73 lines
1.3 KiB
C
73 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) 2016 Fujitsu Ltd.
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* Author: Guangwen Feng <fenggw-fnst@cn.fujitsu.com>
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* Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
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*/
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/*
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* Check that epoll_wait(2) timeouts correctly.
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*/
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#include <sys/epoll.h>
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#include <unistd.h>
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#include <errno.h>
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#include "tst_timer_test.h"
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static int epfd, fds[2];
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static struct epoll_event epevs[1] = {
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{.events = EPOLLIN}
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};
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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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tst_timer_start(clk_id);
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TEST(epoll_wait(epfd, epevs, 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,
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"epoll_wait() 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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epfd = epoll_create(1);
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if (epfd == -1)
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tst_brk(TBROK | TERRNO, "epoll_create()");
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epevs[0].data.fd = fds[0];
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if (epoll_ctl(epfd, EPOLL_CTL_ADD, fds[0], &epevs[0]))
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tst_brk(TBROK | TERRNO, "epoll_clt(..., EPOLL_CTL_ADD, ...)");
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}
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static void cleanup(void)
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{
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if (epfd > 0)
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SAFE_CLOSE(epfd);
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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 = "epoll_wait()",
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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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