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 #include "base/mac/mach_logging.h" 6 7 #include <iomanip> 8 #include <string> 9 10 #include "base/strings/stringprintf.h" 11 12 #if !defined(OS_IOS) 13 #include <servers/bootstrap.h> 14 #endif // !OS_IOS 15 16 namespace { 17 18 std::string FormatMachErrorNumber(mach_error_t mach_err) { 19 // For the os/kern subsystem, give the error number in decimal as in 20 // <mach/kern_return.h>. Otherwise, give it in hexadecimal to make it easier 21 // to visualize the various bits. See <mach/error.h>. 22 if (mach_err >= 0 && mach_err < KERN_RETURN_MAX) { 23 return base::StringPrintf(" (%d)", mach_err); 24 } 25 return base::StringPrintf(" (0x%08x)", mach_err); 26 } 27 28 } // namespace 29 30 namespace logging { 31 32 MachLogMessage::MachLogMessage(const char* file_path, 33 int line, 34 LogSeverity severity, 35 mach_error_t mach_err) 36 : LogMessage(file_path, line, severity), 37 mach_err_(mach_err) { 38 } 39 40 MachLogMessage::~MachLogMessage() { 41 stream() << ": " 42 << mach_error_string(mach_err_) 43 << FormatMachErrorNumber(mach_err_); 44 } 45 46 #if !defined(OS_IOS) 47 48 BootstrapLogMessage::BootstrapLogMessage(const char* file_path, 49 int line, 50 LogSeverity severity, 51 kern_return_t bootstrap_err) 52 : LogMessage(file_path, line, severity), 53 bootstrap_err_(bootstrap_err) { 54 } 55 56 BootstrapLogMessage::~BootstrapLogMessage() { 57 stream() << ": " 58 << bootstrap_strerror(bootstrap_err_); 59 60 switch (bootstrap_err_) { 61 case BOOTSTRAP_SUCCESS: 62 case BOOTSTRAP_NOT_PRIVILEGED: 63 case BOOTSTRAP_NAME_IN_USE: 64 case BOOTSTRAP_UNKNOWN_SERVICE: 65 case BOOTSTRAP_SERVICE_ACTIVE: 66 case BOOTSTRAP_BAD_COUNT: 67 case BOOTSTRAP_NO_MEMORY: 68 case BOOTSTRAP_NO_CHILDREN: { 69 // Show known bootstrap errors in decimal because that's how they're 70 // defined in <servers/bootstrap.h>. 71 stream() << " (" << bootstrap_err_ << ")"; 72 break; 73 } 74 75 default: { 76 // bootstrap_strerror passes unknown errors to mach_error_string, so 77 // format them as they would be if they were handled by 78 // MachErrorMessage. 79 stream() << FormatMachErrorNumber(bootstrap_err_); 80 break; 81 } 82 } 83 } 84 85 #endif // !OS_IOS 86 87 } // namespace logging 88