rtems/src/statustoerrno.c

0001 /* SPDX-License-Identifier: BSD-2-Clause */
0002
0003 /**
0004  * @file
0005  *
0006  * @ingroup RTEMSImplClassic
0007  *
0008  * @brief This source file contains the implementation of
0009  *   rtems_status_code_to_errno().
0010  */
0011
0012 /*  COPYRIGHT (c) 1989-2013.
0013  *  On-Line Applications Research Corporation (OAR).
0014  *
0015  * Redistribution and use in source and binary forms, with or without
0016  * modification, are permitted provided that the following conditions
0017  * are met:
0018  * 1. Redistributions of source code must retain the above copyright
0019  *    notice, this list of conditions and the following disclaimer.
0020  * 2. Redistributions in binary form must reproduce the above copyright
0021  *    notice, this list of conditions and the following disclaimer in the
0022  *    documentation and/or other materials provided with the distribution.
0023  *
0024  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
0025  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
0026  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
0027  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
0028  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
0029  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
0030  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
0031  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
0032  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
0033  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
0034  * POSSIBILITY OF SUCH DAMAGE.
0035  */
0036
0037 #include <rtems/rtems/statusimpl.h>
0038 #include <errno.h>
0039
0040 static const int status_code_to_errno [RTEMS_STATUS_CODES_LAST + 1] = {
0041   [RTEMS_SUCCESSFUL]               = 0,
0042   [RTEMS_TASK_EXITTED]             = EIO,
0043   [RTEMS_MP_NOT_CONFIGURED]        = EIO,
0044   [RTEMS_INVALID_NAME]             = EINVAL,
0045   [RTEMS_INVALID_ID]               = EIO,
0046   [RTEMS_TOO_MANY]                 = EIO,
0047   [RTEMS_TIMEOUT]                  = ETIMEDOUT,
0048   [RTEMS_OBJECT_WAS_DELETED]       = EIO,
0049   [RTEMS_INVALID_SIZE]             = EIO,
0050   [RTEMS_INVALID_ADDRESS]          = EIO,
0051   [RTEMS_INVALID_NUMBER]           = EBADF,
0052   [RTEMS_NOT_DEFINED]              = EIO,
0053   [RTEMS_RESOURCE_IN_USE]          = EBUSY,
0054   [RTEMS_UNSATISFIED]              = ENODEV,
0055   [RTEMS_INCORRECT_STATE]          = EIO,
0056   [RTEMS_ALREADY_SUSPENDED]        = EIO,
0057   [RTEMS_ILLEGAL_ON_SELF]          = EIO,
0058   [RTEMS_ILLEGAL_ON_REMOTE_OBJECT] = EIO,
0059   [RTEMS_CALLED_FROM_ISR]          = EIO,
0060   [RTEMS_INVALID_PRIORITY]         = EIO,
0061   [RTEMS_INVALID_CLOCK]            = EINVAL,
0062   [RTEMS_INVALID_NODE]             = EINVAL,
0063   [RTEMS_NOT_CONFIGURED]           = ENOSYS,
0064   [RTEMS_NOT_OWNER_OF_RESOURCE]    = EPERM,
0065   [RTEMS_NOT_IMPLEMENTED]          = ENOSYS,
0066   [RTEMS_INTERNAL_ERROR]           = EIO,
0067   [RTEMS_NO_MEMORY]                = ENOMEM,
0068   [RTEMS_IO_ERROR]                 = EIO,
0069   [RTEMS_INTERRUPTED]              = EINTR,
0070   [RTEMS_PROXY_BLOCKING]           = EIO
0071 };
0072
0073 int rtems_status_code_to_errno(rtems_status_code sc)
0074 {
0075   if (sc == RTEMS_SUCCESSFUL) {
0076     return 0;
0077   } else {
0078     int eno = EINVAL;
0079
0080     if ((unsigned) sc <= RTEMS_STATUS_CODES_LAST) {
0081       eno = status_code_to_errno [sc];
0082     }
0083
0084     errno = eno;
0085
0086     return -1;
0087   }
0088 }