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Comparing BDB/BDB.xs (file contents):
Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC vs.
Revision 1.42 by root, Wed Jul 9 12:39:56 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_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	{
365	free (req->buf1);	416	free (req->buf1);
366	free (req->buf2);	417	free (req->buf2);
		418	free (req->buf3);
367	Safefree (req);	419	Safefree (req);
368	}	420	}
369		421
370	static void *aio_proc (void *arg);	422	#ifdef USE_SOCKETS_AS_HANDLES
		423	# define TO_SOCKET(x) (win32_get_osfhandle (x))
		424	#else
		425	# define TO_SOCKET(x) (x)
		426	#endif
		427
		428	static void
		429	create_respipe (void)
		430	{
		431	#ifdef _WIN32
		432	int arg; /* argg */
		433	#endif
		434	int old_readfd = respipe [0];
		435
		436	if (respipe [1] >= 0)
		437	respipe_close (TO_SOCKET (respipe [1]));
		438
		439	#ifdef _WIN32
		440	if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
		441	#else
		442	if (pipe (respipe))
		443	#endif
		444	croak ("unable to initialize result pipe");
		445
		446	if (old_readfd >= 0)
		447	{
		448	if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
		449	croak ("unable to initialize result pipe(2)");
		450
		451	respipe_close (respipe [0]);
		452	respipe [0] = old_readfd;
		453	}
		454
		455	#ifdef _WIN32
		456	arg = 1;
		457	if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
		458	|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
		459	#else
		460	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
		461	|| fcntl (respipe [1], F_SETFL, O_NONBLOCK))
		462	#endif
		463	croak ("unable to initialize result pipe(3)");
		464
		465	respipe_osf [0] = TO_SOCKET (respipe [0]);
		466	respipe_osf [1] = TO_SOCKET (respipe [1]);
		467	}
		468
		469	X_THREAD_PROC (bdb_proc);
371		470
372	static void start_thread (void)	471	static void start_thread (void)
373	{	472	{
374	sigset_t fullsigset, oldsigset;
375	pthread_attr_t attr;
376
377	worker *wrk = calloc (1, sizeof (worker));	473	worker *wrk = calloc (1, sizeof (worker));
378		474
379	if (!wrk)	475	if (!wrk)
380	croak ("unable to allocate worker thread data");	476	croak ("unable to allocate worker thread data");
381		477
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);	478	X_LOCK (wrklock);
391	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	479	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394	{	480	{
395	wrk->prev = &wrk_first;	481	wrk->prev = &wrk_first;
396	wrk->next = wrk_first.next;	482	wrk->next = wrk_first.next;
397	wrk_first.next->prev = wrk;	483	wrk_first.next->prev = wrk;
398	wrk_first.next = wrk;	484	wrk_first.next = wrk;
399	++started;	485	++started;
400	}	486	}
401	else	487	else
402	free (wrk);	488	free (wrk);
403		489
404	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405	UNLOCK (wrklock);	490	X_UNLOCK (wrklock);
406	}	491	}
407		492
408	static void maybe_start_thread ()	493	static void maybe_start_thread (void)
409	{	494	{
410	if (get_nthreads () >= wanted)	495	if (get_nthreads () >= wanted)
411	return;	496	return;
412		497
413	/* todo: maybe use idle here, but might be less exact */	498	/* todo: maybe use idle here, but might be less exact */
…		…
415	return;	500	return;
416		501
417	start_thread ();	502	start_thread ();
418	}	503	}
419		504
420	static void req_send (aio_req req)	505	static void req_send (bdb_req req)
421	{	506	{
422	SV *wait_callback = 0;	507	SV *wait_callback = 0;
423		508
		509	if (on_next_submit)
		510	{
		511	dSP;
		512	SV *cb = sv_2mortal (on_next_submit);
		513
		514	on_next_submit = 0;
		515
		516	PUSHMARK (SP);
		517	PUTBACK;
		518	call_sv (cb, G_DISCARD | G_EVAL);
		519	}
		520
424	// synthesize callback if none given	521	// synthesize callback if none given
425	if (!SvOK (req->callback))	522	if (!req->callback)
426	{	523	{
		524	int count;
		525
427	dSP;	526	dSP;
428	PUSHMARK (SP);	527	PUSHMARK (SP);
429	PUTBACK;	528	PUTBACK;
430	int count = call_sv (prepare_cb, G_ARRAY);	529	count = call_sv (prepare_cb, G_ARRAY);
431	SPAGAIN;	530	SPAGAIN;
432		531
433	if (count != 2)	532	if (count != 2)
434	croak ("prepare callback must return exactly two values\n");	533	croak ("prepare callback must return exactly two values\n");
435		534
436	wait_callback = SvREFCNT_inc (POPs);	535	wait_callback = POPs;
437	SvREFCNT_dec (req->callback);	536	SvREFCNT_dec (req->callback);
438	req->callback = SvREFCNT_inc (POPs);	537	req->callback = SvREFCNT_inc (POPs);
439	}	538	}
440		539
441	++nreqs;	540	++nreqs;
442		541
443	LOCK (reqlock);	542	X_LOCK (reqlock);
444	++nready;	543	++nready;
445	reqq_push (&req_queue, req);	544	reqq_push (&req_queue, req);
446	pthread_cond_signal (&reqwait);	545	X_COND_SIGNAL (reqwait);
447	UNLOCK (reqlock);	546	X_UNLOCK (reqlock);
448		547
449	maybe_start_thread ();	548	maybe_start_thread ();
450		549
451	if (wait_callback)	550	if (wait_callback)
452	{	551	{
453	dSP;	552	dSP;
454	PUSHMARK (SP);	553	PUSHMARK (SP);
455	PUTBACK;	554	PUTBACK;
456	call_sv (wait_callback, G_DISCARD);	555	call_sv (wait_callback, G_DISCARD);
457	SvREFCNT_dec (wait_callback);
458	}	556	}
459	}	557	}
460		558
461	static void end_thread (void)	559	static void end_thread (void)
462	{	560	{
463	aio_req req;	561	bdb_req req;
464		562
465	Newz (0, req, 1, aio_cb);	563	Newz (0, req, 1, bdb_cb);
466		564
467	req->type = REQ_QUIT;	565	req->type = REQ_QUIT;
468	req->pri = PRI_MAX + PRI_BIAS;	566	req->pri = PRI_MAX + PRI_BIAS;
469		567
470	LOCK (reqlock);	568	X_LOCK (reqlock);
471	reqq_push (&req_queue, req);	569	reqq_push (&req_queue, req);
472	pthread_cond_signal (&reqwait);	570	X_COND_SIGNAL (reqwait);
473	UNLOCK (reqlock);	571	X_UNLOCK (reqlock);
474		572
475	LOCK (wrklock);	573	X_LOCK (wrklock);
476	--started;	574	--started;
477	UNLOCK (wrklock);	575	X_UNLOCK (wrklock);
478	}	576	}
479		577
480	static void set_max_idle (int nthreads)	578	static void set_max_idle (int nthreads)
481	{	579	{
482	if (WORDACCESS_UNSAFE) LOCK (reqlock);	580	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483	max_idle = nthreads <= 0 ? 1 : nthreads;	581	max_idle = nthreads <= 0 ? 1 : nthreads;
484	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	582	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485	}	583	}
486		584
487	static void min_parallel (int nthreads)	585	static void min_parallel (int nthreads)
488	{	586	{
489	if (wanted < nthreads)	587	if (wanted < nthreads)
…		…
497		595
498	while (started > wanted)	596	while (started > wanted)
499	end_thread ();	597	end_thread ();
500	}	598	}
501		599
502	static void poll_wait ()	600	static void poll_wait (void)
503	{	601	{
504	fd_set rfd;	602	fd_set rfd;
505		603
506	while (nreqs)	604	while (nreqs)
507	{	605	{
508	int size;	606	int size;
509	if (WORDACCESS_UNSAFE) LOCK (reslock);	607	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510	size = res_queue.size;	608	size = res_queue.size;
511	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	609	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512		610
513	if (size)	611	if (size)
514	return;	612	return;
515		613
516	maybe_start_thread ();	614	maybe_start_thread ();
517		615
518	FD_ZERO(&rfd);	616	FD_ZERO (&rfd);
519	FD_SET(respipe [0], &rfd);	617	FD_SET (respipe [0], &rfd);
520		618
521	select (respipe [0] + 1, &rfd, 0, 0, 0);	619	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522	}	620	}
523	}	621	}
524		622
525	static int poll_cb ()	623	static int poll_cb (void)
526	{	624	{
527	dSP;	625	dSP;
528	int count = 0;	626	int count = 0;
529	int maxreqs = max_poll_reqs;	627	int maxreqs = max_poll_reqs;
530	int do_croak = 0;	628	int do_croak = 0;
531	struct timeval tv_start, tv_now;	629	struct timeval tv_start, tv_now;
532	aio_req req;	630	bdb_req req;
533		631
534	if (max_poll_time)	632	if (max_poll_time)
535	gettimeofday (&tv_start, 0);	633	gettimeofday (&tv_start, 0);
536		634
537	for (;;)	635	for (;;)
538	{	636	{
539	for (;;)	637	for (;;)
540	{	638	{
541	maybe_start_thread ();	639	maybe_start_thread ();
542		640
543	LOCK (reslock);	641	X_LOCK (reslock);
544	req = reqq_shift (&res_queue);	642	req = reqq_shift (&res_queue);
545		643
546	if (req)	644	if (req)
547	{	645	{
548	--npending;	646	--npending;
549		647
550	if (!res_queue.size)	648	if (!res_queue.size)
551	{	649	{
552	/* read any signals sent by the worker threads */	650	/* read any signals sent by the worker threads */
553	char buf [4];	651	char buf [4];
554	while (read (respipe [0], buf, 4) == 4)	652	while (respipe_read (respipe [0], buf, 4) == 4)
555	;	653	;
556	}	654	}
557	}	655	}
558		656
559	UNLOCK (reslock);	657	X_UNLOCK (reslock);
560		658
561	if (!req)	659	if (!req)
562	break;	660	break;
563		661
564	--nreqs;	662	--nreqs;
…		…
594	}	692	}
595		693
596	return count;	694	return count;
597	}	695	}
598		696
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	/*****************************************************************************/	697	/*****************************************************************************/
612		698
613	static void *aio_proc (void *thr_arg)	699	X_THREAD_PROC (bdb_proc)
614	{	700	{
615	aio_req req;	701	bdb_req req;
616	struct timespec ts;	702	struct timespec ts;
617	worker *self = (worker *)thr_arg;	703	worker *self = (worker *)thr_arg;
618		704
619	/* try to distribute timeouts somewhat evenly */	705	/* try to distribute timeouts somewhat evenly */
620	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	706	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621	* (1000000000UL / 1024UL);
622		707
623	for (;;)	708	for (;;)
624	{	709	{
625	ts.tv_sec = time (0) + IDLE_TIMEOUT;	710	ts.tv_sec = time (0) + IDLE_TIMEOUT;
626		711
627	LOCK (reqlock);	712	X_LOCK (reqlock);
628		713
629	for (;;)	714	for (;;)
630	{	715	{
631	self->req = req = reqq_shift (&req_queue);	716	self->req = req = reqq_shift (&req_queue);
632		717
633	if (req)	718	if (req)
634	break;	719	break;
635		720
636	++idle;	721	++idle;
637		722
638	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	723	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639	== ETIMEDOUT)	724	== ETIMEDOUT)
640	{	725	{
641	if (idle > max_idle)	726	if (idle > max_idle)
642	{	727	{
643	--idle;	728	--idle;
644	UNLOCK (reqlock);	729	X_UNLOCK (reqlock);
645	LOCK (wrklock);	730	X_LOCK (wrklock);
646	--started;	731	--started;
647	UNLOCK (wrklock);	732	X_UNLOCK (wrklock);
648	goto quit;	733	goto quit;
649	}	734	}
650		735
651	/* we are allowed to idle, so do so without any timeout */	736	/* we are allowed to idle, so do so without any timeout */
652	pthread_cond_wait (&reqwait, &reqlock);	737	X_COND_WAIT (reqwait, reqlock);
653	ts.tv_sec = time (0) + IDLE_TIMEOUT;	738	ts.tv_sec = time (0) + IDLE_TIMEOUT;
654	}	739	}
655		740
656	--idle;	741	--idle;
657	}	742	}
658		743
659	--nready;	744	--nready;
660		745
661	UNLOCK (reqlock);	746	X_UNLOCK (reqlock);
662		747
663	switch (req->type)	748	switch (req->type)
664	{	749	{
665	case REQ_QUIT:	750	case REQ_QUIT:
		751	req->result = ENOSYS;
666	goto quit;	752	goto quit;
667		753
668	case REQ_ENV_OPEN:	754	case REQ_ENV_OPEN:
669	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);	755	req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
670	break;	756	break;
…		…
687		773
688	case REQ_ENV_MEMP_TRICKLE:	774	case REQ_ENV_MEMP_TRICKLE:
689	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);	775	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
690	break;	776	break;
691		777
		778	case REQ_ENV_DBREMOVE:
		779	req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1);
		780	break;
		781
		782	case REQ_ENV_DBRENAME:
		783	req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1);
		784	break;
		785
692	case REQ_DB_OPEN:	786	case REQ_DB_OPEN:
693	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);	787	req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
694	break;	788	break;
695		789
696	case REQ_DB_CLOSE:	790	case REQ_DB_CLOSE:
…		…
703		797
704	case REQ_DB_SYNC:	798	case REQ_DB_SYNC:
705	req->result = req->db->sync (req->db, req->uint1);	799	req->result = req->db->sync (req->db, req->uint1);
706	break;	800	break;
707		801
		802	case REQ_DB_UPGRADE:
		803	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		804	break;
		805
708	case REQ_DB_PUT:	806	case REQ_DB_PUT:
709	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);	807	req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
710	break;	808	break;
711		809
712	case REQ_DB_GET:	810	case REQ_DB_GET:
…		…
729	req->result = req->txn->commit (req->txn, req->uint1);	827	req->result = req->txn->commit (req->txn, req->uint1);
730	break;	828	break;
731		829
732	case REQ_TXN_ABORT:	830	case REQ_TXN_ABORT:
733	req->result = req->txn->abort (req->txn);	831	req->result = req->txn->abort (req->txn);
		832	break;
		833
		834	case REQ_TXN_FINISH:
		835	if (req->txn->flags & TXN_DEADLOCK)
		836	{
		837	req->result = req->txn->abort (req->txn);
		838	if (!req->result)
		839	req->result = DB_LOCK_DEADLOCK;
		840	}
		841	else
		842	req->result = req->txn->commit (req->txn, req->uint1);
734	break;	843	break;
735		844
736	case REQ_C_CLOSE:	845	case REQ_C_CLOSE:
737	req->result = req->dbc->c_close (req->dbc);	846	req->result = req->dbc->c_close (req->dbc);
738	break;	847	break;
…		…
780	default:	889	default:
781	req->result = ENOSYS;	890	req->result = ENOSYS;
782	break;	891	break;
783	}	892	}
784		893
		894	if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
		895	req->txn->flags |= TXN_DEADLOCK;
		896
785	LOCK (reslock);	897	X_LOCK (reslock);
786		898
787	++npending;	899	++npending;
788		900
789	if (!reqq_push (&res_queue, req))	901	if (!reqq_push (&res_queue, req))
790	/* write a dummy byte to the pipe so fh becomes ready */	902	/* write a dummy byte to the pipe so fh becomes ready */
791	write (respipe [1], &respipe, 1);	903	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792		904
793	self->req = 0;	905	self->req = 0;
794	worker_clear (self);	906	worker_clear (self);
795		907
796	UNLOCK (reslock);	908	X_UNLOCK (reslock);
797	}	909	}
798		910
799	quit:	911	quit:
800	LOCK (wrklock);	912	X_LOCK (wrklock);
801	worker_free (self);	913	worker_free (self);
802	UNLOCK (wrklock);	914	X_UNLOCK (wrklock);
803		915
804	return 0;	916	return 0;
805	}	917	}
806		918
807	/*****************************************************************************/	919	/*****************************************************************************/
808		920
809	static void atfork_prepare (void)	921	static void atfork_prepare (void)
810	{	922	{
811	LOCK (wrklock);	923	X_LOCK (wrklock);
812	LOCK (reqlock);	924	X_LOCK (reqlock);
813	LOCK (reslock);	925	X_LOCK (reslock);
814	}	926	}
815		927
816	static void atfork_parent (void)	928	static void atfork_parent (void)
817	{	929	{
818	UNLOCK (reslock);	930	X_UNLOCK (reslock);
819	UNLOCK (reqlock);	931	X_UNLOCK (reqlock);
820	UNLOCK (wrklock);	932	X_UNLOCK (wrklock);
821	}	933	}
822		934
823	static void atfork_child (void)	935	static void atfork_child (void)
824	{	936	{
825	aio_req prv;	937	bdb_req prv;
826		938
827	while (prv = reqq_shift (&req_queue))	939	while (prv = reqq_shift (&req_queue))
828	req_free (prv);	940	req_free (prv);
829		941
830	while (prv = reqq_shift (&res_queue))	942	while (prv = reqq_shift (&res_queue))
…		…
845	idle = 0;	957	idle = 0;
846	nreqs = 0;	958	nreqs = 0;
847	nready = 0;	959	nready = 0;
848	npending = 0;	960	npending = 0;
849		961
850	close (respipe [0]);
851	close (respipe [1]);
852	create_pipe ();	962	create_respipe ();
853		963
854	atfork_parent ();	964	atfork_parent ();
855	}	965	}
856		966
857	#define dREQ(reqtype) \	967	#define dREQ(reqtype) \
858	aio_req req; \	968	bdb_req req; \
859	int req_pri = next_pri; \	969	int req_pri = next_pri; \
860	next_pri = DEFAULT_PRI + PRI_BIAS; \	970	next_pri = DEFAULT_PRI + PRI_BIAS; \
861	\	971	\
862	if (SvOK (callback) && !SvROK (callback)) \	972	if (callback && SvOK (callback)) \
863	croak ("callback must be undef or of reference type"); \	973	croak ("callback has illegal type or extra arguments"); \
864	\	974	\
865	Newz (0, req, 1, aio_cb); \	975	Newz (0, req, 1, bdb_cb); \
866	if (!req) \	976	if (!req) \
867	croak ("out of memory during aio_req allocation"); \	977	croak ("out of memory during bdb_req allocation"); \
868	\	978	\
869	req->callback = newSVsv (callback); \	979	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
870	req->type = (reqtype); \	980	req->type = (reqtype); \
871	req->pri = req_pri	981	req->pri = req_pri
872		982
873	#define REQ_SEND \	983	#define REQ_SEND \
874	req_send (req)	984	req_send (req)
875		985
876	#define SvPTR(var, arg, type, class, nullok) \	986	#define SvPTR(var, arg, type, class, nullok) \
877	if (!SvOK (arg)) \	987	if (!SvOK (arg)) \
878	{ \	988	{ \
879	if (!nullok) \	989	if (nullok != 1) \
880	croak (# var " must be a " # class " object, not undef"); \	990	croak (# var " must be a " # class " object, not undef"); \
881	\	991	\
882	(var) = 0; \	992	(var) = 0; \
883	} \	993	} \
884	else if (sv_derived_from ((arg), # class)) \	994	else if (sv_derived_from ((arg), # class)) \
885	{ \	995	{ \
886	IV tmp = SvIV ((SV*) SvRV (arg)); \	996	IV tmp = SvIV ((SV*) SvRV (arg)); \
887	(var) = INT2PTR (type, tmp); \	997	(var) = INT2PTR (type, tmp); \
888	if (!var) \	998	if (!var && nullok != 2) \
889	croak (# var " is not a valid " # class " object anymore"); \	999	croak (# var " is not a valid " # class " object anymore"); \
890	} \	1000	} \
891	else \	1001	else \
892	croak (# var " is not of type " # class); \	1002	croak (# var " is not of type " # class);
893	\
894		1003
895	static void	1004	static void
896	ptr_nuke (SV *sv)	1005	ptr_nuke (SV *sv)
897	{	1006	{
898	assert (SvROK (sv));	1007	assert (SvROK (sv));
899	sv_setiv (SvRV (sv), 0);	1008	sv_setiv (SvRV (sv), 0);
900	}	1009	}
		1010
		1011	static int
		1012	errno_get (pTHX_ SV *sv, MAGIC *mg)
		1013	{
		1014	if (*mg->mg_ptr == '!') // should always be the case
		1015	if (-30999 <= errno && errno <= -30800)
		1016	{
		1017	sv_setnv (sv, (NV)errno);
		1018	sv_setpv (sv, db_strerror (errno));
		1019	SvNOK_on (sv); /* what a wonderful hack! */
		1020	// ^^^ copied from perl sources
		1021	return 0;
		1022	}
		1023
		1024	return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
		1025	}
		1026
		1027	static MGVTBL vtbl_errno;
		1028
		1029	// this wonderful hack :( patches perl's $! variable to support our errno values
		1030	static void
		1031	patch_errno (void)
		1032	{
		1033	SV *sv;
		1034	MAGIC *mg;
		1035
		1036	if (!(sv = get_sv ("!", 1)))
		1037	return;
		1038
		1039	if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
		1040	return;
		1041
		1042	if (mg->mg_virtual != &PL_vtbl_sv)
		1043	return;
		1044
		1045	vtbl_errno = PL_vtbl_sv;
		1046	vtbl_errno.svt_get = errno_get;
		1047	mg->mg_virtual = &vtbl_errno;
		1048	}
		1049
		1050	#if __GNUC__ >= 4
		1051	# define noinline __attribute__ ((noinline))
		1052	#else
		1053	# define noinline
		1054	#endif
		1055
		1056	static noinline SV *
		1057	pop_callback (I32 *ritems, SV *sv)
		1058	{
		1059	if (SvROK (sv))
		1060	{
		1061	HV *st;
		1062	GV *gvp;
		1063	CV *cv;
		1064	const char *name;
		1065
		1066	/* forgive me */
		1067	if (SvTYPE (SvRV (sv)) == SVt_PVMG
		1068	&& (st = SvSTASH (SvRV (sv)))
		1069	&& (name = HvNAME_get (st))
		1070	&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':'))
		1071	return 0;
		1072
		1073	if ((cv = sv_2cv (sv, &st, &gvp, 0)))
		1074	{
		1075	--*ritems;
		1076	return (SV *)cv;
		1077	}
		1078	}
		1079
		1080	return 0;
		1081	}
		1082
		1083	#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
901		1084
902	MODULE = BDB PACKAGE = BDB	1085	MODULE = BDB PACKAGE = BDB
903		1086
904	PROTOTYPES: ENABLE	1087	PROTOTYPES: ENABLE
905		1088
…		…
921	const_iv (INIT_TXN)	1104	const_iv (INIT_TXN)
922	const_iv (RECOVER)	1105	const_iv (RECOVER)
923	const_iv (INIT_TXN)	1106	const_iv (INIT_TXN)
924	const_iv (RECOVER_FATAL)	1107	const_iv (RECOVER_FATAL)
925	const_iv (CREATE)	1108	const_iv (CREATE)
		1109	const_iv (RDONLY)
926	const_iv (USE_ENVIRON)	1110	const_iv (USE_ENVIRON)
927	const_iv (USE_ENVIRON_ROOT)	1111	const_iv (USE_ENVIRON_ROOT)
928	const_iv (LOCKDOWN)	1112	const_iv (LOCKDOWN)
929	const_iv (PRIVATE)	1113	const_iv (PRIVATE)
930	const_iv (REGISTER)	1114	const_iv (REGISTER)
931	const_iv (SYSTEM_MEM)	1115	const_iv (SYSTEM_MEM)
932	const_iv (AUTO_COMMIT)	1116	const_iv (AUTO_COMMIT)
933	const_iv (CDB_ALLDB)	1117	const_iv (CDB_ALLDB)
934	const_iv (DIRECT_DB)	1118	const_iv (DIRECT_DB)
935	const_iv (DIRECT_LOG)
936	const_iv (DSYNC_DB)	1119	const_iv (DSYNC_DB)
937	const_iv (DSYNC_LOG)
938	const_iv (LOG_AUTOREMOVE)
939	const_iv (LOG_INMEMORY)
940	const_iv (NOLOCKING)	1120	const_iv (NOLOCKING)
941	const_iv (MULTIVERSION)
942	const_iv (NOMMAP)	1121	const_iv (NOMMAP)
943	const_iv (NOPANIC)	1122	const_iv (NOPANIC)
944	const_iv (OVERWRITE)	1123	const_iv (OVERWRITE)
945	const_iv (PANIC_ENVIRONMENT)	1124	const_iv (PANIC_ENVIRONMENT)
946	const_iv (REGION_INIT)	1125	const_iv (REGION_INIT)
947	const_iv (TIME_NOTGRANTED)	1126	const_iv (TIME_NOTGRANTED)
948	const_iv (TXN_NOSYNC)	1127	const_iv (TXN_NOSYNC)
949	const_iv (TXN_SNAPSHOT)	1128	const_iv (TXN_NOT_DURABLE)
950	const_iv (TXN_WRITE_NOSYNC)	1129	const_iv (TXN_WRITE_NOSYNC)
951	const_iv (WRITECURSOR)	1130	const_iv (WRITECURSOR)
952	const_iv (YIELDCPU)	1131	const_iv (YIELDCPU)
953	const_iv (ENCRYPT_AES)	1132	const_iv (ENCRYPT_AES)
954	const_iv (XA_CREATE)	1133	const_iv (XA_CREATE)
…		…
962	const_iv (READ_UNCOMMITTED)	1141	const_iv (READ_UNCOMMITTED)
963	const_iv (TRUNCATE)	1142	const_iv (TRUNCATE)
964	const_iv (NOSYNC)	1143	const_iv (NOSYNC)
965	const_iv (CHKSUM)	1144	const_iv (CHKSUM)
966	const_iv (ENCRYPT)	1145	const_iv (ENCRYPT)
967	const_iv (TXN_NOT_DURABLE)
968	const_iv (DUP)	1146	const_iv (DUP)
969	const_iv (DUPSORT)	1147	const_iv (DUPSORT)
970	const_iv (RECNUM)	1148	const_iv (RECNUM)
971	const_iv (RENUMBER)	1149	const_iv (RENUMBER)
972	const_iv (REVSPLITOFF)	1150	const_iv (REVSPLITOFF)
…		…
977	const_iv (GET_BOTH_RANGE)	1155	const_iv (GET_BOTH_RANGE)
978	//const_iv (SET_RECNO)	1156	//const_iv (SET_RECNO)
979	//const_iv (MULTIPLE)	1157	//const_iv (MULTIPLE)
980	const_iv (SNAPSHOT)	1158	const_iv (SNAPSHOT)
981	const_iv (JOIN_ITEM)	1159	const_iv (JOIN_ITEM)
		1160	const_iv (JOIN_NOSORT)
982	const_iv (RMW)	1161	const_iv (RMW)
983		1162
984	const_iv (NOTFOUND)	1163	const_iv (NOTFOUND)
985	const_iv (KEYEMPTY)	1164	const_iv (KEYEMPTY)
986	const_iv (LOCK_DEADLOCK)	1165	const_iv (LOCK_DEADLOCK)
…		…
997	const_iv (APPEND)	1176	const_iv (APPEND)
998	const_iv (NODUPDATA)	1177	const_iv (NODUPDATA)
999	const_iv (NOOVERWRITE)	1178	const_iv (NOOVERWRITE)
1000		1179
1001	const_iv (TXN_NOWAIT)	1180	const_iv (TXN_NOWAIT)
1002	const_iv (TXN_SNAPSHOT)
1003	const_iv (TXN_SYNC)	1181	const_iv (TXN_SYNC)
1004		1182
1005	const_iv (SET_LOCK_TIMEOUT)	1183	const_iv (SET_LOCK_TIMEOUT)
1006	const_iv (SET_TXN_TIMEOUT)	1184	const_iv (SET_TXN_TIMEOUT)
1007		1185
1008	const_iv (JOIN_ITEM)
1009	const_iv (FIRST)	1186	const_iv (FIRST)
1010	const_iv (NEXT)	1187	const_iv (NEXT)
1011	const_iv (NEXT_DUP)	1188	const_iv (NEXT_DUP)
1012	const_iv (NEXT_NODUP)	1189	const_iv (NEXT_NODUP)
1013	const_iv (PREV)	1190	const_iv (PREV)
…		…
1035	const_iv (LOCK_YOUNGEST)	1212	const_iv (LOCK_YOUNGEST)
1036		1213
1037	const_iv (SEQ_DEC)	1214	const_iv (SEQ_DEC)
1038	const_iv (SEQ_INC)	1215	const_iv (SEQ_INC)
1039	const_iv (SEQ_WRAP)	1216	const_iv (SEQ_WRAP)
		1217
		1218	const_iv (BUFFER_SMALL)
		1219	const_iv (DONOTINDEX)
		1220	const_iv (KEYEMPTY )
		1221	const_iv (KEYEXIST )
		1222	const_iv (LOCK_DEADLOCK)
		1223	const_iv (LOCK_NOTGRANTED)
		1224	const_iv (LOG_BUFFER_FULL)
		1225	const_iv (NOSERVER)
		1226	const_iv (NOSERVER_HOME)
		1227	const_iv (NOSERVER_ID)
		1228	const_iv (NOTFOUND)
		1229	const_iv (PAGE_NOTFOUND)
		1230	const_iv (REP_DUPMASTER)
		1231	const_iv (REP_HANDLE_DEAD)
		1232	const_iv (REP_HOLDELECTION)
		1233	const_iv (REP_IGNORE)
		1234	const_iv (REP_ISPERM)
		1235	const_iv (REP_JOIN_FAILURE)
		1236	const_iv (REP_LOCKOUT)
		1237	const_iv (REP_NEWMASTER)
		1238	const_iv (REP_NEWSITE)
		1239	const_iv (REP_NOTPERM)
		1240	const_iv (REP_UNAVAIL)
		1241	const_iv (RUNRECOVERY)
		1242	const_iv (SECONDARY_BAD)
		1243	const_iv (VERIFY_BAD)
		1244	const_iv (VERSION_MISMATCH)
		1245
		1246	const_iv (VERB_DEADLOCK)
		1247	const_iv (VERB_RECOVERY)
		1248	const_iv (VERB_REGISTER)
		1249	const_iv (VERB_REPLICATION)
		1250	const_iv (VERB_WAITSFOR)
		1251
		1252	const_iv (VERSION_MAJOR)
		1253	const_iv (VERSION_MINOR)
		1254	const_iv (VERSION_PATCH)
		1255	#if DB_VERSION_MINOR >= 5
		1256	const_iv (MULTIVERSION)
		1257	const_iv (TXN_SNAPSHOT)
		1258	#endif
		1259	#if DB_VERSION_MINOR >= 6
		1260	const_iv (PREV_DUP)
		1261	const_iv (PRIORITY_UNCHANGED)
		1262	const_iv (PRIORITY_VERY_LOW)
		1263	const_iv (PRIORITY_LOW)
		1264	const_iv (PRIORITY_DEFAULT)
		1265	const_iv (PRIORITY_HIGH)
		1266	const_iv (PRIORITY_VERY_HIGH)
		1267	#endif
		1268	#if DB_VERSION_MINOR >= 7
		1269	const_iv (LOG_DIRECT)
		1270	const_iv (LOG_DSYNC)
		1271	const_iv (LOG_AUTO_REMOVE)
		1272	const_iv (LOG_IN_MEMORY)
		1273	const_iv (LOG_ZERO)
		1274	#else
		1275	const_iv (DIRECT_LOG)
		1276	const_iv (DSYNC_LOG)
		1277	const_iv (LOG_AUTOREMOVE)
		1278	const_iv (LOG_INMEMORY)
		1279	#endif
1040	};	1280	};
1041		1281
1042	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )	1282	for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1283	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044		1284
1045	create_pipe ();	1285	{
		1286	/* we currently only allow version, minor-version and patchlevel to go up to 255 */
		1287	char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH };
		1288
		1289	newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3));
		1290	}
		1291
		1292	newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
		1293
		1294	create_respipe ();
		1295
1046	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1296	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1297	patch_errno ();
1047	}	1298	}
1048		1299
1049	void	1300	void
1050	max_poll_reqs (int nreqs)	1301	max_poll_reqs (int nreqs)
1051	PROTOTYPE: $	1302	PROTOTYPE: $
…		…
1170		1421
1171	int	1422	int
1172	nthreads ()	1423	nthreads ()
1173	PROTOTYPE:	1424	PROTOTYPE:
1174	CODE:	1425	CODE:
1175	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1426	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176	RETVAL = started;	1427	RETVAL = started;
1177	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1428	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178	OUTPUT:	1429	OUTPUT:
1179	RETVAL	1430	RETVAL
1180		1431
1181	void	1432	void
1182	set_sync_prepare (SV *cb)	1433	set_sync_prepare (SV *cb)
1183	PROTOTYPE: &	1434	PROTOTYPE: &
1184	CODE:	1435	CODE:
1185	SvREFCNT_dec (prepare_cb);	1436	SvREFCNT_dec (prepare_cb);
1186	prepare_cb = newSVsv (cb);	1437	prepare_cb = newSVsv (cb);
1187		1438
		1439	char *
		1440	strerror (int errorno = errno)
		1441	PROTOTYPE: ;$
		1442	CODE:
		1443	RETVAL = db_strerror (errorno);
		1444	OUTPUT:
		1445	RETVAL
		1446
		1447	void _on_next_submit (SV *cb)
		1448	CODE:
		1449	SvREFCNT_dec (on_next_submit);
		1450	on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1188		1451
1189	DB_ENV *	1452	DB_ENV *
1190	db_env_create (U32 env_flags = 0)	1453	db_env_create (U32 env_flags = 0)
1191	CODE:	1454	CODE:
1192	{	1455	{
1193	errno = db_env_create (&RETVAL, env_flags);	1456	errno = db_env_create (&RETVAL, env_flags);
1194	if (errno)	1457	if (errno)
1195	croak ("db_env_create: %s", db_strerror (errno));	1458	croak ("db_env_create: %s", db_strerror (errno));
		1459
		1460	if (0)
		1461	{
		1462	RETVAL->set_errcall (RETVAL, debug_errcall);
		1463	RETVAL->set_msgcall (RETVAL, debug_msgcall);
		1464	}
1196	}	1465	}
1197	OUTPUT:	1466	OUTPUT:
1198	RETVAL	1467	RETVAL
1199		1468
1200	void	1469	void
1201	db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)	1470	db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0)
		1471	PREINIT:
		1472	CALLBACK
1202	CODE:	1473	CODE:
1203	{	1474	{
1204	env->set_thread_count (env, get_nthreads ());
1205
1206	dREQ (REQ_ENV_OPEN);	1475	dREQ (REQ_ENV_OPEN);
1207	req->env = env;	1476	req->env = env;
1208	req->uint1 = open_flags | DB_THREAD;	1477	req->uint1 = open_flags | DB_THREAD;
1209	req->int1 = mode;	1478	req->int1 = mode;
1210	req->buf1 = strdup_ornull (db_home);	1479	req->buf1 = strdup_ornull (db_home);
1211	REQ_SEND;	1480	REQ_SEND;
1212	}	1481	}
1213		1482
1214	void	1483	void
1215	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)	1484	db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0)
		1485	PREINIT:
		1486	CALLBACK
1216	CODE:	1487	CODE:
1217	{	1488	{
1218	dREQ (REQ_ENV_CLOSE);	1489	dREQ (REQ_ENV_CLOSE);
1219	req->env = env;	1490	req->env = env;
1220	req->uint1 = flags;	1491	req->uint1 = flags;
1221	REQ_SEND;	1492	REQ_SEND;
1222	ptr_nuke (ST (0));	1493	ptr_nuke (ST (0));
1223	}	1494	}
1224		1495
1225	void	1496	void
1226	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1497	db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0)
		1498	PREINIT:
		1499	CALLBACK
1227	CODE:	1500	CODE:
1228	{	1501	{
1229	dREQ (REQ_ENV_TXN_CHECKPOINT);	1502	dREQ (REQ_ENV_TXN_CHECKPOINT);
1230	req->env = env;	1503	req->env = env;
1231	req->uint1 = kbyte;	1504	req->uint1 = kbyte;
…		…
1233	req->uint2 = flags;	1506	req->uint2 = flags;
1234	REQ_SEND;	1507	REQ_SEND;
1235	}	1508	}
1236		1509
1237	void	1510	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)	1511	db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0)
		1512	PREINIT:
		1513	CALLBACK
1239	CODE:	1514	CODE:
1240	{	1515	{
1241	dREQ (REQ_ENV_LOCK_DETECT);	1516	dREQ (REQ_ENV_LOCK_DETECT);
1242	req->env = env;	1517	req->env = env;
1243	req->uint1 = flags;	1518	req->uint1 = flags;
1244	req->uint2 = atype;	1519	req->uint2 = atype;
		1520	/* req->int2 = 0; dummy */
1245	REQ_SEND;	1521	REQ_SEND;
1246	}	1522	}
1247		1523
1248	void	1524	void
1249	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)	1525	db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0)
		1526	PREINIT:
		1527	CALLBACK
1250	CODE:	1528	CODE:
1251	{	1529	{
1252	dREQ (REQ_ENV_MEMP_SYNC);	1530	dREQ (REQ_ENV_MEMP_SYNC);
1253	req->env = env;	1531	req->env = env;
1254	REQ_SEND;	1532	REQ_SEND;
1255	}	1533	}
1256		1534
1257	void	1535	void
1258	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)	1536	db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
1259	CODE:	1539	CODE:
1260	{	1540	{
1261	dREQ (REQ_ENV_MEMP_TRICKLE);	1541	dREQ (REQ_ENV_MEMP_TRICKLE);
1262	req->env = env;	1542	req->env = env;
1263	req->int1 = percent;	1543	req->int1 = percent;
1264	REQ_SEND;	1544	REQ_SEND;
1265	}	1545	}
1266		1546
		1547	void
		1548	db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0)
		1549	PREINIT:
		1550	CALLBACK
		1551	CODE:
		1552	{
		1553	dREQ (REQ_ENV_DBREMOVE);
		1554	req->env = env;
		1555	req->buf1 = strdup_ornull (file);
		1556	req->buf2 = strdup_ornull (database);
		1557	req->uint1 = flags;
		1558	REQ_SEND;
		1559	}
		1560
		1561	void
		1562	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)
		1563	PREINIT:
		1564	CALLBACK
		1565	CODE:
		1566	{
		1567	dREQ (REQ_ENV_DBRENAME);
		1568	req->env = env;
		1569	req->buf1 = strdup_ornull (file);
		1570	req->buf2 = strdup_ornull (database);
		1571	req->buf3 = strdup_ornull (newname);
		1572	req->uint1 = flags;
		1573	REQ_SEND;
		1574	}
1267		1575
1268	DB *	1576	DB *
1269	db_create (DB_ENV *env = 0, U32 flags = 0)	1577	db_create (DB_ENV *env = 0, U32 flags = 0)
1270	CODE:	1578	CODE:
1271	{	1579	{
…		…
1278	}	1586	}
1279	OUTPUT:	1587	OUTPUT:
1280	RETVAL	1588	RETVAL
1281		1589
1282	void	1590	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)	1591	db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0)
		1592	PREINIT:
		1593	CALLBACK
1284	CODE:	1594	CODE:
1285	{	1595	{
1286	dREQ (REQ_DB_OPEN);	1596	dREQ (REQ_DB_OPEN);
1287	req->db = db;	1597	req->db = db;
1288	req->txn = txnid;	1598	req->txn = txnid;
…		…
1293	req->int2 = mode;	1603	req->int2 = mode;
1294	REQ_SEND;	1604	REQ_SEND;
1295	}	1605	}
1296		1606
1297	void	1607	void
1298	db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1608	db_close (DB *db, U32 flags = 0, SV *callback = 0)
		1609	PREINIT:
		1610	CALLBACK
1299	CODE:	1611	CODE:
1300	{	1612	{
1301	dREQ (REQ_DB_CLOSE);	1613	dREQ (REQ_DB_CLOSE);
1302	req->db = db;	1614	req->db = db;
1303	req->uint1 = flags;	1615	req->uint1 = flags;
…		…
1305	REQ_SEND;	1617	REQ_SEND;
1306	ptr_nuke (ST (0));	1618	ptr_nuke (ST (0));
1307	}	1619	}
1308		1620
1309	void	1621	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)	1622	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)
		1623	PREINIT:
		1624	CALLBACK
1311	CODE:	1625	CODE:
1312	{	1626	{
1313	dREQ (REQ_DB_COMPACT);	1627	dREQ (REQ_DB_COMPACT);
1314	req->db = db;	1628	req->db = db;
1315	req->txn = txn;	1629	req->txn = txn;
…		…
1318	req->uint1 = flags;	1632	req->uint1 = flags;
1319	REQ_SEND;	1633	REQ_SEND;
1320	}	1634	}
1321		1635
1322	void	1636	void
1323	db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)	1637	db_sync (DB *db, U32 flags = 0, SV *callback = 0)
		1638	PREINIT:
		1639	CALLBACK
1324	CODE:	1640	CODE:
1325	{	1641	{
1326	dREQ (REQ_DB_SYNC);	1642	dREQ (REQ_DB_SYNC);
1327	req->db = db;	1643	req->db = db;
1328	req->uint1 = flags;	1644	req->uint1 = flags;
1329	REQ_SEND;	1645	REQ_SEND;
1330	}	1646	}
1331		1647
1332	void	1648	void
		1649	db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
		1650	PREINIT:
		1651	CALLBACK
		1652	CODE:
		1653	{
		1654	dREQ (REQ_DB_SYNC);
		1655	req->db = db;
		1656	req->buf1 = strdup (file);
		1657	req->uint1 = flags;
		1658	REQ_SEND;
		1659	}
		1660
		1661	void
1333	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)	1662	db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0)
		1663	PREINIT:
		1664	CALLBACK
1334	CODE:	1665	CODE:
1335	{	1666	{
1336	dREQ (REQ_DB_KEY_RANGE);	1667	dREQ (REQ_DB_KEY_RANGE);
1337	req->db = db;	1668	req->db = db;
1338	req->txn = txn;	1669	req->txn = txn;
…		…
1341	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);	1672	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1342	REQ_SEND;	1673	REQ_SEND;
1343	}	1674	}
1344		1675
1345	void	1676	void
1346	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1677	db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1678	PREINIT:
		1679	CALLBACK
1347	CODE:	1680	CODE:
1348	{	1681	{
1349	dREQ (REQ_DB_PUT);	1682	dREQ (REQ_DB_PUT);
1350	req->db = db;	1683	req->db = db;
1351	req->txn = txn;	1684	req->txn = txn;
…		…
1354	req->uint1 = flags;	1687	req->uint1 = flags;
1355	REQ_SEND;	1688	REQ_SEND;
1356	}	1689	}
1357		1690
1358	void	1691	void
1359	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1692	db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1693	PREINIT:
		1694	CALLBACK
1360	CODE:	1695	CODE:
		1696	if (SvREADONLY (data))
		1697	croak ("can't modify read-only data scalar in db_get");
1361	{	1698	{
1362	dREQ (REQ_DB_GET);	1699	dREQ (REQ_DB_GET);
1363	req->db = db;	1700	req->db = db;
1364	req->txn = txn;	1701	req->txn = txn;
1365	req->uint1 = flags;	1702	req->uint1 = flags;
…		…
1368	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1705	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1369	REQ_SEND;	1706	REQ_SEND;
1370	}	1707	}
1371		1708
1372	void	1709	void
1373	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1710	db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1711	PREINIT:
		1712	CALLBACK
1374	CODE:	1713	CODE:
		1714	if (SvREADONLY (data))
		1715	croak ("can't modify read-only data scalar in db_pget");
1375	{	1716	{
1376	dREQ (REQ_DB_PGET);	1717	dREQ (REQ_DB_PGET);
1377	req->db = db;	1718	req->db = db;
1378	req->txn = txn;	1719	req->txn = txn;
1379	req->uint1 = flags;	1720	req->uint1 = flags;
…		…
1383	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1724	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1384	REQ_SEND;	1725	REQ_SEND;
1385	}	1726	}
1386		1727
1387	void	1728	void
1388	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1729	db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0)
		1730	PREINIT:
		1731	CALLBACK
1389	CODE:	1732	CODE:
1390	{	1733	{
1391	dREQ (REQ_DB_DEL);	1734	dREQ (REQ_DB_DEL);
1392	req->db = db;	1735	req->db = db;
1393	req->txn = txn;	1736	req->txn = txn;
…		…
1395	sv_to_dbt (&req->dbt1, key);	1738	sv_to_dbt (&req->dbt1, key);
1396	REQ_SEND;	1739	REQ_SEND;
1397	}	1740	}
1398		1741
1399	void	1742	void
1400	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)	1743	db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1744	PREINIT:
		1745	CALLBACK
1401	CODE:	1746	CODE:
1402	{	1747	{
1403	dREQ (REQ_TXN_COMMIT);	1748	dREQ (REQ_TXN_COMMIT);
1404	req->txn = txn;	1749	req->txn = txn;
1405	req->uint1 = flags;	1750	req->uint1 = flags;
1406	REQ_SEND;	1751	REQ_SEND;
1407	ptr_nuke (ST (0));	1752	ptr_nuke (ST (0));
1408	}	1753	}
1409		1754
1410	void	1755	void
1411	db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)	1756	db_txn_abort (DB_TXN *txn, SV *callback = 0)
		1757	PREINIT:
		1758	CALLBACK
1412	CODE:	1759	CODE:
1413	{	1760	{
1414	dREQ (REQ_TXN_ABORT);	1761	dREQ (REQ_TXN_ABORT);
1415	req->txn = txn;	1762	req->txn = txn;
1416	REQ_SEND;	1763	REQ_SEND;
1417	ptr_nuke (ST (0));	1764	ptr_nuke (ST (0));
1418	}	1765	}
1419		1766
1420	void	1767	void
		1768	db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0)
		1769	PREINIT:
		1770	CALLBACK
		1771	CODE:
		1772	{
		1773	dREQ (REQ_TXN_FINISH);
		1774	req->txn = txn;
		1775	req->uint1 = flags;
		1776	REQ_SEND;
		1777	ptr_nuke (ST (0));
		1778	}
		1779
		1780	void
1421	db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)	1781	db_c_close (DBC *dbc, SV *callback = 0)
		1782	PREINIT:
		1783	CALLBACK
1422	CODE:	1784	CODE:
1423	{	1785	{
1424	dREQ (REQ_C_CLOSE);	1786	dREQ (REQ_C_CLOSE);
1425	req->dbc = dbc;	1787	req->dbc = dbc;
1426	REQ_SEND;	1788	REQ_SEND;
1427	ptr_nuke (ST (0));	1789	ptr_nuke (ST (0));
1428	}	1790	}
1429		1791
1430	void	1792	void
1431	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)	1793	db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0)
		1794	PREINIT:
		1795	CALLBACK
1432	CODE:	1796	CODE:
1433	{	1797	{
1434	dREQ (REQ_C_COUNT);	1798	dREQ (REQ_C_COUNT);
1435	req->dbc = dbc;	1799	req->dbc = dbc;
1436	req->sv1 = SvREFCNT_inc (count);	1800	req->sv1 = SvREFCNT_inc (count);
1437	REQ_SEND;	1801	REQ_SEND;
1438	}	1802	}
1439		1803
1440	void	1804	void
1441	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1805	db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1806	PREINIT:
		1807	CALLBACK
1442	CODE:	1808	CODE:
1443	{	1809	{
1444	dREQ (REQ_C_PUT);	1810	dREQ (REQ_C_PUT);
1445	req->dbc = dbc;	1811	req->dbc = dbc;
1446	sv_to_dbt (&req->dbt1, key);	1812	sv_to_dbt (&req->dbt1, key);
…		…
1448	req->uint1 = flags;	1814	req->uint1 = flags;
1449	REQ_SEND;	1815	REQ_SEND;
1450	}	1816	}
1451		1817
1452	void	1818	void
1453	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1819	db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0)
		1820	PREINIT:
		1821	CALLBACK
1454	CODE:	1822	CODE:
1455	{	1823	{
1456	dREQ (REQ_C_GET);	1824	dREQ (REQ_C_GET);
1457	req->dbc = dbc;	1825	req->dbc = dbc;
1458	req->uint1 = flags;	1826	req->uint1 = flags;
…		…
1473	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1841	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1474	REQ_SEND;	1842	REQ_SEND;
1475	}	1843	}
1476		1844
1477	void	1845	void
1478	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)	1846	db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0)
		1847	PREINIT:
		1848	CALLBACK
1479	CODE:	1849	CODE:
1480	{	1850	{
1481	dREQ (REQ_C_PGET);	1851	dREQ (REQ_C_PGET);
1482	req->dbc = dbc;	1852	req->dbc = dbc;
1483	req->uint1 = flags;	1853	req->uint1 = flags;
…		…
1501	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1871	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1502	REQ_SEND;	1872	REQ_SEND;
1503	}	1873	}
1504		1874
1505	void	1875	void
1506	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)	1876	db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0)
		1877	PREINIT:
		1878	CALLBACK
1507	CODE:	1879	CODE:
1508	{	1880	{
1509	dREQ (REQ_C_DEL);	1881	dREQ (REQ_C_DEL);
1510	req->dbc = dbc;	1882	req->dbc = dbc;
1511	req->uint1 = flags;	1883	req->uint1 = flags;
1512	REQ_SEND;	1884	REQ_SEND;
1513	}	1885	}
1514		1886
1515		1887
1516	void	1888	void
1517	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)	1889	db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0)
		1890	PREINIT:
		1891	CALLBACK
1518	CODE:	1892	CODE:
1519	{	1893	{
1520	dREQ (REQ_SEQ_OPEN);	1894	dREQ (REQ_SEQ_OPEN);
1521	req->seq = seq;	1895	req->seq = seq;
1522	req->txn = txnid;	1896	req->txn = txnid;
…		…
1524	sv_to_dbt (&req->dbt1, key);	1898	sv_to_dbt (&req->dbt1, key);
1525	REQ_SEND;	1899	REQ_SEND;
1526	}	1900	}
1527		1901
1528	void	1902	void
1529	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)	1903	db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0)
		1904	PREINIT:
		1905	CALLBACK
1530	CODE:	1906	CODE:
1531	{	1907	{
1532	dREQ (REQ_SEQ_CLOSE);	1908	dREQ (REQ_SEQ_CLOSE);
1533	req->seq = seq;	1909	req->seq = seq;
1534	req->uint1 = flags;	1910	req->uint1 = flags;
1535	REQ_SEND;	1911	REQ_SEND;
1536	ptr_nuke (ST (0));	1912	ptr_nuke (ST (0));
1537	}	1913	}
1538		1914
1539	void	1915	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)	1916	db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0)
		1917	PREINIT:
		1918	CALLBACK
1541	CODE:	1919	CODE:
1542	{	1920	{
1543	dREQ (REQ_SEQ_GET);	1921	dREQ (REQ_SEQ_GET);
1544	req->seq = seq;	1922	req->seq = seq;
1545	req->txn = txnid;	1923	req->txn = txnid;
…		…
1548	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);	1926	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1549	REQ_SEND;	1927	REQ_SEND;
1550	}	1928	}
1551		1929
1552	void	1930	void
1553	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)	1931	db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0)
		1932	PREINIT:
		1933	CALLBACK
1554	CODE:	1934	CODE:
1555	{	1935	{
1556	dREQ (REQ_SEQ_REMOVE);	1936	dREQ (REQ_SEQ_REMOVE);
1557	req->seq = seq;	1937	req->seq = seq;
1558	req->txn = txnid;	1938	req->txn = txnid;
…		…
1562		1942
1563		1943
1564	MODULE = BDB PACKAGE = BDB::Env	1944	MODULE = BDB PACKAGE = BDB::Env
1565		1945
1566	void	1946	void
1567	DESTROY (DB_ENV_ornull *env)	1947	DESTROY (DB_ENV_ornuked *env)
1568	CODE:	1948	CODE:
1569	if (env)	1949	if (env)
1570	env->close (env, 0);	1950	env->close (env, 0);
1571		1951
1572	int set_data_dir (DB_ENV *env, const char *dir)	1952	int set_data_dir (DB_ENV *env, const char *dir)
…		…
1597	CODE:	1977	CODE:
1598	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1978	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1599	OUTPUT:	1979	OUTPUT:
1600	RETVAL	1980	RETVAL
1601		1981
1602	int set_flags (DB_ENV *env, U32 flags, int onoff)	1982	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1603	CODE:	1983	CODE:
1604	RETVAL = env->set_flags (env, flags, onoff);	1984	RETVAL = env->set_flags (env, flags, onoff);
1605	OUTPUT:	1985	OUTPUT:
1606	RETVAL	1986	RETVAL
1607		1987
		1988	#if DB_VERSION_MINOR >= 7
		1989
		1990	int set_intermediate_dir_mode (DB_ENV *env, const char *mode)
		1991	CODE:
		1992	RETVAL = env->set_intermediate_dir_mode (env, mode);
		1993	OUTPUT:
		1994	RETVAL
		1995
		1996	int log_set_config (DB_ENV *env, U32 flags, int onoff = 1)
		1997	CODE:
		1998	RETVAL = env->log_set_config (env, flags, onoff);
		1999	OUTPUT:
		2000	RETVAL
		2001
		2002	#endif
		2003
		2004
		2005	void set_errfile (DB_ENV *env, FILE *errfile = 0)
		2006	CODE:
		2007	env->set_errfile (env, errfile);
		2008
		2009	void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
		2010	CODE:
		2011	env->set_msgfile (env, msgfile);
		2012
		2013	int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
		2014	CODE:
		2015	RETVAL = env->set_verbose (env, which, onoff);
		2016	OUTPUT:
		2017	RETVAL
		2018
1608	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)	2019	int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609	CODE:	2020	CODE:
1610	RETVAL = env->set_encrypt (env, password, flags);	2021	RETVAL = env->set_encrypt (env, password, flags);
1611	OUTPUT:	2022	OUTPUT:
1612	RETVAL	2023	RETVAL
1613		2024
1614	int set_timeout (DB_ENV *env, NV timeout, U32 flags)	2025	int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1615	CODE:	2026	CODE:
1616	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2027	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1617	OUTPUT:	2028	OUTPUT:
1618	RETVAL	2029	RETVAL
1619		2030
…		…
1667		2078
1668	int set_lg_max (DB_ENV *env, U32 max)	2079	int set_lg_max (DB_ENV *env, U32 max)
1669	CODE:	2080	CODE:
1670	RETVAL = env->set_lg_max (env, max);	2081	RETVAL = env->set_lg_max (env, max);
1671	OUTPUT:	2082	OUTPUT:
		2083	RETVAL
		2084
		2085	int mutex_set_max (DB_ENV *env, U32 max)
		2086	CODE:
		2087	RETVAL = env->mutex_set_max (env, max);
		2088	OUTPUT:
		2089	RETVAL
		2090
		2091	int mutex_set_increment (DB_ENV *env, U32 increment)
		2092	CODE:
		2093	RETVAL = env->mutex_set_increment (env, increment);
		2094	OUTPUT:
		2095	RETVAL
		2096
		2097	int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
		2098	CODE:
		2099	RETVAL = env->mutex_set_tas_spins (env, tas_spins);
		2100	OUTPUT:
		2101	RETVAL
		2102
		2103	int mutex_set_align (DB_ENV *env, U32 align)
		2104	CODE:
		2105	RETVAL = env->mutex_set_align (env, align);
		2106	OUTPUT:
1672	RETVAL	2107	RETVAL
1673		2108
1674	DB_TXN *	2109	DB_TXN *
1675	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)	2110	txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1676	CODE:	2111	CODE:
…		…
1681	RETVAL	2116	RETVAL
1682		2117
1683	MODULE = BDB PACKAGE = BDB::Db	2118	MODULE = BDB PACKAGE = BDB::Db
1684		2119
1685	void	2120	void
1686	DESTROY (DB_ornull *db)	2121	DESTROY (DB_ornuked *db)
1687	CODE:	2122	CODE:
1688	if (db)	2123	if (db)
1689	{	2124	{
1690	SV *env = (SV *)db->app_private;	2125	SV *env = (SV *)db->app_private;
1691	db->close (db, 0);	2126	db->close (db, 0);
…		…
1696	CODE:	2131	CODE:
1697	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2132	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698	OUTPUT:	2133	OUTPUT:
1699	RETVAL	2134	RETVAL
1700		2135
1701	int set_flags (DB *db, U32 flags);	2136	int set_flags (DB *db, U32 flags)
1702	CODE:	2137	CODE:
1703	RETVAL = db->set_flags (db, flags);	2138	RETVAL = db->set_flags (db, flags);
1704	OUTPUT:	2139	OUTPUT:
1705	RETVAL	2140	RETVAL
1706		2141
…		…
1720	CODE:	2155	CODE:
1721	RETVAL = db->set_bt_minkey (db, minkey);	2156	RETVAL = db->set_bt_minkey (db, minkey);
1722	OUTPUT:	2157	OUTPUT:
1723	RETVAL	2158	RETVAL
1724		2159
1725	int set_re_delim(DB *db, int delim);	2160	int set_re_delim (DB *db, int delim)
1726	CODE:	2161	CODE:
1727	RETVAL = db->set_re_delim (db, delim);	2162	RETVAL = db->set_re_delim (db, delim);
1728	OUTPUT:	2163	OUTPUT:
1729	RETVAL	2164	RETVAL
1730		2165
…		…
1786		2221
1787		2222
1788	MODULE = BDB PACKAGE = BDB::Txn	2223	MODULE = BDB PACKAGE = BDB::Txn
1789		2224
1790	void	2225	void
1791	DESTROY (DB_TXN_ornull *txn)	2226	DESTROY (DB_TXN_ornuked *txn)
1792	CODE:	2227	CODE:
1793	if (txn)	2228	if (txn)
1794	txn->abort (txn);	2229	txn->abort (txn);
1795		2230
1796	int set_timeout (DB_TXN *txn, NV timeout, U32 flags)	2231	int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1797	CODE:	2232	CODE:
1798	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2233	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1799	OUTPUT:	2234	OUTPUT:
1800	RETVAL	2235	RETVAL
1801		2236
		2237	int failed (DB_TXN *txn)
		2238	CODE:
		2239	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2240	OUTPUT:
		2241	RETVAL
		2242
1802		2243
1803	MODULE = BDB PACKAGE = BDB::Cursor	2244	MODULE = BDB PACKAGE = BDB::Cursor
1804		2245
1805	void	2246	void
1806	DESTROY (DBC_ornull *dbc)	2247	DESTROY (DBC_ornuked *dbc)
1807	CODE:	2248	CODE:
1808	if (dbc)	2249	if (dbc)
1809	dbc->c_close (dbc);	2250	dbc->c_close (dbc);
1810		2251
		2252	#if DB_VERSION_MINOR >= 6
		2253
		2254	int set_priority (DBC *dbc, int priority)
		2255	CODE:
		2256	dbc->set_priority (dbc, priority);
		2257
		2258	#endif
		2259
1811	MODULE = BDB PACKAGE = BDB::Sequence	2260	MODULE = BDB PACKAGE = BDB::Sequence
1812		2261
1813	void	2262	void
1814	DESTROY (DB_SEQUENCE_ornull *seq)	2263	DESTROY (DB_SEQUENCE_ornuked *seq)
1815	CODE:	2264	CODE:
1816	if (seq)	2265	if (seq)
1817	seq->close (seq, 0);	2266	seq->close (seq, 0);
1818		2267
1819	int initial_value (DB_SEQUENCE *seq, db_seq_t value)	2268	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
…		…
1838	CODE:	2287	CODE:
1839	RETVAL = seq->set_range (seq, min, max);	2288	RETVAL = seq->set_range (seq, min, max);
1840	OUTPUT:	2289	OUTPUT:
1841	RETVAL	2290	RETVAL
1842		2291
		2292

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