> Stephen Rothwell pointed out that if you set up SIGIO from an
> fd, fork, and exit, and PIDs wrap, the new process may be clobbered by
> the SIGIO. IMVHO the best way to clean this up is to check the
> fasync_list in sys_close, and if pid == filp->f_owner.pid and fd ==
> fasync_list->fa_fd, unregister the SIGIO.
>
> This means we need a move the "struct fasync_struct
> fasync_list" into struct file (up from all the subsystems which use
> it, eg. struct socket).
>
> See any problems with this?
I do not see.
It is a long known piece of shit in the kernel crying about repair.
I remember Al Viro planned to do something with this for 2.4,
but this has been forgotten again.
Alexey
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