1   /*------------------------------------------------------------------------
    2   | 
    3   |       File: fork02a.c
    4   | 
    5   |       Description: Another simple program creating a child process with fork()
    6   |       and printing the return value from fork(). But if the return is
    7   |       not 0 the process 'sleeps' for 1 second before printing.
    8   |       
    9   |
   10   |       Usage: fork02a
   11   | 
   12   |       Created:  5 Jan 15
   13   |       Author: glancast
   14   |       Modifications:
   15   | 
   16   +-----------------------------------------------------------------------*/
   17   #include <stdio.h>
   18   #include <stdlib.h>
   19   #include <unistd.h> // for fork
   20   
   21   int main(int argc, char* argv[])
   22   {
   23     int pid1;
   24     int pid2;
   25   
   26     pid1 = fork();
   27     pid2 = fork();
   28     printf("pid = %d\n", pid);
   29   
   30     return 0;
   31   }