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Comparing BDB/BDB.xs (file contents):
Revision 1.5 by root, Mon Feb 5 23:46:15 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	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
67	dbt->data = malloc (len);	120	dbt->data = malloc (len);
68	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
69	dbt->size = len;	122	dbt->size = len;
		123	dbt->flags = DB_DBT_REALLOC;
70	}	124	}
71		125
72	inline void	126	static void
73	dbt_to_sv (SV *sv, DBT *dbt)	127	dbt_to_sv (SV *sv, DBT *dbt)
74	{	128	{
		129	if (sv)
		130	{
75	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
76	sv_setpvn_mg (sv, dbt->data, dbt->size);	132	sv_setpvn_mg (sv, dbt->data, dbt->size);
		133	SvREFCNT_dec (sv);
		134	}
77		135
78	free (dbt->data);	136	free (dbt->data);
79	}	137	}
80		138
81	enum {	139	enum {
82	REQ_QUIT,	140	REQ_QUIT,
83	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,
84	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET,	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,
85	REQ_TXN_COMMIT, REQ_TXN_ABORT,	145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		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,
86	};	148	};
87		149
88	typedef struct aio_cb	150	typedef struct bdb_cb
89	{	151	{
90	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
91	SV *callback;	153	SV *callback;
92	int type, pri, result;	154	int type, pri, result;
93		155
94	DB_ENV *env;	156	DB_ENV *env;
95	DB *db;	157	DB *db;
96	DB_TXN *txn;	158	DB_TXN *txn;
97	DBC *cursor;	159	DBC *dbc;
		160
		161	UV uv1;
98	int int1, int2;	162	int int1, int2;
99	U32 uint1, uint2;	163	U32 uint1, uint2;
100	char *buf1, *buf2;	164	char *buf1, *buf2;
101	SV *sv1, *sv2;	165	SV *sv1, *sv2, *sv3;
102		166
103	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
104	} aio_cb;	168	DB_KEY_RANGE key_range;
		169	DB_SEQUENCE *seq;
		170	db_seq_t seq_t;
		171	} bdb_cb;
105		172
106	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
107		174
108	enum {	175	enum {
109	PRI_MIN = -4,	176	PRI_MIN = -4,
110	PRI_MAX = 4,	177	PRI_MAX = 4,
111		178
…		…
128		195
129	static int next_pri = DEFAULT_PRI + PRI_BIAS;	196	static int next_pri = DEFAULT_PRI + PRI_BIAS;
130		197
131	static unsigned int started, idle, wanted;	198	static unsigned int started, idle, wanted;
132		199
133	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
134	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
135	#else
136	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
137	#endif
138
139	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
140	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
141
142	/* worker threads management */	200	/* worker threads management */
143	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	201	static mutex_t wrklock = X_MUTEX_INIT;
144		202
145	typedef struct worker {	203	typedef struct worker {
146	/* locked by wrklock */	204	/* locked by wrklock */
147	struct worker *prev, *next;	205	struct worker *prev, *next;
148		206
149	pthread_t tid;	207	thread_t tid;
150		208
151	/* locked by reslock, reqlock or wrklock */	209	/* locked by reslock, reqlock or wrklock */
152	aio_req req; /* currently processed request */	210	bdb_req req; /* currently processed request */
153	void *dbuf;	211	void *dbuf;
154	DIR *dirp;	212	DIR *dirp;
155	} worker;	213	} worker;
156		214
157	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	215	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
169	}	227	}
170		228
171	static volatile unsigned int nreqs, nready, npending;	229	static volatile unsigned int nreqs, nready, npending;
172	static volatile unsigned int max_idle = 4;	230	static volatile unsigned int max_idle = 4;
173	static volatile unsigned int max_outstanding = 0xffffffff;	231	static volatile unsigned int max_outstanding = 0xffffffff;
174	static int respipe [2];	232	static int respipe_osf [2], respipe [2] = { -1, -1 };
175		233
176	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	234	static mutex_t reslock = X_MUTEX_INIT;
177	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	235	static mutex_t reqlock = X_MUTEX_INIT;
178	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	236	static cond_t reqwait = X_COND_INIT;
179		237
180	#if WORDACCESS_UNSAFE	238	#if WORDACCESS_UNSAFE
181		239
182	static unsigned int get_nready ()	240	static unsigned int get_nready (void)
183	{	241	{
184	unsigned int retval;	242	unsigned int retval;
185		243
186	LOCK (reqlock);	244	X_LOCK (reqlock);
187	retval = nready;	245	retval = nready;
188	UNLOCK (reqlock);	246	X_UNLOCK (reqlock);
189		247
190	return retval;	248	return retval;
191	}	249	}
192		250
193	static unsigned int get_npending ()	251	static unsigned int get_npending (void)
194	{	252	{
195	unsigned int retval;	253	unsigned int retval;
196		254
197	LOCK (reslock);	255	X_LOCK (reslock);
198	retval = npending;	256	retval = npending;
199	UNLOCK (reslock);	257	X_UNLOCK (reslock);
200		258
201	return retval;	259	return retval;
202	}	260	}
203		261
204	static unsigned int get_nthreads ()	262	static unsigned int get_nthreads (void)
205	{	263	{
206	unsigned int retval;	264	unsigned int retval;
207		265
208	LOCK (wrklock);	266	X_LOCK (wrklock);
209	retval = started;	267	retval = started;
210	UNLOCK (wrklock);	268	X_UNLOCK (wrklock);
211		269
212	return retval;	270	return retval;
213	}	271	}
214		272
215	#else	273	#else
…		…
224	* a somewhat faster data structure might be nice, but	282	* a somewhat faster data structure might be nice, but
225	* with 8 priorities this actually needs <20 insns	283	* with 8 priorities this actually needs <20 insns
226	* per shift, the most expensive operation.	284	* per shift, the most expensive operation.
227	*/	285	*/
228	typedef struct {	286	typedef struct {
229	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	287	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
230	int size;	288	int size;
231	} reqq;	289	} reqq;
232		290
233	static reqq req_queue;	291	static reqq req_queue;
234	static reqq res_queue;	292	static reqq res_queue;
235		293
236	int reqq_push (reqq *q, aio_req req)	294	int reqq_push (reqq *q, bdb_req req)
237	{	295	{
238	int pri = req->pri;	296	int pri = req->pri;
239	req->next = 0;	297	req->next = 0;
240		298
241	if (q->qe[pri])	299	if (q->qe[pri])
…		…
247	q->qe[pri] = q->qs[pri] = req;	305	q->qe[pri] = q->qs[pri] = req;
248		306
249	return q->size++;	307	return q->size++;
250	}	308	}
251		309
252	aio_req reqq_shift (reqq *q)	310	bdb_req reqq_shift (reqq *q)
253	{	311	{
254	int pri;	312	int pri;
255		313
256	if (!q->size)	314	if (!q->size)
257	return 0;	315	return 0;
258		316
259	--q->size;	317	--q->size;
260		318
261	for (pri = NUM_PRI; pri--; )	319	for (pri = NUM_PRI; pri--; )
262	{	320	{
263	aio_req req = q->qs[pri];	321	bdb_req req = q->qs[pri];
264		322
265	if (req)	323	if (req)
266	{	324	{
267	if (!(q->qs[pri] = req->next))	325	if (!(q->qs[pri] = req->next))
268	q->qe[pri] = 0;	326	q->qe[pri] = 0;
…		…
272	}	330	}
273		331
274	abort ();	332	abort ();
275	}	333	}
276		334
277	static int poll_cb ();	335	static int poll_cb (void);
278	static void req_free (aio_req req);	336	static void req_free (bdb_req req);
279	static void req_cancel (aio_req req);	337	static void req_cancel (bdb_req req);
280		338
281	static int req_invoke (aio_req req)	339	static int req_invoke (bdb_req req)
282	{	340	{
283	dSP;	341	dSP;
284		342
285	if (SvOK (req->callback))	343	if (SvOK (req->callback))
286	{	344	{
287	ENTER;	345	ENTER;
288	SAVETMPS;	346	SAVETMPS;
289	PUSHMARK (SP);	347	PUSHMARK (SP);
290	EXTEND (SP, 1);
291		348
292	switch (req->type)	349	switch (req->type)
293	{	350	{
		351	case REQ_DB_CLOSE:
		352	SvREFCNT_dec (req->sv1);
		353	break;
		354
294	case REQ_DB_GET:	355	case REQ_DB_GET:
295	case REQ_DB_PGET:	356	case REQ_DB_PGET:
296	dbt_to_sv (req->sv1, &req->dbt3);	357	dbt_to_sv (req->sv3, &req->dbt3);
		358	break;
		359
		360	case REQ_C_GET:
		361	case REQ_C_PGET:
		362	dbt_to_sv (req->sv1, &req->dbt1);
		363	dbt_to_sv (req->sv2, &req->dbt2);
		364	dbt_to_sv (req->sv3, &req->dbt3);
		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));
297	SvREFCNT_dec (req->sv1);	383	SvREFCNT_dec (req->sv1);
298	break;	384	}
		385	break;
299		386
300	case REQ_DB_CLOSE:	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
301	SvREFCNT_dec (req->sv1);	395	SvREFCNT_dec (req->sv1);
302	break;	396	break;
303	}	397	}
304		398
305	errno = req->result;	399	errno = req->result;
…		…
313	}	407	}
314		408
315	return !SvTRUE (ERRSV);	409	return !SvTRUE (ERRSV);
316	}	410	}
317		411
318	static void req_free (aio_req req)	412	static void req_free (bdb_req req)
319	{	413	{
320	free (req->buf1);	414	free (req->buf1);
321	free (req->buf2);	415	free (req->buf2);
322	Safefree (req);	416	Safefree (req);
323	}	417	}
324		418
325	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);
326		467
327	static void start_thread (void)	468	static void start_thread (void)
328	{	469	{
329	sigset_t fullsigset, oldsigset;
330	pthread_attr_t attr;
331
332	worker *wrk = calloc (1, sizeof (worker));	470	worker *wrk = calloc (1, sizeof (worker));
333		471
334	if (!wrk)	472	if (!wrk)
335	croak ("unable to allocate worker thread data");	473	croak ("unable to allocate worker thread data");
336		474
337	pthread_attr_init (&attr);
338	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
339	#ifdef PTHREAD_SCOPE_PROCESS
340	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
341	#endif
342
343	sigfillset (&fullsigset);
344
345	LOCK (wrklock);	475	X_LOCK (wrklock);
346	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
347
348	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	476	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
349	{	477	{
350	wrk->prev = &wrk_first;	478	wrk->prev = &wrk_first;
351	wrk->next = wrk_first.next;	479	wrk->next = wrk_first.next;
352	wrk_first.next->prev = wrk;	480	wrk_first.next->prev = wrk;
353	wrk_first.next = wrk;	481	wrk_first.next = wrk;
354	++started;	482	++started;
355	}	483	}
356	else	484	else
357	free (wrk);	485	free (wrk);
358		486
359	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
360	UNLOCK (wrklock);	487	X_UNLOCK (wrklock);
361	}	488	}
362		489
363	static void maybe_start_thread ()	490	static void maybe_start_thread (void)
364	{	491	{
365	if (get_nthreads () >= wanted)	492	if (get_nthreads () >= wanted)
366	return;	493	return;
367		494
368	/* todo: maybe use idle here, but might be less exact */	495	/* todo: maybe use idle here, but might be less exact */
…		…
370	return;	497	return;
371		498
372	start_thread ();	499	start_thread ();
373	}	500	}
374		501
375	static void req_send (aio_req req)	502	static void req_send (bdb_req req)
376	{	503	{
377	SV *wait_callback = 0;	504	SV *wait_callback = 0;
378		505
379	// synthesize callback if none given	506	// synthesize callback if none given
380	if (!SvOK (req->callback))	507	if (!SvOK (req->callback))
381	{	508	{
		509	int count;
		510
382	dSP;	511	dSP;
383	PUSHMARK (SP);	512	PUSHMARK (SP);
384	PUTBACK;	513	PUTBACK;
385	int count = call_sv (prepare_cb, G_ARRAY);	514	count = call_sv (prepare_cb, G_ARRAY);
386	SPAGAIN;	515	SPAGAIN;
387		516
388	if (count != 2)	517	if (count != 2)
389	croak ("prepare callback must return exactly two values\n");	518	croak ("prepare callback must return exactly two values\n");
390		519
391	wait_callback = SvREFCNT_inc (POPs);	520	wait_callback = POPs;
392	SvREFCNT_dec (req->callback);	521	SvREFCNT_dec (req->callback);
393	req->callback = SvREFCNT_inc (POPs);	522	req->callback = SvREFCNT_inc (POPs);
394	}	523	}
395		524
396	++nreqs;	525	++nreqs;
397		526
398	LOCK (reqlock);	527	X_LOCK (reqlock);
399	++nready;	528	++nready;
400	reqq_push (&req_queue, req);	529	reqq_push (&req_queue, req);
401	pthread_cond_signal (&reqwait);	530	X_COND_SIGNAL (reqwait);
402	UNLOCK (reqlock);	531	X_UNLOCK (reqlock);
403		532
404	maybe_start_thread ();	533	maybe_start_thread ();
405		534
406	if (wait_callback)	535	if (wait_callback)
407	{	536	{
408	dSP;	537	dSP;
409	PUSHMARK (SP);	538	PUSHMARK (SP);
410	PUTBACK;	539	PUTBACK;
411	call_sv (wait_callback, G_DISCARD);	540	call_sv (wait_callback, G_DISCARD);
412	SvREFCNT_dec (wait_callback);
413	}	541	}
414	}	542	}
415		543
416	static void end_thread (void)	544	static void end_thread (void)
417	{	545	{
418	aio_req req;	546	bdb_req req;
419		547
420	Newz (0, req, 1, aio_cb);	548	Newz (0, req, 1, bdb_cb);
421		549
422	req->type = REQ_QUIT;	550	req->type = REQ_QUIT;
423	req->pri = PRI_MAX + PRI_BIAS;	551	req->pri = PRI_MAX + PRI_BIAS;
424		552
425	LOCK (reqlock);	553	X_LOCK (reqlock);
426	reqq_push (&req_queue, req);	554	reqq_push (&req_queue, req);
427	pthread_cond_signal (&reqwait);	555	X_COND_SIGNAL (reqwait);
428	UNLOCK (reqlock);	556	X_UNLOCK (reqlock);
429		557
430	LOCK (wrklock);	558	X_LOCK (wrklock);
431	--started;	559	--started;
432	UNLOCK (wrklock);	560	X_UNLOCK (wrklock);
433	}	561	}
434		562
435	static void set_max_idle (int nthreads)	563	static void set_max_idle (int nthreads)
436	{	564	{
437	if (WORDACCESS_UNSAFE) LOCK (reqlock);	565	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
438	max_idle = nthreads <= 0 ? 1 : nthreads;	566	max_idle = nthreads <= 0 ? 1 : nthreads;
439	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	567	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
440	}	568	}
441		569
442	static void min_parallel (int nthreads)	570	static void min_parallel (int nthreads)
443	{	571	{
444	if (wanted < nthreads)	572	if (wanted < nthreads)
…		…
452		580
453	while (started > wanted)	581	while (started > wanted)
454	end_thread ();	582	end_thread ();
455	}	583	}
456		584
457	static void poll_wait ()	585	static void poll_wait (void)
458	{	586	{
459	fd_set rfd;	587	fd_set rfd;
460		588
461	while (nreqs)	589	while (nreqs)
462	{	590	{
463	int size;	591	int size;
464	if (WORDACCESS_UNSAFE) LOCK (reslock);	592	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
465	size = res_queue.size;	593	size = res_queue.size;
466	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	594	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
467		595
468	if (size)	596	if (size)
469	return;	597	return;
470		598
471	maybe_start_thread ();	599	maybe_start_thread ();
472		600
473	FD_ZERO(&rfd);	601	FD_ZERO (&rfd);
474	FD_SET(respipe [0], &rfd);	602	FD_SET (respipe [0], &rfd);
475		603
476	select (respipe [0] + 1, &rfd, 0, 0, 0);	604	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
477	}	605	}
478	}	606	}
479		607
480	static int poll_cb ()	608	static int poll_cb (void)
481	{	609	{
482	dSP;	610	dSP;
483	int count = 0;	611	int count = 0;
484	int maxreqs = max_poll_reqs;	612	int maxreqs = max_poll_reqs;
485	int do_croak = 0;	613	int do_croak = 0;
486	struct timeval tv_start, tv_now;	614	struct timeval tv_start, tv_now;
487	aio_req req;	615	bdb_req req;
488		616
489	if (max_poll_time)	617	if (max_poll_time)
490	gettimeofday (&tv_start, 0);	618	gettimeofday (&tv_start, 0);
491		619
492	for (;;)	620	for (;;)
493	{	621	{
494	for (;;)	622	for (;;)
495	{	623	{
496	maybe_start_thread ();	624	maybe_start_thread ();
497		625
498	LOCK (reslock);	626	X_LOCK (reslock);
499	req = reqq_shift (&res_queue);	627	req = reqq_shift (&res_queue);
500		628
501	if (req)	629	if (req)
502	{	630	{
503	--npending;	631	--npending;
504		632
505	if (!res_queue.size)	633	if (!res_queue.size)
506	{	634	{
507	/* read any signals sent by the worker threads */	635	/* read any signals sent by the worker threads */
508	char buf [4];	636	char buf [4];
509	while (read (respipe [0], buf, 4) == 4)	637	while (respipe_read (respipe [0], buf, 4) == 4)
510	;	638	;
511	}	639	}
512	}	640	}
513		641
514	UNLOCK (reslock);	642	X_UNLOCK (reslock);
515		643
516	if (!req)	644	if (!req)
517	break;	645	break;
518		646
519	--nreqs;	647	--nreqs;
…		…
549	}	677	}
550		678
551	return count;	679	return count;
552	}	680	}
553		681
554	static void create_pipe ()
555	{
556	if (pipe (respipe))
557	croak ("unable to initialize result pipe");
558
559	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
560	croak ("cannot set result pipe to nonblocking mode");
561
562	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
563	croak ("cannot set result pipe to nonblocking mode");
564	}
565
566	/*****************************************************************************/	682	/*****************************************************************************/
567		683
568	static void *aio_proc (void *thr_arg)	684	X_THREAD_PROC (bdb_proc)
569	{	685	{
570	aio_req req;	686	bdb_req req;
571	struct timespec ts;	687	struct timespec ts;
572	worker *self = (worker *)thr_arg;	688	worker *self = (worker *)thr_arg;
573		689
574	/* try to distribute timeouts somewhat evenly */	690	/* try to distribute timeouts somewhat evenly */
575	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	691	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
576	* (1000000000UL / 1024UL);
577		692
578	for (;;)	693	for (;;)
579	{	694	{
580	ts.tv_sec = time (0) + IDLE_TIMEOUT;	695	ts.tv_sec = time (0) + IDLE_TIMEOUT;
581		696
582	LOCK (reqlock);	697	X_LOCK (reqlock);
583		698
584	for (;;)	699	for (;;)
585	{	700	{
586	self->req = req = reqq_shift (&req_queue);	701	self->req = req = reqq_shift (&req_queue);
587		702
588	if (req)	703	if (req)
589	break;	704	break;
590		705
591	++idle;	706	++idle;
592		707
593	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	708	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
594	== ETIMEDOUT)	709	== ETIMEDOUT)
595	{	710	{
596	if (idle > max_idle)	711	if (idle > max_idle)
597	{	712	{
598	--idle;	713	--idle;
599	UNLOCK (reqlock);	714	X_UNLOCK (reqlock);
600	LOCK (wrklock);	715	X_LOCK (wrklock);
601	--started;	716	--started;
602	UNLOCK (wrklock);	717	X_UNLOCK (wrklock);
603	goto quit;	718	goto quit;
604	}	719	}
605		720
606	/* we are allowed to idle, so do so without any timeout */	721	/* we are allowed to idle, so do so without any timeout */
607	pthread_cond_wait (&reqwait, &reqlock);	722	X_COND_WAIT (reqwait, reqlock);
608	ts.tv_sec = time (0) + IDLE_TIMEOUT;	723	ts.tv_sec = time (0) + IDLE_TIMEOUT;
609	}	724	}
610		725
611	--idle;	726	--idle;
612	}	727	}
613		728
614	--nready;	729	--nready;
615		730
616	UNLOCK (reqlock);	731	X_UNLOCK (reqlock);
617		732
618	switch (req->type)	733	switch (req->type)
619	{	734	{
620	case REQ_QUIT:	735	case REQ_QUIT:
		736	req->result = ENOSYS;
621	goto quit;	737	goto quit;
622		738
623	case REQ_ENV_OPEN:	739	case REQ_ENV_OPEN:
624	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);
625	break;	741	break;
626		742
627	case REQ_ENV_CLOSE:	743	case REQ_ENV_CLOSE:
628	req->result = req->env->close (req->env, req->uint1);	744	req->result = req->env->close (req->env, req->uint1);
629	break;	745	break;
630		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
631	case REQ_DB_OPEN:	763	case REQ_DB_OPEN:
632	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);
633	break;	765	break;
634		766
635	case REQ_DB_CLOSE:	767	case REQ_DB_CLOSE:
…		…
642		774
643	case REQ_DB_SYNC:	775	case REQ_DB_SYNC:
644	req->result = req->db->sync (req->db, req->uint1);	776	req->result = req->db->sync (req->db, req->uint1);
645	break;	777	break;
646		778
		779	case REQ_DB_UPGRADE:
		780	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		781	break;
		782
647	case REQ_DB_PUT:	783	case REQ_DB_PUT:
648	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);
649	break;	785	break;
650		786
651	case REQ_DB_GET:	787	case REQ_DB_GET:
…		…
654		790
655	case REQ_DB_PGET:	791	case REQ_DB_PGET:
656	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	792	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
657	break;	793	break;
658		794
		795	case REQ_DB_DEL:
		796	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		797	break;
		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
659	case REQ_TXN_COMMIT:	803	case REQ_TXN_COMMIT:
660	req->result = req->txn->commit (req->txn, req->uint1);	804	req->result = req->txn->commit (req->txn, req->uint1);
661	break;	805	break;
662		806
663	case REQ_TXN_ABORT:	807	case REQ_TXN_ABORT:
664	req->result = req->txn->abort (req->txn);	808	req->result = req->txn->abort (req->txn);
665	break;	809	break;
666		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);
		820	break;
		821
		822	case REQ_C_CLOSE:
		823	req->result = req->dbc->c_close (req->dbc);
		824	break;
		825
		826	case REQ_C_COUNT:
		827	{
		828	db_recno_t recno;
		829	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		830	req->uv1 = recno;
		831	}
		832	break;
		833
		834	case REQ_C_PUT:
		835	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		836	break;
		837
		838	case REQ_C_GET:
		839	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		840	break;
		841
		842	case REQ_C_PGET:
		843	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		844	break;
		845
		846	case REQ_C_DEL:
		847	req->result = req->dbc->c_del (req->dbc, req->uint1);
		848	break;
		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
667	default:	866	default:
668	req->result = ENOSYS;	867	req->result = ENOSYS;
669	break;	868	break;
670	}	869	}
671		870
		871	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		872	req->txn->flags |= TXN_DEADLOCK;
		873
672	LOCK (reslock);	874	X_LOCK (reslock);
673		875
674	++npending;	876	++npending;
675		877
676	if (!reqq_push (&res_queue, req))	878	if (!reqq_push (&res_queue, req))
677	/* write a dummy byte to the pipe so fh becomes ready */	879	/* write a dummy byte to the pipe so fh becomes ready */
678	write (respipe [1], &respipe, 1);	880	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
679		881
680	self->req = 0;	882	self->req = 0;
681	worker_clear (self);	883	worker_clear (self);
682		884
683	UNLOCK (reslock);	885	X_UNLOCK (reslock);
684	}	886	}
685		887
686	quit:	888	quit:
687	LOCK (wrklock);	889	X_LOCK (wrklock);
688	worker_free (self);	890	worker_free (self);
689	UNLOCK (wrklock);	891	X_UNLOCK (wrklock);
690		892
691	return 0;	893	return 0;
692	}	894	}
693		895
694	/*****************************************************************************/	896	/*****************************************************************************/
695		897
696	static void atfork_prepare (void)	898	static void atfork_prepare (void)
697	{	899	{
698	LOCK (wrklock);	900	X_LOCK (wrklock);
699	LOCK (reqlock);	901	X_LOCK (reqlock);
700	LOCK (reslock);	902	X_LOCK (reslock);
701	}	903	}
702		904
703	static void atfork_parent (void)	905	static void atfork_parent (void)
704	{	906	{
705	UNLOCK (reslock);	907	X_UNLOCK (reslock);
706	UNLOCK (reqlock);	908	X_UNLOCK (reqlock);
707	UNLOCK (wrklock);	909	X_UNLOCK (wrklock);
708	}	910	}
709		911
710	static void atfork_child (void)	912	static void atfork_child (void)
711	{	913	{
712	aio_req prv;	914	bdb_req prv;
713		915
714	while (prv = reqq_shift (&req_queue))	916	while (prv = reqq_shift (&req_queue))
715	req_free (prv);	917	req_free (prv);
716		918
717	while (prv = reqq_shift (&res_queue))	919	while (prv = reqq_shift (&res_queue))
…		…
732	idle = 0;	934	idle = 0;
733	nreqs = 0;	935	nreqs = 0;
734	nready = 0;	936	nready = 0;
735	npending = 0;	937	npending = 0;
736		938
737	close (respipe [0]);
738	close (respipe [1]);
739	create_pipe ();	939	create_respipe ();
740		940
741	atfork_parent ();	941	atfork_parent ();
742	}	942	}
743		943
744	#define dREQ(reqtype) \	944	#define dREQ(reqtype) \
745	aio_req req; \	945	bdb_req req; \
746	int req_pri = next_pri; \	946	int req_pri = next_pri; \
747	next_pri = DEFAULT_PRI + PRI_BIAS; \	947	next_pri = DEFAULT_PRI + PRI_BIAS; \
748	\	948	\
749	if (SvOK (callback) && !SvROK (callback)) \	949	if (SvOK (callback) && !SvROK (callback)) \
750	croak ("callback must be undef or of reference type"); \	950	croak ("callback must be undef or of reference type"); \
751	\	951	\
752	Newz (0, req, 1, aio_cb); \	952	Newz (0, req, 1, bdb_cb); \
753	if (!req) \	953	if (!req) \
754	croak ("out of memory during aio_req allocation"); \	954	croak ("out of memory during bdb_req allocation"); \
755	\	955	\
756	req->callback = newSVsv (callback); \	956	req->callback = newSVsv (callback); \
757	req->type = (reqtype); \	957	req->type = (reqtype); \
758	req->pri = req_pri	958	req->pri = req_pri
759		959
760	#define REQ_SEND \	960	#define REQ_SEND \
761	req_send (req)	961	req_send (req)
762		962
763	#define SvPTR(var, arg, type, class, nullok) \	963	#define SvPTR(var, arg, type, class, nullok) \
764	if (!SvOK (arg)) \	964	if (!SvOK (arg)) \
765	{ \	965	{ \
766	if (!nullok) \	966	if (nullok != 1) \
767	Perl_croak (# var " must be a " # class " object, not undef"); \	967	croak (# var " must be a " # class " object, not undef"); \
768	\	968	\
769	(var) = 0; \	969	(var) = 0; \
770	} \	970	} \
771	else if (sv_derived_from ((arg), # class)) \	971	else if (sv_derived_from ((arg), # class)) \
772	{ \	972	{ \
773	IV tmp = SvIV ((SV*) SvRV (arg)); \	973	IV tmp = SvIV ((SV*) SvRV (arg)); \
774	(var) = INT2PTR (type, tmp); \	974	(var) = INT2PTR (type, tmp); \
775	if (!var) \	975	if (!var && nullok != 2) \
776	Perl_croak (# var " is not a valid " # class " object anymore"); \	976	croak (# var " is not a valid " # class " object anymore"); \
777	} \	977	} \
778	else \	978	else \
779	Perl_croak (# var " is not of type " # class); \	979	croak (# var " is not of type " # class); \
780	\	980	\
781		981
782	static void	982	static void
783	ptr_nuke (SV *sv)	983	ptr_nuke (SV *sv)
784	{	984	{
785	assert (SvROK (sv));	985	assert (SvROK (sv));
786	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;
787	}	1026	}
788		1027
789	MODULE = BDB PACKAGE = BDB	1028	MODULE = BDB PACKAGE = BDB
790		1029
791	PROTOTYPES: ENABLE	1030	PROTOTYPES: ENABLE
…		…
808	const_iv (INIT_TXN)	1047	const_iv (INIT_TXN)
809	const_iv (RECOVER)	1048	const_iv (RECOVER)
810	const_iv (INIT_TXN)	1049	const_iv (INIT_TXN)
811	const_iv (RECOVER_FATAL)	1050	const_iv (RECOVER_FATAL)
812	const_iv (CREATE)	1051	const_iv (CREATE)
		1052	const_iv (RDONLY)
813	const_iv (USE_ENVIRON)	1053	const_iv (USE_ENVIRON)
814	const_iv (USE_ENVIRON_ROOT)	1054	const_iv (USE_ENVIRON_ROOT)
815	const_iv (LOCKDOWN)	1055	const_iv (LOCKDOWN)
816	const_iv (PRIVATE)	1056	const_iv (PRIVATE)
817	const_iv (REGISTER)	1057	const_iv (REGISTER)
…		…
823	const_iv (DSYNC_DB)	1063	const_iv (DSYNC_DB)
824	const_iv (DSYNC_LOG)	1064	const_iv (DSYNC_LOG)
825	const_iv (LOG_AUTOREMOVE)	1065	const_iv (LOG_AUTOREMOVE)
826	const_iv (LOG_INMEMORY)	1066	const_iv (LOG_INMEMORY)
827	const_iv (NOLOCKING)	1067	const_iv (NOLOCKING)
828	const_iv (MULTIVERSION)
829	const_iv (NOMMAP)	1068	const_iv (NOMMAP)
830	const_iv (NOPANIC)	1069	const_iv (NOPANIC)
831	const_iv (OVERWRITE)	1070	const_iv (OVERWRITE)
832	const_iv (PANIC_ENVIRONMENT)	1071	const_iv (PANIC_ENVIRONMENT)
833	const_iv (REGION_INIT)	1072	const_iv (REGION_INIT)
834	const_iv (TIME_NOTGRANTED)	1073	const_iv (TIME_NOTGRANTED)
835	const_iv (TXN_NOSYNC)	1074	const_iv (TXN_NOSYNC)
836	const_iv (TXN_SNAPSHOT)	1075	const_iv (TXN_NOT_DURABLE)
837	const_iv (TXN_WRITE_NOSYNC)	1076	const_iv (TXN_WRITE_NOSYNC)
838	const_iv (WRITECURSOR)	1077	const_iv (WRITECURSOR)
839	const_iv (YIELDCPU)	1078	const_iv (YIELDCPU)
840	const_iv (ENCRYPT_AES)	1079	const_iv (ENCRYPT_AES)
841	const_iv (XA_CREATE)	1080	const_iv (XA_CREATE)
…		…
849	const_iv (READ_UNCOMMITTED)	1088	const_iv (READ_UNCOMMITTED)
850	const_iv (TRUNCATE)	1089	const_iv (TRUNCATE)
851	const_iv (NOSYNC)	1090	const_iv (NOSYNC)
852	const_iv (CHKSUM)	1091	const_iv (CHKSUM)
853	const_iv (ENCRYPT)	1092	const_iv (ENCRYPT)
854	const_iv (TXN_NOT_DURABLE)
855	const_iv (DUP)	1093	const_iv (DUP)
856	const_iv (DUPSORT)	1094	const_iv (DUPSORT)
857	const_iv (RECNUM)	1095	const_iv (RECNUM)
858	const_iv (RENUMBER)	1096	const_iv (RENUMBER)
859	const_iv (REVSPLITOFF)	1097	const_iv (REVSPLITOFF)
860	const_iv (INORDER)	1098	const_iv (INORDER)
861	const_iv (CONSUME)	1099	const_iv (CONSUME)
862	const_iv (CONSUME_WAIT)	1100	const_iv (CONSUME_WAIT)
863	const_iv (GET_BOTH)	1101	const_iv (GET_BOTH)
		1102	const_iv (GET_BOTH_RANGE)
864	//const_iv (SET_RECNO)	1103	//const_iv (SET_RECNO)
865	//const_iv (MULTIPLE)	1104	//const_iv (MULTIPLE)
866	const_iv (SNAPSHOT)	1105	const_iv (SNAPSHOT)
867	const_iv (JOIN_ITEM)	1106	const_iv (JOIN_ITEM)
		1107	const_iv (JOIN_NOSORT)
868	const_iv (RMW)	1108	const_iv (RMW)
869		1109
870	const_iv (NOTFOUND)	1110	const_iv (NOTFOUND)
871	const_iv (KEYEMPTY)	1111	const_iv (KEYEMPTY)
872	const_iv (LOCK_DEADLOCK)	1112	const_iv (LOCK_DEADLOCK)
873	const_iv (LOCK_NOTGRANTED)	1113	const_iv (LOCK_NOTGRANTED)
874	const_iv (RUNRECOVERY)	1114	const_iv (RUNRECOVERY)
875	const_iv (OLD_VERSION)	1115	const_iv (OLD_VERSION)
876	const_iv (REP_HANDLE_DEAD)	1116	const_iv (REP_HANDLE_DEAD)
877	const_iv (REP_LOCKOUT)	1117	const_iv (REP_LOCKOUT)
		1118	const_iv (SECONDARY_BAD)
878		1119
879	const_iv (FREE_SPACE)	1120	const_iv (FREE_SPACE)
880	const_iv (FREELIST_ONLY)	1121	const_iv (FREELIST_ONLY)
881		1122
882	const_iv (APPEND)	1123	const_iv (APPEND)
883	const_iv (NODUPDATA)	1124	const_iv (NODUPDATA)
884	const_iv (NOOVERWRITE)	1125	const_iv (NOOVERWRITE)
885		1126
886	const_iv (TXN_NOWAIT)	1127	const_iv (TXN_NOWAIT)
887	const_iv (TXN_SNAPSHOT)
888	const_iv (TXN_SYNC)	1128	const_iv (TXN_SYNC)
889		1129
890	const_iv (SET_LOCK_TIMEOUT)	1130	const_iv (SET_LOCK_TIMEOUT)
891	const_iv (SET_TXN_TIMEOUT)	1131	const_iv (SET_TXN_TIMEOUT)
		1132
		1133	const_iv (FIRST)
		1134	const_iv (NEXT)
		1135	const_iv (NEXT_DUP)
		1136	const_iv (NEXT_NODUP)
		1137	const_iv (PREV)
		1138	const_iv (PREV_NODUP)
		1139	const_iv (SET)
		1140	const_iv (SET_RANGE)
		1141	const_iv (LAST)
		1142	const_iv (BEFORE)
		1143	const_iv (AFTER)
		1144	const_iv (CURRENT)
		1145	const_iv (KEYFIRST)
		1146	const_iv (KEYLAST)
		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
892	};	1215	};
893		1216
894	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; )
895	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1218	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
896		1219
897	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
898	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 ();
899	}	1234	}
900		1235
901	void	1236	void
902	max_poll_reqs (int nreqs)	1237	max_poll_reqs (int nreqs)
903	PROTOTYPE: $	1238	PROTOTYPE: $
…		…
1022		1357
1023	int	1358	int
1024	nthreads ()	1359	nthreads ()
1025	PROTOTYPE:	1360	PROTOTYPE:
1026	CODE:	1361	CODE:
1027	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1362	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1028	RETVAL = started;	1363	RETVAL = started;
1029	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1364	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1030	OUTPUT:	1365	OUTPUT:
1031	RETVAL	1366	RETVAL
1032		1367
1033	void	1368	void
1034	set_sync_prepare (SV *cb)	1369	set_sync_prepare (SV *cb)
1035	PROTOTYPE: &	1370	PROTOTYPE: &
1036	CODE:	1371	CODE:
1037	SvREFCNT_dec (prepare_cb);	1372	SvREFCNT_dec (prepare_cb);
1038	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
1039		1382
1040	DB_ENV *	1383	DB_ENV *
1041	db_env_create (U32 env_flags = 0)	1384	db_env_create (U32 env_flags = 0)
1042	CODE:	1385	CODE:
1043	{	1386	{
1044	errno = db_env_create (&RETVAL, env_flags);	1387	errno = db_env_create (&RETVAL, env_flags);
1045	if (errno)	1388	if (errno)
1046	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	}
1047	}	1396	}
1048	OUTPUT:	1397	OUTPUT:
1049	RETVAL	1398	RETVAL
1050		1399
1051	void	1400	void
1052	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)
1053	CODE:	1402	CODE:
1054	{	1403	{
1055	dREQ (REQ_ENV_OPEN);	1404	dREQ (REQ_ENV_OPEN);
		1405
1056	req->env = env;	1406	req->env = env;
1057	req->uint1 = open_flags | DB_THREAD;	1407	req->uint1 = open_flags | DB_THREAD;
1058	req->int1 = mode;	1408	req->int1 = mode;
1059	req->buf1 = strdup_ornull (db_home);	1409	req->buf1 = strdup_ornull (db_home);
1060	REQ_SEND;	1410	REQ_SEND;
…		…
1069	req->uint1 = flags;	1419	req->uint1 = flags;
1070	REQ_SEND;	1420	REQ_SEND;
1071	ptr_nuke (ST (0));	1421	ptr_nuke (ST (0));
1072	}	1422	}
1073		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
1074	DB *	1467	DB *
1075	db_create (DB_ENV *env = 0, U32 flags = 0)	1468	db_create (DB_ENV *env = 0, U32 flags = 0)
1076	CODE:	1469	CODE:
1077	{	1470	{
1078	errno = db_create (&RETVAL, env, flags);	1471	errno = db_create (&RETVAL, env, flags);
1079	if (errno)	1472	if (errno)
1080	croak ("db_env_create: %s", db_strerror (errno));	1473	croak ("db_create: %s", db_strerror (errno));
1081		1474
1082	if (RETVAL)	1475	if (RETVAL)
1083	RETVAL->app_private = (void *)newSVsv (ST (0));	1476	RETVAL->app_private = (void *)newSVsv (ST (0));
1084	}	1477	}
1085	OUTPUT:	1478	OUTPUT:
1086	RETVAL	1479	RETVAL
1087		1480
1088	void	1481	void
1089	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)
1090	CODE:	1483	CODE:
1091	{	1484	{
1092	dREQ (REQ_DB_OPEN);	1485	dREQ (REQ_DB_OPEN);
1093	req->db = db;	1486	req->db = db;
1094	req->txn = txnid;	1487	req->txn = txnid;
…		…
1134	req->uint1 = flags;	1527	req->uint1 = flags;
1135	REQ_SEND;	1528	REQ_SEND;
1136	}	1529	}
1137		1530
1138	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
1139	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)
1140	CODE:	1557	CODE:
1141	{	1558	{
1142	dREQ (REQ_DB_PUT);	1559	dREQ (REQ_DB_PUT);
1143	req->db = db;	1560	req->db = db;
…		…
1149	}	1566	}
1150		1567
1151	void	1568	void
1152	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)
1153	CODE:	1570	CODE:
		1571	if (SvREADONLY (data))
		1572	croak ("can't modify read-only data scalar in db_get");
1154	{	1573	{
1155	dREQ (REQ_DB_GET);	1574	dREQ (REQ_DB_GET);
1156	req->db = db;	1575	req->db = db;
1157	req->txn = txn;	1576	req->txn = txn;
		1577	req->uint1 = flags;
1158	sv_to_dbt (&req->dbt1, key);	1578	sv_to_dbt (&req->dbt1, key);
1159	req->dbt3.flags = DB_DBT_MALLOC;	1579	req->dbt3.flags = DB_DBT_MALLOC;
1160	req->uint1 = flags;
1161	req->sv1 = SvREFCNT_inc (data);	1580	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1162	SvREADONLY_on (data);
1163	REQ_SEND;	1581	REQ_SEND;
1164	}	1582	}
1165		1583
1166	void	1584	void
1167	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)
1168	CODE:	1586	CODE:
		1587	if (SvREADONLY (data))
		1588	croak ("can't modify read-only data scalar in db_pget");
1169	{	1589	{
1170	dREQ (REQ_DB_PGET);	1590	dREQ (REQ_DB_PGET);
1171	req->db = db;	1591	req->db = db;
1172	req->txn = txn;	1592	req->txn = txn;
		1593	req->uint1 = flags;
1173	sv_to_dbt (&req->dbt1, key);	1594	sv_to_dbt (&req->dbt1, key);
1174	sv_to_dbt (&req->dbt2, pkey);	1595	sv_to_dbt (&req->dbt2, pkey);
1175	req->dbt3.flags = DB_DBT_MALLOC;	1596	req->dbt3.flags = DB_DBT_MALLOC;
		1597	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1598	REQ_SEND;
		1599	}
		1600
		1601	void
		1602	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1603	CODE:
		1604	{
		1605	dREQ (REQ_DB_DEL);
		1606	req->db = db;
		1607	req->txn = txn;
1176	req->uint1 = flags;	1608	req->uint1 = flags;
1177	req->sv1 = SvREFCNT_inc (data);	1609	sv_to_dbt (&req->dbt1, key);
1178	SvREADONLY_on (data);
1179	REQ_SEND;	1610	REQ_SEND;
1180	}	1611	}
1181		1612
1182	void	1613	void
1183	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1614	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
…		…
1198	req->txn = txn;	1629	req->txn = txn;
1199	REQ_SEND;	1630	REQ_SEND;
1200	ptr_nuke (ST (0));	1631	ptr_nuke (ST (0));
1201	}	1632	}
1202		1633
		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
		1646	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1647	CODE:
		1648	{
		1649	dREQ (REQ_C_CLOSE);
		1650	req->dbc = dbc;
		1651	REQ_SEND;
		1652	ptr_nuke (ST (0));
		1653	}
		1654
		1655	void
		1656	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1657	CODE:
		1658	{
		1659	dREQ (REQ_C_COUNT);
		1660	req->dbc = dbc;
		1661	req->sv1 = SvREFCNT_inc (count);
		1662	REQ_SEND;
		1663	}
		1664
		1665	void
		1666	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1667	CODE:
		1668	{
		1669	dREQ (REQ_C_PUT);
		1670	req->dbc = dbc;
		1671	sv_to_dbt (&req->dbt1, key);
		1672	sv_to_dbt (&req->dbt2, data);
		1673	req->uint1 = flags;
		1674	REQ_SEND;
		1675	}
		1676
		1677	void
		1678	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1679	CODE:
		1680	{
		1681	dREQ (REQ_C_GET);
		1682	req->dbc = dbc;
		1683	req->uint1 = flags;
		1684	if ((flags & DB_SET) == DB_SET
		1685	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1686	sv_to_dbt (&req->dbt1, key);
		1687	else
		1688	req->dbt1.flags = DB_DBT_MALLOC;
		1689
		1690	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1691
		1692	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1693	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1694	sv_to_dbt (&req->dbt3, data);
		1695	else
		1696	req->dbt3.flags = DB_DBT_MALLOC;
		1697
		1698	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1699	REQ_SEND;
		1700	}
		1701
		1702	void
		1703	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1704	CODE:
		1705	{
		1706	dREQ (REQ_C_PGET);
		1707	req->dbc = dbc;
		1708	req->uint1 = flags;
		1709	if ((flags & DB_SET) == DB_SET
		1710	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1711	sv_to_dbt (&req->dbt1, key);
		1712	else
		1713	req->dbt1.flags = DB_DBT_MALLOC;
		1714
		1715	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1716
		1717	req->dbt2.flags = DB_DBT_MALLOC;
		1718	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1719
		1720	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1721	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1722	sv_to_dbt (&req->dbt3, data);
		1723	else
		1724	req->dbt3.flags = DB_DBT_MALLOC;
		1725
		1726	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1727	REQ_SEND;
		1728	}
		1729
		1730	void
		1731	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1732	CODE:
		1733	{
		1734	dREQ (REQ_C_DEL);
		1735	req->dbc = dbc;
		1736	req->uint1 = flags;
		1737	REQ_SEND;
		1738	}
		1739
		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
1203		1788
1204	MODULE = BDB PACKAGE = BDB::Env	1789	MODULE = BDB PACKAGE = BDB::Env
1205		1790
1206	void	1791	void
1207	DESTROY (DB_ENV_ornull *env)	1792	DESTROY (DB_ENV_ornuked *env)
1208	CODE:	1793	CODE:
1209	if (env)	1794	if (env)
1210	env->close (env, 0);	1795	env->close (env, 0);
1211		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
1212	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)
1213	CODE:	1822	CODE:
1214	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1823	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1215	OUTPUT:	1824	OUTPUT:
1216	RETVAL	1825	RETVAL
1217		1826
1218	int set_flags (DB_ENV *env, U32 flags, int onoff)	1827	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1219	CODE:	1828	CODE:
1220	RETVAL = env->set_flags (env, flags, onoff);	1829	RETVAL = env->set_flags (env, flags, onoff);
1221	OUTPUT:	1830	OUTPUT:
1222	RETVAL	1831	RETVAL
1223		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
1224	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)
1225	CODE:	1848	CODE:
1226	RETVAL = env->set_encrypt (env, password, flags);	1849	RETVAL = env->set_encrypt (env, password, flags);
1227	OUTPUT:	1850	OUTPUT:
1228	RETVAL	1851	RETVAL
1229		1852
1230	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)
1231	CODE:	1854	CODE:
1232	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1855	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1233	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:
1234	RETVAL	1935	RETVAL
1235		1936
1236	DB_TXN *	1937	DB_TXN *
1237	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)
1238	CODE:	1939	CODE:
1239	errno = env->txn_begin (env, parent, &RETVAL, flags);	1940	errno = env->txn_begin (env, parent, &RETVAL, flags);
1240	if (errno)	1941	if (errno)
1241	croak ("txn_begin: %s", db_strerror (errno));	1942	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1242	OUTPUT:	1943	OUTPUT:
1243	RETVAL	1944	RETVAL
1244		1945
1245	MODULE = BDB PACKAGE = BDB::Db	1946	MODULE = BDB PACKAGE = BDB::Db
1246		1947
1247	void	1948	void
1248	DESTROY (DB_ornull *db)	1949	DESTROY (DB_ornuked *db)
1249	CODE:	1950	CODE:
1250	if (db)	1951	if (db)
1251	{	1952	{
1252	SV *env = (SV *)db->app_private;	1953	SV *env = (SV *)db->app_private;
1253	db->close (db, 0);	1954	db->close (db, 0);
…		…
1258	CODE:	1959	CODE:
1259	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1960	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1260	OUTPUT:	1961	OUTPUT:
1261	RETVAL	1962	RETVAL
1262		1963
1263	int set_flags (DB *db, U32 flags);	1964	int set_flags (DB *db, U32 flags)
1264	CODE:	1965	CODE:
1265	RETVAL = db->set_flags (db, flags);	1966	RETVAL = db->set_flags (db, flags);
1266	OUTPUT:	1967	OUTPUT:
1267	RETVAL	1968	RETVAL
1268		1969
…		…
1276	CODE:	1977	CODE:
1277	RETVAL = db->set_lorder (db, lorder);	1978	RETVAL = db->set_lorder (db, lorder);
1278	OUTPUT:	1979	OUTPUT:
1279	RETVAL	1980	RETVAL
1280		1981
1281
1282	int set_bt_minkey (DB *db, U32 minkey)	1982	int set_bt_minkey (DB *db, U32 minkey)
1283	CODE:	1983	CODE:
1284	RETVAL = db->set_bt_minkey (db, minkey);	1984	RETVAL = db->set_bt_minkey (db, minkey);
1285	OUTPUT:	1985	OUTPUT:
1286	RETVAL	1986	RETVAL
1287		1987
1288	int set_re_delim(DB *db, int delim);	1988	int set_re_delim (DB *db, int delim)
1289	CODE:	1989	CODE:
1290	RETVAL = db->set_re_delim (db, delim);	1990	RETVAL = db->set_re_delim (db, delim);
1291	OUTPUT:	1991	OUTPUT:
1292	RETVAL	1992	RETVAL
1293		1993
…		…
1325	CODE:	2025	CODE:
1326	RETVAL = db->set_q_extentsize (db, extentsize);	2026	RETVAL = db->set_q_extentsize (db, extentsize);
1327	OUTPUT:	2027	OUTPUT:
1328	RETVAL	2028	RETVAL
1329		2029
		2030	DBC *
		2031	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		2032	CODE:
		2033	errno = db->cursor (db, txn, &RETVAL, flags);
		2034	if (errno)
		2035	croak ("DB->cursor: %s", db_strerror (errno));
		2036	OUTPUT:
		2037	RETVAL
		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
		2050
1330	MODULE = BDB PACKAGE = BDB::Txn	2051	MODULE = BDB PACKAGE = BDB::Txn
1331		2052
1332	void	2053	void
1333	DESTROY (DB_TXN_ornull *txn)	2054	DESTROY (DB_TXN_ornuked *txn)
1334	CODE:	2055	CODE:
1335	if (txn)	2056	if (txn)
1336	txn->abort (txn);	2057	txn->abort (txn);
1337		2058
1338	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)
1339	CODE:	2060	CODE:
1340	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2061	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1341	OUTPUT:	2062	OUTPUT:
1342	RETVAL	2063	RETVAL
1343		2064
		2065	int failed (DB_TXN *txn)
		2066	CODE:
		2067	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2068	OUTPUT:
		2069	RETVAL
1344		2070
		2071
		2072	MODULE = BDB PACKAGE = BDB::Cursor
		2073
		2074	void
		2075	DESTROY (DBC_ornuked *dbc)
		2076	CODE:
		2077	if (dbc)
		2078	dbc->c_close (dbc);
		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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