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

Comparing BDB/BDB.xs (file contents):
Revision 1.2 by root, Mon Feb 5 20:21:38 2007 UTC vs.
Revision 1.35 by root, Sun Mar 30 07:12:12 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 */	66	static char *
		67	get_bdb_filename (SV *sv)
		68	{
		69	return !SvOK (sv)
		70	? 0
		71	:
		72	#if _WIN32
		73	SvPVutf8_nolen (sv)
		74	#else
		75	SvPVbyte_nolen (sv)
		76	#endif
		77	;
		78	}
46		79
		80	static void
		81	debug_errcall (const DB_ENV dbenv, const char errpfx, const char *msg)
		82	{
		83	printf ("err[%s]\n", msg);
		84	}
		85
		86	static void
		87	debug_msgcall (const DB_ENV dbenv, const char msg)
		88	{
		89	printf ("msg[%s]\n", msg);
		90	}
		91
		92	static char *
		93	strdup_ornull (const char *s)
		94	{
		95	return s ? strdup (s) : 0;
		96	}
		97
		98	static void
		99	sv_to_dbt (DBT dbt, SV sv)
		100	{
		101	STRLEN len;
		102	char *data = SvPVbyte (sv, len);
		103
		104	dbt->data = malloc (len);
		105	memcpy (dbt->data, data, len);
		106	dbt->size = len;
		107	dbt->flags = DB_DBT_REALLOC;
		108	}
		109
		110	static void
		111	dbt_to_sv (SV sv, DBT dbt)
		112	{
		113	if (sv)
		114	{
		115	SvREADONLY_off (sv);
		116	sv_setpvn_mg (sv, dbt->data, dbt->size);
		117	SvREFCNT_dec (sv);
		118	}
		119
		120	free (dbt->data);
		121	}
		122
47	enum	123	enum {
48	{
49	REQ_QUIT,	124	REQ_QUIT,
50	REQ_ENV_OPEN, REQ_ENV_CLOSE,	125	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
51	REQ_DB_OPEN, REQ_DB_CLOSE,	126	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
		127	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		128	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
		129	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
		130	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		131	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
52	};	132	};
53		133
54	typedef struct aio_cb	134	typedef struct bdb_cb
55	{	135	{
56	struct aio_cb *volatile next;	136	struct bdb_cb *volatile next;
57	SV *callback;	137	SV *callback;
58	int type, pri, errorno;	138	int type, pri, result;
59		139
60	DB_ENV *env;	140	DB_ENV *env;
61	DB *db;	141	DB *db;
62	DB_TXN *txn;	142	DB_TXN *txn;
63	DBC *cursor;	143	DBC *dbc;
		144
		145	UV uv1;
64	int int1, int2;	146	int int1, int2;
65	U32 uint1, uint2;	147	U32 uint1, uint2;
66	char buf1, buf2;	148	char buf1, buf2;
67	} aio_cb;	149	SV sv1, sv2, *sv3;
68		150
		151	DBT dbt1, dbt2, dbt3;
		152	DB_KEY_RANGE key_range;
		153	DB_SEQUENCE *seq;
		154	db_seq_t seq_t;
		155	} bdb_cb;
		156
69	typedef aio_cb *aio_req;	157	typedef bdb_cb *bdb_req;
70		158
71	enum {	159	enum {
72	PRI_MIN = -4,	160	PRI_MIN = -4,
73	PRI_MAX = 4,	161	PRI_MAX = 4,
74		162
91		179
92	static int next_pri = DEFAULT_PRI + PRI_BIAS;	180	static int next_pri = DEFAULT_PRI + PRI_BIAS;
93		181
94	static unsigned int started, idle, wanted;	182	static unsigned int started, idle, wanted;
95		183
96	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
97	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
98	#else
99	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
100	#endif
101
102	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
103	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
104
105	/* worker threads management */	184	/* worker threads management */
106	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	185	static mutex_t wrklock = X_MUTEX_INIT;
107		186
108	typedef struct worker {	187	typedef struct worker {
109	/* locked by wrklock */	188	/* locked by wrklock */
110	struct worker prev, next;	189	struct worker prev, next;
111		190
112	pthread_t tid;	191	thread_t tid;
113		192
114	/* locked by reslock, reqlock or wrklock */	193	/* locked by reslock, reqlock or wrklock */
115	aio_req req; /* currently processed request */	194	bdb_req req; /* currently processed request */
116	void *dbuf;	195	void *dbuf;
117	DIR *dirp;	196	DIR *dirp;
118	} worker;	197	} worker;
119		198
120	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	199	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
132	}	211	}
133		212
134	static volatile unsigned int nreqs, nready, npending;	213	static volatile unsigned int nreqs, nready, npending;
135	static volatile unsigned int max_idle = 4;	214	static volatile unsigned int max_idle = 4;
136	static volatile unsigned int max_outstanding = 0xffffffff;	215	static volatile unsigned int max_outstanding = 0xffffffff;
137	static int respipe [2];	216	static int respipe_osf [2], respipe [2] = { -1, -1 };
138		217
139	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	218	static mutex_t reslock = X_MUTEX_INIT;
140	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	219	static mutex_t reqlock = X_MUTEX_INIT;
141	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	220	static cond_t reqwait = X_COND_INIT;
142		221
143	#if WORDACCESS_UNSAFE	222	#if WORDACCESS_UNSAFE
144		223
145	static unsigned int get_nready ()	224	static unsigned int get_nready (void)
146	{	225	{
147	unsigned int retval;	226	unsigned int retval;
148		227
149	LOCK (reqlock);	228	X_LOCK (reqlock);
150	retval = nready;	229	retval = nready;
151	UNLOCK (reqlock);	230	X_UNLOCK (reqlock);
152		231
153	return retval;	232	return retval;
154	}	233	}
155		234
156	static unsigned int get_npending ()	235	static unsigned int get_npending (void)
157	{	236	{
158	unsigned int retval;	237	unsigned int retval;
159		238
160	LOCK (reslock);	239	X_LOCK (reslock);
161	retval = npending;	240	retval = npending;
162	UNLOCK (reslock);	241	X_UNLOCK (reslock);
163		242
164	return retval;	243	return retval;
165	}	244	}
166		245
167	static unsigned int get_nthreads ()	246	static unsigned int get_nthreads (void)
168	{	247	{
169	unsigned int retval;	248	unsigned int retval;
170		249
171	LOCK (wrklock);	250	X_LOCK (wrklock);
172	retval = started;	251	retval = started;
173	UNLOCK (wrklock);	252	X_UNLOCK (wrklock);
174		253
175	return retval;	254	return retval;
176	}	255	}
177		256
178	#else	257	#else
…		…
187	* a somewhat faster data structure might be nice, but	266	* a somewhat faster data structure might be nice, but
188	* with 8 priorities this actually needs <20 insns	267	* with 8 priorities this actually needs <20 insns
189	* per shift, the most expensive operation.	268	* per shift, the most expensive operation.
190	*/	269	*/
191	typedef struct {	270	typedef struct {
192	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	271	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
193	int size;	272	int size;
194	} reqq;	273	} reqq;
195		274
196	static reqq req_queue;	275	static reqq req_queue;
197	static reqq res_queue;	276	static reqq res_queue;
198		277
199	int reqq_push (reqq *q, aio_req req)	278	int reqq_push (reqq *q, bdb_req req)
200	{	279	{
201	int pri = req->pri;	280	int pri = req->pri;
202	req->next = 0;	281	req->next = 0;
203		282
204	if (q->qe[pri])	283	if (q->qe[pri])
…		…
210	q->qe[pri] = q->qs[pri] = req;	289	q->qe[pri] = q->qs[pri] = req;
211		290
212	return q->size++;	291	return q->size++;
213	}	292	}
214		293
215	aio_req reqq_shift (reqq *q)	294	bdb_req reqq_shift (reqq *q)
216	{	295	{
217	int pri;	296	int pri;
218		297
219	if (!q->size)	298	if (!q->size)
220	return 0;	299	return 0;
221		300
222	--q->size;	301	--q->size;
223		302
224	for (pri = NUM_PRI; pri--; )	303	for (pri = NUM_PRI; pri--; )
225	{	304	{
226	aio_req req = q->qs[pri];	305	bdb_req req = q->qs[pri];
227		306
228	if (req)	307	if (req)
229	{	308	{
230	if (!(q->qs[pri] = req->next))	309	if (!(q->qs[pri] = req->next))
231	q->qe[pri] = 0;	310	q->qe[pri] = 0;
…		…
235	}	314	}
236		315
237	abort ();	316	abort ();
238	}	317	}
239		318
240	static int poll_cb ();	319	static int poll_cb (void);
241	static void req_free (aio_req req);	320	static void req_free (bdb_req req);
242	static void req_cancel (aio_req req);	321	static void req_cancel (bdb_req req);
243		322
244	static int req_invoke (aio_req req)	323	static int req_invoke (bdb_req req)
245	{	324	{
246	dSP;	325	dSP;
247		326
248	if (SvOK (req->callback))	327	if (SvOK (req->callback))
249	{	328	{
250	ENTER;	329	ENTER;
251	SAVETMPS;	330	SAVETMPS;
252	PUSHMARK (SP);	331	PUSHMARK (SP);
253	EXTEND (SP, 1);
254		332
255	switch (req->type)	333	switch (req->type)
256	{	334	{
		335	case REQ_DB_CLOSE:
		336	SvREFCNT_dec (req->sv1);
		337	break;
		338
		339	case REQ_DB_GET:
		340	case REQ_DB_PGET:
		341	dbt_to_sv (req->sv3, &req->dbt3);
		342	break;
		343
		344	case REQ_C_GET:
		345	case REQ_C_PGET:
		346	dbt_to_sv (req->sv1, &req->dbt1);
		347	dbt_to_sv (req->sv2, &req->dbt2);
		348	dbt_to_sv (req->sv3, &req->dbt3);
		349	break;
		350
		351	case REQ_DB_PUT:
		352	case REQ_C_PUT:
		353	dbt_to_sv (0, &req->dbt1);
		354	dbt_to_sv (0, &req->dbt2);
		355	break;
		356
		357	case REQ_DB_KEY_RANGE:
		358	{
		359	AV *av = newAV ();
		360
		361	av_push (av, newSVnv (req->key_range.less));
		362	av_push (av, newSVnv (req->key_range.equal));
		363	av_push (av, newSVnv (req->key_range.greater));
		364
		365	SvREADONLY_off (req->sv1);
		366	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		367	SvREFCNT_dec (req->sv1);
		368	}
		369	break;
		370
		371	case REQ_SEQ_GET:
		372	SvREADONLY_off (req->sv1);
		373
		374	if (sizeof (IV) > 4)
		375	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		376	else
		377	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		378
		379	SvREFCNT_dec (req->sv1);
		380	break;
257	}	381	}
		382
		383	errno = req->result;
258		384
259	PUTBACK;	385	PUTBACK;
260	call_sv (req->callback, G_VOID \| G_EVAL);	386	call_sv (req->callback, G_VOID \| G_EVAL);
261	SPAGAIN;	387	SPAGAIN;
262		388
…		…
265	}	391	}
266		392
267	return !SvTRUE (ERRSV);	393	return !SvTRUE (ERRSV);
268	}	394	}
269		395
270	static void req_free (aio_req req)	396	static void req_free (bdb_req req)
271	{	397	{
272	free (req->buf1);	398	free (req->buf1);
273	free (req->buf2);	399	free (req->buf2);
274	Safefree (req);	400	Safefree (req);
275	}	401	}
276		402
277	static void aio_proc(void arg);	403	#ifdef USE_SOCKETS_AS_HANDLES
		404	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		405	#else
		406	# define TO_SOCKET(x) (x)
		407	#endif
		408
		409	static void
		410	create_respipe (void)
		411	{
		412	#ifdef _WIN32
		413	int arg; /* argg */
		414	#endif
		415	int old_readfd = respipe [0];
		416
		417	if (respipe [1] >= 0)
		418	respipe_close (TO_SOCKET (respipe [1]));
		419
		420	#ifdef _WIN32
		421	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		422	#else
		423	if (pipe (respipe))
		424	#endif
		425	croak ("unable to initialize result pipe");
		426
		427	if (old_readfd >= 0)
		428	{
		429	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		430	croak ("unable to initialize result pipe(2)");
		431
		432	respipe_close (respipe [0]);
		433	respipe [0] = old_readfd;
		434	}
		435
		436	#ifdef _WIN32
		437	arg = 1;
		438	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		439	\|\| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		440	#else
		441	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		442	\|\| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		443	#endif
		444	croak ("unable to initialize result pipe(3)");
		445
		446	respipe_osf [0] = TO_SOCKET (respipe [0]);
		447	respipe_osf [1] = TO_SOCKET (respipe [1]);
		448	}
		449
		450	X_THREAD_PROC (bdb_proc);
278		451
279	static void start_thread (void)	452	static void start_thread (void)
280	{	453	{
281	sigset_t fullsigset, oldsigset;
282	pthread_attr_t attr;
283
284	worker *wrk = calloc (1, sizeof (worker));	454	worker *wrk = calloc (1, sizeof (worker));
285		455
286	if (!wrk)	456	if (!wrk)
287	croak ("unable to allocate worker thread data");	457	croak ("unable to allocate worker thread data");
288		458
289	pthread_attr_init (&attr);
290	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
291	#ifdef PTHREAD_SCOPE_PROCESS
292	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
293	#endif
294
295	sigfillset (&fullsigset);
296
297	LOCK (wrklock);	459	X_LOCK (wrklock);
298	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
299
300	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	460	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
301	{	461	{
302	wrk->prev = &wrk_first;	462	wrk->prev = &wrk_first;
303	wrk->next = wrk_first.next;	463	wrk->next = wrk_first.next;
304	wrk_first.next->prev = wrk;	464	wrk_first.next->prev = wrk;
305	wrk_first.next = wrk;	465	wrk_first.next = wrk;
306	++started;	466	++started;
307	}	467	}
308	else	468	else
309	free (wrk);	469	free (wrk);
310		470
311	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
312	UNLOCK (wrklock);	471	X_UNLOCK (wrklock);
313	}	472	}
314		473
315	static void maybe_start_thread ()	474	static void maybe_start_thread (void)
316	{	475	{
317	if (get_nthreads () >= wanted)	476	if (get_nthreads () >= wanted)
318	return;	477	return;
319		478
320	/* todo: maybe use idle here, but might be less exact */	479	/* todo: maybe use idle here, but might be less exact */
…		…
322	return;	481	return;
323		482
324	start_thread ();	483	start_thread ();
325	}	484	}
326		485
327	static void req_send (aio_req req)	486	static void req_send (bdb_req req)
328	{	487	{
		488	SV *wait_callback = 0;
		489
		490	// synthesize callback if none given
		491	if (!SvOK (req->callback))
		492	{
		493	int count;
		494
		495	dSP;
		496	PUSHMARK (SP);
		497	PUTBACK;
		498	count = call_sv (prepare_cb, G_ARRAY);
		499	SPAGAIN;
		500
		501	if (count != 2)
		502	croak ("prepare callback must return exactly two values\n");
		503
		504	wait_callback = POPs;
		505	SvREFCNT_dec (req->callback);
		506	req->callback = SvREFCNT_inc (POPs);
		507	}
		508
329	++nreqs;	509	++nreqs;
330		510
331	LOCK (reqlock);	511	X_LOCK (reqlock);
332	++nready;	512	++nready;
333	reqq_push (&req_queue, req);	513	reqq_push (&req_queue, req);
334	pthread_cond_signal (&reqwait);	514	X_COND_SIGNAL (reqwait);
335	UNLOCK (reqlock);	515	X_UNLOCK (reqlock);
336		516
337	maybe_start_thread ();	517	maybe_start_thread ();
		518
		519	if (wait_callback)
		520	{
		521	dSP;
		522	PUSHMARK (SP);
		523	PUTBACK;
		524	call_sv (wait_callback, G_DISCARD);
		525	}
338	}	526	}
339		527
340	static void end_thread (void)	528	static void end_thread (void)
341	{	529	{
342	aio_req req;	530	bdb_req req;
343		531
344	Newz (0, req, 1, aio_cb);	532	Newz (0, req, 1, bdb_cb);
345		533
346	req->type = REQ_QUIT;	534	req->type = REQ_QUIT;
347	req->pri = PRI_MAX + PRI_BIAS;	535	req->pri = PRI_MAX + PRI_BIAS;
348		536
349	LOCK (reqlock);	537	X_LOCK (reqlock);
350	reqq_push (&req_queue, req);	538	reqq_push (&req_queue, req);
351	pthread_cond_signal (&reqwait);	539	X_COND_SIGNAL (reqwait);
352	UNLOCK (reqlock);	540	X_UNLOCK (reqlock);
353		541
354	LOCK (wrklock);	542	X_LOCK (wrklock);
355	--started;	543	--started;
356	UNLOCK (wrklock);	544	X_UNLOCK (wrklock);
357	}	545	}
358		546
359	static void set_max_idle (int nthreads)	547	static void set_max_idle (int nthreads)
360	{	548	{
361	if (WORDACCESS_UNSAFE) LOCK (reqlock);	549	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
362	max_idle = nthreads <= 0 ? 1 : nthreads;	550	max_idle = nthreads <= 0 ? 1 : nthreads;
363	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	551	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
364	}	552	}
365		553
366	static void min_parallel (int nthreads)	554	static void min_parallel (int nthreads)
367	{	555	{
368	if (wanted < nthreads)	556	if (wanted < nthreads)
…		…
376		564
377	while (started > wanted)	565	while (started > wanted)
378	end_thread ();	566	end_thread ();
379	}	567	}
380		568
381	static void poll_wait ()	569	static void poll_wait (void)
382	{	570	{
383	fd_set rfd;	571	fd_set rfd;
384		572
385	while (nreqs)	573	while (nreqs)
386	{	574	{
387	int size;	575	int size;
388	if (WORDACCESS_UNSAFE) LOCK (reslock);	576	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
389	size = res_queue.size;	577	size = res_queue.size;
390	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	578	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
391		579
392	if (size)	580	if (size)
393	return;	581	return;
394		582
395	maybe_start_thread ();	583	maybe_start_thread ();
396		584
397	FD_ZERO(&rfd);	585	FD_ZERO (&rfd);
398	FD_SET(respipe [0], &rfd);	586	FD_SET (respipe [0], &rfd);
399		587
400	select (respipe [0] + 1, &rfd, 0, 0, 0);	588	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
401	}	589	}
402	}	590	}
403		591
404	static int poll_cb ()	592	static int poll_cb (void)
405	{	593	{
406	dSP;	594	dSP;
407	int count = 0;	595	int count = 0;
408	int maxreqs = max_poll_reqs;	596	int maxreqs = max_poll_reqs;
409	int do_croak = 0;	597	int do_croak = 0;
410	struct timeval tv_start, tv_now;	598	struct timeval tv_start, tv_now;
411	aio_req req;	599	bdb_req req;
412		600
413	if (max_poll_time)	601	if (max_poll_time)
414	gettimeofday (&tv_start, 0);	602	gettimeofday (&tv_start, 0);
415		603
416	for (;;)	604	for (;;)
417	{	605	{
418	for (;;)	606	for (;;)
419	{	607	{
420	maybe_start_thread ();	608	maybe_start_thread ();
421		609
422	LOCK (reslock);	610	X_LOCK (reslock);
423	req = reqq_shift (&res_queue);	611	req = reqq_shift (&res_queue);
424		612
425	if (req)	613	if (req)
426	{	614	{
427	--npending;	615	--npending;
428		616
429	if (!res_queue.size)	617	if (!res_queue.size)
430	{	618	{
431	/* read any signals sent by the worker threads */	619	/* read any signals sent by the worker threads */
432	char buf [4];	620	char buf [4];
433	while (read (respipe [0], buf, 4) == 4)	621	while (respipe_read (respipe [0], buf, 4) == 4)
434	;	622	;
435	}	623	}
436	}	624	}
437		625
438	UNLOCK (reslock);	626	X_UNLOCK (reslock);
439		627
440	if (!req)	628	if (!req)
441	break;	629	break;
442		630
443	--nreqs;	631	--nreqs;
…		…
473	}	661	}
474		662
475	return count;	663	return count;
476	}	664	}
477		665
478	static void create_pipe ()
479	{
480	if (pipe (respipe))
481	croak ("unable to initialize result pipe");
482
483	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
484	croak ("cannot set result pipe to nonblocking mode");
485
486	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
487	croak ("cannot set result pipe to nonblocking mode");
488	}
489
490	/*****************************************************************************/	666	/*****************************************************************************/
491		667
492	static void aio_proc (void thr_arg)	668	X_THREAD_PROC (bdb_proc)
493	{	669	{
494	aio_req req;	670	bdb_req req;
495	struct timespec ts;	671	struct timespec ts;
496	worker self = (worker )thr_arg;	672	worker self = (worker )thr_arg;
497		673
498	/* try to distribute timeouts somewhat evenly */	674	/* try to distribute timeouts somewhat evenly */
499	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	675	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
500	* (1000000000UL / 1024UL);
501		676
502	for (;;)	677	for (;;)
503	{	678	{
504	ts.tv_sec = time (0) + IDLE_TIMEOUT;	679	ts.tv_sec = time (0) + IDLE_TIMEOUT;
505		680
506	LOCK (reqlock);	681	X_LOCK (reqlock);
507		682
508	for (;;)	683	for (;;)
509	{	684	{
510	self->req = req = reqq_shift (&req_queue);	685	self->req = req = reqq_shift (&req_queue);
511		686
512	if (req)	687	if (req)
513	break;	688	break;
514		689
515	++idle;	690	++idle;
516		691
517	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	692	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
518	== ETIMEDOUT)	693	== ETIMEDOUT)
519	{	694	{
520	if (idle > max_idle)	695	if (idle > max_idle)
521	{	696	{
522	--idle;	697	--idle;
523	UNLOCK (reqlock);	698	X_UNLOCK (reqlock);
524	LOCK (wrklock);	699	X_LOCK (wrklock);
525	--started;	700	--started;
526	UNLOCK (wrklock);	701	X_UNLOCK (wrklock);
527	goto quit;	702	goto quit;
528	}	703	}
529		704
530	/* we are allowed to idle, so do so without any timeout */	705	/* we are allowed to idle, so do so without any timeout */
531	pthread_cond_wait (&reqwait, &reqlock);	706	X_COND_WAIT (reqwait, reqlock);
532	ts.tv_sec = time (0) + IDLE_TIMEOUT;	707	ts.tv_sec = time (0) + IDLE_TIMEOUT;
533	}	708	}
534		709
535	--idle;	710	--idle;
536	}	711	}
537		712
538	--nready;	713	--nready;
539		714
540	UNLOCK (reqlock);	715	X_UNLOCK (reqlock);
541		716
542	errno = 0; /* strictly unnecessary */
543
544	switch (req->type)	717	switch (req->type)
545	{	718	{
546	case REQ_QUIT:	719	case REQ_QUIT:
		720	req->result = ENOSYS;
547	goto quit;	721	goto quit;
548		722
		723	case REQ_ENV_OPEN:
		724	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
		725	break;
		726
		727	case REQ_ENV_CLOSE:
		728	req->result = req->env->close (req->env, req->uint1);
		729	break;
		730
		731	case REQ_ENV_TXN_CHECKPOINT:
		732	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		733	break;
		734
		735	case REQ_ENV_LOCK_DETECT:
		736	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		737	break;
		738
		739	case REQ_ENV_MEMP_SYNC:
		740	req->result = req->env->memp_sync (req->env, 0);
		741	break;
		742
		743	case REQ_ENV_MEMP_TRICKLE:
		744	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		745	break;
		746
		747	case REQ_DB_OPEN:
		748	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
		749	break;
		750
		751	case REQ_DB_CLOSE:
		752	req->result = req->db->close (req->db, req->uint1);
		753	break;
		754
		755	case REQ_DB_COMPACT:
		756	req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
		757	break;
		758
		759	case REQ_DB_SYNC:
		760	req->result = req->db->sync (req->db, req->uint1);
		761	break;
		762
		763	case REQ_DB_UPGRADE:
		764	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		765	break;
		766
		767	case REQ_DB_PUT:
		768	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
		769	break;
		770
		771	case REQ_DB_GET:
		772	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
		773	break;
		774
		775	case REQ_DB_PGET:
		776	req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		777	break;
		778
		779	case REQ_DB_DEL:
		780	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
		781	break;
		782
		783	case REQ_DB_KEY_RANGE:
		784	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		785	break;
		786
		787	case REQ_TXN_COMMIT:
		788	req->result = req->txn->commit (req->txn, req->uint1);
		789	break;
		790
		791	case REQ_TXN_ABORT:
		792	req->result = req->txn->abort (req->txn);
		793	break;
		794
		795	case REQ_TXN_FINISH:
		796	if (req->txn->flags & TXN_DEADLOCK)
		797	{
		798	req->result = req->txn->abort (req->txn);
		799	if (!req->result)
		800	req->result = DB_LOCK_DEADLOCK;
		801	}
		802	else
		803	req->result = req->txn->commit (req->txn, req->uint1);
		804	break;
		805
		806	case REQ_C_CLOSE:
		807	req->result = req->dbc->c_close (req->dbc);
		808	break;
		809
		810	case REQ_C_COUNT:
		811	{
		812	db_recno_t recno;
		813	req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
		814	req->uv1 = recno;
		815	}
		816	break;
		817
		818	case REQ_C_PUT:
		819	req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
		820	break;
		821
		822	case REQ_C_GET:
		823	req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
		824	break;
		825
		826	case REQ_C_PGET:
		827	req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
		828	break;
		829
		830	case REQ_C_DEL:
		831	req->result = req->dbc->c_del (req->dbc, req->uint1);
		832	break;
		833
		834	case REQ_SEQ_OPEN:
		835	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		836	break;
		837
		838	case REQ_SEQ_CLOSE:
		839	req->result = req->seq->close (req->seq, req->uint1);
		840	break;
		841
		842	case REQ_SEQ_GET:
		843	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		844	break;
		845
		846	case REQ_SEQ_REMOVE:
		847	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		848	break;
		849
549	default:	850	default:
550	//req->result = ENOSYS;	851	req->result = ENOSYS;
551	break;	852	break;
552	}	853	}
553		854
554	//req->errorno = errno;	855	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		856	req->txn->flags \|= TXN_DEADLOCK;
555		857
556	LOCK (reslock);	858	X_LOCK (reslock);
557		859
558	++npending;	860	++npending;
559		861
560	if (!reqq_push (&res_queue, req))	862	if (!reqq_push (&res_queue, req))
561	/* write a dummy byte to the pipe so fh becomes ready */	863	/* write a dummy byte to the pipe so fh becomes ready */
562	write (respipe [1], &respipe, 1);	864	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
563		865
564	self->req = 0;	866	self->req = 0;
565	worker_clear (self);	867	worker_clear (self);
566		868
567	UNLOCK (reslock);	869	X_UNLOCK (reslock);
568	}	870	}
569		871
570	quit:	872	quit:
571	LOCK (wrklock);	873	X_LOCK (wrklock);
572	worker_free (self);	874	worker_free (self);
573	UNLOCK (wrklock);	875	X_UNLOCK (wrklock);
574		876
575	return 0;	877	return 0;
576	}	878	}
577		879
578	/*****************************************************************************/	880	/*****************************************************************************/
579		881
580	static void atfork_prepare (void)	882	static void atfork_prepare (void)
581	{	883	{
582	LOCK (wrklock);	884	X_LOCK (wrklock);
583	LOCK (reqlock);	885	X_LOCK (reqlock);
584	LOCK (reslock);	886	X_LOCK (reslock);
585	}	887	}
586		888
587	static void atfork_parent (void)	889	static void atfork_parent (void)
588	{	890	{
589	UNLOCK (reslock);	891	X_UNLOCK (reslock);
590	UNLOCK (reqlock);	892	X_UNLOCK (reqlock);
591	UNLOCK (wrklock);	893	X_UNLOCK (wrklock);
592	}	894	}
593		895
594	static void atfork_child (void)	896	static void atfork_child (void)
595	{	897	{
596	aio_req prv;	898	bdb_req prv;
597		899
598	while (prv = reqq_shift (&req_queue))	900	while (prv = reqq_shift (&req_queue))
599	req_free (prv);	901	req_free (prv);
600		902
601	while (prv = reqq_shift (&res_queue))	903	while (prv = reqq_shift (&res_queue))
…		…
616	idle = 0;	918	idle = 0;
617	nreqs = 0;	919	nreqs = 0;
618	nready = 0;	920	nready = 0;
619	npending = 0;	921	npending = 0;
620		922
621	close (respipe [0]);
622	close (respipe [1]);
623	create_pipe ();	923	create_respipe ();
624		924
625	atfork_parent ();	925	atfork_parent ();
626	}	926	}
627		927
628	#define dREQ(reqtype) \	928	#define dREQ(reqtype) \
629	aio_req req; \	929	bdb_req req; \
630	int req_pri = next_pri; \	930	int req_pri = next_pri; \
631	next_pri = DEFAULT_PRI + PRI_BIAS; \	931	next_pri = DEFAULT_PRI + PRI_BIAS; \
632	\	932	\
633	if (SvOK (callback) && !SvROK (callback)) \	933	if (SvOK (callback) && !SvROK (callback)) \
634	croak ("callback must be undef or of reference type"); \	934	croak ("callback must be undef or of reference type"); \
635	\	935	\
636	Newz (0, req, 1, aio_cb); \	936	Newz (0, req, 1, bdb_cb); \
637	if (!req) \	937	if (!req) \
638	croak ("out of memory during aio_req allocation"); \	938	croak ("out of memory during bdb_req allocation"); \
639	\	939	\
640	req->callback = newSVsv (callback); \	940	req->callback = newSVsv (callback); \
641	req->type = (reqtype); \	941	req->type = (reqtype); \
642	req->pri = req_pri	942	req->pri = req_pri
643		943
644	#define REQ_SEND \	944	#define REQ_SEND \
645	req_send (req)	945	req_send (req)
646		946
647	#define SvPTR(var, arg, type, class) \	947	#define SvPTR(var, arg, type, class, nullok) \
648	if (!SvOK (arg)) \	948	if (!SvOK (arg)) \
		949	{ \
		950	if (nullok != 1) \
		951	croak (# var " must be a " # class " object, not undef"); \
		952	\
649	(var) = 0; \	953	(var) = 0; \
		954	} \
650	else if (sv_derived_from ((arg), # class)) \	955	else if (sv_derived_from ((arg), # class)) \
651	{ \	956	{ \
652	IV tmp = SvIV ((SV*) SvRV (arg)); \	957	IV tmp = SvIV ((SV*) SvRV (arg)); \
653	(var) = INT2PTR (type, tmp); \	958	(var) = INT2PTR (type, tmp); \
		959	if (!var && nullok != 2) \
		960	croak (# var " is not a valid " # class " object anymore"); \
654	} \	961	} \
655	else \	962	else \
656	Perl_croak (# var " is not of type " # type)	963	croak (# var " is not of type " # class); \
657		964	\
		965
		966	static void
		967	ptr_nuke (SV *sv)
		968	{
		969	assert (SvROK (sv));
		970	sv_setiv (SvRV (sv), 0);
		971	}
		972
		973	static int
		974	errno_get (pTHX_ SV sv, MAGIC mg)
		975	{
		976	if (*mg->mg_ptr == '!') // should always be the case
		977	if (-30999 <= errno && errno <= -30800)
		978	{
		979	sv_setnv (sv, (NV)errno);
		980	sv_setpv (sv, db_strerror (errno));
		981	SvNOK_on (sv); /* what a wonderful hack! */
		982	// ^^^ copied from perl sources
		983	return 0;
		984	}
		985
		986	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		987	}
		988
		989	static MGVTBL vtbl_errno;
		990
		991	// this wonderful hack :( patches perl's $! variable to support our errno values
		992	static void
		993	patch_errno (void)
		994	{
		995	SV *sv;
		996	MAGIC *mg;
		997
		998	if (!(sv = get_sv ("!", 1)))
		999	return;
		1000
		1001	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1002	return;
		1003
		1004	if (mg->mg_virtual != &PL_vtbl_sv)
		1005	return;
		1006
		1007	vtbl_errno = PL_vtbl_sv;
		1008	vtbl_errno.svt_get = errno_get;
		1009	mg->mg_virtual = &vtbl_errno;
		1010	}
		1011
658	MODULE = BDB PACKAGE = BDB	1012	MODULE = BDB PACKAGE = BDB
659		1013
660	PROTOTYPES: ENABLE	1014	PROTOTYPES: ENABLE
661		1015
662	BOOT:	1016	BOOT:
…		…
677	const_iv (INIT_TXN)	1031	const_iv (INIT_TXN)
678	const_iv (RECOVER)	1032	const_iv (RECOVER)
679	const_iv (INIT_TXN)	1033	const_iv (INIT_TXN)
680	const_iv (RECOVER_FATAL)	1034	const_iv (RECOVER_FATAL)
681	const_iv (CREATE)	1035	const_iv (CREATE)
		1036	const_iv (RDONLY)
682	const_iv (USE_ENVIRON)	1037	const_iv (USE_ENVIRON)
683	const_iv (USE_ENVIRON_ROOT)	1038	const_iv (USE_ENVIRON_ROOT)
684	const_iv (LOCKDOWN)	1039	const_iv (LOCKDOWN)
685	const_iv (PRIVATE)	1040	const_iv (PRIVATE)
686	const_iv (REGISTER)	1041	const_iv (REGISTER)
…		…
692	const_iv (DSYNC_DB)	1047	const_iv (DSYNC_DB)
693	const_iv (DSYNC_LOG)	1048	const_iv (DSYNC_LOG)
694	const_iv (LOG_AUTOREMOVE)	1049	const_iv (LOG_AUTOREMOVE)
695	const_iv (LOG_INMEMORY)	1050	const_iv (LOG_INMEMORY)
696	const_iv (NOLOCKING)	1051	const_iv (NOLOCKING)
697	const_iv (MULTIVERSION)
698	const_iv (NOMMAP)	1052	const_iv (NOMMAP)
699	const_iv (NOPANIC)	1053	const_iv (NOPANIC)
700	const_iv (OVERWRITE)	1054	const_iv (OVERWRITE)
701	const_iv (PANIC_ENVIRONMENT)	1055	const_iv (PANIC_ENVIRONMENT)
702	const_iv (REGION_INIT)	1056	const_iv (REGION_INIT)
703	const_iv (TIME_NOTGRANTED)	1057	const_iv (TIME_NOTGRANTED)
704	const_iv (TXN_NOSYNC)	1058	const_iv (TXN_NOSYNC)
705	const_iv (TXN_SNAPSHOT)	1059	const_iv (TXN_NOT_DURABLE)
706	const_iv (TXN_WRITE_NOSYNC)	1060	const_iv (TXN_WRITE_NOSYNC)
		1061	const_iv (WRITECURSOR)
707	const_iv (YIELDCPU)	1062	const_iv (YIELDCPU)
708	const_iv (ENCRYPT_AES)	1063	const_iv (ENCRYPT_AES)
709	const_iv (XA_CREATE)	1064	const_iv (XA_CREATE)
710	const_iv (BTREE)	1065	const_iv (BTREE)
711	const_iv (HASH)	1066	const_iv (HASH)
712	const_iv (QUEUE)	1067	const_iv (QUEUE)
713	const_iv (RECNO)	1068	const_iv (RECNO)
714	const_iv (UNKNOWN)	1069	const_iv (UNKNOWN)
715	const_iv (EXCL)	1070	const_iv (EXCL)
		1071	const_iv (READ_COMMITTED)
716	const_iv (READ_UNCOMMITTED)	1072	const_iv (READ_UNCOMMITTED)
717	const_iv (TRUNCATE)	1073	const_iv (TRUNCATE)
718	const_iv (NOSYNC)	1074	const_iv (NOSYNC)
719	const_iv (CHKSUM)	1075	const_iv (CHKSUM)
720	const_iv (ENCRYPT)	1076	const_iv (ENCRYPT)
721	const_iv (TXN_NOT_DURABLE)
722	const_iv (DUP)	1077	const_iv (DUP)
723	const_iv (DUPSORT)	1078	const_iv (DUPSORT)
724	const_iv (RECNUM)	1079	const_iv (RECNUM)
725	const_iv (RENUMBER)	1080	const_iv (RENUMBER)
726	const_iv (REVSPLITOFF)	1081	const_iv (REVSPLITOFF)
727	const_iv (INORDER)	1082	const_iv (INORDER)
728	const_iv (CONSUME)	1083	const_iv (CONSUME)
729	const_iv (CONSUME_WAIT)	1084	const_iv (CONSUME_WAIT)
		1085	const_iv (GET_BOTH)
		1086	const_iv (GET_BOTH_RANGE)
		1087	//const_iv (SET_RECNO)
		1088	//const_iv (MULTIPLE)
730	const_iv (SNAPSHOT)	1089	const_iv (SNAPSHOT)
731	const_iv (JOIN_ITEM)	1090	const_iv (JOIN_ITEM)
		1091	const_iv (JOIN_NOSORT)
732	const_iv (RMW)	1092	const_iv (RMW)
733		1093
734	const_iv (NOTFOUND)	1094	const_iv (NOTFOUND)
735	const_iv (KEYEMPTY)	1095	const_iv (KEYEMPTY)
736	const_iv (LOCK_DEADLOCK)	1096	const_iv (LOCK_DEADLOCK)
737	const_iv (LOCK_NOTGRANTED)	1097	const_iv (LOCK_NOTGRANTED)
738	const_iv (RUNRECOVERY)	1098	const_iv (RUNRECOVERY)
		1099	const_iv (OLD_VERSION)
		1100	const_iv (REP_HANDLE_DEAD)
		1101	const_iv (REP_LOCKOUT)
		1102	const_iv (SECONDARY_BAD)
		1103
		1104	const_iv (FREE_SPACE)
		1105	const_iv (FREELIST_ONLY)
		1106
		1107	const_iv (APPEND)
		1108	const_iv (NODUPDATA)
		1109	const_iv (NOOVERWRITE)
		1110
		1111	const_iv (TXN_NOWAIT)
		1112	const_iv (TXN_SYNC)
		1113
		1114	const_iv (SET_LOCK_TIMEOUT)
		1115	const_iv (SET_TXN_TIMEOUT)
		1116
		1117	const_iv (FIRST)
		1118	const_iv (NEXT)
		1119	const_iv (NEXT_DUP)
		1120	const_iv (NEXT_NODUP)
		1121	const_iv (PREV)
		1122	const_iv (PREV_NODUP)
		1123	const_iv (SET)
		1124	const_iv (SET_RANGE)
		1125	const_iv (LAST)
		1126	const_iv (BEFORE)
		1127	const_iv (AFTER)
		1128	const_iv (CURRENT)
		1129	const_iv (KEYFIRST)
		1130	const_iv (KEYLAST)
		1131	const_iv (NODUPDATA)
		1132
		1133	const_iv (FORCE)
		1134
		1135	const_iv (LOCK_DEFAULT)
		1136	const_iv (LOCK_EXPIRE)
		1137	const_iv (LOCK_MAXLOCKS)
		1138	const_iv (LOCK_MAXWRITE)
		1139	const_iv (LOCK_MINLOCKS)
		1140	const_iv (LOCK_MINWRITE)
		1141	const_iv (LOCK_OLDEST)
		1142	const_iv (LOCK_RANDOM)
		1143	const_iv (LOCK_YOUNGEST)
		1144
		1145	const_iv (SEQ_DEC)
		1146	const_iv (SEQ_INC)
		1147	const_iv (SEQ_WRAP)
		1148
		1149	const_iv (BUFFER_SMALL)
		1150	const_iv (DONOTINDEX)
		1151	const_iv (KEYEMPTY )
		1152	const_iv (KEYEXIST )
		1153	const_iv (LOCK_DEADLOCK)
		1154	const_iv (LOCK_NOTGRANTED)
		1155	const_iv (LOG_BUFFER_FULL)
		1156	const_iv (NOSERVER)
		1157	const_iv (NOSERVER_HOME)
		1158	const_iv (NOSERVER_ID)
		1159	const_iv (NOTFOUND)
		1160	const_iv (PAGE_NOTFOUND)
		1161	const_iv (REP_DUPMASTER)
		1162	const_iv (REP_HANDLE_DEAD)
		1163	const_iv (REP_HOLDELECTION)
		1164	const_iv (REP_IGNORE)
		1165	const_iv (REP_ISPERM)
		1166	const_iv (REP_JOIN_FAILURE)
		1167	const_iv (REP_LOCKOUT)
		1168	const_iv (REP_NEWMASTER)
		1169	const_iv (REP_NEWSITE)
		1170	const_iv (REP_NOTPERM)
		1171	const_iv (REP_UNAVAIL)
		1172	const_iv (RUNRECOVERY)
		1173	const_iv (SECONDARY_BAD)
		1174	const_iv (VERIFY_BAD)
		1175	const_iv (VERSION_MISMATCH)
		1176
		1177	const_iv (VERB_DEADLOCK)
		1178	const_iv (VERB_RECOVERY)
		1179	const_iv (VERB_REGISTER)
		1180	const_iv (VERB_REPLICATION)
		1181	const_iv (VERB_WAITSFOR)
		1182
		1183	const_iv (VERSION_MAJOR)
		1184	const_iv (VERSION_MINOR)
		1185	const_iv (VERSION_PATCH)
		1186	#if DB_VERSION_MINOR >= 5
		1187	const_iv (MULTIVERSION)
		1188	const_iv (TXN_SNAPSHOT)
		1189	#endif
		1190	#if DB_VERSION_MINOR >= 6
		1191	const_iv (PREV_DUP)
		1192	const_iv (PRIORITY_UNCHANGED)
		1193	const_iv (PRIORITY_VERY_LOW)
		1194	const_iv (PRIORITY_LOW)
		1195	const_iv (PRIORITY_DEFAULT)
		1196	const_iv (PRIORITY_HIGH)
		1197	const_iv (PRIORITY_VERY_HIGH)
		1198	#endif
739	};	1199	};
740		1200
741	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1201	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
742	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1202	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
743		1203
744	create_pipe ();	1204	newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
		1205	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1206
		1207	create_respipe ();
		1208
745	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1209	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1210	#ifdef _WIN32
		1211	X_MUTEX_CHECK (wrklock);
		1212	X_MUTEX_CHECK (reslock);
		1213	X_MUTEX_CHECK (reqlock);
		1214
		1215	X_COND_CHECK (reqwait);
		1216	#endif
		1217	patch_errno ();
746	}	1218	}
747		1219
748	void	1220	void
749	max_poll_reqs (int nreqs)	1221	max_poll_reqs (int nreqs)
750	PROTOTYPE: $	1222	PROTOTYPE: $
…		…
779	max_outstanding = maxreqs;	1251	max_outstanding = maxreqs;
780	OUTPUT:	1252	OUTPUT:
781	RETVAL	1253	RETVAL
782		1254
783	int	1255	int
784	bdbreq_pri (int pri = 0)	1256	dbreq_pri (int pri = 0)
785	PROTOTYPE: ;$	1257	PROTOTYPE: ;$
786	CODE:	1258	CODE:
787	RETVAL = next_pri - PRI_BIAS;	1259	RETVAL = next_pri - PRI_BIAS;
788	if (items > 0)	1260	if (items > 0)
789	{	1261	{
…		…
793	}	1265	}
794	OUTPUT:	1266	OUTPUT:
795	RETVAL	1267	RETVAL
796		1268
797	void	1269	void
798	bdbreq_nice (int nice = 0)	1270	dbreq_nice (int nice = 0)
799	CODE:	1271	CODE:
800	nice = next_pri - nice;	1272	nice = next_pri - nice;
801	if (nice < PRI_MIN) nice = PRI_MIN;	1273	if (nice < PRI_MIN) nice = PRI_MIN;
802	if (nice > PRI_MAX) nice = PRI_MAX;	1274	if (nice > PRI_MAX) nice = PRI_MAX;
803	next_pri = nice + PRI_BIAS;	1275	next_pri = nice + PRI_BIAS;
…		…
811	poll_wait ();	1283	poll_wait ();
812	poll_cb ();	1284	poll_cb ();
813	}	1285	}
814		1286
815	int	1287	int
816	poll()	1288	poll ()
817	PROTOTYPE:	1289	PROTOTYPE:
818	CODE:	1290	CODE:
819	poll_wait ();	1291	poll_wait ();
820	RETVAL = poll_cb ();	1292	RETVAL = poll_cb ();
821	OUTPUT:	1293	OUTPUT:
822	RETVAL	1294	RETVAL
823		1295
824	int	1296	int
825	poll_fileno()	1297	poll_fileno ()
826	PROTOTYPE:	1298	PROTOTYPE:
827	CODE:	1299	CODE:
828	RETVAL = respipe [0];	1300	RETVAL = respipe [0];
829	OUTPUT:	1301	OUTPUT:
830	RETVAL	1302	RETVAL
831		1303
832	int	1304	int
833	poll_cb(...)	1305	poll_cb (...)
834	PROTOTYPE:	1306	PROTOTYPE:
835	CODE:	1307	CODE:
836	RETVAL = poll_cb ();	1308	RETVAL = poll_cb ();
837	OUTPUT:	1309	OUTPUT:
838	RETVAL	1310	RETVAL
839		1311
840	void	1312	void
841	poll_wait()	1313	poll_wait ()
842	PROTOTYPE:	1314	PROTOTYPE:
843	CODE:	1315	CODE:
844	poll_wait ();	1316	poll_wait ();
845		1317
846	int	1318	int
847	nreqs()	1319	nreqs ()
848	PROTOTYPE:	1320	PROTOTYPE:
849	CODE:	1321	CODE:
850	RETVAL = nreqs;	1322	RETVAL = nreqs;
851	OUTPUT:	1323	OUTPUT:
852	RETVAL	1324	RETVAL
853		1325
854	int	1326	int
855	nready()	1327	nready ()
856	PROTOTYPE:	1328	PROTOTYPE:
857	CODE:	1329	CODE:
858	RETVAL = get_nready ();	1330	RETVAL = get_nready ();
859	OUTPUT:	1331	OUTPUT:
860	RETVAL	1332	RETVAL
861		1333
862	int	1334	int
863	npending()	1335	npending ()
864	PROTOTYPE:	1336	PROTOTYPE:
865	CODE:	1337	CODE:
866	RETVAL = get_npending ();	1338	RETVAL = get_npending ();
867	OUTPUT:	1339	OUTPUT:
868	RETVAL	1340	RETVAL
869		1341
870	int	1342	int
871	nthreads()	1343	nthreads ()
872	PROTOTYPE:	1344	PROTOTYPE:
873	CODE:	1345	CODE:
874	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1346	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
875	RETVAL = started;	1347	RETVAL = started;
876	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1348	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
877	OUTPUT:	1349	OUTPUT:
878	RETVAL	1350	RETVAL
879		1351
		1352	void
		1353	set_sync_prepare (SV *cb)
		1354	PROTOTYPE: &
		1355	CODE:
		1356	SvREFCNT_dec (prepare_cb);
		1357	prepare_cb = newSVsv (cb);
		1358
		1359	char *
		1360	strerror (int errorno = errno)
		1361	PROTOTYPE: ;$
		1362	CODE:
		1363	RETVAL = db_strerror (errorno);
		1364	OUTPUT:
		1365	RETVAL
		1366
880	DB_ENV *	1367	DB_ENV *
881	bdb_env_create (U32 env_flags = 0)	1368	db_env_create (U32 env_flags = 0)
882	CODE:	1369	CODE:
883	{	1370	{
884	int err = db_env_create (&RETVAL, env_flags);	1371	errno = db_env_create (&RETVAL, env_flags);
885	if (err)	1372	if (errno)
886	croak ("db_env_create: %s", db_strerror (err));	1373	croak ("db_env_create: %s", db_strerror (errno));
887	}
888		1374
		1375	if (0)
		1376	{
		1377	RETVAL->set_errcall (RETVAL, debug_errcall);
		1378	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1379	}
		1380	}
		1381	OUTPUT:
		1382	RETVAL
		1383
889	void	1384	void
890	bdb_env_open (DB_ENV env, char db_home, U32 open_flags, int mode, SV *callback = 0)	1385	db_env_open (DB_ENV env, bdb_filename db_home, U32 open_flags, int mode, SV callback = &PL_sv_undef)
891	CODE:	1386	CODE:
892	{	1387	{
893	dREQ (REQ_ENV_OPEN);	1388	dREQ (REQ_ENV_OPEN);
		1389
894	req->env = env;	1390	req->env = env;
895	req->uint1 = open_flags;	1391	req->uint1 = open_flags \| DB_THREAD;
896	req->int1 = mode;	1392	req->int1 = mode;
897	req->buf1 = strdup (db_home);	1393	req->buf1 = strdup_ornull (db_home);
898	REQ_SEND;	1394	REQ_SEND;
899	}	1395	}
900		1396
901	void	1397	void
902	bdb_env_close (DB_ENV env, U32 flags = 0, SV callback = 0)	1398	db_env_close (DB_ENV env, U32 flags = 0, SV callback = &PL_sv_undef)
903	CODE:	1399	CODE:
904	{	1400	{
905	dREQ (REQ_ENV_CLOSE);	1401	dREQ (REQ_ENV_CLOSE);
906	req->env = env;	1402	req->env = env;
907	req->uint1 = flags;	1403	req->uint1 = flags;
908	REQ_SEND;	1404	REQ_SEND;
		1405	ptr_nuke (ST (0));
909	}	1406	}
		1407
		1408	void
		1409	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = &PL_sv_undef)
		1410	CODE:
		1411	{
		1412	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1413	req->env = env;
		1414	req->uint1 = kbyte;
		1415	req->int1 = min;
		1416	req->uint2 = flags;
		1417	REQ_SEND;
		1418	}
		1419
		1420	void
		1421	db_env_lock_detect (DB_ENV env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV dummy = 0, SV *callback = &PL_sv_undef)
		1422	CODE:
		1423	{
		1424	dREQ (REQ_ENV_LOCK_DETECT);
		1425	req->env = env;
		1426	req->uint1 = flags;
		1427	req->uint2 = atype;
		1428	REQ_SEND;
		1429	}
		1430
		1431	void
		1432	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = &PL_sv_undef)
		1433	CODE:
		1434	{
		1435	dREQ (REQ_ENV_MEMP_SYNC);
		1436	req->env = env;
		1437	REQ_SEND;
		1438	}
		1439
		1440	void
		1441	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = &PL_sv_undef)
		1442	CODE:
		1443	{
		1444	dREQ (REQ_ENV_MEMP_TRICKLE);
		1445	req->env = env;
		1446	req->int1 = percent;
		1447	REQ_SEND;
		1448	}
		1449
910		1450
911	DB *	1451	DB *
912	bdb_db_create (DB_ENV *env = 0, U32 flags = 0)	1452	db_create (DB_ENV *env = 0, U32 flags = 0)
913	CODE:	1453	CODE:
914	{	1454	{
915	int err = db_create (&RETVAL, env, flags);	1455	errno = db_create (&RETVAL, env, flags);
916	if (err)	1456	if (errno)
917	croak ("db_env_create: %s", db_strerror (err));	1457	croak ("db_create: %s", db_strerror (errno));
918	}
919		1458
		1459	if (RETVAL)
		1460	RETVAL->app_private = (void *)newSVsv (ST (0));
		1461	}
		1462	OUTPUT:
		1463	RETVAL
		1464
920	void	1465	void
921	bdb_db_open (DB db, DB_TXN txnid, const char file, const char database, int type, U32 flags, int mode, SV *callback = 0)	1466	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)
922	CODE:	1467	CODE:
923	{	1468	{
924	dREQ (REQ_DB_OPEN);	1469	dREQ (REQ_DB_OPEN);
925	req->db = db;	1470	req->db = db;
926	req->txn = txnid;	1471	req->txn = txnid;
927	req->buf1 = strdup (file);	1472	req->buf1 = strdup_ornull (file);
928	req->buf2 = strdup (database);	1473	req->buf2 = strdup_ornull (database);
929	req->int1 = type;	1474	req->int1 = type;
930	req->uint1 = flags;	1475	req->uint1 = flags \| DB_THREAD;
931	req->int2 = mode;	1476	req->int2 = mode;
932	REQ_SEND;	1477	REQ_SEND;
933	}	1478	}
934		1479
935	void	1480	void
936	bdb_db_close (DB db, U32 flags = 0, SV callback = 0)	1481	db_close (DB db, U32 flags = 0, SV callback = &PL_sv_undef)
937	CODE:	1482	CODE:
938	{	1483	{
939	dREQ (REQ_DB_CLOSE);	1484	dREQ (REQ_DB_CLOSE);
940	req->db = db;	1485	req->db = db;
941	req->uint1 = flags;	1486	req->uint1 = flags;
		1487	req->sv1 = (SV *)db->app_private;
		1488	REQ_SEND;
		1489	ptr_nuke (ST (0));
		1490	}
		1491
		1492	void
		1493	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)
		1494	CODE:
		1495	{
		1496	dREQ (REQ_DB_COMPACT);
		1497	req->db = db;
		1498	req->txn = txn;
		1499	sv_to_dbt (&req->dbt1, start);
		1500	sv_to_dbt (&req->dbt2, stop);
		1501	req->uint1 = flags;
		1502	REQ_SEND;
		1503	}
		1504
		1505	void
		1506	db_sync (DB db, U32 flags = 0, SV callback = &PL_sv_undef)
		1507	CODE:
		1508	{
		1509	dREQ (REQ_DB_SYNC);
		1510	req->db = db;
		1511	req->uint1 = flags;
		1512	REQ_SEND;
		1513	}
		1514
		1515	void
		1516	db_upgrade (DB db, bdb_filename file, U32 flags = 0, SV callback = &PL_sv_undef)
		1517	CODE:
		1518	{
		1519	dREQ (REQ_DB_SYNC);
		1520	req->db = db;
		1521	req->buf1 = strdup (file);
		1522	req->uint1 = flags;
		1523	REQ_SEND;
		1524	}
		1525
		1526	void
		1527	db_key_range (DB db, DB_TXN_ornull txn, SV key, SV key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
		1528	CODE:
		1529	{
		1530	dREQ (REQ_DB_KEY_RANGE);
		1531	req->db = db;
		1532	req->txn = txn;
		1533	sv_to_dbt (&req->dbt1, key);
		1534	req->uint1 = flags;
		1535	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1536	REQ_SEND;
		1537	}
		1538
		1539	void
		1540	db_put (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1541	CODE:
		1542	{
		1543	dREQ (REQ_DB_PUT);
		1544	req->db = db;
		1545	req->txn = txn;
		1546	sv_to_dbt (&req->dbt1, key);
		1547	sv_to_dbt (&req->dbt2, data);
		1548	req->uint1 = flags;
		1549	REQ_SEND;
		1550	}
		1551
		1552	void
		1553	db_get (DB db, DB_TXN_ornull txn, SV key, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1554	CODE:
		1555	if (SvREADONLY (data))
		1556	croak ("can't modify read-only data scalar in db_get");
		1557	{
		1558	dREQ (REQ_DB_GET);
		1559	req->db = db;
		1560	req->txn = txn;
		1561	req->uint1 = flags;
		1562	sv_to_dbt (&req->dbt1, key);
		1563	req->dbt3.flags = DB_DBT_MALLOC;
		1564	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1565	REQ_SEND;
		1566	}
		1567
		1568	void
		1569	db_pget (DB db, DB_TXN_ornull txn, SV key, SV pkey, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1570	CODE:
		1571	if (SvREADONLY (data))
		1572	croak ("can't modify read-only data scalar in db_pget");
		1573	{
		1574	dREQ (REQ_DB_PGET);
		1575	req->db = db;
		1576	req->txn = txn;
		1577	req->uint1 = flags;
		1578	sv_to_dbt (&req->dbt1, key);
		1579	sv_to_dbt (&req->dbt2, pkey);
		1580	req->dbt3.flags = DB_DBT_MALLOC;
		1581	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1582	REQ_SEND;
		1583	}
		1584
		1585	void
		1586	db_del (DB db, DB_TXN_ornull txn, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
		1587	CODE:
		1588	{
		1589	dREQ (REQ_DB_DEL);
		1590	req->db = db;
		1591	req->txn = txn;
		1592	req->uint1 = flags;
		1593	sv_to_dbt (&req->dbt1, key);
		1594	REQ_SEND;
		1595	}
		1596
		1597	void
		1598	db_txn_commit (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
		1599	CODE:
		1600	{
		1601	dREQ (REQ_TXN_COMMIT);
		1602	req->txn = txn;
		1603	req->uint1 = flags;
		1604	REQ_SEND;
		1605	ptr_nuke (ST (0));
		1606	}
		1607
		1608	void
		1609	db_txn_abort (DB_TXN txn, SV callback = &PL_sv_undef)
		1610	CODE:
		1611	{
		1612	dREQ (REQ_TXN_ABORT);
		1613	req->txn = txn;
		1614	REQ_SEND;
		1615	ptr_nuke (ST (0));
		1616	}
		1617
		1618	void
		1619	db_txn_finish (DB_TXN txn, U32 flags = 0, SV callback = &PL_sv_undef)
		1620	CODE:
		1621	{
		1622	dREQ (REQ_TXN_FINISH);
		1623	req->txn = txn;
		1624	req->uint1 = flags;
		1625	REQ_SEND;
		1626	ptr_nuke (ST (0));
		1627	}
		1628
		1629	void
		1630	db_c_close (DBC dbc, SV callback = &PL_sv_undef)
		1631	CODE:
		1632	{
		1633	dREQ (REQ_C_CLOSE);
		1634	req->dbc = dbc;
		1635	REQ_SEND;
		1636	ptr_nuke (ST (0));
		1637	}
		1638
		1639	void
		1640	db_c_count (DBC dbc, SV count, U32 flags = 0, SV *callback = &PL_sv_undef)
		1641	CODE:
		1642	{
		1643	dREQ (REQ_C_COUNT);
		1644	req->dbc = dbc;
		1645	req->sv1 = SvREFCNT_inc (count);
		1646	REQ_SEND;
		1647	}
		1648
		1649	void
		1650	db_c_put (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1651	CODE:
		1652	{
		1653	dREQ (REQ_C_PUT);
		1654	req->dbc = dbc;
		1655	sv_to_dbt (&req->dbt1, key);
		1656	sv_to_dbt (&req->dbt2, data);
		1657	req->uint1 = flags;
		1658	REQ_SEND;
		1659	}
		1660
		1661	void
		1662	db_c_get (DBC dbc, SV key, SV data, U32 flags = 0, SV callback = &PL_sv_undef)
		1663	CODE:
		1664	{
		1665	dREQ (REQ_C_GET);
		1666	req->dbc = dbc;
		1667	req->uint1 = flags;
		1668	if ((flags & DB_SET) == DB_SET
		1669	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1670	sv_to_dbt (&req->dbt1, key);
		1671	else
		1672	req->dbt1.flags = DB_DBT_MALLOC;
		1673
		1674	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1675
		1676	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1677	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1678	sv_to_dbt (&req->dbt3, data);
		1679	else
		1680	req->dbt3.flags = DB_DBT_MALLOC;
		1681
		1682	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1683	REQ_SEND;
		1684	}
		1685
		1686	void
		1687	db_c_pget (DBC dbc, SV key, SV pkey, SV data, U32 flags = 0, SV *callback = &PL_sv_undef)
		1688	CODE:
		1689	{
		1690	dREQ (REQ_C_PGET);
		1691	req->dbc = dbc;
		1692	req->uint1 = flags;
		1693	if ((flags & DB_SET) == DB_SET
		1694	\|\| (flags & DB_SET_RANGE) == DB_SET_RANGE)
		1695	sv_to_dbt (&req->dbt1, key);
		1696	else
		1697	req->dbt1.flags = DB_DBT_MALLOC;
		1698
		1699	req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
		1700
		1701	req->dbt2.flags = DB_DBT_MALLOC;
		1702	req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
		1703
		1704	if ((flags & DB_GET_BOTH) == DB_GET_BOTH
		1705	\|\| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
		1706	sv_to_dbt (&req->dbt3, data);
		1707	else
		1708	req->dbt3.flags = DB_DBT_MALLOC;
		1709
		1710	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
		1711	REQ_SEND;
		1712	}
		1713
		1714	void
		1715	db_c_del (DBC dbc, U32 flags = 0, SV callback = &PL_sv_undef)
		1716	CODE:
		1717	{
		1718	dREQ (REQ_C_DEL);
		1719	req->dbc = dbc;
		1720	req->uint1 = flags;
		1721	REQ_SEND;
		1722	}
		1723
		1724
		1725	void
		1726	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = &PL_sv_undef)
		1727	CODE:
		1728	{
		1729	dREQ (REQ_SEQ_OPEN);
		1730	req->seq = seq;
		1731	req->txn = txnid;
		1732	req->uint1 = flags \| DB_THREAD;
		1733	sv_to_dbt (&req->dbt1, key);
		1734	REQ_SEND;
		1735	}
		1736
		1737	void
		1738	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = &PL_sv_undef)
		1739	CODE:
		1740	{
		1741	dREQ (REQ_SEQ_CLOSE);
		1742	req->seq = seq;
		1743	req->uint1 = flags;
		1744	REQ_SEND;
		1745	ptr_nuke (ST (0));
		1746	}
		1747
		1748	void
		1749	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)
		1750	CODE:
		1751	{
		1752	dREQ (REQ_SEQ_GET);
		1753	req->seq = seq;
		1754	req->txn = txnid;
		1755	req->int1 = delta;
		1756	req->uint1 = flags;
		1757	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1758	REQ_SEND;
		1759	}
		1760
		1761	void
		1762	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
		1763	CODE:
		1764	{
		1765	dREQ (REQ_SEQ_REMOVE);
		1766	req->seq = seq;
		1767	req->txn = txnid;
		1768	req->uint1 = flags;
942	REQ_SEND;	1769	REQ_SEND;
943	}	1770	}
944		1771
945		1772
946	MODULE = BDB PACKAGE = BDB::Env	1773	MODULE = BDB PACKAGE = BDB::Env
947		1774
		1775	void
		1776	DESTROY (DB_ENV_ornuked *env)
		1777	CODE:
		1778	if (env)
		1779	env->close (env, 0);
		1780
		1781	int set_data_dir (DB_ENV env, const char dir)
		1782	CODE:
		1783	RETVAL = env->set_data_dir (env, dir);
		1784	OUTPUT:
		1785	RETVAL
		1786
		1787	int set_tmp_dir (DB_ENV env, const char dir)
		1788	CODE:
		1789	RETVAL = env->set_tmp_dir (env, dir);
		1790	OUTPUT:
		1791	RETVAL
		1792
		1793	int set_lg_dir (DB_ENV env, const char dir)
		1794	CODE:
		1795	RETVAL = env->set_lg_dir (env, dir);
		1796	OUTPUT:
		1797	RETVAL
		1798
		1799	int set_shm_key (DB_ENV *env, long shm_key)
		1800	CODE:
		1801	RETVAL = env->set_shm_key (env, shm_key);
		1802	OUTPUT:
		1803	RETVAL
		1804
948	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1805	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
		1806	CODE:
		1807	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
		1808	OUTPUT:
		1809	RETVAL
949		1810
950	int set_flags (DB_ENV *env, U32 flags, int onoff)	1811	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
		1812	CODE:
		1813	RETVAL = env->set_flags (env, flags, onoff);
		1814	OUTPUT:
		1815	RETVAL
951		1816
		1817	void set_errfile (DB_ENV env, FILE errfile = 0)
		1818	CODE:
		1819	env->set_errfile (env, errfile);
		1820
		1821	void set_msgfile (DB_ENV env, FILE msgfile = 0)
		1822	CODE:
		1823	env->set_msgfile (env, msgfile);
		1824
		1825	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		1826	CODE:
		1827	RETVAL = env->set_verbose (env, which, onoff);
		1828	OUTPUT:
		1829	RETVAL
		1830
952	int set_encrypt (DB_ENV env, const char password, U32 flags)	1831	int set_encrypt (DB_ENV env, const char password, U32 flags = 0)
		1832	CODE:
		1833	RETVAL = env->set_encrypt (env, password, flags);
		1834	OUTPUT:
		1835	RETVAL
		1836
		1837	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		1838	CODE:
		1839	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
		1840	OUTPUT:
		1841	RETVAL
		1842
		1843	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		1844	CODE:
		1845	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		1846	OUTPUT:
		1847	RETVAL
		1848
		1849	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		1850	CODE:
		1851	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		1852	OUTPUT:
		1853	RETVAL
		1854
		1855	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		1856	CODE:
		1857	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		1858	OUTPUT:
		1859	RETVAL
		1860
		1861	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		1862	CODE:
		1863	RETVAL = env->set_lk_detect (env, detect);
		1864	OUTPUT:
		1865	RETVAL
		1866
		1867	int set_lk_max_lockers (DB_ENV *env, U32 max)
		1868	CODE:
		1869	RETVAL = env->set_lk_max_lockers (env, max);
		1870	OUTPUT:
		1871	RETVAL
		1872
		1873	int set_lk_max_locks (DB_ENV *env, U32 max)
		1874	CODE:
		1875	RETVAL = env->set_lk_max_locks (env, max);
		1876	OUTPUT:
		1877	RETVAL
		1878
		1879	int set_lk_max_objects (DB_ENV *env, U32 max)
		1880	CODE:
		1881	RETVAL = env->set_lk_max_objects (env, max);
		1882	OUTPUT:
		1883	RETVAL
		1884
		1885	int set_lg_bsize (DB_ENV *env, U32 max)
		1886	CODE:
		1887	RETVAL = env->set_lg_bsize (env, max);
		1888	OUTPUT:
		1889	RETVAL
		1890
		1891	int set_lg_max (DB_ENV *env, U32 max)
		1892	CODE:
		1893	RETVAL = env->set_lg_max (env, max);
		1894	OUTPUT:
		1895	RETVAL
		1896
		1897	int mutex_set_max (DB_ENV *env, U32 max)
		1898	CODE:
		1899	RETVAL = env->mutex_set_max (env, max);
		1900	OUTPUT:
		1901	RETVAL
		1902
		1903	int mutex_set_increment (DB_ENV *env, U32 increment)
		1904	CODE:
		1905	RETVAL = env->mutex_set_increment (env, increment);
		1906	OUTPUT:
		1907	RETVAL
		1908
		1909	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		1910	CODE:
		1911	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		1912	OUTPUT:
		1913	RETVAL
		1914
		1915	int mutex_set_align (DB_ENV *env, U32 align)
		1916	CODE:
		1917	RETVAL = env->mutex_set_align (env, align);
		1918	OUTPUT:
		1919	RETVAL
		1920
		1921	DB_TXN *
		1922	txn_begin (DB_ENV env, DB_TXN_ornull parent = 0, U32 flags = 0)
		1923	CODE:
		1924	errno = env->txn_begin (env, parent, &RETVAL, flags);
		1925	if (errno)
		1926	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
		1927	OUTPUT:
		1928	RETVAL
953		1929
954	MODULE = BDB PACKAGE = BDB::Db	1930	MODULE = BDB PACKAGE = BDB::Db
955		1931
		1932	void
		1933	DESTROY (DB_ornuked *db)
		1934	CODE:
		1935	if (db)
		1936	{
		1937	SV env = (SV )db->app_private;
		1938	db->close (db, 0);
		1939	SvREFCNT_dec (env);
		1940	}
		1941
956	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)	1942	int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
		1943	CODE:
		1944	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
		1945	OUTPUT:
		1946	RETVAL
957		1947
958	int set_flags (DB *env, U32 flags, int onoff)	1948	int set_flags (DB *db, U32 flags)
		1949	CODE:
		1950	RETVAL = db->set_flags (db, flags);
		1951	OUTPUT:
		1952	RETVAL
959		1953
960	int set_encrypt (DB db, const char password, U32 flags)	1954	int set_encrypt (DB db, const char password, U32 flags)
		1955	CODE:
		1956	RETVAL = db->set_encrypt (db, password, flags);
		1957	OUTPUT:
		1958	RETVAL
961		1959
962	int set_lorder (DB *db, int lorder)	1960	int set_lorder (DB *db, int lorder)
963		1961	CODE:
		1962	RETVAL = db->set_lorder (db, lorder);
		1963	OUTPUT:
		1964	RETVAL
964		1965
965	int set_bt_minkey (DB *db, U32 minkey)	1966	int set_bt_minkey (DB *db, U32 minkey)
		1967	CODE:
		1968	RETVAL = db->set_bt_minkey (db, minkey);
		1969	OUTPUT:
		1970	RETVAL
966		1971
967	int set_re_delim(DB *db, int delim);	1972	int set_re_delim (DB *db, int delim)
		1973	CODE:
		1974	RETVAL = db->set_re_delim (db, delim);
		1975	OUTPUT:
		1976	RETVAL
968		1977
969	int set_re_pad (DB *db, int re_pad)	1978	int set_re_pad (DB *db, int re_pad)
		1979	CODE:
		1980	RETVAL = db->set_re_pad (db, re_pad);
		1981	OUTPUT:
		1982	RETVAL
970		1983
971	int set_re_source (DB db, char source)	1984	int set_re_source (DB db, char source)
		1985	CODE:
		1986	RETVAL = db->set_re_source (db, source);
		1987	OUTPUT:
		1988	RETVAL
972		1989
973	int set_re_len (DB *db, U32 re_len)	1990	int set_re_len (DB *db, U32 re_len)
		1991	CODE:
		1992	RETVAL = db->set_re_len (db, re_len);
		1993	OUTPUT:
		1994	RETVAL
974		1995
975	int set_h_ffactor (DB *db, U32 h_ffactor)	1996	int set_h_ffactor (DB *db, U32 h_ffactor)
		1997	CODE:
		1998	RETVAL = db->set_h_ffactor (db, h_ffactor);
		1999	OUTPUT:
		2000	RETVAL
976		2001
977	int set_h_nelem (DB *db, U32 h_nelem)	2002	int set_h_nelem (DB *db, U32 h_nelem)
		2003	CODE:
		2004	RETVAL = db->set_h_nelem (db, h_nelem);
		2005	OUTPUT:
		2006	RETVAL
978		2007
979	int set_q_extentsize (DB *db, U32 extentsize)	2008	int set_q_extentsize (DB *db, U32 extentsize)
		2009	CODE:
		2010	RETVAL = db->set_q_extentsize (db, extentsize);
		2011	OUTPUT:
		2012	RETVAL
980		2013
		2014	DBC *
		2015	cursor (DB db, DB_TXN_ornull txn = 0, U32 flags = 0)
		2016	CODE:
		2017	errno = db->cursor (db, txn, &RETVAL, flags);
		2018	if (errno)
		2019	croak ("DB->cursor: %s", db_strerror (errno));
		2020	OUTPUT:
		2021	RETVAL
981		2022
		2023	DB_SEQUENCE *
		2024	sequence (DB *db, U32 flags = 0)
		2025	CODE:
		2026	{
		2027	errno = db_sequence_create (&RETVAL, db, flags);
		2028	if (errno)
		2029	croak ("db_sequence_create: %s", db_strerror (errno));
		2030	}
		2031	OUTPUT:
		2032	RETVAL
		2033
		2034
		2035	MODULE = BDB PACKAGE = BDB::Txn
		2036
		2037	void
		2038	DESTROY (DB_TXN_ornuked *txn)
		2039	CODE:
		2040	if (txn)
		2041	txn->abort (txn);
		2042
		2043	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
		2044	CODE:
		2045	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
		2046	OUTPUT:
		2047	RETVAL
		2048
		2049	int failed (DB_TXN *txn)
		2050	CODE:
		2051	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2052	OUTPUT:
		2053	RETVAL
		2054
		2055
		2056	MODULE = BDB PACKAGE = BDB::Cursor
		2057
		2058	void
		2059	DESTROY (DBC_ornuked *dbc)
		2060	CODE:
		2061	if (dbc)
		2062	dbc->c_close (dbc);
		2063
		2064	#if DB_VERSION_MINOR >= 6
		2065
		2066	int set_priority (DBC *dbc, int priority)
		2067	CODE:
		2068	dbc->set_priority (dbc, priority);
		2069
		2070	#endif
		2071
		2072	MODULE = BDB PACKAGE = BDB::Sequence
		2073
		2074	void
		2075	DESTROY (DB_SEQUENCE_ornuked *seq)
		2076	CODE:
		2077	if (seq)
		2078	seq->close (seq, 0);
		2079
		2080	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2081	CODE:
		2082	RETVAL = seq->initial_value (seq, value);
		2083	OUTPUT:
		2084	RETVAL
		2085
		2086	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2087	CODE:
		2088	RETVAL = seq->set_cachesize (seq, size);
		2089	OUTPUT:
		2090	RETVAL
		2091
		2092	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2093	CODE:
		2094	RETVAL = seq->set_flags (seq, flags);
		2095	OUTPUT:
		2096	RETVAL
		2097
		2098	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2099	CODE:
		2100	RETVAL = seq->set_range (seq, min, max);
		2101	OUTPUT:
		2102	RETVAL
		2103
		2104

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Comparing BDB/BDB.xs (file contents): Revision 1.2 by root, Mon Feb 5 20:21:38 2007 UTC vs. Revision 1.35 by root, Sun Mar 30 07:12:12 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.2 by root, Mon Feb 5 20:21:38 2007 UTC vs.
Revision 1.35 by root, Sun Mar 30 07:12:12 2008 UTC