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75 lines
2.6 KiB
C
75 lines
2.6 KiB
C
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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef BASE_MAC_MAC_LOGGING_H_
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#define BASE_MAC_MAC_LOGGING_H_
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#include "base/logging.h"
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#include "base/macros.h"
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#include "util/build_config.h"
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#if defined(OS_IOS)
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#include <MacTypes.h>
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#else
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#include <libkern/OSTypes.h>
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#endif
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// Use the OSSTATUS_LOG family to log messages related to errors in Mac OS X
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// system routines that report status via an OSStatus or OSErr value. It is
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// similar to the PLOG family which operates on errno, but because there is no
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// global (or thread-local) OSStatus or OSErr value, the specific error must
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// be supplied as an argument to the OSSTATUS_LOG macro. The message logged
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// will contain the symbolic constant name corresponding to the status value,
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// along with the value itself.
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//
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// OSErr is just an older 16-bit form of the newer 32-bit OSStatus. Despite
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// the name, OSSTATUS_LOG can be used equally well for OSStatus and OSErr.
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namespace logging {
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// Returns a UTF8 description from an OS X Status error.
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std::string DescriptionFromOSStatus(OSStatus err);
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class OSStatusLogMessage : public logging::LogMessage {
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public:
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OSStatusLogMessage(const char* file_path,
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int line,
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LogSeverity severity,
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OSStatus status);
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~OSStatusLogMessage();
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private:
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OSStatus status_;
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DISALLOW_COPY_AND_ASSIGN(OSStatusLogMessage);
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};
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} // namespace logging
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#define OSSTATUS_LOG_STREAM(severity, status) \
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COMPACT_GOOGLE_LOG_EX_##severity(OSStatusLogMessage, status).stream()
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#define OSSTATUS_LOG(severity, status) \
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LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), LOG_IS_ON(severity))
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#define OSSTATUS_LOG_IF(severity, condition, status) \
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LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), \
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LOG_IS_ON(severity) && (condition))
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#define OSSTATUS_CHECK(condition, status) \
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LAZY_STREAM(OSSTATUS_LOG_STREAM(FATAL, status), !(condition)) \
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<< "Check failed: " #condition << ". "
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#define OSSTATUS_DLOG(severity, status) \
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LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), DLOG_IS_ON(severity))
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#define OSSTATUS_DLOG_IF(severity, condition, status) \
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LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), \
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DLOG_IS_ON(severity) && (condition))
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#define OSSTATUS_DCHECK(condition, status) \
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LAZY_STREAM(OSSTATUS_LOG_STREAM(FATAL, status), \
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DCHECK_IS_ON() && !(condition)) \
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<< "Check failed: " #condition << ". "
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#endif // BASE_MAC_MAC_LOGGING_H_
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