
Wrap dup2 with HANDLE_EINTR in the error reporting set-up for the BPF support detection process. We also print errno as an attempt to obtain more information on this puzzling bug. BUG=152530 Review URL: https://chromiumcodereview.appspot.com/11103021 git-svn-id: svn://svn.chromium.org/chrome/trunk/src@161443 0039d316-1c4b-4281-b951-d872f2087c98