non blocking queue
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Diff: rtos/Semaphore.h
- Revision:
- 31:015df9e602b6
- Parent:
- 8:88a1a9c26ae3
- Child:
- 119:19af2d39a542
--- a/rtos/Semaphore.h Tue May 27 08:30:16 2014 +0100 +++ b/rtos/Semaphore.h Tue Jun 03 11:30:14 2014 +0100 @@ -30,22 +30,22 @@ /** The Semaphore class is used to manage and protect access to a set of shared resources. */ class Semaphore { public: - /** Create and Initialize a Semaphore object used for managing resources. + /** Create and Initialize a Semaphore object used for managing resources. @param number of available resources; maximum index value is (count-1). */ Semaphore(int32_t count); - - /** Wait until a Semaphore resource becomes available. + + /** Wait until a Semaphore resource becomes available. @param millisec timeout value or 0 in case of no time-out. (default: osWaitForever). @return number of available tokens, or -1 in case of incorrect parameters */ int32_t wait(uint32_t millisec=osWaitForever); - + /** Release a Semaphore resource that was obtain with Semaphore::wait. - @return status code that indicates the execution status of the function. + @return status code that indicates the execution status of the function. */ osStatus release(void); - + ~Semaphore(); private: