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

Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.56 by root, Mon Sep 29 02:59:08 2008 UTC

…		…
1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
29		33
30	#if DB_VERSION_MAJOR < 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5)	34	#if DB_VERSION_MAJOR != 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
31	# error you need Berkeley DB 4.5 or newer installed	35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
32	#endif	36	#endif
33		37
34	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
35	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
36		40
37	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
38	* this is conservatice, likely most arches this runs
39	* on have atomic word read/writes.
40	*/
41	#ifndef WORDACCESS_UNSAFE
42	# if __i386 \|\| __x86_64
43	# define WORDACCESS_UNSAFE 0
44	# else
45	# define WORDACCESS_UNSAFE 1
46	# endif
47	#endif
48		42
49	typedef DB_ENV DB_ENV_ornull;	43	typedef DB_ENV DB_ENV_ornull;
50	typedef DB_TXN DB_TXN_ornull;	44	typedef DB_TXN DB_TXN_ornull;
51	typedef DBC DBC_ornull;	45	typedef DBC DBC_ornull;
52	typedef DB DB_ornull;	46	typedef DB DB_ornull;
		47
		48	typedef DB_ENV DB_ENV_ornuked;
		49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
53	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		56	#endif
54		57
55	typedef SV SV8; /* byte-sv, used for argument-checking */	58	typedef SV SV8; /* byte-sv, used for argument-checking */
56	typedef char *octetstring;	59	typedef char *bdb_filename;
57		60
58	static SV *prepare_cb;	61	static SV *prepare_cb;
59		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
60	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 *
61	strdup_ornull (const char *s)	116	strdup_ornull (const char *s)
62	{	117	{
63	return s ? strdup (s) : 0;	118	return s ? strdup (s) : 0;
64	}	119	}
65		120
66	static inline void	121	static void
67	sv_to_dbt (DBT dbt, SV sv)	122	sv_to_dbt (DBT dbt, SV sv)
68	{	123	{
69	STRLEN len;	124	STRLEN len;
70	char *data = SvPVbyte (sv, len);	125	char *data = SvPVbyte (sv, len);
71		126
73	memcpy (dbt->data, data, len);	128	memcpy (dbt->data, data, len);
74	dbt->size = len;	129	dbt->size = len;
75	dbt->flags = DB_DBT_REALLOC;	130	dbt->flags = DB_DBT_REALLOC;
76	}	131	}
77		132
78	static inline void	133	static void
79	dbt_to_sv (SV sv, DBT dbt)	134	dbt_to_sv (SV sv, DBT dbt)
80	{	135	{
81	if (sv)	136	if (sv)
82	{	137	{
83	SvREADONLY_off (sv);	138	SvREADONLY_off (sv);
		139
		140	if (dbt->data)
84	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
85	SvREFCNT_dec (sv);	145	SvREFCNT_dec (sv);
86	}	146	}
87		147
88	free (dbt->data);	148	free (dbt->data);
89	}	149	}
90		150
91	enum {	151	enum {
92	REQ_QUIT,	152	REQ_QUIT,
93	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,
94	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	154	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
95	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
96	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97	REQ_TXN_COMMIT, REQ_TXN_ABORT,	157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
98	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	158	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
99	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100	};	160	};
101		161
102	typedef struct aio_cb	162	typedef struct bdb_cb
103	{	163	{
104	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
105	SV *callback;	165	SV *callback;
106	int type, pri, result;	166	int type, pri, result;
107		167
108	DB_ENV *env;	168	DB_ENV *env;
109	DB *db;	169	DB *db;
…		…
111	DBC *dbc;	171	DBC *dbc;
112		172
113	UV uv1;	173	UV uv1;
114	int int1, int2;	174	int int1, int2;
115	U32 uint1, uint2;	175	U32 uint1, uint2;
116	char buf1, buf2;	176	char buf1, buf2, *buf3;
117	SV sv1, sv2, *sv3;	177	SV sv1, sv2, *sv3;
118		178
119	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
120	DB_KEY_RANGE key_range;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
121	DB_SEQUENCE *seq;	182	DB_SEQUENCE *seq;
122	db_seq_t seq_t;	183	db_seq_t seq_t;
123	} aio_cb;	184	#endif
124		185
		186	SV rsv1, rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
125	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
126		190
127	enum {	191	enum {
128	PRI_MIN = -4,	192	PRI_MIN = -4,
129	PRI_MAX = 4,	193	PRI_MAX = 4,
130		194
…		…
133	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
134	};	198	};
135		199
136	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
137		201
		202	static SV *on_next_submit;
		203
138	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
139	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
140		206
141	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
142	static int tvdiff (struct timeval tv1, struct timeval tv2)	208	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
147		213
148	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
149		215
150	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
151		217
152	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
153	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
154	#else
155	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
156	#endif
157
158	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
159	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
160
161	/* worker threads management */	218	/* worker threads management */
162	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
163		220
164	typedef struct worker {	221	typedef struct worker {
165	/* locked by wrklock */	222	/* locked by wrklock */
166	struct worker prev, next;	223	struct worker prev, next;
167		224
168	pthread_t tid;	225	thread_t tid;
169		226
170	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
171	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
172	void *dbuf;	229	void *dbuf;
173	DIR *dirp;	230	DIR *dirp;
174	} worker;	231	} worker;
175		232
176	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
188	}	245	}
189		246
190	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
191	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
192	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
193	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
194		251
195	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
196	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
197	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
198		255
199	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
200		257
201	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
202	{	259	{
203	unsigned int retval;	260	unsigned int retval;
204		261
205	LOCK (reqlock);	262	X_LOCK (reqlock);
206	retval = nready;	263	retval = nready;
207	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
208		265
209	return retval;	266	return retval;
210	}	267	}
211		268
212	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
213	{	270	{
214	unsigned int retval;	271	unsigned int retval;
215		272
216	LOCK (reslock);	273	X_LOCK (reslock);
217	retval = npending;	274	retval = npending;
218	UNLOCK (reslock);	275	X_UNLOCK (reslock);
219		276
220	return retval;	277	return retval;
221	}	278	}
222		279
223	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
224	{	281	{
225	unsigned int retval;	282	unsigned int retval;
226		283
227	LOCK (wrklock);	284	X_LOCK (wrklock);
228	retval = started;	285	retval = started;
229	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
230		287
231	return retval;	288	return retval;
232	}	289	}
233		290
234	#else	291	#else
…		…
243	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
244	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
245	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
246	*/	303	*/
247	typedef struct {	304	typedef struct {
248	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249	int size;	306	int size;
250	} reqq;	307	} reqq;
251		308
252	static reqq req_queue;	309	static reqq req_queue;
253	static reqq res_queue;	310	static reqq res_queue;
254		311
255	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
256	{	313	{
257	int pri = req->pri;	314	int pri = req->pri;
258	req->next = 0;	315	req->next = 0;
259		316
260	if (q->qe[pri])	317	if (q->qe[pri])
…		…
266	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
267		324
268	return q->size++;	325	return q->size++;
269	}	326	}
270		327
271	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
272	{	329	{
273	int pri;	330	int pri;
274		331
275	if (!q->size)	332	if (!q->size)
276	return 0;	333	return 0;
277		334
278	--q->size;	335	--q->size;
279		336
280	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
281	{	338	{
282	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
283		340
284	if (req)	341	if (req)
285	{	342	{
286	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
287	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
291	}	348	}
292		349
293	abort ();	350	abort ();
294	}	351	}
295		352
296	static int poll_cb ();	353	static int poll_cb (void);
297	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
298	static void req_cancel (aio_req req);	355	static void req_cancel (bdb_req req);
299		356
300	static int req_invoke (aio_req req)	357	static int req_invoke (bdb_req req)
301	{	358	{
302	dSP;	359	switch (req->type)
303
304	if (SvOK (req->callback))
305	{	360	{
		361	case REQ_DB_CLOSE:
		362	SvREFCNT_dec (req->sv1);
		363	break;
		364
		365	case REQ_DB_GET:
		366	case REQ_DB_PGET:
		367	case REQ_C_GET:
		368	case REQ_C_PGET:
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (req->sv1, &req->dbt1);
		372	dbt_to_sv (req->sv2, &req->dbt2);
		373	dbt_to_sv (req->sv3, &req->dbt3);
		374	break;
		375
		376	case REQ_DB_KEY_RANGE:
		377	{
		378	AV *av = newAV ();
		379
		380	av_push (av, newSVnv (req->key_range.less));
		381	av_push (av, newSVnv (req->key_range.equal));
		382	av_push (av, newSVnv (req->key_range.greater));
		383
		384	SvREADONLY_off (req->sv1);
		385	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		386	SvREFCNT_dec (req->sv1);
		387	}
		388	break;
		389
		390	#if DB_VERSION_MINOR >= 3
		391	case REQ_SEQ_GET:
		392	SvREADONLY_off (req->sv1);
		393
		394	if (sizeof (IV) > 4)
		395	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		396	else
		397	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		398
		399	SvREFCNT_dec (req->sv1);
		400	break;
		401	#endif
		402	}
		403
		404	errno = req->result;
		405
		406	if (req->callback)
		407	{
		408	dSP;
		409
306	ENTER;	410	ENTER;
307	SAVETMPS;	411	SAVETMPS;
308	PUSHMARK (SP);	412	PUSHMARK (SP);
309		413
310	switch (req->type)
311	{
312	case REQ_DB_CLOSE:
313	SvREFCNT_dec (req->sv1);
314	break;
315
316	case REQ_DB_GET:
317	case REQ_DB_PGET:
318	dbt_to_sv (req->sv3, &req->dbt3);
319	break;
320
321	case REQ_C_GET:
322	case REQ_C_PGET:
323	dbt_to_sv (req->sv1, &req->dbt1);
324	dbt_to_sv (req->sv2, &req->dbt2);
325	dbt_to_sv (req->sv3, &req->dbt3);
326	break;
327
328	case REQ_DB_KEY_RANGE:
329	{
330	AV *av = newAV ();
331
332	av_push (av, newSVnv (req->key_range.less));
333	av_push (av, newSVnv (req->key_range.equal));
334	av_push (av, newSVnv (req->key_range.greater));
335
336	SvREADONLY_off (req->sv1);
337	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
338	SvREFCNT_dec (req->sv1);
339	}
340	break;
341
342	case REQ_SEQ_GET:
343	SvREADONLY_off (req->sv1);
344
345	if (sizeof (IV) > 4)
346	sv_setiv_mg (req->sv1, req->seq_t);
347	else
348	sv_setnv_mg (req->sv1, req->seq_t);
349
350	SvREFCNT_dec (req->sv1);
351	break;
352	}
353
354	errno = req->result;
355
356	PUTBACK;	414	PUTBACK;
357	call_sv (req->callback, G_VOID \| G_EVAL);	415	call_sv (req->callback, G_VOID \| G_EVAL);
358	SPAGAIN;	416	SPAGAIN;
359		417
360	FREETMPS;	418	FREETMPS;
361	LEAVE;	419	LEAVE;
		420
		421	return !SvTRUE (ERRSV);
362	}	422	}
363		423
364	return !SvTRUE (ERRSV);	424	return 1;
365	}	425	}
366		426
367	static void req_free (aio_req req)	427	static void req_free (bdb_req req)
368	{	428	{
		429	SvREFCNT_dec (req->callback);
		430
		431	SvREFCNT_dec (req->rsv1);
		432	SvREFCNT_dec (req->rsv2);
		433
369	free (req->buf1);	434	free (req->buf1);
370	free (req->buf2);	435	free (req->buf2);
		436	free (req->buf3);
		437
371	Safefree (req);	438	Safefree (req);
372	}	439	}
373		440
374	static void aio_proc (void arg);	441	#ifdef USE_SOCKETS_AS_HANDLES
		442	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		443	#else
		444	# define TO_SOCKET(x) (x)
		445	#endif
		446
		447	static void
		448	create_respipe (void)
		449	{
		450	#ifdef _WIN32
		451	int arg; /* argg */
		452	#endif
		453	int old_readfd = respipe [0];
		454
		455	if (respipe [1] >= 0)
		456	respipe_close (TO_SOCKET (respipe [1]));
		457
		458	#ifdef _WIN32
		459	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		460	#else
		461	if (pipe (respipe))
		462	#endif
		463	croak ("unable to initialize result pipe");
		464
		465	if (old_readfd >= 0)
		466	{
		467	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		468	croak ("unable to initialize result pipe(2)");
		469
		470	respipe_close (respipe [0]);
		471	respipe [0] = old_readfd;
		472	}
		473
		474	#ifdef _WIN32
		475	arg = 1;
		476	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		477	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		478	#else
		479	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		480	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		481	#endif
		482	croak ("unable to initialize result pipe(3)");
		483
		484	respipe_osf [0] = TO_SOCKET (respipe [0]);
		485	respipe_osf [1] = TO_SOCKET (respipe [1]);
		486	}
		487
		488	static void bdb_request (bdb_req req);
		489	X_THREAD_PROC (bdb_proc);
375		490
376	static void start_thread (void)	491	static void start_thread (void)
377	{	492	{
378	sigset_t fullsigset, oldsigset;
379	pthread_attr_t attr;
380
381	worker *wrk = calloc (1, sizeof (worker));	493	worker *wrk = calloc (1, sizeof (worker));
382		494
383	if (!wrk)	495	if (!wrk)
384	croak ("unable to allocate worker thread data");	496	croak ("unable to allocate worker thread data");
385		497
386	pthread_attr_init (&attr);
387	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
388	#ifdef PTHREAD_SCOPE_PROCESS
389	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
390	#endif
391
392	sigfillset (&fullsigset);
393
394	LOCK (wrklock);	498	X_LOCK (wrklock);
395	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	499	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398	{	500	{
399	wrk->prev = &wrk_first;	501	wrk->prev = &wrk_first;
400	wrk->next = wrk_first.next;	502	wrk->next = wrk_first.next;
401	wrk_first.next->prev = wrk;	503	wrk_first.next->prev = wrk;
402	wrk_first.next = wrk;	504	wrk_first.next = wrk;
403	++started;	505	++started;
404	}	506	}
405	else	507	else
406	free (wrk);	508	free (wrk);
407		509
408	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409	UNLOCK (wrklock);	510	X_UNLOCK (wrklock);
410	}	511	}
411		512
412	static void maybe_start_thread ()	513	static void maybe_start_thread (void)
413	{	514	{
414	if (get_nthreads () >= wanted)	515	if (get_nthreads () >= wanted)
415	return;	516	return;
416		517
417	/* todo: maybe use idle here, but might be less exact */	518	/* todo: maybe use idle here, but might be less exact */
…		…
419	return;	520	return;
420		521
421	start_thread ();	522	start_thread ();
422	}	523	}
423		524
424	static void req_send (aio_req req)	525	static void req_send (bdb_req req)
425	{	526	{
426	SV *wait_callback = 0;	527	SV *wait_callback = 0;
427		528
428	// synthesize callback if none given	529	if (on_next_submit)
429	if (!SvOK (req->callback))
430	{	530	{
431	dSP;	531	dSP;
		532	SV *cb = sv_2mortal (on_next_submit);
		533
		534	on_next_submit = 0;
		535
432	PUSHMARK (SP);	536	PUSHMARK (SP);
433	PUTBACK;	537	PUTBACK;
434	int count = call_sv (prepare_cb, G_ARRAY);	538	call_sv (cb, G_DISCARD \| G_EVAL);
435	SPAGAIN;	539	SPAGAIN;
436
437	if (count != 2)
438	croak ("prepare callback must return exactly two values\n");
439
440	wait_callback = SvREFCNT_inc (POPs);
441	SvREFCNT_dec (req->callback);
442	req->callback = SvREFCNT_inc (POPs);
443	}	540	}
444		541
		542	// synthesize callback if none given
		543	if (!req->callback)
		544	{
		545	if (SvOK (prepare_cb))
		546	{
		547	int count;
		548
		549	dSP;
		550	PUSHMARK (SP);
		551	PUTBACK;
		552	count = call_sv (prepare_cb, G_ARRAY);
		553	SPAGAIN;
		554
		555	if (count != 2)
		556	croak ("sync prepare callback must return exactly two values\n");
		557
		558	wait_callback = POPs;
		559	req->callback = SvREFCNT_inc (POPs);
		560	}
		561	else
		562	{
		563	// execute request synchronously
		564	bdb_request (req);
		565	req_invoke (req);
		566	req_free (req);
		567	return;
		568	}
		569	}
		570
445	++nreqs;	571	++nreqs;
446		572
447	LOCK (reqlock);	573	X_LOCK (reqlock);
448	++nready;	574	++nready;
449	reqq_push (&req_queue, req);	575	reqq_push (&req_queue, req);
450	pthread_cond_signal (&reqwait);	576	X_COND_SIGNAL (reqwait);
451	UNLOCK (reqlock);	577	X_UNLOCK (reqlock);
452		578
453	maybe_start_thread ();	579	maybe_start_thread ();
454		580
455	if (wait_callback)	581	if (wait_callback)
456	{	582	{
457	dSP;	583	dSP;
458	PUSHMARK (SP);	584	PUSHMARK (SP);
459	PUTBACK;	585	PUTBACK;
460	call_sv (wait_callback, G_DISCARD);	586	call_sv (wait_callback, G_DISCARD);
461	SvREFCNT_dec (wait_callback);
462	}	587	}
463	}	588	}
464		589
465	static void end_thread (void)	590	static void end_thread (void)
466	{	591	{
467	aio_req req;	592	bdb_req req = calloc (1, sizeof (bdb_cb));
468
469	Newz (0, req, 1, aio_cb);
470		593
471	req->type = REQ_QUIT;	594	req->type = REQ_QUIT;
472	req->pri = PRI_MAX + PRI_BIAS;	595	req->pri = PRI_MAX + PRI_BIAS;
473		596
474	LOCK (reqlock);	597	X_LOCK (reqlock);
475	reqq_push (&req_queue, req);	598	reqq_push (&req_queue, req);
476	pthread_cond_signal (&reqwait);	599	X_COND_SIGNAL (reqwait);
477	UNLOCK (reqlock);	600	X_UNLOCK (reqlock);
478		601
479	LOCK (wrklock);	602	X_LOCK (wrklock);
480	--started;	603	--started;
481	UNLOCK (wrklock);	604	X_UNLOCK (wrklock);
482	}	605	}
483		606
484	static void set_max_idle (int nthreads)	607	static void set_max_idle (int nthreads)
485	{	608	{
486	if (WORDACCESS_UNSAFE) LOCK (reqlock);	609	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487	max_idle = nthreads <= 0 ? 1 : nthreads;	610	max_idle = nthreads <= 0 ? 1 : nthreads;
488	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	611	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489	}	612	}
490		613
491	static void min_parallel (int nthreads)	614	static void min_parallel (int nthreads)
492	{	615	{
493	if (wanted < nthreads)	616	if (wanted < nthreads)
…		…
501		624
502	while (started > wanted)	625	while (started > wanted)
503	end_thread ();	626	end_thread ();
504	}	627	}
505		628
506	static void poll_wait ()	629	static void poll_wait (void)
507	{	630	{
508	fd_set rfd;	631	fd_set rfd;
509		632
510	while (nreqs)	633	while (nreqs)
511	{	634	{
512	int size;	635	int size;
513	if (WORDACCESS_UNSAFE) LOCK (reslock);	636	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514	size = res_queue.size;	637	size = res_queue.size;
515	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	638	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516		639
517	if (size)	640	if (size)
518	return;	641	return;
519		642
520	maybe_start_thread ();	643	maybe_start_thread ();
521		644
522	FD_ZERO(&rfd);	645	FD_ZERO (&rfd);
523	FD_SET(respipe [0], &rfd);	646	FD_SET (respipe [0], &rfd);
524		647
525	select (respipe [0] + 1, &rfd, 0, 0, 0);	648	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526	}	649	}
527	}	650	}
528		651
529	static int poll_cb ()	652	static int poll_cb (void)
530	{	653	{
531	dSP;	654	dSP;
532	int count = 0;	655	int count = 0;
533	int maxreqs = max_poll_reqs;	656	int maxreqs = max_poll_reqs;
534	int do_croak = 0;	657	int do_croak = 0;
535	struct timeval tv_start, tv_now;	658	struct timeval tv_start, tv_now;
536	aio_req req;	659	bdb_req req;
537		660
538	if (max_poll_time)	661	if (max_poll_time)
539	gettimeofday (&tv_start, 0);	662	gettimeofday (&tv_start, 0);
540		663
541	for (;;)	664	for (;;)
542	{	665	{
543	for (;;)	666	for (;;)
544	{	667	{
545	maybe_start_thread ();	668	maybe_start_thread ();
546		669
547	LOCK (reslock);	670	X_LOCK (reslock);
548	req = reqq_shift (&res_queue);	671	req = reqq_shift (&res_queue);
549		672
550	if (req)	673	if (req)
551	{	674	{
552	--npending;	675	--npending;
553		676
554	if (!res_queue.size)	677	if (!res_queue.size)
555	{	678	{
556	/* read any signals sent by the worker threads */	679	/* read any signals sent by the worker threads */
557	char buf [4];	680	char buf [4];
558	while (read (respipe [0], buf, 4) == 4)	681	while (respipe_read (respipe [0], buf, 4) == 4)
559	;	682	;
560	}	683	}
561	}	684	}
562		685
563	UNLOCK (reslock);	686	X_UNLOCK (reslock);
564		687
565	if (!req)	688	if (!req)
566	break;	689	break;
567		690
568	--nreqs;	691	--nreqs;
…		…
598	}	721	}
599		722
600	return count;	723	return count;
601	}	724	}
602		725
603	static void create_pipe ()
604	{
605	if (pipe (respipe))
606	croak ("unable to initialize result pipe");
607
608	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
609	croak ("cannot set result pipe to nonblocking mode");
610
611	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
612	croak ("cannot set result pipe to nonblocking mode");
613	}
614
615	/*****************************************************************************/	726	/*****************************************************************************/
616		727
617	static void aio_proc (void thr_arg)	728	static void
		729	bdb_request (bdb_req req)
618	{	730	{
		731	switch (req->type)
		732	{
		733	case REQ_ENV_OPEN:
		734	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		735	break;
		736
		737	case REQ_ENV_CLOSE:
		738	req->result = req->env->close (req->env, req->uint1);
		739	break;
		740
		741	case REQ_ENV_TXN_CHECKPOINT:
		742	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		743	break;
		744
		745	case REQ_ENV_LOCK_DETECT:
		746	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		747	break;
		748
		749	case REQ_ENV_MEMP_SYNC:
		750	req->result = req->env->memp_sync (req->env, 0);
		751	break;
		752
		753	case REQ_ENV_MEMP_TRICKLE:
		754	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		755	break;
		756
		757	case REQ_ENV_DBREMOVE:
		758	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		759	break;
		760
		761	case REQ_ENV_DBRENAME:
		762	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		763	break;
		764
		765	case REQ_DB_OPEN:
		766	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		767	break;
		768
		769	case REQ_DB_CLOSE:
		770	req->result = req->db->close (req->db, req->uint1);
		771	break;
		772
		773	#if DB_VERSION_MINOR >= 4
		774	case REQ_DB_COMPACT:
		775	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		776	break;
		777	#endif
		778
		779	case REQ_DB_SYNC:
		780	req->result = req->db->sync (req->db, req->uint1);
		781	break;
		782
		783	case REQ_DB_UPGRADE:
		784	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		785	break;
		786
		787	case REQ_DB_PUT:
		788	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		789	break;
		790
		791	#if DB_VERSION_MINOR >= 6
		792	case REQ_DB_EXISTS:
		793	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		794	break;
		795	#endif
		796	case REQ_DB_GET:
		797	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		798	break;
		799
		800	case REQ_DB_PGET:
		801	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		802	break;
		803
		804	case REQ_DB_DEL:
		805	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		806	break;
		807
		808	case REQ_DB_KEY_RANGE:
		809	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		810	break;
		811
		812	case REQ_TXN_COMMIT:
		813	req->result = req->txn->commit (req->txn, req->uint1);
		814	break;
		815
		816	case REQ_TXN_ABORT:
		817	req->result = req->txn->abort (req->txn);
		818	break;
		819
		820	case REQ_TXN_FINISH:
		821	if (req->txn->flags & TXN_DEADLOCK)
		822	{
		823	req->result = req->txn->abort (req->txn);
		824	if (!req->result)
		825	req->result = DB_LOCK_DEADLOCK;
		826	}
		827	else
		828	req->result = req->txn->commit (req->txn, req->uint1);
		829	break;
		830
		831	case REQ_C_CLOSE:
		832	req->result = req->dbc->c_close (req->dbc);
		833	break;
		834
		835	case REQ_C_COUNT:
		836	{
		837	db_recno_t recno;
		838	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		839	req->uv1 = recno;
		840	}
		841	break;
		842
		843	case REQ_C_PUT:
		844	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		845	break;
		846
		847	case REQ_C_GET:
		848	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		849	break;
		850
		851	case REQ_C_PGET:
		852	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		853	break;
		854
		855	case REQ_C_DEL:
		856	req->result = req->dbc->c_del (req->dbc, req->uint1);
		857	break;
		858
		859	#if DB_VERSION_MINOR >= 3
		860	case REQ_SEQ_OPEN:
		861	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		862	break;
		863
		864	case REQ_SEQ_CLOSE:
		865	req->result = req->seq->close (req->seq, req->uint1);
		866	break;
		867
		868	case REQ_SEQ_GET:
		869	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		870	break;
		871
		872	case REQ_SEQ_REMOVE:
		873	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		874	break;
		875	#endif
		876
		877	default:
		878	req->result = ENOSYS;
		879	break;
		880	}
		881
		882	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		883	req->txn->flags \|= TXN_DEADLOCK;
		884	}
		885
		886	X_THREAD_PROC (bdb_proc)
		887	{
619	aio_req req;	888	bdb_req req;
620	struct timespec ts;	889	struct timespec ts;
621	worker self = (worker )thr_arg;	890	worker self = (worker )thr_arg;
622		891
623	/* try to distribute timeouts somewhat evenly */	892	/* try to distribute timeouts somewhat evenly */
624	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	893	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625	* (1000000000UL / 1024UL);
626		894
627	for (;;)	895	for (;;)
628	{	896	{
629	ts.tv_sec = time (0) + IDLE_TIMEOUT;	897	ts.tv_sec = time (0) + IDLE_TIMEOUT;
630		898
631	LOCK (reqlock);	899	X_LOCK (reqlock);
632		900
633	for (;;)	901	for (;;)
634	{	902	{
635	self->req = req = reqq_shift (&req_queue);	903	self->req = req = reqq_shift (&req_queue);
636		904
637	if (req)	905	if (req)
638	break;	906	break;
639		907
640	++idle;	908	++idle;
641		909
642	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	910	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643	== ETIMEDOUT)	911	== ETIMEDOUT)
644	{	912	{
645	if (idle > max_idle)	913	if (idle > max_idle)
646	{	914	{
647	--idle;	915	--idle;
648	UNLOCK (reqlock);	916	X_UNLOCK (reqlock);
649	LOCK (wrklock);	917	X_LOCK (wrklock);
650	--started;	918	--started;
651	UNLOCK (wrklock);	919	X_UNLOCK (wrklock);
652	goto quit;	920	goto quit;
653	}	921	}
654		922
655	/* we are allowed to idle, so do so without any timeout */	923	/* we are allowed to idle, so do so without any timeout */
656	pthread_cond_wait (&reqwait, &reqlock);	924	X_COND_WAIT (reqwait, reqlock);
657	ts.tv_sec = time (0) + IDLE_TIMEOUT;	925	ts.tv_sec = time (0) + IDLE_TIMEOUT;
658	}	926	}
659		927
660	--idle;	928	--idle;
661	}	929	}
662		930
663	--nready;	931	--nready;
664		932
665	UNLOCK (reqlock);	933	X_UNLOCK (reqlock);
666		934
667	switch (req->type)	935	if (req->type == REQ_QUIT)
668	{	936	{
669	case REQ_QUIT:	937	X_LOCK (reslock);
		938	free (req);
		939	self->req = 0;
		940	X_UNLOCK (reslock);
		941
670	goto quit;	942	goto quit;
671
672	case REQ_ENV_OPEN:
673	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674	break;
675
676	case REQ_ENV_CLOSE:
677	req->result = req->env->close (req->env, req->uint1);
678	break;
679
680	case REQ_ENV_TXN_CHECKPOINT:
681	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
682	break;
683
684	case REQ_ENV_LOCK_DETECT:
685	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
686	break;
687
688	case REQ_ENV_MEMP_SYNC:
689	req->result = req->env->memp_sync (req->env, 0);
690	break;
691
692	case REQ_ENV_MEMP_TRICKLE:
693	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
694	break;
695
696	case REQ_DB_OPEN:
697	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
698	break;
699
700	case REQ_DB_CLOSE:
701	req->result = req->db->close (req->db, req->uint1);
702	break;
703
704	case REQ_DB_COMPACT:
705	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
706	break;
707
708	case REQ_DB_SYNC:
709	req->result = req->db->sync (req->db, req->uint1);
710	break;
711
712	case REQ_DB_PUT:
713	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714	break;
715
716	case REQ_DB_GET:
717	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
718	break;
719
720	case REQ_DB_PGET:
721	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
722	break;
723
724	case REQ_DB_DEL:
725	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
726	break;
727
728	case REQ_DB_KEY_RANGE:
729	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
730	break;
731
732	case REQ_TXN_COMMIT:
733	req->result = req->txn->commit (req->txn, req->uint1);
734	break;
735
736	case REQ_TXN_ABORT:
737	req->result = req->txn->abort (req->txn);
738	break;
739
740	case REQ_C_CLOSE:
741	req->result = req->dbc->c_close (req->dbc);
742	break;
743
744	case REQ_C_COUNT:
745	{
746	db_recno_t recno;
747	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
748	req->uv1 = recno;
749	}
750	break;
751
752	case REQ_C_PUT:
753	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
754	break;
755
756	case REQ_C_GET:
757	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
758	break;
759
760	case REQ_C_PGET:
761	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
762	break;
763
764	case REQ_C_DEL:
765	req->result = req->dbc->c_del (req->dbc, req->uint1);
766	break;
767
768	case REQ_SEQ_OPEN:
769	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
770	break;
771
772	case REQ_SEQ_CLOSE:
773	req->result = req->seq->close (req->seq, req->uint1);
774	break;
775
776	case REQ_SEQ_GET:
777	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
778	break;
779
780	case REQ_SEQ_REMOVE:
781	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
782	break;
783
784	default:
785	req->result = ENOSYS;
786	break;
787	}	943	}
788		944
		945	bdb_request (req);
		946
789	LOCK (reslock);	947	X_LOCK (reslock);
790		948
791	++npending;	949	++npending;
792		950
793	if (!reqq_push (&res_queue, req))	951	if (!reqq_push (&res_queue, req))
794	/* write a dummy byte to the pipe so fh becomes ready */	952	/* write a dummy byte to the pipe so fh becomes ready */
795	write (respipe [1], &respipe, 1);	953	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796		954
797	self->req = 0;	955	self->req = 0;
798	worker_clear (self);	956	worker_clear (self);
799		957
800	UNLOCK (reslock);	958	X_UNLOCK (reslock);
801	}	959	}
802		960
803	quit:	961	quit:
804	LOCK (wrklock);	962	X_LOCK (wrklock);
805	worker_free (self);	963	worker_free (self);
806	UNLOCK (wrklock);	964	X_UNLOCK (wrklock);
807		965
808	return 0;	966	return 0;
809	}	967	}
810		968
811	/*****************************************************************************/	969	/*****************************************************************************/
812		970
813	static void atfork_prepare (void)	971	static void atfork_prepare (void)
814	{	972	{
815	LOCK (wrklock);	973	X_LOCK (wrklock);
816	LOCK (reqlock);	974	X_LOCK (reqlock);
817	LOCK (reslock);	975	X_LOCK (reslock);
818	}	976	}
819		977
820	static void atfork_parent (void)	978	static void atfork_parent (void)
821	{	979	{
822	UNLOCK (reslock);	980	X_UNLOCK (reslock);
823	UNLOCK (reqlock);	981	X_UNLOCK (reqlock);
824	UNLOCK (wrklock);	982	X_UNLOCK (wrklock);
825	}	983	}
826		984
827	static void atfork_child (void)	985	static void atfork_child (void)
828	{	986	{
829	aio_req prv;	987	bdb_req prv;
830		988
831	while (prv = reqq_shift (&req_queue))	989	while (prv = reqq_shift (&req_queue))
832	req_free (prv);	990	req_free (prv);
833		991
834	while (prv = reqq_shift (&res_queue))	992	while (prv = reqq_shift (&res_queue))
…		…
849	idle = 0;	1007	idle = 0;
850	nreqs = 0;	1008	nreqs = 0;
851	nready = 0;	1009	nready = 0;
852	npending = 0;	1010	npending = 0;
853		1011
854	close (respipe [0]);
855	close (respipe [1]);
856	create_pipe ();	1012	create_respipe ();
857		1013
858	atfork_parent ();	1014	atfork_parent ();
859	}	1015	}
860		1016
861	#define dREQ(reqtype) \	1017	#define dREQ(reqtype,rsvcnt) \
862	aio_req req; \	1018	bdb_req req; \
863	int req_pri = next_pri; \	1019	int req_pri = next_pri; \
864	next_pri = DEFAULT_PRI + PRI_BIAS; \	1020	next_pri = DEFAULT_PRI + PRI_BIAS; \
865	\	1021	\
866	if (SvOK (callback) && !SvROK (callback)) \	1022	if (callback && SvOK (callback)) \
867	croak ("callback must be undef or of reference type"); \	1023	croak ("callback has illegal type or extra arguments"); \
868	\	1024	\
869	Newz (0, req, 1, aio_cb); \	1025	Newz (0, req, 1, bdb_cb); \
870	if (!req) \	1026	if (!req) \
871	croak ("out of memory during aio_req allocation"); \	1027	croak ("out of memory during bdb_req allocation"); \
872	\	1028	\
873	req->callback = newSVsv (callback); \	1029	req->callback = SvREFCNT_inc (cb); \
874	req->type = (reqtype); \	1030	req->type = (reqtype); \
875	req->pri = req_pri	1031	req->pri = req_pri; \
		1032	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1033	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1034	(void)0;
876		1035
877	#define REQ_SEND \	1036	#define REQ_SEND \
878	req_send (req)	1037	req_send (req)
879		1038
880	#define SvPTR(var, arg, type, class, nullok) \	1039	#define SvPTR(var, arg, type, class, nullok) \
881	if (!SvOK (arg)) \	1040	if (!SvOK (arg)) \
882	{ \	1041	{ \
883	if (!nullok) \	1042	if (nullok != 1) \
884	croak (# var " must be a " # class " object, not undef"); \	1043	croak (# var " must be a " # class " object, not undef"); \
885	\	1044	\
886	(var) = 0; \	1045	(var) = 0; \
887	} \	1046	} \
888	else if (sv_derived_from ((arg), # class)) \	1047	else if (sv_derived_from ((arg), # class)) \
889	{ \	1048	{ \
890	IV tmp = SvIV ((SV*) SvRV (arg)); \	1049	IV tmp = SvIV ((SV*) SvRV (arg)); \
891	(var) = INT2PTR (type, tmp); \	1050	(var) = INT2PTR (type, tmp); \
892	if (!var) \	1051	if (!var && nullok != 2) \
893	croak (# var " is not a valid " # class " object anymore"); \	1052	croak (# var " is not a valid " # class " object anymore"); \
894	} \	1053	} \
895	else \	1054	else \
896	croak (# var " is not of type " # class); \	1055	croak (# var " is not of type " # class);
897	\	1056
		1057	#define ARG_MUTABLE(name) \
		1058	if (SvREADONLY (name)) \
		1059	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
898		1060
899	static void	1061	static void
900	ptr_nuke (SV *sv)	1062	ptr_nuke (SV *sv)
901	{	1063	{
902	assert (SvROK (sv));	1064	assert (SvROK (sv));
903	sv_setiv (SvRV (sv), 0);	1065	sv_setiv (SvRV (sv), 0);
904	}	1066	}
		1067
		1068	static int
		1069	errno_get (pTHX_ SV sv, MAGIC mg)
		1070	{
		1071	if (*mg->mg_ptr == '!') // should always be the case
		1072	if (-30999 <= errno && errno <= -30800)
		1073	{
		1074	sv_setnv (sv, (NV)errno);
		1075	sv_setpv (sv, db_strerror (errno));
		1076	SvNOK_on (sv); /* what a wonderful hack! */
		1077	// ^^^ copied from perl sources
		1078	return 0;
		1079	}
		1080
		1081	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1082	}
		1083
		1084	static MGVTBL vtbl_errno;
		1085
		1086	// this wonderful hack :( patches perl's $! variable to support our errno values
		1087	static void
		1088	patch_errno (void)
		1089	{
		1090	SV *sv;
		1091	MAGIC *mg;
		1092
		1093	if (!(sv = get_sv ("!", 1)))
		1094	return;
		1095
		1096	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1097	return;
		1098
		1099	if (mg->mg_virtual != &PL_vtbl_sv)
		1100	return;
		1101
		1102	vtbl_errno = PL_vtbl_sv;
		1103	vtbl_errno.svt_get = errno_get;
		1104	mg->mg_virtual = &vtbl_errno;
		1105	}
		1106
		1107	#if __GNUC__ >= 4
		1108	# define noinline __attribute__ ((noinline))
		1109	#else
		1110	# define noinline
		1111	#endif
		1112
		1113	static noinline SV *
		1114	pop_callback (I32 ritems, SV sv)
		1115	{
		1116	if (SvROK (sv))
		1117	{
		1118	HV *st;
		1119	GV *gvp;
		1120	CV *cv;
		1121	const char *name;
		1122
		1123	/* forgive me */
		1124	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1125	&& (st = SvSTASH (SvRV (sv)))
		1126	&& (name = HvNAME_get (st))
		1127	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1128	return 0;
		1129
		1130	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1131	{
		1132	--*ritems;
		1133	return (SV *)cv;
		1134	}
		1135	}
		1136
		1137	return 0;
		1138	}
		1139
		1140	/* stupid windoes defined CALLBACK as well */
		1141	#undef CALLBACK
		1142	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
905		1143
906	MODULE = BDB PACKAGE = BDB	1144	MODULE = BDB PACKAGE = BDB
907		1145
908	PROTOTYPES: ENABLE	1146	PROTOTYPES: ENABLE
909		1147
…		…
925	const_iv (INIT_TXN)	1163	const_iv (INIT_TXN)
926	const_iv (RECOVER)	1164	const_iv (RECOVER)
927	const_iv (INIT_TXN)	1165	const_iv (INIT_TXN)
928	const_iv (RECOVER_FATAL)	1166	const_iv (RECOVER_FATAL)
929	const_iv (CREATE)	1167	const_iv (CREATE)
		1168	const_iv (RDONLY)
930	const_iv (USE_ENVIRON)	1169	const_iv (USE_ENVIRON)
931	const_iv (USE_ENVIRON_ROOT)	1170	const_iv (USE_ENVIRON_ROOT)
932	const_iv (LOCKDOWN)	1171	const_iv (LOCKDOWN)
933	const_iv (PRIVATE)	1172	const_iv (PRIVATE)
934	const_iv (REGISTER)
935	const_iv (SYSTEM_MEM)	1173	const_iv (SYSTEM_MEM)
936	const_iv (AUTO_COMMIT)	1174	const_iv (AUTO_COMMIT)
937	const_iv (CDB_ALLDB)	1175	const_iv (CDB_ALLDB)
938	const_iv (DIRECT_DB)	1176	const_iv (DIRECT_DB)
939	const_iv (DIRECT_LOG)
940	const_iv (DSYNC_DB)
941	const_iv (DSYNC_LOG)
942	const_iv (LOG_AUTOREMOVE)
943	const_iv (LOG_INMEMORY)
944	const_iv (NOLOCKING)	1177	const_iv (NOLOCKING)
945	const_iv (MULTIVERSION)
946	const_iv (NOMMAP)	1178	const_iv (NOMMAP)
947	const_iv (NOPANIC)	1179	const_iv (NOPANIC)
948	const_iv (OVERWRITE)	1180	const_iv (OVERWRITE)
949	const_iv (PANIC_ENVIRONMENT)	1181	const_iv (PANIC_ENVIRONMENT)
950	const_iv (REGION_INIT)	1182	const_iv (REGION_INIT)
951	const_iv (TIME_NOTGRANTED)	1183	const_iv (TIME_NOTGRANTED)
952	const_iv (TXN_NOSYNC)	1184	const_iv (TXN_NOSYNC)
953	const_iv (TXN_SNAPSHOT)	1185	const_iv (TXN_NOT_DURABLE)
954	const_iv (TXN_WRITE_NOSYNC)	1186	const_iv (TXN_WRITE_NOSYNC)
955	const_iv (WRITECURSOR)	1187	const_iv (WRITECURSOR)
956	const_iv (YIELDCPU)	1188	const_iv (YIELDCPU)
957	const_iv (ENCRYPT_AES)	1189	const_iv (ENCRYPT_AES)
958	const_iv (XA_CREATE)	1190	const_iv (XA_CREATE)
…		…
960	const_iv (HASH)	1192	const_iv (HASH)
961	const_iv (QUEUE)	1193	const_iv (QUEUE)
962	const_iv (RECNO)	1194	const_iv (RECNO)
963	const_iv (UNKNOWN)	1195	const_iv (UNKNOWN)
964	const_iv (EXCL)	1196	const_iv (EXCL)
965	const_iv (READ_COMMITTED)
966	const_iv (READ_UNCOMMITTED)
967	const_iv (TRUNCATE)	1197	const_iv (TRUNCATE)
968	const_iv (NOSYNC)	1198	const_iv (NOSYNC)
969	const_iv (CHKSUM)	1199	const_iv (CHKSUM)
970	const_iv (ENCRYPT)	1200	const_iv (ENCRYPT)
971	const_iv (TXN_NOT_DURABLE)
972	const_iv (DUP)	1201	const_iv (DUP)
973	const_iv (DUPSORT)	1202	const_iv (DUPSORT)
974	const_iv (RECNUM)	1203	const_iv (RECNUM)
975	const_iv (RENUMBER)	1204	const_iv (RENUMBER)
976	const_iv (REVSPLITOFF)	1205	const_iv (REVSPLITOFF)
977	const_iv (INORDER)
978	const_iv (CONSUME)	1206	const_iv (CONSUME)
979	const_iv (CONSUME_WAIT)	1207	const_iv (CONSUME_WAIT)
980	const_iv (GET_BOTH)	1208	const_iv (GET_BOTH)
981	const_iv (GET_BOTH_RANGE)	1209	const_iv (GET_BOTH_RANGE)
982	//const_iv (SET_RECNO)	1210	//const_iv (SET_RECNO)
983	//const_iv (MULTIPLE)	1211	//const_iv (MULTIPLE)
984	const_iv (SNAPSHOT)	1212	const_iv (SNAPSHOT)
985	const_iv (JOIN_ITEM)	1213	const_iv (JOIN_ITEM)
		1214	const_iv (JOIN_NOSORT)
986	const_iv (RMW)	1215	const_iv (RMW)
987		1216
988	const_iv (NOTFOUND)	1217	const_iv (NOTFOUND)
989	const_iv (KEYEMPTY)	1218	const_iv (KEYEMPTY)
990	const_iv (LOCK_DEADLOCK)	1219	const_iv (LOCK_DEADLOCK)
991	const_iv (LOCK_NOTGRANTED)	1220	const_iv (LOCK_NOTGRANTED)
992	const_iv (RUNRECOVERY)	1221	const_iv (RUNRECOVERY)
993	const_iv (OLD_VERSION)	1222	const_iv (OLD_VERSION)
994	const_iv (REP_HANDLE_DEAD)	1223	const_iv (REP_HANDLE_DEAD)
995	const_iv (REP_LOCKOUT)
996	const_iv (SECONDARY_BAD)	1224	const_iv (SECONDARY_BAD)
997
998	const_iv (FREE_SPACE)
999	const_iv (FREELIST_ONLY)
1000		1225
1001	const_iv (APPEND)	1226	const_iv (APPEND)
1002	const_iv (NODUPDATA)	1227	const_iv (NODUPDATA)
1003	const_iv (NOOVERWRITE)	1228	const_iv (NOOVERWRITE)
1004		1229
1005	const_iv (TXN_NOWAIT)	1230	const_iv (TXN_NOWAIT)
1006	const_iv (TXN_SNAPSHOT)
1007	const_iv (TXN_SYNC)	1231	const_iv (TXN_SYNC)
1008		1232
1009	const_iv (SET_LOCK_TIMEOUT)	1233	const_iv (SET_LOCK_TIMEOUT)
1010	const_iv (SET_TXN_TIMEOUT)	1234	const_iv (SET_TXN_TIMEOUT)
1011		1235
1012	const_iv (JOIN_ITEM)
1013	const_iv (FIRST)	1236	const_iv (FIRST)
1014	const_iv (NEXT)	1237	const_iv (NEXT)
1015	const_iv (NEXT_DUP)	1238	const_iv (NEXT_DUP)
1016	const_iv (NEXT_NODUP)	1239	const_iv (NEXT_NODUP)
1017	const_iv (PREV)	1240	const_iv (PREV)
…		…
1029	const_iv (FORCE)	1252	const_iv (FORCE)
1030		1253
1031	const_iv (LOCK_DEFAULT)	1254	const_iv (LOCK_DEFAULT)
1032	const_iv (LOCK_EXPIRE)	1255	const_iv (LOCK_EXPIRE)
1033	const_iv (LOCK_MAXLOCKS)	1256	const_iv (LOCK_MAXLOCKS)
1034	const_iv (LOCK_MAXWRITE)
1035	const_iv (LOCK_MINLOCKS)	1257	const_iv (LOCK_MINLOCKS)
1036	const_iv (LOCK_MINWRITE)	1258	const_iv (LOCK_MINWRITE)
1037	const_iv (LOCK_OLDEST)	1259	const_iv (LOCK_OLDEST)
1038	const_iv (LOCK_RANDOM)	1260	const_iv (LOCK_RANDOM)
1039	const_iv (LOCK_YOUNGEST)	1261	const_iv (LOCK_YOUNGEST)
1040		1262
		1263	const_iv (DONOTINDEX)
		1264	const_iv (KEYEMPTY )
		1265	const_iv (KEYEXIST )
		1266	const_iv (LOCK_DEADLOCK)
		1267	const_iv (LOCK_NOTGRANTED)
		1268	const_iv (NOSERVER)
		1269	const_iv (NOSERVER_HOME)
		1270	const_iv (NOSERVER_ID)
		1271	const_iv (NOTFOUND)
		1272	const_iv (PAGE_NOTFOUND)
		1273	const_iv (REP_DUPMASTER)
		1274	const_iv (REP_HANDLE_DEAD)
		1275	const_iv (REP_HOLDELECTION)
		1276	const_iv (REP_ISPERM)
		1277	const_iv (REP_NEWMASTER)
		1278	const_iv (REP_NEWSITE)
		1279	const_iv (REP_NOTPERM)
		1280	const_iv (REP_UNAVAIL)
		1281	const_iv (RUNRECOVERY)
		1282	const_iv (SECONDARY_BAD)
		1283	const_iv (VERIFY_BAD)
		1284
		1285	const_iv (VERB_DEADLOCK)
		1286	const_iv (VERB_RECOVERY)
		1287	const_iv (VERB_REPLICATION)
		1288	const_iv (VERB_WAITSFOR)
		1289
		1290	const_iv (VERSION_MAJOR)
		1291	const_iv (VERSION_MINOR)
		1292	const_iv (VERSION_PATCH)
		1293	#if DB_VERSION_MINOR >= 3
		1294	const_iv (INORDER)
		1295	const_iv (LOCK_MAXWRITE)
1041	const_iv (SEQ_DEC)	1296	const_iv (SEQ_DEC)
1042	const_iv (SEQ_INC)	1297	const_iv (SEQ_INC)
1043	const_iv (SEQ_WRAP)	1298	const_iv (SEQ_WRAP)
		1299	const_iv (BUFFER_SMALL)
		1300	const_iv (LOG_BUFFER_FULL)
		1301	const_iv (VERSION_MISMATCH)
		1302	#endif
		1303	#if DB_VERSION_MINOR >= 4
		1304	const_iv (REGISTER)
		1305	const_iv (DSYNC_DB)
		1306	const_iv (READ_COMMITTED)
		1307	const_iv (READ_UNCOMMITTED)
		1308	const_iv (REP_IGNORE)
		1309	const_iv (REP_LOCKOUT)
		1310	const_iv (REP_JOIN_FAILURE)
		1311	const_iv (FREE_SPACE)
		1312	const_iv (FREELIST_ONLY)
		1313	const_iv (VERB_REGISTER)
		1314	#endif
		1315	#if DB_VERSION_MINOR >= 5
		1316	const_iv (MULTIVERSION)
		1317	const_iv (TXN_SNAPSHOT)
		1318	#endif
		1319	#if DB_VERSION_MINOR >= 6
		1320	const_iv (PREV_DUP)
		1321	const_iv (PRIORITY_UNCHANGED)
		1322	const_iv (PRIORITY_VERY_LOW)
		1323	const_iv (PRIORITY_LOW)
		1324	const_iv (PRIORITY_DEFAULT)
		1325	const_iv (PRIORITY_HIGH)
		1326	const_iv (PRIORITY_VERY_HIGH)
		1327	#endif
		1328	#if DB_VERSION_MINOR >= 7
		1329	const_iv (LOG_DIRECT)
		1330	const_iv (LOG_DSYNC)
		1331	const_iv (LOG_AUTO_REMOVE)
		1332	const_iv (LOG_IN_MEMORY)
		1333	const_iv (LOG_ZERO)
		1334	#else
		1335	const_iv (DIRECT_LOG)
		1336	const_iv (LOG_AUTOREMOVE)
		1337	# if DB_VERSION_MINOR >= 3
		1338	const_iv (DSYNC_LOG)
		1339	const_iv (LOG_INMEMORY)
		1340	# endif
		1341	#endif
1044	};	1342	};
1045		1343
1046	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1344	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1345	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048		1346
1049	create_pipe ();	1347	prepare_cb = &PL_sv_undef;
		1348
		1349	{
		1350	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1351	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1352
		1353	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1354	}
		1355
		1356	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1357
		1358	create_respipe ();
		1359
1050	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1360	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1361	patch_errno ();
1051	}	1362	}
1052		1363
1053	void	1364	void
1054	max_poll_reqs (int nreqs)	1365	max_poll_reqs (int nreqs)
1055	PROTOTYPE: $	1366	PROTOTYPE: $
…		…
1174		1485
1175	int	1486	int
1176	nthreads ()	1487	nthreads ()
1177	PROTOTYPE:	1488	PROTOTYPE:
1178	CODE:	1489	CODE:
1179	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1490	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180	RETVAL = started;	1491	RETVAL = started;
1181	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1492	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182	OUTPUT:	1493	OUTPUT:
1183	RETVAL	1494	RETVAL
1184		1495
1185	void	1496	SV *
1186	set_sync_prepare (SV *cb)	1497	set_sync_prepare (SV *cb)
1187	PROTOTYPE: &	1498	PROTOTYPE: &
1188	CODE:	1499	CODE:
1189	SvREFCNT_dec (prepare_cb);	1500	RETVAL = prepare_cb;
1190	prepare_cb = newSVsv (cb);	1501	prepare_cb = newSVsv (cb);
		1502	OUTPUT:
		1503	RETVAL
1191		1504
		1505	char *
		1506	strerror (int errorno = errno)
		1507	PROTOTYPE: ;$
		1508	CODE:
		1509	RETVAL = db_strerror (errorno);
		1510	OUTPUT:
		1511	RETVAL
		1512
		1513	void _on_next_submit (SV *cb)
		1514	CODE:
		1515	SvREFCNT_dec (on_next_submit);
		1516	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192		1517
1193	DB_ENV *	1518	DB_ENV *
1194	db_env_create (U32 env_flags = 0)	1519	db_env_create (U32 env_flags = 0)
1195	CODE:	1520	CODE:
1196	{	1521	{
1197	errno = db_env_create (&RETVAL, env_flags);	1522	errno = db_env_create (&RETVAL, env_flags);
1198	if (errno)	1523	if (errno)
1199	croak ("db_env_create: %s", db_strerror (errno));	1524	croak ("db_env_create: %s", db_strerror (errno));
		1525
		1526	if (0)
		1527	{
		1528	RETVAL->set_errcall (RETVAL, debug_errcall);
		1529	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1530	}
1200	}	1531	}
1201	OUTPUT:	1532	OUTPUT:
1202	RETVAL	1533	RETVAL
1203		1534
1204	void	1535	void
1205	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1536	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1206	CODE:	1539	CODE:
1207	{	1540	{
1208	env->set_thread_count (env, get_nthreads ());
1209
1210	dREQ (REQ_ENV_OPEN);	1541	dREQ (REQ_ENV_OPEN, 1);
1211	req->env = env;	1542	req->env = env;
1212	req->uint1 = open_flags \| DB_THREAD;	1543	req->uint1 = open_flags \| DB_THREAD;
1213	req->int1 = mode;	1544	req->int1 = mode;
1214	req->buf1 = strdup_ornull (db_home);	1545	req->buf1 = strdup_ornull (db_home);
1215	REQ_SEND;	1546	REQ_SEND;
1216	}	1547	}
1217		1548
1218	void	1549	void
1219	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1550	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1551	PREINIT:
		1552	CALLBACK
1220	CODE:	1553	CODE:
1221	{	1554	{
1222	dREQ (REQ_ENV_CLOSE);	1555	dREQ (REQ_ENV_CLOSE, 0);
		1556	ptr_nuke (ST (0));
1223	req->env = env;	1557	req->env = env;
1224	req->uint1 = flags;	1558	req->uint1 = flags;
1225	REQ_SEND;	1559	REQ_SEND;
1226	ptr_nuke (ST (0));
1227	}	1560	}
1228		1561
1229	void	1562	void
1230	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)	1563	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1564	PREINIT:
		1565	CALLBACK
1231	CODE:	1566	CODE:
1232	{	1567	{
1233	dREQ (REQ_ENV_TXN_CHECKPOINT);	1568	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
1234	req->env = env;	1569	req->env = env;
1235	req->uint1 = kbyte;	1570	req->uint1 = kbyte;
1236	req->int1 = min;	1571	req->int1 = min;
1237	req->uint2 = flags;	1572	req->uint2 = flags;
1238	REQ_SEND;	1573	REQ_SEND;
1239	}	1574	}
1240		1575
1241	void	1576	void
1242	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)	1577	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1578	PREINIT:
		1579	CALLBACK
1243	CODE:	1580	CODE:
1244	{	1581	{
1245	dREQ (REQ_ENV_LOCK_DETECT);	1582	dREQ (REQ_ENV_LOCK_DETECT, 1);
1246	req->env = env;	1583	req->env = env;
1247	req->uint1 = flags;	1584	req->uint1 = flags;
1248	req->uint2 = atype;	1585	req->uint2 = atype;
		1586	/* req->int2 = 0; dummy */
1249	REQ_SEND;	1587	REQ_SEND;
1250	}	1588	}
1251		1589
1252	void	1590	void
1253	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)	1591	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
1254	CODE:	1594	CODE:
1255	{	1595	{
1256	dREQ (REQ_ENV_MEMP_SYNC);	1596	dREQ (REQ_ENV_MEMP_SYNC, 1);
1257	req->env = env;	1597	req->env = env;
1258	REQ_SEND;	1598	REQ_SEND;
1259	}	1599	}
1260		1600
1261	void	1601	void
1262	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)	1602	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1603	PREINIT:
		1604	CALLBACK
1263	CODE:	1605	CODE:
1264	{	1606	{
1265	dREQ (REQ_ENV_MEMP_TRICKLE);	1607	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
1266	req->env = env;	1608	req->env = env;
1267	req->int1 = percent;	1609	req->int1 = percent;
1268	REQ_SEND;	1610	REQ_SEND;
1269	}	1611	}
1270		1612
		1613	void
		1614	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1615	PREINIT:
		1616	CALLBACK
		1617	CODE:
		1618	{
		1619	dREQ (REQ_ENV_DBREMOVE, 2);
		1620	req->env = env;
		1621	req->buf1 = strdup_ornull (file);
		1622	req->buf2 = strdup_ornull (database);
		1623	req->uint1 = flags;
		1624	REQ_SEND;
		1625	}
		1626
		1627	void
		1628	db_env_dbrename (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1629	PREINIT:
		1630	CALLBACK
		1631	CODE:
		1632	{
		1633	dREQ (REQ_ENV_DBRENAME, 2);
		1634	req->env = env;
		1635	req->buf1 = strdup_ornull (file);
		1636	req->buf2 = strdup_ornull (database);
		1637	req->buf3 = strdup_ornull (newname);
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	}
1271		1641
1272	DB *	1642	DB *
1273	db_create (DB_ENV *env = 0, U32 flags = 0)	1643	db_create (DB_ENV *env = 0, U32 flags = 0)
1274	CODE:	1644	CODE:
1275	{	1645	{
…		…
1282	}	1652	}
1283	OUTPUT:	1653	OUTPUT:
1284	RETVAL	1654	RETVAL
1285		1655
1286	void	1656	void
1287	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1657	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
1288	CODE:	1660	CODE:
1289	{	1661	{
1290	dREQ (REQ_DB_OPEN);	1662	dREQ (REQ_DB_OPEN, 2);
1291	req->db = db;	1663	req->db = db;
1292	req->txn = txnid;	1664	req->txn = txnid;
1293	req->buf1 = strdup_ornull (file);	1665	req->buf1 = strdup_ornull (file);
1294	req->buf2 = strdup_ornull (database);	1666	req->buf2 = strdup_ornull (database);
1295	req->int1 = type;	1667	req->int1 = type;
…		…
1297	req->int2 = mode;	1669	req->int2 = mode;
1298	REQ_SEND;	1670	REQ_SEND;
1299	}	1671	}
1300		1672
1301	void	1673	void
1302	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1674	db_close (DB db, U32 flags = 0, SV callback = 0)
		1675	PREINIT:
		1676	CALLBACK
1303	CODE:	1677	CODE:
1304	{	1678	{
1305	dREQ (REQ_DB_CLOSE);	1679	dREQ (REQ_DB_CLOSE, 0);
		1680	ptr_nuke (ST (0));
1306	req->db = db;	1681	req->db = db;
1307	req->uint1 = flags;	1682	req->uint1 = flags;
1308	req->sv1 = (SV *)db->app_private;	1683	req->sv1 = (SV *)db->app_private;
1309	REQ_SEND;	1684	REQ_SEND;
1310	ptr_nuke (ST (0));
1311	}	1685	}
1312		1686
		1687	#if DB_VERSION_MINOR >= 4
		1688
1313	void	1689	void
1314	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)	1690	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = 0)
		1691	PREINIT:
		1692	CALLBACK
1315	CODE:	1693	CODE:
1316	{	1694	{
1317	dREQ (REQ_DB_COMPACT);	1695	dREQ (REQ_DB_COMPACT, 2);
1318	req->db = db;	1696	req->db = db;
1319	req->txn = txn;	1697	req->txn = txn;
1320	sv_to_dbt (&req->dbt1, start);	1698	sv_to_dbt (&req->dbt1, start);
1321	sv_to_dbt (&req->dbt2, stop);	1699	sv_to_dbt (&req->dbt2, stop);
1322	req->uint1 = flags;	1700	req->uint1 = flags;
1323	REQ_SEND;	1701	REQ_SEND;
1324	}	1702	}
1325		1703
		1704	#endif
		1705
1326	void	1706	void
1327	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1707	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1708	PREINIT:
		1709	CALLBACK
1328	CODE:	1710	CODE:
1329	{	1711	{
1330	dREQ (REQ_DB_SYNC);	1712	dREQ (REQ_DB_SYNC, 1);
1331	req->db = db;	1713	req->db = db;
1332	req->uint1 = flags;	1714	req->uint1 = flags;
1333	REQ_SEND;	1715	REQ_SEND;
1334	}	1716	}
1335		1717
1336	void	1718	void
		1719	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1720	PREINIT:
		1721	CALLBACK
		1722	CODE:
		1723	{
		1724	dREQ (REQ_DB_SYNC, 1);
		1725	req->db = db;
		1726	req->buf1 = strdup (file);
		1727	req->uint1 = flags;
		1728	REQ_SEND;
		1729	}
		1730
		1731	void
1337	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1732	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1733	PREINIT:
		1734	CALLBACK
1338	CODE:	1735	CODE:
1339	{	1736	{
1340	dREQ (REQ_DB_KEY_RANGE);	1737	dREQ (REQ_DB_KEY_RANGE, 2);
1341	req->db = db;	1738	req->db = db;
1342	req->txn = txn;	1739	req->txn = txn;
1343	sv_to_dbt (&req->dbt1, key);	1740	sv_to_dbt (&req->dbt1, key);
1344	req->uint1 = flags;	1741	req->uint1 = flags;
1345	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1742	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1346	REQ_SEND;	1743	REQ_SEND;
1347	}	1744	}
1348		1745
1349	void	1746	void
1350	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1747	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1748	PREINIT:
		1749	CALLBACK
1351	CODE:	1750	CODE:
1352	{	1751	{
1353	dREQ (REQ_DB_PUT);	1752	dREQ (REQ_DB_PUT, 2);
1354	req->db = db;	1753	req->db = db;
1355	req->txn = txn;	1754	req->txn = txn;
1356	sv_to_dbt (&req->dbt1, key);	1755	sv_to_dbt (&req->dbt1, key);
1357	sv_to_dbt (&req->dbt2, data);	1756	sv_to_dbt (&req->dbt2, data);
1358	req->uint1 = flags;	1757	req->uint1 = flags;
1359	REQ_SEND;	1758	REQ_SEND;
1360	}	1759	}
1361		1760
		1761	#if DB_VERSION_MINOR >= 6
		1762
1362	void	1763	void
		1764	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1765	PREINIT:
		1766	CALLBACK
		1767	CODE:
		1768	{
		1769	dREQ (REQ_DB_EXISTS, 2);
		1770	req->db = db;
		1771	req->txn = txn;
		1772	req->uint1 = flags;
		1773	sv_to_dbt (&req->dbt1, key);
		1774	REQ_SEND;
		1775	}
		1776
		1777	#endif
		1778
		1779	void
1363	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1780	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
1364	CODE:	1783	CODE:
1365	{	1784	{
		1785	//TODO: key is somtimesmutable
1366	dREQ (REQ_DB_GET);	1786	dREQ (REQ_DB_GET, 2);
1367	req->db = db;	1787	req->db = db;
1368	req->txn = txn;	1788	req->txn = txn;
1369	req->uint1 = flags;	1789	req->uint1 = flags;
1370	sv_to_dbt (&req->dbt1, key);	1790	sv_to_dbt (&req->dbt1, key);
1371	req->dbt3.flags = DB_DBT_MALLOC;	1791	req->dbt3.flags = DB_DBT_MALLOC;
1372	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1792	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1373	REQ_SEND;	1793	REQ_SEND;
1374	}	1794	}
1375		1795
1376	void	1796	void
1377	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1797	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1798	PREINIT:
		1799	CALLBACK
1378	CODE:	1800	CODE:
1379	{	1801	{
		1802	//TODO: key is somtimesmutable
1380	dREQ (REQ_DB_PGET);	1803	dREQ (REQ_DB_PGET, 2);
		1804	req->db = db;
		1805	req->txn = txn;
		1806	req->uint1 = flags;
		1807
		1808	sv_to_dbt (&req->dbt1, key);
		1809
		1810	req->dbt2.flags = DB_DBT_MALLOC;
		1811	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1812
		1813	req->dbt3.flags = DB_DBT_MALLOC;
		1814	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1815	REQ_SEND;
		1816	}
		1817
		1818	void
		1819	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1820	PREINIT:
		1821	CALLBACK
		1822	CODE:
		1823	{
		1824	dREQ (REQ_DB_DEL, 2);
1381	req->db = db;	1825	req->db = db;
1382	req->txn = txn;	1826	req->txn = txn;
1383	req->uint1 = flags;	1827	req->uint1 = flags;
1384	sv_to_dbt (&req->dbt1, key);	1828	sv_to_dbt (&req->dbt1, key);
1385	sv_to_dbt (&req->dbt2, pkey);
1386	req->dbt3.flags = DB_DBT_MALLOC;
1387	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1388	REQ_SEND;	1829	REQ_SEND;
1389	}	1830	}
1390		1831
1391	void	1832	void
1392	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1833	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1834	PREINIT:
		1835	CALLBACK
1393	CODE:	1836	CODE:
1394	{	1837	{
1395	dREQ (REQ_DB_DEL);	1838	dREQ (REQ_TXN_COMMIT, 0);
1396	req->db = db;	1839	ptr_nuke (ST (0));
1397	req->txn = txn;	1840	req->txn = txn;
1398	req->uint1 = flags;	1841	req->uint1 = flags;
1399	sv_to_dbt (&req->dbt1, key);
1400	REQ_SEND;	1842	REQ_SEND;
1401	}	1843	}
1402		1844
1403	void	1845	void
1404	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1846	db_txn_abort (DB_TXN txn, SV callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1405	CODE:	1849	CODE:
1406	{	1850	{
1407	dREQ (REQ_TXN_COMMIT);	1851	dREQ (REQ_TXN_ABORT, 0);
		1852	ptr_nuke (ST (0));
		1853	req->txn = txn;
		1854	REQ_SEND;
		1855	}
		1856
		1857	void
		1858	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1859	PREINIT:
		1860	CALLBACK
		1861	CODE:
		1862	{
		1863	dREQ (REQ_TXN_FINISH, 0);
		1864	ptr_nuke (ST (0));
1408	req->txn = txn;	1865	req->txn = txn;
1409	req->uint1 = flags;	1866	req->uint1 = flags;
1410	REQ_SEND;	1867	REQ_SEND;
		1868	}
		1869
		1870	void
		1871	db_c_close (DBC dbc, SV callback = 0)
		1872	PREINIT:
		1873	CALLBACK
		1874	CODE:
		1875	{
		1876	dREQ (REQ_C_CLOSE, 0);
1411	ptr_nuke (ST (0));	1877	ptr_nuke (ST (0));
1412	}
1413
1414	void
1415	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1416	CODE:
1417	{
1418	dREQ (REQ_TXN_ABORT);
1419	req->txn = txn;
1420	REQ_SEND;
1421	ptr_nuke (ST (0));
1422	}
1423
1424	void
1425	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1426	CODE:
1427	{
1428	dREQ (REQ_C_CLOSE);
1429	req->dbc = dbc;	1878	req->dbc = dbc;
1430	REQ_SEND;	1879	REQ_SEND;
1431	ptr_nuke (ST (0));
1432	}	1880	}
1433		1881
1434	void	1882	void
1435	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	1883	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		1884	PREINIT:
		1885	CALLBACK
1436	CODE:	1886	CODE:
1437	{	1887	{
1438	dREQ (REQ_C_COUNT);	1888	dREQ (REQ_C_COUNT, 1);
1439	req->dbc = dbc;	1889	req->dbc = dbc;
1440	req->sv1 = SvREFCNT_inc (count);	1890	req->sv1 = SvREFCNT_inc (count);
1441	REQ_SEND;	1891	REQ_SEND;
1442	}	1892	}
1443		1893
1444	void	1894	void
1445	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1895	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		1896	PREINIT:
		1897	CALLBACK
1446	CODE:	1898	CODE:
1447	{	1899	{
1448	dREQ (REQ_C_PUT);	1900	dREQ (REQ_C_PUT, 1);
1449	req->dbc = dbc;	1901	req->dbc = dbc;
1450	sv_to_dbt (&req->dbt1, key);	1902	sv_to_dbt (&req->dbt1, key);
1451	sv_to_dbt (&req->dbt2, data);	1903	sv_to_dbt (&req->dbt2, data);
1452	req->uint1 = flags;	1904	req->uint1 = flags;
1453	REQ_SEND;	1905	REQ_SEND;
1454	}	1906	}
1455		1907
1456	void	1908	void
1457	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1909	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		1910	PREINIT:
		1911	CALLBACK
1458	CODE:	1912	CODE:
1459	{	1913	{
		1914	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1915	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1916
1460	dREQ (REQ_C_GET);	1917	dREQ (REQ_C_GET, 1);
1461	req->dbc = dbc;	1918	req->dbc = dbc;
1462	req->uint1 = flags;	1919	req->uint1 = flags;
1463	if ((flags & DB_SET) == DB_SET	1920	if (flags & DB_OPFLAGS_MASK == DB_SET)
1464	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1465	sv_to_dbt (&req->dbt1, key);	1921	sv_to_dbt (&req->dbt1, key);
1466	else	1922	else
		1923	{
		1924	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1925	sv_to_dbt (&req->dbt1, key);
		1926	else
1467	req->dbt1.flags = DB_DBT_MALLOC;	1927	req->dbt1.flags = DB_DBT_MALLOC;
1468		1928
1469	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	1929	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1930	}
1470		1931
1471	if ((flags & DB_GET_BOTH) == DB_GET_BOTH	1932	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1472	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)	1933	\|\| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1473	sv_to_dbt (&req->dbt3, data);	1934	sv_to_dbt (&req->dbt3, data);
1474	else	1935	else
1475	req->dbt3.flags = DB_DBT_MALLOC;	1936	req->dbt3.flags = DB_DBT_MALLOC;
1476		1937
1477	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1938	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1478	REQ_SEND;	1939	REQ_SEND;
1479	}	1940	}
1480		1941
1481	void	1942	void
1482	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1943	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1944	PREINIT:
		1945	CALLBACK
1483	CODE:	1946	CODE:
1484	{	1947	{
		1948	if (flags & DB_OPFLAGS_MASK != DB_SET && SvREADONLY (key))
		1949	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1950
1485	dREQ (REQ_C_PGET);	1951	dREQ (REQ_C_PGET, 1);
1486	req->dbc = dbc;	1952	req->dbc = dbc;
1487	req->uint1 = flags;	1953	req->uint1 = flags;
1488	if ((flags & DB_SET) == DB_SET	1954	if (flags & DB_OPFLAGS_MASK == DB_SET)
1489	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1490	sv_to_dbt (&req->dbt1, key);	1955	sv_to_dbt (&req->dbt1, key);
1491	else	1956	else
		1957	{
		1958	if (flags & DB_OPFLAGS_MASK == DB_SET_RANGE)
		1959	sv_to_dbt (&req->dbt1, key);
		1960	else
1492	req->dbt1.flags = DB_DBT_MALLOC;	1961	req->dbt1.flags = DB_DBT_MALLOC;
1493		1962
1494	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);	1963	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1964	}
1495		1965
1496	req->dbt2.flags = DB_DBT_MALLOC;	1966	req->dbt2.flags = DB_DBT_MALLOC;
1497	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);	1967	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1498		1968
1499	if ((flags & DB_GET_BOTH) == DB_GET_BOTH	1969	if (flags & DB_OPFLAGS_MASK == DB_GET_BOTH
1500	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)	1970	\|\| flags & DB_OPFLAGS_MASK == DB_GET_BOTH_RANGE)
1501	sv_to_dbt (&req->dbt3, data);	1971	sv_to_dbt (&req->dbt3, data);
1502	else	1972	else
1503	req->dbt3.flags = DB_DBT_MALLOC;	1973	req->dbt3.flags = DB_DBT_MALLOC;
1504		1974
1505	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1975	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1506	REQ_SEND;	1976	REQ_SEND;
1507	}	1977	}
1508		1978
1509	void	1979	void
1510	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)	1980	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		1981	PREINIT:
		1982	CALLBACK
1511	CODE:	1983	CODE:
1512	{	1984	{
1513	dREQ (REQ_C_DEL);	1985	dREQ (REQ_C_DEL, 1);
1514	req->dbc = dbc;	1986	req->dbc = dbc;
1515	req->uint1 = flags;	1987	req->uint1 = flags;
1516	REQ_SEND;	1988	REQ_SEND;
1517	}	1989	}
1518		1990
1519		1991
		1992	#if DB_VERSION_MINOR >= 3
		1993
1520	void	1994	void
1521	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1995	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		1996	PREINIT:
		1997	CALLBACK
1522	CODE:	1998	CODE:
1523	{	1999	{
1524	dREQ (REQ_SEQ_OPEN);	2000	dREQ (REQ_SEQ_OPEN, 2);
1525	req->seq = seq;	2001	req->seq = seq;
1526	req->txn = txnid;	2002	req->txn = txnid;
1527	req->uint1 = flags \| DB_THREAD;	2003	req->uint1 = flags \| DB_THREAD;
1528	sv_to_dbt (&req->dbt1, key);	2004	sv_to_dbt (&req->dbt1, key);
1529	REQ_SEND;	2005	REQ_SEND;
1530	}	2006	}
1531		2007
1532	void	2008	void
1533	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)	2009	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2010	PREINIT:
		2011	CALLBACK
1534	CODE:	2012	CODE:
1535	{	2013	{
1536	dREQ (REQ_SEQ_CLOSE);	2014	dREQ (REQ_SEQ_CLOSE, 0);
		2015	ptr_nuke (ST (0));
1537	req->seq = seq;	2016	req->seq = seq;
1538	req->uint1 = flags;	2017	req->uint1 = flags;
1539	REQ_SEND;	2018	REQ_SEND;
1540	ptr_nuke (ST (0));
1541	}	2019	}
1542		2020
1543	void	2021	void
1544	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = &PL_sv_undef)	2022	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2023	PREINIT:
		2024	CALLBACK
1545	CODE:	2025	CODE:
1546	{	2026	{
1547	dREQ (REQ_SEQ_GET);	2027	dREQ (REQ_SEQ_GET, 2);
1548	req->seq = seq;	2028	req->seq = seq;
1549	req->txn = txnid;	2029	req->txn = txnid;
1550	req->int1 = delta;	2030	req->int1 = delta;
1551	req->uint1 = flags;	2031	req->uint1 = flags;
1552	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	2032	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1553	REQ_SEND;	2033	REQ_SEND;
1554	}	2034	}
1555		2035
1556	void	2036	void
1557	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	2037	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2038	PREINIT:
		2039	CALLBACK
1558	CODE:	2040	CODE:
1559	{	2041	{
1560	dREQ (REQ_SEQ_REMOVE);	2042	dREQ (REQ_SEQ_REMOVE, 2);
1561	req->seq = seq;	2043	req->seq = seq;
1562	req->txn = txnid;	2044	req->txn = txnid;
1563	req->uint1 = flags;	2045	req->uint1 = flags;
1564	REQ_SEND;	2046	REQ_SEND;
1565	}	2047	}
1566		2048
		2049	#endif
		2050
1567		2051
1568	MODULE = BDB PACKAGE = BDB::Env	2052	MODULE = BDB PACKAGE = BDB::Env
1569		2053
1570	void	2054	void
1571	DESTROY (DB_ENV_ornull *env)	2055	DESTROY (DB_ENV_ornuked *env)
1572	CODE:	2056	CODE:
1573	if (env)	2057	if (env)
1574	env->close (env, 0);	2058	env->close (env, 0);
1575		2059
1576	int set_data_dir (DB_ENV env, const char dir)	2060	int set_data_dir (DB_ENV env, const char dir)
…		…
1601	CODE:	2085	CODE:
1602	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2086	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603	OUTPUT:	2087	OUTPUT:
1604	RETVAL	2088	RETVAL
1605		2089
1606	int set_flags (DB_ENV *env, U32 flags, int onoff)	2090	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607	CODE:	2091	CODE:
1608	RETVAL = env->set_flags (env, flags, onoff);	2092	RETVAL = env->set_flags (env, flags, onoff);
1609	OUTPUT:	2093	OUTPUT:
1610	RETVAL	2094	RETVAL
1611		2095
		2096	#if DB_VERSION_MINOR >= 7
		2097
		2098	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2099	CODE:
		2100	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2101	OUTPUT:
		2102	RETVAL
		2103
		2104	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2105	CODE:
		2106	RETVAL = env->log_set_config (env, flags, onoff);
		2107	OUTPUT:
		2108	RETVAL
		2109
		2110	#endif
		2111
		2112
		2113	void set_errfile (DB_ENV env, FILE errfile = 0)
		2114	CODE:
		2115	env->set_errfile (env, errfile);
		2116
		2117	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		2118	CODE:
		2119	env->set_msgfile (env, msgfile);
		2120
		2121	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2122	CODE:
		2123	RETVAL = env->set_verbose (env, which, onoff);
		2124	OUTPUT:
		2125	RETVAL
		2126
1612	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	2127	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1613	CODE:	2128	CODE:
1614	RETVAL = env->set_encrypt (env, password, flags);	2129	RETVAL = env->set_encrypt (env, password, flags);
1615	OUTPUT:	2130	OUTPUT:
1616	RETVAL	2131	RETVAL
1617		2132
1618	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2133	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619	CODE:	2134	CODE:
1620	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2135	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621	OUTPUT:	2136	OUTPUT:
1622	RETVAL	2137	RETVAL
1623		2138
…		…
1672	int set_lg_max (DB_ENV *env, U32 max)	2187	int set_lg_max (DB_ENV *env, U32 max)
1673	CODE:	2188	CODE:
1674	RETVAL = env->set_lg_max (env, max);	2189	RETVAL = env->set_lg_max (env, max);
1675	OUTPUT:	2190	OUTPUT:
1676	RETVAL	2191	RETVAL
		2192
		2193	#if DB_VERSION_MINOR >= 4
		2194
		2195	int mutex_set_max (DB_ENV *env, U32 max)
		2196	CODE:
		2197	RETVAL = env->mutex_set_max (env, max);
		2198	OUTPUT:
		2199	RETVAL
		2200
		2201	int mutex_set_increment (DB_ENV *env, U32 increment)
		2202	CODE:
		2203	RETVAL = env->mutex_set_increment (env, increment);
		2204	OUTPUT:
		2205	RETVAL
		2206
		2207	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2208	CODE:
		2209	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2210	OUTPUT:
		2211	RETVAL
		2212
		2213	int mutex_set_align (DB_ENV *env, U32 align)
		2214	CODE:
		2215	RETVAL = env->mutex_set_align (env, align);
		2216	OUTPUT:
		2217	RETVAL
		2218
		2219	#endif
1677		2220
1678	DB_TXN *	2221	DB_TXN *
1679	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2222	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1680	CODE:	2223	CODE:
1681	errno = env->txn_begin (env, parent, &RETVAL, flags);	2224	errno = env->txn_begin (env, parent, &RETVAL, flags);
1682	if (errno)	2225	if (errno)
1683	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2226	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1684	OUTPUT:	2227	OUTPUT:
1685	RETVAL	2228	RETVAL
1686		2229
		2230	#if DB_VERSION_MINOR >= 5
		2231
		2232	DB_TXN *
		2233	cdsgroup_begin (DB_ENV *env)
		2234	CODE:
		2235	errno = env->cdsgroup_begin (env, &RETVAL);
		2236	if (errno)
		2237	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2238	OUTPUT:
		2239	RETVAL
		2240
		2241	#endif
		2242
1687	MODULE = BDB PACKAGE = BDB::Db	2243	MODULE = BDB PACKAGE = BDB::Db
1688		2244
1689	void	2245	void
1690	DESTROY (DB_ornull *db)	2246	DESTROY (DB_ornuked *db)
1691	CODE:	2247	CODE:
1692	if (db)	2248	if (db)
1693	{	2249	{
1694	SV env = (SV )db->app_private;	2250	SV env = (SV )db->app_private;
1695	db->close (db, 0);	2251	db->close (db, 0);
…		…
1700	CODE:	2256	CODE:
1701	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2257	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702	OUTPUT:	2258	OUTPUT:
1703	RETVAL	2259	RETVAL
1704		2260
1705	int set_flags (DB *db, U32 flags);	2261	int set_flags (DB *db, U32 flags)
1706	CODE:	2262	CODE:
1707	RETVAL = db->set_flags (db, flags);	2263	RETVAL = db->set_flags (db, flags);
1708	OUTPUT:	2264	OUTPUT:
1709	RETVAL	2265	RETVAL
1710		2266
…		…
1724	CODE:	2280	CODE:
1725	RETVAL = db->set_bt_minkey (db, minkey);	2281	RETVAL = db->set_bt_minkey (db, minkey);
1726	OUTPUT:	2282	OUTPUT:
1727	RETVAL	2283	RETVAL
1728		2284
1729	int set_re_delim(DB *db, int delim);	2285	int set_re_delim (DB *db, int delim)
1730	CODE:	2286	CODE:
1731	RETVAL = db->set_re_delim (db, delim);	2287	RETVAL = db->set_re_delim (db, delim);
1732	OUTPUT:	2288	OUTPUT:
1733	RETVAL	2289	RETVAL
1734		2290
…		…
1775	if (errno)	2331	if (errno)
1776	croak ("DB->cursor: %s", db_strerror (errno));	2332	croak ("DB->cursor: %s", db_strerror (errno));
1777	OUTPUT:	2333	OUTPUT:
1778	RETVAL	2334	RETVAL
1779		2335
		2336	#if DB_VERSION_MINOR >= 3
		2337
1780	DB_SEQUENCE *	2338	DB_SEQUENCE *
1781	sequence (DB *db, U32 flags = 0)	2339	sequence (DB *db, U32 flags = 0)
1782	CODE:	2340	CODE:
1783	{	2341	{
1784	errno = db_sequence_create (&RETVAL, db, flags);	2342	errno = db_sequence_create (&RETVAL, db, flags);
…		…
1786	croak ("db_sequence_create: %s", db_strerror (errno));	2344	croak ("db_sequence_create: %s", db_strerror (errno));
1787	}	2345	}
1788	OUTPUT:	2346	OUTPUT:
1789	RETVAL	2347	RETVAL
1790		2348
		2349	#endif
		2350
1791		2351
1792	MODULE = BDB PACKAGE = BDB::Txn	2352	MODULE = BDB PACKAGE = BDB::Txn
1793		2353
1794	void	2354	void
1795	DESTROY (DB_TXN_ornull *txn)	2355	DESTROY (DB_TXN_ornuked *txn)
1796	CODE:	2356	CODE:
1797	if (txn)	2357	if (txn)
1798	txn->abort (txn);	2358	txn->abort (txn);
1799		2359
1800	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2360	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801	CODE:	2361	CODE:
1802	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2362	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803	OUTPUT:	2363	OUTPUT:
1804	RETVAL	2364	RETVAL
1805		2365
		2366	int failed (DB_TXN *txn)
		2367	CODE:
		2368	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2369	OUTPUT:
		2370	RETVAL
		2371
1806		2372
1807	MODULE = BDB PACKAGE = BDB::Cursor	2373	MODULE = BDB PACKAGE = BDB::Cursor
1808		2374
1809	void	2375	void
1810	DESTROY (DBC_ornull *dbc)	2376	DESTROY (DBC_ornuked *dbc)
1811	CODE:	2377	CODE:
1812	if (dbc)	2378	if (dbc)
1813	dbc->c_close (dbc);	2379	dbc->c_close (dbc);
1814		2380
		2381	#if DB_VERSION_MINOR >= 6
		2382
		2383	int set_priority (DBC *dbc, int priority)
		2384	CODE:
		2385	dbc->set_priority (dbc, priority);
		2386
		2387	#endif
		2388
		2389	#if DB_VERSION_MINOR >= 3
		2390
1815	MODULE = BDB PACKAGE = BDB::Sequence	2391	MODULE = BDB PACKAGE = BDB::Sequence
1816		2392
1817	void	2393	void
1818	DESTROY (DB_SEQUENCE_ornull *seq)	2394	DESTROY (DB_SEQUENCE_ornuked *seq)
1819	CODE:	2395	CODE:
1820	if (seq)	2396	if (seq)
1821	seq->close (seq, 0);	2397	seq->close (seq, 0);
1822		2398
1823	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2399	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1842	CODE:	2418	CODE:
1843	RETVAL = seq->set_range (seq, min, max);	2419	RETVAL = seq->set_range (seq, min, max);
1844	OUTPUT:	2420	OUTPUT:
1845	RETVAL	2421	RETVAL
1846		2422
		2423	#endif
		2424
		2425

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Comparing BDB/BDB.xs (file contents): Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs. Revision 1.56 by root, Mon Sep 29 02:59:08 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.56 by root, Mon Sep 29 02:59:08 2008 UTC