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提交 28bfe34a 编写于 作者: J jmasa
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6771742: Remove duplicate files from G1 merge 

Summary: Remove duplicate files and add includeDB_gc_g1 file in windows Makefile
Reviewed-by: jcoomes, ysr
上级 5ee7f6f4
隐藏空白更改
内联 并排
Showing with 2 addition and 482 deletion
make/windows/projectfiles/common/Makefile
浏览文件 @ 28bfe34a
......@@ -56,7 +56,8 @@ IncludeDBs_gc=$(HOTSPOTWORKSPACE)/src/share/vm/includeDB_gc_parallel \
$(HOTSPOTWORKSPACE)/src/share/vm/gc_implementation/includeDB_gc_shared \
$(HOTSPOTWORKSPACE)/src/share/vm/gc_implementation/includeDB_gc_parNew \
$(HOTSPOTWORKSPACE)/src/share/vm/gc_implementation/includeDB_gc_parallelScavenge \
$(HOTSPOTWORKSPACE)/src/share/vm/gc_implementation/includeDB_gc_concurrentMarkSweep
$(HOTSPOTWORKSPACE)/src/share/vm/gc_implementation/includeDB_gc_concurrentMarkSweep \
$(HOTSPOTWORKSPACE)/src/share/vm/gc_implementation/includeDB_gc_g1
IncludeDBs_kernel =$(IncludeDBs_base) \
......
src/share/vm/gc_implementation/concurrentMarkSweep/concurrentGCThread.cpp 已删除 100644 → 0
浏览文件 @ 5ee7f6f4
/*
* Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
// CopyrightVersion 1.2
# include "incls/_precompiled.incl"
# include "incls/_concurrentGCThread.cpp.incl"
bool ConcurrentGCThread::_should_terminate = false;
bool ConcurrentGCThread::_has_terminated = false;
int ConcurrentGCThread::_CGC_flag = CGC_nil;
SuspendibleThreadSet ConcurrentGCThread::_sts;
ConcurrentGCThread::ConcurrentGCThread() {
_sts.initialize();
};
void ConcurrentGCThread::stopWorldAndDo(VoidClosure* op) {
MutexLockerEx x(Heap_lock,
Mutex::_no_safepoint_check_flag);
// warning("CGC: about to try stopping world");
SafepointSynchronize::begin();
// warning("CGC: successfully stopped world");
op->do_void();
SafepointSynchronize::end();
// warning("CGC: successfully restarted world");
}
void ConcurrentGCThread::safepoint_synchronize() {
_sts.suspend_all();
}
void ConcurrentGCThread::safepoint_desynchronize() {
_sts.resume_all();
}
void ConcurrentGCThread::create_and_start() {
if (os::create_thread(this, os::cgc_thread)) {
// XXX: need to set this to low priority
// unless "agressive mode" set; priority
// should be just less than that of VMThread.
os::set_priority(this, NearMaxPriority);
if (!_should_terminate && !DisableStartThread) {
os::start_thread(this);
}
}
}
void ConcurrentGCThread::initialize_in_thread() {
this->record_stack_base_and_size();
this->initialize_thread_local_storage();
this->set_active_handles(JNIHandleBlock::allocate_block());
// From this time Thread::current() should be working.
assert(this == Thread::current(), "just checking");
}
void ConcurrentGCThread::wait_for_universe_init() {
MutexLockerEx x(CGC_lock, Mutex::_no_safepoint_check_flag);
while (!is_init_completed() && !_should_terminate) {
CGC_lock->wait(Mutex::_no_safepoint_check_flag, 200);
}
}
void ConcurrentGCThread::terminate() {
// Signal that it is terminated
{
MutexLockerEx mu(Terminator_lock,
Mutex::_no_safepoint_check_flag);
_has_terminated = true;
Terminator_lock->notify();
}
// Thread destructor usually does this..
ThreadLocalStorage::set_thread(NULL);
}
void SuspendibleThreadSet::initialize_work() {
MutexLocker x(STS_init_lock);
if (!_initialized) {
_m = new Monitor(Mutex::leaf,
"SuspendibleThreadSetLock", true);
_async = 0;
_async_stop = false;
_async_stopped = 0;
_initialized = true;
}
}
void SuspendibleThreadSet::join() {
initialize();
MutexLockerEx x(_m, Mutex::_no_safepoint_check_flag);
while (_async_stop) _m->wait(Mutex::_no_safepoint_check_flag);
_async++;
assert(_async > 0, "Huh.");
}
void SuspendibleThreadSet::leave() {
assert(_initialized, "Must be initialized.");
MutexLockerEx x(_m, Mutex::_no_safepoint_check_flag);
_async--;
assert(_async >= 0, "Huh.");
if (_async_stop) _m->notify_all();
}
void SuspendibleThreadSet::yield(const char* id) {
assert(_initialized, "Must be initialized.");
if (_async_stop) {
MutexLockerEx x(_m, Mutex::_no_safepoint_check_flag);
if (_async_stop) {
_async_stopped++;
assert(_async_stopped > 0, "Huh.");
if (_async_stopped == _async) {
if (ConcGCYieldTimeout > 0) {
double now = os::elapsedTime();
guarantee((now - _suspend_all_start) * 1000.0 <
(double)ConcGCYieldTimeout,
"Long delay; whodunit?");
}
}
_m->notify_all();
while (_async_stop) _m->wait(Mutex::_no_safepoint_check_flag);
_async_stopped--;
assert(_async >= 0, "Huh");
_m->notify_all();
}
}
}
void SuspendibleThreadSet::suspend_all() {
initialize(); // If necessary.
if (ConcGCYieldTimeout > 0) {
_suspend_all_start = os::elapsedTime();
}
MutexLockerEx x(_m, Mutex::_no_safepoint_check_flag);
assert(!_async_stop, "Only one at a time.");
_async_stop = true;
while (_async_stopped < _async) _m->wait(Mutex::_no_safepoint_check_flag);
}
void SuspendibleThreadSet::resume_all() {
assert(_initialized, "Must be initialized.");
MutexLockerEx x(_m, Mutex::_no_safepoint_check_flag);
assert(_async_stopped == _async, "Huh.");
_async_stop = false;
_m->notify_all();
}
static void _sltLoop(JavaThread* thread, TRAPS) {
SurrogateLockerThread* slt = (SurrogateLockerThread*)thread;
slt->loop();
}
SurrogateLockerThread::SurrogateLockerThread() :
JavaThread(&_sltLoop),
_monitor(Mutex::nonleaf, "SLTMonitor"),
_buffer(empty)
{}
SurrogateLockerThread* SurrogateLockerThread::make(TRAPS) {
klassOop k =
SystemDictionary::resolve_or_fail(vmSymbolHandles::java_lang_Thread(),
true, CHECK_NULL);
instanceKlassHandle klass (THREAD, k);
instanceHandle thread_oop = klass->allocate_instance_handle(CHECK_NULL);
const char thread_name[] = "Surrogate Locker Thread (CMS)";
Handle string = java_lang_String::create_from_str(thread_name, CHECK_NULL);
// Initialize thread_oop to put it into the system threadGroup
Handle thread_group (THREAD, Universe::system_thread_group());
JavaValue result(T_VOID);
JavaCalls::call_special(&result, thread_oop,
klass,
vmSymbolHandles::object_initializer_name(),
vmSymbolHandles::threadgroup_string_void_signature(),
thread_group,
string,
CHECK_NULL);
SurrogateLockerThread* res;
{
MutexLocker mu(Threads_lock);
res = new SurrogateLockerThread();
// At this point it may be possible that no osthread was created for the
// JavaThread due to lack of memory. We would have to throw an exception
// in that case. However, since this must work and we do not allow
// exceptions anyway, check and abort if this fails.
if (res == NULL || res->osthread() == NULL) {
vm_exit_during_initialization("java.lang.OutOfMemoryError",
"unable to create new native thread");
}
java_lang_Thread::set_thread(thread_oop(), res);
java_lang_Thread::set_priority(thread_oop(), NearMaxPriority);
java_lang_Thread::set_daemon(thread_oop());
res->set_threadObj(thread_oop());
Threads::add(res);
Thread::start(res);
}
os::yield(); // This seems to help with initial start-up of SLT
return res;
}
void SurrogateLockerThread::manipulatePLL(SLT_msg_type msg) {
MutexLockerEx x(&_monitor, Mutex::_no_safepoint_check_flag);
assert(_buffer == empty, "Should be empty");
assert(msg != empty, "empty message");
_buffer = msg;
while (_buffer != empty) {
_monitor.notify();
_monitor.wait(Mutex::_no_safepoint_check_flag);
}
}
// ======= Surrogate Locker Thread =============
void SurrogateLockerThread::loop() {
BasicLock pll_basic_lock;
SLT_msg_type msg;
debug_only(unsigned int owned = 0;)
while (/* !isTerminated() */ 1) {
{
MutexLocker x(&_monitor);
// Since we are a JavaThread, we can't be here at a safepoint.
assert(!SafepointSynchronize::is_at_safepoint(),
"SLT is a JavaThread");
// wait for msg buffer to become non-empty
while (_buffer == empty) {
_monitor.notify();
_monitor.wait();
}
msg = _buffer;
}
switch(msg) {
case acquirePLL: {
instanceRefKlass::acquire_pending_list_lock(&pll_basic_lock);
debug_only(owned++;)
break;
}
case releaseAndNotifyPLL: {
assert(owned > 0, "Don't have PLL");
instanceRefKlass::release_and_notify_pending_list_lock(&pll_basic_lock);
debug_only(owned--;)
break;
}
case empty:
default: {
guarantee(false,"Unexpected message in _buffer");
break;
}
}
{
MutexLocker x(&_monitor);
// Since we are a JavaThread, we can't be here at a safepoint.
assert(!SafepointSynchronize::is_at_safepoint(),
"SLT is a JavaThread");
_buffer = empty;
_monitor.notify();
}
}
assert(!_monitor.owned_by_self(), "Should unlock before exit.");
}
// ===== STS Access From Outside CGCT =====
void ConcurrentGCThread::stsYield(const char* id) {
assert( Thread::current()->is_ConcurrentGC_thread(),
"only a conc GC thread can call this" );
_sts.yield(id);
}
bool ConcurrentGCThread::stsShouldYield() {
assert( Thread::current()->is_ConcurrentGC_thread(),
"only a conc GC thread can call this" );
return _sts.should_yield();
}
void ConcurrentGCThread::stsJoin() {
assert( Thread::current()->is_ConcurrentGC_thread(),
"only a conc GC thread can call this" );
_sts.join();
}
void ConcurrentGCThread::stsLeave() {
assert( Thread::current()->is_ConcurrentGC_thread(),
"only a conc GC thread can call this" );
_sts.leave();
}
src/share/vm/gc_implementation/concurrentMarkSweep/concurrentGCThread.hpp 已删除 100644 → 0
浏览文件 @ 5ee7f6f4
/*
* Copyright 2001-2005 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
* CA 95054 USA or visit www.sun.com if you need additional information or
* have any questions.
*
*/
class VoidClosure;
// A SuspendibleThreadSet is (obviously) a set of threads that can be
// suspended. A thread can join and later leave the set, and periodically
// yield. If some thread (not in the set) requests, via suspend_all, that
// the threads be suspended, then the requesting thread is blocked until
// all the threads in the set have yielded or left the set. (Threads may
// not enter the set when an attempted suspension is in progress.) The
// suspending thread later calls resume_all, allowing the suspended threads
// to continue.
class SuspendibleThreadSet {
Monitor* _m;
int _async;
bool _async_stop;
int _async_stopped;
bool _initialized;
double _suspend_all_start;
void initialize_work();
public:
SuspendibleThreadSet() : _initialized(false) {}
// Add the current thread to the set. May block if a suspension
// is in progress.
void join();
// Removes the current thread from the set.
void leave();
// Returns "true" iff an suspension is in progress.
bool should_yield() { return _async_stop; }
// Suspends the current thread if a suspension is in progress (for
// the duration of the suspension.)
void yield(const char* id);
// Return when all threads in the set are suspended.
void suspend_all();
// Allow suspended threads to resume.
void resume_all();
// Redundant initializations okay.
void initialize() {
// Double-check dirty read idiom.
if (!_initialized) initialize_work();
}
};
class ConcurrentGCThread: public NamedThread {
friend class VMStructs;
protected:
static bool _should_terminate;
static bool _has_terminated;
enum CGC_flag_type {
CGC_nil = 0x0,
CGC_dont_suspend = 0x1,
CGC_CGC_safepoint = 0x2,
CGC_VM_safepoint = 0x4
};
static int _CGC_flag;
static bool CGC_flag_is_set(int b) { return (_CGC_flag & b) != 0; }
static int set_CGC_flag(int b) { return _CGC_flag |= b; }
static int reset_CGC_flag(int b) { return _CGC_flag &= ~b; }
void stopWorldAndDo(VoidClosure* op);
// All instances share this one set.
static SuspendibleThreadSet _sts;
// Create and start the thread (setting it's priority high.)
void create_and_start();
// Do initialization steps in the thread: record stack base and size,
// init thread local storage, set JNI handle block.
void initialize_in_thread();
// Wait until Universe::is_fully_initialized();
void wait_for_universe_init();
// Record that the current thread is terminating, and will do more
// concurrent work.
void terminate();
public:
// Constructor
ConcurrentGCThread();
~ConcurrentGCThread() {} // Exists to call NamedThread destructor.
// Tester
bool is_ConcurrentGC_thread() const { return true; }
static void safepoint_synchronize();
static void safepoint_desynchronize();
// All overridings should probably do _sts::yield, but we allow
// overriding for distinguished debugging messages. Default is to do
// nothing.
virtual void yield() {}
bool should_yield() { return _sts.should_yield(); }
// they are prefixed by sts since there are already yield() and
// should_yield() (non-static) methods in this class and it was an
// easy way to differentiate them.
static void stsYield(const char* id);
static bool stsShouldYield();
static void stsJoin();
static void stsLeave();
};
// The SurrogateLockerThread is used by concurrent GC threads for
// manipulating Java monitors, in particular, currently for
// manipulating the pending_list_lock. XXX
class SurrogateLockerThread: public JavaThread {
friend class VMStructs;
public:
enum SLT_msg_type {
empty = 0, // no message
acquirePLL, // acquire pending list lock
releaseAndNotifyPLL // notify and release pending list lock
};
private:
// the following are shared with the CMSThread
SLT_msg_type _buffer; // communication buffer
Monitor _monitor; // monitor controlling buffer
BasicLock _basicLock; // used for PLL locking
public:
static SurrogateLockerThread* make(TRAPS);
SurrogateLockerThread();
bool is_hidden_from_external_view() const { return true; }
void loop(); // main method
void manipulatePLL(SLT_msg_type msg);
};
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