1 files changed, 10 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/signal/sigisemptyset.c b/libc-top-half/musl/src/signal/sigisemptyset.c
new file mode 100644
index 0000000..68b8662
--- /dev/null
+++ b/libc-top-half/musl/src/signal/sigisemptyset.c
@@ -0,0 +1,10 @@
+#define _GNU_SOURCE
+#include <signal.h>
+#include <string.h>
+
+int sigisemptyset(const sigset_t *set)
+{
+	for (size_t i=0; i<_NSIG/8/sizeof *set->__bits; i++)
+		if (set->__bits[i]) return 0;
+	return 1;
+}