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 DB_ENV DB_ENV_ornuked; |
46 |
typedef DB_TXN DB_TXN_ornuked; |
47 |
typedef DBC DBC_ornuked; |
48 |
typedef DB DB_ornuked; |
49 |
typedef DB_SEQUENCE DB_SEQUENCE_ornuked; |
50 |
|
51 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
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 |
64 |
#endif |
65 |
|
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 * |
109 |
strdup_ornull (const char *s) |
110 |
{ |
111 |
return s ? strdup (s) : 0; |
112 |
} |
113 |
|
114 |
static void |
115 |
sv_to_dbt (DBT *dbt, SV *sv) |
116 |
{ |
117 |
STRLEN len; |
118 |
char *data = SvPVbyte (sv, len); |
119 |
|
120 |
dbt->data = malloc (len); |
121 |
memcpy (dbt->data, data, len); |
122 |
dbt->size = len; |
123 |
dbt->flags = DB_DBT_REALLOC; |
124 |
} |
125 |
|
126 |
static void |
127 |
dbt_to_sv (SV *sv, DBT *dbt) |
128 |
{ |
129 |
if (sv) |
130 |
{ |
131 |
SvREADONLY_off (sv); |
132 |
sv_setpvn_mg (sv, dbt->data, dbt->size); |
133 |
SvREFCNT_dec (sv); |
134 |
} |
135 |
|
136 |
free (dbt->data); |
137 |
} |
138 |
|
139 |
enum { |
140 |
REQ_QUIT, |
141 |
REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, |
142 |
REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, |
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, |
145 |
REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH, |
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, |
148 |
}; |
149 |
|
150 |
typedef struct bdb_cb |
151 |
{ |
152 |
struct bdb_cb *volatile next; |
153 |
SV *callback; |
154 |
int type, pri, result; |
155 |
|
156 |
DB_ENV *env; |
157 |
DB *db; |
158 |
DB_TXN *txn; |
159 |
DBC *dbc; |
160 |
|
161 |
UV uv1; |
162 |
int int1, int2; |
163 |
U32 uint1, uint2; |
164 |
char *buf1, *buf2; |
165 |
SV *sv1, *sv2, *sv3; |
166 |
|
167 |
DBT dbt1, dbt2, dbt3; |
168 |
DB_KEY_RANGE key_range; |
169 |
DB_SEQUENCE *seq; |
170 |
db_seq_t seq_t; |
171 |
} bdb_cb; |
172 |
|
173 |
typedef bdb_cb *bdb_req; |
174 |
|
175 |
enum { |
176 |
PRI_MIN = -4, |
177 |
PRI_MAX = 4, |
178 |
|
179 |
DEFAULT_PRI = 0, |
180 |
PRI_BIAS = -PRI_MIN, |
181 |
NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
182 |
}; |
183 |
|
184 |
#define AIO_TICKS ((1000000 + 1023) >> 10) |
185 |
|
186 |
static unsigned int max_poll_time = 0; |
187 |
static unsigned int max_poll_reqs = 0; |
188 |
|
189 |
/* calculcate time difference in ~1/AIO_TICKS of a second */ |
190 |
static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
191 |
{ |
192 |
return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
193 |
+ ((tv2->tv_usec - tv1->tv_usec) >> 10); |
194 |
} |
195 |
|
196 |
static int next_pri = DEFAULT_PRI + PRI_BIAS; |
197 |
|
198 |
static unsigned int started, idle, wanted; |
199 |
|
200 |
/* worker threads management */ |
201 |
static mutex_t wrklock = X_MUTEX_INIT; |
202 |
|
203 |
typedef struct worker { |
204 |
/* locked by wrklock */ |
205 |
struct worker *prev, *next; |
206 |
|
207 |
thread_t tid; |
208 |
|
209 |
/* locked by reslock, reqlock or wrklock */ |
210 |
bdb_req req; /* currently processed request */ |
211 |
void *dbuf; |
212 |
DIR *dirp; |
213 |
} worker; |
214 |
|
215 |
static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
216 |
|
217 |
static void worker_clear (worker *wrk) |
218 |
{ |
219 |
} |
220 |
|
221 |
static void worker_free (worker *wrk) |
222 |
{ |
223 |
wrk->next->prev = wrk->prev; |
224 |
wrk->prev->next = wrk->next; |
225 |
|
226 |
free (wrk); |
227 |
} |
228 |
|
229 |
static volatile unsigned int nreqs, nready, npending; |
230 |
static volatile unsigned int max_idle = 4; |
231 |
static volatile unsigned int max_outstanding = 0xffffffff; |
232 |
static int respipe_osf [2], respipe [2] = { -1, -1 }; |
233 |
|
234 |
static mutex_t reslock = X_MUTEX_INIT; |
235 |
static mutex_t reqlock = X_MUTEX_INIT; |
236 |
static cond_t reqwait = X_COND_INIT; |
237 |
|
238 |
#if WORDACCESS_UNSAFE |
239 |
|
240 |
static unsigned int get_nready (void) |
241 |
{ |
242 |
unsigned int retval; |
243 |
|
244 |
X_LOCK (reqlock); |
245 |
retval = nready; |
246 |
X_UNLOCK (reqlock); |
247 |
|
248 |
return retval; |
249 |
} |
250 |
|
251 |
static unsigned int get_npending (void) |
252 |
{ |
253 |
unsigned int retval; |
254 |
|
255 |
X_LOCK (reslock); |
256 |
retval = npending; |
257 |
X_UNLOCK (reslock); |
258 |
|
259 |
return retval; |
260 |
} |
261 |
|
262 |
static unsigned int get_nthreads (void) |
263 |
{ |
264 |
unsigned int retval; |
265 |
|
266 |
X_LOCK (wrklock); |
267 |
retval = started; |
268 |
X_UNLOCK (wrklock); |
269 |
|
270 |
return retval; |
271 |
} |
272 |
|
273 |
#else |
274 |
|
275 |
# define get_nready() nready |
276 |
# define get_npending() npending |
277 |
# define get_nthreads() started |
278 |
|
279 |
#endif |
280 |
|
281 |
/* |
282 |
* a somewhat faster data structure might be nice, but |
283 |
* with 8 priorities this actually needs <20 insns |
284 |
* per shift, the most expensive operation. |
285 |
*/ |
286 |
typedef struct { |
287 |
bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
288 |
int size; |
289 |
} reqq; |
290 |
|
291 |
static reqq req_queue; |
292 |
static reqq res_queue; |
293 |
|
294 |
int reqq_push (reqq *q, bdb_req req) |
295 |
{ |
296 |
int pri = req->pri; |
297 |
req->next = 0; |
298 |
|
299 |
if (q->qe[pri]) |
300 |
{ |
301 |
q->qe[pri]->next = req; |
302 |
q->qe[pri] = req; |
303 |
} |
304 |
else |
305 |
q->qe[pri] = q->qs[pri] = req; |
306 |
|
307 |
return q->size++; |
308 |
} |
309 |
|
310 |
bdb_req reqq_shift (reqq *q) |
311 |
{ |
312 |
int pri; |
313 |
|
314 |
if (!q->size) |
315 |
return 0; |
316 |
|
317 |
--q->size; |
318 |
|
319 |
for (pri = NUM_PRI; pri--; ) |
320 |
{ |
321 |
bdb_req req = q->qs[pri]; |
322 |
|
323 |
if (req) |
324 |
{ |
325 |
if (!(q->qs[pri] = req->next)) |
326 |
q->qe[pri] = 0; |
327 |
|
328 |
return req; |
329 |
} |
330 |
} |
331 |
|
332 |
abort (); |
333 |
} |
334 |
|
335 |
static int poll_cb (void); |
336 |
static void req_free (bdb_req req); |
337 |
static void req_cancel (bdb_req req); |
338 |
|
339 |
static int req_invoke (bdb_req req) |
340 |
{ |
341 |
dSP; |
342 |
|
343 |
if (SvOK (req->callback)) |
344 |
{ |
345 |
ENTER; |
346 |
SAVETMPS; |
347 |
PUSHMARK (SP); |
348 |
|
349 |
switch (req->type) |
350 |
{ |
351 |
case REQ_DB_CLOSE: |
352 |
SvREFCNT_dec (req->sv1); |
353 |
break; |
354 |
|
355 |
case REQ_DB_GET: |
356 |
case REQ_DB_PGET: |
357 |
dbt_to_sv (req->sv3, &req->dbt3); |
358 |
break; |
359 |
|
360 |
case REQ_C_GET: |
361 |
case REQ_C_PGET: |
362 |
dbt_to_sv (req->sv1, &req->dbt1); |
363 |
dbt_to_sv (req->sv2, &req->dbt2); |
364 |
dbt_to_sv (req->sv3, &req->dbt3); |
365 |
break; |
366 |
|
367 |
case REQ_DB_PUT: |
368 |
case REQ_C_PUT: |
369 |
dbt_to_sv (0, &req->dbt1); |
370 |
dbt_to_sv (0, &req->dbt2); |
371 |
break; |
372 |
|
373 |
case REQ_DB_KEY_RANGE: |
374 |
{ |
375 |
AV *av = newAV (); |
376 |
|
377 |
av_push (av, newSVnv (req->key_range.less)); |
378 |
av_push (av, newSVnv (req->key_range.equal)); |
379 |
av_push (av, newSVnv (req->key_range.greater)); |
380 |
|
381 |
SvREADONLY_off (req->sv1); |
382 |
sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av)); |
383 |
SvREFCNT_dec (req->sv1); |
384 |
} |
385 |
break; |
386 |
|
387 |
case REQ_SEQ_GET: |
388 |
SvREADONLY_off (req->sv1); |
389 |
|
390 |
if (sizeof (IV) > 4) |
391 |
sv_setiv_mg (req->sv1, (IV)req->seq_t); |
392 |
else |
393 |
sv_setnv_mg (req->sv1, (NV)req->seq_t); |
394 |
|
395 |
SvREFCNT_dec (req->sv1); |
396 |
break; |
397 |
} |
398 |
|
399 |
errno = req->result; |
400 |
|
401 |
PUTBACK; |
402 |
call_sv (req->callback, G_VOID | G_EVAL); |
403 |
SPAGAIN; |
404 |
|
405 |
FREETMPS; |
406 |
LEAVE; |
407 |
} |
408 |
|
409 |
return !SvTRUE (ERRSV); |
410 |
} |
411 |
|
412 |
static void req_free (bdb_req req) |
413 |
{ |
414 |
free (req->buf1); |
415 |
free (req->buf2); |
416 |
Safefree (req); |
417 |
} |
418 |
|
419 |
#ifdef USE_SOCKETS_AS_HANDLES |
420 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
421 |
#else |
422 |
# define TO_SOCKET(x) (x) |
423 |
#endif |
424 |
|
425 |
static void |
426 |
create_respipe (void) |
427 |
{ |
428 |
#ifdef _WIN32 |
429 |
int arg; /* argg */ |
430 |
#endif |
431 |
int old_readfd = respipe [0]; |
432 |
|
433 |
if (respipe [1] >= 0) |
434 |
respipe_close (TO_SOCKET (respipe [1])); |
435 |
|
436 |
#ifdef _WIN32 |
437 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
438 |
#else |
439 |
if (pipe (respipe)) |
440 |
#endif |
441 |
croak ("unable to initialize result pipe"); |
442 |
|
443 |
if (old_readfd >= 0) |
444 |
{ |
445 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
446 |
croak ("unable to initialize result pipe(2)"); |
447 |
|
448 |
respipe_close (respipe [0]); |
449 |
respipe [0] = old_readfd; |
450 |
} |
451 |
|
452 |
#ifdef _WIN32 |
453 |
arg = 1; |
454 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
455 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
456 |
#else |
457 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
458 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
459 |
#endif |
460 |
croak ("unable to initialize result pipe(3)"); |
461 |
|
462 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
463 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
464 |
} |
465 |
|
466 |
X_THREAD_PROC (bdb_proc); |
467 |
|
468 |
static void start_thread (void) |
469 |
{ |
470 |
worker *wrk = calloc (1, sizeof (worker)); |
471 |
|
472 |
if (!wrk) |
473 |
croak ("unable to allocate worker thread data"); |
474 |
|
475 |
X_LOCK (wrklock); |
476 |
if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
477 |
{ |
478 |
wrk->prev = &wrk_first; |
479 |
wrk->next = wrk_first.next; |
480 |
wrk_first.next->prev = wrk; |
481 |
wrk_first.next = wrk; |
482 |
++started; |
483 |
} |
484 |
else |
485 |
free (wrk); |
486 |
|
487 |
X_UNLOCK (wrklock); |
488 |
} |
489 |
|
490 |
static void maybe_start_thread (void) |
491 |
{ |
492 |
if (get_nthreads () >= wanted) |
493 |
return; |
494 |
|
495 |
/* todo: maybe use idle here, but might be less exact */ |
496 |
if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
497 |
return; |
498 |
|
499 |
start_thread (); |
500 |
} |
501 |
|
502 |
static void req_send (bdb_req req) |
503 |
{ |
504 |
SV *wait_callback = 0; |
505 |
|
506 |
// synthesize callback if none given |
507 |
if (!SvOK (req->callback)) |
508 |
{ |
509 |
int count; |
510 |
|
511 |
dSP; |
512 |
PUSHMARK (SP); |
513 |
PUTBACK; |
514 |
count = call_sv (prepare_cb, G_ARRAY); |
515 |
SPAGAIN; |
516 |
|
517 |
if (count != 2) |
518 |
croak ("prepare callback must return exactly two values\n"); |
519 |
|
520 |
wait_callback = POPs; |
521 |
SvREFCNT_dec (req->callback); |
522 |
req->callback = SvREFCNT_inc (POPs); |
523 |
} |
524 |
|
525 |
++nreqs; |
526 |
|
527 |
X_LOCK (reqlock); |
528 |
++nready; |
529 |
reqq_push (&req_queue, req); |
530 |
X_COND_SIGNAL (reqwait); |
531 |
X_UNLOCK (reqlock); |
532 |
|
533 |
maybe_start_thread (); |
534 |
|
535 |
if (wait_callback) |
536 |
{ |
537 |
dSP; |
538 |
PUSHMARK (SP); |
539 |
PUTBACK; |
540 |
call_sv (wait_callback, G_DISCARD); |
541 |
} |
542 |
} |
543 |
|
544 |
static void end_thread (void) |
545 |
{ |
546 |
bdb_req req; |
547 |
|
548 |
Newz (0, req, 1, bdb_cb); |
549 |
|
550 |
req->type = REQ_QUIT; |
551 |
req->pri = PRI_MAX + PRI_BIAS; |
552 |
|
553 |
X_LOCK (reqlock); |
554 |
reqq_push (&req_queue, req); |
555 |
X_COND_SIGNAL (reqwait); |
556 |
X_UNLOCK (reqlock); |
557 |
|
558 |
X_LOCK (wrklock); |
559 |
--started; |
560 |
X_UNLOCK (wrklock); |
561 |
} |
562 |
|
563 |
static void set_max_idle (int nthreads) |
564 |
{ |
565 |
if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
566 |
max_idle = nthreads <= 0 ? 1 : nthreads; |
567 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
568 |
} |
569 |
|
570 |
static void min_parallel (int nthreads) |
571 |
{ |
572 |
if (wanted < nthreads) |
573 |
wanted = nthreads; |
574 |
} |
575 |
|
576 |
static void max_parallel (int nthreads) |
577 |
{ |
578 |
if (wanted > nthreads) |
579 |
wanted = nthreads; |
580 |
|
581 |
while (started > wanted) |
582 |
end_thread (); |
583 |
} |
584 |
|
585 |
static void poll_wait (void) |
586 |
{ |
587 |
fd_set rfd; |
588 |
|
589 |
while (nreqs) |
590 |
{ |
591 |
int size; |
592 |
if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
593 |
size = res_queue.size; |
594 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
595 |
|
596 |
if (size) |
597 |
return; |
598 |
|
599 |
maybe_start_thread (); |
600 |
|
601 |
FD_ZERO (&rfd); |
602 |
FD_SET (respipe [0], &rfd); |
603 |
|
604 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
605 |
} |
606 |
} |
607 |
|
608 |
static int poll_cb (void) |
609 |
{ |
610 |
dSP; |
611 |
int count = 0; |
612 |
int maxreqs = max_poll_reqs; |
613 |
int do_croak = 0; |
614 |
struct timeval tv_start, tv_now; |
615 |
bdb_req req; |
616 |
|
617 |
if (max_poll_time) |
618 |
gettimeofday (&tv_start, 0); |
619 |
|
620 |
for (;;) |
621 |
{ |
622 |
for (;;) |
623 |
{ |
624 |
maybe_start_thread (); |
625 |
|
626 |
X_LOCK (reslock); |
627 |
req = reqq_shift (&res_queue); |
628 |
|
629 |
if (req) |
630 |
{ |
631 |
--npending; |
632 |
|
633 |
if (!res_queue.size) |
634 |
{ |
635 |
/* read any signals sent by the worker threads */ |
636 |
char buf [4]; |
637 |
while (respipe_read (respipe [0], buf, 4) == 4) |
638 |
; |
639 |
} |
640 |
} |
641 |
|
642 |
X_UNLOCK (reslock); |
643 |
|
644 |
if (!req) |
645 |
break; |
646 |
|
647 |
--nreqs; |
648 |
|
649 |
if (!req_invoke (req)) |
650 |
{ |
651 |
req_free (req); |
652 |
croak (0); |
653 |
} |
654 |
|
655 |
count++; |
656 |
|
657 |
req_free (req); |
658 |
|
659 |
if (maxreqs && !--maxreqs) |
660 |
break; |
661 |
|
662 |
if (max_poll_time) |
663 |
{ |
664 |
gettimeofday (&tv_now, 0); |
665 |
|
666 |
if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
667 |
break; |
668 |
} |
669 |
} |
670 |
|
671 |
if (nreqs <= max_outstanding) |
672 |
break; |
673 |
|
674 |
poll_wait (); |
675 |
|
676 |
++maxreqs; |
677 |
} |
678 |
|
679 |
return count; |
680 |
} |
681 |
|
682 |
/*****************************************************************************/ |
683 |
|
684 |
X_THREAD_PROC (bdb_proc) |
685 |
{ |
686 |
bdb_req req; |
687 |
struct timespec ts; |
688 |
worker *self = (worker *)thr_arg; |
689 |
|
690 |
/* try to distribute timeouts somewhat evenly */ |
691 |
ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
692 |
|
693 |
for (;;) |
694 |
{ |
695 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
696 |
|
697 |
X_LOCK (reqlock); |
698 |
|
699 |
for (;;) |
700 |
{ |
701 |
self->req = req = reqq_shift (&req_queue); |
702 |
|
703 |
if (req) |
704 |
break; |
705 |
|
706 |
++idle; |
707 |
|
708 |
if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
709 |
== ETIMEDOUT) |
710 |
{ |
711 |
if (idle > max_idle) |
712 |
{ |
713 |
--idle; |
714 |
X_UNLOCK (reqlock); |
715 |
X_LOCK (wrklock); |
716 |
--started; |
717 |
X_UNLOCK (wrklock); |
718 |
goto quit; |
719 |
} |
720 |
|
721 |
/* we are allowed to idle, so do so without any timeout */ |
722 |
X_COND_WAIT (reqwait, reqlock); |
723 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
724 |
} |
725 |
|
726 |
--idle; |
727 |
} |
728 |
|
729 |
--nready; |
730 |
|
731 |
X_UNLOCK (reqlock); |
732 |
|
733 |
switch (req->type) |
734 |
{ |
735 |
case REQ_QUIT: |
736 |
req->result = ENOSYS; |
737 |
goto quit; |
738 |
|
739 |
case REQ_ENV_OPEN: |
740 |
req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
741 |
break; |
742 |
|
743 |
case REQ_ENV_CLOSE: |
744 |
req->result = req->env->close (req->env, req->uint1); |
745 |
break; |
746 |
|
747 |
case REQ_ENV_TXN_CHECKPOINT: |
748 |
req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2); |
749 |
break; |
750 |
|
751 |
case REQ_ENV_LOCK_DETECT: |
752 |
req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1); |
753 |
break; |
754 |
|
755 |
case REQ_ENV_MEMP_SYNC: |
756 |
req->result = req->env->memp_sync (req->env, 0); |
757 |
break; |
758 |
|
759 |
case REQ_ENV_MEMP_TRICKLE: |
760 |
req->result = req->env->memp_trickle (req->env, req->int1, &req->int2); |
761 |
break; |
762 |
|
763 |
case REQ_DB_OPEN: |
764 |
req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); |
765 |
break; |
766 |
|
767 |
case REQ_DB_CLOSE: |
768 |
req->result = req->db->close (req->db, req->uint1); |
769 |
break; |
770 |
|
771 |
case REQ_DB_COMPACT: |
772 |
req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0); |
773 |
break; |
774 |
|
775 |
case REQ_DB_SYNC: |
776 |
req->result = req->db->sync (req->db, req->uint1); |
777 |
break; |
778 |
|
779 |
case REQ_DB_UPGRADE: |
780 |
req->result = req->db->upgrade (req->db, req->buf1, req->uint1); |
781 |
break; |
782 |
|
783 |
case REQ_DB_PUT: |
784 |
req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); |
785 |
break; |
786 |
|
787 |
case REQ_DB_GET: |
788 |
req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1); |
789 |
break; |
790 |
|
791 |
case REQ_DB_PGET: |
792 |
req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
793 |
break; |
794 |
|
795 |
case REQ_DB_DEL: |
796 |
req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); |
797 |
break; |
798 |
|
799 |
case REQ_DB_KEY_RANGE: |
800 |
req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1); |
801 |
break; |
802 |
|
803 |
case REQ_TXN_COMMIT: |
804 |
req->result = req->txn->commit (req->txn, req->uint1); |
805 |
break; |
806 |
|
807 |
case REQ_TXN_ABORT: |
808 |
req->result = req->txn->abort (req->txn); |
809 |
break; |
810 |
|
811 |
case REQ_TXN_FINISH: |
812 |
if (req->txn->flags & TXN_DEADLOCK) |
813 |
{ |
814 |
req->result = req->txn->abort (req->txn); |
815 |
if (!req->result) |
816 |
req->result = DB_LOCK_DEADLOCK; |
817 |
} |
818 |
else |
819 |
req->result = req->txn->commit (req->txn, req->uint1); |
820 |
break; |
821 |
|
822 |
case REQ_C_CLOSE: |
823 |
req->result = req->dbc->c_close (req->dbc); |
824 |
break; |
825 |
|
826 |
case REQ_C_COUNT: |
827 |
{ |
828 |
db_recno_t recno; |
829 |
req->result = req->dbc->c_count (req->dbc, &recno, req->uint1); |
830 |
req->uv1 = recno; |
831 |
} |
832 |
break; |
833 |
|
834 |
case REQ_C_PUT: |
835 |
req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1); |
836 |
break; |
837 |
|
838 |
case REQ_C_GET: |
839 |
req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1); |
840 |
break; |
841 |
|
842 |
case REQ_C_PGET: |
843 |
req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
844 |
break; |
845 |
|
846 |
case REQ_C_DEL: |
847 |
req->result = req->dbc->c_del (req->dbc, req->uint1); |
848 |
break; |
849 |
|
850 |
case REQ_SEQ_OPEN: |
851 |
req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1); |
852 |
break; |
853 |
|
854 |
case REQ_SEQ_CLOSE: |
855 |
req->result = req->seq->close (req->seq, req->uint1); |
856 |
break; |
857 |
|
858 |
case REQ_SEQ_GET: |
859 |
req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1); |
860 |
break; |
861 |
|
862 |
case REQ_SEQ_REMOVE: |
863 |
req->result = req->seq->remove (req->seq, req->txn, req->uint1); |
864 |
break; |
865 |
|
866 |
default: |
867 |
req->result = ENOSYS; |
868 |
break; |
869 |
} |
870 |
|
871 |
if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED)) |
872 |
req->txn->flags |= TXN_DEADLOCK; |
873 |
|
874 |
X_LOCK (reslock); |
875 |
|
876 |
++npending; |
877 |
|
878 |
if (!reqq_push (&res_queue, req)) |
879 |
/* write a dummy byte to the pipe so fh becomes ready */ |
880 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
881 |
|
882 |
self->req = 0; |
883 |
worker_clear (self); |
884 |
|
885 |
X_UNLOCK (reslock); |
886 |
} |
887 |
|
888 |
quit: |
889 |
X_LOCK (wrklock); |
890 |
worker_free (self); |
891 |
X_UNLOCK (wrklock); |
892 |
|
893 |
return 0; |
894 |
} |
895 |
|
896 |
/*****************************************************************************/ |
897 |
|
898 |
static void atfork_prepare (void) |
899 |
{ |
900 |
X_LOCK (wrklock); |
901 |
X_LOCK (reqlock); |
902 |
X_LOCK (reslock); |
903 |
} |
904 |
|
905 |
static void atfork_parent (void) |
906 |
{ |
907 |
X_UNLOCK (reslock); |
908 |
X_UNLOCK (reqlock); |
909 |
X_UNLOCK (wrklock); |
910 |
} |
911 |
|
912 |
static void atfork_child (void) |
913 |
{ |
914 |
bdb_req prv; |
915 |
|
916 |
while (prv = reqq_shift (&req_queue)) |
917 |
req_free (prv); |
918 |
|
919 |
while (prv = reqq_shift (&res_queue)) |
920 |
req_free (prv); |
921 |
|
922 |
while (wrk_first.next != &wrk_first) |
923 |
{ |
924 |
worker *wrk = wrk_first.next; |
925 |
|
926 |
if (wrk->req) |
927 |
req_free (wrk->req); |
928 |
|
929 |
worker_clear (wrk); |
930 |
worker_free (wrk); |
931 |
} |
932 |
|
933 |
started = 0; |
934 |
idle = 0; |
935 |
nreqs = 0; |
936 |
nready = 0; |
937 |
npending = 0; |
938 |
|
939 |
create_respipe (); |
940 |
|
941 |
atfork_parent (); |
942 |
} |
943 |
|
944 |
#define dREQ(reqtype) \ |
945 |
bdb_req req; \ |
946 |
int req_pri = next_pri; \ |
947 |
next_pri = DEFAULT_PRI + PRI_BIAS; \ |
948 |
\ |
949 |
if (SvOK (callback) && !SvROK (callback)) \ |
950 |
croak ("callback must be undef or of reference type"); \ |
951 |
\ |
952 |
Newz (0, req, 1, bdb_cb); \ |
953 |
if (!req) \ |
954 |
croak ("out of memory during bdb_req allocation"); \ |
955 |
\ |
956 |
req->callback = newSVsv (callback); \ |
957 |
req->type = (reqtype); \ |
958 |
req->pri = req_pri |
959 |
|
960 |
#define REQ_SEND \ |
961 |
req_send (req) |
962 |
|
963 |
#define SvPTR(var, arg, type, class, nullok) \ |
964 |
if (!SvOK (arg)) \ |
965 |
{ \ |
966 |
if (nullok != 1) \ |
967 |
croak (# var " must be a " # class " object, not undef"); \ |
968 |
\ |
969 |
(var) = 0; \ |
970 |
} \ |
971 |
else if (sv_derived_from ((arg), # class)) \ |
972 |
{ \ |
973 |
IV tmp = SvIV ((SV*) SvRV (arg)); \ |
974 |
(var) = INT2PTR (type, tmp); \ |
975 |
if (!var && nullok != 2) \ |
976 |
croak (# var " is not a valid " # class " object anymore"); \ |
977 |
} \ |
978 |
else \ |
979 |
croak (# var " is not of type " # class); \ |
980 |
\ |
981 |
|
982 |
static void |
983 |
ptr_nuke (SV *sv) |
984 |
{ |
985 |
assert (SvROK (sv)); |
986 |
sv_setiv (SvRV (sv), 0); |
987 |
} |
988 |
|
989 |
static int |
990 |
errno_get (pTHX_ SV *sv, MAGIC *mg) |
991 |
{ |
992 |
if (*mg->mg_ptr == '!') // should always be the case |
993 |
if (-30999 <= errno && errno <= -30800) |
994 |
{ |
995 |
sv_setnv (sv, (NV)errno); |
996 |
sv_setpv (sv, db_strerror (errno)); |
997 |
SvNOK_on (sv); /* what a wonderful hack! */ |
998 |
// ^^^ copied from perl sources |
999 |
return 0; |
1000 |
} |
1001 |
|
1002 |
return PL_vtbl_sv.svt_get (aTHX_ sv, mg); |
1003 |
} |
1004 |
|
1005 |
static MGVTBL vtbl_errno; |
1006 |
|
1007 |
// this wonderful hack :( patches perl's $! variable to support our errno values |
1008 |
static void |
1009 |
patch_errno (void) |
1010 |
{ |
1011 |
SV *sv; |
1012 |
MAGIC *mg; |
1013 |
|
1014 |
if (!(sv = get_sv ("!", 1))) |
1015 |
return; |
1016 |
|
1017 |
if (!(mg = mg_find (sv, PERL_MAGIC_sv))) |
1018 |
return; |
1019 |
|
1020 |
if (mg->mg_virtual != &PL_vtbl_sv) |
1021 |
return; |
1022 |
|
1023 |
vtbl_errno = PL_vtbl_sv; |
1024 |
vtbl_errno.svt_get = errno_get; |
1025 |
mg->mg_virtual = &vtbl_errno; |
1026 |
} |
1027 |
|
1028 |
MODULE = BDB PACKAGE = BDB |
1029 |
|
1030 |
PROTOTYPES: ENABLE |
1031 |
|
1032 |
BOOT: |
1033 |
{ |
1034 |
HV *stash = gv_stashpv ("BDB", 1); |
1035 |
|
1036 |
static const struct { |
1037 |
const char *name; |
1038 |
IV iv; |
1039 |
} *civ, const_iv[] = { |
1040 |
#define const_iv(name) { # name, (IV)DB_ ## name }, |
1041 |
const_iv (RPCCLIENT) |
1042 |
const_iv (INIT_CDB) |
1043 |
const_iv (INIT_LOCK) |
1044 |
const_iv (INIT_LOG) |
1045 |
const_iv (INIT_MPOOL) |
1046 |
const_iv (INIT_REP) |
1047 |
const_iv (INIT_TXN) |
1048 |
const_iv (RECOVER) |
1049 |
const_iv (INIT_TXN) |
1050 |
const_iv (RECOVER_FATAL) |
1051 |
const_iv (CREATE) |
1052 |
const_iv (RDONLY) |
1053 |
const_iv (USE_ENVIRON) |
1054 |
const_iv (USE_ENVIRON_ROOT) |
1055 |
const_iv (LOCKDOWN) |
1056 |
const_iv (PRIVATE) |
1057 |
const_iv (REGISTER) |
1058 |
const_iv (SYSTEM_MEM) |
1059 |
const_iv (AUTO_COMMIT) |
1060 |
const_iv (CDB_ALLDB) |
1061 |
const_iv (DIRECT_DB) |
1062 |
const_iv (DIRECT_LOG) |
1063 |
const_iv (DSYNC_DB) |
1064 |
const_iv (DSYNC_LOG) |
1065 |
const_iv (LOG_AUTOREMOVE) |
1066 |
const_iv (LOG_INMEMORY) |
1067 |
const_iv (NOLOCKING) |
1068 |
const_iv (NOMMAP) |
1069 |
const_iv (NOPANIC) |
1070 |
const_iv (OVERWRITE) |
1071 |
const_iv (PANIC_ENVIRONMENT) |
1072 |
const_iv (REGION_INIT) |
1073 |
const_iv (TIME_NOTGRANTED) |
1074 |
const_iv (TXN_NOSYNC) |
1075 |
const_iv (TXN_NOT_DURABLE) |
1076 |
const_iv (TXN_WRITE_NOSYNC) |
1077 |
const_iv (WRITECURSOR) |
1078 |
const_iv (YIELDCPU) |
1079 |
const_iv (ENCRYPT_AES) |
1080 |
const_iv (XA_CREATE) |
1081 |
const_iv (BTREE) |
1082 |
const_iv (HASH) |
1083 |
const_iv (QUEUE) |
1084 |
const_iv (RECNO) |
1085 |
const_iv (UNKNOWN) |
1086 |
const_iv (EXCL) |
1087 |
const_iv (READ_COMMITTED) |
1088 |
const_iv (READ_UNCOMMITTED) |
1089 |
const_iv (TRUNCATE) |
1090 |
const_iv (NOSYNC) |
1091 |
const_iv (CHKSUM) |
1092 |
const_iv (ENCRYPT) |
1093 |
const_iv (DUP) |
1094 |
const_iv (DUPSORT) |
1095 |
const_iv (RECNUM) |
1096 |
const_iv (RENUMBER) |
1097 |
const_iv (REVSPLITOFF) |
1098 |
const_iv (INORDER) |
1099 |
const_iv (CONSUME) |
1100 |
const_iv (CONSUME_WAIT) |
1101 |
const_iv (GET_BOTH) |
1102 |
const_iv (GET_BOTH_RANGE) |
1103 |
//const_iv (SET_RECNO) |
1104 |
//const_iv (MULTIPLE) |
1105 |
const_iv (SNAPSHOT) |
1106 |
const_iv (JOIN_ITEM) |
1107 |
const_iv (JOIN_NOSORT) |
1108 |
const_iv (RMW) |
1109 |
|
1110 |
const_iv (NOTFOUND) |
1111 |
const_iv (KEYEMPTY) |
1112 |
const_iv (LOCK_DEADLOCK) |
1113 |
const_iv (LOCK_NOTGRANTED) |
1114 |
const_iv (RUNRECOVERY) |
1115 |
const_iv (OLD_VERSION) |
1116 |
const_iv (REP_HANDLE_DEAD) |
1117 |
const_iv (REP_LOCKOUT) |
1118 |
const_iv (SECONDARY_BAD) |
1119 |
|
1120 |
const_iv (FREE_SPACE) |
1121 |
const_iv (FREELIST_ONLY) |
1122 |
|
1123 |
const_iv (APPEND) |
1124 |
const_iv (NODUPDATA) |
1125 |
const_iv (NOOVERWRITE) |
1126 |
|
1127 |
const_iv (TXN_NOWAIT) |
1128 |
const_iv (TXN_SYNC) |
1129 |
|
1130 |
const_iv (SET_LOCK_TIMEOUT) |
1131 |
const_iv (SET_TXN_TIMEOUT) |
1132 |
|
1133 |
const_iv (FIRST) |
1134 |
const_iv (NEXT) |
1135 |
const_iv (NEXT_DUP) |
1136 |
const_iv (NEXT_NODUP) |
1137 |
const_iv (PREV) |
1138 |
const_iv (PREV_NODUP) |
1139 |
const_iv (SET) |
1140 |
const_iv (SET_RANGE) |
1141 |
const_iv (LAST) |
1142 |
const_iv (BEFORE) |
1143 |
const_iv (AFTER) |
1144 |
const_iv (CURRENT) |
1145 |
const_iv (KEYFIRST) |
1146 |
const_iv (KEYLAST) |
1147 |
const_iv (NODUPDATA) |
1148 |
|
1149 |
const_iv (FORCE) |
1150 |
|
1151 |
const_iv (LOCK_DEFAULT) |
1152 |
const_iv (LOCK_EXPIRE) |
1153 |
const_iv (LOCK_MAXLOCKS) |
1154 |
const_iv (LOCK_MAXWRITE) |
1155 |
const_iv (LOCK_MINLOCKS) |
1156 |
const_iv (LOCK_MINWRITE) |
1157 |
const_iv (LOCK_OLDEST) |
1158 |
const_iv (LOCK_RANDOM) |
1159 |
const_iv (LOCK_YOUNGEST) |
1160 |
|
1161 |
const_iv (SEQ_DEC) |
1162 |
const_iv (SEQ_INC) |
1163 |
const_iv (SEQ_WRAP) |
1164 |
|
1165 |
const_iv (BUFFER_SMALL) |
1166 |
const_iv (DONOTINDEX) |
1167 |
const_iv (KEYEMPTY ) |
1168 |
const_iv (KEYEXIST ) |
1169 |
const_iv (LOCK_DEADLOCK) |
1170 |
const_iv (LOCK_NOTGRANTED) |
1171 |
const_iv (LOG_BUFFER_FULL) |
1172 |
const_iv (NOSERVER) |
1173 |
const_iv (NOSERVER_HOME) |
1174 |
const_iv (NOSERVER_ID) |
1175 |
const_iv (NOTFOUND) |
1176 |
const_iv (PAGE_NOTFOUND) |
1177 |
const_iv (REP_DUPMASTER) |
1178 |
const_iv (REP_HANDLE_DEAD) |
1179 |
const_iv (REP_HOLDELECTION) |
1180 |
const_iv (REP_IGNORE) |
1181 |
const_iv (REP_ISPERM) |
1182 |
const_iv (REP_JOIN_FAILURE) |
1183 |
const_iv (REP_LOCKOUT) |
1184 |
const_iv (REP_NEWMASTER) |
1185 |
const_iv (REP_NEWSITE) |
1186 |
const_iv (REP_NOTPERM) |
1187 |
const_iv (REP_UNAVAIL) |
1188 |
const_iv (RUNRECOVERY) |
1189 |
const_iv (SECONDARY_BAD) |
1190 |
const_iv (VERIFY_BAD) |
1191 |
const_iv (VERSION_MISMATCH) |
1192 |
|
1193 |
const_iv (VERB_DEADLOCK) |
1194 |
const_iv (VERB_RECOVERY) |
1195 |
const_iv (VERB_REGISTER) |
1196 |
const_iv (VERB_REPLICATION) |
1197 |
const_iv (VERB_WAITSFOR) |
1198 |
|
1199 |
const_iv (VERSION_MAJOR) |
1200 |
const_iv (VERSION_MINOR) |
1201 |
const_iv (VERSION_PATCH) |
1202 |
#if DB_VERSION_MINOR >= 5 |
1203 |
const_iv (MULTIVERSION) |
1204 |
const_iv (TXN_SNAPSHOT) |
1205 |
#endif |
1206 |
#if DB_VERSION_MINOR >= 6 |
1207 |
const_iv (PREV_DUP) |
1208 |
const_iv (PRIORITY_UNCHANGED) |
1209 |
const_iv (PRIORITY_VERY_LOW) |
1210 |
const_iv (PRIORITY_LOW) |
1211 |
const_iv (PRIORITY_DEFAULT) |
1212 |
const_iv (PRIORITY_HIGH) |
1213 |
const_iv (PRIORITY_VERY_HIGH) |
1214 |
#endif |
1215 |
}; |
1216 |
|
1217 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1218 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1219 |
|
1220 |
newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); |
1221 |
newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
1222 |
|
1223 |
create_respipe (); |
1224 |
|
1225 |
X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1226 |
#ifdef _WIN32 |
1227 |
X_MUTEX_CHECK (wrklock); |
1228 |
X_MUTEX_CHECK (reslock); |
1229 |
X_MUTEX_CHECK (reqlock); |
1230 |
|
1231 |
X_COND_CHECK (reqwait); |
1232 |
#endif |
1233 |
patch_errno (); |
1234 |
} |
1235 |
|
1236 |
void |
1237 |
max_poll_reqs (int nreqs) |
1238 |
PROTOTYPE: $ |
1239 |
CODE: |
1240 |
max_poll_reqs = nreqs; |
1241 |
|
1242 |
void |
1243 |
max_poll_time (double nseconds) |
1244 |
PROTOTYPE: $ |
1245 |
CODE: |
1246 |
max_poll_time = nseconds * AIO_TICKS; |
1247 |
|
1248 |
void |
1249 |
min_parallel (int nthreads) |
1250 |
PROTOTYPE: $ |
1251 |
|
1252 |
void |
1253 |
max_parallel (int nthreads) |
1254 |
PROTOTYPE: $ |
1255 |
|
1256 |
void |
1257 |
max_idle (int nthreads) |
1258 |
PROTOTYPE: $ |
1259 |
CODE: |
1260 |
set_max_idle (nthreads); |
1261 |
|
1262 |
int |
1263 |
max_outstanding (int maxreqs) |
1264 |
PROTOTYPE: $ |
1265 |
CODE: |
1266 |
RETVAL = max_outstanding; |
1267 |
max_outstanding = maxreqs; |
1268 |
OUTPUT: |
1269 |
RETVAL |
1270 |
|
1271 |
int |
1272 |
dbreq_pri (int pri = 0) |
1273 |
PROTOTYPE: ;$ |
1274 |
CODE: |
1275 |
RETVAL = next_pri - PRI_BIAS; |
1276 |
if (items > 0) |
1277 |
{ |
1278 |
if (pri < PRI_MIN) pri = PRI_MIN; |
1279 |
if (pri > PRI_MAX) pri = PRI_MAX; |
1280 |
next_pri = pri + PRI_BIAS; |
1281 |
} |
1282 |
OUTPUT: |
1283 |
RETVAL |
1284 |
|
1285 |
void |
1286 |
dbreq_nice (int nice = 0) |
1287 |
CODE: |
1288 |
nice = next_pri - nice; |
1289 |
if (nice < PRI_MIN) nice = PRI_MIN; |
1290 |
if (nice > PRI_MAX) nice = PRI_MAX; |
1291 |
next_pri = nice + PRI_BIAS; |
1292 |
|
1293 |
void |
1294 |
flush () |
1295 |
PROTOTYPE: |
1296 |
CODE: |
1297 |
while (nreqs) |
1298 |
{ |
1299 |
poll_wait (); |
1300 |
poll_cb (); |
1301 |
} |
1302 |
|
1303 |
int |
1304 |
poll () |
1305 |
PROTOTYPE: |
1306 |
CODE: |
1307 |
poll_wait (); |
1308 |
RETVAL = poll_cb (); |
1309 |
OUTPUT: |
1310 |
RETVAL |
1311 |
|
1312 |
int |
1313 |
poll_fileno () |
1314 |
PROTOTYPE: |
1315 |
CODE: |
1316 |
RETVAL = respipe [0]; |
1317 |
OUTPUT: |
1318 |
RETVAL |
1319 |
|
1320 |
int |
1321 |
poll_cb (...) |
1322 |
PROTOTYPE: |
1323 |
CODE: |
1324 |
RETVAL = poll_cb (); |
1325 |
OUTPUT: |
1326 |
RETVAL |
1327 |
|
1328 |
void |
1329 |
poll_wait () |
1330 |
PROTOTYPE: |
1331 |
CODE: |
1332 |
poll_wait (); |
1333 |
|
1334 |
int |
1335 |
nreqs () |
1336 |
PROTOTYPE: |
1337 |
CODE: |
1338 |
RETVAL = nreqs; |
1339 |
OUTPUT: |
1340 |
RETVAL |
1341 |
|
1342 |
int |
1343 |
nready () |
1344 |
PROTOTYPE: |
1345 |
CODE: |
1346 |
RETVAL = get_nready (); |
1347 |
OUTPUT: |
1348 |
RETVAL |
1349 |
|
1350 |
int |
1351 |
npending () |
1352 |
PROTOTYPE: |
1353 |
CODE: |
1354 |
RETVAL = get_npending (); |
1355 |
OUTPUT: |
1356 |
RETVAL |
1357 |
|
1358 |
int |
1359 |
nthreads () |
1360 |
PROTOTYPE: |
1361 |
CODE: |
1362 |
if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1363 |
RETVAL = started; |
1364 |
if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1365 |
OUTPUT: |
1366 |
RETVAL |
1367 |
|
1368 |
void |
1369 |
set_sync_prepare (SV *cb) |
1370 |
PROTOTYPE: & |
1371 |
CODE: |
1372 |
SvREFCNT_dec (prepare_cb); |
1373 |
prepare_cb = newSVsv (cb); |
1374 |
|
1375 |
char * |
1376 |
strerror (int errorno = errno) |
1377 |
PROTOTYPE: ;$ |
1378 |
CODE: |
1379 |
RETVAL = db_strerror (errorno); |
1380 |
OUTPUT: |
1381 |
RETVAL |
1382 |
|
1383 |
DB_ENV * |
1384 |
db_env_create (U32 env_flags = 0) |
1385 |
CODE: |
1386 |
{ |
1387 |
errno = db_env_create (&RETVAL, env_flags); |
1388 |
if (errno) |
1389 |
croak ("db_env_create: %s", db_strerror (errno)); |
1390 |
|
1391 |
if (0) |
1392 |
{ |
1393 |
RETVAL->set_errcall (RETVAL, debug_errcall); |
1394 |
RETVAL->set_msgcall (RETVAL, debug_msgcall); |
1395 |
} |
1396 |
} |
1397 |
OUTPUT: |
1398 |
RETVAL |
1399 |
|
1400 |
void |
1401 |
db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1402 |
CODE: |
1403 |
{ |
1404 |
dREQ (REQ_ENV_OPEN); |
1405 |
|
1406 |
req->env = env; |
1407 |
req->uint1 = open_flags | DB_THREAD; |
1408 |
req->int1 = mode; |
1409 |
req->buf1 = strdup_ornull (db_home); |
1410 |
REQ_SEND; |
1411 |
} |
1412 |
|
1413 |
void |
1414 |
db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef) |
1415 |
CODE: |
1416 |
{ |
1417 |
dREQ (REQ_ENV_CLOSE); |
1418 |
req->env = env; |
1419 |
req->uint1 = flags; |
1420 |
REQ_SEND; |
1421 |
ptr_nuke (ST (0)); |
1422 |
} |
1423 |
|
1424 |
void |
1425 |
db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
1426 |
CODE: |
1427 |
{ |
1428 |
dREQ (REQ_ENV_TXN_CHECKPOINT); |
1429 |
req->env = env; |
1430 |
req->uint1 = kbyte; |
1431 |
req->int1 = min; |
1432 |
req->uint2 = flags; |
1433 |
REQ_SEND; |
1434 |
} |
1435 |
|
1436 |
void |
1437 |
db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1438 |
CODE: |
1439 |
{ |
1440 |
dREQ (REQ_ENV_LOCK_DETECT); |
1441 |
req->env = env; |
1442 |
req->uint1 = flags; |
1443 |
req->uint2 = atype; |
1444 |
REQ_SEND; |
1445 |
} |
1446 |
|
1447 |
void |
1448 |
db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1449 |
CODE: |
1450 |
{ |
1451 |
dREQ (REQ_ENV_MEMP_SYNC); |
1452 |
req->env = env; |
1453 |
REQ_SEND; |
1454 |
} |
1455 |
|
1456 |
void |
1457 |
db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef) |
1458 |
CODE: |
1459 |
{ |
1460 |
dREQ (REQ_ENV_MEMP_TRICKLE); |
1461 |
req->env = env; |
1462 |
req->int1 = percent; |
1463 |
REQ_SEND; |
1464 |
} |
1465 |
|
1466 |
|
1467 |
DB * |
1468 |
db_create (DB_ENV *env = 0, U32 flags = 0) |
1469 |
CODE: |
1470 |
{ |
1471 |
errno = db_create (&RETVAL, env, flags); |
1472 |
if (errno) |
1473 |
croak ("db_create: %s", db_strerror (errno)); |
1474 |
|
1475 |
if (RETVAL) |
1476 |
RETVAL->app_private = (void *)newSVsv (ST (0)); |
1477 |
} |
1478 |
OUTPUT: |
1479 |
RETVAL |
1480 |
|
1481 |
void |
1482 |
db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) |
1483 |
CODE: |
1484 |
{ |
1485 |
dREQ (REQ_DB_OPEN); |
1486 |
req->db = db; |
1487 |
req->txn = txnid; |
1488 |
req->buf1 = strdup_ornull (file); |
1489 |
req->buf2 = strdup_ornull (database); |
1490 |
req->int1 = type; |
1491 |
req->uint1 = flags | DB_THREAD; |
1492 |
req->int2 = mode; |
1493 |
REQ_SEND; |
1494 |
} |
1495 |
|
1496 |
void |
1497 |
db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1498 |
CODE: |
1499 |
{ |
1500 |
dREQ (REQ_DB_CLOSE); |
1501 |
req->db = db; |
1502 |
req->uint1 = flags; |
1503 |
req->sv1 = (SV *)db->app_private; |
1504 |
REQ_SEND; |
1505 |
ptr_nuke (ST (0)); |
1506 |
} |
1507 |
|
1508 |
void |
1509 |
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) |
1510 |
CODE: |
1511 |
{ |
1512 |
dREQ (REQ_DB_COMPACT); |
1513 |
req->db = db; |
1514 |
req->txn = txn; |
1515 |
sv_to_dbt (&req->dbt1, start); |
1516 |
sv_to_dbt (&req->dbt2, stop); |
1517 |
req->uint1 = flags; |
1518 |
REQ_SEND; |
1519 |
} |
1520 |
|
1521 |
void |
1522 |
db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1523 |
CODE: |
1524 |
{ |
1525 |
dREQ (REQ_DB_SYNC); |
1526 |
req->db = db; |
1527 |
req->uint1 = flags; |
1528 |
REQ_SEND; |
1529 |
} |
1530 |
|
1531 |
void |
1532 |
db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef) |
1533 |
CODE: |
1534 |
{ |
1535 |
dREQ (REQ_DB_SYNC); |
1536 |
req->db = db; |
1537 |
req->buf1 = strdup (file); |
1538 |
req->uint1 = flags; |
1539 |
REQ_SEND; |
1540 |
} |
1541 |
|
1542 |
void |
1543 |
db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) |
1544 |
CODE: |
1545 |
{ |
1546 |
dREQ (REQ_DB_KEY_RANGE); |
1547 |
req->db = db; |
1548 |
req->txn = txn; |
1549 |
sv_to_dbt (&req->dbt1, key); |
1550 |
req->uint1 = flags; |
1551 |
req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range); |
1552 |
REQ_SEND; |
1553 |
} |
1554 |
|
1555 |
void |
1556 |
db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1557 |
CODE: |
1558 |
{ |
1559 |
dREQ (REQ_DB_PUT); |
1560 |
req->db = db; |
1561 |
req->txn = txn; |
1562 |
sv_to_dbt (&req->dbt1, key); |
1563 |
sv_to_dbt (&req->dbt2, data); |
1564 |
req->uint1 = flags; |
1565 |
REQ_SEND; |
1566 |
} |
1567 |
|
1568 |
void |
1569 |
db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1570 |
CODE: |
1571 |
if (SvREADONLY (data)) |
1572 |
croak ("can't modify read-only data scalar in db_get"); |
1573 |
{ |
1574 |
dREQ (REQ_DB_GET); |
1575 |
req->db = db; |
1576 |
req->txn = txn; |
1577 |
req->uint1 = flags; |
1578 |
sv_to_dbt (&req->dbt1, key); |
1579 |
req->dbt3.flags = DB_DBT_MALLOC; |
1580 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1581 |
REQ_SEND; |
1582 |
} |
1583 |
|
1584 |
void |
1585 |
db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1586 |
CODE: |
1587 |
if (SvREADONLY (data)) |
1588 |
croak ("can't modify read-only data scalar in db_pget"); |
1589 |
{ |
1590 |
dREQ (REQ_DB_PGET); |
1591 |
req->db = db; |
1592 |
req->txn = txn; |
1593 |
req->uint1 = flags; |
1594 |
sv_to_dbt (&req->dbt1, key); |
1595 |
sv_to_dbt (&req->dbt2, pkey); |
1596 |
req->dbt3.flags = DB_DBT_MALLOC; |
1597 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1598 |
REQ_SEND; |
1599 |
} |
1600 |
|
1601 |
void |
1602 |
db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
1603 |
CODE: |
1604 |
{ |
1605 |
dREQ (REQ_DB_DEL); |
1606 |
req->db = db; |
1607 |
req->txn = txn; |
1608 |
req->uint1 = flags; |
1609 |
sv_to_dbt (&req->dbt1, key); |
1610 |
REQ_SEND; |
1611 |
} |
1612 |
|
1613 |
void |
1614 |
db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
1615 |
CODE: |
1616 |
{ |
1617 |
dREQ (REQ_TXN_COMMIT); |
1618 |
req->txn = txn; |
1619 |
req->uint1 = flags; |
1620 |
REQ_SEND; |
1621 |
ptr_nuke (ST (0)); |
1622 |
} |
1623 |
|
1624 |
void |
1625 |
db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef) |
1626 |
CODE: |
1627 |
{ |
1628 |
dREQ (REQ_TXN_ABORT); |
1629 |
req->txn = txn; |
1630 |
REQ_SEND; |
1631 |
ptr_nuke (ST (0)); |
1632 |
} |
1633 |
|
1634 |
void |
1635 |
db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
1636 |
CODE: |
1637 |
{ |
1638 |
dREQ (REQ_TXN_FINISH); |
1639 |
req->txn = txn; |
1640 |
req->uint1 = flags; |
1641 |
REQ_SEND; |
1642 |
ptr_nuke (ST (0)); |
1643 |
} |
1644 |
|
1645 |
void |
1646 |
db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) |
1647 |
CODE: |
1648 |
{ |
1649 |
dREQ (REQ_C_CLOSE); |
1650 |
req->dbc = dbc; |
1651 |
REQ_SEND; |
1652 |
ptr_nuke (ST (0)); |
1653 |
} |
1654 |
|
1655 |
void |
1656 |
db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef) |
1657 |
CODE: |
1658 |
{ |
1659 |
dREQ (REQ_C_COUNT); |
1660 |
req->dbc = dbc; |
1661 |
req->sv1 = SvREFCNT_inc (count); |
1662 |
REQ_SEND; |
1663 |
} |
1664 |
|
1665 |
void |
1666 |
db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1667 |
CODE: |
1668 |
{ |
1669 |
dREQ (REQ_C_PUT); |
1670 |
req->dbc = dbc; |
1671 |
sv_to_dbt (&req->dbt1, key); |
1672 |
sv_to_dbt (&req->dbt2, data); |
1673 |
req->uint1 = flags; |
1674 |
REQ_SEND; |
1675 |
} |
1676 |
|
1677 |
void |
1678 |
db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1679 |
CODE: |
1680 |
{ |
1681 |
dREQ (REQ_C_GET); |
1682 |
req->dbc = dbc; |
1683 |
req->uint1 = flags; |
1684 |
if ((flags & DB_SET) == DB_SET |
1685 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1686 |
sv_to_dbt (&req->dbt1, key); |
1687 |
else |
1688 |
req->dbt1.flags = DB_DBT_MALLOC; |
1689 |
|
1690 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1691 |
|
1692 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1693 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1694 |
sv_to_dbt (&req->dbt3, data); |
1695 |
else |
1696 |
req->dbt3.flags = DB_DBT_MALLOC; |
1697 |
|
1698 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1699 |
REQ_SEND; |
1700 |
} |
1701 |
|
1702 |
void |
1703 |
db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1704 |
CODE: |
1705 |
{ |
1706 |
dREQ (REQ_C_PGET); |
1707 |
req->dbc = dbc; |
1708 |
req->uint1 = flags; |
1709 |
if ((flags & DB_SET) == DB_SET |
1710 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1711 |
sv_to_dbt (&req->dbt1, key); |
1712 |
else |
1713 |
req->dbt1.flags = DB_DBT_MALLOC; |
1714 |
|
1715 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1716 |
|
1717 |
req->dbt2.flags = DB_DBT_MALLOC; |
1718 |
req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey); |
1719 |
|
1720 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1721 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1722 |
sv_to_dbt (&req->dbt3, data); |
1723 |
else |
1724 |
req->dbt3.flags = DB_DBT_MALLOC; |
1725 |
|
1726 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1727 |
REQ_SEND; |
1728 |
} |
1729 |
|
1730 |
void |
1731 |
db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef) |
1732 |
CODE: |
1733 |
{ |
1734 |
dREQ (REQ_C_DEL); |
1735 |
req->dbc = dbc; |
1736 |
req->uint1 = flags; |
1737 |
REQ_SEND; |
1738 |
} |
1739 |
|
1740 |
|
1741 |
void |
1742 |
db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef) |
1743 |
CODE: |
1744 |
{ |
1745 |
dREQ (REQ_SEQ_OPEN); |
1746 |
req->seq = seq; |
1747 |
req->txn = txnid; |
1748 |
req->uint1 = flags | DB_THREAD; |
1749 |
sv_to_dbt (&req->dbt1, key); |
1750 |
REQ_SEND; |
1751 |
} |
1752 |
|
1753 |
void |
1754 |
db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef) |
1755 |
CODE: |
1756 |
{ |
1757 |
dREQ (REQ_SEQ_CLOSE); |
1758 |
req->seq = seq; |
1759 |
req->uint1 = flags; |
1760 |
REQ_SEND; |
1761 |
ptr_nuke (ST (0)); |
1762 |
} |
1763 |
|
1764 |
void |
1765 |
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) |
1766 |
CODE: |
1767 |
{ |
1768 |
dREQ (REQ_SEQ_GET); |
1769 |
req->seq = seq; |
1770 |
req->txn = txnid; |
1771 |
req->int1 = delta; |
1772 |
req->uint1 = flags; |
1773 |
req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value); |
1774 |
REQ_SEND; |
1775 |
} |
1776 |
|
1777 |
void |
1778 |
db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef) |
1779 |
CODE: |
1780 |
{ |
1781 |
dREQ (REQ_SEQ_REMOVE); |
1782 |
req->seq = seq; |
1783 |
req->txn = txnid; |
1784 |
req->uint1 = flags; |
1785 |
REQ_SEND; |
1786 |
} |
1787 |
|
1788 |
|
1789 |
MODULE = BDB PACKAGE = BDB::Env |
1790 |
|
1791 |
void |
1792 |
DESTROY (DB_ENV_ornuked *env) |
1793 |
CODE: |
1794 |
if (env) |
1795 |
env->close (env, 0); |
1796 |
|
1797 |
int set_data_dir (DB_ENV *env, const char *dir) |
1798 |
CODE: |
1799 |
RETVAL = env->set_data_dir (env, dir); |
1800 |
OUTPUT: |
1801 |
RETVAL |
1802 |
|
1803 |
int set_tmp_dir (DB_ENV *env, const char *dir) |
1804 |
CODE: |
1805 |
RETVAL = env->set_tmp_dir (env, dir); |
1806 |
OUTPUT: |
1807 |
RETVAL |
1808 |
|
1809 |
int set_lg_dir (DB_ENV *env, const char *dir) |
1810 |
CODE: |
1811 |
RETVAL = env->set_lg_dir (env, dir); |
1812 |
OUTPUT: |
1813 |
RETVAL |
1814 |
|
1815 |
int set_shm_key (DB_ENV *env, long shm_key) |
1816 |
CODE: |
1817 |
RETVAL = env->set_shm_key (env, shm_key); |
1818 |
OUTPUT: |
1819 |
RETVAL |
1820 |
|
1821 |
int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) |
1822 |
CODE: |
1823 |
RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); |
1824 |
OUTPUT: |
1825 |
RETVAL |
1826 |
|
1827 |
int set_flags (DB_ENV *env, U32 flags, int onoff = 1) |
1828 |
CODE: |
1829 |
RETVAL = env->set_flags (env, flags, onoff); |
1830 |
OUTPUT: |
1831 |
RETVAL |
1832 |
|
1833 |
void set_errfile (DB_ENV *env, FILE *errfile = 0) |
1834 |
CODE: |
1835 |
env->set_errfile (env, errfile); |
1836 |
|
1837 |
void set_msgfile (DB_ENV *env, FILE *msgfile = 0) |
1838 |
CODE: |
1839 |
env->set_msgfile (env, msgfile); |
1840 |
|
1841 |
int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1) |
1842 |
CODE: |
1843 |
RETVAL = env->set_verbose (env, which, onoff); |
1844 |
OUTPUT: |
1845 |
RETVAL |
1846 |
|
1847 |
int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1848 |
CODE: |
1849 |
RETVAL = env->set_encrypt (env, password, flags); |
1850 |
OUTPUT: |
1851 |
RETVAL |
1852 |
|
1853 |
int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
1854 |
CODE: |
1855 |
RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
1856 |
OUTPUT: |
1857 |
RETVAL |
1858 |
|
1859 |
int set_mp_max_openfd (DB_ENV *env, int maxopenfd); |
1860 |
CODE: |
1861 |
RETVAL = env->set_mp_max_openfd (env, maxopenfd); |
1862 |
OUTPUT: |
1863 |
RETVAL |
1864 |
|
1865 |
int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep); |
1866 |
CODE: |
1867 |
RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep); |
1868 |
OUTPUT: |
1869 |
RETVAL |
1870 |
|
1871 |
int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb) |
1872 |
CODE: |
1873 |
RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20); |
1874 |
OUTPUT: |
1875 |
RETVAL |
1876 |
|
1877 |
int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT) |
1878 |
CODE: |
1879 |
RETVAL = env->set_lk_detect (env, detect); |
1880 |
OUTPUT: |
1881 |
RETVAL |
1882 |
|
1883 |
int set_lk_max_lockers (DB_ENV *env, U32 max) |
1884 |
CODE: |
1885 |
RETVAL = env->set_lk_max_lockers (env, max); |
1886 |
OUTPUT: |
1887 |
RETVAL |
1888 |
|
1889 |
int set_lk_max_locks (DB_ENV *env, U32 max) |
1890 |
CODE: |
1891 |
RETVAL = env->set_lk_max_locks (env, max); |
1892 |
OUTPUT: |
1893 |
RETVAL |
1894 |
|
1895 |
int set_lk_max_objects (DB_ENV *env, U32 max) |
1896 |
CODE: |
1897 |
RETVAL = env->set_lk_max_objects (env, max); |
1898 |
OUTPUT: |
1899 |
RETVAL |
1900 |
|
1901 |
int set_lg_bsize (DB_ENV *env, U32 max) |
1902 |
CODE: |
1903 |
RETVAL = env->set_lg_bsize (env, max); |
1904 |
OUTPUT: |
1905 |
RETVAL |
1906 |
|
1907 |
int set_lg_max (DB_ENV *env, U32 max) |
1908 |
CODE: |
1909 |
RETVAL = env->set_lg_max (env, max); |
1910 |
OUTPUT: |
1911 |
RETVAL |
1912 |
|
1913 |
int mutex_set_max (DB_ENV *env, U32 max) |
1914 |
CODE: |
1915 |
RETVAL = env->mutex_set_max (env, max); |
1916 |
OUTPUT: |
1917 |
RETVAL |
1918 |
|
1919 |
int mutex_set_increment (DB_ENV *env, U32 increment) |
1920 |
CODE: |
1921 |
RETVAL = env->mutex_set_increment (env, increment); |
1922 |
OUTPUT: |
1923 |
RETVAL |
1924 |
|
1925 |
int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins) |
1926 |
CODE: |
1927 |
RETVAL = env->mutex_set_tas_spins (env, tas_spins); |
1928 |
OUTPUT: |
1929 |
RETVAL |
1930 |
|
1931 |
int mutex_set_align (DB_ENV *env, U32 align) |
1932 |
CODE: |
1933 |
RETVAL = env->mutex_set_align (env, align); |
1934 |
OUTPUT: |
1935 |
RETVAL |
1936 |
|
1937 |
DB_TXN * |
1938 |
txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) |
1939 |
CODE: |
1940 |
errno = env->txn_begin (env, parent, &RETVAL, flags); |
1941 |
if (errno) |
1942 |
croak ("DB_ENV->txn_begin: %s", db_strerror (errno)); |
1943 |
OUTPUT: |
1944 |
RETVAL |
1945 |
|
1946 |
MODULE = BDB PACKAGE = BDB::Db |
1947 |
|
1948 |
void |
1949 |
DESTROY (DB_ornuked *db) |
1950 |
CODE: |
1951 |
if (db) |
1952 |
{ |
1953 |
SV *env = (SV *)db->app_private; |
1954 |
db->close (db, 0); |
1955 |
SvREFCNT_dec (env); |
1956 |
} |
1957 |
|
1958 |
int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0) |
1959 |
CODE: |
1960 |
RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
1961 |
OUTPUT: |
1962 |
RETVAL |
1963 |
|
1964 |
int set_flags (DB *db, U32 flags) |
1965 |
CODE: |
1966 |
RETVAL = db->set_flags (db, flags); |
1967 |
OUTPUT: |
1968 |
RETVAL |
1969 |
|
1970 |
int set_encrypt (DB *db, const char *password, U32 flags) |
1971 |
CODE: |
1972 |
RETVAL = db->set_encrypt (db, password, flags); |
1973 |
OUTPUT: |
1974 |
RETVAL |
1975 |
|
1976 |
int set_lorder (DB *db, int lorder) |
1977 |
CODE: |
1978 |
RETVAL = db->set_lorder (db, lorder); |
1979 |
OUTPUT: |
1980 |
RETVAL |
1981 |
|
1982 |
int set_bt_minkey (DB *db, U32 minkey) |
1983 |
CODE: |
1984 |
RETVAL = db->set_bt_minkey (db, minkey); |
1985 |
OUTPUT: |
1986 |
RETVAL |
1987 |
|
1988 |
int set_re_delim (DB *db, int delim) |
1989 |
CODE: |
1990 |
RETVAL = db->set_re_delim (db, delim); |
1991 |
OUTPUT: |
1992 |
RETVAL |
1993 |
|
1994 |
int set_re_pad (DB *db, int re_pad) |
1995 |
CODE: |
1996 |
RETVAL = db->set_re_pad (db, re_pad); |
1997 |
OUTPUT: |
1998 |
RETVAL |
1999 |
|
2000 |
int set_re_source (DB *db, char *source) |
2001 |
CODE: |
2002 |
RETVAL = db->set_re_source (db, source); |
2003 |
OUTPUT: |
2004 |
RETVAL |
2005 |
|
2006 |
int set_re_len (DB *db, U32 re_len) |
2007 |
CODE: |
2008 |
RETVAL = db->set_re_len (db, re_len); |
2009 |
OUTPUT: |
2010 |
RETVAL |
2011 |
|
2012 |
int set_h_ffactor (DB *db, U32 h_ffactor) |
2013 |
CODE: |
2014 |
RETVAL = db->set_h_ffactor (db, h_ffactor); |
2015 |
OUTPUT: |
2016 |
RETVAL |
2017 |
|
2018 |
int set_h_nelem (DB *db, U32 h_nelem) |
2019 |
CODE: |
2020 |
RETVAL = db->set_h_nelem (db, h_nelem); |
2021 |
OUTPUT: |
2022 |
RETVAL |
2023 |
|
2024 |
int set_q_extentsize (DB *db, U32 extentsize) |
2025 |
CODE: |
2026 |
RETVAL = db->set_q_extentsize (db, extentsize); |
2027 |
OUTPUT: |
2028 |
RETVAL |
2029 |
|
2030 |
DBC * |
2031 |
cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0) |
2032 |
CODE: |
2033 |
errno = db->cursor (db, txn, &RETVAL, flags); |
2034 |
if (errno) |
2035 |
croak ("DB->cursor: %s", db_strerror (errno)); |
2036 |
OUTPUT: |
2037 |
RETVAL |
2038 |
|
2039 |
DB_SEQUENCE * |
2040 |
sequence (DB *db, U32 flags = 0) |
2041 |
CODE: |
2042 |
{ |
2043 |
errno = db_sequence_create (&RETVAL, db, flags); |
2044 |
if (errno) |
2045 |
croak ("db_sequence_create: %s", db_strerror (errno)); |
2046 |
} |
2047 |
OUTPUT: |
2048 |
RETVAL |
2049 |
|
2050 |
|
2051 |
MODULE = BDB PACKAGE = BDB::Txn |
2052 |
|
2053 |
void |
2054 |
DESTROY (DB_TXN_ornuked *txn) |
2055 |
CODE: |
2056 |
if (txn) |
2057 |
txn->abort (txn); |
2058 |
|
2059 |
int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
2060 |
CODE: |
2061 |
RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
2062 |
OUTPUT: |
2063 |
RETVAL |
2064 |
|
2065 |
int failed (DB_TXN *txn) |
2066 |
CODE: |
2067 |
RETVAL = !!(txn->flags & TXN_DEADLOCK); |
2068 |
OUTPUT: |
2069 |
RETVAL |
2070 |
|
2071 |
|
2072 |
MODULE = BDB PACKAGE = BDB::Cursor |
2073 |
|
2074 |
void |
2075 |
DESTROY (DBC_ornuked *dbc) |
2076 |
CODE: |
2077 |
if (dbc) |
2078 |
dbc->c_close (dbc); |
2079 |
|
2080 |
#if DB_VERSION_MINOR >= 6 |
2081 |
|
2082 |
int set_priority (DBC *dbc, int priority) |
2083 |
CODE: |
2084 |
dbc->set_priority (dbc, priority); |
2085 |
|
2086 |
#endif |
2087 |
|
2088 |
MODULE = BDB PACKAGE = BDB::Sequence |
2089 |
|
2090 |
void |
2091 |
DESTROY (DB_SEQUENCE_ornuked *seq) |
2092 |
CODE: |
2093 |
if (seq) |
2094 |
seq->close (seq, 0); |
2095 |
|
2096 |
int initial_value (DB_SEQUENCE *seq, db_seq_t value) |
2097 |
CODE: |
2098 |
RETVAL = seq->initial_value (seq, value); |
2099 |
OUTPUT: |
2100 |
RETVAL |
2101 |
|
2102 |
int set_cachesize (DB_SEQUENCE *seq, U32 size) |
2103 |
CODE: |
2104 |
RETVAL = seq->set_cachesize (seq, size); |
2105 |
OUTPUT: |
2106 |
RETVAL |
2107 |
|
2108 |
int set_flags (DB_SEQUENCE *seq, U32 flags) |
2109 |
CODE: |
2110 |
RETVAL = seq->set_flags (seq, flags); |
2111 |
OUTPUT: |
2112 |
RETVAL |
2113 |
|
2114 |
int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max) |
2115 |
CODE: |
2116 |
RETVAL = seq->set_range (seq, min, max); |
2117 |
OUTPUT: |
2118 |
RETVAL |
2119 |
|
2120 |
|