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McsService: only send to the output stream if it is alive
The output stream handler thread might not be alive, this occurs reproducibly when connecting fails and a tear down is initiated. Messages shouldn't be sent when the output handler thread is not alive (triggers an expection which is catched but logged), this check avoids this unless some special race condition occurs. Dropping the messages shouldn't hurt (they were dropped anyway).
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@ -323,7 +323,7 @@ public class McsService extends Service implements Handler.Callback {
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private void sendOutputStream(int what, Object obj) {
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McsOutputStream os = outputStream;
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if (os != null) {
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if (os != null && os.isAlive()) {
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Handler outputHandler = os.getHandler();
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if (outputHandler != null)
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outputHandler.sendMessage(outputHandler.obtainMessage(what, obj));
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