struct semaphore sema[2];
int i;
printf ("Testing semaphores...");
sema_init (&sema[0], 0, "ping");
sema_init (&sema[1], 0, "pong");
struct semaphore sema[2];
int i;
printf ("Testing semaphores...");
sema_init (&sema[0], 0, "ping");
sema_init (&sema[1], 0, "pong");