fix: handle EINTR correctly in get_cpu_mask_from_sysfs

[urcu.git] / doc / examples / urcu-flavors / mb.c

diff --git a/doc/examples/urcu-flavors/mb.c b/doc/examples/urcu-flavors/mb.c
index 62ad54bb7ff00309f7de7572116de1222bd8b7ee..7069c248fef60a538d6f3623ccc87771e8d34d1a 100644 (file)
--- a/doc/examples/urcu-flavors/mb.c
+++ b/doc/examples/urcu-flavors/mb.c
@@ -1,20 +1,6 @@
-/*
- * Copyright (C) 2013  Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- */
+// SPDX-FileCopyrightText: 2013 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+//
+// SPDX-License-Identifier: LGPL-2.1-or-later
 
 #include <unistd.h>
 #include <stdlib.h>
@@ -22,8 +8,7 @@
 #include <stdint.h>
 #include <inttypes.h>
 
-#define RCU_MB                 /* Memory barrier RCU flavor */
-#include <urcu.h>
+#include <urcu/urcu-mb.h>      /* Memory barrier RCU flavor */
 #include <urcu/rculist.h>      /* List example */
 #include <urcu/compiler.h>     /* For CAA_ARRAY_SIZE */
 
@@ -48,7 +33,7 @@ int add_node(uint64_t v)
 {
        struct mynode *node;
 
-       node = calloc(sizeof(*node), 1);
+       node = calloc(1, sizeof(*node));
        if (!node)
                return -1;
        node->value = v;
@@ -64,7 +49,7 @@ void rcu_free_node(struct rcu_head *rh)
        free(node);
 }
 
-int main(int argc, char **argv)
+int main(void)
 {
        uint64_t values[] = { 42, 36, 24, };
        unsigned int i;
@@ -75,7 +60,7 @@ int main(int argc, char **argv)
         * Each thread need using RCU read-side need to be explicitly
         * registered.
         */
-       rcu_register_thread();
+       urcu_mb_register_thread();
 
        /*
         * Adding nodes to the linked-list. Safe against concurrent
@@ -92,7 +77,7 @@ int main(int argc, char **argv)
         * with rcu_read_lock() and rcu_read_unlock(). They can be
         * nested. Those are no-ops for the QSBR flavor.
         */
-       rcu_read_lock();
+       urcu_mb_read_lock();
 
        /*
         * RCU traversal of the linked list.
@@ -100,7 +85,7 @@ int main(int argc, char **argv)
        cds_list_for_each_entry_rcu(node, &mylist, node) {
                printf("Value: %" PRIu64 "\n", node->value);
        }
-       rcu_read_unlock();
+       urcu_mb_read_unlock();
 
        /*
         * Removing nodes from linked list. Safe against concurrent RCU
@@ -114,7 +99,7 @@ int main(int argc, char **argv)
                 * call_rcu() can be called from RCU read-side critical
                 * sections.
                 */
-               call_rcu(&node->rcu_head, rcu_free_node);
+               urcu_mb_call_rcu(&node->rcu_head, rcu_free_node);
        }
 
        /*
@@ -124,7 +109,7 @@ int main(int argc, char **argv)
         * batch work. Moreover, call_rcu() can be called from a RCU
         * read-side critical section, but synchronize_rcu() should not.
         */
-       synchronize_rcu();
+       urcu_mb_synchronize_rcu();
 
        sleep(1);
 
@@ -133,9 +118,9 @@ int main(int argc, char **argv)
         * before program exits, or in library destructors, is a good
         * practice.
         */
-       rcu_barrier();
+       urcu_mb_barrier();
 
 end:
-       rcu_unregister_thread();
+       urcu_mb_unregister_thread();
        return ret;
 }