tests: kill for windows in killdaemons.py checks return values
authorSimon Heimberg <simohe@besonet.ch>
Fri, 17 Jan 2014 21:13:08 +0100
changeset 20493 b5f43dbf64ca
parent 20492 d0bca0649c7f
child 20494 ea3adeac5248
tests: kill for windows in killdaemons.py checks return values The return values of the windll calls are checked and when an error is indicated, it is raised. The handle is still closed properly.
tests/killdaemons.py
--- a/tests/killdaemons.py	Thu Feb 13 15:33:24 2014 -0600
+++ b/tests/killdaemons.py	Fri Jan 17 21:13:08 2014 +0100
@@ -4,13 +4,30 @@
 
 if os.name =='nt':
     import ctypes
+
+    def _check(ret, expectederr=None):
+        if ret == 0:
+            winerrno = ctypes.GetLastError()
+            if winerrno == expectederr:
+                return True
+            raise ctypes.WinError(winerrno)
+
     def kill(pid, logfn, tryhard=True):
         logfn('# Killing daemon process %d' % pid)
         PROCESS_TERMINATE = 1
         handle = ctypes.windll.kernel32.OpenProcess(
                 PROCESS_TERMINATE, False, pid)
-        ctypes.windll.kernel32.TerminateProcess(handle, -1)
-        ctypes.windll.kernel32.CloseHandle(handle)
+        if handle == 0:
+            # TODO: call _check(0, expected) to check if "process not found"
+            return # process not found, already finished
+        try:
+            _check(ctypes.windll.kernel32.TerminateProcess(handle, -1), 5)
+            #      windows error 5 when process does not exist or no access TODO
+        except: #re-raises
+            ctypes.windll.kernel32.CloseHandle(handle) # no _check, keep error
+            raise
+        _check(ctypes.windll.kernel32.CloseHandle(handle))
+
 else:
     def kill(pid, logfn, tryhard=True):
         try: