diff options
Diffstat (limited to 'libgo/go/internal/poll/fd_posix.go')
-rw-r--r-- | libgo/go/internal/poll/fd_posix.go | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/libgo/go/internal/poll/fd_posix.go b/libgo/go/internal/poll/fd_posix.go new file mode 100644 index 00000000000..e0e634cdb29 --- /dev/null +++ b/libgo/go/internal/poll/fd_posix.go @@ -0,0 +1,57 @@ +// 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 darwin dragonfly freebsd 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) +} + +// Fsync wraps syscall.Fsync. +func (fd *FD) Fsync() error { + if err := fd.incref(); err != nil { + return err + } + defer fd.decref() + return syscall.Fsync(fd.Sysfd) +} |