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| 1 // Copyright (c) 2012 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_MAC_LOGGING_H_ | |
| 6 #define BASE_MAC_MAC_LOGGING_H_ | |
| 7 | |
| 8 #include "base/base_export.h" | |
| 9 #include "base/basictypes.h" | |
| 10 #include "base/logging.h" | |
| 11 #include "build/build_config.h" | |
| 12 | |
| 13 #if defined(OS_IOS) | |
| 14 #include <MacTypes.h> | |
| 15 #else | |
| 16 #include <libkern/OSTypes.h> | |
| 17 #endif | |
| 18 | |
| 19 // Use the OSSTATUS_LOG family to log messages related to errors in Mac OS X | |
| 20 // system routines that report status via an OSStatus or OSErr value. It is | |
| 21 // similar to the PLOG family which operates on errno, but because there is no | |
| 22 // global (or thread-local) OSStatus or OSErr value, the specific error must | |
| 23 // be supplied as an argument to the OSSTATUS_LOG macro. The message logged | |
| 24 // will contain the symbolic constant name corresponding to the status value, | |
| 25 // along with the value itself. | |
| 26 // | |
| 27 // OSErr is just an older 16-bit form of the newer 32-bit OSStatus. Despite | |
| 28 // the name, OSSTATUS_LOG can be used equally well for OSStatus and OSErr. | |
| 29 | |
| 30 namespace logging { | |
| 31 | |
| 32 class BASE_EXPORT OSStatusLogMessage : public logging::LogMessage { | |
| 33 public: | |
| 34 OSStatusLogMessage(const char* file_path, | |
| 35 int line, | |
| 36 LogSeverity severity, | |
| 37 OSStatus status); | |
| 38 ~OSStatusLogMessage(); | |
| 39 | |
| 40 private: | |
| 41 OSStatus status_; | |
| 42 | |
| 43 DISALLOW_COPY_AND_ASSIGN(OSStatusLogMessage); | |
| 44 }; | |
| 45 | |
| 46 } // namespace logging | |
| 47 | |
| 48 #if defined(NDEBUG) | |
| 49 #define MAC_DVLOG_IS_ON(verbose_level) 0 | |
| 50 #else | |
| 51 #define MAC_DVLOG_IS_ON(verbose_level) VLOG_IS_ON(verbose_level) | |
| 52 #endif | |
| 53 | |
| 54 #define OSSTATUS_LOG_STREAM(severity, status) \ | |
| 55 COMPACT_GOOGLE_LOG_EX_ ## severity(OSStatusLogMessage, status).stream() | |
| 56 #define OSSTATUS_VLOG_STREAM(verbose_level, status) \ | |
| 57 logging::OSStatusLogMessage(__FILE__, __LINE__, \ | |
| 58 -verbose_level, status).stream() | |
| 59 | |
| 60 #define OSSTATUS_LOG(severity, status) \ | |
| 61 LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), LOG_IS_ON(severity)) | |
| 62 #define OSSTATUS_LOG_IF(severity, condition, status) \ | |
| 63 LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), \ | |
| 64 LOG_IS_ON(severity) && (condition)) | |
| 65 | |
| 66 #define OSSTATUS_VLOG(verbose_level, status) \ | |
| 67 LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status), \ | |
| 68 VLOG_IS_ON(verbose_level)) | |
| 69 #define OSSTATUS_VLOG_IF(verbose_level, condition, status) \ | |
| 70 LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status), \ | |
| 71 VLOG_IS_ON(verbose_level) && (condition)) | |
| 72 | |
| 73 #define OSSTATUS_CHECK(condition, status) \ | |
| 74 LAZY_STREAM(OSSTATUS_LOG_STREAM(FATAL, status), !(condition)) \ | |
| 75 << "Check failed: " # condition << ". " | |
| 76 | |
| 77 #define OSSTATUS_DLOG(severity, status) \ | |
| 78 LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), DLOG_IS_ON(severity)) | |
| 79 #define OSSTATUS_DLOG_IF(severity, condition, status) \ | |
| 80 LAZY_STREAM(OSSTATUS_LOG_STREAM(severity, status), \ | |
| 81 DLOG_IS_ON(severity) && (condition)) | |
| 82 | |
| 83 #define OSSTATUS_DVLOG(verbose_level, status) \ | |
| 84 LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status), \ | |
| 85 MAC_DVLOG_IS_ON(verbose_level)) | |
| 86 #define OSSTATUS_DVLOG_IF(verbose_level, condition, status) \ | |
| 87 LAZY_STREAM(OSSTATUS_VLOG_STREAM(verbose_level, status), \ | |
| 88 MAC_DVLOG_IS_ON(verbose_level) && (condition)) | |
| 89 | |
| 90 #define OSSTATUS_DCHECK(condition, status) \ | |
| 91 LAZY_STREAM(OSSTATUS_LOG_STREAM(FATAL, status), \ | |
| 92 DCHECK_IS_ON() && !(condition)) \ | |
| 93 << "Check failed: " #condition << ". " | |
| 94 | |
| 95 #endif // BASE_MAC_MAC_LOGGING_H_ | |
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