text: /*-
   * See the file LICENSE for redistribution information.
   *
   * Copyright (c) 1997,2008 Oracle.  All rights reserved.
   *
   * $Id: os_fsync.c 63573 2008-05-23 21:43:21Z trent.nelson $
   */
  
  #include "db_config.h"
  
  #include "db_int.h"
  
  /*
   * __os_fsync --
   *	Flush a file descriptor.
   */
  int
  __os_fsync(env, fhp)
  	ENV *env;
  	DB_FH *fhp;
  {
  	DB_ENV *dbenv;
  	int ret;
  
  	dbenv = env == NULL ? NULL : env->dbenv;
  
  	/*
  	 * Do nothing if the file descriptor has been marked as not requiring
  	 * any sync to disk.
  	 */
  	if (F_ISSET(fhp, DB_FH_NOSYNC))
  		return (0);
  
  	if (dbenv != NULL && FLD_ISSET(dbenv->verbose, DB_VERB_FILEOPS_ALL))
  		__db_msg(env, "fileops: flush %s", fhp->name);
  
  	RETRY_CHK((!FlushFileBuffers(fhp->handle)), ret);
  	if (ret != 0) {
  		__db_syserr(env, ret, "FlushFileBuffers");
  		ret = __os_posix_err(ret);
  	}
  	return (ret);
  }
  