4.115
Last change
on this file since 037cfd1 was
ae75429,
checked in by Sebastian Huber <sebastian.huber@…>, on 08/06/13 at 14:10:26
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PR766: Delete RTEMS_VIOLATE_KERNEL_VISIBILITY
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Property mode set to
100644
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File size:
1.4 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Newlib Support |
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5 | * @ingroup libcsupport |
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6 | */ |
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7 | |
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8 | /* |
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9 | * COPYRIGHT (c) 1994 by Division Incorporated |
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10 | * |
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11 | * The license and distribution terms for this file may be |
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12 | * found in the file LICENSE in this distribution or at |
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13 | * http://www.rtems.com/license/LICENSE. |
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14 | * |
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15 | */ |
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16 | |
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17 | #if HAVE_CONFIG_H |
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18 | #include "config.h" |
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19 | #endif |
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20 | |
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21 | #include <rtems.h> |
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22 | |
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23 | #if defined(RTEMS_NEWLIB) |
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24 | |
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25 | #include <sys/reent.h> |
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26 | #include <stdlib.h> |
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27 | #include <string.h> |
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28 | |
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29 | #include <rtems/libcsupport.h> |
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30 | #include <rtems/score/threadimpl.h> |
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31 | #include <rtems/score/wkspace.h> |
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32 | |
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33 | bool newlib_create_hook( |
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34 | rtems_tcb *current_task __attribute__((unused)), |
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35 | rtems_tcb *creating_task |
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36 | ) |
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37 | { |
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38 | struct _reent *ptr; |
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39 | bool ok; |
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40 | |
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41 | #if !defined(__DYNAMIC_REENT__) |
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42 | if (_Thread_libc_reent == 0) |
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43 | { |
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44 | _REENT = _GLOBAL_REENT; |
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45 | |
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46 | _Thread_Set_libc_reent (&_REENT); |
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47 | } |
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48 | #endif |
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49 | |
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50 | /* It is OK to allocate from the workspace because these |
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51 | * hooks run with thread dispatching disabled. |
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52 | */ |
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53 | ptr = (struct _reent *) _Workspace_Allocate(sizeof(*ptr)); |
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54 | creating_task->libc_reent = ptr; |
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55 | ok = ptr != NULL; |
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56 | |
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57 | if (ok) { |
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58 | _REENT_INIT_PTR((ptr)); /* GCC extension: structure constants */ |
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59 | } |
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60 | |
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61 | return ok; |
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62 | } |
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63 | |
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64 | void newlib_delete_hook( |
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65 | rtems_tcb *current_task, |
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66 | rtems_tcb *deleted_task |
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67 | ) |
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68 | { |
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69 | struct _reent *ptr; |
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70 | |
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71 | ptr = deleted_task->libc_reent; |
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72 | deleted_task->libc_reent = NULL; |
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73 | |
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74 | _reclaim_reent(ptr); |
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75 | _Workspace_Free(ptr); |
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76 | } |
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77 | |
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78 | #endif |
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