core: rework how we match mount units against each other

[elogind.git] / src / core / manager.h

diff --git a/src/core/manager.h b/src/core/manager.h
index 6d5241497d0e257a635c8f1a8c1b3ff66f768f71..a3049b5e5b665fe7937ca4cf2a3274cdb8670732 100644 (file)
--- a/src/core/manager.h
+++ b/src/core/manager.h
@@ -63,7 +63,8 @@ enum WatchType {
         WATCH_DBUS_WATCH,
         WATCH_DBUS_TIMEOUT,
         WATCH_TIME_CHANGE,
-        WATCH_JOBS_IN_PROGRESS
+        WATCH_JOBS_IN_PROGRESS,
+        WATCH_IDLE_PIPE,
 };
 
 struct Watch {
@@ -102,9 +103,6 @@ struct Manager {
          * type we maintain a per type linked list */
         LIST_HEAD(Unit, units_by_type[_UNIT_TYPE_MAX]);
 
-        /* To optimize iteration of units that have requires_mounts_for set */
-        LIST_HEAD(Unit, has_requires_mounts_for);
-
         /* Units that need to be loaded */
         LIST_HEAD(Unit, load_queue); /* this is actually more a stack than a queue, but uh. */
 
@@ -135,6 +133,7 @@ struct Manager {
         Watch signal_watch;
         Watch time_change_watch;
         Watch jobs_in_progress_watch;
+        Watch idle_pipe_watch;
 
         int epoll_fd;
 
@@ -227,6 +226,7 @@ struct Manager {
 
         bool show_status;
         bool confirm_spawn;
+        bool no_console_output;
 
         ExecOutput default_std_output, default_std_error;
 
@@ -244,10 +244,15 @@ struct Manager {
         unsigned jobs_in_progress_iteration;
 
         /* Type=idle pipes */
-        int idle_pipe[2];
+        int idle_pipe[4];
 
         char *switch_root;
         char *switch_root_init;
+
+        /* This maps all possible path prefixes to the units needing
+         * them. It's a hashmap with a path string as key and a Set as
+         * value where Unit objects are contained. */
+        Hashmap *units_requiring_mounts_for;
 };
 
 int manager_new(SystemdRunningAs running_as, bool reexecuting, Manager **m);
@@ -260,6 +265,8 @@ int manager_startup(Manager *m, FILE *serialization, FDSet *fds);
 Job *manager_get_job(Manager *m, uint32_t id);
 Unit *manager_get_unit(Manager *m, const char *name);
 
+int manager_get_unit_by_path(Manager *m, const char *path, const char *suffix, Unit **_found);
+
 int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j);
 
 int manager_load_unit_prepare(Manager *m, const char *name, const char *path, DBusError *e, Unit **_ret);
@@ -278,7 +285,7 @@ unsigned manager_dispatch_load_queue(Manager *m);
 unsigned manager_dispatch_run_queue(Manager *m);
 unsigned manager_dispatch_dbus_queue(Manager *m);
 
-int manager_set_default_environment(Manager *m, char **environment);
+int manager_environment_add(Manager *m, char **environment);
 int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit);
 
 int manager_loop(Manager *m);
@@ -313,4 +320,6 @@ void manager_recheck_journal(Manager *m);
 void manager_set_show_status(Manager *m, bool b);
 void manager_status_printf(Manager *m, bool ephemeral, const char *status, const char *format, ...) _printf_attr_(4,5);
 
+Set *manager_get_units_requiring_mounts_for(Manager *m, const char *path);
+
 void watch_init(Watch *w);