diff options
Diffstat (limited to 'tools/testing/selftests/futex/functional/futex_wait_timeout.c')
| -rw-r--r-- | tools/testing/selftests/futex/functional/futex_wait_timeout.c | 108 |
1 files changed, 49 insertions, 59 deletions
diff --git a/tools/testing/selftests/futex/functional/futex_wait_timeout.c b/tools/testing/selftests/futex/functional/futex_wait_timeout.c index 674dd13af421..6e6e770fe96a 100644 --- a/tools/testing/selftests/futex/functional/futex_wait_timeout.c +++ b/tools/testing/selftests/futex/functional/futex_wait_timeout.c @@ -31,53 +31,47 @@ static pthread_barrier_t barrier; */ void *get_pi_lock(void *arg) { + struct __test_metadata *_metadata = (struct __test_metadata *)arg; int ret; volatile futex_t lock = 0; ret = futex_lock_pi(&futex_pi, NULL, 0, 0); - if (ret != 0) - ksft_exit_fail_msg("futex_lock_pi failed\n"); + ASSERT_EQ(ret, 0) + TH_LOG("futex_lock_pi failed"); pthread_barrier_wait(&barrier); /* Blocks forever */ ret = futex_wait(&lock, 0, NULL, 0); - ksft_exit_fail_msg("futex_wait failed\n"); + ASSERT_TRUE(0) + TH_LOG("futex_wait returned unexpectedly: %d", ret); return NULL; } -/* - * Check if the function returned the expected error - */ -static void test_timeout(int res, char *test_name, int err) -{ - if (!res || errno != err) { - ksft_test_result_fail("%s returned %d\n", test_name, - res < 0 ? errno : res); - } else { - ksft_test_result_pass("%s succeeds\n", test_name); - } -} - -/* - * Calculate absolute timeout and correct overflow - */ -static int futex_get_abs_timeout(clockid_t clockid, struct timespec *to, - long timeout_ns) -{ - if (clock_gettime(clockid, to)) - ksft_exit_fail_msg("clock_gettime failed\n"); - - to->tv_nsec += timeout_ns; - - if (to->tv_nsec >= 1000000000) { - to->tv_sec++; - to->tv_nsec -= 1000000000; - } - - return 0; -} +#define TEST_TIMEOUT(_res, _test_name, _err) do { \ + if ((_res) < 0 && errno == ENOSYS && (_err) != ENOSYS) { \ + SKIP(return, "%s is not supported (ENOSYS)", _test_name); \ + } \ + EXPECT_EQ((_res), -1) \ + TH_LOG("%s returned unexpected result: %d", _test_name, (_res));\ + if ((_res) == -1) { \ + EXPECT_EQ(errno, (_err)) { \ + TH_LOG("%s returned unexpected errno: %d (expected %d)",\ + _test_name, errno, (_err)); \ + } \ + } \ +} while (0) + +#define GET_ABS_TIMEOUT(_clockid, _to, _timeout_ns) do { \ + ASSERT_EQ(clock_gettime((_clockid), (_to)), 0) \ + TH_LOG("clock_gettime failed"); \ + (_to)->tv_nsec += (_timeout_ns); \ + if ((_to)->tv_nsec >= 1000000000) { \ + (_to)->tv_sec++; \ + (_to)->tv_nsec -= 1000000000; \ + } \ +} while (0) TEST(wait_bitset) { @@ -90,19 +84,17 @@ TEST(wait_bitset) to.tv_nsec = timeout_ns; res = futex_wait(&f1, f1, &to, 0); - test_timeout(res, "futex_wait relative", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_wait relative", ETIMEDOUT); /* FUTEX_WAIT_BITSET with CLOCK_REALTIME */ - if (futex_get_abs_timeout(CLOCK_REALTIME, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_REALTIME, &to, timeout_ns); res = futex_wait_bitset(&f1, f1, &to, 1, FUTEX_CLOCK_REALTIME); - test_timeout(res, "futex_wait_bitset realtime", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_wait_bitset realtime", ETIMEDOUT); /* FUTEX_WAIT_BITSET with CLOCK_MONOTONIC */ - if (futex_get_abs_timeout(CLOCK_MONOTONIC, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_MONOTONIC, &to, timeout_ns); res = futex_wait_bitset(&f1, f1, &to, 1, 0); - test_timeout(res, "futex_wait_bitset monotonic", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_wait_bitset monotonic", ETIMEDOUT); } TEST(requeue_pi) @@ -112,17 +104,14 @@ TEST(requeue_pi) int res; /* FUTEX_WAIT_REQUEUE_PI with CLOCK_REALTIME */ - if (futex_get_abs_timeout(CLOCK_REALTIME, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_REALTIME, &to, timeout_ns); res = futex_wait_requeue_pi(&f1, f1, &futex_pi, &to, FUTEX_CLOCK_REALTIME); - test_timeout(res, "futex_wait_requeue_pi realtime", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_wait_requeue_pi realtime", ETIMEDOUT); /* FUTEX_WAIT_REQUEUE_PI with CLOCK_MONOTONIC */ - if (futex_get_abs_timeout(CLOCK_MONOTONIC, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_MONOTONIC, &to, timeout_ns); res = futex_wait_requeue_pi(&f1, f1, &futex_pi, &to, 0); - test_timeout(res, "futex_wait_requeue_pi monotonic", ETIMEDOUT); - + TEST_TIMEOUT(res, "futex_wait_requeue_pi monotonic", ETIMEDOUT); } TEST(lock_pi) @@ -133,7 +122,8 @@ TEST(lock_pi) /* Create a thread that will lock forever so any waiter will timeout */ pthread_barrier_init(&barrier, NULL, 2); - pthread_create(&thread, NULL, get_pi_lock, NULL); + ASSERT_EQ(pthread_create(&thread, NULL, get_pi_lock, _metadata), 0) + TH_LOG("pthread_create failed"); /* Wait until the other thread calls futex_lock_pi() */ pthread_barrier_wait(&barrier); @@ -149,14 +139,13 @@ TEST(lock_pi) * time or your time machine) the monotonic clock value is always * smaller than realtime and the syscall will timeout immediately. */ - if (futex_get_abs_timeout(CLOCK_REALTIME, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_REALTIME, &to, timeout_ns); res = futex_lock_pi(&futex_pi, &to, 0, 0); - test_timeout(res, "futex_lock_pi realtime", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_lock_pi realtime", ETIMEDOUT); /* Test operations that don't support FUTEX_CLOCK_REALTIME */ res = futex_lock_pi(&futex_pi, NULL, 0, FUTEX_CLOCK_REALTIME); - test_timeout(res, "futex_lock_pi invalid timeout flag", ENOSYS); + TEST_TIMEOUT(res, "futex_lock_pi invalid timeout flag", ENOSYS); } TEST(waitv) @@ -171,17 +160,18 @@ TEST(waitv) struct timespec to; int res; + if (!is_futex_waitv_supported()) + SKIP(return, "futex_waitv syscall not supported"); + /* futex_waitv with CLOCK_MONOTONIC */ - if (futex_get_abs_timeout(CLOCK_MONOTONIC, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_MONOTONIC, &to, timeout_ns); res = futex_waitv(&waitv, 1, 0, &to, CLOCK_MONOTONIC); - test_timeout(res, "futex_waitv monotonic", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_waitv monotonic", ETIMEDOUT); /* futex_waitv with CLOCK_REALTIME */ - if (futex_get_abs_timeout(CLOCK_REALTIME, &to, timeout_ns)) - ksft_test_result_error("get_time error"); + GET_ABS_TIMEOUT(CLOCK_REALTIME, &to, timeout_ns); res = futex_waitv(&waitv, 1, 0, &to, CLOCK_REALTIME); - test_timeout(res, "futex_waitv realtime", ETIMEDOUT); + TEST_TIMEOUT(res, "futex_waitv realtime", ETIMEDOUT); } TEST_HARNESS_MAIN |