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  1. #include<stdio.h>
  2. #include<sys/types.h>
  3. #include<sys/wait.h>
  4. #include<unistd.h>
  5. #include<stdlib.h>
  6.  
  7. int main()
  8. {
  9.   int child=fork();
  10.   int exitStatus;//0 if success
  11.   int childPid;
  12.   if(child==0)
  13.   {
  14.     printf("child: iam running\n");
  15.     printf("child: i have PD :%d\n",getpid());//return the process id
  16.     sleep(4);
  17.     exit(100);
  18.   }//code for child process
  19.   else
  20.   {
  21.     printf("Parent : iam running and waiting for child to finish\n");
  22.     childPid=wait(&exitStatus);
  23.     printf("parent : Child finished execution,it had the PID:%d,Exit Status%d\n",childPid,WEXITSTATUS(exitStatus));
  24.    }
  25.    return 0;
  26.   }
Success #stdin #stdout 0s 5284KB
comments (?)
stdin
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Standard input is empty
stdout
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child: iam running
child: i have PD :384827
Parent : iam running and waiting for child to finish
parent : Child finished execution,it had the PID:384827,Exit Status100
https://ideone.com/JYVIHB
language:
C (gcc 8.3)
created:
30 days ago
visibility:
public

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