Merge "Add ProcessInfoService to activity manager."
diff --git a/Android.mk b/Android.mk
index 2a94f3a..d9e4455 100644
--- a/Android.mk
+++ b/Android.mk
@@ -199,6 +199,7 @@
core/java/android/os/INetworkActivityListener.aidl \
core/java/android/os/INetworkManagementService.aidl \
core/java/android/os/IPermissionController.aidl \
+ core/java/android/os/IProcessInfoService.aidl \
core/java/android/os/IPowerManager.aidl \
core/java/android/os/IRemoteCallback.aidl \
core/java/android/os/ISchedulingPolicyService.aidl \
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java
index 7a636db..c6ffef6 100644
--- a/core/java/android/app/ActivityManager.java
+++ b/core/java/android/app/ActivityManager.java
@@ -256,6 +256,9 @@
/** @hide User operation call: given user id is the current user, can't be stopped. */
public static final int USER_OP_IS_CURRENT = -2;
+ /** @hide Process does not exist. */
+ public static final int PROCESS_STATE_NONEXISTENT = -1;
+
/** @hide Process is a persistent system process. */
public static final int PROCESS_STATE_PERSISTENT = 0;
diff --git a/core/java/android/os/IProcessInfoService.aidl b/core/java/android/os/IProcessInfoService.aidl
new file mode 100644
index 0000000..c98daa2
--- /dev/null
+++ b/core/java/android/os/IProcessInfoService.aidl
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2015 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.
+ */
+
+package android.os;
+
+/** {@hide} */
+interface IProcessInfoService
+{
+ /**
+ * For each PID in the given input array, write the current process state
+ * for that process into the output array, or ActivityManager.PROCESS_STATE_NONEXISTENT
+ * to indicate that no process with the given PID exists.
+ */
+ void getProcessStatesFromPids(in int[] pids, out int[] states);
+}
+
diff --git a/services/core/java/com/android/server/am/ActivityManagerService.java b/services/core/java/com/android/server/am/ActivityManagerService.java
index ab1a1e8..7b75f83 100644
--- a/services/core/java/com/android/server/am/ActivityManagerService.java
+++ b/services/core/java/com/android/server/am/ActivityManagerService.java
@@ -169,6 +169,7 @@
import android.os.Handler;
import android.os.IBinder;
import android.os.IPermissionController;
+import android.os.IProcessInfoService;
import android.os.IRemoteCallback;
import android.os.IUserManager;
import android.os.Looper;
@@ -1918,6 +1919,7 @@
ServiceManager.addService("cpuinfo", new CpuBinder(this));
}
ServiceManager.addService("permission", new PermissionController(this));
+ ServiceManager.addService("processinfo", new ProcessInfoService(this));
ApplicationInfo info = mContext.getPackageManager().getApplicationInfo(
"android", STOCK_PM_FLAGS);
@@ -6805,7 +6807,46 @@
}
}
}
-
+
+ // =========================================================
+ // PROCESS INFO
+ // =========================================================
+
+ static class ProcessInfoService extends IProcessInfoService.Stub {
+ final ActivityManagerService mActivityManagerService;
+ ProcessInfoService(ActivityManagerService activityManagerService) {
+ mActivityManagerService = activityManagerService;
+ }
+
+ @Override
+ public void getProcessStatesFromPids(/*in*/ int[] pids, /*out*/ int[] states) {
+ mActivityManagerService.getProcessStatesForPIDs(/*in*/ pids, /*out*/ states);
+ }
+ }
+
+ /**
+ * For each PID in the given input array, write the current process state
+ * for that process into the output array, or -1 to indicate that no
+ * process with the given PID exists.
+ */
+ public void getProcessStatesForPIDs(/*in*/ int[] pids, /*out*/ int[] states) {
+ if (pids == null) {
+ throw new NullPointerException("pids");
+ } else if (states == null) {
+ throw new NullPointerException("states");
+ } else if (pids.length != states.length) {
+ throw new IllegalArgumentException("input and output arrays have different lengths!");
+ }
+
+ synchronized (mPidsSelfLocked) {
+ for (int i = 0; i < pids.length; i++) {
+ ProcessRecord pr = mPidsSelfLocked.get(pids[i]);
+ states[i] = (pr == null) ? ActivityManager.PROCESS_STATE_NONEXISTENT :
+ pr.curProcState;
+ }
+ }
+ }
+
// =========================================================
// PERMISSIONS
// =========================================================
