systemctl: introduce reset-maintenance command

[elogind.git] / src / unit.h

diff --git a/src/unit.h b/src/unit.h
index 70b3c9a4c104985896bc5358c4b6124ea940b7f5..1295d9ff527a16c4f028993b6021f33e2c6c16af 100644 (file)
--- a/src/unit.h
+++ b/src/unit.h
@@ -39,19 +39,10 @@ typedef enum UnitDependency UnitDependency;
 #include "socket-util.h"
 #include "execute.h"
 
-#define UNIT_NAME_MAX 128
+#define UNIT_NAME_MAX 256
 #define DEFAULT_TIMEOUT_USEC (60*USEC_PER_SEC)
 #define DEFAULT_RESTART_USEC (100*USEC_PER_MSEC)
 
-typedef enum KillMode {
-        KILL_CONTROL_GROUP = 0,
-        KILL_PROCESS_GROUP,
-        KILL_PROCESS,
-        KILL_NONE,
-        _KILL_MODE_MAX,
-        _KILL_MODE_INVALID = -1
-} KillMode;
-
 enum UnitType {
         UNIT_SERVICE = 0,
         UNIT_SOCKET,
@@ -78,8 +69,9 @@ enum UnitLoadState {
 
 enum UnitActiveState {
         UNIT_ACTIVE,
-        UNIT_ACTIVE_RELOADING,
+        UNIT_RELOADING,
         UNIT_INACTIVE,
+        UNIT_MAINTENANCE,
         UNIT_ACTIVATING,
         UNIT_DEACTIVATING,
         _UNIT_ACTIVE_STATE_MAX,
@@ -87,15 +79,19 @@ enum UnitActiveState {
 };
 
 static inline bool UNIT_IS_ACTIVE_OR_RELOADING(UnitActiveState t) {
-        return t == UNIT_ACTIVE || t == UNIT_ACTIVE_RELOADING;
+        return t == UNIT_ACTIVE || t == UNIT_RELOADING;
 }
 
 static inline bool UNIT_IS_ACTIVE_OR_ACTIVATING(UnitActiveState t) {
-        return t == UNIT_ACTIVE || t == UNIT_ACTIVATING || t == UNIT_ACTIVE_RELOADING;
+        return t == UNIT_ACTIVE || t == UNIT_ACTIVATING || t == UNIT_RELOADING;
 }
 
 static inline bool UNIT_IS_INACTIVE_OR_DEACTIVATING(UnitActiveState t) {
-        return t == UNIT_INACTIVE || t == UNIT_DEACTIVATING;
+        return t == UNIT_INACTIVE || t == UNIT_MAINTENANCE || t == UNIT_DEACTIVATING;
+}
+
+static inline bool UNIT_IS_INACTIVE_OR_MAINTENANCE(UnitActiveState t) {
+        return t == UNIT_INACTIVE || t == UNIT_MAINTENANCE;
 }
 
 enum UnitDependency {
@@ -118,6 +114,9 @@ enum UnitDependency {
         UNIT_BEFORE,                  /* inverse of 'before' is 'after' and vice versa */
         UNIT_AFTER,
 
+        /* On Failure */
+        UNIT_ON_FAILURE,
+
         /* Reference information for GC logic */
         UNIT_REFERENCES,              /* Inverse of 'references' is 'referenced_by' */
         UNIT_REFERENCED_BY,
@@ -137,9 +136,6 @@ struct Meta {
         UnitLoadState load_state;
         Unit *merged_into;
 
-        /* Refuse manual starting, allow starting only indirectly via dependency. */
-        bool only_by_dependency;
-
         char *id; /* One name is special because we use it for identification. Points to an entry in the names set */
         char *instance;
 
@@ -147,12 +143,16 @@ struct Meta {
         Set *dependencies[_UNIT_DEPENDENCY_MAX];
 
         char *description;
+
         char *fragment_path; /* if loaded from a config file this is the primary path to it */
+        usec_t fragment_mtime;
 
         /* If there is something to do with this unit, then this is
          * the job for it */
         Job *job;
 
+        usec_t job_timeout;
+
         dual_timestamp inactive_exit_timestamp;
         dual_timestamp active_enter_timestamp;
         dual_timestamp active_exit_timestamp;
@@ -185,6 +185,15 @@ struct Meta {
         /* Garbage collect us we nobody wants or requires us anymore */
         bool stop_when_unneeded;
 
+        /* Refuse manual starting, allow starting only indirectly via dependency. */
+        bool only_by_dependency;
+
+        /* Create default depedencies */
+        bool default_dependencies;
+
+        /* Bring up this unit even if a dependency fails to start */
+        bool ignore_dependency_failure;
+
         /* When deserializing, temporarily store the job type for this
          * unit here, if there was a job scheduled */
         int deserialized_job; /* This is actually of type JobType */
@@ -281,6 +290,9 @@ struct UnitVTable {
         void (*sigchld_event)(Unit *u, pid_t pid, int code, int status);
         void (*timer_event)(Unit *u, uint64_t n_elapsed, Watch *w);
 
+        /* Reset maintenance state if we are in maintainance state */
+        void (*reset_maintenance)(Unit *u);
+
         /* Called whenever any of the cgroups this unit watches for
          * ran empty */
         void (*cgroup_notify_empty)(Unit *u);
@@ -327,6 +339,9 @@ struct UnitVTable {
 
         /* Exclude from isolation requests */
         bool no_isolate:1;
+
+        /* Show status updates on the console */
+        bool show_status:1;
 };
 
 extern const UnitVTable * const unit_vtable[_UNIT_TYPE_MAX];
@@ -362,8 +377,13 @@ void unit_free(Unit *u);
 int unit_add_name(Unit *u, const char *name);
 
 int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference);
+int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference);
+
 int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference);
+int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference);
+
 int unit_add_dependency_by_name_inverse(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference);
+int unit_add_two_dependencies_by_name_inverse(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference);
 
 int unit_add_exec_dependencies(Unit *u, ExecContext *c);
 
@@ -446,6 +466,12 @@ int unit_add_node_link(Unit *u, const char *what, bool wants);
 
 int unit_coldplug(Unit *u);
 
+void unit_status_printf(Unit *u, const char *format, ...);
+
+bool unit_need_daemon_reload(Unit *u);
+
+void unit_reset_maintenance(Unit *u);
+
 const char *unit_type_to_string(UnitType i);
 UnitType unit_type_from_string(const char *s);