#define FUTEX_LOCK_PI 6
#define FUTEX_UNLOCK_PI 7
#define FUTEX_TRYLOCK_PI 8
+#define FUTEX_CMP_REQUEUE_PI 9
/*
* Support for robust futexes: the kernel cleans up held futexes at
*/
#define FUTEX_OWNER_DIED 0x40000000
+/*
+ * Some processes have been requeued on this PI-futex
+ */
+#define FUTEX_WAITER_REQUEUED 0x20000000
+
/*
* The rest of the robust-futex field is for the TID:
*/
-#define FUTEX_TID_MASK 0x3fffffff
+#define FUTEX_TID_MASK 0x0fffffff
/*
* This limit protects against a deliberately circular list.
* We set bit 0 to indicate if it's an inode-based key.
*/
union futex_key {
+ u32 __user *uaddr;
struct {
unsigned long pgoff;
struct inode *inode;