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More overlapped implementation #5748

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Merged
merged 1 commit into from
Apr 27, 2025
Merged

More overlapped implementation #5748

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56 changes: 56 additions & 0 deletions stdlib/src/overlapped.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -297,6 +297,10 @@ mod _overlapped {
}
}

unsafe fn u64_to_handle(raw_ptr_value: u64) -> HANDLE {
raw_ptr_value as HANDLE
}

#[pyfunction]
fn CreateIoCompletionPort(
handle: isize,
Expand Down Expand Up @@ -354,4 +358,56 @@ mod _overlapped {
]);
Ok(value.into())
}

#[pyfunction]
fn CreateEvent(
event_attributes: PyObjectRef,
manual_reset: bool,
initial_state: bool,
name: Option<String>,
vm: &VirtualMachine,
) -> PyResult<isize> {
if !vm.is_none(&event_attributes) {
return Err(vm.new_value_error("EventAttributes must be None".to_owned()));
}

let name = match name {
Some(name) => {
let name = widestring::WideCString::from_str(&name).unwrap();
name.as_ptr()
}
None => std::ptr::null(),
};
let event = unsafe {
windows_sys::Win32::System::Threading::CreateEventW(
std::ptr::null(),
manual_reset as _,
initial_state as _,
name,
) as isize
};
if event == NULL {
return Err(errno_err(vm));
}
Ok(event)
}

#[pyfunction]
fn SetEvent(handle: u64, vm: &VirtualMachine) -> PyResult<()> {
let ret = unsafe { windows_sys::Win32::System::Threading::SetEvent(u64_to_handle(handle)) };
if ret == 0 {
return Err(errno_err(vm));
}
Ok(())
}

#[pyfunction]
fn ResetEvent(handle: u64, vm: &VirtualMachine) -> PyResult<()> {
let ret =
unsafe { windows_sys::Win32::System::Threading::ResetEvent(u64_to_handle(handle)) };
if ret == 0 {
return Err(errno_err(vm));
}
Ok(())
}
}
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