Hello Simon, Tuesday, November 14, 2006, 11:57:37 AM, you wrote:
>> #ifdef mingw32_HOST_OS >> if ((how & O_WRONLY) || (how & O_RDWR) || (how & O_APPEND)) >> return _sopen(file,how,_SH_DENYRW,mode); >> else >> return _sopen(file,how,_SH_DENYWR,mode); >> #else >> return open(file,how,mode); >> #endif > I haven't seen this code before, but I wonder if it's an attempt to implement > the single-writer multiple-reader locking semantics in the Haskell 98 IO > library? so, the first question: WHO wrote this? may be SOF? and second question: HOW this may help this semantics?? in my investigation, simple 'open' is just fine - it prevents writing by other processes to the file being written by Haskell program and it allow to read and write open by other processes of the file that i only read. may be it was problems on old windowses? and may be this some bug and this should be rewritten as DENY_WRITE and DENY_NONE, correspondingly btw, what is a semantics on Unix? is it the same as i mentioned above? i hope to fix this at least in Streams library so please help me understand what is a better plan -- Best regards, Bulat mailto:[EMAIL PROTECTED] _______________________________________________ Cvs-ghc mailing list [EMAIL PROTECTED] http://www.haskell.org/mailman/listinfo/cvs-ghc
