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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 1.33 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>
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
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
60static inline char * 78static char *
61strdup_ornull (const char *s) 79strdup_ornull (const char *s)
62{ 80{
63 return s ? strdup (s) : 0; 81 return s ? strdup (s) : 0;
64} 82}
65 83
66static inline void 84static void
67sv_to_dbt (DBT *dbt, SV *sv) 85sv_to_dbt (DBT *dbt, SV *sv)
68{ 86{
69 STRLEN len; 87 STRLEN len;
70 char *data = SvPVbyte (sv, len); 88 char *data = SvPVbyte (sv, len);
71 89
… …
73 memcpy (dbt->data, data, len); 91 memcpy (dbt->data, data, len);
74 dbt->size = len; 92 dbt->size = len;
75 dbt->flags = DB_DBT_REALLOC; 93 dbt->flags = DB_DBT_REALLOC;
76} 94}
77 95
78static inline void 96static void
79dbt_to_sv (SV *sv, DBT *dbt) 97dbt_to_sv (SV *sv, DBT *dbt)
80{ 98{
81 if (sv) 99 if (sv)
82 { 100 {
83 SvREADONLY_off (sv); 101 SvREADONLY_off (sv);
… …
90 108
91enum { 109enum {
92 REQ_QUIT, 110 REQ_QUIT,
93 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,
94 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 112 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
95 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,
96 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,
97 REQ_TXN_COMMIT, REQ_TXN_ABORT, 115 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, 116 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, 117 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100}; 118};
101 119
102typedef struct aio_cb 120typedef struct bdb_cb
103{ 121{
104 struct aio_cb *volatile next; 122 struct bdb_cb *volatile next;
105 SV *callback; 123 SV *callback;
106 int type, pri, result; 124 int type, pri, result;
107 125
108 DB_ENV *env; 126 DB_ENV *env;
109 DB *db; 127 DB *db;
… …
118 136
119 DBT dbt1, dbt2, dbt3; 137 DBT dbt1, dbt2, dbt3;
120 DB_KEY_RANGE key_range; 138 DB_KEY_RANGE key_range;
121 DB_SEQUENCE *seq; 139 DB_SEQUENCE *seq;
122 db_seq_t seq_t; 140 db_seq_t seq_t;
123} aio_cb; 141} bdb_cb;
124 142
125typedef aio_cb *aio_req; 143typedef bdb_cb *bdb_req;
126 144
127enum { 145enum {
128 PRI_MIN = -4, 146 PRI_MIN = -4,
129 PRI_MAX = 4, 147 PRI_MAX = 4,
130 148
… …
147 165
148static int next_pri = DEFAULT_PRI + PRI_BIAS; 166static int next_pri = DEFAULT_PRI + PRI_BIAS;
149 167
150static unsigned int started, idle, wanted; 168static unsigned int started, idle, wanted;
151 169
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 */ 170/* worker threads management */
162static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 171static mutex_t wrklock = X_MUTEX_INIT;
163 172
164typedef struct worker { 173typedef struct worker {
165 /* locked by wrklock */ 174 /* locked by wrklock */
166 struct worker *prev, *next; 175 struct worker *prev, *next;
167 176
168 pthread_t tid; 177 thread_t tid;
169 178
170 /* locked by reslock, reqlock or wrklock */ 179 /* locked by reslock, reqlock or wrklock */
171 aio_req req; /* currently processed request */ 180 bdb_req req; /* currently processed request */
172 void *dbuf; 181 void *dbuf;
173 DIR *dirp; 182 DIR *dirp;
174} worker; 183} worker;
175 184
176static worker wrk_first = { &wrk_first, &wrk_first, 0 }; 185static worker wrk_first = { &wrk_first, &wrk_first, 0 };
… …
188} 197}
189 198
190static volatile unsigned int nreqs, nready, npending; 199static volatile unsigned int nreqs, nready, npending;
191static volatile unsigned int max_idle = 4; 200static volatile unsigned int max_idle = 4;
192static volatile unsigned int max_outstanding = 0xffffffff; 201static volatile unsigned int max_outstanding = 0xffffffff;
193static int respipe [2]; 202static int respipe_osf [2], respipe [2] = { -1, -1 };
194 203
195static pthread_mutex_t reslock = AIO_MUTEX_INIT; 204static mutex_t reslock = X_MUTEX_INIT;
196static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 205static mutex_t reqlock = X_MUTEX_INIT;
197static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 206static cond_t reqwait = X_COND_INIT;
198 207
199#if WORDACCESS_UNSAFE 208#if WORDACCESS_UNSAFE
200 209
201static unsigned int get_nready () 210static unsigned int get_nready ()
202{ 211{
203 unsigned int retval; 212 unsigned int retval;
204 213
205 LOCK (reqlock); 214 X_LOCK (reqlock);
206 retval = nready; 215 retval = nready;
207 UNLOCK (reqlock); 216 X_UNLOCK (reqlock);
208 217
209 return retval; 218 return retval;
210} 219}
211 220
212static unsigned int get_npending () 221static unsigned int get_npending ()
213{ 222{
214 unsigned int retval; 223 unsigned int retval;
215 224
216 LOCK (reslock); 225 X_LOCK (reslock);
217 retval = npending; 226 retval = npending;
218 UNLOCK (reslock); 227 X_UNLOCK (reslock);
219 228
220 return retval; 229 return retval;
221} 230}
222 231
223static unsigned int get_nthreads () 232static unsigned int get_nthreads ()
224{ 233{
225 unsigned int retval; 234 unsigned int retval;
226 235
227 LOCK (wrklock); 236 X_LOCK (wrklock);
228 retval = started; 237 retval = started;
229 UNLOCK (wrklock); 238 X_UNLOCK (wrklock);
230 239
231 return retval; 240 return retval;
232} 241}
233 242
234#else 243#else
… …
243 * a somewhat faster data structure might be nice, but 252 * a somewhat faster data structure might be nice, but
244 * with 8 priorities this actually needs <20 insns 253 * with 8 priorities this actually needs <20 insns
245 * per shift, the most expensive operation. 254 * per shift, the most expensive operation.
246 */ 255 */
247typedef struct { 256typedef struct {
248 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ 257 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249 int size; 258 int size;
250} reqq; 259} reqq;
251 260
252static reqq req_queue; 261static reqq req_queue;
253static reqq res_queue; 262static reqq res_queue;
254 263
255int reqq_push (reqq *q, aio_req req) 264int reqq_push (reqq *q, bdb_req req)
256{ 265{
257 int pri = req->pri; 266 int pri = req->pri;
258 req->next = 0; 267 req->next = 0;
259 268
260 if (q->qe[pri]) 269 if (q->qe[pri])
… …
266 q->qe[pri] = q->qs[pri] = req; 275 q->qe[pri] = q->qs[pri] = req;
267 276
268 return q->size++; 277 return q->size++;
269} 278}
270 279
271aio_req reqq_shift (reqq *q) 280bdb_req reqq_shift (reqq *q)
272{ 281{
273 int pri; 282 int pri;
274 283
275 if (!q->size) 284 if (!q->size)
276 return 0; 285 return 0;
277 286
278 --q->size; 287 --q->size;
279 288
280 for (pri = NUM_PRI; pri--; ) 289 for (pri = NUM_PRI; pri--; )
281 { 290 {
282 aio_req req = q->qs[pri]; 291 bdb_req req = q->qs[pri];
283 292
284 if (req) 293 if (req)
285 { 294 {
286 if (!(q->qs[pri] = req->next)) 295 if (!(q->qs[pri] = req->next))
287 q->qe[pri] = 0; 296 q->qe[pri] = 0;
… …
292 301
293 abort (); 302 abort ();
294} 303}
295 304
296static int poll_cb (); 305static int poll_cb ();
297static void req_free (aio_req req); 306static void req_free (bdb_req req);
298static void req_cancel (aio_req req); 307static void req_cancel (bdb_req req);
299 308
300static int req_invoke (aio_req req) 309static int req_invoke (bdb_req req)
301{ 310{
302 dSP; 311 dSP;
303 312
304 if (SvOK (req->callback)) 313 if (SvOK (req->callback))
305 { 314 {
… …
323 dbt_to_sv (req->sv1, &req->dbt1); 332 dbt_to_sv (req->sv1, &req->dbt1);
324 dbt_to_sv (req->sv2, &req->dbt2); 333 dbt_to_sv (req->sv2, &req->dbt2);
325 dbt_to_sv (req->sv3, &req->dbt3); 334 dbt_to_sv (req->sv3, &req->dbt3);
326 break; 335 break;
327 336
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
328 case REQ_DB_KEY_RANGE: 343 case REQ_DB_KEY_RANGE:
329 { 344 {
330 AV *av = newAV (); 345 AV *av = newAV ();
331 346
332 av_push (av, newSVnv (req->key_range.less)); 347 av_push (av, newSVnv (req->key_range.less));
… …
341 356
342 case REQ_SEQ_GET: 357 case REQ_SEQ_GET:
343 SvREADONLY_off (req->sv1); 358 SvREADONLY_off (req->sv1);
344 359
345 if (sizeof (IV) > 4) 360 if (sizeof (IV) > 4)
346 sv_setiv_mg (req->sv1, req->seq_t); 361 sv_setiv_mg (req->sv1, (IV)req->seq_t);
347 else 362 else
348 sv_setnv_mg (req->sv1, req->seq_t); 363 sv_setnv_mg (req->sv1, (NV)req->seq_t);
349 364
350 SvREFCNT_dec (req->sv1); 365 SvREFCNT_dec (req->sv1);
351 break; 366 break;
352 } 367 }
353 368
… …
362 } 377 }
363 378
364 return !SvTRUE (ERRSV); 379 return !SvTRUE (ERRSV);
365} 380}
366 381
367static void req_free (aio_req req) 382static void req_free (bdb_req req)
368{ 383{
369 free (req->buf1); 384 free (req->buf1);
370 free (req->buf2); 385 free (req->buf2);
371 Safefree (req); 386 Safefree (req);
372} 387}
373 388
374static 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);
375 437
376static void start_thread (void) 438static void start_thread (void)
377{ 439{
378 sigset_t fullsigset, oldsigset;
379 pthread_attr_t attr;
380
381 worker *wrk = calloc (1, sizeof (worker)); 440 worker *wrk = calloc (1, sizeof (worker));
382 441
383 if (!wrk) 442 if (!wrk)
384 croak ("unable to allocate worker thread data"); 443 croak ("unable to allocate worker thread data");
385 444
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); 445 X_LOCK (wrklock);
395 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 446 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398 { 447 {
399 wrk->prev = &wrk_first; 448 wrk->prev = &wrk_first;
400 wrk->next = wrk_first.next; 449 wrk->next = wrk_first.next;
401 wrk_first.next->prev = wrk; 450 wrk_first.next->prev = wrk;
402 wrk_first.next = wrk; 451 wrk_first.next = wrk;
403 ++started; 452 ++started;
404 } 453 }
405 else 454 else
406 free (wrk); 455 free (wrk);
407 456
408 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409 UNLOCK (wrklock); 457 X_UNLOCK (wrklock);
410} 458}
411 459
412static void maybe_start_thread () 460static void maybe_start_thread ()
413{ 461{
414 if (get_nthreads () >= wanted) 462 if (get_nthreads () >= wanted)
… …
419 return; 467 return;
420 468
421 start_thread (); 469 start_thread ();
422} 470}
423 471
424static void req_send (aio_req req) 472static void req_send (bdb_req req)
425{ 473{
426 SV *wait_callback = 0; 474 SV *wait_callback = 0;
427 475
428 // synthesize callback if none given 476 // synthesize callback if none given
429 if (!SvOK (req->callback)) 477 if (!SvOK (req->callback))
430 { 478 {
479 int count;
480
431 dSP; 481 dSP;
432 PUSHMARK (SP); 482 PUSHMARK (SP);
433 PUTBACK; 483 PUTBACK;
434 int count = call_sv (prepare_cb, G_ARRAY); 484 count = call_sv (prepare_cb, G_ARRAY);
435 SPAGAIN; 485 SPAGAIN;
436 486
437 if (count != 2) 487 if (count != 2)
438 croak ("prepare callback must return exactly two values\n"); 488 croak ("prepare callback must return exactly two values\n");
439 489
440 wait_callback = SvREFCNT_inc (POPs); 490 wait_callback = POPs;
441 SvREFCNT_dec (req->callback); 491 SvREFCNT_dec (req->callback);
442 req->callback = SvREFCNT_inc (POPs); 492 req->callback = SvREFCNT_inc (POPs);
443 } 493 }
444 494
445 ++nreqs; 495 ++nreqs;
446 496
447 LOCK (reqlock); 497 X_LOCK (reqlock);
448 ++nready; 498 ++nready;
449 reqq_push (&req_queue, req); 499 reqq_push (&req_queue, req);
450 pthread_cond_signal (&reqwait); 500 X_COND_SIGNAL (reqwait);
451 UNLOCK (reqlock); 501 X_UNLOCK (reqlock);
452 502
453 maybe_start_thread (); 503 maybe_start_thread ();
454 504
455 if (wait_callback) 505 if (wait_callback)
456 { 506 {
457 dSP; 507 dSP;
458 PUSHMARK (SP); 508 PUSHMARK (SP);
459 PUTBACK; 509 PUTBACK;
460 call_sv (wait_callback, G_DISCARD); 510 call_sv (wait_callback, G_DISCARD);
461 SvREFCNT_dec (wait_callback);
462 } 511 }
463} 512}
464 513
465static void end_thread (void) 514static void end_thread (void)
466{ 515{
467 aio_req req; 516 bdb_req req;
468 517
469 Newz (0, req, 1, aio_cb); 518 Newz (0, req, 1, bdb_cb);
470 519
471 req->type = REQ_QUIT; 520 req->type = REQ_QUIT;
472 req->pri = PRI_MAX + PRI_BIAS; 521 req->pri = PRI_MAX + PRI_BIAS;
473 522
474 LOCK (reqlock); 523 X_LOCK (reqlock);
475 reqq_push (&req_queue, req); 524 reqq_push (&req_queue, req);
476 pthread_cond_signal (&reqwait); 525 X_COND_SIGNAL (reqwait);
477 UNLOCK (reqlock); 526 X_UNLOCK (reqlock);
478 527
479 LOCK (wrklock); 528 X_LOCK (wrklock);
480 --started; 529 --started;
481 UNLOCK (wrklock); 530 X_UNLOCK (wrklock);
482} 531}
483 532
484static void set_max_idle (int nthreads) 533static void set_max_idle (int nthreads)
485{ 534{
486 if (WORDACCESS_UNSAFE) LOCK (reqlock); 535 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487 max_idle = nthreads <= 0 ? 1 : nthreads; 536 max_idle = nthreads <= 0 ? 1 : nthreads;
488 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 537 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489} 538}
490 539
491static void min_parallel (int nthreads) 540static void min_parallel (int nthreads)
492{ 541{
493 if (wanted < nthreads) 542 if (wanted < nthreads)
… …
508 fd_set rfd; 557 fd_set rfd;
509 558
510 while (nreqs) 559 while (nreqs)
511 { 560 {
512 int size; 561 int size;
513 if (WORDACCESS_UNSAFE) LOCK (reslock); 562 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514 size = res_queue.size; 563 size = res_queue.size;
515 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 564 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516 565
517 if (size) 566 if (size)
518 return; 567 return;
519 568
520 maybe_start_thread (); 569 maybe_start_thread ();
521 570
522 FD_ZERO(&rfd); 571 FD_ZERO (&rfd);
523 FD_SET(respipe [0], &rfd); 572 FD_SET (respipe [0], &rfd);
524 573
525 select (respipe [0] + 1, &rfd, 0, 0, 0); 574 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526 } 575 }
527} 576}
528 577
529static int poll_cb () 578static int poll_cb ()
530{ 579{
531 dSP; 580 dSP;
532 int count = 0; 581 int count = 0;
533 int maxreqs = max_poll_reqs; 582 int maxreqs = max_poll_reqs;
534 int do_croak = 0; 583 int do_croak = 0;
535 struct timeval tv_start, tv_now; 584 struct timeval tv_start, tv_now;
536 aio_req req; 585 bdb_req req;
537 586
538 if (max_poll_time) 587 if (max_poll_time)
539 gettimeofday (&tv_start, 0); 588 gettimeofday (&tv_start, 0);
540 589
541 for (;;) 590 for (;;)
542 { 591 {
543 for (;;) 592 for (;;)
544 { 593 {
545 maybe_start_thread (); 594 maybe_start_thread ();
546 595
547 LOCK (reslock); 596 X_LOCK (reslock);
548 req = reqq_shift (&res_queue); 597 req = reqq_shift (&res_queue);
549 598
550 if (req) 599 if (req)
551 { 600 {
552 --npending; 601 --npending;
553 602
554 if (!res_queue.size) 603 if (!res_queue.size)
555 { 604 {
556 /* read any signals sent by the worker threads */ 605 /* read any signals sent by the worker threads */
557 char buf [4]; 606 char buf [4];
558 while (read (respipe [0], buf, 4) == 4) 607 while (respipe_read (respipe [0], buf, 4) == 4)
559 ; 608 ;
560 } 609 }
561 } 610 }
562 611
563 UNLOCK (reslock); 612 X_UNLOCK (reslock);
564 613
565 if (!req) 614 if (!req)
566 break; 615 break;
567 616
568 --nreqs; 617 --nreqs;
… …
598 } 647 }
599 648
600 return count; 649 return count;
601} 650}
602 651
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/*****************************************************************************/ 652/*****************************************************************************/
616 653
617static void *aio_proc (void *thr_arg) 654X_THREAD_PROC (bdb_proc)
618{ 655{
619 aio_req req; 656 bdb_req req;
620 struct timespec ts; 657 struct timespec ts;
621 worker *self = (worker *)thr_arg; 658 worker *self = (worker *)thr_arg;
622 659
623 /* try to distribute timeouts somewhat evenly */ 660 /* try to distribute timeouts somewhat evenly */
624 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 661 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625 * (1000000000UL / 1024UL);
626 662
627 for (;;) 663 for (;;)
628 { 664 {
629 ts.tv_sec = time (0) + IDLE_TIMEOUT; 665 ts.tv_sec = time (0) + IDLE_TIMEOUT;
630 666
631 LOCK (reqlock); 667 X_LOCK (reqlock);
632 668
633 for (;;) 669 for (;;)
634 { 670 {
635 self->req = req = reqq_shift (&req_queue); 671 self->req = req = reqq_shift (&req_queue);
636 672
637 if (req) 673 if (req)
638 break; 674 break;
639 675
640 ++idle; 676 ++idle;
641 677
642 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 678 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643 == ETIMEDOUT) 679 == ETIMEDOUT)
644 { 680 {
645 if (idle > max_idle) 681 if (idle > max_idle)
646 { 682 {
647 --idle; 683 --idle;
648 UNLOCK (reqlock); 684 X_UNLOCK (reqlock);
649 LOCK (wrklock); 685 X_LOCK (wrklock);
650 --started; 686 --started;
651 UNLOCK (wrklock); 687 X_UNLOCK (wrklock);
652 goto quit; 688 goto quit;
653 } 689 }
654 690
655 /* we are allowed to idle, so do so without any timeout */ 691 /* we are allowed to idle, so do so without any timeout */
656 pthread_cond_wait (&reqwait, &reqlock); 692 X_COND_WAIT (reqwait, reqlock);
657 ts.tv_sec = time (0) + IDLE_TIMEOUT; 693 ts.tv_sec = time (0) + IDLE_TIMEOUT;
658 } 694 }
659 695
660 --idle; 696 --idle;
661 } 697 }
662 698
663 --nready; 699 --nready;
664 700
665 UNLOCK (reqlock); 701 X_UNLOCK (reqlock);
666 702
667 switch (req->type) 703 switch (req->type)
668 { 704 {
669 case REQ_QUIT: 705 case REQ_QUIT:
706 req->result = ENOSYS;
670 goto quit; 707 goto quit;
671 708
672 case REQ_ENV_OPEN: 709 case REQ_ENV_OPEN:
673 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);
674 break; 711 break;
… …
707 744
708 case REQ_DB_SYNC: 745 case REQ_DB_SYNC:
709 req->result = req->db->sync (req->db, req->uint1); 746 req->result = req->db->sync (req->db, req->uint1);
710 break; 747 break;
711 748
749 case REQ_DB_UPGRADE:
750 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
751 break;
752
712 case REQ_DB_PUT: 753 case REQ_DB_PUT:
713 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);
714 break; 755 break;
715 756
716 case REQ_DB_GET: 757 case REQ_DB_GET:
… …
733 req->result = req->txn->commit (req->txn, req->uint1); 774 req->result = req->txn->commit (req->txn, req->uint1);
734 break; 775 break;
735 776
736 case REQ_TXN_ABORT: 777 case REQ_TXN_ABORT:
737 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);
738 break; 790 break;
739 791
740 case REQ_C_CLOSE: 792 case REQ_C_CLOSE:
741 req->result = req->dbc->c_close (req->dbc); 793 req->result = req->dbc->c_close (req->dbc);
742 break; 794 break;
… …
784 default: 836 default:
785 req->result = ENOSYS; 837 req->result = ENOSYS;
786 break; 838 break;
787 } 839 }
788 840
841 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
842 req->txn->flags |= TXN_DEADLOCK;
843
789 LOCK (reslock); 844 X_LOCK (reslock);
790 845
791 ++npending; 846 ++npending;
792 847
793 if (!reqq_push (&res_queue, req)) 848 if (!reqq_push (&res_queue, req))
794 /* write a dummy byte to the pipe so fh becomes ready */ 849 /* write a dummy byte to the pipe so fh becomes ready */
795 write (respipe [1], &respipe, 1); 850 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796 851
797 self->req = 0; 852 self->req = 0;
798 worker_clear (self); 853 worker_clear (self);
799 854
800 UNLOCK (reslock); 855 X_UNLOCK (reslock);
801 } 856 }
802 857
803quit: 858quit:
804 LOCK (wrklock); 859 X_LOCK (wrklock);
805 worker_free (self); 860 worker_free (self);
806 UNLOCK (wrklock); 861 X_UNLOCK (wrklock);
807 862
808 return 0; 863 return 0;
809} 864}
810 865
811/*****************************************************************************/ 866/*****************************************************************************/
812 867
813static void atfork_prepare (void) 868static void atfork_prepare (void)
814{ 869{
815 LOCK (wrklock); 870 X_LOCK (wrklock);
816 LOCK (reqlock); 871 X_LOCK (reqlock);
817 LOCK (reslock); 872 X_LOCK (reslock);
818} 873}
819 874
820static void atfork_parent (void) 875static void atfork_parent (void)
821{ 876{
822 UNLOCK (reslock); 877 X_UNLOCK (reslock);
823 UNLOCK (reqlock); 878 X_UNLOCK (reqlock);
824 UNLOCK (wrklock); 879 X_UNLOCK (wrklock);
825} 880}
826 881
827static void atfork_child (void) 882static void atfork_child (void)
828{ 883{
829 aio_req prv; 884 bdb_req prv;
830 885
831 while (prv = reqq_shift (&req_queue)) 886 while (prv = reqq_shift (&req_queue))
832 req_free (prv); 887 req_free (prv);
833 888
834 while (prv = reqq_shift (&res_queue)) 889 while (prv = reqq_shift (&res_queue))
… …
849 idle = 0; 904 idle = 0;
850 nreqs = 0; 905 nreqs = 0;
851 nready = 0; 906 nready = 0;
852 npending = 0; 907 npending = 0;
853 908
854 close (respipe [0]);
855 close (respipe [1]);
856 create_pipe (); 909 create_respipe ();
857 910
858 atfork_parent (); 911 atfork_parent ();
859} 912}
860 913
861#define dREQ(reqtype) \ 914#define dREQ(reqtype) \
862 aio_req req; \ 915 bdb_req req; \
863 int req_pri = next_pri; \ 916 int req_pri = next_pri; \
864 next_pri = DEFAULT_PRI + PRI_BIAS; \ 917 next_pri = DEFAULT_PRI + PRI_BIAS; \
865 \ 918 \
866 if (SvOK (callback) && !SvROK (callback)) \ 919 if (SvOK (callback) && !SvROK (callback)) \
867 croak ("callback must be undef or of reference type"); \ 920 croak ("callback must be undef or of reference type"); \
868 \ 921 \
869 Newz (0, req, 1, aio_cb); \ 922 Newz (0, req, 1, bdb_cb); \
870 if (!req) \ 923 if (!req) \
871 croak ("out of memory during aio_req allocation"); \ 924 croak ("out of memory during bdb_req allocation"); \
872 \ 925 \
873 req->callback = newSVsv (callback); \ 926 req->callback = newSVsv (callback); \
874 req->type = (reqtype); \ 927 req->type = (reqtype); \
875 req->pri = req_pri 928 req->pri = req_pri
876 929
877#define REQ_SEND \ 930#define REQ_SEND \
878 req_send (req) 931 req_send (req)
879 932
880#define SvPTR(var, arg, type, class, nullok) \ 933#define SvPTR(var, arg, type, class, nullok) \
881 if (!SvOK (arg)) \ 934 if (!SvOK (arg)) \
882 { \ 935 { \
883 if (!nullok) \ 936 if (nullok != 1) \
884 croak (# var " must be a " # class " object, not undef"); \ 937 croak (# var " must be a " # class " object, not undef"); \
885 \ 938 \
886 (var) = 0; \ 939 (var) = 0; \
887 } \ 940 } \
888 else if (sv_derived_from ((arg), # class)) \ 941 else if (sv_derived_from ((arg), # class)) \
889 { \ 942 { \
890 IV tmp = SvIV ((SV*) SvRV (arg)); \ 943 IV tmp = SvIV ((SV*) SvRV (arg)); \
891 (var) = INT2PTR (type, tmp); \ 944 (var) = INT2PTR (type, tmp); \
892 if (!var) \ 945 if (!var && nullok != 2) \
893 croak (# var " is not a valid " # class " object anymore"); \ 946 croak (# var " is not a valid " # class " object anymore"); \
894 } \ 947 } \
895 else \ 948 else \
896 croak (# var " is not of type " # class); \ 949 croak (# var " is not of type " # class); \
897 \ 950 \
… …
899static void 952static void
900ptr_nuke (SV *sv) 953ptr_nuke (SV *sv)
901{ 954{
902 assert (SvROK (sv)); 955 assert (SvROK (sv));
903 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;
904} 996}
905 997
906MODULE = BDB PACKAGE = BDB 998MODULE = BDB PACKAGE = BDB
907 999
908PROTOTYPES: ENABLE 1000PROTOTYPES: ENABLE
… …
925 const_iv (INIT_TXN) 1017 const_iv (INIT_TXN)
926 const_iv (RECOVER) 1018 const_iv (RECOVER)
927 const_iv (INIT_TXN) 1019 const_iv (INIT_TXN)
928 const_iv (RECOVER_FATAL) 1020 const_iv (RECOVER_FATAL)
929 const_iv (CREATE) 1021 const_iv (CREATE)
1022 const_iv (RDONLY)
930 const_iv (USE_ENVIRON) 1023 const_iv (USE_ENVIRON)
931 const_iv (USE_ENVIRON_ROOT) 1024 const_iv (USE_ENVIRON_ROOT)
932 const_iv (LOCKDOWN) 1025 const_iv (LOCKDOWN)
933 const_iv (PRIVATE) 1026 const_iv (PRIVATE)
934 const_iv (REGISTER) 1027 const_iv (REGISTER)
… …
940 const_iv (DSYNC_DB) 1033 const_iv (DSYNC_DB)
941 const_iv (DSYNC_LOG) 1034 const_iv (DSYNC_LOG)
942 const_iv (LOG_AUTOREMOVE) 1035 const_iv (LOG_AUTOREMOVE)
943 const_iv (LOG_INMEMORY) 1036 const_iv (LOG_INMEMORY)
944 const_iv (NOLOCKING) 1037 const_iv (NOLOCKING)
945 const_iv (MULTIVERSION)
946 const_iv (NOMMAP) 1038 const_iv (NOMMAP)
947 const_iv (NOPANIC) 1039 const_iv (NOPANIC)
948 const_iv (OVERWRITE) 1040 const_iv (OVERWRITE)
949 const_iv (PANIC_ENVIRONMENT) 1041 const_iv (PANIC_ENVIRONMENT)
950 const_iv (REGION_INIT) 1042 const_iv (REGION_INIT)
951 const_iv (TIME_NOTGRANTED) 1043 const_iv (TIME_NOTGRANTED)
952 const_iv (TXN_NOSYNC) 1044 const_iv (TXN_NOSYNC)
953 const_iv (TXN_SNAPSHOT) 1045 const_iv (TXN_NOT_DURABLE)
954 const_iv (TXN_WRITE_NOSYNC) 1046 const_iv (TXN_WRITE_NOSYNC)
955 const_iv (WRITECURSOR) 1047 const_iv (WRITECURSOR)
956 const_iv (YIELDCPU) 1048 const_iv (YIELDCPU)
957 const_iv (ENCRYPT_AES) 1049 const_iv (ENCRYPT_AES)
958 const_iv (XA_CREATE) 1050 const_iv (XA_CREATE)
… …
966 const_iv (READ_UNCOMMITTED) 1058 const_iv (READ_UNCOMMITTED)
967 const_iv (TRUNCATE) 1059 const_iv (TRUNCATE)
968 const_iv (NOSYNC) 1060 const_iv (NOSYNC)
969 const_iv (CHKSUM) 1061 const_iv (CHKSUM)
970 const_iv (ENCRYPT) 1062 const_iv (ENCRYPT)
971 const_iv (TXN_NOT_DURABLE)
972 const_iv (DUP) 1063 const_iv (DUP)
973 const_iv (DUPSORT) 1064 const_iv (DUPSORT)
974 const_iv (RECNUM) 1065 const_iv (RECNUM)
975 const_iv (RENUMBER) 1066 const_iv (RENUMBER)
976 const_iv (REVSPLITOFF) 1067 const_iv (REVSPLITOFF)
… …
981 const_iv (GET_BOTH_RANGE) 1072 const_iv (GET_BOTH_RANGE)
982 //const_iv (SET_RECNO) 1073 //const_iv (SET_RECNO)
983 //const_iv (MULTIPLE) 1074 //const_iv (MULTIPLE)
984 const_iv (SNAPSHOT) 1075 const_iv (SNAPSHOT)
985 const_iv (JOIN_ITEM) 1076 const_iv (JOIN_ITEM)
1077 const_iv (JOIN_NOSORT)
986 const_iv (RMW) 1078 const_iv (RMW)
987 1079
988 const_iv (NOTFOUND) 1080 const_iv (NOTFOUND)
989 const_iv (KEYEMPTY) 1081 const_iv (KEYEMPTY)
990 const_iv (LOCK_DEADLOCK) 1082 const_iv (LOCK_DEADLOCK)
… …
1001 const_iv (APPEND) 1093 const_iv (APPEND)
1002 const_iv (NODUPDATA) 1094 const_iv (NODUPDATA)
1003 const_iv (NOOVERWRITE) 1095 const_iv (NOOVERWRITE)
1004 1096
1005 const_iv (TXN_NOWAIT) 1097 const_iv (TXN_NOWAIT)
1006 const_iv (TXN_SNAPSHOT)
1007 const_iv (TXN_SYNC) 1098 const_iv (TXN_SYNC)
1008 1099
1009 const_iv (SET_LOCK_TIMEOUT) 1100 const_iv (SET_LOCK_TIMEOUT)
1010 const_iv (SET_TXN_TIMEOUT) 1101 const_iv (SET_TXN_TIMEOUT)
1011 1102
1012 const_iv (JOIN_ITEM)
1013 const_iv (FIRST) 1103 const_iv (FIRST)
1014 const_iv (NEXT) 1104 const_iv (NEXT)
1015 const_iv (NEXT_DUP) 1105 const_iv (NEXT_DUP)
1016 const_iv (NEXT_NODUP) 1106 const_iv (NEXT_NODUP)
1017 const_iv (PREV) 1107 const_iv (PREV)
… …
1039 const_iv (LOCK_YOUNGEST) 1129 const_iv (LOCK_YOUNGEST)
1040 1130
1041 const_iv (SEQ_DEC) 1131 const_iv (SEQ_DEC)
1042 const_iv (SEQ_INC) 1132 const_iv (SEQ_INC)
1043 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
1044 }; 1185 };
1045 1186
1046 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; )
1047 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1188 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048 1189
1049 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
1050 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 ();
1051} 1204}
1052 1205
1053void 1206void
1054max_poll_reqs (int nreqs) 1207max_poll_reqs (int nreqs)
1055 PROTOTYPE: $ 1208 PROTOTYPE: $
… …
1174 1327
1175int 1328int
1176nthreads () 1329nthreads ()
1177 PROTOTYPE: 1330 PROTOTYPE:
1178 CODE: 1331 CODE:
1179 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1332 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180 RETVAL = started; 1333 RETVAL = started;
1181 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1334 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182 OUTPUT: 1335 OUTPUT:
1183 RETVAL 1336 RETVAL
1184 1337
1185void 1338void
1186set_sync_prepare (SV *cb) 1339set_sync_prepare (SV *cb)
1187 PROTOTYPE: & 1340 PROTOTYPE: &
1188 CODE: 1341 CODE:
1189 SvREFCNT_dec (prepare_cb); 1342 SvREFCNT_dec (prepare_cb);
1190 prepare_cb = newSVsv (cb); 1343 prepare_cb = newSVsv (cb);
1191 1344
1345char *
1346strerror (int errorno = errno)
1347 PROTOTYPE: ;$
1348 CODE:
1349 RETVAL = db_strerror (errorno);
1350 OUTPUT:
1351 RETVAL
1192 1352
1193DB_ENV * 1353DB_ENV *
1194db_env_create (U32 env_flags = 0) 1354db_env_create (U32 env_flags = 0)
1195 CODE: 1355 CODE:
1196{ 1356{
1197 errno = db_env_create (&RETVAL, env_flags); 1357 errno = db_env_create (&RETVAL, env_flags);
1198 if (errno) 1358 if (errno)
1199 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 }
1200} 1366}
1201 OUTPUT: 1367 OUTPUT:
1202 RETVAL 1368 RETVAL
1203 1369
1204void 1370void
1205db_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)
1206 CODE: 1372 CODE:
1207{ 1373{
1208 env->set_thread_count (env, get_nthreads ());
1209
1210 dREQ (REQ_ENV_OPEN); 1374 dREQ (REQ_ENV_OPEN);
1375
1211 req->env = env; 1376 req->env = env;
1212 req->uint1 = open_flags | DB_THREAD; 1377 req->uint1 = open_flags | DB_THREAD;
1213 req->int1 = mode; 1378 req->int1 = mode;
1214 req->buf1 = strdup_ornull (db_home); 1379 req->buf1 = strdup_ornull (db_home);
1215 REQ_SEND; 1380 REQ_SEND;
… …
1282} 1447}
1283 OUTPUT: 1448 OUTPUT:
1284 RETVAL 1449 RETVAL
1285 1450
1286void 1451void
1287db_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)
1288 CODE: 1453 CODE:
1289{ 1454{
1290 dREQ (REQ_DB_OPEN); 1455 dREQ (REQ_DB_OPEN);
1291 req->db = db; 1456 req->db = db;
1292 req->txn = txnid; 1457 req->txn = txnid;
… …
1332 req->uint1 = flags; 1497 req->uint1 = flags;
1333 REQ_SEND; 1498 REQ_SEND;
1334} 1499}
1335 1500
1336void 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
1337db_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)
1338 CODE: 1514 CODE:
1339{ 1515{
1340 dREQ (REQ_DB_KEY_RANGE); 1516 dREQ (REQ_DB_KEY_RANGE);
1341 req->db = db; 1517 req->db = db;
… …
1360} 1536}
1361 1537
1362void 1538void
1363db_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)
1364 CODE: 1540 CODE:
1541 if (SvREADONLY (data))
1542 croak ("can't modify read-only data scalar in db_get");
1365{ 1543{
1366 dREQ (REQ_DB_GET); 1544 dREQ (REQ_DB_GET);
1367 req->db = db; 1545 req->db = db;
1368 req->txn = txn; 1546 req->txn = txn;
1369 req->uint1 = flags; 1547 req->uint1 = flags;
… …
1374} 1552}
1375 1553
1376void 1554void
1377db_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)
1378 CODE: 1556 CODE:
1557 if (SvREADONLY (data))
1558 croak ("can't modify read-only data scalar in db_pget");
1379{ 1559{
1380 dREQ (REQ_DB_PGET); 1560 dREQ (REQ_DB_PGET);
1381 req->db = db; 1561 req->db = db;
1382 req->txn = txn; 1562 req->txn = txn;
1383 req->uint1 = flags; 1563 req->uint1 = flags;
… …
1420 REQ_SEND; 1600 REQ_SEND;
1421 ptr_nuke (ST (0)); 1601 ptr_nuke (ST (0));
1422} 1602}
1423 1603
1424void 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
1425db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1616db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1426 CODE: 1617 CODE:
1427{ 1618{
1428 dREQ (REQ_C_CLOSE); 1619 dREQ (REQ_C_CLOSE);
1429 req->dbc = dbc; 1620 req->dbc = dbc;
… …
1566 1757
1567 1758
1568MODULE = BDB PACKAGE = BDB::Env 1759MODULE = BDB PACKAGE = BDB::Env
1569 1760
1570void 1761void
1571DESTROY (DB_ENV_ornull *env) 1762DESTROY (DB_ENV_ornuked *env)
1572 CODE: 1763 CODE:
1573 if (env) 1764 if (env)
1574 env->close (env, 0); 1765 env->close (env, 0);
1575 1766
1576int set_data_dir (DB_ENV *env, const char *dir) 1767int set_data_dir (DB_ENV *env, const char *dir)
… …
1601 CODE: 1792 CODE:
1602 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1793 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603 OUTPUT: 1794 OUTPUT:
1604 RETVAL 1795 RETVAL
1605 1796
1606int set_flags (DB_ENV *env, U32 flags, int onoff) 1797int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607 CODE: 1798 CODE:
1608 RETVAL = env->set_flags (env, flags, onoff); 1799 RETVAL = env->set_flags (env, flags, onoff);
1609 OUTPUT: 1800 OUTPUT:
1610 RETVAL 1801 RETVAL
1611 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
1612int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1817int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613 CODE: 1818 CODE:
1614 RETVAL = env->set_encrypt (env, password, flags); 1819 RETVAL = env->set_encrypt (env, password, flags);
1615 OUTPUT: 1820 OUTPUT:
1616 RETVAL 1821 RETVAL
1617 1822
1618int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1823int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619 CODE: 1824 CODE:
1620 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1825 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621 OUTPUT: 1826 OUTPUT:
1622 RETVAL 1827 RETVAL
1623 1828
… …
1671 1876
1672int set_lg_max (DB_ENV *env, U32 max) 1877int set_lg_max (DB_ENV *env, U32 max)
1673 CODE: 1878 CODE:
1674 RETVAL = env->set_lg_max (env, max); 1879 RETVAL = env->set_lg_max (env, max);
1675 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:
1676 RETVAL 1905 RETVAL
1677 1906
1678DB_TXN * 1907DB_TXN *
1679txn_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)
1680 CODE: 1909 CODE:
… …
1685 RETVAL 1914 RETVAL
1686 1915
1687MODULE = BDB PACKAGE = BDB::Db 1916MODULE = BDB PACKAGE = BDB::Db
1688 1917
1689void 1918void
1690DESTROY (DB_ornull *db) 1919DESTROY (DB_ornuked *db)
1691 CODE: 1920 CODE:
1692 if (db) 1921 if (db)
1693 { 1922 {
1694 SV *env = (SV *)db->app_private; 1923 SV *env = (SV *)db->app_private;
1695 db->close (db, 0); 1924 db->close (db, 0);
… …
1700 CODE: 1929 CODE:
1701 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1930 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702 OUTPUT: 1931 OUTPUT:
1703 RETVAL 1932 RETVAL
1704 1933
1705int set_flags (DB *db, U32 flags); 1934int set_flags (DB *db, U32 flags)
1706 CODE: 1935 CODE:
1707 RETVAL = db->set_flags (db, flags); 1936 RETVAL = db->set_flags (db, flags);
1708 OUTPUT: 1937 OUTPUT:
1709 RETVAL 1938 RETVAL
1710 1939
… …
1724 CODE: 1953 CODE:
1725 RETVAL = db->set_bt_minkey (db, minkey); 1954 RETVAL = db->set_bt_minkey (db, minkey);
1726 OUTPUT: 1955 OUTPUT:
1727 RETVAL 1956 RETVAL
1728 1957
1729int set_re_delim(DB *db, int delim); 1958int set_re_delim (DB *db, int delim)
1730 CODE: 1959 CODE:
1731 RETVAL = db->set_re_delim (db, delim); 1960 RETVAL = db->set_re_delim (db, delim);
1732 OUTPUT: 1961 OUTPUT:
1733 RETVAL 1962 RETVAL
1734 1963
… …
1790 2019
1791 2020
1792MODULE = BDB PACKAGE = BDB::Txn 2021MODULE = BDB PACKAGE = BDB::Txn
1793 2022
1794void 2023void
1795DESTROY (DB_TXN_ornull *txn) 2024DESTROY (DB_TXN_ornuked *txn)
1796 CODE: 2025 CODE:
1797 if (txn) 2026 if (txn)
1798 txn->abort (txn); 2027 txn->abort (txn);
1799 2028
1800int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 2029int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801 CODE: 2030 CODE:
1802 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 2031 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803 OUTPUT: 2032 OUTPUT:
1804 RETVAL 2033 RETVAL
1805 2034
2035int failed (DB_TXN *txn)
2036 CODE:
2037 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2038 OUTPUT:
2039 RETVAL
2040
1806 2041
1807MODULE = BDB PACKAGE = BDB::Cursor 2042MODULE = BDB PACKAGE = BDB::Cursor
1808 2043
1809void 2044void
1810DESTROY (DBC_ornull *dbc) 2045DESTROY (DBC_ornuked *dbc)
1811 CODE: 2046 CODE:
1812 if (dbc) 2047 if (dbc)
1813 dbc->c_close (dbc); 2048 dbc->c_close (dbc);
1814 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
1815MODULE = BDB PACKAGE = BDB::Sequence 2058MODULE = BDB PACKAGE = BDB::Sequence
1816 2059
1817void 2060void
1818DESTROY (DB_SEQUENCE_ornull *seq) 2061DESTROY (DB_SEQUENCE_ornuked *seq)
1819 CODE: 2062 CODE:
1820 if (seq) 2063 if (seq)
1821 seq->close (seq, 0); 2064 seq->close (seq, 0);
1822 2065
1823int initial_value (DB_SEQUENCE *seq, db_seq_t value) 2066int initial_value (DB_SEQUENCE *seq, db_seq_t value)
… …
1842 CODE: 2085 CODE:
1843 RETVAL = seq->set_range (seq, min, max); 2086 RETVAL = seq->set_range (seq, min, max);
1844 OUTPUT: 2087 OUTPUT:
1845 RETVAL 2088 RETVAL
1846 2089
2090

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