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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 1.36 by root, Sun Mar 30 08:01:58 2008 UTC

1/* solaris */ 1#include "xthread.h"
2#define _POSIX_PTHREAD_SEMANTICS 1
3
4#if __linux && !defined(_GNU_SOURCE)
5# define _GNU_SOURCE
6#endif
7
8/* just in case */
9#define _REENTRANT 1
10 2
11#include <errno.h> 3#include <errno.h>
12 4
13#include "EXTERN.h" 5#include "EXTERN.h"
14#include "perl.h" 6#include "perl.h"
15#include "XSUB.h" 7#include "XSUB.h"
16 8
17#include <pthread.h> 9// perl stupidly defines these as macros, breaking
10// lots and lots of code.
11#undef open
12#undef close
13#undef abort
14#undef malloc
15#undef free
16#undef send
18 17
19#include <stddef.h> 18#include <stddef.h>
20#include <stdlib.h> 19#include <stdlib.h>
21#include <errno.h> 20#include <errno.h>
22#include <sys/time.h>
23#include <sys/types.h> 21#include <sys/types.h>
24#include <limits.h> 22#include <limits.h>
25#include <unistd.h>
26#include <fcntl.h> 23#include <fcntl.h>
27 24
25#ifndef _WIN32
26# include <sys/time.h>
27# include <unistd.h>
28#endif
29
28#include <db.h> 30#include <db.h>
29 31
30#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 5) 32#if DB_VERSION_MAJOR < 4 || (DB_VERSION_MAJOR == 4 && DB_VERSION_MINOR < 4)
31# error you need Berkeley DB 4.5 or newer installed 33# error you need Berkeley DB 4.4 or newer installed
32#endif 34#endif
33 35
34/* number of seconds after which idle threads exit */ 36/* number of seconds after which idle threads exit */
35#define IDLE_TIMEOUT 10 37#define IDLE_TIMEOUT 10
36
37/* wether word reads are potentially non-atomic.
38 * this is conservatice, likely most arches this runs
39 * on have atomic word read/writes.
40 */
41#ifndef WORDACCESS_UNSAFE
42# if __i386 || __x86_64
43# define WORDACCESS_UNSAFE 0
44# else
45# define WORDACCESS_UNSAFE 1
46# endif
47#endif
48 38
49typedef DB_ENV DB_ENV_ornull; 39typedef DB_ENV DB_ENV_ornull;
50typedef DB_TXN DB_TXN_ornull; 40typedef DB_TXN DB_TXN_ornull;
51typedef DBC DBC_ornull; 41typedef DBC DBC_ornull;
52typedef DB DB_ornull; 42typedef DB DB_ornull;
53typedef DB_SEQUENCE DB_SEQUENCE_ornull; 43typedef DB_SEQUENCE DB_SEQUENCE_ornull;
54 44
45typedef DB_ENV DB_ENV_ornuked;
46typedef DB_TXN DB_TXN_ornuked;
47typedef DBC DBC_ornuked;
48typedef DB DB_ornuked;
49typedef DB_SEQUENCE DB_SEQUENCE_ornuked;
50
55typedef SV SV8; /* byte-sv, used for argument-checking */ 51typedef SV SV8; /* byte-sv, used for argument-checking */
56typedef char *octetstring; 52typedef char *bdb_filename;
57 53
58static SV *prepare_cb; 54static SV *prepare_cb;
59 55
56#if DB_VERSION_MINOR >= 6
57# define c_close close
58# define c_count count
59# define c_del del
60# define c_dup dup
61# define c_get get
62# define c_pget pget
63# define c_put put
64#endif
65
60static inline char * 66static char *
67get_bdb_filename (SV *sv)
68{
69 if (!SvOK (sv))
70 return 0;
71
72#if _WIN32
73 /* win32 madness + win32 perl absolutely brokenness make for horrible hacks */
74 {
75 STRLEN len;
76 char *src = SvPVbyte (sv, len);
77 SV *t1 = sv_newmortal ();
78 SV *t2 = sv_newmortal ();
79
80 sv_upgrade (t1, SVt_PV); SvPOK_only (t1); SvGROW (t1, len * 16 + 1);
81 sv_upgrade (t2, SVt_PV); SvPOK_only (t2); SvGROW (t2, len * 16 + 1);
82
83 len = MultiByteToWideChar (CP_ACP, 0, src, len, (WCHAR *)SvPVX (t1), SvLEN (t1) / sizeof (WCHAR));
84 len = WideCharToMultiByte (CP_UTF8, 0, (WCHAR *)SvPVX (t1), len, SvPVX (t2), SvLEN (t2), 0, 0);
85 SvPOK_only (t2);
86 SvPVX (t2)[len] = 0;
87 SvCUR_set (t2, len);
88
89 return SvPVX (t2);
90 }
91#else
92 return SvPVbyte_nolen (sv);
93#endif
94}
95
96static void
97debug_errcall (const DB_ENV *dbenv, const char *errpfx, const char *msg)
98{
99 printf ("err[%s]\n", msg);
100}
101
102static void
103debug_msgcall (const DB_ENV *dbenv, const char *msg)
104{
105 printf ("msg[%s]\n", msg);
106}
107
108static char *
61strdup_ornull (const char *s) 109strdup_ornull (const char *s)
62{ 110{
63 return s ? strdup (s) : 0; 111 return s ? strdup (s) : 0;
64} 112}
65 113
66static inline void 114static void
67sv_to_dbt (DBT *dbt, SV *sv) 115sv_to_dbt (DBT *dbt, SV *sv)
68{ 116{
69 STRLEN len; 117 STRLEN len;
70 char *data = SvPVbyte (sv, len); 118 char *data = SvPVbyte (sv, len);
71 119
… …
73 memcpy (dbt->data, data, len); 121 memcpy (dbt->data, data, len);
74 dbt->size = len; 122 dbt->size = len;
75 dbt->flags = DB_DBT_REALLOC; 123 dbt->flags = DB_DBT_REALLOC;
76} 124}
77 125
78static inline void 126static void
79dbt_to_sv (SV *sv, DBT *dbt) 127dbt_to_sv (SV *sv, DBT *dbt)
80{ 128{
81 if (sv) 129 if (sv)
82 { 130 {
83 SvREADONLY_off (sv); 131 SvREADONLY_off (sv);
… …
90 138
91enum { 139enum {
92 REQ_QUIT, 140 REQ_QUIT,
93 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 141 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
94 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 142 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
95 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, 143 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, 144 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
97 REQ_TXN_COMMIT, REQ_TXN_ABORT, 145 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, 146 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, 147 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
100}; 148};
101 149
102typedef struct aio_cb 150typedef struct bdb_cb
103{ 151{
104 struct aio_cb *volatile next; 152 struct bdb_cb *volatile next;
105 SV *callback; 153 SV *callback;
106 int type, pri, result; 154 int type, pri, result;
107 155
108 DB_ENV *env; 156 DB_ENV *env;
109 DB *db; 157 DB *db;
… …
118 166
119 DBT dbt1, dbt2, dbt3; 167 DBT dbt1, dbt2, dbt3;
120 DB_KEY_RANGE key_range; 168 DB_KEY_RANGE key_range;
121 DB_SEQUENCE *seq; 169 DB_SEQUENCE *seq;
122 db_seq_t seq_t; 170 db_seq_t seq_t;
123} aio_cb; 171} bdb_cb;
124 172
125typedef aio_cb *aio_req; 173typedef bdb_cb *bdb_req;
126 174
127enum { 175enum {
128 PRI_MIN = -4, 176 PRI_MIN = -4,
129 PRI_MAX = 4, 177 PRI_MAX = 4,
130 178
… …
147 195
148static int next_pri = DEFAULT_PRI + PRI_BIAS; 196static int next_pri = DEFAULT_PRI + PRI_BIAS;
149 197
150static unsigned int started, idle, wanted; 198static unsigned int started, idle, wanted;
151 199
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 */ 200/* worker threads management */
162static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 201static mutex_t wrklock = X_MUTEX_INIT;
163 202
164typedef struct worker { 203typedef struct worker {
165 /* locked by wrklock */ 204 /* locked by wrklock */
166 struct worker *prev, *next; 205 struct worker *prev, *next;
167 206
168 pthread_t tid; 207 thread_t tid;
169 208
170 /* locked by reslock, reqlock or wrklock */ 209 /* locked by reslock, reqlock or wrklock */
171 aio_req req; /* currently processed request */ 210 bdb_req req; /* currently processed request */
172 void *dbuf; 211 void *dbuf;
173 DIR *dirp; 212 DIR *dirp;
174} worker; 213} worker;
175 214
176static worker wrk_first = { &wrk_first, &wrk_first, 0 }; 215static worker wrk_first = { &wrk_first, &wrk_first, 0 };
… …
188} 227}
189 228
190static volatile unsigned int nreqs, nready, npending; 229static volatile unsigned int nreqs, nready, npending;
191static volatile unsigned int max_idle = 4; 230static volatile unsigned int max_idle = 4;
192static volatile unsigned int max_outstanding = 0xffffffff; 231static volatile unsigned int max_outstanding = 0xffffffff;
193static int respipe [2]; 232static int respipe_osf [2], respipe [2] = { -1, -1 };
194 233
195static pthread_mutex_t reslock = AIO_MUTEX_INIT; 234static mutex_t reslock = X_MUTEX_INIT;
196static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 235static mutex_t reqlock = X_MUTEX_INIT;
197static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 236static cond_t reqwait = X_COND_INIT;
198 237
199#if WORDACCESS_UNSAFE 238#if WORDACCESS_UNSAFE
200 239
201static unsigned int get_nready () 240static unsigned int get_nready (void)
202{ 241{
203 unsigned int retval; 242 unsigned int retval;
204 243
205 LOCK (reqlock); 244 X_LOCK (reqlock);
206 retval = nready; 245 retval = nready;
207 UNLOCK (reqlock); 246 X_UNLOCK (reqlock);
208 247
209 return retval; 248 return retval;
210} 249}
211 250
212static unsigned int get_npending () 251static unsigned int get_npending (void)
213{ 252{
214 unsigned int retval; 253 unsigned int retval;
215 254
216 LOCK (reslock); 255 X_LOCK (reslock);
217 retval = npending; 256 retval = npending;
218 UNLOCK (reslock); 257 X_UNLOCK (reslock);
219 258
220 return retval; 259 return retval;
221} 260}
222 261
223static unsigned int get_nthreads () 262static unsigned int get_nthreads (void)
224{ 263{
225 unsigned int retval; 264 unsigned int retval;
226 265
227 LOCK (wrklock); 266 X_LOCK (wrklock);
228 retval = started; 267 retval = started;
229 UNLOCK (wrklock); 268 X_UNLOCK (wrklock);
230 269
231 return retval; 270 return retval;
232} 271}
233 272
234#else 273#else
… …
243 * a somewhat faster data structure might be nice, but 282 * a somewhat faster data structure might be nice, but
244 * with 8 priorities this actually needs <20 insns 283 * with 8 priorities this actually needs <20 insns
245 * per shift, the most expensive operation. 284 * per shift, the most expensive operation.
246 */ 285 */
247typedef struct { 286typedef struct {
248 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ 287 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249 int size; 288 int size;
250} reqq; 289} reqq;
251 290
252static reqq req_queue; 291static reqq req_queue;
253static reqq res_queue; 292static reqq res_queue;
254 293
255int reqq_push (reqq *q, aio_req req) 294int reqq_push (reqq *q, bdb_req req)
256{ 295{
257 int pri = req->pri; 296 int pri = req->pri;
258 req->next = 0; 297 req->next = 0;
259 298
260 if (q->qe[pri]) 299 if (q->qe[pri])
… …
266 q->qe[pri] = q->qs[pri] = req; 305 q->qe[pri] = q->qs[pri] = req;
267 306
268 return q->size++; 307 return q->size++;
269} 308}
270 309
271aio_req reqq_shift (reqq *q) 310bdb_req reqq_shift (reqq *q)
272{ 311{
273 int pri; 312 int pri;
274 313
275 if (!q->size) 314 if (!q->size)
276 return 0; 315 return 0;
277 316
278 --q->size; 317 --q->size;
279 318
280 for (pri = NUM_PRI; pri--; ) 319 for (pri = NUM_PRI; pri--; )
281 { 320 {
282 aio_req req = q->qs[pri]; 321 bdb_req req = q->qs[pri];
283 322
284 if (req) 323 if (req)
285 { 324 {
286 if (!(q->qs[pri] = req->next)) 325 if (!(q->qs[pri] = req->next))
287 q->qe[pri] = 0; 326 q->qe[pri] = 0;
… …
291 } 330 }
292 331
293 abort (); 332 abort ();
294} 333}
295 334
296static int poll_cb (); 335static int poll_cb (void);
297static void req_free (aio_req req); 336static void req_free (bdb_req req);
298static void req_cancel (aio_req req); 337static void req_cancel (bdb_req req);
299 338
300static int req_invoke (aio_req req) 339static int req_invoke (bdb_req req)
301{ 340{
302 dSP; 341 dSP;
303 342
304 if (SvOK (req->callback)) 343 if (SvOK (req->callback))
305 { 344 {
… …
323 dbt_to_sv (req->sv1, &req->dbt1); 362 dbt_to_sv (req->sv1, &req->dbt1);
324 dbt_to_sv (req->sv2, &req->dbt2); 363 dbt_to_sv (req->sv2, &req->dbt2);
325 dbt_to_sv (req->sv3, &req->dbt3); 364 dbt_to_sv (req->sv3, &req->dbt3);
326 break; 365 break;
327 366
367 case REQ_DB_PUT:
368 case REQ_C_PUT:
369 dbt_to_sv (0, &req->dbt1);
370 dbt_to_sv (0, &req->dbt2);
371 break;
372
328 case REQ_DB_KEY_RANGE: 373 case REQ_DB_KEY_RANGE:
329 { 374 {
330 AV *av = newAV (); 375 AV *av = newAV ();
331 376
332 av_push (av, newSVnv (req->key_range.less)); 377 av_push (av, newSVnv (req->key_range.less));
… …
341 386
342 case REQ_SEQ_GET: 387 case REQ_SEQ_GET:
343 SvREADONLY_off (req->sv1); 388 SvREADONLY_off (req->sv1);
344 389
345 if (sizeof (IV) > 4) 390 if (sizeof (IV) > 4)
346 sv_setiv_mg (req->sv1, req->seq_t); 391 sv_setiv_mg (req->sv1, (IV)req->seq_t);
347 else 392 else
348 sv_setnv_mg (req->sv1, req->seq_t); 393 sv_setnv_mg (req->sv1, (NV)req->seq_t);
349 394
350 SvREFCNT_dec (req->sv1); 395 SvREFCNT_dec (req->sv1);
351 break; 396 break;
352 } 397 }
353 398
… …
362 } 407 }
363 408
364 return !SvTRUE (ERRSV); 409 return !SvTRUE (ERRSV);
365} 410}
366 411
367static void req_free (aio_req req) 412static void req_free (bdb_req req)
368{ 413{
369 free (req->buf1); 414 free (req->buf1);
370 free (req->buf2); 415 free (req->buf2);
371 Safefree (req); 416 Safefree (req);
372} 417}
373 418
374static void *aio_proc (void *arg); 419#ifdef USE_SOCKETS_AS_HANDLES
420# define TO_SOCKET(x) (win32_get_osfhandle (x))
421#else
422# define TO_SOCKET(x) (x)
423#endif
424
425static void
426create_respipe (void)
427{
428#ifdef _WIN32
429 int arg; /* argg */
430#endif
431 int old_readfd = respipe [0];
432
433 if (respipe [1] >= 0)
434 respipe_close (TO_SOCKET (respipe [1]));
435
436#ifdef _WIN32
437 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
438#else
439 if (pipe (respipe))
440#endif
441 croak ("unable to initialize result pipe");
442
443 if (old_readfd >= 0)
444 {
445 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
446 croak ("unable to initialize result pipe(2)");
447
448 respipe_close (respipe [0]);
449 respipe [0] = old_readfd;
450 }
451
452#ifdef _WIN32
453 arg = 1;
454 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
455 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
456#else
457 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
458 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
459#endif
460 croak ("unable to initialize result pipe(3)");
461
462 respipe_osf [0] = TO_SOCKET (respipe [0]);
463 respipe_osf [1] = TO_SOCKET (respipe [1]);
464}
465
466X_THREAD_PROC (bdb_proc);
375 467
376static void start_thread (void) 468static void start_thread (void)
377{ 469{
378 sigset_t fullsigset, oldsigset;
379 pthread_attr_t attr;
380
381 worker *wrk = calloc (1, sizeof (worker)); 470 worker *wrk = calloc (1, sizeof (worker));
382 471
383 if (!wrk) 472 if (!wrk)
384 croak ("unable to allocate worker thread data"); 473 croak ("unable to allocate worker thread data");
385 474
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); 475 X_LOCK (wrklock);
395 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 476 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398 { 477 {
399 wrk->prev = &wrk_first; 478 wrk->prev = &wrk_first;
400 wrk->next = wrk_first.next; 479 wrk->next = wrk_first.next;
401 wrk_first.next->prev = wrk; 480 wrk_first.next->prev = wrk;
402 wrk_first.next = wrk; 481 wrk_first.next = wrk;
403 ++started; 482 ++started;
404 } 483 }
405 else 484 else
406 free (wrk); 485 free (wrk);
407 486
408 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409 UNLOCK (wrklock); 487 X_UNLOCK (wrklock);
410} 488}
411 489
412static void maybe_start_thread () 490static void maybe_start_thread (void)
413{ 491{
414 if (get_nthreads () >= wanted) 492 if (get_nthreads () >= wanted)
415 return; 493 return;
416 494
417 /* todo: maybe use idle here, but might be less exact */ 495 /* todo: maybe use idle here, but might be less exact */
… …
419 return; 497 return;
420 498
421 start_thread (); 499 start_thread ();
422} 500}
423 501
424static void req_send (aio_req req) 502static void req_send (bdb_req req)
425{ 503{
426 SV *wait_callback = 0; 504 SV *wait_callback = 0;
427 505
428 // synthesize callback if none given 506 // synthesize callback if none given
429 if (!SvOK (req->callback)) 507 if (!SvOK (req->callback))
430 { 508 {
509 int count;
510
431 dSP; 511 dSP;
432 PUSHMARK (SP); 512 PUSHMARK (SP);
433 PUTBACK; 513 PUTBACK;
434 int count = call_sv (prepare_cb, G_ARRAY); 514 count = call_sv (prepare_cb, G_ARRAY);
435 SPAGAIN; 515 SPAGAIN;
436 516
437 if (count != 2) 517 if (count != 2)
438 croak ("prepare callback must return exactly two values\n"); 518 croak ("prepare callback must return exactly two values\n");
439 519
440 wait_callback = SvREFCNT_inc (POPs); 520 wait_callback = POPs;
441 SvREFCNT_dec (req->callback); 521 SvREFCNT_dec (req->callback);
442 req->callback = SvREFCNT_inc (POPs); 522 req->callback = SvREFCNT_inc (POPs);
443 } 523 }
444 524
445 ++nreqs; 525 ++nreqs;
446 526
447 LOCK (reqlock); 527 X_LOCK (reqlock);
448 ++nready; 528 ++nready;
449 reqq_push (&req_queue, req); 529 reqq_push (&req_queue, req);
450 pthread_cond_signal (&reqwait); 530 X_COND_SIGNAL (reqwait);
451 UNLOCK (reqlock); 531 X_UNLOCK (reqlock);
452 532
453 maybe_start_thread (); 533 maybe_start_thread ();
454 534
455 if (wait_callback) 535 if (wait_callback)
456 { 536 {
457 dSP; 537 dSP;
458 PUSHMARK (SP); 538 PUSHMARK (SP);
459 PUTBACK; 539 PUTBACK;
460 call_sv (wait_callback, G_DISCARD); 540 call_sv (wait_callback, G_DISCARD);
461 SvREFCNT_dec (wait_callback);
462 } 541 }
463} 542}
464 543
465static void end_thread (void) 544static void end_thread (void)
466{ 545{
467 aio_req req; 546 bdb_req req;
468 547
469 Newz (0, req, 1, aio_cb); 548 Newz (0, req, 1, bdb_cb);
470 549
471 req->type = REQ_QUIT; 550 req->type = REQ_QUIT;
472 req->pri = PRI_MAX + PRI_BIAS; 551 req->pri = PRI_MAX + PRI_BIAS;
473 552
474 LOCK (reqlock); 553 X_LOCK (reqlock);
475 reqq_push (&req_queue, req); 554 reqq_push (&req_queue, req);
476 pthread_cond_signal (&reqwait); 555 X_COND_SIGNAL (reqwait);
477 UNLOCK (reqlock); 556 X_UNLOCK (reqlock);
478 557
479 LOCK (wrklock); 558 X_LOCK (wrklock);
480 --started; 559 --started;
481 UNLOCK (wrklock); 560 X_UNLOCK (wrklock);
482} 561}
483 562
484static void set_max_idle (int nthreads) 563static void set_max_idle (int nthreads)
485{ 564{
486 if (WORDACCESS_UNSAFE) LOCK (reqlock); 565 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487 max_idle = nthreads <= 0 ? 1 : nthreads; 566 max_idle = nthreads <= 0 ? 1 : nthreads;
488 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 567 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489} 568}
490 569
491static void min_parallel (int nthreads) 570static void min_parallel (int nthreads)
492{ 571{
493 if (wanted < nthreads) 572 if (wanted < nthreads)
… …
501 580
502 while (started > wanted) 581 while (started > wanted)
503 end_thread (); 582 end_thread ();
504} 583}
505 584
506static void poll_wait () 585static void poll_wait (void)
507{ 586{
508 fd_set rfd; 587 fd_set rfd;
509 588
510 while (nreqs) 589 while (nreqs)
511 { 590 {
512 int size; 591 int size;
513 if (WORDACCESS_UNSAFE) LOCK (reslock); 592 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514 size = res_queue.size; 593 size = res_queue.size;
515 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 594 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516 595
517 if (size) 596 if (size)
518 return; 597 return;
519 598
520 maybe_start_thread (); 599 maybe_start_thread ();
521 600
522 FD_ZERO(&rfd); 601 FD_ZERO (&rfd);
523 FD_SET(respipe [0], &rfd); 602 FD_SET (respipe [0], &rfd);
524 603
525 select (respipe [0] + 1, &rfd, 0, 0, 0); 604 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526 } 605 }
527} 606}
528 607
529static int poll_cb () 608static int poll_cb (void)
530{ 609{
531 dSP; 610 dSP;
532 int count = 0; 611 int count = 0;
533 int maxreqs = max_poll_reqs; 612 int maxreqs = max_poll_reqs;
534 int do_croak = 0; 613 int do_croak = 0;
535 struct timeval tv_start, tv_now; 614 struct timeval tv_start, tv_now;
536 aio_req req; 615 bdb_req req;
537 616
538 if (max_poll_time) 617 if (max_poll_time)
539 gettimeofday (&tv_start, 0); 618 gettimeofday (&tv_start, 0);
540 619
541 for (;;) 620 for (;;)
542 { 621 {
543 for (;;) 622 for (;;)
544 { 623 {
545 maybe_start_thread (); 624 maybe_start_thread ();
546 625
547 LOCK (reslock); 626 X_LOCK (reslock);
548 req = reqq_shift (&res_queue); 627 req = reqq_shift (&res_queue);
549 628
550 if (req) 629 if (req)
551 { 630 {
552 --npending; 631 --npending;
553 632
554 if (!res_queue.size) 633 if (!res_queue.size)
555 { 634 {
556 /* read any signals sent by the worker threads */ 635 /* read any signals sent by the worker threads */
557 char buf [4]; 636 char buf [4];
558 while (read (respipe [0], buf, 4) == 4) 637 while (respipe_read (respipe [0], buf, 4) == 4)
559 ; 638 ;
560 } 639 }
561 } 640 }
562 641
563 UNLOCK (reslock); 642 X_UNLOCK (reslock);
564 643
565 if (!req) 644 if (!req)
566 break; 645 break;
567 646
568 --nreqs; 647 --nreqs;
… …
598 } 677 }
599 678
600 return count; 679 return count;
601} 680}
602 681
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/*****************************************************************************/ 682/*****************************************************************************/
616 683
617static void *aio_proc (void *thr_arg) 684X_THREAD_PROC (bdb_proc)
618{ 685{
619 aio_req req; 686 bdb_req req;
620 struct timespec ts; 687 struct timespec ts;
621 worker *self = (worker *)thr_arg; 688 worker *self = (worker *)thr_arg;
622 689
623 /* try to distribute timeouts somewhat evenly */ 690 /* try to distribute timeouts somewhat evenly */
624 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 691 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625 * (1000000000UL / 1024UL);
626 692
627 for (;;) 693 for (;;)
628 { 694 {
629 ts.tv_sec = time (0) + IDLE_TIMEOUT; 695 ts.tv_sec = time (0) + IDLE_TIMEOUT;
630 696
631 LOCK (reqlock); 697 X_LOCK (reqlock);
632 698
633 for (;;) 699 for (;;)
634 { 700 {
635 self->req = req = reqq_shift (&req_queue); 701 self->req = req = reqq_shift (&req_queue);
636 702
637 if (req) 703 if (req)
638 break; 704 break;
639 705
640 ++idle; 706 ++idle;
641 707
642 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 708 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643 == ETIMEDOUT) 709 == ETIMEDOUT)
644 { 710 {
645 if (idle > max_idle) 711 if (idle > max_idle)
646 { 712 {
647 --idle; 713 --idle;
648 UNLOCK (reqlock); 714 X_UNLOCK (reqlock);
649 LOCK (wrklock); 715 X_LOCK (wrklock);
650 --started; 716 --started;
651 UNLOCK (wrklock); 717 X_UNLOCK (wrklock);
652 goto quit; 718 goto quit;
653 } 719 }
654 720
655 /* we are allowed to idle, so do so without any timeout */ 721 /* we are allowed to idle, so do so without any timeout */
656 pthread_cond_wait (&reqwait, &reqlock); 722 X_COND_WAIT (reqwait, reqlock);
657 ts.tv_sec = time (0) + IDLE_TIMEOUT; 723 ts.tv_sec = time (0) + IDLE_TIMEOUT;
658 } 724 }
659 725
660 --idle; 726 --idle;
661 } 727 }
662 728
663 --nready; 729 --nready;
664 730
665 UNLOCK (reqlock); 731 X_UNLOCK (reqlock);
666 732
667 switch (req->type) 733 switch (req->type)
668 { 734 {
669 case REQ_QUIT: 735 case REQ_QUIT:
736 req->result = ENOSYS;
670 goto quit; 737 goto quit;
671 738
672 case REQ_ENV_OPEN: 739 case REQ_ENV_OPEN:
673 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 740 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674 break; 741 break;
… …
707 774
708 case REQ_DB_SYNC: 775 case REQ_DB_SYNC:
709 req->result = req->db->sync (req->db, req->uint1); 776 req->result = req->db->sync (req->db, req->uint1);
710 break; 777 break;
711 778
779 case REQ_DB_UPGRADE:
780 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
781 break;
782
712 case REQ_DB_PUT: 783 case REQ_DB_PUT:
713 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); 784 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714 break; 785 break;
715 786
716 case REQ_DB_GET: 787 case REQ_DB_GET:
… …
733 req->result = req->txn->commit (req->txn, req->uint1); 804 req->result = req->txn->commit (req->txn, req->uint1);
734 break; 805 break;
735 806
736 case REQ_TXN_ABORT: 807 case REQ_TXN_ABORT:
737 req->result = req->txn->abort (req->txn); 808 req->result = req->txn->abort (req->txn);
809 break;
810
811 case REQ_TXN_FINISH:
812 if (req->txn->flags & TXN_DEADLOCK)
813 {
814 req->result = req->txn->abort (req->txn);
815 if (!req->result)
816 req->result = DB_LOCK_DEADLOCK;
817 }
818 else
819 req->result = req->txn->commit (req->txn, req->uint1);
738 break; 820 break;
739 821
740 case REQ_C_CLOSE: 822 case REQ_C_CLOSE:
741 req->result = req->dbc->c_close (req->dbc); 823 req->result = req->dbc->c_close (req->dbc);
742 break; 824 break;
… …
784 default: 866 default:
785 req->result = ENOSYS; 867 req->result = ENOSYS;
786 break; 868 break;
787 } 869 }
788 870
871 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
872 req->txn->flags |= TXN_DEADLOCK;
873
789 LOCK (reslock); 874 X_LOCK (reslock);
790 875
791 ++npending; 876 ++npending;
792 877
793 if (!reqq_push (&res_queue, req)) 878 if (!reqq_push (&res_queue, req))
794 /* write a dummy byte to the pipe so fh becomes ready */ 879 /* write a dummy byte to the pipe so fh becomes ready */
795 write (respipe [1], &respipe, 1); 880 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796 881
797 self->req = 0; 882 self->req = 0;
798 worker_clear (self); 883 worker_clear (self);
799 884
800 UNLOCK (reslock); 885 X_UNLOCK (reslock);
801 } 886 }
802 887
803quit: 888quit:
804 LOCK (wrklock); 889 X_LOCK (wrklock);
805 worker_free (self); 890 worker_free (self);
806 UNLOCK (wrklock); 891 X_UNLOCK (wrklock);
807 892
808 return 0; 893 return 0;
809} 894}
810 895
811/*****************************************************************************/ 896/*****************************************************************************/
812 897
813static void atfork_prepare (void) 898static void atfork_prepare (void)
814{ 899{
815 LOCK (wrklock); 900 X_LOCK (wrklock);
816 LOCK (reqlock); 901 X_LOCK (reqlock);
817 LOCK (reslock); 902 X_LOCK (reslock);
818} 903}
819 904
820static void atfork_parent (void) 905static void atfork_parent (void)
821{ 906{
822 UNLOCK (reslock); 907 X_UNLOCK (reslock);
823 UNLOCK (reqlock); 908 X_UNLOCK (reqlock);
824 UNLOCK (wrklock); 909 X_UNLOCK (wrklock);
825} 910}
826 911
827static void atfork_child (void) 912static void atfork_child (void)
828{ 913{
829 aio_req prv; 914 bdb_req prv;
830 915
831 while (prv = reqq_shift (&req_queue)) 916 while (prv = reqq_shift (&req_queue))
832 req_free (prv); 917 req_free (prv);
833 918
834 while (prv = reqq_shift (&res_queue)) 919 while (prv = reqq_shift (&res_queue))
… …
849 idle = 0; 934 idle = 0;
850 nreqs = 0; 935 nreqs = 0;
851 nready = 0; 936 nready = 0;
852 npending = 0; 937 npending = 0;
853 938
854 close (respipe [0]);
855 close (respipe [1]);
856 create_pipe (); 939 create_respipe ();
857 940
858 atfork_parent (); 941 atfork_parent ();
859} 942}
860 943
861#define dREQ(reqtype) \ 944#define dREQ(reqtype) \
862 aio_req req; \ 945 bdb_req req; \
863 int req_pri = next_pri; \ 946 int req_pri = next_pri; \
864 next_pri = DEFAULT_PRI + PRI_BIAS; \ 947 next_pri = DEFAULT_PRI + PRI_BIAS; \
865 \ 948 \
866 if (SvOK (callback) && !SvROK (callback)) \ 949 if (SvOK (callback) && !SvROK (callback)) \
867 croak ("callback must be undef or of reference type"); \ 950 croak ("callback must be undef or of reference type"); \
868 \ 951 \
869 Newz (0, req, 1, aio_cb); \ 952 Newz (0, req, 1, bdb_cb); \
870 if (!req) \ 953 if (!req) \
871 croak ("out of memory during aio_req allocation"); \ 954 croak ("out of memory during bdb_req allocation"); \
872 \ 955 \
873 req->callback = newSVsv (callback); \ 956 req->callback = newSVsv (callback); \
874 req->type = (reqtype); \ 957 req->type = (reqtype); \
875 req->pri = req_pri 958 req->pri = req_pri
876 959
877#define REQ_SEND \ 960#define REQ_SEND \
878 req_send (req) 961 req_send (req)
879 962
880#define SvPTR(var, arg, type, class, nullok) \ 963#define SvPTR(var, arg, type, class, nullok) \
881 if (!SvOK (arg)) \ 964 if (!SvOK (arg)) \
882 { \ 965 { \
883 if (!nullok) \ 966 if (nullok != 1) \
884 croak (# var " must be a " # class " object, not undef"); \ 967 croak (# var " must be a " # class " object, not undef"); \
885 \ 968 \
886 (var) = 0; \ 969 (var) = 0; \
887 } \ 970 } \
888 else if (sv_derived_from ((arg), # class)) \ 971 else if (sv_derived_from ((arg), # class)) \
889 { \ 972 { \
890 IV tmp = SvIV ((SV*) SvRV (arg)); \ 973 IV tmp = SvIV ((SV*) SvRV (arg)); \
891 (var) = INT2PTR (type, tmp); \ 974 (var) = INT2PTR (type, tmp); \
892 if (!var) \ 975 if (!var && nullok != 2) \
893 croak (# var " is not a valid " # class " object anymore"); \ 976 croak (# var " is not a valid " # class " object anymore"); \
894 } \ 977 } \
895 else \ 978 else \
896 croak (# var " is not of type " # class); \ 979 croak (# var " is not of type " # class); \
897 \ 980 \
… …
899static void 982static void
900ptr_nuke (SV *sv) 983ptr_nuke (SV *sv)
901{ 984{
902 assert (SvROK (sv)); 985 assert (SvROK (sv));
903 sv_setiv (SvRV (sv), 0); 986 sv_setiv (SvRV (sv), 0);
987}
988
989static int
990errno_get (pTHX_ SV *sv, MAGIC *mg)
991{
992 if (*mg->mg_ptr == '!') // should always be the case
993 if (-30999 <= errno && errno <= -30800)
994 {
995 sv_setnv (sv, (NV)errno);
996 sv_setpv (sv, db_strerror (errno));
997 SvNOK_on (sv); /* what a wonderful hack! */
998 // ^^^ copied from perl sources
999 return 0;
1000 }
1001
1002 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1003}
1004
1005static MGVTBL vtbl_errno;
1006
1007// this wonderful hack :( patches perl's $! variable to support our errno values
1008static void
1009patch_errno (void)
1010{
1011 SV *sv;
1012 MAGIC *mg;
1013
1014 if (!(sv = get_sv ("!", 1)))
1015 return;
1016
1017 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1018 return;
1019
1020 if (mg->mg_virtual != &PL_vtbl_sv)
1021 return;
1022
1023 vtbl_errno = PL_vtbl_sv;
1024 vtbl_errno.svt_get = errno_get;
1025 mg->mg_virtual = &vtbl_errno;
904} 1026}
905 1027
906MODULE = BDB PACKAGE = BDB 1028MODULE = BDB PACKAGE = BDB
907 1029
908PROTOTYPES: ENABLE 1030PROTOTYPES: ENABLE
… …
925 const_iv (INIT_TXN) 1047 const_iv (INIT_TXN)
926 const_iv (RECOVER) 1048 const_iv (RECOVER)
927 const_iv (INIT_TXN) 1049 const_iv (INIT_TXN)
928 const_iv (RECOVER_FATAL) 1050 const_iv (RECOVER_FATAL)
929 const_iv (CREATE) 1051 const_iv (CREATE)
1052 const_iv (RDONLY)
930 const_iv (USE_ENVIRON) 1053 const_iv (USE_ENVIRON)
931 const_iv (USE_ENVIRON_ROOT) 1054 const_iv (USE_ENVIRON_ROOT)
932 const_iv (LOCKDOWN) 1055 const_iv (LOCKDOWN)
933 const_iv (PRIVATE) 1056 const_iv (PRIVATE)
934 const_iv (REGISTER) 1057 const_iv (REGISTER)
… …
940 const_iv (DSYNC_DB) 1063 const_iv (DSYNC_DB)
941 const_iv (DSYNC_LOG) 1064 const_iv (DSYNC_LOG)
942 const_iv (LOG_AUTOREMOVE) 1065 const_iv (LOG_AUTOREMOVE)
943 const_iv (LOG_INMEMORY) 1066 const_iv (LOG_INMEMORY)
944 const_iv (NOLOCKING) 1067 const_iv (NOLOCKING)
945 const_iv (MULTIVERSION)
946 const_iv (NOMMAP) 1068 const_iv (NOMMAP)
947 const_iv (NOPANIC) 1069 const_iv (NOPANIC)
948 const_iv (OVERWRITE) 1070 const_iv (OVERWRITE)
949 const_iv (PANIC_ENVIRONMENT) 1071 const_iv (PANIC_ENVIRONMENT)
950 const_iv (REGION_INIT) 1072 const_iv (REGION_INIT)
951 const_iv (TIME_NOTGRANTED) 1073 const_iv (TIME_NOTGRANTED)
952 const_iv (TXN_NOSYNC) 1074 const_iv (TXN_NOSYNC)
953 const_iv (TXN_SNAPSHOT) 1075 const_iv (TXN_NOT_DURABLE)
954 const_iv (TXN_WRITE_NOSYNC) 1076 const_iv (TXN_WRITE_NOSYNC)
955 const_iv (WRITECURSOR) 1077 const_iv (WRITECURSOR)
956 const_iv (YIELDCPU) 1078 const_iv (YIELDCPU)
957 const_iv (ENCRYPT_AES) 1079 const_iv (ENCRYPT_AES)
958 const_iv (XA_CREATE) 1080 const_iv (XA_CREATE)
… …
966 const_iv (READ_UNCOMMITTED) 1088 const_iv (READ_UNCOMMITTED)
967 const_iv (TRUNCATE) 1089 const_iv (TRUNCATE)
968 const_iv (NOSYNC) 1090 const_iv (NOSYNC)
969 const_iv (CHKSUM) 1091 const_iv (CHKSUM)
970 const_iv (ENCRYPT) 1092 const_iv (ENCRYPT)
971 const_iv (TXN_NOT_DURABLE)
972 const_iv (DUP) 1093 const_iv (DUP)
973 const_iv (DUPSORT) 1094 const_iv (DUPSORT)
974 const_iv (RECNUM) 1095 const_iv (RECNUM)
975 const_iv (RENUMBER) 1096 const_iv (RENUMBER)
976 const_iv (REVSPLITOFF) 1097 const_iv (REVSPLITOFF)
… …
981 const_iv (GET_BOTH_RANGE) 1102 const_iv (GET_BOTH_RANGE)
982 //const_iv (SET_RECNO) 1103 //const_iv (SET_RECNO)
983 //const_iv (MULTIPLE) 1104 //const_iv (MULTIPLE)
984 const_iv (SNAPSHOT) 1105 const_iv (SNAPSHOT)
985 const_iv (JOIN_ITEM) 1106 const_iv (JOIN_ITEM)
1107 const_iv (JOIN_NOSORT)
986 const_iv (RMW) 1108 const_iv (RMW)
987 1109
988 const_iv (NOTFOUND) 1110 const_iv (NOTFOUND)
989 const_iv (KEYEMPTY) 1111 const_iv (KEYEMPTY)
990 const_iv (LOCK_DEADLOCK) 1112 const_iv (LOCK_DEADLOCK)
… …
1001 const_iv (APPEND) 1123 const_iv (APPEND)
1002 const_iv (NODUPDATA) 1124 const_iv (NODUPDATA)
1003 const_iv (NOOVERWRITE) 1125 const_iv (NOOVERWRITE)
1004 1126
1005 const_iv (TXN_NOWAIT) 1127 const_iv (TXN_NOWAIT)
1006 const_iv (TXN_SNAPSHOT)
1007 const_iv (TXN_SYNC) 1128 const_iv (TXN_SYNC)
1008 1129
1009 const_iv (SET_LOCK_TIMEOUT) 1130 const_iv (SET_LOCK_TIMEOUT)
1010 const_iv (SET_TXN_TIMEOUT) 1131 const_iv (SET_TXN_TIMEOUT)
1011 1132
1012 const_iv (JOIN_ITEM)
1013 const_iv (FIRST) 1133 const_iv (FIRST)
1014 const_iv (NEXT) 1134 const_iv (NEXT)
1015 const_iv (NEXT_DUP) 1135 const_iv (NEXT_DUP)
1016 const_iv (NEXT_NODUP) 1136 const_iv (NEXT_NODUP)
1017 const_iv (PREV) 1137 const_iv (PREV)
… …
1039 const_iv (LOCK_YOUNGEST) 1159 const_iv (LOCK_YOUNGEST)
1040 1160
1041 const_iv (SEQ_DEC) 1161 const_iv (SEQ_DEC)
1042 const_iv (SEQ_INC) 1162 const_iv (SEQ_INC)
1043 const_iv (SEQ_WRAP) 1163 const_iv (SEQ_WRAP)
1164
1165 const_iv (BUFFER_SMALL)
1166 const_iv (DONOTINDEX)
1167 const_iv (KEYEMPTY )
1168 const_iv (KEYEXIST )
1169 const_iv (LOCK_DEADLOCK)
1170 const_iv (LOCK_NOTGRANTED)
1171 const_iv (LOG_BUFFER_FULL)
1172 const_iv (NOSERVER)
1173 const_iv (NOSERVER_HOME)
1174 const_iv (NOSERVER_ID)
1175 const_iv (NOTFOUND)
1176 const_iv (PAGE_NOTFOUND)
1177 const_iv (REP_DUPMASTER)
1178 const_iv (REP_HANDLE_DEAD)
1179 const_iv (REP_HOLDELECTION)
1180 const_iv (REP_IGNORE)
1181 const_iv (REP_ISPERM)
1182 const_iv (REP_JOIN_FAILURE)
1183 const_iv (REP_LOCKOUT)
1184 const_iv (REP_NEWMASTER)
1185 const_iv (REP_NEWSITE)
1186 const_iv (REP_NOTPERM)
1187 const_iv (REP_UNAVAIL)
1188 const_iv (RUNRECOVERY)
1189 const_iv (SECONDARY_BAD)
1190 const_iv (VERIFY_BAD)
1191 const_iv (VERSION_MISMATCH)
1192
1193 const_iv (VERB_DEADLOCK)
1194 const_iv (VERB_RECOVERY)
1195 const_iv (VERB_REGISTER)
1196 const_iv (VERB_REPLICATION)
1197 const_iv (VERB_WAITSFOR)
1198
1199 const_iv (VERSION_MAJOR)
1200 const_iv (VERSION_MINOR)
1201 const_iv (VERSION_PATCH)
1202#if DB_VERSION_MINOR >= 5
1203 const_iv (MULTIVERSION)
1204 const_iv (TXN_SNAPSHOT)
1205#endif
1206#if DB_VERSION_MINOR >= 6
1207 const_iv (PREV_DUP)
1208 const_iv (PRIORITY_UNCHANGED)
1209 const_iv (PRIORITY_VERY_LOW)
1210 const_iv (PRIORITY_LOW)
1211 const_iv (PRIORITY_DEFAULT)
1212 const_iv (PRIORITY_HIGH)
1213 const_iv (PRIORITY_VERY_HIGH)
1214#endif
1044 }; 1215 };
1045 1216
1046 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1217 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1218 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048 1219
1049 create_pipe (); 1220 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1221 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1222
1223 create_respipe ();
1224
1050 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1225 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1226#ifdef _WIN32
1227 X_MUTEX_CHECK (wrklock);
1228 X_MUTEX_CHECK (reslock);
1229 X_MUTEX_CHECK (reqlock);
1230
1231 X_COND_CHECK (reqwait);
1232#endif
1233 patch_errno ();
1051} 1234}
1052 1235
1053void 1236void
1054max_poll_reqs (int nreqs) 1237max_poll_reqs (int nreqs)
1055 PROTOTYPE: $ 1238 PROTOTYPE: $
… …
1174 1357
1175int 1358int
1176nthreads () 1359nthreads ()
1177 PROTOTYPE: 1360 PROTOTYPE:
1178 CODE: 1361 CODE:
1179 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1362 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180 RETVAL = started; 1363 RETVAL = started;
1181 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1364 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182 OUTPUT: 1365 OUTPUT:
1183 RETVAL 1366 RETVAL
1184 1367
1185void 1368void
1186set_sync_prepare (SV *cb) 1369set_sync_prepare (SV *cb)
1187 PROTOTYPE: & 1370 PROTOTYPE: &
1188 CODE: 1371 CODE:
1189 SvREFCNT_dec (prepare_cb); 1372 SvREFCNT_dec (prepare_cb);
1190 prepare_cb = newSVsv (cb); 1373 prepare_cb = newSVsv (cb);
1191 1374
1375char *
1376strerror (int errorno = errno)
1377 PROTOTYPE: ;$
1378 CODE:
1379 RETVAL = db_strerror (errorno);
1380 OUTPUT:
1381 RETVAL
1192 1382
1193DB_ENV * 1383DB_ENV *
1194db_env_create (U32 env_flags = 0) 1384db_env_create (U32 env_flags = 0)
1195 CODE: 1385 CODE:
1196{ 1386{
1197 errno = db_env_create (&RETVAL, env_flags); 1387 errno = db_env_create (&RETVAL, env_flags);
1198 if (errno) 1388 if (errno)
1199 croak ("db_env_create: %s", db_strerror (errno)); 1389 croak ("db_env_create: %s", db_strerror (errno));
1390
1391 if (0)
1392 {
1393 RETVAL->set_errcall (RETVAL, debug_errcall);
1394 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1395 }
1200} 1396}
1201 OUTPUT: 1397 OUTPUT:
1202 RETVAL 1398 RETVAL
1203 1399
1204void 1400void
1205db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1401db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1206 CODE: 1402 CODE:
1207{ 1403{
1208 env->set_thread_count (env, get_nthreads ());
1209
1210 dREQ (REQ_ENV_OPEN); 1404 dREQ (REQ_ENV_OPEN);
1405
1211 req->env = env; 1406 req->env = env;
1212 req->uint1 = open_flags | DB_THREAD; 1407 req->uint1 = open_flags | DB_THREAD;
1213 req->int1 = mode; 1408 req->int1 = mode;
1214 req->buf1 = strdup_ornull (db_home); 1409 req->buf1 = strdup_ornull (db_home);
1215 REQ_SEND; 1410 REQ_SEND;
… …
1282} 1477}
1283 OUTPUT: 1478 OUTPUT:
1284 RETVAL 1479 RETVAL
1285 1480
1286void 1481void
1287db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) 1482db_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: 1483 CODE:
1289{ 1484{
1290 dREQ (REQ_DB_OPEN); 1485 dREQ (REQ_DB_OPEN);
1291 req->db = db; 1486 req->db = db;
1292 req->txn = txnid; 1487 req->txn = txnid;
… …
1332 req->uint1 = flags; 1527 req->uint1 = flags;
1333 REQ_SEND; 1528 REQ_SEND;
1334} 1529}
1335 1530
1336void 1531void
1532db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
1533 CODE:
1534{
1535 dREQ (REQ_DB_SYNC);
1536 req->db = db;
1537 req->buf1 = strdup (file);
1538 req->uint1 = flags;
1539 REQ_SEND;
1540}
1541
1542void
1337db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) 1543db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1338 CODE: 1544 CODE:
1339{ 1545{
1340 dREQ (REQ_DB_KEY_RANGE); 1546 dREQ (REQ_DB_KEY_RANGE);
1341 req->db = db; 1547 req->db = db;
… …
1360} 1566}
1361 1567
1362void 1568void
1363db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1569db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1364 CODE: 1570 CODE:
1571 if (SvREADONLY (data))
1572 croak ("can't modify read-only data scalar in db_get");
1365{ 1573{
1366 dREQ (REQ_DB_GET); 1574 dREQ (REQ_DB_GET);
1367 req->db = db; 1575 req->db = db;
1368 req->txn = txn; 1576 req->txn = txn;
1369 req->uint1 = flags; 1577 req->uint1 = flags;
… …
1374} 1582}
1375 1583
1376void 1584void
1377db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1585db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1378 CODE: 1586 CODE:
1587 if (SvREADONLY (data))
1588 croak ("can't modify read-only data scalar in db_pget");
1379{ 1589{
1380 dREQ (REQ_DB_PGET); 1590 dREQ (REQ_DB_PGET);
1381 req->db = db; 1591 req->db = db;
1382 req->txn = txn; 1592 req->txn = txn;
1383 req->uint1 = flags; 1593 req->uint1 = flags;
… …
1420 REQ_SEND; 1630 REQ_SEND;
1421 ptr_nuke (ST (0)); 1631 ptr_nuke (ST (0));
1422} 1632}
1423 1633
1424void 1634void
1635db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1636 CODE:
1637{
1638 dREQ (REQ_TXN_FINISH);
1639 req->txn = txn;
1640 req->uint1 = flags;
1641 REQ_SEND;
1642 ptr_nuke (ST (0));
1643}
1644
1645void
1425db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1646db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1426 CODE: 1647 CODE:
1427{ 1648{
1428 dREQ (REQ_C_CLOSE); 1649 dREQ (REQ_C_CLOSE);
1429 req->dbc = dbc; 1650 req->dbc = dbc;
… …
1566 1787
1567 1788
1568MODULE = BDB PACKAGE = BDB::Env 1789MODULE = BDB PACKAGE = BDB::Env
1569 1790
1570void 1791void
1571DESTROY (DB_ENV_ornull *env) 1792DESTROY (DB_ENV_ornuked *env)
1572 CODE: 1793 CODE:
1573 if (env) 1794 if (env)
1574 env->close (env, 0); 1795 env->close (env, 0);
1575 1796
1576int set_data_dir (DB_ENV *env, const char *dir) 1797int set_data_dir (DB_ENV *env, const char *dir)
… …
1601 CODE: 1822 CODE:
1602 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1823 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603 OUTPUT: 1824 OUTPUT:
1604 RETVAL 1825 RETVAL
1605 1826
1606int set_flags (DB_ENV *env, U32 flags, int onoff) 1827int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607 CODE: 1828 CODE:
1608 RETVAL = env->set_flags (env, flags, onoff); 1829 RETVAL = env->set_flags (env, flags, onoff);
1609 OUTPUT: 1830 OUTPUT:
1610 RETVAL 1831 RETVAL
1611 1832
1833void set_errfile (DB_ENV *env, FILE *errfile = 0)
1834 CODE:
1835 env->set_errfile (env, errfile);
1836
1837void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1838 CODE:
1839 env->set_msgfile (env, msgfile);
1840
1841int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1842 CODE:
1843 RETVAL = env->set_verbose (env, which, onoff);
1844 OUTPUT:
1845 RETVAL
1846
1612int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1847int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613 CODE: 1848 CODE:
1614 RETVAL = env->set_encrypt (env, password, flags); 1849 RETVAL = env->set_encrypt (env, password, flags);
1615 OUTPUT: 1850 OUTPUT:
1616 RETVAL 1851 RETVAL
1617 1852
1618int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1853int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619 CODE: 1854 CODE:
1620 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1855 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621 OUTPUT: 1856 OUTPUT:
1622 RETVAL 1857 RETVAL
1623 1858
… …
1671 1906
1672int set_lg_max (DB_ENV *env, U32 max) 1907int set_lg_max (DB_ENV *env, U32 max)
1673 CODE: 1908 CODE:
1674 RETVAL = env->set_lg_max (env, max); 1909 RETVAL = env->set_lg_max (env, max);
1675 OUTPUT: 1910 OUTPUT:
1911 RETVAL
1912
1913int mutex_set_max (DB_ENV *env, U32 max)
1914 CODE:
1915 RETVAL = env->mutex_set_max (env, max);
1916 OUTPUT:
1917 RETVAL
1918
1919int mutex_set_increment (DB_ENV *env, U32 increment)
1920 CODE:
1921 RETVAL = env->mutex_set_increment (env, increment);
1922 OUTPUT:
1923 RETVAL
1924
1925int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1926 CODE:
1927 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1928 OUTPUT:
1929 RETVAL
1930
1931int mutex_set_align (DB_ENV *env, U32 align)
1932 CODE:
1933 RETVAL = env->mutex_set_align (env, align);
1934 OUTPUT:
1676 RETVAL 1935 RETVAL
1677 1936
1678DB_TXN * 1937DB_TXN *
1679txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1938txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680 CODE: 1939 CODE:
… …
1685 RETVAL 1944 RETVAL
1686 1945
1687MODULE = BDB PACKAGE = BDB::Db 1946MODULE = BDB PACKAGE = BDB::Db
1688 1947
1689void 1948void
1690DESTROY (DB_ornull *db) 1949DESTROY (DB_ornuked *db)
1691 CODE: 1950 CODE:
1692 if (db) 1951 if (db)
1693 { 1952 {
1694 SV *env = (SV *)db->app_private; 1953 SV *env = (SV *)db->app_private;
1695 db->close (db, 0); 1954 db->close (db, 0);
… …
1700 CODE: 1959 CODE:
1701 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1960 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702 OUTPUT: 1961 OUTPUT:
1703 RETVAL 1962 RETVAL
1704 1963
1705int set_flags (DB *db, U32 flags); 1964int set_flags (DB *db, U32 flags)
1706 CODE: 1965 CODE:
1707 RETVAL = db->set_flags (db, flags); 1966 RETVAL = db->set_flags (db, flags);
1708 OUTPUT: 1967 OUTPUT:
1709 RETVAL 1968 RETVAL
1710 1969
… …
1724 CODE: 1983 CODE:
1725 RETVAL = db->set_bt_minkey (db, minkey); 1984 RETVAL = db->set_bt_minkey (db, minkey);
1726 OUTPUT: 1985 OUTPUT:
1727 RETVAL 1986 RETVAL
1728 1987
1729int set_re_delim(DB *db, int delim); 1988int set_re_delim (DB *db, int delim)
1730 CODE: 1989 CODE:
1731 RETVAL = db->set_re_delim (db, delim); 1990 RETVAL = db->set_re_delim (db, delim);
1732 OUTPUT: 1991 OUTPUT:
1733 RETVAL 1992 RETVAL
1734 1993
… …
1790 2049
1791 2050
1792MODULE = BDB PACKAGE = BDB::Txn 2051MODULE = BDB PACKAGE = BDB::Txn
1793 2052
1794void 2053void
1795DESTROY (DB_TXN_ornull *txn) 2054DESTROY (DB_TXN_ornuked *txn)
1796 CODE: 2055 CODE:
1797 if (txn) 2056 if (txn)
1798 txn->abort (txn); 2057 txn->abort (txn);
1799 2058
1800int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 2059int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801 CODE: 2060 CODE:
1802 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 2061 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803 OUTPUT: 2062 OUTPUT:
1804 RETVAL 2063 RETVAL
1805 2064
2065int failed (DB_TXN *txn)
2066 CODE:
2067 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2068 OUTPUT:
2069 RETVAL
2070
1806 2071
1807MODULE = BDB PACKAGE = BDB::Cursor 2072MODULE = BDB PACKAGE = BDB::Cursor
1808 2073
1809void 2074void
1810DESTROY (DBC_ornull *dbc) 2075DESTROY (DBC_ornuked *dbc)
1811 CODE: 2076 CODE:
1812 if (dbc) 2077 if (dbc)
1813 dbc->c_close (dbc); 2078 dbc->c_close (dbc);
1814 2079
2080#if DB_VERSION_MINOR >= 6
2081
2082int set_priority (DBC *dbc, int priority)
2083 CODE:
2084 dbc->set_priority (dbc, priority);
2085
2086#endif
2087
1815MODULE = BDB PACKAGE = BDB::Sequence 2088MODULE = BDB PACKAGE = BDB::Sequence
1816 2089
1817void 2090void
1818DESTROY (DB_SEQUENCE_ornull *seq) 2091DESTROY (DB_SEQUENCE_ornuked *seq)
1819 CODE: 2092 CODE:
1820 if (seq) 2093 if (seq)
1821 seq->close (seq, 0); 2094 seq->close (seq, 0);
1822 2095
1823int initial_value (DB_SEQUENCE *seq, db_seq_t value) 2096int initial_value (DB_SEQUENCE *seq, db_seq_t value)
… …
1842 CODE: 2115 CODE:
1843 RETVAL = seq->set_range (seq, min, max); 2116 RETVAL = seq->set_range (seq, min, max);
1844 OUTPUT: 2117 OUTPUT:
1845 RETVAL 2118 RETVAL
1846 2119
2120

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