1 /*
2  * Copyright (C) 2010 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 _CUTILS_KLOG_H_
18 #define _CUTILS_KLOG_H_
19 
20 #include <sys/cdefs.h>
21 #include <sys/uio.h>
22 #include <stdarg.h>
23 
24 __BEGIN_DECLS
25 
26 void klog_set_level(int level);
27 
28 void klog_write(int level, const char *fmt, ...)
29     __attribute__ ((format(printf, 2, 3)));
30 void klog_writev(int level, const struct iovec* iov, int iov_count);
31 
32 __END_DECLS
33 
34 #define KLOG_ERROR_LEVEL   3
35 #define KLOG_WARNING_LEVEL 4
36 #define KLOG_NOTICE_LEVEL  5
37 #define KLOG_INFO_LEVEL    6
38 #define KLOG_DEBUG_LEVEL   7
39 
40 #define KLOG_ERROR(tag,x...)   klog_write(KLOG_ERROR_LEVEL, "<3>" tag ": " x)
41 #define KLOG_WARNING(tag,x...) klog_write(KLOG_WARNING_LEVEL, "<4>" tag ": " x)
42 #define KLOG_NOTICE(tag,x...)  klog_write(KLOG_NOTICE_LEVEL, "<5>" tag ": " x)
43 #define KLOG_INFO(tag,x...)    klog_write(KLOG_INFO_LEVEL, "<6>" tag ": " x)
44 #define KLOG_DEBUG(tag,x...)   klog_write(KLOG_DEBUG_LEVEL, "<7>" tag ": " x)
45 
46 #endif
47