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

Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.63 by root, Tue Oct 21 02:21:25 2008 UTC

…		…
1	/* solaris */	1	#define X_STACKSIZE 1024 * 128 + sizeof (long) * 64 * 1024 / 4
2	#define _POSIX_PTHREAD_SEMANTICS 1
3		2
4	#if __linux && !defined(_GNU_SOURCE)	3	#include "xthread.h"
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		4
11	#include <errno.h>	5	#include <errno.h>
12		6
13	#include "EXTERN.h"	7	#include "EXTERN.h"
14	#include "perl.h"	8	#include "perl.h"
15	#include "XSUB.h"	9	#include "XSUB.h"
16		10
17	#include <pthread.h>	11	// perl stupidly defines these as macros, breaking
		12	// lots and lots of code.
		13	#undef open
		14	#undef close
		15	#undef abort
		16	#undef malloc
		17	#undef free
		18	#undef send
18		19
19	#include <stddef.h>	20	#include <stddef.h>
20	#include <stdlib.h>	21	#include <stdlib.h>
21	#include <errno.h>	22	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	23	#include <sys/types.h>
24	#include <limits.h>	24	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	25	#include <fcntl.h>
27		26
		27	#ifndef _WIN32
		28	# include <sys/time.h>
		29	# include <unistd.h>
		30	#endif
		31
28	#include <db.h>	32	#include <db.h>
		33
		34	#if DB_VERSION_MAJOR != 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 3)
		35	# error you need Berkeley DB 4.3 or a newer 4.x version installed
		36	#endif
29		37
30	/* number of seconds after which idle threads exit */	38	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	39	#define IDLE_TIMEOUT 10
32		40
33	/* wether word reads are potentially non-atomic.	41	typedef SV SV_mutable;
34	* this is conservatice, likely most arches this runs	42
35	* on have atomic word read/writes.	43	typedef DB_ENV DB_ENV_ornull;
36	*/	44	typedef DB_TXN DB_TXN_ornull;
37	#ifndef WORDACCESS_UNSAFE	45	typedef DBC DBC_ornull;
38	# if __i386 \|\| __x86_64	46	typedef DB DB_ornull;
39	# define WORDACCESS_UNSAFE 0	47
40	# else	48	typedef DB_ENV DB_ENV_ornuked;
41	# define WORDACCESS_UNSAFE 1	49	typedef DB_TXN DB_TXN_ornuked;
		50	typedef DBC DBC_ornuked;
		51	typedef DB DB_ornuked;
		52
		53	#if DB_VERSION_MINOR >= 3
		54	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
		55	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
42	# endif	56	#endif
43	#endif
44		57
45	typedef DB_ENV DB_ENV_ornull;	58	typedef char *bdb_filename;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49
50	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;
52		59
53	static SV *prepare_cb;	60	static SV *prepare_cb;
54		61
		62	#if DB_VERSION_MINOR >= 6
		63	# define c_close close
		64	# define c_count count
		65	# define c_del del
		66	# define c_dup dup
		67	# define c_get get
		68	# define c_pget pget
		69	# define c_put put
		70	#endif
		71
55	static inline char *	72	static char *
		73	get_bdb_filename (SV *sv)
		74	{
		75	if (!SvOK (sv))
		76	return 0;
		77
		78	#if _WIN32
		79	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		80	{
		81	STRLEN len;
		82	char *src = SvPVbyte (sv, len);
		83	SV *t1 = sv_newmortal ();
		84	SV *t2 = sv_newmortal ();
		85
		86	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		87	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		88
		89	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		90	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		91	SvPOK_only (t2);
		92	SvPVX (t2)[len] = 0;
		93	SvCUR_set (t2, len);
		94
		95	return SvPVX (t2);
		96	}
		97	#else
		98	return SvPVbyte_nolen (sv);
		99	#endif
		100	}
		101
		102	static void
		103	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		104	{
		105	printf ("err[%s]\n", msg);
		106	}
		107
		108	static void
		109	debug_msgcall (const DB_ENV dbenv, const char msg)
		110	{
		111	printf ("msg[%s]\n", msg);
		112	}
		113
		114	static char *
56	strdup_ornull (const char *s)	115	strdup_ornull (const char *s)
57	{	116	{
58	return s ? strdup (s) : 0;	117	return s ? strdup (s) : 0;
59	}	118	}
60		119
61	static inline void	120	static void
62	sv_to_dbt (DBT dbt, SV sv)	121	sv_to_dbt (DBT dbt, SV sv)
63	{	122	{
64	STRLEN len;	123	STRLEN len;
65	char *data = SvPVbyte (sv, len);	124	char *data = SvPVbyte (sv, len);
66		125
68	memcpy (dbt->data, data, len);	127	memcpy (dbt->data, data, len);
69	dbt->size = len;	128	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	129	dbt->flags = DB_DBT_REALLOC;
71	}	130	}
72		131
73	static inline void	132	static void
74	dbt_to_sv (SV sv, DBT dbt)	133	dbt_to_sv (SV sv, DBT dbt)
75	{	134	{
76	if (sv)	135	if (sv)
77	{	136	{
78	SvREADONLY_off (sv);	137	SvREADONLY_off (sv);
		138
		139	if (dbt->data)
79	sv_setpvn_mg (sv, dbt->data, dbt->size);	140	sv_setpvn_mg (sv, dbt->data, dbt->size);
		141	else
		142	sv_setsv_mg (sv, &PL_sv_undef);
		143
80	SvREFCNT_dec (sv);	144	SvREFCNT_dec (sv);
81	}	145	}
82		146
83	free (dbt->data);	147	free (dbt->data);
84	}	148	}
85		149
86	enum {	150	enum {
87	REQ_QUIT,	151	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	152	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		153	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
		154	REQ_ENV_LOG_ARCHIVE,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	155	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		156	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	157	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91	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,
		159	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	160	};
93		161
94	typedef struct aio_cb	162	typedef struct bdb_cb
95	{	163	{
96	struct aio_cb *volatile next;	164	struct bdb_cb *volatile next;
97	SV *callback;	165	SV *callback;
98	int type, pri, result;	166	int type, pri, result;
99		167
100	DB_ENV *env;	168	DB_ENV *env;
101	DB *db;	169	DB *db;
…		…
103	DBC *dbc;	171	DBC *dbc;
104		172
105	UV uv1;	173	UV uv1;
106	int int1, int2;	174	int int1, int2;
107	U32 uint1, uint2;	175	U32 uint1, uint2;
108	char buf1, buf2;	176	char buf1, buf2, *buf3;
109	SV sv1, sv2, *sv3;	177	SV sv1, sv2, *sv3;
110		178
111	DBT dbt1, dbt2, dbt3;	179	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	180	DB_KEY_RANGE key_range;
		181	#if DB_VERSION_MINOR >= 3
		182	DB_SEQUENCE *seq;
		183	db_seq_t seq_t;
		184	#endif
113		185
		186	SV rsv1, rsv2; // keep some request objects alive
		187	} bdb_cb;
		188
114	typedef aio_cb *aio_req;	189	typedef bdb_cb *bdb_req;
115		190
116	enum {	191	enum {
117	PRI_MIN = -4,	192	PRI_MIN = -4,
118	PRI_MAX = 4,	193	PRI_MAX = 4,
119		194
…		…
122	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	197	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
123	};	198	};
124		199
125	#define AIO_TICKS ((1000000 + 1023) >> 10)	200	#define AIO_TICKS ((1000000 + 1023) >> 10)
126		201
		202	static SV *on_next_submit;
		203
127	static unsigned int max_poll_time = 0;	204	static unsigned int max_poll_time = 0;
128	static unsigned int max_poll_reqs = 0;	205	static unsigned int max_poll_reqs = 0;
129		206
130	/* calculcate time difference in ~1/AIO_TICKS of a second */	207	/* calculcate time difference in ~1/AIO_TICKS of a second */
131	static int tvdiff (struct timeval tv1, struct timeval tv2)	208	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
136		213
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	214	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		215
139	static unsigned int started, idle, wanted;	216	static unsigned int started, idle, wanted;
140		217
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	218	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	219	static mutex_t wrklock = X_MUTEX_INIT;
152		220
153	typedef struct worker {	221	typedef struct worker {
154	/* locked by wrklock */	222	/* locked by wrklock */
155	struct worker prev, next;	223	struct worker prev, next;
156		224
157	pthread_t tid;	225	thread_t tid;
158		226
159	/* locked by reslock, reqlock or wrklock */	227	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	228	bdb_req req; /* currently processed request */
161	void *dbuf;	229	void *dbuf;
162	DIR *dirp;	230	DIR *dirp;
163	} worker;	231	} worker;
164		232
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	233	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	245	}
178		246
179	static volatile unsigned int nreqs, nready, npending;	247	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	248	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	249	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	250	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		251
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	252	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	253	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	254	static cond_t reqwait = X_COND_INIT;
187		255
188	#if WORDACCESS_UNSAFE	256	#if WORDACCESS_UNSAFE
189		257
190	static unsigned int get_nready ()	258	static unsigned int get_nready (void)
191	{	259	{
192	unsigned int retval;	260	unsigned int retval;
193		261
194	LOCK (reqlock);	262	X_LOCK (reqlock);
195	retval = nready;	263	retval = nready;
196	UNLOCK (reqlock);	264	X_UNLOCK (reqlock);
197		265
198	return retval;	266	return retval;
199	}	267	}
200		268
201	static unsigned int get_npending ()	269	static unsigned int get_npending (void)
202	{	270	{
203	unsigned int retval;	271	unsigned int retval;
204		272
205	LOCK (reslock);	273	X_LOCK (reslock);
206	retval = npending;	274	retval = npending;
207	UNLOCK (reslock);	275	X_UNLOCK (reslock);
208		276
209	return retval;	277	return retval;
210	}	278	}
211		279
212	static unsigned int get_nthreads ()	280	static unsigned int get_nthreads (void)
213	{	281	{
214	unsigned int retval;	282	unsigned int retval;
215		283
216	LOCK (wrklock);	284	X_LOCK (wrklock);
217	retval = started;	285	retval = started;
218	UNLOCK (wrklock);	286	X_UNLOCK (wrklock);
219		287
220	return retval;	288	return retval;
221	}	289	}
222		290
223	#else	291	#else
…		…
232	* a somewhat faster data structure might be nice, but	300	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	301	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	302	* per shift, the most expensive operation.
235	*/	303	*/
236	typedef struct {	304	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	305	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	306	int size;
239	} reqq;	307	} reqq;
240		308
241	static reqq req_queue;	309	static reqq req_queue;
242	static reqq res_queue;	310	static reqq res_queue;
243		311
244	int reqq_push (reqq *q, aio_req req)	312	int reqq_push (reqq *q, bdb_req req)
245	{	313	{
246	int pri = req->pri;	314	int pri = req->pri;
247	req->next = 0;	315	req->next = 0;
248		316
249	if (q->qe[pri])	317	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	323	q->qe[pri] = q->qs[pri] = req;
256		324
257	return q->size++;	325	return q->size++;
258	}	326	}
259		327
260	aio_req reqq_shift (reqq *q)	328	bdb_req reqq_shift (reqq *q)
261	{	329	{
262	int pri;	330	int pri;
263		331
264	if (!q->size)	332	if (!q->size)
265	return 0;	333	return 0;
266		334
267	--q->size;	335	--q->size;
268		336
269	for (pri = NUM_PRI; pri--; )	337	for (pri = NUM_PRI; pri--; )
270	{	338	{
271	aio_req req = q->qs[pri];	339	bdb_req req = q->qs[pri];
272		340
273	if (req)	341	if (req)
274	{	342	{
275	if (!(q->qs[pri] = req->next))	343	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	344	q->qe[pri] = 0;
…		…
280	}	348	}
281		349
282	abort ();	350	abort ();
283	}	351	}
284		352
285	static int poll_cb ();	353	static int poll_cb (void);
286	static void req_free (aio_req req);	354	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);
288		355
289	static int req_invoke (aio_req req)	356	static int req_invoke (bdb_req req)
290	{	357	{
291	dSP;	358	switch (req->type)
292
293	if (SvOK (req->callback))
294	{	359	{
		360	case REQ_DB_CLOSE:
		361	SvREFCNT_dec (req->sv1);
		362	break;
		363
		364	case REQ_DB_GET:
		365	case REQ_DB_PGET:
		366	case REQ_C_GET:
		367	case REQ_C_PGET:
		368	case REQ_DB_PUT:
		369	case REQ_C_PUT:
		370	dbt_to_sv (req->sv1, &req->dbt1);
		371	dbt_to_sv (req->sv2, &req->dbt2);
		372	dbt_to_sv (req->sv3, &req->dbt3);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	av = (AV )newRV_noinc ((SV )av);
		384
		385	SvREADONLY_off (req->sv1);
		386	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		387	SvREFCNT_dec (av);
		388	SvREFCNT_dec (req->sv1);
		389	}
		390	break;
		391
		392	#if DB_VERSION_MINOR >= 3
		393	case REQ_SEQ_GET:
		394	SvREADONLY_off (req->sv1);
		395
		396	if (sizeof (IV) > 4)
		397	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		398	else
		399	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		400
		401	SvREFCNT_dec (req->sv1);
		402	break;
		403	#endif
		404
		405	case REQ_ENV_LOG_ARCHIVE:
		406	{
		407	AV *av = newAV ();
		408	char listp = (char )req->buf1;
		409
		410	if (listp)
		411	while (*listp)
		412	av_push (av, newSVpv (*listp, 0)), ++listp;
		413
		414	av = (AV )newRV_noinc ((SV )av);
		415
		416	SvREADONLY_off (req->sv1);
		417	sv_setsv_mg (req->sv1, (SV *)av);
		418	SvREFCNT_dec (av);
		419	SvREFCNT_dec (req->sv1);
		420	}
		421	break;
		422	}
		423
		424	errno = req->result;
		425
		426	if (req->callback)
		427	{
		428	dSP;
		429
295	ENTER;	430	ENTER;
296	SAVETMPS;	431	SAVETMPS;
297	PUSHMARK (SP);	432	PUSHMARK (SP);
298	EXTEND (SP, 1);
299
300	switch (req->type)
301	{
302	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);
304	break;
305
306	case REQ_DB_GET:
307	case REQ_DB_PGET:
308	dbt_to_sv (req->sv3, &req->dbt3);
309	break;
310
311	case REQ_C_GET:
312	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);
316	break;
317	}
318
319	errno = req->result;
320		433
321	PUTBACK;	434	PUTBACK;
322	call_sv (req->callback, G_VOID \| G_EVAL);	435	call_sv (req->callback, G_VOID \| G_EVAL);
323	SPAGAIN;	436	SPAGAIN;
324		437
325	FREETMPS;	438	FREETMPS;
326	LEAVE;	439	LEAVE;
		440
		441	return !SvTRUE (ERRSV);
327	}	442	}
328		443
329	return !SvTRUE (ERRSV);	444	return 1;
330	}	445	}
331		446
332	static void req_free (aio_req req)	447	static void req_free (bdb_req req)
333	{	448	{
		449	SvREFCNT_dec (req->callback);
		450
		451	SvREFCNT_dec (req->rsv1);
		452	SvREFCNT_dec (req->rsv2);
		453
334	free (req->buf1);	454	free (req->buf1);
335	free (req->buf2);	455	free (req->buf2);
		456	free (req->buf3);
		457
336	Safefree (req);	458	Safefree (req);
337	}	459	}
338		460
339	static void aio_proc (void arg);	461	#ifdef USE_SOCKETS_AS_HANDLES
		462	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		463	#else
		464	# define TO_SOCKET(x) (x)
		465	#endif
		466
		467	static void
		468	create_respipe (void)
		469	{
		470	#ifdef _WIN32
		471	int arg; /* argg */
		472	#endif
		473	int old_readfd = respipe [0];
		474
		475	if (respipe [1] >= 0)
		476	respipe_close (TO_SOCKET (respipe [1]));
		477
		478	#ifdef _WIN32
		479	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		480	#else
		481	if (pipe (respipe))
		482	#endif
		483	croak ("unable to initialize result pipe");
		484
		485	if (old_readfd >= 0)
		486	{
		487	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		488	croak ("unable to initialize result pipe(2)");
		489
		490	respipe_close (respipe [0]);
		491	respipe [0] = old_readfd;
		492	}
		493
		494	#ifdef _WIN32
		495	arg = 1;
		496	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		497	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		498	#else
		499	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		500	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		501	#endif
		502	croak ("unable to initialize result pipe(3)");
		503
		504	respipe_osf [0] = TO_SOCKET (respipe [0]);
		505	respipe_osf [1] = TO_SOCKET (respipe [1]);
		506	}
		507
		508	static void bdb_request (bdb_req req);
		509	X_THREAD_PROC (bdb_proc);
340		510
341	static void start_thread (void)	511	static void start_thread (void)
342	{	512	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	513	worker *wrk = calloc (1, sizeof (worker));
347		514
348	if (!wrk)	515	if (!wrk)
349	croak ("unable to allocate worker thread data");	516	croak ("unable to allocate worker thread data");
350		517
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	518	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	519	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	520	{
364	wrk->prev = &wrk_first;	521	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	522	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	523	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	524	wrk_first.next = wrk;
368	++started;	525	++started;
369	}	526	}
370	else	527	else
371	free (wrk);	528	free (wrk);
372		529
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	530	X_UNLOCK (wrklock);
375	}	531	}
376		532
377	static void maybe_start_thread ()	533	static void maybe_start_thread (void)
378	{	534	{
379	if (get_nthreads () >= wanted)	535	if (get_nthreads () >= wanted)
380	return;	536	return;
381		537
382	/* todo: maybe use idle here, but might be less exact */	538	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	540	return;
385		541
386	start_thread ();	542	start_thread ();
387	}	543	}
388		544
389	static void req_send (aio_req req)	545	static void req_send (bdb_req req)
390	{	546	{
391	SV *wait_callback = 0;	547	SV *wait_callback = 0;
392		548
393	// synthesize callback if none given	549	if (on_next_submit)
394	if (!SvOK (req->callback))
395	{	550	{
396	dSP;	551	dSP;
		552	SV *cb = sv_2mortal (on_next_submit);
		553
		554	on_next_submit = 0;
		555
397	PUSHMARK (SP);	556	PUSHMARK (SP);
398	PUTBACK;	557	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	558	call_sv (cb, G_DISCARD \| G_EVAL);
400	SPAGAIN;	559	SPAGAIN;
401
402	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");
404
405	wait_callback = SvREFCNT_inc (POPs);
406	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);
408	}	560	}
409		561
		562	// synthesize callback if none given
		563	if (!req->callback)
		564	{
		565	if (SvOK (prepare_cb))
		566	{
		567	int count;
		568
		569	dSP;
		570	PUSHMARK (SP);
		571	PUTBACK;
		572	count = call_sv (prepare_cb, G_ARRAY);
		573	SPAGAIN;
		574
		575	if (count != 2)
		576	croak ("sync prepare callback must return exactly two values\n");
		577
		578	wait_callback = POPs;
		579	req->callback = SvREFCNT_inc (POPs);
		580	}
		581	else
		582	{
		583	// execute request synchronously
		584	bdb_request (req);
		585	req_invoke (req);
		586	req_free (req);
		587	return;
		588	}
		589	}
		590
410	++nreqs;	591	++nreqs;
411		592
412	LOCK (reqlock);	593	X_LOCK (reqlock);
413	++nready;	594	++nready;
414	reqq_push (&req_queue, req);	595	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	596	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	597	X_UNLOCK (reqlock);
417		598
418	maybe_start_thread ();	599	maybe_start_thread ();
419		600
420	if (wait_callback)	601	if (wait_callback)
421	{	602	{
422	dSP;	603	dSP;
423	PUSHMARK (SP);	604	PUSHMARK (SP);
424	PUTBACK;	605	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	606	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	607	}
428	}	608	}
429		609
430	static void end_thread (void)	610	static void end_thread (void)
431	{	611	{
432	aio_req req;	612	bdb_req req = calloc (1, sizeof (bdb_cb));
433
434	Newz (0, req, 1, aio_cb);
435		613
436	req->type = REQ_QUIT;	614	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	615	req->pri = PRI_MAX + PRI_BIAS;
438		616
439	LOCK (reqlock);	617	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	618	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	619	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	620	X_UNLOCK (reqlock);
443		621
444	LOCK (wrklock);	622	X_LOCK (wrklock);
445	--started;	623	--started;
446	UNLOCK (wrklock);	624	X_UNLOCK (wrklock);
447	}	625	}
448		626
449	static void set_max_idle (int nthreads)	627	static void set_max_idle (int nthreads)
450	{	628	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	629	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	630	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	631	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	632	}
455		633
456	static void min_parallel (int nthreads)	634	static void min_parallel (int nthreads)
457	{	635	{
458	if (wanted < nthreads)	636	if (wanted < nthreads)
…		…
466		644
467	while (started > wanted)	645	while (started > wanted)
468	end_thread ();	646	end_thread ();
469	}	647	}
470		648
471	static void poll_wait ()	649	static void poll_wait (void)
472	{	650	{
473	fd_set rfd;	651	fd_set rfd;
474		652
475	while (nreqs)	653	while (nreqs)
476	{	654	{
477	int size;	655	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	656	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	657	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	658	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		659
482	if (size)	660	if (size)
483	return;	661	return;
484		662
485	maybe_start_thread ();	663	maybe_start_thread ();
486		664
487	FD_ZERO(&rfd);	665	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	666	FD_SET (respipe [0], &rfd);
489		667
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	668	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	669	}
492	}	670	}
493		671
494	static int poll_cb ()	672	static int poll_cb (void)
495	{	673	{
496	dSP;	674	dSP;
497	int count = 0;	675	int count = 0;
498	int maxreqs = max_poll_reqs;	676	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	677	int do_croak = 0;
500	struct timeval tv_start, tv_now;	678	struct timeval tv_start, tv_now;
501	aio_req req;	679	bdb_req req;
502		680
503	if (max_poll_time)	681	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	682	gettimeofday (&tv_start, 0);
505		683
506	for (;;)	684	for (;;)
507	{	685	{
508	for (;;)	686	for (;;)
509	{	687	{
510	maybe_start_thread ();	688	maybe_start_thread ();
511		689
512	LOCK (reslock);	690	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	691	req = reqq_shift (&res_queue);
514		692
515	if (req)	693	if (req)
516	{	694	{
517	--npending;	695	--npending;
518		696
519	if (!res_queue.size)	697	if (!res_queue.size)
520	{	698	{
521	/* read any signals sent by the worker threads */	699	/* read any signals sent by the worker threads */
522	char buf [4];	700	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	701	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	702	;
525	}	703	}
526	}	704	}
527		705
528	UNLOCK (reslock);	706	X_UNLOCK (reslock);
529		707
530	if (!req)	708	if (!req)
531	break;	709	break;
532		710
533	--nreqs;	711	--nreqs;
…		…
563	}	741	}
564		742
565	return count;	743	return count;
566	}	744	}
567		745
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	746	/*****************************************************************************/
581		747
582	static void aio_proc (void thr_arg)	748	static void
		749	bdb_request (bdb_req req)
583	{	750	{
		751	switch (req->type)
		752	{
		753	case REQ_ENV_OPEN:
		754	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		755	break;
		756
		757	case REQ_ENV_CLOSE:
		758	req->result = req->env->close (req->env, req->uint1);
		759	break;
		760
		761	case REQ_ENV_TXN_CHECKPOINT:
		762	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		763	break;
		764
		765	case REQ_ENV_LOCK_DETECT:
		766	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		767	break;
		768
		769	case REQ_ENV_MEMP_SYNC:
		770	req->result = req->env->memp_sync (req->env, 0);
		771	break;
		772
		773	case REQ_ENV_MEMP_TRICKLE:
		774	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		775	break;
		776
		777	case REQ_ENV_DBREMOVE:
		778	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		779	break;
		780
		781	case REQ_ENV_DBRENAME:
		782	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		783	break;
		784
		785	case REQ_DB_OPEN:
		786	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		787	break;
		788
		789	case REQ_DB_CLOSE:
		790	req->result = req->db->close (req->db, req->uint1);
		791	break;
		792
		793	#if DB_VERSION_MINOR >= 4
		794	case REQ_DB_COMPACT:
		795	req->result = req->db->compact (req->db, req->txn, req->dbt1.data ? &req->dbt1 : 0, req->dbt2.data ? &req->dbt2 : 0, 0, req->uint1, 0);
		796	break;
		797	#endif
		798
		799	case REQ_DB_SYNC:
		800	req->result = req->db->sync (req->db, req->uint1);
		801	break;
		802
		803	case REQ_DB_UPGRADE:
		804	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		805	break;
		806
		807	case REQ_DB_PUT:
		808	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		809	break;
		810
		811	#if DB_VERSION_MINOR >= 6
		812	case REQ_DB_EXISTS:
		813	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		814	break;
		815	#endif
		816	case REQ_DB_GET:
		817	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		818	break;
		819
		820	case REQ_DB_PGET:
		821	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		822	break;
		823
		824	case REQ_DB_DEL:
		825	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		826	break;
		827
		828	case REQ_DB_KEY_RANGE:
		829	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		830	break;
		831
		832	case REQ_TXN_COMMIT:
		833	req->result = req->txn->commit (req->txn, req->uint1);
		834	break;
		835
		836	case REQ_TXN_ABORT:
		837	req->result = req->txn->abort (req->txn);
		838	break;
		839
		840	case REQ_TXN_FINISH:
		841	if (req->txn->flags & TXN_DEADLOCK)
		842	{
		843	req->result = req->txn->abort (req->txn);
		844	if (!req->result)
		845	req->result = DB_LOCK_DEADLOCK;
		846	}
		847	else
		848	req->result = req->txn->commit (req->txn, req->uint1);
		849	break;
		850
		851	case REQ_C_CLOSE:
		852	req->result = req->dbc->c_close (req->dbc);
		853	break;
		854
		855	case REQ_C_COUNT:
		856	{
		857	db_recno_t recno;
		858	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		859	req->uv1 = recno;
		860	}
		861	break;
		862
		863	case REQ_C_PUT:
		864	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		865	break;
		866
		867	case REQ_C_GET:
		868	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		869	break;
		870
		871	case REQ_C_PGET:
		872	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		873	break;
		874
		875	case REQ_C_DEL:
		876	req->result = req->dbc->c_del (req->dbc, req->uint1);
		877	break;
		878
		879	#if DB_VERSION_MINOR >= 3
		880	case REQ_SEQ_OPEN:
		881	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		882	break;
		883
		884	case REQ_SEQ_CLOSE:
		885	req->result = req->seq->close (req->seq, req->uint1);
		886	break;
		887
		888	case REQ_SEQ_GET:
		889	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		890	break;
		891
		892	case REQ_SEQ_REMOVE:
		893	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		894	break;
		895	#endif
		896
		897	case REQ_ENV_LOG_ARCHIVE:
		898	{
		899	char *listp = 0; / DB_ARCH_REMOVE does not touch listp, contrary to docs */
		900	req->result = req->env->log_archive (req->env, &listp, req->uint1);
		901	req->buf1 = (char *)listp;
		902	}
		903	break;
		904
		905	default:
		906	req->result = ENOSYS;
		907	break;
		908	}
		909
		910	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		911	req->txn->flags \|= TXN_DEADLOCK;
		912	}
		913
		914	X_THREAD_PROC (bdb_proc)
		915	{
584	aio_req req;	916	bdb_req req;
585	struct timespec ts;	917	struct timespec ts;
586	worker self = (worker )thr_arg;	918	worker self = (worker )thr_arg;
587		919
588	/* try to distribute timeouts somewhat evenly */	920	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	921	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		922
592	for (;;)	923	for (;;)
593	{	924	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	925	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		926
596	LOCK (reqlock);	927	X_LOCK (reqlock);
597		928
598	for (;;)	929	for (;;)
599	{	930	{
600	self->req = req = reqq_shift (&req_queue);	931	self->req = req = reqq_shift (&req_queue);
601		932
602	if (req)	933	if (req)
603	break;	934	break;
604		935
605	++idle;	936	++idle;
606		937
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	938	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	939	== ETIMEDOUT)
609	{	940	{
610	if (idle > max_idle)	941	if (idle > max_idle)
611	{	942	{
612	--idle;	943	--idle;
613	UNLOCK (reqlock);	944	X_UNLOCK (reqlock);
614	LOCK (wrklock);	945	X_LOCK (wrklock);
615	--started;	946	--started;
616	UNLOCK (wrklock);	947	X_UNLOCK (wrklock);
617	goto quit;	948	goto quit;
618	}	949	}
619		950
620	/* we are allowed to idle, so do so without any timeout */	951	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	952	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	953	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	954	}
624		955
625	--idle;	956	--idle;
626	}	957	}
627		958
628	--nready;	959	--nready;
629		960
630	UNLOCK (reqlock);	961	X_UNLOCK (reqlock);
631		962
632	switch (req->type)	963	if (req->type == REQ_QUIT)
633	{	964	{
634	case REQ_QUIT:	965	X_LOCK (reslock);
		966	free (req);
		967	self->req = 0;
		968	X_UNLOCK (reslock);
		969
635	goto quit;	970	goto quit;
636
637	case REQ_ENV_OPEN:
638	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
639	break;
640
641	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);
643	break;
644
645	case REQ_DB_OPEN:
646	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
647	break;
648
649	case REQ_DB_CLOSE:
650	req->result = req->db->close (req->db, req->uint1);
651	break;
652
653	case REQ_DB_COMPACT:
654	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
655	break;
656
657	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);
659	break;
660
661	case REQ_DB_PUT:
662	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
663	break;
664
665	case REQ_DB_GET:
666	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
667	break;
668
669	case REQ_DB_PGET:
670	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
671	break;
672
673	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;
676
677	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);
679	break;
680
681	case REQ_TXN_ABORT:
682	req->result = req->txn->abort (req->txn);
683	break;
684
685	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);
687	break;
688
689	case REQ_C_COUNT:
690	{
691	db_recno_t recno;
692	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
693	req->uv1 = recno;
694	}
695	break;
696
697	case REQ_C_PUT:
698	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
699	break;
700
701	case REQ_C_GET:
702	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
703	break;
704
705	case REQ_C_PGET:
706	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
707	break;
708
709	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;
712
713	default:
714	req->result = ENOSYS;
715	break;
716	}	971	}
717		972
		973	bdb_request (req);
		974
718	LOCK (reslock);	975	X_LOCK (reslock);
719		976
720	++npending;	977	++npending;
721		978
722	if (!reqq_push (&res_queue, req))	979	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	980	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	981	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		982
726	self->req = 0;	983	self->req = 0;
727	worker_clear (self);	984	worker_clear (self);
728		985
729	UNLOCK (reslock);	986	X_UNLOCK (reslock);
730	}	987	}
731		988
732	quit:	989	quit:
733	LOCK (wrklock);	990	X_LOCK (wrklock);
734	worker_free (self);	991	worker_free (self);
735	UNLOCK (wrklock);	992	X_UNLOCK (wrklock);
736		993
737	return 0;	994	return 0;
738	}	995	}
739		996
740	/*****************************************************************************/	997	/*****************************************************************************/
741		998
742	static void atfork_prepare (void)	999	static void atfork_prepare (void)
743	{	1000	{
744	LOCK (wrklock);	1001	X_LOCK (wrklock);
745	LOCK (reqlock);	1002	X_LOCK (reqlock);
746	LOCK (reslock);	1003	X_LOCK (reslock);
747	}	1004	}
748		1005
749	static void atfork_parent (void)	1006	static void atfork_parent (void)
750	{	1007	{
751	UNLOCK (reslock);	1008	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	1009	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	1010	X_UNLOCK (wrklock);
754	}	1011	}
755		1012
756	static void atfork_child (void)	1013	static void atfork_child (void)
757	{	1014	{
758	aio_req prv;	1015	bdb_req prv;
759		1016
760	while (prv = reqq_shift (&req_queue))	1017	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	1018	req_free (prv);
762		1019
763	while (prv = reqq_shift (&res_queue))	1020	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	1035	idle = 0;
779	nreqs = 0;	1036	nreqs = 0;
780	nready = 0;	1037	nready = 0;
781	npending = 0;	1038	npending = 0;
782		1039
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	1040	create_respipe ();
786		1041
787	atfork_parent ();	1042	atfork_parent ();
788	}	1043	}
789		1044
790	#define dREQ(reqtype) \	1045	#define dREQ(reqtype,rsvcnt) \
791	aio_req req; \	1046	bdb_req req; \
792	int req_pri = next_pri; \	1047	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	1048	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	1049	\
795	if (SvOK (callback) && !SvROK (callback)) \	1050	if (callback && SvOK (callback)) \
796	croak ("callback must be undef or of reference type"); \	1051	croak ("callback has illegal type or extra arguments"); \
797	\	1052	\
798	Newz (0, req, 1, aio_cb); \	1053	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	1054	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	1055	croak ("out of memory during bdb_req allocation"); \
801	\	1056	\
802	req->callback = newSVsv (callback); \	1057	req->callback = SvREFCNT_inc (cb); \
803	req->type = (reqtype); \	1058	req->type = (reqtype); \
804	req->pri = req_pri	1059	req->pri = req_pri; \
		1060	if (rsvcnt >= 1) req->rsv1 = SvREFCNT_inc (ST (0)); \
		1061	if (rsvcnt >= 2) req->rsv2 = SvREFCNT_inc (ST (1)); \
		1062	(void)0;
805		1063
806	#define REQ_SEND \	1064	#define REQ_SEND \
807	req_send (req)	1065	req_send (req)
808		1066
809	#define SvPTR(var, arg, type, class, nullok) \	1067	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	1068	if (!SvOK (arg)) \
811	{ \	1069	{ \
812	if (!nullok) \	1070	if (nullok != 1) \
813	croak (# var " must be a " # class " object, not undef"); \	1071	croak (# var " must be a " # class " object, not undef"); \
814	\	1072	\
815	(var) = 0; \	1073	(var) = 0; \
816	} \	1074	} \
817	else if (sv_derived_from ((arg), # class)) \	1075	else if (sv_derived_from ((arg), # class)) \
818	{ \	1076	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	1077	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	1078	(var) = INT2PTR (type, tmp); \
821	if (!var) \	1079	if (!var && nullok != 2) \
822	croak (# var " is not a valid " # class " object anymore"); \	1080	croak (# var " is not a valid " # class " object anymore"); \
823	} \	1081	} \
824	else \	1082	else \
825	croak (# var " is not of type " # class); \	1083	croak (# var " is not of type " # class);
826	\	1084
		1085	#define ARG_MUTABLE(name) \
		1086	if (SvREADONLY (name)) \
		1087	croak ("argument " #name " is read-only/constant, but the request requires it to be mutable");
827		1088
828	static void	1089	static void
829	ptr_nuke (SV *sv)	1090	ptr_nuke (SV *sv)
830	{	1091	{
831	assert (SvROK (sv));	1092	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	1093	sv_setiv (SvRV (sv), 0);
833	}	1094	}
		1095
		1096	static int
		1097	errno_get (pTHX_ SV sv, MAGIC mg)
		1098	{
		1099	if (*mg->mg_ptr == '!') // should always be the case
		1100	if (-30999 <= errno && errno <= -30800)
		1101	{
		1102	sv_setnv (sv, (NV)errno);
		1103	sv_setpv (sv, db_strerror (errno));
		1104	SvNOK_on (sv); /* what a wonderful hack! */
		1105	// ^^^ copied from perl sources
		1106	return 0;
		1107	}
		1108
		1109	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1110	}
		1111
		1112	static MGVTBL vtbl_errno;
		1113
		1114	// this wonderful hack :( patches perl's $! variable to support our errno values
		1115	static void
		1116	patch_errno (void)
		1117	{
		1118	SV *sv;
		1119	MAGIC *mg;
		1120
		1121	if (!(sv = get_sv ("!", 1)))
		1122	return;
		1123
		1124	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1125	return;
		1126
		1127	if (mg->mg_virtual != &PL_vtbl_sv)
		1128	return;
		1129
		1130	vtbl_errno = PL_vtbl_sv;
		1131	vtbl_errno.svt_get = errno_get;
		1132	mg->mg_virtual = &vtbl_errno;
		1133	}
		1134
		1135	#if __GNUC__ >= 4
		1136	# define noinline __attribute__ ((noinline))
		1137	#else
		1138	# define noinline
		1139	#endif
		1140
		1141	static noinline SV *
		1142	pop_callback (I32 ritems, SV sv)
		1143	{
		1144	if (SvROK (sv))
		1145	{
		1146	HV *st;
		1147	GV *gvp;
		1148	CV *cv;
		1149	const char *name;
		1150
		1151	/* forgive me */
		1152	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1153	&& (st = SvSTASH (SvRV (sv)))
		1154	&& (name = HvNAME_get (st))
		1155	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1156	return 0;
		1157
		1158	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1159	{
		1160	--*ritems;
		1161	return (SV *)cv;
		1162	}
		1163	}
		1164
		1165	return 0;
		1166	}
		1167
		1168	/* stupid windows defines CALLBACK as well */
		1169	#undef CALLBACK
		1170	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
834		1171
835	MODULE = BDB PACKAGE = BDB	1172	MODULE = BDB PACKAGE = BDB
836		1173
837	PROTOTYPES: ENABLE	1174	PROTOTYPES: ENABLE
838		1175
…		…
854	const_iv (INIT_TXN)	1191	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1192	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1193	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1194	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1195	const_iv (CREATE)
		1196	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1197	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1198	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1199	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1200	const_iv (PRIVATE)
863	const_iv (REGISTER)
864	const_iv (SYSTEM_MEM)	1201	const_iv (SYSTEM_MEM)
865	const_iv (AUTO_COMMIT)	1202	const_iv (AUTO_COMMIT)
866	const_iv (CDB_ALLDB)	1203	const_iv (CDB_ALLDB)
867	const_iv (DIRECT_DB)	1204	const_iv (DIRECT_DB)
868	const_iv (DIRECT_LOG)
869	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1205	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1206	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1207	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1208	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1209	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1210	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1211	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1212	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1213	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1214	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1215	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1216	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1217	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1218	const_iv (XA_CREATE)
…		…
889	const_iv (HASH)	1220	const_iv (HASH)
890	const_iv (QUEUE)	1221	const_iv (QUEUE)
891	const_iv (RECNO)	1222	const_iv (RECNO)
892	const_iv (UNKNOWN)	1223	const_iv (UNKNOWN)
893	const_iv (EXCL)	1224	const_iv (EXCL)
894	const_iv (READ_COMMITTED)
895	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1225	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1226	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1227	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1228	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1229	const_iv (DUP)
902	const_iv (DUPSORT)	1230	const_iv (DUPSORT)
903	const_iv (RECNUM)	1231	//const_iv (RECNUM)
904	const_iv (RENUMBER)	1232	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1233	const_iv (REVSPLITOFF)
906	const_iv (INORDER)
907	const_iv (CONSUME)	1234	const_iv (CONSUME)
908	const_iv (CONSUME_WAIT)	1235	const_iv (CONSUME_WAIT)
909	const_iv (GET_BOTH)	1236	const_iv (GET_BOTH)
910	const_iv (GET_BOTH_RANGE)	1237	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1238	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1239	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1240	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1241	const_iv (JOIN_ITEM)
		1242	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1243	const_iv (RMW)
916		1244
917	const_iv (NOTFOUND)	1245	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1246	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1247	const_iv (LOCK_DEADLOCK)
920	const_iv (LOCK_NOTGRANTED)	1248	const_iv (LOCK_NOTGRANTED)
921	const_iv (RUNRECOVERY)	1249	const_iv (RUNRECOVERY)
922	const_iv (OLD_VERSION)	1250	const_iv (OLD_VERSION)
923	const_iv (REP_HANDLE_DEAD)	1251	const_iv (REP_HANDLE_DEAD)
924	const_iv (REP_LOCKOUT)
925	const_iv (SECONDARY_BAD)	1252	const_iv (SECONDARY_BAD)
926
927	const_iv (FREE_SPACE)
928	const_iv (FREELIST_ONLY)
929		1253
930	const_iv (APPEND)	1254	const_iv (APPEND)
931	const_iv (NODUPDATA)	1255	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1256	const_iv (NOOVERWRITE)
933		1257
934	const_iv (TXN_NOWAIT)	1258	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1259	const_iv (TXN_SYNC)
937		1260
938	const_iv (SET_LOCK_TIMEOUT)	1261	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1262	const_iv (SET_TXN_TIMEOUT)
940		1263
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1264	const_iv (FIRST)
943	const_iv (NEXT)	1265	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1266	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1267	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1268	const_iv (PREV)
…		…
952	const_iv (AFTER)	1274	const_iv (AFTER)
953	const_iv (CURRENT)	1275	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1276	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1277	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1278	const_iv (NODUPDATA)
		1279
		1280	const_iv (FORCE)
		1281
		1282	const_iv (LOCK_DEFAULT)
		1283	const_iv (LOCK_EXPIRE)
		1284	const_iv (LOCK_MAXLOCKS)
		1285	const_iv (LOCK_MINLOCKS)
		1286	const_iv (LOCK_MINWRITE)
		1287	const_iv (LOCK_OLDEST)
		1288	const_iv (LOCK_RANDOM)
		1289	const_iv (LOCK_YOUNGEST)
		1290
		1291	const_iv (DONOTINDEX)
		1292	const_iv (KEYEMPTY )
		1293	const_iv (KEYEXIST )
		1294	const_iv (LOCK_DEADLOCK)
		1295	const_iv (LOCK_NOTGRANTED)
		1296	const_iv (NOSERVER)
		1297	const_iv (NOSERVER_HOME)
		1298	const_iv (NOSERVER_ID)
		1299	const_iv (NOTFOUND)
		1300	const_iv (PAGE_NOTFOUND)
		1301	const_iv (REP_DUPMASTER)
		1302	const_iv (REP_HANDLE_DEAD)
		1303	const_iv (REP_HOLDELECTION)
		1304	const_iv (REP_ISPERM)
		1305	const_iv (REP_NEWMASTER)
		1306	const_iv (REP_NEWSITE)
		1307	const_iv (REP_NOTPERM)
		1308	const_iv (REP_UNAVAIL)
		1309	const_iv (RUNRECOVERY)
		1310	const_iv (SECONDARY_BAD)
		1311	const_iv (VERIFY_BAD)
		1312
		1313	const_iv (ARCH_ABS)
		1314	const_iv (ARCH_DATA)
		1315	const_iv (ARCH_LOG)
		1316	const_iv (ARCH_REMOVE)
		1317
		1318	const_iv (VERB_DEADLOCK)
		1319	const_iv (VERB_RECOVERY)
		1320	const_iv (VERB_REPLICATION)
		1321	const_iv (VERB_WAITSFOR)
		1322
		1323	const_iv (VERSION_MAJOR)
		1324	const_iv (VERSION_MINOR)
		1325	const_iv (VERSION_PATCH)
		1326	#if DB_VERSION_MINOR >= 3
		1327	const_iv (INORDER)
		1328	const_iv (LOCK_MAXWRITE)
		1329	const_iv (SEQ_DEC)
		1330	const_iv (SEQ_INC)
		1331	const_iv (SEQ_WRAP)
		1332	const_iv (BUFFER_SMALL)
		1333	const_iv (LOG_BUFFER_FULL)
		1334	const_iv (VERSION_MISMATCH)
		1335	#endif
		1336	#if DB_VERSION_MINOR >= 4
		1337	const_iv (REGISTER)
		1338	const_iv (DSYNC_DB)
		1339	const_iv (READ_COMMITTED)
		1340	const_iv (READ_UNCOMMITTED)
		1341	const_iv (REP_IGNORE)
		1342	const_iv (REP_LOCKOUT)
		1343	const_iv (REP_JOIN_FAILURE)
		1344	const_iv (FREE_SPACE)
		1345	const_iv (FREELIST_ONLY)
		1346	const_iv (VERB_REGISTER)
		1347	#endif
		1348	#if DB_VERSION_MINOR >= 5
		1349	const_iv (MULTIVERSION)
		1350	const_iv (TXN_SNAPSHOT)
		1351	#endif
		1352	#if DB_VERSION_MINOR >= 6
		1353	const_iv (PREV_DUP)
		1354	const_iv (PRIORITY_UNCHANGED)
		1355	const_iv (PRIORITY_VERY_LOW)
		1356	const_iv (PRIORITY_LOW)
		1357	const_iv (PRIORITY_DEFAULT)
		1358	const_iv (PRIORITY_HIGH)
		1359	const_iv (PRIORITY_VERY_HIGH)
		1360	const_iv (IGNORE_LEASE)
		1361	#endif
		1362	#if DB_VERSION_MINOR >= 7
		1363	//const_iv (MULTIPLE_KEY)
		1364	const_iv (LOG_DIRECT)
		1365	const_iv (LOG_DSYNC)
		1366	const_iv (LOG_AUTO_REMOVE)
		1367	const_iv (LOG_IN_MEMORY)
		1368	const_iv (LOG_ZERO)
		1369	#else
		1370	const_iv (DIRECT_LOG)
		1371	const_iv (LOG_AUTOREMOVE)
		1372	# if DB_VERSION_MINOR >= 3
		1373	const_iv (DSYNC_LOG)
		1374	const_iv (LOG_INMEMORY)
		1375	# endif
		1376	#endif
957	};	1377	};
958		1378
959	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1379	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1380	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1381
962	create_pipe ();	1382	prepare_cb = &PL_sv_undef;
		1383
		1384	{
		1385	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1386	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1387
		1388	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1389	}
		1390
		1391	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1392
		1393	create_respipe ();
		1394
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1395	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1396	patch_errno ();
964	}	1397	}
965		1398
966	void	1399	void
967	max_poll_reqs (int nreqs)	1400	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1401	PROTOTYPE: $
…		…
1087		1520
1088	int	1521	int
1089	nthreads ()	1522	nthreads ()
1090	PROTOTYPE:	1523	PROTOTYPE:
1091	CODE:	1524	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1525	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1526	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1527	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1528	OUTPUT:
1096	RETVAL	1529	RETVAL
1097		1530
1098	void	1531	SV *
1099	set_sync_prepare (SV *cb)	1532	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1533	PROTOTYPE: &
1101	CODE:	1534	CODE:
1102	SvREFCNT_dec (prepare_cb);	1535	RETVAL = prepare_cb;
1103	prepare_cb = newSVsv (cb);	1536	prepare_cb = newSVsv (cb);
		1537	OUTPUT:
		1538	RETVAL
		1539
		1540	char *
		1541	strerror (int errorno = errno)
		1542	PROTOTYPE: ;$
		1543	CODE:
		1544	RETVAL = db_strerror (errorno);
		1545	OUTPUT:
		1546	RETVAL
		1547
		1548	void _on_next_submit (SV *cb)
		1549	CODE:
		1550	SvREFCNT_dec (on_next_submit);
		1551	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1104		1552
1105	DB_ENV *	1553	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1554	db_env_create (U32 env_flags = 0)
1107	CODE:	1555	CODE:
1108	{	1556	{
1109	errno = db_env_create (&RETVAL, env_flags);	1557	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1558	if (errno)
1111	croak ("db_env_create: %s", db_strerror (errno));	1559	croak ("db_env_create: %s", db_strerror (errno));
		1560
		1561	if (0)
		1562	{
		1563	RETVAL->set_errcall (RETVAL, debug_errcall);
		1564	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1565	}
1112	}	1566	}
1113	OUTPUT:	1567	OUTPUT:
1114	RETVAL	1568	RETVAL
1115		1569
1116	void	1570	void
1117	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1571	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = 0)
		1572	PREINIT:
		1573	CALLBACK
1118	CODE:	1574	CODE:
1119	{	1575	{
1120	dREQ (REQ_ENV_OPEN);	1576	dREQ (REQ_ENV_OPEN, 1);
1121	req->env = env;	1577	req->env = env;
1122	req->uint1 = open_flags \| DB_THREAD;	1578	req->uint1 = open_flags \| DB_THREAD;
1123	req->int1 = mode;	1579	req->int1 = mode;
1124	req->buf1 = strdup_ornull (db_home);	1580	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1581	REQ_SEND;
1126	}	1582	}
1127		1583
1128	void	1584	void
1129	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)	1585	db_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)
		1586	PREINIT:
		1587	CALLBACK
1130	CODE:	1588	CODE:
1131	{	1589	{
1132	dREQ (REQ_ENV_CLOSE);	1590	dREQ (REQ_ENV_CLOSE, 0);
		1591	ptr_nuke (ST (0));
1133	req->env = env;	1592	req->env = env;
1134	req->uint1 = flags;	1593	req->uint1 = flags;
1135	REQ_SEND;	1594	REQ_SEND;
1136	ptr_nuke (ST (0));	1595	}
		1596
		1597	void
		1598	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1599	PREINIT:
		1600	CALLBACK
		1601	CODE:
		1602	{
		1603	dREQ (REQ_ENV_TXN_CHECKPOINT, 1);
		1604	req->env = env;
		1605	req->uint1 = kbyte;
		1606	req->int1 = min;
		1607	req->uint2 = flags;
		1608	REQ_SEND;
		1609	}
		1610
		1611	void
		1612	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = 0)
		1613	PREINIT:
		1614	CALLBACK
		1615	CODE:
		1616	{
		1617	dREQ (REQ_ENV_LOCK_DETECT, 1);
		1618	req->env = env;
		1619	req->uint1 = flags;
		1620	req->uint2 = atype;
		1621	/* req->int2 = 0; dummy */
		1622	REQ_SEND;
		1623	}
		1624
		1625	void
		1626	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1627	PREINIT:
		1628	CALLBACK
		1629	CODE:
		1630	{
		1631	dREQ (REQ_ENV_MEMP_SYNC, 1);
		1632	req->env = env;
		1633	REQ_SEND;
		1634	}
		1635
		1636	void
		1637	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1638	PREINIT:
		1639	CALLBACK
		1640	CODE:
		1641	{
		1642	dREQ (REQ_ENV_MEMP_TRICKLE, 1);
		1643	req->env = env;
		1644	req->int1 = percent;
		1645	REQ_SEND;
		1646	}
		1647
		1648	void
		1649	db_env_dbremove (DB_ENV env, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1650	PREINIT:
		1651	CALLBACK
		1652	CODE:
		1653	{
		1654	dREQ (REQ_ENV_DBREMOVE, 2);
		1655	req->env = env;
		1656	req->buf1 = strdup_ornull (file);
		1657	req->buf2 = strdup_ornull (database);
		1658	req->uint1 = flags;
		1659	REQ_SEND;
		1660	}
		1661
		1662	void
		1663	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)
		1664	PREINIT:
		1665	CALLBACK
		1666	CODE:
		1667	{
		1668	dREQ (REQ_ENV_DBRENAME, 2);
		1669	req->env = env;
		1670	req->buf1 = strdup_ornull (file);
		1671	req->buf2 = strdup_ornull (database);
		1672	req->buf3 = strdup_ornull (newname);
		1673	req->uint1 = flags;
		1674	REQ_SEND;
		1675	}
		1676
		1677	void
		1678	db_env_log_archive (DB_ENV env, SV_mutable listp, U32 flags = 0, SV *callback = 0)
		1679	PREINIT:
		1680	CALLBACK
		1681	CODE:
		1682	{
		1683	dREQ (REQ_ENV_LOG_ARCHIVE, 1);
		1684	req->sv1 = SvREFCNT_inc (listp);
		1685	req->env = env;
		1686	req->uint1 = flags;
		1687	REQ_SEND;
1137	}	1688	}
1138		1689
1139	DB *	1690	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1691	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1692	CODE:
…		…
1149	}	1700	}
1150	OUTPUT:	1701	OUTPUT:
1151	RETVAL	1702	RETVAL
1152		1703
1153	void	1704	void
1154	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1705	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1706	PREINIT:
		1707	CALLBACK
1155	CODE:	1708	CODE:
1156	{	1709	{
1157	dREQ (REQ_DB_OPEN);	1710	dREQ (REQ_DB_OPEN, 2);
1158	req->db = db;	1711	req->db = db;
1159	req->txn = txnid;	1712	req->txn = txnid;
1160	req->buf1 = strdup_ornull (file);	1713	req->buf1 = strdup_ornull (file);
1161	req->buf2 = strdup_ornull (database);	1714	req->buf2 = strdup_ornull (database);
1162	req->int1 = type;	1715	req->int1 = type;
…		…
1164	req->int2 = mode;	1717	req->int2 = mode;
1165	REQ_SEND;	1718	REQ_SEND;
1166	}	1719	}
1167		1720
1168	void	1721	void
1169	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1722	db_close (DB db, U32 flags = 0, SV callback = 0)
		1723	PREINIT:
		1724	CALLBACK
1170	CODE:	1725	CODE:
1171	{	1726	{
1172	dREQ (REQ_DB_CLOSE);	1727	dREQ (REQ_DB_CLOSE, 0);
		1728	ptr_nuke (ST (0));
1173	req->db = db;	1729	req->db = db;
1174	req->uint1 = flags;	1730	req->uint1 = flags;
1175	req->sv1 = (SV *)db->app_private;	1731	req->sv1 = (SV *)db->app_private;
1176	REQ_SEND;	1732	REQ_SEND;
1177	ptr_nuke (ST (0));
1178	}	1733	}
1179		1734
		1735	#if DB_VERSION_MINOR >= 4
		1736
1180	void	1737	void
1181	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)	1738	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)
		1739	PREINIT:
		1740	CALLBACK
1182	CODE:	1741	CODE:
1183	{	1742	{
1184	dREQ (REQ_DB_COMPACT);	1743	dREQ (REQ_DB_COMPACT, 2);
1185	req->db = db;	1744	req->db = db;
1186	req->txn = txn;	1745	req->txn = txn;
1187	sv_to_dbt (&req->dbt1, start);	1746	if (start) sv_to_dbt (&req->dbt1, start);
1188	sv_to_dbt (&req->dbt2, stop);	1747	if (stop ) sv_to_dbt (&req->dbt2, stop );
1189	req->uint1 = flags;	1748	req->uint1 = flags;
1190	REQ_SEND;	1749	REQ_SEND;
1191	}	1750	}
1192		1751
		1752	#endif
		1753
1193	void	1754	void
1194	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)	1755	db_sync (DB db, U32 flags = 0, SV callback = 0)
		1756	PREINIT:
		1757	CALLBACK
1195	CODE:	1758	CODE:
1196	{	1759	{
1197	dREQ (REQ_DB_SYNC);	1760	dREQ (REQ_DB_SYNC, 1);
1198	req->db = db;	1761	req->db = db;
1199	req->uint1 = flags;	1762	req->uint1 = flags;
1200	REQ_SEND;	1763	REQ_SEND;
1201	}	1764	}
1202		1765
1203	void	1766	void
		1767	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = 0)
		1768	PREINIT:
		1769	CALLBACK
		1770	CODE:
		1771	{
		1772	dREQ (REQ_DB_SYNC, 1);
		1773	req->db = db;
		1774	req->buf1 = strdup (file);
		1775	req->uint1 = flags;
		1776	REQ_SEND;
		1777	}
		1778
		1779	void
		1780	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV_mutable key_range, U32 flags = 0, SV *callback = 0)
		1781	PREINIT:
		1782	CALLBACK
		1783	CODE:
		1784	{
		1785	dREQ (REQ_DB_KEY_RANGE, 2);
		1786	req->db = db;
		1787	req->txn = txn;
		1788	sv_to_dbt (&req->dbt1, key);
		1789	req->uint1 = flags;
		1790	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1791	REQ_SEND;
		1792	}
		1793
		1794	void
1204	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1795	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = 0)
		1796	PREINIT:
		1797	CALLBACK
1205	CODE:	1798	CODE:
1206	{	1799	{
1207	dREQ (REQ_DB_PUT);	1800	dREQ (REQ_DB_PUT, 2);
1208	req->db = db;	1801	req->db = db;
1209	req->txn = txn;	1802	req->txn = txn;
1210	sv_to_dbt (&req->dbt1, key);	1803	sv_to_dbt (&req->dbt1, key);
1211	sv_to_dbt (&req->dbt2, data);	1804	sv_to_dbt (&req->dbt2, data);
1212	req->uint1 = flags;	1805	req->uint1 = flags;
1213	REQ_SEND;	1806	REQ_SEND;
1214	}	1807	}
1215		1808
		1809	#if DB_VERSION_MINOR >= 6
		1810
1216	void	1811	void
		1812	db_exists (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1813	PREINIT:
		1814	CALLBACK
		1815	CODE:
		1816	{
		1817	dREQ (REQ_DB_EXISTS, 2);
		1818	req->db = db;
		1819	req->txn = txn;
		1820	req->uint1 = flags;
		1821	sv_to_dbt (&req->dbt1, key);
		1822	REQ_SEND;
		1823	}
		1824
		1825	#endif
		1826
		1827	void
1217	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1828	db_get (DB db, DB_TXN_ornull txn, SV key, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1829	PREINIT:
		1830	CALLBACK
1218	CODE:	1831	CODE:
1219	{	1832	{
		1833	//TODO: key is somtimesmutable
1220	dREQ (REQ_DB_GET);	1834	dREQ (REQ_DB_GET, 2);
1221	req->db = db;	1835	req->db = db;
1222	req->txn = txn;	1836	req->txn = txn;
1223	req->uint1 = flags;	1837	req->uint1 = flags;
1224	sv_to_dbt (&req->dbt1, key);	1838	sv_to_dbt (&req->dbt1, key);
1225	req->dbt3.flags = DB_DBT_MALLOC;	1839	req->dbt3.flags = DB_DBT_MALLOC;
1226	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1840	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1227	REQ_SEND;	1841	REQ_SEND;
1228	}	1842	}
1229		1843
1230	void	1844	void
1231	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1845	db_pget (DB db, DB_TXN_ornull txn, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV callback = 0)
		1846	PREINIT:
		1847	CALLBACK
1232	CODE:	1848	CODE:
1233	{	1849	{
		1850	//TODO: key is somtimesmutable
1234	dREQ (REQ_DB_PGET);	1851	dREQ (REQ_DB_PGET, 2);
		1852	req->db = db;
		1853	req->txn = txn;
		1854	req->uint1 = flags;
		1855
		1856	sv_to_dbt (&req->dbt1, key);
		1857
		1858	req->dbt2.flags = DB_DBT_MALLOC;
		1859	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1860
		1861	req->dbt3.flags = DB_DBT_MALLOC;
		1862	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1863	REQ_SEND;
		1864	}
		1865
		1866	void
		1867	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = 0)
		1868	PREINIT:
		1869	CALLBACK
		1870	CODE:
		1871	{
		1872	dREQ (REQ_DB_DEL, 2);
1235	req->db = db;	1873	req->db = db;
1236	req->txn = txn;	1874	req->txn = txn;
1237	req->uint1 = flags;	1875	req->uint1 = flags;
1238	sv_to_dbt (&req->dbt1, key);	1876	sv_to_dbt (&req->dbt1, key);
1239	sv_to_dbt (&req->dbt2, pkey);
1240	req->dbt3.flags = DB_DBT_MALLOC;
1241	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1242	REQ_SEND;	1877	REQ_SEND;
1243	}	1878	}
1244		1879
1245	void	1880	void
1246	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)	1881	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1882	PREINIT:
		1883	CALLBACK
1247	CODE:	1884	CODE:
1248	{	1885	{
1249	dREQ (REQ_DB_DEL);	1886	dREQ (REQ_TXN_COMMIT, 0);
1250	req->db = db;	1887	ptr_nuke (ST (0));
1251	req->txn = txn;	1888	req->txn = txn;
1252	req->uint1 = flags;	1889	req->uint1 = flags;
1253	sv_to_dbt (&req->dbt1, key);
1254	REQ_SEND;	1890	REQ_SEND;
1255	}	1891	}
1256		1892
1257	void	1893	void
1258	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)	1894	db_txn_abort (DB_TXN txn, SV callback = 0)
		1895	PREINIT:
		1896	CALLBACK
1259	CODE:	1897	CODE:
1260	{	1898	{
1261	dREQ (REQ_TXN_COMMIT);	1899	dREQ (REQ_TXN_ABORT, 0);
		1900	ptr_nuke (ST (0));
		1901	req->txn = txn;
		1902	REQ_SEND;
		1903	}
		1904
		1905	void
		1906	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = 0)
		1907	PREINIT:
		1908	CALLBACK
		1909	CODE:
		1910	{
		1911	dREQ (REQ_TXN_FINISH, 0);
		1912	ptr_nuke (ST (0));
1262	req->txn = txn;	1913	req->txn = txn;
1263	req->uint1 = flags;	1914	req->uint1 = flags;
1264	REQ_SEND;	1915	REQ_SEND;
		1916	}
		1917
		1918	void
		1919	db_c_close (DBC dbc, SV callback = 0)
		1920	PREINIT:
		1921	CALLBACK
		1922	CODE:
		1923	{
		1924	dREQ (REQ_C_CLOSE, 0);
1265	ptr_nuke (ST (0));	1925	ptr_nuke (ST (0));
1266	}
1267
1268	void
1269	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
1270	CODE:
1271	{
1272	dREQ (REQ_TXN_ABORT);
1273	req->txn = txn;
1274	REQ_SEND;
1275	ptr_nuke (ST (0));
1276	}
1277
1278	void
1279	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
1280	CODE:
1281	{
1282	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1926	req->dbc = dbc;
1284	REQ_SEND;	1927	REQ_SEND;
1285	ptr_nuke (ST (0));
1286	}	1928	}
1287		1929
1288	void	1930	void
1289	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)	1931	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = 0)
		1932	PREINIT:
		1933	CALLBACK
1290	CODE:	1934	CODE:
1291	{	1935	{
1292	dREQ (REQ_C_COUNT);	1936	dREQ (REQ_C_COUNT, 1);
1293	req->dbc = dbc;	1937	req->dbc = dbc;
1294	req->sv1 = SvREFCNT_inc (count);	1938	req->sv1 = SvREFCNT_inc (count);
1295	REQ_SEND;	1939	REQ_SEND;
1296	}	1940	}
1297		1941
1298	void	1942	void
1299	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1943	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = 0)
		1944	PREINIT:
		1945	CALLBACK
1300	CODE:	1946	CODE:
1301	{	1947	{
1302	dREQ (REQ_C_PUT);	1948	dREQ (REQ_C_PUT, 1);
1303	req->dbc = dbc;	1949	req->dbc = dbc;
1304	sv_to_dbt (&req->dbt1, key);	1950	sv_to_dbt (&req->dbt1, key);
1305	sv_to_dbt (&req->dbt2, data);	1951	sv_to_dbt (&req->dbt2, data);
1306	req->uint1 = flags;	1952	req->uint1 = flags;
1307	REQ_SEND;	1953	REQ_SEND;
1308	}	1954	}
1309		1955
1310	void	1956	void
1311	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)	1957	db_c_get (DBC dbc, SV key, SV_mutable data, U32 flags = 0, SV callback = 0)
		1958	PREINIT:
		1959	CALLBACK
1312	CODE:	1960	CODE:
1313	{	1961	{
		1962	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		1963	croak ("db_c_get was passed a read-only/constant 'key' argument but operation is not DB_SET");
		1964	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		1965	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		1966	"key",
		1967	"BDB::db_c_get");
		1968
		1969	{
1314	dREQ (REQ_C_GET);	1970	dREQ (REQ_C_GET, 1);
		1971	req->dbc = dbc;
		1972	req->uint1 = flags;
		1973	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		1974	sv_to_dbt (&req->dbt1, key);
		1975	else
		1976	{
		1977	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		1978	sv_to_dbt (&req->dbt1, key);
		1979	else
		1980	req->dbt1.flags = DB_DBT_MALLOC;
		1981
		1982	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1983	}
		1984
		1985	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		1986	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		1987	sv_to_dbt (&req->dbt3, data);
		1988	else
		1989	req->dbt3.flags = DB_DBT_MALLOC;
		1990
		1991	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1992	REQ_SEND;
		1993	}
		1994	}
		1995
		1996	void
		1997	db_c_pget (DBC dbc, SV key, SV_mutable pkey, SV_mutable data, U32 flags = 0, SV *callback = 0)
		1998	PREINIT:
		1999	CALLBACK
		2000	CODE:
		2001	{
		2002	if ((flags & DB_OPFLAGS_MASK) != DB_SET && SvREADONLY (key))
		2003	croak ("db_c_pget was passed a read-only/constant 'key' argument but operation is not DB_SET");
		2004	if (SvPOKp (key) && !sv_utf8_downgrade (key, 1))
		2005	croak ("argument \"%s\" must be byte/octet-encoded in %s",
		2006	"key",
		2007	"BDB::db_c_pget");
		2008
		2009	{
		2010	dREQ (REQ_C_PGET, 1);
		2011	req->dbc = dbc;
		2012	req->uint1 = flags;
		2013	if ((flags & DB_OPFLAGS_MASK) == DB_SET)
		2014	sv_to_dbt (&req->dbt1, key);
		2015	else
		2016	{
		2017	if ((flags & DB_OPFLAGS_MASK) == DB_SET_RANGE)
		2018	sv_to_dbt (&req->dbt1, key);
		2019	else
		2020	req->dbt1.flags = DB_DBT_MALLOC;
		2021
		2022	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		2023	}
		2024
		2025	req->dbt2.flags = DB_DBT_MALLOC;
		2026	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		2027
		2028	if ((flags & DB_OPFLAGS_MASK) == DB_GET_BOTH
		2029	\|\| (flags & DB_OPFLAGS_MASK) == DB_GET_BOTH_RANGE)
		2030	sv_to_dbt (&req->dbt3, data);
		2031	else
		2032	req->dbt3.flags = DB_DBT_MALLOC;
		2033
		2034	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		2035	REQ_SEND;
		2036	}
		2037	}
		2038
		2039	void
		2040	db_c_del (DBC dbc, U32 flags = 0, SV callback = 0)
		2041	PREINIT:
		2042	CALLBACK
		2043	CODE:
		2044	{
		2045	dREQ (REQ_C_DEL, 1);
1315	req->dbc = dbc;	2046	req->dbc = dbc;
1316	req->uint1 = flags;	2047	req->uint1 = flags;
1317	if ((flags & DB_SET) == DB_SET	2048	REQ_SEND;
1318	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)	2049	}
		2050
		2051
		2052	#if DB_VERSION_MINOR >= 3
		2053
		2054	void
		2055	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		2056	PREINIT:
		2057	CALLBACK
		2058	CODE:
		2059	{
		2060	dREQ (REQ_SEQ_OPEN, 2);
		2061	req->seq = seq;
		2062	req->txn = txnid;
		2063	req->uint1 = flags \| DB_THREAD;
1319	sv_to_dbt (&req->dbt1, key);	2064	sv_to_dbt (&req->dbt1, key);
1320	else
1321	req->dbt1.flags = DB_DBT_MALLOC;
1322
1323	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1324
1325	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1326	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1327	sv_to_dbt (&req->dbt3, data);
1328	else
1329	req->dbt3.flags = DB_DBT_MALLOC;
1330
1331	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1332	REQ_SEND;	2065	REQ_SEND;
1333	}	2066	}
1334		2067
1335	void	2068	void
1336	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	2069	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		2070	PREINIT:
		2071	CALLBACK
1337	CODE:	2072	CODE:
1338	{	2073	{
1339	dREQ (REQ_C_PGET);	2074	dREQ (REQ_SEQ_CLOSE, 0);
		2075	ptr_nuke (ST (0));
1340	req->dbc = dbc;	2076	req->seq = seq;
1341	req->uint1 = flags;	2077	req->uint1 = flags;
1342	if ((flags & DB_SET) == DB_SET
1343	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
1344	sv_to_dbt (&req->dbt1, key);
1345	else
1346	req->dbt1.flags = DB_DBT_MALLOC;
1347
1348	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1349
1350	req->dbt2.flags = DB_DBT_MALLOC;
1351	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1352
1353	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1354	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1355	sv_to_dbt (&req->dbt3, data);
1356	else
1357	req->dbt3.flags = DB_DBT_MALLOC;
1358
1359	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1360	REQ_SEND;	2078	REQ_SEND;
1361	}	2079	}
1362		2080
1363	void	2081	void
1364	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)	2082	db_sequence_get (DB_SEQUENCE seq, DB_TXN_ornull txnid, int delta, SV_mutable seq_value, U32 flags = DB_TXN_NOSYNC, SV callback = 0)
		2083	PREINIT:
		2084	CALLBACK
1365	CODE:	2085	CODE:
1366	{	2086	{
1367	dREQ (REQ_C_DEL);	2087	dREQ (REQ_SEQ_GET, 2);
1368	req->dbc = dbc;	2088	req->seq = seq;
		2089	req->txn = txnid;
		2090	req->int1 = delta;
1369	req->uint1 = flags;	2091	req->uint1 = flags;
		2092	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1370	REQ_SEND;	2093	REQ_SEND;
1371	}	2094	}
		2095
		2096	void
		2097	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		2098	PREINIT:
		2099	CALLBACK
		2100	CODE:
		2101	{
		2102	dREQ (REQ_SEQ_REMOVE, 2);
		2103	req->seq = seq;
		2104	req->txn = txnid;
		2105	req->uint1 = flags;
		2106	REQ_SEND;
		2107	}
		2108
		2109	#endif
1372		2110
1373		2111
1374	MODULE = BDB PACKAGE = BDB::Env	2112	MODULE = BDB PACKAGE = BDB::Env
1375		2113
1376	void	2114	void
1377	DESTROY (DB_ENV_ornull *env)	2115	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	2116	CODE:
1379	if (env)	2117	if (env)
1380	env->close (env, 0);	2118	env->close (env, 0);
1381		2119
		2120	int set_data_dir (DB_ENV env, const char dir)
		2121	CODE:
		2122	RETVAL = env->set_data_dir (env, dir);
		2123	OUTPUT:
		2124	RETVAL
		2125
		2126	int set_tmp_dir (DB_ENV env, const char dir)
		2127	CODE:
		2128	RETVAL = env->set_tmp_dir (env, dir);
		2129	OUTPUT:
		2130	RETVAL
		2131
		2132	int set_lg_dir (DB_ENV env, const char dir)
		2133	CODE:
		2134	RETVAL = env->set_lg_dir (env, dir);
		2135	OUTPUT:
		2136	RETVAL
		2137
		2138	int set_shm_key (DB_ENV *env, long shm_key)
		2139	CODE:
		2140	RETVAL = env->set_shm_key (env, shm_key);
		2141	OUTPUT:
		2142	RETVAL
		2143
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	2144	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	2145	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2146	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	2147	OUTPUT:
1386	RETVAL	2148	RETVAL
1387		2149
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	2150	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	2151	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	2152	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	2153	OUTPUT:
1392	RETVAL	2154	RETVAL
1393		2155
		2156	#if DB_VERSION_MINOR >= 7
		2157
		2158	int set_intermediate_dir_mode (DB_ENV env, const char mode)
		2159	CODE:
		2160	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2161	OUTPUT:
		2162	RETVAL
		2163
		2164	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2165	CODE:
		2166	RETVAL = env->log_set_config (env, flags, onoff);
		2167	OUTPUT:
		2168	RETVAL
		2169
		2170	#endif
		2171
		2172
		2173	void set_errfile (DB_ENV env, FILE errfile = 0)
		2174	CODE:
		2175	env->set_errfile (env, errfile);
		2176
		2177	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		2178	CODE:
		2179	env->set_msgfile (env, msgfile);
		2180
		2181	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2182	CODE:
		2183	RETVAL = env->set_verbose (env, which, onoff);
		2184	OUTPUT:
		2185	RETVAL
		2186
1394	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	2187	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1395	CODE:	2188	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	2189	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	2190	OUTPUT:
1398	RETVAL	2191	RETVAL
1399		2192
1400	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2193	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1401	CODE:	2194	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2195	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	2196	OUTPUT:
1404	RETVAL	2197	RETVAL
		2198
		2199	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2200	CODE:
		2201	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2202	OUTPUT:
		2203	RETVAL
		2204
		2205	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2206	CODE:
		2207	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2208	OUTPUT:
		2209	RETVAL
		2210
		2211	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2212	CODE:
		2213	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2214	OUTPUT:
		2215	RETVAL
		2216
		2217	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2218	CODE:
		2219	RETVAL = env->set_lk_detect (env, detect);
		2220	OUTPUT:
		2221	RETVAL
		2222
		2223	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2224	CODE:
		2225	RETVAL = env->set_lk_max_lockers (env, max);
		2226	OUTPUT:
		2227	RETVAL
		2228
		2229	int set_lk_max_locks (DB_ENV *env, U32 max)
		2230	CODE:
		2231	RETVAL = env->set_lk_max_locks (env, max);
		2232	OUTPUT:
		2233	RETVAL
		2234
		2235	int set_lk_max_objects (DB_ENV *env, U32 max)
		2236	CODE:
		2237	RETVAL = env->set_lk_max_objects (env, max);
		2238	OUTPUT:
		2239	RETVAL
		2240
		2241	int set_lg_bsize (DB_ENV *env, U32 max)
		2242	CODE:
		2243	RETVAL = env->set_lg_bsize (env, max);
		2244	OUTPUT:
		2245	RETVAL
		2246
		2247	int set_lg_max (DB_ENV *env, U32 max)
		2248	CODE:
		2249	RETVAL = env->set_lg_max (env, max);
		2250	OUTPUT:
		2251	RETVAL
		2252
		2253	#if DB_VERSION_MINOR >= 4
		2254
		2255	int mutex_set_max (DB_ENV *env, U32 max)
		2256	CODE:
		2257	RETVAL = env->mutex_set_max (env, max);
		2258	OUTPUT:
		2259	RETVAL
		2260
		2261	int mutex_set_increment (DB_ENV *env, U32 increment)
		2262	CODE:
		2263	RETVAL = env->mutex_set_increment (env, increment);
		2264	OUTPUT:
		2265	RETVAL
		2266
		2267	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2268	CODE:
		2269	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2270	OUTPUT:
		2271	RETVAL
		2272
		2273	int mutex_set_align (DB_ENV *env, U32 align)
		2274	CODE:
		2275	RETVAL = env->mutex_set_align (env, align);
		2276	OUTPUT:
		2277	RETVAL
		2278
		2279	#endif
1405		2280
1406	DB_TXN *	2281	DB_TXN *
1407	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)	2282	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
1408	CODE:	2283	CODE:
1409	errno = env->txn_begin (env, parent, &RETVAL, flags);	2284	errno = env->txn_begin (env, parent, &RETVAL, flags);
1410	if (errno)	2285	if (errno)
1411	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2286	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1412	OUTPUT:	2287	OUTPUT:
1413	RETVAL	2288	RETVAL
1414		2289
		2290	#if DB_VERSION_MINOR >= 5
		2291
		2292	DB_TXN *
		2293	cdsgroup_begin (DB_ENV *env)
		2294	CODE:
		2295	errno = env->cdsgroup_begin (env, &RETVAL);
		2296	if (errno)
		2297	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2298	OUTPUT:
		2299	RETVAL
		2300
		2301	#endif
		2302
1415	MODULE = BDB PACKAGE = BDB::Db	2303	MODULE = BDB PACKAGE = BDB::Db
1416		2304
1417	void	2305	void
1418	DESTROY (DB_ornull *db)	2306	DESTROY (DB_ornuked *db)
1419	CODE:	2307	CODE:
1420	if (db)	2308	if (db)
1421	{	2309	{
1422	SV env = (SV )db->app_private;	2310	SV env = (SV )db->app_private;
1423	db->close (db, 0);	2311	db->close (db, 0);
…		…
1428	CODE:	2316	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2317	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	2318	OUTPUT:
1431	RETVAL	2319	RETVAL
1432		2320
		2321	int set_pagesize (DB *db, U32 pagesize)
		2322	CODE:
		2323	RETVAL = db->set_pagesize (db, pagesize);
		2324	OUTPUT:
		2325	RETVAL
		2326
1433	int set_flags (DB *db, U32 flags);	2327	int set_flags (DB *db, U32 flags)
1434	CODE:	2328	CODE:
1435	RETVAL = db->set_flags (db, flags);	2329	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	2330	OUTPUT:
1437	RETVAL	2331	RETVAL
1438		2332
…		…
1446	CODE:	2340	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	2341	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	2342	OUTPUT:
1449	RETVAL	2343	RETVAL
1450		2344
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	2345	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	2346	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	2347	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	2348	OUTPUT:
1456	RETVAL	2349	RETVAL
1457		2350
1458	int set_re_delim(DB *db, int delim);	2351	int set_re_delim (DB *db, int delim)
1459	CODE:	2352	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	2353	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	2354	OUTPUT:
1462	RETVAL	2355	RETVAL
1463		2356
…		…
1504	if (errno)	2397	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2398	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2399	OUTPUT:
1507	RETVAL	2400	RETVAL
1508		2401
		2402	#if DB_VERSION_MINOR >= 3
		2403
		2404	DB_SEQUENCE *
		2405	sequence (DB *db, U32 flags = 0)
		2406	CODE:
		2407	{
		2408	errno = db_sequence_create (&RETVAL, db, flags);
		2409	if (errno)
		2410	croak ("db_sequence_create: %s", db_strerror (errno));
		2411	}
		2412	OUTPUT:
		2413	RETVAL
		2414
		2415	#endif
		2416
1509		2417
1510	MODULE = BDB PACKAGE = BDB::Txn	2418	MODULE = BDB PACKAGE = BDB::Txn
1511		2419
1512	void	2420	void
1513	DESTROY (DB_TXN_ornull *txn)	2421	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2422	CODE:
1515	if (txn)	2423	if (txn)
1516	txn->abort (txn);	2424	txn->abort (txn);
1517		2425
1518	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2426	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1519	CODE:	2427	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2428	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2429	OUTPUT:
1522	RETVAL	2430	RETVAL
1523		2431
		2432	int failed (DB_TXN *txn)
		2433	CODE:
		2434	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2435	OUTPUT:
		2436	RETVAL
		2437
1524		2438
1525	MODULE = BDB PACKAGE = BDB::Cursor	2439	MODULE = BDB PACKAGE = BDB::Cursor
1526		2440
1527	void	2441	void
1528	DESTROY (DBC_ornull *dbc)	2442	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2443	CODE:
1530	if (dbc)	2444	if (dbc)
1531	dbc->c_close (dbc);	2445	dbc->c_close (dbc);
1532		2446
		2447	#if DB_VERSION_MINOR >= 6
		2448
		2449	int set_priority (DBC *dbc, int priority)
		2450	CODE:
		2451	dbc->set_priority (dbc, priority);
		2452
		2453	#endif
		2454
		2455	#if DB_VERSION_MINOR >= 3
		2456
		2457	MODULE = BDB PACKAGE = BDB::Sequence
		2458
		2459	void
		2460	DESTROY (DB_SEQUENCE_ornuked *seq)
		2461	CODE:
		2462	if (seq)
		2463	seq->close (seq, 0);
		2464
		2465	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2466	CODE:
		2467	RETVAL = seq->initial_value (seq, value);
		2468	OUTPUT:
		2469	RETVAL
		2470
		2471	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2472	CODE:
		2473	RETVAL = seq->set_cachesize (seq, size);
		2474	OUTPUT:
		2475	RETVAL
		2476
		2477	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2478	CODE:
		2479	RETVAL = seq->set_flags (seq, flags);
		2480	OUTPUT:
		2481	RETVAL
		2482
		2483	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2484	CODE:
		2485	RETVAL = seq->set_range (seq, min, max);
		2486	OUTPUT:
		2487	RETVAL
		2488
		2489	#endif
		2490
		2491

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Comparing BDB/BDB.xs (file contents): Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs. Revision 1.63 by root, Tue Oct 21 02:21:25 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.7 by root, Thu Feb 8 22:14:01 2007 UTC vs.
Revision 1.63 by root, Tue Oct 21 02:21:25 2008 UTC