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[SYCL] Wait for host task execution in host-task-failure test. #21058

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[SYCL] Wait for host task execution in host-task-failure test. #21058

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16 changes: 13 additions & 3 deletions sycl/test-e2e/HostInteropTask/host-task-failure.cpp
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Original file line number Diff line number Diff line change
@@ -1,9 +1,7 @@
// RUN: %{build} -o %t.out
// RUN: %{run} %t.out

// UNSUPPORTED: linux && arch-intel_gpu_pvc
// UNSUPPORTED-TRACKER: https://github.com/intel/llvm/issues/20961

#include <condition_variable>
#include <sycl/detail/core.hpp>

using namespace sycl;
Expand All @@ -15,6 +13,10 @@ template <typename T> class Modifier;

template <typename T> class Init;

std::mutex cvMutex;
std::condition_variable cv;
bool ready = false;

template <typename DataT>
void copy(buffer<DataT, 1> &Src, buffer<DataT, 1> &Dst, queue &Q) {
Q.submit([&](handler &CGH) {
Expand All @@ -24,6 +26,11 @@ void copy(buffer<DataT, 1> &Src, buffer<DataT, 1> &Dst, queue &Q) {
CGH.host_task([=]() {
for (size_t Idx = 0; Idx < SrcA.size(); ++Idx)
DstA[Idx] = SrcA[Idx];
{
std::unique_lock<std::mutex> lk(cvMutex);
ready = true;
}
cv.notify_one();
});
});
}
Expand All @@ -49,6 +56,9 @@ void test() {
init<int>(Buffer1, Buffer2, Q);

copy(Buffer1, Buffer2, Q);

std::unique_lock<std::mutex> lk(cvMutex);
cv.wait(lk, [&] { return ready; });
}

int main() {
Expand Down