libjava/include/default-signal.h

   1 // default-signal.h - Catch runtime signals and turn them into exceptions.
   2
   3 /* Copyright (C) 1998, 1999, 2000  Free Software Foundation
   4
   5    This file is part of libgcj.
   6
   7 This software is copyrighted work licensed under the terms of the
   8 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
   9 details.  */
  10
  11 #ifndef JAVA_SIGNAL_H
  12 #define JAVA_SIGNAL_H 1
  13
  14 #ifdef SJLJ_EXCEPTIONS
  15
  16 #define HANDLE_SEGV 1
  17 #define HANDLE_FPE 1
  18
  19 #include <signal.h>
  20
  21 #define SIGNAL_HANDLER(_name)                   \
  22 static void _name (int _dummy)
  23
  24 #define INIT_SEGV                                               \
  25 do                                                              \
  26   {                                                             \
  27     nullp = new java::lang::NullPointerException ();            \
  28     signal (SIGSEGV, catch_segv);                               \
  29   }                                                             \
  30 while (0)
  31
  32 #define INIT_FPE                                                \
  33 do                                                              \
  34   {                                                             \
  35     arithexception = new java::lang::ArithmeticException        \
  36       (JvNewStringLatin1 ("/ by zero"));                        \
  37     signal (SIGFPE, catch_fpe);                                 \
  38   }                                                             \
  39 while (0)
  40
  41 #define MAKE_THROW_FRAME(_exception)  do {} while (0)
  42
  43 #else /* SJLJ_EXCEPTIONS */
  44
  45 #undef HANDLE_SEGV
  46 #undef HANDLE_FPE
  47
  48 #define INIT_SEGV   do {} while (0)
  49 #define INIT_FPE   do {} while (0)
  50
  51 #endif /* SJLJ_EXCEPTIONS */
  52
  53 #endif /* JAVA_SIGNAL_H */
  54