forked from pool/systemd
.
OBS-URL: https://build.opensuse.org/package/show/Base:System/systemd?expand=0&rev=811
This commit is contained in:
Dr. Werner Fink
Git OBS Bridge
parent
1e1d6bd6e8
commit
0b30be62ea
@ -1,3 +1,12 @@
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-------------------------------------------------------------------
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Fri Nov 7 09:45:20 UTC 2014 - werner@suse.de
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- Add patch watch_resolv.conf_for_become_changed.patch to add an
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inotify watch on /etc/resolv.conf which enables the reload of
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a changed resolver configuration on the fly (bsc#902901)
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- Do not apply patch 0022-systemd-tmpfiles-ownerkeep.patch in case
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if the script /usr/bin/systemd-tmpfiles-keep is missed
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-------------------------------------------------------------------
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Mon Nov 3 14:23:02 UTC 2014 - werner@suse.de
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@ -42,6 +42,7 @@
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%bcond_with udevsettle
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%endif
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%bcond_with systemgrps
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%{expand: %%global has_tmpkeep %(type -p systemd-tmpfiles-keep &>/dev/null && echo 1 || echo 0)}
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Name: systemd-mini
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Url: http://www.freedesktop.org/wiki/Software/systemd
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@ -1005,6 +1006,8 @@ Patch487: 0012-manager-do-not-print-anything-while-passwords-are-be.patch
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Patch488: 0001-sd-bus-properly-handle-removals-of-non-existing-matc.patch
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# PATCH-FIX-UPSTREAM added at 2014/10/31
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Patch489: 0002-keymap-Ignore-brightness-keys-on-Dell-Inspiron-1520-.patch
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# PATCH-FIX-SUSE added at 2014/11/05
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Patch490: watch_resolv.conf_for_become_changed.patch
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# UDEV PATCHES
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# ============
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@ -1536,7 +1539,9 @@ cp %{SOURCE7} m4/
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%patch181 -p1
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%patch182 -p1
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%patch183 -p1
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%if 0%{?has_tmpkeep}
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%patch184 -p1
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%endif
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%patch185 -p1
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%patch186 -p1
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%patch187 -p1
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@ -1843,6 +1848,7 @@ cp %{SOURCE7} m4/
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%patch487 -p0
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%patch488 -p0
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%patch489 -p0
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%patch490 -p0
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# udev patches
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%patch1001 -p1
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@ -2086,7 +2092,7 @@ cflags -Wl,--hash-size=8599 LDFLAGS
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%if 0%{?suse_version} <= 1310
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--with-firmware-path="%{_prefix}/lib/firmware:/lib/firmware" \
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%endif
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%if ! 0%{has_efi}
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%if ! 0%{?has_efi}
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--disable-efi \
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%endif
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--with-rc-local-script-path-start=/etc/init.d/boot.local \
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@ -1,3 +1,12 @@
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-------------------------------------------------------------------
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Fri Nov 7 09:45:20 UTC 2014 - werner@suse.de
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- Add patch watch_resolv.conf_for_become_changed.patch to add an
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inotify watch on /etc/resolv.conf which enables the reload of
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a changed resolver configuration on the fly (bsc#902901)
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- Do not apply patch 0022-systemd-tmpfiles-ownerkeep.patch in case
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if the script /usr/bin/systemd-tmpfiles-keep is missed
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-------------------------------------------------------------------
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Mon Nov 3 14:23:02 UTC 2014 - werner@suse.de
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@ -40,6 +40,7 @@
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%bcond_with udevsettle
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%endif
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%bcond_with systemgrps
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%{expand: %%global has_tmpkeep %(type -p systemd-tmpfiles-keep &>/dev/null && echo 1 || echo 0)}
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Name: systemd
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Url: http://www.freedesktop.org/wiki/Software/systemd
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@ -1000,6 +1001,8 @@ Patch487: 0012-manager-do-not-print-anything-while-passwords-are-be.patch
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Patch488: 0001-sd-bus-properly-handle-removals-of-non-existing-matc.patch
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# PATCH-FIX-UPSTREAM added at 2014/10/31
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Patch489: 0002-keymap-Ignore-brightness-keys-on-Dell-Inspiron-1520-.patch
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# PATCH-FIX-SUSE added at 2014/11/05
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Patch490: watch_resolv.conf_for_become_changed.patch
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# UDEV PATCHES
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# ============
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@ -1531,7 +1534,9 @@ cp %{SOURCE7} m4/
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%patch181 -p1
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%patch182 -p1
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%patch183 -p1
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%if 0%{?has_tmpkeep}
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%patch184 -p1
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%endif
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%patch185 -p1
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%patch186 -p1
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%patch187 -p1
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@ -1838,6 +1843,7 @@ cp %{SOURCE7} m4/
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%patch487 -p0
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%patch488 -p0
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%patch489 -p0
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%patch490 -p0
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# udev patches
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%patch1001 -p1
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@ -2081,7 +2087,7 @@ cflags -Wl,--hash-size=8599 LDFLAGS
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%if 0%{?suse_version} <= 1310
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--with-firmware-path="%{_prefix}/lib/firmware:/lib/firmware" \
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%endif
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%if ! 0%{has_efi}
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%if ! 0%{?has_efi}
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--disable-efi \
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%endif
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--with-rc-local-script-path-start=/etc/init.d/boot.local \
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159
watch_resolv.conf_for_become_changed.patch
Normal file
159
watch_resolv.conf_for_become_changed.patch
Normal file
@ -0,0 +1,159 @@
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---
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src/core/manager.c | 103 +++++++++++++++++++++++++++++++++++++++++++++++++++++
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src/core/manager.h | 5 ++
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2 files changed, 108 insertions(+)
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--- src/core/manager.c
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+++ src/core/manager.c 2014-11-07 11:12:58.334193988 +0000
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@@ -37,6 +37,7 @@
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#include <sys/stat.h>
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#include <dirent.h>
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#include <sys/timerfd.h>
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+#include <resolv.h>
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#ifdef HAVE_AUDIT
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#include <libaudit.h>
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@@ -304,6 +305,101 @@ static int manager_check_ask_password(Ma
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return m->have_ask_password;
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}
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+static int manager_setup_resolv_conf_change(Manager *);
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+
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+static int manager_dispatch_resolv_conf_fd(sd_event_source *source,
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+ int fd, uint32_t revents, void *userdata) {
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+ Manager *m = userdata;
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+
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+ assert(m);
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+ assert(m->resolv_conf_inotify_fd == fd);
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+
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+ if (revents != EPOLLIN) {
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+ log_warning("Got unexpected poll event for notify fd.");
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+ return 0;
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+ }
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+
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+ if (fd >= 0)
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+ flush_fd(fd);
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+
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+ m->resolv_conf_event_source = sd_event_source_unref(m->resolv_conf_event_source);
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+
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+ if (m->resolv_conf_inotify_fd >= 0)
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+ close_nointr_nofail(m->resolv_conf_inotify_fd);
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+ m->resolv_conf_inotify_fd = -1;
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+
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+ manager_setup_resolv_conf_change(m);
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+
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+ return m->resolv_conf_noent ? 0 : res_init();
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+}
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+
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+static int manager_setup_resolv_conf_change(Manager *m) {
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+ int r;
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+
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+ assert(m);
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+ assert(m->resolv_conf_inotify_fd < 0);
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+
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+ m->resolv_conf_inotify_fd = inotify_init1(IN_NONBLOCK|IN_CLOEXEC);
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+ if (m->resolv_conf_inotify_fd < 0) {
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+ log_error("inotify_init1() failed: %m");
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+ r = -errno;
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+ goto fail;
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+ }
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+ if (inotify_add_watch(m->resolv_conf_inotify_fd, "/etc/resolv.conf",
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+ IN_CLOSE_WRITE|IN_MODIFY|IN_ATTRIB|IN_DELETE_SELF) < 0) {
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+ if (errno == ENOENT) {
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+ m->resolv_conf_noent = true;
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+ if (inotify_add_watch(m->resolv_conf_inotify_fd, "/etc", IN_CREATE|IN_MOVED_TO) < 0) {
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+ log_error("Failed to add watch on /etc: %m");
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+ r = -errno;
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+ goto fail;
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+ }
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+ } else {
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+ log_error("Failed to add watch on /etc/resolv.conf: %m");
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+ r = -errno;
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+ goto fail;
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+ }
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+ }
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+ if (inotify_add_watch(m->resolv_conf_inotify_fd, "/etc/host.conf",
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+ IN_CLOSE_WRITE|IN_MODIFY|IN_ATTRIB|IN_DELETE_SELF) < 0 && errno != ENOENT) {
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+ log_error("Failed to add watch on /etc/host.conf: %m");
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+ r = -errno;
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+ goto fail;
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+ }
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+
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+ r = sd_event_add_io(m->event, &m->resolv_conf_event_source,
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+ m->resolv_conf_inotify_fd, EPOLLIN,
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+ manager_dispatch_resolv_conf_fd, m);
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+ if (r < 0) {
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+ log_error("Failed to add event source for resolver: %s", strerror(-r));
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+ goto fail;
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+ }
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+
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+ r = sd_event_source_set_priority(m->resolv_conf_event_source, -10);
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+ if (r < 0) {
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+ log_error("Failed to add event source for resolver: %s", strerror(-r));
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+ m->resolv_conf_event_source = sd_event_source_unref(m->resolv_conf_event_source);
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+ goto fail;
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+ }
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+
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+ return 0;
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+fail:
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+ if (m->resolv_conf_inotify_fd >= 0)
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+ close_nointr_nofail(m->resolv_conf_inotify_fd);
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+ m->resolv_conf_inotify_fd = -1;
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+
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+ return 0; /* Ignore error here */
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+}
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+
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+static void manager_shutdown_resolv_conf_change(Manager *m) {
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+ assert(m);
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+
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+ m->resolv_conf_event_source = sd_event_source_unref(m->resolv_conf_event_source);
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+ if (m->resolv_conf_inotify_fd >= 0)
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+ close_nointr_nofail(m->resolv_conf_inotify_fd);
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+ m->resolv_conf_inotify_fd = -1;
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+}
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+
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static int manager_watch_idle_pipe(Manager *m) {
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int r;
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@@ -562,6 +658,7 @@ int manager_new(SystemdRunningAs running
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m->pin_cgroupfs_fd = m->notify_fd = m->signal_fd = m->time_change_fd = m->dev_autofs_fd = m->private_listen_fd = m->kdbus_fd = -1;
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m->current_job_id = 1; /* start as id #1, so that we can leave #0 around as "null-like" value */
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+ m->resolv_conf_inotify_fd = -1;
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m->ask_password_inotify_fd = -1;
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m->have_ask_password = -EINVAL; /* we don't know */
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@@ -613,6 +710,10 @@ int manager_new(SystemdRunningAs running
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if (r < 0)
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goto fail;
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+ r = manager_setup_resolv_conf_change(m);
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+ if (r < 0)
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+ goto fail;
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+
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m->udev = udev_new();
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if (!m->udev) {
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r = -ENOMEM;
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@@ -906,6 +1007,8 @@ void manager_free(Manager *m) {
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assert(m);
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+ manager_shutdown_resolv_conf_change(m);
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+
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manager_clear_jobs_and_units(m);
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for (c = 0; c < _UNIT_TYPE_MAX; c++)
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--- src/core/manager.h
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+++ src/core/manager.h 2014-11-07 11:06:41.466019636 +0000
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@@ -157,6 +157,11 @@ struct Manager {
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FILE *proc_self_mountinfo;
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sd_event_source *mount_event_source;
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+ /* Watch out any change of /etc/resolv.conf */
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+ int resolv_conf_inotify_fd;
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+ sd_event_source *resolv_conf_event_source;
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+ bool resolv_conf_noent;
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+
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/* Data specific to the swap filesystem */
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FILE *proc_swaps;
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sd_event_source *swap_event_source;
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