multiprocessing: Add, with bare Process class implementation.

multiprocessing/multiprocessing.py

@@ -0,0 +1,20 @@
+import os
+
+
+class Process:
+
+    def __init__(self, group=None, target=None, name=None, args=(), kwargs={}):
+        self.target = target
+        self.args = args
+        self.pid = 0
+
+    def start(self):
+        self.pid = os.fork()
+        if not self.pid:
+            self.target(*self.args)
+            os._exit(0)
+        else:
+            return
+
+    def join(self):
+        os.waitpid(self.pid, 0)

multiprocessing/setup.py

@@ -0,0 +1,15 @@
+import sys
+# Remove current dir from sys.path, otherwise distutils will peek up our
+# module instead of system.
+sys.path.pop(0)
+from setuptools import setup
+
+setup(name='micropython-multiprocessing',
+      version='0.0.1',
+      description='multiprocessing module to MicroPython',
+      url='https://github.com/micropython/micropython/issues/405',
+      author='Paul Sokolovsky',
+      author_email='micro-python@googlegroups.com',
+      license='MIT',
+      install_requires=['micropython-os'],
+      py_modules=['multiprocessing'])

multiprocessing/test_process.py

@@ -0,0 +1,9 @@
+from multiprocessing import Process
+
+def f(name):
+    print('hello', name)
+
+if __name__ == '__main__':
+    p = Process(target=f, args=('bob',))
+    p.start()
+    p.join()