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 4dfb9fa3ce922f8c2b5b681f8e484544d1bee819..6f139cc4c4101a18cd4105c663112408f5339baf 100644 (file)
--- a/src/shared/unit-name.h
+++ b/src/shared/unit-name.h
@@ -1,7 +1,6 @@
 /*-*- Mode: C; c-basic-offset: 8; indent-tabs-mode: nil -*-*/
 
-#ifndef foounitnamehfoo
-#define foounitnamehfoo
+#pragma once
 
 /***
   This file is part of systemd.
@@ -24,27 +23,122 @@
 
 #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_SWAP,
+        UNIT_TIMER,
+        UNIT_PATH,
+        UNIT_SLICE,
+        UNIT_SCOPE,
+        _UNIT_TYPE_MAX,
+        _UNIT_TYPE_INVALID = -1
+};
+
+enum UnitLoadState {
+        UNIT_STUB = 0,
+        UNIT_LOADED,
+        UNIT_NOT_FOUND,
+        UNIT_ERROR,
+        UNIT_MERGED,
+        UNIT_MASKED,
+        _UNIT_LOAD_STATE_MAX,
+        _UNIT_LOAD_STATE_INVALID = -1
+};
+
+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) _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_no_type(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) _pure_;
 
 char *unit_name_change_suffix(const char *n, const char *suffix);
 
 char *unit_name_build(const char *prefix, const char *instance, const char *suffix);
-char *unit_name_build_escape(const char *prefix, const char *instance, const char *suffix);
 
 char *unit_name_escape(const char *f);
 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_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);
 
@@ -54,4 +148,20 @@ char *unit_name_from_path(const char *path, const char *suffix);
 char *unit_name_from_path_instance(const char *prefix, const char *path, const char *suffix);
 char *unit_name_to_path(const char *name);
 
-#endif
+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);
+
+const char *unit_dependency_to_string(UnitDependency i) _const_;
+UnitDependency unit_dependency_from_string(const char *s) _pure_;