fixing simple proxy queue implementation, write index supporting for checking the queue overflow

test/run.sh

@@ -4,11 +4,11 @@ test_bin_dflt=./test/ctrl
 
 #export HSA_LIB=/home/evgeny/pkg/compute-psdb-16453/lib
 export HSA_LIB=/home/evgeny/git/compute/out/ubuntu-16.04/16.04/lib
-export OCL_LIB=/home/evgeny/pkg/opencl_modified/opencl_x86_64/lib
+#export OCL_LIB=/home/evgeny/pkg/opencl_modified/opencl_x86_64/lib
 #export OCL_LIB=/home/evgeny/Perforce/eshcherb_opencl/drivers/opencl/dist/linux/debug/lib/x86_64
 
 # paths to ROC profiler and oher libraries
-export LD_LIBRARY_PATH=$PWD:$HSA_LIB:$OCL_LIB
+export LD_LIBRARY_PATH=$PWD:$HSA_LIB
 # enable error messages logging to '/tmp/rocprofiler_log.txt'
 export ROCPROFILER_LOG=1