[Com0com-cvs] com0com/sys trace.c,1.21,1.22

[Vyacheslav F. <vf...@us...>]

Update of /cvsroot/com0com/com0com/sys
In directory sc8-pr-cvs4.sourceforge.net:/tmp/cvs-serv3123

Modified Files:
	trace.c 
Log Message:
Removed unnecessary InterlockedExchange*()


Index: trace.c
===================================================================
RCS file: /cvsroot/com0com/com0com/sys/trace.c,v
retrieving revision 1.21
retrieving revision 1.22
diff -C2 -d -r1.21 -r1.22
*** trace.c	23 Aug 2006 13:05:43 -0000	1.21
--- trace.c	27 Oct 2006 12:36:58 -0000	1.22
***************
*** 20,23 ****
--- 20,26 ----
   *
   * $Log$
+  * Revision 1.22  2006/10/27 12:36:58  vfrolov
+  * Removed unnecessary InterlockedExchange*()
+  *
   * Revision 1.21  2006/08/23 13:05:43  vfrolov
   * Added ability to trace w/o table
***************
*** 935,939 ****
      }
  
!     InterlockedExchange(&strOldFreeInd, (LONG)(sizeof(strOld) - size));
  
      KeReleaseSpinLock(&strOldLock, oldIrql);
--- 938,942 ----
      }
  
!     strOldFreeInd = (LONG)(sizeof(strOld) - size);
  
      KeReleaseSpinLock(&strOldLock, oldIrql);
***************
*** 976,980 ****
        pDestStr = pBuf->buf;
  
!       while (InterlockedExchangeAdd(&strOldFreeInd, 0)) {
          SIZE_T lenBuf;
          KIRQL oldIrql;
--- 979,983 ----
        pDestStr = pBuf->buf;
  
!       while (strOldFreeInd) {
          SIZE_T lenBuf;
          KIRQL oldIrql;
***************
*** 990,994 ****
            HALT_UNLESS3(strOldBusyInd <= strOldFreeInd, strOldFreeInd, strOldBusyInd, lenBuf);
            if (strOldBusyInd == strOldFreeInd)
!             InterlockedExchange(&strOldFreeInd, strOldBusyInd = 0);
          }
          KeReleaseSpinLock(&strOldLock, oldIrql);
--- 993,997 ----
            HALT_UNLESS3(strOldBusyInd <= strOldFreeInd, strOldFreeInd, strOldBusyInd, lenBuf);
            if (strOldBusyInd == strOldFreeInd)
!             strOldFreeInd = strOldBusyInd = 0;
          }
          KeReleaseSpinLock(&strOldLock, oldIrql);