1 files changed, 9 insertions, 5 deletions
diff --git a/include/utils/Looper.h b/include/utils/Looper.h
index 15c9891..5722c8e 100644
--- a/include/utils/Looper.h
+++ b/include/utils/Looper.h
@@ -386,11 +386,12 @@ public:
     void removeMessages(const sp<MessageHandler>& handler, int what);
 
     /**
-     * Return whether this looper's thread is currently idling -- that is, whether it
-     * stopped waiting for more work to do.  Note that this is intrinsically racy, since
-     * its state can change before you get the result back.
+     * Returns whether this looper's thread is currently polling for more work to do.
+     * This is a good signal that the loop is still alive rather than being stuck
+     * handling a callback.  Note that this method is intrinsically racy, since the
+     * state of the loop can change before you get the result back.
      */
-    bool isIdling() const;
+    bool isPolling() const;
 
     /**
      * Prepares a looper associated with the calling thread, and returns it.
@@ -419,6 +420,7 @@ private:
     struct Request {
         int fd;
         int ident;
+        int seq;
         sp<LooperCallback> callback;
         void* data;
     };
@@ -451,12 +453,13 @@ private:
 
     // Whether we are currently waiting for work.  Not protected by a lock,
     // any use of it is racy anyway.
-    volatile bool mIdling;
+    volatile bool mPolling;
 
     int mEpollFd; // immutable
 
     // Locked list of file descriptor monitoring requests.
     KeyedVector<int, Request> mRequests;  // guarded by mLock
+    int mNextRequestSeq;
 
     // This state is only used privately by pollOnce and does not require a lock since
     // it runs on a single thread.
@@ -465,6 +468,7 @@ private:
     nsecs_t mNextMessageUptime; // set to LLONG_MAX when none
 
     int pollInner(int timeoutMillis);
+    int removeFd(int fd, int seq);
     void awoken();
     void pushResponse(int events, const Request& request);