Fix signal chain to allow for signal() call to be used
Bug: 17320614
Change-Id: Ia917307fb1b593644f524518e11e295b3c64be01
diff --git a/test/004-SignalTest2/expected.txt b/test/004-SignalTest2/expected.txt
new file mode 100644
index 0000000..fd5ec00
--- /dev/null
+++ b/test/004-SignalTest2/expected.txt
@@ -0,0 +1,5 @@
+init signal test
+Caught NullPointerException
+Caught StackOverflowError
+signal caught
+Signal test OK
diff --git a/test/004-SignalTest2/info.txt b/test/004-SignalTest2/info.txt
new file mode 100644
index 0000000..00b0d9a
--- /dev/null
+++ b/test/004-SignalTest2/info.txt
@@ -0,0 +1 @@
+Imported from oat tests.
diff --git a/test/004-SignalTest2/signaltest.cc b/test/004-SignalTest2/signaltest.cc
new file mode 100644
index 0000000..47b1eb6
--- /dev/null
+++ b/test/004-SignalTest2/signaltest.cc
@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+
+#include "jni.h"
+
+#include <sys/ucontext.h>
+
+static int signal_count;
+static const int kMaxSignal = 2;
+
+static void signalhandler(int sig) {
+ printf("signal caught\n");
+ ++signal_count;
+ if (signal_count > kMaxSignal) {
+ printf("too many signals\n");
+ abort();
+ }
+ printf("Signal test OK\n");
+ exit(0);
+}
+
+sighandler_t oldsignal;
+
+extern "C" JNIEXPORT void JNICALL Java_Main_initSignalTest2(JNIEnv*, jclass) {
+ oldsignal = signal(SIGSEGV, reinterpret_cast<sighandler_t>(signalhandler));
+}
+
+// Prevent the compiler being a smart-alec and optimizing out the assignment
+// to nullptr.
+char *go_away_compiler2 = nullptr;
+
+extern "C" JNIEXPORT void JNICALL Java_Main_testSignal2(JNIEnv*, jclass) {
+ *go_away_compiler2 = 'a';
+}
+
diff --git a/test/004-SignalTest2/src/Main.java b/test/004-SignalTest2/src/Main.java
new file mode 100644
index 0000000..7799e8c
--- /dev/null
+++ b/test/004-SignalTest2/src/Main.java
@@ -0,0 +1,52 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+public class Main {
+ private static native void initSignalTest2();
+ private static native void testSignal2();
+
+ private static void stackOverflow() {
+ stackOverflow();
+ }
+
+ public static void main(String[] args) {
+ System.loadLibrary("arttest");
+
+ System.out.println("init signal test");
+ initSignalTest2();
+ try {
+ Object o = null;
+ int hash = o.hashCode();
+
+ // Should never get here.
+ System.out.println("hash: " + hash);
+ throw new AssertionError();
+ } catch (NullPointerException e) {
+ System.out.println("Caught NullPointerException");
+ }
+ try {
+ stackOverflow();
+
+ // Should never get here.
+ throw new AssertionError();
+ } catch (StackOverflowError e) {
+ System.out.println("Caught StackOverflowError");
+ }
+
+ // Test that a signal in native code works.
+ testSignal2();
+ }
+}