am 9c8dd55a: Fix bug 1829561 ("am profile" with bad filename kills process).

Merge commit '9c8dd55a9d829c29a3feee9469d8c2f27a9f5516'

* commit '9c8dd55a9d829c29a3feee9469d8c2f27a9f5516':
  Fix bug 1829561 ("am profile" with bad filename kills process).

1 files changed, 15 insertions, 0 deletions

diff --git a/core/java/android/os/Debug.java b/core/java/android/os/Debug.java
index d9612af..b0fc78e 100644
--- a/core/java/android/os/Debug.java
+++ b/core/java/android/os/Debug.java
@@ -21,6 +21,7 @@ import com.android.internal.util.TypedProperties;
 import android.util.Config;
 import android.util.Log;
 
+import java.io.FileDescriptor;
 import java.io.FileNotFoundException;
 import java.io.FileOutputStream;
 import java.io.FileReader;
@@ -378,6 +379,20 @@ href="{@docRoot}guide/developing/tools/traceview.html">Traceview: A Graphical Lo
     }
 
     /**
+     * Like startMethodTracing(String, int, int), but taking an already-opened
+     * FileDescriptor in which the trace is written.  The file name is also
+     * supplied simply for logging.  Makes a dup of the file descriptor.
+     * 
+     * Not exposed in the SDK unless we are really comfortable with supporting
+     * this and find it would be useful.
+     * @hide
+     */
+    public static void startMethodTracing(String traceName, FileDescriptor fd,
+        int bufferSize, int flags) {
+        VMDebug.startMethodTracing(traceName, fd, bufferSize, flags);
+    }
+
+    /**
      * Determine whether method tracing is currently active.
      * @hide
      */