From 73b91bf0c0a86e55d6879573aeadd99a137ebf3b Mon Sep 17 00:00:00 2001
From: Jeffrey Altman <jaltman@your-file-system.com>
Date: Sun, 14 Aug 2011 21:41:47 -0400
Subject: [PATCH] Windows: More interlocked ops for cm_cell flags

Change-Id: I9e5cae6152439af75a9baf85900117ca9b456f40
Reviewed-on: http://gerrit.openafs.org/5274
Reviewed-by: Jeffrey Altman <jaltman@openafs.org>
Tested-by: Jeffrey Altman <jaltman@openafs.org>
---
 src/WINNT/afsd/cm_ioctl.c | 14 +++++++-------
 1 file changed, 7 insertions(+), 7 deletions(-)

diff --git a/src/WINNT/afsd/cm_ioctl.c b/src/WINNT/afsd/cm_ioctl.c
index 959200e011..a25b8ca7f9 100644
--- a/src/WINNT/afsd/cm_ioctl.c
+++ b/src/WINNT/afsd/cm_ioctl.c
@@ -1530,8 +1530,8 @@ cm_IoctlNewCell(struct cm_ioctl *ioctlp, struct cm_user *userp)
                 code = cm_SearchCellByDNS(cp->name, cp->name, &ttl, cm_AddCellProc, &rock);
                 if ( code == 0 ) { /* got cell from DNS */
                     lock_ObtainMutex(&cp->mx);
-                    cp->flags |= CM_CELLFLAG_DNS;
-                    cp->flags &= ~CM_CELLFLAG_VLSERVER_INVALID;
+                    _InterlockedOr(&cp->flags, CM_CELLFLAG_DNS);
+                    _InterlockedAnd(&cp->flags, ~CM_CELLFLAG_VLSERVER_INVALID);
                     cp->timeout = time(0) + ttl;
                     lock_ReleaseMutex(&cp->mx);
                 }
@@ -1539,18 +1539,18 @@ cm_IoctlNewCell(struct cm_ioctl *ioctlp, struct cm_user *userp)
         }
         else {
             lock_ObtainMutex(&cp->mx);
-            cp->flags &= ~CM_CELLFLAG_DNS;
+            _InterlockedAnd(&cp->flags, ~CM_CELLFLAG_DNS);
             lock_ReleaseMutex(&cp->mx);
         }
         if (code) {
             lock_ObtainMutex(&cp->mx);
-            cp->flags |= CM_CELLFLAG_VLSERVER_INVALID;
+            _InterlockedOr(&cp->flags, CM_CELLFLAG_VLSERVER_INVALID);
             lock_ReleaseMutex(&cp->mx);
             lock_ObtainWrite(&cm_cellLock);
         }
         else {
             lock_ObtainMutex(&cp->mx);
-            cp->flags &= ~CM_CELLFLAG_VLSERVER_INVALID;
+            _InterlockedAnd(&cp->flags, ~CM_CELLFLAG_VLSERVER_INVALID);
             lock_ReleaseMutex(&cp->mx);
             lock_ObtainWrite(&cm_cellLock);
             cm_RandomizeServer(&cp->vlServersp);
@@ -1830,9 +1830,9 @@ cm_IoctlSetCellStatus(struct cm_ioctl *ioctlp, struct cm_user *userp)
 
     lock_ObtainMutex(&cellp->mx);
     if (flags & CM_SETCELLFLAG_SUID)
-        cellp->flags |= CM_CELLFLAG_SUID;
+        _InterlockedOr(&cellp->flags, CM_CELLFLAG_SUID);
     else
-        cellp->flags &= ~CM_CELLFLAG_SUID;
+        _InterlockedAnd(&cellp->flags, ~CM_CELLFLAG_SUID);
     lock_ReleaseMutex(&cellp->mx);
 
     return 0;