fork(3) download 
  1. #include <stdio.h>
  2. #include <unistd.h>
  3. #include <stdlib.h>
  4. #include <sys/wait.h>
  5. //----------------------------------------------------------
  6. int
  7. main (void)
  8. {
  9.     pid_t  pid_child;
  10.     pid_t  pid_dead;
  11.     int    status;
  12.     //
  13.     pid_child = fork ();
  14.     if (pid_child == 0)
  15.       {
  16.         sleep (1);
  17.         printf ("ciao!\n");
  18.         exit (7);
  19.       }
  20.     printf ("Ho avviato il processo %i.\n", pid_child);
  21.     //
  22.     pid_dead = wait (&status);
  23.     //
  24.     printf ("Il processo %i si รจ concluso restituendo "
  25.             "il valore %x.\n",
  26.             pid_dead, WEXITSTATUS (status));
  27.     //
  28.     return (0);
  29. }
Success #stdin #stdout 0.01s 1720KB
comments (?)
stdin 
Standard input is empty
stdout 
ciao!
Ho avviato il processo 15365.
Il processo 15365 si è concluso restituendo il valore 7.
https://ideone.com/vD2hs
language:
C (gcc 8.3)
created:
12 years ago
visibility:
public

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