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 "compiler/compileTask.hpp"
27 #include "compiler/compileLog.hpp"
28 #include "compiler/compileBroker.hpp"
29 #include "compiler/compilerDirectives.hpp"
30 #include "logging/log.hpp"
31 #include "logging/logStream.hpp"
32 #include "memory/resourceArea.hpp"
33 #include "runtime/handles.inline.hpp"
34
35 CompileTask* CompileTask::_task_free_list = NULL;
36 #ifdef ASSERT
37 int CompileTask::_num_allocated_tasks = 0;
38 #endif
39
40 /**
41 * Allocate a CompileTask, from the free list if possible.
42 */
43 CompileTask* CompileTask::allocate() {
44 MutexLocker locker(CompileTaskAlloc_lock);
45 CompileTask* task = NULL;
46
47 if (_task_free_list != NULL) {
48 task = _task_free_list;
49 _task_free_list = task->next();
50 task->set_next(NULL);
51 } else {
52 task = new CompileTask();
53 DEBUG_ONLY(_num_allocated_tasks++;)
54 assert (WhiteBoxAPI || JVMCI_ONLY(UseJVMCICompiler ||) _num_allocated_tasks < 10000, "Leaking compilation tasks?");
55 task->set_next(NULL);
56 task->set_is_free(true);
57 }
58 assert(task->is_free(), "Task must be free.");
59 task->set_is_free(false);
60 return task;
61 }
62
63 /**
64 * Add a task to the free list.
65 */
66 void CompileTask::free(CompileTask* task) {
67 MutexLocker locker(CompileTaskAlloc_lock);
68 if (!task->is_free()) {
69 task->set_code(NULL);
70 assert(!task->lock()->is_locked(), "Should not be locked when freed");
71 if ((task->_method_holder != NULL && JNIHandles::is_weak_global_handle(task->_method_holder)) ||
72 (task->_hot_method_holder != NULL && JNIHandles::is_weak_global_handle(task->_hot_method_holder))) {
73 JNIHandles::destroy_weak_global(task->_method_holder);
74 JNIHandles::destroy_weak_global(task->_hot_method_holder);
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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 "compiler/compileTask.hpp"
27 #include "compiler/compileLog.hpp"
28 #include "compiler/compileBroker.hpp"
29 #include "compiler/compilerDirectives.hpp"
30 #include "logging/log.hpp"
31 #include "logging/logStream.hpp"
32 #include "memory/resourceArea.hpp"
33 #include "runtime/handles.inline.hpp"
34
35 CompileTask* CompileTask::_task_free_list = NULL;
36
37 /**
38 * Allocate a CompileTask, from the free list if possible.
39 */
40 CompileTask* CompileTask::allocate() {
41 MutexLocker locker(CompileTaskAlloc_lock);
42 CompileTask* task = NULL;
43
44 if (_task_free_list != NULL) {
45 task = _task_free_list;
46 _task_free_list = task->next();
47 task->set_next(NULL);
48 } else {
49 task = new CompileTask();
50 task->set_next(NULL);
51 task->set_is_free(true);
52 }
53 assert(task->is_free(), "Task must be free.");
54 task->set_is_free(false);
55 return task;
56 }
57
58 /**
59 * Add a task to the free list.
60 */
61 void CompileTask::free(CompileTask* task) {
62 MutexLocker locker(CompileTaskAlloc_lock);
63 if (!task->is_free()) {
64 task->set_code(NULL);
65 assert(!task->lock()->is_locked(), "Should not be locked when freed");
66 if ((task->_method_holder != NULL && JNIHandles::is_weak_global_handle(task->_method_holder)) ||
67 (task->_hot_method_holder != NULL && JNIHandles::is_weak_global_handle(task->_hot_method_holder))) {
68 JNIHandles::destroy_weak_global(task->_method_holder);
69 JNIHandles::destroy_weak_global(task->_hot_method_holder);
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