1/*
2 * Copyright (C) 2013 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ART_RUNTIME_THREAD_STATE_H_
18#define ART_RUNTIME_THREAD_STATE_H_
19
20#include <ostream>
21
22namespace art {
23
24enum ThreadState {
25  //                                   Thread.State   JDWP state
26  kTerminated = 66,                 // TERMINATED     TS_ZOMBIE    Thread.run has returned, but Thread* still around
27  kRunnable,                        // RUNNABLE       TS_RUNNING   runnable
28  kTimedWaiting,                    // TIMED_WAITING  TS_WAIT      in Object.wait() with a timeout
29  kSleeping,                        // TIMED_WAITING  TS_SLEEPING  in Thread.sleep()
30  kBlocked,                         // BLOCKED        TS_MONITOR   blocked on a monitor
31  kWaiting,                         // WAITING        TS_WAIT      in Object.wait()
32  kWaitingForGcToComplete,          // WAITING        TS_WAIT      blocked waiting for GC
33  kWaitingForCheckPointsToRun,      // WAITING        TS_WAIT      GC waiting for checkpoints to run
34  kWaitingPerformingGc,             // WAITING        TS_WAIT      performing GC
35  kWaitingForDebuggerSend,          // WAITING        TS_WAIT      blocked waiting for events to be sent
36  kWaitingForDebuggerToAttach,      // WAITING        TS_WAIT      blocked waiting for debugger to attach
37  kWaitingInMainDebuggerLoop,       // WAITING        TS_WAIT      blocking/reading/processing debugger events
38  kWaitingForDebuggerSuspension,    // WAITING        TS_WAIT      waiting for debugger suspend all
39  kWaitingForJniOnLoad,             // WAITING        TS_WAIT      waiting for execution of dlopen and JNI on load code
40  kWaitingForSignalCatcherOutput,   // WAITING        TS_WAIT      waiting for signal catcher IO to complete
41  kWaitingInMainSignalCatcherLoop,  // WAITING        TS_WAIT      blocking/reading/processing signals
42  kWaitingForDeoptimization,        // WAITING        TS_WAIT      waiting for deoptimization suspend all
43  kWaitingForMethodTracingStart,    // WAITING        TS_WAIT      waiting for method tracing to start
44  kWaitingForVisitObjects,          // WAITING        TS_WAIT      waiting for visiting objects
45  kWaitingForGetObjectsAllocated,   // WAITING        TS_WAIT      waiting for getting the number of allocated objects
46  kWaitingWeakGcRootRead,           // WAITING        TS_WAIT      waiting on the GC to read a weak root
47  kWaitingForGcThreadFlip,          // WAITING        TS_WAIT      waiting on the GC thread flip (CC collector) to finish
48  kStarting,                        // NEW            TS_WAIT      native thread started, not yet ready to run managed code
49  kNative,                          // RUNNABLE       TS_RUNNING   running in a JNI native method
50  kSuspended,                       // RUNNABLE       TS_RUNNING   suspended by GC or debugger
51};
52std::ostream& operator<<(std::ostream& os, const ThreadState& rhs);
53
54}  // namespace art
55
56#endif  // ART_RUNTIME_THREAD_STATE_H_
57