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📁 ..
📄 amapi.h(6.3 KB)
📄 amvalidate.h(1.19 KB)
📄 attnum.h(1.52 KB)
📄 brin.h(948 B)
📄 brin_internal.h(3.3 KB)
📄 brin_page.h(2.68 KB)
📄 brin_pageops.h(1.28 KB)
📄 brin_revmap.h(1.23 KB)
📄 brin_tuple.h(3.05 KB)
📄 brin_xlog.h(3.28 KB)
📄 clog.h(1.54 KB)
📄 commit_ts.h(2.09 KB)
📄 genam.h(7.31 KB)
📄 generic_xlog.h(1.42 KB)
📄 gin.h(2.3 KB)
📄 gin_private.h(33.12 KB)
📄 gist.h(6.51 KB)
📄 gist_private.h(19.82 KB)
📄 gistscan.h(729 B)
📄 hash.h(13.54 KB)
📄 heapam.h(7.76 KB)
📄 heapam_xlog.h(12.61 KB)
📄 hio.h(1.26 KB)
📄 htup.h(3.16 KB)
📄 htup_details.h(28.31 KB)
📄 itup.h(4.36 KB)
📄 multixact.h(5.13 KB)
📄 nbtree.h(30.22 KB)
📄 parallel.h(2.28 KB)
📄 printtup.h(1.03 KB)
📄 reloptions.h(8.88 KB)
📄 relscan.h(5.63 KB)
📄 rewriteheap.h(1.79 KB)
📄 rmgr.h(609 B)
📄 rmgrlist.h(2.97 KB)
📄 sdir.h(1.43 KB)
📄 skey.h(6.26 KB)
📄 slru.h(5.49 KB)
📄 spgist.h(7.04 KB)
📄 spgist_private.h(21.82 KB)
📄 stratnum.h(2.67 KB)
📄 subtrans.h(973 B)
📄 sysattr.h(890 B)
📄 timeline.h(1.59 KB)
📄 transam.h(6.29 KB)
📄 tsmapi.h(2.55 KB)
📄 tupconvert.h(1.4 KB)
📄 tupdesc.h(4.36 KB)
📄 tupmacs.h(7.16 KB)
📄 tuptoaster.h(7.18 KB)
📄 twophase.h(1.82 KB)
📄 twophase_rmgr.h(1.24 KB)
📄 valid.h(1.4 KB)
📄 visibilitymap.h(1.77 KB)
📄 xact.h(12.29 KB)
📄 xlog.h(10.91 KB)
📄 xlog_fn.h(1.41 KB)
📄 xlog_internal.h(10.29 KB)
📄 xlogdefs.h(3.11 KB)
📄 xloginsert.h(2.28 KB)
📄 xlogreader.h(7.11 KB)
📄 xlogrecord.h(7.76 KB)
📄 xlogutils.h(1.76 KB)

Editing: parallel.h

/*-------------------------------------------------------------------------
 *
 * parallel.h
 *	  Infrastructure for launching parallel workers
 *
 * Portions Copyright (c) 1996-2016, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/access/parallel.h
 *
 *-------------------------------------------------------------------------
 */

#ifndef PARALLEL_H
#define PARALLEL_H

#include "access/xlogdefs.h"
#include "lib/ilist.h"
#include "postmaster/bgworker.h"
#include "storage/shm_mq.h"
#include "storage/shm_toc.h"

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

typedef struct ParallelWorkerInfo
{
	BackgroundWorkerHandle *bgwhandle;
	shm_mq_handle *error_mqh;
	int32		pid;
} ParallelWorkerInfo;

typedef struct ParallelContext
{
	dlist_node	node;
	SubTransactionId subid;
	int			nworkers;
	int			nworkers_launched;
	parallel_worker_main_type entrypoint;
	char	   *library_name;
	char	   *function_name;
	ErrorContextCallback *error_context_stack;
	shm_toc_estimator estimator;
	dsm_segment *seg;
	void	   *private_memory;
	shm_toc    *toc;
	ParallelWorkerInfo *worker;
	bool	   *any_message_received;
} ParallelContext;

extern volatile bool ParallelMessagePending;
extern int	ParallelWorkerNumber;
extern bool InitializingParallelWorker;

#define		IsParallelWorker()		(ParallelWorkerNumber >= 0)

extern ParallelContext *CreateParallelContext(parallel_worker_main_type entrypoint, int nworkers);
extern ParallelContext *CreateParallelContextForExternalFunction(char *library_name, char *function_name, int nworkers);
extern void InitializeParallelDSM(ParallelContext *pcxt);
extern void ReinitializeParallelDSM(ParallelContext *pcxt);
extern void LaunchParallelWorkers(ParallelContext *pcxt);
extern void WaitForParallelWorkersToFinish(ParallelContext *pcxt);
extern void DestroyParallelContext(ParallelContext *pcxt);
extern bool ParallelContextActive(void);

extern void HandleParallelMessageInterrupt(void);
extern void HandleParallelMessages(void);
extern void AtEOXact_Parallel(bool isCommit);
extern void AtEOSubXact_Parallel(bool isCommit, SubTransactionId mySubId);
extern void ParallelWorkerReportLastRecEnd(XLogRecPtr last_xlog_end);

extern void ParallelWorkerMain(Datum main_arg);

#endif   /* PARALLEL_H */

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