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/*
* Wrappers for recvmmsg and sendmmsg syscalls.
*
* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@strace.io>
* Copyright (c) 2016-2023 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "tests.h"
#include <errno.h>
#include "scno.h"
#ifndef __NR_recvmmsg
# define __NR_recvmmsg -1
#endif
#define SC_recvmmsg 19
#ifndef __NR_sendmmsg
# define __NR_sendmmsg -1
#endif
#define SC_sendmmsg 20
int
recv_mmsg(const int fd, struct mmsghdr *const vec,
const unsigned int vlen, const unsigned int flags,
kernel_old_timespec_t *const timeout)
{
int rc = socketcall(__NR_recvmmsg, SC_recvmmsg,
fd, (long) vec, vlen, flags, (long) timeout);
if (rc < 0 && ENOSYS == errno)
perror_msg_and_skip("recvmmsg");
return rc;
}
int
send_mmsg(const int fd, struct mmsghdr *const vec,
const unsigned int vlen, const unsigned int flags)
{
int rc = socketcall(__NR_sendmmsg, SC_sendmmsg,
fd, (long) vec, vlen, flags, 0);
if (rc < 0 && ENOSYS == errno)
perror_msg_and_skip("sendmmsg");
return rc;
}
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