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Comparing BDB/BDB.xs (file contents):
Revision 1.10 by root, Mon Mar 5 19:47:01 2007 UTC vs.
Revision 1.34 by root, Sun Mar 30 06:28:08 2008 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/types.h> 21#include <sys/types.h>
24#include <limits.h> 22#include <limits.h>
25#include <unistd.h>
26#include <fcntl.h> 23#include <fcntl.h>
27 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
28#include <db.h> 30#include <db.h>
29 31
30#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5) 32#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
31# error you need Berkeley DB 4.5 or newer installed 33# error you need Berkeley DB 4.4 or newer installed
32#endif 34#endif
33 35
34/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
35#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
36
37/* wether word reads are potentially non-atomic.
38 * this is conservatice, likely most arches this runs
39 * on have atomic word read/writes.
40 */
41#ifndef WORDACCESS_UNSAFE
42# if __i386 || __x86_64
43# define WORDACCESS_UNSAFE 0
44# else
45# define WORDACCESS_UNSAFE 1
46# endif
47#endif
48 38
49typedef DB_ENV DB_ENV_ornull; 39typedef DB_ENV DB_ENV_ornull;
50typedef DB_TXN DB_TXN_ornull; 40typedef DB_TXN DB_TXN_ornull;
51typedef DBC DBC_ornull; 41typedef DBC DBC_ornull;
52typedef DB DB_ornull; 42typedef DB DB_ornull;
53typedef DB_SEQUENCE DB_SEQUENCE_ornull; 43typedef DB_SEQUENCE DB_SEQUENCE_ornull;
54 44
45typedef DB_ENV DB_ENV_ornuked;
46typedef DB_TXN DB_TXN_ornuked;
47typedef DBC DBC_ornuked;
48typedef DB DB_ornuked;
49typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
50
55typedef SV SV8; /* byte-sv, used for argument-checking */ 51typedef SV SV8; /* byte-sv, used for argument-checking */
56typedef char *octetstring; 52typedef char *bdb_filename;
57 53
58static SV *prepare_cb; 54static SV *prepare_cb;
59 55
56#if DB_VERSION_MINOR >= 6
57# define c_close close
58# define c_count count
59# define c_del del
60# define c_dup dup
61# define c_get get
62# define c_pget pget
63# define c_put put
64#endif
65
60static inline char * 66static char *
67get_bdb_filename (SV *sv)
68{
69 return !SvOK (sv)
70 ? 0
71 :
72#if WIN32
73 SvPVutf8_nolen (sv)
74#else
75 SvPVbyte_nolen (sv)
76#endif
77 ;
78}
79
80static void
81debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
82{
83 printf ("err[%s]\n", msg);
84}
85
86static void
87debug_msgcall (const DB_ENV *dbenv, const char *msg)
88{
89 printf ("msg[%s]\n", msg);
90}
91
92static char *
61strdup_ornull (const char *s) 93strdup_ornull (const char *s)
62{ 94{
63 return s ? strdup (s) : 0; 95 return s ? strdup (s) : 0;
64} 96}
65 97
66static inline void 98static void
67sv_to_dbt (DBT *dbt, SV *sv) 99sv_to_dbt (DBT *dbt, SV *sv)
68{ 100{
69 STRLEN len; 101 STRLEN len;
70 char *data = SvPVbyte (sv, len); 102 char *data = SvPVbyte (sv, len);
71 103
… …
73 memcpy (dbt->data, data, len); 105 memcpy (dbt->data, data, len);
74 dbt->size = len; 106 dbt->size = len;
75 dbt->flags = DB_DBT_REALLOC; 107 dbt->flags = DB_DBT_REALLOC;
76} 108}
77 109
78static inline void 110static void
79dbt_to_sv (SV *sv, DBT *dbt) 111dbt_to_sv (SV *sv, DBT *dbt)
80{ 112{
81 if (sv) 113 if (sv)
82 { 114 {
83 SvREADONLY_off (sv); 115 SvREADONLY_off (sv);
… …
90 122
91enum { 123enum {
92 REQ_QUIT, 124 REQ_QUIT,
93 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 125 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
94 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 126 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
95 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, 127 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
96 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, 128 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97 REQ_TXN_COMMIT, REQ_TXN_ABORT, 129 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
98 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 130 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
99 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, 131 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100}; 132};
101 133
102typedef struct aio_cb 134typedef struct bdb_cb
103{ 135{
104 struct aio_cb *volatile next; 136 struct bdb_cb *volatile next;
105 SV *callback; 137 SV *callback;
106 int type, pri, result; 138 int type, pri, result;
107 139
108 DB_ENV *env; 140 DB_ENV *env;
109 DB *db; 141 DB *db;
… …
118 150
119 DBT dbt1, dbt2, dbt3; 151 DBT dbt1, dbt2, dbt3;
120 DB_KEY_RANGE key_range; 152 DB_KEY_RANGE key_range;
121 DB_SEQUENCE *seq; 153 DB_SEQUENCE *seq;
122 db_seq_t seq_t; 154 db_seq_t seq_t;
123} aio_cb; 155} bdb_cb;
124 156
125typedef aio_cb *aio_req; 157typedef bdb_cb *bdb_req;
126 158
127enum { 159enum {
128 PRI_MIN = -4, 160 PRI_MIN = -4,
129 PRI_MAX = 4, 161 PRI_MAX = 4,
130 162
… …
147 179
148static int next_pri = DEFAULT_PRI + PRI_BIAS; 180static int next_pri = DEFAULT_PRI + PRI_BIAS;
149 181
150static unsigned int started, idle, wanted; 182static unsigned int started, idle, wanted;
151 183
152#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
153# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
154#else
155# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
156#endif
157
158#define LOCK(mutex) pthread_mutex_lock (&(mutex))
159#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
160
161/* worker threads management */ 184/* worker threads management */
162static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 185static mutex_t wrklock = X_MUTEX_INIT;
163 186
164typedef struct worker { 187typedef struct worker {
165 /* locked by wrklock */ 188 /* locked by wrklock */
166 struct worker *prev, *next; 189 struct worker *prev, *next;
167 190
168 pthread_t tid; 191 thread_t tid;
169 192
170 /* locked by reslock, reqlock or wrklock */ 193 /* locked by reslock, reqlock or wrklock */
171 aio_req req; /* currently processed request */ 194 bdb_req req; /* currently processed request */
172 void *dbuf; 195 void *dbuf;
173 DIR *dirp; 196 DIR *dirp;
174} worker; 197} worker;
175 198
176static worker wrk_first = { &wrk_first, &wrk_first, 0 }; 199static worker wrk_first = { &wrk_first, &wrk_first, 0 };
… …
188} 211}
189 212
190static volatile unsigned int nreqs, nready, npending; 213static volatile unsigned int nreqs, nready, npending;
191static volatile unsigned int max_idle = 4; 214static volatile unsigned int max_idle = 4;
192static volatile unsigned int max_outstanding = 0xffffffff; 215static volatile unsigned int max_outstanding = 0xffffffff;
193static int respipe [2]; 216static int respipe_osf [2], respipe [2] = { -1, -1 };
194 217
195static pthread_mutex_t reslock = AIO_MUTEX_INIT; 218static mutex_t reslock = X_MUTEX_INIT;
196static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 219static mutex_t reqlock = X_MUTEX_INIT;
197static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 220static cond_t reqwait = X_COND_INIT;
198 221
199#if WORDACCESS_UNSAFE 222#if WORDACCESS_UNSAFE
200 223
201static unsigned int get_nready () 224static unsigned int get_nready (void)
202{ 225{
203 unsigned int retval; 226 unsigned int retval;
204 227
205 LOCK (reqlock); 228 X_LOCK (reqlock);
206 retval = nready; 229 retval = nready;
207 UNLOCK (reqlock); 230 X_UNLOCK (reqlock);
208 231
209 return retval; 232 return retval;
210} 233}
211 234
212static unsigned int get_npending () 235static unsigned int get_npending (void)
213{ 236{
214 unsigned int retval; 237 unsigned int retval;
215 238
216 LOCK (reslock); 239 X_LOCK (reslock);
217 retval = npending; 240 retval = npending;
218 UNLOCK (reslock); 241 X_UNLOCK (reslock);
219 242
220 return retval; 243 return retval;
221} 244}
222 245
223static unsigned int get_nthreads () 246static unsigned int get_nthreads (void)
224{ 247{
225 unsigned int retval; 248 unsigned int retval;
226 249
227 LOCK (wrklock); 250 X_LOCK (wrklock);
228 retval = started; 251 retval = started;
229 UNLOCK (wrklock); 252 X_UNLOCK (wrklock);
230 253
231 return retval; 254 return retval;
232} 255}
233 256
234#else 257#else
… …
243 * a somewhat faster data structure might be nice, but 266 * a somewhat faster data structure might be nice, but
244 * with 8 priorities this actually needs <20 insns 267 * with 8 priorities this actually needs <20 insns
245 * per shift, the most expensive operation. 268 * per shift, the most expensive operation.
246 */ 269 */
247typedef struct { 270typedef struct {
248 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ 271 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249 int size; 272 int size;
250} reqq; 273} reqq;
251 274
252static reqq req_queue; 275static reqq req_queue;
253static reqq res_queue; 276static reqq res_queue;
254 277
255int reqq_push (reqq *q, aio_req req) 278int reqq_push (reqq *q, bdb_req req)
256{ 279{
257 int pri = req->pri; 280 int pri = req->pri;
258 req->next = 0; 281 req->next = 0;
259 282
260 if (q->qe[pri]) 283 if (q->qe[pri])
… …
266 q->qe[pri] = q->qs[pri] = req; 289 q->qe[pri] = q->qs[pri] = req;
267 290
268 return q->size++; 291 return q->size++;
269} 292}
270 293
271aio_req reqq_shift (reqq *q) 294bdb_req reqq_shift (reqq *q)
272{ 295{
273 int pri; 296 int pri;
274 297
275 if (!q->size) 298 if (!q->size)
276 return 0; 299 return 0;
277 300
278 --q->size; 301 --q->size;
279 302
280 for (pri = NUM_PRI; pri--; ) 303 for (pri = NUM_PRI; pri--; )
281 { 304 {
282 aio_req req = q->qs[pri]; 305 bdb_req req = q->qs[pri];
283 306
284 if (req) 307 if (req)
285 { 308 {
286 if (!(q->qs[pri] = req->next)) 309 if (!(q->qs[pri] = req->next))
287 q->qe[pri] = 0; 310 q->qe[pri] = 0;
… …
291 } 314 }
292 315
293 abort (); 316 abort ();
294} 317}
295 318
296static int poll_cb (); 319static int poll_cb (void);
297static void req_free (aio_req req); 320static void req_free (bdb_req req);
298static void req_cancel (aio_req req); 321static void req_cancel (bdb_req req);
299 322
300static int req_invoke (aio_req req) 323static int req_invoke (bdb_req req)
301{ 324{
302 dSP; 325 dSP;
303 326
304 if (SvOK (req->callback)) 327 if (SvOK (req->callback))
305 { 328 {
… …
323 dbt_to_sv (req->sv1, &req->dbt1); 346 dbt_to_sv (req->sv1, &req->dbt1);
324 dbt_to_sv (req->sv2, &req->dbt2); 347 dbt_to_sv (req->sv2, &req->dbt2);
325 dbt_to_sv (req->sv3, &req->dbt3); 348 dbt_to_sv (req->sv3, &req->dbt3);
326 break; 349 break;
327 350
351 case REQ_DB_PUT:
352 case REQ_C_PUT:
353 dbt_to_sv (0, &req->dbt1);
354 dbt_to_sv (0, &req->dbt2);
355 break;
356
328 case REQ_DB_KEY_RANGE: 357 case REQ_DB_KEY_RANGE:
329 { 358 {
330 AV *av = newAV (); 359 AV *av = newAV ();
331 360
332 av_push (av, newSVnv (req->key_range.less)); 361 av_push (av, newSVnv (req->key_range.less));
… …
341 370
342 case REQ_SEQ_GET: 371 case REQ_SEQ_GET:
343 SvREADONLY_off (req->sv1); 372 SvREADONLY_off (req->sv1);
344 373
345 if (sizeof (IV) > 4) 374 if (sizeof (IV) > 4)
346 sv_setiv_mg (req->sv1, req->seq_t); 375 sv_setiv_mg (req->sv1, (IV)req->seq_t);
347 else 376 else
348 sv_setnv_mg (req->sv1, req->seq_t); 377 sv_setnv_mg (req->sv1, (NV)req->seq_t);
349 378
350 SvREFCNT_dec (req->sv1); 379 SvREFCNT_dec (req->sv1);
351 break; 380 break;
352 } 381 }
353 382
… …
362 } 391 }
363 392
364 return !SvTRUE (ERRSV); 393 return !SvTRUE (ERRSV);
365} 394}
366 395
367static void req_free (aio_req req) 396static void req_free (bdb_req req)
368{ 397{
369 free (req->buf1); 398 free (req->buf1);
370 free (req->buf2); 399 free (req->buf2);
371 Safefree (req); 400 Safefree (req);
372} 401}
373 402
374static void *aio_proc (void *arg); 403#ifdef USE_SOCKETS_AS_HANDLES
404# define TO_SOCKET(x) (win32_get_osfhandle (x))
405#else
406# define TO_SOCKET(x) (x)
407#endif
408
409static void
410create_respipe (void)
411{
412#ifdef _WIN32
413 int arg; /* argg */
414#endif
415 int old_readfd = respipe [0];
416
417 if (respipe [1] >= 0)
418 respipe_close (TO_SOCKET (respipe [1]));
419
420#ifdef _WIN32
421 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
422#else
423 if (pipe (respipe))
424#endif
425 croak ("unable to initialize result pipe");
426
427 if (old_readfd >= 0)
428 {
429 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
430 croak ("unable to initialize result pipe(2)");
431
432 respipe_close (respipe [0]);
433 respipe [0] = old_readfd;
434 }
435
436#ifdef _WIN32
437 arg = 1;
438 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
439 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
440#else
441 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
442 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
443#endif
444 croak ("unable to initialize result pipe(3)");
445
446 respipe_osf [0] = TO_SOCKET (respipe [0]);
447 respipe_osf [1] = TO_SOCKET (respipe [1]);
448}
449
450X_THREAD_PROC (bdb_proc);
375 451
376static void start_thread (void) 452static void start_thread (void)
377{ 453{
378 sigset_t fullsigset, oldsigset;
379 pthread_attr_t attr;
380
381 worker *wrk = calloc (1, sizeof (worker)); 454 worker *wrk = calloc (1, sizeof (worker));
382 455
383 if (!wrk) 456 if (!wrk)
384 croak ("unable to allocate worker thread data"); 457 croak ("unable to allocate worker thread data");
385 458
386 pthread_attr_init (&attr);
387 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
388#ifdef PTHREAD_SCOPE_PROCESS
389 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
390#endif
391
392 sigfillset (&fullsigset);
393
394 LOCK (wrklock); 459 X_LOCK (wrklock);
395 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 460 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398 { 461 {
399 wrk->prev = &wrk_first; 462 wrk->prev = &wrk_first;
400 wrk->next = wrk_first.next; 463 wrk->next = wrk_first.next;
401 wrk_first.next->prev = wrk; 464 wrk_first.next->prev = wrk;
402 wrk_first.next = wrk; 465 wrk_first.next = wrk;
403 ++started; 466 ++started;
404 } 467 }
405 else 468 else
406 free (wrk); 469 free (wrk);
407 470
408 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409 UNLOCK (wrklock); 471 X_UNLOCK (wrklock);
410} 472}
411 473
412static void maybe_start_thread () 474static void maybe_start_thread (void)
413{ 475{
414 if (get_nthreads () >= wanted) 476 if (get_nthreads () >= wanted)
415 return; 477 return;
416 478
417 /* todo: maybe use idle here, but might be less exact */ 479 /* todo: maybe use idle here, but might be less exact */
… …
419 return; 481 return;
420 482
421 start_thread (); 483 start_thread ();
422} 484}
423 485
424static void req_send (aio_req req) 486static void req_send (bdb_req req)
425{ 487{
426 SV *wait_callback = 0; 488 SV *wait_callback = 0;
427 489
428 // synthesize callback if none given 490 // synthesize callback if none given
429 if (!SvOK (req->callback)) 491 if (!SvOK (req->callback))
430 { 492 {
493 int count;
494
431 dSP; 495 dSP;
432 PUSHMARK (SP); 496 PUSHMARK (SP);
433 PUTBACK; 497 PUTBACK;
434 int count = call_sv (prepare_cb, G_ARRAY); 498 count = call_sv (prepare_cb, G_ARRAY);
435 SPAGAIN; 499 SPAGAIN;
436 500
437 if (count != 2) 501 if (count != 2)
438 croak ("prepare callback must return exactly two values\n"); 502 croak ("prepare callback must return exactly two values\n");
439 503
440 wait_callback = SvREFCNT_inc (POPs); 504 wait_callback = POPs;
441 SvREFCNT_dec (req->callback); 505 SvREFCNT_dec (req->callback);
442 req->callback = SvREFCNT_inc (POPs); 506 req->callback = SvREFCNT_inc (POPs);
443 } 507 }
444 508
445 ++nreqs; 509 ++nreqs;
446 510
447 LOCK (reqlock); 511 X_LOCK (reqlock);
448 ++nready; 512 ++nready;
449 reqq_push (&req_queue, req); 513 reqq_push (&req_queue, req);
450 pthread_cond_signal (&reqwait); 514 X_COND_SIGNAL (reqwait);
451 UNLOCK (reqlock); 515 X_UNLOCK (reqlock);
452 516
453 maybe_start_thread (); 517 maybe_start_thread ();
454 518
455 if (wait_callback) 519 if (wait_callback)
456 { 520 {
457 dSP; 521 dSP;
458 PUSHMARK (SP); 522 PUSHMARK (SP);
459 PUTBACK; 523 PUTBACK;
460 call_sv (wait_callback, G_DISCARD); 524 call_sv (wait_callback, G_DISCARD);
461 SvREFCNT_dec (wait_callback);
462 } 525 }
463} 526}
464 527
465static void end_thread (void) 528static void end_thread (void)
466{ 529{
467 aio_req req; 530 bdb_req req;
468 531
469 Newz (0, req, 1, aio_cb); 532 Newz (0, req, 1, bdb_cb);
470 533
471 req->type = REQ_QUIT; 534 req->type = REQ_QUIT;
472 req->pri = PRI_MAX + PRI_BIAS; 535 req->pri = PRI_MAX + PRI_BIAS;
473 536
474 LOCK (reqlock); 537 X_LOCK (reqlock);
475 reqq_push (&req_queue, req); 538 reqq_push (&req_queue, req);
476 pthread_cond_signal (&reqwait); 539 X_COND_SIGNAL (reqwait);
477 UNLOCK (reqlock); 540 X_UNLOCK (reqlock);
478 541
479 LOCK (wrklock); 542 X_LOCK (wrklock);
480 --started; 543 --started;
481 UNLOCK (wrklock); 544 X_UNLOCK (wrklock);
482} 545}
483 546
484static void set_max_idle (int nthreads) 547static void set_max_idle (int nthreads)
485{ 548{
486 if (WORDACCESS_UNSAFE) LOCK (reqlock); 549 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487 max_idle = nthreads <= 0 ? 1 : nthreads; 550 max_idle = nthreads <= 0 ? 1 : nthreads;
488 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 551 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489} 552}
490 553
491static void min_parallel (int nthreads) 554static void min_parallel (int nthreads)
492{ 555{
493 if (wanted < nthreads) 556 if (wanted < nthreads)
… …
501 564
502 while (started > wanted) 565 while (started > wanted)
503 end_thread (); 566 end_thread ();
504} 567}
505 568
506static void poll_wait () 569static void poll_wait (void)
507{ 570{
508 fd_set rfd; 571 fd_set rfd;
509 572
510 while (nreqs) 573 while (nreqs)
511 { 574 {
512 int size; 575 int size;
513 if (WORDACCESS_UNSAFE) LOCK (reslock); 576 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514 size = res_queue.size; 577 size = res_queue.size;
515 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 578 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516 579
517 if (size) 580 if (size)
518 return; 581 return;
519 582
520 maybe_start_thread (); 583 maybe_start_thread ();
521 584
522 FD_ZERO(&rfd); 585 FD_ZERO (&rfd);
523 FD_SET(respipe [0], &rfd); 586 FD_SET (respipe [0], &rfd);
524 587
525 select (respipe [0] + 1, &rfd, 0, 0, 0); 588 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526 } 589 }
527} 590}
528 591
529static int poll_cb () 592static int poll_cb (void)
530{ 593{
531 dSP; 594 dSP;
532 int count = 0; 595 int count = 0;
533 int maxreqs = max_poll_reqs; 596 int maxreqs = max_poll_reqs;
534 int do_croak = 0; 597 int do_croak = 0;
535 struct timeval tv_start, tv_now; 598 struct timeval tv_start, tv_now;
536 aio_req req; 599 bdb_req req;
537 600
538 if (max_poll_time) 601 if (max_poll_time)
539 gettimeofday (&tv_start, 0); 602 gettimeofday (&tv_start, 0);
540 603
541 for (;;) 604 for (;;)
542 { 605 {
543 for (;;) 606 for (;;)
544 { 607 {
545 maybe_start_thread (); 608 maybe_start_thread ();
546 609
547 LOCK (reslock); 610 X_LOCK (reslock);
548 req = reqq_shift (&res_queue); 611 req = reqq_shift (&res_queue);
549 612
550 if (req) 613 if (req)
551 { 614 {
552 --npending; 615 --npending;
553 616
554 if (!res_queue.size) 617 if (!res_queue.size)
555 { 618 {
556 /* read any signals sent by the worker threads */ 619 /* read any signals sent by the worker threads */
557 char buf [4]; 620 char buf [4];
558 while (read (respipe [0], buf, 4) == 4) 621 while (respipe_read (respipe [0], buf, 4) == 4)
559 ; 622 ;
560 } 623 }
561 } 624 }
562 625
563 UNLOCK (reslock); 626 X_UNLOCK (reslock);
564 627
565 if (!req) 628 if (!req)
566 break; 629 break;
567 630
568 --nreqs; 631 --nreqs;
… …
598 } 661 }
599 662
600 return count; 663 return count;
601} 664}
602 665
603static void create_pipe ()
604{
605 if (pipe (respipe))
606 croak ("unable to initialize result pipe");
607
608 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
609 croak ("cannot set result pipe to nonblocking mode");
610
611 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
612 croak ("cannot set result pipe to nonblocking mode");
613}
614
615/*****************************************************************************/ 666/*****************************************************************************/
616 667
617static void *aio_proc (void *thr_arg) 668X_THREAD_PROC (bdb_proc)
618{ 669{
619 aio_req req; 670 bdb_req req;
620 struct timespec ts; 671 struct timespec ts;
621 worker *self = (worker *)thr_arg; 672 worker *self = (worker *)thr_arg;
622 673
623 /* try to distribute timeouts somewhat evenly */ 674 /* try to distribute timeouts somewhat evenly */
624 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 675 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625 * (1000000000UL / 1024UL);
626 676
627 for (;;) 677 for (;;)
628 { 678 {
629 ts.tv_sec = time (0) + IDLE_TIMEOUT; 679 ts.tv_sec = time (0) + IDLE_TIMEOUT;
630 680
631 LOCK (reqlock); 681 X_LOCK (reqlock);
632 682
633 for (;;) 683 for (;;)
634 { 684 {
635 self->req = req = reqq_shift (&req_queue); 685 self->req = req = reqq_shift (&req_queue);
636 686
637 if (req) 687 if (req)
638 break; 688 break;
639 689
640 ++idle; 690 ++idle;
641 691
642 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 692 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643 == ETIMEDOUT) 693 == ETIMEDOUT)
644 { 694 {
645 if (idle > max_idle) 695 if (idle > max_idle)
646 { 696 {
647 --idle; 697 --idle;
648 UNLOCK (reqlock); 698 X_UNLOCK (reqlock);
649 LOCK (wrklock); 699 X_LOCK (wrklock);
650 --started; 700 --started;
651 UNLOCK (wrklock); 701 X_UNLOCK (wrklock);
652 goto quit; 702 goto quit;
653 } 703 }
654 704
655 /* we are allowed to idle, so do so without any timeout */ 705 /* we are allowed to idle, so do so without any timeout */
656 pthread_cond_wait (&reqwait, &reqlock); 706 X_COND_WAIT (reqwait, reqlock);
657 ts.tv_sec = time (0) + IDLE_TIMEOUT; 707 ts.tv_sec = time (0) + IDLE_TIMEOUT;
658 } 708 }
659 709
660 --idle; 710 --idle;
661 } 711 }
662 712
663 --nready; 713 --nready;
664 714
665 UNLOCK (reqlock); 715 X_UNLOCK (reqlock);
666 716
667 switch (req->type) 717 switch (req->type)
668 { 718 {
669 case REQ_QUIT: 719 case REQ_QUIT:
720 req->result = ENOSYS;
670 goto quit; 721 goto quit;
671 722
672 case REQ_ENV_OPEN: 723 case REQ_ENV_OPEN:
673 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 724 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674 break; 725 break;
… …
707 758
708 case REQ_DB_SYNC: 759 case REQ_DB_SYNC:
709 req->result = req->db->sync (req->db, req->uint1); 760 req->result = req->db->sync (req->db, req->uint1);
710 break; 761 break;
711 762
763 case REQ_DB_UPGRADE:
764 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
765 break;
766
712 case REQ_DB_PUT: 767 case REQ_DB_PUT:
713 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); 768 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714 break; 769 break;
715 770
716 case REQ_DB_GET: 771 case REQ_DB_GET:
… …
733 req->result = req->txn->commit (req->txn, req->uint1); 788 req->result = req->txn->commit (req->txn, req->uint1);
734 break; 789 break;
735 790
736 case REQ_TXN_ABORT: 791 case REQ_TXN_ABORT:
737 req->result = req->txn->abort (req->txn); 792 req->result = req->txn->abort (req->txn);
793 break;
794
795 case REQ_TXN_FINISH:
796 if (req->txn->flags & TXN_DEADLOCK)
797 {
798 req->result = req->txn->abort (req->txn);
799 if (!req->result)
800 req->result = DB_LOCK_DEADLOCK;
801 }
802 else
803 req->result = req->txn->commit (req->txn, req->uint1);
738 break; 804 break;
739 805
740 case REQ_C_CLOSE: 806 case REQ_C_CLOSE:
741 req->result = req->dbc->c_close (req->dbc); 807 req->result = req->dbc->c_close (req->dbc);
742 break; 808 break;
… …
784 default: 850 default:
785 req->result = ENOSYS; 851 req->result = ENOSYS;
786 break; 852 break;
787 } 853 }
788 854
855 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
856 req->txn->flags |= TXN_DEADLOCK;
857
789 LOCK (reslock); 858 X_LOCK (reslock);
790 859
791 ++npending; 860 ++npending;
792 861
793 if (!reqq_push (&res_queue, req)) 862 if (!reqq_push (&res_queue, req))
794 /* write a dummy byte to the pipe so fh becomes ready */ 863 /* write a dummy byte to the pipe so fh becomes ready */
795 write (respipe [1], &respipe, 1); 864 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796 865
797 self->req = 0; 866 self->req = 0;
798 worker_clear (self); 867 worker_clear (self);
799 868
800 UNLOCK (reslock); 869 X_UNLOCK (reslock);
801 } 870 }
802 871
803quit: 872quit:
804 LOCK (wrklock); 873 X_LOCK (wrklock);
805 worker_free (self); 874 worker_free (self);
806 UNLOCK (wrklock); 875 X_UNLOCK (wrklock);
807 876
808 return 0; 877 return 0;
809} 878}
810 879
811/*****************************************************************************/ 880/*****************************************************************************/
812 881
813static void atfork_prepare (void) 882static void atfork_prepare (void)
814{ 883{
815 LOCK (wrklock); 884 X_LOCK (wrklock);
816 LOCK (reqlock); 885 X_LOCK (reqlock);
817 LOCK (reslock); 886 X_LOCK (reslock);
818} 887}
819 888
820static void atfork_parent (void) 889static void atfork_parent (void)
821{ 890{
822 UNLOCK (reslock); 891 X_UNLOCK (reslock);
823 UNLOCK (reqlock); 892 X_UNLOCK (reqlock);
824 UNLOCK (wrklock); 893 X_UNLOCK (wrklock);
825} 894}
826 895
827static void atfork_child (void) 896static void atfork_child (void)
828{ 897{
829 aio_req prv; 898 bdb_req prv;
830 899
831 while (prv = reqq_shift (&req_queue)) 900 while (prv = reqq_shift (&req_queue))
832 req_free (prv); 901 req_free (prv);
833 902
834 while (prv = reqq_shift (&res_queue)) 903 while (prv = reqq_shift (&res_queue))
… …
849 idle = 0; 918 idle = 0;
850 nreqs = 0; 919 nreqs = 0;
851 nready = 0; 920 nready = 0;
852 npending = 0; 921 npending = 0;
853 922
854 close (respipe [0]);
855 close (respipe [1]);
856 create_pipe (); 923 create_respipe ();
857 924
858 atfork_parent (); 925 atfork_parent ();
859} 926}
860 927
861#define dREQ(reqtype) \ 928#define dREQ(reqtype) \
862 aio_req req; \ 929 bdb_req req; \
863 int req_pri = next_pri; \ 930 int req_pri = next_pri; \
864 next_pri = DEFAULT_PRI + PRI_BIAS; \ 931 next_pri = DEFAULT_PRI + PRI_BIAS; \
865 \ 932 \
866 if (SvOK (callback) && !SvROK (callback)) \ 933 if (SvOK (callback) && !SvROK (callback)) \
867 croak ("callback must be undef or of reference type"); \ 934 croak ("callback must be undef or of reference type"); \
868 \ 935 \
869 Newz (0, req, 1, aio_cb); \ 936 Newz (0, req, 1, bdb_cb); \
870 if (!req) \ 937 if (!req) \
871 croak ("out of memory during aio_req allocation"); \ 938 croak ("out of memory during bdb_req allocation"); \
872 \ 939 \
873 req->callback = newSVsv (callback); \ 940 req->callback = newSVsv (callback); \
874 req->type = (reqtype); \ 941 req->type = (reqtype); \
875 req->pri = req_pri 942 req->pri = req_pri
876 943
877#define REQ_SEND \ 944#define REQ_SEND \
878 req_send (req) 945 req_send (req)
879 946
880#define SvPTR(var, arg, type, class, nullok) \ 947#define SvPTR(var, arg, type, class, nullok) \
881 if (!SvOK (arg)) \ 948 if (!SvOK (arg)) \
882 { \ 949 { \
883 if (!nullok) \ 950 if (nullok != 1) \
884 croak (# var " must be a " # class " object, not undef"); \ 951 croak (# var " must be a " # class " object, not undef"); \
885 \ 952 \
886 (var) = 0; \ 953 (var) = 0; \
887 } \ 954 } \
888 else if (sv_derived_from ((arg), # class)) \ 955 else if (sv_derived_from ((arg), # class)) \
889 { \ 956 { \
890 IV tmp = SvIV ((SV*) SvRV (arg)); \ 957 IV tmp = SvIV ((SV*) SvRV (arg)); \
891 (var) = INT2PTR (type, tmp); \ 958 (var) = INT2PTR (type, tmp); \
892 if (!var) \ 959 if (!var && nullok != 2) \
893 croak (# var " is not a valid " # class " object anymore"); \ 960 croak (# var " is not a valid " # class " object anymore"); \
894 } \ 961 } \
895 else \ 962 else \
896 croak (# var " is not of type " # class); \ 963 croak (# var " is not of type " # class); \
897 \ 964 \
… …
899static void 966static void
900ptr_nuke (SV *sv) 967ptr_nuke (SV *sv)
901{ 968{
902 assert (SvROK (sv)); 969 assert (SvROK (sv));
903 sv_setiv (SvRV (sv), 0); 970 sv_setiv (SvRV (sv), 0);
971}
972
973static int
974errno_get (pTHX_ SV *sv, MAGIC *mg)
975{
976 if (*mg->mg_ptr == '!') // should always be the case
977 if (-30999 <= errno && errno <= -30800)
978 {
979 sv_setnv (sv, (NV)errno);
980 sv_setpv (sv, db_strerror (errno));
981 SvNOK_on (sv); /* what a wonderful hack! */
982 // ^^^ copied from perl sources
983 return 0;
984 }
985
986 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
987}
988
989static MGVTBL vtbl_errno;
990
991// this wonderful hack :( patches perl's $! variable to support our errno values
992static void
993patch_errno (void)
994{
995 SV *sv;
996 MAGIC *mg;
997
998 if (!(sv = get_sv ("!", 1)))
999 return;
1000
1001 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1002 return;
1003
1004 if (mg->mg_virtual != &PL_vtbl_sv)
1005 return;
1006
1007 vtbl_errno = PL_vtbl_sv;
1008 vtbl_errno.svt_get = errno_get;
1009 mg->mg_virtual = &vtbl_errno;
904} 1010}
905 1011
906MODULE = BDB PACKAGE = BDB 1012MODULE = BDB PACKAGE = BDB
907 1013
908PROTOTYPES: ENABLE 1014PROTOTYPES: ENABLE
… …
925 const_iv (INIT_TXN) 1031 const_iv (INIT_TXN)
926 const_iv (RECOVER) 1032 const_iv (RECOVER)
927 const_iv (INIT_TXN) 1033 const_iv (INIT_TXN)
928 const_iv (RECOVER_FATAL) 1034 const_iv (RECOVER_FATAL)
929 const_iv (CREATE) 1035 const_iv (CREATE)
1036 const_iv (RDONLY)
930 const_iv (USE_ENVIRON) 1037 const_iv (USE_ENVIRON)
931 const_iv (USE_ENVIRON_ROOT) 1038 const_iv (USE_ENVIRON_ROOT)
932 const_iv (LOCKDOWN) 1039 const_iv (LOCKDOWN)
933 const_iv (PRIVATE) 1040 const_iv (PRIVATE)
934 const_iv (REGISTER) 1041 const_iv (REGISTER)
… …
940 const_iv (DSYNC_DB) 1047 const_iv (DSYNC_DB)
941 const_iv (DSYNC_LOG) 1048 const_iv (DSYNC_LOG)
942 const_iv (LOG_AUTOREMOVE) 1049 const_iv (LOG_AUTOREMOVE)
943 const_iv (LOG_INMEMORY) 1050 const_iv (LOG_INMEMORY)
944 const_iv (NOLOCKING) 1051 const_iv (NOLOCKING)
945 const_iv (MULTIVERSION)
946 const_iv (NOMMAP) 1052 const_iv (NOMMAP)
947 const_iv (NOPANIC) 1053 const_iv (NOPANIC)
948 const_iv (OVERWRITE) 1054 const_iv (OVERWRITE)
949 const_iv (PANIC_ENVIRONMENT) 1055 const_iv (PANIC_ENVIRONMENT)
950 const_iv (REGION_INIT) 1056 const_iv (REGION_INIT)
951 const_iv (TIME_NOTGRANTED) 1057 const_iv (TIME_NOTGRANTED)
952 const_iv (TXN_NOSYNC) 1058 const_iv (TXN_NOSYNC)
953 const_iv (TXN_SNAPSHOT) 1059 const_iv (TXN_NOT_DURABLE)
954 const_iv (TXN_WRITE_NOSYNC) 1060 const_iv (TXN_WRITE_NOSYNC)
955 const_iv (WRITECURSOR) 1061 const_iv (WRITECURSOR)
956 const_iv (YIELDCPU) 1062 const_iv (YIELDCPU)
957 const_iv (ENCRYPT_AES) 1063 const_iv (ENCRYPT_AES)
958 const_iv (XA_CREATE) 1064 const_iv (XA_CREATE)
… …
966 const_iv (READ_UNCOMMITTED) 1072 const_iv (READ_UNCOMMITTED)
967 const_iv (TRUNCATE) 1073 const_iv (TRUNCATE)
968 const_iv (NOSYNC) 1074 const_iv (NOSYNC)
969 const_iv (CHKSUM) 1075 const_iv (CHKSUM)
970 const_iv (ENCRYPT) 1076 const_iv (ENCRYPT)
971 const_iv (TXN_NOT_DURABLE)
972 const_iv (DUP) 1077 const_iv (DUP)
973 const_iv (DUPSORT) 1078 const_iv (DUPSORT)
974 const_iv (RECNUM) 1079 const_iv (RECNUM)
975 const_iv (RENUMBER) 1080 const_iv (RENUMBER)
976 const_iv (REVSPLITOFF) 1081 const_iv (REVSPLITOFF)
… …
981 const_iv (GET_BOTH_RANGE) 1086 const_iv (GET_BOTH_RANGE)
982 //const_iv (SET_RECNO) 1087 //const_iv (SET_RECNO)
983 //const_iv (MULTIPLE) 1088 //const_iv (MULTIPLE)
984 const_iv (SNAPSHOT) 1089 const_iv (SNAPSHOT)
985 const_iv (JOIN_ITEM) 1090 const_iv (JOIN_ITEM)
1091 const_iv (JOIN_NOSORT)
986 const_iv (RMW) 1092 const_iv (RMW)
987 1093
988 const_iv (NOTFOUND) 1094 const_iv (NOTFOUND)
989 const_iv (KEYEMPTY) 1095 const_iv (KEYEMPTY)
990 const_iv (LOCK_DEADLOCK) 1096 const_iv (LOCK_DEADLOCK)
… …
1001 const_iv (APPEND) 1107 const_iv (APPEND)
1002 const_iv (NODUPDATA) 1108 const_iv (NODUPDATA)
1003 const_iv (NOOVERWRITE) 1109 const_iv (NOOVERWRITE)
1004 1110
1005 const_iv (TXN_NOWAIT) 1111 const_iv (TXN_NOWAIT)
1006 const_iv (TXN_SNAPSHOT)
1007 const_iv (TXN_SYNC) 1112 const_iv (TXN_SYNC)
1008 1113
1009 const_iv (SET_LOCK_TIMEOUT) 1114 const_iv (SET_LOCK_TIMEOUT)
1010 const_iv (SET_TXN_TIMEOUT) 1115 const_iv (SET_TXN_TIMEOUT)
1011 1116
1012 const_iv (JOIN_ITEM)
1013 const_iv (FIRST) 1117 const_iv (FIRST)
1014 const_iv (NEXT) 1118 const_iv (NEXT)
1015 const_iv (NEXT_DUP) 1119 const_iv (NEXT_DUP)
1016 const_iv (NEXT_NODUP) 1120 const_iv (NEXT_NODUP)
1017 const_iv (PREV) 1121 const_iv (PREV)
… …
1039 const_iv (LOCK_YOUNGEST) 1143 const_iv (LOCK_YOUNGEST)
1040 1144
1041 const_iv (SEQ_DEC) 1145 const_iv (SEQ_DEC)
1042 const_iv (SEQ_INC) 1146 const_iv (SEQ_INC)
1043 const_iv (SEQ_WRAP) 1147 const_iv (SEQ_WRAP)
1148
1149 const_iv (BUFFER_SMALL)
1150 const_iv (DONOTINDEX)
1151 const_iv (KEYEMPTY )
1152 const_iv (KEYEXIST )
1153 const_iv (LOCK_DEADLOCK)
1154 const_iv (LOCK_NOTGRANTED)
1155 const_iv (LOG_BUFFER_FULL)
1156 const_iv (NOSERVER)
1157 const_iv (NOSERVER_HOME)
1158 const_iv (NOSERVER_ID)
1159 const_iv (NOTFOUND)
1160 const_iv (PAGE_NOTFOUND)
1161 const_iv (REP_DUPMASTER)
1162 const_iv (REP_HANDLE_DEAD)
1163 const_iv (REP_HOLDELECTION)
1164 const_iv (REP_IGNORE)
1165 const_iv (REP_ISPERM)
1166 const_iv (REP_JOIN_FAILURE)
1167 const_iv (REP_LOCKOUT)
1168 const_iv (REP_NEWMASTER)
1169 const_iv (REP_NEWSITE)
1170 const_iv (REP_NOTPERM)
1171 const_iv (REP_UNAVAIL)
1172 const_iv (RUNRECOVERY)
1173 const_iv (SECONDARY_BAD)
1174 const_iv (VERIFY_BAD)
1175 const_iv (VERSION_MISMATCH)
1176
1177 const_iv (VERB_DEADLOCK)
1178 const_iv (VERB_RECOVERY)
1179 const_iv (VERB_REGISTER)
1180 const_iv (VERB_REPLICATION)
1181 const_iv (VERB_WAITSFOR)
1182
1183 const_iv (VERSION_MAJOR)
1184 const_iv (VERSION_MINOR)
1185 const_iv (VERSION_PATCH)
1186#if DB_VERSION_MINOR >= 5
1187 const_iv (MULTIVERSION)
1188 const_iv (TXN_SNAPSHOT)
1189#endif
1190#if DB_VERSION_MINOR >= 6
1191 const_iv (PREV_DUP)
1192 const_iv (PRIORITY_UNCHANGED)
1193 const_iv (PRIORITY_VERY_LOW)
1194 const_iv (PRIORITY_LOW)
1195 const_iv (PRIORITY_DEFAULT)
1196 const_iv (PRIORITY_HIGH)
1197 const_iv (PRIORITY_VERY_HIGH)
1198#endif
1044 }; 1199 };
1045 1200
1046 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1201 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1202 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048 1203
1049 create_pipe (); 1204 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1205 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1206
1207 create_respipe ();
1208
1050 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1209 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1210#ifdef _WIN32
1211 X_MUTEX_CHECK (wrklock);
1212 X_MUTEX_CHECK (reslock);
1213 X_MUTEX_CHECK (reqlock);
1214
1215 X_COND_CHECK (reqwait);
1216#endif
1217 patch_errno ();
1051} 1218}
1052 1219
1053void 1220void
1054max_poll_reqs (int nreqs) 1221max_poll_reqs (int nreqs)
1055 PROTOTYPE: $ 1222 PROTOTYPE: $
… …
1174 1341
1175int 1342int
1176nthreads () 1343nthreads ()
1177 PROTOTYPE: 1344 PROTOTYPE:
1178 CODE: 1345 CODE:
1179 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1346 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180 RETVAL = started; 1347 RETVAL = started;
1181 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1348 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182 OUTPUT: 1349 OUTPUT:
1183 RETVAL 1350 RETVAL
1184 1351
1185void 1352void
1186set_sync_prepare (SV *cb) 1353set_sync_prepare (SV *cb)
1187 PROTOTYPE: & 1354 PROTOTYPE: &
1188 CODE: 1355 CODE:
1189 SvREFCNT_dec (prepare_cb); 1356 SvREFCNT_dec (prepare_cb);
1190 prepare_cb = newSVsv (cb); 1357 prepare_cb = newSVsv (cb);
1191 1358
1359char *
1360strerror (int errorno = errno)
1361 PROTOTYPE: ;$
1362 CODE:
1363 RETVAL = db_strerror (errorno);
1364 OUTPUT:
1365 RETVAL
1192 1366
1193DB_ENV * 1367DB_ENV *
1194db_env_create (U32 env_flags = 0) 1368db_env_create (U32 env_flags = 0)
1195 CODE: 1369 CODE:
1196{ 1370{
1197 errno = db_env_create (&RETVAL, env_flags); 1371 errno = db_env_create (&RETVAL, env_flags);
1198 if (errno) 1372 if (errno)
1199 croak ("db_env_create: %s", db_strerror (errno)); 1373 croak ("db_env_create: %s", db_strerror (errno));
1374
1375 if (0)
1376 {
1377 RETVAL->set_errcall (RETVAL, debug_errcall);
1378 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1379 }
1200} 1380}
1201 OUTPUT: 1381 OUTPUT:
1202 RETVAL 1382 RETVAL
1203 1383
1204void 1384void
1205db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1385db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1206 CODE: 1386 CODE:
1207{ 1387{
1208 env->set_thread_count (env, get_nthreads ());
1209
1210 dREQ (REQ_ENV_OPEN); 1388 dREQ (REQ_ENV_OPEN);
1389
1211 req->env = env; 1390 req->env = env;
1212 req->uint1 = open_flags | DB_THREAD; 1391 req->uint1 = open_flags | DB_THREAD;
1213 req->int1 = mode; 1392 req->int1 = mode;
1214 req->buf1 = strdup_ornull (db_home); 1393 req->buf1 = strdup_ornull (db_home);
1215 REQ_SEND; 1394 REQ_SEND;
… …
1282} 1461}
1283 OUTPUT: 1462 OUTPUT:
1284 RETVAL 1463 RETVAL
1285 1464
1286void 1465void
1287db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) 1466db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1288 CODE: 1467 CODE:
1289{ 1468{
1290 dREQ (REQ_DB_OPEN); 1469 dREQ (REQ_DB_OPEN);
1291 req->db = db; 1470 req->db = db;
1292 req->txn = txnid; 1471 req->txn = txnid;
… …
1332 req->uint1 = flags; 1511 req->uint1 = flags;
1333 REQ_SEND; 1512 REQ_SEND;
1334} 1513}
1335 1514
1336void 1515void
1516db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
1517 CODE:
1518{
1519 dREQ (REQ_DB_SYNC);
1520 req->db = db;
1521 req->buf1 = strdup (file);
1522 req->uint1 = flags;
1523 REQ_SEND;
1524}
1525
1526void
1337db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) 1527db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1338 CODE: 1528 CODE:
1339{ 1529{
1340 dREQ (REQ_DB_KEY_RANGE); 1530 dREQ (REQ_DB_KEY_RANGE);
1341 req->db = db; 1531 req->db = db;
… …
1360} 1550}
1361 1551
1362void 1552void
1363db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1553db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1364 CODE: 1554 CODE:
1555 if (SvREADONLY (data))
1556 croak ("can't modify read-only data scalar in db_get");
1365{ 1557{
1366 dREQ (REQ_DB_GET); 1558 dREQ (REQ_DB_GET);
1367 req->db = db; 1559 req->db = db;
1368 req->txn = txn; 1560 req->txn = txn;
1369 req->uint1 = flags; 1561 req->uint1 = flags;
… …
1374} 1566}
1375 1567
1376void 1568void
1377db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1569db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1378 CODE: 1570 CODE:
1571 if (SvREADONLY (data))
1572 croak ("can't modify read-only data scalar in db_pget");
1379{ 1573{
1380 dREQ (REQ_DB_PGET); 1574 dREQ (REQ_DB_PGET);
1381 req->db = db; 1575 req->db = db;
1382 req->txn = txn; 1576 req->txn = txn;
1383 req->uint1 = flags; 1577 req->uint1 = flags;
… …
1420 REQ_SEND; 1614 REQ_SEND;
1421 ptr_nuke (ST (0)); 1615 ptr_nuke (ST (0));
1422} 1616}
1423 1617
1424void 1618void
1619db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1620 CODE:
1621{
1622 dREQ (REQ_TXN_FINISH);
1623 req->txn = txn;
1624 req->uint1 = flags;
1625 REQ_SEND;
1626 ptr_nuke (ST (0));
1627}
1628
1629void
1425db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1630db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1426 CODE: 1631 CODE:
1427{ 1632{
1428 dREQ (REQ_C_CLOSE); 1633 dREQ (REQ_C_CLOSE);
1429 req->dbc = dbc; 1634 req->dbc = dbc;
… …
1566 1771
1567 1772
1568MODULE = BDB PACKAGE = BDB::Env 1773MODULE = BDB PACKAGE = BDB::Env
1569 1774
1570void 1775void
1571DESTROY (DB_ENV_ornull *env) 1776DESTROY (DB_ENV_ornuked *env)
1572 CODE: 1777 CODE:
1573 if (env) 1778 if (env)
1574 env->close (env, 0); 1779 env->close (env, 0);
1575 1780
1576int set_data_dir (DB_ENV *env, const char *dir) 1781int set_data_dir (DB_ENV *env, const char *dir)
… …
1601 CODE: 1806 CODE:
1602 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1807 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603 OUTPUT: 1808 OUTPUT:
1604 RETVAL 1809 RETVAL
1605 1810
1606int set_flags (DB_ENV *env, U32 flags, int onoff) 1811int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607 CODE: 1812 CODE:
1608 RETVAL = env->set_flags (env, flags, onoff); 1813 RETVAL = env->set_flags (env, flags, onoff);
1609 OUTPUT: 1814 OUTPUT:
1610 RETVAL 1815 RETVAL
1611 1816
1817void set_errfile (DB_ENV *env, FILE *errfile = 0)
1818 CODE:
1819 env->set_errfile (env, errfile);
1820
1821void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1822 CODE:
1823 env->set_msgfile (env, msgfile);
1824
1825int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1826 CODE:
1827 RETVAL = env->set_verbose (env, which, onoff);
1828 OUTPUT:
1829 RETVAL
1830
1612int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1831int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613 CODE: 1832 CODE:
1614 RETVAL = env->set_encrypt (env, password, flags); 1833 RETVAL = env->set_encrypt (env, password, flags);
1615 OUTPUT: 1834 OUTPUT:
1616 RETVAL 1835 RETVAL
1617 1836
1618int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1837int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619 CODE: 1838 CODE:
1620 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1839 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621 OUTPUT: 1840 OUTPUT:
1622 RETVAL 1841 RETVAL
1623 1842
… …
1671 1890
1672int set_lg_max (DB_ENV *env, U32 max) 1891int set_lg_max (DB_ENV *env, U32 max)
1673 CODE: 1892 CODE:
1674 RETVAL = env->set_lg_max (env, max); 1893 RETVAL = env->set_lg_max (env, max);
1675 OUTPUT: 1894 OUTPUT:
1895 RETVAL
1896
1897int mutex_set_max (DB_ENV *env, U32 max)
1898 CODE:
1899 RETVAL = env->mutex_set_max (env, max);
1900 OUTPUT:
1901 RETVAL
1902
1903int mutex_set_increment (DB_ENV *env, U32 increment)
1904 CODE:
1905 RETVAL = env->mutex_set_increment (env, increment);
1906 OUTPUT:
1907 RETVAL
1908
1909int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1910 CODE:
1911 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1912 OUTPUT:
1913 RETVAL
1914
1915int mutex_set_align (DB_ENV *env, U32 align)
1916 CODE:
1917 RETVAL = env->mutex_set_align (env, align);
1918 OUTPUT:
1676 RETVAL 1919 RETVAL
1677 1920
1678DB_TXN * 1921DB_TXN *
1679txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1922txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680 CODE: 1923 CODE:
… …
1685 RETVAL 1928 RETVAL
1686 1929
1687MODULE = BDB PACKAGE = BDB::Db 1930MODULE = BDB PACKAGE = BDB::Db
1688 1931
1689void 1932void
1690DESTROY (DB_ornull *db) 1933DESTROY (DB_ornuked *db)
1691 CODE: 1934 CODE:
1692 if (db) 1935 if (db)
1693 { 1936 {
1694 SV *env = (SV *)db->app_private; 1937 SV *env = (SV *)db->app_private;
1695 db->close (db, 0); 1938 db->close (db, 0);
… …
1700 CODE: 1943 CODE:
1701 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1944 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702 OUTPUT: 1945 OUTPUT:
1703 RETVAL 1946 RETVAL
1704 1947
1705int set_flags (DB *db, U32 flags); 1948int set_flags (DB *db, U32 flags)
1706 CODE: 1949 CODE:
1707 RETVAL = db->set_flags (db, flags); 1950 RETVAL = db->set_flags (db, flags);
1708 OUTPUT: 1951 OUTPUT:
1709 RETVAL 1952 RETVAL
1710 1953
… …
1724 CODE: 1967 CODE:
1725 RETVAL = db->set_bt_minkey (db, minkey); 1968 RETVAL = db->set_bt_minkey (db, minkey);
1726 OUTPUT: 1969 OUTPUT:
1727 RETVAL 1970 RETVAL
1728 1971
1729int set_re_delim(DB *db, int delim); 1972int set_re_delim (DB *db, int delim)
1730 CODE: 1973 CODE:
1731 RETVAL = db->set_re_delim (db, delim); 1974 RETVAL = db->set_re_delim (db, delim);
1732 OUTPUT: 1975 OUTPUT:
1733 RETVAL 1976 RETVAL
1734 1977
… …
1790 2033
1791 2034
1792MODULE = BDB PACKAGE = BDB::Txn 2035MODULE = BDB PACKAGE = BDB::Txn
1793 2036
1794void 2037void
1795DESTROY (DB_TXN_ornull *txn) 2038DESTROY (DB_TXN_ornuked *txn)
1796 CODE: 2039 CODE:
1797 if (txn) 2040 if (txn)
1798 txn->abort (txn); 2041 txn->abort (txn);
1799 2042
1800int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 2043int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801 CODE: 2044 CODE:
1802 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 2045 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803 OUTPUT: 2046 OUTPUT:
1804 RETVAL 2047 RETVAL
1805 2048
2049int failed (DB_TXN *txn)
2050 CODE:
2051 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2052 OUTPUT:
2053 RETVAL
2054
1806 2055
1807MODULE = BDB PACKAGE = BDB::Cursor 2056MODULE = BDB PACKAGE = BDB::Cursor
1808 2057
1809void 2058void
1810DESTROY (DBC_ornull *dbc) 2059DESTROY (DBC_ornuked *dbc)
1811 CODE: 2060 CODE:
1812 if (dbc) 2061 if (dbc)
1813 dbc->c_close (dbc); 2062 dbc->c_close (dbc);
1814 2063
2064#if DB_VERSION_MINOR >= 6
2065
2066int set_priority (DBC *dbc, int priority)
2067 CODE:
2068 dbc->set_priority (dbc, priority);
2069
2070#endif
2071
1815MODULE = BDB PACKAGE = BDB::Sequence 2072MODULE = BDB PACKAGE = BDB::Sequence
1816 2073
1817void 2074void
1818DESTROY (DB_SEQUENCE_ornull *seq) 2075DESTROY (DB_SEQUENCE_ornuked *seq)
1819 CODE: 2076 CODE:
1820 if (seq) 2077 if (seq)
1821 seq->close (seq, 0); 2078 seq->close (seq, 0);
1822 2079
1823int initial_value (DB_SEQUENCE *seq, db_seq_t value) 2080int initial_value (DB_SEQUENCE *seq, db_seq_t value)
… …
1842 CODE: 2099 CODE:
1843 RETVAL = seq->set_range (seq, min, max); 2100 RETVAL = seq->set_range (seq, min, max);
1844 OUTPUT: 2101 OUTPUT:
1845 RETVAL 2102 RETVAL
1846 2103
2104

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