fork download 
  1. #include <iostream>
  2. #include <unistd.h>   // For fork()
  3. #include <stdlib.h>   // For abort()
  4. #include <sys/types.h>
  5.  
  6. using namespace std;
  7.  
  8. int main() {
  9.     pid_t pid = fork();  // Create a new process
  10.  
  11.     if (pid < 0) {
  12.         cout << "Fork failed!" << endl;
  13.         return 1;
  14.     }
  15.     else if (pid == 0) {
  16.         // This is the child process
  17.         cout << "Child Process: PID = " << getpid() << endl;
  18.         cout << "Something went wrong in child process! Aborting..." << endl;
  19.         cout.flush();  // Ensure output is flushed
  20.         abort();       // Abnormal termination
  21.     }
  22.     else {
  23.         // This is the parent process
  24.         cout << "Parent Process: PID = " << getpid() << ", Child PID = " << pid << endl;
  25.     }
  26.  
  27.     return 0;
  28. }
  29.  
Success #stdin #stdout 0.01s 5284KB
comments (?)
stdin 
Standard input is empty
stdout 
Parent Process: PID = 3949679, Child PID = 3949682
Child Process: PID = 3949682
Something went wrong in child process! Aborting...
https://ideone.com/bO9OyK
language:
C++ (gcc 8.3)
created:
3 days ago
visibility:
public

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