fd_fsync_posix.mx raw

   1  // Copyright 2018 The Go Authors. All rights reserved.
   2  // Use of this source code is governed by a BSD-style
   3  // license that can be found in the LICENSE file.
   4  
   5  //go:build aix || dragonfly || freebsd || (js && wasm) || linux || netbsd || openbsd || solaris || wasip1
   6  
   7  package poll
   8  
   9  import "syscall"
  10  
  11  // Fsync wraps syscall.Fsync.
  12  func (fd *FD) Fsync() error {
  13  	if err := fd.incref(); err != nil {
  14  		return err
  15  	}
  16  	defer fd.decref()
  17  	return ignoringEINTR(func() error {
  18  		return syscall.Fsync(fd.Sysfd)
  19  	})
  20  }
  21