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  1. #include <stdio.h>
  2. #include <stdlib.h>
  3. #include <sys/types.h>
  4. #include <unistd.h>
  5. void forkexample()
  6. {
  7. 	pid_t p;
  8. 	p = fork();
  9. 	if(p<0)
  10. 	{
  11. 	perror("fork fail");
  12. 	exit(1);
  13. 	}
  14. 	// child process because return value zero
  15. 	else if ( p == 0)
  16. 		printf("Hello from Child!\n");
  17.  
  18. 	// parent process because return value non-zero.
  19. 	else
  20. 		printf("Hello from Parent!\n");
  21. }
  22. int main()
  23. {
  24. 	forkexample();
  25. 	return 0;
  26. }
  27.  
Success #stdin #stdout 0.01s 5308KB
comments (?)
stdin
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Standard input is empty
stdout
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Hello from Parent!
Hello from Child!
https://ideone.com/HXPfXV
language:
C++14 (gcc 8.3)
created:
12 days ago
visibility:
public

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