1 | /** |
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2 | * @file |
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3 | * |
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4 | * @ingroup rtems_bsd_rtems |
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5 | * |
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6 | * @brief TODO. |
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7 | */ |
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8 | |
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9 | /* |
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10 | * Copyright (c) 2010 embedded brains GmbH. All rights reserved. |
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11 | * |
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12 | * embedded brains GmbH |
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13 | * Obere Lagerstr. 30 |
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14 | * 82178 Puchheim |
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15 | * Germany |
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16 | * <rtems@embedded-brains.de> |
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17 | * |
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18 | * Redistribution and use in source and binary forms, with or without |
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19 | * modification, are permitted provided that the following conditions |
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20 | * are met: |
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21 | * 1. Redistributions of source code must retain the above copyright |
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22 | * notice, this list of conditions and the following disclaimer. |
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23 | * 2. Redistributions in binary form must reproduce the above copyright |
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24 | * notice, this list of conditions and the following disclaimer in the |
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25 | * documentation and/or other materials provided with the distribution. |
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26 | * |
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27 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
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28 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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29 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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30 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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31 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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32 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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33 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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34 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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35 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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36 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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37 | * SUCH DAMAGE. |
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38 | */ |
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39 | |
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40 | #include <machine/rtems-bsd-kernel-space.h> |
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41 | #include <machine/rtems-bsd-syscall-api.h> |
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42 | |
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43 | #include <sys/types.h> |
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44 | #include <sys/sysctl.h> |
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45 | #include <sys/errno.h> |
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46 | #include <string.h> |
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47 | |
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48 | int sysctl( |
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49 | const int *name, |
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50 | u_int namelen, |
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51 | void *oldp, |
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52 | size_t *oldlenp, |
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53 | const void *newp, |
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54 | size_t newlen |
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55 | ) |
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56 | { |
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57 | int eno = EINVAL; |
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58 | |
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59 | if (namelen <= CTL_MAXNAME) { |
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60 | int namedup [CTL_MAXNAME]; |
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61 | |
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62 | memcpy(namedup, name, namelen * sizeof(*name)); |
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63 | |
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64 | eno = kernel_sysctl( |
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65 | NULL, |
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66 | namedup, |
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67 | namelen, |
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68 | oldp, |
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69 | oldlenp, |
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70 | newp, |
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71 | newlen, |
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72 | oldlenp, |
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73 | 0 |
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74 | ); |
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75 | } |
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76 | |
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77 | if (eno == 0) { |
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78 | return 0; |
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79 | } else { |
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80 | errno = eno; |
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81 | |
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82 | return -1; |
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83 | } |
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84 | } |
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