React to the debugpyAttach event and try and start a new session; this gets tripped up by the _vimspector.Variables (etc) buffers already existing. Probably need to add the sesssion ID to the buffer name

support/test/python/multiprocessing/.vimspector.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://puremourning.github.io/vimspector/schema/vimspector.schema.json",
+  "configurations": {
+    "run": {
+      "adapter": "debugpy",
+      "configuration": {
+        "request": "launch",
+        "type": "python",
+        "cwd": "${workspaceRoot}",
+        "program": "${file}",
+        "stopOnEntry": false,
+        "console": "integratedTerminal",
+        "subProcess": true
+      },
+      "breakpoints": {
+        "exception": {
+          "raised": "N",
+          "uncaught": "Y",
+          "userUnhandled": ""
+        }
+      }
+    }
+  }
+}

support/test/python/multiprocessing/multiprocessing_test.py

@@ -0,0 +1,27 @@
+import time
+import multiprocessing as mp
+
+
+def First():
+  for _ in range( 100 ):
+    print( "in first" )
+    time.sleep( 0.1 )
+
+
+def Second():
+  for _ in range( 100 ):
+    print( "in second" )
+    time.sleep( 0.1 )
+
+
+print( "main" )
+p1 = mp.Process( target=First )
+p2 = mp.Process( target=Second )
+
+p1.start()
+p2.start()
+
+p1.join()
+p2.join()
+
+print( "Done" )