* For details on the use of these macros, see the queue(3) manual page.
*/
+#include "qemu-barrier.h" /* for smp_wmb() */
+
/*
* List definitions.
*/
(elm)->field.le_prev = &(head)->lh_first; \
} while (/*CONSTCOND*/0)
+#define QLIST_INSERT_HEAD_RCU(head, elm, field) do { \
+ (elm)->field.le_prev = &(head)->lh_first; \
+ (elm)->field.le_next = (head)->lh_first; \
+ smp_wmb(); /* fill elm before linking it */ \
+ if ((head)->lh_first != NULL) { \
+ (head)->lh_first->field.le_prev = &(elm)->field.le_next; \
+ } \
+ (head)->lh_first = (elm); \
+ smp_wmb(); \
+} while (/* CONSTCOND*/0)
+
#define QLIST_REMOVE(elm, field) do { \
if ((elm)->field.le_next != NULL) \
(elm)->field.le_next->field.le_prev = \
int qemu_mutex_trylock(QemuMutex *mutex);
void qemu_mutex_unlock(QemuMutex *mutex);
+#define rcu_read_lock() do { } while (0)
+#define rcu_read_unlock() do { } while (0)
+
void qemu_cond_init(QemuCond *cond);
void qemu_cond_destroy(QemuCond *cond);