strace/tests/tee.c

41 lines
850 B
C

/*
* This file is part of tee strace test.
*
* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <asm/unistd.h>
#if defined __NR_tee
# include <stdio.h>
# include <unistd.h>
int
main(void)
{
const long int fd_in = (long int) 0xdeadbeefffffffffULL;
const long int fd_out = (long int) 0xdeadbeeffffffffeULL;
const size_t len = (size_t) 0xdeadbef3facefed3ULL;
const unsigned int flags = 15;
long rc = syscall(__NR_tee, fd_in, fd_out, len, flags);
printf("tee(%d, %d, %zu, %s) = %ld %s (%m)\n",
(int) fd_in, (int) fd_out, len,
"SPLICE_F_MOVE|SPLICE_F_NONBLOCK|SPLICE_F_MORE|SPLICE_F_GIFT",
rc, errno2name());
puts("+++ exited with 0 +++");
return 0;
}
#else
SKIP_MAIN_UNDEFINED("__NR_tee")
#endif