4.115
Last change
on this file since aeba445 was
aeba445,
checked in by Sebastian Huber <sebastian.huber@…>, on 04/24/13 at 07:38:00
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libcsupport: Remove superfluous assignments
Remove superfluous declaractions, defines, comments and includes.
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-
Property mode set to
100644
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File size:
1.8 KB
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Line | |
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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 | #define __RTEMS_VIOLATE_KERNEL_VISIBILITY__ |
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22 | #include <rtems.h> |
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23 | |
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24 | #if defined(RTEMS_NEWLIB) |
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25 | |
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26 | #include <sys/reent.h> |
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27 | #include <stdlib.h> |
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28 | #include <stdio.h> |
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29 | |
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30 | #include <rtems/libcsupport.h> |
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31 | |
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32 | int _fwalk(struct _reent *ptr, int (*function) (FILE *) ); |
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33 | |
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34 | bool newlib_create_hook( |
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35 | rtems_tcb *current_task __attribute__((unused)), |
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36 | rtems_tcb *creating_task |
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37 | ) |
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38 | { |
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39 | struct _reent *ptr; |
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40 | bool ok; |
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41 | |
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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 | |
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49 | /* It is OK to allocate from the workspace because these |
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50 | * hooks run with thread dispatching disabled. |
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51 | */ |
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52 | ptr = (struct _reent *) _Workspace_Allocate(sizeof(*ptr)); |
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53 | creating_task->libc_reent = ptr; |
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54 | ok = ptr != NULL; |
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55 | |
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56 | if (ok) { |
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57 | _REENT_INIT_PTR((ptr)); /* GCC extension: structure constants */ |
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58 | } |
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59 | |
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60 | return ok; |
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61 | } |
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62 | |
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63 | static int newlib_free_buffers( |
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64 | FILE *fp |
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65 | ) |
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66 | { |
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67 | switch ( fileno(fp) ) { |
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68 | case 0: |
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69 | case 1: |
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70 | case 2: |
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71 | if (fp->_flags & __SMBF) { |
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72 | free( fp->_bf._base ); |
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73 | fp->_flags &= ~__SMBF; |
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74 | fp->_bf._base = fp->_p = (unsigned char *) NULL; |
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75 | } |
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76 | break; |
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77 | default: |
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78 | fclose(fp); |
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79 | } |
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80 | return 0; |
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81 | } |
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82 | |
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83 | void newlib_delete_hook( |
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84 | rtems_tcb *current_task, |
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85 | rtems_tcb *deleted_task |
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86 | ) |
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87 | { |
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88 | struct _reent *ptr; |
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89 | |
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90 | ptr = deleted_task->libc_reent; |
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91 | deleted_task->libc_reent = NULL; |
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92 | |
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93 | /* |
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94 | * Just in case there are some buffers lying around. |
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95 | */ |
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96 | _fwalk(ptr, newlib_free_buffers); |
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97 | |
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98 | _Workspace_Free(ptr); |
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99 | } |
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100 | |
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101 | #endif |
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