04-19-2012
Is there a reason that this is set as a cron job twice a day? If it's just convenient and you could increase the frequency, then you might consider using the deamon ntpd or xntpd
You can code up /etc/ntp.conf and start the deamon at system boot. It should then keep in step all the time, drifting the clock a few milliseconds either side of your time source.
See the man page for ntpd or xntpd and ntp.conf on how to set this up for your installation.
If it is the Windows clock that is going out, then that is another issue. I'm not sure how you set that to have a reference clock.
I hope that this helps
Robin
liverpool/Blackburn
UK
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LEARN ABOUT CENTOS
gldeletesync
GLDELETESYNC(3G) OpenGL Manual GLDELETESYNC(3G)
NAME
glDeleteSync - delete a sync object
C SPECIFICATION
void glDeleteSync(GLsync sync);
PARAMETERS
sync
The sync object to be deleted.
DESCRIPTION
glDeleteSync deletes the sync object specified by sync. If the fence command corresponding to the specified sync object has completed, or
if no glWaitSync() or glClientWaitSync() commands are blocking on sync, the object is deleted immediately. Otherwise, sync is flagged for
deletion and will be deleted when it is no longer associated with any fence command and is no longer blocking any glWaitSync() or
glClientWaitSync() command. In either case, after glDeleteSync returns, the name sync is invalid and can no longer be used to refer to the
sync object.
glDeleteSync will silently ignore a sync value of zero.
NOTES
glSync is only supported if the GL version is 3.2 or greater, or if the ARB_sync extension is supported.
ERRORS
GL_INVALID_VALUE is generated if sync is neither zero or the name of a sync object.
SEE ALSO
glFenceSync(), glWaitSync(), glClientWaitSync()
COPYRIGHT
Copyright (C) 2010 Khronos Group. This material may be distributed subject to the terms and conditions set forth in the Open Publication
License, v 1.0, 8 June 1999. http://opencontent.org/openpub/.
AUTHORS
opengl.org
opengl.org 06/10/2014 GLDELETESYNC(3G)