Reduce stack usage for overflow checks

This reduces the stack space reserved for overflow checks to 12K, split
into an 8K gap and a 4K protected region.  GC needs over 8K when running
in a stack overflow situation.

Also prevents signal runaway by detecting a signal inside code that
resulted from a signal handler invokation.  And adds a max signal count to
the SignalTest to prevent it running forever.

Also reduces the number of iterations for the InterfaceTest as this was
taking (almost) forever with the --trace option on run-test.

Bug: 15435566

Change-Id: Id4fd46f22d52d42a9eb431ca07948673e8fda694

1 files changed, 2 insertions, 2 deletions

diff --git a/test/004-InterfaceTest/src/Main.java b/test/004-InterfaceTest/src/Main.java
index 9ebac59..297cbb0 100644
--- a/test/004-InterfaceTest/src/Main.java
+++ b/test/004-InterfaceTest/src/Main.java
@@ -23,7 +23,7 @@ public class Main {
     Integer intobj = new Integer(0);
     String s = "asdf";
     long start = System.currentTimeMillis();
-    for (int i = 0; i < 1000000; i++) {
+    for (int i = 0; i < 10000; i++) {
         map.put(intobj, s);
     }
     long end = System.currentTimeMillis();
@@ -34,7 +34,7 @@ public class Main {
     Integer intobj = new Integer(0);
     String s = "asdf";
     long start = System.currentTimeMillis();
-    for (int i = 0; i < 1000000; i++) {
+    for (int i = 0; i < 10000; i++) {
         map.put(intobj, s);
     }
     long end = System.currentTimeMillis();