ViewVC Help

View File | Revision Log | Show Annotations | Download File

/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 1.12 by root, Sun Jul 8 09:16:19 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
17	#include <pthread.h>
18		8
19	#include <stddef.h>	9	#include <stddef.h>
20	#include <stdlib.h>	10	#include <stdlib.h>
21	#include <errno.h>	11	#include <errno.h>
22	#include <sys/time.h>	12	#include <sys/time.h>
23	#include <sys/select.h>
24	#include <sys/types.h>	13	#include <sys/types.h>
25	#include <sys/stat.h>
26	#include <limits.h>	14	#include <limits.h>
27	#include <unistd.h>	15	#include <unistd.h>
28	#include <fcntl.h>	16	#include <fcntl.h>
29	#include <signal.h>	17
30	#include <sched.h>	18	#include <db.h>
		19
		20	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)
		21	# error you need Berkeley DB 4.5 or newer installed
		22	#endif
31		23
32	/* number of seconds after which idle threads exit */	24	/* number of seconds after which idle threads exit */
33	#define IDLE_TIMEOUT 10	25	#define IDLE_TIMEOUT 10
34		26
35	/* wether word reads are potentially non-atomic.	27	typedef DB_ENV DB_ENV_ornull;
36	* this is conservatice, likely most arches this runs	28	typedef DB_TXN DB_TXN_ornull;
37	* on have atomic word read/writes.	29	typedef DBC DBC_ornull;
38	*/	30	typedef DB DB_ornull;
39	#ifndef WORDACCESS_UNSAFE	31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
40	# if __i386 || __x86_64
41	# define WORDACCESS_UNSAFE 0
42	# else
43	# define WORDACCESS_UNSAFE 1
44	# endif
45	#endif
46		32
47	typedef SV SV8; /* byte-sv, used for argument-checking */	33	typedef SV SV8; /* byte-sv, used for argument-checking */
		34	typedef char *octetstring;
48		35
		36	static SV *prepare_cb;
		37
		38	static inline char *
		39	strdup_ornull (const char *s)
		40	{
		41	return s ? strdup (s) : 0;
		42	}
		43
		44	static inline void
		45	sv_to_dbt (DBT *dbt, SV *sv)
		46	{
		47	STRLEN len;
		48	char *data = SvPVbyte (sv, len);
		49
		50	dbt->data = malloc (len);
		51	memcpy (dbt->data, data, len);
		52	dbt->size = len;
		53	dbt->flags = DB_DBT_REALLOC;
		54	}
		55
		56	static inline void
		57	dbt_to_sv (SV *sv, DBT *dbt)
		58	{
		59	if (sv)
		60	{
		61	SvREADONLY_off (sv);
		62	sv_setpvn_mg (sv, dbt->data, dbt->size);
		63	SvREFCNT_dec (sv);
		64	}
		65
		66	free (dbt->data);
		67	}
		68
49	enum {	69	enum {
50	REQ_QUIT,	70	REQ_QUIT,
		71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		72	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
		73	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
		74	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		75	REQ_TXN_COMMIT, REQ_TXN_ABORT,
		76	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		77	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
51	};	78	};
52		79
53	#define AIO_CB \
54	struct aio_cb *volatile next; \
55	SV *callback; \
56	int type, pri
57
58	typedef struct aio_cb	80	typedef struct aio_cb
59	{	81	{
60	AIO_CB;	82	struct aio_cb *volatile next;
		83	SV *callback;
		84	int type, pri, result;
		85
		86	DB_ENV *env;
		87	DB *db;
		88	DB_TXN *txn;
		89	DBC *dbc;
		90
		91	UV uv1;
		92	int int1, int2;
		93	U32 uint1, uint2;
		94	char *buf1, *buf2;
		95	SV *sv1, *sv2, *sv3;
		96
		97	DBT dbt1, dbt2, dbt3;
		98	DB_KEY_RANGE key_range;
		99	DB_SEQUENCE *seq;
		100	db_seq_t seq_t;
61	} aio_cb;	101	} aio_cb;
62		102
63	typedef aio_cb *aio_req;	103	typedef aio_cb *aio_req;
64		104
65	enum {	105	enum {
…		…
85		125
86	static int next_pri = DEFAULT_PRI + PRI_BIAS;	126	static int next_pri = DEFAULT_PRI + PRI_BIAS;
87		127
88	static unsigned int started, idle, wanted;	128	static unsigned int started, idle, wanted;
89		129
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 */	130	/* worker threads management */
100	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	131	static mutex_t wrklock = X_MUTEX_INIT;
101		132
102	typedef struct worker {	133	typedef struct worker {
103	/* locked by wrklock */	134	/* locked by wrklock */
104	struct worker *prev, *next;	135	struct worker *prev, *next;
105		136
106	pthread_t tid;	137	thread_t tid;
107		138
108	/* locked by reslock, reqlock or wrklock */	139	/* locked by reslock, reqlock or wrklock */
109	aio_req req; /* currently processed request */	140	aio_req req; /* currently processed request */
110	void *dbuf;	141	void *dbuf;
111	DIR *dirp;	142	DIR *dirp;
…		…
128	static volatile unsigned int nreqs, nready, npending;	159	static volatile unsigned int nreqs, nready, npending;
129	static volatile unsigned int max_idle = 4;	160	static volatile unsigned int max_idle = 4;
130	static volatile unsigned int max_outstanding = 0xffffffff;	161	static volatile unsigned int max_outstanding = 0xffffffff;
131	static int respipe [2];	162	static int respipe [2];
132		163
133	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	164	static mutex_t reslock = X_MUTEX_INIT;
134	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	165	static mutex_t reqlock = X_MUTEX_INIT;
135	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	166	static cond_t reqwait = X_COND_INIT;
136		167
137	#if WORDACCESS_UNSAFE	168	#if WORDACCESS_UNSAFE
138		169
139	static unsigned int get_nready ()	170	static unsigned int get_nready ()
140	{	171	{
141	unsigned int retval;	172	unsigned int retval;
142		173
143	LOCK (reqlock);	174	X_LOCK (reqlock);
144	retval = nready;	175	retval = nready;
145	UNLOCK (reqlock);	176	X_UNLOCK (reqlock);
146		177
147	return retval;	178	return retval;
148	}	179	}
149		180
150	static unsigned int get_npending ()	181	static unsigned int get_npending ()
151	{	182	{
152	unsigned int retval;	183	unsigned int retval;
153		184
154	LOCK (reslock);	185	X_LOCK (reslock);
155	retval = npending;	186	retval = npending;
156	UNLOCK (reslock);	187	X_UNLOCK (reslock);
157		188
158	return retval;	189	return retval;
159	}	190	}
160		191
161	static unsigned int get_nthreads ()	192	static unsigned int get_nthreads ()
162	{	193	{
163	unsigned int retval;	194	unsigned int retval;
164		195
165	LOCK (wrklock);	196	X_LOCK (wrklock);
166	retval = started;	197	retval = started;
167	UNLOCK (wrklock);	198	X_UNLOCK (wrklock);
168		199
169	return retval;	200	return retval;
170	}	201	}
171		202
172	#else	203	#else
…		…
230		261
231	abort ();	262	abort ();
232	}	263	}
233		264
234	static int poll_cb ();	265	static int poll_cb ();
235	static int req_invoke (aio_req req);
236	static void req_free (aio_req req);	266	static void req_free (aio_req req);
237	static void req_cancel (aio_req req);	267	static void req_cancel (aio_req req);
238		268
239	static int req_invoke (aio_req req)	269	static int req_invoke (aio_req req)
240	{	270	{
…		…
243	if (SvOK (req->callback))	273	if (SvOK (req->callback))
244	{	274	{
245	ENTER;	275	ENTER;
246	SAVETMPS;	276	SAVETMPS;
247	PUSHMARK (SP);	277	PUSHMARK (SP);
248	EXTEND (SP, 1);
249		278
250	switch (req->type)	279	switch (req->type)
251	{	280	{
		281	case REQ_DB_CLOSE:
		282	SvREFCNT_dec (req->sv1);
		283	break;
		284
		285	case REQ_DB_GET:
		286	case REQ_DB_PGET:
		287	dbt_to_sv (req->sv3, &req->dbt3);
		288	break;
		289
		290	case REQ_C_GET:
		291	case REQ_C_PGET:
		292	dbt_to_sv (req->sv1, &req->dbt1);
		293	dbt_to_sv (req->sv2, &req->dbt2);
		294	dbt_to_sv (req->sv3, &req->dbt3);
		295	break;
		296
		297	case REQ_DB_KEY_RANGE:
		298	{
		299	AV *av = newAV ();
		300
		301	av_push (av, newSVnv (req->key_range.less));
		302	av_push (av, newSVnv (req->key_range.equal));
		303	av_push (av, newSVnv (req->key_range.greater));
		304
		305	SvREADONLY_off (req->sv1);
		306	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		307	SvREFCNT_dec (req->sv1);
		308	}
		309	break;
		310
		311	case REQ_SEQ_GET:
		312	SvREADONLY_off (req->sv1);
		313
		314	if (sizeof (IV) > 4)
		315	sv_setiv_mg (req->sv1, req->seq_t);
		316	else
		317	sv_setnv_mg (req->sv1, req->seq_t);
		318
		319	SvREFCNT_dec (req->sv1);
		320	break;
252	}	321	}
		322
		323	errno = req->result;
253		324
254	PUTBACK;	325	PUTBACK;
255	call_sv (req->callback, G_VOID | G_EVAL);	326	call_sv (req->callback, G_VOID | G_EVAL);
256	SPAGAIN;	327	SPAGAIN;
257		328
…		…
262	return !SvTRUE (ERRSV);	333	return !SvTRUE (ERRSV);
263	}	334	}
264		335
265	static void req_free (aio_req req)	336	static void req_free (aio_req req)
266	{	337	{
		338	free (req->buf1);
		339	free (req->buf2);
267	Safefree (req);	340	Safefree (req);
268	}	341	}
269		342
270	static void *aio_proc(void *arg);	343	static void *aio_proc (void *arg);
271		344
272	static void start_thread (void)	345	static void start_thread (void)
273	{	346	{
274	sigset_t fullsigset, oldsigset;
275	pthread_attr_t attr;
276
277	worker *wrk = calloc (1, sizeof (worker));	347	worker *wrk = calloc (1, sizeof (worker));
278		348
279	if (!wrk)	349	if (!wrk)
280	croak ("unable to allocate worker thread data");	350	croak ("unable to allocate worker thread data");
281		351
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);	352	X_LOCK (wrklock);
291	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
292
293	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
294	{	354	{
295	wrk->prev = &wrk_first;	355	wrk->prev = &wrk_first;
296	wrk->next = wrk_first.next;	356	wrk->next = wrk_first.next;
297	wrk_first.next->prev = wrk;	357	wrk_first.next->prev = wrk;
298	wrk_first.next = wrk;	358	wrk_first.next = wrk;
299	++started;	359	++started;
300	}	360	}
301	else	361	else
302	free (wrk);	362	free (wrk);
303		363
304	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
305	UNLOCK (wrklock);	364	X_UNLOCK (wrklock);
306	}	365	}
307		366
308	static void maybe_start_thread ()	367	static void maybe_start_thread ()
309	{	368	{
310	if (get_nthreads () >= wanted)	369	if (get_nthreads () >= wanted)
…		…
317	start_thread ();	376	start_thread ();
318	}	377	}
319		378
320	static void req_send (aio_req req)	379	static void req_send (aio_req req)
321	{	380	{
		381	SV *wait_callback = 0;
		382
		383	// synthesize callback if none given
		384	if (!SvOK (req->callback))
		385	{
		386	dSP;
		387	PUSHMARK (SP);
		388	PUTBACK;
		389	int count = call_sv (prepare_cb, G_ARRAY);
		390	SPAGAIN;
		391
		392	if (count != 2)
		393	croak ("prepare callback must return exactly two values\n");
		394
		395	wait_callback = SvREFCNT_inc (POPs);
		396	SvREFCNT_dec (req->callback);
		397	req->callback = SvREFCNT_inc (POPs);
		398	}
		399
322	++nreqs;	400	++nreqs;
323		401
324	LOCK (reqlock);	402	X_LOCK (reqlock);
325	++nready;	403	++nready;
326	reqq_push (&req_queue, req);	404	reqq_push (&req_queue, req);
327	pthread_cond_signal (&reqwait);	405	X_COND_SIGNAL (reqwait);
328	UNLOCK (reqlock);	406	X_UNLOCK (reqlock);
329		407
330	maybe_start_thread ();	408	maybe_start_thread ();
		409
		410	if (wait_callback)
		411	{
		412	dSP;
		413	PUSHMARK (SP);
		414	PUTBACK;
		415	call_sv (wait_callback, G_DISCARD);
		416	SvREFCNT_dec (wait_callback);
		417	}
331	}	418	}
332		419
333	static void end_thread (void)	420	static void end_thread (void)
334	{	421	{
335	aio_req req;	422	aio_req req;
…		…
337	Newz (0, req, 1, aio_cb);	424	Newz (0, req, 1, aio_cb);
338		425
339	req->type = REQ_QUIT;	426	req->type = REQ_QUIT;
340	req->pri = PRI_MAX + PRI_BIAS;	427	req->pri = PRI_MAX + PRI_BIAS;
341		428
342	LOCK (reqlock);	429	X_LOCK (reqlock);
343	reqq_push (&req_queue, req);	430	reqq_push (&req_queue, req);
344	pthread_cond_signal (&reqwait);	431	X_COND_SIGNAL (reqwait);
345	UNLOCK (reqlock);	432	X_UNLOCK (reqlock);
346		433
347	LOCK (wrklock);	434	X_LOCK (wrklock);
348	--started;	435	--started;
349	UNLOCK (wrklock);	436	X_UNLOCK (wrklock);
350	}	437	}
351		438
352	static void set_max_idle (int nthreads)	439	static void set_max_idle (int nthreads)
353	{	440	{
354	if (WORDACCESS_UNSAFE) LOCK (reqlock);	441	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
355	max_idle = nthreads <= 0 ? 1 : nthreads;	442	max_idle = nthreads <= 0 ? 1 : nthreads;
356	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	443	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
357	}	444	}
358		445
359	static void min_parallel (int nthreads)	446	static void min_parallel (int nthreads)
360	{	447	{
361	if (wanted < nthreads)	448	if (wanted < nthreads)
…		…
376	fd_set rfd;	463	fd_set rfd;
377		464
378	while (nreqs)	465	while (nreqs)
379	{	466	{
380	int size;	467	int size;
381	if (WORDACCESS_UNSAFE) LOCK (reslock);	468	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
382	size = res_queue.size;	469	size = res_queue.size;
383	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	470	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
384		471
385	if (size)	472	if (size)
386	return;	473	return;
387		474
388	maybe_start_thread ();	475	maybe_start_thread ();
…		…
410	{	497	{
411	for (;;)	498	for (;;)
412	{	499	{
413	maybe_start_thread ();	500	maybe_start_thread ();
414		501
415	LOCK (reslock);	502	X_LOCK (reslock);
416	req = reqq_shift (&res_queue);	503	req = reqq_shift (&res_queue);
417		504
418	if (req)	505	if (req)
419	{	506	{
420	--npending;	507	--npending;
…		…
426	while (read (respipe [0], buf, 4) == 4)	513	while (read (respipe [0], buf, 4) == 4)
427	;	514	;
428	}	515	}
429	}	516	}
430		517
431	UNLOCK (reslock);	518	X_UNLOCK (reslock);
432		519
433	if (!req)	520	if (!req)
434	break;	521	break;
435		522
436	--nreqs;	523	--nreqs;
…		…
466	}	553	}
467		554
468	return count;	555	return count;
469	}	556	}
470		557
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	/*****************************************************************************/	558	/*****************************************************************************/
484		559
485	static void *aio_proc (void *thr_arg)	560	static void *aio_proc (void *thr_arg)
486	{	561	{
487	aio_req req;	562	aio_req req;
…		…
494		569
495	for (;;)	570	for (;;)
496	{	571	{
497	ts.tv_sec = time (0) + IDLE_TIMEOUT;	572	ts.tv_sec = time (0) + IDLE_TIMEOUT;
498		573
499	LOCK (reqlock);	574	X_LOCK (reqlock);
500		575
501	for (;;)	576	for (;;)
502	{	577	{
503	self->req = req = reqq_shift (&req_queue);	578	self->req = req = reqq_shift (&req_queue);
504		579
505	if (req)	580	if (req)
506	break;	581	break;
507		582
508	++idle;	583	++idle;
509		584
510	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	585	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
511	== ETIMEDOUT)	586	== ETIMEDOUT)
512	{	587	{
513	if (idle > max_idle)	588	if (idle > max_idle)
514	{	589	{
515	--idle;	590	--idle;
516	UNLOCK (reqlock);	591	X_UNLOCK (reqlock);
517	LOCK (wrklock);	592	X_LOCK (wrklock);
518	--started;	593	--started;
519	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
520	goto quit;	595	goto quit;
521	}	596	}
522		597
523	/* we are allowed to idle, so do so without any timeout */	598	/* we are allowed to idle, so do so without any timeout */
524	pthread_cond_wait (&reqwait, &reqlock);	599	X_COND_WAIT (reqwait, reqlock);
525	ts.tv_sec = time (0) + IDLE_TIMEOUT;	600	ts.tv_sec = time (0) + IDLE_TIMEOUT;
526	}	601	}
527		602
528	--idle;	603	--idle;
529	}	604	}
530		605
531	--nready;	606	--nready;
532		607
533	UNLOCK (reqlock);	608	X_UNLOCK (reqlock);
534		609
535	errno = 0; /* strictly unnecessary */
536
537	switch (req->type)	610	switch (req->type)
538	{	611	{
539	case REQ_QUIT:	612	case REQ_QUIT:
540	goto quit;	613	goto quit;
541		614
		615	case REQ_ENV_OPEN:
		616	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		617	break;
		618
		619	case REQ_ENV_CLOSE:
		620	req->result = req->env->close (req->env, req->uint1);
		621	break;
		622
		623	case REQ_ENV_TXN_CHECKPOINT:
		624	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		625	break;
		626
		627	case REQ_ENV_LOCK_DETECT:
		628	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		629	break;
		630
		631	case REQ_ENV_MEMP_SYNC:
		632	req->result = req->env->memp_sync (req->env, 0);
		633	break;
		634
		635	case REQ_ENV_MEMP_TRICKLE:
		636	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		637	break;
		638
		639	case REQ_DB_OPEN:
		640	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		641	break;
		642
		643	case REQ_DB_CLOSE:
		644	req->result = req->db->close (req->db, req->uint1);
		645	break;
		646
		647	case REQ_DB_COMPACT:
		648	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		649	break;
		650
		651	case REQ_DB_SYNC:
		652	req->result = req->db->sync (req->db, req->uint1);
		653	break;
		654
		655	case REQ_DB_PUT:
		656	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		657	break;
		658
		659	case REQ_DB_GET:
		660	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		661	break;
		662
		663	case REQ_DB_PGET:
		664	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		665	break;
		666
		667	case REQ_DB_DEL:
		668	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		669	break;
		670
		671	case REQ_DB_KEY_RANGE:
		672	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		673	break;
		674
		675	case REQ_TXN_COMMIT:
		676	req->result = req->txn->commit (req->txn, req->uint1);
		677	break;
		678
		679	case REQ_TXN_ABORT:
		680	req->result = req->txn->abort (req->txn);
		681	break;
		682
		683	case REQ_C_CLOSE:
		684	req->result = req->dbc->c_close (req->dbc);
		685	break;
		686
		687	case REQ_C_COUNT:
		688	{
		689	db_recno_t recno;
		690	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		691	req->uv1 = recno;
		692	}
		693	break;
		694
		695	case REQ_C_PUT:
		696	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		697	break;
		698
		699	case REQ_C_GET:
		700	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		701	break;
		702
		703	case REQ_C_PGET:
		704	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		705	break;
		706
		707	case REQ_C_DEL:
		708	req->result = req->dbc->c_del (req->dbc, req->uint1);
		709	break;
		710
		711	case REQ_SEQ_OPEN:
		712	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		713	break;
		714
		715	case REQ_SEQ_CLOSE:
		716	req->result = req->seq->close (req->seq, req->uint1);
		717	break;
		718
		719	case REQ_SEQ_GET:
		720	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		721	break;
		722
		723	case REQ_SEQ_REMOVE:
		724	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		725	break;
		726
542	default:	727	default:
543	//req->result = ENOSYS;	728	req->result = ENOSYS;
544	break;	729	break;
545	}	730	}
546		731
547	//req->errorno = errno;
548
549	LOCK (reslock);	732	X_LOCK (reslock);
550		733
551	++npending;	734	++npending;
552		735
553	if (!reqq_push (&res_queue, req))	736	if (!reqq_push (&res_queue, req))
554	/* write a dummy byte to the pipe so fh becomes ready */	737	/* write a dummy byte to the pipe so fh becomes ready */
555	write (respipe [1], &respipe, 1);	738	write (respipe [1], &respipe, 1);
556		739
557	self->req = 0;	740	self->req = 0;
558	worker_clear (self);	741	worker_clear (self);
559		742
560	UNLOCK (reslock);	743	X_UNLOCK (reslock);
561	}	744	}
562		745
563	quit:	746	quit:
564	LOCK (wrklock);	747	X_LOCK (wrklock);
565	worker_free (self);	748	worker_free (self);
566	UNLOCK (wrklock);	749	X_UNLOCK (wrklock);
567		750
568	return 0;	751	return 0;
569	}	752	}
570		753
571	/*****************************************************************************/	754	/*****************************************************************************/
572		755
573	static void atfork_prepare (void)	756	static void atfork_prepare (void)
574	{	757	{
575	LOCK (wrklock);	758	X_LOCK (wrklock);
576	LOCK (reqlock);	759	X_LOCK (reqlock);
577	LOCK (reslock);	760	X_LOCK (reslock);
578	}	761	}
579		762
580	static void atfork_parent (void)	763	static void atfork_parent (void)
581	{	764	{
582	UNLOCK (reslock);	765	X_UNLOCK (reslock);
583	UNLOCK (reqlock);	766	X_UNLOCK (reqlock);
584	UNLOCK (wrklock);	767	X_UNLOCK (wrklock);
585	}	768	}
586		769
587	static void atfork_child (void)	770	static void atfork_child (void)
588	{	771	{
589	aio_req prv;	772	aio_req prv;
…		…
611	nready = 0;	794	nready = 0;
612	npending = 0;	795	npending = 0;
613		796
614	close (respipe [0]);	797	close (respipe [0]);
615	close (respipe [1]);	798	close (respipe [1]);
616	create_pipe ();	799
		800	if (!create_pipe (respipe))
		801	croak ("unable to initialize result pipe");
617		802
618	atfork_parent ();	803	atfork_parent ();
619	}	804	}
620		805
621	#define dREQ \	806	#define dREQ(reqtype) \
622	aio_req req; \	807	aio_req req; \
623	int req_pri = next_pri; \	808	int req_pri = next_pri; \
624	next_pri = DEFAULT_PRI + PRI_BIAS; \	809	next_pri = DEFAULT_PRI + PRI_BIAS; \
625	\	810	\
626	if (SvOK (callback) && !SvROK (callback)) \	811	if (SvOK (callback) && !SvROK (callback)) \
627	croak ("callback must be undef or of reference type"); \	812	croak ("callback must be undef or of reference type"); \
628	\	813	\
629	Newz (0, req, 1, aio_cb); \	814	Newz (0, req, 1, aio_cb); \
630	if (!req) \	815	if (!req) \
631	croak ("out of memory during aio_req allocation"); \	816	croak ("out of memory during aio_req allocation"); \
632	\	817	\
633	req->callback = newSVsv (callback); \	818	req->callback = newSVsv (callback); \
		819	req->type = (reqtype); \
634	req->pri = req_pri	820	req->pri = req_pri
635		821
636	#define REQ_SEND \	822	#define REQ_SEND \
637	req_send (req); \	823	req_send (req)
		824
		825	#define SvPTR(var, arg, type, class, nullok) \
		826	if (!SvOK (arg)) \
		827	{ \
		828	if (!nullok) \
		829	croak (# var " must be a " # class " object, not undef"); \
638	\	830	\
639	if (GIMME_V != G_VOID) \	831	(var) = 0; \
640	XPUSHs (req_sv (req, AIO_REQ_KLASS));	832	} \
641		833	else if (sv_derived_from ((arg), # class)) \
		834	{ \
		835	IV tmp = SvIV ((SV*) SvRV (arg)); \
		836	(var) = INT2PTR (type, tmp); \
		837	if (!var) \
		838	croak (# var " is not a valid " # class " object anymore"); \
		839	} \
		840	else \
		841	croak (# var " is not of type " # class); \
		842	\
		843
		844	static void
		845	ptr_nuke (SV *sv)
		846	{
		847	assert (SvROK (sv));
		848	sv_setiv (SvRV (sv), 0);
		849	}
		850
642	MODULE = BDB::AIO PACKAGE = BDB::AIO	851	MODULE = BDB PACKAGE = BDB
643		852
644	PROTOTYPES: ENABLE	853	PROTOTYPES: ENABLE
645		854
646	BOOT:	855	BOOT:
647	{	856	{
648	HV *stash = gv_stashpv ("BDB::AIO", 1);	857	HV *stash = gv_stashpv ("BDB", 1);
649		858
650	create_pipe ();	859	static const struct {
		860	const char *name;
		861	IV iv;
		862	} *civ, const_iv[] = {
		863	#define const_iv(name) { # name, (IV)DB_ ## name },
		864	const_iv (RPCCLIENT)
		865	const_iv (INIT_CDB)
		866	const_iv (INIT_LOCK)
		867	const_iv (INIT_LOG)
		868	const_iv (INIT_MPOOL)
		869	const_iv (INIT_REP)
		870	const_iv (INIT_TXN)
		871	const_iv (RECOVER)
		872	const_iv (INIT_TXN)
		873	const_iv (RECOVER_FATAL)
		874	const_iv (CREATE)
		875	const_iv (USE_ENVIRON)
		876	const_iv (USE_ENVIRON_ROOT)
		877	const_iv (LOCKDOWN)
		878	const_iv (PRIVATE)
		879	const_iv (REGISTER)
		880	const_iv (SYSTEM_MEM)
		881	const_iv (AUTO_COMMIT)
		882	const_iv (CDB_ALLDB)
		883	const_iv (DIRECT_DB)
		884	const_iv (DIRECT_LOG)
		885	const_iv (DSYNC_DB)
		886	const_iv (DSYNC_LOG)
		887	const_iv (LOG_AUTOREMOVE)
		888	const_iv (LOG_INMEMORY)
		889	const_iv (NOLOCKING)
		890	const_iv (MULTIVERSION)
		891	const_iv (NOMMAP)
		892	const_iv (NOPANIC)
		893	const_iv (OVERWRITE)
		894	const_iv (PANIC_ENVIRONMENT)
		895	const_iv (REGION_INIT)
		896	const_iv (TIME_NOTGRANTED)
		897	const_iv (TXN_NOSYNC)
		898	const_iv (TXN_SNAPSHOT)
		899	const_iv (TXN_WRITE_NOSYNC)
		900	const_iv (WRITECURSOR)
		901	const_iv (YIELDCPU)
		902	const_iv (ENCRYPT_AES)
		903	const_iv (XA_CREATE)
		904	const_iv (BTREE)
		905	const_iv (HASH)
		906	const_iv (QUEUE)
		907	const_iv (RECNO)
		908	const_iv (UNKNOWN)
		909	const_iv (EXCL)
		910	const_iv (READ_COMMITTED)
		911	const_iv (READ_UNCOMMITTED)
		912	const_iv (TRUNCATE)
		913	const_iv (NOSYNC)
		914	const_iv (CHKSUM)
		915	const_iv (ENCRYPT)
		916	const_iv (TXN_NOT_DURABLE)
		917	const_iv (DUP)
		918	const_iv (DUPSORT)
		919	const_iv (RECNUM)
		920	const_iv (RENUMBER)
		921	const_iv (REVSPLITOFF)
		922	const_iv (INORDER)
		923	const_iv (CONSUME)
		924	const_iv (CONSUME_WAIT)
		925	const_iv (GET_BOTH)
		926	const_iv (GET_BOTH_RANGE)
		927	//const_iv (SET_RECNO)
		928	//const_iv (MULTIPLE)
		929	const_iv (SNAPSHOT)
		930	const_iv (JOIN_ITEM)
		931	const_iv (RMW)
		932
		933	const_iv (NOTFOUND)
		934	const_iv (KEYEMPTY)
		935	const_iv (LOCK_DEADLOCK)
		936	const_iv (LOCK_NOTGRANTED)
		937	const_iv (RUNRECOVERY)
		938	const_iv (OLD_VERSION)
		939	const_iv (REP_HANDLE_DEAD)
		940	const_iv (REP_LOCKOUT)
		941	const_iv (SECONDARY_BAD)
		942
		943	const_iv (FREE_SPACE)
		944	const_iv (FREELIST_ONLY)
		945
		946	const_iv (APPEND)
		947	const_iv (NODUPDATA)
		948	const_iv (NOOVERWRITE)
		949
		950	const_iv (TXN_NOWAIT)
		951	const_iv (TXN_SNAPSHOT)
		952	const_iv (TXN_SYNC)
		953
		954	const_iv (SET_LOCK_TIMEOUT)
		955	const_iv (SET_TXN_TIMEOUT)
		956
		957	const_iv (JOIN_ITEM)
		958	const_iv (FIRST)
		959	const_iv (NEXT)
		960	const_iv (NEXT_DUP)
		961	const_iv (NEXT_NODUP)
		962	const_iv (PREV)
		963	const_iv (PREV_NODUP)
		964	const_iv (SET)
		965	const_iv (SET_RANGE)
		966	const_iv (LAST)
		967	const_iv (BEFORE)
		968	const_iv (AFTER)
		969	const_iv (CURRENT)
		970	const_iv (KEYFIRST)
		971	const_iv (KEYLAST)
		972	const_iv (NODUPDATA)
		973
		974	const_iv (FORCE)
		975
		976	const_iv (LOCK_DEFAULT)
		977	const_iv (LOCK_EXPIRE)
		978	const_iv (LOCK_MAXLOCKS)
		979	const_iv (LOCK_MAXWRITE)
		980	const_iv (LOCK_MINLOCKS)
		981	const_iv (LOCK_MINWRITE)
		982	const_iv (LOCK_OLDEST)
		983	const_iv (LOCK_RANDOM)
		984	const_iv (LOCK_YOUNGEST)
		985
		986	const_iv (SEQ_DEC)
		987	const_iv (SEQ_INC)
		988	const_iv (SEQ_WRAP)
		989	};
		990
		991	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
		992	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
		993
		994	if (!create_pipe (respipe))
		995	croak ("unable to initialize result pipe");
		996
651	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	997	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		998	#ifdef _WIN32
		999	X_MUTEX_CHECK (wrklock);
		1000	X_MUTEX_CHECK (reslock);
		1001	X_MUTEX_CHECK (reqlock);
		1002
		1003	X_COND_CHECK (reqwait);
		1004	#endif
652	}	1005	}
653		1006
654	void	1007	void
655	max_poll_reqs (int nreqs)	1008	max_poll_reqs (int nreqs)
656	PROTOTYPE: $	1009	PROTOTYPE: $
…		…
685	max_outstanding = maxreqs;	1038	max_outstanding = maxreqs;
686	OUTPUT:	1039	OUTPUT:
687	RETVAL	1040	RETVAL
688		1041
689	int	1042	int
690	bdbreq_pri (int pri = 0)	1043	dbreq_pri (int pri = 0)
691	PROTOTYPE: ;$	1044	PROTOTYPE: ;$
692	CODE:	1045	CODE:
693	RETVAL = next_pri - PRI_BIAS;	1046	RETVAL = next_pri - PRI_BIAS;
694	if (items > 0)	1047	if (items > 0)
695	{	1048	{
…		…
699	}	1052	}
700	OUTPUT:	1053	OUTPUT:
701	RETVAL	1054	RETVAL
702		1055
703	void	1056	void
704	bdbreq_nice (int nice = 0)	1057	dbreq_nice (int nice = 0)
705	CODE:	1058	CODE:
706	nice = next_pri - nice;	1059	nice = next_pri - nice;
707	if (nice < PRI_MIN) nice = PRI_MIN;	1060	if (nice < PRI_MIN) nice = PRI_MIN;
708	if (nice > PRI_MAX) nice = PRI_MAX;	1061	if (nice > PRI_MAX) nice = PRI_MAX;
709	next_pri = nice + PRI_BIAS;	1062	next_pri = nice + PRI_BIAS;
…		…
717	poll_wait ();	1070	poll_wait ();
718	poll_cb ();	1071	poll_cb ();
719	}	1072	}
720		1073
721	int	1074	int
722	poll()	1075	poll ()
723	PROTOTYPE:	1076	PROTOTYPE:
724	CODE:	1077	CODE:
725	poll_wait ();	1078	poll_wait ();
726	RETVAL = poll_cb ();	1079	RETVAL = poll_cb ();
727	OUTPUT:	1080	OUTPUT:
728	RETVAL	1081	RETVAL
729		1082
730	int	1083	int
731	poll_fileno()	1084	poll_fileno ()
732	PROTOTYPE:	1085	PROTOTYPE:
733	CODE:	1086	CODE:
734	RETVAL = respipe [0];	1087	RETVAL = respipe [0];
735	OUTPUT:	1088	OUTPUT:
736	RETVAL	1089	RETVAL
737		1090
738	int	1091	int
739	poll_cb(...)	1092	poll_cb (...)
740	PROTOTYPE:	1093	PROTOTYPE:
741	CODE:	1094	CODE:
742	RETVAL = poll_cb ();	1095	RETVAL = poll_cb ();
743	OUTPUT:	1096	OUTPUT:
744	RETVAL	1097	RETVAL
745		1098
746	void	1099	void
747	poll_wait()	1100	poll_wait ()
748	PROTOTYPE:	1101	PROTOTYPE:
749	CODE:	1102	CODE:
750	poll_wait ();	1103	poll_wait ();
751		1104
752	int	1105	int
753	nreqs()	1106	nreqs ()
754	PROTOTYPE:	1107	PROTOTYPE:
755	CODE:	1108	CODE:
756	RETVAL = nreqs;	1109	RETVAL = nreqs;
757	OUTPUT:	1110	OUTPUT:
758	RETVAL	1111	RETVAL
759		1112
760	int	1113	int
761	nready()	1114	nready ()
762	PROTOTYPE:	1115	PROTOTYPE:
763	CODE:	1116	CODE:
764	RETVAL = get_nready ();	1117	RETVAL = get_nready ();
765	OUTPUT:	1118	OUTPUT:
766	RETVAL	1119	RETVAL
767		1120
768	int	1121	int
769	npending()	1122	npending ()
770	PROTOTYPE:	1123	PROTOTYPE:
771	CODE:	1124	CODE:
772	RETVAL = get_npending ();	1125	RETVAL = get_npending ();
773	OUTPUT:	1126	OUTPUT:
774	RETVAL	1127	RETVAL
775		1128
776	int	1129	int
777	nthreads()	1130	nthreads ()
778	PROTOTYPE:	1131	PROTOTYPE:
779	CODE:	1132	CODE:
780	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1133	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
781	RETVAL = started;	1134	RETVAL = started;
782	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1135	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
783	OUTPUT:	1136	OUTPUT:
784	RETVAL	1137	RETVAL
785		1138
		1139	void
		1140	set_sync_prepare (SV *cb)
		1141	PROTOTYPE: &
		1142	CODE:
		1143	SvREFCNT_dec (prepare_cb);
		1144	prepare_cb = newSVsv (cb);
786		1145
		1146
		1147	DB_ENV *
		1148	db_env_create (U32 env_flags = 0)
		1149	CODE:
		1150	{
		1151	errno = db_env_create (&RETVAL, env_flags);
		1152	if (errno)
		1153	croak ("db_env_create: %s", db_strerror (errno));
		1154	}
		1155	OUTPUT:
		1156	RETVAL
		1157
		1158	void
		1159	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
		1160	CODE:
		1161	{
		1162	env->set_thread_count (env, get_nthreads ());
		1163
		1164	dREQ (REQ_ENV_OPEN);
		1165	req->env = env;
		1166	req->uint1 = open_flags | DB_THREAD;
		1167	req->int1 = mode;
		1168	req->buf1 = strdup_ornull (db_home);
		1169	REQ_SEND;
		1170	}
		1171
		1172	void
		1173	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
		1174	CODE:
		1175	{
		1176	dREQ (REQ_ENV_CLOSE);
		1177	req->env = env;
		1178	req->uint1 = flags;
		1179	REQ_SEND;
		1180	ptr_nuke (ST (0));
		1181	}
		1182
		1183	void
		1184	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1185	CODE:
		1186	{
		1187	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1188	req->env = env;
		1189	req->uint1 = kbyte;
		1190	req->int1 = min;
		1191	req->uint2 = flags;
		1192	REQ_SEND;
		1193	}
		1194
		1195	void
		1196	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1197	CODE:
		1198	{
		1199	dREQ (REQ_ENV_LOCK_DETECT);
		1200	req->env = env;
		1201	req->uint1 = flags;
		1202	req->uint2 = atype;
		1203	REQ_SEND;
		1204	}
		1205
		1206	void
		1207	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1208	CODE:
		1209	{
		1210	dREQ (REQ_ENV_MEMP_SYNC);
		1211	req->env = env;
		1212	REQ_SEND;
		1213	}
		1214
		1215	void
		1216	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
		1217	CODE:
		1218	{
		1219	dREQ (REQ_ENV_MEMP_TRICKLE);
		1220	req->env = env;
		1221	req->int1 = percent;
		1222	REQ_SEND;
		1223	}
		1224
		1225
		1226	DB *
		1227	db_create (DB_ENV *env = 0, U32 flags = 0)
		1228	CODE:
		1229	{
		1230	errno = db_create (&RETVAL, env, flags);
		1231	if (errno)
		1232	croak ("db_create: %s", db_strerror (errno));
		1233
		1234	if (RETVAL)
		1235	RETVAL->app_private = (void *)newSVsv (ST (0));
		1236	}
		1237	OUTPUT:
		1238	RETVAL
		1239
		1240	void
		1241	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
		1242	CODE:
		1243	{
		1244	dREQ (REQ_DB_OPEN);
		1245	req->db = db;
		1246	req->txn = txnid;
		1247	req->buf1 = strdup_ornull (file);
		1248	req->buf2 = strdup_ornull (database);
		1249	req->int1 = type;
		1250	req->uint1 = flags | DB_THREAD;
		1251	req->int2 = mode;
		1252	REQ_SEND;
		1253	}
		1254
		1255	void
		1256	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
		1257	CODE:
		1258	{
		1259	dREQ (REQ_DB_CLOSE);
		1260	req->db = db;
		1261	req->uint1 = flags;
		1262	req->sv1 = (SV *)db->app_private;
		1263	REQ_SEND;
		1264	ptr_nuke (ST (0));
		1265	}
		1266
		1267	void
		1268	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)
		1269	CODE:
		1270	{
		1271	dREQ (REQ_DB_COMPACT);
		1272	req->db = db;
		1273	req->txn = txn;
		1274	sv_to_dbt (&req->dbt1, start);
		1275	sv_to_dbt (&req->dbt2, stop);
		1276	req->uint1 = flags;
		1277	REQ_SEND;
		1278	}
		1279
		1280	void
		1281	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
		1282	CODE:
		1283	{
		1284	dREQ (REQ_DB_SYNC);
		1285	req->db = db;
		1286	req->uint1 = flags;
		1287	REQ_SEND;
		1288	}
		1289
		1290	void
		1291	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1292	CODE:
		1293	{
		1294	dREQ (REQ_DB_KEY_RANGE);
		1295	req->db = db;
		1296	req->txn = txn;
		1297	sv_to_dbt (&req->dbt1, key);
		1298	req->uint1 = flags;
		1299	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1300	REQ_SEND;
		1301	}
		1302
		1303	void
		1304	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1305	CODE:
		1306	{
		1307	dREQ (REQ_DB_PUT);
		1308	req->db = db;
		1309	req->txn = txn;
		1310	sv_to_dbt (&req->dbt1, key);
		1311	sv_to_dbt (&req->dbt2, data);
		1312	req->uint1 = flags;
		1313	REQ_SEND;
		1314	}
		1315
		1316	void
		1317	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1318	CODE:
		1319	{
		1320	dREQ (REQ_DB_GET);
		1321	req->db = db;
		1322	req->txn = txn;
		1323	req->uint1 = flags;
		1324	sv_to_dbt (&req->dbt1, key);
		1325	req->dbt3.flags = DB_DBT_MALLOC;
		1326	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1327	REQ_SEND;
		1328	}
		1329
		1330	void
		1331	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1332	CODE:
		1333	{
		1334	dREQ (REQ_DB_PGET);
		1335	req->db = db;
		1336	req->txn = txn;
		1337	req->uint1 = flags;
		1338	sv_to_dbt (&req->dbt1, key);
		1339	sv_to_dbt (&req->dbt2, pkey);
		1340	req->dbt3.flags = DB_DBT_MALLOC;
		1341	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1342	REQ_SEND;
		1343	}
		1344
		1345	void
		1346	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1347	CODE:
		1348	{
		1349	dREQ (REQ_DB_DEL);
		1350	req->db = db;
		1351	req->txn = txn;
		1352	req->uint1 = flags;
		1353	sv_to_dbt (&req->dbt1, key);
		1354	REQ_SEND;
		1355	}
		1356
		1357	void
		1358	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
		1359	CODE:
		1360	{
		1361	dREQ (REQ_TXN_COMMIT);
		1362	req->txn = txn;
		1363	req->uint1 = flags;
		1364	REQ_SEND;
		1365	ptr_nuke (ST (0));
		1366	}
		1367
		1368	void
		1369	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
		1370	CODE:
		1371	{
		1372	dREQ (REQ_TXN_ABORT);
		1373	req->txn = txn;
		1374	REQ_SEND;
		1375	ptr_nuke (ST (0));
		1376	}
		1377
		1378	void
		1379	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
		1380	CODE:
		1381	{
		1382	dREQ (REQ_C_CLOSE);
		1383	req->dbc = dbc;
		1384	REQ_SEND;
		1385	ptr_nuke (ST (0));
		1386	}
		1387
		1388	void
		1389	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1390	CODE:
		1391	{
		1392	dREQ (REQ_C_COUNT);
		1393	req->dbc = dbc;
		1394	req->sv1 = SvREFCNT_inc (count);
		1395	REQ_SEND;
		1396	}
		1397
		1398	void
		1399	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1400	CODE:
		1401	{
		1402	dREQ (REQ_C_PUT);
		1403	req->dbc = dbc;
		1404	sv_to_dbt (&req->dbt1, key);
		1405	sv_to_dbt (&req->dbt2, data);
		1406	req->uint1 = flags;
		1407	REQ_SEND;
		1408	}
		1409
		1410	void
		1411	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1412	CODE:
		1413	{
		1414	dREQ (REQ_C_GET);
		1415	req->dbc = dbc;
		1416	req->uint1 = flags;
		1417	if ((flags & DB_SET) == DB_SET
		1418	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1419	sv_to_dbt (&req->dbt1, key);
		1420	else
		1421	req->dbt1.flags = DB_DBT_MALLOC;
		1422
		1423	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1424
		1425	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1426	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1427	sv_to_dbt (&req->dbt3, data);
		1428	else
		1429	req->dbt3.flags = DB_DBT_MALLOC;
		1430
		1431	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1432	REQ_SEND;
		1433	}
		1434
		1435	void
		1436	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1437	CODE:
		1438	{
		1439	dREQ (REQ_C_PGET);
		1440	req->dbc = dbc;
		1441	req->uint1 = flags;
		1442	if ((flags & DB_SET) == DB_SET
		1443	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1444	sv_to_dbt (&req->dbt1, key);
		1445	else
		1446	req->dbt1.flags = DB_DBT_MALLOC;
		1447
		1448	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1449
		1450	req->dbt2.flags = DB_DBT_MALLOC;
		1451	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1452
		1453	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1454	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1455	sv_to_dbt (&req->dbt3, data);
		1456	else
		1457	req->dbt3.flags = DB_DBT_MALLOC;
		1458
		1459	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1460	REQ_SEND;
		1461	}
		1462
		1463	void
		1464	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
		1465	CODE:
		1466	{
		1467	dREQ (REQ_C_DEL);
		1468	req->dbc = dbc;
		1469	req->uint1 = flags;
		1470	REQ_SEND;
		1471	}
		1472
		1473
		1474	void
		1475	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
		1476	CODE:
		1477	{
		1478	dREQ (REQ_SEQ_OPEN);
		1479	req->seq = seq;
		1480	req->txn = txnid;
		1481	req->uint1 = flags | DB_THREAD;
		1482	sv_to_dbt (&req->dbt1, key);
		1483	REQ_SEND;
		1484	}
		1485
		1486	void
		1487	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
		1488	CODE:
		1489	{
		1490	dREQ (REQ_SEQ_CLOSE);
		1491	req->seq = seq;
		1492	req->uint1 = flags;
		1493	REQ_SEND;
		1494	ptr_nuke (ST (0));
		1495	}
		1496
		1497	void
		1498	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)
		1499	CODE:
		1500	{
		1501	dREQ (REQ_SEQ_GET);
		1502	req->seq = seq;
		1503	req->txn = txnid;
		1504	req->int1 = delta;
		1505	req->uint1 = flags;
		1506	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1507	REQ_SEND;
		1508	}
		1509
		1510	void
		1511	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1512	CODE:
		1513	{
		1514	dREQ (REQ_SEQ_REMOVE);
		1515	req->seq = seq;
		1516	req->txn = txnid;
		1517	req->uint1 = flags;
		1518	REQ_SEND;
		1519	}
		1520
		1521
		1522	MODULE = BDB PACKAGE = BDB::Env
		1523
		1524	void
		1525	DESTROY (DB_ENV_ornull *env)
		1526	CODE:
		1527	if (env)
		1528	env->close (env, 0);
		1529
		1530	int set_data_dir (DB_ENV *env, const char *dir)
		1531	CODE:
		1532	RETVAL = env->set_data_dir (env, dir);
		1533	OUTPUT:
		1534	RETVAL
		1535
		1536	int set_tmp_dir (DB_ENV *env, const char *dir)
		1537	CODE:
		1538	RETVAL = env->set_tmp_dir (env, dir);
		1539	OUTPUT:
		1540	RETVAL
		1541
		1542	int set_lg_dir (DB_ENV *env, const char *dir)
		1543	CODE:
		1544	RETVAL = env->set_lg_dir (env, dir);
		1545	OUTPUT:
		1546	RETVAL
		1547
		1548	int set_shm_key (DB_ENV *env, long shm_key)
		1549	CODE:
		1550	RETVAL = env->set_shm_key (env, shm_key);
		1551	OUTPUT:
		1552	RETVAL
		1553
		1554	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		1555	CODE:
		1556	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		1557	OUTPUT:
		1558	RETVAL
		1559
		1560	int set_flags (DB_ENV *env, U32 flags, int onoff)
		1561	CODE:
		1562	RETVAL = env->set_flags (env, flags, onoff);
		1563	OUTPUT:
		1564	RETVAL
		1565
		1566	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
		1567	CODE:
		1568	RETVAL = env->set_encrypt (env, password, flags);
		1569	OUTPUT:
		1570	RETVAL
		1571
		1572	int set_timeout (DB_ENV *env, NV timeout, U32 flags)
		1573	CODE:
		1574	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1575	OUTPUT:
		1576	RETVAL
		1577
		1578	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1579	CODE:
		1580	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1581	OUTPUT:
		1582	RETVAL
		1583
		1584	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1585	CODE:
		1586	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1587	OUTPUT:
		1588	RETVAL
		1589
		1590	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1591	CODE:
		1592	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1593	OUTPUT:
		1594	RETVAL
		1595
		1596	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1597	CODE:
		1598	RETVAL = env->set_lk_detect (env, detect);
		1599	OUTPUT:
		1600	RETVAL
		1601
		1602	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1603	CODE:
		1604	RETVAL = env->set_lk_max_lockers (env, max);
		1605	OUTPUT:
		1606	RETVAL
		1607
		1608	int set_lk_max_locks (DB_ENV *env, U32 max)
		1609	CODE:
		1610	RETVAL = env->set_lk_max_locks (env, max);
		1611	OUTPUT:
		1612	RETVAL
		1613
		1614	int set_lk_max_objects (DB_ENV *env, U32 max)
		1615	CODE:
		1616	RETVAL = env->set_lk_max_objects (env, max);
		1617	OUTPUT:
		1618	RETVAL
		1619
		1620	int set_lg_bsize (DB_ENV *env, U32 max)
		1621	CODE:
		1622	RETVAL = env->set_lg_bsize (env, max);
		1623	OUTPUT:
		1624	RETVAL
		1625
		1626	int set_lg_max (DB_ENV *env, U32 max)
		1627	CODE:
		1628	RETVAL = env->set_lg_max (env, max);
		1629	OUTPUT:
		1630	RETVAL
		1631
		1632	DB_TXN *
		1633	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
		1634	CODE:
		1635	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1636	if (errno)
		1637	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1638	OUTPUT:
		1639	RETVAL
		1640
		1641	MODULE = BDB PACKAGE = BDB::Db
		1642
		1643	void
		1644	DESTROY (DB_ornull *db)
		1645	CODE:
		1646	if (db)
		1647	{
		1648	SV *env = (SV *)db->app_private;
		1649	db->close (db, 0);
		1650	SvREFCNT_dec (env);
		1651	}
		1652
		1653	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		1654	CODE:
		1655	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		1656	OUTPUT:
		1657	RETVAL
		1658
		1659	int set_flags (DB *db, U32 flags);
		1660	CODE:
		1661	RETVAL = db->set_flags (db, flags);
		1662	OUTPUT:
		1663	RETVAL
		1664
		1665	int set_encrypt (DB *db, const char *password, U32 flags)
		1666	CODE:
		1667	RETVAL = db->set_encrypt (db, password, flags);
		1668	OUTPUT:
		1669	RETVAL
		1670
		1671	int set_lorder (DB *db, int lorder)
		1672	CODE:
		1673	RETVAL = db->set_lorder (db, lorder);
		1674	OUTPUT:
		1675	RETVAL
		1676
		1677	int set_bt_minkey (DB *db, U32 minkey)
		1678	CODE:
		1679	RETVAL = db->set_bt_minkey (db, minkey);
		1680	OUTPUT:
		1681	RETVAL
		1682
		1683	int set_re_delim(DB *db, int delim);
		1684	CODE:
		1685	RETVAL = db->set_re_delim (db, delim);
		1686	OUTPUT:
		1687	RETVAL
		1688
		1689	int set_re_pad (DB *db, int re_pad)
		1690	CODE:
		1691	RETVAL = db->set_re_pad (db, re_pad);
		1692	OUTPUT:
		1693	RETVAL
		1694
		1695	int set_re_source (DB *db, char *source)
		1696	CODE:
		1697	RETVAL = db->set_re_source (db, source);
		1698	OUTPUT:
		1699	RETVAL
		1700
		1701	int set_re_len (DB *db, U32 re_len)
		1702	CODE:
		1703	RETVAL = db->set_re_len (db, re_len);
		1704	OUTPUT:
		1705	RETVAL
		1706
		1707	int set_h_ffactor (DB *db, U32 h_ffactor)
		1708	CODE:
		1709	RETVAL = db->set_h_ffactor (db, h_ffactor);
		1710	OUTPUT:
		1711	RETVAL
		1712
		1713	int set_h_nelem (DB *db, U32 h_nelem)
		1714	CODE:
		1715	RETVAL = db->set_h_nelem (db, h_nelem);
		1716	OUTPUT:
		1717	RETVAL
		1718
		1719	int set_q_extentsize (DB *db, U32 extentsize)
		1720	CODE:
		1721	RETVAL = db->set_q_extentsize (db, extentsize);
		1722	OUTPUT:
		1723	RETVAL
		1724
		1725	DBC *
		1726	cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
		1727	CODE:
		1728	errno = db->cursor (db, txn, &RETVAL, flags);
		1729	if (errno)
		1730	croak ("DB->cursor: %s", db_strerror (errno));
		1731	OUTPUT:
		1732	RETVAL
		1733
		1734	DB_SEQUENCE *
		1735	sequence (DB *db, U32 flags = 0)
		1736	CODE:
		1737	{
		1738	errno = db_sequence_create (&RETVAL, db, flags);
		1739	if (errno)
		1740	croak ("db_sequence_create: %s", db_strerror (errno));
		1741	}
		1742	OUTPUT:
		1743	RETVAL
		1744
		1745
		1746	MODULE = BDB PACKAGE = BDB::Txn
		1747
		1748	void
		1749	DESTROY (DB_TXN_ornull *txn)
		1750	CODE:
		1751	if (txn)
		1752	txn->abort (txn);
		1753
		1754	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)
		1755	CODE:
		1756	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		1757	OUTPUT:
		1758	RETVAL
		1759
		1760
		1761	MODULE = BDB PACKAGE = BDB::Cursor
		1762
		1763	void
		1764	DESTROY (DBC_ornull *dbc)
		1765	CODE:
		1766	if (dbc)
		1767	dbc->c_close (dbc);
		1768
		1769	MODULE = BDB PACKAGE = BDB::Sequence
		1770
		1771	void
		1772	DESTROY (DB_SEQUENCE_ornull *seq)
		1773	CODE:
		1774	if (seq)
		1775	seq->close (seq, 0);
		1776
		1777	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		1778	CODE:
		1779	RETVAL = seq->initial_value (seq, value);
		1780	OUTPUT:
		1781	RETVAL
		1782
		1783	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		1784	CODE:
		1785	RETVAL = seq->set_cachesize (seq, size);
		1786	OUTPUT:
		1787	RETVAL
		1788
		1789	int set_flags (DB_SEQUENCE *seq, U32 flags)
		1790	CODE:
		1791	RETVAL = seq->set_flags (seq, flags);
		1792	OUTPUT:
		1793	RETVAL
		1794
		1795	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		1796	CODE:
		1797	RETVAL = seq->set_range (seq, min, max);
		1798	OUTPUT:
		1799	RETVAL
		1800

Diff Legend

–	Removed lines
+	Added lines
<	Changed lines
>	Changed lines