if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
for (Node q = p; q != h; ) { if (head == h && casHead(h, n == null ? q : n)) { h.forgetNext(); break;
for (Node q = p; q != h; ) { if (head == h && casHead(h, n == null ? q : n)) { h.forgetNext(); break;
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))
if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
if (casHead(null, s)) return s; // initialize } else if (p.cannotPrecede(haveData))
for (Node q = p; q != h; ) { if (head == h && casHead(h, n == null ? q : n)) { h.forgetNext(); break;
for (Node q = p; q != h; ) { if (head == h && casHead(h, n == null ? q : n)) { h.forgetNext(); break;
for (Node q = p; q != h; ) { if (head == h && casHead(h, n == null ? q : n)) { h.forgetNext(); break;
for (Node q = p; q != h; ) { if (head == h && casHead(h, n == null ? q : n)) { h.forgetNext(); break;
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))
if (hn == null) return; // now empty if (hn != h && casHead(h, hn))