Add clock_adjtime syscall.

1 files changed, 93 insertions, 0 deletions

diff --git a/sysdeps/unix/sysv/linux/bits/time.h b/sysdeps/unix/sysv/linux/bits/time.h
new file mode 100644
index 0000000000..02a05114f2
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/bits/time.h
@@ -0,0 +1,93 @@
+/* System-dependent timing definitions.  Linux version.
+   Copyright (C) 1996,1997,1999-2003,2010,2011 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+/*
+ * Never include this file directly; use <time.h> instead.
+ */
+
+#if defined __need_timeval || defined __USE_GNU
+# ifndef _STRUCT_TIMEVAL
+#  define _STRUCT_TIMEVAL	1
+#  include <bits/types.h>
+
+/* A time value that is accurate to the nearest
+   microsecond but also has a range of years.  */
+struct timeval
+  {
+    __time_t tv_sec;		/* Seconds.  */
+    __suseconds_t tv_usec;	/* Microseconds.  */
+  };
+# endif	/* struct timeval */
+#endif
+
+#ifndef __need_timeval
+# ifndef _BITS_TIME_H
+#  define _BITS_TIME_H	1
+
+/* ISO/IEC 9899:1990 7.12.1: <time.h>
+   The macro `CLOCKS_PER_SEC' is the number per second of the value
+   returned by the `clock' function. */
+/* CAE XSH, Issue 4, Version 2: <time.h>
+   The value of CLOCKS_PER_SEC is required to be 1 million on all
+   XSI-conformant systems. */
+#  define CLOCKS_PER_SEC  1000000l
+
+#  if !defined __STRICT_ANSI__ && !defined __USE_XOPEN2K
+/* Even though CLOCKS_PER_SEC has such a strange value CLK_TCK
+   presents the real value for clock ticks per second for the system.  */
+#   include <bits/types.h>
+extern long int __sysconf (int);
+#   define CLK_TCK ((__clock_t) __sysconf (2))	/* 2 is _SC_CLK_TCK */
+#  endif
+
+#  ifdef __USE_POSIX199309
+/* Identifier for system-wide realtime clock.  */
+#   define CLOCK_REALTIME		0
+/* Monotonic system-wide clock.  */
+#   define CLOCK_MONOTONIC		1
+/* High-resolution timer from the CPU.  */
+#   define CLOCK_PROCESS_CPUTIME_ID	2
+/* Thread-specific CPU-time clock.  */
+#   define CLOCK_THREAD_CPUTIME_ID	3
+/* Monotonic system-wide clock, not adjusted for frequency scaling.  */
+#   define CLOCK_MONOTONIC_RAW		4
+/* Identifier for system-wide realtime clock, updated only on ticks.  */
+#   define CLOCK_REALTIME_COARSE	5
+/* Monotonic system-wide clock, updated only on ticks.  */
+#   define CLOCK_MONOTONIC_COARSE	6
+
+/* Flag to indicate time is absolute.  */
+#   define TIMER_ABSTIME		1
+#  endif
+
+#  ifdef __USE_GNU
+#   include <bits/timex.h>
+
+__BEGIN_DECLS
+
+/* Tune a POSIX clock.  */
+extern int clock_adjtime (__clockid_t __clock_id, struct timex *__utx) __THROW;
+
+__END_DECLS
+#  endif /* use GNU */
+
+# endif	/* bits/time.h */
+#endif
+
+#undef __need_timeval