Add patch to fix udev --daemon not cleaning child processes

(upstream commit 86c3bece38bcf5).

0001-udevd-fix-SIGCHLD-handling-in-daemon-mode.patch

@@ -0,0 +1,78 @@
+From 86c3bece38bcf55da6387d20c6f01da9ad0284dc Mon Sep 17 00:00:00 2001
+From: Tom Gundersen <teg@jklm.no>
+Date: Wed, 27 May 2015 18:39:36 +0200
+Subject: [PATCH] udevd: fix SIGCHLD handling in --daemon mode
+
+We were listening for SIGCHLD in the wrong process.
+---
+ src/udev/udevd.c | 33 ++++++++++++++++++++++-----------
+ 1 file changed, 22 insertions(+), 11 deletions(-)
+
+diff --git a/src/udev/udevd.c b/src/udev/udevd.c
+index 87e677e..299fda8 100644
+--- a/src/udev/udevd.c
++++ b/src/udev/udevd.c
+@@ -1288,13 +1288,6 @@ static int parse_argv(int argc, char *argv[]) {
+ 
+ static int manager_new(Manager **ret) {
+         _cleanup_(manager_freep) Manager *manager = NULL;
+-        struct epoll_event ep_ctrl = { .events = EPOLLIN };
+-        struct epoll_event ep_inotify = { .events = EPOLLIN };
+-        struct epoll_event ep_signal = { .events = EPOLLIN };
+-        struct epoll_event ep_netlink = { .events = EPOLLIN };
+-        struct epoll_event ep_worker = { .events = EPOLLIN };
+-        sigset_t mask;
+-        int r, one = 1;
+ 
+         assert(ret);
+ 
+@@ -1323,6 +1316,23 @@ static int manager_new(Manager **ret) {
+         udev_list_node_init(&manager->events);
+         udev_list_init(manager->udev, &manager->properties, true);
+ 
++        *ret = manager;
++        manager = NULL;
++
++        return 0;
++}
++
++static int manager_listen(Manager *manager) {
++        struct epoll_event ep_ctrl = { .events = EPOLLIN };
++        struct epoll_event ep_inotify = { .events = EPOLLIN };
++        struct epoll_event ep_signal = { .events = EPOLLIN };
++        struct epoll_event ep_netlink = { .events = EPOLLIN };
++        struct epoll_event ep_worker = { .events = EPOLLIN };
++        sigset_t mask;
++        int r, one = 1;
++
++        assert(manager);
++
+         r = systemd_fds(&manager->fd_ctrl, &manager->fd_uevent);
+         if (r >= 0) {
+                 /* get control and netlink socket from systemd */
+@@ -1404,10 +1414,7 @@ static int manager_new(Manager **ret) {
+             epoll_ctl(manager->fd_ep, EPOLL_CTL_ADD, manager->fd_worker, &ep_worker) < 0)
+                 return log_error_errno(errno, "fail to add fds to epoll: %m");
+ 
+-        *ret = manager;
+-        manager = NULL;
+-
+-        return 1;
++        return 0;
+ }
+ 
+ int main(int argc, char *argv[]) {
+@@ -1518,6 +1525,10 @@ int main(int argc, char *argv[]) {
+         } else
+                 sd_notify(1, "READY=1");
+ 
++        r = manager_listen(manager);
++        if (r < 0)
++                return log_error_errno(r, "failed to set up fds and listen for events: %m");
++
+         for (;;) {
+                 static usec_t last_usec;
+                 struct epoll_event ev[8];
+-- 
+2.3.1
+

systemd.spec

@@ -16,7 +16,7 @@
 Name:           systemd
 Url:            http://www.freedesktop.org/wiki/Software/systemd
 Version:        220
-Release:        2%{?gitcommit:.git%{gitcommit}}%{?dist}
+Release:        3%{?gitcommit:.git%{gitcommit}}%{?dist}
 # For a breakdown of the licensing, see README
 License:        LGPLv2+ and MIT and GPLv2+
 Summary:        A System and Service Manager
@@ -47,6 +47,12 @@ Patch1000:      kernel-install-grubby.patch
 # This is upstream commit 040e689654ef08.
 Patch1001:      0001-udevd-event-fix-event-queue-in-daemenozied-mode.patch
 
+# Fix udev --daemon not cleaning child processes:
+# https://www.mail-archive.com/systemd-devel@lists.freedesktop.org/msg31806.html
+# https://bugzilla.redhat.com/show_bug.cgi?id=1225641
+# This is upstream commit 86c3bece38bcf5.
+Patch1002:      0001-udevd-fix-SIGCHLD-handling-in-daemon-mode.patch
+
 %global num_patches %{lua: c=0; for i,p in ipairs(patches) do c=c+1; end; print(c);}
 
 BuildRequires:  libcap-devel
@@ -845,6 +851,10 @@ getent passwd systemd-journal-upload >/dev/null 2>&1 || useradd -r -l -g systemd
 /usr/lib/firewalld/services/*
 
 %changelog
+* Thu May 28 2015 Richard W.M. Jones <rjones@redhat.com> - 220-3
+- Add patch to fix udev --daemon not cleaning child processes
+  (upstream commit 86c3bece38bcf5).
+
 * Wed May 27 2015 Richard W.M. Jones <rjones@redhat.com> - 220-2
 - Add patch to fix udev --daemon crash (upstream commit 040e689654ef08).