/tmp/l4check/full_tree/trunk/l4/pkg/l4vfs/idl/common_io.idl

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/* -*- c -*- */
/* (c) 2004 Technische Universitaet Dresden
 * This file is part of DROPS, which is distributed under the terms of the
 * GNU General Public License 2. Please see the COPYING file for details.
 */
import <l4/sys/types.h>
import <l4/l4vfs/types.h>

#pragma force-include
#include <l4/l4vfs/comm_defs.h>

library l4vfs
{
    [uuid(51), abstract]
    interface common_io
    {
        [allow_reply_only]
        l4vfs_ssize_t read([in] object_handle_t handle,
                           [out, size_is(count), ref, prealloc_client,
                           prealloc_server] char **buf,
                           [in, out] l4vfs_size_t *count);
        [allow_reply_only]
        l4vfs_ssize_t write([in] object_handle_t handle,
                            [in, /*prealloc_server,*/ ref, size_is(count),
                             max_is(L4VFS_WRITE_RCVBUF_SIZE)] char *buf,
                            [in, out] l4vfs_size_t *count);
        l4_int32_t    close([in] object_handle_t handle);

        l4_int32_t    ioctl([in] object_handle_t handle,
                            [in] int cmd,
                            [in, out, prealloc_client, ref, size_is(count)]
                            char **arg,
                            [in, out] l4vfs_size_t *count );

        l4_int32_t    fcntl([in] object_handle_t handle,
                            [in] int cmd,
                            [in, out] long *arg);
    };
};

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