if (0)
		1392	{
		1393	RETVAL->set_errcall (RETVAL, debug_errcall);
		1394	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1395	}
1112	}	1396	}
1113	OUTPUT:	1397	OUTPUT:
1114	RETVAL	1398	RETVAL
1115		1399
1116	void	1400	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1401	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1118	CODE:	1402	CODE:
1119	{	1403	{
1120	dREQ (REQ_ENV_OPEN);	1404	dREQ (REQ_ENV_OPEN);
		1405
1121	req->env = env;	1406	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1407	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1408	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1409	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1410	REQ_SEND;
…		…
1134	req->uint1 = flags;	1419	req->uint1 = flags;
1135	REQ_SEND;	1420	REQ_SEND;
1136	ptr_nuke (ST (0));	1421	ptr_nuke (ST (0));
1137	}	1422	}
1138		1423
		1424	void
		1425	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1426	CODE:
		1427	{
		1428	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1429	req->env = env;
		1430	req->uint1 = kbyte;
		1431	req->int1 = min;
		1432	req->uint2 = flags;
		1433	REQ_SEND;
		1434	}
		1435
		1436	void
		1437	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1438	CODE:
		1439	{
		1440	dREQ (REQ_ENV_LOCK_DETECT);
		1441	req->env = env;
		1442	req->uint1 = flags;
		1443	req->uint2 = atype;
		1444	REQ_SEND;
		1445	}
		1446
		1447	void
		1448	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1449	CODE:
		1450	{
		1451	dREQ (REQ_ENV_MEMP_SYNC);
		1452	req->env = env;
		1453	REQ_SEND;
		1454	}
		1455
		1456	void
		1457	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1458	CODE:
		1459	{
		1460	dREQ (REQ_ENV_MEMP_TRICKLE);
		1461	req->env = env;
		1462	req->int1 = percent;
		1463	REQ_SEND;
		1464	}
		1465
		1466
1139	DB *	1467	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1468	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1469	CODE:
1142	{	1470	{
1143	errno = db_create (&RETVAL, env, flags);	1471	errno = db_create (&RETVAL, env, flags);
…		…
1149	}	1477	}
1150	OUTPUT:	1478	OUTPUT:
1151	RETVAL	1479	RETVAL
1152		1480
1153	void	1481	void
1154	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1482	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1155	CODE:	1483	CODE:
1156	{	1484	{
1157	dREQ (REQ_DB_OPEN);	1485	dREQ (REQ_DB_OPEN);
1158	req->db = db;	1486	req->db = db;
1159	req->txn = txnid;	1487	req->txn = txnid;
…		…
1199	req->uint1 = flags;	1527	req->uint1 = flags;
1200	REQ_SEND;	1528	REQ_SEND;
1201	}	1529	}
1202		1530
1203	void	1531	void
		1532	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
		1533	CODE:
		1534	{
		1535	dREQ (REQ_DB_SYNC);
		1536	req->db = db;
		1537	req->buf1 = strdup (file);
		1538	req->uint1 = flags;
		1539	REQ_SEND;
		1540	}
		1541
		1542	void
		1543	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1544	CODE:
		1545	{
		1546	dREQ (REQ_DB_KEY_RANGE);
		1547	req->db = db;
		1548	req->txn = txn;
		1549	sv_to_dbt (&req->dbt1, key);
		1550	req->uint1 = flags;
		1551	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1552	REQ_SEND;
		1553	}
		1554
		1555	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1556	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205	CODE:	1557	CODE:
1206	{	1558	{
1207	dREQ (REQ_DB_PUT);	1559	dREQ (REQ_DB_PUT);
1208	req->db = db;	1560	req->db = db;
…		…
1214	}	1566	}
1215		1567
1216	void	1568	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1569	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1218	CODE:	1570	CODE:
		1571	if (SvREADONLY (data))
		1572	croak ("can't modify read-only data scalar in db_get");
1219	{	1573	{
1220	dREQ (REQ_DB_GET);	1574	dREQ (REQ_DB_GET);
1221	req->db = db;	1575	req->db = db;
1222	req->txn = txn;	1576	req->txn = txn;
1223	req->uint1 = flags;	1577	req->uint1 = flags;
…		…
1228	}	1582	}
1229		1583
1230	void	1584	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1585	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1232	CODE:	1586	CODE:
		1587	if (SvREADONLY (data))
		1588	croak ("can't modify read-only data scalar in db_pget");
1233	{	1589	{
1234	dREQ (REQ_DB_PGET);	1590	dREQ (REQ_DB_PGET);
1235	req->db = db;	1591	req->db = db;
1236	req->txn = txn;	1592	req->txn = txn;
1237	req->uint1 = flags;	1593	req->uint1 = flags;
…		…
1274	REQ_SEND;	1630	REQ_SEND;
1275	ptr_nuke (ST (0));	1631	ptr_nuke (ST (0));
1276	}	1632	}
1277		1633
1278	void	1634	void
		1635	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1636	CODE:
		1637	{
		1638	dREQ (REQ_TXN_FINISH);
		1639	req->txn = txn;
		1640	req->uint1 = flags;
		1641	REQ_SEND;
		1642	ptr_nuke (ST (0));
		1643	}
		1644
		1645	void
1279	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1646	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280	CODE:	1647	CODE:
1281	{	1648	{
1282	dREQ (REQ_C_CLOSE);	1649	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1650	req->dbc = dbc;
…		…
1369	req->uint1 = flags;	1736	req->uint1 = flags;
1370	REQ_SEND;	1737	REQ_SEND;
1371	}	1738	}
1372		1739
1373		1740
		1741	void
		1742	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1743	CODE:
		1744	{
		1745	dREQ (REQ_SEQ_OPEN);
		1746	req->seq = seq;
		1747	req->txn = txnid;
		1748	req->uint1 = flags | DB_THREAD;
		1749	sv_to_dbt (&req->dbt1, key);
		1750	REQ_SEND;
		1751	}
		1752
		1753	void
		1754	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1755	CODE:
		1756	{
		1757	dREQ (REQ_SEQ_CLOSE);
		1758	req->seq = seq;
		1759	req->uint1 = flags;
		1760	REQ_SEND;
		1761	ptr_nuke (ST (0));
		1762	}
		1763
		1764	void
		1765	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)
		1766	CODE:
		1767	{
		1768	dREQ (REQ_SEQ_GET);
		1769	req->seq = seq;
		1770	req->txn = txnid;
		1771	req->int1 = delta;
		1772	req->uint1 = flags;
		1773	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1774	REQ_SEND;
		1775	}
		1776
		1777	void
		1778	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1779	CODE:
		1780	{
		1781	dREQ (REQ_SEQ_REMOVE);
		1782	req->seq = seq;
		1783	req->txn = txnid;
		1784	req->uint1 = flags;
		1785	REQ_SEND;
		1786	}
		1787
		1788
1374	MODULE = BDB PACKAGE = BDB::Env	1789	MODULE = BDB PACKAGE = BDB::Env
1375		1790
1376	void	1791	void
1377	DESTROY (DB_ENV_ornull *env)	1792	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	1793	CODE:
1379	if (env)	1794	if (env)
1380	env->close (env, 0);	1795	env->close (env, 0);
1381		1796
		1797	int set_data_dir (DB_ENV *env, const char *dir)
		1798	CODE:
		1799	RETVAL = env->set_data_dir (env, dir);
		1800	OUTPUT:
		1801	RETVAL
		1802
		1803	int set_tmp_dir (DB_ENV *env, const char *dir)
		1804	CODE:
		1805	RETVAL = env->set_tmp_dir (env, dir);
		1806	OUTPUT:
		1807	RETVAL
		1808
		1809	int set_lg_dir (DB_ENV *env, const char *dir)
		1810	CODE:
		1811	RETVAL = env->set_lg_dir (env, dir);
		1812	OUTPUT:
		1813	RETVAL
		1814
		1815	int set_shm_key (DB_ENV *env, long shm_key)
		1816	CODE:
		1817	RETVAL = env->set_shm_key (env, shm_key);
		1818	OUTPUT:
		1819	RETVAL
		1820
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1821	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	1822	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1823	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	1824	OUTPUT:
1386	RETVAL	1825	RETVAL
1387		1826
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	1827	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	1828	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	1829	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	1830	OUTPUT:
1392	RETVAL	1831	RETVAL
1393		1832
		1833	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		1834	CODE:
		1835	env->set_errfile (env, errfile);
		1836
		1837	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		1838	CODE:
		1839	env->set_msgfile (env, msgfile);
		1840
		1841	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1842	CODE:
		1843	RETVAL = env->set_verbose (env, which, onoff);
		1844	OUTPUT:
		1845	RETVAL
		1846
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	1847	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	1848	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	1849	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	1850	OUTPUT:
1398	RETVAL	1851	RETVAL
1399		1852
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1853	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	1854	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1855	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	1856	OUTPUT:
		1857	RETVAL
		1858
		1859	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1860	CODE:
		1861	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1862	OUTPUT:
		1863	RETVAL
		1864
		1865	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1866	CODE:
		1867	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1868	OUTPUT:
		1869	RETVAL
		1870
		1871	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1872	CODE:
		1873	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1874	OUTPUT:
		1875	RETVAL
		1876
		1877	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1878	CODE:
		1879	RETVAL = env->set_lk_detect (env, detect);
		1880	OUTPUT:
		1881	RETVAL
		1882
		1883	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1884	CODE:
		1885	RETVAL = env->set_lk_max_lockers (env, max);
		1886	OUTPUT:
		1887	RETVAL
		1888
		1889	int set_lk_max_locks (DB_ENV *env, U32 max)
		1890	CODE:
		1891	RETVAL = env->set_lk_max_locks (env, max);
		1892	OUTPUT:
		1893	RETVAL
		1894
		1895	int set_lk_max_objects (DB_ENV *env, U32 max)
		1896	CODE:
		1897	RETVAL = env->set_lk_max_objects (env, max);
		1898	OUTPUT:
		1899	RETVAL
		1900
		1901	int set_lg_bsize (DB_ENV *env, U32 max)
		1902	CODE:
		1903	RETVAL = env->set_lg_bsize (env, max);
		1904	OUTPUT:
		1905	RETVAL
		1906
		1907	int set_lg_max (DB_ENV *env, U32 max)
		1908	CODE:
		1909	RETVAL = env->set_lg_max (env, max);
		1910	OUTPUT:
		1911	RETVAL
		1912
		1913	int mutex_set_max (DB_ENV *env, U32 max)
		1914	CODE:
		1915	RETVAL = env->mutex_set_max (env, max);
		1916	OUTPUT:
		1917	RETVAL
		1918
		1919	int mutex_set_increment (DB_ENV *env, U32 increment)
		1920	CODE:
		1921	RETVAL = env->mutex_set_increment (env, increment);
		1922	OUTPUT:
		1923	RETVAL
		1924
		1925	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1926	CODE:
		1927	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1928	OUTPUT:
		1929	RETVAL
		1930
		1931	int mutex_set_align (DB_ENV *env, U32 align)
		1932	CODE:
		1933	RETVAL = env->mutex_set_align (env, align);
		1934	OUTPUT:
1404	RETVAL	1935	RETVAL
1405		1936
1406	DB_TXN *	1937	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	1938	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	1939	CODE:
…		…
1413	RETVAL	1944	RETVAL
1414		1945
1415	MODULE = BDB PACKAGE = BDB::Db	1946	MODULE = BDB PACKAGE = BDB::Db
1416		1947
1417	void	1948	void
1418	DESTROY (DB_ornull *db)	1949	DESTROY (DB_ornuked *db)
1419	CODE:	1950	CODE:
1420	if (db)	1951	if (db)
1421	{	1952	{
1422	SV *env = (SV *)db->app_private;	1953	SV *env = (SV *)db->app_private;
1423	db->close (db, 0);	1954	db->close (db, 0);
…		…
1428	CODE:	1959	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1960	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	1961	OUTPUT:
1431	RETVAL	1962	RETVAL
1432		1963
1433	int set_flags (DB *db, U32 flags);	1964	int set_flags (DB *db, U32 flags)
1434	CODE:	1965	CODE:
1435	RETVAL = db->set_flags (db, flags);	1966	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	1967	OUTPUT:
1437	RETVAL	1968	RETVAL
1438		1969
…		…
1446	CODE:	1977	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	1978	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	1979	OUTPUT:
1449	RETVAL	1980	RETVAL
1450		1981
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	1982	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	1983	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	1984	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	1985	OUTPUT:
1456	RETVAL	1986	RETVAL
1457		1987
1458	int set_re_delim(DB *db, int delim);	1988	int set_re_delim (DB *db, int delim)
1459	CODE:	1989	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	1990	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	1991	OUTPUT:
1462	RETVAL	1992	RETVAL
1463		1993
…		…
1504	if (errno)	2034	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2035	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2036	OUTPUT:
1507	RETVAL	2037	RETVAL
1508		2038
		2039	DB_SEQUENCE *
		2040	sequence (DB *db, U32 flags = 0)
		2041	CODE:
		2042	{
		2043	errno = db_sequence_create (&RETVAL, db, flags);
		2044	if (errno)
		2045	croak ("db_sequence_create: %s", db_strerror (errno));
		2046	}
		2047	OUTPUT:
		2048	RETVAL
		2049
1509		2050
1510	MODULE = BDB PACKAGE = BDB::Txn	2051	MODULE = BDB PACKAGE = BDB::Txn
1511		2052
1512	void	2053	void
1513	DESTROY (DB_TXN_ornull *txn)	2054	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2055	CODE:
1515	if (txn)	2056	if (txn)
1516	txn->abort (txn);	2057	txn->abort (txn);
1517		2058
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2059	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2060	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2061	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2062	OUTPUT:
1522	RETVAL	2063	RETVAL
1523		2064
		2065	int failed (DB_TXN *txn)
		2066	CODE:
		2067	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2068	OUTPUT:
		2069	RETVAL
		2070
1524		2071
1525	MODULE = BDB PACKAGE = BDB::Cursor	2072	MODULE = BDB PACKAGE = BDB::Cursor
1526		2073
1527	void	2074	void
1528	DESTROY (DBC_ornull *dbc)	2075	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2076	CODE:
1530	if (dbc)	2077	if (dbc)
1531	dbc->c_close (dbc);	2078	dbc->c_close (dbc);
1532		2079
		2080	#if DB_VERSION_MINOR >= 6
		2081
		2082	int set_priority (DBC *dbc, int priority)
		2083	CODE:
		2084	dbc->set_priority (dbc, priority);
		2085
		2086	#endif
		2087
		2088	MODULE = BDB PACKAGE = BDB::Sequence
		2089
		2090	void
		2091	DESTROY (DB_SEQUENCE_ornuked *seq)
		2092	CODE:
		2093	if (seq)
		2094	seq->close (seq, 0);
		2095
		2096	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2097	CODE:
		2098	RETVAL = seq->initial_value (seq, value);
		2099	OUTPUT:
		2100	RETVAL
		2101
		2102	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2103	CODE:
		2104	RETVAL = seq->set_cachesize (seq, size);
		2105	OUTPUT:
		2106	RETVAL
		2107
		2108	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2109	CODE:
		2110	RETVAL = seq->set_flags (seq, flags);
		2111	OUTPUT:
		2112	RETVAL
		2113
		2114	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2115	CODE:
		2116	RETVAL = seq->set_range (seq, min, max);
		2117	OUTPUT:
		2118	RETVAL
		2119
		2120

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