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168 lines
6.1 KiB
C++
168 lines
6.1 KiB
C++
// Copyright 2014 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_MACH_LOGGING_H_
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#define BASE_MAC_MACH_LOGGING_H_
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#include <mach/mach.h>
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#include "base/base_export.h"
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#include "base/logging.h"
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#include "base/macros.h"
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#include "build/build_config.h"
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// Use the MACH_LOG family of macros along with a mach_error_t (kern_return_t)
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// containing a Mach error. The error value will be decoded so that logged
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// messages explain the error.
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//
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// Use the BOOTSTRAP_LOG family of macros specifically for errors that occur
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// while interoperating with the bootstrap subsystem. These errors will first
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// be looked up as bootstrap error messages. If no match is found, they will
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// be treated as generic Mach errors, as in MACH_LOG.
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//
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// Examples:
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//
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// kern_return_t kr = mach_timebase_info(&info);
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// if (kr != KERN_SUCCESS) {
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// MACH_LOG(ERROR, kr) << "mach_timebase_info";
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// }
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//
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// kr = vm_deallocate(task, address, size);
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// MACH_DCHECK(kr == KERN_SUCCESS, kr) << "vm_deallocate";
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namespace logging {
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class BASE_EXPORT MachLogMessage : public logging::LogMessage {
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public:
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MachLogMessage(const char* file_path,
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int line,
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LogSeverity severity,
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mach_error_t mach_err);
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~MachLogMessage();
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private:
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mach_error_t mach_err_;
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DISALLOW_COPY_AND_ASSIGN(MachLogMessage);
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};
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} // namespace logging
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#if defined(NDEBUG)
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#define MACH_DVLOG_IS_ON(verbose_level) 0
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#else
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#define MACH_DVLOG_IS_ON(verbose_level) VLOG_IS_ON(verbose_level)
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#endif
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#define MACH_LOG_STREAM(severity, mach_err) \
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COMPACT_GOOGLE_LOG_EX_ ## severity(MachLogMessage, mach_err).stream()
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#define MACH_VLOG_STREAM(verbose_level, mach_err) \
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logging::MachLogMessage(__FILE__, __LINE__, \
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-verbose_level, mach_err).stream()
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#define MACH_LOG(severity, mach_err) \
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LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), LOG_IS_ON(severity))
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#define MACH_LOG_IF(severity, condition, mach_err) \
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LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), \
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LOG_IS_ON(severity) && (condition))
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#define MACH_VLOG(verbose_level, mach_err) \
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LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \
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VLOG_IS_ON(verbose_level))
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#define MACH_VLOG_IF(verbose_level, condition, mach_err) \
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LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \
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VLOG_IS_ON(verbose_level) && (condition))
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#define MACH_CHECK(condition, mach_err) \
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LAZY_STREAM(MACH_LOG_STREAM(FATAL, mach_err), !(condition)) \
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<< "Check failed: " # condition << ". "
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#define MACH_DLOG(severity, mach_err) \
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LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), DLOG_IS_ON(severity))
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#define MACH_DLOG_IF(severity, condition, mach_err) \
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LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), \
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DLOG_IS_ON(severity) && (condition))
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#define MACH_DVLOG(verbose_level, mach_err) \
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LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \
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MACH_DVLOG_IS_ON(verbose_level))
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#define MACH_DVLOG_IF(verbose_level, condition, mach_err) \
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LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \
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MACH_DVLOG_IS_ON(verbose_level) && (condition))
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#define MACH_DCHECK(condition, mach_err) \
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LAZY_STREAM(MACH_LOG_STREAM(FATAL, mach_err), \
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DCHECK_IS_ON() && !(condition)) \
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<< "Check failed: " #condition << ". "
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#if !defined(OS_IOS)
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namespace logging {
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class BASE_EXPORT BootstrapLogMessage : public logging::LogMessage {
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public:
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BootstrapLogMessage(const char* file_path,
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int line,
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LogSeverity severity,
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kern_return_t bootstrap_err);
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~BootstrapLogMessage();
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private:
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kern_return_t bootstrap_err_;
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DISALLOW_COPY_AND_ASSIGN(BootstrapLogMessage);
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};
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} // namespace logging
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#define BOOTSTRAP_DVLOG_IS_ON MACH_DVLOG_IS_ON
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#define BOOTSTRAP_LOG_STREAM(severity, bootstrap_err) \
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COMPACT_GOOGLE_LOG_EX_ ## severity(BootstrapLogMessage, \
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bootstrap_err).stream()
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#define BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err) \
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logging::BootstrapLogMessage(__FILE__, __LINE__, \
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-verbose_level, bootstrap_err).stream()
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#define BOOTSTRAP_LOG(severity, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, \
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bootstrap_err), LOG_IS_ON(severity))
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#define BOOTSTRAP_LOG_IF(severity, condition, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, bootstrap_err), \
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LOG_IS_ON(severity) && (condition))
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#define BOOTSTRAP_VLOG(verbose_level, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \
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VLOG_IS_ON(verbose_level))
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#define BOOTSTRAP_VLOG_IF(verbose_level, condition, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \
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VLOG_IS_ON(verbose_level) && (condition))
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#define BOOTSTRAP_CHECK(condition, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_LOG_STREAM(FATAL, bootstrap_err), !(condition)) \
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<< "Check failed: " # condition << ". "
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#define BOOTSTRAP_DLOG(severity, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, bootstrap_err), \
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DLOG_IS_ON(severity))
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#define BOOTSTRAP_DLOG_IF(severity, condition, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, bootstrap_err), \
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DLOG_IS_ON(severity) && (condition))
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#define BOOTSTRAP_DVLOG(verbose_level, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \
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BOOTSTRAP_DVLOG_IS_ON(verbose_level))
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#define BOOTSTRAP_DVLOG_IF(verbose_level, condition, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \
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BOOTSTRAP_DVLOG_IS_ON(verbose_level) && (condition))
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#define BOOTSTRAP_DCHECK(condition, bootstrap_err) \
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LAZY_STREAM(BOOTSTRAP_LOG_STREAM(FATAL, bootstrap_err), \
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DCHECK_IS_ON() && !(condition)) \
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<< "Check failed: " #condition << ". "
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#endif // !OS_IOS
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#endif // BASE_MAC_MACH_LOGGING_H_
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