1 files changed, 25 insertions, 0 deletions
diff --git a/src/sysdeps/trycmsgcloexec.c b/src/sysdeps/trycmsgcloexec.c
new file mode 100644
index 0000000..7923340
--- /dev/null
+++ b/src/sysdeps/trycmsgcloexec.c
@@ -0,0 +1,25 @@
+/* ISC license. */
+
+#undef _POSIX_C_SOURCE
+#undef _XOPEN_SOURCE
+
+#ifndef _XPG4_2
+# define _XPG4_2
+#endif
+
+#ifndef _XPG_6
+# define _XPG6
+#endif
+
+#ifndef _GNU_SOURCE
+# define _GNU_SOURCE
+#endif
+
+#include <sys/types.h>
+#include <sys/socket.h>
+
+int main (void)
+{
+  int flag = MSG_CMSG_CLOEXEC ;
+  return 0 ;
+}