nodejs
diff --git a/‎lib/internal/process/per_thread.js‎
Lines changed: 4 additions & 1 deletion b/‎lib/internal/process/per_thread.js‎
Lines changed: 4 additions & 1 deletion
diff --git a/‎test/parallel/test-process-really-exit.js‎
Lines changed: 17 additions & 0 deletions b/‎test/parallel/test-process-really-exit.js‎
Lines changed: 17 additions & 0 deletions
@@ -149,7 +149,10 @@ function wrapProcessMethods(binding) {
       process._exiting = true;
       process.emit('exit', process.exitCode || 0);
     }
-    binding.reallyExit(process.exitCode || 0);
+    // FIXME(joyeecheung): This is an undocumented API that gets monkey-patched
+    // in the user land. Either document it, or deprecate it in favor of a
+    // better public alternative.
+    process.reallyExit(process.exitCode || 0);
   }
 
   function kill(pid, sig) {
 
@@ -0,0 +1,17 @@
+'use strict';
+require('../common');
+const assert = require('assert');
+
+// ensure that the reallyExit hook is executed.
+// see: https://github.com/nodejs/node/issues/25650
+if (process.argv[2] === 'subprocess') {
+  process.reallyExit = function() {
+    console.info('really exited');
+  };
+  process.exit();
+} else {
+  const { spawnSync } = require('child_process');
+  const out = spawnSync(process.execPath, [__filename, 'subprocess']);
+  const observed = out.output[1].toString('utf8').trim();
+  assert.strictEqual(observed, 'really exited');
+}
Original file line number	Diff line number	Diff line change
@@ -149,7 +149,10 @@ function wrapProcessMethods(binding) {
149	149	process._exiting = true;
150	150	process.emit('exit', process.exitCode \|\| 0);
151	151	}
152		- binding.reallyExit(process.exitCode \|\| 0);
	152	+ // FIXME(joyeecheung): This is an undocumented API that gets monkey-patched
	153	+ // in the user land. Either document it, or deprecate it in favor of a
	154	+ // better public alternative.
	155	+ process.reallyExit(process.exitCode \|\| 0);
153	156	}
154	157
155	158	function kill(pid, sig) {