操作系统程设计报告---苹果问题--代码.docVIP

#includetime.h //用到了time函数，所以要有这个头文件 #includestdlib.h //用到了srand函数，所以要有这个头文件 #includeiostream.h int Plate_Size=0; //表示盘子中当前有几个水果 int orange=0,apple=0; //表示盘子中orange和apple的个数 bool Father_lag,Mother_lag,Son1_lag,Son2_lag,Daughter1_lag,Daughter2_lag; //六个进程处于等待时，变量值为true void main(){ void Print(); //函数声明 void Father(); void Mother(); void Son1(); void Son2(); void Daughter1(); void Daughter2(); int k; srand((unsigned)time(NULL));//srand()函数产生一个以当前时间开始的随机种子 for(k=0;k10;k++) { cout第k+1次操作:endl; //printf(第%d次操作:\n,k+1); int i=rand()%6; //随进生成6以内的整数，即0-5的6个整数 Plate_Size=apple+orange; int MonFa_c,Daughter_b,Son_a; //for语句的局部变量，控制进程等待的优先次序,MonFa_c=2,Mather()执行，MonFa_c=1，Father()执行 switch(i)Daughteri()调用 { case 0: coutFather调用.endl; if(Plate_Size==2) { Father_lag=true; //Father()等待 Print(); if(Mother_lag==false) MonFa_c=1; } else { Father(); if((Daughter1_lag==true)(Daughter2_lag==true)) { if(Daughter_b==1) { Daughter1_lag=false;//Daughter1等待取消 Daughter1(); //处于等待的Daughter1自动调用 Daughter_b=2; //优先级让给Daughter2 } else { Daughter2_lag=false;//Daughter2等待取消 Daughter2(); //处于等待的Daughter2()自动调用 Daughter_b=1; //优先级让给Daughter1 } } else { if(Daughter1_lag==true) { Daughter1_lag=false;//Daughter1等待取消 Daughter1(); //处于等待的Daughter1()自动调用 Daughter_b=0; //没有等待的Dauther进程 } else if(Daughter2_lag==true) { Daughter2_lag=false;//Daughter2等待取消 Daughter2(); //处于等待的Daughter2()自动调用 Daughter_b=0; } } } break; case 1: coutMother调用.endl; if(Plate_Size==2) { Mother_lag=true; //Mother()等待