1 files changed, 58 insertions, 0 deletions
diff --git a/tutorials/MoarRam/jni/foo.c b/tutorials/MoarRam/jni/foo.c
new file mode 100644
index 000000000..a318c748d
--- /dev/null
+++ b/tutorials/MoarRam/jni/foo.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2013 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 <jni.h>
+#include <cutils/log.h>
+
+#if defined(LOG_TAG)
+#undef LOG_TAG
+#define LOG_TAG "MOARRAM"
+#endif
+
+char *gPtr;
+static int num32ByteBlocks;
+
+void
+Java_com_android_benchmark_moarram_MainActivity_add32ByteBlocksNative(
+    JNIEnv*  env,
+    jobject  this)
+{
+    char **ptr = malloc(32);
+    *ptr = gPtr;
+    gPtr = (char *) ptr;
+    num32ByteBlocks++;
+    ALOGW("%d 32-byte blocks allocated so far (just allocated %p)",
+          num32ByteBlocks, gPtr);
+}
+
+void
+Java_com_android_benchmark_moarram_MainActivity_free32ByteBlocksNative(
+    JNIEnv*  env,
+    jobject  this)
+{
+    if (gPtr == NULL) {
+        ALOGW("All 32-byte blocks are freed");
+        return;
+    }
+
+    char **ptr = (char **) gPtr;
+    gPtr = *ptr;
+    free(ptr);
+    num32ByteBlocks--;
+    ALOGW("%d 32-byte blocks allocated so far (just freed %p)",
+          num32ByteBlocks, ptr);
+}