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  1. #include <stdio.h>
  2. #include <unistd.h>
  3. #include <stdlib.h>
  4. int main()
  5. {
  6. 	int x = 1;
  7. 	//create new process
  8. 	int returnValue = fork();
  9. 	//Error handling
  10. 	if(returnValue < 0){ 
  11. 		perror("fork() error");
  12. 		exit(-1); //terminate calling process
  13. 	}
  14. 	//Child Class
  15. 	if (returnValue == 0) { 
  16. 		printf("I am Child \n"); 
  17. 	}
  18. 	//Parent Class
  19. 	else{
  20. 		printf("I am Parent \n"); 
  21. 		wait(NULL); //Wait for child process 
  22. 		printf("The PID of child process is %d \n", returnValue);
  23. 	}
  24. 	return 0;
  25. }
Success #stdin #stdout 0s 4204KB
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stdin
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Standard input is empty
stdout
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I am Child 
I am Parent 
The PID of child process is 11182
https://ideone.com/i7ahWV
language:
C (gcc 8.3)
created:
4 years ago
visibility:
public

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