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 "gc_implementation/shared/suspendibleThreadSet.hpp"
27 #include "runtime/mutexLocker.hpp"
28 #include "runtime/thread.inline.hpp"
29
30 uint SuspendibleThreadSet::_nthreads = 0;
31 uint SuspendibleThreadSet::_nthreads_stopped = 0;
32 bool SuspendibleThreadSet::_suspend_all = false;
33 double SuspendibleThreadSet::_suspend_all_start = 0.0;
34
35 void SuspendibleThreadSet::join() {
36 assert(!Thread::current()->is_suspendible_thread(), "Thread already joined");
37 MonitorLockerEx ml(STS_lock, Mutex::_no_safepoint_check_flag);
38 while (_suspend_all) {
39 ml.wait(Mutex::_no_safepoint_check_flag);
40 }
41 _nthreads++;
42 DEBUG_ONLY(Thread::current()->set_suspendible_thread();)
43 }
44
45 void SuspendibleThreadSet::leave() {
46 assert(Thread::current()->is_suspendible_thread(), "Thread not joined");
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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 "gc/g1/suspendibleThreadSet.hpp"
27 #include "runtime/mutexLocker.hpp"
28 #include "runtime/thread.inline.hpp"
29
30 uint SuspendibleThreadSet::_nthreads = 0;
31 uint SuspendibleThreadSet::_nthreads_stopped = 0;
32 bool SuspendibleThreadSet::_suspend_all = false;
33 double SuspendibleThreadSet::_suspend_all_start = 0.0;
34
35 void SuspendibleThreadSet::join() {
36 assert(!Thread::current()->is_suspendible_thread(), "Thread already joined");
37 MonitorLockerEx ml(STS_lock, Mutex::_no_safepoint_check_flag);
38 while (_suspend_all) {
39 ml.wait(Mutex::_no_safepoint_check_flag);
40 }
41 _nthreads++;
42 DEBUG_ONLY(Thread::current()->set_suspendible_thread();)
43 }
44
45 void SuspendibleThreadSet::leave() {
46 assert(Thread::current()->is_suspendible_thread(), "Thread not joined");
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