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22 lines
579 B
Go
22 lines
579 B
Go
// Copyright 2018 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 poll
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import "syscall"
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// Fsync invokes SYS_FCNTL with SYS_FULLFSYNC because
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// on OS X, SYS_FSYNC doesn't fully flush contents to disk.
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// See Issue #26650 as well as the man page for fsync on OS X.
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func (fd *FD) Fsync() error {
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if err := fd.incref(); err != nil {
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return err
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}
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defer fd.decref()
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return ignoringEINTR(func() error {
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_, err := fcntl(fd.Sysfd, syscall.F_FULLFSYNC, 0)
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return err
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})
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}
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