2021-06-23

最新推荐文章于 2022-04-20 02:00:18 发布

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最新推荐文章于 2022-04-20 02:00:18 发布

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本文链接：https://blog.youkuaiyun.com/Asunayi/article/details/118143593

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#include <stdio.h>
#include <sys/types.h>
#include <sys/msg.h>
#include <sys/ipc.h>
#define MSGKEY 75
struct msgform{
    long mtype;
    char mtext[1030];
}msg;
int msgqid,i;
void CLIENT(){
    int i;
    msgqid=msgget(MSGKEY,0777);
    for (i=10;i>=1;i--){
    msg.mtype=i;
    printf("(client) sent \n");
    msgsnd(msgqid,&msg,1024,0);
    }
    exit(0);
    }
    void SERVER(){
    msgqid=msgget(MSGKEY,0777|IPC_CREAT);
    do{
    msgrcv(msgqid,&msg,1030,0,0);
    printf("(Server) recieved\n");
    } while(msg.mtype!=1);
    msgctl(msgqid,IPC_RMID,0);
    exit(0);
}
void main(){
    while((i=fork())==-1);
    if(!i) SERVER();
    while((i=fork())==-1);
    if(!i) CLIENT();
    wait(0);
    wait(0);
}