Allow actions to set their process title via the option action_name

bin/save_state.php

@@ -8,8 +8,12 @@
 use React\EventLoop\Loop;
 use React\EventLoop\LoopInterface;
 
+use function EdgeTelemetrics\EventCorrelation\disableOutputBuffering;
+
 require_once __DIR__ . '/composer.php';
 
+disableOutputBuffering();
+
 $filename = getenv('SAVESTATE_FILENAME');
 if ($filename === false) {
     fwrite(STDERR, 'No filename configured for save state to be written to. Set environment variable SAVESTATE_FILENAME' . PHP_EOL);
@@ -24,7 +28,7 @@
     public function __construct(protected string $saveFileName) {
         $directory = dirname($this->saveFileName);
 
-        $this->processWrap = new ActionHelper(['json_buffer_size' => 10485760*2]);
+        $this->processWrap = new ActionHelper(['action_name' => 'checkpointer', 'json_buffer_size' => 10485760*2]);
 
         $this->loop = Loop::get();
 
@@ -43,7 +47,6 @@ public function __construct(protected string $saveFileName) {
                 $this->returnError($request, "Save state sync failed." . json_encode(error_get_last()));
                 return;
             }
-
             $this->processWrap->write(new JsonRpcResponse($request->getId(), [
                 'saveStateBeginTime' => $request->getParam('time'),
                 'saveStateSizeBytes' => $saveStateSize,

src/Library/Actions/ActionHelper.php

@@ -58,6 +58,11 @@ public function __construct(array $options = []) {
         disableOutputBuffering();
         $this->loop = Loop::get();
 
+        if (function_exists('\cli_set_process_title')){
+            $myName = $options['action_name'] ?? 'action process';
+            @\cli_set_process_title($myName); //Silence it as macOS prior to certain PHP versions it does not work
+        }
+
         //Drop the process into its own process group so that SIGINT isn't propagated when running under a shell
         if (function_exists('\posix_setpgid')) {
             \posix_setpgid(0,0);