Messages in this thread | | | Subject | Re: clone() <-> getpid() bug in 2.6? | From | Robert Love <> | Date | Sat, 05 Jun 2004 18:47:43 -0400 |
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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
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