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

Comparing BDB/BDB.xs (file contents):
Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC vs.
Revision 1.58 by root, Tue Sep 30 17:03:07 2008 UTC

…		…
1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 \|\| __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44		42
45	typedef DB_ENV DB_ENV_ornull;	43	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	44	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	45	typedef DBC DBC_ornull;
48	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
49	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		56	#endif
50		57
51	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef SV SV8; /* byte-sv, used for argument-checking */
52	typedef char *octetstring;	59	typedef char *bdb_filename;
53		60
54	static SV *prepare_cb;	61	static SV *prepare_cb;
55		62
		63	#if DB_VERSION_MINOR >= 6
		64	# define c_close close
		65	# define c_count count
		66	# define c_del del
		67	# define c_dup dup
		68	# define c_get get
		69	# define c_pget pget
		70	# define c_put put
		71	#endif
		72
56	static inline char *	73	static char *
		74	get_bdb_filename (SV *sv)
		75	{
		76	if (!SvOK (sv))
		77	return 0;
		78
		79	#if _WIN32
		80	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		81	{
		82	STRLEN len;
		83	char *src = SvPVbyte (sv, len);
		84	SV *t1 = sv_newmortal ();
		85	SV *t2 = sv_newmortal ();
		86
		87	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		88	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		89
		90	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		91	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		92	SvPOK_only (t2);
		93	SvPVX (t2)[len] = 0;
		94	SvCUR_set (t2, len);
		95
		96	return SvPVX (t2);
		97	}
		98	#else
		99	return SvPVbyte_nolen (sv);
		100	#endif
		101	}
		102
		103	static void
		104	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		105	{
		106	printf ("err[%s]\n", msg);
		107	}
		108
		109	static void
		110	debug_msgcall (const DB_ENV dbenv, const char msg)
		111	{
		112	printf ("msg[%s]\n", msg);
		113	}
		114
		115	static char *
57	strdup_ornull (const char *s)	116	strdup_ornull (const char *s)
58	{	117	{
59	return s ? strdup (s) : 0;	118	return s ? strdup (s) : 0;
60	}	119	}
61		120
62	static inline void	121	static void
63	sv_to_dbt (DBT dbt, SV sv)	122	sv_to_dbt (DBT dbt, SV sv)
64	{	123	{
65	STRLEN len;	124	STRLEN len;
66	char *data = SvPVbyte (sv, len);	125	char *data = SvPVbyte (sv, len);
67		126
69	memcpy (dbt->data, data, len);	128	memcpy (dbt->data, data, len);
70	dbt->size = len;	129	dbt->size = len;
71	dbt->flags = DB_DBT_REALLOC;	130	dbt->flags = DB_DBT_REALLOC;
72	}	131	}
73		132
74	static inline void	133	static void
75	dbt_to_sv (SV sv, DBT dbt)	134	dbt_to_sv (SV sv, DBT dbt)
76	{	135	{
77	if (sv)	136	if (sv)
78	{	137	{
79	SvREADONLY_off (sv);	138	SvREADONLY_off (sv);
		139
		140	if (dbt->data)
80	sv_setpvn_mg (sv, dbt->data, dbt->size);	141	sv_setpvn_mg (sv, dbt->data, dbt->size);
		142	else
		143	sv_setsv_mg (sv, &PL_sv_undef);
		144
81	SvREFCNT_dec (sv);	145	SvREFCNT_dec (sv);
82	}	146	}
83		147
84	free (dbt->data);	148	free (dbt->data);
85	}	149	}
86		150
87	enum {	151	enum {
88	REQ_QUIT,	152	REQ_QUIT,
89	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	153	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
90	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	154	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
91	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
92	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
93	REQ_TXN_COMMIT, REQ_TXN_ABORT,	157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
94	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
95	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
96	};	160	};
97		161
98	typedef struct aio_cb	162	typedef struct bdb_cb
99	{	163	{
100	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
101	SV *callback;	165	SV *callback;
102	int type, pri, result;	166	int type, pri, result;
103		167
104	DB_ENV *env;	168	DB_ENV *env;
105	DB *db;	169	DB *db;
…		…
107	DBC *dbc;	171	DBC *dbc;
108		172
109	UV uv1;	173	UV uv1;
110	int int1, int2;	174	int int1, int2;
111	U32 uint1, uint2;	175	U32 uint1, uint2;
112	char buf1, buf2;	176	char buf1, buf2, *buf3;
113	SV sv1, sv2, *sv3;	177	SV sv1, sv2, *sv3;
114		178
115	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
116	DB_KEY_RANGE key_range;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
117	DB_SEQUENCE *seq;	182	DB_SEQUENCE *seq;
118	db_seq_t seq_t;	183	db_seq_t seq_t;
119	} aio_cb;	184	#endif
120		185
		186	SV rsv1, rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
121	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
122		190
123	enum {	191	enum {
124	PRI_MIN = -4,	192	PRI_MIN = -4,
125	PRI_MAX = 4,	193	PRI_MAX = 4,
126		194
…		…
129	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
130	};	198	};
131		199
132	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
133		201
		202	static SV *on_next_submit;
		203
134	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
135	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
136		206
137	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
138	static int tvdiff (struct timeval tv1, struct timeval tv2)	208	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
143		213
144	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
145		215
146	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
147		217
148	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
149	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
150	#else
151	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
152	#endif
153
154	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
155	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
156
157	/* worker threads management */	218	/* worker threads management */
158	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
159		220
160	typedef struct worker {	221	typedef struct worker {
161	/* locked by wrklock */	222	/* locked by wrklock */
162	struct worker prev, next;	223	struct worker prev, next;
163		224
164	pthread_t tid;	225	thread_t tid;
165		226
166	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
167	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
168	void *dbuf;	229	void *dbuf;
169	DIR *dirp;	230	DIR *dirp;
170	} worker;	231	} worker;
171		232
172	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
184	}	245	}
185		246
186	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
187	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
188	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
189	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
190		251
191	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
192	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
193	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
194		255
195	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
196		257
197	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
198	{	259	{
199	unsigned int retval;	260	unsigned int retval;
200		261
201	LOCK (reqlock);	262	X_LOCK (reqlock);
202	retval = nready;	263	retval = nready;
203	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
204		265
205	return retval;	266	return retval;
206	}	267	}
207		268
208	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
209	{	270	{
210	unsigned int retval;	271	unsigned int retval;
211		272
212	LOCK (reslock);	273	X_LOCK (reslock);
213	retval = npending;	274	retval = npending;
214	UNLOCK (reslock);	275	X_UNLOCK (reslock);
215		276
216	return retval;	277	return retval;
217	}	278	}
218		279
219	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
220	{	281	{
221	unsigned int retval;	282	unsigned int retval;
222		283
223	LOCK (wrklock);	284	X_LOCK (wrklock);
224	retval = started;	285	retval = started;
225	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
226		287
227	return retval;	288	return retval;
228	}	289	}
229		290
230	#else	291	#else
…		…
239	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
240	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
241	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
242	*/	303	*/
243	typedef struct {	304	typedef struct {
244	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
245	int size;	306	int size;
246	} reqq;	307	} reqq;
247		308
248	static reqq req_queue;	309	static reqq req_queue;
249	static reqq res_queue;	310	static reqq res_queue;
250		311
251	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
252	{	313	{
253	int pri = req->pri;	314	int pri = req->pri;
254	req->next = 0;	315	req->next = 0;
255		316
256	if (q->qe[pri])	317	if (q->qe[pri])
…		…
262	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
263		324
264	return q->size++;	325	return q->size++;
265	}	326	}
266		327
267	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
268	{	329	{
269	int pri;	330	int pri;
270		331
271	if (!q->size)	332	if (!q->size)
272	return 0;	333	return 0;
273		334
274	--q->size;	335	--q->size;
275		336
276	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
277	{	338	{
278	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
279		340
280	if (req)	341	if (req)
281	{	342	{
282	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
283	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
287	}	348	}
288		349
289	abort ();	350	abort ();
290	}	351	}
291		352
292	static int poll_cb ();	353	static int poll_cb (void);
293	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
294	static void req_cancel (aio_req req);
295		355
296	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
297	{	357	{
298	dSP;	358	switch (req->type)
299
300	if (SvOK (req->callback))
301	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	SvREADONLY_off (req->sv1);
		384	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		385	SvREFCNT_dec (req->sv1);
		386	}
		387	break;
		388
		389	#if DB_VERSION_MINOR >= 3
		390	case REQ_SEQ_GET:
		391	SvREADONLY_off (req->sv1);
		392
		393	if (sizeof (IV) > 4)
		394	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		395	else
		396	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		397
		398	SvREFCNT_dec (req->sv1);
		399	break;
		400	#endif
		401	}
		402
		403	errno = req->result;
		404
		405	if (req->callback)
		406	{
		407	dSP;
		408
302	ENTER;	409	ENTER;
303	SAVETMPS;	410	SAVETMPS;
304	PUSHMARK (SP);	411	PUSHMARK (SP);
305		412
306	switch (req->type)
307	{
308	case REQ_DB_CLOSE:
309	SvREFCNT_dec (req->sv1);
310	break;
311
312	case REQ_DB_GET:
313	case REQ_DB_PGET:
314	dbt_to_sv (req->sv3, &req->dbt3);
315	break;
316
317	case REQ_C_GET:
318	case REQ_C_PGET:
319	dbt_to_sv (req->sv1, &req->dbt1);
320	dbt_to_sv (req->sv2, &req->dbt2);
321	dbt_to_sv (req->sv3, &req->dbt3);
322	break;
323
324	case REQ_DB_KEY_RANGE:
325	{
326	AV *av = newAV ();
327
328	av_push (av, newSVnv (req->key_range.less));
329	av_push (av, newSVnv (req->key_range.equal));
330	av_push (av, newSVnv (req->key_range.greater));
331
332	SvREADONLY_off (req->sv1);
333	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
334	SvREFCNT_dec (req->sv1);
335	}
336	break;
337
338	case REQ_SEQ_GET:
339	SvREADONLY_off (req->sv1);
340
341	if (sizeof (IV) > 4)
342	sv_setiv_mg (req->sv1, req->seq_t);
343	else
344	sv_setnv_mg (req->sv1, req->seq_t);
345
346	SvREFCNT_dec (req->sv1);
347	break;
348	}
349
350	errno = req->result;
351
352	PUTBACK;	413	PUTBACK;
353	call_sv (req->callback, G_VOID \| G_EVAL);	414	call_sv (req->callback, G_VOID \| G_EVAL);
354	SPAGAIN;	415	SPAGAIN;
355		416
356	FREETMPS;	417	FREETMPS;
357	LEAVE;	418	LEAVE;
		419
		420	return !SvTRUE (ERRSV);
358	}	421	}
359		422
360	return !SvTRUE (ERRSV);	423	return 1;
361	}	424	}
362		425
363	static void req_free (aio_req req)	426	static void req_free (bdb_req req)
364	{	427	{
		428	SvREFCNT_dec (req->callback);
		429
		430	SvREFCNT_dec (req->rsv1);
		431	SvREFCNT_dec (req->rsv2);
		432
365	free (req->buf1);	433	free (req->buf1);
366	free (req->buf2);	434	free (req->buf2);
		435	free (req->buf3);
		436
367	Safefree (req);	437	Safefree (req);
368	}	438	}
369		439
370	static void aio_proc (void arg);	440	#ifdef USE_SOCKETS_AS_HANDLES
		441	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		442	#else
		443	# define TO_SOCKET(x) (x)
		444	#endif
		445
		446	static void
		447	create_respipe (void)
		448	{
		449	#ifdef _WIN32
		450	int arg; /* argg */
		451	#endif
		452	int old_readfd = respipe [0];
		453
		454	if (respipe [1] >= 0)
		455	respipe_close (TO_SOCKET (respipe [1]));
		456
		457	#ifdef _WIN32
		458	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		459	#else
		460	if (pipe (respipe))
		461	#endif
		462	croak ("unable to initialize result pipe");
		463
		464	if (old_readfd >= 0)
		465	{
		466	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		467	croak ("unable to initialize result pipe(2)");
		468
		469	respipe_close (respipe [0]);
		470	respipe [0] = old_readfd;
		471	}
		472
		473	#ifdef _WIN32
		474	arg = 1;
		475	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		476	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		477	#else
		478	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		479	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		480	#endif
		481	croak ("unable to initialize result pipe(3)");
		482
		483	respipe_osf [0] = TO_SOCKET (respipe [0]);
		484	respipe_osf [1] = TO_SOCKET (respipe [1]);
		485	}
		486
		487	static void bdb_request (bdb_req req);
		488	X_THREAD_PROC (bdb_proc);
371		489
372	static void start_thread (void)	490	static void start_thread (void)
373	{	491	{
374	sigset_t fullsigset, oldsigset;
375	pthread_attr_t attr;
376
377	worker *wrk = calloc (1, sizeof (worker));	492	worker *wrk = calloc (1, sizeof (worker));
378		493
379	if (!wrk)	494	if (!wrk)
380	croak ("unable to allocate worker thread data");	495	croak ("unable to allocate worker thread data");
381		496
382	pthread_attr_init (&attr);
383	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
384	#ifdef PTHREAD_SCOPE_PROCESS
385	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
386	#endif
387
388	sigfillset (&fullsigset);
389
390	LOCK (wrklock);	497	X_LOCK (wrklock);
391	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	498	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394	{	499	{
395	wrk->prev = &wrk_first;	500	wrk->prev = &wrk_first;
396	wrk->next = wrk_first.next;	501	wrk->next = wrk_first.next;
397	wrk_first.next->prev = wrk;	502	wrk_first.next->prev = wrk;
398	wrk_first.next = wrk;	503	wrk_first.next = wrk;
399	++started;	504	++started;
400	}	505	}
401	else	506	else
402	free (wrk);	507	free (wrk);
403		508
404	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405	UNLOCK (wrklock);	509	X_UNLOCK (wrklock);
406	}	510	}
407		511
408	static void maybe_start_thread ()	512	static void maybe_start_thread (void)
409	{	513	{
410	if (get_nthreads () >= wanted)	514	if (get_nthreads () >= wanted)
411	return;	515	return;
412		516
413	/* todo: maybe use idle here, but might be less exact */	517	/* todo: maybe use idle here, but might be less exact */
…		…
415	return;	519	return;
416		520
417	start_thread ();	521	start_thread ();
418	}	522	}
419		523
420	static void req_send (aio_req req)	524	static void req_send (bdb_req req)
421	{	525	{
422	SV *wait_callback = 0;	526	SV *wait_callback = 0;
423		527
424	// synthesize callback if none given	528	if (on_next_submit)
425	if (!SvOK (req->callback))
426	{	529	{
427	dSP;	530	dSP;
		531	SV *cb = sv_2mortal (on_next_submit);
		532
		533	on_next_submit = 0;
		534
428	PUSHMARK (SP);	535	PUSHMARK (SP);
429	PUTBACK;	536	PUTBACK;
430	int count = call_sv (prepare_cb, G_ARRAY);	537	call_sv (cb, G_DISCARD \| G_EVAL);
431	SPAGAIN;	538	SPAGAIN;
432
433	if (count != 2)
434	croak ("prepare callback must return exactly two values\n");
435
436	wait_callback = SvREFCNT_inc (POPs);
437	SvREFCNT_dec (req->callback);
438	req->callback = SvREFCNT_inc (POPs);
439	}	539	}
440		540
		541	// synthesize callback if none given
		542	if (!req->callback)
		543	{
		544	if (SvOK (prepare_cb))
		545	{
		546	int count;
		547
		548	dSP;
		549	PUSHMARK (SP);
		550	PUTBACK;
		551	count = call_sv (prepare_cb, G_ARRAY);
		552	SPAGAIN;
		553
		554	if (count != 2)
		555	croak ("sync prepare callback must return exactly two values\n");
		556
		557	wait_callback = POPs;
		558	req->callback = SvREFCNT_inc (POPs);
		559	}
		560	else
		561	{
		562	// execute request synchronously
		563	bdb_request (req);
		564	req_invoke (req);
		565	req_free (req);
		566	return;
		567	}
		568	}
		569
441	++nreqs;	570	++nreqs;
442		571
443	LOCK (reqlock);	572	X_LOCK (reqlock);
444	++nready;	573	++nready;
445	reqq_push (&req_queue, req);	574	reqq_push (&req_queue, req);
446	pthread_cond_signal (&reqwait);	575	X_COND_SIGNAL (reqwait);
447	UNLOCK (reqlock);	576	X_UNLOCK (reqlock);
448		577
449	maybe_start_thread ();	578	maybe_start_thread ();
450		579
451	if (wait_callback)	580	if (wait_callback)
452	{	581	{
453	dSP;	582	dSP;
454	PUSHMARK (SP);	583	PUSHMARK (SP);
455	PUTBACK;	584	PUTBACK;
456	call_sv (wait_callback, G_DISCARD);	585	call_sv (wait_callback, G_DISCARD);
457	SvREFCNT_dec (wait_callback);
458	}	586	}
459	}	587	}
460		588
461	static void end_thread (void)	589	static void end_thread (void)
462	{	590	{
463	aio_req req;	591	bdb_req req = calloc (1, sizeof (bdb_cb));
464
465	Newz (0, req, 1, aio_cb);
466		592
467	req->type = REQ_QUIT;	593	req->type = REQ_QUIT;
468	req->pri = PRI_MAX + PRI_BIAS;	594	req->pri = PRI_MAX + PRI_BIAS;
469		595
470	LOCK (reqlock);	596	X_LOCK (reqlock);
471	reqq_push (&req_queue, req);	597	reqq_push (&req_queue, req);
472	pthread_cond_signal (&reqwait);	598	X_COND_SIGNAL (reqwait);
473	UNLOCK (reqlock);	599	X_UNLOCK (reqlock);
474		600
475	LOCK (wrklock);	601	X_LOCK (wrklock);
476	--started;	602	--started;
477	UNLOCK (wrklock);	603	X_UNLOCK (wrklock);
478	}	604	}
479		605
480	static void set_max_idle (int nthreads)	606	static void set_max_idle (int nthreads)
481	{	607	{
482	if (WORDACCESS_UNSAFE) LOCK (reqlock);	608	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483	max_idle = nthreads <= 0 ? 1 : nthreads;	609	max_idle = nthreads <= 0 ? 1 : nthreads;
484	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	610	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485	}	611	}
486		612
487	static void min_parallel (int nthreads)	613	static void min_parallel (int nthreads)
488	{	614	{
489	if (wanted < nthreads)	615	if (wanted < nthreads)
…		…
497		623
498	while (started > wanted)	624	while (started > wanted)
499	end_thread ();	625	end_thread ();
500	}	626	}
501		627
502	static void poll_wait ()	628	static void poll_wait (void)
503	{	629	{
504	fd_set rfd;	630	fd_set rfd;
505		631
506	while (nreqs)	632	while (nreqs)
507	{	633	{
508	int size;	634	int size;
509	if (WORDACCESS_UNSAFE) LOCK (reslock);	635	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510	size = res_queue.size;	636	size = res_queue.size;
511	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	637	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512		638
513	if (size)	639	if (size)
514	return;	640	return;
515		641
516	maybe_start_thread ();	642	maybe_start_thread ();
517		643
518	FD_ZERO(&rfd);	644	FD_ZERO (&rfd);
519	FD_SET(respipe [0], &rfd);	645	FD_SET (respipe [0], &rfd);
520		646
521	select (respipe [0] + 1, &rfd, 0, 0, 0);	647	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522	}	648	}
523	}	649	}
524		650
525	static int poll_cb ()	651	static int poll_cb (void)
526	{	652	{
527	dSP;	653	dSP;
528	int count = 0;	654	int count = 0;
529	int maxreqs = max_poll_reqs;	655	int maxreqs = max_poll_reqs;
530	int do_croak = 0;	656	int do_croak = 0;
531	struct timeval tv_start, tv_now;	657	struct timeval tv_start, tv_now;
532	aio_req req;	658	bdb_req req;
533		659
534	if (max_poll_time)	660	if (max_poll_time)
535	gettimeofday (&tv_start, 0);	661	gettimeofday (&tv_start, 0);
536		662
537	for (;;)	663	for (;;)
538	{	664	{
539	for (;;)	665	for (;;)
540	{	666	{
541	maybe_start_thread ();	667	maybe_start_thread ();
542		668
543	LOCK (reslock);	669	X_LOCK (reslock);
544	req = reqq_shift (&res_queue);	670	req = reqq_shift (&res_queue);
545		671
546	if (req)	672	if (req)
547	{	673	{
548	--npending;	674	--npending;
549		675
550	if (!res_queue.size)	676	if (!res_queue.size)
551	{	677	{
552	/* read any signals sent by the worker threads */	678	/* read any signals sent by the worker threads */
553	char buf [4];	679	char buf [4];
554	while (read (respipe [0], buf, 4) == 4)	680	while (respipe_read (respipe [0], buf, 4) == 4)
555	;	681	;
556	}	682	}
557	}	683	}
558		684
559	UNLOCK (reslock);	685	X_UNLOCK (reslock);
560		686
561	if (!req)	687	if (!req)
562	break;	688	break;
563		689
564	--nreqs;	690	--nreqs;
…		…
594	}	720	}
595		721
596	return count;	722	return count;
597	}	723	}
598		724
599	static void create_pipe ()
600	{
601	if (pipe (respipe))
602	croak ("unable to initialize result pipe");
603
604	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
605	croak ("cannot set result pipe to nonblocking mode");
606
607	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
608	croak ("cannot set result pipe to nonblocking mode");
609	}
610
611	/*****************************************************************************/	725	/*****************************************************************************/
612		726
613	static void aio_proc (void thr_arg)	727	static void
		728	bdb_request (bdb_req req)
614	{	729	{
		730	switch (req->type)
		731	{
		732	case REQ_ENV_OPEN:
		733	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		734	break;
		735
		736	case REQ_ENV_CLOSE:
		737	req->result = req->env->close (req->env, req->uint1);
		738	break;
		739
		740	case REQ_ENV_TXN_CHECKPOINT:
		741	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		742	break;
		743
		744	case REQ_ENV_LOCK_DETECT:
		745	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		746	break;
		747
		748	case REQ_ENV_MEMP_SYNC:
		749	req->result = req->env->memp_sync (req->env, 0);
		750	break;
		751
		752	case REQ_ENV_MEMP_TRICKLE:
		753	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		754	break;
		755
		756	case REQ_ENV_DBREMOVE:
		757	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		758	break;
		759
		760	case REQ_ENV_DBRENAME:
		761	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		762	break;
		763
		764	case REQ_DB_OPEN:
		765	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		766	break;
		767
		768	case REQ_DB_CLOSE:
		769	req->result = req->db->close (req->db, req->uint1);
		770	break;
		771
		772	#if DB_VERSION_MINOR >= 4
		773	case REQ_DB_COMPACT:
		774	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		775	break;
		776	#endif
		777
		778	case REQ_DB_SYNC:
		779	req->result = req->db->sync (req->db, req->uint1);
		780	break;
		781
		782	case REQ_DB_UPGRADE:
		783	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		784	break;
		785
		786	case REQ_DB_PUT:
		787	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		788	break;
		789
		790	#if DB_VERSION_MINOR >= 6
		791	case REQ_DB_EXISTS:
		792	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		793	break;
		794	#endif
		795	case REQ_DB_GET:
		796	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		797	break;
		798
		799	case REQ_DB_PGET:
		800	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		801	break;
		802
		803	case REQ_DB_DEL:
		804	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		805	break;
		806
		807	case REQ_DB_KEY_RANGE:
		808	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		809	break;
		810
		811	case REQ_TXN_COMMIT:
		812	req->result = req->txn->commit (req->txn, req->uint1);
		813	break;
		814
		815	case REQ_TXN_ABORT:
		816	req->result = req->txn->abort (req->txn);
		817	break;
		818
		819	case REQ_TXN_FINISH:
		820	if (req->txn->flags & TXN_DEADLOCK)
		821	{
		822	req->result = req->txn->abort (req->txn);
		823	if (!req->result)
		824	req->result = DB_LOCK_DEADLOCK;
		825	}
		826	else
		827	req->result = req->txn->commit (req->txn, req->uint1);
		828	break;
		829
		830	case REQ_C_CLOSE:
		831	req->result = req->dbc->c_close (req->dbc);
		832	break;
		833
		834	case REQ_C_COUNT:
		835	{
		836	db_recno_t recno;
		837	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		838	req->uv1 = recno;
		839	}
		840	break;
		841
		842	case REQ_C_PUT:
		843	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		844	break;
		845
		846	case REQ_C_GET:
		847	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		848	break;
		849
		850	case REQ_C_PGET:
		851	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		852	break;
		853
		854	case REQ_C_DEL:
		855	req->result = req->dbc->c_del (req->dbc, req->uint1);
		856	break;
		857
		858	#if DB_VERSION_MINOR >= 3
		859	case REQ_SEQ_OPEN:
		860	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		861	break;
		862
		863	case REQ_SEQ_CLOSE:
		864	req->result = req->seq->close (req->seq, req->uint1);
		865	break;
		866
		867	case REQ_SEQ_GET:
		868	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		869	break;
		870
		871	case REQ_SEQ_REMOVE:
		872	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		873	break;
		874	#endif
		875
		876	default:
		877	req->result = ENOSYS;
		878	break;
		879	}
		880
		881	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		882	req->txn->flags \|= TXN_DEADLOCK;
		883	}
		884
		885	X_THREAD_PROC (bdb_proc)
		886	{
615	aio_req req;	887	bdb_req req;
616	struct timespec ts;	888	struct timespec ts;
617	worker self = (worker )thr_arg;	889	worker self = (worker )thr_arg;
618		890
619	/* try to distribute timeouts somewhat evenly */	891	/* try to distribute timeouts somewhat evenly */
620	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	892	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621	* (1000000000UL / 1024UL);
622		893
623	for (;;)	894	for (;;)
624	{	895	{
625	ts.tv_sec = time (0) + IDLE_TIMEOUT;	896	ts.tv_sec = time (0) + IDLE_TIMEOUT;
626		897
627	LOCK (reqlock);	898	X_LOCK (reqlock);
628		899
629	for (;;)	900	for (;;)
630	{	901	{
631	self->req = req = reqq_shift (&req_queue);	902	self->req = req = reqq_shift (&req_queue);
632		903
633	if (req)	904	if (req)
634	break;	905	break;
635		906
636	++idle;	907	++idle;
637		908
638	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	909	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639	== ETIMEDOUT)	910	== ETIMEDOUT)
640	{	911	{
641	if (idle > max_idle)	912	if (idle > max_idle)
642	{	913	{
643	--idle;	914	--idle;
644	UNLOCK (reqlock);	915	X_UNLOCK (reqlock);
645	LOCK (wrklock);	916	X_LOCK (wrklock);
646	--started;	917	--started;
647	UNLOCK (wrklock);	918	X_UNLOCK (wrklock);
648	goto quit;	919	goto quit;
649	}	920	}
650		921
651	/* we are allowed to idle, so do so without any timeout */	922	/* we are allowed to idle, so do so without any timeout */
652	pthread_cond_wait (&reqwait, &reqlock);	923	X_COND_WAIT (reqwait, reqlock);
653	ts.tv_sec = time (0) + IDLE_TIMEOUT;	924	ts.tv_sec = time (0) + IDLE_TIMEOUT;
654	}	925	}
655		926
656	--idle;	927	--idle;
657	}	928	}
658		929
659	--nready;	930	--nready;
660		931
661	UNLOCK (reqlock);	932	X_UNLOCK (reqlock);
662		933
663	switch (req->type)	934	if (req->type == REQ_QUIT)
664	{	935	{
665	case REQ_QUIT:	936	X_LOCK (reslock);
		937	free (req);
		938	self->req = 0;
		939	X_UNLOCK (reslock);
		940
666	goto quit;	941	goto quit;
667
668	case REQ_ENV_OPEN:
669	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
670	break;
671
672	case REQ_ENV_CLOSE:
673	req->result = req->env->close (req->env, req->uint1);
674	break;
675
676	case REQ_ENV_TXN_CHECKPOINT:
677	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
678	break;
679
680	case REQ_ENV_LOCK_DETECT:
681	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
682	break;
683
684	case REQ_ENV_MEMP_SYNC:
685	req->result = req->env->memp_sync (req->env, 0);
686	break;
687
688	case REQ_ENV_MEMP_TRICKLE:
689	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
690	break;
691
692	case REQ_DB_OPEN:
693	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
694	break;
695
696	case REQ_DB_CLOSE:
697	req->result = req->db->close (req->db, req->uint1);
698	break;
699
700	case REQ_DB_COMPACT:
701	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
702	break;
703
704	case REQ_DB_SYNC:
705	req->result = req->db->sync (req->db, req->uint1);
706	break;
707
708	case REQ_DB_PUT:
709	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
710	break;
711
712	case REQ_DB_GET:
713	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
714	break;
715
716	case REQ_DB_PGET:
717	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
718	break;
719
720	case REQ_DB_DEL:
721	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
722	break;
723
724	case REQ_DB_KEY_RANGE:
725	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
726	break;
727
728	case REQ_TXN_COMMIT:
729	req->result = req->txn->commit (req->txn, req->uint1);
730	break;
731
732	case REQ_TXN_ABORT:
733	req->result = req->txn->abort (req->txn);
734	break;
735
736	case REQ_C_CLOSE:
737	req->result = req->dbc->c_close (req->dbc);
738	break;
739
740	case REQ_C_COUNT:
741	{
742	db_recno_t recno;
743	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
744	req->uv1 = recno;
745	}
746	break;
747
748	case REQ_C_PUT:
749	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
750	break;
751
752	case REQ_C_GET:
753	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
754	break;
755
756	case REQ_C_PGET:
757	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
758	break;
759
760	case REQ_C_DEL:
761	req->result = req->dbc->c_del (req->dbc, req->uint1);
762	break;
763
764	case REQ_SEQ_OPEN:
765	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
766	break;
767
768	case REQ_SEQ_CLOSE:
769	req->result = req->seq->close (req->seq, req->uint1);
770	break;
771
772	case REQ_SEQ_GET:
773	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
774	break;
775
776	case REQ_SEQ_REMOVE:
777	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
778	break;
779
780	default:
781	req->result = ENOSYS;
782	break;
783	}	942	}
784		943
		944	bdb_request (req);
		945
785	LOCK (reslock);	946	X_LOCK (reslock);
786		947
787	++npending;	948	++npending;
788		949
789	if (!reqq_push (&res_queue, req))	950	if (!reqq_push (&res_queue, req))
790	/* write a dummy byte to the pipe so fh becomes ready */	951	/* write a dummy byte to the pipe so fh becomes ready */
791	write (respipe [1], &respipe, 1);	952	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792		953
793	self->req = 0;	954	self->req = 0;
794	worker_clear (self);	955	worker_clear (self);
795		956
796	UNLOCK (reslock);	957	X_UNLOCK (reslock);
797	}	958	}
798		959
799	quit:	960	quit:
800	LOCK (wrklock);	961	X_LOCK (wrklock);
801	worker_free (self);	962	worker_free (self);
802	UNLOCK (wrklock);	963	X_UNLOCK (wrklock);
803		964
804	return 0;	965	return 0;
805	}	966	}
806		967
807	/*****************************************************************************/	968	/*****************************************************************************/
808		969
809	static void atfork_prepare (void)	970	static void atfork_prepare (void)
810	{	971	{
811	LOCK (wrklock);	972	X_LOCK (wrklock);
812	LOCK (reqlock);	973	X_LOCK (reqlock);
813	LOCK (reslock);	974	X_LOCK (reslock);
814	}	975	}
815		976
816	static void atfork_parent (void)	977	static void atfork_parent (void)
817	{	978	{
818	UNLOCK (reslock);	979	X_UNLOCK (reslock);
819	UNLOCK (reqlock);	980	X_UNLOCK (reqlock);
820	UNLOCK (wrklock);	981	X_UNLOCK (wrklock);
821	}	982	}
822		983
823	static void atfork_child (void)	984	static void atfork_child (void)
824	{	985	{
825	aio_req prv;	986	bdb_req prv;
826		987
827	while (prv = reqq_shift (&req_queue))	988	while (prv = reqq_shift (&req_queue))
828	req_free (prv);	989	req_free (prv);
829		990
830	while (prv = reqq_shift (&res_queue))	991	while (prv = reqq_shift (&res_queue))
…		…
845	idle = 0;	1006	idle = 0;
846	nreqs = 0;	1007	nreqs = 0;
847	nready = 0;	1008	nready = 0;
848	npending = 0;	1009	npending = 0;
849		1010
850	close (respipe [0]);
851	close (respipe [1]);
852	create_pipe ();	1011	create_respipe ();
853		1012
854	atfork_parent ();	1013	atfork_parent ();
855	}	1014	}
856		1015
857	#define dREQ(reqtype) \	1016	#define dREQ(reqtype,rsvcnt) \
858	aio_req req; \	1017	bdb_req req; \
859	int req_pri = next_pri; \	1018	int req_pri = next_pri; \
860	next_pri = DEFAULT_PRI + PRI_BIAS; \	1019	next_pri = DEFAULT_PRI + PRI_BIAS; \
861	\	1020	\
862	if (SvOK (callback) && !SvROK (callback)) \	1021	if (callback && SvOK (callback)) \
863	croak ("callback must be undef or of reference type"); \	1022	croak ("callback has illegal type or extra arguments"); \
864	\	1023	\
865	Newz (0, req, 1, aio_cb); \	1024	Newz (0, req, 1, bdb_cb); \
866	if (!req) \	1025	if (!req) \
867	croak ("out of memory during aio_req allocation"); \	1026	croak ("out of memory during bdb_req allocation"); \
868	\	1027	\
869	req->callback = newSVsv (callback); \	1028	req->callback = SvREFCNT_inc (cb); \
870	req->type = (reqtype); \	1029	req->type = (reqtype); \
871	req->pri = req_pri	1030	req->pri = req_pri; \
		1031	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1032	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1033	(void)0;
872		1034
873	#define REQ_SEND \	1035	#define REQ_SEND \
874	req_send (req)	1036	req_send (req)
875		1037
876	#define SvPTR(var, arg, type, class, nullok) \	1038	#define SvPTR(var, arg, type, class, nullok) \
877	if (!SvOK (arg)) \	1039	if (!SvOK (arg)) \
878	{ \	1040	{ \
879	if (!nullok) \	1041	if (nullok != 1) \
880	croak (# var " must be a " # class " object, not undef"); \	1042	croak (# var " must be a " # class " object, not undef"); \
881	\	1043	\
882	(var) = 0; \	1044	(var) = 0; \
883	} \	1045	} \
884	else if (sv_derived_from ((arg), # class)) \	1046	else if (sv_derived_from ((arg), # class)) \
885	{ \	1047	{ \
886	IV tmp = SvIV ((SV*) SvRV (arg)); \	1048	IV tmp = SvIV ((SV*) SvRV (arg)); \
887	(var) = INT2PTR (type, tmp); \	1049	(var) = INT2PTR (type, tmp); \
888	if (!var) \	1050	if (!var && nullok != 2) \
889	croak (# var " is not a valid " # class " object anymore"); \	1051	croak (# var " is not a valid " # class " object anymore"); \
890	} \	1052	} \
891	else \	1053	else \
892	croak (# var " is not of type " # class); \	1054	croak (# var " is not of type " # class);
893	\	1055
		1056	#define ARG_MUTABLE(name) \
		1057	if (SvREADONLY (name)) \
		1058	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
894		1059
895	static void	1060	static void
896	ptr_nuke (SV *sv)	1061	ptr_nuke (SV *sv)
897	{	1062	{
898	assert (SvROK (sv));	1063	assert (SvROK (sv));
899	sv_setiv (SvRV (sv), 0);	1064	sv_setiv (SvRV (sv), 0);
900	}	1065	}
		1066
		1067	static int
		1068	errno_get (pTHX_ SV sv, MAGIC mg)
		1069	{
		1070	if (*mg->mg_ptr == '!') // should always be the case
		1071	if (-30999 <= errno && errno <= -30800)
		1072	{
		1073	sv_setnv (sv, (NV)errno);
		1074	sv_setpv (sv, db_strerror (errno));
		1075	SvNOK_on (sv); /* what a wonderful hack! */
		1076	// ^^^ copied from perl sources
		1077	return 0;
		1078	}
		1079
		1080	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1081	}
		1082
		1083	static MGVTBL vtbl_errno;
		1084
		1085	// this wonderful hack :( patches perl's $! variable to support our errno values
		1086	static void
		1087	patch_errno (void)
		1088	{
		1089	SV *sv;
		1090	MAGIC *mg;
		1091
		1092	if (!(sv = get_sv ("!", 1)))
		1093	return;
		1094
		1095	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1096	return;
		1097
		1098	if (mg->mg_virtual != &PL_vtbl_sv)
		1099	return;
		1100
		1101	vtbl_errno = PL_vtbl_sv;
		1102	vtbl_errno.svt_get = errno_get;
		1103	mg->mg_virtual = &vtbl_errno;
		1104	}
		1105
		1106	#if __GNUC__ >= 4
		1107	# define noinline __attribute__ ((noinline))
		1108	#else
		1109	# define noinline
		1110	#endif
		1111
		1112	static noinline SV *
		1113	pop_callback (I32 ritems, SV sv)
		1114	{
		1115	if (SvROK (sv))
		1116	{
		1117	HV *st;
		1118	GV *gvp;
		1119	CV *cv;
		1120	const char *name;
		1121
		1122	/* forgive me */
		1123	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1124	&& (st = SvSTASH (SvRV (sv)))
		1125	&& (name = HvNAME_get (st))
		1126	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1127	return 0;
		1128
		1129	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1130	{
		1131	--*ritems;
		1132	return (SV *)cv;
		1133	}
		1134	}
		1135
		1136	return 0;
		1137	}
		1138
		1139	/* stupid windows defines CALLBACK as well */
		1140	#undef CALLBACK
		1141	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
901		1142
902	MODULE = BDB PACKAGE = BDB	1143	MODULE = BDB PACKAGE = BDB
903		1144
904	PROTOTYPES: ENABLE	1145	PROTOTYPES: ENABLE
905		1146
…		…
921	const_iv (INIT_TXN)	1162	const_iv (INIT_TXN)
922	const_iv (RECOVER)	1163	const_iv (RECOVER)
923	const_iv (INIT_TXN)	1164	const_iv (INIT_TXN)
924	const_iv (RECOVER_FATAL)	1165	const_iv (RECOVER_FATAL)
925	const_iv (CREATE)	1166	const_iv (CREATE)
		1167	const_iv (RDONLY)
926	const_iv (USE_ENVIRON)	1168	const_iv (USE_ENVIRON)
927	const_iv (USE_ENVIRON_ROOT)	1169	const_iv (USE_ENVIRON_ROOT)
928	const_iv (LOCKDOWN)	1170	const_iv (LOCKDOWN)
929	const_iv (PRIVATE)	1171	const_iv (PRIVATE)
930	const_iv (REGISTER)
931	const_iv (SYSTEM_MEM)	1172	const_iv (SYSTEM_MEM)
932	const_iv (AUTO_COMMIT)	1173	const_iv (AUTO_COMMIT)
933	const_iv (CDB_ALLDB)	1174	const_iv (CDB_ALLDB)
934	const_iv (DIRECT_DB)	1175	const_iv (DIRECT_DB)
935	const_iv (DIRECT_LOG)
936	const_iv (DSYNC_DB)
937	const_iv (DSYNC_LOG)
938	const_iv (LOG_AUTOREMOVE)
939	const_iv (LOG_INMEMORY)
940	const_iv (NOLOCKING)	1176	const_iv (NOLOCKING)
941	const_iv (MULTIVERSION)
942	const_iv (NOMMAP)	1177	const_iv (NOMMAP)
943	const_iv (NOPANIC)	1178	const_iv (NOPANIC)
944	const_iv (OVERWRITE)	1179	const_iv (OVERWRITE)
945	const_iv (PANIC_ENVIRONMENT)	1180	const_iv (PANIC_ENVIRONMENT)
946	const_iv (REGION_INIT)	1181	const_iv (REGION_INIT)
947	const_iv (TIME_NOTGRANTED)	1182	const_iv (TIME_NOTGRANTED)
948	const_iv (TXN_NOSYNC)	1183	const_iv (TXN_NOSYNC)
949	const_iv (TXN_SNAPSHOT)	1184	const_iv (TXN_NOT_DURABLE)
950	const_iv (TXN_WRITE_NOSYNC)	1185	const_iv (TXN_WRITE_NOSYNC)
951	const_iv (WRITECURSOR)	1186	const_iv (WRITECURSOR)
952	const_iv (YIELDCPU)	1187	const_iv (YIELDCPU)
953	const_iv (ENCRYPT_AES)	1188	const_iv (ENCRYPT_AES)
954	const_iv (XA_CREATE)	1189	const_iv (XA_CREATE)
…		…
956	const_iv (HASH)	1191	const_iv (HASH)
957	const_iv (QUEUE)	1192	const_iv (QUEUE)
958	const_iv (RECNO)	1193	const_iv (RECNO)
959	const_iv (UNKNOWN)	1194	const_iv (UNKNOWN)
960	const_iv (EXCL)	1195	const_iv (EXCL)
961	const_iv (READ_COMMITTED)
962	const_iv (READ_UNCOMMITTED)
963	const_iv (TRUNCATE)	1196	const_iv (TRUNCATE)
964	const_iv (NOSYNC)	1197	const_iv (NOSYNC)
965	const_iv (CHKSUM)	1198	const_iv (CHKSUM)
966	const_iv (ENCRYPT)	1199	const_iv (ENCRYPT)
967	const_iv (TXN_NOT_DURABLE)
968	const_iv (DUP)	1200	const_iv (DUP)
969	const_iv (DUPSORT)	1201	const_iv (DUPSORT)
970	const_iv (RECNUM)	1202	const_iv (RECNUM)
971	const_iv (RENUMBER)	1203	const_iv (RENUMBER)
972	const_iv (REVSPLITOFF)	1204	const_iv (REVSPLITOFF)
973	const_iv (INORDER)
974	const_iv (CONSUME)	1205	const_iv (CONSUME)
975	const_iv (CONSUME_WAIT)	1206	const_iv (CONSUME_WAIT)
976	const_iv (GET_BOTH)	1207	const_iv (GET_BOTH)
977	const_iv (GET_BOTH_RANGE)	1208	const_iv (GET_BOTH_RANGE)
978	//const_iv (SET_RECNO)	1209	//const_iv (SET_RECNO)
979	//const_iv (MULTIPLE)	1210	//const_iv (MULTIPLE)
980	const_iv (SNAPSHOT)	1211	const_iv (SNAPSHOT)
981	const_iv (JOIN_ITEM)	1212	const_iv (JOIN_ITEM)
		1213	const_iv (JOIN_NOSORT)
982	const_iv (RMW)	1214	const_iv (RMW)
983		1215
984	const_iv (NOTFOUND)	1216	const_iv (NOTFOUND)
985	const_iv (KEYEMPTY)	1217	const_iv (KEYEMPTY)
986	const_iv (LOCK_DEADLOCK)	1218	const_iv (LOCK_DEADLOCK)
987	const_iv (LOCK_NOTGRANTED)	1219	const_iv (LOCK_NOTGRANTED)
988	const_iv (RUNRECOVERY)	1220	const_iv (RUNRECOVERY)
989	const_iv (OLD_VERSION)	1221	const_iv (OLD_VERSION)
990	const_iv (REP_HANDLE_DEAD)	1222	const_iv (REP_HANDLE_DEAD)
991	const_iv (REP_LOCKOUT)
992	const_iv (SECONDARY_BAD)	1223	const_iv (SECONDARY_BAD)
993
994	const_iv (FREE_SPACE)
995	const_iv (FREELIST_ONLY)
996		1224
997	const_iv (APPEND)	1225	const_iv (APPEND)
998	const_iv (NODUPDATA)	1226	const_iv (NODUPDATA)
999	const_iv (NOOVERWRITE)	1227	const_iv (NOOVERWRITE)
1000		1228
1001	const_iv (TXN_NOWAIT)	1229	const_iv (TXN_NOWAIT)
1002	const_iv (TXN_SNAPSHOT)
1003	const_iv (TXN_SYNC)	1230	const_iv (TXN_SYNC)
1004		1231
1005	const_iv (SET_LOCK_TIMEOUT)	1232	const_iv (SET_LOCK_TIMEOUT)
1006	const_iv (SET_TXN_TIMEOUT)	1233	const_iv (SET_TXN_TIMEOUT)
1007		1234
1008	const_iv (JOIN_ITEM)
1009	const_iv (FIRST)	1235	const_iv (FIRST)
1010	const_iv (NEXT)	1236	const_iv (NEXT)
1011	const_iv (NEXT_DUP)	1237	const_iv (NEXT_DUP)
1012	const_iv (NEXT_NODUP)	1238	const_iv (NEXT_NODUP)
1013	const_iv (PREV)	1239	const_iv (PREV)
…		…
1025	const_iv (FORCE)	1251	const_iv (FORCE)
1026		1252
1027	const_iv (LOCK_DEFAULT)	1253	const_iv (LOCK_DEFAULT)
1028	const_iv (LOCK_EXPIRE)	1254	const_iv (LOCK_EXPIRE)
1029	const_iv (LOCK_MAXLOCKS)	1255	const_iv (LOCK_MAXLOCKS)
1030	const_iv (LOCK_MAXWRITE)
1031	const_iv (LOCK_MINLOCKS)	1256	const_iv (LOCK_MINLOCKS)
1032	const_iv (LOCK_MINWRITE)	1257	const_iv (LOCK_MINWRITE)
1033	const_iv (LOCK_OLDEST)	1258	const_iv (LOCK_OLDEST)
1034	const_iv (LOCK_RANDOM)	1259	const_iv (LOCK_RANDOM)
1035	const_iv (LOCK_YOUNGEST)	1260	const_iv (LOCK_YOUNGEST)
1036		1261
		1262	const_iv (DONOTINDEX)
		1263	const_iv (KEYEMPTY )
		1264	const_iv (KEYEXIST )
		1265	const_iv (LOCK_DEADLOCK)
		1266	const_iv (LOCK_NOTGRANTED)
		1267	const_iv (NOSERVER)
		1268	const_iv (NOSERVER_HOME)
		1269	const_iv (NOSERVER_ID)
		1270	const_iv (NOTFOUND)
		1271	const_iv (PAGE_NOTFOUND)
		1272	const_iv (REP_DUPMASTER)
		1273	const_iv (REP_HANDLE_DEAD)
		1274	const_iv (REP_HOLDELECTION)
		1275	const_iv (REP_ISPERM)
		1276	const_iv (REP_NEWMASTER)
		1277	const_iv (REP_NEWSITE)
		1278	const_iv (REP_NOTPERM)
		1279	const_iv (REP_UNAVAIL)
		1280	const_iv (RUNRECOVERY)
		1281	const_iv (SECONDARY_BAD)
		1282	const_iv (VERIFY_BAD)
		1283
		1284	const_iv (VERB_DEADLOCK)
		1285	const_iv (VERB_RECOVERY)
		1286	const_iv (VERB_REPLICATION)
		1287	const_iv (VERB_WAITSFOR)
		1288
		1289	const_iv (VERSION_MAJOR)
		1290	const_iv (VERSION_MINOR)
		1291	const_iv (VERSION_PATCH)
		1292	#if DB_VERSION_MINOR >= 3
		1293	const_iv (INORDER)
		1294	const_iv (LOCK_MAXWRITE)
1037	const_iv (SEQ_DEC)	1295	const_iv (SEQ_DEC)
1038	const_iv (SEQ_INC)	1296	const_iv (SEQ_INC)
1039	const_iv (SEQ_WRAP)	1297	const_iv (SEQ_WRAP)
		1298	const_iv (BUFFER_SMALL)
		1299	const_iv (LOG_BUFFER_FULL)
		1300	const_iv (VERSION_MISMATCH)
		1301	#endif
		1302	#if DB_VERSION_MINOR >= 4
		1303	const_iv (REGISTER)
		1304	const_iv (DSYNC_DB)
		1305	const_iv (READ_COMMITTED)
		1306	const_iv (READ_UNCOMMITTED)
		1307	const_iv (REP_IGNORE)
		1308	const_iv (REP_LOCKOUT)
		1309	const_iv (REP_JOIN_FAILURE)
		1310	const_iv (FREE_SPACE)
		1311	const_iv (FREELIST_ONLY)
		1312	const_iv (VERB_REGISTER)
		1313	#endif
		1314	#if DB_VERSION_MINOR >= 5
		1315	const_iv (MULTIVERSION)
		1316	const_iv (TXN_SNAPSHOT)
		1317	#endif
		1318	#if DB_VERSION_MINOR >= 6
		1319	const_iv (PREV_DUP)
		1320	const_iv (PRIORITY_UNCHANGED)
		1321	const_iv (PRIORITY_VERY_LOW)
		1322	const_iv (PRIORITY_LOW)
		1323	const_iv (PRIORITY_DEFAULT)
		1324	const_iv (PRIORITY_HIGH)
		1325	const_iv (PRIORITY_VERY_HIGH)
		1326	#endif
		1327	#if DB_VERSION_MINOR >= 7
		1328	const_iv (LOG_DIRECT)
		1329	const_iv (LOG_DSYNC)
		1330	const_iv (LOG_AUTO_REMOVE)
		1331	const_iv (LOG_IN_MEMORY)
		1332	const_iv (LOG_ZERO)
		1333	#else
		1334	const_iv (DIRECT_LOG)
		1335	const_iv (LOG_AUTOREMOVE)
		1336	# if DB_VERSION_MINOR >= 3
		1337	const_iv (DSYNC_LOG)
		1338	const_iv (LOG_INMEMORY)
		1339	# endif
		1340	#endif
1040	};	1341	};
1041		1342
1042	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1343	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1344	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044		1345
1045	create_pipe ();	1346	prepare_cb = &PL_sv_undef;
		1347
		1348	{
		1349	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1350	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1351
		1352	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1353	}
		1354
		1355	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1356
		1357	create_respipe ();
		1358
1046	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1359	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1360	patch_errno ();
1047	}	1361	}
1048		1362
1049	void	1363	void
1050	max_poll_reqs (int nreqs)	1364	max_poll_reqs (int nreqs)
1051	PROTOTYPE: $	1365	PROTOTYPE: $
…		…
1170		1484
1171	int	1485	int
1172	nthreads ()	1486	nthreads ()
1173	PROTOTYPE:	1487	PROTOTYPE:
1174	CODE:	1488	CODE:
1175	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1489	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176	RETVAL = started;	1490	RETVAL = started;
1177	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1491	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178	OUTPUT:	1492	OUTPUT:
1179	RETVAL	1493	RETVAL
1180		1494
1181	void	1495	SV *
1182	set_sync_prepare (SV *cb)	1496	set_sync_prepare (SV *cb)
1183	PROTOTYPE: &	1497	PROTOTYPE: &
1184	CODE:	1498	CODE:
1185	SvREFCNT_dec (prepare_cb);	1499	RETVAL = prepare_cb;
1186	prepare_cb = newSVsv (cb);	1500	prepare_cb = newSVsv (cb);
		1501	OUTPUT:
		1502	RETVAL
1187		1503
		1504	char *
		1505	strerror (int errorno = errno)
		1506	PROTOTYPE: ;$
		1507	CODE:
		1508	RETVAL = db_strerror (errorno);
		1509	OUTPUT:
		1510	RETVAL
		1511
		1512	void _on_next_submit (SV *cb)
		1513	CODE:
		1514	SvREFCNT_dec (on_next_submit);
		1515	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1188		1516
1189	DB_ENV *	1517	DB_ENV *
1190	db_env_create (U32 env_flags = 0)	1518	db_env_create (U32 env_flags = 0)
1191	CODE:	1519	CODE:
1192	{	1520	{
1193	errno = db_env_create (&RETVAL, env_flags);	1521	errno = db_env_create (&RETVAL, env_flags);
1194	if (errno)	1522	if (errno)
1195	croak ("db_env_create: %s", db_strerror (errno));	1523	croak ("db_env_create: %s", db_strerror (errno));
		1524
		1525	if (0)
		1526	{
		1527	RETVAL->set_errcall (RETVAL, debug_errcall);
		1528	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1529	}
1196	}	1530	}
1197	OUTPUT:	1531	OUTPUT:
1198	RETVAL	1532	RETVAL
1199		1533
1200	void	1534	void
1201	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1535	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1536	PREINIT:
		1537	CALLBACK
1202	CODE:	1538	CODE:
1203	{	1539	{
1204	env->set_thread_count (env, get_nthreads ());
1205
1206	dREQ (REQ_ENV_OPEN);	1540	dREQ (REQ_ENV_OPEN, 1);
1207	req->env = env;	1541	req->env = env;
1208	req->uint1 = open_flags \| DB_THREAD;	1542	req->uint1 = open_flags \| DB_THREAD;
1209	req->int1 = mode;	1543	req->int1 = mode;
1210	req->buf1 = strdup_ornull (db_home);	1544	req->buf1 = strdup_ornull (db_home);
1211	REQ_SEND;	1545	REQ_SEND;
1212	}	1546	}
1213		1547
1214	void	1548	void
1215	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1549	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1550	PREINIT:
		1551	CALLBACK
1216	CODE:	1552	CODE:
1217	{	1553	{
1218	dREQ (REQ_ENV_CLOSE);	1554	dREQ (REQ_ENV_CLOSE, 0);
		1555	ptr_nuke (ST (0));
1219	req->env = env;	1556	req->env = env;
1220	req->uint1 = flags;	1557	req->uint1 = flags;
1221	REQ_SEND;	1558	REQ_SEND;
1222	ptr_nuke (ST (0));
1223	}	1559	}
1224		1560
1225	void	1561	void
1226	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1562	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1563	PREINIT:
		1564	CALLBACK
1227	CODE:	1565	CODE:
1228	{	1566	{
1229	dREQ (REQ_ENV_TXN_CHECKPOINT);	1567	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1230	req->env = env;	1568	req->env = env;
1231	req->uint1 = kbyte;	1569	req->uint1 = kbyte;
1232	req->int1 = min;	1570	req->int1 = min;
1233	req->uint2 = flags;	1571	req->uint2 = flags;
1234	REQ_SEND;	1572	REQ_SEND;
1235	}	1573	}
1236		1574
1237	void	1575	void
1238	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1576	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1577	PREINIT:
		1578	CALLBACK
1239	CODE:	1579	CODE:
1240	{	1580	{
1241	dREQ (REQ_ENV_LOCK_DETECT);	1581	dREQ (REQ_ENV_LOCK_DETECT, 1);
1242	req->env = env;	1582	req->env = env;
1243	req->uint1 = flags;	1583	req->uint1 = flags;
1244	req->uint2 = atype;	1584	req->uint2 = atype;
		1585	/* req->int2 = 0; dummy */
1245	REQ_SEND;	1586	REQ_SEND;
1246	}	1587	}
1247		1588
1248	void	1589	void
1249	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1590	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1591	PREINIT:
		1592	CALLBACK
1250	CODE:	1593	CODE:
1251	{	1594	{
1252	dREQ (REQ_ENV_MEMP_SYNC);	1595	dREQ (REQ_ENV_MEMP_SYNC, 1);
1253	req->env = env;	1596	req->env = env;
1254	REQ_SEND;	1597	REQ_SEND;
1255	}	1598	}
1256		1599
1257	void	1600	void
1258	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1601	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1602	PREINIT:
		1603	CALLBACK
1259	CODE:	1604	CODE:
1260	{	1605	{
1261	dREQ (REQ_ENV_MEMP_TRICKLE);	1606	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1262	req->env = env;	1607	req->env = env;
1263	req->int1 = percent;	1608	req->int1 = percent;
1264	REQ_SEND;	1609	REQ_SEND;
1265	}	1610	}
1266		1611
		1612	void
		1613	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1614	PREINIT:
		1615	CALLBACK
		1616	CODE:
		1617	{
		1618	dREQ (REQ_ENV_DBREMOVE, 2);
		1619	req->env = env;
		1620	req->buf1 = strdup_ornull (file);
		1621	req->buf2 = strdup_ornull (database);
		1622	req->uint1 = flags;
		1623	REQ_SEND;
		1624	}
		1625
		1626	void
		1627	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)
		1628	PREINIT:
		1629	CALLBACK
		1630	CODE:
		1631	{
		1632	dREQ (REQ_ENV_DBRENAME, 2);
		1633	req->env = env;
		1634	req->buf1 = strdup_ornull (file);
		1635	req->buf2 = strdup_ornull (database);
		1636	req->buf3 = strdup_ornull (newname);
		1637	req->uint1 = flags;
		1638	REQ_SEND;
		1639	}
1267		1640
1268	DB *	1641	DB *
1269	db_create (DB_ENV *env = 0, U32 flags = 0)	1642	db_create (DB_ENV *env = 0, U32 flags = 0)
1270	CODE:	1643	CODE:
1271	{	1644	{
…		…
1278	}	1651	}
1279	OUTPUT:	1652	OUTPUT:
1280	RETVAL	1653	RETVAL
1281		1654
1282	void	1655	void
1283	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1656	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1657	PREINIT:
		1658	CALLBACK
1284	CODE:	1659	CODE:
1285	{	1660	{
1286	dREQ (REQ_DB_OPEN);	1661	dREQ (REQ_DB_OPEN, 2);
1287	req->db = db;	1662	req->db = db;
1288	req->txn = txnid;	1663	req->txn = txnid;
1289	req->buf1 = strdup_ornull (file);	1664	req->buf1 = strdup_ornull (file);
1290	req->buf2 = strdup_ornull (database);	1665	req->buf2 = strdup_ornull (database);
1291	req->int1 = type;	1666	req->int1 = type;
…		…
1293	req->int2 = mode;	1668	req->int2 = mode;
1294	REQ_SEND;	1669	REQ_SEND;
1295	}	1670	}
1296		1671
1297	void	1672	void
1298	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1673	db_close (DB db, U32 flags = 0, SV callback = 0)
		1674	PREINIT:
		1675	CALLBACK
1299	CODE:	1676	CODE:
1300	{	1677	{
1301	dREQ (REQ_DB_CLOSE);	1678	dREQ (REQ_DB_CLOSE, 0);
		1679	ptr_nuke (ST (0));
1302	req->db = db;	1680	req->db = db;
1303	req->uint1 = flags;	1681	req->uint1 = flags;
1304	req->sv1 = (SV *)db->app_private;	1682	req->sv1 = (SV *)db->app_private;
1305	REQ_SEND;	1683	REQ_SEND;
1306	ptr_nuke (ST (0));
1307	}	1684	}
1308		1685
		1686	#if DB_VERSION_MINOR >= 4
		1687
1309	void	1688	void
1310	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)	1689	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)
		1690	PREINIT:
		1691	CALLBACK
1311	CODE:	1692	CODE:
1312	{	1693	{
1313	dREQ (REQ_DB_COMPACT);	1694	dREQ (REQ_DB_COMPACT, 2);
1314	req->db = db;	1695	req->db = db;
1315	req->txn = txn;	1696	req->txn = txn;
1316	sv_to_dbt (&req->dbt1, start);	1697	sv_to_dbt (&req->dbt1, start);
1317	sv_to_dbt (&req->dbt2, stop);	1698	sv_to_dbt (&req->dbt2, stop);
1318	req->uint1 = flags;	1699	req->uint1 = flags;
1319	REQ_SEND;	1700	REQ_SEND;
1320	}	1701	}
1321		1702
		1703	#endif
		1704
1322	void	1705	void
1323	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1706	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1707	PREINIT:
		1708	CALLBACK
1324	CODE:	1709	CODE:
1325	{	1710	{
1326	dREQ (REQ_DB_SYNC);	1711	dREQ (REQ_DB_SYNC, 1);
1327	req->db = db;	1712	req->db = db;
1328	req->uint1 = flags;	1713	req->uint1 = flags;
1329	REQ_SEND;	1714	REQ_SEND;
1330	}	1715	}
1331		1716
1332	void	1717	void
		1718	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1719	PREINIT:
		1720	CALLBACK
		1721	CODE:
		1722	{
		1723	dREQ (REQ_DB_SYNC, 1);
		1724	req->db = db;
		1725	req->buf1 = strdup (file);
		1726	req->uint1 = flags;
		1727	REQ_SEND;
		1728	}
		1729
		1730	void
1333	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1731	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1732	PREINIT:
		1733	CALLBACK
1334	CODE:	1734	CODE:
1335	{	1735	{
1336	dREQ (REQ_DB_KEY_RANGE);	1736	dREQ (REQ_DB_KEY_RANGE, 2);
1337	req->db = db;	1737	req->db = db;
1338	req->txn = txn;	1738	req->txn = txn;
1339	sv_to_dbt (&req->dbt1, key);	1739	sv_to_dbt (&req->dbt1, key);
1340	req->uint1 = flags;	1740	req->uint1 = flags;
1341	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1741	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1342	REQ_SEND;	1742	REQ_SEND;
1343	}	1743	}
1344		1744
1345	void	1745	void
1346	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1746	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1747	PREINIT:
		1748	CALLBACK
1347	CODE:	1749	CODE:
1348	{	1750	{
1349	dREQ (REQ_DB_PUT);	1751	dREQ (REQ_DB_PUT, 2);
1350	req->db = db;	1752	req->db = db;
1351	req->txn = txn;	1753	req->txn = txn;
1352	sv_to_dbt (&req->dbt1, key);	1754	sv_to_dbt (&req->dbt1, key);
1353	sv_to_dbt (&req->dbt2, data);	1755	sv_to_dbt (&req->dbt2, data);
1354	req->uint1 = flags;	1756	req->uint1 = flags;
1355	REQ_SEND;	1757	REQ_SEND;
1356	}	1758	}
1357		1759
		1760	#if DB_VERSION_MINOR >= 6
		1761
1358	void	1762	void
		1763	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1764	PREINIT:
		1765	CALLBACK
		1766	CODE:
		1767	{
		1768	dREQ (REQ_DB_EXISTS, 2);
		1769	req->db = db;
		1770	req->txn = txn;
		1771	req->uint1 = flags;
		1772	sv_to_dbt (&req->dbt1, key);
		1773	REQ_SEND;
		1774	}
		1775
		1776	#endif
		1777
		1778	void
1359	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1779	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1780	PREINIT:
		1781	CALLBACK
1360	CODE:	1782	CODE:
1361	{	1783	{
		1784	//TODO: key is somtimesmutable
1362	dREQ (REQ_DB_GET);	1785	dREQ (REQ_DB_GET, 2);
1363	req->db = db;	1786	req->db = db;
1364	req->txn = txn;	1787	req->txn = txn;
1365	req->uint1 = flags;	1788	req->uint1 = flags;
1366	sv_to_dbt (&req->dbt1, key);	1789	sv_to_dbt (&req->dbt1, key);
1367	req->dbt3.flags = DB_DBT_MALLOC;	1790	req->dbt3.flags = DB_DBT_MALLOC;
1368	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1791	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1369	REQ_SEND;	1792	REQ_SEND;
1370	}	1793	}
1371		1794
1372	void	1795	void
1373	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1796	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1797	PREINIT:
		1798	CALLBACK
1374	CODE:	1799	CODE:
1375	{	1800	{
		1801	//TODO: key is somtimesmutable
1376	dREQ (REQ_DB_PGET);	1802	dREQ (REQ_DB_PGET, 2);
		1803	req->db = db;
		1804	req->txn = txn;
		1805	req->uint1 = flags;
		1806
		1807	sv_to_dbt (&req->dbt1, key);
		1808
		1809	req->dbt2.flags = DB_DBT_MALLOC;
		1810	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1811
		1812	req->dbt3.flags = DB_DBT_MALLOC;
		1813	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1814	REQ_SEND;
		1815	}
		1816
		1817	void
		1818	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1819	PREINIT:
		1820	CALLBACK
		1821	CODE:
		1822	{
		1823	dREQ (REQ_DB_DEL, 2);
1377	req->db = db;	1824	req->db = db;
1378	req->txn = txn;	1825	req->txn = txn;
1379	req->uint1 = flags;	1826	req->uint1 = flags;
1380	sv_to_dbt (&req->dbt1, key);	1827	sv_to_dbt (&req->dbt1, key);
1381	sv_to_dbt (&req->dbt2, pkey);
1382	req->dbt3.flags = DB_DBT_MALLOC;
1383	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1384	REQ_SEND;	1828	REQ_SEND;
1385	}	1829	}
1386		1830
1387	void	1831	void
1388	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1832	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1833	PREINIT:
		1834	CALLBACK
1389	CODE:	1835	CODE:
1390	{	1836	{
1391	dREQ (REQ_DB_DEL);	1837	dREQ (REQ_TXN_COMMIT, 0);
1392	req->db = db;	1838	ptr_nuke (ST (0));
1393	req->txn = txn;	1839	req->txn = txn;
1394	req->uint1 = flags;	1840	req->uint1 = flags;
1395	sv_to_dbt (&req->dbt1, key);
1396	REQ_SEND;	1841	REQ_SEND;
1397	}	1842	}
1398		1843
1399	void	1844	void
1400	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1845	db_txn_abort (DB_TXN txn, SV callback = 0)
		1846	PREINIT:
		1847	CALLBACK
1401	CODE:	1848	CODE:
1402	{	1849	{
1403	dREQ (REQ_TXN_COMMIT);	1850	dREQ (REQ_TXN_ABORT, 0);
		1851	ptr_nuke (ST (0));
		1852	req->txn = txn;
		1853	REQ_SEND;
		1854	}
		1855
		1856	void
		1857	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1858	PREINIT:
		1859	CALLBACK
		1860	CODE:
		1861	{
		1862	dREQ (REQ_TXN_FINISH, 0);
		1863	ptr_nuke (ST (0));
1404	req->txn = txn;	1864	req->txn = txn;
1405	req->uint1 = flags;	1865	req->uint1 = flags;
1406	REQ_SEND;	1866	REQ_SEND;
		1867	}
		1868
		1869	void
		1870	db_c_close (DBC dbc, SV callback = 0)
		1871	PREINIT:
		1872	CALLBACK
		1873	CODE:
		1874	{
		1875	dREQ (REQ_C_CLOSE, 0);
1407	ptr_nuke (ST (0));	1876	ptr_nuke (ST (0));
1408	}
1409
1410	void
1411	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1412	CODE:
1413	{
1414	dREQ (REQ_TXN_ABORT);
1415	req->txn = txn;
1416	REQ_SEND;
1417	ptr_nuke (ST (0));
1418	}
1419
1420	void
1421	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1422	CODE:
1423	{
1424	dREQ (REQ_C_CLOSE);
1425	req->dbc = dbc;	1877	req->dbc = dbc;
1426	REQ_SEND;	1878	REQ_SEND;
1427	ptr_nuke (ST (0));
1428	}	1879	}
1429		1880
1430	void	1881	void
1431	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	1882	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		1883	PREINIT:
		1884	CALLBACK
1432	CODE:	1885	CODE:
1433	{	1886	{
1434	dREQ (REQ_C_COUNT);	1887	dREQ (REQ_C_COUNT, 1);
1435	req->dbc = dbc;	1888	req->dbc = dbc;
1436	req->sv1 = SvREFCNT_inc (count);	1889	req->sv1 = SvREFCNT_inc (count);
1437	REQ_SEND;	1890	REQ_SEND;
1438	}	1891	}
1439		1892
1440	void	1893	void
1441	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1894	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		1895	PREINIT:
		1896	CALLBACK
1442	CODE:	1897	CODE:
1443	{	1898	{
1444	dREQ (REQ_C_PUT);	1899	dREQ (REQ_C_PUT, 1);
1445	req->dbc = dbc;	1900	req->dbc = dbc;
1446	sv_to_dbt (&req->dbt1, key);	1901	sv_to_dbt (&req->dbt1, key);
1447	sv_to_dbt (&req->dbt2, data);	1902	sv_to_dbt (&req->dbt2, data);
1448	req->uint1 = flags;	1903	req->uint1 = flags;
1449	REQ_SEND;	1904	REQ_SEND;
1450	}	1905	}
1451		1906
1452	void	1907	void
1453	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1908	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		1909	PREINIT:
		1910	CALLBACK
1454	CODE:	1911	CODE:
1455	{	1912	{
		1913	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1914	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1915
		1916	{
1456	dREQ (REQ_C_GET);	1917	dREQ (REQ_C_GET, 1);
		1918	req->dbc = dbc;
		1919	req->uint1 = flags;
		1920	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1921	sv_to_dbt (&req->dbt1, key);
		1922	else
		1923	{
		1924	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1925	sv_to_dbt (&req->dbt1, key);
		1926	else
		1927	req->dbt1.flags = DB_DBT_MALLOC;
		1928
		1929	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1930	}
		1931
		1932	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1933	\|\| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1934	sv_to_dbt (&req->dbt3, data);
		1935	else
		1936	req->dbt3.flags = DB_DBT_MALLOC;
		1937
		1938	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1939	REQ_SEND;
		1940	}
		1941	}
		1942
		1943	void
		1944	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1945	PREINIT:
		1946	CALLBACK
		1947	CODE:
		1948	{
		1949	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1950	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1951
		1952	{
		1953	dREQ (REQ_C_PGET, 1);
		1954	req->dbc = dbc;
		1955	req->uint1 = flags;
		1956	if (flags & DB_OPFLAGS_MASK == DB_SET)
		1957	sv_to_dbt (&req->dbt1, key);
		1958	else
		1959	{
		1960	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1961	sv_to_dbt (&req->dbt1, key);
		1962	else
		1963	req->dbt1.flags = DB_DBT_MALLOC;
		1964
		1965	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1966	}
		1967
		1968	req->dbt2.flags = DB_DBT_MALLOC;
		1969	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1970
		1971	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
		1972	\|\| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
		1973	sv_to_dbt (&req->dbt3, data);
		1974	else
		1975	req->dbt3.flags = DB_DBT_MALLOC;
		1976
		1977	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1978	REQ_SEND;
		1979	}
		1980	}
		1981
		1982	void
		1983	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		1984	PREINIT:
		1985	CALLBACK
		1986	CODE:
		1987	{
		1988	dREQ (REQ_C_DEL, 1);
1457	req->dbc = dbc;	1989	req->dbc = dbc;
1458	req->uint1 = flags;	1990	req->uint1 = flags;
1459	if ((flags & DB_SET) == DB_SET
1460	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1461	sv_to_dbt (&req->dbt1, key);
1462	else
1463	req->dbt1.flags = DB_DBT_MALLOC;
1464
1465	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1466
1467	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1468	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1469	sv_to_dbt (&req->dbt3, data);
1470	else
1471	req->dbt3.flags = DB_DBT_MALLOC;
1472
1473	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1474	REQ_SEND;	1991	REQ_SEND;
1475	}	1992	}
1476		1993
1477	void
1478	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1479	CODE:
1480	{
1481	dREQ (REQ_C_PGET);
1482	req->dbc = dbc;
1483	req->uint1 = flags;
1484	if ((flags & DB_SET) == DB_SET
1485	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1486	sv_to_dbt (&req->dbt1, key);
1487	else
1488	req->dbt1.flags = DB_DBT_MALLOC;
1489		1994
1490	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	1995	#if DB_VERSION_MINOR >= 3
1491		1996
1492	req->dbt2.flags = DB_DBT_MALLOC;
1493	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1494
1495	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1496	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1497	sv_to_dbt (&req->dbt3, data);
1498	else
1499	req->dbt3.flags = DB_DBT_MALLOC;
1500
1501	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1502	REQ_SEND;
1503	}
1504
1505	void	1997	void
1506	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
1507	CODE:
1508	{
1509	dREQ (REQ_C_DEL);
1510	req->dbc = dbc;
1511	req->uint1 = flags;
1512	REQ_SEND;
1513	}
1514
1515
1516	void
1517	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1998	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		1999	PREINIT:
		2000	CALLBACK
1518	CODE:	2001	CODE:
1519	{	2002	{
1520	dREQ (REQ_SEQ_OPEN);	2003	dREQ (REQ_SEQ_OPEN, 2);
1521	req->seq = seq;	2004	req->seq = seq;
1522	req->txn = txnid;	2005	req->txn = txnid;
1523	req->uint1 = flags \| DB_THREAD;	2006	req->uint1 = flags \| DB_THREAD;
1524	sv_to_dbt (&req->dbt1, key);	2007	sv_to_dbt (&req->dbt1, key);
1525	REQ_SEND;	2008	REQ_SEND;
1526	}	2009	}
1527		2010
1528	void	2011	void
1529	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2012	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2013	PREINIT:
		2014	CALLBACK
1530	CODE:	2015	CODE:
1531	{	2016	{
1532	dREQ (REQ_SEQ_CLOSE);	2017	dREQ (REQ_SEQ_CLOSE, 0);
		2018	ptr_nuke (ST (0));
1533	req->seq = seq;	2019	req->seq = seq;
1534	req->uint1 = flags;	2020	req->uint1 = flags;
1535	REQ_SEND;	2021	REQ_SEND;
1536	ptr_nuke (ST (0));
1537	}	2022	}
1538		2023
1539	void	2024	void
1540	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)	2025	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2026	PREINIT:
		2027	CALLBACK
1541	CODE:	2028	CODE:
1542	{	2029	{
1543	dREQ (REQ_SEQ_GET);	2030	dREQ (REQ_SEQ_GET, 2);
1544	req->seq = seq;	2031	req->seq = seq;
1545	req->txn = txnid;	2032	req->txn = txnid;
1546	req->int1 = delta;	2033	req->int1 = delta;
1547	req->uint1 = flags;	2034	req->uint1 = flags;
1548	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2035	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1549	REQ_SEND;	2036	REQ_SEND;
1550	}	2037	}
1551		2038
1552	void	2039	void
1553	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2040	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2041	PREINIT:
		2042	CALLBACK
1554	CODE:	2043	CODE:
1555	{	2044	{
1556	dREQ (REQ_SEQ_REMOVE);	2045	dREQ (REQ_SEQ_REMOVE, 2);
1557	req->seq = seq;	2046	req->seq = seq;
1558	req->txn = txnid;	2047	req->txn = txnid;
1559	req->uint1 = flags;	2048	req->uint1 = flags;
1560	REQ_SEND;	2049	REQ_SEND;
1561	}	2050	}
1562		2051
		2052	#endif
		2053
1563		2054
1564	MODULE = BDB PACKAGE = BDB::Env	2055	MODULE = BDB PACKAGE = BDB::Env
1565		2056
1566	void	2057	void
1567	DESTROY (DB_ENV_ornull *env)	2058	DESTROY (DB_ENV_ornuked *env)
1568	CODE:	2059	CODE:
1569	if (env)	2060	if (env)
1570	env->close (env, 0);	2061	env->close (env, 0);
1571		2062
1572	int set_data_dir (DB_ENV env, const char dir)	2063	int set_data_dir (DB_ENV env, const char dir)
…		…
1597	CODE:	2088	CODE:
1598	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2089	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1599	OUTPUT:	2090	OUTPUT:
1600	RETVAL	2091	RETVAL
1601		2092
1602	int set_flags (DB_ENV *env, U32 flags, int onoff)	2093	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1603	CODE:	2094	CODE:
1604	RETVAL = env->set_flags (env, flags, onoff);	2095	RETVAL = env->set_flags (env, flags, onoff);
1605	OUTPUT:	2096	OUTPUT:
1606	RETVAL	2097	RETVAL
1607		2098
		2099	#if DB_VERSION_MINOR >= 7
		2100
		2101	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2102	CODE:
		2103	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2104	OUTPUT:
		2105	RETVAL
		2106
		2107	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2108	CODE:
		2109	RETVAL = env->log_set_config (env, flags, onoff);
		2110	OUTPUT:
		2111	RETVAL
		2112
		2113	#endif
		2114
		2115
		2116	void set_errfile (DB_ENV env, FILE errfile = 0)
		2117	CODE:
		2118	env->set_errfile (env, errfile);
		2119
		2120	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		2121	CODE:
		2122	env->set_msgfile (env, msgfile);
		2123
		2124	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2125	CODE:
		2126	RETVAL = env->set_verbose (env, which, onoff);
		2127	OUTPUT:
		2128	RETVAL
		2129
1608	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	2130	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1609	CODE:	2131	CODE:
1610	RETVAL = env->set_encrypt (env, password, flags);	2132	RETVAL = env->set_encrypt (env, password, flags);
1611	OUTPUT:	2133	OUTPUT:
1612	RETVAL	2134	RETVAL
1613		2135
1614	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2136	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1615	CODE:	2137	CODE:
1616	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2138	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1617	OUTPUT:	2139	OUTPUT:
1618	RETVAL	2140	RETVAL
1619		2141
…		…
1668	int set_lg_max (DB_ENV *env, U32 max)	2190	int set_lg_max (DB_ENV *env, U32 max)
1669	CODE:	2191	CODE:
1670	RETVAL = env->set_lg_max (env, max);	2192	RETVAL = env->set_lg_max (env, max);
1671	OUTPUT:	2193	OUTPUT:
1672	RETVAL	2194	RETVAL
		2195
		2196	#if DB_VERSION_MINOR >= 4
		2197
		2198	int mutex_set_max (DB_ENV *env, U32 max)
		2199	CODE:
		2200	RETVAL = env->mutex_set_max (env, max);
		2201	OUTPUT:
		2202	RETVAL
		2203
		2204	int mutex_set_increment (DB_ENV *env, U32 increment)
		2205	CODE:
		2206	RETVAL = env->mutex_set_increment (env, increment);
		2207	OUTPUT:
		2208	RETVAL
		2209
		2210	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2211	CODE:
		2212	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2213	OUTPUT:
		2214	RETVAL
		2215
		2216	int mutex_set_align (DB_ENV *env, U32 align)
		2217	CODE:
		2218	RETVAL = env->mutex_set_align (env, align);
		2219	OUTPUT:
		2220	RETVAL
		2221
		2222	#endif
1673		2223
1674	DB_TXN *	2224	DB_TXN *
1675	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2225	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1676	CODE:	2226	CODE:
1677	errno = env->txn_begin (env, parent, &RETVAL, flags);	2227	errno = env->txn_begin (env, parent, &RETVAL, flags);
1678	if (errno)	2228	if (errno)
1679	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2229	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1680	OUTPUT:	2230	OUTPUT:
1681	RETVAL	2231	RETVAL
1682		2232
		2233	#if DB_VERSION_MINOR >= 5
		2234
		2235	DB_TXN *
		2236	cdsgroup_begin (DB_ENV *env)
		2237	CODE:
		2238	errno = env->cdsgroup_begin (env, &RETVAL);
		2239	if (errno)
		2240	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2241	OUTPUT:
		2242	RETVAL
		2243
		2244	#endif
		2245
1683	MODULE = BDB PACKAGE = BDB::Db	2246	MODULE = BDB PACKAGE = BDB::Db
1684		2247
1685	void	2248	void
1686	DESTROY (DB_ornull *db)	2249	DESTROY (DB_ornuked *db)
1687	CODE:	2250	CODE:
1688	if (db)	2251	if (db)
1689	{	2252	{
1690	SV env = (SV )db->app_private;	2253	SV env = (SV )db->app_private;
1691	db->close (db, 0);	2254	db->close (db, 0);
…		…
1696	CODE:	2259	CODE:
1697	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2260	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698	OUTPUT:	2261	OUTPUT:
1699	RETVAL	2262	RETVAL
1700		2263
1701	int set_flags (DB *db, U32 flags);	2264	int set_flags (DB *db, U32 flags)
1702	CODE:	2265	CODE:
1703	RETVAL = db->set_flags (db, flags);	2266	RETVAL = db->set_flags (db, flags);
1704	OUTPUT:	2267	OUTPUT:
1705	RETVAL	2268	RETVAL
1706		2269
…		…
1720	CODE:	2283	CODE:
1721	RETVAL = db->set_bt_minkey (db, minkey);	2284	RETVAL = db->set_bt_minkey (db, minkey);
1722	OUTPUT:	2285	OUTPUT:
1723	RETVAL	2286	RETVAL
1724		2287
1725	int set_re_delim(DB *db, int delim);	2288	int set_re_delim (DB *db, int delim)
1726	CODE:	2289	CODE:
1727	RETVAL = db->set_re_delim (db, delim);	2290	RETVAL = db->set_re_delim (db, delim);
1728	OUTPUT:	2291	OUTPUT:
1729	RETVAL	2292	RETVAL
1730		2293
…		…
1771	if (errno)	2334	if (errno)
1772	croak ("DB->cursor: %s", db_strerror (errno));	2335	croak ("DB->cursor: %s", db_strerror (errno));
1773	OUTPUT:	2336	OUTPUT:
1774	RETVAL	2337	RETVAL
1775		2338
		2339	#if DB_VERSION_MINOR >= 3
		2340
1776	DB_SEQUENCE *	2341	DB_SEQUENCE *
1777	sequence (DB *db, U32 flags = 0)	2342	sequence (DB *db, U32 flags = 0)
1778	CODE:	2343	CODE:
1779	{	2344	{
1780	errno = db_sequence_create (&RETVAL, db, flags);	2345	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1782	croak ("db_sequence_create: %s", db_strerror (errno));	2347	croak ("db_sequence_create: %s", db_strerror (errno));
1783	}	2348	}
1784	OUTPUT:	2349	OUTPUT:
1785	RETVAL	2350	RETVAL
1786		2351
		2352	#endif
		2353
1787		2354
1788	MODULE = BDB PACKAGE = BDB::Txn	2355	MODULE = BDB PACKAGE = BDB::Txn
1789		2356
1790	void	2357	void
1791	DESTROY (DB_TXN_ornull *txn)	2358	DESTROY (DB_TXN_ornuked *txn)
1792	CODE:	2359	CODE:
1793	if (txn)	2360	if (txn)
1794	txn->abort (txn);	2361	txn->abort (txn);
1795		2362
1796	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2363	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1797	CODE:	2364	CODE:
1798	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2365	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1799	OUTPUT:	2366	OUTPUT:
1800	RETVAL	2367	RETVAL
1801		2368
		2369	int failed (DB_TXN *txn)
		2370	CODE:
		2371	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2372	OUTPUT:
		2373	RETVAL
		2374
1802		2375
1803	MODULE = BDB PACKAGE = BDB::Cursor	2376	MODULE = BDB PACKAGE = BDB::Cursor
1804		2377
1805	void	2378	void
1806	DESTROY (DBC_ornull *dbc)	2379	DESTROY (DBC_ornuked *dbc)
1807	CODE:	2380	CODE:
1808	if (dbc)	2381	if (dbc)
1809	dbc->c_close (dbc);	2382	dbc->c_close (dbc);
1810		2383
		2384	#if DB_VERSION_MINOR >= 6
		2385
		2386	int set_priority (DBC *dbc, int priority)
		2387	CODE:
		2388	dbc->set_priority (dbc, priority);
		2389
		2390	#endif
		2391
		2392	#if DB_VERSION_MINOR >= 3
		2393
1811	MODULE = BDB PACKAGE = BDB::Sequence	2394	MODULE = BDB PACKAGE = BDB::Sequence
1812		2395
1813	void	2396	void
1814	DESTROY (DB_SEQUENCE_ornull *seq)	2397	DESTROY (DB_SEQUENCE_ornuked *seq)
1815	CODE:	2398	CODE:
1816	if (seq)	2399	if (seq)
1817	seq->close (seq, 0);	2400	seq->close (seq, 0);
1818		2401
1819	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2402	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1838	CODE:	2421	CODE:
1839	RETVAL = seq->set_range (seq, min, max);	2422	RETVAL = seq->set_range (seq, min, max);
1840	OUTPUT:	2423	OUTPUT:
1841	RETVAL	2424	RETVAL
1842		2425
		2426	#endif
		2427
		2428

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Comparing BDB/BDB.xs (file contents): Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC vs. Revision 1.58 by root, Tue Sep 30 17:03:07 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC vs.
Revision 1.58 by root, Tue Sep 30 17:03:07 2008 UTC