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Overview
Comment: | Revise how OSTRACE reports logically boolean results in the Win32 VFS. |
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Downloads: | Tarball | ZIP archive |
Timelines: | family | ancestors | descendants | both | trunk |
Files: | files | file ages | folders |
SHA1: |
c405f971cf03e29110019ff863cbfb02 |
User & Date: | mistachkin 2014-05-28 03:23:55.937 |
Context
2014-05-28
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10:00 | Add an extra test to verify that the FTS notindexed option is working. (check-in: c461c0fe05 user: dan tags: trunk) | |
09:56 | Moved to "mistake" because this commit contains a typo causing a test to fail. Was: Add an extra test to further verify that the FTS notindexed option is working properly. (Leaf check-in: 7d445e593a user: dan tags: mistake) | |
03:27 | Revise locking retry semantics in Win32 VFS to abort early if the file handle is reported as invalid. (check-in: d43e2e59b5 user: mistachkin tags: winLockHandle) | |
03:23 | Revise how OSTRACE reports logically boolean results in the Win32 VFS. (check-in: c405f971cf user: mistachkin tags: trunk) | |
2014-05-27
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20:19 | Remove an incorrect assert() in the sorter. (check-in: b8b66103de user: drh tags: trunk) | |
Changes
Changes to src/os_win.c.
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2821 2822 2823 2824 2825 2826 2827 | SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0); } #endif if( res == 0 ){ pFile->lastErrno = osGetLastError(); /* No need to log a failure to lock */ } | | | 2821 2822 2823 2824 2825 2826 2827 2828 2829 2830 2831 2832 2833 2834 2835 | SHARED_FIRST+pFile->sharedLockByte, 0, 1, 0); } #endif if( res == 0 ){ pFile->lastErrno = osGetLastError(); /* No need to log a failure to lock */ } OSTRACE(("READ-LOCK file=%p, result=%d\n", pFile->h, res)); return res; } /* ** Undo a readlock */ static int winUnlockReadLock(winFile *pFile){ |
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2845 2846 2847 2848 2849 2850 2851 | } #endif if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){ pFile->lastErrno = lastErrno; winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno, "winUnlockReadLock", pFile->zPath); } | | | 2845 2846 2847 2848 2849 2850 2851 2852 2853 2854 2855 2856 2857 2858 2859 | } #endif if( res==0 && ((lastErrno = osGetLastError())!=ERROR_NOT_LOCKED) ){ pFile->lastErrno = lastErrno; winLogError(SQLITE_IOERR_UNLOCK, pFile->lastErrno, "winUnlockReadLock", pFile->zPath); } OSTRACE(("READ-UNLOCK file=%p, result=%d\n", pFile->h, res)); return res; } /* ** Lock the file with the lock specified by parameter locktype - one ** of the following: ** |
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2920 2921 2922 2923 2924 2925 2926 | PENDING_BYTE, 0, 1, 0))==0 ){ /* Try 3 times to get the pending lock. This is needed to work ** around problems caused by indexing and/or anti-virus software on ** Windows systems. ** If you are using this code as a model for alternative VFSes, do not ** copy this retry logic. It is a hack intended for Windows only. */ | | | | 2920 2921 2922 2923 2924 2925 2926 2927 2928 2929 2930 2931 2932 2933 2934 2935 | PENDING_BYTE, 0, 1, 0))==0 ){ /* Try 3 times to get the pending lock. This is needed to work ** around problems caused by indexing and/or anti-virus software on ** Windows systems. ** If you are using this code as a model for alternative VFSes, do not ** copy this retry logic. It is a hack intended for Windows only. */ OSTRACE(("LOCK-PENDING-FAIL file=%p, count=%d, result=%d\n", pFile->h, cnt, res)); if( cnt ) sqlite3_win32_sleep(1); } gotPendingLock = res; if( !res ){ lastErrno = osGetLastError(); } } |
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3006 3007 3008 3009 3010 3011 3012 | /* ** This routine checks if there is a RESERVED lock held on the specified ** file by this or any other process. If such a lock is held, return ** non-zero, otherwise zero. */ static int winCheckReservedLock(sqlite3_file *id, int *pResOut){ | | | | | | | | | | 3006 3007 3008 3009 3010 3011 3012 3013 3014 3015 3016 3017 3018 3019 3020 3021 3022 3023 3024 3025 3026 3027 3028 3029 3030 3031 3032 3033 3034 3035 3036 3037 3038 | /* ** This routine checks if there is a RESERVED lock held on the specified ** file by this or any other process. If such a lock is held, return ** non-zero, otherwise zero. */ static int winCheckReservedLock(sqlite3_file *id, int *pResOut){ int res; winFile *pFile = (winFile*)id; SimulateIOError( return SQLITE_IOERR_CHECKRESERVEDLOCK; ); OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p\n", pFile->h, pResOut)); assert( id!=0 ); if( pFile->locktype>=RESERVED_LOCK ){ res = 1; OSTRACE(("TEST-WR-LOCK file=%p, result=%d (local)\n", pFile->h, res)); }else{ res = winLockFile(&pFile->h, SQLITE_LOCKFILEEX_FLAGS,RESERVED_BYTE, 0, 1, 0); if( res ){ winUnlockFile(&pFile->h, RESERVED_BYTE, 0, 1, 0); } res = !res; OSTRACE(("TEST-WR-LOCK file=%p, result=%d (remote)\n", pFile->h, res)); } *pResOut = res; OSTRACE(("TEST-WR-LOCK file=%p, pResOut=%p, *pResOut=%d, rc=SQLITE_OK\n", pFile->h, pResOut, *pResOut)); return SQLITE_OK; } /* ** Lower the locking level on file descriptor id to locktype. locktype |
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