[PATCH v7 0/4] Improve pseudo console support.

[Corinna Vinschen]

On Jan 28 12:26, Takashi Yano via Cygwin-patches wrote:
> The new implementation of pseudo console support by commit bb428520
> provides the important advantages, while there also has been several
> disadvantages compared to the previous implementation.
> 
> These patches overturn some of them.
> 
> The disadvantage:
>  1) The cygwin program which calls console API directly does not work.
> is supposed to be able to be overcome as well, however, I am not sure
> it is worth enough. This will need a lot of hooks for console APIs.
>  --> Respecting Corinna's opinion, we decided not to implement this.
> 
> v3: Fix typeahead input issue in GDB. Several other bugs have also
>     been fixed.
> v4: Change the conditions for calling transfer_input() slightly in
>     reset_switch_to_pcon() to avoid calling it if uncecessary or
>     with no effect.
> v5: Small bug fix in v4.
> v6: Yet another bug fix.
>     Add missing CloseHandle().
>     Take into account when the master is running as a service (such
>     as ssh session).
> v7: Specify FILE_FLAG_OVERLAPPED for to_slave pipe to prevent
>     PeekNamedPipe() from blocking in transfer_input().
>     Simplify the code determining if the slave is reading.
> 
> Takashi Yano (4):
>   Cygwin: pty: Inherit typeahead data between two input pipes.
>   Cygwin: pty: Keep code page between non-cygwin apps.
>   Cygwin: pty: Make apps using console APIs be able to debug with gdb.
>   Cygwin: pty: Allow multiple apps to enable pseudo console
>     simultaneously.
> 
>  winsup/cygwin/fhandler.h      |   22 +-
>  winsup/cygwin/fhandler_tty.cc | 1123 +++++++++++++++++++++++++++------
>  winsup/cygwin/select.cc       |    7 +-
>  winsup/cygwin/spawn.cc        |  106 +++-
>  winsup/cygwin/tty.cc          |   13 +-
>  winsup/cygwin/tty.h           |   21 +-
>  6 files changed, 1059 insertions(+), 233 deletions(-)
> 
> -- 
> 2.30.0

Pushed.


Thanks,
Corinna