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775 lines
16 KiB
775 lines
16 KiB
#ifndef _FM_H
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#define _FM_H
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/*++
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Copyright (c) 1996 Microsoft Corporation
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Module Name:
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fm.h
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Abstract:
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Public data structures and procedure prototypes for
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the Failover Manager subcomponent of the NT Cluster Service
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Author:
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John Vert (jvert) 7-Feb-1996
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Revision History:
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--*/
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//
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// Public structure definitions
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//
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//
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// FM notifications
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// The FM supports the following notifications to allow other
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// cluster components to prepare and cleanup state.
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//
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//SS: for now add it here..but if this is needed externally
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//move it to appropriate place
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// these notifications are generated only on the node where the
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// resource resides
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#define NOTIFY_RESOURCE_PREONLINE 0x00000001
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#define NOTIFY_RESOURCE_POSTONLINE 0x00000002
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#define NOTIFY_RESOURCE_PREOFFLINE 0x00000004
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#define NOTIFY_RESOURCE_POSTOFFLINE 0x00000008 //this is the same as offline
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#define NOTIFY_RESOURCE_FAILED 0x00000010
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#define NOTIFY_RESOURCE_OFFLINEPENDING 0x00000020
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#define NOTIFY_RESOURCE_ONLINEPENDING 0x00000040
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//
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// Resource type structure definition
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//
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// Define Flags
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#define RESTYPE_DEBUG_CONTROL_FUNC 1
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#define RESTYPE_STATE_LOADS 0x00000001
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typedef struct FM_RESTYPE {
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LPWSTR DllName;
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DWORD LooksAlivePollInterval;
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DWORD IsAlivePollInterval;
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LPWSTR DebugPrefix;
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DWORD Flags;
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DWORD State;
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DWORD Class;
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LIST_ENTRY PossibleNodeList;
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} FM_RESTYPE, *PFM_RESTYPE;
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//
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// Resource Possible Owners structure
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//
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typedef struct RESTYPE_POSSIBLE_ENTRY {
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LIST_ENTRY PossibleLinkage;
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PNM_NODE PossibleNode;
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} RESTYPE_POSSIBLE_ENTRY, *PRESTYPE_POSSIBLE_ENTRY;
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#if CLUSTER_BETA
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#define FM_MAX_LOCK_ENTRIES 8
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#else
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#define FM_MAX_LOCK_ENTRIES 4
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#endif
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//
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// Group structure
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//
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typedef struct _LOCK_INFO {
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DWORD Module: 5;
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DWORD ThreadId: 11;
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DWORD LineNumber: 16;
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} LOCK_INFO, *PLOCK_INFO;
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typedef struct FM_GROUP {
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DWORD dwStructState;
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LIST_ENTRY Contains; // List of root resources in this Group
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LIST_ENTRY PreferredOwners; // Ordered list of preferred owners
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LIST_ENTRY DmRundownList; // DM rundown list
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DWORD OrderedOwners; // # of ordered owners in above list
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CRITICAL_SECTION Lock; // Critical section for this Group
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DWORD LockIndex;
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DWORD UnlockIndex;
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LOCK_INFO LockTable[FM_MAX_LOCK_ENTRIES];
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LOCK_INFO UnlockTable[FM_MAX_LOCK_ENTRIES];
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CLUSTER_GROUP_STATE State; // State of the Group
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PRESOURCE_ENUM MovingList; // Ptr to List of moving resources
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BOOL Initialized; // TRUE if registry parameters read
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BOOL InitFailed; // TRUE if a resource fails to init
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PNM_NODE OwnerNode; // Ptr to owner node. NULL if not known
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UCHAR FailbackType; // See AutoFailbackTypes
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UCHAR FailbackWindowStart; // 0-24 hours
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UCHAR FailbackWindowEnd; // 0-24 hours (0 is immediate)
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UCHAR FailoverPeriod; // 1-24 hours (0 is infinite)
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DWORD FailoverThreshold; // 1-N failovers (0 is infinite)
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CLUSTER_GROUP_STATE PersistentState; // Preferred state of this group
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DWORD FailureTime; // Time of first failure
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DWORD NumberOfFailures; // Number of failures.
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HDMKEY RegistryKey;
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LIST_ENTRY WaitQueue; // chained FM_WAIT_BLOCK structures
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DWORD StateSequence;
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HANDLE hPendingEvent;
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PNM_NODE pIntendedOwner;
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LPWSTR lpszAntiAffinityClassName; // Anti-affinity property
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} FM_GROUP, *PFM_GROUP;
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#define FM_GROUP_STRUCT_CREATED 0x00000001
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#define FM_GROUP_STRUCT_INITIALIZED 0x00000002
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#define FM_GROUP_STRUCT_MARKED_FOR_DELETE 0x00000004
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#define FM_GROUP_STRUCT_MARKED_FOR_MOVE_ON_FAIL 0x00000008
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#define FM_GROUP_STRUCT_MARKED_FOR_REGULAR_MOVE 0x00000010
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#define FM_GROUP_STRUCT_MARKED_FOR_PENDING_ACTION 0x00000020
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#define FM_GROUP_STRUCT_MARKED_FOR_COMPLETION_EVENT 0x00000040
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#define IS_VALID_FM_GROUP(pFmGroup) \
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(!(pFmGroup->dwStructState & FM_GROUP_STRUCT_MARKED_FOR_DELETE))
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//
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#define IS_PENDING_FM_GROUP(pFmGroup) \
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(pFmGroup->dwStructState & FM_GROUP_STRUCT_MARKED_FOR_PENDING_ACTION)
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// Resource structure and types
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//
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//
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// Resource structure
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//
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// Define Flags
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#define RESOURCE_SEPARATE_MONITOR 1
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#define RESOURCE_CREATED 2
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#define RESOURCE_WAITING 4
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typedef struct FM_RESOURCE {
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DWORD dwStructState;
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LIST_ENTRY DependsOn;
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LIST_ENTRY ProvidesFor;
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LIST_ENTRY PossibleOwners; // List of possible owners
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LIST_ENTRY ContainsLinkage; // Linkage onto FM_GROUP.Contains
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LIST_ENTRY DmRundownList; // DM rundown list
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//SS: for now we dont use resource locks, so dont create it and leak it !
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//CRITICAL_SECTION Lock;
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RESID Id;
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CLUSTER_RESOURCE_STATE State;
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BOOL QuorumResource;
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LPWSTR Dependencies;
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LPWSTR DebugPrefix;
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DWORD DependenciesSize;
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struct RESMON *Monitor;
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PFM_RESTYPE Type;
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PFM_GROUP Group;
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ULONG Flags;
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DWORD LooksAlivePollInterval;
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DWORD IsAlivePollInterval;
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CLUSTER_RESOURCE_STATE PersistentState;
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DWORD RestartAction;
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DWORD RestartThreshold;
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DWORD RestartPeriod;
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DWORD NumberOfFailures;
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DWORD PendingTimeout;
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HANDLE PendingEvent;
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HDMKEY RegistryKey;
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DWORD FailureTime;
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PVOID CheckpointState; // for use by checkpoint manager
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DWORD ExFlags; // Extrinsic flags
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DWORD Characteristic;
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DWORD StateSequence;
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BOOL PossibleList; // TRUE if possible list entries specified
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DWORD BlockingQuorum; // 1 if shared lock held, blocking quorum
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HANDLE hTimer; // handle to timer used for delayed restart
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DWORD RetryPeriodOnFailure; //Time,in milliseconds, after which a restart will be attempted
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} FM_RESOURCE, *PFM_RESOURCE;
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#define FM_RESOURCE_STRUCT_CREATED 0x00000001
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#define FM_RESOURCE_STRUCT_INITIALIZED 0x00000002
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#define FM_RESOURCE_STRUCT_MARKED_FOR_DELETE 0x00000004
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#define IS_VALID_FM_RESOURCE(pFmResource) \
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(!(pFmResource->dwStructState & FM_RESOURCE_STRUCT_MARKED_FOR_DELETE))
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//
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// Dependency structure
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//
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typedef struct dependency {
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LIST_ENTRY DependentLinkage;
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PFM_RESOURCE DependentResource;
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LIST_ENTRY ProviderLinkage;
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PFM_RESOURCE ProviderResource;
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} DEPENDENCY, *PDEPENDENCY;
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//
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// AutoFailbackType
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//
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typedef enum {
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GroupNoFailback,
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GroupFailback
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} GROUP_FAILBACK_TYPE;
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//
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// Group Preferred Owners structure
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//
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typedef struct PREFERRED_ENTRY {
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LIST_ENTRY PreferredLinkage;
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PNM_NODE PreferredNode;
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} PREFERRED_ENTRY, *PPREFERRED_ENTRY;
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//
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// Resource Possible Owners structure
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//
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typedef struct POSSIBLE_ENTRY {
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LIST_ENTRY PossibleLinkage;
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PNM_NODE PossibleNode;
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} POSSIBLE_ENTRY, *PPOSSIBLE_ENTRY;
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//
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// Public function interfaces
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//
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//
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// Startup, online and shutdown
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//
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DWORD
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WINAPI
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FmInitialize(
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VOID
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);
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BOOL
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FmArbitrateQuorumResource(
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VOID
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);
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VOID
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FmHoldIO(
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VOID
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);
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VOID
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FmResumeIO(
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VOID
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);
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DWORD
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WINAPI
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FmFindQuorumResource(
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OUT PFM_RESOURCE *ppResource
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);
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DWORD FmBringQuorumOnline();
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DWORD
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WINAPI
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FmFindQuorumOwnerNodeId(
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IN PFM_RESOURCE pResource
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);
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DWORD
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WINAPI
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FmGetQuorumResource(
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OUT PFM_GROUP *ppQuoGroup,
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OUT LPDWORD lpdwSignature OPTIONAL
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);
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DWORD
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WINAPI
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FmpSendForceQuorumControlToResource(
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IN PFM_RESOURCE resource
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);
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BOOL
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WINAPI
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FmpIsNodeInForceQuorumNodes(
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IN LPCWSTR lpszNodeId
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);
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DWORD
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WINAPI
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FmSetQuorumResource(
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IN PFM_RESOURCE Resource,
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IN LPCWSTR lpszLogPathName,
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IN DWORD dwMaxQuorumLogSize
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);
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DWORD
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WINAPI
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FmBackupClusterDatabase(
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IN LPCWSTR lpszPathName
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);
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DWORD
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WINAPI
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FmFormNewClusterPhase1(
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IN PFM_GROUP pQuoGroup
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);
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DWORD
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WINAPI
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FmFormNewClusterPhase2(
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VOID
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);
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DWORD
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WINAPI
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FmJoinPhase1(
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OUT DWORD *EndSeq
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);
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DWORD
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WINAPI
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FmJoinPhase2(
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VOID
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);
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VOID
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FmJoinPhase3(
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VOID
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);
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VOID
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FmShutdownGroups(
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VOID
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);
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VOID
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FmShutdown(
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VOID
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);
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//
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// Management APIs for groups
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//
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DWORD
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WINAPI
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FmOnlineGroup(
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IN PFM_GROUP Group
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);
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DWORD
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WINAPI
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FmOfflineGroup(
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IN PFM_GROUP Group
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);
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DWORD
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WINAPI
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FmMoveGroup(
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IN PFM_GROUP Group,
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IN PNM_NODE DestinationNode OPTIONAL
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);
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PFM_GROUP
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WINAPI
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FmCreateGroup(
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IN LPWSTR GroupId,
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IN LPCWSTR GroupName
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);
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DWORD
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WINAPI
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FmDeleteGroup(
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IN PFM_GROUP Group
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);
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DWORD
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WINAPI
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FmSetGroupName(
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IN PFM_GROUP Group,
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IN LPCWSTR FriendlyName
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);
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CLUSTER_GROUP_STATE
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WINAPI
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FmGetGroupState(
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IN PFM_GROUP Group,
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OUT LPWSTR NodeName,
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IN OUT PDWORD NameLength
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);
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//
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// Check if a cluster partition exists
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//
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BOOL
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WINAPI
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FmVerifyNodeDown(
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IN PNM_NODE Node,
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OUT LPBOOL IsDown
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);
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DWORD
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WINAPI
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FmEvictNode(
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IN PNM_NODE Node
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);
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//
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// enumeration callback routine definitions
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//
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typedef BOOL (*FM_ENUM_GROUP_RESOURCE_ROUTINE)(
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IN PVOID Context1,
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IN PVOID Context2,
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IN PVOID Resource,
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IN LPCWSTR Name
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);
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DWORD
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WINAPI
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FmEnumerateGroupResources(
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IN PFM_GROUP Group,
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IN FM_ENUM_GROUP_RESOURCE_ROUTINE EnumerationRoutine,
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IN PVOID Context1,
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IN PVOID Context2
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);
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//
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// Management APIs for resources
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//
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PFM_RESOURCE
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WINAPI
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FmCreateResource(
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IN PFM_GROUP Group,
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IN LPWSTR ResourceId,
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IN LPCWSTR ResourceName,
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IN LPCWSTR ResourceType,
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IN DWORD dwFlags
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);
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DWORD
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WINAPI
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FmOnlineResource(
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IN PFM_RESOURCE Resource
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);
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DWORD
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WINAPI
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FmOfflineResource(
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IN PFM_RESOURCE Resource
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);
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CLUSTER_RESOURCE_STATE
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WINAPI
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FmGetResourceState(
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IN PFM_RESOURCE Resource,
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OUT LPWSTR NodeName,
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IN OUT PDWORD NameLength
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);
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DWORD
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WINAPI
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FmFailResource(
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IN PFM_RESOURCE Resource
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);
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DWORD
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WINAPI
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FmDeleteResource(
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IN PFM_RESOURCE Resource
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);
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DWORD
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WINAPI
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FmSetResourceName(
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IN PFM_RESOURCE Resource,
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IN LPCWSTR FriendlyName
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);
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DWORD
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WINAPI
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FmAddResourceDependency(
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IN PFM_RESOURCE Resource,
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IN PFM_RESOURCE DependentResource
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);
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DWORD
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WINAPI
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FmRemoveResourceDependency(
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IN PFM_RESOURCE Resource,
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IN PFM_RESOURCE DependentResource
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);
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BOOL
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FmDependentResource(
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IN PFM_RESOURCE Resource,
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IN PFM_RESOURCE DependentResource,
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IN BOOL ImmediateOnly
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);
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DWORD
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WINAPI
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FmEnumResourceDependent(
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IN PFM_RESOURCE Resource,
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IN DWORD Index,
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OUT PFM_RESOURCE *DependentResource
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);
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DWORD
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WINAPI
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FmEnumResourceProvider(
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IN PFM_RESOURCE Resource,
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IN DWORD Index,
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OUT PFM_RESOURCE *ProviderResource
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);
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DWORD
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WINAPI
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FmEnumResourceNode(
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IN PFM_RESOURCE Resource,
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IN DWORD Index,
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OUT PNM_NODE *ProviderResource
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);
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DWORD
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WINAPI
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FmChangeResourceNode(
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IN PFM_RESOURCE Resource,
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IN PNM_NODE Node,
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IN BOOL Add
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);
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DWORD
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FmCreateResourceType(
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IN LPCWSTR lpszTypeName,
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IN LPCWSTR lpszDisplayName,
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IN LPCWSTR lpszDllName,
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IN DWORD dwLooksAlive,
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IN DWORD dwIsAlive
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);
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DWORD
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WINAPI
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FmDeleteResourceType(
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IN LPCWSTR TypeName
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);
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DWORD
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FmEnumResourceTypeNode(
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IN PFM_RESTYPE pResType,
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IN DWORD dwIndex,
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OUT PNM_NODE *pPossibleNode
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);
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DWORD
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FmChangeResourceGroup(
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IN PFM_RESOURCE Resource,
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IN PFM_GROUP Group
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);
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DWORD
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FmChangeClusterName(
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IN LPCWSTR pszNewName,
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IN LPCWSTR pszOldName
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);
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DWORD
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FmNetNameParseProperties(
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IN PUCHAR InBuffer,
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IN DWORD InBufferSize,
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OUT LPWSTR *ppszClusterName
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);
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DWORD
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WINAPI
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FmResourceControl(
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IN PFM_RESOURCE Resource,
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IN PNM_NODE Node OPTIONAL,
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IN DWORD ControlCode,
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IN PUCHAR InBuffer,
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IN DWORD InBufferSize,
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OUT PUCHAR OutBuffer,
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IN DWORD OutBufferSize,
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OUT LPDWORD BytesReturned,
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OUT LPDWORD Required
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);
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DWORD
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WINAPI
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FmResourceTypeControl(
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IN LPCWSTR ResourceTypeName,
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IN PNM_NODE Node OPTIONAL,
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IN DWORD ControlCode,
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IN PUCHAR InBuffer,
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IN DWORD InBufferSize,
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OUT PUCHAR OutBuffer,
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IN DWORD OutBufferSize,
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OUT LPDWORD BytesReturned,
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OUT LPDWORD Required
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);
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DWORD
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WINAPI
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FmGroupControl(
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IN PFM_GROUP Group,
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IN PNM_NODE Node OPTIONAL,
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IN DWORD ControlCode,
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IN PUCHAR InBuffer,
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IN DWORD InBufferSize,
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OUT PUCHAR OutBuffer,
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IN DWORD OutBufferSize,
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OUT LPDWORD BytesReturned,
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OUT LPDWORD Required
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);
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//
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// Routines for manipulating dependency trees
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//
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typedef struct FM_DEPENDENCY_TREE {
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LIST_ENTRY ListHead;
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} FM_DEPENDENCY_TREE, *PFM_DEPENDENCY_TREE;
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typedef struct FM_DEPENDTREE_ENTRY {
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LIST_ENTRY ListEntry;
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PFM_RESOURCE Resource;
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} FM_DEPENDTREE_ENTRY, *PFM_DEPENDTREE_ENTRY;
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PFM_DEPENDENCY_TREE
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FmCreateFullDependencyTree(
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IN PFM_RESOURCE Resource
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);
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VOID
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FmDestroyFullDependencyTree(
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IN PFM_DEPENDENCY_TREE Tree
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);
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BOOL
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FmCheckNetworkDependency(
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IN LPCWSTR DependentNetwork
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);
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DWORD
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FmBuildWINS(
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IN DWORD dwFixUpType,
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OUT PVOID *ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR *pszKeyName
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);
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DWORD
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FmBuildDHCP(
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IN DWORD dwFixUpType,
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OUT PVOID *ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmBuildIIS(
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IN DWORD dwFixUpType,
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OUT PVOID *ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmBuildSMTP(
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IN DWORD dwFixUpType,
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OUT PVOID *ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmBuildNNTP(
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IN DWORD dwFixUpType,
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OUT PVOID *ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmBuildMSDTC(
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IN DWORD dwFixUpType,
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OUT PVOID * ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmBuildNewMSMQ(
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IN DWORD dwFixUpType,
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OUT PVOID * ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmBuildClusterProp(
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IN DWORD dwFixUpType,
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OUT PVOID * ppPropertyList,
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OUT LPDWORD pdwPropertyListSize,
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OUT LPWSTR * pszKeyName
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);
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DWORD
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FmCreateRpcBindings(
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PNM_NODE Node
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);
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//callback for registry fixups (resource type addition)
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DWORD
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FmFixupNotifyCb(VOID);
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//the callback registered for object notifications
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typedef void (WINAPI *FM_ONLINE_ONTHISNODE_CB)(
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);
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void FmCheckQuorumState(
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IN FM_ONLINE_ONTHISNODE_CB OnLineOnThisNodeCb,
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OUT PBOOL pbQuorumOfflineOnThisNode
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);
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DWORD FmDoesQuorumAllowJoin(
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IN PCWSTR pszJoinerNodeId );
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DWORD FmDoesQuorumAllowLogging(
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IN DWORD dwQuorumResourceCharacteristics OPTIONAL
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);
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//Fixup function for AdminExt value
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DWORD
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FmFixupAdminExt(VOID);
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//
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// Check if resource dll deadlock detection is enabled
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//
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VOID
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FmCheckIsDeadlockDetectionEnabled(
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VOID
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);
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#endif //_FM_H
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