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Comparing BDB/BDB.xs (file contents):
Revision 1.63 by root, Tue Oct 21 02:21:25 2008 UTC vs.
Revision 1.69 by root, Wed Jul 15 14:40:00 2009 UTC

… …
6 6
7#include "EXTERN.h" 7#include "EXTERN.h"
8#include "perl.h" 8#include "perl.h"
9#include "XSUB.h" 9#include "XSUB.h"
10 10
11#include "schmorp.h"
12
11// perl stupidly defines these as macros, breaking 13// perl stupidly defines these as argument-less macros, breaking
12// lots and lots of code. 14// lots and lots of code.
13#undef open 15#undef open
14#undef close 16#undef close
15#undef abort 17#undef abort
16#undef malloc 18#undef malloc
… …
150enum { 152enum {
151 REQ_QUIT, 153 REQ_QUIT,
152 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 154 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
153 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME, 155 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, REQ_ENV_DBREMOVE, REQ_ENV_DBRENAME,
154 REQ_ENV_LOG_ARCHIVE, 156 REQ_ENV_LOG_ARCHIVE,
155 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_UPGRADE, 157 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, REQ_DB_VERIFY, REQ_DB_UPGRADE,
156 REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, 158 REQ_DB_PUT, REQ_DB_EXISTS, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
157 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH, 159 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
158 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 160 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
159 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, 161 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
160}; 162};
… …
245} 247}
246 248
247static volatile unsigned int nreqs, nready, npending; 249static volatile unsigned int nreqs, nready, npending;
248static volatile unsigned int max_idle = 4; 250static volatile unsigned int max_idle = 4;
249static volatile unsigned int max_outstanding = 0xffffffff; 251static volatile unsigned int max_outstanding = 0xffffffff;
250static int respipe_osf [2], respipe [2] = { -1, -1 }; 252static s_epipe respipe;
251 253
252static mutex_t reslock = X_MUTEX_INIT; 254static mutex_t reslock = X_MUTEX_INIT;
253static mutex_t reqlock = X_MUTEX_INIT; 255static mutex_t reqlock = X_MUTEX_INIT;
254static cond_t reqwait = X_COND_INIT; 256static cond_t reqwait = X_COND_INIT;
255 257
… …
456 free (req->buf3); 458 free (req->buf3);
457 459
458 Safefree (req); 460 Safefree (req);
459} 461}
460 462
461#ifdef USE_SOCKETS_AS_HANDLES
462# define TO_SOCKET(x) (win32_get_osfhandle (x))
463#else
464# define TO_SOCKET(x) (x)
465#endif
466
467static void 463static void
468create_respipe (void) 464create_respipe (void)
469{ 465{
470#ifdef _WIN32
471 int arg; /* argg */
472#endif
473 int old_readfd = respipe [0];
474
475 if (respipe [1] >= 0)
476 respipe_close (TO_SOCKET (respipe [1]));
477
478#ifdef _WIN32
479 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
480#else
481 if (pipe (respipe)) 466 if (s_epipe_renew (&respipe))
482#endif 467 croak ("BDB: unable to create event pipe");
483 croak ("unable to initialize result pipe");
484
485 if (old_readfd >= 0)
486 {
487 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
488 croak ("unable to initialize result pipe(2)");
489
490 respipe_close (respipe [0]);
491 respipe [0] = old_readfd;
492 }
493
494#ifdef _WIN32
495 arg = 1;
496 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
497 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
498#else
499 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
500 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
501#endif
502 croak ("unable to initialize result pipe(3)");
503
504 respipe_osf [0] = TO_SOCKET (respipe [0]);
505 respipe_osf [1] = TO_SOCKET (respipe [1]);
506} 468}
507 469
508static void bdb_request (bdb_req req); 470static void bdb_request (bdb_req req);
509X_THREAD_PROC (bdb_proc); 471X_THREAD_PROC (bdb_proc);
510 472
… …
660 if (size) 622 if (size)
661 return; 623 return;
662 624
663 maybe_start_thread (); 625 maybe_start_thread ();
664 626
665 FD_ZERO (&rfd); 627 s_epipe_wait (&respipe);
666 FD_SET (respipe [0], &rfd);
667
668 PerlSock_select (respipe [0] + 1, &rfd, 0, 0, 0);
669 } 628 }
670} 629}
671 630
672static int poll_cb (void) 631static int poll_cb (void)
673{ 632{
… …
693 if (req) 652 if (req)
694 { 653 {
695 --npending; 654 --npending;
696 655
697 if (!res_queue.size) 656 if (!res_queue.size)
698 {
699 /* read any signals sent by the worker threads */ 657 /* read any signals sent by the worker threads */
700 char buf [4]; 658 s_epipe_drain (&respipe);
701 while (respipe_read (respipe [0], buf, 4) == 4)
702 ;
703 }
704 } 659 }
705 660
706 X_UNLOCK (reslock); 661 X_UNLOCK (reslock);
707 662
708 if (!req) 663 if (!req)
… …
796 break; 751 break;
797#endif 752#endif
798 753
799 case REQ_DB_SYNC: 754 case REQ_DB_SYNC:
800 req->result = req->db->sync (req->db, req->uint1); 755 req->result = req->db->sync (req->db, req->uint1);
756 break;
757
758 case REQ_DB_VERIFY:
759 req->result = req->db->verify (req->db, req->buf1, req->buf2, 0, req->uint1);
801 break; 760 break;
802 761
803 case REQ_DB_UPGRADE: 762 case REQ_DB_UPGRADE:
804 req->result = req->db->upgrade (req->db, req->buf1, req->uint1); 763 req->result = req->db->upgrade (req->db, req->buf1, req->uint1);
805 break; 764 break;
… …
920 /* try to distribute timeouts somewhat evenly */ 879 /* try to distribute timeouts somewhat evenly */
921 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL); 880 ts.tv_nsec = ((unsigned long)self & 1023UL) * (1000000000UL / 1024UL);
922 881
923 for (;;) 882 for (;;)
924 { 883 {
925 ts.tv_sec = time (0) + IDLE_TIMEOUT; 884 ts.tv_sec = time (0) + IDLE_TIMEOUT;
926 885
927 X_LOCK (reqlock); 886 X_LOCK (reqlock);
928 887
929 for (;;) 888 for (;;)
930 { 889 {
… …
975 X_LOCK (reslock); 934 X_LOCK (reslock);
976 935
977 ++npending; 936 ++npending;
978 937
979 if (!reqq_push (&res_queue, req)) 938 if (!reqq_push (&res_queue, req))
980 /* write a dummy byte to the pipe so fh becomes ready */ 939 s_epipe_signal (&respipe);
981 respipe_write (respipe_osf [1], (const void *)&respipe_osf, 1);
982 940
983 self->req = 0; 941 self->req = 0;
984 worker_clear (self); 942 worker_clear (self);
985 943
986 X_UNLOCK (reslock); 944 X_UNLOCK (reslock);
… …
1162 } 1120 }
1163 } 1121 }
1164 1122
1165 return 0; 1123 return 0;
1166} 1124}
1125
1126/*****************************************************************************/
1127
1128#if 0
1129static int
1130bt_pfxc_compare (DB *db, const DBT *dbt1, const DBT *dbt2)
1131{
1132 ssize_t size1 = dbt1->size;
1133 ssize_t size2 = dbt2->size;
1134 int res = memcmp ((void *)dbt1->data, (void *)dbt2->data,
1135 size1 <= size2 ? size1 : size2);
1136
1137 if (res)
1138 return res;
1139 else if (size1 - size2)
1140 return size1 - size2;
1141 else
1142 return 0;
1143}
1144
1145static size_t
1146bt_pfxc_prefix_x (DB *db, const DBT *dbt1, const DBT *dbt2)
1147{
1148 ssize_t size1 = dbt1->size;
1149 ssize_t size2 = dbt2->size;
1150 u_int8_t *p1 = (u_int8_t *)dbt1->data;
1151 u_int8_t *p2 = (u_int8_t *)dbt2->data;
1152 u_int8_t *pe = p1 + (size1 <= size2 ? size1 : size2);
1153
1154 while (p1 < pe)
1155 if (*p1++ != *p2++)
1156 return p1 - (u_int8_t *)dbt1->data - 1;
1157
1158 if (size1 < size2) return size1 + 1;
1159 if (size1 > size2) return size2 + 1;
1160
1161 return size1;
1162}
1163#endif
1164
1165/*****************************************************************************/
1167 1166
1168/* stupid windows defines CALLBACK as well */ 1167/* stupid windows defines CALLBACK as well */
1169#undef CALLBACK 1168#undef CALLBACK
1170#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1)); 1169#define CALLBACK SV *cb = pop_callback (&items, ST (items - 1));
1171 1170
… …
1308 const_iv (REP_UNAVAIL) 1307 const_iv (REP_UNAVAIL)
1309 const_iv (RUNRECOVERY) 1308 const_iv (RUNRECOVERY)
1310 const_iv (SECONDARY_BAD) 1309 const_iv (SECONDARY_BAD)
1311 const_iv (VERIFY_BAD) 1310 const_iv (VERIFY_BAD)
1312 1311
1312 const_iv (SALVAGE)
1313 const_iv (AGGRESSIVE)
1314 const_iv (PRINTABLE)
1315 const_iv (NOORDERCHK)
1316 const_iv (ORDERCHKONLY)
1317
1313 const_iv (ARCH_ABS) 1318 const_iv (ARCH_ABS)
1314 const_iv (ARCH_DATA) 1319 const_iv (ARCH_DATA)
1315 const_iv (ARCH_LOG) 1320 const_iv (ARCH_LOG)
1316 const_iv (ARCH_REMOVE) 1321 const_iv (ARCH_REMOVE)
1317 1322
… …
1474 1479
1475int 1480int
1476poll_fileno () 1481poll_fileno ()
1477 PROTOTYPE: 1482 PROTOTYPE:
1478 CODE: 1483 CODE:
1479 RETVAL = respipe [0]; 1484 RETVAL = s_epipe_fd (&respipe);
1480 OUTPUT: 1485 OUTPUT:
1481 RETVAL 1486 RETVAL
1482 1487
1483int 1488int
1484poll_cb (...) 1489poll_cb (...)
… …
1762 req->uint1 = flags; 1767 req->uint1 = flags;
1763 REQ_SEND; 1768 REQ_SEND;
1764} 1769}
1765 1770
1766void 1771void
1772db_verify (DB *db, bdb_filename file, bdb_filename database = 0, SV *dummy = 0, U32 flags = 0, SV *callback = 0)
1773 PREINIT:
1774 CALLBACK
1775 CODE:
1776{
1777 dREQ (REQ_DB_VERIFY, 1);
1778 ptr_nuke (ST (0)); /* verify destroys the database handle, hopefully it is freed as well */
1779 req->db = db;
1780 req->buf1 = strdup (file);
1781 req->buf2 = strdup_ornull (database);
1782 req->uint1 = flags;
1783 REQ_SEND;
1784}
1785
1786void
1767db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0) 1787db_upgrade (DB *db, bdb_filename file, U32 flags = 0, SV *callback = 0)
1768 PREINIT: 1788 PREINIT:
1769 CALLBACK 1789 CALLBACK
1770 CODE: 1790 CODE:
1771{ 1791{
1772 dREQ (REQ_DB_SYNC, 1); 1792 dREQ (REQ_DB_UPGRADE, 1);
1773 req->db = db; 1793 req->db = db;
1774 req->buf1 = strdup (file); 1794 req->buf1 = strdup (file);
1775 req->uint1 = flags; 1795 req->uint1 = flags;
1776 REQ_SEND; 1796 REQ_SEND;
1777} 1797}

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