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/*
* Check decoding of vhangup syscall.
*
* Copyright (c) 2016-2021 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include "scno.h"
#include <stdio.h>
#include <unistd.h>
int
main(void)
{
if (setsid() == -1)
perror_msg_and_skip("setsid");
long rc = syscall(__NR_vhangup);
/*
* On setsid() success, the new session has no controlling terminal,
* therefore a subsequent vhangup() has nothing to hangup.
*
* The system call, however, returns 0 iff the calling process
* has CAP_SYS_TTY_CONFIG capability.
*/
printf("vhangup() = %s\n", sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}
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