gitee.com/ks-custle/core-gm@v0.0.0-20230922171213-b83bdd97b62c/internal/poll/fd_fsync_posix.go (about)

     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
     6  // +build aix dragonfly freebsd js,wasm linux netbsd openbsd solaris
     7  
     8  package poll
     9  
    10  import "syscall"
    11  
    12  // Fsync wraps syscall.Fsync.
    13  func (fd *FD) Fsync() error {
    14  	if err := fd.incref(); err != nil {
    15  		return err
    16  	}
    17  	defer fd.decref()
    18  	return ignoringEINTR(func() error {
    19  		return syscall.Fsync(fd.Sysfd)
    20  	})
    21  }