* Copyright (c) International Business Machines Corp., 2002
* Copyright (C) 2024 SUSE LLC Andrea Cervesato <andrea.cervesato@suse.com>
*/
* Verify that slave pseudo-terminal fails reading/writing if master has been
* closed.
*/
#define _GNU_SOURCE
#include "common.h"
static void run(void)
{
int slavefd;
int masterfd;
char buf;
masterfd = open_master();
slavefd = open_slave(masterfd);
tst_res(TINFO, "Closing master communication");
SAFE_CLOSE(masterfd);
TST_EXP_EQ_LI(read(slavefd, &buf, 1), 0);
TST_EXP_FAIL(write(slavefd, &buf, 1), EIO);
SAFE_CLOSE(slavefd);
}
static struct tst_test test = {
.test_all = run,
};