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Side by Side Diff: base/mac/mac_logging.h

Issue 1647803004: Move base to DEPS (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 4 years, 10 months ago
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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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