1 /* 2 * Accountable object support. 3 * 4 * Copyright (C) 2021 Paul Boddie <paul@boddie.org.uk> 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License as 8 * published by the Free Software Foundation; either version 2 of 9 * the License, or (at your option) any later version. 10 * 11 * This program is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 * GNU General Public License for more details. 15 * 16 * You should have received a copy of the GNU General Public License 17 * along with this program; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, 19 * Boston, MA 02110-1301, USA 20 */ 21 22 #include "accountable.h" 23 24 25 26 Accountable::~Accountable() 27 { 28 } 29 30 /* Attach to the object. */ 31 32 void Accountable::attach() 33 { 34 std::lock_guard<std::mutex> guard(_attached_lock); 35 36 _attached += 1; 37 } 38 39 /* Detach from the object. */ 40 41 unsigned int Accountable::detach() 42 { 43 std::lock_guard<std::mutex> guard(_attached_lock); 44 45 if (_attached) 46 _attached -= 1; 47 48 return _attached; 49 } 50 51 // vim: tabstop=4 expandtab shiftwidth=4