Commit e460ba66a5
Changed files (1)
lib
std
os
linux
lib/std/os/linux/io_uring.zig
@@ -144,7 +144,10 @@ pub const IO_Uring = struct {
/// Submits the SQEs acquired via get_sqe() to the kernel. You can call this once after you have
/// called get_sqe() multiple times to setup multiple I/O requests.
- /// Returns the number of SQEs submitted.
+ /// Returns the number of SQEs submitted, if not used alongside IORING_SETUP_SQPOLL.
+ /// If the io_uring instance is uses IORING_SETUP_SQPOLL, the value returned on success is not
+ /// guaranteed to match the amount of actually submitted sqes during this call. A value higher
+ /// or lower, including 0, may be returned.
/// Matches the implementation of io_uring_submit() in liburing.
pub fn submit(self: *IO_Uring) !u32 {
return self.submit_and_wait(0);