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, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME, |
143 |
REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE, |
144 |
REQ_DB_PUT, REQ_DB_EXISTS, 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, *buf3; |
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 SV *on_next_submit; |
187 |
|
188 |
static unsigned int max_poll_time = 0; |
189 |
static unsigned int max_poll_reqs = 0; |
190 |
|
191 |
/* calculcate time difference in ~1/AIO_TICKS of a second */ |
192 |
static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
193 |
{ |
194 |
return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
195 |
+ ((tv2->tv_usec - tv1->tv_usec) >> 10); |
196 |
} |
197 |
|
198 |
static int next_pri = DEFAULT_PRI + PRI_BIAS; |
199 |
|
200 |
static unsigned int started, idle, wanted; |
201 |
|
202 |
/* worker threads management */ |
203 |
static mutex_t wrklock = X_MUTEX_INIT; |
204 |
|
205 |
typedef struct worker { |
206 |
/* locked by wrklock */ |
207 |
struct worker *prev, *next; |
208 |
|
209 |
thread_t tid; |
210 |
|
211 |
/* locked by reslock, reqlock or wrklock */ |
212 |
bdb_req req; /* currently processed request */ |
213 |
void *dbuf; |
214 |
DIR *dirp; |
215 |
} worker; |
216 |
|
217 |
static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
218 |
|
219 |
static void worker_clear (worker *wrk) |
220 |
{ |
221 |
} |
222 |
|
223 |
static void worker_free (worker *wrk) |
224 |
{ |
225 |
wrk->next->prev = wrk->prev; |
226 |
wrk->prev->next = wrk->next; |
227 |
|
228 |
free (wrk); |
229 |
} |
230 |
|
231 |
static volatile unsigned int nreqs, nready, npending; |
232 |
static volatile unsigned int max_idle = 4; |
233 |
static volatile unsigned int max_outstanding = 0xffffffff; |
234 |
static int respipe_osf [2], respipe [2] = { -1, -1 }; |
235 |
|
236 |
static mutex_t reslock = X_MUTEX_INIT; |
237 |
static mutex_t reqlock = X_MUTEX_INIT; |
238 |
static cond_t reqwait = X_COND_INIT; |
239 |
|
240 |
#if WORDACCESS_UNSAFE |
241 |
|
242 |
static unsigned int get_nready (void) |
243 |
{ |
244 |
unsigned int retval; |
245 |
|
246 |
X_LOCK (reqlock); |
247 |
retval = nready; |
248 |
X_UNLOCK (reqlock); |
249 |
|
250 |
return retval; |
251 |
} |
252 |
|
253 |
static unsigned int get_npending (void) |
254 |
{ |
255 |
unsigned int retval; |
256 |
|
257 |
X_LOCK (reslock); |
258 |
retval = npending; |
259 |
X_UNLOCK (reslock); |
260 |
|
261 |
return retval; |
262 |
} |
263 |
|
264 |
static unsigned int get_nthreads (void) |
265 |
{ |
266 |
unsigned int retval; |
267 |
|
268 |
X_LOCK (wrklock); |
269 |
retval = started; |
270 |
X_UNLOCK (wrklock); |
271 |
|
272 |
return retval; |
273 |
} |
274 |
|
275 |
#else |
276 |
|
277 |
# define get_nready() nready |
278 |
# define get_npending() npending |
279 |
# define get_nthreads() started |
280 |
|
281 |
#endif |
282 |
|
283 |
/* |
284 |
* a somewhat faster data structure might be nice, but |
285 |
* with 8 priorities this actually needs <20 insns |
286 |
* per shift, the most expensive operation. |
287 |
*/ |
288 |
typedef struct { |
289 |
bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
290 |
int size; |
291 |
} reqq; |
292 |
|
293 |
static reqq req_queue; |
294 |
static reqq res_queue; |
295 |
|
296 |
int reqq_push (reqq *q, bdb_req req) |
297 |
{ |
298 |
int pri = req->pri; |
299 |
req->next = 0; |
300 |
|
301 |
if (q->qe[pri]) |
302 |
{ |
303 |
q->qe[pri]->next = req; |
304 |
q->qe[pri] = req; |
305 |
} |
306 |
else |
307 |
q->qe[pri] = q->qs[pri] = req; |
308 |
|
309 |
return q->size++; |
310 |
} |
311 |
|
312 |
bdb_req reqq_shift (reqq *q) |
313 |
{ |
314 |
int pri; |
315 |
|
316 |
if (!q->size) |
317 |
return 0; |
318 |
|
319 |
--q->size; |
320 |
|
321 |
for (pri = NUM_PRI; pri--; ) |
322 |
{ |
323 |
bdb_req req = q->qs[pri]; |
324 |
|
325 |
if (req) |
326 |
{ |
327 |
if (!(q->qs[pri] = req->next)) |
328 |
q->qe[pri] = 0; |
329 |
|
330 |
return req; |
331 |
} |
332 |
} |
333 |
|
334 |
abort (); |
335 |
} |
336 |
|
337 |
static int poll_cb (void); |
338 |
static void req_free (bdb_req req); |
339 |
static void req_cancel (bdb_req req); |
340 |
|
341 |
static int req_invoke (bdb_req req) |
342 |
{ |
343 |
dSP; |
344 |
|
345 |
if (req->callback) |
346 |
{ |
347 |
ENTER; |
348 |
SAVETMPS; |
349 |
PUSHMARK (SP); |
350 |
|
351 |
switch (req->type) |
352 |
{ |
353 |
case REQ_DB_CLOSE: |
354 |
SvREFCNT_dec (req->sv1); |
355 |
break; |
356 |
|
357 |
case REQ_DB_GET: |
358 |
case REQ_DB_PGET: |
359 |
dbt_to_sv (req->sv3, &req->dbt3); |
360 |
break; |
361 |
|
362 |
case REQ_C_GET: |
363 |
case REQ_C_PGET: |
364 |
dbt_to_sv (req->sv1, &req->dbt1); |
365 |
dbt_to_sv (req->sv2, &req->dbt2); |
366 |
dbt_to_sv (req->sv3, &req->dbt3); |
367 |
break; |
368 |
|
369 |
case REQ_DB_PUT: |
370 |
case REQ_C_PUT: |
371 |
dbt_to_sv (0, &req->dbt1); |
372 |
dbt_to_sv (0, &req->dbt2); |
373 |
break; |
374 |
|
375 |
case REQ_DB_KEY_RANGE: |
376 |
{ |
377 |
AV *av = newAV (); |
378 |
|
379 |
av_push (av, newSVnv (req->key_range.less)); |
380 |
av_push (av, newSVnv (req->key_range.equal)); |
381 |
av_push (av, newSVnv (req->key_range.greater)); |
382 |
|
383 |
SvREADONLY_off (req->sv1); |
384 |
sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av)); |
385 |
SvREFCNT_dec (req->sv1); |
386 |
} |
387 |
break; |
388 |
|
389 |
case REQ_SEQ_GET: |
390 |
SvREADONLY_off (req->sv1); |
391 |
|
392 |
if (sizeof (IV) > 4) |
393 |
sv_setiv_mg (req->sv1, (IV)req->seq_t); |
394 |
else |
395 |
sv_setnv_mg (req->sv1, (NV)req->seq_t); |
396 |
|
397 |
SvREFCNT_dec (req->sv1); |
398 |
break; |
399 |
} |
400 |
|
401 |
errno = req->result; |
402 |
|
403 |
PUTBACK; |
404 |
call_sv (req->callback, G_VOID | G_EVAL); |
405 |
SPAGAIN; |
406 |
|
407 |
FREETMPS; |
408 |
LEAVE; |
409 |
} |
410 |
|
411 |
return !SvTRUE (ERRSV); |
412 |
} |
413 |
|
414 |
static void req_free (bdb_req req) |
415 |
{ |
416 |
SvREFCNT_dec (req->callback); |
417 |
|
418 |
free (req->buf1); |
419 |
free (req->buf2); |
420 |
free (req->buf3); |
421 |
|
422 |
Safefree (req); |
423 |
} |
424 |
|
425 |
#ifdef USE_SOCKETS_AS_HANDLES |
426 |
# define TO_SOCKET(x) (win32_get_osfhandle (x)) |
427 |
#else |
428 |
# define TO_SOCKET(x) (x) |
429 |
#endif |
430 |
|
431 |
static void |
432 |
create_respipe (void) |
433 |
{ |
434 |
#ifdef _WIN32 |
435 |
int arg; /* argg */ |
436 |
#endif |
437 |
int old_readfd = respipe [0]; |
438 |
|
439 |
if (respipe [1] >= 0) |
440 |
respipe_close (TO_SOCKET (respipe [1])); |
441 |
|
442 |
#ifdef _WIN32 |
443 |
if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe)) |
444 |
#else |
445 |
if (pipe (respipe)) |
446 |
#endif |
447 |
croak ("unable to initialize result pipe"); |
448 |
|
449 |
if (old_readfd >= 0) |
450 |
{ |
451 |
if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0) |
452 |
croak ("unable to initialize result pipe(2)"); |
453 |
|
454 |
respipe_close (respipe [0]); |
455 |
respipe [0] = old_readfd; |
456 |
} |
457 |
|
458 |
#ifdef _WIN32 |
459 |
arg = 1; |
460 |
if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg) |
461 |
|| ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg)) |
462 |
#else |
463 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK) |
464 |
|| fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
465 |
#endif |
466 |
croak ("unable to initialize result pipe(3)"); |
467 |
|
468 |
respipe_osf [0] = TO_SOCKET (respipe [0]); |
469 |
respipe_osf [1] = TO_SOCKET (respipe [1]); |
470 |
} |
471 |
|
472 |
X_THREAD_PROC (bdb_proc); |
473 |
|
474 |
static void start_thread (void) |
475 |
{ |
476 |
worker *wrk = calloc (1, sizeof (worker)); |
477 |
|
478 |
if (!wrk) |
479 |
croak ("unable to allocate worker thread data"); |
480 |
|
481 |
X_LOCK (wrklock); |
482 |
if (thread_create (&wrk->tid, bdb_proc, (void *)wrk)) |
483 |
{ |
484 |
wrk->prev = &wrk_first; |
485 |
wrk->next = wrk_first.next; |
486 |
wrk_first.next->prev = wrk; |
487 |
wrk_first.next = wrk; |
488 |
++started; |
489 |
} |
490 |
else |
491 |
free (wrk); |
492 |
|
493 |
X_UNLOCK (wrklock); |
494 |
} |
495 |
|
496 |
static void maybe_start_thread (void) |
497 |
{ |
498 |
if (get_nthreads () >= wanted) |
499 |
return; |
500 |
|
501 |
/* todo: maybe use idle here, but might be less exact */ |
502 |
if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
503 |
return; |
504 |
|
505 |
start_thread (); |
506 |
} |
507 |
|
508 |
static void req_send (bdb_req req) |
509 |
{ |
510 |
SV *wait_callback = 0; |
511 |
|
512 |
if (on_next_submit) |
513 |
{ |
514 |
dSP; |
515 |
SV *cb = sv_2mortal (on_next_submit); |
516 |
|
517 |
on_next_submit = 0; |
518 |
|
519 |
PUSHMARK (SP); |
520 |
PUTBACK; |
521 |
call_sv (cb, G_DISCARD | G_EVAL); |
522 |
} |
523 |
|
524 |
// synthesize callback if none given |
525 |
if (!req->callback) |
526 |
{ |
527 |
int count; |
528 |
|
529 |
dSP; |
530 |
PUSHMARK (SP); |
531 |
PUTBACK; |
532 |
count = call_sv (prepare_cb, G_ARRAY); |
533 |
SPAGAIN; |
534 |
|
535 |
if (count != 2) |
536 |
croak ("prepare callback must return exactly two values\n"); |
537 |
|
538 |
wait_callback = POPs; |
539 |
SvREFCNT_dec (req->callback); |
540 |
req->callback = SvREFCNT_inc (POPs); |
541 |
} |
542 |
|
543 |
++nreqs; |
544 |
|
545 |
X_LOCK (reqlock); |
546 |
++nready; |
547 |
reqq_push (&req_queue, req); |
548 |
X_COND_SIGNAL (reqwait); |
549 |
X_UNLOCK (reqlock); |
550 |
|
551 |
maybe_start_thread (); |
552 |
|
553 |
if (wait_callback) |
554 |
{ |
555 |
dSP; |
556 |
PUSHMARK (SP); |
557 |
PUTBACK; |
558 |
call_sv (wait_callback, G_DISCARD); |
559 |
} |
560 |
} |
561 |
|
562 |
static void end_thread (void) |
563 |
{ |
564 |
bdb_req req; |
565 |
|
566 |
Newz (0, req, 1, bdb_cb); |
567 |
|
568 |
req->type = REQ_QUIT; |
569 |
req->pri = PRI_MAX + PRI_BIAS; |
570 |
|
571 |
X_LOCK (reqlock); |
572 |
reqq_push (&req_queue, req); |
573 |
X_COND_SIGNAL (reqwait); |
574 |
X_UNLOCK (reqlock); |
575 |
|
576 |
X_LOCK (wrklock); |
577 |
--started; |
578 |
X_UNLOCK (wrklock); |
579 |
} |
580 |
|
581 |
static void set_max_idle (int nthreads) |
582 |
{ |
583 |
if (WORDACCESS_UNSAFE) X_LOCK (reqlock); |
584 |
max_idle = nthreads <= 0 ? 1 : nthreads; |
585 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock); |
586 |
} |
587 |
|
588 |
static void min_parallel (int nthreads) |
589 |
{ |
590 |
if (wanted < nthreads) |
591 |
wanted = nthreads; |
592 |
} |
593 |
|
594 |
static void max_parallel (int nthreads) |
595 |
{ |
596 |
if (wanted > nthreads) |
597 |
wanted = nthreads; |
598 |
|
599 |
while (started > wanted) |
600 |
end_thread (); |
601 |
} |
602 |
|
603 |
static void poll_wait (void) |
604 |
{ |
605 |
fd_set rfd; |
606 |
|
607 |
while (nreqs) |
608 |
{ |
609 |
int size; |
610 |
if (WORDACCESS_UNSAFE) X_LOCK (reslock); |
611 |
size = res_queue.size; |
612 |
if (WORDACCESS_UNSAFE) X_UNLOCK (reslock); |
613 |
|
614 |
if (size) |
615 |
return; |
616 |
|
617 |
maybe_start_thread (); |
618 |
|
619 |
FD_ZERO (&rfd); |
620 |
FD_SET (respipe [0], &rfd); |
621 |
|
622 |
PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0); |
623 |
} |
624 |
} |
625 |
|
626 |
static int poll_cb (void) |
627 |
{ |
628 |
dSP; |
629 |
int count = 0; |
630 |
int maxreqs = max_poll_reqs; |
631 |
int do_croak = 0; |
632 |
struct timeval tv_start, tv_now; |
633 |
bdb_req req; |
634 |
|
635 |
if (max_poll_time) |
636 |
gettimeofday (&tv_start, 0); |
637 |
|
638 |
for (;;) |
639 |
{ |
640 |
for (;;) |
641 |
{ |
642 |
maybe_start_thread (); |
643 |
|
644 |
X_LOCK (reslock); |
645 |
req = reqq_shift (&res_queue); |
646 |
|
647 |
if (req) |
648 |
{ |
649 |
--npending; |
650 |
|
651 |
if (!res_queue.size) |
652 |
{ |
653 |
/* read any signals sent by the worker threads */ |
654 |
char buf [4]; |
655 |
while (respipe_read (respipe [0], buf, 4) == 4) |
656 |
; |
657 |
} |
658 |
} |
659 |
|
660 |
X_UNLOCK (reslock); |
661 |
|
662 |
if (!req) |
663 |
break; |
664 |
|
665 |
--nreqs; |
666 |
|
667 |
if (!req_invoke (req)) |
668 |
{ |
669 |
req_free (req); |
670 |
croak (0); |
671 |
} |
672 |
|
673 |
count++; |
674 |
|
675 |
req_free (req); |
676 |
|
677 |
if (maxreqs && !--maxreqs) |
678 |
break; |
679 |
|
680 |
if (max_poll_time) |
681 |
{ |
682 |
gettimeofday (&tv_now, 0); |
683 |
|
684 |
if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
685 |
break; |
686 |
} |
687 |
} |
688 |
|
689 |
if (nreqs <= max_outstanding) |
690 |
break; |
691 |
|
692 |
poll_wait (); |
693 |
|
694 |
++maxreqs; |
695 |
} |
696 |
|
697 |
return count; |
698 |
} |
699 |
|
700 |
/*****************************************************************************/ |
701 |
|
702 |
X_THREAD_PROC (bdb_proc) |
703 |
{ |
704 |
bdb_req req; |
705 |
struct timespec ts; |
706 |
worker *self = (worker *)thr_arg; |
707 |
|
708 |
/* try to distribute timeouts somewhat evenly */ |
709 |
ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); |
710 |
|
711 |
for (;;) |
712 |
{ |
713 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
714 |
|
715 |
X_LOCK (reqlock); |
716 |
|
717 |
for (;;) |
718 |
{ |
719 |
self->req = req = reqq_shift (&req_queue); |
720 |
|
721 |
if (req) |
722 |
break; |
723 |
|
724 |
++idle; |
725 |
|
726 |
if (X_COND_TIMEDWAIT (reqwait, reqlock, ts) |
727 |
== ETIMEDOUT) |
728 |
{ |
729 |
if (idle > max_idle) |
730 |
{ |
731 |
--idle; |
732 |
X_UNLOCK (reqlock); |
733 |
X_LOCK (wrklock); |
734 |
--started; |
735 |
X_UNLOCK (wrklock); |
736 |
goto quit; |
737 |
} |
738 |
|
739 |
/* we are allowed to idle, so do so without any timeout */ |
740 |
X_COND_WAIT (reqwait, reqlock); |
741 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
742 |
} |
743 |
|
744 |
--idle; |
745 |
} |
746 |
|
747 |
--nready; |
748 |
|
749 |
X_UNLOCK (reqlock); |
750 |
|
751 |
switch (req->type) |
752 |
{ |
753 |
case REQ_QUIT: |
754 |
req->result = ENOSYS; |
755 |
goto quit; |
756 |
|
757 |
case REQ_ENV_OPEN: |
758 |
req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
759 |
break; |
760 |
|
761 |
case REQ_ENV_CLOSE: |
762 |
req->result = req->env->close (req->env, req->uint1); |
763 |
break; |
764 |
|
765 |
case REQ_ENV_TXN_CHECKPOINT: |
766 |
req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2); |
767 |
break; |
768 |
|
769 |
case REQ_ENV_LOCK_DETECT: |
770 |
req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1); |
771 |
break; |
772 |
|
773 |
case REQ_ENV_MEMP_SYNC: |
774 |
req->result = req->env->memp_sync (req->env, 0); |
775 |
break; |
776 |
|
777 |
case REQ_ENV_MEMP_TRICKLE: |
778 |
req->result = req->env->memp_trickle (req->env, req->int1, &req->int2); |
779 |
break; |
780 |
|
781 |
case REQ_ENV_DBREMOVE: |
782 |
req->result = req->env->dbremove (req->env, req->txn, req->buf1, req->buf2, req->uint1); |
783 |
break; |
784 |
|
785 |
case REQ_ENV_DBRENAME: |
786 |
req->result = req->env->dbrename (req->env, req->txn, req->buf1, req->buf2, req->buf3, req->uint1); |
787 |
break; |
788 |
|
789 |
case REQ_DB_OPEN: |
790 |
req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); |
791 |
break; |
792 |
|
793 |
case REQ_DB_CLOSE: |
794 |
req->result = req->db->close (req->db, req->uint1); |
795 |
break; |
796 |
|
797 |
case REQ_DB_COMPACT: |
798 |
req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0); |
799 |
break; |
800 |
|
801 |
case REQ_DB_SYNC: |
802 |
req->result = req->db->sync (req->db, req->uint1); |
803 |
break; |
804 |
|
805 |
case REQ_DB_UPGRADE: |
806 |
req->result = req->db->upgrade (req->db, req->buf1, req->uint1); |
807 |
break; |
808 |
|
809 |
case REQ_DB_PUT: |
810 |
req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); |
811 |
break; |
812 |
|
813 |
#if DB_VERSION_MINOR >= 6 |
814 |
case REQ_DB_EXISTS: |
815 |
req->result = req->db->exists (req->db, req->txn, &req->dbt1, req->uint1); |
816 |
break; |
817 |
#endif |
818 |
case REQ_DB_GET: |
819 |
req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1); |
820 |
break; |
821 |
|
822 |
case REQ_DB_PGET: |
823 |
req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
824 |
break; |
825 |
|
826 |
case REQ_DB_DEL: |
827 |
req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1); |
828 |
break; |
829 |
|
830 |
case REQ_DB_KEY_RANGE: |
831 |
req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1); |
832 |
break; |
833 |
|
834 |
case REQ_TXN_COMMIT: |
835 |
req->result = req->txn->commit (req->txn, req->uint1); |
836 |
break; |
837 |
|
838 |
case REQ_TXN_ABORT: |
839 |
req->result = req->txn->abort (req->txn); |
840 |
break; |
841 |
|
842 |
case REQ_TXN_FINISH: |
843 |
if (req->txn->flags & TXN_DEADLOCK) |
844 |
{ |
845 |
req->result = req->txn->abort (req->txn); |
846 |
if (!req->result) |
847 |
req->result = DB_LOCK_DEADLOCK; |
848 |
} |
849 |
else |
850 |
req->result = req->txn->commit (req->txn, req->uint1); |
851 |
break; |
852 |
|
853 |
case REQ_C_CLOSE: |
854 |
req->result = req->dbc->c_close (req->dbc); |
855 |
break; |
856 |
|
857 |
case REQ_C_COUNT: |
858 |
{ |
859 |
db_recno_t recno; |
860 |
req->result = req->dbc->c_count (req->dbc, &recno, req->uint1); |
861 |
req->uv1 = recno; |
862 |
} |
863 |
break; |
864 |
|
865 |
case REQ_C_PUT: |
866 |
req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1); |
867 |
break; |
868 |
|
869 |
case REQ_C_GET: |
870 |
req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1); |
871 |
break; |
872 |
|
873 |
case REQ_C_PGET: |
874 |
req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
875 |
break; |
876 |
|
877 |
case REQ_C_DEL: |
878 |
req->result = req->dbc->c_del (req->dbc, req->uint1); |
879 |
break; |
880 |
|
881 |
case REQ_SEQ_OPEN: |
882 |
req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1); |
883 |
break; |
884 |
|
885 |
case REQ_SEQ_CLOSE: |
886 |
req->result = req->seq->close (req->seq, req->uint1); |
887 |
break; |
888 |
|
889 |
case REQ_SEQ_GET: |
890 |
req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1); |
891 |
break; |
892 |
|
893 |
case REQ_SEQ_REMOVE: |
894 |
req->result = req->seq->remove (req->seq, req->txn, req->uint1); |
895 |
break; |
896 |
|
897 |
default: |
898 |
req->result = ENOSYS; |
899 |
break; |
900 |
} |
901 |
|
902 |
if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED)) |
903 |
req->txn->flags |= TXN_DEADLOCK; |
904 |
|
905 |
X_LOCK (reslock); |
906 |
|
907 |
++npending; |
908 |
|
909 |
if (!reqq_push (&res_queue, req)) |
910 |
/* write a dummy byte to the pipe so fh becomes ready */ |
911 |
respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1); |
912 |
|
913 |
self->req = 0; |
914 |
worker_clear (self); |
915 |
|
916 |
X_UNLOCK (reslock); |
917 |
} |
918 |
|
919 |
quit: |
920 |
X_LOCK (wrklock); |
921 |
worker_free (self); |
922 |
X_UNLOCK (wrklock); |
923 |
|
924 |
return 0; |
925 |
} |
926 |
|
927 |
/*****************************************************************************/ |
928 |
|
929 |
static void atfork_prepare (void) |
930 |
{ |
931 |
X_LOCK (wrklock); |
932 |
X_LOCK (reqlock); |
933 |
X_LOCK (reslock); |
934 |
} |
935 |
|
936 |
static void atfork_parent (void) |
937 |
{ |
938 |
X_UNLOCK (reslock); |
939 |
X_UNLOCK (reqlock); |
940 |
X_UNLOCK (wrklock); |
941 |
} |
942 |
|
943 |
static void atfork_child (void) |
944 |
{ |
945 |
bdb_req prv; |
946 |
|
947 |
while (prv = reqq_shift (&req_queue)) |
948 |
req_free (prv); |
949 |
|
950 |
while (prv = reqq_shift (&res_queue)) |
951 |
req_free (prv); |
952 |
|
953 |
while (wrk_first.next != &wrk_first) |
954 |
{ |
955 |
worker *wrk = wrk_first.next; |
956 |
|
957 |
if (wrk->req) |
958 |
req_free (wrk->req); |
959 |
|
960 |
worker_clear (wrk); |
961 |
worker_free (wrk); |
962 |
} |
963 |
|
964 |
started = 0; |
965 |
idle = 0; |
966 |
nreqs = 0; |
967 |
nready = 0; |
968 |
npending = 0; |
969 |
|
970 |
create_respipe (); |
971 |
|
972 |
atfork_parent (); |
973 |
} |
974 |
|
975 |
#define dREQ(reqtype) \ |
976 |
bdb_req req; \ |
977 |
int req_pri = next_pri; \ |
978 |
next_pri = DEFAULT_PRI + PRI_BIAS; \ |
979 |
\ |
980 |
if (callback && SvOK (callback)) \ |
981 |
croak ("callback has illegal type or extra arguments"); \ |
982 |
\ |
983 |
Newz (0, req, 1, bdb_cb); \ |
984 |
if (!req) \ |
985 |
croak ("out of memory during bdb_req allocation"); \ |
986 |
\ |
987 |
req->callback = cb ? SvREFCNT_inc (cb) : 0; \ |
988 |
req->type = (reqtype); \ |
989 |
req->pri = req_pri |
990 |
|
991 |
#define REQ_SEND \ |
992 |
req_send (req) |
993 |
|
994 |
#define SvPTR(var, arg, type, class, nullok) \ |
995 |
if (!SvOK (arg)) \ |
996 |
{ \ |
997 |
if (nullok != 1) \ |
998 |
croak (# var " must be a " # class " object, not undef"); \ |
999 |
\ |
1000 |
(var) = 0; \ |
1001 |
} \ |
1002 |
else if (sv_derived_from ((arg), # class)) \ |
1003 |
{ \ |
1004 |
IV tmp = SvIV ((SV*) SvRV (arg)); \ |
1005 |
(var) = INT2PTR (type, tmp); \ |
1006 |
if (!var && nullok != 2) \ |
1007 |
croak (# var " is not a valid " # class " object anymore"); \ |
1008 |
} \ |
1009 |
else \ |
1010 |
croak (# var " is not of type " # class); |
1011 |
|
1012 |
static void |
1013 |
ptr_nuke (SV *sv) |
1014 |
{ |
1015 |
assert (SvROK (sv)); |
1016 |
sv_setiv (SvRV (sv), 0); |
1017 |
} |
1018 |
|
1019 |
static int |
1020 |
errno_get (pTHX_ SV *sv, MAGIC *mg) |
1021 |
{ |
1022 |
if (*mg->mg_ptr == '!') // should always be the case |
1023 |
if (-30999 <= errno && errno <= -30800) |
1024 |
{ |
1025 |
sv_setnv (sv, (NV)errno); |
1026 |
sv_setpv (sv, db_strerror (errno)); |
1027 |
SvNOK_on (sv); /* what a wonderful hack! */ |
1028 |
// ^^^ copied from perl sources |
1029 |
return 0; |
1030 |
} |
1031 |
|
1032 |
return PL_vtbl_sv.svt_get (aTHX_ sv, mg); |
1033 |
} |
1034 |
|
1035 |
static MGVTBL vtbl_errno; |
1036 |
|
1037 |
// this wonderful hack :( patches perl's $! variable to support our errno values |
1038 |
static void |
1039 |
patch_errno (void) |
1040 |
{ |
1041 |
SV *sv; |
1042 |
MAGIC *mg; |
1043 |
|
1044 |
if (!(sv = get_sv ("!", 1))) |
1045 |
return; |
1046 |
|
1047 |
if (!(mg = mg_find (sv, PERL_MAGIC_sv))) |
1048 |
return; |
1049 |
|
1050 |
if (mg->mg_virtual != &PL_vtbl_sv) |
1051 |
return; |
1052 |
|
1053 |
vtbl_errno = PL_vtbl_sv; |
1054 |
vtbl_errno.svt_get = errno_get; |
1055 |
mg->mg_virtual = &vtbl_errno; |
1056 |
} |
1057 |
|
1058 |
#if __GNUC__ >= 4 |
1059 |
# define noinline __attribute__ ((noinline)) |
1060 |
#else |
1061 |
# define noinline |
1062 |
#endif |
1063 |
|
1064 |
static noinline SV * |
1065 |
pop_callback (I32 *ritems, SV *sv) |
1066 |
{ |
1067 |
if (SvROK (sv)) |
1068 |
{ |
1069 |
HV *st; |
1070 |
GV *gvp; |
1071 |
CV *cv; |
1072 |
const char *name; |
1073 |
|
1074 |
/* forgive me */ |
1075 |
if (SvTYPE (SvRV (sv)) == SVt_PVMG |
1076 |
&& (st = SvSTASH (SvRV (sv))) |
1077 |
&& (name = HvNAME_get (st)) |
1078 |
&& (name [0] == 'B' && name [1] == 'D' && name [2] == 'B' && name [3] == ':')) |
1079 |
return 0; |
1080 |
|
1081 |
if ((cv = sv_2cv (sv, &st, &gvp, 0))) |
1082 |
{ |
1083 |
--*ritems; |
1084 |
return (SV *)cv; |
1085 |
} |
1086 |
} |
1087 |
|
1088 |
return 0; |
1089 |
} |
1090 |
|
1091 |
#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1)); |
1092 |
|
1093 |
MODULE = BDB PACKAGE = BDB |
1094 |
|
1095 |
PROTOTYPES: ENABLE |
1096 |
|
1097 |
BOOT: |
1098 |
{ |
1099 |
HV *stash = gv_stashpv ("BDB", 1); |
1100 |
|
1101 |
static const struct { |
1102 |
const char *name; |
1103 |
IV iv; |
1104 |
} *civ, const_iv[] = { |
1105 |
#define const_iv(name) { # name, (IV)DB_ ## name }, |
1106 |
const_iv (RPCCLIENT) |
1107 |
const_iv (INIT_CDB) |
1108 |
const_iv (INIT_LOCK) |
1109 |
const_iv (INIT_LOG) |
1110 |
const_iv (INIT_MPOOL) |
1111 |
const_iv (INIT_REP) |
1112 |
const_iv (INIT_TXN) |
1113 |
const_iv (RECOVER) |
1114 |
const_iv (INIT_TXN) |
1115 |
const_iv (RECOVER_FATAL) |
1116 |
const_iv (CREATE) |
1117 |
const_iv (RDONLY) |
1118 |
const_iv (USE_ENVIRON) |
1119 |
const_iv (USE_ENVIRON_ROOT) |
1120 |
const_iv (LOCKDOWN) |
1121 |
const_iv (PRIVATE) |
1122 |
const_iv (REGISTER) |
1123 |
const_iv (SYSTEM_MEM) |
1124 |
const_iv (AUTO_COMMIT) |
1125 |
const_iv (CDB_ALLDB) |
1126 |
const_iv (DIRECT_DB) |
1127 |
const_iv (DSYNC_DB) |
1128 |
const_iv (NOLOCKING) |
1129 |
const_iv (NOMMAP) |
1130 |
const_iv (NOPANIC) |
1131 |
const_iv (OVERWRITE) |
1132 |
const_iv (PANIC_ENVIRONMENT) |
1133 |
const_iv (REGION_INIT) |
1134 |
const_iv (TIME_NOTGRANTED) |
1135 |
const_iv (TXN_NOSYNC) |
1136 |
const_iv (TXN_NOT_DURABLE) |
1137 |
const_iv (TXN_WRITE_NOSYNC) |
1138 |
const_iv (WRITECURSOR) |
1139 |
const_iv (YIELDCPU) |
1140 |
const_iv (ENCRYPT_AES) |
1141 |
const_iv (XA_CREATE) |
1142 |
const_iv (BTREE) |
1143 |
const_iv (HASH) |
1144 |
const_iv (QUEUE) |
1145 |
const_iv (RECNO) |
1146 |
const_iv (UNKNOWN) |
1147 |
const_iv (EXCL) |
1148 |
const_iv (READ_COMMITTED) |
1149 |
const_iv (READ_UNCOMMITTED) |
1150 |
const_iv (TRUNCATE) |
1151 |
const_iv (NOSYNC) |
1152 |
const_iv (CHKSUM) |
1153 |
const_iv (ENCRYPT) |
1154 |
const_iv (DUP) |
1155 |
const_iv (DUPSORT) |
1156 |
const_iv (RECNUM) |
1157 |
const_iv (RENUMBER) |
1158 |
const_iv (REVSPLITOFF) |
1159 |
const_iv (INORDER) |
1160 |
const_iv (CONSUME) |
1161 |
const_iv (CONSUME_WAIT) |
1162 |
const_iv (GET_BOTH) |
1163 |
const_iv (GET_BOTH_RANGE) |
1164 |
//const_iv (SET_RECNO) |
1165 |
//const_iv (MULTIPLE) |
1166 |
const_iv (SNAPSHOT) |
1167 |
const_iv (JOIN_ITEM) |
1168 |
const_iv (JOIN_NOSORT) |
1169 |
const_iv (RMW) |
1170 |
|
1171 |
const_iv (NOTFOUND) |
1172 |
const_iv (KEYEMPTY) |
1173 |
const_iv (LOCK_DEADLOCK) |
1174 |
const_iv (LOCK_NOTGRANTED) |
1175 |
const_iv (RUNRECOVERY) |
1176 |
const_iv (OLD_VERSION) |
1177 |
const_iv (REP_HANDLE_DEAD) |
1178 |
const_iv (REP_LOCKOUT) |
1179 |
const_iv (SECONDARY_BAD) |
1180 |
|
1181 |
const_iv (FREE_SPACE) |
1182 |
const_iv (FREELIST_ONLY) |
1183 |
|
1184 |
const_iv (APPEND) |
1185 |
const_iv (NODUPDATA) |
1186 |
const_iv (NOOVERWRITE) |
1187 |
|
1188 |
const_iv (TXN_NOWAIT) |
1189 |
const_iv (TXN_SYNC) |
1190 |
|
1191 |
const_iv (SET_LOCK_TIMEOUT) |
1192 |
const_iv (SET_TXN_TIMEOUT) |
1193 |
|
1194 |
const_iv (FIRST) |
1195 |
const_iv (NEXT) |
1196 |
const_iv (NEXT_DUP) |
1197 |
const_iv (NEXT_NODUP) |
1198 |
const_iv (PREV) |
1199 |
const_iv (PREV_NODUP) |
1200 |
const_iv (SET) |
1201 |
const_iv (SET_RANGE) |
1202 |
const_iv (LAST) |
1203 |
const_iv (BEFORE) |
1204 |
const_iv (AFTER) |
1205 |
const_iv (CURRENT) |
1206 |
const_iv (KEYFIRST) |
1207 |
const_iv (KEYLAST) |
1208 |
const_iv (NODUPDATA) |
1209 |
|
1210 |
const_iv (FORCE) |
1211 |
|
1212 |
const_iv (LOCK_DEFAULT) |
1213 |
const_iv (LOCK_EXPIRE) |
1214 |
const_iv (LOCK_MAXLOCKS) |
1215 |
const_iv (LOCK_MAXWRITE) |
1216 |
const_iv (LOCK_MINLOCKS) |
1217 |
const_iv (LOCK_MINWRITE) |
1218 |
const_iv (LOCK_OLDEST) |
1219 |
const_iv (LOCK_RANDOM) |
1220 |
const_iv (LOCK_YOUNGEST) |
1221 |
|
1222 |
const_iv (SEQ_DEC) |
1223 |
const_iv (SEQ_INC) |
1224 |
const_iv (SEQ_WRAP) |
1225 |
|
1226 |
const_iv (BUFFER_SMALL) |
1227 |
const_iv (DONOTINDEX) |
1228 |
const_iv (KEYEMPTY ) |
1229 |
const_iv (KEYEXIST ) |
1230 |
const_iv (LOCK_DEADLOCK) |
1231 |
const_iv (LOCK_NOTGRANTED) |
1232 |
const_iv (LOG_BUFFER_FULL) |
1233 |
const_iv (NOSERVER) |
1234 |
const_iv (NOSERVER_HOME) |
1235 |
const_iv (NOSERVER_ID) |
1236 |
const_iv (NOTFOUND) |
1237 |
const_iv (PAGE_NOTFOUND) |
1238 |
const_iv (REP_DUPMASTER) |
1239 |
const_iv (REP_HANDLE_DEAD) |
1240 |
const_iv (REP_HOLDELECTION) |
1241 |
const_iv (REP_IGNORE) |
1242 |
const_iv (REP_ISPERM) |
1243 |
const_iv (REP_JOIN_FAILURE) |
1244 |
const_iv (REP_LOCKOUT) |
1245 |
const_iv (REP_NEWMASTER) |
1246 |
const_iv (REP_NEWSITE) |
1247 |
const_iv (REP_NOTPERM) |
1248 |
const_iv (REP_UNAVAIL) |
1249 |
const_iv (RUNRECOVERY) |
1250 |
const_iv (SECONDARY_BAD) |
1251 |
const_iv (VERIFY_BAD) |
1252 |
const_iv (VERSION_MISMATCH) |
1253 |
|
1254 |
const_iv (VERB_DEADLOCK) |
1255 |
const_iv (VERB_RECOVERY) |
1256 |
const_iv (VERB_REGISTER) |
1257 |
const_iv (VERB_REPLICATION) |
1258 |
const_iv (VERB_WAITSFOR) |
1259 |
|
1260 |
const_iv (VERSION_MAJOR) |
1261 |
const_iv (VERSION_MINOR) |
1262 |
const_iv (VERSION_PATCH) |
1263 |
#if DB_VERSION_MINOR >= 5 |
1264 |
const_iv (MULTIVERSION) |
1265 |
const_iv (TXN_SNAPSHOT) |
1266 |
#endif |
1267 |
#if DB_VERSION_MINOR >= 6 |
1268 |
const_iv (PREV_DUP) |
1269 |
const_iv (PRIORITY_UNCHANGED) |
1270 |
const_iv (PRIORITY_VERY_LOW) |
1271 |
const_iv (PRIORITY_LOW) |
1272 |
const_iv (PRIORITY_DEFAULT) |
1273 |
const_iv (PRIORITY_HIGH) |
1274 |
const_iv (PRIORITY_VERY_HIGH) |
1275 |
#endif |
1276 |
#if DB_VERSION_MINOR >= 7 |
1277 |
const_iv (LOG_DIRECT) |
1278 |
const_iv (LOG_DSYNC) |
1279 |
const_iv (LOG_AUTO_REMOVE) |
1280 |
const_iv (LOG_IN_MEMORY) |
1281 |
const_iv (LOG_ZERO) |
1282 |
#else |
1283 |
const_iv (DIRECT_LOG) |
1284 |
const_iv (DSYNC_LOG) |
1285 |
const_iv (LOG_AUTOREMOVE) |
1286 |
const_iv (LOG_INMEMORY) |
1287 |
#endif |
1288 |
}; |
1289 |
|
1290 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
1291 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
1292 |
|
1293 |
{ |
1294 |
/* we currently only allow version, minor-version and patchlevel to go up to 255 */ |
1295 |
char vstring[3] = { DB_VERSION_MAJOR, DB_VERSION_MINOR, DB_VERSION_PATCH }; |
1296 |
|
1297 |
newCONSTSUB (stash, "VERSION_v", newSVpvn (vstring, 3)); |
1298 |
} |
1299 |
|
1300 |
newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); |
1301 |
|
1302 |
create_respipe (); |
1303 |
|
1304 |
X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); |
1305 |
patch_errno (); |
1306 |
} |
1307 |
|
1308 |
void |
1309 |
max_poll_reqs (int nreqs) |
1310 |
PROTOTYPE: $ |
1311 |
CODE: |
1312 |
max_poll_reqs = nreqs; |
1313 |
|
1314 |
void |
1315 |
max_poll_time (double nseconds) |
1316 |
PROTOTYPE: $ |
1317 |
CODE: |
1318 |
max_poll_time = nseconds * AIO_TICKS; |
1319 |
|
1320 |
void |
1321 |
min_parallel (int nthreads) |
1322 |
PROTOTYPE: $ |
1323 |
|
1324 |
void |
1325 |
max_parallel (int nthreads) |
1326 |
PROTOTYPE: $ |
1327 |
|
1328 |
void |
1329 |
max_idle (int nthreads) |
1330 |
PROTOTYPE: $ |
1331 |
CODE: |
1332 |
set_max_idle (nthreads); |
1333 |
|
1334 |
int |
1335 |
max_outstanding (int maxreqs) |
1336 |
PROTOTYPE: $ |
1337 |
CODE: |
1338 |
RETVAL = max_outstanding; |
1339 |
max_outstanding = maxreqs; |
1340 |
OUTPUT: |
1341 |
RETVAL |
1342 |
|
1343 |
int |
1344 |
dbreq_pri (int pri = 0) |
1345 |
PROTOTYPE: ;$ |
1346 |
CODE: |
1347 |
RETVAL = next_pri - PRI_BIAS; |
1348 |
if (items > 0) |
1349 |
{ |
1350 |
if (pri < PRI_MIN) pri = PRI_MIN; |
1351 |
if (pri > PRI_MAX) pri = PRI_MAX; |
1352 |
next_pri = pri + PRI_BIAS; |
1353 |
} |
1354 |
OUTPUT: |
1355 |
RETVAL |
1356 |
|
1357 |
void |
1358 |
dbreq_nice (int nice = 0) |
1359 |
CODE: |
1360 |
nice = next_pri - nice; |
1361 |
if (nice < PRI_MIN) nice = PRI_MIN; |
1362 |
if (nice > PRI_MAX) nice = PRI_MAX; |
1363 |
next_pri = nice + PRI_BIAS; |
1364 |
|
1365 |
void |
1366 |
flush () |
1367 |
PROTOTYPE: |
1368 |
CODE: |
1369 |
while (nreqs) |
1370 |
{ |
1371 |
poll_wait (); |
1372 |
poll_cb (); |
1373 |
} |
1374 |
|
1375 |
int |
1376 |
poll () |
1377 |
PROTOTYPE: |
1378 |
CODE: |
1379 |
poll_wait (); |
1380 |
RETVAL = poll_cb (); |
1381 |
OUTPUT: |
1382 |
RETVAL |
1383 |
|
1384 |
int |
1385 |
poll_fileno () |
1386 |
PROTOTYPE: |
1387 |
CODE: |
1388 |
RETVAL = respipe [0]; |
1389 |
OUTPUT: |
1390 |
RETVAL |
1391 |
|
1392 |
int |
1393 |
poll_cb (...) |
1394 |
PROTOTYPE: |
1395 |
CODE: |
1396 |
RETVAL = poll_cb (); |
1397 |
OUTPUT: |
1398 |
RETVAL |
1399 |
|
1400 |
void |
1401 |
poll_wait () |
1402 |
PROTOTYPE: |
1403 |
CODE: |
1404 |
poll_wait (); |
1405 |
|
1406 |
int |
1407 |
nreqs () |
1408 |
PROTOTYPE: |
1409 |
CODE: |
1410 |
RETVAL = nreqs; |
1411 |
OUTPUT: |
1412 |
RETVAL |
1413 |
|
1414 |
int |
1415 |
nready () |
1416 |
PROTOTYPE: |
1417 |
CODE: |
1418 |
RETVAL = get_nready (); |
1419 |
OUTPUT: |
1420 |
RETVAL |
1421 |
|
1422 |
int |
1423 |
npending () |
1424 |
PROTOTYPE: |
1425 |
CODE: |
1426 |
RETVAL = get_npending (); |
1427 |
OUTPUT: |
1428 |
RETVAL |
1429 |
|
1430 |
int |
1431 |
nthreads () |
1432 |
PROTOTYPE: |
1433 |
CODE: |
1434 |
if (WORDACCESS_UNSAFE) X_LOCK (wrklock); |
1435 |
RETVAL = started; |
1436 |
if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock); |
1437 |
OUTPUT: |
1438 |
RETVAL |
1439 |
|
1440 |
void |
1441 |
set_sync_prepare (SV *cb) |
1442 |
PROTOTYPE: & |
1443 |
CODE: |
1444 |
SvREFCNT_dec (prepare_cb); |
1445 |
prepare_cb = newSVsv (cb); |
1446 |
|
1447 |
char * |
1448 |
strerror (int errorno = errno) |
1449 |
PROTOTYPE: ;$ |
1450 |
CODE: |
1451 |
RETVAL = db_strerror (errorno); |
1452 |
OUTPUT: |
1453 |
RETVAL |
1454 |
|
1455 |
void _on_next_submit (SV *cb) |
1456 |
CODE: |
1457 |
SvREFCNT_dec (on_next_submit); |
1458 |
on_next_submit = SvOK (cb) ? newSVsv (cb) : 0; |
1459 |
|
1460 |
DB_ENV * |
1461 |
db_env_create (U32 env_flags = 0) |
1462 |
CODE: |
1463 |
{ |
1464 |
errno = db_env_create (&RETVAL, env_flags); |
1465 |
if (errno) |
1466 |
croak ("db_env_create: %s", db_strerror (errno)); |
1467 |
|
1468 |
if (0) |
1469 |
{ |
1470 |
RETVAL->set_errcall (RETVAL, debug_errcall); |
1471 |
RETVAL->set_msgcall (RETVAL, debug_msgcall); |
1472 |
} |
1473 |
} |
1474 |
OUTPUT: |
1475 |
RETVAL |
1476 |
|
1477 |
void |
1478 |
db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = 0) |
1479 |
PREINIT: |
1480 |
CALLBACK |
1481 |
CODE: |
1482 |
{ |
1483 |
dREQ (REQ_ENV_OPEN); |
1484 |
req->env = env; |
1485 |
req->uint1 = open_flags | DB_THREAD; |
1486 |
req->int1 = mode; |
1487 |
req->buf1 = strdup_ornull (db_home); |
1488 |
REQ_SEND; |
1489 |
} |
1490 |
|
1491 |
void |
1492 |
db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = 0) |
1493 |
PREINIT: |
1494 |
CALLBACK |
1495 |
CODE: |
1496 |
{ |
1497 |
dREQ (REQ_ENV_CLOSE); |
1498 |
req->env = env; |
1499 |
req->uint1 = flags; |
1500 |
REQ_SEND; |
1501 |
ptr_nuke (ST (0)); |
1502 |
} |
1503 |
|
1504 |
void |
1505 |
db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = 0) |
1506 |
PREINIT: |
1507 |
CALLBACK |
1508 |
CODE: |
1509 |
{ |
1510 |
dREQ (REQ_ENV_TXN_CHECKPOINT); |
1511 |
req->env = env; |
1512 |
req->uint1 = kbyte; |
1513 |
req->int1 = min; |
1514 |
req->uint2 = flags; |
1515 |
REQ_SEND; |
1516 |
} |
1517 |
|
1518 |
void |
1519 |
db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = 0) |
1520 |
PREINIT: |
1521 |
CALLBACK |
1522 |
CODE: |
1523 |
{ |
1524 |
dREQ (REQ_ENV_LOCK_DETECT); |
1525 |
req->env = env; |
1526 |
req->uint1 = flags; |
1527 |
req->uint2 = atype; |
1528 |
/* req->int2 = 0; dummy */ |
1529 |
REQ_SEND; |
1530 |
} |
1531 |
|
1532 |
void |
1533 |
db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = 0) |
1534 |
PREINIT: |
1535 |
CALLBACK |
1536 |
CODE: |
1537 |
{ |
1538 |
dREQ (REQ_ENV_MEMP_SYNC); |
1539 |
req->env = env; |
1540 |
REQ_SEND; |
1541 |
} |
1542 |
|
1543 |
void |
1544 |
db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = 0) |
1545 |
PREINIT: |
1546 |
CALLBACK |
1547 |
CODE: |
1548 |
{ |
1549 |
dREQ (REQ_ENV_MEMP_TRICKLE); |
1550 |
req->env = env; |
1551 |
req->int1 = percent; |
1552 |
REQ_SEND; |
1553 |
} |
1554 |
|
1555 |
void |
1556 |
db_env_dbremove (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, U32 flags = 0, SV *callback = 0) |
1557 |
PREINIT: |
1558 |
CALLBACK |
1559 |
CODE: |
1560 |
{ |
1561 |
dREQ (REQ_ENV_DBREMOVE); |
1562 |
req->env = env; |
1563 |
req->buf1 = strdup_ornull (file); |
1564 |
req->buf2 = strdup_ornull (database); |
1565 |
req->uint1 = flags; |
1566 |
REQ_SEND; |
1567 |
} |
1568 |
|
1569 |
void |
1570 |
db_env_dbrename (DB_ENV *env, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, bdb_filename newname, U32 flags = 0, SV *callback = 0) |
1571 |
PREINIT: |
1572 |
CALLBACK |
1573 |
CODE: |
1574 |
{ |
1575 |
dREQ (REQ_ENV_DBRENAME); |
1576 |
req->env = env; |
1577 |
req->buf1 = strdup_ornull (file); |
1578 |
req->buf2 = strdup_ornull (database); |
1579 |
req->buf3 = strdup_ornull (newname); |
1580 |
req->uint1 = flags; |
1581 |
REQ_SEND; |
1582 |
} |
1583 |
|
1584 |
DB * |
1585 |
db_create (DB_ENV *env = 0, U32 flags = 0) |
1586 |
CODE: |
1587 |
{ |
1588 |
errno = db_create (&RETVAL, env, flags); |
1589 |
if (errno) |
1590 |
croak ("db_create: %s", db_strerror (errno)); |
1591 |
|
1592 |
if (RETVAL) |
1593 |
RETVAL->app_private = (void *)newSVsv (ST (0)); |
1594 |
} |
1595 |
OUTPUT: |
1596 |
RETVAL |
1597 |
|
1598 |
void |
1599 |
db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = 0) |
1600 |
PREINIT: |
1601 |
CALLBACK |
1602 |
CODE: |
1603 |
{ |
1604 |
dREQ (REQ_DB_OPEN); |
1605 |
req->db = db; |
1606 |
req->txn = txnid; |
1607 |
req->buf1 = strdup_ornull (file); |
1608 |
req->buf2 = strdup_ornull (database); |
1609 |
req->int1 = type; |
1610 |
req->uint1 = flags | DB_THREAD; |
1611 |
req->int2 = mode; |
1612 |
REQ_SEND; |
1613 |
} |
1614 |
|
1615 |
void |
1616 |
db_close (DB *db, U32 flags = 0, SV *callback = 0) |
1617 |
PREINIT: |
1618 |
CALLBACK |
1619 |
CODE: |
1620 |
{ |
1621 |
dREQ (REQ_DB_CLOSE); |
1622 |
req->db = db; |
1623 |
req->uint1 = flags; |
1624 |
req->sv1 = (SV *)db->app_private; |
1625 |
REQ_SEND; |
1626 |
ptr_nuke (ST (0)); |
1627 |
} |
1628 |
|
1629 |
void |
1630 |
db_compact (DB *db, DB_TXN_ornull *txn = 0, SV *start = 0, SV *stop = 0, SV *unused1 = 0, U32 flags = DB_FREE_SPACE, SV *unused2 = 0, SV *callback = 0) |
1631 |
PREINIT: |
1632 |
CALLBACK |
1633 |
CODE: |
1634 |
{ |
1635 |
dREQ (REQ_DB_COMPACT); |
1636 |
req->db = db; |
1637 |
req->txn = txn; |
1638 |
sv_to_dbt (&req->dbt1, start); |
1639 |
sv_to_dbt (&req->dbt2, stop); |
1640 |
req->uint1 = flags; |
1641 |
REQ_SEND; |
1642 |
} |
1643 |
|
1644 |
void |
1645 |
db_sync (DB *db, U32 flags = 0, SV *callback = 0) |
1646 |
PREINIT: |
1647 |
CALLBACK |
1648 |
CODE: |
1649 |
{ |
1650 |
dREQ (REQ_DB_SYNC); |
1651 |
req->db = db; |
1652 |
req->uint1 = flags; |
1653 |
REQ_SEND; |
1654 |
} |
1655 |
|
1656 |
void |
1657 |
db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0) |
1658 |
PREINIT: |
1659 |
CALLBACK |
1660 |
CODE: |
1661 |
{ |
1662 |
dREQ (REQ_DB_SYNC); |
1663 |
req->db = db; |
1664 |
req->buf1 = strdup (file); |
1665 |
req->uint1 = flags; |
1666 |
REQ_SEND; |
1667 |
} |
1668 |
|
1669 |
void |
1670 |
db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = 0) |
1671 |
PREINIT: |
1672 |
CALLBACK |
1673 |
CODE: |
1674 |
{ |
1675 |
dREQ (REQ_DB_KEY_RANGE); |
1676 |
req->db = db; |
1677 |
req->txn = txn; |
1678 |
sv_to_dbt (&req->dbt1, key); |
1679 |
req->uint1 = flags; |
1680 |
req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range); |
1681 |
REQ_SEND; |
1682 |
} |
1683 |
|
1684 |
void |
1685 |
db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0) |
1686 |
PREINIT: |
1687 |
CALLBACK |
1688 |
CODE: |
1689 |
{ |
1690 |
dREQ (REQ_DB_PUT); |
1691 |
req->db = db; |
1692 |
req->txn = txn; |
1693 |
sv_to_dbt (&req->dbt1, key); |
1694 |
sv_to_dbt (&req->dbt2, data); |
1695 |
req->uint1 = flags; |
1696 |
REQ_SEND; |
1697 |
} |
1698 |
|
1699 |
#if DB_VERSION_MINOR >= 6 |
1700 |
|
1701 |
void |
1702 |
db_exists (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0) |
1703 |
PREINIT: |
1704 |
CALLBACK |
1705 |
CODE: |
1706 |
{ |
1707 |
dREQ (REQ_DB_EXISTS); |
1708 |
req->db = db; |
1709 |
req->txn = txn; |
1710 |
req->uint1 = flags; |
1711 |
sv_to_dbt (&req->dbt1, key); |
1712 |
REQ_SEND; |
1713 |
} |
1714 |
|
1715 |
#endif |
1716 |
|
1717 |
void |
1718 |
db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = 0) |
1719 |
PREINIT: |
1720 |
CALLBACK |
1721 |
CODE: |
1722 |
if (SvREADONLY (data)) |
1723 |
croak ("can't modify read-only data scalar in db_get"); |
1724 |
{ |
1725 |
dREQ (REQ_DB_GET); |
1726 |
req->db = db; |
1727 |
req->txn = txn; |
1728 |
req->uint1 = flags; |
1729 |
sv_to_dbt (&req->dbt1, key); |
1730 |
req->dbt3.flags = DB_DBT_MALLOC; |
1731 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1732 |
REQ_SEND; |
1733 |
} |
1734 |
|
1735 |
void |
1736 |
db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0) |
1737 |
PREINIT: |
1738 |
CALLBACK |
1739 |
CODE: |
1740 |
if (SvREADONLY (data)) |
1741 |
croak ("can't modify read-only data scalar in db_pget"); |
1742 |
{ |
1743 |
dREQ (REQ_DB_PGET); |
1744 |
req->db = db; |
1745 |
req->txn = txn; |
1746 |
req->uint1 = flags; |
1747 |
sv_to_dbt (&req->dbt1, key); |
1748 |
sv_to_dbt (&req->dbt2, pkey); |
1749 |
req->dbt3.flags = DB_DBT_MALLOC; |
1750 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1751 |
REQ_SEND; |
1752 |
} |
1753 |
|
1754 |
void |
1755 |
db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = 0) |
1756 |
PREINIT: |
1757 |
CALLBACK |
1758 |
CODE: |
1759 |
{ |
1760 |
dREQ (REQ_DB_DEL); |
1761 |
req->db = db; |
1762 |
req->txn = txn; |
1763 |
req->uint1 = flags; |
1764 |
sv_to_dbt (&req->dbt1, key); |
1765 |
REQ_SEND; |
1766 |
} |
1767 |
|
1768 |
void |
1769 |
db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = 0) |
1770 |
PREINIT: |
1771 |
CALLBACK |
1772 |
CODE: |
1773 |
{ |
1774 |
dREQ (REQ_TXN_COMMIT); |
1775 |
req->txn = txn; |
1776 |
req->uint1 = flags; |
1777 |
REQ_SEND; |
1778 |
ptr_nuke (ST (0)); |
1779 |
} |
1780 |
|
1781 |
void |
1782 |
db_txn_abort (DB_TXN *txn, SV *callback = 0) |
1783 |
PREINIT: |
1784 |
CALLBACK |
1785 |
CODE: |
1786 |
{ |
1787 |
dREQ (REQ_TXN_ABORT); |
1788 |
req->txn = txn; |
1789 |
REQ_SEND; |
1790 |
ptr_nuke (ST (0)); |
1791 |
} |
1792 |
|
1793 |
void |
1794 |
db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = 0) |
1795 |
PREINIT: |
1796 |
CALLBACK |
1797 |
CODE: |
1798 |
{ |
1799 |
dREQ (REQ_TXN_FINISH); |
1800 |
req->txn = txn; |
1801 |
req->uint1 = flags; |
1802 |
REQ_SEND; |
1803 |
ptr_nuke (ST (0)); |
1804 |
} |
1805 |
|
1806 |
void |
1807 |
db_c_close (DBC *dbc, SV *callback = 0) |
1808 |
PREINIT: |
1809 |
CALLBACK |
1810 |
CODE: |
1811 |
{ |
1812 |
dREQ (REQ_C_CLOSE); |
1813 |
req->dbc = dbc; |
1814 |
REQ_SEND; |
1815 |
ptr_nuke (ST (0)); |
1816 |
} |
1817 |
|
1818 |
void |
1819 |
db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = 0) |
1820 |
PREINIT: |
1821 |
CALLBACK |
1822 |
CODE: |
1823 |
{ |
1824 |
dREQ (REQ_C_COUNT); |
1825 |
req->dbc = dbc; |
1826 |
req->sv1 = SvREFCNT_inc (count); |
1827 |
REQ_SEND; |
1828 |
} |
1829 |
|
1830 |
void |
1831 |
db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0) |
1832 |
PREINIT: |
1833 |
CALLBACK |
1834 |
CODE: |
1835 |
{ |
1836 |
dREQ (REQ_C_PUT); |
1837 |
req->dbc = dbc; |
1838 |
sv_to_dbt (&req->dbt1, key); |
1839 |
sv_to_dbt (&req->dbt2, data); |
1840 |
req->uint1 = flags; |
1841 |
REQ_SEND; |
1842 |
} |
1843 |
|
1844 |
void |
1845 |
db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = 0) |
1846 |
PREINIT: |
1847 |
CALLBACK |
1848 |
CODE: |
1849 |
{ |
1850 |
dREQ (REQ_C_GET); |
1851 |
req->dbc = dbc; |
1852 |
req->uint1 = flags; |
1853 |
if ((flags & DB_SET) == DB_SET |
1854 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1855 |
sv_to_dbt (&req->dbt1, key); |
1856 |
else |
1857 |
req->dbt1.flags = DB_DBT_MALLOC; |
1858 |
|
1859 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1860 |
|
1861 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1862 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1863 |
sv_to_dbt (&req->dbt3, data); |
1864 |
else |
1865 |
req->dbt3.flags = DB_DBT_MALLOC; |
1866 |
|
1867 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1868 |
REQ_SEND; |
1869 |
} |
1870 |
|
1871 |
void |
1872 |
db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = 0) |
1873 |
PREINIT: |
1874 |
CALLBACK |
1875 |
CODE: |
1876 |
{ |
1877 |
dREQ (REQ_C_PGET); |
1878 |
req->dbc = dbc; |
1879 |
req->uint1 = flags; |
1880 |
if ((flags & DB_SET) == DB_SET |
1881 |
|| (flags & DB_SET_RANGE) == DB_SET_RANGE) |
1882 |
sv_to_dbt (&req->dbt1, key); |
1883 |
else |
1884 |
req->dbt1.flags = DB_DBT_MALLOC; |
1885 |
|
1886 |
req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key); |
1887 |
|
1888 |
req->dbt2.flags = DB_DBT_MALLOC; |
1889 |
req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey); |
1890 |
|
1891 |
if ((flags & DB_GET_BOTH) == DB_GET_BOTH |
1892 |
|| (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE) |
1893 |
sv_to_dbt (&req->dbt3, data); |
1894 |
else |
1895 |
req->dbt3.flags = DB_DBT_MALLOC; |
1896 |
|
1897 |
req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data); |
1898 |
REQ_SEND; |
1899 |
} |
1900 |
|
1901 |
void |
1902 |
db_c_del (DBC *dbc, U32 flags = 0, SV *callback = 0) |
1903 |
PREINIT: |
1904 |
CALLBACK |
1905 |
CODE: |
1906 |
{ |
1907 |
dREQ (REQ_C_DEL); |
1908 |
req->dbc = dbc; |
1909 |
req->uint1 = flags; |
1910 |
REQ_SEND; |
1911 |
} |
1912 |
|
1913 |
|
1914 |
void |
1915 |
db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = 0) |
1916 |
PREINIT: |
1917 |
CALLBACK |
1918 |
CODE: |
1919 |
{ |
1920 |
dREQ (REQ_SEQ_OPEN); |
1921 |
req->seq = seq; |
1922 |
req->txn = txnid; |
1923 |
req->uint1 = flags | DB_THREAD; |
1924 |
sv_to_dbt (&req->dbt1, key); |
1925 |
REQ_SEND; |
1926 |
} |
1927 |
|
1928 |
void |
1929 |
db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = 0) |
1930 |
PREINIT: |
1931 |
CALLBACK |
1932 |
CODE: |
1933 |
{ |
1934 |
dREQ (REQ_SEQ_CLOSE); |
1935 |
req->seq = seq; |
1936 |
req->uint1 = flags; |
1937 |
REQ_SEND; |
1938 |
ptr_nuke (ST (0)); |
1939 |
} |
1940 |
|
1941 |
void |
1942 |
db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = 0) |
1943 |
PREINIT: |
1944 |
CALLBACK |
1945 |
CODE: |
1946 |
{ |
1947 |
dREQ (REQ_SEQ_GET); |
1948 |
req->seq = seq; |
1949 |
req->txn = txnid; |
1950 |
req->int1 = delta; |
1951 |
req->uint1 = flags; |
1952 |
req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value); |
1953 |
REQ_SEND; |
1954 |
} |
1955 |
|
1956 |
void |
1957 |
db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = 0) |
1958 |
PREINIT: |
1959 |
CALLBACK |
1960 |
CODE: |
1961 |
{ |
1962 |
dREQ (REQ_SEQ_REMOVE); |
1963 |
req->seq = seq; |
1964 |
req->txn = txnid; |
1965 |
req->uint1 = flags; |
1966 |
REQ_SEND; |
1967 |
} |
1968 |
|
1969 |
|
1970 |
MODULE = BDB PACKAGE = BDB::Env |
1971 |
|
1972 |
void |
1973 |
DESTROY (DB_ENV_ornuked *env) |
1974 |
CODE: |
1975 |
if (env) |
1976 |
env->close (env, 0); |
1977 |
|
1978 |
int set_data_dir (DB_ENV *env, const char *dir) |
1979 |
CODE: |
1980 |
RETVAL = env->set_data_dir (env, dir); |
1981 |
OUTPUT: |
1982 |
RETVAL |
1983 |
|
1984 |
int set_tmp_dir (DB_ENV *env, const char *dir) |
1985 |
CODE: |
1986 |
RETVAL = env->set_tmp_dir (env, dir); |
1987 |
OUTPUT: |
1988 |
RETVAL |
1989 |
|
1990 |
int set_lg_dir (DB_ENV *env, const char *dir) |
1991 |
CODE: |
1992 |
RETVAL = env->set_lg_dir (env, dir); |
1993 |
OUTPUT: |
1994 |
RETVAL |
1995 |
|
1996 |
int set_shm_key (DB_ENV *env, long shm_key) |
1997 |
CODE: |
1998 |
RETVAL = env->set_shm_key (env, shm_key); |
1999 |
OUTPUT: |
2000 |
RETVAL |
2001 |
|
2002 |
int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) |
2003 |
CODE: |
2004 |
RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); |
2005 |
OUTPUT: |
2006 |
RETVAL |
2007 |
|
2008 |
int set_flags (DB_ENV *env, U32 flags, int onoff = 1) |
2009 |
CODE: |
2010 |
RETVAL = env->set_flags (env, flags, onoff); |
2011 |
OUTPUT: |
2012 |
RETVAL |
2013 |
|
2014 |
#if DB_VERSION_MINOR >= 7 |
2015 |
|
2016 |
int set_intermediate_dir_mode (DB_ENV *env, const char *mode) |
2017 |
CODE: |
2018 |
RETVAL = env->set_intermediate_dir_mode (env, mode); |
2019 |
OUTPUT: |
2020 |
RETVAL |
2021 |
|
2022 |
int log_set_config (DB_ENV *env, U32 flags, int onoff = 1) |
2023 |
CODE: |
2024 |
RETVAL = env->log_set_config (env, flags, onoff); |
2025 |
OUTPUT: |
2026 |
RETVAL |
2027 |
|
2028 |
#endif |
2029 |
|
2030 |
|
2031 |
void set_errfile (DB_ENV *env, FILE *errfile = 0) |
2032 |
CODE: |
2033 |
env->set_errfile (env, errfile); |
2034 |
|
2035 |
void set_msgfile (DB_ENV *env, FILE *msgfile = 0) |
2036 |
CODE: |
2037 |
env->set_msgfile (env, msgfile); |
2038 |
|
2039 |
int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1) |
2040 |
CODE: |
2041 |
RETVAL = env->set_verbose (env, which, onoff); |
2042 |
OUTPUT: |
2043 |
RETVAL |
2044 |
|
2045 |
int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
2046 |
CODE: |
2047 |
RETVAL = env->set_encrypt (env, password, flags); |
2048 |
OUTPUT: |
2049 |
RETVAL |
2050 |
|
2051 |
int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
2052 |
CODE: |
2053 |
RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
2054 |
OUTPUT: |
2055 |
RETVAL |
2056 |
|
2057 |
int set_mp_max_openfd (DB_ENV *env, int maxopenfd); |
2058 |
CODE: |
2059 |
RETVAL = env->set_mp_max_openfd (env, maxopenfd); |
2060 |
OUTPUT: |
2061 |
RETVAL |
2062 |
|
2063 |
int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep); |
2064 |
CODE: |
2065 |
RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep); |
2066 |
OUTPUT: |
2067 |
RETVAL |
2068 |
|
2069 |
int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb) |
2070 |
CODE: |
2071 |
RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20); |
2072 |
OUTPUT: |
2073 |
RETVAL |
2074 |
|
2075 |
int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT) |
2076 |
CODE: |
2077 |
RETVAL = env->set_lk_detect (env, detect); |
2078 |
OUTPUT: |
2079 |
RETVAL |
2080 |
|
2081 |
int set_lk_max_lockers (DB_ENV *env, U32 max) |
2082 |
CODE: |
2083 |
RETVAL = env->set_lk_max_lockers (env, max); |
2084 |
OUTPUT: |
2085 |
RETVAL |
2086 |
|
2087 |
int set_lk_max_locks (DB_ENV *env, U32 max) |
2088 |
CODE: |
2089 |
RETVAL = env->set_lk_max_locks (env, max); |
2090 |
OUTPUT: |
2091 |
RETVAL |
2092 |
|
2093 |
int set_lk_max_objects (DB_ENV *env, U32 max) |
2094 |
CODE: |
2095 |
RETVAL = env->set_lk_max_objects (env, max); |
2096 |
OUTPUT: |
2097 |
RETVAL |
2098 |
|
2099 |
int set_lg_bsize (DB_ENV *env, U32 max) |
2100 |
CODE: |
2101 |
RETVAL = env->set_lg_bsize (env, max); |
2102 |
OUTPUT: |
2103 |
RETVAL |
2104 |
|
2105 |
int set_lg_max (DB_ENV *env, U32 max) |
2106 |
CODE: |
2107 |
RETVAL = env->set_lg_max (env, max); |
2108 |
OUTPUT: |
2109 |
RETVAL |
2110 |
|
2111 |
int mutex_set_max (DB_ENV *env, U32 max) |
2112 |
CODE: |
2113 |
RETVAL = env->mutex_set_max (env, max); |
2114 |
OUTPUT: |
2115 |
RETVAL |
2116 |
|
2117 |
int mutex_set_increment (DB_ENV *env, U32 increment) |
2118 |
CODE: |
2119 |
RETVAL = env->mutex_set_increment (env, increment); |
2120 |
OUTPUT: |
2121 |
RETVAL |
2122 |
|
2123 |
int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins) |
2124 |
CODE: |
2125 |
RETVAL = env->mutex_set_tas_spins (env, tas_spins); |
2126 |
OUTPUT: |
2127 |
RETVAL |
2128 |
|
2129 |
int mutex_set_align (DB_ENV *env, U32 align) |
2130 |
CODE: |
2131 |
RETVAL = env->mutex_set_align (env, align); |
2132 |
OUTPUT: |
2133 |
RETVAL |
2134 |
|
2135 |
DB_TXN * |
2136 |
txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) |
2137 |
CODE: |
2138 |
errno = env->txn_begin (env, parent, &RETVAL, flags); |
2139 |
if (errno) |
2140 |
croak ("DB_ENV->txn_begin: %s", db_strerror (errno)); |
2141 |
OUTPUT: |
2142 |
RETVAL |
2143 |
|
2144 |
#if DB_VERSION_MINOR >= 5 |
2145 |
|
2146 |
DB_TXN * |
2147 |
cdsgroup_begin (DB_ENV *env) |
2148 |
CODE: |
2149 |
errno = env->cdsgroup_begin (env, &RETVAL); |
2150 |
if (errno) |
2151 |
croak ("DB_ENV->cdsgroup_begin: %s", db_strerror (errno)); |
2152 |
OUTPUT: |
2153 |
RETVAL |
2154 |
|
2155 |
#endif |
2156 |
|
2157 |
MODULE = BDB PACKAGE = BDB::Db |
2158 |
|
2159 |
void |
2160 |
DESTROY (DB_ornuked *db) |
2161 |
CODE: |
2162 |
if (db) |
2163 |
{ |
2164 |
SV *env = (SV *)db->app_private; |
2165 |
db->close (db, 0); |
2166 |
SvREFCNT_dec (env); |
2167 |
} |
2168 |
|
2169 |
int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0) |
2170 |
CODE: |
2171 |
RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
2172 |
OUTPUT: |
2173 |
RETVAL |
2174 |
|
2175 |
int set_flags (DB *db, U32 flags) |
2176 |
CODE: |
2177 |
RETVAL = db->set_flags (db, flags); |
2178 |
OUTPUT: |
2179 |
RETVAL |
2180 |
|
2181 |
int set_encrypt (DB *db, const char *password, U32 flags) |
2182 |
CODE: |
2183 |
RETVAL = db->set_encrypt (db, password, flags); |
2184 |
OUTPUT: |
2185 |
RETVAL |
2186 |
|
2187 |
int set_lorder (DB *db, int lorder) |
2188 |
CODE: |
2189 |
RETVAL = db->set_lorder (db, lorder); |
2190 |
OUTPUT: |
2191 |
RETVAL |
2192 |
|
2193 |
int set_bt_minkey (DB *db, U32 minkey) |
2194 |
CODE: |
2195 |
RETVAL = db->set_bt_minkey (db, minkey); |
2196 |
OUTPUT: |
2197 |
RETVAL |
2198 |
|
2199 |
int set_re_delim (DB *db, int delim) |
2200 |
CODE: |
2201 |
RETVAL = db->set_re_delim (db, delim); |
2202 |
OUTPUT: |
2203 |
RETVAL |
2204 |
|
2205 |
int set_re_pad (DB *db, int re_pad) |
2206 |
CODE: |
2207 |
RETVAL = db->set_re_pad (db, re_pad); |
2208 |
OUTPUT: |
2209 |
RETVAL |
2210 |
|
2211 |
int set_re_source (DB *db, char *source) |
2212 |
CODE: |
2213 |
RETVAL = db->set_re_source (db, source); |
2214 |
OUTPUT: |
2215 |
RETVAL |
2216 |
|
2217 |
int set_re_len (DB *db, U32 re_len) |
2218 |
CODE: |
2219 |
RETVAL = db->set_re_len (db, re_len); |
2220 |
OUTPUT: |
2221 |
RETVAL |
2222 |
|
2223 |
int set_h_ffactor (DB *db, U32 h_ffactor) |
2224 |
CODE: |
2225 |
RETVAL = db->set_h_ffactor (db, h_ffactor); |
2226 |
OUTPUT: |
2227 |
RETVAL |
2228 |
|
2229 |
int set_h_nelem (DB *db, U32 h_nelem) |
2230 |
CODE: |
2231 |
RETVAL = db->set_h_nelem (db, h_nelem); |
2232 |
OUTPUT: |
2233 |
RETVAL |
2234 |
|
2235 |
int set_q_extentsize (DB *db, U32 extentsize) |
2236 |
CODE: |
2237 |
RETVAL = db->set_q_extentsize (db, extentsize); |
2238 |
OUTPUT: |
2239 |
RETVAL |
2240 |
|
2241 |
DBC * |
2242 |
cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0) |
2243 |
CODE: |
2244 |
errno = db->cursor (db, txn, &RETVAL, flags); |
2245 |
if (errno) |
2246 |
croak ("DB->cursor: %s", db_strerror (errno)); |
2247 |
OUTPUT: |
2248 |
RETVAL |
2249 |
|
2250 |
DB_SEQUENCE * |
2251 |
sequence (DB *db, U32 flags = 0) |
2252 |
CODE: |
2253 |
{ |
2254 |
errno = db_sequence_create (&RETVAL, db, flags); |
2255 |
if (errno) |
2256 |
croak ("db_sequence_create: %s", db_strerror (errno)); |
2257 |
} |
2258 |
OUTPUT: |
2259 |
RETVAL |
2260 |
|
2261 |
|
2262 |
MODULE = BDB PACKAGE = BDB::Txn |
2263 |
|
2264 |
void |
2265 |
DESTROY (DB_TXN_ornuked *txn) |
2266 |
CODE: |
2267 |
if (txn) |
2268 |
txn->abort (txn); |
2269 |
|
2270 |
int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT) |
2271 |
CODE: |
2272 |
RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
2273 |
OUTPUT: |
2274 |
RETVAL |
2275 |
|
2276 |
int failed (DB_TXN *txn) |
2277 |
CODE: |
2278 |
RETVAL = !!(txn->flags & TXN_DEADLOCK); |
2279 |
OUTPUT: |
2280 |
RETVAL |
2281 |
|
2282 |
|
2283 |
MODULE = BDB PACKAGE = BDB::Cursor |
2284 |
|
2285 |
void |
2286 |
DESTROY (DBC_ornuked *dbc) |
2287 |
CODE: |
2288 |
if (dbc) |
2289 |
dbc->c_close (dbc); |
2290 |
|
2291 |
#if DB_VERSION_MINOR >= 6 |
2292 |
|
2293 |
int set_priority (DBC *dbc, int priority) |
2294 |
CODE: |
2295 |
dbc->set_priority (dbc, priority); |
2296 |
|
2297 |
#endif |
2298 |
|
2299 |
MODULE = BDB PACKAGE = BDB::Sequence |
2300 |
|
2301 |
void |
2302 |
DESTROY (DB_SEQUENCE_ornuked *seq) |
2303 |
CODE: |
2304 |
if (seq) |
2305 |
seq->close (seq, 0); |
2306 |
|
2307 |
int initial_value (DB_SEQUENCE *seq, db_seq_t value) |
2308 |
CODE: |
2309 |
RETVAL = seq->initial_value (seq, value); |
2310 |
OUTPUT: |
2311 |
RETVAL |
2312 |
|
2313 |
int set_cachesize (DB_SEQUENCE *seq, U32 size) |
2314 |
CODE: |
2315 |
RETVAL = seq->set_cachesize (seq, size); |
2316 |
OUTPUT: |
2317 |
RETVAL |
2318 |
|
2319 |
int set_flags (DB_SEQUENCE *seq, U32 flags) |
2320 |
CODE: |
2321 |
RETVAL = seq->set_flags (seq, flags); |
2322 |
OUTPUT: |
2323 |
RETVAL |
2324 |
|
2325 |
int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max) |
2326 |
CODE: |
2327 |
RETVAL = seq->set_range (seq, min, max); |
2328 |
OUTPUT: |
2329 |
RETVAL |
2330 |
|
2331 |
|