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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 1.64 by root, Wed Nov 12 16:52:51 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	42
35	* on have atomic word read/writes.	43	typedef DB_ENV DB_ENV_ornull;
36	*/	44	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	45	typedef DBC DBC_ornull;
38	# if __i386 || __x86_64	46	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	47
40	# else	48	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
		54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	56	#endif
43	#endif
44		57
45	typedef DB_ENV DB_ENV_ornull;	58	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		59
53	static SV *prepare_cb;	60	static SV *prepare_cb;
54		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
55	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 *
56	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
57	{	116	{
58	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
59	}	118	}
60		119
61	static inline void	120	static void
62	sv_to_dbt (DBT *dbt, SV *sv)	121	sv_to_dbt (DBT *dbt, SV *sv)
63	{	122	{
64	STRLEN len;	123	STRLEN len;
65	char *data = SvPVbyte (sv, len);	124	char *data = SvPVbyte (sv, len);
66		125
…		…
68	memcpy (dbt->data, data, len);	127	memcpy (dbt->data, data, len);
69	dbt->size = len;	128	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	129	dbt->flags = DB_DBT_REALLOC;
71	}	130	}
72		131
73	static inline void	132	static void
74	dbt_to_sv (SV *sv, DBT *dbt)	133	dbt_to_sv (SV *sv, DBT *dbt)
75	{	134	{
76	if (sv)	135	if (sv)
77	{	136	{
78	SvREADONLY_off (sv);	137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
79	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
80	SvREFCNT_dec (sv);	144	SvREFCNT_dec (sv);
81	}	145	}
82		146
83	free (dbt->data);	147	free (dbt->data);
84	}	148	}
85		149
86	enum {	150	enum {
87	REQ_QUIT,	151	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	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,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		156	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,	157	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,	158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	160	};
93		161
94	typedef struct aio_cb	162	typedef struct bdb_cb
95	{	163	{
96	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
97	SV *callback;	165	SV *callback;
98	int type, pri, result;	166	int type, pri, result;
99		167
100	DB_ENV *env;	168	DB_ENV *env;
101	DB *db;	169	DB *db;
…		…
103	DBC *dbc;	171	DBC *dbc;
104		172
105	UV uv1;	173	UV uv1;
106	int int1, int2;	174	int int1, int2;
107	U32 uint1, uint2;	175	U32 uint1, uint2;
108	char *buf1, *buf2;	176	char *buf1, *buf2, *buf3;
109	SV *sv1, *sv2, *sv3;	177	SV *sv1, *sv2, *sv3;
110		178
111	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
113		185
		186	SV *rsv1, *rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
114	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
115		190
116	enum {	191	enum {
117	PRI_MIN = -4,	192	PRI_MIN = -4,
118	PRI_MAX = 4,	193	PRI_MAX = 4,
119		194
…		…
122	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
123	};	198	};
124		199
125	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
126		201
		202	static SV *on_next_submit;
		203
127	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
128	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
129		206
130	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
131	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	208	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
136		213
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		215
139	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
140		217
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 */	218	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
152		220
153	typedef struct worker {	221	typedef struct worker {
154	/* locked by wrklock */	222	/* locked by wrklock */
155	struct worker *prev, *next;	223	struct worker *prev, *next;
156		224
157	pthread_t tid;	225	thread_t tid;
158		226
159	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
161	void *dbuf;	229	void *dbuf;
162	DIR *dirp;	230	DIR *dirp;
163	} worker;	231	} worker;
164		232
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	245	}
178		246
179	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		251
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
187		255
188	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
189		257
190	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
191	{	259	{
192	unsigned int retval;	260	unsigned int retval;
193		261
194	LOCK (reqlock);	262	X_LOCK (reqlock);
195	retval = nready;	263	retval = nready;
196	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
197		265
198	return retval;	266	return retval;
199	}	267	}
200		268
201	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
202	{	270	{
203	unsigned int retval;	271	unsigned int retval;
204		272
205	LOCK (reslock);	273	X_LOCK (reslock);
206	retval = npending;	274	retval = npending;
207	UNLOCK (reslock);	275	X_UNLOCK (reslock);
208		276
209	return retval;	277	return retval;
210	}	278	}
211		279
212	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
213	{	281	{
214	unsigned int retval;	282	unsigned int retval;
215		283
216	LOCK (wrklock);	284	X_LOCK (wrklock);
217	retval = started;	285	retval = started;
218	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
219		287
220	return retval;	288	return retval;
221	}	289	}
222		290
223	#else	291	#else
…		…
232	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
235	*/	303	*/
236	typedef struct {	304	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	306	int size;
239	} reqq;	307	} reqq;
240		308
241	static reqq req_queue;	309	static reqq req_queue;
242	static reqq res_queue;	310	static reqq res_queue;
243		311
244	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
245	{	313	{
246	int pri = req->pri;	314	int pri = req->pri;
247	req->next = 0;	315	req->next = 0;
248		316
249	if (q->qe[pri])	317	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
256		324
257	return q->size++;	325	return q->size++;
258	}	326	}
259		327
260	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
261	{	329	{
262	int pri;	330	int pri;
263		331
264	if (!q->size)	332	if (!q->size)
265	return 0;	333	return 0;
266		334
267	--q->size;	335	--q->size;
268		336
269	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
270	{	338	{
271	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
272		340
273	if (req)	341	if (req)
274	{	342	{
275	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
280	}	348	}
281		349
282	abort ();	350	abort ();
283	}	351	}
284		352
285	static int poll_cb ();	353	static int poll_cb (void);
286	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);
288		355
289	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
290	{	357	{
291	dSP;	358	switch (req->type)
292
293	if (SvOK (req->callback))
294	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	av = (AV *)newRV_noinc ((SV *)av);
		384
		385	SvREADONLY_off (req->sv1);
		386	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		387	SvREFCNT_dec (av);
		388	SvREFCNT_dec (req->sv1);
		389	}
		390	break;
		391
		392	#if DB_VERSION_MINOR >= 3
		393	case REQ_SEQ_GET:
		394	SvREADONLY_off (req->sv1);
		395
		396	if (sizeof (IV) > 4)
		397	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		398	else
		399	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		400
		401	SvREFCNT_dec (req->sv1);
		402	break;
		403	#endif
		404
		405	case REQ_ENV_LOG_ARCHIVE:
		406	{
		407	AV *av = newAV ();
		408	char **listp = (char **)req->buf1;
		409
		410	if (listp)
		411	while (*listp)
		412	av_push (av, newSVpv (*listp, 0)), ++listp;
		413
		414	av = (AV *)newRV_noinc ((SV *)av);
		415
		416	SvREADONLY_off (req->sv1);
		417	sv_setsv_mg (req->sv1, (SV *)av);
		418	SvREFCNT_dec (av);
		419	SvREFCNT_dec (req->sv1);
		420	}
		421	break;
		422	}
		423
		424	errno = req->result;
		425
		426	if (req->callback)
		427	{
		428	dSP;
		429
295	ENTER;	430	ENTER;
296	SAVETMPS;	431	SAVETMPS;
297	PUSHMARK (SP);	432	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		433
321	PUTBACK;	434	PUTBACK;
322	call_sv (req->callback, G_VOID | G_EVAL);	435	call_sv (req->callback, G_VOID | G_EVAL);
323	SPAGAIN;	436	SPAGAIN;
324		437
325	FREETMPS;	438	FREETMPS;
326	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
327	}	442	}
328		443
329	return !SvTRUE (ERRSV);	444	return 1;
330	}	445	}
331		446
332	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
333	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
334	free (req->buf1);	454	free (req->buf1);
335	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
336	Safefree (req);	458	Safefree (req);
337	}	459	}
338		460
339	static void *aio_proc (void *arg);	461	#ifdef USE_SOCKETS_AS_HANDLES
		462	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		463	#else
		464	# define TO_SOCKET(x) (x)
		465	#endif
		466
		467	static void
		468	create_respipe (void)
		469	{
		470	#ifdef _WIN32
		471	int arg; /* argg */
		472	#endif
		473	int old_readfd = respipe [0];
		474
		475	if (respipe [1] >= 0)
		476	respipe_close (TO_SOCKET (respipe [1]));
		477
		478	#ifdef _WIN32
		479	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		480	#else
		481	if (pipe (respipe))
		482	#endif
		483	croak ("unable to initialize result pipe");
		484
		485	if (old_readfd >= 0)
		486	{
		487	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		488	croak ("unable to initialize result pipe(2)");
		489
		490	respipe_close (respipe [0]);
		491	respipe [0] = old_readfd;
		492	}
		493
		494	#ifdef _WIN32
		495	arg = 1;
		496	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		497	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		498	#else
		499	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		500	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		501	#endif
		502	croak ("unable to initialize result pipe(3)");
		503
		504	respipe_osf [0] = TO_SOCKET (respipe [0]);
		505	respipe_osf [1] = TO_SOCKET (respipe [1]);
		506	}
		507
		508	static void bdb_request (bdb_req req);
		509	X_THREAD_PROC (bdb_proc);
340		510
341	static void start_thread (void)	511	static void start_thread (void)
342	{	512	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	513	worker *wrk = calloc (1, sizeof (worker));
347		514
348	if (!wrk)	515	if (!wrk)
349	croak ("unable to allocate worker thread data");	516	croak ("unable to allocate worker thread data");
350		517
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);	518	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	519	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	520	{
364	wrk->prev = &wrk_first;	521	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	522	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	523	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	524	wrk_first.next = wrk;
368	++started;	525	++started;
369	}	526	}
370	else	527	else
371	free (wrk);	528	free (wrk);
372		529
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	530	X_UNLOCK (wrklock);
375	}	531	}
376		532
377	static void maybe_start_thread ()	533	static void maybe_start_thread (void)
378	{	534	{
379	if (get_nthreads () >= wanted)	535	if (get_nthreads () >= wanted)
380	return;	536	return;
381		537
382	/* todo: maybe use idle here, but might be less exact */	538	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	540	return;
385		541
386	start_thread ();	542	start_thread ();
387	}	543	}
388		544
389	static void req_send (aio_req req)	545	static void req_send (bdb_req req)
390	{	546	{
391	SV *wait_callback = 0;	547	SV *wait_callback = 0;
392		548
393	// synthesize callback if none given	549	if (on_next_submit)
394	if (!SvOK (req->callback))
395	{	550	{
396	dSP;	551	dSP;
		552	SV *cb = sv_2mortal (on_next_submit);
		553
		554	on_next_submit = 0;
		555
397	PUSHMARK (SP);	556	PUSHMARK (SP);
398	PUTBACK;	557	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	558	call_sv (cb, G_DISCARD | G_EVAL);
400	SPAGAIN;	559	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	}	560	}
409		561
		562	// synthesize callback if none given
		563	if (!req->callback)
		564	{
		565	if (SvOK (prepare_cb))
		566	{
		567	int count;
		568
		569	dSP;
		570	PUSHMARK (SP);
		571	PUTBACK;
		572	count = call_sv (prepare_cb, G_ARRAY);
		573	SPAGAIN;
		574
		575	if (count != 2)
		576	croak ("sync prepare callback must return exactly two values\n");
		577
		578	wait_callback = POPs;
		579	req->callback = SvREFCNT_inc (POPs);
		580	}
		581	else
		582	{
		583	// execute request synchronously
		584	bdb_request (req);
		585	req_invoke (req);
		586	req_free (req);
		587	return;
		588	}
		589	}
		590
410	++nreqs;	591	++nreqs;
411		592
412	LOCK (reqlock);	593	X_LOCK (reqlock);
413	++nready;	594	++nready;
414	reqq_push (&req_queue, req);	595	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	596	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	597	X_UNLOCK (reqlock);
417		598
418	maybe_start_thread ();	599	maybe_start_thread ();
419		600
420	if (wait_callback)	601	if (wait_callback)
421	{	602	{
422	dSP;	603	dSP;
423	PUSHMARK (SP);	604	PUSHMARK (SP);
424	PUTBACK;	605	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	606	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	607	}
428	}	608	}
429		609
430	static void end_thread (void)	610	static void end_thread (void)
431	{	611	{
432	aio_req req;	612	bdb_req req = calloc (1, sizeof (bdb_cb));
433
434	Newz (0, req, 1, aio_cb);
435		613
436	req->type = REQ_QUIT;	614	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	615	req->pri = PRI_MAX + PRI_BIAS;
438		616
439	LOCK (reqlock);	617	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	618	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	619	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	620	X_UNLOCK (reqlock);
443		621
444	LOCK (wrklock);	622	X_LOCK (wrklock);
445	--started;	623	--started;
446	UNLOCK (wrklock);	624	X_UNLOCK (wrklock);
447	}	625	}
448		626
449	static void set_max_idle (int nthreads)	627	static void set_max_idle (int nthreads)
450	{	628	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	629	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	630	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	631	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	632	}
455		633
456	static void min_parallel (int nthreads)	634	static void min_parallel (int nthreads)
457	{	635	{
458	if (wanted < nthreads)	636	if (wanted < nthreads)
…		…
466		644
467	while (started > wanted)	645	while (started > wanted)
468	end_thread ();	646	end_thread ();
469	}	647	}
470		648
471	static void poll_wait ()	649	static void poll_wait (void)
472	{	650	{
473	fd_set rfd;	651	fd_set rfd;
474		652
475	while (nreqs)	653	while (nreqs)
476	{	654	{
477	int size;	655	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	656	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	657	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	658	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		659
482	if (size)	660	if (size)
483	return;	661	return;
484		662
485	maybe_start_thread ();	663	maybe_start_thread ();
486		664
487	FD_ZERO(&rfd);	665	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	666	FD_SET (respipe [0], &rfd);
489		667
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	668	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	669	}
492	}	670	}
493		671
494	static int poll_cb ()	672	static int poll_cb (void)
495	{	673	{
496	dSP;	674	dSP;
497	int count = 0;	675	int count = 0;
498	int maxreqs = max_poll_reqs;	676	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	677	int do_croak = 0;
500	struct timeval tv_start, tv_now;	678	struct timeval tv_start, tv_now;
501	aio_req req;	679	bdb_req req;
502		680
503	if (max_poll_time)	681	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	682	gettimeofday (&tv_start, 0);
505		683
506	for (;;)	684	for (;;)
507	{	685	{
508	for (;;)	686	for (;;)
509	{	687	{
510	maybe_start_thread ();	688	maybe_start_thread ();
511		689
512	LOCK (reslock);	690	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	691	req = reqq_shift (&res_queue);
514		692
515	if (req)	693	if (req)
516	{	694	{
517	--npending;	695	--npending;
518		696
519	if (!res_queue.size)	697	if (!res_queue.size)
520	{	698	{
521	/* read any signals sent by the worker threads */	699	/* read any signals sent by the worker threads */
522	char buf [4];	700	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	701	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	702	;
525	}	703	}
526	}	704	}
527		705
528	UNLOCK (reslock);	706	X_UNLOCK (reslock);
529		707
530	if (!req)	708	if (!req)
531	break;	709	break;
532		710
533	--nreqs;	711	--nreqs;
…		…
563	}	741	}
564		742
565	return count;	743	return count;
566	}	744	}
567		745
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	/*****************************************************************************/	746	/*****************************************************************************/
581		747
582	static void *aio_proc (void *thr_arg)	748	static void
		749	bdb_request (bdb_req req)
583	{	750	{
		751	switch (req->type)
		752	{
		753	case REQ_ENV_OPEN:
		754	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		755	break;
		756
		757	case REQ_ENV_CLOSE:
		758	req->result = req->env->close (req->env, req->uint1);
		759	break;
		760
		761	case REQ_ENV_TXN_CHECKPOINT:
		762	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		763	break;
		764
		765	case REQ_ENV_LOCK_DETECT:
		766	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		767	break;
		768
		769	case REQ_ENV_MEMP_SYNC:
		770	req->result = req->env->memp_sync (req->env, 0);
		771	break;
		772
		773	case REQ_ENV_MEMP_TRICKLE:
		774	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		775	break;
		776
		777	case REQ_ENV_DBREMOVE:
		778	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		779	break;
		780
		781	case REQ_ENV_DBRENAME:
		782	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		783	break;
		784
		785	case REQ_DB_OPEN:
		786	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		787	break;
		788
		789	case REQ_DB_CLOSE:
		790	req->result = req->db->close (req->db, req->uint1);
		791	break;
		792
		793	#if DB_VERSION_MINOR >= 4
		794	case REQ_DB_COMPACT:
		795	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);
		796	break;
		797	#endif
		798
		799	case REQ_DB_SYNC:
		800	req->result = req->db->sync (req->db, req->uint1);
		801	break;
		802
		803	case REQ_DB_UPGRADE:
		804	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		805	break;
		806
		807	case REQ_DB_PUT:
		808	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		809	break;
		810
		811	#if DB_VERSION_MINOR >= 6
		812	case REQ_DB_EXISTS:
		813	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		814	break;
		815	#endif
		816	case REQ_DB_GET:
		817	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		818	break;
		819
		820	case REQ_DB_PGET:
		821	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		822	break;
		823
		824	case REQ_DB_DEL:
		825	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		826	break;
		827
		828	case REQ_DB_KEY_RANGE:
		829	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		830	break;
		831
		832	case REQ_TXN_COMMIT:
		833	req->result = req->txn->commit (req->txn, req->uint1);
		834	break;
		835
		836	case REQ_TXN_ABORT:
		837	req->result = req->txn->abort (req->txn);
		838	break;
		839
		840	case REQ_TXN_FINISH:
		841	if (req->txn->flags & TXN_DEADLOCK)
		842	{
		843	req->result = req->txn->abort (req->txn);
		844	if (!req->result)
		845	req->result = DB_LOCK_DEADLOCK;
		846	}
		847	else
		848	req->result = req->txn->commit (req->txn, req->uint1);
		849	break;
		850
		851	case REQ_C_CLOSE:
		852	req->result = req->dbc->c_close (req->dbc);
		853	break;
		854
		855	case REQ_C_COUNT:
		856	{
		857	db_recno_t recno;
		858	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		859	req->uv1 = recno;
		860	}
		861	break;
		862
		863	case REQ_C_PUT:
		864	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		865	break;
		866
		867	case REQ_C_GET:
		868	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		869	break;
		870
		871	case REQ_C_PGET:
		872	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		873	break;
		874
		875	case REQ_C_DEL:
		876	req->result = req->dbc->c_del (req->dbc, req->uint1);
		877	break;
		878
		879	#if DB_VERSION_MINOR >= 3
		880	case REQ_SEQ_OPEN:
		881	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		882	break;
		883
		884	case REQ_SEQ_CLOSE:
		885	req->result = req->seq->close (req->seq, req->uint1);
		886	break;
		887
		888	case REQ_SEQ_GET:
		889	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		890	break;
		891
		892	case REQ_SEQ_REMOVE:
		893	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		894	break;
		895	#endif
		896
		897	case REQ_ENV_LOG_ARCHIVE:
		898	{
		899	char **listp = 0; /* DB_ARCH_REMOVE does not touch listp, contrary to docs */
		900	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		901	req->buf1 = (char *)listp;
		902	}
		903	break;
		904
		905	default:
		906	req->result = ENOSYS;
		907	break;
		908	}
		909
		910	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		911	req->txn->flags |= TXN_DEADLOCK;
		912	}
		913
		914	X_THREAD_PROC (bdb_proc)
		915	{
584	aio_req req;	916	bdb_req req;
585	struct timespec ts;	917	struct timespec ts;
586	worker *self = (worker *)thr_arg;	918	worker *self = (worker *)thr_arg;
587		919
588	/* try to distribute timeouts somewhat evenly */	920	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	921	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		922
592	for (;;)	923	for (;;)
593	{	924	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	925	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		926
596	LOCK (reqlock);	927	X_LOCK (reqlock);
597		928
598	for (;;)	929	for (;;)
599	{	930	{
600	self->req = req = reqq_shift (&req_queue);	931	self->req = req = reqq_shift (&req_queue);
601		932
602	if (req)	933	if (req)
603	break;	934	break;
604		935
605	++idle;	936	++idle;
606		937
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	938	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	939	== ETIMEDOUT)
609	{	940	{
610	if (idle > max_idle)	941	if (idle > max_idle)
611	{	942	{
612	--idle;	943	--idle;
613	UNLOCK (reqlock);	944	X_UNLOCK (reqlock);
614	LOCK (wrklock);	945	X_LOCK (wrklock);
615	--started;	946	--started;
616	UNLOCK (wrklock);	947	X_UNLOCK (wrklock);
617	goto quit;	948	goto quit;
618	}	949	}
619		950
620	/* we are allowed to idle, so do so without any timeout */	951	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	952	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	953	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	954	}
624		955
625	--idle;	956	--idle;
626	}	957	}
627		958
628	--nready;	959	--nready;
629		960
630	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
631		962
632	switch (req->type)	963	if (req->type == REQ_QUIT)
633	{	964	{
634	case REQ_QUIT:	965	X_LOCK (reslock);
		966	free (req);
		967	self->req = 0;
		968	X_UNLOCK (reslock);
		969
635	goto quit;	970	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	}	971	}
717		972
		973	bdb_request (req);
		974
718	LOCK (reslock);	975	X_LOCK (reslock);
719		976
720	++npending;	977	++npending;
721		978
722	if (!reqq_push (&res_queue, req))	979	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	980	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	981	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		982
726	self->req = 0;	983	self->req = 0;
727	worker_clear (self);	984	worker_clear (self);
728		985
729	UNLOCK (reslock);	986	X_UNLOCK (reslock);
730	}	987	}
731		988
732	quit:	989	quit:
733	LOCK (wrklock);	990	X_LOCK (wrklock);
734	worker_free (self);	991	worker_free (self);
735	UNLOCK (wrklock);	992	X_UNLOCK (wrklock);
736		993
737	return 0;	994	return 0;
738	}	995	}
739		996
740	/*****************************************************************************/	997	/*****************************************************************************/
741		998
742	static void atfork_prepare (void)	999	static void atfork_prepare (void)
743	{	1000	{
744	LOCK (wrklock);	1001	X_LOCK (wrklock);
745	LOCK (reqlock);	1002	X_LOCK (reqlock);
746	LOCK (reslock);	1003	X_LOCK (reslock);
747	}	1004	}
748		1005
749	static void atfork_parent (void)	1006	static void atfork_parent (void)
750	{	1007	{
751	UNLOCK (reslock);	1008	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	1009	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	1010	X_UNLOCK (wrklock);
754	}	1011	}
755		1012
756	static void atfork_child (void)	1013	static void atfork_child (void)
757	{	1014	{
758	aio_req prv;	1015	bdb_req prv;
759		1016
760	while (prv = reqq_shift (&req_queue))	1017	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	1018	req_free (prv);
762		1019
763	while (prv = reqq_shift (&res_queue))	1020	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	1035	idle = 0;
779	nreqs = 0;	1036	nreqs = 0;
780	nready = 0;	1037	nready = 0;
781	npending = 0;	1038	npending = 0;
782		1039
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	1040	create_respipe ();
786		1041
787	atfork_parent ();	1042	atfork_parent ();
788	}	1043	}
789		1044
790	#define dREQ(reqtype) \	1045	#define dREQ(reqtype,rsvcnt) \
791	aio_req req; \	1046	bdb_req req; \
792	int req_pri = next_pri; \	1047	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	1048	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	1049	\
795	if (SvOK (callback) && !SvROK (callback)) \	1050	if (callback && SvOK (callback)) \
796	croak ("callback must be undef or of reference type"); \	1051	croak ("callback has illegal type or extra arguments"); \
797	\	1052	\
798	Newz (0, req, 1, aio_cb); \	1053	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	1054	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	1055	croak ("out of memory during bdb_req allocation"); \
801	\	1056	\
802	req->callback = newSVsv (callback); \	1057	req->callback = SvREFCNT_inc (cb); \
803	req->type = (reqtype); \	1058	req->type = (reqtype); \
804	req->pri = req_pri	1059	req->pri = req_pri; \
		1060	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1061	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1062	(void)0;
805		1063
806	#define REQ_SEND \	1064	#define REQ_SEND \
807	req_send (req)	1065	req_send (req)
808		1066
809	#define SvPTR(var, arg, type, class, nullok) \	1067	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	1068	if (!SvOK (arg)) \
811	{ \	1069	{ \
812	if (!nullok) \	1070	if (nullok != 1) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	1071	croak (# var " must be a " # class " object, not undef"); \
814	\	1072	\
815	(var) = 0; \	1073	(var) = 0; \
816	} \	1074	} \
817	else if (sv_derived_from ((arg), # class)) \	1075	else if (sv_derived_from ((arg), # class)) \
818	{ \	1076	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	1077	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	1078	(var) = INT2PTR (type, tmp); \
821	if (!var) \	1079	if (!var && nullok != 2) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	1080	croak (# var " is not a valid " # class " object anymore"); \
823	} \	1081	} \
824	else \	1082	else \
825	Perl_croak (# var " is not of type " # class); \	1083	croak (# var " is not of type " # class);
826	\	1084
		1085	#define ARG_MUTABLE(name) \
		1086	if (SvREADONLY (name)) \
		1087	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
827		1088
828	static void	1089	static void
829	ptr_nuke (SV *sv)	1090	ptr_nuke (SV *sv)
830	{	1091	{
831	assert (SvROK (sv));	1092	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	1093	sv_setiv (SvRV (sv), 0);
833	}	1094	}
		1095
		1096	static int
		1097	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1098	{
		1099	if (*mg->mg_ptr == '!') // should always be the case
		1100	if (-30999 <= errno && errno <= -30800)
		1101	{
		1102	sv_setnv (sv, (NV)errno);
		1103	sv_setpv (sv, db_strerror (errno));
		1104	SvNOK_on (sv); /* what a wonderful hack! */
		1105	// ^^^ copied from perl sources
		1106	return 0;
		1107	}
		1108
		1109	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1110	}
		1111
		1112	static MGVTBL vtbl_errno;
		1113
		1114	// this wonderful hack :( patches perl's $! variable to support our errno values
		1115	static void
		1116	patch_errno (void)
		1117	{
		1118	SV *sv;
		1119	MAGIC *mg;
		1120
		1121	if (!(sv = get_sv ("!", 1)))
		1122	return;
		1123
		1124	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1125	return;
		1126
		1127	if (mg->mg_virtual != &PL_vtbl_sv)
		1128	return;
		1129
		1130	vtbl_errno = PL_vtbl_sv;
		1131	vtbl_errno.svt_get = errno_get;
		1132	mg->mg_virtual = &vtbl_errno;
		1133	}
		1134
		1135	#if __GNUC__ >= 4
		1136	# define noinline __attribute__ ((noinline))
		1137	#else
		1138	# define noinline
		1139	#endif
		1140
		1141	static noinline SV *
		1142	pop_callback (I32 *ritems, SV *sv)
		1143	{
		1144	if (SvROK (sv))
		1145	{
		1146	HV *st;
		1147	GV *gvp;
		1148	CV *cv;
		1149	const char *name;
		1150
		1151	/* forgive me */
		1152	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1153	&& (st = SvSTASH (SvRV (sv)))
		1154	&& (name = HvNAME_get (st))
		1155	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1156	return 0;
		1157
		1158	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1159	{
		1160	--*ritems;
		1161	return (SV *)cv;
		1162	}
		1163	}
		1164
		1165	return 0;
		1166	}
		1167
		1168	/*****************************************************************************/
		1169
		1170	#if 0
		1171	static int
		1172	bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
		1173	{
		1174	ssize_t size1 = dbt1->size;
		1175	ssize_t size2 = dbt2->size;
		1176	int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
		1177	size1 <= size2 ? size1 : size2);
		1178
		1179	if (res)
		1180	return res;
		1181	else if (size1 - size2)
		1182	return size1 - size2;
		1183	else
		1184	return 0;
		1185	}
		1186
		1187	static size_t
		1188	bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
		1189	{
		1190	ssize_t size1 = dbt1->size;
		1191	ssize_t size2 = dbt2->size;
		1192	u_int8_t *p1 = (u_int8_t *)dbt1->data;
		1193	u_int8_t *p2 = (u_int8_t *)dbt2->data;
		1194	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1195
		1196	while (p1 < pe)
		1197	if (*p1++ != *p2++)
		1198	return p1 - (u_int8_t *)dbt1->data - 1;
		1199
		1200	if (size1 < size2) return size1 + 1;
		1201	if (size1 > size2) return size2 + 1;
		1202
		1203	return size1;
		1204	}
		1205	#endif
		1206
		1207	/*****************************************************************************/
		1208
		1209	/* stupid windows defines CALLBACK as well */
		1210	#undef CALLBACK
		1211	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
834		1212
835	MODULE = BDB PACKAGE = BDB	1213	MODULE = BDB PACKAGE = BDB
836		1214
837	PROTOTYPES: ENABLE	1215	PROTOTYPES: ENABLE
838		1216
…		…
854	const_iv (INIT_TXN)	1232	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1233	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1234	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1235	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1236	const_iv (CREATE)
		1237	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1238	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1239	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1240	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1241	const_iv (PRIVATE)
863	const_iv (REGISTER)
864	const_iv (SYSTEM_MEM)	1242	const_iv (SYSTEM_MEM)
865	const_iv (AUTO_COMMIT)	1243	const_iv (AUTO_COMMIT)
866	const_iv (CDB_ALLDB)	1244	const_iv (CDB_ALLDB)
867	const_iv (DIRECT_DB)	1245	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)	1246	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1247	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1248	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1249	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1250	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1251	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1252	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1253	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1254	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1255	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1256	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1257	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1258	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1259	const_iv (XA_CREATE)
…		…
889	const_iv (HASH)	1261	const_iv (HASH)
890	const_iv (QUEUE)	1262	const_iv (QUEUE)
891	const_iv (RECNO)	1263	const_iv (RECNO)
892	const_iv (UNKNOWN)	1264	const_iv (UNKNOWN)
893	const_iv (EXCL)	1265	const_iv (EXCL)
894	const_iv (READ_COMMITTED)
895	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1266	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1267	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1268	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1269	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1270	const_iv (DUP)
902	const_iv (DUPSORT)	1271	const_iv (DUPSORT)
903	const_iv (RECNUM)	1272	//const_iv (RECNUM)
904	const_iv (RENUMBER)	1273	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1274	const_iv (REVSPLITOFF)
906	const_iv (INORDER)
907	const_iv (CONSUME)	1275	const_iv (CONSUME)
908	const_iv (CONSUME_WAIT)	1276	const_iv (CONSUME_WAIT)
909	const_iv (GET_BOTH)	1277	const_iv (GET_BOTH)
910	const_iv (GET_BOTH_RANGE)	1278	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1279	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1280	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1281	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1282	const_iv (JOIN_ITEM)
		1283	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1284	const_iv (RMW)
916		1285
917	const_iv (NOTFOUND)	1286	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1287	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1288	const_iv (LOCK_DEADLOCK)
920	const_iv (LOCK_NOTGRANTED)	1289	const_iv (LOCK_NOTGRANTED)
921	const_iv (RUNRECOVERY)	1290	const_iv (RUNRECOVERY)
922	const_iv (OLD_VERSION)	1291	const_iv (OLD_VERSION)
923	const_iv (REP_HANDLE_DEAD)	1292	const_iv (REP_HANDLE_DEAD)
924	const_iv (REP_LOCKOUT)
925	const_iv (SECONDARY_BAD)	1293	const_iv (SECONDARY_BAD)
926
927	const_iv (FREE_SPACE)
928	const_iv (FREELIST_ONLY)
929		1294
930	const_iv (APPEND)	1295	const_iv (APPEND)
931	const_iv (NODUPDATA)	1296	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1297	const_iv (NOOVERWRITE)
933		1298
934	const_iv (TXN_NOWAIT)	1299	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1300	const_iv (TXN_SYNC)
937		1301
938	const_iv (SET_LOCK_TIMEOUT)	1302	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1303	const_iv (SET_TXN_TIMEOUT)
940		1304
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1305	const_iv (FIRST)
943	const_iv (NEXT)	1306	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1307	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1308	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1309	const_iv (PREV)
…		…
952	const_iv (AFTER)	1315	const_iv (AFTER)
953	const_iv (CURRENT)	1316	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1317	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1318	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1319	const_iv (NODUPDATA)
		1320
		1321	const_iv (FORCE)
		1322
		1323	const_iv (LOCK_DEFAULT)
		1324	const_iv (LOCK_EXPIRE)
		1325	const_iv (LOCK_MAXLOCKS)
		1326	const_iv (LOCK_MINLOCKS)
		1327	const_iv (LOCK_MINWRITE)
		1328	const_iv (LOCK_OLDEST)
		1329	const_iv (LOCK_RANDOM)
		1330	const_iv (LOCK_YOUNGEST)
		1331
		1332	const_iv (DONOTINDEX)
		1333	const_iv (KEYEMPTY )
		1334	const_iv (KEYEXIST )
		1335	const_iv (LOCK_DEADLOCK)
		1336	const_iv (LOCK_NOTGRANTED)
		1337	const_iv (NOSERVER)
		1338	const_iv (NOSERVER_HOME)
		1339	const_iv (NOSERVER_ID)
		1340	const_iv (NOTFOUND)
		1341	const_iv (PAGE_NOTFOUND)
		1342	const_iv (REP_DUPMASTER)
		1343	const_iv (REP_HANDLE_DEAD)
		1344	const_iv (REP_HOLDELECTION)
		1345	const_iv (REP_ISPERM)
		1346	const_iv (REP_NEWMASTER)
		1347	const_iv (REP_NEWSITE)
		1348	const_iv (REP_NOTPERM)
		1349	const_iv (REP_UNAVAIL)
		1350	const_iv (RUNRECOVERY)
		1351	const_iv (SECONDARY_BAD)
		1352	const_iv (VERIFY_BAD)
		1353
		1354	const_iv (ARCH_ABS)
		1355	const_iv (ARCH_DATA)
		1356	const_iv (ARCH_LOG)
		1357	const_iv (ARCH_REMOVE)
		1358
		1359	const_iv (VERB_DEADLOCK)
		1360	const_iv (VERB_RECOVERY)
		1361	const_iv (VERB_REPLICATION)
		1362	const_iv (VERB_WAITSFOR)
		1363
		1364	const_iv (VERSION_MAJOR)
		1365	const_iv (VERSION_MINOR)
		1366	const_iv (VERSION_PATCH)
		1367	#if DB_VERSION_MINOR >= 3
		1368	const_iv (INORDER)
		1369	const_iv (LOCK_MAXWRITE)
		1370	const_iv (SEQ_DEC)
		1371	const_iv (SEQ_INC)
		1372	const_iv (SEQ_WRAP)
		1373	const_iv (BUFFER_SMALL)
		1374	const_iv (LOG_BUFFER_FULL)
		1375	const_iv (VERSION_MISMATCH)
		1376	#endif
		1377	#if DB_VERSION_MINOR >= 4
		1378	const_iv (REGISTER)
		1379	const_iv (DSYNC_DB)
		1380	const_iv (READ_COMMITTED)
		1381	const_iv (READ_UNCOMMITTED)
		1382	const_iv (REP_IGNORE)
		1383	const_iv (REP_LOCKOUT)
		1384	const_iv (REP_JOIN_FAILURE)
		1385	const_iv (FREE_SPACE)
		1386	const_iv (FREELIST_ONLY)
		1387	const_iv (VERB_REGISTER)
		1388	#endif
		1389	#if DB_VERSION_MINOR >= 5
		1390	const_iv (MULTIVERSION)
		1391	const_iv (TXN_SNAPSHOT)
		1392	#endif
		1393	#if DB_VERSION_MINOR >= 6
		1394	const_iv (PREV_DUP)
		1395	const_iv (PRIORITY_UNCHANGED)
		1396	const_iv (PRIORITY_VERY_LOW)
		1397	const_iv (PRIORITY_LOW)
		1398	const_iv (PRIORITY_DEFAULT)
		1399	const_iv (PRIORITY_HIGH)
		1400	const_iv (PRIORITY_VERY_HIGH)
		1401	const_iv (IGNORE_LEASE)
		1402	#endif
		1403	#if DB_VERSION_MINOR >= 7
		1404	//const_iv (MULTIPLE_KEY)
		1405	const_iv (LOG_DIRECT)
		1406	const_iv (LOG_DSYNC)
		1407	const_iv (LOG_AUTO_REMOVE)
		1408	const_iv (LOG_IN_MEMORY)
		1409	const_iv (LOG_ZERO)
		1410	#else
		1411	const_iv (DIRECT_LOG)
		1412	const_iv (LOG_AUTOREMOVE)
		1413	# if DB_VERSION_MINOR >= 3
		1414	const_iv (DSYNC_LOG)
		1415	const_iv (LOG_INMEMORY)
		1416	# endif
		1417	#endif
957	};	1418	};
958		1419
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1420	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1421	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1422
962	create_pipe ();	1423	prepare_cb = &PL_sv_undef;
		1424
		1425	{
		1426	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1427	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1428
		1429	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1430	}
		1431
		1432	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1433
		1434	create_respipe ();
		1435
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1436	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1437	patch_errno ();
964	}	1438	}
965		1439
966	void	1440	void
967	max_poll_reqs (int nreqs)	1441	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1442	PROTOTYPE: $
…		…
1087		1561
1088	int	1562	int
1089	nthreads ()	1563	nthreads ()
1090	PROTOTYPE:	1564	PROTOTYPE:
1091	CODE:	1565	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1566	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1567	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1568	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1569	OUTPUT:
1096	RETVAL	1570	RETVAL
1097		1571
1098	void	1572	SV *
1099	set_sync_prepare (SV *cb)	1573	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1574	PROTOTYPE: &
1101	CODE:	1575	CODE:
1102	SvREFCNT_dec (prepare_cb);	1576	RETVAL = prepare_cb;
1103	prepare_cb = newSVsv (cb);	1577	prepare_cb = newSVsv (cb);
		1578	OUTPUT:
		1579	RETVAL
		1580
		1581	char *
		1582	strerror (int errorno = errno)
		1583	PROTOTYPE: ;$
		1584	CODE:
		1585	RETVAL = db_strerror (errorno);
		1586	OUTPUT:
		1587	RETVAL
		1588
		1589	void _on_next_submit (SV *cb)
		1590	CODE:
		1591	SvREFCNT_dec (on_next_submit);
		1592	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1104		1593
1105	DB_ENV *	1594	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1595	db_env_create (U32 env_flags = 0)
1107	CODE:	1596	CODE:
1108	{	1597	{
1109	errno = db_env_create (&RETVAL, env_flags);	1598	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1599	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1600	croak ("db_env_create: %s", db_strerror (errno));
		1601
		1602	if (0)
		1603	{
		1604	RETVAL->set_errcall (RETVAL, debug_errcall);
		1605	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1606	}
1112	}	1607	}
1113	OUTPUT:	1608	OUTPUT:
1114	RETVAL	1609	RETVAL
1115		1610
1116	void	1611	void
1117	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1612	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1613	PREINIT:
		1614	CALLBACK
1118	CODE:	1615	CODE:
1119	{	1616	{
1120	dREQ (REQ_ENV_OPEN);	1617	dREQ (REQ_ENV_OPEN, 1);
1121	req->env = env;	1618	req->env = env;
1122	req->uint1 = open_flags | DB_THREAD;	1619	req->uint1 = open_flags | DB_THREAD;
1123	req->int1 = mode;	1620	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1621	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1622	REQ_SEND;
1126	}	1623	}
1127		1624
1128	void	1625	void
1129	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1626	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1627	PREINIT:
		1628	CALLBACK
1130	CODE:	1629	CODE:
1131	{	1630	{
1132	dREQ (REQ_ENV_CLOSE);	1631	dREQ (REQ_ENV_CLOSE, 0);
		1632	ptr_nuke (ST (0));
1133	req->env = env;	1633	req->env = env;
1134	req->uint1 = flags;	1634	req->uint1 = flags;
1135	REQ_SEND;	1635	REQ_SEND;
1136	ptr_nuke (ST (0));	1636	}
		1637
		1638	void
		1639	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1640	PREINIT:
		1641	CALLBACK
		1642	CODE:
		1643	{
		1644	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1645	req->env = env;
		1646	req->uint1 = kbyte;
		1647	req->int1 = min;
		1648	req->uint2 = flags;
		1649	REQ_SEND;
		1650	}
		1651
		1652	void
		1653	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1654	PREINIT:
		1655	CALLBACK
		1656	CODE:
		1657	{
		1658	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1659	req->env = env;
		1660	req->uint1 = flags;
		1661	req->uint2 = atype;
		1662	/* req->int2 = 0; dummy */
		1663	REQ_SEND;
		1664	}
		1665
		1666	void
		1667	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1668	PREINIT:
		1669	CALLBACK
		1670	CODE:
		1671	{
		1672	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1673	req->env = env;
		1674	REQ_SEND;
		1675	}
		1676
		1677	void
		1678	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1679	PREINIT:
		1680	CALLBACK
		1681	CODE:
		1682	{
		1683	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1684	req->env = env;
		1685	req->int1 = percent;
		1686	REQ_SEND;
		1687	}
		1688
		1689	void
		1690	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
		1693	CODE:
		1694	{
		1695	dREQ (REQ_ENV_DBREMOVE, 2);
		1696	req->env = env;
		1697	req->buf1 = strdup_ornull (file);
		1698	req->buf2 = strdup_ornull (database);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	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)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_ENV_DBRENAME, 2);
		1710	req->env = env;
		1711	req->buf1 = strdup_ornull (file);
		1712	req->buf2 = strdup_ornull (database);
		1713	req->buf3 = strdup_ornull (newname);
		1714	req->uint1 = flags;
		1715	REQ_SEND;
		1716	}
		1717
		1718	void
		1719	db_env_log_archive (DB_ENV *env, SV_mutable *listp, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1725	req->sv1 = SvREFCNT_inc (listp);
		1726	req->env = env;
		1727	req->uint1 = flags;
		1728	REQ_SEND;
1137	}	1729	}
1138		1730
1139	DB *	1731	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1732	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1733	CODE:
…		…
1149	}	1741	}
1150	OUTPUT:	1742	OUTPUT:
1151	RETVAL	1743	RETVAL
1152		1744
1153	void	1745	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)	1746	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
1155	CODE:	1749	CODE:
1156	{	1750	{
1157	dREQ (REQ_DB_OPEN);	1751	dREQ (REQ_DB_OPEN, 2);
1158	req->db = db;	1752	req->db = db;
1159	req->txn = txnid;	1753	req->txn = txnid;
1160	req->buf1 = strdup_ornull (file);	1754	req->buf1 = strdup_ornull (file);
1161	req->buf2 = strdup_ornull (database);	1755	req->buf2 = strdup_ornull (database);
1162	req->int1 = type;	1756	req->int1 = type;
…		…
1164	req->int2 = mode;	1758	req->int2 = mode;
1165	REQ_SEND;	1759	REQ_SEND;
1166	}	1760	}
1167		1761
1168	void	1762	void
1169	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1763	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1764	PREINIT:
		1765	CALLBACK
1170	CODE:	1766	CODE:
1171	{	1767	{
1172	dREQ (REQ_DB_CLOSE);	1768	dREQ (REQ_DB_CLOSE, 0);
		1769	ptr_nuke (ST (0));
1173	req->db = db;	1770	req->db = db;
1174	req->uint1 = flags;	1771	req->uint1 = flags;
1175	req->sv1 = (SV *)db->app_private;	1772	req->sv1 = (SV *)db->app_private;
1176	REQ_SEND;	1773	REQ_SEND;
1177	ptr_nuke (ST (0));
1178	}	1774	}
1179		1775
		1776	#if DB_VERSION_MINOR >= 4
		1777
1180	void	1778	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)	1779	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)
		1780	PREINIT:
		1781	CALLBACK
1182	CODE:	1782	CODE:
1183	{	1783	{
1184	dREQ (REQ_DB_COMPACT);	1784	dREQ (REQ_DB_COMPACT, 2);
1185	req->db = db;	1785	req->db = db;
1186	req->txn = txn;	1786	req->txn = txn;
1187	sv_to_dbt (&req->dbt1, start);	1787	if (start) sv_to_dbt (&req->dbt1, start);
1188	sv_to_dbt (&req->dbt2, stop);	1788	if (stop ) sv_to_dbt (&req->dbt2, stop );
1189	req->uint1 = flags;	1789	req->uint1 = flags;
1190	REQ_SEND;	1790	REQ_SEND;
1191	}	1791	}
1192		1792
		1793	#endif
		1794
1193	void	1795	void
1194	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1796	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1797	PREINIT:
		1798	CALLBACK
1195	CODE:	1799	CODE:
1196	{	1800	{
1197	dREQ (REQ_DB_SYNC);	1801	dREQ (REQ_DB_SYNC, 1);
1198	req->db = db;	1802	req->db = db;
1199	req->uint1 = flags;	1803	req->uint1 = flags;
1200	REQ_SEND;	1804	REQ_SEND;
1201	}	1805	}
1202		1806
1203	void	1807	void
		1808	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1809	PREINIT:
		1810	CALLBACK
		1811	CODE:
		1812	{
		1813	dREQ (REQ_DB_SYNC, 1);
		1814	req->db = db;
		1815	req->buf1 = strdup (file);
		1816	req->uint1 = flags;
		1817	REQ_SEND;
		1818	}
		1819
		1820	void
		1821	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1822	PREINIT:
		1823	CALLBACK
		1824	CODE:
		1825	{
		1826	dREQ (REQ_DB_KEY_RANGE, 2);
		1827	req->db = db;
		1828	req->txn = txn;
		1829	sv_to_dbt (&req->dbt1, key);
		1830	req->uint1 = flags;
		1831	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1832	REQ_SEND;
		1833	}
		1834
		1835	void
1204	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1836	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1837	PREINIT:
		1838	CALLBACK
1205	CODE:	1839	CODE:
1206	{	1840	{
1207	dREQ (REQ_DB_PUT);	1841	dREQ (REQ_DB_PUT, 2);
1208	req->db = db;	1842	req->db = db;
1209	req->txn = txn;	1843	req->txn = txn;
1210	sv_to_dbt (&req->dbt1, key);	1844	sv_to_dbt (&req->dbt1, key);
1211	sv_to_dbt (&req->dbt2, data);	1845	sv_to_dbt (&req->dbt2, data);
1212	req->uint1 = flags;	1846	req->uint1 = flags;
1213	REQ_SEND;	1847	REQ_SEND;
1214	}	1848	}
1215		1849
		1850	#if DB_VERSION_MINOR >= 6
		1851
1216	void	1852	void
		1853	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1854	PREINIT:
		1855	CALLBACK
		1856	CODE:
		1857	{
		1858	dREQ (REQ_DB_EXISTS, 2);
		1859	req->db = db;
		1860	req->txn = txn;
		1861	req->uint1 = flags;
		1862	sv_to_dbt (&req->dbt1, key);
		1863	REQ_SEND;
		1864	}
		1865
		1866	#endif
		1867
		1868	void
1217	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1869	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1870	PREINIT:
		1871	CALLBACK
1218	CODE:	1872	CODE:
1219	{	1873	{
		1874	//TODO: key is somtimesmutable
1220	dREQ (REQ_DB_GET);	1875	dREQ (REQ_DB_GET, 2);
1221	req->db = db;	1876	req->db = db;
1222	req->txn = txn;	1877	req->txn = txn;
1223	req->uint1 = flags;	1878	req->uint1 = flags;
1224	sv_to_dbt (&req->dbt1, key);	1879	sv_to_dbt (&req->dbt1, key);
1225	req->dbt3.flags = DB_DBT_MALLOC;	1880	req->dbt3.flags = DB_DBT_MALLOC;
1226	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1881	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1227	REQ_SEND;	1882	REQ_SEND;
1228	}	1883	}
1229		1884
1230	void	1885	void
1231	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1886	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1887	PREINIT:
		1888	CALLBACK
1232	CODE:	1889	CODE:
1233	{	1890	{
		1891	//TODO: key is somtimesmutable
1234	dREQ (REQ_DB_PGET);	1892	dREQ (REQ_DB_PGET, 2);
		1893	req->db = db;
		1894	req->txn = txn;
		1895	req->uint1 = flags;
		1896
		1897	sv_to_dbt (&req->dbt1, key);
		1898
		1899	req->dbt2.flags = DB_DBT_MALLOC;
		1900	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1901
		1902	req->dbt3.flags = DB_DBT_MALLOC;
		1903	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1904	REQ_SEND;
		1905	}
		1906
		1907	void
		1908	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1909	PREINIT:
		1910	CALLBACK
		1911	CODE:
		1912	{
		1913	dREQ (REQ_DB_DEL, 2);
1235	req->db = db;	1914	req->db = db;
1236	req->txn = txn;	1915	req->txn = txn;
1237	req->uint1 = flags;	1916	req->uint1 = flags;
1238	sv_to_dbt (&req->dbt1, key);	1917	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;	1918	REQ_SEND;
1243	}	1919	}
1244		1920
1245	void	1921	void
1246	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1922	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1923	PREINIT:
		1924	CALLBACK
1247	CODE:	1925	CODE:
1248	{	1926	{
1249	dREQ (REQ_DB_DEL);	1927	dREQ (REQ_TXN_COMMIT, 0);
1250	req->db = db;	1928	ptr_nuke (ST (0));
1251	req->txn = txn;	1929	req->txn = txn;
1252	req->uint1 = flags;	1930	req->uint1 = flags;
1253	sv_to_dbt (&req->dbt1, key);
1254	REQ_SEND;	1931	REQ_SEND;
1255	}	1932	}
1256		1933
1257	void	1934	void
1258	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1935	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1936	PREINIT:
		1937	CALLBACK
1259	CODE:	1938	CODE:
1260	{	1939	{
1261	dREQ (REQ_TXN_COMMIT);	1940	dREQ (REQ_TXN_ABORT, 0);
		1941	ptr_nuke (ST (0));
		1942	req->txn = txn;
		1943	REQ_SEND;
		1944	}
		1945
		1946	void
		1947	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1948	PREINIT:
		1949	CALLBACK
		1950	CODE:
		1951	{
		1952	dREQ (REQ_TXN_FINISH, 0);
		1953	ptr_nuke (ST (0));
1262	req->txn = txn;	1954	req->txn = txn;
1263	req->uint1 = flags;	1955	req->uint1 = flags;
1264	REQ_SEND;	1956	REQ_SEND;
		1957	}
		1958
		1959	void
		1960	db_c_close (DBC *dbc, SV *callback = 0)
		1961	PREINIT:
		1962	CALLBACK
		1963	CODE:
		1964	{
		1965	dREQ (REQ_C_CLOSE, 0);
1265	ptr_nuke (ST (0));	1966	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;	1967	req->dbc = dbc;
1284	REQ_SEND;	1968	REQ_SEND;
1285	ptr_nuke (ST (0));
1286	}	1969	}
1287		1970
1288	void	1971	void
1289	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1972	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1973	PREINIT:
		1974	CALLBACK
1290	CODE:	1975	CODE:
1291	{	1976	{
1292	dREQ (REQ_C_COUNT);	1977	dREQ (REQ_C_COUNT, 1);
1293	req->dbc = dbc;	1978	req->dbc = dbc;
1294	req->sv1 = SvREFCNT_inc (count);	1979	req->sv1 = SvREFCNT_inc (count);
1295	REQ_SEND;	1980	REQ_SEND;
1296	}	1981	}
1297		1982
1298	void	1983	void
1299	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1984	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1985	PREINIT:
		1986	CALLBACK
1300	CODE:	1987	CODE:
1301	{	1988	{
1302	dREQ (REQ_C_PUT);	1989	dREQ (REQ_C_PUT, 1);
1303	req->dbc = dbc;	1990	req->dbc = dbc;
1304	sv_to_dbt (&req->dbt1, key);	1991	sv_to_dbt (&req->dbt1, key);
1305	sv_to_dbt (&req->dbt2, data);	1992	sv_to_dbt (&req->dbt2, data);
1306	req->uint1 = flags;	1993	req->uint1 = flags;
1307	REQ_SEND;	1994	REQ_SEND;
1308	}	1995	}
1309		1996
1310	void	1997	void
1311	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1998	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1999	PREINIT:
		2000	CALLBACK
1312	CODE:	2001	CODE:
1313	{	2002	{
		2003	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2004	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2005	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2006	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2007	"key",
		2008	"BDB::db_c_get");
		2009
		2010	{
1314	dREQ (REQ_C_GET);	2011	dREQ (REQ_C_GET, 1);
		2012	req->dbc = dbc;
		2013	req->uint1 = flags;
		2014	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2015	sv_to_dbt (&req->dbt1, key);
		2016	else
		2017	{
		2018	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2019	sv_to_dbt (&req->dbt1, key);
		2020	else
		2021	req->dbt1.flags = DB_DBT_MALLOC;
		2022
		2023	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2024	}
		2025
		2026	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2027	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2028	sv_to_dbt (&req->dbt3, data);
		2029	else
		2030	req->dbt3.flags = DB_DBT_MALLOC;
		2031
		2032	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2033	REQ_SEND;
		2034	}
		2035	}
		2036
		2037	void
		2038	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		2039	PREINIT:
		2040	CALLBACK
		2041	CODE:
		2042	{
		2043	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2044	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2045	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2046	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2047	"key",
		2048	"BDB::db_c_pget");
		2049
		2050	{
		2051	dREQ (REQ_C_PGET, 1);
		2052	req->dbc = dbc;
		2053	req->uint1 = flags;
		2054	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2055	sv_to_dbt (&req->dbt1, key);
		2056	else
		2057	{
		2058	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2059	sv_to_dbt (&req->dbt1, key);
		2060	else
		2061	req->dbt1.flags = DB_DBT_MALLOC;
		2062
		2063	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2064	}
		2065
		2066	req->dbt2.flags = DB_DBT_MALLOC;
		2067	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2068
		2069	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2070	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2071	sv_to_dbt (&req->dbt3, data);
		2072	else
		2073	req->dbt3.flags = DB_DBT_MALLOC;
		2074
		2075	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2076	REQ_SEND;
		2077	}
		2078	}
		2079
		2080	void
		2081	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		2082	PREINIT:
		2083	CALLBACK
		2084	CODE:
		2085	{
		2086	dREQ (REQ_C_DEL, 1);
1315	req->dbc = dbc;	2087	req->dbc = dbc;
1316	req->uint1 = flags;	2088	req->uint1 = flags;
1317	if ((flags & DB_SET) == DB_SET	2089	REQ_SEND;
1318	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)	2090	}
		2091
		2092
		2093	#if DB_VERSION_MINOR >= 3
		2094
		2095	void
		2096	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2097	PREINIT:
		2098	CALLBACK
		2099	CODE:
		2100	{
		2101	dREQ (REQ_SEQ_OPEN, 2);
		2102	req->seq = seq;
		2103	req->txn = txnid;
		2104	req->uint1 = flags | DB_THREAD;
1319	sv_to_dbt (&req->dbt1, key);	2105	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;	2106	REQ_SEND;
1333	}	2107	}
1334		2108
1335	void	2109	void
1336	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	2110	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2111	PREINIT:
		2112	CALLBACK
1337	CODE:	2113	CODE:
1338	{	2114	{
1339	dREQ (REQ_C_PGET);	2115	dREQ (REQ_SEQ_CLOSE, 0);
		2116	ptr_nuke (ST (0));
1340	req->dbc = dbc;	2117	req->seq = seq;
1341	req->uint1 = flags;	2118	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;	2119	REQ_SEND;
1361	}	2120	}
1362		2121
1363	void	2122	void
1364	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	2123	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2124	PREINIT:
		2125	CALLBACK
1365	CODE:	2126	CODE:
1366	{	2127	{
1367	dREQ (REQ_C_DEL);	2128	dREQ (REQ_SEQ_GET, 2);
1368	req->dbc = dbc;	2129	req->seq = seq;
		2130	req->txn = txnid;
		2131	req->int1 = delta;
1369	req->uint1 = flags;	2132	req->uint1 = flags;
		2133	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1370	REQ_SEND;	2134	REQ_SEND;
1371	}	2135	}
		2136
		2137	void
		2138	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2139	PREINIT:
		2140	CALLBACK
		2141	CODE:
		2142	{
		2143	dREQ (REQ_SEQ_REMOVE, 2);
		2144	req->seq = seq;
		2145	req->txn = txnid;
		2146	req->uint1 = flags;
		2147	REQ_SEND;
		2148	}
		2149
		2150	#endif
1372		2151
1373		2152
1374	MODULE = BDB PACKAGE = BDB::Env	2153	MODULE = BDB PACKAGE = BDB::Env
1375		2154
1376	void	2155	void
1377	DESTROY (DB_ENV_ornull *env)	2156	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	2157	CODE:
1379	if (env)	2158	if (env)
1380	env->close (env, 0);	2159	env->close (env, 0);
1381		2160
		2161	int set_data_dir (DB_ENV *env, const char *dir)
		2162	CODE:
		2163	RETVAL = env->set_data_dir (env, dir);
		2164	OUTPUT:
		2165	RETVAL
		2166
		2167	int set_tmp_dir (DB_ENV *env, const char *dir)
		2168	CODE:
		2169	RETVAL = env->set_tmp_dir (env, dir);
		2170	OUTPUT:
		2171	RETVAL
		2172
		2173	int set_lg_dir (DB_ENV *env, const char *dir)
		2174	CODE:
		2175	RETVAL = env->set_lg_dir (env, dir);
		2176	OUTPUT:
		2177	RETVAL
		2178
		2179	int set_shm_key (DB_ENV *env, long shm_key)
		2180	CODE:
		2181	RETVAL = env->set_shm_key (env, shm_key);
		2182	OUTPUT:
		2183	RETVAL
		2184
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2185	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	2186	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2187	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	2188	OUTPUT:
1386	RETVAL	2189	RETVAL
1387		2190
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	2191	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	2192	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	2193	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	2194	OUTPUT:
1392	RETVAL	2195	RETVAL
1393		2196
		2197	#if DB_VERSION_MINOR >= 7
		2198
		2199	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2200	CODE:
		2201	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2206	CODE:
		2207	RETVAL = env->log_set_config (env, flags, onoff);
		2208	OUTPUT:
		2209	RETVAL
		2210
		2211	#endif
		2212
		2213
		2214	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2215	CODE:
		2216	env->set_errfile (env, errfile);
		2217
		2218	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2219	CODE:
		2220	env->set_msgfile (env, msgfile);
		2221
		2222	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2223	CODE:
		2224	RETVAL = env->set_verbose (env, which, onoff);
		2225	OUTPUT:
		2226	RETVAL
		2227
1394	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2228	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1395	CODE:	2229	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	2230	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	2231	OUTPUT:
1398	RETVAL	2232	RETVAL
1399		2233
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2234	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	2235	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2236	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	2237	OUTPUT:
1404	RETVAL	2238	RETVAL
		2239
		2240	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2241	CODE:
		2242	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2243	OUTPUT:
		2244	RETVAL
		2245
		2246	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2247	CODE:
		2248	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2249	OUTPUT:
		2250	RETVAL
		2251
		2252	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2253	CODE:
		2254	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2255	OUTPUT:
		2256	RETVAL
		2257
		2258	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2259	CODE:
		2260	RETVAL = env->set_lk_detect (env, detect);
		2261	OUTPUT:
		2262	RETVAL
		2263
		2264	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2265	CODE:
		2266	RETVAL = env->set_lk_max_lockers (env, max);
		2267	OUTPUT:
		2268	RETVAL
		2269
		2270	int set_lk_max_locks (DB_ENV *env, U32 max)
		2271	CODE:
		2272	RETVAL = env->set_lk_max_locks (env, max);
		2273	OUTPUT:
		2274	RETVAL
		2275
		2276	int set_lk_max_objects (DB_ENV *env, U32 max)
		2277	CODE:
		2278	RETVAL = env->set_lk_max_objects (env, max);
		2279	OUTPUT:
		2280	RETVAL
		2281
		2282	int set_lg_bsize (DB_ENV *env, U32 max)
		2283	CODE:
		2284	RETVAL = env->set_lg_bsize (env, max);
		2285	OUTPUT:
		2286	RETVAL
		2287
		2288	int set_lg_max (DB_ENV *env, U32 max)
		2289	CODE:
		2290	RETVAL = env->set_lg_max (env, max);
		2291	OUTPUT:
		2292	RETVAL
		2293
		2294	#if DB_VERSION_MINOR >= 4
		2295
		2296	int mutex_set_max (DB_ENV *env, U32 max)
		2297	CODE:
		2298	RETVAL = env->mutex_set_max (env, max);
		2299	OUTPUT:
		2300	RETVAL
		2301
		2302	int mutex_set_increment (DB_ENV *env, U32 increment)
		2303	CODE:
		2304	RETVAL = env->mutex_set_increment (env, increment);
		2305	OUTPUT:
		2306	RETVAL
		2307
		2308	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2309	CODE:
		2310	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2311	OUTPUT:
		2312	RETVAL
		2313
		2314	int mutex_set_align (DB_ENV *env, U32 align)
		2315	CODE:
		2316	RETVAL = env->mutex_set_align (env, align);
		2317	OUTPUT:
		2318	RETVAL
		2319
		2320	#endif
1405		2321
1406	DB_TXN *	2322	DB_TXN *
1407	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2323	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1408	CODE:	2324	CODE:
1409	errno = env->txn_begin (env, parent, &RETVAL, flags);	2325	errno = env->txn_begin (env, parent, &RETVAL, flags);
1410	if (errno)	2326	if (errno)
1411	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2327	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1412	OUTPUT:	2328	OUTPUT:
1413	RETVAL	2329	RETVAL
1414		2330
		2331	#if DB_VERSION_MINOR >= 5
		2332
		2333	DB_TXN *
		2334	cdsgroup_begin (DB_ENV *env)
		2335	CODE:
		2336	errno = env->cdsgroup_begin (env, &RETVAL);
		2337	if (errno)
		2338	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2339	OUTPUT:
		2340	RETVAL
		2341
		2342	#endif
		2343
1415	MODULE = BDB PACKAGE = BDB::Db	2344	MODULE = BDB PACKAGE = BDB::Db
1416		2345
1417	void	2346	void
1418	DESTROY (DB_ornull *db)	2347	DESTROY (DB_ornuked *db)
1419	CODE:	2348	CODE:
1420	if (db)	2349	if (db)
1421	{	2350	{
1422	SV *env = (SV *)db->app_private;	2351	SV *env = (SV *)db->app_private;
1423	db->close (db, 0);	2352	db->close (db, 0);
…		…
1428	CODE:	2357	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2358	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	2359	OUTPUT:
1431	RETVAL	2360	RETVAL
1432		2361
		2362	int set_pagesize (DB *db, U32 pagesize)
		2363	CODE:
		2364	RETVAL = db->set_pagesize (db, pagesize);
		2365	OUTPUT:
		2366	RETVAL
		2367
1433	int set_flags (DB *db, U32 flags);	2368	int set_flags (DB *db, U32 flags)
1434	CODE:	2369	CODE:
1435	RETVAL = db->set_flags (db, flags);	2370	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	2371	OUTPUT:
1437	RETVAL	2372	RETVAL
1438		2373
…		…
1446	CODE:	2381	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	2382	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	2383	OUTPUT:
1449	RETVAL	2384	RETVAL
1450		2385
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	2386	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	2387	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	2388	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	2389	OUTPUT:
1456	RETVAL	2390	RETVAL
1457		2391
1458	int set_re_delim(DB *db, int delim);	2392	int set_re_delim (DB *db, int delim)
1459	CODE:	2393	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	2394	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	2395	OUTPUT:
1462	RETVAL	2396	RETVAL
1463		2397
…		…
1504	if (errno)	2438	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2439	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2440	OUTPUT:
1507	RETVAL	2441	RETVAL
1508		2442
		2443	#if DB_VERSION_MINOR >= 3
		2444
		2445	DB_SEQUENCE *
		2446	sequence (DB *db, U32 flags = 0)
		2447	CODE:
		2448	{
		2449	errno = db_sequence_create (&RETVAL, db, flags);
		2450	if (errno)
		2451	croak ("db_sequence_create: %s", db_strerror (errno));
		2452	}
		2453	OUTPUT:
		2454	RETVAL
		2455
		2456	#endif
		2457
1509		2458
1510	MODULE = BDB PACKAGE = BDB::Txn	2459	MODULE = BDB PACKAGE = BDB::Txn
1511		2460
1512	void	2461	void
1513	DESTROY (DB_TXN_ornull *txn)	2462	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2463	CODE:
1515	if (txn)	2464	if (txn)
1516	txn->abort (txn);	2465	txn->abort (txn);
1517		2466
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2467	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2468	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2469	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2470	OUTPUT:
1522	RETVAL	2471	RETVAL
1523		2472
		2473	int failed (DB_TXN *txn)
		2474	CODE:
		2475	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2476	OUTPUT:
		2477	RETVAL
		2478
1524		2479
1525	MODULE = BDB PACKAGE = BDB::Cursor	2480	MODULE = BDB PACKAGE = BDB::Cursor
1526		2481
1527	void	2482	void
1528	DESTROY (DBC_ornull *dbc)	2483	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2484	CODE:
1530	if (dbc)	2485	if (dbc)
1531	dbc->c_close (dbc);	2486	dbc->c_close (dbc);
1532		2487
		2488	#if DB_VERSION_MINOR >= 6
		2489
		2490	int set_priority (DBC *dbc, int priority)
		2491	CODE:
		2492	dbc->set_priority (dbc, priority);
		2493
		2494	#endif
		2495
		2496	#if DB_VERSION_MINOR >= 3
		2497
		2498	MODULE = BDB PACKAGE = BDB::Sequence
		2499
		2500	void
		2501	DESTROY (DB_SEQUENCE_ornuked *seq)
		2502	CODE:
		2503	if (seq)
		2504	seq->close (seq, 0);
		2505
		2506	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2507	CODE:
		2508	RETVAL = seq->initial_value (seq, value);
		2509	OUTPUT:
		2510	RETVAL
		2511
		2512	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2513	CODE:
		2514	RETVAL = seq->set_cachesize (seq, size);
		2515	OUTPUT:
		2516	RETVAL
		2517
		2518	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2519	CODE:
		2520	RETVAL = seq->set_flags (seq, flags);
		2521	OUTPUT:
		2522	RETVAL
		2523
		2524	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2525	CODE:
		2526	RETVAL = seq->set_range (seq, min, max);
		2527	OUTPUT:
		2528	RETVAL
		2529
		2530	#endif
		2531
		2532

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