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backendid.h	1.1 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
barrier.h	674 B	-rw-r--r--	2021-11-10 16:14:46	Edit Del
block.h	3.21 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
buf.h	1.06 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
buf_internals.h	12.24 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
buffile.h	1.67 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
bufmgr.h	9 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
bufpage.h	14.91 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
checksum.h	666 B	-rw-r--r--	2021-11-10 16:14:46	Edit Del
checksum_impl.h	8.88 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
copydir.h	561 B	-rw-r--r--	2021-11-10 16:14:46	Edit Del
dsm.h	1.95 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
dsm_impl.h	2.12 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
fd.h	4.35 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
freespace.h	1.36 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
fsm_internals.h	2.26 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
indexfsm.h	795 B	-rw-r--r--	2021-11-10 16:14:46	Edit Del
ipc.h	2.65 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
item.h	469 B	-rw-r--r--	2021-11-10 16:14:46	Edit Del
itemid.h	4.24 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
itemptr.h	3.93 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
large_object.h	3.6 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
latch.h	6.55 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
lmgr.h	4.31 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
lock.h	23.62 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
lockdefs.h	1.86 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
lwlock.h	9.19 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
lwlocknames.h	2.53 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
off.h	1.58 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
pg_sema.h	2.39 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
pg_shmem.h	2.27 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
pmsignal.h	2.1 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
pos.h	1.56 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
predicate.h	2.56 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
predicate_internals.h	16.96 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
proc.h	10.85 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
procarray.h	3.62 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
procsignal.h	1.9 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
reinit.h	592 B	-rw-r--r--	2021-11-10 16:14:46	Edit Del
relfilenode.h	3.81 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
s_lock.h	29.95 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
shm_mq.h	2.59 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
shm_toc.h	2.01 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
shmem.h	2.63 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
sinval.h	5.41 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
sinvaladt.h	1.58 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
smgr.h	6.03 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
spin.h	2.42 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
standby.h	3.35 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del
standbydefs.h	2.25 KB	-rw-r--r--	2021-11-10 16:14:46	Edit Del

Editing: procsignal.h (1.9 KB)

/*-------------------------------------------------------------------------
 *
 * procsignal.h
 *	  Routines for interprocess signalling
 *
 *
 * Portions Copyright (c) 1996-2016, 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 */
	PROCSIG_PARALLEL_MESSAGE,	/* message from cooperating parallel backend */
	PROCSIG_WALSND_INIT_STOPPING,	/* ask walsenders to prepare for shutdown  */

	/* 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 */