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/logging.h" 10 #include "base/macros.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_ 96