1 files changed, 11 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/internal/syscall_ret.c b/libc-top-half/musl/src/internal/syscall_ret.c
new file mode 100644
index 0000000..a3f4713
--- /dev/null
+++ b/libc-top-half/musl/src/internal/syscall_ret.c
@@ -0,0 +1,11 @@
+#include <errno.h>
+#include "syscall.h"
+
+long __syscall_ret(unsigned long r)
+{
+	if (r > -4096UL) {
+		errno = -r;
+		return -1;
+	}
+	return r;
+}