jdk/src/windows/npt/npt_md.h
changeset 2 90ce3da70b43
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0:fd16c54261b3 2:90ce3da70b43
       
     1 /*
       
     2  * Copyright 2004-2005 Sun Microsystems, Inc.  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.  Sun designates this
       
     8  * particular file as subject to the "Classpath" exception as provided
       
     9  * by Sun in the LICENSE file that accompanied this code.
       
    10  *
       
    11  * This code is distributed in the hope that it will be useful, but WITHOUT
       
    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
       
    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
       
    14  * version 2 for more details (a copy is included in the LICENSE file that
       
    15  * accompanied this code).
       
    16  *
       
    17  * You should have received a copy of the GNU General Public License version
       
    18  * 2 along with this work; if not, write to the Free Software Foundation,
       
    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
       
    20  *
       
    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
       
    22  * CA 95054 USA or visit www.sun.com if you need additional information or
       
    23  * have any questions.
       
    24  */
       
    25 
       
    26 /* Native Platform Toolkit */
       
    27 
       
    28 #ifndef  _NPT_MD_H
       
    29 #define _NPT_MD_H
       
    30 
       
    31 #include <windows.h>
       
    32 #include <stdio.h>
       
    33 #include <string.h>
       
    34 #include <errno.h>
       
    35 
       
    36 #define NPT_LIBNAME "npt.dll"
       
    37 
       
    38 #define NPT_INITIALIZE(pnpt,version,options)                            \
       
    39     {                                                                   \
       
    40         HINSTANCE jvm;                                                  \
       
    41         void   *_handle;                                                \
       
    42         void   *_sym;                                                   \
       
    43         char    buf[FILENAME_MAX+32];                                   \
       
    44         char   *lastSlash;                                              \
       
    45                                                                         \
       
    46         if ( (pnpt) == NULL ) NPT_ERROR("NptEnv* is NULL");             \
       
    47         _handle =  NULL;                                                \
       
    48         *(pnpt) = NULL;                                                 \
       
    49         buf[0] = 0;                                                     \
       
    50         jvm = LoadLibrary("jvm.dll");                                   \
       
    51         if ( jvm == NULL ) NPT_ERROR("Cannot find jvm.dll");            \
       
    52         GetModuleFileName(jvm, buf, FILENAME_MAX);                      \
       
    53         lastSlash = strrchr(buf, '\\');                                 \
       
    54         if ( lastSlash != NULL ) {                                      \
       
    55             *lastSlash = '\0';                                          \
       
    56             (void)strcat(buf, "\\..\\");                                \
       
    57             (void)strcat(buf, NPT_LIBNAME);                             \
       
    58             _handle =  LoadLibrary(buf);                                \
       
    59         }                                                               \
       
    60         if ( _handle == NULL ) NPT_ERROR("Cannot open library");        \
       
    61         _sym = GetProcAddress(_handle, "nptInitialize");                \
       
    62         if ( _sym == NULL ) NPT_ERROR("Cannot find nptInitialize");     \
       
    63         ((NptInitialize)_sym)((pnpt), version, (options));              \
       
    64         if ( *(pnpt) == NULL ) NPT_ERROR("Cannot initialize NptEnv");   \
       
    65         (*(pnpt))->libhandle = _handle;                                 \
       
    66     }
       
    67 
       
    68 #define NPT_TERMINATE(npt,options)                                      \
       
    69     {                                                                   \
       
    70         void *_handle;                                                  \
       
    71         void *_sym;                                                     \
       
    72                                                                         \
       
    73         if ( (npt) == NULL ) NPT_ERROR("NptEnv* is NULL");              \
       
    74         _handle = (npt)->libhandle;                                     \
       
    75         if ( _handle == NULL ) NPT_ERROR("npt->libhandle is NULL");     \
       
    76         _sym = GetProcAddress(_handle, "nptTerminate");                 \
       
    77         if ( _sym == NULL ) NPT_ERROR("Cannot find nptTerminate");      \
       
    78         ((NptTerminate)_sym)((npt), (options));                         \
       
    79         (void)FreeLibrary(_handle);                                     \
       
    80     }
       
    81 
       
    82 #endif