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@node ax_sys_dev_poll
@unnumberedsec ax_sys_dev_poll
@majorheading Synopsis
@smallexample
AX_SYS_DEV_POLL([ACTION-IF-FOUND], [ACTION-IF-NOT-FOUND])
@end smallexample
@majorheading Description
This macro tests for the presence of /dev/poll support in the build
environment. It checks that the needed structure (dvpoll) is available,
with the standard fields. /dev/poll is most often seen under Solaris.
Note that it does not attempt to actually open /dev/poll -- you should
test for errors when you open it and then fall back to poll() if it is
unavailable.
@majorheading Source Code
Download the
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=blob_plain;f=m4/ax_sys_dev_poll.m4,latest
version of @file{ax_sys_dev_poll.m4}} or browse
@uref{http://git.savannah.gnu.org/gitweb/?p=autoconf-archive.git;a=history;f=m4/ax_sys_dev_poll.m4,the
macro's revision history}.
@majorheading License
@w{Copyright @copyright{} 2008 Dave Benson @email{daveb@@ffem.org}}
Copying and distribution of this file, with or without modification, are
permitted in any medium without royalty provided the copyright notice
and this notice are preserved. This file is offered as-is, without any
warranty.
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