core: add new logic for services to store file descriptors in PID 1

[elogind.git] / src / shared / unit-name.h

diff --git a/src/shared/unit-name.h b/src/shared/unit-name.h
index c28d55d3e84360c9d70ebd831880e6b9514f2ac1..6f139cc4c4101a18cd4105c663112408f5339baf 100644 (file)
--- a/src/shared/unit-name.h
+++ b/src/shared/unit-name.h
@@ -23,22 +23,28 @@
 
 #include <stdbool.h>
 
+#include "macro.h"
+
 #define UNIT_NAME_MAX 256
 
 typedef enum UnitType UnitType;
 typedef enum UnitLoadState UnitLoadState;
+typedef enum UnitDependency UnitDependency;
 
 enum UnitType {
         UNIT_SERVICE = 0,
         UNIT_SOCKET,
+        UNIT_BUSNAME,
         UNIT_TARGET,
+        UNIT_SNAPSHOT,
         UNIT_DEVICE,
         UNIT_MOUNT,
         UNIT_AUTOMOUNT,
-        UNIT_SNAPSHOT,
-        UNIT_TIMER,
         UNIT_SWAP,
+        UNIT_TIMER,
         UNIT_PATH,
+        UNIT_SLICE,
+        UNIT_SCOPE,
         _UNIT_TYPE_MAX,
         _UNIT_TYPE_INVALID = -1
 };
@@ -46,6 +52,7 @@ enum UnitType {
 enum UnitLoadState {
         UNIT_STUB = 0,
         UNIT_LOADED,
+        UNIT_NOT_FOUND,
         UNIT_ERROR,
         UNIT_MERGED,
         UNIT_MASKED,
@@ -53,21 +60,73 @@ enum UnitLoadState {
         _UNIT_LOAD_STATE_INVALID = -1
 };
 
-const char *unit_type_to_string(UnitType i);
-UnitType unit_type_from_string(const char *s);
+enum UnitDependency {
+        /* Positive dependencies */
+        UNIT_REQUIRES,
+        UNIT_REQUIRES_OVERRIDABLE,
+        UNIT_REQUISITE,
+        UNIT_REQUISITE_OVERRIDABLE,
+        UNIT_WANTS,
+        UNIT_BINDS_TO,
+        UNIT_PART_OF,
+
+        /* Inverse of the above */
+        UNIT_REQUIRED_BY,             /* inverse of 'requires' and 'requisite' is 'required_by' */
+        UNIT_REQUIRED_BY_OVERRIDABLE, /* inverse of 'requires_overridable' and 'requisite_overridable' is 'soft_required_by' */
+        UNIT_WANTED_BY,               /* inverse of 'wants' */
+        UNIT_BOUND_BY,                /* inverse of 'binds_to' */
+        UNIT_CONSISTS_OF,             /* inverse of 'part_of' */
+
+        /* Negative dependencies */
+        UNIT_CONFLICTS,               /* inverse of 'conflicts' is 'conflicted_by' */
+        UNIT_CONFLICTED_BY,
+
+        /* Order */
+        UNIT_BEFORE,                  /* inverse of 'before' is 'after' and vice versa */
+        UNIT_AFTER,
+
+        /* On Failure */
+        UNIT_ON_FAILURE,
+
+        /* Triggers (i.e. a socket triggers a service) */
+        UNIT_TRIGGERS,
+        UNIT_TRIGGERED_BY,
+
+        /* Propagate reloads */
+        UNIT_PROPAGATES_RELOAD_TO,
+        UNIT_RELOAD_PROPAGATED_FROM,
+
+        /* Joins namespace of */
+        UNIT_JOINS_NAMESPACE_OF,
+
+        /* Reference information for GC logic */
+        UNIT_REFERENCES,              /* Inverse of 'references' is 'referenced_by' */
+        UNIT_REFERENCED_BY,
+
+        _UNIT_DEPENDENCY_MAX,
+        _UNIT_DEPENDENCY_INVALID = -1
+};
+
+const char *unit_type_to_string(UnitType i) _const_;
+UnitType unit_type_from_string(const char *s) _pure_;
 
-const char *unit_load_state_to_string(UnitLoadState i);
-UnitLoadState unit_load_state_from_string(const char *s);
+const char *unit_load_state_to_string(UnitLoadState i) _const_;
+UnitLoadState unit_load_state_from_string(const char *s) _pure_;
 
 int unit_name_to_instance(const char *n, char **instance);
 char* unit_name_to_prefix(const char *n);
 char* unit_name_to_prefix_and_instance(const char *n);
 
-bool unit_name_is_valid(const char *n, bool template_ok);
-bool unit_prefix_is_valid(const char *p);
-bool unit_instance_is_valid(const char *i);
+enum template_valid {
+        TEMPLATE_INVALID,
+        TEMPLATE_VALID,
+};
+
+bool unit_name_is_valid(const char *n, enum template_valid template_ok) _pure_;
+bool unit_prefix_is_valid(const char *p) _pure_;
+bool unit_instance_is_valid(const char *i) _pure_;
 
-UnitType unit_name_to_type(const char *n);
+UnitType unit_name_to_type(const char *n) _pure_;
 
 char *unit_name_change_suffix(const char *n, const char *suffix);
 
@@ -78,8 +137,8 @@ char *unit_name_unescape(const char *f);
 char *unit_name_path_escape(const char *f);
 char *unit_name_path_unescape(const char *f);
 
-bool unit_name_is_template(const char *n);
-bool unit_name_is_instance(const char *n);
+bool unit_name_is_template(const char *n) _pure_;
+bool unit_name_is_instance(const char *n) _pure_;
 
 char *unit_name_replace_instance(const char *f, const char *i);
 
@@ -90,6 +149,19 @@ char *unit_name_from_path_instance(const char *prefix, const char *path, const c
 char *unit_name_to_path(const char *name);
 
 char *unit_dbus_path_from_name(const char *name);
+int unit_name_from_dbus_path(const char *path, char **name);
+
+enum unit_name_mangle {
+        MANGLE_NOGLOB,
+        MANGLE_GLOB,
+};
+
+char *unit_name_mangle_with_suffix(const char *name, enum unit_name_mangle allow_globs, const char *suffix);
+static inline char *unit_name_mangle(const char *name, enum unit_name_mangle allow_globs) {
+        return unit_name_mangle_with_suffix(name, allow_globs, ".service");
+}
+
+int build_subslice(const char *slice, const char*name, char **subslice);
 
-char *unit_name_mangle(const char *name);
-char *snapshot_name_mangle(const char *name);
+const char *unit_dependency_to_string(UnitDependency i) _const_;
+UnitDependency unit_dependency_from_string(const char *s) _pure_;