--- a/wxPopen.py	Tue Sep 02 12:24:25 2008 +0200
+++ b/wxPopen.py	Wed Sep 03 17:28:17 2008 +0200
@@ -28,7 +28,8 @@
 import subprocess, ctypes
 import threading
 import os
-from signal import SIGTERM
+if os.name == 'posix':
+    from signal import SIGTERM, SIGKILL
 
     
 class outputThread(threading.Thread):
@@ -140,7 +141,7 @@
         if self.finish_callback is not None:
             self.finish_callback(self,ecode,pid)
 
-    def kill(self,signal=SIGTERM):
+    def kill(self,gently=True):
         self.outt.killed = True
         self.errt.killed = True
         if wx.Platform == '__WXMSW__':
@@ -149,8 +150,12 @@
             ctypes.windll.kernel32.TerminateProcess(handle, -1)
             ctypes.windll.kernel32.CloseHandle(handle)
         else:
+            if gently:
+                sig=SIGTERM
+            else:
+                sig=SIGKILL
             try:
-                os.kill(self.Proc.pid, signal)
+                os.kill(self.Proc.pid, sig)
             except:
                 pass
         self.outt.join()