first public release

[dpdk.git] / app / chkincs / test_atomic.c

diff --git a/app/chkincs/test_atomic.c b/app/chkincs/test_atomic.c
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+++ b/app/chkincs/test_atomic.c
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+/*-
+ *   BSD LICENSE
+ * 
+ *   Copyright(c) 2010-2012 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ * 
+ *   Redistribution and use in source and binary forms, with or without 
+ *   modification, are permitted provided that the following conditions 
+ *   are met:
+ * 
+ *     * Redistributions of source code must retain the above copyright 
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright 
+ *       notice, this list of conditions and the following disclaimer in 
+ *       the documentation and/or other materials provided with the 
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its 
+ *       contributors may be used to endorse or promote products derived 
+ *       from this software without specific prior written permission.
+ * 
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * 
+ *  version: DPDK.L.1.2.3-3
+ */
+
+#include <rte_atomic.h>
+
+#include "test.h"
+
+/*
+ *      ^
+ *     / \
+ *    / | \     WARNING: this test program does *not* show how to use the
+ *   /  .  \    API. Its only goal is to check dependencies of include files.
+ *  /_______\
+ */
+
+int
+test_atomic(void)
+{
+       rte_atomic16_t a16 = RTE_ATOMIC16_INIT(1);
+       rte_atomic32_t a32 = RTE_ATOMIC32_INIT(1);
+       rte_atomic64_t a64 = RTE_ATOMIC64_INIT(1);
+       int x;
+
+       rte_mb();
+       rte_wmb();
+       rte_rmb();
+
+       rte_atomic16_init(&a16);
+       rte_atomic16_set(&a16, 1);
+       x = rte_atomic16_read(&a16);
+       rte_atomic16_inc(&a16);
+       rte_atomic16_dec(&a16);
+       rte_atomic16_add(&a16, 5);
+       rte_atomic16_sub(&a16, 5);
+       x = rte_atomic16_test_and_set(&a16);
+       x = rte_atomic16_add_return(&a16, 10);
+
+       rte_atomic32_init(&a32);
+       rte_atomic32_set(&a32, 1);
+       x = rte_atomic32_read(&a32);
+       rte_atomic32_inc(&a32);
+       rte_atomic32_dec(&a32);
+       rte_atomic32_add(&a32, 5);
+       rte_atomic32_sub(&a32, 5);
+       x = rte_atomic32_test_and_set(&a32);
+       x = rte_atomic32_add_return(&a32, 10);
+
+       rte_atomic64_init(&a64);
+       rte_atomic64_set(&a64, 1);
+       x = rte_atomic64_read(&a64);
+       rte_atomic64_inc(&a64);
+       rte_atomic64_dec(&a64);
+       rte_atomic64_add(&a64, 5);
+       rte_atomic64_sub(&a64, 5);
+       x = rte_atomic64_test_and_set(&a64);
+       x = rte_atomic64_add_return(&a64, 10);
+       (void)x;
+
+       return 1;
+}
+