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70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
;
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; File: Signal.a
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;
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; Contains: xxx put contents here xxx
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;
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; Written by: xxx put writers here xxx
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;
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; Copyright: © 1991 by Apple Computer, Inc., all rights reserved.
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;
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; Change History (most recent first):
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;
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; <3> 1/30/91 gbm sab, #38: Change the ‘already including this file’ variable to
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; all uppercase (for security reasons)
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;
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; To Do:
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;
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; File Signal.a
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;
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; Copyright Apple Computer, Inc. 1986, 1990
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; All rights reserved.
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;
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; Include File for Signal processing in the MPW Environment
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; Set CASE OBJECT to assure references to the names IMPORTed here link
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; properly. The following statements restore the CASE setting to its
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; previous value.
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IF &TYPE('__INCLUDINGSIGNAL__') = 'UNDEFINED' THEN
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__INCLUDINGSIGNAL__ SET 1
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PRINT Push,Off ; save the current print settings and turn it off
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GBLC &S%%%%,&P%%%%
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&S%%%% SETC &Setting('CASE') ; save the current CASE setting
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&P%%%% SETC &Setting('PRINT',1) ; and the PRINT settings before we changed them
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MACRO
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X%%%%
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GBLC &S%%%%,&P%%%% ; link references with previously defined variables
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PRINT Push,&P%%%% ; restore the previous PRINT settings
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CASE &S%%%% ; and restore the CASE setting
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PRINT POP ; restore the PRINT settings
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ENDM
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PRINT Pop ; restore the PRINT settings
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CASE OBJECT ; all imported/exported names case significant
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SIG_DFL EQU 1
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SIG_ERR EQU -1
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SIG_IGN EQU 0
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SIG_HOLD EQU 3
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SIG_RELEASE EQU 5
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SIGABRT EQU $0001
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SIGINT EQU $0002
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SIGFPE EQU $0004
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SIGILL EQU $0008
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SIGSEGV EQU $0010
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SIGTERM EQU $0020
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IMPORT signal
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IMPORT raise
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PRINT Push,Off ; save and turn off PRINT when macro is invoked
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X%%%% ; invoke the macro to restore CASE setting
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PRINT POP ; restore the PRINT settings
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ENDIF ; ...already included |