On Sat, Feb 19, 2011 at 01:13:22PM +0200, Nezmer wrote: > On Sat, Feb 19, 2011 at 04:26:56AM -0500, Tavian Barnes wrote: > > snip > > > - There's no portable way to get the number of available cores. Where > > does platform-specific code go in libalpm? The way to do it on Linux > > is with sched_getaffinity(); sysconf(_SC_NPROCESSORS_ONLN) is almost > > as good and works on BSD too I believe. > > > > No, I don't think it works on BSDs. >
Actually, The sysconf() method works at least in FreeBSD and the man page says the sysconf interface is defined by POSIX.1 > You can look at how x264 guys implemented this. Check out > x264_cpu_num_processors() in common/cpu.c in their source tree. > > I'm not sure hard-coding supported platforms through ifdefs would be > accepted in pacman/libalpm. > > > Also, I guess a major question would be: would this be likely to be > > merged? It's not a major issue, but it's also not a very large > > change. Every time there's a KDE update or something similarly large > > I find myself wishing that all 2/4/24 of my cores were being used for > > the the integrity checks. > > > > -- > > Tavian Barnes > > >
