1 files changed, 6 insertions, 4 deletions

diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index 23f27516f..f25ce9446 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -25,20 +25,22 @@
 #include "libbb.h"
 
 /* Turn on nonblocking I/O on a fd */
-void FAST_FUNC ndelay_on(int fd)
+int FAST_FUNC ndelay_on(int fd)
 {
         int flags = fcntl(fd, F_GETFL);
         if (flags & O_NONBLOCK)
-                return;
+                return flags;
         fcntl(fd, F_SETFL, flags | O_NONBLOCK);
+        return flags;
 }
 
-void FAST_FUNC ndelay_off(int fd)
+int FAST_FUNC ndelay_off(int fd)
 {
         int flags = fcntl(fd, F_GETFL);
         if (!(flags & O_NONBLOCK))
-                return;
+                return flags;
         fcntl(fd, F_SETFL, flags & ~O_NONBLOCK);
+        return flags;
 }
 
 void FAST_FUNC close_on_exec_on(int fd)