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