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-rw-r--r--resolv/res_libc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/resolv/res_libc.c b/resolv/res_libc.c
index 763a88725a..a700e9d9b6 100644
--- a/resolv/res_libc.c
+++ b/resolv/res_libc.c
@@ -72,7 +72,7 @@ res_init(void) {
 
 #if USE___THREAD
 /* With __thread support, this per-thread variable is used in all cases.  */
-__thread struct __res_state _res;
+__thread struct __res_state _res = { ._vcsock = -1 };
 extern __thread struct __res_state __libc_res __attribute__ ((alias ("_res")))
   attribute_hidden;
 # define _res __libc_res