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23 #include "proof/queue.h"
25 /* In this case we cannot wrap the macro in a function call to give a function
26 * contract because we require annotations within the macro body, which is not
27 * supported by VeriFast */
28 #define prvLockQueue( pxQueue ) \
29 taskENTER_CRITICAL(); \
31 if( ( pxQueue )->cRxLock == queueUNLOCKED ) \
33 ( pxQueue )->cRxLock = queueLOCKED_UNMODIFIED; \
35 if( ( pxQueue )->cTxLock == queueUNLOCKED ) \
37 ( pxQueue )->cTxLock = queueLOCKED_UNMODIFIED; \
42 void wrapper_prvLockQueue( QueueHandle_t xQueue )
44 /*@requires [1/2]queuehandle(xQueue, ?N, ?M, ?is_isr) &*& is_isr == false &*&
45 [1/2]queuelock(xQueue);@*/
46 /*@ensures [1/2]queuehandle(xQueue, N, M, is_isr) &*&
47 [1/2]xQueue->locked |-> ?m &*&
48 mutex_held(m, queue_locked_invariant(xQueue), currentThread, 1/2) &*&
49 queue_locked_invariant(xQueue)();@*/
52 /*@open queue(xQueue, ?Storage, N, M, ?W, ?R, ?K, ?is_locked, ?abs);@*/
54 if( ( xQueue )->cRxLock == queueUNLOCKED )
56 ( xQueue )->cRxLock = queueLOCKED_UNMODIFIED;
59 if( ( xQueue )->cTxLock == queueUNLOCKED )
61 ( xQueue )->cTxLock = queueLOCKED_UNMODIFIED;
64 /*@close queue(xQueue, Storage, N, M, W, R, K, true, abs);@*/
66 #ifdef VERIFAST /*< ghost action */
67 mutex_acquire( xQueue->locked );