TD3/exo2/exo2.c

   1 #include <unistd.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <sys/types.h>
   5 #include <wait.h>
   6
   7 int main()
   8 {
   9         pid_t pid;
  10
  11         if ((pid = fork()) == -1) {
  12                 perror("erreur");
  13                 exit(EXIT_FAILURE);
  14         } else if (pid == 0) {
  15                 for (int i = 1; i <= 50; i++) {
  16                         printf("%d\n", i);
  17                 }
  18                 return 0;
  19         }
  20
  21         // Assure la fin du premier fils avant l'execution du deuxième
  22         wait(NULL);
  23
  24         if ((pid = fork()) == -1) {
  25                 perror("erreur");
  26                 exit(EXIT_FAILURE);
  27         } else if (pid == 0) {
  28                 for (int i = 50; i <= 100; i++) {
  29                         printf("%d\n", i);
  30                 }
  31                 return 0;
  32         }
  33
  34         exit(EXIT_SUCCESS);
  35 }