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

Comparing BDB/BDB.xs (file contents):
Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs.
Revision 1.37 by root, Sat May 10 20:23:06 2008 UTC

…		…
1	/* solaris */	1	#include "xthread.h"
2	#define _POSIX_PTHREAD_SEMANTICS 1
3
4	#if __linux && !defined(_GNU_SOURCE)
5	# define _GNU_SOURCE
6	#endif
7
8	/* just in case */
9	#define _REENTRANT 1
10		2
11	#include <errno.h>	3	#include <errno.h>
12		4
13	#include "EXTERN.h"	5	#include "EXTERN.h"
14	#include "perl.h"	6	#include "perl.h"
15	#include "XSUB.h"	7	#include "XSUB.h"
16		8
17	#include <pthread.h>	9	// perl stupidly defines these as macros, breaking
		10	// lots and lots of code.
		11	#undef open
		12	#undef close
		13	#undef abort
		14	#undef malloc
		15	#undef free
		16	#undef send
18		17
19	#include <stddef.h>	18	#include <stddef.h>
20	#include <stdlib.h>	19	#include <stdlib.h>
21	#include <errno.h>	20	#include <errno.h>
22	#include <sys/time.h>
23	#include <sys/types.h>	21	#include <sys/types.h>
24	#include <limits.h>	22	#include <limits.h>
25	#include <unistd.h>
26	#include <fcntl.h>	23	#include <fcntl.h>
27		24
		25	#ifndef _WIN32
		26	# include <sys/time.h>
		27	# include <unistd.h>
		28	#endif
		29
28	#include <db.h>	30	#include <db.h>
		31
		32	#if DB_VERSION_MAJOR < 4 \|\| (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
		33	# error you need Berkeley DB 4.4 or newer installed
		34	#endif
29		35
30	/* number of seconds after which idle threads exit */	36	/* number of seconds after which idle threads exit */
31	#define IDLE_TIMEOUT 10	37	#define IDLE_TIMEOUT 10
32		38
33	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 \|\| __x86_64	44
39	# define WORDACCESS_UNSAFE 0	45	typedef DB_ENV DB_ENV_ornuked;
40	# else	46	typedef DB_TXN DB_TXN_ornuked;
41	# define WORDACCESS_UNSAFE 1	47	typedef DBC DBC_ornuked;
42	# endif	48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
		51	typedef SV SV8; /* byte-sv, used for argument-checking */
		52	typedef char *bdb_filename;
		53
		54	static SV *prepare_cb;
		55
		56	#if DB_VERSION_MINOR >= 6
		57	# define c_close close
		58	# define c_count count
		59	# define c_del del
		60	# define c_dup dup
		61	# define c_get get
		62	# define c_pget pget
		63	# define c_put put
43	#endif	64	#endif
44		65
45	typedef SV SV8; /* byte-sv, used for argument-checking */
46	typedef char *octetstring;
47
48	static SV *prepare_cb;
49
50	static inline char *	66	static char *
		67	get_bdb_filename (SV *sv)
		68	{
		69	if (!SvOK (sv))
		70	return 0;
		71
		72	#if _WIN32
		73	/* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
		74	{
		75	STRLEN len;
		76	char *src = SvPVbyte (sv, len);
		77	SV *t1 = sv_newmortal ();
		78	SV *t2 = sv_newmortal ();
		79
		80	sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
		81	sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
		82
		83	len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
		84	len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
		85	SvPOK_only (t2);
		86	SvPVX (t2)[len] = 0;
		87	SvCUR_set (t2, len);
		88
		89	return SvPVX (t2);
		90	}
		91	#else
		92	return SvPVbyte_nolen (sv);
		93	#endif
		94	}
		95
		96	static void
		97	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		98	{
		99	printf ("err[%s]\n", msg);
		100	}
		101
		102	static void
		103	debug_msgcall (const DB_ENV dbenv, const char msg)
		104	{
		105	printf ("msg[%s]\n", msg);
		106	}
		107
		108	static char *
51	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
52	{	110	{
53	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
54	}	112	}
55		113
		114	static void
		115	sv_to_dbt (DBT dbt, SV sv)
		116	{
		117	STRLEN len;
		118	char *data = SvPVbyte (sv, len);
		119
		120	dbt->data = malloc (len);
		121	memcpy (dbt->data, data, len);
		122	dbt->size = len;
		123	dbt->flags = DB_DBT_REALLOC;
		124	}
		125
		126	static void
		127	dbt_to_sv (SV sv, DBT dbt)
		128	{
		129	if (sv)
		130	{
		131	SvREADONLY_off (sv);
		132	sv_setpvn_mg (sv, dbt->data, dbt->size);
		133	SvREFCNT_dec (sv);
		134	}
		135
		136	free (dbt->data);
		137	}
		138
56	enum {	139	enum {
57	REQ_QUIT,	140	REQ_QUIT,
58	REQ_ENV_OPEN, REQ_ENV_CLOSE,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		142	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
59	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT,	143	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		144	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		146	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
60	};	148	};
61		149
62	typedef struct aio_cb	150	typedef struct bdb_cb
63	{	151	{
64	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
65	SV *callback;	153	SV *callback;
66	int type, pri, result;	154	int type, pri, result;
67		155
68	DB_ENV *env;	156	DB_ENV *env;
69	DB *db;	157	DB *db;
70	DB_TXN *txn;	158	DB_TXN *txn;
71	DBC *cursor;	159	DBC *dbc;
		160
		161	UV uv1;
72	int int1, int2;	162	int int1, int2;
73	U32 uint1, uint2;	163	U32 uint1, uint2;
74	char buf1, buf2;	164	char buf1, buf2;
		165	SV sv1, sv2, *sv3;
75		166
76	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
77	} aio_cb;	168	DB_KEY_RANGE key_range;
		169	DB_SEQUENCE *seq;
		170	db_seq_t seq_t;
		171	} bdb_cb;
78		172
79	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
80		174
81	enum {	175	enum {
82	PRI_MIN = -4,	176	PRI_MIN = -4,
83	PRI_MAX = 4,	177	PRI_MAX = 4,
84		178
87	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
88	};	182	};
89		183
90	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
91		185
		186	static SV *on_next_submit;
		187
92	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
93	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
94		190
95	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
96	static int tvdiff (struct timeval tv1, struct timeval tv2)	192	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
101		197
102	static int next_pri = DEFAULT_PRI + PRI_BIAS;	198	static int next_pri = DEFAULT_PRI + PRI_BIAS;
103		199
104	static unsigned int started, idle, wanted;	200	static unsigned int started, idle, wanted;
105		201
106	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
107	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
108	#else
109	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
110	#endif
111
112	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
113	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
114
115	/* worker threads management */	202	/* worker threads management */
116	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	203	static mutex_t wrklock = X_MUTEX_INIT;
117		204
118	typedef struct worker {	205	typedef struct worker {
119	/* locked by wrklock */	206	/* locked by wrklock */
120	struct worker prev, next;	207	struct worker prev, next;
121		208
122	pthread_t tid;	209	thread_t tid;
123		210
124	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
125	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
126	void *dbuf;	213	void *dbuf;
127	DIR *dirp;	214	DIR *dirp;
128	} worker;	215	} worker;
129		216
130	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
142	}	229	}
143		230
144	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
145	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
146	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
147	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
148		235
149	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
150	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
151	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	238	static cond_t reqwait = X_COND_INIT;
152		239
153	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
154		241
155	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
156	{	243	{
157	unsigned int retval;	244	unsigned int retval;
158		245
159	LOCK (reqlock);	246	X_LOCK (reqlock);
160	retval = nready;	247	retval = nready;
161	UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
162		249
163	return retval;	250	return retval;
164	}	251	}
165		252
166	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
167	{	254	{
168	unsigned int retval;	255	unsigned int retval;
169		256
170	LOCK (reslock);	257	X_LOCK (reslock);
171	retval = npending;	258	retval = npending;
172	UNLOCK (reslock);	259	X_UNLOCK (reslock);
173		260
174	return retval;	261	return retval;
175	}	262	}
176		263
177	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
178	{	265	{
179	unsigned int retval;	266	unsigned int retval;
180		267
181	LOCK (wrklock);	268	X_LOCK (wrklock);
182	retval = started;	269	retval = started;
183	UNLOCK (wrklock);	270	X_UNLOCK (wrklock);
184		271
185	return retval;	272	return retval;
186	}	273	}
187		274
188	#else	275	#else
…		…
197	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
198	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
199	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
200	*/	287	*/
201	typedef struct {	288	typedef struct {
202	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
203	int size;	290	int size;
204	} reqq;	291	} reqq;
205		292
206	static reqq req_queue;	293	static reqq req_queue;
207	static reqq res_queue;	294	static reqq res_queue;
208		295
209	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
210	{	297	{
211	int pri = req->pri;	298	int pri = req->pri;
212	req->next = 0;	299	req->next = 0;
213		300
214	if (q->qe[pri])	301	if (q->qe[pri])
…		…
220	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
221		308
222	return q->size++;	309	return q->size++;
223	}	310	}
224		311
225	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
226	{	313	{
227	int pri;	314	int pri;
228		315
229	if (!q->size)	316	if (!q->size)
230	return 0;	317	return 0;
231		318
232	--q->size;	319	--q->size;
233		320
234	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
235	{	322	{
236	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
237		324
238	if (req)	325	if (req)
239	{	326	{
240	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
241	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
245	}	332	}
246		333
247	abort ();	334	abort ();
248	}	335	}
249		336
250	static int poll_cb ();	337	static int poll_cb (void);
251	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
252	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
253		340
254	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
255	{	342	{
256	dSP;	343	dSP;
257		344
258	if (SvOK (req->callback))	345	if (SvOK (req->callback))
259	{	346	{
260	ENTER;	347	ENTER;
261	SAVETMPS;	348	SAVETMPS;
262	PUSHMARK (SP);	349	PUSHMARK (SP);
263	EXTEND (SP, 1);
264		350
265	switch (req->type)	351	switch (req->type)
266	{	352	{
		353	case REQ_DB_CLOSE:
		354	SvREFCNT_dec (req->sv1);
		355	break;
		356
		357	case REQ_DB_GET:
		358	case REQ_DB_PGET:
		359	dbt_to_sv (req->sv3, &req->dbt3);
		360	break;
		361
		362	case REQ_C_GET:
		363	case REQ_C_PGET:
		364	dbt_to_sv (req->sv1, &req->dbt1);
		365	dbt_to_sv (req->sv2, &req->dbt2);
		366	dbt_to_sv (req->sv3, &req->dbt3);
		367	break;
		368
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (0, &req->dbt1);
		372	dbt_to_sv (0, &req->dbt2);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	SvREADONLY_off (req->sv1);
		384	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		385	SvREFCNT_dec (req->sv1);
		386	}
		387	break;
		388
		389	case REQ_SEQ_GET:
		390	SvREADONLY_off (req->sv1);
		391
		392	if (sizeof (IV) > 4)
		393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		394	else
		395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		396
		397	SvREFCNT_dec (req->sv1);
		398	break;
267	}	399	}
268		400
269	errno = req->result;	401	errno = req->result;
270		402
271	PUTBACK;	403	PUTBACK;
…		…
277	}	409	}
278		410
279	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
280	}	412	}
281		413
282	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
283	{	415	{
284	free (req->buf1);	416	free (req->buf1);
285	free (req->buf2);	417	free (req->buf2);
286	Safefree (req);	418	Safefree (req);
287	}	419	}
288		420
289	static void aio_proc (void arg);	421	#ifdef USE_SOCKETS_AS_HANDLES
		422	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		423	#else
		424	# define TO_SOCKET(x) (x)
		425	#endif
		426
		427	static void
		428	create_respipe (void)
		429	{
		430	#ifdef _WIN32
		431	int arg; /* argg */
		432	#endif
		433	int old_readfd = respipe [0];
		434
		435	if (respipe [1] >= 0)
		436	respipe_close (TO_SOCKET (respipe [1]));
		437
		438	#ifdef _WIN32
		439	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		440	#else
		441	if (pipe (respipe))
		442	#endif
		443	croak ("unable to initialize result pipe");
		444
		445	if (old_readfd >= 0)
		446	{
		447	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		448	croak ("unable to initialize result pipe(2)");
		449
		450	respipe_close (respipe [0]);
		451	respipe [0] = old_readfd;
		452	}
		453
		454	#ifdef _WIN32
		455	arg = 1;
		456	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		457	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		458	#else
		459	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		460	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		461	#endif
		462	croak ("unable to initialize result pipe(3)");
		463
		464	respipe_osf [0] = TO_SOCKET (respipe [0]);
		465	respipe_osf [1] = TO_SOCKET (respipe [1]);
		466	}
		467
		468	X_THREAD_PROC (bdb_proc);
290		469
291	static void start_thread (void)	470	static void start_thread (void)
292	{	471	{
293	sigset_t fullsigset, oldsigset;
294	pthread_attr_t attr;
295
296	worker *wrk = calloc (1, sizeof (worker));	472	worker *wrk = calloc (1, sizeof (worker));
297		473
298	if (!wrk)	474	if (!wrk)
299	croak ("unable to allocate worker thread data");	475	croak ("unable to allocate worker thread data");
300		476
301	pthread_attr_init (&attr);
302	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
303	#ifdef PTHREAD_SCOPE_PROCESS
304	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
305	#endif
306
307	sigfillset (&fullsigset);
308
309	LOCK (wrklock);	477	X_LOCK (wrklock);
310	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
311
312	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	478	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
313	{	479	{
314	wrk->prev = &wrk_first;	480	wrk->prev = &wrk_first;
315	wrk->next = wrk_first.next;	481	wrk->next = wrk_first.next;
316	wrk_first.next->prev = wrk;	482	wrk_first.next->prev = wrk;
317	wrk_first.next = wrk;	483	wrk_first.next = wrk;
318	++started;	484	++started;
319	}	485	}
320	else	486	else
321	free (wrk);	487	free (wrk);
322		488
323	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
324	UNLOCK (wrklock);	489	X_UNLOCK (wrklock);
325	}	490	}
326		491
327	static void maybe_start_thread ()	492	static void maybe_start_thread (void)
328	{	493	{
329	if (get_nthreads () >= wanted)	494	if (get_nthreads () >= wanted)
330	return;	495	return;
331		496
332	/* todo: maybe use idle here, but might be less exact */	497	/* todo: maybe use idle here, but might be less exact */
…		…
334	return;	499	return;
335		500
336	start_thread ();	501	start_thread ();
337	}	502	}
338		503
339	static void req_send (aio_req req)	504	static void req_send (bdb_req req)
340	{	505	{
341	SV *wait_callback = 0;	506	SV *wait_callback = 0;
		507
		508	if (on_next_submit)
		509	{
		510	dSP;
		511	SV *cb = sv_2mortal (on_next_submit);
		512
		513	on_next_submit = 0;
		514
		515	PUSHMARK (SP);
		516	PUTBACK;
		517	call_sv (cb, G_DISCARD \| G_EVAL);
		518	}
342		519
343	// synthesize callback if none given	520	// synthesize callback if none given
344	if (!SvOK (req->callback))	521	if (!SvOK (req->callback))
345	{	522	{
		523	int count;
		524
346	dSP;	525	dSP;
347	PUSHMARK (SP);	526	PUSHMARK (SP);
348	PUTBACK;	527	PUTBACK;
349	int count = call_sv (prepare_cb, G_ARRAY);	528	count = call_sv (prepare_cb, G_ARRAY);
350	SPAGAIN;	529	SPAGAIN;
351		530
352	if (count != 2)	531	if (count != 2)
353	croak ("prepare callback must return exactly two values\n");	532	croak ("prepare callback must return exactly two values\n");
354		533
355	wait_callback = SvREFCNT_inc (POPs);	534	wait_callback = POPs;
356	SvREFCNT_dec (req->callback);	535	SvREFCNT_dec (req->callback);
357	req->callback = SvREFCNT_inc (POPs);	536	req->callback = SvREFCNT_inc (POPs);
358	}	537	}
359		538
360	++nreqs;	539	++nreqs;
361		540
362	LOCK (reqlock);	541	X_LOCK (reqlock);
363	++nready;	542	++nready;
364	reqq_push (&req_queue, req);	543	reqq_push (&req_queue, req);
365	pthread_cond_signal (&reqwait);	544	X_COND_SIGNAL (reqwait);
366	UNLOCK (reqlock);	545	X_UNLOCK (reqlock);
367		546
368	maybe_start_thread ();	547	maybe_start_thread ();
369		548
370	if (wait_callback)	549	if (wait_callback)
371	{	550	{
372	dSP;	551	dSP;
373	PUSHMARK (SP);	552	PUSHMARK (SP);
374	PUTBACK;	553	PUTBACK;
375	call_sv (wait_callback, G_DISCARD);	554	call_sv (wait_callback, G_DISCARD);
376	SvREFCNT_dec (wait_callback);
377	}	555	}
378	}	556	}
379		557
380	static void end_thread (void)	558	static void end_thread (void)
381	{	559	{
382	aio_req req;	560	bdb_req req;
383		561
384	Newz (0, req, 1, aio_cb);	562	Newz (0, req, 1, bdb_cb);
385		563
386	req->type = REQ_QUIT;	564	req->type = REQ_QUIT;
387	req->pri = PRI_MAX + PRI_BIAS;	565	req->pri = PRI_MAX + PRI_BIAS;
388		566
389	LOCK (reqlock);	567	X_LOCK (reqlock);
390	reqq_push (&req_queue, req);	568	reqq_push (&req_queue, req);
391	pthread_cond_signal (&reqwait);	569	X_COND_SIGNAL (reqwait);
392	UNLOCK (reqlock);	570	X_UNLOCK (reqlock);
393		571
394	LOCK (wrklock);	572	X_LOCK (wrklock);
395	--started;	573	--started;
396	UNLOCK (wrklock);	574	X_UNLOCK (wrklock);
397	}	575	}
398		576
399	static void set_max_idle (int nthreads)	577	static void set_max_idle (int nthreads)
400	{	578	{
401	if (WORDACCESS_UNSAFE) LOCK (reqlock);	579	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
402	max_idle = nthreads <= 0 ? 1 : nthreads;	580	max_idle = nthreads <= 0 ? 1 : nthreads;
403	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	581	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
404	}	582	}
405		583
406	static void min_parallel (int nthreads)	584	static void min_parallel (int nthreads)
407	{	585	{
408	if (wanted < nthreads)	586	if (wanted < nthreads)
…		…
416		594
417	while (started > wanted)	595	while (started > wanted)
418	end_thread ();	596	end_thread ();
419	}	597	}
420		598
421	static void poll_wait ()	599	static void poll_wait (void)
422	{	600	{
423	fd_set rfd;	601	fd_set rfd;
424		602
425	while (nreqs)	603	while (nreqs)
426	{	604	{
427	int size;	605	int size;
428	if (WORDACCESS_UNSAFE) LOCK (reslock);	606	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
429	size = res_queue.size;	607	size = res_queue.size;
430	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	608	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
431		609
432	if (size)	610	if (size)
433	return;	611	return;
434		612
435	maybe_start_thread ();	613	maybe_start_thread ();
436		614
437	FD_ZERO(&rfd);	615	FD_ZERO (&rfd);
438	FD_SET(respipe [0], &rfd);	616	FD_SET (respipe [0], &rfd);
439		617
440	select (respipe [0] + 1, &rfd, 0, 0, 0);	618	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
441	}	619	}
442	}	620	}
443		621
444	static int poll_cb ()	622	static int poll_cb (void)
445	{	623	{
446	dSP;	624	dSP;
447	int count = 0;	625	int count = 0;
448	int maxreqs = max_poll_reqs;	626	int maxreqs = max_poll_reqs;
449	int do_croak = 0;	627	int do_croak = 0;
450	struct timeval tv_start, tv_now;	628	struct timeval tv_start, tv_now;
451	aio_req req;	629	bdb_req req;
452		630
453	if (max_poll_time)	631	if (max_poll_time)
454	gettimeofday (&tv_start, 0);	632	gettimeofday (&tv_start, 0);
455		633
456	for (;;)	634	for (;;)
457	{	635	{
458	for (;;)	636	for (;;)
459	{	637	{
460	maybe_start_thread ();	638	maybe_start_thread ();
461		639
462	LOCK (reslock);	640	X_LOCK (reslock);
463	req = reqq_shift (&res_queue);	641	req = reqq_shift (&res_queue);
464		642
465	if (req)	643	if (req)
466	{	644	{
467	--npending;	645	--npending;
468		646
469	if (!res_queue.size)	647	if (!res_queue.size)
470	{	648	{
471	/* read any signals sent by the worker threads */	649	/* read any signals sent by the worker threads */
472	char buf [4];	650	char buf [4];
473	while (read (respipe [0], buf, 4) == 4)	651	while (respipe_read (respipe [0], buf, 4) == 4)
474	;	652	;
475	}	653	}
476	}	654	}
477		655
478	UNLOCK (reslock);	656	X_UNLOCK (reslock);
479		657
480	if (!req)	658	if (!req)
481	break;	659	break;
482		660
483	--nreqs;	661	--nreqs;
…		…
513	}	691	}
514		692
515	return count;	693	return count;
516	}	694	}
517		695
518	static void create_pipe ()
519	{
520	if (pipe (respipe))
521	croak ("unable to initialize result pipe");
522
523	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
524	croak ("cannot set result pipe to nonblocking mode");
525
526	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
527	croak ("cannot set result pipe to nonblocking mode");
528	}
529
530	/*****************************************************************************/	696	/*****************************************************************************/
531		697
532	static void aio_proc (void thr_arg)	698	X_THREAD_PROC (bdb_proc)
533	{	699	{
534	aio_req req;	700	bdb_req req;
535	struct timespec ts;	701	struct timespec ts;
536	worker self = (worker )thr_arg;	702	worker self = (worker )thr_arg;
537		703
538	/* try to distribute timeouts somewhat evenly */	704	/* try to distribute timeouts somewhat evenly */
539	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	705	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
540	* (1000000000UL / 1024UL);
541		706
542	for (;;)	707	for (;;)
543	{	708	{
544	ts.tv_sec = time (0) + IDLE_TIMEOUT;	709	ts.tv_sec = time (0) + IDLE_TIMEOUT;
545		710
546	LOCK (reqlock);	711	X_LOCK (reqlock);
547		712
548	for (;;)	713	for (;;)
549	{	714	{
550	self->req = req = reqq_shift (&req_queue);	715	self->req = req = reqq_shift (&req_queue);
551		716
552	if (req)	717	if (req)
553	break;	718	break;
554		719
555	++idle;	720	++idle;
556		721
557	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	722	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
558	== ETIMEDOUT)	723	== ETIMEDOUT)
559	{	724	{
560	if (idle > max_idle)	725	if (idle > max_idle)
561	{	726	{
562	--idle;	727	--idle;
563	UNLOCK (reqlock);	728	X_UNLOCK (reqlock);
564	LOCK (wrklock);	729	X_LOCK (wrklock);
565	--started;	730	--started;
566	UNLOCK (wrklock);	731	X_UNLOCK (wrklock);
567	goto quit;	732	goto quit;
568	}	733	}
569		734
570	/* we are allowed to idle, so do so without any timeout */	735	/* we are allowed to idle, so do so without any timeout */
571	pthread_cond_wait (&reqwait, &reqlock);	736	X_COND_WAIT (reqwait, reqlock);
572	ts.tv_sec = time (0) + IDLE_TIMEOUT;	737	ts.tv_sec = time (0) + IDLE_TIMEOUT;
573	}	738	}
574		739
575	--idle;	740	--idle;
576	}	741	}
577		742
578	--nready;	743	--nready;
579		744
580	UNLOCK (reqlock);	745	X_UNLOCK (reqlock);
581		746
582	switch (req->type)	747	switch (req->type)
583	{	748	{
584	case REQ_QUIT:	749	case REQ_QUIT:
		750	req->result = ENOSYS;
585	goto quit;	751	goto quit;
586		752
587	case REQ_ENV_OPEN:	753	case REQ_ENV_OPEN:
588	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	754	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
589	break;	755	break;
590		756
591	case REQ_ENV_CLOSE:	757	case REQ_ENV_CLOSE:
592	req->result = req->env->close (req->env, req->uint1);	758	req->result = req->env->close (req->env, req->uint1);
593	break;	759	break;
594		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
595	case REQ_DB_OPEN:	777	case REQ_DB_OPEN:
596	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	778	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
597	break;	779	break;
598		780
599	case REQ_DB_CLOSE:	781	case REQ_DB_CLOSE:
…		…
606		788
607	case REQ_DB_SYNC:	789	case REQ_DB_SYNC:
608	req->result = req->db->sync (req->db, req->uint1);	790	req->result = req->db->sync (req->db, req->uint1);
609	break;	791	break;
610		792
		793	case REQ_DB_UPGRADE:
		794	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		795	break;
		796
611	case REQ_DB_PUT:	797	case REQ_DB_PUT:
612	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	798	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
613	break;	799	break;
614		800
		801	case REQ_DB_GET:
		802	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		803	break;
		804
		805	case REQ_DB_PGET:
		806	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		807	break;
		808
		809	case REQ_DB_DEL:
		810	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		811	break;
		812
		813	case REQ_DB_KEY_RANGE:
		814	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		815	break;
		816
		817	case REQ_TXN_COMMIT:
		818	req->result = req->txn->commit (req->txn, req->uint1);
		819	break;
		820
		821	case REQ_TXN_ABORT:
		822	req->result = req->txn->abort (req->txn);
		823	break;
		824
		825	case REQ_TXN_FINISH:
		826	if (req->txn->flags & TXN_DEADLOCK)
		827	{
		828	req->result = req->txn->abort (req->txn);
		829	if (!req->result)
		830	req->result = DB_LOCK_DEADLOCK;
		831	}
		832	else
		833	req->result = req->txn->commit (req->txn, req->uint1);
		834	break;
		835
		836	case REQ_C_CLOSE:
		837	req->result = req->dbc->c_close (req->dbc);
		838	break;
		839
		840	case REQ_C_COUNT:
		841	{
		842	db_recno_t recno;
		843	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		844	req->uv1 = recno;
		845	}
		846	break;
		847
		848	case REQ_C_PUT:
		849	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		850	break;
		851
		852	case REQ_C_GET:
		853	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		854	break;
		855
		856	case REQ_C_PGET:
		857	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		858	break;
		859
		860	case REQ_C_DEL:
		861	req->result = req->dbc->c_del (req->dbc, req->uint1);
		862	break;
		863
		864	case REQ_SEQ_OPEN:
		865	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		866	break;
		867
		868	case REQ_SEQ_CLOSE:
		869	req->result = req->seq->close (req->seq, req->uint1);
		870	break;
		871
		872	case REQ_SEQ_GET:
		873	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		874	break;
		875
		876	case REQ_SEQ_REMOVE:
		877	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		878	break;
		879
615	default:	880	default:
616	req->result = ENOSYS;	881	req->result = ENOSYS;
617	break;	882	break;
618	}	883	}
619		884
		885	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		886	req->txn->flags \|= TXN_DEADLOCK;
		887
620	LOCK (reslock);	888	X_LOCK (reslock);
621		889
622	++npending;	890	++npending;
623		891
624	if (!reqq_push (&res_queue, req))	892	if (!reqq_push (&res_queue, req))
625	/* write a dummy byte to the pipe so fh becomes ready */	893	/* write a dummy byte to the pipe so fh becomes ready */
626	write (respipe [1], &respipe, 1);	894	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
627		895
628	self->req = 0;	896	self->req = 0;
629	worker_clear (self);	897	worker_clear (self);
630		898
631	UNLOCK (reslock);	899	X_UNLOCK (reslock);
632	}	900	}
633		901
634	quit:	902	quit:
635	LOCK (wrklock);	903	X_LOCK (wrklock);
636	worker_free (self);	904	worker_free (self);
637	UNLOCK (wrklock);	905	X_UNLOCK (wrklock);
638		906
639	return 0;	907	return 0;
640	}	908	}
641		909
642	/*****************************************************************************/	910	/*****************************************************************************/
643		911
644	static void atfork_prepare (void)	912	static void atfork_prepare (void)
645	{	913	{
646	LOCK (wrklock);	914	X_LOCK (wrklock);
647	LOCK (reqlock);	915	X_LOCK (reqlock);
648	LOCK (reslock);	916	X_LOCK (reslock);
649	}	917	}
650		918
651	static void atfork_parent (void)	919	static void atfork_parent (void)
652	{	920	{
653	UNLOCK (reslock);	921	X_UNLOCK (reslock);
654	UNLOCK (reqlock);	922	X_UNLOCK (reqlock);
655	UNLOCK (wrklock);	923	X_UNLOCK (wrklock);
656	}	924	}
657		925
658	static void atfork_child (void)	926	static void atfork_child (void)
659	{	927	{
660	aio_req prv;	928	bdb_req prv;
661		929
662	while (prv = reqq_shift (&req_queue))	930	while (prv = reqq_shift (&req_queue))
663	req_free (prv);	931	req_free (prv);
664		932
665	while (prv = reqq_shift (&res_queue))	933	while (prv = reqq_shift (&res_queue))
…		…
680	idle = 0;	948	idle = 0;
681	nreqs = 0;	949	nreqs = 0;
682	nready = 0;	950	nready = 0;
683	npending = 0;	951	npending = 0;
684		952
685	close (respipe [0]);
686	close (respipe [1]);
687	create_pipe ();	953	create_respipe ();
688		954
689	atfork_parent ();	955	atfork_parent ();
690	}	956	}
691		957
692	#define dREQ(reqtype) \	958	#define dREQ(reqtype) \
693	aio_req req; \	959	bdb_req req; \
694	int req_pri = next_pri; \	960	int req_pri = next_pri; \
695	next_pri = DEFAULT_PRI + PRI_BIAS; \	961	next_pri = DEFAULT_PRI + PRI_BIAS; \
696	\	962	\
697	if (SvOK (callback) && !SvROK (callback)) \	963	if (SvOK (callback) && !SvROK (callback)) \
698	croak ("callback must be undef or of reference type"); \	964	croak ("callback must be undef or of reference type"); \
699	\	965	\
700	Newz (0, req, 1, aio_cb); \	966	Newz (0, req, 1, bdb_cb); \
701	if (!req) \	967	if (!req) \
702	croak ("out of memory during aio_req allocation"); \	968	croak ("out of memory during bdb_req allocation"); \
703	\	969	\
704	req->callback = newSVsv (callback); \	970	req->callback = newSVsv (callback); \
705	req->type = (reqtype); \	971	req->type = (reqtype); \
706	req->pri = req_pri	972	req->pri = req_pri
707		973
708	#define REQ_SEND \	974	#define REQ_SEND \
709	req_send (req)	975	req_send (req)
710		976
711	#define SvPTR(var, arg, type, class) \	977	#define SvPTR(var, arg, type, class, nullok) \
712	if (!SvOK (arg)) \	978	if (!SvOK (arg)) \
		979	{ \
		980	if (nullok != 1) \
		981	croak (# var " must be a " # class " object, not undef"); \
		982	\
713	(var) = 0; \	983	(var) = 0; \
		984	} \
714	else if (sv_derived_from ((arg), # class)) \	985	else if (sv_derived_from ((arg), # class)) \
715	{ \	986	{ \
716	IV tmp = SvIV ((SV*) SvRV (arg)); \	987	IV tmp = SvIV ((SV*) SvRV (arg)); \
717	(var) = INT2PTR (type, tmp); \	988	(var) = INT2PTR (type, tmp); \
		989	if (!var && nullok != 2) \
		990	croak (# var " is not a valid " # class " object anymore"); \
718	} \	991	} \
719	else \	992	else \
720	Perl_croak (# var " is not of type " # class)	993	croak (# var " is not of type " # class); \
		994	\
721		995
722	inline void	996	static void
723	set_dbt (DBT dbt, SV sv)	997	ptr_nuke (SV *sv)
724	{	998	{
725	STRLEN len;	999	assert (SvROK (sv));
726	char *data = SvPVbyte (sv, len);	1000	sv_setiv (SvRV (sv), 0);
727
728	dbt->data = malloc (len);
729	memcpy (dbt->data, data, len);
730	dbt->size = len;
731	}	1001	}
732		1002
		1003	static int
		1004	errno_get (pTHX_ SV sv, MAGIC mg)
		1005	{
		1006	if (*mg->mg_ptr == '!') // should always be the case
		1007	if (-30999 <= errno && errno <= -30800)
		1008	{
		1009	sv_setnv (sv, (NV)errno);
		1010	sv_setpv (sv, db_strerror (errno));
		1011	SvNOK_on (sv); /* what a wonderful hack! */
		1012	// ^^^ copied from perl sources
		1013	return 0;
		1014	}
		1015
		1016	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1017	}
		1018
		1019	static MGVTBL vtbl_errno;
		1020
		1021	// this wonderful hack :( patches perl's $! variable to support our errno values
		1022	static void
		1023	patch_errno (void)
		1024	{
		1025	SV *sv;
		1026	MAGIC *mg;
		1027
		1028	if (!(sv = get_sv ("!", 1)))
		1029	return;
		1030
		1031	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1032	return;
		1033
		1034	if (mg->mg_virtual != &PL_vtbl_sv)
		1035	return;
		1036
		1037	vtbl_errno = PL_vtbl_sv;
		1038	vtbl_errno.svt_get = errno_get;
		1039	mg->mg_virtual = &vtbl_errno;
		1040	}
		1041
733	MODULE = BDB PACKAGE = BDB	1042	MODULE = BDB PACKAGE = BDB
734		1043
735	PROTOTYPES: ENABLE	1044	PROTOTYPES: ENABLE
736		1045
737	BOOT:	1046	BOOT:
…		…
752	const_iv (INIT_TXN)	1061	const_iv (INIT_TXN)
753	const_iv (RECOVER)	1062	const_iv (RECOVER)
754	const_iv (INIT_TXN)	1063	const_iv (INIT_TXN)
755	const_iv (RECOVER_FATAL)	1064	const_iv (RECOVER_FATAL)
756	const_iv (CREATE)	1065	const_iv (CREATE)
		1066	const_iv (RDONLY)
757	const_iv (USE_ENVIRON)	1067	const_iv (USE_ENVIRON)
758	const_iv (USE_ENVIRON_ROOT)	1068	const_iv (USE_ENVIRON_ROOT)
759	const_iv (LOCKDOWN)	1069	const_iv (LOCKDOWN)
760	const_iv (PRIVATE)	1070	const_iv (PRIVATE)
761	const_iv (REGISTER)	1071	const_iv (REGISTER)
…		…
767	const_iv (DSYNC_DB)	1077	const_iv (DSYNC_DB)
768	const_iv (DSYNC_LOG)	1078	const_iv (DSYNC_LOG)
769	const_iv (LOG_AUTOREMOVE)	1079	const_iv (LOG_AUTOREMOVE)
770	const_iv (LOG_INMEMORY)	1080	const_iv (LOG_INMEMORY)
771	const_iv (NOLOCKING)	1081	const_iv (NOLOCKING)
772	const_iv (MULTIVERSION)
773	const_iv (NOMMAP)	1082	const_iv (NOMMAP)
774	const_iv (NOPANIC)	1083	const_iv (NOPANIC)
775	const_iv (OVERWRITE)	1084	const_iv (OVERWRITE)
776	const_iv (PANIC_ENVIRONMENT)	1085	const_iv (PANIC_ENVIRONMENT)
777	const_iv (REGION_INIT)	1086	const_iv (REGION_INIT)
778	const_iv (TIME_NOTGRANTED)	1087	const_iv (TIME_NOTGRANTED)
779	const_iv (TXN_NOSYNC)	1088	const_iv (TXN_NOSYNC)
780	const_iv (TXN_SNAPSHOT)	1089	const_iv (TXN_NOT_DURABLE)
781	const_iv (TXN_WRITE_NOSYNC)	1090	const_iv (TXN_WRITE_NOSYNC)
		1091	const_iv (WRITECURSOR)
782	const_iv (YIELDCPU)	1092	const_iv (YIELDCPU)
783	const_iv (ENCRYPT_AES)	1093	const_iv (ENCRYPT_AES)
784	const_iv (XA_CREATE)	1094	const_iv (XA_CREATE)
785	const_iv (BTREE)	1095	const_iv (BTREE)
786	const_iv (HASH)	1096	const_iv (HASH)
787	const_iv (QUEUE)	1097	const_iv (QUEUE)
788	const_iv (RECNO)	1098	const_iv (RECNO)
789	const_iv (UNKNOWN)	1099	const_iv (UNKNOWN)
790	const_iv (EXCL)	1100	const_iv (EXCL)
		1101	const_iv (READ_COMMITTED)
791	const_iv (READ_UNCOMMITTED)	1102	const_iv (READ_UNCOMMITTED)
792	const_iv (TRUNCATE)	1103	const_iv (TRUNCATE)
793	const_iv (NOSYNC)	1104	const_iv (NOSYNC)
794	const_iv (CHKSUM)	1105	const_iv (CHKSUM)
795	const_iv (ENCRYPT)	1106	const_iv (ENCRYPT)
796	const_iv (TXN_NOT_DURABLE)
797	const_iv (DUP)	1107	const_iv (DUP)
798	const_iv (DUPSORT)	1108	const_iv (DUPSORT)
799	const_iv (RECNUM)	1109	const_iv (RECNUM)
800	const_iv (RENUMBER)	1110	const_iv (RENUMBER)
801	const_iv (REVSPLITOFF)	1111	const_iv (REVSPLITOFF)
802	const_iv (INORDER)	1112	const_iv (INORDER)
803	const_iv (CONSUME)	1113	const_iv (CONSUME)
804	const_iv (CONSUME_WAIT)	1114	const_iv (CONSUME_WAIT)
		1115	const_iv (GET_BOTH)
		1116	const_iv (GET_BOTH_RANGE)
		1117	//const_iv (SET_RECNO)
		1118	//const_iv (MULTIPLE)
805	const_iv (SNAPSHOT)	1119	const_iv (SNAPSHOT)
806	const_iv (JOIN_ITEM)	1120	const_iv (JOIN_ITEM)
		1121	const_iv (JOIN_NOSORT)
807	const_iv (RMW)	1122	const_iv (RMW)
808		1123
809	const_iv (NOTFOUND)	1124	const_iv (NOTFOUND)
810	const_iv (KEYEMPTY)	1125	const_iv (KEYEMPTY)
811	const_iv (LOCK_DEADLOCK)	1126	const_iv (LOCK_DEADLOCK)
812	const_iv (LOCK_NOTGRANTED)	1127	const_iv (LOCK_NOTGRANTED)
813	const_iv (RUNRECOVERY)	1128	const_iv (RUNRECOVERY)
814	const_iv (OLD_VERSION)	1129	const_iv (OLD_VERSION)
815	const_iv (REP_HANDLE_DEAD)	1130	const_iv (REP_HANDLE_DEAD)
816	const_iv (REP_LOCKOUT)	1131	const_iv (REP_LOCKOUT)
		1132	const_iv (SECONDARY_BAD)
817		1133
818	const_iv (FREE_SPACE)	1134	const_iv (FREE_SPACE)
819	const_iv (FREELIST_ONLY)	1135	const_iv (FREELIST_ONLY)
820		1136
821	const_iv (APPEND)	1137	const_iv (APPEND)
822	const_iv (NODUPDATA)	1138	const_iv (NODUPDATA)
823	const_iv (NOOVERWRITE)	1139	const_iv (NOOVERWRITE)
824		1140
		1141	const_iv (TXN_NOWAIT)
		1142	const_iv (TXN_SYNC)
		1143
825	const_iv (SET_LOCK_TIMEOUT)	1144	const_iv (SET_LOCK_TIMEOUT)
826	const_iv (SET_TXN_TIMEOUT)	1145	const_iv (SET_TXN_TIMEOUT)
		1146
		1147	const_iv (FIRST)
		1148	const_iv (NEXT)
		1149	const_iv (NEXT_DUP)
		1150	const_iv (NEXT_NODUP)
		1151	const_iv (PREV)
		1152	const_iv (PREV_NODUP)
		1153	const_iv (SET)
		1154	const_iv (SET_RANGE)
		1155	const_iv (LAST)
		1156	const_iv (BEFORE)
		1157	const_iv (AFTER)
		1158	const_iv (CURRENT)
		1159	const_iv (KEYFIRST)
		1160	const_iv (KEYLAST)
		1161	const_iv (NODUPDATA)
		1162
		1163	const_iv (FORCE)
		1164
		1165	const_iv (LOCK_DEFAULT)
		1166	const_iv (LOCK_EXPIRE)
		1167	const_iv (LOCK_MAXLOCKS)
		1168	const_iv (LOCK_MAXWRITE)
		1169	const_iv (LOCK_MINLOCKS)
		1170	const_iv (LOCK_MINWRITE)
		1171	const_iv (LOCK_OLDEST)
		1172	const_iv (LOCK_RANDOM)
		1173	const_iv (LOCK_YOUNGEST)
		1174
		1175	const_iv (SEQ_DEC)
		1176	const_iv (SEQ_INC)
		1177	const_iv (SEQ_WRAP)
		1178
		1179	const_iv (BUFFER_SMALL)
		1180	const_iv (DONOTINDEX)
		1181	const_iv (KEYEMPTY )
		1182	const_iv (KEYEXIST )
		1183	const_iv (LOCK_DEADLOCK)
		1184	const_iv (LOCK_NOTGRANTED)
		1185	const_iv (LOG_BUFFER_FULL)
		1186	const_iv (NOSERVER)
		1187	const_iv (NOSERVER_HOME)
		1188	const_iv (NOSERVER_ID)
		1189	const_iv (NOTFOUND)
		1190	const_iv (PAGE_NOTFOUND)
		1191	const_iv (REP_DUPMASTER)
		1192	const_iv (REP_HANDLE_DEAD)
		1193	const_iv (REP_HOLDELECTION)
		1194	const_iv (REP_IGNORE)
		1195	const_iv (REP_ISPERM)
		1196	const_iv (REP_JOIN_FAILURE)
		1197	const_iv (REP_LOCKOUT)
		1198	const_iv (REP_NEWMASTER)
		1199	const_iv (REP_NEWSITE)
		1200	const_iv (REP_NOTPERM)
		1201	const_iv (REP_UNAVAIL)
		1202	const_iv (RUNRECOVERY)
		1203	const_iv (SECONDARY_BAD)
		1204	const_iv (VERIFY_BAD)
		1205	const_iv (VERSION_MISMATCH)
		1206
		1207	const_iv (VERB_DEADLOCK)
		1208	const_iv (VERB_RECOVERY)
		1209	const_iv (VERB_REGISTER)
		1210	const_iv (VERB_REPLICATION)
		1211	const_iv (VERB_WAITSFOR)
		1212
		1213	const_iv (VERSION_MAJOR)
		1214	const_iv (VERSION_MINOR)
		1215	const_iv (VERSION_PATCH)
		1216	#if DB_VERSION_MINOR >= 5
		1217	const_iv (MULTIVERSION)
		1218	const_iv (TXN_SNAPSHOT)
		1219	#endif
		1220	#if DB_VERSION_MINOR >= 6
		1221	const_iv (PREV_DUP)
		1222	const_iv (PRIORITY_UNCHANGED)
		1223	const_iv (PRIORITY_VERY_LOW)
		1224	const_iv (PRIORITY_LOW)
		1225	const_iv (PRIORITY_DEFAULT)
		1226	const_iv (PRIORITY_HIGH)
		1227	const_iv (PRIORITY_VERY_HIGH)
		1228	#endif
827	};	1229	};
828		1230
829	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1231	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
830	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1232	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
831		1233
832	create_pipe ();	1234	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1235	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1236
		1237	create_respipe ();
		1238
833	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1239	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1240	#ifdef _WIN32
		1241	X_MUTEX_CHECK (wrklock);
		1242	X_MUTEX_CHECK (reslock);
		1243	X_MUTEX_CHECK (reqlock);
		1244
		1245	X_COND_CHECK (reqwait);
		1246	#endif
		1247	patch_errno ();
834	}	1248	}
835		1249
836	void	1250	void
837	max_poll_reqs (int nreqs)	1251	max_poll_reqs (int nreqs)
838	PROTOTYPE: $	1252	PROTOTYPE: $
…		…
957		1371
958	int	1372	int
959	nthreads ()	1373	nthreads ()
960	PROTOTYPE:	1374	PROTOTYPE:
961	CODE:	1375	CODE:
962	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1376	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
963	RETVAL = started;	1377	RETVAL = started;
964	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1378	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
965	OUTPUT:	1379	OUTPUT:
966	RETVAL	1380	RETVAL
967		1381
968	void	1382	void
969	set_sync_prepare (SV *cb)	1383	set_sync_prepare (SV *cb)
970	PROTOTYPE: &	1384	PROTOTYPE: &
971	CODE:	1385	CODE:
972	SvREFCNT_dec (prepare_cb);	1386	SvREFCNT_dec (prepare_cb);
973	prepare_cb = newSVsv (cb);	1387	prepare_cb = newSVsv (cb);
		1388
		1389	char *
		1390	strerror (int errorno = errno)
		1391	PROTOTYPE: ;$
		1392	CODE:
		1393	RETVAL = db_strerror (errorno);
		1394	OUTPUT:
		1395	RETVAL
		1396
		1397	void _on_next_submit (SV *cb)
		1398	CODE:
		1399	SvREFCNT_dec (on_next_submit);
		1400	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
974		1401
975	DB_ENV *	1402	DB_ENV *
976	db_env_create (U32 env_flags = 0)	1403	db_env_create (U32 env_flags = 0)
977	CODE:	1404	CODE:
978	{	1405	{
979	errno = db_env_create (&RETVAL, env_flags);	1406	errno = db_env_create (&RETVAL, env_flags);
980	if (errno)	1407	if (errno)
981	croak ("db_env_create: %s", db_strerror (errno));	1408	croak ("db_env_create: %s", db_strerror (errno));
		1409
		1410	if (0)
		1411	{
		1412	RETVAL->set_errcall (RETVAL, debug_errcall);
		1413	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1414	}
982	}	1415	}
983	OUTPUT:	1416	OUTPUT:
984	RETVAL	1417	RETVAL
985		1418
986	void	1419	void
987	db_env_open (DB_ENV env, octetstring db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)	1420	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)
988	CODE:	1421	CODE:
989	{	1422	{
990	dREQ (REQ_ENV_OPEN);	1423	dREQ (REQ_ENV_OPEN);
		1424
991	req->env = env;	1425	req->env = env;
992	req->uint1 = open_flags \| DB_THREAD;	1426	req->uint1 = open_flags \| DB_THREAD;
993	req->int1 = mode;	1427	req->int1 = mode;
994	req->buf1 = strdup_ornull (db_home);	1428	req->buf1 = strdup_ornull (db_home);
995	REQ_SEND;	1429	REQ_SEND;
…		…
1001	{	1435	{
1002	dREQ (REQ_ENV_CLOSE);	1436	dREQ (REQ_ENV_CLOSE);
1003	req->env = env;	1437	req->env = env;
1004	req->uint1 = flags;	1438	req->uint1 = flags;
1005	REQ_SEND;	1439	REQ_SEND;
		1440	ptr_nuke (ST (0));
1006	}	1441	}
		1442
		1443	void
		1444	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)
		1445	CODE:
		1446	{
		1447	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1448	req->env = env;
		1449	req->uint1 = kbyte;
		1450	req->int1 = min;
		1451	req->uint2 = flags;
		1452	REQ_SEND;
		1453	}
		1454
		1455	void
		1456	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)
		1457	CODE:
		1458	{
		1459	dREQ (REQ_ENV_LOCK_DETECT);
		1460	req->env = env;
		1461	req->uint1 = flags;
		1462	req->uint2 = atype;
		1463	REQ_SEND;
		1464	}
		1465
		1466	void
		1467	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)
		1468	CODE:
		1469	{
		1470	dREQ (REQ_ENV_MEMP_SYNC);
		1471	req->env = env;
		1472	REQ_SEND;
		1473	}
		1474
		1475	void
		1476	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)
		1477	CODE:
		1478	{
		1479	dREQ (REQ_ENV_MEMP_TRICKLE);
		1480	req->env = env;
		1481	req->int1 = percent;
		1482	REQ_SEND;
		1483	}
		1484
1007		1485
1008	DB *	1486	DB *
1009	db_create (DB_ENV *env = 0, U32 flags = 0)	1487	db_create (DB_ENV *env = 0, U32 flags = 0)
1010	CODE:	1488	CODE:
1011	{	1489	{
1012	errno = db_create (&RETVAL, env, flags);	1490	errno = db_create (&RETVAL, env, flags);
1013	if (errno)	1491	if (errno)
1014	croak ("db_env_create: %s", db_strerror (errno));	1492	croak ("db_create: %s", db_strerror (errno));
		1493
		1494	if (RETVAL)
		1495	RETVAL->app_private = (void *)newSVsv (ST (0));
1015	}	1496	}
1016	OUTPUT:	1497	OUTPUT:
1017	RETVAL	1498	RETVAL
1018		1499
1019	void	1500	void
1020	db_open (DB db, DB_TXN txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1501	db_open (DB db, DB_TXN_ornull txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1021	CODE:	1502	CODE:
1022	{	1503	{
1023	dREQ (REQ_DB_OPEN);	1504	dREQ (REQ_DB_OPEN);
1024	req->db = db;	1505	req->db = db;
1025	req->txn = txnid;	1506	req->txn = txnid;
…		…
1036	CODE:	1517	CODE:
1037	{	1518	{
1038	dREQ (REQ_DB_CLOSE);	1519	dREQ (REQ_DB_CLOSE);
1039	req->db = db;	1520	req->db = db;
1040	req->uint1 = flags;	1521	req->uint1 = flags;
		1522	req->sv1 = (SV *)db->app_private;
1041	REQ_SEND;	1523	REQ_SEND;
		1524	ptr_nuke (ST (0));
1042	}	1525	}
1043		1526
1044	void	1527	void
1045	db_compact (DB db, DB_TXN txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)	1528	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)
1046	CODE:	1529	CODE:
1047	{	1530	{
1048	dREQ (REQ_DB_COMPACT);	1531	dREQ (REQ_DB_COMPACT);
1049	req->db = db;	1532	req->db = db;
1050	req->txn = txn;	1533	req->txn = txn;
1051	set_dbt (&req->dbt1, start);	1534	sv_to_dbt (&req->dbt1, start);
1052	set_dbt (&req->dbt2, stop);	1535	sv_to_dbt (&req->dbt2, stop);
1053	req->uint1 = flags;	1536	req->uint1 = flags;
1054	REQ_SEND;	1537	REQ_SEND;
1055	}	1538	}
1056		1539
1057	void	1540	void
…		…
1063	req->uint1 = flags;	1546	req->uint1 = flags;
1064	REQ_SEND;	1547	REQ_SEND;
1065	}	1548	}
1066		1549
1067	void	1550	void
		1551	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = &PL_sv_undef)
		1552	CODE:
		1553	{
		1554	dREQ (REQ_DB_SYNC);
		1555	req->db = db;
		1556	req->buf1 = strdup (file);
		1557	req->uint1 = flags;
		1558	REQ_SEND;
		1559	}
		1560
		1561	void
		1562	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1563	CODE:
		1564	{
		1565	dREQ (REQ_DB_KEY_RANGE);
		1566	req->db = db;
		1567	req->txn = txn;
		1568	sv_to_dbt (&req->dbt1, key);
		1569	req->uint1 = flags;
		1570	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1571	REQ_SEND;
		1572	}
		1573
		1574	void
1068	db_put (DB db, DB_TXN txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)	1575	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
1069	CODE:	1576	CODE:
1070	{	1577	{
1071	dREQ (REQ_DB_PUT);	1578	dREQ (REQ_DB_PUT);
1072	req->db = db;	1579	req->db = db;
1073	req->txn = 0;	1580	req->txn = txn;
1074	set_dbt (&req->dbt1, key);	1581	sv_to_dbt (&req->dbt1, key);
1075	set_dbt (&req->dbt2, data);	1582	sv_to_dbt (&req->dbt2, data);
1076	req->uint1 = flags;	1583	req->uint1 = flags;
1077	REQ_SEND;	1584	REQ_SEND;
1078	}	1585	}
1079		1586
		1587	void
		1588	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1589	CODE:
		1590	if (SvREADONLY (data))
		1591	croak ("can't modify read-only data scalar in db_get");
		1592	{
		1593	dREQ (REQ_DB_GET);
		1594	req->db = db;
		1595	req->txn = txn;
		1596	req->uint1 = flags;
		1597	sv_to_dbt (&req->dbt1, key);
		1598	req->dbt3.flags = DB_DBT_MALLOC;
		1599	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1600	REQ_SEND;
		1601	}
		1602
		1603	void
		1604	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1605	CODE:
		1606	if (SvREADONLY (data))
		1607	croak ("can't modify read-only data scalar in db_pget");
		1608	{
		1609	dREQ (REQ_DB_PGET);
		1610	req->db = db;
		1611	req->txn = txn;
		1612	req->uint1 = flags;
		1613	sv_to_dbt (&req->dbt1, key);
		1614	sv_to_dbt (&req->dbt2, pkey);
		1615	req->dbt3.flags = DB_DBT_MALLOC;
		1616	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1617	REQ_SEND;
		1618	}
		1619
		1620	void
		1621	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
		1622	CODE:
		1623	{
		1624	dREQ (REQ_DB_DEL);
		1625	req->db = db;
		1626	req->txn = txn;
		1627	req->uint1 = flags;
		1628	sv_to_dbt (&req->dbt1, key);
		1629	REQ_SEND;
		1630	}
		1631
		1632	void
		1633	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
		1634	CODE:
		1635	{
		1636	dREQ (REQ_TXN_COMMIT);
		1637	req->txn = txn;
		1638	req->uint1 = flags;
		1639	REQ_SEND;
		1640	ptr_nuke (ST (0));
		1641	}
		1642
		1643	void
		1644	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
		1645	CODE:
		1646	{
		1647	dREQ (REQ_TXN_ABORT);
		1648	req->txn = txn;
		1649	REQ_SEND;
		1650	ptr_nuke (ST (0));
		1651	}
		1652
		1653	void
		1654	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
		1655	CODE:
		1656	{
		1657	dREQ (REQ_TXN_FINISH);
		1658	req->txn = txn;
		1659	req->uint1 = flags;
		1660	REQ_SEND;
		1661	ptr_nuke (ST (0));
		1662	}
		1663
		1664	void
		1665	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
		1666	CODE:
		1667	{
		1668	dREQ (REQ_C_CLOSE);
		1669	req->dbc = dbc;
		1670	REQ_SEND;
		1671	ptr_nuke (ST (0));
		1672	}
		1673
		1674	void
		1675	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1676	CODE:
		1677	{
		1678	dREQ (REQ_C_COUNT);
		1679	req->dbc = dbc;
		1680	req->sv1 = SvREFCNT_inc (count);
		1681	REQ_SEND;
		1682	}
		1683
		1684	void
		1685	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1686	CODE:
		1687	{
		1688	dREQ (REQ_C_PUT);
		1689	req->dbc = dbc;
		1690	sv_to_dbt (&req->dbt1, key);
		1691	sv_to_dbt (&req->dbt2, data);
		1692	req->uint1 = flags;
		1693	REQ_SEND;
		1694	}
		1695
		1696	void
		1697	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1698	CODE:
		1699	{
		1700	dREQ (REQ_C_GET);
		1701	req->dbc = dbc;
		1702	req->uint1 = flags;
		1703	if ((flags & DB_SET) == DB_SET
		1704	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1705	sv_to_dbt (&req->dbt1, key);
		1706	else
		1707	req->dbt1.flags = DB_DBT_MALLOC;
		1708
		1709	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1710
		1711	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1712	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1713	sv_to_dbt (&req->dbt3, data);
		1714	else
		1715	req->dbt3.flags = DB_DBT_MALLOC;
		1716
		1717	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1718	REQ_SEND;
		1719	}
		1720
		1721	void
		1722	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1723	CODE:
		1724	{
		1725	dREQ (REQ_C_PGET);
		1726	req->dbc = dbc;
		1727	req->uint1 = flags;
		1728	if ((flags & DB_SET) == DB_SET
		1729	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1730	sv_to_dbt (&req->dbt1, key);
		1731	else
		1732	req->dbt1.flags = DB_DBT_MALLOC;
		1733
		1734	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1735
		1736	req->dbt2.flags = DB_DBT_MALLOC;
		1737	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1738
		1739	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1740	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1741	sv_to_dbt (&req->dbt3, data);
		1742	else
		1743	req->dbt3.flags = DB_DBT_MALLOC;
		1744
		1745	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1746	REQ_SEND;
		1747	}
		1748
		1749	void
		1750	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
		1751	CODE:
		1752	{
		1753	dREQ (REQ_C_DEL);
		1754	req->dbc = dbc;
		1755	req->uint1 = flags;
		1756	REQ_SEND;
		1757	}
		1758
		1759
		1760	void
		1761	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
		1762	CODE:
		1763	{
		1764	dREQ (REQ_SEQ_OPEN);
		1765	req->seq = seq;
		1766	req->txn = txnid;
		1767	req->uint1 = flags \| DB_THREAD;
		1768	sv_to_dbt (&req->dbt1, key);
		1769	REQ_SEND;
		1770	}
		1771
		1772	void
		1773	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)
		1774	CODE:
		1775	{
		1776	dREQ (REQ_SEQ_CLOSE);
		1777	req->seq = seq;
		1778	req->uint1 = flags;
		1779	REQ_SEND;
		1780	ptr_nuke (ST (0));
		1781	}
		1782
		1783	void
		1784	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)
		1785	CODE:
		1786	{
		1787	dREQ (REQ_SEQ_GET);
		1788	req->seq = seq;
		1789	req->txn = txnid;
		1790	req->int1 = delta;
		1791	req->uint1 = flags;
		1792	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1793	REQ_SEND;
		1794	}
		1795
		1796	void
		1797	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1798	CODE:
		1799	{
		1800	dREQ (REQ_SEQ_REMOVE);
		1801	req->seq = seq;
		1802	req->txn = txnid;
		1803	req->uint1 = flags;
		1804	REQ_SEND;
		1805	}
		1806
1080		1807
1081	MODULE = BDB PACKAGE = BDB::Env	1808	MODULE = BDB PACKAGE = BDB::Env
1082		1809
		1810	void
		1811	DESTROY (DB_ENV_ornuked *env)
		1812	CODE:
		1813	if (env)
		1814	env->close (env, 0);
		1815
		1816	int set_data_dir (DB_ENV env, const char dir)
		1817	CODE:
		1818	RETVAL = env->set_data_dir (env, dir);
		1819	OUTPUT:
		1820	RETVAL
		1821
		1822	int set_tmp_dir (DB_ENV env, const char dir)
		1823	CODE:
		1824	RETVAL = env->set_tmp_dir (env, dir);
		1825	OUTPUT:
		1826	RETVAL
		1827
		1828	int set_lg_dir (DB_ENV env, const char dir)
		1829	CODE:
		1830	RETVAL = env->set_lg_dir (env, dir);
		1831	OUTPUT:
		1832	RETVAL
		1833
		1834	int set_shm_key (DB_ENV *env, long shm_key)
		1835	CODE:
		1836	RETVAL = env->set_shm_key (env, shm_key);
		1837	OUTPUT:
		1838	RETVAL
		1839
1083	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1840	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1084	CODE:	1841	CODE:
1085	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1842	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1086	OUTPUT:	1843	OUTPUT:
1087	RETVAL	1844	RETVAL
1088		1845
1089	int set_flags (DB_ENV *env, U32 flags, int onoff)	1846	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1090	CODE:	1847	CODE:
1091	RETVAL = env->set_flags (env, flags, onoff);	1848	RETVAL = env->set_flags (env, flags, onoff);
1092	OUTPUT:	1849	OUTPUT:
1093	RETVAL	1850	RETVAL
1094		1851
		1852	void set_errfile (DB_ENV env, FILE errfile = 0)
		1853	CODE:
		1854	env->set_errfile (env, errfile);
		1855
		1856	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		1857	CODE:
		1858	env->set_msgfile (env, msgfile);
		1859
		1860	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1861	CODE:
		1862	RETVAL = env->set_verbose (env, which, onoff);
		1863	OUTPUT:
		1864	RETVAL
		1865
1095	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)	1866	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
1096	CODE:	1867	CODE:
1097	RETVAL = env->set_encrypt (env, password, flags);	1868	RETVAL = env->set_encrypt (env, password, flags);
1098	OUTPUT:	1869	OUTPUT:
1099	RETVAL	1870	RETVAL
1100		1871
1101	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	1872	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1102	CODE:	1873	CODE:
1103	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	1874	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1104	OUTPUT:	1875	OUTPUT:
1105	RETVAL	1876	RETVAL
1106		1877
		1878	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1879	CODE:
		1880	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1881	OUTPUT:
		1882	RETVAL
		1883
		1884	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1885	CODE:
		1886	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1887	OUTPUT:
		1888	RETVAL
		1889
		1890	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1891	CODE:
		1892	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1893	OUTPUT:
		1894	RETVAL
		1895
		1896	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1897	CODE:
		1898	RETVAL = env->set_lk_detect (env, detect);
		1899	OUTPUT:
		1900	RETVAL
		1901
		1902	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1903	CODE:
		1904	RETVAL = env->set_lk_max_lockers (env, max);
		1905	OUTPUT:
		1906	RETVAL
		1907
		1908	int set_lk_max_locks (DB_ENV *env, U32 max)
		1909	CODE:
		1910	RETVAL = env->set_lk_max_locks (env, max);
		1911	OUTPUT:
		1912	RETVAL
		1913
		1914	int set_lk_max_objects (DB_ENV *env, U32 max)
		1915	CODE:
		1916	RETVAL = env->set_lk_max_objects (env, max);
		1917	OUTPUT:
		1918	RETVAL
		1919
		1920	int set_lg_bsize (DB_ENV *env, U32 max)
		1921	CODE:
		1922	RETVAL = env->set_lg_bsize (env, max);
		1923	OUTPUT:
		1924	RETVAL
		1925
		1926	int set_lg_max (DB_ENV *env, U32 max)
		1927	CODE:
		1928	RETVAL = env->set_lg_max (env, max);
		1929	OUTPUT:
		1930	RETVAL
		1931
		1932	int mutex_set_max (DB_ENV *env, U32 max)
		1933	CODE:
		1934	RETVAL = env->mutex_set_max (env, max);
		1935	OUTPUT:
		1936	RETVAL
		1937
		1938	int mutex_set_increment (DB_ENV *env, U32 increment)
		1939	CODE:
		1940	RETVAL = env->mutex_set_increment (env, increment);
		1941	OUTPUT:
		1942	RETVAL
		1943
		1944	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1945	CODE:
		1946	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1947	OUTPUT:
		1948	RETVAL
		1949
		1950	int mutex_set_align (DB_ENV *env, U32 align)
		1951	CODE:
		1952	RETVAL = env->mutex_set_align (env, align);
		1953	OUTPUT:
		1954	RETVAL
		1955
		1956	DB_TXN *
		1957	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
		1958	CODE:
		1959	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1960	if (errno)
		1961	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1962	OUTPUT:
		1963	RETVAL
1107		1964
1108	MODULE = BDB PACKAGE = BDB::Db	1965	MODULE = BDB PACKAGE = BDB::Db
1109		1966
		1967	void
		1968	DESTROY (DB_ornuked *db)
		1969	CODE:
		1970	if (db)
		1971	{
		1972	SV env = (SV )db->app_private;
		1973	db->close (db, 0);
		1974	SvREFCNT_dec (env);
		1975	}
		1976
1110	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1977	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1111	CODE:	1978	CODE:
1112	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	1979	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1113	OUTPUT:	1980	OUTPUT:
1114	RETVAL	1981	RETVAL
1115		1982
1116	int set_flags (DB *db, U32 flags);	1983	int set_flags (DB *db, U32 flags)
1117	CODE:	1984	CODE:
1118	RETVAL = db->set_flags (db, flags);	1985	RETVAL = db->set_flags (db, flags);
1119	OUTPUT:	1986	OUTPUT:
1120	RETVAL	1987	RETVAL
1121		1988
…		…
1129	CODE:	1996	CODE:
1130	RETVAL = db->set_lorder (db, lorder);	1997	RETVAL = db->set_lorder (db, lorder);
1131	OUTPUT:	1998	OUTPUT:
1132	RETVAL	1999	RETVAL
1133		2000
1134
1135	int set_bt_minkey (DB *db, U32 minkey)	2001	int set_bt_minkey (DB *db, U32 minkey)
1136	CODE:	2002	CODE:
1137	RETVAL = db->set_bt_minkey (db, minkey);	2003	RETVAL = db->set_bt_minkey (db, minkey);
1138	OUTPUT:	2004	OUTPUT:
1139	RETVAL	2005	RETVAL
1140		2006
1141	int set_re_delim(DB *db, int delim);	2007	int set_re_delim (DB *db, int delim)
1142	CODE:	2008	CODE:
1143	RETVAL = db->set_re_delim (db, delim);	2009	RETVAL = db->set_re_delim (db, delim);
1144	OUTPUT:	2010	OUTPUT:
1145	RETVAL	2011	RETVAL
1146		2012
…		…
1178	CODE:	2044	CODE:
1179	RETVAL = db->set_q_extentsize (db, extentsize);	2045	RETVAL = db->set_q_extentsize (db, extentsize);
1180	OUTPUT:	2046	OUTPUT:
1181	RETVAL	2047	RETVAL
1182		2048
		2049	DBC *
		2050	cursor (DB db, DB_TXN_ornull txn = 0, U32 flags = 0)
		2051	CODE:
		2052	errno = db->cursor (db, txn, &RETVAL, flags);
		2053	if (errno)
		2054	croak ("DB->cursor: %s", db_strerror (errno));
		2055	OUTPUT:
		2056	RETVAL
1183		2057
		2058	DB_SEQUENCE *
		2059	sequence (DB *db, U32 flags = 0)
		2060	CODE:
		2061	{
		2062	errno = db_sequence_create (&RETVAL, db, flags);
		2063	if (errno)
		2064	croak ("db_sequence_create: %s", db_strerror (errno));
		2065	}
		2066	OUTPUT:
		2067	RETVAL
		2068
		2069
		2070	MODULE = BDB PACKAGE = BDB::Txn
		2071
		2072	void
		2073	DESTROY (DB_TXN_ornuked *txn)
		2074	CODE:
		2075	if (txn)
		2076	txn->abort (txn);
		2077
		2078	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2079	CODE:
		2080	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2081	OUTPUT:
		2082	RETVAL
		2083
		2084	int failed (DB_TXN *txn)
		2085	CODE:
		2086	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2087	OUTPUT:
		2088	RETVAL
		2089
		2090
		2091	MODULE = BDB PACKAGE = BDB::Cursor
		2092
		2093	void
		2094	DESTROY (DBC_ornuked *dbc)
		2095	CODE:
		2096	if (dbc)
		2097	dbc->c_close (dbc);
		2098
		2099	#if DB_VERSION_MINOR >= 6
		2100
		2101	int set_priority (DBC *dbc, int priority)
		2102	CODE:
		2103	dbc->set_priority (dbc, priority);
		2104
		2105	#endif
		2106
		2107	MODULE = BDB PACKAGE = BDB::Sequence
		2108
		2109	void
		2110	DESTROY (DB_SEQUENCE_ornuked *seq)
		2111	CODE:
		2112	if (seq)
		2113	seq->close (seq, 0);
		2114
		2115	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2116	CODE:
		2117	RETVAL = seq->initial_value (seq, value);
		2118	OUTPUT:
		2119	RETVAL
		2120
		2121	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2122	CODE:
		2123	RETVAL = seq->set_cachesize (seq, size);
		2124	OUTPUT:
		2125	RETVAL
		2126
		2127	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2128	CODE:
		2129	RETVAL = seq->set_flags (seq, flags);
		2130	OUTPUT:
		2131	RETVAL
		2132
		2133	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2134	CODE:
		2135	RETVAL = seq->set_range (seq, min, max);
		2136	OUTPUT:
		2137	RETVAL
		2138
		2139

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+Removed lines
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Comparing BDB/BDB.xs (file contents): Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs. Revision 1.37 by root, Sat May 10 20:23:06 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.3 by root, Mon Feb 5 22:19:07 2007 UTC vs.
Revision 1.37 by root, Sat May 10 20:23:06 2008 UTC