1 |
/* solaris */ |
2 |
#define _POSIX_PTHREAD_SEMANTICS 1 |
3 |
|
4 |
#if __linux && !defined(_GNU_SOURCE) |
5 |
# define _GNU_SOURCE |
6 |
#endif |
7 |
|
8 |
/* just in case */ |
9 |
#define _REENTRANT 1 |
10 |
|
11 |
#include <errno.h> |
12 |
|
13 |
#include "EXTERN.h" |
14 |
#include "perl.h" |
15 |
#include "XSUB.h" |
16 |
|
17 |
#include <pthread.h> |
18 |
|
19 |
#include <stddef.h> |
20 |
#include <stdlib.h> |
21 |
#include <errno.h> |
22 |
#include <sys/time.h> |
23 |
#include <sys/types.h> |
24 |
#include <limits.h> |
25 |
#include <unistd.h> |
26 |
#include <fcntl.h> |
27 |
|
28 |
#include <db.h> |
29 |
|
30 |
/* number of seconds after which idle threads exit */ |
31 |
#define IDLE_TIMEOUT 10 |
32 |
|
33 |
/* wether word reads are potentially non-atomic. |
34 |
* this is conservatice, likely most arches this runs |
35 |
* on have atomic word read/writes. |
36 |
*/ |
37 |
#ifndef WORDACCESS_UNSAFE |
38 |
# if __i386 || __x86_64 |
39 |
# define WORDACCESS_UNSAFE 0 |
40 |
# else |
41 |
# define WORDACCESS_UNSAFE 1 |
42 |
# endif |
43 |
#endif |
44 |
|
45 |
typedef DB_ENV DB_ENV_ornull; |
46 |
typedef DB_TXN DB_TXN_ornull; |
47 |
typedef DBC DBC_ornull; |
48 |
typedef DB DB_ornull; |
49 |
|
50 |
typedef SV SV8; /* byte-sv, used for argument-checking */ |
51 |
typedef char *octetstring; |
52 |
|
53 |
static SV *prepare_cb; |
54 |
|
55 |
static inline char * |
56 |
strdup_ornull (const char *s) |
57 |
{ |
58 |
return s ? strdup (s) : 0; |
59 |
} |
60 |
|
61 |
inline void |
62 |
sv_to_dbt (DBT *dbt, SV *sv) |
63 |
{ |
64 |
STRLEN len; |
65 |
char *data = SvPVbyte (sv, len); |
66 |
|
67 |
dbt->data = malloc (len); |
68 |
memcpy (dbt->data, data, len); |
69 |
dbt->size = len; |
70 |
} |
71 |
|
72 |
inline void |
73 |
dbt_to_sv (SV *sv, DBT *dbt) |
74 |
{ |
75 |
SvREADONLY_off (sv); |
76 |
sv_setpvn_mg (sv, dbt->data, dbt->size); |
77 |
|
78 |
free (dbt->data); |
79 |
} |
80 |
|
81 |
enum { |
82 |
REQ_QUIT, |
83 |
REQ_ENV_OPEN, REQ_ENV_CLOSE, |
84 |
REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, |
85 |
REQ_TXN_COMMIT, REQ_TXN_ABORT, |
86 |
}; |
87 |
|
88 |
typedef struct aio_cb |
89 |
{ |
90 |
struct aio_cb *volatile next; |
91 |
SV *callback; |
92 |
int type, pri, result; |
93 |
|
94 |
DB_ENV *env; |
95 |
DB *db; |
96 |
DB_TXN *txn; |
97 |
DBC *cursor; |
98 |
int int1, int2; |
99 |
U32 uint1, uint2; |
100 |
char *buf1, *buf2; |
101 |
SV *sv1, *sv2; |
102 |
|
103 |
DBT dbt1, dbt2, dbt3; |
104 |
} aio_cb; |
105 |
|
106 |
typedef aio_cb *aio_req; |
107 |
|
108 |
enum { |
109 |
PRI_MIN = -4, |
110 |
PRI_MAX = 4, |
111 |
|
112 |
DEFAULT_PRI = 0, |
113 |
PRI_BIAS = -PRI_MIN, |
114 |
NUM_PRI = PRI_MAX + PRI_BIAS + 1, |
115 |
}; |
116 |
|
117 |
#define AIO_TICKS ((1000000 + 1023) >> 10) |
118 |
|
119 |
static unsigned int max_poll_time = 0; |
120 |
static unsigned int max_poll_reqs = 0; |
121 |
|
122 |
/* calculcate time difference in ~1/AIO_TICKS of a second */ |
123 |
static int tvdiff (struct timeval *tv1, struct timeval *tv2) |
124 |
{ |
125 |
return (tv2->tv_sec - tv1->tv_sec ) * AIO_TICKS |
126 |
+ ((tv2->tv_usec - tv1->tv_usec) >> 10); |
127 |
} |
128 |
|
129 |
static int next_pri = DEFAULT_PRI + PRI_BIAS; |
130 |
|
131 |
static unsigned int started, idle, wanted; |
132 |
|
133 |
#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP) |
134 |
# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP |
135 |
#else |
136 |
# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER |
137 |
#endif |
138 |
|
139 |
#define LOCK(mutex) pthread_mutex_lock (&(mutex)) |
140 |
#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex)) |
141 |
|
142 |
/* worker threads management */ |
143 |
static pthread_mutex_t wrklock = AIO_MUTEX_INIT; |
144 |
|
145 |
typedef struct worker { |
146 |
/* locked by wrklock */ |
147 |
struct worker *prev, *next; |
148 |
|
149 |
pthread_t tid; |
150 |
|
151 |
/* locked by reslock, reqlock or wrklock */ |
152 |
aio_req req; /* currently processed request */ |
153 |
void *dbuf; |
154 |
DIR *dirp; |
155 |
} worker; |
156 |
|
157 |
static worker wrk_first = { &wrk_first, &wrk_first, 0 }; |
158 |
|
159 |
static void worker_clear (worker *wrk) |
160 |
{ |
161 |
} |
162 |
|
163 |
static void worker_free (worker *wrk) |
164 |
{ |
165 |
wrk->next->prev = wrk->prev; |
166 |
wrk->prev->next = wrk->next; |
167 |
|
168 |
free (wrk); |
169 |
} |
170 |
|
171 |
static volatile unsigned int nreqs, nready, npending; |
172 |
static volatile unsigned int max_idle = 4; |
173 |
static volatile unsigned int max_outstanding = 0xffffffff; |
174 |
static int respipe [2]; |
175 |
|
176 |
static pthread_mutex_t reslock = AIO_MUTEX_INIT; |
177 |
static pthread_mutex_t reqlock = AIO_MUTEX_INIT; |
178 |
static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; |
179 |
|
180 |
#if WORDACCESS_UNSAFE |
181 |
|
182 |
static unsigned int get_nready () |
183 |
{ |
184 |
unsigned int retval; |
185 |
|
186 |
LOCK (reqlock); |
187 |
retval = nready; |
188 |
UNLOCK (reqlock); |
189 |
|
190 |
return retval; |
191 |
} |
192 |
|
193 |
static unsigned int get_npending () |
194 |
{ |
195 |
unsigned int retval; |
196 |
|
197 |
LOCK (reslock); |
198 |
retval = npending; |
199 |
UNLOCK (reslock); |
200 |
|
201 |
return retval; |
202 |
} |
203 |
|
204 |
static unsigned int get_nthreads () |
205 |
{ |
206 |
unsigned int retval; |
207 |
|
208 |
LOCK (wrklock); |
209 |
retval = started; |
210 |
UNLOCK (wrklock); |
211 |
|
212 |
return retval; |
213 |
} |
214 |
|
215 |
#else |
216 |
|
217 |
# define get_nready() nready |
218 |
# define get_npending() npending |
219 |
# define get_nthreads() started |
220 |
|
221 |
#endif |
222 |
|
223 |
/* |
224 |
* a somewhat faster data structure might be nice, but |
225 |
* with 8 priorities this actually needs <20 insns |
226 |
* per shift, the most expensive operation. |
227 |
*/ |
228 |
typedef struct { |
229 |
aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ |
230 |
int size; |
231 |
} reqq; |
232 |
|
233 |
static reqq req_queue; |
234 |
static reqq res_queue; |
235 |
|
236 |
int reqq_push (reqq *q, aio_req req) |
237 |
{ |
238 |
int pri = req->pri; |
239 |
req->next = 0; |
240 |
|
241 |
if (q->qe[pri]) |
242 |
{ |
243 |
q->qe[pri]->next = req; |
244 |
q->qe[pri] = req; |
245 |
} |
246 |
else |
247 |
q->qe[pri] = q->qs[pri] = req; |
248 |
|
249 |
return q->size++; |
250 |
} |
251 |
|
252 |
aio_req reqq_shift (reqq *q) |
253 |
{ |
254 |
int pri; |
255 |
|
256 |
if (!q->size) |
257 |
return 0; |
258 |
|
259 |
--q->size; |
260 |
|
261 |
for (pri = NUM_PRI; pri--; ) |
262 |
{ |
263 |
aio_req req = q->qs[pri]; |
264 |
|
265 |
if (req) |
266 |
{ |
267 |
if (!(q->qs[pri] = req->next)) |
268 |
q->qe[pri] = 0; |
269 |
|
270 |
return req; |
271 |
} |
272 |
} |
273 |
|
274 |
abort (); |
275 |
} |
276 |
|
277 |
static int poll_cb (); |
278 |
static void req_free (aio_req req); |
279 |
static void req_cancel (aio_req req); |
280 |
|
281 |
static int req_invoke (aio_req req) |
282 |
{ |
283 |
dSP; |
284 |
|
285 |
if (SvOK (req->callback)) |
286 |
{ |
287 |
ENTER; |
288 |
SAVETMPS; |
289 |
PUSHMARK (SP); |
290 |
EXTEND (SP, 1); |
291 |
|
292 |
switch (req->type) |
293 |
{ |
294 |
case REQ_DB_GET: |
295 |
case REQ_DB_PGET: |
296 |
dbt_to_sv (req->sv1, &req->dbt3); |
297 |
SvREFCNT_dec (req->sv1); |
298 |
break; |
299 |
|
300 |
case REQ_DB_CLOSE: |
301 |
SvREFCNT_dec (req->sv1); |
302 |
break; |
303 |
} |
304 |
|
305 |
errno = req->result; |
306 |
|
307 |
PUTBACK; |
308 |
call_sv (req->callback, G_VOID | G_EVAL); |
309 |
SPAGAIN; |
310 |
|
311 |
FREETMPS; |
312 |
LEAVE; |
313 |
} |
314 |
|
315 |
return !SvTRUE (ERRSV); |
316 |
} |
317 |
|
318 |
static void req_free (aio_req req) |
319 |
{ |
320 |
free (req->buf1); |
321 |
free (req->buf2); |
322 |
Safefree (req); |
323 |
} |
324 |
|
325 |
static void *aio_proc (void *arg); |
326 |
|
327 |
static void start_thread (void) |
328 |
{ |
329 |
sigset_t fullsigset, oldsigset; |
330 |
pthread_attr_t attr; |
331 |
|
332 |
worker *wrk = calloc (1, sizeof (worker)); |
333 |
|
334 |
if (!wrk) |
335 |
croak ("unable to allocate worker thread data"); |
336 |
|
337 |
pthread_attr_init (&attr); |
338 |
pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED); |
339 |
#ifdef PTHREAD_SCOPE_PROCESS |
340 |
pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS); |
341 |
#endif |
342 |
|
343 |
sigfillset (&fullsigset); |
344 |
|
345 |
LOCK (wrklock); |
346 |
pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset); |
347 |
|
348 |
if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) |
349 |
{ |
350 |
wrk->prev = &wrk_first; |
351 |
wrk->next = wrk_first.next; |
352 |
wrk_first.next->prev = wrk; |
353 |
wrk_first.next = wrk; |
354 |
++started; |
355 |
} |
356 |
else |
357 |
free (wrk); |
358 |
|
359 |
pthread_sigmask (SIG_SETMASK, &oldsigset, 0); |
360 |
UNLOCK (wrklock); |
361 |
} |
362 |
|
363 |
static void maybe_start_thread () |
364 |
{ |
365 |
if (get_nthreads () >= wanted) |
366 |
return; |
367 |
|
368 |
/* todo: maybe use idle here, but might be less exact */ |
369 |
if (0 <= (int)get_nthreads () + (int)get_npending () - (int)nreqs) |
370 |
return; |
371 |
|
372 |
start_thread (); |
373 |
} |
374 |
|
375 |
static void req_send (aio_req req) |
376 |
{ |
377 |
SV *wait_callback = 0; |
378 |
|
379 |
// synthesize callback if none given |
380 |
if (!SvOK (req->callback)) |
381 |
{ |
382 |
dSP; |
383 |
PUSHMARK (SP); |
384 |
PUTBACK; |
385 |
int count = call_sv (prepare_cb, G_ARRAY); |
386 |
SPAGAIN; |
387 |
|
388 |
if (count != 2) |
389 |
croak ("prepare callback must return exactly two values\n"); |
390 |
|
391 |
wait_callback = SvREFCNT_inc (POPs); |
392 |
SvREFCNT_dec (req->callback); |
393 |
req->callback = SvREFCNT_inc (POPs); |
394 |
} |
395 |
|
396 |
++nreqs; |
397 |
|
398 |
LOCK (reqlock); |
399 |
++nready; |
400 |
reqq_push (&req_queue, req); |
401 |
pthread_cond_signal (&reqwait); |
402 |
UNLOCK (reqlock); |
403 |
|
404 |
maybe_start_thread (); |
405 |
|
406 |
if (wait_callback) |
407 |
{ |
408 |
dSP; |
409 |
PUSHMARK (SP); |
410 |
PUTBACK; |
411 |
call_sv (wait_callback, G_DISCARD); |
412 |
SvREFCNT_dec (wait_callback); |
413 |
} |
414 |
} |
415 |
|
416 |
static void end_thread (void) |
417 |
{ |
418 |
aio_req req; |
419 |
|
420 |
Newz (0, req, 1, aio_cb); |
421 |
|
422 |
req->type = REQ_QUIT; |
423 |
req->pri = PRI_MAX + PRI_BIAS; |
424 |
|
425 |
LOCK (reqlock); |
426 |
reqq_push (&req_queue, req); |
427 |
pthread_cond_signal (&reqwait); |
428 |
UNLOCK (reqlock); |
429 |
|
430 |
LOCK (wrklock); |
431 |
--started; |
432 |
UNLOCK (wrklock); |
433 |
} |
434 |
|
435 |
static void set_max_idle (int nthreads) |
436 |
{ |
437 |
if (WORDACCESS_UNSAFE) LOCK (reqlock); |
438 |
max_idle = nthreads <= 0 ? 1 : nthreads; |
439 |
if (WORDACCESS_UNSAFE) UNLOCK (reqlock); |
440 |
} |
441 |
|
442 |
static void min_parallel (int nthreads) |
443 |
{ |
444 |
if (wanted < nthreads) |
445 |
wanted = nthreads; |
446 |
} |
447 |
|
448 |
static void max_parallel (int nthreads) |
449 |
{ |
450 |
if (wanted > nthreads) |
451 |
wanted = nthreads; |
452 |
|
453 |
while (started > wanted) |
454 |
end_thread (); |
455 |
} |
456 |
|
457 |
static void poll_wait () |
458 |
{ |
459 |
fd_set rfd; |
460 |
|
461 |
while (nreqs) |
462 |
{ |
463 |
int size; |
464 |
if (WORDACCESS_UNSAFE) LOCK (reslock); |
465 |
size = res_queue.size; |
466 |
if (WORDACCESS_UNSAFE) UNLOCK (reslock); |
467 |
|
468 |
if (size) |
469 |
return; |
470 |
|
471 |
maybe_start_thread (); |
472 |
|
473 |
FD_ZERO(&rfd); |
474 |
FD_SET(respipe [0], &rfd); |
475 |
|
476 |
select (respipe [0] + 1, &rfd, 0, 0, 0); |
477 |
} |
478 |
} |
479 |
|
480 |
static int poll_cb () |
481 |
{ |
482 |
dSP; |
483 |
int count = 0; |
484 |
int maxreqs = max_poll_reqs; |
485 |
int do_croak = 0; |
486 |
struct timeval tv_start, tv_now; |
487 |
aio_req req; |
488 |
|
489 |
if (max_poll_time) |
490 |
gettimeofday (&tv_start, 0); |
491 |
|
492 |
for (;;) |
493 |
{ |
494 |
for (;;) |
495 |
{ |
496 |
maybe_start_thread (); |
497 |
|
498 |
LOCK (reslock); |
499 |
req = reqq_shift (&res_queue); |
500 |
|
501 |
if (req) |
502 |
{ |
503 |
--npending; |
504 |
|
505 |
if (!res_queue.size) |
506 |
{ |
507 |
/* read any signals sent by the worker threads */ |
508 |
char buf [4]; |
509 |
while (read (respipe [0], buf, 4) == 4) |
510 |
; |
511 |
} |
512 |
} |
513 |
|
514 |
UNLOCK (reslock); |
515 |
|
516 |
if (!req) |
517 |
break; |
518 |
|
519 |
--nreqs; |
520 |
|
521 |
if (!req_invoke (req)) |
522 |
{ |
523 |
req_free (req); |
524 |
croak (0); |
525 |
} |
526 |
|
527 |
count++; |
528 |
|
529 |
req_free (req); |
530 |
|
531 |
if (maxreqs && !--maxreqs) |
532 |
break; |
533 |
|
534 |
if (max_poll_time) |
535 |
{ |
536 |
gettimeofday (&tv_now, 0); |
537 |
|
538 |
if (tvdiff (&tv_start, &tv_now) >= max_poll_time) |
539 |
break; |
540 |
} |
541 |
} |
542 |
|
543 |
if (nreqs <= max_outstanding) |
544 |
break; |
545 |
|
546 |
poll_wait (); |
547 |
|
548 |
++maxreqs; |
549 |
} |
550 |
|
551 |
return count; |
552 |
} |
553 |
|
554 |
static void create_pipe () |
555 |
{ |
556 |
if (pipe (respipe)) |
557 |
croak ("unable to initialize result pipe"); |
558 |
|
559 |
if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)) |
560 |
croak ("cannot set result pipe to nonblocking mode"); |
561 |
|
562 |
if (fcntl (respipe [1], F_SETFL, O_NONBLOCK)) |
563 |
croak ("cannot set result pipe to nonblocking mode"); |
564 |
} |
565 |
|
566 |
/*****************************************************************************/ |
567 |
|
568 |
static void *aio_proc (void *thr_arg) |
569 |
{ |
570 |
aio_req req; |
571 |
struct timespec ts; |
572 |
worker *self = (worker *)thr_arg; |
573 |
|
574 |
/* try to distribute timeouts somewhat evenly */ |
575 |
ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) |
576 |
* (1000000000UL / 1024UL); |
577 |
|
578 |
for (;;) |
579 |
{ |
580 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
581 |
|
582 |
LOCK (reqlock); |
583 |
|
584 |
for (;;) |
585 |
{ |
586 |
self->req = req = reqq_shift (&req_queue); |
587 |
|
588 |
if (req) |
589 |
break; |
590 |
|
591 |
++idle; |
592 |
|
593 |
if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) |
594 |
== ETIMEDOUT) |
595 |
{ |
596 |
if (idle > max_idle) |
597 |
{ |
598 |
--idle; |
599 |
UNLOCK (reqlock); |
600 |
LOCK (wrklock); |
601 |
--started; |
602 |
UNLOCK (wrklock); |
603 |
goto quit; |
604 |
} |
605 |
|
606 |
/* we are allowed to idle, so do so without any timeout */ |
607 |
pthread_cond_wait (&reqwait, &reqlock); |
608 |
ts.tv_sec = time (0) + IDLE_TIMEOUT; |
609 |
} |
610 |
|
611 |
--idle; |
612 |
} |
613 |
|
614 |
--nready; |
615 |
|
616 |
UNLOCK (reqlock); |
617 |
|
618 |
switch (req->type) |
619 |
{ |
620 |
case REQ_QUIT: |
621 |
goto quit; |
622 |
|
623 |
case REQ_ENV_OPEN: |
624 |
req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); |
625 |
break; |
626 |
|
627 |
case REQ_ENV_CLOSE: |
628 |
req->result = req->env->close (req->env, req->uint1); |
629 |
break; |
630 |
|
631 |
case REQ_DB_OPEN: |
632 |
req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2); |
633 |
break; |
634 |
|
635 |
case REQ_DB_CLOSE: |
636 |
req->result = req->db->close (req->db, req->uint1); |
637 |
break; |
638 |
|
639 |
case REQ_DB_COMPACT: |
640 |
req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0); |
641 |
break; |
642 |
|
643 |
case REQ_DB_SYNC: |
644 |
req->result = req->db->sync (req->db, req->uint1); |
645 |
break; |
646 |
|
647 |
case REQ_DB_PUT: |
648 |
req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); |
649 |
break; |
650 |
|
651 |
case REQ_DB_GET: |
652 |
req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1); |
653 |
break; |
654 |
|
655 |
case REQ_DB_PGET: |
656 |
req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1); |
657 |
break; |
658 |
|
659 |
case REQ_TXN_COMMIT: |
660 |
req->result = req->txn->commit (req->txn, req->uint1); |
661 |
break; |
662 |
|
663 |
case REQ_TXN_ABORT: |
664 |
req->result = req->txn->abort (req->txn); |
665 |
break; |
666 |
|
667 |
default: |
668 |
req->result = ENOSYS; |
669 |
break; |
670 |
} |
671 |
|
672 |
LOCK (reslock); |
673 |
|
674 |
++npending; |
675 |
|
676 |
if (!reqq_push (&res_queue, req)) |
677 |
/* write a dummy byte to the pipe so fh becomes ready */ |
678 |
write (respipe [1], &respipe, 1); |
679 |
|
680 |
self->req = 0; |
681 |
worker_clear (self); |
682 |
|
683 |
UNLOCK (reslock); |
684 |
} |
685 |
|
686 |
quit: |
687 |
LOCK (wrklock); |
688 |
worker_free (self); |
689 |
UNLOCK (wrklock); |
690 |
|
691 |
return 0; |
692 |
} |
693 |
|
694 |
/*****************************************************************************/ |
695 |
|
696 |
static void atfork_prepare (void) |
697 |
{ |
698 |
LOCK (wrklock); |
699 |
LOCK (reqlock); |
700 |
LOCK (reslock); |
701 |
} |
702 |
|
703 |
static void atfork_parent (void) |
704 |
{ |
705 |
UNLOCK (reslock); |
706 |
UNLOCK (reqlock); |
707 |
UNLOCK (wrklock); |
708 |
} |
709 |
|
710 |
static void atfork_child (void) |
711 |
{ |
712 |
aio_req prv; |
713 |
|
714 |
while (prv = reqq_shift (&req_queue)) |
715 |
req_free (prv); |
716 |
|
717 |
while (prv = reqq_shift (&res_queue)) |
718 |
req_free (prv); |
719 |
|
720 |
while (wrk_first.next != &wrk_first) |
721 |
{ |
722 |
worker *wrk = wrk_first.next; |
723 |
|
724 |
if (wrk->req) |
725 |
req_free (wrk->req); |
726 |
|
727 |
worker_clear (wrk); |
728 |
worker_free (wrk); |
729 |
} |
730 |
|
731 |
started = 0; |
732 |
idle = 0; |
733 |
nreqs = 0; |
734 |
nready = 0; |
735 |
npending = 0; |
736 |
|
737 |
close (respipe [0]); |
738 |
close (respipe [1]); |
739 |
create_pipe (); |
740 |
|
741 |
atfork_parent (); |
742 |
} |
743 |
|
744 |
#define dREQ(reqtype) \ |
745 |
aio_req req; \ |
746 |
int req_pri = next_pri; \ |
747 |
next_pri = DEFAULT_PRI + PRI_BIAS; \ |
748 |
\ |
749 |
if (SvOK (callback) && !SvROK (callback)) \ |
750 |
croak ("callback must be undef or of reference type"); \ |
751 |
\ |
752 |
Newz (0, req, 1, aio_cb); \ |
753 |
if (!req) \ |
754 |
croak ("out of memory during aio_req allocation"); \ |
755 |
\ |
756 |
req->callback = newSVsv (callback); \ |
757 |
req->type = (reqtype); \ |
758 |
req->pri = req_pri |
759 |
|
760 |
#define REQ_SEND \ |
761 |
req_send (req) |
762 |
|
763 |
#define SvPTR(var, arg, type, class, nullok) \ |
764 |
if (!SvOK (arg)) \ |
765 |
{ \ |
766 |
if (!nullok) \ |
767 |
Perl_croak (# var " must be a " # class " object, not undef"); \ |
768 |
\ |
769 |
(var) = 0; \ |
770 |
} \ |
771 |
else if (sv_derived_from ((arg), # class)) \ |
772 |
{ \ |
773 |
IV tmp = SvIV ((SV*) SvRV (arg)); \ |
774 |
(var) = INT2PTR (type, tmp); \ |
775 |
if (!var) \ |
776 |
Perl_croak (# var " is not a valid " # class " object anymore"); \ |
777 |
} \ |
778 |
else \ |
779 |
Perl_croak (# var " is not of type " # class); \ |
780 |
\ |
781 |
|
782 |
static void |
783 |
ptr_nuke (SV *sv) |
784 |
{ |
785 |
assert (SvROK (sv)); |
786 |
sv_setiv (SvRV (sv), 0); |
787 |
} |
788 |
|
789 |
MODULE = BDB PACKAGE = BDB |
790 |
|
791 |
PROTOTYPES: ENABLE |
792 |
|
793 |
BOOT: |
794 |
{ |
795 |
HV *stash = gv_stashpv ("BDB", 1); |
796 |
|
797 |
static const struct { |
798 |
const char *name; |
799 |
IV iv; |
800 |
} *civ, const_iv[] = { |
801 |
#define const_iv(name) { # name, (IV)DB_ ## name }, |
802 |
const_iv (RPCCLIENT) |
803 |
const_iv (INIT_CDB) |
804 |
const_iv (INIT_LOCK) |
805 |
const_iv (INIT_LOG) |
806 |
const_iv (INIT_MPOOL) |
807 |
const_iv (INIT_REP) |
808 |
const_iv (INIT_TXN) |
809 |
const_iv (RECOVER) |
810 |
const_iv (INIT_TXN) |
811 |
const_iv (RECOVER_FATAL) |
812 |
const_iv (CREATE) |
813 |
const_iv (USE_ENVIRON) |
814 |
const_iv (USE_ENVIRON_ROOT) |
815 |
const_iv (LOCKDOWN) |
816 |
const_iv (PRIVATE) |
817 |
const_iv (REGISTER) |
818 |
const_iv (SYSTEM_MEM) |
819 |
const_iv (AUTO_COMMIT) |
820 |
const_iv (CDB_ALLDB) |
821 |
const_iv (DIRECT_DB) |
822 |
const_iv (DIRECT_LOG) |
823 |
const_iv (DSYNC_DB) |
824 |
const_iv (DSYNC_LOG) |
825 |
const_iv (LOG_AUTOREMOVE) |
826 |
const_iv (LOG_INMEMORY) |
827 |
const_iv (NOLOCKING) |
828 |
const_iv (MULTIVERSION) |
829 |
const_iv (NOMMAP) |
830 |
const_iv (NOPANIC) |
831 |
const_iv (OVERWRITE) |
832 |
const_iv (PANIC_ENVIRONMENT) |
833 |
const_iv (REGION_INIT) |
834 |
const_iv (TIME_NOTGRANTED) |
835 |
const_iv (TXN_NOSYNC) |
836 |
const_iv (TXN_SNAPSHOT) |
837 |
const_iv (TXN_WRITE_NOSYNC) |
838 |
const_iv (WRITECURSOR) |
839 |
const_iv (YIELDCPU) |
840 |
const_iv (ENCRYPT_AES) |
841 |
const_iv (XA_CREATE) |
842 |
const_iv (BTREE) |
843 |
const_iv (HASH) |
844 |
const_iv (QUEUE) |
845 |
const_iv (RECNO) |
846 |
const_iv (UNKNOWN) |
847 |
const_iv (EXCL) |
848 |
const_iv (READ_COMMITTED) |
849 |
const_iv (READ_UNCOMMITTED) |
850 |
const_iv (TRUNCATE) |
851 |
const_iv (NOSYNC) |
852 |
const_iv (CHKSUM) |
853 |
const_iv (ENCRYPT) |
854 |
const_iv (TXN_NOT_DURABLE) |
855 |
const_iv (DUP) |
856 |
const_iv (DUPSORT) |
857 |
const_iv (RECNUM) |
858 |
const_iv (RENUMBER) |
859 |
const_iv (REVSPLITOFF) |
860 |
const_iv (INORDER) |
861 |
const_iv (CONSUME) |
862 |
const_iv (CONSUME_WAIT) |
863 |
const_iv (GET_BOTH) |
864 |
//const_iv (SET_RECNO) |
865 |
//const_iv (MULTIPLE) |
866 |
const_iv (SNAPSHOT) |
867 |
const_iv (JOIN_ITEM) |
868 |
const_iv (RMW) |
869 |
|
870 |
const_iv (NOTFOUND) |
871 |
const_iv (KEYEMPTY) |
872 |
const_iv (LOCK_DEADLOCK) |
873 |
const_iv (LOCK_NOTGRANTED) |
874 |
const_iv (RUNRECOVERY) |
875 |
const_iv (OLD_VERSION) |
876 |
const_iv (REP_HANDLE_DEAD) |
877 |
const_iv (REP_LOCKOUT) |
878 |
|
879 |
const_iv (FREE_SPACE) |
880 |
const_iv (FREELIST_ONLY) |
881 |
|
882 |
const_iv (APPEND) |
883 |
const_iv (NODUPDATA) |
884 |
const_iv (NOOVERWRITE) |
885 |
|
886 |
const_iv (TXN_NOWAIT) |
887 |
const_iv (TXN_SNAPSHOT) |
888 |
const_iv (TXN_SYNC) |
889 |
|
890 |
const_iv (SET_LOCK_TIMEOUT) |
891 |
const_iv (SET_TXN_TIMEOUT) |
892 |
}; |
893 |
|
894 |
for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) |
895 |
newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); |
896 |
|
897 |
create_pipe (); |
898 |
pthread_atfork (atfork_prepare, atfork_parent, atfork_child); |
899 |
} |
900 |
|
901 |
void |
902 |
max_poll_reqs (int nreqs) |
903 |
PROTOTYPE: $ |
904 |
CODE: |
905 |
max_poll_reqs = nreqs; |
906 |
|
907 |
void |
908 |
max_poll_time (double nseconds) |
909 |
PROTOTYPE: $ |
910 |
CODE: |
911 |
max_poll_time = nseconds * AIO_TICKS; |
912 |
|
913 |
void |
914 |
min_parallel (int nthreads) |
915 |
PROTOTYPE: $ |
916 |
|
917 |
void |
918 |
max_parallel (int nthreads) |
919 |
PROTOTYPE: $ |
920 |
|
921 |
void |
922 |
max_idle (int nthreads) |
923 |
PROTOTYPE: $ |
924 |
CODE: |
925 |
set_max_idle (nthreads); |
926 |
|
927 |
int |
928 |
max_outstanding (int maxreqs) |
929 |
PROTOTYPE: $ |
930 |
CODE: |
931 |
RETVAL = max_outstanding; |
932 |
max_outstanding = maxreqs; |
933 |
OUTPUT: |
934 |
RETVAL |
935 |
|
936 |
int |
937 |
dbreq_pri (int pri = 0) |
938 |
PROTOTYPE: ;$ |
939 |
CODE: |
940 |
RETVAL = next_pri - PRI_BIAS; |
941 |
if (items > 0) |
942 |
{ |
943 |
if (pri < PRI_MIN) pri = PRI_MIN; |
944 |
if (pri > PRI_MAX) pri = PRI_MAX; |
945 |
next_pri = pri + PRI_BIAS; |
946 |
} |
947 |
OUTPUT: |
948 |
RETVAL |
949 |
|
950 |
void |
951 |
dbreq_nice (int nice = 0) |
952 |
CODE: |
953 |
nice = next_pri - nice; |
954 |
if (nice < PRI_MIN) nice = PRI_MIN; |
955 |
if (nice > PRI_MAX) nice = PRI_MAX; |
956 |
next_pri = nice + PRI_BIAS; |
957 |
|
958 |
void |
959 |
flush () |
960 |
PROTOTYPE: |
961 |
CODE: |
962 |
while (nreqs) |
963 |
{ |
964 |
poll_wait (); |
965 |
poll_cb (); |
966 |
} |
967 |
|
968 |
int |
969 |
poll () |
970 |
PROTOTYPE: |
971 |
CODE: |
972 |
poll_wait (); |
973 |
RETVAL = poll_cb (); |
974 |
OUTPUT: |
975 |
RETVAL |
976 |
|
977 |
int |
978 |
poll_fileno () |
979 |
PROTOTYPE: |
980 |
CODE: |
981 |
RETVAL = respipe [0]; |
982 |
OUTPUT: |
983 |
RETVAL |
984 |
|
985 |
int |
986 |
poll_cb (...) |
987 |
PROTOTYPE: |
988 |
CODE: |
989 |
RETVAL = poll_cb (); |
990 |
OUTPUT: |
991 |
RETVAL |
992 |
|
993 |
void |
994 |
poll_wait () |
995 |
PROTOTYPE: |
996 |
CODE: |
997 |
poll_wait (); |
998 |
|
999 |
int |
1000 |
nreqs () |
1001 |
PROTOTYPE: |
1002 |
CODE: |
1003 |
RETVAL = nreqs; |
1004 |
OUTPUT: |
1005 |
RETVAL |
1006 |
|
1007 |
int |
1008 |
nready () |
1009 |
PROTOTYPE: |
1010 |
CODE: |
1011 |
RETVAL = get_nready (); |
1012 |
OUTPUT: |
1013 |
RETVAL |
1014 |
|
1015 |
int |
1016 |
npending () |
1017 |
PROTOTYPE: |
1018 |
CODE: |
1019 |
RETVAL = get_npending (); |
1020 |
OUTPUT: |
1021 |
RETVAL |
1022 |
|
1023 |
int |
1024 |
nthreads () |
1025 |
PROTOTYPE: |
1026 |
CODE: |
1027 |
if (WORDACCESS_UNSAFE) LOCK (wrklock); |
1028 |
RETVAL = started; |
1029 |
if (WORDACCESS_UNSAFE) UNLOCK (wrklock); |
1030 |
OUTPUT: |
1031 |
RETVAL |
1032 |
|
1033 |
void |
1034 |
set_sync_prepare (SV *cb) |
1035 |
PROTOTYPE: & |
1036 |
CODE: |
1037 |
SvREFCNT_dec (prepare_cb); |
1038 |
prepare_cb = newSVsv (cb); |
1039 |
|
1040 |
DB_ENV * |
1041 |
db_env_create (U32 env_flags = 0) |
1042 |
CODE: |
1043 |
{ |
1044 |
errno = db_env_create (&RETVAL, env_flags); |
1045 |
if (errno) |
1046 |
croak ("db_env_create: %s", db_strerror (errno)); |
1047 |
} |
1048 |
OUTPUT: |
1049 |
RETVAL |
1050 |
|
1051 |
void |
1052 |
db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) |
1053 |
CODE: |
1054 |
{ |
1055 |
dREQ (REQ_ENV_OPEN); |
1056 |
req->env = env; |
1057 |
req->uint1 = open_flags | DB_THREAD; |
1058 |
req->int1 = mode; |
1059 |
req->buf1 = strdup_ornull (db_home); |
1060 |
REQ_SEND; |
1061 |
} |
1062 |
|
1063 |
void |
1064 |
db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef) |
1065 |
CODE: |
1066 |
{ |
1067 |
dREQ (REQ_ENV_CLOSE); |
1068 |
req->env = env; |
1069 |
req->uint1 = flags; |
1070 |
REQ_SEND; |
1071 |
ptr_nuke (ST (0)); |
1072 |
} |
1073 |
|
1074 |
DB * |
1075 |
db_create (DB_ENV *env = 0, U32 flags = 0) |
1076 |
CODE: |
1077 |
{ |
1078 |
errno = db_create (&RETVAL, env, flags); |
1079 |
if (errno) |
1080 |
croak ("db_env_create: %s", db_strerror (errno)); |
1081 |
|
1082 |
if (RETVAL) |
1083 |
RETVAL->app_private = (void *)newSVsv (ST (0)); |
1084 |
} |
1085 |
OUTPUT: |
1086 |
RETVAL |
1087 |
|
1088 |
void |
1089 |
db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) |
1090 |
CODE: |
1091 |
{ |
1092 |
dREQ (REQ_DB_OPEN); |
1093 |
req->db = db; |
1094 |
req->txn = txnid; |
1095 |
req->buf1 = strdup_ornull (file); |
1096 |
req->buf2 = strdup_ornull (database); |
1097 |
req->int1 = type; |
1098 |
req->uint1 = flags | DB_THREAD; |
1099 |
req->int2 = mode; |
1100 |
REQ_SEND; |
1101 |
} |
1102 |
|
1103 |
void |
1104 |
db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1105 |
CODE: |
1106 |
{ |
1107 |
dREQ (REQ_DB_CLOSE); |
1108 |
req->db = db; |
1109 |
req->uint1 = flags; |
1110 |
req->sv1 = (SV *)db->app_private; |
1111 |
REQ_SEND; |
1112 |
ptr_nuke (ST (0)); |
1113 |
} |
1114 |
|
1115 |
void |
1116 |
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) |
1117 |
CODE: |
1118 |
{ |
1119 |
dREQ (REQ_DB_COMPACT); |
1120 |
req->db = db; |
1121 |
req->txn = txn; |
1122 |
sv_to_dbt (&req->dbt1, start); |
1123 |
sv_to_dbt (&req->dbt2, stop); |
1124 |
req->uint1 = flags; |
1125 |
REQ_SEND; |
1126 |
} |
1127 |
|
1128 |
void |
1129 |
db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef) |
1130 |
CODE: |
1131 |
{ |
1132 |
dREQ (REQ_DB_SYNC); |
1133 |
req->db = db; |
1134 |
req->uint1 = flags; |
1135 |
REQ_SEND; |
1136 |
} |
1137 |
|
1138 |
void |
1139 |
db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1140 |
CODE: |
1141 |
{ |
1142 |
dREQ (REQ_DB_PUT); |
1143 |
req->db = db; |
1144 |
req->txn = txn; |
1145 |
sv_to_dbt (&req->dbt1, key); |
1146 |
sv_to_dbt (&req->dbt2, data); |
1147 |
req->uint1 = flags; |
1148 |
REQ_SEND; |
1149 |
} |
1150 |
|
1151 |
void |
1152 |
db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1153 |
CODE: |
1154 |
{ |
1155 |
dREQ (REQ_DB_GET); |
1156 |
req->db = db; |
1157 |
req->txn = txn; |
1158 |
sv_to_dbt (&req->dbt1, key); |
1159 |
req->dbt3.flags = DB_DBT_MALLOC; |
1160 |
req->uint1 = flags; |
1161 |
req->sv1 = SvREFCNT_inc (data); |
1162 |
SvREADONLY_on (data); |
1163 |
REQ_SEND; |
1164 |
} |
1165 |
|
1166 |
void |
1167 |
db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) |
1168 |
CODE: |
1169 |
{ |
1170 |
dREQ (REQ_DB_PGET); |
1171 |
req->db = db; |
1172 |
req->txn = txn; |
1173 |
sv_to_dbt (&req->dbt1, key); |
1174 |
sv_to_dbt (&req->dbt2, pkey); |
1175 |
req->dbt3.flags = DB_DBT_MALLOC; |
1176 |
req->uint1 = flags; |
1177 |
req->sv1 = SvREFCNT_inc (data); |
1178 |
SvREADONLY_on (data); |
1179 |
REQ_SEND; |
1180 |
} |
1181 |
|
1182 |
void |
1183 |
db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef) |
1184 |
CODE: |
1185 |
{ |
1186 |
dREQ (REQ_TXN_COMMIT); |
1187 |
req->txn = txn; |
1188 |
req->uint1 = flags; |
1189 |
REQ_SEND; |
1190 |
ptr_nuke (ST (0)); |
1191 |
} |
1192 |
|
1193 |
void |
1194 |
db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef) |
1195 |
CODE: |
1196 |
{ |
1197 |
dREQ (REQ_TXN_ABORT); |
1198 |
req->txn = txn; |
1199 |
REQ_SEND; |
1200 |
ptr_nuke (ST (0)); |
1201 |
} |
1202 |
|
1203 |
|
1204 |
MODULE = BDB PACKAGE = BDB::Env |
1205 |
|
1206 |
void |
1207 |
DESTROY (DB_ENV_ornull *env) |
1208 |
CODE: |
1209 |
if (env) |
1210 |
env->close (env, 0); |
1211 |
|
1212 |
int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0) |
1213 |
CODE: |
1214 |
RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); |
1215 |
OUTPUT: |
1216 |
RETVAL |
1217 |
|
1218 |
int set_flags (DB_ENV *env, U32 flags, int onoff) |
1219 |
CODE: |
1220 |
RETVAL = env->set_flags (env, flags, onoff); |
1221 |
OUTPUT: |
1222 |
RETVAL |
1223 |
|
1224 |
int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) |
1225 |
CODE: |
1226 |
RETVAL = env->set_encrypt (env, password, flags); |
1227 |
OUTPUT: |
1228 |
RETVAL |
1229 |
|
1230 |
int set_timeout (DB_ENV *env, NV timeout, U32 flags) |
1231 |
CODE: |
1232 |
RETVAL = env->set_timeout (env, timeout * 1000000, flags); |
1233 |
OUTPUT: |
1234 |
RETVAL |
1235 |
|
1236 |
DB_TXN * |
1237 |
txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) |
1238 |
CODE: |
1239 |
errno = env->txn_begin (env, parent, &RETVAL, flags); |
1240 |
if (errno) |
1241 |
croak ("txn_begin: %s", db_strerror (errno)); |
1242 |
OUTPUT: |
1243 |
RETVAL |
1244 |
|
1245 |
MODULE = BDB PACKAGE = BDB::Db |
1246 |
|
1247 |
void |
1248 |
DESTROY (DB_ornull *db) |
1249 |
CODE: |
1250 |
if (db) |
1251 |
{ |
1252 |
SV *env = (SV *)db->app_private; |
1253 |
db->close (db, 0); |
1254 |
SvREFCNT_dec (env); |
1255 |
} |
1256 |
|
1257 |
int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0) |
1258 |
CODE: |
1259 |
RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); |
1260 |
OUTPUT: |
1261 |
RETVAL |
1262 |
|
1263 |
int set_flags (DB *db, U32 flags); |
1264 |
CODE: |
1265 |
RETVAL = db->set_flags (db, flags); |
1266 |
OUTPUT: |
1267 |
RETVAL |
1268 |
|
1269 |
int set_encrypt (DB *db, const char *password, U32 flags) |
1270 |
CODE: |
1271 |
RETVAL = db->set_encrypt (db, password, flags); |
1272 |
OUTPUT: |
1273 |
RETVAL |
1274 |
|
1275 |
int set_lorder (DB *db, int lorder) |
1276 |
CODE: |
1277 |
RETVAL = db->set_lorder (db, lorder); |
1278 |
OUTPUT: |
1279 |
RETVAL |
1280 |
|
1281 |
|
1282 |
int set_bt_minkey (DB *db, U32 minkey) |
1283 |
CODE: |
1284 |
RETVAL = db->set_bt_minkey (db, minkey); |
1285 |
OUTPUT: |
1286 |
RETVAL |
1287 |
|
1288 |
int set_re_delim(DB *db, int delim); |
1289 |
CODE: |
1290 |
RETVAL = db->set_re_delim (db, delim); |
1291 |
OUTPUT: |
1292 |
RETVAL |
1293 |
|
1294 |
int set_re_pad (DB *db, int re_pad) |
1295 |
CODE: |
1296 |
RETVAL = db->set_re_pad (db, re_pad); |
1297 |
OUTPUT: |
1298 |
RETVAL |
1299 |
|
1300 |
int set_re_source (DB *db, char *source) |
1301 |
CODE: |
1302 |
RETVAL = db->set_re_source (db, source); |
1303 |
OUTPUT: |
1304 |
RETVAL |
1305 |
|
1306 |
int set_re_len (DB *db, U32 re_len) |
1307 |
CODE: |
1308 |
RETVAL = db->set_re_len (db, re_len); |
1309 |
OUTPUT: |
1310 |
RETVAL |
1311 |
|
1312 |
int set_h_ffactor (DB *db, U32 h_ffactor) |
1313 |
CODE: |
1314 |
RETVAL = db->set_h_ffactor (db, h_ffactor); |
1315 |
OUTPUT: |
1316 |
RETVAL |
1317 |
|
1318 |
int set_h_nelem (DB *db, U32 h_nelem) |
1319 |
CODE: |
1320 |
RETVAL = db->set_h_nelem (db, h_nelem); |
1321 |
OUTPUT: |
1322 |
RETVAL |
1323 |
|
1324 |
int set_q_extentsize (DB *db, U32 extentsize) |
1325 |
CODE: |
1326 |
RETVAL = db->set_q_extentsize (db, extentsize); |
1327 |
OUTPUT: |
1328 |
RETVAL |
1329 |
|
1330 |
MODULE = BDB PACKAGE = BDB::Txn |
1331 |
|
1332 |
void |
1333 |
DESTROY (DB_TXN_ornull *txn) |
1334 |
CODE: |
1335 |
if (txn) |
1336 |
txn->abort (txn); |
1337 |
|
1338 |
int set_timeout (DB_TXN *txn, NV timeout, U32 flags) |
1339 |
CODE: |
1340 |
RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); |
1341 |
OUTPUT: |
1342 |
RETVAL |
1343 |
|
1344 |
|