Linux sandbox: whitelist allowed Futex operations.

sandbox/linux/services/android_futex.h

Index: sandbox/linux/services/android_futex.h
diff --git a/sandbox/linux/services/android_futex.h b/sandbox/linux/services/android_futex.h
index 032b02481a14600ba4833a791a72233acebf99a1..a2be6614ff3c6c6c04e2a6b6caa10b829505d26e 100644
--- a/sandbox/linux/services/android_futex.h
+++ b/sandbox/linux/services/android_futex.h
@@ -5,20 +5,64 @@
 #ifndef SANDBOX_LINUX_SERVICES_ANDROID_FUTEX_H_
 #define SANDBOX_LINUX_SERVICES_ANDROID_FUTEX_H_
 
-#if !defined(FUTEX_PRIVATE_FLAG)
-#define FUTEX_PRIVATE_FLAG 128
+#if !defined(FUTEX_WAIT)
+#define FUTEX_WAIT 0
 #endif
 
-#if !defined(FUTEX_CLOCK_REALTIME)
-#define FUTEX_CLOCK_REALTIME 256
+#if !defined(FUTEX_WAKE)
+#define FUTEX_WAKE 1
+#endif
+
+#if !defined(FUTEX_FD)
+#define FUTEX_FD 2
+#endif
+
+#if !defined(FUTEX_REQUEUE)
+#define FUTEX_REQUEUE 3
+#endif
+
+#if !defined(FUTEX_CMP_REQUEUE)
+#define FUTEX_CMP_REQUEUE 4
+#endif
+
+#if !defined(FUTEX_WAKE_OP)
+#define FUTEX_WAKE_OP 5
+#endif
+
+#if !defined(FUTEX_LOCK_PI)
+#define FUTEX_LOCK_PI 6
+#endif
+
+#if !defined(FUTEX_UNLOCK_PI)
+#define FUTEX_UNLOCK_PI 7
+#endif
+
+#if !defined(FUTEX_TRYLOCK_PI)
+#define FUTEX_TRYLOCK_PI 8
+#endif
+
+#if !defined(FUTEX_WAIT_BITSET)
+#define FUTEX_WAIT_BITSET 9
+#endif
+
+#if !defined(FUTEX_WAKE_BITSET)
+#define FUTEX_WAKE_BITSET 10
+#endif
+
+#if !defined(FUTEX_WAIT_REQUEUE_PI)
+#define FUTEX_WAIT_REQUEUE_PI 11
 #endif
 
 #if !defined(FUTEX_CMP_REQUEUE_PI)
 #define FUTEX_CMP_REQUEUE_PI 12
 #endif
 
-#if !defined(FUTEX_CMP_REQUEUE_PI_PRIVATE)
-#define FUTEX_CMP_REQUEUE_PI_PRIVATE (FUTEX_CMP_REQUEUE_PI | FUTEX_PRIVATE_FLAG)
+#if !defined(FUTEX_PRIVATE_FLAG)
+#define FUTEX_PRIVATE_FLAG 128
+#endif
+
+#if !defined FUTEX_CLOCK_REALTIME
+#define FUTEX_CLOCK_REALTIME 256
 #endif
 
 #if !defined(FUTEX_CMD_MASK)