svn commit: r224721 - head/sys/sys

[Jonathan Anderson]

Author: jonathan
Date: Mon Aug  8 20:36:52 2011
New Revision: 224721
URL: http://svn.freebsd.org/changeset/base/224721

Log:
  Create timeval2timespec() and timespec2timeval().
  
  These functions will be used by process descriptors to convert process
  creation time into process descriptor [acm]time.
  
  Approved by: re (kib), mentor (rwatson)
  Suggested by: jhb
  Sponsored by: Google Inc

Modified:
  head/sys/sys/time.h

Modified: head/sys/sys/time.h
==============================================================================
--- head/sys/sys/time.h	Mon Aug  8 19:03:26 2011	(r224720)
+++ head/sys/sys/time.h	Mon Aug  8 20:36:52 2011	(r224721)
@@ -195,6 +195,24 @@ timeval2bintime(const struct timeval *tv
 	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
 	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
 
+/* Conversion between timespec and timeval. */
+
+static __inline void
+timeval2timespec(const struct timeval *tv, struct timespec *ts)
+{
+
+	ts->tv_sec = tv->tv_sec;
+	ts->tv_nsec = 1000 * tv->tv_usec;
+}
+
+static __inline void
+timespec2timeval(const struct timespec *ts, struct timeval *tv)
+{
+
+	tv->tv_sec = ts->tv_sec;
+	tv->tv_usec = ts->tv_nsec / 1000;
+}
+
 /* timevaladd and timevalsub are not inlined */
 
 #endif /* _KERNEL */