| 112 | } |
| 113 | |
| 114 | TEST(PingPongTest, ping_pong) { |
| 115 | signal(SIGINT, quit_handler); |
| 116 | stop = false; |
| 117 | PlayerArg* args[FLAGS_thread_num]; |
| 118 | |
| 119 | for (int i = 0; i < FLAGS_thread_num; ++i) { |
| 120 | int pipe1[2]; |
| 121 | int pipe2[2]; |
| 122 | if (!FLAGS_use_futex && !FLAGS_use_butex) { |
| 123 | ASSERT_EQ(0, pipe(pipe1)); |
| 124 | ASSERT_EQ(0, pipe(pipe2)); |
| 125 | } |
| 126 | |
| 127 | PlayerArg* arg1 = new PlayerArg; |
| 128 | if (!FLAGS_use_futex && !FLAGS_use_butex) { |
| 129 | arg1->read_fd = pipe1[0]; |
| 130 | arg1->write_fd = pipe2[1]; |
| 131 | } else if (FLAGS_use_futex) { |
| 132 | AlignedIntWrapper* w1 = new AlignedIntWrapper; |
| 133 | w1->value = INITIAL_FUTEX_VALUE; |
| 134 | AlignedIntWrapper* w2 = new AlignedIntWrapper; |
| 135 | w2->value = INITIAL_FUTEX_VALUE; |
| 136 | arg1->wait_addr = &w1->value; |
| 137 | arg1->wake_addr = &w2->value; |
| 138 | } else if (FLAGS_use_butex) { |
| 139 | arg1->wait_addr = bthread::butex_create_checked<int>(); |
| 140 | *arg1->wait_addr = INITIAL_FUTEX_VALUE; |
| 141 | arg1->wake_addr = bthread::butex_create_checked<int>(); |
| 142 | *arg1->wake_addr = INITIAL_FUTEX_VALUE; |
| 143 | } else { |
| 144 | ASSERT_TRUE(false); |
| 145 | } |
| 146 | arg1->counter = 0; |
| 147 | arg1->wakeup = 0; |
| 148 | args[i] = arg1; |
| 149 | |
| 150 | PlayerArg* arg2 = new PlayerArg; |
| 151 | if (!FLAGS_use_futex && !FLAGS_use_butex) { |
| 152 | arg2->read_fd = pipe2[0]; |
| 153 | arg2->write_fd = pipe1[1]; |
| 154 | } else { |
| 155 | arg2->wait_addr = arg1->wake_addr; |
| 156 | arg2->wake_addr = arg1->wait_addr; |
| 157 | } |
| 158 | arg2->counter = 0; |
| 159 | arg2->wakeup = 0; |
| 160 | |
| 161 | pthread_t th1, th2; |
| 162 | bthread_t bth1, bth2; |
| 163 | if (!FLAGS_use_futex && !FLAGS_use_butex) { |
| 164 | ASSERT_EQ(0, pthread_create(&th1, NULL, pipe_player, arg1)); |
| 165 | ASSERT_EQ(0, pthread_create(&th2, NULL, pipe_player, arg2)); |
| 166 | } else if (FLAGS_use_futex) { |
| 167 | ASSERT_EQ(0, pthread_create(&th1, NULL, futex_player, arg1)); |
| 168 | ASSERT_EQ(0, pthread_create(&th2, NULL, futex_player, arg2)); |
| 169 | } else if (FLAGS_use_butex) { |
| 170 | ASSERT_EQ(0, bthread_start_background(&bth1, NULL, butex_player, arg1)); |
| 171 | ASSERT_EQ(0, bthread_start_background(&bth2, NULL, butex_player, arg2)); |
nothing calls this directly
no test coverage detected