Add futimens.

Bug: 10239370
Change-Id: I518340084103dc339ef8a065d4837d6258a1381d

libc/Android.mk

@@ -190,6 +190,7 @@ libc_bionic_src_files := \
     bionic/eventfd_read.cpp \
     bionic/eventfd_write.cpp \
     bionic/__fgets_chk.cpp \
+    bionic/futimens.cpp \
     bionic/getauxval.cpp \
     bionic/getcwd.cpp \
     bionic/libc_init_common.cpp \

libc/bionic/futimens.cpp

@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <errno.h>
+#include <sys/stat.h>
+
+int futimens(int fd, const struct timespec times[2]) {
+  return utimensat(fd, NULL, times, 0);
+}

libc/include/sys/stat.h

@@ -168,7 +168,8 @@ extern int renameat(int olddirfd, const char *oldpath, int newdirfd, const char
 
 # define UTIME_NOW      ((1l << 30) - 1l)
 # define UTIME_OMIT     ((1l << 30) - 2l)
-extern int utimensat (int fd, const char *path, const struct timespec times[2], int flags);
+extern int utimensat(int fd, const char *path, const struct timespec times[2], int flags);
+extern int futimens(int fd, const struct timespec times[2]);
 
 __END_DECLS