unplugged-system/external/ltp/testcases/kernel/syscalls/epoll_pwait/epoll_pwait05.c

71 lines
1.4 KiB
C

// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright (c) Huawei Technologies Co., Ltd. 2021. All rights reserved.
* Author: Xie Ziyao <xieziyao@huawei.com>
*/
/*\
* [Description]
*
* Verify that, epoll_pwait2() return -1 and set errno to EINVAL with an
* invalid timespec.
*/
#include <sys/epoll.h>
#include "tst_test.h"
#include "tst_timer.h"
#include "lapi/epoll.h"
static int efd, sfd[2];
static struct epoll_event e;
static struct test_case_t {
struct timespec ts;
int exp_errno;
const char *desc;
} tc[] = {
{{.tv_sec = -1}, EINVAL, "ts.tv_sec < 0"},
{{.tv_nsec = -1}, EINVAL, "ts.tv_nsec < 0"},
{{.tv_nsec = NSEC_PER_SEC}, EINVAL, "ts.tv_nsec >= NSEC_PER_SEC"},
};
static void run_all(unsigned int n)
{
TST_EXP_FAIL(epoll_pwait2(efd, &e, 1, &tc[n].ts, NULL),
tc[n].exp_errno, "with %s", tc[n].desc);
}
static void setup(void)
{
SAFE_SOCKETPAIR(AF_UNIX, SOCK_STREAM, 0, sfd);
efd = epoll_create(1);
if (efd == -1)
tst_brk(TBROK | TERRNO, "epoll_create()");
e.events = EPOLLIN;
if (epoll_ctl(efd, EPOLL_CTL_ADD, sfd[0], &e))
tst_brk(TBROK | TERRNO, "epoll_clt(..., EPOLL_CTL_ADD, ...)");
SAFE_WRITE(SAFE_WRITE_ALL, sfd[1], "w", 1);
}
static void cleanup(void)
{
if (efd > 0)
SAFE_CLOSE(efd);
if (sfd[0] > 0)
SAFE_CLOSE(sfd[0]);
if (sfd[1] > 0)
SAFE_CLOSE(sfd[1]);
}
static struct tst_test test = {
.test = run_all,
.setup = setup,
.cleanup = cleanup,
.tcnt = ARRAY_SIZE(tc),
};