| // Copyright 2019 The LUCI 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. |
| |
| //go:build !windows |
| // +build !windows |
| |
| package filesystem |
| |
| import ( |
| "os" |
| "syscall" |
| |
| "golang.org/x/sys/unix" |
| ) |
| |
| func umask(mask int) int { |
| return syscall.Umask(mask) |
| } |
| |
| func addReadMode(mode os.FileMode) os.FileMode { |
| return mode | syscall.S_IRUSR | syscall.S_IRGRP | syscall.S_IROTH |
| } |
| |
| func getFreeSpace(path string) (uint64, error) { |
| var statfs unix.Statfs_t |
| if err := unix.Statfs(path, &statfs); err != nil { |
| return 0, err |
| } |
| return statfs.Bavail * uint64(statfs.Bsize), nil |
| } |