From 5ec95317649a05208e8054ffbb0df58790c20799 Mon Sep 17 00:00:00 2001
From: Paul Sokolovsky <pfalcon@users.sourceforge.net>
Date: Sat, 26 Apr 2014 09:41:47 +0300
Subject: [PATCH] os: Implement few file and process functions.

---
 os/os.py    | 25 +++++++++++++++++++++++++
 os/setup.py |  2 +-
 2 files changed, 26 insertions(+), 1 deletion(-)

diff --git a/os/os.py b/os/os.py
index 875a54ea..d4dfaf52 100644
--- a/os/os.py
+++ b/os/os.py
@@ -1,4 +1,5 @@
 import ffi
+import array
 
 
 libc = ffi.open("libc.so.6")
@@ -7,6 +8,10 @@ errno = libc.var("i", "errno")
 mkdir_ = libc.func("i", "mkdir", "si")
 read_ = libc.func("i", "read", "ipi")
 write_ = libc.func("i", "write", "iPi")
+close_ = libc.func("i", "close", "i")
+fork_ = libc.func("i", "fork", "")
+pipe_ = libc.func("i", "pipe", "p")
+_exit_ = libc.func("v", "_exit", "i")
 
 
 def check_error(ret):
@@ -28,3 +33,23 @@ def write(fd, buf):
     r = write_(fd, buf, len(buf))
     check_error(r)
     return r
+
+def close(fd):
+    r = close_(fd)
+    check_error(r)
+    return r
+
+
+def fork():
+    r = fork_()
+    check_error(r)
+    return r
+
+def pipe():
+    a = array.array('i', [0, 0])
+    r = pipe_(a)
+    check_error(r)
+    return a[0], a[1]
+
+def _exit(n):
+    _exit_(n)
diff --git a/os/setup.py b/os/setup.py
index 3378e568..92fb3532 100644
--- a/os/setup.py
+++ b/os/setup.py
@@ -1,7 +1,7 @@
 from distutils.core import setup
 
 setup(name='micropython-os',
-      version='0.0.2',
+      version='0.0.3',
       description='os module for MicroPython',
       url='https://github.com/micropython/micropython/issues/405',
       author='MicroPython Developers',