Defines a plugin manager that runs all plugins in separate process linked by pipes.
Subclass of the PluginManager that runs each plugin in a different process
This method instanciate each plugin in a new process and link it to the parent with a pipe.
In the parent process context, the plugin’s class is replaced by the MultiprocessPluginProxy class that hold the information about the child process and the pipe to communicate with it. See IMultiprocessChildPlugin