Re: sched_setaffinity usability

[Randy.Dunlap]

On Thu, 18 Mar 2004 12:49:12 -0800 (PST) David Lang wrote:

| On Thu, 18 Mar 2004, Ingo Molnar wrote:
| 
| > * Linus Torvalds <torvalds@xxxxxxxx> wrote:
| >
| > > sysconf() is a user-level implementation issue, and so is something
| > > like "number of CPU's". Damn, the simplest way to do it is as a
| > > environment variable, for christ sake! Just make a magic environment
| > > variable called __SC_ARRAY, and make it be some kind of binary
| > > encoding if you worry about performance.
| >
| > i am not arguing for any sysconf() support at all - it clearly belongs
| > into glibc. Just doing 'man sysconf' shows that it should be in
| > user-space. No argument about that.
| >
| > But how about the original issue Ulrich raised: how does user-space
| > figure out the NR_CPUS value supported by the kernel? (not the current #
| > of CPUs, that can be figured out using /proc/cpuinfo)
| 
| Doesn't /proc/config.gz answer this question?

I guess it could, but it's another CONFIG option...

--
~Randy
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