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Diffstat (limited to 'src/udev/udevd.c')
-rw-r--r--src/udev/udevd.c96
1 files changed, 46 insertions, 50 deletions
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 0661f7be00..e4d2f47745 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -18,44 +18,45 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
-#include <stddef.h>
-#include <signal.h>
-#include <unistd.h>
#include <errno.h>
+#include <fcntl.h>
+#include <getopt.h>
+#include <signal.h>
+#include <stdbool.h>
+#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
-#include <stdbool.h>
#include <string.h>
-#include <fcntl.h>
-#include <getopt.h>
+#include <sys/epoll.h>
#include <sys/file.h>
-#include <sys/time.h>
+#include <sys/inotify.h>
+#include <sys/ioctl.h>
+#include <sys/mount.h>
#include <sys/prctl.h>
-#include <sys/socket.h>
#include <sys/signalfd.h>
-#include <sys/epoll.h>
-#include <sys/mount.h>
-#include <sys/wait.h>
+#include <sys/socket.h>
#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/inotify.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <unistd.h>
#include "sd-daemon.h"
#include "sd-event.h"
-#include "terminal-util.h"
-#include "signal-util.h"
-#include "event-util.h"
-#include "netlink-util.h"
#include "cgroup-util.h"
-#include "process-util.h"
+#include "cpu-set-util.h"
#include "dev-setup.h"
+#include "event-util.h"
#include "fileio.h"
-#include "selinux-util.h"
-#include "udev.h"
-#include "udev-util.h"
#include "formats-util.h"
#include "hashmap.h"
+#include "netlink-util.h"
+#include "process-util.h"
+#include "selinux-util.h"
+#include "signal-util.h"
+#include "terminal-util.h"
+#include "udev-util.h"
+#include "udev.h"
static bool arg_debug = false;
static int arg_daemonize = false;
@@ -261,7 +262,6 @@ static int on_event_timeout_warning(sd_event_source *s, uint64_t usec, void *use
static void worker_attach_event(struct worker *worker, struct event *event) {
sd_event *e;
uint64_t usec;
- int r;
assert(worker);
assert(worker->manager);
@@ -276,9 +276,7 @@ static void worker_attach_event(struct worker *worker, struct event *event) {
e = worker->manager->event;
- r = sd_event_now(e, clock_boottime_or_monotonic(), &usec);
- if (r < 0)
- return;
+ assert_se(sd_event_now(e, clock_boottime_or_monotonic(), &usec) >= 0);
(void) sd_event_add_time(e, &event->timeout_warning, clock_boottime_or_monotonic(),
usec + arg_event_timeout_warn_usec, USEC_PER_SEC, on_event_timeout_warning, event);
@@ -749,9 +747,7 @@ static void manager_exit(Manager *manager) {
event_queue_cleanup(manager, EVENT_QUEUED);
manager_kill_workers(manager);
- r = sd_event_now(manager->event, clock_boottime_or_monotonic(), &usec);
- if (r < 0)
- return;
+ assert_se(sd_event_now(manager->event, clock_boottime_or_monotonic(), &usec) >= 0);
r = sd_event_add_time(manager->event, NULL, clock_boottime_or_monotonic(),
usec + 30 * USEC_PER_SEC, USEC_PER_SEC, on_exit_timeout, manager);
@@ -780,7 +776,6 @@ static void manager_reload(Manager *manager) {
static void event_queue_start(Manager *manager) {
struct udev_list_node *loop;
usec_t usec;
- int r;
assert(manager);
@@ -788,17 +783,15 @@ static void event_queue_start(Manager *manager) {
manager->exit || manager->stop_exec_queue)
return;
- r = sd_event_now(manager->event, clock_boottime_or_monotonic(), &usec);
- if (r >= 0) {
- /* check for changed config, every 3 seconds at most */
- if (manager->last_usec == 0 ||
- (usec - manager->last_usec) > 3 * USEC_PER_SEC) {
- if (udev_rules_check_timestamp(manager->rules) ||
- udev_builtin_validate(manager->udev))
- manager_reload(manager);
+ assert_se(sd_event_now(manager->event, clock_boottime_or_monotonic(), &usec) >= 0);
+ /* check for changed config, every 3 seconds at most */
+ if (manager->last_usec == 0 ||
+ (usec - manager->last_usec) > 3 * USEC_PER_SEC) {
+ if (udev_rules_check_timestamp(manager->rules) ||
+ udev_builtin_validate(manager->udev))
+ manager_reload(manager);
- manager->last_usec = usec;
- }
+ manager->last_usec = usec;
}
udev_builtin_init(manager->udev);
@@ -1358,6 +1351,7 @@ static int listen_fds(int *rctrl, int *rnetlink) {
* udev.event-timeout=<number of seconds> seconds to wait before terminating an event
*/
static int parse_proc_cmdline_item(const char *key, const char *value) {
+ const char *full_key = key;
int r;
assert(key);
@@ -1377,26 +1371,29 @@ static int parse_proc_cmdline_item(const char *key, const char *value) {
int prio;
prio = util_log_priority(value);
+ if (prio < 0)
+ goto invalid;
log_set_max_level(prio);
} else if (streq(key, "children-max")) {
r = safe_atou(value, &arg_children_max);
if (r < 0)
- log_warning("invalid udev.children-max ignored: %s", value);
+ goto invalid;
} else if (streq(key, "exec-delay")) {
r = safe_atoi(value, &arg_exec_delay);
if (r < 0)
- log_warning("invalid udev.exec-delay ignored: %s", value);
+ goto invalid;
} else if (streq(key, "event-timeout")) {
r = safe_atou64(value, &arg_event_timeout_usec);
if (r < 0)
- log_warning("invalid udev.event-timeout ignored: %s", value);
- else {
- arg_event_timeout_usec *= USEC_PER_SEC;
- arg_event_timeout_warn_usec = (arg_event_timeout_usec / 3) ? : 1;
- }
+ goto invalid;
+ arg_event_timeout_usec *= USEC_PER_SEC;
+ arg_event_timeout_warn_usec = (arg_event_timeout_usec / 3) ? : 1;
}
return 0;
+invalid:
+ log_warning("invalid %s ignored: %s", full_key, value);
+ return 0;
}
static void help(void) {
@@ -1432,7 +1429,7 @@ static int parse_argv(int argc, char *argv[]) {
assert(argc >= 0);
assert(argv);
- while ((c = getopt_long(argc, argv, "c:de:DtN:hV", options, NULL)) >= 0) {
+ while ((c = getopt_long(argc, argv, "c:de:Dt:N:hV", options, NULL)) >= 0) {
int r;
switch (c) {
@@ -1674,9 +1671,8 @@ int main(int argc, char *argv[]) {
arg_children_max = 8;
- if (sched_getaffinity(0, sizeof (cpu_set), &cpu_set) == 0) {
+ if (sched_getaffinity(0, sizeof(cpu_set), &cpu_set) == 0)
arg_children_max += CPU_COUNT(&cpu_set) * 2;
- }
log_debug("set children_max to %u", arg_children_max);
}
@@ -1710,7 +1706,7 @@ int main(int argc, char *argv[]) {
by PID1. otherwise we are not guaranteed to have a dedicated cgroup */
r = cg_pid_get_path(SYSTEMD_CGROUP_CONTROLLER, 0, &cgroup);
if (r < 0) {
- if (r == -ENOENT)
+ if (r == -ENOENT || r == -ENOEXEC)
log_debug_errno(r, "did not find dedicated cgroup: %m");
else
log_warning_errno(r, "failed to get cgroup: %m");