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kFreeBSD fix from David Bremner

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This commit is contained in:
Matthew Flatt 2011-05-16 06:23:39 -06:00
parent 71770ee285
commit ffbaaa3c3b
1 changed files with 11 additions and 1 deletions
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12
src/racket/gc2/sighand.c
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@ -134,10 +134,14 @@ void fault_handler(int sn, siginfo_t *si, void *ctx)
abort(); abort();
} }
# define NEED_SIGACTION # define NEED_SIGACTION
# if (defined(__FreeBSD__) && (__FreeBSD_version < 700000)) || defined(__FreeBSD_kernel__) # if (defined(__FreeBSD__) && (__FreeBSD_version < 700000))
# define USE_SIGACTON_SIGNAL_KIND SIGBUS # define USE_SIGACTON_SIGNAL_KIND SIGBUS
# else # else
# define USE_SIGACTON_SIGNAL_KIND SIGSEGV # define USE_SIGACTON_SIGNAL_KIND SIGSEGV
# ifdef __FreeBSD_kernel__
/* Some versions of the kFreeBSD C library use SIGBUS */
# define USE_ANOTHER_SIGACTON_SIGNAL_KIND SIGBUS
# endif
# endif # endif
#endif #endif
@ -230,6 +234,9 @@ static void initialize_signal_handler(GCTYPE *gc)
act.sa_flags |= SA_ONSTACK; act.sa_flags |= SA_ONSTACK;
# endif # endif
sigaction(USE_SIGACTON_SIGNAL_KIND, &act, &oact); sigaction(USE_SIGACTON_SIGNAL_KIND, &act, &oact);
# ifdef USE_ANOTHER_SIGACTON_SIGNAL_KIND
sigaction(USE_ANOTHER_SIGACTON_SIGNAL_KIND, &act, &oact);
# endif
} }
# endif # endif
# ifdef NEED_SIGWIN # ifdef NEED_SIGWIN
@ -263,6 +270,9 @@ static void remove_signal_handler(GCTYPE *gc)
sigemptyset(&act.sa_mask); sigemptyset(&act.sa_mask);
act.sa_flags = SA_SIGINFO; act.sa_flags = SA_SIGINFO;
sigaction(USE_SIGACTON_SIGNAL_KIND, &act, &oact); sigaction(USE_SIGACTON_SIGNAL_KIND, &act, &oact);
# ifdef USE_ANOTHER_SIGACTON_SIGNAL_KIND
sigaction(USE_ANOTHER_SIGACTON_SIGNAL_KIND, &act, &oact);
# endif
} }
# endif # endif
# ifdef NEED_SIGWIN # ifdef NEED_SIGWIN