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Annotation of 43BSDReno/pgrm/pascal/pdx/machine/printerror.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[] = "@(#)printerror.c       5.2 (Berkeley) 4/7/87";
        !             9: #endif not lint
        !            10: 
        !            11: /*
        !            12:  * Print out an execution time error.
        !            13:  */
        !            14: 
        !            15: #include "defs.h"
        !            16: #include <signal.h>
        !            17: #include "machine.h"
        !            18: #include "sym.h"
        !            19: #include "process.h"
        !            20: #include "source.h"
        !            21: #include "object.h"
        !            22: #include "mappings.h"
        !            23: #include "pxerrors.h"
        !            24: #include "process/process.rep"
        !            25: 
        !            26: #ifdef tahoe
        !            27: BOOLEAN shouldrestart;
        !            28: #endif
        !            29: 
        !            30: printerror()
        !            31: {
        !            32:     register PROCESS *p;
        !            33: 
        !            34:     p = process;
        !            35:     if (p->signo != ESIGNAL && p->signo != SIGINT) {
        !            36:        error("signal %d at px pc %d, lc %d", p->signo, p->pc, pc);
        !            37:     }
        !            38:     curline = srcline(pc);
        !            39:     curfunc = whatblock(pc);
        !            40:     skimsource(srcfilename(pc));
        !            41:     if (p->signo == ESIGNAL) {
        !            42:        printf("\nerror at ");
        !            43:        printwhere(curline, cursource);
        !            44:         putchar('\n');
        !            45:         printlines(curline, curline);
        !            46: #ifdef tahoe
        !            47:        /*
        !            48:         * this px is no good; it is easier to kill it and start
        !            49:         * a new one than to make it recover...
        !            50:         * make runtime/callproc.c know it too.
        !            51:         */
        !            52:        shouldrestart = TRUE;
        !            53: #endif
        !            54:         erecover();
        !            55:     } else {
        !            56:        printf("\n\ninterrupt at ");
        !            57:        printwhere(curline, cursource);
        !            58:         putchar('\n');
        !            59:         printlines(curline, curline);
        !            60:         erecover();
        !            61:     }
        !            62: }

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