Merge pull request #93 from nbaksalyar/proc-task-self

Add a method to get a task for main thread

src/process/mod.rs

@@ -888,6 +888,11 @@ impl Process {
         StatM::from_reader(file)
     }
 
+    /// Return a task for the main thread of this process
+    pub fn task_main_thread(&self) -> ProcResult<Task> {
+        Task::from_rel_path(self.pid, Path::new(&format!("{}", self.pid)))
+    }
+
     /// Iterate over all the [`Task`]s (aka Threads) in this process
     ///
     /// Note that the iterator does not receive a snapshot of tasks, it is a

src/process/tests.rs

@@ -16,6 +16,13 @@ fn check_unwrap<T>(prc: &Process, val: ProcResult<T>) {
     }
 }
 
+#[test]
+fn test_main_thread_task() {
+    let myself = Process::myself().unwrap();
+    let task = myself.task_main_thread().unwrap();
+    check_unwrap(&myself, task.stat());
+}
+
 #[allow(clippy::cognitive_complexity)]
 #[test]
 fn test_self_proc() {