Lines Matching refs:eventfd
216 dnl eventfd support
218 AC_ARG_ENABLE([eventfd], optenable
219 [AS_HELP_STRING([--enable-eventfd], [use eventfd for signalling [default=auto]])],
223 AC_CHECK_HEADER([sys/eventfd.h], [eventfd_h=yes], [eventfd_h=])
225 …CLS([EFD_NONBLOCK, EFD_CLOEXEC], [eventfd_h_ok=yes], [eventfd_h_ok=], [[#include <sys/eventfd.h>]])
227 AC_CHECK_FUNC([eventfd], [eventfd_ok=yes], [eventfd_ok=])
229 AC_DEFINE([HAVE_EVENTFD], [1], [Define to 1 if the system has eventfd functionality.])
231 AC_MSG_ERROR([eventfd() function not found; glibc 2.9+ required])
234 AC_MSG_ERROR([eventfd header not usable; glibc 2.9+ required])
237 AC_MSG_ERROR([eventfd header not available; glibc 2.9+ required])
240 AC_MSG_CHECKING([whether to use eventfd for signalling])