go fd_fsync_posix 源码
golang fd_fsync_posix 代码
文件路径：/src/internal/poll/fd_fsync_posix.go
// 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.
//go:build aix || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris
package poll
import "syscall"
// Fsync wraps syscall.Fsync.
func (fd *FD) Fsync() error {
if err := fd.incref(); err != nil {
return err
}
defer fd.decref()
return ignoringEINTR(func() error {
return syscall.Fsync(fd.Sysfd)
})
}
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