summaryrefslogtreecommitdiff
path: root/app/chkincs/test_atomic.c
diff options
context:
space:
mode:
Diffstat (limited to 'app/chkincs/test_atomic.c')
-rw-r--r--app/chkincs/test_atomic.c93
1 files changed, 93 insertions, 0 deletions
diff --git a/app/chkincs/test_atomic.c b/app/chkincs/test_atomic.c
new file mode 100644
index 0000000..f490639
--- /dev/null
+++ b/app/chkincs/test_atomic.c
@@ -0,0 +1,93 @@
+/*-
+ * 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;
+}
+