Request with basic properties like file and offset. More...

#include <request.h>

Inheritance diagram for request:

Collaboration diagram for request:

Public Member Functions
int	nref ()

	request (const completion_handler &on_compl, file file__, void buffer_, offset_type offset_, size_type bytes_, request_type type_)

file *	get_file () const

void *	get_buffer () const

offset_type	get_offset () const

size_type	get_size () const

request_type	get_type () const

void	check_alignment () const

std::ostream &	print (std::ostream &out) const
	Dumps properties of a request. More...

void	error_occured (const char *msg)
	Inform the request object that an error occurred during the I/O execution. More...

void	error_occured (const std::string &msg)
	Inform the request object that an error occurred during the I/O execution. More...

void	check_errors () throw (stxxl::io_error)
	Rises an exception if there were error with the I/O. More...

Public Member Functions inherited from request_interface
virtual bool	add_waiter (onoff_switch *sw)=0

virtual void	delete_waiter (onoff_switch *sw)=0

virtual void	serve ()=0

virtual void	wait (bool measure_time=true)=0
	Suspends calling thread until completion of the request. More...

virtual bool	cancel ()=0
	Cancel a request. More...

virtual bool	poll ()=0
	Polls the status of the request. More...

virtual const char *	io_type () const =0
	Identifies the type of I/O implementation. More...

Protected Member Functions
void	completed ()

void	check_nref (bool after=false)

Protected Member Functions inherited from request_interface
virtual void	notify_waiters ()=0

Protected Attributes
completion_handler	on_complete

int	ref_cnt

compat_unique_ptr < stxxl::io_error >::result	error

mutex	ref_cnt_mutex

file *	file_

void *	buffer

offset_type	offset

size_type	bytes

request_type	type

Additional Inherited Members
Public Types inherited from request_interface
enum	request_type { READ, WRITE }

typedef stxxl::external_size_type	offset_type

typedef stxxl::internal_size_type	size_type

Detailed Description

Request with basic properties like file and offset.

Member Function Documentation

inline

Rises an exception if there were error with the I/O.

void request::error_occured ( const char * msg )

inline

Inform the request object that an error occurred during the I/O execution.

void request::error_occured ( const std::string & msg )

inline

Inform the request object that an error occurred during the I/O execution.

std::ostream & request::print ( std::ostream & out ) const

virtual

Dumps properties of a request.

The documentation for this class was generated from the following files: