sortix-mirror/kernel/include/sortix/kernel/ioctx.h

47 lines
1.4 KiB
C++

/*
* Copyright (c) 2012, 2014 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* sortix/kernel/ioctx.h
* The context for io operations: who made it, how should data be copied, etc.
*/
#ifndef _INCLUDE_SORTIX_KERNEL_IOCTX_H
#define _INCLUDE_SORTIX_KERNEL_IOCTX_H
#include <sys/types.h>
#include <stdint.h>
namespace Sortix {
struct ioctx_struct
{
uid_t uid, auth_uid;
gid_t gid, auth_gid;
bool (*copy_to_dest)(void* dest, const void* src, size_t n);
bool (*copy_from_src)(void* dest, const void* src, size_t n);
bool (*zero_dest)(void* dest, size_t n);
int dflags;
};
typedef struct ioctx_struct ioctx_t;
void SetupUserIOCtx(ioctx_t* ctx);
void SetupKernelIOCtx(ioctx_t* ctx);
} // namespace Sortix
#endif