set_ostream.inl.h

// SPDX-FileCopyrightText: 2002-2004, 2018-2020, 2026 Carlo Wood
// SPDX-License-Identifier: MIT
 
#pragma once
 
#ifndef LIBCWD_SET_OSTREAM_INL
#define LIBCWD_SET_OSTREAM_INL
 
#include "private/LockInterface.h"
 
namespace libcwd {

template <class T>
void DebugObject::set_ostream(std::ostream* os, T* mutex)
{
  _private_::LockInterfaceBase* new_mutex = new _private_::LockInterface<T>(mutex);
  _private_::LockInterfaceBase* old_mutex;
  old_mutex = ostream_state_.replace_with(os, new_mutex);
  // Delete old_mutex after unlocking in order to avoid a dead lock in case the delete causes debug output.
  if (old_mutex)
    delete old_mutex;
}
 
} // namespace libcwd
 
#endif // LIBCWD_SET_OSTREAM_INL