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comparison src/share/vm/runtime/thread.hpp @ 17796:3f3c97187f82

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8032634: Add #ifdef PPC64 around OrderAccess operations on _thread_state. Reviewed-by: dholmes, kvn
author goetz
date Fri, 24 Jan 2014 10:23:34 +0100
parents 3205e78d8193
children 8a9bb7821e28 8847586c9037
comparison
equal deleted inserted replaced
17795:a9becfeecd1b 17796:3f3c97187f82
1031 // Allocates a new Java level thread object for this thread. thread_name may be NULL. 1031 // Allocates a new Java level thread object for this thread. thread_name may be NULL.
1032 void allocate_threadObj(Handle thread_group, char* thread_name, bool daemon, TRAPS); 1032 void allocate_threadObj(Handle thread_group, char* thread_name, bool daemon, TRAPS);
1033 1033
1034 // Last frame anchor routines 1034 // Last frame anchor routines
1035 1035
1036 JavaFrameAnchor* frame_anchor(void) { return &_anchor; } 1036 JavaFrameAnchor* frame_anchor(void) { return &_anchor; }
1037 1037
1038 // last_Java_sp 1038 // last_Java_sp
1039 bool has_last_Java_frame() const { return _anchor.has_last_Java_frame(); } 1039 bool has_last_Java_frame() const { return _anchor.has_last_Java_frame(); }
1040 intptr_t* last_Java_sp() const { return _anchor.last_Java_sp(); } 1040 intptr_t* last_Java_sp() const { return _anchor.last_Java_sp(); }
1041 1041
1042 // last_Java_pc 1042 // last_Java_pc
1043 1043
1044 address last_Java_pc(void) { return _anchor.last_Java_pc(); } 1044 address last_Java_pc(void) { return _anchor.last_Java_pc(); }
1045 1045
1046 // Safepoint support 1046 // Safepoint support
1047 #ifndef PPC64
1048 JavaThreadState thread_state() const { return _thread_state; }
1049 void set_thread_state(JavaThreadState s) { _thread_state = s; }
1050 #else
1047 // Use membars when accessing volatile _thread_state. See 1051 // Use membars when accessing volatile _thread_state. See
1048 // Threads::create_vm() for size checks. 1052 // Threads::create_vm() for size checks.
1049 JavaThreadState thread_state() const { 1053 JavaThreadState thread_state() const {
1050 return (JavaThreadState) OrderAccess::load_acquire((volatile jint*)&_thread_state); 1054 return (JavaThreadState) OrderAccess::load_acquire((volatile jint*)&_thread_state);
1051 } 1055 }
1052 void set_thread_state(JavaThreadState s) { 1056 void set_thread_state(JavaThreadState s) {
1053 OrderAccess::release_store((volatile jint*)&_thread_state, (jint)s); 1057 OrderAccess::release_store((volatile jint*)&_thread_state, (jint)s);
1054 } 1058 }
1055 ThreadSafepointState *safepoint_state() const { return _safepoint_state; } 1059 #endif
1060 ThreadSafepointState *safepoint_state() const { return _safepoint_state; }
1056 void set_safepoint_state(ThreadSafepointState *state) { _safepoint_state = state; } 1061 void set_safepoint_state(ThreadSafepointState *state) { _safepoint_state = state; }
1057 bool is_at_poll_safepoint() { return _safepoint_state->is_at_poll_safepoint(); } 1062 bool is_at_poll_safepoint() { return _safepoint_state->is_at_poll_safepoint(); }
1058 1063
1059 // thread has called JavaThread::exit() or is terminated 1064 // thread has called JavaThread::exit() or is terminated
1060 bool is_exiting() { return _terminated == _thread_exiting || is_terminated(); } 1065 bool is_exiting() { return _terminated == _thread_exiting || is_terminated(); }