8f2a5a0b40
We only need one logging API, and I prefer the one that does no allocation and is thus safe to use in any context. Also use O_CLOEXEC when opening the /dev/log files. Move everything logging-related into one header file. Change-Id: Ic1e3ea8e9b910dc29df351bff6c0aa4db26fbb58
99 lines
3.3 KiB
C
99 lines
3.3 KiB
C
/*
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* Copyright (C) 2010 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _LIBC_LOGGING_H
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#define _LIBC_LOGGING_H
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#include <sys/cdefs.h>
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#include <stdarg.h>
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#include <stddef.h>
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#include <stdint.h>
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__BEGIN_DECLS
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enum {
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BIONIC_EVENT_MEMCPY_BUFFER_OVERFLOW = 80100,
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BIONIC_EVENT_STRCAT_BUFFER_OVERFLOW = 80105,
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BIONIC_EVENT_MEMMOVE_BUFFER_OVERFLOW = 80110,
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BIONIC_EVENT_STRNCAT_BUFFER_OVERFLOW = 80115,
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BIONIC_EVENT_STRNCPY_BUFFER_OVERFLOW = 80120,
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BIONIC_EVENT_MEMSET_BUFFER_OVERFLOW = 80125,
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BIONIC_EVENT_STRCPY_BUFFER_OVERFLOW = 80130,
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BIONIC_EVENT_STRCAT_INTEGER_OVERFLOW = 80200,
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BIONIC_EVENT_STRNCAT_INTEGER_OVERFLOW = 80205,
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BIONIC_EVENT_RESOLVER_OLD_RESPONSE = 80300,
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BIONIC_EVENT_RESOLVER_WRONG_SERVER = 80305,
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BIONIC_EVENT_RESOLVER_WRONG_QUERY = 80310,
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};
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enum {
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ANDROID_LOG_UNKNOWN = 0,
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ANDROID_LOG_DEFAULT, /* only for SetMinPriority() */
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ANDROID_LOG_VERBOSE,
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ANDROID_LOG_DEBUG,
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ANDROID_LOG_INFO,
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ANDROID_LOG_WARN,
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ANDROID_LOG_ERROR,
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ANDROID_LOG_FATAL,
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ANDROID_LOG_SILENT, /* only for SetMinPriority(); must be last */
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};
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//
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// Formatting routines for the C library's internal debugging.
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// Unlike the usual alternatives, these don't allocate.
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//
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__LIBC_HIDDEN__ int __libc_format_buffer(char* buffer, size_t buffer_size, const char* format, ...)
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__attribute__((__format__(printf, 3, 4)));
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__LIBC_HIDDEN__ int __libc_format_fd(int fd, const char* format, ...)
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__attribute__((__format__(printf, 2, 3)));
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__LIBC_HIDDEN__ int __libc_format_log(int priority, const char* tag, const char* format, ...)
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__attribute__((__format__(printf, 3, 4)));
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__LIBC_HIDDEN__ int __libc_format_log_va_list(int priority, const char* tag, const char* format,
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va_list ap);
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//
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// Event logging.
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//
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__LIBC_HIDDEN__ void __libc_android_log_event_int(int32_t tag, int value);
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__LIBC_HIDDEN__ void __libc_android_log_event_uid(int32_t tag);
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__LIBC_HIDDEN__ __noreturn void __fortify_chk_fail(const char* msg, uint32_t event_tag);
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__END_DECLS
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#endif
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