0.8.21.49: Fixes for OS X 10.4 "Tiger"

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

diff --git a/src/runtime/bsd-os.h b/src/runtime/bsd-os.h
index de0522f..5dfff24 100644 (file)
--- a/src/runtime/bsd-os.h
+++ b/src/runtime/bsd-os.h
@@ -17,8 +17,18 @@
 #include <sys/mman.h>
 #include <sys/signal.h>
 
+#ifdef LISP_FEATURE_DARWIN
+#include <mach/mach_types.h>
+#endif
+
 typedef caddr_t os_vm_address_t;
+#if defined __NetBSD__
+typedef vsize_t os_vm_size_t;
+#elif defined __OpenBSD__
+typedef size_t os_vm_size_t;
+#else
 typedef vm_size_t os_vm_size_t;
+#endif
 typedef off_t os_vm_offset_t;
 typedef int os_vm_prot_t;
 typedef int os_context_register_t;
@@ -28,7 +38,7 @@ typedef int os_context_register_t;
  * Linux sigaltstack(2) */
 typedef struct sigaltstack stack_t;
 #elif defined __FreeBSD__
-/* FreeBSD 4.6 already has stack_t defined. */
+/* FreeBSD 4.6 and NetBSD 1.6 already have stack_t defined. */
 #endif
 
 #if defined __FreeBSD__
@@ -45,9 +55,30 @@ typedef ucontext_t os_context_t;
  * 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
+
+#elif defined __NetBSD__
+
+#include <ucontext.h>
+typedef ucontext_t os_context_t;
+#define SIG_MEMORY_FAULT SIGSEGV
+
+#elif defined LISP_FEATURE_DARWIN
+  /* man pages claim that the third argument is a sigcontext struct,
+     but ucontext_t is defined, matches sigcontext where sensible,
+     offers better access to mcontext, and is of course the SUSv2-
+     mandated type of the third argument, so we use that instead.
+     If Apple is going to break ucontext_t out of spite, I'm going
+     to be cross with them ;) -- PRM */
+
+#include <ucontext.h>
+typedef ucontext_t os_context_t;
+#define SIG_MEMORY_FAULT SIGBUS
+
 #else
 #error unsupported BSD variant
 #endif