/*
 *	PROGRAM:	JRD Access Method
 *	MODULE:		isc_signal.h
 *	DESCRIPTION:	InterBase pseudo-signal definitions
 *
 * The contents of this file are subject to the Interbase Public
 * License Version 1.0 (the "License"); you may not use this file
 * except in compliance with the License. You may obtain a copy
 * of the License at http://www.Inprise.com/IPL.html
 *
 * Software distributed under the License is distributed on an
 * "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code was created by Inprise Corporation
 * and its predecessors. Portions created by Inprise Corporation are
 * Copyright (C) Inprise Corporation.
 *
 * All Rights Reserved.
 * Contributor(s): ______________________________________.
 */

#ifndef JRD_ISC_SIGNAL_H
#define JRD_ISC_SIGNAL_H

#ifdef SUPERSERVER

// On all platforms, value of zero means in-process signals.

const int BLOCKING_SIGNAL	= 0;
const int WAKEUP_SIGNAL		= 0;
const int STALL_SIGNAL		= 0;
const int EVENT_SIGNAL		= 0;

#else // Classic

// On Windows, all cross-process signal numbers must be unique,
// as they're used as a part of the shared kernel objects names.
// On POSIX, the only requirement is being non-zero.

#ifdef WIN_NT
const int BLOCKING_SIGNAL	= 1000;
const int WAKEUP_SIGNAL		= 1100;
const int STALL_SIGNAL		= 1200;
const int EVENT_SIGNAL		= 1300;
#else
const int BLOCKING_SIGNAL	= 1;
const int WAKEUP_SIGNAL		= 1;
const int STALL_SIGNAL		= 1;
const int EVENT_SIGNAL		= 1;
#endif

#endif // SUPERSERVER

#endif // JRD_ISC_SIGNAL_H