On Mon, Sep 06, 2004 at 11:53:24PM +0200, Amir Bukhari wrote: > is XLIB multithread safe? I've gotten feedback from a major developer who uses threads heavily about this -- the Xlib from the monolithic trees (XFree86, X.Org) is not, whereas the libX11 from the modular tree at freedesktop.org is thread-safe.