PostgreSQL Source Code git master
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#include "postgres.h"
#include <signal.h>
#include <unistd.h>
#include <sys/time.h>
#include "access/transam.h"
#include "access/twophase.h"
#include "access/xlogutils.h"
#include "miscadmin.h"
#include "pgstat.h"
#include "postmaster/autovacuum.h"
#include "replication/slotsync.h"
#include "replication/syncrep.h"
#include "storage/condition_variable.h"
#include "storage/ipc.h"
#include "storage/lmgr.h"
#include "storage/pmsignal.h"
#include "storage/proc.h"
#include "storage/procarray.h"
#include "storage/procsignal.h"
#include "storage/spin.h"
#include "storage/standby.h"
#include "utils/timeout.h"
#include "utils/timestamp.h"
Go to the source code of this file.
Variables | |
int | DeadlockTimeout = 1000 |
int | StatementTimeout = 0 |
int | LockTimeout = 0 |
int | IdleInTransactionSessionTimeout = 0 |
int | TransactionTimeout = 0 |
int | IdleSessionTimeout = 0 |
bool | log_lock_waits = false |
PGPROC * | MyProc = NULL |
NON_EXEC_STATIC slock_t * | ProcStructLock = NULL |
PROC_HDR * | ProcGlobal = NULL |
NON_EXEC_STATIC PGPROC * | AuxiliaryProcs = NULL |
PGPROC * | PreparedXactProcs = NULL |
static DeadLockState | deadlock_state = DS_NOT_YET_CHECKED |
static volatile sig_atomic_t | got_deadlock_timeout |
PGPROC * AuxiliaryPidGetProc | ( | int | pid | ) |
Definition at line 1040 of file proc.c.
References AuxiliaryProcs, NUM_AUXILIARY_PROCS, and PGPROC::pid.
Referenced by pg_log_backend_memory_contexts(), pg_stat_get_activity(), pg_stat_reset_backend_stats(), and pgstat_fetch_stat_backend_by_pid().
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Definition at line 989 of file proc.c.
References arg, Assert(), AuxiliaryProcs, ConditionVariableCancelSleep(), DatumGetInt32(), DisownLatch(), elog, INVALID_PROC_NUMBER, InvalidTransactionId, LWLockReleaseAll(), PGPROC::lxid, MyProc, MyProcNumber, NUM_AUXILIARY_PROCS, PANIC, PG_USED_FOR_ASSERTS_ONLY, pgstat_reset_wait_event_storage(), PGPROC::pid, ProcGlobal, PGPROC::procLatch, PGPROC::procNumber, ProcStructLock, SpinLockAcquire, SpinLockRelease, PROC_HDR::spins_per_delay, SwitchBackToLocalLatch(), update_spins_per_delay(), and PGPROC::vxid.
Referenced by InitAuxiliaryProcess().
void BecomeLockGroupLeader | ( | void | ) |
Definition at line 1950 of file proc.c.
References Assert(), dlist_push_head(), PGPROC::lockGroupLeader, PGPROC::lockGroupLink, PGPROC::lockGroupMembers, LockHashPartitionLockByProc, LW_EXCLUSIVE, LWLockAcquire(), LWLockRelease(), and MyProc.
Referenced by LaunchParallelWorkers().
bool BecomeLockGroupMember | ( | PGPROC * | leader, |
int | pid | ||
) |
Definition at line 1980 of file proc.c.
References Assert(), dlist_push_tail(), PGPROC::lockGroupLeader, PGPROC::lockGroupLink, PGPROC::lockGroupMembers, LockHashPartitionLockByProc, LW_EXCLUSIVE, LWLockAcquire(), LWLockRelease(), MyProc, and PGPROC::pid.
Referenced by ParallelWorkerMain().
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Definition at line 1736 of file proc.c.
References Assert(), deadlock_state, DeadLockCheck(), DS_HARD_DEADLOCK, i, PGPROC::links, LockHashPartitionLockByIndex, LockTagHashCode(), LW_EXCLUSIVE, LWLockAcquire(), LWLockRelease(), MyProc, dlist_node::next, NUM_LOCK_PARTITIONS, dlist_node::prev, RemoveFromWaitQueue(), LOCK::tag, and PGPROC::waitLock.
Referenced by ProcSleep().
void CheckDeadLockAlert | ( | void | ) |
Definition at line 1822 of file proc.c.
References got_deadlock_timeout, MyLatch, and SetLatch().
Referenced by InitPostgres(), and ProcessRecoveryConflictInterrupt().
void GetLockHoldersAndWaiters | ( | LOCALLOCK * | locallock, |
StringInfo | lock_holders_sbuf, | ||
StringInfo | lock_waiters_sbuf, | ||
int * | lockHoldersNum | ||
) |
Definition at line 1849 of file proc.c.
References appendStringInfo(), Assert(), dlist_iter::cur, dlist_container, dlist_foreach, LOCALLOCK::hashcode, LOCALLOCK::lock, LockHashPartitionLock, LWLockHeldByMe(), PROCLOCKTAG::myProc, PGPROC::pid, LOCK::procLocks, PROCLOCK::tag, and PGPROC::waitProcLock.
Referenced by LockAcquireExtended(), and ProcSleep().
int GetStartupBufferPinWaitBufId | ( | void | ) |
Definition at line 717 of file proc.c.
References ProcGlobal, and PROC_HDR::startupBufferPinWaitBufId.
Referenced by HoldingBufferPinThatDelaysRecovery(), and ProcessRecoveryConflictInterrupt().
bool HaveNFreeProcs | ( | int | n, |
int * | nfree | ||
) |
Definition at line 733 of file proc.c.
References Assert(), dlist_foreach, PROC_HDR::freeProcs, ProcGlobal, ProcStructLock, SpinLockAcquire, and SpinLockRelease.
Referenced by InitPostgres().
void InitAuxiliaryProcess | ( | void | ) |
Definition at line 566 of file proc.c.
References Assert(), AuxiliaryProcKill(), AuxiliaryProcs, PGPROC::databaseId, PGPROC::delayChkptFlags, dlist_is_empty(), dlist_node_init(), elog, ERROR, FATAL, PGPROC::fpLocalTransactionId, PGPROC::fpVXIDLock, GetNumberFromPGProc, i, InitLWLockAccess(), Int32GetDatum(), INVALID_PROC_NUMBER, InvalidLocalTransactionId, InvalidOid, InvalidTransactionId, PGPROC::isRegularBackend, IsUnderPostmaster, PGPROC::links, PGPROC::lockGroupLeader, PGPROC::lockGroupMembers, LW_WS_NOT_WAITING, PGPROC::lwWaiting, PGPROC::lwWaitMode, PGPROC::lxid, MyProc, PGPROC::myProcLocks, MyProcNumber, MyProcPid, NUM_AUXILIARY_PROCS, NUM_LOCK_PARTITIONS, on_shmem_exit(), OwnLatch(), PANIC, pg_atomic_write_u64(), PGSemaphoreReset(), pgstat_set_wait_event_storage(), PGPROC::pid, PROC_WAIT_STATUS_OK, ProcGlobal, PGPROC::procLatch, PGPROC::procNumber, ProcStructLock, RegisterPostmasterChildActive(), PGPROC::roleId, PGPROC::sem, set_spins_per_delay(), SpinLockAcquire, SpinLockRelease, PROC_HDR::spins_per_delay, PGPROC::statusFlags, SwitchToSharedLatch(), PGPROC::tempNamespaceId, PGPROC::vxid, PGPROC::wait_event_info, PGPROC::waitLock, PGPROC::waitProcLock, PGPROC::waitStart, PGPROC::waitStatus, PGPROC::xid, and PGPROC::xmin.
Referenced by AuxiliaryProcessMainCommon().
void InitProcess | ( | void | ) |
Definition at line 341 of file proc.c.
References AmAutoVacuumWorkerProcess, AmBackgroundWorkerProcess, AmRegularBackendProcess, AmSpecialWorkerProcess, AmWalSenderProcess, Assert(), PROC_HDR::autovacFreeProcs, PROC_HDR::bgworkerFreeProcs, PGPROC::clogGroupMember, PGPROC::clogGroupMemberLsn, PGPROC::clogGroupMemberPage, PGPROC::clogGroupMemberXid, PGPROC::clogGroupMemberXidStatus, PGPROC::clogGroupNext, PGPROC::databaseId, PGPROC::delayChkptFlags, dlist_container, dlist_is_empty(), dlist_node_init(), dlist_pop_head_node(), elog, ereport, errcode(), errmsg(), ERROR, FATAL, PGPROC::fpLocalTransactionId, PGPROC::fpVXIDLock, PROC_HDR::freeProcs, GetNumberFromPGProc, i, InitDeadLockChecking(), InitLWLockAccess(), INVALID_PROC_NUMBER, InvalidLocalTransactionId, InvalidOid, InvalidTransactionId, InvalidXLogRecPtr, PGPROC::isRegularBackend, IsUnderPostmaster, PGPROC::links, links, PGPROC::lockGroupLeader, PGPROC::lockGroupMembers, LW_WS_NOT_WAITING, PGPROC::lwWaiting, PGPROC::lwWaitMode, PGPROC::lxid, max_wal_senders, MyProc, PGPROC::myProcLocks, MyProcNumber, MyProcPid, NUM_LOCK_PARTITIONS, on_shmem_exit(), OwnLatch(), PANIC, pg_atomic_read_u32(), pg_atomic_write_u64(), PGSemaphoreReset(), pgstat_set_wait_event_storage(), PGPROC::pid, PROC_IS_AUTOVACUUM, PROC_WAIT_STATUS_OK, PGPROC::procArrayGroupMember, PGPROC::procArrayGroupMemberXid, PGPROC::procArrayGroupNext, ProcGlobal, PGPROC::procgloballist, ProcKill(), PGPROC::procLatch, PGPROC::procNumber, ProcStructLock, PGPROC::recoveryConflictPending, RegisterPostmasterChildActive(), PGPROC::roleId, PGPROC::sem, set_spins_per_delay(), SpinLockAcquire, SpinLockRelease, PROC_HDR::spins_per_delay, PGPROC::statusFlags, SwitchToSharedLatch(), SYNC_REP_NOT_WAITING, PGPROC::syncRepLinks, PGPROC::syncRepState, PGPROC::tempNamespaceId, TRANSACTION_STATUS_IN_PROGRESS, PGPROC::vxid, PGPROC::wait_event_info, PGPROC::waitLock, PGPROC::waitLSN, PGPROC::waitProcLock, PGPROC::waitStart, PGPROC::waitStatus, PROC_HDR::walsenderFreeProcs, PGPROC::xid, and PGPROC::xmin.
Referenced by AutoVacLauncherMain(), AutoVacWorkerMain(), BackendMain(), BackgroundWorkerMain(), BootstrapModeMain(), PostgresSingleUserMain(), and ReplSlotSyncWorkerMain().
void InitProcessPhase2 | ( | void | ) |
Definition at line 531 of file proc.c.
References Assert(), MyProc, on_shmem_exit(), ProcArrayAdd(), and RemoveProcFromArray().
Referenced by InitPostgres().
void InitProcGlobal | ( | void | ) |
Definition at line 165 of file proc.c.
References PROC_HDR::allProcCount, PROC_HDR::allProcs, Assert(), PROC_HDR::autovacFreeProcs, autovacuum_worker_slots, AuxiliaryProcs, PROC_HDR::bgworkerFreeProcs, PROC_HDR::checkpointerProc, PROC_HDR::clogGroupFirst, PGPROC::clogGroupNext, DEFAULT_SPINS_PER_DELAY, dlist_init(), dlist_push_tail(), FastPathLockGroupsPerBackend, FastPathLockSlotsPerBackend, PGPROC::fpInfoLock, PGPROC::fpLockBits, PGPROC::fpRelId, PROC_HDR::freeProcs, i, InitSharedLatch(), INVALID_PROC_NUMBER, j, PGPROC::links, PGPROC::lockGroupMembers, LWLockInitialize(), LWTRANCHE_LOCK_FASTPATH, max_prepared_xacts, max_worker_processes, MAXALIGN, MaxBackends, MaxConnections, MemSet, PGPROC::myProcLocks, NUM_AUXILIARY_PROCS, NUM_LOCK_PARTITIONS, NUM_SPECIAL_WORKER_PROCS, pg_atomic_init_u32(), pg_atomic_init_u64(), PG_USED_FOR_ASSERTS_ONLY, PGSemaphoreCreate(), PreparedXactProcs, PROC_HDR::procArrayGroupFirst, PGPROC::procArrayGroupNext, ProcGlobal, PGPROC::procgloballist, PGPROC::procLatch, ProcStructLock, PGPROC::sem, ShmemAlloc(), ShmemInitStruct(), SpinLockInit, PROC_HDR::spins_per_delay, PROC_HDR::startupBufferPinWaitBufId, PROC_HDR::statusFlags, PROC_HDR::subxidStates, PGPROC::waitStart, PROC_HDR::walsenderFreeProcs, PROC_HDR::walwriterProc, and PROC_HDR::xids.
Referenced by CreateOrAttachShmemStructs().
ProcWaitStatus JoinWaitQueue | ( | LOCALLOCK * | locallock, |
LockMethod | lockMethodTable, | ||
bool | dontWait | ||
) |
Definition at line 1089 of file proc.c.
References Assert(), LockMethodData::conflictTab, dlist_iter::cur, dclist_foreach, dclist_insert_before(), dclist_is_empty(), dclist_push_tail(), dlist_container, dlist_foreach, GrantLock(), PROCLOCK::groupLeader, LOCALLOCK::hashcode, PGPROC::heldLocks, PROCLOCK::holdMask, PGPROC::links, links, LOCALLOCK::lock, LOCKBIT_ON, LockCheckConflicts(), PGPROC::lockGroupLeader, LockHashPartitionLock, LW_EXCLUSIVE, LWLockHeldByMeInMode(), LOCALLOCKTAG::mode, MyProc, PG_USED_FOR_ASSERTS_ONLY, PROC_WAIT_STATUS_ERROR, PROC_WAIT_STATUS_OK, PROC_WAIT_STATUS_WAITING, LOCALLOCK::proclock, LOCK::procLocks, RememberSimpleDeadLock(), LOCALLOCK::tag, PGPROC::waitLock, PGPROC::waitLockMode, LOCK::waitMask, PGPROC::waitProcLock, LOCK::waitProcs, and PGPROC::waitStatus.
Referenced by LockAcquireExtended().
void LockErrorCleanup | ( | void | ) |
Definition at line 764 of file proc.c.
References AbortStrongLockAcquire(), DEADLOCK_TIMEOUT, disable_timeouts(), dlist_node_is_detached(), GetAwaitedLock(), GrantAwaitedLock(), LOCALLOCK::hashcode, HOLD_INTERRUPTS, DisableTimeoutParams::id, DisableTimeoutParams::keep_indicator, PGPROC::links, LOCK_TIMEOUT, LockHashPartitionLock, LW_EXCLUSIVE, LWLockAcquire(), LWLockRelease(), MyProc, PROC_WAIT_STATUS_OK, RemoveFromWaitQueue(), RESUME_INTERRUPTS, and PGPROC::waitStatus.
Referenced by AbortSubTransaction(), AbortTransaction(), ProcessInterrupts(), ProcessRecoveryConflictInterrupt(), and ProcReleaseLocks().
int ProcGlobalSemas | ( | void | ) |
Definition at line 130 of file proc.c.
References MaxBackends, and NUM_AUXILIARY_PROCS.
Referenced by CalculateShmemSize().
Size ProcGlobalShmemSize | ( | void | ) |
Definition at line 97 of file proc.c.
References add_size(), FastPathLockGroupsPerBackend, FastPathLockSlotsPerBackend, max_prepared_xacts, MAXALIGN, MaxBackends, mul_size(), NUM_AUXILIARY_PROCS, ProcGlobal, PROC_HDR::statusFlags, PROC_HDR::subxidStates, and PROC_HDR::xids.
Referenced by CalculateShmemSize().
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Definition at line 868 of file proc.c.
References Assert(), AutovacuumLauncherPid, ConditionVariableCancelSleep(), DisownLatch(), dlist_delete(), dlist_is_empty(), dlist_push_head(), dlist_push_tail(), elog, i, INVALID_PROC_NUMBER, InvalidTransactionId, kill, PGPROC::links, PGPROC::lockGroupLeader, PGPROC::lockGroupLink, PGPROC::lockGroupMembers, LockHashPartitionLockByProc, LW_EXCLUSIVE, LWLockAcquire(), LWLockRelease(), LWLockReleaseAll(), PGPROC::lxid, MyProc, PGPROC::myProcLocks, MyProcNumber, NUM_LOCK_PARTITIONS, PANIC, pgstat_reset_wait_event_storage(), PGPROC::pid, ProcGlobal, PGPROC::procgloballist, PGPROC::procLatch, PGPROC::procNumber, ProcStructLock, SIGUSR2, SpinLockAcquire, SpinLockRelease, PROC_HDR::spins_per_delay, SwitchBackToLocalLatch(), SyncRepCleanupAtProcExit(), update_spins_per_delay(), and PGPROC::vxid.
Referenced by InitProcess().
void ProcLockWakeup | ( | LockMethod | lockMethodTable, |
LOCK * | lock | ||
) |
Definition at line 1688 of file proc.c.
References LockMethodData::conflictTab, dlist_mutable_iter::cur, dclist_foreach_modify, dclist_is_empty(), dlist_container, GrantLock(), links, LOCKBIT_ON, LockCheckConflicts(), PROC_WAIT_STATUS_OK, ProcWakeup(), PGPROC::waitLockMode, PGPROC::waitProcLock, and LOCK::waitProcs.
Referenced by CleanUpLock(), and DeadLockCheck().
void ProcReleaseLocks | ( | bool | isCommit | ) |
Definition at line 840 of file proc.c.
References DEFAULT_LOCKMETHOD, LockErrorCleanup(), LockReleaseAll(), MyProc, and USER_LOCKMETHOD.
Referenced by ResourceOwnerReleaseInternal().
void ProcSendSignal | ( | ProcNumber | procNumber | ) |
Definition at line 1935 of file proc.c.
References PROC_HDR::allProcCount, PROC_HDR::allProcs, elog, ERROR, ProcGlobal, PGPROC::procLatch, and SetLatch().
Referenced by ReleasePredicateLocks(), and UnpinBufferNoOwner().
ProcWaitStatus ProcSleep | ( | LOCALLOCK * | locallock | ) |
Definition at line 1258 of file proc.c.
References AccessExclusiveLock, appendStringInfo(), Assert(), buf, CHECK_FOR_INTERRUPTS, CheckDeadLock(), CheckRecoveryConflictDeadlock(), StringInfoData::data, deadlock_state, DEADLOCK_TIMEOUT, DeadlockTimeout, DEBUG1, EnableTimeoutParams::delay_ms, DescribeLockTag(), disable_timeout(), disable_timeouts(), DS_BLOCKED_BY_AUTOVACUUM, DS_HARD_DEADLOCK, DS_NO_DEADLOCK, DS_NOT_YET_CHECKED, DS_SOFT_DEADLOCK, enable_timeout_after(), enable_timeouts(), ereport, errdetail_log(), errdetail_log_plural(), errmsg(), errmsg_internal(), get_timeout_start_time(), GetAwaitedLock(), GetBlockingAutoVacuumPgproc(), GetCurrentTimestamp(), GetLockConflicts(), GetLockHoldersAndWaiters(), GetLockmodeName(), got_deadlock_timeout, LOCALLOCK::hashcode, EnableTimeoutParams::id, DisableTimeoutParams::id, InHotStandby, initStringInfo(), InRecovery, DisableTimeoutParams::keep_indicator, kill, LOCALLOCKTAG::lock, LOCALLOCK::lock, LOCK_TIMEOUT, LockHashPartitionLock, LOCKTAG::locktag_lockmethodid, LOCKTAG::locktag_type, LockTimeout, LOG, log_lock_waits, log_recovery_conflict_waits, LogRecoveryConflict(), LW_EXCLUSIVE, LW_SHARED, LWLockAcquire(), LWLockHeldByMe(), LWLockRelease(), message_level_is_interesting(), LOCALLOCKTAG::mode, MyLatch, MyProc, MyProcPid, now(), pfree(), pg_atomic_write_u64(), PG_WAIT_LOCK, PGPROC::pgxactoff, PGPROC::pid, PROC_IS_AUTOVACUUM, PROC_VACUUM_FOR_WRAPAROUND, PROC_WAIT_STATUS_ERROR, PROC_WAIT_STATUS_OK, PROC_WAIT_STATUS_WAITING, ProcGlobal, PROCSIG_RECOVERY_CONFLICT_LOCK, RecoveryInProgress(), ResetLatch(), ResolveRecoveryConflictWithLock(), PROC_HDR::statusFlags, LOCK::tag, LOCALLOCK::tag, TimestampDifference(), TimestampDifferenceExceeds(), TMPARAM_AFTER, EnableTimeoutParams::type, WaitLatch(), PGPROC::waitStart, PGPROC::waitStatus, WARNING, WL_EXIT_ON_PM_DEATH, and WL_LATCH_SET.
Referenced by WaitOnLock().
void ProcWaitForSignal | ( | uint32 | wait_event_info | ) |
Definition at line 1923 of file proc.c.
References CHECK_FOR_INTERRUPTS, MyLatch, ResetLatch(), WaitLatch(), WL_EXIT_ON_PM_DEATH, and WL_LATCH_SET.
Referenced by GetSafeSnapshot(), LockBufferForCleanup(), ResolveRecoveryConflictWithBufferPin(), and ResolveRecoveryConflictWithLock().
void ProcWakeup | ( | PGPROC * | proc, |
ProcWaitStatus | waitStatus | ||
) |
Definition at line 1660 of file proc.c.
References Assert(), dclist_delete_from_thoroughly(), dlist_node_is_detached(), PGPROC::links, MyProc, pg_atomic_write_u64(), PROC_WAIT_STATUS_WAITING, PGPROC::procLatch, SetLatch(), PGPROC::waitLock, PGPROC::waitProcLock, LOCK::waitProcs, PGPROC::waitStart, and PGPROC::waitStatus.
Referenced by ProcLockWakeup().
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Definition at line 857 of file proc.c.
References Assert(), InvalidTransactionId, MyProc, and ProcArrayRemove().
Referenced by InitProcessPhase2().
void SetStartupBufferPinWaitBufId | ( | int | bufid | ) |
Definition at line 705 of file proc.c.
References ProcGlobal, and PROC_HDR::startupBufferPinWaitBufId.
Referenced by LockBufferForCleanup().
NON_EXEC_STATIC PGPROC* AuxiliaryProcs = NULL |
Definition at line 79 of file proc.c.
Referenced by AuxiliaryPidGetProc(), AuxiliaryProcKill(), InitAuxiliaryProcess(), and InitProcGlobal().
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Definition at line 82 of file proc.c.
Referenced by CheckDeadLock(), and ProcSleep().
int DeadlockTimeout = 1000 |
Definition at line 57 of file proc.c.
Referenced by LockBufferForCleanup(), ProcSleep(), ResolveRecoveryConflictWithBufferPin(), ResolveRecoveryConflictWithLock(), and ResolveRecoveryConflictWithVirtualXIDs().
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Definition at line 85 of file proc.c.
Referenced by CheckDeadLockAlert(), and ProcSleep().
int IdleInTransactionSessionTimeout = 0 |
Definition at line 60 of file proc.c.
Referenced by PostgresMain(), and ProcessInterrupts().
int IdleSessionTimeout = 0 |
Definition at line 62 of file proc.c.
Referenced by PostgresMain(), and ProcessInterrupts().
int LockTimeout = 0 |
Definition at line 59 of file proc.c.
Referenced by ProcSleep().
bool log_lock_waits = false |
Definition at line 63 of file proc.c.
Referenced by ProcSleep().
PGPROC* MyProc = NULL |
Definition at line 66 of file proc.c.
Referenced by _brin_parallel_build_main(), _bt_parallel_build_main(), _gin_parallel_build_main(), AbortTransaction(), AtEOSubXact_Namespace(), AtEOXact_Namespace(), AtEOXact_Snapshot(), attach_to_queues(), AutoVacWorkerMain(), AuxiliaryProcKill(), BaseInit(), BecomeLockGroupLeader(), BecomeLockGroupMember(), CheckDeadLock(), CommitTransaction(), ComputeXidHorizons(), ConditionVariableBroadcast(), consume_xids_common(), CountOtherDBBackends(), CreateReplicationSlot(), DefineIndex(), EndPrepare(), errdetail_abort(), exec_eval_simple_expr(), exec_simple_check_plan(), exec_stmt_call(), ExecParallelGetReceiver(), ExecParallelSetupTupleQueues(), ExportSnapshot(), FastPathGetRelationLockEntry(), FastPathGrantRelationLock(), FastPathUnGrantRelationLock(), FindLockCycleRecurseMember(), fmgr_sql(), get_cast_hashentry(), GetCurrentVirtualXIDs(), GetLockConflicts(), GetNewTransactionId(), GetSerializableTransactionSnapshotInt(), GetSnapshotData(), GetSnapshotDataReuse(), GetStableLatestTransactionId(), heap_inplace_update_and_unlock(), init_sql_fcache(), InitAuxiliaryProcess(), InitBufferManagerAccess(), InitializeParallelDSM(), InitPostgres(), InitProcess(), InitProcessPhase2(), InitRecoveryTransactionEnvironment(), InitTempTableNamespace(), InitWalSender(), JoinWaitQueue(), lock_and_open_sequence(), LockAcquireExtended(), LockCheckConflicts(), LockErrorCleanup(), LockRelease(), LockReleaseAll(), log_status_format(), logicalrep_worker_attach(), LWLockAcquire(), LWLockAcquireOrWait(), LWLockAttemptLock(), LWLockDequeueSelf(), LWLockQueueSelf(), LWLockWaitForVar(), MarkAsPreparingGuts(), MarkBufferDirtyHint(), MinimumActiveBackends(), pa_setup_dsm(), parallel_vacuum_main(), ParallelApplyWorkerMain(), ParallelWorkerMain(), pg_truncate_visibility_map(), pgaio_init_backend(), pgstat_report_activity(), PhysicalReplicationSlotNewXmin(), PostPrepare_Locks(), PrepareTransaction(), ProcArrayGroupClearXid(), ProcArrayInstallImportedXmin(), ProcArrayInstallRestoredXmin(), ProcessRecoveryConflictInterrupt(), ProcessStandbyHSFeedbackMessage(), ProcKill(), ProcReleaseLocks(), ProcSleep(), ProcWakeup(), RecordTransactionCommit(), RecordTransactionCommitPrepared(), ReinitializeParallelDSM(), RelationTruncate(), RemoveProcFromArray(), ReplicationSlotRelease(), ResolveRecoveryConflictWithLock(), set_indexsafe_procflags(), SetAuthenticatedUserId(), setup_dynamic_shared_memory(), shm_mq_attach(), shm_mq_detach_internal(), shm_mq_receive(), shm_mq_sendv(), shm_mq_wait_for_attach(), smgr_bulk_finish(), SnapBuildInitialSnapshot(), SnapshotResetXmin(), StartTransaction(), StartupDecodingContext(), SwitchBackToLocalLatch(), SwitchToSharedLatch(), SyncRepCancelWait(), SyncRepCleanupAtProcExit(), SyncRepQueueInsert(), SyncRepWaitForLSN(), TerminateOtherDBBackends(), TransactionGroupUpdateXidStatus(), TransactionIdIsInProgress(), TransactionIdSetPageStatus(), TruncateMultiXact(), vacuum_rel(), validate_sync_standby_slots(), VirtualXactLockTableCleanup(), VirtualXactLockTableInsert(), WaitXLogInsertionsToFinish(), write_csvlog(), write_jsonlog(), XidCacheRemoveRunningXids(), and XLogSaveBufferForHint().
PGPROC* PreparedXactProcs = NULL |
Definition at line 80 of file proc.c.
Referenced by InitProcGlobal(), and TwoPhaseShmemInit().
PROC_HDR* ProcGlobal = NULL |
Definition at line 78 of file proc.c.
Referenced by AuxiliaryProcKill(), BackendXidGetPid(), CheckpointerMain(), ComputeXidHorizons(), CountOtherDBBackends(), FastPathTransferRelationLocks(), ForwardSyncRequest(), GetCurrentVirtualXIDs(), GetLockConflicts(), GetLockStatusData(), GetNewTransactionId(), GetOldestActiveTransactionId(), GetOldestSafeDecodingTransactionId(), GetRunningTransactionData(), GetSnapshotData(), GetStartupBufferPinWaitBufId(), HaveNFreeProcs(), InitAuxiliaryProcess(), InitProcess(), InitProcGlobal(), InitWalSender(), PgArchWakeup(), ProcArrayAdd(), ProcArrayClearTransaction(), ProcArrayEndTransaction(), ProcArrayEndTransactionInternal(), ProcArrayGroupClearXid(), ProcArrayInstallImportedXmin(), ProcArrayInstallRestoredXmin(), ProcArrayRemove(), ProcArrayShmemInit(), ProcGlobalShmemSize(), ProcKill(), ProcNumberGetProc(), ProcNumberGetTransactionIds(), ProcSendSignal(), ProcSleep(), ReplicationSlotRelease(), RequestCheckpoint(), set_indexsafe_procflags(), SetStartupBufferPinWaitBufId(), StartupDecodingContext(), StrategyGetBuffer(), TransactionGroupUpdateXidStatus(), TransactionIdIsActive(), TransactionIdIsInProgress(), vacuum_rel(), WakeupWalSummarizer(), WalWriterMain(), XidCacheRemoveRunningXids(), and XLogSetAsyncXactLSN().
NON_EXEC_STATIC slock_t* ProcStructLock = NULL |
Definition at line 75 of file proc.c.
Referenced by AuxiliaryProcKill(), HaveNFreeProcs(), InitAuxiliaryProcess(), InitProcess(), InitProcGlobal(), and ProcKill().
int StatementTimeout = 0 |
Definition at line 58 of file proc.c.
Referenced by enable_statement_timeout().
int TransactionTimeout = 0 |
Definition at line 61 of file proc.c.
Referenced by AbortTransaction(), CommitTransaction(), enable_statement_timeout(), PostgresMain(), PrepareTransaction(), ProcessInterrupts(), and StartTransaction().