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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 1.62 by root, Mon Oct 20 04:21:53 2008 UTC

1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
29		33
30	#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	34	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
31	# error you need Berkeley DB 4.5 or newer installed	35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
32	#endif	36	#endif
33		37
34	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
35	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
36		40
37	/* wether word reads are potentially non-atomic.	41	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		42
49	typedef DB_ENV DB_ENV_ornull;	43	typedef DB_ENV DB_ENV_ornull;
50	typedef DB_TXN DB_TXN_ornull;	44	typedef DB_TXN DB_TXN_ornull;
51	typedef DBC DBC_ornull;	45	typedef DBC DBC_ornull;
52	typedef DB DB_ornull;	46	typedef DB DB_ornull;
		47
		48	typedef DB_ENV DB_ENV_ornuked;
		49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
53	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		56	#endif
54		57
55	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef char *bdb_filename;
56	typedef char *octetstring;
57		59
58	static SV *prepare_cb;	60	static SV *prepare_cb;
59		61
		62	#if DB_VERSION_MINOR >= 6
		63	# define c_close close
		64	# define c_count count
		65	# define c_del del
		66	# define c_dup dup
		67	# define c_get get
		68	# define c_pget pget
		69	# define c_put put
		70	#endif
		71
60	static inline char *	72	static char *
		73	get_bdb_filename (SV *sv)
		74	{
		75	if (!SvOK (sv))
		76	return 0;
		77
		78	#if _WIN32
		79	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		80	{
		81	STRLEN len;
		82	char *src = SvPVbyte (sv, len);
		83	SV *t1 = sv_newmortal ();
		84	SV *t2 = sv_newmortal ();
		85
		86	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		87	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		88
		89	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		90	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		91	SvPOK_only (t2);
		92	SvPVX (t2)[len] = 0;
		93	SvCUR_set (t2, len);
		94
		95	return SvPVX (t2);
		96	}
		97	#else
		98	return SvPVbyte_nolen (sv);
		99	#endif
		100	}
		101
		102	static void
		103	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		104	{
		105	printf ("err[%s]\n", msg);
		106	}
		107
		108	static void
		109	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		110	{
		111	printf ("msg[%s]\n", msg);
		112	}
		113
		114	static char *
61	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
62	{	116	{
63	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
64	}	118	}
65		119
66	static inline void	120	static void
67	sv_to_dbt (DBT *dbt, SV *sv)	121	sv_to_dbt (DBT *dbt, SV *sv)
68	{	122	{
69	STRLEN len;	123	STRLEN len;
70	char *data = SvPVbyte (sv, len);	124	char *data = SvPVbyte (sv, len);
71		125
…		…
73	memcpy (dbt->data, data, len);	127	memcpy (dbt->data, data, len);
74	dbt->size = len;	128	dbt->size = len;
75	dbt->flags = DB_DBT_REALLOC;	129	dbt->flags = DB_DBT_REALLOC;
76	}	130	}
77		131
78	static inline void	132	static void
79	dbt_to_sv (SV *sv, DBT *dbt)	133	dbt_to_sv (SV *sv, DBT *dbt)
80	{	134	{
81	if (sv)	135	if (sv)
82	{	136	{
83	SvREADONLY_off (sv);	137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
84	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setpvn_mg (sv, dbt->data, dbt->size);
		141	else
		142	sv_setsv_mg (sv, &PL_sv_undef);
		143
85	SvREFCNT_dec (sv);	144	SvREFCNT_dec (sv);
86	}	145	}
87		146
88	free (dbt->data);	147	free (dbt->data);
89	}	148	}
90		149
91	enum {	150	enum {
92	REQ_QUIT,	151	REQ_QUIT,
93	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
94	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
95	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	154	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
96	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	155	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97	REQ_TXN_COMMIT, REQ_TXN_ABORT,	156	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,	157	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,	158	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100	};	159	};
101		160
102	typedef struct aio_cb	161	typedef struct bdb_cb
103	{	162	{
104	struct aio_cb *volatile next;	163	struct bdb_cb *volatile next;
105	SV *callback;	164	SV *callback;
106	int type, pri, result;	165	int type, pri, result;
107		166
108	DB_ENV *env;	167	DB_ENV *env;
109	DB *db;	168	DB *db;
…		…
111	DBC *dbc;	170	DBC *dbc;
112		171
113	UV uv1;	172	UV uv1;
114	int int1, int2;	173	int int1, int2;
115	U32 uint1, uint2;	174	U32 uint1, uint2;
116	char *buf1, *buf2;	175	char *buf1, *buf2, *buf3;
117	SV *sv1, *sv2, *sv3;	176	SV *sv1, *sv2, *sv3;
118		177
119	DBT dbt1, dbt2, dbt3;	178	DBT dbt1, dbt2, dbt3;
120	DB_KEY_RANGE key_range;	179	DB_KEY_RANGE key_range;
		180	#if DB_VERSION_MINOR >= 3
121	DB_SEQUENCE *seq;	181	DB_SEQUENCE *seq;
122	db_seq_t seq_t;	182	db_seq_t seq_t;
123	} aio_cb;	183	#endif
124		184
		185	SV *rsv1, *rsv2; // keep some request objects alive
		186	} bdb_cb;
		187
125	typedef aio_cb *aio_req;	188	typedef bdb_cb *bdb_req;
126		189
127	enum {	190	enum {
128	PRI_MIN = -4,	191	PRI_MIN = -4,
129	PRI_MAX = 4,	192	PRI_MAX = 4,
130		193
…		…
133	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	196	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
134	};	197	};
135		198
136	#define AIO_TICKS ((1000000 + 1023) >> 10)	199	#define AIO_TICKS ((1000000 + 1023) >> 10)
137		200
		201	static SV *on_next_submit;
		202
138	static unsigned int max_poll_time = 0;	203	static unsigned int max_poll_time = 0;
139	static unsigned int max_poll_reqs = 0;	204	static unsigned int max_poll_reqs = 0;
140		205
141	/* calculcate time difference in ~1/AIO_TICKS of a second */	206	/* calculcate time difference in ~1/AIO_TICKS of a second */
142	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	207	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
147		212
148	static int next_pri = DEFAULT_PRI + PRI_BIAS;	213	static int next_pri = DEFAULT_PRI + PRI_BIAS;
149		214
150	static unsigned int started, idle, wanted;	215	static unsigned int started, idle, wanted;
151		216
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 */	217	/* worker threads management */
162	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	218	static mutex_t wrklock = X_MUTEX_INIT;
163		219
164	typedef struct worker {	220	typedef struct worker {
165	/* locked by wrklock */	221	/* locked by wrklock */
166	struct worker *prev, *next;	222	struct worker *prev, *next;
167		223
168	pthread_t tid;	224	thread_t tid;
169		225
170	/* locked by reslock, reqlock or wrklock */	226	/* locked by reslock, reqlock or wrklock */
171	aio_req req; /* currently processed request */	227	bdb_req req; /* currently processed request */
172	void *dbuf;	228	void *dbuf;
173	DIR *dirp;	229	DIR *dirp;
174	} worker;	230	} worker;
175		231
176	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	232	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
188	}	244	}
189		245
190	static volatile unsigned int nreqs, nready, npending;	246	static volatile unsigned int nreqs, nready, npending;
191	static volatile unsigned int max_idle = 4;	247	static volatile unsigned int max_idle = 4;
192	static volatile unsigned int max_outstanding = 0xffffffff;	248	static volatile unsigned int max_outstanding = 0xffffffff;
193	static int respipe [2];	249	static int respipe_osf [2], respipe [2] = { -1, -1 };
194		250
195	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	251	static mutex_t reslock = X_MUTEX_INIT;
196	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	252	static mutex_t reqlock = X_MUTEX_INIT;
197	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	253	static cond_t reqwait = X_COND_INIT;
198		254
199	#if WORDACCESS_UNSAFE	255	#if WORDACCESS_UNSAFE
200		256
201	static unsigned int get_nready ()	257	static unsigned int get_nready (void)
202	{	258	{
203	unsigned int retval;	259	unsigned int retval;
204		260
205	LOCK (reqlock);	261	X_LOCK (reqlock);
206	retval = nready;	262	retval = nready;
207	UNLOCK (reqlock);	263	X_UNLOCK (reqlock);
208		264
209	return retval;	265	return retval;
210	}	266	}
211		267
212	static unsigned int get_npending ()	268	static unsigned int get_npending (void)
213	{	269	{
214	unsigned int retval;	270	unsigned int retval;
215		271
216	LOCK (reslock);	272	X_LOCK (reslock);
217	retval = npending;	273	retval = npending;
218	UNLOCK (reslock);	274	X_UNLOCK (reslock);
219		275
220	return retval;	276	return retval;
221	}	277	}
222		278
223	static unsigned int get_nthreads ()	279	static unsigned int get_nthreads (void)
224	{	280	{
225	unsigned int retval;	281	unsigned int retval;
226		282
227	LOCK (wrklock);	283	X_LOCK (wrklock);
228	retval = started;	284	retval = started;
229	UNLOCK (wrklock);	285	X_UNLOCK (wrklock);
230		286
231	return retval;	287	return retval;
232	}	288	}
233		289
234	#else	290	#else
…		…
243	* a somewhat faster data structure might be nice, but	299	* a somewhat faster data structure might be nice, but
244	* with 8 priorities this actually needs <20 insns	300	* with 8 priorities this actually needs <20 insns
245	* per shift, the most expensive operation.	301	* per shift, the most expensive operation.
246	*/	302	*/
247	typedef struct {	303	typedef struct {
248	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	304	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249	int size;	305	int size;
250	} reqq;	306	} reqq;
251		307
252	static reqq req_queue;	308	static reqq req_queue;
253	static reqq res_queue;	309	static reqq res_queue;
254		310
255	int reqq_push (reqq *q, aio_req req)	311	int reqq_push (reqq *q, bdb_req req)
256	{	312	{
257	int pri = req->pri;	313	int pri = req->pri;
258	req->next = 0;	314	req->next = 0;
259		315
260	if (q->qe[pri])	316	if (q->qe[pri])
…		…
266	q->qe[pri] = q->qs[pri] = req;	322	q->qe[pri] = q->qs[pri] = req;
267		323
268	return q->size++;	324	return q->size++;
269	}	325	}
270		326
271	aio_req reqq_shift (reqq *q)	327	bdb_req reqq_shift (reqq *q)
272	{	328	{
273	int pri;	329	int pri;
274		330
275	if (!q->size)	331	if (!q->size)
276	return 0;	332	return 0;
277		333
278	--q->size;	334	--q->size;
279		335
280	for (pri = NUM_PRI; pri--; )	336	for (pri = NUM_PRI; pri--; )
281	{	337	{
282	aio_req req = q->qs[pri];	338	bdb_req req = q->qs[pri];
283		339
284	if (req)	340	if (req)
285	{	341	{
286	if (!(q->qs[pri] = req->next))	342	if (!(q->qs[pri] = req->next))
287	q->qe[pri] = 0;	343	q->qe[pri] = 0;
…		…
291	}	347	}
292		348
293	abort ();	349	abort ();
294	}	350	}
295		351
296	static int poll_cb ();	352	static int poll_cb (void);
297	static void req_free (aio_req req);	353	static void req_free (bdb_req req);
298	static void req_cancel (aio_req req);
299		354
300	static int req_invoke (aio_req req)	355	static int req_invoke (bdb_req req)
301	{	356	{
302	dSP;	357	switch (req->type)
303
304	if (SvOK (req->callback))
305	{	358	{
		359	case REQ_DB_CLOSE:
		360	SvREFCNT_dec (req->sv1);
		361	break;
		362
		363	case REQ_DB_GET:
		364	case REQ_DB_PGET:
		365	case REQ_C_GET:
		366	case REQ_C_PGET:
		367	case REQ_DB_PUT:
		368	case REQ_C_PUT:
		369	dbt_to_sv (req->sv1, &req->dbt1);
		370	dbt_to_sv (req->sv2, &req->dbt2);
		371	dbt_to_sv (req->sv3, &req->dbt3);
		372	break;
		373
		374	case REQ_DB_KEY_RANGE:
		375	{
		376	AV *av = newAV ();
		377
		378	av_push (av, newSVnv (req->key_range.less));
		379	av_push (av, newSVnv (req->key_range.equal));
		380	av_push (av, newSVnv (req->key_range.greater));
		381
		382	SvREADONLY_off (req->sv1);
		383	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		384	SvREFCNT_dec (req->sv1);
		385	}
		386	break;
		387
		388	#if DB_VERSION_MINOR >= 3
		389	case REQ_SEQ_GET:
		390	SvREADONLY_off (req->sv1);
		391
		392	if (sizeof (IV) > 4)
		393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		394	else
		395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		396
		397	SvREFCNT_dec (req->sv1);
		398	break;
		399	#endif
		400	}
		401
		402	errno = req->result;
		403
		404	if (req->callback)
		405	{
		406	dSP;
		407
306	ENTER;	408	ENTER;
307	SAVETMPS;	409	SAVETMPS;
308	PUSHMARK (SP);	410	PUSHMARK (SP);
309		411
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;	412	PUTBACK;
357	call_sv (req->callback, G_VOID | G_EVAL);	413	call_sv (req->callback, G_VOID | G_EVAL);
358	SPAGAIN;	414	SPAGAIN;
359		415
360	FREETMPS;	416	FREETMPS;
361	LEAVE;	417	LEAVE;
		418
		419	return !SvTRUE (ERRSV);
362	}	420	}
363		421
364	return !SvTRUE (ERRSV);	422	return 1;
365	}	423	}
366		424
367	static void req_free (aio_req req)	425	static void req_free (bdb_req req)
368	{	426	{
		427	SvREFCNT_dec (req->callback);
		428
		429	SvREFCNT_dec (req->rsv1);
		430	SvREFCNT_dec (req->rsv2);
		431
369	free (req->buf1);	432	free (req->buf1);
370	free (req->buf2);	433	free (req->buf2);
		434	free (req->buf3);
		435
371	Safefree (req);	436	Safefree (req);
372	}	437	}
373		438
374	static void *aio_proc (void *arg);	439	#ifdef USE_SOCKETS_AS_HANDLES
		440	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		441	#else
		442	# define TO_SOCKET(x) (x)
		443	#endif
		444
		445	static void
		446	create_respipe (void)
		447	{
		448	#ifdef _WIN32
		449	int arg; /* argg */
		450	#endif
		451	int old_readfd = respipe [0];
		452
		453	if (respipe [1] >= 0)
		454	respipe_close (TO_SOCKET (respipe [1]));
		455
		456	#ifdef _WIN32
		457	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		458	#else
		459	if (pipe (respipe))
		460	#endif
		461	croak ("unable to initialize result pipe");
		462
		463	if (old_readfd >= 0)
		464	{
		465	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		466	croak ("unable to initialize result pipe(2)");
		467
		468	respipe_close (respipe [0]);
		469	respipe [0] = old_readfd;
		470	}
		471
		472	#ifdef _WIN32
		473	arg = 1;
		474	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		475	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		476	#else
		477	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		478	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		479	#endif
		480	croak ("unable to initialize result pipe(3)");
		481
		482	respipe_osf [0] = TO_SOCKET (respipe [0]);
		483	respipe_osf [1] = TO_SOCKET (respipe [1]);
		484	}
		485
		486	static void bdb_request (bdb_req req);
		487	X_THREAD_PROC (bdb_proc);
375		488
376	static void start_thread (void)	489	static void start_thread (void)
377	{	490	{
378	sigset_t fullsigset, oldsigset;
379	pthread_attr_t attr;
380
381	worker *wrk = calloc (1, sizeof (worker));	491	worker *wrk = calloc (1, sizeof (worker));
382		492
383	if (!wrk)	493	if (!wrk)
384	croak ("unable to allocate worker thread data");	494	croak ("unable to allocate worker thread data");
385		495
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);	496	X_LOCK (wrklock);
395	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	497	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398	{	498	{
399	wrk->prev = &wrk_first;	499	wrk->prev = &wrk_first;
400	wrk->next = wrk_first.next;	500	wrk->next = wrk_first.next;
401	wrk_first.next->prev = wrk;	501	wrk_first.next->prev = wrk;
402	wrk_first.next = wrk;	502	wrk_first.next = wrk;
403	++started;	503	++started;
404	}	504	}
405	else	505	else
406	free (wrk);	506	free (wrk);
407		507
408	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409	UNLOCK (wrklock);	508	X_UNLOCK (wrklock);
410	}	509	}
411		510
412	static void maybe_start_thread ()	511	static void maybe_start_thread (void)
413	{	512	{
414	if (get_nthreads () >= wanted)	513	if (get_nthreads () >= wanted)
415	return;	514	return;
416		515
417	/* todo: maybe use idle here, but might be less exact */	516	/* todo: maybe use idle here, but might be less exact */
…		…
419	return;	518	return;
420		519
421	start_thread ();	520	start_thread ();
422	}	521	}
423		522
424	static void req_send (aio_req req)	523	static void req_send (bdb_req req)
425	{	524	{
426	SV *wait_callback = 0;	525	SV *wait_callback = 0;
427		526
428	// synthesize callback if none given	527	if (on_next_submit)
429	if (!SvOK (req->callback))
430	{	528	{
431	dSP;	529	dSP;
		530	SV *cb = sv_2mortal (on_next_submit);
		531
		532	on_next_submit = 0;
		533
432	PUSHMARK (SP);	534	PUSHMARK (SP);
433	PUTBACK;	535	PUTBACK;
434	int count = call_sv (prepare_cb, G_ARRAY);	536	call_sv (cb, G_DISCARD | G_EVAL);
435	SPAGAIN;	537	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	}	538	}
444		539
		540	// synthesize callback if none given
		541	if (!req->callback)
		542	{
		543	if (SvOK (prepare_cb))
		544	{
		545	int count;
		546
		547	dSP;
		548	PUSHMARK (SP);
		549	PUTBACK;
		550	count = call_sv (prepare_cb, G_ARRAY);
		551	SPAGAIN;
		552
		553	if (count != 2)
		554	croak ("sync prepare callback must return exactly two values\n");
		555
		556	wait_callback = POPs;
		557	req->callback = SvREFCNT_inc (POPs);
		558	}
		559	else
		560	{
		561	// execute request synchronously
		562	bdb_request (req);
		563	req_invoke (req);
		564	req_free (req);
		565	return;
		566	}
		567	}
		568
445	++nreqs;	569	++nreqs;
446		570
447	LOCK (reqlock);	571	X_LOCK (reqlock);
448	++nready;	572	++nready;
449	reqq_push (&req_queue, req);	573	reqq_push (&req_queue, req);
450	pthread_cond_signal (&reqwait);	574	X_COND_SIGNAL (reqwait);
451	UNLOCK (reqlock);	575	X_UNLOCK (reqlock);
452		576
453	maybe_start_thread ();	577	maybe_start_thread ();
454		578
455	if (wait_callback)	579	if (wait_callback)
456	{	580	{
457	dSP;	581	dSP;
458	PUSHMARK (SP);	582	PUSHMARK (SP);
459	PUTBACK;	583	PUTBACK;
460	call_sv (wait_callback, G_DISCARD);	584	call_sv (wait_callback, G_DISCARD);
461	SvREFCNT_dec (wait_callback);
462	}	585	}
463	}	586	}
464		587
465	static void end_thread (void)	588	static void end_thread (void)
466	{	589	{
467	aio_req req;	590	bdb_req req = calloc (1, sizeof (bdb_cb));
468
469	Newz (0, req, 1, aio_cb);
470		591
471	req->type = REQ_QUIT;	592	req->type = REQ_QUIT;
472	req->pri = PRI_MAX + PRI_BIAS;	593	req->pri = PRI_MAX + PRI_BIAS;
473		594
474	LOCK (reqlock);	595	X_LOCK (reqlock);
475	reqq_push (&req_queue, req);	596	reqq_push (&req_queue, req);
476	pthread_cond_signal (&reqwait);	597	X_COND_SIGNAL (reqwait);
477	UNLOCK (reqlock);	598	X_UNLOCK (reqlock);
478		599
479	LOCK (wrklock);	600	X_LOCK (wrklock);
480	--started;	601	--started;
481	UNLOCK (wrklock);	602	X_UNLOCK (wrklock);
482	}	603	}
483		604
484	static void set_max_idle (int nthreads)	605	static void set_max_idle (int nthreads)
485	{	606	{
486	if (WORDACCESS_UNSAFE) LOCK (reqlock);	607	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487	max_idle = nthreads <= 0 ? 1 : nthreads;	608	max_idle = nthreads <= 0 ? 1 : nthreads;
488	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	609	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489	}	610	}
490		611
491	static void min_parallel (int nthreads)	612	static void min_parallel (int nthreads)
492	{	613	{
493	if (wanted < nthreads)	614	if (wanted < nthreads)
…		…
501		622
502	while (started > wanted)	623	while (started > wanted)
503	end_thread ();	624	end_thread ();
504	}	625	}
505		626
506	static void poll_wait ()	627	static void poll_wait (void)
507	{	628	{
508	fd_set rfd;	629	fd_set rfd;
509		630
510	while (nreqs)	631	while (nreqs)
511	{	632	{
512	int size;	633	int size;
513	if (WORDACCESS_UNSAFE) LOCK (reslock);	634	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514	size = res_queue.size;	635	size = res_queue.size;
515	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	636	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516		637
517	if (size)	638	if (size)
518	return;	639	return;
519		640
520	maybe_start_thread ();	641	maybe_start_thread ();
521		642
522	FD_ZERO(&rfd);	643	FD_ZERO (&rfd);
523	FD_SET(respipe [0], &rfd);	644	FD_SET (respipe [0], &rfd);
524		645
525	select (respipe [0] + 1, &rfd, 0, 0, 0);	646	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526	}	647	}
527	}	648	}
528		649
529	static int poll_cb ()	650	static int poll_cb (void)
530	{	651	{
531	dSP;	652	dSP;
532	int count = 0;	653	int count = 0;
533	int maxreqs = max_poll_reqs;	654	int maxreqs = max_poll_reqs;
534	int do_croak = 0;	655	int do_croak = 0;
535	struct timeval tv_start, tv_now;	656	struct timeval tv_start, tv_now;
536	aio_req req;	657	bdb_req req;
537		658
538	if (max_poll_time)	659	if (max_poll_time)
539	gettimeofday (&tv_start, 0);	660	gettimeofday (&tv_start, 0);
540		661
541	for (;;)	662	for (;;)
542	{	663	{
543	for (;;)	664	for (;;)
544	{	665	{
545	maybe_start_thread ();	666	maybe_start_thread ();
546		667
547	LOCK (reslock);	668	X_LOCK (reslock);
548	req = reqq_shift (&res_queue);	669	req = reqq_shift (&res_queue);
549		670
550	if (req)	671	if (req)
551	{	672	{
552	--npending;	673	--npending;
553		674
554	if (!res_queue.size)	675	if (!res_queue.size)
555	{	676	{
556	/* read any signals sent by the worker threads */	677	/* read any signals sent by the worker threads */
557	char buf [4];	678	char buf [4];
558	while (read (respipe [0], buf, 4) == 4)	679	while (respipe_read (respipe [0], buf, 4) == 4)
559	;	680	;
560	}	681	}
561	}	682	}
562		683
563	UNLOCK (reslock);	684	X_UNLOCK (reslock);
564		685
565	if (!req)	686	if (!req)
566	break;	687	break;
567		688
568	--nreqs;	689	--nreqs;
…		…
598	}	719	}
599		720
600	return count;	721	return count;
601	}	722	}
602		723
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	/*****************************************************************************/	724	/*****************************************************************************/
616		725
617	static void *aio_proc (void *thr_arg)	726	static void
		727	bdb_request (bdb_req req)
618	{	728	{
		729	switch (req->type)
		730	{
		731	case REQ_ENV_OPEN:
		732	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		733	break;
		734
		735	case REQ_ENV_CLOSE:
		736	req->result = req->env->close (req->env, req->uint1);
		737	break;
		738
		739	case REQ_ENV_TXN_CHECKPOINT:
		740	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		741	break;
		742
		743	case REQ_ENV_LOCK_DETECT:
		744	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		745	break;
		746
		747	case REQ_ENV_MEMP_SYNC:
		748	req->result = req->env->memp_sync (req->env, 0);
		749	break;
		750
		751	case REQ_ENV_MEMP_TRICKLE:
		752	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		753	break;
		754
		755	case REQ_ENV_DBREMOVE:
		756	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		757	break;
		758
		759	case REQ_ENV_DBRENAME:
		760	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		761	break;
		762
		763	case REQ_DB_OPEN:
		764	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		765	break;
		766
		767	case REQ_DB_CLOSE:
		768	req->result = req->db->close (req->db, req->uint1);
		769	break;
		770
		771	#if DB_VERSION_MINOR >= 4
		772	case REQ_DB_COMPACT:
		773	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		774	break;
		775	#endif
		776
		777	case REQ_DB_SYNC:
		778	req->result = req->db->sync (req->db, req->uint1);
		779	break;
		780
		781	case REQ_DB_UPGRADE:
		782	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		783	break;
		784
		785	case REQ_DB_PUT:
		786	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		787	break;
		788
		789	#if DB_VERSION_MINOR >= 6
		790	case REQ_DB_EXISTS:
		791	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		792	break;
		793	#endif
		794	case REQ_DB_GET:
		795	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		796	break;
		797
		798	case REQ_DB_PGET:
		799	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		800	break;
		801
		802	case REQ_DB_DEL:
		803	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		804	break;
		805
		806	case REQ_DB_KEY_RANGE:
		807	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		808	break;
		809
		810	case REQ_TXN_COMMIT:
		811	req->result = req->txn->commit (req->txn, req->uint1);
		812	break;
		813
		814	case REQ_TXN_ABORT:
		815	req->result = req->txn->abort (req->txn);
		816	break;
		817
		818	case REQ_TXN_FINISH:
		819	if (req->txn->flags & TXN_DEADLOCK)
		820	{
		821	req->result = req->txn->abort (req->txn);
		822	if (!req->result)
		823	req->result = DB_LOCK_DEADLOCK;
		824	}
		825	else
		826	req->result = req->txn->commit (req->txn, req->uint1);
		827	break;
		828
		829	case REQ_C_CLOSE:
		830	req->result = req->dbc->c_close (req->dbc);
		831	break;
		832
		833	case REQ_C_COUNT:
		834	{
		835	db_recno_t recno;
		836	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		837	req->uv1 = recno;
		838	}
		839	break;
		840
		841	case REQ_C_PUT:
		842	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		843	break;
		844
		845	case REQ_C_GET:
		846	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		847	break;
		848
		849	case REQ_C_PGET:
		850	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		851	break;
		852
		853	case REQ_C_DEL:
		854	req->result = req->dbc->c_del (req->dbc, req->uint1);
		855	break;
		856
		857	#if DB_VERSION_MINOR >= 3
		858	case REQ_SEQ_OPEN:
		859	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		860	break;
		861
		862	case REQ_SEQ_CLOSE:
		863	req->result = req->seq->close (req->seq, req->uint1);
		864	break;
		865
		866	case REQ_SEQ_GET:
		867	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		868	break;
		869
		870	case REQ_SEQ_REMOVE:
		871	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		872	break;
		873	#endif
		874
		875	default:
		876	req->result = ENOSYS;
		877	break;
		878	}
		879
		880	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		881	req->txn->flags |= TXN_DEADLOCK;
		882	}
		883
		884	X_THREAD_PROC (bdb_proc)
		885	{
619	aio_req req;	886	bdb_req req;
620	struct timespec ts;	887	struct timespec ts;
621	worker *self = (worker *)thr_arg;	888	worker *self = (worker *)thr_arg;
622		889
623	/* try to distribute timeouts somewhat evenly */	890	/* try to distribute timeouts somewhat evenly */
624	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	891	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625	* (1000000000UL / 1024UL);
626		892
627	for (;;)	893	for (;;)
628	{	894	{
629	ts.tv_sec = time (0) + IDLE_TIMEOUT;	895	ts.tv_sec = time (0) + IDLE_TIMEOUT;
630		896
631	LOCK (reqlock);	897	X_LOCK (reqlock);
632		898
633	for (;;)	899	for (;;)
634	{	900	{
635	self->req = req = reqq_shift (&req_queue);	901	self->req = req = reqq_shift (&req_queue);
636		902
637	if (req)	903	if (req)
638	break;	904	break;
639		905
640	++idle;	906	++idle;
641		907
642	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	908	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643	== ETIMEDOUT)	909	== ETIMEDOUT)
644	{	910	{
645	if (idle > max_idle)	911	if (idle > max_idle)
646	{	912	{
647	--idle;	913	--idle;
648	UNLOCK (reqlock);	914	X_UNLOCK (reqlock);
649	LOCK (wrklock);	915	X_LOCK (wrklock);
650	--started;	916	--started;
651	UNLOCK (wrklock);	917	X_UNLOCK (wrklock);
652	goto quit;	918	goto quit;
653	}	919	}
654		920
655	/* we are allowed to idle, so do so without any timeout */	921	/* we are allowed to idle, so do so without any timeout */
656	pthread_cond_wait (&reqwait, &reqlock);	922	X_COND_WAIT (reqwait, reqlock);
657	ts.tv_sec = time (0) + IDLE_TIMEOUT;	923	ts.tv_sec = time (0) + IDLE_TIMEOUT;
658	}	924	}
659		925
660	--idle;	926	--idle;
661	}	927	}
662		928
663	--nready;	929	--nready;
664		930
665	UNLOCK (reqlock);	931	X_UNLOCK (reqlock);
666		932
667	switch (req->type)	933	if (req->type == REQ_QUIT)
668	{	934	{
669	case REQ_QUIT:	935	X_LOCK (reslock);
		936	free (req);
		937	self->req = 0;
		938	X_UNLOCK (reslock);
		939
670	goto quit;	940	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	}	941	}
788		942
		943	bdb_request (req);
		944
789	LOCK (reslock);	945	X_LOCK (reslock);
790		946
791	++npending;	947	++npending;
792		948
793	if (!reqq_push (&res_queue, req))	949	if (!reqq_push (&res_queue, req))
794	/* write a dummy byte to the pipe so fh becomes ready */	950	/* write a dummy byte to the pipe so fh becomes ready */
795	write (respipe [1], &respipe, 1);	951	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796		952
797	self->req = 0;	953	self->req = 0;
798	worker_clear (self);	954	worker_clear (self);
799		955
800	UNLOCK (reslock);	956	X_UNLOCK (reslock);
801	}	957	}
802		958
803	quit:	959	quit:
804	LOCK (wrklock);	960	X_LOCK (wrklock);
805	worker_free (self);	961	worker_free (self);
806	UNLOCK (wrklock);	962	X_UNLOCK (wrklock);
807		963
808	return 0;	964	return 0;
809	}	965	}
810		966
811	/*****************************************************************************/	967	/*****************************************************************************/
812		968
813	static void atfork_prepare (void)	969	static void atfork_prepare (void)
814	{	970	{
815	LOCK (wrklock);	971	X_LOCK (wrklock);
816	LOCK (reqlock);	972	X_LOCK (reqlock);
817	LOCK (reslock);	973	X_LOCK (reslock);
818	}	974	}
819		975
820	static void atfork_parent (void)	976	static void atfork_parent (void)
821	{	977	{
822	UNLOCK (reslock);	978	X_UNLOCK (reslock);
823	UNLOCK (reqlock);	979	X_UNLOCK (reqlock);
824	UNLOCK (wrklock);	980	X_UNLOCK (wrklock);
825	}	981	}
826		982
827	static void atfork_child (void)	983	static void atfork_child (void)
828	{	984	{
829	aio_req prv;	985	bdb_req prv;
830		986
831	while (prv = reqq_shift (&req_queue))	987	while (prv = reqq_shift (&req_queue))
832	req_free (prv);	988	req_free (prv);
833		989
834	while (prv = reqq_shift (&res_queue))	990	while (prv = reqq_shift (&res_queue))
…		…
849	idle = 0;	1005	idle = 0;
850	nreqs = 0;	1006	nreqs = 0;
851	nready = 0;	1007	nready = 0;
852	npending = 0;	1008	npending = 0;
853		1009
854	close (respipe [0]);
855	close (respipe [1]);
856	create_pipe ();	1010	create_respipe ();
857		1011
858	atfork_parent ();	1012	atfork_parent ();
859	}	1013	}
860		1014
861	#define dREQ(reqtype) \	1015	#define dREQ(reqtype,rsvcnt) \
862	aio_req req; \	1016	bdb_req req; \
863	int req_pri = next_pri; \	1017	int req_pri = next_pri; \
864	next_pri = DEFAULT_PRI + PRI_BIAS; \	1018	next_pri = DEFAULT_PRI + PRI_BIAS; \
865	\	1019	\
866	if (SvOK (callback) && !SvROK (callback)) \	1020	if (callback && SvOK (callback)) \
867	croak ("callback must be undef or of reference type"); \	1021	croak ("callback has illegal type or extra arguments"); \
868	\	1022	\
869	Newz (0, req, 1, aio_cb); \	1023	Newz (0, req, 1, bdb_cb); \
870	if (!req) \	1024	if (!req) \
871	croak ("out of memory during aio_req allocation"); \	1025	croak ("out of memory during bdb_req allocation"); \
872	\	1026	\
873	req->callback = newSVsv (callback); \	1027	req->callback = SvREFCNT_inc (cb); \
874	req->type = (reqtype); \	1028	req->type = (reqtype); \
875	req->pri = req_pri	1029	req->pri = req_pri; \
		1030	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1031	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1032	(void)0;
876		1033
877	#define REQ_SEND \	1034	#define REQ_SEND \
878	req_send (req)	1035	req_send (req)
879		1036
880	#define SvPTR(var, arg, type, class, nullok) \	1037	#define SvPTR(var, arg, type, class, nullok) \
881	if (!SvOK (arg)) \	1038	if (!SvOK (arg)) \
882	{ \	1039	{ \
883	if (!nullok) \	1040	if (nullok != 1) \
884	croak (# var " must be a " # class " object, not undef"); \	1041	croak (# var " must be a " # class " object, not undef"); \
885	\	1042	\
886	(var) = 0; \	1043	(var) = 0; \
887	} \	1044	} \
888	else if (sv_derived_from ((arg), # class)) \	1045	else if (sv_derived_from ((arg), # class)) \
889	{ \	1046	{ \
890	IV tmp = SvIV ((SV*) SvRV (arg)); \	1047	IV tmp = SvIV ((SV*) SvRV (arg)); \
891	(var) = INT2PTR (type, tmp); \	1048	(var) = INT2PTR (type, tmp); \
892	if (!var) \	1049	if (!var && nullok != 2) \
893	croak (# var " is not a valid " # class " object anymore"); \	1050	croak (# var " is not a valid " # class " object anymore"); \
894	} \	1051	} \
895	else \	1052	else \
896	croak (# var " is not of type " # class); \	1053	croak (# var " is not of type " # class);
897	\	1054
		1055	#define ARG_MUTABLE(name) \
		1056	if (SvREADONLY (name)) \
		1057	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
898		1058
899	static void	1059	static void
900	ptr_nuke (SV *sv)	1060	ptr_nuke (SV *sv)
901	{	1061	{
902	assert (SvROK (sv));	1062	assert (SvROK (sv));
903	sv_setiv (SvRV (sv), 0);	1063	sv_setiv (SvRV (sv), 0);
904	}	1064	}
		1065
		1066	static int
		1067	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1068	{
		1069	if (*mg->mg_ptr == '!') // should always be the case
		1070	if (-30999 <= errno && errno <= -30800)
		1071	{
		1072	sv_setnv (sv, (NV)errno);
		1073	sv_setpv (sv, db_strerror (errno));
		1074	SvNOK_on (sv); /* what a wonderful hack! */
		1075	// ^^^ copied from perl sources
		1076	return 0;
		1077	}
		1078
		1079	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1080	}
		1081
		1082	static MGVTBL vtbl_errno;
		1083
		1084	// this wonderful hack :( patches perl's $! variable to support our errno values
		1085	static void
		1086	patch_errno (void)
		1087	{
		1088	SV *sv;
		1089	MAGIC *mg;
		1090
		1091	if (!(sv = get_sv ("!", 1)))
		1092	return;
		1093
		1094	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1095	return;
		1096
		1097	if (mg->mg_virtual != &PL_vtbl_sv)
		1098	return;
		1099
		1100	vtbl_errno = PL_vtbl_sv;
		1101	vtbl_errno.svt_get = errno_get;
		1102	mg->mg_virtual = &vtbl_errno;
		1103	}
		1104
		1105	#if __GNUC__ >= 4
		1106	# define noinline __attribute__ ((noinline))
		1107	#else
		1108	# define noinline
		1109	#endif
		1110
		1111	static noinline SV *
		1112	pop_callback (I32 *ritems, SV *sv)
		1113	{
		1114	if (SvROK (sv))
		1115	{
		1116	HV *st;
		1117	GV *gvp;
		1118	CV *cv;
		1119	const char *name;
		1120
		1121	/* forgive me */
		1122	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1123	&& (st = SvSTASH (SvRV (sv)))
		1124	&& (name = HvNAME_get (st))
		1125	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1126	return 0;
		1127
		1128	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1129	{
		1130	--*ritems;
		1131	return (SV *)cv;
		1132	}
		1133	}
		1134
		1135	return 0;
		1136	}
		1137
		1138	/* stupid windows defines CALLBACK as well */
		1139	#undef CALLBACK
		1140	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
905		1141
906	MODULE = BDB PACKAGE = BDB	1142	MODULE = BDB PACKAGE = BDB
907		1143
908	PROTOTYPES: ENABLE	1144	PROTOTYPES: ENABLE
909		1145
…		…
925	const_iv (INIT_TXN)	1161	const_iv (INIT_TXN)
926	const_iv (RECOVER)	1162	const_iv (RECOVER)
927	const_iv (INIT_TXN)	1163	const_iv (INIT_TXN)
928	const_iv (RECOVER_FATAL)	1164	const_iv (RECOVER_FATAL)
929	const_iv (CREATE)	1165	const_iv (CREATE)
		1166	const_iv (RDONLY)
930	const_iv (USE_ENVIRON)	1167	const_iv (USE_ENVIRON)
931	const_iv (USE_ENVIRON_ROOT)	1168	const_iv (USE_ENVIRON_ROOT)
932	const_iv (LOCKDOWN)	1169	const_iv (LOCKDOWN)
933	const_iv (PRIVATE)	1170	const_iv (PRIVATE)
934	const_iv (REGISTER)
935	const_iv (SYSTEM_MEM)	1171	const_iv (SYSTEM_MEM)
936	const_iv (AUTO_COMMIT)	1172	const_iv (AUTO_COMMIT)
937	const_iv (CDB_ALLDB)	1173	const_iv (CDB_ALLDB)
938	const_iv (DIRECT_DB)	1174	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)	1175	const_iv (NOLOCKING)
945	const_iv (MULTIVERSION)
946	const_iv (NOMMAP)	1176	const_iv (NOMMAP)
947	const_iv (NOPANIC)	1177	const_iv (NOPANIC)
948	const_iv (OVERWRITE)	1178	const_iv (OVERWRITE)
949	const_iv (PANIC_ENVIRONMENT)	1179	const_iv (PANIC_ENVIRONMENT)
950	const_iv (REGION_INIT)	1180	const_iv (REGION_INIT)
951	const_iv (TIME_NOTGRANTED)	1181	const_iv (TIME_NOTGRANTED)
952	const_iv (TXN_NOSYNC)	1182	const_iv (TXN_NOSYNC)
953	const_iv (TXN_SNAPSHOT)	1183	const_iv (TXN_NOT_DURABLE)
954	const_iv (TXN_WRITE_NOSYNC)	1184	const_iv (TXN_WRITE_NOSYNC)
955	const_iv (WRITECURSOR)	1185	const_iv (WRITECURSOR)
956	const_iv (YIELDCPU)	1186	const_iv (YIELDCPU)
957	const_iv (ENCRYPT_AES)	1187	const_iv (ENCRYPT_AES)
958	const_iv (XA_CREATE)	1188	const_iv (XA_CREATE)
…		…
960	const_iv (HASH)	1190	const_iv (HASH)
961	const_iv (QUEUE)	1191	const_iv (QUEUE)
962	const_iv (RECNO)	1192	const_iv (RECNO)
963	const_iv (UNKNOWN)	1193	const_iv (UNKNOWN)
964	const_iv (EXCL)	1194	const_iv (EXCL)
965	const_iv (READ_COMMITTED)
966	const_iv (READ_UNCOMMITTED)
967	const_iv (TRUNCATE)	1195	const_iv (TRUNCATE)
968	const_iv (NOSYNC)	1196	const_iv (NOSYNC)
969	const_iv (CHKSUM)	1197	const_iv (CHKSUM)
970	const_iv (ENCRYPT)	1198	const_iv (ENCRYPT)
971	const_iv (TXN_NOT_DURABLE)
972	const_iv (DUP)	1199	const_iv (DUP)
973	const_iv (DUPSORT)	1200	const_iv (DUPSORT)
974	const_iv (RECNUM)	1201	//const_iv (RECNUM)
975	const_iv (RENUMBER)	1202	const_iv (RENUMBER)
976	const_iv (REVSPLITOFF)	1203	const_iv (REVSPLITOFF)
977	const_iv (INORDER)
978	const_iv (CONSUME)	1204	const_iv (CONSUME)
979	const_iv (CONSUME_WAIT)	1205	const_iv (CONSUME_WAIT)
980	const_iv (GET_BOTH)	1206	const_iv (GET_BOTH)
981	const_iv (GET_BOTH_RANGE)	1207	const_iv (GET_BOTH_RANGE)
982	//const_iv (SET_RECNO)	1208	//const_iv (SET_RECNO)
983	//const_iv (MULTIPLE)	1209	//const_iv (MULTIPLE)
984	const_iv (SNAPSHOT)	1210	const_iv (SNAPSHOT)
985	const_iv (JOIN_ITEM)	1211	const_iv (JOIN_ITEM)
		1212	const_iv (JOIN_NOSORT)
986	const_iv (RMW)	1213	const_iv (RMW)
987		1214
988	const_iv (NOTFOUND)	1215	const_iv (NOTFOUND)
989	const_iv (KEYEMPTY)	1216	const_iv (KEYEMPTY)
990	const_iv (LOCK_DEADLOCK)	1217	const_iv (LOCK_DEADLOCK)
991	const_iv (LOCK_NOTGRANTED)	1218	const_iv (LOCK_NOTGRANTED)
992	const_iv (RUNRECOVERY)	1219	const_iv (RUNRECOVERY)
993	const_iv (OLD_VERSION)	1220	const_iv (OLD_VERSION)
994	const_iv (REP_HANDLE_DEAD)	1221	const_iv (REP_HANDLE_DEAD)
995	const_iv (REP_LOCKOUT)
996	const_iv (SECONDARY_BAD)	1222	const_iv (SECONDARY_BAD)
997
998	const_iv (FREE_SPACE)
999	const_iv (FREELIST_ONLY)
1000		1223
1001	const_iv (APPEND)	1224	const_iv (APPEND)
1002	const_iv (NODUPDATA)	1225	const_iv (NODUPDATA)
1003	const_iv (NOOVERWRITE)	1226	const_iv (NOOVERWRITE)
1004		1227
1005	const_iv (TXN_NOWAIT)	1228	const_iv (TXN_NOWAIT)
1006	const_iv (TXN_SNAPSHOT)
1007	const_iv (TXN_SYNC)	1229	const_iv (TXN_SYNC)
1008		1230
1009	const_iv (SET_LOCK_TIMEOUT)	1231	const_iv (SET_LOCK_TIMEOUT)
1010	const_iv (SET_TXN_TIMEOUT)	1232	const_iv (SET_TXN_TIMEOUT)
1011		1233
1012	const_iv (JOIN_ITEM)
1013	const_iv (FIRST)	1234	const_iv (FIRST)
1014	const_iv (NEXT)	1235	const_iv (NEXT)
1015	const_iv (NEXT_DUP)	1236	const_iv (NEXT_DUP)
1016	const_iv (NEXT_NODUP)	1237	const_iv (NEXT_NODUP)
1017	const_iv (PREV)	1238	const_iv (PREV)
…		…
1029	const_iv (FORCE)	1250	const_iv (FORCE)
1030		1251
1031	const_iv (LOCK_DEFAULT)	1252	const_iv (LOCK_DEFAULT)
1032	const_iv (LOCK_EXPIRE)	1253	const_iv (LOCK_EXPIRE)
1033	const_iv (LOCK_MAXLOCKS)	1254	const_iv (LOCK_MAXLOCKS)
1034	const_iv (LOCK_MAXWRITE)
1035	const_iv (LOCK_MINLOCKS)	1255	const_iv (LOCK_MINLOCKS)
1036	const_iv (LOCK_MINWRITE)	1256	const_iv (LOCK_MINWRITE)
1037	const_iv (LOCK_OLDEST)	1257	const_iv (LOCK_OLDEST)
1038	const_iv (LOCK_RANDOM)	1258	const_iv (LOCK_RANDOM)
1039	const_iv (LOCK_YOUNGEST)	1259	const_iv (LOCK_YOUNGEST)
1040		1260
		1261	const_iv (DONOTINDEX)
		1262	const_iv (KEYEMPTY )
		1263	const_iv (KEYEXIST )
		1264	const_iv (LOCK_DEADLOCK)
		1265	const_iv (LOCK_NOTGRANTED)
		1266	const_iv (NOSERVER)
		1267	const_iv (NOSERVER_HOME)
		1268	const_iv (NOSERVER_ID)
		1269	const_iv (NOTFOUND)
		1270	const_iv (PAGE_NOTFOUND)
		1271	const_iv (REP_DUPMASTER)
		1272	const_iv (REP_HANDLE_DEAD)
		1273	const_iv (REP_HOLDELECTION)
		1274	const_iv (REP_ISPERM)
		1275	const_iv (REP_NEWMASTER)
		1276	const_iv (REP_NEWSITE)
		1277	const_iv (REP_NOTPERM)
		1278	const_iv (REP_UNAVAIL)
		1279	const_iv (RUNRECOVERY)
		1280	const_iv (SECONDARY_BAD)
		1281	const_iv (VERIFY_BAD)
		1282
		1283	const_iv (VERB_DEADLOCK)
		1284	const_iv (VERB_RECOVERY)
		1285	const_iv (VERB_REPLICATION)
		1286	const_iv (VERB_WAITSFOR)
		1287
		1288	const_iv (VERSION_MAJOR)
		1289	const_iv (VERSION_MINOR)
		1290	const_iv (VERSION_PATCH)
		1291	#if DB_VERSION_MINOR >= 3
		1292	const_iv (INORDER)
		1293	const_iv (LOCK_MAXWRITE)
1041	const_iv (SEQ_DEC)	1294	const_iv (SEQ_DEC)
1042	const_iv (SEQ_INC)	1295	const_iv (SEQ_INC)
1043	const_iv (SEQ_WRAP)	1296	const_iv (SEQ_WRAP)
		1297	const_iv (BUFFER_SMALL)
		1298	const_iv (LOG_BUFFER_FULL)
		1299	const_iv (VERSION_MISMATCH)
		1300	#endif
		1301	#if DB_VERSION_MINOR >= 4
		1302	const_iv (REGISTER)
		1303	const_iv (DSYNC_DB)
		1304	const_iv (READ_COMMITTED)
		1305	const_iv (READ_UNCOMMITTED)
		1306	const_iv (REP_IGNORE)
		1307	const_iv (REP_LOCKOUT)
		1308	const_iv (REP_JOIN_FAILURE)
		1309	const_iv (FREE_SPACE)
		1310	const_iv (FREELIST_ONLY)
		1311	const_iv (VERB_REGISTER)
		1312	#endif
		1313	#if DB_VERSION_MINOR >= 5
		1314	const_iv (MULTIVERSION)
		1315	const_iv (TXN_SNAPSHOT)
		1316	#endif
		1317	#if DB_VERSION_MINOR >= 6
		1318	const_iv (PREV_DUP)
		1319	const_iv (PRIORITY_UNCHANGED)
		1320	const_iv (PRIORITY_VERY_LOW)
		1321	const_iv (PRIORITY_LOW)
		1322	const_iv (PRIORITY_DEFAULT)
		1323	const_iv (PRIORITY_HIGH)
		1324	const_iv (PRIORITY_VERY_HIGH)
		1325	#endif
		1326	#if DB_VERSION_MINOR >= 7
		1327	const_iv (IGNORE_LEASE)
		1328	//const_iv (MULTIPLE_KEY)
		1329	const_iv (LOG_DIRECT)
		1330	const_iv (LOG_DSYNC)
		1331	const_iv (LOG_AUTO_REMOVE)
		1332	const_iv (LOG_IN_MEMORY)
		1333	const_iv (LOG_ZERO)
		1334	#else
		1335	const_iv (DIRECT_LOG)
		1336	const_iv (LOG_AUTOREMOVE)
		1337	# if DB_VERSION_MINOR >= 3
		1338	const_iv (DSYNC_LOG)
		1339	const_iv (LOG_INMEMORY)
		1340	# endif
		1341	#endif
1044	};	1342	};
1045		1343
1046	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1344	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1345	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048		1346
1049	create_pipe ();	1347	prepare_cb = &PL_sv_undef;
		1348
		1349	{
		1350	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1351	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1352
		1353	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1354	}
		1355
		1356	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1357
		1358	create_respipe ();
		1359
1050	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1360	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1361	patch_errno ();
1051	}	1362	}
1052		1363
1053	void	1364	void
1054	max_poll_reqs (int nreqs)	1365	max_poll_reqs (int nreqs)
1055	PROTOTYPE: $	1366	PROTOTYPE: $
…		…
1174		1485
1175	int	1486	int
1176	nthreads ()	1487	nthreads ()
1177	PROTOTYPE:	1488	PROTOTYPE:
1178	CODE:	1489	CODE:
1179	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1490	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180	RETVAL = started;	1491	RETVAL = started;
1181	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1492	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182	OUTPUT:	1493	OUTPUT:
1183	RETVAL	1494	RETVAL
1184		1495
1185	void	1496	SV *
1186	set_sync_prepare (SV *cb)	1497	set_sync_prepare (SV *cb)
1187	PROTOTYPE: &	1498	PROTOTYPE: &
1188	CODE:	1499	CODE:
1189	SvREFCNT_dec (prepare_cb);	1500	RETVAL = prepare_cb;
1190	prepare_cb = newSVsv (cb);	1501	prepare_cb = newSVsv (cb);
		1502	OUTPUT:
		1503	RETVAL
1191		1504
		1505	char *
		1506	strerror (int errorno = errno)
		1507	PROTOTYPE: ;$
		1508	CODE:
		1509	RETVAL = db_strerror (errorno);
		1510	OUTPUT:
		1511	RETVAL
		1512
		1513	void _on_next_submit (SV *cb)
		1514	CODE:
		1515	SvREFCNT_dec (on_next_submit);
		1516	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192		1517
1193	DB_ENV *	1518	DB_ENV *
1194	db_env_create (U32 env_flags = 0)	1519	db_env_create (U32 env_flags = 0)
1195	CODE:	1520	CODE:
1196	{	1521	{
1197	errno = db_env_create (&RETVAL, env_flags);	1522	errno = db_env_create (&RETVAL, env_flags);
1198	if (errno)	1523	if (errno)
1199	croak ("db_env_create: %s", db_strerror (errno));	1524	croak ("db_env_create: %s", db_strerror (errno));
		1525
		1526	if (0)
		1527	{
		1528	RETVAL->set_errcall (RETVAL, debug_errcall);
		1529	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1530	}
1200	}	1531	}
1201	OUTPUT:	1532	OUTPUT:
1202	RETVAL	1533	RETVAL
1203		1534
1204	void	1535	void
1205	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1536	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1206	CODE:	1539	CODE:
1207	{	1540	{
1208	env->set_thread_count (env, get_nthreads ());
1209
1210	dREQ (REQ_ENV_OPEN);	1541	dREQ (REQ_ENV_OPEN, 1);
1211	req->env = env;	1542	req->env = env;
1212	req->uint1 = open_flags | DB_THREAD;	1543	req->uint1 = open_flags | DB_THREAD;
1213	req->int1 = mode;	1544	req->int1 = mode;
1214	req->buf1 = strdup_ornull (db_home);	1545	req->buf1 = strdup_ornull (db_home);
1215	REQ_SEND;	1546	REQ_SEND;
1216	}	1547	}
1217		1548
1218	void	1549	void
1219	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1550	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1551	PREINIT:
		1552	CALLBACK
1220	CODE:	1553	CODE:
1221	{	1554	{
1222	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 0);
		1556	ptr_nuke (ST (0));
1223	req->env = env;	1557	req->env = env;
1224	req->uint1 = flags;	1558	req->uint1 = flags;
1225	REQ_SEND;	1559	REQ_SEND;
1226	ptr_nuke (ST (0));
1227	}	1560	}
1228		1561
1229	void	1562	void
1230	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1563	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1564	PREINIT:
		1565	CALLBACK
1231	CODE:	1566	CODE:
1232	{	1567	{
1233	dREQ (REQ_ENV_TXN_CHECKPOINT);	1568	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1234	req->env = env;	1569	req->env = env;
1235	req->uint1 = kbyte;	1570	req->uint1 = kbyte;
1236	req->int1 = min;	1571	req->int1 = min;
1237	req->uint2 = flags;	1572	req->uint2 = flags;
1238	REQ_SEND;	1573	REQ_SEND;
1239	}	1574	}
1240		1575
1241	void	1576	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)	1577	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1578	PREINIT:
		1579	CALLBACK
1243	CODE:	1580	CODE:
1244	{	1581	{
1245	dREQ (REQ_ENV_LOCK_DETECT);	1582	dREQ (REQ_ENV_LOCK_DETECT, 1);
1246	req->env = env;	1583	req->env = env;
1247	req->uint1 = flags;	1584	req->uint1 = flags;
1248	req->uint2 = atype;	1585	req->uint2 = atype;
		1586	/* req->int2 = 0; dummy */
1249	REQ_SEND;	1587	REQ_SEND;
1250	}	1588	}
1251		1589
1252	void	1590	void
1253	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1591	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
1254	CODE:	1594	CODE:
1255	{	1595	{
1256	dREQ (REQ_ENV_MEMP_SYNC);	1596	dREQ (REQ_ENV_MEMP_SYNC, 1);
1257	req->env = env;	1597	req->env = env;
1258	REQ_SEND;	1598	REQ_SEND;
1259	}	1599	}
1260		1600
1261	void	1601	void
1262	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1602	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1603	PREINIT:
		1604	CALLBACK
1263	CODE:	1605	CODE:
1264	{	1606	{
1265	dREQ (REQ_ENV_MEMP_TRICKLE);	1607	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1266	req->env = env;	1608	req->env = env;
1267	req->int1 = percent;	1609	req->int1 = percent;
1268	REQ_SEND;	1610	REQ_SEND;
1269	}	1611	}
1270		1612
		1613	void
		1614	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
		1617	CODE:
		1618	{
		1619	dREQ (REQ_ENV_DBREMOVE, 2);
		1620	req->env = env;
		1621	req->buf1 = strdup_ornull (file);
		1622	req->buf2 = strdup_ornull (database);
		1623	req->uint1 = flags;
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1629	PREINIT:
		1630	CALLBACK
		1631	CODE:
		1632	{
		1633	dREQ (REQ_ENV_DBRENAME, 2);
		1634	req->env = env;
		1635	req->buf1 = strdup_ornull (file);
		1636	req->buf2 = strdup_ornull (database);
		1637	req->buf3 = strdup_ornull (newname);
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	}
1271		1641
1272	DB *	1642	DB *
1273	db_create (DB_ENV *env = 0, U32 flags = 0)	1643	db_create (DB_ENV *env = 0, U32 flags = 0)
1274	CODE:	1644	CODE:
1275	{	1645	{
…		…
1282	}	1652	}
1283	OUTPUT:	1653	OUTPUT:
1284	RETVAL	1654	RETVAL
1285		1655
1286	void	1656	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)	1657	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1288	CODE:	1660	CODE:
1289	{	1661	{
1290	dREQ (REQ_DB_OPEN);	1662	dREQ (REQ_DB_OPEN, 2);
1291	req->db = db;	1663	req->db = db;
1292	req->txn = txnid;	1664	req->txn = txnid;
1293	req->buf1 = strdup_ornull (file);	1665	req->buf1 = strdup_ornull (file);
1294	req->buf2 = strdup_ornull (database);	1666	req->buf2 = strdup_ornull (database);
1295	req->int1 = type;	1667	req->int1 = type;
…		…
1297	req->int2 = mode;	1669	req->int2 = mode;
1298	REQ_SEND;	1670	REQ_SEND;
1299	}	1671	}
1300		1672
1301	void	1673	void
1302	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1674	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1675	PREINIT:
		1676	CALLBACK
1303	CODE:	1677	CODE:
1304	{	1678	{
1305	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 0);
		1680	ptr_nuke (ST (0));
1306	req->db = db;	1681	req->db = db;
1307	req->uint1 = flags;	1682	req->uint1 = flags;
1308	req->sv1 = (SV *)db->app_private;	1683	req->sv1 = (SV *)db->app_private;
1309	REQ_SEND;	1684	REQ_SEND;
1310	ptr_nuke (ST (0));
1311	}	1685	}
1312		1686
		1687	#if DB_VERSION_MINOR >= 4
		1688
1313	void	1689	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)	1690	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
1315	CODE:	1693	CODE:
1316	{	1694	{
1317	dREQ (REQ_DB_COMPACT);	1695	dREQ (REQ_DB_COMPACT, 2);
1318	req->db = db;	1696	req->db = db;
1319	req->txn = txn;	1697	req->txn = txn;
1320	sv_to_dbt (&req->dbt1, start);	1698	if (start) sv_to_dbt (&req->dbt1, start);
1321	sv_to_dbt (&req->dbt2, stop);	1699	if (stop ) sv_to_dbt (&req->dbt2, stop );
1322	req->uint1 = flags;	1700	req->uint1 = flags;
1323	REQ_SEND;	1701	REQ_SEND;
1324	}	1702	}
1325		1703
		1704	#endif
		1705
1326	void	1706	void
1327	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1707	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1328	CODE:	1710	CODE:
1329	{	1711	{
1330	dREQ (REQ_DB_SYNC);	1712	dREQ (REQ_DB_SYNC, 1);
1331	req->db = db;	1713	req->db = db;
1332	req->uint1 = flags;	1714	req->uint1 = flags;
1333	REQ_SEND;	1715	REQ_SEND;
1334	}	1716	}
1335		1717
1336	void	1718	void
		1719	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_SYNC, 1);
		1725	req->db = db;
		1726	req->buf1 = strdup (file);
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
1337	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1732	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
1338	CODE:	1735	CODE:
1339	{	1736	{
1340	dREQ (REQ_DB_KEY_RANGE);	1737	dREQ (REQ_DB_KEY_RANGE, 2);
1341	req->db = db;	1738	req->db = db;
1342	req->txn = txn;	1739	req->txn = txn;
1343	sv_to_dbt (&req->dbt1, key);	1740	sv_to_dbt (&req->dbt1, key);
1344	req->uint1 = flags;	1741	req->uint1 = flags;
1345	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1742	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1346	REQ_SEND;	1743	REQ_SEND;
1347	}	1744	}
1348		1745
1349	void	1746	void
1350	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1747	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1748	PREINIT:
		1749	CALLBACK
1351	CODE:	1750	CODE:
1352	{	1751	{
1353	dREQ (REQ_DB_PUT);	1752	dREQ (REQ_DB_PUT, 2);
1354	req->db = db;	1753	req->db = db;
1355	req->txn = txn;	1754	req->txn = txn;
1356	sv_to_dbt (&req->dbt1, key);	1755	sv_to_dbt (&req->dbt1, key);
1357	sv_to_dbt (&req->dbt2, data);	1756	sv_to_dbt (&req->dbt2, data);
1358	req->uint1 = flags;	1757	req->uint1 = flags;
1359	REQ_SEND;	1758	REQ_SEND;
1360	}	1759	}
1361		1760
		1761	#if DB_VERSION_MINOR >= 6
		1762
1362	void	1763	void
		1764	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1765	PREINIT:
		1766	CALLBACK
		1767	CODE:
		1768	{
		1769	dREQ (REQ_DB_EXISTS, 2);
		1770	req->db = db;
		1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	REQ_SEND;
		1775	}
		1776
		1777	#endif
		1778
		1779	void
1363	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1364	CODE:	1783	CODE:
1365	{	1784	{
		1785	//TODO: key is somtimesmutable
1366	dREQ (REQ_DB_GET);	1786	dREQ (REQ_DB_GET, 2);
1367	req->db = db;	1787	req->db = db;
1368	req->txn = txn;	1788	req->txn = txn;
1369	req->uint1 = flags;	1789	req->uint1 = flags;
1370	sv_to_dbt (&req->dbt1, key);	1790	sv_to_dbt (&req->dbt1, key);
1371	req->dbt3.flags = DB_DBT_MALLOC;	1791	req->dbt3.flags = DB_DBT_MALLOC;
1372	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1792	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1373	REQ_SEND;	1793	REQ_SEND;
1374	}	1794	}
1375		1795
1376	void	1796	void
1377	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1797	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1798	PREINIT:
		1799	CALLBACK
1378	CODE:	1800	CODE:
1379	{	1801	{
		1802	//TODO: key is somtimesmutable
1380	dREQ (REQ_DB_PGET);	1803	dREQ (REQ_DB_PGET, 2);
		1804	req->db = db;
		1805	req->txn = txn;
		1806	req->uint1 = flags;
		1807
		1808	sv_to_dbt (&req->dbt1, key);
		1809
		1810	req->dbt2.flags = DB_DBT_MALLOC;
		1811	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1812
		1813	req->dbt3.flags = DB_DBT_MALLOC;
		1814	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1815	REQ_SEND;
		1816	}
		1817
		1818	void
		1819	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
		1822	CODE:
		1823	{
		1824	dREQ (REQ_DB_DEL, 2);
1381	req->db = db;	1825	req->db = db;
1382	req->txn = txn;	1826	req->txn = txn;
1383	req->uint1 = flags;	1827	req->uint1 = flags;
1384	sv_to_dbt (&req->dbt1, key);	1828	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;	1829	REQ_SEND;
1389	}	1830	}
1390		1831
1391	void	1832	void
1392	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1833	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1834	PREINIT:
		1835	CALLBACK
1393	CODE:	1836	CODE:
1394	{	1837	{
1395	dREQ (REQ_DB_DEL);	1838	dREQ (REQ_TXN_COMMIT, 0);
1396	req->db = db;	1839	ptr_nuke (ST (0));
1397	req->txn = txn;	1840	req->txn = txn;
1398	req->uint1 = flags;	1841	req->uint1 = flags;
1399	sv_to_dbt (&req->dbt1, key);
1400	REQ_SEND;	1842	REQ_SEND;
1401	}	1843	}
1402		1844
1403	void	1845	void
1404	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1846	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1405	CODE:	1849	CODE:
1406	{	1850	{
1407	dREQ (REQ_TXN_COMMIT);	1851	dREQ (REQ_TXN_ABORT, 0);
		1852	ptr_nuke (ST (0));
		1853	req->txn = txn;
		1854	REQ_SEND;
		1855	}
		1856
		1857	void
		1858	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1859	PREINIT:
		1860	CALLBACK
		1861	CODE:
		1862	{
		1863	dREQ (REQ_TXN_FINISH, 0);
		1864	ptr_nuke (ST (0));
1408	req->txn = txn;	1865	req->txn = txn;
1409	req->uint1 = flags;	1866	req->uint1 = flags;
1410	REQ_SEND;	1867	REQ_SEND;
		1868	}
		1869
		1870	void
		1871	db_c_close (DBC *dbc, SV *callback = 0)
		1872	PREINIT:
		1873	CALLBACK
		1874	CODE:
		1875	{
		1876	dREQ (REQ_C_CLOSE, 0);
1411	ptr_nuke (ST (0));	1877	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;	1878	req->dbc = dbc;
1430	REQ_SEND;	1879	REQ_SEND;
1431	ptr_nuke (ST (0));
1432	}	1880	}
1433		1881
1434	void	1882	void
1435	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1883	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1884	PREINIT:
		1885	CALLBACK
1436	CODE:	1886	CODE:
1437	{	1887	{
1438	dREQ (REQ_C_COUNT);	1888	dREQ (REQ_C_COUNT, 1);
1439	req->dbc = dbc;	1889	req->dbc = dbc;
1440	req->sv1 = SvREFCNT_inc (count);	1890	req->sv1 = SvREFCNT_inc (count);
1441	REQ_SEND;	1891	REQ_SEND;
1442	}	1892	}
1443		1893
1444	void	1894	void
1445	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1895	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1896	PREINIT:
		1897	CALLBACK
1446	CODE:	1898	CODE:
1447	{	1899	{
1448	dREQ (REQ_C_PUT);	1900	dREQ (REQ_C_PUT, 1);
1449	req->dbc = dbc;	1901	req->dbc = dbc;
1450	sv_to_dbt (&req->dbt1, key);	1902	sv_to_dbt (&req->dbt1, key);
1451	sv_to_dbt (&req->dbt2, data);	1903	sv_to_dbt (&req->dbt2, data);
1452	req->uint1 = flags;	1904	req->uint1 = flags;
1453	REQ_SEND;	1905	REQ_SEND;
1454	}	1906	}
1455		1907
1456	void	1908	void
1457	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1909	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1910	PREINIT:
		1911	CALLBACK
1458	CODE:	1912	CODE:
1459	{	1913	{
		1914	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1915	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1916	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1917	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1918	"key",
		1919	"BDB::db_c_get");
		1920
		1921	{
1460	dREQ (REQ_C_GET);	1922	dREQ (REQ_C_GET, 1);
		1923	req->dbc = dbc;
		1924	req->uint1 = flags;
		1925	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1926	sv_to_dbt (&req->dbt1, key);
		1927	else
		1928	{
		1929	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1930	sv_to_dbt (&req->dbt1, key);
		1931	else
		1932	req->dbt1.flags = DB_DBT_MALLOC;
		1933
		1934	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1935	}
		1936
		1937	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		1938	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		1939	sv_to_dbt (&req->dbt3, data);
		1940	else
		1941	req->dbt3.flags = DB_DBT_MALLOC;
		1942
		1943	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1944	REQ_SEND;
		1945	}
		1946	}
		1947
		1948	void
		1949	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1950	PREINIT:
		1951	CALLBACK
		1952	CODE:
		1953	{
		1954	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1955	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1956	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1957	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1958	"key",
		1959	"BDB::db_c_pget");
		1960
		1961	{
		1962	dREQ (REQ_C_PGET, 1);
		1963	req->dbc = dbc;
		1964	req->uint1 = flags;
		1965	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1966	sv_to_dbt (&req->dbt1, key);
		1967	else
		1968	{
		1969	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1970	sv_to_dbt (&req->dbt1, key);
		1971	else
		1972	req->dbt1.flags = DB_DBT_MALLOC;
		1973
		1974	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1975	}
		1976
		1977	req->dbt2.flags = DB_DBT_MALLOC;
		1978	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1979
		1980	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		1981	|| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		1982	sv_to_dbt (&req->dbt3, data);
		1983	else
		1984	req->dbt3.flags = DB_DBT_MALLOC;
		1985
		1986	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1987	REQ_SEND;
		1988	}
		1989	}
		1990
		1991	void
		1992	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1993	PREINIT:
		1994	CALLBACK
		1995	CODE:
		1996	{
		1997	dREQ (REQ_C_DEL, 1);
1461	req->dbc = dbc;	1998	req->dbc = dbc;
1462	req->uint1 = flags;	1999	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;	2000	REQ_SEND;
1479	}	2001	}
1480		2002
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		2003
1494	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	2004	#if DB_VERSION_MINOR >= 3
1495		2005
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	2006	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)	2007	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		2008	PREINIT:
		2009	CALLBACK
1522	CODE:	2010	CODE:
1523	{	2011	{
1524	dREQ (REQ_SEQ_OPEN);	2012	dREQ (REQ_SEQ_OPEN, 2);
1525	req->seq = seq;	2013	req->seq = seq;
1526	req->txn = txnid;	2014	req->txn = txnid;
1527	req->uint1 = flags | DB_THREAD;	2015	req->uint1 = flags | DB_THREAD;
1528	sv_to_dbt (&req->dbt1, key);	2016	sv_to_dbt (&req->dbt1, key);
1529	REQ_SEND;	2017	REQ_SEND;
1530	}	2018	}
1531		2019
1532	void	2020	void
1533	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	2021	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		2022	PREINIT:
		2023	CALLBACK
1534	CODE:	2024	CODE:
1535	{	2025	{
1536	dREQ (REQ_SEQ_CLOSE);	2026	dREQ (REQ_SEQ_CLOSE, 0);
		2027	ptr_nuke (ST (0));
1537	req->seq = seq;	2028	req->seq = seq;
1538	req->uint1 = flags;	2029	req->uint1 = flags;
1539	REQ_SEND;	2030	REQ_SEND;
1540	ptr_nuke (ST (0));
1541	}	2031	}
1542		2032
1543	void	2033	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)	2034	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV_mutable *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		2035	PREINIT:
		2036	CALLBACK
1545	CODE:	2037	CODE:
1546	{	2038	{
1547	dREQ (REQ_SEQ_GET);	2039	dREQ (REQ_SEQ_GET, 2);
1548	req->seq = seq;	2040	req->seq = seq;
1549	req->txn = txnid;	2041	req->txn = txnid;
1550	req->int1 = delta;	2042	req->int1 = delta;
1551	req->uint1 = flags;	2043	req->uint1 = flags;
1552	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2044	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1553	REQ_SEND;	2045	REQ_SEND;
1554	}	2046	}
1555		2047
1556	void	2048	void
1557	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2049	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		2050	PREINIT:
		2051	CALLBACK
1558	CODE:	2052	CODE:
1559	{	2053	{
1560	dREQ (REQ_SEQ_REMOVE);	2054	dREQ (REQ_SEQ_REMOVE, 2);
1561	req->seq = seq;	2055	req->seq = seq;
1562	req->txn = txnid;	2056	req->txn = txnid;
1563	req->uint1 = flags;	2057	req->uint1 = flags;
1564	REQ_SEND;	2058	REQ_SEND;
1565	}	2059	}
1566		2060
		2061	#endif
		2062
1567		2063
1568	MODULE = BDB PACKAGE = BDB::Env	2064	MODULE = BDB PACKAGE = BDB::Env
1569		2065
1570	void	2066	void
1571	DESTROY (DB_ENV_ornull *env)	2067	DESTROY (DB_ENV_ornuked *env)
1572	CODE:	2068	CODE:
1573	if (env)	2069	if (env)
1574	env->close (env, 0);	2070	env->close (env, 0);
1575		2071
1576	int set_data_dir (DB_ENV *env, const char *dir)	2072	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1601	CODE:	2097	CODE:
1602	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2098	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603	OUTPUT:	2099	OUTPUT:
1604	RETVAL	2100	RETVAL
1605		2101
1606	int set_flags (DB_ENV *env, U32 flags, int onoff)	2102	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607	CODE:	2103	CODE:
1608	RETVAL = env->set_flags (env, flags, onoff);	2104	RETVAL = env->set_flags (env, flags, onoff);
1609	OUTPUT:	2105	OUTPUT:
1610	RETVAL	2106	RETVAL
1611		2107
		2108	#if DB_VERSION_MINOR >= 7
		2109
		2110	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2111	CODE:
		2112	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2113	OUTPUT:
		2114	RETVAL
		2115
		2116	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2117	CODE:
		2118	RETVAL = env->log_set_config (env, flags, onoff);
		2119	OUTPUT:
		2120	RETVAL
		2121
		2122	#endif
		2123
		2124
		2125	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2126	CODE:
		2127	env->set_errfile (env, errfile);
		2128
		2129	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2130	CODE:
		2131	env->set_msgfile (env, msgfile);
		2132
		2133	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2134	CODE:
		2135	RETVAL = env->set_verbose (env, which, onoff);
		2136	OUTPUT:
		2137	RETVAL
		2138
1612	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2139	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613	CODE:	2140	CODE:
1614	RETVAL = env->set_encrypt (env, password, flags);	2141	RETVAL = env->set_encrypt (env, password, flags);
1615	OUTPUT:	2142	OUTPUT:
1616	RETVAL	2143	RETVAL
1617		2144
1618	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2145	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619	CODE:	2146	CODE:
1620	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2147	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621	OUTPUT:	2148	OUTPUT:
1622	RETVAL	2149	RETVAL
1623		2150
…		…
1672	int set_lg_max (DB_ENV *env, U32 max)	2199	int set_lg_max (DB_ENV *env, U32 max)
1673	CODE:	2200	CODE:
1674	RETVAL = env->set_lg_max (env, max);	2201	RETVAL = env->set_lg_max (env, max);
1675	OUTPUT:	2202	OUTPUT:
1676	RETVAL	2203	RETVAL
		2204
		2205	#if DB_VERSION_MINOR >= 4
		2206
		2207	int mutex_set_max (DB_ENV *env, U32 max)
		2208	CODE:
		2209	RETVAL = env->mutex_set_max (env, max);
		2210	OUTPUT:
		2211	RETVAL
		2212
		2213	int mutex_set_increment (DB_ENV *env, U32 increment)
		2214	CODE:
		2215	RETVAL = env->mutex_set_increment (env, increment);
		2216	OUTPUT:
		2217	RETVAL
		2218
		2219	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2220	CODE:
		2221	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2222	OUTPUT:
		2223	RETVAL
		2224
		2225	int mutex_set_align (DB_ENV *env, U32 align)
		2226	CODE:
		2227	RETVAL = env->mutex_set_align (env, align);
		2228	OUTPUT:
		2229	RETVAL
		2230
		2231	#endif
1677		2232
1678	DB_TXN *	2233	DB_TXN *
1679	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2234	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680	CODE:	2235	CODE:
1681	errno = env->txn_begin (env, parent, &RETVAL, flags);	2236	errno = env->txn_begin (env, parent, &RETVAL, flags);
1682	if (errno)	2237	if (errno)
1683	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2238	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1684	OUTPUT:	2239	OUTPUT:
1685	RETVAL	2240	RETVAL
1686		2241
		2242	#if DB_VERSION_MINOR >= 5
		2243
		2244	DB_TXN *
		2245	cdsgroup_begin (DB_ENV *env)
		2246	CODE:
		2247	errno = env->cdsgroup_begin (env, &RETVAL);
		2248	if (errno)
		2249	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2250	OUTPUT:
		2251	RETVAL
		2252
		2253	#endif
		2254
1687	MODULE = BDB PACKAGE = BDB::Db	2255	MODULE = BDB PACKAGE = BDB::Db
1688		2256
1689	void	2257	void
1690	DESTROY (DB_ornull *db)	2258	DESTROY (DB_ornuked *db)
1691	CODE:	2259	CODE:
1692	if (db)	2260	if (db)
1693	{	2261	{
1694	SV *env = (SV *)db->app_private;	2262	SV *env = (SV *)db->app_private;
1695	db->close (db, 0);	2263	db->close (db, 0);
…		…
1700	CODE:	2268	CODE:
1701	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2269	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702	OUTPUT:	2270	OUTPUT:
1703	RETVAL	2271	RETVAL
1704		2272
		2273	int set_pagesize (DB *db, U32 pagesize)
		2274	CODE:
		2275	RETVAL = db->set_pagesize (db, pagesize);
		2276	OUTPUT:
		2277	RETVAL
		2278
1705	int set_flags (DB *db, U32 flags);	2279	int set_flags (DB *db, U32 flags)
1706	CODE:	2280	CODE:
1707	RETVAL = db->set_flags (db, flags);	2281	RETVAL = db->set_flags (db, flags);
1708	OUTPUT:	2282	OUTPUT:
1709	RETVAL	2283	RETVAL
1710		2284
…		…
1724	CODE:	2298	CODE:
1725	RETVAL = db->set_bt_minkey (db, minkey);	2299	RETVAL = db->set_bt_minkey (db, minkey);
1726	OUTPUT:	2300	OUTPUT:
1727	RETVAL	2301	RETVAL
1728		2302
1729	int set_re_delim(DB *db, int delim);	2303	int set_re_delim (DB *db, int delim)
1730	CODE:	2304	CODE:
1731	RETVAL = db->set_re_delim (db, delim);	2305	RETVAL = db->set_re_delim (db, delim);
1732	OUTPUT:	2306	OUTPUT:
1733	RETVAL	2307	RETVAL
1734		2308
…		…
1775	if (errno)	2349	if (errno)
1776	croak ("DB->cursor: %s", db_strerror (errno));	2350	croak ("DB->cursor: %s", db_strerror (errno));
1777	OUTPUT:	2351	OUTPUT:
1778	RETVAL	2352	RETVAL
1779		2353
		2354	#if DB_VERSION_MINOR >= 3
		2355
1780	DB_SEQUENCE *	2356	DB_SEQUENCE *
1781	sequence (DB *db, U32 flags = 0)	2357	sequence (DB *db, U32 flags = 0)
1782	CODE:	2358	CODE:
1783	{	2359	{
1784	errno = db_sequence_create (&RETVAL, db, flags);	2360	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1786	croak ("db_sequence_create: %s", db_strerror (errno));	2362	croak ("db_sequence_create: %s", db_strerror (errno));
1787	}	2363	}
1788	OUTPUT:	2364	OUTPUT:
1789	RETVAL	2365	RETVAL
1790		2366
		2367	#endif
		2368
1791		2369
1792	MODULE = BDB PACKAGE = BDB::Txn	2370	MODULE = BDB PACKAGE = BDB::Txn
1793		2371
1794	void	2372	void
1795	DESTROY (DB_TXN_ornull *txn)	2373	DESTROY (DB_TXN_ornuked *txn)
1796	CODE:	2374	CODE:
1797	if (txn)	2375	if (txn)
1798	txn->abort (txn);	2376	txn->abort (txn);
1799		2377
1800	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2378	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801	CODE:	2379	CODE:
1802	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2380	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803	OUTPUT:	2381	OUTPUT:
1804	RETVAL	2382	RETVAL
1805		2383
		2384	int failed (DB_TXN *txn)
		2385	CODE:
		2386	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2387	OUTPUT:
		2388	RETVAL
		2389
1806		2390
1807	MODULE = BDB PACKAGE = BDB::Cursor	2391	MODULE = BDB PACKAGE = BDB::Cursor
1808		2392
1809	void	2393	void
1810	DESTROY (DBC_ornull *dbc)	2394	DESTROY (DBC_ornuked *dbc)
1811	CODE:	2395	CODE:
1812	if (dbc)	2396	if (dbc)
1813	dbc->c_close (dbc);	2397	dbc->c_close (dbc);
1814		2398
		2399	#if DB_VERSION_MINOR >= 6
		2400
		2401	int set_priority (DBC *dbc, int priority)
		2402	CODE:
		2403	dbc->set_priority (dbc, priority);
		2404
		2405	#endif
		2406
		2407	#if DB_VERSION_MINOR >= 3
		2408
1815	MODULE = BDB PACKAGE = BDB::Sequence	2409	MODULE = BDB PACKAGE = BDB::Sequence
1816		2410
1817	void	2411	void
1818	DESTROY (DB_SEQUENCE_ornull *seq)	2412	DESTROY (DB_SEQUENCE_ornuked *seq)
1819	CODE:	2413	CODE:
1820	if (seq)	2414	if (seq)
1821	seq->close (seq, 0);	2415	seq->close (seq, 0);
1822		2416
1823	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2417	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1842	CODE:	2436	CODE:
1843	RETVAL = seq->set_range (seq, min, max);	2437	RETVAL = seq->set_range (seq, min, max);
1844	OUTPUT:	2438	OUTPUT:
1845	RETVAL	2439	RETVAL
1846		2440
		2441	#endif
		2442
		2443

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