#include <iostream>
#include <unistd.h>
#include <fstream>

using namespace std;

void PrintInfo(string me) {
    cout << "+++++++++++++++++++++++++" << endl;
    cout << "I am " << me << endl;
    cout << "\tMy PID is " << getpid() << endl;
    cout << "\tMy PPID is " << getppid() << endl;
    cout << "+++++++++++++++++++++++++" << endl;
    cout << endl;

    return;
}


int main() {
    pid_t forked,
          me;

    ofstream outFile; 

    int fd;

   
    outFile.open("ForkFile", std::ofstream::app);
    if (!outFile) {
        cerr<< "Opening ForkFile failed" << endl;
    }

    outFile << "Before Fork: " << getpid() << endl;

    PrintInfo("Prefork");

    forked = fork();
    cout << "Fork returned " << forked << endl;
    cout << endl;

    if (0 == forked) {
       PrintInfo("Return of fork 0, child");
       outFile << "After Fork rv = 0: " << getpid() << endl;
    } else {
       sleep(1);
       outFile << "After Fork rv != 0: " << getpid() << endl;
       cout << "In if, fork returned " << forked << endl;
       PrintInfo("Return of fork not 0, parent");
    }

    cout << getpid() << " exiting " << endl;
    cout << endl;

    return 0;
}