commit b7e930db175c192464cebdeb49eb56cf6dd60114
author Mathias Agopian <mathias@google.com> Tue Jun 01 15:12:58 2010 -0700
committer Mathias Agopian <mathias@google.com> Fri Jun 04 18:57:41 2010 -0700
tree 15f475afd3e4d6462587368154f84623defd2776
parent 96f0819f81293076e652792794a961543e6750d7

split surface management from surface's buffers management

Change-Id: If3c5655d1231f8f0c49ba68f972b1b20c93b3f87

libs/surfaceflinger_client/SharedBufferStack.cpp

diff --git a/libs/surfaceflinger_client/SharedBufferStack.cpp b/libs/surfaceflinger_client/SharedBufferStack.cpp
index 8d03145..1dd8642 100644
--- a/libs/surfaceflinger_client/SharedBufferStack.cpp
+++ b/libs/surfaceflinger_client/SharedBufferStack.cpp
@@ -58,7 +58,7 @@
 
 void SharedBufferStack::init(int32_t i)
 {
-    inUse = -1;
+    inUse = -2;
     status = NO_ERROR;
     identity = i;
 }
@@ -282,8 +282,10 @@
 }
 ssize_t SharedBufferServer::UnlockUpdate::operator()() {
     if (stack.inUse != lockedBuffer) {
-        LOGE("unlocking %d, but currently locked buffer is %d",
-                lockedBuffer, stack.inUse);
+        LOGE("unlocking %d, but currently locked buffer is %d "
+             "(identity=%d, token=%d)",
+                lockedBuffer, stack.inUse,
+                stack.identity, stack.token);
         return BAD_VALUE;
     }
     android_atomic_write(-1, &stack.inUse);
@@ -480,6 +482,7 @@
       mNumBuffers(num)
 {
     mSharedStack->init(identity);
+    mSharedStack->token = surface;
     mSharedStack->head = num-1;
     mSharedStack->available = num;
     mSharedStack->queued = 0;