Merge pull request #10094 from keszybz/wants-loading

[thirdparty/systemd.git] / src / core / unit.h

diff --git a/src/core/unit.h b/src/core/unit.h
index cff3825ddc3721225821720f57923e059a810f86..2c2819f38e26c7181893fe4d405fcb4ca949efc1 100644 (file)
--- a/src/core/unit.h
+++ b/src/core/unit.h
@@ -1,12 +1,6 @@
 /* SPDX-License-Identifier: LGPL-2.1+ */
 #pragma once
 
-/***
-  This file is part of systemd.
-
-  Copyright 2010 Lennart Poettering
-***/
-
 #include <stdbool.h>
 #include <stdlib.h>
 #include <unistd.h>
@@ -25,7 +19,7 @@ typedef enum KillOperation {
         KILL_TERMINATE,
         KILL_TERMINATE_AND_LOG,
         KILL_KILL,
-        KILL_ABORT,
+        KILL_WATCHDOG,
         _KILL_OPERATION_MAX,
         _KILL_OPERATION_INVALID = -1
 } KillOperation;
@@ -86,7 +80,7 @@ typedef enum UnitDependencyMask {
         /* A dependency created because of data read from /proc/swaps and no other configuration source */
         UNIT_DEPENDENCY_PROC_SWAP          = 1 << 7,
 
-        _UNIT_DEPENDENCY_MASK_FULL = (1 << 8) - 1,
+        _UNIT_DEPENDENCY_MASK_FULL         = (1 << 8) - 1,
 } UnitDependencyMask;
 
 /* The Unit's dependencies[] hashmaps use this structure as value. It has the same size as a void pointer, and thus can
@@ -218,6 +212,9 @@ typedef struct Unit {
         /* Target dependencies queue */
         LIST_FIELDS(Unit, target_deps_queue);
 
+        /* Queue of units with StopWhenUnneeded set that shell be checked for clean-up. */
+        LIST_FIELDS(Unit, stop_when_unneeded_queue);
+
         /* PIDs we keep an eye on. Note that a unit might have many
          * more, but these are the ones we care enough about to
          * process SIGCHLD for */
@@ -328,6 +325,7 @@ typedef struct Unit {
         bool in_cgroup_realize_queue:1;
         bool in_cgroup_empty_queue:1;
         bool in_target_deps_queue:1;
+        bool in_stop_when_unneeded_queue:1;
 
         bool sent_dbus_new_signal:1;
 
@@ -358,7 +356,7 @@ typedef struct Unit {
 
         /* When writing transient unit files, stores which section we stored last. If < 0, we didn't write any yet. If
          * == 0 we are in the [Unit] section, if > 0 we are in the unit type-specific section. */
-        int last_section_private:2;
+        signed int last_section_private:2;
 } Unit;
 
 typedef struct UnitStatusMessageFormats {
@@ -604,8 +602,8 @@ int unit_add_name(Unit *u, const char *name);
 int unit_add_dependency(Unit *u, UnitDependency d, Unit *other, bool add_reference, UnitDependencyMask mask);
 int unit_add_two_dependencies(Unit *u, UnitDependency d, UnitDependency e, Unit *other, bool add_reference, UnitDependencyMask mask);
 
-int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, const char *filename, bool add_reference, UnitDependencyMask mask);
-int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, const char *path, bool add_reference, UnitDependencyMask mask);
+int unit_add_dependency_by_name(Unit *u, UnitDependency d, const char *name, bool add_reference, UnitDependencyMask mask);
+int unit_add_two_dependencies_by_name(Unit *u, UnitDependency d, UnitDependency e, const char *name, bool add_reference, UnitDependencyMask mask);
 
 int unit_add_exec_dependencies(Unit *u, ExecContext *c);
 
@@ -619,6 +617,7 @@ void unit_add_to_dbus_queue(Unit *u);
 void unit_add_to_cleanup_queue(Unit *u);
 void unit_add_to_gc_queue(Unit *u);
 void unit_add_to_target_deps_queue(Unit *u);
+void unit_submit_to_stop_when_unneeded_queue(Unit *u);
 
 int unit_merge(Unit *u, Unit *other);
 int unit_merge_by_name(Unit *u, const char *other);
@@ -655,8 +654,8 @@ int unit_kill(Unit *u, KillWho w, int signo, sd_bus_error *error);
 int unit_kill_common(Unit *u, KillWho who, int signo, pid_t main_pid, pid_t control_pid, sd_bus_error *error);
 
 typedef enum UnitNotifyFlags {
-        UNIT_NOTIFY_RELOAD_FAILURE    = 1U << 0,
-        UNIT_NOTIFY_WILL_AUTO_RESTART = 1U << 1,
+        UNIT_NOTIFY_RELOAD_FAILURE    = 1 << 0,
+        UNIT_NOTIFY_WILL_AUTO_RESTART = 1 << 1,
 } UnitNotifyFlags;
 
 void unit_notify(Unit *u, UnitActiveState os, UnitActiveState ns, UnitNotifyFlags flags);
@@ -755,6 +754,8 @@ bool unit_type_supported(UnitType t);
 
 bool unit_is_pristine(Unit *u);
 
+bool unit_is_unneeded(Unit *u);
+
 pid_t unit_control_pid(Unit *u);
 pid_t unit_main_pid(Unit *u);