cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomidnl * I/O loop function

cca227d2929386ee11e4aa23464681ef35eb9679Aki TuomiAC_DEFUN([DOVECOT_IOLOOP], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi have_ioloop=no

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test "$ioloop" = "best" || test "$ioloop" = "epoll"; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_CACHE_CHECK([whether we can use epoll],i_cv_epoll_works,[

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_TRY_RUN([

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi #include <sys/epoll.h>

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi int main()

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi {

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi return epoll_create(5) < 1;

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi }

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi i_cv_epoll_works=yes

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ], [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi i_cv_epoll_works=no

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test $i_cv_epoll_works = yes; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_DEFINE(IOLOOP_EPOLL,, [Implement I/O loop with Linux 2.6 epoll()])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi have_ioloop=yes

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ioloop=epoll

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi else

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test "$ioloop" = "epoll" ; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_MSG_ERROR([epoll ioloop requested but epoll_create() is not available])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test "$ioloop" = "best" || test "$ioloop" = "kqueue"; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test "$ac_cv_func_kqueue" = yes && test "$ac_cv_func_kevent" = yes; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_DEFINE(IOLOOP_KQUEUE,, [Implement I/O loop with BSD kqueue()])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ioloop=kqueue

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi have_ioloop=yes

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi elif test "$ioloop" = "kqueue"; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_MSG_ERROR([kqueue ioloop requested but kqueue() is not available])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test "$ioloop" = "best" || test "$ioloop" = "poll"; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_CHECK_FUNC(poll, [

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_DEFINE(IOLOOP_POLL,, [Implement I/O loop with poll()])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ioloop=poll

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi have_ioloop=yes

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi if test "$have_ioloop" = "no"; then

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi AC_DEFINE(IOLOOP_SELECT,, [Implement I/O loop with select()])

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi ioloop="select"

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi fi

cca227d2929386ee11e4aa23464681ef35eb9679Aki Tuomi])