bundles/org.eclipse.swt.win32.win32.x86_64/library/os_custom.c

   1 /*******************************************************************************
   2  * Copyright (c) 2000, 2008 IBM Corporation and others.
   3  *
   4  * This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License 2.0
   6  * which accompanies this distribution, and is available at
   7  * https://www.eclipse.org/legal/epl-2.0/
   8  *
   9  * SPDX-License-Identifier: EPL-2.0
  10  *
  11  * Contributors:
  12  *     IBM Corporation - initial API and implementation
  13  *******************************************************************************/
  14
  15 #include "swt.h"
  16 #include "os_structs.h"
  17 #include "os_stats.h"
  18
  19 #define OS_NATIVE(func) Java_org_eclipse_swt_internal_win32_OS_##func
  20
  21 __declspec(dllexport) HRESULT DllGetVersion(DLLVERSIONINFO *dvi);
  22 HRESULT DllGetVersion(DLLVERSIONINFO *dvi)
  23 {
  24         dvi->dwMajorVersion = SWT_VERSION / 1000;
  25         dvi->dwMinorVersion = SWT_VERSION % 1000;
  26     dvi->dwBuildNumber = SWT_REVISION;
  27         dvi->dwPlatformID = DLLVER_PLATFORM_WINDOWS;
  28         return 1;
  29 }
  30
  31 HINSTANCE g_hInstance = NULL;
  32 BOOL WINAPI DllMain(HANDLE hInstDLL, DWORD dwReason, LPVOID lpvReserved)
  33 {
  34         if (dwReason == DLL_PROCESS_ATTACH) {
  35                 if (g_hInstance == NULL) g_hInstance = hInstDLL;
  36         }
  37         return TRUE;
  38 }
  39
  40 #ifndef NO_GetLibraryHandle
  41 JNIEXPORT jintLong JNICALL OS_NATIVE(GetLibraryHandle)
  42         (JNIEnv *env, jclass that)
  43 {
  44         jintLong rc;
  45         OS_NATIVE_ENTER(env, that, GetLibraryHandle_FUNC)
  46         rc = (jintLong)g_hInstance;
  47         OS_NATIVE_EXIT(env, that, GetLibraryHandle_FUNC)
  48         return rc;
  49 }
  50 #endif