1 files changed, 47 insertions, 0 deletions
diff --git a/luni/src/main/java/android/system/StructFlock.java b/luni/src/main/java/android/system/StructFlock.java
new file mode 100644
index 0000000..92cd95a
--- /dev/null
+++ b/luni/src/main/java/android/system/StructFlock.java
@@ -0,0 +1,47 @@
+/*
+ * Copyright (C) 2011 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.system;
+
+import libcore.util.Objects;
+
+/**
+ * Information returned/taken by fcntl(2) F_GETFL and F_SETFL. Corresponds to C's
+ * {@code struct flock} from
+ * <a href="http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/fcntl.h.html">&lt;fcntl.h&gt;</a>
+ *
+ * @hide
+ */
+public final class StructFlock {
+  /** The operation type, one of F_RDLCK, F_WRLCK, or F_UNLCK. */
+  public short l_type;
+
+  /** How to interpret l_start, one of SEEK_CUR, SEEK_END, SEEK_SET. */
+  public short l_whence;
+
+  /** Start offset. */
+  public long l_start; /*off_t*/
+
+  /** Byte count to operate on. */
+  public long l_len; /*off_t*/
+
+  /** Process blocking our lock (filled in by F_GETLK, otherwise unused). */
+  public int l_pid; /*pid_t*/
+
+  @Override public String toString() {
+    return Objects.toString(this);
+  }
+}