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Diffstat (limited to 'examples/performance-thread/common/lthread_mutex.h')
-rw-r--r-- | examples/performance-thread/common/lthread_mutex.h | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/examples/performance-thread/common/lthread_mutex.h b/examples/performance-thread/common/lthread_mutex.h new file mode 100644 index 00000000..4d30b2e7 --- /dev/null +++ b/examples/performance-thread/common/lthread_mutex.h @@ -0,0 +1,52 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2015 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. + */ + + +#ifndef LTHREAD_MUTEX_H_ +#define LTHREAD_MUTEX_H_ + +#include "lthread_queue.h" + + +#define MAX_MUTEX_NAME_SIZE 64 + +struct lthread_mutex { + struct lthread *owner; + rte_atomic64_t count; + struct lthread_queue *blocked __rte_cache_aligned; + struct lthread_sched *root_sched; + char name[MAX_MUTEX_NAME_SIZE]; + uint64_t diag_ref; /* optional ref to user diag data */ +} __rte_cache_aligned; + +#endif /* LTHREAD_MUTEX_H_ */ |