Re: clone() <-> getpid() bug in 2.6?

Robert Love
2004-06-05T22:47:45Z

On Sat, 2004-06-05 at 14:53 -0700, Chris Wedgwood wrote:

> glibc caches getpid() ?!?
>
> it's not like it's a slow syscall or used often

It is almost certainly done to improve the speed of some stupid
microbenchmark - say, one that just calls getpid() repeatedly (simple
because it is NOT slow) to measure system call overhead.

Or maybe libc uses the PID a lot internally. I don't know.

But it sure seems wrong.

Robert Love