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Member "fuse-3.2.3/example/ioctl.h" (11 May 2018, 925 Bytes) of package /linux/misc/fuse-3.2.3.tar.xz:


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    1 /*
    2   FUSE-ioctl: ioctl support for FUSE
    3   Copyright (C) 2008       SUSE Linux Products GmbH
    4   Copyright (C) 2008       Tejun Heo <teheo@suse.de>
    5 
    6   This program can be distributed under the terms of the GNU GPL.
    7   See the file COPYING.
    8 */
    9 
   10 /** @file
   11  * @tableofcontents
   12  *
   13  * Header file to share definitions between the ioctl.c example file
   14  * system and the ioctl_client.c test program.
   15  *
   16  * \include ioctl.h
   17  */
   18 
   19 
   20 #include <sys/types.h>
   21 #include <sys/uio.h>
   22 #include <sys/ioctl.h>
   23 
   24 enum {
   25     FIOC_GET_SIZE   = _IOR('E', 0, size_t),
   26     FIOC_SET_SIZE   = _IOW('E', 1, size_t),
   27 
   28     /*
   29      * The following two ioctls don't follow usual encoding rules
   30      * and transfer variable amount of data.
   31      */
   32     FIOC_READ   = _IO('E', 2),
   33     FIOC_WRITE  = _IO('E', 3),
   34 };
   35 
   36 struct fioc_rw_arg {
   37     off_t       offset;
   38     void        *buf;
   39     size_t      size;
   40     size_t      prev_size;  /* out param for previous total size */
   41     size_t      new_size;   /* out param for new total size */
   42 };