/**************************************************************************** * libs/libc/misc/lib_getnprocs.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include /**************************************************************************** * Public Functions ****************************************************************************/ /**************************************************************************** * Name: get_nprocs_conf * * Description: * Retrieve the number of configured processors in the system. * The get_nprocs_conf() function returns the number of processors (CPUs) * configured in the system, regardless of whether they are currently * enabled or available. This function is useful for determining the * processor configuration in multiprocessor systems. * * Input Parameters: * None * * Returned Value: * On success, the number of configured processors is returned. * If the system does not define a processor configuration, it returns 1. * ****************************************************************************/ int get_nprocs_conf(void) { return CONFIG_SMP_NCPUS; } /**************************************************************************** * Name: get_nprocs * * Description: * Retrieve the number of online processors in the system. * The get_nprocs() function returns the number of processors (CPUs) that * are currently online and available for use in the system. This function * can be useful for determining the number of processors that can be used * by applications or the operating system for parallel processing. * * Input Parameters: * None * * Returned Value: * On success, the number of online processors is returned. * If the system does not define a processor configuration, it returns 1. * ****************************************************************************/ int get_nprocs(void) { return CONFIG_SMP_NCPUS; }