error_handling.hpp File Reference

#include <cerrno>
#include <cstring>
#include <sstream>
#include <foxxll/common/exceptions.hpp>
#include <foxxll/config.hpp>

Include dependency graph for error_handling.hpp:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Namespaces
	foxxll
	FOXXLL library namespace

Macros
#define	FOXXLL_PRETTY_FUNCTION_NAME   __PRETTY_FUNCTION__
#define	FOXXLL_THROW(exception_type, error_message)
	Throws exception_type with "Error in [function] : [error_message]". More...
#define	FOXXLL_THROW2(exception_type, location, error_message)
	Throws exception_type with "Error in [location] : [error_message]". More...
#define	FOXXLL_THROW_ERRNO(exception_type, error_message)   FOXXLL_THROW_ERRNO2(exception_type, error_message, errno)
	Throws exception_type with "Error in [function] : [error_message] : [errno message]". More...
#define	FOXXLL_THROW_ERRNO2(exception_type, error_message, errno_value)
	Throws exception_type with "Error in [function] : [error_message] : [errno_value message]". More...
#define	FOXXLL_THROW_ERRNO_IF(expr, exception_type, error_message)
	Throws exception_type if (expr) with "Error in [function] : [error_message] : [errno message]". More...
#define	FOXXLL_THROW_ERRNO_NE_0(expr, exception_type, error_message)   FOXXLL_THROW_ERRNO_IF((expr) != 0, exception_type, error_message)
	Throws exception_type if (expr != 0) with "Error in [function] : [error_message] : [errno message]". More...
#define	FOXXLL_THROW_IF(expr, exception_type, error_message)
	Throws exception_type if (expr) with "Error in [function] : [error_message]". More...
#define	FOXXLL_THROW_INVALID_ARGUMENT(error_message)
	Throws std::invalid_argument with "Error in [function] : [error_message]". More...
#define	FOXXLL_THROW_UNREACHABLE()
	Throws foxxll::unreachable with "Error in file [file], line [line] : this code should never be reachable". More...

Detailed Description

Macros for convenient error checking and reporting via exception.

Definition in file error_handling.hpp.

Macro Definition Documentation

FOXXLL_PRETTY_FUNCTION_NAME

#define FOXXLL_PRETTY_FUNCTION_NAME   __PRETTY_FUNCTION__

Definition at line 33 of file error_handling.hpp.

FOXXLL_THROW

#define FOXXLL_THROW	(		exception_type,
			error_message
	)

Value:

FOXXLL_THROW2(                                  \
        exception_type,                             \
        FOXXLL_PRETTY_FUNCTION_NAME,                \
        error_message                               \
    )

Throws exception_type with "Error in [function] : [error_message]".

Definition at line 47 of file error_handling.hpp.

Referenced by foxxll::create_file(), disk_config::fileio_string(), config::load_config_file(), disk_block_allocator::new_blocks(), disk_config::parse_fileio(), and disk_config::parse_line().

FOXXLL_THROW2

#define FOXXLL_THROW2	(		exception_type,
			location,
			error_message
	)

Value:

do {                                                          \
        std::ostringstream msg;                                   \
        msg << "Error in " << location << " : " << error_message; \
        throw exception_type(msg.str());                          \
    } while (false)

Throws exception_type with "Error in [location] : [error_message]".

Definition at line 39 of file error_handling.hpp.

Referenced by disk_block_allocator::add_free_region().

FOXXLL_THROW_ERRNO

#define FOXXLL_THROW_ERRNO	(		exception_type,
			error_message
	)		FOXXLL_THROW_ERRNO2(exception_type, error_message, errno)

Throws exception_type with "Error in [function] : [error_message] : [errno message]".

Definition at line 63 of file error_handling.hpp.

Referenced by ufs_file_base::_size(), ufs_file_base::close(), fileperblock_file< base_file_type >::export_files(), ufs_file_base::lock(), syscall_file::serve(), ufs_file_base::ufs_file_base(), and ufs_file_base::unlink().

FOXXLL_THROW_ERRNO2

#define FOXXLL_THROW_ERRNO2	(		exception_type,
			error_message,
			errno_value
	)

Value:

FOXXLL_THROW2(                                                      \
        exception_type,                                                 \
        FOXXLL_PRETTY_FUNCTION_NAME,                                    \
        error_message << " : " << strerror(errno_value)                 \
    )

Throws exception_type with "Error in [function] : [error_message] : [errno_value message]".

Definition at line 55 of file error_handling.hpp.

FOXXLL_THROW_ERRNO_IF

#define FOXXLL_THROW_ERRNO_IF	(		expr,
			exception_type,
			error_message
	)

Value:

do {                                                           \
        if (expr) {                                                \
            FOXXLL_THROW_ERRNO(exception_type, error_message);     \
        }                                                          \
    } while (false)

Throws exception_type if (expr) with "Error in [function] : [error_message] : [errno message]".

Definition at line 93 of file error_handling.hpp.

FOXXLL_THROW_ERRNO_NE_0

#define FOXXLL_THROW_ERRNO_NE_0	(		expr,
			exception_type,
			error_message
	)		FOXXLL_THROW_ERRNO_IF((expr) != 0, exception_type, error_message)

Throws exception_type if (expr != 0) with "Error in [function] : [error_message] : [errno message]".

Definition at line 101 of file error_handling.hpp.

Referenced by ufs_file_base::_after_open(), and ufs_file_base::_set_size().

FOXXLL_THROW_IF

#define FOXXLL_THROW_IF	(		expr,
			exception_type,
			error_message
	)

Value:

do {                                                     \
        if (expr) {                                          \
            FOXXLL_THROW(exception_type, error_message);     \
        }                                                    \
    } while (false)

Throws exception_type if (expr) with "Error in [function] : [error_message]".

Definition at line 85 of file error_handling.hpp.

Referenced by ufs_file_base::_set_size(), file_stats_data::operator+(), and file_stats_data::operator-().

FOXXLL_THROW_INVALID_ARGUMENT

#define FOXXLL_THROW_INVALID_ARGUMENT

(

error_message

)

Value:

FOXXLL_THROW2(                                   \
        std::invalid_argument,                       \
        FOXXLL_PRETTY_FUNCTION_NAME,                 \
        error_message                                \
    )

Throws std::invalid_argument with "Error in [function] : [error_message]".

Definition at line 67 of file error_handling.hpp.

Referenced by request_queue_impl_1q::add_request(), request_queue_impl_qwqr::add_request(), request_queue_impl_1q::cancel_request(), and request_queue_impl_qwqr::cancel_request().

FOXXLL_THROW_UNREACHABLE

#define FOXXLL_THROW_UNREACHABLE

(

)

Value:

FOXXLL_THROW2(                                    \
        foxxll::unreachable,                          \
        "file " << __FILE__ << ", line " << __LINE__, \
            "this code should never be reachable"     \
    )

Throws foxxll::unreachable with "Error in file [file], line [line] : this code should never be reachable".

Definition at line 75 of file error_handling.hpp.