hotspot/agent/src/os/win32/toolHelp.cpp
changeset 10864 17307b96ae38
parent 10779 5037da29fa26
parent 10762 cc1f5ce8e504
child 10865 7f8dd1713604
equal deleted inserted replaced
10779:5037da29fa26 10864:17307b96ae38
     1 /*
       
     2  * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.
       
     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
       
     4  *
       
     5  * This code is free software; you can redistribute it and/or modify it
       
     6  * under the terms of the GNU General Public License version 2 only, as
       
     7  * published by the Free Software Foundation.
       
     8  *
       
     9  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    12  * version 2 for more details (a copy is included in the LICENSE file that
       
    13  * accompanied this code).
       
    14  *
       
    15  * You should have received a copy of the GNU General Public License version
       
    16  * 2 along with this work; if not, write to the Free Software Foundation,
       
    17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    18  *
       
    19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
       
    20  * or visit www.oracle.com if you need additional information or have any
       
    21  * questions.
       
    22  *
       
    23  */
       
    24 
       
    25 #include "toolHelp.hpp"
       
    26 #include <assert.h>
       
    27 
       
    28 namespace ToolHelp {
       
    29 
       
    30 static HMODULE kernelDLL = NULL;
       
    31 
       
    32 HMODULE loadDLL() {
       
    33   if (kernelDLL == NULL) {
       
    34     kernelDLL = LoadLibrary("KERNEL32.DLL");
       
    35   }
       
    36 
       
    37   assert(kernelDLL != NULL);
       
    38   return kernelDLL;
       
    39 }
       
    40 
       
    41 void unloadDLL() {
       
    42   if (kernelDLL != NULL) {
       
    43     FreeLibrary(kernelDLL);
       
    44     kernelDLL = NULL;
       
    45   }
       
    46 }
       
    47 
       
    48 } // namespace ToolHelp