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Comparing BDB/BDB.xs (file contents):
Revision 1.9 by root, Sun Feb 11 22:38:37 2007 UTC vs.
Revision 1.33 by root, Sun Mar 30 04:57:55 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>
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
29 35
30/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
31#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
32
33/* wether word reads are potentially non-atomic.
34 * this is conservatice, likely most arches this runs
35 * on have atomic word read/writes.
36 */
37#ifndef WORDACCESS_UNSAFE
38# if __i386 || __x86_64
39# define WORDACCESS_UNSAFE 0
40# else
41# define WORDACCESS_UNSAFE 1
42# endif
43#endif
44 38
45typedef DB_ENV DB_ENV_ornull; 39typedef DB_ENV DB_ENV_ornull;
46typedef DB_TXN DB_TXN_ornull; 40typedef DB_TXN DB_TXN_ornull;
47typedef DBC DBC_ornull; 41typedef DBC DBC_ornull;
48typedef DB DB_ornull; 42typedef DB DB_ornull;
49typedef DB_SEQUENCE DB_SEQUENCE_ornull; 43typedef DB_SEQUENCE DB_SEQUENCE_ornull;
50 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
51typedef SV SV8; /* byte-sv, used for argument-checking */ 51typedef SV SV8; /* byte-sv, used for argument-checking */
52typedef char *octetstring; 52typedef char *bdb_filename;
53 53
54static SV *prepare_cb; 54static SV *prepare_cb;
55 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
66static void
67debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
68{
69 printf ("err[%s]\n", msg);
70}
71
72static void
73debug_msgcall (const DB_ENV *dbenv, const char *msg)
74{
75 printf ("msg[%s]\n", msg);
76}
77
56static inline char * 78static char *
57strdup_ornull (const char *s) 79strdup_ornull (const char *s)
58{ 80{
59 return s ? strdup (s) : 0; 81 return s ? strdup (s) : 0;
60} 82}
61 83
62static inline void 84static void
63sv_to_dbt (DBT *dbt, SV *sv) 85sv_to_dbt (DBT *dbt, SV *sv)
64{ 86{
65 STRLEN len; 87 STRLEN len;
66 char *data = SvPVbyte (sv, len); 88 char *data = SvPVbyte (sv, len);
67 89
… …
69 memcpy (dbt->data, data, len); 91 memcpy (dbt->data, data, len);
70 dbt->size = len; 92 dbt->size = len;
71 dbt->flags = DB_DBT_REALLOC; 93 dbt->flags = DB_DBT_REALLOC;
72} 94}
73 95
74static inline void 96static void
75dbt_to_sv (SV *sv, DBT *dbt) 97dbt_to_sv (SV *sv, DBT *dbt)
76{ 98{
77 if (sv) 99 if (sv)
78 { 100 {
79 SvREADONLY_off (sv); 101 SvREADONLY_off (sv);
… …
86 108
87enum { 109enum {
88 REQ_QUIT, 110 REQ_QUIT,
89 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 111 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
90 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 112 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
91 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, 113 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE,
92 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, 114 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
93 REQ_TXN_COMMIT, REQ_TXN_ABORT, 115 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
94 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 116 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
95 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, 117 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
96}; 118};
97 119
98typedef struct aio_cb 120typedef struct bdb_cb
99{ 121{
100 struct aio_cb *volatile next; 122 struct bdb_cb *volatile next;
101 SV *callback; 123 SV *callback;
102 int type, pri, result; 124 int type, pri, result;
103 125
104 DB_ENV *env; 126 DB_ENV *env;
105 DB *db; 127 DB *db;
… …
114 136
115 DBT dbt1, dbt2, dbt3; 137 DBT dbt1, dbt2, dbt3;
116 DB_KEY_RANGE key_range; 138 DB_KEY_RANGE key_range;
117 DB_SEQUENCE *seq; 139 DB_SEQUENCE *seq;
118 db_seq_t seq_t; 140 db_seq_t seq_t;
119} aio_cb; 141} bdb_cb;
120 142
121typedef aio_cb *aio_req; 143typedef bdb_cb *bdb_req;
122 144
123enum { 145enum {
124 PRI_MIN = -4, 146 PRI_MIN = -4,
125 PRI_MAX = 4, 147 PRI_MAX = 4,
126 148
… …
143 165
144static int next_pri = DEFAULT_PRI + PRI_BIAS; 166static int next_pri = DEFAULT_PRI + PRI_BIAS;
145 167
146static unsigned int started, idle, wanted; 168static unsigned int started, idle, wanted;
147 169
148#if __linux && defined (PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP)
149# define AIO_MUTEX_INIT PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP
150#else
151# define AIO_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER
152#endif
153
154#define LOCK(mutex) pthread_mutex_lock (&(mutex))
155#define UNLOCK(mutex) pthread_mutex_unlock (&(mutex))
156
157/* worker threads management */ 170/* worker threads management */
158static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 171static mutex_t wrklock = X_MUTEX_INIT;
159 172
160typedef struct worker { 173typedef struct worker {
161 /* locked by wrklock */ 174 /* locked by wrklock */
162 struct worker *prev, *next; 175 struct worker *prev, *next;
163 176
164 pthread_t tid; 177 thread_t tid;
165 178
166 /* locked by reslock, reqlock or wrklock */ 179 /* locked by reslock, reqlock or wrklock */
167 aio_req req; /* currently processed request */ 180 bdb_req req; /* currently processed request */
168 void *dbuf; 181 void *dbuf;
169 DIR *dirp; 182 DIR *dirp;
170} worker; 183} worker;
171 184
172static worker wrk_first = { &wrk_first, &wrk_first, 0 }; 185static worker wrk_first = { &wrk_first, &wrk_first, 0 };
… …
184} 197}
185 198
186static volatile unsigned int nreqs, nready, npending; 199static volatile unsigned int nreqs, nready, npending;
187static volatile unsigned int max_idle = 4; 200static volatile unsigned int max_idle = 4;
188static volatile unsigned int max_outstanding = 0xffffffff; 201static volatile unsigned int max_outstanding = 0xffffffff;
189static int respipe [2]; 202static int respipe_osf [2], respipe [2] = { -1, -1 };
190 203
191static pthread_mutex_t reslock = AIO_MUTEX_INIT; 204static mutex_t reslock = X_MUTEX_INIT;
192static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 205static mutex_t reqlock = X_MUTEX_INIT;
193static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 206static cond_t reqwait = X_COND_INIT;
194 207
195#if WORDACCESS_UNSAFE 208#if WORDACCESS_UNSAFE
196 209
197static unsigned int get_nready () 210static unsigned int get_nready ()
198{ 211{
199 unsigned int retval; 212 unsigned int retval;
200 213
201 LOCK (reqlock); 214 X_LOCK (reqlock);
202 retval = nready; 215 retval = nready;
203 UNLOCK (reqlock); 216 X_UNLOCK (reqlock);
204 217
205 return retval; 218 return retval;
206} 219}
207 220
208static unsigned int get_npending () 221static unsigned int get_npending ()
209{ 222{
210 unsigned int retval; 223 unsigned int retval;
211 224
212 LOCK (reslock); 225 X_LOCK (reslock);
213 retval = npending; 226 retval = npending;
214 UNLOCK (reslock); 227 X_UNLOCK (reslock);
215 228
216 return retval; 229 return retval;
217} 230}
218 231
219static unsigned int get_nthreads () 232static unsigned int get_nthreads ()
220{ 233{
221 unsigned int retval; 234 unsigned int retval;
222 235
223 LOCK (wrklock); 236 X_LOCK (wrklock);
224 retval = started; 237 retval = started;
225 UNLOCK (wrklock); 238 X_UNLOCK (wrklock);
226 239
227 return retval; 240 return retval;
228} 241}
229 242
230#else 243#else
… …
239 * a somewhat faster data structure might be nice, but 252 * a somewhat faster data structure might be nice, but
240 * with 8 priorities this actually needs <20 insns 253 * with 8 priorities this actually needs <20 insns
241 * per shift, the most expensive operation. 254 * per shift, the most expensive operation.
242 */ 255 */
243typedef struct { 256typedef struct {
244 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ 257 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
245 int size; 258 int size;
246} reqq; 259} reqq;
247 260
248static reqq req_queue; 261static reqq req_queue;
249static reqq res_queue; 262static reqq res_queue;
250 263
251int reqq_push (reqq *q, aio_req req) 264int reqq_push (reqq *q, bdb_req req)
252{ 265{
253 int pri = req->pri; 266 int pri = req->pri;
254 req->next = 0; 267 req->next = 0;
255 268
256 if (q->qe[pri]) 269 if (q->qe[pri])
… …
262 q->qe[pri] = q->qs[pri] = req; 275 q->qe[pri] = q->qs[pri] = req;
263 276
264 return q->size++; 277 return q->size++;
265} 278}
266 279
267aio_req reqq_shift (reqq *q) 280bdb_req reqq_shift (reqq *q)
268{ 281{
269 int pri; 282 int pri;
270 283
271 if (!q->size) 284 if (!q->size)
272 return 0; 285 return 0;
273 286
274 --q->size; 287 --q->size;
275 288
276 for (pri = NUM_PRI; pri--; ) 289 for (pri = NUM_PRI; pri--; )
277 { 290 {
278 aio_req req = q->qs[pri]; 291 bdb_req req = q->qs[pri];
279 292
280 if (req) 293 if (req)
281 { 294 {
282 if (!(q->qs[pri] = req->next)) 295 if (!(q->qs[pri] = req->next))
283 q->qe[pri] = 0; 296 q->qe[pri] = 0;
… …
288 301
289 abort (); 302 abort ();
290} 303}
291 304
292static int poll_cb (); 305static int poll_cb ();
293static void req_free (aio_req req); 306static void req_free (bdb_req req);
294static void req_cancel (aio_req req); 307static void req_cancel (bdb_req req);
295 308
296static int req_invoke (aio_req req) 309static int req_invoke (bdb_req req)
297{ 310{
298 dSP; 311 dSP;
299 312
300 if (SvOK (req->callback)) 313 if (SvOK (req->callback))
301 { 314 {
… …
319 dbt_to_sv (req->sv1, &req->dbt1); 332 dbt_to_sv (req->sv1, &req->dbt1);
320 dbt_to_sv (req->sv2, &req->dbt2); 333 dbt_to_sv (req->sv2, &req->dbt2);
321 dbt_to_sv (req->sv3, &req->dbt3); 334 dbt_to_sv (req->sv3, &req->dbt3);
322 break; 335 break;
323 336
337 case REQ_DB_PUT:
338 case REQ_C_PUT:
339 dbt_to_sv (0, &req->dbt1);
340 dbt_to_sv (0, &req->dbt2);
341 break;
342
324 case REQ_DB_KEY_RANGE: 343 case REQ_DB_KEY_RANGE:
325 { 344 {
326 AV *av = newAV (); 345 AV *av = newAV ();
327 346
328 av_push (av, newSVnv (req->key_range.less)); 347 av_push (av, newSVnv (req->key_range.less));
… …
337 356
338 case REQ_SEQ_GET: 357 case REQ_SEQ_GET:
339 SvREADONLY_off (req->sv1); 358 SvREADONLY_off (req->sv1);
340 359
341 if (sizeof (IV) > 4) 360 if (sizeof (IV) > 4)
342 sv_setiv_mg (req->sv1, req->seq_t); 361 sv_setiv_mg (req->sv1, (IV)req->seq_t);
343 else 362 else
344 sv_setnv_mg (req->sv1, req->seq_t); 363 sv_setnv_mg (req->sv1, (NV)req->seq_t);
345 364
346 SvREFCNT_dec (req->sv1); 365 SvREFCNT_dec (req->sv1);
347 break; 366 break;
348 } 367 }
349 368
… …
358 } 377 }
359 378
360 return !SvTRUE (ERRSV); 379 return !SvTRUE (ERRSV);
361} 380}
362 381
363static void req_free (aio_req req) 382static void req_free (bdb_req req)
364{ 383{
365 free (req->buf1); 384 free (req->buf1);
366 free (req->buf2); 385 free (req->buf2);
367 Safefree (req); 386 Safefree (req);
368} 387}
369 388
370static void *aio_proc (void *arg); 389#ifdef USE_SOCKETS_AS_HANDLES
390# define TO_SOCKET(x) (win32_get_osfhandle (x))
391#else
392# define TO_SOCKET(x) (x)
393#endif
394
395static void
396create_respipe ()
397{
398#ifdef _WIN32
399 int arg; /* argg */
400#endif
401 int old_readfd = respipe [0];
402
403 if (respipe [1] >= 0)
404 respipe_close (TO_SOCKET (respipe [1]));
405
406#ifdef _WIN32
407 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
408#else
409 if (pipe (respipe))
410#endif
411 croak ("unable to initialize result pipe");
412
413 if (old_readfd >= 0)
414 {
415 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
416 croak ("unable to initialize result pipe(2)");
417
418 respipe_close (respipe [0]);
419 respipe [0] = old_readfd;
420 }
421
422#ifdef _WIN32
423 arg = 1;
424 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
425 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
426#else
427 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
428 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
429#endif
430 croak ("unable to initialize result pipe(3)");
431
432 respipe_osf [0] = TO_SOCKET (respipe [0]);
433 respipe_osf [1] = TO_SOCKET (respipe [1]);
434}
435
436X_THREAD_PROC (bdb_proc);
371 437
372static void start_thread (void) 438static void start_thread (void)
373{ 439{
374 sigset_t fullsigset, oldsigset;
375 pthread_attr_t attr;
376
377 worker *wrk = calloc (1, sizeof (worker)); 440 worker *wrk = calloc (1, sizeof (worker));
378 441
379 if (!wrk) 442 if (!wrk)
380 croak ("unable to allocate worker thread data"); 443 croak ("unable to allocate worker thread data");
381 444
382 pthread_attr_init (&attr);
383 pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_DETACHED);
384#ifdef PTHREAD_SCOPE_PROCESS
385 pthread_attr_setscope (&attr, PTHREAD_SCOPE_PROCESS);
386#endif
387
388 sigfillset (&fullsigset);
389
390 LOCK (wrklock); 445 X_LOCK (wrklock);
391 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
392
393 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 446 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
394 { 447 {
395 wrk->prev = &wrk_first; 448 wrk->prev = &wrk_first;
396 wrk->next = wrk_first.next; 449 wrk->next = wrk_first.next;
397 wrk_first.next->prev = wrk; 450 wrk_first.next->prev = wrk;
398 wrk_first.next = wrk; 451 wrk_first.next = wrk;
399 ++started; 452 ++started;
400 } 453 }
401 else 454 else
402 free (wrk); 455 free (wrk);
403 456
404 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
405 UNLOCK (wrklock); 457 X_UNLOCK (wrklock);
406} 458}
407 459
408static void maybe_start_thread () 460static void maybe_start_thread ()
409{ 461{
410 if (get_nthreads () >= wanted) 462 if (get_nthreads () >= wanted)
… …
415 return; 467 return;
416 468
417 start_thread (); 469 start_thread ();
418} 470}
419 471
420static void req_send (aio_req req) 472static void req_send (bdb_req req)
421{ 473{
422 SV *wait_callback = 0; 474 SV *wait_callback = 0;
423 475
424 // synthesize callback if none given 476 // synthesize callback if none given
425 if (!SvOK (req->callback)) 477 if (!SvOK (req->callback))
426 { 478 {
479 int count;
480
427 dSP; 481 dSP;
428 PUSHMARK (SP); 482 PUSHMARK (SP);
429 PUTBACK; 483 PUTBACK;
430 int count = call_sv (prepare_cb, G_ARRAY); 484 count = call_sv (prepare_cb, G_ARRAY);
431 SPAGAIN; 485 SPAGAIN;
432 486
433 if (count != 2) 487 if (count != 2)
434 croak ("prepare callback must return exactly two values\n"); 488 croak ("prepare callback must return exactly two values\n");
435 489
436 wait_callback = SvREFCNT_inc (POPs); 490 wait_callback = POPs;
437 SvREFCNT_dec (req->callback); 491 SvREFCNT_dec (req->callback);
438 req->callback = SvREFCNT_inc (POPs); 492 req->callback = SvREFCNT_inc (POPs);
439 } 493 }
440 494
441 ++nreqs; 495 ++nreqs;
442 496
443 LOCK (reqlock); 497 X_LOCK (reqlock);
444 ++nready; 498 ++nready;
445 reqq_push (&req_queue, req); 499 reqq_push (&req_queue, req);
446 pthread_cond_signal (&reqwait); 500 X_COND_SIGNAL (reqwait);
447 UNLOCK (reqlock); 501 X_UNLOCK (reqlock);
448 502
449 maybe_start_thread (); 503 maybe_start_thread ();
450 504
451 if (wait_callback) 505 if (wait_callback)
452 { 506 {
453 dSP; 507 dSP;
454 PUSHMARK (SP); 508 PUSHMARK (SP);
455 PUTBACK; 509 PUTBACK;
456 call_sv (wait_callback, G_DISCARD); 510 call_sv (wait_callback, G_DISCARD);
457 SvREFCNT_dec (wait_callback);
458 } 511 }
459} 512}
460 513
461static void end_thread (void) 514static void end_thread (void)
462{ 515{
463 aio_req req; 516 bdb_req req;
464 517
465 Newz (0, req, 1, aio_cb); 518 Newz (0, req, 1, bdb_cb);
466 519
467 req->type = REQ_QUIT; 520 req->type = REQ_QUIT;
468 req->pri = PRI_MAX + PRI_BIAS; 521 req->pri = PRI_MAX + PRI_BIAS;
469 522
470 LOCK (reqlock); 523 X_LOCK (reqlock);
471 reqq_push (&req_queue, req); 524 reqq_push (&req_queue, req);
472 pthread_cond_signal (&reqwait); 525 X_COND_SIGNAL (reqwait);
473 UNLOCK (reqlock); 526 X_UNLOCK (reqlock);
474 527
475 LOCK (wrklock); 528 X_LOCK (wrklock);
476 --started; 529 --started;
477 UNLOCK (wrklock); 530 X_UNLOCK (wrklock);
478} 531}
479 532
480static void set_max_idle (int nthreads) 533static void set_max_idle (int nthreads)
481{ 534{
482 if (WORDACCESS_UNSAFE) LOCK (reqlock); 535 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
483 max_idle = nthreads <= 0 ? 1 : nthreads; 536 max_idle = nthreads <= 0 ? 1 : nthreads;
484 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 537 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
485} 538}
486 539
487static void min_parallel (int nthreads) 540static void min_parallel (int nthreads)
488{ 541{
489 if (wanted < nthreads) 542 if (wanted < nthreads)
… …
504 fd_set rfd; 557 fd_set rfd;
505 558
506 while (nreqs) 559 while (nreqs)
507 { 560 {
508 int size; 561 int size;
509 if (WORDACCESS_UNSAFE) LOCK (reslock); 562 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
510 size = res_queue.size; 563 size = res_queue.size;
511 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 564 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
512 565
513 if (size) 566 if (size)
514 return; 567 return;
515 568
516 maybe_start_thread (); 569 maybe_start_thread ();
517 570
518 FD_ZERO(&rfd); 571 FD_ZERO (&rfd);
519 FD_SET(respipe [0], &rfd); 572 FD_SET (respipe [0], &rfd);
520 573
521 select (respipe [0] + 1, &rfd, 0, 0, 0); 574 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
522 } 575 }
523} 576}
524 577
525static int poll_cb () 578static int poll_cb ()
526{ 579{
527 dSP; 580 dSP;
528 int count = 0; 581 int count = 0;
529 int maxreqs = max_poll_reqs; 582 int maxreqs = max_poll_reqs;
530 int do_croak = 0; 583 int do_croak = 0;
531 struct timeval tv_start, tv_now; 584 struct timeval tv_start, tv_now;
532 aio_req req; 585 bdb_req req;
533 586
534 if (max_poll_time) 587 if (max_poll_time)
535 gettimeofday (&tv_start, 0); 588 gettimeofday (&tv_start, 0);
536 589
537 for (;;) 590 for (;;)
538 { 591 {
539 for (;;) 592 for (;;)
540 { 593 {
541 maybe_start_thread (); 594 maybe_start_thread ();
542 595
543 LOCK (reslock); 596 X_LOCK (reslock);
544 req = reqq_shift (&res_queue); 597 req = reqq_shift (&res_queue);
545 598
546 if (req) 599 if (req)
547 { 600 {
548 --npending; 601 --npending;
549 602
550 if (!res_queue.size) 603 if (!res_queue.size)
551 { 604 {
552 /* read any signals sent by the worker threads */ 605 /* read any signals sent by the worker threads */
553 char buf [4]; 606 char buf [4];
554 while (read (respipe [0], buf, 4) == 4) 607 while (respipe_read (respipe [0], buf, 4) == 4)
555 ; 608 ;
556 } 609 }
557 } 610 }
558 611
559 UNLOCK (reslock); 612 X_UNLOCK (reslock);
560 613
561 if (!req) 614 if (!req)
562 break; 615 break;
563 616
564 --nreqs; 617 --nreqs;
… …
594 } 647 }
595 648
596 return count; 649 return count;
597} 650}
598 651
599static void create_pipe ()
600{
601 if (pipe (respipe))
602 croak ("unable to initialize result pipe");
603
604 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK))
605 croak ("cannot set result pipe to nonblocking mode");
606
607 if (fcntl (respipe [1], F_SETFL, O_NONBLOCK))
608 croak ("cannot set result pipe to nonblocking mode");
609}
610
611/*****************************************************************************/ 652/*****************************************************************************/
612 653
613static void *aio_proc (void *thr_arg) 654X_THREAD_PROC (bdb_proc)
614{ 655{
615 aio_req req; 656 bdb_req req;
616 struct timespec ts; 657 struct timespec ts;
617 worker *self = (worker *)thr_arg; 658 worker *self = (worker *)thr_arg;
618 659
619 /* try to distribute timeouts somewhat evenly */ 660 /* try to distribute timeouts somewhat evenly */
620 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 661 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
621 * (1000000000UL / 1024UL);
622 662
623 for (;;) 663 for (;;)
624 { 664 {
625 ts.tv_sec = time (0) + IDLE_TIMEOUT; 665 ts.tv_sec = time (0) + IDLE_TIMEOUT;
626 666
627 LOCK (reqlock); 667 X_LOCK (reqlock);
628 668
629 for (;;) 669 for (;;)
630 { 670 {
631 self->req = req = reqq_shift (&req_queue); 671 self->req = req = reqq_shift (&req_queue);
632 672
633 if (req) 673 if (req)
634 break; 674 break;
635 675
636 ++idle; 676 ++idle;
637 677
638 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 678 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
639 == ETIMEDOUT) 679 == ETIMEDOUT)
640 { 680 {
641 if (idle > max_idle) 681 if (idle > max_idle)
642 { 682 {
643 --idle; 683 --idle;
644 UNLOCK (reqlock); 684 X_UNLOCK (reqlock);
645 LOCK (wrklock); 685 X_LOCK (wrklock);
646 --started; 686 --started;
647 UNLOCK (wrklock); 687 X_UNLOCK (wrklock);
648 goto quit; 688 goto quit;
649 } 689 }
650 690
651 /* we are allowed to idle, so do so without any timeout */ 691 /* we are allowed to idle, so do so without any timeout */
652 pthread_cond_wait (&reqwait, &reqlock); 692 X_COND_WAIT (reqwait, reqlock);
653 ts.tv_sec = time (0) + IDLE_TIMEOUT; 693 ts.tv_sec = time (0) + IDLE_TIMEOUT;
654 } 694 }
655 695
656 --idle; 696 --idle;
657 } 697 }
658 698
659 --nready; 699 --nready;
660 700
661 UNLOCK (reqlock); 701 X_UNLOCK (reqlock);
662 702
663 switch (req->type) 703 switch (req->type)
664 { 704 {
665 case REQ_QUIT: 705 case REQ_QUIT:
706 req->result = ENOSYS;
666 goto quit; 707 goto quit;
667 708
668 case REQ_ENV_OPEN: 709 case REQ_ENV_OPEN:
669 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 710 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
670 break; 711 break;
… …
703 744
704 case REQ_DB_SYNC: 745 case REQ_DB_SYNC:
705 req->result = req->db->sync (req->db, req->uint1); 746 req->result = req->db->sync (req->db, req->uint1);
706 break; 747 break;
707 748
749 case REQ_DB_UPGRADE:
750 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
751 break;
752
708 case REQ_DB_PUT: 753 case REQ_DB_PUT:
709 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); 754 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
710 break; 755 break;
711 756
712 case REQ_DB_GET: 757 case REQ_DB_GET:
… …
729 req->result = req->txn->commit (req->txn, req->uint1); 774 req->result = req->txn->commit (req->txn, req->uint1);
730 break; 775 break;
731 776
732 case REQ_TXN_ABORT: 777 case REQ_TXN_ABORT:
733 req->result = req->txn->abort (req->txn); 778 req->result = req->txn->abort (req->txn);
779 break;
780
781 case REQ_TXN_FINISH:
782 if (req->txn->flags & TXN_DEADLOCK)
783 {
784 req->result = req->txn->abort (req->txn);
785 if (!req->result)
786 req->result = DB_LOCK_DEADLOCK;
787 }
788 else
789 req->result = req->txn->commit (req->txn, req->uint1);
734 break; 790 break;
735 791
736 case REQ_C_CLOSE: 792 case REQ_C_CLOSE:
737 req->result = req->dbc->c_close (req->dbc); 793 req->result = req->dbc->c_close (req->dbc);
738 break; 794 break;
… …
780 default: 836 default:
781 req->result = ENOSYS; 837 req->result = ENOSYS;
782 break; 838 break;
783 } 839 }
784 840
841 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
842 req->txn->flags |= TXN_DEADLOCK;
843
785 LOCK (reslock); 844 X_LOCK (reslock);
786 845
787 ++npending; 846 ++npending;
788 847
789 if (!reqq_push (&res_queue, req)) 848 if (!reqq_push (&res_queue, req))
790 /* write a dummy byte to the pipe so fh becomes ready */ 849 /* write a dummy byte to the pipe so fh becomes ready */
791 write (respipe [1], &respipe, 1); 850 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
792 851
793 self->req = 0; 852 self->req = 0;
794 worker_clear (self); 853 worker_clear (self);
795 854
796 UNLOCK (reslock); 855 X_UNLOCK (reslock);
797 } 856 }
798 857
799quit: 858quit:
800 LOCK (wrklock); 859 X_LOCK (wrklock);
801 worker_free (self); 860 worker_free (self);
802 UNLOCK (wrklock); 861 X_UNLOCK (wrklock);
803 862
804 return 0; 863 return 0;
805} 864}
806 865
807/*****************************************************************************/ 866/*****************************************************************************/
808 867
809static void atfork_prepare (void) 868static void atfork_prepare (void)
810{ 869{
811 LOCK (wrklock); 870 X_LOCK (wrklock);
812 LOCK (reqlock); 871 X_LOCK (reqlock);
813 LOCK (reslock); 872 X_LOCK (reslock);
814} 873}
815 874
816static void atfork_parent (void) 875static void atfork_parent (void)
817{ 876{
818 UNLOCK (reslock); 877 X_UNLOCK (reslock);
819 UNLOCK (reqlock); 878 X_UNLOCK (reqlock);
820 UNLOCK (wrklock); 879 X_UNLOCK (wrklock);
821} 880}
822 881
823static void atfork_child (void) 882static void atfork_child (void)
824{ 883{
825 aio_req prv; 884 bdb_req prv;
826 885
827 while (prv = reqq_shift (&req_queue)) 886 while (prv = reqq_shift (&req_queue))
828 req_free (prv); 887 req_free (prv);
829 888
830 while (prv = reqq_shift (&res_queue)) 889 while (prv = reqq_shift (&res_queue))
… …
845 idle = 0; 904 idle = 0;
846 nreqs = 0; 905 nreqs = 0;
847 nready = 0; 906 nready = 0;
848 npending = 0; 907 npending = 0;
849 908
850 close (respipe [0]);
851 close (respipe [1]);
852 create_pipe (); 909 create_respipe ();
853 910
854 atfork_parent (); 911 atfork_parent ();
855} 912}
856 913
857#define dREQ(reqtype) \ 914#define dREQ(reqtype) \
858 aio_req req; \ 915 bdb_req req; \
859 int req_pri = next_pri; \ 916 int req_pri = next_pri; \
860 next_pri = DEFAULT_PRI + PRI_BIAS; \ 917 next_pri = DEFAULT_PRI + PRI_BIAS; \
861 \ 918 \
862 if (SvOK (callback) && !SvROK (callback)) \ 919 if (SvOK (callback) && !SvROK (callback)) \
863 croak ("callback must be undef or of reference type"); \ 920 croak ("callback must be undef or of reference type"); \
864 \ 921 \
865 Newz (0, req, 1, aio_cb); \ 922 Newz (0, req, 1, bdb_cb); \
866 if (!req) \ 923 if (!req) \
867 croak ("out of memory during aio_req allocation"); \ 924 croak ("out of memory during bdb_req allocation"); \
868 \ 925 \
869 req->callback = newSVsv (callback); \ 926 req->callback = newSVsv (callback); \
870 req->type = (reqtype); \ 927 req->type = (reqtype); \
871 req->pri = req_pri 928 req->pri = req_pri
872 929
873#define REQ_SEND \ 930#define REQ_SEND \
874 req_send (req) 931 req_send (req)
875 932
876#define SvPTR(var, arg, type, class, nullok) \ 933#define SvPTR(var, arg, type, class, nullok) \
877 if (!SvOK (arg)) \ 934 if (!SvOK (arg)) \
878 { \ 935 { \
879 if (!nullok) \ 936 if (nullok != 1) \
880 croak (# var " must be a " # class " object, not undef"); \ 937 croak (# var " must be a " # class " object, not undef"); \
881 \ 938 \
882 (var) = 0; \ 939 (var) = 0; \
883 } \ 940 } \
884 else if (sv_derived_from ((arg), # class)) \ 941 else if (sv_derived_from ((arg), # class)) \
885 { \ 942 { \
886 IV tmp = SvIV ((SV*) SvRV (arg)); \ 943 IV tmp = SvIV ((SV*) SvRV (arg)); \
887 (var) = INT2PTR (type, tmp); \ 944 (var) = INT2PTR (type, tmp); \
888 if (!var) \ 945 if (!var && nullok != 2) \
889 croak (# var " is not a valid " # class " object anymore"); \ 946 croak (# var " is not a valid " # class " object anymore"); \
890 } \ 947 } \
891 else \ 948 else \
892 croak (# var " is not of type " # class); \ 949 croak (# var " is not of type " # class); \
893 \ 950 \
… …
895static void 952static void
896ptr_nuke (SV *sv) 953ptr_nuke (SV *sv)
897{ 954{
898 assert (SvROK (sv)); 955 assert (SvROK (sv));
899 sv_setiv (SvRV (sv), 0); 956 sv_setiv (SvRV (sv), 0);
957}
958
959static int
960errno_get (pTHX_ SV *sv, MAGIC *mg)
961{
962 if (*mg->mg_ptr == '!') // should always be the case
963 if (-30999 <= errno && errno <= -30800)
964 {
965 sv_setnv (sv, (NV)errno);
966 sv_setpv (sv, db_strerror (errno));
967 SvNOK_on (sv); /* what a wonderful hack! */
968 // ^^^ copied from perl sources
969 return 0;
970 }
971
972 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
973}
974
975static MGVTBL vtbl_errno;
976
977// this wonderful hack :( patches perl's $! variable to support our errno values
978static void
979patch_errno (void)
980{
981 SV *sv;
982 MAGIC *mg;
983
984 if (!(sv = get_sv ("!", 1)))
985 return;
986
987 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
988 return;
989
990 if (mg->mg_virtual != &PL_vtbl_sv)
991 return;
992
993 vtbl_errno = PL_vtbl_sv;
994 vtbl_errno.svt_get = errno_get;
995 mg->mg_virtual = &vtbl_errno;
900} 996}
901 997
902MODULE = BDB PACKAGE = BDB 998MODULE = BDB PACKAGE = BDB
903 999
904PROTOTYPES: ENABLE 1000PROTOTYPES: ENABLE
… …
921 const_iv (INIT_TXN) 1017 const_iv (INIT_TXN)
922 const_iv (RECOVER) 1018 const_iv (RECOVER)
923 const_iv (INIT_TXN) 1019 const_iv (INIT_TXN)
924 const_iv (RECOVER_FATAL) 1020 const_iv (RECOVER_FATAL)
925 const_iv (CREATE) 1021 const_iv (CREATE)
1022 const_iv (RDONLY)
926 const_iv (USE_ENVIRON) 1023 const_iv (USE_ENVIRON)
927 const_iv (USE_ENVIRON_ROOT) 1024 const_iv (USE_ENVIRON_ROOT)
928 const_iv (LOCKDOWN) 1025 const_iv (LOCKDOWN)
929 const_iv (PRIVATE) 1026 const_iv (PRIVATE)
930 const_iv (REGISTER) 1027 const_iv (REGISTER)
… …
936 const_iv (DSYNC_DB) 1033 const_iv (DSYNC_DB)
937 const_iv (DSYNC_LOG) 1034 const_iv (DSYNC_LOG)
938 const_iv (LOG_AUTOREMOVE) 1035 const_iv (LOG_AUTOREMOVE)
939 const_iv (LOG_INMEMORY) 1036 const_iv (LOG_INMEMORY)
940 const_iv (NOLOCKING) 1037 const_iv (NOLOCKING)
941 const_iv (MULTIVERSION)
942 const_iv (NOMMAP) 1038 const_iv (NOMMAP)
943 const_iv (NOPANIC) 1039 const_iv (NOPANIC)
944 const_iv (OVERWRITE) 1040 const_iv (OVERWRITE)
945 const_iv (PANIC_ENVIRONMENT) 1041 const_iv (PANIC_ENVIRONMENT)
946 const_iv (REGION_INIT) 1042 const_iv (REGION_INIT)
947 const_iv (TIME_NOTGRANTED) 1043 const_iv (TIME_NOTGRANTED)
948 const_iv (TXN_NOSYNC) 1044 const_iv (TXN_NOSYNC)
949 const_iv (TXN_SNAPSHOT) 1045 const_iv (TXN_NOT_DURABLE)
950 const_iv (TXN_WRITE_NOSYNC) 1046 const_iv (TXN_WRITE_NOSYNC)
951 const_iv (WRITECURSOR) 1047 const_iv (WRITECURSOR)
952 const_iv (YIELDCPU) 1048 const_iv (YIELDCPU)
953 const_iv (ENCRYPT_AES) 1049 const_iv (ENCRYPT_AES)
954 const_iv (XA_CREATE) 1050 const_iv (XA_CREATE)
… …
962 const_iv (READ_UNCOMMITTED) 1058 const_iv (READ_UNCOMMITTED)
963 const_iv (TRUNCATE) 1059 const_iv (TRUNCATE)
964 const_iv (NOSYNC) 1060 const_iv (NOSYNC)
965 const_iv (CHKSUM) 1061 const_iv (CHKSUM)
966 const_iv (ENCRYPT) 1062 const_iv (ENCRYPT)
967 const_iv (TXN_NOT_DURABLE)
968 const_iv (DUP) 1063 const_iv (DUP)
969 const_iv (DUPSORT) 1064 const_iv (DUPSORT)
970 const_iv (RECNUM) 1065 const_iv (RECNUM)
971 const_iv (RENUMBER) 1066 const_iv (RENUMBER)
972 const_iv (REVSPLITOFF) 1067 const_iv (REVSPLITOFF)
… …
977 const_iv (GET_BOTH_RANGE) 1072 const_iv (GET_BOTH_RANGE)
978 //const_iv (SET_RECNO) 1073 //const_iv (SET_RECNO)
979 //const_iv (MULTIPLE) 1074 //const_iv (MULTIPLE)
980 const_iv (SNAPSHOT) 1075 const_iv (SNAPSHOT)
981 const_iv (JOIN_ITEM) 1076 const_iv (JOIN_ITEM)
1077 const_iv (JOIN_NOSORT)
982 const_iv (RMW) 1078 const_iv (RMW)
983 1079
984 const_iv (NOTFOUND) 1080 const_iv (NOTFOUND)
985 const_iv (KEYEMPTY) 1081 const_iv (KEYEMPTY)
986 const_iv (LOCK_DEADLOCK) 1082 const_iv (LOCK_DEADLOCK)
… …
997 const_iv (APPEND) 1093 const_iv (APPEND)
998 const_iv (NODUPDATA) 1094 const_iv (NODUPDATA)
999 const_iv (NOOVERWRITE) 1095 const_iv (NOOVERWRITE)
1000 1096
1001 const_iv (TXN_NOWAIT) 1097 const_iv (TXN_NOWAIT)
1002 const_iv (TXN_SNAPSHOT)
1003 const_iv (TXN_SYNC) 1098 const_iv (TXN_SYNC)
1004 1099
1005 const_iv (SET_LOCK_TIMEOUT) 1100 const_iv (SET_LOCK_TIMEOUT)
1006 const_iv (SET_TXN_TIMEOUT) 1101 const_iv (SET_TXN_TIMEOUT)
1007 1102
1008 const_iv (JOIN_ITEM)
1009 const_iv (FIRST) 1103 const_iv (FIRST)
1010 const_iv (NEXT) 1104 const_iv (NEXT)
1011 const_iv (NEXT_DUP) 1105 const_iv (NEXT_DUP)
1012 const_iv (NEXT_NODUP) 1106 const_iv (NEXT_NODUP)
1013 const_iv (PREV) 1107 const_iv (PREV)
… …
1035 const_iv (LOCK_YOUNGEST) 1129 const_iv (LOCK_YOUNGEST)
1036 1130
1037 const_iv (SEQ_DEC) 1131 const_iv (SEQ_DEC)
1038 const_iv (SEQ_INC) 1132 const_iv (SEQ_INC)
1039 const_iv (SEQ_WRAP) 1133 const_iv (SEQ_WRAP)
1134
1135 const_iv (BUFFER_SMALL)
1136 const_iv (DONOTINDEX)
1137 const_iv (KEYEMPTY )
1138 const_iv (KEYEXIST )
1139 const_iv (LOCK_DEADLOCK)
1140 const_iv (LOCK_NOTGRANTED)
1141 const_iv (LOG_BUFFER_FULL)
1142 const_iv (NOSERVER)
1143 const_iv (NOSERVER_HOME)
1144 const_iv (NOSERVER_ID)
1145 const_iv (NOTFOUND)
1146 const_iv (PAGE_NOTFOUND)
1147 const_iv (REP_DUPMASTER)
1148 const_iv (REP_HANDLE_DEAD)
1149 const_iv (REP_HOLDELECTION)
1150 const_iv (REP_IGNORE)
1151 const_iv (REP_ISPERM)
1152 const_iv (REP_JOIN_FAILURE)
1153 const_iv (REP_LOCKOUT)
1154 const_iv (REP_NEWMASTER)
1155 const_iv (REP_NEWSITE)
1156 const_iv (REP_NOTPERM)
1157 const_iv (REP_UNAVAIL)
1158 const_iv (RUNRECOVERY)
1159 const_iv (SECONDARY_BAD)
1160 const_iv (VERIFY_BAD)
1161 const_iv (VERSION_MISMATCH)
1162
1163 const_iv (VERB_DEADLOCK)
1164 const_iv (VERB_RECOVERY)
1165 const_iv (VERB_REGISTER)
1166 const_iv (VERB_REPLICATION)
1167 const_iv (VERB_WAITSFOR)
1168
1169 const_iv (VERSION_MAJOR)
1170 const_iv (VERSION_MINOR)
1171 const_iv (VERSION_PATCH)
1172#if DB_VERSION_MINOR >= 5
1173 const_iv (MULTIVERSION)
1174 const_iv (TXN_SNAPSHOT)
1175#endif
1176#if DB_VERSION_MINOR >= 6
1177 const_iv (PREV_DUP)
1178 const_iv (PRIORITY_UNCHANGED)
1179 const_iv (PRIORITY_VERY_LOW)
1180 const_iv (PRIORITY_LOW)
1181 const_iv (PRIORITY_DEFAULT)
1182 const_iv (PRIORITY_HIGH)
1183 const_iv (PRIORITY_VERY_HIGH)
1184#endif
1040 }; 1185 };
1041 1186
1042 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1187 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1043 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1188 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1044 1189
1045 create_pipe (); 1190 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1191 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1192
1193 create_respipe ();
1194
1046 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1195 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1196#ifdef _WIN32
1197 X_MUTEX_CHECK (wrklock);
1198 X_MUTEX_CHECK (reslock);
1199 X_MUTEX_CHECK (reqlock);
1200
1201 X_COND_CHECK (reqwait);
1202#endif
1203 patch_errno ();
1047} 1204}
1048 1205
1049void 1206void
1050max_poll_reqs (int nreqs) 1207max_poll_reqs (int nreqs)
1051 PROTOTYPE: $ 1208 PROTOTYPE: $
… …
1170 1327
1171int 1328int
1172nthreads () 1329nthreads ()
1173 PROTOTYPE: 1330 PROTOTYPE:
1174 CODE: 1331 CODE:
1175 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1332 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1176 RETVAL = started; 1333 RETVAL = started;
1177 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1334 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1178 OUTPUT: 1335 OUTPUT:
1179 RETVAL 1336 RETVAL
1180 1337
1181void 1338void
1182set_sync_prepare (SV *cb) 1339set_sync_prepare (SV *cb)
1183 PROTOTYPE: & 1340 PROTOTYPE: &
1184 CODE: 1341 CODE:
1185 SvREFCNT_dec (prepare_cb); 1342 SvREFCNT_dec (prepare_cb);
1186 prepare_cb = newSVsv (cb); 1343 prepare_cb = newSVsv (cb);
1187 1344
1345char *
1346strerror (int errorno = errno)
1347 PROTOTYPE: ;$
1348 CODE:
1349 RETVAL = db_strerror (errorno);
1350 OUTPUT:
1351 RETVAL
1188 1352
1189DB_ENV * 1353DB_ENV *
1190db_env_create (U32 env_flags = 0) 1354db_env_create (U32 env_flags = 0)
1191 CODE: 1355 CODE:
1192{ 1356{
1193 errno = db_env_create (&RETVAL, env_flags); 1357 errno = db_env_create (&RETVAL, env_flags);
1194 if (errno) 1358 if (errno)
1195 croak ("db_env_create: %s", db_strerror (errno)); 1359 croak ("db_env_create: %s", db_strerror (errno));
1360
1361 if (0)
1362 {
1363 RETVAL->set_errcall (RETVAL, debug_errcall);
1364 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1365 }
1196} 1366}
1197 OUTPUT: 1367 OUTPUT:
1198 RETVAL 1368 RETVAL
1199 1369
1200void 1370void
1201db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1371db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1202 CODE: 1372 CODE:
1203{ 1373{
1204 env->set_thread_count (env, get_nthreads ());
1205
1206 dREQ (REQ_ENV_OPEN); 1374 dREQ (REQ_ENV_OPEN);
1375
1207 req->env = env; 1376 req->env = env;
1208 req->uint1 = open_flags | DB_THREAD; 1377 req->uint1 = open_flags | DB_THREAD;
1209 req->int1 = mode; 1378 req->int1 = mode;
1210 req->buf1 = strdup_ornull (db_home); 1379 req->buf1 = strdup_ornull (db_home);
1211 REQ_SEND; 1380 REQ_SEND;
… …
1278} 1447}
1279 OUTPUT: 1448 OUTPUT:
1280 RETVAL 1449 RETVAL
1281 1450
1282void 1451void
1283db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) 1452db_open (DB *db, DB_TXN_ornull *txnid, bdb_filename file, bdb_filename database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef)
1284 CODE: 1453 CODE:
1285{ 1454{
1286 dREQ (REQ_DB_OPEN); 1455 dREQ (REQ_DB_OPEN);
1287 req->db = db; 1456 req->db = db;
1288 req->txn = txnid; 1457 req->txn = txnid;
… …
1328 req->uint1 = flags; 1497 req->uint1 = flags;
1329 REQ_SEND; 1498 REQ_SEND;
1330} 1499}
1331 1500
1332void 1501void
1502db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
1503 CODE:
1504{
1505 dREQ (REQ_DB_SYNC);
1506 req->db = db;
1507 req->buf1 = strdup (file);
1508 req->uint1 = flags;
1509 REQ_SEND;
1510}
1511
1512void
1333db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) 1513db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1334 CODE: 1514 CODE:
1335{ 1515{
1336 dREQ (REQ_DB_KEY_RANGE); 1516 dREQ (REQ_DB_KEY_RANGE);
1337 req->db = db; 1517 req->db = db;
… …
1356} 1536}
1357 1537
1358void 1538void
1359db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1539db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1360 CODE: 1540 CODE:
1541 if (SvREADONLY (data))
1542 croak ("can't modify read-only data scalar in db_get");
1361{ 1543{
1362 dREQ (REQ_DB_GET); 1544 dREQ (REQ_DB_GET);
1363 req->db = db; 1545 req->db = db;
1364 req->txn = txn; 1546 req->txn = txn;
1365 req->uint1 = flags; 1547 req->uint1 = flags;
… …
1370} 1552}
1371 1553
1372void 1554void
1373db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1555db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1374 CODE: 1556 CODE:
1557 if (SvREADONLY (data))
1558 croak ("can't modify read-only data scalar in db_pget");
1375{ 1559{
1376 dREQ (REQ_DB_PGET); 1560 dREQ (REQ_DB_PGET);
1377 req->db = db; 1561 req->db = db;
1378 req->txn = txn; 1562 req->txn = txn;
1379 req->uint1 = flags; 1563 req->uint1 = flags;
… …
1416 REQ_SEND; 1600 REQ_SEND;
1417 ptr_nuke (ST (0)); 1601 ptr_nuke (ST (0));
1418} 1602}
1419 1603
1420void 1604void
1605db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1606 CODE:
1607{
1608 dREQ (REQ_TXN_FINISH);
1609 req->txn = txn;
1610 req->uint1 = flags;
1611 REQ_SEND;
1612 ptr_nuke (ST (0));
1613}
1614
1615void
1421db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1616db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1422 CODE: 1617 CODE:
1423{ 1618{
1424 dREQ (REQ_C_CLOSE); 1619 dREQ (REQ_C_CLOSE);
1425 req->dbc = dbc; 1620 req->dbc = dbc;
… …
1562 1757
1563 1758
1564MODULE = BDB PACKAGE = BDB::Env 1759MODULE = BDB PACKAGE = BDB::Env
1565 1760
1566void 1761void
1567DESTROY (DB_ENV_ornull *env) 1762DESTROY (DB_ENV_ornuked *env)
1568 CODE: 1763 CODE:
1569 if (env) 1764 if (env)
1570 env->close (env, 0); 1765 env->close (env, 0);
1571 1766
1572int set_data_dir (DB_ENV *env, const char *dir) 1767int set_data_dir (DB_ENV *env, const char *dir)
… …
1597 CODE: 1792 CODE:
1598 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1793 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1599 OUTPUT: 1794 OUTPUT:
1600 RETVAL 1795 RETVAL
1601 1796
1602int set_flags (DB_ENV *env, U32 flags, int onoff) 1797int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1603 CODE: 1798 CODE:
1604 RETVAL = env->set_flags (env, flags, onoff); 1799 RETVAL = env->set_flags (env, flags, onoff);
1605 OUTPUT: 1800 OUTPUT:
1606 RETVAL 1801 RETVAL
1607 1802
1803void set_errfile (DB_ENV *env, FILE *errfile = 0)
1804 CODE:
1805 env->set_errfile (env, errfile);
1806
1807void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1808 CODE:
1809 env->set_msgfile (env, msgfile);
1810
1811int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1812 CODE:
1813 RETVAL = env->set_verbose (env, which, onoff);
1814 OUTPUT:
1815 RETVAL
1816
1608int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1817int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1609 CODE: 1818 CODE:
1610 RETVAL = env->set_encrypt (env, password, flags); 1819 RETVAL = env->set_encrypt (env, password, flags);
1611 OUTPUT: 1820 OUTPUT:
1612 RETVAL 1821 RETVAL
1613 1822
1614int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1823int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1615 CODE: 1824 CODE:
1616 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1825 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1617 OUTPUT: 1826 OUTPUT:
1618 RETVAL 1827 RETVAL
1619 1828
… …
1667 1876
1668int set_lg_max (DB_ENV *env, U32 max) 1877int set_lg_max (DB_ENV *env, U32 max)
1669 CODE: 1878 CODE:
1670 RETVAL = env->set_lg_max (env, max); 1879 RETVAL = env->set_lg_max (env, max);
1671 OUTPUT: 1880 OUTPUT:
1881 RETVAL
1882
1883int mutex_set_max (DB_ENV *env, U32 max)
1884 CODE:
1885 RETVAL = env->mutex_set_max (env, max);
1886 OUTPUT:
1887 RETVAL
1888
1889int mutex_set_increment (DB_ENV *env, U32 increment)
1890 CODE:
1891 RETVAL = env->mutex_set_increment (env, increment);
1892 OUTPUT:
1893 RETVAL
1894
1895int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1896 CODE:
1897 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1898 OUTPUT:
1899 RETVAL
1900
1901int mutex_set_align (DB_ENV *env, U32 align)
1902 CODE:
1903 RETVAL = env->mutex_set_align (env, align);
1904 OUTPUT:
1672 RETVAL 1905 RETVAL
1673 1906
1674DB_TXN * 1907DB_TXN *
1675txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1908txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1676 CODE: 1909 CODE:
… …
1681 RETVAL 1914 RETVAL
1682 1915
1683MODULE = BDB PACKAGE = BDB::Db 1916MODULE = BDB PACKAGE = BDB::Db
1684 1917
1685void 1918void
1686DESTROY (DB_ornull *db) 1919DESTROY (DB_ornuked *db)
1687 CODE: 1920 CODE:
1688 if (db) 1921 if (db)
1689 { 1922 {
1690 SV *env = (SV *)db->app_private; 1923 SV *env = (SV *)db->app_private;
1691 db->close (db, 0); 1924 db->close (db, 0);
… …
1696 CODE: 1929 CODE:
1697 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1930 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1698 OUTPUT: 1931 OUTPUT:
1699 RETVAL 1932 RETVAL
1700 1933
1701int set_flags (DB *db, U32 flags); 1934int set_flags (DB *db, U32 flags)
1702 CODE: 1935 CODE:
1703 RETVAL = db->set_flags (db, flags); 1936 RETVAL = db->set_flags (db, flags);
1704 OUTPUT: 1937 OUTPUT:
1705 RETVAL 1938 RETVAL
1706 1939
… …
1720 CODE: 1953 CODE:
1721 RETVAL = db->set_bt_minkey (db, minkey); 1954 RETVAL = db->set_bt_minkey (db, minkey);
1722 OUTPUT: 1955 OUTPUT:
1723 RETVAL 1956 RETVAL
1724 1957
1725int set_re_delim(DB *db, int delim); 1958int set_re_delim (DB *db, int delim)
1726 CODE: 1959 CODE:
1727 RETVAL = db->set_re_delim (db, delim); 1960 RETVAL = db->set_re_delim (db, delim);
1728 OUTPUT: 1961 OUTPUT:
1729 RETVAL 1962 RETVAL
1730 1963
… …
1786 2019
1787 2020
1788MODULE = BDB PACKAGE = BDB::Txn 2021MODULE = BDB PACKAGE = BDB::Txn
1789 2022
1790void 2023void
1791DESTROY (DB_TXN_ornull *txn) 2024DESTROY (DB_TXN_ornuked *txn)
1792 CODE: 2025 CODE:
1793 if (txn) 2026 if (txn)
1794 txn->abort (txn); 2027 txn->abort (txn);
1795 2028
1796int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 2029int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1797 CODE: 2030 CODE:
1798 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 2031 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1799 OUTPUT: 2032 OUTPUT:
1800 RETVAL 2033 RETVAL
1801 2034
2035int failed (DB_TXN *txn)
2036 CODE:
2037 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2038 OUTPUT:
2039 RETVAL
2040
1802 2041
1803MODULE = BDB PACKAGE = BDB::Cursor 2042MODULE = BDB PACKAGE = BDB::Cursor
1804 2043
1805void 2044void
1806DESTROY (DBC_ornull *dbc) 2045DESTROY (DBC_ornuked *dbc)
1807 CODE: 2046 CODE:
1808 if (dbc) 2047 if (dbc)
1809 dbc->c_close (dbc); 2048 dbc->c_close (dbc);
1810 2049
2050#if DB_VERSION_MINOR >= 6
2051
2052int set_priority (DBC *dbc, int priority)
2053 CODE:
2054 dbc->set_priority (dbc, priority);
2055
2056#endif
2057
1811MODULE = BDB PACKAGE = BDB::Sequence 2058MODULE = BDB PACKAGE = BDB::Sequence
1812 2059
1813void 2060void
1814DESTROY (DB_SEQUENCE_ornull *seq) 2061DESTROY (DB_SEQUENCE_ornuked *seq)
1815 CODE: 2062 CODE:
1816 if (seq) 2063 if (seq)
1817 seq->close (seq, 0); 2064 seq->close (seq, 0);
1818 2065
1819int initial_value (DB_SEQUENCE *seq, db_seq_t value) 2066int initial_value (DB_SEQUENCE *seq, db_seq_t value)
… …
1838 CODE: 2085 CODE:
1839 RETVAL = seq->set_range (seq, min, max); 2086 RETVAL = seq->set_range (seq, min, max);
1840 OUTPUT: 2087 OUTPUT:
1841 RETVAL 2088 RETVAL
1842 2089
2090

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