1 files changed, 63 insertions, 1 deletions
diff --git a/services/java/com/android/server/am/ActivityManagerService.java b/services/java/com/android/server/am/ActivityManagerService.java
index 93122c4..58aab08 100644
--- a/services/java/com/android/server/am/ActivityManagerService.java
+++ b/services/java/com/android/server/am/ActivityManagerService.java
@@ -11562,7 +11562,69 @@ public final class ActivityManagerService extends ActivityManagerNative implemen
             }
         }
     }
-    
+
+    public boolean dumpHeap(String process, boolean managed,
+            String path, ParcelFileDescriptor fd) throws RemoteException {
+
+        try {
+            synchronized (this) {
+                // note: hijacking SET_ACTIVITY_WATCHER, but should be changed to
+                // its own permission (same as profileControl).
+                if (checkCallingPermission(android.Manifest.permission.SET_ACTIVITY_WATCHER)
+                        != PackageManager.PERMISSION_GRANTED) {
+                    throw new SecurityException("Requires permission "
+                            + android.Manifest.permission.SET_ACTIVITY_WATCHER);
+                }
+
+                if (fd == null) {
+                    throw new IllegalArgumentException("null fd");
+                }
+
+                ProcessRecord proc = null;
+                try {
+                    int pid = Integer.parseInt(process);
+                    synchronized (mPidsSelfLocked) {
+                        proc = mPidsSelfLocked.get(pid);
+                    }
+                } catch (NumberFormatException e) {
+                }
+
+                if (proc == null) {
+                    HashMap<String, SparseArray<ProcessRecord>> all
+                            = mProcessNames.getMap();
+                    SparseArray<ProcessRecord> procs = all.get(process);
+                    if (procs != null && procs.size() > 0) {
+                        proc = procs.valueAt(0);
+                    }
+                }
+
+                if (proc == null || proc.thread == null) {
+                    throw new IllegalArgumentException("Unknown process: " + process);
+                }
+
+                boolean isSecure = "1".equals(SystemProperties.get(SYSTEM_SECURE, "0"));
+                if (isSecure) {
+                    if ((proc.info.flags&ApplicationInfo.FLAG_DEBUGGABLE) == 0) {
+                        throw new SecurityException("Process not debuggable: " + proc);
+                    }
+                }
+
+                proc.thread.dumpHeap(managed, path, fd);
+                fd = null;
+                return true;
+            }
+        } catch (RemoteException e) {
+            throw new IllegalStateException("Process disappeared");
+        } finally {
+            if (fd != null) {
+                try {
+                    fd.close();
+                } catch (IOException e) {
+                }
+            }
+        }
+    }
+
     /** In this method we try to acquire our lock to make sure that we have not deadlocked */
     public void monitor() {
         synchronized (this) { }