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

Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 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		38
33	/* wether word reads are potentially non-atomic.	39	typedef DB_ENV DB_ENV_ornull;
34	* this is conservatice, likely most arches this runs	40	typedef DB_TXN DB_TXN_ornull;
35	* on have atomic word read/writes.	41	typedef DBC DBC_ornull;
36	*/	42	typedef DB DB_ornull;
37	#ifndef WORDACCESS_UNSAFE	43	typedef DB_SEQUENCE DB_SEQUENCE_ornull;
38	# if __i386 \|\| __x86_64	44
39	# define WORDACCESS_UNSAFE 0	45	typedef DB_ENV DB_ENV_ornuked;
40	# else	46	typedef DB_TXN DB_TXN_ornuked;
41	# define WORDACCESS_UNSAFE 1	47	typedef DBC DBC_ornuked;
42	# endif	48	typedef DB DB_ornuked;
		49	typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
		50
		51	typedef SV SV8; /* byte-sv, used for argument-checking */
		52	typedef char *bdb_filename;
		53
		54	static SV *prepare_cb;
		55
		56	#if DB_VERSION_MINOR >= 6
		57	# define c_close close
		58	# define c_count count
		59	# define c_del del
		60	# define c_dup dup
		61	# define c_get get
		62	# define c_pget pget
		63	# define c_put put
43	#endif	64	#endif
44		65
45	typedef DB_ENV DB_ENV_ornull;
46	typedef DB_TXN DB_TXN_ornull;
47	typedef DBC DBC_ornull;
48	typedef DB DB_ornull;
49
50	typedef SV SV8; /* byte-sv, used for argument-checking */
51	typedef char *octetstring;
52
53	static SV *prepare_cb;
54
55	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 *
56	strdup_ornull (const char *s)	109	strdup_ornull (const char *s)
57	{	110	{
58	return s ? strdup (s) : 0;	111	return s ? strdup (s) : 0;
59	}	112	}
60		113
61	static inline void	114	static void
62	sv_to_dbt (DBT dbt, SV sv)	115	sv_to_dbt (DBT dbt, SV sv)
63	{	116	{
64	STRLEN len;	117	STRLEN len;
65	char *data = SvPVbyte (sv, len);	118	char *data = SvPVbyte (sv, len);
66		119
68	memcpy (dbt->data, data, len);	121	memcpy (dbt->data, data, len);
69	dbt->size = len;	122	dbt->size = len;
70	dbt->flags = DB_DBT_REALLOC;	123	dbt->flags = DB_DBT_REALLOC;
71	}	124	}
72		125
73	static inline void	126	static void
74	dbt_to_sv (SV sv, DBT dbt)	127	dbt_to_sv (SV sv, DBT dbt)
75	{	128	{
76	if (sv)	129	if (sv)
77	{	130	{
78	SvREADONLY_off (sv);	131	SvREADONLY_off (sv);
…		…
83	free (dbt->data);	136	free (dbt->data);
84	}	137	}
85		138
86	enum {	139	enum {
87	REQ_QUIT,	140	REQ_QUIT,
88	REQ_ENV_OPEN, REQ_ENV_CLOSE,	141	REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
		142	REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
89	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL,	143	REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
		144	REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
90	REQ_TXN_COMMIT, REQ_TXN_ABORT,	145	REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
91	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,	146	REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
		147	REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
92	};	148	};
93		149
94	typedef struct aio_cb	150	typedef struct bdb_cb
95	{	151	{
96	struct aio_cb *volatile next;	152	struct bdb_cb *volatile next;
97	SV *callback;	153	SV *callback;
98	int type, pri, result;	154	int type, pri, result;
99		155
100	DB_ENV *env;	156	DB_ENV *env;
101	DB *db;	157	DB *db;
…		…
103	DBC *dbc;	159	DBC *dbc;
104		160
105	UV uv1;	161	UV uv1;
106	int int1, int2;	162	int int1, int2;
107	U32 uint1, uint2;	163	U32 uint1, uint2;
108	char buf1, buf2;	164	char buf1, buf2, *buf3;
109	SV sv1, sv2, *sv3;	165	SV sv1, sv2, *sv3;
110		166
111	DBT dbt1, dbt2, dbt3;	167	DBT dbt1, dbt2, dbt3;
112	} aio_cb;	168	DB_KEY_RANGE key_range;
		169	DB_SEQUENCE *seq;
		170	db_seq_t seq_t;
		171	} bdb_cb;
113		172
114	typedef aio_cb *aio_req;	173	typedef bdb_cb *bdb_req;
115		174
116	enum {	175	enum {
117	PRI_MIN = -4,	176	PRI_MIN = -4,
118	PRI_MAX = 4,	177	PRI_MAX = 4,
119		178
…		…
122	NUM_PRI = PRI_MAX + PRI_BIAS + 1,	181	NUM_PRI = PRI_MAX + PRI_BIAS + 1,
123	};	182	};
124		183
125	#define AIO_TICKS ((1000000 + 1023) >> 10)	184	#define AIO_TICKS ((1000000 + 1023) >> 10)
126		185
		186	static SV *on_next_submit;
		187
127	static unsigned int max_poll_time = 0;	188	static unsigned int max_poll_time = 0;
128	static unsigned int max_poll_reqs = 0;	189	static unsigned int max_poll_reqs = 0;
129		190
130	/* calculcate time difference in ~1/AIO_TICKS of a second */	191	/* calculcate time difference in ~1/AIO_TICKS of a second */
131	static int tvdiff (struct timeval tv1, struct timeval tv2)	192	static int tvdiff (struct timeval tv1, struct timeval tv2)
…		…
136		197
137	static int next_pri = DEFAULT_PRI + PRI_BIAS;	198	static int next_pri = DEFAULT_PRI + PRI_BIAS;
138		199
139	static unsigned int started, idle, wanted;	200	static unsigned int started, idle, wanted;
140		201
141	#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
142	# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
143	#else
144	# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
145	#endif
146
147	#define LOCK(mutex) pthread_mutex_lock (&(mutex))
148	#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
149
150	/* worker threads management */	202	/* worker threads management */
151	static pthread_mutex_t wrklock = AIO_MUTEX_INIT;	203	static mutex_t wrklock = X_MUTEX_INIT;
152		204
153	typedef struct worker {	205	typedef struct worker {
154	/* locked by wrklock */	206	/* locked by wrklock */
155	struct worker prev, next;	207	struct worker prev, next;
156		208
157	pthread_t tid;	209	thread_t tid;
158		210
159	/* locked by reslock, reqlock or wrklock */	211	/* locked by reslock, reqlock or wrklock */
160	aio_req req; /* currently processed request */	212	bdb_req req; /* currently processed request */
161	void *dbuf;	213	void *dbuf;
162	DIR *dirp;	214	DIR *dirp;
163	} worker;	215	} worker;
164		216
165	static worker wrk_first = { &wrk_first, &wrk_first, 0 };	217	static worker wrk_first = { &wrk_first, &wrk_first, 0 };
…		…
177	}	229	}
178		230
179	static volatile unsigned int nreqs, nready, npending;	231	static volatile unsigned int nreqs, nready, npending;
180	static volatile unsigned int max_idle = 4;	232	static volatile unsigned int max_idle = 4;
181	static volatile unsigned int max_outstanding = 0xffffffff;	233	static volatile unsigned int max_outstanding = 0xffffffff;
182	static int respipe [2];	234	static int respipe_osf [2], respipe [2] = { -1, -1 };
183		235
184	static pthread_mutex_t reslock = AIO_MUTEX_INIT;	236	static mutex_t reslock = X_MUTEX_INIT;
185	static pthread_mutex_t reqlock = AIO_MUTEX_INIT;	237	static mutex_t reqlock = X_MUTEX_INIT;
186	static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER;	238	static cond_t reqwait = X_COND_INIT;
187		239
188	#if WORDACCESS_UNSAFE	240	#if WORDACCESS_UNSAFE
189		241
190	static unsigned int get_nready ()	242	static unsigned int get_nready (void)
191	{	243	{
192	unsigned int retval;	244	unsigned int retval;
193		245
194	LOCK (reqlock);	246	X_LOCK (reqlock);
195	retval = nready;	247	retval = nready;
196	UNLOCK (reqlock);	248	X_UNLOCK (reqlock);
197		249
198	return retval;	250	return retval;
199	}	251	}
200		252
201	static unsigned int get_npending ()	253	static unsigned int get_npending (void)
202	{	254	{
203	unsigned int retval;	255	unsigned int retval;
204		256
205	LOCK (reslock);	257	X_LOCK (reslock);
206	retval = npending;	258	retval = npending;
207	UNLOCK (reslock);	259	X_UNLOCK (reslock);
208		260
209	return retval;	261	return retval;
210	}	262	}
211		263
212	static unsigned int get_nthreads ()	264	static unsigned int get_nthreads (void)
213	{	265	{
214	unsigned int retval;	266	unsigned int retval;
215		267
216	LOCK (wrklock);	268	X_LOCK (wrklock);
217	retval = started;	269	retval = started;
218	UNLOCK (wrklock);	270	X_UNLOCK (wrklock);
219		271
220	return retval;	272	return retval;
221	}	273	}
222		274
223	#else	275	#else
…		…
232	* a somewhat faster data structure might be nice, but	284	* a somewhat faster data structure might be nice, but
233	* with 8 priorities this actually needs <20 insns	285	* with 8 priorities this actually needs <20 insns
234	* per shift, the most expensive operation.	286	* per shift, the most expensive operation.
235	*/	287	*/
236	typedef struct {	288	typedef struct {
237	aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */	289	bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
238	int size;	290	int size;
239	} reqq;	291	} reqq;
240		292
241	static reqq req_queue;	293	static reqq req_queue;
242	static reqq res_queue;	294	static reqq res_queue;
243		295
244	int reqq_push (reqq *q, aio_req req)	296	int reqq_push (reqq *q, bdb_req req)
245	{	297	{
246	int pri = req->pri;	298	int pri = req->pri;
247	req->next = 0;	299	req->next = 0;
248		300
249	if (q->qe[pri])	301	if (q->qe[pri])
…		…
255	q->qe[pri] = q->qs[pri] = req;	307	q->qe[pri] = q->qs[pri] = req;
256		308
257	return q->size++;	309	return q->size++;
258	}	310	}
259		311
260	aio_req reqq_shift (reqq *q)	312	bdb_req reqq_shift (reqq *q)
261	{	313	{
262	int pri;	314	int pri;
263		315
264	if (!q->size)	316	if (!q->size)
265	return 0;	317	return 0;
266		318
267	--q->size;	319	--q->size;
268		320
269	for (pri = NUM_PRI; pri--; )	321	for (pri = NUM_PRI; pri--; )
270	{	322	{
271	aio_req req = q->qs[pri];	323	bdb_req req = q->qs[pri];
272		324
273	if (req)	325	if (req)
274	{	326	{
275	if (!(q->qs[pri] = req->next))	327	if (!(q->qs[pri] = req->next))
276	q->qe[pri] = 0;	328	q->qe[pri] = 0;
…		…
280	}	332	}
281		333
282	abort ();	334	abort ();
283	}	335	}
284		336
285	static int poll_cb ();	337	static int poll_cb (void);
286	static void req_free (aio_req req);	338	static void req_free (bdb_req req);
287	static void req_cancel (aio_req req);	339	static void req_cancel (bdb_req req);
288		340
289	static int req_invoke (aio_req req)	341	static int req_invoke (bdb_req req)
290	{	342	{
291	dSP;	343	dSP;
292		344
293	if (SvOK (req->callback))	345	if (req->callback)
294	{	346	{
295	ENTER;	347	ENTER;
296	SAVETMPS;	348	SAVETMPS;
297	PUSHMARK (SP);	349	PUSHMARK (SP);
298	EXTEND (SP, 1);
299		350
300	switch (req->type)	351	switch (req->type)
301	{	352	{
302	case REQ_DB_CLOSE:	353	case REQ_DB_CLOSE:
303	SvREFCNT_dec (req->sv1);	354	SvREFCNT_dec (req->sv1);
…		…
312	case REQ_C_PGET:	363	case REQ_C_PGET:
313	dbt_to_sv (req->sv1, &req->dbt1);	364	dbt_to_sv (req->sv1, &req->dbt1);
314	dbt_to_sv (req->sv2, &req->dbt2);	365	dbt_to_sv (req->sv2, &req->dbt2);
315	dbt_to_sv (req->sv3, &req->dbt3);	366	dbt_to_sv (req->sv3, &req->dbt3);
316	break;	367	break;
		368
		369	case REQ_DB_PUT:
		370	case REQ_C_PUT:
		371	dbt_to_sv (0, &req->dbt1);
		372	dbt_to_sv (0, &req->dbt2);
		373	break;
		374
		375	case REQ_DB_KEY_RANGE:
		376	{
		377	AV *av = newAV ();
		378
		379	av_push (av, newSVnv (req->key_range.less));
		380	av_push (av, newSVnv (req->key_range.equal));
		381	av_push (av, newSVnv (req->key_range.greater));
		382
		383	SvREADONLY_off (req->sv1);
		384	sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
		385	SvREFCNT_dec (req->sv1);
		386	}
		387	break;
		388
		389	case REQ_SEQ_GET:
		390	SvREADONLY_off (req->sv1);
		391
		392	if (sizeof (IV) > 4)
		393	sv_setiv_mg (req->sv1, (IV)req->seq_t);
		394	else
		395	sv_setnv_mg (req->sv1, (NV)req->seq_t);
		396
		397	SvREFCNT_dec (req->sv1);
		398	break;
317	}	399	}
318		400
319	errno = req->result;	401	errno = req->result;
320		402
321	PUTBACK;	403	PUTBACK;
…		…
327	}	409	}
328		410
329	return !SvTRUE (ERRSV);	411	return !SvTRUE (ERRSV);
330	}	412	}
331		413
332	static void req_free (aio_req req)	414	static void req_free (bdb_req req)
333	{	415	{
334	free (req->buf1);	416	free (req->buf1);
335	free (req->buf2);	417	free (req->buf2);
		418	free (req->buf3);
336	Safefree (req);	419	Safefree (req);
337	}	420	}
338		421
339	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);
340		470
341	static void start_thread (void)	471	static void start_thread (void)
342	{	472	{
343	sigset_t fullsigset, oldsigset;
344	pthread_attr_t attr;
345
346	worker *wrk = calloc (1, sizeof (worker));	473	worker *wrk = calloc (1, sizeof (worker));
347		474
348	if (!wrk)	475	if (!wrk)
349	croak ("unable to allocate worker thread data");	476	croak ("unable to allocate worker thread data");
350		477
351	pthread_attr_init (&attr);
352	pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
353	#ifdef PTHREAD_SCOPE_PROCESS
354	pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
355	#endif
356
357	sigfillset (&fullsigset);
358
359	LOCK (wrklock);	478	X_LOCK (wrklock);
360	pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
361
362	if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0)	479	if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
363	{	480	{
364	wrk->prev = &wrk_first;	481	wrk->prev = &wrk_first;
365	wrk->next = wrk_first.next;	482	wrk->next = wrk_first.next;
366	wrk_first.next->prev = wrk;	483	wrk_first.next->prev = wrk;
367	wrk_first.next = wrk;	484	wrk_first.next = wrk;
368	++started;	485	++started;
369	}	486	}
370	else	487	else
371	free (wrk);	488	free (wrk);
372		489
373	pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
374	UNLOCK (wrklock);	490	X_UNLOCK (wrklock);
375	}	491	}
376		492
377	static void maybe_start_thread ()	493	static void maybe_start_thread (void)
378	{	494	{
379	if (get_nthreads () >= wanted)	495	if (get_nthreads () >= wanted)
380	return;	496	return;
381		497
382	/* todo: maybe use idle here, but might be less exact */	498	/* todo: maybe use idle here, but might be less exact */
…		…
384	return;	500	return;
385		501
386	start_thread ();	502	start_thread ();
387	}	503	}
388		504
389	static void req_send (aio_req req)	505	static void req_send (bdb_req req)
390	{	506	{
391	SV *wait_callback = 0;	507	SV *wait_callback = 0;
392		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
393	// synthesize callback if none given	521	// synthesize callback if none given
394	if (!SvOK (req->callback))	522	if (!req->callback)
395	{	523	{
		524	int count;
		525
396	dSP;	526	dSP;
397	PUSHMARK (SP);	527	PUSHMARK (SP);
398	PUTBACK;	528	PUTBACK;
399	int count = call_sv (prepare_cb, G_ARRAY);	529	count = call_sv (prepare_cb, G_ARRAY);
400	SPAGAIN;	530	SPAGAIN;
401		531
402	if (count != 2)	532	if (count != 2)
403	croak ("prepare callback must return exactly two values\n");	533	croak ("prepare callback must return exactly two values\n");
404		534
405	wait_callback = SvREFCNT_inc (POPs);	535	wait_callback = POPs;
406	SvREFCNT_dec (req->callback);	536	SvREFCNT_dec (req->callback);
407	req->callback = SvREFCNT_inc (POPs);	537	req->callback = SvREFCNT_inc (POPs);
408	}	538	}
409		539
410	++nreqs;	540	++nreqs;
411		541
412	LOCK (reqlock);	542	X_LOCK (reqlock);
413	++nready;	543	++nready;
414	reqq_push (&req_queue, req);	544	reqq_push (&req_queue, req);
415	pthread_cond_signal (&reqwait);	545	X_COND_SIGNAL (reqwait);
416	UNLOCK (reqlock);	546	X_UNLOCK (reqlock);
417		547
418	maybe_start_thread ();	548	maybe_start_thread ();
419		549
420	if (wait_callback)	550	if (wait_callback)
421	{	551	{
422	dSP;	552	dSP;
423	PUSHMARK (SP);	553	PUSHMARK (SP);
424	PUTBACK;	554	PUTBACK;
425	call_sv (wait_callback, G_DISCARD);	555	call_sv (wait_callback, G_DISCARD);
426	SvREFCNT_dec (wait_callback);
427	}	556	}
428	}	557	}
429		558
430	static void end_thread (void)	559	static void end_thread (void)
431	{	560	{
432	aio_req req;	561	bdb_req req;
433		562
434	Newz (0, req, 1, aio_cb);	563	Newz (0, req, 1, bdb_cb);
435		564
436	req->type = REQ_QUIT;	565	req->type = REQ_QUIT;
437	req->pri = PRI_MAX + PRI_BIAS;	566	req->pri = PRI_MAX + PRI_BIAS;
438		567
439	LOCK (reqlock);	568	X_LOCK (reqlock);
440	reqq_push (&req_queue, req);	569	reqq_push (&req_queue, req);
441	pthread_cond_signal (&reqwait);	570	X_COND_SIGNAL (reqwait);
442	UNLOCK (reqlock);	571	X_UNLOCK (reqlock);
443		572
444	LOCK (wrklock);	573	X_LOCK (wrklock);
445	--started;	574	--started;
446	UNLOCK (wrklock);	575	X_UNLOCK (wrklock);
447	}	576	}
448		577
449	static void set_max_idle (int nthreads)	578	static void set_max_idle (int nthreads)
450	{	579	{
451	if (WORDACCESS_UNSAFE) LOCK (reqlock);	580	if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
452	max_idle = nthreads <= 0 ? 1 : nthreads;	581	max_idle = nthreads <= 0 ? 1 : nthreads;
453	if (WORDACCESS_UNSAFE) UNLOCK (reqlock);	582	if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
454	}	583	}
455		584
456	static void min_parallel (int nthreads)	585	static void min_parallel (int nthreads)
457	{	586	{
458	if (wanted < nthreads)	587	if (wanted < nthreads)
…		…
466		595
467	while (started > wanted)	596	while (started > wanted)
468	end_thread ();	597	end_thread ();
469	}	598	}
470		599
471	static void poll_wait ()	600	static void poll_wait (void)
472	{	601	{
473	fd_set rfd;	602	fd_set rfd;
474		603
475	while (nreqs)	604	while (nreqs)
476	{	605	{
477	int size;	606	int size;
478	if (WORDACCESS_UNSAFE) LOCK (reslock);	607	if (WORDACCESS_UNSAFE) X_LOCK (reslock);
479	size = res_queue.size;	608	size = res_queue.size;
480	if (WORDACCESS_UNSAFE) UNLOCK (reslock);	609	if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
481		610
482	if (size)	611	if (size)
483	return;	612	return;
484		613
485	maybe_start_thread ();	614	maybe_start_thread ();
486		615
487	FD_ZERO(&rfd);	616	FD_ZERO (&rfd);
488	FD_SET(respipe [0], &rfd);	617	FD_SET (respipe [0], &rfd);
489		618
490	select (respipe [0] + 1, &rfd, 0, 0, 0);	619	PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
491	}	620	}
492	}	621	}
493		622
494	static int poll_cb ()	623	static int poll_cb (void)
495	{	624	{
496	dSP;	625	dSP;
497	int count = 0;	626	int count = 0;
498	int maxreqs = max_poll_reqs;	627	int maxreqs = max_poll_reqs;
499	int do_croak = 0;	628	int do_croak = 0;
500	struct timeval tv_start, tv_now;	629	struct timeval tv_start, tv_now;
501	aio_req req;	630	bdb_req req;
502		631
503	if (max_poll_time)	632	if (max_poll_time)
504	gettimeofday (&tv_start, 0);	633	gettimeofday (&tv_start, 0);
505		634
506	for (;;)	635	for (;;)
507	{	636	{
508	for (;;)	637	for (;;)
509	{	638	{
510	maybe_start_thread ();	639	maybe_start_thread ();
511		640
512	LOCK (reslock);	641	X_LOCK (reslock);
513	req = reqq_shift (&res_queue);	642	req = reqq_shift (&res_queue);
514		643
515	if (req)	644	if (req)
516	{	645	{
517	--npending;	646	--npending;
518		647
519	if (!res_queue.size)	648	if (!res_queue.size)
520	{	649	{
521	/* read any signals sent by the worker threads */	650	/* read any signals sent by the worker threads */
522	char buf [4];	651	char buf [4];
523	while (read (respipe [0], buf, 4) == 4)	652	while (respipe_read (respipe [0], buf, 4) == 4)
524	;	653	;
525	}	654	}
526	}	655	}
527		656
528	UNLOCK (reslock);	657	X_UNLOCK (reslock);
529		658
530	if (!req)	659	if (!req)
531	break;	660	break;
532		661
533	--nreqs;	662	--nreqs;
…		…
563	}	692	}
564		693
565	return count;	694	return count;
566	}	695	}
567		696
568	static void create_pipe ()
569	{
570	if (pipe (respipe))
571	croak ("unable to initialize result pipe");
572
573	if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
574	croak ("cannot set result pipe to nonblocking mode");
575
576	if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
577	croak ("cannot set result pipe to nonblocking mode");
578	}
579
580	/*****************************************************************************/	697	/*****************************************************************************/
581		698
582	static void aio_proc (void thr_arg)	699	X_THREAD_PROC (bdb_proc)
583	{	700	{
584	aio_req req;	701	bdb_req req;
585	struct timespec ts;	702	struct timespec ts;
586	worker self = (worker )thr_arg;	703	worker self = (worker )thr_arg;
587		704
588	/* try to distribute timeouts somewhat evenly */	705	/* try to distribute timeouts somewhat evenly */
589	ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL)	706	ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
590	* (1000000000UL / 1024UL);
591		707
592	for (;;)	708	for (;;)
593	{	709	{
594	ts.tv_sec = time (0) + IDLE_TIMEOUT;	710	ts.tv_sec = time (0) + IDLE_TIMEOUT;
595		711
596	LOCK (reqlock);	712	X_LOCK (reqlock);
597		713
598	for (;;)	714	for (;;)
599	{	715	{
600	self->req = req = reqq_shift (&req_queue);	716	self->req = req = reqq_shift (&req_queue);
601		717
602	if (req)	718	if (req)
603	break;	719	break;
604		720
605	++idle;	721	++idle;
606		722
607	if (pthread_cond_timedwait (&reqwait, &reqlock, &ts)	723	if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
608	== ETIMEDOUT)	724	== ETIMEDOUT)
609	{	725	{
610	if (idle > max_idle)	726	if (idle > max_idle)
611	{	727	{
612	--idle;	728	--idle;
613	UNLOCK (reqlock);	729	X_UNLOCK (reqlock);
614	LOCK (wrklock);	730	X_LOCK (wrklock);
615	--started;	731	--started;
616	UNLOCK (wrklock);	732	X_UNLOCK (wrklock);
617	goto quit;	733	goto quit;
618	}	734	}
619		735
620	/* we are allowed to idle, so do so without any timeout */	736	/* we are allowed to idle, so do so without any timeout */
621	pthread_cond_wait (&reqwait, &reqlock);	737	X_COND_WAIT (reqwait, reqlock);
622	ts.tv_sec = time (0) + IDLE_TIMEOUT;	738	ts.tv_sec = time (0) + IDLE_TIMEOUT;
623	}	739	}
624		740
625	--idle;	741	--idle;
626	}	742	}
627		743
628	--nready;	744	--nready;
629		745
630	UNLOCK (reqlock);	746	X_UNLOCK (reqlock);
631		747
632	switch (req->type)	748	switch (req->type)
633	{	749	{
634	case REQ_QUIT:	750	case REQ_QUIT:
		751	req->result = ENOSYS;
635	goto quit;	752	goto quit;
636		753
637	case REQ_ENV_OPEN:	754	case REQ_ENV_OPEN:
638	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);
639	break;	756	break;
640		757
641	case REQ_ENV_CLOSE:	758	case REQ_ENV_CLOSE:
642	req->result = req->env->close (req->env, req->uint1);	759	req->result = req->env->close (req->env, req->uint1);
643	break;	760	break;
644		761
		762	case REQ_ENV_TXN_CHECKPOINT:
		763	req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
		764	break;
		765
		766	case REQ_ENV_LOCK_DETECT:
		767	req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
		768	break;
		769
		770	case REQ_ENV_MEMP_SYNC:
		771	req->result = req->env->memp_sync (req->env, 0);
		772	break;
		773
		774	case REQ_ENV_MEMP_TRICKLE:
		775	req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
		776	break;
		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
645	case REQ_DB_OPEN:	786	case REQ_DB_OPEN:
646	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);
647	break;	788	break;
648		789
649	case REQ_DB_CLOSE:	790	case REQ_DB_CLOSE:
…		…
656		797
657	case REQ_DB_SYNC:	798	case REQ_DB_SYNC:
658	req->result = req->db->sync (req->db, req->uint1);	799	req->result = req->db->sync (req->db, req->uint1);
659	break;	800	break;
660		801
		802	case REQ_DB_UPGRADE:
		803	req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
		804	break;
		805
661	case REQ_DB_PUT:	806	case REQ_DB_PUT:
662	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);
663	break;	808	break;
664		809
665	case REQ_DB_GET:	810	case REQ_DB_GET:
…		…
672		817
673	case REQ_DB_DEL:	818	case REQ_DB_DEL:
674	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);	819	req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
675	break;	820	break;
676		821
		822	case REQ_DB_KEY_RANGE:
		823	req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
		824	break;
		825
677	case REQ_TXN_COMMIT:	826	case REQ_TXN_COMMIT:
678	req->result = req->txn->commit (req->txn, req->uint1);	827	req->result = req->txn->commit (req->txn, req->uint1);
679	break;	828	break;
680		829
681	case REQ_TXN_ABORT:	830	case REQ_TXN_ABORT:
682	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);
683	break;	843	break;
684		844
685	case REQ_C_CLOSE:	845	case REQ_C_CLOSE:
686	req->result = req->dbc->c_close (req->dbc);	846	req->result = req->dbc->c_close (req->dbc);
687	break;	847	break;
…		…
708		868
709	case REQ_C_DEL:	869	case REQ_C_DEL:
710	req->result = req->dbc->c_del (req->dbc, req->uint1);	870	req->result = req->dbc->c_del (req->dbc, req->uint1);
711	break;	871	break;
712		872
		873	case REQ_SEQ_OPEN:
		874	req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
		875	break;
		876
		877	case REQ_SEQ_CLOSE:
		878	req->result = req->seq->close (req->seq, req->uint1);
		879	break;
		880
		881	case REQ_SEQ_GET:
		882	req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
		883	break;
		884
		885	case REQ_SEQ_REMOVE:
		886	req->result = req->seq->remove (req->seq, req->txn, req->uint1);
		887	break;
		888
713	default:	889	default:
714	req->result = ENOSYS;	890	req->result = ENOSYS;
715	break;	891	break;
716	}	892	}
717		893
		894	if (req->txn && (req->result > 0 \|\| req->result == DB_LOCK_NOTGRANTED))
		895	req->txn->flags \|= TXN_DEADLOCK;
		896
718	LOCK (reslock);	897	X_LOCK (reslock);
719		898
720	++npending;	899	++npending;
721		900
722	if (!reqq_push (&res_queue, req))	901	if (!reqq_push (&res_queue, req))
723	/* write a dummy byte to the pipe so fh becomes ready */	902	/* write a dummy byte to the pipe so fh becomes ready */
724	write (respipe [1], &respipe, 1);	903	respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
725		904
726	self->req = 0;	905	self->req = 0;
727	worker_clear (self);	906	worker_clear (self);
728		907
729	UNLOCK (reslock);	908	X_UNLOCK (reslock);
730	}	909	}
731		910
732	quit:	911	quit:
733	LOCK (wrklock);	912	X_LOCK (wrklock);
734	worker_free (self);	913	worker_free (self);
735	UNLOCK (wrklock);	914	X_UNLOCK (wrklock);
736		915
737	return 0;	916	return 0;
738	}	917	}
739		918
740	/*****************************************************************************/	919	/*****************************************************************************/
741		920
742	static void atfork_prepare (void)	921	static void atfork_prepare (void)
743	{	922	{
744	LOCK (wrklock);	923	X_LOCK (wrklock);
745	LOCK (reqlock);	924	X_LOCK (reqlock);
746	LOCK (reslock);	925	X_LOCK (reslock);
747	}	926	}
748		927
749	static void atfork_parent (void)	928	static void atfork_parent (void)
750	{	929	{
751	UNLOCK (reslock);	930	X_UNLOCK (reslock);
752	UNLOCK (reqlock);	931	X_UNLOCK (reqlock);
753	UNLOCK (wrklock);	932	X_UNLOCK (wrklock);
754	}	933	}
755		934
756	static void atfork_child (void)	935	static void atfork_child (void)
757	{	936	{
758	aio_req prv;	937	bdb_req prv;
759		938
760	while (prv = reqq_shift (&req_queue))	939	while (prv = reqq_shift (&req_queue))
761	req_free (prv);	940	req_free (prv);
762		941
763	while (prv = reqq_shift (&res_queue))	942	while (prv = reqq_shift (&res_queue))
…		…
778	idle = 0;	957	idle = 0;
779	nreqs = 0;	958	nreqs = 0;
780	nready = 0;	959	nready = 0;
781	npending = 0;	960	npending = 0;
782		961
783	close (respipe [0]);
784	close (respipe [1]);
785	create_pipe ();	962	create_respipe ();
786		963
787	atfork_parent ();	964	atfork_parent ();
788	}	965	}
789		966
790	#define dREQ(reqtype) \	967	#define dREQ(reqtype) \
791	aio_req req; \	968	bdb_req req; \
792	int req_pri = next_pri; \	969	int req_pri = next_pri; \
793	next_pri = DEFAULT_PRI + PRI_BIAS; \	970	next_pri = DEFAULT_PRI + PRI_BIAS; \
794	\	971	\
795	if (SvOK (callback) && !SvROK (callback)) \	972	if (callback && SvOK (callback)) \
796	croak ("callback must be undef or of reference type"); \	973	croak ("callback has illegal type or extra arguments"); \
797	\	974	\
798	Newz (0, req, 1, aio_cb); \	975	Newz (0, req, 1, bdb_cb); \
799	if (!req) \	976	if (!req) \
800	croak ("out of memory during aio_req allocation"); \	977	croak ("out of memory during bdb_req allocation"); \
801	\	978	\
802	req->callback = newSVsv (callback); \	979	req->callback = cb ? SvREFCNT_inc (cb) : 0; \
803	req->type = (reqtype); \	980	req->type = (reqtype); \
804	req->pri = req_pri	981	req->pri = req_pri
805		982
806	#define REQ_SEND \	983	#define REQ_SEND \
807	req_send (req)	984	req_send (req)
808		985
809	#define SvPTR(var, arg, type, class, nullok) \	986	#define SvPTR(var, arg, type, class, nullok) \
810	if (!SvOK (arg)) \	987	if (!SvOK (arg)) \
811	{ \	988	{ \
812	if (!nullok) \	989	if (nullok != 1) \
813	Perl_croak (# var " must be a " # class " object, not undef"); \	990	croak (# var " must be a " # class " object, not undef"); \
814	\	991	\
815	(var) = 0; \	992	(var) = 0; \
816	} \	993	} \
817	else if (sv_derived_from ((arg), # class)) \	994	else if (sv_derived_from ((arg), # class)) \
818	{ \	995	{ \
819	IV tmp = SvIV ((SV*) SvRV (arg)); \	996	IV tmp = SvIV ((SV*) SvRV (arg)); \
820	(var) = INT2PTR (type, tmp); \	997	(var) = INT2PTR (type, tmp); \
821	if (!var) \	998	if (!var && nullok != 2) \
822	Perl_croak (# var " is not a valid " # class " object anymore"); \	999	croak (# var " is not a valid " # class " object anymore"); \
823	} \	1000	} \
824	else \	1001	else \
825	Perl_croak (# var " is not of type " # class); \	1002	croak (# var " is not of type " # class);
826	\
827		1003
828	static void	1004	static void
829	ptr_nuke (SV *sv)	1005	ptr_nuke (SV *sv)
830	{	1006	{
831	assert (SvROK (sv));	1007	assert (SvROK (sv));
832	sv_setiv (SvRV (sv), 0);	1008	sv_setiv (SvRV (sv), 0);
833	}	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));
834		1084
835	MODULE = BDB PACKAGE = BDB	1085	MODULE = BDB PACKAGE = BDB
836		1086
837	PROTOTYPES: ENABLE	1087	PROTOTYPES: ENABLE
838		1088
…		…
854	const_iv (INIT_TXN)	1104	const_iv (INIT_TXN)
855	const_iv (RECOVER)	1105	const_iv (RECOVER)
856	const_iv (INIT_TXN)	1106	const_iv (INIT_TXN)
857	const_iv (RECOVER_FATAL)	1107	const_iv (RECOVER_FATAL)
858	const_iv (CREATE)	1108	const_iv (CREATE)
		1109	const_iv (RDONLY)
859	const_iv (USE_ENVIRON)	1110	const_iv (USE_ENVIRON)
860	const_iv (USE_ENVIRON_ROOT)	1111	const_iv (USE_ENVIRON_ROOT)
861	const_iv (LOCKDOWN)	1112	const_iv (LOCKDOWN)
862	const_iv (PRIVATE)	1113	const_iv (PRIVATE)
863	const_iv (REGISTER)	1114	const_iv (REGISTER)
864	const_iv (SYSTEM_MEM)	1115	const_iv (SYSTEM_MEM)
865	const_iv (AUTO_COMMIT)	1116	const_iv (AUTO_COMMIT)
866	const_iv (CDB_ALLDB)	1117	const_iv (CDB_ALLDB)
867	const_iv (DIRECT_DB)	1118	const_iv (DIRECT_DB)
868	const_iv (DIRECT_LOG)
869	const_iv (DSYNC_DB)	1119	const_iv (DSYNC_DB)
870	const_iv (DSYNC_LOG)
871	const_iv (LOG_AUTOREMOVE)
872	const_iv (LOG_INMEMORY)
873	const_iv (NOLOCKING)	1120	const_iv (NOLOCKING)
874	const_iv (MULTIVERSION)
875	const_iv (NOMMAP)	1121	const_iv (NOMMAP)
876	const_iv (NOPANIC)	1122	const_iv (NOPANIC)
877	const_iv (OVERWRITE)	1123	const_iv (OVERWRITE)
878	const_iv (PANIC_ENVIRONMENT)	1124	const_iv (PANIC_ENVIRONMENT)
879	const_iv (REGION_INIT)	1125	const_iv (REGION_INIT)
880	const_iv (TIME_NOTGRANTED)	1126	const_iv (TIME_NOTGRANTED)
881	const_iv (TXN_NOSYNC)	1127	const_iv (TXN_NOSYNC)
882	const_iv (TXN_SNAPSHOT)	1128	const_iv (TXN_NOT_DURABLE)
883	const_iv (TXN_WRITE_NOSYNC)	1129	const_iv (TXN_WRITE_NOSYNC)
884	const_iv (WRITECURSOR)	1130	const_iv (WRITECURSOR)
885	const_iv (YIELDCPU)	1131	const_iv (YIELDCPU)
886	const_iv (ENCRYPT_AES)	1132	const_iv (ENCRYPT_AES)
887	const_iv (XA_CREATE)	1133	const_iv (XA_CREATE)
…		…
895	const_iv (READ_UNCOMMITTED)	1141	const_iv (READ_UNCOMMITTED)
896	const_iv (TRUNCATE)	1142	const_iv (TRUNCATE)
897	const_iv (NOSYNC)	1143	const_iv (NOSYNC)
898	const_iv (CHKSUM)	1144	const_iv (CHKSUM)
899	const_iv (ENCRYPT)	1145	const_iv (ENCRYPT)
900	const_iv (TXN_NOT_DURABLE)
901	const_iv (DUP)	1146	const_iv (DUP)
902	const_iv (DUPSORT)	1147	const_iv (DUPSORT)
903	const_iv (RECNUM)	1148	const_iv (RECNUM)
904	const_iv (RENUMBER)	1149	const_iv (RENUMBER)
905	const_iv (REVSPLITOFF)	1150	const_iv (REVSPLITOFF)
…		…
910	const_iv (GET_BOTH_RANGE)	1155	const_iv (GET_BOTH_RANGE)
911	//const_iv (SET_RECNO)	1156	//const_iv (SET_RECNO)
912	//const_iv (MULTIPLE)	1157	//const_iv (MULTIPLE)
913	const_iv (SNAPSHOT)	1158	const_iv (SNAPSHOT)
914	const_iv (JOIN_ITEM)	1159	const_iv (JOIN_ITEM)
		1160	const_iv (JOIN_NOSORT)
915	const_iv (RMW)	1161	const_iv (RMW)
916		1162
917	const_iv (NOTFOUND)	1163	const_iv (NOTFOUND)
918	const_iv (KEYEMPTY)	1164	const_iv (KEYEMPTY)
919	const_iv (LOCK_DEADLOCK)	1165	const_iv (LOCK_DEADLOCK)
…		…
930	const_iv (APPEND)	1176	const_iv (APPEND)
931	const_iv (NODUPDATA)	1177	const_iv (NODUPDATA)
932	const_iv (NOOVERWRITE)	1178	const_iv (NOOVERWRITE)
933		1179
934	const_iv (TXN_NOWAIT)	1180	const_iv (TXN_NOWAIT)
935	const_iv (TXN_SNAPSHOT)
936	const_iv (TXN_SYNC)	1181	const_iv (TXN_SYNC)
937		1182
938	const_iv (SET_LOCK_TIMEOUT)	1183	const_iv (SET_LOCK_TIMEOUT)
939	const_iv (SET_TXN_TIMEOUT)	1184	const_iv (SET_TXN_TIMEOUT)
940		1185
941	const_iv (JOIN_ITEM)
942	const_iv (FIRST)	1186	const_iv (FIRST)
943	const_iv (NEXT)	1187	const_iv (NEXT)
944	const_iv (NEXT_DUP)	1188	const_iv (NEXT_DUP)
945	const_iv (NEXT_NODUP)	1189	const_iv (NEXT_NODUP)
946	const_iv (PREV)	1190	const_iv (PREV)
…		…
952	const_iv (AFTER)	1196	const_iv (AFTER)
953	const_iv (CURRENT)	1197	const_iv (CURRENT)
954	const_iv (KEYFIRST)	1198	const_iv (KEYFIRST)
955	const_iv (KEYLAST)	1199	const_iv (KEYLAST)
956	const_iv (NODUPDATA)	1200	const_iv (NODUPDATA)
		1201
		1202	const_iv (FORCE)
		1203
		1204	const_iv (LOCK_DEFAULT)
		1205	const_iv (LOCK_EXPIRE)
		1206	const_iv (LOCK_MAXLOCKS)
		1207	const_iv (LOCK_MAXWRITE)
		1208	const_iv (LOCK_MINLOCKS)
		1209	const_iv (LOCK_MINWRITE)
		1210	const_iv (LOCK_OLDEST)
		1211	const_iv (LOCK_RANDOM)
		1212	const_iv (LOCK_YOUNGEST)
		1213
		1214	const_iv (SEQ_DEC)
		1215	const_iv (SEQ_INC)
		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
957	};	1280	};
958		1281
959	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; )
960	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));	1283	newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
961		1284
962	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
963	pthread_atfork (atfork_prepare, atfork_parent, atfork_child);	1296	X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
		1297	patch_errno ();
964	}	1298	}
965		1299
966	void	1300	void
967	max_poll_reqs (int nreqs)	1301	max_poll_reqs (int nreqs)
968	PROTOTYPE: $	1302	PROTOTYPE: $
…		…
1087		1421
1088	int	1422	int
1089	nthreads ()	1423	nthreads ()
1090	PROTOTYPE:	1424	PROTOTYPE:
1091	CODE:	1425	CODE:
1092	if (WORDACCESS_UNSAFE) LOCK (wrklock);	1426	if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1093	RETVAL = started;	1427	RETVAL = started;
1094	if (WORDACCESS_UNSAFE) UNLOCK (wrklock);	1428	if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1095	OUTPUT:	1429	OUTPUT:
1096	RETVAL	1430	RETVAL
1097		1431
1098	void	1432	void
1099	set_sync_prepare (SV *cb)	1433	set_sync_prepare (SV *cb)
1100	PROTOTYPE: &	1434	PROTOTYPE: &
1101	CODE:	1435	CODE:
1102	SvREFCNT_dec (prepare_cb);	1436	SvREFCNT_dec (prepare_cb);
1103	prepare_cb = newSVsv (cb);	1437	prepare_cb = newSVsv (cb);
		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;
1104		1451
1105	DB_ENV *	1452	DB_ENV *
1106	db_env_create (U32 env_flags = 0)	1453	db_env_create (U32 env_flags = 0)
1107	CODE:	1454	CODE:
1108	{	1455	{
1109	errno = db_env_create (&RETVAL, env_flags);	1456	errno = db_env_create (&RETVAL, env_flags);
1110	if (errno)	1457	if (errno)
1111	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	}
1112	}	1465	}
1113	OUTPUT:	1466	OUTPUT:
1114	RETVAL	1467	RETVAL
1115		1468
1116	void	1469	void
1117	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
1118	CODE:	1473	CODE:
1119	{	1474	{
1120	dREQ (REQ_ENV_OPEN);	1475	dREQ (REQ_ENV_OPEN);
1121	req->env = env;	1476	req->env = env;
1122	req->uint1 = open_flags \| DB_THREAD;	1477	req->uint1 = open_flags \| DB_THREAD;
…		…
1124	req->buf1 = strdup_ornull (db_home);	1479	req->buf1 = strdup_ornull (db_home);
1125	REQ_SEND;	1480	REQ_SEND;
1126	}	1481	}
1127		1482
1128	void	1483	void
1129	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
1130	CODE:	1487	CODE:
1131	{	1488	{
1132	dREQ (REQ_ENV_CLOSE);	1489	dREQ (REQ_ENV_CLOSE);
1133	req->env = env;	1490	req->env = env;
1134	req->uint1 = flags;	1491	req->uint1 = flags;
1135	REQ_SEND;	1492	REQ_SEND;
1136	ptr_nuke (ST (0));	1493	ptr_nuke (ST (0));
1137	}	1494	}
1138		1495
		1496	void
		1497	db_env_txn_checkpoint (DB_ENV env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV callback = 0)
		1498	PREINIT:
		1499	CALLBACK
		1500	CODE:
		1501	{
		1502	dREQ (REQ_ENV_TXN_CHECKPOINT);
		1503	req->env = env;
		1504	req->uint1 = kbyte;
		1505	req->int1 = min;
		1506	req->uint2 = flags;
		1507	REQ_SEND;
		1508	}
		1509
		1510	void
		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
		1514	CODE:
		1515	{
		1516	dREQ (REQ_ENV_LOCK_DETECT);
		1517	req->env = env;
		1518	req->uint1 = flags;
		1519	req->uint2 = atype;
		1520	/* req->int2 = 0; dummy */
		1521	REQ_SEND;
		1522	}
		1523
		1524	void
		1525	db_env_memp_sync (DB_ENV env, SV dummy = 0, SV *callback = 0)
		1526	PREINIT:
		1527	CALLBACK
		1528	CODE:
		1529	{
		1530	dREQ (REQ_ENV_MEMP_SYNC);
		1531	req->env = env;
		1532	REQ_SEND;
		1533	}
		1534
		1535	void
		1536	db_env_memp_trickle (DB_ENV env, int percent, SV dummy = 0, SV *callback = 0)
		1537	PREINIT:
		1538	CALLBACK
		1539	CODE:
		1540	{
		1541	dREQ (REQ_ENV_MEMP_TRICKLE);
		1542	req->env = env;
		1543	req->int1 = percent;
		1544	REQ_SEND;
		1545	}
		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	}
		1575
1139	DB *	1576	DB *
1140	db_create (DB_ENV *env = 0, U32 flags = 0)	1577	db_create (DB_ENV *env = 0, U32 flags = 0)
1141	CODE:	1578	CODE:
1142	{	1579	{
1143	errno = db_create (&RETVAL, env, flags);	1580	errno = db_create (&RETVAL, env, flags);
…		…
1149	}	1586	}
1150	OUTPUT:	1587	OUTPUT:
1151	RETVAL	1588	RETVAL
1152		1589
1153	void	1590	void
1154	db_open (DB db, DB_TXN_ornull txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)	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
1155	CODE:	1594	CODE:
1156	{	1595	{
1157	dREQ (REQ_DB_OPEN);	1596	dREQ (REQ_DB_OPEN);
1158	req->db = db;	1597	req->db = db;
1159	req->txn = txnid;	1598	req->txn = txnid;
…		…
1164	req->int2 = mode;	1603	req->int2 = mode;
1165	REQ_SEND;	1604	REQ_SEND;
1166	}	1605	}
1167		1606
1168	void	1607	void
1169	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
1170	CODE:	1611	CODE:
1171	{	1612	{
1172	dREQ (REQ_DB_CLOSE);	1613	dREQ (REQ_DB_CLOSE);
1173	req->db = db;	1614	req->db = db;
1174	req->uint1 = flags;	1615	req->uint1 = flags;
…		…
1176	REQ_SEND;	1617	REQ_SEND;
1177	ptr_nuke (ST (0));	1618	ptr_nuke (ST (0));
1178	}	1619	}
1179		1620
1180	void	1621	void
1181	db_compact (DB db, DB_TXN_ornull txn = 0, SV start = 0, SV stop = 0, SV unused1 = 0, U32 flags = DB_FREE_SPACE, SV unused2 = 0, SV *callback = &PL_sv_undef)	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
1182	CODE:	1625	CODE:
1183	{	1626	{
1184	dREQ (REQ_DB_COMPACT);	1627	dREQ (REQ_DB_COMPACT);
1185	req->db = db;	1628	req->db = db;
1186	req->txn = txn;	1629	req->txn = txn;
…		…
1189	req->uint1 = flags;	1632	req->uint1 = flags;
1190	REQ_SEND;	1633	REQ_SEND;
1191	}	1634	}
1192		1635
1193	void	1636	void
1194	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
1195	CODE:	1640	CODE:
1196	{	1641	{
1197	dREQ (REQ_DB_SYNC);	1642	dREQ (REQ_DB_SYNC);
1198	req->db = db;	1643	req->db = db;
1199	req->uint1 = flags;	1644	req->uint1 = flags;
1200	REQ_SEND;	1645	REQ_SEND;
1201	}	1646	}
1202		1647
1203	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
		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
		1665	CODE:
		1666	{
		1667	dREQ (REQ_DB_KEY_RANGE);
		1668	req->db = db;
		1669	req->txn = txn;
		1670	sv_to_dbt (&req->dbt1, key);
		1671	req->uint1 = flags;
		1672	req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
		1673	REQ_SEND;
		1674	}
		1675
		1676	void
1204	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
1205	CODE:	1680	CODE:
1206	{	1681	{
1207	dREQ (REQ_DB_PUT);	1682	dREQ (REQ_DB_PUT);
1208	req->db = db;	1683	req->db = db;
1209	req->txn = txn;	1684	req->txn = txn;
…		…
1212	req->uint1 = flags;	1687	req->uint1 = flags;
1213	REQ_SEND;	1688	REQ_SEND;
1214	}	1689	}
1215		1690
1216	void	1691	void
1217	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
1218	CODE:	1695	CODE:
		1696	if (SvREADONLY (data))
		1697	croak ("can't modify read-only data scalar in db_get");
1219	{	1698	{
1220	dREQ (REQ_DB_GET);	1699	dREQ (REQ_DB_GET);
1221	req->db = db;	1700	req->db = db;
1222	req->txn = txn;	1701	req->txn = txn;
1223	req->uint1 = flags;	1702	req->uint1 = flags;
…		…
1226	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1705	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1227	REQ_SEND;	1706	REQ_SEND;
1228	}	1707	}
1229		1708
1230	void	1709	void
1231	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
1232	CODE:	1713	CODE:
		1714	if (SvREADONLY (data))
		1715	croak ("can't modify read-only data scalar in db_pget");
1233	{	1716	{
1234	dREQ (REQ_DB_PGET);	1717	dREQ (REQ_DB_PGET);
1235	req->db = db;	1718	req->db = db;
1236	req->txn = txn;	1719	req->txn = txn;
1237	req->uint1 = flags;	1720	req->uint1 = flags;
…		…
1241	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1724	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1242	REQ_SEND;	1725	REQ_SEND;
1243	}	1726	}
1244		1727
1245	void	1728	void
1246	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
1247	CODE:	1732	CODE:
1248	{	1733	{
1249	dREQ (REQ_DB_DEL);	1734	dREQ (REQ_DB_DEL);
1250	req->db = db;	1735	req->db = db;
1251	req->txn = txn;	1736	req->txn = txn;
…		…
1253	sv_to_dbt (&req->dbt1, key);	1738	sv_to_dbt (&req->dbt1, key);
1254	REQ_SEND;	1739	REQ_SEND;
1255	}	1740	}
1256		1741
1257	void	1742	void
1258	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
1259	CODE:	1746	CODE:
1260	{	1747	{
1261	dREQ (REQ_TXN_COMMIT);	1748	dREQ (REQ_TXN_COMMIT);
1262	req->txn = txn;	1749	req->txn = txn;
1263	req->uint1 = flags;	1750	req->uint1 = flags;
1264	REQ_SEND;	1751	REQ_SEND;
1265	ptr_nuke (ST (0));	1752	ptr_nuke (ST (0));
1266	}	1753	}
1267		1754
1268	void	1755	void
1269	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
1270	CODE:	1759	CODE:
1271	{	1760	{
1272	dREQ (REQ_TXN_ABORT);	1761	dREQ (REQ_TXN_ABORT);
1273	req->txn = txn;	1762	req->txn = txn;
1274	REQ_SEND;	1763	REQ_SEND;
1275	ptr_nuke (ST (0));	1764	ptr_nuke (ST (0));
1276	}	1765	}
1277		1766
1278	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
1279	db_c_close (DBC dbc, SV callback = &PL_sv_undef)	1781	db_c_close (DBC dbc, SV callback = 0)
		1782	PREINIT:
		1783	CALLBACK
1280	CODE:	1784	CODE:
1281	{	1785	{
1282	dREQ (REQ_C_CLOSE);	1786	dREQ (REQ_C_CLOSE);
1283	req->dbc = dbc;	1787	req->dbc = dbc;
1284	REQ_SEND;	1788	REQ_SEND;
1285	ptr_nuke (ST (0));	1789	ptr_nuke (ST (0));
1286	}	1790	}
1287		1791
1288	void	1792	void
1289	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
1290	CODE:	1796	CODE:
1291	{	1797	{
1292	dREQ (REQ_C_COUNT);	1798	dREQ (REQ_C_COUNT);
1293	req->dbc = dbc;	1799	req->dbc = dbc;
1294	req->sv1 = SvREFCNT_inc (count);	1800	req->sv1 = SvREFCNT_inc (count);
1295	REQ_SEND;	1801	REQ_SEND;
1296	}	1802	}
1297		1803
1298	void	1804	void
1299	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
1300	CODE:	1808	CODE:
1301	{	1809	{
1302	dREQ (REQ_C_PUT);	1810	dREQ (REQ_C_PUT);
1303	req->dbc = dbc;	1811	req->dbc = dbc;
1304	sv_to_dbt (&req->dbt1, key);	1812	sv_to_dbt (&req->dbt1, key);
…		…
1306	req->uint1 = flags;	1814	req->uint1 = flags;
1307	REQ_SEND;	1815	REQ_SEND;
1308	}	1816	}
1309		1817
1310	void	1818	void
1311	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
1312	CODE:	1822	CODE:
1313	{	1823	{
1314	dREQ (REQ_C_GET);	1824	dREQ (REQ_C_GET);
1315	req->dbc = dbc;	1825	req->dbc = dbc;
1316	req->uint1 = flags;	1826	req->uint1 = flags;
…		…
1331	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1841	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1332	REQ_SEND;	1842	REQ_SEND;
1333	}	1843	}
1334		1844
1335	void	1845	void
1336	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
1337	CODE:	1849	CODE:
1338	{	1850	{
1339	dREQ (REQ_C_PGET);	1851	dREQ (REQ_C_PGET);
1340	req->dbc = dbc;	1852	req->dbc = dbc;
1341	req->uint1 = flags;	1853	req->uint1 = flags;
…		…
1359	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);	1871	req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1360	REQ_SEND;	1872	REQ_SEND;
1361	}	1873	}
1362		1874
1363	void	1875	void
1364	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
1365	CODE:	1879	CODE:
1366	{	1880	{
1367	dREQ (REQ_C_DEL);	1881	dREQ (REQ_C_DEL);
1368	req->dbc = dbc;	1882	req->dbc = dbc;
1369	req->uint1 = flags;	1883	req->uint1 = flags;
1370	REQ_SEND;	1884	REQ_SEND;
1371	}	1885	}
1372		1886
1373		1887
		1888	void
		1889	db_sequence_open (DB_SEQUENCE seq, DB_TXN_ornull txnid, SV key, U32 flags = 0, SV callback = 0)
		1890	PREINIT:
		1891	CALLBACK
		1892	CODE:
		1893	{
		1894	dREQ (REQ_SEQ_OPEN);
		1895	req->seq = seq;
		1896	req->txn = txnid;
		1897	req->uint1 = flags \| DB_THREAD;
		1898	sv_to_dbt (&req->dbt1, key);
		1899	REQ_SEND;
		1900	}
		1901
		1902	void
		1903	db_sequence_close (DB_SEQUENCE seq, U32 flags = 0, SV callback = 0)
		1904	PREINIT:
		1905	CALLBACK
		1906	CODE:
		1907	{
		1908	dREQ (REQ_SEQ_CLOSE);
		1909	req->seq = seq;
		1910	req->uint1 = flags;
		1911	REQ_SEND;
		1912	ptr_nuke (ST (0));
		1913	}
		1914
		1915	void
		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
		1919	CODE:
		1920	{
		1921	dREQ (REQ_SEQ_GET);
		1922	req->seq = seq;
		1923	req->txn = txnid;
		1924	req->int1 = delta;
		1925	req->uint1 = flags;
		1926	req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
		1927	REQ_SEND;
		1928	}
		1929
		1930	void
		1931	db_sequence_remove (DB_SEQUENCE seq, DB_TXN_ornull txnid = 0, U32 flags = 0, SV *callback = 0)
		1932	PREINIT:
		1933	CALLBACK
		1934	CODE:
		1935	{
		1936	dREQ (REQ_SEQ_REMOVE);
		1937	req->seq = seq;
		1938	req->txn = txnid;
		1939	req->uint1 = flags;
		1940	REQ_SEND;
		1941	}
		1942
		1943
1374	MODULE = BDB PACKAGE = BDB::Env	1944	MODULE = BDB PACKAGE = BDB::Env
1375		1945
1376	void	1946	void
1377	DESTROY (DB_ENV_ornull *env)	1947	DESTROY (DB_ENV_ornuked *env)
1378	CODE:	1948	CODE:
1379	if (env)	1949	if (env)
1380	env->close (env, 0);	1950	env->close (env, 0);
1381		1951
		1952	int set_data_dir (DB_ENV env, const char dir)
		1953	CODE:
		1954	RETVAL = env->set_data_dir (env, dir);
		1955	OUTPUT:
		1956	RETVAL
		1957
		1958	int set_tmp_dir (DB_ENV env, const char dir)
		1959	CODE:
		1960	RETVAL = env->set_tmp_dir (env, dir);
		1961	OUTPUT:
		1962	RETVAL
		1963
		1964	int set_lg_dir (DB_ENV env, const char dir)
		1965	CODE:
		1966	RETVAL = env->set_lg_dir (env, dir);
		1967	OUTPUT:
		1968	RETVAL
		1969
		1970	int set_shm_key (DB_ENV *env, long shm_key)
		1971	CODE:
		1972	RETVAL = env->set_shm_key (env, shm_key);
		1973	OUTPUT:
		1974	RETVAL
		1975
1382	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)	1976	int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1383	CODE:	1977	CODE:
1384	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);	1978	RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1385	OUTPUT:	1979	OUTPUT:
1386	RETVAL	1980	RETVAL
1387		1981
1388	int set_flags (DB_ENV *env, U32 flags, int onoff)	1982	int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1389	CODE:	1983	CODE:
1390	RETVAL = env->set_flags (env, flags, onoff);	1984	RETVAL = env->set_flags (env, flags, onoff);
1391	OUTPUT:	1985	OUTPUT:
1392	RETVAL	1986	RETVAL
1393		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
1394	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)
1395	CODE:	2020	CODE:
1396	RETVAL = env->set_encrypt (env, password, flags);	2021	RETVAL = env->set_encrypt (env, password, flags);
1397	OUTPUT:	2022	OUTPUT:
1398	RETVAL	2023	RETVAL
1399		2024
1400	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)
1401	CODE:	2026	CODE:
1402	RETVAL = env->set_timeout (env, timeout * 1000000, flags);	2027	RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1403	OUTPUT:	2028	OUTPUT:
		2029	RETVAL
		2030
		2031	int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
		2032	CODE:
		2033	RETVAL = env->set_mp_max_openfd (env, maxopenfd);
		2034	OUTPUT:
		2035	RETVAL
		2036
		2037	int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
		2038	CODE:
		2039	RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
		2040	OUTPUT:
		2041	RETVAL
		2042
		2043	int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
		2044	CODE:
		2045	RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
		2046	OUTPUT:
		2047	RETVAL
		2048
		2049	int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
		2050	CODE:
		2051	RETVAL = env->set_lk_detect (env, detect);
		2052	OUTPUT:
		2053	RETVAL
		2054
		2055	int set_lk_max_lockers (DB_ENV *env, U32 max)
		2056	CODE:
		2057	RETVAL = env->set_lk_max_lockers (env, max);
		2058	OUTPUT:
		2059	RETVAL
		2060
		2061	int set_lk_max_locks (DB_ENV *env, U32 max)
		2062	CODE:
		2063	RETVAL = env->set_lk_max_locks (env, max);
		2064	OUTPUT:
		2065	RETVAL
		2066
		2067	int set_lk_max_objects (DB_ENV *env, U32 max)
		2068	CODE:
		2069	RETVAL = env->set_lk_max_objects (env, max);
		2070	OUTPUT:
		2071	RETVAL
		2072
		2073	int set_lg_bsize (DB_ENV *env, U32 max)
		2074	CODE:
		2075	RETVAL = env->set_lg_bsize (env, max);
		2076	OUTPUT:
		2077	RETVAL
		2078
		2079	int set_lg_max (DB_ENV *env, U32 max)
		2080	CODE:
		2081	RETVAL = env->set_lg_max (env, max);
		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:
1404	RETVAL	2107	RETVAL
1405		2108
1406	DB_TXN *	2109	DB_TXN *
1407	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)
1408	CODE:	2111	CODE:
…		…
1413	RETVAL	2116	RETVAL
1414		2117
1415	MODULE = BDB PACKAGE = BDB::Db	2118	MODULE = BDB PACKAGE = BDB::Db
1416		2119
1417	void	2120	void
1418	DESTROY (DB_ornull *db)	2121	DESTROY (DB_ornuked *db)
1419	CODE:	2122	CODE:
1420	if (db)	2123	if (db)
1421	{	2124	{
1422	SV env = (SV )db->app_private;	2125	SV env = (SV )db->app_private;
1423	db->close (db, 0);	2126	db->close (db, 0);
…		…
1428	CODE:	2131	CODE:
1429	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);	2132	RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1430	OUTPUT:	2133	OUTPUT:
1431	RETVAL	2134	RETVAL
1432		2135
1433	int set_flags (DB *db, U32 flags);	2136	int set_flags (DB *db, U32 flags)
1434	CODE:	2137	CODE:
1435	RETVAL = db->set_flags (db, flags);	2138	RETVAL = db->set_flags (db, flags);
1436	OUTPUT:	2139	OUTPUT:
1437	RETVAL	2140	RETVAL
1438		2141
…		…
1446	CODE:	2149	CODE:
1447	RETVAL = db->set_lorder (db, lorder);	2150	RETVAL = db->set_lorder (db, lorder);
1448	OUTPUT:	2151	OUTPUT:
1449	RETVAL	2152	RETVAL
1450		2153
1451
1452	int set_bt_minkey (DB *db, U32 minkey)	2154	int set_bt_minkey (DB *db, U32 minkey)
1453	CODE:	2155	CODE:
1454	RETVAL = db->set_bt_minkey (db, minkey);	2156	RETVAL = db->set_bt_minkey (db, minkey);
1455	OUTPUT:	2157	OUTPUT:
1456	RETVAL	2158	RETVAL
1457		2159
1458	int set_re_delim(DB *db, int delim);	2160	int set_re_delim (DB *db, int delim)
1459	CODE:	2161	CODE:
1460	RETVAL = db->set_re_delim (db, delim);	2162	RETVAL = db->set_re_delim (db, delim);
1461	OUTPUT:	2163	OUTPUT:
1462	RETVAL	2164	RETVAL
1463		2165
…		…
1504	if (errno)	2206	if (errno)
1505	croak ("DB->cursor: %s", db_strerror (errno));	2207	croak ("DB->cursor: %s", db_strerror (errno));
1506	OUTPUT:	2208	OUTPUT:
1507	RETVAL	2209	RETVAL
1508		2210
		2211	DB_SEQUENCE *
		2212	sequence (DB *db, U32 flags = 0)
		2213	CODE:
		2214	{
		2215	errno = db_sequence_create (&RETVAL, db, flags);
		2216	if (errno)
		2217	croak ("db_sequence_create: %s", db_strerror (errno));
		2218	}
		2219	OUTPUT:
		2220	RETVAL
		2221
1509		2222
1510	MODULE = BDB PACKAGE = BDB::Txn	2223	MODULE = BDB PACKAGE = BDB::Txn
1511		2224
1512	void	2225	void
1513	DESTROY (DB_TXN_ornull *txn)	2226	DESTROY (DB_TXN_ornuked *txn)
1514	CODE:	2227	CODE:
1515	if (txn)	2228	if (txn)
1516	txn->abort (txn);	2229	txn->abort (txn);
1517		2230
1518	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)
1519	CODE:	2232	CODE:
1520	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);	2233	RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1521	OUTPUT:	2234	OUTPUT:
1522	RETVAL	2235	RETVAL
1523		2236
		2237	int failed (DB_TXN *txn)
		2238	CODE:
		2239	RETVAL = !!(txn->flags & TXN_DEADLOCK);
		2240	OUTPUT:
		2241	RETVAL
		2242
1524		2243
1525	MODULE = BDB PACKAGE = BDB::Cursor	2244	MODULE = BDB PACKAGE = BDB::Cursor
1526		2245
1527	void	2246	void
1528	DESTROY (DBC_ornull *dbc)	2247	DESTROY (DBC_ornuked *dbc)
1529	CODE:	2248	CODE:
1530	if (dbc)	2249	if (dbc)
1531	dbc->c_close (dbc);	2250	dbc->c_close (dbc);
1532		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
		2260	MODULE = BDB PACKAGE = BDB::Sequence
		2261
		2262	void
		2263	DESTROY (DB_SEQUENCE_ornuked *seq)
		2264	CODE:
		2265	if (seq)
		2266	seq->close (seq, 0);
		2267
		2268	int initial_value (DB_SEQUENCE *seq, db_seq_t value)
		2269	CODE:
		2270	RETVAL = seq->initial_value (seq, value);
		2271	OUTPUT:
		2272	RETVAL
		2273
		2274	int set_cachesize (DB_SEQUENCE *seq, U32 size)
		2275	CODE:
		2276	RETVAL = seq->set_cachesize (seq, size);
		2277	OUTPUT:
		2278	RETVAL
		2279
		2280	int set_flags (DB_SEQUENCE *seq, U32 flags)
		2281	CODE:
		2282	RETVAL = seq->set_flags (seq, flags);
		2283	OUTPUT:
		2284	RETVAL
		2285
		2286	int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
		2287	CODE:
		2288	RETVAL = seq->set_range (seq, min, max);
		2289	OUTPUT:
		2290	RETVAL
		2291
		2292

Diff Legend

-–
+Removed lines
-+
+Added lines
-<
+Changed lines
->
+Changed lines

Comparing BDB/BDB.xs (file contents): Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs. Revision 1.42 by root, Wed Jul 9 12:39:56 2008 UTC

Diff Legend

Comparing BDB/BDB.xs (file contents):
Revision 1.6 by root, Tue Feb 6 01:09:04 2007 UTC vs.
Revision 1.42 by root, Wed Jul 9 12:39:56 2008 UTC