Add Thread::join

This new API will be used by applications that previously used the
lower-level pthread APIs (including pthread_join).  Centralizing on the
Thread class instead of pthread will permit additional functionality to
be added later in only one location.

Change-Id: I8460169ac9c61ac9f85752405ed54c94651058d7

1 files changed, 4 insertions, 0 deletions

diff --git a/include/utils/threads.h b/include/utils/threads.h
index 0bd69cf..432805e 100644
--- a/include/utils/threads.h
+++ b/include/utils/threads.h
@@ -510,6 +510,10 @@ public:
     // that case.
             status_t    requestExitAndWait();
 
+    // Wait until this object's thread exits. Returns immediately if not yet running.
+    // Do not call from this object's thread; will return WOULD_BLOCK in that case.
+            status_t    join();
+
 protected:
     // exitPending() returns true if requestExit() has been called.
             bool        exitPending() const;