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comparison src/share/vm/runtime/thread.cpp @ 3696:dc7902820c9b

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Make NMethodSweeper work on any JavaThread
author Gilles Duboscq <gilles.m.duboscq@gmail.com>
date Thu, 24 Nov 2011 17:24:43 +0100
parents 0e8a2a629afb
children 04b9a2566eec
comparison
equal deleted inserted replaced
3693:60d31b1fada5 3696:dc7902820c9b
1290 _blocked_on_compilation = false; 1290 _blocked_on_compilation = false;
1291 _jni_active_critical = 0; 1291 _jni_active_critical = 0;
1292 _do_not_unlock_if_synchronized = false; 1292 _do_not_unlock_if_synchronized = false;
1293 _cached_monitor_info = NULL; 1293 _cached_monitor_info = NULL;
1294 _parker = Parker::Allocate(this) ; 1294 _parker = Parker::Allocate(this) ;
1295 _scanned_nmethod = NULL;
1295 1296
1296 #ifndef PRODUCT 1297 #ifndef PRODUCT
1297 _jmp_ring_index = 0; 1298 _jmp_ring_index = 0;
1298 for (int ji = 0 ; ji < jump_ring_buffer_size ; ji++ ) { 1299 for (int ji = 0 ; ji < jump_ring_buffer_size ; ji++ ) {
1299 record_jump(NULL, NULL, NULL, 0); 1300 record_jump(NULL, NULL, NULL, 0);
2556 f->do_oop((oop*) &_pending_async_exception); 2557 f->do_oop((oop*) &_pending_async_exception);
2557 2558
2558 if (jvmti_thread_state() != NULL) { 2559 if (jvmti_thread_state() != NULL) {
2559 jvmti_thread_state()->oops_do(f); 2560 jvmti_thread_state()->oops_do(f);
2560 } 2561 }
2562
2563 if (_scanned_nmethod != NULL && cf != NULL) {
2564 // Safepoints can occur when the sweeper is scanning an nmethod so
2565 // process it here to make sure it isn't unloaded in the middle of
2566 // a scan.
2567 cf->do_code_blob(_scanned_nmethod);
2568 }
2561 } 2569 }
2562 2570
2563 void JavaThread::nmethods_do(CodeBlobClosure* cf) { 2571 void JavaThread::nmethods_do(CodeBlobClosure* cf) {
2564 Thread::nmethods_do(cf); // (super method is a no-op) 2572 Thread::nmethods_do(cf); // (super method is a no-op)
2565 2573
2946 : JavaThread(&compiler_thread_entry) { 2954 : JavaThread(&compiler_thread_entry) {
2947 _log = NULL; 2955 _log = NULL;
2948 _task = NULL; 2956 _task = NULL;
2949 _queue = queue; 2957 _queue = queue;
2950 _counters = counters; 2958 _counters = counters;
2951 _scanned_nmethod = NULL;
2952 2959
2953 #ifndef PRODUCT 2960 #ifndef PRODUCT
2954 _ideal_graph_printer = NULL; 2961 _ideal_graph_printer = NULL;
2955 #endif 2962 #endif
2956 }
2957
2958 void CompilerThread::oops_do(OopClosure* f, CodeBlobClosure* cf) {
2959 JavaThread::oops_do(f, cf);
2960 if (_scanned_nmethod != NULL && cf != NULL) {
2961 // Safepoints can occur when the sweeper is scanning an nmethod so
2962 // process it here to make sure it isn't unloaded in the middle of
2963 // a scan.
2964 cf->do_code_blob(_scanned_nmethod);
2965 }
2966 } 2963 }
2967 2964
2968 // ======= Threads ======== 2965 // ======= Threads ========
2969 2966
2970 // The Threads class links together all active threads, and provides 2967 // The Threads class links together all active threads, and provides