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Add IORING_SQ_CQ_OVERFLOW to std/os/bits/linux.zig

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This commit is contained in:
Joran Dirk Greef 2020-09-17 19:53:34 +02:00
parent 21c81360ba
commit d966fe6319
2 changed files with 4 additions and 4 deletions
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5
lib/std/io_uring.zig
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@ -38,9 +38,6 @@ pub const io_uring_sqe = extern struct {
options: [2]u64 = [2]u64{ 0, 0 }
};
// TODO Add to zig/std/os/bits/linux.zig:
const IORING_SQ_CQ_OVERFLOW = 1 << 1;
comptime {
assert(@sizeOf(io_uring_params) == 120);
assert(@sizeOf(io_uring_sqe) == 64);
@ -315,7 +312,7 @@ pub const IO_Uring = struct {
// Matches the implementation of cq_ring_needs_flush() in liburing.
fn cq_ring_needs_flush(self: *IO_Uring) bool {
return (@atomicLoad(u32, self.sq.flags, .Unordered) & IORING_SQ_CQ_OVERFLOW) != 0;
return (@atomicLoad(u32, self.sq.flags, .Unordered) & linux.IORING_SQ_CQ_OVERFLOW) != 0;
}
/// For advanced use cases only that implement custom completion queue methods.

3
lib/std/os/bits/linux.zig
View File

@ -1251,6 +1251,9 @@ pub const io_sqring_offsets = extern struct {
/// needs io_uring_enter wakeup
pub const IORING_SQ_NEED_WAKEUP = 1 << 0;
/// kernel has cqes waiting beyond the cq ring
pub const IORING_SQ_CQ_OVERFLOW = 1 << 1;
pub const io_cqring_offsets = extern struct {
head: u32,
tail: u32,