da40c00137
Also make important events in init's life NOTICE rather than INFO, and ensure that NOTICE events actually make it to the kernel log. Also fix the logging so that if you have a printf format string error, the compiler now catches it. Also give messages from init, ueventd, and watchdogd distinct tags. (Previously they'd all call themselves "init", and dmesg doesn't include pids, so you couldn't untangle them.) Also include the tag in SELinux messages. Bug: 19544788 Change-Id: Ica6daea065bfdb80155c52c0b06f346a7df208fe
51 lines
1.7 KiB
C
51 lines
1.7 KiB
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef _CUTILS_KLOG_H_
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#define _CUTILS_KLOG_H_
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#include <sys/cdefs.h>
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#include <sys/uio.h>
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#include <stdarg.h>
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__BEGIN_DECLS
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void klog_init(void);
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int klog_get_level(void);
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void klog_set_level(int level);
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/* TODO: void klog_close(void); - and make klog_fd users thread safe. */
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void klog_write(int level, const char *fmt, ...)
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__attribute__ ((format(printf, 2, 3)));
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void klog_writev(int level, const struct iovec* iov, int iov_count);
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__END_DECLS
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#define KLOG_ERROR_LEVEL 3
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#define KLOG_WARNING_LEVEL 4
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#define KLOG_NOTICE_LEVEL 5
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#define KLOG_INFO_LEVEL 6
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#define KLOG_DEBUG_LEVEL 7
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#define KLOG_ERROR(tag,x...) klog_write(KLOG_ERROR_LEVEL, "<3>" tag ": " x)
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#define KLOG_WARNING(tag,x...) klog_write(KLOG_WARNING_LEVEL, "<4>" tag ": " x)
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#define KLOG_NOTICE(tag,x...) klog_write(KLOG_NOTICE_LEVEL, "<5>" tag ": " x)
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#define KLOG_INFO(tag,x...) klog_write(KLOG_INFO_LEVEL, "<6>" tag ": " x)
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#define KLOG_DEBUG(tag,x...) klog_write(KLOG_DEBUG_LEVEL, "<7>" tag ": " x)
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#define KLOG_DEFAULT_LEVEL 3 /* messages <= this level are logged */
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#endif
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