hotspot/agent/src/os/win32/nt4internals.cpp
changeset 10547 ea4a2ec31ae2
parent 10546 e79347eebbc5
child 10548 25c3d1aaade6
equal deleted inserted replaced
10546:e79347eebbc5 10547:ea4a2ec31ae2
     1 /*
       
     2  * Copyright (c) 2000, 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 "nt4internals.hpp"
       
    26 #include <stdio.h>
       
    27 #include <stdlib.h>
       
    28 #include <assert.h>
       
    29 
       
    30 namespace NT4 {
       
    31 
       
    32 static HMODULE ntDLL = NULL;
       
    33 
       
    34 HMODULE loadNTDLL() {
       
    35   if (ntDLL == NULL) {
       
    36     ntDLL = LoadLibrary("NTDLL.DLL");
       
    37   }
       
    38 
       
    39   assert(ntDLL != NULL);
       
    40   return ntDLL;
       
    41 }
       
    42 
       
    43 void unloadNTDLL() {
       
    44   if (ntDLL != NULL) {
       
    45     FreeLibrary(ntDLL);
       
    46     ntDLL = NULL;
       
    47   }
       
    48 }
       
    49 
       
    50 } // namespace NT4
       
    51 
       
    52 static HMODULE psapiDLL = NULL;
       
    53 
       
    54 HMODULE
       
    55 loadPSAPIDLL() {
       
    56   if (psapiDLL == NULL) {
       
    57     psapiDLL = LoadLibrary("PSAPI.DLL");
       
    58   }
       
    59 
       
    60   if (psapiDLL == NULL) {
       
    61     fprintf(stderr, "Simple Windows Debug Server requires PSAPI.DLL on Windows NT 4.0.\n");
       
    62     fprintf(stderr, "Please install this DLL from the SDK and restart the server.\n");
       
    63     exit(1);
       
    64   }
       
    65 
       
    66   return psapiDLL;
       
    67 }
       
    68 
       
    69 void
       
    70 unloadPSAPIDLL() {
       
    71   if (psapiDLL != NULL) {
       
    72     FreeLibrary(psapiDLL);
       
    73     psapiDLL = NULL;
       
    74   }
       
    75 }