This [0] turned up on Lennart's G+ page recently, and as I understand flock()'ing just over DST change can lead to clusterfuck.
Since this is being discussed here and the link beneath is mere FUD, someone here could be so nice as to clarify. Thank you in advance. cheers! mar77i [0] http://logicfault.blogspot.ca/2014/03/stop-using-fork-i-mean-it.html