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errno.go
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errno.go
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package syscall
// Most code here has been copied from the Go sources:
// https://github.com/golang/go/blob/go1.12/src/syscall/syscall_js.go
// It has the following copyright note:
//
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// An Errno is an unsigned number describing an error condition.
// It implements the error interface. The zero Errno is by convention
// a non-error, so code to convert from Errno to error should use:
// err = nil
// if errno != 0 {
// err = errno
// }
type Errno uintptr
func (e Errno) Error() string {
return "errno " + itoa(int(e))
}
func (e Errno) Temporary() bool {
return e == EINTR || e == EMFILE || e.Timeout()
}
func (e Errno) Timeout() bool {
return e == EAGAIN || e == EWOULDBLOCK || e == ETIMEDOUT
}