Posix: fix named SHM mappings permissions.

Make sure that named mappings in /dev/shm/ aren't created with
broad permissions.

BUG=254159
R=mark@chromium.org, markus@chromium.org

Review URL: https://codereview.chromium.org/17779002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@209814 0039d316-1c4b-4281-b951-d872f2087c98


CrOS-Libchrome-Original-Commit: afb848acb43ba316097ab4fddfa38dbd80bc6a71
2 files changed
tree: cc0f12d76a12edb5f640dee6827f893d13b6801a
  1. base/
  2. build/
  3. dbus/
  4. ipc/
  5. testing/
  6. third_party/