1 files changed, 8 insertions, 0 deletions
diff --git a/mdk-stage1/dietlibc/libpthread/pthread_sigmask.c b/mdk-stage1/dietlibc/libpthread/pthread_sigmask.c
new file mode 100644
index 000000000..691e9e51a
--- /dev/null
+++ b/mdk-stage1/dietlibc/libpthread/pthread_sigmask.c
@@ -0,0 +1,8 @@
+#include <signal.h>
+#include <errno.h>
+
+#include <pthread.h>
+
+int pthread_sigmask(int how, const sigset_t*newset, sigset_t *oldset) {
+  return (sigprocmask(how,newset,oldset)==-1)?(*(__errno_location())):0;
+}