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| -rw-r--r-- | talpid-windows/src/io.rs | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/talpid-windows/src/io.rs b/talpid-windows/src/io.rs index 1bcffb30d3..cd7b0ae98a 100644 --- a/talpid-windows/src/io.rs +++ b/talpid-windows/src/io.rs @@ -4,18 +4,24 @@ use windows_sys::Win32::System::IO::OVERLAPPED; use crate::sync::Event; /// Abstraction over `OVERLAPPED`. +/// +/// - https://learn.microsoft.com/en-us/windows/win32/api/minwinbase/ns-minwinbase-overlapped +/// - https://learn.microsoft.com/en-us/windows/win32/api/synchapi/nf-synchapi-createeventw pub struct Overlapped { overlapped: OVERLAPPED, event: Option<Event>, } +// SAFETY: Both OVERLAPPED and Event is used for async I/O, so this *should* be safe. unsafe impl Send for Overlapped {} +// SAFETY: See above. unsafe impl Sync for Overlapped {} impl Overlapped { /// Creates an `OVERLAPPED` object with `hEvent` set. pub fn new(event: Option<Event>) -> io::Result<Self> { let mut overlapped = Overlapped { + // SAFETY: OVERLAPPED is a C struct and can safely be zeroed. overlapped: unsafe { mem::zeroed() }, event: None, }; |