[ViewVC] Diff of: cvs/BDB/BDB.xs

Comparing BDB/BDB.xs (file contents):
Revision 1.1 by root, Mon Feb 5 18:40:55 2007 UTC vs.
Revision 1.27 by root, Mon Dec 17 06:31:43 2007 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/select.h>
24	#include <sys/types.h>	21	#include <sys/types.h>
25	#include <sys/stat.h>
26	#include <limits.h>	22	#include <limits.h>
27	#include <unistd.h>
28	#include <fcntl.h>	23	#include <fcntl.h>
29	#include <signal.h>	24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
30	#include <sched.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
31		35
32	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
33	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
34		38
35	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
36	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
37	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
38	*/	42	typedef DB DB_ornull;
39	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
40	# if __i386 \|\| __x86_64	44
41	# define WORDACCESS_UNSAFE 0	45	typedef SV SV8; /* byte-sv, used for argument-checking */
42	# else	46	typedef char *octetstring;
43	# define WORDACCESS_UNSAFE 1	47
44	# endif	48	static SV *prepare_cb;
		49
		50	#if DB_VERSION_MINOR >= 6
		51	# define c_close close
		52	# define c_count count
		53	# define c_del del
		54	# define c_dup dup
		55	# define c_get get
		56	# define c_pget pget
		57	# define c_put put
45	#endif	58	#endif
46		59
47	typedef SV SV8; /* byte-sv, used for argument-checking */	60	static void
		61	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		62	{
		63	printf ("err[%s]\n", msg);
		64	}
48		65
		66	static void
		67	debug_msgcall (const DB_ENV dbenv, const char msg)
		68	{
		69	printf ("msg[%s]\n", msg);
		70	}
		71
		72	static char *
		73	strdup_ornull (const char *s)
		74	{
		75	return s ? strdup (s) : 0;
		76	}
		77
		78	static void
		79	sv_to_dbt (DBT dbt, SV sv)
		80	{
		81	STRLEN len;
		82	char *data = SvPVbyte (sv, len);
		83
		84	dbt->data = malloc (len);
		85	memcpy (dbt->data, data, len);
		86	dbt->size = len;
		87	dbt->flags = DB_DBT_REALLOC;
		88	}
		89
		90	static void
		91	dbt_to_sv (SV sv, DBT dbt)
		92	{
		93	if (sv)
		94	{
		95	SvREADONLY_off (sv);
		96	sv_setpvn_mg (sv, dbt->data, dbt->size);
		97	SvREFCNT_dec (sv);
		98	}
		99
		100	free (dbt->data);
		101	}
		102
49	enum {	103	enum {
50	REQ_QUIT,	104	REQ_QUIT,
		105	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		106	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
		107	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		108	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		109	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		110	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		111	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
51	};	112	};
52		113
53	#define AIO_CB \
54	struct aio_cb *volatile next; \
55	SV *callback; \
56	int type, pri
57
58	typedef struct aio_cb	114	typedef struct aio_cb
59	{	115	{
60	AIO_CB;	116	struct aio_cb *volatile next;
		117	SV *callback;
		118	int type, pri, result;
		119
		120	DB_ENV *env;
		121	DB *db;
		122	DB_TXN *txn;
		123	DBC *dbc;
		124
		125	UV uv1;
		126	int int1, int2;
		127	U32 uint1, uint2;
		128	char buf1, buf2;
		129	SV sv1, sv2, *sv3;
		130
		131	DBT dbt1, dbt2, dbt3;
		132	DB_KEY_RANGE key_range;
		133	DB_SEQUENCE *seq;
		134	db_seq_t seq_t;
61	} aio_cb;	135	} aio_cb;
62		136
63	typedef aio_cb *aio_req;	137	typedef aio_cb *aio_req;
64		138
65	enum {	139	enum {
85		159
86	static int next_pri = DEFAULT_PRI + PRI_BIAS;	160	static int next_pri = DEFAULT_PRI + PRI_BIAS;
87		161
88	static unsigned int started, idle, wanted;	162	static unsigned int started, idle, wanted;
89		163
90	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
91	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
92	#else
93	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
94	#endif
95
96	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
97	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
98
99	/* worker threads management */	164	/* worker threads management */
100	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	165	static mutex_t wrklock = X_MUTEX_INIT;
101		166
102	typedef struct worker {	167	typedef struct worker {
103	/* locked by wrklock */	168	/* locked by wrklock */
104	struct worker prev, next;	169	struct worker prev, next;
105		170
106	pthread_t tid;	171	thread_t tid;
107		172
108	/* locked by reslock, reqlock or wrklock */	173	/* locked by reslock, reqlock or wrklock */
109	aio_req req; /* currently processed request */	174	aio_req req; /* currently processed request */
110	void *dbuf;	175	void *dbuf;
111	DIR *dirp;	176	DIR *dirp;
…		…
126	}	191	}
127		192
128	static volatile unsigned int nreqs, nready, npending;	193	static volatile unsigned int nreqs, nready, npending;
129	static volatile unsigned int max_idle = 4;	194	static volatile unsigned int max_idle = 4;
130	static volatile unsigned int max_outstanding = 0xffffffff;	195	static volatile unsigned int max_outstanding = 0xffffffff;
131	static int respipe [2];	196	static int respipe_osf [2], respipe [2] = { -1, -1 };
132		197
133	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	198	static mutex_t reslock = X_MUTEX_INIT;
134	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	199	static mutex_t reqlock = X_MUTEX_INIT;
135	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	200	static cond_t reqwait = X_COND_INIT;
136		201
137	#if WORDACCESS_UNSAFE	202	#if WORDACCESS_UNSAFE
138		203
139	static unsigned int get_nready ()	204	static unsigned int get_nready ()
140	{	205	{
141	unsigned int retval;	206	unsigned int retval;
142		207
143	LOCK (reqlock);	208	X_LOCK (reqlock);
144	retval = nready;	209	retval = nready;
145	UNLOCK (reqlock);	210	X_UNLOCK (reqlock);
146		211
147	return retval;	212	return retval;
148	}	213	}
149		214
150	static unsigned int get_npending ()	215	static unsigned int get_npending ()
151	{	216	{
152	unsigned int retval;	217	unsigned int retval;
153		218
154	LOCK (reslock);	219	X_LOCK (reslock);
155	retval = npending;	220	retval = npending;
156	UNLOCK (reslock);	221	X_UNLOCK (reslock);
157		222
158	return retval;	223	return retval;
159	}	224	}
160		225
161	static unsigned int get_nthreads ()	226	static unsigned int get_nthreads ()
162	{	227	{
163	unsigned int retval;	228	unsigned int retval;
164		229
165	LOCK (wrklock);	230	X_LOCK (wrklock);
166	retval = started;	231	retval = started;
167	UNLOCK (wrklock);	232	X_UNLOCK (wrklock);
168		233
169	return retval;	234	return retval;
170	}	235	}
171		236
172	#else	237	#else
…		…
230		295
231	abort ();	296	abort ();
232	}	297	}
233		298
234	static int poll_cb ();	299	static int poll_cb ();
235	static int req_invoke (aio_req req);
236	static void req_free (aio_req req);	300	static void req_free (aio_req req);
237	static void req_cancel (aio_req req);	301	static void req_cancel (aio_req req);
238		302
239	static int req_invoke (aio_req req)	303	static int req_invoke (aio_req req)
240	{	304	{
…		…
243	if (SvOK (req->callback))	307	if (SvOK (req->callback))
244	{	308	{
245	ENTER;	309	ENTER;
246	SAVETMPS;	310	SAVETMPS;
247	PUSHMARK (SP);	311	PUSHMARK (SP);
248	EXTEND (SP, 1);
249		312
250	switch (req->type)	313	switch (req->type)
251	{	314	{
		315	case REQ_DB_CLOSE:
		316	SvREFCNT_dec (req->sv1);
		317	break;
		318
		319	case REQ_DB_GET:
		320	case REQ_DB_PGET:
		321	dbt_to_sv (req->sv3, &req->dbt3);
		322	break;
		323
		324	case REQ_C_GET:
		325	case REQ_C_PGET:
		326	dbt_to_sv (req->sv1, &req->dbt1);
		327	dbt_to_sv (req->sv2, &req->dbt2);
		328	dbt_to_sv (req->sv3, &req->dbt3);
		329	break;
		330
		331	case REQ_DB_PUT:
		332	case REQ_C_PUT:
		333	dbt_to_sv (0, &req->dbt1);
		334	dbt_to_sv (0, &req->dbt2);
		335	break;
		336
		337	case REQ_DB_KEY_RANGE:
		338	{
		339	AV *av = newAV ();
		340
		341	av_push (av, newSVnv (req->key_range.less));
		342	av_push (av, newSVnv (req->key_range.equal));
		343	av_push (av, newSVnv (req->key_range.greater));
		344
		345	SvREADONLY_off (req->sv1);
		346	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		347	SvREFCNT_dec (req->sv1);
		348	}
		349	break;
		350
		351	case REQ_SEQ_GET:
		352	SvREADONLY_off (req->sv1);
		353
		354	if (sizeof (IV) > 4)
		355	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		356	else
		357	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		358
		359	SvREFCNT_dec (req->sv1);
		360	break;
252	}	361	}
		362
		363	errno = req->result;
253		364
254	PUTBACK;	365	PUTBACK;
255	call_sv (req->callback, G_VOID \| G_EVAL);	366	call_sv (req->callback, G_VOID \| G_EVAL);
256	SPAGAIN;	367	SPAGAIN;
257		368
…		…
262	return !SvTRUE (ERRSV);	373	return !SvTRUE (ERRSV);
263	}	374	}
264		375
265	static void req_free (aio_req req)	376	static void req_free (aio_req req)
266	{	377	{
		378	free (req->buf1);
		379	free (req->buf2);
267	Safefree (req);	380	Safefree (req);
268	}	381	}
269		382
270	static void aio_proc(void arg);	383	#ifdef USE_SOCKETS_AS_HANDLES
		384	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		385	#else
		386	# define TO_SOCKET(x) (x)
		387	#endif
		388
		389	static void
		390	create_respipe ()
		391	{
		392	#ifdef _WIN32
		393	int arg; /* argg */
		394	#endif
		395	int old_readfd = respipe [0];
		396
		397	if (respipe [1] >= 0)
		398	respipe_close (TO_SOCKET (respipe [1]));
		399
		400	#ifdef _WIN32
		401	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		402	#else
		403	if (pipe (respipe))
		404	#endif
		405	croak ("unable to initialize result pipe");
		406
		407	if (old_readfd >= 0)
		408	{
		409	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		410	croak ("unable to initialize result pipe(2)");
		411
		412	respipe_close (respipe [0]);
		413	respipe [0] = old_readfd;
		414	}
		415
		416	#ifdef _WIN32
		417	arg = 1;
		418	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		419	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		420	#else
		421	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		422	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		423	#endif
		424	croak ("unable to initialize result pipe(3)");
		425
		426	respipe_osf [0] = TO_SOCKET (respipe [0]);
		427	respipe_osf [1] = TO_SOCKET (respipe [1]);
		428	}
		429
		430	X_THREAD_PROC (bdb_proc);
271		431
272	static void start_thread (void)	432	static void start_thread (void)
273	{	433	{
274	sigset_t fullsigset, oldsigset;
275	pthread_attr_t attr;
276
277	worker *wrk = calloc (1, sizeof (worker));	434	worker *wrk = calloc (1, sizeof (worker));
278		435
279	if (!wrk)	436	if (!wrk)
280	croak ("unable to allocate worker thread data");	437	croak ("unable to allocate worker thread data");
281		438
282	pthread_attr_init (&attr);
283	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
284	#ifdef PTHREAD_SCOPE_PROCESS
285	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
286	#endif
287
288	sigfillset (&fullsigset);
289
290	LOCK (wrklock);	439	X_LOCK (wrklock);
291	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
292
293	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	440	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
294	{	441	{
295	wrk->prev = &wrk_first;	442	wrk->prev = &wrk_first;
296	wrk->next = wrk_first.next;	443	wrk->next = wrk_first.next;
297	wrk_first.next->prev = wrk;	444	wrk_first.next->prev = wrk;
298	wrk_first.next = wrk;	445	wrk_first.next = wrk;
299	++started;	446	++started;
300	}	447	}
301	else	448	else
302	free (wrk);	449	free (wrk);
303		450
304	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
305	UNLOCK (wrklock);	451	X_UNLOCK (wrklock);
306	}	452	}
307		453
308	static void maybe_start_thread ()	454	static void maybe_start_thread ()
309	{	455	{
310	if (get_nthreads () >= wanted)	456	if (get_nthreads () >= wanted)
…		…
317	start_thread ();	463	start_thread ();
318	}	464	}
319		465
320	static void req_send (aio_req req)	466	static void req_send (aio_req req)
321	{	467	{
		468	SV *wait_callback = 0;
		469
		470	// synthesize callback if none given
		471	if (!SvOK (req->callback))
		472	{
		473	int count;
		474
		475	dSP;
		476	PUSHMARK (SP);
		477	PUTBACK;
		478	count = call_sv (prepare_cb, G_ARRAY);
		479	SPAGAIN;
		480
		481	if (count != 2)
		482	croak ("prepare callback must return exactly two values\n");
		483
		484	wait_callback = POPs;
		485	SvREFCNT_dec (req->callback);
		486	req->callback = SvREFCNT_inc (POPs);
		487	}
		488
322	++nreqs;	489	++nreqs;
323		490
324	LOCK (reqlock);	491	X_LOCK (reqlock);
325	++nready;	492	++nready;
326	reqq_push (&req_queue, req);	493	reqq_push (&req_queue, req);
327	pthread_cond_signal (&reqwait);	494	X_COND_SIGNAL (reqwait);
328	UNLOCK (reqlock);	495	X_UNLOCK (reqlock);
329		496
330	maybe_start_thread ();	497	maybe_start_thread ();
		498
		499	if (wait_callback)
		500	{
		501	dSP;
		502	PUSHMARK (SP);
		503	PUTBACK;
		504	call_sv (wait_callback, G_DISCARD);
		505	}
331	}	506	}
332		507
333	static void end_thread (void)	508	static void end_thread (void)
334	{	509	{
335	aio_req req;	510	aio_req req;
…		…
337	Newz (0, req, 1, aio_cb);	512	Newz (0, req, 1, aio_cb);
338		513
339	req->type = REQ_QUIT;	514	req->type = REQ_QUIT;
340	req->pri = PRI_MAX + PRI_BIAS;	515	req->pri = PRI_MAX + PRI_BIAS;
341		516
342	LOCK (reqlock);	517	X_LOCK (reqlock);
343	reqq_push (&req_queue, req);	518	reqq_push (&req_queue, req);
344	pthread_cond_signal (&reqwait);	519	X_COND_SIGNAL (reqwait);
345	UNLOCK (reqlock);	520	X_UNLOCK (reqlock);
346		521
347	LOCK (wrklock);	522	X_LOCK (wrklock);
348	--started;	523	--started;
349	UNLOCK (wrklock);	524	X_UNLOCK (wrklock);
350	}	525	}
351		526
352	static void set_max_idle (int nthreads)	527	static void set_max_idle (int nthreads)
353	{	528	{
354	if (WORDACCESS_UNSAFE) LOCK (reqlock);	529	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
355	max_idle = nthreads <= 0 ? 1 : nthreads;	530	max_idle = nthreads <= 0 ? 1 : nthreads;
356	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	531	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
357	}	532	}
358		533
359	static void min_parallel (int nthreads)	534	static void min_parallel (int nthreads)
360	{	535	{
361	if (wanted < nthreads)	536	if (wanted < nthreads)
…		…
376	fd_set rfd;	551	fd_set rfd;
377		552
378	while (nreqs)	553	while (nreqs)
379	{	554	{
380	int size;	555	int size;
381	if (WORDACCESS_UNSAFE) LOCK (reslock);	556	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
382	size = res_queue.size;	557	size = res_queue.size;
383	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	558	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
384		559
385	if (size)	560	if (size)
386	return;	561	return;
387		562
388	maybe_start_thread ();	563	maybe_start_thread ();
389		564
390	FD_ZERO(&rfd);	565	FD_ZERO (&rfd);
391	FD_SET(respipe [0], &rfd);	566	FD_SET (respipe [0], &rfd);
392		567
393	select (respipe [0] + 1, &rfd, 0, 0, 0);	568	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
394	}	569	}
395	}	570	}
396		571
397	static int poll_cb ()	572	static int poll_cb ()
398	{	573	{
…		…
410	{	585	{
411	for (;;)	586	for (;;)
412	{	587	{
413	maybe_start_thread ();	588	maybe_start_thread ();
414		589
415	LOCK (reslock);	590	X_LOCK (reslock);
416	req = reqq_shift (&res_queue);	591	req = reqq_shift (&res_queue);
417		592
418	if (req)	593	if (req)
419	{	594	{
420	--npending;	595	--npending;
421		596
422	if (!res_queue.size)	597	if (!res_queue.size)
423	{	598	{
424	/* read any signals sent by the worker threads */	599	/* read any signals sent by the worker threads */
425	char buf [4];	600	char buf [4];
426	while (read (respipe [0], buf, 4) == 4)	601	while (respipe_read (respipe [0], buf, 4) == 4)
427	;	602	;
428	}	603	}
429	}	604	}
430		605
431	UNLOCK (reslock);	606	X_UNLOCK (reslock);
432		607
433	if (!req)	608	if (!req)
434	break;	609	break;
435		610
436	--nreqs;	611	--nreqs;
…		…
466	}	641	}
467		642
468	return count;	643	return count;
469	}	644	}
470		645
471	static void create_pipe ()
472	{
473	if (pipe (respipe))
474	croak ("unable to initialize result pipe");
475
476	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
477	croak ("cannot set result pipe to nonblocking mode");
478
479	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
480	croak ("cannot set result pipe to nonblocking mode");
481	}
482
483	/*****************************************************************************/	646	/*****************************************************************************/
484		647
485	static void aio_proc (void thr_arg)	648	X_THREAD_PROC (bdb_proc)
486	{	649	{
487	aio_req req;	650	aio_req req;
488	struct timespec ts;	651	struct timespec ts;
489	worker self = (worker )thr_arg;	652	worker self = (worker )thr_arg;
490		653
491	/* try to distribute timeouts somewhat evenly */	654	/* try to distribute timeouts somewhat evenly */
492	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	655	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
493	* (1000000000UL / 1024UL);
494		656
495	for (;;)	657	for (;;)
496	{	658	{
497	ts.tv_sec = time (0) + IDLE_TIMEOUT;	659	ts.tv_sec = time (0) + IDLE_TIMEOUT;
498		660
499	LOCK (reqlock);	661	X_LOCK (reqlock);
500		662
501	for (;;)	663	for (;;)
502	{	664	{
503	self->req = req = reqq_shift (&req_queue);	665	self->req = req = reqq_shift (&req_queue);
504		666
505	if (req)	667	if (req)
506	break;	668	break;
507		669
508	++idle;	670	++idle;
509		671
510	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	672	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
511	== ETIMEDOUT)	673	== ETIMEDOUT)
512	{	674	{
513	if (idle > max_idle)	675	if (idle > max_idle)
514	{	676	{
515	--idle;	677	--idle;
516	UNLOCK (reqlock);	678	X_UNLOCK (reqlock);
517	LOCK (wrklock);	679	X_LOCK (wrklock);
518	--started;	680	--started;
519	UNLOCK (wrklock);	681	X_UNLOCK (wrklock);
520	goto quit;	682	goto quit;
521	}	683	}
522		684
523	/* we are allowed to idle, so do so without any timeout */	685	/* we are allowed to idle, so do so without any timeout */
524	pthread_cond_wait (&reqwait, &reqlock);	686	X_COND_WAIT (reqwait, reqlock);
525	ts.tv_sec = time (0) + IDLE_TIMEOUT;	687	ts.tv_sec = time (0) + IDLE_TIMEOUT;
526	}	688	}
527		689
528	--idle;	690	--idle;
529	}	691	}
530		692
531	--nready;	693	--nready;
532		694
533	UNLOCK (reqlock);	695	X_UNLOCK (reqlock);
534		696
535	errno = 0; /* strictly unnecessary */
536
537	switch (req->type)	697	switch (req->type)
538	{	698	{
539	case REQ_QUIT:	699	case REQ_QUIT:
		700	req->result = ENOSYS;
540	goto quit;	701	goto quit;
541		702
		703	case REQ_ENV_OPEN:
		704	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		705	break;
		706
		707	case REQ_ENV_CLOSE:
		708	req->result = req->env->close (req->env, req->uint1);
		709	break;
		710
		711	case REQ_ENV_TXN_CHECKPOINT:
		712	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		713	break;
		714
		715	case REQ_ENV_LOCK_DETECT:
		716	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		717	break;
		718
		719	case REQ_ENV_MEMP_SYNC:
		720	req->result = req->env->memp_sync (req->env, 0);
		721	break;
		722
		723	case REQ_ENV_MEMP_TRICKLE:
		724	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		725	break;
		726
		727	case REQ_DB_OPEN:
		728	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		729	break;
		730
		731	case REQ_DB_CLOSE:
		732	req->result = req->db->close (req->db, req->uint1);
		733	break;
		734
		735	case REQ_DB_COMPACT:
		736	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		737	break;
		738
		739	case REQ_DB_SYNC:
		740	req->result = req->db->sync (req->db, req->uint1);
		741	break;
		742
		743	case REQ_DB_UPGRADE:
		744	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		745	break;
		746
		747	case REQ_DB_PUT:
		748	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		749	break;
		750
		751	case REQ_DB_GET:
		752	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		753	break;
		754
		755	case REQ_DB_PGET:
		756	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		757	break;
		758
		759	case REQ_DB_DEL:
		760	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		761	break;
		762
		763	case REQ_DB_KEY_RANGE:
		764	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		765	break;
		766
		767	case REQ_TXN_COMMIT:
		768	req->result = req->txn->commit (req->txn, req->uint1);
		769	break;
		770
		771	case REQ_TXN_ABORT:
		772	req->result = req->txn->abort (req->txn);
		773	break;
		774
		775	case REQ_TXN_FINISH:
		776	if (req->txn->flags & TXN_DEADLOCK)
		777	{
		778	req->result = req->txn->abort (req->txn);
		779	if (!req->result)
		780	req->result = DB_LOCK_DEADLOCK;
		781	}
		782	else
		783	req->result = req->txn->commit (req->txn, req->uint1);
		784	break;
		785
		786	case REQ_C_CLOSE:
		787	req->result = req->dbc->c_close (req->dbc);
		788	break;
		789
		790	case REQ_C_COUNT:
		791	{
		792	db_recno_t recno;
		793	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		794	req->uv1 = recno;
		795	}
		796	break;
		797
		798	case REQ_C_PUT:
		799	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		800	break;
		801
		802	case REQ_C_GET:
		803	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		804	break;
		805
		806	case REQ_C_PGET:
		807	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		808	break;
		809
		810	case REQ_C_DEL:
		811	req->result = req->dbc->c_del (req->dbc, req->uint1);
		812	break;
		813
		814	case REQ_SEQ_OPEN:
		815	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		816	break;
		817
		818	case REQ_SEQ_CLOSE:
		819	req->result = req->seq->close (req->seq, req->uint1);
		820	break;
		821
		822	case REQ_SEQ_GET:
		823	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		824	break;
		825
		826	case REQ_SEQ_REMOVE:
		827	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		828	break;
		829
542	default:	830	default:
543	//req->result = ENOSYS;	831	req->result = ENOSYS;
544	break;	832	break;
545	}	833	}
546		834
547	//req->errorno = errno;	835	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		836	req->txn->flags \|= TXN_DEADLOCK;
548		837
549	LOCK (reslock);	838	X_LOCK (reslock);
550		839
551	++npending;	840	++npending;
552		841
553	if (!reqq_push (&res_queue, req))	842	if (!reqq_push (&res_queue, req))
554	/* write a dummy byte to the pipe so fh becomes ready */	843	/* write a dummy byte to the pipe so fh becomes ready */
555	write (respipe [1], &respipe, 1);	844	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
556		845
557	self->req = 0;	846	self->req = 0;
558	worker_clear (self);	847	worker_clear (self);
559		848
560	UNLOCK (reslock);	849	X_UNLOCK (reslock);
561	}	850	}
562		851
563	quit:	852	quit:
564	LOCK (wrklock);	853	X_LOCK (wrklock);
565	worker_free (self);	854	worker_free (self);
566	UNLOCK (wrklock);	855	X_UNLOCK (wrklock);
567		856
568	return 0;	857	return 0;
569	}	858	}
570		859
571	/*****************************************************************************/	860	/*****************************************************************************/
572		861
573	static void atfork_prepare (void)	862	static void atfork_prepare (void)
574	{	863	{
575	LOCK (wrklock);	864	X_LOCK (wrklock);
576	LOCK (reqlock);	865	X_LOCK (reqlock);
577	LOCK (reslock);	866	X_LOCK (reslock);
578	}	867	}
579		868
580	static void atfork_parent (void)	869	static void atfork_parent (void)
581	{	870	{
582	UNLOCK (reslock);	871	X_UNLOCK (reslock);
583	UNLOCK (reqlock);	872	X_UNLOCK (reqlock);
584	UNLOCK (wrklock);	873	X_UNLOCK (wrklock);
585	}	874	}
586		875
587	static void atfork_child (void)	876	static void atfork_child (void)
588	{	877	{
589	aio_req prv;	878	aio_req prv;
…		…
609	idle = 0;	898	idle = 0;
610	nreqs = 0;	899	nreqs = 0;
611	nready = 0;	900	nready = 0;
612	npending = 0;	901	npending = 0;
613		902
614	close (respipe [0]);
615	close (respipe [1]);
616	create_pipe ();	903	create_respipe ();
617		904
618	atfork_parent ();	905	atfork_parent ();
619	}	906	}
620		907
621	#define dREQ \	908	#define dREQ(reqtype) \
622	aio_req req; \	909	aio_req req; \
623	int req_pri = next_pri; \	910	int req_pri = next_pri; \
624	next_pri = DEFAULT_PRI + PRI_BIAS; \	911	next_pri = DEFAULT_PRI + PRI_BIAS; \
625	\	912	\
626	if (SvOK (callback) && !SvROK (callback)) \	913	if (SvOK (callback) && !SvROK (callback)) \
627	croak ("callback must be undef or of reference type"); \	914	croak ("callback must be undef or of reference type"); \
628	\	915	\
629	Newz (0, req, 1, aio_cb); \	916	Newz (0, req, 1, aio_cb); \
630	if (!req) \	917	if (!req) \
631	croak ("out of memory during aio_req allocation"); \	918	croak ("out of memory during aio_req allocation"); \
632	\	919	\
633	req->callback = newSVsv (callback); \	920	req->callback = newSVsv (callback); \
		921	req->type = (reqtype); \
634	req->pri = req_pri	922	req->pri = req_pri
635		923
636	#define REQ_SEND \	924	#define REQ_SEND \
637	req_send (req); \	925	req_send (req)
		926
		927	#define SvPTR(var, arg, type, class, nullok) \
		928	if (!SvOK (arg)) \
		929	{ \
		930	if (!nullok) \
		931	croak (# var " must be a " # class " object, not undef"); \
638	\	932	\
639	if (GIMME_V != G_VOID) \	933	(var) = 0; \
640	XPUSHs (req_sv (req, AIO_REQ_KLASS));	934	} \
641		935	else if (sv_derived_from ((arg), # class)) \
		936	{ \
		937	IV tmp = SvIV ((SV*) SvRV (arg)); \
		938	(var) = INT2PTR (type, tmp); \
		939	if (!var) \
		940	croak (# var " is not a valid " # class " object anymore"); \
		941	} \
		942	else \
		943	croak (# var " is not of type " # class); \
		944	\
		945
		946	static void
		947	ptr_nuke (SV *sv)
		948	{
		949	assert (SvROK (sv));
		950	sv_setiv (SvRV (sv), 0);
		951	}
		952
642	MODULE = BDB::AIO PACKAGE = BDB::AIO	953	MODULE = BDB PACKAGE = BDB
643		954
644	PROTOTYPES: ENABLE	955	PROTOTYPES: ENABLE
645		956
646	BOOT:	957	BOOT:
647	{	958	{
648	HV *stash = gv_stashpv ("BDB::AIO", 1);	959	HV *stash = gv_stashpv ("BDB", 1);
649		960
650	create_pipe ();	961	static const struct {
		962	const char *name;
		963	IV iv;
		964	} *civ, const_iv[] = {
		965	#define const_iv(name) { # name, (IV)DB_ ## name },
		966	const_iv (RPCCLIENT)
		967	const_iv (INIT_CDB)
		968	const_iv (INIT_LOCK)
		969	const_iv (INIT_LOG)
		970	const_iv (INIT_MPOOL)
		971	const_iv (INIT_REP)
		972	const_iv (INIT_TXN)
		973	const_iv (RECOVER)
		974	const_iv (INIT_TXN)
		975	const_iv (RECOVER_FATAL)
		976	const_iv (CREATE)
		977	const_iv (RDONLY)
		978	const_iv (USE_ENVIRON)
		979	const_iv (USE_ENVIRON_ROOT)
		980	const_iv (LOCKDOWN)
		981	const_iv (PRIVATE)
		982	const_iv (REGISTER)
		983	const_iv (SYSTEM_MEM)
		984	const_iv (AUTO_COMMIT)
		985	const_iv (CDB_ALLDB)
		986	const_iv (DIRECT_DB)
		987	const_iv (DIRECT_LOG)
		988	const_iv (DSYNC_DB)
		989	const_iv (DSYNC_LOG)
		990	const_iv (LOG_AUTOREMOVE)
		991	const_iv (LOG_INMEMORY)
		992	const_iv (NOLOCKING)
		993	const_iv (NOMMAP)
		994	const_iv (NOPANIC)
		995	const_iv (OVERWRITE)
		996	const_iv (PANIC_ENVIRONMENT)
		997	const_iv (REGION_INIT)
		998	const_iv (TIME_NOTGRANTED)
		999	const_iv (TXN_NOSYNC)
		1000	const_iv (TXN_NOT_DURABLE)
		1001	const_iv (TXN_WRITE_NOSYNC)
		1002	const_iv (WRITECURSOR)
		1003	const_iv (YIELDCPU)
		1004	const_iv (ENCRYPT_AES)
		1005	const_iv (XA_CREATE)
		1006	const_iv (BTREE)
		1007	const_iv (HASH)
		1008	const_iv (QUEUE)
		1009	const_iv (RECNO)
		1010	const_iv (UNKNOWN)
		1011	const_iv (EXCL)
		1012	const_iv (READ_COMMITTED)
		1013	const_iv (READ_UNCOMMITTED)
		1014	const_iv (TRUNCATE)
		1015	const_iv (NOSYNC)
		1016	const_iv (CHKSUM)
		1017	const_iv (ENCRYPT)
		1018	const_iv (DUP)
		1019	const_iv (DUPSORT)
		1020	const_iv (RECNUM)
		1021	const_iv (RENUMBER)
		1022	const_iv (REVSPLITOFF)
		1023	const_iv (INORDER)
		1024	const_iv (CONSUME)
		1025	const_iv (CONSUME_WAIT)
		1026	const_iv (GET_BOTH)
		1027	const_iv (GET_BOTH_RANGE)
		1028	//const_iv (SET_RECNO)
		1029	//const_iv (MULTIPLE)
		1030	const_iv (SNAPSHOT)
		1031	const_iv (JOIN_ITEM)
		1032	const_iv (JOIN_NOSORT)
		1033	const_iv (RMW)
		1034
		1035	const_iv (NOTFOUND)
		1036	const_iv (KEYEMPTY)
		1037	const_iv (LOCK_DEADLOCK)
		1038	const_iv (LOCK_NOTGRANTED)
		1039	const_iv (RUNRECOVERY)
		1040	const_iv (OLD_VERSION)
		1041	const_iv (REP_HANDLE_DEAD)
		1042	const_iv (REP_LOCKOUT)
		1043	const_iv (SECONDARY_BAD)
		1044
		1045	const_iv (FREE_SPACE)
		1046	const_iv (FREELIST_ONLY)
		1047
		1048	const_iv (APPEND)
		1049	const_iv (NODUPDATA)
		1050	const_iv (NOOVERWRITE)
		1051
		1052	const_iv (TXN_NOWAIT)
		1053	const_iv (TXN_SYNC)
		1054
		1055	const_iv (SET_LOCK_TIMEOUT)
		1056	const_iv (SET_TXN_TIMEOUT)
		1057
		1058	const_iv (FIRST)
		1059	const_iv (NEXT)
		1060	const_iv (NEXT_DUP)
		1061	const_iv (NEXT_NODUP)
		1062	const_iv (PREV)
		1063	const_iv (PREV_NODUP)
		1064	const_iv (SET)
		1065	const_iv (SET_RANGE)
		1066	const_iv (LAST)
		1067	const_iv (BEFORE)
		1068	const_iv (AFTER)
		1069	const_iv (CURRENT)
		1070	const_iv (KEYFIRST)
		1071	const_iv (KEYLAST)
		1072	const_iv (NODUPDATA)
		1073
		1074	const_iv (FORCE)
		1075
		1076	const_iv (LOCK_DEFAULT)
		1077	const_iv (LOCK_EXPIRE)
		1078	const_iv (LOCK_MAXLOCKS)
		1079	const_iv (LOCK_MAXWRITE)
		1080	const_iv (LOCK_MINLOCKS)
		1081	const_iv (LOCK_MINWRITE)
		1082	const_iv (LOCK_OLDEST)
		1083	const_iv (LOCK_RANDOM)
		1084	const_iv (LOCK_YOUNGEST)
		1085
		1086	const_iv (SEQ_DEC)
		1087	const_iv (SEQ_INC)
		1088	const_iv (SEQ_WRAP)
		1089
		1090	const_iv (BUFFER_SMALL)
		1091	const_iv (DONOTINDEX)
		1092	const_iv (KEYEMPTY )
		1093	const_iv (KEYEXIST )
		1094	const_iv (LOCK_DEADLOCK)
		1095	const_iv (LOCK_NOTGRANTED)
		1096	const_iv (LOG_BUFFER_FULL)
		1097	const_iv (NOSERVER)
		1098	const_iv (NOSERVER_HOME)
		1099	const_iv (NOSERVER_ID)
		1100	const_iv (NOTFOUND)
		1101	const_iv (PAGE_NOTFOUND)
		1102	const_iv (REP_DUPMASTER)
		1103	const_iv (REP_HANDLE_DEAD)
		1104	const_iv (REP_HOLDELECTION)
		1105	const_iv (REP_IGNORE)
		1106	const_iv (REP_ISPERM)
		1107	const_iv (REP_JOIN_FAILURE)
		1108	const_iv (REP_LOCKOUT)
		1109	const_iv (REP_NEWMASTER)
		1110	const_iv (REP_NEWSITE)
		1111	const_iv (REP_NOTPERM)
		1112	const_iv (REP_UNAVAIL)
		1113	const_iv (RUNRECOVERY)
		1114	const_iv (SECONDARY_BAD)
		1115	const_iv (VERIFY_BAD)
		1116	const_iv (VERSION_MISMATCH)
		1117
		1118	const_iv (VERB_DEADLOCK)
		1119	const_iv (VERB_RECOVERY)
		1120	const_iv (VERB_REGISTER)
		1121	const_iv (VERB_REPLICATION)
		1122	const_iv (VERB_WAITSFOR)
		1123
		1124	const_iv (VERSION_MAJOR)
		1125	const_iv (VERSION_MINOR)
		1126	const_iv (VERSION_PATCH)
		1127	#if DB_VERSION_MINOR >= 5
		1128	const_iv (MULTIVERSION)
		1129	const_iv (TXN_SNAPSHOT)
		1130	#endif
		1131	#if DB_VERSION_MINOR >= 6
		1132	const_iv (PREV_DUP)
		1133	const_iv (PRIORITY_UNCHANGED)
		1134	const_iv (PRIORITY_VERY_LOW)
		1135	const_iv (PRIORITY_LOW)
		1136	const_iv (PRIORITY_DEFAULT)
		1137	const_iv (PRIORITY_HIGH)
		1138	const_iv (PRIORITY_VERY_HIGH)
		1139	#endif
		1140	};
		1141
		1142	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		1143	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		1144
		1145	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1146	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1147
		1148	create_respipe ();
		1149
651	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1150	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1151	#ifdef _WIN32
		1152	X_MUTEX_CHECK (wrklock);
		1153	X_MUTEX_CHECK (reslock);
		1154	X_MUTEX_CHECK (reqlock);
		1155
		1156	X_COND_CHECK (reqwait);
		1157	#endif
652	}	1158	}
653		1159
654	void	1160	void
655	max_poll_reqs (int nreqs)	1161	max_poll_reqs (int nreqs)
656	PROTOTYPE: $	1162	PROTOTYPE: $
…		…
685	max_outstanding = maxreqs;	1191	max_outstanding = maxreqs;
686	OUTPUT:	1192	OUTPUT:
687	RETVAL	1193	RETVAL
688		1194
689	int	1195	int
690	bdbreq_pri (int pri = 0)	1196	dbreq_pri (int pri = 0)
691	PROTOTYPE: ;$	1197	PROTOTYPE: ;$
692	CODE:	1198	CODE:
693	RETVAL = next_pri - PRI_BIAS;	1199	RETVAL = next_pri - PRI_BIAS;
694	if (items > 0)	1200	if (items > 0)
695	{	1201	{
…		…
699	}	1205	}
700	OUTPUT:	1206	OUTPUT:
701	RETVAL	1207	RETVAL
702		1208
703	void	1209	void
704	bdbreq_nice (int nice = 0)	1210	dbreq_nice (int nice = 0)
705	CODE:	1211	CODE:
706	nice = next_pri - nice;	1212	nice = next_pri - nice;
707	if (nice < PRI_MIN) nice = PRI_MIN;	1213	if (nice < PRI_MIN) nice = PRI_MIN;
708	if (nice > PRI_MAX) nice = PRI_MAX;	1214	if (nice > PRI_MAX) nice = PRI_MAX;
709	next_pri = nice + PRI_BIAS;	1215	next_pri = nice + PRI_BIAS;
…		…
717	poll_wait ();	1223	poll_wait ();
718	poll_cb ();	1224	poll_cb ();
719	}	1225	}
720		1226
721	int	1227	int
722	poll()	1228	poll ()
723	PROTOTYPE:	1229	PROTOTYPE:
724	CODE:	1230	CODE:
725	poll_wait ();	1231	poll_wait ();
726	RETVAL = poll_cb ();	1232	RETVAL = poll_cb ();
727	OUTPUT:	1233	OUTPUT:
728	RETVAL	1234	RETVAL
729		1235
730	int	1236	int
731	poll_fileno()	1237	poll_fileno ()
732	PROTOTYPE:	1238	PROTOTYPE:
733	CODE:	1239	CODE:
734	RETVAL = respipe [0];	1240	RETVAL = respipe [0];
735	OUTPUT:	1241	OUTPUT:
736	RETVAL	1242	RETVAL
737		1243
738	int	1244	int
739	poll_cb(...)	1245	poll_cb (...)
740	PROTOTYPE:	1246	PROTOTYPE:
741	CODE:	1247	CODE:
742	RETVAL = poll_cb ();	1248	RETVAL = poll_cb ();
743	OUTPUT:	1249	OUTPUT:
744	RETVAL	1250	RETVAL
745		1251
746	void	1252	void
747	poll_wait()	1253	poll_wait ()
748	PROTOTYPE:	1254	PROTOTYPE:
749	CODE:	1255	CODE:
750	poll_wait ();	1256	poll_wait ();
751		1257
752	int	1258	int
753	nreqs()	1259	nreqs ()
754	PROTOTYPE:	1260	PROTOTYPE:
755	CODE:	1261	CODE:
756	RETVAL = nreqs;	1262	RETVAL = nreqs;
757	OUTPUT:	1263	OUTPUT:
758	RETVAL	1264	RETVAL
759		1265
760	int	1266	int
761	nready()	1267	nready ()
762	PROTOTYPE:	1268	PROTOTYPE:
763	CODE:	1269	CODE:
764	RETVAL = get_nready ();	1270	RETVAL = get_nready ();
765	OUTPUT:	1271	OUTPUT:
766	RETVAL	1272	RETVAL
767		1273
768	int	1274	int
769	npending()	1275	npending ()
770	PROTOTYPE:	1276	PROTOTYPE:
771	CODE:	1277	CODE:
772	RETVAL = get_npending ();	1278	RETVAL = get_npending ();
773	OUTPUT:	1279	OUTPUT:
774	RETVAL	1280	RETVAL
775		1281
776	int	1282	int
777	nthreads()	1283	nthreads ()
778	PROTOTYPE:	1284	PROTOTYPE:
779	CODE:	1285	CODE:
780	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1286	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
781	RETVAL = started;	1287	RETVAL = started;
782	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1288	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
783	OUTPUT:	1289	OUTPUT:
784	RETVAL	1290	RETVAL
785		1291
		1292	void
		1293	set_sync_prepare (SV *cb)
		1294	PROTOTYPE: &
		1295	CODE:
		1296	SvREFCNT_dec (prepare_cb);
		1297	prepare_cb = newSVsv (cb);
786		1298
		1299	char *
		1300	strerror (int errorno = errno)
		1301	PROTOTYPE: ;$
		1302	CODE:
		1303	RETVAL = db_strerror (errorno);
		1304	OUTPUT:
		1305	RETVAL
		1306
		1307	DB_ENV *
		1308	db_env_create (U32 env_flags = 0)
		1309	CODE:
		1310	{
		1311	errno = db_env_create (&RETVAL, env_flags);
		1312	if (errno)
		1313	croak ("db_env_create: %s", db_strerror (errno));
		1314
		1315	if (0)
		1316	{
		1317	RETVAL->set_errcall (RETVAL, debug_errcall);
		1318	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1319	}
		1320	}
		1321	OUTPUT:
		1322	RETVAL
		1323
		1324	void
		1325	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)
		1326	CODE:
		1327	{
		1328	dREQ (REQ_ENV_OPEN);
		1329
		1330	env->set_thread_count (env, wanted + 2);
		1331
		1332	req->env = env;
		1333	req->uint1 = open_flags \| DB_THREAD;
		1334	req->int1 = mode;
		1335	req->buf1 = strdup_ornull (db_home);
		1336	REQ_SEND;
		1337	}
		1338
		1339	void
		1340	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)
		1341	CODE:
		1342	{
		1343	dREQ (REQ_ENV_CLOSE);
		1344	req->env = env;
		1345	req->uint1 = flags;
		1346	REQ_SEND;
		1347	ptr_nuke (ST (0));
		1348	}
		1349
		1350	void
		1351	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)
		1352	CODE:
		1353	{
		1354	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1355	req->env = env;
		1356	req->uint1 = kbyte;
		1357	req->int1 = min;
		1358	req->uint2 = flags;
		1359	REQ_SEND;
		1360	}
		1361
		1362	void
		1363	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)
		1364	CODE:
		1365	{
		1366	dREQ (REQ_ENV_LOCK_DETECT);
		1367	req->env = env;
		1368	req->uint1 = flags;
		1369	req->uint2 = atype;
		1370	REQ_SEND;
		1371	}
		1372
		1373	void
		1374	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)
		1375	CODE:
		1376	{
		1377	dREQ (REQ_ENV_MEMP_SYNC);
		1378	req->env = env;
		1379	REQ_SEND;
		1380	}
		1381
		1382	void
		1383	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)
		1384	CODE:
		1385	{
		1386	dREQ (REQ_ENV_MEMP_TRICKLE);
		1387	req->env = env;
		1388	req->int1 = percent;
		1389	REQ_SEND;
		1390	}
		1391
		1392
		1393	DB *
		1394	db_create (DB_ENV *env = 0, U32 flags = 0)
		1395	CODE:
		1396	{
		1397	errno = db_create (&RETVAL, env, flags);
		1398	if (errno)
		1399	croak ("db_create: %s", db_strerror (errno));
		1400
		1401	if (RETVAL)
		1402	RETVAL->app_private = (void *)newSVsv (ST (0));
		1403	}
		1404	OUTPUT:
		1405	RETVAL
		1406
		1407	void
		1408	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
		1409	CODE:
		1410	{
		1411	dREQ (REQ_DB_OPEN);
		1412	req->db = db;
		1413	req->txn = txnid;
		1414	req->buf1 = strdup_ornull (file);
		1415	req->buf2 = strdup_ornull (database);
		1416	req->int1 = type;
		1417	req->uint1 = flags \| DB_THREAD;
		1418	req->int2 = mode;
		1419	REQ_SEND;
		1420	}
		1421
		1422	void
		1423	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)
		1424	CODE:
		1425	{
		1426	dREQ (REQ_DB_CLOSE);
		1427	req->db = db;
		1428	req->uint1 = flags;
		1429	req->sv1 = (SV *)db->app_private;
		1430	REQ_SEND;
		1431	ptr_nuke (ST (0));
		1432	}
		1433
		1434	void
		1435	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)
		1436	CODE:
		1437	{
		1438	dREQ (REQ_DB_COMPACT);
		1439	req->db = db;
		1440	req->txn = txn;
		1441	sv_to_dbt (&req->dbt1, start);
		1442	sv_to_dbt (&req->dbt2, stop);
		1443	req->uint1 = flags;
		1444	REQ_SEND;
		1445	}
		1446
		1447	void
		1448	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)
		1449	CODE:
		1450	{
		1451	dREQ (REQ_DB_SYNC);
		1452	req->db = db;
		1453	req->uint1 = flags;
		1454	REQ_SEND;
		1455	}
		1456
		1457	void
		1458	db_upgrade (DB db, octetstring file, U32 flags = 0, SV callback = &PL_sv_undef)
		1459	CODE:
		1460	{
		1461	dREQ (REQ_DB_SYNC);
		1462	req->db = db;
		1463	req->buf1 = strdup (file);
		1464	req->uint1 = flags;
		1465	REQ_SEND;
		1466	}
		1467
		1468	void
		1469	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1470	CODE:
		1471	{
		1472	dREQ (REQ_DB_KEY_RANGE);
		1473	req->db = db;
		1474	req->txn = txn;
		1475	sv_to_dbt (&req->dbt1, key);
		1476	req->uint1 = flags;
		1477	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1478	REQ_SEND;
		1479	}
		1480
		1481	void
		1482	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1483	CODE:
		1484	{
		1485	dREQ (REQ_DB_PUT);
		1486	req->db = db;
		1487	req->txn = txn;
		1488	sv_to_dbt (&req->dbt1, key);
		1489	sv_to_dbt (&req->dbt2, data);
		1490	req->uint1 = flags;
		1491	REQ_SEND;
		1492	}
		1493
		1494	void
		1495	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1496	CODE:
		1497	{
		1498	if (SvREADONLY (data))
		1499	croak ("can't modify read-only data scalar in db_get");
		1500
		1501	dREQ (REQ_DB_GET);
		1502	req->db = db;
		1503	req->txn = txn;
		1504	req->uint1 = flags;
		1505	sv_to_dbt (&req->dbt1, key);
		1506	req->dbt3.flags = DB_DBT_MALLOC;
		1507	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1508	REQ_SEND;
		1509	}
		1510
		1511	void
		1512	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1513	CODE:
		1514	{
		1515	if (SvREADONLY (data))
		1516	croak ("can't modify read-only data scalar in db_pget");
		1517
		1518	dREQ (REQ_DB_PGET);
		1519	req->db = db;
		1520	req->txn = txn;
		1521	req->uint1 = flags;
		1522	sv_to_dbt (&req->dbt1, key);
		1523	sv_to_dbt (&req->dbt2, pkey);
		1524	req->dbt3.flags = DB_DBT_MALLOC;
		1525	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1526	REQ_SEND;
		1527	}
		1528
		1529	void
		1530	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
		1531	CODE:
		1532	{
		1533	dREQ (REQ_DB_DEL);
		1534	req->db = db;
		1535	req->txn = txn;
		1536	req->uint1 = flags;
		1537	sv_to_dbt (&req->dbt1, key);
		1538	REQ_SEND;
		1539	}
		1540
		1541	void
		1542	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
		1543	CODE:
		1544	{
		1545	dREQ (REQ_TXN_COMMIT);
		1546	req->txn = txn;
		1547	req->uint1 = flags;
		1548	REQ_SEND;
		1549	ptr_nuke (ST (0));
		1550	}
		1551
		1552	void
		1553	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
		1554	CODE:
		1555	{
		1556	dREQ (REQ_TXN_ABORT);
		1557	req->txn = txn;
		1558	REQ_SEND;
		1559	ptr_nuke (ST (0));
		1560	}
		1561
		1562	void
		1563	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
		1564	CODE:
		1565	{
		1566	dREQ (REQ_TXN_FINISH);
		1567	req->txn = txn;
		1568	req->uint1 = flags;
		1569	REQ_SEND;
		1570	ptr_nuke (ST (0));
		1571	}
		1572
		1573	void
		1574	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
		1575	CODE:
		1576	{
		1577	dREQ (REQ_C_CLOSE);
		1578	req->dbc = dbc;
		1579	REQ_SEND;
		1580	ptr_nuke (ST (0));
		1581	}
		1582
		1583	void
		1584	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1585	CODE:
		1586	{
		1587	dREQ (REQ_C_COUNT);
		1588	req->dbc = dbc;
		1589	req->sv1 = SvREFCNT_inc (count);
		1590	REQ_SEND;
		1591	}
		1592
		1593	void
		1594	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1595	CODE:
		1596	{
		1597	dREQ (REQ_C_PUT);
		1598	req->dbc = dbc;
		1599	sv_to_dbt (&req->dbt1, key);
		1600	sv_to_dbt (&req->dbt2, data);
		1601	req->uint1 = flags;
		1602	REQ_SEND;
		1603	}
		1604
		1605	void
		1606	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1607	CODE:
		1608	{
		1609	dREQ (REQ_C_GET);
		1610	req->dbc = dbc;
		1611	req->uint1 = flags;
		1612	if ((flags & DB_SET) == DB_SET
		1613	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1614	sv_to_dbt (&req->dbt1, key);
		1615	else
		1616	req->dbt1.flags = DB_DBT_MALLOC;
		1617
		1618	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1619
		1620	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1621	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1622	sv_to_dbt (&req->dbt3, data);
		1623	else
		1624	req->dbt3.flags = DB_DBT_MALLOC;
		1625
		1626	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1627	REQ_SEND;
		1628	}
		1629
		1630	void
		1631	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1632	CODE:
		1633	{
		1634	dREQ (REQ_C_PGET);
		1635	req->dbc = dbc;
		1636	req->uint1 = flags;
		1637	if ((flags & DB_SET) == DB_SET
		1638	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1639	sv_to_dbt (&req->dbt1, key);
		1640	else
		1641	req->dbt1.flags = DB_DBT_MALLOC;
		1642
		1643	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1644
		1645	req->dbt2.flags = DB_DBT_MALLOC;
		1646	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1647
		1648	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1649	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1650	sv_to_dbt (&req->dbt3, data);
		1651	else
		1652	req->dbt3.flags = DB_DBT_MALLOC;
		1653
		1654	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1655	REQ_SEND;
		1656	}
		1657
		1658	void
		1659	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
		1660	CODE:
		1661	{
		1662	dREQ (REQ_C_DEL);
		1663	req->dbc = dbc;
		1664	req->uint1 = flags;
		1665	REQ_SEND;
		1666	}
		1667
		1668
		1669	void
		1670	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
		1671	CODE:
		1672	{
		1673	dREQ (REQ_SEQ_OPEN);
		1674	req->seq = seq;
		1675	req->txn = txnid;
		1676	req->uint1 = flags \| DB_THREAD;
		1677	sv_to_dbt (&req->dbt1, key);
		1678	REQ_SEND;
		1679	}
		1680
		1681	void
		1682	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)
		1683	CODE:
		1684	{
		1685	dREQ (REQ_SEQ_CLOSE);
		1686	req->seq = seq;
		1687	req->uint1 = flags;
		1688	REQ_SEND;
		1689	ptr_nuke (ST (0));
		1690	}
		1691
		1692	void
		1693	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)
		1694	CODE:
		1695	{
		1696	dREQ (REQ_SEQ_GET);
		1697	req->seq = seq;
		1698	req->txn = txnid;
		1699	req->int1 = delta;
		1700	req->uint1 = flags;
		1701	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1702	REQ_SEND;
		1703	}
		1704
		1705	void
		1706	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1707	CODE:
		1708	{
		1709	dREQ (REQ_SEQ_REMOVE);
		1710	req->seq = seq;
		1711	req->txn = txnid;
		1712	req->uint1 = flags;
		1713	REQ_SEND;
		1714	}
		1715
		1716
		1717	MODULE = BDB PACKAGE = BDB::Env
		1718
		1719	void
		1720	DESTROY (DB_ENV_ornull *env)
		1721	CODE:
		1722	if (env)
		1723	env->close (env, 0);
		1724
		1725	int set_data_dir (DB_ENV env, const char dir)
		1726	CODE:
		1727	RETVAL = env->set_data_dir (env, dir);
		1728	OUTPUT:
		1729	RETVAL
		1730
		1731	int set_tmp_dir (DB_ENV env, const char dir)
		1732	CODE:
		1733	RETVAL = env->set_tmp_dir (env, dir);
		1734	OUTPUT:
		1735	RETVAL
		1736
		1737	int set_lg_dir (DB_ENV env, const char dir)
		1738	CODE:
		1739	RETVAL = env->set_lg_dir (env, dir);
		1740	OUTPUT:
		1741	RETVAL
		1742
		1743	int set_shm_key (DB_ENV *env, long shm_key)
		1744	CODE:
		1745	RETVAL = env->set_shm_key (env, shm_key);
		1746	OUTPUT:
		1747	RETVAL
		1748
		1749	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		1750	CODE:
		1751	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		1752	OUTPUT:
		1753	RETVAL
		1754
		1755	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		1756	CODE:
		1757	RETVAL = env->set_flags (env, flags, onoff);
		1758	OUTPUT:
		1759	RETVAL
		1760
		1761	void set_errfile (DB_ENV env, FILE errfile = 0)
		1762	CODE:
		1763	env->set_errfile (env, errfile);
		1764
		1765	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		1766	CODE:
		1767	env->set_msgfile (env, msgfile);
		1768
		1769	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1770	CODE:
		1771	RETVAL = env->set_verbose (env, which, onoff);
		1772	OUTPUT:
		1773	RETVAL
		1774
		1775	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
		1776	CODE:
		1777	RETVAL = env->set_encrypt (env, password, flags);
		1778	OUTPUT:
		1779	RETVAL
		1780
		1781	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1782	CODE:
		1783	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1784	OUTPUT:
		1785	RETVAL
		1786
		1787	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1788	CODE:
		1789	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1790	OUTPUT:
		1791	RETVAL
		1792
		1793	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1794	CODE:
		1795	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1796	OUTPUT:
		1797	RETVAL
		1798
		1799	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1800	CODE:
		1801	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1802	OUTPUT:
		1803	RETVAL
		1804
		1805	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1806	CODE:
		1807	RETVAL = env->set_lk_detect (env, detect);
		1808	OUTPUT:
		1809	RETVAL
		1810
		1811	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1812	CODE:
		1813	RETVAL = env->set_lk_max_lockers (env, max);
		1814	OUTPUT:
		1815	RETVAL
		1816
		1817	int set_lk_max_locks (DB_ENV *env, U32 max)
		1818	CODE:
		1819	RETVAL = env->set_lk_max_locks (env, max);
		1820	OUTPUT:
		1821	RETVAL
		1822
		1823	int set_lk_max_objects (DB_ENV *env, U32 max)
		1824	CODE:
		1825	RETVAL = env->set_lk_max_objects (env, max);
		1826	OUTPUT:
		1827	RETVAL
		1828
		1829	int set_lg_bsize (DB_ENV *env, U32 max)
		1830	CODE:
		1831	RETVAL = env->set_lg_bsize (env, max);
		1832	OUTPUT:
		1833	RETVAL
		1834
		1835	int set_lg_max (DB_ENV *env, U32 max)
		1836	CODE:
		1837	RETVAL = env->set_lg_max (env, max);
		1838	OUTPUT:
		1839	RETVAL
		1840
		1841	int mutex_set_max (DB_ENV *env, U32 max)
		1842	CODE:
		1843	RETVAL = env->mutex_set_max (env, max);
		1844	OUTPUT:
		1845	RETVAL
		1846
		1847	int mutex_set_increment (DB_ENV *env, U32 increment)
		1848	CODE:
		1849	RETVAL = env->mutex_set_increment (env, increment);
		1850	OUTPUT:
		1851	RETVAL
		1852
		1853	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1854	CODE:
		1855	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1856	OUTPUT:
		1857	RETVAL
		1858
		1859	int mutex_set_align (DB_ENV *env, U32 align)
		1860	CODE:
		1861	RETVAL = env->mutex_set_align (env, align);
		1862	OUTPUT:
		1863	RETVAL
		1864
		1865	DB_TXN *
		1866	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
		1867	CODE:
		1868	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1869	if (errno)
		1870	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1871	OUTPUT:
		1872	RETVAL
		1873
		1874	MODULE = BDB PACKAGE = BDB::Db
		1875
		1876	void
		1877	DESTROY (DB_ornull *db)
		1878	CODE:
		1879	if (db)
		1880	{
		1881	SV env = (SV )db->app_private;
		1882	db->close (db, 0);
		1883	SvREFCNT_dec (env);
		1884	}
		1885
		1886	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		1887	CODE:
		1888	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		1889	OUTPUT:
		1890	RETVAL
		1891
		1892	int set_flags (DB *db, U32 flags)
		1893	CODE:
		1894	RETVAL = db->set_flags (db, flags);
		1895	OUTPUT:
		1896	RETVAL
		1897
		1898	int set_encrypt (DB db, const char password, U32 flags)
		1899	CODE:
		1900	RETVAL = db->set_encrypt (db, password, flags);
		1901	OUTPUT:
		1902	RETVAL
		1903
		1904	int set_lorder (DB *db, int lorder)
		1905	CODE:
		1906	RETVAL = db->set_lorder (db, lorder);
		1907	OUTPUT:
		1908	RETVAL
		1909
		1910	int set_bt_minkey (DB *db, U32 minkey)
		1911	CODE:
		1912	RETVAL = db->set_bt_minkey (db, minkey);
		1913	OUTPUT:
		1914	RETVAL
		1915
		1916	int set_re_delim (DB *db, int delim)
		1917	CODE:
		1918	RETVAL = db->set_re_delim (db, delim);
		1919	OUTPUT:
		1920	RETVAL
		1921
		1922	int set_re_pad (DB *db, int re_pad)
		1923	CODE:
		1924	RETVAL = db->set_re_pad (db, re_pad);
		1925	OUTPUT:
		1926	RETVAL
		1927
		1928	int set_re_source (DB db, char source)
		1929	CODE:
		1930	RETVAL = db->set_re_source (db, source);
		1931	OUTPUT:
		1932	RETVAL
		1933
		1934	int set_re_len (DB *db, U32 re_len)
		1935	CODE:
		1936	RETVAL = db->set_re_len (db, re_len);
		1937	OUTPUT:
		1938	RETVAL
		1939
		1940	int set_h_ffactor (DB *db, U32 h_ffactor)
		1941	CODE:
		1942	RETVAL = db->set_h_ffactor (db, h_ffactor);
		1943	OUTPUT:
		1944	RETVAL
		1945
		1946	int set_h_nelem (DB *db, U32 h_nelem)
		1947	CODE:
		1948	RETVAL = db->set_h_nelem (db, h_nelem);
		1949	OUTPUT:
		1950	RETVAL
		1951
		1952	int set_q_extentsize (DB *db, U32 extentsize)
		1953	CODE:
		1954	RETVAL = db->set_q_extentsize (db, extentsize);
		1955	OUTPUT:
		1956	RETVAL
		1957
		1958	DBC *
		1959	cursor (DB db, DB_TXN_ornull txn = 0, U32 flags = 0)
		1960	CODE:
		1961	errno = db->cursor (db, txn, &RETVAL, flags);
		1962	if (errno)
		1963	croak ("DB->cursor: %s", db_strerror (errno));
		1964	OUTPUT:
		1965	RETVAL
		1966
		1967	DB_SEQUENCE *
		1968	sequence (DB *db, U32 flags = 0)
		1969	CODE:
		1970	{
		1971	errno = db_sequence_create (&RETVAL, db, flags);
		1972	if (errno)
		1973	croak ("db_sequence_create: %s", db_strerror (errno));
		1974	}
		1975	OUTPUT:
		1976	RETVAL
		1977
		1978
		1979	MODULE = BDB PACKAGE = BDB::Txn
		1980
		1981	void
		1982	DESTROY (DB_TXN_ornull *txn)
		1983	CODE:
		1984	if (txn)
		1985	txn->abort (txn);
		1986
		1987	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1988	CODE:
		1989	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1990	OUTPUT:
		1991	RETVAL
		1992
		1993	int failed (DB_TXN *txn)
		1994	CODE:
		1995	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		1996	OUTPUT:
		1997	RETVAL
		1998
		1999
		2000	MODULE = BDB PACKAGE = BDB::Cursor
		2001
		2002	void
		2003	DESTROY (DBC_ornull *dbc)
		2004	CODE:
		2005	if (dbc)
		2006	dbc->c_close (dbc);
		2007
		2008	#if DB_VERSION_MINOR >= 6
		2009
		2010	int set_priority (DBC *dbc, int priority)
		2011	CODE:
		2012	dbc->set_priority (dbc, priority);
		2013
		2014	#endif
		2015
		2016	MODULE = BDB PACKAGE = BDB::Sequence
		2017
		2018	void
		2019	DESTROY (DB_SEQUENCE_ornull *seq)
		2020	CODE:
		2021	if (seq)
		2022	seq->close (seq, 0);
		2023
		2024	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2025	CODE:
		2026	RETVAL = seq->initial_value (seq, value);
		2027	OUTPUT:
		2028	RETVAL
		2029
		2030	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2031	CODE:
		2032	RETVAL = seq->set_cachesize (seq, size);
		2033	OUTPUT:
		2034	RETVAL
		2035
		2036	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2037	CODE:
		2038	RETVAL = seq->set_flags (seq, flags);
		2039	OUTPUT:
		2040	RETVAL
		2041
		2042	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2043	CODE:
		2044	RETVAL = seq->set_range (seq, min, max);
		2045	OUTPUT:
		2046	RETVAL
		2047

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Comparing BDB/BDB.xs (file contents): Revision 1.1 by root, Mon Feb 5 18:40:55 2007 UTC vs. Revision 1.27 by root, Mon Dec 17 06:31:43 2007 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.1 by root, Mon Feb 5 18:40:55 2007 UTC vs.
Revision 1.27 by root, Mon Dec 17 06:31:43 2007 UTC