ufs_request_base Class Reference

Base for UNIX file system implementations. More...

#include <ufs_file.h>

Inheritance diagram for ufs_request_base:

Collaboration diagram for ufs_request_base:

List of all members.

Public Member Functions
void	wait ()
	Suspends calling thread until completion of the request.
bool	poll ()
	Polls the status of the request.
const char *	io_type ()
	Identifies the type of request I/O implementation.
Public Member Functions inherited from request
void	error_occured (const char *msg)
	Inform the request object that an error occurred during the I/O execution.
void	error_occured (const std::string &msg)
	Inform the request object that an error occurred during the I/O execution.
void	check_errors () throw (stxxl::io_error)
	Rises an exception if there were error with the I/O.

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Detailed Description

Base for UNIX file system implementations.

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Member Function Documentation

const char * ufs_request_base::io_type ( )

virtual

Identifies the type of request I/O implementation.

Returns:

pointer to null terminated string of characters, containing the name of I/O implementation

Reimplemented from request.

Reimplemented in sim_disk_request, mmap_request, and syscall_request.

bool ufs_request_base::poll ( )

virtual

Polls the status of the request.

Returns:

true if request is completed, otherwise false

Implements request.

References request::check_errors(), and wait().

void ufs_request_base::wait ( )

virtual

Suspends calling thread until completion of the request.

Implements request.

References request::check_errors().

Referenced by poll().

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

• ufs_file.h
• ufs_file.cpp