X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_eal%2Fcommon%2Feal_thread.h;h=b40ed249edabdb4827b3c339883f5d7619190a33;hb=185b7dc1d467a9c9b107450558b460e59596adef;hp=d029ad3c8e2f54330ba0d22029bd25195e4458b1;hpb=8828a3210c5978bbe3b9b426bc31be8f420bd15a;p=dpdk.git diff --git a/lib/librte_eal/common/eal_thread.h b/lib/librte_eal/common/eal_thread.h index d029ad3c8e..b40ed249ed 100644 --- a/lib/librte_eal/common/eal_thread.h +++ b/lib/librte_eal/common/eal_thread.h @@ -1,38 +1,11 @@ -/*- - * 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. +/* SPDX-License-Identifier: BSD-3-Clause + * Copyright(c) 2010-2014 Intel Corporation */ -#ifndef _EAL_LINUXAPP_THREAD_H_ -#define _EAL_LINUXAPP_THREAD_H_ +#ifndef EAL_THREAD_H +#define EAL_THREAD_H + +#include /** * basic loop of thread, called for each thread by eal_init(). @@ -40,7 +13,7 @@ * @param arg * opaque pointer */ -__attribute__((noreturn)) void *eal_thread_loop(void *arg); +__rte_noreturn void *eal_thread_loop(void *arg); /** * Init per-lcore info for master thread @@ -50,4 +23,38 @@ __attribute__((noreturn)) void *eal_thread_loop(void *arg); */ void eal_thread_init_master(unsigned lcore_id); -#endif /* _EAL_LINUXAPP_PRIVATE_H_ */ +/** + * 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); + +/** + * 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 */