66 lines
1.8 KiB
Go
66 lines
1.8 KiB
Go
// Copyright 2011 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package os
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import (
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"errors"
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"syscall"
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)
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// SyscallError records an error from a specific system call.
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type SyscallError struct {
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Syscall string
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Err string
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}
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func (e *SyscallError) Error() string { return e.Syscall + ": " + e.Err }
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// Note: If the name of the function NewSyscallError changes,
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// pkg/go/doc/doc.go should be adjusted since it hardwires
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// this name in a heuristic.
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// NewSyscallError returns, as an error, a new SyscallError
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// with the given system call name and error details.
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// As a convenience, if err is nil, NewSyscallError returns nil.
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func NewSyscallError(syscall string, err syscall.Error) error {
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if err == nil {
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return nil
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}
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return &SyscallError{syscall, err.String()}
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}
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var (
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Eshortstat = errors.New("stat buffer too small")
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Ebadstat = errors.New("malformed stat buffer")
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Ebadfd = errors.New("fd out of range or not open")
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Ebadarg = errors.New("bad arg in system call")
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Enotdir = errors.New("not a directory")
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Enonexist = errors.New("file does not exist")
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Eexist = errors.New("file already exists")
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Eio = errors.New("i/o error")
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Eperm = errors.New("permission denied")
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EINVAL = Ebadarg
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ENOTDIR = Enotdir
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ENOENT = Enonexist
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EEXIST = Eexist
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EIO = Eio
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EACCES = Eperm
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EPERM = Eperm
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EISDIR = syscall.EISDIR
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EBADF = errors.New("bad file descriptor")
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ENAMETOOLONG = errors.New("file name too long")
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ERANGE = errors.New("math result not representable")
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EPIPE = errors.New("Broken Pipe")
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EPLAN9 = errors.New("not supported by plan 9")
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)
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func iserror(err syscall.Error) bool {
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return err != nil
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}
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func Errno(e syscall.Error) syscall.Error { return e }
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