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Update ntp_gettime for Linux.

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The ntp_gettime implementation of NTP exports the tai field the kernel
now produces.  This requires an ABI change since the ntptimeval structure
changed.  Upstream kept the same name, there is nothing to do.  This
patch changes the ntptimeval structure but keeps the old ntp_gettime
definition.  A new ntp_gettimex function which is transparently invoked
through the old name is introduced.  This has the advantage that even
object files can remain compatible.  This wouldn't be the case if
symbol versioning would be used to overload the name ntp_gettime.
This commit is contained in:
Ulrich Drepper
2009-11-22 11:07:04 -08:00
parent 89b432d7a5
commit eb4157390c
6 changed files with 79 additions and 7 deletions
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9
sysdeps/unix/sysv/linux/ntp_gettime.c
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@ -1,4 +1,4 @@
/* Copyright (C) 1999, 2002 Free Software Foundation, Inc.
/* Copyright (C) 1999, 2002, 2009 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
@ -16,8 +16,12 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#define ntp_gettime ntp_gettime_redirect
#include <sys/timex.h>
#undef ntp_gettime
#ifndef MOD_OFFSET
# define modes mode
#endif
@ -27,8 +31,7 @@ extern int INTUSE(__adjtimex) (struct timex *__ntx);
int
ntp_gettime (ntv)
struct ntptimeval *ntv;
ntp_gettime (struct ntptimeval *ntv)
{
struct timex tntx;
int result;