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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 1.23 by root, Fri Dec 7 13:38:54 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 (OLD_VERSION)
1099 const_iv (PAGE_NOTFOUND)
1100 const_iv (REP_DUPMASTER)
1101 const_iv (REP_HANDLE_DEAD)
1102 const_iv (REP_HOLDELECTION)
1103 const_iv (REP_IGNORE)
1104 const_iv (REP_ISPERM)
1105 const_iv (REP_JOIN_FAILURE)
1106 const_iv (REP_LOCKOUT)
1107 const_iv (REP_NEWMASTER)
1108 const_iv (REP_NEWSITE)
1109 const_iv (REP_NOTPERM)
1110 const_iv (REP_UNAVAIL)
1111 const_iv (RUNRECOVERY)
1112 const_iv (SECONDARY_BAD)
1113 const_iv (VERIFY_BAD)
1114 const_iv (VERSION_MISMATCH)
1115
1116 const_iv (VERB_DEADLOCK)
1117 const_iv (VERB_RECOVERY)
1118 const_iv (VERB_REGISTER)
1119 const_iv (VERB_REPLICATION)
1120 const_iv (VERB_WAITSFOR)
1121
1122 const_iv (VERSION_MAJOR)
1123 const_iv (VERSION_MINOR)
1124 const_iv (VERSION_PATCH)
1125#if DB_VERSION_MINOR >= 5
1126 const_iv (MULTIVERSION)
1127 const_iv (TXN_SNAPSHOT)
1128#endif
1129#if DB_VERSION_MINOR >= 6
1130 const_iv (PREV_DUP)
1131# if 0
1132 const_iv (PRIORITY_UNCHANGED)
1133 const_iv (PRIORITY_VERY_LOW)
1134 const_iv (PRIORITY_LOW)
1135 const_iv (PRIORITY_DEFAULT)
1136 const_iv (PRIORITY_HIGH)
1137 const_iv (PRIORITY_VERY_HIGH)
1138# endif
1139#endif
1140 };
1141
1142 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1143 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1144
1145 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1146 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1147
1148 create_respipe ();
1149
651 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1150 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1151#ifdef _WIN32
1152 X_MUTEX_CHECK (wrklock);
1153 X_MUTEX_CHECK (reslock);
1154 X_MUTEX_CHECK (reqlock);
1155
1156 X_COND_CHECK (reqwait);
1157#endif
652} 1158}
653 1159
654void 1160void
655max_poll_reqs (int nreqs) 1161max_poll_reqs (int nreqs)
656 PROTOTYPE: $ 1162 PROTOTYPE: $
685 max_outstanding = maxreqs; 1191 max_outstanding = maxreqs;
686 OUTPUT: 1192 OUTPUT:
687 RETVAL 1193 RETVAL
688 1194
689int 1195int
690bdbreq_pri (int pri = 0) 1196dbreq_pri (int pri = 0)
691 PROTOTYPE: ;$ 1197 PROTOTYPE: ;$
692 CODE: 1198 CODE:
693 RETVAL = next_pri - PRI_BIAS; 1199 RETVAL = next_pri - PRI_BIAS;
694 if (items > 0) 1200 if (items > 0)
695 { 1201 {
699 } 1205 }
700 OUTPUT: 1206 OUTPUT:
701 RETVAL 1207 RETVAL
702 1208
703void 1209void
704bdbreq_nice (int nice = 0) 1210dbreq_nice (int nice = 0)
705 CODE: 1211 CODE:
706 nice = next_pri - nice; 1212 nice = next_pri - nice;
707 if (nice < PRI_MIN) nice = PRI_MIN; 1213 if (nice < PRI_MIN) nice = PRI_MIN;
708 if (nice > PRI_MAX) nice = PRI_MAX; 1214 if (nice > PRI_MAX) nice = PRI_MAX;
709 next_pri = nice + PRI_BIAS; 1215 next_pri = nice + PRI_BIAS;
717 poll_wait (); 1223 poll_wait ();
718 poll_cb (); 1224 poll_cb ();
719 } 1225 }
720 1226
721int 1227int
722poll() 1228poll ()
723 PROTOTYPE: 1229 PROTOTYPE:
724 CODE: 1230 CODE:
725 poll_wait (); 1231 poll_wait ();
726 RETVAL = poll_cb (); 1232 RETVAL = poll_cb ();
727 OUTPUT: 1233 OUTPUT:
728 RETVAL 1234 RETVAL
729 1235
730int 1236int
731poll_fileno() 1237poll_fileno ()
732 PROTOTYPE: 1238 PROTOTYPE:
733 CODE: 1239 CODE:
734 RETVAL = respipe [0]; 1240 RETVAL = respipe [0];
735 OUTPUT: 1241 OUTPUT:
736 RETVAL 1242 RETVAL
737 1243
738int 1244int
739poll_cb(...) 1245poll_cb (...)
740 PROTOTYPE: 1246 PROTOTYPE:
741 CODE: 1247 CODE:
742 RETVAL = poll_cb (); 1248 RETVAL = poll_cb ();
743 OUTPUT: 1249 OUTPUT:
744 RETVAL 1250 RETVAL
745 1251
746void 1252void
747poll_wait() 1253poll_wait ()
748 PROTOTYPE: 1254 PROTOTYPE:
749 CODE: 1255 CODE:
750 poll_wait (); 1256 poll_wait ();
751 1257
752int 1258int
753nreqs() 1259nreqs ()
754 PROTOTYPE: 1260 PROTOTYPE:
755 CODE: 1261 CODE:
756 RETVAL = nreqs; 1262 RETVAL = nreqs;
757 OUTPUT: 1263 OUTPUT:
758 RETVAL 1264 RETVAL
759 1265
760int 1266int
761nready() 1267nready ()
762 PROTOTYPE: 1268 PROTOTYPE:
763 CODE: 1269 CODE:
764 RETVAL = get_nready (); 1270 RETVAL = get_nready ();
765 OUTPUT: 1271 OUTPUT:
766 RETVAL 1272 RETVAL
767 1273
768int 1274int
769npending() 1275npending ()
770 PROTOTYPE: 1276 PROTOTYPE:
771 CODE: 1277 CODE:
772 RETVAL = get_npending (); 1278 RETVAL = get_npending ();
773 OUTPUT: 1279 OUTPUT:
774 RETVAL 1280 RETVAL
775 1281
776int 1282int
777nthreads() 1283nthreads ()
778 PROTOTYPE: 1284 PROTOTYPE:
779 CODE: 1285 CODE:
780 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1286 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
781 RETVAL = started; 1287 RETVAL = started;
782 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1288 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
783 OUTPUT: 1289 OUTPUT:
784 RETVAL 1290 RETVAL
785 1291
1292void
1293set_sync_prepare (SV *cb)
1294 PROTOTYPE: &
1295 CODE:
1296 SvREFCNT_dec (prepare_cb);
1297 prepare_cb = newSVsv (cb);
786 1298
1299char *
1300strerror (int errorno = errno)
1301 PROTOTYPE: ;$
1302 CODE:
1303 RETVAL = db_strerror (errorno);
1304 OUTPUT:
1305 RETVAL
1306
1307DB_ENV *
1308db_env_create (U32 env_flags = 0)
1309 CODE:
1310{
1311 errno = db_env_create (&RETVAL, env_flags);
1312 if (errno)
1313 croak ("db_env_create: %s", db_strerror (errno));
1314
1315 if (0)
1316 {
1317 RETVAL->set_errcall (RETVAL, debug_errcall);
1318 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1319 }
1320}
1321 OUTPUT:
1322 RETVAL
1323
1324void
1325db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1326 CODE:
1327{
1328 dREQ (REQ_ENV_OPEN);
1329
1330 env->set_thread_count (env, wanted + 2);
1331
1332 req->env = env;
1333 req->uint1 = open_flags | DB_THREAD;
1334 req->int1 = mode;
1335 req->buf1 = strdup_ornull (db_home);
1336 REQ_SEND;
1337}
1338
1339void
1340db_env_close (DB_ENV *env, U32 flags = 0, SV *callback = &PL_sv_undef)
1341 CODE:
1342{
1343 dREQ (REQ_ENV_CLOSE);
1344 req->env = env;
1345 req->uint1 = flags;
1346 REQ_SEND;
1347 ptr_nuke (ST (0));
1348}
1349
1350void
1351db_env_txn_checkpoint (DB_ENV *env, U32 kbyte = 0, U32 min = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1352 CODE:
1353{
1354 dREQ (REQ_ENV_TXN_CHECKPOINT);
1355 req->env = env;
1356 req->uint1 = kbyte;
1357 req->int1 = min;
1358 req->uint2 = flags;
1359 REQ_SEND;
1360}
1361
1362void
1363db_env_lock_detect (DB_ENV *env, U32 flags = 0, U32 atype = DB_LOCK_DEFAULT, SV *dummy = 0, SV *callback = &PL_sv_undef)
1364 CODE:
1365{
1366 dREQ (REQ_ENV_LOCK_DETECT);
1367 req->env = env;
1368 req->uint1 = flags;
1369 req->uint2 = atype;
1370 REQ_SEND;
1371}
1372
1373void
1374db_env_memp_sync (DB_ENV *env, SV *dummy = 0, SV *callback = &PL_sv_undef)
1375 CODE:
1376{
1377 dREQ (REQ_ENV_MEMP_SYNC);
1378 req->env = env;
1379 REQ_SEND;
1380}
1381
1382void
1383db_env_memp_trickle (DB_ENV *env, int percent, SV *dummy = 0, SV *callback = &PL_sv_undef)
1384 CODE:
1385{
1386 dREQ (REQ_ENV_MEMP_TRICKLE);
1387 req->env = env;
1388 req->int1 = percent;
1389 REQ_SEND;
1390}
1391
1392
1393DB *
1394db_create (DB_ENV *env = 0, U32 flags = 0)
1395 CODE:
1396{
1397 errno = db_create (&RETVAL, env, flags);
1398 if (errno)
1399 croak ("db_create: %s", db_strerror (errno));
1400
1401 if (RETVAL)
1402 RETVAL->app_private = (void *)newSVsv (ST (0));
1403}
1404 OUTPUT:
1405 RETVAL
1406
1407void
1408db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1409 CODE:
1410{
1411 dREQ (REQ_DB_OPEN);
1412 req->db = db;
1413 req->txn = txnid;
1414 req->buf1 = strdup_ornull (file);
1415 req->buf2 = strdup_ornull (database);
1416 req->int1 = type;
1417 req->uint1 = flags | DB_THREAD;
1418 req->int2 = mode;
1419 REQ_SEND;
1420}
1421
1422void
1423db_close (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1424 CODE:
1425{
1426 dREQ (REQ_DB_CLOSE);
1427 req->db = db;
1428 req->uint1 = flags;
1429 req->sv1 = (SV *)db->app_private;
1430 REQ_SEND;
1431 ptr_nuke (ST (0));
1432}
1433
1434void
1435db_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)
1436 CODE:
1437{
1438 dREQ (REQ_DB_COMPACT);
1439 req->db = db;
1440 req->txn = txn;
1441 sv_to_dbt (&req->dbt1, start);
1442 sv_to_dbt (&req->dbt2, stop);
1443 req->uint1 = flags;
1444 REQ_SEND;
1445}
1446
1447void
1448db_sync (DB *db, U32 flags = 0, SV *callback = &PL_sv_undef)
1449 CODE:
1450{
1451 dREQ (REQ_DB_SYNC);
1452 req->db = db;
1453 req->uint1 = flags;
1454 REQ_SEND;
1455}
1456
1457void
1458db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1459 CODE:
1460{
1461 dREQ (REQ_DB_KEY_RANGE);
1462 req->db = db;
1463 req->txn = txn;
1464 sv_to_dbt (&req->dbt1, key);
1465 req->uint1 = flags;
1466 req->sv1 = SvREFCNT_inc (key_range); SvREADONLY_on (key_range);
1467 REQ_SEND;
1468}
1469
1470void
1471db_put (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1472 CODE:
1473{
1474 dREQ (REQ_DB_PUT);
1475 req->db = db;
1476 req->txn = txn;
1477 sv_to_dbt (&req->dbt1, key);
1478 sv_to_dbt (&req->dbt2, data);
1479 req->uint1 = flags;
1480 REQ_SEND;
1481}
1482
1483void
1484db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1485 CODE:
1486{
1487 dREQ (REQ_DB_GET);
1488 req->db = db;
1489 req->txn = txn;
1490 req->uint1 = flags;
1491 sv_to_dbt (&req->dbt1, key);
1492 req->dbt3.flags = DB_DBT_MALLOC;
1493 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1494 REQ_SEND;
1495}
1496
1497void
1498db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1499 CODE:
1500{
1501 dREQ (REQ_DB_PGET);
1502 req->db = db;
1503 req->txn = txn;
1504 req->uint1 = flags;
1505 sv_to_dbt (&req->dbt1, key);
1506 sv_to_dbt (&req->dbt2, pkey);
1507 req->dbt3.flags = DB_DBT_MALLOC;
1508 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1509 REQ_SEND;
1510}
1511
1512void
1513db_del (DB *db, DB_TXN_ornull *txn, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1514 CODE:
1515{
1516 dREQ (REQ_DB_DEL);
1517 req->db = db;
1518 req->txn = txn;
1519 req->uint1 = flags;
1520 sv_to_dbt (&req->dbt1, key);
1521 REQ_SEND;
1522}
1523
1524void
1525db_txn_commit (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1526 CODE:
1527{
1528 dREQ (REQ_TXN_COMMIT);
1529 req->txn = txn;
1530 req->uint1 = flags;
1531 REQ_SEND;
1532 ptr_nuke (ST (0));
1533}
1534
1535void
1536db_txn_abort (DB_TXN *txn, SV *callback = &PL_sv_undef)
1537 CODE:
1538{
1539 dREQ (REQ_TXN_ABORT);
1540 req->txn = txn;
1541 REQ_SEND;
1542 ptr_nuke (ST (0));
1543}
1544
1545void
1546db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1547 CODE:
1548{
1549 dREQ (REQ_TXN_FINISH);
1550 req->txn = txn;
1551 req->uint1 = flags;
1552 REQ_SEND;
1553 ptr_nuke (ST (0));
1554}
1555
1556void
1557db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1558 CODE:
1559{
1560 dREQ (REQ_C_CLOSE);
1561 req->dbc = dbc;
1562 REQ_SEND;
1563 ptr_nuke (ST (0));
1564}
1565
1566void
1567db_c_count (DBC *dbc, SV *count, U32 flags = 0, SV *callback = &PL_sv_undef)
1568 CODE:
1569{
1570 dREQ (REQ_C_COUNT);
1571 req->dbc = dbc;
1572 req->sv1 = SvREFCNT_inc (count);
1573 REQ_SEND;
1574}
1575
1576void
1577db_c_put (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1578 CODE:
1579{
1580 dREQ (REQ_C_PUT);
1581 req->dbc = dbc;
1582 sv_to_dbt (&req->dbt1, key);
1583 sv_to_dbt (&req->dbt2, data);
1584 req->uint1 = flags;
1585 REQ_SEND;
1586}
1587
1588void
1589db_c_get (DBC *dbc, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1590 CODE:
1591{
1592 dREQ (REQ_C_GET);
1593 req->dbc = dbc;
1594 req->uint1 = flags;
1595 if ((flags & DB_SET) == DB_SET
1596 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1597 sv_to_dbt (&req->dbt1, key);
1598 else
1599 req->dbt1.flags = DB_DBT_MALLOC;
1600
1601 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1602
1603 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1604 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1605 sv_to_dbt (&req->dbt3, data);
1606 else
1607 req->dbt3.flags = DB_DBT_MALLOC;
1608
1609 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1610 REQ_SEND;
1611}
1612
1613void
1614db_c_pget (DBC *dbc, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1615 CODE:
1616{
1617 dREQ (REQ_C_PGET);
1618 req->dbc = dbc;
1619 req->uint1 = flags;
1620 if ((flags & DB_SET) == DB_SET
1621 || (flags & DB_SET_RANGE) == DB_SET_RANGE)
1622 sv_to_dbt (&req->dbt1, key);
1623 else
1624 req->dbt1.flags = DB_DBT_MALLOC;
1625
1626 req->sv1 = SvREFCNT_inc (key); SvREADONLY_on (key);
1627
1628 req->dbt2.flags = DB_DBT_MALLOC;
1629 req->sv2 = SvREFCNT_inc (pkey); SvREADONLY_on (pkey);
1630
1631 if ((flags & DB_GET_BOTH) == DB_GET_BOTH
1632 || (flags & DB_GET_BOTH_RANGE) == DB_GET_BOTH_RANGE)
1633 sv_to_dbt (&req->dbt3, data);
1634 else
1635 req->dbt3.flags = DB_DBT_MALLOC;
1636
1637 req->sv3 = SvREFCNT_inc (data); SvREADONLY_on (data);
1638 REQ_SEND;
1639}
1640
1641void
1642db_c_del (DBC *dbc, U32 flags = 0, SV *callback = &PL_sv_undef)
1643 CODE:
1644{
1645 dREQ (REQ_C_DEL);
1646 req->dbc = dbc;
1647 req->uint1 = flags;
1648 REQ_SEND;
1649}
1650
1651
1652void
1653db_sequence_open (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, SV *key, U32 flags = 0, SV *callback = &PL_sv_undef)
1654 CODE:
1655{
1656 dREQ (REQ_SEQ_OPEN);
1657 req->seq = seq;
1658 req->txn = txnid;
1659 req->uint1 = flags | DB_THREAD;
1660 sv_to_dbt (&req->dbt1, key);
1661 REQ_SEND;
1662}
1663
1664void
1665db_sequence_close (DB_SEQUENCE *seq, U32 flags = 0, SV *callback = &PL_sv_undef)
1666 CODE:
1667{
1668 dREQ (REQ_SEQ_CLOSE);
1669 req->seq = seq;
1670 req->uint1 = flags;
1671 REQ_SEND;
1672 ptr_nuke (ST (0));
1673}
1674
1675void
1676db_sequence_get (DB_SEQUENCE *seq, DB_TXN_ornull *txnid, int delta, SV *seq_value, U32 flags = DB_TXN_NOSYNC, SV *callback = &PL_sv_undef)
1677 CODE:
1678{
1679 dREQ (REQ_SEQ_GET);
1680 req->seq = seq;
1681 req->txn = txnid;
1682 req->int1 = delta;
1683 req->uint1 = flags;
1684 req->sv1 = SvREFCNT_inc (seq_value); SvREADONLY_on (seq_value);
1685 REQ_SEND;
1686}
1687
1688void
1689db_sequence_remove (DB_SEQUENCE *seq, DB_TXN_ornull *txnid = 0, U32 flags = 0, SV *callback = &PL_sv_undef)
1690 CODE:
1691{
1692 dREQ (REQ_SEQ_REMOVE);
1693 req->seq = seq;
1694 req->txn = txnid;
1695 req->uint1 = flags;
1696 REQ_SEND;
1697}
1698
1699
1700MODULE = BDB PACKAGE = BDB::Env
1701
1702void
1703DESTROY (DB_ENV_ornull *env)
1704 CODE:
1705 if (env)
1706 env->close (env, 0);
1707
1708int set_data_dir (DB_ENV *env, const char *dir)
1709 CODE:
1710 RETVAL = env->set_data_dir (env, dir);
1711 OUTPUT:
1712 RETVAL
1713
1714int set_tmp_dir (DB_ENV *env, const char *dir)
1715 CODE:
1716 RETVAL = env->set_tmp_dir (env, dir);
1717 OUTPUT:
1718 RETVAL
1719
1720int set_lg_dir (DB_ENV *env, const char *dir)
1721 CODE:
1722 RETVAL = env->set_lg_dir (env, dir);
1723 OUTPUT:
1724 RETVAL
1725
1726int set_shm_key (DB_ENV *env, long shm_key)
1727 CODE:
1728 RETVAL = env->set_shm_key (env, shm_key);
1729 OUTPUT:
1730 RETVAL
1731
1732int set_cachesize (DB_ENV *env, U32 gbytes, U32 bytes, int ncache = 0)
1733 CODE:
1734 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1735 OUTPUT:
1736 RETVAL
1737
1738int set_flags (DB_ENV *env, U32 flags, int onoff)
1739 CODE:
1740 RETVAL = env->set_flags (env, flags, onoff);
1741 OUTPUT:
1742 RETVAL
1743
1744void set_errfile (DB_ENV *env, FILE *errfile = 0)
1745 CODE:
1746 env->set_errfile (env, errfile);
1747
1748void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1749 CODE:
1750 env->set_msgfile (env, msgfile);
1751
1752int set_verbose (DB_ENV *env, U32 which, int onoff = 1)
1753 CODE:
1754 RETVAL = env->set_verbose (env, which, onoff);
1755 OUTPUT:
1756 RETVAL
1757
1758int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1759 CODE:
1760 RETVAL = env->set_encrypt (env, password, flags);
1761 OUTPUT:
1762 RETVAL
1763
1764int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1765 CODE:
1766 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1767 OUTPUT:
1768 RETVAL
1769
1770int set_mp_max_openfd (DB_ENV *env, int maxopenfd);
1771 CODE:
1772 RETVAL = env->set_mp_max_openfd (env, maxopenfd);
1773 OUTPUT:
1774 RETVAL
1775
1776int set_mp_max_write (DB_ENV *env, int maxwrite, int maxwrite_sleep);
1777 CODE:
1778 RETVAL = env->set_mp_max_write (env, maxwrite, maxwrite_sleep);
1779 OUTPUT:
1780 RETVAL
1781
1782int set_mp_mmapsize (DB_ENV *env, int mmapsize_mb)
1783 CODE:
1784 RETVAL = env->set_mp_mmapsize (env, ((size_t)mmapsize_mb) << 20);
1785 OUTPUT:
1786 RETVAL
1787
1788int set_lk_detect (DB_ENV *env, U32 detect = DB_LOCK_DEFAULT)
1789 CODE:
1790 RETVAL = env->set_lk_detect (env, detect);
1791 OUTPUT:
1792 RETVAL
1793
1794int set_lk_max_lockers (DB_ENV *env, U32 max)
1795 CODE:
1796 RETVAL = env->set_lk_max_lockers (env, max);
1797 OUTPUT:
1798 RETVAL
1799
1800int set_lk_max_locks (DB_ENV *env, U32 max)
1801 CODE:
1802 RETVAL = env->set_lk_max_locks (env, max);
1803 OUTPUT:
1804 RETVAL
1805
1806int set_lk_max_objects (DB_ENV *env, U32 max)
1807 CODE:
1808 RETVAL = env->set_lk_max_objects (env, max);
1809 OUTPUT:
1810 RETVAL
1811
1812int set_lg_bsize (DB_ENV *env, U32 max)
1813 CODE:
1814 RETVAL = env->set_lg_bsize (env, max);
1815 OUTPUT:
1816 RETVAL
1817
1818int set_lg_max (DB_ENV *env, U32 max)
1819 CODE:
1820 RETVAL = env->set_lg_max (env, max);
1821 OUTPUT:
1822 RETVAL
1823
1824int mutex_set_max (DB_ENV *env, U32 max)
1825 CODE:
1826 RETVAL = env->mutex_set_max (env, max);
1827 OUTPUT:
1828 RETVAL
1829
1830int mutex_set_increment (DB_ENV *env, U32 increment)
1831 CODE:
1832 RETVAL = env->mutex_set_increment (env, increment);
1833 OUTPUT:
1834 RETVAL
1835
1836int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1837 CODE:
1838 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1839 OUTPUT:
1840 RETVAL
1841
1842int mutex_set_align (DB_ENV *env, U32 align)
1843 CODE:
1844 RETVAL = env->mutex_set_align (env, align);
1845 OUTPUT:
1846 RETVAL
1847
1848DB_TXN *
1849txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1850 CODE:
1851 errno = env->txn_begin (env, parent, &RETVAL, flags);
1852 if (errno)
1853 croak ("DB_ENV->txn_begin: %s", db_strerror (errno));
1854 OUTPUT:
1855 RETVAL
1856
1857MODULE = BDB PACKAGE = BDB::Db
1858
1859void
1860DESTROY (DB_ornull *db)
1861 CODE:
1862 if (db)
1863 {
1864 SV *env = (SV *)db->app_private;
1865 db->close (db, 0);
1866 SvREFCNT_dec (env);
1867 }
1868
1869int set_cachesize (DB *db, U32 gbytes, U32 bytes, int ncache = 0)
1870 CODE:
1871 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1872 OUTPUT:
1873 RETVAL
1874
1875int set_flags (DB *db, U32 flags)
1876 CODE:
1877 RETVAL = db->set_flags (db, flags);
1878 OUTPUT:
1879 RETVAL
1880
1881int set_encrypt (DB *db, const char *password, U32 flags)
1882 CODE:
1883 RETVAL = db->set_encrypt (db, password, flags);
1884 OUTPUT:
1885 RETVAL
1886
1887int set_lorder (DB *db, int lorder)
1888 CODE:
1889 RETVAL = db->set_lorder (db, lorder);
1890 OUTPUT:
1891 RETVAL
1892
1893int set_bt_minkey (DB *db, U32 minkey)
1894 CODE:
1895 RETVAL = db->set_bt_minkey (db, minkey);
1896 OUTPUT:
1897 RETVAL
1898
1899int set_re_delim (DB *db, int delim)
1900 CODE:
1901 RETVAL = db->set_re_delim (db, delim);
1902 OUTPUT:
1903 RETVAL
1904
1905int set_re_pad (DB *db, int re_pad)
1906 CODE:
1907 RETVAL = db->set_re_pad (db, re_pad);
1908 OUTPUT:
1909 RETVAL
1910
1911int set_re_source (DB *db, char *source)
1912 CODE:
1913 RETVAL = db->set_re_source (db, source);
1914 OUTPUT:
1915 RETVAL
1916
1917int set_re_len (DB *db, U32 re_len)
1918 CODE:
1919 RETVAL = db->set_re_len (db, re_len);
1920 OUTPUT:
1921 RETVAL
1922
1923int set_h_ffactor (DB *db, U32 h_ffactor)
1924 CODE:
1925 RETVAL = db->set_h_ffactor (db, h_ffactor);
1926 OUTPUT:
1927 RETVAL
1928
1929int set_h_nelem (DB *db, U32 h_nelem)
1930 CODE:
1931 RETVAL = db->set_h_nelem (db, h_nelem);
1932 OUTPUT:
1933 RETVAL
1934
1935int set_q_extentsize (DB *db, U32 extentsize)
1936 CODE:
1937 RETVAL = db->set_q_extentsize (db, extentsize);
1938 OUTPUT:
1939 RETVAL
1940
1941DBC *
1942cursor (DB *db, DB_TXN_ornull *txn = 0, U32 flags = 0)
1943 CODE:
1944 errno = db->cursor (db, txn, &RETVAL, flags);
1945 if (errno)
1946 croak ("DB->cursor: %s", db_strerror (errno));
1947 OUTPUT:
1948 RETVAL
1949
1950DB_SEQUENCE *
1951sequence (DB *db, U32 flags = 0)
1952 CODE:
1953{
1954 errno = db_sequence_create (&RETVAL, db, flags);
1955 if (errno)
1956 croak ("db_sequence_create: %s", db_strerror (errno));
1957}
1958 OUTPUT:
1959 RETVAL
1960
1961
1962MODULE = BDB PACKAGE = BDB::Txn
1963
1964void
1965DESTROY (DB_TXN_ornull *txn)
1966 CODE:
1967 if (txn)
1968 txn->abort (txn);
1969
1970int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1971 CODE:
1972 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1973 OUTPUT:
1974 RETVAL
1975
1976int failed (DB_TXN *txn)
1977 CODE:
1978 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1979 OUTPUT:
1980 RETVAL
1981
1982
1983MODULE = BDB PACKAGE = BDB::Cursor
1984
1985void
1986DESTROY (DBC_ornull *dbc)
1987 CODE:
1988 if (dbc)
1989 dbc->c_close (dbc);
1990
1991MODULE = BDB PACKAGE = BDB::Sequence
1992
1993void
1994DESTROY (DB_SEQUENCE_ornull *seq)
1995 CODE:
1996 if (seq)
1997 seq->close (seq, 0);
1998
1999int initial_value (DB_SEQUENCE *seq, db_seq_t value)
2000 CODE:
2001 RETVAL = seq->initial_value (seq, value);
2002 OUTPUT:
2003 RETVAL
2004
2005int set_cachesize (DB_SEQUENCE *seq, U32 size)
2006 CODE:
2007 RETVAL = seq->set_cachesize (seq, size);
2008 OUTPUT:
2009 RETVAL
2010
2011int set_flags (DB_SEQUENCE *seq, U32 flags)
2012 CODE:
2013 RETVAL = seq->set_flags (seq, flags);
2014 OUTPUT:
2015 RETVAL
2016
2017int set_range (DB_SEQUENCE *seq, db_seq_t min, db_seq_t max)
2018 CODE:
2019 RETVAL = seq->set_range (seq, min, max);
2020 OUTPUT:
2021 RETVAL
2022

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