mirror of https://github.com/hslam/shm.git
52 lines
1.1 KiB
Go
52 lines
1.1 KiB
Go
// Copyright (c) 2020 Meng Huang (mhboy@outlook.com)
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// This package is licensed under a MIT license that can be found in the LICENSE file.
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// +build windows
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package shm
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import (
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"errors"
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"os"
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"syscall"
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)
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// Open returns the fd.
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func Open(name string, oflag int, perm int) (int, error) {
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file, err := os.OpenFile(name, oflag, os.FileMode(perm))
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if err != nil {
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return 0, err
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}
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return int(file.Fd()), nil
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}
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// Unlink unlinks the name.
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func Unlink(name string) error {
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return os.Remove(name)
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}
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// GetAt calls the shmget and shmat system call.
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func GetAt(key int, size int, shmFlg int) (int, []byte, error) {
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return 0, nil, errors.New("not supported")
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}
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// Dt calls the shmdt system call.
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func Dt(b []byte) error {
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return errors.New("not supported")
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}
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// Remove removes the shm with the given id.
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func Remove(shmid int) error {
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return errors.New("not supported")
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}
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// Ftruncate changes the file size of the fd.
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func Ftruncate(fd int, length int64) (err error) {
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return syscall.Ftruncate(syscall.Handle(fd), length)
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}
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// Close closes the fd.
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func Close(fd int) (err error) {
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return syscall.Close(syscall.Handle(fd))
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}
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