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installer: introduce AppMutex for thgstakbar on installer

- avoid installing when thgtaskbar is running
- avoid starting a second instance of thgtaskbar

See http://www.jrsoftware.org/iskb.php?mutexsessions

Changeset 4634a1bf3be5…

Parent 7d026a991cde…

by Adrian Buehlmann

Changes to 2 files · Browse files at 4634a1bf3be5 Showing diff from parent 7d026a991cde Diff from another changeset...

Change 1 of 1 Show Entire File contrib/​win32/​mercurial.iss Stacked
 
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@@ -14,6 +14,7 @@
 AppUpdatesURL=http://bitbucket.org/tortoisehg/stable/  AppID=TortoiseHg  AppContact=teekaysoh@gmail.com +AppMutex=thgtaskbar,Global\thgtaskbar  OutputBaseFilename=TortoiseHg-0.8  DefaultDirName={pf}\TortoiseHg  SourceDir=..\..
Change 1 of 2 Show Entire File thgtaskbar.py Stacked
 
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@@ -17,6 +17,7 @@
 import win32file  import winerror  import pywintypes +import win32security    from mercurial import demandimport  demandimport.ignore.append('win32com.shell') @@ -420,7 +421,17 @@
  # Clean up when we exit   self.SvcStop()   +MUTEXNAME = 'thgtaskbar' +  def main(): + sa = win32security.SECURITY_ATTRIBUTES() + sa.SetSecurityDescriptorDacl (1, None, 0) # allow full access + mutex1 = win32event.CreateMutex(sa, 1, MUTEXNAME) + if GetLastError() == winerror.ERROR_ALREADY_EXISTS: + print "another instance is already running" + return + # see http://www.jrsoftware.org/iskb.php?mutexsessions + mutex2 = win32event.CreateMutex(sa, 1, 'Global\\' + MUTEXNAME)   w=MainWindow()   PumpMessages()