blob: c87eef79c70b514f8dce7e955fa2e6dd968bd526 [file] [log] [blame]
/*
* Copyright (C) 2020 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#if OS(DARWIN)
#include <wtf/Lock.h>
#include <wtf/PrintStream.h>
#include <wtf/RecursiveLockAdapter.h>
#include <wtf/text/CString.h>
#include <wtf/Vector.h>
#include <os/log.h>
namespace WTF {
class WTF_EXPORT_PRIVATE OSLogPrintStream final : public PrintStream {
public:
OSLogPrintStream(os_log_t, os_log_type_t);
virtual ~OSLogPrintStream();
static std::unique_ptr<OSLogPrintStream> open(const char* subsystem, const char* category, os_log_type_t = OS_LOG_TYPE_DEFAULT);
void vprintf(const char* format, va_list) override WTF_ATTRIBUTE_PRINTF(2, 0);
private:
os_log_t m_log;
os_log_type_t m_logType;
Lock m_stringLock;
// We need a buffer because os_log doesn't wait for a new line to print the characters.
CString m_string;
size_t m_offset { 0 };
};
} // namespace WTF
using WTF::OSLogPrintStream;
#endif