private void PreemptionEnable()
{
if (MyEngine.EnvironmentVars.FlipPreemptSense)
{
MChessChess.PreemptionDisable();
}
else
{
MChessChess.PreemptionEnable();
}
}
public static void PreemptionDisable()
{
using (new WrapperSentry())
{
// need to insert dummy access before turning off preemptions
// - otherwise too many schedules get eliminated
MChessChess.SyncVarAccess(509, MSyncVarOp.RWVAR_READWRITE);
MChessChess.CommitSyncVarAccess();
MChessChess.PreemptionDisable();
}
}
public void ThreadBegin(Semaphore s)
{
NumThreads++;
s.WaitOne();
if (!MChessChess.TaskBegin())
{
ChessDetach();
}
OnWakeUp();
if (MyEngine.EnvironmentVars.FlipPreemptSense)
{
MChessChess.PreemptionDisable();
}
}
public ChessMain(MChessOptions m, Assembly a, string testClassName, string unitTestName)
{
this.mco = m;
this.testAssembly = a;
this.testclass = testClassName;
this.unitTestMethodName = unitTestName;
this.runUnitTest = !String.IsNullOrEmpty(unitTestMethodName);
this.manager = new ClrSyncManager(m);
MChessChess.Init(manager, mco);
TryLoadReferencedAssemblies(new[] { testAssembly });
get_entries(testAssembly);
popups(m);
this.manager.SetExitCallBack((c, ex) => {
string msg = "";
if (ex != null)
{
msg = @"Child thread raised exception
" + ex.Message + @"
Stack trace:
" + ex.StackTrace + @"
";
ReportErrorAndExit(msg, c, true, ex);
}
ReportErrorAndExitRaw("", c, true, true, null);
});
try
{
do_startup();
// print warning if races are disabled
if (MChessChess.GetExitCode() == 0 && !(mco.preemptAccesses || mco.sober ||
mco.maxExecutions == 1 || !String.IsNullOrEmpty(mco.enumerateObservations)))
{
MChessChess.ReportWarning("Race Detection Disabled. Races May Hide Bugs.", "", false);
}
// RunTest loop
bool moreToTest = true;
while (moreToTest)
{
if (!MChessChess.StartTest())
{
ReportErrorAndExit("Internal failure: CHESS.StartTest failed", ChessExitCode.ChessFailure, false, null);
}
if (MyEngine.EnvironmentVars.FlipPreemptSense)
{
MChessChess.PreemptionDisable();
}
do_run();
if (MyEngine.EnvironmentVars.FlipPreemptSense)
{
MChessChess.PreemptionEnable();
}
if (manager.BreakDeadlockMode)
{
MChessChess.EnterChess();
MChessChess.WakeNextDeadlockedThread(true, false);
// we are now done with the deadlock-breaking mode!
Debug.Assert(!MChessChess.IsBreakingDeadlock());
manager.BreakDeadlockMode = false;
MChessChess.LeaveChess();
}
moreToTest = MChessChess.EndTest();
}
do_shutdown();
}
catch (Exception ex)
{
string message = @"CHESS internal failure.
" + ex.Message + @"
" + ex.StackTrace + @"
";
ReportErrorAndExit(message, ChessExitCode.ChessFailure, false, ex);
}
ReportErrorAndExit("", (ChessExitCode)MChessChess.GetExitCode(), false, null);
}
