Do not create a new process group so session manager could kill ibus daemons.

app-i18n/ibus/ibus-1.3.7-r17.ebuild

 # Copyright 1999-2009 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI="2"
 inherit eutils multilib python
 
 DESCRIPTION="Intelligent Input Bus for Linux / Unix OS"
 HOMEPAGE="http://code.google.com/p/ibus/"
 
 SRC_URI="http://ibus.googlecode.com/files/${P}.tar.gz"
@@ skipping 24 matching lines @@
 pkg_setup() {
         # An arch specific config directory is used on multilib systems
         has_multilib_profile && GTK2_CONFDIR="/etc/gtk-2.0/${CHOST}"
         GTK2_CONFDIR=${GTK2_CONFDIR:=/etc/gtk-2.0/}
 }
 
 src_prepare() {
   epatch "${FILESDIR}/ibus-chromiumos.patch"
   epatch "${FILESDIR}/Add-api-to-ibus-for-retreiving-unused-config-values.patch"
   epatch "${FILESDIR}/Fix-property-issue.patch"
+  # Do not create a new process group so session manager could kill ibus daemons
+  epatch "${FILESDIR}/ibus-1.3.7-no-create-new-process-group.patch"
 }
 
 src_configure() {
         econf \
                 --disable-gconf \
                 --disable-key-snooper \
                 --enable-memconf \
                 --disable-vala \
                 --enable-introspection=no \
                 $(use_enable doc gtk-doc) \
@@ skipping 45 matching lines @@
 }
 
 pkg_postrm() {
         [ "${ROOT}" = "/" -a -x /usr/bin/gtk-query-immodules-2.0 ] && \
                 gtk-query-immodules-2.0 > "${ROOT}/${GTK2_CONFDIR}/gtk.immodules"
 
         if use python; then
                 python_mod_cleanup /usr/share/${PN}
         fi
 }