72 lines
1.6 KiB
C
72 lines
1.6 KiB
C
/*
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* Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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/*
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* Check that poll() timeouts correctly.
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*/
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#include <errno.h>
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#include <fcntl.h>
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#include <sys/wait.h>
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#include <sys/poll.h>
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#include "tst_timer_test.h"
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static int fds[2];
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int sample_fn(int clk_id, long long usec)
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{
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unsigned int sleep_ms = usec / 1000;
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struct pollfd pfds[] = {
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{.fd = fds[0], .events = POLLIN}
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};
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tst_timer_start(clk_id);
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TEST(poll(pfds, 1, sleep_ms));
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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, "poll() 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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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 = "poll()",
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.sample = sample_fn,
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.setup = setup,
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.cleanup = cleanup,
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};
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