1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #pragma once 30 31 #include <stdio.h> 32 #include <sys/cdefs.h> 33 #include <stdarg.h> 34 35 __BEGIN_DECLS 36 37 /** Corresponds to the Android ERROR log priority. */ 38 #define LOG_EMERG 0 39 /** Corresponds to the Android ERROR log priority. */ 40 #define LOG_ALERT 1 41 /** Corresponds to the Android ERROR log priority. */ 42 #define LOG_CRIT 2 43 /** Corresponds to the Android ERROR log priority. */ 44 #define LOG_ERR 3 45 /** Corresponds to the Android WARN log priority. */ 46 #define LOG_WARNING 4 47 /** Corresponds to the Android INFO log priority. */ 48 #define LOG_NOTICE 5 49 /** Corresponds to the Android INFO log priority. */ 50 #define LOG_INFO 6 51 /** Corresponds to the Android DEBUG log priority. */ 52 #define LOG_DEBUG 7 53 54 #define LOG_PRIMASK 7 55 #define LOG_PRI(x) ((x) & LOG_PRIMASK) 56 #define LOG_MAKEPRI(fac, pri) ((fac) | (pri)) 57 58 /** Currently ignored on Android. */ 59 #define LOG_KERN (0<<3) 60 /** Currently ignored on Android. */ 61 #define LOG_USER (1<<3) 62 /** Currently ignored on Android. */ 63 #define LOG_MAIL (2<<3) 64 /** Currently ignored on Android. */ 65 #define LOG_DAEMON (3<<3) 66 /** Currently ignored on Android. */ 67 #define LOG_AUTH (4<<3) 68 /** Currently ignored on Android. */ 69 #define LOG_SYSLOG (5<<3) 70 /** Currently ignored on Android. */ 71 #define LOG_LPR (6<<3) 72 /** Currently ignored on Android. */ 73 #define LOG_NEWS (7<<3) 74 /** Currently ignored on Android. */ 75 #define LOG_UUCP (8<<3) 76 /** Currently ignored on Android. */ 77 #define LOG_CRON (9<<3) 78 /** Currently ignored on Android. */ 79 #define LOG_AUTHPRIV (10<<3) 80 /** Currently ignored on Android. */ 81 #define LOG_FTP (11<<3) 82 /** Currently ignored on Android. */ 83 #define LOG_LOCAL0 (16<<3) 84 /** Currently ignored on Android. */ 85 #define LOG_LOCAL1 (17<<3) 86 /** Currently ignored on Android. */ 87 #define LOG_LOCAL2 (18<<3) 88 /** Currently ignored on Android. */ 89 #define LOG_LOCAL3 (19<<3) 90 /** Currently ignored on Android. */ 91 #define LOG_LOCAL4 (20<<3) 92 /** Currently ignored on Android. */ 93 #define LOG_LOCAL5 (21<<3) 94 /** Currently ignored on Android. */ 95 #define LOG_LOCAL6 (22<<3) 96 /** Currently ignored on Android. */ 97 #define LOG_LOCAL7 (23<<3) 98 99 #define LOG_NFACILITIES 24 100 #define LOG_FACMASK 0x3f8 101 #define LOG_FAC(x) (((x) >> 3) & (LOG_FACMASK >> 3)) 102 103 /** 104 * Converts a log priority into a mask enabling that single priority, 105 * for use with setlogmask(). 106 */ 107 #define LOG_MASK(pri) (1 << (pri)) 108 109 /** 110 * Converts a log priority into a mask enabling that priority and all lower 111 * priorities, for use with setlogmask(). 112 */ 113 #define LOG_UPTO(pri) ((1 << ((pri)+1)) - 1) 114 115 /** openlog() options are currently ignored on Android. */ 116 #define LOG_PID 0x01 117 /** openlog() options are currently ignored on Android. */ 118 #define LOG_CONS 0x02 119 /** openlog() options are currently ignored on Android. */ 120 #define LOG_ODELAY 0x04 121 /** openlog() options are currently ignored on Android. */ 122 #define LOG_NDELAY 0x08 123 /** openlog() options are currently ignored on Android. */ 124 #define LOG_NOWAIT 0x10 125 /** openlog() options are currently ignored on Android. */ 126 #define LOG_PERROR 0x20 127 128 /** 129 * [closelog(3)](http://man7.org/linux/man-pages/man3/closelog.3.html) does 130 * nothing on Android. 131 */ 132 void closelog(void); 133 134 /** 135 * [openlog(3)](http://man7.org/linux/man-pages/man3/openlog.3.html) sets 136 * the log tag to `__prefix`. On Android, the other two arguments are ignored. 137 */ 138 void openlog(const char* __prefix, int __option, int __facility); 139 140 /** 141 * [setlogmask(3)](http://man7.org/linux/man-pages/man3/setlogmask.3.html) 142 * sets which log priorities will actually be logged. See `LOG_MASK` and 143 * `LOG_UPTO`. 144 */ 145 int setlogmask(int __mask); 146 147 /** 148 * [syslog(3)](http://man7.org/linux/man-pages/man3/syslog.3.html) formats 149 * the printf()-like message and logs it with the given priority, unless 150 * suppressed by setlogmask(). On Android, the output goes to logcat. 151 */ 152 void syslog(int __priority, const char* __fmt, ...) __printflike(2, 3); 153 154 /** 155 * [vsyslog(3)](http://man7.org/linux/man-pages/man3/vsyslog.3.html) formats 156 * the vprintf()-like message and logs it with the given priority, unless 157 * suppressed by setlogmask(). On Android, the output goes to logcat. 158 */ 159 void vsyslog(int __priority, const char* __fmt, va_list __args) __printflike(2, 0); 160 161 __END_DECLS 162