1 files changed, 67 insertions, 0 deletions
diff --git a/include/utils/BufferedTextOutput.h b/include/utils/BufferedTextOutput.h
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+++ b/include/utils/BufferedTextOutput.h
@@ -0,0 +1,67 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * 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.
+ */
+
+#ifndef ANDROID_BUFFEREDTEXTOUTPUT_H
+#define ANDROID_BUFFEREDTEXTOUTPUT_H
+
+#include <utils/TextOutput.h>
+#include <utils/threads.h>
+#include <cutils/uio.h>
+
+// ---------------------------------------------------------------------------
+namespace android {
+
+class BufferedTextOutput : public TextOutput
+{
+public:
+    //** Flags for constructor */
+    enum {
+        MULTITHREADED = 0x0001
+    };
+    
+                        BufferedTextOutput(uint32_t flags = 0);
+    virtual             ~BufferedTextOutput();
+    
+    virtual status_t    print(const char* txt, size_t len);
+    virtual void        moveIndent(int delta);
+    
+    virtual void        pushBundle();
+    virtual void        popBundle();
+    
+protected:
+    virtual status_t    writeLines(const struct iovec& vec, size_t N) = 0;
+
+private:
+    struct BufferState;
+    struct ThreadState;
+    
+    static  ThreadState*getThreadState();
+    static  void        threadDestructor(void *st);
+    
+            BufferState*getBuffer() const;
+            
+    uint32_t            mFlags;
+    const int32_t       mSeq;
+    const int32_t       mIndex;
+    
+    Mutex               mLock;
+    BufferState*        mGlobalState;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_BUFFEREDTEXTOUTPUT_H