strange crashes on invocation

[Pierre A. Humblet]

At 07:39 AM 9/27/2010, Corinna Vinschen wrote:
>On Sep 26 16:38, Corinna Vinschen wrote:
> > Btw., with horror I realized that our dependency to advapi32.dll also
> > adds an indirect dependency to msvcrt.dll.  For some reason I don't
> > understand yet, it's not possible to convert the advapi32 entry points
> > to all autoloaded entry points.  Many Cygwin applications don't start
> > anymore, for instance mintty or gdb.
>
>I found the reason why it's not possible to convert advapi32 to a
>autoload DLL.  The problem is a SEGV in the advapi32 function
>GetUserNameW.  For some reason advapi32 crashes in that function if the
>application is loadtime linked against advapi32.  Cygwin calls
>GetUserNameW in cygheap_user::init, which is called during Cygwin DLL
>initialization.  Apparently there's some sort of synchronization
>problem.

Why do we need the user name so early? Does it date back to Win95 when the user
shared was using the user name ? For the user fstab, it could be 
legitimate to insist
that the passwd entry exists.

Pierre