Commit d966fe63190de2992d6a7985bc492b9d9699d253 | zig

author	Joran Dirk Greef <joran@ronomon.com> 2020-09-17 19:53:34+02:00
committer	Joran Dirk Greef <joran@ronomon.com> 2020-09-17 19:53:34+02:00
log	d966fe63190de2992d6a7985bc492b9d9699d253
tree	22ba92c09c7190f4d3ae802ccb8feb5fb9d243fc
parent	21c81360ba40d645768d061723522116b6408d48

2 files changed, 4 insertions(+), 4 deletions(-)

lib/std/io_uring.zig+1-4

...	@@ -38,9 +38,6 @@ pub const io_uring_sqe = extern struct {	...	@@ -38,9 +38,6 @@ pub const io_uring_sqe = extern struct {
38	options: [2]u64 = [2]u64{ 0, 0 }	38	options: [2]u64 = [2]u64{ 0, 0 }
39	};	39	};
40		40
41	// TODO Add to zig/std/os/bits/linux.zig:
42	const IORING_SQ_CQ_OVERFLOW = 1 << 1;
43
44	comptime {	41	comptime {
45	assert(@sizeOf(io_uring_params) == 120);	42	assert(@sizeOf(io_uring_params) == 120);
46	assert(@sizeOf(io_uring_sqe) == 64);	43	assert(@sizeOf(io_uring_sqe) == 64);
...	@@ -315,7 +312,7 @@ pub const IO_Uring = struct {	...	@@ -315,7 +312,7 @@ pub const IO_Uring = struct {
315		312
316	// Matches the implementation of cq_ring_needs_flush() in liburing.	313	// Matches the implementation of cq_ring_needs_flush() in liburing.
317	fn cq_ring_needs_flush(self: *IO_Uring) bool {	314	fn cq_ring_needs_flush(self: *IO_Uring) bool {
318	return (@atomicLoad(u32, self.sq.flags, .Unordered) & IORING_SQ_CQ_OVERFLOW) != 0;	315	return (@atomicLoad(u32, self.sq.flags, .Unordered) & linux.IORING_SQ_CQ_OVERFLOW) != 0;
319	}	316	}
320		317
321	/// For advanced use cases only that implement custom completion queue methods.	318	/// For advanced use cases only that implement custom completion queue methods.

lib/std/os/bits/linux.zig+3

 @@ -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,