kgdb: kdmx agent-proxy: add status file feature

Add status file feature so tools that use the slave pty paths can be
automated.

An example of using this feature can be found in the section
'example 2(automate paths of gdb pty and terminal emulator pty)'
at http://elinux.org/Kdmx

Signed-off-by: Frank Rowand <frank.rowand@sonymobile.com>
Signed-off-by: Jason Wessel <jason.wessel@windriver.com>
1 file changed