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Annotation of mstools/samples/midimon/circbuf.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  *  circbuf.h
                      3:  */
                      4: 
                      5: 
                      6: /* Structure to manage the circular input buffer.
                      7:  */
                      8: typedef struct circularBuffer_tag
                      9: {
                     10:     HANDLE  hSelf;          /* handle to this structure */
                     11:     HANDLE  hBuffer;        /* buffer handle */
                     12:     WORD    wError;         /* error flags */
                     13:     DWORD   dwSize;         /* buffer size (in EVENTS) */
                     14:     DWORD   dwCount;        /* byte count (in EVENTS) */
                     15:     LPEVENT lpStart;        /* ptr to start of buffer */
                     16:     LPEVENT lpEnd;          /* ptr to end of buffer (last byte + 1) */
                     17:     LPEVENT lpHead;         /* ptr to head (next location to fill) */
                     18:     LPEVENT lpTail;         /* ptr to tail (next location to empty) */
                     19: } CIRCULARBUFFER;
                     20: typedef CIRCULARBUFFER FAR *LPCIRCULARBUFFER;
                     21: 
                     22: 
                     23: /* Function prototypes
                     24:  */
                     25: LPCIRCULARBUFFER AllocCircularBuffer(DWORD dwSize);
                     26: void FreeCircularBuffer(LPCIRCULARBUFFER lpBuf);
                     27: WORD FAR PASCAL GetEvent(LPCIRCULARBUFFER lpBuf, LPEVENT lpEvent);

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