implement Mutex and Condition with pthread instead of calling futex directly.

internally pthread uses futex. the implementation consists of simple inlines
there are no implementation files anymore.

1 files changed, 4 insertions, 1 deletions

diff --git a/libs/surfaceflinger/MessageQueue.cpp b/libs/surfaceflinger/MessageQueue.cpp
index fb70b6a81b..b43d80173a 100644
--- a/libs/surfaceflinger/MessageQueue.cpp
+++ b/libs/surfaceflinger/MessageQueue.cpp
@@ -111,7 +111,10 @@ MessageList::value_type MessageQueue::waitMessage(nsecs_t timeout)
                 if (nextEventTime > 0) {
                     // we're about to wait, flush the binder command buffer
                     IPCThreadState::self()->flushCommands();
-                    mCondition.wait(mLock, nextEventTime);
+                    const nsecs_t reltime = nextEventTime - systemTime();
+                    if (reltime > 0) {
+                        mCondition.waitRelative(mLock, reltime);
+                    }
                 }
             } else {
                 //LOGD("going to wait");