4.11
Last change
on this file since fe09d8d was
fe09d8d,
checked in by Chris Johns <chrisj@…>, on 02/14/20 at 04:16:46
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libcsupport/newlib: Call newlib's sinit to force reent initialisation
- Newlib overtites any FILE pointers set in stdin, stdout or stderr.
Closes #3870
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-
Property mode set to
100644
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File size:
1.1 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.org/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 | #if !defined(__DYNAMIC_REENT__) |
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39 | if (_Thread_libc_reent == 0) |
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40 | { |
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41 | _REENT = _GLOBAL_REENT; |
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42 | |
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43 | _Thread_Set_libc_reent (&_REENT); |
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44 | } |
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45 | #endif |
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46 | |
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47 | extern void __sinit (struct _reent *s); |
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48 | struct _reent *reent = (struct _reent *) creating_task->libc_reent; |
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49 | _REENT_INIT_PTR((reent)); /* GCC extension: structure constants */ |
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50 | __sinit( reent ); |
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51 | |
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52 | return true; |
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53 | } |
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54 | |
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55 | void newlib_terminate_hook( |
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56 | rtems_tcb *current_task |
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57 | ) |
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58 | { |
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59 | _reclaim_reent(current_task->libc_reent); |
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60 | } |
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61 | |
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62 | #endif |
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