Changeset 54366 in vbox for trunk/src/VBox

Timestamp:

Feb 23, 2015 3:03:25 AM (10 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

98455

Message:

Must check for timeout in the first loop iteration.

File:

• trunk/src/VBox/HostDrivers/Support/SUPDrvGip.cpp (modified) (2 diffs)

trunk/src/VBox/HostDrivers/Support/SUPDrvGip.cpp

@@ -2728 +2728 @@
             break;
 
-        /* Check for timeouts every so often (not every loop in case RDTSC is trapping or something). */
+        /* Check for timeouts every so often (not every loop in case RDTSC is
+           trapping or something).  Must check the first time around. */
 #if 0 /* For debugging the timeout paths. */
         static uint32_t volatile xxx;
 #endif
-        iSync2Loops++;
         if (   (   (iSync2Loops & 0x3ff) == 0
                 && ASMReadTSC() - pMySync->uTscStart > pMySync->cMaxTscTicks)
@@ -2748 +2748 @@
             }
         }
+        iSync2Loops++;
     }