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

Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.72 by root, Fri Dec 4 15:04:06 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>
29		35
30	#if DB_VERSION_MAJOR < 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	36	#if DB_VERSION_MAJOR != 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
31	# error you need Berkeley DB 4.5 or newer installed	37	# error you need Berkeley DB 4.3 or a newer 4.x version installed
32	#endif	38	#endif
33		39
34	/* number of seconds after which idle threads exit */	40	/* number of seconds after which idle threads exit */
35	#define IDLE_TIMEOUT 10	41	#define IDLE_TIMEOUT 10
36		42
37	/* wether word reads are potentially non-atomic.	43	typedef SV SV_mutable;
38	* this is conservatice, likely most arches this runs
39	* on have atomic word read/writes.
40	*/
41	#ifndef WORDACCESS_UNSAFE
42	# if __i386 \|\| __x86_64
43	# define WORDACCESS_UNSAFE 0
44	# else
45	# define WORDACCESS_UNSAFE 1
46	# endif
47	#endif
48		44
49	typedef DB_ENV DB_ENV_ornull;	45	typedef DB_ENV DB_ENV_ornull;
50	typedef DB_TXN DB_TXN_ornull;	46	typedef DB_TXN DB_TXN_ornull;
51	typedef DBC DBC_ornull;	47	typedef DBC DBC_ornull;
52	typedef DB DB_ornull;	48	typedef DB DB_ornull;
		49
		50	typedef DB_ENV DB_ENV_ornuked;
		51	typedef DB_TXN DB_TXN_ornuked;
		52	typedef DBC DBC_ornuked;
		53	typedef DB DB_ornuked;
		54
		55	#if DB_VERSION_MINOR >= 3
53	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	56	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		57	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		58	#endif
54		59
55	typedef SV SV8; /* byte-sv, used for argument-checking */	60	typedef char *bdb_filename;
56	typedef char *octetstring;
57		61
58	static SV *prepare_cb;	62	static SV *prepare_cb;
59		63
		64	static HV
		65	*bdb_stash,
		66	*bdb_env_stash,
		67	*bdb_txn_stash,
		68	*bdb_cursor_stash,
		69	*bdb_db_stash,
		70	*bdb_sequence_stash;
		71
		72	#if DB_VERSION_MINOR >= 6
		73	# define c_close close
		74	# define c_count count
		75	# define c_del del
		76	# define c_dup dup
		77	# define c_get get
		78	# define c_pget pget
		79	# define c_put put
		80	#endif
		81
60	static inline char *	82	static char *
		83	get_bdb_filename (SV *sv)
		84	{
		85	if (!SvOK (sv))
		86	return 0;
		87
		88	#if _WIN32
		89	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		90	{
		91	STRLEN len;
		92	char *src = SvPVbyte (sv, len);
		93	SV *t1 = sv_newmortal ();
		94	SV *t2 = sv_newmortal ();
		95
		96	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		97	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		98
		99	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		100	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		101	SvPOK_only (t2);
		102	SvPVX (t2)[len] = 0;
		103	SvCUR_set (t2, len);
		104
		105	return SvPVX (t2);
		106	}
		107	#else
		108	return SvPVbyte_nolen (sv);
		109	#endif
		110	}
		111
		112	static void
		113	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		114	{
		115	printf ("err[%s]\n", msg);
		116	}
		117
		118	static void
		119	debug_msgcall (const DB_ENV dbenv, const char msg)
		120	{
		121	printf ("msg[%s]\n", msg);
		122	}
		123
		124	static char *
61	strdup_ornull (const char *s)	125	strdup_ornull (const char *s)
62	{	126	{
63	return s ? strdup (s) : 0;	127	return s ? strdup (s) : 0;
64	}	128	}
65		129
66	static inline void	130	static void
67	sv_to_dbt (DBT dbt, SV sv)	131	sv_to_dbt (DBT dbt, SV sv)
68	{	132	{
69	STRLEN len;	133	STRLEN len;
70	char *data = SvPVbyte (sv, len);	134	char *data = SvPVbyte (sv, len);
71		135
73	memcpy (dbt->data, data, len);	137	memcpy (dbt->data, data, len);
74	dbt->size = len;	138	dbt->size = len;
75	dbt->flags = DB_DBT_REALLOC;	139	dbt->flags = DB_DBT_REALLOC;
76	}	140	}
77		141
78	static inline void	142	static void
79	dbt_to_sv (SV sv, DBT dbt)	143	dbt_to_sv (SV sv, DBT dbt)
80	{	144	{
81	if (sv)	145	if (sv)
82	{	146	{
83	SvREADONLY_off (sv);	147	SvREADONLY_off (sv);
		148
		149	if (dbt->data)
84	sv_setpvn_mg (sv, dbt->data, dbt->size);	150	sv_setpvn_mg (sv, dbt->data, dbt->size);
		151	else
		152	sv_setsv_mg (sv, &PL_sv_undef);
		153
85	SvREFCNT_dec (sv);	154	SvREFCNT_dec (sv);
86	}	155	}
87		156
88	free (dbt->data);	157	free (dbt->data);
89	}	158	}
90		159
91	enum {	160	enum {
92	REQ_QUIT,	161	REQ_QUIT,
93	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	162	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
94	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	163	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		164	REQ_ENV_LOG_ARCHIVE,
95	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	165	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
96	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	166	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97	REQ_TXN_COMMIT, REQ_TXN_ABORT,	167	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
98	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	168	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
99	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	169	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100	};	170	};
101		171
102	typedef struct aio_cb	172	typedef struct bdb_cb
103	{	173	{
104	struct aio_cb *volatile next;	174	struct bdb_cb *volatile next;
105	SV *callback;	175	SV *callback;
106	int type, pri, result;	176	int type, pri, result;
107		177
108	DB_ENV *env;	178	DB_ENV *env;
109	DB *db;	179	DB *db;
…		…
111	DBC *dbc;	181	DBC *dbc;
112		182
113	UV uv1;	183	UV uv1;
114	int int1, int2;	184	int int1, int2;
115	U32 uint1, uint2;	185	U32 uint1, uint2;
116	char buf1, buf2;	186	char buf1, buf2, *buf3;
117	SV sv1, sv2, *sv3;	187	SV sv1, sv2, *sv3;
118		188
119	DBT dbt1, dbt2, dbt3;	189	DBT dbt1, dbt2, dbt3;
120	DB_KEY_RANGE key_range;	190	DB_KEY_RANGE key_range;
		191	#if DB_VERSION_MINOR >= 3
121	DB_SEQUENCE *seq;	192	DB_SEQUENCE *seq;
122	db_seq_t seq_t;	193	db_seq_t seq_t;
123	} aio_cb;	194	#endif
124		195
		196	SV rsv1, rsv2; // keep some request objects alive
		197	} bdb_cb;
		198
125	typedef aio_cb *aio_req;	199	typedef bdb_cb *bdb_req;
126		200
127	enum {	201	enum {
128	PRI_MIN = -4,	202	PRI_MIN = -4,
129	PRI_MAX = 4,	203	PRI_MAX = 4,
130		204
…		…
133	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	207	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
134	};	208	};
135		209
136	#define AIO_TICKS ((1000000 + 1023) >> 10)	210	#define AIO_TICKS ((1000000 + 1023) >> 10)
137		211
		212	static SV *on_next_submit;
		213
138	static unsigned int max_poll_time = 0;	214	static unsigned int max_poll_time = 0;
139	static unsigned int max_poll_reqs = 0;	215	static unsigned int max_poll_reqs = 0;
140		216
141	/* calculcate time difference in ~1/AIO_TICKS of a second */	217	/* calculcate time difference in ~1/AIO_TICKS of a second */
142	static int tvdiff (struct timeval tv1, struct timeval tv2)	218	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
147		223
148	static int next_pri = DEFAULT_PRI + PRI_BIAS;	224	static int next_pri = DEFAULT_PRI + PRI_BIAS;
149		225
150	static unsigned int started, idle, wanted;	226	static unsigned int started, idle, wanted;
151		227
152	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
153	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
154	#else
155	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
156	#endif
157
158	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
159	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
160
161	/* worker threads management */	228	/* worker threads management */
162	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	229	static mutex_t wrklock = X_MUTEX_INIT;
163		230
164	typedef struct worker {	231	typedef struct worker {
165	/* locked by wrklock */	232	/* locked by wrklock */
166	struct worker prev, next;	233	struct worker prev, next;
167		234
168	pthread_t tid;	235	thread_t tid;
169		236
170	/* locked by reslock, reqlock or wrklock */	237	/* locked by reslock, reqlock or wrklock */
171	aio_req req; /* currently processed request */	238	bdb_req req; /* currently processed request */
172	void *dbuf;	239	void *dbuf;
173	DIR *dirp;	240	DIR *dirp;
174	} worker;	241	} worker;
175		242
176	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	243	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
188	}	255	}
189		256
190	static volatile unsigned int nreqs, nready, npending;	257	static volatile unsigned int nreqs, nready, npending;
191	static volatile unsigned int max_idle = 4;	258	static volatile unsigned int max_idle = 4;
192	static volatile unsigned int max_outstanding = 0xffffffff;	259	static volatile unsigned int max_outstanding = 0xffffffff;
193	static int respipe [2];	260	static s_epipe respipe;
194		261
195	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	262	static mutex_t reslock = X_MUTEX_INIT;
196	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	263	static mutex_t reqlock = X_MUTEX_INIT;
197	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	264	static cond_t reqwait = X_COND_INIT;
198		265
199	#if WORDACCESS_UNSAFE	266	#if WORDACCESS_UNSAFE
200		267
201	static unsigned int get_nready ()	268	static unsigned int get_nready (void)
202	{	269	{
203	unsigned int retval;	270	unsigned int retval;
204		271
205	LOCK (reqlock);	272	X_LOCK (reqlock);
206	retval = nready;	273	retval = nready;
207	UNLOCK (reqlock);	274	X_UNLOCK (reqlock);
208		275
209	return retval;	276	return retval;
210	}	277	}
211		278
212	static unsigned int get_npending ()	279	static unsigned int get_npending (void)
213	{	280	{
214	unsigned int retval;	281	unsigned int retval;
215		282
216	LOCK (reslock);	283	X_LOCK (reslock);
217	retval = npending;	284	retval = npending;
218	UNLOCK (reslock);	285	X_UNLOCK (reslock);
219		286
220	return retval;	287	return retval;
221	}	288	}
222		289
223	static unsigned int get_nthreads ()	290	static unsigned int get_nthreads (void)
224	{	291	{
225	unsigned int retval;	292	unsigned int retval;
226		293
227	LOCK (wrklock);	294	X_LOCK (wrklock);
228	retval = started;	295	retval = started;
229	UNLOCK (wrklock);	296	X_UNLOCK (wrklock);
230		297
231	return retval;	298	return retval;
232	}	299	}
233		300
234	#else	301	#else
…		…
243	* a somewhat faster data structure might be nice, but	310	* a somewhat faster data structure might be nice, but
244	* with 8 priorities this actually needs <20 insns	311	* with 8 priorities this actually needs <20 insns
245	* per shift, the most expensive operation.	312	* per shift, the most expensive operation.
246	*/	313	*/
247	typedef struct {	314	typedef struct {
248	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	315	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249	int size;	316	int size;
250	} reqq;	317	} reqq;
251		318
252	static reqq req_queue;	319	static reqq req_queue;
253	static reqq res_queue;	320	static reqq res_queue;
254		321
255	int reqq_push (reqq *q, aio_req req)	322	int reqq_push (reqq *q, bdb_req req)
256	{	323	{
257	int pri = req->pri;	324	int pri = req->pri;
258	req->next = 0;	325	req->next = 0;
259		326
260	if (q->qe[pri])	327	if (q->qe[pri])
…		…
266	q->qe[pri] = q->qs[pri] = req;	333	q->qe[pri] = q->qs[pri] = req;
267		334
268	return q->size++;	335	return q->size++;
269	}	336	}
270		337
271	aio_req reqq_shift (reqq *q)	338	bdb_req reqq_shift (reqq *q)
272	{	339	{
273	int pri;	340	int pri;
274		341
275	if (!q->size)	342	if (!q->size)
276	return 0;	343	return 0;
277		344
278	--q->size;	345	--q->size;
279		346
280	for (pri = NUM_PRI; pri--; )	347	for (pri = NUM_PRI; pri--; )
281	{	348	{
282	aio_req req = q->qs[pri];	349	bdb_req req = q->qs[pri];
283		350
284	if (req)	351	if (req)
285	{	352	{
286	if (!(q->qs[pri] = req->next))	353	if (!(q->qs[pri] = req->next))
287	q->qe[pri] = 0;	354	q->qe[pri] = 0;
…		…
291	}	358	}
292		359
293	abort ();	360	abort ();
294	}	361	}
295		362
296	static int poll_cb ();	363	static int poll_cb (void);
297	static void req_free (aio_req req);	364	static void req_free (bdb_req req);
298	static void req_cancel (aio_req req);
299		365
300	static int req_invoke (aio_req req)	366	static int req_invoke (bdb_req req)
301	{	367	{
302	dSP;	368	switch (req->type)
303
304	if (SvOK (req->callback))
305	{	369	{
		370	case REQ_DB_CLOSE:
		371	SvREFCNT_dec (req->sv1);
		372	break;
		373
		374	case REQ_DB_GET:
		375	case REQ_DB_PGET:
		376	case REQ_C_GET:
		377	case REQ_C_PGET:
		378	case REQ_DB_PUT:
		379	case REQ_C_PUT:
		380	dbt_to_sv (req->sv1, &req->dbt1);
		381	dbt_to_sv (req->sv2, &req->dbt2);
		382	dbt_to_sv (req->sv3, &req->dbt3);
		383	break;
		384
		385	case REQ_DB_KEY_RANGE:
		386	{
		387	AV *av = newAV ();
		388
		389	av_push (av, newSVnv (req->key_range.less));
		390	av_push (av, newSVnv (req->key_range.equal));
		391	av_push (av, newSVnv (req->key_range.greater));
		392
		393	av = (AV )newRV_noinc ((SV )av);
		394
		395	SvREADONLY_off (req->sv1);
		396	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		397	SvREFCNT_dec (av);
		398	SvREFCNT_dec (req->sv1);
		399	}
		400	break;
		401
		402	#if DB_VERSION_MINOR >= 3
		403	case REQ_SEQ_GET:
		404	SvREADONLY_off (req->sv1);
		405
		406	if (sizeof (IV) > 4)
		407	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		408	else
		409	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		410
		411	SvREFCNT_dec (req->sv1);
		412	break;
		413	#endif
		414
		415	case REQ_ENV_LOG_ARCHIVE:
		416	{
		417	AV *av = newAV ();
		418	char listp = (char )req->buf1;
		419
		420	if (listp)
		421	while (*listp)
		422	av_push (av, newSVpv (*listp, 0)), ++listp;
		423
		424	av = (AV )newRV_noinc ((SV )av);
		425
		426	SvREADONLY_off (req->sv1);
		427	sv_setsv_mg (req->sv1, (SV *)av);
		428	SvREFCNT_dec (av);
		429	SvREFCNT_dec (req->sv1);
		430	}
		431	break;
		432	}
		433
		434	errno = req->result;
		435
		436	if (req->callback)
		437	{
		438	dSP;
		439
306	ENTER;	440	ENTER;
307	SAVETMPS;	441	SAVETMPS;
308	PUSHMARK (SP);	442	PUSHMARK (SP);
309		443
310	switch (req->type)
311	{
312	case REQ_DB_CLOSE:
313	SvREFCNT_dec (req->sv1);
314	break;
315
316	case REQ_DB_GET:
317	case REQ_DB_PGET:
318	dbt_to_sv (req->sv3, &req->dbt3);
319	break;
320
321	case REQ_C_GET:
322	case REQ_C_PGET:
323	dbt_to_sv (req->sv1, &req->dbt1);
324	dbt_to_sv (req->sv2, &req->dbt2);
325	dbt_to_sv (req->sv3, &req->dbt3);
326	break;
327
328	case REQ_DB_KEY_RANGE:
329	{
330	AV *av = newAV ();
331
332	av_push (av, newSVnv (req->key_range.less));
333	av_push (av, newSVnv (req->key_range.equal));
334	av_push (av, newSVnv (req->key_range.greater));
335
336	SvREADONLY_off (req->sv1);
337	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
338	SvREFCNT_dec (req->sv1);
339	}
340	break;
341
342	case REQ_SEQ_GET:
343	SvREADONLY_off (req->sv1);
344
345	if (sizeof (IV) > 4)
346	sv_setiv_mg (req->sv1, req->seq_t);
347	else
348	sv_setnv_mg (req->sv1, req->seq_t);
349
350	SvREFCNT_dec (req->sv1);
351	break;
352	}
353
354	errno = req->result;
355
356	PUTBACK;	444	PUTBACK;
357	call_sv (req->callback, G_VOID \| G_EVAL);	445	call_sv (req->callback, G_VOID \| G_EVAL);
358	SPAGAIN;	446	SPAGAIN;
359		447
360	FREETMPS;	448	FREETMPS;
361	LEAVE;	449	LEAVE;
		450
		451	return !SvTRUE (ERRSV);
362	}	452	}
363		453
364	return !SvTRUE (ERRSV);	454	return 1;
365	}	455	}
366		456
367	static void req_free (aio_req req)	457	static void req_free (bdb_req req)
368	{	458	{
		459	SvREFCNT_dec (req->callback);
		460
		461	SvREFCNT_dec (req->rsv1);
		462	SvREFCNT_dec (req->rsv2);
		463
369	free (req->buf1);	464	free (req->buf1);
370	free (req->buf2);	465	free (req->buf2);
		466	free (req->buf3);
		467
371	Safefree (req);	468	Safefree (req);
372	}	469	}
373		470
374	static void aio_proc (void arg);	471	static void
		472	create_respipe (void)
		473	{
		474	if (s_epipe_renew (&respipe))
		475	croak ("BDB: unable to create event pipe");
		476	}
		477
		478	static void bdb_request (bdb_req req);
		479	X_THREAD_PROC (bdb_proc);
375		480
376	static void start_thread (void)	481	static void start_thread (void)
377	{	482	{
378	sigset_t fullsigset, oldsigset;
379	pthread_attr_t attr;
380
381	worker *wrk = calloc (1, sizeof (worker));	483	worker *wrk = calloc (1, sizeof (worker));
382		484
383	if (!wrk)	485	if (!wrk)
384	croak ("unable to allocate worker thread data");	486	croak ("unable to allocate worker thread data");
385		487
386	pthread_attr_init (&attr);
387	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
388	#ifdef PTHREAD_SCOPE_PROCESS
389	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
390	#endif
391
392	sigfillset (&fullsigset);
393
394	LOCK (wrklock);	488	X_LOCK (wrklock);
395	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	489	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398	{	490	{
399	wrk->prev = &wrk_first;	491	wrk->prev = &wrk_first;
400	wrk->next = wrk_first.next;	492	wrk->next = wrk_first.next;
401	wrk_first.next->prev = wrk;	493	wrk_first.next->prev = wrk;
402	wrk_first.next = wrk;	494	wrk_first.next = wrk;
403	++started;	495	++started;
404	}	496	}
405	else	497	else
406	free (wrk);	498	free (wrk);
407		499
408	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409	UNLOCK (wrklock);	500	X_UNLOCK (wrklock);
410	}	501	}
411		502
412	static void maybe_start_thread ()	503	static void maybe_start_thread (void)
413	{	504	{
414	if (get_nthreads () >= wanted)	505	if (get_nthreads () >= wanted)
415	return;	506	return;
416		507
417	/* todo: maybe use idle here, but might be less exact */	508	/* todo: maybe use idle here, but might be less exact */
…		…
419	return;	510	return;
420		511
421	start_thread ();	512	start_thread ();
422	}	513	}
423		514
424	static void req_send (aio_req req)	515	static void req_send (bdb_req req)
425	{	516	{
426	SV *wait_callback = 0;	517	SV *wait_callback = 0;
427		518
428	// synthesize callback if none given	519	if (on_next_submit)
429	if (!SvOK (req->callback))
430	{	520	{
431	dSP;	521	dSP;
		522	SV *cb = sv_2mortal (on_next_submit);
		523
		524	on_next_submit = 0;
		525
432	PUSHMARK (SP);	526	PUSHMARK (SP);
433	PUTBACK;	527	PUTBACK;
434	int count = call_sv (prepare_cb, G_ARRAY);	528	call_sv (cb, G_DISCARD \| G_EVAL);
435	SPAGAIN;	529	SPAGAIN;
436
437	if (count != 2)
438	croak ("prepare callback must return exactly two values\n");
439
440	wait_callback = SvREFCNT_inc (POPs);
441	SvREFCNT_dec (req->callback);
442	req->callback = SvREFCNT_inc (POPs);
443	}	530	}
444		531
		532	// synthesize callback if none given
		533	if (!req->callback)
		534	{
		535	if (SvOK (prepare_cb))
		536	{
		537	int count;
		538
		539	dSP;
		540	PUSHMARK (SP);
		541	PUTBACK;
		542	count = call_sv (prepare_cb, G_ARRAY);
		543	SPAGAIN;
		544
		545	if (count != 2)
		546	croak ("sync prepare callback must return exactly two values\n");
		547
		548	wait_callback = POPs;
		549	req->callback = SvREFCNT_inc (POPs);
		550	}
		551	else
		552	{
		553	// execute request synchronously
		554	bdb_request (req);
		555	req_invoke (req);
		556	req_free (req);
		557	return;
		558	}
		559	}
		560
445	++nreqs;	561	++nreqs;
446		562
447	LOCK (reqlock);	563	X_LOCK (reqlock);
448	++nready;	564	++nready;
449	reqq_push (&req_queue, req);	565	reqq_push (&req_queue, req);
450	pthread_cond_signal (&reqwait);	566	X_COND_SIGNAL (reqwait);
451	UNLOCK (reqlock);	567	X_UNLOCK (reqlock);
452		568
453	maybe_start_thread ();	569	maybe_start_thread ();
454		570
455	if (wait_callback)	571	if (wait_callback)
456	{	572	{
457	dSP;	573	dSP;
458	PUSHMARK (SP);	574	PUSHMARK (SP);
459	PUTBACK;	575	PUTBACK;
460	call_sv (wait_callback, G_DISCARD);	576	call_sv (wait_callback, G_DISCARD);
461	SvREFCNT_dec (wait_callback);
462	}	577	}
463	}	578	}
464		579
465	static void end_thread (void)	580	static void end_thread (void)
466	{	581	{
467	aio_req req;	582	bdb_req req = calloc (1, sizeof (bdb_cb));
468
469	Newz (0, req, 1, aio_cb);
470		583
471	req->type = REQ_QUIT;	584	req->type = REQ_QUIT;
472	req->pri = PRI_MAX + PRI_BIAS;	585	req->pri = PRI_MAX + PRI_BIAS;
473		586
474	LOCK (reqlock);	587	X_LOCK (reqlock);
475	reqq_push (&req_queue, req);	588	reqq_push (&req_queue, req);
476	pthread_cond_signal (&reqwait);	589	X_COND_SIGNAL (reqwait);
477	UNLOCK (reqlock);	590	X_UNLOCK (reqlock);
478		591
479	LOCK (wrklock);	592	X_LOCK (wrklock);
480	--started;	593	--started;
481	UNLOCK (wrklock);	594	X_UNLOCK (wrklock);
482	}	595	}
483		596
484	static void set_max_idle (int nthreads)	597	static void set_max_idle (int nthreads)
485	{	598	{
486	if (WORDACCESS_UNSAFE) LOCK (reqlock);	599	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487	max_idle = nthreads <= 0 ? 1 : nthreads;	600	max_idle = nthreads <= 0 ? 1 : nthreads;
488	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	601	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489	}	602	}
490		603
491	static void min_parallel (int nthreads)	604	static void min_parallel (int nthreads)
492	{	605	{
493	if (wanted < nthreads)	606	if (wanted < nthreads)
…		…
501		614
502	while (started > wanted)	615	while (started > wanted)
503	end_thread ();	616	end_thread ();
504	}	617	}
505		618
506	static void poll_wait ()	619	static void poll_wait (void)
507	{	620	{
508	fd_set rfd;
509
510	while (nreqs)	621	while (nreqs)
511	{	622	{
512	int size;	623	int size;
513	if (WORDACCESS_UNSAFE) LOCK (reslock);	624	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514	size = res_queue.size;	625	size = res_queue.size;
515	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	626	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516		627
517	if (size)	628	if (size)
518	return;	629	return;
519		630
520	maybe_start_thread ();	631	maybe_start_thread ();
521		632
522	FD_ZERO(&rfd);	633	s_epipe_wait (&respipe);
523	FD_SET(respipe [0], &rfd);
524
525	select (respipe [0] + 1, &rfd, 0, 0, 0);
526	}	634	}
527	}	635	}
528		636
529	static int poll_cb ()	637	static int poll_cb (void)
530	{	638	{
531	dSP;	639	dSP;
532	int count = 0;	640	int count = 0;
533	int maxreqs = max_poll_reqs;	641	int maxreqs = max_poll_reqs;
534	int do_croak = 0;	642	int do_croak = 0;
535	struct timeval tv_start, tv_now;	643	struct timeval tv_start, tv_now;
536	aio_req req;	644	bdb_req req;
537		645
538	if (max_poll_time)	646	if (max_poll_time)
539	gettimeofday (&tv_start, 0);	647	gettimeofday (&tv_start, 0);
540		648
541	for (;;)	649	for (;;)
542	{	650	{
543	for (;;)	651	for (;;)
544	{	652	{
545	maybe_start_thread ();	653	maybe_start_thread ();
546		654
547	LOCK (reslock);	655	X_LOCK (reslock);
548	req = reqq_shift (&res_queue);	656	req = reqq_shift (&res_queue);
549		657
550	if (req)	658	if (req)
551	{	659	{
552	--npending;	660	--npending;
553		661
554	if (!res_queue.size)	662	if (!res_queue.size)
555	{
556	/* read any signals sent by the worker threads */	663	/* read any signals sent by the worker threads */
557	char buf [4];	664	s_epipe_drain (&respipe);
558	while (read (respipe [0], buf, 4) == 4)
559	;
560	}
561	}	665	}
562		666
563	UNLOCK (reslock);	667	X_UNLOCK (reslock);
564		668
565	if (!req)	669	if (!req)
566	break;	670	break;
567		671
568	--nreqs;	672	--nreqs;
…		…
598	}	702	}
599		703
600	return count;	704	return count;
601	}	705	}
602		706
603	static void create_pipe ()
604	{
605	if (pipe (respipe))
606	croak ("unable to initialize result pipe");
607
608	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
609	croak ("cannot set result pipe to nonblocking mode");
610
611	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
612	croak ("cannot set result pipe to nonblocking mode");
613	}
614
615	/*****************************************************************************/	707	/*****************************************************************************/
616		708
617	static void aio_proc (void thr_arg)	709	static void
		710	bdb_request (bdb_req req)
618	{	711	{
		712	switch (req->type)
		713	{
		714	case REQ_ENV_OPEN:
		715	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		716	break;
		717
		718	case REQ_ENV_CLOSE:
		719	req->result = req->env->close (req->env, req->uint1);
		720	break;
		721
		722	case REQ_ENV_TXN_CHECKPOINT:
		723	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		724	break;
		725
		726	case REQ_ENV_LOCK_DETECT:
		727	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		728	break;
		729
		730	case REQ_ENV_MEMP_SYNC:
		731	req->result = req->env->memp_sync (req->env, 0);
		732	break;
		733
		734	case REQ_ENV_MEMP_TRICKLE:
		735	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		736	break;
		737
		738	case REQ_ENV_DBREMOVE:
		739	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		740	break;
		741
		742	case REQ_ENV_DBRENAME:
		743	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		744	break;
		745
		746	case REQ_DB_OPEN:
		747	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		748	break;
		749
		750	case REQ_DB_CLOSE:
		751	req->result = req->db->close (req->db, req->uint1);
		752	break;
		753
		754	#if DB_VERSION_MINOR >= 4
		755	case REQ_DB_COMPACT:
		756	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		757	break;
		758	#endif
		759
		760	case REQ_DB_SYNC:
		761	req->result = req->db->sync (req->db, req->uint1);
		762	break;
		763
		764	case REQ_DB_VERIFY:
		765	req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
		766	break;
		767
		768	case REQ_DB_UPGRADE:
		769	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		770	break;
		771
		772	case REQ_DB_PUT:
		773	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		774	break;
		775
		776	#if DB_VERSION_MINOR >= 6
		777	case REQ_DB_EXISTS:
		778	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		779	break;
		780	#endif
		781	case REQ_DB_GET:
		782	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		783	break;
		784
		785	case REQ_DB_PGET:
		786	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		787	break;
		788
		789	case REQ_DB_DEL:
		790	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		791	break;
		792
		793	case REQ_DB_KEY_RANGE:
		794	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		795	break;
		796
		797	case REQ_TXN_COMMIT:
		798	req->result = req->txn->commit (req->txn, req->uint1);
		799	break;
		800
		801	case REQ_TXN_ABORT:
		802	req->result = req->txn->abort (req->txn);
		803	break;
		804
		805	case REQ_TXN_FINISH:
		806	if (req->txn->flags & TXN_DEADLOCK)
		807	{
		808	req->result = req->txn->abort (req->txn);
		809	if (!req->result)
		810	req->result = DB_LOCK_DEADLOCK;
		811	}
		812	else
		813	req->result = req->txn->commit (req->txn, req->uint1);
		814	break;
		815
		816	case REQ_C_CLOSE:
		817	req->result = req->dbc->c_close (req->dbc);
		818	break;
		819
		820	case REQ_C_COUNT:
		821	{
		822	db_recno_t recno;
		823	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		824	req->uv1 = recno;
		825	}
		826	break;
		827
		828	case REQ_C_PUT:
		829	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		830	break;
		831
		832	case REQ_C_GET:
		833	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		834	break;
		835
		836	case REQ_C_PGET:
		837	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		838	break;
		839
		840	case REQ_C_DEL:
		841	req->result = req->dbc->c_del (req->dbc, req->uint1);
		842	break;
		843
		844	#if DB_VERSION_MINOR >= 3
		845	case REQ_SEQ_OPEN:
		846	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		847	break;
		848
		849	case REQ_SEQ_CLOSE:
		850	req->result = req->seq->close (req->seq, req->uint1);
		851	break;
		852
		853	case REQ_SEQ_GET:
		854	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		855	break;
		856
		857	case REQ_SEQ_REMOVE:
		858	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		859	break;
		860	#endif
		861
		862	case REQ_ENV_LOG_ARCHIVE:
		863	{
		864	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		865	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		866	req->buf1 = (char *)listp;
		867	}
		868	break;
		869
		870	default:
		871	req->result = ENOSYS;
		872	break;
		873	}
		874
		875	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		876	req->txn->flags \|= TXN_DEADLOCK;
		877	}
		878
		879	X_THREAD_PROC (bdb_proc)
		880	{
619	aio_req req;	881	bdb_req req;
620	struct timespec ts;	882	struct timespec ts;
621	worker self = (worker )thr_arg;	883	worker self = (worker )thr_arg;
622		884
623	/* try to distribute timeouts somewhat evenly */	885	/* try to distribute timeouts somewhat evenly */
624	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	886	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625	* (1000000000UL / 1024UL);
626		887
627	for (;;)	888	for (;;)
628	{	889	{
629	ts.tv_sec = time (0) + IDLE_TIMEOUT;	890	ts.tv_sec = time (0) + IDLE_TIMEOUT;
630		891
631	LOCK (reqlock);	892	X_LOCK (reqlock);
632		893
633	for (;;)	894	for (;;)
634	{	895	{
635	self->req = req = reqq_shift (&req_queue);	896	self->req = req = reqq_shift (&req_queue);
636		897
637	if (req)	898	if (req)
638	break;	899	break;
639		900
640	++idle;	901	++idle;
641		902
642	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	903	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643	== ETIMEDOUT)	904	== ETIMEDOUT)
644	{	905	{
645	if (idle > max_idle)	906	if (idle > max_idle)
646	{	907	{
647	--idle;	908	--idle;
648	UNLOCK (reqlock);	909	X_UNLOCK (reqlock);
649	LOCK (wrklock);	910	X_LOCK (wrklock);
650	--started;	911	--started;
651	UNLOCK (wrklock);	912	X_UNLOCK (wrklock);
652	goto quit;	913	goto quit;
653	}	914	}
654		915
655	/* we are allowed to idle, so do so without any timeout */	916	/* we are allowed to idle, so do so without any timeout */
656	pthread_cond_wait (&reqwait, &reqlock);	917	X_COND_WAIT (reqwait, reqlock);
657	ts.tv_sec = time (0) + IDLE_TIMEOUT;	918	ts.tv_sec = time (0) + IDLE_TIMEOUT;
658	}	919	}
659		920
660	--idle;	921	--idle;
661	}	922	}
662		923
663	--nready;	924	--nready;
664		925
665	UNLOCK (reqlock);	926	X_UNLOCK (reqlock);
666		927
667	switch (req->type)	928	if (req->type == REQ_QUIT)
668	{	929	{
669	case REQ_QUIT:	930	X_LOCK (reslock);
		931	free (req);
		932	self->req = 0;
		933	X_UNLOCK (reslock);
		934
670	goto quit;	935	goto quit;
671
672	case REQ_ENV_OPEN:
673	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674	break;
675
676	case REQ_ENV_CLOSE:
677	req->result = req->env->close (req->env, req->uint1);
678	break;
679
680	case REQ_ENV_TXN_CHECKPOINT:
681	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
682	break;
683
684	case REQ_ENV_LOCK_DETECT:
685	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
686	break;
687
688	case REQ_ENV_MEMP_SYNC:
689	req->result = req->env->memp_sync (req->env, 0);
690	break;
691
692	case REQ_ENV_MEMP_TRICKLE:
693	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
694	break;
695
696	case REQ_DB_OPEN:
697	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
698	break;
699
700	case REQ_DB_CLOSE:
701	req->result = req->db->close (req->db, req->uint1);
702	break;
703
704	case REQ_DB_COMPACT:
705	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
706	break;
707
708	case REQ_DB_SYNC:
709	req->result = req->db->sync (req->db, req->uint1);
710	break;
711
712	case REQ_DB_PUT:
713	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714	break;
715
716	case REQ_DB_GET:
717	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
718	break;
719
720	case REQ_DB_PGET:
721	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
722	break;
723
724	case REQ_DB_DEL:
725	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
726	break;
727
728	case REQ_DB_KEY_RANGE:
729	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
730	break;
731
732	case REQ_TXN_COMMIT:
733	req->result = req->txn->commit (req->txn, req->uint1);
734	break;
735
736	case REQ_TXN_ABORT:
737	req->result = req->txn->abort (req->txn);
738	break;
739
740	case REQ_C_CLOSE:
741	req->result = req->dbc->c_close (req->dbc);
742	break;
743
744	case REQ_C_COUNT:
745	{
746	db_recno_t recno;
747	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
748	req->uv1 = recno;
749	}
750	break;
751
752	case REQ_C_PUT:
753	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
754	break;
755
756	case REQ_C_GET:
757	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
758	break;
759
760	case REQ_C_PGET:
761	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
762	break;
763
764	case REQ_C_DEL:
765	req->result = req->dbc->c_del (req->dbc, req->uint1);
766	break;
767
768	case REQ_SEQ_OPEN:
769	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
770	break;
771
772	case REQ_SEQ_CLOSE:
773	req->result = req->seq->close (req->seq, req->uint1);
774	break;
775
776	case REQ_SEQ_GET:
777	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
778	break;
779
780	case REQ_SEQ_REMOVE:
781	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
782	break;
783
784	default:
785	req->result = ENOSYS;
786	break;
787	}	936	}
788		937
		938	bdb_request (req);
		939
789	LOCK (reslock);	940	X_LOCK (reslock);
790		941
791	++npending;	942	++npending;
792		943
793	if (!reqq_push (&res_queue, req))	944	if (!reqq_push (&res_queue, req))
794	/* write a dummy byte to the pipe so fh becomes ready */	945	s_epipe_signal (&respipe);
795	write (respipe [1], &respipe, 1);
796		946
797	self->req = 0;	947	self->req = 0;
798	worker_clear (self);	948	worker_clear (self);
799		949
800	UNLOCK (reslock);	950	X_UNLOCK (reslock);
801	}	951	}
802		952
803	quit:	953	quit:
804	LOCK (wrklock);	954	X_LOCK (wrklock);
805	worker_free (self);	955	worker_free (self);
806	UNLOCK (wrklock);	956	X_UNLOCK (wrklock);
807		957
808	return 0;	958	return 0;
809	}	959	}
810		960
811	/*****************************************************************************/	961	/*****************************************************************************/
812		962
813	static void atfork_prepare (void)	963	static void atfork_prepare (void)
814	{	964	{
815	LOCK (wrklock);	965	X_LOCK (wrklock);
816	LOCK (reqlock);	966	X_LOCK (reqlock);
817	LOCK (reslock);	967	X_LOCK (reslock);
818	}	968	}
819		969
820	static void atfork_parent (void)	970	static void atfork_parent (void)
821	{	971	{
822	UNLOCK (reslock);	972	X_UNLOCK (reslock);
823	UNLOCK (reqlock);	973	X_UNLOCK (reqlock);
824	UNLOCK (wrklock);	974	X_UNLOCK (wrklock);
825	}	975	}
826		976
827	static void atfork_child (void)	977	static void atfork_child (void)
828	{	978	{
829	aio_req prv;	979	bdb_req prv;
830		980
831	while (prv = reqq_shift (&req_queue))	981	while (prv = reqq_shift (&req_queue))
832	req_free (prv);	982	req_free (prv);
833		983
834	while (prv = reqq_shift (&res_queue))	984	while (prv = reqq_shift (&res_queue))
…		…
849	idle = 0;	999	idle = 0;
850	nreqs = 0;	1000	nreqs = 0;
851	nready = 0;	1001	nready = 0;
852	npending = 0;	1002	npending = 0;
853		1003
854	close (respipe [0]);
855	close (respipe [1]);
856	create_pipe ();	1004	create_respipe ();
857		1005
858	atfork_parent ();	1006	atfork_parent ();
859	}	1007	}
860		1008
861	#define dREQ(reqtype) \	1009	#define dREQ(reqtype,rsvcnt) \
862	aio_req req; \	1010	bdb_req req; \
863	int req_pri = next_pri; \	1011	int req_pri = next_pri; \
864	next_pri = DEFAULT_PRI + PRI_BIAS; \	1012	next_pri = DEFAULT_PRI + PRI_BIAS; \
865	\	1013	\
866	if (SvOK (callback) && !SvROK (callback)) \	1014	if (callback && SvOK (callback)) \
867	croak ("callback must be undef or of reference type"); \	1015	croak ("callback has illegal type or extra arguments"); \
868	\	1016	\
869	Newz (0, req, 1, aio_cb); \	1017	Newz (0, req, 1, bdb_cb); \
870	if (!req) \	1018	if (!req) \
871	croak ("out of memory during aio_req allocation"); \	1019	croak ("out of memory during bdb_req allocation"); \
872	\	1020	\
873	req->callback = newSVsv (callback); \	1021	req->callback = SvREFCNT_inc (cb); \
874	req->type = (reqtype); \	1022	req->type = (reqtype); \
875	req->pri = req_pri	1023	req->pri = req_pri; \
		1024	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1025	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1026	(void)0;
876		1027
877	#define REQ_SEND \	1028	#define REQ_SEND \
878	req_send (req)	1029	req_send (req)
879		1030
880	#define SvPTR(var, arg, type, class, nullok) \	1031	#define SvPTR(var, arg, type, stash, class, nullok) \
881	if (!SvOK (arg)) \	1032	if (!SvOK (arg)) \
882	{ \	1033	{ \
883	if (!nullok) \	1034	if (nullok != 1) \
884	croak (# var " must be a " # class " object, not undef"); \	1035	croak (# var " must be a " # class " object, not undef"); \
885	\	1036	\
886	(var) = 0; \	1037	(var) = 0; \
887	} \	1038	} \
888	else if (sv_derived_from ((arg), # class)) \	1039	else if (SvSTASH (SvRV (arg)) == stash \|\| sv_derived_from ((arg), # class)) \
889	{ \	1040	{ \
890	IV tmp = SvIV ((SV*) SvRV (arg)); \	1041	IV tmp = SvIV ((SV*) SvRV (arg)); \
891	(var) = INT2PTR (type, tmp); \	1042	(var) = INT2PTR (type, tmp); \
892	if (!var) \	1043	if (!var && nullok != 2) \
893	croak (# var " is not a valid " # class " object anymore"); \	1044	croak (# var " is not a valid " # class " object anymore"); \
894	} \	1045	} \
895	else \	1046	else \
896	croak (# var " is not of type " # class); \	1047	croak (# var " is not of type " # class);
897	\	1048
		1049	#define ARG_MUTABLE(name) \
		1050	if (SvREADONLY (name)) \
		1051	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
		1052
		1053	static SV *
		1054	newSVptr (void ptr, HV stash)
		1055	{
		1056	SV *rv = NEWSV (0, 0);
		1057	sv_upgrade (rv, SVt_PVMG);
		1058	sv_setiv (rv, PTR2IV (ptr));
		1059
		1060	return sv_bless (newRV_noinc (rv), stash);
		1061	}
898		1062
899	static void	1063	static void
900	ptr_nuke (SV *sv)	1064	ptr_nuke (SV *sv)
901	{	1065	{
902	assert (SvROK (sv));	1066	assert (SvROK (sv));
903	sv_setiv (SvRV (sv), 0);	1067	sv_setiv (SvRV (sv), 0);
904	}	1068	}
905		1069
		1070	static int
		1071	errno_get (pTHX_ SV sv, MAGIC mg)
		1072	{
		1073	if (*mg->mg_ptr == '!') // should always be the case
		1074	if (-30999 <= errno && errno <= -30800)
		1075	{
		1076	sv_setnv (sv, (NV)errno);
		1077	sv_setpv (sv, db_strerror (errno));
		1078	SvNOK_on (sv); /* what a wonderful hack! */
		1079	// ^^^ copied from perl sources
		1080	return 0;
		1081	}
		1082
		1083	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1084	}
		1085
		1086	static MGVTBL vtbl_errno;
		1087
		1088	// this wonderful hack :( patches perl's $! variable to support our errno values
		1089	static void
		1090	patch_errno (void)
		1091	{
		1092	SV *sv;
		1093	MAGIC *mg;
		1094
		1095	if (!(sv = get_sv ("!", 1)))
		1096	return;
		1097
		1098	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1099	return;
		1100
		1101	if (mg->mg_virtual != &PL_vtbl_sv)
		1102	return;
		1103
		1104	vtbl_errno = PL_vtbl_sv;
		1105	vtbl_errno.svt_get = errno_get;
		1106	mg->mg_virtual = &vtbl_errno;
		1107	}
		1108
		1109	#if __GNUC__ >= 4
		1110	# define noinline __attribute__ ((noinline))
		1111	#else
		1112	# define noinline
		1113	#endif
		1114
		1115	static noinline SV *
		1116	pop_callback (I32 ritems, SV sv)
		1117	{
		1118	if (SvROK (sv))
		1119	{
		1120	HV *st;
		1121	GV *gvp;
		1122	CV *cv;
		1123	const char *name;
		1124
		1125	/* forgive me */
		1126	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1127	&& (st = SvSTASH (SvRV (sv)))
		1128	&& (name = HvNAME_get (st))
		1129	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1130	return 0;
		1131
		1132	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1133	{
		1134	--*ritems;
		1135	return (SV *)cv;
		1136	}
		1137	}
		1138
		1139	return 0;
		1140	}
		1141
		1142	/*****************************************************************************/
		1143
		1144	#if 0
		1145	static int
		1146	bt_pfxc_compare (DB db, const DBT dbt1, const DBT *dbt2)
		1147	{
		1148	ssize_t size1 = dbt1->size;
		1149	ssize_t size2 = dbt2->size;
		1150	int res = memcmp ((void )dbt1->data, (void )dbt2->data,
		1151	size1 <= size2 ? size1 : size2);
		1152
		1153	if (res)
		1154	return res;
		1155	else if (size1 - size2)
		1156	return size1 - size2;
		1157	else
		1158	return 0;
		1159	}
		1160
		1161	static size_t
		1162	bt_pfxc_prefix_x (DB db, const DBT dbt1, const DBT *dbt2)
		1163	{
		1164	ssize_t size1 = dbt1->size;
		1165	ssize_t size2 = dbt2->size;
		1166	u_int8_t p1 = (u_int8_t )dbt1->data;
		1167	u_int8_t p2 = (u_int8_t )dbt2->data;
		1168	u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
		1169
		1170	while (p1 < pe)
		1171	if (p1++ != p2++)
		1172	return p1 - (u_int8_t *)dbt1->data - 1;
		1173
		1174	if (size1 < size2) return size1 + 1;
		1175	if (size1 > size2) return size2 + 1;
		1176
		1177	return size1;
		1178	}
		1179	#endif
		1180
		1181	/*****************************************************************************/
		1182
		1183	/* stupid windows defines CALLBACK as well */
		1184	#undef CALLBACK
		1185	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
		1186
906	MODULE = BDB PACKAGE = BDB	1187	MODULE = BDB PACKAGE = BDB
907		1188
908	PROTOTYPES: ENABLE	1189	PROTOTYPES: ENABLE
909		1190
910	BOOT:	1191	BOOT:
911	{	1192	{
912	HV *stash = gv_stashpv ("BDB", 1);
913
914	static const struct {	1193	static const struct {
915	const char *name;	1194	const char *name;
916	IV iv;	1195	IV iv;
917	} *civ, const_iv[] = {	1196	} *civ, const_iv[] = {
918	#define const_iv(name) { # name, (IV)DB_ ## name },	1197	#define const_iv(name) { # name, (IV)DB_ ## name },
…		…
925	const_iv (INIT_TXN)	1204	const_iv (INIT_TXN)
926	const_iv (RECOVER)	1205	const_iv (RECOVER)
927	const_iv (INIT_TXN)	1206	const_iv (INIT_TXN)
928	const_iv (RECOVER_FATAL)	1207	const_iv (RECOVER_FATAL)
929	const_iv (CREATE)	1208	const_iv (CREATE)
		1209	const_iv (RDONLY)
930	const_iv (USE_ENVIRON)	1210	const_iv (USE_ENVIRON)
931	const_iv (USE_ENVIRON_ROOT)	1211	const_iv (USE_ENVIRON_ROOT)
932	const_iv (LOCKDOWN)	1212	const_iv (LOCKDOWN)
933	const_iv (PRIVATE)	1213	const_iv (PRIVATE)
934	const_iv (REGISTER)
935	const_iv (SYSTEM_MEM)	1214	const_iv (SYSTEM_MEM)
936	const_iv (AUTO_COMMIT)	1215	const_iv (AUTO_COMMIT)
937	const_iv (CDB_ALLDB)	1216	const_iv (CDB_ALLDB)
938	const_iv (DIRECT_DB)	1217	const_iv (DIRECT_DB)
939	const_iv (DIRECT_LOG)
940	const_iv (DSYNC_DB)
941	const_iv (DSYNC_LOG)
942	const_iv (LOG_AUTOREMOVE)
943	const_iv (LOG_INMEMORY)
944	const_iv (NOLOCKING)	1218	const_iv (NOLOCKING)
945	const_iv (MULTIVERSION)
946	const_iv (NOMMAP)	1219	const_iv (NOMMAP)
947	const_iv (NOPANIC)	1220	const_iv (NOPANIC)
948	const_iv (OVERWRITE)	1221	const_iv (OVERWRITE)
949	const_iv (PANIC_ENVIRONMENT)	1222	const_iv (PANIC_ENVIRONMENT)
950	const_iv (REGION_INIT)	1223	const_iv (REGION_INIT)
951	const_iv (TIME_NOTGRANTED)	1224	const_iv (TIME_NOTGRANTED)
952	const_iv (TXN_NOSYNC)	1225	const_iv (TXN_NOSYNC)
953	const_iv (TXN_SNAPSHOT)	1226	const_iv (TXN_NOT_DURABLE)
954	const_iv (TXN_WRITE_NOSYNC)	1227	const_iv (TXN_WRITE_NOSYNC)
955	const_iv (WRITECURSOR)	1228	const_iv (WRITECURSOR)
956	const_iv (YIELDCPU)	1229	const_iv (YIELDCPU)
957	const_iv (ENCRYPT_AES)	1230	const_iv (ENCRYPT_AES)
958	const_iv (XA_CREATE)	1231	const_iv (XA_CREATE)
…		…
960	const_iv (HASH)	1233	const_iv (HASH)
961	const_iv (QUEUE)	1234	const_iv (QUEUE)
962	const_iv (RECNO)	1235	const_iv (RECNO)
963	const_iv (UNKNOWN)	1236	const_iv (UNKNOWN)
964	const_iv (EXCL)	1237	const_iv (EXCL)
965	const_iv (READ_COMMITTED)
966	const_iv (READ_UNCOMMITTED)
967	const_iv (TRUNCATE)	1238	const_iv (TRUNCATE)
968	const_iv (NOSYNC)	1239	const_iv (NOSYNC)
969	const_iv (CHKSUM)	1240	const_iv (CHKSUM)
970	const_iv (ENCRYPT)	1241	const_iv (ENCRYPT)
971	const_iv (TXN_NOT_DURABLE)
972	const_iv (DUP)	1242	const_iv (DUP)
973	const_iv (DUPSORT)	1243	const_iv (DUPSORT)
974	const_iv (RECNUM)	1244	//const_iv (RECNUM)
975	const_iv (RENUMBER)	1245	const_iv (RENUMBER)
976	const_iv (REVSPLITOFF)	1246	const_iv (REVSPLITOFF)
977	const_iv (INORDER)
978	const_iv (CONSUME)	1247	const_iv (CONSUME)
979	const_iv (CONSUME_WAIT)	1248	const_iv (CONSUME_WAIT)
980	const_iv (GET_BOTH)	1249	const_iv (GET_BOTH)
981	const_iv (GET_BOTH_RANGE)	1250	const_iv (GET_BOTH_RANGE)
982	//const_iv (SET_RECNO)	1251	//const_iv (SET_RECNO)
983	//const_iv (MULTIPLE)	1252	//const_iv (MULTIPLE)
984	const_iv (SNAPSHOT)	1253	const_iv (SNAPSHOT)
985	const_iv (JOIN_ITEM)	1254	const_iv (JOIN_ITEM)
		1255	const_iv (JOIN_NOSORT)
986	const_iv (RMW)	1256	const_iv (RMW)
987		1257
988	const_iv (NOTFOUND)	1258	const_iv (NOTFOUND)
989	const_iv (KEYEMPTY)	1259	const_iv (KEYEMPTY)
990	const_iv (LOCK_DEADLOCK)	1260	const_iv (LOCK_DEADLOCK)
991	const_iv (LOCK_NOTGRANTED)	1261	const_iv (LOCK_NOTGRANTED)
992	const_iv (RUNRECOVERY)	1262	const_iv (RUNRECOVERY)
993	const_iv (OLD_VERSION)	1263	const_iv (OLD_VERSION)
994	const_iv (REP_HANDLE_DEAD)	1264	const_iv (REP_HANDLE_DEAD)
995	const_iv (REP_LOCKOUT)
996	const_iv (SECONDARY_BAD)	1265	const_iv (SECONDARY_BAD)
997
998	const_iv (FREE_SPACE)
999	const_iv (FREELIST_ONLY)
1000		1266
1001	const_iv (APPEND)	1267	const_iv (APPEND)
1002	const_iv (NODUPDATA)	1268	const_iv (NODUPDATA)
1003	const_iv (NOOVERWRITE)	1269	const_iv (NOOVERWRITE)
1004		1270
1005	const_iv (TXN_NOWAIT)	1271	const_iv (TXN_NOWAIT)
1006	const_iv (TXN_SNAPSHOT)
1007	const_iv (TXN_SYNC)	1272	const_iv (TXN_SYNC)
1008		1273
1009	const_iv (SET_LOCK_TIMEOUT)	1274	const_iv (SET_LOCK_TIMEOUT)
1010	const_iv (SET_TXN_TIMEOUT)	1275	const_iv (SET_TXN_TIMEOUT)
1011		1276
1012	const_iv (JOIN_ITEM)
1013	const_iv (FIRST)	1277	const_iv (FIRST)
1014	const_iv (NEXT)	1278	const_iv (NEXT)
1015	const_iv (NEXT_DUP)	1279	const_iv (NEXT_DUP)
1016	const_iv (NEXT_NODUP)	1280	const_iv (NEXT_NODUP)
1017	const_iv (PREV)	1281	const_iv (PREV)
…		…
1029	const_iv (FORCE)	1293	const_iv (FORCE)
1030		1294
1031	const_iv (LOCK_DEFAULT)	1295	const_iv (LOCK_DEFAULT)
1032	const_iv (LOCK_EXPIRE)	1296	const_iv (LOCK_EXPIRE)
1033	const_iv (LOCK_MAXLOCKS)	1297	const_iv (LOCK_MAXLOCKS)
1034	const_iv (LOCK_MAXWRITE)
1035	const_iv (LOCK_MINLOCKS)	1298	const_iv (LOCK_MINLOCKS)
1036	const_iv (LOCK_MINWRITE)	1299	const_iv (LOCK_MINWRITE)
1037	const_iv (LOCK_OLDEST)	1300	const_iv (LOCK_OLDEST)
1038	const_iv (LOCK_RANDOM)	1301	const_iv (LOCK_RANDOM)
1039	const_iv (LOCK_YOUNGEST)	1302	const_iv (LOCK_YOUNGEST)
1040		1303
		1304	const_iv (DONOTINDEX)
		1305	const_iv (KEYEMPTY )
		1306	const_iv (KEYEXIST )
		1307	const_iv (LOCK_DEADLOCK)
		1308	const_iv (LOCK_NOTGRANTED)
		1309	const_iv (NOSERVER)
		1310	const_iv (NOSERVER_HOME)
		1311	const_iv (NOSERVER_ID)
		1312	const_iv (NOTFOUND)
		1313	const_iv (PAGE_NOTFOUND)
		1314	const_iv (REP_DUPMASTER)
		1315	const_iv (REP_HANDLE_DEAD)
		1316	const_iv (REP_HOLDELECTION)
		1317	const_iv (REP_ISPERM)
		1318	const_iv (REP_NEWMASTER)
		1319	const_iv (REP_NEWSITE)
		1320	const_iv (REP_NOTPERM)
		1321	const_iv (REP_UNAVAIL)
		1322	const_iv (RUNRECOVERY)
		1323	const_iv (SECONDARY_BAD)
		1324	const_iv (VERIFY_BAD)
		1325
		1326	const_iv (SALVAGE)
		1327	const_iv (AGGRESSIVE)
		1328	const_iv (PRINTABLE)
		1329	const_iv (NOORDERCHK)
		1330	const_iv (ORDERCHKONLY)
		1331
		1332	const_iv (ARCH_ABS)
		1333	const_iv (ARCH_DATA)
		1334	const_iv (ARCH_LOG)
		1335	const_iv (ARCH_REMOVE)
		1336
		1337	const_iv (VERB_DEADLOCK)
		1338	const_iv (VERB_RECOVERY)
		1339	const_iv (VERB_REPLICATION)
		1340	const_iv (VERB_WAITSFOR)
		1341
		1342	const_iv (VERSION_MAJOR)
		1343	const_iv (VERSION_MINOR)
		1344	const_iv (VERSION_PATCH)
		1345	#if DB_VERSION_MINOR >= 3
		1346	const_iv (INORDER)
		1347	const_iv (LOCK_MAXWRITE)
1041	const_iv (SEQ_DEC)	1348	const_iv (SEQ_DEC)
1042	const_iv (SEQ_INC)	1349	const_iv (SEQ_INC)
1043	const_iv (SEQ_WRAP)	1350	const_iv (SEQ_WRAP)
		1351	const_iv (BUFFER_SMALL)
		1352	const_iv (LOG_BUFFER_FULL)
		1353	const_iv (VERSION_MISMATCH)
		1354	#endif
		1355	#if DB_VERSION_MINOR >= 4
		1356	const_iv (REGISTER)
		1357	const_iv (DSYNC_DB)
		1358	const_iv (READ_COMMITTED)
		1359	const_iv (READ_UNCOMMITTED)
		1360	const_iv (REP_IGNORE)
		1361	const_iv (REP_LOCKOUT)
		1362	const_iv (REP_JOIN_FAILURE)
		1363	const_iv (FREE_SPACE)
		1364	const_iv (FREELIST_ONLY)
		1365	const_iv (VERB_REGISTER)
		1366	#endif
		1367	#if DB_VERSION_MINOR >= 5
		1368	const_iv (MULTIVERSION)
		1369	const_iv (TXN_SNAPSHOT)
		1370	#endif
		1371	#if DB_VERSION_MINOR >= 6
		1372	const_iv (PREV_DUP)
		1373	const_iv (PRIORITY_UNCHANGED)
		1374	const_iv (PRIORITY_VERY_LOW)
		1375	const_iv (PRIORITY_LOW)
		1376	const_iv (PRIORITY_DEFAULT)
		1377	const_iv (PRIORITY_HIGH)
		1378	const_iv (PRIORITY_VERY_HIGH)
		1379	const_iv (IGNORE_LEASE)
		1380	#endif
		1381	#if DB_VERSION_MINOR >= 7
		1382	//const_iv (MULTIPLE_KEY)
		1383	const_iv (LOG_DIRECT)
		1384	const_iv (LOG_DSYNC)
		1385	const_iv (LOG_AUTO_REMOVE)
		1386	const_iv (LOG_IN_MEMORY)
		1387	const_iv (LOG_ZERO)
		1388	#else
		1389	const_iv (DIRECT_LOG)
		1390	const_iv (LOG_AUTOREMOVE)
		1391	# if DB_VERSION_MINOR >= 3
		1392	const_iv (DSYNC_LOG)
		1393	const_iv (LOG_INMEMORY)
		1394	# endif
		1395	#endif
1044	};	1396	};
1045		1397
		1398	bdb_stash = gv_stashpv ("BDB" , 1);
		1399	bdb_env_stash = gv_stashpv ("BDB::Env" , 1);
		1400	bdb_txn_stash = gv_stashpv ("BDB::Txn" , 1);
		1401	bdb_cursor_stash = gv_stashpv ("BDB::Cursor" , 1);
		1402	bdb_db_stash = gv_stashpv ("BDB::Db" , 1);
		1403	bdb_sequence_stash = gv_stashpv ("BDB::Sequence", 1);
		1404
1046	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1405	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1406	newCONSTSUB (bdb_stash, (char *)civ->name, newSViv (civ->iv));
1048		1407
1049	create_pipe ();	1408	prepare_cb = &PL_sv_undef;
		1409
		1410	{
		1411	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1412	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1413
		1414	newCONSTSUB (bdb_stash, "VERSION_v", newSVpvn (vstring, 3));
		1415	}
		1416
		1417	newCONSTSUB (bdb_stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1418
		1419	create_respipe ();
		1420
1050	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1421	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1422	patch_errno ();
1051	}	1423	}
1052		1424
1053	void	1425	void
1054	max_poll_reqs (int nreqs)	1426	max_poll_reqs (int nreqs)
1055	PROTOTYPE: $	1427	PROTOTYPE: $
…		…
1128		1500
1129	int	1501	int
1130	poll_fileno ()	1502	poll_fileno ()
1131	PROTOTYPE:	1503	PROTOTYPE:
1132	CODE:	1504	CODE:
1133	RETVAL = respipe [0];	1505	RETVAL = s_epipe_fd (&respipe);
1134	OUTPUT:	1506	OUTPUT:
1135	RETVAL	1507	RETVAL
1136		1508
1137	int	1509	int
1138	poll_cb (...)	1510	poll_cb (...)
…		…
1174		1546
1175	int	1547	int
1176	nthreads ()	1548	nthreads ()
1177	PROTOTYPE:	1549	PROTOTYPE:
1178	CODE:	1550	CODE:
1179	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1551	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180	RETVAL = started;	1552	RETVAL = started;
1181	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1553	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182	OUTPUT:	1554	OUTPUT:
1183	RETVAL	1555	RETVAL
1184		1556
1185	void	1557	SV *
1186	set_sync_prepare (SV *cb)	1558	set_sync_prepare (SV *cb)
1187	PROTOTYPE: &	1559	PROTOTYPE: &
1188	CODE:	1560	CODE:
1189	SvREFCNT_dec (prepare_cb);	1561	RETVAL = prepare_cb;
1190	prepare_cb = newSVsv (cb);	1562	prepare_cb = newSVsv (cb);
		1563	OUTPUT:
		1564	RETVAL
1191		1565
		1566	char *
		1567	strerror (int errorno = errno)
		1568	PROTOTYPE: ;$
		1569	CODE:
		1570	RETVAL = db_strerror (errorno);
		1571	OUTPUT:
		1572	RETVAL
		1573
		1574	void _on_next_submit (SV *cb)
		1575	CODE:
		1576	SvREFCNT_dec (on_next_submit);
		1577	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192		1578
1193	DB_ENV *	1579	DB_ENV *
1194	db_env_create (U32 env_flags = 0)	1580	db_env_create (U32 env_flags = 0)
1195	CODE:	1581	CODE:
1196	{	1582	{
1197	errno = db_env_create (&RETVAL, env_flags);	1583	errno = db_env_create (&RETVAL, env_flags);
1198	if (errno)	1584	if (errno)
1199	croak ("db_env_create: %s", db_strerror (errno));	1585	croak ("db_env_create: %s", db_strerror (errno));
		1586
		1587	if (0)
		1588	{
		1589	RETVAL->set_errcall (RETVAL, debug_errcall);
		1590	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1591	}
1200	}	1592	}
1201	OUTPUT:	1593	OUTPUT:
1202	RETVAL	1594	RETVAL
1203		1595
1204	void	1596	void
1205	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1597	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1598	PREINIT:
		1599	CALLBACK
1206	CODE:	1600	CODE:
1207	{	1601	{
1208	env->set_thread_count (env, get_nthreads ());
1209
1210	dREQ (REQ_ENV_OPEN);	1602	dREQ (REQ_ENV_OPEN, 1);
1211	req->env = env;	1603	req->env = env;
1212	req->uint1 = open_flags \| DB_THREAD;	1604	req->uint1 = open_flags \| DB_THREAD;
1213	req->int1 = mode;	1605	req->int1 = mode;
1214	req->buf1 = strdup_ornull (db_home);	1606	req->buf1 = strdup_ornull (db_home);
1215	REQ_SEND;	1607	REQ_SEND;
1216	}	1608	}
1217		1609
1218	void	1610	void
1219	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1611	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1612	PREINIT:
		1613	CALLBACK
1220	CODE:	1614	CODE:
1221	{	1615	{
1222	dREQ (REQ_ENV_CLOSE);	1616	dREQ (REQ_ENV_CLOSE, 0);
		1617	ptr_nuke (ST (0));
1223	req->env = env;	1618	req->env = env;
1224	req->uint1 = flags;	1619	req->uint1 = flags;
1225	REQ_SEND;	1620	REQ_SEND;
1226	ptr_nuke (ST (0));
1227	}	1621	}
1228		1622
1229	void	1623	void
1230	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1624	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1625	PREINIT:
		1626	CALLBACK
1231	CODE:	1627	CODE:
1232	{	1628	{
1233	dREQ (REQ_ENV_TXN_CHECKPOINT);	1629	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1234	req->env = env;	1630	req->env = env;
1235	req->uint1 = kbyte;	1631	req->uint1 = kbyte;
1236	req->int1 = min;	1632	req->int1 = min;
1237	req->uint2 = flags;	1633	req->uint2 = flags;
1238	REQ_SEND;	1634	REQ_SEND;
1239	}	1635	}
1240		1636
1241	void	1637	void
1242	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1638	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1639	PREINIT:
		1640	CALLBACK
1243	CODE:	1641	CODE:
1244	{	1642	{
1245	dREQ (REQ_ENV_LOCK_DETECT);	1643	dREQ (REQ_ENV_LOCK_DETECT, 1);
1246	req->env = env;	1644	req->env = env;
1247	req->uint1 = flags;	1645	req->uint1 = flags;
1248	req->uint2 = atype;	1646	req->uint2 = atype;
		1647	/* req->int2 = 0; dummy */
1249	REQ_SEND;	1648	REQ_SEND;
1250	}	1649	}
1251		1650
1252	void	1651	void
1253	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1652	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1653	PREINIT:
		1654	CALLBACK
1254	CODE:	1655	CODE:
1255	{	1656	{
1256	dREQ (REQ_ENV_MEMP_SYNC);	1657	dREQ (REQ_ENV_MEMP_SYNC, 1);
1257	req->env = env;	1658	req->env = env;
1258	REQ_SEND;	1659	REQ_SEND;
1259	}	1660	}
1260		1661
1261	void	1662	void
1262	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1663	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1664	PREINIT:
		1665	CALLBACK
1263	CODE:	1666	CODE:
1264	{	1667	{
1265	dREQ (REQ_ENV_MEMP_TRICKLE);	1668	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1266	req->env = env;	1669	req->env = env;
1267	req->int1 = percent;	1670	req->int1 = percent;
1268	REQ_SEND;	1671	REQ_SEND;
1269	}	1672	}
1270		1673
		1674	void
		1675	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1676	PREINIT:
		1677	CALLBACK
		1678	CODE:
		1679	{
		1680	dREQ (REQ_ENV_DBREMOVE, 2);
		1681	req->env = env;
		1682	req->buf1 = strdup_ornull (file);
		1683	req->buf2 = strdup_ornull (database);
		1684	req->uint1 = flags;
		1685	REQ_SEND;
		1686	}
		1687
		1688	void
		1689	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)
		1690	PREINIT:
		1691	CALLBACK
		1692	CODE:
		1693	{
		1694	dREQ (REQ_ENV_DBRENAME, 2);
		1695	req->env = env;
		1696	req->buf1 = strdup_ornull (file);
		1697	req->buf2 = strdup_ornull (database);
		1698	req->buf3 = strdup_ornull (newname);
		1699	req->uint1 = flags;
		1700	REQ_SEND;
		1701	}
		1702
		1703	void
		1704	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1705	PREINIT:
		1706	CALLBACK
		1707	CODE:
		1708	{
		1709	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1710	req->sv1 = SvREFCNT_inc (listp);
		1711	req->env = env;
		1712	req->uint1 = flags;
		1713	REQ_SEND;
		1714	}
1271		1715
1272	DB *	1716	DB *
1273	db_create (DB_ENV *env = 0, U32 flags = 0)	1717	db_create (DB_ENV *env = 0, U32 flags = 0)
1274	CODE:	1718	CODE:
1275	{	1719	{
…		…
1282	}	1726	}
1283	OUTPUT:	1727	OUTPUT:
1284	RETVAL	1728	RETVAL
1285		1729
1286	void	1730	void
1287	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1731	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1732	PREINIT:
		1733	CALLBACK
1288	CODE:	1734	CODE:
1289	{	1735	{
1290	dREQ (REQ_DB_OPEN);	1736	dREQ (REQ_DB_OPEN, 2);
1291	req->db = db;	1737	req->db = db;
1292	req->txn = txnid;	1738	req->txn = txnid;
1293	req->buf1 = strdup_ornull (file);	1739	req->buf1 = strdup_ornull (file);
1294	req->buf2 = strdup_ornull (database);	1740	req->buf2 = strdup_ornull (database);
1295	req->int1 = type;	1741	req->int1 = type;
…		…
1297	req->int2 = mode;	1743	req->int2 = mode;
1298	REQ_SEND;	1744	REQ_SEND;
1299	}	1745	}
1300		1746
1301	void	1747	void
1302	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1748	db_close (DB db, U32 flags = 0, SV callback = 0)
		1749	PREINIT:
		1750	CALLBACK
1303	CODE:	1751	CODE:
1304	{	1752	{
1305	dREQ (REQ_DB_CLOSE);	1753	dREQ (REQ_DB_CLOSE, 0);
		1754	ptr_nuke (ST (0));
1306	req->db = db;	1755	req->db = db;
1307	req->uint1 = flags;	1756	req->uint1 = flags;
1308	req->sv1 = (SV *)db->app_private;	1757	req->sv1 = (SV *)db->app_private;
1309	REQ_SEND;	1758	REQ_SEND;
1310	ptr_nuke (ST (0));
1311	}	1759	}
1312		1760
		1761	#if DB_VERSION_MINOR >= 4
		1762
1313	void	1763	void
1314	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)	1764	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)
		1765	PREINIT:
		1766	CALLBACK
1315	CODE:	1767	CODE:
1316	{	1768	{
1317	dREQ (REQ_DB_COMPACT);	1769	dREQ (REQ_DB_COMPACT, 2);
1318	req->db = db;	1770	req->db = db;
1319	req->txn = txn;	1771	req->txn = txn;
1320	sv_to_dbt (&req->dbt1, start);	1772	if (start) sv_to_dbt (&req->dbt1, start);
1321	sv_to_dbt (&req->dbt2, stop);	1773	if (stop ) sv_to_dbt (&req->dbt2, stop );
1322	req->uint1 = flags;	1774	req->uint1 = flags;
1323	REQ_SEND;	1775	REQ_SEND;
1324	}	1776	}
1325		1777
		1778	#endif
		1779
1326	void	1780	void
1327	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1781	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1782	PREINIT:
		1783	CALLBACK
1328	CODE:	1784	CODE:
1329	{	1785	{
1330	dREQ (REQ_DB_SYNC);	1786	dREQ (REQ_DB_SYNC, 1);
1331	req->db = db;	1787	req->db = db;
1332	req->uint1 = flags;	1788	req->uint1 = flags;
1333	REQ_SEND;	1789	REQ_SEND;
1334	}	1790	}
1335		1791
1336	void	1792	void
		1793	db_verify (DB db, bdb_filename file, bdb_filename database = 0, SV dummy = 0, U32 flags = 0, SV *callback = 0)
		1794	PREINIT:
		1795	CALLBACK
		1796	CODE:
		1797	{
		1798	dREQ (REQ_DB_VERIFY, 1);
		1799	ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
		1800	req->db = db;
		1801	req->buf1 = strdup (file);
		1802	req->buf2 = strdup_ornull (database);
		1803	req->uint1 = flags;
		1804	REQ_SEND;
		1805	}
		1806
		1807	void
		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_UPGRADE, 1);
		1814	req->db = db;
		1815	req->buf1 = strdup (file);
		1816	req->uint1 = flags;
		1817	REQ_SEND;
		1818	}
		1819
		1820	void
1337	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	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
1338	CODE:	1824	CODE:
1339	{	1825	{
1340	dREQ (REQ_DB_KEY_RANGE);	1826	dREQ (REQ_DB_KEY_RANGE, 2);
1341	req->db = db;	1827	req->db = db;
1342	req->txn = txn;	1828	req->txn = txn;
1343	sv_to_dbt (&req->dbt1, key);	1829	sv_to_dbt (&req->dbt1, key);
1344	req->uint1 = flags;	1830	req->uint1 = flags;
1345	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1831	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1346	REQ_SEND;	1832	REQ_SEND;
1347	}	1833	}
1348		1834
1349	void	1835	void
1350	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
1351	CODE:	1839	CODE:
1352	{	1840	{
1353	dREQ (REQ_DB_PUT);	1841	dREQ (REQ_DB_PUT, 2);
1354	req->db = db;	1842	req->db = db;
1355	req->txn = txn;	1843	req->txn = txn;
1356	sv_to_dbt (&req->dbt1, key);	1844	sv_to_dbt (&req->dbt1, key);
1357	sv_to_dbt (&req->dbt2, data);	1845	sv_to_dbt (&req->dbt2, data);
1358	req->uint1 = flags;	1846	req->uint1 = flags;
1359	REQ_SEND;	1847	REQ_SEND;
1360	}	1848	}
1361		1849
		1850	#if DB_VERSION_MINOR >= 6
		1851
1362	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
1363	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
1364	CODE:	1872	CODE:
1365	{	1873	{
		1874	//TODO: key is somtimesmutable
1366	dREQ (REQ_DB_GET);	1875	dREQ (REQ_DB_GET, 2);
1367	req->db = db;	1876	req->db = db;
1368	req->txn = txn;	1877	req->txn = txn;
1369	req->uint1 = flags;	1878	req->uint1 = flags;
1370	sv_to_dbt (&req->dbt1, key);	1879	sv_to_dbt (&req->dbt1, key);
1371	req->dbt3.flags = DB_DBT_MALLOC;	1880	req->dbt3.flags = DB_DBT_MALLOC;
1372	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1881	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1373	REQ_SEND;	1882	REQ_SEND;
1374	}	1883	}
1375		1884
1376	void	1885	void
1377	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
1378	CODE:	1889	CODE:
1379	{	1890	{
		1891	//TODO: key is somtimesmutable
1380	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);
1381	req->db = db;	1914	req->db = db;
1382	req->txn = txn;	1915	req->txn = txn;
1383	req->uint1 = flags;	1916	req->uint1 = flags;
1384	sv_to_dbt (&req->dbt1, key);	1917	sv_to_dbt (&req->dbt1, key);
1385	sv_to_dbt (&req->dbt2, pkey);
1386	req->dbt3.flags = DB_DBT_MALLOC;
1387	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1388	REQ_SEND;	1918	REQ_SEND;
1389	}	1919	}
1390		1920
1391	void	1921	void
1392	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
1393	CODE:	1925	CODE:
1394	{	1926	{
1395	dREQ (REQ_DB_DEL);	1927	dREQ (REQ_TXN_COMMIT, 0);
1396	req->db = db;	1928	ptr_nuke (ST (0));
1397	req->txn = txn;	1929	req->txn = txn;
1398	req->uint1 = flags;	1930	req->uint1 = flags;
1399	sv_to_dbt (&req->dbt1, key);
1400	REQ_SEND;	1931	REQ_SEND;
1401	}	1932	}
1402		1933
1403	void	1934	void
1404	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
1405	CODE:	1938	CODE:
1406	{	1939	{
1407	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));
1408	req->txn = txn;	1954	req->txn = txn;
1409	req->uint1 = flags;	1955	req->uint1 = flags;
1410	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);
1411	ptr_nuke (ST (0));	1966	ptr_nuke (ST (0));
1412	}
1413
1414	void
1415	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1416	CODE:
1417	{
1418	dREQ (REQ_TXN_ABORT);
1419	req->txn = txn;
1420	REQ_SEND;
1421	ptr_nuke (ST (0));
1422	}
1423
1424	void
1425	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1426	CODE:
1427	{
1428	dREQ (REQ_C_CLOSE);
1429	req->dbc = dbc;	1967	req->dbc = dbc;
1430	REQ_SEND;	1968	REQ_SEND;
1431	ptr_nuke (ST (0));
1432	}	1969	}
1433		1970
1434	void	1971	void
1435	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
1436	CODE:	1975	CODE:
1437	{	1976	{
1438	dREQ (REQ_C_COUNT);	1977	dREQ (REQ_C_COUNT, 1);
1439	req->dbc = dbc;	1978	req->dbc = dbc;
1440	req->sv1 = SvREFCNT_inc (count);	1979	req->sv1 = SvREFCNT_inc (count);
1441	REQ_SEND;	1980	REQ_SEND;
1442	}	1981	}
1443		1982
1444	void	1983	void
1445	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
1446	CODE:	1987	CODE:
1447	{	1988	{
1448	dREQ (REQ_C_PUT);	1989	dREQ (REQ_C_PUT, 1);
1449	req->dbc = dbc;	1990	req->dbc = dbc;
1450	sv_to_dbt (&req->dbt1, key);	1991	sv_to_dbt (&req->dbt1, key);
1451	sv_to_dbt (&req->dbt2, data);	1992	sv_to_dbt (&req->dbt2, data);
1452	req->uint1 = flags;	1993	req->uint1 = flags;
1453	REQ_SEND;	1994	REQ_SEND;
1454	}	1995	}
1455		1996
1456	void	1997	void
1457	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
1458	CODE:	2001	CODE:
1459	{	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	{
1460	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);
1461	req->dbc = dbc;	2087	req->dbc = dbc;
1462	req->uint1 = flags;	2088	req->uint1 = flags;
1463	if ((flags & DB_SET) == DB_SET
1464	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1465	sv_to_dbt (&req->dbt1, key);
1466	else
1467	req->dbt1.flags = DB_DBT_MALLOC;
1468
1469	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1470
1471	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1472	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1473	sv_to_dbt (&req->dbt3, data);
1474	else
1475	req->dbt3.flags = DB_DBT_MALLOC;
1476
1477	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1478	REQ_SEND;	2089	REQ_SEND;
1479	}	2090	}
1480		2091
1481	void
1482	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1483	CODE:
1484	{
1485	dREQ (REQ_C_PGET);
1486	req->dbc = dbc;
1487	req->uint1 = flags;
1488	if ((flags & DB_SET) == DB_SET
1489	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1490	sv_to_dbt (&req->dbt1, key);
1491	else
1492	req->dbt1.flags = DB_DBT_MALLOC;
1493		2092
1494	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2093	#if DB_VERSION_MINOR >= 3
1495		2094
1496	req->dbt2.flags = DB_DBT_MALLOC;
1497	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1498
1499	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1500	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1501	sv_to_dbt (&req->dbt3, data);
1502	else
1503	req->dbt3.flags = DB_DBT_MALLOC;
1504
1505	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1506	REQ_SEND;
1507	}
1508
1509	void	2095	void
1510	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1511	CODE:
1512	{
1513	dREQ (REQ_C_DEL);
1514	req->dbc = dbc;
1515	req->uint1 = flags;
1516	REQ_SEND;
1517	}
1518
1519
1520	void
1521	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	2096	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2097	PREINIT:
		2098	CALLBACK
1522	CODE:	2099	CODE:
1523	{	2100	{
1524	dREQ (REQ_SEQ_OPEN);	2101	dREQ (REQ_SEQ_OPEN, 2);
1525	req->seq = seq;	2102	req->seq = seq;
1526	req->txn = txnid;	2103	req->txn = txnid;
1527	req->uint1 = flags \| DB_THREAD;	2104	req->uint1 = flags \| DB_THREAD;
1528	sv_to_dbt (&req->dbt1, key);	2105	sv_to_dbt (&req->dbt1, key);
1529	REQ_SEND;	2106	REQ_SEND;
1530	}	2107	}
1531		2108
1532	void	2109	void
1533	db_sequence_close (DB_SEQUENCE seq, 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
1534	CODE:	2113	CODE:
1535	{	2114	{
1536	dREQ (REQ_SEQ_CLOSE);	2115	dREQ (REQ_SEQ_CLOSE, 0);
		2116	ptr_nuke (ST (0));
1537	req->seq = seq;	2117	req->seq = seq;
1538	req->uint1 = flags;	2118	req->uint1 = flags;
1539	REQ_SEND;	2119	REQ_SEND;
1540	ptr_nuke (ST (0));
1541	}	2120	}
1542		2121
1543	void	2122	void
1544	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = &PL_sv_undef)	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
1545	CODE:	2126	CODE:
1546	{	2127	{
1547	dREQ (REQ_SEQ_GET);	2128	dREQ (REQ_SEQ_GET, 2);
1548	req->seq = seq;	2129	req->seq = seq;
1549	req->txn = txnid;	2130	req->txn = txnid;
1550	req->int1 = delta;	2131	req->int1 = delta;
1551	req->uint1 = flags;	2132	req->uint1 = flags;
1552	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2133	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1553	REQ_SEND;	2134	REQ_SEND;
1554	}	2135	}
1555		2136
1556	void	2137	void
1557	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2138	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2139	PREINIT:
		2140	CALLBACK
1558	CODE:	2141	CODE:
1559	{	2142	{
1560	dREQ (REQ_SEQ_REMOVE);	2143	dREQ (REQ_SEQ_REMOVE, 2);
1561	req->seq = seq;	2144	req->seq = seq;
1562	req->txn = txnid;	2145	req->txn = txnid;
1563	req->uint1 = flags;	2146	req->uint1 = flags;
1564	REQ_SEND;	2147	REQ_SEND;
1565	}	2148	}
1566		2149
		2150	#endif
		2151
1567		2152
1568	MODULE = BDB PACKAGE = BDB::Env	2153	MODULE = BDB PACKAGE = BDB::Env
1569		2154
1570	void	2155	void
1571	DESTROY (DB_ENV_ornull *env)	2156	DESTROY (DB_ENV_ornuked *env)
1572	CODE:	2157	CODE:
1573	if (env)	2158	if (env)
1574	env->close (env, 0);	2159	env->close (env, 0);
1575		2160
1576	int set_data_dir (DB_ENV env, const char dir)	2161	int set_data_dir (DB_ENV env, const char dir)
…		…
1601	CODE:	2186	CODE:
1602	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2187	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603	OUTPUT:	2188	OUTPUT:
1604	RETVAL	2189	RETVAL
1605		2190
1606	int set_flags (DB_ENV *env, U32 flags, int onoff)	2191	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607	CODE:	2192	CODE:
1608	RETVAL = env->set_flags (env, flags, onoff);	2193	RETVAL = env->set_flags (env, flags, onoff);
1609	OUTPUT:	2194	OUTPUT:
1610	RETVAL	2195	RETVAL
1611		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
1612	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)
1613	CODE:	2229	CODE:
1614	RETVAL = env->set_encrypt (env, password, flags);	2230	RETVAL = env->set_encrypt (env, password, flags);
1615	OUTPUT:	2231	OUTPUT:
1616	RETVAL	2232	RETVAL
1617		2233
1618	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)
1619	CODE:	2235	CODE:
1620	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2236	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621	OUTPUT:	2237	OUTPUT:
1622	RETVAL	2238	RETVAL
1623		2239
…		…
1672	int set_lg_max (DB_ENV *env, U32 max)	2288	int set_lg_max (DB_ENV *env, U32 max)
1673	CODE:	2289	CODE:
1674	RETVAL = env->set_lg_max (env, max);	2290	RETVAL = env->set_lg_max (env, max);
1675	OUTPUT:	2291	OUTPUT:
1676	RETVAL	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
1677		2321
1678	DB_TXN *	2322	DB_TXN *
1679	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)
1680	CODE:	2324	CODE:
1681	errno = env->txn_begin (env, parent, &RETVAL, flags);	2325	errno = env->txn_begin (env, parent, &RETVAL, flags);
1682	if (errno)	2326	if (errno)
1683	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2327	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1684	OUTPUT:	2328	OUTPUT:
1685	RETVAL	2329	RETVAL
1686		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
1687	MODULE = BDB PACKAGE = BDB::Db	2344	MODULE = BDB PACKAGE = BDB::Db
1688		2345
1689	void	2346	void
1690	DESTROY (DB_ornull *db)	2347	DESTROY (DB_ornuked *db)
1691	CODE:	2348	CODE:
1692	if (db)	2349	if (db)
1693	{	2350	{
1694	SV env = (SV )db->app_private;	2351	SV env = (SV )db->app_private;
1695	db->close (db, 0);	2352	db->close (db, 0);
…		…
1700	CODE:	2357	CODE:
1701	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2358	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702	OUTPUT:	2359	OUTPUT:
1703	RETVAL	2360	RETVAL
1704		2361
		2362	int set_pagesize (DB *db, U32 pagesize)
		2363	CODE:
		2364	RETVAL = db->set_pagesize (db, pagesize);
		2365	OUTPUT:
		2366	RETVAL
		2367
1705	int set_flags (DB *db, U32 flags);	2368	int set_flags (DB *db, U32 flags)
1706	CODE:	2369	CODE:
1707	RETVAL = db->set_flags (db, flags);	2370	RETVAL = db->set_flags (db, flags);
1708	OUTPUT:	2371	OUTPUT:
1709	RETVAL	2372	RETVAL
1710		2373
…		…
1724	CODE:	2387	CODE:
1725	RETVAL = db->set_bt_minkey (db, minkey);	2388	RETVAL = db->set_bt_minkey (db, minkey);
1726	OUTPUT:	2389	OUTPUT:
1727	RETVAL	2390	RETVAL
1728		2391
1729	int set_re_delim(DB *db, int delim);	2392	int set_re_delim (DB *db, int delim)
1730	CODE:	2393	CODE:
1731	RETVAL = db->set_re_delim (db, delim);	2394	RETVAL = db->set_re_delim (db, delim);
1732	OUTPUT:	2395	OUTPUT:
1733	RETVAL	2396	RETVAL
1734		2397
…		…
1775	if (errno)	2438	if (errno)
1776	croak ("DB->cursor: %s", db_strerror (errno));	2439	croak ("DB->cursor: %s", db_strerror (errno));
1777	OUTPUT:	2440	OUTPUT:
1778	RETVAL	2441	RETVAL
1779		2442
		2443	#if DB_VERSION_MINOR >= 3
		2444
1780	DB_SEQUENCE *	2445	DB_SEQUENCE *
1781	sequence (DB *db, U32 flags = 0)	2446	sequence (DB *db, U32 flags = 0)
1782	CODE:	2447	CODE:
1783	{	2448	{
1784	errno = db_sequence_create (&RETVAL, db, flags);	2449	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1786	croak ("db_sequence_create: %s", db_strerror (errno));	2451	croak ("db_sequence_create: %s", db_strerror (errno));
1787	}	2452	}
1788	OUTPUT:	2453	OUTPUT:
1789	RETVAL	2454	RETVAL
1790		2455
		2456	#endif
		2457
1791		2458
1792	MODULE = BDB PACKAGE = BDB::Txn	2459	MODULE = BDB PACKAGE = BDB::Txn
1793		2460
1794	void	2461	void
1795	DESTROY (DB_TXN_ornull *txn)	2462	DESTROY (DB_TXN_ornuked *txn)
1796	CODE:	2463	CODE:
1797	if (txn)	2464	if (txn)
1798	txn->abort (txn);	2465	txn->abort (txn);
1799		2466
1800	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)
1801	CODE:	2468	CODE:
1802	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2469	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803	OUTPUT:	2470	OUTPUT:
1804	RETVAL	2471	RETVAL
1805		2472
		2473	int failed (DB_TXN *txn)
		2474	CODE:
		2475	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2476	OUTPUT:
		2477	RETVAL
		2478
1806		2479
1807	MODULE = BDB PACKAGE = BDB::Cursor	2480	MODULE = BDB PACKAGE = BDB::Cursor
1808		2481
1809	void	2482	void
1810	DESTROY (DBC_ornull *dbc)	2483	DESTROY (DBC_ornuked *dbc)
1811	CODE:	2484	CODE:
1812	if (dbc)	2485	if (dbc)
1813	dbc->c_close (dbc);	2486	dbc->c_close (dbc);
1814		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
1815	MODULE = BDB PACKAGE = BDB::Sequence	2498	MODULE = BDB PACKAGE = BDB::Sequence
1816		2499
1817	void	2500	void
1818	DESTROY (DB_SEQUENCE_ornull *seq)	2501	DESTROY (DB_SEQUENCE_ornuked *seq)
1819	CODE:	2502	CODE:
1820	if (seq)	2503	if (seq)
1821	seq->close (seq, 0);	2504	seq->close (seq, 0);
1822		2505
1823	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2506	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1842	CODE:	2525	CODE:
1843	RETVAL = seq->set_range (seq, min, max);	2526	RETVAL = seq->set_range (seq, min, max);
1844	OUTPUT:	2527	OUTPUT:
1845	RETVAL	2528	RETVAL
1846		2529
		2530	#endif
		2531
		2532

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Comparing BDB/BDB.xs (file contents): Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs. Revision 1.72 by root, Fri Dec 4 15:04:06 2009 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.72 by root, Fri Dec 4 15:04:06 2009 UTC