static void thread_start(void *param) {
StartCall *call = (StartCall *)param;
// Copy over the values so we can free `call` before making the call.
// Otherwise, if the thread exits without returning, we have a leak.
void *(*start_fn)(void *) = call->start_fn;
void *arg = call->arg;
free(call);
start_fn(arg);
}
static
fn_decl(stream, name, decl, block, frame_sz) {
auto ret = new_label();
start_fn(decl);
prolog(stream, name, frame_sz);
do_block(stream, block, -1, -1, ret);
emit_label( stream, ret );
epilog(stream, frame_sz);
end_fn();
}
