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Adds a safeguard against undefined behaviour in the debugger.

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Thomas Harte 2021-02-16 19:17:54 -05:00
parent b117df3367
commit 96f2d802d9
1 changed files with 1 additions and 1 deletions
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OSBindings/Mac/Clock Signal/Machine/CSMachine.mm
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@ -723,7 +723,7 @@ struct ActivityObserver: public Activity::Observer {
// _syncTime = 0 is used here as a sentinel to mark that a sync time is known;
// this with the >= test ensures that no syncs are missed even if some sort of
// performance problem is afoot (e.g. I'm debugging).
if(self->_syncTime && timeNow >= self->_syncTime) {
if(self->_syncTime && timeNow >= self->_syncTime && self->_syncTime >= lastTime) {
splitAndSync = self->_isSyncLocking = self->_scanSynchroniser.can_synchronise(self->_machine->scan_producer()->get_scan_status(), self->_refreshPeriod);
// If the time window is being split, run up to the split, then check out machine speed, possibly