platform_bionic/libc/include/sys/klog.h
zijunzhao e716b1b3ee Nullability check for klog module
Bugs: b/245972273
Test: adb shell
Change-Id: I43634184ff8785fa8096d7e8034b22da452cfdd4
2023-02-03 21:56:56 +00:00

71 lines
2.3 KiB
C

/*
* Copyright (C) 2008 The Android Open Source Project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#pragma once
/**
* @file sys/klog.h
* @brief
*/
#include <sys/cdefs.h>
__BEGIN_DECLS
/** Used with klogctl(). */
#define KLOG_CLOSE 0
/** Used with klogctl(). */
#define KLOG_OPEN 1
/** Used with klogctl(). */
#define KLOG_READ 2
/** Used with klogctl(). */
#define KLOG_READ_ALL 3
/** Used with klogctl(). */
#define KLOG_READ_CLEAR 4
/** Used with klogctl(). */
#define KLOG_CLEAR 5
/** Used with klogctl(). */
#define KLOG_CONSOLE_OFF 6
/** Used with klogctl(). */
#define KLOG_CONSOLE_ON 7
/** Used with klogctl(). */
#define KLOG_CONSOLE_LEVEL 8
/** Used with klogctl(). */
#define KLOG_SIZE_UNREAD 9
/** Used with klogctl(). */
#define KLOG_SIZE_BUFFER 10
/**
* [klogctl(2)](http://man7.org/linux/man-pages/man2/syslog.2.html) operates on the kernel log.
*
* This system call is not available to applications.
* Use syslog() or `<android/log.h>` instead.
*/
int klogctl(int __type, char* __BIONIC_COMPLICATED_NULLNESS __buf, int __buf_size);
__END_DECLS