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  1. #include <stdio.h>
  2. #include <unistd.h>
  3. #include <sys/types.h>
  4. #include <sys/wait.h>
  5. #include <stdlib.h>
  6.  
  7. int main()
  8. {
  9.     pid_t pid = fork();
  10.  
  11.     if (pid < 0)
  12.     {
  13.         perror("fork failed");
  14.         exit(1);
  15.     }
  16.     else if (pid == 0)
  17.     {
  18.         printf("Child process : PID = %d\n", getpid());
  19.         printf("Child process exiting...\n");
  20.         exit(8); 
  21.     }
  22.     else
  23.     {
  24.         int status;
  25.         wait(&status);
  26.  
  27.         printf("Parent process : PID = %d\n", getpid());
  28.         printf("Child exited with status = %d\n", WEXITSTATUS(status));
  29.     }
  30.  
  31.     return 0;
  32. }
  33.  
Success #stdin #stdout 0.01s 5276KB
comments (?)
stdin
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Standard input is empty
stdout
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Child process : PID = 1657284
Child process exiting...
Parent process : PID = 1657281
Child exited with status = 8
https://ideone.com/NSc75R
language:
C++ (gcc 8.3)
created:
4 hours ago
visibility:
public

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