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

Comparing BDB/BDB.xs (file contents):
Revision 1.51 by root, Thu Sep 25 13:28:37 2008 UTC vs.
Revision 1.71 by root, Thu Nov 12 00:39:58 2009 UTC

…		…
1	#include <sys/user.h>
2	#include <sys/ptrace.h>
3
4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5		2
6	#include "xthread.h"	3	#include "xthread.h"
7		4
8	#include <errno.h>	5	#include <errno.h>
9		6
10	#include "EXTERN.h"	7	#include "EXTERN.h"
11	#include "perl.h"	8	#include "perl.h"
12	#include "XSUB.h"	9	#include "XSUB.h"
13		10
		11	#include "schmorp.h"
		12
14	// perl stupidly defines these as macros, breaking	13	// perl stupidly defines these as argument-less macros, breaking
15	// lots and lots of code.	14	// lots and lots of code.
16	#undef open	15	#undef open
17	#undef close	16	#undef close
18	#undef abort	17	#undef abort
19	#undef malloc	18	#undef malloc
39	#endif	38	#endif
40		39
41	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
42	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
43		42
		43	typedef SV SV_mutable;
		44
44	typedef DB_ENV DB_ENV_ornull;	45	typedef DB_ENV DB_ENV_ornull;
45	typedef DB_TXN DB_TXN_ornull;	46	typedef DB_TXN DB_TXN_ornull;
46	typedef DBC DBC_ornull;	47	typedef DBC DBC_ornull;
47	typedef DB DB_ornull;	48	typedef DB DB_ornull;
48		49
…		…
54	#if DB_VERSION_MINOR >= 3	55	#if DB_VERSION_MINOR >= 3
55	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
56	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;	57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
57	#endif	58	#endif
58		59
59	typedef SV SV8; /* byte-sv, used for argument-checking */
60	typedef char *bdb_filename;	60	typedef char *bdb_filename;
61		61
62	static SV *prepare_cb;	62	static SV *prepare_cb;
		63
		64	static HV
		65	*bdb_stash,
		66	*bdb_env_stash,
		67	*bdb_txn_stash,
		68	*bdb_cursor_stash,
		69	*bdb_db_stash,
		70	*bdb_sequence_stash;
63		71
64	#if DB_VERSION_MINOR >= 6	72	#if DB_VERSION_MINOR >= 6
65	# define c_close close	73	# define c_close close
66	# define c_count count	74	# define c_count count
67	# define c_del del	75	# define c_del del
…		…
135	dbt_to_sv (SV sv, DBT dbt)	143	dbt_to_sv (SV sv, DBT dbt)
136	{	144	{
137	if (sv)	145	if (sv)
138	{	146	{
139	SvREADONLY_off (sv);	147	SvREADONLY_off (sv);
140	sv_setsv_mg (sv, dbt->data ? newSVpvn (dbt->data, dbt->size) : &PL_sv_undef);	148
		149	if (dbt->data)
		150	sv_setpvn_mg (sv, dbt->data, dbt->size);
		151	else
		152	sv_setsv_mg (sv, &PL_sv_undef);
		153
141	SvREFCNT_dec (sv);	154	SvREFCNT_dec (sv);
142	}	155	}
143		156
144	//assert (dbt->flags & DBT_MALLOC \|\| !dbt->data);
145	free (dbt->data);	157	free (dbt->data);
146	}	158	}
147		159
148	enum {	160	enum {
149	REQ_QUIT,	161	REQ_QUIT,
150	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	162	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
151	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,	163	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		164	REQ_ENV_LOG_ARCHIVE,
152	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,	165	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
153	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	166	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
154	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,	167	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
155	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	168	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
156	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	169	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
157	};	170	};
…		…
242	}	255	}
243		256
244	static volatile unsigned int nreqs, nready, npending;	257	static volatile unsigned int nreqs, nready, npending;
245	static volatile unsigned int max_idle = 4;	258	static volatile unsigned int max_idle = 4;
246	static volatile unsigned int max_outstanding = 0xffffffff;	259	static volatile unsigned int max_outstanding = 0xffffffff;
247	static int respipe_osf [2], respipe [2] = { -1, -1 };	260	static s_epipe respipe;
248		261
249	static mutex_t reslock = X_MUTEX_INIT;	262	static mutex_t reslock = X_MUTEX_INIT;
250	static mutex_t reqlock = X_MUTEX_INIT;	263	static mutex_t reqlock = X_MUTEX_INIT;
251	static cond_t reqwait = X_COND_INIT;	264	static cond_t reqwait = X_COND_INIT;
252		265
…		…
347	abort ();	360	abort ();
348	}	361	}
349		362
350	static int poll_cb (void);	363	static int poll_cb (void);
351	static void req_free (bdb_req req);	364	static void req_free (bdb_req req);
352	static void req_cancel (bdb_req req);
353		365
354	static int req_invoke (bdb_req req)	366	static int req_invoke (bdb_req req)
355	{	367	{
356	dSP;	368	switch (req->type)
		369	{
		370	case REQ_DB_CLOSE:
		371	SvREFCNT_dec (req->sv1);
		372	break;
		373
		374	case REQ_DB_GET:
		375	case REQ_DB_PGET:
		376	case REQ_C_GET:
		377	case REQ_C_PGET:
		378	case REQ_DB_PUT:
		379	case REQ_C_PUT:
		380	dbt_to_sv (req->sv1, &req->dbt1);
		381	dbt_to_sv (req->sv2, &req->dbt2);
		382	dbt_to_sv (req->sv3, &req->dbt3);
		383	break;
		384
		385	case REQ_DB_KEY_RANGE:
		386	{
		387	AV *av = newAV ();
		388
		389	av_push (av, newSVnv (req->key_range.less));
		390	av_push (av, newSVnv (req->key_range.equal));
		391	av_push (av, newSVnv (req->key_range.greater));
		392
		393	av = (AV )newRV_noinc ((SV )av);
		394
		395	SvREADONLY_off (req->sv1);
		396	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		397	SvREFCNT_dec (av);
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
		414
		415	case REQ_ENV_LOG_ARCHIVE:
		416	{
		417	AV *av = newAV ();
		418	char listp = (char )req->buf1;
		419
		420	if (listp)
		421	while (*listp)
		422	av_push (av, newSVpv (*listp, 0)), ++listp;
		423
		424	av = (AV )newRV_noinc ((SV )av);
		425
		426	SvREADONLY_off (req->sv1);
		427	sv_setsv_mg (req->sv1, (SV *)av);
		428	SvREFCNT_dec (av);
		429	SvREFCNT_dec (req->sv1);
		430	}
		431	break;
		432	}
		433
		434	errno = req->result;
357		435
358	if (req->callback)	436	if (req->callback)
359	{	437	{
		438	dSP;
		439
360	ENTER;	440	ENTER;
361	SAVETMPS;	441	SAVETMPS;
362	PUSHMARK (SP);	442	PUSHMARK (SP);
363		443
364	switch (req->type)
365	{
366	case REQ_DB_CLOSE:
367	SvREFCNT_dec (req->sv1);
368	break;
369
370	case REQ_DB_GET:
371	case REQ_DB_PGET:
372	dbt_to_sv (req->sv3, &req->dbt3);
373	break;
374
375	case REQ_C_GET:
376	case REQ_C_PGET:
377	dbt_to_sv (req->sv1, &req->dbt1);
378	dbt_to_sv (req->sv2, &req->dbt2);
379	dbt_to_sv (req->sv3, &req->dbt3);
380	break;
381
382	case REQ_DB_PUT:
383	case REQ_C_PUT:
384	dbt_to_sv (0, &req->dbt1);
385	dbt_to_sv (0, &req->dbt2);
386	break;
387
388	case REQ_DB_KEY_RANGE:
389	{
390	AV *av = newAV ();
391
392	av_push (av, newSVnv (req->key_range.less));
393	av_push (av, newSVnv (req->key_range.equal));
394	av_push (av, newSVnv (req->key_range.greater));
395
396	SvREADONLY_off (req->sv1);
397	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
398	SvREFCNT_dec (req->sv1);
399	}
400	break;
401
402	#if DB_VERSION_MINOR >= 3
403	case REQ_SEQ_GET:
404	SvREADONLY_off (req->sv1);
405
406	if (sizeof (IV) > 4)
407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
408	else
409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
410
411	SvREFCNT_dec (req->sv1);
412	break;
413	#endif
414	}
415
416	errno = req->result;
417
418	PUTBACK;	444	PUTBACK;
419	call_sv (req->callback, G_VOID \| G_EVAL);	445	call_sv (req->callback, G_VOID \| G_EVAL);
420	SPAGAIN;	446	SPAGAIN;
421		447
422	FREETMPS;	448	FREETMPS;
423	LEAVE;	449	LEAVE;
		450
		451	return !SvTRUE (ERRSV);
424	}	452	}
425		453
426	return !SvTRUE (ERRSV);	454	return 1;
427	}	455	}
428		456
429	static void req_free (bdb_req req)	457	static void req_free (bdb_req req)
430	{	458	{
431	SvREFCNT_dec (req->callback);	459	SvREFCNT_dec (req->callback);
…		…
438	free (req->buf3);	466	free (req->buf3);
439		467
440	Safefree (req);	468	Safefree (req);
441	}	469	}
442		470
443	#ifdef USE_SOCKETS_AS_HANDLES
444	# define TO_SOCKET(x) (win32_get_osfhandle (x))
445	#else
446	# define TO_SOCKET(x) (x)
447	#endif
448
449	static void	471	static void
450	create_respipe (void)	472	create_respipe (void)
451	{	473	{
452	#ifdef _WIN32
453	int arg; /* argg */
454	#endif
455	int old_readfd = respipe [0];
456
457	if (respipe [1] >= 0)
458	respipe_close (TO_SOCKET (respipe [1]));
459
460	#ifdef _WIN32
461	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
462	#else
463	if (pipe (respipe))	474	if (s_epipe_renew (&respipe))
464	#endif	475	croak ("BDB: unable to create event pipe");
465	croak ("unable to initialize result pipe");
466
467	if (old_readfd >= 0)
468	{
469	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
470	croak ("unable to initialize result pipe(2)");
471
472	respipe_close (respipe [0]);
473	respipe [0] = old_readfd;
474	}
475
476	#ifdef _WIN32
477	arg = 1;
478	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
479	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
480	#else
481	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
482	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
483	#endif
484	croak ("unable to initialize result pipe(3)");
485
486	respipe_osf [0] = TO_SOCKET (respipe [0]);
487	respipe_osf [1] = TO_SOCKET (respipe [1]);
488	}	476	}
489		477
		478	static void bdb_request (bdb_req req);
490	X_THREAD_PROC (bdb_proc);	479	X_THREAD_PROC (bdb_proc);
491		480
492	static void start_thread (void)	481	static void start_thread (void)
493	{	482	{
494	worker *wrk = calloc (1, sizeof (worker));	483	worker *wrk = calloc (1, sizeof (worker));
…		…
541	}	530	}
542		531
543	// synthesize callback if none given	532	// synthesize callback if none given
544	if (!req->callback)	533	if (!req->callback)
545	{	534	{
		535	if (SvOK (prepare_cb))
		536	{
546	int count;	537	int count;
547		538
548	dSP;	539	dSP;
549	PUSHMARK (SP);	540	PUSHMARK (SP);
550	PUTBACK;	541	PUTBACK;
551	count = call_sv (prepare_cb, G_ARRAY);	542	count = call_sv (prepare_cb, G_ARRAY);
552	SPAGAIN;	543	SPAGAIN;
553		544
554	if (count != 2)	545	if (count != 2)
555	croak ("prepare callback must return exactly two values\n");	546	croak ("sync prepare callback must return exactly two values\n");
556		547
557	wait_callback = POPs;	548	wait_callback = POPs;
558	req->callback = SvREFCNT_inc (POPs);	549	req->callback = SvREFCNT_inc (POPs);
		550	}
		551	else
		552	{
		553	// execute request synchronously
		554	bdb_request (req);
		555	req_invoke (req);
		556	req_free (req);
		557	return;
		558	}
559	}	559	}
560		560
561	++nreqs;	561	++nreqs;
562		562
563	X_LOCK (reqlock);	563	X_LOCK (reqlock);
…		…
577	}	577	}
578	}	578	}
579		579
580	static void end_thread (void)	580	static void end_thread (void)
581	{	581	{
582	bdb_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
583
584	Newz (0, req, 1, bdb_cb);
585		583
586	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
587	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
588		586
589	X_LOCK (reqlock);	587	X_LOCK (reqlock);
…		…
618	end_thread ();	616	end_thread ();
619	}	617	}
620		618
621	static void poll_wait (void)	619	static void poll_wait (void)
622	{	620	{
623	fd_set rfd;
624
625	while (nreqs)	621	while (nreqs)
626	{	622	{
627	int size;	623	int size;
628	if (WORDACCESS_UNSAFE) X_LOCK (reslock);	624	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
629	size = res_queue.size;	625	size = res_queue.size;
…		…
632	if (size)	628	if (size)
633	return;	629	return;
634		630
635	maybe_start_thread ();	631	maybe_start_thread ();
636		632
637	FD_ZERO (&rfd);	633	s_epipe_wait (&respipe);
638	FD_SET (respipe [0], &rfd);
639
640	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
641	}	634	}
642	}	635	}
643		636
644	static int poll_cb (void)	637	static int poll_cb (void)
645	{	638	{
…		…
665	if (req)	658	if (req)
666	{	659	{
667	--npending;	660	--npending;
668		661
669	if (!res_queue.size)	662	if (!res_queue.size)
670	{
671	/* read any signals sent by the worker threads */	663	/* read any signals sent by the worker threads */
672	char buf [4];	664	s_epipe_drain (&respipe);
673	while (respipe_read (respipe [0], buf, 4) == 4)
674	;
675	}
676	}	665	}
677		666
678	X_UNLOCK (reslock);	667	X_UNLOCK (reslock);
679		668
680	if (!req)	669	if (!req)
…		…
762	req->result = req->db->close (req->db, req->uint1);	751	req->result = req->db->close (req->db, req->uint1);
763	break;	752	break;
764		753
765	#if DB_VERSION_MINOR >= 4	754	#if DB_VERSION_MINOR >= 4
766	case REQ_DB_COMPACT:	755	case REQ_DB_COMPACT:
767	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);	756	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
768	break;	757	break;
769	#endif	758	#endif
770		759
771	case REQ_DB_SYNC:	760	case REQ_DB_SYNC:
772	req->result = req->db->sync (req->db, req->uint1);	761	req->result = req->db->sync (req->db, req->uint1);
		762	break;
		763
		764	case REQ_DB_VERIFY:
		765	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
773	break;	766	break;
774		767
775	case REQ_DB_UPGRADE:	768	case REQ_DB_UPGRADE:
776	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);	769	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
777	break;	770	break;
…		…
864	case REQ_SEQ_REMOVE:	857	case REQ_SEQ_REMOVE:
865	req->result = req->seq->remove (req->seq, req->txn, req->uint1);	858	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
866	break;	859	break;
867	#endif	860	#endif
868		861
		862	case REQ_ENV_LOG_ARCHIVE:
		863	{
		864	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		865	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		866	req->buf1 = (char *)listp;
		867	}
		868	break;
		869
869	default:	870	default:
870	req->result = ENOSYS;	871	req->result = ENOSYS;
871	break;	872	break;
872	}	873	}
873		874
…		…
884	/* try to distribute timeouts somewhat evenly */	885	/* try to distribute timeouts somewhat evenly */
885	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);	886	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
886		887
887	for (;;)	888	for (;;)
888	{	889	{
889	ts.tv_sec = time (0) + IDLE_TIMEOUT;	890	ts.tv_sec = time (0) + IDLE_TIMEOUT;
890		891
891	X_LOCK (reqlock);	892	X_LOCK (reqlock);
892		893
893	for (;;)	894	for (;;)
894	{	895	{
…		…
923	--nready;	924	--nready;
924		925
925	X_UNLOCK (reqlock);	926	X_UNLOCK (reqlock);
926		927
927	if (req->type == REQ_QUIT)	928	if (req->type == REQ_QUIT)
		929	{
		930	X_LOCK (reslock);
		931	free (req);
		932	self->req = 0;
		933	X_UNLOCK (reslock);
		934
928	goto quit;	935	goto quit;
		936	}
929		937
930	bdb_request (req);	938	bdb_request (req);
931		939
932	X_LOCK (reslock);	940	X_LOCK (reslock);
933		941
934	++npending;	942	++npending;
935		943
936	if (!reqq_push (&res_queue, req))	944	if (!reqq_push (&res_queue, req))
937	/* write a dummy byte to the pipe so fh becomes ready */	945	s_epipe_signal (&respipe);
938	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
939		946
940	self->req = 0;	947	self->req = 0;
941	worker_clear (self);	948	worker_clear (self);
942		949
943	X_UNLOCK (reslock);	950	X_UNLOCK (reslock);
…		…
1019	(void)0;	1026	(void)0;
1020		1027
1021	#define REQ_SEND \	1028	#define REQ_SEND \
1022	req_send (req)	1029	req_send (req)
1023		1030
1024	#define SvPTR(var, arg, type, class, nullok) \	1031	#define SvPTR(var, arg, type, stash, class, nullok) \
1025	if (!SvOK (arg)) \	1032	if (!SvOK (arg)) \
1026	{ \	1033	{ \
1027	if (nullok != 1) \	1034	if (nullok != 1) \
1028	croak (# var " must be a " # class " object, not undef"); \	1035	croak (# var " must be a " # class " object, not undef"); \
1029	\	1036	\
1030	(var) = 0; \	1037	(var) = 0; \
1031	} \	1038	} \
1032	else if (sv_derived_from ((arg), # class)) \	1039	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
1033	{ \	1040	{ \
1034	IV tmp = SvIV ((SV*) SvRV (arg)); \	1041	IV tmp = SvIV ((SV*) SvRV (arg)); \
1035	(var) = INT2PTR (type, tmp); \	1042	(var) = INT2PTR (type, tmp); \
1036	if (!var && nullok != 2) \	1043	if (!var && nullok != 2) \
1037	croak (# var " is not a valid " # class " object anymore"); \	1044	croak (# var " is not a valid " # class " object anymore"); \
1038	} \	1045	} \
1039	else \	1046	else \
1040	croak (# var " is not of type " # class);	1047	croak (# var " is not of type " # class);
		1048
		1049	#define ARG_MUTABLE(name) \
		1050	if (SvREADONLY (name)) \
		1051	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1052
		1053	static SV *
		1054	newSVptr (void ptr, HV stash)
		1055	{
		1056	SV *rv = NEWSV (0, 0);
		1057	sv_upgrade (rv, SVt_PVMG);
		1058	sv_setiv (rv, PTR2IV (ptr));
		1059
		1060	return sv_bless (newRV_noinc (rv), stash);
		1061	}
1041		1062
1042	static void	1063	static void
1043	ptr_nuke (SV *sv)	1064	ptr_nuke (SV *sv)
1044	{	1065	{
1045	assert (SvROK (sv));	1066	assert (SvROK (sv));
…		…
1116	}	1137	}
1117		1138
1118	return 0;	1139	return 0;
1119	}	1140	}
1120		1141
		1142	/*****************************************************************************/
		1143
		1144	#if 0
		1145	static int
		1146	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1151	size1 <= size2 ? size1 : size2);
		1152
		1153	if (res)
		1154	return res;
		1155	else if (size1 - size2)
		1156	return size1 - size2;
		1157	else
		1158	return 0;
		1159	}
		1160
		1161	static size_t
		1162	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1163	{
		1164	ssize_t size1 = dbt1->size;
		1165	ssize_t size2 = dbt2->size;
		1166	u_int8_t p1 = (u_int8_t )dbt1->data;
		1167	u_int8_t p2 = (u_int8_t )dbt2->data;
		1168	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1169
		1170	while (p1 < pe)
		1171	if (p1++ != p2++)
		1172	return p1 - (u_int8_t *)dbt1->data - 1;
		1173
		1174	if (size1 < size2) return size1 + 1;
		1175	if (size1 > size2) return size2 + 1;
		1176
		1177	return size1;
		1178	}
		1179	#endif
		1180
		1181	/*****************************************************************************/
		1182
1121	/* stupid windoes defined CALLBACK as well */	1183	/* stupid windows defines CALLBACK as well */
1122	#undef CALLBACK	1184	#undef CALLBACK
1123	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));	1185	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1124		1186
1125	MODULE = BDB PACKAGE = BDB	1187	MODULE = BDB PACKAGE = BDB
1126		1188
1127	PROTOTYPES: ENABLE	1189	PROTOTYPES: ENABLE
1128		1190
1129	BOOT:	1191	BOOT:
1130	{	1192	{
1131	HV *stash = gv_stashpv ("BDB", 1);	1193	bdb_stash = gv_stashpv ("BDB" , 1);
		1194	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1195	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1196	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1197	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1198	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
1132		1199
1133	static const struct {	1200	static const struct {
1134	const char *name;	1201	const char *name;
1135	IV iv;	1202	IV iv;
1136	} *civ, const_iv[] = {	1203	} *civ, const_iv[] = {
…		…
1179	const_iv (NOSYNC)	1246	const_iv (NOSYNC)
1180	const_iv (CHKSUM)	1247	const_iv (CHKSUM)
1181	const_iv (ENCRYPT)	1248	const_iv (ENCRYPT)
1182	const_iv (DUP)	1249	const_iv (DUP)
1183	const_iv (DUPSORT)	1250	const_iv (DUPSORT)
1184	const_iv (RECNUM)	1251	//const_iv (RECNUM)
1185	const_iv (RENUMBER)	1252	const_iv (RENUMBER)
1186	const_iv (REVSPLITOFF)	1253	const_iv (REVSPLITOFF)
1187	const_iv (CONSUME)	1254	const_iv (CONSUME)
1188	const_iv (CONSUME_WAIT)	1255	const_iv (CONSUME_WAIT)
1189	const_iv (GET_BOTH)	1256	const_iv (GET_BOTH)
…		…
1261	const_iv (REP_UNAVAIL)	1328	const_iv (REP_UNAVAIL)
1262	const_iv (RUNRECOVERY)	1329	const_iv (RUNRECOVERY)
1263	const_iv (SECONDARY_BAD)	1330	const_iv (SECONDARY_BAD)
1264	const_iv (VERIFY_BAD)	1331	const_iv (VERIFY_BAD)
1265		1332
		1333	const_iv (SALVAGE)
		1334	const_iv (AGGRESSIVE)
		1335	const_iv (PRINTABLE)
		1336	const_iv (NOORDERCHK)
		1337	const_iv (ORDERCHKONLY)
		1338
		1339	const_iv (ARCH_ABS)
		1340	const_iv (ARCH_DATA)
		1341	const_iv (ARCH_LOG)
		1342	const_iv (ARCH_REMOVE)
		1343
1266	const_iv (VERB_DEADLOCK)	1344	const_iv (VERB_DEADLOCK)
1267	const_iv (VERB_RECOVERY)	1345	const_iv (VERB_RECOVERY)
1268	const_iv (VERB_REPLICATION)	1346	const_iv (VERB_REPLICATION)
1269	const_iv (VERB_WAITSFOR)	1347	const_iv (VERB_WAITSFOR)
1270		1348
…		…
1303	const_iv (PRIORITY_VERY_LOW)	1381	const_iv (PRIORITY_VERY_LOW)
1304	const_iv (PRIORITY_LOW)	1382	const_iv (PRIORITY_LOW)
1305	const_iv (PRIORITY_DEFAULT)	1383	const_iv (PRIORITY_DEFAULT)
1306	const_iv (PRIORITY_HIGH)	1384	const_iv (PRIORITY_HIGH)
1307	const_iv (PRIORITY_VERY_HIGH)	1385	const_iv (PRIORITY_VERY_HIGH)
		1386	const_iv (IGNORE_LEASE)
1308	#endif	1387	#endif
1309	#if DB_VERSION_MINOR >= 7	1388	#if DB_VERSION_MINOR >= 7
		1389	//const_iv (MULTIPLE_KEY)
1310	const_iv (LOG_DIRECT)	1390	const_iv (LOG_DIRECT)
1311	const_iv (LOG_DSYNC)	1391	const_iv (LOG_DSYNC)
1312	const_iv (LOG_AUTO_REMOVE)	1392	const_iv (LOG_AUTO_REMOVE)
1313	const_iv (LOG_IN_MEMORY)	1393	const_iv (LOG_IN_MEMORY)
1314	const_iv (LOG_ZERO)	1394	const_iv (LOG_ZERO)
…		…
1321	# endif	1401	# endif
1322	#endif	1402	#endif
1323	};	1403	};
1324		1404
1325	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1405	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1326	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1406	newCONSTSUB (bdb_stash, (char *)civ->name, newSViv (civ->iv));
		1407
		1408	prepare_cb = &PL_sv_undef;
1327		1409
1328	{	1410	{
1329	/* we currently only allow version, minor-version and patchlevel to go up to 255 */	1411	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
1330	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };	1412	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
1331		1413
1332	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));	1414	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
1333	}	1415	}
1334		1416
1335	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));	1417	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1336		1418
1337	create_respipe ();	1419	create_respipe ();
1338		1420
1339	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);	1421	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1340	patch_errno ();	1422	patch_errno ();
…		…
1418		1500
1419	int	1501	int
1420	poll_fileno ()	1502	poll_fileno ()
1421	PROTOTYPE:	1503	PROTOTYPE:
1422	CODE:	1504	CODE:
1423	RETVAL = respipe [0];	1505	RETVAL = s_epipe_fd (&respipe);
1424	OUTPUT:	1506	OUTPUT:
1425	RETVAL	1507	RETVAL
1426		1508
1427	int	1509	int
1428	poll_cb (...)	1510	poll_cb (...)
…		…
1470	RETVAL = started;	1552	RETVAL = started;
1471	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);	1553	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1472	OUTPUT:	1554	OUTPUT:
1473	RETVAL	1555	RETVAL
1474		1556
1475	void	1557	SV *
1476	set_sync_prepare (SV *cb)	1558	set_sync_prepare (SV *cb)
1477	PROTOTYPE: &	1559	PROTOTYPE: &
1478	CODE:	1560	CODE:
1479	SvREFCNT_dec (prepare_cb);	1561	RETVAL = prepare_cb;
1480	prepare_cb = newSVsv (cb);	1562	prepare_cb = newSVsv (cb);
		1563	OUTPUT:
		1564	RETVAL
1481		1565
1482	char *	1566	char *
1483	strerror (int errorno = errno)	1567	strerror (int errorno = errno)
1484	PROTOTYPE: ;$	1568	PROTOTYPE: ;$
1485	CODE:	1569	CODE:
…		…
1527	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)	1611	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
1528	PREINIT:	1612	PREINIT:
1529	CALLBACK	1613	CALLBACK
1530	CODE:	1614	CODE:
1531	{	1615	{
1532	dREQ (REQ_ENV_CLOSE, 1);	1616	dREQ (REQ_ENV_CLOSE, 0);
		1617	ptr_nuke (ST (0));
1533	req->env = env;	1618	req->env = env;
1534	req->uint1 = flags;	1619	req->uint1 = flags;
1535	REQ_SEND;	1620	REQ_SEND;
1536	ptr_nuke (ST (0));
1537	}	1621	}
1538		1622
1539	void	1623	void
1540	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)	1624	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
1541	PREINIT:	1625	PREINIT:
…		…
1610	dREQ (REQ_ENV_DBRENAME, 2);	1694	dREQ (REQ_ENV_DBRENAME, 2);
1611	req->env = env;	1695	req->env = env;
1612	req->buf1 = strdup_ornull (file);	1696	req->buf1 = strdup_ornull (file);
1613	req->buf2 = strdup_ornull (database);	1697	req->buf2 = strdup_ornull (database);
1614	req->buf3 = strdup_ornull (newname);	1698	req->buf3 = strdup_ornull (newname);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1710	req->sv1 = SvREFCNT_inc (listp);
		1711	req->env = env;
1615	req->uint1 = flags;	1712	req->uint1 = flags;
1616	REQ_SEND;	1713	REQ_SEND;
1617	}	1714	}
1618		1715
1619	DB *	1716	DB *
…		…
1651	db_close (DB db, U32 flags = 0, SV callback = 0)	1748	db_close (DB db, U32 flags = 0, SV callback = 0)
1652	PREINIT:	1749	PREINIT:
1653	CALLBACK	1750	CALLBACK
1654	CODE:	1751	CODE:
1655	{	1752	{
1656	dREQ (REQ_DB_CLOSE, 1);	1753	dREQ (REQ_DB_CLOSE, 0);
		1754	ptr_nuke (ST (0));
1657	req->db = db;	1755	req->db = db;
1658	req->uint1 = flags;	1756	req->uint1 = flags;
1659	req->sv1 = (SV *)db->app_private;	1757	req->sv1 = (SV *)db->app_private;
1660	REQ_SEND;	1758	REQ_SEND;
1661	ptr_nuke (ST (0));
1662	}	1759	}
1663		1760
1664	#if DB_VERSION_MINOR >= 4	1761	#if DB_VERSION_MINOR >= 4
1665		1762
1666	void	1763	void
…		…
1670	CODE:	1767	CODE:
1671	{	1768	{
1672	dREQ (REQ_DB_COMPACT, 2);	1769	dREQ (REQ_DB_COMPACT, 2);
1673	req->db = db;	1770	req->db = db;
1674	req->txn = txn;	1771	req->txn = txn;
1675	sv_to_dbt (&req->dbt1, start);	1772	if (start) sv_to_dbt (&req->dbt1, start);
1676	sv_to_dbt (&req->dbt2, stop);	1773	if (stop ) sv_to_dbt (&req->dbt2, stop );
1677	req->uint1 = flags;	1774	req->uint1 = flags;
1678	REQ_SEND;	1775	REQ_SEND;
1679	}	1776	}
1680		1777
1681	#endif	1778	#endif
…		…
1691	req->uint1 = flags;	1788	req->uint1 = flags;
1692	REQ_SEND;	1789	REQ_SEND;
1693	}	1790	}
1694		1791
1695	void	1792	void
		1793	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1794	PREINIT:
		1795	CALLBACK
		1796	CODE:
		1797	{
		1798	dREQ (REQ_DB_VERIFY, 1);
		1799	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1800	req->db = db;
		1801	req->buf1 = strdup (file);
		1802	req->buf2 = strdup_ornull (database);
		1803	req->uint1 = flags;
		1804	REQ_SEND;
		1805	}
		1806
		1807	void
1696	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)	1808	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
1697	PREINIT:	1809	PREINIT:
1698	CALLBACK	1810	CALLBACK
1699	CODE:	1811	CODE:
1700	{	1812	{
1701	dREQ (REQ_DB_SYNC, 1);	1813	dREQ (REQ_DB_UPGRADE, 1);
1702	req->db = db;	1814	req->db = db;
1703	req->buf1 = strdup (file);	1815	req->buf1 = strdup (file);
1704	req->uint1 = flags;	1816	req->uint1 = flags;
1705	REQ_SEND;	1817	REQ_SEND;
1706	}	1818	}
1707		1819
1708	void	1820	void
1709	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = 0)	1821	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
1710	PREINIT:	1822	PREINIT:
1711	CALLBACK	1823	CALLBACK
1712	CODE:	1824	CODE:
1713	{	1825	{
1714	dREQ (REQ_DB_KEY_RANGE, 2);	1826	dREQ (REQ_DB_KEY_RANGE, 2);
…		…
1752	}	1864	}
1753		1865
1754	#endif	1866	#endif
1755		1867
1756	void	1868	void
1757	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)	1869	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
1758	PREINIT:	1870	PREINIT:
1759	CALLBACK	1871	CALLBACK
1760	CODE:	1872	CODE:
1761	if (SvREADONLY (data))
1762	croak ("can't modify read-only data scalar in db_get");
1763	{	1873	{
		1874	//TODO: key is somtimesmutable
1764	dREQ (REQ_DB_GET, 2);	1875	dREQ (REQ_DB_GET, 2);
1765	req->db = db;	1876	req->db = db;
1766	req->txn = txn;	1877	req->txn = txn;
1767	req->uint1 = flags;	1878	req->uint1 = flags;
1768	sv_to_dbt (&req->dbt1, key);	1879	sv_to_dbt (&req->dbt1, key);
…		…
1770	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1881	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1771	REQ_SEND;	1882	REQ_SEND;
1772	}	1883	}
1773		1884
1774	void	1885	void
1775	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = 0)	1886	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
1776	PREINIT:	1887	PREINIT:
1777	CALLBACK	1888	CALLBACK
1778	CODE:	1889	CODE:
1779	if (SvREADONLY (data))
1780	croak ("can't modify read-only data scalar in db_pget");
1781	{	1890	{
		1891	//TODO: key is somtimesmutable
1782	dREQ (REQ_DB_PGET, 2);	1892	dREQ (REQ_DB_PGET, 2);
1783	req->db = db;	1893	req->db = db;
1784	req->txn = txn;	1894	req->txn = txn;
1785	req->uint1 = flags;	1895	req->uint1 = flags;
		1896
1786	sv_to_dbt (&req->dbt1, key);	1897	sv_to_dbt (&req->dbt1, key);
1787	sv_to_dbt (&req->dbt2, pkey);	1898
		1899	req->dbt2.flags = DB_DBT_MALLOC;
		1900	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1901
1788	req->dbt3.flags = DB_DBT_MALLOC;	1902	req->dbt3.flags = DB_DBT_MALLOC;
1789	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1903	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1790	REQ_SEND;	1904	REQ_SEND;
1791	}	1905	}
1792		1906
…		…
1808	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)	1922	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
1809	PREINIT:	1923	PREINIT:
1810	CALLBACK	1924	CALLBACK
1811	CODE:	1925	CODE:
1812	{	1926	{
1813	dREQ (REQ_TXN_COMMIT, 1);	1927	dREQ (REQ_TXN_COMMIT, 0);
		1928	ptr_nuke (ST (0));
1814	req->txn = txn;	1929	req->txn = txn;
1815	req->uint1 = flags;	1930	req->uint1 = flags;
1816	REQ_SEND;	1931	REQ_SEND;
		1932	}
		1933
		1934	void
		1935	db_txn_abort (DB_TXN txn, SV callback = 0)
		1936	PREINIT:
		1937	CALLBACK
		1938	CODE:
		1939	{
		1940	dREQ (REQ_TXN_ABORT, 0);
1817	ptr_nuke (ST (0));	1941	ptr_nuke (ST (0));
1818	}
1819
1820	void
1821	db_txn_abort (DB_TXN txn, SV callback = 0)
1822	PREINIT:
1823	CALLBACK
1824	CODE:
1825	{
1826	dREQ (REQ_TXN_ABORT, 1);
1827	req->txn = txn;	1942	req->txn = txn;
1828	REQ_SEND;	1943	REQ_SEND;
		1944	}
		1945
		1946	void
		1947	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1948	PREINIT:
		1949	CALLBACK
		1950	CODE:
		1951	{
		1952	dREQ (REQ_TXN_FINISH, 0);
1829	ptr_nuke (ST (0));	1953	ptr_nuke (ST (0));
1830	}
1831
1832	void
1833	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
1834	PREINIT:
1835	CALLBACK
1836	CODE:
1837	{
1838	dREQ (REQ_TXN_FINISH, 1);
1839	req->txn = txn;	1954	req->txn = txn;
1840	req->uint1 = flags;	1955	req->uint1 = flags;
1841	REQ_SEND;	1956	REQ_SEND;
		1957	}
		1958
		1959	void
		1960	db_c_close (DBC dbc, SV callback = 0)
		1961	PREINIT:
		1962	CALLBACK
		1963	CODE:
		1964	{
		1965	dREQ (REQ_C_CLOSE, 0);
1842	ptr_nuke (ST (0));	1966	ptr_nuke (ST (0));
1843	}
1844
1845	void
1846	db_c_close (DBC dbc, SV callback = 0)
1847	PREINIT:
1848	CALLBACK
1849	CODE:
1850	{
1851	dREQ (REQ_C_CLOSE, 1);
1852	req->dbc = dbc;	1967	req->dbc = dbc;
1853	REQ_SEND;	1968	REQ_SEND;
1854	ptr_nuke (ST (0));
1855	}	1969	}
1856		1970
1857	void	1971	void
1858	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)	1972	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
1859	PREINIT:	1973	PREINIT:
…		…
1879	req->uint1 = flags;	1993	req->uint1 = flags;
1880	REQ_SEND;	1994	REQ_SEND;
1881	}	1995	}
1882		1996
1883	void	1997	void
1884	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)	1998	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
1885	PREINIT:	1999	PREINIT:
1886	CALLBACK	2000	CALLBACK
1887	CODE:	2001	CODE:
1888	{	2002	{
		2003	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2004	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2005	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2006	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2007	"key",
		2008	"BDB::db_c_get");
		2009
		2010	{
1889	dREQ (REQ_C_GET, 1);	2011	dREQ (REQ_C_GET, 1);
1890	req->dbc = dbc;	2012	req->dbc = dbc;
1891	req->uint1 = flags;	2013	req->uint1 = flags;
1892	if ((flags & DB_SET) == DB_SET	2014	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
1893	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1894	sv_to_dbt (&req->dbt1, key);	2015	sv_to_dbt (&req->dbt1, key);
1895	else	2016	else
		2017	{
		2018	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2019	sv_to_dbt (&req->dbt1, key);
		2020	else
1896	req->dbt1.flags = DB_DBT_MALLOC;	2021	req->dbt1.flags = DB_DBT_MALLOC;
1897		2022
1898	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2023	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2024	}
1899		2025
1900	if ((flags & DB_GET_BOTH) == DB_GET_BOTH	2026	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
1901	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)	2027	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
1902	sv_to_dbt (&req->dbt3, data);	2028	sv_to_dbt (&req->dbt3, data);
1903	else	2029	else
1904	req->dbt3.flags = DB_DBT_MALLOC;	2030	req->dbt3.flags = DB_DBT_MALLOC;
1905		2031
1906	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	2032	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1907	REQ_SEND;	2033	REQ_SEND;
		2034	}
1908	}	2035	}
1909		2036
1910	void	2037	void
1911	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = 0)	2038	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
1912	PREINIT:	2039	PREINIT:
1913	CALLBACK	2040	CALLBACK
1914	CODE:	2041	CODE:
1915	{	2042	{
		2043	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2044	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2045	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2046	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2047	"key",
		2048	"BDB::db_c_pget");
		2049
		2050	{
1916	dREQ (REQ_C_PGET, 1);	2051	dREQ (REQ_C_PGET, 1);
1917	req->dbc = dbc;	2052	req->dbc = dbc;
1918	req->uint1 = flags;	2053	req->uint1 = flags;
1919	if ((flags & DB_SET) == DB_SET	2054	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
1920	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1921	sv_to_dbt (&req->dbt1, key);	2055	sv_to_dbt (&req->dbt1, key);
1922	else	2056	else
		2057	{
		2058	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2059	sv_to_dbt (&req->dbt1, key);
		2060	else
		2061	req->dbt1.flags = DB_DBT_MALLOC;
		2062
		2063	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2064	}
		2065
1923	req->dbt1.flags = DB_DBT_MALLOC;	2066	req->dbt2.flags = DB_DBT_MALLOC;
1924
1925	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1926
1927	req->dbt2.flags = DB_DBT_MALLOC;
1928	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);	2067	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1929		2068
1930	if ((flags & DB_GET_BOTH) == DB_GET_BOTH	2069	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
1931	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)	2070	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
1932	sv_to_dbt (&req->dbt3, data);	2071	sv_to_dbt (&req->dbt3, data);
1933	else	2072	else
1934	req->dbt3.flags = DB_DBT_MALLOC;	2073	req->dbt3.flags = DB_DBT_MALLOC;
1935		2074
1936	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	2075	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1937	REQ_SEND;	2076	REQ_SEND;
		2077	}
1938	}	2078	}
1939		2079
1940	void	2080	void
1941	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)	2081	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
1942	PREINIT:	2082	PREINIT:
…		…
1970	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)	2110	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
1971	PREINIT:	2111	PREINIT:
1972	CALLBACK	2112	CALLBACK
1973	CODE:	2113	CODE:
1974	{	2114	{
1975	dREQ (REQ_SEQ_CLOSE, 1);	2115	dREQ (REQ_SEQ_CLOSE, 0);
		2116	ptr_nuke (ST (0));
1976	req->seq = seq;	2117	req->seq = seq;
1977	req->uint1 = flags;	2118	req->uint1 = flags;
1978	REQ_SEND;	2119	REQ_SEND;
1979	ptr_nuke (ST (0));
1980	}	2120	}
1981		2121
1982	void	2122	void
1983	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)	2123	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
1984	PREINIT:	2124	PREINIT:
1985	CALLBACK	2125	CALLBACK
1986	CODE:	2126	CODE:
1987	{	2127	{
1988	dREQ (REQ_SEQ_GET, 2);	2128	dREQ (REQ_SEQ_GET, 2);
…		…
2217	CODE:	2357	CODE:
2218	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2358	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
2219	OUTPUT:	2359	OUTPUT:
2220	RETVAL	2360	RETVAL
2221		2361
		2362	int set_pagesize (DB *db, U32 pagesize)
		2363	CODE:
		2364	RETVAL = db->set_pagesize (db, pagesize);
		2365	OUTPUT:
		2366	RETVAL
		2367
2222	int set_flags (DB *db, U32 flags)	2368	int set_flags (DB *db, U32 flags)
2223	CODE:	2369	CODE:
2224	RETVAL = db->set_flags (db, flags);	2370	RETVAL = db->set_flags (db, flags);
2225	OUTPUT:	2371	OUTPUT:
2226	RETVAL	2372	RETVAL

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Comparing BDB/BDB.xs (file contents): Revision 1.51 by root, Thu Sep 25 13:28:37 2008 UTC vs. Revision 1.71 by root, Thu Nov 12 00:39:58 2009 UTC

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Comparing BDB/BDB.xs (file contents):
Revision 1.51 by root, Thu Sep 25 13:28:37 2008 UTC vs.
Revision 1.71 by root, Thu Nov 12 00:39:58 2009 UTC