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Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.68 by root, Tue Jul 14 19:29:23 2009 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	#include "schmorp.h"
		12
		13	// perl stupidly defines these as macros, breaking
		14	// lots and lots of code.
		15	#undef open
		16	#undef close
		17	#undef abort
		18	#undef malloc
		19	#undef free
		20	#undef send
18		21
19	#include <stddef.h>	22	#include <stddef.h>
20	#include <stdlib.h>	23	#include <stdlib.h>
21	#include <errno.h>	24	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	25	#include <sys/types.h>
24	#include <limits.h>	26	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	27	#include <fcntl.h>
27		28
		29	#ifndef _WIN32
		30	# include <sys/time.h>
		31	# include <unistd.h>
		32	#endif
		33
28	#include <db.h>	34	#include <db.h>
		35
		36	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		38	#endif
29		39
30	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
32		42
33	/* wether word reads are potentially non-atomic.	43	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	44
35	* on have atomic word read/writes.	45	typedef DB_ENV DB_ENV_ornull;
36	*/	46	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	47	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	48	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	49
40	# else	50	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
		56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	58	#endif
43	#endif
44		59
45	typedef DB_ENV DB_ENV_ornull;	60	typedef char *bdb_filename;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49
50	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;
52		61
53	static SV *prepare_cb;	62	static SV *prepare_cb;
54		63
		64	#if DB_VERSION_MINOR >= 6
		65	# define c_close close
		66	# define c_count count
		67	# define c_del del
		68	# define c_dup dup
		69	# define c_get get
		70	# define c_pget pget
		71	# define c_put put
		72	#endif
		73
55	static inline char *	74	static char *
		75	get_bdb_filename (SV *sv)
		76	{
		77	if (!SvOK (sv))
		78	return 0;
		79
		80	#if _WIN32
		81	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		82	{
		83	STRLEN len;
		84	char *src = SvPVbyte (sv, len);
		85	SV *t1 = sv_newmortal ();
		86	SV *t2 = sv_newmortal ();
		87
		88	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		89	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		90
		91	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		92	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		93	SvPOK_only (t2);
		94	SvPVX (t2)[len] = 0;
		95	SvCUR_set (t2, len);
		96
		97	return SvPVX (t2);
		98	}
		99	#else
		100	return SvPVbyte_nolen (sv);
		101	#endif
		102	}
		103
		104	static void
		105	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		106	{
		107	printf ("err[%s]\n", msg);
		108	}
		109
		110	static void
		111	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		112	{
		113	printf ("msg[%s]\n", msg);
		114	}
		115
		116	static char *
56	strdup_ornull (const char *s)	117	strdup_ornull (const char *s)
57	{	118	{
58	return s ? strdup (s) : 0;	119	return s ? strdup (s) : 0;
59	}	120	}
60		121
61	static inline void	122	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	123	sv_to_dbt (DBT *dbt, SV *sv)
63	{	124	{
64	STRLEN len;	125	STRLEN len;
65	char *data = SvPVbyte (sv, len);	126	char *data = SvPVbyte (sv, len);
66		127
…		…
68	memcpy (dbt->data, data, len);	129	memcpy (dbt->data, data, len);
69	dbt->size = len;	130	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	131	dbt->flags = DB_DBT_REALLOC;
71	}	132	}
72		133
73	static inline void	134	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	135	dbt_to_sv (SV *sv, DBT *dbt)
75	{	136	{
76	if (sv)	137	if (sv)
77	{	138	{
78	SvREADONLY_off (sv);	139	SvREADONLY_off (sv);
		140
		141	if (dbt->data)
79	sv_setpvn_mg (sv, dbt->data, dbt->size);	142	sv_setpvn_mg (sv, dbt->data, dbt->size);
		143	else
		144	sv_setsv_mg (sv, &PL_sv_undef);
		145
80	SvREFCNT_dec (sv);	146	SvREFCNT_dec (sv);
81	}	147	}
82		148
83	free (dbt->data);	149	free (dbt->data);
84	}	150	}
85		151
86	enum {	152	enum {
87	REQ_QUIT,	153	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	154	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		155	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		156	REQ_ENV_LOG_ARCHIVE,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	157	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
		158	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	159	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	160	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		161	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	162	};
93		163
94	typedef struct aio_cb	164	typedef struct bdb_cb
95	{	165	{
96	struct aio_cb *volatile next;	166	struct bdb_cb *volatile next;
97	SV *callback;	167	SV *callback;
98	int type, pri, result;	168	int type, pri, result;
99		169
100	DB_ENV *env;	170	DB_ENV *env;
101	DB *db;	171	DB *db;
…		…
103	DBC *dbc;	173	DBC *dbc;
104		174
105	UV uv1;	175	UV uv1;
106	int int1, int2;	176	int int1, int2;
107	U32 uint1, uint2;	177	U32 uint1, uint2;
108	char *buf1, *buf2;	178	char *buf1, *buf2, *buf3;
109	SV *sv1, *sv2, *sv3;	179	SV *sv1, *sv2, *sv3;
110		180
111	DBT dbt1, dbt2, dbt3;	181	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	182	DB_KEY_RANGE key_range;
		183	#if DB_VERSION_MINOR >= 3
		184	DB_SEQUENCE *seq;
		185	db_seq_t seq_t;
		186	#endif
113		187
		188	SV *rsv1, *rsv2; // keep some request objects alive
		189	} bdb_cb;
		190
114	typedef aio_cb *aio_req;	191	typedef bdb_cb *bdb_req;
115		192
116	enum {	193	enum {
117	PRI_MIN = -4,	194	PRI_MIN = -4,
118	PRI_MAX = 4,	195	PRI_MAX = 4,
119		196
…		…
122	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	199	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
123	};	200	};
124		201
125	#define AIO_TICKS ((1000000 + 1023) >> 10)	202	#define AIO_TICKS ((1000000 + 1023) >> 10)
126		203
		204	static SV *on_next_submit;
		205
127	static unsigned int max_poll_time = 0;	206	static unsigned int max_poll_time = 0;
128	static unsigned int max_poll_reqs = 0;	207	static unsigned int max_poll_reqs = 0;
129		208
130	/* calculcate time difference in ~1/AIO_TICKS of a second */	209	/* calculcate time difference in ~1/AIO_TICKS of a second */
131	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	210	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
136		215
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	216	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		217
139	static unsigned int started, idle, wanted;	218	static unsigned int started, idle, wanted;
140		219
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	220	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	221	static mutex_t wrklock = X_MUTEX_INIT;
152		222
153	typedef struct worker {	223	typedef struct worker {
154	/* locked by wrklock */	224	/* locked by wrklock */
155	struct worker *prev, *next;	225	struct worker *prev, *next;
156		226
157	pthread_t tid;	227	thread_t tid;
158		228
159	/* locked by reslock, reqlock or wrklock */	229	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	230	bdb_req req; /* currently processed request */
161	void *dbuf;	231	void *dbuf;
162	DIR *dirp;	232	DIR *dirp;
163	} worker;	233	} worker;
164		234
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	235	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	247	}
178		248
179	static volatile unsigned int nreqs, nready, npending;	249	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	250	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	251	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	252	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		253
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	254	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	255	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	256	static cond_t reqwait = X_COND_INIT;
187		257
188	#if WORDACCESS_UNSAFE	258	#if WORDACCESS_UNSAFE
189		259
190	static unsigned int get_nready ()	260	static unsigned int get_nready (void)
191	{	261	{
192	unsigned int retval;	262	unsigned int retval;
193		263
194	LOCK (reqlock);	264	X_LOCK (reqlock);
195	retval = nready;	265	retval = nready;
196	UNLOCK (reqlock);	266	X_UNLOCK (reqlock);
197		267
198	return retval;	268	return retval;
199	}	269	}
200		270
201	static unsigned int get_npending ()	271	static unsigned int get_npending (void)
202	{	272	{
203	unsigned int retval;	273	unsigned int retval;
204		274
205	LOCK (reslock);	275	X_LOCK (reslock);
206	retval = npending;	276	retval = npending;
207	UNLOCK (reslock);	277	X_UNLOCK (reslock);
208		278
209	return retval;	279	return retval;
210	}	280	}
211		281
212	static unsigned int get_nthreads ()	282	static unsigned int get_nthreads (void)
213	{	283	{
214	unsigned int retval;	284	unsigned int retval;
215		285
216	LOCK (wrklock);	286	X_LOCK (wrklock);
217	retval = started;	287	retval = started;
218	UNLOCK (wrklock);	288	X_UNLOCK (wrklock);
219		289
220	return retval;	290	return retval;
221	}	291	}
222		292
223	#else	293	#else
…		…
232	* a somewhat faster data structure might be nice, but	302	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	303	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	304	* per shift, the most expensive operation.
235	*/	305	*/
236	typedef struct {	306	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	307	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	308	int size;
239	} reqq;	309	} reqq;
240		310
241	static reqq req_queue;	311	static reqq req_queue;
242	static reqq res_queue;	312	static reqq res_queue;
243		313
244	int reqq_push (reqq *q, aio_req req)	314	int reqq_push (reqq *q, bdb_req req)
245	{	315	{
246	int pri = req->pri;	316	int pri = req->pri;
247	req->next = 0;	317	req->next = 0;
248		318
249	if (q->qe[pri])	319	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	325	q->qe[pri] = q->qs[pri] = req;
256		326
257	return q->size++;	327	return q->size++;
258	}	328	}
259		329
260	aio_req reqq_shift (reqq *q)	330	bdb_req reqq_shift (reqq *q)
261	{	331	{
262	int pri;	332	int pri;
263		333
264	if (!q->size)	334	if (!q->size)
265	return 0;	335	return 0;
266		336
267	--q->size;	337	--q->size;
268		338
269	for (pri = NUM_PRI; pri--; )	339	for (pri = NUM_PRI; pri--; )
270	{	340	{
271	aio_req req = q->qs[pri];	341	bdb_req req = q->qs[pri];
272		342
273	if (req)	343	if (req)
274	{	344	{
275	if (!(q->qs[pri] = req->next))	345	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	346	q->qe[pri] = 0;
…		…
280	}	350	}
281		351
282	abort ();	352	abort ();
283	}	353	}
284		354
285	static int poll_cb ();	355	static int poll_cb (void);
286	static void req_free (aio_req req);	356	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);
288		357
289	static int req_invoke (aio_req req)	358	static int req_invoke (bdb_req req)
290	{	359	{
291	dSP;	360	switch (req->type)
292
293	if (SvOK (req->callback))
294	{	361	{
		362	case REQ_DB_CLOSE:
		363	SvREFCNT_dec (req->sv1);
		364	break;
		365
		366	case REQ_DB_GET:
		367	case REQ_DB_PGET:
		368	case REQ_C_GET:
		369	case REQ_C_PGET:
		370	case REQ_DB_PUT:
		371	case REQ_C_PUT:
		372	dbt_to_sv (req->sv1, &req->dbt1);
		373	dbt_to_sv (req->sv2, &req->dbt2);
		374	dbt_to_sv (req->sv3, &req->dbt3);
		375	break;
		376
		377	case REQ_DB_KEY_RANGE:
		378	{
		379	AV *av = newAV ();
		380
		381	av_push (av, newSVnv (req->key_range.less));
		382	av_push (av, newSVnv (req->key_range.equal));
		383	av_push (av, newSVnv (req->key_range.greater));
		384
		385	av = (AV *)newRV_noinc ((SV *)av);
		386
		387	SvREADONLY_off (req->sv1);
		388	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		389	SvREFCNT_dec (av);
		390	SvREFCNT_dec (req->sv1);
		391	}
		392	break;
		393
		394	#if DB_VERSION_MINOR >= 3
		395	case REQ_SEQ_GET:
		396	SvREADONLY_off (req->sv1);
		397
		398	if (sizeof (IV) > 4)
		399	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		400	else
		401	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		402
		403	SvREFCNT_dec (req->sv1);
		404	break;
		405	#endif
		406
		407	case REQ_ENV_LOG_ARCHIVE:
		408	{
		409	AV *av = newAV ();
		410	char **listp = (char **)req->buf1;
		411
		412	if (listp)
		413	while (*listp)
		414	av_push (av, newSVpv (*listp, 0)), ++listp;
		415
		416	av = (AV *)newRV_noinc ((SV *)av);
		417
		418	SvREADONLY_off (req->sv1);
		419	sv_setsv_mg (req->sv1, (SV *)av);
		420	SvREFCNT_dec (av);
		421	SvREFCNT_dec (req->sv1);
		422	}
		423	break;
		424	}
		425
		426	errno = req->result;
		427
		428	if (req->callback)
		429	{
		430	dSP;
		431
295	ENTER;	432	ENTER;
296	SAVETMPS;	433	SAVETMPS;
297	PUSHMARK (SP);	434	PUSHMARK (SP);
298	EXTEND (SP, 1);
299
300	switch (req->type)
301	{
302	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);
304	break;
305
306	case REQ_DB_GET:
307	case REQ_DB_PGET:
308	dbt_to_sv (req->sv3, &req->dbt3);
309	break;
310
311	case REQ_C_GET:
312	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);
316	break;
317	}
318
319	errno = req->result;
320		435
321	PUTBACK;	436	PUTBACK;
322	call_sv (req->callback, G_VOID | G_EVAL);	437	call_sv (req->callback, G_VOID | G_EVAL);
323	SPAGAIN;	438	SPAGAIN;
324		439
325	FREETMPS;	440	FREETMPS;
326	LEAVE;	441	LEAVE;
		442
		443	return !SvTRUE (ERRSV);
327	}	444	}
328		445
329	return !SvTRUE (ERRSV);	446	return 1;
330	}	447	}
331		448
332	static void req_free (aio_req req)	449	static void req_free (bdb_req req)
333	{	450	{
		451	SvREFCNT_dec (req->callback);
		452
		453	SvREFCNT_dec (req->rsv1);
		454	SvREFCNT_dec (req->rsv2);
		455
334	free (req->buf1);	456	free (req->buf1);
335	free (req->buf2);	457	free (req->buf2);
		458	free (req->buf3);
		459
336	Safefree (req);	460	Safefree (req);
337	}	461	}
338		462
339	static void *aio_proc (void *arg);	463	static void
		464	create_respipe (void)
		465	{
		466	#ifdef _WIN32
		467	int arg; /* argg */
		468	#endif
		469	int old_readfd = respipe [0];
		470
		471	if (respipe [1] >= 0)
		472	respipe_close (S_TO_SOCKET (respipe [1]));
		473
		474	if (s_pipe (respipe))
		475	croak ("unable to initialize result pipe");
		476
		477	if (old_readfd >= 0)
		478	{
		479	if (dup2 (S_TO_SOCKET (respipe [0]), S_TO_SOCKET (old_readfd)) < 0)
		480	croak ("unable to initialize result pipe(2)");
		481
		482	respipe_close (respipe [0]);
		483	respipe [0] = old_readfd;
		484	}
		485
		486	#ifdef _WIN32
		487	arg = 1;
		488	if (ioctlsocket (S_TO_SOCKET (respipe [0]), FIONBIO, &arg)
		489	|| ioctlsocket (S_TO_SOCKET (respipe [1]), FIONBIO, &arg))
		490	#else
		491	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		492	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		493	#endif
		494	croak ("unable to initialize result pipe(3)");
		495
		496	respipe_osf [0] = S_TO_SOCKET (respipe [0]);
		497	respipe_osf [1] = S_TO_SOCKET (respipe [1]);
		498	}
		499
		500	static void bdb_request (bdb_req req);
		501	X_THREAD_PROC (bdb_proc);
340		502
341	static void start_thread (void)	503	static void start_thread (void)
342	{	504	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	505	worker *wrk = calloc (1, sizeof (worker));
347		506
348	if (!wrk)	507	if (!wrk)
349	croak ("unable to allocate worker thread data");	508	croak ("unable to allocate worker thread data");
350		509
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	510	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	511	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	512	{
364	wrk->prev = &wrk_first;	513	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	514	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	515	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	516	wrk_first.next = wrk;
368	++started;	517	++started;
369	}	518	}
370	else	519	else
371	free (wrk);	520	free (wrk);
372		521
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	522	X_UNLOCK (wrklock);
375	}	523	}
376		524
377	static void maybe_start_thread ()	525	static void maybe_start_thread (void)
378	{	526	{
379	if (get_nthreads () >= wanted)	527	if (get_nthreads () >= wanted)
380	return;	528	return;
381		529
382	/* todo: maybe use idle here, but might be less exact */	530	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	532	return;
385		533
386	start_thread ();	534	start_thread ();
387	}	535	}
388		536
389	static void req_send (aio_req req)	537	static void req_send (bdb_req req)
390	{	538	{
391	SV *wait_callback = 0;	539	SV *wait_callback = 0;
392		540
393	// synthesize callback if none given	541	if (on_next_submit)
394	if (!SvOK (req->callback))
395	{	542	{
396	dSP;	543	dSP;
		544	SV *cb = sv_2mortal (on_next_submit);
		545
		546	on_next_submit = 0;
		547
397	PUSHMARK (SP);	548	PUSHMARK (SP);
398	PUTBACK;	549	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	550	call_sv (cb, G_DISCARD | G_EVAL);
400	SPAGAIN;	551	SPAGAIN;
401
402	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");
404
405	wait_callback = SvREFCNT_inc (POPs);
406	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);
408	}	552	}
409		553
		554	// synthesize callback if none given
		555	if (!req->callback)
		556	{
		557	if (SvOK (prepare_cb))
		558	{
		559	int count;
		560
		561	dSP;
		562	PUSHMARK (SP);
		563	PUTBACK;
		564	count = call_sv (prepare_cb, G_ARRAY);
		565	SPAGAIN;
		566
		567	if (count != 2)
		568	croak ("sync prepare callback must return exactly two values\n");
		569
		570	wait_callback = POPs;
		571	req->callback = SvREFCNT_inc (POPs);
		572	}
		573	else
		574	{
		575	// execute request synchronously
		576	bdb_request (req);
		577	req_invoke (req);
		578	req_free (req);
		579	return;
		580	}
		581	}
		582
410	++nreqs;	583	++nreqs;
411		584
412	LOCK (reqlock);	585	X_LOCK (reqlock);
413	++nready;	586	++nready;
414	reqq_push (&req_queue, req);	587	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	588	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	589	X_UNLOCK (reqlock);
417		590
418	maybe_start_thread ();	591	maybe_start_thread ();
419		592
420	if (wait_callback)	593	if (wait_callback)
421	{	594	{
422	dSP;	595	dSP;
423	PUSHMARK (SP);	596	PUSHMARK (SP);
424	PUTBACK;	597	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	598	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	599	}
428	}	600	}
429		601
430	static void end_thread (void)	602	static void end_thread (void)
431	{	603	{
432	aio_req req;	604	bdb_req req = calloc (1, sizeof (bdb_cb));
433
434	Newz (0, req, 1, aio_cb);
435		605
436	req->type = REQ_QUIT;	606	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	607	req->pri = PRI_MAX + PRI_BIAS;
438		608
439	LOCK (reqlock);	609	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	610	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	611	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	612	X_UNLOCK (reqlock);
443		613
444	LOCK (wrklock);	614	X_LOCK (wrklock);
445	--started;	615	--started;
446	UNLOCK (wrklock);	616	X_UNLOCK (wrklock);
447	}	617	}
448		618
449	static void set_max_idle (int nthreads)	619	static void set_max_idle (int nthreads)
450	{	620	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	621	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	622	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	623	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	624	}
455		625
456	static void min_parallel (int nthreads)	626	static void min_parallel (int nthreads)
457	{	627	{
458	if (wanted < nthreads)	628	if (wanted < nthreads)
…		…
466		636
467	while (started > wanted)	637	while (started > wanted)
468	end_thread ();	638	end_thread ();
469	}	639	}
470		640
471	static void poll_wait ()	641	static void poll_wait (void)
472	{	642	{
473	fd_set rfd;	643	fd_set rfd;
474		644
475	while (nreqs)	645	while (nreqs)
476	{	646	{
477	int size;	647	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	648	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	649	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	650	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		651
482	if (size)	652	if (size)
483	return;	653	return;
484		654
485	maybe_start_thread ();	655	maybe_start_thread ();
486		656
487	FD_ZERO(&rfd);	657	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	658	FD_SET (respipe [0], &rfd);
489		659
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	660	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	661	}
492	}	662	}
493		663
494	static int poll_cb ()	664	static int poll_cb (void)
495	{	665	{
496	dSP;	666	dSP;
497	int count = 0;	667	int count = 0;
498	int maxreqs = max_poll_reqs;	668	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	669	int do_croak = 0;
500	struct timeval tv_start, tv_now;	670	struct timeval tv_start, tv_now;
501	aio_req req;	671	bdb_req req;
502		672
503	if (max_poll_time)	673	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	674	gettimeofday (&tv_start, 0);
505		675
506	for (;;)	676	for (;;)
507	{	677	{
508	for (;;)	678	for (;;)
509	{	679	{
510	maybe_start_thread ();	680	maybe_start_thread ();
511		681
512	LOCK (reslock);	682	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	683	req = reqq_shift (&res_queue);
514		684
515	if (req)	685	if (req)
516	{	686	{
517	--npending;	687	--npending;
518		688
519	if (!res_queue.size)	689	if (!res_queue.size)
520	{	690	{
521	/* read any signals sent by the worker threads */	691	/* read any signals sent by the worker threads */
522	char buf [4];	692	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	693	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	694	;
525	}	695	}
526	}	696	}
527		697
528	UNLOCK (reslock);	698	X_UNLOCK (reslock);
529		699
530	if (!req)	700	if (!req)
531	break;	701	break;
532		702
533	--nreqs;	703	--nreqs;
…		…
563	}	733	}
564		734
565	return count;	735	return count;
566	}	736	}
567		737
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	738	/*****************************************************************************/
581		739
582	static void *aio_proc (void *thr_arg)	740	static void
		741	bdb_request (bdb_req req)
583	{	742	{
		743	switch (req->type)
		744	{
		745	case REQ_ENV_OPEN:
		746	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		747	break;
		748
		749	case REQ_ENV_CLOSE:
		750	req->result = req->env->close (req->env, req->uint1);
		751	break;
		752
		753	case REQ_ENV_TXN_CHECKPOINT:
		754	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		755	break;
		756
		757	case REQ_ENV_LOCK_DETECT:
		758	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		759	break;
		760
		761	case REQ_ENV_MEMP_SYNC:
		762	req->result = req->env->memp_sync (req->env, 0);
		763	break;
		764
		765	case REQ_ENV_MEMP_TRICKLE:
		766	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		767	break;
		768
		769	case REQ_ENV_DBREMOVE:
		770	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		771	break;
		772
		773	case REQ_ENV_DBRENAME:
		774	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		775	break;
		776
		777	case REQ_DB_OPEN:
		778	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		779	break;
		780
		781	case REQ_DB_CLOSE:
		782	req->result = req->db->close (req->db, req->uint1);
		783	break;
		784
		785	#if DB_VERSION_MINOR >= 4
		786	case REQ_DB_COMPACT:
		787	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);
		788	break;
		789	#endif
		790
		791	case REQ_DB_SYNC:
		792	req->result = req->db->sync (req->db, req->uint1);
		793	break;
		794
		795	case REQ_DB_VERIFY:
		796	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		797	break;
		798
		799	case REQ_DB_UPGRADE:
		800	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		801	break;
		802
		803	case REQ_DB_PUT:
		804	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		805	break;
		806
		807	#if DB_VERSION_MINOR >= 6
		808	case REQ_DB_EXISTS:
		809	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		810	break;
		811	#endif
		812	case REQ_DB_GET:
		813	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		814	break;
		815
		816	case REQ_DB_PGET:
		817	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		818	break;
		819
		820	case REQ_DB_DEL:
		821	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		822	break;
		823
		824	case REQ_DB_KEY_RANGE:
		825	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		826	break;
		827
		828	case REQ_TXN_COMMIT:
		829	req->result = req->txn->commit (req->txn, req->uint1);
		830	break;
		831
		832	case REQ_TXN_ABORT:
		833	req->result = req->txn->abort (req->txn);
		834	break;
		835
		836	case REQ_TXN_FINISH:
		837	if (req->txn->flags & TXN_DEADLOCK)
		838	{
		839	req->result = req->txn->abort (req->txn);
		840	if (!req->result)
		841	req->result = DB_LOCK_DEADLOCK;
		842	}
		843	else
		844	req->result = req->txn->commit (req->txn, req->uint1);
		845	break;
		846
		847	case REQ_C_CLOSE:
		848	req->result = req->dbc->c_close (req->dbc);
		849	break;
		850
		851	case REQ_C_COUNT:
		852	{
		853	db_recno_t recno;
		854	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		855	req->uv1 = recno;
		856	}
		857	break;
		858
		859	case REQ_C_PUT:
		860	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		861	break;
		862
		863	case REQ_C_GET:
		864	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		865	break;
		866
		867	case REQ_C_PGET:
		868	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		869	break;
		870
		871	case REQ_C_DEL:
		872	req->result = req->dbc->c_del (req->dbc, req->uint1);
		873	break;
		874
		875	#if DB_VERSION_MINOR >= 3
		876	case REQ_SEQ_OPEN:
		877	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		878	break;
		879
		880	case REQ_SEQ_CLOSE:
		881	req->result = req->seq->close (req->seq, req->uint1);
		882	break;
		883
		884	case REQ_SEQ_GET:
		885	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		886	break;
		887
		888	case REQ_SEQ_REMOVE:
		889	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		890	break;
		891	#endif
		892
		893	case REQ_ENV_LOG_ARCHIVE:
		894	{
		895	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		896	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		897	req->buf1 = (char *)listp;
		898	}
		899	break;
		900
		901	default:
		902	req->result = ENOSYS;
		903	break;
		904	}
		905
		906	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		907	req->txn->flags |= TXN_DEADLOCK;
		908	}
		909
		910	X_THREAD_PROC (bdb_proc)
		911	{
584	aio_req req;	912	bdb_req req;
585	struct timespec ts;	913	struct timespec ts;
586	worker *self = (worker *)thr_arg;	914	worker *self = (worker *)thr_arg;
587		915
588	/* try to distribute timeouts somewhat evenly */	916	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	917	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		918
592	for (;;)	919	for (;;)
593	{	920	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	921	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		922
596	LOCK (reqlock);	923	X_LOCK (reqlock);
597		924
598	for (;;)	925	for (;;)
599	{	926	{
600	self->req = req = reqq_shift (&req_queue);	927	self->req = req = reqq_shift (&req_queue);
601		928
602	if (req)	929	if (req)
603	break;	930	break;
604		931
605	++idle;	932	++idle;
606		933
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	934	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	935	== ETIMEDOUT)
609	{	936	{
610	if (idle > max_idle)	937	if (idle > max_idle)
611	{	938	{
612	--idle;	939	--idle;
613	UNLOCK (reqlock);	940	X_UNLOCK (reqlock);
614	LOCK (wrklock);	941	X_LOCK (wrklock);
615	--started;	942	--started;
616	UNLOCK (wrklock);	943	X_UNLOCK (wrklock);
617	goto quit;	944	goto quit;
618	}	945	}
619		946
620	/* we are allowed to idle, so do so without any timeout */	947	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	948	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	949	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	950	}
624		951
625	--idle;	952	--idle;
626	}	953	}
627		954
628	--nready;	955	--nready;
629		956
630	UNLOCK (reqlock);	957	X_UNLOCK (reqlock);
631		958
632	switch (req->type)	959	if (req->type == REQ_QUIT)
633	{	960	{
634	case REQ_QUIT:	961	X_LOCK (reslock);
		962	free (req);
		963	self->req = 0;
		964	X_UNLOCK (reslock);
		965
635	goto quit;	966	goto quit;
636
637	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;
640
641	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);
643	break;
644
645	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;
648
649	case REQ_DB_CLOSE:
650	req->result = req->db->close (req->db, req->uint1);
651	break;
652
653	case REQ_DB_COMPACT:
654	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
655	break;
656
657	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);
659	break;
660
661	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;
664
665	case REQ_DB_GET:
666	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
667	break;
668
669	case REQ_DB_PGET:
670	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
671	break;
672
673	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;
676
677	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);
679	break;
680
681	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);
683	break;
684
685	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);
687	break;
688
689	case REQ_C_COUNT:
690	{
691	db_recno_t recno;
692	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
693	req->uv1 = recno;
694	}
695	break;
696
697	case REQ_C_PUT:
698	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
699	break;
700
701	case REQ_C_GET:
702	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
703	break;
704
705	case REQ_C_PGET:
706	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
707	break;
708
709	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;
712
713	default:
714	req->result = ENOSYS;
715	break;
716	}	967	}
717		968
		969	bdb_request (req);
		970
718	LOCK (reslock);	971	X_LOCK (reslock);
719		972
720	++npending;	973	++npending;
721		974
722	if (!reqq_push (&res_queue, req))	975	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	976	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	977	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		978
726	self->req = 0;	979	self->req = 0;
727	worker_clear (self);	980	worker_clear (self);
728		981
729	UNLOCK (reslock);	982	X_UNLOCK (reslock);
730	}	983	}
731		984
732	quit:	985	quit:
733	LOCK (wrklock);	986	X_LOCK (wrklock);
734	worker_free (self);	987	worker_free (self);
735	UNLOCK (wrklock);	988	X_UNLOCK (wrklock);
736		989
737	return 0;	990	return 0;
738	}	991	}
739		992
740	/*****************************************************************************/	993	/*****************************************************************************/
741		994
742	static void atfork_prepare (void)	995	static void atfork_prepare (void)
743	{	996	{
744	LOCK (wrklock);	997	X_LOCK (wrklock);
745	LOCK (reqlock);	998	X_LOCK (reqlock);
746	LOCK (reslock);	999	X_LOCK (reslock);
747	}	1000	}
748		1001
749	static void atfork_parent (void)	1002	static void atfork_parent (void)
750	{	1003	{
751	UNLOCK (reslock);	1004	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	1005	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	1006	X_UNLOCK (wrklock);
754	}	1007	}
755		1008
756	static void atfork_child (void)	1009	static void atfork_child (void)
757	{	1010	{
758	aio_req prv;	1011	bdb_req prv;
759		1012
760	while (prv = reqq_shift (&req_queue))	1013	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	1014	req_free (prv);
762		1015
763	while (prv = reqq_shift (&res_queue))	1016	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	1031	idle = 0;
779	nreqs = 0;	1032	nreqs = 0;
780	nready = 0;	1033	nready = 0;
781	npending = 0;	1034	npending = 0;
782		1035
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	1036	create_respipe ();
786		1037
787	atfork_parent ();	1038	atfork_parent ();
788	}	1039	}
789		1040
790	#define dREQ(reqtype) \	1041	#define dREQ(reqtype,rsvcnt) \
791	aio_req req; \	1042	bdb_req req; \
792	int req_pri = next_pri; \	1043	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	1044	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	1045	\
795	if (SvOK (callback) && !SvROK (callback)) \	1046	if (callback && SvOK (callback)) \
796	croak ("callback must be undef or of reference type"); \	1047	croak ("callback has illegal type or extra arguments"); \
797	\	1048	\
798	Newz (0, req, 1, aio_cb); \	1049	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	1050	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	1051	croak ("out of memory during bdb_req allocation"); \
801	\	1052	\
802	req->callback = newSVsv (callback); \	1053	req->callback = SvREFCNT_inc (cb); \
803	req->type = (reqtype); \	1054	req->type = (reqtype); \
804	req->pri = req_pri	1055	req->pri = req_pri; \
		1056	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1057	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1058	(void)0;
805		1059
806	#define REQ_SEND \	1060	#define REQ_SEND \
807	req_send (req)	1061	req_send (req)
808		1062
809	#define SvPTR(var, arg, type, class, nullok) \	1063	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	1064	if (!SvOK (arg)) \
811	{ \	1065	{ \
812	if (!nullok) \	1066	if (nullok != 1) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	1067	croak (# var " must be a " # class " object, not undef"); \
814	\	1068	\
815	(var) = 0; \	1069	(var) = 0; \
816	} \	1070	} \
817	else if (sv_derived_from ((arg), # class)) \	1071	else if (sv_derived_from ((arg), # class)) \
818	{ \	1072	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	1073	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	1074	(var) = INT2PTR (type, tmp); \
821	if (!var) \	1075	if (!var && nullok != 2) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	1076	croak (# var " is not a valid " # class " object anymore"); \
823	} \	1077	} \
824	else \	1078	else \
825	Perl_croak (# var " is not of type " # class); \	1079	croak (# var " is not of type " # class);
826	\	1080
		1081	#define ARG_MUTABLE(name) \
		1082	if (SvREADONLY (name)) \
		1083	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
827		1084
828	static void	1085	static void
829	ptr_nuke (SV *sv)	1086	ptr_nuke (SV *sv)
830	{	1087	{
831	assert (SvROK (sv));	1088	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	1089	sv_setiv (SvRV (sv), 0);
833	}	1090	}
		1091
		1092	static int
		1093	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1094	{
		1095	if (*mg->mg_ptr == '!') // should always be the case
		1096	if (-30999 <= errno && errno <= -30800)
		1097	{
		1098	sv_setnv (sv, (NV)errno);
		1099	sv_setpv (sv, db_strerror (errno));
		1100	SvNOK_on (sv); /* what a wonderful hack! */
		1101	// ^^^ copied from perl sources
		1102	return 0;
		1103	}
		1104
		1105	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1106	}
		1107
		1108	static MGVTBL vtbl_errno;
		1109
		1110	// this wonderful hack :( patches perl's $! variable to support our errno values
		1111	static void
		1112	patch_errno (void)
		1113	{
		1114	SV *sv;
		1115	MAGIC *mg;
		1116
		1117	if (!(sv = get_sv ("!", 1)))
		1118	return;
		1119
		1120	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1121	return;
		1122
		1123	if (mg->mg_virtual != &PL_vtbl_sv)
		1124	return;
		1125
		1126	vtbl_errno = PL_vtbl_sv;
		1127	vtbl_errno.svt_get = errno_get;
		1128	mg->mg_virtual = &vtbl_errno;
		1129	}
		1130
		1131	#if __GNUC__ >= 4
		1132	# define noinline __attribute__ ((noinline))
		1133	#else
		1134	# define noinline
		1135	#endif
		1136
		1137	static noinline SV *
		1138	pop_callback (I32 *ritems, SV *sv)
		1139	{
		1140	if (SvROK (sv))
		1141	{
		1142	HV *st;
		1143	GV *gvp;
		1144	CV *cv;
		1145	const char *name;
		1146
		1147	/* forgive me */
		1148	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1149	&& (st = SvSTASH (SvRV (sv)))
		1150	&& (name = HvNAME_get (st))
		1151	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1152	return 0;
		1153
		1154	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1155	{
		1156	--*ritems;
		1157	return (SV *)cv;
		1158	}
		1159	}
		1160
		1161	return 0;
		1162	}
		1163
		1164	/*****************************************************************************/
		1165
		1166	#if 0
		1167	static int
		1168	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1169	{
		1170	ssize_t size1 = dbt1->size;
		1171	ssize_t size2 = dbt2->size;
		1172	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1173	size1 <= size2 ? size1 : size2);
		1174
		1175	if (res)
		1176	return res;
		1177	else if (size1 - size2)
		1178	return size1 - size2;
		1179	else
		1180	return 0;
		1181	}
		1182
		1183	static size_t
		1184	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1185	{
		1186	ssize_t size1 = dbt1->size;
		1187	ssize_t size2 = dbt2->size;
		1188	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1189	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1190	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1191
		1192	while (p1 < pe)
		1193	if (*p1++ != *p2++)
		1194	return p1 - (u_int8_t *)dbt1->data - 1;
		1195
		1196	if (size1 < size2) return size1 + 1;
		1197	if (size1 > size2) return size2 + 1;
		1198
		1199	return size1;
		1200	}
		1201	#endif
		1202
		1203	/*****************************************************************************/
		1204
		1205	/* stupid windows defines CALLBACK as well */
		1206	#undef CALLBACK
		1207	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
834		1208
835	MODULE = BDB PACKAGE = BDB	1209	MODULE = BDB PACKAGE = BDB
836		1210
837	PROTOTYPES: ENABLE	1211	PROTOTYPES: ENABLE
838		1212
…		…
854	const_iv (INIT_TXN)	1228	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1229	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1230	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1231	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1232	const_iv (CREATE)
		1233	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1234	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1235	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1236	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1237	const_iv (PRIVATE)
863	const_iv (REGISTER)
864	const_iv (SYSTEM_MEM)	1238	const_iv (SYSTEM_MEM)
865	const_iv (AUTO_COMMIT)	1239	const_iv (AUTO_COMMIT)
866	const_iv (CDB_ALLDB)	1240	const_iv (CDB_ALLDB)
867	const_iv (DIRECT_DB)	1241	const_iv (DIRECT_DB)
868	const_iv (DIRECT_LOG)
869	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1242	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1243	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1244	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1245	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1246	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1247	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1248	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1249	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1250	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1251	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1252	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1253	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1254	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1255	const_iv (XA_CREATE)
…		…
889	const_iv (HASH)	1257	const_iv (HASH)
890	const_iv (QUEUE)	1258	const_iv (QUEUE)
891	const_iv (RECNO)	1259	const_iv (RECNO)
892	const_iv (UNKNOWN)	1260	const_iv (UNKNOWN)
893	const_iv (EXCL)	1261	const_iv (EXCL)
894	const_iv (READ_COMMITTED)
895	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1262	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1263	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1264	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1265	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1266	const_iv (DUP)
902	const_iv (DUPSORT)	1267	const_iv (DUPSORT)
903	const_iv (RECNUM)	1268	//const_iv (RECNUM)
904	const_iv (RENUMBER)	1269	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1270	const_iv (REVSPLITOFF)
906	const_iv (INORDER)
907	const_iv (CONSUME)	1271	const_iv (CONSUME)
908	const_iv (CONSUME_WAIT)	1272	const_iv (CONSUME_WAIT)
909	const_iv (GET_BOTH)	1273	const_iv (GET_BOTH)
910	const_iv (GET_BOTH_RANGE)	1274	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1275	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1276	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1277	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1278	const_iv (JOIN_ITEM)
		1279	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1280	const_iv (RMW)
916		1281
917	const_iv (NOTFOUND)	1282	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1283	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1284	const_iv (LOCK_DEADLOCK)
920	const_iv (LOCK_NOTGRANTED)	1285	const_iv (LOCK_NOTGRANTED)
921	const_iv (RUNRECOVERY)	1286	const_iv (RUNRECOVERY)
922	const_iv (OLD_VERSION)	1287	const_iv (OLD_VERSION)
923	const_iv (REP_HANDLE_DEAD)	1288	const_iv (REP_HANDLE_DEAD)
924	const_iv (REP_LOCKOUT)
925	const_iv (SECONDARY_BAD)	1289	const_iv (SECONDARY_BAD)
926
927	const_iv (FREE_SPACE)
928	const_iv (FREELIST_ONLY)
929		1290
930	const_iv (APPEND)	1291	const_iv (APPEND)
931	const_iv (NODUPDATA)	1292	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1293	const_iv (NOOVERWRITE)
933		1294
934	const_iv (TXN_NOWAIT)	1295	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1296	const_iv (TXN_SYNC)
937		1297
938	const_iv (SET_LOCK_TIMEOUT)	1298	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1299	const_iv (SET_TXN_TIMEOUT)
940		1300
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1301	const_iv (FIRST)
943	const_iv (NEXT)	1302	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1303	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1304	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1305	const_iv (PREV)
…		…
952	const_iv (AFTER)	1311	const_iv (AFTER)
953	const_iv (CURRENT)	1312	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1313	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1314	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1315	const_iv (NODUPDATA)
		1316
		1317	const_iv (FORCE)
		1318
		1319	const_iv (LOCK_DEFAULT)
		1320	const_iv (LOCK_EXPIRE)
		1321	const_iv (LOCK_MAXLOCKS)
		1322	const_iv (LOCK_MINLOCKS)
		1323	const_iv (LOCK_MINWRITE)
		1324	const_iv (LOCK_OLDEST)
		1325	const_iv (LOCK_RANDOM)
		1326	const_iv (LOCK_YOUNGEST)
		1327
		1328	const_iv (DONOTINDEX)
		1329	const_iv (KEYEMPTY )
		1330	const_iv (KEYEXIST )
		1331	const_iv (LOCK_DEADLOCK)
		1332	const_iv (LOCK_NOTGRANTED)
		1333	const_iv (NOSERVER)
		1334	const_iv (NOSERVER_HOME)
		1335	const_iv (NOSERVER_ID)
		1336	const_iv (NOTFOUND)
		1337	const_iv (PAGE_NOTFOUND)
		1338	const_iv (REP_DUPMASTER)
		1339	const_iv (REP_HANDLE_DEAD)
		1340	const_iv (REP_HOLDELECTION)
		1341	const_iv (REP_ISPERM)
		1342	const_iv (REP_NEWMASTER)
		1343	const_iv (REP_NEWSITE)
		1344	const_iv (REP_NOTPERM)
		1345	const_iv (REP_UNAVAIL)
		1346	const_iv (RUNRECOVERY)
		1347	const_iv (SECONDARY_BAD)
		1348	const_iv (VERIFY_BAD)
		1349
		1350	const_iv (SALVAGE)
		1351	const_iv (AGGRESSIVE)
		1352	const_iv (PRINTABLE)
		1353	const_iv (NOORDERCHK)
		1354	const_iv (ORDERCHKONLY)
		1355
		1356	const_iv (ARCH_ABS)
		1357	const_iv (ARCH_DATA)
		1358	const_iv (ARCH_LOG)
		1359	const_iv (ARCH_REMOVE)
		1360
		1361	const_iv (VERB_DEADLOCK)
		1362	const_iv (VERB_RECOVERY)
		1363	const_iv (VERB_REPLICATION)
		1364	const_iv (VERB_WAITSFOR)
		1365
		1366	const_iv (VERSION_MAJOR)
		1367	const_iv (VERSION_MINOR)
		1368	const_iv (VERSION_PATCH)
		1369	#if DB_VERSION_MINOR >= 3
		1370	const_iv (INORDER)
		1371	const_iv (LOCK_MAXWRITE)
		1372	const_iv (SEQ_DEC)
		1373	const_iv (SEQ_INC)
		1374	const_iv (SEQ_WRAP)
		1375	const_iv (BUFFER_SMALL)
		1376	const_iv (LOG_BUFFER_FULL)
		1377	const_iv (VERSION_MISMATCH)
		1378	#endif
		1379	#if DB_VERSION_MINOR >= 4
		1380	const_iv (REGISTER)
		1381	const_iv (DSYNC_DB)
		1382	const_iv (READ_COMMITTED)
		1383	const_iv (READ_UNCOMMITTED)
		1384	const_iv (REP_IGNORE)
		1385	const_iv (REP_LOCKOUT)
		1386	const_iv (REP_JOIN_FAILURE)
		1387	const_iv (FREE_SPACE)
		1388	const_iv (FREELIST_ONLY)
		1389	const_iv (VERB_REGISTER)
		1390	#endif
		1391	#if DB_VERSION_MINOR >= 5
		1392	const_iv (MULTIVERSION)
		1393	const_iv (TXN_SNAPSHOT)
		1394	#endif
		1395	#if DB_VERSION_MINOR >= 6
		1396	const_iv (PREV_DUP)
		1397	const_iv (PRIORITY_UNCHANGED)
		1398	const_iv (PRIORITY_VERY_LOW)
		1399	const_iv (PRIORITY_LOW)
		1400	const_iv (PRIORITY_DEFAULT)
		1401	const_iv (PRIORITY_HIGH)
		1402	const_iv (PRIORITY_VERY_HIGH)
		1403	const_iv (IGNORE_LEASE)
		1404	#endif
		1405	#if DB_VERSION_MINOR >= 7
		1406	//const_iv (MULTIPLE_KEY)
		1407	const_iv (LOG_DIRECT)
		1408	const_iv (LOG_DSYNC)
		1409	const_iv (LOG_AUTO_REMOVE)
		1410	const_iv (LOG_IN_MEMORY)
		1411	const_iv (LOG_ZERO)
		1412	#else
		1413	const_iv (DIRECT_LOG)
		1414	const_iv (LOG_AUTOREMOVE)
		1415	# if DB_VERSION_MINOR >= 3
		1416	const_iv (DSYNC_LOG)
		1417	const_iv (LOG_INMEMORY)
		1418	# endif
		1419	#endif
957	};	1420	};
958		1421
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1422	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1423	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1424
962	create_pipe ();	1425	prepare_cb = &PL_sv_undef;
		1426
		1427	{
		1428	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1429	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1430
		1431	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1432	}
		1433
		1434	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1435
		1436	create_respipe ();
		1437
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1438	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1439	patch_errno ();
964	}	1440	}
965		1441
966	void	1442	void
967	max_poll_reqs (int nreqs)	1443	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1444	PROTOTYPE: $
…		…
1087		1563
1088	int	1564	int
1089	nthreads ()	1565	nthreads ()
1090	PROTOTYPE:	1566	PROTOTYPE:
1091	CODE:	1567	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1568	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1569	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1570	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1571	OUTPUT:
1096	RETVAL	1572	RETVAL
1097		1573
1098	void	1574	SV *
1099	set_sync_prepare (SV *cb)	1575	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1576	PROTOTYPE: &
1101	CODE:	1577	CODE:
1102	SvREFCNT_dec (prepare_cb);	1578	RETVAL = prepare_cb;
1103	prepare_cb = newSVsv (cb);	1579	prepare_cb = newSVsv (cb);
		1580	OUTPUT:
		1581	RETVAL
		1582
		1583	char *
		1584	strerror (int errorno = errno)
		1585	PROTOTYPE: ;$
		1586	CODE:
		1587	RETVAL = db_strerror (errorno);
		1588	OUTPUT:
		1589	RETVAL
		1590
		1591	void _on_next_submit (SV *cb)
		1592	CODE:
		1593	SvREFCNT_dec (on_next_submit);
		1594	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1104		1595
1105	DB_ENV *	1596	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1597	db_env_create (U32 env_flags = 0)
1107	CODE:	1598	CODE:
1108	{	1599	{
1109	errno = db_env_create (&RETVAL, env_flags);	1600	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1601	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1602	croak ("db_env_create: %s", db_strerror (errno));
		1603
		1604	if (0)
		1605	{
		1606	RETVAL->set_errcall (RETVAL, debug_errcall);
		1607	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1608	}
1112	}	1609	}
1113	OUTPUT:	1610	OUTPUT:
1114	RETVAL	1611	RETVAL
1115		1612
1116	void	1613	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1614	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
1118	CODE:	1617	CODE:
1119	{	1618	{
1120	dREQ (REQ_ENV_OPEN);	1619	dREQ (REQ_ENV_OPEN, 1);
1121	req->env = env;	1620	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1621	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1622	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1623	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1624	REQ_SEND;
1126	}	1625	}
1127		1626
1128	void	1627	void
1129	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1628	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1629	PREINIT:
		1630	CALLBACK
1130	CODE:	1631	CODE:
1131	{	1632	{
1132	dREQ (REQ_ENV_CLOSE);	1633	dREQ (REQ_ENV_CLOSE, 0);
		1634	ptr_nuke (ST (0));
1133	req->env = env;	1635	req->env = env;
1134	req->uint1 = flags;	1636	req->uint1 = flags;
1135	REQ_SEND;	1637	REQ_SEND;
1136	ptr_nuke (ST (0));	1638	}
		1639
		1640	void
		1641	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1642	PREINIT:
		1643	CALLBACK
		1644	CODE:
		1645	{
		1646	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1647	req->env = env;
		1648	req->uint1 = kbyte;
		1649	req->int1 = min;
		1650	req->uint2 = flags;
		1651	REQ_SEND;
		1652	}
		1653
		1654	void
		1655	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1656	PREINIT:
		1657	CALLBACK
		1658	CODE:
		1659	{
		1660	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1661	req->env = env;
		1662	req->uint1 = flags;
		1663	req->uint2 = atype;
		1664	/* req->int2 = 0; dummy */
		1665	REQ_SEND;
		1666	}
		1667
		1668	void
		1669	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1670	PREINIT:
		1671	CALLBACK
		1672	CODE:
		1673	{
		1674	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1675	req->env = env;
		1676	REQ_SEND;
		1677	}
		1678
		1679	void
		1680	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1681	PREINIT:
		1682	CALLBACK
		1683	CODE:
		1684	{
		1685	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1686	req->env = env;
		1687	req->int1 = percent;
		1688	REQ_SEND;
		1689	}
		1690
		1691	void
		1692	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
		1695	CODE:
		1696	{
		1697	dREQ (REQ_ENV_DBREMOVE, 2);
		1698	req->env = env;
		1699	req->buf1 = strdup_ornull (file);
		1700	req->buf2 = strdup_ornull (database);
		1701	req->uint1 = flags;
		1702	REQ_SEND;
		1703	}
		1704
		1705	void
		1706	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)
		1707	PREINIT:
		1708	CALLBACK
		1709	CODE:
		1710	{
		1711	dREQ (REQ_ENV_DBRENAME, 2);
		1712	req->env = env;
		1713	req->buf1 = strdup_ornull (file);
		1714	req->buf2 = strdup_ornull (database);
		1715	req->buf3 = strdup_ornull (newname);
		1716	req->uint1 = flags;
		1717	REQ_SEND;
		1718	}
		1719
		1720	void
		1721	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1722	PREINIT:
		1723	CALLBACK
		1724	CODE:
		1725	{
		1726	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1727	req->sv1 = SvREFCNT_inc (listp);
		1728	req->env = env;
		1729	req->uint1 = flags;
		1730	REQ_SEND;
1137	}	1731	}
1138		1732
1139	DB *	1733	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1734	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1735	CODE:
…		…
1149	}	1743	}
1150	OUTPUT:	1744	OUTPUT:
1151	RETVAL	1745	RETVAL
1152		1746
1153	void	1747	void
1154	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1748	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1749	PREINIT:
		1750	CALLBACK
1155	CODE:	1751	CODE:
1156	{	1752	{
1157	dREQ (REQ_DB_OPEN);	1753	dREQ (REQ_DB_OPEN, 2);
1158	req->db = db;	1754	req->db = db;
1159	req->txn = txnid;	1755	req->txn = txnid;
1160	req->buf1 = strdup_ornull (file);	1756	req->buf1 = strdup_ornull (file);
1161	req->buf2 = strdup_ornull (database);	1757	req->buf2 = strdup_ornull (database);
1162	req->int1 = type;	1758	req->int1 = type;
…		…
1164	req->int2 = mode;	1760	req->int2 = mode;
1165	REQ_SEND;	1761	REQ_SEND;
1166	}	1762	}
1167		1763
1168	void	1764	void
1169	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1765	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1766	PREINIT:
		1767	CALLBACK
1170	CODE:	1768	CODE:
1171	{	1769	{
1172	dREQ (REQ_DB_CLOSE);	1770	dREQ (REQ_DB_CLOSE, 0);
		1771	ptr_nuke (ST (0));
1173	req->db = db;	1772	req->db = db;
1174	req->uint1 = flags;	1773	req->uint1 = flags;
1175	req->sv1 = (SV *)db->app_private;	1774	req->sv1 = (SV *)db->app_private;
1176	REQ_SEND;	1775	REQ_SEND;
1177	ptr_nuke (ST (0));
1178	}	1776	}
1179		1777
		1778	#if DB_VERSION_MINOR >= 4
		1779
1180	void	1780	void
1181	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)	1781	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)
		1782	PREINIT:
		1783	CALLBACK
1182	CODE:	1784	CODE:
1183	{	1785	{
1184	dREQ (REQ_DB_COMPACT);	1786	dREQ (REQ_DB_COMPACT, 2);
1185	req->db = db;	1787	req->db = db;
1186	req->txn = txn;	1788	req->txn = txn;
1187	sv_to_dbt (&req->dbt1, start);	1789	if (start) sv_to_dbt (&req->dbt1, start);
1188	sv_to_dbt (&req->dbt2, stop);	1790	if (stop ) sv_to_dbt (&req->dbt2, stop );
1189	req->uint1 = flags;	1791	req->uint1 = flags;
1190	REQ_SEND;	1792	REQ_SEND;
1191	}	1793	}
1192		1794
		1795	#endif
		1796
1193	void	1797	void
1194	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1798	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1799	PREINIT:
		1800	CALLBACK
1195	CODE:	1801	CODE:
1196	{	1802	{
1197	dREQ (REQ_DB_SYNC);	1803	dREQ (REQ_DB_SYNC, 1);
1198	req->db = db;	1804	req->db = db;
1199	req->uint1 = flags;	1805	req->uint1 = flags;
1200	REQ_SEND;	1806	REQ_SEND;
1201	}	1807	}
1202		1808
1203	void	1809	void
		1810	db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
		1811	PREINIT:
		1812	CALLBACK
		1813	CODE:
		1814	{
		1815	dREQ (REQ_DB_VERIFY, 1);
		1816	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1817	req->db = db;
		1818	req->buf1 = strdup (file);
		1819	req->buf2 = strdup_ornull (database);
		1820	req->uint1 = flags;
		1821	REQ_SEND;
		1822	}
		1823
		1824	void
		1825	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1826	PREINIT:
		1827	CALLBACK
		1828	CODE:
		1829	{
		1830	dREQ (REQ_DB_UPGRADE, 1);
		1831	req->db = db;
		1832	req->buf1 = strdup (file);
		1833	req->uint1 = flags;
		1834	REQ_SEND;
		1835	}
		1836
		1837	void
		1838	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1839	PREINIT:
		1840	CALLBACK
		1841	CODE:
		1842	{
		1843	dREQ (REQ_DB_KEY_RANGE, 2);
		1844	req->db = db;
		1845	req->txn = txn;
		1846	sv_to_dbt (&req->dbt1, key);
		1847	req->uint1 = flags;
		1848	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1849	REQ_SEND;
		1850	}
		1851
		1852	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1853	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
1205	CODE:	1856	CODE:
1206	{	1857	{
1207	dREQ (REQ_DB_PUT);	1858	dREQ (REQ_DB_PUT, 2);
1208	req->db = db;	1859	req->db = db;
1209	req->txn = txn;	1860	req->txn = txn;
1210	sv_to_dbt (&req->dbt1, key);	1861	sv_to_dbt (&req->dbt1, key);
1211	sv_to_dbt (&req->dbt2, data);	1862	sv_to_dbt (&req->dbt2, data);
1212	req->uint1 = flags;	1863	req->uint1 = flags;
1213	REQ_SEND;	1864	REQ_SEND;
1214	}	1865	}
1215		1866
		1867	#if DB_VERSION_MINOR >= 6
		1868
1216	void	1869	void
		1870	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1871	PREINIT:
		1872	CALLBACK
		1873	CODE:
		1874	{
		1875	dREQ (REQ_DB_EXISTS, 2);
		1876	req->db = db;
		1877	req->txn = txn;
		1878	req->uint1 = flags;
		1879	sv_to_dbt (&req->dbt1, key);
		1880	REQ_SEND;
		1881	}
		1882
		1883	#endif
		1884
		1885	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1886	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1887	PREINIT:
		1888	CALLBACK
1218	CODE:	1889	CODE:
1219	{	1890	{
		1891	//TODO: key is somtimesmutable
1220	dREQ (REQ_DB_GET);	1892	dREQ (REQ_DB_GET, 2);
1221	req->db = db;	1893	req->db = db;
1222	req->txn = txn;	1894	req->txn = txn;
1223	req->uint1 = flags;	1895	req->uint1 = flags;
1224	sv_to_dbt (&req->dbt1, key);	1896	sv_to_dbt (&req->dbt1, key);
1225	req->dbt3.flags = DB_DBT_MALLOC;	1897	req->dbt3.flags = DB_DBT_MALLOC;
1226	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1898	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1227	REQ_SEND;	1899	REQ_SEND;
1228	}	1900	}
1229		1901
1230	void	1902	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1903	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1904	PREINIT:
		1905	CALLBACK
1232	CODE:	1906	CODE:
1233	{	1907	{
		1908	//TODO: key is somtimesmutable
1234	dREQ (REQ_DB_PGET);	1909	dREQ (REQ_DB_PGET, 2);
		1910	req->db = db;
		1911	req->txn = txn;
		1912	req->uint1 = flags;
		1913
		1914	sv_to_dbt (&req->dbt1, key);
		1915
		1916	req->dbt2.flags = DB_DBT_MALLOC;
		1917	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1918
		1919	req->dbt3.flags = DB_DBT_MALLOC;
		1920	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1921	REQ_SEND;
		1922	}
		1923
		1924	void
		1925	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1926	PREINIT:
		1927	CALLBACK
		1928	CODE:
		1929	{
		1930	dREQ (REQ_DB_DEL, 2);
1235	req->db = db;	1931	req->db = db;
1236	req->txn = txn;	1932	req->txn = txn;
1237	req->uint1 = flags;	1933	req->uint1 = flags;
1238	sv_to_dbt (&req->dbt1, key);	1934	sv_to_dbt (&req->dbt1, key);
1239	sv_to_dbt (&req->dbt2, pkey);
1240	req->dbt3.flags = DB_DBT_MALLOC;
1241	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1242	REQ_SEND;	1935	REQ_SEND;
1243	}	1936	}
1244		1937
1245	void	1938	void
1246	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1939	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1940	PREINIT:
		1941	CALLBACK
1247	CODE:	1942	CODE:
1248	{	1943	{
1249	dREQ (REQ_DB_DEL);	1944	dREQ (REQ_TXN_COMMIT, 0);
1250	req->db = db;	1945	ptr_nuke (ST (0));
1251	req->txn = txn;	1946	req->txn = txn;
1252	req->uint1 = flags;	1947	req->uint1 = flags;
1253	sv_to_dbt (&req->dbt1, key);
1254	REQ_SEND;	1948	REQ_SEND;
1255	}	1949	}
1256		1950
1257	void	1951	void
1258	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1952	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1953	PREINIT:
		1954	CALLBACK
1259	CODE:	1955	CODE:
1260	{	1956	{
1261	dREQ (REQ_TXN_COMMIT);	1957	dREQ (REQ_TXN_ABORT, 0);
		1958	ptr_nuke (ST (0));
		1959	req->txn = txn;
		1960	REQ_SEND;
		1961	}
		1962
		1963	void
		1964	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1965	PREINIT:
		1966	CALLBACK
		1967	CODE:
		1968	{
		1969	dREQ (REQ_TXN_FINISH, 0);
		1970	ptr_nuke (ST (0));
1262	req->txn = txn;	1971	req->txn = txn;
1263	req->uint1 = flags;	1972	req->uint1 = flags;
1264	REQ_SEND;	1973	REQ_SEND;
		1974	}
		1975
		1976	void
		1977	db_c_close (DBC *dbc, SV *callback = 0)
		1978	PREINIT:
		1979	CALLBACK
		1980	CODE:
		1981	{
		1982	dREQ (REQ_C_CLOSE, 0);
1265	ptr_nuke (ST (0));	1983	ptr_nuke (ST (0));
1266	}
1267
1268	void
1269	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1270	CODE:
1271	{
1272	dREQ (REQ_TXN_ABORT);
1273	req->txn = txn;
1274	REQ_SEND;
1275	ptr_nuke (ST (0));
1276	}
1277
1278	void
1279	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1280	CODE:
1281	{
1282	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1984	req->dbc = dbc;
1284	REQ_SEND;	1985	REQ_SEND;
1285	ptr_nuke (ST (0));
1286	}	1986	}
1287		1987
1288	void	1988	void
1289	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1989	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1990	PREINIT:
		1991	CALLBACK
1290	CODE:	1992	CODE:
1291	{	1993	{
1292	dREQ (REQ_C_COUNT);	1994	dREQ (REQ_C_COUNT, 1);
1293	req->dbc = dbc;	1995	req->dbc = dbc;
1294	req->sv1 = SvREFCNT_inc (count);	1996	req->sv1 = SvREFCNT_inc (count);
1295	REQ_SEND;	1997	REQ_SEND;
1296	}	1998	}
1297		1999
1298	void	2000	void
1299	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	2001	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		2002	PREINIT:
		2003	CALLBACK
1300	CODE:	2004	CODE:
1301	{	2005	{
1302	dREQ (REQ_C_PUT);	2006	dREQ (REQ_C_PUT, 1);
1303	req->dbc = dbc;	2007	req->dbc = dbc;
1304	sv_to_dbt (&req->dbt1, key);	2008	sv_to_dbt (&req->dbt1, key);
1305	sv_to_dbt (&req->dbt2, data);	2009	sv_to_dbt (&req->dbt2, data);
1306	req->uint1 = flags;	2010	req->uint1 = flags;
1307	REQ_SEND;	2011	REQ_SEND;
1308	}	2012	}
1309		2013
1310	void	2014	void
1311	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	2015	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2016	PREINIT:
		2017	CALLBACK
1312	CODE:	2018	CODE:
1313	{	2019	{
		2020	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2021	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2022	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2023	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2024	"key",
		2025	"BDB::db_c_get");
		2026
		2027	{
1314	dREQ (REQ_C_GET);	2028	dREQ (REQ_C_GET, 1);
		2029	req->dbc = dbc;
		2030	req->uint1 = flags;
		2031	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2032	sv_to_dbt (&req->dbt1, key);
		2033	else
		2034	{
		2035	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2036	sv_to_dbt (&req->dbt1, key);
		2037	else
		2038	req->dbt1.flags = DB_DBT_MALLOC;
		2039
		2040	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2041	}
		2042
		2043	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2044	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2045	sv_to_dbt (&req->dbt3, data);
		2046	else
		2047	req->dbt3.flags = DB_DBT_MALLOC;
		2048
		2049	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2050	REQ_SEND;
		2051	}
		2052	}
		2053
		2054	void
		2055	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2056	PREINIT:
		2057	CALLBACK
		2058	CODE:
		2059	{
		2060	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2061	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2062	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2063	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2064	"key",
		2065	"BDB::db_c_pget");
		2066
		2067	{
		2068	dREQ (REQ_C_PGET, 1);
		2069	req->dbc = dbc;
		2070	req->uint1 = flags;
		2071	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2072	sv_to_dbt (&req->dbt1, key);
		2073	else
		2074	{
		2075	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2076	sv_to_dbt (&req->dbt1, key);
		2077	else
		2078	req->dbt1.flags = DB_DBT_MALLOC;
		2079
		2080	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2081	}
		2082
		2083	req->dbt2.flags = DB_DBT_MALLOC;
		2084	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2085
		2086	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2087	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2088	sv_to_dbt (&req->dbt3, data);
		2089	else
		2090	req->dbt3.flags = DB_DBT_MALLOC;
		2091
		2092	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2093	REQ_SEND;
		2094	}
		2095	}
		2096
		2097	void
		2098	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2099	PREINIT:
		2100	CALLBACK
		2101	CODE:
		2102	{
		2103	dREQ (REQ_C_DEL, 1);
1315	req->dbc = dbc;	2104	req->dbc = dbc;
1316	req->uint1 = flags;	2105	req->uint1 = flags;
1317	if ((flags & DB_SET) == DB_SET	2106	REQ_SEND;
1318	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	2107	}
		2108
		2109
		2110	#if DB_VERSION_MINOR >= 3
		2111
		2112	void
		2113	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2114	PREINIT:
		2115	CALLBACK
		2116	CODE:
		2117	{
		2118	dREQ (REQ_SEQ_OPEN, 2);
		2119	req->seq = seq;
		2120	req->txn = txnid;
		2121	req->uint1 = flags | DB_THREAD;
1319	sv_to_dbt (&req->dbt1, key);	2122	sv_to_dbt (&req->dbt1, key);
1320	else
1321	req->dbt1.flags = DB_DBT_MALLOC;
1322
1323	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1324
1325	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1326	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1327	sv_to_dbt (&req->dbt3, data);
1328	else
1329	req->dbt3.flags = DB_DBT_MALLOC;
1330
1331	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1332	REQ_SEND;	2123	REQ_SEND;
1333	}	2124	}
1334		2125
1335	void	2126	void
1336	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	2127	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2128	PREINIT:
		2129	CALLBACK
1337	CODE:	2130	CODE:
1338	{	2131	{
1339	dREQ (REQ_C_PGET);	2132	dREQ (REQ_SEQ_CLOSE, 0);
		2133	ptr_nuke (ST (0));
1340	req->dbc = dbc;	2134	req->seq = seq;
1341	req->uint1 = flags;	2135	req->uint1 = flags;
1342	if ((flags & DB_SET) == DB_SET
1343	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1344	sv_to_dbt (&req->dbt1, key);
1345	else
1346	req->dbt1.flags = DB_DBT_MALLOC;
1347
1348	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1349
1350	req->dbt2.flags = DB_DBT_MALLOC;
1351	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1352
1353	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1354	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1355	sv_to_dbt (&req->dbt3, data);
1356	else
1357	req->dbt3.flags = DB_DBT_MALLOC;
1358
1359	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1360	REQ_SEND;	2136	REQ_SEND;
1361	}	2137	}
1362		2138
1363	void	2139	void
1364	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	2140	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2141	PREINIT:
		2142	CALLBACK
1365	CODE:	2143	CODE:
1366	{	2144	{
1367	dREQ (REQ_C_DEL);	2145	dREQ (REQ_SEQ_GET, 2);
1368	req->dbc = dbc;	2146	req->seq = seq;
		2147	req->txn = txnid;
		2148	req->int1 = delta;
1369	req->uint1 = flags;	2149	req->uint1 = flags;
		2150	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1370	REQ_SEND;	2151	REQ_SEND;
1371	}	2152	}
		2153
		2154	void
		2155	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2156	PREINIT:
		2157	CALLBACK
		2158	CODE:
		2159	{
		2160	dREQ (REQ_SEQ_REMOVE, 2);
		2161	req->seq = seq;
		2162	req->txn = txnid;
		2163	req->uint1 = flags;
		2164	REQ_SEND;
		2165	}
		2166
		2167	#endif
1372		2168
1373		2169
1374	MODULE = BDB PACKAGE = BDB::Env	2170	MODULE = BDB PACKAGE = BDB::Env
1375		2171
1376	void	2172	void
1377	DESTROY (DB_ENV_ornull *env)	2173	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	2174	CODE:
1379	if (env)	2175	if (env)
1380	env->close (env, 0);	2176	env->close (env, 0);
1381		2177
		2178	int set_data_dir (DB_ENV *env, const char *dir)
		2179	CODE:
		2180	RETVAL = env->set_data_dir (env, dir);
		2181	OUTPUT:
		2182	RETVAL
		2183
		2184	int set_tmp_dir (DB_ENV *env, const char *dir)
		2185	CODE:
		2186	RETVAL = env->set_tmp_dir (env, dir);
		2187	OUTPUT:
		2188	RETVAL
		2189
		2190	int set_lg_dir (DB_ENV *env, const char *dir)
		2191	CODE:
		2192	RETVAL = env->set_lg_dir (env, dir);
		2193	OUTPUT:
		2194	RETVAL
		2195
		2196	int set_shm_key (DB_ENV *env, long shm_key)
		2197	CODE:
		2198	RETVAL = env->set_shm_key (env, shm_key);
		2199	OUTPUT:
		2200	RETVAL
		2201
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2202	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	2203	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2204	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	2205	OUTPUT:
1386	RETVAL	2206	RETVAL
1387		2207
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	2208	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	2209	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	2210	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	2211	OUTPUT:
1392	RETVAL	2212	RETVAL
1393		2213
		2214	#if DB_VERSION_MINOR >= 7
		2215
		2216	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2217	CODE:
		2218	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2219	OUTPUT:
		2220	RETVAL
		2221
		2222	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2223	CODE:
		2224	RETVAL = env->log_set_config (env, flags, onoff);
		2225	OUTPUT:
		2226	RETVAL
		2227
		2228	#endif
		2229
		2230
		2231	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2232	CODE:
		2233	env->set_errfile (env, errfile);
		2234
		2235	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2236	CODE:
		2237	env->set_msgfile (env, msgfile);
		2238
		2239	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2240	CODE:
		2241	RETVAL = env->set_verbose (env, which, onoff);
		2242	OUTPUT:
		2243	RETVAL
		2244
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2245	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	2246	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	2247	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	2248	OUTPUT:
1398	RETVAL	2249	RETVAL
1399		2250
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2251	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	2252	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2253	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	2254	OUTPUT:
1404	RETVAL	2255	RETVAL
		2256
		2257	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2258	CODE:
		2259	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2260	OUTPUT:
		2261	RETVAL
		2262
		2263	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2264	CODE:
		2265	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2266	OUTPUT:
		2267	RETVAL
		2268
		2269	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2270	CODE:
		2271	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2272	OUTPUT:
		2273	RETVAL
		2274
		2275	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2276	CODE:
		2277	RETVAL = env->set_lk_detect (env, detect);
		2278	OUTPUT:
		2279	RETVAL
		2280
		2281	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2282	CODE:
		2283	RETVAL = env->set_lk_max_lockers (env, max);
		2284	OUTPUT:
		2285	RETVAL
		2286
		2287	int set_lk_max_locks (DB_ENV *env, U32 max)
		2288	CODE:
		2289	RETVAL = env->set_lk_max_locks (env, max);
		2290	OUTPUT:
		2291	RETVAL
		2292
		2293	int set_lk_max_objects (DB_ENV *env, U32 max)
		2294	CODE:
		2295	RETVAL = env->set_lk_max_objects (env, max);
		2296	OUTPUT:
		2297	RETVAL
		2298
		2299	int set_lg_bsize (DB_ENV *env, U32 max)
		2300	CODE:
		2301	RETVAL = env->set_lg_bsize (env, max);
		2302	OUTPUT:
		2303	RETVAL
		2304
		2305	int set_lg_max (DB_ENV *env, U32 max)
		2306	CODE:
		2307	RETVAL = env->set_lg_max (env, max);
		2308	OUTPUT:
		2309	RETVAL
		2310
		2311	#if DB_VERSION_MINOR >= 4
		2312
		2313	int mutex_set_max (DB_ENV *env, U32 max)
		2314	CODE:
		2315	RETVAL = env->mutex_set_max (env, max);
		2316	OUTPUT:
		2317	RETVAL
		2318
		2319	int mutex_set_increment (DB_ENV *env, U32 increment)
		2320	CODE:
		2321	RETVAL = env->mutex_set_increment (env, increment);
		2322	OUTPUT:
		2323	RETVAL
		2324
		2325	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2326	CODE:
		2327	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2328	OUTPUT:
		2329	RETVAL
		2330
		2331	int mutex_set_align (DB_ENV *env, U32 align)
		2332	CODE:
		2333	RETVAL = env->mutex_set_align (env, align);
		2334	OUTPUT:
		2335	RETVAL
		2336
		2337	#endif
1405		2338
1406	DB_TXN *	2339	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2340	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	2341	CODE:
1409	errno = env->txn_begin (env, parent, &RETVAL, flags);	2342	errno = env->txn_begin (env, parent, &RETVAL, flags);
1410	if (errno)	2343	if (errno)
1411	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2344	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1412	OUTPUT:	2345	OUTPUT:
1413	RETVAL	2346	RETVAL
1414		2347
		2348	#if DB_VERSION_MINOR >= 5
		2349
		2350	DB_TXN *
		2351	cdsgroup_begin (DB_ENV *env)
		2352	CODE:
		2353	errno = env->cdsgroup_begin (env, &RETVAL);
		2354	if (errno)
		2355	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2356	OUTPUT:
		2357	RETVAL
		2358
		2359	#endif
		2360
1415	MODULE = BDB PACKAGE = BDB::Db	2361	MODULE = BDB PACKAGE = BDB::Db
1416		2362
1417	void	2363	void
1418	DESTROY (DB_ornull *db)	2364	DESTROY (DB_ornuked *db)
1419	CODE:	2365	CODE:
1420	if (db)	2366	if (db)
1421	{	2367	{
1422	SV *env = (SV *)db->app_private;	2368	SV *env = (SV *)db->app_private;
1423	db->close (db, 0);	2369	db->close (db, 0);
…		…
1428	CODE:	2374	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2375	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	2376	OUTPUT:
1431	RETVAL	2377	RETVAL
1432		2378
		2379	int set_pagesize (DB *db, U32 pagesize)
		2380	CODE:
		2381	RETVAL = db->set_pagesize (db, pagesize);
		2382	OUTPUT:
		2383	RETVAL
		2384
1433	int set_flags (DB *db, U32 flags);	2385	int set_flags (DB *db, U32 flags)
1434	CODE:	2386	CODE:
1435	RETVAL = db->set_flags (db, flags);	2387	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	2388	OUTPUT:
1437	RETVAL	2389	RETVAL
1438		2390
…		…
1446	CODE:	2398	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	2399	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	2400	OUTPUT:
1449	RETVAL	2401	RETVAL
1450		2402
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	2403	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	2404	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	2405	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	2406	OUTPUT:
1456	RETVAL	2407	RETVAL
1457		2408
1458	int set_re_delim(DB *db, int delim);	2409	int set_re_delim (DB *db, int delim)
1459	CODE:	2410	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	2411	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	2412	OUTPUT:
1462	RETVAL	2413	RETVAL
1463		2414
…		…
1504	if (errno)	2455	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2456	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2457	OUTPUT:
1507	RETVAL	2458	RETVAL
1508		2459
		2460	#if DB_VERSION_MINOR >= 3
		2461
		2462	DB_SEQUENCE *
		2463	sequence (DB *db, U32 flags = 0)
		2464	CODE:
		2465	{
		2466	errno = db_sequence_create (&RETVAL, db, flags);
		2467	if (errno)
		2468	croak ("db_sequence_create: %s", db_strerror (errno));
		2469	}
		2470	OUTPUT:
		2471	RETVAL
		2472
		2473	#endif
		2474
1509		2475
1510	MODULE = BDB PACKAGE = BDB::Txn	2476	MODULE = BDB PACKAGE = BDB::Txn
1511		2477
1512	void	2478	void
1513	DESTROY (DB_TXN_ornull *txn)	2479	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2480	CODE:
1515	if (txn)	2481	if (txn)
1516	txn->abort (txn);	2482	txn->abort (txn);
1517		2483
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2484	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2485	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2486	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2487	OUTPUT:
1522	RETVAL	2488	RETVAL
1523		2489
		2490	int failed (DB_TXN *txn)
		2491	CODE:
		2492	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2493	OUTPUT:
		2494	RETVAL
		2495
1524		2496
1525	MODULE = BDB PACKAGE = BDB::Cursor	2497	MODULE = BDB PACKAGE = BDB::Cursor
1526		2498
1527	void	2499	void
1528	DESTROY (DBC_ornull *dbc)	2500	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2501	CODE:
1530	if (dbc)	2502	if (dbc)
1531	dbc->c_close (dbc);	2503	dbc->c_close (dbc);
1532		2504
		2505	#if DB_VERSION_MINOR >= 6
		2506
		2507	int set_priority (DBC *dbc, int priority)
		2508	CODE:
		2509	dbc->set_priority (dbc, priority);
		2510
		2511	#endif
		2512
		2513	#if DB_VERSION_MINOR >= 3
		2514
		2515	MODULE = BDB PACKAGE = BDB::Sequence
		2516
		2517	void
		2518	DESTROY (DB_SEQUENCE_ornuked *seq)
		2519	CODE:
		2520	if (seq)
		2521	seq->close (seq, 0);
		2522
		2523	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2524	CODE:
		2525	RETVAL = seq->initial_value (seq, value);
		2526	OUTPUT:
		2527	RETVAL
		2528
		2529	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2530	CODE:
		2531	RETVAL = seq->set_cachesize (seq, size);
		2532	OUTPUT:
		2533	RETVAL
		2534
		2535	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2536	CODE:
		2537	RETVAL = seq->set_flags (seq, flags);
		2538	OUTPUT:
		2539	RETVAL
		2540
		2541	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2542	CODE:
		2543	RETVAL = seq->set_range (seq, min, max);
		2544	OUTPUT:
		2545	RETVAL
		2546
		2547	#endif
		2548
		2549

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