PostgreSQL Source Code: src/include/access/parallel.h File Reference (original) (raw)

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◆ IsParallelWorker

◆ parallel_worker_main_type

◆ ParallelContext

◆ ParallelWorkerContext

◆ ParallelWorkerInfo

◆ AtEOSubXact_Parallel()

Definition at line 1263 of file parallel.c.

1264{

1266 {

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1271 break;

1273 elog(WARNING, "leaked parallel context");

1275 }

1276}

void DestroyParallelContext(ParallelContext *pcxt)

static dlist_head pcxt_list

#define dlist_head_element(type, membername, lhead)

static bool dlist_is_empty(const dlist_head *head)

References DestroyParallelContext(), dlist_head_element, dlist_is_empty(), elog, fb(), pcxt_list, ParallelContext::subid, and WARNING.

Referenced by AbortSubTransaction(), and CommitSubTransaction().

◆ AtEOXact_Parallel()

◆ CreateParallelContext()

Definition at line 175 of file parallel.c.

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185 Assert(nworkers >= 0);

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204 return pcxt;

205}

#define Assert(condition)

ErrorContextCallback * error_context_stack

#define palloc0_object(type)

static void dlist_push_head(dlist_head *head, dlist_node *node)

MemoryContext TopTransactionContext

char * pstrdup(const char *in)

static MemoryContext MemoryContextSwitchTo(MemoryContext context)

#define shm_toc_initialize_estimator(e)

ErrorContextCallback * error_context_stack

shm_toc_estimator estimator

SubTransactionId GetCurrentSubTransactionId(void)

bool IsInParallelMode(void)

References Assert, dlist_push_head(), error_context_stack, ParallelContext::error_context_stack, ParallelContext::estimator, ParallelContext::function_name, GetCurrentSubTransactionId(), IsInParallelMode(), ParallelContext::library_name, MemoryContextSwitchTo(), ParallelContext::node, ParallelContext::nworkers, ParallelContext::nworkers_to_launch, palloc0_object, pcxt_list, pstrdup(), shm_toc_initialize_estimator, ParallelContext::subid, and TopTransactionContext.

Referenced by _brin_begin_parallel(), _bt_begin_parallel(), _gin_begin_parallel(), ExecInitParallelPlan(), and parallel_vacuum_init().

◆ DestroyParallelContext()

Definition at line 959 of file parallel.c.

960{

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static void WaitForParallelWorkersToExit(ParallelContext *pcxt)

void TerminateBackgroundWorker(BackgroundWorkerHandle *handle)

void dsm_detach(dsm_segment *seg)

static void dlist_delete(dlist_node *node)

void pfree(void *pointer)

#define RESUME_INTERRUPTS()

#define HOLD_INTERRUPTS()

void shm_mq_detach(shm_mq_handle *mqh)

ParallelWorkerInfo * worker

BackgroundWorkerHandle * bgwhandle

shm_mq_handle * error_mqh

References ParallelWorkerInfo::bgwhandle, dlist_delete(), dsm_detach(), ParallelWorkerInfo::error_mqh, fb(), ParallelContext::function_name, HOLD_INTERRUPTS, i, ParallelContext::library_name, ParallelContext::node, ParallelContext::nworkers_launched, pfree(), ParallelContext::private_memory, RESUME_INTERRUPTS, ParallelContext::seg, shm_mq_detach(), TerminateBackgroundWorker(), WaitForParallelWorkersToExit(), and ParallelContext::worker.

Referenced by _brin_begin_parallel(), _brin_end_parallel(), _bt_begin_parallel(), _bt_end_parallel(), _gin_begin_parallel(), _gin_end_parallel(), AtEOSubXact_Parallel(), AtEOXact_Parallel(), ExecParallelCleanup(), and parallel_vacuum_end().

◆ HandleParallelMessageInterrupt()

◆ InitializeParallelDSM()

Definition at line 213 of file parallel.c.

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354 &fps->temp_toast_namespace_id);

355 fps->parallel_leader_pgproc = MyProc;

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#define PARALLEL_KEY_TRANSACTION_STATE

#define PARALLEL_KEY_UNCOMMITTEDENUMS

#define PARALLEL_KEY_TRANSACTION_SNAPSHOT

#define PARALLEL_KEY_CLIENTCONNINFO

#define PARALLEL_KEY_PENDING_SYNCS

#define PARALLEL_KEY_ACTIVE_SNAPSHOT

#define PARALLEL_KEY_ERROR_QUEUE

#define PARALLEL_KEY_SESSION_DSM

#define PARALLEL_KEY_REINDEX_STATE

#define PARALLEL_KEY_LIBRARY

#define PARALLEL_KEY_FIXED

#define PARALLEL_KEY_ENTRYPOINT

#define PARALLEL_KEY_COMBO_CID

#define PARALLEL_ERROR_QUEUE_SIZE

#define PARALLEL_KEY_RELMAPPER_STATE

#define StaticAssertDecl(condition, errmessage)

void SerializeComboCIDState(Size maxsize, char *start_address)

Size EstimateComboCIDStateSpace(void)

void SerializeLibraryState(Size maxsize, char *start_address)

Size EstimateLibraryStateSpace(void)

void * dsm_segment_address(dsm_segment *seg)

dsm_segment * dsm_create(Size size, int flags)

#define DSM_CREATE_NULL_IF_MAXSEGMENTS

#define DSM_HANDLE_INVALID

#define palloc0_array(type, count)

void SerializeGUCState(Size maxsize, char *start_address)

Size EstimateGUCStateSpace(void)

bool current_role_is_superuser

void SerializeReindexState(Size maxsize, char *start_address)

Size EstimateReindexStateSpace(void)

void * MemoryContextAlloc(MemoryContext context, Size size)

MemoryContext TopMemoryContext

#define INTERRUPTS_CAN_BE_PROCESSED()

void GetUserIdAndSecContext(Oid *userid, int *sec_context)

bool GetSessionUserIsSuperuser(void)

Size EstimateClientConnectionInfoSpace(void)

Oid GetSessionUserId(void)

Oid GetAuthenticatedUserId(void)

Oid GetCurrentRoleId(void)

void SerializeClientConnectionInfo(Size maxsize PG_USED_FOR_ASSERTS_ONLY, char *start_address)

void GetTempNamespaceState(Oid *tempNamespaceId, Oid *tempToastNamespaceId)

Size EstimateUncommittedEnumsSpace(void)

void SerializeUncommittedEnums(void *space, Size size)

SerializableXactHandle ShareSerializableXact(void)

Size EstimateRelationMapSpace(void)

void SerializeRelationMap(Size maxSize, char *startAddress)

dsm_handle GetSessionDsmHandle(void)

shm_mq * shm_mq_create(void *address, Size size)

void shm_mq_set_receiver(shm_mq *mq, PGPROC *proc)

shm_mq_handle * shm_mq_attach(shm_mq *mq, dsm_segment *seg, BackgroundWorkerHandle *handle)

void * shm_toc_allocate(shm_toc *toc, Size nbytes)

Size shm_toc_estimate(shm_toc_estimator *e)

shm_toc * shm_toc_create(uint64 magic, void *address, Size nbytes)

void shm_toc_insert(shm_toc *toc, uint64 key, void *address)

#define shm_toc_estimate_chunk(e, sz)

#define shm_toc_estimate_keys(e, cnt)

Size mul_size(Size s1, Size s2)

void SerializeSnapshot(Snapshot snapshot, char *start_address)

Snapshot GetTransactionSnapshot(void)

Size EstimateSnapshotSpace(Snapshot snapshot)

Snapshot GetActiveSnapshot(void)

static void SpinLockInit(volatile slock_t *lock)

void SerializePendingSyncs(Size maxSize, char *startAddress)

Size EstimatePendingSyncsSpace(void)

void SerializeTransactionState(Size maxsize, char *start_address)

Size EstimateTransactionStateSpace(void)

TimestampTz GetCurrentStatementStartTimestamp(void)

TimestampTz GetCurrentTransactionStartTimestamp(void)

#define IsolationUsesXactSnapshot()

#define InvalidXLogRecPtr

References BUFFERALIGN, current_role_is_superuser, dsm_create(), DSM_CREATE_NULL_IF_MAXSEGMENTS, DSM_HANDLE_INVALID, dsm_segment_address(), ParallelWorkerInfo::error_mqh, EstimateClientConnectionInfoSpace(), EstimateComboCIDStateSpace(), EstimateGUCStateSpace(), EstimateLibraryStateSpace(), EstimatePendingSyncsSpace(), EstimateReindexStateSpace(), EstimateRelationMapSpace(), EstimateSnapshotSpace(), EstimateTransactionStateSpace(), EstimateUncommittedEnumsSpace(), ParallelContext::estimator, fb(), ParallelContext::function_name, GetActiveSnapshot(), GetAuthenticatedUserId(), GetCurrentRoleId(), GetCurrentStatementStartTimestamp(), GetCurrentTransactionStartTimestamp(), GetSessionDsmHandle(), GetSessionUserId(), GetSessionUserIsSuperuser(), GetTempNamespaceState(), GetTransactionSnapshot(), GetUserIdAndSecContext(), i, INTERRUPTS_CAN_BE_PROCESSED, InvalidXLogRecPtr, IsolationUsesXactSnapshot, ParallelContext::library_name, MemoryContextAlloc(), MemoryContextSwitchTo(), mul_size(), MyDatabaseId, MyProc, MyProcNumber, MyProcPid, ParallelContext::nworkers, ParallelContext::nworkers_to_launch, palloc0_array, PARALLEL_ERROR_QUEUE_SIZE, PARALLEL_KEY_ACTIVE_SNAPSHOT, PARALLEL_KEY_CLIENTCONNINFO, PARALLEL_KEY_COMBO_CID, PARALLEL_KEY_ENTRYPOINT, PARALLEL_KEY_ERROR_QUEUE, PARALLEL_KEY_FIXED, PARALLEL_KEY_GUC, PARALLEL_KEY_LIBRARY, PARALLEL_KEY_PENDING_SYNCS, PARALLEL_KEY_REINDEX_STATE, PARALLEL_KEY_RELMAPPER_STATE, PARALLEL_KEY_SESSION_DSM, PARALLEL_KEY_TRANSACTION_SNAPSHOT, PARALLEL_KEY_TRANSACTION_STATE, PARALLEL_KEY_UNCOMMITTEDENUMS, PARALLEL_MAGIC, ParallelContext::private_memory, ParallelContext::seg, SerializeClientConnectionInfo(), SerializeComboCIDState(), SerializeGUCState(), SerializeLibraryState(), SerializePendingSyncs(), SerializeReindexState(), SerializeRelationMap(), SerializeSnapshot(), SerializeTransactionState(), SerializeUncommittedEnums(), ShareSerializableXact(), shm_mq_attach(), shm_mq_create(), shm_mq_set_receiver(), shm_toc_allocate(), shm_toc_create(), shm_toc_estimate(), shm_toc_estimate_chunk, shm_toc_estimate_keys, shm_toc_insert(), SpinLockInit(), start, StaticAssertDecl, ParallelContext::toc, TopMemoryContext, TopTransactionContext, and ParallelContext::worker.

Referenced by _brin_begin_parallel(), _bt_begin_parallel(), _gin_begin_parallel(), ExecInitParallelPlan(), and parallel_vacuum_init().

◆ LaunchParallelWorkers()

Definition at line 583 of file parallel.c.

584{

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604 memset(&worker, 0, sizeof(worker));

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bool RegisterDynamicBackgroundWorker(BackgroundWorker *worker, BackgroundWorkerHandle **handle)

#define BGW_NEVER_RESTART

#define BGWORKER_CLASS_PARALLEL

@ BgWorkerStart_ConsistentState

#define BGWORKER_BACKEND_DATABASE_CONNECTION

#define BGWORKER_SHMEM_ACCESS

dsm_handle dsm_segment_handle(dsm_segment *seg)

static Datum UInt32GetDatum(uint32 X)

void shm_mq_set_handle(shm_mq_handle *mqh, BackgroundWorkerHandle *handle)

void BecomeLockGroupLeader(void)

char bgw_function_name[BGW_MAXLEN]

char bgw_name[BGW_MAXLEN]

char bgw_type[BGW_MAXLEN]

BgWorkerStartTime bgw_start_time

char bgw_extra[BGW_EXTRALEN]

char bgw_library_name[MAXPGPATH]

bool * known_attached_workers

int nknown_attached_workers

References Assert, BecomeLockGroupLeader(), BackgroundWorker::bgw_extra, BackgroundWorker::bgw_flags, BackgroundWorker::bgw_function_name, BackgroundWorker::bgw_library_name, BackgroundWorker::bgw_main_arg, BGW_MAXLEN, BackgroundWorker::bgw_name, BGW_NEVER_RESTART, BackgroundWorker::bgw_notify_pid, BackgroundWorker::bgw_restart_time, BackgroundWorker::bgw_start_time, BackgroundWorker::bgw_type, ParallelWorkerInfo::bgwhandle, BGWORKER_BACKEND_DATABASE_CONNECTION, BGWORKER_CLASS_PARALLEL, BGWORKER_SHMEM_ACCESS, BgWorkerStart_ConsistentState, dsm_segment_handle(), ParallelWorkerInfo::error_mqh, fb(), i, ParallelContext::known_attached_workers, MemoryContextSwitchTo(), MyProcPid, ParallelContext::nknown_attached_workers, ParallelContext::nworkers, ParallelContext::nworkers_launched, ParallelContext::nworkers_to_launch, palloc0_array, RegisterDynamicBackgroundWorker(), ParallelContext::seg, shm_mq_detach(), shm_mq_set_handle(), snprintf, sprintf, TopTransactionContext, UInt32GetDatum(), and ParallelContext::worker.

Referenced by _brin_begin_parallel(), _bt_begin_parallel(), _gin_begin_parallel(), ExecGather(), ExecGatherMerge(), and parallel_vacuum_process_all_indexes().

◆ ParallelContextActive()

◆ ParallelWorkerMain()

Definition at line 1301 of file parallel.c.

1302{

1311 char *library_name;

1312 char *function_name;

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1356 errmsg("could not map dynamic shared memory segment")));

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1361 errmsg("invalid magic number in dynamic shared memory segment")));

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static parallel_worker_main_type LookupParallelWorkerFunction(const char *libraryname, const char *funcname)

bool InitializingParallelWorker

static FixedParallelState * MyFixedParallelState

static pid_t ParallelLeaderPid

static void ParallelWorkerShutdown(int code, Datum arg)

void BackgroundWorkerUnblockSignals(void)

void BackgroundWorkerInitializeConnectionByOid(Oid dboid, Oid useroid, uint32 flags)

#define BGWORKER_BYPASS_ROLELOGINCHECK

#define BGWORKER_BYPASS_ALLOWCONN

void RestoreComboCIDState(char *comboCIDstate)

void RestoreLibraryState(char *start_address)

dsm_segment * dsm_attach(dsm_handle h)

int errcode(int sqlerrcode)

#define ereport(elevel,...)

ProcNumber ParallelLeaderProcNumber

void RestoreGUCState(void *gucstate)

const char * hba_authname(UserAuth auth_method)

void(* parallel_worker_main_type)(dsm_segment *seg, shm_toc *toc)

void RestoreReindexState(const void *reindexstate)

void InvalidateSystemCaches(void)

void before_shmem_exit(pg_on_exit_callback function, Datum arg)

#define pq_putmessage(msgtype, s, len)

int GetDatabaseEncoding(void)

int SetClientEncoding(int encoding)

MemoryContext CurrentMemoryContext

#define AllocSetContextCreate

#define ALLOCSET_DEFAULT_SIZES

void InitializeSystemUser(const char *authn_id, const char *auth_method)

void SetSessionAuthorization(Oid userid, bool is_superuser)

void SetCurrentRoleId(Oid roleid, bool is_superuser)

ClientConnectionInfo MyClientConnectionInfo

void RestoreClientConnectionInfo(char *conninfo)

void SetAuthenticatedUserId(Oid userid)

void SetUserIdAndSecContext(Oid userid, int sec_context)

void SetTempNamespaceState(Oid tempNamespaceId, Oid tempToastNamespaceId)

void RestoreUncommittedEnums(void *space)

static uint32 DatumGetUInt32(Datum X)

static Datum PointerGetDatum(const void *X)

BackgroundWorker * MyBgworkerEntry

void pq_set_parallel_leader(pid_t pid, ProcNumber procNumber)

void pq_redirect_to_shm_mq(dsm_segment *seg, shm_mq_handle *mqh)

void AttachSerializableXact(SerializableXactHandle handle)

void RestoreRelationMap(char *startAddress)

void AttachSession(dsm_handle handle)

void shm_mq_set_sender(shm_mq *mq, PGPROC *proc)

void * shm_toc_lookup(shm_toc *toc, uint64 key, bool noError)

shm_toc * shm_toc_attach(uint64 magic, void *address)

void PushActiveSnapshot(Snapshot snapshot)

Snapshot RestoreSnapshot(char *start_address)

void RestoreTransactionSnapshot(Snapshot snapshot, PGPROC *source_pgproc)

void PopActiveSnapshot(void)

bool BecomeLockGroupMember(PGPROC *leader, int pid)

void RestorePendingSyncs(char *startAddress)

pid_t parallel_leader_pid

void ExitParallelMode(void)

void EnterParallelMode(void)

void StartTransactionCommand(void)

void StartParallelWorkerTransaction(char *tstatespace)

void SetParallelStartTimestamps(TimestampTz xact_ts, TimestampTz stmt_ts)

void EndParallelWorkerTransaction(void)

void CommitTransactionCommand(void)

References ALLOCSET_DEFAULT_SIZES, AllocSetContextCreate, Assert, AttachSerializableXact(), AttachSession(), ClientConnectionInfo::auth_method, ClientConnectionInfo::authn_id, BackgroundWorkerInitializeConnectionByOid(), BackgroundWorkerUnblockSignals(), BecomeLockGroupMember(), before_shmem_exit(), BackgroundWorker::bgw_extra, BGWORKER_BYPASS_ALLOWCONN, BGWORKER_BYPASS_ROLELOGINCHECK, CommitTransactionCommand(), CurrentMemoryContext, DatumGetUInt32(), DetachSession(), dsm_attach(), dsm_segment_address(), elog, EndParallelWorkerTransaction(), EnterParallelMode(), ereport, errcode(), errmsg, ERROR, ExitParallelMode(), fb(), GetDatabaseEncoding(), hba_authname(), InitializeSystemUser(), InitializingParallelWorker, InvalidateSystemCaches(), LookupParallelWorkerFunction(), MyBgworkerEntry, MyClientConnectionInfo, MyFixedParallelState, MyProc, PARALLEL_ERROR_QUEUE_SIZE, PARALLEL_KEY_ACTIVE_SNAPSHOT, PARALLEL_KEY_CLIENTCONNINFO, PARALLEL_KEY_COMBO_CID, PARALLEL_KEY_ENTRYPOINT, PARALLEL_KEY_ERROR_QUEUE, PARALLEL_KEY_FIXED, PARALLEL_KEY_GUC, PARALLEL_KEY_LIBRARY, PARALLEL_KEY_PENDING_SYNCS, PARALLEL_KEY_REINDEX_STATE, PARALLEL_KEY_RELMAPPER_STATE, PARALLEL_KEY_SESSION_DSM, PARALLEL_KEY_TRANSACTION_SNAPSHOT, PARALLEL_KEY_TRANSACTION_STATE, PARALLEL_KEY_UNCOMMITTEDENUMS, FixedParallelState::parallel_leader_pid, PARALLEL_MAGIC, ParallelLeaderPid, ParallelLeaderProcNumber, ParallelWorkerNumber, ParallelWorkerShutdown(), PointerGetDatum(), PopActiveSnapshot(), pq_putmessage, pq_redirect_to_shm_mq(), pq_set_parallel_leader(), PqMsg_Terminate, PushActiveSnapshot(), RestoreClientConnectionInfo(), RestoreComboCIDState(), RestoreGUCState(), RestoreLibraryState(), RestorePendingSyncs(), RestoreReindexState(), RestoreRelationMap(), RestoreSnapshot(), RestoreTransactionSnapshot(), RestoreUncommittedEnums(), SetAuthenticatedUserId(), SetClientEncoding(), SetCurrentRoleId(), SetParallelStartTimestamps(), SetSessionAuthorization(), SetTempNamespaceState(), SetUserIdAndSecContext(), shm_mq_attach(), shm_mq_set_sender(), shm_toc_attach(), shm_toc_lookup(), StartParallelWorkerTransaction(), StartTransactionCommand(), and TopMemoryContext.

◆ ParallelWorkerReportLastRecEnd()

◆ ProcessParallelMessages()

Definition at line 1057 of file parallel.c.

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static void ProcessParallelMessage(ParallelContext *pcxt, int i, StringInfo msg)

#define dlist_foreach(iter, lhead)

#define dlist_container(type, membername, ptr)

void MemoryContextReset(MemoryContext context)

shm_mq_result shm_mq_receive(shm_mq_handle *mqh, Size *nbytesp, void **datap, bool nowait)

void appendBinaryStringInfo(StringInfo str, const void *data, int datalen)

void initStringInfo(StringInfo str)

References ALLOCSET_DEFAULT_SIZES, AllocSetContextCreate, appendBinaryStringInfo(), dlist_iter::cur, StringInfoData::data, data, dlist_container, dlist_foreach, ereport, errcode(), errmsg, ERROR, ParallelWorkerInfo::error_mqh, fb(), HOLD_INTERRUPTS, i, initStringInfo(), MemoryContextReset(), MemoryContextSwitchTo(), ParallelContext::nworkers_launched, ParallelMessagePending, pcxt_list, pfree(), ProcessParallelMessage(), RESUME_INTERRUPTS, shm_mq_receive(), SHM_MQ_SUCCESS, SHM_MQ_WOULD_BLOCK, TopMemoryContext, and ParallelContext::worker.

Referenced by ProcessInterrupts().

◆ ReinitializeParallelDSM()

Definition at line 511 of file parallel.c.

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void WaitForParallelWorkersToFinish(ParallelContext *pcxt)

References ParallelWorkerInfo::error_mqh, fb(), i, InvalidXLogRecPtr, ParallelContext::known_attached_workers, MemoryContextSwitchTo(), MyProc, ParallelContext::nknown_attached_workers, ParallelContext::nworkers, ParallelContext::nworkers_launched, PARALLEL_ERROR_QUEUE_SIZE, PARALLEL_KEY_ERROR_QUEUE, PARALLEL_KEY_FIXED, pfree(), ParallelContext::seg, shm_mq_attach(), shm_mq_create(), shm_mq_set_receiver(), shm_toc_lookup(), start, ParallelContext::toc, TopTransactionContext, WaitForParallelWorkersToExit(), WaitForParallelWorkersToFinish(), and ParallelContext::worker.

Referenced by ExecParallelReinitialize(), and parallel_vacuum_process_all_indexes().

◆ ReinitializeParallelWorkers()

◆ WaitForParallelWorkersToAttach()

Definition at line 702 of file parallel.c.

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BgwHandleStatus GetBackgroundWorkerPid(BackgroundWorkerHandle *handle, pid_t *pidp)

int errhint(const char *fmt,...) pg_attribute_printf(1

void ResetLatch(Latch *latch)

int WaitLatch(Latch *latch, int wakeEvents, long timeout, uint32 wait_event_info)

#define CHECK_FOR_INTERRUPTS()

shm_mq * shm_mq_get_queue(shm_mq_handle *mqh)

PGPROC * shm_mq_get_sender(shm_mq *mq)

#define WL_EXIT_ON_PM_DEATH

References Assert, BGWH_STARTED, BGWH_STOPPED, ParallelWorkerInfo::bgwhandle, CHECK_FOR_INTERRUPTS, ereport, errcode(), errhint(), errmsg, ERROR, ParallelWorkerInfo::error_mqh, fb(), GetBackgroundWorkerPid(), i, ParallelContext::known_attached_workers, MyLatch, ParallelContext::nknown_attached_workers, ParallelContext::nworkers_launched, ResetLatch(), shm_mq_get_queue(), shm_mq_get_sender(), WaitLatch(), WL_EXIT_ON_PM_DEATH, WL_LATCH_SET, and ParallelContext::worker.

Referenced by _brin_begin_parallel(), _bt_begin_parallel(), and _gin_begin_parallel().

◆ WaitForParallelWorkersToFinish()

Definition at line 805 of file parallel.c.

806{

807 for (;;)

808 {

811 int i;

812

813

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815

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817

819

821 {

822

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824

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831 {

833 break;

834 }

835 }

836

838 {

839

841 {

843 break;

844 }

845

846

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850

851

853 {

856

857

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860

861

866 continue;

867

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880 errmsg("parallel worker failed to initialize"),

881 errhint("More details may be available in the server log.")));

882

883

884

885

886

887

888

889

890

891

892 }

893 }

894

898 }

899

901 {

903

907 }

908}

XLogRecPtr XactLastRecEnd

References Assert, BGWH_STOPPED, ParallelWorkerInfo::bgwhandle, CHECK_FOR_INTERRUPTS, ereport, errcode(), errhint(), errmsg, ERROR, ParallelWorkerInfo::error_mqh, fb(), GetBackgroundWorkerPid(), i, ParallelContext::known_attached_workers, MyLatch, ParallelContext::nworkers_launched, PARALLEL_KEY_FIXED, ResetLatch(), shm_mq_get_queue(), shm_mq_get_sender(), shm_toc_lookup(), ParallelContext::toc, WaitLatch(), WL_EXIT_ON_PM_DEATH, WL_LATCH_SET, ParallelContext::worker, and XactLastRecEnd.

Referenced by _brin_end_parallel(), _bt_end_parallel(), _gin_end_parallel(), ExecParallelFinish(), parallel_vacuum_process_all_indexes(), and ReinitializeParallelDSM().

◆ InitializingParallelWorker

◆ ParallelMessagePending

◆ ParallelWorkerNumber

Definition at line 117 of file parallel.c.

Referenced by _brin_parallel_build_main(), _bt_parallel_build_main(), _gin_parallel_build_main(), BuildTupleHashTable(), ExecEndAgg(), ExecEndBitmapHeapScan(), ExecEndBitmapIndexScan(), ExecEndIndexOnlyScan(), ExecEndIndexScan(), ExecEndMemoize(), ExecHashInitializeWorker(), ExecParallelGetReceiver(), ExecParallelHashEnsureBatchAccessors(), ExecParallelHashJoinSetUpBatches(), ExecParallelHashRepartitionRest(), ExecParallelReportInstrumentation(), ExecSort(), parallel_vacuum_main(), ParallelQueryMain(), and ParallelWorkerMain().