[PATCH] ucm: use close_range on _GNU_SOURCE

[Jochen Sprickerhof <git@xxxxxxxxxxxxxxxxxxxxx>]

---
 src/ucm/ucm_exec.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/ucm/ucm_exec.c b/src/ucm/ucm_exec.c
index 276cf592..b79a84ae 100644
--- a/src/ucm/ucm_exec.c
+++ b/src/ucm/ucm_exec.c
@@ -254,8 +254,12 @@ int uc_mgr_exec(const char *prog)
 
 		close(f);
 
+#if defined(_GNU_SOURCE)
+		close_range(3, maxfd, 0);
+#else
 		for (f = 3; f < maxfd; f++)
 			close(f);
+#endif
 
 		/* install default handlers for the forked process */
 		signal(SIGINT, SIG_DFL);
-- 
2.50.0