Re: [LI] Signal behaves differently on LINUX and HPUX

[Arun Sharma <adsharma@xxxxxxxx>]

On Fri, Oct 15, 1999 at 05:19:17PM +0530, Nitin wrote:
> Hi
>   Didn't the panding signals are checked when the system returns from Kernel
> mode to User mode ??  If so then how come the two things  ( Step 3,4,5 in Aruns
> mail )
>         1) A system call is pending
>         2) A signal handler is running
> are simultaneously possible?

Look in /usr/src/linux/fs/fifo.c for ERESTARTSYS. Pending signals are
checked even within long running (i.e. sleeping) system calls.

Similarly grep for EINTR in /usr/src/linux/fs for  more instances of
checks for pending signals.

	-Arun

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