--- a/hotspot/src/os/solaris/vm/os_solaris.cpp	Mon Feb 18 12:49:53 2013 +0100
+++ b/hotspot/src/os/solaris/vm/os_solaris.cpp	Tue Feb 19 08:51:56 2013 -0500
@@ -4317,7 +4317,9 @@
 
 
 void signalHandler(int sig, siginfo_t* info, void* ucVoid) {
+  int orig_errno = errno;  // Preserve errno value over signal handler.
   JVM_handle_solaris_signal(sig, info, ucVoid, true);
+  errno = orig_errno;
 }
 
 /* Do not delete - if guarantee is ever removed,  a signal handler (even empty)