diff options
Diffstat (limited to 'acinclude.m4')
| -rw-r--r-- | acinclude.m4 | 190 |
1 files changed, 190 insertions, 0 deletions
diff --git a/acinclude.m4 b/acinclude.m4 index 597252d..0d930aa 100644 --- a/acinclude.m4 +++ b/acinclude.m4 @@ -602,3 +602,193 @@ int main (int argc, char *argv []) [AC_MSG_RESULT(not during cross-compile) ; libzmq_cv_sock_cloexec="no"] ) }]) + +dnl ################################################################################ +dnl # LIBZMQ_CHECK_POLLER_KQUEUE([action-if-found], [action-if-not-found]) # +dnl # Checks kqueue polling system # +dnl ################################################################################ +AC_DEFUN([LIBZMQ_CHECK_POLLER_KQUEUE], [{ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [ +#include <sys/types.h> +#include <sys/event.h> +#include <sys/time.h> + ], +[[ +struct kevent t_kev; +kqueue(); +]] + )], + [libzmq_cv_have_poller_kqueue="yes" ; $1], + [libzmq_cv_have_poller_kqueue="no" ; $2]) +}]) + +dnl ################################################################################ +dnl # LIBZMQ_CHECK_POLLER_EPOLL([action-if-found], [action-if-not-found]) # +dnl # Checks epoll polling system can actually run # +dnl # For cross-compile, only requires that epoll can link # +dnl ################################################################################ +AC_DEFUN([LIBZMQ_CHECK_POLLER_EPOLL], [{ + AC_RUN_IFELSE( + [AC_LANG_PROGRAM( + [ +#include <sys/epoll.h> + ], +[[ +struct epoll_event t_ev; +int r; +r = epoll_create(10); +return(r < 0); +]] + )], + [libzmq_cv_have_poller_epoll="yes" ; $1], + [libzmq_cv_have_poller_epoll="no" ; $2], + [ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [ +#include <sys/epoll.h> + ], + [[ + struct epoll_event t_ev; + epoll_create(10); + ]] + )], + [libzmq_cv_have_poller_epoll="yes" ; $1], + [libzmq_cv_have_poller_epoll="no" ; $2]) + + ]) +}]) + +dnl ################################################################################ +dnl # LIBZMQ_CHECK_POLLER_DEVPOLL([action-if-found], [action-if-not-found]) # +dnl # Checks devpoll polling system # +dnl ################################################################################ +AC_DEFUN([LIBZMQ_CHECK_POLLER_DEVPOLL], [{ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [ +#include <sys/devpoll.h> + ], +[[ +struct pollfd t_devpoll; +int fd = open("/dev/poll", O_RDWR); +]] + )], + [libzmq_cv_have_poller_devpoll="yes" ; $1], + [libzmq_cv_have_poller_devpoll="no" ; $2]) +}]) + +dnl ################################################################################ +dnl # LIBZMQ_CHECK_POLLER_POLL([action-if-found], [action-if-not-found]) # +dnl # Checks poll polling system # +dnl ################################################################################ +AC_DEFUN([LIBZMQ_CHECK_POLLER_POLL], [{ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [ +#include <poll.h> + ], +[[ +struct pollfd t_poll; +poll(&t_poll, 1, 1); +]] + )], + [libzmq_cv_have_poller_poll="yes" ; $1], + [libzmq_cv_have_poller_poll="no" ; $2]) +}]) + +dnl ################################################################################ +dnl # LIBZMQ_CHECK_POLLER_SELECT([action-if-found], [action-if-not-found]) # +dnl # Checks select polling system # +dnl ################################################################################ +AC_DEFUN([LIBZMQ_CHECK_POLLER_SELECT], [{ + AC_LINK_IFELSE( + [AC_LANG_PROGRAM( + [ +#ifdef ZMQ_HAVE_WINDOWS +#include "winsock2.h" +#elif defined ZMQ_HAVE_OPENVMS +#include <sys/types.h> +#include <sys/time.h> +#else +#include <sys/select.h> +#endif + ], +[[ +fd_set t_rfds; +struct timeval tv; + +FD_ZERO(&t_rfds); +FD_SET(0, &t_rfds); + +tv.tv_sec = 5; +tv.tv_usec = 0; + +select(1, &t_rfds, NULL, NULL, &tv); +]] + )], + [libzmq_cv_have_poller_select="yes" ; $1], + [libzmq_cv_have_poller_select="no" ; $2]) +}]) + +dnl ################################################################################ +dnl # LIBZMQ_CHECK_POLLER([action-if-found], [action-if-not-found]) # +dnl # Choose polling system # +dnl ################################################################################ +AC_DEFUN([LIBZMQ_CHECK_POLLER], [{ + + # Allow user to disable doc build + AC_ARG_WITH([poller], [AS_HELP_STRING([--with-poller], + [choose polling system manually. valid values are kqueue, epoll, devpoll, poll or select [default=autodetect]])]) + + AC_MSG_CHECKING([for suitable polling system]) + + case "${with_poller}" in + kqueue|epoll|devpoll|poll|select) + # User has chosen polling system + libzmq_cv_poller="${with_poller}" + ;; + + *) + # try to find suitable polling system. the order of testing is: + # kqueue -> epoll -> devpoll -> poll -> select + for subsystem in kqueue epoll devpoll poll select; do + + case "${subsystem}" in + kqueue) + LIBZMQ_CHECK_POLLER_KQUEUE([libzmq_cv_poller=$subsystem], []) + ;; + + epoll) + LIBZMQ_CHECK_POLLER_EPOLL([libzmq_cv_poller=$subsystem], []) + ;; + + devpoll) + LIBZMQ_CHECK_POLLER_DEVPOLL([libzmq_cv_poller=$subsystem], []) + ;; + + poll) + LIBZMQ_CHECK_POLLER_POLL([libzmq_cv_poller=$subsystem], []) + ;; + + select) + LIBZMQ_CHECK_POLLER_SELECT([libzmq_cv_poller=$subsystem], []) + ;; + esac + + if test "x${libzmq_cv_poller}" != "x"; then + break + fi + done + ;; + esac + + libzmq_cv_poller_flag=`echo "ZMQ_FORCE_${libzmq_cv_poller}" | tr a-z A-Z` + + AS_IF([test "x${libzmq_cv_poller}" != "x"], + [AC_MSG_RESULT([using $libzmq_cv_poller]) ; $1], [AC_MSG_RESULT(no suitable polling system found) ; $2]) +}]) + + |