Date: Wed, 10 May 2000 19:15:57 -0500 (CDT) From: Tim Mooney <mooney@xxxxxxxxxxxxxxxxxxxxxxxxx> cc: Raphael Quinet <quinet@xxxxxxxxxx>, gimp-developer@xxxxxxxxxxxxxxxxxxxxx In regard to: Re: EPIPE, Michael Natterer said (at 12:40am on May 11, 2000): >This is what currently happens (ok, it happens in the handler, but >WNOHANG *should* be absolutely safe). However, a signal handler >can do whatever it likes with the app's structures as long as it >uses atomic data access (which can be a pointer, as pointers have >the same size as integers, which are atomic. This is true at least >on all processors which have a GNU libc port and finding a >processor where pointers are not atomic looks very unlikely to >me). Finding a processor/OS combo where sizeof(pointer) != sizeof(int) is pretty easy, however. How does this change your thinking? For example, UltraSPARC in 64-bit mode under Solaris. -- Robert Krawitz <rlk@xxxxxxxxxxxx> http://www.tiac.net/users/rlk/ Tall Clubs International -- http://www.tall.org/ or 1-888-IM-TALL-2 Member of the League for Programming Freedom -- mail lpf@xxxxxxxxxxxx Project lead for The Gimp Print -- http://gimp-print.sourceforge.net "Linux doesn't dictate how I work, I dictate how Linux works." --Eric Crampton
