windows check_pid

oml/utils.py

@@ -369,6 +369,17 @@ def update_static():
     )
 
 def check_pid(pid):
+    if sys.platform == 'win32':
+        import ctypes
+        kernel32 = ctypes.windll.kernel32
+        SYNCHRONIZE = 0x100000
+        process = kernel32.OpenProcess(SYNCHRONIZE, 0, pid)
+        if process != 0:
+            kernel32.CloseHandle(process)
+            return True
+        else:
+            return False
+    else:
         try:
             os.kill(pid, 0)
         except: