66 lines
1.0 KiB
C
66 lines
1.0 KiB
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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* Check that select() timeouts correctly.
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*/
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#include <unistd.h>
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#include <errno.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include "tst_timer_test.h"
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#include "select_var.h"
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static int fds[2];
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static int sample_fn(int clk_id, long long usec)
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{
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struct timeval timeout = tst_us_to_timeval(usec);
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fd_set sfds;
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FD_ZERO(&sfds);
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FD_SET(fds[0], &sfds);
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tst_timer_start(clk_id);
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TEST(do_select(1, &sfds, NULL, NULL, &timeout));
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tst_timer_stop();
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tst_timer_sample();
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if (TST_RET != 0) {
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tst_res(TFAIL | TTERRNO, "select() returned %li", TST_RET);
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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 void setup(void)
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{
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select_info();
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SAFE_PIPE(fds);
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}
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static void cleanup(void)
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{
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if (fds[0] > 0)
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SAFE_CLOSE(fds[0]);
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if (fds[1] > 0)
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SAFE_CLOSE(fds[1]);
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}
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static struct tst_test test = {
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.scall = "select()",
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.sample = sample_fn,
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.setup = setup,
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.test_variants = TEST_VARIANTS,
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.cleanup = cleanup,
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};
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