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📁 ..
📄 backendid.h(1.1 KB)
📄 barrier.h(674 B)
📄 block.h(3.21 KB)
📄 buf.h(1.06 KB)
📄 buf_internals.h(12.24 KB)
📄 buffile.h(1.67 KB)
📄 bufmgr.h(9 KB)
📄 bufpage.h(14.91 KB)
📄 checksum.h(666 B)
📄 checksum_impl.h(8.59 KB)
📄 copydir.h(561 B)
📄 dsm.h(1.95 KB)
📄 dsm_impl.h(2.12 KB)
📄 fd.h(4.27 KB)
📄 freespace.h(1.36 KB)
📄 fsm_internals.h(2.26 KB)
📄 indexfsm.h(795 B)
📄 ipc.h(2.67 KB)
📄 item.h(469 B)
📄 itemid.h(4.24 KB)
📄 itemptr.h(3.93 KB)
📄 large_object.h(3.6 KB)
📄 latch.h(6.55 KB)
📄 lmgr.h(4.19 KB)
📄 lock.h(22.89 KB)
📄 lockdefs.h(1.86 KB)
📄 lwlock.h(9.19 KB)
📄 lwlocknames.h(2.42 KB)
📄 off.h(1.58 KB)
📄 pg_sema.h(2.39 KB)
📄 pg_shmem.h(2.23 KB)
📄 pmsignal.h(2.1 KB)
📄 pos.h(1.56 KB)
📄 predicate.h(2.56 KB)
📄 predicate_internals.h(16.96 KB)
📄 proc.h(10.81 KB)
📄 procarray.h(3.5 KB)
📄 procsignal.h(1.9 KB)
📄 reinit.h(592 B)
📄 relfilenode.h(3.81 KB)
📄 s_lock.h(28.64 KB)
📄 shm_mq.h(2.59 KB)
📄 shm_toc.h(2.01 KB)
📄 shmem.h(2.63 KB)
📄 sinval.h(5.41 KB)
📄 sinvaladt.h(1.58 KB)
📄 smgr.h(5.96 KB)
📄 spin.h(2.42 KB)
📄 standby.h(3.35 KB)
📄 standbydefs.h(2.25 KB)

Editing: procsignal.h

/*-------------------------------------------------------------------------
 *
 * 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 */

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Editing: procsignal.h

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