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Annotation of 43BSDReno/pgrm/pascal/pdx/runtime/isactive.c, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1980 Regents of the University of California.
        !             3:  * All rights reserved.  The Berkeley software License Agreement
        !             4:  * specifies the terms and conditions for redistribution.
        !             5:  */
        !             6: 
        !             7: #ifndef lint
        !             8: static char sccsid[] = "@(#)isactive.c 5.1 (Berkeley) 6/6/85";
        !             9: #endif not lint
        !            10: /*
        !            11:  * Decide a the given function is currently active.
        !            12:  */
        !            13: 
        !            14: #include "defs.h"
        !            15: #include "runtime.h"
        !            16: #include "frame.rep"
        !            17: #include "sym.h"
        !            18: #include "machine.h"
        !            19: #include "process.h"
        !            20: 
        !            21: BOOLEAN isactive(f)
        !            22: SYM *f;
        !            23: {
        !            24:        if (isfinished(process)) {
        !            25:                return(FALSE);
        !            26:        } else {
        !            27:                if (f == program) {
        !            28:                        return(TRUE);
        !            29:                }
        !            30:                return(findframe(f) != NIL);
        !            31:        }
        !            32: }

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