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io_uring cancel test must tolerate CQ reordering

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Fixes #11382. Tested on ArchLinux 5.17.5-arch1-1.
This commit is contained in:
Brian Gold 2022-05-09 20:52:09 -07:00 committed by Isaac Freund
parent 62453496ba
commit 52651ae7a0
1 changed files with 12 additions and 2 deletions
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14
lib/std/os/linux/io_uring.zig
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@ -2400,15 +2400,25 @@ test "accept/connect/recv/cancel" {
try testing.expectEqual(@as(u64, 0x99999999), sqe_cancel.user_data);
try testing.expectEqual(@as(u32, 1), try ring.submit());
const cqe_recv = try ring.copy_cqe();
var cqe_recv = try ring.copy_cqe();
if (cqe_recv.err() == .INVAL) return error.SkipZigTest;
var cqe_cancel = try ring.copy_cqe();
if (cqe_cancel.err() == .INVAL) return error.SkipZigTest;
// The recv/cancel CQEs may arrive in any order, the recv CQE will sometimes come first:
if (cqe_recv.user_data == 0x99999999 and cqe_cancel.user_data == 0xffffffff) {
const a = cqe_recv;
const b = cqe_cancel;
cqe_recv = b;
cqe_cancel = a;
}
try testing.expectEqual(linux.io_uring_cqe{
.user_data = 0xffffffff,
.res = -@as(i32, @enumToInt(linux.E.CANCELED)),
.flags = 0,
}, cqe_recv);
const cqe_cancel = try ring.copy_cqe();
try testing.expectEqual(linux.io_uring_cqe{
.user_data = 0x99999999,
.res = 0,