FM / io

/usr/include/stxxl/bits/io

Name	Size	Mode	Actions
boostfd_file.h	2121	0644	edit dl rm
completion_handler.h	2834	0644	edit dl rm
create_file.h	1331	0644	edit dl rm
disk_queued_file.h	1746	0644	edit dl rm
disk_queues.h	3962	0644	edit dl rm
file.h	7676	0644	edit dl rm
fileperblock_file.h	2538	0644	edit dl rm
io.h	1271	0644	edit dl rm
iostats.h	16238	0644	edit dl rm
linuxaio_file.h	2574	0644	edit dl rm
linuxaio_queue.h	3109	0644	edit dl rm
linuxaio_request.h	2099	0644	edit dl rm
mem_file.h	1744	0644	edit dl rm
mmap_file.h	1870	0644	edit dl rm
request.h	3145	0644	edit dl rm
request_interface.h	2682	0644	edit dl rm
request_operations.h	5188	0644	edit dl rm
request_queue.h	1245	0644	edit dl rm
request_queue_impl_1q.h	2103	0644	edit dl rm
request_queue_impl_qwqr.h	2274	0644	edit dl rm
request_queue_impl_worker.h	2029	0644	edit dl rm
request_with_state.h	1699	0644	edit dl rm
request_with_waiters.h	1576	0644	edit dl rm
serving_request.h	1387	0644	edit dl rm
simdisk_file.h	4283	0644	edit dl rm
syscall_file.h	1844	0644	edit dl rm
ufs_file_base.h	1865	0644	edit dl rm
wbtl_file.h	3415	0644	edit dl rm
wfs_file_base.h	1663	0644	edit dl rm
wincall_file.h	2045	0644	edit dl rm

Edit: /usr/include/stxxl/bits/io/request_interface.h (2682B)

#ifndef STXXL_IO_REQUEST_INTERFACE_HEADER
#define STXXL_IO_REQUEST_INTERFACE_HEADER

#include <ostream>

#include <stxxl/bits/namespace.h>
#include <stxxl/bits/noncopyable.h>
#include <stxxl/bits/common/types.h>

STXXL_BEGIN_NAMESPACE

//! \addtogroup reqlayer
//! \{

class onoff_switch;

//! Functional interface of a request.
//!
//! Since all library I/O operations are asynchronous,
//! one needs to keep track of their status:
//! e.g. whether an I/O operation completed or not.
class request_interface : private noncopyable
{
public:
    typedef stxxl::external_size_type offset_type;
    typedef stxxl::internal_size_type size_type;
    enum request_type { READ, WRITE };

public:
    virtual bool add_waiter(onoff_switch* sw) = 0;
    virtual void delete_waiter(onoff_switch* sw) = 0;

protected:
    virtual void notify_waiters() = 0;

protected:
    virtual void completed(bool canceled) = 0;

public:
    //! Suspends calling thread until completion of the request.
    virtual void wait(bool measure_time = true) = 0;

//! Cancel a request.
    //!
    //! The request is canceled unless already being processed.
    //! However, cancelation cannot be guaranteed.
    //! Canceled requests must still be waited for in order to ensure correct operation.
    //! If the request was canceled successfully, the completion handler will not be called.
    //! \return \c true iff the request was canceled successfully
    virtual bool cancel() = 0;

//! Polls the status of the request.
    //! \return \c true if request is completed, otherwise \c false
    virtual bool poll() = 0;

//! Identifies the type of I/O implementation.
    //! \return pointer to null terminated string of characters, containing the name of I/O implementation
    virtual const char * io_type() const = 0;

//! Dumps properties of a request.
    virtual std::ostream & print(std::ostream& out) const = 0;

virtual ~request_interface()
    { }
};

//! \}

STXXL_END_NAMESPACE

#endif // !STXXL_IO_REQUEST_INTERFACE_HEADER
// vim: et:ts=4:sw=4

/*************************************************************************** * include/stxxl/bits/io/request_interface.h * * Part of the STXXL. See http://stxxl.sourceforge.net * * Copyright (C) 2002 Roman Dementiev * Copyright (C) 2008, 2009, 2011 Andreas Beckmann * Copyright (C) 2009 Johannes Singler * * Distributed under the Boost Software License, Version 1.0. * (See accompanying file LICENSE_1_0.txt or copy at * http://www.boost.org/LICENSE_1_0.txt) **************************************************************************/ #ifndef STXXL_IO_REQUEST_INTERFACE_HEADER #define STXXL_IO_REQUEST_INTERFACE_HEADER #include #include #include #include STXXL_BEGIN_NAMESPACE //! \addtogroup reqlayer //! \{ class onoff_switch; //! Functional interface of a request. //! //! Since all library I/O operations are asynchronous, //! one needs to keep track of their status: //! e.g. whether an I/O operation completed or not. class request_interface : private noncopyable { public: typedef stxxl::external_size_type offset_type; typedef stxxl::internal_size_type size_type; enum request_type { READ, WRITE }; public: virtual bool add_waiter(onoff_switch* sw) = 0; virtual void delete_waiter(onoff_switch* sw) = 0; protected: virtual void notify_waiters() = 0; protected: virtual void completed(bool canceled) = 0; public: //! Suspends calling thread until completion of the request. virtual void wait(bool measure_time = true) = 0; //! Cancel a request. //! //! The request is canceled unless already being processed. //! However, cancelation cannot be guaranteed. //! Canceled requests must still be waited for in order to ensure correct operation. //! If the request was canceled successfully, the completion handler will not be called. //! \return \c true iff the request was canceled successfully virtual bool cancel() = 0; //! Polls the status of the request. //! \return \c true if request is completed, otherwise \c false virtual bool poll() = 0; //! Identifies the type of I/O implementation. //! \return pointer to null terminated string of characters, containing the name of I/O implementation virtual const char * io_type() const = 0; //! Dumps properties of a request. virtual std::ostream & print(std::ostream& out) const = 0; virtual ~request_interface() { } }; //! \} STXXL_END_NAMESPACE #endif // !STXXL_IO_REQUEST_INTERFACE_HEADER // vim: et:ts=4:sw=4