OSProcess file locking bug report and fix
David T. Lewis
lewis at mail.msen.com
Mon May 1 11:06:33 UTC 2006
OSProcess file locking bug/fix
Squeak applications that rely on file locking for Unix, such as
Omnibase applications. Squeak with OSProcess on Unix/Linux using
unix file locking with Win32 file lock emulation disabled. The
problem does not occur if Win32 file lock emulation is enabled
(OSProcessAccessor emulateWin32FileLocking: true).
UnixOSProcessAccessor>>unlockFileRegion: may not unlock a file
or file region when Win32 compatibility is disabled
(OSProcessAccessor emulateWin32FileLocking: false).
Change set attached, "OSProcessFileLockPatch-dtl.2.cs".
An updated SUnit test that demonstrate the problem is at:
The most recent OSProcess (unreleased), including this patch and a
few unrelated updates, is at:
If you are not using OSProcess for file locking on a Unix/Linux
platform, you should ignore this update.
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