44 lines
961 B
C
44 lines
961 B
C
/*
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* Check silent decoding of sendmmsg and recvmmsg syscalls.
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*
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* Copyright (c) 2016-2018 Dmitry V. Levin <ldv@altlinux.org>
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* All rights reserved.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "tests.h"
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#include <stdio.h>
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#include "msghdr.h"
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int
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main(void)
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{
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int fds[2];
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if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds))
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perror_msg_and_skip("socketpair");
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char buf = 'A';
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struct iovec iov = { .iov_base = &buf, .iov_len = sizeof(buf) };
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struct mmsghdr mh = {
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.msg_hdr = {
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.msg_iov = &iov,
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.msg_iovlen = 1
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}
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};
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int rc = send_mmsg(fds[1], &mh, 1, MSG_DONTWAIT);
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if (rc < 0)
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perror_msg_and_skip("sendmmsg");
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printf("sendmmsg(%d, %p, 1, MSG_DONTWAIT) = %d\n", fds[1], &mh, rc);
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struct timespec t = { .tv_sec = 0, .tv_nsec = 12345678 };
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rc = recv_mmsg(fds[0], &mh, 1, MSG_DONTWAIT, &t);
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printf("recvmmsg(%d, %p, 1, MSG_DONTWAIT, %p) = %d\n",
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fds[0], &mh, &t, rc);
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puts("+++ exited with 0 +++");
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return 0;
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}
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