# HG changeset patch
# User Mike Miller <mtmiller@ieee.org>
# Date 1411331588 14400
# Node ID b5c03bcc640a46514636b59d4dc66184fa053602
# Parent  e99d7a2e736713a7b944f85e521cceea3f8188a1
nproc: Fix unwind_protect_cleanup block in %!test

* nproc.cc: Fix unwind_protect_cleanup to unset OMP_NUM_THREADS if it
wasn't set before the test was run.

diff -r e99d7a2e7367 -r b5c03bcc640a libinterp/corefcn/nproc.cc
--- a/libinterp/corefcn/nproc.cc	Sun Sep 21 16:12:36 2014 -0400
+++ b/libinterp/corefcn/nproc.cc	Sun Sep 21 16:33:08 2014 -0400
@@ -100,6 +100,8 @@
 %! unwind_protect_cleanup
 %!   if (! isempty (old_val))
 %!     setenv ("OMP_NUM_THREADS", old_val);
+%!   else
+%!     setenv ("OMP_NUM_THREADS", "");
 %!   endif
 %! end_unwind_protect