void sort(int *x, int n, int argc, char *argv[]) {
struct args args;
if (argc >= 3)
cutoff = atoi(argv[2]);
args.a = x;
args.lb = 0;
args.ub = n - 1;
quick(&args);
Thread_join(NULL);
}
int main(int argc, char *argv[]){
int m = 5;
int preempt;
preempt = Thread_init(1, NULL);
assert(preempt == 1);
if (argc >= 2){
m = atoi(argv[1]);
}
n = 0;
// increment n unsafely
{
int i;
for (i = 0; i < m; i++){
Thread_new(unsafe, &n, 0, NULL); // 创建m个线程
}
Thread_join(NULL);
}
Fmt_print("%d == %d\n", n, NBUMP * m);
n = 0;
// increment n safely
{
int i;
struct args args;
Sem_T mutex;
Sem_init(&mutex, 1);
args.mutex = &mutex;
args.ip = &n;
for (i = 0; i < m; i++){
Thread_new(safe, &args, sizeof(args), NULL);
}
Thread_join(NULL);
}
Fmt_print("%d == %d\n", n, NBUMP * m);
Thread_exit(EXIT_SUCCESS);
return EXIT_SUCCESS;
}
int main(int argc, char *argv[]) {
int i, j;
int m = argc > 1 ? atoi(argv[1]) : 4;
int n = argc > 2 ? atoi(argv[2]) : 3;
Thread_init();
Sem_init(&mutex, 1);
for (j = 0; j < n; j++) {
struct args args;
args.mutex = &mutex;
args.ip = &y;
for (i = 0; i < m; i++)
Thread_new((int (*)(void *))incr, &args, sizeof args, NULL);
Thread_join(0);
if (y != m*10000)
printf("%d:%d\n", j, y);
y = 0;
}
Thread_exit(0);
return 0;
}
void Thread::join()
{
if (!m_alive)
return;
Thread_join(m_handle);
}