45 lines
891 B
C
45 lines
891 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*
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* 1. Block on a futex and wait for timeout.
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* 2. Check that the futex waited for expected time.
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*/
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#include <errno.h>
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#include "tst_timer_test.h"
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#include "futextest.h"
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int sample_fn(int clk_id, long long usec)
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{
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struct timespec to = tst_timespec_from_us(usec);
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futex_t futex = FUTEX_INITIALIZER;
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tst_timer_start(clk_id);
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TEST(syscall(SYS_futex, &futex, FUTEX_WAIT, futex, &to, NULL, 0));
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tst_timer_stop();
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tst_timer_sample();
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if (TST_RET != -1) {
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tst_res(TFAIL, "futex_wait() returned %li, expected -1",
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TST_RET);
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return 1;
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}
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if (TST_ERR != ETIMEDOUT) {
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tst_res(TFAIL | TTERRNO, "expected errno=%s",
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tst_strerrno(ETIMEDOUT));
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return 1;
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}
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return 0;
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}
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static struct tst_test test = {
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.scall = "futex_wait()",
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.sample = sample_fn,
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};
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