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46 lines
912 B
Plaintext
46 lines
912 B
Plaintext
$NetBSD: patch-aa,v 1.1.1.1 2002/05/04 01:10:03 jtb Exp $
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--- /dev/null Tue Jan 2 02:09:36 2001
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+++ fpe/netbsd1.5.c
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@@ -0,0 +1,40 @@
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+#if HAVE_CONFIG_H
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+#include <config.h>
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+#endif
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+
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+#include <stdio.h>
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+#include <math.h>
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+#include <errno.h>
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+#include <ieeefp.h>
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+#include <setjmp.h>
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+#include <signal.h>
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+
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+#if !SKIP_LOCAL_INCLUDES
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+#include "exception.h"
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+#include "message.h"
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+#endif
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+
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+static void
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+catch_sigfpe (int sig, int code, struct sigcontext *scp)
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+{
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+ fail ("Floating point exception.");
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+ raise_exception ();
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+}
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+
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+void
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+enable_fpe_traps ()
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+{
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+ struct sigaction act;
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+
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+ act.sa_handler = (void (*)(int)) catch_sigfpe;
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+ sigemptyset (&act.sa_mask);
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+ act.sa_flags = 0;
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+
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+ if (sigaction (SIGFPE, &act, NULL))
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+ wipeout ("Bad sigaction call.");
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+
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+ sigaddset (&act.sa_mask, SIGFPE);
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+ sigprocmask (SIG_UNBLOCK, &act.sa_mask, NULL);
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+
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+ fpsetmask (FP_X_INV | FP_X_DZ | FP_X_OFL);
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+}
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