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57 lines
1.6 KiB
C
57 lines
1.6 KiB
C
/*
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* PROGRAM: JRD Access Method
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* MODULE: isc_signal.h
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* DESCRIPTION: InterBase pseudo-signal definitions
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*
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* The contents of this file are subject to the Interbase Public
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* License Version 1.0 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy
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* of the License at http://www.Inprise.com/IPL.html
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*
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* Software distributed under the License is distributed on an
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* "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express
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* or implied. See the License for the specific language governing
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* rights and limitations under the License.
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*
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* The Original Code was created by Inprise Corporation
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* and its predecessors. Portions created by Inprise Corporation are
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* Copyright (C) Inprise Corporation.
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*
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* All Rights Reserved.
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* Contributor(s): ______________________________________.
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*/
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#ifndef JRD_ISC_SIGNAL_H
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#define JRD_ISC_SIGNAL_H
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#ifdef SUPERSERVER
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// On all platforms, value of zero means in-process signals.
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const int BLOCKING_SIGNAL = 0;
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const int WAKEUP_SIGNAL = 0;
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const int STALL_SIGNAL = 0;
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const int EVENT_SIGNAL = 0;
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#else // Classic
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// On Windows, all cross-process signal numbers must be unique,
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// as they're used as a part of the shared kernel objects names.
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// On POSIX, the only requirement is being non-zero.
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#ifdef WIN_NT
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const int BLOCKING_SIGNAL = 1000;
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const int WAKEUP_SIGNAL = 1100;
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const int STALL_SIGNAL = 1200;
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const int EVENT_SIGNAL = 1300;
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#else
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const int BLOCKING_SIGNAL = 1;
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const int WAKEUP_SIGNAL = 1;
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const int STALL_SIGNAL = 1;
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const int EVENT_SIGNAL = 1;
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#endif
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#endif // SUPERSERVER
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#endif // JRD_ISC_SIGNAL_H
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