X-Git-Url: http://nsz.repo.hu/git/?p=musl;a=blobdiff_plain;f=include%2Fucontext.h;h=3bb776ed6a86969a530a558ff81506cfc7ccbb4b;hp=1121761626b65c41977e51473991273abb0670fe;hb=43653c1250ad5eb5385d7e08292ad047420f8d25;hpb=acfd06df17fd3940e4602af4b9132f61a6a3eb7f

diff --git a/include/ucontext.h b/include/ucontext.h
index 11217616..3bb776ed 100644
--- a/include/ucontext.h
+++ b/include/ucontext.h
@@ -4,10 +4,12 @@
 extern "C" {
 #endif
 
+#include <features.h>
+
 #include <signal.h>
 
-#ifdef _GNU_SOURCE
-#define ucontext __ucontext
+#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
+#define NGREG (sizeof(gregset_t)/sizeof(greg_t))
 #endif
 
 struct __ucontext;