X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Fthread.h;h=9d72005963b04650faed84f56eabf39e594381b2;hb=2c06e3056fe6aa820817a927fa0e840eb7b8edb7;hp=8134ff01f8de73211fd2859fbf54f3862b48bfb1;hpb=e2b2b8f2156ede16d70a0bdd0cfad29ea31b8ccc;p=sbcl.git

diff --git a/src/runtime/thread.h b/src/runtime/thread.h
index 8134ff0..9d72005 100644
--- a/src/runtime/thread.h
+++ b/src/runtime/thread.h
@@ -34,6 +34,15 @@ union per_thread_data {
 extern struct thread * volatile all_threads;
 extern int dynamic_values_bytes;
 
+#if defined(LISP_FEATURE_DARWIN)
+#define CONTROL_STACK_ALIGNMENT_BYTES 8192 /* darwin wants page-aligned stacks */
+#define THREAD_ALIGNMENT_BYTES CONTROL_STACK_ALIGNMENT_BYTES
+#else
+#define THREAD_ALIGNMENT_BYTES BACKEND_PAGE_SIZE
+#define CONTROL_STACK_ALIGNMENT_BYTES 16
+#endif
+
+
 #ifdef LISP_FEATURE_SB_THREAD
 #define for_each_thread(th) for(th=all_threads;th;th=th->next)
 #else