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

Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 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>
25	#include <unistd.h>	15	#include <unistd.h>
26	#include <fcntl.h>	16	#include <fcntl.h>
27		17
28	#include <db.h>	18	#include <db.h>
29		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
		23
30	/* number of seconds after which idle threads exit */	24	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	25	#define IDLE_TIMEOUT 10
32		26
33	/* wether word reads are potentially non-atomic.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 \|\| __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44
45	typedef DB_ENV DB_ENV_ornull;	27	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	28	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	29	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	30	typedef DB DB_ornull;
		31	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
49		32
50	typedef SV SV8; /* byte-sv, used for argument-checking */	33	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;	34	typedef char *octetstring;
52		35
53	static SV *prepare_cb;	36	static SV *prepare_cb;
…		…
83	free (dbt->data);	66	free (dbt->data);
84	}	67	}
85		68
86	enum {	69	enum {
87	REQ_QUIT,	70	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	71	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	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,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	75	REQ_TXN_COMMIT, REQ_TXN_ABORT,
91	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	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,
92	};	78	};
93		79
94	typedef struct aio_cb	80	typedef struct aio_cb
95	{	81	{
96	struct aio_cb *volatile next;	82	struct aio_cb *volatile next;
…		…
107	U32 uint1, uint2;	93	U32 uint1, uint2;
108	char buf1, buf2;	94	char buf1, buf2;
109	SV sv1, sv2, *sv3;	95	SV sv1, sv2, *sv3;
110		96
111	DBT dbt1, dbt2, dbt3;	97	DBT dbt1, dbt2, dbt3;
		98	DB_KEY_RANGE key_range;
		99	DB_SEQUENCE *seq;
		100	db_seq_t seq_t;
112	} aio_cb;	101	} aio_cb;
113		102
114	typedef aio_cb *aio_req;	103	typedef aio_cb *aio_req;
115		104
116	enum {	105	enum {
…		…
136		125
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	126	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		127
139	static unsigned int started, idle, wanted;	128	static unsigned int started, idle, wanted;
140		129
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	130	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	131	static mutex_t wrklock = X_MUTEX_INIT;
152		132
153	typedef struct worker {	133	typedef struct worker {
154	/* locked by wrklock */	134	/* locked by wrklock */
155	struct worker prev, next;	135	struct worker prev, next;
156		136
157	pthread_t tid;	137	thread_t tid;
158		138
159	/* locked by reslock, reqlock or wrklock */	139	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	140	aio_req req; /* currently processed request */
161	void *dbuf;	141	void *dbuf;
162	DIR *dirp;	142	DIR *dirp;
…		…
179	static volatile unsigned int nreqs, nready, npending;	159	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	160	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	161	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	162	static int respipe [2];
183		163
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	164	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	165	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	166	static cond_t reqwait = X_COND_INIT;
187		167
188	#if WORDACCESS_UNSAFE	168	#if WORDACCESS_UNSAFE
189		169
190	static unsigned int get_nready ()	170	static unsigned int get_nready ()
191	{	171	{
192	unsigned int retval;	172	unsigned int retval;
193		173
194	LOCK (reqlock);	174	X_LOCK (reqlock);
195	retval = nready;	175	retval = nready;
196	UNLOCK (reqlock);	176	X_UNLOCK (reqlock);
197		177
198	return retval;	178	return retval;
199	}	179	}
200		180
201	static unsigned int get_npending ()	181	static unsigned int get_npending ()
202	{	182	{
203	unsigned int retval;	183	unsigned int retval;
204		184
205	LOCK (reslock);	185	X_LOCK (reslock);
206	retval = npending;	186	retval = npending;
207	UNLOCK (reslock);	187	X_UNLOCK (reslock);
208		188
209	return retval;	189	return retval;
210	}	190	}
211		191
212	static unsigned int get_nthreads ()	192	static unsigned int get_nthreads ()
213	{	193	{
214	unsigned int retval;	194	unsigned int retval;
215		195
216	LOCK (wrklock);	196	X_LOCK (wrklock);
217	retval = started;	197	retval = started;
218	UNLOCK (wrklock);	198	X_UNLOCK (wrklock);
219		199
220	return retval;	200	return retval;
221	}	201	}
222		202
223	#else	203	#else
…		…
293	if (SvOK (req->callback))	273	if (SvOK (req->callback))
294	{	274	{
295	ENTER;	275	ENTER;
296	SAVETMPS;	276	SAVETMPS;
297	PUSHMARK (SP);	277	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		278
300	switch (req->type)	279	switch (req->type)
301	{	280	{
302	case REQ_DB_CLOSE:	281	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	282	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	291	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	292	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	293	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	294	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	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;
317	}	321	}
318		322
319	errno = req->result;	323	errno = req->result;
320		324
321	PUTBACK;	325	PUTBACK;
…		…
338		342
339	static void aio_proc (void arg);	343	static void aio_proc (void arg);
340		344
341	static void start_thread (void)	345	static void start_thread (void)
342	{	346	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	347	worker *wrk = calloc (1, sizeof (worker));
347		348
348	if (!wrk)	349	if (!wrk)
349	croak ("unable to allocate worker thread data");	350	croak ("unable to allocate worker thread data");
350		351
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	352	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	353	if (thread_create (&wrk->tid, aio_proc, (void *)wrk))
363	{	354	{
364	wrk->prev = &wrk_first;	355	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	356	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	357	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	358	wrk_first.next = wrk;
368	++started;	359	++started;
369	}	360	}
370	else	361	else
371	free (wrk);	362	free (wrk);
372		363
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	364	X_UNLOCK (wrklock);
375	}	365	}
376		366
377	static void maybe_start_thread ()	367	static void maybe_start_thread ()
378	{	368	{
379	if (get_nthreads () >= wanted)	369	if (get_nthreads () >= wanted)
…		…
407	req->callback = SvREFCNT_inc (POPs);	397	req->callback = SvREFCNT_inc (POPs);
408	}	398	}
409		399
410	++nreqs;	400	++nreqs;
411		401
412	LOCK (reqlock);	402	X_LOCK (reqlock);
413	++nready;	403	++nready;
414	reqq_push (&req_queue, req);	404	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	405	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	406	X_UNLOCK (reqlock);
417		407
418	maybe_start_thread ();	408	maybe_start_thread ();
419		409
420	if (wait_callback)	410	if (wait_callback)
421	{	411	{
…		…
434	Newz (0, req, 1, aio_cb);	424	Newz (0, req, 1, aio_cb);
435		425
436	req->type = REQ_QUIT;	426	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	427	req->pri = PRI_MAX + PRI_BIAS;
438		428
439	LOCK (reqlock);	429	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	430	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	431	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	432	X_UNLOCK (reqlock);
443		433
444	LOCK (wrklock);	434	X_LOCK (wrklock);
445	--started;	435	--started;
446	UNLOCK (wrklock);	436	X_UNLOCK (wrklock);
447	}	437	}
448		438
449	static void set_max_idle (int nthreads)	439	static void set_max_idle (int nthreads)
450	{	440	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	441	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	442	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	443	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	444	}
455		445
456	static void min_parallel (int nthreads)	446	static void min_parallel (int nthreads)
457	{	447	{
458	if (wanted < nthreads)	448	if (wanted < nthreads)
…		…
473	fd_set rfd;	463	fd_set rfd;
474		464
475	while (nreqs)	465	while (nreqs)
476	{	466	{
477	int size;	467	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	468	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	469	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	470	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		471
482	if (size)	472	if (size)
483	return;	473	return;
484		474
485	maybe_start_thread ();	475	maybe_start_thread ();
…		…
507	{	497	{
508	for (;;)	498	for (;;)
509	{	499	{
510	maybe_start_thread ();	500	maybe_start_thread ();
511		501
512	LOCK (reslock);	502	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	503	req = reqq_shift (&res_queue);
514		504
515	if (req)	505	if (req)
516	{	506	{
517	--npending;	507	--npending;
…		…
523	while (read (respipe [0], buf, 4) == 4)	513	while (read (respipe [0], buf, 4) == 4)
524	;	514	;
525	}	515	}
526	}	516	}
527		517
528	UNLOCK (reslock);	518	X_UNLOCK (reslock);
529		519
530	if (!req)	520	if (!req)
531	break;	521	break;
532		522
533	--nreqs;	523	--nreqs;
…		…
563	}	553	}
564		554
565	return count;	555	return count;
566	}	556	}
567		557
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	558	/*****************************************************************************/
581		559
582	static void aio_proc (void thr_arg)	560	static void aio_proc (void thr_arg)
583	{	561	{
584	aio_req req;	562	aio_req req;
…		…
591		569
592	for (;;)	570	for (;;)
593	{	571	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	572	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		573
596	LOCK (reqlock);	574	X_LOCK (reqlock);
597		575
598	for (;;)	576	for (;;)
599	{	577	{
600	self->req = req = reqq_shift (&req_queue);	578	self->req = req = reqq_shift (&req_queue);
601		579
602	if (req)	580	if (req)
603	break;	581	break;
604		582
605	++idle;	583	++idle;
606		584
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	585	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	586	== ETIMEDOUT)
609	{	587	{
610	if (idle > max_idle)	588	if (idle > max_idle)
611	{	589	{
612	--idle;	590	--idle;
613	UNLOCK (reqlock);	591	X_UNLOCK (reqlock);
614	LOCK (wrklock);	592	X_LOCK (wrklock);
615	--started;	593	--started;
616	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
617	goto quit;	595	goto quit;
618	}	596	}
619		597
620	/* we are allowed to idle, so do so without any timeout */	598	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	599	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	600	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	601	}
624		602
625	--idle;	603	--idle;
626	}	604	}
627		605
628	--nready;	606	--nready;
629		607
630	UNLOCK (reqlock);	608	X_UNLOCK (reqlock);
631		609
632	switch (req->type)	610	switch (req->type)
633	{	611	{
634	case REQ_QUIT:	612	case REQ_QUIT:
635	goto quit;	613	goto quit;
…		…
640		618
641	case REQ_ENV_CLOSE:	619	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);	620	req->result = req->env->close (req->env, req->uint1);
643	break;	621	break;
644		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
645	case REQ_DB_OPEN:	639	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	640	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;	641	break;
648		642
649	case REQ_DB_CLOSE:	643	case REQ_DB_CLOSE:
…		…
670	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);	664	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
671	break;	665	break;
672		666
673	case REQ_DB_DEL:	667	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);	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);
675	break;	673	break;
676		674
677	case REQ_TXN_COMMIT:	675	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);	676	req->result = req->txn->commit (req->txn, req->uint1);
679	break;	677	break;
…		…
708		706
709	case REQ_C_DEL:	707	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);	708	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;	709	break;
712		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
713	default:	727	default:
714	req->result = ENOSYS;	728	req->result = ENOSYS;
715	break;	729	break;
716	}	730	}
717		731
718	LOCK (reslock);	732	X_LOCK (reslock);
719		733
720	++npending;	734	++npending;
721		735
722	if (!reqq_push (&res_queue, req))	736	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	737	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	738	write (respipe [1], &respipe, 1);
725		739
726	self->req = 0;	740	self->req = 0;
727	worker_clear (self);	741	worker_clear (self);
728		742
729	UNLOCK (reslock);	743	X_UNLOCK (reslock);
730	}	744	}
731		745
732	quit:	746	quit:
733	LOCK (wrklock);	747	X_LOCK (wrklock);
734	worker_free (self);	748	worker_free (self);
735	UNLOCK (wrklock);	749	X_UNLOCK (wrklock);
736		750
737	return 0;	751	return 0;
738	}	752	}
739		753
740	/*****************************************************************************/	754	/*****************************************************************************/
741		755
742	static void atfork_prepare (void)	756	static void atfork_prepare (void)
743	{	757	{
744	LOCK (wrklock);	758	X_LOCK (wrklock);
745	LOCK (reqlock);	759	X_LOCK (reqlock);
746	LOCK (reslock);	760	X_LOCK (reslock);
747	}	761	}
748		762
749	static void atfork_parent (void)	763	static void atfork_parent (void)
750	{	764	{
751	UNLOCK (reslock);	765	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	766	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	767	X_UNLOCK (wrklock);
754	}	768	}
755		769
756	static void atfork_child (void)	770	static void atfork_child (void)
757	{	771	{
758	aio_req prv;	772	aio_req prv;
…		…
780	nready = 0;	794	nready = 0;
781	npending = 0;	795	npending = 0;
782		796
783	close (respipe [0]);	797	close (respipe [0]);
784	close (respipe [1]);	798	close (respipe [1]);
785	create_pipe ();	799
		800	if (!create_pipe (respipe))
		801	croak ("unable to initialize result pipe");
786		802
787	atfork_parent ();	803	atfork_parent ();
788	}	804	}
789		805
790	#define dREQ(reqtype) \	806	#define dREQ(reqtype) \
…		…
808		824
809	#define SvPTR(var, arg, type, class, nullok) \	825	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	826	if (!SvOK (arg)) \
811	{ \	827	{ \
812	if (!nullok) \	828	if (!nullok) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	829	croak (# var " must be a " # class " object, not undef"); \
814	\	830	\
815	(var) = 0; \	831	(var) = 0; \
816	} \	832	} \
817	else if (sv_derived_from ((arg), # class)) \	833	else if (sv_derived_from ((arg), # class)) \
818	{ \	834	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	835	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	836	(var) = INT2PTR (type, tmp); \
821	if (!var) \	837	if (!var) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	838	croak (# var " is not a valid " # class " object anymore"); \
823	} \	839	} \
824	else \	840	else \
825	Perl_croak (# var " is not of type " # class); \	841	croak (# var " is not of type " # class); \
826	\	842	\
827		843
828	static void	844	static void
829	ptr_nuke (SV *sv)	845	ptr_nuke (SV *sv)
830	{	846	{
…		…
952	const_iv (AFTER)	968	const_iv (AFTER)
953	const_iv (CURRENT)	969	const_iv (CURRENT)
954	const_iv (KEYFIRST)	970	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	971	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	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)
957	};	989	};
958		990
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	991	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	992	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		993
962	create_pipe ();	994	if (!create_pipe (respipe))
		995	croak ("unable to initialize result pipe");
		996
963	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
964	}	1005	}
965		1006
966	void	1007	void
967	max_poll_reqs (int nreqs)	1008	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1009	PROTOTYPE: $
…		…
1087		1128
1088	int	1129	int
1089	nthreads ()	1130	nthreads ()
1090	PROTOTYPE:	1131	PROTOTYPE:
1091	CODE:	1132	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1133	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1134	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1135	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1136	OUTPUT:
1096	RETVAL	1137	RETVAL
1097		1138
1098	void	1139	void
1099	set_sync_prepare (SV *cb)	1140	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1141	PROTOTYPE: &
1101	CODE:	1142	CODE:
1102	SvREFCNT_dec (prepare_cb);	1143	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1144	prepare_cb = newSVsv (cb);
		1145
1104		1146
1105	DB_ENV *	1147	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1148	db_env_create (U32 env_flags = 0)
1107	CODE:	1149	CODE:
1108	{	1150	{
…		…
1115		1157
1116	void	1158	void
1117	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1159	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)
1118	CODE:	1160	CODE:
1119	{	1161	{
		1162	env->set_thread_count (env, get_nthreads ());
		1163
1120	dREQ (REQ_ENV_OPEN);	1164	dREQ (REQ_ENV_OPEN);
1121	req->env = env;	1165	req->env = env;
1122	req->uint1 = open_flags \| DB_THREAD;	1166	req->uint1 = open_flags \| DB_THREAD;
1123	req->int1 = mode;	1167	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1168	req->buf1 = strdup_ornull (db_home);
…		…
1133	req->env = env;	1177	req->env = env;
1134	req->uint1 = flags;	1178	req->uint1 = flags;
1135	REQ_SEND;	1179	REQ_SEND;
1136	ptr_nuke (ST (0));	1180	ptr_nuke (ST (0));
1137	}	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
1138		1225
1139	DB *	1226	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1227	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1228	CODE:
1142	{	1229	{
…		…
1199	req->uint1 = flags;	1286	req->uint1 = flags;
1200	REQ_SEND;	1287	REQ_SEND;
1201	}	1288	}
1202		1289
1203	void	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
1204	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1304	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1205	CODE:	1305	CODE:
1206	{	1306	{
1207	dREQ (REQ_DB_PUT);	1307	dREQ (REQ_DB_PUT);
1208	req->db = db;	1308	req->db = db;
…		…
1369	req->uint1 = flags;	1469	req->uint1 = flags;
1370	REQ_SEND;	1470	REQ_SEND;
1371	}	1471	}
1372		1472
1373		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
1374	MODULE = BDB PACKAGE = BDB::Env	1522	MODULE = BDB PACKAGE = BDB::Env
1375		1523
1376	void	1524	void
1377	DESTROY (DB_ENV_ornull *env)	1525	DESTROY (DB_ENV_ornull *env)
1378	CODE:	1526	CODE:
1379	if (env)	1527	if (env)
1380	env->close (env, 0);	1528	env->close (env, 0);
1381		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
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1554	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	1555	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1556	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	1557	OUTPUT:
1386	RETVAL	1558	RETVAL
…		…
1398	RETVAL	1570	RETVAL
1399		1571
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1572	int set_timeout (DB_ENV *env, NV timeout, U32 flags)
1401	CODE:	1573	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	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);
1403	OUTPUT:	1629	OUTPUT:
1404	RETVAL	1630	RETVAL
1405		1631
1406	DB_TXN *	1632	DB_TXN *
1407	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	1633	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
…		…
1446	CODE:	1672	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	1673	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	1674	OUTPUT:
1449	RETVAL	1675	RETVAL
1450		1676
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	1677	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	1678	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	1679	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	1680	OUTPUT:
1456	RETVAL	1681	RETVAL
…		…
1504	if (errno)	1729	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	1730	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	1731	OUTPUT:
1507	RETVAL	1732	RETVAL
1508		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
1509		1745
1510	MODULE = BDB PACKAGE = BDB::Txn	1746	MODULE = BDB PACKAGE = BDB::Txn
1511		1747
1512	void	1748	void
1513	DESTROY (DB_TXN_ornull *txn)	1749	DESTROY (DB_TXN_ornull *txn)
…		…
1528	DESTROY (DBC_ornull *dbc)	1764	DESTROY (DBC_ornull *dbc)
1529	CODE:	1765	CODE:
1530	if (dbc)	1766	if (dbc)
1531	dbc->c_close (dbc);	1767	dbc->c_close (dbc);
1532		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

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Comparing BDB/BDB.xs (file contents): Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs. Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.12 by root, Sun Jul 8 09:16:19 2007 UTC