Han Yan / Mbed OS ms2b

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Show/hide line numbers Intersection.cpp Source File

Intersection.cpp

00001 #include "Intersection.h"
00002 
00003 void Intersection::add_to_q(AccCar* car) {
00004   qmutex.lock();
00005   crossQ.push(car);
00006   qmutex.unlock();
00007 }
00008 
00009 void Intersection::remove_from_q() {
00010   qmutex.lock();
00011   crossQ.pop();
00012   qmutex.unlock();
00013 }
00014 
00015 bool Intersection::can_cross(AccCar* car) {
00016   // FCFS
00017   qmutex.lock();
00018   if(crossQ.front() == car) {
00019     qmutex.unlock();
00020     return true;
00021   }
00022   qmutex.unlock();
00023   return false;
00024 }
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