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fixed mutex handling for windows. Fixes #466

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clinton-hall 2014-07-09 14:21:24 +09:30
commit ad45988065
1 changed files with 18 additions and 9 deletions
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27
nzbtomedia/nzbToMediaUtil.py
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@ -952,22 +952,31 @@ class RunningProcess():
class WindowsProcess(): class WindowsProcess():
if platform.system() == 'Windows':
from win32event import CreateMutex
from win32api import CloseHandle, GetLastError
from winerror import ERROR_ALREADY_EXISTS
def __init__(self): def __init__(self):
self.mutexname = "nzbtomedia_{D0E858DF-985E-4907-B7FB-8D732C3FC3B9}" self.mutexname = "nzbtomedia_{D0E858DF-985E-4907-B7FB-8D732C3FC3B9}"
if platform.system() == 'Windows':
print "importing Mutex"
from win32event import CreateMutex
from win32api import CloseHandle, GetLastError
from winerror import ERROR_ALREADY_EXISTS
self.CreateMutex = CreateMutex
self.CloseHandle = CloseHandle
self.GetLastError = GetLastError
self.ERROR_ALREADY_EXISTS = ERROR_ALREADY_EXISTS
def alreadyrunning(self): def alreadyrunning(self):
self.mutex = CreateMutex(None, False, self.mutexname) self.mutex = self.CreateMutex(None, 0, self.mutexname)
self.lasterror = GetLastError() self.lasterror = self.GetLastError()
return (self.lasterror == ERROR_ALREADY_EXISTS) if (self.lasterror == self.ERROR_ALREADY_EXISTS):
self.CloseHandle(self.mutex)
return True
else:
return False
def __del__(self): def __del__(self):
if self.mutex: if self.mutex:
CloseHandle(self.mutex) self.CloseHandle(self.mutex)
class PosixProcess(): class PosixProcess():