Revert "support: Add support_socket_so_timestamp_time64"

This reverts commit a4cf12360fb7a8eae4fa4923763309b7f10797c3.

1 files changed, 0 insertions, 56 deletions

diff --git a/support/support_socket_so_timestamp_time64.c b/support/support_socket_so_timestamp_time64.c
deleted file mode 100644
index eb8f8ef0cc..0000000000
--- a/support/support_socket_so_timestamp_time64.c
+++ /dev/null
@@ -1,56 +0,0 @@
-/* Return whether socket supports 64-bit timestamps.
-   Copyright (C) 2021 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <errno.h>
-#include <unistd.h>
-#include <sys/syscall.h>
-#include <sys/socket.h>
-#include <support/support.h>
-#ifdef __linux__
-# include <socket-constants-time64.h>
-#endif
-
-bool
-support_socket_so_timestamp_time64 (int fd)
-{
-#ifdef __linux__
-# if __LINUX_KERNEL_VERSION >= 0x050100                          \
-   || __WORDSIZE == 64                                           \
-   || (defined __SYSCALL_WORDSIZE && __SYSCALL_WORDSIZE == 64)
-  return true;
-# else
-  int level = SOL_SOCKET;
-  int optname = COMPAT_SO_TIMESTAMP_NEW;
-  int optval;
-  socklen_t len = sizeof (optval);
-
-  int r = syscall (__NR_getsockopt, fd, level, optname, &optval, &len);
-#  ifdef __NR_socketcall
-  if (r == -1 && errno == ENOSYS)
-    {
-      long int args[] = { fd, level, optname, (long int) &optval,
-			  sizeof (optval) };
-      r = syscall (__NR_socketcall, 15 /* SOCKOP_getsockopt  */ , args);
-    }
-#  endif
-  return r != -1;
-# endif
-#else
-  return false;
-#endif
-}