#include <stdlib.h>
#include <pthread.h>
-#include <compiler.h>
-#include <arch.h>
+#include <urcu/compiler.h>
+#include <urcu/arch.h>
/*
void **q;
};
-extern struct defer_queue __thread defer_queue;
-
-extern void rcu_defer_barrier_thread(void);
-
-/*
- * not signal-safe.
- */
-static inline void _rcu_defer_queue(void (*fct)(void *p), void *p)
-{
- unsigned long head, tail;
-
- /*
- * Head is only modified by ourself. Tail can be modified by reclamation
- * thread.
- */
- head = defer_queue.head;
- tail = LOAD_SHARED(defer_queue.tail);
-
- /*
- * If queue is full, empty it ourself.
- * Worse-case: must allow 2 supplementary entries for fct pointer.
- */
- if (unlikely(head - tail >= DEFER_QUEUE_SIZE - 2)) {
- assert(head - tail <= DEFER_QUEUE_SIZE);
- rcu_defer_barrier_thread();
- assert(head - LOAD_SHARED(defer_queue.tail) == 0);
- }
-
- if (unlikely(defer_queue.last_fct_in != fct)) {
- defer_queue.last_fct_in = fct;
- if (unlikely(DQ_IS_FCT_BIT(fct) || fct == DQ_FCT_MARK)) {
- /*
- * If the function to encode is not aligned or the
- * marker, write DQ_FCT_MARK followed by the function
- * pointer.
- */
- _STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK],
- DQ_FCT_MARK);
- _STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK],
- fct);
- } else {
- DQ_SET_FCT_BIT(fct);
- _STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK],
- fct);
- }
- } else {
- if (unlikely(DQ_IS_FCT_BIT(p) || p == DQ_FCT_MARK)) {
- /*
- * If the data to encode is not aligned or the marker,
- * write DQ_FCT_MARK followed by the function pointer.
- */
- _STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK],
- DQ_FCT_MARK);
- _STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK],
- fct);
- }
- }
- _STORE_SHARED(defer_queue.q[head++ & DEFER_QUEUE_MASK], p);
- smp_wmb(); /* Publish new pointer before head */
- /* Write q[] before head. */
- STORE_SHARED(defer_queue.head, head);
-}
-
#endif /* _URCU_DEFER_STATIC_H */