59 lines
921 B
C
59 lines
921 B
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* Copyright (C) 2015-2017 Cyril Hrubis <chrubis@suse.cz>
|
|
*/
|
|
|
|
/*
|
|
* Check that poll() timeouts correctly.
|
|
*/
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <sys/wait.h>
|
|
#include <sys/poll.h>
|
|
|
|
#include "tst_timer_test.h"
|
|
|
|
static int fds[2];
|
|
|
|
int sample_fn(int clk_id, long long usec)
|
|
{
|
|
unsigned int sleep_ms = usec / 1000;
|
|
|
|
struct pollfd pfds[] = {
|
|
{.fd = fds[0], .events = POLLIN}
|
|
};
|
|
|
|
tst_timer_start(clk_id);
|
|
TEST(poll(pfds, 1, sleep_ms));
|
|
tst_timer_stop();
|
|
tst_timer_sample();
|
|
|
|
if (TST_RET != 0) {
|
|
tst_res(TFAIL | TTERRNO, "poll() returned %li", TST_RET);
|
|
return 1;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void setup(void)
|
|
{
|
|
SAFE_PIPE(fds);
|
|
}
|
|
|
|
static void cleanup(void)
|
|
{
|
|
if (fds[0] > 0)
|
|
SAFE_CLOSE(fds[0]);
|
|
|
|
if (fds[1] > 0)
|
|
SAFE_CLOSE(fds[1]);
|
|
}
|
|
|
|
static struct tst_test test = {
|
|
.scall = "poll()",
|
|
.sample = sample_fn,
|
|
.setup = setup,
|
|
.cleanup = cleanup,
|
|
};
|