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FPGA: Fix race condition in the buffered_host_streaming sample #1375

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Merged
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Feb 23, 2023
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FPGA: Fix race condition in the buffered_host_streaming sample #1375

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2 changes: 1 addition & 1 deletion ...amming/C++SYCL_FPGA/Tutorials/DesignPatterns/buffered_host_streaming/src/HostStreamer.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -261,7 +261,7 @@ class HostStreamer {
// 2) the user has requested us to flush the launch queue and the
// launch queue is not empty (i.e. flush_ && launch_q_.size() != 0)
if ((launch_q_.Size() >= wait_threshold_) ||
(flush_ && !LaunchQueueEmpty())) {
(flush_ && !LaunchQueueEmpty() && ProducerQueueEmpty() && ConsumerQueueEmpty())) {
// grab the oldest request from the launch queue
size_t buf_idx;
size_t count;
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