1/*
2 * Copyright (C) 2016 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include "config.h"
27#include <wtf/LockedPrintStream.h>
28
29namespace WTF {
30
31LockedPrintStream::LockedPrintStream(std::unique_ptr<PrintStream> target)
32 : m_target(WTFMove(target))
33{
34}
35
36LockedPrintStream::~LockedPrintStream()
37{
38}
39
40void LockedPrintStream::vprintf(const char* format, va_list args)
41{
42 auto locker = holdLock(m_lock);
43 m_target->vprintf(format, args);
44}
45
46void LockedPrintStream::flush()
47{
48 auto locker = holdLock(m_lock);
49 m_target->flush();
50}
51
52PrintStream& LockedPrintStream::begin()
53{
54 m_lock.lock();
55 return *m_target;
56}
57
58void LockedPrintStream::end()
59{
60 m_lock.unlock();
61}
62
63} // namespace WTF
64
65