370 lines
14 KiB
C
370 lines
14 KiB
C
/************************************************************************
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* include/errno.h
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*
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* Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************/
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#ifndef __INCLUDE_ERRNO_H
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#define __INCLUDE_ERRNO_H
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/************************************************************************
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* Included Files
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************************************************************************/
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#include <nuttx/compiler.h>
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/************************************************************************
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* Definitions
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************************************************************************/
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/* Convenience/compatibility definition.
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*
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* For a flat, all kernel-mode build, the error can be read and written
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* from all code using a simple pointer.
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*/
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#ifndef CONFIG_NUTTX_KERNEL
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# define errno *get_errno_ptr()
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# define set_errno(e) do { errno = (int)(e); } while (0)
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# define get_errno(e) errno
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#else
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/* We doing separate user-/kernel-mode builds, then the errno has to be
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* a little differently. In kernel-mode, the TCB errno value can still be
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* read and written using a pointer.
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*/
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#ifdef __KERNEL__
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# define errno *get_errno_ptr()
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#else
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/* But in user-mode, the errno can only be read using the name 'errno'.
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* The non-standard API set_errno() must be explicity be used from user-
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* mode code in order to set the errno value.
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*/
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# define errno get_errno()
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#endif /* __KERNEL__ */
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#endif /* CONFIG_NUTTX_KERNEL */
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/* Definitions of error numbers and the string that would be
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* returned by strerror().
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*/
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#define EPERM 1
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#define EPERM_STR "Operation not permitted"
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#define ENOENT 2
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#define ENOENT_STR "No such file or directory"
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#define ESRCH 3
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#define ESRCH_STR "No such process"
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#define EINTR 4
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#define EINTR_STR "Interrupted system call"
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#define EIO 5
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#define EIO_STR "I/O error"
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#define ENXIO 6
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#define ENXIO_STR "No such device or address"
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#define E2BIG 7
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#define E2BIG_STR "Arg list too long"
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#define ENOEXEC 8
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#define ENOEXEC_STR "Exec format error"
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#define EBADF 9
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#define EBADF_STR "Bad file number"
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#define ECHILD 10
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#define ECHILD_STR "No child processes"
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#define EAGAIN 11
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#define EWOULDBLOCK EAGAIN
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#define EAGAIN_STR "Try again"
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#define ENOMEM 12
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#define ENOMEM_STR "Out of memory"
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#define EACCES 13
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#define EACCES_STR "Permission denied"
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#define EFAULT 14
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#define EFAULT_STR "Bad address"
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#define ENOTBLK 15
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#define ENOTBLK_STR "Block device required"
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#define EBUSY 16
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#define EBUSY_STR "Device or resource busy"
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#define EEXIST 17
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#define EEXIST_STR "File exists"
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#define EXDEV 18
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#define EXDEV_STR "Cross-device link"
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#define ENODEV 19
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#define ENODEV_STR "No such device"
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#define ENOTDIR 20
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#define ENOTDIR_STR "Not a directory"
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#define EISDIR 21
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#define EISDIR_STR "Is a directory"
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#define EINVAL 22
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#define EINVAL_STR "Invalid argument"
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#define ENFILE 23
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#define ENFILE_STR "File table overflow"
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#define EMFILE 24
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#define EMFILE_STR "Too many open files"
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#define ENOTTY 25
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#define ENOTTY_STR "Not a typewriter"
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#define ETXTBSY 26
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#define ETXTBSY_STR "Text file busy"
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#define EFBIG 27
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#define EFBIG_STR "File too large"
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#define ENOSPC 28
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#define ENOSPC_STR "No space left on device"
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#define ESPIPE 29
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#define ESPIPE_STR "Illegal seek"
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#define EROFS 30
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#define EROFS_STR "Read-only file system"
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#define EMLINK 31
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#define EMLINK_STR "Too many links"
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#define EPIPE 32
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#define EPIPE_STR "Broken pipe"
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#define EDOM 33
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#define EDOM_STR "Math argument out of domain of func"
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#define ERANGE 34
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#define ERANGE_STR "Math result not representable"
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#define EDEADLK 35
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#define EDEADLOCK EDEADLK
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#define EDEADLK_STR "Resource deadlock would occur"
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#define ENAMETOOLONG 36
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#define ENAMETOOLONG_STR "File name too long"
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#define ENOLCK 37
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#define ENOLCK_STR "No record locks available"
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#define ENOSYS 38
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#define ENOSYS_STR "Function not implemented"
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#define ENOTEMPTY 39
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#define ENOTEMPTY_STR "Directory not empty"
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#define ELOOP 40
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#define ELOOP_STR "Too many symbolic links encountered"
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#define ENOMSG 42
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#define ENOMSG_STR "No message of desired type"
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#define EIDRM 43
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#define EIDRM_STR "Identifier removed"
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#define ECHRNG 44
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#define ECHRNG_STR "Channel number out of range"
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#define EL2NSYNC 45
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#define EL2NSYNC_STR "Level 2 not synchronized"
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#define EL3HLT 46
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#define EL3HLT_STR "Level 3 halted"
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#define EL3RST 47
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#define EL3RST_STR "Level 3 reset"
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#define ELNRNG 48
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#define ELNRNG_STR "Link number out of range"
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#define EUNATCH 49
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#define EUNATCH_STR "Protocol driver not attached"
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#define ENOCSI 50
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#define ENOCSI_STR "No CSI structure available"
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#define EL2HLT 51
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#define EL2HLT_STR "Level 2 halted"
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#define EBADE 52
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#define EBADE_STR "Invalid exchange"
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#define EBADR 53
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#define EBADR_STR "Invalid request descriptor"
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#define EXFULL 54
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#define EXFULL_STR "Exchange full"
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#define ENOANO 55
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#define ENOANO_STR "No anode"
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#define EBADRQC 56
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#define EBADRQC_STR "Invalid request code"
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#define EBADSLT 57
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#define EBADSLT_STR "Invalid slot"
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#define EBFONT 59
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#define EBFONT_STR "Bad font file format"
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#define ENOSTR 60
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#define ENOSTR_STR "Device not a stream"
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#define ENODATA 61
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#define ENODATA_STR "No data available"
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#define ETIME 62
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#define ETIME_STR "Timer expired"
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#define ENOSR 63
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#define ENOSR_STR "Out of streams resources"
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#define ENONET 64
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#define ENONET_STR "Machine is not on the network"
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#define ENOPKG 65
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#define ENOPKG_STR "Package not installed"
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#define EREMOTE 66
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#define EREMOTE_STR "Object is remote"
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#define ENOLINK 67
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#define ENOLINK_STR "Link has been severed"
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#define EADV 68
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#define EADV_STR "Advertise error"
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#define ESRMNT 69
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#define ESRMNT_STR "Srmount error"
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#define ECOMM 70
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#define ECOMM_STR "Communication error on send"
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#define EPROTO 71
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#define EPROTO_STR "Protocol error"
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#define EMULTIHOP 72
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#define EMULTIHOP_STR "Multihop attempted"
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#define EDOTDOT 73
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#define EDOTDOT_STR "RFS specific error"
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#define EBADMSG 74
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#define EBADMSG_STR "Not a data message"
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#define EOVERFLOW 75
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#define EOVERFLOW_STR "Value too large for defined data type"
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#define ENOTUNIQ 76
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#define ENOTUNIQ_STR "Name not unique on network"
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#define EBADFD 77
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#define EBADFD_STR "File descriptor in bad state"
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#define EREMCHG 78
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#define EREMCHG_STR "Remote address changed"
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#define ELIBACC 79
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#define ELIBACC_STR "Can not access a needed shared library"
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#define ELIBBAD 80
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#define ELIBBAD_STR "Accessing a corrupted shared library"
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#define ELIBSCN 81
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#define ELIBSCN_STR ".lib section in a.out corrupted"
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#define ELIBMAX 82
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#define ELIBMAX_STR "Attempting to link in too many shared libraries"
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#define ELIBEXEC 83
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#define ELIBEXEC_STR "Cannot exec a shared library directly"
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#define EILSEQ 84
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#define EILSEQ_STR "Illegal byte sequence"
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#define ERESTART 85
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#define ERESTART_STR "Interrupted system call should be restarted"
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#define ESTRPIPE 86
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#define ESTRPIPE_STR "Streams pipe error"
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#define EUSERS 87
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#define EUSERS_STR "Too many users"
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#define ENOTSOCK 88
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#define ENOTSOCK_STR "Socket operation on non-socket"
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#define EDESTADDRREQ 89
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#define EDESTADDRREQ_STR "Destination address required"
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#define EMSGSIZE 90
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#define EMSGSIZE_STR "Message too long"
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#define EPROTOTYPE 91
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#define EPROTOTYPE_STR "Protocol wrong type for socket"
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#define ENOPROTOOPT 92
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#define ENOPROTOOPT_STR "Protocol not available"
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#define EPROTONOSUPPORT 93
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#define EPROTONOSUPPORT_STR "Protocol not supported"
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#define ESOCKTNOSUPPORT 94
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#define ESOCKTNOSUPPORT_STR "Socket type not supported"
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#define EOPNOTSUPP 95
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#define EOPNOTSUPP_STR "Operation not supported on transport endpoint"
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#define EPFNOSUPPORT 96
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#define EPFNOSUPPORT_STR "Protocol family not supported"
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#define EAFNOSUPPORT 97
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#define EAFNOSUPPORT_STR "Address family not supported by protocol"
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#define EADDRINUSE 98
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#define EADDRINUSE_STR "Address already in use"
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#define EADDRNOTAVAIL 99
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#define EADDRNOTAVAIL_STR "Cannot assign requested address"
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#define ENETDOWN 100
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#define ENETDOWN_STR "Network is down"
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#define ENETUNREACH 101
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#define ENETUNREACH_STR "Network is unreachable"
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#define ENETRESET 102
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#define ENETRESET_STR "Network dropped connection because of reset"
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#define ECONNABORTED 103
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#define ECONNABORTED_STR "Software caused connection abort"
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#define ECONNRESET 104
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#define ECONNRESET_STR "Connection reset by peer"
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#define ENOBUFS 105
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#define ENOBUFS_STR "No buffer space available"
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#define EISCONN 106
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#define EISCONN_STR "Transport endpoint is already connected"
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#define ENOTCONN 107
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#define ENOTCONN_STR "Transport endpoint is not connected"
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#define ESHUTDOWN 108
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#define ESHUTDOWN_STR "Cannot send after transport endpoint shutdown"
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#define ETOOMANYREFS 109
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#define ETOOMANYREFS_STR "Too many references: cannot splice"
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#define ETIMEDOUT 110
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#define ETIMEDOUT_STR "Connection timed out"
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#define ECONNREFUSED 111
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#define ECONNREFUSED_STR "Connection refused"
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#define EHOSTDOWN 112
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#define EHOSTDOWN_STR "Host is down"
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#define EHOSTUNREACH 113
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#define EHOSTUNREACH_STR "No route to host"
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#define EALREADY 114
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#define EALREADY_STR "Operation already in progress"
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#define EINPROGRESS 115
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#define EINPROGRESS_STR "Operation now in progress"
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#define ESTALE 116
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#define ESTALE_STR "Stale NFS file handle"
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#define EUCLEAN 117
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#define EUCLEAN_STR "Structure needs cleaning"
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#define ENOTNAM 118
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#define ENOTNAM_STR "Not a XENIX named type file"
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#define ENAVAIL 119
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#define ENAVAIL_STR "No XENIX semaphores available"
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#define EISNAM 120
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#define EISNAM_STR "Is a named type file"
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#define EREMOTEIO 121
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#define EREMOTEIO_STR "Remote I/O error"
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#define EDQUOT 122
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#define EDQUOT_STR "Quota exceeded"
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#define ENOMEDIUM 123
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#define ENOMEDIUM_STR "No medium found"
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#define EMEDIUMTYPE 124
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#define EMEDIUMTYPE_STR "Wrong medium type"
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/************************************************************************
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* Type Declarations
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************************************************************************/
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/************************************************************************
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* Global Function Prototypes
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************************************************************************/
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#undef EXTERN
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#if defined(__cplusplus)
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/* Return a pointer to the thread specific errno. NOTE: When doing a
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* kernel-/user-mode build, this function can only be used within the
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* kernel-mode space.
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*
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* In the user-mode space, set_errno() and get_errno() are always available,
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* either as macros or via syscalls.
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*/
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EXTERN FAR int *get_errno_ptr(void);
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#ifdef CONFIG_NUTTX_KERNEL
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EXTERN void set_errno(int errcode);
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EXTERN int get_errno(void);
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#endif
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#undef EXTERN
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#if defined(__cplusplus)
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}
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#endif
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#endif /* __INCLUDE_ERRNO_H */
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