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src/hotspot/share/gc/z/zNMethodTable.cpp
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@@ -151,24 +151,24 @@
return nm->set_gc_data<ZNMethodData>(data);
}
ZNMethodTableEntry* ZNMethodTable::_table = NULL;
size_t ZNMethodTable::_size = 0;
-ZLock ZNMethodTable::_iter_lock;
ZNMethodTableEntry* ZNMethodTable::_iter_table = NULL;
size_t ZNMethodTable::_iter_table_size = 0;
ZArray<void*> ZNMethodTable::_iter_deferred_deletes;
size_t ZNMethodTable::_nregistered = 0;
size_t ZNMethodTable::_nunregistered = 0;
volatile size_t ZNMethodTable::_claimed = 0;
void ZNMethodTable::safe_delete(void* data) {
+ assert(CodeCache_lock->owned_by_self(), "Lock must be held");
+
if (data == NULL) {
return;
}
- ZLocker<ZLock> locker(&_iter_lock);
if (_iter_table != NULL) {
// Iteration in progress, defer delete
_iter_deferred_deletes.add(data);
} else {
// Iteration not in progress, delete now
@@ -288,11 +288,12 @@
index = next_index(index, size);
}
}
void ZNMethodTable::rebuild(size_t new_size) {
- ZLocker<ZLock> locker(&_iter_lock);
+ assert(CodeCache_lock->owned_by_self(), "Lock must be held");
+
assert(is_power_of_2(new_size), "Invalid size");
log_debug(gc, nmethod)("Rebuilding NMethod Table: "
SIZE_FORMAT "->" SIZE_FORMAT " entries, "
SIZE_FORMAT "(%.0lf%%->%.0lf%%) registered, "
@@ -473,22 +474,20 @@
}
}
void ZNMethodTable::nmethod_entries_do_begin() {
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
- ZLocker<ZLock> locker(&_iter_lock);
// Prepare iteration
_iter_table = _table;
_iter_table_size = _size;
_claimed = 0;
assert(_iter_deferred_deletes.is_empty(), "Should be emtpy");
}
void ZNMethodTable::nmethod_entries_do_end() {
MutexLockerEx mu(CodeCache_lock, Mutex::_no_safepoint_check_flag);
- ZLocker<ZLock> locker(&_iter_lock);
// Finish iteration
if (_iter_table != _table) {
delete [] _iter_table;
}
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