urbackup_backend/external/aws-cpp-sdk/include/aws/common/system_info.h
2021-07-07 18:47:38 +02:00

82 lines
2.7 KiB
C
Executable File

#ifndef AWS_COMMON_SYSTEM_INFO_H
#define AWS_COMMON_SYSTEM_INFO_H
/*
* Copyright 2010-2018 Amazon.com, Inc. or its affiliates. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License").
* You may not use this file except in compliance with the License.
* A copy of the License is located at
*
* http://aws.amazon.com/apache2.0
*
* or in the "license" file accompanying this file. This file is distributed
* on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
* express or implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
#include <aws/common/common.h>
AWS_EXTERN_C_BEGIN
/* Returns the number of online processors available for usage. */
AWS_COMMON_API
size_t aws_system_info_processor_count(void);
/* Returns true if a debugger is currently attached to the process. */
AWS_COMMON_API
bool aws_is_debugger_present(void);
/* If a debugger is attached to the process, trip a breakpoint. */
AWS_COMMON_API
void aws_debug_break(void);
#if defined(AWS_HAVE_EXECINFO) || defined(_WIN32) || defined(__APPLE__)
# define AWS_BACKTRACE_STACKS_AVAILABLE
#endif
/*
* Records a stack trace from the call site.
* Returns the number of stack entries/stack depth captured, or 0 if the operation
* is not supported on this platform
*/
AWS_COMMON_API
size_t aws_backtrace(void **frames, size_t num_frames);
/*
* Converts stack frame pointers to symbols, if symbols are available
* Returns an array up to stack_depth long, that needs to be free()ed.
* stack_depth should be the length of frames.
* Returns NULL if the platform does not support stack frame translation
* or an error occurs
*/
char **aws_backtrace_symbols(void *const *frames, size_t stack_depth);
/*
* Converts stack frame pointers to symbols, using all available system
* tools to try to produce a human readable result. This call will not be
* quick, as it shells out to addr2line or similar tools.
* On Windows, this is the same as aws_backtrace_symbols()
* Returns an array up to stack_depth long that needs to be free()ed. Missing
* frames will be NULL.
* Returns NULL if the platform does not support stack frame translation
* or an error occurs
*/
char **aws_backtrace_addr2line(void *const *frames, size_t stack_depth);
/**
* Print a backtrace from either the current stack, or (if provided) the current exception/signal
* call_site_data is siginfo_t* on POSIX, and LPEXCEPTION_POINTERS on Windows, and can be null
*/
AWS_COMMON_API
void aws_backtrace_print(FILE *fp, void *call_site_data);
/* Log the callstack from the current stack to the currently configured aws_logger */
AWS_COMMON_API
void aws_backtrace_log(void);
AWS_EXTERN_C_END
#endif /* AWS_COMMON_SYSTEM_INFO_H */