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 "precompiled.hpp"
26 #include "runtime/thread.inline.hpp"
27 #include "runtime/threadCritical.hpp"
28
29 // OS-includes here
30 # include <windows.h>
31 # include <winbase.h>
32
33 //
34 // See threadCritical.hpp for details of this class.
35 //
36
37 static bool initialized = false;
38 static volatile jint lock_count = -1;
39 static HANDLE lock_event;
40 static DWORD lock_owner = -1;
41
42 //
43 // Note that Microsoft's critical region code contains a race
44 // condition, and is not suitable for use. A thread holding the
45 // critical section cannot safely suspend a thread attempting
|
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 "precompiled.hpp"
26 #include "runtime/atomic.inline.hpp"
27 #include "runtime/thread.inline.hpp"
28 #include "runtime/threadCritical.hpp"
29
30 // OS-includes here
31 # include <windows.h>
32 # include <winbase.h>
33
34 //
35 // See threadCritical.hpp for details of this class.
36 //
37
38 static bool initialized = false;
39 static volatile jint lock_count = -1;
40 static HANDLE lock_event;
41 static DWORD lock_owner = -1;
42
43 //
44 // Note that Microsoft's critical region code contains a race
45 // condition, and is not suitable for use. A thread holding the
46 // critical section cannot safely suspend a thread attempting
|