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Filename : postmaster.h
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/*-------------------------------------------------------------------------
 *
 * postmaster.h
 *	  Exports from postmaster/postmaster.c.
 *
 * Portions Copyright (c) 1996-2012, PostgreSQL Global Development Group
 * Portions Copyright (c) 1994, Regents of the University of California
 *
 * src/include/postmaster/postmaster.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef _POSTMASTER_H
#define _POSTMASTER_H

/* GUC options */
extern bool EnableSSL;
extern int	ReservedBackends;
extern int	PostPortNumber;
extern int	Unix_socket_permissions;
extern char *Unix_socket_group;
extern char *Unix_socket_directories;
extern char *ListenAddresses;
extern bool ClientAuthInProgress;
extern int	PreAuthDelay;
extern int	AuthenticationTimeout;
extern bool Log_connections;
extern bool log_hostname;
extern bool enable_bonjour;
extern char *bonjour_name;
extern bool restart_after_crash;

#ifdef WIN32
extern HANDLE PostmasterHandle;
#else
extern int	postmaster_alive_fds[2];

/*
 * Constants that represent which of postmaster_alive_fds is held by
 * postmaster, and which is used in children to check for postmaster death.
 */
#define POSTMASTER_FD_WATCH		0		/* used in children to check for
										 * postmaster death */
#define POSTMASTER_FD_OWN		1		/* kept open by postmaster only */
#endif

extern const char *progname;

extern int	PostmasterMain(int argc, char *argv[]);
extern void ClosePostmasterPorts(bool am_syslogger);

extern int	MaxLivePostmasterChildren(void);

#ifdef EXEC_BACKEND
extern pid_t postmaster_forkexec(int argc, char *argv[]);
extern int	SubPostmasterMain(int argc, char *argv[]);

extern Size ShmemBackendArraySize(void);
extern void ShmemBackendArrayAllocation(void);
#endif

#endif   /* _POSTMASTER_H */