Source file src/internal/poll/fd_fsync_posix.go

     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  

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