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|
=encoding utf-8
=head1 Name
events - Connection processing methods
=head1
nginx supports a variety of connection processing methods.
The availability of a particular method depends on the platform used.
On platforms that support several methods nginx will normally
select the most efficient method automatically.
However, if needed, a connection processing method can be selected
explicitly with the
L<ngx_core_module> directive.
The following connection processing methods are supported:
=over
=item *
C<select>E<mdash>standard method.
The supporting module is built automatically on platforms that lack
more efficient methods.
The C<--with-select_module> and
C<--without-select_module> configuration parameters
can be used to forcibly enable or disable the build of this module.
=item *
C<poll>E<mdash>standard method.
The supporting module is built automatically on platforms that lack
more efficient methods.
The C<--with-poll_module> and
C<--without-poll_module> configuration parameters
can be used to forcibly enable or disable the build of this module.
=item *
C<kqueue>E<mdash>efficient method used on
FreeBSD 4.1+, OpenBSD 2.9+, NetBSD 2.0, and macOS.
=item *
C<epoll>E<mdash>efficient method used on
Linux 2.6+.
B<NOTE>
The C<EPOLLRDHUP> (Linux 2.6.17, glibc 2.8)
and C<EPOLLEXCLUSIVE> (Linux 4.5, glibc 2.24)
flags are supported since 1.11.3.
B<NOTE>
Some older distributions like SuSE 8.2 provide patches
that add epoll support to 2.4 kernels.
=item *
C<E<sol>devE<sol>poll>E<mdash>efficient method used on
Solaris 7 11E<sol>99+, HPE<sol>UX 11.22+ (eventport), IRIX 6.5.15+,
and Tru64 UNIX 5.1A+.
=item *
C<eventport>E<mdash>event ports, method
used on Solaris 10+ (due to known issues,
it is recommended using the C<E<sol>devE<sol>poll> method instead).
=back
|
