libjava/include/aix-signal.h

   1 /* aix-signal.h - Catch runtime signals and turn them into exceptions,
   2    on a Darwin system.  */
   3
   4 /* Copyright (C) 2008  Free Software Foundation
   5
   6    This file is part of libgcj.
   7
   8 This software is copyrighted work licensed under the terms of the
   9 Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
  10 details.  */
  11
  12 /* This file is really more of a specification.  The rest of the system
  13    should be arranged so that this Just Works.  */
  14
  15 #ifndef JAVA_SIGNAL_H
  16 # define JAVA_SIGNAL_H 1
  17
  18 #include <sys/types.h>
  19 #include <sys/signal.h>
  20
  21 typedef void (* SIG_PF)(int);
  22
  23 # define HANDLE_SEGV 1
  24 # undef HANDLE_FPE
  25
  26 # define SIGNAL_HANDLER(_name)                                  \
  27   static void _name (int _dummy __attribute__ ((unused)))
  28
  29 # define MAKE_THROW_FRAME(_exception)
  30
  31 # define INIT_SEGV                              \
  32   do {                                          \
  33       struct sigaction sa;                      \
  34       sa.sa_handler = catch_segv;               \
  35       sigemptyset (&sa.sa_mask);                \
  36       sa.sa_flags = SA_NODEFER;                 \
  37       sigaction (SIGBUS, &sa, NULL);            \
  38       sigaction (SIGSEGV, &sa, NULL);           \
  39     } while (0)
  40
  41 # define INIT_FPE                               \
  42   do {                                          \
  43       struct sigaction sa;                      \
  44       sa.sa_handler = catch_fpe;                \
  45       sigemptyset (&sa.sa_mask);                \
  46       sa.sa_flags = SA_NODEFER;                 \
  47       sigaction (SIGFPE, &sa, NULL);            \
  48     } while (0)
  49
  50 #endif /* JAVA_SIGNAL_H */