blob: 64ce16a9ea7dae695bc0158d152f362707b8a048 [file] [log] [blame]
/*
* Check decoding of timeout argument of recvmmsg syscall.
*
* Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
* Copyright (c) 2016-2017 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "tests.h"
#include <stdio.h>
#include "msghdr.h"
int
main(void)
{
int fds[2];
if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds))
perror_msg_and_skip("socketpair");
if (send(fds[1], "A", 1, 0) != 1)
perror_msg_and_skip("send");
char buf;
struct iovec iov = { .iov_base = &buf, .iov_len = sizeof(buf) };
struct mmsghdr mh = {
.msg_hdr = {
.msg_iov = &iov,
.msg_iovlen = 1
}
};
TAIL_ALLOC_OBJECT_CONST_PTR(struct timespec, ts);
ts->tv_sec = 0;
ts->tv_nsec = 12345678;
int rc = recv_mmsg(-1, &mh, 1, 0, ts);
printf("recvmmsg(-1, %p, 1, 0, {tv_sec=0, tv_nsec=12345678})"
" = %s\n", &mh, sprintrc(rc));
rc = recv_mmsg(fds[0], &mh, 1, 0, ts);
if (rc < 0)
perror_msg_and_skip("recvmmsg");
printf("recvmmsg(%d, [{msg_hdr={msg_name=NULL, msg_namelen=0"
", msg_iov=[{iov_base=\"A\", iov_len=1}], msg_iovlen=1"
", msg_controllen=0, msg_flags=0}, msg_len=1}], 1, 0"
", {tv_sec=0, tv_nsec=12345678}) = "
"%d (left {tv_sec=0, tv_nsec=%d})\n",
fds[0], rc, (int) ts->tv_nsec);
ts->tv_sec = 0xdeadbeefU;
ts->tv_nsec = 0xfacefeedU;
rc = recv_mmsg(fds[0], &mh, 1, 0, ts);
printf("recvmmsg(%d, %p, 1, 0, {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
fds[0], &mh, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
ts->tv_sec = (time_t) 0xcafef00ddeadbeefLL;
ts->tv_nsec = (long) 0xbadc0dedfacefeedLL;
rc = recv_mmsg(fds[0], &mh, 1, 0, ts);
printf("recvmmsg(%d, %p, 1, 0, {tv_sec=%lld, tv_nsec=%llu}) = %s\n",
fds[0], &mh, (long long) ts->tv_sec,
zero_extend_signed_to_ull(ts->tv_nsec), sprintrc(rc));
puts("+++ exited with 0 +++");
return 0;
}