[glibc] y2038: linux: Add __USE_TIME_BITS64 support for struct timex

[glibc] y2038: linux: Add __USE_TIME_BITS64 support for struct timex

[Adhemerval Zanella]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=746ef78afeb8137f3ba747353efb7637d3bb1850

commit 746ef78afeb8137f3ba747353efb7637d3bb1850
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Date:   Wed Feb 17 16:20:43 2021 -0300

    y2038: linux: Add __USE_TIME_BITS64 support for struct timex
    
    The __USE_TIME_BITS64 is not defined internally yet.
    
    Reviewed-by: Lukasz Majewski <lukma@denx.de>
    Reviewed-by: Carlos O'Donell <carlos@redhat.com>
    Tested-by: Carlos O'Donell <carlos@redhat.com>

Diff:
---
 sysdeps/unix/sysv/linux/bits/timex.h | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/sysdeps/unix/sysv/linux/bits/timex.h b/sysdeps/unix/sysv/linux/bits/timex.h
index 9b2e30f3e0..ee37694e8f 100644
--- a/sysdeps/unix/sysv/linux/bits/timex.h
+++ b/sysdeps/unix/sysv/linux/bits/timex.h
@@ -25,6 +25,36 @@
 
 struct timex
 {
+# ifdef __USE_TIME_BITS64
+  unsigned int modes;          /* mode selector */
+  int :32;                     /* pad */
+  long long offset;            /* time offset (usec) */
+  long long freq;              /* frequency offset (scaled ppm) */
+  long long maxerror;          /* maximum error (usec) */
+  long long esterror;          /* estimated error (usec) */
+  int status;                  /* clock command/status */
+  int :32;                     /* pad */
+  long long constant;          /* pll time constant */
+  long long precision;         /* clock precision (usec) (read only) */
+  long long tolerance;         /* clock frequency tolerance (ppm) (ro) */
+  struct timeval time;     /* (read only, except for ADJ_SETOFFSET) */
+  long long tick;              /* (modified) usecs between clock ticks */
+  long long ppsfreq;           /* pps frequency (scaled ppm) (ro) */
+  long long jitter;            /* pps jitter (us) (ro) */
+  int shift;                   /* interval duration (s) (shift) (ro) */
+  int :32;                     /* pad */
+  long long stabil;            /* pps stability (scaled ppm) (ro) */
+  long long jitcnt;            /* jitter limit exceeded (ro) */
+  long long calcnt;            /* calibration intervals (ro) */
+  long long errcnt;            /* calibration errors (ro) */
+  long long stbcnt;            /* stability limit exceeded (ro) */
+
+  int tai;                     /* TAI offset (ro) */
+
+  int  :32; int  :32; int  :32; int  :32;
+  int  :32; int  :32; int  :32; int  :32;
+  int  :32; int  :32; int  :32;
+# else
   unsigned int modes;		/* mode selector */
   __syscall_slong_t offset;	/* time offset (usec) */
   __syscall_slong_t freq;	/* frequency offset (scaled ppm) */
@@ -51,6 +81,7 @@ struct timex
   int  :32; int  :32; int  :32; int  :32;
   int  :32; int  :32; int  :32; int  :32;
   int  :32; int  :32; int  :32;
+# endif
 };
 
 /* Mode codes (timex.mode) */