Changeset 1433 for pykota/trunk/bin/cupspykota

Timestamp:

04/10/04 00:24:47 (20 years ago)

Author:

jalet

Message:

Began work on correct handling of child processes when jobs are cancelled by
the user. Especially important when an external requester is running for a
long time.

Files:

• pykota/trunk/bin/cupspykota (modified) (2 diffs)

pykota/trunk/bin/cupspykota

@@ -24 +24 @@
 #
 # $Log$
+# Revision 1.38  2004/04/09 22:24:46  jalet
+# Began work on correct handling of child processes when jobs are cancelled by
+# the user. Especially important when an external requester is running for a
+# long time.
+#
 # Revision 1.37  2004/03/18 19:11:25  jalet
 # Fix for raw jobs in cupspykota
@@ -190 +195 @@
 class PyKotaBackend(PyKotaFilterOrBackend) :        
     """A class for the pykota backend."""
-    def __init__(self) :
-        """Does normal initialization then installs signal handler."""
-        # Normal init
-        PyKotaFilterOrBackend.__init__(self)
-        
-        # then deal with signals
-        # CUPS backends ignore SIGPIPE and exit(1) on SIGTERM
-        # Fortunately SIGPIPE is already ignored by Python
-        # It's there just in case this changes in the future.
-        # Here we have to handle SIGTERM correctly, and pass
-        # it to the original backend if needed.
-        self.gotSigTerm = 0
-        signal.signal(signal.SIGPIPE, signal.SIG_IGN)
-        signal.signal(signal.SIGTERM, self.sigterm_handler)
-        
-    def sigterm_handler(self, signum, frame) :
-        """Sets a global variable whenever SIGTERM is received."""
-        # SIGTERM will be ignore most of the time, but during
-        # the call to the real backend, we have to pass it through.
-        self.gotSigTerm = 1
-        self.logger.log_message(_("SIGTERM received, job %s cancelled.") % self.jobid, "info")
-        
     def acceptJob(self) :        
         """Returns the appropriate exit code to tell CUPS all is OK."""