X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fstatic%2Fwfstack.h;h=e96c8876a2b916dcd5bde1e1ba2ad3f8b5ff4ec8;hp=261ff2c2a46ab278ee8f1324db1e406e02b4a1ca;hb=200d100e05ed8e10c47f971939042f2406df92ef;hpb=711ff0f91fa2270148ec6b36dadad7fb135ee70b

diff --git a/urcu/static/wfstack.h b/urcu/static/wfstack.h
index 261ff2c..e96c887 100644
--- a/urcu/static/wfstack.h
+++ b/urcu/static/wfstack.h
@@ -77,7 +77,8 @@ void _cds_wfs_node_init(struct cds_wfs_node *node)
 }
 
 /*
- * __cds_wfs_init: initialize wait-free stack.
+ * __cds_wfs_init: initialize wait-free stack. Don't pair with
+ * any destroy function.
  */
 static inline void ___cds_wfs_init(struct __cds_wfs_stack *s)
 {
@@ -85,7 +86,8 @@ static inline void ___cds_wfs_init(struct __cds_wfs_stack *s)
 }
 
 /*
- * cds_wfs_init: initialize wait-free stack.
+ * cds_wfs_init: initialize wait-free stack. Pair with
+ * cds_wfs_destroy().
  */
 static inline
 void _cds_wfs_init(struct cds_wfs_stack *s)
@@ -97,6 +99,17 @@ void _cds_wfs_init(struct cds_wfs_stack *s)
 	assert(!ret);
 }
 
+/*
+ * cds_wfs_destroy: destroy wait-free stack. Pair with
+ * cds_wfs_init().
+ */
+static inline
+void _cds_wfs_destroy(struct cds_wfs_stack *s)
+{
+	int ret = pthread_mutex_destroy(&s->lock);
+	assert(!ret);
+}
+
 static inline bool ___cds_wfs_end(void *node)
 {
 	return node == CDS_WFS_END;
@@ -160,7 +173,7 @@ ___cds_wfs_node_sync_next(struct cds_wfs_node *node, int blocking)
 		if (!blocking)
 			return CDS_WFS_WOULDBLOCK;
 		if (++attempt >= CDS_WFS_ADAPT_ATTEMPTS) {
-			poll(NULL, 0, CDS_WFS_WAIT);	/* Wait for 10ms */
+			(void) poll(NULL, 0, CDS_WFS_WAIT);	/* Wait for 10ms */
 			attempt = 0;
 		} else {
 			caa_cpu_relax();