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Comparing BDB/BDB.xs (file contents):
Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC vs.
Revision 1.62 by root, Mon Oct 20 04:21:53 2008 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
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		42
45	typedef DB_ENV DB_ENV_ornull;	43	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	44	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	45	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	46	typedef DB DB_ornull;
		47
		48	typedef DB_ENV DB_ENV_ornuked;
		49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
49	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		56	#endif
50		57
51	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef char *bdb_filename;
52	typedef char *octetstring;
53		59
54	static SV *prepare_cb;	60	static SV *prepare_cb;
55		61
		62	#if DB_VERSION_MINOR >= 6
		63	# define c_close close
		64	# define c_count count
		65	# define c_del del
		66	# define c_dup dup
		67	# define c_get get
		68	# define c_pget pget
		69	# define c_put put
		70	#endif
		71
56	static inline char *	72	static char *
		73	get_bdb_filename (SV *sv)
		74	{
		75	if (!SvOK (sv))
		76	return 0;
		77
		78	#if _WIN32
		79	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		80	{
		81	STRLEN len;
		82	char *src = SvPVbyte (sv, len);
		83	SV *t1 = sv_newmortal ();
		84	SV *t2 = sv_newmortal ();
		85
		86	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		87	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		88
		89	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		90	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		91	SvPOK_only (t2);
		92	SvPVX (t2)[len] = 0;
		93	SvCUR_set (t2, len);
		94
		95	return SvPVX (t2);
		96	}
		97	#else
		98	return SvPVbyte_nolen (sv);
		99	#endif
		100	}
		101
		102	static void
		103	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		104	{
		105	printf ("err[%s]\n", msg);
		106	}
		107
		108	static void
		109	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		110	{
		111	printf ("msg[%s]\n", msg);
		112	}
		113
		114	static char *
57	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
58	{	116	{
59	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
60	}	118	}
61		119
62	static inline void	120	static void
63	sv_to_dbt (DBT *dbt, SV *sv)	121	sv_to_dbt (DBT *dbt, SV *sv)
64	{	122	{
65	STRLEN len;	123	STRLEN len;
66	char *data = SvPVbyte (sv, len);	124	char *data = SvPVbyte (sv, len);
67		125
…		…
69	memcpy (dbt->data, data, len);	127	memcpy (dbt->data, data, len);
70	dbt->size = len;	128	dbt->size = len;
71	dbt->flags = DB_DBT_REALLOC;	129	dbt->flags = DB_DBT_REALLOC;
72	}	130	}
73		131
74	static inline void	132	static void
75	dbt_to_sv (SV *sv, DBT *dbt)	133	dbt_to_sv (SV *sv, DBT *dbt)
76	{	134	{
77	if (sv)	135	if (sv)
78	{	136	{
79	SvREADONLY_off (sv);	137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
80	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setpvn_mg (sv, dbt->data, dbt->size);
		141	else
		142	sv_setsv_mg (sv, &PL_sv_undef);
		143
81	SvREFCNT_dec (sv);	144	SvREFCNT_dec (sv);
82	}	145	}
83		146
84	free (dbt->data);	147	free (dbt->data);
85	}	148	}
86		149
87	enum {	150	enum {
88	REQ_QUIT,	151	REQ_QUIT,
89	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
90	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
91	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	154	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
92	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	155	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
93	REQ_TXN_COMMIT, REQ_TXN_ABORT,	156	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
94	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	157	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
95	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	158	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
96	};	159	};
97		160
98	typedef struct aio_cb	161	typedef struct bdb_cb
99	{	162	{
100	struct aio_cb *volatile next;	163	struct bdb_cb *volatile next;
101	SV *callback;	164	SV *callback;
102	int type, pri, result;	165	int type, pri, result;
103		166
104	DB_ENV *env;	167	DB_ENV *env;
105	DB *db;	168	DB *db;
…		…
107	DBC *dbc;	170	DBC *dbc;
108		171
109	UV uv1;	172	UV uv1;
110	int int1, int2;	173	int int1, int2;
111	U32 uint1, uint2;	174	U32 uint1, uint2;
112	char *buf1, *buf2;	175	char *buf1, *buf2, *buf3;
113	SV *sv1, *sv2, *sv3;	176	SV *sv1, *sv2, *sv3;
114		177
115	DBT dbt1, dbt2, dbt3;	178	DBT dbt1, dbt2, dbt3;
116	DB_KEY_RANGE key_range;	179	DB_KEY_RANGE key_range;
		180	#if DB_VERSION_MINOR >= 3
117	DB_SEQUENCE *seq;	181	DB_SEQUENCE *seq;
118	db_seq_t seq_t;	182	db_seq_t seq_t;
119	} aio_cb;	183	#endif
120		184
		185	SV *rsv1, *rsv2; // keep some request objects alive
		186	} bdb_cb;
		187
121	typedef aio_cb *aio_req;	188	typedef bdb_cb *bdb_req;
122		189
123	enum {	190	enum {
124	PRI_MIN = -4,	191	PRI_MIN = -4,
125	PRI_MAX = 4,	192	PRI_MAX = 4,
126		193
…		…
129	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	196	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
130	};	197	};
131		198
132	#define AIO_TICKS ((1000000 + 1023) >> 10)	199	#define AIO_TICKS ((1000000 + 1023) >> 10)
133		200
		201	static SV *on_next_submit;
		202
134	static unsigned int max_poll_time = 0;	203	static unsigned int max_poll_time = 0;
135	static unsigned int max_poll_reqs = 0;	204	static unsigned int max_poll_reqs = 0;
136		205
137	/* calculcate time difference in ~1/AIO_TICKS of a second */	206	/* calculcate time difference in ~1/AIO_TICKS of a second */
138	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	207	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
143		212
144	static int next_pri = DEFAULT_PRI + PRI_BIAS;	213	static int next_pri = DEFAULT_PRI + PRI_BIAS;
145		214
146	static unsigned int started, idle, wanted;	215	static unsigned int started, idle, wanted;
147		216
148	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
149	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
150	#else
151	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
152	#endif
153
154	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
155	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
156
157	/* worker threads management */	217	/* worker threads management */
158	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	218	static mutex_t wrklock = X_MUTEX_INIT;
159		219
160	typedef struct worker {	220	typedef struct worker {
161	/* locked by wrklock */	221	/* locked by wrklock */
162	struct worker *prev, *next;	222	struct worker *prev, *next;
163		223
164	pthread_t tid;	224	thread_t tid;
165		225
166	/* locked by reslock, reqlock or wrklock */	226	/* locked by reslock, reqlock or wrklock */
167	aio_req req; /* currently processed request */	227	bdb_req req; /* currently processed request */
168	void *dbuf;	228	void *dbuf;
169	DIR *dirp;	229	DIR *dirp;
170	} worker;	230	} worker;
171		231
172	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	232	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
184	}	244	}
185		245
186	static volatile unsigned int nreqs, nready, npending;	246	static volatile unsigned int nreqs, nready, npending;
187	static volatile unsigned int max_idle = 4;	247	static volatile unsigned int max_idle = 4;
188	static volatile unsigned int max_outstanding = 0xffffffff;	248	static volatile unsigned int max_outstanding = 0xffffffff;
189	static int respipe [2];	249	static int respipe_osf [2], respipe [2] = { -1, -1 };
190		250
191	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	251	static mutex_t reslock = X_MUTEX_INIT;
192	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	252	static mutex_t reqlock = X_MUTEX_INIT;
193	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	253	static cond_t reqwait = X_COND_INIT;
194		254
195	#if WORDACCESS_UNSAFE	255	#if WORDACCESS_UNSAFE
196		256
197	static unsigned int get_nready ()	257	static unsigned int get_nready (void)
198	{	258	{
199	unsigned int retval;	259	unsigned int retval;
200		260
201	LOCK (reqlock);	261	X_LOCK (reqlock);
202	retval = nready;	262	retval = nready;
203	UNLOCK (reqlock);	263	X_UNLOCK (reqlock);
204		264
205	return retval;	265	return retval;
206	}	266	}
207		267
208	static unsigned int get_npending ()	268	static unsigned int get_npending (void)
209	{	269	{
210	unsigned int retval;	270	unsigned int retval;
211		271
212	LOCK (reslock);	272	X_LOCK (reslock);
213	retval = npending;	273	retval = npending;
214	UNLOCK (reslock);	274	X_UNLOCK (reslock);
215		275
216	return retval;	276	return retval;
217	}	277	}
218		278
219	static unsigned int get_nthreads ()	279	static unsigned int get_nthreads (void)
220	{	280	{
221	unsigned int retval;	281	unsigned int retval;
222		282
223	LOCK (wrklock);	283	X_LOCK (wrklock);
224	retval = started;	284	retval = started;
225	UNLOCK (wrklock);	285	X_UNLOCK (wrklock);
226		286
227	return retval;	287	return retval;
228	}	288	}
229		289
230	#else	290	#else
…		…
239	* a somewhat faster data structure might be nice, but	299	* a somewhat faster data structure might be nice, but
240	* with 8 priorities this actually needs <20 insns	300	* with 8 priorities this actually needs <20 insns
241	* per shift, the most expensive operation.	301	* per shift, the most expensive operation.
242	*/	302	*/
243	typedef struct {	303	typedef struct {
244	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	304	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
245	int size;	305	int size;
246	} reqq;	306	} reqq;
247		307
248	static reqq req_queue;	308	static reqq req_queue;
249	static reqq res_queue;	309	static reqq res_queue;
250		310
251	int reqq_push (reqq *q, aio_req req)	311	int reqq_push (reqq *q, bdb_req req)
252	{	312	{
253	int pri = req->pri;	313	int pri = req->pri;
254	req->next = 0;	314	req->next = 0;
255		315
256	if (q->qe[pri])	316	if (q->qe[pri])
…		…
262	q->qe[pri] = q->qs[pri] = req;	322	q->qe[pri] = q->qs[pri] = req;
263		323
264	return q->size++;	324	return q->size++;
265	}	325	}
266		326
267	aio_req reqq_shift (reqq *q)	327	bdb_req reqq_shift (reqq *q)
268	{	328	{
269	int pri;	329	int pri;
270		330
271	if (!q->size)	331	if (!q->size)
272	return 0;	332	return 0;
273		333
274	--q->size;	334	--q->size;
275		335
276	for (pri = NUM_PRI; pri--; )	336	for (pri = NUM_PRI; pri--; )
277	{	337	{
278	aio_req req = q->qs[pri];	338	bdb_req req = q->qs[pri];
279		339
280	if (req)	340	if (req)
281	{	341	{
282	if (!(q->qs[pri] = req->next))	342	if (!(q->qs[pri] = req->next))
283	q->qe[pri] = 0;	343	q->qe[pri] = 0;
…		…
287	}	347	}
288		348
289	abort ();	349	abort ();
290	}	350	}
291		351
292	static int poll_cb ();	352	static int poll_cb (void);
293	static void req_free (aio_req req);	353	static void req_free (bdb_req req);
294	static void req_cancel (aio_req req);
295		354
296	static int req_invoke (aio_req req)	355	static int req_invoke (bdb_req req)
297	{	356	{
298	dSP;	357	switch (req->type)
299
300	if (SvOK (req->callback))
301	{	358	{
		359	case REQ_DB_CLOSE:
		360	SvREFCNT_dec (req->sv1);
		361	break;
		362
		363	case REQ_DB_GET:
		364	case REQ_DB_PGET:
		365	case REQ_C_GET:
		366	case REQ_C_PGET:
		367	case REQ_DB_PUT:
		368	case REQ_C_PUT:
		369	dbt_to_sv (req->sv1, &req->dbt1);
		370	dbt_to_sv (req->sv2, &req->dbt2);
		371	dbt_to_sv (req->sv3, &req->dbt3);
		372	break;
		373
		374	case REQ_DB_KEY_RANGE:
		375	{
		376	AV *av = newAV ();
		377
		378	av_push (av, newSVnv (req->key_range.less));
		379	av_push (av, newSVnv (req->key_range.equal));
		380	av_push (av, newSVnv (req->key_range.greater));
		381
		382	SvREADONLY_off (req->sv1);
		383	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		384	SvREFCNT_dec (req->sv1);
		385	}
		386	break;
		387
		388	#if DB_VERSION_MINOR >= 3
		389	case REQ_SEQ_GET:
		390	SvREADONLY_off (req->sv1);
		391
		392	if (sizeof (IV) > 4)
		393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		394	else
		395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		396
		397	SvREFCNT_dec (req->sv1);
		398	break;
		399	#endif
		400	}
		401
		402	errno = req->result;
		403
		404	if (req->callback)
		405	{
		406	dSP;
		407
302	ENTER;	408	ENTER;
303	SAVETMPS;	409	SAVETMPS;
304	PUSHMARK (SP);	410	PUSHMARK (SP);
305		411
306	switch (req->type)
307	{
308	case REQ_DB_CLOSE:
309	SvREFCNT_dec (req->sv1);
310	break;
311
312	case REQ_DB_GET:
313	case REQ_DB_PGET:
314	dbt_to_sv (req->sv3, &req->dbt3);
315	break;
316
317	case REQ_C_GET:
318	case REQ_C_PGET:
319	dbt_to_sv (req->sv1, &req->dbt1);
320	dbt_to_sv (req->sv2, &req->dbt2);
321	dbt_to_sv (req->sv3, &req->dbt3);
322	break;
323
324	case REQ_DB_KEY_RANGE:
325	{
326	AV *av = newAV ();
327
328	av_push (av, newSVnv (req->key_range.less));
329	av_push (av, newSVnv (req->key_range.equal));
330	av_push (av, newSVnv (req->key_range.greater));
331
332	SvREADONLY_off (req->sv1);
333	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
334	SvREFCNT_dec (req->sv1);
335	}
336	break;
337
338	case REQ_SEQ_GET:
339	SvREADONLY_off (req->sv1);
340
341	if (sizeof (IV) > 4)
342	sv_setiv_mg (req->sv1, req->seq_t);
343	else
344	sv_setnv_mg (req->sv1, req->seq_t);
345
346	SvREFCNT_dec (req->sv1);
347	break;
348	}
349
350	errno = req->result;
351
352	PUTBACK;	412	PUTBACK;
353	call_sv (req->callback, G_VOID | G_EVAL);	413	call_sv (req->callback, G_VOID | G_EVAL);
354	SPAGAIN;	414	SPAGAIN;
355		415
356	FREETMPS;	416	FREETMPS;
357	LEAVE;	417	LEAVE;
		418
		419	return !SvTRUE (ERRSV);
358	}	420	}
359		421
360	return !SvTRUE (ERRSV);	422	return 1;
361	}	423	}
362		424
363	static void req_free (aio_req req)	425	static void req_free (bdb_req req)
364	{	426	{
		427	SvREFCNT_dec (req->callback);
		428
		429	SvREFCNT_dec (req->rsv1);
		430	SvREFCNT_dec (req->rsv2);
		431
365	free (req->buf1);	432	free (req->buf1);
366	free (req->buf2);	433	free (req->buf2);
		434	free (req->buf3);
		435
367	Safefree (req);	436	Safefree (req);
368	}	437	}
369		438
370	static void *aio_proc (void *arg);	439	#ifdef USE_SOCKETS_AS_HANDLES
		440	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		441	#else
		442	# define TO_SOCKET(x) (x)
		443	#endif
		444
		445	static void
		446	create_respipe (void)
		447	{
		448	#ifdef _WIN32
		449	int arg; /* argg */
		450	#endif
		451	int old_readfd = respipe [0];
		452
		453	if (respipe [1] >= 0)
		454	respipe_close (TO_SOCKET (respipe [1]));
		455
		456	#ifdef _WIN32
		457	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		458	#else
		459	if (pipe (respipe))
		460	#endif
		461	croak ("unable to initialize result pipe");
		462
		463	if (old_readfd >= 0)
		464	{
		465	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		466	croak ("unable to initialize result pipe(2)");
		467
		468	respipe_close (respipe [0]);
		469	respipe [0] = old_readfd;
		470	}
		471
		472	#ifdef _WIN32
		473	arg = 1;
		474	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		475	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		476	#else
		477	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		478	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		479	#endif
		480	croak ("unable to initialize result pipe(3)");
		481
		482	respipe_osf [0] = TO_SOCKET (respipe [0]);
		483	respipe_osf [1] = TO_SOCKET (respipe [1]);
		484	}
		485
		486	static void bdb_request (bdb_req req);
		487	X_THREAD_PROC (bdb_proc);
371		488
372	static void start_thread (void)	489	static void start_thread (void)
373	{	490	{
374	sigset_t fullsigset, oldsigset;
375	pthread_attr_t attr;
376
377	worker *wrk = calloc (1, sizeof (worker));	491	worker *wrk = calloc (1, sizeof (worker));
378		492
379	if (!wrk)	493	if (!wrk)
380	croak ("unable to allocate worker thread data");	494	croak ("unable to allocate worker thread data");
381		495
382	pthread_attr_init (&attr);
383	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
384	#ifdef PTHREAD_SCOPE_PROCESS
385	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
386	#endif
387
388	sigfillset (&fullsigset);
389
390	LOCK (wrklock);	496	X_LOCK (wrklock);
391	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	497	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394	{	498	{
395	wrk->prev = &wrk_first;	499	wrk->prev = &wrk_first;
396	wrk->next = wrk_first.next;	500	wrk->next = wrk_first.next;
397	wrk_first.next->prev = wrk;	501	wrk_first.next->prev = wrk;
398	wrk_first.next = wrk;	502	wrk_first.next = wrk;
399	++started;	503	++started;
400	}	504	}
401	else	505	else
402	free (wrk);	506	free (wrk);
403		507
404	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405	UNLOCK (wrklock);	508	X_UNLOCK (wrklock);
406	}	509	}
407		510
408	static void maybe_start_thread ()	511	static void maybe_start_thread (void)
409	{	512	{
410	if (get_nthreads () >= wanted)	513	if (get_nthreads () >= wanted)
411	return;	514	return;
412		515
413	/* todo: maybe use idle here, but might be less exact */	516	/* todo: maybe use idle here, but might be less exact */
…		…
415	return;	518	return;
416		519
417	start_thread ();	520	start_thread ();
418	}	521	}
419		522
420	static void req_send (aio_req req)	523	static void req_send (bdb_req req)
421	{	524	{
422	SV *wait_callback = 0;	525	SV *wait_callback = 0;
423		526
424	// synthesize callback if none given	527	if (on_next_submit)
425	if (!SvOK (req->callback))
426	{	528	{
427	dSP;	529	dSP;
		530	SV *cb = sv_2mortal (on_next_submit);
		531
		532	on_next_submit = 0;
		533
428	PUSHMARK (SP);	534	PUSHMARK (SP);
429	PUTBACK;	535	PUTBACK;
430	int count = call_sv (prepare_cb, G_ARRAY);	536	call_sv (cb, G_DISCARD | G_EVAL);
431	SPAGAIN;	537	SPAGAIN;
432
433	if (count != 2)
434	croak ("prepare callback must return exactly two values\n");
435
436	wait_callback = SvREFCNT_inc (POPs);
437	SvREFCNT_dec (req->callback);
438	req->callback = SvREFCNT_inc (POPs);
439	}	538	}
440		539
		540	// synthesize callback if none given
		541	if (!req->callback)
		542	{
		543	if (SvOK (prepare_cb))
		544	{
		545	int count;
		546
		547	dSP;
		548	PUSHMARK (SP);
		549	PUTBACK;
		550	count = call_sv (prepare_cb, G_ARRAY);
		551	SPAGAIN;
		552
		553	if (count != 2)
		554	croak ("sync prepare callback must return exactly two values\n");
		555
		556	wait_callback = POPs;
		557	req->callback = SvREFCNT_inc (POPs);
		558	}
		559	else
		560	{
		561	// execute request synchronously
		562	bdb_request (req);
		563	req_invoke (req);
		564	req_free (req);
		565	return;
		566	}
		567	}
		568
441	++nreqs;	569	++nreqs;
442		570
443	LOCK (reqlock);	571	X_LOCK (reqlock);
444	++nready;	572	++nready;
445	reqq_push (&req_queue, req);	573	reqq_push (&req_queue, req);
446	pthread_cond_signal (&reqwait);	574	X_COND_SIGNAL (reqwait);
447	UNLOCK (reqlock);	575	X_UNLOCK (reqlock);
448		576
449	maybe_start_thread ();	577	maybe_start_thread ();
450		578
451	if (wait_callback)	579	if (wait_callback)
452	{	580	{
453	dSP;	581	dSP;
454	PUSHMARK (SP);	582	PUSHMARK (SP);
455	PUTBACK;	583	PUTBACK;
456	call_sv (wait_callback, G_DISCARD);	584	call_sv (wait_callback, G_DISCARD);
457	SvREFCNT_dec (wait_callback);
458	}	585	}
459	}	586	}
460		587
461	static void end_thread (void)	588	static void end_thread (void)
462	{	589	{
463	aio_req req;	590	bdb_req req = calloc (1, sizeof (bdb_cb));
464
465	Newz (0, req, 1, aio_cb);
466		591
467	req->type = REQ_QUIT;	592	req->type = REQ_QUIT;
468	req->pri = PRI_MAX + PRI_BIAS;	593	req->pri = PRI_MAX + PRI_BIAS;
469		594
470	LOCK (reqlock);	595	X_LOCK (reqlock);
471	reqq_push (&req_queue, req);	596	reqq_push (&req_queue, req);
472	pthread_cond_signal (&reqwait);	597	X_COND_SIGNAL (reqwait);
473	UNLOCK (reqlock);	598	X_UNLOCK (reqlock);
474		599
475	LOCK (wrklock);	600	X_LOCK (wrklock);
476	--started;	601	--started;
477	UNLOCK (wrklock);	602	X_UNLOCK (wrklock);
478	}	603	}
479		604
480	static void set_max_idle (int nthreads)	605	static void set_max_idle (int nthreads)
481	{	606	{
482	if (WORDACCESS_UNSAFE) LOCK (reqlock);	607	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483	max_idle = nthreads <= 0 ? 1 : nthreads;	608	max_idle = nthreads <= 0 ? 1 : nthreads;
484	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	609	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485	}	610	}
486		611
487	static void min_parallel (int nthreads)	612	static void min_parallel (int nthreads)
488	{	613	{
489	if (wanted < nthreads)	614	if (wanted < nthreads)
…		…
497		622
498	while (started > wanted)	623	while (started > wanted)
499	end_thread ();	624	end_thread ();
500	}	625	}
501		626
502	static void poll_wait ()	627	static void poll_wait (void)
503	{	628	{
504	fd_set rfd;	629	fd_set rfd;
505		630
506	while (nreqs)	631	while (nreqs)
507	{	632	{
508	int size;	633	int size;
509	if (WORDACCESS_UNSAFE) LOCK (reslock);	634	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510	size = res_queue.size;	635	size = res_queue.size;
511	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	636	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512		637
513	if (size)	638	if (size)
514	return;	639	return;
515		640
516	maybe_start_thread ();	641	maybe_start_thread ();
517		642
518	FD_ZERO(&rfd);	643	FD_ZERO (&rfd);
519	FD_SET(respipe [0], &rfd);	644	FD_SET (respipe [0], &rfd);
520		645
521	select (respipe [0] + 1, &rfd, 0, 0, 0);	646	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522	}	647	}
523	}	648	}
524		649
525	static int poll_cb ()	650	static int poll_cb (void)
526	{	651	{
527	dSP;	652	dSP;
528	int count = 0;	653	int count = 0;
529	int maxreqs = max_poll_reqs;	654	int maxreqs = max_poll_reqs;
530	int do_croak = 0;	655	int do_croak = 0;
531	struct timeval tv_start, tv_now;	656	struct timeval tv_start, tv_now;
532	aio_req req;	657	bdb_req req;
533		658
534	if (max_poll_time)	659	if (max_poll_time)
535	gettimeofday (&tv_start, 0);	660	gettimeofday (&tv_start, 0);
536		661
537	for (;;)	662	for (;;)
538	{	663	{
539	for (;;)	664	for (;;)
540	{	665	{
541	maybe_start_thread ();	666	maybe_start_thread ();
542		667
543	LOCK (reslock);	668	X_LOCK (reslock);
544	req = reqq_shift (&res_queue);	669	req = reqq_shift (&res_queue);
545		670
546	if (req)	671	if (req)
547	{	672	{
548	--npending;	673	--npending;
549		674
550	if (!res_queue.size)	675	if (!res_queue.size)
551	{	676	{
552	/* read any signals sent by the worker threads */	677	/* read any signals sent by the worker threads */
553	char buf [4];	678	char buf [4];
554	while (read (respipe [0], buf, 4) == 4)	679	while (respipe_read (respipe [0], buf, 4) == 4)
555	;	680	;
556	}	681	}
557	}	682	}
558		683
559	UNLOCK (reslock);	684	X_UNLOCK (reslock);
560		685
561	if (!req)	686	if (!req)
562	break;	687	break;
563		688
564	--nreqs;	689	--nreqs;
…		…
594	}	719	}
595		720
596	return count;	721	return count;
597	}	722	}
598		723
599	static void create_pipe ()
600	{
601	if (pipe (respipe))
602	croak ("unable to initialize result pipe");
603
604	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
605	croak ("cannot set result pipe to nonblocking mode");
606
607	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
608	croak ("cannot set result pipe to nonblocking mode");
609	}
610
611	/*****************************************************************************/	724	/*****************************************************************************/
612		725
613	static void *aio_proc (void *thr_arg)	726	static void
		727	bdb_request (bdb_req req)
614	{	728	{
		729	switch (req->type)
		730	{
		731	case REQ_ENV_OPEN:
		732	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		733	break;
		734
		735	case REQ_ENV_CLOSE:
		736	req->result = req->env->close (req->env, req->uint1);
		737	break;
		738
		739	case REQ_ENV_TXN_CHECKPOINT:
		740	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		741	break;
		742
		743	case REQ_ENV_LOCK_DETECT:
		744	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		745	break;
		746
		747	case REQ_ENV_MEMP_SYNC:
		748	req->result = req->env->memp_sync (req->env, 0);
		749	break;
		750
		751	case REQ_ENV_MEMP_TRICKLE:
		752	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		753	break;
		754
		755	case REQ_ENV_DBREMOVE:
		756	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		757	break;
		758
		759	case REQ_ENV_DBRENAME:
		760	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		761	break;
		762
		763	case REQ_DB_OPEN:
		764	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		765	break;
		766
		767	case REQ_DB_CLOSE:
		768	req->result = req->db->close (req->db, req->uint1);
		769	break;
		770
		771	#if DB_VERSION_MINOR >= 4
		772	case REQ_DB_COMPACT:
		773	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);
		774	break;
		775	#endif
		776
		777	case REQ_DB_SYNC:
		778	req->result = req->db->sync (req->db, req->uint1);
		779	break;
		780
		781	case REQ_DB_UPGRADE:
		782	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		783	break;
		784
		785	case REQ_DB_PUT:
		786	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		787	break;
		788
		789	#if DB_VERSION_MINOR >= 6
		790	case REQ_DB_EXISTS:
		791	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		792	break;
		793	#endif
		794	case REQ_DB_GET:
		795	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		796	break;
		797
		798	case REQ_DB_PGET:
		799	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		800	break;
		801
		802	case REQ_DB_DEL:
		803	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		804	break;
		805
		806	case REQ_DB_KEY_RANGE:
		807	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		808	break;
		809
		810	case REQ_TXN_COMMIT:
		811	req->result = req->txn->commit (req->txn, req->uint1);
		812	break;
		813
		814	case REQ_TXN_ABORT:
		815	req->result = req->txn->abort (req->txn);
		816	break;
		817
		818	case REQ_TXN_FINISH:
		819	if (req->txn->flags & TXN_DEADLOCK)
		820	{
		821	req->result = req->txn->abort (req->txn);
		822	if (!req->result)
		823	req->result = DB_LOCK_DEADLOCK;
		824	}
		825	else
		826	req->result = req->txn->commit (req->txn, req->uint1);
		827	break;
		828
		829	case REQ_C_CLOSE:
		830	req->result = req->dbc->c_close (req->dbc);
		831	break;
		832
		833	case REQ_C_COUNT:
		834	{
		835	db_recno_t recno;
		836	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		837	req->uv1 = recno;
		838	}
		839	break;
		840
		841	case REQ_C_PUT:
		842	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		843	break;
		844
		845	case REQ_C_GET:
		846	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		847	break;
		848
		849	case REQ_C_PGET:
		850	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		851	break;
		852
		853	case REQ_C_DEL:
		854	req->result = req->dbc->c_del (req->dbc, req->uint1);
		855	break;
		856
		857	#if DB_VERSION_MINOR >= 3
		858	case REQ_SEQ_OPEN:
		859	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_CLOSE:
		863	req->result = req->seq->close (req->seq, req->uint1);
		864	break;
		865
		866	case REQ_SEQ_GET:
		867	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		868	break;
		869
		870	case REQ_SEQ_REMOVE:
		871	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		872	break;
		873	#endif
		874
		875	default:
		876	req->result = ENOSYS;
		877	break;
		878	}
		879
		880	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		881	req->txn->flags |= TXN_DEADLOCK;
		882	}
		883
		884	X_THREAD_PROC (bdb_proc)
		885	{
615	aio_req req;	886	bdb_req req;
616	struct timespec ts;	887	struct timespec ts;
617	worker *self = (worker *)thr_arg;	888	worker *self = (worker *)thr_arg;
618		889
619	/* try to distribute timeouts somewhat evenly */	890	/* try to distribute timeouts somewhat evenly */
620	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	891	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621	* (1000000000UL / 1024UL);
622		892
623	for (;;)	893	for (;;)
624	{	894	{
625	ts.tv_sec = time (0) + IDLE_TIMEOUT;	895	ts.tv_sec = time (0) + IDLE_TIMEOUT;
626		896
627	LOCK (reqlock);	897	X_LOCK (reqlock);
628		898
629	for (;;)	899	for (;;)
630	{	900	{
631	self->req = req = reqq_shift (&req_queue);	901	self->req = req = reqq_shift (&req_queue);
632		902
633	if (req)	903	if (req)
634	break;	904	break;
635		905
636	++idle;	906	++idle;
637		907
638	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	908	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639	== ETIMEDOUT)	909	== ETIMEDOUT)
640	{	910	{
641	if (idle > max_idle)	911	if (idle > max_idle)
642	{	912	{
643	--idle;	913	--idle;
644	UNLOCK (reqlock);	914	X_UNLOCK (reqlock);
645	LOCK (wrklock);	915	X_LOCK (wrklock);
646	--started;	916	--started;
647	UNLOCK (wrklock);	917	X_UNLOCK (wrklock);
648	goto quit;	918	goto quit;
649	}	919	}
650		920
651	/* we are allowed to idle, so do so without any timeout */	921	/* we are allowed to idle, so do so without any timeout */
652	pthread_cond_wait (&reqwait, &reqlock);	922	X_COND_WAIT (reqwait, reqlock);
653	ts.tv_sec = time (0) + IDLE_TIMEOUT;	923	ts.tv_sec = time (0) + IDLE_TIMEOUT;
654	}	924	}
655		925
656	--idle;	926	--idle;
657	}	927	}
658		928
659	--nready;	929	--nready;
660		930
661	UNLOCK (reqlock);	931	X_UNLOCK (reqlock);
662		932
663	switch (req->type)	933	if (req->type == REQ_QUIT)
664	{	934	{
665	case REQ_QUIT:	935	X_LOCK (reslock);
		936	free (req);
		937	self->req = 0;
		938	X_UNLOCK (reslock);
		939
666	goto quit;	940	goto quit;
667
668	case REQ_ENV_OPEN:
669	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
670	break;
671
672	case REQ_ENV_CLOSE:
673	req->result = req->env->close (req->env, req->uint1);
674	break;
675
676	case REQ_ENV_TXN_CHECKPOINT:
677	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
678	break;
679
680	case REQ_ENV_LOCK_DETECT:
681	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
682	break;
683
684	case REQ_ENV_MEMP_SYNC:
685	req->result = req->env->memp_sync (req->env, 0);
686	break;
687
688	case REQ_ENV_MEMP_TRICKLE:
689	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
690	break;
691
692	case REQ_DB_OPEN:
693	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
694	break;
695
696	case REQ_DB_CLOSE:
697	req->result = req->db->close (req->db, req->uint1);
698	break;
699
700	case REQ_DB_COMPACT:
701	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
702	break;
703
704	case REQ_DB_SYNC:
705	req->result = req->db->sync (req->db, req->uint1);
706	break;
707
708	case REQ_DB_PUT:
709	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
710	break;
711
712	case REQ_DB_GET:
713	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
714	break;
715
716	case REQ_DB_PGET:
717	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
718	break;
719
720	case REQ_DB_DEL:
721	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
722	break;
723
724	case REQ_DB_KEY_RANGE:
725	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
726	break;
727
728	case REQ_TXN_COMMIT:
729	req->result = req->txn->commit (req->txn, req->uint1);
730	break;
731
732	case REQ_TXN_ABORT:
733	req->result = req->txn->abort (req->txn);
734	break;
735
736	case REQ_C_CLOSE:
737	req->result = req->dbc->c_close (req->dbc);
738	break;
739
740	case REQ_C_COUNT:
741	{
742	db_recno_t recno;
743	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
744	req->uv1 = recno;
745	}
746	break;
747
748	case REQ_C_PUT:
749	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
750	break;
751
752	case REQ_C_GET:
753	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
754	break;
755
756	case REQ_C_PGET:
757	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
758	break;
759
760	case REQ_C_DEL:
761	req->result = req->dbc->c_del (req->dbc, req->uint1);
762	break;
763
764	case REQ_SEQ_OPEN:
765	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
766	break;
767
768	case REQ_SEQ_CLOSE:
769	req->result = req->seq->close (req->seq, req->uint1);
770	break;
771
772	case REQ_SEQ_GET:
773	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
774	break;
775
776	case REQ_SEQ_REMOVE:
777	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
778	break;
779
780	default:
781	req->result = ENOSYS;
782	break;
783	}	941	}
784		942
		943	bdb_request (req);
		944
785	LOCK (reslock);	945	X_LOCK (reslock);
786		946
787	++npending;	947	++npending;
788		948
789	if (!reqq_push (&res_queue, req))	949	if (!reqq_push (&res_queue, req))
790	/* write a dummy byte to the pipe so fh becomes ready */	950	/* write a dummy byte to the pipe so fh becomes ready */
791	write (respipe [1], &respipe, 1);	951	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792		952
793	self->req = 0;	953	self->req = 0;
794	worker_clear (self);	954	worker_clear (self);
795		955
796	UNLOCK (reslock);	956	X_UNLOCK (reslock);
797	}	957	}
798		958
799	quit:	959	quit:
800	LOCK (wrklock);	960	X_LOCK (wrklock);
801	worker_free (self);	961	worker_free (self);
802	UNLOCK (wrklock);	962	X_UNLOCK (wrklock);
803		963
804	return 0;	964	return 0;
805	}	965	}
806		966
807	/*****************************************************************************/	967	/*****************************************************************************/
808		968
809	static void atfork_prepare (void)	969	static void atfork_prepare (void)
810	{	970	{
811	LOCK (wrklock);	971	X_LOCK (wrklock);
812	LOCK (reqlock);	972	X_LOCK (reqlock);
813	LOCK (reslock);	973	X_LOCK (reslock);
814	}	974	}
815		975
816	static void atfork_parent (void)	976	static void atfork_parent (void)
817	{	977	{
818	UNLOCK (reslock);	978	X_UNLOCK (reslock);
819	UNLOCK (reqlock);	979	X_UNLOCK (reqlock);
820	UNLOCK (wrklock);	980	X_UNLOCK (wrklock);
821	}	981	}
822		982
823	static void atfork_child (void)	983	static void atfork_child (void)
824	{	984	{
825	aio_req prv;	985	bdb_req prv;
826		986
827	while (prv = reqq_shift (&req_queue))	987	while (prv = reqq_shift (&req_queue))
828	req_free (prv);	988	req_free (prv);
829		989
830	while (prv = reqq_shift (&res_queue))	990	while (prv = reqq_shift (&res_queue))
…		…
845	idle = 0;	1005	idle = 0;
846	nreqs = 0;	1006	nreqs = 0;
847	nready = 0;	1007	nready = 0;
848	npending = 0;	1008	npending = 0;
849		1009
850	close (respipe [0]);
851	close (respipe [1]);
852	create_pipe ();	1010	create_respipe ();
853		1011
854	atfork_parent ();	1012	atfork_parent ();
855	}	1013	}
856		1014
857	#define dREQ(reqtype) \	1015	#define dREQ(reqtype,rsvcnt) \
858	aio_req req; \	1016	bdb_req req; \
859	int req_pri = next_pri; \	1017	int req_pri = next_pri; \
860	next_pri = DEFAULT_PRI + PRI_BIAS; \	1018	next_pri = DEFAULT_PRI + PRI_BIAS; \
861	\	1019	\
862	if (SvOK (callback) && !SvROK (callback)) \	1020	if (callback && SvOK (callback)) \
863	croak ("callback must be undef or of reference type"); \	1021	croak ("callback has illegal type or extra arguments"); \
864	\	1022	\
865	Newz (0, req, 1, aio_cb); \	1023	Newz (0, req, 1, bdb_cb); \
866	if (!req) \	1024	if (!req) \
867	croak ("out of memory during aio_req allocation"); \	1025	croak ("out of memory during bdb_req allocation"); \
868	\	1026	\
869	req->callback = newSVsv (callback); \	1027	req->callback = SvREFCNT_inc (cb); \
870	req->type = (reqtype); \	1028	req->type = (reqtype); \
871	req->pri = req_pri	1029	req->pri = req_pri; \
		1030	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1031	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1032	(void)0;
872		1033
873	#define REQ_SEND \	1034	#define REQ_SEND \
874	req_send (req)	1035	req_send (req)
875		1036
876	#define SvPTR(var, arg, type, class, nullok) \	1037	#define SvPTR(var, arg, type, class, nullok) \
877	if (!SvOK (arg)) \	1038	if (!SvOK (arg)) \
878	{ \	1039	{ \
879	if (!nullok) \	1040	if (nullok != 1) \
880	croak (# var " must be a " # class " object, not undef"); \	1041	croak (# var " must be a " # class " object, not undef"); \
881	\	1042	\
882	(var) = 0; \	1043	(var) = 0; \
883	} \	1044	} \
884	else if (sv_derived_from ((arg), # class)) \	1045	else if (sv_derived_from ((arg), # class)) \
885	{ \	1046	{ \
886	IV tmp = SvIV ((SV*) SvRV (arg)); \	1047	IV tmp = SvIV ((SV*) SvRV (arg)); \
887	(var) = INT2PTR (type, tmp); \	1048	(var) = INT2PTR (type, tmp); \
888	if (!var) \	1049	if (!var && nullok != 2) \
889	croak (# var " is not a valid " # class " object anymore"); \	1050	croak (# var " is not a valid " # class " object anymore"); \
890	} \	1051	} \
891	else \	1052	else \
892	croak (# var " is not of type " # class); \	1053	croak (# var " is not of type " # class);
893	\	1054
		1055	#define ARG_MUTABLE(name) \
		1056	if (SvREADONLY (name)) \
		1057	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
894		1058
895	static void	1059	static void
896	ptr_nuke (SV *sv)	1060	ptr_nuke (SV *sv)
897	{	1061	{
898	assert (SvROK (sv));	1062	assert (SvROK (sv));
899	sv_setiv (SvRV (sv), 0);	1063	sv_setiv (SvRV (sv), 0);
900	}	1064	}
		1065
		1066	static int
		1067	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1068	{
		1069	if (*mg->mg_ptr == '!') // should always be the case
		1070	if (-30999 <= errno && errno <= -30800)
		1071	{
		1072	sv_setnv (sv, (NV)errno);
		1073	sv_setpv (sv, db_strerror (errno));
		1074	SvNOK_on (sv); /* what a wonderful hack! */
		1075	// ^^^ copied from perl sources
		1076	return 0;
		1077	}
		1078
		1079	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1080	}
		1081
		1082	static MGVTBL vtbl_errno;
		1083
		1084	// this wonderful hack :( patches perl's $! variable to support our errno values
		1085	static void
		1086	patch_errno (void)
		1087	{
		1088	SV *sv;
		1089	MAGIC *mg;
		1090
		1091	if (!(sv = get_sv ("!", 1)))
		1092	return;
		1093
		1094	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1095	return;
		1096
		1097	if (mg->mg_virtual != &PL_vtbl_sv)
		1098	return;
		1099
		1100	vtbl_errno = PL_vtbl_sv;
		1101	vtbl_errno.svt_get = errno_get;
		1102	mg->mg_virtual = &vtbl_errno;
		1103	}
		1104
		1105	#if __GNUC__ >= 4
		1106	# define noinline __attribute__ ((noinline))
		1107	#else
		1108	# define noinline
		1109	#endif
		1110
		1111	static noinline SV *
		1112	pop_callback (I32 *ritems, SV *sv)
		1113	{
		1114	if (SvROK (sv))
		1115	{
		1116	HV *st;
		1117	GV *gvp;
		1118	CV *cv;
		1119	const char *name;
		1120
		1121	/* forgive me */
		1122	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1123	&& (st = SvSTASH (SvRV (sv)))
		1124	&& (name = HvNAME_get (st))
		1125	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1126	return 0;
		1127
		1128	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1129	{
		1130	--*ritems;
		1131	return (SV *)cv;
		1132	}
		1133	}
		1134
		1135	return 0;
		1136	}
		1137
		1138	/* stupid windows defines CALLBACK as well */
		1139	#undef CALLBACK
		1140	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
901		1141
902	MODULE = BDB PACKAGE = BDB	1142	MODULE = BDB PACKAGE = BDB
903		1143
904	PROTOTYPES: ENABLE	1144	PROTOTYPES: ENABLE
905		1145
…		…
921	const_iv (INIT_TXN)	1161	const_iv (INIT_TXN)
922	const_iv (RECOVER)	1162	const_iv (RECOVER)
923	const_iv (INIT_TXN)	1163	const_iv (INIT_TXN)
924	const_iv (RECOVER_FATAL)	1164	const_iv (RECOVER_FATAL)
925	const_iv (CREATE)	1165	const_iv (CREATE)
		1166	const_iv (RDONLY)
926	const_iv (USE_ENVIRON)	1167	const_iv (USE_ENVIRON)
927	const_iv (USE_ENVIRON_ROOT)	1168	const_iv (USE_ENVIRON_ROOT)
928	const_iv (LOCKDOWN)	1169	const_iv (LOCKDOWN)
929	const_iv (PRIVATE)	1170	const_iv (PRIVATE)
930	const_iv (REGISTER)
931	const_iv (SYSTEM_MEM)	1171	const_iv (SYSTEM_MEM)
932	const_iv (AUTO_COMMIT)	1172	const_iv (AUTO_COMMIT)
933	const_iv (CDB_ALLDB)	1173	const_iv (CDB_ALLDB)
934	const_iv (DIRECT_DB)	1174	const_iv (DIRECT_DB)
935	const_iv (DIRECT_LOG)
936	const_iv (DSYNC_DB)
937	const_iv (DSYNC_LOG)
938	const_iv (LOG_AUTOREMOVE)
939	const_iv (LOG_INMEMORY)
940	const_iv (NOLOCKING)	1175	const_iv (NOLOCKING)
941	const_iv (MULTIVERSION)
942	const_iv (NOMMAP)	1176	const_iv (NOMMAP)
943	const_iv (NOPANIC)	1177	const_iv (NOPANIC)
944	const_iv (OVERWRITE)	1178	const_iv (OVERWRITE)
945	const_iv (PANIC_ENVIRONMENT)	1179	const_iv (PANIC_ENVIRONMENT)
946	const_iv (REGION_INIT)	1180	const_iv (REGION_INIT)
947	const_iv (TIME_NOTGRANTED)	1181	const_iv (TIME_NOTGRANTED)
948	const_iv (TXN_NOSYNC)	1182	const_iv (TXN_NOSYNC)
949	const_iv (TXN_SNAPSHOT)	1183	const_iv (TXN_NOT_DURABLE)
950	const_iv (TXN_WRITE_NOSYNC)	1184	const_iv (TXN_WRITE_NOSYNC)
951	const_iv (WRITECURSOR)	1185	const_iv (WRITECURSOR)
952	const_iv (YIELDCPU)	1186	const_iv (YIELDCPU)
953	const_iv (ENCRYPT_AES)	1187	const_iv (ENCRYPT_AES)
954	const_iv (XA_CREATE)	1188	const_iv (XA_CREATE)
…		…
956	const_iv (HASH)	1190	const_iv (HASH)
957	const_iv (QUEUE)	1191	const_iv (QUEUE)
958	const_iv (RECNO)	1192	const_iv (RECNO)
959	const_iv (UNKNOWN)	1193	const_iv (UNKNOWN)
960	const_iv (EXCL)	1194	const_iv (EXCL)
961	const_iv (READ_COMMITTED)
962	const_iv (READ_UNCOMMITTED)
963	const_iv (TRUNCATE)	1195	const_iv (TRUNCATE)
964	const_iv (NOSYNC)	1196	const_iv (NOSYNC)
965	const_iv (CHKSUM)	1197	const_iv (CHKSUM)
966	const_iv (ENCRYPT)	1198	const_iv (ENCRYPT)
967	const_iv (TXN_NOT_DURABLE)
968	const_iv (DUP)	1199	const_iv (DUP)
969	const_iv (DUPSORT)	1200	const_iv (DUPSORT)
970	const_iv (RECNUM)	1201	//const_iv (RECNUM)
971	const_iv (RENUMBER)	1202	const_iv (RENUMBER)
972	const_iv (REVSPLITOFF)	1203	const_iv (REVSPLITOFF)
973	const_iv (INORDER)
974	const_iv (CONSUME)	1204	const_iv (CONSUME)
975	const_iv (CONSUME_WAIT)	1205	const_iv (CONSUME_WAIT)
976	const_iv (GET_BOTH)	1206	const_iv (GET_BOTH)
977	const_iv (GET_BOTH_RANGE)	1207	const_iv (GET_BOTH_RANGE)
978	//const_iv (SET_RECNO)	1208	//const_iv (SET_RECNO)
979	//const_iv (MULTIPLE)	1209	//const_iv (MULTIPLE)
980	const_iv (SNAPSHOT)	1210	const_iv (SNAPSHOT)
981	const_iv (JOIN_ITEM)	1211	const_iv (JOIN_ITEM)
		1212	const_iv (JOIN_NOSORT)
982	const_iv (RMW)	1213	const_iv (RMW)
983		1214
984	const_iv (NOTFOUND)	1215	const_iv (NOTFOUND)
985	const_iv (KEYEMPTY)	1216	const_iv (KEYEMPTY)
986	const_iv (LOCK_DEADLOCK)	1217	const_iv (LOCK_DEADLOCK)
987	const_iv (LOCK_NOTGRANTED)	1218	const_iv (LOCK_NOTGRANTED)
988	const_iv (RUNRECOVERY)	1219	const_iv (RUNRECOVERY)
989	const_iv (OLD_VERSION)	1220	const_iv (OLD_VERSION)
990	const_iv (REP_HANDLE_DEAD)	1221	const_iv (REP_HANDLE_DEAD)
991	const_iv (REP_LOCKOUT)
992	const_iv (SECONDARY_BAD)	1222	const_iv (SECONDARY_BAD)
993
994	const_iv (FREE_SPACE)
995	const_iv (FREELIST_ONLY)
996		1223
997	const_iv (APPEND)	1224	const_iv (APPEND)
998	const_iv (NODUPDATA)	1225	const_iv (NODUPDATA)
999	const_iv (NOOVERWRITE)	1226	const_iv (NOOVERWRITE)
1000		1227
1001	const_iv (TXN_NOWAIT)	1228	const_iv (TXN_NOWAIT)
1002	const_iv (TXN_SNAPSHOT)
1003	const_iv (TXN_SYNC)	1229	const_iv (TXN_SYNC)
1004		1230
1005	const_iv (SET_LOCK_TIMEOUT)	1231	const_iv (SET_LOCK_TIMEOUT)
1006	const_iv (SET_TXN_TIMEOUT)	1232	const_iv (SET_TXN_TIMEOUT)
1007		1233
1008	const_iv (JOIN_ITEM)
1009	const_iv (FIRST)	1234	const_iv (FIRST)
1010	const_iv (NEXT)	1235	const_iv (NEXT)
1011	const_iv (NEXT_DUP)	1236	const_iv (NEXT_DUP)
1012	const_iv (NEXT_NODUP)	1237	const_iv (NEXT_NODUP)
1013	const_iv (PREV)	1238	const_iv (PREV)
…		…
1025	const_iv (FORCE)	1250	const_iv (FORCE)
1026		1251
1027	const_iv (LOCK_DEFAULT)	1252	const_iv (LOCK_DEFAULT)
1028	const_iv (LOCK_EXPIRE)	1253	const_iv (LOCK_EXPIRE)
1029	const_iv (LOCK_MAXLOCKS)	1254	const_iv (LOCK_MAXLOCKS)
1030	const_iv (LOCK_MAXWRITE)
1031	const_iv (LOCK_MINLOCKS)	1255	const_iv (LOCK_MINLOCKS)
1032	const_iv (LOCK_MINWRITE)	1256	const_iv (LOCK_MINWRITE)
1033	const_iv (LOCK_OLDEST)	1257	const_iv (LOCK_OLDEST)
1034	const_iv (LOCK_RANDOM)	1258	const_iv (LOCK_RANDOM)
1035	const_iv (LOCK_YOUNGEST)	1259	const_iv (LOCK_YOUNGEST)
1036		1260
		1261	const_iv (DONOTINDEX)
		1262	const_iv (KEYEMPTY )
		1263	const_iv (KEYEXIST )
		1264	const_iv (LOCK_DEADLOCK)
		1265	const_iv (LOCK_NOTGRANTED)
		1266	const_iv (NOSERVER)
		1267	const_iv (NOSERVER_HOME)
		1268	const_iv (NOSERVER_ID)
		1269	const_iv (NOTFOUND)
		1270	const_iv (PAGE_NOTFOUND)
		1271	const_iv (REP_DUPMASTER)
		1272	const_iv (REP_HANDLE_DEAD)
		1273	const_iv (REP_HOLDELECTION)
		1274	const_iv (REP_ISPERM)
		1275	const_iv (REP_NEWMASTER)
		1276	const_iv (REP_NEWSITE)
		1277	const_iv (REP_NOTPERM)
		1278	const_iv (REP_UNAVAIL)
		1279	const_iv (RUNRECOVERY)
		1280	const_iv (SECONDARY_BAD)
		1281	const_iv (VERIFY_BAD)
		1282
		1283	const_iv (VERB_DEADLOCK)
		1284	const_iv (VERB_RECOVERY)
		1285	const_iv (VERB_REPLICATION)
		1286	const_iv (VERB_WAITSFOR)
		1287
		1288	const_iv (VERSION_MAJOR)
		1289	const_iv (VERSION_MINOR)
		1290	const_iv (VERSION_PATCH)
		1291	#if DB_VERSION_MINOR >= 3
		1292	const_iv (INORDER)
		1293	const_iv (LOCK_MAXWRITE)
1037	const_iv (SEQ_DEC)	1294	const_iv (SEQ_DEC)
1038	const_iv (SEQ_INC)	1295	const_iv (SEQ_INC)
1039	const_iv (SEQ_WRAP)	1296	const_iv (SEQ_WRAP)
		1297	const_iv (BUFFER_SMALL)
		1298	const_iv (LOG_BUFFER_FULL)
		1299	const_iv (VERSION_MISMATCH)
		1300	#endif
		1301	#if DB_VERSION_MINOR >= 4
		1302	const_iv (REGISTER)
		1303	const_iv (DSYNC_DB)
		1304	const_iv (READ_COMMITTED)
		1305	const_iv (READ_UNCOMMITTED)
		1306	const_iv (REP_IGNORE)
		1307	const_iv (REP_LOCKOUT)
		1308	const_iv (REP_JOIN_FAILURE)
		1309	const_iv (FREE_SPACE)
		1310	const_iv (FREELIST_ONLY)
		1311	const_iv (VERB_REGISTER)
		1312	#endif
		1313	#if DB_VERSION_MINOR >= 5
		1314	const_iv (MULTIVERSION)
		1315	const_iv (TXN_SNAPSHOT)
		1316	#endif
		1317	#if DB_VERSION_MINOR >= 6
		1318	const_iv (PREV_DUP)
		1319	const_iv (PRIORITY_UNCHANGED)
		1320	const_iv (PRIORITY_VERY_LOW)
		1321	const_iv (PRIORITY_LOW)
		1322	const_iv (PRIORITY_DEFAULT)
		1323	const_iv (PRIORITY_HIGH)
		1324	const_iv (PRIORITY_VERY_HIGH)
		1325	#endif
		1326	#if DB_VERSION_MINOR >= 7
		1327	const_iv (IGNORE_LEASE)
		1328	//const_iv (MULTIPLE_KEY)
		1329	const_iv (LOG_DIRECT)
		1330	const_iv (LOG_DSYNC)
		1331	const_iv (LOG_AUTO_REMOVE)
		1332	const_iv (LOG_IN_MEMORY)
		1333	const_iv (LOG_ZERO)
		1334	#else
		1335	const_iv (DIRECT_LOG)
		1336	const_iv (LOG_AUTOREMOVE)
		1337	# if DB_VERSION_MINOR >= 3
		1338	const_iv (DSYNC_LOG)
		1339	const_iv (LOG_INMEMORY)
		1340	# endif
		1341	#endif
1040	};	1342	};
1041		1343
1042	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1344	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1345	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044		1346
1045	create_pipe ();	1347	prepare_cb = &PL_sv_undef;
		1348
		1349	{
		1350	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1351	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1352
		1353	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1354	}
		1355
		1356	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1357
		1358	create_respipe ();
		1359
1046	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1360	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1361	patch_errno ();
1047	}	1362	}
1048		1363
1049	void	1364	void
1050	max_poll_reqs (int nreqs)	1365	max_poll_reqs (int nreqs)
1051	PROTOTYPE: $	1366	PROTOTYPE: $
…		…
1170		1485
1171	int	1486	int
1172	nthreads ()	1487	nthreads ()
1173	PROTOTYPE:	1488	PROTOTYPE:
1174	CODE:	1489	CODE:
1175	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1490	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176	RETVAL = started;	1491	RETVAL = started;
1177	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1492	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178	OUTPUT:	1493	OUTPUT:
1179	RETVAL	1494	RETVAL
1180		1495
1181	void	1496	SV *
1182	set_sync_prepare (SV *cb)	1497	set_sync_prepare (SV *cb)
1183	PROTOTYPE: &	1498	PROTOTYPE: &
1184	CODE:	1499	CODE:
1185	SvREFCNT_dec (prepare_cb);	1500	RETVAL = prepare_cb;
1186	prepare_cb = newSVsv (cb);	1501	prepare_cb = newSVsv (cb);
		1502	OUTPUT:
		1503	RETVAL
1187		1504
		1505	char *
		1506	strerror (int errorno = errno)
		1507	PROTOTYPE: ;$
		1508	CODE:
		1509	RETVAL = db_strerror (errorno);
		1510	OUTPUT:
		1511	RETVAL
		1512
		1513	void _on_next_submit (SV *cb)
		1514	CODE:
		1515	SvREFCNT_dec (on_next_submit);
		1516	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1188		1517
1189	DB_ENV *	1518	DB_ENV *
1190	db_env_create (U32 env_flags = 0)	1519	db_env_create (U32 env_flags = 0)
1191	CODE:	1520	CODE:
1192	{	1521	{
1193	errno = db_env_create (&RETVAL, env_flags);	1522	errno = db_env_create (&RETVAL, env_flags);
1194	if (errno)	1523	if (errno)
1195	croak ("db_env_create: %s", db_strerror (errno));	1524	croak ("db_env_create: %s", db_strerror (errno));
		1525
		1526	if (0)
		1527	{
		1528	RETVAL->set_errcall (RETVAL, debug_errcall);
		1529	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1530	}
1196	}	1531	}
1197	OUTPUT:	1532	OUTPUT:
1198	RETVAL	1533	RETVAL
1199		1534
1200	void	1535	void
1201	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1536	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1202	CODE:	1539	CODE:
1203	{	1540	{
1204	env->set_thread_count (env, get_nthreads ());
1205
1206	dREQ (REQ_ENV_OPEN);	1541	dREQ (REQ_ENV_OPEN, 1);
1207	req->env = env;	1542	req->env = env;
1208	req->uint1 = open_flags | DB_THREAD;	1543	req->uint1 = open_flags | DB_THREAD;
1209	req->int1 = mode;	1544	req->int1 = mode;
1210	req->buf1 = strdup_ornull (db_home);	1545	req->buf1 = strdup_ornull (db_home);
1211	REQ_SEND;	1546	REQ_SEND;
1212	}	1547	}
1213		1548
1214	void	1549	void
1215	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1550	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1551	PREINIT:
		1552	CALLBACK
1216	CODE:	1553	CODE:
1217	{	1554	{
1218	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 0);
		1556	ptr_nuke (ST (0));
1219	req->env = env;	1557	req->env = env;
1220	req->uint1 = flags;	1558	req->uint1 = flags;
1221	REQ_SEND;	1559	REQ_SEND;
1222	ptr_nuke (ST (0));
1223	}	1560	}
1224		1561
1225	void	1562	void
1226	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1563	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
1227	CODE:	1566	CODE:
1228	{	1567	{
1229	dREQ (REQ_ENV_TXN_CHECKPOINT);	1568	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1230	req->env = env;	1569	req->env = env;
1231	req->uint1 = kbyte;	1570	req->uint1 = kbyte;
1232	req->int1 = min;	1571	req->int1 = min;
1233	req->uint2 = flags;	1572	req->uint2 = flags;
1234	REQ_SEND;	1573	REQ_SEND;
1235	}	1574	}
1236		1575
1237	void	1576	void
1238	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1577	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1578	PREINIT:
		1579	CALLBACK
1239	CODE:	1580	CODE:
1240	{	1581	{
1241	dREQ (REQ_ENV_LOCK_DETECT);	1582	dREQ (REQ_ENV_LOCK_DETECT, 1);
1242	req->env = env;	1583	req->env = env;
1243	req->uint1 = flags;	1584	req->uint1 = flags;
1244	req->uint2 = atype;	1585	req->uint2 = atype;
		1586	/* req->int2 = 0; dummy */
1245	REQ_SEND;	1587	REQ_SEND;
1246	}	1588	}
1247		1589
1248	void	1590	void
1249	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1591	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
1250	CODE:	1594	CODE:
1251	{	1595	{
1252	dREQ (REQ_ENV_MEMP_SYNC);	1596	dREQ (REQ_ENV_MEMP_SYNC, 1);
1253	req->env = env;	1597	req->env = env;
1254	REQ_SEND;	1598	REQ_SEND;
1255	}	1599	}
1256		1600
1257	void	1601	void
1258	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1602	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1603	PREINIT:
		1604	CALLBACK
1259	CODE:	1605	CODE:
1260	{	1606	{
1261	dREQ (REQ_ENV_MEMP_TRICKLE);	1607	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1262	req->env = env;	1608	req->env = env;
1263	req->int1 = percent;	1609	req->int1 = percent;
1264	REQ_SEND;	1610	REQ_SEND;
1265	}	1611	}
1266		1612
		1613	void
		1614	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
		1617	CODE:
		1618	{
		1619	dREQ (REQ_ENV_DBREMOVE, 2);
		1620	req->env = env;
		1621	req->buf1 = strdup_ornull (file);
		1622	req->buf2 = strdup_ornull (database);
		1623	req->uint1 = flags;
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1629	PREINIT:
		1630	CALLBACK
		1631	CODE:
		1632	{
		1633	dREQ (REQ_ENV_DBRENAME, 2);
		1634	req->env = env;
		1635	req->buf1 = strdup_ornull (file);
		1636	req->buf2 = strdup_ornull (database);
		1637	req->buf3 = strdup_ornull (newname);
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	}
1267		1641
1268	DB *	1642	DB *
1269	db_create (DB_ENV *env = 0, U32 flags = 0)	1643	db_create (DB_ENV *env = 0, U32 flags = 0)
1270	CODE:	1644	CODE:
1271	{	1645	{
…		…
1278	}	1652	}
1279	OUTPUT:	1653	OUTPUT:
1280	RETVAL	1654	RETVAL
1281		1655
1282	void	1656	void
1283	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1657	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1284	CODE:	1660	CODE:
1285	{	1661	{
1286	dREQ (REQ_DB_OPEN);	1662	dREQ (REQ_DB_OPEN, 2);
1287	req->db = db;	1663	req->db = db;
1288	req->txn = txnid;	1664	req->txn = txnid;
1289	req->buf1 = strdup_ornull (file);	1665	req->buf1 = strdup_ornull (file);
1290	req->buf2 = strdup_ornull (database);	1666	req->buf2 = strdup_ornull (database);
1291	req->int1 = type;	1667	req->int1 = type;
…		…
1293	req->int2 = mode;	1669	req->int2 = mode;
1294	REQ_SEND;	1670	REQ_SEND;
1295	}	1671	}
1296		1672
1297	void	1673	void
1298	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1674	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1675	PREINIT:
		1676	CALLBACK
1299	CODE:	1677	CODE:
1300	{	1678	{
1301	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 0);
		1680	ptr_nuke (ST (0));
1302	req->db = db;	1681	req->db = db;
1303	req->uint1 = flags;	1682	req->uint1 = flags;
1304	req->sv1 = (SV *)db->app_private;	1683	req->sv1 = (SV *)db->app_private;
1305	REQ_SEND;	1684	REQ_SEND;
1306	ptr_nuke (ST (0));
1307	}	1685	}
1308		1686
		1687	#if DB_VERSION_MINOR >= 4
		1688
1309	void	1689	void
1310	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)	1690	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 = 0)
		1691	PREINIT:
		1692	CALLBACK
1311	CODE:	1693	CODE:
1312	{	1694	{
1313	dREQ (REQ_DB_COMPACT);	1695	dREQ (REQ_DB_COMPACT, 2);
1314	req->db = db;	1696	req->db = db;
1315	req->txn = txn;	1697	req->txn = txn;
1316	sv_to_dbt (&req->dbt1, start);	1698	if (start) sv_to_dbt (&req->dbt1, start);
1317	sv_to_dbt (&req->dbt2, stop);	1699	if (stop ) sv_to_dbt (&req->dbt2, stop );
1318	req->uint1 = flags;	1700	req->uint1 = flags;
1319	REQ_SEND;	1701	REQ_SEND;
1320	}	1702	}
1321		1703
		1704	#endif
		1705
1322	void	1706	void
1323	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1324	CODE:	1710	CODE:
1325	{	1711	{
1326	dREQ (REQ_DB_SYNC);	1712	dREQ (REQ_DB_SYNC, 1);
1327	req->db = db;	1713	req->db = db;
1328	req->uint1 = flags;	1714	req->uint1 = flags;
1329	REQ_SEND;	1715	REQ_SEND;
1330	}	1716	}
1331		1717
1332	void	1718	void
		1719	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_SYNC, 1);
		1725	req->db = db;
		1726	req->buf1 = strdup (file);
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
1333	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1732	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
1334	CODE:	1735	CODE:
1335	{	1736	{
1336	dREQ (REQ_DB_KEY_RANGE);	1737	dREQ (REQ_DB_KEY_RANGE, 2);
1337	req->db = db;	1738	req->db = db;
1338	req->txn = txn;	1739	req->txn = txn;
1339	sv_to_dbt (&req->dbt1, key);	1740	sv_to_dbt (&req->dbt1, key);
1340	req->uint1 = flags;	1741	req->uint1 = flags;
1341	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1742	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1342	REQ_SEND;	1743	REQ_SEND;
1343	}	1744	}
1344		1745
1345	void	1746	void
1346	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1747	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1748	PREINIT:
		1749	CALLBACK
1347	CODE:	1750	CODE:
1348	{	1751	{
1349	dREQ (REQ_DB_PUT);	1752	dREQ (REQ_DB_PUT, 2);
1350	req->db = db;	1753	req->db = db;
1351	req->txn = txn;	1754	req->txn = txn;
1352	sv_to_dbt (&req->dbt1, key);	1755	sv_to_dbt (&req->dbt1, key);
1353	sv_to_dbt (&req->dbt2, data);	1756	sv_to_dbt (&req->dbt2, data);
1354	req->uint1 = flags;	1757	req->uint1 = flags;
1355	REQ_SEND;	1758	REQ_SEND;
1356	}	1759	}
1357		1760
		1761	#if DB_VERSION_MINOR >= 6
		1762
1358	void	1763	void
		1764	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1765	PREINIT:
		1766	CALLBACK
		1767	CODE:
		1768	{
		1769	dREQ (REQ_DB_EXISTS, 2);
		1770	req->db = db;
		1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	REQ_SEND;
		1775	}
		1776
		1777	#endif
		1778
		1779	void
1359	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1360	CODE:	1783	CODE:
1361	{	1784	{
		1785	//TODO: key is somtimesmutable
1362	dREQ (REQ_DB_GET);	1786	dREQ (REQ_DB_GET, 2);
1363	req->db = db;	1787	req->db = db;
1364	req->txn = txn;	1788	req->txn = txn;
1365	req->uint1 = flags;	1789	req->uint1 = flags;
1366	sv_to_dbt (&req->dbt1, key);	1790	sv_to_dbt (&req->dbt1, key);
1367	req->dbt3.flags = DB_DBT_MALLOC;	1791	req->dbt3.flags = DB_DBT_MALLOC;
1368	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1792	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1369	REQ_SEND;	1793	REQ_SEND;
1370	}	1794	}
1371		1795
1372	void	1796	void
1373	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1797	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1798	PREINIT:
		1799	CALLBACK
1374	CODE:	1800	CODE:
1375	{	1801	{
		1802	//TODO: key is somtimesmutable
1376	dREQ (REQ_DB_PGET);	1803	dREQ (REQ_DB_PGET, 2);
		1804	req->db = db;
		1805	req->txn = txn;
		1806	req->uint1 = flags;
		1807
		1808	sv_to_dbt (&req->dbt1, key);
		1809
		1810	req->dbt2.flags = DB_DBT_MALLOC;
		1811	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1812
		1813	req->dbt3.flags = DB_DBT_MALLOC;
		1814	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1815	REQ_SEND;
		1816	}
		1817
		1818	void
		1819	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
		1822	CODE:
		1823	{
		1824	dREQ (REQ_DB_DEL, 2);
1377	req->db = db;	1825	req->db = db;
1378	req->txn = txn;	1826	req->txn = txn;
1379	req->uint1 = flags;	1827	req->uint1 = flags;
1380	sv_to_dbt (&req->dbt1, key);	1828	sv_to_dbt (&req->dbt1, key);
1381	sv_to_dbt (&req->dbt2, pkey);
1382	req->dbt3.flags = DB_DBT_MALLOC;
1383	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1384	REQ_SEND;	1829	REQ_SEND;
1385	}	1830	}
1386		1831
1387	void	1832	void
1388	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1833	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
1389	CODE:	1836	CODE:
1390	{	1837	{
1391	dREQ (REQ_DB_DEL);	1838	dREQ (REQ_TXN_COMMIT, 0);
1392	req->db = db;	1839	ptr_nuke (ST (0));
1393	req->txn = txn;	1840	req->txn = txn;
1394	req->uint1 = flags;	1841	req->uint1 = flags;
1395	sv_to_dbt (&req->dbt1, key);
1396	REQ_SEND;	1842	REQ_SEND;
1397	}	1843	}
1398		1844
1399	void	1845	void
1400	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1846	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1401	CODE:	1849	CODE:
1402	{	1850	{
1403	dREQ (REQ_TXN_COMMIT);	1851	dREQ (REQ_TXN_ABORT, 0);
		1852	ptr_nuke (ST (0));
		1853	req->txn = txn;
		1854	REQ_SEND;
		1855	}
		1856
		1857	void
		1858	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1859	PREINIT:
		1860	CALLBACK
		1861	CODE:
		1862	{
		1863	dREQ (REQ_TXN_FINISH, 0);
		1864	ptr_nuke (ST (0));
1404	req->txn = txn;	1865	req->txn = txn;
1405	req->uint1 = flags;	1866	req->uint1 = flags;
1406	REQ_SEND;	1867	REQ_SEND;
		1868	}
		1869
		1870	void
		1871	db_c_close (DBC *dbc, SV *callback = 0)
		1872	PREINIT:
		1873	CALLBACK
		1874	CODE:
		1875	{
		1876	dREQ (REQ_C_CLOSE, 0);
1407	ptr_nuke (ST (0));	1877	ptr_nuke (ST (0));
1408	}
1409
1410	void
1411	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1412	CODE:
1413	{
1414	dREQ (REQ_TXN_ABORT);
1415	req->txn = txn;
1416	REQ_SEND;
1417	ptr_nuke (ST (0));
1418	}
1419
1420	void
1421	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1422	CODE:
1423	{
1424	dREQ (REQ_C_CLOSE);
1425	req->dbc = dbc;	1878	req->dbc = dbc;
1426	REQ_SEND;	1879	REQ_SEND;
1427	ptr_nuke (ST (0));
1428	}	1880	}
1429		1881
1430	void	1882	void
1431	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1883	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1884	PREINIT:
		1885	CALLBACK
1432	CODE:	1886	CODE:
1433	{	1887	{
1434	dREQ (REQ_C_COUNT);	1888	dREQ (REQ_C_COUNT, 1);
1435	req->dbc = dbc;	1889	req->dbc = dbc;
1436	req->sv1 = SvREFCNT_inc (count);	1890	req->sv1 = SvREFCNT_inc (count);
1437	REQ_SEND;	1891	REQ_SEND;
1438	}	1892	}
1439		1893
1440	void	1894	void
1441	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1895	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1896	PREINIT:
		1897	CALLBACK
1442	CODE:	1898	CODE:
1443	{	1899	{
1444	dREQ (REQ_C_PUT);	1900	dREQ (REQ_C_PUT, 1);
1445	req->dbc = dbc;	1901	req->dbc = dbc;
1446	sv_to_dbt (&req->dbt1, key);	1902	sv_to_dbt (&req->dbt1, key);
1447	sv_to_dbt (&req->dbt2, data);	1903	sv_to_dbt (&req->dbt2, data);
1448	req->uint1 = flags;	1904	req->uint1 = flags;
1449	REQ_SEND;	1905	REQ_SEND;
1450	}	1906	}
1451		1907
1452	void	1908	void
1453	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1909	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1910	PREINIT:
		1911	CALLBACK
1454	CODE:	1912	CODE:
1455	{	1913	{
		1914	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1915	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1916	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1917	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1918	"key",
		1919	"BDB::db_c_get");
		1920
		1921	{
1456	dREQ (REQ_C_GET);	1922	dREQ (REQ_C_GET, 1);
		1923	req->dbc = dbc;
		1924	req->uint1 = flags;
		1925	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1926	sv_to_dbt (&req->dbt1, key);
		1927	else
		1928	{
		1929	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1930	sv_to_dbt (&req->dbt1, key);
		1931	else
		1932	req->dbt1.flags = DB_DBT_MALLOC;
		1933
		1934	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1935	}
		1936
		1937	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		1938	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		1939	sv_to_dbt (&req->dbt3, data);
		1940	else
		1941	req->dbt3.flags = DB_DBT_MALLOC;
		1942
		1943	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1944	REQ_SEND;
		1945	}
		1946	}
		1947
		1948	void
		1949	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1950	PREINIT:
		1951	CALLBACK
		1952	CODE:
		1953	{
		1954	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1955	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1956	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1957	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1958	"key",
		1959	"BDB::db_c_pget");
		1960
		1961	{
		1962	dREQ (REQ_C_PGET, 1);
		1963	req->dbc = dbc;
		1964	req->uint1 = flags;
		1965	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1966	sv_to_dbt (&req->dbt1, key);
		1967	else
		1968	{
		1969	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1970	sv_to_dbt (&req->dbt1, key);
		1971	else
		1972	req->dbt1.flags = DB_DBT_MALLOC;
		1973
		1974	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1975	}
		1976
		1977	req->dbt2.flags = DB_DBT_MALLOC;
		1978	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1979
		1980	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		1981	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		1982	sv_to_dbt (&req->dbt3, data);
		1983	else
		1984	req->dbt3.flags = DB_DBT_MALLOC;
		1985
		1986	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1987	REQ_SEND;
		1988	}
		1989	}
		1990
		1991	void
		1992	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1993	PREINIT:
		1994	CALLBACK
		1995	CODE:
		1996	{
		1997	dREQ (REQ_C_DEL, 1);
1457	req->dbc = dbc;	1998	req->dbc = dbc;
1458	req->uint1 = flags;	1999	req->uint1 = flags;
1459	if ((flags & DB_SET) == DB_SET
1460	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1461	sv_to_dbt (&req->dbt1, key);
1462	else
1463	req->dbt1.flags = DB_DBT_MALLOC;
1464
1465	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1466
1467	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1468	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1469	sv_to_dbt (&req->dbt3, data);
1470	else
1471	req->dbt3.flags = DB_DBT_MALLOC;
1472
1473	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1474	REQ_SEND;	2000	REQ_SEND;
1475	}	2001	}
1476		2002
1477	void
1478	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1479	CODE:
1480	{
1481	dREQ (REQ_C_PGET);
1482	req->dbc = dbc;
1483	req->uint1 = flags;
1484	if ((flags & DB_SET) == DB_SET
1485	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1486	sv_to_dbt (&req->dbt1, key);
1487	else
1488	req->dbt1.flags = DB_DBT_MALLOC;
1489		2003
1490	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2004	#if DB_VERSION_MINOR >= 3
1491		2005
1492	req->dbt2.flags = DB_DBT_MALLOC;
1493	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1494
1495	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1496	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1497	sv_to_dbt (&req->dbt3, data);
1498	else
1499	req->dbt3.flags = DB_DBT_MALLOC;
1500
1501	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1502	REQ_SEND;
1503	}
1504
1505	void	2006	void
1506	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1507	CODE:
1508	{
1509	dREQ (REQ_C_DEL);
1510	req->dbc = dbc;
1511	req->uint1 = flags;
1512	REQ_SEND;
1513	}
1514
1515
1516	void
1517	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	2007	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2008	PREINIT:
		2009	CALLBACK
1518	CODE:	2010	CODE:
1519	{	2011	{
1520	dREQ (REQ_SEQ_OPEN);	2012	dREQ (REQ_SEQ_OPEN, 2);
1521	req->seq = seq;	2013	req->seq = seq;
1522	req->txn = txnid;	2014	req->txn = txnid;
1523	req->uint1 = flags | DB_THREAD;	2015	req->uint1 = flags | DB_THREAD;
1524	sv_to_dbt (&req->dbt1, key);	2016	sv_to_dbt (&req->dbt1, key);
1525	REQ_SEND;	2017	REQ_SEND;
1526	}	2018	}
1527		2019
1528	void	2020	void
1529	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	2021	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2022	PREINIT:
		2023	CALLBACK
1530	CODE:	2024	CODE:
1531	{	2025	{
1532	dREQ (REQ_SEQ_CLOSE);	2026	dREQ (REQ_SEQ_CLOSE, 0);
		2027	ptr_nuke (ST (0));
1533	req->seq = seq;	2028	req->seq = seq;
1534	req->uint1 = flags;	2029	req->uint1 = flags;
1535	REQ_SEND;	2030	REQ_SEND;
1536	ptr_nuke (ST (0));
1537	}	2031	}
1538		2032
1539	void	2033	void
1540	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)	2034	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2035	PREINIT:
		2036	CALLBACK
1541	CODE:	2037	CODE:
1542	{	2038	{
1543	dREQ (REQ_SEQ_GET);	2039	dREQ (REQ_SEQ_GET, 2);
1544	req->seq = seq;	2040	req->seq = seq;
1545	req->txn = txnid;	2041	req->txn = txnid;
1546	req->int1 = delta;	2042	req->int1 = delta;
1547	req->uint1 = flags;	2043	req->uint1 = flags;
1548	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2044	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1549	REQ_SEND;	2045	REQ_SEND;
1550	}	2046	}
1551		2047
1552	void	2048	void
1553	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2049	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2050	PREINIT:
		2051	CALLBACK
1554	CODE:	2052	CODE:
1555	{	2053	{
1556	dREQ (REQ_SEQ_REMOVE);	2054	dREQ (REQ_SEQ_REMOVE, 2);
1557	req->seq = seq;	2055	req->seq = seq;
1558	req->txn = txnid;	2056	req->txn = txnid;
1559	req->uint1 = flags;	2057	req->uint1 = flags;
1560	REQ_SEND;	2058	REQ_SEND;
1561	}	2059	}
1562		2060
		2061	#endif
		2062
1563		2063
1564	MODULE = BDB PACKAGE = BDB::Env	2064	MODULE = BDB PACKAGE = BDB::Env
1565		2065
1566	void	2066	void
1567	DESTROY (DB_ENV_ornull *env)	2067	DESTROY (DB_ENV_ornuked *env)
1568	CODE:	2068	CODE:
1569	if (env)	2069	if (env)
1570	env->close (env, 0);	2070	env->close (env, 0);
1571		2071
1572	int set_data_dir (DB_ENV *env, const char *dir)	2072	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1597	CODE:	2097	CODE:
1598	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2098	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1599	OUTPUT:	2099	OUTPUT:
1600	RETVAL	2100	RETVAL
1601		2101
1602	int set_flags (DB_ENV *env, U32 flags, int onoff)	2102	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1603	CODE:	2103	CODE:
1604	RETVAL = env->set_flags (env, flags, onoff);	2104	RETVAL = env->set_flags (env, flags, onoff);
1605	OUTPUT:	2105	OUTPUT:
1606	RETVAL	2106	RETVAL
1607		2107
		2108	#if DB_VERSION_MINOR >= 7
		2109
		2110	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2111	CODE:
		2112	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2113	OUTPUT:
		2114	RETVAL
		2115
		2116	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2117	CODE:
		2118	RETVAL = env->log_set_config (env, flags, onoff);
		2119	OUTPUT:
		2120	RETVAL
		2121
		2122	#endif
		2123
		2124
		2125	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2126	CODE:
		2127	env->set_errfile (env, errfile);
		2128
		2129	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2130	CODE:
		2131	env->set_msgfile (env, msgfile);
		2132
		2133	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2134	CODE:
		2135	RETVAL = env->set_verbose (env, which, onoff);
		2136	OUTPUT:
		2137	RETVAL
		2138
1608	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2139	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609	CODE:	2140	CODE:
1610	RETVAL = env->set_encrypt (env, password, flags);	2141	RETVAL = env->set_encrypt (env, password, flags);
1611	OUTPUT:	2142	OUTPUT:
1612	RETVAL	2143	RETVAL
1613		2144
1614	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2145	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1615	CODE:	2146	CODE:
1616	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2147	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1617	OUTPUT:	2148	OUTPUT:
1618	RETVAL	2149	RETVAL
1619		2150
…		…
1668	int set_lg_max (DB_ENV *env, U32 max)	2199	int set_lg_max (DB_ENV *env, U32 max)
1669	CODE:	2200	CODE:
1670	RETVAL = env->set_lg_max (env, max);	2201	RETVAL = env->set_lg_max (env, max);
1671	OUTPUT:	2202	OUTPUT:
1672	RETVAL	2203	RETVAL
		2204
		2205	#if DB_VERSION_MINOR >= 4
		2206
		2207	int mutex_set_max (DB_ENV *env, U32 max)
		2208	CODE:
		2209	RETVAL = env->mutex_set_max (env, max);
		2210	OUTPUT:
		2211	RETVAL
		2212
		2213	int mutex_set_increment (DB_ENV *env, U32 increment)
		2214	CODE:
		2215	RETVAL = env->mutex_set_increment (env, increment);
		2216	OUTPUT:
		2217	RETVAL
		2218
		2219	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2220	CODE:
		2221	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2222	OUTPUT:
		2223	RETVAL
		2224
		2225	int mutex_set_align (DB_ENV *env, U32 align)
		2226	CODE:
		2227	RETVAL = env->mutex_set_align (env, align);
		2228	OUTPUT:
		2229	RETVAL
		2230
		2231	#endif
1673		2232
1674	DB_TXN *	2233	DB_TXN *
1675	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2234	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1676	CODE:	2235	CODE:
1677	errno = env->txn_begin (env, parent, &RETVAL, flags);	2236	errno = env->txn_begin (env, parent, &RETVAL, flags);
1678	if (errno)	2237	if (errno)
1679	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2238	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1680	OUTPUT:	2239	OUTPUT:
1681	RETVAL	2240	RETVAL
1682		2241
		2242	#if DB_VERSION_MINOR >= 5
		2243
		2244	DB_TXN *
		2245	cdsgroup_begin (DB_ENV *env)
		2246	CODE:
		2247	errno = env->cdsgroup_begin (env, &RETVAL);
		2248	if (errno)
		2249	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2250	OUTPUT:
		2251	RETVAL
		2252
		2253	#endif
		2254
1683	MODULE = BDB PACKAGE = BDB::Db	2255	MODULE = BDB PACKAGE = BDB::Db
1684		2256
1685	void	2257	void
1686	DESTROY (DB_ornull *db)	2258	DESTROY (DB_ornuked *db)
1687	CODE:	2259	CODE:
1688	if (db)	2260	if (db)
1689	{	2261	{
1690	SV *env = (SV *)db->app_private;	2262	SV *env = (SV *)db->app_private;
1691	db->close (db, 0);	2263	db->close (db, 0);
…		…
1696	CODE:	2268	CODE:
1697	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2269	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698	OUTPUT:	2270	OUTPUT:
1699	RETVAL	2271	RETVAL
1700		2272
		2273	int set_pagesize (DB *db, U32 pagesize)
		2274	CODE:
		2275	RETVAL = db->set_pagesize (db, pagesize);
		2276	OUTPUT:
		2277	RETVAL
		2278
1701	int set_flags (DB *db, U32 flags);	2279	int set_flags (DB *db, U32 flags)
1702	CODE:	2280	CODE:
1703	RETVAL = db->set_flags (db, flags);	2281	RETVAL = db->set_flags (db, flags);
1704	OUTPUT:	2282	OUTPUT:
1705	RETVAL	2283	RETVAL
1706		2284
…		…
1720	CODE:	2298	CODE:
1721	RETVAL = db->set_bt_minkey (db, minkey);	2299	RETVAL = db->set_bt_minkey (db, minkey);
1722	OUTPUT:	2300	OUTPUT:
1723	RETVAL	2301	RETVAL
1724		2302
1725	int set_re_delim(DB *db, int delim);	2303	int set_re_delim (DB *db, int delim)
1726	CODE:	2304	CODE:
1727	RETVAL = db->set_re_delim (db, delim);	2305	RETVAL = db->set_re_delim (db, delim);
1728	OUTPUT:	2306	OUTPUT:
1729	RETVAL	2307	RETVAL
1730		2308
…		…
1771	if (errno)	2349	if (errno)
1772	croak ("DB->cursor: %s", db_strerror (errno));	2350	croak ("DB->cursor: %s", db_strerror (errno));
1773	OUTPUT:	2351	OUTPUT:
1774	RETVAL	2352	RETVAL
1775		2353
		2354	#if DB_VERSION_MINOR >= 3
		2355
1776	DB_SEQUENCE *	2356	DB_SEQUENCE *
1777	sequence (DB *db, U32 flags = 0)	2357	sequence (DB *db, U32 flags = 0)
1778	CODE:	2358	CODE:
1779	{	2359	{
1780	errno = db_sequence_create (&RETVAL, db, flags);	2360	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1782	croak ("db_sequence_create: %s", db_strerror (errno));	2362	croak ("db_sequence_create: %s", db_strerror (errno));
1783	}	2363	}
1784	OUTPUT:	2364	OUTPUT:
1785	RETVAL	2365	RETVAL
1786		2366
		2367	#endif
		2368
1787		2369
1788	MODULE = BDB PACKAGE = BDB::Txn	2370	MODULE = BDB PACKAGE = BDB::Txn
1789		2371
1790	void	2372	void
1791	DESTROY (DB_TXN_ornull *txn)	2373	DESTROY (DB_TXN_ornuked *txn)
1792	CODE:	2374	CODE:
1793	if (txn)	2375	if (txn)
1794	txn->abort (txn);	2376	txn->abort (txn);
1795		2377
1796	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2378	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1797	CODE:	2379	CODE:
1798	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2380	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1799	OUTPUT:	2381	OUTPUT:
1800	RETVAL	2382	RETVAL
1801		2383
		2384	int failed (DB_TXN *txn)
		2385	CODE:
		2386	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2387	OUTPUT:
		2388	RETVAL
		2389
1802		2390
1803	MODULE = BDB PACKAGE = BDB::Cursor	2391	MODULE = BDB PACKAGE = BDB::Cursor
1804		2392
1805	void	2393	void
1806	DESTROY (DBC_ornull *dbc)	2394	DESTROY (DBC_ornuked *dbc)
1807	CODE:	2395	CODE:
1808	if (dbc)	2396	if (dbc)
1809	dbc->c_close (dbc);	2397	dbc->c_close (dbc);
1810		2398
		2399	#if DB_VERSION_MINOR >= 6
		2400
		2401	int set_priority (DBC *dbc, int priority)
		2402	CODE:
		2403	dbc->set_priority (dbc, priority);
		2404
		2405	#endif
		2406
		2407	#if DB_VERSION_MINOR >= 3
		2408
1811	MODULE = BDB PACKAGE = BDB::Sequence	2409	MODULE = BDB PACKAGE = BDB::Sequence
1812		2410
1813	void	2411	void
1814	DESTROY (DB_SEQUENCE_ornull *seq)	2412	DESTROY (DB_SEQUENCE_ornuked *seq)
1815	CODE:	2413	CODE:
1816	if (seq)	2414	if (seq)
1817	seq->close (seq, 0);	2415	seq->close (seq, 0);
1818		2416
1819	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2417	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1838	CODE:	2436	CODE:
1839	RETVAL = seq->set_range (seq, min, max);	2437	RETVAL = seq->set_range (seq, min, max);
1840	OUTPUT:	2438	OUTPUT:
1841	RETVAL	2439	RETVAL
1842		2440
		2441	#endif
		2442
		2443

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