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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 1.55 by root, Fri Sep 26 02:37:33 2008 UTC

1	/* solaris */	1	#include <sys/user.h>
2	#define _POSIX_PTHREAD_SEMANTICS 1	2	#include <sys/ptrace.h>
3		3
4	#if __linux && !defined(_GNU_SOURCE)	4	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
5	# define _GNU_SOURCE
6	#endif
7		5
8	/* just in case */	6	#include "xthread.h"
9	#define _REENTRANT 1
10		7
11	#include <errno.h>	8	#include <errno.h>
12		9
13	#include "EXTERN.h"	10	#include "EXTERN.h"
14	#include "perl.h"	11	#include "perl.h"
15	#include "XSUB.h"	12	#include "XSUB.h"
16		13
17	#include <pthread.h>	14	// perl stupidly defines these as macros, breaking
		15	// lots and lots of code.
		16	#undef open
		17	#undef close
		18	#undef abort
		19	#undef malloc
		20	#undef free
		21	#undef send
18		22
19	#include <stddef.h>	23	#include <stddef.h>
20	#include <stdlib.h>	24	#include <stdlib.h>
21	#include <errno.h>	25	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	26	#include <sys/types.h>
24	#include <limits.h>	27	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	28	#include <fcntl.h>
27		29
		30	#ifndef _WIN32
		31	# include <sys/time.h>
		32	# include <unistd.h>
		33	#endif
		34
28	#include <db.h>	35	#include <db.h>
		36
		37	#if DB_VERSION_MAJOR != 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		38	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		39	#endif
29		40
30	/* number of seconds after which idle threads exit */	41	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	42	#define IDLE_TIMEOUT 10
32		43
33	/* wether word reads are potentially non-atomic.	44	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		45
45	typedef DB_ENV DB_ENV_ornull;	46	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	47	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	48	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	49	typedef DB DB_ornull;
		50
		51	typedef DB_ENV DB_ENV_ornuked;
		52	typedef DB_TXN DB_TXN_ornuked;
		53	typedef DBC DBC_ornuked;
		54	typedef DB DB_ornuked;
		55
		56	#if DB_VERSION_MINOR >= 3
49	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	57	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		58	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		59	#endif
50		60
51	typedef SV SV8; /* byte-sv, used for argument-checking */	61	typedef SV SV8; /* byte-sv, used for argument-checking */
52	typedef char *octetstring;	62	typedef char *bdb_filename;
53		63
54	static SV *prepare_cb;	64	static SV *prepare_cb;
55		65
		66	#if DB_VERSION_MINOR >= 6
		67	# define c_close close
		68	# define c_count count
		69	# define c_del del
		70	# define c_dup dup
		71	# define c_get get
		72	# define c_pget pget
		73	# define c_put put
		74	#endif
		75
56	static inline char *	76	static char *
		77	get_bdb_filename (SV *sv)
		78	{
		79	if (!SvOK (sv))
		80	return 0;
		81
		82	#if _WIN32
		83	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		84	{
		85	STRLEN len;
		86	char *src = SvPVbyte (sv, len);
		87	SV *t1 = sv_newmortal ();
		88	SV *t2 = sv_newmortal ();
		89
		90	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		91	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		92
		93	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		94	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		95	SvPOK_only (t2);
		96	SvPVX (t2)[len] = 0;
		97	SvCUR_set (t2, len);
		98
		99	return SvPVX (t2);
		100	}
		101	#else
		102	return SvPVbyte_nolen (sv);
		103	#endif
		104	}
		105
		106	static void
		107	debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
		108	{
		109	printf ("err[%s]\n", msg);
		110	}
		111
		112	static void
		113	debug_msgcall (const DB_ENV *dbenv, const char *msg)
		114	{
		115	printf ("msg[%s]\n", msg);
		116	}
		117
		118	static char *
57	strdup_ornull (const char *s)	119	strdup_ornull (const char *s)
58	{	120	{
59	return s ? strdup (s) : 0;	121	return s ? strdup (s) : 0;
60	}	122	}
61		123
62	static inline void	124	static void
63	sv_to_dbt (DBT *dbt, SV *sv)	125	sv_to_dbt (DBT *dbt, SV *sv)
64	{	126	{
65	STRLEN len;	127	STRLEN len;
66	char *data = SvPVbyte (sv, len);	128	char *data = SvPVbyte (sv, len);
67		129
…		…
69	memcpy (dbt->data, data, len);	131	memcpy (dbt->data, data, len);
70	dbt->size = len;	132	dbt->size = len;
71	dbt->flags = DB_DBT_REALLOC;	133	dbt->flags = DB_DBT_REALLOC;
72	}	134	}
73		135
74	static inline void	136	static void
75	dbt_to_sv (SV *sv, DBT *dbt)	137	dbt_to_sv (SV *sv, DBT *dbt)
76	{	138	{
77	if (sv)	139	if (sv)
78	{	140	{
79	SvREADONLY_off (sv);	141	SvREADONLY_off (sv);
		142
		143	if (dbt->data)
80	sv_setpvn_mg (sv, dbt->data, dbt->size);	144	sv_setpvn_mg (sv, dbt->data, dbt->size);
		145	else
		146	sv_setsv_mg (sv, &PL_sv_undef);
		147
81	SvREFCNT_dec (sv);	148	SvREFCNT_dec (sv);
82	}	149	}
83		150
84	free (dbt->data);	151	free (dbt->data);
85	}	152	}
86		153
87	enum {	154	enum {
88	REQ_QUIT,	155	REQ_QUIT,
89	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	156	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
90	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	157	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,	158	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,	159	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,	160	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,	161	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,	162	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
96	};	163	};
97		164
98	typedef struct aio_cb	165	typedef struct bdb_cb
99	{	166	{
100	struct aio_cb *volatile next;	167	struct bdb_cb *volatile next;
101	SV *callback;	168	SV *callback;
102	int type, pri, result;	169	int type, pri, result;
103		170
104	DB_ENV *env;	171	DB_ENV *env;
105	DB *db;	172	DB *db;
…		…
107	DBC *dbc;	174	DBC *dbc;
108		175
109	UV uv1;	176	UV uv1;
110	int int1, int2;	177	int int1, int2;
111	U32 uint1, uint2;	178	U32 uint1, uint2;
112	char *buf1, *buf2;	179	char *buf1, *buf2, *buf3;
113	SV *sv1, *sv2, *sv3;	180	SV *sv1, *sv2, *sv3;
114		181
115	DBT dbt1, dbt2, dbt3;	182	DBT dbt1, dbt2, dbt3;
116	DB_KEY_RANGE key_range;	183	DB_KEY_RANGE key_range;
		184	#if DB_VERSION_MINOR >= 3
117	DB_SEQUENCE *seq;	185	DB_SEQUENCE *seq;
118	db_seq_t seq_t;	186	db_seq_t seq_t;
119	} aio_cb;	187	#endif
120		188
		189	SV *rsv1, *rsv2; // keep some request objects alive
		190	} bdb_cb;
		191
121	typedef aio_cb *aio_req;	192	typedef bdb_cb *bdb_req;
122		193
123	enum {	194	enum {
124	PRI_MIN = -4,	195	PRI_MIN = -4,
125	PRI_MAX = 4,	196	PRI_MAX = 4,
126		197
…		…
129	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	200	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
130	};	201	};
131		202
132	#define AIO_TICKS ((1000000 + 1023) >> 10)	203	#define AIO_TICKS ((1000000 + 1023) >> 10)
133		204
		205	static SV *on_next_submit;
		206
134	static unsigned int max_poll_time = 0;	207	static unsigned int max_poll_time = 0;
135	static unsigned int max_poll_reqs = 0;	208	static unsigned int max_poll_reqs = 0;
136		209
137	/* calculcate time difference in ~1/AIO_TICKS of a second */	210	/* calculcate time difference in ~1/AIO_TICKS of a second */
138	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	211	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
143		216
144	static int next_pri = DEFAULT_PRI + PRI_BIAS;	217	static int next_pri = DEFAULT_PRI + PRI_BIAS;
145		218
146	static unsigned int started, idle, wanted;	219	static unsigned int started, idle, wanted;
147		220
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 */	221	/* worker threads management */
158	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	222	static mutex_t wrklock = X_MUTEX_INIT;
159		223
160	typedef struct worker {	224	typedef struct worker {
161	/* locked by wrklock */	225	/* locked by wrklock */
162	struct worker *prev, *next;	226	struct worker *prev, *next;
163		227
164	pthread_t tid;	228	thread_t tid;
165		229
166	/* locked by reslock, reqlock or wrklock */	230	/* locked by reslock, reqlock or wrklock */
167	aio_req req; /* currently processed request */	231	bdb_req req; /* currently processed request */
168	void *dbuf;	232	void *dbuf;
169	DIR *dirp;	233	DIR *dirp;
170	} worker;	234	} worker;
171		235
172	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	236	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
184	}	248	}
185		249
186	static volatile unsigned int nreqs, nready, npending;	250	static volatile unsigned int nreqs, nready, npending;
187	static volatile unsigned int max_idle = 4;	251	static volatile unsigned int max_idle = 4;
188	static volatile unsigned int max_outstanding = 0xffffffff;	252	static volatile unsigned int max_outstanding = 0xffffffff;
189	static int respipe [2];	253	static int respipe_osf [2], respipe [2] = { -1, -1 };
190		254
191	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	255	static mutex_t reslock = X_MUTEX_INIT;
192	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	256	static mutex_t reqlock = X_MUTEX_INIT;
193	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	257	static cond_t reqwait = X_COND_INIT;
194		258
195	#if WORDACCESS_UNSAFE	259	#if WORDACCESS_UNSAFE
196		260
197	static unsigned int get_nready ()	261	static unsigned int get_nready (void)
198	{	262	{
199	unsigned int retval;	263	unsigned int retval;
200		264
201	LOCK (reqlock);	265	X_LOCK (reqlock);
202	retval = nready;	266	retval = nready;
203	UNLOCK (reqlock);	267	X_UNLOCK (reqlock);
204		268
205	return retval;	269	return retval;
206	}	270	}
207		271
208	static unsigned int get_npending ()	272	static unsigned int get_npending (void)
209	{	273	{
210	unsigned int retval;	274	unsigned int retval;
211		275
212	LOCK (reslock);	276	X_LOCK (reslock);
213	retval = npending;	277	retval = npending;
214	UNLOCK (reslock);	278	X_UNLOCK (reslock);
215		279
216	return retval;	280	return retval;
217	}	281	}
218		282
219	static unsigned int get_nthreads ()	283	static unsigned int get_nthreads (void)
220	{	284	{
221	unsigned int retval;	285	unsigned int retval;
222		286
223	LOCK (wrklock);	287	X_LOCK (wrklock);
224	retval = started;	288	retval = started;
225	UNLOCK (wrklock);	289	X_UNLOCK (wrklock);
226		290
227	return retval;	291	return retval;
228	}	292	}
229		293
230	#else	294	#else
…		…
239	* a somewhat faster data structure might be nice, but	303	* a somewhat faster data structure might be nice, but
240	* with 8 priorities this actually needs <20 insns	304	* with 8 priorities this actually needs <20 insns
241	* per shift, the most expensive operation.	305	* per shift, the most expensive operation.
242	*/	306	*/
243	typedef struct {	307	typedef struct {
244	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	308	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
245	int size;	309	int size;
246	} reqq;	310	} reqq;
247		311
248	static reqq req_queue;	312	static reqq req_queue;
249	static reqq res_queue;	313	static reqq res_queue;
250		314
251	int reqq_push (reqq *q, aio_req req)	315	int reqq_push (reqq *q, bdb_req req)
252	{	316	{
253	int pri = req->pri;	317	int pri = req->pri;
254	req->next = 0;	318	req->next = 0;
255		319
256	if (q->qe[pri])	320	if (q->qe[pri])
…		…
262	q->qe[pri] = q->qs[pri] = req;	326	q->qe[pri] = q->qs[pri] = req;
263		327
264	return q->size++;	328	return q->size++;
265	}	329	}
266		330
267	aio_req reqq_shift (reqq *q)	331	bdb_req reqq_shift (reqq *q)
268	{	332	{
269	int pri;	333	int pri;
270		334
271	if (!q->size)	335	if (!q->size)
272	return 0;	336	return 0;
273		337
274	--q->size;	338	--q->size;
275		339
276	for (pri = NUM_PRI; pri--; )	340	for (pri = NUM_PRI; pri--; )
277	{	341	{
278	aio_req req = q->qs[pri];	342	bdb_req req = q->qs[pri];
279		343
280	if (req)	344	if (req)
281	{	345	{
282	if (!(q->qs[pri] = req->next))	346	if (!(q->qs[pri] = req->next))
283	q->qe[pri] = 0;	347	q->qe[pri] = 0;
…		…
287	}	351	}
288		352
289	abort ();	353	abort ();
290	}	354	}
291		355
292	static int poll_cb ();	356	static int poll_cb (void);
293	static void req_free (aio_req req);	357	static void req_free (bdb_req req);
294	static void req_cancel (aio_req req);	358	static void req_cancel (bdb_req req);
295		359
296	static int req_invoke (aio_req req)	360	static int req_invoke (bdb_req req)
297	{	361	{
298	dSP;	362	switch (req->type)
299
300	if (SvOK (req->callback))
301	{	363	{
		364	case REQ_DB_CLOSE:
		365	SvREFCNT_dec (req->sv1);
		366	break;
		367
		368	case REQ_DB_GET:
		369	case REQ_DB_PGET:
		370	case REQ_C_GET:
		371	case REQ_C_PGET:
		372	case REQ_DB_PUT:
		373	case REQ_C_PUT:
		374	dbt_to_sv (req->sv1, &req->dbt1);
		375	dbt_to_sv (req->sv2, &req->dbt2);
		376	dbt_to_sv (req->sv3, &req->dbt3);
		377	break;
		378
		379	case REQ_DB_KEY_RANGE:
		380	{
		381	AV *av = newAV ();
		382
		383	av_push (av, newSVnv (req->key_range.less));
		384	av_push (av, newSVnv (req->key_range.equal));
		385	av_push (av, newSVnv (req->key_range.greater));
		386
		387	SvREADONLY_off (req->sv1);
		388	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		389	SvREFCNT_dec (req->sv1);
		390	}
		391	break;
		392
		393	#if DB_VERSION_MINOR >= 3
		394	case REQ_SEQ_GET:
		395	SvREADONLY_off (req->sv1);
		396
		397	if (sizeof (IV) > 4)
		398	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		399	else
		400	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		401
		402	SvREFCNT_dec (req->sv1);
		403	break;
		404	#endif
		405	}
		406
		407	errno = req->result;
		408
		409	if (req->callback)
		410	{
		411	dSP;
		412
302	ENTER;	413	ENTER;
303	SAVETMPS;	414	SAVETMPS;
304	PUSHMARK (SP);	415	PUSHMARK (SP);
305		416
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;	417	PUTBACK;
353	call_sv (req->callback, G_VOID | G_EVAL);	418	call_sv (req->callback, G_VOID | G_EVAL);
354	SPAGAIN;	419	SPAGAIN;
355		420
356	FREETMPS;	421	FREETMPS;
357	LEAVE;	422	LEAVE;
		423
		424	return !SvTRUE (ERRSV);
358	}	425	}
359		426
360	return !SvTRUE (ERRSV);	427	return 1;
361	}	428	}
362		429
363	static void req_free (aio_req req)	430	static void req_free (bdb_req req)
364	{	431	{
		432	SvREFCNT_dec (req->callback);
		433
		434	SvREFCNT_dec (req->rsv1);
		435	SvREFCNT_dec (req->rsv2);
		436
365	free (req->buf1);	437	free (req->buf1);
366	free (req->buf2);	438	free (req->buf2);
		439	free (req->buf3);
		440
367	Safefree (req);	441	Safefree (req);
368	}	442	}
369		443
370	static void *aio_proc (void *arg);	444	#ifdef USE_SOCKETS_AS_HANDLES
		445	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		446	#else
		447	# define TO_SOCKET(x) (x)
		448	#endif
		449
		450	static void
		451	create_respipe (void)
		452	{
		453	#ifdef _WIN32
		454	int arg; /* argg */
		455	#endif
		456	int old_readfd = respipe [0];
		457
		458	if (respipe [1] >= 0)
		459	respipe_close (TO_SOCKET (respipe [1]));
		460
		461	#ifdef _WIN32
		462	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		463	#else
		464	if (pipe (respipe))
		465	#endif
		466	croak ("unable to initialize result pipe");
		467
		468	if (old_readfd >= 0)
		469	{
		470	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		471	croak ("unable to initialize result pipe(2)");
		472
		473	respipe_close (respipe [0]);
		474	respipe [0] = old_readfd;
		475	}
		476
		477	#ifdef _WIN32
		478	arg = 1;
		479	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		480	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		481	#else
		482	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		483	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		484	#endif
		485	croak ("unable to initialize result pipe(3)");
		486
		487	respipe_osf [0] = TO_SOCKET (respipe [0]);
		488	respipe_osf [1] = TO_SOCKET (respipe [1]);
		489	}
		490
		491	static void bdb_request (bdb_req req);
		492	X_THREAD_PROC (bdb_proc);
371		493
372	static void start_thread (void)	494	static void start_thread (void)
373	{	495	{
374	sigset_t fullsigset, oldsigset;
375	pthread_attr_t attr;
376
377	worker *wrk = calloc (1, sizeof (worker));	496	worker *wrk = calloc (1, sizeof (worker));
378		497
379	if (!wrk)	498	if (!wrk)
380	croak ("unable to allocate worker thread data");	499	croak ("unable to allocate worker thread data");
381		500
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);	501	X_LOCK (wrklock);
391	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	502	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394	{	503	{
395	wrk->prev = &wrk_first;	504	wrk->prev = &wrk_first;
396	wrk->next = wrk_first.next;	505	wrk->next = wrk_first.next;
397	wrk_first.next->prev = wrk;	506	wrk_first.next->prev = wrk;
398	wrk_first.next = wrk;	507	wrk_first.next = wrk;
399	++started;	508	++started;
400	}	509	}
401	else	510	else
402	free (wrk);	511	free (wrk);
403		512
404	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405	UNLOCK (wrklock);	513	X_UNLOCK (wrklock);
406	}	514	}
407		515
408	static void maybe_start_thread ()	516	static void maybe_start_thread (void)
409	{	517	{
410	if (get_nthreads () >= wanted)	518	if (get_nthreads () >= wanted)
411	return;	519	return;
412		520
413	/* todo: maybe use idle here, but might be less exact */	521	/* todo: maybe use idle here, but might be less exact */
…		…
415	return;	523	return;
416		524
417	start_thread ();	525	start_thread ();
418	}	526	}
419		527
420	static void req_send (aio_req req)	528	static void req_send (bdb_req req)
421	{	529	{
422	SV *wait_callback = 0;	530	SV *wait_callback = 0;
423		531
424	// synthesize callback if none given	532	if (on_next_submit)
425	if (!SvOK (req->callback))
426	{	533	{
427	dSP;	534	dSP;
		535	SV *cb = sv_2mortal (on_next_submit);
		536
		537	on_next_submit = 0;
		538
428	PUSHMARK (SP);	539	PUSHMARK (SP);
429	PUTBACK;	540	PUTBACK;
430	int count = call_sv (prepare_cb, G_ARRAY);	541	call_sv (cb, G_DISCARD | G_EVAL);
431	SPAGAIN;	542	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	}	543	}
440		544
		545	// synthesize callback if none given
		546	if (!req->callback)
		547	{
		548	if (SvOK (prepare_cb))
		549	{
		550	int count;
		551
		552	dSP;
		553	PUSHMARK (SP);
		554	PUTBACK;
		555	count = call_sv (prepare_cb, G_ARRAY);
		556	SPAGAIN;
		557
		558	if (count != 2)
		559	croak ("sync prepare callback must return exactly two values\n");
		560
		561	wait_callback = POPs;
		562	req->callback = SvREFCNT_inc (POPs);
		563	}
		564	else
		565	{
		566	// execute request synchronously
		567	bdb_request (req);
		568	req_invoke (req);
		569	req_free (req);
		570	return;
		571	}
		572	}
		573
441	++nreqs;	574	++nreqs;
442		575
443	LOCK (reqlock);	576	X_LOCK (reqlock);
444	++nready;	577	++nready;
445	reqq_push (&req_queue, req);	578	reqq_push (&req_queue, req);
446	pthread_cond_signal (&reqwait);	579	X_COND_SIGNAL (reqwait);
447	UNLOCK (reqlock);	580	X_UNLOCK (reqlock);
448		581
449	maybe_start_thread ();	582	maybe_start_thread ();
450		583
451	if (wait_callback)	584	if (wait_callback)
452	{	585	{
453	dSP;	586	dSP;
454	PUSHMARK (SP);	587	PUSHMARK (SP);
455	PUTBACK;	588	PUTBACK;
456	call_sv (wait_callback, G_DISCARD);	589	call_sv (wait_callback, G_DISCARD);
457	SvREFCNT_dec (wait_callback);
458	}	590	}
459	}	591	}
460		592
461	static void end_thread (void)	593	static void end_thread (void)
462	{	594	{
463	aio_req req;	595	bdb_req req = calloc (1, sizeof (bdb_cb));
464
465	Newz (0, req, 1, aio_cb);
466		596
467	req->type = REQ_QUIT;	597	req->type = REQ_QUIT;
468	req->pri = PRI_MAX + PRI_BIAS;	598	req->pri = PRI_MAX + PRI_BIAS;
469		599
470	LOCK (reqlock);	600	X_LOCK (reqlock);
471	reqq_push (&req_queue, req);	601	reqq_push (&req_queue, req);
472	pthread_cond_signal (&reqwait);	602	X_COND_SIGNAL (reqwait);
473	UNLOCK (reqlock);	603	X_UNLOCK (reqlock);
474		604
475	LOCK (wrklock);	605	X_LOCK (wrklock);
476	--started;	606	--started;
477	UNLOCK (wrklock);	607	X_UNLOCK (wrklock);
478	}	608	}
479		609
480	static void set_max_idle (int nthreads)	610	static void set_max_idle (int nthreads)
481	{	611	{
482	if (WORDACCESS_UNSAFE) LOCK (reqlock);	612	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483	max_idle = nthreads <= 0 ? 1 : nthreads;	613	max_idle = nthreads <= 0 ? 1 : nthreads;
484	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	614	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485	}	615	}
486		616
487	static void min_parallel (int nthreads)	617	static void min_parallel (int nthreads)
488	{	618	{
489	if (wanted < nthreads)	619	if (wanted < nthreads)
…		…
497		627
498	while (started > wanted)	628	while (started > wanted)
499	end_thread ();	629	end_thread ();
500	}	630	}
501		631
502	static void poll_wait ()	632	static void poll_wait (void)
503	{	633	{
504	fd_set rfd;	634	fd_set rfd;
505		635
506	while (nreqs)	636	while (nreqs)
507	{	637	{
508	int size;	638	int size;
509	if (WORDACCESS_UNSAFE) LOCK (reslock);	639	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510	size = res_queue.size;	640	size = res_queue.size;
511	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	641	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512		642
513	if (size)	643	if (size)
514	return;	644	return;
515		645
516	maybe_start_thread ();	646	maybe_start_thread ();
517		647
518	FD_ZERO(&rfd);	648	FD_ZERO (&rfd);
519	FD_SET(respipe [0], &rfd);	649	FD_SET (respipe [0], &rfd);
520		650
521	select (respipe [0] + 1, &rfd, 0, 0, 0);	651	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522	}	652	}
523	}	653	}
524		654
525	static int poll_cb ()	655	static int poll_cb (void)
526	{	656	{
527	dSP;	657	dSP;
528	int count = 0;	658	int count = 0;
529	int maxreqs = max_poll_reqs;	659	int maxreqs = max_poll_reqs;
530	int do_croak = 0;	660	int do_croak = 0;
531	struct timeval tv_start, tv_now;	661	struct timeval tv_start, tv_now;
532	aio_req req;	662	bdb_req req;
533		663
534	if (max_poll_time)	664	if (max_poll_time)
535	gettimeofday (&tv_start, 0);	665	gettimeofday (&tv_start, 0);
536		666
537	for (;;)	667	for (;;)
538	{	668	{
539	for (;;)	669	for (;;)
540	{	670	{
541	maybe_start_thread ();	671	maybe_start_thread ();
542		672
543	LOCK (reslock);	673	X_LOCK (reslock);
544	req = reqq_shift (&res_queue);	674	req = reqq_shift (&res_queue);
545		675
546	if (req)	676	if (req)
547	{	677	{
548	--npending;	678	--npending;
549		679
550	if (!res_queue.size)	680	if (!res_queue.size)
551	{	681	{
552	/* read any signals sent by the worker threads */	682	/* read any signals sent by the worker threads */
553	char buf [4];	683	char buf [4];
554	while (read (respipe [0], buf, 4) == 4)	684	while (respipe_read (respipe [0], buf, 4) == 4)
555	;	685	;
556	}	686	}
557	}	687	}
558		688
559	UNLOCK (reslock);	689	X_UNLOCK (reslock);
560		690
561	if (!req)	691	if (!req)
562	break;	692	break;
563		693
564	--nreqs;	694	--nreqs;
…		…
594	}	724	}
595		725
596	return count;	726	return count;
597	}	727	}
598		728
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	/*****************************************************************************/	729	/*****************************************************************************/
612		730
613	static void *aio_proc (void *thr_arg)	731	static void
		732	bdb_request (bdb_req req)
614	{	733	{
		734	switch (req->type)
		735	{
		736	case REQ_ENV_OPEN:
		737	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		738	break;
		739
		740	case REQ_ENV_CLOSE:
		741	req->result = req->env->close (req->env, req->uint1);
		742	break;
		743
		744	case REQ_ENV_TXN_CHECKPOINT:
		745	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		746	break;
		747
		748	case REQ_ENV_LOCK_DETECT:
		749	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		750	break;
		751
		752	case REQ_ENV_MEMP_SYNC:
		753	req->result = req->env->memp_sync (req->env, 0);
		754	break;
		755
		756	case REQ_ENV_MEMP_TRICKLE:
		757	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		758	break;
		759
		760	case REQ_ENV_DBREMOVE:
		761	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		762	break;
		763
		764	case REQ_ENV_DBRENAME:
		765	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		766	break;
		767
		768	case REQ_DB_OPEN:
		769	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		770	break;
		771
		772	case REQ_DB_CLOSE:
		773	req->result = req->db->close (req->db, req->uint1);
		774	break;
		775
		776	#if DB_VERSION_MINOR >= 4
		777	case REQ_DB_COMPACT:
		778	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		779	break;
		780	#endif
		781
		782	case REQ_DB_SYNC:
		783	req->result = req->db->sync (req->db, req->uint1);
		784	break;
		785
		786	case REQ_DB_UPGRADE:
		787	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		788	break;
		789
		790	case REQ_DB_PUT:
		791	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		792	break;
		793
		794	#if DB_VERSION_MINOR >= 6
		795	case REQ_DB_EXISTS:
		796	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		797	break;
		798	#endif
		799	case REQ_DB_GET:
		800	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		801	break;
		802
		803	case REQ_DB_PGET:
		804	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		805	break;
		806
		807	case REQ_DB_DEL:
		808	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		809	break;
		810
		811	case REQ_DB_KEY_RANGE:
		812	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		813	break;
		814
		815	case REQ_TXN_COMMIT:
		816	req->result = req->txn->commit (req->txn, req->uint1);
		817	break;
		818
		819	case REQ_TXN_ABORT:
		820	req->result = req->txn->abort (req->txn);
		821	break;
		822
		823	case REQ_TXN_FINISH:
		824	if (req->txn->flags & TXN_DEADLOCK)
		825	{
		826	req->result = req->txn->abort (req->txn);
		827	if (!req->result)
		828	req->result = DB_LOCK_DEADLOCK;
		829	}
		830	else
		831	req->result = req->txn->commit (req->txn, req->uint1);
		832	break;
		833
		834	case REQ_C_CLOSE:
		835	req->result = req->dbc->c_close (req->dbc);
		836	break;
		837
		838	case REQ_C_COUNT:
		839	{
		840	db_recno_t recno;
		841	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		842	req->uv1 = recno;
		843	}
		844	break;
		845
		846	case REQ_C_PUT:
		847	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		848	break;
		849
		850	case REQ_C_GET:
		851	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		852	break;
		853
		854	case REQ_C_PGET:
		855	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		856	break;
		857
		858	case REQ_C_DEL:
		859	req->result = req->dbc->c_del (req->dbc, req->uint1);
		860	break;
		861
		862	#if DB_VERSION_MINOR >= 3
		863	case REQ_SEQ_OPEN:
		864	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		865	break;
		866
		867	case REQ_SEQ_CLOSE:
		868	req->result = req->seq->close (req->seq, req->uint1);
		869	break;
		870
		871	case REQ_SEQ_GET:
		872	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		873	break;
		874
		875	case REQ_SEQ_REMOVE:
		876	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		877	break;
		878	#endif
		879
		880	default:
		881	req->result = ENOSYS;
		882	break;
		883	}
		884
		885	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		886	req->txn->flags |= TXN_DEADLOCK;
		887	}
		888
		889	X_THREAD_PROC (bdb_proc)
		890	{
615	aio_req req;	891	bdb_req req;
616	struct timespec ts;	892	struct timespec ts;
617	worker *self = (worker *)thr_arg;	893	worker *self = (worker *)thr_arg;
618		894
619	/* try to distribute timeouts somewhat evenly */	895	/* try to distribute timeouts somewhat evenly */
620	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	896	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621	* (1000000000UL / 1024UL);
622		897
623	for (;;)	898	for (;;)
624	{	899	{
625	ts.tv_sec = time (0) + IDLE_TIMEOUT;	900	ts.tv_sec = time (0) + IDLE_TIMEOUT;
626		901
627	LOCK (reqlock);	902	X_LOCK (reqlock);
628		903
629	for (;;)	904	for (;;)
630	{	905	{
631	self->req = req = reqq_shift (&req_queue);	906	self->req = req = reqq_shift (&req_queue);
632		907
633	if (req)	908	if (req)
634	break;	909	break;
635		910
636	++idle;	911	++idle;
637		912
638	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	913	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639	== ETIMEDOUT)	914	== ETIMEDOUT)
640	{	915	{
641	if (idle > max_idle)	916	if (idle > max_idle)
642	{	917	{
643	--idle;	918	--idle;
644	UNLOCK (reqlock);	919	X_UNLOCK (reqlock);
645	LOCK (wrklock);	920	X_LOCK (wrklock);
646	--started;	921	--started;
647	UNLOCK (wrklock);	922	X_UNLOCK (wrklock);
648	goto quit;	923	goto quit;
649	}	924	}
650		925
651	/* we are allowed to idle, so do so without any timeout */	926	/* we are allowed to idle, so do so without any timeout */
652	pthread_cond_wait (&reqwait, &reqlock);	927	X_COND_WAIT (reqwait, reqlock);
653	ts.tv_sec = time (0) + IDLE_TIMEOUT;	928	ts.tv_sec = time (0) + IDLE_TIMEOUT;
654	}	929	}
655		930
656	--idle;	931	--idle;
657	}	932	}
658		933
659	--nready;	934	--nready;
660		935
661	UNLOCK (reqlock);	936	X_UNLOCK (reqlock);
662		937
663	switch (req->type)	938	if (req->type == REQ_QUIT)
664	{	939	{
665	case REQ_QUIT:	940	X_LOCK (reslock);
		941	free (req);
		942	self->req = 0;
		943	X_UNLOCK (reslock);
		944
666	goto quit;	945	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	}	946	}
784		947
		948	bdb_request (req);
		949
785	LOCK (reslock);	950	X_LOCK (reslock);
786		951
787	++npending;	952	++npending;
788		953
789	if (!reqq_push (&res_queue, req))	954	if (!reqq_push (&res_queue, req))
790	/* write a dummy byte to the pipe so fh becomes ready */	955	/* write a dummy byte to the pipe so fh becomes ready */
791	write (respipe [1], &respipe, 1);	956	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792		957
793	self->req = 0;	958	self->req = 0;
794	worker_clear (self);	959	worker_clear (self);
795		960
796	UNLOCK (reslock);	961	X_UNLOCK (reslock);
797	}	962	}
798		963
799	quit:	964	quit:
800	LOCK (wrklock);	965	X_LOCK (wrklock);
801	worker_free (self);	966	worker_free (self);
802	UNLOCK (wrklock);	967	X_UNLOCK (wrklock);
803		968
804	return 0;	969	return 0;
805	}	970	}
806		971
807	/*****************************************************************************/	972	/*****************************************************************************/
808		973
809	static void atfork_prepare (void)	974	static void atfork_prepare (void)
810	{	975	{
811	LOCK (wrklock);	976	X_LOCK (wrklock);
812	LOCK (reqlock);	977	X_LOCK (reqlock);
813	LOCK (reslock);	978	X_LOCK (reslock);
814	}	979	}
815		980
816	static void atfork_parent (void)	981	static void atfork_parent (void)
817	{	982	{
818	UNLOCK (reslock);	983	X_UNLOCK (reslock);
819	UNLOCK (reqlock);	984	X_UNLOCK (reqlock);
820	UNLOCK (wrklock);	985	X_UNLOCK (wrklock);
821	}	986	}
822		987
823	static void atfork_child (void)	988	static void atfork_child (void)
824	{	989	{
825	aio_req prv;	990	bdb_req prv;
826		991
827	while (prv = reqq_shift (&req_queue))	992	while (prv = reqq_shift (&req_queue))
828	req_free (prv);	993	req_free (prv);
829		994
830	while (prv = reqq_shift (&res_queue))	995	while (prv = reqq_shift (&res_queue))
…		…
845	idle = 0;	1010	idle = 0;
846	nreqs = 0;	1011	nreqs = 0;
847	nready = 0;	1012	nready = 0;
848	npending = 0;	1013	npending = 0;
849		1014
850	close (respipe [0]);
851	close (respipe [1]);
852	create_pipe ();	1015	create_respipe ();
853		1016
854	atfork_parent ();	1017	atfork_parent ();
855	}	1018	}
856		1019
857	#define dREQ(reqtype) \	1020	#define dREQ(reqtype,rsvcnt) \
858	aio_req req; \	1021	bdb_req req; \
859	int req_pri = next_pri; \	1022	int req_pri = next_pri; \
860	next_pri = DEFAULT_PRI + PRI_BIAS; \	1023	next_pri = DEFAULT_PRI + PRI_BIAS; \
861	\	1024	\
862	if (SvOK (callback) && !SvROK (callback)) \	1025	if (callback && SvOK (callback)) \
863	croak ("callback must be undef or of reference type"); \	1026	croak ("callback has illegal type or extra arguments"); \
864	\	1027	\
865	Newz (0, req, 1, aio_cb); \	1028	Newz (0, req, 1, bdb_cb); \
866	if (!req) \	1029	if (!req) \
867	croak ("out of memory during aio_req allocation"); \	1030	croak ("out of memory during bdb_req allocation"); \
868	\	1031	\
869	req->callback = newSVsv (callback); \	1032	req->callback = SvREFCNT_inc (cb); \
870	req->type = (reqtype); \	1033	req->type = (reqtype); \
871	req->pri = req_pri	1034	req->pri = req_pri; \
		1035	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1036	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1037	(void)0;
872		1038
873	#define REQ_SEND \	1039	#define REQ_SEND \
874	req_send (req)	1040	req_send (req)
875		1041
876	#define SvPTR(var, arg, type, class, nullok) \	1042	#define SvPTR(var, arg, type, class, nullok) \
877	if (!SvOK (arg)) \	1043	if (!SvOK (arg)) \
878	{ \	1044	{ \
879	if (!nullok) \	1045	if (nullok != 1) \
880	croak (# var " must be a " # class " object, not undef"); \	1046	croak (# var " must be a " # class " object, not undef"); \
881	\	1047	\
882	(var) = 0; \	1048	(var) = 0; \
883	} \	1049	} \
884	else if (sv_derived_from ((arg), # class)) \	1050	else if (sv_derived_from ((arg), # class)) \
885	{ \	1051	{ \
886	IV tmp = SvIV ((SV*) SvRV (arg)); \	1052	IV tmp = SvIV ((SV*) SvRV (arg)); \
887	(var) = INT2PTR (type, tmp); \	1053	(var) = INT2PTR (type, tmp); \
888	if (!var) \	1054	if (!var && nullok != 2) \
889	croak (# var " is not a valid " # class " object anymore"); \	1055	croak (# var " is not a valid " # class " object anymore"); \
890	} \	1056	} \
891	else \	1057	else \
892	croak (# var " is not of type " # class); \	1058	croak (# var " is not of type " # class);
893	\	1059
		1060	#define ARG_MUTABLE(name) \
		1061	if (SvREADONLY (name)) \
		1062	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
894		1063
895	static void	1064	static void
896	ptr_nuke (SV *sv)	1065	ptr_nuke (SV *sv)
897	{	1066	{
898	assert (SvROK (sv));	1067	assert (SvROK (sv));
899	sv_setiv (SvRV (sv), 0);	1068	sv_setiv (SvRV (sv), 0);
900	}	1069	}
		1070
		1071	static int
		1072	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1073	{
		1074	if (*mg->mg_ptr == '!') // should always be the case
		1075	if (-30999 <= errno && errno <= -30800)
		1076	{
		1077	sv_setnv (sv, (NV)errno);
		1078	sv_setpv (sv, db_strerror (errno));
		1079	SvNOK_on (sv); /* what a wonderful hack! */
		1080	// ^^^ copied from perl sources
		1081	return 0;
		1082	}
		1083
		1084	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1085	}
		1086
		1087	static MGVTBL vtbl_errno;
		1088
		1089	// this wonderful hack :( patches perl's $! variable to support our errno values
		1090	static void
		1091	patch_errno (void)
		1092	{
		1093	SV *sv;
		1094	MAGIC *mg;
		1095
		1096	if (!(sv = get_sv ("!", 1)))
		1097	return;
		1098
		1099	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1100	return;
		1101
		1102	if (mg->mg_virtual != &PL_vtbl_sv)
		1103	return;
		1104
		1105	vtbl_errno = PL_vtbl_sv;
		1106	vtbl_errno.svt_get = errno_get;
		1107	mg->mg_virtual = &vtbl_errno;
		1108	}
		1109
		1110	#if __GNUC__ >= 4
		1111	# define noinline __attribute__ ((noinline))
		1112	#else
		1113	# define noinline
		1114	#endif
		1115
		1116	static noinline SV *
		1117	pop_callback (I32 *ritems, SV *sv)
		1118	{
		1119	if (SvROK (sv))
		1120	{
		1121	HV *st;
		1122	GV *gvp;
		1123	CV *cv;
		1124	const char *name;
		1125
		1126	/* forgive me */
		1127	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1128	&& (st = SvSTASH (SvRV (sv)))
		1129	&& (name = HvNAME_get (st))
		1130	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1131	return 0;
		1132
		1133	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1134	{
		1135	--*ritems;
		1136	return (SV *)cv;
		1137	}
		1138	}
		1139
		1140	return 0;
		1141	}
		1142
		1143	/* stupid windoes defined CALLBACK as well */
		1144	#undef CALLBACK
		1145	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
901		1146
902	MODULE = BDB PACKAGE = BDB	1147	MODULE = BDB PACKAGE = BDB
903		1148
904	PROTOTYPES: ENABLE	1149	PROTOTYPES: ENABLE
905		1150
…		…
921	const_iv (INIT_TXN)	1166	const_iv (INIT_TXN)
922	const_iv (RECOVER)	1167	const_iv (RECOVER)
923	const_iv (INIT_TXN)	1168	const_iv (INIT_TXN)
924	const_iv (RECOVER_FATAL)	1169	const_iv (RECOVER_FATAL)
925	const_iv (CREATE)	1170	const_iv (CREATE)
		1171	const_iv (RDONLY)
926	const_iv (USE_ENVIRON)	1172	const_iv (USE_ENVIRON)
927	const_iv (USE_ENVIRON_ROOT)	1173	const_iv (USE_ENVIRON_ROOT)
928	const_iv (LOCKDOWN)	1174	const_iv (LOCKDOWN)
929	const_iv (PRIVATE)	1175	const_iv (PRIVATE)
930	const_iv (REGISTER)
931	const_iv (SYSTEM_MEM)	1176	const_iv (SYSTEM_MEM)
932	const_iv (AUTO_COMMIT)	1177	const_iv (AUTO_COMMIT)
933	const_iv (CDB_ALLDB)	1178	const_iv (CDB_ALLDB)
934	const_iv (DIRECT_DB)	1179	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)	1180	const_iv (NOLOCKING)
941	const_iv (MULTIVERSION)
942	const_iv (NOMMAP)	1181	const_iv (NOMMAP)
943	const_iv (NOPANIC)	1182	const_iv (NOPANIC)
944	const_iv (OVERWRITE)	1183	const_iv (OVERWRITE)
945	const_iv (PANIC_ENVIRONMENT)	1184	const_iv (PANIC_ENVIRONMENT)
946	const_iv (REGION_INIT)	1185	const_iv (REGION_INIT)
947	const_iv (TIME_NOTGRANTED)	1186	const_iv (TIME_NOTGRANTED)
948	const_iv (TXN_NOSYNC)	1187	const_iv (TXN_NOSYNC)
949	const_iv (TXN_SNAPSHOT)	1188	const_iv (TXN_NOT_DURABLE)
950	const_iv (TXN_WRITE_NOSYNC)	1189	const_iv (TXN_WRITE_NOSYNC)
951	const_iv (WRITECURSOR)	1190	const_iv (WRITECURSOR)
952	const_iv (YIELDCPU)	1191	const_iv (YIELDCPU)
953	const_iv (ENCRYPT_AES)	1192	const_iv (ENCRYPT_AES)
954	const_iv (XA_CREATE)	1193	const_iv (XA_CREATE)
…		…
956	const_iv (HASH)	1195	const_iv (HASH)
957	const_iv (QUEUE)	1196	const_iv (QUEUE)
958	const_iv (RECNO)	1197	const_iv (RECNO)
959	const_iv (UNKNOWN)	1198	const_iv (UNKNOWN)
960	const_iv (EXCL)	1199	const_iv (EXCL)
961	const_iv (READ_COMMITTED)
962	const_iv (READ_UNCOMMITTED)
963	const_iv (TRUNCATE)	1200	const_iv (TRUNCATE)
964	const_iv (NOSYNC)	1201	const_iv (NOSYNC)
965	const_iv (CHKSUM)	1202	const_iv (CHKSUM)
966	const_iv (ENCRYPT)	1203	const_iv (ENCRYPT)
967	const_iv (TXN_NOT_DURABLE)
968	const_iv (DUP)	1204	const_iv (DUP)
969	const_iv (DUPSORT)	1205	const_iv (DUPSORT)
970	const_iv (RECNUM)	1206	const_iv (RECNUM)
971	const_iv (RENUMBER)	1207	const_iv (RENUMBER)
972	const_iv (REVSPLITOFF)	1208	const_iv (REVSPLITOFF)
973	const_iv (INORDER)
974	const_iv (CONSUME)	1209	const_iv (CONSUME)
975	const_iv (CONSUME_WAIT)	1210	const_iv (CONSUME_WAIT)
976	const_iv (GET_BOTH)	1211	const_iv (GET_BOTH)
977	const_iv (GET_BOTH_RANGE)	1212	const_iv (GET_BOTH_RANGE)
978	//const_iv (SET_RECNO)	1213	//const_iv (SET_RECNO)
979	//const_iv (MULTIPLE)	1214	//const_iv (MULTIPLE)
980	const_iv (SNAPSHOT)	1215	const_iv (SNAPSHOT)
981	const_iv (JOIN_ITEM)	1216	const_iv (JOIN_ITEM)
		1217	const_iv (JOIN_NOSORT)
982	const_iv (RMW)	1218	const_iv (RMW)
983		1219
984	const_iv (NOTFOUND)	1220	const_iv (NOTFOUND)
985	const_iv (KEYEMPTY)	1221	const_iv (KEYEMPTY)
986	const_iv (LOCK_DEADLOCK)	1222	const_iv (LOCK_DEADLOCK)
987	const_iv (LOCK_NOTGRANTED)	1223	const_iv (LOCK_NOTGRANTED)
988	const_iv (RUNRECOVERY)	1224	const_iv (RUNRECOVERY)
989	const_iv (OLD_VERSION)	1225	const_iv (OLD_VERSION)
990	const_iv (REP_HANDLE_DEAD)	1226	const_iv (REP_HANDLE_DEAD)
991	const_iv (REP_LOCKOUT)
992	const_iv (SECONDARY_BAD)	1227	const_iv (SECONDARY_BAD)
993
994	const_iv (FREE_SPACE)
995	const_iv (FREELIST_ONLY)
996		1228
997	const_iv (APPEND)	1229	const_iv (APPEND)
998	const_iv (NODUPDATA)	1230	const_iv (NODUPDATA)
999	const_iv (NOOVERWRITE)	1231	const_iv (NOOVERWRITE)
1000		1232
1001	const_iv (TXN_NOWAIT)	1233	const_iv (TXN_NOWAIT)
1002	const_iv (TXN_SNAPSHOT)
1003	const_iv (TXN_SYNC)	1234	const_iv (TXN_SYNC)
1004		1235
1005	const_iv (SET_LOCK_TIMEOUT)	1236	const_iv (SET_LOCK_TIMEOUT)
1006	const_iv (SET_TXN_TIMEOUT)	1237	const_iv (SET_TXN_TIMEOUT)
1007		1238
1008	const_iv (JOIN_ITEM)
1009	const_iv (FIRST)	1239	const_iv (FIRST)
1010	const_iv (NEXT)	1240	const_iv (NEXT)
1011	const_iv (NEXT_DUP)	1241	const_iv (NEXT_DUP)
1012	const_iv (NEXT_NODUP)	1242	const_iv (NEXT_NODUP)
1013	const_iv (PREV)	1243	const_iv (PREV)
…		…
1025	const_iv (FORCE)	1255	const_iv (FORCE)
1026		1256
1027	const_iv (LOCK_DEFAULT)	1257	const_iv (LOCK_DEFAULT)
1028	const_iv (LOCK_EXPIRE)	1258	const_iv (LOCK_EXPIRE)
1029	const_iv (LOCK_MAXLOCKS)	1259	const_iv (LOCK_MAXLOCKS)
1030	const_iv (LOCK_MAXWRITE)
1031	const_iv (LOCK_MINLOCKS)	1260	const_iv (LOCK_MINLOCKS)
1032	const_iv (LOCK_MINWRITE)	1261	const_iv (LOCK_MINWRITE)
1033	const_iv (LOCK_OLDEST)	1262	const_iv (LOCK_OLDEST)
1034	const_iv (LOCK_RANDOM)	1263	const_iv (LOCK_RANDOM)
1035	const_iv (LOCK_YOUNGEST)	1264	const_iv (LOCK_YOUNGEST)
1036		1265
		1266	const_iv (DONOTINDEX)
		1267	const_iv (KEYEMPTY )
		1268	const_iv (KEYEXIST )
		1269	const_iv (LOCK_DEADLOCK)
		1270	const_iv (LOCK_NOTGRANTED)
		1271	const_iv (NOSERVER)
		1272	const_iv (NOSERVER_HOME)
		1273	const_iv (NOSERVER_ID)
		1274	const_iv (NOTFOUND)
		1275	const_iv (PAGE_NOTFOUND)
		1276	const_iv (REP_DUPMASTER)
		1277	const_iv (REP_HANDLE_DEAD)
		1278	const_iv (REP_HOLDELECTION)
		1279	const_iv (REP_ISPERM)
		1280	const_iv (REP_NEWMASTER)
		1281	const_iv (REP_NEWSITE)
		1282	const_iv (REP_NOTPERM)
		1283	const_iv (REP_UNAVAIL)
		1284	const_iv (RUNRECOVERY)
		1285	const_iv (SECONDARY_BAD)
		1286	const_iv (VERIFY_BAD)
		1287
		1288	const_iv (VERB_DEADLOCK)
		1289	const_iv (VERB_RECOVERY)
		1290	const_iv (VERB_REPLICATION)
		1291	const_iv (VERB_WAITSFOR)
		1292
		1293	const_iv (VERSION_MAJOR)
		1294	const_iv (VERSION_MINOR)
		1295	const_iv (VERSION_PATCH)
		1296	#if DB_VERSION_MINOR >= 3
		1297	const_iv (INORDER)
		1298	const_iv (LOCK_MAXWRITE)
1037	const_iv (SEQ_DEC)	1299	const_iv (SEQ_DEC)
1038	const_iv (SEQ_INC)	1300	const_iv (SEQ_INC)
1039	const_iv (SEQ_WRAP)	1301	const_iv (SEQ_WRAP)
		1302	const_iv (BUFFER_SMALL)
		1303	const_iv (LOG_BUFFER_FULL)
		1304	const_iv (VERSION_MISMATCH)
		1305	#endif
		1306	#if DB_VERSION_MINOR >= 4
		1307	const_iv (REGISTER)
		1308	const_iv (DSYNC_DB)
		1309	const_iv (READ_COMMITTED)
		1310	const_iv (READ_UNCOMMITTED)
		1311	const_iv (REP_IGNORE)
		1312	const_iv (REP_LOCKOUT)
		1313	const_iv (REP_JOIN_FAILURE)
		1314	const_iv (FREE_SPACE)
		1315	const_iv (FREELIST_ONLY)
		1316	const_iv (VERB_REGISTER)
		1317	#endif
		1318	#if DB_VERSION_MINOR >= 5
		1319	const_iv (MULTIVERSION)
		1320	const_iv (TXN_SNAPSHOT)
		1321	#endif
		1322	#if DB_VERSION_MINOR >= 6
		1323	const_iv (PREV_DUP)
		1324	const_iv (PRIORITY_UNCHANGED)
		1325	const_iv (PRIORITY_VERY_LOW)
		1326	const_iv (PRIORITY_LOW)
		1327	const_iv (PRIORITY_DEFAULT)
		1328	const_iv (PRIORITY_HIGH)
		1329	const_iv (PRIORITY_VERY_HIGH)
		1330	#endif
		1331	#if DB_VERSION_MINOR >= 7
		1332	const_iv (LOG_DIRECT)
		1333	const_iv (LOG_DSYNC)
		1334	const_iv (LOG_AUTO_REMOVE)
		1335	const_iv (LOG_IN_MEMORY)
		1336	const_iv (LOG_ZERO)
		1337	#else
		1338	const_iv (DIRECT_LOG)
		1339	const_iv (LOG_AUTOREMOVE)
		1340	# if DB_VERSION_MINOR >= 3
		1341	const_iv (DSYNC_LOG)
		1342	const_iv (LOG_INMEMORY)
		1343	# endif
		1344	#endif
1040	};	1345	};
1041		1346
1042	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1347	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1348	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044		1349
1045	create_pipe ();	1350	prepare_cb = &PL_sv_undef;
		1351
		1352	{
		1353	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1354	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1355
		1356	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1357	}
		1358
		1359	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1360
		1361	create_respipe ();
		1362
1046	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1363	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1364	patch_errno ();
1047	}	1365	}
1048		1366
1049	void	1367	void
1050	max_poll_reqs (int nreqs)	1368	max_poll_reqs (int nreqs)
1051	PROTOTYPE: $	1369	PROTOTYPE: $
…		…
1170		1488
1171	int	1489	int
1172	nthreads ()	1490	nthreads ()
1173	PROTOTYPE:	1491	PROTOTYPE:
1174	CODE:	1492	CODE:
1175	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1493	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176	RETVAL = started;	1494	RETVAL = started;
1177	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1495	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178	OUTPUT:	1496	OUTPUT:
1179	RETVAL	1497	RETVAL
1180		1498
1181	void	1499	SV *
1182	set_sync_prepare (SV *cb)	1500	set_sync_prepare (SV *cb)
1183	PROTOTYPE: &	1501	PROTOTYPE: &
1184	CODE:	1502	CODE:
1185	SvREFCNT_dec (prepare_cb);	1503	RETVAL = prepare_cb;
1186	prepare_cb = newSVsv (cb);	1504	prepare_cb = newSVsv (cb);
		1505	OUTPUT:
		1506	RETVAL
1187		1507
		1508	char *
		1509	strerror (int errorno = errno)
		1510	PROTOTYPE: ;$
		1511	CODE:
		1512	RETVAL = db_strerror (errorno);
		1513	OUTPUT:
		1514	RETVAL
		1515
		1516	void _on_next_submit (SV *cb)
		1517	CODE:
		1518	SvREFCNT_dec (on_next_submit);
		1519	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1188		1520
1189	DB_ENV *	1521	DB_ENV *
1190	db_env_create (U32 env_flags = 0)	1522	db_env_create (U32 env_flags = 0)
1191	CODE:	1523	CODE:
1192	{	1524	{
1193	errno = db_env_create (&RETVAL, env_flags);	1525	errno = db_env_create (&RETVAL, env_flags);
1194	if (errno)	1526	if (errno)
1195	croak ("db_env_create: %s", db_strerror (errno));	1527	croak ("db_env_create: %s", db_strerror (errno));
		1528
		1529	if (0)
		1530	{
		1531	RETVAL->set_errcall (RETVAL, debug_errcall);
		1532	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1533	}
1196	}	1534	}
1197	OUTPUT:	1535	OUTPUT:
1198	RETVAL	1536	RETVAL
1199		1537
1200	void	1538	void
1201	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1539	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1540	PREINIT:
		1541	CALLBACK
1202	CODE:	1542	CODE:
1203	{	1543	{
1204	env->set_thread_count (env, get_nthreads ());
1205
1206	dREQ (REQ_ENV_OPEN);	1544	dREQ (REQ_ENV_OPEN, 1);
1207	req->env = env;	1545	req->env = env;
1208	req->uint1 = open_flags | DB_THREAD;	1546	req->uint1 = open_flags | DB_THREAD;
1209	req->int1 = mode;	1547	req->int1 = mode;
1210	req->buf1 = strdup_ornull (db_home);	1548	req->buf1 = strdup_ornull (db_home);
1211	REQ_SEND;	1549	REQ_SEND;
1212	}	1550	}
1213		1551
1214	void	1552	void
1215	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1553	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1554	PREINIT:
		1555	CALLBACK
1216	CODE:	1556	CODE:
1217	{	1557	{
		1558	ptr_nuke (ST (0));
1218	dREQ (REQ_ENV_CLOSE);	1559	dREQ (REQ_ENV_CLOSE, 0);
1219	req->env = env;	1560	req->env = env;
1220	req->uint1 = flags;	1561	req->uint1 = flags;
1221	REQ_SEND;	1562	REQ_SEND;
1222	ptr_nuke (ST (0));
1223	}	1563	}
1224		1564
1225	void	1565	void
1226	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1566	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1567	PREINIT:
		1568	CALLBACK
1227	CODE:	1569	CODE:
1228	{	1570	{
1229	dREQ (REQ_ENV_TXN_CHECKPOINT);	1571	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1230	req->env = env;	1572	req->env = env;
1231	req->uint1 = kbyte;	1573	req->uint1 = kbyte;
1232	req->int1 = min;	1574	req->int1 = min;
1233	req->uint2 = flags;	1575	req->uint2 = flags;
1234	REQ_SEND;	1576	REQ_SEND;
1235	}	1577	}
1236		1578
1237	void	1579	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)	1580	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1581	PREINIT:
		1582	CALLBACK
1239	CODE:	1583	CODE:
1240	{	1584	{
1241	dREQ (REQ_ENV_LOCK_DETECT);	1585	dREQ (REQ_ENV_LOCK_DETECT, 1);
1242	req->env = env;	1586	req->env = env;
1243	req->uint1 = flags;	1587	req->uint1 = flags;
1244	req->uint2 = atype;	1588	req->uint2 = atype;
		1589	/* req->int2 = 0; dummy */
1245	REQ_SEND;	1590	REQ_SEND;
1246	}	1591	}
1247		1592
1248	void	1593	void
1249	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1594	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1595	PREINIT:
		1596	CALLBACK
1250	CODE:	1597	CODE:
1251	{	1598	{
1252	dREQ (REQ_ENV_MEMP_SYNC);	1599	dREQ (REQ_ENV_MEMP_SYNC, 1);
1253	req->env = env;	1600	req->env = env;
1254	REQ_SEND;	1601	REQ_SEND;
1255	}	1602	}
1256		1603
1257	void	1604	void
1258	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1605	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1606	PREINIT:
		1607	CALLBACK
1259	CODE:	1608	CODE:
1260	{	1609	{
1261	dREQ (REQ_ENV_MEMP_TRICKLE);	1610	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1262	req->env = env;	1611	req->env = env;
1263	req->int1 = percent;	1612	req->int1 = percent;
1264	REQ_SEND;	1613	REQ_SEND;
1265	}	1614	}
1266		1615
		1616	void
		1617	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1618	PREINIT:
		1619	CALLBACK
		1620	CODE:
		1621	{
		1622	dREQ (REQ_ENV_DBREMOVE, 2);
		1623	req->env = env;
		1624	req->buf1 = strdup_ornull (file);
		1625	req->buf2 = strdup_ornull (database);
		1626	req->uint1 = flags;
		1627	REQ_SEND;
		1628	}
		1629
		1630	void
		1631	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)
		1632	PREINIT:
		1633	CALLBACK
		1634	CODE:
		1635	{
		1636	dREQ (REQ_ENV_DBRENAME, 2);
		1637	req->env = env;
		1638	req->buf1 = strdup_ornull (file);
		1639	req->buf2 = strdup_ornull (database);
		1640	req->buf3 = strdup_ornull (newname);
		1641	req->uint1 = flags;
		1642	REQ_SEND;
		1643	}
1267		1644
1268	DB *	1645	DB *
1269	db_create (DB_ENV *env = 0, U32 flags = 0)	1646	db_create (DB_ENV *env = 0, U32 flags = 0)
1270	CODE:	1647	CODE:
1271	{	1648	{
…		…
1278	}	1655	}
1279	OUTPUT:	1656	OUTPUT:
1280	RETVAL	1657	RETVAL
1281		1658
1282	void	1659	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)	1660	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1661	PREINIT:
		1662	CALLBACK
1284	CODE:	1663	CODE:
1285	{	1664	{
1286	dREQ (REQ_DB_OPEN);	1665	dREQ (REQ_DB_OPEN, 2);
1287	req->db = db;	1666	req->db = db;
1288	req->txn = txnid;	1667	req->txn = txnid;
1289	req->buf1 = strdup_ornull (file);	1668	req->buf1 = strdup_ornull (file);
1290	req->buf2 = strdup_ornull (database);	1669	req->buf2 = strdup_ornull (database);
1291	req->int1 = type;	1670	req->int1 = type;
…		…
1293	req->int2 = mode;	1672	req->int2 = mode;
1294	REQ_SEND;	1673	REQ_SEND;
1295	}	1674	}
1296		1675
1297	void	1676	void
1298	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1677	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1678	PREINIT:
		1679	CALLBACK
1299	CODE:	1680	CODE:
1300	{	1681	{
		1682	ptr_nuke (ST (0));
1301	dREQ (REQ_DB_CLOSE);	1683	dREQ (REQ_DB_CLOSE, 0);
1302	req->db = db;	1684	req->db = db;
1303	req->uint1 = flags;	1685	req->uint1 = flags;
1304	req->sv1 = (SV *)db->app_private;	1686	req->sv1 = (SV *)db->app_private;
1305	REQ_SEND;	1687	REQ_SEND;
1306	ptr_nuke (ST (0));
1307	}	1688	}
1308		1689
		1690	#if DB_VERSION_MINOR >= 4
		1691
1309	void	1692	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)	1693	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)
		1694	PREINIT:
		1695	CALLBACK
1311	CODE:	1696	CODE:
1312	{	1697	{
1313	dREQ (REQ_DB_COMPACT);	1698	dREQ (REQ_DB_COMPACT, 2);
1314	req->db = db;	1699	req->db = db;
1315	req->txn = txn;	1700	req->txn = txn;
1316	sv_to_dbt (&req->dbt1, start);	1701	sv_to_dbt (&req->dbt1, start);
1317	sv_to_dbt (&req->dbt2, stop);	1702	sv_to_dbt (&req->dbt2, stop);
1318	req->uint1 = flags;	1703	req->uint1 = flags;
1319	REQ_SEND;	1704	REQ_SEND;
1320	}	1705	}
1321		1706
		1707	#endif
		1708
1322	void	1709	void
1323	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1710	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1711	PREINIT:
		1712	CALLBACK
1324	CODE:	1713	CODE:
1325	{	1714	{
1326	dREQ (REQ_DB_SYNC);	1715	dREQ (REQ_DB_SYNC, 1);
1327	req->db = db;	1716	req->db = db;
1328	req->uint1 = flags;	1717	req->uint1 = flags;
1329	REQ_SEND;	1718	REQ_SEND;
1330	}	1719	}
1331		1720
1332	void	1721	void
		1722	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1723	PREINIT:
		1724	CALLBACK
		1725	CODE:
		1726	{
		1727	dREQ (REQ_DB_SYNC, 1);
		1728	req->db = db;
		1729	req->buf1 = strdup (file);
		1730	req->uint1 = flags;
		1731	REQ_SEND;
		1732	}
		1733
		1734	void
1333	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1735	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *key_range, U32 flags = 0, SV *callback = 0)
		1736	PREINIT:
		1737	CALLBACK
1334	CODE:	1738	CODE:
1335	{	1739	{
1336	dREQ (REQ_DB_KEY_RANGE);	1740	dREQ (REQ_DB_KEY_RANGE, 2);
1337	req->db = db;	1741	req->db = db;
1338	req->txn = txn;	1742	req->txn = txn;
1339	sv_to_dbt (&req->dbt1, key);	1743	sv_to_dbt (&req->dbt1, key);
1340	req->uint1 = flags;	1744	req->uint1 = flags;
1341	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1745	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1342	REQ_SEND;	1746	REQ_SEND;
1343	}	1747	}
1344		1748
1345	void	1749	void
1346	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1750	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1751	PREINIT:
		1752	CALLBACK
1347	CODE:	1753	CODE:
1348	{	1754	{
1349	dREQ (REQ_DB_PUT);	1755	dREQ (REQ_DB_PUT, 2);
1350	req->db = db;	1756	req->db = db;
1351	req->txn = txn;	1757	req->txn = txn;
1352	sv_to_dbt (&req->dbt1, key);	1758	sv_to_dbt (&req->dbt1, key);
1353	sv_to_dbt (&req->dbt2, data);	1759	sv_to_dbt (&req->dbt2, data);
1354	req->uint1 = flags;	1760	req->uint1 = flags;
1355	REQ_SEND;	1761	REQ_SEND;
1356	}	1762	}
1357		1763
		1764	#if DB_VERSION_MINOR >= 6
		1765
1358	void	1766	void
		1767	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1768	PREINIT:
		1769	CALLBACK
		1770	CODE:
		1771	{
		1772	dREQ (REQ_DB_EXISTS, 2);
		1773	req->db = db;
		1774	req->txn = txn;
		1775	req->uint1 = flags;
		1776	sv_to_dbt (&req->dbt1, key);
		1777	REQ_SEND;
		1778	}
		1779
		1780	#endif
		1781
		1782	void
1359	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1783	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1784	PREINIT:
		1785	CALLBACK
1360	CODE:	1786	CODE:
1361	{	1787	{
		1788	//TODO: key is somtimesmutable
1362	dREQ (REQ_DB_GET);	1789	dREQ (REQ_DB_GET, 2);
1363	req->db = db;	1790	req->db = db;
1364	req->txn = txn;	1791	req->txn = txn;
1365	req->uint1 = flags;	1792	req->uint1 = flags;
1366	sv_to_dbt (&req->dbt1, key);	1793	sv_to_dbt (&req->dbt1, key);
1367	req->dbt3.flags = DB_DBT_MALLOC;	1794	req->dbt3.flags = DB_DBT_MALLOC;
1368	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1795	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1369	REQ_SEND;	1796	REQ_SEND;
1370	}	1797	}
1371		1798
1372	void	1799	void
1373	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1800	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1801	PREINIT:
		1802	CALLBACK
1374	CODE:	1803	CODE:
1375	{	1804	{
		1805	//TODO: key is somtimesmutable
1376	dREQ (REQ_DB_PGET);	1806	dREQ (REQ_DB_PGET, 2);
		1807	req->db = db;
		1808	req->txn = txn;
		1809	req->uint1 = flags;
		1810
		1811	sv_to_dbt (&req->dbt1, key);
		1812
		1813	req->dbt2.flags = DB_DBT_MALLOC;
		1814	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1815
		1816	req->dbt3.flags = DB_DBT_MALLOC;
		1817	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1818	REQ_SEND;
		1819	}
		1820
		1821	void
		1822	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1823	PREINIT:
		1824	CALLBACK
		1825	CODE:
		1826	{
		1827	dREQ (REQ_DB_DEL, 2);
1377	req->db = db;	1828	req->db = db;
1378	req->txn = txn;	1829	req->txn = txn;
1379	req->uint1 = flags;	1830	req->uint1 = flags;
1380	sv_to_dbt (&req->dbt1, key);	1831	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;	1832	REQ_SEND;
1385	}	1833	}
1386		1834
1387	void	1835	void
1388	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1836	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1837	PREINIT:
		1838	CALLBACK
1389	CODE:	1839	CODE:
1390	{	1840	{
1391	dREQ (REQ_DB_DEL);	1841	ptr_nuke (ST (0));
1392	req->db = db;	1842	dREQ (REQ_TXN_COMMIT, 0);
1393	req->txn = txn;	1843	req->txn = txn;
1394	req->uint1 = flags;	1844	req->uint1 = flags;
1395	sv_to_dbt (&req->dbt1, key);
1396	REQ_SEND;	1845	REQ_SEND;
1397	}	1846	}
1398		1847
1399	void	1848	void
1400	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1849	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1850	PREINIT:
		1851	CALLBACK
1401	CODE:	1852	CODE:
1402	{	1853	{
		1854	ptr_nuke (ST (0));
1403	dREQ (REQ_TXN_COMMIT);	1855	dREQ (REQ_TXN_ABORT, 0);
		1856	req->txn = txn;
		1857	REQ_SEND;
		1858	}
		1859
		1860	void
		1861	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1862	PREINIT:
		1863	CALLBACK
		1864	CODE:
		1865	{
		1866	ptr_nuke (ST (0));
		1867	dREQ (REQ_TXN_FINISH, 0);
1404	req->txn = txn;	1868	req->txn = txn;
1405	req->uint1 = flags;	1869	req->uint1 = flags;
1406	REQ_SEND;	1870	REQ_SEND;
		1871	}
		1872
		1873	void
		1874	db_c_close (DBC *dbc, SV *callback = 0)
		1875	PREINIT:
		1876	CALLBACK
		1877	CODE:
		1878	{
1407	ptr_nuke (ST (0));	1879	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);	1880	dREQ (REQ_C_CLOSE, 0);
1425	req->dbc = dbc;	1881	req->dbc = dbc;
1426	REQ_SEND;	1882	REQ_SEND;
1427	ptr_nuke (ST (0));
1428	}	1883	}
1429		1884
1430	void	1885	void
1431	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1886	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1887	PREINIT:
		1888	CALLBACK
1432	CODE:	1889	CODE:
1433	{	1890	{
1434	dREQ (REQ_C_COUNT);	1891	dREQ (REQ_C_COUNT, 1);
1435	req->dbc = dbc;	1892	req->dbc = dbc;
1436	req->sv1 = SvREFCNT_inc (count);	1893	req->sv1 = SvREFCNT_inc (count);
1437	REQ_SEND;	1894	REQ_SEND;
1438	}	1895	}
1439		1896
1440	void	1897	void
1441	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1898	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1899	PREINIT:
		1900	CALLBACK
1442	CODE:	1901	CODE:
1443	{	1902	{
1444	dREQ (REQ_C_PUT);	1903	dREQ (REQ_C_PUT, 1);
1445	req->dbc = dbc;	1904	req->dbc = dbc;
1446	sv_to_dbt (&req->dbt1, key);	1905	sv_to_dbt (&req->dbt1, key);
1447	sv_to_dbt (&req->dbt2, data);	1906	sv_to_dbt (&req->dbt2, data);
1448	req->uint1 = flags;	1907	req->uint1 = flags;
1449	REQ_SEND;	1908	REQ_SEND;
1450	}	1909	}
1451		1910
1452	void	1911	void
1453	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1912	db_c_get (DBC *dbc, SV *key, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1913	PREINIT:
		1914	CALLBACK
1454	CODE:	1915	CODE:
1455	{	1916	{
		1917	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1918	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1919
1456	dREQ (REQ_C_GET);	1920	dREQ (REQ_C_GET, 1);
1457	req->dbc = dbc;	1921	req->dbc = dbc;
1458	req->uint1 = flags;	1922	req->uint1 = flags;
1459	if ((flags & DB_SET) == DB_SET	1923	if (flags & DB_OPFLAGS_MASK == DB_SET)
1460	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1461	sv_to_dbt (&req->dbt1, key);	1924	sv_to_dbt (&req->dbt1, key);
1462	else	1925	else
		1926	{
		1927	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1928	sv_to_dbt (&req->dbt1, key);
		1929	else
1463	req->dbt1.flags = DB_DBT_MALLOC;	1930	req->dbt1.flags = DB_DBT_MALLOC;
1464		1931
1465	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	1932	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1933	}
1466		1934
1467	if ((flags & DB_GET_BOTH) == DB_GET_BOTH	1935	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1468	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)	1936	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1469	sv_to_dbt (&req->dbt3, data);	1937	sv_to_dbt (&req->dbt3, data);
1470	else	1938	else
1471	req->dbt3.flags = DB_DBT_MALLOC;	1939	req->dbt3.flags = DB_DBT_MALLOC;
1472		1940
1473	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1941	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1474	REQ_SEND;	1942	REQ_SEND;
1475	}	1943	}
1476		1944
1477	void	1945	void
1478	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1946	db_c_pget (DBC *dbc, SV *key, SV_mutable *pkey, SV_mutable *data, U32 flags = 0, SV *callback = 0)
		1947	PREINIT:
		1948	CALLBACK
1479	CODE:	1949	CODE:
1480	{	1950	{
		1951	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1952	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1953
1481	dREQ (REQ_C_PGET);	1954	dREQ (REQ_C_PGET, 1);
1482	req->dbc = dbc;	1955	req->dbc = dbc;
1483	req->uint1 = flags;	1956	req->uint1 = flags;
1484	if ((flags & DB_SET) == DB_SET	1957	if (flags & DB_OPFLAGS_MASK == DB_SET)
1485	|| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1486	sv_to_dbt (&req->dbt1, key);	1958	sv_to_dbt (&req->dbt1, key);
1487	else	1959	else
		1960	{
		1961	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1962	sv_to_dbt (&req->dbt1, key);
		1963	else
1488	req->dbt1.flags = DB_DBT_MALLOC;	1964	req->dbt1.flags = DB_DBT_MALLOC;
1489		1965
1490	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	1966	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1967	}
1491		1968
1492	req->dbt2.flags = DB_DBT_MALLOC;	1969	req->dbt2.flags = DB_DBT_MALLOC;
1493	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);	1970	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1494		1971
1495	if ((flags & DB_GET_BOTH) == DB_GET_BOTH	1972	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1496	|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)	1973	|| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1497	sv_to_dbt (&req->dbt3, data);	1974	sv_to_dbt (&req->dbt3, data);
1498	else	1975	else
1499	req->dbt3.flags = DB_DBT_MALLOC;	1976	req->dbt3.flags = DB_DBT_MALLOC;
1500		1977
1501	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1978	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1502	REQ_SEND;	1979	REQ_SEND;
1503	}	1980	}
1504		1981
1505	void	1982	void
1506	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1983	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1984	PREINIT:
		1985	CALLBACK
1507	CODE:	1986	CODE:
1508	{	1987	{
1509	dREQ (REQ_C_DEL);	1988	dREQ (REQ_C_DEL, 1);
1510	req->dbc = dbc;	1989	req->dbc = dbc;
1511	req->uint1 = flags;	1990	req->uint1 = flags;
1512	REQ_SEND;	1991	REQ_SEND;
1513	}	1992	}
1514		1993
1515		1994
		1995	#if DB_VERSION_MINOR >= 3
		1996
1516	void	1997	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	{
		2017	ptr_nuke (ST (0));
1532	dREQ (REQ_SEQ_CLOSE);	2018	dREQ (REQ_SEQ_CLOSE, 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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