Add initial partial Pid parsing enum

Author: keeperofdakeys

src/procrs/pid/mod.rs

@@ -23,6 +23,7 @@ use TaskId;
 /// /proc/[pid] directory (for the respective pid).
 #[derive(Debug)]
 pub struct Pid {
+    // FIXME: Take Vec<PidFile> to indicate which things to parse
     /// The tid of this process
     pub pid: TaskId,
     /// The /proc/[pid]/stat file
@@ -140,6 +141,13 @@ impl Ord for Pid {
     }
 }
 
+/// A list of files in the pid directory.
+enum PIdFiles {
+    PidStatus,
+    PidStat,
+    PidCmdline
+}
+
 /// An Iterator over processes in the system.
 ///
 /// If a process disappears while scanning it, the partial Pid struct