[pypy-commit] pypy errno-again: fix

[arigo]

Author: Armin Rigo <arigo at tunes.org>
Branch: errno-again
Changeset: r75351:c778135940cd
Date: 2015-01-15 15:55 +0100
http://bitbucket.org/pypy/pypy/changeset/c778135940cd/

Log:	fix

diff --git a/pypy/module/_cffi_backend/ctypeptr.py b/pypy/module/_cffi_backend/ctypeptr.py
--- a/pypy/module/_cffi_backend/ctypeptr.py
+++ b/pypy/module/_cffi_backend/ctypeptr.py
@@ -347,7 +347,8 @@
 # ____________________________________________________________
 
 
-rffi_fdopen = rffi.llexternal("fdopen", [rffi.INT, rffi.CCHARP], rffi.CCHARP)
+rffi_fdopen = rffi.llexternal("fdopen", [rffi.INT, rffi.CCHARP], rffi.CCHARP,
+                              save_err=rffi.RFFI_SAVE_ERRNO)
 rffi_setbuf = rffi.llexternal("setbuf", [rffi.CCHARP, rffi.CCHARP], lltype.Void)
 rffi_fclose = rffi.llexternal("fclose", [rffi.CCHARP], rffi.INT)
 
@@ -357,7 +358,7 @@
     def __init__(self, fd, mode):
         self.llf = rffi_fdopen(fd, mode)
         if not self.llf:
-            raise OSError(rposix.get_errno(), "fdopen failed")
+            raise OSError(rposix.get_saved_errno(), "fdopen failed")
         rffi_setbuf(self.llf, lltype.nullptr(rffi.CCHARP.TO))
 
     def close(self):