Make sure we Enforce CLOEXEC on legacy builds in input_scan

Kernels are too old to support it via open flags, so use fcntl there.
NiLuJe · May 19, 2024 · 012dd73 · 012dd73
1 parent 68b87b5
commit 012dd73
Showing 1 changed file with 5 additions and 0 deletions.
diff --git a/fbink_input_scan.c b/fbink_input_scan.c
@@ -527,6 +527,11 @@ FBInkInputDevice*
 			free(namelist[i]);
 			continue;
 		}
+#	ifdef FBINK_FOR_LEGACY
+		// Enforce CLOEXEC the hard way on legacy devices with kernels too old to support it via open flags.
+		int fdflags = fcntl(dev->fd, F_GETFD);
+		fcntl(dev->fd, F_SETFD, fdflags | FD_CLOEXEC);
+#	endif
 
 		check_device(dev, match_types, exclude_types, settings);