1 files changed, 11 insertions, 0 deletions
diff --git a/src/libstddjb/ndelay_on.c b/src/libstddjb/ndelay_on.c
new file mode 100644
index 0000000..186590b
--- /dev/null
+++ b/src/libstddjb/ndelay_on.c
@@ -0,0 +1,11 @@
+/* ISC license. */
+
+#include <sys/types.h>
+#include <fcntl.h>
+#include <skalibs/djbunix.h>
+
+int ndelay_on (int fd)
+{
+  register int got = fcntl(fd, F_GETFL) ;
+  return (got == -1) ? -1 : fcntl(fd, F_SETFL, got | O_NONBLOCK) ;
+}