* cds_wfcq_init().
*/
static inline void _cds_wfcq_destroy(struct cds_wfcq_head *head,
- struct cds_wfcq_tail *tail)
+ struct cds_wfcq_tail *tail __attribute__((unused)))
{
int ret = pthread_mutex_destroy(&head->lock);
assert(!ret);
}
static inline void _cds_wfcq_dequeue_lock(struct cds_wfcq_head *head,
- struct cds_wfcq_tail *tail)
+ struct cds_wfcq_tail *tail __attribute__((unused)))
{
int ret;
}
static inline void _cds_wfcq_dequeue_unlock(struct cds_wfcq_head *head,
- struct cds_wfcq_tail *tail)
+ struct cds_wfcq_tail *tail __attribute__((unused)))
{
int ret;
return ___cds_wfcq_append(head, tail, new_tail, new_tail);
}
+/*
+ * CDS_WFCQ_WAIT_SLEEP:
+ *
+ * By default, this sleeps for the given @msec milliseconds.
+ * This is a macro which LGPL users may #define themselves before
+ * including wfcqueue.h to override the default behavior (e.g.
+ * to log a warning or perform other background work).
+ */
+#ifndef CDS_WFCQ_WAIT_SLEEP
+#define CDS_WFCQ_WAIT_SLEEP(msec) ___cds_wfcq_wait_sleep(msec)
+#endif
+
+static inline void ___cds_wfcq_wait_sleep(int msec)
+{
+ (void) poll(NULL, 0, msec);
+}
+
/*
* ___cds_wfcq_busy_wait: adaptative busy-wait.
*
if (!blocking)
return 1;
if (++(*attempt) >= WFCQ_ADAPT_ATTEMPTS) {
- (void) poll(NULL, 0, WFCQ_WAIT); /* Wait for 10ms */
+ CDS_WFCQ_WAIT_SLEEP(WFCQ_WAIT); /* Wait for 10ms */
*attempt = 0;
} else {
caa_cpu_relax();
}
static inline struct cds_wfcq_node *
-___cds_wfcq_next(cds_wfcq_head_ptr_t head,
+___cds_wfcq_next(cds_wfcq_head_ptr_t head __attribute__((unused)),
struct cds_wfcq_tail *tail,
struct cds_wfcq_node *node,
int blocking)