diff -r 4befb3c9c758 -r 1a4101ebec92 src/hotspot/os/linux/os_linux.cpp
--- a/src/hotspot/os/linux/os_linux.cpp	Fri May 18 12:45:05 2018 -0700
+++ b/src/hotspot/os/linux/os_linux.cpp	Fri May 18 15:56:42 2018 -0400
@@ -2520,7 +2520,7 @@
 static Semaphore* sig_sem = NULL;
 static PosixSemaphore sr_semaphore;
 
-void os::signal_init_pd() {
+static void jdk_misc_signal_init() {
   // Initialize signal structures
   ::memset((void*)pending_signals, 0, sizeof(pending_signals));
 
@@ -2533,7 +2533,7 @@
     Atomic::inc(&pending_signals[sig]);
     sig_sem->signal();
   } else {
-    // Signal thread is not created with ReduceSignalUsage and signal_init_pd
+    // Signal thread is not created with ReduceSignalUsage and jdk_misc_signal_init
     // initialization isn't called.
     assert(ReduceSignalUsage, "signal semaphore should be created");
   }
@@ -4444,7 +4444,7 @@
                                                  void* ucontext,
                                                  int abort_if_unrecognized);
 
-void signalHandler(int sig, siginfo_t* info, void* uc) {
+static void signalHandler(int sig, siginfo_t* info, void* uc) {
   assert(info != NULL && uc != NULL, "it must be old kernel");
   int orig_errno = errno;  // Preserve errno value over signal handler.
   JVM_handle_linux_signal(sig, info, uc, true);
@@ -4992,6 +4992,10 @@
 
   Linux::signal_sets_init();
   Linux::install_signal_handlers();
+  // Initialize data for jdk.internal.misc.Signal
+  if (!ReduceSignalUsage) {
+    jdk_misc_signal_init();
+  }
 
   // Check and sets minimum stack sizes against command line options
   if (Posix::set_minimum_stack_sizes() == JNI_ERR) {