99 lines
1.5 KiB
C
99 lines
1.5 KiB
C
/*
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(c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
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See the copyright notice in the ACK home directory, in the file "Copyright".
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*/
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/*
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Module: initialization and some global vars
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Author: Ceriel J.H. Jacobs
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Version: $Id$
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*/
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#include <signal.h>
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#include <em_abs.h>
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#include <m2_traps.h>
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static const char signals_list[] = {
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#ifdef SIGHUP
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SIGHUP,
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#endif
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#ifdef SIGINT
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SIGINT,
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#endif
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#ifdef SIGQUIT
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SIGQUIT,
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#endif
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#ifdef SIGTRAP
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SIGTRAP,
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#endif
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#ifdef SIGIOT
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SIGIOT,
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#endif
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#ifdef SIGEMT
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SIGEMT,
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#endif
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#ifdef SIGFPE
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SIGFPE,
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#endif
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#ifdef SIGBUS
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SIGBUS,
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#endif
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#ifdef SIGSEGV
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SIGSEGV,
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#endif
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#ifdef SIGPIPE
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SIGPIPE,
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#endif
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#ifdef SIGALRM
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SIGALRM,
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#endif
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#ifdef SIGTERM
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SIGTERM,
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#endif
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-1
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};
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/* map unix signals onto EM traps */
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void init(void)
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{
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const char* p = signals_list;
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do {
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int i = *p++;
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if (i == -1)
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break;
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sigtrp(M2_UNIXSIG, i);
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} while (1);
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sigtrp(EILLINS, SIGILL);
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#ifdef SIGSYS
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sigtrp(EBADMON, SIGSYS);
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#endif
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}
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#if defined(__em22) || defined(__em24) || defined(__em44)
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killbss()
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{
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}
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#else
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static int blablabla; /* We cannot use end, because then also
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bss allocated for the systemcall lib
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would be overwritten. Lets hope that
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this helps ...
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*/
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killbss()
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{
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extern char *bkillbss;
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register char *p = (char *) &bkillbss;
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while (p < (char *) &blablabla) *p++ = 0x66;
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}
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#endif
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extern int catch();
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int (*handler)() = catch;
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char **argv = 0, **environ = 0;
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int argc = 0;
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char *MainLB = 0;
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