-
Kqueue is a
scalable event notification interface introduced in
FreeBSD 4.1 in July 2000, also
supported in NetBSD, OpenBSD,
DragonFly BSD, and macOS....
- O(n) time,
epoll operates in O(1) time).
epoll is
similar to FreeBSD's
kqueue, in that it
consists of a set of user-space functions, each
taking a file...
-
support for
asynchronous I/O
based on
event loops. It
supports epoll(4),
kqueue(2),
Windows IOCP,
Solaris event ports and
Linux io_uring. It is primarily...
-
become ready for use. On *BSD and macOS, it has been
largely su****ded by
kqueue in high
performance applications. On Linux, it has been su****ded by ppoll...
- flag CLONE_PIDFD, Linux) pidfd_open() (Linux) open_by_handle_at() (Linux)
kqueue() (BSD) pdfork() (kFreeBSD) dirfd() fileno() read(), write() readv(), writev()...
-
facilities —
kqueue (BSD derivatives),
epoll (Linux), IOCP (Windows NT, Solaris), /dev/poll (Solaris) — the
control object is
generally created (
kqueue(), epoll_create())...
-
completion port
manages multiple threads and
their concurrency.
Overlapped I/O
kqueue epoll Windows I/O
Completion Ports Configuring IOCP on AIX 5 and 6 "Solaris...
-
FreeBSD kernel has also a
scalable event notification interface,
named kqueue. It has been
ported to
other BSD-derivatives such as
OpenBSD and NetBSD...
- of
hardware abstractions provided by the real kernel.
These include the
kqueue-based timer, the
console (mapped to the
virtual terminal where vkernel is...
- c10k problem, both
select and poll have been su****ded by the
likes of
kqueue, epoll, /dev/poll and I/O
completion ports. One
common use of
select outside...
