148 HANDLE h = (HANDLE)(handleval(env, fdo));
149 LARGE_INTEGER where;
150 DWORD whence;
151
152 if (offset < 0) {
153 where.QuadPart = 0;
154 whence = FILE_CURRENT;
155 } else {
156 where.QuadPart = offset;
157 whence = FILE_BEGIN;
158 }
159
160 result = SetFilePointerEx(h, where, &where, whence);
161 if (result == 0) {
162 JNU_ThrowIOExceptionWithLastError(env, "Seek failed");
163 return IOS_THROWN;
164 }
165 return (jlong)where.QuadPart;
166 }
167
168 JNIEXPORT void JNICALL
169 Java_sun_nio_ch_FileChannelImpl_close0(JNIEnv *env, jobject this, jobject fdo)
170 {
171 HANDLE h = (HANDLE)(handleval(env, fdo));
172 if (h != INVALID_HANDLE_VALUE) {
173 BOOL result = CloseHandle(h);
174 if (result == 0) {
175 JNU_ThrowIOExceptionWithLastError(env, "Close failed");
176 }
177 }
178 }
179
180 JNIEXPORT jlong JNICALL
181 Java_sun_nio_ch_FileChannelImpl_transferTo0(JNIEnv *env, jobject this,
182 jobject srcFD,
183 jlong position, jlong count,
184 jobject dstFD)
185 {
186 const int PACKET_SIZE = 524288;
187
188 HANDLE src = (HANDLE)(handleval(env, srcFD));
189 SOCKET dst = (SOCKET)(fdval(env, dstFD));
190 DWORD chunkSize = (count > java_lang_Integer_MAX_VALUE) ?
191 java_lang_Integer_MAX_VALUE : (DWORD)count;
192 BOOL result = 0;
193
194 jlong pos = Java_sun_nio_ch_FileChannelImpl_position0(env, this, srcFD, position);
195 if (pos == IOS_THROWN) {
196 return IOS_THROWN;
197 }
198
199 result = TransmitFile(
|
148 HANDLE h = (HANDLE)(handleval(env, fdo));
149 LARGE_INTEGER where;
150 DWORD whence;
151
152 if (offset < 0) {
153 where.QuadPart = 0;
154 whence = FILE_CURRENT;
155 } else {
156 where.QuadPart = offset;
157 whence = FILE_BEGIN;
158 }
159
160 result = SetFilePointerEx(h, where, &where, whence);
161 if (result == 0) {
162 JNU_ThrowIOExceptionWithLastError(env, "Seek failed");
163 return IOS_THROWN;
164 }
165 return (jlong)where.QuadPart;
166 }
167
168 JNIEXPORT jlong JNICALL
169 Java_sun_nio_ch_FileChannelImpl_transferTo0(JNIEnv *env, jobject this,
170 jobject srcFD,
171 jlong position, jlong count,
172 jobject dstFD)
173 {
174 const int PACKET_SIZE = 524288;
175
176 HANDLE src = (HANDLE)(handleval(env, srcFD));
177 SOCKET dst = (SOCKET)(fdval(env, dstFD));
178 DWORD chunkSize = (count > java_lang_Integer_MAX_VALUE) ?
179 java_lang_Integer_MAX_VALUE : (DWORD)count;
180 BOOL result = 0;
181
182 jlong pos = Java_sun_nio_ch_FileChannelImpl_position0(env, this, srcFD, position);
183 if (pos == IOS_THROWN) {
184 return IOS_THROWN;
185 }
186
187 result = TransmitFile(
|