[MIPS] Add Support timer_create.

Signals needed to be mapped.

Change-Id: Id0748924f16ac6787b87062d774e837a14d1233c
Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Pete Delaney  <piet@mips.com>
diff --git a/ndk/sources/android/libportable/Android.mk b/ndk/sources/android/libportable/Android.mk
index 70b45a4..aa8a5e2 100644
--- a/ndk/sources/android/libportable/Android.mk
+++ b/ndk/sources/android/libportable/Android.mk
@@ -42,7 +42,8 @@
 			arch-mips/socket.c \
 			arch-mips/sockopt.c \
 			arch-mips/stat.c \
-			arch-mips/statfs.c
+			arch-mips/statfs.c \
+			arch-mips/timer.c
 endif
 
 ifeq ($(TARGET_ARCH),arm)
diff --git a/ndk/sources/android/libportable/arch-mips/timer.c b/ndk/sources/android/libportable/arch-mips/timer.c
new file mode 100644
index 0000000..da30927
--- /dev/null
+++ b/ndk/sources/android/libportable/arch-mips/timer.c
@@ -0,0 +1,36 @@
+/*
+ * Copyright 2012, 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.
+ */
+
+#include <signal.h>
+#include <signal_portable.h>
+#include <time.h>
+
+#include <portability.h>
+
+int timer_create_portable(clockid_t clockid, struct sigevent *portable_evp,
+                          timer_t *timerid)
+{
+    struct sigevent native_sigevent, *evp = portable_evp;
+
+    if (!invalid_pointer(portable_evp) &&
+        (evp->sigev_notify == SIGEV_SIGNAL ||
+         evp->sigev_notify == SIGEV_THREAD_ID)) {
+        native_sigevent = *portable_evp;
+        evp = &native_sigevent;
+        evp->sigev_signo = map_portable_signum_to_mips(evp->sigev_signo);
+    }
+    return timer_create(clockid, evp, timerid);
+}