/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

#include "ergo.h"

/* Methods for solaris-sparc and linux-sparc: these are easy. */

/* Ask the OS how many processors there are. */

static unsigned long

physical_processors(void) {

  const unsigned long sys_processors = sysconf(_SC_NPROCESSORS_CONF);

  JLI_TraceLauncher("sysconf(_SC_NPROCESSORS_CONF): %lu\n", sys_processors);

  return sys_processors;

}

/* The sparc version of the "server-class" predicate. */

jboolean

ServerClassMachineImpl(void) {

  jboolean            result            = JNI_FALSE;

  /* How big is a server class machine? */

  const unsigned long server_processors = 2UL;

  const uint64_t      server_memory     = 2UL * GB;

  const uint64_t      actual_memory     = physical_memory();

  /* Is this a server class machine? */

  if (actual_memory >= server_memory) {

    const unsigned long actual_processors = physical_processors();

    if (actual_processors >= server_processors) {

      result = JNI_TRUE;

    }

  }

  JLI_TraceLauncher("unix_" LIBARCHNAME "_ServerClassMachine: %s\n",

           (result == JNI_TRUE ? "JNI_TRUE" : "JNI_FALSE"));

  return result;

}