gdb-non-stop-setting

gdb-non-stop-setting is a variable defined in `gdb-mi.el'.
Its value is

t

Documentation:
When in non-stop mode, stopped threads can be examined while
other threads continue to execute.

GDB session needs to be restarted for this setting to take effect.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 23.2 of Emacs.