diff -r 989253a902c3 -r 551470085a1d jdk/src/java.management/unix/native/libmanagement/MacosxOperatingSystem.c
--- a/jdk/src/java.management/unix/native/libmanagement/MacosxOperatingSystem.c	Wed Jul 05 20:31:05 2017 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,161 +0,0 @@
-/*
- * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved.
- * 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
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * 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.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-#include "sun_management_OperatingSystemImpl.h"
-
-#include <sys/time.h>
-#include <mach/mach.h>
-#include <mach/task_info.h>
-
-#include "jvm.h"
-
-JNIEXPORT jdouble JNICALL
-Java_sun_management_OperatingSystemImpl_getSystemCpuLoad0
-(JNIEnv *env, jobject dummy)
-{
-    // This code is influenced by the darwin top source
-
-    kern_return_t kr;
-    mach_msg_type_number_t count;
-    host_cpu_load_info_data_t load;
-
-    static jlong last_used  = 0;
-    static jlong last_total = 0;
-
-    count = HOST_CPU_LOAD_INFO_COUNT;
-    kr = host_statistics(mach_host_self(), HOST_CPU_LOAD_INFO, (host_info_t)&load, &count);
-    if (kr != KERN_SUCCESS) {
-        return -1;
-    }
-
-    jlong used  = load.cpu_ticks[CPU_STATE_USER] + load.cpu_ticks[CPU_STATE_NICE] + load.cpu_ticks[CPU_STATE_SYSTEM];
-    jlong total = used + load.cpu_ticks[CPU_STATE_IDLE];
-
-    if (last_used == 0 || last_total == 0) {
-        // First call, just set the last values
-        last_used  = used;
-        last_total = total;
-        // return 0 since we have no data, not -1 which indicates error
-        return 0;
-    }
-
-    jlong used_delta  = used - last_used;
-    jlong total_delta = total - last_total;
-
-    jdouble cpu = (jdouble) used_delta / total_delta;
-
-    last_used  = used;
-    last_total = total;
-
-    return cpu;
-}
-
-
-#define TIME_VALUE_TO_TIMEVAL(a, r) do {  \
-     (r)->tv_sec = (a)->seconds;          \
-     (r)->tv_usec = (a)->microseconds;    \
-} while (0)
-
-
-#define TIME_VALUE_TO_MICROSECONDS(TV) \
-     ((TV).tv_sec * 1000 * 1000 + (TV).tv_usec)
-
-
-JNIEXPORT jdouble JNICALL
-Java_sun_management_OperatingSystemImpl_getProcessCpuLoad0
-(JNIEnv *env, jobject dummy)
-{
-    // This code is influenced by the darwin top source
-
-    struct task_basic_info_64 task_info_data;
-    struct task_thread_times_info thread_info_data;
-    struct timeval user_timeval, system_timeval, task_timeval;
-    struct timeval now;
-    mach_port_t task = mach_task_self();
-    kern_return_t kr;
-
-    static jlong last_task_time = 0;
-    static jlong last_time      = 0;
-
-    mach_msg_type_number_t thread_info_count = TASK_THREAD_TIMES_INFO_COUNT;
-    kr = task_info(task,
-            TASK_THREAD_TIMES_INFO,
-            (task_info_t)&thread_info_data,
-            &thread_info_count);
-    if (kr != KERN_SUCCESS) {
-        // Most likely cause: |task| is a zombie.
-        return -1;
-    }
-
-    mach_msg_type_number_t count = TASK_BASIC_INFO_64_COUNT;
-    kr = task_info(task,
-            TASK_BASIC_INFO_64,
-            (task_info_t)&task_info_data,
-            &count);
-    if (kr != KERN_SUCCESS) {
-        // Most likely cause: |task| is a zombie.
-        return -1;
-    }
-
-    /* Set total_time. */
-    // thread info contains live time...
-    TIME_VALUE_TO_TIMEVAL(&thread_info_data.user_time, &user_timeval);
-    TIME_VALUE_TO_TIMEVAL(&thread_info_data.system_time, &system_timeval);
-    timeradd(&user_timeval, &system_timeval, &task_timeval);
-
-    // ... task info contains terminated time.
-    TIME_VALUE_TO_TIMEVAL(&task_info_data.user_time, &user_timeval);
-    TIME_VALUE_TO_TIMEVAL(&task_info_data.system_time, &system_timeval);
-    timeradd(&user_timeval, &task_timeval, &task_timeval);
-    timeradd(&system_timeval, &task_timeval, &task_timeval);
-
-    if (gettimeofday(&now, NULL) < 0) {
-       return -1;
-    }
-    jint ncpus      = JVM_ActiveProcessorCount();
-    jlong time      = TIME_VALUE_TO_MICROSECONDS(now) * ncpus;
-    jlong task_time = TIME_VALUE_TO_MICROSECONDS(task_timeval);
-
-    if ((last_task_time == 0) || (last_time == 0)) {
-        // First call, just set the last values.
-        last_task_time = task_time;
-        last_time      = time;
-        // return 0 since we have no data, not -1 which indicates error
-        return 0;
-    }
-
-    jlong task_time_delta = task_time - last_task_time;
-    jlong time_delta      = time - last_time;
-    if (time_delta == 0) {
-        return -1;
-    }
-
-    jdouble cpu = (jdouble) task_time_delta / time_delta;
-
-    last_task_time = task_time;
-    last_time      = time;
-
-    return cpu;
- }