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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 1.38 by root, Wed May 21 19:13:43 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
… …
133 NUM_PRI = PRI_MAX + PRI_BIAS + 1, 181 NUM_PRI = PRI_MAX + PRI_BIAS + 1,
134}; 182};
135 183
136#define AIO_TICKS ((1000000 + 1023) >> 10) 184#define AIO_TICKS ((1000000 + 1023) >> 10)
137 185
186static SV *on_next_submit;
187
138static unsigned int max_poll_time = 0; 188static unsigned int max_poll_time = 0;
139static unsigned int max_poll_reqs = 0; 189static unsigned int max_poll_reqs = 0;
140 190
141/* calculcate time difference in ~1/AIO_TICKS of a second */ 191/* calculcate time difference in ~1/AIO_TICKS of a second */
142static int tvdiff (struct timeval *tv1, struct timeval *tv2) 192static int tvdiff (struct timeval *tv1, struct timeval *tv2)
… …
147 197
148static int next_pri = DEFAULT_PRI + PRI_BIAS; 198static int next_pri = DEFAULT_PRI + PRI_BIAS;
149 199
150static unsigned int started, idle, wanted; 200static unsigned int started, idle, wanted;
151 201
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 */ 202/* worker threads management */
162static pthread_mutex_t wrklock = AIO_MUTEX_INIT; 203static mutex_t wrklock = X_MUTEX_INIT;
163 204
164typedef struct worker { 205typedef struct worker {
165 /* locked by wrklock */ 206 /* locked by wrklock */
166 struct worker *prev, *next; 207 struct worker *prev, *next;
167 208
168 pthread_t tid; 209 thread_t tid;
169 210
170 /* locked by reslock, reqlock or wrklock */ 211 /* locked by reslock, reqlock or wrklock */
171 aio_req req; /* currently processed request */ 212 bdb_req req; /* currently processed request */
172 void *dbuf; 213 void *dbuf;
173 DIR *dirp; 214 DIR *dirp;
174} worker; 215} worker;
175 216
176static worker wrk_first = { &wrk_first, &wrk_first, 0 }; 217static worker wrk_first = { &wrk_first, &wrk_first, 0 };
… …
188} 229}
189 230
190static volatile unsigned int nreqs, nready, npending; 231static volatile unsigned int nreqs, nready, npending;
191static volatile unsigned int max_idle = 4; 232static volatile unsigned int max_idle = 4;
192static volatile unsigned int max_outstanding = 0xffffffff; 233static volatile unsigned int max_outstanding = 0xffffffff;
193static int respipe [2]; 234static int respipe_osf [2], respipe [2] = { -1, -1 };
194 235
195static pthread_mutex_t reslock = AIO_MUTEX_INIT; 236static mutex_t reslock = X_MUTEX_INIT;
196static pthread_mutex_t reqlock = AIO_MUTEX_INIT; 237static mutex_t reqlock = X_MUTEX_INIT;
197static pthread_cond_t reqwait = PTHREAD_COND_INITIALIZER; 238static cond_t reqwait = X_COND_INIT;
198 239
199#if WORDACCESS_UNSAFE 240#if WORDACCESS_UNSAFE
200 241
201static unsigned int get_nready () 242static unsigned int get_nready (void)
202{ 243{
203 unsigned int retval; 244 unsigned int retval;
204 245
205 LOCK (reqlock); 246 X_LOCK (reqlock);
206 retval = nready; 247 retval = nready;
207 UNLOCK (reqlock); 248 X_UNLOCK (reqlock);
208 249
209 return retval; 250 return retval;
210} 251}
211 252
212static unsigned int get_npending () 253static unsigned int get_npending (void)
213{ 254{
214 unsigned int retval; 255 unsigned int retval;
215 256
216 LOCK (reslock); 257 X_LOCK (reslock);
217 retval = npending; 258 retval = npending;
218 UNLOCK (reslock); 259 X_UNLOCK (reslock);
219 260
220 return retval; 261 return retval;
221} 262}
222 263
223static unsigned int get_nthreads () 264static unsigned int get_nthreads (void)
224{ 265{
225 unsigned int retval; 266 unsigned int retval;
226 267
227 LOCK (wrklock); 268 X_LOCK (wrklock);
228 retval = started; 269 retval = started;
229 UNLOCK (wrklock); 270 X_UNLOCK (wrklock);
230 271
231 return retval; 272 return retval;
232} 273}
233 274
234#else 275#else
… …
243 * a somewhat faster data structure might be nice, but 284 * a somewhat faster data structure might be nice, but
244 * with 8 priorities this actually needs <20 insns 285 * with 8 priorities this actually needs <20 insns
245 * per shift, the most expensive operation. 286 * per shift, the most expensive operation.
246 */ 287 */
247typedef struct { 288typedef struct {
248 aio_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */ 289 bdb_req qs[NUM_PRI], qe[NUM_PRI]; /* qstart, qend */
249 int size; 290 int size;
250} reqq; 291} reqq;
251 292
252static reqq req_queue; 293static reqq req_queue;
253static reqq res_queue; 294static reqq res_queue;
254 295
255int reqq_push (reqq *q, aio_req req) 296int reqq_push (reqq *q, bdb_req req)
256{ 297{
257 int pri = req->pri; 298 int pri = req->pri;
258 req->next = 0; 299 req->next = 0;
259 300
260 if (q->qe[pri]) 301 if (q->qe[pri])
… …
266 q->qe[pri] = q->qs[pri] = req; 307 q->qe[pri] = q->qs[pri] = req;
267 308
268 return q->size++; 309 return q->size++;
269} 310}
270 311
271aio_req reqq_shift (reqq *q) 312bdb_req reqq_shift (reqq *q)
272{ 313{
273 int pri; 314 int pri;
274 315
275 if (!q->size) 316 if (!q->size)
276 return 0; 317 return 0;
277 318
278 --q->size; 319 --q->size;
279 320
280 for (pri = NUM_PRI; pri--; ) 321 for (pri = NUM_PRI; pri--; )
281 { 322 {
282 aio_req req = q->qs[pri]; 323 bdb_req req = q->qs[pri];
283 324
284 if (req) 325 if (req)
285 { 326 {
286 if (!(q->qs[pri] = req->next)) 327 if (!(q->qs[pri] = req->next))
287 q->qe[pri] = 0; 328 q->qe[pri] = 0;
… …
291 } 332 }
292 333
293 abort (); 334 abort ();
294} 335}
295 336
296static int poll_cb (); 337static int poll_cb (void);
297static void req_free (aio_req req); 338static void req_free (bdb_req req);
298static void req_cancel (aio_req req); 339static void req_cancel (bdb_req req);
299 340
300static int req_invoke (aio_req req) 341static int req_invoke (bdb_req req)
301{ 342{
302 dSP; 343 dSP;
303 344
304 if (SvOK (req->callback)) 345 if (SvOK (req->callback))
305 { 346 {
… …
323 dbt_to_sv (req->sv1, &req->dbt1); 364 dbt_to_sv (req->sv1, &req->dbt1);
324 dbt_to_sv (req->sv2, &req->dbt2); 365 dbt_to_sv (req->sv2, &req->dbt2);
325 dbt_to_sv (req->sv3, &req->dbt3); 366 dbt_to_sv (req->sv3, &req->dbt3);
326 break; 367 break;
327 368
369 case REQ_DB_PUT:
370 case REQ_C_PUT:
371 dbt_to_sv (0, &req->dbt1);
372 dbt_to_sv (0, &req->dbt2);
373 break;
374
328 case REQ_DB_KEY_RANGE: 375 case REQ_DB_KEY_RANGE:
329 { 376 {
330 AV *av = newAV (); 377 AV *av = newAV ();
331 378
332 av_push (av, newSVnv (req->key_range.less)); 379 av_push (av, newSVnv (req->key_range.less));
… …
341 388
342 case REQ_SEQ_GET: 389 case REQ_SEQ_GET:
343 SvREADONLY_off (req->sv1); 390 SvREADONLY_off (req->sv1);
344 391
345 if (sizeof (IV) > 4) 392 if (sizeof (IV) > 4)
346 sv_setiv_mg (req->sv1, req->seq_t); 393 sv_setiv_mg (req->sv1, (IV)req->seq_t);
347 else 394 else
348 sv_setnv_mg (req->sv1, req->seq_t); 395 sv_setnv_mg (req->sv1, (NV)req->seq_t);
349 396
350 SvREFCNT_dec (req->sv1); 397 SvREFCNT_dec (req->sv1);
351 break; 398 break;
352 } 399 }
353 400
… …
362 } 409 }
363 410
364 return !SvTRUE (ERRSV); 411 return !SvTRUE (ERRSV);
365} 412}
366 413
367static void req_free (aio_req req) 414static void req_free (bdb_req req)
368{ 415{
369 free (req->buf1); 416 free (req->buf1);
370 free (req->buf2); 417 free (req->buf2);
371 Safefree (req); 418 Safefree (req);
372} 419}
373 420
374static void *aio_proc (void *arg); 421#ifdef USE_SOCKETS_AS_HANDLES
422# define TO_SOCKET(x) (win32_get_osfhandle (x))
423#else
424# define TO_SOCKET(x) (x)
425#endif
426
427static void
428create_respipe (void)
429{
430#ifdef _WIN32
431 int arg; /* argg */
432#endif
433 int old_readfd = respipe [0];
434
435 if (respipe [1] >= 0)
436 respipe_close (TO_SOCKET (respipe [1]));
437
438#ifdef _WIN32
439 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
440#else
441 if (pipe (respipe))
442#endif
443 croak ("unable to initialize result pipe");
444
445 if (old_readfd >= 0)
446 {
447 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
448 croak ("unable to initialize result pipe(2)");
449
450 respipe_close (respipe [0]);
451 respipe [0] = old_readfd;
452 }
453
454#ifdef _WIN32
455 arg = 1;
456 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
457 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
458#else
459 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
460 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
461#endif
462 croak ("unable to initialize result pipe(3)");
463
464 respipe_osf [0] = TO_SOCKET (respipe [0]);
465 respipe_osf [1] = TO_SOCKET (respipe [1]);
466}
467
468X_THREAD_PROC (bdb_proc);
375 469
376static void start_thread (void) 470static void start_thread (void)
377{ 471{
378 sigset_t fullsigset, oldsigset;
379 pthread_attr_t attr;
380
381 worker *wrk = calloc (1, sizeof (worker)); 472 worker *wrk = calloc (1, sizeof (worker));
382 473
383 if (!wrk) 474 if (!wrk)
384 croak ("unable to allocate worker thread data"); 475 croak ("unable to allocate worker thread data");
385 476
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); 477 X_LOCK (wrklock);
395 pthread_sigmask (SIG_SETMASK, &fullsigset, &oldsigset);
396
397 if (pthread_create (&wrk->tid, &attr, aio_proc, (void *)wrk) == 0) 478 if (thread_create (&wrk->tid, bdb_proc, (void *)wrk))
398 { 479 {
399 wrk->prev = &wrk_first; 480 wrk->prev = &wrk_first;
400 wrk->next = wrk_first.next; 481 wrk->next = wrk_first.next;
401 wrk_first.next->prev = wrk; 482 wrk_first.next->prev = wrk;
402 wrk_first.next = wrk; 483 wrk_first.next = wrk;
403 ++started; 484 ++started;
404 } 485 }
405 else 486 else
406 free (wrk); 487 free (wrk);
407 488
408 pthread_sigmask (SIG_SETMASK, &oldsigset, 0);
409 UNLOCK (wrklock); 489 X_UNLOCK (wrklock);
410} 490}
411 491
412static void maybe_start_thread () 492static void maybe_start_thread (void)
413{ 493{
414 if (get_nthreads () >= wanted) 494 if (get_nthreads () >= wanted)
415 return; 495 return;
416 496
417 /* todo: maybe use idle here, but might be less exact */ 497 /* todo: maybe use idle here, but might be less exact */
… …
419 return; 499 return;
420 500
421 start_thread (); 501 start_thread ();
422} 502}
423 503
424static void req_send (aio_req req) 504static void req_send (bdb_req req)
425{ 505{
426 SV *wait_callback = 0; 506 SV *wait_callback = 0;
507
508 if (on_next_submit)
509 {
510 dSP;
511 SV *cb = sv_2mortal (on_next_submit);
512
513 on_next_submit = 0;
514
515 PUSHMARK (SP);
516 PUTBACK;
517 call_sv (cb, G_DISCARD | G_EVAL);
518 }
427 519
428 // synthesize callback if none given 520 // synthesize callback if none given
429 if (!SvOK (req->callback)) 521 if (!SvOK (req->callback))
430 { 522 {
523 int count;
524
431 dSP; 525 dSP;
432 PUSHMARK (SP); 526 PUSHMARK (SP);
433 PUTBACK; 527 PUTBACK;
434 int count = call_sv (prepare_cb, G_ARRAY); 528 count = call_sv (prepare_cb, G_ARRAY);
435 SPAGAIN; 529 SPAGAIN;
436 530
437 if (count != 2) 531 if (count != 2)
438 croak ("prepare callback must return exactly two values\n"); 532 croak ("prepare callback must return exactly two values\n");
439 533
440 wait_callback = SvREFCNT_inc (POPs); 534 wait_callback = POPs;
441 SvREFCNT_dec (req->callback); 535 SvREFCNT_dec (req->callback);
442 req->callback = SvREFCNT_inc (POPs); 536 req->callback = SvREFCNT_inc (POPs);
443 } 537 }
444 538
445 ++nreqs; 539 ++nreqs;
446 540
447 LOCK (reqlock); 541 X_LOCK (reqlock);
448 ++nready; 542 ++nready;
449 reqq_push (&req_queue, req); 543 reqq_push (&req_queue, req);
450 pthread_cond_signal (&reqwait); 544 X_COND_SIGNAL (reqwait);
451 UNLOCK (reqlock); 545 X_UNLOCK (reqlock);
452 546
453 maybe_start_thread (); 547 maybe_start_thread ();
454 548
455 if (wait_callback) 549 if (wait_callback)
456 { 550 {
457 dSP; 551 dSP;
458 PUSHMARK (SP); 552 PUSHMARK (SP);
459 PUTBACK; 553 PUTBACK;
460 call_sv (wait_callback, G_DISCARD); 554 call_sv (wait_callback, G_DISCARD);
461 SvREFCNT_dec (wait_callback);
462 } 555 }
463} 556}
464 557
465static void end_thread (void) 558static void end_thread (void)
466{ 559{
467 aio_req req; 560 bdb_req req;
468 561
469 Newz (0, req, 1, aio_cb); 562 Newz (0, req, 1, bdb_cb);
470 563
471 req->type = REQ_QUIT; 564 req->type = REQ_QUIT;
472 req->pri = PRI_MAX + PRI_BIAS; 565 req->pri = PRI_MAX + PRI_BIAS;
473 566
474 LOCK (reqlock); 567 X_LOCK (reqlock);
475 reqq_push (&req_queue, req); 568 reqq_push (&req_queue, req);
476 pthread_cond_signal (&reqwait); 569 X_COND_SIGNAL (reqwait);
477 UNLOCK (reqlock); 570 X_UNLOCK (reqlock);
478 571
479 LOCK (wrklock); 572 X_LOCK (wrklock);
480 --started; 573 --started;
481 UNLOCK (wrklock); 574 X_UNLOCK (wrklock);
482} 575}
483 576
484static void set_max_idle (int nthreads) 577static void set_max_idle (int nthreads)
485{ 578{
486 if (WORDACCESS_UNSAFE) LOCK (reqlock); 579 if (WORDACCESS_UNSAFE) X_LOCK (reqlock);
487 max_idle = nthreads <= 0 ? 1 : nthreads; 580 max_idle = nthreads <= 0 ? 1 : nthreads;
488 if (WORDACCESS_UNSAFE) UNLOCK (reqlock); 581 if (WORDACCESS_UNSAFE) X_UNLOCK (reqlock);
489} 582}
490 583
491static void min_parallel (int nthreads) 584static void min_parallel (int nthreads)
492{ 585{
493 if (wanted < nthreads) 586 if (wanted < nthreads)
… …
501 594
502 while (started > wanted) 595 while (started > wanted)
503 end_thread (); 596 end_thread ();
504} 597}
505 598
506static void poll_wait () 599static void poll_wait (void)
507{ 600{
508 fd_set rfd; 601 fd_set rfd;
509 602
510 while (nreqs) 603 while (nreqs)
511 { 604 {
512 int size; 605 int size;
513 if (WORDACCESS_UNSAFE) LOCK (reslock); 606 if (WORDACCESS_UNSAFE) X_LOCK (reslock);
514 size = res_queue.size; 607 size = res_queue.size;
515 if (WORDACCESS_UNSAFE) UNLOCK (reslock); 608 if (WORDACCESS_UNSAFE) X_UNLOCK (reslock);
516 609
517 if (size) 610 if (size)
518 return; 611 return;
519 612
520 maybe_start_thread (); 613 maybe_start_thread ();
521 614
522 FD_ZERO(&rfd); 615 FD_ZERO (&rfd);
523 FD_SET(respipe [0], &rfd); 616 FD_SET (respipe [0], &rfd);
524 617
525 select (respipe [0] + 1, &rfd, 0, 0, 0); 618 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
526 } 619 }
527} 620}
528 621
529static int poll_cb () 622static int poll_cb (void)
530{ 623{
531 dSP; 624 dSP;
532 int count = 0; 625 int count = 0;
533 int maxreqs = max_poll_reqs; 626 int maxreqs = max_poll_reqs;
534 int do_croak = 0; 627 int do_croak = 0;
535 struct timeval tv_start, tv_now; 628 struct timeval tv_start, tv_now;
536 aio_req req; 629 bdb_req req;
537 630
538 if (max_poll_time) 631 if (max_poll_time)
539 gettimeofday (&tv_start, 0); 632 gettimeofday (&tv_start, 0);
540 633
541 for (;;) 634 for (;;)
542 { 635 {
543 for (;;) 636 for (;;)
544 { 637 {
545 maybe_start_thread (); 638 maybe_start_thread ();
546 639
547 LOCK (reslock); 640 X_LOCK (reslock);
548 req = reqq_shift (&res_queue); 641 req = reqq_shift (&res_queue);
549 642
550 if (req) 643 if (req)
551 { 644 {
552 --npending; 645 --npending;
553 646
554 if (!res_queue.size) 647 if (!res_queue.size)
555 { 648 {
556 /* read any signals sent by the worker threads */ 649 /* read any signals sent by the worker threads */
557 char buf [4]; 650 char buf [4];
558 while (read (respipe [0], buf, 4) == 4) 651 while (respipe_read (respipe [0], buf, 4) == 4)
559 ; 652 ;
560 } 653 }
561 } 654 }
562 655
563 UNLOCK (reslock); 656 X_UNLOCK (reslock);
564 657
565 if (!req) 658 if (!req)
566 break; 659 break;
567 660
568 --nreqs; 661 --nreqs;
… …
598 } 691 }
599 692
600 return count; 693 return count;
601} 694}
602 695
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/*****************************************************************************/ 696/*****************************************************************************/
616 697
617static void *aio_proc (void *thr_arg) 698X_THREAD_PROC (bdb_proc)
618{ 699{
619 aio_req req; 700 bdb_req req;
620 struct timespec ts; 701 struct timespec ts;
621 worker *self = (worker *)thr_arg; 702 worker *self = (worker *)thr_arg;
622 703
623 /* try to distribute timeouts somewhat evenly */ 704 /* try to distribute timeouts somewhat evenly */
624 ts.tv_nsec = (((unsigned long)self + (unsigned long)ts.tv_sec) & 1023UL) 705 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
625 * (1000000000UL / 1024UL);
626 706
627 for (;;) 707 for (;;)
628 { 708 {
629 ts.tv_sec = time (0) + IDLE_TIMEOUT; 709 ts.tv_sec = time (0) + IDLE_TIMEOUT;
630 710
631 LOCK (reqlock); 711 X_LOCK (reqlock);
632 712
633 for (;;) 713 for (;;)
634 { 714 {
635 self->req = req = reqq_shift (&req_queue); 715 self->req = req = reqq_shift (&req_queue);
636 716
637 if (req) 717 if (req)
638 break; 718 break;
639 719
640 ++idle; 720 ++idle;
641 721
642 if (pthread_cond_timedwait (&reqwait, &reqlock, &ts) 722 if (X_COND_TIMEDWAIT (reqwait, reqlock, ts)
643 == ETIMEDOUT) 723 == ETIMEDOUT)
644 { 724 {
645 if (idle > max_idle) 725 if (idle > max_idle)
646 { 726 {
647 --idle; 727 --idle;
648 UNLOCK (reqlock); 728 X_UNLOCK (reqlock);
649 LOCK (wrklock); 729 X_LOCK (wrklock);
650 --started; 730 --started;
651 UNLOCK (wrklock); 731 X_UNLOCK (wrklock);
652 goto quit; 732 goto quit;
653 } 733 }
654 734
655 /* we are allowed to idle, so do so without any timeout */ 735 /* we are allowed to idle, so do so without any timeout */
656 pthread_cond_wait (&reqwait, &reqlock); 736 X_COND_WAIT (reqwait, reqlock);
657 ts.tv_sec = time (0) + IDLE_TIMEOUT; 737 ts.tv_sec = time (0) + IDLE_TIMEOUT;
658 } 738 }
659 739
660 --idle; 740 --idle;
661 } 741 }
662 742
663 --nready; 743 --nready;
664 744
665 UNLOCK (reqlock); 745 X_UNLOCK (reqlock);
666 746
667 switch (req->type) 747 switch (req->type)
668 { 748 {
669 case REQ_QUIT: 749 case REQ_QUIT:
750 req->result = ENOSYS;
670 goto quit; 751 goto quit;
671 752
672 case REQ_ENV_OPEN: 753 case REQ_ENV_OPEN:
673 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 754 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
674 break; 755 break;
… …
707 788
708 case REQ_DB_SYNC: 789 case REQ_DB_SYNC:
709 req->result = req->db->sync (req->db, req->uint1); 790 req->result = req->db->sync (req->db, req->uint1);
710 break; 791 break;
711 792
793 case REQ_DB_UPGRADE:
794 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
795 break;
796
712 case REQ_DB_PUT: 797 case REQ_DB_PUT:
713 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1); 798 req->result = req->db->put (req->db, req->txn, &req->dbt1, &req->dbt2, req->uint1);
714 break; 799 break;
715 800
716 case REQ_DB_GET: 801 case REQ_DB_GET:
… …
733 req->result = req->txn->commit (req->txn, req->uint1); 818 req->result = req->txn->commit (req->txn, req->uint1);
734 break; 819 break;
735 820
736 case REQ_TXN_ABORT: 821 case REQ_TXN_ABORT:
737 req->result = req->txn->abort (req->txn); 822 req->result = req->txn->abort (req->txn);
823 break;
824
825 case REQ_TXN_FINISH:
826 if (req->txn->flags & TXN_DEADLOCK)
827 {
828 req->result = req->txn->abort (req->txn);
829 if (!req->result)
830 req->result = DB_LOCK_DEADLOCK;
831 }
832 else
833 req->result = req->txn->commit (req->txn, req->uint1);
738 break; 834 break;
739 835
740 case REQ_C_CLOSE: 836 case REQ_C_CLOSE:
741 req->result = req->dbc->c_close (req->dbc); 837 req->result = req->dbc->c_close (req->dbc);
742 break; 838 break;
… …
784 default: 880 default:
785 req->result = ENOSYS; 881 req->result = ENOSYS;
786 break; 882 break;
787 } 883 }
788 884
885 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
886 req->txn->flags |= TXN_DEADLOCK;
887
789 LOCK (reslock); 888 X_LOCK (reslock);
790 889
791 ++npending; 890 ++npending;
792 891
793 if (!reqq_push (&res_queue, req)) 892 if (!reqq_push (&res_queue, req))
794 /* write a dummy byte to the pipe so fh becomes ready */ 893 /* write a dummy byte to the pipe so fh becomes ready */
795 write (respipe [1], &respipe, 1); 894 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
796 895
797 self->req = 0; 896 self->req = 0;
798 worker_clear (self); 897 worker_clear (self);
799 898
800 UNLOCK (reslock); 899 X_UNLOCK (reslock);
801 } 900 }
802 901
803quit: 902quit:
804 LOCK (wrklock); 903 X_LOCK (wrklock);
805 worker_free (self); 904 worker_free (self);
806 UNLOCK (wrklock); 905 X_UNLOCK (wrklock);
807 906
808 return 0; 907 return 0;
809} 908}
810 909
811/*****************************************************************************/ 910/*****************************************************************************/
812 911
813static void atfork_prepare (void) 912static void atfork_prepare (void)
814{ 913{
815 LOCK (wrklock); 914 X_LOCK (wrklock);
816 LOCK (reqlock); 915 X_LOCK (reqlock);
817 LOCK (reslock); 916 X_LOCK (reslock);
818} 917}
819 918
820static void atfork_parent (void) 919static void atfork_parent (void)
821{ 920{
822 UNLOCK (reslock); 921 X_UNLOCK (reslock);
823 UNLOCK (reqlock); 922 X_UNLOCK (reqlock);
824 UNLOCK (wrklock); 923 X_UNLOCK (wrklock);
825} 924}
826 925
827static void atfork_child (void) 926static void atfork_child (void)
828{ 927{
829 aio_req prv; 928 bdb_req prv;
830 929
831 while (prv = reqq_shift (&req_queue)) 930 while (prv = reqq_shift (&req_queue))
832 req_free (prv); 931 req_free (prv);
833 932
834 while (prv = reqq_shift (&res_queue)) 933 while (prv = reqq_shift (&res_queue))
… …
849 idle = 0; 948 idle = 0;
850 nreqs = 0; 949 nreqs = 0;
851 nready = 0; 950 nready = 0;
852 npending = 0; 951 npending = 0;
853 952
854 close (respipe [0]);
855 close (respipe [1]);
856 create_pipe (); 953 create_respipe ();
857 954
858 atfork_parent (); 955 atfork_parent ();
859} 956}
860 957
861#define dREQ(reqtype) \ 958#define dREQ(reqtype) \
862 aio_req req; \ 959 bdb_req req; \
863 int req_pri = next_pri; \ 960 int req_pri = next_pri; \
864 next_pri = DEFAULT_PRI + PRI_BIAS; \ 961 next_pri = DEFAULT_PRI + PRI_BIAS; \
865 \ 962 \
866 if (SvOK (callback) && !SvROK (callback)) \ 963 if (SvOK (callback) && !SvROK (callback)) \
867 croak ("callback must be undef or of reference type"); \ 964 croak ("callback must be undef or of reference type"); \
868 \ 965 \
869 Newz (0, req, 1, aio_cb); \ 966 Newz (0, req, 1, bdb_cb); \
870 if (!req) \ 967 if (!req) \
871 croak ("out of memory during aio_req allocation"); \ 968 croak ("out of memory during bdb_req allocation"); \
872 \ 969 \
873 req->callback = newSVsv (callback); \ 970 req->callback = newSVsv (callback); \
874 req->type = (reqtype); \ 971 req->type = (reqtype); \
875 req->pri = req_pri 972 req->pri = req_pri
876 973
877#define REQ_SEND \ 974#define REQ_SEND \
878 req_send (req) 975 req_send (req)
879 976
880#define SvPTR(var, arg, type, class, nullok) \ 977#define SvPTR(var, arg, type, class, nullok) \
881 if (!SvOK (arg)) \ 978 if (!SvOK (arg)) \
882 { \ 979 { \
883 if (!nullok) \ 980 if (nullok != 1) \
884 croak (# var " must be a " # class " object, not undef"); \ 981 croak (# var " must be a " # class " object, not undef"); \
885 \ 982 \
886 (var) = 0; \ 983 (var) = 0; \
887 } \ 984 } \
888 else if (sv_derived_from ((arg), # class)) \ 985 else if (sv_derived_from ((arg), # class)) \
889 { \ 986 { \
890 IV tmp = SvIV ((SV*) SvRV (arg)); \ 987 IV tmp = SvIV ((SV*) SvRV (arg)); \
891 (var) = INT2PTR (type, tmp); \ 988 (var) = INT2PTR (type, tmp); \
892 if (!var) \ 989 if (!var && nullok != 2) \
893 croak (# var " is not a valid " # class " object anymore"); \ 990 croak (# var " is not a valid " # class " object anymore"); \
894 } \ 991 } \
895 else \ 992 else \
896 croak (# var " is not of type " # class); \ 993 croak (# var " is not of type " # class); \
897 \ 994 \
… …
899static void 996static void
900ptr_nuke (SV *sv) 997ptr_nuke (SV *sv)
901{ 998{
902 assert (SvROK (sv)); 999 assert (SvROK (sv));
903 sv_setiv (SvRV (sv), 0); 1000 sv_setiv (SvRV (sv), 0);
1001}
1002
1003static int
1004errno_get (pTHX_ SV *sv, MAGIC *mg)
1005{
1006 if (*mg->mg_ptr == '!') // should always be the case
1007 if (-30999 <= errno && errno <= -30800)
1008 {
1009 sv_setnv (sv, (NV)errno);
1010 sv_setpv (sv, db_strerror (errno));
1011 SvNOK_on (sv); /* what a wonderful hack! */
1012 // ^^^ copied from perl sources
1013 return 0;
1014 }
1015
1016 return PL_vtbl_sv.svt_get (aTHX_ sv, mg);
1017}
1018
1019static MGVTBL vtbl_errno;
1020
1021// this wonderful hack :( patches perl's $! variable to support our errno values
1022static void
1023patch_errno (void)
1024{
1025 SV *sv;
1026 MAGIC *mg;
1027
1028 if (!(sv = get_sv ("!", 1)))
1029 return;
1030
1031 if (!(mg = mg_find (sv, PERL_MAGIC_sv)))
1032 return;
1033
1034 if (mg->mg_virtual != &PL_vtbl_sv)
1035 return;
1036
1037 vtbl_errno = PL_vtbl_sv;
1038 vtbl_errno.svt_get = errno_get;
1039 mg->mg_virtual = &vtbl_errno;
904} 1040}
905 1041
906MODULE = BDB PACKAGE = BDB 1042MODULE = BDB PACKAGE = BDB
907 1043
908PROTOTYPES: ENABLE 1044PROTOTYPES: ENABLE
… …
925 const_iv (INIT_TXN) 1061 const_iv (INIT_TXN)
926 const_iv (RECOVER) 1062 const_iv (RECOVER)
927 const_iv (INIT_TXN) 1063 const_iv (INIT_TXN)
928 const_iv (RECOVER_FATAL) 1064 const_iv (RECOVER_FATAL)
929 const_iv (CREATE) 1065 const_iv (CREATE)
1066 const_iv (RDONLY)
930 const_iv (USE_ENVIRON) 1067 const_iv (USE_ENVIRON)
931 const_iv (USE_ENVIRON_ROOT) 1068 const_iv (USE_ENVIRON_ROOT)
932 const_iv (LOCKDOWN) 1069 const_iv (LOCKDOWN)
933 const_iv (PRIVATE) 1070 const_iv (PRIVATE)
934 const_iv (REGISTER) 1071 const_iv (REGISTER)
… …
940 const_iv (DSYNC_DB) 1077 const_iv (DSYNC_DB)
941 const_iv (DSYNC_LOG) 1078 const_iv (DSYNC_LOG)
942 const_iv (LOG_AUTOREMOVE) 1079 const_iv (LOG_AUTOREMOVE)
943 const_iv (LOG_INMEMORY) 1080 const_iv (LOG_INMEMORY)
944 const_iv (NOLOCKING) 1081 const_iv (NOLOCKING)
945 const_iv (MULTIVERSION)
946 const_iv (NOMMAP) 1082 const_iv (NOMMAP)
947 const_iv (NOPANIC) 1083 const_iv (NOPANIC)
948 const_iv (OVERWRITE) 1084 const_iv (OVERWRITE)
949 const_iv (PANIC_ENVIRONMENT) 1085 const_iv (PANIC_ENVIRONMENT)
950 const_iv (REGION_INIT) 1086 const_iv (REGION_INIT)
951 const_iv (TIME_NOTGRANTED) 1087 const_iv (TIME_NOTGRANTED)
952 const_iv (TXN_NOSYNC) 1088 const_iv (TXN_NOSYNC)
953 const_iv (TXN_SNAPSHOT) 1089 const_iv (TXN_NOT_DURABLE)
954 const_iv (TXN_WRITE_NOSYNC) 1090 const_iv (TXN_WRITE_NOSYNC)
955 const_iv (WRITECURSOR) 1091 const_iv (WRITECURSOR)
956 const_iv (YIELDCPU) 1092 const_iv (YIELDCPU)
957 const_iv (ENCRYPT_AES) 1093 const_iv (ENCRYPT_AES)
958 const_iv (XA_CREATE) 1094 const_iv (XA_CREATE)
… …
966 const_iv (READ_UNCOMMITTED) 1102 const_iv (READ_UNCOMMITTED)
967 const_iv (TRUNCATE) 1103 const_iv (TRUNCATE)
968 const_iv (NOSYNC) 1104 const_iv (NOSYNC)
969 const_iv (CHKSUM) 1105 const_iv (CHKSUM)
970 const_iv (ENCRYPT) 1106 const_iv (ENCRYPT)
971 const_iv (TXN_NOT_DURABLE)
972 const_iv (DUP) 1107 const_iv (DUP)
973 const_iv (DUPSORT) 1108 const_iv (DUPSORT)
974 const_iv (RECNUM) 1109 const_iv (RECNUM)
975 const_iv (RENUMBER) 1110 const_iv (RENUMBER)
976 const_iv (REVSPLITOFF) 1111 const_iv (REVSPLITOFF)
… …
981 const_iv (GET_BOTH_RANGE) 1116 const_iv (GET_BOTH_RANGE)
982 //const_iv (SET_RECNO) 1117 //const_iv (SET_RECNO)
983 //const_iv (MULTIPLE) 1118 //const_iv (MULTIPLE)
984 const_iv (SNAPSHOT) 1119 const_iv (SNAPSHOT)
985 const_iv (JOIN_ITEM) 1120 const_iv (JOIN_ITEM)
1121 const_iv (JOIN_NOSORT)
986 const_iv (RMW) 1122 const_iv (RMW)
987 1123
988 const_iv (NOTFOUND) 1124 const_iv (NOTFOUND)
989 const_iv (KEYEMPTY) 1125 const_iv (KEYEMPTY)
990 const_iv (LOCK_DEADLOCK) 1126 const_iv (LOCK_DEADLOCK)
… …
1001 const_iv (APPEND) 1137 const_iv (APPEND)
1002 const_iv (NODUPDATA) 1138 const_iv (NODUPDATA)
1003 const_iv (NOOVERWRITE) 1139 const_iv (NOOVERWRITE)
1004 1140
1005 const_iv (TXN_NOWAIT) 1141 const_iv (TXN_NOWAIT)
1006 const_iv (TXN_SNAPSHOT)
1007 const_iv (TXN_SYNC) 1142 const_iv (TXN_SYNC)
1008 1143
1009 const_iv (SET_LOCK_TIMEOUT) 1144 const_iv (SET_LOCK_TIMEOUT)
1010 const_iv (SET_TXN_TIMEOUT) 1145 const_iv (SET_TXN_TIMEOUT)
1011 1146
1012 const_iv (JOIN_ITEM)
1013 const_iv (FIRST) 1147 const_iv (FIRST)
1014 const_iv (NEXT) 1148 const_iv (NEXT)
1015 const_iv (NEXT_DUP) 1149 const_iv (NEXT_DUP)
1016 const_iv (NEXT_NODUP) 1150 const_iv (NEXT_NODUP)
1017 const_iv (PREV) 1151 const_iv (PREV)
… …
1039 const_iv (LOCK_YOUNGEST) 1173 const_iv (LOCK_YOUNGEST)
1040 1174
1041 const_iv (SEQ_DEC) 1175 const_iv (SEQ_DEC)
1042 const_iv (SEQ_INC) 1176 const_iv (SEQ_INC)
1043 const_iv (SEQ_WRAP) 1177 const_iv (SEQ_WRAP)
1178
1179 const_iv (BUFFER_SMALL)
1180 const_iv (DONOTINDEX)
1181 const_iv (KEYEMPTY )
1182 const_iv (KEYEXIST )
1183 const_iv (LOCK_DEADLOCK)
1184 const_iv (LOCK_NOTGRANTED)
1185 const_iv (LOG_BUFFER_FULL)
1186 const_iv (NOSERVER)
1187 const_iv (NOSERVER_HOME)
1188 const_iv (NOSERVER_ID)
1189 const_iv (NOTFOUND)
1190 const_iv (PAGE_NOTFOUND)
1191 const_iv (REP_DUPMASTER)
1192 const_iv (REP_HANDLE_DEAD)
1193 const_iv (REP_HOLDELECTION)
1194 const_iv (REP_IGNORE)
1195 const_iv (REP_ISPERM)
1196 const_iv (REP_JOIN_FAILURE)
1197 const_iv (REP_LOCKOUT)
1198 const_iv (REP_NEWMASTER)
1199 const_iv (REP_NEWSITE)
1200 const_iv (REP_NOTPERM)
1201 const_iv (REP_UNAVAIL)
1202 const_iv (RUNRECOVERY)
1203 const_iv (SECONDARY_BAD)
1204 const_iv (VERIFY_BAD)
1205 const_iv (VERSION_MISMATCH)
1206
1207 const_iv (VERB_DEADLOCK)
1208 const_iv (VERB_RECOVERY)
1209 const_iv (VERB_REGISTER)
1210 const_iv (VERB_REPLICATION)
1211 const_iv (VERB_WAITSFOR)
1212
1213 const_iv (VERSION_MAJOR)
1214 const_iv (VERSION_MINOR)
1215 const_iv (VERSION_PATCH)
1216#if DB_VERSION_MINOR >= 5
1217 const_iv (MULTIVERSION)
1218 const_iv (TXN_SNAPSHOT)
1219#endif
1220#if DB_VERSION_MINOR >= 6
1221 const_iv (PREV_DUP)
1222 const_iv (PRIORITY_UNCHANGED)
1223 const_iv (PRIORITY_VERY_LOW)
1224 const_iv (PRIORITY_LOW)
1225 const_iv (PRIORITY_DEFAULT)
1226 const_iv (PRIORITY_HIGH)
1227 const_iv (PRIORITY_VERY_HIGH)
1228#endif
1044 }; 1229 };
1045 1230
1046 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; ) 1231 for (civ = const_iv + sizeof (const_iv) / sizeof (const_iv [0]); civ-- > const_iv; )
1047 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1232 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1048 1233
1049 create_pipe (); 1234 newCONSTSUB (stash, "VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1235 newCONSTSUB (stash, "VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1236
1237 create_respipe ();
1238
1050 pthread_atfork (atfork_prepare, atfork_parent, atfork_child); 1239 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1240 patch_errno ();
1051} 1241}
1052 1242
1053void 1243void
1054max_poll_reqs (int nreqs) 1244max_poll_reqs (int nreqs)
1055 PROTOTYPE: $ 1245 PROTOTYPE: $
… …
1174 1364
1175int 1365int
1176nthreads () 1366nthreads ()
1177 PROTOTYPE: 1367 PROTOTYPE:
1178 CODE: 1368 CODE:
1179 if (WORDACCESS_UNSAFE) LOCK (wrklock); 1369 if (WORDACCESS_UNSAFE) X_LOCK (wrklock);
1180 RETVAL = started; 1370 RETVAL = started;
1181 if (WORDACCESS_UNSAFE) UNLOCK (wrklock); 1371 if (WORDACCESS_UNSAFE) X_UNLOCK (wrklock);
1182 OUTPUT: 1372 OUTPUT:
1183 RETVAL 1373 RETVAL
1184 1374
1185void 1375void
1186set_sync_prepare (SV *cb) 1376set_sync_prepare (SV *cb)
1187 PROTOTYPE: & 1377 PROTOTYPE: &
1188 CODE: 1378 CODE:
1189 SvREFCNT_dec (prepare_cb); 1379 SvREFCNT_dec (prepare_cb);
1190 prepare_cb = newSVsv (cb); 1380 prepare_cb = newSVsv (cb);
1191 1381
1382char *
1383strerror (int errorno = errno)
1384 PROTOTYPE: ;$
1385 CODE:
1386 RETVAL = db_strerror (errorno);
1387 OUTPUT:
1388 RETVAL
1389
1390void _on_next_submit (SV *cb)
1391 CODE:
1392 SvREFCNT_dec (on_next_submit);
1393 on_next_submit = SvOK (cb) ? newSVsv (cb) : 0;
1192 1394
1193DB_ENV * 1395DB_ENV *
1194db_env_create (U32 env_flags = 0) 1396db_env_create (U32 env_flags = 0)
1195 CODE: 1397 CODE:
1196{ 1398{
1197 errno = db_env_create (&RETVAL, env_flags); 1399 errno = db_env_create (&RETVAL, env_flags);
1198 if (errno) 1400 if (errno)
1199 croak ("db_env_create: %s", db_strerror (errno)); 1401 croak ("db_env_create: %s", db_strerror (errno));
1402
1403 if (0)
1404 {
1405 RETVAL->set_errcall (RETVAL, debug_errcall);
1406 RETVAL->set_msgcall (RETVAL, debug_msgcall);
1407 }
1200} 1408}
1201 OUTPUT: 1409 OUTPUT:
1202 RETVAL 1410 RETVAL
1203 1411
1204void 1412void
1205db_env_open (DB_ENV *env, octetstring db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef) 1413db_env_open (DB_ENV *env, bdb_filename db_home, U32 open_flags, int mode, SV *callback = &PL_sv_undef)
1206 CODE: 1414 CODE:
1207{ 1415{
1208 env->set_thread_count (env, get_nthreads ());
1209
1210 dREQ (REQ_ENV_OPEN); 1416 dREQ (REQ_ENV_OPEN);
1417
1211 req->env = env; 1418 req->env = env;
1212 req->uint1 = open_flags | DB_THREAD; 1419 req->uint1 = open_flags | DB_THREAD;
1213 req->int1 = mode; 1420 req->int1 = mode;
1214 req->buf1 = strdup_ornull (db_home); 1421 req->buf1 = strdup_ornull (db_home);
1215 REQ_SEND; 1422 REQ_SEND;
… …
1282} 1489}
1283 OUTPUT: 1490 OUTPUT:
1284 RETVAL 1491 RETVAL
1285 1492
1286void 1493void
1287db_open (DB *db, DB_TXN_ornull *txnid, octetstring file, octetstring database, int type, U32 flags, int mode, SV *callback = &PL_sv_undef) 1494db_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: 1495 CODE:
1289{ 1496{
1290 dREQ (REQ_DB_OPEN); 1497 dREQ (REQ_DB_OPEN);
1291 req->db = db; 1498 req->db = db;
1292 req->txn = txnid; 1499 req->txn = txnid;
… …
1332 req->uint1 = flags; 1539 req->uint1 = flags;
1333 REQ_SEND; 1540 REQ_SEND;
1334} 1541}
1335 1542
1336void 1543void
1544db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = &PL_sv_undef)
1545 CODE:
1546{
1547 dREQ (REQ_DB_SYNC);
1548 req->db = db;
1549 req->buf1 = strdup (file);
1550 req->uint1 = flags;
1551 REQ_SEND;
1552}
1553
1554void
1337db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef) 1555db_key_range (DB *db, DB_TXN_ornull *txn, SV *key, SV *key_range, U32 flags = 0, SV *callback = &PL_sv_undef)
1338 CODE: 1556 CODE:
1339{ 1557{
1340 dREQ (REQ_DB_KEY_RANGE); 1558 dREQ (REQ_DB_KEY_RANGE);
1341 req->db = db; 1559 req->db = db;
… …
1360} 1578}
1361 1579
1362void 1580void
1363db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1581db_get (DB *db, DB_TXN_ornull *txn, SV *key, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1364 CODE: 1582 CODE:
1583 if (SvREADONLY (data))
1584 croak ("can't modify read-only data scalar in db_get");
1365{ 1585{
1366 dREQ (REQ_DB_GET); 1586 dREQ (REQ_DB_GET);
1367 req->db = db; 1587 req->db = db;
1368 req->txn = txn; 1588 req->txn = txn;
1369 req->uint1 = flags; 1589 req->uint1 = flags;
… …
1374} 1594}
1375 1595
1376void 1596void
1377db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef) 1597db_pget (DB *db, DB_TXN_ornull *txn, SV *key, SV *pkey, SV *data, U32 flags = 0, SV *callback = &PL_sv_undef)
1378 CODE: 1598 CODE:
1599 if (SvREADONLY (data))
1600 croak ("can't modify read-only data scalar in db_pget");
1379{ 1601{
1380 dREQ (REQ_DB_PGET); 1602 dREQ (REQ_DB_PGET);
1381 req->db = db; 1603 req->db = db;
1382 req->txn = txn; 1604 req->txn = txn;
1383 req->uint1 = flags; 1605 req->uint1 = flags;
… …
1420 REQ_SEND; 1642 REQ_SEND;
1421 ptr_nuke (ST (0)); 1643 ptr_nuke (ST (0));
1422} 1644}
1423 1645
1424void 1646void
1647db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1648 CODE:
1649{
1650 dREQ (REQ_TXN_FINISH);
1651 req->txn = txn;
1652 req->uint1 = flags;
1653 REQ_SEND;
1654 ptr_nuke (ST (0));
1655}
1656
1657void
1425db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1658db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1426 CODE: 1659 CODE:
1427{ 1660{
1428 dREQ (REQ_C_CLOSE); 1661 dREQ (REQ_C_CLOSE);
1429 req->dbc = dbc; 1662 req->dbc = dbc;
… …
1566 1799
1567 1800
1568MODULE = BDB PACKAGE = BDB::Env 1801MODULE = BDB PACKAGE = BDB::Env
1569 1802
1570void 1803void
1571DESTROY (DB_ENV_ornull *env) 1804DESTROY (DB_ENV_ornuked *env)
1572 CODE: 1805 CODE:
1573 if (env) 1806 if (env)
1574 env->close (env, 0); 1807 env->close (env, 0);
1575 1808
1576int set_data_dir (DB_ENV *env, const char *dir) 1809int set_data_dir (DB_ENV *env, const char *dir)
… …
1601 CODE: 1834 CODE:
1602 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache); 1835 RETVAL = env->set_cachesize (env, gbytes, bytes, ncache);
1603 OUTPUT: 1836 OUTPUT:
1604 RETVAL 1837 RETVAL
1605 1838
1606int set_flags (DB_ENV *env, U32 flags, int onoff) 1839int set_flags (DB_ENV *env, U32 flags, int onoff = 1)
1607 CODE: 1840 CODE:
1608 RETVAL = env->set_flags (env, flags, onoff); 1841 RETVAL = env->set_flags (env, flags, onoff);
1609 OUTPUT: 1842 OUTPUT:
1610 RETVAL 1843 RETVAL
1611 1844
1845void set_errfile (DB_ENV *env, FILE *errfile = 0)
1846 CODE:
1847 env->set_errfile (env, errfile);
1848
1849void set_msgfile (DB_ENV *env, FILE *msgfile = 0)
1850 CODE:
1851 env->set_msgfile (env, msgfile);
1852
1853int set_verbose (DB_ENV *env, U32 which = -1, int onoff = 1)
1854 CODE:
1855 RETVAL = env->set_verbose (env, which, onoff);
1856 OUTPUT:
1857 RETVAL
1858
1612int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0) 1859int set_encrypt (DB_ENV *env, const char *password, U32 flags = 0)
1613 CODE: 1860 CODE:
1614 RETVAL = env->set_encrypt (env, password, flags); 1861 RETVAL = env->set_encrypt (env, password, flags);
1615 OUTPUT: 1862 OUTPUT:
1616 RETVAL 1863 RETVAL
1617 1864
1618int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1865int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1619 CODE: 1866 CODE:
1620 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1867 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1621 OUTPUT: 1868 OUTPUT:
1622 RETVAL 1869 RETVAL
1623 1870
… …
1671 1918
1672int set_lg_max (DB_ENV *env, U32 max) 1919int set_lg_max (DB_ENV *env, U32 max)
1673 CODE: 1920 CODE:
1674 RETVAL = env->set_lg_max (env, max); 1921 RETVAL = env->set_lg_max (env, max);
1675 OUTPUT: 1922 OUTPUT:
1923 RETVAL
1924
1925int mutex_set_max (DB_ENV *env, U32 max)
1926 CODE:
1927 RETVAL = env->mutex_set_max (env, max);
1928 OUTPUT:
1929 RETVAL
1930
1931int mutex_set_increment (DB_ENV *env, U32 increment)
1932 CODE:
1933 RETVAL = env->mutex_set_increment (env, increment);
1934 OUTPUT:
1935 RETVAL
1936
1937int mutex_set_tas_spins (DB_ENV *env, U32 tas_spins)
1938 CODE:
1939 RETVAL = env->mutex_set_tas_spins (env, tas_spins);
1940 OUTPUT:
1941 RETVAL
1942
1943int mutex_set_align (DB_ENV *env, U32 align)
1944 CODE:
1945 RETVAL = env->mutex_set_align (env, align);
1946 OUTPUT:
1676 RETVAL 1947 RETVAL
1677 1948
1678DB_TXN * 1949DB_TXN *
1679txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0) 1950txn_begin (DB_ENV *env, DB_TXN_ornull *parent = 0, U32 flags = 0)
1680 CODE: 1951 CODE:
… …
1685 RETVAL 1956 RETVAL
1686 1957
1687MODULE = BDB PACKAGE = BDB::Db 1958MODULE = BDB PACKAGE = BDB::Db
1688 1959
1689void 1960void
1690DESTROY (DB_ornull *db) 1961DESTROY (DB_ornuked *db)
1691 CODE: 1962 CODE:
1692 if (db) 1963 if (db)
1693 { 1964 {
1694 SV *env = (SV *)db->app_private; 1965 SV *env = (SV *)db->app_private;
1695 db->close (db, 0); 1966 db->close (db, 0);
… …
1700 CODE: 1971 CODE:
1701 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache); 1972 RETVAL = db->set_cachesize (db, gbytes, bytes, ncache);
1702 OUTPUT: 1973 OUTPUT:
1703 RETVAL 1974 RETVAL
1704 1975
1705int set_flags (DB *db, U32 flags); 1976int set_flags (DB *db, U32 flags)
1706 CODE: 1977 CODE:
1707 RETVAL = db->set_flags (db, flags); 1978 RETVAL = db->set_flags (db, flags);
1708 OUTPUT: 1979 OUTPUT:
1709 RETVAL 1980 RETVAL
1710 1981
… …
1724 CODE: 1995 CODE:
1725 RETVAL = db->set_bt_minkey (db, minkey); 1996 RETVAL = db->set_bt_minkey (db, minkey);
1726 OUTPUT: 1997 OUTPUT:
1727 RETVAL 1998 RETVAL
1728 1999
1729int set_re_delim(DB *db, int delim); 2000int set_re_delim (DB *db, int delim)
1730 CODE: 2001 CODE:
1731 RETVAL = db->set_re_delim (db, delim); 2002 RETVAL = db->set_re_delim (db, delim);
1732 OUTPUT: 2003 OUTPUT:
1733 RETVAL 2004 RETVAL
1734 2005
… …
1790 2061
1791 2062
1792MODULE = BDB PACKAGE = BDB::Txn 2063MODULE = BDB PACKAGE = BDB::Txn
1793 2064
1794void 2065void
1795DESTROY (DB_TXN_ornull *txn) 2066DESTROY (DB_TXN_ornuked *txn)
1796 CODE: 2067 CODE:
1797 if (txn) 2068 if (txn)
1798 txn->abort (txn); 2069 txn->abort (txn);
1799 2070
1800int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 2071int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1801 CODE: 2072 CODE:
1802 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 2073 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1803 OUTPUT: 2074 OUTPUT:
1804 RETVAL 2075 RETVAL
1805 2076
2077int failed (DB_TXN *txn)
2078 CODE:
2079 RETVAL = !!(txn->flags & TXN_DEADLOCK);
2080 OUTPUT:
2081 RETVAL
2082
1806 2083
1807MODULE = BDB PACKAGE = BDB::Cursor 2084MODULE = BDB PACKAGE = BDB::Cursor
1808 2085
1809void 2086void
1810DESTROY (DBC_ornull *dbc) 2087DESTROY (DBC_ornuked *dbc)
1811 CODE: 2088 CODE:
1812 if (dbc) 2089 if (dbc)
1813 dbc->c_close (dbc); 2090 dbc->c_close (dbc);
1814 2091
2092#if DB_VERSION_MINOR >= 6
2093
2094int set_priority (DBC *dbc, int priority)
2095 CODE:
2096 dbc->set_priority (dbc, priority);
2097
2098#endif
2099
1815MODULE = BDB PACKAGE = BDB::Sequence 2100MODULE = BDB PACKAGE = BDB::Sequence
1816 2101
1817void 2102void
1818DESTROY (DB_SEQUENCE_ornull *seq) 2103DESTROY (DB_SEQUENCE_ornuked *seq)
1819 CODE: 2104 CODE:
1820 if (seq) 2105 if (seq)
1821 seq->close (seq, 0); 2106 seq->close (seq, 0);
1822 2107
1823int initial_value (DB_SEQUENCE *seq, db_seq_t value) 2108int initial_value (DB_SEQUENCE *seq, db_seq_t value)
… …
1842 CODE: 2127 CODE:
1843 RETVAL = seq->set_range (seq, min, max); 2128 RETVAL = seq->set_range (seq, min, max);
1844 OUTPUT: 2129 OUTPUT:
1845 RETVAL 2130 RETVAL
1846 2131
2132

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