[PATCH] resolv: Disable TCP servers in tst-resolv-res_init-failure

[Florian Weimer]

This avoids spurious xaccept errors on slow systems.

---
 resolv/tst-resolv-res_init-failure.c | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/resolv/tst-resolv-res_init-failure.c b/resolv/tst-resolv-res_init-failure.c
index d20348acf2..ae782c3f12 100644
--- a/resolv/tst-resolv-res_init-failure.c
+++ b/resolv/tst-resolv-res_init-failure.c
@@ -66,7 +66,20 @@ static int
 do_test (void)
 {
   struct resolv_test *aux = resolv_test_start
-    ((struct resolv_redirect_config) { .response_callback = response });
+    ((struct resolv_redirect_config)
+     {
+       .response_callback = response,
+       /* Disable TCP servers.  The kernel pre-allocates the client FD
+	  in the accept system call, leading to accept failures if
+	  setrlimit below completes before TCP accept setup on the TCP
+	  DNS server threads.  */
+       .servers =
+	 {
+	   { .disable_tcp = true, },
+	   { .disable_tcp = true, },
+	   { .disable_tcp = true, },
+	 },
+     });
 
   /* Initial lookup.  This drives __res_context_send through its init
      block, which allocates _u._ext.nsaddrs[] and sets

base-commit: 249639137ed360d1827d9e663261ba26d2b01d81