6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.misc;
27
28 import java.util.concurrent.locks.ReentrantLock;
29
30 /**
31 * This class is used to prevent multiple calling of g_thread_init ()
32 * and gdk_thread_init ().
33 *
34 * Since version 2.24 of GLib, calling g_thread_init () multiple times is
35 * allowed, but it will crash for older versions. There are two ways to
36 * find out if g_thread_init () has been called:
37 * g_thread_get_initialized (), but it was introduced in 2.20
38 * g_thread_supported (), but it is a macro and cannot be loaded with dlsym.
39 *
40 * usage:
41 * <pre>
42 * lock();
43 * try {
44 * if (!getAndSetInitializationNeededFlag()) {
45 * //call to g_thread_init();
46 * //call to gdk_thread_init();
|
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.awt;
27
28 import java.util.concurrent.locks.ReentrantLock;
29
30 /**
31 * This class is used to prevent multiple calling of g_thread_init ()
32 * and gdk_thread_init ().
33 *
34 * Since version 2.24 of GLib, calling g_thread_init () multiple times is
35 * allowed, but it will crash for older versions. There are two ways to
36 * find out if g_thread_init () has been called:
37 * g_thread_get_initialized (), but it was introduced in 2.20
38 * g_thread_supported (), but it is a macro and cannot be loaded with dlsym.
39 *
40 * usage:
41 * <pre>
42 * lock();
43 * try {
44 * if (!getAndSetInitializationNeededFlag()) {
45 * //call to g_thread_init();
46 * //call to gdk_thread_init();
|