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24 |
24 |
25 #include "precompiled.hpp" |
25 #include "precompiled.hpp" |
26 #include "memory/gcLocker.inline.hpp" |
26 #include "memory/gcLocker.inline.hpp" |
27 #include "memory/resourceArea.hpp" |
27 #include "memory/resourceArea.hpp" |
28 #include "memory/sharedHeap.hpp" |
28 #include "memory/sharedHeap.hpp" |
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29 #include "runtime/atomic.inline.hpp" |
29 #include "runtime/thread.inline.hpp" |
30 #include "runtime/thread.inline.hpp" |
30 |
31 |
31 volatile jint GC_locker::_jni_lock_count = 0; |
32 volatile jint GC_locker::_jni_lock_count = 0; |
32 volatile bool GC_locker::_needs_gc = false; |
33 volatile bool GC_locker::_needs_gc = false; |
33 volatile bool GC_locker::_doing_gc = false; |
34 volatile bool GC_locker::_doing_gc = false; |
56 } |
57 } |
57 } |
58 } |
58 } |
59 } |
59 assert(_jni_lock_count == count, "must be equal"); |
60 assert(_jni_lock_count == count, "must be equal"); |
60 } |
61 } |
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62 } |
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63 |
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64 // In debug mode track the locking state at all times |
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65 void GC_locker::increment_debug_jni_lock_count() { |
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66 assert(_debug_jni_lock_count >= 0, "bad value"); |
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67 Atomic::inc(&_debug_jni_lock_count); |
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68 } |
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69 |
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70 void GC_locker::decrement_debug_jni_lock_count() { |
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71 assert(_debug_jni_lock_count > 0, "bad value"); |
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72 Atomic::dec(&_debug_jni_lock_count); |
61 } |
73 } |
62 #endif |
74 #endif |
63 |
75 |
64 bool GC_locker::check_active_before_gc() { |
76 bool GC_locker::check_active_before_gc() { |
65 assert(SafepointSynchronize::is_at_safepoint(), "only read at safepoint"); |
77 assert(SafepointSynchronize::is_at_safepoint(), "only read at safepoint"); |