1f08c3bdfSopenharmony_ci// SPDX-License-Identifier: GPL-2.0-or-later 2f08c3bdfSopenharmony_ci/* 3f08c3bdfSopenharmony_ci * Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz> 4f08c3bdfSopenharmony_ci */ 5f08c3bdfSopenharmony_ci 6f08c3bdfSopenharmony_ci/* 7f08c3bdfSopenharmony_ci * 1. Block on a futex and wait for timeout. 8f08c3bdfSopenharmony_ci * 2. Check that the futex waited for expected time. 9f08c3bdfSopenharmony_ci */ 10f08c3bdfSopenharmony_ci 11f08c3bdfSopenharmony_ci#include <errno.h> 12f08c3bdfSopenharmony_ci 13f08c3bdfSopenharmony_ci#include "tst_timer_test.h" 14f08c3bdfSopenharmony_ci#include "futextest.h" 15f08c3bdfSopenharmony_ci 16f08c3bdfSopenharmony_ciint sample_fn(int clk_id, long long usec) 17f08c3bdfSopenharmony_ci{ 18f08c3bdfSopenharmony_ci struct timespec to = tst_timespec_from_us(usec); 19f08c3bdfSopenharmony_ci futex_t futex = FUTEX_INITIALIZER; 20f08c3bdfSopenharmony_ci 21f08c3bdfSopenharmony_ci tst_timer_start(clk_id); 22f08c3bdfSopenharmony_ci TEST(syscall(SYS_futex, &futex, FUTEX_WAIT, futex, &to, NULL, 0)); 23f08c3bdfSopenharmony_ci tst_timer_stop(); 24f08c3bdfSopenharmony_ci tst_timer_sample(); 25f08c3bdfSopenharmony_ci 26f08c3bdfSopenharmony_ci if (TST_RET != -1) { 27f08c3bdfSopenharmony_ci tst_res(TFAIL, "futex_wait() returned %li, expected -1", 28f08c3bdfSopenharmony_ci TST_RET); 29f08c3bdfSopenharmony_ci return 1; 30f08c3bdfSopenharmony_ci } 31f08c3bdfSopenharmony_ci 32f08c3bdfSopenharmony_ci if (TST_ERR != ETIMEDOUT) { 33f08c3bdfSopenharmony_ci tst_res(TFAIL | TTERRNO, "expected errno=%s", 34f08c3bdfSopenharmony_ci tst_strerrno(ETIMEDOUT)); 35f08c3bdfSopenharmony_ci return 1; 36f08c3bdfSopenharmony_ci } 37f08c3bdfSopenharmony_ci 38f08c3bdfSopenharmony_ci return 0; 39f08c3bdfSopenharmony_ci} 40f08c3bdfSopenharmony_ci 41f08c3bdfSopenharmony_cistatic struct tst_test test = { 42f08c3bdfSopenharmony_ci .scall = "futex_wait()", 43f08c3bdfSopenharmony_ci .sample = sample_fn, 44f08c3bdfSopenharmony_ci}; 45