102 // wait on an internal lock, and reclaim original lock
103 // with original recursion count
104 static intptr_t complete_exit(Handle obj, TRAPS);
105 static void reenter (Handle obj, intptr_t recursion, TRAPS);
106
107 // thread-specific and global objectMonitor free list accessors
108 static void verifyInUse(Thread * Self);
109 static ObjectMonitor * omAlloc(Thread * Self);
110 static void omRelease(Thread * Self, ObjectMonitor * m,
111 bool FromPerThreadAlloc);
112 static void omFlush(Thread * Self);
113
114 // Inflate light weight monitor to heavy weight monitor
115 static ObjectMonitor* inflate(Thread * Self, oop obj, const InflateCause cause);
116 // This version is only for internal use
117 static ObjectMonitor* inflate_helper(oop obj);
118 static const char* inflate_cause_name(const InflateCause cause);
119
120 // Returns the identity hash value for an oop
121 // NOTE: It may cause monitor inflation
122 static intptr_t identity_hash_value_for(Handle obj);
123 static intptr_t FastHashCode(Thread * Self, oop obj);
124
125 // java.lang.Thread support
126 static bool current_thread_holds_lock(JavaThread* thread, Handle h_obj);
127 static LockOwnership query_lock_ownership(JavaThread * self, Handle h_obj);
128
129 static JavaThread* get_lock_owner(ThreadsList * t_list, Handle h_obj);
130
131 // JNI detach support
132 static void release_monitors_owned_by_thread(TRAPS);
133 static void monitors_iterate(MonitorClosure* m);
134
135 // GC: we current use aggressive monitor deflation policy
136 // Basically we deflate all monitors that are not busy.
137 // An adaptive profile-based deflation policy could be used if needed
138 static void deflate_idle_monitors(DeflateMonitorCounters* counters);
139 static void deflate_thread_local_monitors(Thread* thread, DeflateMonitorCounters* counters);
140 static void prepare_deflate_idle_monitors(DeflateMonitorCounters* counters);
141 static void finish_deflate_idle_monitors(DeflateMonitorCounters* counters);
142
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102 // wait on an internal lock, and reclaim original lock
103 // with original recursion count
104 static intptr_t complete_exit(Handle obj, TRAPS);
105 static void reenter (Handle obj, intptr_t recursion, TRAPS);
106
107 // thread-specific and global objectMonitor free list accessors
108 static void verifyInUse(Thread * Self);
109 static ObjectMonitor * omAlloc(Thread * Self);
110 static void omRelease(Thread * Self, ObjectMonitor * m,
111 bool FromPerThreadAlloc);
112 static void omFlush(Thread * Self);
113
114 // Inflate light weight monitor to heavy weight monitor
115 static ObjectMonitor* inflate(Thread * Self, oop obj, const InflateCause cause);
116 // This version is only for internal use
117 static ObjectMonitor* inflate_helper(oop obj);
118 static const char* inflate_cause_name(const InflateCause cause);
119
120 // Returns the identity hash value for an oop
121 // NOTE: It may cause monitor inflation
122 static intptr_t FastHashCode(Thread * Self, oop obj);
123
124 // java.lang.Thread support
125 static bool current_thread_holds_lock(JavaThread* thread, Handle h_obj);
126 static LockOwnership query_lock_ownership(JavaThread * self, Handle h_obj);
127
128 static JavaThread* get_lock_owner(ThreadsList * t_list, Handle h_obj);
129
130 // JNI detach support
131 static void release_monitors_owned_by_thread(TRAPS);
132 static void monitors_iterate(MonitorClosure* m);
133
134 // GC: we current use aggressive monitor deflation policy
135 // Basically we deflate all monitors that are not busy.
136 // An adaptive profile-based deflation policy could be used if needed
137 static void deflate_idle_monitors(DeflateMonitorCounters* counters);
138 static void deflate_thread_local_monitors(Thread* thread, DeflateMonitorCounters* counters);
139 static void prepare_deflate_idle_monitors(DeflateMonitorCounters* counters);
140 static void finish_deflate_idle_monitors(DeflateMonitorCounters* counters);
141
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