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tests: handle EPERM in io_uring_supported helper (#8416)

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Co-authored-by: philphauler <[email protected]>
This commit is contained in:
Phil Phauler
2026-09-07 00:05:49 +08:00
committed by GitHub
co-authored by philphauler
parent 7d0d729d8f
commit a316820fa4
1 changed files with 9 additions and 4 deletions
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tokio/tests/support/io_uring.rs
+9 -4
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@@ -20,10 +20,15 @@ use io_uring::IoUring;
pub fn io_uring_supported() -> bool {
match IoUring::new(256) {
Ok(_) => true,
// The Kernel does not support io-uring
Err(e) if e.raw_os_error() == Some(libc::ENOSYS) => false,
Err(_) => unreachable!(
"The target should either support io_uring or return ENOSYS if not supported"
// ENOSYS: kernel does not support io_uring.
// EPERM: io_uring disabled via sysctl kernel.io_uring_disabled (#7691).
Err(e)
if e.raw_os_error() == Some(libc::ENOSYS) || e.raw_os_error() == Some(libc::EPERM) =>
{
false
}
Err(e) => unreachable!(
"IoUring::new failed with an unexpected error (expected ENOSYS or EPERM): {e}"
),
}
}