init: add class_restart
Bug: 34093663
Test: hwservicemanager `onrestart class_restart hal` works
Change-Id: Ie1e4daab2b7b4c6c714d4e3d05afa2d86d6233df
diff --git a/init/README.md b/init/README.md
index 709c667..9d352f8 100644
--- a/init/README.md
+++ b/init/README.md
@@ -279,6 +279,9 @@
currently running, without disabling them. They can be restarted
later using `class_start`.
+`class_restart <serviceclass>`
+> Restarts all services of the specified class.
+
`copy <src> <dst>`
> Copies a file. Similar to write, but useful for binary/large
amounts of data.
@@ -358,7 +361,8 @@
"sys.powerctl" system property, used to implement rebooting.
`restart <service>`
-> Like stop, but doesn't disable the service.
+> Stops and restarts a running service, does nothing if the service is currently
+ restarting, otherwise, it just starts the service.
`restorecon <path> [ <path>\* ]`
> Restore the file named by _path_ to the security context specified
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 32e9ef6..95f1aa0 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -148,6 +148,12 @@
return 0;
}
+static int do_class_restart(const std::vector<std::string>& args) {
+ ServiceManager::GetInstance().
+ ForEachServiceInClass(args[1], [] (Service* s) { s->Restart(); });
+ return 0;
+}
+
static int do_domainname(const std::vector<std::string>& args) {
return write_file("/proc/sys/kernel/domainname", args[1].c_str()) ? 0 : 1;
}
@@ -897,6 +903,7 @@
{"chmod", {2, 2, do_chmod}},
{"chown", {2, 3, do_chown}},
{"class_reset", {1, 1, do_class_reset}},
+ {"class_restart", {1, 1, do_class_restart}},
{"class_start", {1, 1, do_class_start}},
{"class_stop", {1, 1, do_class_stop}},
{"copy", {2, 2, do_copy}},