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

Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.69 by root, Wed Jul 15 14:40:00 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 argument-less 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 s_epipe respipe;
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	if (s_epipe_renew (&respipe))
		467	croak ("BDB: unable to create event pipe");
		468	}
		469
		470	static void bdb_request (bdb_req req);
		471	X_THREAD_PROC (bdb_proc);
340		472
341	static void start_thread (void)	473	static void start_thread (void)
342	{	474	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	475	worker *wrk = calloc (1, sizeof (worker));
347		476
348	if (!wrk)	477	if (!wrk)
349	croak ("unable to allocate worker thread data");	478	croak ("unable to allocate worker thread data");
350		479
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);	480	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	481	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	482	{
364	wrk->prev = &wrk_first;	483	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	484	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	485	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	486	wrk_first.next = wrk;
368	++started;	487	++started;
369	}	488	}
370	else	489	else
371	free (wrk);	490	free (wrk);
372		491
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	492	X_UNLOCK (wrklock);
375	}	493	}
376		494
377	static void maybe_start_thread ()	495	static void maybe_start_thread (void)
378	{	496	{
379	if (get_nthreads () >= wanted)	497	if (get_nthreads () >= wanted)
380	return;	498	return;
381		499
382	/* todo: maybe use idle here, but might be less exact */	500	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	502	return;
385		503
386	start_thread ();	504	start_thread ();
387	}	505	}
388		506
389	static void req_send (aio_req req)	507	static void req_send (bdb_req req)
390	{	508	{
391	SV *wait_callback = 0;	509	SV *wait_callback = 0;
392		510
393	// synthesize callback if none given	511	if (on_next_submit)
394	if (!SvOK (req->callback))
395	{	512	{
396	dSP;	513	dSP;
		514	SV *cb = sv_2mortal (on_next_submit);
		515
		516	on_next_submit = 0;
		517
397	PUSHMARK (SP);	518	PUSHMARK (SP);
398	PUTBACK;	519	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	520	call_sv (cb, G_DISCARD \| G_EVAL);
400	SPAGAIN;	521	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	}	522	}
409		523
		524	// synthesize callback if none given
		525	if (!req->callback)
		526	{
		527	if (SvOK (prepare_cb))
		528	{
		529	int count;
		530
		531	dSP;
		532	PUSHMARK (SP);
		533	PUTBACK;
		534	count = call_sv (prepare_cb, G_ARRAY);
		535	SPAGAIN;
		536
		537	if (count != 2)
		538	croak ("sync prepare callback must return exactly two values\n");
		539
		540	wait_callback = POPs;
		541	req->callback = SvREFCNT_inc (POPs);
		542	}
		543	else
		544	{
		545	// execute request synchronously
		546	bdb_request (req);
		547	req_invoke (req);
		548	req_free (req);
		549	return;
		550	}
		551	}
		552
410	++nreqs;	553	++nreqs;
411		554
412	LOCK (reqlock);	555	X_LOCK (reqlock);
413	++nready;	556	++nready;
414	reqq_push (&req_queue, req);	557	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	558	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	559	X_UNLOCK (reqlock);
417		560
418	maybe_start_thread ();	561	maybe_start_thread ();
419		562
420	if (wait_callback)	563	if (wait_callback)
421	{	564	{
422	dSP;	565	dSP;
423	PUSHMARK (SP);	566	PUSHMARK (SP);
424	PUTBACK;	567	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	568	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	569	}
428	}	570	}
429		571
430	static void end_thread (void)	572	static void end_thread (void)
431	{	573	{
432	aio_req req;	574	bdb_req req = calloc (1, sizeof (bdb_cb));
433
434	Newz (0, req, 1, aio_cb);
435		575
436	req->type = REQ_QUIT;	576	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	577	req->pri = PRI_MAX + PRI_BIAS;
438		578
439	LOCK (reqlock);	579	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	580	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	581	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	582	X_UNLOCK (reqlock);
443		583
444	LOCK (wrklock);	584	X_LOCK (wrklock);
445	--started;	585	--started;
446	UNLOCK (wrklock);	586	X_UNLOCK (wrklock);
447	}	587	}
448		588
449	static void set_max_idle (int nthreads)	589	static void set_max_idle (int nthreads)
450	{	590	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	591	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	592	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	593	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	594	}
455		595
456	static void min_parallel (int nthreads)	596	static void min_parallel (int nthreads)
457	{	597	{
458	if (wanted < nthreads)	598	if (wanted < nthreads)
…		…
466		606
467	while (started > wanted)	607	while (started > wanted)
468	end_thread ();	608	end_thread ();
469	}	609	}
470		610
471	static void poll_wait ()	611	static void poll_wait (void)
472	{	612	{
473	fd_set rfd;	613	fd_set rfd;
474		614
475	while (nreqs)	615	while (nreqs)
476	{	616	{
477	int size;	617	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	618	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	619	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	620	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		621
482	if (size)	622	if (size)
483	return;	623	return;
484		624
485	maybe_start_thread ();	625	maybe_start_thread ();
486		626
487	FD_ZERO(&rfd);	627	s_epipe_wait (&respipe);
488	FD_SET(respipe [0], &rfd);
489
490	select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	628	}
492	}	629	}
493		630
494	static int poll_cb ()	631	static int poll_cb (void)
495	{	632	{
496	dSP;	633	dSP;
497	int count = 0;	634	int count = 0;
498	int maxreqs = max_poll_reqs;	635	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	636	int do_croak = 0;
500	struct timeval tv_start, tv_now;	637	struct timeval tv_start, tv_now;
501	aio_req req;	638	bdb_req req;
502		639
503	if (max_poll_time)	640	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	641	gettimeofday (&tv_start, 0);
505		642
506	for (;;)	643	for (;;)
507	{	644	{
508	for (;;)	645	for (;;)
509	{	646	{
510	maybe_start_thread ();	647	maybe_start_thread ();
511		648
512	LOCK (reslock);	649	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	650	req = reqq_shift (&res_queue);
514		651
515	if (req)	652	if (req)
516	{	653	{
517	--npending;	654	--npending;
518		655
519	if (!res_queue.size)	656	if (!res_queue.size)
520	{
521	/* read any signals sent by the worker threads */	657	/* read any signals sent by the worker threads */
522	char buf [4];	658	s_epipe_drain (&respipe);
523	while (read (respipe [0], buf, 4) == 4)
524	;
525	}
526	}	659	}
527		660
528	UNLOCK (reslock);	661	X_UNLOCK (reslock);
529		662
530	if (!req)	663	if (!req)
531	break;	664	break;
532		665
533	--nreqs;	666	--nreqs;
…		…
563	}	696	}
564		697
565	return count;	698	return count;
566	}	699	}
567		700
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	/*****************************************************************************/	701	/*****************************************************************************/
581		702
582	static void aio_proc (void thr_arg)	703	static void
		704	bdb_request (bdb_req req)
583	{	705	{
		706	switch (req->type)
		707	{
		708	case REQ_ENV_OPEN:
		709	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		710	break;
		711
		712	case REQ_ENV_CLOSE:
		713	req->result = req->env->close (req->env, req->uint1);
		714	break;
		715
		716	case REQ_ENV_TXN_CHECKPOINT:
		717	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		718	break;
		719
		720	case REQ_ENV_LOCK_DETECT:
		721	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		722	break;
		723
		724	case REQ_ENV_MEMP_SYNC:
		725	req->result = req->env->memp_sync (req->env, 0);
		726	break;
		727
		728	case REQ_ENV_MEMP_TRICKLE:
		729	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		730	break;
		731
		732	case REQ_ENV_DBREMOVE:
		733	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		734	break;
		735
		736	case REQ_ENV_DBRENAME:
		737	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		738	break;
		739
		740	case REQ_DB_OPEN:
		741	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		742	break;
		743
		744	case REQ_DB_CLOSE:
		745	req->result = req->db->close (req->db, req->uint1);
		746	break;
		747
		748	#if DB_VERSION_MINOR >= 4
		749	case REQ_DB_COMPACT:
		750	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);
		751	break;
		752	#endif
		753
		754	case REQ_DB_SYNC:
		755	req->result = req->db->sync (req->db, req->uint1);
		756	break;
		757
		758	case REQ_DB_VERIFY:
		759	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		760	break;
		761
		762	case REQ_DB_UPGRADE:
		763	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		764	break;
		765
		766	case REQ_DB_PUT:
		767	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		768	break;
		769
		770	#if DB_VERSION_MINOR >= 6
		771	case REQ_DB_EXISTS:
		772	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		773	break;
		774	#endif
		775	case REQ_DB_GET:
		776	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		777	break;
		778
		779	case REQ_DB_PGET:
		780	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		781	break;
		782
		783	case REQ_DB_DEL:
		784	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		785	break;
		786
		787	case REQ_DB_KEY_RANGE:
		788	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		789	break;
		790
		791	case REQ_TXN_COMMIT:
		792	req->result = req->txn->commit (req->txn, req->uint1);
		793	break;
		794
		795	case REQ_TXN_ABORT:
		796	req->result = req->txn->abort (req->txn);
		797	break;
		798
		799	case REQ_TXN_FINISH:
		800	if (req->txn->flags & TXN_DEADLOCK)
		801	{
		802	req->result = req->txn->abort (req->txn);
		803	if (!req->result)
		804	req->result = DB_LOCK_DEADLOCK;
		805	}
		806	else
		807	req->result = req->txn->commit (req->txn, req->uint1);
		808	break;
		809
		810	case REQ_C_CLOSE:
		811	req->result = req->dbc->c_close (req->dbc);
		812	break;
		813
		814	case REQ_C_COUNT:
		815	{
		816	db_recno_t recno;
		817	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		818	req->uv1 = recno;
		819	}
		820	break;
		821
		822	case REQ_C_PUT:
		823	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		824	break;
		825
		826	case REQ_C_GET:
		827	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		828	break;
		829
		830	case REQ_C_PGET:
		831	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		832	break;
		833
		834	case REQ_C_DEL:
		835	req->result = req->dbc->c_del (req->dbc, req->uint1);
		836	break;
		837
		838	#if DB_VERSION_MINOR >= 3
		839	case REQ_SEQ_OPEN:
		840	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		841	break;
		842
		843	case REQ_SEQ_CLOSE:
		844	req->result = req->seq->close (req->seq, req->uint1);
		845	break;
		846
		847	case REQ_SEQ_GET:
		848	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		849	break;
		850
		851	case REQ_SEQ_REMOVE:
		852	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		853	break;
		854	#endif
		855
		856	case REQ_ENV_LOG_ARCHIVE:
		857	{
		858	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		859	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		860	req->buf1 = (char *)listp;
		861	}
		862	break;
		863
		864	default:
		865	req->result = ENOSYS;
		866	break;
		867	}
		868
		869	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		870	req->txn->flags \|= TXN_DEADLOCK;
		871	}
		872
		873	X_THREAD_PROC (bdb_proc)
		874	{
584	aio_req req;	875	bdb_req req;
585	struct timespec ts;	876	struct timespec ts;
586	worker self = (worker )thr_arg;	877	worker self = (worker )thr_arg;
587		878
588	/* try to distribute timeouts somewhat evenly */	879	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	880	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		881
592	for (;;)	882	for (;;)
593	{	883	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	884	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		885
596	LOCK (reqlock);	886	X_LOCK (reqlock);
597		887
598	for (;;)	888	for (;;)
599	{	889	{
600	self->req = req = reqq_shift (&req_queue);	890	self->req = req = reqq_shift (&req_queue);
601		891
602	if (req)	892	if (req)
603	break;	893	break;
604		894
605	++idle;	895	++idle;
606		896
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	897	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	898	== ETIMEDOUT)
609	{	899	{
610	if (idle > max_idle)	900	if (idle > max_idle)
611	{	901	{
612	--idle;	902	--idle;
613	UNLOCK (reqlock);	903	X_UNLOCK (reqlock);
614	LOCK (wrklock);	904	X_LOCK (wrklock);
615	--started;	905	--started;
616	UNLOCK (wrklock);	906	X_UNLOCK (wrklock);
617	goto quit;	907	goto quit;
618	}	908	}
619		909
620	/* we are allowed to idle, so do so without any timeout */	910	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	911	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	912	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	913	}
624		914
625	--idle;	915	--idle;
626	}	916	}
627		917
628	--nready;	918	--nready;
629		919
630	UNLOCK (reqlock);	920	X_UNLOCK (reqlock);
631		921
632	switch (req->type)	922	if (req->type == REQ_QUIT)
633	{	923	{
634	case REQ_QUIT:	924	X_LOCK (reslock);
		925	free (req);
		926	self->req = 0;
		927	X_UNLOCK (reslock);
		928
635	goto quit;	929	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	}	930	}
717		931
		932	bdb_request (req);
		933
718	LOCK (reslock);	934	X_LOCK (reslock);
719		935
720	++npending;	936	++npending;
721		937
722	if (!reqq_push (&res_queue, req))	938	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	939	s_epipe_signal (&respipe);
724	write (respipe [1], &respipe, 1);
725		940
726	self->req = 0;	941	self->req = 0;
727	worker_clear (self);	942	worker_clear (self);
728		943
729	UNLOCK (reslock);	944	X_UNLOCK (reslock);
730	}	945	}
731		946
732	quit:	947	quit:
733	LOCK (wrklock);	948	X_LOCK (wrklock);
734	worker_free (self);	949	worker_free (self);
735	UNLOCK (wrklock);	950	X_UNLOCK (wrklock);
736		951
737	return 0;	952	return 0;
738	}	953	}
739		954
740	/*****************************************************************************/	955	/*****************************************************************************/
741		956
742	static void atfork_prepare (void)	957	static void atfork_prepare (void)
743	{	958	{
744	LOCK (wrklock);	959	X_LOCK (wrklock);
745	LOCK (reqlock);	960	X_LOCK (reqlock);
746	LOCK (reslock);	961	X_LOCK (reslock);
747	}	962	}
748		963
749	static void atfork_parent (void)	964	static void atfork_parent (void)
750	{	965	{
751	UNLOCK (reslock);	966	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	967	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	968	X_UNLOCK (wrklock);
754	}	969	}
755		970
756	static void atfork_child (void)	971	static void atfork_child (void)
757	{	972	{
758	aio_req prv;	973	bdb_req prv;
759		974
760	while (prv = reqq_shift (&req_queue))	975	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	976	req_free (prv);
762		977
763	while (prv = reqq_shift (&res_queue))	978	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	993	idle = 0;
779	nreqs = 0;	994	nreqs = 0;
780	nready = 0;	995	nready = 0;
781	npending = 0;	996	npending = 0;
782		997
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	998	create_respipe ();
786		999
787	atfork_parent ();	1000	atfork_parent ();
788	}	1001	}
789		1002
790	#define dREQ(reqtype) \	1003	#define dREQ(reqtype,rsvcnt) \
791	aio_req req; \	1004	bdb_req req; \
792	int req_pri = next_pri; \	1005	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	1006	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	1007	\
795	if (SvOK (callback) && !SvROK (callback)) \	1008	if (callback && SvOK (callback)) \
796	croak ("callback must be undef or of reference type"); \	1009	croak ("callback has illegal type or extra arguments"); \
797	\	1010	\
798	Newz (0, req, 1, aio_cb); \	1011	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	1012	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	1013	croak ("out of memory during bdb_req allocation"); \
801	\	1014	\
802	req->callback = newSVsv (callback); \	1015	req->callback = SvREFCNT_inc (cb); \
803	req->type = (reqtype); \	1016	req->type = (reqtype); \
804	req->pri = req_pri	1017	req->pri = req_pri; \
		1018	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1019	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1020	(void)0;
805		1021
806	#define REQ_SEND \	1022	#define REQ_SEND \
807	req_send (req)	1023	req_send (req)
808		1024
809	#define SvPTR(var, arg, type, class, nullok) \	1025	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	1026	if (!SvOK (arg)) \
811	{ \	1027	{ \
812	if (!nullok) \	1028	if (nullok != 1) \
813	croak (# var " must be a " # class " object, not undef"); \	1029	croak (# var " must be a " # class " object, not undef"); \
814	\	1030	\
815	(var) = 0; \	1031	(var) = 0; \
816	} \	1032	} \
817	else if (sv_derived_from ((arg), # class)) \	1033	else if (sv_derived_from ((arg), # class)) \
818	{ \	1034	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	1035	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	1036	(var) = INT2PTR (type, tmp); \
821	if (!var) \	1037	if (!var && nullok != 2) \
822	croak (# var " is not a valid " # class " object anymore"); \	1038	croak (# var " is not a valid " # class " object anymore"); \
823	} \	1039	} \
824	else \	1040	else \
825	croak (# var " is not of type " # class); \	1041	croak (# var " is not of type " # class);
826	\	1042
		1043	#define ARG_MUTABLE(name) \
		1044	if (SvREADONLY (name)) \
		1045	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
827		1046
828	static void	1047	static void
829	ptr_nuke (SV *sv)	1048	ptr_nuke (SV *sv)
830	{	1049	{
831	assert (SvROK (sv));	1050	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	1051	sv_setiv (SvRV (sv), 0);
833	}	1052	}
		1053
		1054	static int
		1055	errno_get (pTHX_ SV sv, MAGIC mg)
		1056	{
		1057	if (*mg->mg_ptr == '!') // should always be the case
		1058	if (-30999 <= errno && errno <= -30800)
		1059	{
		1060	sv_setnv (sv, (NV)errno);
		1061	sv_setpv (sv, db_strerror (errno));
		1062	SvNOK_on (sv); /* what a wonderful hack! */
		1063	// ^^^ copied from perl sources
		1064	return 0;
		1065	}
		1066
		1067	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1068	}
		1069
		1070	static MGVTBL vtbl_errno;
		1071
		1072	// this wonderful hack :( patches perl's $! variable to support our errno values
		1073	static void
		1074	patch_errno (void)
		1075	{
		1076	SV *sv;
		1077	MAGIC *mg;
		1078
		1079	if (!(sv = get_sv ("!", 1)))
		1080	return;
		1081
		1082	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1083	return;
		1084
		1085	if (mg->mg_virtual != &PL_vtbl_sv)
		1086	return;
		1087
		1088	vtbl_errno = PL_vtbl_sv;
		1089	vtbl_errno.svt_get = errno_get;
		1090	mg->mg_virtual = &vtbl_errno;
		1091	}
		1092
		1093	#if __GNUC__ >= 4
		1094	# define noinline __attribute__ ((noinline))
		1095	#else
		1096	# define noinline
		1097	#endif
		1098
		1099	static noinline SV *
		1100	pop_callback (I32 ritems, SV sv)
		1101	{
		1102	if (SvROK (sv))
		1103	{
		1104	HV *st;
		1105	GV *gvp;
		1106	CV *cv;
		1107	const char *name;
		1108
		1109	/* forgive me */
		1110	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1111	&& (st = SvSTASH (SvRV (sv)))
		1112	&& (name = HvNAME_get (st))
		1113	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1114	return 0;
		1115
		1116	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1117	{
		1118	--*ritems;
		1119	return (SV *)cv;
		1120	}
		1121	}
		1122
		1123	return 0;
		1124	}
		1125
		1126	/*****************************************************************************/
		1127
		1128	#if 0
		1129	static int
		1130	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1131	{
		1132	ssize_t size1 = dbt1->size;
		1133	ssize_t size2 = dbt2->size;
		1134	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1135	size1 <= size2 ? size1 : size2);
		1136
		1137	if (res)
		1138	return res;
		1139	else if (size1 - size2)
		1140	return size1 - size2;
		1141	else
		1142	return 0;
		1143	}
		1144
		1145	static size_t
		1146	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	u_int8_t p1 = (u_int8_t )dbt1->data;
		1151	u_int8_t p2 = (u_int8_t )dbt2->data;
		1152	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1153
		1154	while (p1 < pe)
		1155	if (p1++ != p2++)
		1156	return p1 - (u_int8_t *)dbt1->data - 1;
		1157
		1158	if (size1 < size2) return size1 + 1;
		1159	if (size1 > size2) return size2 + 1;
		1160
		1161	return size1;
		1162	}
		1163	#endif
		1164
		1165	/*****************************************************************************/
		1166
		1167	/* stupid windows defines CALLBACK as well */
		1168	#undef CALLBACK
		1169	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
834		1170
835	MODULE = BDB PACKAGE = BDB	1171	MODULE = BDB PACKAGE = BDB
836		1172
837	PROTOTYPES: ENABLE	1173	PROTOTYPES: ENABLE
838		1174
…		…
854	const_iv (INIT_TXN)	1190	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1191	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1192	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1193	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1194	const_iv (CREATE)
		1195	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1196	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1197	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1198	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1199	const_iv (PRIVATE)
863	const_iv (REGISTER)
864	const_iv (SYSTEM_MEM)	1200	const_iv (SYSTEM_MEM)
865	const_iv (AUTO_COMMIT)	1201	const_iv (AUTO_COMMIT)
866	const_iv (CDB_ALLDB)	1202	const_iv (CDB_ALLDB)
867	const_iv (DIRECT_DB)	1203	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)	1204	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1205	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1206	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1207	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1208	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1209	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1210	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1211	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1212	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1213	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1214	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1215	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1216	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1217	const_iv (XA_CREATE)
…		…
889	const_iv (HASH)	1219	const_iv (HASH)
890	const_iv (QUEUE)	1220	const_iv (QUEUE)
891	const_iv (RECNO)	1221	const_iv (RECNO)
892	const_iv (UNKNOWN)	1222	const_iv (UNKNOWN)
893	const_iv (EXCL)	1223	const_iv (EXCL)
894	const_iv (READ_COMMITTED)
895	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1224	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1225	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1226	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1227	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1228	const_iv (DUP)
902	const_iv (DUPSORT)	1229	const_iv (DUPSORT)
903	const_iv (RECNUM)	1230	//const_iv (RECNUM)
904	const_iv (RENUMBER)	1231	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1232	const_iv (REVSPLITOFF)
906	const_iv (INORDER)
907	const_iv (CONSUME)	1233	const_iv (CONSUME)
908	const_iv (CONSUME_WAIT)	1234	const_iv (CONSUME_WAIT)
909	const_iv (GET_BOTH)	1235	const_iv (GET_BOTH)
910	const_iv (GET_BOTH_RANGE)	1236	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1237	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1238	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1239	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1240	const_iv (JOIN_ITEM)
		1241	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1242	const_iv (RMW)
916		1243
917	const_iv (NOTFOUND)	1244	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1245	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1246	const_iv (LOCK_DEADLOCK)
920	const_iv (LOCK_NOTGRANTED)	1247	const_iv (LOCK_NOTGRANTED)
921	const_iv (RUNRECOVERY)	1248	const_iv (RUNRECOVERY)
922	const_iv (OLD_VERSION)	1249	const_iv (OLD_VERSION)
923	const_iv (REP_HANDLE_DEAD)	1250	const_iv (REP_HANDLE_DEAD)
924	const_iv (REP_LOCKOUT)
925	const_iv (SECONDARY_BAD)	1251	const_iv (SECONDARY_BAD)
926
927	const_iv (FREE_SPACE)
928	const_iv (FREELIST_ONLY)
929		1252
930	const_iv (APPEND)	1253	const_iv (APPEND)
931	const_iv (NODUPDATA)	1254	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1255	const_iv (NOOVERWRITE)
933		1256
934	const_iv (TXN_NOWAIT)	1257	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1258	const_iv (TXN_SYNC)
937		1259
938	const_iv (SET_LOCK_TIMEOUT)	1260	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1261	const_iv (SET_TXN_TIMEOUT)
940		1262
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1263	const_iv (FIRST)
943	const_iv (NEXT)	1264	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1265	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1266	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1267	const_iv (PREV)
…		…
952	const_iv (AFTER)	1273	const_iv (AFTER)
953	const_iv (CURRENT)	1274	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1275	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1276	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1277	const_iv (NODUPDATA)
		1278
		1279	const_iv (FORCE)
		1280
		1281	const_iv (LOCK_DEFAULT)
		1282	const_iv (LOCK_EXPIRE)
		1283	const_iv (LOCK_MAXLOCKS)
		1284	const_iv (LOCK_MINLOCKS)
		1285	const_iv (LOCK_MINWRITE)
		1286	const_iv (LOCK_OLDEST)
		1287	const_iv (LOCK_RANDOM)
		1288	const_iv (LOCK_YOUNGEST)
		1289
		1290	const_iv (DONOTINDEX)
		1291	const_iv (KEYEMPTY )
		1292	const_iv (KEYEXIST )
		1293	const_iv (LOCK_DEADLOCK)
		1294	const_iv (LOCK_NOTGRANTED)
		1295	const_iv (NOSERVER)
		1296	const_iv (NOSERVER_HOME)
		1297	const_iv (NOSERVER_ID)
		1298	const_iv (NOTFOUND)
		1299	const_iv (PAGE_NOTFOUND)
		1300	const_iv (REP_DUPMASTER)
		1301	const_iv (REP_HANDLE_DEAD)
		1302	const_iv (REP_HOLDELECTION)
		1303	const_iv (REP_ISPERM)
		1304	const_iv (REP_NEWMASTER)
		1305	const_iv (REP_NEWSITE)
		1306	const_iv (REP_NOTPERM)
		1307	const_iv (REP_UNAVAIL)
		1308	const_iv (RUNRECOVERY)
		1309	const_iv (SECONDARY_BAD)
		1310	const_iv (VERIFY_BAD)
		1311
		1312	const_iv (SALVAGE)
		1313	const_iv (AGGRESSIVE)
		1314	const_iv (PRINTABLE)
		1315	const_iv (NOORDERCHK)
		1316	const_iv (ORDERCHKONLY)
		1317
		1318	const_iv (ARCH_ABS)
		1319	const_iv (ARCH_DATA)
		1320	const_iv (ARCH_LOG)
		1321	const_iv (ARCH_REMOVE)
		1322
		1323	const_iv (VERB_DEADLOCK)
		1324	const_iv (VERB_RECOVERY)
		1325	const_iv (VERB_REPLICATION)
		1326	const_iv (VERB_WAITSFOR)
		1327
		1328	const_iv (VERSION_MAJOR)
		1329	const_iv (VERSION_MINOR)
		1330	const_iv (VERSION_PATCH)
		1331	#if DB_VERSION_MINOR >= 3
		1332	const_iv (INORDER)
		1333	const_iv (LOCK_MAXWRITE)
		1334	const_iv (SEQ_DEC)
		1335	const_iv (SEQ_INC)
		1336	const_iv (SEQ_WRAP)
		1337	const_iv (BUFFER_SMALL)
		1338	const_iv (LOG_BUFFER_FULL)
		1339	const_iv (VERSION_MISMATCH)
		1340	#endif
		1341	#if DB_VERSION_MINOR >= 4
		1342	const_iv (REGISTER)
		1343	const_iv (DSYNC_DB)
		1344	const_iv (READ_COMMITTED)
		1345	const_iv (READ_UNCOMMITTED)
		1346	const_iv (REP_IGNORE)
		1347	const_iv (REP_LOCKOUT)
		1348	const_iv (REP_JOIN_FAILURE)
		1349	const_iv (FREE_SPACE)
		1350	const_iv (FREELIST_ONLY)
		1351	const_iv (VERB_REGISTER)
		1352	#endif
		1353	#if DB_VERSION_MINOR >= 5
		1354	const_iv (MULTIVERSION)
		1355	const_iv (TXN_SNAPSHOT)
		1356	#endif
		1357	#if DB_VERSION_MINOR >= 6
		1358	const_iv (PREV_DUP)
		1359	const_iv (PRIORITY_UNCHANGED)
		1360	const_iv (PRIORITY_VERY_LOW)
		1361	const_iv (PRIORITY_LOW)
		1362	const_iv (PRIORITY_DEFAULT)
		1363	const_iv (PRIORITY_HIGH)
		1364	const_iv (PRIORITY_VERY_HIGH)
		1365	const_iv (IGNORE_LEASE)
		1366	#endif
		1367	#if DB_VERSION_MINOR >= 7
		1368	//const_iv (MULTIPLE_KEY)
		1369	const_iv (LOG_DIRECT)
		1370	const_iv (LOG_DSYNC)
		1371	const_iv (LOG_AUTO_REMOVE)
		1372	const_iv (LOG_IN_MEMORY)
		1373	const_iv (LOG_ZERO)
		1374	#else
		1375	const_iv (DIRECT_LOG)
		1376	const_iv (LOG_AUTOREMOVE)
		1377	# if DB_VERSION_MINOR >= 3
		1378	const_iv (DSYNC_LOG)
		1379	const_iv (LOG_INMEMORY)
		1380	# endif
		1381	#endif
957	};	1382	};
958		1383
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1384	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1385	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1386
962	create_pipe ();	1387	prepare_cb = &PL_sv_undef;
		1388
		1389	{
		1390	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1391	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1392
		1393	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1394	}
		1395
		1396	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1397
		1398	create_respipe ();
		1399
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1400	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1401	patch_errno ();
964	}	1402	}
965		1403
966	void	1404	void
967	max_poll_reqs (int nreqs)	1405	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1406	PROTOTYPE: $
…		…
1041		1479
1042	int	1480	int
1043	poll_fileno ()	1481	poll_fileno ()
1044	PROTOTYPE:	1482	PROTOTYPE:
1045	CODE:	1483	CODE:
1046	RETVAL = respipe [0];	1484	RETVAL = s_epipe_fd (&respipe);
1047	OUTPUT:	1485	OUTPUT:
1048	RETVAL	1486	RETVAL
1049		1487
1050	int	1488	int
1051	poll_cb (...)	1489	poll_cb (...)
…		…
1087		1525
1088	int	1526	int
1089	nthreads ()	1527	nthreads ()
1090	PROTOTYPE:	1528	PROTOTYPE:
1091	CODE:	1529	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1530	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1531	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1532	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1533	OUTPUT:
1096	RETVAL	1534	RETVAL
1097		1535
1098	void	1536	SV *
1099	set_sync_prepare (SV *cb)	1537	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1538	PROTOTYPE: &
1101	CODE:	1539	CODE:
1102	SvREFCNT_dec (prepare_cb);	1540	RETVAL = prepare_cb;
1103	prepare_cb = newSVsv (cb);	1541	prepare_cb = newSVsv (cb);
		1542	OUTPUT:
		1543	RETVAL
		1544
		1545	char *
		1546	strerror (int errorno = errno)
		1547	PROTOTYPE: ;$
		1548	CODE:
		1549	RETVAL = db_strerror (errorno);
		1550	OUTPUT:
		1551	RETVAL
		1552
		1553	void _on_next_submit (SV *cb)
		1554	CODE:
		1555	SvREFCNT_dec (on_next_submit);
		1556	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1104		1557
1105	DB_ENV *	1558	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1559	db_env_create (U32 env_flags = 0)
1107	CODE:	1560	CODE:
1108	{	1561	{
1109	errno = db_env_create (&RETVAL, env_flags);	1562	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1563	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1564	croak ("db_env_create: %s", db_strerror (errno));
		1565
		1566	if (0)
		1567	{
		1568	RETVAL->set_errcall (RETVAL, debug_errcall);
		1569	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1570	}
1112	}	1571	}
1113	OUTPUT:	1572	OUTPUT:
1114	RETVAL	1573	RETVAL
1115		1574
1116	void	1575	void
1117	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1576	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1577	PREINIT:
		1578	CALLBACK
1118	CODE:	1579	CODE:
1119	{	1580	{
1120	dREQ (REQ_ENV_OPEN);	1581	dREQ (REQ_ENV_OPEN, 1);
1121	req->env = env;	1582	req->env = env;
1122	req->uint1 = open_flags \| DB_THREAD;	1583	req->uint1 = open_flags \| DB_THREAD;
1123	req->int1 = mode;	1584	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1585	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1586	REQ_SEND;
1126	}	1587	}
1127		1588
1128	void	1589	void
1129	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1590	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1591	PREINIT:
		1592	CALLBACK
1130	CODE:	1593	CODE:
1131	{	1594	{
1132	dREQ (REQ_ENV_CLOSE);	1595	dREQ (REQ_ENV_CLOSE, 0);
		1596	ptr_nuke (ST (0));
1133	req->env = env;	1597	req->env = env;
1134	req->uint1 = flags;	1598	req->uint1 = flags;
1135	REQ_SEND;	1599	REQ_SEND;
1136	ptr_nuke (ST (0));	1600	}
		1601
		1602	void
		1603	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1604	PREINIT:
		1605	CALLBACK
		1606	CODE:
		1607	{
		1608	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1609	req->env = env;
		1610	req->uint1 = kbyte;
		1611	req->int1 = min;
		1612	req->uint2 = flags;
		1613	REQ_SEND;
		1614	}
		1615
		1616	void
		1617	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
		1620	CODE:
		1621	{
		1622	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1623	req->env = env;
		1624	req->uint1 = flags;
		1625	req->uint2 = atype;
		1626	/* req->int2 = 0; dummy */
		1627	REQ_SEND;
		1628	}
		1629
		1630	void
		1631	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1632	PREINIT:
		1633	CALLBACK
		1634	CODE:
		1635	{
		1636	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1637	req->env = env;
		1638	REQ_SEND;
		1639	}
		1640
		1641	void
		1642	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1643	PREINIT:
		1644	CALLBACK
		1645	CODE:
		1646	{
		1647	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1648	req->env = env;
		1649	req->int1 = percent;
		1650	REQ_SEND;
		1651	}
		1652
		1653	void
		1654	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1655	PREINIT:
		1656	CALLBACK
		1657	CODE:
		1658	{
		1659	dREQ (REQ_ENV_DBREMOVE, 2);
		1660	req->env = env;
		1661	req->buf1 = strdup_ornull (file);
		1662	req->buf2 = strdup_ornull (database);
		1663	req->uint1 = flags;
		1664	REQ_SEND;
		1665	}
		1666
		1667	void
		1668	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)
		1669	PREINIT:
		1670	CALLBACK
		1671	CODE:
		1672	{
		1673	dREQ (REQ_ENV_DBRENAME, 2);
		1674	req->env = env;
		1675	req->buf1 = strdup_ornull (file);
		1676	req->buf2 = strdup_ornull (database);
		1677	req->buf3 = strdup_ornull (newname);
		1678	req->uint1 = flags;
		1679	REQ_SEND;
		1680	}
		1681
		1682	void
		1683	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1684	PREINIT:
		1685	CALLBACK
		1686	CODE:
		1687	{
		1688	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1689	req->sv1 = SvREFCNT_inc (listp);
		1690	req->env = env;
		1691	req->uint1 = flags;
		1692	REQ_SEND;
1137	}	1693	}
1138		1694
1139	DB *	1695	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1696	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1697	CODE:
…		…
1149	}	1705	}
1150	OUTPUT:	1706	OUTPUT:
1151	RETVAL	1707	RETVAL
1152		1708
1153	void	1709	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)	1710	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1711	PREINIT:
		1712	CALLBACK
1155	CODE:	1713	CODE:
1156	{	1714	{
1157	dREQ (REQ_DB_OPEN);	1715	dREQ (REQ_DB_OPEN, 2);
1158	req->db = db;	1716	req->db = db;
1159	req->txn = txnid;	1717	req->txn = txnid;
1160	req->buf1 = strdup_ornull (file);	1718	req->buf1 = strdup_ornull (file);
1161	req->buf2 = strdup_ornull (database);	1719	req->buf2 = strdup_ornull (database);
1162	req->int1 = type;	1720	req->int1 = type;
…		…
1164	req->int2 = mode;	1722	req->int2 = mode;
1165	REQ_SEND;	1723	REQ_SEND;
1166	}	1724	}
1167		1725
1168	void	1726	void
1169	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1727	db_close (DB db, U32 flags = 0, SV callback = 0)
		1728	PREINIT:
		1729	CALLBACK
1170	CODE:	1730	CODE:
1171	{	1731	{
1172	dREQ (REQ_DB_CLOSE);	1732	dREQ (REQ_DB_CLOSE, 0);
		1733	ptr_nuke (ST (0));
1173	req->db = db;	1734	req->db = db;
1174	req->uint1 = flags;	1735	req->uint1 = flags;
1175	req->sv1 = (SV *)db->app_private;	1736	req->sv1 = (SV *)db->app_private;
1176	REQ_SEND;	1737	REQ_SEND;
1177	ptr_nuke (ST (0));
1178	}	1738	}
1179		1739
		1740	#if DB_VERSION_MINOR >= 4
		1741
1180	void	1742	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)	1743	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)
		1744	PREINIT:
		1745	CALLBACK
1182	CODE:	1746	CODE:
1183	{	1747	{
1184	dREQ (REQ_DB_COMPACT);	1748	dREQ (REQ_DB_COMPACT, 2);
1185	req->db = db;	1749	req->db = db;
1186	req->txn = txn;	1750	req->txn = txn;
1187	sv_to_dbt (&req->dbt1, start);	1751	if (start) sv_to_dbt (&req->dbt1, start);
1188	sv_to_dbt (&req->dbt2, stop);	1752	if (stop ) sv_to_dbt (&req->dbt2, stop );
1189	req->uint1 = flags;	1753	req->uint1 = flags;
1190	REQ_SEND;	1754	REQ_SEND;
1191	}	1755	}
1192		1756
		1757	#endif
		1758
1193	void	1759	void
1194	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1760	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1761	PREINIT:
		1762	CALLBACK
1195	CODE:	1763	CODE:
1196	{	1764	{
1197	dREQ (REQ_DB_SYNC);	1765	dREQ (REQ_DB_SYNC, 1);
1198	req->db = db;	1766	req->db = db;
1199	req->uint1 = flags;	1767	req->uint1 = flags;
1200	REQ_SEND;	1768	REQ_SEND;
1201	}	1769	}
1202		1770
1203	void	1771	void
		1772	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1773	PREINIT:
		1774	CALLBACK
		1775	CODE:
		1776	{
		1777	dREQ (REQ_DB_VERIFY, 1);
		1778	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1779	req->db = db;
		1780	req->buf1 = strdup (file);
		1781	req->buf2 = strdup_ornull (database);
		1782	req->uint1 = flags;
		1783	REQ_SEND;
		1784	}
		1785
		1786	void
		1787	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1788	PREINIT:
		1789	CALLBACK
		1790	CODE:
		1791	{
		1792	dREQ (REQ_DB_UPGRADE, 1);
		1793	req->db = db;
		1794	req->buf1 = strdup (file);
		1795	req->uint1 = flags;
		1796	REQ_SEND;
		1797	}
		1798
		1799	void
		1800	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1801	PREINIT:
		1802	CALLBACK
		1803	CODE:
		1804	{
		1805	dREQ (REQ_DB_KEY_RANGE, 2);
		1806	req->db = db;
		1807	req->txn = txn;
		1808	sv_to_dbt (&req->dbt1, key);
		1809	req->uint1 = flags;
		1810	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1811	REQ_SEND;
		1812	}
		1813
		1814	void
1204	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1815	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1816	PREINIT:
		1817	CALLBACK
1205	CODE:	1818	CODE:
1206	{	1819	{
1207	dREQ (REQ_DB_PUT);	1820	dREQ (REQ_DB_PUT, 2);
1208	req->db = db;	1821	req->db = db;
1209	req->txn = txn;	1822	req->txn = txn;
1210	sv_to_dbt (&req->dbt1, key);	1823	sv_to_dbt (&req->dbt1, key);
1211	sv_to_dbt (&req->dbt2, data);	1824	sv_to_dbt (&req->dbt2, data);
1212	req->uint1 = flags;	1825	req->uint1 = flags;
1213	REQ_SEND;	1826	REQ_SEND;
1214	}	1827	}
1215		1828
		1829	#if DB_VERSION_MINOR >= 6
		1830
1216	void	1831	void
		1832	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1833	PREINIT:
		1834	CALLBACK
		1835	CODE:
		1836	{
		1837	dREQ (REQ_DB_EXISTS, 2);
		1838	req->db = db;
		1839	req->txn = txn;
		1840	req->uint1 = flags;
		1841	sv_to_dbt (&req->dbt1, key);
		1842	REQ_SEND;
		1843	}
		1844
		1845	#endif
		1846
		1847	void
1217	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1848	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1849	PREINIT:
		1850	CALLBACK
1218	CODE:	1851	CODE:
1219	{	1852	{
		1853	//TODO: key is somtimesmutable
1220	dREQ (REQ_DB_GET);	1854	dREQ (REQ_DB_GET, 2);
1221	req->db = db;	1855	req->db = db;
1222	req->txn = txn;	1856	req->txn = txn;
1223	req->uint1 = flags;	1857	req->uint1 = flags;
1224	sv_to_dbt (&req->dbt1, key);	1858	sv_to_dbt (&req->dbt1, key);
1225	req->dbt3.flags = DB_DBT_MALLOC;	1859	req->dbt3.flags = DB_DBT_MALLOC;
1226	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1860	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1227	REQ_SEND;	1861	REQ_SEND;
1228	}	1862	}
1229		1863
1230	void	1864	void
1231	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1865	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1866	PREINIT:
		1867	CALLBACK
1232	CODE:	1868	CODE:
1233	{	1869	{
		1870	//TODO: key is somtimesmutable
1234	dREQ (REQ_DB_PGET);	1871	dREQ (REQ_DB_PGET, 2);
		1872	req->db = db;
		1873	req->txn = txn;
		1874	req->uint1 = flags;
		1875
		1876	sv_to_dbt (&req->dbt1, key);
		1877
		1878	req->dbt2.flags = DB_DBT_MALLOC;
		1879	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1880
		1881	req->dbt3.flags = DB_DBT_MALLOC;
		1882	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1883	REQ_SEND;
		1884	}
		1885
		1886	void
		1887	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1888	PREINIT:
		1889	CALLBACK
		1890	CODE:
		1891	{
		1892	dREQ (REQ_DB_DEL, 2);
1235	req->db = db;	1893	req->db = db;
1236	req->txn = txn;	1894	req->txn = txn;
1237	req->uint1 = flags;	1895	req->uint1 = flags;
1238	sv_to_dbt (&req->dbt1, key);	1896	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;	1897	REQ_SEND;
1243	}	1898	}
1244		1899
1245	void	1900	void
1246	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1901	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1902	PREINIT:
		1903	CALLBACK
1247	CODE:	1904	CODE:
1248	{	1905	{
1249	dREQ (REQ_DB_DEL);	1906	dREQ (REQ_TXN_COMMIT, 0);
1250	req->db = db;	1907	ptr_nuke (ST (0));
1251	req->txn = txn;	1908	req->txn = txn;
1252	req->uint1 = flags;	1909	req->uint1 = flags;
1253	sv_to_dbt (&req->dbt1, key);
1254	REQ_SEND;	1910	REQ_SEND;
1255	}	1911	}
1256		1912
1257	void	1913	void
1258	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1914	db_txn_abort (DB_TXN txn, SV callback = 0)
		1915	PREINIT:
		1916	CALLBACK
1259	CODE:	1917	CODE:
1260	{	1918	{
1261	dREQ (REQ_TXN_COMMIT);	1919	dREQ (REQ_TXN_ABORT, 0);
		1920	ptr_nuke (ST (0));
		1921	req->txn = txn;
		1922	REQ_SEND;
		1923	}
		1924
		1925	void
		1926	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1927	PREINIT:
		1928	CALLBACK
		1929	CODE:
		1930	{
		1931	dREQ (REQ_TXN_FINISH, 0);
		1932	ptr_nuke (ST (0));
1262	req->txn = txn;	1933	req->txn = txn;
1263	req->uint1 = flags;	1934	req->uint1 = flags;
1264	REQ_SEND;	1935	REQ_SEND;
		1936	}
		1937
		1938	void
		1939	db_c_close (DBC dbc, SV callback = 0)
		1940	PREINIT:
		1941	CALLBACK
		1942	CODE:
		1943	{
		1944	dREQ (REQ_C_CLOSE, 0);
1265	ptr_nuke (ST (0));	1945	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;	1946	req->dbc = dbc;
1284	REQ_SEND;	1947	REQ_SEND;
1285	ptr_nuke (ST (0));
1286	}	1948	}
1287		1949
1288	void	1950	void
1289	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	1951	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		1952	PREINIT:
		1953	CALLBACK
1290	CODE:	1954	CODE:
1291	{	1955	{
1292	dREQ (REQ_C_COUNT);	1956	dREQ (REQ_C_COUNT, 1);
1293	req->dbc = dbc;	1957	req->dbc = dbc;
1294	req->sv1 = SvREFCNT_inc (count);	1958	req->sv1 = SvREFCNT_inc (count);
1295	REQ_SEND;	1959	REQ_SEND;
1296	}	1960	}
1297		1961
1298	void	1962	void
1299	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1963	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		1964	PREINIT:
		1965	CALLBACK
1300	CODE:	1966	CODE:
1301	{	1967	{
1302	dREQ (REQ_C_PUT);	1968	dREQ (REQ_C_PUT, 1);
1303	req->dbc = dbc;	1969	req->dbc = dbc;
1304	sv_to_dbt (&req->dbt1, key);	1970	sv_to_dbt (&req->dbt1, key);
1305	sv_to_dbt (&req->dbt2, data);	1971	sv_to_dbt (&req->dbt2, data);
1306	req->uint1 = flags;	1972	req->uint1 = flags;
1307	REQ_SEND;	1973	REQ_SEND;
1308	}	1974	}
1309		1975
1310	void	1976	void
1311	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1977	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		1978	PREINIT:
		1979	CALLBACK
1312	CODE:	1980	CODE:
1313	{	1981	{
		1982	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1983	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1984	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1985	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1986	"key",
		1987	"BDB::db_c_get");
		1988
		1989	{
1314	dREQ (REQ_C_GET);	1990	dREQ (REQ_C_GET, 1);
		1991	req->dbc = dbc;
		1992	req->uint1 = flags;
		1993	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1994	sv_to_dbt (&req->dbt1, key);
		1995	else
		1996	{
		1997	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1998	sv_to_dbt (&req->dbt1, key);
		1999	else
		2000	req->dbt1.flags = DB_DBT_MALLOC;
		2001
		2002	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2003	}
		2004
		2005	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2006	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2007	sv_to_dbt (&req->dbt3, data);
		2008	else
		2009	req->dbt3.flags = DB_DBT_MALLOC;
		2010
		2011	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2012	REQ_SEND;
		2013	}
		2014	}
		2015
		2016	void
		2017	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		2018	PREINIT:
		2019	CALLBACK
		2020	CODE:
		2021	{
		2022	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2023	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2024	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2025	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2026	"key",
		2027	"BDB::db_c_pget");
		2028
		2029	{
		2030	dREQ (REQ_C_PGET, 1);
		2031	req->dbc = dbc;
		2032	req->uint1 = flags;
		2033	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2034	sv_to_dbt (&req->dbt1, key);
		2035	else
		2036	{
		2037	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2038	sv_to_dbt (&req->dbt1, key);
		2039	else
		2040	req->dbt1.flags = DB_DBT_MALLOC;
		2041
		2042	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2043	}
		2044
		2045	req->dbt2.flags = DB_DBT_MALLOC;
		2046	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2047
		2048	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2049	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2050	sv_to_dbt (&req->dbt3, data);
		2051	else
		2052	req->dbt3.flags = DB_DBT_MALLOC;
		2053
		2054	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2055	REQ_SEND;
		2056	}
		2057	}
		2058
		2059	void
		2060	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2061	PREINIT:
		2062	CALLBACK
		2063	CODE:
		2064	{
		2065	dREQ (REQ_C_DEL, 1);
1315	req->dbc = dbc;	2066	req->dbc = dbc;
1316	req->uint1 = flags;	2067	req->uint1 = flags;
1317	if ((flags & DB_SET) == DB_SET	2068	REQ_SEND;
1318	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)	2069	}
		2070
		2071
		2072	#if DB_VERSION_MINOR >= 3
		2073
		2074	void
		2075	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2076	PREINIT:
		2077	CALLBACK
		2078	CODE:
		2079	{
		2080	dREQ (REQ_SEQ_OPEN, 2);
		2081	req->seq = seq;
		2082	req->txn = txnid;
		2083	req->uint1 = flags \| DB_THREAD;
1319	sv_to_dbt (&req->dbt1, key);	2084	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;	2085	REQ_SEND;
1333	}	2086	}
1334		2087
1335	void	2088	void
1336	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	2089	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2090	PREINIT:
		2091	CALLBACK
1337	CODE:	2092	CODE:
1338	{	2093	{
1339	dREQ (REQ_C_PGET);	2094	dREQ (REQ_SEQ_CLOSE, 0);
		2095	ptr_nuke (ST (0));
1340	req->dbc = dbc;	2096	req->seq = seq;
1341	req->uint1 = flags;	2097	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;	2098	REQ_SEND;
1361	}	2099	}
1362		2100
1363	void	2101	void
1364	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)	2102	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2103	PREINIT:
		2104	CALLBACK
1365	CODE:	2105	CODE:
1366	{	2106	{
1367	dREQ (REQ_C_DEL);	2107	dREQ (REQ_SEQ_GET, 2);
1368	req->dbc = dbc;	2108	req->seq = seq;
		2109	req->txn = txnid;
		2110	req->int1 = delta;
1369	req->uint1 = flags;	2111	req->uint1 = flags;
		2112	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1370	REQ_SEND;	2113	REQ_SEND;
1371	}	2114	}
		2115
		2116	void
		2117	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2118	PREINIT:
		2119	CALLBACK
		2120	CODE:
		2121	{
		2122	dREQ (REQ_SEQ_REMOVE, 2);
		2123	req->seq = seq;
		2124	req->txn = txnid;
		2125	req->uint1 = flags;
		2126	REQ_SEND;
		2127	}
		2128
		2129	#endif
1372		2130
1373		2131
1374	MODULE = BDB PACKAGE = BDB::Env	2132	MODULE = BDB PACKAGE = BDB::Env
1375		2133
1376	void	2134	void
1377	DESTROY (DB_ENV_ornull *env)	2135	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	2136	CODE:
1379	if (env)	2137	if (env)
1380	env->close (env, 0);	2138	env->close (env, 0);
1381		2139
		2140	int set_data_dir (DB_ENV env, const char dir)
		2141	CODE:
		2142	RETVAL = env->set_data_dir (env, dir);
		2143	OUTPUT:
		2144	RETVAL
		2145
		2146	int set_tmp_dir (DB_ENV env, const char dir)
		2147	CODE:
		2148	RETVAL = env->set_tmp_dir (env, dir);
		2149	OUTPUT:
		2150	RETVAL
		2151
		2152	int set_lg_dir (DB_ENV env, const char dir)
		2153	CODE:
		2154	RETVAL = env->set_lg_dir (env, dir);
		2155	OUTPUT:
		2156	RETVAL
		2157
		2158	int set_shm_key (DB_ENV *env, long shm_key)
		2159	CODE:
		2160	RETVAL = env->set_shm_key (env, shm_key);
		2161	OUTPUT:
		2162	RETVAL
		2163
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2164	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	2165	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2166	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	2167	OUTPUT:
1386	RETVAL	2168	RETVAL
1387		2169
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	2170	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	2171	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	2172	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	2173	OUTPUT:
1392	RETVAL	2174	RETVAL
1393		2175
		2176	#if DB_VERSION_MINOR >= 7
		2177
		2178	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2179	CODE:
		2180	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2181	OUTPUT:
		2182	RETVAL
		2183
		2184	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2185	CODE:
		2186	RETVAL = env->log_set_config (env, flags, onoff);
		2187	OUTPUT:
		2188	RETVAL
		2189
		2190	#endif
		2191
		2192
		2193	void set_errfile (DB_ENV env, FILE errfile = 0)
		2194	CODE:
		2195	env->set_errfile (env, errfile);
		2196
		2197	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		2198	CODE:
		2199	env->set_msgfile (env, msgfile);
		2200
		2201	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2202	CODE:
		2203	RETVAL = env->set_verbose (env, which, onoff);
		2204	OUTPUT:
		2205	RETVAL
		2206
1394	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	2207	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1395	CODE:	2208	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	2209	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	2210	OUTPUT:
1398	RETVAL	2211	RETVAL
1399		2212
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2213	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	2214	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2215	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	2216	OUTPUT:
1404	RETVAL	2217	RETVAL
		2218
		2219	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2220	CODE:
		2221	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2222	OUTPUT:
		2223	RETVAL
		2224
		2225	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2226	CODE:
		2227	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2228	OUTPUT:
		2229	RETVAL
		2230
		2231	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2232	CODE:
		2233	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2234	OUTPUT:
		2235	RETVAL
		2236
		2237	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2238	CODE:
		2239	RETVAL = env->set_lk_detect (env, detect);
		2240	OUTPUT:
		2241	RETVAL
		2242
		2243	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2244	CODE:
		2245	RETVAL = env->set_lk_max_lockers (env, max);
		2246	OUTPUT:
		2247	RETVAL
		2248
		2249	int set_lk_max_locks (DB_ENV *env, U32 max)
		2250	CODE:
		2251	RETVAL = env->set_lk_max_locks (env, max);
		2252	OUTPUT:
		2253	RETVAL
		2254
		2255	int set_lk_max_objects (DB_ENV *env, U32 max)
		2256	CODE:
		2257	RETVAL = env->set_lk_max_objects (env, max);
		2258	OUTPUT:
		2259	RETVAL
		2260
		2261	int set_lg_bsize (DB_ENV *env, U32 max)
		2262	CODE:
		2263	RETVAL = env->set_lg_bsize (env, max);
		2264	OUTPUT:
		2265	RETVAL
		2266
		2267	int set_lg_max (DB_ENV *env, U32 max)
		2268	CODE:
		2269	RETVAL = env->set_lg_max (env, max);
		2270	OUTPUT:
		2271	RETVAL
		2272
		2273	#if DB_VERSION_MINOR >= 4
		2274
		2275	int mutex_set_max (DB_ENV *env, U32 max)
		2276	CODE:
		2277	RETVAL = env->mutex_set_max (env, max);
		2278	OUTPUT:
		2279	RETVAL
		2280
		2281	int mutex_set_increment (DB_ENV *env, U32 increment)
		2282	CODE:
		2283	RETVAL = env->mutex_set_increment (env, increment);
		2284	OUTPUT:
		2285	RETVAL
		2286
		2287	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2288	CODE:
		2289	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2290	OUTPUT:
		2291	RETVAL
		2292
		2293	int mutex_set_align (DB_ENV *env, U32 align)
		2294	CODE:
		2295	RETVAL = env->mutex_set_align (env, align);
		2296	OUTPUT:
		2297	RETVAL
		2298
		2299	#endif
1405		2300
1406	DB_TXN *	2301	DB_TXN *
1407	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2302	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1408	CODE:	2303	CODE:
1409	errno = env->txn_begin (env, parent, &RETVAL, flags);	2304	errno = env->txn_begin (env, parent, &RETVAL, flags);
1410	if (errno)	2305	if (errno)
1411	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2306	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1412	OUTPUT:	2307	OUTPUT:
1413	RETVAL	2308	RETVAL
1414		2309
		2310	#if DB_VERSION_MINOR >= 5
		2311
		2312	DB_TXN *
		2313	cdsgroup_begin (DB_ENV *env)
		2314	CODE:
		2315	errno = env->cdsgroup_begin (env, &RETVAL);
		2316	if (errno)
		2317	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2318	OUTPUT:
		2319	RETVAL
		2320
		2321	#endif
		2322
1415	MODULE = BDB PACKAGE = BDB::Db	2323	MODULE = BDB PACKAGE = BDB::Db
1416		2324
1417	void	2325	void
1418	DESTROY (DB_ornull *db)	2326	DESTROY (DB_ornuked *db)
1419	CODE:	2327	CODE:
1420	if (db)	2328	if (db)
1421	{	2329	{
1422	SV env = (SV )db->app_private;	2330	SV env = (SV )db->app_private;
1423	db->close (db, 0);	2331	db->close (db, 0);
…		…
1428	CODE:	2336	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2337	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	2338	OUTPUT:
1431	RETVAL	2339	RETVAL
1432		2340
		2341	int set_pagesize (DB *db, U32 pagesize)
		2342	CODE:
		2343	RETVAL = db->set_pagesize (db, pagesize);
		2344	OUTPUT:
		2345	RETVAL
		2346
1433	int set_flags (DB *db, U32 flags);	2347	int set_flags (DB *db, U32 flags)
1434	CODE:	2348	CODE:
1435	RETVAL = db->set_flags (db, flags);	2349	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	2350	OUTPUT:
1437	RETVAL	2351	RETVAL
1438		2352
…		…
1446	CODE:	2360	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	2361	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	2362	OUTPUT:
1449	RETVAL	2363	RETVAL
1450		2364
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	2365	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	2366	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	2367	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	2368	OUTPUT:
1456	RETVAL	2369	RETVAL
1457		2370
1458	int set_re_delim(DB *db, int delim);	2371	int set_re_delim (DB *db, int delim)
1459	CODE:	2372	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	2373	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	2374	OUTPUT:
1462	RETVAL	2375	RETVAL
1463		2376
…		…
1504	if (errno)	2417	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2418	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2419	OUTPUT:
1507	RETVAL	2420	RETVAL
1508		2421
		2422	#if DB_VERSION_MINOR >= 3
		2423
		2424	DB_SEQUENCE *
		2425	sequence (DB *db, U32 flags = 0)
		2426	CODE:
		2427	{
		2428	errno = db_sequence_create (&RETVAL, db, flags);
		2429	if (errno)
		2430	croak ("db_sequence_create: %s", db_strerror (errno));
		2431	}
		2432	OUTPUT:
		2433	RETVAL
		2434
		2435	#endif
		2436
1509		2437
1510	MODULE = BDB PACKAGE = BDB::Txn	2438	MODULE = BDB PACKAGE = BDB::Txn
1511		2439
1512	void	2440	void
1513	DESTROY (DB_TXN_ornull *txn)	2441	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2442	CODE:
1515	if (txn)	2443	if (txn)
1516	txn->abort (txn);	2444	txn->abort (txn);
1517		2445
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2446	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2447	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2448	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2449	OUTPUT:
1522	RETVAL	2450	RETVAL
1523		2451
		2452	int failed (DB_TXN *txn)
		2453	CODE:
		2454	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2455	OUTPUT:
		2456	RETVAL
		2457
1524		2458
1525	MODULE = BDB PACKAGE = BDB::Cursor	2459	MODULE = BDB PACKAGE = BDB::Cursor
1526		2460
1527	void	2461	void
1528	DESTROY (DBC_ornull *dbc)	2462	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2463	CODE:
1530	if (dbc)	2464	if (dbc)
1531	dbc->c_close (dbc);	2465	dbc->c_close (dbc);
1532		2466
		2467	#if DB_VERSION_MINOR >= 6
		2468
		2469	int set_priority (DBC *dbc, int priority)
		2470	CODE:
		2471	dbc->set_priority (dbc, priority);
		2472
		2473	#endif
		2474
		2475	#if DB_VERSION_MINOR >= 3
		2476
		2477	MODULE = BDB PACKAGE = BDB::Sequence
		2478
		2479	void
		2480	DESTROY (DB_SEQUENCE_ornuked *seq)
		2481	CODE:
		2482	if (seq)
		2483	seq->close (seq, 0);
		2484
		2485	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2486	CODE:
		2487	RETVAL = seq->initial_value (seq, value);
		2488	OUTPUT:
		2489	RETVAL
		2490
		2491	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2492	CODE:
		2493	RETVAL = seq->set_cachesize (seq, size);
		2494	OUTPUT:
		2495	RETVAL
		2496
		2497	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2498	CODE:
		2499	RETVAL = seq->set_flags (seq, flags);
		2500	OUTPUT:
		2501	RETVAL
		2502
		2503	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2504	CODE:
		2505	RETVAL = seq->set_range (seq, min, max);
		2506	OUTPUT:
		2507	RETVAL
		2508
		2509	#endif
		2510
		2511

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Comparing BDB/BDB.xs (file contents): Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs. Revision 1.69 by root, Wed Jul 15 14:40:00 2009 UTC

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Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.69 by root, Wed Jul 15 14:40:00 2009 UTC