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 #include "build/build_config.h"
12
13 #if !defined(OS_IOS)
14 #include <servers/bootstrap.h>
15 #endif // !OS_IOS
16
17 namespace {
18
FormatMachErrorNumber(mach_error_t mach_err)19 std::string FormatMachErrorNumber(mach_error_t mach_err) {
20 // For the os/kern subsystem, give the error number in decimal as in
21 // <mach/kern_return.h>. Otherwise, give it in hexadecimal to make it easier
22 // to visualize the various bits. See <mach/error.h>.
23 if (mach_err >= 0 && mach_err < KERN_RETURN_MAX) {
24 return base::StringPrintf(" (%d)", mach_err);
25 }
26 return base::StringPrintf(" (0x%08x)", mach_err);
27 }
28
29 } // namespace
30
31 namespace logging {
32
MachLogMessage(const char * file_path,int line,LogSeverity severity,mach_error_t mach_err)33 MachLogMessage::MachLogMessage(const char* file_path,
34 int line,
35 LogSeverity severity,
36 mach_error_t mach_err)
37 : LogMessage(file_path, line, severity),
38 mach_err_(mach_err) {
39 }
40
~MachLogMessage()41 MachLogMessage::~MachLogMessage() {
42 stream() << ": "
43 << mach_error_string(mach_err_)
44 << FormatMachErrorNumber(mach_err_);
45 }
46
47 #if !defined(OS_IOS)
48
BootstrapLogMessage(const char * file_path,int line,LogSeverity severity,kern_return_t bootstrap_err)49 BootstrapLogMessage::BootstrapLogMessage(const char* file_path,
50 int line,
51 LogSeverity severity,
52 kern_return_t bootstrap_err)
53 : LogMessage(file_path, line, severity),
54 bootstrap_err_(bootstrap_err) {
55 }
56
~BootstrapLogMessage()57 BootstrapLogMessage::~BootstrapLogMessage() {
58 stream() << ": "
59 << bootstrap_strerror(bootstrap_err_);
60
61 switch (bootstrap_err_) {
62 case BOOTSTRAP_SUCCESS:
63 case BOOTSTRAP_NOT_PRIVILEGED:
64 case BOOTSTRAP_NAME_IN_USE:
65 case BOOTSTRAP_UNKNOWN_SERVICE:
66 case BOOTSTRAP_SERVICE_ACTIVE:
67 case BOOTSTRAP_BAD_COUNT:
68 case BOOTSTRAP_NO_MEMORY:
69 case BOOTSTRAP_NO_CHILDREN: {
70 // Show known bootstrap errors in decimal because that's how they're
71 // defined in <servers/bootstrap.h>.
72 stream() << " (" << bootstrap_err_ << ")";
73 break;
74 }
75
76 default: {
77 // bootstrap_strerror passes unknown errors to mach_error_string, so
78 // format them as they would be if they were handled by
79 // MachErrorMessage.
80 stream() << FormatMachErrorNumber(bootstrap_err_);
81 break;
82 }
83 }
84 }
85
86 #endif // !OS_IOS
87
88 } // namespace logging
89