--- /dev/null	2018-03-21 14:25:18.953544359 -0700
+++ new/test/hotspot/jtreg/runtime/signal/SigTestDriver.java	2018-03-26 15:05:11.216053712 -0700
@@ -0,0 +1,173 @@
+/*
+ * Copyright (c) 2007, 2018, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import jdk.test.lib.Platform;
+import jdk.test.lib.Utils;
+import jdk.test.lib.process.OutputAnalyzer;
+import jdk.test.lib.process.ProcessTools;
+
+import java.io.File;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+public class SigTestDriver {
+    public static void main(String[] args) {
+        // No signal tests on Windows yet; so setting to no-op
+        if (Platform.isWindows()) {
+            System.out.println("SKIPPED: no signal tests on Windows, ignore.");
+            return;
+        }
+
+        String signame = args[0];
+        switch (signame) {
+            case "SIGWAITING":
+            case "SIGKILL":
+            case "SIGSTOP": {
+                System.out.println("SKIPPED: signals SIGWAITING, SIGKILL and SIGSTOP can't be tested, ignore.");
+                return;
+            }
+            case "SIGUSR2": {
+                if (Platform.isLinux()) {
+                    System.out.println("SKIPPED: SIGUSR2 can't be tested on Linux, ignore.");
+                    return;
+                } else if (Platform.isOSX()) {
+                    System.out.println("SKIPPED: SIGUSR2 can't be tested on OS X, ignore.");
+                    return;
+                }
+            }
+        }
+
+        Path test = Paths.get(System.getProperty("test.nativepath"))
+                         .resolve("sigtest")
+                         .toAbsolutePath();
+        String envVar = Platform.isWindows() ? "PATH" :
+                (Platform.isOSX() ? "DYLD_LIBRARY_PATH" : "LD_LIBRARY_PATH");
+
+        List<String> cmd = new ArrayList<>();
+        Collections.addAll(cmd,
+                test.toString(),
+                "-sig",
+                signame,
+                "-mode",
+                null, // modeIdx
+                "-scenario",
+                null // scenarioIdx
+        );
+        int modeIdx = 4;
+        int scenarioIdx = 6;
+
+        // add external flags
+        cmd.addAll(vmargs());
+
+        // add test specific arguments w/o signame
+        cmd.addAll(Arrays.asList(args)
+                         .subList(1, args.length));
+
+        boolean passed = true;
+
+        for (String mode : new String[]{"sigset", "sigaction"}) {
+            for (String scenario : new String[] {"nojvm", "prepre", "prepost", "postpre", "postpost"}) {
+                cmd.set(modeIdx, mode);
+                cmd.set(scenarioIdx, scenario);
+                System.out.printf("START TESTING: SIGNAL = %s, MODE = %s, SCENARIO=%s%n",signame, mode, scenario);
+                System.out.printf("Do execute: %s%n", cmd.toString());
+
+                ProcessBuilder pb = new ProcessBuilder(cmd);
+                pb.environment().merge(envVar, jvmLibDir().toString(),
+                        (x, y) -> y + File.pathSeparator + x);
+                pb.environment().put("CLASSPATH", Utils.TEST_CLASS_PATH);
+
+                switch (scenario) {
+                    case "postpre":
+                    case "postpost": {
+                        pb.environment().merge("LD_PRELOAD", libjsig().toString(),
+                                (x, y) -> y + File.pathSeparator + x);
+                    }
+                }
+
+                try {
+                    OutputAnalyzer oa = ProcessTools.executeProcess(pb);
+                    oa.reportDiagnosticSummary();
+                    int exitCode = oa.getExitValue();
+                    if (exitCode == 0) {
+                       System.out.println("PASSED with exit code 0");
+                    } else {
+                        System.out.println("FAILED with exit code " + exitCode);
+                        passed = false;
+                    }
+                } catch (Exception e) {
+                    throw new Error("execution failed", e);
+                }
+            }
+        }
+
+        if (!passed) {
+            throw new Error("test failed");
+        }
+    }
+
+    private static List<String> vmargs() {
+        return Stream.concat(Arrays.stream(Utils.VM_OPTIONS.split(" ")),
+                             Arrays.stream(Utils.JAVA_OPTIONS.split(" ")))
+                     .filter(s -> !s.isEmpty())
+                     .filter(s -> s.startsWith("-X"))
+                     .flatMap(arg -> Stream.of("-vmopt", arg))
+                     .collect(Collectors.toList());
+    }
+
+    private static Path libjsig() {
+        return jvmLibDir().resolve((Platform.isWindows() ? "" : "lib")
+                + "jsig." + Platform.sharedLibraryExt());
+    }
+
+    private static Path jvmLibDir() {
+        Path dir = Paths.get(Utils.TEST_JDK);
+        if (Platform.isWindows()) {
+            return dir.resolve("bin")
+                      .resolve(variant())
+                      .toAbsolutePath();
+        } else {
+            return dir.resolve("lib")
+                      .resolve(variant())
+                      .toAbsolutePath();
+        }
+    }
+
+    private static String variant() {
+        if (Platform.isServer()) {
+            return "server";
+        } else if (Platform.isClient()) {
+            return "client";
+        } else if (Platform.isMinimal()) {
+            return "minimal";
+        } else {
+            throw new Error("TESTBUG: unsupported vm variant");
+        }
+    }
+}