1 files changed, 5 insertions, 0 deletions

diff --git a/libbb/xfuncs.c b/libbb/xfuncs.c
index eb1633be2..2bf20f3a0 100644
--- a/libbb/xfuncs.c
+++ b/libbb/xfuncs.c
@@ -164,6 +164,11 @@ int ndelay_on(int fd)
         return fcntl(fd, F_SETFL, fcntl(fd,F_GETFL) | O_NONBLOCK);
 }
 
+int close_on_exec_on(int fd)
+{
+        return fcntl(fd, F_SETFD, FD_CLOEXEC);
+}
+
 int ndelay_off(int fd)
 {
         return fcntl(fd, F_SETFL, fcntl(fd,F_GETFL) & ~O_NONBLOCK);