From: Marc Espie <espie@quatramaran.ens.fr> Date: Tue, 4 Jun 2002 17:08:51 +0200 Actually, I can pinpoint it partly: going down such a path would 1/ make gcc very much linux-dependent. Actually, the dirty bit facility in question was orignally found to be present under Solaris. Every UNIX provides the mprotect+SIGSEGV feature though.