Remove some more unused code from the Solaris files.

diff --git a/src/hotspot/os/solaris/os_solaris.hpp b/src/hotspot/os/solaris/os_solaris.hpp
index 3d099dfb7..3e2c88324 100644
--- a/src/hotspot/os/solaris/os_solaris.hpp
+++ b/src/hotspot/os/solaris/os_solaris.hpp
@@ -160,8 +160,6 @@ class Solaris {
   static void synchronization_init();
   static bool liblgrp_init();
 
-  static void init_signal_mem();
-
   // Allows us to switch between lwp and thread -based synchronization
   static int mutex_lock(mutex_t *mx)    { return _mutex_lock(mx); }
   static int mutex_trylock(mutex_t *mx) { return _mutex_trylock(mx); }
diff --git a/src/hotspot/os/solaris/os_solaris.cpp b/src/hotspot/os/solaris/os_solaris.cpp
index 894958e7c..5273ea961 100644
--- a/src/hotspot/os/solaris/os_solaris.cpp
+++ b/src/hotspot/os/solaris/os_solaris.cpp
@@ -1581,37 +1581,6 @@ void os::print_jni_name_suffix_on(outputStream* st, int args_size) {
   // no suffix required
 }
 
-// The following code is moved from os.cpp for making this
-// code platform specific, which it is by its very nature.
-
-// a counter for each possible signal value
-static int Sigexit = 0;
-static jint *pending_signals = NULL;
-static int *preinstalled_sigs = NULL;
-static struct sigaction *chainedsigactions = NULL;
-static Semaphore* sig_sem = NULL;
-
-void os::Solaris::init_signal_mem() {
-  // Initialize signal structures
-  Maxsignum = SIGRTMAX;
-  Sigexit = Maxsignum+1;
-  assert(Maxsignum >0, "Unable to obtain max signal number");
-
-  // Initialize signal structures
-  // pending_signals has one int per signal
-  // The additional signal is for SIGEXIT - exit signal to signal_thread
-  pending_signals = (jint *)os::malloc(sizeof(jint) * (Sigexit+1), mtInternal);
-  memset(pending_signals, 0, (sizeof(jint) * (Sigexit+1)));
-
-  if (UseSignalChaining) {
-    chainedsigactions = (struct sigaction *)malloc(sizeof(struct sigaction)
-                                                   * (Maxsignum + 1), mtInternal);
-    memset(chainedsigactions, 0, (sizeof(struct sigaction) * (Maxsignum + 1)));
-    preinstalled_sigs = (int *)os::malloc(sizeof(int) * (Maxsignum + 1), mtInternal);
-    memset(preinstalled_sigs, 0, (sizeof(int) * (Maxsignum + 1)));
-  }
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 // Virtual Memory
 
@@ -2903,7 +2872,6 @@ jint os::init_2(void) {
     FLAG_SET_ERGO_IF_DEFAULT(UseNUMAInterleaving, true);
   }
 
-  Solaris::init_signal_mem();
   if (PosixSignals::init() == JNI_ERR) {
     return JNI_ERR;
   }