5573fde342
Added a virtual destructor to ClangUtilityFunction with a body to it cleans
itself up.
Moved our SharingPtr into the lldb_private namespace to keep it easy to make
an exports file that exports only what is needed ("lldb::*").
llvm-svn: 114771
54 lines
876 B
C++
54 lines
876 B
C++
//===---------------------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
|