consumer.h.svn-base

德国Erlangen大学教学操作系统源码。

#ifndef __Consumer_include__
#define __Consumer_include__

#include "syscall/guarded_semaphore.h"

#include "user/appl.h"

extern Guarded_Semaphore sem;

class Consumer : public Application
{
public:
	Consumer(void* tos, int row) : Application(tos, row) {}
	
	virtual ~Consumer() {}
	
	void action ()
	{
		int i = 1;
		while(true) {
			sem.wait();
			do {
				Secure lock;
				int type_x, type_y;
				kout.getpos(type_x, type_y);
				kout.setpos(0, _row);
				kout << _row << " customer waited: " << i++ << endl;
				kout.flush();
				kout.setpos(type_x, type_y);
			} while(0);
		}
	}
};

#endif