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Name	Size	Permission	Date
backendid.h	730 B	-rw-r--r--	2021-06-15 13:00
barrier.h	6.6 KB	-rw-r--r--	2021-06-15 13:00
block.h	3.21 KB	-rw-r--r--	2021-06-15 13:00
buf.h	1.06 KB	-rw-r--r--	2021-06-15 13:00
buf_internals.h	7.79 KB	-rw-r--r--	2021-06-15 13:00
buffile.h	1.67 KB	-rw-r--r--	2021-06-15 13:00
bufmgr.h	7.2 KB	-rw-r--r--	2021-06-15 13:00
bufpage.h	12.91 KB	-rw-r--r--	2021-06-15 13:00
copydir.h	561 B	-rw-r--r--	2021-06-15 13:00
fd.h	3.56 KB	-rw-r--r--	2021-06-15 13:00
freespace.h	1.23 KB	-rw-r--r--	2021-06-15 13:00
fsm_internals.h	2.24 KB	-rw-r--r--	2021-06-15 13:00
indexfsm.h	795 B	-rw-r--r--	2021-06-15 13:00
ipc.h	2.54 KB	-rw-r--r--	2021-06-15 13:00
item.h	469 B	-rw-r--r--	2021-06-15 13:00
itemid.h	4.24 KB	-rw-r--r--	2021-06-15 13:00
itemptr.h	3.72 KB	-rw-r--r--	2021-06-15 13:00
large_object.h	2.89 KB	-rw-r--r--	2021-06-15 13:00
latch.h	5.28 KB	-rw-r--r--	2021-06-15 13:00
lmgr.h	3.22 KB	-rw-r--r--	2021-06-15 13:00
lock.h	21.16 KB	-rw-r--r--	2021-06-15 13:00
lwlock.h	3.58 KB	-rw-r--r--	2021-06-15 13:00
off.h	1.58 KB	-rw-r--r--	2021-06-15 13:00
pg_sema.h	2.41 KB	-rw-r--r--	2021-06-15 13:00
pg_shmem.h	1.95 KB	-rw-r--r--	2021-06-15 13:00
pmsignal.h	2.03 KB	-rw-r--r--	2021-06-15 13:00
pos.h	1.56 KB	-rw-r--r--	2021-06-15 13:00
predicate.h	2.56 KB	-rw-r--r--	2021-06-15 13:00
predicate_internals.h	16.98 KB	-rw-r--r--	2021-06-15 13:00
proc.h	9.58 KB	-rw-r--r--	2021-06-15 13:00
procarray.h	2.96 KB	-rw-r--r--	2021-06-15 13:00
procsignal.h	1.76 KB	-rw-r--r--	2021-06-15 13:00
reinit.h	588 B	-rw-r--r--	2021-06-15 13:00
relfilenode.h	4.31 KB	-rw-r--r--	2021-06-15 13:00
s_lock.h	28 KB	-rw-r--r--	2021-06-15 13:00
shmem.h	2.63 KB	-rw-r--r--	2021-06-15 13:00
sinval.h	4.97 KB	-rw-r--r--	2021-06-15 13:00
sinvaladt.h	1.49 KB	-rw-r--r--	2021-06-15 13:00
smgr.h	5.67 KB	-rw-r--r--	2021-06-15 13:00
spin.h	2.71 KB	-rw-r--r--	2021-06-15 13:00
standby.h	3.97 KB	-rw-r--r--	2021-06-15 13:00

Rename

/*-------------------------------------------------------------------------
 *
 * procsignal.h
 *	  Routines for interprocess signalling
 *
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/storage/procsignal.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef PROCSIGNAL_H
#define PROCSIGNAL_H

#include "storage/backendid.h"

/*
 * Reasons for signalling a Postgres child process (a backend or an auxiliary
 * process, like checkpointer).  We can cope with concurrent signals for different
 * reasons.  However, if the same reason is signaled multiple times in quick
 * succession, the process is likely to observe only one notification of it.
 * This is okay for the present uses.
 *
 * Also, because of race conditions, it's important that all the signals be
 * defined so that no harm is done if a process mistakenly receives one.
 */
typedef enum
{
	PROCSIG_CATCHUP_INTERRUPT,	/* sinval catchup interrupt */
	PROCSIG_NOTIFY_INTERRUPT,	/* listen/notify interrupt */

/* Recovery conflict reasons */
	PROCSIG_RECOVERY_CONFLICT_DATABASE,
	PROCSIG_RECOVERY_CONFLICT_TABLESPACE,
	PROCSIG_RECOVERY_CONFLICT_LOCK,
	PROCSIG_RECOVERY_CONFLICT_SNAPSHOT,
	PROCSIG_RECOVERY_CONFLICT_BUFFERPIN,
	PROCSIG_RECOVERY_CONFLICT_STARTUP_DEADLOCK,

NUM_PROCSIGNALS				/* Must be last! */
} ProcSignalReason;

/*
 * prototypes for functions in procsignal.c
 */
extern Size ProcSignalShmemSize(void);
extern void ProcSignalShmemInit(void);

extern void ProcSignalInit(int pss_idx);
extern int SendProcSignal(pid_t pid, ProcSignalReason reason,
			   BackendId backendId);

extern void procsignal_sigusr1_handler(SIGNAL_ARGS);

#endif   /* PROCSIGNAL_H */