Commit | Line | Data |
---|---|---|
5dd7feaa JB |
1 | //exemple1.c |
2 | ||
3 | #define _REENTRANT | |
4 | #include <pthread.h> | |
5 | #include <unistd.h> | |
6 | #include <stdlib.h> | |
7 | #include <stdio.h> | |
8 | ||
151a0f56 | 9 | static void afficher(int n, char lettre) |
5dd7feaa JB |
10 | { |
11 | int j; | |
12 | for (j = 1; j < n; j++) { | |
13 | printf("%c", lettre); | |
14 | fflush(stdout); | |
15 | } | |
16 | } | |
17 | ||
151a0f56 | 18 | static void *threadA(void *inutilise) |
5dd7feaa JB |
19 | { |
20 | afficher(100, 'A'); | |
21 | printf("\n Fin du thread A\n"); | |
22 | fflush(stdout); | |
23 | pthread_exit(NULL); | |
24 | } | |
25 | ||
151a0f56 | 26 | static void *threadC(void *inutilise) |
5dd7feaa JB |
27 | { |
28 | afficher(150, 'C'); | |
29 | printf("\n Fin du thread C\n"); | |
30 | fflush(stdout); | |
31 | pthread_exit(NULL); | |
32 | } | |
33 | ||
151a0f56 | 34 | static void *threadB(void *inutilise) |
5dd7feaa JB |
35 | { |
36 | pthread_t thC; | |
37 | pthread_create(&thC, NULL, threadC, NULL); | |
38 | afficher(100, 'B'); | |
39 | printf("\n Le thread B attend la fin du thread C\n"); | |
40 | pthread_join(thC, NULL); | |
41 | printf("\n Fin du thread B\n"); | |
42 | fflush(stdout); | |
43 | pthread_exit(NULL); | |
44 | } | |
45 | ||
46 | int main() | |
47 | { | |
48 | pthread_t thA, thB; | |
49 | printf("Création du Thread A\n"); | |
50 | pthread_create(&thA, NULL, threadA, NULL); | |
51 | pthread_create(&thB, NULL, threadB, NULL); | |
52 | sleep(1); // simule un traitement | |
53 | printf("Le processus principal attend que les autres se terminent\n"); | |
54 | // attendre la fin des threads | |
55 | pthread_join(thA, NULL); | |
56 | pthread_join(thB, NULL); | |
57 | exit(0); | |
58 | } |