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diff --git a/lib/librte_eal/common/eal_thread.h b/lib/librte_eal/common/eal_thread.h
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+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2014 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 EAL_THREAD_H
+#define EAL_THREAD_H
+
+#include <rte_lcore.h>
+
+/**
+ * basic loop of thread, called for each thread by eal_init().
+ *
+ * @param arg
+ *   opaque pointer
+ */
+__attribute__((noreturn)) void *eal_thread_loop(void *arg);
+
+/**
+ * Init per-lcore info for master thread
+ *
+ * @param lcore_id
+ *   identifier of master lcore
+ */
+void eal_thread_init_master(unsigned lcore_id);
+
+/**
+ * Get the NUMA socket id from cpu id.
+ * This function is private to EAL.
+ *
+ * @param cpu_id
+ *   The logical process id.
+ * @return
+ *   socket_id or SOCKET_ID_ANY
+ */
+unsigned eal_cpu_socket_id(unsigned cpu_id);
+
+/**
+ * Get the NUMA socket id from cpuset.
+ * This function is private to EAL.
+ *
+ * @param cpusetp
+ *   The point to a valid cpu set.
+ * @return
+ *   socket_id or SOCKET_ID_ANY
+ */
+int eal_cpuset_socket_id(rte_cpuset_t *cpusetp);
+
+/**
+ * Default buffer size to use with eal_thread_dump_affinity()
+ */
+#define RTE_CPU_AFFINITY_STR_LEN            256
+
+/**
+ * Dump the current pthread cpuset.
+ * This function is private to EAL.
+ *
+ * Note:
+ *   If the dump size is greater than the size of given buffer,
+ *   the string will be truncated and with '\0' at the end.
+ *
+ * @param str
+ *   The string buffer the cpuset will dump to.
+ * @param size
+ *   The string buffer size.
+ * @return
+ *   0 for success, -1 if truncation happens.
+ */
+int
+eal_thread_dump_affinity(char *str, unsigned size);
+
+#endif /* EAL_THREAD_H */