2 * Check decoding of timeout argument of recvmmsg syscall.
4 * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
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12 * 2. Redistributions in binary form must reproduce the above copyright
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18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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39 if (socketpair(AF_UNIX, SOCK_STREAM, 0, fds))
40 perror_msg_and_skip("socketpair");
42 if (send(fds[1], "A", 1, 0) != 1)
43 perror_msg_and_skip("send");
46 struct iovec iov = { .iov_base = &buf, .iov_len = sizeof(buf) };
53 struct timespec t = { .tv_sec = 0, .tv_nsec = 12345678 };
55 int rc = recv_mmsg(-1, &mh, 1, 0, &t);
56 printf("recvmmsg(-1, %p, 1, 0, {tv_sec=0, tv_nsec=12345678})"
57 " = %d %s (%m)\n", &mh, rc, errno2name());
59 rc = recv_mmsg(fds[0], &mh, 1, 0, &t);
61 perror_msg_and_skip("recvmmsg");
62 printf("recvmmsg(%d, [{msg_hdr={msg_name=NULL, msg_namelen=0"
63 ", msg_iov=[{iov_base=\"A\", iov_len=1}], msg_iovlen=1"
64 ", msg_controllen=0, msg_flags=0}, msg_len=1}], 1, 0"
65 ", {tv_sec=0, tv_nsec=12345678}) = "
66 "%d (left {tv_sec=0, tv_nsec=%d})\n",
67 fds[0], rc, (int) t.tv_nsec);
69 puts("+++ exited with 0 +++");