18daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes/* 28daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * Copyright (C) 2008 The Android Open Source Project 38daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * 48daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 58daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * you may not use this file except in compliance with the License. 68daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * You may obtain a copy of the License at 78daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * 88daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 98daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * 108daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * Unless required by applicable law or agreed to in writing, software 118daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 128daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 138daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * See the License for the specific language governing permissions and 148daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * limitations under the License. 158daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes */ 168daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 17277ccbd200ea43590dfc06a93ae184a765327ad0Andreas Gampe#include "java_lang_Thread.h" 18277ccbd200ea43590dfc06a93ae184a765327ad0Andreas Gampe 1962d6c772205b8859f0ebf7ad105402ec4c3e2e01Ian Rogers#include "common_throws.h" 208daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes#include "jni_internal.h" 212dd0e2cea360bc9206eb88ecc40d259e796c239dIan Rogers#include "mirror/object.h" 22e431e2758d62cf56f7f347f5a8c9d79e41b6dcd7Steven Moreland#include "monitor.h" 2387583b3de6e811e141f8c97c1f796eb516e8a751Andreas Gampe#include "native_util.h" 24e431e2758d62cf56f7f347f5a8c9d79e41b6dcd7Steven Moreland#include "nativehelper/jni_macros.h" 25373a9b5c718a45ac484afcf4fe6ce84f4bb562b3Andreas Gampe#include "nativehelper/scoped_utf_chars.h" 260795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier#include "scoped_fast_native_object_access-inl.h" 270795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier#include "scoped_thread_state_change-inl.h" 288daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes#include "thread.h" 298daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes#include "thread_list.h" 3090b936ddda63139ff46a6755c3b83ad6e4ab4ac5Andreas Gampe#include "verify_object.h" 318daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 328daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughesnamespace art { 338daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 340512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic jobject Thread_currentThread(JNIEnv* env, jclass) { 351eb512d33f94d1dd7ea38263307ba0f7a0dfa653Ian Rogers ScopedFastNativeObjectAccess soa(env); 36cfaa455374aae0a08c8cb28b5bb306b17866d652Ian Rogers return soa.AddLocalReference<jobject>(soa.Self()->GetPeer()); 378daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 388daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 39365c10235438607541fa2259a5fec48061b90bd8Ian Rogersstatic jboolean Thread_interrupted(JNIEnv* env, jclass) { 4055256cb60e11d4fac71affb4b9760a2931a3598dIan Rogers return static_cast<JNIEnvExt*>(env)->GetSelf()->Interrupted() ? JNI_TRUE : JNI_FALSE; 418daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 428daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 4357aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughesstatic jboolean Thread_isInterrupted(JNIEnv* env, jobject java_thread) { 4453b8b09fc80329539585dcf43657bc5f4ecefdffIan Rogers ScopedFastNativeObjectAccess soa(env); 4550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 4600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread = Thread::FromManagedThread(soa, java_thread); 472cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier return (thread != nullptr) ? thread->IsInterrupted() : JNI_FALSE; 488daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 498daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 5052673ffae0025d86f4023735581f19ebcc477487Ian Rogersstatic void Thread_nativeCreate(JNIEnv* env, jclass, jobject java_thread, jlong stack_size, 5152673ffae0025d86f4023735581f19ebcc477487Ian Rogers jboolean daemon) { 52415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe // There are sections in the zygote that forbid thread creation. 53415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe Runtime* runtime = Runtime::Current(); 54415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe if (runtime->IsZygote() && runtime->IsZygoteNoThreadSection()) { 55415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe jclass internal_error = env->FindClass("java/lang/InternalError"); 56415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe CHECK(internal_error != nullptr); 57415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe env->ThrowNew(internal_error, "Cannot create threads in zygote"); 58415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe return; 59415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe } 60415d8070e37c20dfb7e6dc37e74fdb5fffc2022eAndreas Gampe 6152673ffae0025d86f4023735581f19ebcc477487Ian Rogers Thread::CreateNativeThread(env, java_thread, stack_size, daemon == JNI_TRUE); 628daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 638daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 6457aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughesstatic jint Thread_nativeGetStatus(JNIEnv* env, jobject java_thread, jboolean has_been_started) { 65cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes // Ordinals from Java's Thread.State. 66cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes const jint kJavaNew = 0; 67cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes const jint kJavaRunnable = 1; 68cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes const jint kJavaBlocked = 2; 69cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes const jint kJavaWaiting = 3; 70cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes const jint kJavaTimedWaiting = 4; 71cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes const jint kJavaTerminated = 5; 72cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes 7300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 7457aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughes ThreadState internal_thread_state = (has_been_started ? kTerminated : kStarting); 7550b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 7600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread = Thread::FromManagedThread(soa, java_thread); 772cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (thread != nullptr) { 78cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes internal_thread_state = thread->GetState(); 79cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes } 80cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes switch (internal_thread_state) { 8100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kTerminated: return kJavaTerminated; 8200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kRunnable: return kJavaRunnable; 8300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kTimedWaiting: return kJavaTimedWaiting; 844cd121ef0cb35fced70c7d9de378277be7a727d9Elliott Hughes case kSleeping: return kJavaTimedWaiting; 8500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kBlocked: return kJavaBlocked; 8600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaiting: return kJavaWaiting; 8700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kStarting: return kJavaNew; 8800f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kNative: return kJavaRunnable; 8977fee87b262e969b29a9ac121a8bcbf87b68d9ceAlex Light case kWaitingForTaskProcessor: return kJavaWaiting; 9077fee87b262e969b29a9ac121a8bcbf87b68d9ceAlex Light case kWaitingForLockInflation: return kJavaWaiting; 9100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingForGcToComplete: return kJavaWaiting; 9200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingPerformingGc: return kJavaWaiting; 931d54e73444e017d3a65234e0f193846f3e27472bIan Rogers case kWaitingForCheckPointsToRun: return kJavaWaiting; 9400f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingForDebuggerSend: return kJavaWaiting; 9500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingForDebuggerToAttach: return kJavaWaiting; 9600f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingInMainDebuggerLoop: return kJavaWaiting; 9700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingForDebuggerSuspension: return kJavaWaiting; 98138dbfc3336e379d74d157086f69a0fbe830089bSebastien Hertz case kWaitingForDeoptimization: return kJavaWaiting; 99b43390cb87eace4a017f672d66cfb20fb9e76aa1Mathieu Chartier case kWaitingForGetObjectsAllocated: return kJavaWaiting; 10000f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingForJniOnLoad: return kJavaWaiting; 10100f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingForSignalCatcherOutput: return kJavaWaiting; 10200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kWaitingInMainSignalCatcherLoop: return kJavaWaiting; 103bae182cbc6adc8796154162a87fc54ae804e0469Sebastien Hertz case kWaitingForMethodTracingStart: return kJavaWaiting; 1040c8c303c20cdaaf54d26e45cc17dc5afb820d8efHiroshi Yamauchi case kWaitingForVisitObjects: return kJavaWaiting; 1052ddc6bf88a1c49ebc78bf35b46d486078fe9051aHiroshi Yamauchi case kWaitingWeakGcRootRead: return kJavaRunnable; 10676f55b030d2517d434f227bee2363c3fb760e5c6Hiroshi Yamauchi case kWaitingForGcThreadFlip: return kJavaWaiting; 10700f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers case kSuspended: return kJavaRunnable; 108cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes // Don't add a 'default' here so the compiler can spot incompatible enum changes. 1098e4aac52962d54cb4be2078b9cd95685e067133aElliott Hughes } 1100ec77d6df72ad9c352e23d8a2257530328f64a4bIan Rogers LOG(ERROR) << "Unexpected thread state: " << internal_thread_state; 1117934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom return -1; // Unreachable. 1128daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 1138daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 11457aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughesstatic jboolean Thread_nativeHoldsLock(JNIEnv* env, jobject java_thread, jobject java_object) { 11500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 1160795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier ObjPtr<mirror::Object> object = soa.Decode<mirror::Object>(java_object); 1172cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (object == nullptr) { 1180aa50ce2fb75bfc2e815a0c33adf9b049561923bNicolas Geoffray ThrowNullPointerException("object == null"); 1195f79133a435ebcb20000370d56046fe01201dd80Elliott Hughes return JNI_FALSE; 1205f79133a435ebcb20000370d56046fe01201dd80Elliott Hughes } 12150b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 12200f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread = Thread::FromManagedThread(soa, java_thread); 1231cc62e4ea24828fdb3f3da0b8603f0b107d09a04Mathieu Chartier return thread->HoldsLock(object.Ptr()); 1248daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 1258daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 12657aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughesstatic void Thread_nativeInterrupt(JNIEnv* env, jobject java_thread) { 127dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers ScopedFastNativeObjectAccess soa(env); 12881d425b0b232962441616f8b14f73620bffef5e5Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 12900f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread = Thread::FromManagedThread(soa, java_thread); 1302cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (thread != nullptr) { 131dd7624d2b9e599d57762d12031b10b89defc9807Ian Rogers thread->Interrupt(soa.Self()); 1325f79133a435ebcb20000370d56046fe01201dd80Elliott Hughes } 1338daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 1348daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 13515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogersstatic void Thread_nativeSetName(JNIEnv* env, jobject peer, jstring java_name) { 13657aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughes ScopedUtfChars name(env, java_name); 13715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers { 13815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers ScopedObjectAccess soa(env); 1390795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier if (soa.Decode<mirror::Object>(peer) == soa.Self()->GetPeer()) { 140dbe6f4613ae0161b169f4fca8a616b0b393370abMathieu Chartier soa.Self()->SetThreadName(name.c_str()); 14115bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers return; 14215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 14315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 14415bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // Suspend thread to avoid it from killing itself while we set its name. We don't just hold the 14515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // thread list lock to avoid this, as setting the thread name causes mutator to lock/unlock 14615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers // in the DDMS send code. 147ba32de47e32f436d7c11cb4a2e78bdd4ad4dc5d2Brian Carlstrom ThreadList* thread_list = Runtime::Current()->GetThreadList(); 148f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes bool timed_out; 149f3d874c60ee3ada19ce26a5c4e532312b6f3a9e9Ian Rogers // Take suspend thread lock to avoid races with threads trying to suspend this one. 15046f9340f2a055a8fdfebbfbb739c697c20d83e7cAlex Light Thread* thread = thread_list->SuspendThreadByPeer(peer, 15146f9340f2a055a8fdfebbfbb739c697c20d83e7cAlex Light /* request_suspension */ true, 15246f9340f2a055a8fdfebbfbb739c697c20d83e7cAlex Light SuspendReason::kInternal, 15346f9340f2a055a8fdfebbfbb739c697c20d83e7cAlex Light &timed_out); 1542cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (thread != nullptr) { 15515bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers { 15615bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers ScopedObjectAccess soa(env); 15715bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers thread->SetThreadName(name.c_str()); 15815bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers } 15988fd720b6799184c8ad61e766a6d37af33ed30efAlex Light bool resumed = thread_list->Resume(thread, SuspendReason::kInternal); 16088fd720b6799184c8ad61e766a6d37af33ed30efAlex Light DCHECK(resumed); 161f327e07b37e349b1ec5eaad6dc294a9b7a081d20Elliott Hughes } else if (timed_out) { 16215bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers LOG(ERROR) << "Trying to set thread name to '" << name.c_str() << "' failed as the thread " 16315bf2d34efa2218e287b584fb3653d268b9edc8dIan Rogers "failed to suspend within a generous timeout."; 164899e789bd4741c0172268f7838ce8ab220a5f916Elliott Hughes } 1658daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 1668daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 1678daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes/* 16857aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughes * Alter the priority of the specified thread. "new_priority" will range 1698daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * from Thread.MIN_PRIORITY to Thread.MAX_PRIORITY (1-10), with "normal" 1708daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * threads at Thread.NORM_PRIORITY (5). 1718daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes */ 17257aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughesstatic void Thread_nativeSetPriority(JNIEnv* env, jobject java_thread, jint new_priority) { 17300f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers ScopedObjectAccess soa(env); 17450b35e2fd1a68cd1240e4a9d9f363e11764957d1Ian Rogers MutexLock mu(soa.Self(), *Locks::thread_list_lock_); 17500f7d0eaa6bd93d33bf0c1429bf4ba0b3f28abacIan Rogers Thread* thread = Thread::FromManagedThread(soa, java_thread); 1762cebb24bfc3247d3e9be138a3350106737455918Mathieu Chartier if (thread != nullptr) { 17757aba86f29d7e795bf7e68c65cc464d2291b6af1Elliott Hughes thread->SetNativePriority(new_priority); 178d369bb76dee0df2d2a106e9bf7f4e6446ed6deaaElliott Hughes } 1798daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 1808daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 1814cd121ef0cb35fced70c7d9de378277be7a727d9Elliott Hughesstatic void Thread_sleep(JNIEnv* env, jclass, jobject java_lock, jlong ms, jint ns) { 1821eb512d33f94d1dd7ea38263307ba0f7a0dfa653Ian Rogers ScopedFastNativeObjectAccess soa(env); 1830795f23920ee9aabf28e45c63cd592dcccf00216Mathieu Chartier ObjPtr<mirror::Object> lock = soa.Decode<mirror::Object>(java_lock); 1841cc62e4ea24828fdb3f3da0b8603f0b107d09a04Mathieu Chartier Monitor::Wait(Thread::Current(), lock.Ptr(), ms, ns, true, kSleeping); 1854cd121ef0cb35fced70c7d9de378277be7a727d9Elliott Hughes} 1864cd121ef0cb35fced70c7d9de378277be7a727d9Elliott Hughes 1878daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes/* 1888daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * Causes the thread to temporarily pause and allow other threads to execute. 1898daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * 1908daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * The exact behavior is poorly defined. Some discussion here: 1918daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes * http://www.cs.umd.edu/~pugh/java/memoryModel/archive/0944.html 1928daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes */ 1930512f02dd6623c0870c11fbf3274d7462f732136Elliott Hughesstatic void Thread_yield(JNIEnv*, jobject) { 1948daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes sched_yield(); 1958daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 1968daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 1978daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughesstatic JNINativeMethod gMethods[] = { 1983b6f440dbd066f03a737da6d292074f47b3fbc29Igor Murashkin FAST_NATIVE_METHOD(Thread, currentThread, "()Ljava/lang/Thread;"), 1993b6f440dbd066f03a737da6d292074f47b3fbc29Igor Murashkin FAST_NATIVE_METHOD(Thread, interrupted, "()Z"), 2003b6f440dbd066f03a737da6d292074f47b3fbc29Igor Murashkin FAST_NATIVE_METHOD(Thread, isInterrupted, "()Z"), 20152673ffae0025d86f4023735581f19ebcc477487Ian Rogers NATIVE_METHOD(Thread, nativeCreate, "(Ljava/lang/Thread;JZ)V"), 202cf2b2d44070de8a3baa2c19ebf3d8cef2ad7fd5bElliott Hughes NATIVE_METHOD(Thread, nativeGetStatus, "(Z)I"), 2038daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes NATIVE_METHOD(Thread, nativeHoldsLock, "(Ljava/lang/Object;)Z"), 2043b6f440dbd066f03a737da6d292074f47b3fbc29Igor Murashkin FAST_NATIVE_METHOD(Thread, nativeInterrupt, "()V"), 2058daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes NATIVE_METHOD(Thread, nativeSetName, "(Ljava/lang/String;)V"), 2068daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes NATIVE_METHOD(Thread, nativeSetPriority, "(I)V"), 2073b6f440dbd066f03a737da6d292074f47b3fbc29Igor Murashkin FAST_NATIVE_METHOD(Thread, sleep, "(Ljava/lang/Object;JI)V"), 2088daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes NATIVE_METHOD(Thread, yield, "()V"), 2098daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes}; 2108daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 2118daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughesvoid register_java_lang_Thread(JNIEnv* env) { 212eac766769e3114a078c188ea26776a81f0edb3cfElliott Hughes REGISTER_NATIVE_METHODS("java/lang/Thread"); 2138daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} 2148daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes 2158daa0929f08a3080ea64dbd4e997e72f411e6fc9Elliott Hughes} // namespace art 216