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Data Fields
PGPROC Struct Reference

#include <proc.h>

Data Fields

SHM_QUEUE links
 
PGPROC ** procgloballist
 
PGSemaphore sem
 
int waitStatus
 
Latch procLatch
 
LocalTransactionId lxid
 
int pid
 
int pgprocno
 
BackendId backendId
 
Oid databaseId
 
Oid roleId
 
bool isBackgroundWorker
 
bool recoveryConflictPending
 
bool lwWaiting
 
uint8 lwWaitMode
 
proclist_node lwWaitLink
 
proclist_node cvWaitLink
 
LOCK * waitLock
 
PROCLOCK * waitProcLock
 
LOCKMODE waitLockMode
 
LOCKMASK heldLocks
 
XLogRecPtr waitLSN
 
int syncRepState
 
SHM_QUEUE syncRepLinks
 
SHM_QUEUE myProcLocks [NUM_LOCK_PARTITIONS]
 
struct XidCache subxids
 
bool procArrayGroupMember
 
pg_atomic_uint32 procArrayGroupNext
 
TransactionId procArrayGroupMemberXid
 
uint32 wait_event_info
 
bool clogGroupMember
 
pg_atomic_uint32 clogGroupNext
 
TransactionId clogGroupMemberXid
 
XidStatus clogGroupMemberXidStatus
 
int clogGroupMemberPage
 
XLogRecPtr clogGroupMemberLsn
 
LWLock backendLock
 
uint64 fpLockBits
 
Oid fpRelId [FP_LOCK_SLOTS_PER_BACKEND]
 
bool fpVXIDLock
 
LocalTransactionId fpLocalTransactionId
 
PGPROC * lockGroupLeader
 
dlist_head lockGroupMembers
 
dlist_node lockGroupLink
 

Detailed Description

Definition at line 95 of file proc.h.

Field Documentation

BackendId PGPROC::backendId

Definition at line 113 of file proc.h.

Referenced by ExportSnapshot(), GetLockStatusData(), GetSingleProcBlockerStatusData(), InitAuxiliaryProcess(), InitProcess(), log_line_prefix(), MarkAsPreparingGuts(), ProcArrayInstallImportedXmin(), SharedInvalBackendInit(), StartTransaction(), VirtualXactLock(), VirtualXactLockTableCleanup(), VirtualXactLockTableInsert(), and write_csvlog().

LWLock PGPROC::backendLock

Definition at line 187 of file proc.h.

Referenced by FastPathGetRelationLockEntry(), FastPathTransferRelationLocks(), GetLockConflicts(), GetLockStatusData(), LockAcquireExtended(), LockRelease(), LockReleaseAll(), VirtualXactLock(), VirtualXactLockTableCleanup(), and VirtualXactLockTableInsert().

bool PGPROC::clogGroupMember

Definition at line 176 of file proc.h.

Referenced by InitProcess(), and TransactionGroupUpdateXidStatus().

XLogRecPtr PGPROC::clogGroupMemberLsn

Definition at line 183 of file proc.h.

Referenced by InitProcess(), and TransactionGroupUpdateXidStatus().

int PGPROC::clogGroupMemberPage

Definition at line 181 of file proc.h.

Referenced by InitProcess(), and TransactionGroupUpdateXidStatus().

TransactionId PGPROC::clogGroupMemberXid

Definition at line 178 of file proc.h.

Referenced by InitProcess(), and TransactionGroupUpdateXidStatus().

XidStatus PGPROC::clogGroupMemberXidStatus

Definition at line 179 of file proc.h.

Referenced by InitProcess(), and TransactionGroupUpdateXidStatus().

pg_atomic_uint32 PGPROC::clogGroupNext

Definition at line 177 of file proc.h.

Referenced by InitProcess(), and TransactionGroupUpdateXidStatus().

proclist_node PGPROC::cvWaitLink

Definition at line 132 of file proc.h.

Oid PGPROC::databaseId

Definition at line 114 of file proc.h.

Referenced by CancelDBBackends(), CountDBBackends(), CountDBConnections(), CountOtherDBBackends(), FastPathTransferRelationLocks(), GetConflictingVirtualXIDs(), GetCurrentVirtualXIDs(), GetLockConflicts(), GetLockStatusData(), GetOldestXmin(), InitAuxiliaryProcess(), InitPostgres(), InitProcess(), LockGXact(), MarkAsPreparingGuts(), pg_prepared_xact(), ProcArrayInstallImportedXmin(), ProcArrayInstallRestoredXmin(), and StartPrepare().

LocalTransactionId PGPROC::fpLocalTransactionId

Definition at line 193 of file proc.h.

Referenced by GetLockStatusData(), InitAuxiliaryProcess(), InitProcess(), VirtualXactLock(), VirtualXactLockTableCleanup(), and VirtualXactLockTableInsert().

uint64 PGPROC::fpLockBits

Definition at line 190 of file proc.h.

Oid PGPROC::fpRelId[FP_LOCK_SLOTS_PER_BACKEND]

Definition at line 191 of file proc.h.

Referenced by FastPathGetRelationLockEntry(), FastPathGrantRelationLock(), FastPathTransferRelationLocks(), FastPathUnGrantRelationLock(), GetLockConflicts(), and GetLockStatusData().

bool PGPROC::fpVXIDLock

Definition at line 192 of file proc.h.

Referenced by GetLockStatusData(), InitAuxiliaryProcess(), InitProcess(), VirtualXactLock(), VirtualXactLockTableCleanup(), and VirtualXactLockTableInsert().

LOCKMASK PGPROC::heldLocks

Definition at line 139 of file proc.h.

Referenced by LockAcquireExtended(), and ProcSleep().

bool PGPROC::isBackgroundWorker

Definition at line 117 of file proc.h.

Referenced by CountDBConnections(), CountUserBackends(), InitAuxiliaryProcess(), InitProcess(), and MarkAsPreparingGuts().

SHM_QUEUE PGPROC::links

Definition at line 98 of file proc.h.

Referenced by CheckDeadLock(), DeadLockCheck(), FindLockCycleRecurse(), FindLockCycleRecurseMember(), GetSingleProcBlockerStatusData(), HaveNFreeProcs(), InitAuxiliaryProcess(), InitProcess(), InitProcGlobal(), LockErrorCleanup(), MarkAsPreparingGuts(), ProcKill(), ProcLockWakeup(), ProcSleep(), ProcWakeup(), RemoveFromWaitQueue(), and TopoSort().

PGPROC* PGPROC::lockGroupLeader

Definition at line 200 of file proc.h.

Referenced by BecomeLockGroupLeader(), BecomeLockGroupMember(), FindLockCycleRecurse(), FindLockCycleRecurseMember(), GetBlockerStatusData(), InitAuxiliaryProcess(), InitProcess(), lock_twophase_recover(), LockCheckConflicts(), PostPrepare_Locks(), ProcKill(), ProcSleep(), SetupLockInTable(), and TopoSort().

dlist_node PGPROC::lockGroupLink

Definition at line 202 of file proc.h.

Referenced by BecomeLockGroupLeader(), BecomeLockGroupMember(), and ProcKill().

dlist_head PGPROC::lockGroupMembers

Definition at line 201 of file proc.h.

Referenced by BecomeLockGroupLeader(), BecomeLockGroupMember(), FindLockCycleRecurse(), GetBlockerStatusData(), InitAuxiliaryProcess(), InitProcess(), and ProcKill().

bool PGPROC::lwWaiting

Definition at line 127 of file proc.h.

Referenced by InitAuxiliaryProcess(), InitProcess(), LWLockAcquire(), LWLockAcquireOrWait(), LWLockDequeueSelf(), LWLockQueueSelf(), LWLockUpdateVar(), LWLockWaitForVar(), LWLockWakeup(), and MarkAsPreparingGuts().

proclist_node PGPROC::lwWaitLink

Definition at line 129 of file proc.h.

uint8 PGPROC::lwWaitMode

Definition at line 128 of file proc.h.

Referenced by InitAuxiliaryProcess(), InitProcess(), LWLockQueueSelf(), LWLockUpdateVar(), LWLockWakeup(), and MarkAsPreparingGuts().

LocalTransactionId PGPROC::lxid

Definition at line 106 of file proc.h.

Referenced by AbortTransaction(), CommitTransaction(), exec_eval_simple_expr(), ExportSnapshot(), fmgr_sql(), get_cast_hashentry(), GetLockStatusData(), GetSingleProcBlockerStatusData(), GetStableLatestTransactionId(), init_sql_fcache(), InitAuxiliaryProcess(), InitProcess(), lock_and_open_sequence(), log_line_prefix(), MarkAsPreparingGuts(), ProcArrayClearTransaction(), ProcArrayEndTransaction(), ProcArrayEndTransactionInternal(), ProcArrayInstallImportedXmin(), StartTransaction(), and write_csvlog().

SHM_QUEUE PGPROC::myProcLocks[NUM_LOCK_PARTITIONS]

Definition at line 157 of file proc.h.

Referenced by InitAuxiliaryProcess(), InitProcess(), lock_twophase_recover(), LockReleaseAll(), MarkAsPreparingGuts(), PostPrepare_Locks(), ProcKill(), and SetupLockInTable().

int PGPROC::pgprocno

Definition at line 110 of file proc.h.

Referenced by BackendIdGetTransactionIds(), BackgroundWriterMain(), ConditionVariableCancelSleep(), ConditionVariablePrepareToSleep(), ConditionVariableSleep(), FindLockCycleRecurseMember(), GetRunningTransactionLocks(), InitAuxiliaryProcess(), InitProcess(), InitProcGlobal(), LWLockDequeueSelf(), LWLockQueueSelf(), MarkAsPreparingGuts(), ProcArrayAdd(), ProcArrayClearTransaction(), ProcArrayEndTransaction(), ProcArrayGroupClearXid(), ProcArrayInstallRestoredXmin(), ProcArrayRemove(), ProcSleep(), TransactionGroupUpdateXidStatus(), TwoPhaseShmemInit(), and WALInsertLockAcquire().

int PGPROC::pid

Definition at line 109 of file proc.h.

Referenced by autovac_balance_cost(), AuxiliaryPidGetProc(), AuxiliaryProcKill(), BackendPidGetProcWithLock(), BackendXidGetPid(), BecomeLockGroupMember(), CancelDBBackends(), CancelVirtualTransaction(), CountDBBackends(), CountDBConnections(), CountOtherDBBackends(), CountUserBackends(), FindLockCycleRecurseMember(), GetConflictingVirtualXIDs(), GetLockStatusData(), GetSingleProcBlockerStatusData(), InitAuxiliaryProcess(), InitProcess(), logicalrep_worker_stop(), MarkAsPreparingGuts(), MinimumActiveBackends(), pg_stat_get_subscription(), ProcArrayRemove(), ProcSleep(), RememberSimpleDeadLock(), and TransactionIdIsActive().

bool PGPROC::procArrayGroupMember

Definition at line 163 of file proc.h.

Referenced by InitProcess(), and ProcArrayGroupClearXid().

TransactionId PGPROC::procArrayGroupMemberXid

Definition at line 171 of file proc.h.

Referenced by InitProcess(), and ProcArrayGroupClearXid().

pg_atomic_uint32 PGPROC::procArrayGroupNext

Definition at line 165 of file proc.h.

Referenced by InitProcess(), and ProcArrayGroupClearXid().

PGPROC** PGPROC::procgloballist

Definition at line 99 of file proc.h.

Referenced by InitProcess(), InitProcGlobal(), and ProcKill().

Latch PGPROC::procLatch

Definition at line 104 of file proc.h.

Referenced by apw_sighup_handler(), apw_sigterm_handler(), autoprewarm_main(), AuxiliaryProcKill(), CheckpointerMain(), ConditionVariableSignal(), InitAuxiliaryProcess(), InitProcess(), InitWalSenderSlot(), logicalrep_worker_wakeup_ptr(), ProcKill(), ProcSendSignal(), ProcWakeup(), shm_mq_detach_internal(), shm_mq_inc_bytes_read(), shm_mq_notify_receiver(), shm_mq_set_receiver(), shm_mq_set_sender(), StrategyGetBuffer(), SwitchBackToLocalLatch(), SwitchToSharedLatch(), SyncRepWakeQueue(), test_shm_mq_main(), WalReceiverMain(), and WalWriterMain().

bool PGPROC::recoveryConflictPending

Definition at line 124 of file proc.h.

Referenced by CancelDBBackends(), CancelVirtualTransaction(), errdetail_abort(), InitProcess(), ProcArrayClearTransaction(), ProcArrayEndTransaction(), ProcArrayEndTransactionInternal(), and RecoveryConflictInterrupt().

Oid PGPROC::roleId

Definition at line 115 of file proc.h.

Referenced by CountUserBackends(), InitAuxiliaryProcess(), InitializeSessionUserId(), InitProcess(), MarkAsPreparingGuts(), and pg_signal_backend().

PGSemaphore PGPROC::sem

Definition at line 101 of file proc.h.

Referenced by InitAuxiliaryProcess(), InitProcess(), InitProcGlobal(), LWLockAcquire(), LWLockAcquireOrWait(), LWLockDequeueSelf(), LWLockUpdateVar(), LWLockWaitForVar(), LWLockWakeup(), ProcArrayGroupClearXid(), and TransactionGroupUpdateXidStatus().

struct XidCache PGPROC::subxids

Definition at line 159 of file proc.h.

Referenced by GetNewTransactionId(), GetRunningTransactionData(), GetSnapshotData(), GXactLoadSubxactData(), TransactionGroupUpdateXidStatus(), TransactionIdIsInProgress(), TransactionIdSetPageStatus(), and XidCacheRemoveRunningXids().

SHM_QUEUE PGPROC::syncRepLinks

Definition at line 150 of file proc.h.

Referenced by InitProcess(), SyncRepCancelWait(), SyncRepCleanupAtProcExit(), SyncRepQueueInsert(), SyncRepWaitForLSN(), and SyncRepWakeQueue().

int PGPROC::syncRepState

Definition at line 149 of file proc.h.

Referenced by InitProcess(), SyncRepCancelWait(), SyncRepWaitForLSN(), and SyncRepWakeQueue().

uint32 PGPROC::wait_event_info

Definition at line 173 of file proc.h.

Referenced by InitProcess(), pg_stat_get_activity(), pg_stat_get_backend_wait_event(), pg_stat_get_backend_wait_event_type(), pgstat_report_activity(), pgstat_report_wait_end(), and pgstat_report_wait_start().

LOCK* PGPROC::waitLock

Definition at line 136 of file proc.h.

Referenced by CheckDeadLock(), FindLockCycleRecurse(), FindLockCycleRecurseMember(), GetLockStatusData(), GetSingleProcBlockerStatusData(), InitAuxiliaryProcess(), InitProcess(), MarkAsPreparingGuts(), MinimumActiveBackends(), ProcSleep(), ProcWakeup(), RememberSimpleDeadLock(), RemoveFromWaitQueue(), and TopoSort().

LOCKMODE PGPROC::waitLockMode

Definition at line 138 of file proc.h.

Referenced by FindLockCycleRecurseMember(), GetLockStatusData(), GetSingleProcBlockerStatusData(), ProcLockWakeup(), ProcSleep(), RememberSimpleDeadLock(), and RemoveFromWaitQueue().

XLogRecPtr PGPROC::waitLSN

Definition at line 148 of file proc.h.

Referenced by InitProcess(), SyncRepQueueInsert(), SyncRepWaitForLSN(), and SyncRepWakeQueue().

PROCLOCK* PGPROC::waitProcLock

Definition at line 137 of file proc.h.

Referenced by InitAuxiliaryProcess(), InitProcess(), MarkAsPreparingGuts(), ProcLockWakeup(), ProcSleep(), ProcWakeup(), and RemoveFromWaitQueue().

int PGPROC::waitStatus

Definition at line 102 of file proc.h.

Referenced by InitAuxiliaryProcess(), InitProcess(), LockErrorCleanup(), MarkAsPreparingGuts(), ProcSleep(), ProcWakeup(), and RemoveFromWaitQueue().

The documentation for this struct was generated from the following file: