gcc/libgo/go/internal/poll/fd_posix.go
Ian Lance Taylor 27d6b51071 libgo: add hurd build tags
Patch by Svante Signell.
    
    Reviewed-on: https://go-review.googlesource.com/c/160822

From-SVN: r268459
2019-02-01 21:57:36 +00:00

49 lines
1.1 KiB
Go

// Copyright 2009 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.
// +build aix darwin dragonfly freebsd hurd js,wasm linux nacl netbsd openbsd solaris windows
package poll
import (
"io"
"syscall"
)
// eofError returns io.EOF when fd is available for reading end of
// file.
func (fd *FD) eofError(n int, err error) error {
if n == 0 && err == nil && fd.ZeroReadIsEOF {
return io.EOF
}
return err
}
// Fchmod wraps syscall.Fchmod.
func (fd *FD) Fchmod(mode uint32) error {
if err := fd.incref(); err != nil {
return err
}
defer fd.decref()
return syscall.Fchmod(fd.Sysfd, mode)
}
// Fchown wraps syscall.Fchown.
func (fd *FD) Fchown(uid, gid int) error {
if err := fd.incref(); err != nil {
return err
}
defer fd.decref()
return syscall.Fchown(fd.Sysfd, uid, gid)
}
// Ftruncate wraps syscall.Ftruncate.
func (fd *FD) Ftruncate(size int64) error {
if err := fd.incref(); err != nil {
return err
}
defer fd.decref()
return syscall.Ftruncate(fd.Sysfd, size)
}