beremiz

Added runtime/spawn_subprocess.py. Force use posix spawn instead of fork, with API similar to subprocess. Using fork in runtime is incompatible with Xenomai, because memory is locked and this can lead to out of memory error.
# pylint: disable=undefined-variable
from __future__ import absolute_import
from svgui.pyjs.jsonrpc.jsonrpc import JSONRPCServiceBase
class JSONRPCService(JSONRPCServiceBase):
def serve(self):
return self.process(request.body.read())
def __call__(self, func):
self.methods[func.__name__] = func
return func