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Comparing BDB/BDB.xs (file contents):
Revision 1.1 by root, Mon Feb 5 18:40:55 2007 UTC vs.
Revision 1.25 by root, Mon Dec 10 04:45:54 2007 UTC

1/* solaris */ 1#include "xthread.h"
2#define _POSIX_PTHREAD_SEMANTICS 1
3
4#if __linux && !defined(_GNU_SOURCE)
5# define _GNU_SOURCE
6#endif
7
8/* just in case */
9#define _REENTRANT 1
10 2
11#include <errno.h> 3#include <errno.h>
12 4
13#include "EXTERN.h" 5#include "EXTERN.h"
14#include "perl.h" 6#include "perl.h"
15#include "XSUB.h" 7#include "XSUB.h"
16 8
17#include <pthread.h> 9// perl stupidly defines these as macros, breaking
10// lots and lots of code.
11#undef open
12#undef close
13#undef abort
14#undef malloc
15#undef free
16#undef send
18 17
19#include <stddef.h> 18#include <stddef.h>
20#include <stdlib.h> 19#include <stdlib.h>
21#include <errno.h> 20#include <errno.h>
22#include <sys/time.h>
23#include <sys/select.h>
24#include <sys/types.h> 21#include <sys/types.h>
25#include <sys/stat.h>
26#include <limits.h> 22#include <limits.h>
27#include <unistd.h>
28#include <fcntl.h> 23#include <fcntl.h>
29#include <signal.h> 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
30#include <sched.h> 30#include <db.h>
31
32#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
33# error you need Berkeley DB 4.4 or newer installed
34#endif
31 35
32/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
33#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
34 38
35/* wether word reads are potentially non-atomic. 39typedef DB_ENV DB_ENV_ornull;
36 * this is conservatice, likely most arches this runs 40typedef DB_TXN DB_TXN_ornull;
37 * on have atomic word read/writes. 41typedef DBC DBC_ornull;
38 */ 42typedef DB DB_ornull;
39#ifndef WORDACCESS_UNSAFE 43typedef DB_SEQUENCE DB_SEQUENCE_ornull;
40# if __i386 || __x86_64 44
41# define WORDACCESS_UNSAFE 0 45typedef SV SV8; /* byte-sv, used for argument-checking */
42# else 46typedef char *octetstring;
43# define WORDACCESS_UNSAFE 1 47
44# endif 48static SV *prepare_cb;
49
50#if DB_VERSION_MINOR >= 6
51# define c_close close
52# define c_count count
53# define c_del del
54# define c_dup dup
55# define c_get get
56# define c_pget pget
57# define c_put put
45#endif 58#endif
46 59
47typedef SV SV8; /* byte-sv, used for argument-checking */ 60static void
61debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
62{
63 printf ("err[%s]\n", msg);
64}
48 65
66static void
67debug_msgcall (const DB_ENV *dbenv, const char *msg)
68{
69 printf ("msg[%s]\n", msg);
70}
71
72static char *
73strdup_ornull (const char *s)
74{
75 return s ? strdup (s) : 0;
76}
77
78static void
79sv_to_dbt (DBT *dbt, SV *sv)
80{
81 STRLEN len;
82 char *data = SvPVbyte (sv, len);
83
84 dbt->data = malloc (len);
85 memcpy (dbt->data, data, len);
86 dbt->size = len;
87 dbt->flags = DB_DBT_REALLOC;
88}
89
90static void
91dbt_to_sv (SV *sv, DBT *dbt)
92{
93 if (sv)
94 {
95 SvREADONLY_off (sv);
96 sv_setpvn_mg (sv, dbt->data, dbt->size);
97 SvREFCNT_dec (sv);
98 }
99
100 free (dbt->data);
101}
102
49enum { 103enum {
50 REQ_QUIT, 104 REQ_QUIT,
105 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
107 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
108 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
109 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
110 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
111 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
51}; 112};
52 113
53#define AIO_CB \
54 struct aio_cb *volatile next; \
55 SV *callback; \
56 int type, pri
57
58typedef struct aio_cb 114typedef struct aio_cb
59{ 115{
60 AIO_CB; 116 struct aio_cb *volatile next;
117 SV *callback;
118 int type, pri, result;
119
120 DB_ENV *env;
121 DB *db;
122 DB_TXN *txn;
123 DBC *dbc;
124
125 UV uv1;
126 int int1, int2;
127 U32 uint1, uint2;
128 char *buf1, *buf2;
129 SV *sv1, *sv2, *sv3;
130
131 DBT dbt1, dbt2, dbt3;
132 DB_KEY_RANGE key_range;
133 DB_SEQUENCE *seq;
134 db_seq_t seq_t;
61} aio_cb; 135} aio_cb;
62 136
63typedef aio_cb *aio_req; 137typedef aio_cb *aio_req;
64 138
65enum { 139enum {
85 159
86static int next_pri = DEFAULT_PRI + PRI_BIAS; 160static int next_pri = DEFAULT_PRI + PRI_BIAS;
87 161
88static unsigned int started, idle, wanted; 162static unsigned int started, idle, wanted;
89 163
90#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
91# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
92#else
93# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
94#endif
95
96#define LOCK(mutex) pthread_mutex_lock (&(mutex))
97#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
98
99/* worker threads management */ 164/* worker threads management */
100static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 165static mutex_t wrklock = X_MUTEX_INIT;
101 166
102typedef struct worker { 167typedef struct worker {
103 /* locked by wrklock */ 168 /* locked by wrklock */
104 struct worker *prev, *next; 169 struct worker *prev, *next;
105 170
106 pthread_t tid; 171 thread_t tid;
107 172
108 /* locked by reslock, reqlock or wrklock */ 173 /* locked by reslock, reqlock or wrklock */
109 aio_req req; /* currently processed request */ 174 aio_req req; /* currently processed request */
110 void *dbuf; 175 void *dbuf;
111 DIR *dirp; 176 DIR *dirp;
126} 191}
127 192
128static volatile unsigned int nreqs, nready, npending; 193static volatile unsigned int nreqs, nready, npending;
129static volatile unsigned int max_idle = 4; 194static volatile unsigned int max_idle = 4;
130static volatile unsigned int max_outstanding = 0xffffffff; 195static volatile unsigned int max_outstanding = 0xffffffff;
131static int respipe [2]; 196static int respipe_osf [2], respipe [2] = { -1, -1 };
132 197
133static pthread_mutex_t reslock = AIO_MUTEX_INIT; 198static mutex_t reslock = X_MUTEX_INIT;
134static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 199static mutex_t reqlock = X_MUTEX_INIT;
135static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 200static cond_t reqwait = X_COND_INIT;
136 201
137#if WORDACCESS_UNSAFE 202#if WORDACCESS_UNSAFE
138 203
139static unsigned int get_nready () 204static unsigned int get_nready ()
140{ 205{
141 unsigned int retval; 206 unsigned int retval;
142 207
143 LOCK (reqlock); 208 X_LOCK (reqlock);
144 retval = nready; 209 retval = nready;
145 UNLOCK (reqlock); 210 X_UNLOCK (reqlock);
146 211
147 return retval; 212 return retval;
148} 213}
149 214
150static unsigned int get_npending () 215static unsigned int get_npending ()
151{ 216{
152 unsigned int retval; 217 unsigned int retval;
153 218
154 LOCK (reslock); 219 X_LOCK (reslock);
155 retval = npending; 220 retval = npending;
156 UNLOCK (reslock); 221 X_UNLOCK (reslock);
157 222
158 return retval; 223 return retval;
159} 224}
160 225
161static unsigned int get_nthreads () 226static unsigned int get_nthreads ()
162{ 227{
163 unsigned int retval; 228 unsigned int retval;
164 229
165 LOCK (wrklock); 230 X_LOCK (wrklock);
166 retval = started; 231 retval = started;
167 UNLOCK (wrklock); 232 X_UNLOCK (wrklock);
168 233
169 return retval; 234 return retval;
170} 235}
171 236
172#else 237#else
230 295
231 abort (); 296 abort ();
232} 297}
233 298
234static int poll_cb (); 299static int poll_cb ();
235static int req_invoke (aio_req req);
236static void req_free (aio_req req); 300static void req_free (aio_req req);
237static void req_cancel (aio_req req); 301static void req_cancel (aio_req req);
238 302
239static int req_invoke (aio_req req) 303static int req_invoke (aio_req req)
240{ 304{
243 if (SvOK (req->callback)) 307 if (SvOK (req->callback))
244 { 308 {
245 ENTER; 309 ENTER;
246 SAVETMPS; 310 SAVETMPS;
247 PUSHMARK (SP); 311 PUSHMARK (SP);
248 EXTEND (SP, 1);
249 312
250 switch (req->type) 313 switch (req->type)
251 { 314 {
315 case REQ_DB_CLOSE:
316 SvREFCNT_dec (req->sv1);
317 break;
318
319 case REQ_DB_GET:
320 case REQ_DB_PGET:
321 dbt_to_sv (req->sv3, &req->dbt3);
322 break;
323
324 case REQ_C_GET:
325 case REQ_C_PGET:
326 dbt_to_sv (req->sv1, &req->dbt1);
327 dbt_to_sv (req->sv2, &req->dbt2);
328 dbt_to_sv (req->sv3, &req->dbt3);
329 break;
330
331 case REQ_DB_PUT:
332 case REQ_C_PUT:
333 dbt_to_sv (0, &req->dbt1);
334 dbt_to_sv (0, &req->dbt2);
335 break;
336
337 case REQ_DB_KEY_RANGE:
338 {
339 AV *av = newAV ();
340
341 av_push (av, newSVnv (req->key_range.less));
342 av_push (av, newSVnv (req->key_range.equal));
343 av_push (av, newSVnv (req->key_range.greater));
344
345 SvREADONLY_off (req->sv1);
346 sv_setsv_mg (req->sv1, newRV_noinc ((SV *)av));
347 SvREFCNT_dec (req->sv1);
348 }
349 break;
350
351 case REQ_SEQ_GET:
352 SvREADONLY_off (req->sv1);
353
354 if (sizeof (IV) > 4)
355 sv_setiv_mg (req->sv1, (IV)req->seq_t);
356 else
357 sv_setnv_mg (req->sv1, (NV)req->seq_t);
358
359 SvREFCNT_dec (req->sv1);
360 break;
252 } 361 }
362
363 errno = req->result;
253 364
254 PUTBACK; 365 PUTBACK;
255 call_sv (req->callback, G_VOID | G_EVAL); 366 call_sv (req->callback, G_VOID | G_EVAL);
256 SPAGAIN; 367 SPAGAIN;
257 368
262 return !SvTRUE (ERRSV); 373 return !SvTRUE (ERRSV);
263} 374}
264 375
265static void req_free (aio_req req) 376static void req_free (aio_req req)
266{ 377{
378 free (req->buf1);
379 free (req->buf2);
267 Safefree (req); 380 Safefree (req);
268} 381}
269 382
270static void *aio_proc(void *arg); 383#ifdef USE_SOCKETS_AS_HANDLES
384# define TO_SOCKET(x) (win32_get_osfhandle (x))
385#else
386# define TO_SOCKET(x) (x)
387#endif
388
389static void
390create_respipe ()
391{
392#ifdef _WIN32
393 int arg; /* argg */
394#endif
395 int old_readfd = respipe [0];
396
397 if (respipe [1] >= 0)
398 respipe_close (TO_SOCKET (respipe [1]));
399
400#ifdef _WIN32
401 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
402#else
403 if (pipe (respipe))
404#endif
405 croak ("unable to initialize result pipe");
406
407 if (old_readfd >= 0)
408 {
409 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
410 croak ("unable to initialize result pipe(2)");
411
412 respipe_close (respipe [0]);
413 respipe [0] = old_readfd;
414 }
415
416#ifdef _WIN32
417 arg = 1;
418 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
419 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
420#else
421 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
422 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
423#endif
424 croak ("unable to initialize result pipe(3)");
425
426 respipe_osf [0] = TO_SOCKET (respipe [0]);
427 respipe_osf [1] = TO_SOCKET (respipe [1]);
428}
429
430X_THREAD_PROC (bdb_proc);
271 431
272static void start_thread (void) 432static void start_thread (void)
273{ 433{
274 sigset_t fullsigset, oldsigset;
275 pthread_attr_t attr;
276
277 worker *wrk = calloc (1, sizeof (worker)); 434 worker *wrk = calloc (1, sizeof (worker));
278 435
279 if (!wrk) 436 if (!wrk)
280 croak ("unable to allocate worker thread data"); 437 croak ("unable to allocate worker thread data");
281 438
282 pthread_attr_init (&attr);
283 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
284#ifdef PTHREAD_SCOPE_PROCESS
285 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
286#endif
287
288 sigfillset (&fullsigset);
289
290 LOCK (wrklock); 439 X_LOCK (wrklock);
291 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
292
293 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 440 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
294 { 441 {
295 wrk->prev = &wrk_first; 442 wrk->prev = &wrk_first;
296 wrk->next = wrk_first.next; 443 wrk->next = wrk_first.next;
297 wrk_first.next->prev = wrk; 444 wrk_first.next->prev = wrk;
298 wrk_first.next = wrk; 445 wrk_first.next = wrk;
299 ++started; 446 ++started;
300 } 447 }
301 else 448 else
302 free (wrk); 449 free (wrk);
303 450
304 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
305 UNLOCK (wrklock); 451 X_UNLOCK (wrklock);
306} 452}
307 453
308static void maybe_start_thread () 454static void maybe_start_thread ()
309{ 455{
310 if (get_nthreads () >= wanted) 456 if (get_nthreads () >= wanted)
317 start_thread (); 463 start_thread ();
318} 464}
319 465
320static void req_send (aio_req req) 466static void req_send (aio_req req)
321{ 467{
468 SV *wait_callback = 0;
469
470 // synthesize callback if none given
471 if (!SvOK (req->callback))
472 {
473 int count;
474
475 dSP;
476 PUSHMARK (SP);
477 PUTBACK;
478 count = call_sv (prepare_cb, G_ARRAY);
479 SPAGAIN;
480
481 if (count != 2)
482 croak ("prepare callback must return exactly two values\n");
483
484 wait_callback = SvREFCNT_inc (POPs);
485 SvREFCNT_dec (req->callback);
486 req->callback = SvREFCNT_inc (POPs);
487 }
488
322 ++nreqs; 489 ++nreqs;
323 490
324 LOCK (reqlock); 491 X_LOCK (reqlock);
325 ++nready; 492 ++nready;
326 reqq_push (&req_queue, req); 493 reqq_push (&req_queue, req);
327 pthread_cond_signal (&reqwait); 494 X_COND_SIGNAL (reqwait);
328 UNLOCK (reqlock); 495 X_UNLOCK (reqlock);
329 496
330 maybe_start_thread (); 497 maybe_start_thread ();
498
499 if (wait_callback)
500 {
501 dSP;
502 PUSHMARK (SP);
503 PUTBACK;
504 call_sv (wait_callback, G_DISCARD);
505 SvREFCNT_dec (wait_callback);
506 }
331} 507}
332 508
333static void end_thread (void) 509static void end_thread (void)
334{ 510{
335 aio_req req; 511 aio_req req;
337 Newz (0, req, 1, aio_cb); 513 Newz (0, req, 1, aio_cb);
338 514
339 req->type = REQ_QUIT; 515 req->type = REQ_QUIT;
340 req->pri = PRI_MAX + PRI_BIAS; 516 req->pri = PRI_MAX + PRI_BIAS;
341 517
342 LOCK (reqlock); 518 X_LOCK (reqlock);
343 reqq_push (&req_queue, req); 519 reqq_push (&req_queue, req);
344 pthread_cond_signal (&reqwait); 520 X_COND_SIGNAL (reqwait);
345 UNLOCK (reqlock); 521 X_UNLOCK (reqlock);
346 522
347 LOCK (wrklock); 523 X_LOCK (wrklock);
348 --started; 524 --started;
349 UNLOCK (wrklock); 525 X_UNLOCK (wrklock);
350} 526}
351 527
352static void set_max_idle (int nthreads) 528static void set_max_idle (int nthreads)
353{ 529{
354 if (WORDACCESS_UNSAFE) LOCK (reqlock); 530 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
355 max_idle = nthreads <= 0 ? 1 : nthreads; 531 max_idle = nthreads <= 0 ? 1 : nthreads;
356 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 532 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
357} 533}
358 534
359static void min_parallel (int nthreads) 535static void min_parallel (int nthreads)
360{ 536{
361 if (wanted < nthreads) 537 if (wanted < nthreads)
376 fd_set rfd; 552 fd_set rfd;
377 553
378 while (nreqs) 554 while (nreqs)
379 { 555 {
380 int size; 556 int size;
381 if (WORDACCESS_UNSAFE) LOCK (reslock); 557 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
382 size = res_queue.size; 558 size = res_queue.size;
383 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 559 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
384 560
385 if (size) 561 if (size)
386 return; 562 return;
387 563
388 maybe_start_thread (); 564 maybe_start_thread ();
389 565
390 FD_ZERO(&rfd); 566 FD_ZERO (&rfd);
391 FD_SET(respipe [0], &rfd); 567 FD_SET (respipe [0], &rfd);
392 568
393 select (respipe [0] + 1, &rfd, 0, 0, 0); 569 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
394 } 570 }
395} 571}
396 572
397static int poll_cb () 573static int poll_cb ()
398{ 574{
410 { 586 {
411 for (;;) 587 for (;;)
412 { 588 {
413 maybe_start_thread (); 589 maybe_start_thread ();
414 590
415 LOCK (reslock); 591 X_LOCK (reslock);
416 req = reqq_shift (&res_queue); 592 req = reqq_shift (&res_queue);
417 593
418 if (req) 594 if (req)
419 { 595 {
420 --npending; 596 --npending;
421 597
422 if (!res_queue.size) 598 if (!res_queue.size)
423 { 599 {
424 /* read any signals sent by the worker threads */ 600 /* read any signals sent by the worker threads */
425 char buf [4]; 601 char buf [4];
426 while (read (respipe [0], buf, 4) == 4) 602 while (respipe_read (respipe [0], buf, 4) == 4)
427 ; 603 ;
428 } 604 }
429 } 605 }
430 606
431 UNLOCK (reslock); 607 X_UNLOCK (reslock);
432 608
433 if (!req) 609 if (!req)
434 break; 610 break;
435 611
436 --nreqs; 612 --nreqs;
466 } 642 }
467 643
468 return count; 644 return count;
469} 645}
470 646
471static void create_pipe ()
472{
473 if (pipe (respipe))
474 croak ("unable to initialize result pipe");
475
476 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
477 croak ("cannot set result pipe to nonblocking mode");
478
479 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
480 croak ("cannot set result pipe to nonblocking mode");
481}
482
483/*****************************************************************************/ 647/*****************************************************************************/
484 648
485static void *aio_proc (void *thr_arg) 649X_THREAD_PROC (bdb_proc)
486{ 650{
487 aio_req req; 651 aio_req req;
488 struct timespec ts; 652 struct timespec ts;
489 worker *self = (worker *)thr_arg; 653 worker *self = (worker *)thr_arg;
490 654
491 /* try to distribute timeouts somewhat evenly */ 655 /* try to distribute timeouts somewhat evenly */
492 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 656 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
493 * (1000000000UL / 1024UL);
494 657
495 for (;;) 658 for (;;)
496 { 659 {
497 ts.tv_sec = time (0) + IDLE_TIMEOUT; 660 ts.tv_sec = time (0) + IDLE_TIMEOUT;
498 661
499 LOCK (reqlock); 662 X_LOCK (reqlock);
500 663
501 for (;;) 664 for (;;)
502 { 665 {
503 self->req = req = reqq_shift (&req_queue); 666 self->req = req = reqq_shift (&req_queue);
504 667
505 if (req) 668 if (req)
506 break; 669 break;
507 670
508 ++idle; 671 ++idle;
509 672
510 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 673 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
511 == ETIMEDOUT) 674 == ETIMEDOUT)
512 { 675 {
513 if (idle > max_idle) 676 if (idle > max_idle)
514 { 677 {
515 --idle; 678 --idle;
516 UNLOCK (reqlock); 679 X_UNLOCK (reqlock);
517 LOCK (wrklock); 680 X_LOCK (wrklock);
518 --started; 681 --started;
519 UNLOCK (wrklock); 682 X_UNLOCK (wrklock);
520 goto quit; 683 goto quit;
521 } 684 }
522 685
523 /* we are allowed to idle, so do so without any timeout */ 686 /* we are allowed to idle, so do so without any timeout */
524 pthread_cond_wait (&reqwait, &reqlock); 687 X_COND_WAIT (reqwait, reqlock);
525 ts.tv_sec = time (0) + IDLE_TIMEOUT; 688 ts.tv_sec = time (0) + IDLE_TIMEOUT;
526 } 689 }
527 690
528 --idle; 691 --idle;
529 } 692 }
530 693
531 --nready; 694 --nready;
532 695
533 UNLOCK (reqlock); 696 X_UNLOCK (reqlock);
534 697
535 errno = 0; /* strictly unnecessary */
536
537 switch (req->type) 698 switch (req->type)
538 { 699 {
539 case REQ_QUIT: 700 case REQ_QUIT:
701 req->result = ENOSYS;
540 goto quit; 702 goto quit;
541 703
704 case REQ_ENV_OPEN:
705 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
706 break;
707
708 case REQ_ENV_CLOSE:
709 req->result = req->env->close (req->env, req->uint1);
710 break;
711
712 case REQ_ENV_TXN_CHECKPOINT:
713 req->result = req->env->txn_checkpoint (req->env, req->uint1, req->int1, req->uint2);
714 break;
715
716 case REQ_ENV_LOCK_DETECT:
717 req->result = req->env->lock_detect (req->env, req->uint1, req->uint2, &req->int1);
718 break;
719
720 case REQ_ENV_MEMP_SYNC:
721 req->result = req->env->memp_sync (req->env, 0);
722 break;
723
724 case REQ_ENV_MEMP_TRICKLE:
725 req->result = req->env->memp_trickle (req->env, req->int1, &req->int2);
726 break;
727
728 case REQ_DB_OPEN:
729 req->result = req->db->open (req->db, req->txn, req->buf1, req->buf2, req->int1, req->uint1, req->int2);
730 break;
731
732 case REQ_DB_CLOSE:
733 req->result = req->db->close (req->db, req->uint1);
734 break;
735
736 case REQ_DB_COMPACT:
737 req->result = req->db->compact (req->db, req->txn, &req->dbt1, &req->dbt2, 0, req->uint1, 0);
738 break;
739
740 case REQ_DB_SYNC:
741 req->result = req->db->sync (req->db, req->uint1);
742 break;
743
744 case REQ_DB_PUT:
745 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
746 break;
747
748 case REQ_DB_GET:
749 req->result = req->db->get (req->db, req->txn, &req->dbt1, &req->dbt3, req->uint1);
750 break;
751
752 case REQ_DB_PGET:
753 req->result = req->db->pget (req->db, req->txn, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
754 break;
755
756 case REQ_DB_DEL:
757 req->result = req->db->del (req->db, req->txn, &req->dbt1, req->uint1);
758 break;
759
760 case REQ_DB_KEY_RANGE:
761 req->result = req->db->key_range (req->db, req->txn, &req->dbt1, &req->key_range, req->uint1);
762 break;
763
764 case REQ_TXN_COMMIT:
765 req->result = req->txn->commit (req->txn, req->uint1);
766 break;
767
768 case REQ_TXN_ABORT:
769 req->result = req->txn->abort (req->txn);
770 break;
771
772 case REQ_TXN_FINISH:
773 if (req->txn->flags & TXN_DEADLOCK)
774 {
775 req->result = req->txn->abort (req->txn);
776 if (!req->result)
777 req->result = DB_LOCK_DEADLOCK;
778 }
779 else
780 req->result = req->txn->commit (req->txn, req->uint1);
781 break;
782
783 case REQ_C_CLOSE:
784 req->result = req->dbc->c_close (req->dbc);
785 break;
786
787 case REQ_C_COUNT:
788 {
789 db_recno_t recno;
790 req->result = req->dbc->c_count (req->dbc, &recno, req->uint1);
791 req->uv1 = recno;
792 }
793 break;
794
795 case REQ_C_PUT:
796 req->result = req->dbc->c_put (req->dbc, &req->dbt1, &req->dbt2, req->uint1);
797 break;
798
799 case REQ_C_GET:
800 req->result = req->dbc->c_get (req->dbc, &req->dbt1, &req->dbt3, req->uint1);
801 break;
802
803 case REQ_C_PGET:
804 req->result = req->dbc->c_pget (req->dbc, &req->dbt1, &req->dbt2, &req->dbt3, req->uint1);
805 break;
806
807 case REQ_C_DEL:
808 req->result = req->dbc->c_del (req->dbc, req->uint1);
809 break;
810
811 case REQ_SEQ_OPEN:
812 req->result = req->seq->open (req->seq, req->txn, &req->dbt1, req->uint1);
813 break;
814
815 case REQ_SEQ_CLOSE:
816 req->result = req->seq->close (req->seq, req->uint1);
817 break;
818
819 case REQ_SEQ_GET:
820 req->result = req->seq->get (req->seq, req->txn, req->int1, &req->seq_t, req->uint1);
821 break;
822
823 case REQ_SEQ_REMOVE:
824 req->result = req->seq->remove (req->seq, req->txn, req->uint1);
825 break;
826
542 default: 827 default:
543 //req->result = ENOSYS; 828 req->result = ENOSYS;
544 break; 829 break;
545 } 830 }
546 831
547 //req->errorno = errno; 832 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
833 req->txn->flags |= TXN_DEADLOCK;
548 834
549 LOCK (reslock); 835 X_LOCK (reslock);
550 836
551 ++npending; 837 ++npending;
552 838
553 if (!reqq_push (&res_queue, req)) 839 if (!reqq_push (&res_queue, req))
554 /* write a dummy byte to the pipe so fh becomes ready */ 840 /* write a dummy byte to the pipe so fh becomes ready */
555 write (respipe [1], &respipe, 1); 841 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
556 842
557 self->req = 0; 843 self->req = 0;
558 worker_clear (self); 844 worker_clear (self);
559 845
560 UNLOCK (reslock); 846 X_UNLOCK (reslock);
561 } 847 }
562 848
563quit: 849quit:
564 LOCK (wrklock); 850 X_LOCK (wrklock);
565 worker_free (self); 851 worker_free (self);
566 UNLOCK (wrklock); 852 X_UNLOCK (wrklock);
567 853
568 return 0; 854 return 0;
569} 855}
570 856
571/*****************************************************************************/ 857/*****************************************************************************/
572 858
573static void atfork_prepare (void) 859static void atfork_prepare (void)
574{ 860{
575 LOCK (wrklock); 861 X_LOCK (wrklock);
576 LOCK (reqlock); 862 X_LOCK (reqlock);
577 LOCK (reslock); 863 X_LOCK (reslock);
578} 864}
579 865
580static void atfork_parent (void) 866static void atfork_parent (void)
581{ 867{
582 UNLOCK (reslock); 868 X_UNLOCK (reslock);
583 UNLOCK (reqlock); 869 X_UNLOCK (reqlock);
584 UNLOCK (wrklock); 870 X_UNLOCK (wrklock);
585} 871}
586 872
587static void atfork_child (void) 873static void atfork_child (void)
588{ 874{
589 aio_req prv; 875 aio_req prv;
609 idle = 0; 895 idle = 0;
610 nreqs = 0; 896 nreqs = 0;
611 nready = 0; 897 nready = 0;
612 npending = 0; 898 npending = 0;
613 899
614 close (respipe [0]);
615 close (respipe [1]);
616 create_pipe (); 900 create_respipe ();
617 901
618 atfork_parent (); 902 atfork_parent ();
619} 903}
620 904
621#define dREQ \ 905#define dREQ(reqtype) \
622 aio_req req; \ 906 aio_req req; \
623 int req_pri = next_pri; \ 907 int req_pri = next_pri; \
624 next_pri = DEFAULT_PRI + PRI_BIAS; \ 908 next_pri = DEFAULT_PRI + PRI_BIAS; \
625 \ 909 \
626 if (SvOK (callback) && !SvROK (callback)) \ 910 if (SvOK (callback) && !SvROK (callback)) \
627 croak ("callback must be undef or of reference type"); \ 911 croak ("callback must be undef or of reference type"); \
628 \ 912 \
629 Newz (0, req, 1, aio_cb); \ 913 Newz (0, req, 1, aio_cb); \
630 if (!req) \ 914 if (!req) \
631 croak ("out of memory during aio_req allocation"); \ 915 croak ("out of memory during aio_req allocation"); \
632 \ 916 \
633 req->callback = newSVsv (callback); \ 917 req->callback = newSVsv (callback); \
918 req->type = (reqtype); \
634 req->pri = req_pri 919 req->pri = req_pri
635 920
636#define REQ_SEND \ 921#define REQ_SEND \
637 req_send (req); \ 922 req_send (req)
923
924#define SvPTR(var, arg, type, class, nullok) \
925 if (!SvOK (arg)) \
926 { \
927 if (!nullok) \
928 croak (# var " must be a " # class " object, not undef"); \
638 \ 929 \
639 if (GIMME_V != G_VOID) \ 930 (var) = 0; \
640 XPUSHs (req_sv (req, AIO_REQ_KLASS)); 931 } \
641 932 else if (sv_derived_from ((arg), # class)) \
933 { \
934 IV tmp = SvIV ((SV*) SvRV (arg)); \
935 (var) = INT2PTR (type, tmp); \
936 if (!var) \
937 croak (# var " is not a valid " # class " object anymore"); \
938 } \
939 else \
940 croak (# var " is not of type " # class); \
941 \
942
943static void
944ptr_nuke (SV *sv)
945{
946 assert (SvROK (sv));
947 sv_setiv (SvRV (sv), 0);
948}
949
642MODULE = BDB::AIO PACKAGE = BDB::AIO 950MODULE = BDB PACKAGE = BDB
643 951
644PROTOTYPES: ENABLE 952PROTOTYPES: ENABLE
645 953
646BOOT: 954BOOT:
647{ 955{
648 HV *stash = gv_stashpv ("BDB::AIO", 1); 956 HV *stash = gv_stashpv ("BDB", 1);
649 957
650 create_pipe (); 958 static const struct {
959 const char *name;
960 IV iv;
961 } *civ, const_iv[] = {
962#define const_iv(name) { # name, (IV)DB_ ## name },
963 const_iv (RPCCLIENT)
964 const_iv (INIT_CDB)
965 const_iv (INIT_LOCK)
966 const_iv (INIT_LOG)
967 const_iv (INIT_MPOOL)
968 const_iv (INIT_REP)
969 const_iv (INIT_TXN)
970 const_iv (RECOVER)
971 const_iv (INIT_TXN)
972 const_iv (RECOVER_FATAL)
973 const_iv (CREATE)
974 const_iv (RDONLY)
975 const_iv (USE_ENVIRON)
976 const_iv (USE_ENVIRON_ROOT)
977 const_iv (LOCKDOWN)
978 const_iv (PRIVATE)
979 const_iv (REGISTER)
980 const_iv (SYSTEM_MEM)
981 const_iv (AUTO_COMMIT)
982 const_iv (CDB_ALLDB)
983 const_iv (DIRECT_DB)
984 const_iv (DIRECT_LOG)
985 const_iv (DSYNC_DB)
986 const_iv (DSYNC_LOG)
987 const_iv (LOG_AUTOREMOVE)
988 const_iv (LOG_INMEMORY)
989 const_iv (NOLOCKING)
990 const_iv (NOMMAP)
991 const_iv (NOPANIC)
992 const_iv (OVERWRITE)
993 const_iv (PANIC_ENVIRONMENT)
994 const_iv (REGION_INIT)
995 const_iv (TIME_NOTGRANTED)
996 const_iv (TXN_NOSYNC)
997 const_iv (TXN_NOT_DURABLE)
998 const_iv (TXN_WRITE_NOSYNC)
999 const_iv (WRITECURSOR)
1000 const_iv (YIELDCPU)
1001 const_iv (ENCRYPT_AES)
1002 const_iv (XA_CREATE)
1003 const_iv (BTREE)
1004 const_iv (HASH)
1005 const_iv (QUEUE)
1006 const_iv (RECNO)
1007 const_iv (UNKNOWN)
1008 const_iv (EXCL)
1009 const_iv (READ_COMMITTED)
1010 const_iv (READ_UNCOMMITTED)
1011 const_iv (TRUNCATE)
1012 const_iv (NOSYNC)
1013 const_iv (CHKSUM)
1014 const_iv (ENCRYPT)
1015 const_iv (DUP)
1016 const_iv (DUPSORT)
1017 const_iv (RECNUM)
1018 const_iv (RENUMBER)
1019 const_iv (REVSPLITOFF)
1020 const_iv (INORDER)
1021 const_iv (CONSUME)
1022 const_iv (CONSUME_WAIT)
1023 const_iv (GET_BOTH)
1024 const_iv (GET_BOTH_RANGE)
1025 //const_iv (SET_RECNO)
1026 //const_iv (MULTIPLE)
1027 const_iv (SNAPSHOT)
1028 const_iv (JOIN_ITEM)
1029 const_iv (RMW)
1030
1031 const_iv (NOTFOUND)
1032 const_iv (KEYEMPTY)
1033 const_iv (LOCK_DEADLOCK)
1034 const_iv (LOCK_NOTGRANTED)
1035 const_iv (RUNRECOVERY)
1036 const_iv (OLD_VERSION)
1037 const_iv (REP_HANDLE_DEAD)
1038 const_iv (REP_LOCKOUT)
1039 const_iv (SECONDARY_BAD)
1040
1041 const_iv (FREE_SPACE)
1042 const_iv (FREELIST_ONLY)
1043
1044 const_iv (APPEND)
1045 const_iv (NODUPDATA)
1046 const_iv (NOOVERWRITE)
1047
1048 const_iv (TXN_NOWAIT)
1049 const_iv (TXN_SYNC)
1050
1051 const_iv (SET_LOCK_TIMEOUT)
1052 const_iv (SET_TXN_TIMEOUT)
1053
1054 const_iv (JOIN_ITEM)
1055 const_iv (FIRST)
1056 const_iv (NEXT)
1057 const_iv (NEXT_DUP)
1058 const_iv (NEXT_NODUP)
1059 const_iv (PREV)
1060 const_iv (PREV_NODUP)
1061 const_iv (SET)
1062 const_iv (SET_RANGE)
1063 const_iv (LAST)
1064 const_iv (BEFORE)
1065 const_iv (AFTER)
1066 const_iv (CURRENT)
1067 const_iv (KEYFIRST)
1068 const_iv (KEYLAST)
1069 const_iv (NODUPDATA)
1070
1071 const_iv (FORCE)
1072
1073 const_iv (LOCK_DEFAULT)
1074 const_iv (LOCK_EXPIRE)
1075 const_iv (LOCK_MAXLOCKS)
1076 const_iv (LOCK_MAXWRITE)
1077 const_iv (LOCK_MINLOCKS)
1078 const_iv (LOCK_MINWRITE)
1079 const_iv (LOCK_OLDEST)
1080 const_iv (LOCK_RANDOM)
1081 const_iv (LOCK_YOUNGEST)
1082
1083 const_iv (SEQ_DEC)
1084 const_iv (SEQ_INC)
1085 const_iv (SEQ_WRAP)
1086
1087 const_iv (BUFFER_SMALL)
1088 const_iv (DONOTINDEX)
1089 const_iv (KEYEMPTY )
1090 const_iv (KEYEXIST )
1091 const_iv (LOCK_DEADLOCK)
1092 const_iv (LOCK_NOTGRANTED)
1093 const_iv (LOG_BUFFER_FULL)
1094 const_iv (NOSERVER)
1095 const_iv (NOSERVER_HOME)
1096 const_iv (NOSERVER_ID)
1097 const_iv (NOTFOUND)
1098 const_iv (PAGE_NOTFOUND)
1099 const_iv (REP_DUPMASTER)
1100 const_iv (REP_HANDLE_DEAD)
1101 const_iv (REP_HOLDELECTION)
1102 const_iv (REP_IGNORE)
1103 const_iv (REP_ISPERM)
1104 const_iv (REP_JOIN_FAILURE)
1105 const_iv (REP_LOCKOUT)
1106 const_iv (REP_NEWMASTER)
1107 const_iv (REP_NEWSITE)
1108 const_iv (REP_NOTPERM)
1109 const_iv (REP_UNAVAIL)
1110 const_iv (RUNRECOVERY)
1111 const_iv (SECONDARY_BAD)
1112 const_iv (VERIFY_BAD)
1113 const_iv (VERSION_MISMATCH)
1114
1115 const_iv (VERB_DEADLOCK)
1116 const_iv (VERB_RECOVERY)
1117 const_iv (VERB_REGISTER)
1118 const_iv (VERB_REPLICATION)
1119 const_iv (VERB_WAITSFOR)
1120
1121 const_iv (VERSION_MAJOR)
1122 const_iv (VERSION_MINOR)
1123 const_iv (VERSION_PATCH)
1124#if DB_VERSION_MINOR >= 5
1125 const_iv (MULTIVERSION)
1126 const_iv (TXN_SNAPSHOT)
1127#endif
1128#if DB_VERSION_MINOR >= 6
1129 const_iv (PREV_DUP)
1130# if 0
1131 const_iv (PRIORITY_UNCHANGED)
1132 const_iv (PRIORITY_VERY_LOW)
1133 const_iv (PRIORITY_LOW)
1134 const_iv (PRIORITY_DEFAULT)
1135 const_iv (PRIORITY_HIGH)
1136 const_iv (PRIORITY_VERY_HIGH)
1137# endif
1138#endif
1139 };
1140
1141 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1142 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1143
1144 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1145 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1146
1147 create_respipe ();
1148
651 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1149 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1150#ifdef _WIN32
1151 X_MUTEX_CHECK (wrklock);
1152 X_MUTEX_CHECK (reslock);
1153 X_MUTEX_CHECK (reqlock);
1154
1155 X_COND_CHECK (reqwait);
1156#endif
652} 1157}
653 1158
654void 1159void
655max_poll_reqs (int nreqs) 1160max_poll_reqs (int nreqs)
656 PROTOTYPE: $ 1161 PROTOTYPE: $
685 max_outstanding = maxreqs; 1190 max_outstanding = maxreqs;
686 OUTPUT: 1191 OUTPUT:
687 RETVAL 1192 RETVAL
688 1193
689int 1194int
690bdbreq_pri (int pri = 0) 1195dbreq_pri (int pri = 0)
691 PROTOTYPE: ;$ 1196 PROTOTYPE: ;$
692 CODE: 1197 CODE:
693 RETVAL = next_pri - PRI_BIAS; 1198 RETVAL = next_pri - PRI_BIAS;
694 if (items > 0) 1199 if (items > 0)
695 { 1200 {
699 } 1204 }
700 OUTPUT: 1205 OUTPUT:
701 RETVAL 1206 RETVAL
702 1207
703void 1208void
704bdbreq_nice (int nice = 0) 1209dbreq_nice (int nice = 0)
705 CODE: 1210 CODE:
706 nice = next_pri - nice; 1211 nice = next_pri - nice;
707 if (nice < PRI_MIN) nice = PRI_MIN; 1212 if (nice < PRI_MIN) nice = PRI_MIN;
708 if (nice > PRI_MAX) nice = PRI_MAX; 1213 if (nice > PRI_MAX) nice = PRI_MAX;
709 next_pri = nice + PRI_BIAS; 1214 next_pri = nice + PRI_BIAS;
717 poll_wait (); 1222 poll_wait ();
718 poll_cb (); 1223 poll_cb ();
719 } 1224 }
720 1225
721int 1226int
722poll() 1227poll ()
723 PROTOTYPE: 1228 PROTOTYPE:
724 CODE: 1229 CODE:
725 poll_wait (); 1230 poll_wait ();
726 RETVAL = poll_cb (); 1231 RETVAL = poll_cb ();
727 OUTPUT: 1232 OUTPUT:
728 RETVAL 1233 RETVAL
729 1234
730int 1235int
731poll_fileno() 1236poll_fileno ()
732 PROTOTYPE: 1237 PROTOTYPE:
733 CODE: 1238 CODE:
734 RETVAL = respipe [0]; 1239 RETVAL = respipe [0];
735 OUTPUT: 1240 OUTPUT:
736 RETVAL 1241 RETVAL
737 1242
738int 1243int
739poll_cb(...) 1244poll_cb (...)
740 PROTOTYPE: 1245 PROTOTYPE:
741 CODE: 1246 CODE:
742 RETVAL = poll_cb (); 1247 RETVAL = poll_cb ();
743 OUTPUT: 1248 OUTPUT:
744 RETVAL 1249 RETVAL
745 1250
746void 1251void
747poll_wait() 1252poll_wait ()
748 PROTOTYPE: 1253 PROTOTYPE:
749 CODE: 1254 CODE:
750 poll_wait (); 1255 poll_wait ();
751 1256
752int 1257int
753nreqs() 1258nreqs ()
754 PROTOTYPE: 1259 PROTOTYPE:
755 CODE: 1260 CODE:
756 RETVAL = nreqs; 1261 RETVAL = nreqs;
757 OUTPUT: 1262 OUTPUT:
758 RETVAL 1263 RETVAL
759 1264
760int 1265int
761nready() 1266nready ()
762 PROTOTYPE: 1267 PROTOTYPE:
763 CODE: 1268 CODE:
764 RETVAL = get_nready (); 1269 RETVAL = get_nready ();
765 OUTPUT: 1270 OUTPUT:
766 RETVAL 1271 RETVAL
767 1272
768int 1273int
769npending() 1274npending ()
770 PROTOTYPE: 1275 PROTOTYPE:
771 CODE: 1276 CODE:
772 RETVAL = get_npending (); 1277 RETVAL = get_npending ();
773 OUTPUT: 1278 OUTPUT:
774 RETVAL 1279 RETVAL
775 1280
776int 1281int
777nthreads() 1282nthreads ()
778 PROTOTYPE: 1283 PROTOTYPE:
779 CODE: 1284 CODE:
780 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1285 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
781 RETVAL = started; 1286 RETVAL = started;
782 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1287 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
783 OUTPUT: 1288 OUTPUT:
784 RETVAL 1289 RETVAL
785 1290
1291void
1292set_sync_prepare (SV *cb)
1293 PROTOTYPE: &
1294 CODE:
1295 SvREFCNT_dec (prepare_cb);
1296 prepare_cb = newSVsv (cb);
786 1297
1298char *
1299strerror (int errorno = errno)
1300 PROTOTYPE: ;$
1301 CODE:
1302 RETVAL = db_strerror (errorno);
1303 OUTPUT:
1304 RETVAL
1305
1306DB_ENV *
1307db_env_create (U32 env_flags = 0)
1308 CODE:
1309{
1310 errno = db_env_create (&RETVAL, env_flags);
1311 if (errno)
1312 croak ("db_env_create: %s", db_strerror (errno));
1313
1314 if (0)
1315 {
1316 RETVAL->set_errcall (RETVAL, debug_errcall);
1317 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1318 }
1319}
1320 OUTPUT:
1321 RETVAL
1322
1323void
1324db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1325 CODE:
1326{
1327 dREQ (REQ_ENV_OPEN);
1328
1329 env->set_thread_count (env, wanted + 2);
1330
1331 req->env = env;
1332 req->uint1 = open_flags | DB_THREAD;
1333 req->int1 = mode;
1334 req->buf1 = strdup_ornull (db_home);
1335 REQ_SEND;
1336}
1337
1338void
1339db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
1340 CODE:
1341{
1342 dREQ (REQ_ENV_CLOSE);
1343 req->env = env;
1344 req->uint1 = flags;
1345 REQ_SEND;
1346 ptr_nuke (ST (0));
1347}
1348
1349void
1350db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1351 CODE:
1352{
1353 dREQ (REQ_ENV_TXN_CHECKPOINT);
1354 req->env = env;
1355 req->uint1 = kbyte;
1356 req->int1 = min;
1357 req->uint2 = flags;
1358 REQ_SEND;
1359}
1360
1361void
1362db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1363 CODE:
1364{
1365 dREQ (REQ_ENV_LOCK_DETECT);
1366 req->env = env;
1367 req->uint1 = flags;
1368 req->uint2 = atype;
1369 REQ_SEND;
1370}
1371
1372void
1373db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1374 CODE:
1375{
1376 dREQ (REQ_ENV_MEMP_SYNC);
1377 req->env = env;
1378 REQ_SEND;
1379}
1380
1381void
1382db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1383 CODE:
1384{
1385 dREQ (REQ_ENV_MEMP_TRICKLE);
1386 req->env = env;
1387 req->int1 = percent;
1388 REQ_SEND;
1389}
1390
1391
1392DB *
1393db_create (DB_ENV *env = 0, U32 flags = 0)
1394 CODE:
1395{
1396 errno = db_create (&RETVAL, env, flags);
1397 if (errno)
1398 croak ("db_create: %s", db_strerror (errno));
1399
1400 if (RETVAL)
1401 RETVAL->app_private = (void *)newSVsv (ST (0));
1402}
1403 OUTPUT:
1404 RETVAL
1405
1406void
1407db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1408 CODE:
1409{
1410 dREQ (REQ_DB_OPEN);
1411 req->db = db;
1412 req->txn = txnid;
1413 req->buf1 = strdup_ornull (file);
1414 req->buf2 = strdup_ornull (database);
1415 req->int1 = type;
1416 req->uint1 = flags | DB_THREAD;
1417 req->int2 = mode;
1418 REQ_SEND;
1419}
1420
1421void
1422db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1423 CODE:
1424{
1425 dREQ (REQ_DB_CLOSE);
1426 req->db = db;
1427 req->uint1 = flags;
1428 req->sv1 = (SV *)db->app_private;
1429 REQ_SEND;
1430 ptr_nuke (ST (0));
1431}
1432
1433void
1434db_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)
1435 CODE:
1436{
1437 dREQ (REQ_DB_COMPACT);
1438 req->db = db;
1439 req->txn = txn;
1440 sv_to_dbt (&req->dbt1, start);
1441 sv_to_dbt (&req->dbt2, stop);
1442 req->uint1 = flags;
1443 REQ_SEND;
1444}
1445
1446void
1447db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1448 CODE:
1449{
1450 dREQ (REQ_DB_SYNC);
1451 req->db = db;
1452 req->uint1 = flags;
1453 REQ_SEND;
1454}
1455
1456void
1457db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1458 CODE:
1459{
1460 dREQ (REQ_DB_KEY_RANGE);
1461 req->db = db;
1462 req->txn = txn;
1463 sv_to_dbt (&req->dbt1, key);
1464 req->uint1 = flags;
1465 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1466 REQ_SEND;
1467}
1468
1469void
1470db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1471 CODE:
1472{
1473 dREQ (REQ_DB_PUT);
1474 req->db = db;
1475 req->txn = txn;
1476 sv_to_dbt (&req->dbt1, key);
1477 sv_to_dbt (&req->dbt2, data);
1478 req->uint1 = flags;
1479 REQ_SEND;
1480}
1481
1482void
1483db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1484 CODE:
1485{
1486 dREQ (REQ_DB_GET);
1487 req->db = db;
1488 req->txn = txn;
1489 req->uint1 = flags;
1490 sv_to_dbt (&req->dbt1, key);
1491 req->dbt3.flags = DB_DBT_MALLOC;
1492 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1493 REQ_SEND;
1494}
1495
1496void
1497db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1498 CODE:
1499{
1500 dREQ (REQ_DB_PGET);
1501 req->db = db;
1502 req->txn = txn;
1503 req->uint1 = flags;
1504 sv_to_dbt (&req->dbt1, key);
1505 sv_to_dbt (&req->dbt2, pkey);
1506 req->dbt3.flags = DB_DBT_MALLOC;
1507 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1508 REQ_SEND;
1509}
1510
1511void
1512db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1513 CODE:
1514{
1515 dREQ (REQ_DB_DEL);
1516 req->db = db;
1517 req->txn = txn;
1518 req->uint1 = flags;
1519 sv_to_dbt (&req->dbt1, key);
1520 REQ_SEND;
1521}
1522
1523void
1524db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1525 CODE:
1526{
1527 dREQ (REQ_TXN_COMMIT);
1528 req->txn = txn;
1529 req->uint1 = flags;
1530 REQ_SEND;
1531 ptr_nuke (ST (0));
1532}
1533
1534void
1535db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1536 CODE:
1537{
1538 dREQ (REQ_TXN_ABORT);
1539 req->txn = txn;
1540 REQ_SEND;
1541 ptr_nuke (ST (0));
1542}
1543
1544void
1545db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1546 CODE:
1547{
1548 dREQ (REQ_TXN_FINISH);
1549 req->txn = txn;
1550 req->uint1 = flags;
1551 REQ_SEND;
1552 ptr_nuke (ST (0));
1553}
1554
1555void
1556db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1557 CODE:
1558{
1559 dREQ (REQ_C_CLOSE);
1560 req->dbc = dbc;
1561 REQ_SEND;
1562 ptr_nuke (ST (0));
1563}
1564
1565void
1566db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
1567 CODE:
1568{
1569 dREQ (REQ_C_COUNT);
1570 req->dbc = dbc;
1571 req->sv1 = SvREFCNT_inc (count);
1572 REQ_SEND;
1573}
1574
1575void
1576db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1577 CODE:
1578{
1579 dREQ (REQ_C_PUT);
1580 req->dbc = dbc;
1581 sv_to_dbt (&req->dbt1, key);
1582 sv_to_dbt (&req->dbt2, data);
1583 req->uint1 = flags;
1584 REQ_SEND;
1585}
1586
1587void
1588db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1589 CODE:
1590{
1591 dREQ (REQ_C_GET);
1592 req->dbc = dbc;
1593 req->uint1 = flags;
1594 if ((flags & DB_SET) == DB_SET
1595 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1596 sv_to_dbt (&req->dbt1, key);
1597 else
1598 req->dbt1.flags = DB_DBT_MALLOC;
1599
1600 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1601
1602 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1603 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1604 sv_to_dbt (&req->dbt3, data);
1605 else
1606 req->dbt3.flags = DB_DBT_MALLOC;
1607
1608 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1609 REQ_SEND;
1610}
1611
1612void
1613db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1614 CODE:
1615{
1616 dREQ (REQ_C_PGET);
1617 req->dbc = dbc;
1618 req->uint1 = flags;
1619 if ((flags & DB_SET) == DB_SET
1620 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1621 sv_to_dbt (&req->dbt1, key);
1622 else
1623 req->dbt1.flags = DB_DBT_MALLOC;
1624
1625 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1626
1627 req->dbt2.flags = DB_DBT_MALLOC;
1628 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1629
1630 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1631 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1632 sv_to_dbt (&req->dbt3, data);
1633 else
1634 req->dbt3.flags = DB_DBT_MALLOC;
1635
1636 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1637 REQ_SEND;
1638}
1639
1640void
1641db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1642 CODE:
1643{
1644 dREQ (REQ_C_DEL);
1645 req->dbc = dbc;
1646 req->uint1 = flags;
1647 REQ_SEND;
1648}
1649
1650
1651void
1652db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1653 CODE:
1654{
1655 dREQ (REQ_SEQ_OPEN);
1656 req->seq = seq;
1657 req->txn = txnid;
1658 req->uint1 = flags | DB_THREAD;
1659 sv_to_dbt (&req->dbt1, key);
1660 REQ_SEND;
1661}
1662
1663void
1664db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1665 CODE:
1666{
1667 dREQ (REQ_SEQ_CLOSE);
1668 req->seq = seq;
1669 req->uint1 = flags;
1670 REQ_SEND;
1671 ptr_nuke (ST (0));
1672}
1673
1674void
1675db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1676 CODE:
1677{
1678 dREQ (REQ_SEQ_GET);
1679 req->seq = seq;
1680 req->txn = txnid;
1681 req->int1 = delta;
1682 req->uint1 = flags;
1683 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1684 REQ_SEND;
1685}
1686
1687void
1688db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1689 CODE:
1690{
1691 dREQ (REQ_SEQ_REMOVE);
1692 req->seq = seq;
1693 req->txn = txnid;
1694 req->uint1 = flags;
1695 REQ_SEND;
1696}
1697
1698
1699MODULE = BDB PACKAGE = BDB::Env
1700
1701void
1702DESTROY (DB_ENV_ornull *env)
1703 CODE:
1704 if (env)
1705 env->close (env, 0);
1706
1707int set_data_dir (DB_ENV *env, const char *dir)
1708 CODE:
1709 RETVAL = env->set_data_dir (env, dir);
1710 OUTPUT:
1711 RETVAL
1712
1713int set_tmp_dir (DB_ENV *env, const char *dir)
1714 CODE:
1715 RETVAL = env->set_tmp_dir (env, dir);
1716 OUTPUT:
1717 RETVAL
1718
1719int set_lg_dir (DB_ENV *env, const char *dir)
1720 CODE:
1721 RETVAL = env->set_lg_dir (env, dir);
1722 OUTPUT:
1723 RETVAL
1724
1725int set_shm_key (DB_ENV *env, long shm_key)
1726 CODE:
1727 RETVAL = env->set_shm_key (env, shm_key);
1728 OUTPUT:
1729 RETVAL
1730
1731int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1732 CODE:
1733 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1734 OUTPUT:
1735 RETVAL
1736
1737int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1738 CODE:
1739 RETVAL = env->set_flags (env, flags, onoff);
1740 OUTPUT:
1741 RETVAL
1742
1743void set_errfile (DB_ENV *env, FILE *errfile = 0)
1744 CODE:
1745 env->set_errfile (env, errfile);
1746
1747void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1748 CODE:
1749 env->set_msgfile (env, msgfile);
1750
1751int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1752 CODE:
1753 RETVAL = env->set_verbose (env, which, onoff);
1754 OUTPUT:
1755 RETVAL
1756
1757int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1758 CODE:
1759 RETVAL = env->set_encrypt (env, password, flags);
1760 OUTPUT:
1761 RETVAL
1762
1763int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1764 CODE:
1765 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1766 OUTPUT:
1767 RETVAL
1768
1769int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1770 CODE:
1771 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1772 OUTPUT:
1773 RETVAL
1774
1775int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1776 CODE:
1777 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1778 OUTPUT:
1779 RETVAL
1780
1781int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1782 CODE:
1783 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1784 OUTPUT:
1785 RETVAL
1786
1787int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1788 CODE:
1789 RETVAL = env->set_lk_detect (env, detect);
1790 OUTPUT:
1791 RETVAL
1792
1793int set_lk_max_lockers (DB_ENV *env, U32 max)
1794 CODE:
1795 RETVAL = env->set_lk_max_lockers (env, max);
1796 OUTPUT:
1797 RETVAL
1798
1799int set_lk_max_locks (DB_ENV *env, U32 max)
1800 CODE:
1801 RETVAL = env->set_lk_max_locks (env, max);
1802 OUTPUT:
1803 RETVAL
1804
1805int set_lk_max_objects (DB_ENV *env, U32 max)
1806 CODE:
1807 RETVAL = env->set_lk_max_objects (env, max);
1808 OUTPUT:
1809 RETVAL
1810
1811int set_lg_bsize (DB_ENV *env, U32 max)
1812 CODE:
1813 RETVAL = env->set_lg_bsize (env, max);
1814 OUTPUT:
1815 RETVAL
1816
1817int set_lg_max (DB_ENV *env, U32 max)
1818 CODE:
1819 RETVAL = env->set_lg_max (env, max);
1820 OUTPUT:
1821 RETVAL
1822
1823int mutex_set_max (DB_ENV *env, U32 max)
1824 CODE:
1825 RETVAL = env->mutex_set_max (env, max);
1826 OUTPUT:
1827 RETVAL
1828
1829int mutex_set_increment (DB_ENV *env, U32 increment)
1830 CODE:
1831 RETVAL = env->mutex_set_increment (env, increment);
1832 OUTPUT:
1833 RETVAL
1834
1835int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1836 CODE:
1837 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1838 OUTPUT:
1839 RETVAL
1840
1841int mutex_set_align (DB_ENV *env, U32 align)
1842 CODE:
1843 RETVAL = env->mutex_set_align (env, align);
1844 OUTPUT:
1845 RETVAL
1846
1847DB_TXN *
1848txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1849 CODE:
1850 errno = env->txn_begin (env, parent, &RETVAL, flags);
1851 if (errno)
1852 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1853 OUTPUT:
1854 RETVAL
1855
1856MODULE = BDB PACKAGE = BDB::Db
1857
1858void
1859DESTROY (DB_ornull *db)
1860 CODE:
1861 if (db)
1862 {
1863 SV *env = (SV *)db->app_private;
1864 db->close (db, 0);
1865 SvREFCNT_dec (env);
1866 }
1867
1868int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1869 CODE:
1870 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1871 OUTPUT:
1872 RETVAL
1873
1874int set_flags (DB *db, U32 flags)
1875 CODE:
1876 RETVAL = db->set_flags (db, flags);
1877 OUTPUT:
1878 RETVAL
1879
1880int set_encrypt (DB *db, const char *password, U32 flags)
1881 CODE:
1882 RETVAL = db->set_encrypt (db, password, flags);
1883 OUTPUT:
1884 RETVAL
1885
1886int set_lorder (DB *db, int lorder)
1887 CODE:
1888 RETVAL = db->set_lorder (db, lorder);
1889 OUTPUT:
1890 RETVAL
1891
1892int set_bt_minkey (DB *db, U32 minkey)
1893 CODE:
1894 RETVAL = db->set_bt_minkey (db, minkey);
1895 OUTPUT:
1896 RETVAL
1897
1898int set_re_delim (DB *db, int delim)
1899 CODE:
1900 RETVAL = db->set_re_delim (db, delim);
1901 OUTPUT:
1902 RETVAL
1903
1904int set_re_pad (DB *db, int re_pad)
1905 CODE:
1906 RETVAL = db->set_re_pad (db, re_pad);
1907 OUTPUT:
1908 RETVAL
1909
1910int set_re_source (DB *db, char *source)
1911 CODE:
1912 RETVAL = db->set_re_source (db, source);
1913 OUTPUT:
1914 RETVAL
1915
1916int set_re_len (DB *db, U32 re_len)
1917 CODE:
1918 RETVAL = db->set_re_len (db, re_len);
1919 OUTPUT:
1920 RETVAL
1921
1922int set_h_ffactor (DB *db, U32 h_ffactor)
1923 CODE:
1924 RETVAL = db->set_h_ffactor (db, h_ffactor);
1925 OUTPUT:
1926 RETVAL
1927
1928int set_h_nelem (DB *db, U32 h_nelem)
1929 CODE:
1930 RETVAL = db->set_h_nelem (db, h_nelem);
1931 OUTPUT:
1932 RETVAL
1933
1934int set_q_extentsize (DB *db, U32 extentsize)
1935 CODE:
1936 RETVAL = db->set_q_extentsize (db, extentsize);
1937 OUTPUT:
1938 RETVAL
1939
1940DBC *
1941cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
1942 CODE:
1943 errno = db->cursor (db, txn, &RETVAL, flags);
1944 if (errno)
1945 croak ("DB->cursor: %s", db_strerror (errno));
1946 OUTPUT:
1947 RETVAL
1948
1949DB_SEQUENCE *
1950sequence (DB *db, U32 flags = 0)
1951 CODE:
1952{
1953 errno = db_sequence_create (&RETVAL, db, flags);
1954 if (errno)
1955 croak ("db_sequence_create: %s", db_strerror (errno));
1956}
1957 OUTPUT:
1958 RETVAL
1959
1960
1961MODULE = BDB PACKAGE = BDB::Txn
1962
1963void
1964DESTROY (DB_TXN_ornull *txn)
1965 CODE:
1966 if (txn)
1967 txn->abort (txn);
1968
1969int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1970 CODE:
1971 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1972 OUTPUT:
1973 RETVAL
1974
1975int failed (DB_TXN *txn)
1976 CODE:
1977 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1978 OUTPUT:
1979 RETVAL
1980
1981
1982MODULE = BDB PACKAGE = BDB::Cursor
1983
1984void
1985DESTROY (DBC_ornull *dbc)
1986 CODE:
1987 if (dbc)
1988 dbc->c_close (dbc);
1989
1990MODULE = BDB PACKAGE = BDB::Sequence
1991
1992void
1993DESTROY (DB_SEQUENCE_ornull *seq)
1994 CODE:
1995 if (seq)
1996 seq->close (seq, 0);
1997
1998int initial_value (DB_SEQUENCE *seq, db_seq_t value)
1999 CODE:
2000 RETVAL = seq->initial_value (seq, value);
2001 OUTPUT:
2002 RETVAL
2003
2004int set_cachesize (DB_SEQUENCE *seq, U32 size)
2005 CODE:
2006 RETVAL = seq->set_cachesize (seq, size);
2007 OUTPUT:
2008 RETVAL
2009
2010int set_flags (DB_SEQUENCE *seq, U32 flags)
2011 CODE:
2012 RETVAL = seq->set_flags (seq, flags);
2013 OUTPUT:
2014 RETVAL
2015
2016int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2017 CODE:
2018 RETVAL = seq->set_range (seq, min, max);
2019 OUTPUT:
2020 RETVAL
2021

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