Examples of com.cloud.utils.db.GlobalLock.unlock()

com.cloud.utils.db.GlobalLock.unlock()

                            if (result) {
                            }


                            return result;
                        } finally {
                            secStorageVmLock.unlock();
                        }
                    } else {
                        String msg = "Unable to acquire secondary storage vm lock : " + secStorageVm.toString();
                        s_logger.debug(msg);
                        return false;

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                } finally {
                    if (txn != null) {
                        txn.close();
                    }


                    lock.unlock();
                }
            } catch (Exception e) {
                s_logger.error("Exception ", e);
            }
        }

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                try {
                    if(scanLock.lock(ACQUIRE_GLOBAL_LOCK_TIMEOUT_FOR_COOPERATION)) {
                        try {
                            reallyRun();
                        } finally {
                            scanLock.unlock();
                        }
                    }
                } finally {
                    scanLock.releaseRef();
                }

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                    //Check for ownership
                    //msHost in UP state with min id should run the job
                    ManagementServerHostVO msHost = _msHostDao.findOneInUpState(new Filter(ManagementServerHostVO.class, "id", true, 0L, 1L));
                    if(msHost == null || (msHost.getMsid() != mgmtSrvrId)){
                        s_logger.debug("Skipping aggregate disk stats update");
                        scanLock.unlock();
                        return;
                    }
                    Transaction txn = Transaction.open(Transaction.CLOUD_DB);
                    try {
                        txn.start();

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                        txn.commit();
                    } catch (Exception e){
                        txn.rollback();
                        s_logger.debug("Failed to update aggregate disk stats", e);
                    } finally {
                        scanLock.unlock();
                        txn.close();
                    }
                }
            } catch (Exception e){
                s_logger.debug("Exception while trying to acquire disk stats lock", e);

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                            if (s_logger.isDebugEnabled()) {
                                s_logger.debug("Another thread already inserts " + templateStoragePoolRef.getId() + " to template_spool_ref", t);
                            }
                        }
                }finally {
                        lock.unlock();
                        lock.releaseRef();
                }
            } catch (Exception e){
                s_logger.debug("Caught exception ", e);
            }

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                        _eventDao.expunge(event.getId());
                    }
                } catch (Exception e) {
                    s_logger.error("Exception ", e);
                } finally {
                    lock.unlock();
                }
            } catch (Exception e) {
                s_logger.error("Exception ", e);
            }
        }

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                        _alertDao.expunge(alert.getId());
                    }
                } catch (Exception e) {
                    s_logger.error("Exception ", e);
                } finally {
                    lock.unlock();
                }
            } catch (Exception e) {
                s_logger.error("Exception ", e);
            }
        }

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                    ipaddr.getSystem(), ipaddr.getClass().getName(), ipaddr.getUuid());


            txn.commit();


        } finally {
            portableIpLock.unlock();
        }


        return ipaddr;
    }

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                try {
                    if (scanLock.lock(3)) {
                        try {
                            cleanupStorage();
                        } finally {
                            scanLock.unlock();
                        }
                    }
                } finally {
                    scanLock.releaseRef();
                }

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