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Check whether kernel is for X86 via JNI

Browse source 
Bug: 319532485
Test: Verified the return value on husky (arm)
      and cuttlefish (x86_64)
Change-Id: I8fd53b0f137ad701e051644eafaa12c2a5cf3e7f
This commit is contained in:
Yan Yan 2024-02-07 19:02:28 +00:00
commit 02f6124b05
2 changed files with 8 additions and 0 deletions
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5
framework/jni/android_net_NetworkUtils.cpp
View file

@ -255,6 +255,10 @@ static jboolean android_net_utils_isKernel64Bit(JNIEnv *env, jclass clazz) {
return bpf::isKernel64Bit();
}
static jboolean android_net_utils_isKernelX86(JNIEnv *env, jclass clazz) {
return bpf::isX86();
}
// ----------------------------------------------------------------------------
/*
@ -278,6 +282,7 @@ static const JNINativeMethod gNetworkUtilMethods[] = {
{ "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

3
framework/src/android/net/NetworkUtils.java
View file

@ -440,4 +440,7 @@ public class NetworkUtils {
/** 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();
}