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/cvs/BDB/BDB.xs
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Comparing BDB/BDB.xs (file contents):
Revision 1.16 by root, Mon Aug 13 12:01:45 2007 UTC vs.
Revision 1.19 by root, Mon Sep 24 18:14:11 2007 UTC

104 REQ_QUIT, 104 REQ_QUIT,
105 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT, 105 REQ_ENV_OPEN, REQ_ENV_CLOSE, REQ_ENV_TXN_CHECKPOINT, REQ_ENV_LOCK_DETECT,
106 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE, 106 REQ_ENV_MEMP_SYNC, REQ_ENV_MEMP_TRICKLE,
107 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC, 107 REQ_DB_OPEN, REQ_DB_CLOSE, REQ_DB_COMPACT, REQ_DB_SYNC,
108 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE, 108 REQ_DB_PUT, REQ_DB_GET, REQ_DB_PGET, REQ_DB_DEL, REQ_DB_KEY_RANGE,
109 REQ_TXN_COMMIT, REQ_TXN_ABORT, 109 REQ_TXN_COMMIT, REQ_TXN_ABORT, REQ_TXN_FINISH,
110 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL, 110 REQ_C_CLOSE, REQ_C_COUNT, REQ_C_PUT, REQ_C_GET, REQ_C_PGET, REQ_C_DEL,
111 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE, 111 REQ_SEQ_OPEN, REQ_SEQ_CLOSE, REQ_SEQ_GET, REQ_SEQ_REMOVE,
112}; 112};
113 113
114typedef struct aio_cb 114typedef struct aio_cb
191} 191}
192 192
193static volatile unsigned int nreqs, nready, npending; 193static volatile unsigned int nreqs, nready, npending;
194static volatile unsigned int max_idle = 4; 194static volatile unsigned int max_idle = 4;
195static volatile unsigned int max_outstanding = 0xffffffff; 195static volatile unsigned int max_outstanding = 0xffffffff;
196static int respipe [2], respipe_osf [2]; 196static int respipe_osf [2], respipe [2] = { -1, -1 };
197 197
198static mutex_t reslock = X_MUTEX_INIT; 198static mutex_t reslock = X_MUTEX_INIT;
199static mutex_t reqlock = X_MUTEX_INIT; 199static mutex_t reqlock = X_MUTEX_INIT;
200static cond_t reqwait = X_COND_INIT; 200static cond_t reqwait = X_COND_INIT;
201 201
379#else 379#else
380# define TO_SOCKET(x) (x) 380# define TO_SOCKET(x) (x)
381#endif 381#endif
382 382
383static void 383static void
384create_pipe (int fd[2]) 384create_respipe ()
385{ 385{
386 int old_readfd = respipe [0];
387
388 if (respipe [1] >= 0)
389 respipe_close (TO_SOCKET (respipe [1]));
390
391#ifdef _WIN32
392 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, respipe))
393#else
394 if (pipe (respipe))
395#endif
396 croak ("unable to initialize result pipe");
397
398 if (old_readfd >= 0)
399 {
400 if (dup2 (TO_SOCKET (respipe [0]), TO_SOCKET (old_readfd)) < 0)
401 croak ("unable to initialize result pipe(2)");
402
403 respipe_close (respipe [0]);
404 respipe [0] = old_readfd;
405 }
406
386#ifdef _WIN32 407#ifdef _WIN32
387 int arg = 1; 408 int arg = 1;
388 if (PerlSock_socketpair (AF_UNIX, SOCK_STREAM, 0, fd)
389 || ioctlsocket (TO_SOCKET (fd [0]), FIONBIO, &arg) 409 if (ioctlsocket (TO_SOCKET (respipe [0]), FIONBIO, &arg)
390 || ioctlsocket (TO_SOCKET (fd [1]), FIONBIO, &arg)) 410 || ioctlsocket (TO_SOCKET (respipe [1]), FIONBIO, &arg))
391#else 411#else
392 if (pipe (fd)
393 || fcntl (fd [0], F_SETFL, O_NONBLOCK) 412 if (fcntl (respipe [0], F_SETFL, O_NONBLOCK)
394 || fcntl (fd [1], F_SETFL, O_NONBLOCK)) 413 || fcntl (respipe [1], F_SETFL, O_NONBLOCK))
395#endif 414#endif
396 croak ("unable to initialize result pipe"); 415 croak ("unable to initialize result pipe(3)");
397 416
398 respipe_osf [0] = TO_SOCKET (respipe [0]); 417 respipe_osf [0] = TO_SOCKET (respipe [0]);
399 respipe_osf [1] = TO_SOCKET (respipe [1]); 418 respipe_osf [1] = TO_SOCKET (respipe [1]);
400} 419}
401 420
668 X_UNLOCK (reqlock); 687 X_UNLOCK (reqlock);
669 688
670 switch (req->type) 689 switch (req->type)
671 { 690 {
672 case REQ_QUIT: 691 case REQ_QUIT:
692 req->result = ENOSYS;
673 goto quit; 693 goto quit;
674 694
675 case REQ_ENV_OPEN: 695 case REQ_ENV_OPEN:
676 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1); 696 req->result = req->env->open (req->env, req->buf1, req->uint1, req->int1);
677 break; 697 break;
736 req->result = req->txn->commit (req->txn, req->uint1); 756 req->result = req->txn->commit (req->txn, req->uint1);
737 break; 757 break;
738 758
739 case REQ_TXN_ABORT: 759 case REQ_TXN_ABORT:
740 req->result = req->txn->abort (req->txn); 760 req->result = req->txn->abort (req->txn);
761 break;
762
763 case REQ_TXN_FINISH:
764 if (req->txn->flags & TXN_DEADLOCK)
765 {
766 req->result = req->txn->abort (req->txn);
767 if (!req->result)
768 req->result = DB_LOCK_DEADLOCK;
769 }
770 else
771 req->result = req->txn->commit (req->txn, req->uint1);
741 break; 772 break;
742 773
743 case REQ_C_CLOSE: 774 case REQ_C_CLOSE:
744 req->result = req->dbc->c_close (req->dbc); 775 req->result = req->dbc->c_close (req->dbc);
745 break; 776 break;
787 default: 818 default:
788 req->result = ENOSYS; 819 req->result = ENOSYS;
789 break; 820 break;
790 } 821 }
791 822
823 if (req->txn && (req->result > 0 || req->result == DB_LOCK_NOTGRANTED))
824 req->txn->flags |= TXN_DEADLOCK;
825
792 X_LOCK (reslock); 826 X_LOCK (reslock);
793 827
794 ++npending; 828 ++npending;
795 829
796 if (!reqq_push (&res_queue, req)) 830 if (!reqq_push (&res_queue, req))
852 idle = 0; 886 idle = 0;
853 nreqs = 0; 887 nreqs = 0;
854 nready = 0; 888 nready = 0;
855 npending = 0; 889 npending = 0;
856 890
857 respipe_close (respipe [0]);
858 respipe_close (respipe [1]);
859
860 create_pipe (respipe); 891 create_respipe ();
861 892
862 atfork_parent (); 893 atfork_parent ();
863} 894}
864 895
865#define dREQ(reqtype) \ 896#define dREQ(reqtype) \
1102 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv)); 1133 newCONSTSUB (stash, (char *)civ->name, newSViv (civ->iv));
1103 1134
1104 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1)); 1135 newCONSTSUB (stash, "DB_VERSION", newSVnv (DB_VERSION_MAJOR + DB_VERSION_MINOR * .1));
1105 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0)); 1136 newCONSTSUB (stash, "DB_VERSION_STRING", newSVpv (DB_VERSION_STRING, 0));
1106 1137
1107 create_pipe (respipe); 1138 create_respipe ();
1108 1139
1109 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child); 1140 X_THREAD_ATFORK (atfork_prepare, atfork_parent, atfork_child);
1110#ifdef _WIN32 1141#ifdef _WIN32
1111 X_MUTEX_CHECK (wrklock); 1142 X_MUTEX_CHECK (wrklock);
1112 X_MUTEX_CHECK (reslock); 1143 X_MUTEX_CHECK (reslock);
1500 REQ_SEND; 1531 REQ_SEND;
1501 ptr_nuke (ST (0)); 1532 ptr_nuke (ST (0));
1502} 1533}
1503 1534
1504void 1535void
1536db_txn_finish (DB_TXN *txn, U32 flags = 0, SV *callback = &PL_sv_undef)
1537 CODE:
1538{
1539 dREQ (REQ_TXN_FINISH);
1540 req->txn = txn;
1541 req->uint1 = flags;
1542 REQ_SEND;
1543 ptr_nuke (ST (0));
1544}
1545
1546void
1505db_c_close (DBC *dbc, SV *callback = &PL_sv_undef) 1547db_c_close (DBC *dbc, SV *callback = &PL_sv_undef)
1506 CODE: 1548 CODE:
1507{ 1549{
1508 dREQ (REQ_C_CLOSE); 1550 dREQ (REQ_C_CLOSE);
1509 req->dbc = dbc; 1551 req->dbc = dbc;
1707 CODE: 1749 CODE:
1708 RETVAL = env->set_encrypt (env, password, flags); 1750 RETVAL = env->set_encrypt (env, password, flags);
1709 OUTPUT: 1751 OUTPUT:
1710 RETVAL 1752 RETVAL
1711 1753
1712int set_timeout (DB_ENV *env, NV timeout, U32 flags) 1754int set_timeout (DB_ENV *env, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1713 CODE: 1755 CODE:
1714 RETVAL = env->set_timeout (env, timeout * 1000000, flags); 1756 RETVAL = env->set_timeout (env, timeout * 1000000, flags);
1715 OUTPUT: 1757 OUTPUT:
1716 RETVAL 1758 RETVAL
1717 1759
1889DESTROY (DB_TXN_ornull *txn) 1931DESTROY (DB_TXN_ornull *txn)
1890 CODE: 1932 CODE:
1891 if (txn) 1933 if (txn)
1892 txn->abort (txn); 1934 txn->abort (txn);
1893 1935
1894int set_timeout (DB_TXN *txn, NV timeout, U32 flags) 1936int set_timeout (DB_TXN *txn, NV timeout, U32 flags = DB_SET_TXN_TIMEOUT)
1895 CODE: 1937 CODE:
1896 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags); 1938 RETVAL = txn->set_timeout (txn, timeout * 1000000, flags);
1939 OUTPUT:
1940 RETVAL
1941
1942int failed (DB_TXN *txn)
1943 CODE:
1944 RETVAL = !!(txn->flags & TXN_DEADLOCK);
1897 OUTPUT: 1945 OUTPUT:
1898 RETVAL 1946 RETVAL
1899 1947
1900 1948
1901MODULE = BDB PACKAGE = BDB::Cursor 1949MODULE = BDB PACKAGE = BDB::Cursor

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