1 files changed, 25 insertions, 0 deletions
diff --git a/vespajlib/src/main/java/com/yahoo/io/NativeC.java b/vespajlib/src/main/java/com/yahoo/io/NativeC.java
new file mode 100644
index 00000000000..7dbf4015bcf
--- /dev/null
+++ b/vespajlib/src/main/java/com/yahoo/io/NativeC.java
@@ -0,0 +1,25 @@
+package com.yahoo.io;
+
+import com.sun.jna.LastErrorException;
+import com.sun.jna.Native;
+import com.sun.jna.Platform;
+
+class NativeC {
+    private final static Throwable initException = loadLibrary();
+    private static Throwable loadLibrary() {
+        if (Platform.isLinux()) {
+            try {
+                Native.register(Platform.C_LIBRARY_NAME);
+            } catch (Throwable e) {
+                return e;
+            }
+        } else {
+            return new RuntimeException("Platform is unsúpported. Only supported on linux.");
+        }
+        return null;
+    }
+    static Throwable init() {
+        return initException;
+    }
+    static native int posix_fadvise(int fd, long offset, long len, int flag) throws LastErrorException;
+}