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Does IOCP and io_uring read/write Asynchronous?
As far as I konw. Linux epoll is asynchronous notification. when a file descriptor become readable/writeable/acceptable, epoll_wait will return this fd. But read or write is still synchronous, will bl...
LGG
Votes: 0
Answers: 1
why io_uring's submission queue indexing is different from completion queue?
From https://kernel.dk/io_uring.pdf, I noticed submission queue of io_uring requires another indirection of indexing. And the explaination is quite blurry for me.
One important difference is that whi...
Slow Mohammud
Votes: 0
Answers: 1
Cannot write file in Linux with liburing
I recently started using liburing and tried to write some demos. I met trouble when tried to write something into the disk.
Here is my code, the error check has been removed.
#include "liburing.h...
Amor Fati
Votes: 0
Answers: 1
io_uring_queue_init permission denied
I've updated my fedora linux with dnf update to kernel version Linux 5.16.7-200.fc35.x86_64 x86_64 and am now getting a EPERM/permission denied error for a call to io_uring_queue_init, even when calli...
Klemens Morgenstern
Votes: 0
Answers: 1