void
runtime·lock(Lock *l)
{
if(m->locks++ < 0)
runtime·throw("runtime·lock: lock count");
futexlock(l);
}
void
lock(Lock *l)
{
if(m->locks < 0)
throw("lock count");
m->locks++;
futexlock(l);
}
void
runtime·lock(Lock *l)
{
if(m->locks < 0)
runtime·throw("lock count");
m->locks++;
futexlock(l);
}
void
notesleep(Note *n)
{
futexlock(&n->lock);
futexunlock(&n->lock); // Let other sleepers find out too.
}
void
noteclear(Note *n)
{
n->lock.key = 0; // memset(n, 0, sizeof *n)
futexlock(&n->lock);
}