Changeset 57:f52efb9ba3d8 in xplra for src/client/c/hu/varadiistvan/xplra/MultiBuffer.cc

Timestamp:

03/07/13 18:13:05 (11 years ago)

Author:

István Váradi <ivaradi@…>

Branch:

default

Phase:

public

Message:

Implemented the C++ client part of the re-registration support

File:

• src/client/c/hu/varadiistvan/xplra/MultiBuffer.cc (modified) (3 diffs)

src/client/c/hu/varadiistvan/xplra/MultiBuffer.cc

@@ -251 +251 @@
 //------------------------------------------------------------------------------
 
-MultiBuffer::~MultiBuffer() throw(Exception)
-{
-    unregisterFromXPlane();
+MultiBuffer::~MultiBuffer() throw()
+{
+    unregisterSafelyFromXPlane();
     delete[] data;
 }
@@ -358 +358 @@
         xplane.checkResult();
         registeredID = -1;
+    }
+}
+
+//------------------------------------------------------------------------------
+
+bool MultiBuffer::unregisterSafelyFromXPlane() throw()
+{
+    try {
+        unregisterFromXPlane();
+        return true;
+    } catch(...) {
+        registeredID = -1;
+        return false;
     }
 }
@@ -615 +628 @@
 //------------------------------------------------------------------------------
 
+void MultiBuffer::reregisterInXPlane() throw(Exception)
+{
+    if (registeredID>=0) {
+        int origRegisteredID = registeredID;
+        try {
+            registeredID = -1;
+            registerInXPlane();
+        } catch(...) {
+            registeredID = origRegisteredID;
+            throw;
+        }
+    }
+}
+
+//------------------------------------------------------------------------------
+
 // Local Variables:
 // mode: C++