Merge "Remove explicit dependencies on conscrypt"
diff --git a/core/jni/android_util_Binder.cpp b/core/jni/android_util_Binder.cpp
index c3ba9ba..9341d9a 100644
--- a/core/jni/android_util_Binder.cpp
+++ b/core/jni/android_util_Binder.cpp
@@ -23,6 +23,7 @@
#include <atomic>
#include <fcntl.h>
#include <inttypes.h>
+#include <mutex>
#include <stdio.h>
#include <sys/stat.h>
#include <sys/types.h>
@@ -69,6 +70,7 @@
// Class state.
jclass mClass;
jmethodID mExecTransact;
+ jmethodID mGetInterfaceDescriptor;
// Object state.
jfieldID mObject;
@@ -328,8 +330,32 @@
env->DeleteGlobalRef(mObject);
}
- virtual status_t onTransact(
- uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0)
+ const String16& getInterfaceDescriptor() const override
+ {
+ call_once(mPopulateDescriptor, [this] {
+ JNIEnv* env = javavm_to_jnienv(mVM);
+
+ ALOGV("getInterfaceDescriptor() on %p calling object %p in env %p vm %p\n", this, mObject, env, mVM);
+
+ jstring descriptor = (jstring)env->CallObjectMethod(mObject, gBinderOffsets.mGetInterfaceDescriptor);
+
+ if (descriptor == nullptr) {
+ return;
+ }
+
+ static_assert(sizeof(jchar) == sizeof(char16_t), "");
+ const jchar* descriptorChars = env->GetStringChars(descriptor, nullptr);
+ const char16_t* rawDescriptor = reinterpret_cast<const char16_t*>(descriptorChars);
+ jsize rawDescriptorLen = env->GetStringLength(descriptor);
+ mDescriptor = String16(rawDescriptor, rawDescriptorLen);
+ env->ReleaseStringChars(descriptor, descriptorChars);
+ });
+
+ return mDescriptor;
+ }
+
+ status_t onTransact(
+ uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags = 0) override
{
JNIEnv* env = javavm_to_jnienv(mVM);
@@ -378,7 +404,7 @@
return res != JNI_FALSE ? NO_ERROR : UNKNOWN_TRANSACTION;
}
- virtual status_t dump(int fd, const Vector<String16>& args)
+ status_t dump(int fd, const Vector<String16>& args) override
{
return 0;
}
@@ -386,6 +412,9 @@
private:
JavaVM* const mVM;
jobject const mObject; // GlobalRef to Java Binder
+
+ mutable std::once_flag mPopulateDescriptor;
+ mutable String16 mDescriptor;
};
// ----------------------------------------------------------------------------
@@ -939,6 +968,8 @@
gBinderOffsets.mClass = MakeGlobalRefOrDie(env, clazz);
gBinderOffsets.mExecTransact = GetMethodIDOrDie(env, clazz, "execTransact", "(IJJI)Z");
+ gBinderOffsets.mGetInterfaceDescriptor = GetMethodIDOrDie(env, clazz, "getInterfaceDescriptor",
+ "()Ljava/lang/String;");
gBinderOffsets.mObject = GetFieldIDOrDie(env, clazz, "mObject", "J");
return RegisterMethodsOrDie(
diff --git a/services/core/java/com/android/server/am/ProcessList.java b/services/core/java/com/android/server/am/ProcessList.java
index 784d62e..302e195 100644
--- a/services/core/java/com/android/server/am/ProcessList.java
+++ b/services/core/java/com/android/server/am/ProcessList.java
@@ -157,9 +157,11 @@
// LMK_TARGET <minfree> <minkillprio> ... (up to 6 pairs)
// LMK_PROCPRIO <pid> <uid> <prio>
// LMK_PROCREMOVE <pid>
+ // LMK_PROCPURGE
static final byte LMK_TARGET = 0;
static final byte LMK_PROCPRIO = 1;
static final byte LMK_PROCREMOVE = 2;
+ static final byte LMK_PROCPURGE = 3;
// These are the various interesting memory levels that we will give to
// the OOM killer. Note that the OOM killer only supports 6 slots, so we
@@ -808,31 +810,46 @@
return true;
}
+ // Never call directly, use writeLmkd() instead
+ private static boolean writeLmkdCommand(ByteBuffer buf) {
+ try {
+ sLmkdOutputStream.write(buf.array(), 0, buf.position());
+ } catch (IOException ex) {
+ Slog.w(TAG, "Error writing to lowmemorykiller socket");
+
+ try {
+ sLmkdSocket.close();
+ } catch (IOException ex2) {
+ }
+
+ sLmkdSocket = null;
+ return false;
+ }
+ return true;
+ }
+
private static void writeLmkd(ByteBuffer buf) {
for (int i = 0; i < 3; i++) {
if (sLmkdSocket == null) {
- if (openLmkdSocket() == false) {
- try {
- Thread.sleep(1000);
- } catch (InterruptedException ie) {
- }
- continue;
+ if (openLmkdSocket() == false) {
+ try {
+ Thread.sleep(1000);
+ } catch (InterruptedException ie) {
}
- }
-
- try {
- sLmkdOutputStream.write(buf.array(), 0, buf.position());
- return;
- } catch (IOException ex) {
- Slog.w(TAG, "Error writing to lowmemorykiller socket");
-
- try {
- sLmkdSocket.close();
- } catch (IOException ex2) {
+ continue;
}
- sLmkdSocket = null;
+ // Purge any previously registered pids
+ ByteBuffer purge_buf = ByteBuffer.allocate(4);
+ purge_buf.putInt(LMK_PROCPURGE);
+ if (writeLmkdCommand(purge_buf) == false) {
+ // Write failed, skip the rest and retry
+ continue;
+ }
+ }
+ if (writeLmkdCommand(buf)) {
+ return;
}
}
}