From 77826cf8253e5bda0ca7e694a2d100e4988d9e38 Mon Sep 17 00:00:00 2001
From: tstuefe <thomas.stuefe@gmail.com>
Date: Thu, 8 Sep 2022 09:15:22 +0200
Subject: [PATCH] Move semaphore initialization for dispatcher thread up

---
 src/hotspot/os/posix/signals_posix.cpp | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/src/hotspot/os/posix/signals_posix.cpp b/src/hotspot/os/posix/signals_posix.cpp
index 99edfc6a9936d..ae48318ad1830 100644
--- a/src/hotspot/os/posix/signals_posix.cpp
+++ b/src/hotspot/os/posix/signals_posix.cpp
@@ -1820,13 +1820,18 @@ int PosixSignals::init() {
     return JNI_ERR;
   }
 
+  // Initialize data for jdk.internal.misc.Signal
+  if (!ReduceSignalUsage) {
+    jdk_misc_signal_init();
+  }
+
   signal_sets_init();
 
   install_signal_handlers();
 
-  // Initialize data for jdk.internal.misc.Signal
-  if (!ReduceSignalUsage) {
-    jdk_misc_signal_init();
+  // Test-send ourselves a SIGQUIT. Should come delayed at the end of VM initialization, when dispatcher thread is up and running.
+  if (UseNewCode) {
+    ::kill(::getpid(), SIGQUIT);
   }
 
   return JNI_OK;