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postgres/src/include/storage/ipc.h

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/*-------------------------------------------------------------------------
*
* ipc.h
* POSTGRES inter-process communication definitions.
*
* This file is misnamed, as it no longer has much of anything directly
* to do with IPC. The functionality here is concerned with managing
* exit-time cleanup for either a postmaster or a backend.
*
*
* Portions Copyright (c) 1996-2003, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $PostgreSQL: pgsql/src/include/storage/ipc.h,v 1.64 2003/12/20 17:31:21 momjian Exp $
*
*-------------------------------------------------------------------------
*/
#ifndef IPC_H
#define IPC_H
/* ipc.c */
extern bool proc_exit_inprogress;
extern void proc_exit(int code);
extern void shmem_exit(int code);
extern void on_proc_exit(void (*function) (int code, Datum arg), Datum arg);
extern void on_shmem_exit(void (*function) (int code, Datum arg), Datum arg);
extern void on_exit_reset(void);
/* ipci.c */
extern void CreateSharedMemoryAndSemaphores(bool makePrivate,
int maxBackends,
int port);
#ifdef EXEC_BACKEND
extern void AttachSharedMemoryAndSemaphores(void);
#endif
#endif /* IPC_H */