| /* |
| * Copyright (C) 2018 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| /* |
| * Stand-alone tests for the ioctls in the vsoc driver. |
| */ |
| |
| #include "uapi/vsoc_shm.h" |
| #include <atomic> |
| #include <stdint.h> |
| #include "common/vsoc/lib/e2e_test_region_view.h" |
| #include "guest/vsoc/lib/manager_region_view.h" |
| |
| #include <android-base/logging.h> |
| #include <gtest/gtest.h> |
| |
| void BasicWaitForSignal(vsoc::E2EPrimaryRegionView* region, |
| uint32_t expected_start, |
| uint32_t expected_finish) { |
| ASSERT_EQ(expected_start, region->read_guest_self_register()); |
| int rval = region->wait_guest_self_register(expected_start); |
| EXPECT_LE(0, rval); |
| EXPECT_GT(5, rval); |
| EXPECT_EQ(expected_finish, region->read_guest_self_register()); |
| } |
| |
| TEST(FutexTest, BasicFutexTests) { |
| constexpr uint32_t INITIAL_SIGNAL = 0; |
| constexpr uint32_t SILENT_UPDATE_SIGNAL = 1; |
| constexpr uint32_t WAKE_SIGNAL = 2; |
| auto region = vsoc::E2EPrimaryRegionView::GetInstance(); |
| ASSERT_TRUE(region != NULL); |
| LOG(INFO) << "Regions are open"; |
| region->write_guest_self_register(INITIAL_SIGNAL); |
| std::thread waiter(BasicWaitForSignal, region, INITIAL_SIGNAL, WAKE_SIGNAL); |
| sleep(1); |
| LOG(INFO) << "Still waiting. Trying to wake wrong address"; |
| region->signal_guest_to_host_register(); |
| sleep(1); |
| LOG(INFO) << "Still waiting. Trying to wake without update"; |
| region->signal_guest_self_register(); |
| sleep(1); |
| LOG(INFO) << "Still waiting. Trying to wake without signal"; |
| region->write_guest_self_register(SILENT_UPDATE_SIGNAL); |
| sleep(1); |
| LOG(INFO) << "Still waiting. Trying to wake with signal"; |
| region->write_guest_self_register(WAKE_SIGNAL); |
| region->signal_guest_self_register(); |
| waiter.join(); |
| LOG(INFO) << "Wake worked"; |
| LOG(INFO) << "PASS: BasicPeerTests"; |
| } |
| |
| int main(int argc, char* argv[]) { |
| android::base::InitLogging(argv); |
| testing::InitGoogleTest(&argc, argv); |
| return RUN_ALL_TESTS(); |
| } |