2 * This file is part of the PulseView project.
4 * Copyright (C) 2012 Joel Holdsworth <joel@airwebreathe.org.uk>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
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.
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 St, Fifth Floor, Boston, MA 02110-1301 USA
21 #include "datasnapshot.h"
27 using namespace boost;
31 DataSnapshot::DataSnapshot(int unit_size) :
36 lock_guard<recursive_mutex> lock(_mutex);
37 assert(_unit_size > 0);
40 DataSnapshot::~DataSnapshot()
42 lock_guard<recursive_mutex> lock(_mutex);
46 uint64_t DataSnapshot::get_sample_count()
48 lock_guard<recursive_mutex> lock(_mutex);
52 void DataSnapshot::append_data(void *data, uint64_t samples)
54 lock_guard<recursive_mutex> lock(_mutex);
55 _data = realloc(_data, (_sample_count + samples) * _unit_size);
56 memcpy((uint8_t*)_data + _sample_count * _unit_size,
57 data, samples * _unit_size);
58 _sample_count += samples;