diff -r 31e440f07baa -r 2a47b89db4ec hotspot/src/os/bsd/vm/os_bsd.cpp
--- a/hotspot/src/os/bsd/vm/os_bsd.cpp	Thu Oct 29 21:38:25 2015 -0400
+++ b/hotspot/src/os/bsd/vm/os_bsd.cpp	Fri Oct 30 00:23:07 2015 -0400
@@ -1777,7 +1777,6 @@
   print_signal_handler(st, SIGPIPE, buf, buflen);
   print_signal_handler(st, SIGXFSZ, buf, buflen);
   print_signal_handler(st, SIGILL , buf, buflen);
-  print_signal_handler(st, INTERRUPT_SIGNAL, buf, buflen);
   print_signal_handler(st, SR_signum, buf, buflen);
   print_signal_handler(st, SHUTDOWN1_SIGNAL, buf, buflen);
   print_signal_handler(st, SHUTDOWN2_SIGNAL , buf, buflen);
@@ -3345,7 +3344,6 @@
   }
 
   DO_SIGNAL_CHECK(SR_signum);
-  DO_SIGNAL_CHECK(INTERRUPT_SIGNAL);
 }
 
 typedef int (*os_sigaction_t)(int, const struct sigaction *, struct sigaction *);
@@ -3391,10 +3389,6 @@
     jvmHandler = (address)user_handler();
     break;
 
-  case INTERRUPT_SIGNAL:
-    jvmHandler = CAST_FROM_FN_PTR(address, SIG_DFL);
-    break;
-
   default:
     if (sig == SR_signum) {
       jvmHandler = CAST_FROM_FN_PTR(address, (sa_sigaction_t)SR_handler);
@@ -3913,9 +3907,6 @@
   if (::fstat(fd, &buf) >= 0) {
     mode = buf.st_mode;
     if (S_ISCHR(mode) || S_ISFIFO(mode) || S_ISSOCK(mode)) {
-      // XXX: is the following call interruptible? If so, this might
-      // need to go through the INTERRUPT_IO() wrapper as for other
-      // blocking, interruptible calls in this file.
       int n;
       if (::ioctl(fd, FIONREAD, &n) >= 0) {
         *bytes = n;