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Diffstat (limited to 'app/chkincs/test_atomic.c')
| -rw-r--r-- | app/chkincs/test_atomic.c | 93 |
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; +} + |