fork(1) download 
  1. #include<stdio.h>
  2. #include<stdlib.h>
  3. #include<signal.h>
  4. #include<unistd.h>
  5. #include<sys/types.h>
  6.  
  7. void sighup()
  8. {
  9. 	signal(SIGHUP,sighup);
  10. 	printf("Received SIGHUP! Happy Now ??\n");
  11. }
  12.  
  13. void sigbus()
  14. {
  15. 	signal(SIGBUS,sigbus);
  16. 	printf("received SIGBUS! Get a life dude !\n");
  17. }
  18.  
  19. void sigquit()
  20. {
  21. 	printf("I am done with you. Bye!!\n");
  22. 	fflush(stdout);
  23. 	exit(0);
  24. }
  25.  
  26. int main()
  27. {	
  28. 	int pid = fork();
  29.  
  30. 	if (pid < 0)
  31. 	{
  32. 		perror("fork");
  33. 		exit(1);
  34. 	}
  35.  
  36. 	if (pid == 0)
  37. 	{	
  38. 		printf("child\n");
  39.  
  40. 		signal(SIGHUP,sighup);
  41. 		signal(SIGBUS,sigbus);
  42. 		signal(SIGQUIT,sigquit);
  43. 		while(1)
  44. 		{
  45. 			;
  46. 		}
  47. 	}
  48. 	else
  49. 	{
  50. 		printf("parent\n");
  51. 		kill(pid, SIGHUP);
  52. 		kill(pid, SIGBUS);
  53. 		kill(pid, SIGQUIT);
  54.  
  55. 		wait();
  56. 	}
  57. }
  58.  
Runtime error #stdin #stdout 0s 2292KB
comments ()
stdin 
Standard input is empty
stdout 
parent
https://ideone.com/a1DCik
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

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