- Draft first version of rr_priority (incomplete, will need some more
exported interface) - Add to the Makefile the glade files git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@804 3ecf2c5c-341e-0410-92b4-d18e462d057c
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@ -299,6 +299,10 @@ noinst_HEADERS += \
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# ---------- glade files -----------
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glade_DATA = \
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glade/add-process-dialog.glade \
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glade/add-request-dialog.glade \
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glade/add-resource-dialog.glade \
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glade/add-thread-dialog.glade \
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glade/main-window.glade
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# ############################################################
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@ -146,6 +146,7 @@ MOSTLYCLEANFILES += $(proxies) $(wrappers)
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# built-in policies
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policies_PYTHON = \
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src/builtin-policies/fcfs.py \
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src/builtin-policies/rr_priority.py \
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src/builtin-policies/sjf.py
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@ -0,0 +1,53 @@
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# src/builtin-policies/rr_priority.py - Copyright 2005, 2006, University
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# of Padova, dept. of Pure and Applied
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# Mathematics
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#
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# This file is part of SGPEMv2.
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#
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# This is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# SGPEMv2 is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with SGPEMv2; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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from Policy import Policy
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import sys
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class rr_priority(Policy) :
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def __init__(self):
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pass;
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def configure(self):
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print 'No options to configure for rr_priority'
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def is_preemptive(self):
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return False
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# FIXME pass to a configurable amount
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def get_time_slice(self):
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return 2
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# FIXME incorrect, but must be implemented to allow
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# loading from the policy manager
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def wants(self):
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return 0
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def sort_queue(self, queue):
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by_prio = lambda a, b: \
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a.get_current_priority() < \
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b.get_current_priority()
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by_ltime = lambda a, b: \
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a.get_last_acquisition() > \
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b.get_last_acquisition()
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self.sort(queue,by_ltime)
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self.sort(queue,by_prio)
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