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io: hardcode platform list for poll_write (#7872)

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Alice Ryhl
2026-01-29 15:12:10 +01:00
committed by GitHub
parent 8f6d0864c3
commit b68ea4156a
1 changed files with 23 additions and 1 deletions
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tokio/src/io/poll_evented.rs
+23 -1
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@@ -188,6 +188,7 @@ feature! {
// Read more:
// https://github.com/tokio-rs/tokio/issues/5866
#[cfg(all(
// keep in sync with poll_write
not(mio_unsupported_force_poll_poll),
any(
// epoll
@@ -240,7 +241,28 @@ feature! {
// that the socket buffer is full. Unfortunately this assumption
// fails for level-triggered selectors (like on Windows or poll even for
// UNIX): https://github.com/tokio-rs/tokio/issues/5866
if n > 0 && (!cfg!(windows) && !cfg!(mio_unsupported_force_poll_poll) && n < buf.len()) {
#[cfg(all(
// keep in sync with poll_read
not(mio_unsupported_force_poll_poll),
any(
// epoll
target_os = "android",
target_os = "illumos",
target_os = "linux",
target_os = "redox",
// kqueue
target_os = "dragonfly",
target_os = "freebsd",
target_os = "ios",
target_os = "macos",
target_os = "netbsd",
target_os = "openbsd",
target_os = "tvos",
target_os = "visionos",
target_os = "watchos",
)
))]
if 0 < n && n < buf.len() {
self.registration.clear_readiness(evt);
}