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Side by Side Diff: third_party/hwcplus/include/android/log.h

Issue 2643643008: Delete third_party/hwcplus/ (Closed)
Patch Set: Created 3 years, 11 months ago
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1 /*
2 * Copyright (C) 2009 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 #ifndef _ANDROID_LOG_H
18 #define _ANDROID_LOG_H
19
20 /******************************************************************
21 *
22 * IMPORTANT NOTICE:
23 *
24 * This file is part of Android's set of stable system headers
25 * exposed by the Android NDK (Native Development Kit) since
26 * platform release 1.5
27 *
28 * Third-party source AND binary code relies on the definitions
29 * here to be FROZEN ON ALL UPCOMING PLATFORM RELEASES.
30 *
31 * - DO NOT MODIFY ENUMS (EXCEPT IF YOU ADD NEW 32-BIT VALUES)
32 * - DO NOT MODIFY CONSTANTS OR FUNCTIONAL MACROS
33 * - DO NOT CHANGE THE SIGNATURE OF FUNCTIONS IN ANY WAY
34 * - DO NOT CHANGE THE LAYOUT OR SIZE OF STRUCTURES
35 */
36
37 /*
38 * Support routines to send messages to the Android in-kernel log buffer,
39 * which can later be accessed through the 'logcat' utility.
40 *
41 * Each log message must have
42 * - a priority
43 * - a log tag
44 * - some text
45 *
46 * The tag normally corresponds to the component that emits the log message,
47 * and should be reasonably small.
48 *
49 * Log message text may be truncated to less than an implementation-specific
50 * limit (e.g. 1023 characters max).
51 *
52 * Note that a newline character ("\n") will be appended automatically to your
53 * log message, if not already there. It is not possible to send several message s
54 * and have them appear on a single line in logcat.
55 *
56 * PLEASE USE LOGS WITH MODERATION:
57 *
58 * - Sending log messages eats CPU and slow down your application and the
59 * system.
60 *
61 * - The circular log buffer is pretty small (<64KB), sending many messages
62 * might push off other important log messages from the rest of the system.
63 *
64 * - In release builds, only send log messages to account for exceptional
65 * conditions.
66 *
67 * NOTE: These functions MUST be implemented by /system/lib/liblog.so
68 */
69
70 #include <stdarg.h>
71
72 #ifdef __cplusplus
73 extern "C" {
74 #endif
75
76 /*
77 * Android log priority values, in ascending priority order.
78 */
79 typedef enum android_LogPriority {
80 ANDROID_LOG_UNKNOWN = 0,
81 ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */
82 ANDROID_LOG_VERBOSE,
83 ANDROID_LOG_DEBUG,
84 ANDROID_LOG_INFO,
85 ANDROID_LOG_WARN,
86 ANDROID_LOG_ERROR,
87 ANDROID_LOG_FATAL,
88 ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */
89 } android_LogPriority;
90
91 /*
92 * Send a simple string to the log.
93 */
94 int __android_log_write(int prio, const char *tag, const char *text);
95
96 /*
97 * Send a formatted string to the log, used like printf(fmt,...)
98 */
99 int __android_log_print(int prio, const char *tag, const char *fmt, ...)
100 #if defined(__GNUC__)
101 __attribute__ ((format(printf, 3, 4)))
102 #endif
103 ;
104
105 /*
106 * A variant of __android_log_print() that takes a va_list to list
107 * additional parameters.
108 */
109 int __android_log_vprint(int prio, const char *tag,
110 const char *fmt, va_list ap);
111
112 /*
113 * Log an assertion failure and SIGTRAP the process to have a chance
114 * to inspect it, if a debugger is attached. This uses the FATAL priority.
115 */
116 void __android_log_assert(const char *cond, const char *tag,
117 const char *fmt, ...)
118 #if defined(__GNUC__)
119 __attribute__ ((noreturn))
120 __attribute__ ((format(printf, 3, 4)))
121 #endif
122 ;
123
124 #ifdef __cplusplus
125 }
126 #endif
127
128 #endif /* _ANDROID_LOG_H */
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