android13/external/ltp/testcases/kernel/syscalls/pselect/pselect01.c

38 lines
705 B
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) 2017 Cyril Hrubis <chrubis@suse.cz>
*/
#include <sys/select.h>
#include <sys/time.h>
#include <sys/types.h>
#include <errno.h>
#include "tst_timer_test.h"
int sample_fn(int clk_id, long long usec)
{
fd_set readfds;
struct timespec tv = tst_timespec_from_us(usec);
FD_ZERO(&readfds);
FD_SET(0, &readfds);
tst_timer_start(clk_id);
TEST(pselect(0, &readfds, NULL, NULL, &tv, NULL));
tst_timer_stop();
tst_timer_sample();
if (TST_RET != 0) {
tst_res(TFAIL | TTERRNO,
"pselect() returned %li on timeout", TST_RET);
return 1;
}
return 0;
}
static struct tst_test test = {
.scall = "pselect()",
.sample = sample_fn,
};