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Comparing BDB/BDB.xs (file contents):
Revision 1.8 by root, Sun Feb 11 22:07:23 2007 UTC vs.
Revision 1.46 by root, Wed Jul 9 21:16:14 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
33	/* wether word reads are potentially non-atomic.
34	* this is conservatice, likely most arches this runs
35	* on have atomic word read/writes.
36	*/
37	#ifndef WORDACCESS_UNSAFE
38	# if __i386 || __x86_64
39	# define WORDACCESS_UNSAFE 0
40	# else
41	# define WORDACCESS_UNSAFE 1
42	# endif
43	#endif
44		38
45	typedef DB_ENV DB_ENV_ornull;	39	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;	40	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;	41	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;	42	typedef DB DB_ornull;
49	typedef DB_SEQUENCE DB_SEQUENCE_ornull;	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
50		44
		45	typedef DB_ENV DB_ENV_ornuked;
		46	typedef DB_TXN DB_TXN_ornuked;
		47	typedef DBC DBC_ornuked;
		48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
51	typedef SV SV8; /* byte-sv, used for argument-checking */	51	typedef SV SV8; /* byte-sv, used for argument-checking */
52	typedef char *octetstring;	52	typedef char *bdb_filename;
53		53
54	static SV *prepare_cb;	54	static SV *prepare_cb;
55		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
		64	#endif
		65
56	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 *
57	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
58	{	110	{
59	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
60	}	112	}
61		113
62	static inline void	114	static void
63	sv_to_dbt (DBT *dbt, SV *sv)	115	sv_to_dbt (DBT *dbt, SV *sv)
64	{	116	{
65	STRLEN len;	117	STRLEN len;
66	char *data = SvPVbyte (sv, len);	118	char *data = SvPVbyte (sv, len);
67		119
…		…
69	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
70	dbt->size = len;	122	dbt->size = len;
71	dbt->flags = DB_DBT_REALLOC;	123	dbt->flags = DB_DBT_REALLOC;
72	}	124	}
73		125
74	static inline void	126	static void
75	dbt_to_sv (SV *sv, DBT *dbt)	127	dbt_to_sv (SV *sv, DBT *dbt)
76	{	128	{
77	if (sv)	129	if (sv)
78	{	130	{
79	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
…		…
85	}	137	}
86		138
87	enum {	139	enum {
88	REQ_QUIT,	140	REQ_QUIT,
89	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
90	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,	142	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
91	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,	143	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
92	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,	144	REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
93	REQ_TXN_COMMIT, REQ_TXN_ABORT,	145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
94	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	146	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
95	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,	147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
96	};	148	};
97		149
98	typedef struct aio_cb	150	typedef struct bdb_cb
99	{	151	{
100	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
101	SV *callback;	153	SV *callback;
102	int type, pri, result;	154	int type, pri, result;
103		155
104	DB_ENV *env;	156	DB_ENV *env;
105	DB *db;	157	DB *db;
…		…
107	DBC *dbc;	159	DBC *dbc;
108		160
109	UV uv1;	161	UV uv1;
110	int int1, int2;	162	int int1, int2;
111	U32 uint1, uint2;	163	U32 uint1, uint2;
112	char *buf1, *buf2;	164	char *buf1, *buf2, *buf3;
113	SV *sv1, *sv2, *sv3;	165	SV *sv1, *sv2, *sv3;
114		166
115	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
116	DB_KEY_RANGE key_range;	168	DB_KEY_RANGE key_range;
117	DB_SEQUENCE *seq;	169	DB_SEQUENCE *seq;
118	db_seq_t seq_t;	170	db_seq_t seq_t;
119	} aio_cb;	171	} bdb_cb;
120		172
121	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
122		174
123	enum {	175	enum {
124	PRI_MIN = -4,	176	PRI_MIN = -4,
125	PRI_MAX = 4,	177	PRI_MAX = 4,
126		178
…		…
129	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
130	};	182	};
131		183
132	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
133		185
		186	static SV *on_next_submit;
		187
134	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
135	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
136		190
137	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
138	static int tvdiff (struct timeval *tv1, struct timeval *tv2)	192	static int tvdiff (struct timeval *tv1, struct timeval *tv2)
…		…
143		197
144	static int next_pri = DEFAULT_PRI + PRI_BIAS;	198	static int next_pri = DEFAULT_PRI + PRI_BIAS;
145		199
146	static unsigned int started, idle, wanted;	200	static unsigned int started, idle, wanted;
147		201
148	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
149	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
150	#else
151	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
152	#endif
153
154	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
155	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
156
157	/* worker threads management */	202	/* worker threads management */
158	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	203	static mutex_t wrklock = X_MUTEX_INIT;
159		204
160	typedef struct worker {	205	typedef struct worker {
161	/* locked by wrklock */	206	/* locked by wrklock */
162	struct worker *prev, *next;	207	struct worker *prev, *next;
163		208
164	pthread_t tid;	209	thread_t tid;
165		210
166	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
167	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
168	void *dbuf;	213	void *dbuf;
169	DIR *dirp;	214	DIR *dirp;
170	} worker;	215	} worker;
171		216
172	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
184	}	229	}
185		230
186	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
187	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
188	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
189	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
190		235
191	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
192	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
193	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	238	static cond_t reqwait = X_COND_INIT;
194		239
195	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
196		241
197	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
198	{	243	{
199	unsigned int retval;	244	unsigned int retval;
200		245
201	LOCK (reqlock);	246	X_LOCK (reqlock);
202	retval = nready;	247	retval = nready;
203	UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
204		249
205	return retval;	250	return retval;
206	}	251	}
207		252
208	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
209	{	254	{
210	unsigned int retval;	255	unsigned int retval;
211		256
212	LOCK (reslock);	257	X_LOCK (reslock);
213	retval = npending;	258	retval = npending;
214	UNLOCK (reslock);	259	X_UNLOCK (reslock);
215		260
216	return retval;	261	return retval;
217	}	262	}
218		263
219	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
220	{	265	{
221	unsigned int retval;	266	unsigned int retval;
222		267
223	LOCK (wrklock);	268	X_LOCK (wrklock);
224	retval = started;	269	retval = started;
225	UNLOCK (wrklock);	270	X_UNLOCK (wrklock);
226		271
227	return retval;	272	return retval;
228	}	273	}
229		274
230	#else	275	#else
…		…
239	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
240	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
241	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
242	*/	287	*/
243	typedef struct {	288	typedef struct {
244	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
245	int size;	290	int size;
246	} reqq;	291	} reqq;
247		292
248	static reqq req_queue;	293	static reqq req_queue;
249	static reqq res_queue;	294	static reqq res_queue;
250		295
251	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
252	{	297	{
253	int pri = req->pri;	298	int pri = req->pri;
254	req->next = 0;	299	req->next = 0;
255		300
256	if (q->qe[pri])	301	if (q->qe[pri])
…		…
262	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
263		308
264	return q->size++;	309	return q->size++;
265	}	310	}
266		311
267	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
268	{	313	{
269	int pri;	314	int pri;
270		315
271	if (!q->size)	316	if (!q->size)
272	return 0;	317	return 0;
273		318
274	--q->size;	319	--q->size;
275		320
276	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
277	{	322	{
278	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
279		324
280	if (req)	325	if (req)
281	{	326	{
282	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
283	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
287	}	332	}
288		333
289	abort ();	334	abort ();
290	}	335	}
291		336
292	static int poll_cb ();	337	static int poll_cb (void);
293	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
294	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
295		340
296	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
297	{	342	{
298	dSP;	343	dSP;
299		344
300	if (SvOK (req->callback))	345	if (req->callback)
301	{	346	{
302	ENTER;	347	ENTER;
303	SAVETMPS;	348	SAVETMPS;
304	PUSHMARK (SP);	349	PUSHMARK (SP);
305		350
…		…
319	dbt_to_sv (req->sv1, &req->dbt1);	364	dbt_to_sv (req->sv1, &req->dbt1);
320	dbt_to_sv (req->sv2, &req->dbt2);	365	dbt_to_sv (req->sv2, &req->dbt2);
321	dbt_to_sv (req->sv3, &req->dbt3);	366	dbt_to_sv (req->sv3, &req->dbt3);
322	break;	367	break;
323		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
324	case REQ_DB_KEY_RANGE:	375	case REQ_DB_KEY_RANGE:
325	{	376	{
326	AV *av = newAV ();	377	AV *av = newAV ();
327		378
328	av_push (av, newSVnv (req->key_range.less));	379	av_push (av, newSVnv (req->key_range.less));
…		…
337		388
338	case REQ_SEQ_GET:	389	case REQ_SEQ_GET:
339	SvREADONLY_off (req->sv1);	390	SvREADONLY_off (req->sv1);
340		391
341	if (sizeof (IV) > 4)	392	if (sizeof (IV) > 4)
342	sv_setiv_mg (req->sv1, req->seq_t);	393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
343	else	394	else
344	sv_setnv_mg (req->sv1, req->seq_t);	395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
345		396
346	SvREFCNT_dec (req->sv1);	397	SvREFCNT_dec (req->sv1);
347	break;	398	break;
348	}	399	}
349		400
…		…
358	}	409	}
359		410
360	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
361	}	412	}
362		413
363	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
364	{	415	{
		416	SvREFCNT_dec (req->callback);
		417
365	free (req->buf1);	418	free (req->buf1);
366	free (req->buf2);	419	free (req->buf2);
		420	free (req->buf3);
		421
367	Safefree (req);	422	Safefree (req);
368	}	423	}
369		424
370	static void *aio_proc (void *arg);	425	#ifdef USE_SOCKETS_AS_HANDLES
		426	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		427	#else
		428	# define TO_SOCKET(x) (x)
		429	#endif
		430
		431	static void
		432	create_respipe (void)
		433	{
		434	#ifdef _WIN32
		435	int arg; /* argg */
		436	#endif
		437	int old_readfd = respipe [0];
		438
		439	if (respipe [1] >= 0)
		440	respipe_close (TO_SOCKET (respipe [1]));
		441
		442	#ifdef _WIN32
		443	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		444	#else
		445	if (pipe (respipe))
		446	#endif
		447	croak ("unable to initialize result pipe");
		448
		449	if (old_readfd >= 0)
		450	{
		451	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		452	croak ("unable to initialize result pipe(2)");
		453
		454	respipe_close (respipe [0]);
		455	respipe [0] = old_readfd;
		456	}
		457
		458	#ifdef _WIN32
		459	arg = 1;
		460	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		461	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		462	#else
		463	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		464	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		465	#endif
		466	croak ("unable to initialize result pipe(3)");
		467
		468	respipe_osf [0] = TO_SOCKET (respipe [0]);
		469	respipe_osf [1] = TO_SOCKET (respipe [1]);
		470	}
		471
		472	X_THREAD_PROC (bdb_proc);
371		473
372	static void start_thread (void)	474	static void start_thread (void)
373	{	475	{
374	sigset_t fullsigset, oldsigset;
375	pthread_attr_t attr;
376
377	worker *wrk = calloc (1, sizeof (worker));	476	worker *wrk = calloc (1, sizeof (worker));
378		477
379	if (!wrk)	478	if (!wrk)
380	croak ("unable to allocate worker thread data");	479	croak ("unable to allocate worker thread data");
381		480
382	pthread_attr_init (&attr);
383	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
384	#ifdef PTHREAD_SCOPE_PROCESS
385	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
386	#endif
387
388	sigfillset (&fullsigset);
389
390	LOCK (wrklock);	481	X_LOCK (wrklock);
391	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	482	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394	{	483	{
395	wrk->prev = &wrk_first;	484	wrk->prev = &wrk_first;
396	wrk->next = wrk_first.next;	485	wrk->next = wrk_first.next;
397	wrk_first.next->prev = wrk;	486	wrk_first.next->prev = wrk;
398	wrk_first.next = wrk;	487	wrk_first.next = wrk;
399	++started;	488	++started;
400	}	489	}
401	else	490	else
402	free (wrk);	491	free (wrk);
403		492
404	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405	UNLOCK (wrklock);	493	X_UNLOCK (wrklock);
406	}	494	}
407		495
408	static void maybe_start_thread ()	496	static void maybe_start_thread (void)
409	{	497	{
410	if (get_nthreads () >= wanted)	498	if (get_nthreads () >= wanted)
411	return;	499	return;
412		500
413	/* todo: maybe use idle here, but might be less exact */	501	/* todo: maybe use idle here, but might be less exact */
…		…
415	return;	503	return;
416		504
417	start_thread ();	505	start_thread ();
418	}	506	}
419		507
420	static void req_send (aio_req req)	508	static void req_send (bdb_req req)
421	{	509	{
422	SV *wait_callback = 0;	510	SV *wait_callback = 0;
423		511
		512	if (on_next_submit)
		513	{
		514	dSP;
		515	SV *cb = sv_2mortal (on_next_submit);
		516
		517	on_next_submit = 0;
		518
		519	PUSHMARK (SP);
		520	PUTBACK;
		521	call_sv (cb, G_DISCARD | G_EVAL);
		522	}
		523
424	// synthesize callback if none given	524	// synthesize callback if none given
425	if (!SvOK (req->callback))	525	if (!req->callback)
426	{	526	{
		527	int count;
		528
427	dSP;	529	dSP;
428	PUSHMARK (SP);	530	PUSHMARK (SP);
429	PUTBACK;	531	PUTBACK;
430	int count = call_sv (prepare_cb, G_ARRAY);	532	count = call_sv (prepare_cb, G_ARRAY);
431	SPAGAIN;	533	SPAGAIN;
432		534
433	if (count != 2)	535	if (count != 2)
434	croak ("prepare callback must return exactly two values\n");	536	croak ("prepare callback must return exactly two values\n");
435		537
436	wait_callback = SvREFCNT_inc (POPs);	538	wait_callback = POPs;
437	SvREFCNT_dec (req->callback);	539	SvREFCNT_dec (req->callback);
438	req->callback = SvREFCNT_inc (POPs);	540	req->callback = SvREFCNT_inc (POPs);
439	}	541	}
440		542
441	++nreqs;	543	++nreqs;
442		544
443	LOCK (reqlock);	545	X_LOCK (reqlock);
444	++nready;	546	++nready;
445	reqq_push (&req_queue, req);	547	reqq_push (&req_queue, req);
446	pthread_cond_signal (&reqwait);	548	X_COND_SIGNAL (reqwait);
447	UNLOCK (reqlock);	549	X_UNLOCK (reqlock);
448		550
449	maybe_start_thread ();	551	maybe_start_thread ();
450		552
451	if (wait_callback)	553	if (wait_callback)
452	{	554	{
453	dSP;	555	dSP;
454	PUSHMARK (SP);	556	PUSHMARK (SP);
455	PUTBACK;	557	PUTBACK;
456	call_sv (wait_callback, G_DISCARD);	558	call_sv (wait_callback, G_DISCARD);
457	SvREFCNT_dec (wait_callback);
458	}	559	}
459	}	560	}
460		561
461	static void end_thread (void)	562	static void end_thread (void)
462	{	563	{
463	aio_req req;	564	bdb_req req;
464		565
465	Newz (0, req, 1, aio_cb);	566	Newz (0, req, 1, bdb_cb);
466		567
467	req->type = REQ_QUIT;	568	req->type = REQ_QUIT;
468	req->pri = PRI_MAX + PRI_BIAS;	569	req->pri = PRI_MAX + PRI_BIAS;
469		570
470	LOCK (reqlock);	571	X_LOCK (reqlock);
471	reqq_push (&req_queue, req);	572	reqq_push (&req_queue, req);
472	pthread_cond_signal (&reqwait);	573	X_COND_SIGNAL (reqwait);
473	UNLOCK (reqlock);	574	X_UNLOCK (reqlock);
474		575
475	LOCK (wrklock);	576	X_LOCK (wrklock);
476	--started;	577	--started;
477	UNLOCK (wrklock);	578	X_UNLOCK (wrklock);
478	}	579	}
479		580
480	static void set_max_idle (int nthreads)	581	static void set_max_idle (int nthreads)
481	{	582	{
482	if (WORDACCESS_UNSAFE) LOCK (reqlock);	583	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483	max_idle = nthreads <= 0 ? 1 : nthreads;	584	max_idle = nthreads <= 0 ? 1 : nthreads;
484	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	585	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485	}	586	}
486		587
487	static void min_parallel (int nthreads)	588	static void min_parallel (int nthreads)
488	{	589	{
489	if (wanted < nthreads)	590	if (wanted < nthreads)
…		…
497		598
498	while (started > wanted)	599	while (started > wanted)
499	end_thread ();	600	end_thread ();
500	}	601	}
501		602
502	static void poll_wait ()	603	static void poll_wait (void)
503	{	604	{
504	fd_set rfd;	605	fd_set rfd;
505		606
506	while (nreqs)	607	while (nreqs)
507	{	608	{
508	int size;	609	int size;
509	if (WORDACCESS_UNSAFE) LOCK (reslock);	610	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510	size = res_queue.size;	611	size = res_queue.size;
511	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	612	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512		613
513	if (size)	614	if (size)
514	return;	615	return;
515		616
516	maybe_start_thread ();	617	maybe_start_thread ();
517		618
518	FD_ZERO(&rfd);	619	FD_ZERO (&rfd);
519	FD_SET(respipe [0], &rfd);	620	FD_SET (respipe [0], &rfd);
520		621
521	select (respipe [0] + 1, &rfd, 0, 0, 0);	622	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522	}	623	}
523	}	624	}
524		625
525	static int poll_cb ()	626	static int poll_cb (void)
526	{	627	{
527	dSP;	628	dSP;
528	int count = 0;	629	int count = 0;
529	int maxreqs = max_poll_reqs;	630	int maxreqs = max_poll_reqs;
530	int do_croak = 0;	631	int do_croak = 0;
531	struct timeval tv_start, tv_now;	632	struct timeval tv_start, tv_now;
532	aio_req req;	633	bdb_req req;
533		634
534	if (max_poll_time)	635	if (max_poll_time)
535	gettimeofday (&tv_start, 0);	636	gettimeofday (&tv_start, 0);
536		637
537	for (;;)	638	for (;;)
538	{	639	{
539	for (;;)	640	for (;;)
540	{	641	{
541	maybe_start_thread ();	642	maybe_start_thread ();
542		643
543	LOCK (reslock);	644	X_LOCK (reslock);
544	req = reqq_shift (&res_queue);	645	req = reqq_shift (&res_queue);
545		646
546	if (req)	647	if (req)
547	{	648	{
548	--npending;	649	--npending;
549		650
550	if (!res_queue.size)	651	if (!res_queue.size)
551	{	652	{
552	/* read any signals sent by the worker threads */	653	/* read any signals sent by the worker threads */
553	char buf [4];	654	char buf [4];
554	while (read (respipe [0], buf, 4) == 4)	655	while (respipe_read (respipe [0], buf, 4) == 4)
555	;	656	;
556	}	657	}
557	}	658	}
558		659
559	UNLOCK (reslock);	660	X_UNLOCK (reslock);
560		661
561	if (!req)	662	if (!req)
562	break;	663	break;
563		664
564	--nreqs;	665	--nreqs;
…		…
594	}	695	}
595		696
596	return count;	697	return count;
597	}	698	}
598		699
599	static void create_pipe ()
600	{
601	if (pipe (respipe))
602	croak ("unable to initialize result pipe");
603
604	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
605	croak ("cannot set result pipe to nonblocking mode");
606
607	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
608	croak ("cannot set result pipe to nonblocking mode");
609	}
610
611	/*****************************************************************************/	700	/*****************************************************************************/
612		701
613	static void *aio_proc (void *thr_arg)	702	X_THREAD_PROC (bdb_proc)
614	{	703	{
615	aio_req req;	704	bdb_req req;
616	struct timespec ts;	705	struct timespec ts;
617	worker *self = (worker *)thr_arg;	706	worker *self = (worker *)thr_arg;
618		707
619	/* try to distribute timeouts somewhat evenly */	708	/* try to distribute timeouts somewhat evenly */
620	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	709	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621	* (1000000000UL / 1024UL);
622		710
623	for (;;)	711	for (;;)
624	{	712	{
625	ts.tv_sec = time (0) + IDLE_TIMEOUT;	713	ts.tv_sec = time (0) + IDLE_TIMEOUT;
626		714
627	LOCK (reqlock);	715	X_LOCK (reqlock);
628		716
629	for (;;)	717	for (;;)
630	{	718	{
631	self->req = req = reqq_shift (&req_queue);	719	self->req = req = reqq_shift (&req_queue);
632		720
633	if (req)	721	if (req)
634	break;	722	break;
635		723
636	++idle;	724	++idle;
637		725
638	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	726	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639	== ETIMEDOUT)	727	== ETIMEDOUT)
640	{	728	{
641	if (idle > max_idle)	729	if (idle > max_idle)
642	{	730	{
643	--idle;	731	--idle;
644	UNLOCK (reqlock);	732	X_UNLOCK (reqlock);
645	LOCK (wrklock);	733	X_LOCK (wrklock);
646	--started;	734	--started;
647	UNLOCK (wrklock);	735	X_UNLOCK (wrklock);
648	goto quit;	736	goto quit;
649	}	737	}
650		738
651	/* we are allowed to idle, so do so without any timeout */	739	/* we are allowed to idle, so do so without any timeout */
652	pthread_cond_wait (&reqwait, &reqlock);	740	X_COND_WAIT (reqwait, reqlock);
653	ts.tv_sec = time (0) + IDLE_TIMEOUT;	741	ts.tv_sec = time (0) + IDLE_TIMEOUT;
654	}	742	}
655		743
656	--idle;	744	--idle;
657	}	745	}
658		746
659	--nready;	747	--nready;
660		748
661	UNLOCK (reqlock);	749	X_UNLOCK (reqlock);
662		750
663	switch (req->type)	751	switch (req->type)
664	{	752	{
665	case REQ_QUIT:	753	case REQ_QUIT:
		754	req->result = ENOSYS;
666	goto quit;	755	goto quit;
667		756
668	case REQ_ENV_OPEN:	757	case REQ_ENV_OPEN:
669	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	758	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
670	break;	759	break;
…		…
687		776
688	case REQ_ENV_MEMP_TRICKLE:	777	case REQ_ENV_MEMP_TRICKLE:
689	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	778	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
690	break;	779	break;
691		780
		781	case REQ_ENV_DBREMOVE:
		782	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		783	break;
		784
		785	case REQ_ENV_DBRENAME:
		786	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		787	break;
		788
692	case REQ_DB_OPEN:	789	case REQ_DB_OPEN:
693	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	790	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
694	break;	791	break;
695		792
696	case REQ_DB_CLOSE:	793	case REQ_DB_CLOSE:
…		…
703		800
704	case REQ_DB_SYNC:	801	case REQ_DB_SYNC:
705	req->result = req->db->sync (req->db, req->uint1);	802	req->result = req->db->sync (req->db, req->uint1);
706	break;	803	break;
707		804
		805	case REQ_DB_UPGRADE:
		806	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		807	break;
		808
708	case REQ_DB_PUT:	809	case REQ_DB_PUT:
709	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	810	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
710	break;	811	break;
711		812
		813	#if DB_VERSION_MINOR >= 6
		814	case REQ_DB_EXISTS:
		815	req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1);
		816	break;
		817	#endif
712	case REQ_DB_GET:	818	case REQ_DB_GET:
713	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);	819	req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
714	break;	820	break;
715		821
716	case REQ_DB_PGET:	822	case REQ_DB_PGET:
…		…
729	req->result = req->txn->commit (req->txn, req->uint1);	835	req->result = req->txn->commit (req->txn, req->uint1);
730	break;	836	break;
731		837
732	case REQ_TXN_ABORT:	838	case REQ_TXN_ABORT:
733	req->result = req->txn->abort (req->txn);	839	req->result = req->txn->abort (req->txn);
		840	break;
		841
		842	case REQ_TXN_FINISH:
		843	if (req->txn->flags & TXN_DEADLOCK)
		844	{
		845	req->result = req->txn->abort (req->txn);
		846	if (!req->result)
		847	req->result = DB_LOCK_DEADLOCK;
		848	}
		849	else
		850	req->result = req->txn->commit (req->txn, req->uint1);
734	break;	851	break;
735		852
736	case REQ_C_CLOSE:	853	case REQ_C_CLOSE:
737	req->result = req->dbc->c_close (req->dbc);	854	req->result = req->dbc->c_close (req->dbc);
738	break;	855	break;
…		…
780	default:	897	default:
781	req->result = ENOSYS;	898	req->result = ENOSYS;
782	break;	899	break;
783	}	900	}
784		901
		902	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		903	req->txn->flags |= TXN_DEADLOCK;
		904
785	LOCK (reslock);	905	X_LOCK (reslock);
786		906
787	++npending;	907	++npending;
788		908
789	if (!reqq_push (&res_queue, req))	909	if (!reqq_push (&res_queue, req))
790	/* write a dummy byte to the pipe so fh becomes ready */	910	/* write a dummy byte to the pipe so fh becomes ready */
791	write (respipe [1], &respipe, 1);	911	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792		912
793	self->req = 0;	913	self->req = 0;
794	worker_clear (self);	914	worker_clear (self);
795		915
796	UNLOCK (reslock);	916	X_UNLOCK (reslock);
797	}	917	}
798		918
799	quit:	919	quit:
800	LOCK (wrklock);	920	X_LOCK (wrklock);
801	worker_free (self);	921	worker_free (self);
802	UNLOCK (wrklock);	922	X_UNLOCK (wrklock);
803		923
804	return 0;	924	return 0;
805	}	925	}
806		926
807	/*****************************************************************************/	927	/*****************************************************************************/
808		928
809	static void atfork_prepare (void)	929	static void atfork_prepare (void)
810	{	930	{
811	LOCK (wrklock);	931	X_LOCK (wrklock);
812	LOCK (reqlock);	932	X_LOCK (reqlock);
813	LOCK (reslock);	933	X_LOCK (reslock);
814	}	934	}
815		935
816	static void atfork_parent (void)	936	static void atfork_parent (void)
817	{	937	{
818	UNLOCK (reslock);	938	X_UNLOCK (reslock);
819	UNLOCK (reqlock);	939	X_UNLOCK (reqlock);
820	UNLOCK (wrklock);	940	X_UNLOCK (wrklock);
821	}	941	}
822		942
823	static void atfork_child (void)	943	static void atfork_child (void)
824	{	944	{
825	aio_req prv;	945	bdb_req prv;
826		946
827	while (prv = reqq_shift (&req_queue))	947	while (prv = reqq_shift (&req_queue))
828	req_free (prv);	948	req_free (prv);
829		949
830	while (prv = reqq_shift (&res_queue))	950	while (prv = reqq_shift (&res_queue))
…		…
845	idle = 0;	965	idle = 0;
846	nreqs = 0;	966	nreqs = 0;
847	nready = 0;	967	nready = 0;
848	npending = 0;	968	npending = 0;
849		969
850	close (respipe [0]);
851	close (respipe [1]);
852	create_pipe ();	970	create_respipe ();
853		971
854	atfork_parent ();	972	atfork_parent ();
855	}	973	}
856		974
857	#define dREQ(reqtype) \	975	#define dREQ(reqtype) \
858	aio_req req; \	976	bdb_req req; \
859	int req_pri = next_pri; \	977	int req_pri = next_pri; \
860	next_pri = DEFAULT_PRI + PRI_BIAS; \	978	next_pri = DEFAULT_PRI + PRI_BIAS; \
861	\	979	\
862	if (SvOK (callback) && !SvROK (callback)) \	980	if (callback && SvOK (callback)) \
863	croak ("callback must be undef or of reference type"); \	981	croak ("callback has illegal type or extra arguments"); \
864	\	982	\
865	Newz (0, req, 1, aio_cb); \	983	Newz (0, req, 1, bdb_cb); \
866	if (!req) \	984	if (!req) \
867	croak ("out of memory during aio_req allocation"); \	985	croak ("out of memory during bdb_req allocation"); \
868	\	986	\
869	req->callback = newSVsv (callback); \	987	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
870	req->type = (reqtype); \	988	req->type = (reqtype); \
871	req->pri = req_pri	989	req->pri = req_pri
872		990
873	#define REQ_SEND \	991	#define REQ_SEND \
874	req_send (req)	992	req_send (req)
875		993
876	#define SvPTR(var, arg, type, class, nullok) \	994	#define SvPTR(var, arg, type, class, nullok) \
877	if (!SvOK (arg)) \	995	if (!SvOK (arg)) \
878	{ \	996	{ \
879	if (!nullok) \	997	if (nullok != 1) \
880	croak (# var " must be a " # class " object, not undef"); \	998	croak (# var " must be a " # class " object, not undef"); \
881	\	999	\
882	(var) = 0; \	1000	(var) = 0; \
883	} \	1001	} \
884	else if (sv_derived_from ((arg), # class)) \	1002	else if (sv_derived_from ((arg), # class)) \
885	{ \	1003	{ \
886	IV tmp = SvIV ((SV*) SvRV (arg)); \	1004	IV tmp = SvIV ((SV*) SvRV (arg)); \
887	(var) = INT2PTR (type, tmp); \	1005	(var) = INT2PTR (type, tmp); \
888	if (!var) \	1006	if (!var && nullok != 2) \
889	croak (# var " is not a valid " # class " object anymore"); \	1007	croak (# var " is not a valid " # class " object anymore"); \
890	} \	1008	} \
891	else \	1009	else \
892	croak (# var " is not of type " # class); \	1010	croak (# var " is not of type " # class);
893	\
894		1011
895	static void	1012	static void
896	ptr_nuke (SV *sv)	1013	ptr_nuke (SV *sv)
897	{	1014	{
898	assert (SvROK (sv));	1015	assert (SvROK (sv));
899	sv_setiv (SvRV (sv), 0);	1016	sv_setiv (SvRV (sv), 0);
900	}	1017	}
		1018
		1019	static int
		1020	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1021	{
		1022	if (*mg->mg_ptr == '!') // should always be the case
		1023	if (-30999 <= errno && errno <= -30800)
		1024	{
		1025	sv_setnv (sv, (NV)errno);
		1026	sv_setpv (sv, db_strerror (errno));
		1027	SvNOK_on (sv); /* what a wonderful hack! */
		1028	// ^^^ copied from perl sources
		1029	return 0;
		1030	}
		1031
		1032	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1033	}
		1034
		1035	static MGVTBL vtbl_errno;
		1036
		1037	// this wonderful hack :( patches perl's $! variable to support our errno values
		1038	static void
		1039	patch_errno (void)
		1040	{
		1041	SV *sv;
		1042	MAGIC *mg;
		1043
		1044	if (!(sv = get_sv ("!", 1)))
		1045	return;
		1046
		1047	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1048	return;
		1049
		1050	if (mg->mg_virtual != &PL_vtbl_sv)
		1051	return;
		1052
		1053	vtbl_errno = PL_vtbl_sv;
		1054	vtbl_errno.svt_get = errno_get;
		1055	mg->mg_virtual = &vtbl_errno;
		1056	}
		1057
		1058	#if __GNUC__ >= 4
		1059	# define noinline __attribute__ ((noinline))
		1060	#else
		1061	# define noinline
		1062	#endif
		1063
		1064	static noinline SV *
		1065	pop_callback (I32 *ritems, SV *sv)
		1066	{
		1067	if (SvROK (sv))
		1068	{
		1069	HV *st;
		1070	GV *gvp;
		1071	CV *cv;
		1072	const char *name;
		1073
		1074	/* forgive me */
		1075	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1076	&& (st = SvSTASH (SvRV (sv)))
		1077	&& (name = HvNAME_get (st))
		1078	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1079	return 0;
		1080
		1081	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1082	{
		1083	--*ritems;
		1084	return (SV *)cv;
		1085	}
		1086	}
		1087
		1088	return 0;
		1089	}
		1090
		1091	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
901		1092
902	MODULE = BDB PACKAGE = BDB	1093	MODULE = BDB PACKAGE = BDB
903		1094
904	PROTOTYPES: ENABLE	1095	PROTOTYPES: ENABLE
905		1096
…		…
921	const_iv (INIT_TXN)	1112	const_iv (INIT_TXN)
922	const_iv (RECOVER)	1113	const_iv (RECOVER)
923	const_iv (INIT_TXN)	1114	const_iv (INIT_TXN)
924	const_iv (RECOVER_FATAL)	1115	const_iv (RECOVER_FATAL)
925	const_iv (CREATE)	1116	const_iv (CREATE)
		1117	const_iv (RDONLY)
926	const_iv (USE_ENVIRON)	1118	const_iv (USE_ENVIRON)
927	const_iv (USE_ENVIRON_ROOT)	1119	const_iv (USE_ENVIRON_ROOT)
928	const_iv (LOCKDOWN)	1120	const_iv (LOCKDOWN)
929	const_iv (PRIVATE)	1121	const_iv (PRIVATE)
930	const_iv (REGISTER)	1122	const_iv (REGISTER)
931	const_iv (SYSTEM_MEM)	1123	const_iv (SYSTEM_MEM)
932	const_iv (AUTO_COMMIT)	1124	const_iv (AUTO_COMMIT)
933	const_iv (CDB_ALLDB)	1125	const_iv (CDB_ALLDB)
934	const_iv (DIRECT_DB)	1126	const_iv (DIRECT_DB)
935	const_iv (DIRECT_LOG)
936	const_iv (DSYNC_DB)	1127	const_iv (DSYNC_DB)
937	const_iv (DSYNC_LOG)
938	const_iv (LOG_AUTOREMOVE)
939	const_iv (LOG_INMEMORY)
940	const_iv (NOLOCKING)	1128	const_iv (NOLOCKING)
941	const_iv (MULTIVERSION)
942	const_iv (NOMMAP)	1129	const_iv (NOMMAP)
943	const_iv (NOPANIC)	1130	const_iv (NOPANIC)
944	const_iv (OVERWRITE)	1131	const_iv (OVERWRITE)
945	const_iv (PANIC_ENVIRONMENT)	1132	const_iv (PANIC_ENVIRONMENT)
946	const_iv (REGION_INIT)	1133	const_iv (REGION_INIT)
947	const_iv (TIME_NOTGRANTED)	1134	const_iv (TIME_NOTGRANTED)
948	const_iv (TXN_NOSYNC)	1135	const_iv (TXN_NOSYNC)
949	const_iv (TXN_SNAPSHOT)	1136	const_iv (TXN_NOT_DURABLE)
950	const_iv (TXN_WRITE_NOSYNC)	1137	const_iv (TXN_WRITE_NOSYNC)
951	const_iv (WRITECURSOR)	1138	const_iv (WRITECURSOR)
952	const_iv (YIELDCPU)	1139	const_iv (YIELDCPU)
953	const_iv (ENCRYPT_AES)	1140	const_iv (ENCRYPT_AES)
954	const_iv (XA_CREATE)	1141	const_iv (XA_CREATE)
…		…
962	const_iv (READ_UNCOMMITTED)	1149	const_iv (READ_UNCOMMITTED)
963	const_iv (TRUNCATE)	1150	const_iv (TRUNCATE)
964	const_iv (NOSYNC)	1151	const_iv (NOSYNC)
965	const_iv (CHKSUM)	1152	const_iv (CHKSUM)
966	const_iv (ENCRYPT)	1153	const_iv (ENCRYPT)
967	const_iv (TXN_NOT_DURABLE)
968	const_iv (DUP)	1154	const_iv (DUP)
969	const_iv (DUPSORT)	1155	const_iv (DUPSORT)
970	const_iv (RECNUM)	1156	const_iv (RECNUM)
971	const_iv (RENUMBER)	1157	const_iv (RENUMBER)
972	const_iv (REVSPLITOFF)	1158	const_iv (REVSPLITOFF)
…		…
977	const_iv (GET_BOTH_RANGE)	1163	const_iv (GET_BOTH_RANGE)
978	//const_iv (SET_RECNO)	1164	//const_iv (SET_RECNO)
979	//const_iv (MULTIPLE)	1165	//const_iv (MULTIPLE)
980	const_iv (SNAPSHOT)	1166	const_iv (SNAPSHOT)
981	const_iv (JOIN_ITEM)	1167	const_iv (JOIN_ITEM)
		1168	const_iv (JOIN_NOSORT)
982	const_iv (RMW)	1169	const_iv (RMW)
983		1170
984	const_iv (NOTFOUND)	1171	const_iv (NOTFOUND)
985	const_iv (KEYEMPTY)	1172	const_iv (KEYEMPTY)
986	const_iv (LOCK_DEADLOCK)	1173	const_iv (LOCK_DEADLOCK)
…		…
997	const_iv (APPEND)	1184	const_iv (APPEND)
998	const_iv (NODUPDATA)	1185	const_iv (NODUPDATA)
999	const_iv (NOOVERWRITE)	1186	const_iv (NOOVERWRITE)
1000		1187
1001	const_iv (TXN_NOWAIT)	1188	const_iv (TXN_NOWAIT)
1002	const_iv (TXN_SNAPSHOT)
1003	const_iv (TXN_SYNC)	1189	const_iv (TXN_SYNC)
1004		1190
1005	const_iv (SET_LOCK_TIMEOUT)	1191	const_iv (SET_LOCK_TIMEOUT)
1006	const_iv (SET_TXN_TIMEOUT)	1192	const_iv (SET_TXN_TIMEOUT)
1007		1193
1008	const_iv (JOIN_ITEM)
1009	const_iv (FIRST)	1194	const_iv (FIRST)
1010	const_iv (NEXT)	1195	const_iv (NEXT)
1011	const_iv (NEXT_DUP)	1196	const_iv (NEXT_DUP)
1012	const_iv (NEXT_NODUP)	1197	const_iv (NEXT_NODUP)
1013	const_iv (PREV)	1198	const_iv (PREV)
…		…
1035	const_iv (LOCK_YOUNGEST)	1220	const_iv (LOCK_YOUNGEST)
1036		1221
1037	const_iv (SEQ_DEC)	1222	const_iv (SEQ_DEC)
1038	const_iv (SEQ_INC)	1223	const_iv (SEQ_INC)
1039	const_iv (SEQ_WRAP)	1224	const_iv (SEQ_WRAP)
		1225
		1226	const_iv (BUFFER_SMALL)
		1227	const_iv (DONOTINDEX)
		1228	const_iv (KEYEMPTY )
		1229	const_iv (KEYEXIST )
		1230	const_iv (LOCK_DEADLOCK)
		1231	const_iv (LOCK_NOTGRANTED)
		1232	const_iv (LOG_BUFFER_FULL)
		1233	const_iv (NOSERVER)
		1234	const_iv (NOSERVER_HOME)
		1235	const_iv (NOSERVER_ID)
		1236	const_iv (NOTFOUND)
		1237	const_iv (PAGE_NOTFOUND)
		1238	const_iv (REP_DUPMASTER)
		1239	const_iv (REP_HANDLE_DEAD)
		1240	const_iv (REP_HOLDELECTION)
		1241	const_iv (REP_IGNORE)
		1242	const_iv (REP_ISPERM)
		1243	const_iv (REP_JOIN_FAILURE)
		1244	const_iv (REP_LOCKOUT)
		1245	const_iv (REP_NEWMASTER)
		1246	const_iv (REP_NEWSITE)
		1247	const_iv (REP_NOTPERM)
		1248	const_iv (REP_UNAVAIL)
		1249	const_iv (RUNRECOVERY)
		1250	const_iv (SECONDARY_BAD)
		1251	const_iv (VERIFY_BAD)
		1252	const_iv (VERSION_MISMATCH)
		1253
		1254	const_iv (VERB_DEADLOCK)
		1255	const_iv (VERB_RECOVERY)
		1256	const_iv (VERB_REGISTER)
		1257	const_iv (VERB_REPLICATION)
		1258	const_iv (VERB_WAITSFOR)
		1259
		1260	const_iv (VERSION_MAJOR)
		1261	const_iv (VERSION_MINOR)
		1262	const_iv (VERSION_PATCH)
		1263	#if DB_VERSION_MINOR >= 5
		1264	const_iv (MULTIVERSION)
		1265	const_iv (TXN_SNAPSHOT)
		1266	#endif
		1267	#if DB_VERSION_MINOR >= 6
		1268	const_iv (PREV_DUP)
		1269	const_iv (PRIORITY_UNCHANGED)
		1270	const_iv (PRIORITY_VERY_LOW)
		1271	const_iv (PRIORITY_LOW)
		1272	const_iv (PRIORITY_DEFAULT)
		1273	const_iv (PRIORITY_HIGH)
		1274	const_iv (PRIORITY_VERY_HIGH)
		1275	#endif
		1276	#if DB_VERSION_MINOR >= 7
		1277	const_iv (LOG_DIRECT)
		1278	const_iv (LOG_DSYNC)
		1279	const_iv (LOG_AUTO_REMOVE)
		1280	const_iv (LOG_IN_MEMORY)
		1281	const_iv (LOG_ZERO)
		1282	#else
		1283	const_iv (DIRECT_LOG)
		1284	const_iv (DSYNC_LOG)
		1285	const_iv (LOG_AUTOREMOVE)
		1286	const_iv (LOG_INMEMORY)
		1287	#endif
1040	};	1288	};
1041		1289
1042	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1290	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1291	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044		1292
1045	create_pipe ();	1293	{
		1294	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1295	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1296
		1297	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1298	}
		1299
		1300	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1301
		1302	create_respipe ();
		1303
1046	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1304	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1305	patch_errno ();
1047	}	1306	}
1048		1307
1049	void	1308	void
1050	max_poll_reqs (int nreqs)	1309	max_poll_reqs (int nreqs)
1051	PROTOTYPE: $	1310	PROTOTYPE: $
…		…
1170		1429
1171	int	1430	int
1172	nthreads ()	1431	nthreads ()
1173	PROTOTYPE:	1432	PROTOTYPE:
1174	CODE:	1433	CODE:
1175	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1434	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176	RETVAL = started;	1435	RETVAL = started;
1177	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1436	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178	OUTPUT:	1437	OUTPUT:
1179	RETVAL	1438	RETVAL
1180		1439
1181	void	1440	void
1182	set_sync_prepare (SV *cb)	1441	set_sync_prepare (SV *cb)
1183	PROTOTYPE: &	1442	PROTOTYPE: &
1184	CODE:	1443	CODE:
1185	SvREFCNT_dec (prepare_cb);	1444	SvREFCNT_dec (prepare_cb);
1186	prepare_cb = newSVsv (cb);	1445	prepare_cb = newSVsv (cb);
1187		1446
		1447	char *
		1448	strerror (int errorno = errno)
		1449	PROTOTYPE: ;$
		1450	CODE:
		1451	RETVAL = db_strerror (errorno);
		1452	OUTPUT:
		1453	RETVAL
		1454
		1455	void _on_next_submit (SV *cb)
		1456	CODE:
		1457	SvREFCNT_dec (on_next_submit);
		1458	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1188		1459
1189	DB_ENV *	1460	DB_ENV *
1190	db_env_create (U32 env_flags = 0)	1461	db_env_create (U32 env_flags = 0)
1191	CODE:	1462	CODE:
1192	{	1463	{
1193	errno = db_env_create (&RETVAL, env_flags);	1464	errno = db_env_create (&RETVAL, env_flags);
1194	if (errno)	1465	if (errno)
1195	croak ("db_env_create: %s", db_strerror (errno));	1466	croak ("db_env_create: %s", db_strerror (errno));
		1467
		1468	if (0)
		1469	{
		1470	RETVAL->set_errcall (RETVAL, debug_errcall);
		1471	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1472	}
1196	}	1473	}
1197	OUTPUT:	1474	OUTPUT:
1198	RETVAL	1475	RETVAL
1199		1476
1200	void	1477	void
1201	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1478	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1479	PREINIT:
		1480	CALLBACK
1202	CODE:	1481	CODE:
1203	{	1482	{
1204	env->set_thread_count (env, get_nthreads ());
1205
1206	dREQ (REQ_ENV_OPEN);	1483	dREQ (REQ_ENV_OPEN);
1207	req->env = env;	1484	req->env = env;
1208	req->uint1 = open_flags | DB_THREAD;	1485	req->uint1 = open_flags | DB_THREAD;
1209	req->int1 = mode;	1486	req->int1 = mode;
1210	req->buf1 = strdup_ornull (db_home);	1487	req->buf1 = strdup_ornull (db_home);
1211	REQ_SEND;	1488	REQ_SEND;
1212	}	1489	}
1213		1490
1214	void	1491	void
1215	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1492	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1493	PREINIT:
		1494	CALLBACK
1216	CODE:	1495	CODE:
1217	{	1496	{
1218	dREQ (REQ_ENV_CLOSE);	1497	dREQ (REQ_ENV_CLOSE);
1219	req->env = env;	1498	req->env = env;
1220	req->uint1 = flags;	1499	req->uint1 = flags;
1221	REQ_SEND;	1500	REQ_SEND;
1222	ptr_nuke (ST (0));	1501	ptr_nuke (ST (0));
1223	}	1502	}
1224		1503
1225	void	1504	void
1226	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1505	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1506	PREINIT:
		1507	CALLBACK
1227	CODE:	1508	CODE:
1228	{	1509	{
1229	dREQ (REQ_ENV_TXN_CHECKPOINT);	1510	dREQ (REQ_ENV_TXN_CHECKPOINT);
1230	req->env = env;	1511	req->env = env;
1231	req->uint1 = kbyte;	1512	req->uint1 = kbyte;
…		…
1233	req->uint2 = flags;	1514	req->uint2 = flags;
1234	REQ_SEND;	1515	REQ_SEND;
1235	}	1516	}
1236		1517
1237	void	1518	void
1238	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)	1519	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1520	PREINIT:
		1521	CALLBACK
1239	CODE:	1522	CODE:
1240	{	1523	{
1241	dREQ (REQ_ENV_LOCK_DETECT);	1524	dREQ (REQ_ENV_LOCK_DETECT);
1242	req->env = env;	1525	req->env = env;
1243	req->uint1 = flags;	1526	req->uint1 = flags;
1244	req->uint2 = atype;	1527	req->uint2 = atype;
		1528	/* req->int2 = 0; dummy */
1245	REQ_SEND;	1529	REQ_SEND;
1246	}	1530	}
1247		1531
1248	void	1532	void
1249	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1533	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1534	PREINIT:
		1535	CALLBACK
1250	CODE:	1536	CODE:
1251	{	1537	{
1252	dREQ (REQ_ENV_MEMP_SYNC);	1538	dREQ (REQ_ENV_MEMP_SYNC);
1253	req->env = env;	1539	req->env = env;
1254	REQ_SEND;	1540	REQ_SEND;
1255	}	1541	}
1256		1542
1257	void	1543	void
1258	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1544	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1545	PREINIT:
		1546	CALLBACK
1259	CODE:	1547	CODE:
1260	{	1548	{
1261	dREQ (REQ_ENV_MEMP_TRICKLE);	1549	dREQ (REQ_ENV_MEMP_TRICKLE);
1262	req->env = env;	1550	req->env = env;
1263	req->int1 = percent;	1551	req->int1 = percent;
1264	REQ_SEND;	1552	REQ_SEND;
1265	}	1553	}
1266		1554
		1555	void
		1556	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1557	PREINIT:
		1558	CALLBACK
		1559	CODE:
		1560	{
		1561	dREQ (REQ_ENV_DBREMOVE);
		1562	req->env = env;
		1563	req->buf1 = strdup_ornull (file);
		1564	req->buf2 = strdup_ornull (database);
		1565	req->uint1 = flags;
		1566	REQ_SEND;
		1567	}
		1568
		1569	void
		1570	db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0)
		1571	PREINIT:
		1572	CALLBACK
		1573	CODE:
		1574	{
		1575	dREQ (REQ_ENV_DBRENAME);
		1576	req->env = env;
		1577	req->buf1 = strdup_ornull (file);
		1578	req->buf2 = strdup_ornull (database);
		1579	req->buf3 = strdup_ornull (newname);
		1580	req->uint1 = flags;
		1581	REQ_SEND;
		1582	}
1267		1583
1268	DB *	1584	DB *
1269	db_create (DB_ENV *env = 0, U32 flags = 0)	1585	db_create (DB_ENV *env = 0, U32 flags = 0)
1270	CODE:	1586	CODE:
1271	{	1587	{
…		…
1278	}	1594	}
1279	OUTPUT:	1595	OUTPUT:
1280	RETVAL	1596	RETVAL
1281		1597
1282	void	1598	void
1283	db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	1599	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1600	PREINIT:
		1601	CALLBACK
1284	CODE:	1602	CODE:
1285	{	1603	{
1286	dREQ (REQ_DB_OPEN);	1604	dREQ (REQ_DB_OPEN);
1287	req->db = db;	1605	req->db = db;
1288	req->txn = txnid;	1606	req->txn = txnid;
…		…
1293	req->int2 = mode;	1611	req->int2 = mode;
1294	REQ_SEND;	1612	REQ_SEND;
1295	}	1613	}
1296		1614
1297	void	1615	void
1298	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1616	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1617	PREINIT:
		1618	CALLBACK
1299	CODE:	1619	CODE:
1300	{	1620	{
1301	dREQ (REQ_DB_CLOSE);	1621	dREQ (REQ_DB_CLOSE);
1302	req->db = db;	1622	req->db = db;
1303	req->uint1 = flags;	1623	req->uint1 = flags;
…		…
1305	REQ_SEND;	1625	REQ_SEND;
1306	ptr_nuke (ST (0));	1626	ptr_nuke (ST (0));
1307	}	1627	}
1308		1628
1309	void	1629	void
1310	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = &PL_sv_undef)	1630	db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0)
		1631	PREINIT:
		1632	CALLBACK
1311	CODE:	1633	CODE:
1312	{	1634	{
1313	dREQ (REQ_DB_COMPACT);	1635	dREQ (REQ_DB_COMPACT);
1314	req->db = db;	1636	req->db = db;
1315	req->txn = txn;	1637	req->txn = txn;
…		…
1318	req->uint1 = flags;	1640	req->uint1 = flags;
1319	REQ_SEND;	1641	REQ_SEND;
1320	}	1642	}
1321		1643
1322	void	1644	void
1323	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1645	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1646	PREINIT:
		1647	CALLBACK
1324	CODE:	1648	CODE:
1325	{	1649	{
1326	dREQ (REQ_DB_SYNC);	1650	dREQ (REQ_DB_SYNC);
1327	req->db = db;	1651	req->db = db;
1328	req->uint1 = flags;	1652	req->uint1 = flags;
1329	REQ_SEND;	1653	REQ_SEND;
1330	}	1654	}
1331		1655
1332	void	1656	void
		1657	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1658	PREINIT:
		1659	CALLBACK
		1660	CODE:
		1661	{
		1662	dREQ (REQ_DB_SYNC);
		1663	req->db = db;
		1664	req->buf1 = strdup (file);
		1665	req->uint1 = flags;
		1666	REQ_SEND;
		1667	}
		1668
		1669	void
1333	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1670	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1671	PREINIT:
		1672	CALLBACK
1334	CODE:	1673	CODE:
1335	{	1674	{
1336	dREQ (REQ_DB_KEY_RANGE);	1675	dREQ (REQ_DB_KEY_RANGE);
1337	req->db = db;	1676	req->db = db;
1338	req->txn = txn;	1677	req->txn = txn;
…		…
1341	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1680	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1342	REQ_SEND;	1681	REQ_SEND;
1343	}	1682	}
1344		1683
1345	void	1684	void
1346	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1685	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1686	PREINIT:
		1687	CALLBACK
1347	CODE:	1688	CODE:
1348	{	1689	{
1349	dREQ (REQ_DB_PUT);	1690	dREQ (REQ_DB_PUT);
1350	req->db = db;	1691	req->db = db;
1351	req->txn = txn;	1692	req->txn = txn;
…		…
1353	sv_to_dbt (&req->dbt2, data);	1694	sv_to_dbt (&req->dbt2, data);
1354	req->uint1 = flags;	1695	req->uint1 = flags;
1355	REQ_SEND;	1696	REQ_SEND;
1356	}	1697	}
1357		1698
		1699	#if DB_VERSION_MINOR >= 6
		1700
1358	void	1701	void
		1702	db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1703	PREINIT:
		1704	CALLBACK
		1705	CODE:
		1706	{
		1707	dREQ (REQ_DB_EXISTS);
		1708	req->db = db;
		1709	req->txn = txn;
		1710	req->uint1 = flags;
		1711	sv_to_dbt (&req->dbt1, key);
		1712	REQ_SEND;
		1713	}
		1714
		1715	#endif
		1716
		1717	void
1359	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1718	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1719	PREINIT:
		1720	CALLBACK
1360	CODE:	1721	CODE:
		1722	if (SvREADONLY (data))
		1723	croak ("can't modify read-only data scalar in db_get");
1361	{	1724	{
1362	dREQ (REQ_DB_GET);	1725	dREQ (REQ_DB_GET);
1363	req->db = db;	1726	req->db = db;
1364	req->txn = txn;	1727	req->txn = txn;
1365	req->uint1 = flags;	1728	req->uint1 = flags;
…		…
1368	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1731	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1369	REQ_SEND;	1732	REQ_SEND;
1370	}	1733	}
1371		1734
1372	void	1735	void
1373	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1736	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1737	PREINIT:
		1738	CALLBACK
1374	CODE:	1739	CODE:
		1740	if (SvREADONLY (data))
		1741	croak ("can't modify read-only data scalar in db_pget");
1375	{	1742	{
1376	dREQ (REQ_DB_PGET);	1743	dREQ (REQ_DB_PGET);
1377	req->db = db;	1744	req->db = db;
1378	req->txn = txn;	1745	req->txn = txn;
1379	req->uint1 = flags;	1746	req->uint1 = flags;
…		…
1383	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1750	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1384	REQ_SEND;	1751	REQ_SEND;
1385	}	1752	}
1386		1753
1387	void	1754	void
1388	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1755	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1756	PREINIT:
		1757	CALLBACK
1389	CODE:	1758	CODE:
1390	{	1759	{
1391	dREQ (REQ_DB_DEL);	1760	dREQ (REQ_DB_DEL);
1392	req->db = db;	1761	req->db = db;
1393	req->txn = txn;	1762	req->txn = txn;
…		…
1395	sv_to_dbt (&req->dbt1, key);	1764	sv_to_dbt (&req->dbt1, key);
1396	REQ_SEND;	1765	REQ_SEND;
1397	}	1766	}
1398		1767
1399	void	1768	void
1400	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1769	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1770	PREINIT:
		1771	CALLBACK
1401	CODE:	1772	CODE:
1402	{	1773	{
1403	dREQ (REQ_TXN_COMMIT);	1774	dREQ (REQ_TXN_COMMIT);
1404	req->txn = txn;	1775	req->txn = txn;
1405	req->uint1 = flags;	1776	req->uint1 = flags;
1406	REQ_SEND;	1777	REQ_SEND;
1407	ptr_nuke (ST (0));	1778	ptr_nuke (ST (0));
1408	}	1779	}
1409		1780
1410	void	1781	void
1411	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1782	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1783	PREINIT:
		1784	CALLBACK
1412	CODE:	1785	CODE:
1413	{	1786	{
1414	dREQ (REQ_TXN_ABORT);	1787	dREQ (REQ_TXN_ABORT);
1415	req->txn = txn;	1788	req->txn = txn;
1416	REQ_SEND;	1789	REQ_SEND;
1417	ptr_nuke (ST (0));	1790	ptr_nuke (ST (0));
1418	}	1791	}
1419		1792
1420	void	1793	void
		1794	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1795	PREINIT:
		1796	CALLBACK
		1797	CODE:
		1798	{
		1799	dREQ (REQ_TXN_FINISH);
		1800	req->txn = txn;
		1801	req->uint1 = flags;
		1802	REQ_SEND;
		1803	ptr_nuke (ST (0));
		1804	}
		1805
		1806	void
1421	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1807	db_c_close (DBC *dbc, SV *callback = 0)
		1808	PREINIT:
		1809	CALLBACK
1422	CODE:	1810	CODE:
1423	{	1811	{
1424	dREQ (REQ_C_CLOSE);	1812	dREQ (REQ_C_CLOSE);
1425	req->dbc = dbc;	1813	req->dbc = dbc;
1426	REQ_SEND;	1814	REQ_SEND;
1427	ptr_nuke (ST (0));	1815	ptr_nuke (ST (0));
1428	}	1816	}
1429		1817
1430	void	1818	void
1431	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1819	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
1432	CODE:	1822	CODE:
1433	{	1823	{
1434	dREQ (REQ_C_COUNT);	1824	dREQ (REQ_C_COUNT);
1435	req->dbc = dbc;	1825	req->dbc = dbc;
1436	req->sv1 = SvREFCNT_inc (count);	1826	req->sv1 = SvREFCNT_inc (count);
1437	REQ_SEND;	1827	REQ_SEND;
1438	}	1828	}
1439		1829
1440	void	1830	void
1441	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1831	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1832	PREINIT:
		1833	CALLBACK
1442	CODE:	1834	CODE:
1443	{	1835	{
1444	dREQ (REQ_C_PUT);	1836	dREQ (REQ_C_PUT);
1445	req->dbc = dbc;	1837	req->dbc = dbc;
1446	sv_to_dbt (&req->dbt1, key);	1838	sv_to_dbt (&req->dbt1, key);
…		…
1448	req->uint1 = flags;	1840	req->uint1 = flags;
1449	REQ_SEND;	1841	REQ_SEND;
1450	}	1842	}
1451		1843
1452	void	1844	void
1453	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1845	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1846	PREINIT:
		1847	CALLBACK
1454	CODE:	1848	CODE:
1455	{	1849	{
1456	dREQ (REQ_C_GET);	1850	dREQ (REQ_C_GET);
1457	req->dbc = dbc;	1851	req->dbc = dbc;
1458	req->uint1 = flags;	1852	req->uint1 = flags;
…		…
1473	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1867	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1474	REQ_SEND;	1868	REQ_SEND;
1475	}	1869	}
1476		1870
1477	void	1871	void
1478	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1872	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1873	PREINIT:
		1874	CALLBACK
1479	CODE:	1875	CODE:
1480	{	1876	{
1481	dREQ (REQ_C_PGET);	1877	dREQ (REQ_C_PGET);
1482	req->dbc = dbc;	1878	req->dbc = dbc;
1483	req->uint1 = flags;	1879	req->uint1 = flags;
…		…
1501	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1897	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1502	REQ_SEND;	1898	REQ_SEND;
1503	}	1899	}
1504		1900
1505	void	1901	void
1506	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1902	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1903	PREINIT:
		1904	CALLBACK
1507	CODE:	1905	CODE:
1508	{	1906	{
1509	dREQ (REQ_C_DEL);	1907	dREQ (REQ_C_DEL);
1510	req->dbc = dbc;	1908	req->dbc = dbc;
1511	req->uint1 = flags;	1909	req->uint1 = flags;
1512	REQ_SEND;	1910	REQ_SEND;
1513	}	1911	}
1514		1912
1515		1913
1516	void	1914	void
1517	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1915	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1916	PREINIT:
		1917	CALLBACK
1518	CODE:	1918	CODE:
1519	{	1919	{
1520	dREQ (REQ_SEQ_OPEN);	1920	dREQ (REQ_SEQ_OPEN);
1521	req->seq = seq;	1921	req->seq = seq;
1522	req->txn = txnid;	1922	req->txn = txnid;
…		…
1524	sv_to_dbt (&req->dbt1, key);	1924	sv_to_dbt (&req->dbt1, key);
1525	REQ_SEND;	1925	REQ_SEND;
1526	}	1926	}
1527		1927
1528	void	1928	void
1529	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1929	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1930	PREINIT:
		1931	CALLBACK
1530	CODE:	1932	CODE:
1531	{	1933	{
1532	dREQ (REQ_SEQ_CLOSE);	1934	dREQ (REQ_SEQ_CLOSE);
1533	req->seq = seq;	1935	req->seq = seq;
1534	req->uint1 = flags;	1936	req->uint1 = flags;
1535	REQ_SEND;	1937	REQ_SEND;
1536	ptr_nuke (ST (0));	1938	ptr_nuke (ST (0));
1537	}	1939	}
1538		1940
1539	void	1941	void
1540	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)	1942	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1943	PREINIT:
		1944	CALLBACK
1541	CODE:	1945	CODE:
1542	{	1946	{
1543	dREQ (REQ_SEQ_GET);	1947	dREQ (REQ_SEQ_GET);
1544	req->seq = seq;	1948	req->seq = seq;
1545	req->txn = txnid;	1949	req->txn = txnid;
…		…
1548	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1952	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1549	REQ_SEND;	1953	REQ_SEND;
1550	}	1954	}
1551		1955
1552	void	1956	void
1553	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1957	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1958	PREINIT:
		1959	CALLBACK
1554	CODE:	1960	CODE:
1555	{	1961	{
1556	dREQ (REQ_SEQ_REMOVE);	1962	dREQ (REQ_SEQ_REMOVE);
1557	req->seq = seq;	1963	req->seq = seq;
1558	req->txn = txnid;	1964	req->txn = txnid;
…		…
1562		1968
1563		1969
1564	MODULE = BDB PACKAGE = BDB::Env	1970	MODULE = BDB PACKAGE = BDB::Env
1565		1971
1566	void	1972	void
1567	DESTROY (DB_ENV_ornull *env)	1973	DESTROY (DB_ENV_ornuked *env)
1568	CODE:	1974	CODE:
1569	if (env)	1975	if (env)
1570	env->close (env, 0);	1976	env->close (env, 0);
1571		1977
1572	int set_data_dir (DB_ENV *env, const char *dir)	1978	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1597	CODE:	2003	CODE:
1598	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	2004	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1599	OUTPUT:	2005	OUTPUT:
1600	RETVAL	2006	RETVAL
1601		2007
1602	int set_flags (DB_ENV *env, U32 flags, int onoff)	2008	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1603	CODE:	2009	CODE:
1604	RETVAL = env->set_flags (env, flags, onoff);	2010	RETVAL = env->set_flags (env, flags, onoff);
1605	OUTPUT:	2011	OUTPUT:
1606	RETVAL	2012	RETVAL
1607		2013
		2014	#if DB_VERSION_MINOR >= 7
		2015
		2016	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		2017	CODE:
		2018	RETVAL = env->set_intermediate_dir_mode (env, mode);
		2019	OUTPUT:
		2020	RETVAL
		2021
		2022	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		2023	CODE:
		2024	RETVAL = env->log_set_config (env, flags, onoff);
		2025	OUTPUT:
		2026	RETVAL
		2027
		2028	#endif
		2029
		2030
		2031	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2032	CODE:
		2033	env->set_errfile (env, errfile);
		2034
		2035	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2036	CODE:
		2037	env->set_msgfile (env, msgfile);
		2038
		2039	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2040	CODE:
		2041	RETVAL = env->set_verbose (env, which, onoff);
		2042	OUTPUT:
		2043	RETVAL
		2044
1608	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2045	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609	CODE:	2046	CODE:
1610	RETVAL = env->set_encrypt (env, password, flags);	2047	RETVAL = env->set_encrypt (env, password, flags);
1611	OUTPUT:	2048	OUTPUT:
1612	RETVAL	2049	RETVAL
1613		2050
1614	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2051	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1615	CODE:	2052	CODE:
1616	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2053	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1617	OUTPUT:	2054	OUTPUT:
1618	RETVAL	2055	RETVAL
1619		2056
…		…
1633	CODE:	2070	CODE:
1634	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);	2071	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1635	OUTPUT:	2072	OUTPUT:
1636	RETVAL	2073	RETVAL
1637		2074
1638	int set_lk_detect (DB_ENV *env, U32 detect)	2075	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1639	CODE:	2076	CODE:
1640	RETVAL = env->set_lk_detect (env, detect);	2077	RETVAL = env->set_lk_detect (env, detect);
1641	OUTPUT:	2078	OUTPUT:
1642	RETVAL	2079	RETVAL
1643		2080
…		…
1667		2104
1668	int set_lg_max (DB_ENV *env, U32 max)	2105	int set_lg_max (DB_ENV *env, U32 max)
1669	CODE:	2106	CODE:
1670	RETVAL = env->set_lg_max (env, max);	2107	RETVAL = env->set_lg_max (env, max);
1671	OUTPUT:	2108	OUTPUT:
		2109	RETVAL
		2110
		2111	int mutex_set_max (DB_ENV *env, U32 max)
		2112	CODE:
		2113	RETVAL = env->mutex_set_max (env, max);
		2114	OUTPUT:
		2115	RETVAL
		2116
		2117	int mutex_set_increment (DB_ENV *env, U32 increment)
		2118	CODE:
		2119	RETVAL = env->mutex_set_increment (env, increment);
		2120	OUTPUT:
		2121	RETVAL
		2122
		2123	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2124	CODE:
		2125	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2126	OUTPUT:
		2127	RETVAL
		2128
		2129	int mutex_set_align (DB_ENV *env, U32 align)
		2130	CODE:
		2131	RETVAL = env->mutex_set_align (env, align);
		2132	OUTPUT:
1672	RETVAL	2133	RETVAL
1673		2134
1674	DB_TXN *	2135	DB_TXN *
1675	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2136	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1676	CODE:	2137	CODE:
…		…
1678	if (errno)	2139	if (errno)
1679	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));	2140	croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1680	OUTPUT:	2141	OUTPUT:
1681	RETVAL	2142	RETVAL
1682		2143
		2144	#if DB_VERSION_MINOR >= 5
		2145
		2146	DB_TXN *
		2147	cdsgroup_begin (DB_ENV *env)
		2148	CODE:
		2149	errno = env->cdsgroup_begin (env, &RETVAL);
		2150	if (errno)
		2151	croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno));
		2152	OUTPUT:
		2153	RETVAL
		2154
		2155	#endif
		2156
1683	MODULE = BDB PACKAGE = BDB::Db	2157	MODULE = BDB PACKAGE = BDB::Db
1684		2158
1685	void	2159	void
1686	DESTROY (DB_ornull *db)	2160	DESTROY (DB_ornuked *db)
1687	CODE:	2161	CODE:
1688	if (db)	2162	if (db)
1689	{	2163	{
1690	SV *env = (SV *)db->app_private;	2164	SV *env = (SV *)db->app_private;
1691	db->close (db, 0);	2165	db->close (db, 0);
…		…
1696	CODE:	2170	CODE:
1697	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2171	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698	OUTPUT:	2172	OUTPUT:
1699	RETVAL	2173	RETVAL
1700		2174
1701	int set_flags (DB *db, U32 flags);	2175	int set_flags (DB *db, U32 flags)
1702	CODE:	2176	CODE:
1703	RETVAL = db->set_flags (db, flags);	2177	RETVAL = db->set_flags (db, flags);
1704	OUTPUT:	2178	OUTPUT:
1705	RETVAL	2179	RETVAL
1706		2180
…		…
1720	CODE:	2194	CODE:
1721	RETVAL = db->set_bt_minkey (db, minkey);	2195	RETVAL = db->set_bt_minkey (db, minkey);
1722	OUTPUT:	2196	OUTPUT:
1723	RETVAL	2197	RETVAL
1724		2198
1725	int set_re_delim(DB *db, int delim);	2199	int set_re_delim (DB *db, int delim)
1726	CODE:	2200	CODE:
1727	RETVAL = db->set_re_delim (db, delim);	2201	RETVAL = db->set_re_delim (db, delim);
1728	OUTPUT:	2202	OUTPUT:
1729	RETVAL	2203	RETVAL
1730		2204
…		…
1786		2260
1787		2261
1788	MODULE = BDB PACKAGE = BDB::Txn	2262	MODULE = BDB PACKAGE = BDB::Txn
1789		2263
1790	void	2264	void
1791	DESTROY (DB_TXN_ornull *txn)	2265	DESTROY (DB_TXN_ornuked *txn)
1792	CODE:	2266	CODE:
1793	if (txn)	2267	if (txn)
1794	txn->abort (txn);	2268	txn->abort (txn);
1795		2269
1796	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2270	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1797	CODE:	2271	CODE:
1798	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2272	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1799	OUTPUT:	2273	OUTPUT:
1800	RETVAL	2274	RETVAL
1801		2275
		2276	int failed (DB_TXN *txn)
		2277	CODE:
		2278	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2279	OUTPUT:
		2280	RETVAL
		2281
1802		2282
1803	MODULE = BDB PACKAGE = BDB::Cursor	2283	MODULE = BDB PACKAGE = BDB::Cursor
1804		2284
1805	void	2285	void
1806	DESTROY (DBC_ornull *dbc)	2286	DESTROY (DBC_ornuked *dbc)
1807	CODE:	2287	CODE:
1808	if (dbc)	2288	if (dbc)
1809	dbc->c_close (dbc);	2289	dbc->c_close (dbc);
1810		2290
		2291	#if DB_VERSION_MINOR >= 6
		2292
		2293	int set_priority (DBC *dbc, int priority)
		2294	CODE:
		2295	dbc->set_priority (dbc, priority);
		2296
		2297	#endif
		2298
1811	MODULE = BDB PACKAGE = BDB::Sequence	2299	MODULE = BDB PACKAGE = BDB::Sequence
1812		2300
1813	void	2301	void
1814	DESTROY (DB_SEQUENCE_ornull *seq)	2302	DESTROY (DB_SEQUENCE_ornuked *seq)
1815	CODE:	2303	CODE:
1816	if (seq)	2304	if (seq)
1817	seq->close (seq, 0);	2305	seq->close (seq, 0);
1818		2306
1819	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2307	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1838	CODE:	2326	CODE:
1839	RETVAL = seq->set_range (seq, min, max);	2327	RETVAL = seq->set_range (seq, min, max);
1840	OUTPUT:	2328	OUTPUT:
1841	RETVAL	2329	RETVAL
1842		2330
		2331

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