[pypy-commit] pypy default: GetLastError/SetLastError support

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: 
Changeset: r58713:05560d7ead06
Date: 2012-11-04 11:32 +0100
http://bitbucket.org/pypy/pypy/changeset/05560d7ead06/

Log:	GetLastError/SetLastError support

diff --git a/pypy/module/_cffi_backend/cerrno.py b/pypy/module/_cffi_backend/cerrno.py
--- a/pypy/module/_cffi_backend/cerrno.py
+++ b/pypy/module/_cffi_backend/cerrno.py
@@ -1,9 +1,15 @@
+import sys
 from pypy.rlib import rposix
 from pypy.interpreter.executioncontext import ExecutionContext
 from pypy.interpreter.gateway import unwrap_spec
 
+WIN32 = sys.platform == 'win32'
+if WIN32:
+    from pypy.rlib import rwin32
+
 
 ExecutionContext._cffi_saved_errno = 0
+ExecutionContext._cffi_saved_LastError = 0
 
 
 def get_errno_container(space):
@@ -13,10 +19,14 @@
 
 
 def restore_errno_from(ec):
+    if WIN32:
+        rwin32.SetLastError(ec._cffi_saved_LastError)
     rposix.set_errno(ec._cffi_saved_errno)
 
 def save_errno_into(ec, errno):
     ec._cffi_saved_errno = errno
+    if WIN32:
+        ec._cffi_saved_LastError = rwin32.GetLastError()
 
 
 def get_errno(space):