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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 */
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