SQLite

Check-in [fc489b5382]
Login

Many hyperlinks are disabled.
Use anonymous login to enable hyperlinks.

Overview
Comment:In the windows driver, reacquire the shared lock if an exclusive lock fails. Ticket #2354. (CVS 3992)
Downloads: Tarball | ZIP archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: fc489b53829aa25bc10cc47d679c81d95c746abf
User & Date: drh 2007-05-14 12:12:11.000
Context
2007-05-14
14:05
Prevent sub-queries with "LIMIT 0" from leaving an extra value on the vdbe stack. Also updates to fuzz.test. (CVS 3993) (check-in: b1d1b16e98 user: danielk1977 tags: trunk)
12:12
In the windows driver, reacquire the shared lock if an exclusive lock fails. Ticket #2354. (CVS 3992) (check-in: fc489b5382 user: drh tags: trunk)
11:34
Remove terms with operator TK_AS from the expression tree. Ticket #2356. (CVS 3991) (check-in: 5627ff74be user: drh tags: trunk)
Changes
Unified Diff Ignore Whitespace Patch
Changes to src/os_win.c.
︙︙
1286
1287
1288
1289
1290
1291
1292

1293
1294
1295
1296
1297
1298
1299

    res = unlockReadLock(pFile);
    OSTRACE2("unreadlock = %d\n", res);
    res = LockFile(pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
    if( res ){
      newLocktype = EXCLUSIVE_LOCK;
    }else{
      OSTRACE2("error-code = %d\n", GetLastError());

    }
  }

  /* If we are holding a PENDING lock that ought to be released, then
  ** release it now.
  */
  if( gotPendingLock && locktype==SHARED_LOCK ){








>








1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300

    res = unlockReadLock(pFile);
    OSTRACE2("unreadlock = %d\n", res);
    res = LockFile(pFile->h, SHARED_FIRST, 0, SHARED_SIZE, 0);
    if( res ){
      newLocktype = EXCLUSIVE_LOCK;
    }else{
      OSTRACE2("error-code = %d\n", GetLastError());
      getReadLock(pFile);
    }
  }

  /* If we are holding a PENDING lock that ought to be released, then
  ** release it now.
  */
  if( gotPendingLock && locktype==SHARED_LOCK ){
︙︙