X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=doc%2Fexamples%2Fwfstack%2Fcds_wfs_pop_all_blocking.c;h=766f07f1eb09226b1452dd9fc73d65f5f97a601a;hp=52bf0c08106c7861989e2de92ef8c52ccc12c33e;hb=bb641aa3882c0a345c98a75d4784b3b7ee6211ab;hpb=53a7719131ff381866fd414cdeff4ac3dd354927

diff --git a/doc/examples/wfstack/cds_wfs_pop_all_blocking.c b/doc/examples/wfstack/cds_wfs_pop_all_blocking.c
index 52bf0c0..766f07f 100644
--- a/doc/examples/wfstack/cds_wfs_pop_all_blocking.c
+++ b/doc/examples/wfstack/cds_wfs_pop_all_blocking.c
@@ -33,7 +33,7 @@ int main(int argc, char **argv)
 	struct cds_wfs_stack mystack;	/* Stack */
 	unsigned int i;
 	int ret = 0;
-	struct cds_wfs_node *snode;
+	struct cds_wfs_node *snode, *sn;
 	struct cds_wfs_head *shead;
 
 	cds_wfs_init(&mystack);
@@ -63,13 +63,15 @@ int main(int argc, char **argv)
 
 	/*
 	 * Show the stack content, iterate in reverse order of push,
-	 * from newest to oldest.
+	 * from newest to oldest. Use cds_wfs_for_each_blocking_safe()
+	 * so we can free the nodes as we iterate.
 	 */
 	printf("mystack content:");
-	cds_wfs_for_each_blocking(shead, snode) {
+	cds_wfs_for_each_blocking_safe(shead, snode, sn) {
 		struct mynode *node =
 			caa_container_of(snode, struct mynode, node);
 		printf(" %d", node->value);
+		free(node);
 	}
 	printf("\n");
 end: