Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Incorporate #602 #607

Merged
merged 3 commits into from
Jun 26, 2024
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 1 addition & 1 deletion .cirrus.yml
Original file line number Diff line number Diff line change
@@ -1,6 +1,6 @@
# adopted from https://github.com/tokio-rs/tokio/blob/master/.cirrus.yml
freebsd_instance:
image_family: freebsd-13-2
image_family: freebsd-14-1
task:
name: FreeBSD 64-bit
setup_script:
Expand Down
21 changes: 10 additions & 11 deletions notify/src/windows.rs
Original file line number Diff line number Diff line change
Expand Up @@ -8,10 +8,10 @@
use crate::{bounded, unbounded, BoundSender, Config, Receiver, Sender};
use crate::{event::*, WatcherKind};
use crate::{Error, EventHandler, RecursiveMode, Result, Watcher};
use std::alloc;
use std::collections::HashMap;
use std::env;
use std::ffi::OsString;
use std::mem;
use std::os::raw::c_void;
use std::os::windows::ffi::{OsStrExt, OsStringExt};
use std::path::{Path, PathBuf};
Expand Down Expand Up @@ -255,7 +255,7 @@ fn stop_watch(ws: &WatchState, meta_tx: &Sender<MetaEvent>) {
}

fn start_read(rd: &ReadData, event_handler: Arc<Mutex<dyn EventHandler>>, handle: HANDLE) {
let mut request = Box::new(ReadDirectoryRequest {
let request = Box::new(ReadDirectoryRequest {
event_handler,
handle,
buffer: [0u8; BUF_SIZE as usize],
Expand All @@ -270,31 +270,30 @@ fn start_read(rd: &ReadData, event_handler: Arc<Mutex<dyn EventHandler>>, handle
| FILE_NOTIFY_CHANGE_CREATION
| FILE_NOTIFY_CHANGE_SECURITY;

let monitor_subdir = if (&request.data.file).is_none() && request.data.is_recursive {
let monitor_subdir = if request.data.file.is_none() && request.data.is_recursive {
1
} else {
0
};

unsafe {
let mut overlapped = std::mem::ManuallyDrop::new(Box::new(mem::zeroed::<OVERLAPPED>()));
let overlapped = alloc::alloc_zeroed(alloc::Layout::new::<OVERLAPPED>()) as *mut OVERLAPPED;
// When using callback based async requests, we are allowed to use the hEvent member
// for our own purposes

let req_buf = request.buffer.as_mut_ptr() as *mut c_void;
let request_p = Box::into_raw(request);
overlapped.hEvent = request_p as isize;
let request = Box::leak(request);
(*overlapped).hEvent = request as *mut _ as _;

// This is using an asynchronous call with a completion routine for receiving notifications
// An I/O completion port would probably be more performant
let ret = ReadDirectoryChangesW(
handle,
req_buf,
request.buffer.as_mut_ptr() as *mut c_void,
BUF_SIZE,
monitor_subdir,
flags,
&mut 0u32 as *mut u32, // not used for async reqs
(&mut **overlapped) as *mut OVERLAPPED,
overlapped,
Some(handle_event),
);

Expand All @@ -303,8 +302,8 @@ fn start_read(rd: &ReadData, event_handler: Arc<Mutex<dyn EventHandler>>, handle
// Because of the error, ownership of the `overlapped` alloc was not passed
// over to `ReadDirectoryChangesW`.
// So we can claim ownership back.
let _overlapped_alloc = std::mem::ManuallyDrop::into_inner(overlapped);
let request: Box<ReadDirectoryRequest> = Box::from_raw(request_p);
let _overlapped = Box::from_raw(overlapped);
let request = Box::from_raw(request);
ReleaseSemaphore(request.data.complete_sem, 1, ptr::null_mut());
}
}
Expand Down
Loading