Instructions for the fs.fsyncSync method in node.js

method description:

Synchronous version of fsync(). Synchronize the disk cache.

syntax:

fs.fsyncSync(fd)

Since this method belongs to the fs module, it is necessary to introduce the fs module (var fs= require(" fs "))

before using it

receive parameters:

fd         file descriptor.

Example:

var fs = require('fs');

fs.open('content.txt', 'a', function(err,fd){

 if(err){

  throw err;

 }

 console.log('file open');

 

 fs.fsyncSync(fd);

 

 fs.close(fd,function(err){

  if(err){

   throw err;

  }

  console.log('file closed');

 })

})

source code:

fs.fsyncSync = function(fd) {

  return binding.fsync(fd);

};