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udevd: improve timeout handling
[elogind.git]
/
udev.c
diff --git
a/udev.c
b/udev.c
index 23375b7a3e3af118f7a3a17464a01ccf681edb4c..2be4c357408d7f266da37a3b4303071f7822bfff 100644
(file)
--- a/
udev.c
+++ b/
udev.c
@@
-54,8
+54,10
@@
void log_message(int priority, const char *format, ...)
}
#endif
}
#endif
-/* decide if we should manage the whole hotplug event
- * for now look if the kernel calls udevsend instead of /sbin/hotplug
+/* Decide if we should manage the whole uevent, including multiplexing
+ * of the hotplug directories.
+ * For now look if the kernel calls udevsend instead of /sbin/hotplug,
+ * or the uevent-helper in /proc/sys/kernel/hotplug is empty.
*/
static int manage_hotplug_event(void) {
char helper[256];
*/
static int manage_hotplug_event(void) {
char helper[256];
@@
-70,13
+72,15
@@
static int manage_hotplug_event(void) {
if (fd < 0)
return 0;
if (fd < 0)
return 0;
- len = read(fd, helper,
256
);
+ len = read(fd, helper,
sizeof(helper)-1
);
close(fd);
if (len < 0)
return 0;
helper[len] = '\0';
close(fd);
if (len < 0)
return 0;
helper[len] = '\0';
+ if (helper[0] == '\0' || helper[0] == '\n')
+ return 1;
if (strstr(helper, "udevsend"))
return 1;
if (strstr(helper, "udevsend"))
return 1;
@@
-157,6
+161,8
@@
int main(int argc, char *argv[], char *envp[])
}
if (udev.type == DEV_BLOCK || udev.type == DEV_CLASS || udev.type == DEV_NET) {
}
if (udev.type == DEV_BLOCK || udev.type == DEV_CLASS || udev.type == DEV_NET) {
+ udev_rules_init();
+
if (strcmp(action, "add") == 0) {
/* wait for sysfs and possibly add node */
dbg("udev add");
if (strcmp(action, "add") == 0) {
/* wait for sysfs and possibly add node */
dbg("udev add");
@@
-178,9
+184,6
@@
int main(int argc, char *argv[], char *envp[])
wait_for_class_device(class_dev, &error);
wait_for_class_device(class_dev, &error);
- /* init rules */
- udev_rules_init();
-
/* name, create node, store in db */
retval = udev_add_device(&udev, class_dev);
/* name, create node, store in db */
retval = udev_add_device(&udev, class_dev);
@@
-195,16
+198,31
@@
int main(int argc, char *argv[], char *envp[])
goto hotplug;
}
goto hotplug;
}
+ udev_rules_get_run(&udev);
+ if (udev.ignore_device) {
+ dbg("device event will be ignored");
+ goto hotplug;
+ }
+
/* get node from db, remove db-entry, delete created node */
retval = udev_remove_device(&udev);
}
/* get node from db, remove db-entry, delete created node */
retval = udev_remove_device(&udev);
}
- /* run dev.d/ scripts if we created/deleted a node or changed a netif name */
- if (udev.devname[0] != '\0') {
+ if (udev.devname[0] != '\0')
setenv("DEVNAME", udev.devname, 1);
setenv("DEVNAME", udev.devname, 1);
- if (udev_dev_d)
- udev_multiplex_directory(&udev, DEVD_DIR, DEVD_SUFFIX);
+
+ if (udev_run && !list_empty(&udev.run_list)) {
+ struct name_entry *name_loop;
+
+ dbg("executing run list");
+ list_for_each_entry(name_loop, &udev.run_list, node)
+ execute_command(name_loop->name, udev.subsystem);
}
}
+
+ /* run dev.d/ scripts if we created/deleted a node or changed a netif name */
+ if (udev_dev_d && udev.devname[0] != '\0')
+ udev_multiplex_directory(&udev, DEVD_DIR, DEVD_SUFFIX);
+
} else if (udev.type == DEV_DEVICE) {
if (strcmp(action, "add") == 0) {
/* wait for sysfs */
} else if (udev.type == DEV_DEVICE) {
if (strcmp(action, "add") == 0) {
/* wait for sysfs */