Messages in this thread | | | Date | Thu, 10 Apr 2008 21:17:16 +0200 | From | "Michael Kerrisk" <> | Subject | Re: [patch] signalfd fix for incorrect SI_QUEUE user data reporting |
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On Thu, Apr 10, 2008 at 8:57 PM, Davide Libenzi <davidel@xmailserver.org> wrote: > Michael Kerrisk found out that signalfd was not reporting back user data > pushed using sigqueue: > > http://groups.google.com/group/linux.kernel/msg/9397cab8551e3123 > > The following patch makes signalfd to report back the ssi_ptr and ssi_int > members of the signalfd_siginfo structure. > > > > Signed-off-by: Davide Libenzi <davidel@xmailserver.org>
Acked-by: Michael Kerrisk <mtk.manpages@gmail.com>
> > --- > fs/signalfd.c | 7 ++++++- > 1 file changed, 6 insertions(+), 1 deletion(-) > > Index: linux-2.6.mod/fs/signalfd.c > =================================================================== > --- linux-2.6.mod.orig/fs/signalfd.c 2008-04-09 11:53:37.000000000 -0700 > +++ linux-2.6.mod/fs/signalfd.c 2008-04-09 12:05:46.000000000 -0700 > @@ -111,9 +111,14 @@ > err |= __put_user(kinfo->si_uid, &uinfo->ssi_uid); > err |= __put_user((long) kinfo->si_ptr, &uinfo->ssi_ptr); > break; > - default: /* this is just in case for now ... */ > + default: > + /* > + * This case catches also the signals queued by sigqueue(). > + */ > err |= __put_user(kinfo->si_pid, &uinfo->ssi_pid); > err |= __put_user(kinfo->si_uid, &uinfo->ssi_uid); > + err |= __put_user((long) kinfo->si_ptr, &uinfo->ssi_ptr); > + err |= __put_user(kinfo->si_int, &uinfo->ssi_int); > break; > } > >
-- Michael Kerrisk Maintainer of the Linux man-pages project http://www.kernel.org/doc/man-pages/ Want to report a man-pages bug? Look here: http://www.kernel.org/doc/man-pages/reporting_bugs.html
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