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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.

Source Code

Download the latest version of ax_sys_dev_poll.m4 or browse the macro’s revision history.


Copyright © 2008 Dave Benson

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.