0.8.0.42:

[sbcl.git] / src / runtime / bsd-os.h

diff --git a/src/runtime/bsd-os.h b/src/runtime/bsd-os.h
index 63da20b..de0522f 100644 (file)
--- a/src/runtime/bsd-os.h
+++ b/src/runtime/bsd-os.h
@@ -23,19 +23,31 @@ typedef off_t os_vm_offset_t;
 typedef int os_vm_prot_t;
 typedef int os_context_register_t;
 
+#if defined __OpenBSD__
+/* name defined for compatibility between OpenBSD 3.1 sigaltstack(2) and
+ * Linux sigaltstack(2) */
+typedef struct sigaltstack stack_t;
+#elif defined __FreeBSD__
+/* FreeBSD 4.6 already has stack_t defined. */
+#endif
+
 #if defined __FreeBSD__
 /* Note: The man page for sigaction(2) in FreeBSD 4.0 says that this
  * is an mcontext_t, but according to comments by Raymond Wiker in the
  * original FreeBSD port of SBCL, that's wrong, it's actually a
  * ucontext_t. */
+
+#include <sys/ucontext.h>
 typedef ucontext_t os_context_t;
 /* As the sbcl-devel message from Raymond Wiker 2000-12-01, FreeBSD
  * (unlike Linux and OpenBSD) doesn't let us tweak the CPU's single
  * step flag bit by messing with the flags stored in a signal context,
  * so we need to implement single stepping in a more roundabout way. */
 #define CANNOT_GET_TO_SINGLE_STEP_FLAG
+#define SIG_MEMORY_FAULT SIGBUS
 #elif defined __OpenBSD__
 typedef struct sigcontext os_context_t;
+#define SIG_MEMORY_FAULT SIGSEGV
 #else
 #error unsupported BSD variant
 #endif