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comparison src/share/vm/utilities/taskqueue.cpp @ 1833:8b10f48633dc

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6984287: Regularize how GC parallel workers are specified. Summary: Associate number of GC workers with the workgang as opposed to the task. Reviewed-by: johnc, ysr
author jmasa
date Mon, 20 Sep 2010 14:38:38 -0700
parents 5f429ee79634
children f95d63e2154a
comparison
equal deleted inserted replaced
1781:97fbf5beff7b 1833:8b10f48633dc
142 os::sleep(Thread::current(), millis, false); 142 os::sleep(Thread::current(), millis, false);
143 } 143 }
144 144
145 bool 145 bool
146 ParallelTaskTerminator::offer_termination(TerminatorTerminator* terminator) { 146 ParallelTaskTerminator::offer_termination(TerminatorTerminator* terminator) {
147 assert(_n_threads > 0, "Initialization is incorrect");
147 assert(_offered_termination < _n_threads, "Invariant"); 148 assert(_offered_termination < _n_threads, "Invariant");
148 Atomic::inc(&_offered_termination); 149 Atomic::inc(&_offered_termination);
149 150
150 uint yield_count = 0; 151 uint yield_count = 0;
151 // Number of hard spin loops done since last yield 152 // Number of hard spin loops done since last yield
253 bool ObjArrayTask::is_valid() const { 254 bool ObjArrayTask::is_valid() const {
254 return _obj != NULL && _obj->is_objArray() && _index > 0 && 255 return _obj != NULL && _obj->is_objArray() && _index > 0 &&
255 _index < objArrayOop(_obj)->length(); 256 _index < objArrayOop(_obj)->length();
256 } 257 }
257 #endif // ASSERT 258 #endif // ASSERT
259
260 void ParallelTaskTerminator::reset_for_reuse(int n_threads) {
261 reset_for_reuse();
262 _n_threads = n_threads;
263 }
264