/* -----------------------------------------------------------------------------
- * $Id: Signals.c,v 1.19 2001/01/24 15:38:14 simonmar Exp $
+ * $Id: Signals.c,v 1.20 2001/07/26 03:24:01 ken Exp $
*
* (c) The GHC Team, 1998-1999
*
#include "RtsFlags.h"
#include "StablePriv.h"
+#ifdef alpha_TARGET_ARCH
+#include <machine/fpu.h>
+#endif
+
#ifndef mingw32_TARGET_OS
#ifndef PAR
* Haskell code may install their own SIGINT handler, which is
* fine, provided they're so kind as to put back the old one
* when they de-install.
+ *
+ * In addition to handling SIGINT, the RTS also handles SIGFPE
+ * by ignoring it. Apparently IEEE requires floating-point
+ * exceptions to be ignored by default, but alpha-dec-osf3
+ * doesn't seem to do so.
*/
void
init_default_handlers()
}
siginterrupt(SIGINT, 1);
+
+ action.sa_handler = SIG_IGN;
+ sigemptyset(&action.sa_mask);
+ action.sa_flags = 0;
+ if (sigaction(SIGFPE, &action, &oact) != 0) {
+ /* Oh well, at least we tried. */
+ prog_belch("failed to install SIGFPE handler");
+ }
+#ifdef alpha_TARGET_ARCH
+ ieee_set_fp_control(0);
+#endif
}
#endif /*! mingw32_TARGET_OS */