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io-uring: add readable/writable

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This commit is contained in:
Julian Orth 2022-05-12 20:33:58 +02:00
parent 25d817b722
commit dcdd91c0b0
31 changed files with 285 additions and 189 deletions
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9
src/io_uring/pending_result.rs
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@ -1,8 +1,5 @@
use {
crate::{
io_uring::IoUringError,
utils::{numcell::NumCell, oserror::OsError, ptr_ext::PtrExt, stack::Stack},
},
crate::utils::{numcell::NumCell, oserror::OsError, ptr_ext::PtrExt, stack::Stack},
std::{
cell::Cell,
future::Future,
@ -104,13 +101,13 @@ impl Clone for PendingResult {
}
impl Future for PendingResult {
type Output = Result<i32, IoUringError>;
type Output = Result<i32, OsError>;
fn poll(self: Pin<&mut Self>, cx: &mut Context<'_>) -> Poll<Self::Output> {
let pr = unsafe { self.pr.deref() };
if let Some(res) = pr.res.take() {
let res = if res < 0 {
Err(IoUringError::OsError(OsError::from(-res as c::c_int)))
Err(OsError::from(-res as c::c_int))
} else {
Ok(res)
};