//===---------------------SharingPtr.cpp ------------------------*- C++ -*-===// // // The LLVM Compiler Infrastructure // // This file is distributed under the University of Illinois Open Source // License. See LICENSE.TXT for details. // //===----------------------------------------------------------------------===// #include "lldb/Utility/SharingPtr.h" namespace lldb_private { namespace imp { template <class T> inline T increment(T& t) { return __sync_add_and_fetch(&t, 1); } template <class T> inline T decrement(T& t) { return __sync_add_and_fetch(&t, -1); } shared_count::~shared_count() { } void shared_count::add_shared() { increment(shared_owners_); } void shared_count::release_shared() { if (decrement(shared_owners_) == -1) { on_zero_shared(); delete this; } } } // imp } // namespace lldb