| 1 | #include <unistd.h> |
| 2 | #include <stdio.h> |
| 3 | #include <stdlib.h> |
| 4 | #include <sys/types.h> |
| 5 | #include <sys/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 | } |