1 files changed, 26 insertions, 0 deletions
diff --git a/usr/utils/sleep.c b/usr/utils/sleep.c
new file mode 100644
index 0000000..991cdbe
--- /dev/null
+++ b/usr/utils/sleep.c
@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <errno.h>
+
+int main(int argc, char *argv[])
+{
+	struct timespec ts;
+	char *p;
+
+	if (argc != 2)
+		goto err;
+
+	p = strtotimespec(argv[1], &ts);
+	if (*p)
+		goto err;
+
+	while (nanosleep(&ts, &ts) == -1 && errno == EINTR)
+		;
+
+	return 0;
+
+err:
+	fprintf(stderr, "Usage: %s seconds[.fraction]\n", argv[0]);
+	return 1;
+}