/* * * Copyright 2015 gRPC authors. * * Licensed 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. * */ #ifndef GRPC_SUPPORT_CPU_H #define GRPC_SUPPORT_CPU_H #include <grpc/support/port_platform.h> #ifdef __cplusplus extern "C" { #endif /** Interface providing CPU information for currently running system */ /** Return the number of CPU cores on the current system. Will return 0 if the information is not available. */ GPRAPI unsigned gpr_cpu_num_cores(void); /** Return the CPU on which the current thread is executing; N.B. This should be considered advisory only - it is possible that the thread is switched to a different CPU at any time. Returns a value in range [0, gpr_cpu_num_cores() - 1] */ GPRAPI unsigned gpr_cpu_current_cpu(void); #ifdef __cplusplus } // extern "C" #endif #endif /* GRPC_SUPPORT_CPU_H */