95 lines
2.2 KiB
Go
95 lines
2.2 KiB
Go
/*
|
|
* Copyright (c) 2024 The GoPlus Authors (goplus.org). All rights reserved.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
package syscall
|
|
|
|
// llgo:skipall
|
|
import (
|
|
"unsafe"
|
|
|
|
"github.com/goplus/llgo/c"
|
|
"github.com/goplus/llgo/c/os"
|
|
)
|
|
|
|
func Getcwd(buf []byte) (n int, err error) {
|
|
ptr := unsafe.Pointer(unsafe.SliceData(buf))
|
|
ret := os.Getcwd(ptr, uintptr(len(buf)))
|
|
if ret != nil {
|
|
return int(c.Strlen(ret)), nil
|
|
}
|
|
return 0, Errno(os.Errno)
|
|
}
|
|
|
|
func Getwd() (string, error) {
|
|
wd := os.Getcwd(c.Alloca(os.PATH_MAX), os.PATH_MAX)
|
|
if wd != nil {
|
|
return c.GoString(wd), nil
|
|
}
|
|
return "", Errno(os.Errno)
|
|
}
|
|
|
|
func Getenv(key string) (value string, found bool) {
|
|
ret := os.Getenv(c.AllocaCStr(key))
|
|
if ret != nil {
|
|
return c.GoString(ret), true
|
|
}
|
|
return "", false
|
|
}
|
|
|
|
func Getpid() (pid int) {
|
|
return int(os.Getpid())
|
|
}
|
|
|
|
func Kill(pid int, signum Signal) (err error) {
|
|
ret := os.Kill(c.Int(pid), c.Int(signum))
|
|
if ret == 0 {
|
|
return nil
|
|
}
|
|
return Errno(os.Errno)
|
|
}
|
|
|
|
func Open(path string, mode int, perm uint32) (fd int, err error) {
|
|
ret := os.Open(c.AllocaCStr(path), c.Int(mode), os.ModeT(perm))
|
|
if ret >= 0 {
|
|
return int(ret), nil
|
|
}
|
|
return 0, Errno(os.Errno)
|
|
}
|
|
|
|
func Seek(fd int, offset int64, whence int) (newoffset int64, err error) {
|
|
ret := os.Lseek(c.Int(fd), os.OffT(offset), c.Int(whence))
|
|
if ret >= 0 {
|
|
return int64(ret), nil
|
|
}
|
|
return -1, Errno(os.Errno)
|
|
}
|
|
|
|
func Read(fd int, p []byte) (n int, err error) {
|
|
ret := os.Read(c.Int(fd), unsafe.Pointer(unsafe.SliceData(p)), uintptr(len(p)))
|
|
if ret >= 0 {
|
|
return ret, nil // TODO(xsw): confirm err == nil (not io.EOF) when ret == 0
|
|
}
|
|
return 0, Errno(os.Errno)
|
|
}
|
|
|
|
func Close(fd int) (err error) {
|
|
ret := os.Close(c.Int(fd))
|
|
if ret == 0 {
|
|
return nil
|
|
}
|
|
return Errno(os.Errno)
|
|
}
|