~MutexUnlockerEx() {
if (_no_safepoint_check == Mutex::_no_safepoint_check_flag) {
_mutex->lock_without_safepoint_check();
} else {
_mutex->lock();
}
}
VerifyMutexLocker(Monitor * mutex) {
_mutex = mutex;
_reentrant = mutex->owned_by_self();
if (!_reentrant) {
// We temp. diable strict safepoint checking, while we require the lock
FlagSetting fs(StrictSafepointChecks, false);
_mutex->lock();
}
}
MutexLockerEx(Monitor * mutex, bool no_safepoint_check = !Mutex::_no_safepoint_check_flag) {
_mutex = mutex;
if (_mutex != NULL) {
assert(mutex->rank() > Mutex::special || no_safepoint_check,
"Mutexes with rank special or lower should not do safepoint checks");
if (no_safepoint_check)
_mutex->lock_without_safepoint_check();
else
_mutex->lock();
}
}
~MutexUnlocker() {
_mutex->lock();
}
// Overloaded constructor passing current thread
MutexLocker(Monitor * mutex, Thread *thread) {
assert(mutex->rank() != Mutex::special,
"Special ranked mutex should only use MutexLockerEx");
_mutex = mutex;
_mutex->lock(thread);
}