Add linux/futex.h header

Author: BernardXiong

repo/packages/l/lnx-headers/inc/linux/futex.h

@@ -0,0 +1,20 @@
+#ifndef LINUX_FUTEX_H__
+#define LINUX_FUTEX_H__
+
+
+#define FUTEX_WAIT		0
+#define FUTEX_WAKE		1
+#define FUTEX_FD		2
+#define FUTEX_REQUEUE		3
+#define FUTEX_CMP_REQUEUE	4
+#define FUTEX_WAKE_OP		5
+#define FUTEX_LOCK_PI		6
+#define FUTEX_UNLOCK_PI		7
+#define FUTEX_TRYLOCK_PI	8
+#define FUTEX_WAIT_BITSET	9
+
+#define FUTEX_PRIVATE 128
+
+#define FUTEX_CLOCK_REALTIME 256
+
+#endif