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/* darwin-signal.h - Catch runtime signals and turn them into exceptions,

   on a Darwin system.  */

/* Copyright (C) 2004  Free Software Foundation

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the

Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for

details.  */

/* This file is really more of a specification.  The rest of the system

   should be arranged so that this Just Works.  */

#ifndef JAVA_SIGNAL_H

# define JAVA_SIGNAL_H 1

#include <sys/types.h>

#include <stdio.h>

#include <signal.h>

typedef void (* SIG_PF)(int);

# define HANDLE_SEGV 1

# undef HANDLE_FPE

# define SIGNAL_HANDLER(_name)                                  \

  static void _name (int _dummy __attribute__ ((unused)))

# define MAKE_THROW_FRAME(_exception)

# define INIT_SEGV                              \

  do {                                          \

      struct sigaction sa;                      \

      sa.sa_handler = catch_segv;               \

      sigemptyset (&sa.sa_mask);                \

      sa.sa_flags = SA_NODEFER;                 \

      sigaction (SIGBUS, &sa, NULL);            \

      sigaction (SIGSEGV, &sa, NULL);           \

    } while (0)

# define INIT_FPE                               \

  do {                                          \

      struct sigaction sa;                      \

      sa.sa_handler = catch_fpe;                \

      sigemptyset (&sa.sa_mask);                \

      sa.sa_flags = SA_NODEFER;                 \

      sigaction (SIGFPE, &sa, NULL);            \

    } while (0)

#endif /* JAVA_SIGNAL_H */