Added some unix signal handling

lang/m2/libm2/init.c

@@ -0,0 +1,27 @@
+/*
+  (c) copyright 1988 by the Vrije Universiteit, Amsterdam, The Netherlands.
+  See the copyright notice in the ACK home directory, in the file "Copyright".
+*/
+
+#include <signal.h>
+#include <em_abs.h>
+#include <m2_traps.h>
+
+/* map unix signals onto EM traps */
+init()
+{
+	sigtrp(M2_UNIXSIG, SIGHUP);
+	sigtrp(M2_UNIXSIG, SIGINT);
+	sigtrp(M2_UNIXSIG, SIGQUIT);
+	sigtrp(EILLINS, SIGILL);
+	sigtrp(M2_UNIXSIG, SIGTRAP);
+	sigtrp(M2_UNIXSIG, SIGIOT);
+	sigtrp(M2_UNIXSIG, SIGEMT);
+	/* sigtrp(M2_UNIXSIG, SIGFPE); leave this one for EM runtime startoff*/
+	sigtrp(M2_UNIXSIG, SIGBUS);
+	sigtrp(M2_UNIXSIG, SIGSEGV);
+	sigtrp(EBADMON, SIGSYS);
+	sigtrp(M2_UNIXSIG, SIGPIPE);
+	sigtrp(M2_UNIXSIG, SIGALRM);
+	sigtrp(M2_UNIXSIG, SIGTERM);
+}