graphics: test buffer allocation for thread safety (2209bcb1) · Commits · e / os / android_hardware_interfaces

graphics/mapper/2.0/vts/functional/VtsHalGraphicsMapperV2_0TargetTest.cpp

+34 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,10 @@

		#define LOG_TAG "VtsHalGraphicsMapperV2_0TargetTest"

		#include <chrono>
		#include <thread>
		#include <vector>

		#include <VtsHalHidlTargetTestBase.h>
		#include <android-base/logging.h>
		#include <mapper-vts/2.0/MapperVts.h>
		@@ -124,6 +128,36 @@ TEST_F(GraphicsMapperHidlTest, AllocatorAllocateNoLeak) {
		}
		}

		/**
		* Test that IAllocator::allocate is thread-safe.
		*/
		TEST_F(GraphicsMapperHidlTest, AllocatorAllocateThreaded) {
		BufferDescriptor descriptor;
		ASSERT_NO_FATAL_FAILURE(descriptor = mGralloc->createDescriptor(mDummyDescriptorInfo));

		std::atomic<bool> timeUp(false);
		std::atomic<uint64_t> allocationCount(0);
		auto threadLoop = [&]() {
		while (!timeUp) {
		mGralloc->getAllocator()->allocate(
		descriptor, 1, [&](const auto&, const auto&, const auto&) { allocationCount++; });
		}
		};

		std::vector<std::thread> threads;
		for (int i = 0; i < 8; i++) {
		threads.push_back(std::thread(threadLoop));
		}

		std::this_thread::sleep_for(std::chrono::seconds(3));
		timeUp = true;
		LOG(VERBOSE) << "Made " << allocationCount << " threaded allocations";

		for (auto& thread : threads) {
		thread.join();
		}
		}

		/**
		* Test IMapper::createDescriptor with valid descriptor info.
		*/