1 |
#include "xthread.h" |
2 |
|
3 |
#include <errno.h> |
4 |
|
5 |
#include "EXTERN.h" |
6 |
#include "perl.h" |
7 |
#include "XSUB.h" |
8 |
|
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 |
17 |
|
18 |
#include <stddef.h> |
19 |
#include <stdlib.h> |
20 |
#include <errno.h> |
21 |
#include <sys/types.h> |
22 |
#include <limits.h> |
23 |
#include <fcntl.h> |
24 |
|
25 |
#ifndef _WIN32 |
26 |
# include <sys/time.h> |
27 |
# include <unistd.h> |
28 |
#endif |
29 |
|
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 |
35 |
|
36 |
/* number of seconds after which idle threads exit */ |
37 |
#define IDLE_TIMEOUT 10 |
38 |
|
39 |
typedef DB_ENV DB_ENV_ornull; |
40 |
typedef DB_TXN DB_TXN_ornull; |
41 |
typedef DBC DBC_ornull; |
42 |
typedef DB DB_ornull; |
43 |
typedef DB_SEQUENCE DB_SEQUENCE_ornull; |
44 |
|
45 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
46 |
typedef char *octetstring; |
47 |
|
48 |
static SV *prepare_cb; |
49 |
|
50 |
#if DB_VERSION_MINOR >= 6 |
51 |
# define c_close close |
52 |
# define c_count count |
53 |
# define c_del del |
54 |
# define c_dup dup |
55 |
# define c_get get |
56 |
# define c_pget pget |
57 |
# define c_put put |
58 |
#endif |
59 |
|
60 |
static void |
61 |
debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg) |
62 |
{ |
63 |
printf ("err[%s]\n", msg); |
64 |
} |
65 |
|
66 |
static void |
67 |
debug_msgcall (const DB_ENV *dbenv, const char *msg) |
68 |
{ |
69 |
printf ("msg[%s]\n", msg); |
70 |
} |
71 |
|
72 |
static char * |
73 |
strdup_ornull (const char *s) |
74 |
{ |
75 |
return s ? strdup (s) : 0; |
76 |
} |
77 |
|
78 |
static void |
79 |
sv_to_dbt (DBT *dbt, SV *sv) |
80 |
{ |
81 |
STRLEN len; |
82 |
char *data = SvPVbyte (sv, len); |
83 |
|
84 |
dbt->data = malloc (len); |
85 |
memcpy (dbt->data, data, len); |
86 |
dbt->size = len; |
87 |
dbt->flags = DB_DBT_REALLOC; |
88 |
} |
89 |
|
90 |
static void |
91 |
dbt_to_sv (SV *sv, DBT *dbt) |
92 |
{ |
93 |
if (sv) |
94 |
{ |
95 |
SvREADONLY_off (sv); |
96 |
sv_setpvn_mg (sv, dbt->data, dbt->size); |
97 |
SvREFCNT_dec (sv); |
98 |
} |
99 |
|
100 |
free (dbt->data); |
101 |
} |
102 |
|
103 |
enum { |
104 |
REQ_QUIT, |
105 |
REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, |
106 |
REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, |
107 |
REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, |
108 |
REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, |
109 |
REQ_TXN_COMMIT, REQ_TXN_ABORT, |
110 |
REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, |
111 |
REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, |
112 |
}; |
113 |
|
114 |
typedef struct aio_cb |
115 |
{ |
116 |
struct aio_cb *volatile next; |
117 |
SV *callback; |
118 |
int type, pri, result; |
119 |
|
120 |
DB_ENV *env; |
121 |
DB *db; |
122 |
DB_TXN *txn; |
123 |
DBC *dbc; |
124 |
|
125 |
UV uv1; |
126 |
int int1, int2; |
127 |
U32 uint1, uint2; |
128 |
char *buf1, *buf2; |
129 |
SV *sv1, *sv2, *sv3; |
130 |
|
131 |
DBT dbt1, dbt2, dbt3; |
132 |
DB_KEY_RANGE key_range; |
133 |
DB_SEQUENCE *seq; |
134 |
db_seq_t seq_t; |
135 |
} aio_cb; |
136 |
|
137 |
typedef aio_cb *aio_req; |
138 |
|
139 |
enum { |
140 |
PRI_MIN = -4, |
141 |
PRI_MAX = 4, |
142 |
|
143 |
DEFAULT_PRI = 0, |
144 |
PRI_BIAS = -PRI_MIN, |
145 |
NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
146 |
}; |
147 |
|
148 |
#define AIO_TICKS ((1000000 + 1023) >> 10) |
149 |
|
150 |
static unsigned int max_poll_time = 0; |
151 |
static unsigned int max_poll_reqs = 0; |
152 |
|
153 |
/* calculcate time difference in ~1/AIO_TICKS of a second */ |
154 |
static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
155 |
{ |
156 |
return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
157 |
+ ((tv2->tv_usec - tv1->tv_usec) >> 10); |
158 |
} |
159 |
|
160 |
static int next_pri = DEFAULT_PRI + PRI_BIAS; |
161 |
|
162 |
static unsigned int started, idle, wanted; |
163 |
|
164 |
/* worker threads management */ |
165 |
static mutex_t wrklock = X_MUTEX_INIT; |
166 |
|
167 |
typedef struct worker { |
168 |
/* locked by wrklock */ |
169 |
struct worker *prev, *next; |
170 |
|
171 |
thread_t tid; |
172 |
|
173 |
/* locked by reslock, reqlock or wrklock */ |
174 |
aio_req req; /* currently processed request */ |
175 |
void *dbuf; |
176 |
DIR *dirp; |
177 |
} worker; |
178 |
|
179 |
static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
180 |
|
181 |
static void worker_clear (worker *wrk) |
182 |
{ |
183 |
} |
184 |
|
185 |
static void worker_free (worker *wrk) |
186 |
{ |
187 |
wrk->next->prev = wrk->prev; |
188 |
wrk->prev->next = wrk->next; |
189 |
|
190 |
free (wrk); |
191 |
} |
192 |
|
193 |
static volatile unsigned int nreqs, nready, npending; |
194 |
static volatile unsigned int max_idle = 4; |
195 |
static volatile unsigned int max_outstanding = 0xffffffff; |
196 |
static int respipe [2], respipe_osf [2]; |
197 |
|
198 |
static mutex_t reslock = X_MUTEX_INIT; |
199 |
static mutex_t reqlock = X_MUTEX_INIT; |
200 |
static cond_t reqwait = X_COND_INIT; |
201 |
|
202 |
#if WORDACCESS_UNSAFE |
203 |
|
204 |
static unsigned int get_nready () |
205 |
{ |
206 |
unsigned int retval; |
207 |
|
208 |
X_LOCK (reqlock); |
209 |
retval = nready; |
210 |
X_UNLOCK (reqlock); |
211 |
|
212 |
return retval; |
213 |
} |
214 |
|
215 |
static unsigned int get_npending () |
216 |
{ |
217 |
unsigned int retval; |
218 |
|
219 |
X_LOCK (reslock); |
220 |
retval = npending; |
221 |
X_UNLOCK (reslock); |
222 |
|
223 |
return retval; |
224 |
} |
225 |
|
226 |
static unsigned int get_nthreads () |
227 |
{ |
228 |
unsigned int retval; |
229 |
|
230 |
X_LOCK (wrklock); |
231 |
retval = started; |
232 |
X_UNLOCK (wrklock); |
233 |
|
234 |
return retval; |
235 |
} |
236 |
|
237 |
#else |
238 |
|
239 |
# define get_nready() nready |
240 |
# define get_npending() npending |
241 |
# define get_nthreads() started |
242 |
|
243 |
#endif |
244 |
|
245 |
/* |
246 |
* a somewhat faster data structure might be nice, but |
247 |
* with 8 priorities this actually needs <20 insns |
248 |
* per shift, the most expensive operation. |
249 |
*/ |
250 |
typedef struct { |
251 |
aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
252 |
int size; |
253 |
} reqq; |
254 |
|
255 |
static reqq req_queue; |
256 |
static reqq res_queue; |
257 |
|
258 |
int reqq_push (reqq *q, aio_req req) |
259 |
{ |
260 |
int pri = req->pri; |
261 |
req->next = 0; |
262 |
|
263 |
if (q->qe[pri]) |
264 |
{ |
265 |
q->qe[pri]->next = req; |
266 |
q->qe[pri] = req; |
267 |
} |
268 |
else |
269 |
q->qe[pri] = q->qs[pri] = req; |
270 |
|
271 |
return q->size++; |
272 |
} |
273 |
|
274 |
aio_req reqq_shift (reqq *q) |
275 |
{ |
276 |
int pri; |
277 |
|
278 |
if (!q->size) |
279 |
return 0; |
280 |
|
281 |
--q->size; |
282 |
|
283 |
for (pri = NUM_PRI; pri--; ) |
284 |
{ |
285 |
aio_req req = q->qs[pri]; |
286 |
|
287 |
if (req) |
288 |
{ |
289 |
if (!(q->qs[pri] = req->next)) |
290 |
q->qe[pri] = 0; |
291 |
|
292 |
return req; |
293 |
} |
294 |
} |
295 |
|
296 |
abort (); |
297 |
} |
298 |
|
299 |
static int poll_cb (); |
300 |
static void req_free (aio_req req); |
301 |
static void req_cancel (aio_req req); |
302 |
|
303 |
static int req_invoke (aio_req req) |
304 |
{ |
305 |
dSP; |
306 |
|
307 |
if (SvOK (req->callback)) |
308 |
{ |
309 |
ENTER; |
310 |
SAVETMPS; |
311 |
PUSHMARK (SP); |
312 |
|
313 |
switch (req->type) |
314 |
{ |
315 |
case REQ_DB_CLOSE: |
316 |
SvREFCNT_dec (req->sv1); |
317 |
break; |
318 |
|
319 |
case REQ_DB_GET: |
320 |
case REQ_DB_PGET: |
321 |
dbt_to_sv (req->sv3, &req->dbt3); |
322 |
break; |
323 |
|
324 |
case REQ_C_GET: |
325 |
case REQ_C_PGET: |
326 |
dbt_to_sv (req->sv1, &req->dbt1); |
327 |
dbt_to_sv (req->sv2, &req->dbt2); |
328 |
dbt_to_sv (req->sv3, &req->dbt3); |
329 |
break; |
330 |
|
331 |
case REQ_DB_KEY_RANGE: |
332 |
{ |
333 |
AV *av = newAV (); |
334 |
|
335 |
av_push (av, newSVnv (req->key_range.less)); |
336 |
av_push (av, newSVnv (req->key_range.equal)); |
337 |
av_push (av, newSVnv (req->key_range.greater)); |
338 |
|
339 |
SvREADONLY_off (req->sv1); |
340 |
sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av)); |
341 |
SvREFCNT_dec (req->sv1); |
342 |
} |
343 |
break; |
344 |
|
345 |
case REQ_SEQ_GET: |
346 |
SvREADONLY_off (req->sv1); |
347 |
|
348 |
if (sizeof (IV) > 4) |
349 |
sv_setiv_mg (req->sv1, req->seq_t); |
350 |
else |
351 |
sv_setnv_mg (req->sv1, req->seq_t); |
352 |
|
353 |
SvREFCNT_dec (req->sv1); |
354 |
break; |
355 |
} |
356 |
|
357 |
errno = req->result; |
358 |
|
359 |
PUTBACK; |
360 |
call_sv (req->callback, G_VOID | G_EVAL); |
361 |
SPAGAIN; |
362 |
|
363 |
FREETMPS; |
364 |
LEAVE; |
365 |
} |
366 |
|
367 |
return !SvTRUE (ERRSV); |
368 |
} |
369 |
|
370 |
static void req_free (aio_req req) |
371 |
{ |
372 |
free (req->buf1); |
373 |
free (req->buf2); |
374 |
Safefree (req); |
375 |
} |
376 |
|
377 |
#ifdef USE_SOCKETS_AS_HANDLES |
378 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
379 |
#else |
380 |
# define TO_SOCKET(x) (x) |
381 |
#endif |
382 |
|
383 |
static void |
384 |
create_pipe (int fd[2]) |
385 |
{ |
386 |
#ifdef _WIN32 |
387 |
int arg = 1; |
388 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd) |
389 |
|| ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg) |
390 |
|| ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg)) |
391 |
#else |
392 |
if (pipe (fd) |
393 |
|| fcntl (fd [0], F_SETFL, O_NONBLOCK) |
394 |
|| fcntl (fd [1], F_SETFL, O_NONBLOCK)) |
395 |
#endif |
396 |
croak ("unable to initialize result pipe"); |
397 |
|
398 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
399 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
400 |
} |
401 |
|
402 |
X_THREAD_PROC (bdb_proc); |
403 |
|
404 |
static void start_thread (void) |
405 |
{ |
406 |
worker *wrk = calloc (1, sizeof (worker)); |
407 |
|
408 |
if (!wrk) |
409 |
croak ("unable to allocate worker thread data"); |
410 |
|
411 |
X_LOCK (wrklock); |
412 |
if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
413 |
{ |
414 |
wrk->prev = &wrk_first; |
415 |
wrk->next = wrk_first.next; |
416 |
wrk_first.next->prev = wrk; |
417 |
wrk_first.next = wrk; |
418 |
++started; |
419 |
} |
420 |
else |
421 |
free (wrk); |
422 |
|
423 |
X_UNLOCK (wrklock); |
424 |
} |
425 |
|
426 |
static void maybe_start_thread () |
427 |
{ |
428 |
if (get_nthreads () >= wanted) |
429 |
return; |
430 |
|
431 |
/* todo: maybe use idle here, but might be less exact */ |
432 |
if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
433 |
return; |
434 |
|
435 |
start_thread (); |
436 |
} |
437 |
|
438 |
static void req_send (aio_req req) |
439 |
{ |
440 |
SV *wait_callback = 0; |
441 |
|
442 |
// synthesize callback if none given |
443 |
if (!SvOK (req->callback)) |
444 |
{ |
445 |
int count; |
446 |
|
447 |
dSP; |
448 |
PUSHMARK (SP); |
449 |
PUTBACK; |
450 |
count = call_sv (prepare_cb, G_ARRAY); |
451 |
SPAGAIN; |
452 |
|
453 |
if (count != 2) |
454 |
croak ("prepare callback must return exactly two values\n"); |
455 |
|
456 |
wait_callback = SvREFCNT_inc (POPs); |
457 |
SvREFCNT_dec (req->callback); |
458 |
req->callback = SvREFCNT_inc (POPs); |
459 |
} |
460 |
|
461 |
++nreqs; |
462 |
|
463 |
X_LOCK (reqlock); |
464 |
++nready; |
465 |
reqq_push (&req_queue, req); |
466 |
X_COND_SIGNAL (reqwait); |
467 |
X_UNLOCK (reqlock); |
468 |
|
469 |
maybe_start_thread (); |
470 |
|
471 |
if (wait_callback) |
472 |
{ |
473 |
dSP; |
474 |
PUSHMARK (SP); |
475 |
PUTBACK; |
476 |
call_sv (wait_callback, G_DISCARD); |
477 |
SvREFCNT_dec (wait_callback); |
478 |
} |
479 |
} |
480 |
|
481 |
static void end_thread (void) |
482 |
{ |
483 |
aio_req req; |
484 |
|
485 |
Newz (0, req, 1, aio_cb); |
486 |
|
487 |
req->type = REQ_QUIT; |
488 |
req->pri = PRI_MAX + PRI_BIAS; |
489 |
|
490 |
X_LOCK (reqlock); |
491 |
reqq_push (&req_queue, req); |
492 |
X_COND_SIGNAL (reqwait); |
493 |
X_UNLOCK (reqlock); |
494 |
|
495 |
X_LOCK (wrklock); |
496 |
--started; |
497 |
X_UNLOCK (wrklock); |
498 |
} |
499 |
|
500 |
static void set_max_idle (int nthreads) |
501 |
{ |
502 |
if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
503 |
max_idle = nthreads <= 0 ? 1 : nthreads; |
504 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
505 |
} |
506 |
|
507 |
static void min_parallel (int nthreads) |
508 |
{ |
509 |
if (wanted < nthreads) |
510 |
wanted = nthreads; |
511 |
} |
512 |
|
513 |
static void max_parallel (int nthreads) |
514 |
{ |
515 |
if (wanted > nthreads) |
516 |
wanted = nthreads; |
517 |
|
518 |
while (started > wanted) |
519 |
end_thread (); |
520 |
} |
521 |
|
522 |
static void poll_wait () |
523 |
{ |
524 |
fd_set rfd; |
525 |
|
526 |
while (nreqs) |
527 |
{ |
528 |
int size; |
529 |
if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
530 |
size = res_queue.size; |
531 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
532 |
|
533 |
if (size) |
534 |
return; |
535 |
|
536 |
maybe_start_thread (); |
537 |
|
538 |
FD_ZERO (&rfd); |
539 |
FD_SET (respipe [0], &rfd); |
540 |
|
541 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
542 |
} |
543 |
} |
544 |
|
545 |
static int poll_cb () |
546 |
{ |
547 |
dSP; |
548 |
int count = 0; |
549 |
int maxreqs = max_poll_reqs; |
550 |
int do_croak = 0; |
551 |
struct timeval tv_start, tv_now; |
552 |
aio_req req; |
553 |
|
554 |
if (max_poll_time) |
555 |
gettimeofday (&tv_start, 0); |
556 |
|
557 |
for (;;) |
558 |
{ |
559 |
for (;;) |
560 |
{ |
561 |
maybe_start_thread (); |
562 |
|
563 |
X_LOCK (reslock); |
564 |
req = reqq_shift (&res_queue); |
565 |
|
566 |
if (req) |
567 |
{ |
568 |
--npending; |
569 |
|
570 |
if (!res_queue.size) |
571 |
{ |
572 |
/* read any signals sent by the worker threads */ |
573 |
char buf [4]; |
574 |
while (respipe_read (respipe [0], buf, 4) == 4) |
575 |
; |
576 |
} |
577 |
} |
578 |
|
579 |
X_UNLOCK (reslock); |
580 |
|
581 |
if (!req) |
582 |
break; |
583 |
|
584 |
--nreqs; |
585 |
|
586 |
if (!req_invoke (req)) |
587 |
{ |
588 |
req_free (req); |
589 |
croak (0); |
590 |
} |
591 |
|
592 |
count++; |
593 |
|
594 |
req_free (req); |
595 |
|
596 |
if (maxreqs && !--maxreqs) |
597 |
break; |
598 |
|
599 |
if (max_poll_time) |
600 |
{ |
601 |
gettimeofday (&tv_now, 0); |
602 |
|
603 |
if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
604 |
break; |
605 |
} |
606 |
} |
607 |
|
608 |
if (nreqs <= max_outstanding) |
609 |
break; |
610 |
|
611 |
poll_wait (); |
612 |
|
613 |
++maxreqs; |
614 |
} |
615 |
|
616 |
return count; |
617 |
} |
618 |
|
619 |
/*****************************************************************************/ |
620 |
|
621 |
X_THREAD_PROC (bdb_proc) |
622 |
{ |
623 |
aio_req req; |
624 |
struct timespec ts; |
625 |
worker *self = (worker *)thr_arg; |
626 |
|
627 |
/* try to distribute timeouts somewhat evenly */ |
628 |
ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
629 |
|
630 |
for (;;) |
631 |
{ |
632 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
633 |
|
634 |
X_LOCK (reqlock); |
635 |
|
636 |
for (;;) |
637 |
{ |
638 |
self->req = req = reqq_shift (&req_queue); |
639 |
|
640 |
if (req) |
641 |
break; |
642 |
|
643 |
++idle; |
644 |
|
645 |
if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
646 |
== ETIMEDOUT) |
647 |
{ |
648 |
if (idle > max_idle) |
649 |
{ |
650 |
--idle; |
651 |
X_UNLOCK (reqlock); |
652 |
X_LOCK (wrklock); |
653 |
--started; |
654 |
X_UNLOCK (wrklock); |
655 |
goto quit; |
656 |
} |
657 |
|
658 |
/* we are allowed to idle, so do so without any timeout */ |
659 |
X_COND_WAIT (reqwait, reqlock); |
660 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
661 |
} |
662 |
|
663 |
--idle; |
664 |
} |
665 |
|
666 |
--nready; |
667 |
|
668 |
X_UNLOCK (reqlock); |
669 |
|
670 |
switch (req->type) |
671 |
{ |
672 |
case REQ_QUIT: |
673 |
goto quit; |
674 |
|
675 |
case REQ_ENV_OPEN: |
676 |
req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
677 |
break; |
678 |
|
679 |
case REQ_ENV_CLOSE: |
680 |
req->result = req->env->close (req->env, req->uint1); |
681 |
break; |
682 |
|
683 |
case REQ_ENV_TXN_CHECKPOINT: |
684 |
req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2); |
685 |
break; |
686 |
|
687 |
case REQ_ENV_LOCK_DETECT: |
688 |
req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1); |
689 |
break; |
690 |
|
691 |
case REQ_ENV_MEMP_SYNC: |
692 |
req->result = req->env->memp_sync (req->env, 0); |
693 |
break; |
694 |
|
695 |
case REQ_ENV_MEMP_TRICKLE: |
696 |
req->result = req->env->memp_trickle (req->env, req->int1, &req->int2); |
697 |
break; |
698 |
|
699 |
case REQ_DB_OPEN: |
700 |
req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); |
701 |
break; |
702 |
|
703 |
case REQ_DB_CLOSE: |
704 |
req->result = req->db->close (req->db, req->uint1); |
705 |
break; |
706 |
|
707 |
case REQ_DB_COMPACT: |
708 |
req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0); |
709 |
break; |
710 |
|
711 |
case REQ_DB_SYNC: |
712 |
req->result = req->db->sync (req->db, req->uint1); |
713 |
break; |
714 |
|
715 |
case REQ_DB_PUT: |
716 |
req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); |
717 |
break; |
718 |
|
719 |
case REQ_DB_GET: |
720 |
req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1); |
721 |
break; |
722 |
|
723 |
case REQ_DB_PGET: |
724 |
req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
725 |
break; |
726 |
|
727 |
case REQ_DB_DEL: |
728 |
req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); |
729 |
break; |
730 |
|
731 |
case REQ_DB_KEY_RANGE: |
732 |
req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1); |
733 |
break; |
734 |
|
735 |
case REQ_TXN_COMMIT: |
736 |
req->result = req->txn->commit (req->txn, req->uint1); |
737 |
break; |
738 |
|
739 |
case REQ_TXN_ABORT: |
740 |
req->result = req->txn->abort (req->txn); |
741 |
break; |
742 |
|
743 |
case REQ_C_CLOSE: |
744 |
req->result = req->dbc->c_close (req->dbc); |
745 |
break; |
746 |
|
747 |
case REQ_C_COUNT: |
748 |
{ |
749 |
db_recno_t recno; |
750 |
req->result = req->dbc->c_count (req->dbc, &recno, req->uint1); |
751 |
req->uv1 = recno; |
752 |
} |
753 |
break; |
754 |
|
755 |
case REQ_C_PUT: |
756 |
req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1); |
757 |
break; |
758 |
|
759 |
case REQ_C_GET: |
760 |
req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1); |
761 |
break; |
762 |
|
763 |
case REQ_C_PGET: |
764 |
req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
765 |
break; |
766 |
|
767 |
case REQ_C_DEL: |
768 |
req->result = req->dbc->c_del (req->dbc, req->uint1); |
769 |
break; |
770 |
|
771 |
case REQ_SEQ_OPEN: |
772 |
req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1); |
773 |
break; |
774 |
|
775 |
case REQ_SEQ_CLOSE: |
776 |
req->result = req->seq->close (req->seq, req->uint1); |
777 |
break; |
778 |
|
779 |
case REQ_SEQ_GET: |
780 |
req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1); |
781 |
break; |
782 |
|
783 |
case REQ_SEQ_REMOVE: |
784 |
req->result = req->seq->remove (req->seq, req->txn, req->uint1); |
785 |
break; |
786 |
|
787 |
default: |
788 |
req->result = ENOSYS; |
789 |
break; |
790 |
} |
791 |
|
792 |
X_LOCK (reslock); |
793 |
|
794 |
++npending; |
795 |
|
796 |
if (!reqq_push (&res_queue, req)) |
797 |
/* write a dummy byte to the pipe so fh becomes ready */ |
798 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
799 |
|
800 |
self->req = 0; |
801 |
worker_clear (self); |
802 |
|
803 |
X_UNLOCK (reslock); |
804 |
} |
805 |
|
806 |
quit: |
807 |
X_LOCK (wrklock); |
808 |
worker_free (self); |
809 |
X_UNLOCK (wrklock); |
810 |
|
811 |
return 0; |
812 |
} |
813 |
|
814 |
/*****************************************************************************/ |
815 |
|
816 |
static void atfork_prepare (void) |
817 |
{ |
818 |
X_LOCK (wrklock); |
819 |
X_LOCK (reqlock); |
820 |
X_LOCK (reslock); |
821 |
} |
822 |
|
823 |
static void atfork_parent (void) |
824 |
{ |
825 |
X_UNLOCK (reslock); |
826 |
X_UNLOCK (reqlock); |
827 |
X_UNLOCK (wrklock); |
828 |
} |
829 |
|
830 |
static void atfork_child (void) |
831 |
{ |
832 |
aio_req prv; |
833 |
|
834 |
while (prv = reqq_shift (&req_queue)) |
835 |
req_free (prv); |
836 |
|
837 |
while (prv = reqq_shift (&res_queue)) |
838 |
req_free (prv); |
839 |
|
840 |
while (wrk_first.next != &wrk_first) |
841 |
{ |
842 |
worker *wrk = wrk_first.next; |
843 |
|
844 |
if (wrk->req) |
845 |
req_free (wrk->req); |
846 |
|
847 |
worker_clear (wrk); |
848 |
worker_free (wrk); |
849 |
} |
850 |
|
851 |
started = 0; |
852 |
idle = 0; |
853 |
nreqs = 0; |
854 |
nready = 0; |
855 |
npending = 0; |
856 |
|
857 |
respipe_close (respipe [0]); |
858 |
respipe_close (respipe [1]); |
859 |
|
860 |
create_pipe (respipe); |
861 |
|
862 |
atfork_parent (); |
863 |
} |
864 |
|
865 |
#define dREQ(reqtype) \ |
866 |
aio_req req; \ |
867 |
int req_pri = next_pri; \ |
868 |
next_pri = DEFAULT_PRI + PRI_BIAS; \ |
869 |
\ |
870 |
if (SvOK (callback) && !SvROK (callback)) \ |
871 |
croak ("callback must be undef or of reference type"); \ |
872 |
\ |
873 |
Newz (0, req, 1, aio_cb); \ |
874 |
if (!req) \ |
875 |
croak ("out of memory during aio_req allocation"); \ |
876 |
\ |
877 |
req->callback = newSVsv (callback); \ |
878 |
req->type = (reqtype); \ |
879 |
req->pri = req_pri |
880 |
|
881 |
#define REQ_SEND \ |
882 |
req_send (req) |
883 |
|
884 |
#define SvPTR(var, arg, type, class, nullok) \ |
885 |
if (!SvOK (arg)) \ |
886 |
{ \ |
887 |
if (!nullok) \ |
888 |
croak (# var " must be a " # class " object, not undef"); \ |
889 |
\ |
890 |
(var) = 0; \ |
891 |
} \ |
892 |
else if (sv_derived_from ((arg), # class)) \ |
893 |
{ \ |
894 |
IV tmp = SvIV ((SV*) SvRV (arg)); \ |
895 |
(var) = INT2PTR (type, tmp); \ |
896 |
if (!var) \ |
897 |
croak (# var " is not a valid " # class " object anymore"); \ |
898 |
} \ |
899 |
else \ |
900 |
croak (# var " is not of type " # class); \ |
901 |
\ |
902 |
|
903 |
static void |
904 |
ptr_nuke (SV *sv) |
905 |
{ |
906 |
assert (SvROK (sv)); |
907 |
sv_setiv (SvRV (sv), 0); |
908 |
} |
909 |
|
910 |
MODULE = BDB PACKAGE = BDB |
911 |
|
912 |
PROTOTYPES: ENABLE |
913 |
|
914 |
BOOT: |
915 |
{ |
916 |
HV *stash = gv_stashpv ("BDB", 1); |
917 |
|
918 |
static const struct { |
919 |
const char *name; |
920 |
IV iv; |
921 |
} *civ, const_iv[] = { |
922 |
#define const_iv(name) { # name, (IV)DB_ ## name }, |
923 |
const_iv (RPCCLIENT) |
924 |
const_iv (INIT_CDB) |
925 |
const_iv (INIT_LOCK) |
926 |
const_iv (INIT_LOG) |
927 |
const_iv (INIT_MPOOL) |
928 |
const_iv (INIT_REP) |
929 |
const_iv (INIT_TXN) |
930 |
const_iv (RECOVER) |
931 |
const_iv (INIT_TXN) |
932 |
const_iv (RECOVER_FATAL) |
933 |
const_iv (CREATE) |
934 |
const_iv (USE_ENVIRON) |
935 |
const_iv (USE_ENVIRON_ROOT) |
936 |
const_iv (LOCKDOWN) |
937 |
const_iv (PRIVATE) |
938 |
const_iv (REGISTER) |
939 |
const_iv (SYSTEM_MEM) |
940 |
const_iv (AUTO_COMMIT) |
941 |
const_iv (CDB_ALLDB) |
942 |
const_iv (DIRECT_DB) |
943 |
const_iv (DIRECT_LOG) |
944 |
const_iv (DSYNC_DB) |
945 |
const_iv (DSYNC_LOG) |
946 |
const_iv (LOG_AUTOREMOVE) |
947 |
const_iv (LOG_INMEMORY) |
948 |
const_iv (NOLOCKING) |
949 |
const_iv (NOMMAP) |
950 |
const_iv (NOPANIC) |
951 |
const_iv (OVERWRITE) |
952 |
const_iv (PANIC_ENVIRONMENT) |
953 |
const_iv (REGION_INIT) |
954 |
const_iv (TIME_NOTGRANTED) |
955 |
const_iv (TXN_NOSYNC) |
956 |
const_iv (TXN_WRITE_NOSYNC) |
957 |
const_iv (WRITECURSOR) |
958 |
const_iv (YIELDCPU) |
959 |
const_iv (ENCRYPT_AES) |
960 |
const_iv (XA_CREATE) |
961 |
const_iv (BTREE) |
962 |
const_iv (HASH) |
963 |
const_iv (QUEUE) |
964 |
const_iv (RECNO) |
965 |
const_iv (UNKNOWN) |
966 |
const_iv (EXCL) |
967 |
const_iv (READ_COMMITTED) |
968 |
const_iv (READ_UNCOMMITTED) |
969 |
const_iv (TRUNCATE) |
970 |
const_iv (NOSYNC) |
971 |
const_iv (CHKSUM) |
972 |
const_iv (ENCRYPT) |
973 |
const_iv (TXN_NOT_DURABLE) |
974 |
const_iv (DUP) |
975 |
const_iv (DUPSORT) |
976 |
const_iv (RECNUM) |
977 |
const_iv (RENUMBER) |
978 |
const_iv (REVSPLITOFF) |
979 |
const_iv (INORDER) |
980 |
const_iv (CONSUME) |
981 |
const_iv (CONSUME_WAIT) |
982 |
const_iv (GET_BOTH) |
983 |
const_iv (GET_BOTH_RANGE) |
984 |
//const_iv (SET_RECNO) |
985 |
//const_iv (MULTIPLE) |
986 |
const_iv (SNAPSHOT) |
987 |
const_iv (JOIN_ITEM) |
988 |
const_iv (RMW) |
989 |
|
990 |
const_iv (NOTFOUND) |
991 |
const_iv (KEYEMPTY) |
992 |
const_iv (LOCK_DEADLOCK) |
993 |
const_iv (LOCK_NOTGRANTED) |
994 |
const_iv (RUNRECOVERY) |
995 |
const_iv (OLD_VERSION) |
996 |
const_iv (REP_HANDLE_DEAD) |
997 |
const_iv (REP_LOCKOUT) |
998 |
const_iv (SECONDARY_BAD) |
999 |
|
1000 |
const_iv (FREE_SPACE) |
1001 |
const_iv (FREELIST_ONLY) |
1002 |
|
1003 |
const_iv (APPEND) |
1004 |
const_iv (NODUPDATA) |
1005 |
const_iv (NOOVERWRITE) |
1006 |
|
1007 |
const_iv (TXN_NOWAIT) |
1008 |
const_iv (TXN_SYNC) |
1009 |
|
1010 |
const_iv (SET_LOCK_TIMEOUT) |
1011 |
const_iv (SET_TXN_TIMEOUT) |
1012 |
|
1013 |
const_iv (JOIN_ITEM) |
1014 |
const_iv (FIRST) |
1015 |
const_iv (NEXT) |
1016 |
const_iv (NEXT_DUP) |
1017 |
const_iv (NEXT_NODUP) |
1018 |
const_iv (PREV) |
1019 |
const_iv (PREV_NODUP) |
1020 |
const_iv (SET) |
1021 |
const_iv (SET_RANGE) |
1022 |
const_iv (LAST) |
1023 |
const_iv (BEFORE) |
1024 |
const_iv (AFTER) |
1025 |
const_iv (CURRENT) |
1026 |
const_iv (KEYFIRST) |
1027 |
const_iv (KEYLAST) |
1028 |
const_iv (NODUPDATA) |
1029 |
|
1030 |
const_iv (FORCE) |
1031 |
|
1032 |
const_iv (LOCK_DEFAULT) |
1033 |
const_iv (LOCK_EXPIRE) |
1034 |
const_iv (LOCK_MAXLOCKS) |
1035 |
const_iv (LOCK_MAXWRITE) |
1036 |
const_iv (LOCK_MINLOCKS) |
1037 |
const_iv (LOCK_MINWRITE) |
1038 |
const_iv (LOCK_OLDEST) |
1039 |
const_iv (LOCK_RANDOM) |
1040 |
const_iv (LOCK_YOUNGEST) |
1041 |
|
1042 |
const_iv (SEQ_DEC) |
1043 |
const_iv (SEQ_INC) |
1044 |
const_iv (SEQ_WRAP) |
1045 |
|
1046 |
const_iv (BUFFER_SMALL) |
1047 |
const_iv (DONOTINDEX) |
1048 |
const_iv (KEYEMPTY ) |
1049 |
const_iv (KEYEXIST ) |
1050 |
const_iv (LOCK_DEADLOCK) |
1051 |
const_iv (LOCK_NOTGRANTED) |
1052 |
const_iv (LOG_BUFFER_FULL) |
1053 |
const_iv (NOSERVER) |
1054 |
const_iv (NOSERVER_HOME) |
1055 |
const_iv (NOSERVER_ID) |
1056 |
const_iv (NOTFOUND) |
1057 |
const_iv (OLD_VERSION) |
1058 |
const_iv (PAGE_NOTFOUND) |
1059 |
const_iv (REP_DUPMASTER) |
1060 |
const_iv (REP_HANDLE_DEAD) |
1061 |
const_iv (REP_HOLDELECTION) |
1062 |
const_iv (REP_IGNORE) |
1063 |
const_iv (REP_ISPERM) |
1064 |
const_iv (REP_JOIN_FAILURE) |
1065 |
const_iv (REP_LOCKOUT) |
1066 |
const_iv (REP_NEWMASTER) |
1067 |
const_iv (REP_NEWSITE) |
1068 |
const_iv (REP_NOTPERM) |
1069 |
const_iv (REP_UNAVAIL) |
1070 |
const_iv (RUNRECOVERY) |
1071 |
const_iv (SECONDARY_BAD) |
1072 |
const_iv (VERIFY_BAD) |
1073 |
const_iv (VERSION_MISMATCH) |
1074 |
|
1075 |
const_iv (VERB_DEADLOCK) |
1076 |
const_iv (VERB_RECOVERY) |
1077 |
const_iv (VERB_REGISTER) |
1078 |
const_iv (VERB_REPLICATION) |
1079 |
const_iv (VERB_WAITSFOR) |
1080 |
|
1081 |
const_iv (VERSION_MAJOR) |
1082 |
const_iv (VERSION_MINOR) |
1083 |
const_iv (VERSION_PATCH) |
1084 |
#if DB_VERSION_MINOR >= 5 |
1085 |
const_iv (MULTIVERSION) |
1086 |
const_iv (TXN_SNAPSHOT) |
1087 |
#endif |
1088 |
#if DB_VERSION_MINOR >= 6 |
1089 |
const_iv (PREV_DUP) |
1090 |
# if 0 |
1091 |
const_iv (PRIORITY_UNCHANGED) |
1092 |
const_iv (PRIORITY_VERY_LOW) |
1093 |
const_iv (PRIORITY_LOW) |
1094 |
const_iv (PRIORITY_DEFAULT) |
1095 |
const_iv (PRIORITY_HIGH) |
1096 |
const_iv (PRIORITY_VERY_HIGH) |
1097 |
# endif |
1098 |
#endif |
1099 |
}; |
1100 |
|
1101 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1102 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1103 |
|
1104 |
newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); |
1105 |
newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
1106 |
|
1107 |
create_pipe (respipe); |
1108 |
|
1109 |
X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1110 |
#ifdef _WIN32 |
1111 |
X_MUTEX_CHECK (wrklock); |
1112 |
X_MUTEX_CHECK (reslock); |
1113 |
X_MUTEX_CHECK (reqlock); |
1114 |
|
1115 |
X_COND_CHECK (reqwait); |
1116 |
#endif |
1117 |
} |
1118 |
|
1119 |
void |
1120 |
max_poll_reqs (int nreqs) |
1121 |
PROTOTYPE: $ |
1122 |
CODE: |
1123 |
max_poll_reqs = nreqs; |
1124 |
|
1125 |
void |
1126 |
max_poll_time (double nseconds) |
1127 |
PROTOTYPE: $ |
1128 |
CODE: |
1129 |
max_poll_time = nseconds * AIO_TICKS; |
1130 |
|
1131 |
void |
1132 |
min_parallel (int nthreads) |
1133 |
PROTOTYPE: $ |
1134 |
|
1135 |
void |
1136 |
max_parallel (int nthreads) |
1137 |
PROTOTYPE: $ |
1138 |
|
1139 |
void |
1140 |
max_idle (int nthreads) |
1141 |
PROTOTYPE: $ |
1142 |
CODE: |
1143 |
set_max_idle (nthreads); |
1144 |
|
1145 |
int |
1146 |
max_outstanding (int maxreqs) |
1147 |
PROTOTYPE: $ |
1148 |
CODE: |
1149 |
RETVAL = max_outstanding; |
1150 |
max_outstanding = maxreqs; |
1151 |
OUTPUT: |
1152 |
RETVAL |
1153 |
|
1154 |
int |
1155 |
dbreq_pri (int pri = 0) |
1156 |
PROTOTYPE: ;$ |
1157 |
CODE: |
1158 |
RETVAL = next_pri - PRI_BIAS; |
1159 |
if (items > 0) |
1160 |
{ |
1161 |
if (pri < PRI_MIN) pri = PRI_MIN; |
1162 |
if (pri > PRI_MAX) pri = PRI_MAX; |
1163 |
next_pri = pri + PRI_BIAS; |
1164 |
} |
1165 |
OUTPUT: |
1166 |
RETVAL |
1167 |
|
1168 |
void |
1169 |
dbreq_nice (int nice = 0) |
1170 |
CODE: |
1171 |
nice = next_pri - nice; |
1172 |
if (nice < PRI_MIN) nice = PRI_MIN; |
1173 |
if (nice > PRI_MAX) nice = PRI_MAX; |
1174 |
next_pri = nice + PRI_BIAS; |
1175 |
|
1176 |
void |
1177 |
flush () |
1178 |
PROTOTYPE: |
1179 |
CODE: |
1180 |
while (nreqs) |
1181 |
{ |
1182 |
poll_wait (); |
1183 |
poll_cb (); |
1184 |
} |
1185 |
|
1186 |
int |
1187 |
poll () |
1188 |
PROTOTYPE: |
1189 |
CODE: |
1190 |
poll_wait (); |
1191 |
RETVAL = poll_cb (); |
1192 |
OUTPUT: |
1193 |
RETVAL |
1194 |
|
1195 |
int |
1196 |
poll_fileno () |
1197 |
PROTOTYPE: |
1198 |
CODE: |
1199 |
RETVAL = respipe [0]; |
1200 |
OUTPUT: |
1201 |
RETVAL |
1202 |
|
1203 |
int |
1204 |
poll_cb (...) |
1205 |
PROTOTYPE: |
1206 |
CODE: |
1207 |
RETVAL = poll_cb (); |
1208 |
OUTPUT: |
1209 |
RETVAL |
1210 |
|
1211 |
void |
1212 |
poll_wait () |
1213 |
PROTOTYPE: |
1214 |
CODE: |
1215 |
poll_wait (); |
1216 |
|
1217 |
int |
1218 |
nreqs () |
1219 |
PROTOTYPE: |
1220 |
CODE: |
1221 |
RETVAL = nreqs; |
1222 |
OUTPUT: |
1223 |
RETVAL |
1224 |
|
1225 |
int |
1226 |
nready () |
1227 |
PROTOTYPE: |
1228 |
CODE: |
1229 |
RETVAL = get_nready (); |
1230 |
OUTPUT: |
1231 |
RETVAL |
1232 |
|
1233 |
int |
1234 |
npending () |
1235 |
PROTOTYPE: |
1236 |
CODE: |
1237 |
RETVAL = get_npending (); |
1238 |
OUTPUT: |
1239 |
RETVAL |
1240 |
|
1241 |
int |
1242 |
nthreads () |
1243 |
PROTOTYPE: |
1244 |
CODE: |
1245 |
if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1246 |
RETVAL = started; |
1247 |
if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1248 |
OUTPUT: |
1249 |
RETVAL |
1250 |
|
1251 |
void |
1252 |
set_sync_prepare (SV *cb) |
1253 |
PROTOTYPE: & |
1254 |
CODE: |
1255 |
SvREFCNT_dec (prepare_cb); |
1256 |
prepare_cb = newSVsv (cb); |
1257 |
|
1258 |
char * |
1259 |
strerror (int errorno = errno) |
1260 |
PROTOTYPE: ;$ |
1261 |
CODE: |
1262 |
RETVAL = db_strerror (errorno); |
1263 |
OUTPUT: |
1264 |
RETVAL |
1265 |
|
1266 |
DB_ENV * |
1267 |
db_env_create (U32 env_flags = 0) |
1268 |
CODE: |
1269 |
{ |
1270 |
errno = db_env_create (&RETVAL, env_flags); |
1271 |
if (errno) |
1272 |
croak ("db_env_create: %s", db_strerror (errno)); |
1273 |
|
1274 |
if (0) |
1275 |
{ |
1276 |
RETVAL->set_errcall (RETVAL, debug_errcall); |
1277 |
RETVAL->set_msgcall (RETVAL, debug_msgcall); |
1278 |
} |
1279 |
} |
1280 |
OUTPUT: |
1281 |
RETVAL |
1282 |
|
1283 |
void |
1284 |
db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1285 |
CODE: |
1286 |
{ |
1287 |
dREQ (REQ_ENV_OPEN); |
1288 |
|
1289 |
env->set_thread_count (env, wanted + 2); |
1290 |
|
1291 |
req->env = env; |
1292 |
req->uint1 = open_flags | DB_THREAD; |
1293 |
req->int1 = mode; |
1294 |
req->buf1 = strdup_ornull (db_home); |
1295 |
REQ_SEND; |
1296 |
} |
1297 |
|
1298 |
void |
1299 |
db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef) |
1300 |
CODE: |
1301 |
{ |
1302 |
dREQ (REQ_ENV_CLOSE); |
1303 |
req->env = env; |
1304 |
req->uint1 = flags; |
1305 |
REQ_SEND; |
1306 |
ptr_nuke (ST (0)); |
1307 |
} |
1308 |
|
1309 |
void |
1310 |
db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
1311 |
CODE: |
1312 |
{ |
1313 |
dREQ (REQ_ENV_TXN_CHECKPOINT); |
1314 |
req->env = env; |
1315 |
req->uint1 = kbyte; |
1316 |
req->int1 = min; |
1317 |
req->uint2 = flags; |
1318 |
REQ_SEND; |
1319 |
} |
1320 |
|
1321 |
void |
1322 |
db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1323 |
CODE: |
1324 |
{ |
1325 |
dREQ (REQ_ENV_LOCK_DETECT); |
1326 |
req->env = env; |
1327 |
req->uint1 = flags; |
1328 |
req->uint2 = atype; |
1329 |
REQ_SEND; |
1330 |
} |
1331 |
|
1332 |
void |
1333 |
db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1334 |
CODE: |
1335 |
{ |
1336 |
dREQ (REQ_ENV_MEMP_SYNC); |
1337 |
req->env = env; |
1338 |
REQ_SEND; |
1339 |
} |
1340 |
|
1341 |
void |
1342 |
db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1343 |
CODE: |
1344 |
{ |
1345 |
dREQ (REQ_ENV_MEMP_TRICKLE); |
1346 |
req->env = env; |
1347 |
req->int1 = percent; |
1348 |
REQ_SEND; |
1349 |
} |
1350 |
|
1351 |
|
1352 |
DB * |
1353 |
db_create (DB_ENV *env = 0, U32 flags = 0) |
1354 |
CODE: |
1355 |
{ |
1356 |
errno = db_create (&RETVAL, env, flags); |
1357 |
if (errno) |
1358 |
croak ("db_create: %s", db_strerror (errno)); |
1359 |
|
1360 |
if (RETVAL) |
1361 |
RETVAL->app_private = (void *)newSVsv (ST (0)); |
1362 |
} |
1363 |
OUTPUT: |
1364 |
RETVAL |
1365 |
|
1366 |
void |
1367 |
db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) |
1368 |
CODE: |
1369 |
{ |
1370 |
dREQ (REQ_DB_OPEN); |
1371 |
req->db = db; |
1372 |
req->txn = txnid; |
1373 |
req->buf1 = strdup_ornull (file); |
1374 |
req->buf2 = strdup_ornull (database); |
1375 |
req->int1 = type; |
1376 |
req->uint1 = flags | DB_THREAD; |
1377 |
req->int2 = mode; |
1378 |
REQ_SEND; |
1379 |
} |
1380 |
|
1381 |
void |
1382 |
db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1383 |
CODE: |
1384 |
{ |
1385 |
dREQ (REQ_DB_CLOSE); |
1386 |
req->db = db; |
1387 |
req->uint1 = flags; |
1388 |
req->sv1 = (SV *)db->app_private; |
1389 |
REQ_SEND; |
1390 |
ptr_nuke (ST (0)); |
1391 |
} |
1392 |
|
1393 |
void |
1394 |
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) |
1395 |
CODE: |
1396 |
{ |
1397 |
dREQ (REQ_DB_COMPACT); |
1398 |
req->db = db; |
1399 |
req->txn = txn; |
1400 |
sv_to_dbt (&req->dbt1, start); |
1401 |
sv_to_dbt (&req->dbt2, stop); |
1402 |
req->uint1 = flags; |
1403 |
REQ_SEND; |
1404 |
} |
1405 |
|
1406 |
void |
1407 |
db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1408 |
CODE: |
1409 |
{ |
1410 |
dREQ (REQ_DB_SYNC); |
1411 |
req->db = db; |
1412 |
req->uint1 = flags; |
1413 |
REQ_SEND; |
1414 |
} |
1415 |
|
1416 |
void |
1417 |
db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) |
1418 |
CODE: |
1419 |
{ |
1420 |
dREQ (REQ_DB_KEY_RANGE); |
1421 |
req->db = db; |
1422 |
req->txn = txn; |
1423 |
sv_to_dbt (&req->dbt1, key); |
1424 |
req->uint1 = flags; |
1425 |
req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range); |
1426 |
REQ_SEND; |
1427 |
} |
1428 |
|
1429 |
void |
1430 |
db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1431 |
CODE: |
1432 |
{ |
1433 |
dREQ (REQ_DB_PUT); |
1434 |
req->db = db; |
1435 |
req->txn = txn; |
1436 |
sv_to_dbt (&req->dbt1, key); |
1437 |
sv_to_dbt (&req->dbt2, data); |
1438 |
req->uint1 = flags; |
1439 |
REQ_SEND; |
1440 |
} |
1441 |
|
1442 |
void |
1443 |
db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1444 |
CODE: |
1445 |
{ |
1446 |
dREQ (REQ_DB_GET); |
1447 |
req->db = db; |
1448 |
req->txn = txn; |
1449 |
req->uint1 = flags; |
1450 |
sv_to_dbt (&req->dbt1, key); |
1451 |
req->dbt3.flags = DB_DBT_MALLOC; |
1452 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1453 |
REQ_SEND; |
1454 |
} |
1455 |
|
1456 |
void |
1457 |
db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1458 |
CODE: |
1459 |
{ |
1460 |
dREQ (REQ_DB_PGET); |
1461 |
req->db = db; |
1462 |
req->txn = txn; |
1463 |
req->uint1 = flags; |
1464 |
sv_to_dbt (&req->dbt1, key); |
1465 |
sv_to_dbt (&req->dbt2, pkey); |
1466 |
req->dbt3.flags = DB_DBT_MALLOC; |
1467 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1468 |
REQ_SEND; |
1469 |
} |
1470 |
|
1471 |
void |
1472 |
db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
1473 |
CODE: |
1474 |
{ |
1475 |
dREQ (REQ_DB_DEL); |
1476 |
req->db = db; |
1477 |
req->txn = txn; |
1478 |
req->uint1 = flags; |
1479 |
sv_to_dbt (&req->dbt1, key); |
1480 |
REQ_SEND; |
1481 |
} |
1482 |
|
1483 |
void |
1484 |
db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
1485 |
CODE: |
1486 |
{ |
1487 |
dREQ (REQ_TXN_COMMIT); |
1488 |
req->txn = txn; |
1489 |
req->uint1 = flags; |
1490 |
REQ_SEND; |
1491 |
ptr_nuke (ST (0)); |
1492 |
} |
1493 |
|
1494 |
void |
1495 |
db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef) |
1496 |
CODE: |
1497 |
{ |
1498 |
dREQ (REQ_TXN_ABORT); |
1499 |
req->txn = txn; |
1500 |
REQ_SEND; |
1501 |
ptr_nuke (ST (0)); |
1502 |
} |
1503 |
|
1504 |
void |
1505 |
db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) |
1506 |
CODE: |
1507 |
{ |
1508 |
dREQ (REQ_C_CLOSE); |
1509 |
req->dbc = dbc; |
1510 |
REQ_SEND; |
1511 |
ptr_nuke (ST (0)); |
1512 |
} |
1513 |
|
1514 |
void |
1515 |
db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef) |
1516 |
CODE: |
1517 |
{ |
1518 |
dREQ (REQ_C_COUNT); |
1519 |
req->dbc = dbc; |
1520 |
req->sv1 = SvREFCNT_inc (count); |
1521 |
REQ_SEND; |
1522 |
} |
1523 |
|
1524 |
void |
1525 |
db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1526 |
CODE: |
1527 |
{ |
1528 |
dREQ (REQ_C_PUT); |
1529 |
req->dbc = dbc; |
1530 |
sv_to_dbt (&req->dbt1, key); |
1531 |
sv_to_dbt (&req->dbt2, data); |
1532 |
req->uint1 = flags; |
1533 |
REQ_SEND; |
1534 |
} |
1535 |
|
1536 |
void |
1537 |
db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1538 |
CODE: |
1539 |
{ |
1540 |
dREQ (REQ_C_GET); |
1541 |
req->dbc = dbc; |
1542 |
req->uint1 = flags; |
1543 |
if ((flags & DB_SET) == DB_SET |
1544 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1545 |
sv_to_dbt (&req->dbt1, key); |
1546 |
else |
1547 |
req->dbt1.flags = DB_DBT_MALLOC; |
1548 |
|
1549 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1550 |
|
1551 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1552 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1553 |
sv_to_dbt (&req->dbt3, data); |
1554 |
else |
1555 |
req->dbt3.flags = DB_DBT_MALLOC; |
1556 |
|
1557 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1558 |
REQ_SEND; |
1559 |
} |
1560 |
|
1561 |
void |
1562 |
db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1563 |
CODE: |
1564 |
{ |
1565 |
dREQ (REQ_C_PGET); |
1566 |
req->dbc = dbc; |
1567 |
req->uint1 = flags; |
1568 |
if ((flags & DB_SET) == DB_SET |
1569 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1570 |
sv_to_dbt (&req->dbt1, key); |
1571 |
else |
1572 |
req->dbt1.flags = DB_DBT_MALLOC; |
1573 |
|
1574 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1575 |
|
1576 |
req->dbt2.flags = DB_DBT_MALLOC; |
1577 |
req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey); |
1578 |
|
1579 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1580 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1581 |
sv_to_dbt (&req->dbt3, data); |
1582 |
else |
1583 |
req->dbt3.flags = DB_DBT_MALLOC; |
1584 |
|
1585 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1586 |
REQ_SEND; |
1587 |
} |
1588 |
|
1589 |
void |
1590 |
db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef) |
1591 |
CODE: |
1592 |
{ |
1593 |
dREQ (REQ_C_DEL); |
1594 |
req->dbc = dbc; |
1595 |
req->uint1 = flags; |
1596 |
REQ_SEND; |
1597 |
} |
1598 |
|
1599 |
|
1600 |
void |
1601 |
db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
1602 |
CODE: |
1603 |
{ |
1604 |
dREQ (REQ_SEQ_OPEN); |
1605 |
req->seq = seq; |
1606 |
req->txn = txnid; |
1607 |
req->uint1 = flags | DB_THREAD; |
1608 |
sv_to_dbt (&req->dbt1, key); |
1609 |
REQ_SEND; |
1610 |
} |
1611 |
|
1612 |
void |
1613 |
db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef) |
1614 |
CODE: |
1615 |
{ |
1616 |
dREQ (REQ_SEQ_CLOSE); |
1617 |
req->seq = seq; |
1618 |
req->uint1 = flags; |
1619 |
REQ_SEND; |
1620 |
ptr_nuke (ST (0)); |
1621 |
} |
1622 |
|
1623 |
void |
1624 |
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) |
1625 |
CODE: |
1626 |
{ |
1627 |
dREQ (REQ_SEQ_GET); |
1628 |
req->seq = seq; |
1629 |
req->txn = txnid; |
1630 |
req->int1 = delta; |
1631 |
req->uint1 = flags; |
1632 |
req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value); |
1633 |
REQ_SEND; |
1634 |
} |
1635 |
|
1636 |
void |
1637 |
db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
1638 |
CODE: |
1639 |
{ |
1640 |
dREQ (REQ_SEQ_REMOVE); |
1641 |
req->seq = seq; |
1642 |
req->txn = txnid; |
1643 |
req->uint1 = flags; |
1644 |
REQ_SEND; |
1645 |
} |
1646 |
|
1647 |
|
1648 |
MODULE = BDB PACKAGE = BDB::Env |
1649 |
|
1650 |
void |
1651 |
DESTROY (DB_ENV_ornull *env) |
1652 |
CODE: |
1653 |
if (env) |
1654 |
env->close (env, 0); |
1655 |
|
1656 |
int set_data_dir (DB_ENV *env, const char *dir) |
1657 |
CODE: |
1658 |
RETVAL = env->set_data_dir (env, dir); |
1659 |
OUTPUT: |
1660 |
RETVAL |
1661 |
|
1662 |
int set_tmp_dir (DB_ENV *env, const char *dir) |
1663 |
CODE: |
1664 |
RETVAL = env->set_tmp_dir (env, dir); |
1665 |
OUTPUT: |
1666 |
RETVAL |
1667 |
|
1668 |
int set_lg_dir (DB_ENV *env, const char *dir) |
1669 |
CODE: |
1670 |
RETVAL = env->set_lg_dir (env, dir); |
1671 |
OUTPUT: |
1672 |
RETVAL |
1673 |
|
1674 |
int set_shm_key (DB_ENV *env, long shm_key) |
1675 |
CODE: |
1676 |
RETVAL = env->set_shm_key (env, shm_key); |
1677 |
OUTPUT: |
1678 |
RETVAL |
1679 |
|
1680 |
int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) |
1681 |
CODE: |
1682 |
RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); |
1683 |
OUTPUT: |
1684 |
RETVAL |
1685 |
|
1686 |
int set_flags (DB_ENV *env, U32 flags, int onoff) |
1687 |
CODE: |
1688 |
RETVAL = env->set_flags (env, flags, onoff); |
1689 |
OUTPUT: |
1690 |
RETVAL |
1691 |
|
1692 |
void set_errfile (DB_ENV *env, FILE *errfile = 0) |
1693 |
CODE: |
1694 |
env->set_errfile (env, errfile); |
1695 |
|
1696 |
void set_msgfile (DB_ENV *env, FILE *msgfile = 0) |
1697 |
CODE: |
1698 |
env->set_msgfile (env, msgfile); |
1699 |
|
1700 |
int set_verbose (DB_ENV *env, U32 which, int onoff = 1) |
1701 |
CODE: |
1702 |
RETVAL = env->set_verbose (env, which, onoff); |
1703 |
OUTPUT: |
1704 |
RETVAL |
1705 |
|
1706 |
int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1707 |
CODE: |
1708 |
RETVAL = env->set_encrypt (env, password, flags); |
1709 |
OUTPUT: |
1710 |
RETVAL |
1711 |
|
1712 |
int set_timeout (DB_ENV *env, NV timeout, U32 flags) |
1713 |
CODE: |
1714 |
RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
1715 |
OUTPUT: |
1716 |
RETVAL |
1717 |
|
1718 |
int set_mp_max_openfd (DB_ENV *env, int maxopenfd); |
1719 |
CODE: |
1720 |
RETVAL = env->set_mp_max_openfd (env, maxopenfd); |
1721 |
OUTPUT: |
1722 |
RETVAL |
1723 |
|
1724 |
int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep); |
1725 |
CODE: |
1726 |
RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep); |
1727 |
OUTPUT: |
1728 |
RETVAL |
1729 |
|
1730 |
int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb) |
1731 |
CODE: |
1732 |
RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20); |
1733 |
OUTPUT: |
1734 |
RETVAL |
1735 |
|
1736 |
int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT) |
1737 |
CODE: |
1738 |
RETVAL = env->set_lk_detect (env, detect); |
1739 |
OUTPUT: |
1740 |
RETVAL |
1741 |
|
1742 |
int set_lk_max_lockers (DB_ENV *env, U32 max) |
1743 |
CODE: |
1744 |
RETVAL = env->set_lk_max_lockers (env, max); |
1745 |
OUTPUT: |
1746 |
RETVAL |
1747 |
|
1748 |
int set_lk_max_locks (DB_ENV *env, U32 max) |
1749 |
CODE: |
1750 |
RETVAL = env->set_lk_max_locks (env, max); |
1751 |
OUTPUT: |
1752 |
RETVAL |
1753 |
|
1754 |
int set_lk_max_objects (DB_ENV *env, U32 max) |
1755 |
CODE: |
1756 |
RETVAL = env->set_lk_max_objects (env, max); |
1757 |
OUTPUT: |
1758 |
RETVAL |
1759 |
|
1760 |
int set_lg_bsize (DB_ENV *env, U32 max) |
1761 |
CODE: |
1762 |
RETVAL = env->set_lg_bsize (env, max); |
1763 |
OUTPUT: |
1764 |
RETVAL |
1765 |
|
1766 |
int set_lg_max (DB_ENV *env, U32 max) |
1767 |
CODE: |
1768 |
RETVAL = env->set_lg_max (env, max); |
1769 |
OUTPUT: |
1770 |
RETVAL |
1771 |
|
1772 |
DB_TXN * |
1773 |
txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) |
1774 |
CODE: |
1775 |
errno = env->txn_begin (env, parent, &RETVAL, flags); |
1776 |
if (errno) |
1777 |
croak ("DB_ENV->txn_begin: %s", db_strerror (errno)); |
1778 |
OUTPUT: |
1779 |
RETVAL |
1780 |
|
1781 |
MODULE = BDB PACKAGE = BDB::Db |
1782 |
|
1783 |
void |
1784 |
DESTROY (DB_ornull *db) |
1785 |
CODE: |
1786 |
if (db) |
1787 |
{ |
1788 |
SV *env = (SV *)db->app_private; |
1789 |
db->close (db, 0); |
1790 |
SvREFCNT_dec (env); |
1791 |
} |
1792 |
|
1793 |
int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0) |
1794 |
CODE: |
1795 |
RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
1796 |
OUTPUT: |
1797 |
RETVAL |
1798 |
|
1799 |
int set_flags (DB *db, U32 flags) |
1800 |
CODE: |
1801 |
RETVAL = db->set_flags (db, flags); |
1802 |
OUTPUT: |
1803 |
RETVAL |
1804 |
|
1805 |
int set_encrypt (DB *db, const char *password, U32 flags) |
1806 |
CODE: |
1807 |
RETVAL = db->set_encrypt (db, password, flags); |
1808 |
OUTPUT: |
1809 |
RETVAL |
1810 |
|
1811 |
int set_lorder (DB *db, int lorder) |
1812 |
CODE: |
1813 |
RETVAL = db->set_lorder (db, lorder); |
1814 |
OUTPUT: |
1815 |
RETVAL |
1816 |
|
1817 |
int set_bt_minkey (DB *db, U32 minkey) |
1818 |
CODE: |
1819 |
RETVAL = db->set_bt_minkey (db, minkey); |
1820 |
OUTPUT: |
1821 |
RETVAL |
1822 |
|
1823 |
int set_re_delim (DB *db, int delim) |
1824 |
CODE: |
1825 |
RETVAL = db->set_re_delim (db, delim); |
1826 |
OUTPUT: |
1827 |
RETVAL |
1828 |
|
1829 |
int set_re_pad (DB *db, int re_pad) |
1830 |
CODE: |
1831 |
RETVAL = db->set_re_pad (db, re_pad); |
1832 |
OUTPUT: |
1833 |
RETVAL |
1834 |
|
1835 |
int set_re_source (DB *db, char *source) |
1836 |
CODE: |
1837 |
RETVAL = db->set_re_source (db, source); |
1838 |
OUTPUT: |
1839 |
RETVAL |
1840 |
|
1841 |
int set_re_len (DB *db, U32 re_len) |
1842 |
CODE: |
1843 |
RETVAL = db->set_re_len (db, re_len); |
1844 |
OUTPUT: |
1845 |
RETVAL |
1846 |
|
1847 |
int set_h_ffactor (DB *db, U32 h_ffactor) |
1848 |
CODE: |
1849 |
RETVAL = db->set_h_ffactor (db, h_ffactor); |
1850 |
OUTPUT: |
1851 |
RETVAL |
1852 |
|
1853 |
int set_h_nelem (DB *db, U32 h_nelem) |
1854 |
CODE: |
1855 |
RETVAL = db->set_h_nelem (db, h_nelem); |
1856 |
OUTPUT: |
1857 |
RETVAL |
1858 |
|
1859 |
int set_q_extentsize (DB *db, U32 extentsize) |
1860 |
CODE: |
1861 |
RETVAL = db->set_q_extentsize (db, extentsize); |
1862 |
OUTPUT: |
1863 |
RETVAL |
1864 |
|
1865 |
DBC * |
1866 |
cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0) |
1867 |
CODE: |
1868 |
errno = db->cursor (db, txn, &RETVAL, flags); |
1869 |
if (errno) |
1870 |
croak ("DB->cursor: %s", db_strerror (errno)); |
1871 |
OUTPUT: |
1872 |
RETVAL |
1873 |
|
1874 |
DB_SEQUENCE * |
1875 |
sequence (DB *db, U32 flags = 0) |
1876 |
CODE: |
1877 |
{ |
1878 |
errno = db_sequence_create (&RETVAL, db, flags); |
1879 |
if (errno) |
1880 |
croak ("db_sequence_create: %s", db_strerror (errno)); |
1881 |
} |
1882 |
OUTPUT: |
1883 |
RETVAL |
1884 |
|
1885 |
|
1886 |
MODULE = BDB PACKAGE = BDB::Txn |
1887 |
|
1888 |
void |
1889 |
DESTROY (DB_TXN_ornull *txn) |
1890 |
CODE: |
1891 |
if (txn) |
1892 |
txn->abort (txn); |
1893 |
|
1894 |
int set_timeout (DB_TXN *txn, NV timeout, U32 flags) |
1895 |
CODE: |
1896 |
RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
1897 |
OUTPUT: |
1898 |
RETVAL |
1899 |
|
1900 |
|
1901 |
MODULE = BDB PACKAGE = BDB::Cursor |
1902 |
|
1903 |
void |
1904 |
DESTROY (DBC_ornull *dbc) |
1905 |
CODE: |
1906 |
if (dbc) |
1907 |
dbc->c_close (dbc); |
1908 |
|
1909 |
MODULE = BDB PACKAGE = BDB::Sequence |
1910 |
|
1911 |
void |
1912 |
DESTROY (DB_SEQUENCE_ornull *seq) |
1913 |
CODE: |
1914 |
if (seq) |
1915 |
seq->close (seq, 0); |
1916 |
|
1917 |
int initial_value (DB_SEQUENCE *seq, db_seq_t value) |
1918 |
CODE: |
1919 |
RETVAL = seq->initial_value (seq, value); |
1920 |
OUTPUT: |
1921 |
RETVAL |
1922 |
|
1923 |
int set_cachesize (DB_SEQUENCE *seq, U32 size) |
1924 |
CODE: |
1925 |
RETVAL = seq->set_cachesize (seq, size); |
1926 |
OUTPUT: |
1927 |
RETVAL |
1928 |
|
1929 |
int set_flags (DB_SEQUENCE *seq, U32 flags) |
1930 |
CODE: |
1931 |
RETVAL = seq->set_flags (seq, flags); |
1932 |
OUTPUT: |
1933 |
RETVAL |
1934 |
|
1935 |
int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max) |
1936 |
CODE: |
1937 |
RETVAL = seq->set_range (seq, min, max); |
1938 |
OUTPUT: |
1939 |
RETVAL |
1940 |
|