lock_manager_defs.h File Reference

#include <cstdint>
#include <limits>
#include <string>
#include "mongo/base/static_assert.h"
#include "mongo/base/string_data.h"
#include "mongo/config.h"
#include "mongo/platform/hash_namespace.h"

Go to the source code of this file.

Classes
class	mongo::ResourceId
	Uniquely identifies a lockable resource. More...
class	mongo::LockGrantNotification
	Interface on which granted lock requests will be notified. More...
struct	mongo::LockRequest
	There is one of those entries per each request for a lock. More...
struct	hash< mongo::ResourceId >

Namespaces
	mongo
	Copyright (C) 2014 MongoDB Inc.

Typedefs
typedef uint64_t	mongo::LockerId

Enumerations
enum	mongo::LockMode {   mongo::MODE_NONE = 0, mongo::MODE_IS = 1, mongo::MODE_IX = 2, mongo::MODE_S = 3,   mongo::MODE_X = 4, mongo::LockModesCount }
	LockMode compatibility matrix. More...
enum	mongo::LockResult {   mongo::LOCK_OK, mongo::LOCK_WAITING, mongo::LOCK_TIMEOUT, mongo::LOCK_DEADLOCK,   mongo::LOCK_INVALID }
	Return values for the locking functions of the lock manager. More...
enum	mongo::ResourceType {   mongo::RESOURCE_INVALID = 0, mongo::RESOURCE_GLOBAL, mongo::RESOURCE_MMAPV1_FLUSH, mongo::RESOURCE_DATABASE,   mongo::RESOURCE_COLLECTION, mongo::RESOURCE_METADATA, mongo::RESOURCE_MUTEX, mongo::ResourceTypesCount }
	Hierarchy of resource types. More...

Functions
const char *	mongo::modeName (LockMode mode)
	Returns a human-readable name for the specified lock mode. More...
const char *	mongo::legacyModeName (LockMode mode)
	Legacy lock mode names in parity for 2.6 reports. More...
bool	mongo::isModeCovered (LockMode mode, LockMode coveringMode)
	Mode A is covered by mode B if the set of conflicts for mode A is a subset of the set of conflicts for mode B. More...
bool	mongo::isSharedLockMode (LockMode mode)
	Returns whether the passed in mode is S or IS. More...
const char *	mongo::resourceTypeName (ResourceType resourceType)
	Returns a human-readable name for the specified resource type. More...
	mongo::MONGO_STATIC_ASSERT (sizeof(ResourceId)==sizeof(uint64_t))
const char *	mongo::lockRequestStatusName (LockRequest::Status status)
	Returns a human readable status name for the specified LockRequest status. More...

Variables
const ResourceId	mongo::resourceIdLocalDB = ResourceId(RESOURCE_DATABASE, StringData("local"))
const ResourceId	mongo::resourceIdOplog = ResourceId(RESOURCE_COLLECTION, StringData("local.oplog.rs"))
const ResourceId	mongo::resourceIdAdminDB = ResourceId(RESOURCE_DATABASE, StringData("admin"))
const ResourceId	mongo::resourceIdParallelBatchWriterMode