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core: rework device state logic
[elogind.git]
/
src
/
core
/
device.h
diff --git
a/src/core/device.h
b/src/core/device.h
index 906508530d285f59143089613354d5900aa08be1..9f46e0895300b642beb9ad37986709d12842e297 100644
(file)
--- a/
src/core/device.h
+++ b/
src/core/device.h
@@
-28,20
+28,28
@@
typedef struct Device Device;
* simplifies the state engine greatly */
typedef enum DeviceState {
DEVICE_DEAD,
* 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;
_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;
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. */
/* 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;
LIST_FIELDS(struct Device, same_sysfs);
DeviceState state;
@@
-51,3
+59,5
@@
extern const UnitVTable device_vtable;
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) _const_;
DeviceState device_state_from_string(const char *s) _pure_;
+
+int device_found_node(Manager *m, const char *node, bool add, DeviceFound found, bool now);