Add Fiber#status (refs #16)

ysbaddaden · Jun 20, 2024 · 65c11a5 · 65c11a5
1 parent 4294393
commit 65c11a5
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/src/core_ext/fiber.cr b/src/core_ext/fiber.cr
@@ -1,4 +1,10 @@
 class Fiber
+  enum Status
+    Suspended
+    Running
+    Dead
+  end
+
   def self.current : Fiber
     Thread.current.current_fiber
   end
@@ -71,6 +77,18 @@ class Fiber
   #   # @execution_context = ExecutionContext.current # <= infinite recursion
   # end
 
+  def status : Status
+    if @alive
+      if @context.@resumable == 1
+        Status::Suspended
+      else
+        Status::Running
+      end
+    else
+      Status::Dead
+    end
+  end
+
   def enqueue : Nil
     execution_context.enqueue(self)
   end