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Revert "support: Add support_socket_so_timestamp_time64"

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This reverts commit a4cf12360f.
This commit is contained in:
Adhemerval Zanella 2022-01-12 10:35:02 -03:00
parent 62db87ab24
commit 5bd83aa836
3 changed files with 0 additions and 61 deletions
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1
support/Makefile
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@ -80,7 +80,6 @@ libsupport-routines = \
support_set_small_thread_stack_size \
support_shared_allocate \
support_small_stack_thread_attribute \
support_socket_so_timestamp_time64 \
support_stat_nanoseconds \
support_subprocess \
support_test_compare_blob \

4
support/support.h
View File

@ -183,10 +183,6 @@ extern bool support_select_modifies_timeout (void);
tv_usec larger than 1000000. */
extern bool support_select_normalizes_timeout (void);
/* Return true if socket FD supports 64-bit timestamps with the SOL_SOCKET
and SO_TIMESTAMP/SO_TIMESTAMPNS. */
extern bool support_socket_so_timestamp_time64 (int fd);
/* Create a timer that trigger after SEC seconds and NSEC nanoseconds. If
REPEAT is true the timer will repeat indefinitely. If CALLBACK is not
NULL, the function will be called when the timer expires; otherwise a

56
support/support_socket_so_timestamp_time64.c
View File

@ -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
}