# ===========================================================================
# http://
# ===========================================================================
#
# SYNOPSIS
#
#   AX_PTHREAD_TIMEDJOIN_NP
#
# DESCRIPTION
#
#   Check for pthread_timedjoin_np support.
#
# LICENSE
#
#   Copyright (c) 2012 Brian Aker <brian@tangent.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.

#serial 3

AC_DEFUN([AX_PTHREAD_TIMEDJOIN_NP], [
         AC_REQUIRE([AX_PTHREAD])
         AC_CACHE_CHECK([check for pthread_timedjoin_np], [ax_cv_pthread_timedjoin_np], [
                        save_LDFLAGS="$LDFLAGS"
                        LDFLAGS="$PTHREAD_LIBS"
                        AC_LANG_PUSH([C])
                        AC_LINK_IFELSE([
                                       AC_LANG_PROGRAM([
#ifndef _GNU_SOURCE 
#define _GNU_SOURCE 
#endif

#include <stdlib.h> 
#include <pthread.h>
                                                       ], [
                                                       pthread_t thread;
                                                       pthread_timedjoin_np(thread, NULL);
                                                       ])],
                                       [ax_cv_pthread_timedjoin_np=yes],
                                       [])

                        AC_LANG_POP
                        LDFLAGS="$save_LDFLAGS"

         ])

         AS_IF([test "$ax_cv_pthread_timedjoin_np" = yes],[
               AC_DEFINE(HAVE_PTHREAD_TIMEDJOIN_NP,[1],[Define if pthread_timedjoin_np is present in pthread.h.])],[
               AC_DEFINE(HAVE_PTHREAD_TIMEDJOIN_NP,[0],[Define if pthread_timedjoin_np is present in pthread.h.])
               ])
         ])