1 | #ifndef __SYS_LOCK_H__ |
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2 | #define __SYS_LOCK_H__ |
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3 | |
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4 | /* dummy lock routines for single-threaded aps */ |
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5 | |
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6 | #include <newlib.h> |
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7 | #include <_ansi.h> |
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8 | |
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9 | #if !defined(_RETARGETABLE_LOCKING) |
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10 | |
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11 | typedef int _LOCK_T; |
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12 | typedef int _LOCK_RECURSIVE_T; |
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13 | |
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14 | #define __LOCK_INIT(class,lock) static int lock = 0; |
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15 | #define __LOCK_INIT_RECURSIVE(class,lock) static int lock = 0; |
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16 | #define __lock_init(lock) ((void) 0) |
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17 | #define __lock_init_recursive(lock) ((void) 0) |
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18 | #define __lock_close(lock) ((void) 0) |
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19 | #define __lock_close_recursive(lock) ((void) 0) |
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20 | #define __lock_acquire(lock) ((void) 0) |
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21 | #define __lock_acquire_recursive(lock) ((void) 0) |
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22 | #define __lock_try_acquire(lock) ((void) 0) |
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23 | #define __lock_try_acquire_recursive(lock) ((void) 0) |
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24 | #define __lock_release(lock) ((void) 0) |
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25 | #define __lock_release_recursive(lock) ((void) 0) |
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26 | |
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27 | #else |
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28 | |
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29 | #ifdef __cplusplus |
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30 | extern "C" { |
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31 | #endif |
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32 | |
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33 | struct __lock; |
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34 | typedef struct __lock * _LOCK_T; |
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35 | #define _LOCK_RECURSIVE_T _LOCK_T |
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36 | |
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37 | #define __LOCK_INIT(class,lock) extern struct __lock __lock_ ## lock; \ |
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38 | class _LOCK_T lock = &__lock_ ## lock |
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39 | #define __LOCK_INIT_RECURSIVE(class,lock) __LOCK_INIT(class,lock) |
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40 | |
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41 | extern void __retarget_lock_init(_LOCK_T *lock); |
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42 | #define __lock_init(lock) __retarget_lock_init(&lock) |
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43 | extern void __retarget_lock_init_recursive(_LOCK_T *lock); |
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44 | #define __lock_init_recursive(lock) __retarget_lock_init_recursive(&lock) |
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45 | extern void __retarget_lock_close(_LOCK_T lock); |
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46 | #define __lock_close(lock) __retarget_lock_close(lock) |
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47 | extern void __retarget_lock_close_recursive(_LOCK_T lock); |
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48 | #define __lock_close_recursive(lock) __retarget_lock_close_recursive(lock) |
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49 | extern void __retarget_lock_acquire(_LOCK_T lock); |
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50 | #define __lock_acquire(lock) __retarget_lock_acquire(lock) |
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51 | extern void __retarget_lock_acquire_recursive(_LOCK_T lock); |
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52 | #define __lock_acquire_recursive(lock) __retarget_lock_acquire_recursive(lock) |
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53 | extern int __retarget_lock_try_acquire(_LOCK_T lock); |
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54 | #define __lock_try_acquire(lock) __retarget_lock_try_acquire(lock) |
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55 | extern int __retarget_lock_try_acquire_recursive(_LOCK_T lock); |
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56 | #define __lock_try_acquire_recursive(lock) \ |
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57 | __retarget_lock_try_acquire_recursive(lock) |
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58 | extern void __retarget_lock_release(_LOCK_T lock); |
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59 | #define __lock_release(lock) __retarget_lock_release(lock) |
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60 | extern void __retarget_lock_release_recursive(_LOCK_T lock); |
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61 | #define __lock_release_recursive(lock) __retarget_lock_release_recursive(lock) |
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62 | |
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63 | #ifdef __cplusplus |
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64 | } |
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65 | #endif |
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66 | |
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67 | #endif /* !defined(_RETARGETABLE_LOCKING) */ |
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68 | |
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69 | #endif /* __SYS_LOCK_H__ */ |
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