- Catch UserInterruptException launched from
PythonPolicy in Scheduler, but it cheerfully segfaults python... git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@464 3ecf2c5c-341e-0410-92b4-d18e462d057c
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@ -161,7 +161,8 @@ PythonPolicy::wait_unlock() const throw(UserInterruptException)
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// we shot it stone dead! Bang.
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bool still_locked;
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do {
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do
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{
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Py_UNBLOCK_THREADS;
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usleep(25000); // hack'a'ton! magggggiccc nummmbeeerrrrrs!!
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Py_BLOCK_THREADS;
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@ -171,9 +172,12 @@ PythonPolicy::wait_unlock() const throw(UserInterruptException)
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Py_DECREF(retval);
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if(i++ > 120)
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{
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throw UserInterruptException("User-defined policy is "
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"taking too long to terminate.");
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} while(still_locked);
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}
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}
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while(still_locked);
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// What we should really do here:
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@ -21,6 +21,9 @@
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#include "policy.hh"
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#include "scheduler.hh"
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#include "policy_manager.hh"
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#include "user_interrupt_exception.hh"
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#include <iostream>
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using namespace std;
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using namespace sgpem;
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using namespace memory;
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@ -78,6 +81,8 @@ Scheduler::get_policy()
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void
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Scheduler::step_forward()
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{
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try
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{
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Policy& policy = get_policy();
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@ -189,3 +194,19 @@ Scheduler::step_forward()
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*/
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h.enqueue_slice(_ready_queue);
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}
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catch( UserInterruptException e )
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{
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// FIXME : Naive.
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cerr << "Exception: " << e.what() << endl;
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// Errrrr.... you won't like this:
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_policy_manager.init();
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// https://sourceforge.net/tracker/?func=detail&atid=105470&aid=1165761&group_id=5470
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// maybe it's that??? oh, damn.
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// or maybe not. see http://www.python.org/doc/2.4.2/api/initialization.html
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// Tell:
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// - the user that the policy sucks
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// - SimulationController that everything stopped
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}
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}
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@ -15,6 +15,8 @@ class fcfs(Policy) :
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return -1
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def sort_queue(self, event, queue):
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#while True:
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# pass
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cmpf = lambda a, b: \
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a.get_schedulable().get_arrival_time() < \
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b.get_schedulable().get_arrival_time()
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