标签:while pes end space name == ++ code int
#include <unistd.h>
#include <cstdio>
#include <cstring>
#include <stdlib.h>
#include <iostream>
#include <sys/types.h>
#include <string.h>
#include <string>
using namespace std;
int fd1[2], fd2[2];
void fun1(){
cout << "fun1\n";
char buf[105];
while(1){
memset(buf, 0, sizeof(buf));
if(read(fd1[0], buf, sizeof(buf)) != -1){
int *a = (int *)buf;
cout << "fun1 = " << *a << endl;
int c = *a + 1;
memset(buf, 0, sizeof(buf));
memcpy(buf, &c, sizeof(int));
write(fd2[1], buf, sizeof(int));
if(c >= 100){ cout << "fun1 end\n"; return;}
}
}
}
void fun2(){
cout << "fun2\n";
char buf[105];
while(1){
memset(buf, 0, sizeof(buf));
if(read(fd2[0], buf, sizeof(buf)) != -1){
int *a = (int *)buf;
if(*a > 100){ cout << "fun2 end\n"; return;}
cout << "fun2 = " << *a << endl;
int c = *a + 1;
memset(buf, 0, sizeof(buf));
memcpy(buf, &c, sizeof(int));
write(fd1[1], buf, sizeof(int));
}
}
}
int main(){
pipe(fd1), pipe(fd2);
int a = 0;
write(fd1[1], &a, sizeof(int));
pid_t pid = fork();
if(pid == 0){
fun2();
}else{
fun1();
wait(&pid);
}
return 0;
}
标签:while pes end space name == ++ code int
原文地址:https://www.cnblogs.com/qq136155330/p/12742125.html