typedef struct Device Device;
-#include "unit.h"
/* We simply watch devices, we cannot plug/unplug them. That
* simplifies the state engine greatly */
typedef enum DeviceState {
DEVICE_DEAD,
- DEVICE_PLUGGED,
+ DEVICE_TENTATIVE, /* mounted or swapped, but not (yet) announced by udev */
+ DEVICE_PLUGGED, /* announced by udev */
_DEVICE_STATE_MAX,
_DEVICE_STATE_INVALID = -1
} DeviceState;
+typedef enum DeviceFound {
+ DEVICE_NOT_FOUND = 0,
+ DEVICE_FOUND_UDEV = 1,
+ DEVICE_FOUND_MOUNT = 2,
+ DEVICE_FOUND_SWAP = 4,
+} DeviceFound;
+
struct Device {
Unit meta;
char *sysfs;
+ DeviceFound found;
/* In order to be able to distinguish dependencies on
different device nodes we might end up creating multiple
devices for the same sysfs path. We chain them up here. */
-
LIST_FIELDS(struct Device, same_sysfs);
DeviceState state;
extern const UnitVTable device_vtable;
-void device_fd_event(Manager *m, int events);
+const char* device_state_to_string(DeviceState i) _const_;
+DeviceState device_state_from_string(const char *s) _pure_;
-const char* device_state_to_string(DeviceState i);
-DeviceState device_state_from_string(const char *s);
+int device_found_node(Manager *m, const char *node, bool add, DeviceFound found, bool now);