--- /dev/null
+/*
+ * Copyright © 2012-2013 Canonical Ltd.
+ *
+ * This program is free software: you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License version 3,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * Authored by: Thomas Voß <thomas.voss@canonical.com>
+ */
+#ifndef CORE_POSIX_LINUX_PROC_PROCESS_STATE_H_
+#define CORE_POSIX_LINUX_PROC_PROCESS_STATE_H_
+
+#include <core/posix/visibility.h>
+
+#include <iosfwd>
+
+namespace core
+{
+namespace posix
+{
+namespace linux
+{
+namespace proc
+{
+namespace process
+{
+enum class State
+{
+ undefined = -1,
+ running = 'R',
+ sleeping = 'S',
+ disk_sleep = 'D',
+ zombie = 'Z',
+ traced_or_stopped = 'T',
+ paging = 'W'
+};
+}
+}
+}
+}
+}
+
+#endif // CORE_POSIX_LINUX_PROC_PROCESS_STATE_H_