src/winsup/cygwin ChangeLog fhandler_disk_file ...

[ericb@cygwin.com]

CVSROOT:	/cvs/src
Module name:	src
Changes by:	ericb@sourceware.org	2009-10-13 02:26:33

Modified files:
	winsup/cygwin  : ChangeLog fhandler_disk_file.cc hires.h 
	                 times.cc 

Log message:
	Improve clock_gettime and utimensat resolution.
	
	* hires.h (hires_ms): Change initime_us to initime_ns, with 10x
	more resolution.
	(hires_ms::nsecs): New prototype.
	(hires_ms::usecs, hires_ms::msecs, hires_ms::uptime): Adjust.
	* times.cc (systime_ns): New helper function.
	(hires_ms::prime): Use it for more resolution.
	(hires_ms::usecs): Change to...
	(hires_ms::nsecs): ...with more resolution.
	(clock_gettime): Use more resolution.
	(systime): Rewrite in terms of systime_ns.
	(timespec_to_filetime): Rewrite math to reflect true operation.
	* fhandler_disk_file.cc (utimens_fs): Use higher resolution.

Patches:
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/ChangeLog.diff?cvsroot=src&r1=1.4682&r2=1.4683
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/fhandler_disk_file.cc.diff?cvsroot=src&r1=1.311&r2=1.312
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/hires.h.diff?cvsroot=src&r1=1.13&r2=1.14
http://sources.redhat.com/cgi-bin/cvsweb.cgi/src/winsup/cygwin/times.cc.diff?cvsroot=src&r1=1.97&r2=1.98