gcc/libjava/include/darwin-signal.h

52 lines
1.3 KiB
C

/* 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 */