OrionLibC

diff --git a/time/sleep.c b/time/sleep.c
new file mode 100644
index 0000000..dd01751
--- /dev/null
+++ b/time/sleep.c
@@ -0,0 +1,16 @@
+#include <sys/syscall.h>
+#include <time.h>
+#include <errno.h>
+
+/* Sleep for a specified time (milliseconds) */
+int
+sleep(uint32_t ms)
+{
+	int ret;
+	asm volatile("int $0x80" : "=a" (ret) : "0" (SYSCALL_SLEEP),
+	             "c" (1), "S" (&ms));
+	if (ret >= 0)
+		return ret;
+	errno = -ret;
+	return -1;
+}