diff options
Diffstat (limited to 'nuttx/include/errno.h')
-rw-r--r-- | nuttx/include/errno.h | 369 |
1 files changed, 369 insertions, 0 deletions
diff --git a/nuttx/include/errno.h b/nuttx/include/errno.h new file mode 100644 index 000000000..ba4dcbd04 --- /dev/null +++ b/nuttx/include/errno.h @@ -0,0 +1,369 @@ +/************************************************************************ + * include/errno.h + * + * Copyright (C) 2007-2009, 2011 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt <gnutt@nuttx.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************/ + +#ifndef __INCLUDE_ERRNO_H +#define __INCLUDE_ERRNO_H + +/************************************************************************ + * Included Files + ************************************************************************/ + +#include <nuttx/compiler.h> + +/************************************************************************ + * Definitions + ************************************************************************/ + +/* Convenience/compatibility definition. + * + * For a flat, all kernel-mode build, the error can be read and written + * from all code using a simple pointer. + */ + +#ifndef CONFIG_NUTTX_KERNEL + +# define errno *get_errno_ptr() +# define set_errno(e) do { errno = (int)(e); } while (0) +# define get_errno(e) errno + +#else + +/* We doing separate user-/kernel-mode builds, then the errno has to be + * a little differently. In kernel-mode, the TCB errno value can still be + * read and written using a pointer. + */ + +#ifdef __KERNEL__ +# define errno *get_errno_ptr() +#else + +/* But in user-mode, the errno can only be read using the name 'errno'. + * The non-standard API set_errno() must be explicity be used from user- + * mode code in order to set the errno value. + */ + +# define errno get_errno() + +#endif /* __KERNEL__ */ +#endif /* CONFIG_NUTTX_KERNEL */ + +/* Definitions of error numbers and the string that would be + * returned by strerror(). + */ + +#define EPERM 1 +#define EPERM_STR "Operation not permitted" +#define ENOENT 2 +#define ENOENT_STR "No such file or directory" +#define ESRCH 3 +#define ESRCH_STR "No such process" +#define EINTR 4 +#define EINTR_STR "Interrupted system call" +#define EIO 5 +#define EIO_STR "I/O error" +#define ENXIO 6 +#define ENXIO_STR "No such device or address" +#define E2BIG 7 +#define E2BIG_STR "Arg list too long" +#define ENOEXEC 8 +#define ENOEXEC_STR "Exec format error" +#define EBADF 9 +#define EBADF_STR "Bad file number" +#define ECHILD 10 +#define ECHILD_STR "No child processes" +#define EAGAIN 11 +#define EWOULDBLOCK EAGAIN +#define EAGAIN_STR "Try again" +#define ENOMEM 12 +#define ENOMEM_STR "Out of memory" +#define EACCES 13 +#define EACCES_STR "Permission denied" +#define EFAULT 14 +#define EFAULT_STR "Bad address" +#define ENOTBLK 15 +#define ENOTBLK_STR "Block device required" +#define EBUSY 16 +#define EBUSY_STR "Device or resource busy" +#define EEXIST 17 +#define EEXIST_STR "File exists" +#define EXDEV 18 +#define EXDEV_STR "Cross-device link" +#define ENODEV 19 +#define ENODEV_STR "No such device" +#define ENOTDIR 20 +#define ENOTDIR_STR "Not a directory" +#define EISDIR 21 +#define EISDIR_STR "Is a directory" +#define EINVAL 22 +#define EINVAL_STR "Invalid argument" +#define ENFILE 23 +#define ENFILE_STR "File table overflow" +#define EMFILE 24 +#define EMFILE_STR "Too many open files" +#define ENOTTY 25 +#define ENOTTY_STR "Not a typewriter" +#define ETXTBSY 26 +#define ETXTBSY_STR "Text file busy" +#define EFBIG 27 +#define EFBIG_STR "File too large" +#define ENOSPC 28 +#define ENOSPC_STR "No space left on device" +#define ESPIPE 29 +#define ESPIPE_STR "Illegal seek" +#define EROFS 30 +#define EROFS_STR "Read-only file system" +#define EMLINK 31 +#define EMLINK_STR "Too many links" +#define EPIPE 32 +#define EPIPE_STR "Broken pipe" +#define EDOM 33 +#define EDOM_STR "Math argument out of domain of func" +#define ERANGE 34 +#define ERANGE_STR "Math result not representable" +#define EDEADLK 35 +#define EDEADLOCK EDEADLK +#define EDEADLK_STR "Resource deadlock would occur" +#define ENAMETOOLONG 36 +#define ENAMETOOLONG_STR "File name too long" +#define ENOLCK 37 +#define ENOLCK_STR "No record locks available" +#define ENOSYS 38 +#define ENOSYS_STR "Function not implemented" +#define ENOTEMPTY 39 +#define ENOTEMPTY_STR "Directory not empty" +#define ELOOP 40 +#define ELOOP_STR "Too many symbolic links encountered" +#define ENOMSG 42 +#define ENOMSG_STR "No message of desired type" +#define EIDRM 43 +#define EIDRM_STR "Identifier removed" +#define ECHRNG 44 +#define ECHRNG_STR "Channel number out of range" +#define EL2NSYNC 45 +#define EL2NSYNC_STR "Level 2 not synchronized" +#define EL3HLT 46 +#define EL3HLT_STR "Level 3 halted" +#define EL3RST 47 +#define EL3RST_STR "Level 3 reset" +#define ELNRNG 48 +#define ELNRNG_STR "Link number out of range" +#define EUNATCH 49 +#define EUNATCH_STR "Protocol driver not attached" +#define ENOCSI 50 +#define ENOCSI_STR "No CSI structure available" +#define EL2HLT 51 +#define EL2HLT_STR "Level 2 halted" +#define EBADE 52 +#define EBADE_STR "Invalid exchange" +#define EBADR 53 +#define EBADR_STR "Invalid request descriptor" +#define EXFULL 54 +#define EXFULL_STR "Exchange full" +#define ENOANO 55 +#define ENOANO_STR "No anode" +#define EBADRQC 56 +#define EBADRQC_STR "Invalid request code" +#define EBADSLT 57 +#define EBADSLT_STR "Invalid slot" +#define EBFONT 59 +#define EBFONT_STR "Bad font file format" +#define ENOSTR 60 +#define ENOSTR_STR "Device not a stream" +#define ENODATA 61 +#define ENODATA_STR "No data available" +#define ETIME 62 +#define ETIME_STR "Timer expired" +#define ENOSR 63 +#define ENOSR_STR "Out of streams resources" +#define ENONET 64 +#define ENONET_STR "Machine is not on the network" +#define ENOPKG 65 +#define ENOPKG_STR "Package not installed" +#define EREMOTE 66 +#define EREMOTE_STR "Object is remote" +#define ENOLINK 67 +#define ENOLINK_STR "Link has been severed" +#define EADV 68 +#define EADV_STR "Advertise error" +#define ESRMNT 69 +#define ESRMNT_STR "Srmount error" +#define ECOMM 70 +#define ECOMM_STR "Communication error on send" +#define EPROTO 71 +#define EPROTO_STR "Protocol error" +#define EMULTIHOP 72 +#define EMULTIHOP_STR "Multihop attempted" +#define EDOTDOT 73 +#define EDOTDOT_STR "RFS specific error" +#define EBADMSG 74 +#define EBADMSG_STR "Not a data message" +#define EOVERFLOW 75 +#define EOVERFLOW_STR "Value too large for defined data type" +#define ENOTUNIQ 76 +#define ENOTUNIQ_STR "Name not unique on network" +#define EBADFD 77 +#define EBADFD_STR "File descriptor in bad state" +#define EREMCHG 78 +#define EREMCHG_STR "Remote address changed" +#define ELIBACC 79 +#define ELIBACC_STR "Can not access a needed shared library" +#define ELIBBAD 80 +#define ELIBBAD_STR "Accessing a corrupted shared library" +#define ELIBSCN 81 +#define ELIBSCN_STR ".lib section in a.out corrupted" +#define ELIBMAX 82 +#define ELIBMAX_STR "Attempting to link in too many shared libraries" +#define ELIBEXEC 83 +#define ELIBEXEC_STR "Cannot exec a shared library directly" +#define EILSEQ 84 +#define EILSEQ_STR "Illegal byte sequence" +#define ERESTART 85 +#define ERESTART_STR "Interrupted system call should be restarted" +#define ESTRPIPE 86 +#define ESTRPIPE_STR "Streams pipe error" +#define EUSERS 87 +#define EUSERS_STR "Too many users" +#define ENOTSOCK 88 +#define ENOTSOCK_STR "Socket operation on non-socket" +#define EDESTADDRREQ 89 +#define EDESTADDRREQ_STR "Destination address required" +#define EMSGSIZE 90 +#define EMSGSIZE_STR "Message too long" +#define EPROTOTYPE 91 +#define EPROTOTYPE_STR "Protocol wrong type for socket" +#define ENOPROTOOPT 92 +#define ENOPROTOOPT_STR "Protocol not available" +#define EPROTONOSUPPORT 93 +#define EPROTONOSUPPORT_STR "Protocol not supported" +#define ESOCKTNOSUPPORT 94 +#define ESOCKTNOSUPPORT_STR "Socket type not supported" +#define EOPNOTSUPP 95 +#define EOPNOTSUPP_STR "Operation not supported on transport endpoint" +#define EPFNOSUPPORT 96 +#define EPFNOSUPPORT_STR "Protocol family not supported" +#define EAFNOSUPPORT 97 +#define EAFNOSUPPORT_STR "Address family not supported by protocol" +#define EADDRINUSE 98 +#define EADDRINUSE_STR "Address already in use" +#define EADDRNOTAVAIL 99 +#define EADDRNOTAVAIL_STR "Cannot assign requested address" +#define ENETDOWN 100 +#define ENETDOWN_STR "Network is down" +#define ENETUNREACH 101 +#define ENETUNREACH_STR "Network is unreachable" +#define ENETRESET 102 +#define ENETRESET_STR "Network dropped connection because of reset" +#define ECONNABORTED 103 +#define ECONNABORTED_STR "Software caused connection abort" +#define ECONNRESET 104 +#define ECONNRESET_STR "Connection reset by peer" +#define ENOBUFS 105 +#define ENOBUFS_STR "No buffer space available" +#define EISCONN 106 +#define EISCONN_STR "Transport endpoint is already connected" +#define ENOTCONN 107 +#define ENOTCONN_STR "Transport endpoint is not connected" +#define ESHUTDOWN 108 +#define ESHUTDOWN_STR "Cannot send after transport endpoint shutdown" +#define ETOOMANYREFS 109 +#define ETOOMANYREFS_STR "Too many references: cannot splice" +#define ETIMEDOUT 110 +#define ETIMEDOUT_STR "Connection timed out" +#define ECONNREFUSED 111 +#define ECONNREFUSED_STR "Connection refused" +#define EHOSTDOWN 112 +#define EHOSTDOWN_STR "Host is down" +#define EHOSTUNREACH 113 +#define EHOSTUNREACH_STR "No route to host" +#define EALREADY 114 +#define EALREADY_STR "Operation already in progress" +#define EINPROGRESS 115 +#define EINPROGRESS_STR "Operation now in progress" +#define ESTALE 116 +#define ESTALE_STR "Stale NFS file handle" +#define EUCLEAN 117 +#define EUCLEAN_STR "Structure needs cleaning" +#define ENOTNAM 118 +#define ENOTNAM_STR "Not a XENIX named type file" +#define ENAVAIL 119 +#define ENAVAIL_STR "No XENIX semaphores available" +#define EISNAM 120 +#define EISNAM_STR "Is a named type file" +#define EREMOTEIO 121 +#define EREMOTEIO_STR "Remote I/O error" +#define EDQUOT 122 +#define EDQUOT_STR "Quota exceeded" +#define ENOMEDIUM 123 +#define ENOMEDIUM_STR "No medium found" +#define EMEDIUMTYPE 124 +#define EMEDIUMTYPE_STR "Wrong medium type" + +/************************************************************************ + * Type Declarations + ************************************************************************/ + +/************************************************************************ + * Global Function Prototypes + ************************************************************************/ + +#undef EXTERN +#if defined(__cplusplus) +#define EXTERN extern "C" +extern "C" { +#else +#define EXTERN extern +#endif + +/* Return a pointer to the thread specific errno. NOTE: When doing a + * kernel-/user-mode build, this function can only be used within the + * kernel-mode space. + * + * In the user-mode space, set_errno() and get_errno() are always available, + * either as macros or via syscalls. + */ + +EXTERN FAR int *get_errno_ptr(void); + +#ifdef CONFIG_NUTTX_KERNEL +EXTERN void set_errno(int errcode); +EXTERN int get_errno(void); +#endif + +#undef EXTERN +#if defined(__cplusplus) +} +#endif + +#endif /* __INCLUDE_ERRNO_H */ |