X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;ds=sidebyside;f=doc%2Fexamples%2Fwfstack%2Fcds_wfs_pop_all_blocking.c;h=a9cc4ca01cabe83c352b5ab00dc42d2cda35715a;hb=HEAD;hp=52bf0c08106c7861989e2de92ef8c52ccc12c33e;hpb=53a7719131ff381866fd414cdeff4ac3dd354927;p=urcu.git

diff --git a/doc/examples/wfstack/cds_wfs_pop_all_blocking.c b/doc/examples/wfstack/cds_wfs_pop_all_blocking.c
index 52bf0c0..a9cc4ca 100644
--- a/doc/examples/wfstack/cds_wfs_pop_all_blocking.c
+++ b/doc/examples/wfstack/cds_wfs_pop_all_blocking.c
@@ -1,15 +1,8 @@
+// SPDX-FileCopyrightText: 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+//
+// SPDX-License-Identifier: MIT
+
 /*
- * Copyright (C) 2013  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
- * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
- *
- * Permission is hereby granted to use or copy this program for any
- * purpose,  provided the above notices are retained on all copies.
- * Permission to modify the code and to distribute modified code is
- * granted, provided the above notices are retained, and a notice that
- * the code was modified is included with the above copyright notice.
- *
  * This example shows how to pop all nodes from a wfstack.
  */
 
@@ -27,13 +20,13 @@ struct mynode {
 	struct cds_wfs_node node;	/* Chaining in stack */
 };
 
-int main(int argc, char **argv)
+int main(void)
 {
 	int values[] = { -5, 42, 36, 24, };
 	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);
@@ -63,15 +56,18 @@ 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:
+	cds_wfs_destroy(&mystack);
 	return ret;
 }