ACE_POSIX_Asynch_Result Class Reference

#include <POSIX_Asynch_IO.h>

Inheritance diagram for ACE_POSIX_Asynch_Result:

Collaboration diagram for ACE_POSIX_Asynch_Result:

List of all members.

Public Member Functions
size_t	bytes_transferred (void) const
	Number of bytes transferred by the operation.
const void *	act (void) const
	ACT associated with the operation.
int	success (void) const
	Did the operation succeed?
const void *	completion_key (void) const
u_long	error (void) const
	Error value if the operation fails.
ACE_HANDLE	event (void) const
	This returns ACE_INVALID_HANDLE on POSIX4 platforms.
u_long	offset (void) const
u_long	offset_high (void) const
int	priority (void) const
	Priority of the operation.
int	signal_number (void) const
int	post_completion (ACE_Proactor_Impl *proactor)
	Post this to the Proactor.
virtual	~ACE_POSIX_Asynch_Result (void)
	Destructor.
void	set_error (u_long errcode)
	Simulate error value to use in the post_completion ()
void	set_bytes_transferred (size_t nbytes)
	Simulate value to use in the post_completion ()
Protected Member Functions
	ACE_POSIX_Asynch_Result (const ACE_Handler::Proxy_Ptr &handler_proxy, const void *act, ACE_HANDLE event, u_long offset, u_long offset_high, int priority, int signal_number)
	Constructor. <Event> is not used on POSIX.
Protected Attributes
ACE_Handler::Proxy_Ptr	handler_proxy_
	Handler that will be called back.
const void *	act_
size_t	bytes_transferred_
	Bytes transferred by this operation.
int	success_
	Success indicator.
const void *	completion_key_
	ACT associated with handle.
u_long	error_
	Error if operation failed.

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Detailed Description

This class provides concrete implementation for ACE_Asynch_Result for POSIX4 platforms. This class extends aiocb and makes it more useful.

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Constructor & Destructor Documentation

ACE_POSIX_Asynch_Result::~ACE_POSIX_Asynch_Result

(

void

)

[virtual]

Destructor.

ACE_POSIX_Asynch_Result::ACE_POSIX_Asynch_Result	(	const ACE_Handler::Proxy_Ptr &	handler_proxy,
		const void *	act,
		ACE_HANDLE	event,
		u_long	offset,
		u_long	offset_high,
		int	priority,
		int	signal_number
	)		[protected]

Constructor. <Event> is not used on POSIX.

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Member Function Documentation

const void * ACE_POSIX_Asynch_Result::act

(

void

)

const [virtual]

ACT associated with the operation.

Implements ACE_Asynch_Result_Impl.

size_t ACE_POSIX_Asynch_Result::bytes_transferred

(

void

)

const [virtual]

Number of bytes transferred by the operation.

Implements ACE_Asynch_Result_Impl.

const void * ACE_POSIX_Asynch_Result::completion_key

(

void

)

const [virtual]

This is the ACT associated with the handle on which the Asynch_Operation takes place.

Note:

This is not implemented for POSIX4 platforms.

Implements ACE_Asynch_Result_Impl.

u_long ACE_POSIX_Asynch_Result::error

(

void

)

const [virtual]

Error value if the operation fails.

Implements ACE_Asynch_Result_Impl.

ACE_HANDLE ACE_POSIX_Asynch_Result::event

(

void

)

const [virtual]

This returns ACE_INVALID_HANDLE on POSIX4 platforms.

Implements ACE_Asynch_Result_Impl.

u_long ACE_POSIX_Asynch_Result::offset

(

void

)

const [virtual]

This really make sense only when doing file I/O.

@ On POSIX4-Unix, offset_high should be supported using aiocb64.

Implements ACE_Asynch_Result_Impl.

u_long ACE_POSIX_Asynch_Result::offset_high

(

void

)

const [virtual]

Implements ACE_Asynch_Result_Impl.

int ACE_POSIX_Asynch_Result::post_completion

(

ACE_Proactor_Impl *

proactor

)

[virtual]

Post this to the Proactor.

Implements ACE_Asynch_Result_Impl.

int ACE_POSIX_Asynch_Result::priority

(

void

)

const [virtual]

Priority of the operation.

Implements ACE_Asynch_Result_Impl.

void ACE_POSIX_Asynch_Result::set_bytes_transferred

(

size_t

nbytes

)

Simulate value to use in the post_completion ()

void ACE_POSIX_Asynch_Result::set_error

(

u_long

errcode

)

Simulate error value to use in the post_completion ()

int ACE_POSIX_Asynch_Result::signal_number

(

void

)

const [virtual]

POSIX4 realtime signal number to be used for the operation. <signal_number> ranges from SIGRTMIN to SIGRTMAX. By default, SIGRTMIN is used to issue <aio_> calls.

Implements ACE_Asynch_Result_Impl.

int ACE_POSIX_Asynch_Result::success

(

void

)

const [virtual]

Did the operation succeed?

Implements ACE_Asynch_Result_Impl.

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Member Data Documentation

const void* ACE_POSIX_Asynch_Result::act_ [protected]

ACT for this operation. We could use <aiocb::aio_sigevent.sigev_value.sival_ptr> for this. But it doesnot provide the constness, so this may be better.

size_t ACE_POSIX_Asynch_Result::bytes_transferred_ [protected]

Bytes transferred by this operation.

const void* ACE_POSIX_Asynch_Result::completion_key_ [protected]

ACT associated with handle.

u_long ACE_POSIX_Asynch_Result::error_ [protected]

Error if operation failed.

ACE_Handler::Proxy_Ptr ACE_POSIX_Asynch_Result::handler_proxy_ [protected]

Handler that will be called back.

int ACE_POSIX_Asynch_Result::success_ [protected]

Success indicator.

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

• POSIX_Asynch_IO.h
• POSIX_Asynch_IO.cpp