| // 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.. |
| |
| #define _GNU_SOURCE |
| #include <unistd.h> |
| #include <errno.h> |
| #include <sys/prctl.h> |
| #include <sched.h> |
| |
| long u_sysconf_ocall(int *error, int name) |
| { |
| long ret = sysconf(name); |
| if (error) { |
| *error = ret == -1 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_prctl_ocall(int *error, |
| int option, |
| unsigned long arg2, |
| unsigned long arg3, |
| unsigned long arg4, |
| unsigned long arg5) |
| { |
| int ret = prctl(option, arg2, arg3, arg4, arg5); |
| if (error) { |
| *error = ret < 0 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_sched_setaffinity_ocall(int *error, pid_t pid, size_t cpusetsize, cpu_set_t *mask) |
| { |
| int ret = sched_setaffinity(pid, cpusetsize, mask); |
| if (error) { |
| *error = ret < 0 ? errno : 0; |
| } |
| return ret; |
| } |
| |
| int u_sched_getaffinity_ocall(int *error, pid_t pid, size_t cpusetsize, cpu_set_t *mask) |
| { |
| int ret = sched_getaffinity(pid, cpusetsize, mask); |
| if (error) { |
| *error = ret < 0 ? errno : 0; |
| } |
| return ret; |
| } |