1 #include <pthread.h>
2 #include <stdio.h>
3 #include <stdlib.h>
4 #include <unistd.h>
5
6 long my_global_variable; // global variable
7
f1(void * p)8 void *f1(void *p) {
9 my_global_variable = 42;
10 return NULL;
11 }
12
f2(void * p)13 void *f2(void *p) {
14 my_global_variable = 43;
15 return NULL;
16 }
17
main(int argc,char const * argv[])18 int main (int argc, char const *argv[])
19 {
20 pthread_t t1;
21 pthread_create(&t1, NULL, f1, NULL);
22
23 pthread_t t2;
24 pthread_create(&t2, NULL, f2, NULL);
25
26 pthread_join(t1, NULL);
27 pthread_join(t2, NULL);
28
29 return 0;
30 }
31