Files
foc/l4/pkg/l4sys/include/err.h
2013-01-11 17:00:47 +01:00

71 lines
2.5 KiB
C

/**
* \file
* \brief Error codes.
*/
/*
* (c) 2008-2009 Adam Lackorzynski <adam@os.inf.tu-dresden.de>,
* Alexander Warg <warg@os.inf.tu-dresden.de>
* economic rights: Technische Universität Dresden (Germany)
*
* This file is part of TUD:OS and distributed under the terms of the
* GNU General Public License 2.
* Please see the COPYING-GPL-2 file for details.
*
* As a special exception, you may use this file as part of a free software
* library without restriction. Specifically, if other files instantiate
* templates or use macros or inline functions from this file, or you compile
* this file and link it with other files to produce an executable, this
* file does not by itself cause the resulting executable to be covered by
* the GNU General Public License. This exception does not however
* invalidate any other reasons why the executable file might be covered by
* the GNU General Public License.
*/
#pragma once
#include <l4/sys/compiler.h>
/**
* \defgroup l4_error_api Error codes
* \brief Common error codes.
* \ingroup l4_api
*
* <c>\#include <l4/sys/err.h></c>
*/
/**
* \brief L4 error codes.
* \ingroup l4_error_api
*
* Those error codes are used by both the kernel and the user programs.
*/
enum l4_error_code_t
{
L4_EOK = 0, /**< \brief Ok. */
L4_EPERM = 1, /**< \brief No permission. */
L4_ENOENT = 2, /**< \brief No such entity. */
L4_EIO = 5, /**< \brief I/O error. */
L4_EAGAIN = 11, /**< \brief Try again. */
L4_ENOMEM = 12, /**< \brief No memory. */
L4_EACCESS = 13, /**< \brief Permission denied. */
L4_EBUSY = 16, /**< \brief Object currently busy, try later. */
L4_EEXIST = 17, /**< \brief Already exists. */
L4_ENODEV = 19, /**< \brief No such thing. */
L4_EINVAL = 22, /**< \brief Invalid argument. */
L4_ERANGE = 34, /**< \brief Range error. */
L4_ENAMETOOLONG = 36, /**< \brief Name too long. */
L4_ENOSYS = 38, /**< \brief No sys. */
L4_EBADPROTO = 39, /**< \brief Unsupported protocol. */
L4_EADDRNOTAVAIL = 99, /**< \brief Address not available. */
L4_ERRNOMAX = 100, /**< \brief Maximum error value. */
L4_ENOREPLY = 1000, /**< \brief No reply. */
L4_EIPC_LO = 2000, /**< \brief Communication error-range low. */
L4_EIPC_HI = 2000 + 0x1f, /**< \brief Communication error-range high. */
};
__BEGIN_DECLS
L4_CV char const *l4sys_errtostr(long err) L4_NOTHROW;
__END_DECLS