1 files changed, 13 insertions, 1 deletions
diff --git a/security/nss/lib/dev/devt.h b/security/nss/lib/dev/devt.h
index db93deb126..0f6d9e49a1 100644
--- a/security/nss/lib/dev/devt.h
+++ b/security/nss/lib/dev/devt.h
@@ -70,6 +70,14 @@ struct nssSlotAuthInfoStr {
     PRIntervalTime askPasswordTimeout;
 };
 
+/* values for lastTokenPingState */
+typedef enum {
+    nssSlotLastPingState_Reset = 0,  /* the state has just been reset, discard
+                                      * our cache */
+    nssSlotLastPingState_Update = 1, /* we are updating the lastTokenPingTime */
+    nssSlotLastPingState_Valid = 2,  /* lastTokenPingTime is valid */
+} nssSlotLastPingState;
+
 struct NSSSlotStr {
     struct nssDeviceBaseStr base;
     NSSModule *module; /* Parent */
@@ -77,10 +85,14 @@ struct NSSSlotStr {
     CK_SLOT_ID slotID;
     CK_FLAGS ckFlags; /* from CK_SLOT_INFO.flags */
     struct nssSlotAuthInfoStr authInfo;
-    PRIntervalTime lastTokenPing;
+    PRIntervalTime lastTokenPingTime;
+    nssSlotLastPingState lastTokenPingState;
     PZLock *lock;
     void *epv;
     PK11SlotInfo *pk11slot;
+    PZLock *isPresentLock;
+    PRCondVar *isPresentCondition;
+    PRThread *isPresentThread;
 };
 
 struct nssSessionStr {