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Clarify comment and use qualified import for the flag

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This commit is contained in:
Laurentiu Nicola
2017-03-20 23:12:48 +02:00
parent ebcea0128c
commit 1e0ac31e11
1 changed files with 5 additions and 8 deletions
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13
src/directory/mmap_directory.rs
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@@ -23,11 +23,6 @@ use std::sync::RwLock;
use std::sync::Weak;
use tempdir::TempDir;
#[cfg(windows)]
use winapi::winbase::FILE_FLAG_BACKUP_SEMANTICS;
fn open_mmap(full_path: &PathBuf) -> result::Result<Option<Arc<Mmap>>, FileError> {
let convert_file_error = |err: io::Error| {
if err.kind() == io::ErrorKind::NotFound {
@@ -226,8 +221,8 @@ impl MmapDirectory {
fn sync_directory(&self) -> Result<(), io::Error> {
let mut open_opts = OpenOptions::new();
// Linux needs read to be set, or otherwise returns EINVAL
// and fails with EISDIR if write is set
// Linux needs read to be set, otherwise returns EINVAL
// write must not be set, or it fails with EISDIR
open_opts.read(true);
// On Windows, opening a directory requires FILE_FLAG_BACKUP_SEMANTICS
@@ -235,8 +230,10 @@ impl MmapDirectory {
#[cfg(windows)]
{
use std::os::windows::fs::OpenOptionsExt;
use winapi::winbase;
open_opts.write(true)
.custom_flags(FILE_FLAG_BACKUP_SEMANTICS);
.custom_flags(winbase::FILE_FLAG_BACKUP_SEMANTICS);
}
let fd = try!(open_opts.open(&self.root_path));