[Python-checkins] r81011 - in python/branches/release26-maint: Lib/test/test_signal.py Misc/NEWS Modules/signalmodule.c Python/pythonrun.c (original) (raw)

Sat May 8 23:11:28 CEST 2010

   try:
   else:
       # Parent code.
       # Make sure the child is eventually reaped, else it'll be a
       # zombie for the rest of the test suite run.
       self.addCleanup(os.waitpid, pid, 0)
       # Close the write end of the pipe.  The child has a copy, so
       # it's not really closed until the child exits.  We need it to
       # close when the child exits so that in the non-interrupt case
       # the read eventually completes, otherwise we could just close
       # it *after* the test.
       os.close(w)
       # Try the read and report whether it is interrupted or not to
       # the caller.
       try:
           d=os.read(r, 1)
           d = os.read(r, 1)
           return False
       except OSError, err:
           if err.errno != errno.EINTR:
               raise
           return True
   finally:
       signal.signal(self.signum, oldhandler)
       os.waitpid(pid, 0)
   i=self.readpipe_interrupted(lambda: None)
   self.assertEquals(i, True)
   """If a signal handler is installed and siginterrupt is not called
   at all, when that signal arrives, it interrupts a syscall that's in
   progress.
   """
   i = self.readpipe_interrupted()
   self.assertTrue(i)
   # Arrival of the signal shouldn't have changed anything.
   i = self.readpipe_interrupted()
   self.assertTrue(i)
   i=self.readpipe_interrupted(lambda: signal.siginterrupt(self.signum, 1))
   self.assertEquals(i, True)
   """If a signal handler is installed and siginterrupt is called with
   a true value for the second argument, when that signal arrives, it
   interrupts a syscall that's in progress.
   """
   signal.siginterrupt(self.signum, 1)
   i = self.readpipe_interrupted()
   self.assertTrue(i)
   # Arrival of the signal shouldn't have changed anything.
   i = self.readpipe_interrupted()
   self.assertTrue(i)
   i=self.readpipe_interrupted(lambda: signal.siginterrupt(self.signum, 0))
   self.assertEquals(i, False)
   """If a signal handler is installed and siginterrupt is called with
   a false value for the second argument, when that signal arrives, it
   does not interrupt a syscall that's in progress.
   """
   signal.siginterrupt(self.signum, 0)
   i = self.readpipe_interrupted()
   self.assertFalse(i)
   # Arrival of the signal shouldn't have changed anything.
   i = self.readpipe_interrupted()
   self.assertFalse(i)

[Python-checkins] r81011 - in python/branches/release26-maint: Lib/test/test_signal.py Misc/NEWS Modules/signalmodule.c Python/pythonrun.c (original) (raw)

Modified: python/branches/release26-maint/Lib/test/test_signal.py

Modified: python/branches/release26-maint/Misc/NEWS

Modified: python/branches/release26-maint/Modules/signalmodule.c

Modified: python/branches/release26-maint/Python/pythonrun.c