On 4/7/16, sanhua.zh <sanhua.zh at foxmail.com> wrote: > I found the code and the comment at [unixLock] of os_unix.h is different. > The comment say that a shared lock will lock a random byte from ?shared byte > range?(which is 510 bytes length). But the code show that it locks the whole > ?shared byte range?.
The comment is legacy from the locking protocol used by Windows95, which lacks the ability to do a shared file lock. I'll fix the comment. -- D. Richard Hipp drh at sqlite.org
