pselect - syscall

[Bernhard Reutner-Fischer]

On Sat, Nov 27, 2010 at 12:05:43PM +0100, Maciek Borzecki wrote:
>I was hunting down for a nasty bug with a messed up
>SIGCHDL/waitpid/pselect sequence and it seems that the signal may be
>lost, with select not being interrupted as expected. It was suspected
>that the signal may be somehow lost, what made me look at the
>pselect() implementation in uClibc (version I used was 0.9.29 on a
>XScale host with 2.6.21 & 2.6.29 kernels).
>Can someone confirm that for the actual pselect() implementation
>(libc/sysdeps/linux/common/pselect.c) does not use the pselect syscall
>(__NR_pselect6)? Also when looking at the implementation of select
>(libc/sysdeps/linux/common/select.c), a symbol __libc_pselect6 (which
>does the syscall) is defined just for use inside select().
>
>Is this intentional, or was that just overlooked? I'd be happy to
>provide a patch if needed.

Sounds like it was just overlooked. It would be great if you could
provide a patch.

cheers,