msgrcv.cc

来自「达内IT培训Unix C++第三天源码 是入门Unix 下C++编程的好东西」· CC 代码 · 共 32 行

#include <iostream>
using namespace std;
#include <sys/types.h>
#include <sys/ipc.h>
#include <sys/msg.h>

int main()
{
	int key;
	cout << "input key:";
	cin >> hex >> key;
	int qid = msgget(key, IPC_CREAT|0600);
	if(qid<0){
		cout << "error msgget!" << endl;
		return -1;
	}
	struct Msg{
		long ch;
		char name[20];
		bool gender;
	};
	cout << "qid=" << qid << endl;
	cout << "select channel:";
	Msg m;
	cin >> m.ch;
	msgrcv(qid, &m, sizeof(m), m.ch, 0);
	cout << "channel:" << m.ch << endl;
	cout << "name:" << m.name << endl;
	cout << "gender:" << m.gender << endl;
}