91 lines
3.2 KiB
C
91 lines
3.2 KiB
C
/*
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* Check decoding of timeout argument of recvmmsg syscall.
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*
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* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
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* Copyright (c) 2016-2017 The strace developers.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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if (send(fds[1], "A", 1, 0) != 1)
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perror_msg_and_skip("send");
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char buf;
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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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TAIL_ALLOC_OBJECT_CONST_PTR(struct timespec, ts);
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ts->tv_sec = 0;
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ts->tv_nsec = 12345678;
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int rc = recv_mmsg(-1, &mh, 1, 0, ts);
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printf("recvmmsg(-1, %p, 1, 0, {tv_sec=0, tv_nsec=12345678})"
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" = %s\n", &mh, sprintrc(rc));
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rc = recv_mmsg(fds[0], &mh, 1, 0, ts);
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if (rc < 0)
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perror_msg_and_skip("recvmmsg");
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printf("recvmmsg(%d, [{msg_hdr={msg_name=NULL, msg_namelen=0"
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", msg_iov=[{iov_base=\"A\", iov_len=1}], msg_iovlen=1"
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", msg_controllen=0, msg_flags=0}, msg_len=1}], 1, 0"
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", {tv_sec=0, tv_nsec=12345678}) = "
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"%d (left {tv_sec=0, tv_nsec=%d})\n",
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fds[0], rc, (int) ts->tv_nsec);
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ts->tv_sec = 0xdeadbeefU;
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ts->tv_nsec = 0xfacefeedU;
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rc = recv_mmsg(fds[0], &mh, 1, 0, ts);
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printf("recvmmsg(%d, %p, 1, 0, {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
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fds[0], &mh, (long long) ts->tv_sec,
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zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
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ts->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
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ts->tv_nsec = (long) 0xbadc0dedfacefeedLL;
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rc = recv_mmsg(fds[0], &mh, 1, 0, ts);
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printf("recvmmsg(%d, %p, 1, 0, {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
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fds[0], &mh, (long long) ts->tv_sec,
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zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
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puts("+++ exited with 0 +++");
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return 0;
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}
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