Message-Id: <3.0.32.19990727111742.0117ea60@pop.xs4all.nl> X-Sender: diep AT pop DOT xs4all DOT nl X-Mailer: Windows Eudora Pro Version 3.0 (32) Date: Tue, 27 Jul 1999 11:17:44 +0100 To: pgcc AT delorie DOT com, pgcc AT delorie DOT com From: Vincent Diepeveen <diep AT xs4all DOT nl> Subject: Re: mmap Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Reply-To: pgcc AT delorie DOT com At 09:16 AM 7/26/99 -0700, Gordon K. Stone wrote: > >I have a program in which a number of executables use an mmap'ed file >to share memory. This used to work fine, but we updated to Redhat ver >5.2, and now the changes made by one process are no longer seen by the >others. That was probably under unix and not linux, because allocating shared anonymous memory is not implemented yet in linux. >I am using the MAP_FIXED flag--the mmap'ed memory contains absolute >pointers. > >The program has two possible interfaces, an X interface and a console >interface. Everything appears to work okay when using the X interface. >It's under the console interface that the problem appears. > >Any ideas? Is mmap() different? > >Sincerely > > >Gordon Stone >Technical Support >Aptech Systems, Inc >23804 S.E. Kent-Kangley RD >Maple Valley, WA 98038 >425-432-7855 voice >425-432-7832 fax >gordon AT aptech DOT com > > >