1 files changed, 12 insertions, 18 deletions
diff --git a/mdk-stage1/dietlibc/lib/sigaddset.c b/mdk-stage1/dietlibc/lib/sigaddset.c
index 0c9d95c28..8ce69ea77 100644
--- a/mdk-stage1/dietlibc/lib/sigaddset.c
+++ b/mdk-stage1/dietlibc/lib/sigaddset.c
@@ -1,21 +1,15 @@
-#define __USE_EXTERN_INLINES 1
-#include <signal.h>
-
-# define __sigmask(sig) \
-  (((unsigned long int) 1) << (((sig) - 1) % (8 * sizeof (unsigned long int))))
-
-# define __sigword(sig) (((sig) - 1) / (8 * sizeof (unsigned long int)))
-
-# define _SIGSET_NWORDS	(1024 / (8 * sizeof (unsigned long int)))
-typedef struct
-  {
-    unsigned long int __val[_SIGSET_NWORDS];
-  } __sigset_t;
-
-int __sigaddset(__sigset_t *set, int signo) {
-  unsigned long int __mask = __sigmask (signo);
-  unsigned long int __word = __sigword (signo);
-  return ((set->__val[__word] |= __mask), 0);
+#define __KERNEL__
+#define sigaddset foobar
+#include <asm/signal.h>
+#undef sigaddset
+
+int __sigaddset(sigset_t *set, int signo) {
+  unsigned long sig = signo - 1;
+  if (_NSIG_WORDS == 1)
+    set->sig[0] |= 1UL << sig;
+  else
+    set->sig[sig / _NSIG_BPW] |= 1UL << (sig % _NSIG_BPW);
+  return 0;
 }
 
 int sigaddset (sigset_t *env, int signo) __attribute__((weak,alias("__sigaddset")));