5
Last change
on this file since 89fc9345 was
89fc9345,
checked in by Sebastian Huber <sebastian.huber@…>, on 09/21/17 at 13:42:45
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posix: Implement self-contained POSIX rwlocks
POSIX rwlocks are now available in all configurations and no longer
depend on --enable-posix.
Update #2514.
Update #3115.
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-
Property mode set to
100644
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File size:
1.3 KB
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1 | /** |
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2 | * @file |
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3 | * |
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4 | * @brief Inlined Routines from the POSIX RWLock Manager |
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5 | * |
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6 | * This file contains the static inlin implementation of the inlined |
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7 | * routines from the POSIX RWLock Manager. |
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8 | */ |
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9 | |
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10 | /* |
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11 | * COPYRIGHT (c) 1989-2011. |
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12 | * On-Line Applications Research Corporation (OAR). |
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13 | * |
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14 | * The license and distribution terms for this file may be |
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15 | * found in the file LICENSE in this distribution or at |
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16 | * http://www.rtems.org/license/LICENSE. |
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17 | */ |
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18 | |
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19 | #ifndef _RTEMS_POSIX_RWLOCKIMPL_H |
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20 | #define _RTEMS_POSIX_RWLOCKIMPL_H |
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21 | |
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22 | #include <rtems/score/corerwlockimpl.h> |
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23 | |
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24 | #include <errno.h> |
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25 | #include <pthread.h> |
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26 | |
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27 | #ifdef __cplusplus |
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28 | extern "C" { |
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29 | #endif |
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30 | |
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31 | #define POSIX_RWLOCK_MAGIC 0x9621dabdUL |
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32 | |
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33 | typedef struct { |
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34 | unsigned long flags; |
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35 | CORE_RWLock_Control RWLock; |
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36 | } POSIX_RWLock_Control; |
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37 | |
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38 | RTEMS_INLINE_ROUTINE POSIX_RWLock_Control *_POSIX_RWLock_Get( |
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39 | pthread_rwlock_t *rwlock |
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40 | ) |
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41 | { |
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42 | return (POSIX_RWLock_Control *) rwlock; |
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43 | } |
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44 | |
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45 | bool _POSIX_RWLock_Auto_initialization( POSIX_RWLock_Control *the_rwlock ); |
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46 | |
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47 | #define POSIX_RWLOCK_VALIDATE_OBJECT( rw ) \ |
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48 | do { \ |
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49 | if ( ( rw ) == NULL ) { \ |
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50 | return EINVAL; \ |
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51 | } \ |
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52 | if ( ( (uintptr_t) ( rw ) ^ POSIX_RWLOCK_MAGIC ) != ( rw )->flags ) { \ |
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53 | if ( !_POSIX_RWLock_Auto_initialization( rw ) ) { \ |
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54 | return EINVAL; \ |
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55 | } \ |
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56 | } \ |
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57 | } while ( 0 ) |
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58 | |
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59 | #ifdef __cplusplus |
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60 | } |
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61 | #endif |
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62 | |
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63 | #endif |
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64 | /* end of include file */ |
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