Check whether kernel is for X86 via JNI
Bug: 319532485
Test: Verified the return value on husky (arm)
and cuttlefish (x86_64)
Change-Id: I8fd53b0f137ad701e051644eafaa12c2a5cf3e7f
diff --git a/framework/jni/android_net_NetworkUtils.cpp b/framework/jni/android_net_NetworkUtils.cpp
index 51eaf1c..3779a00 100644
--- a/framework/jni/android_net_NetworkUtils.cpp
+++ b/framework/jni/android_net_NetworkUtils.cpp
@@ -255,6 +255,10 @@
return bpf::isKernel64Bit();
}
+static jboolean android_net_utils_isKernelX86(JNIEnv *env, jclass clazz) {
+ return bpf::isX86();
+}
+
// ----------------------------------------------------------------------------
/*
@@ -278,6 +282,7 @@
{ "setsockoptBytes", "(Ljava/io/FileDescriptor;II[B)V",
(void*) android_net_utils_setsockoptBytes},
{ "isKernel64Bit", "()Z", (void*) android_net_utils_isKernel64Bit },
+ { "isKernelX86", "()Z", (void*) android_net_utils_isKernelX86 },
};
// clang-format on
diff --git a/framework/src/android/net/NetworkUtils.java b/framework/src/android/net/NetworkUtils.java
index 785c029..18feb84 100644
--- a/framework/src/android/net/NetworkUtils.java
+++ b/framework/src/android/net/NetworkUtils.java
@@ -440,4 +440,7 @@
/** Returns whether the Linux Kernel is 64 bit */
public static native boolean isKernel64Bit();
+
+ /** Returns whether the Linux Kernel is x86 */
+ public static native boolean isKernelX86();
}