1 files changed, 96 insertions, 0 deletions
diff --git a/libtiutils/DebugUtils.cpp b/libtiutils/DebugUtils.cpp
new file mode 100644
index 0000000..0165118
--- /dev/null
+++ b/libtiutils/DebugUtils.cpp
@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) Texas Instruments - http://www.ti.com/
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "DebugUtils.h"
+
+#include "utils/Debug.h"
+
+
+
+
+namespace Ti {
+
+
+
+
+// shared const buffer with spaces for indentation string
+extern const char sIndentStringBuffer[] =
+        "                                                                "
+        "                                                                ";
+template class android::CompileTimeAssert<sizeof(sIndentStringBuffer) - 1 == kIndentStringMaxLength>;
+
+
+
+
+static const int kDebugThreadInfoGrowSize = 16;
+
+
+
+
+Debug Debug::sInstance;
+
+
+
+
+Debug::Debug()
+{
+    grow();
+}
+
+
+void Debug::grow()
+{
+    android::Mutex::Autolock locker(mMutex);
+    (void)locker;
+
+    const int size = kDebugThreadInfoGrowSize;
+
+    const int newSize = (mData.get() ? mData->threads.size() : 0) + size;
+
+    Data * const newData = new Data;
+    newData->threads.setCapacity(newSize);
+
+    // insert previous thread info pointers
+    if ( mData.get() )
+        newData->threads.insertVectorAt(mData->threads, 0);
+
+    // populate data with new thread infos
+    for ( int i = 0; i < size; ++i )
+        newData->threads.add(new ThreadInfo);
+
+    // replace old data with new one
+    mData = newData;
+}
+
+
+Debug::ThreadInfo * Debug::registerThread(Data * const data, const int32_t threadId)
+{
+    const int size = data->threads.size();
+    for ( int i = 0; i < size; ++i )
+    {
+        ThreadInfo * const threadInfo = data->threads.itemAt(i);
+        if ( android_atomic_acquire_cas(0, threadId, &threadInfo->threadId) == 0 )
+            return threadInfo;
+    }
+
+    // failed to find empty slot for thread
+    return 0;
+}
+
+
+
+
+} // namespace Ti