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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef BASE_MAC_MACH_LOGGING_H_ | |
| 6 #define BASE_MAC_MACH_LOGGING_H_ | |
| 7 | |
| 8 #include <mach/mach.h> | |
| 9 | |
| 10 #include "base/base_export.h" | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/logging.h" | |
| 13 #include "build/build_config.h" | |
| 14 | |
| 15 // Use the MACH_LOG family of macros along with a mach_error_t (kern_return_t) | |
| 16 // containing a Mach error. The error value will be decoded so that logged | |
| 17 // messages explain the error. | |
| 18 // | |
| 19 // Use the BOOTSTRAP_LOG family of macros specifically for errors that occur | |
| 20 // while interoperating with the bootstrap subsystem. These errors will first | |
| 21 // be looked up as bootstrap error messages. If no match is found, they will | |
| 22 // be treated as generic Mach errors, as in MACH_LOG. | |
| 23 // | |
| 24 // Examples: | |
| 25 // | |
| 26 // kern_return_t kr = mach_timebase_info(&info); | |
| 27 // if (kr != KERN_SUCCESS) { | |
| 28 // MACH_LOG(ERROR, kr) << "mach_timebase_info"; | |
| 29 // } | |
| 30 // | |
| 31 // kr = vm_deallocate(task, address, size); | |
| 32 // MACH_DCHECK(kr == KERN_SUCCESS, kr) << "vm_deallocate"; | |
| 33 | |
| 34 namespace logging { | |
| 35 | |
| 36 class BASE_EXPORT MachLogMessage : public logging::LogMessage { | |
| 37 public: | |
| 38 MachLogMessage(const char* file_path, | |
| 39 int line, | |
| 40 LogSeverity severity, | |
| 41 mach_error_t mach_err); | |
| 42 ~MachLogMessage(); | |
| 43 | |
| 44 private: | |
| 45 mach_error_t mach_err_; | |
| 46 | |
| 47 DISALLOW_COPY_AND_ASSIGN(MachLogMessage); | |
| 48 }; | |
| 49 | |
| 50 } // namespace logging | |
| 51 | |
| 52 #if defined(NDEBUG) | |
| 53 #define MACH_DVLOG_IS_ON(verbose_level) 0 | |
| 54 #else | |
| 55 #define MACH_DVLOG_IS_ON(verbose_level) VLOG_IS_ON(verbose_level) | |
| 56 #endif | |
| 57 | |
| 58 #define MACH_LOG_STREAM(severity, mach_err) \ | |
| 59 COMPACT_GOOGLE_LOG_EX_ ## severity(MachLogMessage, mach_err).stream() | |
| 60 #define MACH_VLOG_STREAM(verbose_level, mach_err) \ | |
| 61 logging::MachLogMessage(__FILE__, __LINE__, \ | |
| 62 -verbose_level, mach_err).stream() | |
| 63 | |
| 64 #define MACH_LOG(severity, mach_err) \ | |
| 65 LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), LOG_IS_ON(severity)) | |
| 66 #define MACH_LOG_IF(severity, condition, mach_err) \ | |
| 67 LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), \ | |
| 68 LOG_IS_ON(severity) && (condition)) | |
| 69 | |
| 70 #define MACH_VLOG(verbose_level, mach_err) \ | |
| 71 LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \ | |
| 72 VLOG_IS_ON(verbose_level)) | |
| 73 #define MACH_VLOG_IF(verbose_level, condition, mach_err) \ | |
| 74 LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \ | |
| 75 VLOG_IS_ON(verbose_level) && (condition)) | |
| 76 | |
| 77 #define MACH_CHECK(condition, mach_err) \ | |
| 78 LAZY_STREAM(MACH_LOG_STREAM(FATAL, mach_err), !(condition)) \ | |
| 79 << "Check failed: " # condition << ". " | |
| 80 | |
| 81 #define MACH_DLOG(severity, mach_err) \ | |
| 82 LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), DLOG_IS_ON(severity)) | |
| 83 #define MACH_DLOG_IF(severity, condition, mach_err) \ | |
| 84 LAZY_STREAM(MACH_LOG_STREAM(severity, mach_err), \ | |
| 85 DLOG_IS_ON(severity) && (condition)) | |
| 86 | |
| 87 #define MACH_DVLOG(verbose_level, mach_err) \ | |
| 88 LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \ | |
| 89 MACH_DVLOG_IS_ON(verbose_level)) | |
| 90 #define MACH_DVLOG_IF(verbose_level, condition, mach_err) \ | |
| 91 LAZY_STREAM(MACH_VLOG_STREAM(verbose_level, mach_err), \ | |
| 92 MACH_DVLOG_IS_ON(verbose_level) && (condition)) | |
| 93 | |
| 94 #define MACH_DCHECK(condition, mach_err) \ | |
| 95 LAZY_STREAM(MACH_LOG_STREAM(FATAL, mach_err), \ | |
| 96 DCHECK_IS_ON() && !(condition)) \ | |
| 97 << "Check failed: " #condition << ". " | |
| 98 | |
| 99 #if !defined(OS_IOS) | |
| 100 | |
| 101 namespace logging { | |
| 102 | |
| 103 class BASE_EXPORT BootstrapLogMessage : public logging::LogMessage { | |
| 104 public: | |
| 105 BootstrapLogMessage(const char* file_path, | |
| 106 int line, | |
| 107 LogSeverity severity, | |
| 108 kern_return_t bootstrap_err); | |
| 109 ~BootstrapLogMessage(); | |
| 110 | |
| 111 private: | |
| 112 kern_return_t bootstrap_err_; | |
| 113 | |
| 114 DISALLOW_COPY_AND_ASSIGN(BootstrapLogMessage); | |
| 115 }; | |
| 116 | |
| 117 } // namespace logging | |
| 118 | |
| 119 #define BOOTSTRAP_DVLOG_IS_ON MACH_DVLOG_IS_ON | |
| 120 | |
| 121 #define BOOTSTRAP_LOG_STREAM(severity, bootstrap_err) \ | |
| 122 COMPACT_GOOGLE_LOG_EX_ ## severity(BootstrapLogMessage, \ | |
| 123 bootstrap_err).stream() | |
| 124 #define BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err) \ | |
| 125 logging::BootstrapLogMessage(__FILE__, __LINE__, \ | |
| 126 -verbose_level, bootstrap_err).stream() | |
| 127 | |
| 128 #define BOOTSTRAP_LOG(severity, bootstrap_err) \ | |
| 129 LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, \ | |
| 130 bootstrap_err), LOG_IS_ON(severity)) | |
| 131 #define BOOTSTRAP_LOG_IF(severity, condition, bootstrap_err) \ | |
| 132 LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, bootstrap_err), \ | |
| 133 LOG_IS_ON(severity) && (condition)) | |
| 134 | |
| 135 #define BOOTSTRAP_VLOG(verbose_level, bootstrap_err) \ | |
| 136 LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \ | |
| 137 VLOG_IS_ON(verbose_level)) | |
| 138 #define BOOTSTRAP_VLOG_IF(verbose_level, condition, bootstrap_err) \ | |
| 139 LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \ | |
| 140 VLOG_IS_ON(verbose_level) && (condition)) | |
| 141 | |
| 142 #define BOOTSTRAP_CHECK(condition, bootstrap_err) \ | |
| 143 LAZY_STREAM(BOOTSTRAP_LOG_STREAM(FATAL, bootstrap_err), !(condition)) \ | |
| 144 << "Check failed: " # condition << ". " | |
| 145 | |
| 146 #define BOOTSTRAP_DLOG(severity, bootstrap_err) \ | |
| 147 LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, bootstrap_err), \ | |
| 148 DLOG_IS_ON(severity)) | |
| 149 #define BOOTSTRAP_DLOG_IF(severity, condition, bootstrap_err) \ | |
| 150 LAZY_STREAM(BOOTSTRAP_LOG_STREAM(severity, bootstrap_err), \ | |
| 151 DLOG_IS_ON(severity) && (condition)) | |
| 152 | |
| 153 #define BOOTSTRAP_DVLOG(verbose_level, bootstrap_err) \ | |
| 154 LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \ | |
| 155 BOOTSTRAP_DVLOG_IS_ON(verbose_level)) | |
| 156 #define BOOTSTRAP_DVLOG_IF(verbose_level, condition, bootstrap_err) \ | |
| 157 LAZY_STREAM(BOOTSTRAP_VLOG_STREAM(verbose_level, bootstrap_err), \ | |
| 158 BOOTSTRAP_DVLOG_IS_ON(verbose_level) && (condition)) | |
| 159 | |
| 160 #define BOOTSTRAP_DCHECK(condition, bootstrap_err) \ | |
| 161 LAZY_STREAM(BOOTSTRAP_LOG_STREAM(FATAL, bootstrap_err), \ | |
| 162 DCHECK_IS_ON() && !(condition)) \ | |
| 163 << "Check failed: " #condition << ". " | |
| 164 | |
| 165 #endif // !OS_IOS | |
| 166 | |
| 167 #endif // BASE_MAC_MACH_LOGGING_H_ | |
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