1 files changed, 15 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/lib/sigdelset.c b/mdk-stage1/dietlibc/lib/sigdelset.c
new file mode 100644
index 000000000..2c3385ea8
--- /dev/null
+++ b/mdk-stage1/dietlibc/lib/sigdelset.c
@@ -0,0 +1,15 @@
+#define __KERNEL__
+#define sigdelset foobar
+#include <asm/signal.h>
+#undef sigdelset
+
+int __sigdelset(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 sigdelset (sigset_t *env, int signo) __attribute__((weak,alias("__sigdelset")));