This is the mail archive of the cygwin mailing list for the Cygwin project.

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]
Other format: [Raw text]

Re: ipc, sockets and windows sp2

On Apr  4 18:05, Vincent Dedun wrote:
> grepping cygserver debug output, show that, with 2 child process 
> sharing mutex, wakeup is called first, then 2 msleep are called. So 
> when msleep is called, wakeup has already been called, and msleep has 
> to sleep forever.

What you see is intermixed debug output of different threads.  The log
output is not guranteed to be in the right order.  I've improved debug
output slightly so that it's at least possible to recognize mtx_locks
and mtx_unlocks which are connected and who's the current owner of a

I have debugged cygserver now for two days and have found various bugs,
one showing up as soon as another one was fixed.  I've rewritten the
whole thread synchronization and I've even found a synchronization bug
in the BSD code (which probably is no problem when running in the BSD

I've checked in a pretty big patch which works fine for me (but what
does that count?)


Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader
Red Hat, Inc.

Unsubscribe info:
Problem reports:

Index Nav: [Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav: [Date Prev] [Date Next] [Thread Prev] [Thread Next]