fork download
copy 
  1. #include <stdio.h>
  2. #include <unistd.h>
  3. #include <stdlib.h>
  4. #include <sys/wait.h>
  5. #include <signal.h>
  6.  
  7. void gestore(int sig){
  8. 	return;
  9. }
  10.  
  11. int main(int argc, char *argv[]){
  12. 	int i,status,pid;
  13. 	int flag[10];
  14. 	for(i=1;i<argc;i++){
  15. 		pid = fork();
  16. 		flag[i]=atoi(argv[i]);
  17.  
  18. 		if(pid<0){
  19. 			perror("La fork è errata!\n");
  20. 			exit(0);
  21. 		}
  22. 		if(pid==0){
  23. 			signal(SIGINT,gestore);
  24. 			pause();
  25. 			if(flag[i]==1){
  26. 				printf("Processo attivato %d",getpid());
  27. 			}
  28. 			if(flag[i]==0){
  29. 				printf("Processo terminato %d",getpid());
  30. 			}
  31. 			exit(0);
  32. 		}
  33. 		else{
  34. 			printf("Creato processo figlio: %d",pid);
  35. 			signal(SIGINT,SIG_IGN);
  36. 			pid = wait(&status);
  37. 		}
  38. 	}
  39. }
Success #stdin #stdout 0s 4684KB
comments (?)
stdin
copy 
./attivazione 1 0 1
stdout
copy 
Standard output is empty
https://ideone.com/puhPmS
language:
C (gcc 8.3)
created:
3 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!